diff options
Diffstat (limited to 'drivers/net/wireless/mediatek')
70 files changed, 14304 insertions, 1847 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/Kconfig b/drivers/net/wireless/mediatek/mt76/Kconfig index fc05d79c80d0..b6c5f17dca30 100644 --- a/drivers/net/wireless/mediatek/mt76/Kconfig +++ b/drivers/net/wireless/mediatek/mt76/Kconfig @@ -1,10 +1,37 @@ config MT76_CORE tristate +config MT76_USB + tristate + depends on MT76_CORE + +config MT76x2_COMMON + tristate + depends on MT76_CORE + +config MT76x0U + tristate "MediaTek MT76x0U (USB) support" + select MT76_CORE + depends on MAC80211 + depends on USB + help + This adds support for MT7610U-based wireless USB dongles. + config MT76x2E tristate "MediaTek MT76x2E (PCIe) support" select MT76_CORE + select MT76x2_COMMON depends on MAC80211 depends on PCI ---help--- This adds support for MT7612/MT7602/MT7662-based wireless PCIe devices. + +config MT76x2U + tristate "MediaTek MT76x2U (USB) support" + select MT76_CORE + select MT76_USB + select MT76x2_COMMON + depends on MAC80211 + depends on USB + help + This adds support for MT7612U-based wireless USB dongles. diff --git a/drivers/net/wireless/mediatek/mt76/Makefile b/drivers/net/wireless/mediatek/mt76/Makefile index a0156bc01dea..158d10d2716c 100644 --- a/drivers/net/wireless/mediatek/mt76/Makefile +++ b/drivers/net/wireless/mediatek/mt76/Makefile @@ -1,15 +1,31 @@ obj-$(CONFIG_MT76_CORE) += mt76.o +obj-$(CONFIG_MT76_USB) += mt76-usb.o +obj-$(CONFIG_MT76x0U) += mt76x0/ +obj-$(CONFIG_MT76x2_COMMON) += mt76x2-common.o obj-$(CONFIG_MT76x2E) += mt76x2e.o +obj-$(CONFIG_MT76x2U) += mt76x2u.o mt76-y := \ mmio.o util.o trace.o dma.o mac80211.o debugfs.o eeprom.o tx.o agg-rx.o +mt76-usb-y := usb.o usb_trace.o usb_mcu.o + CFLAGS_trace.o := -I$(src) +CFLAGS_usb_trace.o := -I$(src) + +mt76x2-common-y := \ + mt76x2_eeprom.o mt76x2_tx_common.o mt76x2_mac_common.o \ + mt76x2_init_common.o mt76x2_common.o mt76x2_phy_common.o \ + mt76x2_debugfs.o mt76x2e-y := \ mt76x2_pci.o mt76x2_dma.o \ - mt76x2_main.o mt76x2_init.o mt76x2_debugfs.o mt76x2_tx.o \ - mt76x2_core.o mt76x2_mac.o mt76x2_eeprom.o mt76x2_mcu.o mt76x2_phy.o \ + mt76x2_main.o mt76x2_init.o mt76x2_tx.o \ + mt76x2_core.o mt76x2_mac.o mt76x2_mcu.o mt76x2_phy.o \ mt76x2_dfs.o mt76x2_trace.o +mt76x2u-y := \ + mt76x2_usb.o mt76x2u_init.o mt76x2u_main.o mt76x2u_mac.o \ + mt76x2u_mcu.o mt76x2u_phy.o mt76x2u_core.o + CFLAGS_mt76x2_trace.o := -I$(src) diff --git a/drivers/net/wireless/mediatek/mt76/agg-rx.c b/drivers/net/wireless/mediatek/mt76/agg-rx.c index 1e8cdce919d9..73c8b2805c97 100644 --- a/drivers/net/wireless/mediatek/mt76/agg-rx.c +++ b/drivers/net/wireless/mediatek/mt76/agg-rx.c @@ -113,7 +113,7 @@ mt76_rx_aggr_reorder_work(struct work_struct *work) if (nframes) ieee80211_queue_delayed_work(tid->dev->hw, &tid->reorder_work, REORDER_TIMEOUT); - mt76_rx_complete(dev, &frames, -1); + mt76_rx_complete(dev, &frames, NULL); rcu_read_unlock(); local_bh_enable(); diff --git a/drivers/net/wireless/mediatek/mt76/dma.c b/drivers/net/wireless/mediatek/mt76/dma.c index 3dbedcedc2c4..c51da2205b93 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.c +++ b/drivers/net/wireless/mediatek/mt76/dma.c @@ -239,6 +239,80 @@ mt76_dma_kick_queue(struct mt76_dev *dev, struct mt76_queue *q) iowrite32(q->head, &q->regs->cpu_idx); } +int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_sta *sta) +{ + struct mt76_queue_entry e; + struct mt76_txwi_cache *t; + struct mt76_queue_buf buf[32]; + struct sk_buff *iter; + dma_addr_t addr; + int len; + u32 tx_info = 0; + int n, ret; + + t = mt76_get_txwi(dev); + if (!t) { + ieee80211_free_txskb(dev->hw, skb); + return -ENOMEM; + } + + dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi), + DMA_TO_DEVICE); + ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, q, wcid, sta, + &tx_info); + dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi), + DMA_TO_DEVICE); + if (ret < 0) + goto free; + + len = skb->len - skb->data_len; + addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE); + if (dma_mapping_error(dev->dev, addr)) { + ret = -ENOMEM; + goto free; + } + + n = 0; + buf[n].addr = t->dma_addr; + buf[n++].len = dev->drv->txwi_size; + buf[n].addr = addr; + buf[n++].len = len; + + skb_walk_frags(skb, iter) { + if (n == ARRAY_SIZE(buf)) + goto unmap; + + addr = dma_map_single(dev->dev, iter->data, iter->len, + DMA_TO_DEVICE); + if (dma_mapping_error(dev->dev, addr)) + goto unmap; + + buf[n].addr = addr; + buf[n++].len = iter->len; + } + + if (q->queued + (n + 1) / 2 >= q->ndesc - 1) + goto unmap; + + return dev->queue_ops->add_buf(dev, q, buf, n, tx_info, skb, t); + +unmap: + ret = -ENOMEM; + for (n--; n > 0; n--) + dma_unmap_single(dev->dev, buf[n].addr, buf[n].len, + DMA_TO_DEVICE); + +free: + e.skb = skb; + e.txwi = t; + dev->drv->tx_complete_skb(dev, q, &e, true); + mt76_put_txwi(dev, t); + return ret; +} +EXPORT_SYMBOL_GPL(mt76_dma_tx_queue_skb); + static int mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q, bool napi) { @@ -400,7 +474,7 @@ mt76_dma_rx_poll(struct napi_struct *napi, int budget) do { cur = mt76_dma_rx_process(dev, &dev->q_rx[qid], budget - done); - mt76_rx_poll_complete(dev, qid); + mt76_rx_poll_complete(dev, qid, napi); done += cur; } while (cur && done < budget); @@ -436,6 +510,7 @@ static const struct mt76_queue_ops mt76_dma_ops = { .init = mt76_dma_init, .alloc = mt76_dma_alloc_queue, .add_buf = mt76_dma_add_buf, + .tx_queue_skb = mt76_dma_tx_queue_skb, .tx_cleanup = mt76_dma_tx_cleanup, .rx_reset = mt76_dma_rx_reset, .kick = mt76_dma_kick_queue, diff --git a/drivers/net/wireless/mediatek/mt76/dma.h b/drivers/net/wireless/mediatek/mt76/dma.h index 1dad39697929..27248e24a19b 100644 --- a/drivers/net/wireless/mediatek/mt76/dma.h +++ b/drivers/net/wireless/mediatek/mt76/dma.h @@ -25,6 +25,39 @@ #define MT_DMA_CTL_LAST_SEC0 BIT(30) #define MT_DMA_CTL_DMA_DONE BIT(31) +#define MT_TXD_INFO_LEN GENMASK(15, 0) +#define MT_TXD_INFO_NEXT_VLD BIT(16) +#define MT_TXD_INFO_TX_BURST BIT(17) +#define MT_TXD_INFO_80211 BIT(19) +#define MT_TXD_INFO_TSO BIT(20) +#define MT_TXD_INFO_CSO BIT(21) +#define MT_TXD_INFO_WIV BIT(24) +#define MT_TXD_INFO_QSEL GENMASK(26, 25) +#define MT_TXD_INFO_DPORT GENMASK(29, 27) +#define MT_TXD_INFO_TYPE GENMASK(31, 30) + +#define MT_RX_FCE_INFO_LEN GENMASK(13, 0) +#define MT_RX_FCE_INFO_SELF_GEN BIT(15) +#define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16) +#define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20) +#define MT_RX_FCE_INFO_PCIE_INTR BIT(24) +#define MT_RX_FCE_INFO_QSEL GENMASK(26, 25) +#define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27) +#define MT_RX_FCE_INFO_TYPE GENMASK(31, 30) + +/* MCU request message header */ +#define MT_MCU_MSG_LEN GENMASK(15, 0) +#define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16) +#define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20) +#define MT_MCU_MSG_PORT GENMASK(29, 27) +#define MT_MCU_MSG_TYPE GENMASK(31, 30) +#define MT_MCU_MSG_TYPE_CMD BIT(30) + +#define MT_DMA_HDR_LEN 4 +#define MT_RX_INFO_LEN 4 +#define MT_FCE_INFO_LEN 4 +#define MT_RX_RXWI_LEN 32 + struct mt76_desc { __le32 buf0; __le32 ctrl; @@ -32,6 +65,16 @@ struct mt76_desc { __le32 info; } __packed __aligned(4); +enum dma_msg_port { + WLAN_PORT, + CPU_RX_PORT, + CPU_TX_PORT, + HOST_PORT, + VIRTUAL_CPU_RX_PORT, + VIRTUAL_CPU_TX_PORT, + DISCARD, +}; + int mt76_dma_attach(struct mt76_dev *dev); void mt76_dma_cleanup(struct mt76_dev *dev); diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index d62e34e7eadf..029d54bce9e8 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -303,14 +303,6 @@ int mt76_register_device(struct mt76_dev *dev, bool vht, SET_IEEE80211_DEV(hw, dev->dev); SET_IEEE80211_PERM_ADDR(hw, dev->macaddr); - wiphy->interface_modes = - BIT(NL80211_IFTYPE_STATION) | - BIT(NL80211_IFTYPE_AP) | -#ifdef CONFIG_MAC80211_MESH - BIT(NL80211_IFTYPE_MESH_POINT) | -#endif - BIT(NL80211_IFTYPE_ADHOC); - wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR; wiphy->available_antennas_tx = dev->antenna_mask; @@ -591,15 +583,11 @@ mt76_check_ps(struct mt76_dev *dev, struct sk_buff *skb) } void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames, - int queue) + struct napi_struct *napi) { - struct napi_struct *napi = NULL; struct ieee80211_sta *sta; struct sk_buff *skb; - if (queue >= 0) - napi = &dev->napi[queue]; - spin_lock(&dev->rx_lock); while ((skb = __skb_dequeue(frames)) != NULL) { if (mt76_check_ccmp_pn(skb)) { @@ -613,7 +601,8 @@ void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames, spin_unlock(&dev->rx_lock); } -void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q) +void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q, + struct napi_struct *napi) { struct sk_buff_head frames; struct sk_buff *skb; @@ -625,5 +614,6 @@ void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q) mt76_rx_aggr_reorder(skb, &frames); } - mt76_rx_complete(dev, &frames, q); + mt76_rx_complete(dev, &frames, napi); } +EXPORT_SYMBOL_GPL(mt76_rx_poll_complete); diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h index d2166fbf50ff..2eab35879163 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76.h +++ b/drivers/net/wireless/mediatek/mt76/mt76.h @@ -22,6 +22,7 @@ #include <linux/spinlock.h> #include <linux/skbuff.h> #include <linux/leds.h> +#include <linux/usb.h> #include <net/mac80211.h> #include "util.h" @@ -30,6 +31,7 @@ #define MT_RX_BUF_SIZE 2048 struct mt76_dev; +struct mt76_wcid; struct mt76_bus_ops { u32 (*rr)(struct mt76_dev *dev, u32 offset); @@ -62,12 +64,22 @@ struct mt76_queue_buf { int len; }; +struct mt76u_buf { + struct mt76_dev *dev; + struct urb *urb; + size_t len; + bool done; +}; + struct mt76_queue_entry { union { void *buf; struct sk_buff *skb; }; - struct mt76_txwi_cache *txwi; + union { + struct mt76_txwi_cache *txwi; + struct mt76u_buf ubuf; + }; bool schedule; }; @@ -88,6 +100,7 @@ struct mt76_queue { struct list_head swq; int swq_queued; + u16 first; u16 head; u16 tail; int ndesc; @@ -110,6 +123,10 @@ struct mt76_queue_ops { struct mt76_queue_buf *buf, int nbufs, u32 info, struct sk_buff *skb, void *txwi); + int (*tx_queue_skb)(struct mt76_dev *dev, struct mt76_queue *q, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_sta *sta); + void *(*dequeue)(struct mt76_dev *dev, struct mt76_queue *q, bool flush, int *len, u32 *info, bool *more); @@ -187,9 +204,13 @@ struct mt76_rx_tid { enum { MT76_STATE_INITIALIZED, MT76_STATE_RUNNING, + MT76_STATE_MCU_RUNNING, MT76_SCANNING, MT76_RESET, MT76_OFFCHANNEL, + MT76_REMOVED, + MT76_READING_STATS, + MT76_MORE_STATS, }; struct mt76_hw_cap { @@ -210,6 +231,8 @@ struct mt76_driver_ops { void (*tx_complete_skb)(struct mt76_dev *dev, struct mt76_queue *q, struct mt76_queue_entry *e, bool flush); + bool (*tx_status_data)(struct mt76_dev *dev, u8 *update); + void (*rx_skb)(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb); @@ -229,6 +252,64 @@ struct mt76_sband { struct mt76_channel_state *chan; }; +/* addr req mask */ +#define MT_VEND_TYPE_EEPROM BIT(31) +#define MT_VEND_TYPE_CFG BIT(30) +#define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG) + +#define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n)) +enum mt_vendor_req { + MT_VEND_DEV_MODE = 0x1, + MT_VEND_WRITE = 0x2, + MT_VEND_MULTI_WRITE = 0x6, + MT_VEND_MULTI_READ = 0x7, + MT_VEND_READ_EEPROM = 0x9, + MT_VEND_WRITE_FCE = 0x42, + MT_VEND_WRITE_CFG = 0x46, + MT_VEND_READ_CFG = 0x47, +}; + +enum mt76u_in_ep { + MT_EP_IN_PKT_RX, + MT_EP_IN_CMD_RESP, + __MT_EP_IN_MAX, +}; + +enum mt76u_out_ep { + MT_EP_OUT_INBAND_CMD, + MT_EP_OUT_AC_BK, + MT_EP_OUT_AC_BE, + MT_EP_OUT_AC_VI, + MT_EP_OUT_AC_VO, + MT_EP_OUT_HCCA, + __MT_EP_OUT_MAX, +}; + +#define MT_SG_MAX_SIZE 8 +#define MT_NUM_TX_ENTRIES 256 +#define MT_NUM_RX_ENTRIES 128 +#define MCU_RESP_URB_SIZE 1024 +struct mt76_usb { + struct mutex usb_ctrl_mtx; + u8 data[32]; + + struct tasklet_struct rx_tasklet; + struct tasklet_struct tx_tasklet; + struct delayed_work stat_work; + + u8 out_ep[__MT_EP_OUT_MAX]; + u16 out_max_packet; + u8 in_ep[__MT_EP_IN_MAX]; + u16 in_max_packet; + + struct mt76u_mcu { + struct mutex mutex; + struct completion cmpl; + struct mt76u_buf res; + u32 msg_seq; + } mcu; +}; + struct mt76_dev { struct ieee80211_hw *hw; struct cfg80211_chan_def chandef; @@ -271,6 +352,8 @@ struct mt76_dev { char led_name[32]; bool led_al; u8 led_pin; + + struct mt76_usb usb; }; enum mt76_phy_type { @@ -390,6 +473,26 @@ struct dentry *mt76_register_debugfs(struct mt76_dev *dev); int mt76_eeprom_init(struct mt76_dev *dev, int len); void mt76_eeprom_override(struct mt76_dev *dev); +/* increment with wrap-around */ +static inline int mt76_incr(int val, int size) +{ + return (val + 1) & (size - 1); +} + +/* decrement with wrap-around */ +static inline int mt76_decr(int val, int size) +{ + return (val - 1) & (size - 1); +} + +/* Hardware uses mirrored order of queues with Q3 + * having the highest priority + */ +static inline u8 q2hwq(u8 q) +{ + return q ^ 0x3; +} + static inline struct ieee80211_txq * mtxq_to_txq(struct mt76_txq *mtxq) { @@ -409,9 +512,9 @@ wcid_to_sta(struct mt76_wcid *wcid) return container_of(ptr, struct ieee80211_sta, drv_priv); } -int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, - struct sk_buff *skb, struct mt76_wcid *wcid, - struct ieee80211_sta *sta); +int mt76_dma_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_sta *sta); void mt76_rx(struct mt76_dev *dev, enum mt76_rxq_id q, struct sk_buff *skb); void mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta, @@ -442,10 +545,69 @@ void mt76_wcid_key_setup(struct mt76_dev *dev, struct mt76_wcid *wcid, /* internal */ void mt76_tx_free(struct mt76_dev *dev); +struct mt76_txwi_cache *mt76_get_txwi(struct mt76_dev *dev); void mt76_put_txwi(struct mt76_dev *dev, struct mt76_txwi_cache *t); void mt76_rx_complete(struct mt76_dev *dev, struct sk_buff_head *frames, - int queue); -void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q); + struct napi_struct *napi); +void mt76_rx_poll_complete(struct mt76_dev *dev, enum mt76_rxq_id q, + struct napi_struct *napi); void mt76_rx_aggr_reorder(struct sk_buff *skb, struct sk_buff_head *frames); +/* usb */ +static inline bool mt76u_urb_error(struct urb *urb) +{ + return urb->status && + urb->status != -ECONNRESET && + urb->status != -ESHUTDOWN && + urb->status != -ENOENT; +} + +/* Map hardware queues to usb endpoints */ +static inline u8 q2ep(u8 qid) +{ + /* TODO: take management packets to queue 5 */ + return qid + 1; +} + +static inline bool mt76u_check_sg(struct mt76_dev *dev) +{ + struct usb_interface *intf = to_usb_interface(dev->dev); + struct usb_device *udev = interface_to_usbdev(intf); + + return (udev->bus->sg_tablesize > 0 && + (udev->bus->no_sg_constraint || + udev->speed == USB_SPEED_WIRELESS)); +} + +int mt76u_vendor_request(struct mt76_dev *dev, u8 req, + u8 req_type, u16 val, u16 offset, + void *buf, size_t len); +void mt76u_single_wr(struct mt76_dev *dev, const u8 req, + const u16 offset, const u32 val); +u32 mt76u_rr(struct mt76_dev *dev, u32 addr); +void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val); +int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf); +void mt76u_deinit(struct mt76_dev *dev); +int mt76u_buf_alloc(struct mt76_dev *dev, struct mt76u_buf *buf, + int nsgs, int len, int sglen, gfp_t gfp); +void mt76u_buf_free(struct mt76u_buf *buf); +int mt76u_submit_buf(struct mt76_dev *dev, int dir, int index, + struct mt76u_buf *buf, gfp_t gfp, + usb_complete_t complete_fn, void *context); +int mt76u_submit_rx_buffers(struct mt76_dev *dev); +int mt76u_alloc_queues(struct mt76_dev *dev); +void mt76u_stop_queues(struct mt76_dev *dev); +void mt76u_stop_stat_wk(struct mt76_dev *dev); +void mt76u_queues_deinit(struct mt76_dev *dev); +int mt76u_skb_dma_info(struct sk_buff *skb, int port, u32 flags); + +int mt76u_mcu_fw_send_data(struct mt76_dev *dev, const void *data, + int data_len, u32 max_payload, u32 offset); +void mt76u_mcu_complete_urb(struct urb *urb); +struct sk_buff *mt76u_mcu_msg_alloc(const void *data, int len); +int mt76u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb, + int cmd, bool wait_resp); +void mt76u_mcu_fw_reset(struct mt76_dev *dev); +int mt76u_mcu_init_rx(struct mt76_dev *dev); + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile b/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile new file mode 100644 index 000000000000..7843908261ba --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/Makefile @@ -0,0 +1,7 @@ +obj-$(CONFIG_MT76x0U) += mt76x0.o + +mt76x0-objs = \ + usb.o init.o main.o mcu.o trace.o dma.o eeprom.o phy.o \ + mac.o util.o debugfs.o tx.o core.o +# ccflags-y := -DDEBUG +CFLAGS_trace.o := -I$(src) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/core.c b/drivers/net/wireless/mediatek/mt76/mt76x0/core.c new file mode 100644 index 000000000000..892803fce842 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/core.c @@ -0,0 +1,34 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" + +int mt76x0_wait_asic_ready(struct mt76x0_dev *dev) +{ + int i = 100; + u32 val; + + do { + if (test_bit(MT76_REMOVED, &dev->mt76.state)) + return -EIO; + + val = mt76_rr(dev, MT_MAC_CSR0); + if (val && ~val) + return 0; + + udelay(10); + } while (i--); + + return -EIO; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c new file mode 100644 index 000000000000..e7a77a886068 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/debugfs.c @@ -0,0 +1,166 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/debugfs.h> + +#include "mt76x0.h" +#include "eeprom.h" + +static int +mt76_reg_set(void *data, u64 val) +{ + struct mt76x0_dev *dev = data; + + mt76_wr(dev, dev->debugfs_reg, val); + return 0; +} + +static int +mt76_reg_get(void *data, u64 *val) +{ + struct mt76x0_dev *dev = data; + + *val = mt76_rr(dev, dev->debugfs_reg); + return 0; +} + +DEFINE_SIMPLE_ATTRIBUTE(fops_regval, mt76_reg_get, mt76_reg_set, "0x%08llx\n"); + +static int +mt76x0_ampdu_stat_read(struct seq_file *file, void *data) +{ + struct mt76x0_dev *dev = file->private; + int i, j; + +#define stat_printf(grp, off, name) \ + seq_printf(file, #name ":\t%llu\n", dev->stats.grp[off]) + + stat_printf(rx_stat, 0, rx_crc_err); + stat_printf(rx_stat, 1, rx_phy_err); + stat_printf(rx_stat, 2, rx_false_cca); + stat_printf(rx_stat, 3, rx_plcp_err); + stat_printf(rx_stat, 4, rx_fifo_overflow); + stat_printf(rx_stat, 5, rx_duplicate); + + stat_printf(tx_stat, 0, tx_fail_cnt); + stat_printf(tx_stat, 1, tx_bcn_cnt); + stat_printf(tx_stat, 2, tx_success); + stat_printf(tx_stat, 3, tx_retransmit); + stat_printf(tx_stat, 4, tx_zero_len); + stat_printf(tx_stat, 5, tx_underflow); + + stat_printf(aggr_stat, 0, non_aggr_tx); + stat_printf(aggr_stat, 1, aggr_tx); + + stat_printf(zero_len_del, 0, tx_zero_len_del); + stat_printf(zero_len_del, 1, rx_zero_len_del); +#undef stat_printf + + seq_puts(file, "Aggregations stats:\n"); + for (i = 0; i < 4; i++) { + for (j = 0; j < 8; j++) + seq_printf(file, "%08llx ", + dev->stats.aggr_n[i * 8 + j]); + seq_putc(file, '\n'); + } + + seq_printf(file, "recent average AMPDU len: %d\n", + atomic_read(&dev->avg_ampdu_len)); + + return 0; +} + +static int +mt76x0_ampdu_stat_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt76x0_ampdu_stat_read, inode->i_private); +} + +static const struct file_operations fops_ampdu_stat = { + .open = mt76x0_ampdu_stat_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int +mt76x0_eeprom_param_read(struct seq_file *file, void *data) +{ + struct mt76x0_dev *dev = file->private; + int i; + + seq_printf(file, "RF freq offset: %hhx\n", dev->ee->rf_freq_off); + seq_printf(file, "RSSI offset 2GHz: %hhx %hhx\n", + dev->ee->rssi_offset_2ghz[0], dev->ee->rssi_offset_2ghz[1]); + seq_printf(file, "RSSI offset 5GHz: %hhx %hhx %hhx\n", + dev->ee->rssi_offset_5ghz[0], dev->ee->rssi_offset_5ghz[1], + dev->ee->rssi_offset_5ghz[2]); + seq_printf(file, "Temperature offset: %hhx\n", dev->ee->temp_off); + seq_printf(file, "LNA gain 2Ghz: %hhx\n", dev->ee->lna_gain_2ghz); + seq_printf(file, "LNA gain 5Ghz: %hhx %hhx %hhx\n", + dev->ee->lna_gain_5ghz[0], dev->ee->lna_gain_5ghz[1], + dev->ee->lna_gain_5ghz[2]); + seq_printf(file, "Power Amplifier type %hhx\n", dev->ee->pa_type); + seq_printf(file, "Reg channels: %hhu-%hhu\n", dev->ee->reg.start, + dev->ee->reg.start + dev->ee->reg.num - 1); + + seq_puts(file, "Per channel power:\n"); + for (i = 0; i < 58; i++) + seq_printf(file, "\t%d chan:%d pwr:%d\n", i, i, + dev->ee->tx_pwr_per_chan[i]); + + seq_puts(file, "Per rate power 2GHz:\n"); + for (i = 0; i < 5; i++) + seq_printf(file, "\t %d bw20:%d bw40:%d\n", + i, dev->ee->tx_pwr_cfg_2g[i][0], + dev->ee->tx_pwr_cfg_5g[i][1]); + + seq_puts(file, "Per rate power 5GHz:\n"); + for (i = 0; i < 5; i++) + seq_printf(file, "\t %d bw20:%d bw40:%d\n", + i, dev->ee->tx_pwr_cfg_5g[i][0], + dev->ee->tx_pwr_cfg_5g[i][1]); + + return 0; +} + +static int +mt76x0_eeprom_param_open(struct inode *inode, struct file *f) +{ + return single_open(f, mt76x0_eeprom_param_read, inode->i_private); +} + +static const struct file_operations fops_eeprom_param = { + .open = mt76x0_eeprom_param_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void mt76x0_init_debugfs(struct mt76x0_dev *dev) +{ + struct dentry *dir; + + dir = debugfs_create_dir("mt76x0", dev->mt76.hw->wiphy->debugfsdir); + if (!dir) + return; + + debugfs_create_u32("regidx", S_IRUSR | S_IWUSR, dir, &dev->debugfs_reg); + debugfs_create_file("regval", S_IRUSR | S_IWUSR, dir, dev, + &fops_regval); + debugfs_create_file("ampdu_stat", S_IRUSR, dir, dev, &fops_ampdu_stat); + debugfs_create_file("eeprom_param", S_IRUSR, dir, dev, + &fops_eeprom_param); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/dma.c b/drivers/net/wireless/mediatek/mt76/mt76x0/dma.c new file mode 100644 index 000000000000..e2efb430419b --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/dma.c @@ -0,0 +1,522 @@ +/* + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" +#include "dma.h" +#include "usb.h" +#include "trace.h" + +static int mt76x0_submit_rx_buf(struct mt76x0_dev *dev, + struct mt76x0_dma_buf_rx *e, gfp_t gfp); + +static unsigned int ieee80211_get_hdrlen_from_buf(const u8 *data, unsigned len) +{ + const struct ieee80211_hdr *hdr = (const struct ieee80211_hdr *)data; + unsigned int hdrlen; + + if (unlikely(len < 10)) + return 0; + hdrlen = ieee80211_hdrlen(hdr->frame_control); + if (unlikely(hdrlen > len)) + return 0; + return hdrlen; +} + +static struct sk_buff * +mt76x0_rx_skb_from_seg(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi, + void *data, u32 seg_len, u32 truesize, struct page *p) +{ + struct sk_buff *skb; + u32 true_len, hdr_len = 0, copy, frag; + + skb = alloc_skb(p ? 128 : seg_len, GFP_ATOMIC); + if (!skb) + return NULL; + + true_len = mt76x0_mac_process_rx(dev, skb, data, rxwi); + if (!true_len || true_len > seg_len) + goto bad_frame; + + hdr_len = ieee80211_get_hdrlen_from_buf(data, true_len); + if (!hdr_len) + goto bad_frame; + + if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_L2PAD)) { + memcpy(skb_put(skb, hdr_len), data, hdr_len); + + data += hdr_len + 2; + true_len -= hdr_len; + hdr_len = 0; + } + + /* If not doing paged RX allocated skb will always have enough space */ + copy = (true_len <= skb_tailroom(skb)) ? true_len : hdr_len + 8; + frag = true_len - copy; + + memcpy(skb_put(skb, copy), data, copy); + data += copy; + + if (frag) { + skb_add_rx_frag(skb, 0, p, data - page_address(p), + frag, truesize); + get_page(p); + } + + return skb; + +bad_frame: + dev_err_ratelimited(dev->mt76.dev, "Error: incorrect frame len:%u hdr:%u\n", + true_len, hdr_len); + dev_kfree_skb(skb); + return NULL; +} + +static void mt76x0_rx_process_seg(struct mt76x0_dev *dev, u8 *data, + u32 seg_len, struct page *p) +{ + struct sk_buff *skb; + struct mt76x0_rxwi *rxwi; + u32 fce_info, truesize = seg_len; + + /* DMA_INFO field at the beginning of the segment contains only some of + * the information, we need to read the FCE descriptor from the end. + */ + fce_info = get_unaligned_le32(data + seg_len - MT_FCE_INFO_LEN); + seg_len -= MT_FCE_INFO_LEN; + + data += MT_DMA_HDR_LEN; + seg_len -= MT_DMA_HDR_LEN; + + rxwi = (struct mt76x0_rxwi *) data; + data += sizeof(struct mt76x0_rxwi); + seg_len -= sizeof(struct mt76x0_rxwi); + + if (unlikely(FIELD_GET(MT_RXD_INFO_TYPE, fce_info))) + dev_err_once(dev->mt76.dev, "Error: RX path seen a non-pkt urb\n"); + + trace_mt76x0_rx(&dev->mt76, rxwi, fce_info); + + skb = mt76x0_rx_skb_from_seg(dev, rxwi, data, seg_len, truesize, p); + if (!skb) + return; + + spin_lock(&dev->mac_lock); + ieee80211_rx(dev->mt76.hw, skb); + spin_unlock(&dev->mac_lock); +} + +static u16 mt76x0_rx_next_seg_len(u8 *data, u32 data_len) +{ + u32 min_seg_len = MT_DMA_HDR_LEN + MT_RX_INFO_LEN + + sizeof(struct mt76x0_rxwi) + MT_FCE_INFO_LEN; + u16 dma_len = get_unaligned_le16(data); + + if (data_len < min_seg_len || + WARN_ON(!dma_len) || + WARN_ON(dma_len + MT_DMA_HDRS > data_len) || + WARN_ON(dma_len & 0x3)) + return 0; + + return MT_DMA_HDRS + dma_len; +} + +static void +mt76x0_rx_process_entry(struct mt76x0_dev *dev, struct mt76x0_dma_buf_rx *e) +{ + u32 seg_len, data_len = e->urb->actual_length; + u8 *data = page_address(e->p); + struct page *new_p = NULL; + int cnt = 0; + + if (!test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state)) + return; + + /* Copy if there is very little data in the buffer. */ + if (data_len > 512) + new_p = dev_alloc_pages(MT_RX_ORDER); + + while ((seg_len = mt76x0_rx_next_seg_len(data, data_len))) { + mt76x0_rx_process_seg(dev, data, seg_len, new_p ? e->p : NULL); + + data_len -= seg_len; + data += seg_len; + cnt++; + } + + if (cnt > 1) + trace_mt76x0_rx_dma_aggr(&dev->mt76, cnt, !!new_p); + + if (new_p) { + /* we have one extra ref from the allocator */ + __free_pages(e->p, MT_RX_ORDER); + + e->p = new_p; + } +} + +static struct mt76x0_dma_buf_rx * +mt76x0_rx_get_pending_entry(struct mt76x0_dev *dev) +{ + struct mt76x0_rx_queue *q = &dev->rx_q; + struct mt76x0_dma_buf_rx *buf = NULL; + unsigned long flags; + + spin_lock_irqsave(&dev->rx_lock, flags); + + if (!q->pending) + goto out; + + buf = &q->e[q->start]; + q->pending--; + q->start = (q->start + 1) % q->entries; +out: + spin_unlock_irqrestore(&dev->rx_lock, flags); + + return buf; +} + +static void mt76x0_complete_rx(struct urb *urb) +{ + struct mt76x0_dev *dev = urb->context; + struct mt76x0_rx_queue *q = &dev->rx_q; + unsigned long flags; + + spin_lock_irqsave(&dev->rx_lock, flags); + + if (mt76x0_urb_has_error(urb)) + dev_err(dev->mt76.dev, "Error: RX urb failed:%d\n", urb->status); + if (WARN_ONCE(q->e[q->end].urb != urb, "RX urb mismatch")) + goto out; + + q->end = (q->end + 1) % q->entries; + q->pending++; + tasklet_schedule(&dev->rx_tasklet); +out: + spin_unlock_irqrestore(&dev->rx_lock, flags); +} + +static void mt76x0_rx_tasklet(unsigned long data) +{ + struct mt76x0_dev *dev = (struct mt76x0_dev *) data; + struct mt76x0_dma_buf_rx *e; + + while ((e = mt76x0_rx_get_pending_entry(dev))) { + if (e->urb->status) + continue; + + mt76x0_rx_process_entry(dev, e); + mt76x0_submit_rx_buf(dev, e, GFP_ATOMIC); + } +} + +static void mt76x0_complete_tx(struct urb *urb) +{ + struct mt76x0_tx_queue *q = urb->context; + struct mt76x0_dev *dev = q->dev; + struct sk_buff *skb; + unsigned long flags; + + spin_lock_irqsave(&dev->tx_lock, flags); + + if (mt76x0_urb_has_error(urb)) + dev_err(dev->mt76.dev, "Error: TX urb failed:%d\n", urb->status); + if (WARN_ONCE(q->e[q->start].urb != urb, "TX urb mismatch")) + goto out; + + skb = q->e[q->start].skb; + trace_mt76x0_tx_dma_done(&dev->mt76, skb); + + __skb_queue_tail(&dev->tx_skb_done, skb); + tasklet_schedule(&dev->tx_tasklet); + + if (q->used == q->entries - q->entries / 8) + ieee80211_wake_queue(dev->mt76.hw, skb_get_queue_mapping(skb)); + + q->start = (q->start + 1) % q->entries; + q->used--; +out: + spin_unlock_irqrestore(&dev->tx_lock, flags); +} + +static void mt76x0_tx_tasklet(unsigned long data) +{ + struct mt76x0_dev *dev = (struct mt76x0_dev *) data; + struct sk_buff_head skbs; + unsigned long flags; + + __skb_queue_head_init(&skbs); + + spin_lock_irqsave(&dev->tx_lock, flags); + + set_bit(MT76_MORE_STATS, &dev->mt76.state); + if (!test_and_set_bit(MT76_READING_STATS, &dev->mt76.state)) + queue_delayed_work(dev->stat_wq, &dev->stat_work, + msecs_to_jiffies(10)); + + skb_queue_splice_init(&dev->tx_skb_done, &skbs); + + spin_unlock_irqrestore(&dev->tx_lock, flags); + + while (!skb_queue_empty(&skbs)) { + struct sk_buff *skb = __skb_dequeue(&skbs); + + mt76x0_tx_status(dev, skb); + } +} + +static int mt76x0_dma_submit_tx(struct mt76x0_dev *dev, + struct sk_buff *skb, u8 ep) +{ + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + unsigned snd_pipe = usb_sndbulkpipe(usb_dev, dev->out_ep[ep]); + struct mt76x0_dma_buf_tx *e; + struct mt76x0_tx_queue *q = &dev->tx_q[ep]; + unsigned long flags; + int ret; + + spin_lock_irqsave(&dev->tx_lock, flags); + + if (WARN_ON_ONCE(q->entries <= q->used)) { + ret = -ENOSPC; + goto out; + } + + e = &q->e[q->end]; + e->skb = skb; + usb_fill_bulk_urb(e->urb, usb_dev, snd_pipe, skb->data, skb->len, + mt76x0_complete_tx, q); + ret = usb_submit_urb(e->urb, GFP_ATOMIC); + if (ret) { + /* Special-handle ENODEV from TX urb submission because it will + * often be the first ENODEV we see after device is removed. + */ + if (ret == -ENODEV) + set_bit(MT76_REMOVED, &dev->mt76.state); + else + dev_err(dev->mt76.dev, "Error: TX urb submit failed:%d\n", + ret); + goto out; + } + + q->end = (q->end + 1) % q->entries; + q->used++; + + if (q->used >= q->entries) + ieee80211_stop_queue(dev->mt76.hw, skb_get_queue_mapping(skb)); +out: + spin_unlock_irqrestore(&dev->tx_lock, flags); + + return ret; +} + +/* Map USB endpoint number to Q id in the DMA engine */ +static enum mt76_qsel ep2dmaq(u8 ep) +{ + if (ep == 5) + return MT_QSEL_MGMT; + return MT_QSEL_EDCA; +} + +int mt76x0_dma_enqueue_tx(struct mt76x0_dev *dev, struct sk_buff *skb, + struct mt76_wcid *wcid, int hw_q) +{ + u8 ep = q2ep(hw_q); + u32 dma_flags; + int ret; + + dma_flags = MT_TXD_PKT_INFO_80211; + if (wcid->hw_key_idx == 0xff) + dma_flags |= MT_TXD_PKT_INFO_WIV; + + ret = mt76x0_dma_skb_wrap_pkt(skb, ep2dmaq(ep), dma_flags); + if (ret) + return ret; + + ret = mt76x0_dma_submit_tx(dev, skb, ep); + + if (ret) { + ieee80211_free_txskb(dev->mt76.hw, skb); + return ret; + } + + return 0; +} + +static void mt76x0_kill_rx(struct mt76x0_dev *dev) +{ + int i; + unsigned long flags; + + spin_lock_irqsave(&dev->rx_lock, flags); + + for (i = 0; i < dev->rx_q.entries; i++) { + int next = dev->rx_q.end; + + spin_unlock_irqrestore(&dev->rx_lock, flags); + usb_poison_urb(dev->rx_q.e[next].urb); + spin_lock_irqsave(&dev->rx_lock, flags); + } + + spin_unlock_irqrestore(&dev->rx_lock, flags); +} + +static int mt76x0_submit_rx_buf(struct mt76x0_dev *dev, + struct mt76x0_dma_buf_rx *e, gfp_t gfp) +{ + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + u8 *buf = page_address(e->p); + unsigned pipe; + int ret; + + pipe = usb_rcvbulkpipe(usb_dev, dev->in_ep[MT_EP_IN_PKT_RX]); + + usb_fill_bulk_urb(e->urb, usb_dev, pipe, buf, MT_RX_URB_SIZE, + mt76x0_complete_rx, dev); + + trace_mt76x0_submit_urb(&dev->mt76, e->urb); + ret = usb_submit_urb(e->urb, gfp); + if (ret) + dev_err(dev->mt76.dev, "Error: submit RX URB failed:%d\n", ret); + + return ret; +} + +static int mt76x0_submit_rx(struct mt76x0_dev *dev) +{ + int i, ret; + + for (i = 0; i < dev->rx_q.entries; i++) { + ret = mt76x0_submit_rx_buf(dev, &dev->rx_q.e[i], GFP_KERNEL); + if (ret) + return ret; + } + + return 0; +} + +static void mt76x0_free_rx(struct mt76x0_dev *dev) +{ + int i; + + for (i = 0; i < dev->rx_q.entries; i++) { + __free_pages(dev->rx_q.e[i].p, MT_RX_ORDER); + usb_free_urb(dev->rx_q.e[i].urb); + } +} + +static int mt76x0_alloc_rx(struct mt76x0_dev *dev) +{ + int i; + + memset(&dev->rx_q, 0, sizeof(dev->rx_q)); + dev->rx_q.dev = dev; + dev->rx_q.entries = N_RX_ENTRIES; + + for (i = 0; i < N_RX_ENTRIES; i++) { + dev->rx_q.e[i].urb = usb_alloc_urb(0, GFP_KERNEL); + dev->rx_q.e[i].p = dev_alloc_pages(MT_RX_ORDER); + + if (!dev->rx_q.e[i].urb || !dev->rx_q.e[i].p) + return -ENOMEM; + } + + return 0; +} + +static void mt76x0_free_tx_queue(struct mt76x0_tx_queue *q) +{ + int i; + + WARN_ON(q->used); + + for (i = 0; i < q->entries; i++) { + usb_poison_urb(q->e[i].urb); + usb_free_urb(q->e[i].urb); + } +} + +static void mt76x0_free_tx(struct mt76x0_dev *dev) +{ + int i; + + for (i = 0; i < __MT_EP_OUT_MAX; i++) + mt76x0_free_tx_queue(&dev->tx_q[i]); +} + +static int mt76x0_alloc_tx_queue(struct mt76x0_dev *dev, + struct mt76x0_tx_queue *q) +{ + int i; + + q->dev = dev; + q->entries = N_TX_ENTRIES; + + for (i = 0; i < N_TX_ENTRIES; i++) { + q->e[i].urb = usb_alloc_urb(0, GFP_KERNEL); + if (!q->e[i].urb) + return -ENOMEM; + } + + return 0; +} + +static int mt76x0_alloc_tx(struct mt76x0_dev *dev) +{ + int i; + + dev->tx_q = devm_kcalloc(dev->mt76.dev, __MT_EP_OUT_MAX, + sizeof(*dev->tx_q), GFP_KERNEL); + + for (i = 0; i < __MT_EP_OUT_MAX; i++) + if (mt76x0_alloc_tx_queue(dev, &dev->tx_q[i])) + return -ENOMEM; + + return 0; +} + +int mt76x0_dma_init(struct mt76x0_dev *dev) +{ + int ret = -ENOMEM; + + tasklet_init(&dev->tx_tasklet, mt76x0_tx_tasklet, (unsigned long) dev); + tasklet_init(&dev->rx_tasklet, mt76x0_rx_tasklet, (unsigned long) dev); + + ret = mt76x0_alloc_tx(dev); + if (ret) + goto err; + ret = mt76x0_alloc_rx(dev); + if (ret) + goto err; + + ret = mt76x0_submit_rx(dev); + if (ret) + goto err; + + return 0; +err: + mt76x0_dma_cleanup(dev); + return ret; +} + +void mt76x0_dma_cleanup(struct mt76x0_dev *dev) +{ + mt76x0_kill_rx(dev); + + tasklet_kill(&dev->rx_tasklet); + + mt76x0_free_rx(dev); + mt76x0_free_tx(dev); + + tasklet_kill(&dev->tx_tasklet); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/dma.h b/drivers/net/wireless/mediatek/mt76/mt76x0/dma.h new file mode 100644 index 000000000000..891ce1c3461f --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/dma.h @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76X0U_DMA_H +#define __MT76X0U_DMA_H + +#include <asm/unaligned.h> +#include <linux/skbuff.h> + +#define MT_DMA_HDR_LEN 4 +#define MT_RX_INFO_LEN 4 +#define MT_FCE_INFO_LEN 4 +#define MT_DMA_HDRS (MT_DMA_HDR_LEN + MT_RX_INFO_LEN) + +/* Common Tx DMA descriptor fields */ +#define MT_TXD_INFO_LEN GENMASK(15, 0) +#define MT_TXD_INFO_D_PORT GENMASK(29, 27) +#define MT_TXD_INFO_TYPE GENMASK(31, 30) + +/* Tx DMA MCU command specific flags */ +#define MT_TXD_CMD_SEQ GENMASK(19, 16) +#define MT_TXD_CMD_TYPE GENMASK(26, 20) + +enum mt76_msg_port { + WLAN_PORT, + CPU_RX_PORT, + CPU_TX_PORT, + HOST_PORT, + VIRTUAL_CPU_RX_PORT, + VIRTUAL_CPU_TX_PORT, + DISCARD, +}; + +enum mt76_info_type { + DMA_PACKET, + DMA_COMMAND, +}; + +/* Tx DMA packet specific flags */ +#define MT_TXD_PKT_INFO_NEXT_VLD BIT(16) +#define MT_TXD_PKT_INFO_TX_BURST BIT(17) +#define MT_TXD_PKT_INFO_80211 BIT(19) +#define MT_TXD_PKT_INFO_TSO BIT(20) +#define MT_TXD_PKT_INFO_CSO BIT(21) +#define MT_TXD_PKT_INFO_WIV BIT(24) +#define MT_TXD_PKT_INFO_QSEL GENMASK(26, 25) + +enum mt76_qsel { + MT_QSEL_MGMT, + MT_QSEL_HCCA, + MT_QSEL_EDCA, + MT_QSEL_EDCA_2, +}; + + +static inline int mt76x0_dma_skb_wrap(struct sk_buff *skb, + enum mt76_msg_port d_port, + enum mt76_info_type type, u32 flags) +{ + u32 info; + + /* Buffer layout: + * | 4B | xfer len | pad | 4B | + * | TXINFO | pkt/cmd | zero pad to 4B | zero | + * + * length field of TXINFO should be set to 'xfer len'. + */ + + info = flags | + FIELD_PREP(MT_TXD_INFO_LEN, round_up(skb->len, 4)) | + FIELD_PREP(MT_TXD_INFO_D_PORT, d_port) | + FIELD_PREP(MT_TXD_INFO_TYPE, type); + + put_unaligned_le32(info, skb_push(skb, sizeof(info))); + return skb_put_padto(skb, round_up(skb->len, 4) + 4); +} + +static inline int +mt76x0_dma_skb_wrap_pkt(struct sk_buff *skb, enum mt76_qsel qsel, u32 flags) +{ + flags |= FIELD_PREP(MT_TXD_PKT_INFO_QSEL, qsel); + return mt76x0_dma_skb_wrap(skb, WLAN_PORT, DMA_PACKET, flags); +} + +/* Common Rx DMA descriptor fields */ +#define MT_RXD_INFO_LEN GENMASK(13, 0) +#define MT_RXD_INFO_PCIE_INTR BIT(24) +#define MT_RXD_INFO_QSEL GENMASK(26, 25) +#define MT_RXD_INFO_PORT GENMASK(29, 27) +#define MT_RXD_INFO_TYPE GENMASK(31, 30) + +/* Rx DMA packet specific flags */ +#define MT_RXD_PKT_INFO_UDP_ERR BIT(16) +#define MT_RXD_PKT_INFO_TCP_ERR BIT(17) +#define MT_RXD_PKT_INFO_IP_ERR BIT(18) +#define MT_RXD_PKT_INFO_PKT_80211 BIT(19) +#define MT_RXD_PKT_INFO_L3L4_DONE BIT(20) +#define MT_RXD_PKT_INFO_MAC_LEN GENMASK(23, 21) + +/* Rx DMA MCU command specific flags */ +#define MT_RXD_CMD_INFO_SELF_GEN BIT(15) +#define MT_RXD_CMD_INFO_CMD_SEQ GENMASK(19, 16) +#define MT_RXD_CMD_INFO_EVT_TYPE GENMASK(23, 20) + +enum mt76_evt_type { + CMD_DONE, + CMD_ERROR, + CMD_RETRY, + EVENT_PWR_RSP, + EVENT_WOW_RSP, + EVENT_CARRIER_DETECT_RSP, + EVENT_DFS_DETECT_RSP, +}; + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c new file mode 100644 index 000000000000..36da1e6bc21a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.c @@ -0,0 +1,445 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/of.h> +#include <linux/mtd/mtd.h> +#include <linux/mtd/partitions.h> +#include <linux/etherdevice.h> +#include <asm/unaligned.h> +#include "mt76x0.h" +#include "eeprom.h" + +static bool +field_valid(u8 val) +{ + return val != 0xff; +} + +static s8 +field_validate(u8 val) +{ + if (!field_valid(val)) + return 0; + + return val; +} + +static inline int +sign_extend(u32 val, unsigned int size) +{ + bool sign = val & BIT(size - 1); + + val &= BIT(size - 1) - 1; + + return sign ? val : -val; +} + +static int +mt76x0_efuse_read(struct mt76x0_dev *dev, u16 addr, u8 *data, + enum mt76x0_eeprom_access_modes mode) +{ + u32 val; + int i; + + val = mt76_rr(dev, MT_EFUSE_CTRL); + val &= ~(MT_EFUSE_CTRL_AIN | + MT_EFUSE_CTRL_MODE); + val |= FIELD_PREP(MT_EFUSE_CTRL_AIN, addr & ~0xf) | + FIELD_PREP(MT_EFUSE_CTRL_MODE, mode) | + MT_EFUSE_CTRL_KICK; + mt76_wr(dev, MT_EFUSE_CTRL, val); + + if (!mt76_poll(dev, MT_EFUSE_CTRL, MT_EFUSE_CTRL_KICK, 0, 1000)) + return -ETIMEDOUT; + + val = mt76_rr(dev, MT_EFUSE_CTRL); + if ((val & MT_EFUSE_CTRL_AOUT) == MT_EFUSE_CTRL_AOUT) { + /* Parts of eeprom not in the usage map (0x80-0xc0,0xf0) + * will not return valid data but it's ok. + */ + memset(data, 0xff, 16); + return 0; + } + + for (i = 0; i < 4; i++) { + val = mt76_rr(dev, MT_EFUSE_DATA(i)); + put_unaligned_le32(val, data + 4 * i); + } + + return 0; +} + +#define MT_MAP_READS DIV_ROUND_UP(MT_EFUSE_USAGE_MAP_SIZE, 16) +static int +mt76x0_efuse_physical_size_check(struct mt76x0_dev *dev) +{ + u8 data[MT_MAP_READS * 16]; + int ret, i; + u32 start = 0, end = 0, cnt_free; + + for (i = 0; i < MT_MAP_READS; i++) { + ret = mt76x0_efuse_read(dev, MT_EE_USAGE_MAP_START + i * 16, + data + i * 16, MT_EE_PHYSICAL_READ); + if (ret) + return ret; + } + + for (i = 0; i < MT_EFUSE_USAGE_MAP_SIZE; i++) + if (!data[i]) { + if (!start) + start = MT_EE_USAGE_MAP_START + i; + end = MT_EE_USAGE_MAP_START + i; + } + cnt_free = end - start + 1; + + if (MT_EFUSE_USAGE_MAP_SIZE - cnt_free < 5) { + dev_err(dev->mt76.dev, "Error: your device needs default EEPROM file and this driver doesn't support it!\n"); + return -EINVAL; + } + + return 0; +} + +static void +mt76x0_set_chip_cap(struct mt76x0_dev *dev, u8 *eeprom) +{ + enum mt76x2_board_type { BOARD_TYPE_2GHZ = 1, BOARD_TYPE_5GHZ = 2 }; + u16 nic_conf0 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_0); + u16 nic_conf1 = get_unaligned_le16(eeprom + MT_EE_NIC_CONF_1); + + dev_dbg(dev->mt76.dev, "NIC_CONF0: %04x NIC_CONF1: %04x\n", nic_conf0, nic_conf1); + + switch (FIELD_GET(MT_EE_NIC_CONF_0_BOARD_TYPE, nic_conf0)) { + case BOARD_TYPE_5GHZ: + dev->ee->has_5ghz = true; + break; + case BOARD_TYPE_2GHZ: + dev->ee->has_2ghz = true; + break; + default: + dev->ee->has_2ghz = true; + dev->ee->has_5ghz = true; + break; + } + + dev_dbg(dev->mt76.dev, "Has 2GHZ %d 5GHZ %d\n", dev->ee->has_2ghz, dev->ee->has_5ghz); + + if (!field_valid(nic_conf1 & 0xff)) + nic_conf1 &= 0xff00; + + if (nic_conf1 & MT_EE_NIC_CONF_1_HW_RF_CTRL) + dev_err(dev->mt76.dev, + "Error: this driver does not support HW RF ctrl\n"); + + if (!field_valid(nic_conf0 >> 8)) + return; + + if (FIELD_GET(MT_EE_NIC_CONF_0_RX_PATH, nic_conf0) > 1 || + FIELD_GET(MT_EE_NIC_CONF_0_TX_PATH, nic_conf0) > 1) + dev_err(dev->mt76.dev, + "Error: device has more than 1 RX/TX stream!\n"); + + dev->ee->pa_type = FIELD_GET(MT_EE_NIC_CONF_0_PA_TYPE, nic_conf0); + dev_dbg(dev->mt76.dev, "PA Type %d\n", dev->ee->pa_type); +} + +static int +mt76x0_set_macaddr(struct mt76x0_dev *dev, const u8 *eeprom) +{ + const void *src = eeprom + MT_EE_MAC_ADDR; + + ether_addr_copy(dev->macaddr, src); + + if (!is_valid_ether_addr(dev->macaddr)) { + eth_random_addr(dev->macaddr); + dev_info(dev->mt76.dev, + "Invalid MAC address, using random address %pM\n", + dev->macaddr); + } + + mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(dev->macaddr)); + mt76_wr(dev, MT_MAC_ADDR_DW1, get_unaligned_le16(dev->macaddr + 4) | + FIELD_PREP(MT_MAC_ADDR_DW1_U2ME_MASK, 0xff)); + + return 0; +} + +static void +mt76x0_set_temp_offset(struct mt76x0_dev *dev, u8 *eeprom) +{ + u8 temp = eeprom[MT_EE_TEMP_OFFSET]; + + if (field_valid(temp)) + dev->ee->temp_off = sign_extend(temp, 8); + else + dev->ee->temp_off = -10; +} + +static void +mt76x0_set_country_reg(struct mt76x0_dev *dev, u8 *eeprom) +{ + /* Note: - region 31 is not valid for mt76x0 (see rtmp_init.c) + * - comments in rtmp_def.h are incorrect (see rt_channel.c) + */ + static const struct reg_channel_bounds chan_bounds[] = { + /* EEPROM country regions 0 - 7 */ + { 1, 11 }, { 1, 13 }, { 10, 2 }, { 10, 4 }, + { 14, 1 }, { 1, 14 }, { 3, 7 }, { 5, 9 }, + /* EEPROM country regions 32 - 33 */ + { 1, 11 }, { 1, 14 } + }; + u8 val = eeprom[MT_EE_COUNTRY_REGION_2GHZ]; + int idx = -1; + + dev_dbg(dev->mt76.dev, "REG 2GHZ %u REG 5GHZ %u\n", val, eeprom[MT_EE_COUNTRY_REGION_5GHZ]); + if (val < 8) + idx = val; + if (val > 31 && val < 33) + idx = val - 32 + 8; + + if (idx != -1) + dev_info(dev->mt76.dev, + "EEPROM country region %02hhx (channels %hhd-%hhd)\n", + val, chan_bounds[idx].start, + chan_bounds[idx].start + chan_bounds[idx].num - 1); + else + idx = 5; /* channels 1 - 14 */ + + dev->ee->reg = chan_bounds[idx]; + + /* TODO: country region 33 is special - phy should be set to B-mode + * before entering channel 14 (see sta/connect.c) + */ +} + +static void +mt76x0_set_rf_freq_off(struct mt76x0_dev *dev, u8 *eeprom) +{ + u8 comp; + + dev->ee->rf_freq_off = field_validate(eeprom[MT_EE_FREQ_OFFSET]); + comp = field_validate(eeprom[MT_EE_FREQ_OFFSET_COMPENSATION]); + + if (comp & BIT(7)) + dev->ee->rf_freq_off -= comp & 0x7f; + else + dev->ee->rf_freq_off += comp; +} + +static void +mt76x0_set_lna_gain(struct mt76x0_dev *dev, u8 *eeprom) +{ + u8 gain; + + dev->ee->lna_gain_2ghz = eeprom[MT_EE_LNA_GAIN_2GHZ]; + dev->ee->lna_gain_5ghz[0] = eeprom[MT_EE_LNA_GAIN_5GHZ_0]; + + gain = eeprom[MT_EE_LNA_GAIN_5GHZ_1]; + if (gain == 0xff || gain == 0) + dev->ee->lna_gain_5ghz[1] = dev->ee->lna_gain_5ghz[0]; + else + dev->ee->lna_gain_5ghz[1] = gain; + + gain = eeprom[MT_EE_LNA_GAIN_5GHZ_2]; + if (gain == 0xff || gain == 0) + dev->ee->lna_gain_5ghz[2] = dev->ee->lna_gain_5ghz[0]; + else + dev->ee->lna_gain_5ghz[2] = gain; +} + +static void +mt76x0_set_rssi_offset(struct mt76x0_dev *dev, u8 *eeprom) +{ + int i; + s8 *rssi_offset = dev->ee->rssi_offset_2ghz; + + for (i = 0; i < 2; i++) { + rssi_offset[i] = eeprom[MT_EE_RSSI_OFFSET + i]; + + if (rssi_offset[i] < -10 || rssi_offset[i] > 10) { + dev_warn(dev->mt76.dev, + "Warning: EEPROM RSSI is invalid %02hhx\n", + rssi_offset[i]); + rssi_offset[i] = 0; + } + } + + rssi_offset = dev->ee->rssi_offset_5ghz; + + for (i = 0; i < 3; i++) { + rssi_offset[i] = eeprom[MT_EE_RSSI_OFFSET_5GHZ + i]; + + if (rssi_offset[i] < -10 || rssi_offset[i] > 10) { + dev_warn(dev->mt76.dev, + "Warning: EEPROM RSSI is invalid %02hhx\n", + rssi_offset[i]); + rssi_offset[i] = 0; + } + } +} + +static u32 +calc_bw40_power_rate(u32 value, int delta) +{ + u32 ret = 0; + int i, tmp; + + for (i = 0; i < 4; i++) { + tmp = s6_to_int((value >> i*8) & 0xff) + delta; + ret |= (u32)(int_to_s6(tmp)) << i*8; + } + + return ret; +} + +static s8 +get_delta(u8 val) +{ + s8 ret; + + if (!field_valid(val) || !(val & BIT(7))) + return 0; + + ret = val & 0x1f; + if (ret > 8) + ret = 8; + if (val & BIT(6)) + ret = -ret; + + return ret; +} + +static void +mt76x0_set_tx_power_per_rate(struct mt76x0_dev *dev, u8 *eeprom) +{ + s8 bw40_delta_2g, bw40_delta_5g; + u32 val; + int i; + + bw40_delta_2g = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40]); + bw40_delta_5g = get_delta(eeprom[MT_EE_TX_POWER_DELTA_BW40 + 1]); + + for (i = 0; i < 5; i++) { + val = get_unaligned_le32(eeprom + MT_EE_TX_POWER_BYRATE(i)); + + /* Skip last 16 bits. */ + if (i == 4) + val &= 0x0000ffff; + + dev->ee->tx_pwr_cfg_2g[i][0] = val; + dev->ee->tx_pwr_cfg_2g[i][1] = calc_bw40_power_rate(val, bw40_delta_2g); + } + + /* Reading per rate tx power for 5 GHz band is a bit more complex. Note + * we mix 16 bit and 32 bit reads and sometimes do shifts. + */ + val = get_unaligned_le16(eeprom + 0x120); + val <<= 16; + dev->ee->tx_pwr_cfg_5g[0][0] = val; + dev->ee->tx_pwr_cfg_5g[0][1] = calc_bw40_power_rate(val, bw40_delta_5g); + + val = get_unaligned_le32(eeprom + 0x122); + dev->ee->tx_pwr_cfg_5g[1][0] = val; + dev->ee->tx_pwr_cfg_5g[1][1] = calc_bw40_power_rate(val, bw40_delta_5g); + + val = get_unaligned_le16(eeprom + 0x126); + dev->ee->tx_pwr_cfg_5g[2][0] = val; + dev->ee->tx_pwr_cfg_5g[2][1] = calc_bw40_power_rate(val, bw40_delta_5g); + + val = get_unaligned_le16(eeprom + 0xec); + val <<= 16; + dev->ee->tx_pwr_cfg_5g[3][0] = val; + dev->ee->tx_pwr_cfg_5g[3][1] = calc_bw40_power_rate(val, bw40_delta_5g); + + val = get_unaligned_le16(eeprom + 0xee); + dev->ee->tx_pwr_cfg_5g[4][0] = val; + dev->ee->tx_pwr_cfg_5g[4][1] = calc_bw40_power_rate(val, bw40_delta_5g); +} + +static void +mt76x0_set_tx_power_per_chan(struct mt76x0_dev *dev, u8 *eeprom) +{ + int i; + u8 tx_pwr; + + for (i = 0; i < 14; i++) { + tx_pwr = eeprom[MT_EE_TX_POWER_OFFSET_2GHZ + i]; + if (tx_pwr <= 0x3f && tx_pwr > 0) + dev->ee->tx_pwr_per_chan[i] = tx_pwr; + else + dev->ee->tx_pwr_per_chan[i] = 5; + } + + for (i = 0; i < 40; i++) { + tx_pwr = eeprom[MT_EE_TX_POWER_OFFSET_5GHZ + i]; + if (tx_pwr <= 0x3f && tx_pwr > 0) + dev->ee->tx_pwr_per_chan[14 + i] = tx_pwr; + else + dev->ee->tx_pwr_per_chan[14 + i] = 5; + } + + dev->ee->tx_pwr_per_chan[54] = dev->ee->tx_pwr_per_chan[22]; + dev->ee->tx_pwr_per_chan[55] = dev->ee->tx_pwr_per_chan[28]; + dev->ee->tx_pwr_per_chan[56] = dev->ee->tx_pwr_per_chan[34]; + dev->ee->tx_pwr_per_chan[57] = dev->ee->tx_pwr_per_chan[44]; +} + +int +mt76x0_eeprom_init(struct mt76x0_dev *dev) +{ + u8 *eeprom; + int i, ret; + + ret = mt76x0_efuse_physical_size_check(dev); + if (ret) + return ret; + + dev->ee = devm_kzalloc(dev->mt76.dev, sizeof(*dev->ee), GFP_KERNEL); + if (!dev->ee) + return -ENOMEM; + + eeprom = kmalloc(MT76X0_EEPROM_SIZE, GFP_KERNEL); + if (!eeprom) + return -ENOMEM; + + for (i = 0; i + 16 <= MT76X0_EEPROM_SIZE; i += 16) { + ret = mt76x0_efuse_read(dev, i, eeprom + i, MT_EE_READ); + if (ret) + goto out; + } + + if (eeprom[MT_EE_VERSION_EE] > MT76X0U_EE_MAX_VER) + dev_warn(dev->mt76.dev, + "Warning: unsupported EEPROM version %02hhx\n", + eeprom[MT_EE_VERSION_EE]); + dev_info(dev->mt76.dev, "EEPROM ver:%02hhx fae:%02hhx\n", + eeprom[MT_EE_VERSION_EE], eeprom[MT_EE_VERSION_FAE]); + + mt76x0_set_macaddr(dev, eeprom); + mt76x0_set_chip_cap(dev, eeprom); + mt76x0_set_country_reg(dev, eeprom); + mt76x0_set_rf_freq_off(dev, eeprom); + mt76x0_set_temp_offset(dev, eeprom); + mt76x0_set_lna_gain(dev, eeprom); + mt76x0_set_rssi_offset(dev, eeprom); + dev->chainmask = 0x0101; + + mt76x0_set_tx_power_per_rate(dev, eeprom); + mt76x0_set_tx_power_per_chan(dev, eeprom); + +out: + kfree(eeprom); + return ret; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h new file mode 100644 index 000000000000..e37b573aed7b --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/eeprom.h @@ -0,0 +1,149 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76X0U_EEPROM_H +#define __MT76X0U_EEPROM_H + +struct mt76x0_dev; + +#define MT76X0U_EE_MAX_VER 0x0c +#define MT76X0_EEPROM_SIZE 512 + +#define MT76X0U_DEFAULT_TX_POWER 6 + +enum mt76_eeprom_field { + MT_EE_CHIP_ID = 0x00, + MT_EE_VERSION_FAE = 0x02, + MT_EE_VERSION_EE = 0x03, + MT_EE_MAC_ADDR = 0x04, + MT_EE_NIC_CONF_0 = 0x34, + MT_EE_NIC_CONF_1 = 0x36, + MT_EE_COUNTRY_REGION_5GHZ = 0x38, + MT_EE_COUNTRY_REGION_2GHZ = 0x39, + MT_EE_FREQ_OFFSET = 0x3a, + MT_EE_NIC_CONF_2 = 0x42, + + MT_EE_LNA_GAIN_2GHZ = 0x44, + MT_EE_LNA_GAIN_5GHZ_0 = 0x45, + MT_EE_RSSI_OFFSET = 0x46, + MT_EE_RSSI_OFFSET_5GHZ = 0x4a, + MT_EE_LNA_GAIN_5GHZ_1 = 0x49, + MT_EE_LNA_GAIN_5GHZ_2 = 0x4d, + + MT_EE_TX_POWER_DELTA_BW40 = 0x50, + + MT_EE_TX_POWER_OFFSET_2GHZ = 0x52, + + MT_EE_TX_TSSI_SLOPE = 0x6e, + MT_EE_TX_TSSI_OFFSET_GROUP = 0x6f, + MT_EE_TX_TSSI_OFFSET = 0x76, + + MT_EE_TX_POWER_OFFSET_5GHZ = 0x78, + + MT_EE_TEMP_OFFSET = 0xd1, + MT_EE_FREQ_OFFSET_COMPENSATION = 0xdb, + MT_EE_TX_POWER_BYRATE_BASE = 0xde, + + MT_EE_TX_POWER_BYRATE_BASE_5GHZ = 0x120, + + MT_EE_USAGE_MAP_START = 0x1e0, + MT_EE_USAGE_MAP_END = 0x1fc, +}; + +#define MT_EE_NIC_CONF_0_RX_PATH GENMASK(3, 0) +#define MT_EE_NIC_CONF_0_TX_PATH GENMASK(7, 4) +#define MT_EE_NIC_CONF_0_PA_TYPE GENMASK(9, 8) +#define MT_EE_NIC_CONF_0_BOARD_TYPE GENMASK(13, 12) + +#define MT_EE_NIC_CONF_1_HW_RF_CTRL BIT(0) +#define MT_EE_NIC_CONF_1_TEMP_TX_ALC BIT(1) +#define MT_EE_NIC_CONF_1_LNA_EXT_2G BIT(2) +#define MT_EE_NIC_CONF_1_LNA_EXT_5G BIT(3) +#define MT_EE_NIC_CONF_1_TX_ALC_EN BIT(13) + +#define MT_EE_NIC_CONF_2_RX_STREAM GENMASK(3, 0) +#define MT_EE_NIC_CONF_2_TX_STREAM GENMASK(7, 4) +#define MT_EE_NIC_CONF_2_HW_ANTDIV BIT(8) +#define MT_EE_NIC_CONF_2_XTAL_OPTION GENMASK(10, 9) +#define MT_EE_NIC_CONF_2_TEMP_DISABLE BIT(11) +#define MT_EE_NIC_CONF_2_COEX_METHOD GENMASK(15, 13) + +#define MT_EE_TX_POWER_BYRATE(i) (MT_EE_TX_POWER_BYRATE_BASE + \ + (i) * 4) + +#define MT_EFUSE_USAGE_MAP_SIZE (MT_EE_USAGE_MAP_END - \ + MT_EE_USAGE_MAP_START + 1) + +enum mt76x0_eeprom_access_modes { + MT_EE_READ = 0, + MT_EE_PHYSICAL_READ = 1, +}; + +struct reg_channel_bounds { + u8 start; + u8 num; +}; + +struct mt76x0_eeprom_params { + u8 rf_freq_off; + s16 temp_off; + s8 rssi_offset_2ghz[2]; + s8 rssi_offset_5ghz[3]; + s8 lna_gain_2ghz; + s8 lna_gain_5ghz[3]; + u8 pa_type; + + /* TX_PWR_CFG_* values from EEPROM for 20 and 40 Mhz bandwidths. */ + u32 tx_pwr_cfg_2g[5][2]; + u32 tx_pwr_cfg_5g[5][2]; + + u8 tx_pwr_per_chan[58]; + + struct reg_channel_bounds reg; + + bool has_2ghz; + bool has_5ghz; +}; + +int mt76x0_eeprom_init(struct mt76x0_dev *dev); + +static inline u32 s6_validate(u32 reg) +{ + WARN_ON(reg & ~GENMASK(5, 0)); + return reg & GENMASK(5, 0); +} + +static inline int s6_to_int(u32 reg) +{ + int s6; + + s6 = s6_validate(reg); + if (s6 & BIT(5)) + s6 -= BIT(6); + + return s6; +} + +static inline u32 int_to_s6(int val) +{ + if (val < -0x20) + return 0x20; + if (val > 0x1f) + return 0x1f; + + return val & 0x3f; +} + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/init.c b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c new file mode 100644 index 000000000000..7cdb3e740522 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/init.c @@ -0,0 +1,720 @@ +/* + * (c) Copyright 2002-2010, Ralink Technology, Inc. + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" +#include "eeprom.h" +#include "trace.h" +#include "mcu.h" +#include "usb.h" + +#include "initvals.h" + +static void +mt76x0_set_wlan_state(struct mt76x0_dev *dev, u32 val, bool enable) +{ + int i; + + /* Note: we don't turn off WLAN_CLK because that makes the device + * not respond properly on the probe path. + * In case anyone (PSM?) wants to use this function we can + * bring the clock stuff back and fixup the probe path. + */ + + if (enable) + val |= (MT_WLAN_FUN_CTRL_WLAN_EN | + MT_WLAN_FUN_CTRL_WLAN_CLK_EN); + else + val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN); + + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + + if (!enable) + return; + + for (i = 200; i; i--) { + val = mt76_rr(dev, MT_CMB_CTRL); + + if (val & MT_CMB_CTRL_XTAL_RDY && val & MT_CMB_CTRL_PLL_LD) + break; + + udelay(20); + } + + /* Note: vendor driver tries to disable/enable wlan here and retry + * but the code which does it is so buggy it must have never + * triggered, so don't bother. + */ + if (!i) + dev_err(dev->mt76.dev, "Error: PLL and XTAL check failed!\n"); +} + +void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset) +{ + u32 val; + + mutex_lock(&dev->hw_atomic_mutex); + + val = mt76_rr(dev, MT_WLAN_FUN_CTRL); + + if (reset) { + val |= MT_WLAN_FUN_CTRL_GPIO_OUT_EN; + val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL; + + if (val & MT_WLAN_FUN_CTRL_WLAN_EN) { + val |= (MT_WLAN_FUN_CTRL_WLAN_RESET | + MT_WLAN_FUN_CTRL_WLAN_RESET_RF); + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + + val &= ~(MT_WLAN_FUN_CTRL_WLAN_RESET | + MT_WLAN_FUN_CTRL_WLAN_RESET_RF); + } + } + + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + + mt76x0_set_wlan_state(dev, val, enable); + + mutex_unlock(&dev->hw_atomic_mutex); +} + +static void mt76x0_reset_csr_bbp(struct mt76x0_dev *dev) +{ + u32 val; + + val = mt76_rr(dev, MT_PBF_SYS_CTRL); + val &= ~0x2000; + mt76_wr(dev, MT_PBF_SYS_CTRL, val); + + mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_RESET_CSR | + MT_MAC_SYS_CTRL_RESET_BBP); + + msleep(200); +} + +static void mt76x0_init_usb_dma(struct mt76x0_dev *dev) +{ + u32 val; + + val = mt76_rr(dev, MT_USB_DMA_CFG); + + val |= FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, MT_USB_AGGR_TIMEOUT) | + FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_LMT, MT_USB_AGGR_SIZE_LIMIT) | + MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN; + if (dev->in_max_packet == 512) + val |= MT_USB_DMA_CFG_RX_BULK_AGG_EN; + mt76_wr(dev, MT_USB_DMA_CFG, val); + + val = mt76_rr(dev, MT_COM_REG0); + if (val & 1) + dev_dbg(dev->mt76.dev, "MCU not ready\n"); + + val = mt76_rr(dev, MT_USB_DMA_CFG); + + val |= MT_USB_DMA_CFG_RX_DROP_OR_PADDING; + mt76_wr(dev, MT_USB_DMA_CFG, val); + val &= ~MT_USB_DMA_CFG_RX_DROP_OR_PADDING; + mt76_wr(dev, MT_USB_DMA_CFG, val); +} + +#define RANDOM_WRITE(dev, tab) \ + mt76x0_write_reg_pairs(dev, MT_MCU_MEMMAP_WLAN, tab, ARRAY_SIZE(tab)); + +static int mt76x0_init_bbp(struct mt76x0_dev *dev) +{ + int ret, i; + + ret = mt76x0_wait_bbp_ready(dev); + if (ret) + return ret; + + RANDOM_WRITE(dev, mt76x0_bbp_init_tab); + + for (i = 0; i < ARRAY_SIZE(mt76x0_bbp_switch_tab); i++) { + const struct mt76x0_bbp_switch_item *item = &mt76x0_bbp_switch_tab[i]; + const struct mt76_reg_pair *pair = &item->reg_pair; + + if (((RF_G_BAND | RF_BW_20) & item->bw_band) == (RF_G_BAND | RF_BW_20)) + mt76_wr(dev, pair->reg, pair->value); + } + + RANDOM_WRITE(dev, mt76x0_dcoc_tab); + + return 0; +} + +static void +mt76_init_beacon_offsets(struct mt76x0_dev *dev) +{ + u16 base = MT_BEACON_BASE; + u32 regs[4] = {}; + int i; + + for (i = 0; i < 16; i++) { + u16 addr = dev->beacon_offsets[i]; + + regs[i / 4] |= ((addr - base) / 64) << (8 * (i % 4)); + } + + for (i = 0; i < 4; i++) + mt76_wr(dev, MT_BCN_OFFSET(i), regs[i]); +} + +static void mt76x0_init_mac_registers(struct mt76x0_dev *dev) +{ + u32 reg; + + RANDOM_WRITE(dev, common_mac_reg_table); + + mt76_init_beacon_offsets(dev); + + /* Enable PBF and MAC clock SYS_CTRL[11:10] = 0x3 */ + RANDOM_WRITE(dev, mt76x0_mac_reg_table); + + /* Release BBP and MAC reset MAC_SYS_CTRL[1:0] = 0x0 */ + reg = mt76_rr(dev, MT_MAC_SYS_CTRL); + reg &= ~0x3; + mt76_wr(dev, MT_MAC_SYS_CTRL, reg); + + if (is_mt7610e(dev)) { + /* Disable COEX_EN */ + reg = mt76_rr(dev, MT_COEXCFG0); + reg &= 0xFFFFFFFE; + mt76_wr(dev, MT_COEXCFG0, reg); + } + + /* Set 0x141C[15:12]=0xF */ + reg = mt76_rr(dev, MT_EXT_CCA_CFG); + reg |= 0x0000F000; + mt76_wr(dev, MT_EXT_CCA_CFG, reg); + + mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN); + + /* + TxRing 9 is for Mgmt frame. + TxRing 8 is for In-band command frame. + WMM_RG0_TXQMA: This register setting is for FCE to define the rule of TxRing 9. + WMM_RG1_TXQMA: This register setting is for FCE to define the rule of TxRing 8. + */ + reg = mt76_rr(dev, MT_WMM_CTRL); + reg &= ~0x000003FF; + reg |= 0x00000201; + mt76_wr(dev, MT_WMM_CTRL, reg); + + /* TODO: Probably not needed */ + mt76_wr(dev, 0x7028, 0); + mt76_wr(dev, 0x7010, 0); + mt76_wr(dev, 0x7024, 0); + msleep(10); +} + +static int mt76x0_init_wcid_mem(struct mt76x0_dev *dev) +{ + u32 *vals; + int i, ret; + + vals = kmalloc(sizeof(*vals) * N_WCIDS * 2, GFP_KERNEL); + if (!vals) + return -ENOMEM; + + for (i = 0; i < N_WCIDS; i++) { + vals[i * 2] = 0xffffffff; + vals[i * 2 + 1] = 0x00ffffff; + } + + ret = mt76x0_burst_write_regs(dev, MT_WCID_ADDR_BASE, + vals, N_WCIDS * 2); + kfree(vals); + + return ret; +} + +static int mt76x0_init_key_mem(struct mt76x0_dev *dev) +{ + u32 vals[4] = {}; + + return mt76x0_burst_write_regs(dev, MT_SKEY_MODE_BASE_0, + vals, ARRAY_SIZE(vals)); +} + +static int mt76x0_init_wcid_attr_mem(struct mt76x0_dev *dev) +{ + u32 *vals; + int i, ret; + + vals = kmalloc(sizeof(*vals) * N_WCIDS * 2, GFP_KERNEL); + if (!vals) + return -ENOMEM; + + for (i = 0; i < N_WCIDS * 2; i++) + vals[i] = 1; + + ret = mt76x0_burst_write_regs(dev, MT_WCID_ATTR_BASE, + vals, N_WCIDS * 2); + kfree(vals); + + return ret; +} + +static void mt76x0_reset_counters(struct mt76x0_dev *dev) +{ + mt76_rr(dev, MT_RX_STA_CNT0); + mt76_rr(dev, MT_RX_STA_CNT1); + mt76_rr(dev, MT_RX_STA_CNT2); + mt76_rr(dev, MT_TX_STA_CNT0); + mt76_rr(dev, MT_TX_STA_CNT1); + mt76_rr(dev, MT_TX_STA_CNT2); +} + +int mt76x0_mac_start(struct mt76x0_dev *dev) +{ + mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX); + + if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY | + MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 200000)) + return -ETIMEDOUT; + + dev->rxfilter = MT_RX_FILTR_CFG_CRC_ERR | + MT_RX_FILTR_CFG_PHY_ERR | MT_RX_FILTR_CFG_PROMISC | + MT_RX_FILTR_CFG_VER_ERR | MT_RX_FILTR_CFG_DUP | + MT_RX_FILTR_CFG_CFACK | MT_RX_FILTR_CFG_CFEND | + MT_RX_FILTR_CFG_ACK | MT_RX_FILTR_CFG_CTS | + MT_RX_FILTR_CFG_RTS | MT_RX_FILTR_CFG_PSPOLL | + MT_RX_FILTR_CFG_BA | MT_RX_FILTR_CFG_CTRL_RSV; + mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); + + mt76_wr(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_ENABLE_TX | MT_MAC_SYS_CTRL_ENABLE_RX); + + if (!mt76_poll(dev, MT_WPDMA_GLO_CFG, MT_WPDMA_GLO_CFG_TX_DMA_BUSY | + MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 50)) + return -ETIMEDOUT; + + return 0; +} + +static void mt76x0_mac_stop_hw(struct mt76x0_dev *dev) +{ + int i, ok; + + if (test_bit(MT76_REMOVED, &dev->mt76.state)) + return; + + mt76_clear(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_TIMER_EN | + MT_BEACON_TIME_CFG_SYNC_MODE | MT_BEACON_TIME_CFG_TBTT_EN | + MT_BEACON_TIME_CFG_BEACON_TX); + + if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_TX_BUSY, 0, 1000)) + dev_warn(dev->mt76.dev, "Warning: TX DMA did not stop!\n"); + + /* Page count on TxQ */ + i = 200; + while (i-- && ((mt76_rr(dev, 0x0438) & 0xffffffff) || + (mt76_rr(dev, 0x0a30) & 0x000000ff) || + (mt76_rr(dev, 0x0a34) & 0x00ff00ff))) + msleep(10); + + if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_TX, 0, 1000)) + dev_warn(dev->mt76.dev, "Warning: MAC TX did not stop!\n"); + + mt76_clear(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_RX | + MT_MAC_SYS_CTRL_ENABLE_TX); + + /* Page count on RxQ */ + ok = 0; + i = 200; + while (i--) { + if (!(mt76_rr(dev, MT_RXQ_STA) & 0x00ff0000) && + !mt76_rr(dev, 0x0a30) && + !mt76_rr(dev, 0x0a34)) { + if (ok++ > 5) + break; + continue; + } + msleep(1); + } + + if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_RX, 0, 1000)) + dev_warn(dev->mt76.dev, "Warning: MAC RX did not stop!\n"); + + if (!mt76_poll(dev, MT_USB_DMA_CFG, MT_USB_DMA_CFG_RX_BUSY, 0, 1000)) + dev_warn(dev->mt76.dev, "Warning: RX DMA did not stop!\n"); +} + +void mt76x0_mac_stop(struct mt76x0_dev *dev) +{ + mt76x0_mac_stop_hw(dev); + flush_delayed_work(&dev->stat_work); + cancel_delayed_work_sync(&dev->stat_work); +} + +static void mt76x0_stop_hardware(struct mt76x0_dev *dev) +{ + mt76x0_chip_onoff(dev, false, false); +} + +int mt76x0_init_hardware(struct mt76x0_dev *dev) +{ + static const u16 beacon_offsets[16] = { + /* 512 byte per beacon */ + 0xc000, 0xc200, 0xc400, 0xc600, + 0xc800, 0xca00, 0xcc00, 0xce00, + 0xd000, 0xd200, 0xd400, 0xd600, + 0xd800, 0xda00, 0xdc00, 0xde00 + }; + int ret; + + dev->beacon_offsets = beacon_offsets; + + mt76x0_chip_onoff(dev, true, true); + + ret = mt76x0_wait_asic_ready(dev); + if (ret) + goto err; + ret = mt76x0_mcu_init(dev); + if (ret) + goto err; + + if (!mt76_poll_msec(dev, MT_WPDMA_GLO_CFG, + MT_WPDMA_GLO_CFG_TX_DMA_BUSY | + MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 100)) { + ret = -EIO; + goto err; + } + + /* Wait for ASIC ready after FW load. */ + ret = mt76x0_wait_asic_ready(dev); + if (ret) + goto err; + + mt76x0_reset_csr_bbp(dev); + mt76x0_init_usb_dma(dev); + + mt76_wr(dev, MT_HEADER_TRANS_CTRL_REG, 0x0); + mt76_wr(dev, MT_TSO_CTRL, 0x0); + + ret = mt76x0_mcu_cmd_init(dev); + if (ret) + goto err; + ret = mt76x0_dma_init(dev); + if (ret) + goto err_mcu; + + mt76x0_init_mac_registers(dev); + + if (!mt76_poll_msec(dev, MT_MAC_STATUS, + MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, 0, 1000)) { + ret = -EIO; + goto err_rx; + } + + ret = mt76x0_init_bbp(dev); + if (ret) + goto err_rx; + + ret = mt76x0_init_wcid_mem(dev); + if (ret) + goto err_rx; + ret = mt76x0_init_key_mem(dev); + if (ret) + goto err_rx; + ret = mt76x0_init_wcid_attr_mem(dev); + if (ret) + goto err_rx; + + mt76_clear(dev, MT_BEACON_TIME_CFG, (MT_BEACON_TIME_CFG_TIMER_EN | + MT_BEACON_TIME_CFG_SYNC_MODE | + MT_BEACON_TIME_CFG_TBTT_EN | + MT_BEACON_TIME_CFG_BEACON_TX)); + + mt76x0_reset_counters(dev); + + mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e); + + mt76_wr(dev, MT_TXOP_CTRL_CFG, + FIELD_PREP(MT_TXOP_TRUN_EN, 0x3f) | + FIELD_PREP(MT_TXOP_EXT_CCA_DLY, 0x58)); + + ret = mt76x0_eeprom_init(dev); + if (ret) + goto err_rx; + + mt76x0_phy_init(dev); + return 0; + +err_rx: + mt76x0_dma_cleanup(dev); +err_mcu: + mt76x0_mcu_cmd_deinit(dev); +err: + mt76x0_chip_onoff(dev, false, false); + return ret; +} + +void mt76x0_cleanup(struct mt76x0_dev *dev) +{ + if (!test_and_clear_bit(MT76_STATE_INITIALIZED, &dev->mt76.state)) + return; + + mt76x0_stop_hardware(dev); + mt76x0_dma_cleanup(dev); + mt76x0_mcu_cmd_deinit(dev); +} + +struct mt76x0_dev *mt76x0_alloc_device(struct device *pdev) +{ + struct ieee80211_hw *hw; + struct mt76x0_dev *dev; + + hw = ieee80211_alloc_hw(sizeof(*dev), &mt76x0_ops); + if (!hw) + return NULL; + + dev = hw->priv; + dev->mt76.dev = pdev; + dev->mt76.hw = hw; + mutex_init(&dev->usb_ctrl_mtx); + mutex_init(&dev->reg_atomic_mutex); + mutex_init(&dev->hw_atomic_mutex); + mutex_init(&dev->mutex); + spin_lock_init(&dev->tx_lock); + spin_lock_init(&dev->rx_lock); + spin_lock_init(&dev->mt76.lock); + spin_lock_init(&dev->mac_lock); + spin_lock_init(&dev->con_mon_lock); + atomic_set(&dev->avg_ampdu_len, 1); + skb_queue_head_init(&dev->tx_skb_done); + + dev->stat_wq = alloc_workqueue("mt76x0", WQ_UNBOUND, 0); + if (!dev->stat_wq) { + ieee80211_free_hw(hw); + return NULL; + } + + return dev; +} + +#define CHAN2G(_idx, _freq) { \ + .band = NL80211_BAND_2GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_idx), \ + .max_power = 30, \ +} + +static const struct ieee80211_channel mt76_channels_2ghz[] = { + CHAN2G(1, 2412), + CHAN2G(2, 2417), + CHAN2G(3, 2422), + CHAN2G(4, 2427), + CHAN2G(5, 2432), + CHAN2G(6, 2437), + CHAN2G(7, 2442), + CHAN2G(8, 2447), + CHAN2G(9, 2452), + CHAN2G(10, 2457), + CHAN2G(11, 2462), + CHAN2G(12, 2467), + CHAN2G(13, 2472), + CHAN2G(14, 2484), +}; + +#define CHAN5G(_idx, _freq) { \ + .band = NL80211_BAND_5GHZ, \ + .center_freq = (_freq), \ + .hw_value = (_idx), \ + .max_power = 30, \ +} + +static const struct ieee80211_channel mt76_channels_5ghz[] = { + CHAN5G(36, 5180), + CHAN5G(40, 5200), + CHAN5G(44, 5220), + CHAN5G(46, 5230), + CHAN5G(48, 5240), + CHAN5G(52, 5260), + CHAN5G(56, 5280), + CHAN5G(60, 5300), + CHAN5G(64, 5320), + + CHAN5G(100, 5500), + CHAN5G(104, 5520), + CHAN5G(108, 5540), + CHAN5G(112, 5560), + CHAN5G(116, 5580), + CHAN5G(120, 5600), + CHAN5G(124, 5620), + CHAN5G(128, 5640), + CHAN5G(132, 5660), + CHAN5G(136, 5680), + CHAN5G(140, 5700), +}; + +#define CCK_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ + .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \ + .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \ +} + +#define OFDM_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \ + .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \ +} + +static struct ieee80211_rate mt76_rates[] = { + CCK_RATE(0, 10), + CCK_RATE(1, 20), + CCK_RATE(2, 55), + CCK_RATE(3, 110), + OFDM_RATE(0, 60), + OFDM_RATE(1, 90), + OFDM_RATE(2, 120), + OFDM_RATE(3, 180), + OFDM_RATE(4, 240), + OFDM_RATE(5, 360), + OFDM_RATE(6, 480), + OFDM_RATE(7, 540), +}; + +static int +mt76_init_sband(struct mt76x0_dev *dev, struct ieee80211_supported_band *sband, + const struct ieee80211_channel *chan, int n_chan, + struct ieee80211_rate *rates, int n_rates) +{ + struct ieee80211_sta_ht_cap *ht_cap; + void *chanlist; + int size; + + size = n_chan * sizeof(*chan); + chanlist = devm_kmemdup(dev->mt76.dev, chan, size, GFP_KERNEL); + if (!chanlist) + return -ENOMEM; + + sband->channels = chanlist; + sband->n_channels = n_chan; + sband->bitrates = rates; + sband->n_bitrates = n_rates; + + ht_cap = &sband->ht_cap; + ht_cap->ht_supported = true; + ht_cap->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 | + IEEE80211_HT_CAP_GRN_FLD | + IEEE80211_HT_CAP_SGI_20 | + IEEE80211_HT_CAP_SGI_40 | + (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT); + + ht_cap->mcs.rx_mask[0] = 0xff; + ht_cap->mcs.rx_mask[4] = 0x1; + ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; + ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; + ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_2; + + return 0; +} + +static int +mt76_init_sband_2g(struct mt76x0_dev *dev) +{ + dev->mt76.hw->wiphy->bands[NL80211_BAND_2GHZ] = &dev->mt76.sband_2g.sband; + + WARN_ON(dev->ee->reg.start - 1 + dev->ee->reg.num > + ARRAY_SIZE(mt76_channels_2ghz)); + + + return mt76_init_sband(dev, &dev->mt76.sband_2g.sband, + mt76_channels_2ghz, ARRAY_SIZE(mt76_channels_2ghz), + mt76_rates, ARRAY_SIZE(mt76_rates)); +} + +static int +mt76_init_sband_5g(struct mt76x0_dev *dev) +{ + dev->mt76.hw->wiphy->bands[NL80211_BAND_5GHZ] = &dev->mt76.sband_5g.sband; + + return mt76_init_sband(dev, &dev->mt76.sband_5g.sband, + mt76_channels_5ghz, ARRAY_SIZE(mt76_channels_5ghz), + mt76_rates + 4, ARRAY_SIZE(mt76_rates) - 4); +} + + +int mt76x0_register_device(struct mt76x0_dev *dev) +{ + struct ieee80211_hw *hw = dev->mt76.hw; + struct wiphy *wiphy = hw->wiphy; + int ret; + + /* Reserve WCID 0 for mcast - thanks to this APs WCID will go to + * entry no. 1 like it does in the vendor driver. + */ + dev->wcid_mask[0] |= 1; + + /* init fake wcid for monitor interfaces */ + dev->mon_wcid = devm_kmalloc(dev->mt76.dev, sizeof(*dev->mon_wcid), + GFP_KERNEL); + if (!dev->mon_wcid) + return -ENOMEM; + dev->mon_wcid->idx = 0xff; + dev->mon_wcid->hw_key_idx = -1; + + SET_IEEE80211_DEV(hw, dev->mt76.dev); + + hw->queues = 4; + ieee80211_hw_set(hw, SIGNAL_DBM); + ieee80211_hw_set(hw, PS_NULLFUNC_STACK); + ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); + ieee80211_hw_set(hw, AMPDU_AGGREGATION); + ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); + hw->max_rates = 1; + hw->max_report_rates = 7; + hw->max_rate_tries = 1; + + hw->sta_data_size = sizeof(struct mt76_sta); + hw->vif_data_size = sizeof(struct mt76_vif); + + SET_IEEE80211_PERM_ADDR(hw, dev->macaddr); + + wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR; + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + + if (dev->ee->has_2ghz) { + ret = mt76_init_sband_2g(dev); + if (ret) + return ret; + } + + if (dev->ee->has_5ghz) { + ret = mt76_init_sband_5g(dev); + if (ret) + return ret; + } + + dev->mt76.chandef.chan = &dev->mt76.sband_2g.sband.channels[0]; + + INIT_DELAYED_WORK(&dev->mac_work, mt76x0_mac_work); + INIT_DELAYED_WORK(&dev->stat_work, mt76x0_tx_stat); + + ret = ieee80211_register_hw(hw); + if (ret) + return ret; + + mt76x0_init_debugfs(dev); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h b/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h new file mode 100644 index 000000000000..24afcfd94b4e --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/initvals.h @@ -0,0 +1,282 @@ +/* + * (c) Copyright 2002-2010, Ralink Technology, Inc. + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76X0U_INITVALS_H +#define __MT76X0U_INITVALS_H + +#include "phy.h" + +static const struct mt76_reg_pair common_mac_reg_table[] = { +#if 1 + {MT_BCN_OFFSET(0), 0xf8f0e8e0}, /* 0x3800(e0), 0x3A00(e8), 0x3C00(f0), 0x3E00(f8), 512B for each beacon */ + {MT_BCN_OFFSET(1), 0x6f77d0c8}, /* 0x3200(c8), 0x3400(d0), 0x1DC0(77), 0x1BC0(6f), 512B for each beacon */ +#endif + + {MT_LEGACY_BASIC_RATE, 0x0000013f}, /* Basic rate set bitmap*/ + {MT_HT_BASIC_RATE, 0x00008003}, /* Basic HT rate set , 20M, MCS=3, MM. Format is the same as in TXWI.*/ + {MT_MAC_SYS_CTRL, 0x00}, /* 0x1004, , default Disable RX*/ + {MT_RX_FILTR_CFG, 0x17f97}, /*0x1400 , RX filter control, */ + {MT_BKOFF_SLOT_CFG, 0x209}, /* default set short slot time, CC_DELAY_TIME should be 2 */ + /*{TX_SW_CFG0, 0x40a06}, Gary,2006-08-23 */ + {MT_TX_SW_CFG0, 0x0}, /* Gary,2008-05-21 for CWC test */ + {MT_TX_SW_CFG1, 0x80606}, /* Gary,2006-08-23 */ + {MT_TX_LINK_CFG, 0x1020}, /* Gary,2006-08-23 */ + /*{TX_TIMEOUT_CFG, 0x00182090}, CCK has some problem. So increase timieout value. 2006-10-09 MArvek RT*/ + {MT_TX_TIMEOUT_CFG, 0x000a2090}, /* CCK has some problem. So increase timieout value. 2006-10-09 MArvek RT , Modify for 2860E ,2007-08-01*/ + {MT_MAX_LEN_CFG, 0xa0fff | 0x00001000}, /* 0x3018, MAX frame length. Max PSDU = 16kbytes.*/ + {MT_LED_CFG, 0x7f031e46}, /* Gary, 2006-08-23*/ + + {MT_PBF_TX_MAX_PCNT, 0x1fbf1f1f /*0xbfbf3f1f*/}, + {MT_PBF_RX_MAX_PCNT, 0x9f}, + + /*{TX_RTY_CFG, 0x6bb80408}, Jan, 2006/11/16*/ +/* WMM_ACM_SUPPORT */ +/* {TX_RTY_CFG, 0x6bb80101}, sample*/ + {MT_TX_RETRY_CFG, 0x47d01f0f}, /* Jan, 2006/11/16, Set TxWI->ACK =0 in Probe Rsp Modify for 2860E ,2007-08-03*/ + + {MT_AUTO_RSP_CFG, 0x00000013}, /* Initial Auto_Responder, because QA will turn off Auto-Responder*/ + {MT_CCK_PROT_CFG, 0x05740003 /*0x01740003*/}, /* Initial Auto_Responder, because QA will turn off Auto-Responder. And RTS threshold is enabled. */ + {MT_OFDM_PROT_CFG, 0x05740003 /*0x01740003*/}, /* Initial Auto_Responder, because QA will turn off Auto-Responder. And RTS threshold is enabled. */ + {MT_PBF_CFG, 0xf40006}, /* Only enable Queue 2*/ + {MT_MM40_PROT_CFG, 0x3F44084}, /* Initial Auto_Responder, because QA will turn off Auto-Responder*/ + {MT_WPDMA_GLO_CFG, 0x00000030}, + {MT_GF20_PROT_CFG, 0x01744004}, /* set 19:18 --> Short NAV for MIMO PS*/ + {MT_GF40_PROT_CFG, 0x03F44084}, + {MT_MM20_PROT_CFG, 0x01744004}, + {MT_TXOP_CTRL_CFG, 0x0000583f, /*0x0000243f*/ /*0x000024bf*/}, /*Extension channel backoff.*/ + {MT_TX_RTS_CFG, 0x00092b20}, + + {MT_EXP_ACK_TIME, 0x002400ca}, /* default value */ + {MT_TXOP_HLDR_ET, 0x00000002}, + + /* Jerry comments 2008/01/16: we use SIFS = 10us in CCK defaultly, but it seems that 10us + is too small for INTEL 2200bg card, so in MBSS mode, the delta time between beacon0 + and beacon1 is SIFS (10us), so if INTEL 2200bg card connects to BSS0, the ping + will always lost. So we change the SIFS of CCK from 10us to 16us. */ + {MT_XIFS_TIME_CFG, 0x33a41010}, + {MT_PWR_PIN_CFG, 0x00000000}, +}; + +static const struct mt76_reg_pair mt76x0_mac_reg_table[] = { + /* {MT_IOCFG_6, 0xA0040080 }, */ + {MT_PBF_SYS_CTRL, 0x00080c00 }, + {MT_PBF_CFG, 0x77723c1f }, + {MT_FCE_PSE_CTRL, 0x00000001 }, + + {MT_AMPDU_MAX_LEN_20M1S, 0xBAA99887 }, + + /* Delay bb_tx_pe for proper tx_mcs_pwr update */ + {MT_TX_SW_CFG0, 0x00000601 }, + + /* Set rf_tx_pe deassert time to 1us by Chee's comment @MT7650_CR_setting_1018.xlsx */ + {MT_TX_SW_CFG1, 0x00040000 }, + {MT_TX_SW_CFG2, 0x00000000 }, + + /* disable Tx info report */ + {0xa44, 0x0000000 }, + + {MT_HEADER_TRANS_CTRL_REG, 0x0}, + {MT_TSO_CTRL, 0x0}, + + /* BB_PA_MODE_CFG0(0x1214) Keep default value @20120903 */ + {MT_BB_PA_MODE_CFG1, 0x00500055}, + + /* RF_PA_MODE_CFG0(0x121C) Keep default value @20120903 */ + {MT_RF_PA_MODE_CFG1, 0x00500055}, + + {MT_TX_ALC_CFG_0, 0x2F2F000C}, + {MT_TX0_BB_GAIN_ATTEN, 0x00000000}, /* set BBP atten gain = 0 */ + + {MT_TX_PWR_CFG_0, 0x3A3A3A3A}, + {MT_TX_PWR_CFG_1, 0x3A3A3A3A}, + {MT_TX_PWR_CFG_2, 0x3A3A3A3A}, + {MT_TX_PWR_CFG_3, 0x3A3A3A3A}, + {MT_TX_PWR_CFG_4, 0x3A3A3A3A}, + {MT_TX_PWR_CFG_7, 0x3A3A3A3A}, + {MT_TX_PWR_CFG_8, 0x3A}, + {MT_TX_PWR_CFG_9, 0x3A}, + /* Enable Tx length > 4095 byte */ + {0x150C, 0x00000002}, + + /* Disable bt_abort_tx_en(0x1238[21] = 0) which is not used at MT7650 */ + {0x1238, 0x001700C8}, + /* PMU_OCLEVEL<5:1> from default <5'b10010> to <5'b11011> for normal driver */ + /* {MT_LDO_CTRL_0, 0x00A647B6}, */ + + /* Default LDO_DIG supply 1.26V, change to 1.2V */ + {MT_LDO_CTRL_1, 0x6B006464 }, +/* + {MT_HT_BASIC_RATE, 0x00004003 }, + {MT_HT_CTRL_CFG, 0x000001FF }, +*/ +}; + + +static const struct mt76_reg_pair mt76x0_bbp_init_tab[] = { + {MT_BBP(CORE, 1), 0x00000002}, + {MT_BBP(CORE, 4), 0x00000000}, + {MT_BBP(CORE, 24), 0x00000000}, + {MT_BBP(CORE, 32), 0x4003000a}, + {MT_BBP(CORE, 42), 0x00000000}, + {MT_BBP(CORE, 44), 0x00000000}, + + {MT_BBP(IBI, 11), 0x00000080}, + + /* + 0x2300[5] Default Antenna: + 0 for WIFI main antenna + 1 for WIFI aux antenna + + */ + {MT_BBP(AGC, 0), 0x00021400}, + {MT_BBP(AGC, 1), 0x00000003}, + {MT_BBP(AGC, 2), 0x003A6464}, + {MT_BBP(AGC, 15), 0x88A28CB8}, + {MT_BBP(AGC, 22), 0x00001E21}, + {MT_BBP(AGC, 23), 0x0000272C}, + {MT_BBP(AGC, 24), 0x00002F3A}, + {MT_BBP(AGC, 25), 0x8000005A}, + {MT_BBP(AGC, 26), 0x007C2005}, + {MT_BBP(AGC, 34), 0x000A0C0C}, + {MT_BBP(AGC, 37), 0x2121262C}, + {MT_BBP(AGC, 41), 0x38383E45}, + {MT_BBP(AGC, 57), 0x00001010}, + {MT_BBP(AGC, 59), 0xBAA20E96}, + {MT_BBP(AGC, 63), 0x00000001}, + + {MT_BBP(TXC, 0), 0x00280403}, + {MT_BBP(TXC, 1), 0x00000000}, + + {MT_BBP(RXC, 1), 0x00000012}, + {MT_BBP(RXC, 2), 0x00000011}, + {MT_BBP(RXC, 3), 0x00000005}, + {MT_BBP(RXC, 4), 0x00000000}, + {MT_BBP(RXC, 5), 0xF977C4EC}, + {MT_BBP(RXC, 7), 0x00000090}, + + {MT_BBP(TXO, 8), 0x00000000}, + + {MT_BBP(TXBE, 0), 0x00000000}, + {MT_BBP(TXBE, 4), 0x00000004}, + {MT_BBP(TXBE, 6), 0x00000000}, + {MT_BBP(TXBE, 8), 0x00000014}, + {MT_BBP(TXBE, 9), 0x20000000}, + {MT_BBP(TXBE, 10), 0x00000000}, + {MT_BBP(TXBE, 12), 0x00000000}, + {MT_BBP(TXBE, 13), 0x00000000}, + {MT_BBP(TXBE, 14), 0x00000000}, + {MT_BBP(TXBE, 15), 0x00000000}, + {MT_BBP(TXBE, 16), 0x00000000}, + {MT_BBP(TXBE, 17), 0x00000000}, + + {MT_BBP(RXFE, 1), 0x00008800}, /* Add for E3 */ + {MT_BBP(RXFE, 3), 0x00000000}, + {MT_BBP(RXFE, 4), 0x00000000}, + + {MT_BBP(RXO, 13), 0x00000092}, + {MT_BBP(RXO, 14), 0x00060612}, + {MT_BBP(RXO, 15), 0xC8321B18}, + {MT_BBP(RXO, 16), 0x0000001E}, + {MT_BBP(RXO, 17), 0x00000000}, + {MT_BBP(RXO, 18), 0xCC00A993}, + {MT_BBP(RXO, 19), 0xB9CB9CB9}, + {MT_BBP(RXO, 20), 0x26c00057}, + {MT_BBP(RXO, 21), 0x00000001}, + {MT_BBP(RXO, 24), 0x00000006}, +}; + +static const struct mt76x0_bbp_switch_item mt76x0_bbp_switch_tab[] = { + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 8), 0x0E344EF0}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 8), 0x122C54F2}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 14), 0x310F2E39}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 14), 0x310F2A3F}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 32), 0x00003230}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 32), 0x0000181C}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 33), 0x00003240}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 33), 0x00003218}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 35), 0x11112016}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 35), 0x11112016}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(RXO, 28), 0x0000008A}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(RXO, 28), 0x0000008A}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 4), 0x1FEDA049}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 4), 0x1FECA054}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 6), 0x00000045}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 6), 0x0000000A}}, + + {RF_G_BAND | RF_BW_20, {MT_BBP(AGC, 12), 0x05052879}}, + {RF_G_BAND | RF_BW_40, {MT_BBP(AGC, 12), 0x050528F9}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 12), 0x050528F9}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 13), 0x35050004}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 13), 0x2C3A0406}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 27), 0x000000E1}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 27), 0x000000EC}}, + + {RF_G_BAND | RF_BW_20, {MT_BBP(AGC, 28), 0x00060806}}, + {RF_G_BAND | RF_BW_40, {MT_BBP(AGC, 28), 0x00050806}}, + {RF_A_BAND | RF_BW_40, {MT_BBP(AGC, 28), 0x00060801}}, + {RF_A_BAND | RF_BW_20 | RF_BW_80, {MT_BBP(AGC, 28), 0x00060806}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 31), 0x00000F23}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 31), 0x00000F13}}, + + {RF_G_BAND | RF_BW_20, {MT_BBP(AGC, 39), 0x2A2A3036}}, + {RF_G_BAND | RF_BW_40, {MT_BBP(AGC, 39), 0x2A2A2C36}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 39), 0x2A2A3036}}, + {RF_A_BAND | RF_BW_80, {MT_BBP(AGC, 39), 0x2A2A2A36}}, + + {RF_G_BAND | RF_BW_20, {MT_BBP(AGC, 43), 0x27273438}}, + {RF_G_BAND | RF_BW_40, {MT_BBP(AGC, 43), 0x27272D38}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 43), 0x27272B30}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 51), 0x17171C1C}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 51), 0xFFFFFFFF}}, + + {RF_G_BAND | RF_BW_20, {MT_BBP(AGC, 53), 0x26262A2F}}, + {RF_G_BAND | RF_BW_40, {MT_BBP(AGC, 53), 0x2626322F}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 53), 0xFFFFFFFF}}, + + {RF_G_BAND | RF_BW_20, {MT_BBP(AGC, 55), 0x40404E58}}, + {RF_G_BAND | RF_BW_40, {MT_BBP(AGC, 55), 0x40405858}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 55), 0xFFFFFFFF}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(AGC, 58), 0x00001010}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(AGC, 58), 0x00000000}}, + + {RF_G_BAND | RF_BW_20 | RF_BW_40, {MT_BBP(RXFE, 0), 0x3D5000E0}}, + {RF_A_BAND | RF_BW_20 | RF_BW_40 | RF_BW_80, {MT_BBP(RXFE, 0), 0x895000E0}}, +}; + +static const struct mt76_reg_pair mt76x0_dcoc_tab[] = { + {MT_BBP(CAL, 47), 0x000010F0 }, + {MT_BBP(CAL, 48), 0x00008080 }, + {MT_BBP(CAL, 49), 0x00000F07 }, + {MT_BBP(CAL, 50), 0x00000040 }, + {MT_BBP(CAL, 51), 0x00000404 }, + {MT_BBP(CAL, 52), 0x00080803 }, + {MT_BBP(CAL, 53), 0x00000704 }, + {MT_BBP(CAL, 54), 0x00002828 }, + {MT_BBP(CAL, 55), 0x00005050 }, +}; + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/initvals_phy.h b/drivers/net/wireless/mediatek/mt76/mt76x0/initvals_phy.h new file mode 100644 index 000000000000..95d43efc1f3d --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/initvals_phy.h @@ -0,0 +1,772 @@ +/* + * (c) Copyright 2002-2010, Ralink Technology, Inc. + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76X0U_PHY_INITVALS_H +#define __MT76X0U_PHY_INITVALS_H + +#define RF_REG_PAIR(bank, reg, value) \ + { (bank) << 16 | (reg), value } + + +static const struct mt76_reg_pair mt76x0_rf_central_tab[] = { +/* + Bank 0 - For central blocks: BG, PLL, XTAL, LO, ADC/DAC +*/ + { MT_RF(0, 1), 0x01}, + { MT_RF(0, 2), 0x11}, + + /* + R3 ~ R7: VCO Cal. + */ + { MT_RF(0, 3), 0x73}, /* VCO Freq Cal - No Bypass, VCO Amp Cal - No Bypass */ + { MT_RF(0, 4), 0x30}, /* R4 b<7>=1, VCO cal */ + { MT_RF(0, 5), 0x00}, + { MT_RF(0, 6), 0x41}, /* Set the open loop amplitude to middle since bypassing amplitude calibration */ + { MT_RF(0, 7), 0x00}, + + /* + XO + */ + { MT_RF(0, 8), 0x00}, + { MT_RF(0, 9), 0x00}, + { MT_RF(0, 10), 0x0C}, + { MT_RF(0, 11), 0x00}, + { MT_RF(0, 12), 0x00}, + + /* + BG + */ + { MT_RF(0, 13), 0x00}, + { MT_RF(0, 14), 0x00}, + { MT_RF(0, 15), 0x00}, + + /* + LDO + */ + { MT_RF(0, 19), 0x20}, + /* + XO + */ + { MT_RF(0, 20), 0x22}, + { MT_RF(0, 21), 0x12}, + { MT_RF(0, 23), 0x00}, + { MT_RF(0, 24), 0x33}, /* See band selection for R24<1:0> */ + { MT_RF(0, 25), 0x00}, + + /* + PLL, See Freq Selection + */ + { MT_RF(0, 26), 0x00}, + { MT_RF(0, 27), 0x00}, + { MT_RF(0, 28), 0x00}, + { MT_RF(0, 29), 0x00}, + { MT_RF(0, 30), 0x00}, + { MT_RF(0, 31), 0x00}, + { MT_RF(0, 32), 0x00}, + { MT_RF(0, 33), 0x00}, + { MT_RF(0, 34), 0x00}, + { MT_RF(0, 35), 0x00}, + { MT_RF(0, 36), 0x00}, + { MT_RF(0, 37), 0x00}, + + /* + LO Buffer + */ + { MT_RF(0, 38), 0x2F}, + + /* + Test Ports + */ + { MT_RF(0, 64), 0x00}, + { MT_RF(0, 65), 0x80}, + { MT_RF(0, 66), 0x01}, + { MT_RF(0, 67), 0x04}, + + /* + ADC/DAC + */ + { MT_RF(0, 68), 0x00}, + { MT_RF(0, 69), 0x08}, + { MT_RF(0, 70), 0x08}, + { MT_RF(0, 71), 0x40}, + { MT_RF(0, 72), 0xD0}, + { MT_RF(0, 73), 0x93}, +}; + +static const struct mt76_reg_pair mt76x0_rf_2g_channel_0_tab[] = { +/* + Bank 5 - Channel 0 2G RF registers +*/ + /* + RX logic operation + */ + /* RF_R00 Change in SelectBand6590 */ + + { MT_RF(5, 2), 0x0C}, /* 5G+2G (MT7610U) */ + { MT_RF(5, 3), 0x00}, + + /* + TX logic operation + */ + { MT_RF(5, 4), 0x00}, + { MT_RF(5, 5), 0x84}, + { MT_RF(5, 6), 0x02}, + + /* + LDO + */ + { MT_RF(5, 7), 0x00}, + { MT_RF(5, 8), 0x00}, + { MT_RF(5, 9), 0x00}, + + /* + RX + */ + { MT_RF(5, 10), 0x51}, + { MT_RF(5, 11), 0x22}, + { MT_RF(5, 12), 0x22}, + { MT_RF(5, 13), 0x0F}, + { MT_RF(5, 14), 0x47}, /* Increase mixer current for more gain */ + { MT_RF(5, 15), 0x25}, + { MT_RF(5, 16), 0xC7}, /* Tune LNA2 tank */ + { MT_RF(5, 17), 0x00}, + { MT_RF(5, 18), 0x00}, + { MT_RF(5, 19), 0x30}, /* Improve max Pin */ + { MT_RF(5, 20), 0x33}, + { MT_RF(5, 21), 0x02}, + { MT_RF(5, 22), 0x32}, /* Tune LNA1 tank */ + { MT_RF(5, 23), 0x00}, + { MT_RF(5, 24), 0x25}, + { MT_RF(5, 26), 0x00}, + { MT_RF(5, 27), 0x12}, + { MT_RF(5, 28), 0x0F}, + { MT_RF(5, 29), 0x00}, + + /* + LOGEN + */ + { MT_RF(5, 30), 0x51}, /* Tune LOGEN tank */ + { MT_RF(5, 31), 0x35}, + { MT_RF(5, 32), 0x31}, + { MT_RF(5, 33), 0x31}, + { MT_RF(5, 34), 0x34}, + { MT_RF(5, 35), 0x03}, + { MT_RF(5, 36), 0x00}, + + /* + TX + */ + { MT_RF(5, 37), 0xDD}, /* Improve 3.2GHz spur */ + { MT_RF(5, 38), 0xB3}, + { MT_RF(5, 39), 0x33}, + { MT_RF(5, 40), 0xB1}, + { MT_RF(5, 41), 0x71}, + { MT_RF(5, 42), 0xF2}, + { MT_RF(5, 43), 0x47}, + { MT_RF(5, 44), 0x77}, + { MT_RF(5, 45), 0x0E}, + { MT_RF(5, 46), 0x10}, + { MT_RF(5, 47), 0x00}, + { MT_RF(5, 48), 0x53}, + { MT_RF(5, 49), 0x03}, + { MT_RF(5, 50), 0xEF}, + { MT_RF(5, 51), 0xC7}, + { MT_RF(5, 52), 0x62}, + { MT_RF(5, 53), 0x62}, + { MT_RF(5, 54), 0x00}, + { MT_RF(5, 55), 0x00}, + { MT_RF(5, 56), 0x0F}, + { MT_RF(5, 57), 0x0F}, + { MT_RF(5, 58), 0x16}, + { MT_RF(5, 59), 0x16}, + { MT_RF(5, 60), 0x10}, + { MT_RF(5, 61), 0x10}, + { MT_RF(5, 62), 0xD0}, + { MT_RF(5, 63), 0x6C}, + { MT_RF(5, 64), 0x58}, + { MT_RF(5, 65), 0x58}, + { MT_RF(5, 66), 0xF2}, + { MT_RF(5, 67), 0xE8}, + { MT_RF(5, 68), 0xF0}, + { MT_RF(5, 69), 0xF0}, + { MT_RF(5, 127), 0x04}, +}; + +static const struct mt76_reg_pair mt76x0_rf_5g_channel_0_tab[] = { +/* + Bank 6 - Channel 0 5G RF registers +*/ + /* + RX logic operation + */ + /* RF_R00 Change in SelectBandmt76x0 */ + + { MT_RF(6, 2), 0x0C}, + { MT_RF(6, 3), 0x00}, + + /* + TX logic operation + */ + { MT_RF(6, 4), 0x00}, + { MT_RF(6, 5), 0x84}, + { MT_RF(6, 6), 0x02}, + + /* + LDO + */ + { MT_RF(6, 7), 0x00}, + { MT_RF(6, 8), 0x00}, + { MT_RF(6, 9), 0x00}, + + /* + RX + */ + { MT_RF(6, 10), 0x00}, + { MT_RF(6, 11), 0x01}, + + { MT_RF(6, 13), 0x23}, + { MT_RF(6, 14), 0x00}, + { MT_RF(6, 15), 0x04}, + { MT_RF(6, 16), 0x22}, + + { MT_RF(6, 18), 0x08}, + { MT_RF(6, 19), 0x00}, + { MT_RF(6, 20), 0x00}, + { MT_RF(6, 21), 0x00}, + { MT_RF(6, 22), 0xFB}, + + /* + LOGEN5G + */ + { MT_RF(6, 25), 0x76}, + { MT_RF(6, 26), 0x24}, + { MT_RF(6, 27), 0x04}, + { MT_RF(6, 28), 0x00}, + { MT_RF(6, 29), 0x00}, + + /* + TX + */ + { MT_RF(6, 37), 0xBB}, + { MT_RF(6, 38), 0xB3}, + + { MT_RF(6, 40), 0x33}, + { MT_RF(6, 41), 0x33}, + + { MT_RF(6, 43), 0x03}, + { MT_RF(6, 44), 0xB3}, + + { MT_RF(6, 46), 0x17}, + { MT_RF(6, 47), 0x0E}, + { MT_RF(6, 48), 0x10}, + { MT_RF(6, 49), 0x07}, + + { MT_RF(6, 62), 0x00}, + { MT_RF(6, 63), 0x00}, + { MT_RF(6, 64), 0xF1}, + { MT_RF(6, 65), 0x0F}, +}; + +static const struct mt76_reg_pair mt76x0_rf_vga_channel_0_tab[] = { +/* + Bank 7 - Channel 0 VGA RF registers +*/ + /* E3 CR */ + { MT_RF(7, 0), 0x47}, /* Allow BBP/MAC to do calibration */ + { MT_RF(7, 1), 0x00}, + { MT_RF(7, 2), 0x00}, + { MT_RF(7, 3), 0x00}, + { MT_RF(7, 4), 0x00}, + + { MT_RF(7, 10), 0x13}, + { MT_RF(7, 11), 0x0F}, + { MT_RF(7, 12), 0x13}, /* For dcoc */ + { MT_RF(7, 13), 0x13}, /* For dcoc */ + { MT_RF(7, 14), 0x13}, /* For dcoc */ + { MT_RF(7, 15), 0x20}, /* For dcoc */ + { MT_RF(7, 16), 0x22}, /* For dcoc */ + + { MT_RF(7, 17), 0x7C}, + + { MT_RF(7, 18), 0x00}, + { MT_RF(7, 19), 0x00}, + { MT_RF(7, 20), 0x00}, + { MT_RF(7, 21), 0xF1}, + { MT_RF(7, 22), 0x11}, + { MT_RF(7, 23), 0xC2}, + { MT_RF(7, 24), 0x41}, + { MT_RF(7, 25), 0x20}, + { MT_RF(7, 26), 0x40}, + { MT_RF(7, 27), 0xD7}, + { MT_RF(7, 28), 0xA2}, + { MT_RF(7, 29), 0x60}, + { MT_RF(7, 30), 0x49}, + { MT_RF(7, 31), 0x20}, + { MT_RF(7, 32), 0x44}, + { MT_RF(7, 33), 0xC1}, + { MT_RF(7, 34), 0x60}, + { MT_RF(7, 35), 0xC0}, + + { MT_RF(7, 61), 0x01}, + + { MT_RF(7, 72), 0x3C}, + { MT_RF(7, 73), 0x34}, + { MT_RF(7, 74), 0x00}, +}; + +static const struct mt76x0_rf_switch_item mt76x0_rf_bw_switch_tab[] = { + /* Bank, Register, Bw/Band, Value */ + { MT_RF(0, 17), RF_G_BAND | RF_BW_20, 0x00}, + { MT_RF(0, 17), RF_G_BAND | RF_BW_40, 0x00}, + { MT_RF(0, 17), RF_A_BAND | RF_BW_20, 0x00}, + { MT_RF(0, 17), RF_A_BAND | RF_BW_40, 0x00}, + { MT_RF(0, 17), RF_A_BAND | RF_BW_80, 0x00}, + + /* TODO: need to check B7.R6 & B7.R7 setting for 2.4G again @20121112 */ + { MT_RF(7, 6), RF_G_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 6), RF_G_BAND | RF_BW_40, 0x1C}, + { MT_RF(7, 6), RF_A_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 6), RF_A_BAND | RF_BW_40, 0x20}, + { MT_RF(7, 6), RF_A_BAND | RF_BW_80, 0x10}, + + { MT_RF(7, 7), RF_G_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 7), RF_G_BAND | RF_BW_40, 0x20}, + { MT_RF(7, 7), RF_A_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 7), RF_A_BAND | RF_BW_40, 0x20}, + { MT_RF(7, 7), RF_A_BAND | RF_BW_80, 0x10}, + + { MT_RF(7, 8), RF_G_BAND | RF_BW_20, 0x03}, + { MT_RF(7, 8), RF_G_BAND | RF_BW_40, 0x01}, + { MT_RF(7, 8), RF_A_BAND | RF_BW_20, 0x03}, + { MT_RF(7, 8), RF_A_BAND | RF_BW_40, 0x01}, + { MT_RF(7, 8), RF_A_BAND | RF_BW_80, 0x00}, + + /* TODO: need to check B7.R58 & B7.R59 setting for 2.4G again @20121112 */ + { MT_RF(7, 58), RF_G_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 58), RF_G_BAND | RF_BW_40, 0x40}, + { MT_RF(7, 58), RF_A_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 58), RF_A_BAND | RF_BW_40, 0x40}, + { MT_RF(7, 58), RF_A_BAND | RF_BW_80, 0x10}, + + { MT_RF(7, 59), RF_G_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 59), RF_G_BAND | RF_BW_40, 0x40}, + { MT_RF(7, 59), RF_A_BAND | RF_BW_20, 0x40}, + { MT_RF(7, 59), RF_A_BAND | RF_BW_40, 0x40}, + { MT_RF(7, 59), RF_A_BAND | RF_BW_80, 0x10}, + + { MT_RF(7, 60), RF_G_BAND | RF_BW_20, 0xAA}, + { MT_RF(7, 60), RF_G_BAND | RF_BW_40, 0xAA}, + { MT_RF(7, 60), RF_A_BAND | RF_BW_20, 0xAA}, + { MT_RF(7, 60), RF_A_BAND | RF_BW_40, 0xAA}, + { MT_RF(7, 60), RF_A_BAND | RF_BW_80, 0xAA}, + + { MT_RF(7, 76), RF_BW_20, 0x40}, + { MT_RF(7, 76), RF_BW_40, 0x40}, + { MT_RF(7, 76), RF_BW_80, 0x10}, + + { MT_RF(7, 77), RF_BW_20, 0x40}, + { MT_RF(7, 77), RF_BW_40, 0x40}, + { MT_RF(7, 77), RF_BW_80, 0x10}, +}; + +static const struct mt76x0_rf_switch_item mt76x0_rf_band_switch_tab[] = { + /* Bank, Register, Bw/Band, Value */ + { MT_RF(0, 16), RF_G_BAND, 0x20}, + { MT_RF(0, 16), RF_A_BAND, 0x20}, + + { MT_RF(0, 18), RF_G_BAND, 0x00}, + { MT_RF(0, 18), RF_A_BAND, 0x00}, + + { MT_RF(0, 39), RF_G_BAND, 0x36}, + { MT_RF(0, 39), RF_A_BAND_LB, 0x34}, + { MT_RF(0, 39), RF_A_BAND_MB, 0x33}, + { MT_RF(0, 39), RF_A_BAND_HB, 0x31}, + { MT_RF(0, 39), RF_A_BAND_11J, 0x36}, + + { MT_RF(6, 12), RF_A_BAND_LB, 0x44}, + { MT_RF(6, 12), RF_A_BAND_MB, 0x44}, + { MT_RF(6, 12), RF_A_BAND_HB, 0x55}, + { MT_RF(6, 12), RF_A_BAND_11J, 0x44}, + + { MT_RF(6, 17), RF_A_BAND_LB, 0x02}, + { MT_RF(6, 17), RF_A_BAND_MB, 0x00}, + { MT_RF(6, 17), RF_A_BAND_HB, 0x00}, + { MT_RF(6, 17), RF_A_BAND_11J, 0x05}, + + { MT_RF(6, 24), RF_A_BAND_LB, 0xA1}, + { MT_RF(6, 24), RF_A_BAND_MB, 0x41}, + { MT_RF(6, 24), RF_A_BAND_HB, 0x21}, + { MT_RF(6, 24), RF_A_BAND_11J, 0xE1}, + + { MT_RF(6, 39), RF_A_BAND_LB, 0x36}, + { MT_RF(6, 39), RF_A_BAND_MB, 0x34}, + { MT_RF(6, 39), RF_A_BAND_HB, 0x32}, + { MT_RF(6, 39), RF_A_BAND_11J, 0x37}, + + { MT_RF(6, 42), RF_A_BAND_LB, 0xFB}, + { MT_RF(6, 42), RF_A_BAND_MB, 0xF3}, + { MT_RF(6, 42), RF_A_BAND_HB, 0xEB}, + { MT_RF(6, 42), RF_A_BAND_11J, 0xEB}, + + /* Move R6-R45, R50~R59 to mt76x0_RF_INT_PA_5G_Channel_0_RegTb/mt76x0_RF_EXT_PA_5G_Channel_0_RegTb */ + + { MT_RF(6, 127), RF_G_BAND, 0x84}, + { MT_RF(6, 127), RF_A_BAND, 0x04}, + + { MT_RF(7, 5), RF_G_BAND, 0x40}, + { MT_RF(7, 5), RF_A_BAND, 0x00}, + + { MT_RF(7, 9), RF_G_BAND, 0x00}, + { MT_RF(7, 9), RF_A_BAND, 0x00}, + + { MT_RF(7, 70), RF_G_BAND, 0x00}, + { MT_RF(7, 70), RF_A_BAND, 0x6D}, + + { MT_RF(7, 71), RF_G_BAND, 0x00}, + { MT_RF(7, 71), RF_A_BAND, 0xB0}, + + { MT_RF(7, 78), RF_G_BAND, 0x00}, + { MT_RF(7, 78), RF_A_BAND, 0x55}, + + { MT_RF(7, 79), RF_G_BAND, 0x00}, + { MT_RF(7, 79), RF_A_BAND, 0x55}, +}; + +static const struct mt76x0_freq_item mt76x0_frequency_plan[] = { + {1, RF_G_BAND, 0x02, 0x3F, 0x28, 0xDD, 0xE2, 0x40, 0x02, 0x40, 0x02, 0, 0, 1, 0x28, 0, 0x30, 0, 0, 0x3}, /* Freq 2412 */ + {2, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xE4, 0x40, 0x07, 0x40, 0x02, 0, 0, 1, 0xA1, 0, 0x30, 0, 0, 0x1}, /* Freq 2417 */ + {3, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xE2, 0x40, 0x07, 0x40, 0x0B, 0, 0, 1, 0x50, 0, 0x30, 0, 0, 0x0}, /* Freq 2422 */ + {4, RF_G_BAND, 0x02, 0x3F, 0x28, 0xDD, 0xD4, 0x40, 0x02, 0x40, 0x09, 0, 0, 1, 0x50, 0, 0x30, 0, 0, 0x0}, /* Freq 2427 */ + {5, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xD4, 0x40, 0x07, 0x40, 0x02, 0, 0, 1, 0xA2, 0, 0x30, 0, 0, 0x1}, /* Freq 2432 */ + {6, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xD4, 0x40, 0x07, 0x40, 0x07, 0, 0, 1, 0xA2, 0, 0x30, 0, 0, 0x1}, /* Freq 2437 */ + {7, RF_G_BAND, 0x02, 0x3F, 0x28, 0xDD, 0xE2, 0x40, 0x02, 0x40, 0x07, 0, 0, 1, 0x28, 0, 0x30, 0, 0, 0x3}, /* Freq 2442 */ + {8, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xD4, 0x40, 0x07, 0x40, 0x02, 0, 0, 1, 0xA3, 0, 0x30, 0, 0, 0x1}, /* Freq 2447 */ + {9, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xF2, 0x40, 0x07, 0x40, 0x0D, 0, 0, 1, 0x28, 0, 0x30, 0, 0, 0x3}, /* Freq 2452 */ + {10, RF_G_BAND, 0x02, 0x3F, 0x28, 0xDD, 0xD4, 0x40, 0x02, 0x40, 0x09, 0, 0, 1, 0x51, 0, 0x30, 0, 0, 0x0}, /* Freq 2457 */ + {11, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xD4, 0x40, 0x07, 0x40, 0x02, 0, 0, 1, 0xA4, 0, 0x30, 0, 0, 0x1}, /* Freq 2462 */ + {12, RF_G_BAND, 0x02, 0x3F, 0x3C, 0xDD, 0xD4, 0x40, 0x07, 0x40, 0x07, 0, 0, 1, 0xA4, 0, 0x30, 0, 0, 0x1}, /* Freq 2467 */ + {13, RF_G_BAND, 0x02, 0x3F, 0x28, 0xDD, 0xF2, 0x40, 0x02, 0x40, 0x02, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 2472 */ + {14, RF_G_BAND, 0x02, 0x3F, 0x28, 0xDD, 0xF2, 0x40, 0x02, 0x40, 0x04, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 2484 */ + + {183, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x70, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x17, 0, 0, 1, 0x28, 0, 0x30, 0, 0, 0x3}, /* Freq 4915 */ + {184, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x00, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4920 */ + {185, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x01, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4925 */ + {187, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x03, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4935 */ + {188, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x02, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4940 */ + {189, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x05, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4945 */ + {192, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x04, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4960 */ + {196, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x06, 0, 0, 1, 0x29, 0, 0x30, 0, 0, 0x3}, /* Freq 4980 */ + + {36, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x02, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5180 */ + {37, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x05, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5185 */ + {38, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x03, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5190 */ + {39, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x07, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5195 */ + {40, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x04, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5200 */ + {41, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x09, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5205 */ + {42, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x05, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5210 */ + {43, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0B, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5215 */ + {44, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x06, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5220 */ + {45, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0D, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5225 */ + {46, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x07, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5230 */ + {47, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0F, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5235 */ + {48, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x08, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5240 */ + {49, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x11, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5245 */ + {50, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x09, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5250 */ + {51, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x13, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5255 */ + {52, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x0A, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5260 */ + {53, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x15, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5265 */ + {54, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x0B, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5270 */ + {55, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x70, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x17, 0, 0, 1, 0x2B, 0, 0x30, 0, 0, 0x3}, /* Freq 5275 */ + {56, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x00, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5280 */ + {57, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x01, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5285 */ + {58, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x01, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5290 */ + {59, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x03, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5295 */ + {60, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x02, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5300 */ + {61, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x05, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5305 */ + {62, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x03, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5310 */ + {63, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x07, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5315 */ + {64, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x04, 0, 0, 1, 0x2C, 0, 0x30, 0, 0, 0x3}, /* Freq 5320 */ + + {100, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x0A, 0, 0, 1, 0x2D, 0, 0x30, 0, 0, 0x3}, /* Freq 5500 */ + {101, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x15, 0, 0, 1, 0x2D, 0, 0x30, 0, 0, 0x3}, /* Freq 5505 */ + {102, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x0B, 0, 0, 1, 0x2D, 0, 0x30, 0, 0, 0x3}, /* Freq 5510 */ + {103, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x70, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x17, 0, 0, 1, 0x2D, 0, 0x30, 0, 0, 0x3}, /* Freq 5515 */ + {104, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x00, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5520 */ + {105, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x01, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5525 */ + {106, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x01, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5530 */ + {107, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x03, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5535 */ + {108, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x02, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5540 */ + {109, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x05, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5545 */ + {110, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x03, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5550 */ + {111, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x07, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5555 */ + {112, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x04, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5560 */ + {113, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x09, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5565 */ + {114, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x05, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5570 */ + {115, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0B, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5575 */ + {116, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x06, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5580 */ + {117, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0D, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5585 */ + {118, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x07, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5590 */ + {119, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0F, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5595 */ + {120, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x08, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5600 */ + {121, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x11, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5605 */ + {122, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x09, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5610 */ + {123, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x13, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5615 */ + {124, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x0A, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5620 */ + {125, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x15, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5625 */ + {126, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x0B, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5630 */ + {127, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x70, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x17, 0, 0, 1, 0x2E, 0, 0x30, 0, 0, 0x3}, /* Freq 5635 */ + {128, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x00, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5640 */ + {129, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x01, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5645 */ + {130, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x01, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5650 */ + {131, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x03, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5655 */ + {132, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x02, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5660 */ + {133, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x05, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5665 */ + {134, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x03, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5670 */ + {135, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x07, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5675 */ + {136, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x04, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5680 */ + + {137, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x09, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5685 */ + {138, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x05, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5690 */ + {139, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0B, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5695 */ + {140, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x06, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5700 */ + {141, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0D, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5705 */ + {142, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x07, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5710 */ + {143, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0F, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5715 */ + {144, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x08, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5720 */ + {145, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x11, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5725 */ + {146, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x09, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5730 */ + {147, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x13, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5735 */ + {148, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x0A, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5740 */ + {149, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x15, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5745 */ + {150, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x0B, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5750 */ + {151, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x70, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x17, 0, 0, 1, 0x2F, 0, 0x30, 0, 0, 0x3}, /* Freq 5755 */ + {152, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x00, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5760 */ + {153, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x01, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5765 */ + {154, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x01, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5770 */ + {155, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x03, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5775 */ + {156, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x02, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5780 */ + {157, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x05, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5785 */ + {158, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x03, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5790 */ + {159, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x07, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5795 */ + {160, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x04, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5800 */ + {161, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x09, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5805 */ + {162, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x05, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5810 */ + {163, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0B, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5815 */ + {164, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x06, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5820 */ + {165, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0D, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5825 */ + {166, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0xDD, 0xD2, 0x40, 0x04, 0x40, 0x07, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5830 */ + {167, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x0F, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5835 */ + {168, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x08, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5840 */ + {169, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x11, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5845 */ + {170, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x09, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5850 */ + {171, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x13, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5855 */ + {172, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x30, 0x97, 0xD2, 0x40, 0x04, 0x40, 0x0A, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5860 */ + {173, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x68, 0xDD, 0xD2, 0x40, 0x10, 0x40, 0x15, 0, 0, 1, 0x30, 0, 0x30, 0, 0, 0x3}, /* Freq 5865 */ +}; + +static const struct mt76x0_freq_item mt76x0_sdm_frequency_plan[] = { + {1, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0xCCCC, 0x3}, /* Freq 2412 */ + {2, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x12222, 0x3}, /* Freq 2417 */ + {3, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x17777, 0x3}, /* Freq 2422 */ + {4, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x1CCCC, 0x3}, /* Freq 2427 */ + {5, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x22222, 0x3}, /* Freq 2432 */ + {6, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x27777, 0x3}, /* Freq 2437 */ + {7, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x2CCCC, 0x3}, /* Freq 2442 */ + {8, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x32222, 0x3}, /* Freq 2447 */ + {9, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x37777, 0x3}, /* Freq 2452 */ + {10, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x3CCCC, 0x3}, /* Freq 2457 */ + {11, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x2222, 0x3}, /* Freq 2462 */ + {12, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x7777, 0x3}, /* Freq 2467 */ + {13, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0xCCCC, 0x3}, /* Freq 2472 */ + {14, RF_G_BAND, 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x19999, 0x3}, /* Freq 2484 */ + + {183, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x28, 0, 0x0, 0x8, 0x3D555, 0x3}, /* Freq 4915 */ + {184, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x0, 0x3}, /* Freq 4920 */ + {185, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x2AAA, 0x3}, /* Freq 4925 */ + {187, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x8000, 0x3}, /* Freq 4935 */ + {188, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0xAAAA, 0x3}, /* Freq 4940 */ + {189, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0xD555, 0x3}, /* Freq 4945 */ + {192, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x15555, 0x3}, /* Freq 4960 */ + {196, (RF_A_BAND | RF_A_BAND_11J), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x29, 0, 0x0, 0x8, 0x20000, 0x3}, /* Freq 4980 */ + + {36, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0xAAAA, 0x3}, /* Freq 5180 */ + {37, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0xD555, 0x3}, /* Freq 5185 */ + {38, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x10000, 0x3}, /* Freq 5190 */ + {39, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x12AAA, 0x3}, /* Freq 5195 */ + {40, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x15555, 0x3}, /* Freq 5200 */ + {41, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x18000, 0x3}, /* Freq 5205 */ + {42, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x1AAAA, 0x3}, /* Freq 5210 */ + {43, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x1D555, 0x3}, /* Freq 5215 */ + {44, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x20000, 0x3}, /* Freq 5220 */ + {45, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x22AAA, 0x3}, /* Freq 5225 */ + {46, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x25555, 0x3}, /* Freq 5230 */ + {47, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x28000, 0x3}, /* Freq 5235 */ + {48, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x2AAAA, 0x3}, /* Freq 5240 */ + {49, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x2D555, 0x3}, /* Freq 5245 */ + {50, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x30000, 0x3}, /* Freq 5250 */ + {51, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x32AAA, 0x3}, /* Freq 5255 */ + {52, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x35555, 0x3}, /* Freq 5260 */ + {53, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x38000, 0x3}, /* Freq 5265 */ + {54, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x3AAAA, 0x3}, /* Freq 5270 */ + {55, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2B, 0, 0x0, 0x8, 0x3D555, 0x3}, /* Freq 5275 */ + {56, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x00000, 0x3}, /* Freq 5280 */ + {57, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x02AAA, 0x3}, /* Freq 5285 */ + {58, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x05555, 0x3}, /* Freq 5290 */ + {59, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x08000, 0x3}, /* Freq 5295 */ + {60, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x0AAAA, 0x3}, /* Freq 5300 */ + {61, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x0D555, 0x3}, /* Freq 5305 */ + {62, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x10000, 0x3}, /* Freq 5310 */ + {63, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x12AAA, 0x3}, /* Freq 5315 */ + {64, (RF_A_BAND | RF_A_BAND_LB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2C, 0, 0x0, 0x8, 0x15555, 0x3}, /* Freq 5320 */ + + {100, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2D, 0, 0x0, 0x8, 0x35555, 0x3}, /* Freq 5500 */ + {101, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2D, 0, 0x0, 0x8, 0x38000, 0x3}, /* Freq 5505 */ + {102, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2D, 0, 0x0, 0x8, 0x3AAAA, 0x3}, /* Freq 5510 */ + {103, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2D, 0, 0x0, 0x8, 0x3D555, 0x3}, /* Freq 5515 */ + {104, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x00000, 0x3}, /* Freq 5520 */ + {105, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x02AAA, 0x3}, /* Freq 5525 */ + {106, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x05555, 0x3}, /* Freq 5530 */ + {107, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x08000, 0x3}, /* Freq 5535 */ + {108, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x0AAAA, 0x3}, /* Freq 5540 */ + {109, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x0D555, 0x3}, /* Freq 5545 */ + {110, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x10000, 0x3}, /* Freq 5550 */ + {111, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x12AAA, 0x3}, /* Freq 5555 */ + {112, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x15555, 0x3}, /* Freq 5560 */ + {113, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x18000, 0x3}, /* Freq 5565 */ + {114, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x1AAAA, 0x3}, /* Freq 5570 */ + {115, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x1D555, 0x3}, /* Freq 5575 */ + {116, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x20000, 0x3}, /* Freq 5580 */ + {117, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x22AAA, 0x3}, /* Freq 5585 */ + {118, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x25555, 0x3}, /* Freq 5590 */ + {119, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x28000, 0x3}, /* Freq 5595 */ + {120, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x2AAAA, 0x3}, /* Freq 5600 */ + {121, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x2D555, 0x3}, /* Freq 5605 */ + {122, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x30000, 0x3}, /* Freq 5610 */ + {123, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x32AAA, 0x3}, /* Freq 5615 */ + {124, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x35555, 0x3}, /* Freq 5620 */ + {125, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x38000, 0x3}, /* Freq 5625 */ + {126, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x3AAAA, 0x3}, /* Freq 5630 */ + {127, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2E, 0, 0x0, 0x8, 0x3D555, 0x3}, /* Freq 5635 */ + {128, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x00000, 0x3}, /* Freq 5640 */ + {129, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x02AAA, 0x3}, /* Freq 5645 */ + {130, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x05555, 0x3}, /* Freq 5650 */ + {131, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x08000, 0x3}, /* Freq 5655 */ + {132, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x0AAAA, 0x3}, /* Freq 5660 */ + {133, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x0D555, 0x3}, /* Freq 5665 */ + {134, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x10000, 0x3}, /* Freq 5670 */ + {135, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x12AAA, 0x3}, /* Freq 5675 */ + {136, (RF_A_BAND | RF_A_BAND_MB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x15555, 0x3}, /* Freq 5680 */ + + {137, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x18000, 0x3}, /* Freq 5685 */ + {138, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x1AAAA, 0x3}, /* Freq 5690 */ + {139, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x1D555, 0x3}, /* Freq 5695 */ + {140, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x20000, 0x3}, /* Freq 5700 */ + {141, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x22AAA, 0x3}, /* Freq 5705 */ + {142, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x25555, 0x3}, /* Freq 5710 */ + {143, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x28000, 0x3}, /* Freq 5715 */ + {144, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x2AAAA, 0x3}, /* Freq 5720 */ + {145, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x2D555, 0x3}, /* Freq 5725 */ + {146, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x30000, 0x3}, /* Freq 5730 */ + {147, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x32AAA, 0x3}, /* Freq 5735 */ + {148, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x35555, 0x3}, /* Freq 5740 */ + {149, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x38000, 0x3}, /* Freq 5745 */ + {150, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x3AAAA, 0x3}, /* Freq 5750 */ + {151, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x2F, 0, 0x0, 0x8, 0x3D555, 0x3}, /* Freq 5755 */ + {152, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x00000, 0x3}, /* Freq 5760 */ + {153, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x02AAA, 0x3}, /* Freq 5765 */ + {154, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x05555, 0x3}, /* Freq 5770 */ + {155, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x08000, 0x3}, /* Freq 5775 */ + {156, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x0AAAA, 0x3}, /* Freq 5780 */ + {157, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x0D555, 0x3}, /* Freq 5785 */ + {158, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x10000, 0x3}, /* Freq 5790 */ + {159, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x12AAA, 0x3}, /* Freq 5795 */ + {160, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x15555, 0x3}, /* Freq 5800 */ + {161, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x18000, 0x3}, /* Freq 5805 */ + {162, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x1AAAA, 0x3}, /* Freq 5810 */ + {163, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x1D555, 0x3}, /* Freq 5815 */ + {164, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x20000, 0x3}, /* Freq 5820 */ + {165, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x22AAA, 0x3}, /* Freq 5825 */ + {166, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x25555, 0x3}, /* Freq 5830 */ + {167, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x28000, 0x3}, /* Freq 5835 */ + {168, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x2AAAA, 0x3}, /* Freq 5840 */ + {169, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x2D555, 0x3}, /* Freq 5845 */ + {170, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x30000, 0x3}, /* Freq 5850 */ + {171, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x32AAA, 0x3}, /* Freq 5855 */ + {172, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x35555, 0x3}, /* Freq 5860 */ + {173, (RF_A_BAND | RF_A_BAND_HB), 0x02, 0x3F, 0x7F, 0xDD, 0xC3, 0x40, 0x0, 0x80, 0x0, 0/*0 -> 1*/, 0, 0, 0x30, 0, 0x0, 0x8, 0x38000, 0x3}, /* Freq 5865 */ +}; + +static const u8 mt76x0_sdm_channel[] = { + 183, 185, 43, 45, 54, 55, 57, 58, 102, 103, 105, 106, 115, 117, 126, 127, 129, 130, 139, 141, 150, 151, 153, 154, 163, 165 +}; + +static const struct mt76x0_rf_switch_item mt76x0_rf_ext_pa_tab[] = { + { MT_RF(6, 45), RF_A_BAND_LB, 0x63}, + { MT_RF(6, 45), RF_A_BAND_MB, 0x43}, + { MT_RF(6, 45), RF_A_BAND_HB, 0x33}, + { MT_RF(6, 45), RF_A_BAND_11J, 0x73}, + + { MT_RF(6, 50), RF_A_BAND_LB, 0x02}, + { MT_RF(6, 50), RF_A_BAND_MB, 0x02}, + { MT_RF(6, 50), RF_A_BAND_HB, 0x02}, + { MT_RF(6, 50), RF_A_BAND_11J, 0x02}, + + { MT_RF(6, 51), RF_A_BAND_LB, 0x02}, + { MT_RF(6, 51), RF_A_BAND_MB, 0x02}, + { MT_RF(6, 51), RF_A_BAND_HB, 0x02}, + { MT_RF(6, 51), RF_A_BAND_11J, 0x02}, + + { MT_RF(6, 52), RF_A_BAND_LB, 0x08}, + { MT_RF(6, 52), RF_A_BAND_MB, 0x08}, + { MT_RF(6, 52), RF_A_BAND_HB, 0x08}, + { MT_RF(6, 52), RF_A_BAND_11J, 0x08}, + + { MT_RF(6, 53), RF_A_BAND_LB, 0x08}, + { MT_RF(6, 53), RF_A_BAND_MB, 0x08}, + { MT_RF(6, 53), RF_A_BAND_HB, 0x08}, + { MT_RF(6, 53), RF_A_BAND_11J, 0x08}, + + { MT_RF(6, 54), RF_A_BAND_LB, 0x0A}, + { MT_RF(6, 54), RF_A_BAND_MB, 0x0A}, + { MT_RF(6, 54), RF_A_BAND_HB, 0x0A}, + { MT_RF(6, 54), RF_A_BAND_11J, 0x0A}, + + { MT_RF(6, 55), RF_A_BAND_LB, 0x0A}, + { MT_RF(6, 55), RF_A_BAND_MB, 0x0A}, + { MT_RF(6, 55), RF_A_BAND_HB, 0x0A}, + { MT_RF(6, 55), RF_A_BAND_11J, 0x0A}, + + { MT_RF(6, 56), RF_A_BAND_LB, 0x05}, + { MT_RF(6, 56), RF_A_BAND_MB, 0x05}, + { MT_RF(6, 56), RF_A_BAND_HB, 0x05}, + { MT_RF(6, 56), RF_A_BAND_11J, 0x05}, + + { MT_RF(6, 57), RF_A_BAND_LB, 0x05}, + { MT_RF(6, 57), RF_A_BAND_MB, 0x05}, + { MT_RF(6, 57), RF_A_BAND_HB, 0x05}, + { MT_RF(6, 57), RF_A_BAND_11J, 0x05}, + + { MT_RF(6, 58), RF_A_BAND_LB, 0x05}, + { MT_RF(6, 58), RF_A_BAND_MB, 0x03}, + { MT_RF(6, 58), RF_A_BAND_HB, 0x02}, + { MT_RF(6, 58), RF_A_BAND_11J, 0x07}, + + { MT_RF(6, 59), RF_A_BAND_LB, 0x05}, + { MT_RF(6, 59), RF_A_BAND_MB, 0x03}, + { MT_RF(6, 59), RF_A_BAND_HB, 0x02}, + { MT_RF(6, 59), RF_A_BAND_11J, 0x07}, +}; + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mac.c b/drivers/net/wireless/mediatek/mt76/mt76x0/mac.c new file mode 100644 index 000000000000..91a84be36d3b --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mac.c @@ -0,0 +1,658 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" +#include "trace.h" +#include <linux/etherdevice.h> + +static void +mt76_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate, + enum nl80211_band band) +{ + u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate); + + txrate->idx = 0; + txrate->flags = 0; + txrate->count = 1; + + switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) { + case MT_PHY_TYPE_OFDM: + if (band == NL80211_BAND_2GHZ) + idx += 4; + + txrate->idx = idx; + return; + case MT_PHY_TYPE_CCK: + if (idx >= 8) + idx -= 8; + + txrate->idx = idx; + return; + case MT_PHY_TYPE_HT_GF: + txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD; + /* fall through */ + case MT_PHY_TYPE_HT: + txrate->flags |= IEEE80211_TX_RC_MCS; + txrate->idx = idx; + break; + case MT_PHY_TYPE_VHT: + txrate->flags |= IEEE80211_TX_RC_VHT_MCS; + txrate->idx = idx; + break; + default: + WARN_ON(1); + return; + } + + switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) { + case MT_PHY_BW_20: + break; + case MT_PHY_BW_40: + txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + break; + case MT_PHY_BW_80: + txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; + break; + default: + WARN_ON(1); + return; + } + + if (rate & MT_RXWI_RATE_SGI) + txrate->flags |= IEEE80211_TX_RC_SHORT_GI; +} + +static void +mt76_mac_fill_tx_status(struct mt76x0_dev *dev, struct ieee80211_tx_info *info, + struct mt76_tx_status *st, int n_frames) +{ + struct ieee80211_tx_rate *rate = info->status.rates; + int cur_idx, last_rate; + int i; + + if (!n_frames) + return; + + last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1); + mt76_mac_process_tx_rate(&rate[last_rate], st->rate, + dev->mt76.chandef.chan->band); + if (last_rate < IEEE80211_TX_MAX_RATES - 1) + rate[last_rate + 1].idx = -1; + + cur_idx = rate[last_rate].idx + last_rate; + for (i = 0; i <= last_rate; i++) { + rate[i].flags = rate[last_rate].flags; + rate[i].idx = max_t(int, 0, cur_idx - i); + rate[i].count = 1; + } + + rate[last_rate - 1].count = st->retry + 1 - last_rate; + + info->status.ampdu_len = n_frames; + info->status.ampdu_ack_len = st->success ? n_frames : 0; + + if (st->pktid & MT_TXWI_PKTID_PROBE) + info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; + + if (st->aggr) + info->flags |= IEEE80211_TX_CTL_AMPDU | + IEEE80211_TX_STAT_AMPDU; + + if (!st->ack_req) + info->flags |= IEEE80211_TX_CTL_NO_ACK; + else if (st->success) + info->flags |= IEEE80211_TX_STAT_ACK; +} + +u16 mt76x0_mac_tx_rate_val(struct mt76x0_dev *dev, + const struct ieee80211_tx_rate *rate, u8 *nss_val) +{ + u16 rateval; + u8 phy, rate_idx; + u8 nss = 1; + u8 bw = 0; + + if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { + rate_idx = rate->idx; + nss = 1 + (rate->idx >> 4); + phy = MT_PHY_TYPE_VHT; + if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) + bw = 2; + else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + bw = 1; + } else if (rate->flags & IEEE80211_TX_RC_MCS) { + rate_idx = rate->idx; + nss = 1 + (rate->idx >> 3); + phy = MT_PHY_TYPE_HT; + if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD) + phy = MT_PHY_TYPE_HT_GF; + if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + bw = 1; + } else { + const struct ieee80211_rate *r; + int band = dev->mt76.chandef.chan->band; + u16 val; + + r = &dev->mt76.hw->wiphy->bands[band]->bitrates[rate->idx]; + if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) + val = r->hw_value_short; + else + val = r->hw_value; + + phy = val >> 8; + rate_idx = val & 0xff; + bw = 0; + } + + rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx); + rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy); + rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw); + if (rate->flags & IEEE80211_TX_RC_SHORT_GI) + rateval |= MT_RXWI_RATE_SGI; + + *nss_val = nss; + return cpu_to_le16(rateval); +} + +void mt76x0_mac_wcid_set_rate(struct mt76x0_dev *dev, struct mt76_wcid *wcid, + const struct ieee80211_tx_rate *rate) +{ + unsigned long flags; + + spin_lock_irqsave(&dev->mt76.lock, flags); + wcid->tx_rate = mt76x0_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss); + wcid->tx_rate_set = true; + spin_unlock_irqrestore(&dev->mt76.lock, flags); +} + +struct mt76_tx_status mt76x0_mac_fetch_tx_status(struct mt76x0_dev *dev) +{ + struct mt76_tx_status stat = {}; + u32 stat2, stat1; + + stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT); + stat1 = mt76_rr(dev, MT_TX_STAT_FIFO); + + stat.valid = !!(stat1 & MT_TX_STAT_FIFO_VALID); + stat.success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS); + stat.aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR); + stat.ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ); + stat.wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1); + stat.rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1); + + stat.retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2); + stat.pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2); + + return stat; +} + +void mt76x0_send_tx_status(struct mt76x0_dev *dev, struct mt76_tx_status *stat, u8 *update) +{ + struct ieee80211_tx_info info = {}; + struct ieee80211_sta *sta = NULL; + struct mt76_wcid *wcid = NULL; + struct mt76_sta *msta = NULL; + + rcu_read_lock(); + if (stat->wcid < ARRAY_SIZE(dev->wcid)) + wcid = rcu_dereference(dev->wcid[stat->wcid]); + + if (wcid) { + void *priv; + priv = msta = container_of(wcid, struct mt76_sta, wcid); + sta = container_of(priv, struct ieee80211_sta, drv_priv); + } + + if (msta && stat->aggr) { + u32 stat_val, stat_cache; + + stat_val = stat->rate; + stat_val |= ((u32) stat->retry) << 16; + stat_cache = msta->status.rate; + stat_cache |= ((u32) msta->status.retry) << 16; + + if (*update == 0 && stat_val == stat_cache && + stat->wcid == msta->status.wcid && msta->n_frames < 32) { + msta->n_frames++; + goto out; + } + + mt76_mac_fill_tx_status(dev, &info, &msta->status, + msta->n_frames); + msta->status = *stat; + msta->n_frames = 1; + *update = 0; + } else { + mt76_mac_fill_tx_status(dev, &info, stat, 1); + *update = 1; + } + + spin_lock_bh(&dev->mac_lock); + ieee80211_tx_status_noskb(dev->mt76.hw, sta, &info); + spin_unlock_bh(&dev->mac_lock); +out: + rcu_read_unlock(); +} + +void mt76x0_mac_set_protection(struct mt76x0_dev *dev, bool legacy_prot, + int ht_mode) +{ + int mode = ht_mode & IEEE80211_HT_OP_MODE_PROTECTION; + bool non_gf = !!(ht_mode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT); + u32 prot[6]; + bool ht_rts[4] = {}; + int i; + + prot[0] = MT_PROT_NAV_SHORT | + MT_PROT_TXOP_ALLOW_ALL | + MT_PROT_RTS_THR_EN; + prot[1] = prot[0]; + if (legacy_prot) + prot[1] |= MT_PROT_CTRL_CTS2SELF; + + prot[2] = prot[4] = MT_PROT_NAV_SHORT | MT_PROT_TXOP_ALLOW_BW20; + prot[3] = prot[5] = MT_PROT_NAV_SHORT | MT_PROT_TXOP_ALLOW_ALL; + + if (legacy_prot) { + prot[2] |= MT_PROT_RATE_CCK_11; + prot[3] |= MT_PROT_RATE_CCK_11; + prot[4] |= MT_PROT_RATE_CCK_11; + prot[5] |= MT_PROT_RATE_CCK_11; + } else { + prot[2] |= MT_PROT_RATE_OFDM_24; + prot[3] |= MT_PROT_RATE_DUP_OFDM_24; + prot[4] |= MT_PROT_RATE_OFDM_24; + prot[5] |= MT_PROT_RATE_DUP_OFDM_24; + } + + switch (mode) { + case IEEE80211_HT_OP_MODE_PROTECTION_NONE: + break; + + case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: + ht_rts[0] = ht_rts[1] = ht_rts[2] = ht_rts[3] = true; + break; + + case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: + ht_rts[1] = ht_rts[3] = true; + break; + + case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: + ht_rts[0] = ht_rts[1] = ht_rts[2] = ht_rts[3] = true; + break; + } + + if (non_gf) + ht_rts[2] = ht_rts[3] = true; + + for (i = 0; i < 4; i++) + if (ht_rts[i]) + prot[i + 2] |= MT_PROT_CTRL_RTS_CTS; + + for (i = 0; i < 6; i++) + mt76_wr(dev, MT_CCK_PROT_CFG + i * 4, prot[i]); +} + +void mt76x0_mac_set_short_preamble(struct mt76x0_dev *dev, bool short_preamb) +{ + if (short_preamb) + mt76_set(dev, MT_AUTO_RSP_CFG, MT_AUTO_RSP_PREAMB_SHORT); + else + mt76_clear(dev, MT_AUTO_RSP_CFG, MT_AUTO_RSP_PREAMB_SHORT); +} + +void mt76x0_mac_config_tsf(struct mt76x0_dev *dev, bool enable, int interval) +{ + u32 val = mt76_rr(dev, MT_BEACON_TIME_CFG); + + val &= ~(MT_BEACON_TIME_CFG_TIMER_EN | + MT_BEACON_TIME_CFG_SYNC_MODE | + MT_BEACON_TIME_CFG_TBTT_EN); + + if (!enable) { + mt76_wr(dev, MT_BEACON_TIME_CFG, val); + return; + } + + val &= ~MT_BEACON_TIME_CFG_INTVAL; + val |= FIELD_PREP(MT_BEACON_TIME_CFG_INTVAL, interval << 4) | + MT_BEACON_TIME_CFG_TIMER_EN | + MT_BEACON_TIME_CFG_SYNC_MODE | + MT_BEACON_TIME_CFG_TBTT_EN; +} + +static void mt76x0_check_mac_err(struct mt76x0_dev *dev) +{ + u32 val = mt76_rr(dev, 0x10f4); + + if (!(val & BIT(29)) || !(val & (BIT(7) | BIT(5)))) + return; + + dev_err(dev->mt76.dev, "Error: MAC specific condition occurred\n"); + + mt76_set(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_RESET_CSR); + udelay(10); + mt76_clear(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_RESET_CSR); +} +void mt76x0_mac_work(struct work_struct *work) +{ + struct mt76x0_dev *dev = container_of(work, struct mt76x0_dev, + mac_work.work); + struct { + u32 addr_base; + u32 span; + u64 *stat_base; + } spans[] = { + { MT_RX_STA_CNT0, 3, dev->stats.rx_stat }, + { MT_TX_STA_CNT0, 3, dev->stats.tx_stat }, + { MT_TX_AGG_STAT, 1, dev->stats.aggr_stat }, + { MT_MPDU_DENSITY_CNT, 1, dev->stats.zero_len_del }, + { MT_TX_AGG_CNT_BASE0, 8, &dev->stats.aggr_n[0] }, + { MT_TX_AGG_CNT_BASE1, 8, &dev->stats.aggr_n[16] }, + }; + u32 sum, n; + int i, j, k; + + /* Note: using MCU_RANDOM_READ is actually slower then reading all the + * registers by hand. MCU takes ca. 20ms to complete read of 24 + * registers while reading them one by one will takes roughly + * 24*200us =~ 5ms. + */ + + k = 0; + n = 0; + sum = 0; + for (i = 0; i < ARRAY_SIZE(spans); i++) + for (j = 0; j < spans[i].span; j++) { + u32 val = mt76_rr(dev, spans[i].addr_base + j * 4); + + spans[i].stat_base[j * 2] += val & 0xffff; + spans[i].stat_base[j * 2 + 1] += val >> 16; + + /* Calculate average AMPDU length */ + if (spans[i].addr_base != MT_TX_AGG_CNT_BASE0 && + spans[i].addr_base != MT_TX_AGG_CNT_BASE1) + continue; + + n += (val >> 16) + (val & 0xffff); + sum += (val & 0xffff) * (1 + k * 2) + + (val >> 16) * (2 + k * 2); + k++; + } + + atomic_set(&dev->avg_ampdu_len, n ? DIV_ROUND_CLOSEST(sum, n) : 1); + + mt76x0_check_mac_err(dev); + + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work, 10 * HZ); +} + +void +mt76x0_mac_wcid_setup(struct mt76x0_dev *dev, u8 idx, u8 vif_idx, u8 *mac) +{ + u8 zmac[ETH_ALEN] = {}; + u32 attr; + + attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) | + FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8)); + + mt76_wr(dev, MT_WCID_ATTR(idx), attr); + + if (mac) + memcpy(zmac, mac, sizeof(zmac)); + + mt76x0_addr_wr(dev, MT_WCID_ADDR(idx), zmac); +} + +void mt76x0_mac_set_ampdu_factor(struct mt76x0_dev *dev) +{ + struct ieee80211_sta *sta; + struct mt76_wcid *wcid; + void *msta; + u8 min_factor = 3; + int i; + + rcu_read_lock(); + for (i = 0; i < ARRAY_SIZE(dev->wcid); i++) { + wcid = rcu_dereference(dev->wcid[i]); + if (!wcid) + continue; + + msta = container_of(wcid, struct mt76_sta, wcid); + sta = container_of(msta, struct ieee80211_sta, drv_priv); + + min_factor = min(min_factor, sta->ht_cap.ampdu_factor); + } + rcu_read_unlock(); + + mt76_wr(dev, MT_MAX_LEN_CFG, 0xa0fff | + FIELD_PREP(MT_MAX_LEN_CFG_AMPDU, min_factor)); +} + +static void +mt76_mac_process_rate(struct ieee80211_rx_status *status, u16 rate) +{ + u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate); + + switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) { + case MT_PHY_TYPE_OFDM: + if (idx >= 8) + idx = 0; + + if (status->band == NL80211_BAND_2GHZ) + idx += 4; + + status->rate_idx = idx; + return; + case MT_PHY_TYPE_CCK: + if (idx >= 8) { + idx -= 8; + status->enc_flags |= RX_ENC_FLAG_SHORTPRE; + } + + if (idx >= 4) + idx = 0; + + status->rate_idx = idx; + return; + case MT_PHY_TYPE_HT_GF: + status->enc_flags |= RX_ENC_FLAG_HT_GF; + /* fall through */ + case MT_PHY_TYPE_HT: + status->encoding = RX_ENC_HT; + status->rate_idx = idx; + break; + case MT_PHY_TYPE_VHT: + status->encoding = RX_ENC_VHT; + status->rate_idx = FIELD_GET(MT_RATE_INDEX_VHT_IDX, idx); + status->nss = FIELD_GET(MT_RATE_INDEX_VHT_NSS, idx) + 1; + break; + default: + WARN_ON(1); + return; + } + + if (rate & MT_RXWI_RATE_LDPC) + status->enc_flags |= RX_ENC_FLAG_LDPC; + + if (rate & MT_RXWI_RATE_SGI) + status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + + if (rate & MT_RXWI_RATE_STBC) + status->enc_flags |= 1 << RX_ENC_FLAG_STBC_SHIFT; + + switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) { + case MT_PHY_BW_20: + break; + case MT_PHY_BW_40: + status->bw = RATE_INFO_BW_40; + break; + case MT_PHY_BW_80: + status->bw = RATE_INFO_BW_80; + break; + default: + WARN_ON(1); + break; + } +} + +static void +mt76x0_rx_monitor_beacon(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi, + u16 rate, int rssi) +{ + dev->bcn_phy_mode = FIELD_GET(MT_RXWI_RATE_PHY, rate); + dev->avg_rssi = ((dev->avg_rssi * 15) / 16 + (rssi << 8)) / 256; +} + +static int +mt76x0_rx_is_our_beacon(struct mt76x0_dev *dev, u8 *data) +{ + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)data; + + return ieee80211_is_beacon(hdr->frame_control) && + ether_addr_equal(hdr->addr2, dev->ap_bssid); +} + +u32 mt76x0_mac_process_rx(struct mt76x0_dev *dev, struct sk_buff *skb, + u8 *data, void *rxi) +{ + struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); + struct mt76x0_rxwi *rxwi = rxi; + u32 len, ctl = le32_to_cpu(rxwi->ctl); + u16 rate = le16_to_cpu(rxwi->rate); + int rssi; + + len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl); + if (WARN_ON(len < 10)) + return 0; + + if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_DECRYPT)) { + status->flag |= RX_FLAG_DECRYPTED; + status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED; + } + + status->chains = BIT(0); + rssi = mt76x0_phy_get_rssi(dev, rxwi); + status->chain_signal[0] = status->signal = rssi; + status->freq = dev->mt76.chandef.chan->center_freq; + status->band = dev->mt76.chandef.chan->band; + + mt76_mac_process_rate(status, rate); + + spin_lock_bh(&dev->con_mon_lock); + if (mt76x0_rx_is_our_beacon(dev, data)) { + mt76x0_rx_monitor_beacon(dev, rxwi, rate, rssi); + } else if (rxwi->rxinfo & cpu_to_le32(MT_RXINFO_U2M)) { + if (dev->avg_rssi == 0) + dev->avg_rssi = rssi; + else + dev->avg_rssi = (dev->avg_rssi * 15) / 16 + rssi / 16; + + } + spin_unlock_bh(&dev->con_mon_lock); + + return len; +} + +static enum mt76_cipher_type +mt76_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data) +{ + memset(key_data, 0, 32); + if (!key) + return MT_CIPHER_NONE; + + if (key->keylen > 32) + return MT_CIPHER_NONE; + + memcpy(key_data, key->key, key->keylen); + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + return MT_CIPHER_WEP40; + case WLAN_CIPHER_SUITE_WEP104: + return MT_CIPHER_WEP104; + case WLAN_CIPHER_SUITE_TKIP: + return MT_CIPHER_TKIP; + case WLAN_CIPHER_SUITE_CCMP: + return MT_CIPHER_AES_CCMP; + default: + return MT_CIPHER_NONE; + } +} + +int mt76x0_mac_wcid_set_key(struct mt76x0_dev *dev, u8 idx, + struct ieee80211_key_conf *key) +{ + enum mt76_cipher_type cipher; + u8 key_data[32]; + u8 iv_data[8]; + u32 val; + + cipher = mt76_mac_get_key_info(key, key_data); + if (cipher == MT_CIPHER_NONE && key) + return -EINVAL; + + trace_mt76x0_set_key(&dev->mt76, idx); + + mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data)); + + memset(iv_data, 0, sizeof(iv_data)); + if (key) { + iv_data[3] = key->keyidx << 6; + if (cipher >= MT_CIPHER_TKIP) { + /* Note: start with 1 to comply with spec, + * (see comment on common/cmm_wpa.c:4291). + */ + iv_data[0] |= 1; + iv_data[3] |= 0x20; + } + } + mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data)); + + val = mt76_rr(dev, MT_WCID_ATTR(idx)); + val &= ~MT_WCID_ATTR_PKEY_MODE & ~MT_WCID_ATTR_PKEY_MODE_EXT; + val |= FIELD_PREP(MT_WCID_ATTR_PKEY_MODE, cipher & 7) | + FIELD_PREP(MT_WCID_ATTR_PKEY_MODE_EXT, cipher >> 3); + val &= ~MT_WCID_ATTR_PAIRWISE; + val |= MT_WCID_ATTR_PAIRWISE * + !!(key && key->flags & IEEE80211_KEY_FLAG_PAIRWISE); + mt76_wr(dev, MT_WCID_ATTR(idx), val); + + return 0; +} + +int mt76x0_mac_shared_key_setup(struct mt76x0_dev *dev, u8 vif_idx, u8 key_idx, + struct ieee80211_key_conf *key) +{ + enum mt76_cipher_type cipher; + u8 key_data[32]; + u32 val; + + cipher = mt76_mac_get_key_info(key, key_data); + if (cipher == MT_CIPHER_NONE && key) + return -EINVAL; + + trace_mt76x0_set_shared_key(&dev->mt76, vif_idx, key_idx); + + mt76_wr_copy(dev, MT_SKEY(vif_idx, key_idx), + key_data, sizeof(key_data)); + + val = mt76_rr(dev, MT_SKEY_MODE(vif_idx)); + val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx)); + val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx); + mt76_wr(dev, MT_SKEY_MODE(vif_idx), val); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mac.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mac.h new file mode 100644 index 000000000000..bea067b71c13 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mac.h @@ -0,0 +1,154 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76_MAC_H +#define __MT76_MAC_H + +/* Note: values in original "RSSI" and "SNR" fields are not actually what they + * are called for MT76X0U, names used by this driver are educated guesses + * (see vendor mac/ral_omac.c). + */ +struct mt76x0_rxwi { + __le32 rxinfo; + + __le32 ctl; + + __le16 tid_sn; + __le16 rate; + + s8 rssi[4]; + + __le32 bbp_rxinfo[4]; +} __packed __aligned(4); + +#define MT_RXINFO_BA BIT(0) +#define MT_RXINFO_DATA BIT(1) +#define MT_RXINFO_NULL BIT(2) +#define MT_RXINFO_FRAG BIT(3) +#define MT_RXINFO_U2M BIT(4) +#define MT_RXINFO_MULTICAST BIT(5) +#define MT_RXINFO_BROADCAST BIT(6) +#define MT_RXINFO_MYBSS BIT(7) +#define MT_RXINFO_CRCERR BIT(8) +#define MT_RXINFO_ICVERR BIT(9) +#define MT_RXINFO_MICERR BIT(10) +#define MT_RXINFO_AMSDU BIT(11) +#define MT_RXINFO_HTC BIT(12) +#define MT_RXINFO_RSSI BIT(13) +#define MT_RXINFO_L2PAD BIT(14) +#define MT_RXINFO_AMPDU BIT(15) +#define MT_RXINFO_DECRYPT BIT(16) +#define MT_RXINFO_BSSIDX3 BIT(17) +#define MT_RXINFO_WAPI_KEY BIT(18) +#define MT_RXINFO_PN_LEN GENMASK(21, 19) +#define MT_RXINFO_SW_PKT_80211 BIT(22) +#define MT_RXINFO_TCP_SUM_BYPASS BIT(28) +#define MT_RXINFO_IP_SUM_BYPASS BIT(29) +#define MT_RXINFO_TCP_SUM_ERR BIT(30) +#define MT_RXINFO_IP_SUM_ERR BIT(31) + +#define MT_RXWI_CTL_WCID GENMASK(7, 0) +#define MT_RXWI_CTL_KEY_IDX GENMASK(9, 8) +#define MT_RXWI_CTL_BSS_IDX GENMASK(12, 10) +#define MT_RXWI_CTL_UDF GENMASK(15, 13) +#define MT_RXWI_CTL_MPDU_LEN GENMASK(27, 16) +#define MT_RXWI_CTL_TID GENMASK(31, 28) + +#define MT_RXWI_FRAG GENMASK(3, 0) +#define MT_RXWI_SN GENMASK(15, 4) + +#define MT_RXWI_RATE_INDEX GENMASK(5, 0) +#define MT_RXWI_RATE_LDPC BIT(6) +#define MT_RXWI_RATE_BW GENMASK(8, 7) +#define MT_RXWI_RATE_SGI BIT(9) +#define MT_RXWI_RATE_STBC BIT(10) +#define MT_RXWI_RATE_LDPC_ETXBF BIT(11) +#define MT_RXWI_RATE_SND BIT(12) +#define MT_RXWI_RATE_PHY GENMASK(15, 13) + +#define MT_RATE_INDEX_VHT_IDX GENMASK(3, 0) +#define MT_RATE_INDEX_VHT_NSS GENMASK(5, 4) + +#define MT_RXWI_GAIN_RSSI_VAL GENMASK(5, 0) +#define MT_RXWI_GAIN_RSSI_LNA_ID GENMASK(7, 6) +#define MT_RXWI_ANT_AUX_LNA BIT(7) + +#define MT_RXWI_EANT_ENC_ANT_ID GENMASK(7, 0) + +enum mt76_phy_bandwidth { + MT_PHY_BW_20, + MT_PHY_BW_40, + MT_PHY_BW_80, +}; + +struct mt76_txwi { + __le16 flags; + __le16 rate_ctl; + u8 ack_ctl; + u8 wcid; + __le16 len_ctl; + __le32 iv; + __le32 eiv; + u8 aid; + u8 txstream; + u8 ctl2; + u8 pktid; +} __packed __aligned(4); + +#define MT_TXWI_FLAGS_FRAG BIT(0) +#define MT_TXWI_FLAGS_MMPS BIT(1) +#define MT_TXWI_FLAGS_CFACK BIT(2) +#define MT_TXWI_FLAGS_TS BIT(3) +#define MT_TXWI_FLAGS_AMPDU BIT(4) +#define MT_TXWI_FLAGS_MPDU_DENSITY GENMASK(7, 5) +#define MT_TXWI_FLAGS_TXOP GENMASK(9, 8) +#define MT_TXWI_FLAGS_CWMIN GENMASK(12, 10) +#define MT_TXWI_FLAGS_NO_RATE_FALLBACK BIT(13) +#define MT_TXWI_FLAGS_TX_RPT BIT(14) +#define MT_TXWI_FLAGS_TX_RATE_LUT BIT(15) + +#define MT_TXWI_RATE_MCS GENMASK(6, 0) +#define MT_TXWI_RATE_BW BIT(7) +#define MT_TXWI_RATE_SGI BIT(8) +#define MT_TXWI_RATE_STBC GENMASK(10, 9) +#define MT_TXWI_RATE_PHY_MODE GENMASK(15, 14) + +#define MT_TXWI_ACK_CTL_REQ BIT(0) +#define MT_TXWI_ACK_CTL_NSEQ BIT(1) +#define MT_TXWI_ACK_CTL_BA_WINDOW GENMASK(7, 2) + +#define MT_TXWI_LEN_BYTE_CNT GENMASK(11, 0) + +#define MT_TXWI_CTL_TX_POWER_ADJ GENMASK(3, 0) +#define MT_TXWI_CTL_CHAN_CHECK_PKT BIT(4) +#define MT_TXWI_CTL_PIFS_REV BIT(6) + +#define MT_TXWI_PKTID_PROBE BIT(7) + +u32 mt76x0_mac_process_rx(struct mt76x0_dev *dev, struct sk_buff *skb, + u8 *data, void *rxi); +int mt76x0_mac_wcid_set_key(struct mt76x0_dev *dev, u8 idx, + struct ieee80211_key_conf *key); +void mt76x0_mac_wcid_set_rate(struct mt76x0_dev *dev, struct mt76_wcid *wcid, + const struct ieee80211_tx_rate *rate); + +int mt76x0_mac_shared_key_setup(struct mt76x0_dev *dev, u8 vif_idx, u8 key_idx, + struct ieee80211_key_conf *key); +u16 mt76x0_mac_tx_rate_val(struct mt76x0_dev *dev, + const struct ieee80211_tx_rate *rate, u8 *nss_val); +struct mt76_tx_status +mt76x0_mac_fetch_tx_status(struct mt76x0_dev *dev); +void mt76x0_send_tx_status(struct mt76x0_dev *dev, struct mt76_tx_status *stat, u8 *update); + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/main.c b/drivers/net/wireless/mediatek/mt76/mt76x0/main.c new file mode 100644 index 000000000000..cf6ffb1ba4a2 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/main.c @@ -0,0 +1,403 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" +#include "mac.h" +#include <linux/etherdevice.h> + +static int mt76x0_start(struct ieee80211_hw *hw) +{ + struct mt76x0_dev *dev = hw->priv; + int ret; + + mutex_lock(&dev->mutex); + + ret = mt76x0_mac_start(dev); + if (ret) + goto out; + + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->mac_work, + MT_CALIBRATE_INTERVAL); + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, + MT_CALIBRATE_INTERVAL); +out: + mutex_unlock(&dev->mutex); + return ret; +} + +static void mt76x0_stop(struct ieee80211_hw *hw) +{ + struct mt76x0_dev *dev = hw->priv; + + mutex_lock(&dev->mutex); + + cancel_delayed_work_sync(&dev->cal_work); + cancel_delayed_work_sync(&dev->mac_work); + mt76x0_mac_stop(dev); + + mutex_unlock(&dev->mutex); +} + + +static int mt76x0_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x0_dev *dev = hw->priv; + struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; + unsigned int idx; + + idx = ffs(~dev->vif_mask); + if (!idx || idx > 8) + return -ENOSPC; + + idx--; + dev->vif_mask |= BIT(idx); + + mvif->idx = idx; + mvif->group_wcid.idx = GROUP_WCID(idx); + mvif->group_wcid.hw_key_idx = -1; + + return 0; +} + +static void mt76x0_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x0_dev *dev = hw->priv; + struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; + unsigned int wcid = mvif->group_wcid.idx; + + dev->wcid_mask[wcid / BITS_PER_LONG] &= ~BIT(wcid % BITS_PER_LONG); +} + +static int mt76x0_config(struct ieee80211_hw *hw, u32 changed) +{ + struct mt76x0_dev *dev = hw->priv; + int ret = 0; + + mutex_lock(&dev->mutex); + + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { + if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) + dev->rxfilter |= MT_RX_FILTR_CFG_PROMISC; + else + dev->rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; + + mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); + } + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + ieee80211_stop_queues(hw); + ret = mt76x0_phy_set_channel(dev, &hw->conf.chandef); + ieee80211_wake_queues(hw); + } + + mutex_unlock(&dev->mutex); + + return ret; +} + +static void +mt76_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, + unsigned int *total_flags, u64 multicast) +{ + struct mt76x0_dev *dev = hw->priv; + u32 flags = 0; + +#define MT76_FILTER(_flag, _hw) do { \ + flags |= *total_flags & FIF_##_flag; \ + dev->rxfilter &= ~(_hw); \ + dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ + } while (0) + + mutex_lock(&dev->mutex); + + dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS; + + MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR); + MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR); + MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK | + MT_RX_FILTR_CFG_CTS | + MT_RX_FILTR_CFG_CFEND | + MT_RX_FILTR_CFG_CFACK | + MT_RX_FILTR_CFG_BA | + MT_RX_FILTR_CFG_CTRL_RSV); + MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL); + + *total_flags = flags; + mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); + + mutex_unlock(&dev->mutex); +} + +static void +mt76x0_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, u32 changed) +{ + struct mt76x0_dev *dev = hw->priv; + + mutex_lock(&dev->mutex); + + if (changed & BSS_CHANGED_ASSOC) + mt76x0_phy_con_cal_onoff(dev, info); + + if (changed & BSS_CHANGED_BSSID) { + mt76x0_addr_wr(dev, MT_MAC_BSSID_DW0, info->bssid); + + /* Note: this is a hack because beacon_int is not changed + * on leave nor is any more appropriate event generated. + * rt2x00 doesn't seem to be bothered though. + */ + if (is_zero_ether_addr(info->bssid)) + mt76x0_mac_config_tsf(dev, false, 0); + } + + if (changed & BSS_CHANGED_BASIC_RATES) { + mt76_wr(dev, MT_LEGACY_BASIC_RATE, info->basic_rates); + mt76_wr(dev, MT_HT_FBK_CFG0, 0x65432100); + mt76_wr(dev, MT_HT_FBK_CFG1, 0xedcba980); + mt76_wr(dev, MT_LG_FBK_CFG0, 0xedcba988); + mt76_wr(dev, MT_LG_FBK_CFG1, 0x00002100); + } + + if (changed & BSS_CHANGED_BEACON_INT) + mt76x0_mac_config_tsf(dev, true, info->beacon_int); + + if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT) + mt76x0_mac_set_protection(dev, info->use_cts_prot, + info->ht_operation_mode); + + if (changed & BSS_CHANGED_ERP_PREAMBLE) + mt76x0_mac_set_short_preamble(dev, info->use_short_preamble); + + if (changed & BSS_CHANGED_ERP_SLOT) { + int slottime = info->use_short_slot ? 9 : 20; + + mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, + MT_BKOFF_SLOT_CFG_SLOTTIME, slottime); + } + + if (changed & BSS_CHANGED_ASSOC) + mt76x0_phy_recalibrate_after_assoc(dev); + + mutex_unlock(&dev->mutex); +} + +static int +mt76x0_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x0_dev *dev = hw->priv; + struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; + struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; + int ret = 0; + int idx = 0; + + mutex_lock(&dev->mutex); + + idx = mt76_wcid_alloc(dev->wcid_mask, ARRAY_SIZE(dev->wcid)); + if (idx < 0) { + ret = -ENOSPC; + goto out; + } + + msta->wcid.idx = idx; + msta->wcid.hw_key_idx = -1; + mt76x0_mac_wcid_setup(dev, idx, mvif->idx, sta->addr); + mt76_clear(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx)); + rcu_assign_pointer(dev->wcid[idx], &msta->wcid); + mt76x0_mac_set_ampdu_factor(dev); + +out: + mutex_unlock(&dev->mutex); + + return ret; +} + +static int +mt76x0_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x0_dev *dev = hw->priv; + struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; + int idx = msta->wcid.idx; + + mutex_lock(&dev->mutex); + rcu_assign_pointer(dev->wcid[idx], NULL); + mt76_set(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx)); + dev->wcid_mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG); + mt76x0_mac_wcid_setup(dev, idx, 0, NULL); + mt76x0_mac_set_ampdu_factor(dev); + mutex_unlock(&dev->mutex); + + return 0; +} + +static void +mt76x0_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + enum sta_notify_cmd cmd, struct ieee80211_sta *sta) +{ +} + +static void +mt76x0_sw_scan(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + const u8 *mac_addr) +{ + struct mt76x0_dev *dev = hw->priv; + + cancel_delayed_work_sync(&dev->cal_work); + mt76x0_agc_save(dev); + set_bit(MT76_SCANNING, &dev->mt76.state); +} + +static void +mt76x0_sw_scan_complete(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x0_dev *dev = hw->priv; + + mt76x0_agc_restore(dev); + clear_bit(MT76_SCANNING, &dev->mt76.state); + + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, + MT_CALIBRATE_INTERVAL); +} + +static int +mt76x0_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct mt76x0_dev *dev = hw->priv; + struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv; + struct mt76_sta *msta = sta ? (struct mt76_sta *) sta->drv_priv : NULL; + struct mt76_wcid *wcid = msta ? &msta->wcid : &mvif->group_wcid; + int idx = key->keyidx; + int ret; + + if (cmd == SET_KEY) { + key->hw_key_idx = wcid->idx; + wcid->hw_key_idx = idx; + } else { + if (idx == wcid->hw_key_idx) + wcid->hw_key_idx = -1; + + key = NULL; + } + + if (!msta) { + if (key || wcid->hw_key_idx == idx) { + ret = mt76x0_mac_wcid_set_key(dev, wcid->idx, key); + if (ret) + return ret; + } + + return mt76x0_mac_shared_key_setup(dev, mvif->idx, idx, key); + } + + return mt76x0_mac_wcid_set_key(dev, msta->wcid.idx, key); +} + +static int mt76x0_set_rts_threshold(struct ieee80211_hw *hw, u32 value) +{ + struct mt76x0_dev *dev = hw->priv; + + mt76_rmw_field(dev, MT_TX_RTS_CFG, MT_TX_RTS_CFG_THRESH, value); + + return 0; +} + +static int +mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + struct mt76x0_dev *dev = hw->priv; + struct ieee80211_sta *sta = params->sta; + enum ieee80211_ampdu_mlme_action action = params->action; + u16 tid = params->tid; + u16 *ssn = ¶ms->ssn; + struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; + + WARN_ON(msta->wcid.idx > N_WCIDS); + + switch (action) { + case IEEE80211_AMPDU_RX_START: + mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); + break; + case IEEE80211_AMPDU_RX_STOP: + mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + ieee80211_send_bar(vif, sta->addr, tid, msta->agg_ssn[tid]); + break; + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + break; + case IEEE80211_AMPDU_TX_START: + msta->agg_ssn[tid] = *ssn << 4; + ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + case IEEE80211_AMPDU_TX_STOP_CONT: + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + } + + return 0; +} + +static void +mt76_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x0_dev *dev = hw->priv; + struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv; + struct ieee80211_sta_rates *rates; + struct ieee80211_tx_rate rate = {}; + + rcu_read_lock(); + rates = rcu_dereference(sta->rates); + + if (!rates) + goto out; + + rate.idx = rates->rate[0].idx; + rate.flags = rates->rate[0].flags; + mt76x0_mac_wcid_set_rate(dev, &msta->wcid, &rate); + +out: + rcu_read_unlock(); +} + +const struct ieee80211_ops mt76x0_ops = { + .tx = mt76x0_tx, + .start = mt76x0_start, + .stop = mt76x0_stop, + .add_interface = mt76x0_add_interface, + .remove_interface = mt76x0_remove_interface, + .config = mt76x0_config, + .configure_filter = mt76_configure_filter, + .bss_info_changed = mt76x0_bss_info_changed, + .sta_add = mt76x0_sta_add, + .sta_remove = mt76x0_sta_remove, + .sta_notify = mt76x0_sta_notify, + .set_key = mt76x0_set_key, + .conf_tx = mt76x0_conf_tx, + .sw_scan_start = mt76x0_sw_scan, + .sw_scan_complete = mt76x0_sw_scan_complete, + .ampdu_action = mt76_ampdu_action, + .sta_rate_tbl_update = mt76_sta_rate_tbl_update, + .set_rts_threshold = mt76x0_set_rts_threshold, +}; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c new file mode 100644 index 000000000000..8affacbab90a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.c @@ -0,0 +1,656 @@ +/* + * (c) Copyright 2002-2010, Ralink Technology, Inc. + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/firmware.h> +#include <linux/delay.h> +#include <linux/usb.h> +#include <linux/skbuff.h> + +#include "mt76x0.h" +#include "dma.h" +#include "mcu.h" +#include "usb.h" +#include "trace.h" + +#define MCU_FW_URB_MAX_PAYLOAD 0x38f8 +#define MCU_FW_URB_SIZE (MCU_FW_URB_MAX_PAYLOAD + 12) +#define MCU_RESP_URB_SIZE 1024 + +static inline int firmware_running(struct mt76x0_dev *dev) +{ + return mt76_rr(dev, MT_MCU_COM_REG0) == 1; +} + +static inline void skb_put_le32(struct sk_buff *skb, u32 val) +{ + put_unaligned_le32(val, skb_put(skb, 4)); +} + +static inline void mt76x0_dma_skb_wrap_cmd(struct sk_buff *skb, + u8 seq, enum mcu_cmd cmd) +{ + WARN_ON(mt76x0_dma_skb_wrap(skb, CPU_TX_PORT, DMA_COMMAND, + FIELD_PREP(MT_TXD_CMD_SEQ, seq) | + FIELD_PREP(MT_TXD_CMD_TYPE, cmd))); +} + +static inline void trace_mt76x0_mcu_msg_send_cs(struct mt76_dev *dev, + struct sk_buff *skb, bool need_resp) +{ + u32 i, csum = 0; + + for (i = 0; i < skb->len / 4; i++) + csum ^= get_unaligned_le32(skb->data + i * 4); + + trace_mt76x0_mcu_msg_send(dev, skb, csum, need_resp); +} + +static struct sk_buff * +mt76x0_mcu_msg_alloc(struct mt76x0_dev *dev, const void *data, int len) +{ + struct sk_buff *skb; + + WARN_ON(len % 4); /* if length is not divisible by 4 we need to pad */ + + skb = alloc_skb(len + MT_DMA_HDR_LEN + 4, GFP_KERNEL); + if (skb) { + skb_reserve(skb, MT_DMA_HDR_LEN); + memcpy(skb_put(skb, len), data, len); + } + return skb; +} + +static void mt76x0_read_resp_regs(struct mt76x0_dev *dev, int len) +{ + int i; + int n = dev->mcu.reg_pairs_len; + u8 *buf = dev->mcu.resp.buf; + + buf += 4; + len -= 8; + + if (dev->mcu.burst_read) { + u32 reg = dev->mcu.reg_pairs[0].reg - dev->mcu.reg_base; + + WARN_ON_ONCE(len/4 != n); + for (i = 0; i < n; i++) { + u32 val = get_unaligned_le32(buf + 4*i); + + dev->mcu.reg_pairs[i].reg = reg++; + dev->mcu.reg_pairs[i].value = val; + } + } else { + WARN_ON_ONCE(len/8 != n); + for (i = 0; i < n; i++) { + u32 reg = get_unaligned_le32(buf + 8*i) - dev->mcu.reg_base; + u32 val = get_unaligned_le32(buf + 8*i + 4); + + WARN_ON_ONCE(dev->mcu.reg_pairs[i].reg != reg); + dev->mcu.reg_pairs[i].value = val; + } + } +} + +static int mt76x0_mcu_wait_resp(struct mt76x0_dev *dev, u8 seq) +{ + struct urb *urb = dev->mcu.resp.urb; + u32 rxfce; + int urb_status, ret, try = 5; + + while (try--) { + if (!wait_for_completion_timeout(&dev->mcu.resp_cmpl, + msecs_to_jiffies(300))) { + dev_warn(dev->mt76.dev, "Warning: %s retrying\n", __func__); + continue; + } + + /* Make copies of important data before reusing the urb */ + rxfce = get_unaligned_le32(dev->mcu.resp.buf); + urb_status = urb->status * mt76x0_urb_has_error(urb); + + if (urb_status == 0 && dev->mcu.reg_pairs) + mt76x0_read_resp_regs(dev, urb->actual_length); + + ret = mt76x0_usb_submit_buf(dev, USB_DIR_IN, MT_EP_IN_CMD_RESP, + &dev->mcu.resp, GFP_KERNEL, + mt76x0_complete_urb, + &dev->mcu.resp_cmpl); + if (ret) + return ret; + + if (urb_status) + dev_err(dev->mt76.dev, "Error: MCU resp urb failed:%d\n", + urb_status); + + if (FIELD_GET(MT_RXD_CMD_INFO_CMD_SEQ, rxfce) == seq && + FIELD_GET(MT_RXD_CMD_INFO_EVT_TYPE, rxfce) == CMD_DONE) + return 0; + + dev_err(dev->mt76.dev, "Error: MCU resp evt:%lx seq:%hhx-%lx!\n", + FIELD_GET(MT_RXD_CMD_INFO_EVT_TYPE, rxfce), + seq, FIELD_GET(MT_RXD_CMD_INFO_CMD_SEQ, rxfce)); + } + + dev_err(dev->mt76.dev, "Error: %s timed out\n", __func__); + return -ETIMEDOUT; +} + +static int +__mt76x0_mcu_msg_send(struct mt76x0_dev *dev, struct sk_buff *skb, + enum mcu_cmd cmd, bool wait_resp) +{ + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + unsigned cmd_pipe = usb_sndbulkpipe(usb_dev, + dev->out_ep[MT_EP_OUT_INBAND_CMD]); + int sent, ret; + u8 seq = 0; + + if (wait_resp) + while (!seq) + seq = ++dev->mcu.msg_seq & 0xf; + + mt76x0_dma_skb_wrap_cmd(skb, seq, cmd); + + if (dev->mcu.resp_cmpl.done) + dev_err(dev->mt76.dev, "Error: MCU response pre-completed!\n"); + + trace_mt76x0_mcu_msg_send_cs(&dev->mt76, skb, wait_resp); + trace_mt76x0_submit_urb_sync(&dev->mt76, cmd_pipe, skb->len); + + ret = usb_bulk_msg(usb_dev, cmd_pipe, skb->data, skb->len, &sent, 500); + if (ret) { + dev_err(dev->mt76.dev, "Error: send MCU cmd failed:%d\n", ret); + goto out; + } + if (sent != skb->len) + dev_err(dev->mt76.dev, "Error: %s sent != skb->len\n", __func__); + + if (wait_resp) + ret = mt76x0_mcu_wait_resp(dev, seq); + +out: + return ret; +} + +static int +mt76x0_mcu_msg_send(struct mt76x0_dev *dev, struct sk_buff *skb, + enum mcu_cmd cmd, bool wait_resp) +{ + int ret; + + if (test_bit(MT76_REMOVED, &dev->mt76.state)) + return 0; + + mutex_lock(&dev->mcu.mutex); + ret = __mt76x0_mcu_msg_send(dev, skb, cmd, wait_resp); + mutex_unlock(&dev->mcu.mutex); + + consume_skb(skb); + + return ret; +} + +int mt76x0_mcu_function_select(struct mt76x0_dev *dev, + enum mcu_function func, u32 val) +{ + struct sk_buff *skb; + struct { + __le32 id; + __le32 value; + } __packed __aligned(4) msg = { + .id = cpu_to_le32(func), + .value = cpu_to_le32(val), + }; + + skb = mt76x0_mcu_msg_alloc(dev, &msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76x0_mcu_msg_send(dev, skb, CMD_FUN_SET_OP, func == 5); +} + +int +mt76x0_mcu_calibrate(struct mt76x0_dev *dev, enum mcu_calibrate cal, u32 val) +{ + struct sk_buff *skb; + struct { + __le32 id; + __le32 value; + } __packed __aligned(4) msg = { + .id = cpu_to_le32(cal), + .value = cpu_to_le32(val), + }; + + skb = mt76x0_mcu_msg_alloc(dev, &msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76x0_mcu_msg_send(dev, skb, CMD_CALIBRATION_OP, true); +} + +int mt76x0_write_reg_pairs(struct mt76x0_dev *dev, u32 base, + const struct mt76_reg_pair *data, int n) +{ + const int max_vals_per_cmd = INBAND_PACKET_MAX_LEN / 8; + struct sk_buff *skb; + int cnt, i, ret; + + if (!n) + return 0; + + cnt = min(max_vals_per_cmd, n); + + skb = alloc_skb(cnt * 8 + MT_DMA_HDR_LEN + 4, GFP_KERNEL); + if (!skb) + return -ENOMEM; + skb_reserve(skb, MT_DMA_HDR_LEN); + + for (i = 0; i < cnt; i++) { + skb_put_le32(skb, base + data[i].reg); + skb_put_le32(skb, data[i].value); + } + + ret = mt76x0_mcu_msg_send(dev, skb, CMD_RANDOM_WRITE, cnt == n); + if (ret) + return ret; + + return mt76x0_write_reg_pairs(dev, base, data + cnt, n - cnt); +} + +int mt76x0_read_reg_pairs(struct mt76x0_dev *dev, u32 base, + struct mt76_reg_pair *data, int n) +{ + const int max_vals_per_cmd = INBAND_PACKET_MAX_LEN / 8; + struct sk_buff *skb; + int cnt, i, ret; + + if (!n) + return 0; + + cnt = min(max_vals_per_cmd, n); + if (cnt != n) + return -EINVAL; + + skb = alloc_skb(cnt * 8 + MT_DMA_HDR_LEN + 4, GFP_KERNEL); + if (!skb) + return -ENOMEM; + skb_reserve(skb, MT_DMA_HDR_LEN); + + for (i = 0; i < cnt; i++) { + skb_put_le32(skb, base + data[i].reg); + skb_put_le32(skb, data[i].value); + } + + mutex_lock(&dev->mcu.mutex); + + dev->mcu.reg_pairs = data; + dev->mcu.reg_pairs_len = n; + dev->mcu.reg_base = base; + dev->mcu.burst_read = false; + + ret = __mt76x0_mcu_msg_send(dev, skb, CMD_RANDOM_READ, true); + + dev->mcu.reg_pairs = NULL; + + mutex_unlock(&dev->mcu.mutex); + + consume_skb(skb); + + return ret; + +} + +int mt76x0_burst_write_regs(struct mt76x0_dev *dev, u32 offset, + const u32 *data, int n) +{ + const int max_regs_per_cmd = INBAND_PACKET_MAX_LEN / 4 - 1; + struct sk_buff *skb; + int cnt, i, ret; + + if (!n) + return 0; + + cnt = min(max_regs_per_cmd, n); + + skb = alloc_skb(cnt * 4 + MT_DMA_HDR_LEN + 4, GFP_KERNEL); + if (!skb) + return -ENOMEM; + skb_reserve(skb, MT_DMA_HDR_LEN); + + skb_put_le32(skb, MT_MCU_MEMMAP_WLAN + offset); + for (i = 0; i < cnt; i++) + skb_put_le32(skb, data[i]); + + ret = mt76x0_mcu_msg_send(dev, skb, CMD_BURST_WRITE, cnt == n); + if (ret) + return ret; + + return mt76x0_burst_write_regs(dev, offset + cnt * 4, + data + cnt, n - cnt); +} + +#if 0 +static int mt76x0_burst_read_regs(struct mt76x0_dev *dev, u32 base, + struct mt76_reg_pair *data, int n) +{ + const int max_vals_per_cmd = INBAND_PACKET_MAX_LEN / 4 - 1; + struct sk_buff *skb; + int cnt, ret; + + if (!n) + return 0; + + cnt = min(max_vals_per_cmd, n); + if (cnt != n) + return -EINVAL; + + skb = alloc_skb(cnt * 4 + MT_DMA_HDR_LEN + 4, GFP_KERNEL); + if (!skb) + return -ENOMEM; + skb_reserve(skb, MT_DMA_HDR_LEN); + + skb_put_le32(skb, base + data[0].reg); + skb_put_le32(skb, n); + + mutex_lock(&dev->mcu.mutex); + + dev->mcu.reg_pairs = data; + dev->mcu.reg_pairs_len = n; + dev->mcu.reg_base = base; + dev->mcu.burst_read = true; + + ret = __mt76x0_mcu_msg_send(dev, skb, CMD_BURST_READ, true); + + dev->mcu.reg_pairs = NULL; + + mutex_unlock(&dev->mcu.mutex); + + consume_skb(skb); + + return ret; +} +#endif + +struct mt76_fw_header { + __le32 ilm_len; + __le32 dlm_len; + __le16 build_ver; + __le16 fw_ver; + u8 pad[4]; + char build_time[16]; +}; + +struct mt76_fw { + struct mt76_fw_header hdr; + u8 ivb[MT_MCU_IVB_SIZE]; + u8 ilm[]; +}; + +static int __mt76x0_dma_fw(struct mt76x0_dev *dev, + const struct mt76x0_dma_buf *dma_buf, + const void *data, u32 len, u32 dst_addr) +{ + DECLARE_COMPLETION_ONSTACK(cmpl); + struct mt76x0_dma_buf buf = *dma_buf; /* we need to fake length */ + __le32 reg; + u32 val; + int ret; + + reg = cpu_to_le32(FIELD_PREP(MT_TXD_INFO_TYPE, DMA_COMMAND) | + FIELD_PREP(MT_TXD_INFO_D_PORT, CPU_TX_PORT) | + FIELD_PREP(MT_TXD_INFO_LEN, len)); + memcpy(buf.buf, ®, sizeof(reg)); + memcpy(buf.buf + sizeof(reg), data, len); + memset(buf.buf + sizeof(reg) + len, 0, 8); + + ret = mt76x0_vendor_single_wr(dev, MT_VEND_WRITE_FCE, + MT_FCE_DMA_ADDR, dst_addr); + if (ret) + return ret; + len = roundup(len, 4); + ret = mt76x0_vendor_single_wr(dev, MT_VEND_WRITE_FCE, + MT_FCE_DMA_LEN, len << 16); + if (ret) + return ret; + + buf.len = MT_DMA_HDR_LEN + len + 4; + ret = mt76x0_usb_submit_buf(dev, USB_DIR_OUT, MT_EP_OUT_INBAND_CMD, + &buf, GFP_KERNEL, + mt76x0_complete_urb, &cmpl); + if (ret) + return ret; + + if (!wait_for_completion_timeout(&cmpl, msecs_to_jiffies(1000))) { + dev_err(dev->mt76.dev, "Error: firmware upload timed out\n"); + usb_kill_urb(buf.urb); + return -ETIMEDOUT; + } + if (mt76x0_urb_has_error(buf.urb)) { + dev_err(dev->mt76.dev, "Error: firmware upload urb failed:%d\n", + buf.urb->status); + return buf.urb->status; + } + + val = mt76_rr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX); + val++; + mt76_wr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX, val); + + msleep(5); + + return 0; +} + +static int +mt76x0_dma_fw(struct mt76x0_dev *dev, struct mt76x0_dma_buf *dma_buf, + const void *data, int len, u32 dst_addr) +{ + int n, ret; + + if (len == 0) + return 0; + + n = min(MCU_FW_URB_MAX_PAYLOAD, len); + ret = __mt76x0_dma_fw(dev, dma_buf, data, n, dst_addr); + if (ret) + return ret; + +#if 0 + if (!mt76_poll_msec(dev, MT_MCU_COM_REG1, BIT(31), BIT(31), 500)) + return -ETIMEDOUT; +#endif + + return mt76x0_dma_fw(dev, dma_buf, data + n, len - n, dst_addr + n); +} + +static int +mt76x0_upload_firmware(struct mt76x0_dev *dev, const struct mt76_fw *fw) +{ + struct mt76x0_dma_buf dma_buf; + void *ivb; + u32 ilm_len, dlm_len; + int i, ret; + + ivb = kmemdup(fw->ivb, sizeof(fw->ivb), GFP_KERNEL); + if (!ivb) + return -ENOMEM; + if (mt76x0_usb_alloc_buf(dev, MCU_FW_URB_SIZE, &dma_buf)) { + ret = -ENOMEM; + goto error; + } + + ilm_len = le32_to_cpu(fw->hdr.ilm_len) - sizeof(fw->ivb); + dev_dbg(dev->mt76.dev, "loading FW - ILM %u + IVB %zu\n", + ilm_len, sizeof(fw->ivb)); + ret = mt76x0_dma_fw(dev, &dma_buf, fw->ilm, ilm_len, sizeof(fw->ivb)); + if (ret) + goto error; + + dlm_len = le32_to_cpu(fw->hdr.dlm_len); + dev_dbg(dev->mt76.dev, "loading FW - DLM %u\n", dlm_len); + ret = mt76x0_dma_fw(dev, &dma_buf, fw->ilm + ilm_len, + dlm_len, MT_MCU_DLM_OFFSET); + if (ret) + goto error; + + ret = mt76x0_vendor_request(dev, MT_VEND_DEV_MODE, USB_DIR_OUT, + 0x12, 0, ivb, sizeof(fw->ivb)); + if (ret < 0) + goto error; + ret = 0; + + for (i = 100; i && !firmware_running(dev); i--) + msleep(10); + if (!i) { + ret = -ETIMEDOUT; + goto error; + } + + dev_dbg(dev->mt76.dev, "Firmware running!\n"); +error: + kfree(ivb); + mt76x0_usb_free_buf(dev, &dma_buf); + + return ret; +} + +static int mt76x0_load_firmware(struct mt76x0_dev *dev) +{ + const struct firmware *fw; + const struct mt76_fw_header *hdr; + int len, ret; + u32 val; + + mt76_wr(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN)); + + if (firmware_running(dev)) + return 0; + + ret = request_firmware(&fw, MT7610_FIRMWARE, dev->mt76.dev); + if (ret) + return ret; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) + goto err_inv_fw; + + hdr = (const struct mt76_fw_header *) fw->data; + + if (le32_to_cpu(hdr->ilm_len) <= MT_MCU_IVB_SIZE) + goto err_inv_fw; + + len = sizeof(*hdr); + len += le32_to_cpu(hdr->ilm_len); + len += le32_to_cpu(hdr->dlm_len); + + if (fw->size != len) + goto err_inv_fw; + + val = le16_to_cpu(hdr->fw_ver); + dev_dbg(dev->mt76.dev, + "Firmware Version: %d.%d.%02d Build: %x Build time: %.16s\n", + (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf, + le16_to_cpu(hdr->build_ver), hdr->build_time); + + len = le32_to_cpu(hdr->ilm_len); + + mt76_wr(dev, 0x1004, 0x2c); + + mt76_set(dev, MT_USB_DMA_CFG, (MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN) | + FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20)); + mt76x0_vendor_reset(dev); + msleep(5); +/* + mt76x0_rmw(dev, MT_PBF_CFG, 0, (MT_PBF_CFG_TX0Q_EN | + MT_PBF_CFG_TX1Q_EN | + MT_PBF_CFG_TX2Q_EN | + MT_PBF_CFG_TX3Q_EN)); +*/ + + mt76_wr(dev, MT_FCE_PSE_CTRL, 1); + + /* FCE tx_fs_base_ptr */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); + /* FCE tx_fs_max_cnt */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 1); + /* FCE pdma enable */ + mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); + /* FCE skip_fs_en */ + mt76_wr(dev, MT_FCE_SKIP_FS, 3); + + val = mt76_rr(dev, MT_USB_DMA_CFG); + val |= MT_USB_DMA_CFG_TX_WL_DROP; + mt76_wr(dev, MT_USB_DMA_CFG, val); + val &= ~MT_USB_DMA_CFG_TX_WL_DROP; + mt76_wr(dev, MT_USB_DMA_CFG, val); + + ret = mt76x0_upload_firmware(dev, (const struct mt76_fw *)fw->data); + release_firmware(fw); + + mt76_wr(dev, MT_FCE_PSE_CTRL, 1); + + return ret; + +err_inv_fw: + dev_err(dev->mt76.dev, "Invalid firmware image\n"); + release_firmware(fw); + return -ENOENT; +} + +int mt76x0_mcu_init(struct mt76x0_dev *dev) +{ + int ret; + + mutex_init(&dev->mcu.mutex); + + ret = mt76x0_load_firmware(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state); + + return 0; +} + +int mt76x0_mcu_cmd_init(struct mt76x0_dev *dev) +{ + int ret; + + ret = mt76x0_mcu_function_select(dev, Q_SELECT, 1); + if (ret) + return ret; + + init_completion(&dev->mcu.resp_cmpl); + if (mt76x0_usb_alloc_buf(dev, MCU_RESP_URB_SIZE, &dev->mcu.resp)) { + mt76x0_usb_free_buf(dev, &dev->mcu.resp); + return -ENOMEM; + } + + ret = mt76x0_usb_submit_buf(dev, USB_DIR_IN, MT_EP_IN_CMD_RESP, + &dev->mcu.resp, GFP_KERNEL, + mt76x0_complete_urb, &dev->mcu.resp_cmpl); + if (ret) { + mt76x0_usb_free_buf(dev, &dev->mcu.resp); + return ret; + } + + return 0; +} + +void mt76x0_mcu_cmd_deinit(struct mt76x0_dev *dev) +{ + usb_kill_urb(dev->mcu.resp.urb); + mt76x0_usb_free_buf(dev, &dev->mcu.resp); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h new file mode 100644 index 000000000000..8c2f77f4c3f5 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mcu.h @@ -0,0 +1,101 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76X0U_MCU_H +#define __MT76X0U_MCU_H + +struct mt76x0_dev; + +/* Register definitions */ +#define MT_MCU_RESET_CTL 0x070C +#define MT_MCU_INT_LEVEL 0x0718 +#define MT_MCU_COM_REG0 0x0730 +#define MT_MCU_COM_REG1 0x0734 +#define MT_MCU_COM_REG2 0x0738 +#define MT_MCU_COM_REG3 0x073C + +#define MT_MCU_IVB_SIZE 0x40 +#define MT_MCU_DLM_OFFSET 0x80000 + +#define MT_MCU_MEMMAP_WLAN 0x00410000 +/* We use same space for BBP as for MAC regs + * #define MT_MCU_MEMMAP_BBP 0x40000000 + */ +#define MT_MCU_MEMMAP_RF 0x80000000 + +#define INBAND_PACKET_MAX_LEN 192 + +enum mcu_cmd { + CMD_FUN_SET_OP = 1, + CMD_LOAD_CR = 2, + CMD_INIT_GAIN_OP = 3, + CMD_DYNC_VGA_OP = 6, + CMD_TDLS_CH_SW = 7, + CMD_BURST_WRITE = 8, + CMD_READ_MODIFY_WRITE = 9, + CMD_RANDOM_READ = 10, + CMD_BURST_READ = 11, + CMD_RANDOM_WRITE = 12, + CMD_LED_MODE_OP = 16, + CMD_POWER_SAVING_OP = 20, + CMD_WOW_CONFIG = 21, + CMD_WOW_QUERY = 22, + CMD_WOW_FEATURE = 24, + CMD_CARRIER_DETECT_OP = 28, + CMD_RADOR_DETECT_OP = 29, + CMD_SWITCH_CHANNEL_OP = 30, + CMD_CALIBRATION_OP = 31, + CMD_BEACON_OP = 32, + CMD_ANTENNA_OP = 33, +}; + +enum mcu_function { + Q_SELECT = 1, + BW_SETTING = 2, + ATOMIC_TSSI_SETTING = 5, +}; + +enum mcu_power_mode { + RADIO_OFF = 0x30, + RADIO_ON = 0x31, + RADIO_OFF_AUTO_WAKEUP = 0x32, + RADIO_OFF_ADVANCE = 0x33, + RADIO_ON_ADVANCE = 0x34, +}; + +enum mcu_calibrate { + MCU_CAL_R = 1, + MCU_CAL_RXDCOC, + MCU_CAL_LC, + MCU_CAL_LOFT, + MCU_CAL_TXIQ, + MCU_CAL_BW, + MCU_CAL_DPD, + MCU_CAL_RXIQ, + MCU_CAL_TXDCOC, + MCU_CAL_RX_GROUP_DELAY, + MCU_CAL_TX_GROUP_DELAY, +}; + +int mt76x0_mcu_init(struct mt76x0_dev *dev); +int mt76x0_mcu_cmd_init(struct mt76x0_dev *dev); +void mt76x0_mcu_cmd_deinit(struct mt76x0_dev *dev); + +int +mt76x0_mcu_calibrate(struct mt76x0_dev *dev, enum mcu_calibrate cal, u32 val); + +int +mt76x0_mcu_function_select(struct mt76x0_dev *dev, enum mcu_function func, u32 val); + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h new file mode 100644 index 000000000000..fc9857f61771 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h @@ -0,0 +1,330 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef MT76X0U_H +#define MT76X0U_H + +#include <linux/bitfield.h> +#include <linux/kernel.h> +#include <linux/device.h> +#include <linux/mutex.h> +#include <linux/usb.h> +#include <linux/completion.h> +#include <net/mac80211.h> +#include <linux/debugfs.h> + +#include "../mt76.h" +#include "regs.h" + +#define MT_CALIBRATE_INTERVAL (4 * HZ) + +#define MT_FREQ_CAL_INIT_DELAY (30 * HZ) +#define MT_FREQ_CAL_CHECK_INTERVAL (10 * HZ) +#define MT_FREQ_CAL_ADJ_INTERVAL (HZ / 2) + +#define MT_BBP_REG_VERSION 0x00 + +#define MT_USB_AGGR_SIZE_LIMIT 21 /* * 1024B */ +#define MT_USB_AGGR_TIMEOUT 0x80 /* * 33ns */ +#define MT_RX_ORDER 3 +#define MT_RX_URB_SIZE (PAGE_SIZE << MT_RX_ORDER) + +struct mt76x0_dma_buf { + struct urb *urb; + void *buf; + dma_addr_t dma; + size_t len; +}; + +struct mt76x0_mcu { + struct mutex mutex; + + u8 msg_seq; + + struct mt76x0_dma_buf resp; + struct completion resp_cmpl; + + struct mt76_reg_pair *reg_pairs; + unsigned int reg_pairs_len; + u32 reg_base; + bool burst_read; +}; + +struct mac_stats { + u64 rx_stat[6]; + u64 tx_stat[6]; + u64 aggr_stat[2]; + u64 aggr_n[32]; + u64 zero_len_del[2]; +}; + +#define N_RX_ENTRIES 16 +struct mt76x0_rx_queue { + struct mt76x0_dev *dev; + + struct mt76x0_dma_buf_rx { + struct urb *urb; + struct page *p; + } e[N_RX_ENTRIES]; + + unsigned int start; + unsigned int end; + unsigned int entries; + unsigned int pending; +}; + +#define N_TX_ENTRIES 64 + +struct mt76x0_tx_queue { + struct mt76x0_dev *dev; + + struct mt76x0_dma_buf_tx { + struct urb *urb; + struct sk_buff *skb; + } e[N_TX_ENTRIES]; + + unsigned int start; + unsigned int end; + unsigned int entries; + unsigned int used; + unsigned int fifo_seq; +}; + +/* WCID allocation: + * 0: mcast wcid + * 1: bssid wcid + * 1...: STAs + * ...7e: group wcids + * 7f: reserved + */ +#define N_WCIDS 128 +#define GROUP_WCID(idx) (254 - idx) + +struct mt76x0_eeprom_params; + +#define MT_EE_TEMPERATURE_SLOPE 39 +#define MT_FREQ_OFFSET_INVALID -128 + +/* addr req mask */ +#define MT_VEND_TYPE_EEPROM BIT(31) +#define MT_VEND_TYPE_CFG BIT(30) +#define MT_VEND_TYPE_MASK (MT_VEND_TYPE_EEPROM | MT_VEND_TYPE_CFG) + +#define MT_VEND_ADDR(type, n) (MT_VEND_TYPE_##type | (n)) + +enum mt_bw { + MT_BW_20, + MT_BW_40, +}; + +/** + * struct mt76x0_dev - adapter structure + * @lock: protects @wcid->tx_rate. + * @mac_lock: locks out mac80211's tx status and rx paths. + * @tx_lock: protects @tx_q and changes of MT76_STATE_*_STATS + * flags in @state. + * @rx_lock: protects @rx_q. + * @con_mon_lock: protects @ap_bssid, @bcn_*, @avg_rssi. + * @mutex: ensures exclusive access from mac80211 callbacks. + * @reg_atomic_mutex: ensures atomicity of indirect register accesses + * (accesses to RF and BBP). + * @hw_atomic_mutex: ensures exclusive access to HW during critical + * operations (power management, channel switch). + */ +struct mt76x0_dev { + struct mt76_dev mt76; /* must be first */ + + struct mutex mutex; + + struct mutex usb_ctrl_mtx; + u8 data[32]; + + struct tasklet_struct rx_tasklet; + struct tasklet_struct tx_tasklet; + + u8 out_ep[__MT_EP_OUT_MAX]; + u16 out_max_packet; + u8 in_ep[__MT_EP_IN_MAX]; + u16 in_max_packet; + + unsigned long wcid_mask[DIV_ROUND_UP(N_WCIDS, BITS_PER_LONG)]; + unsigned long vif_mask; + + struct mt76x0_mcu mcu; + + struct delayed_work cal_work; + struct delayed_work mac_work; + + struct workqueue_struct *stat_wq; + struct delayed_work stat_work; + + struct mt76_wcid *mon_wcid; + struct mt76_wcid __rcu *wcid[N_WCIDS]; + + spinlock_t mac_lock; + + const u16 *beacon_offsets; + + u8 macaddr[ETH_ALEN]; + struct mt76x0_eeprom_params *ee; + + struct mutex reg_atomic_mutex; + struct mutex hw_atomic_mutex; + + u32 rxfilter; + u32 debugfs_reg; + + /* TX */ + spinlock_t tx_lock; + struct mt76x0_tx_queue *tx_q; + struct sk_buff_head tx_skb_done; + + atomic_t avg_ampdu_len; + + /* RX */ + spinlock_t rx_lock; + struct mt76x0_rx_queue rx_q; + + /* Connection monitoring things */ + spinlock_t con_mon_lock; + u8 ap_bssid[ETH_ALEN]; + + s8 bcn_freq_off; + u8 bcn_phy_mode; + + int avg_rssi; /* starts at 0 and converges */ + + u8 agc_save; + u16 chainmask; + + struct mac_stats stats; +}; + +struct mt76x0_wcid { + u8 idx; + u8 hw_key_idx; + + u16 tx_rate; + bool tx_rate_set; + u8 tx_rate_nss; +}; + +struct mt76_vif { + u8 idx; + + struct mt76_wcid group_wcid; +}; + +struct mt76_tx_status { + u8 valid:1; + u8 success:1; + u8 aggr:1; + u8 ack_req:1; + u8 is_probe:1; + u8 wcid; + u8 pktid; + u8 retry; + u16 rate; +} __packed __aligned(2); + +struct mt76_sta { + struct mt76_wcid wcid; + struct mt76_tx_status status; + int n_frames; + u16 agg_ssn[IEEE80211_NUM_TIDS]; +}; + +struct mt76_reg_pair { + u32 reg; + u32 value; +}; + +struct mt76x0_rxwi; + +extern const struct ieee80211_ops mt76x0_ops; + +static inline bool is_mt7610e(struct mt76x0_dev *dev) +{ + /* TODO */ + return false; +} + +void mt76x0_init_debugfs(struct mt76x0_dev *dev); + +int mt76x0_wait_asic_ready(struct mt76x0_dev *dev); + +/* Compatibility with mt76 */ +#define mt76_rmw_field(_dev, _reg, _field, _val) \ + mt76_rmw(_dev, _reg, _field, FIELD_PREP(_field, _val)) + +int mt76x0_write_reg_pairs(struct mt76x0_dev *dev, u32 base, + const struct mt76_reg_pair *data, int len); +int mt76x0_read_reg_pairs(struct mt76x0_dev *dev, u32 base, + struct mt76_reg_pair *data, int len); +int mt76x0_burst_write_regs(struct mt76x0_dev *dev, u32 offset, + const u32 *data, int n); +void mt76x0_addr_wr(struct mt76x0_dev *dev, const u32 offset, const u8 *addr); + +/* Init */ +struct mt76x0_dev *mt76x0_alloc_device(struct device *dev); +int mt76x0_init_hardware(struct mt76x0_dev *dev); +int mt76x0_register_device(struct mt76x0_dev *dev); +void mt76x0_cleanup(struct mt76x0_dev *dev); +void mt76x0_chip_onoff(struct mt76x0_dev *dev, bool enable, bool reset); + +int mt76x0_mac_start(struct mt76x0_dev *dev); +void mt76x0_mac_stop(struct mt76x0_dev *dev); + +/* PHY */ +void mt76x0_phy_init(struct mt76x0_dev *dev); +int mt76x0_wait_bbp_ready(struct mt76x0_dev *dev); +void mt76x0_agc_save(struct mt76x0_dev *dev); +void mt76x0_agc_restore(struct mt76x0_dev *dev); +int mt76x0_phy_set_channel(struct mt76x0_dev *dev, + struct cfg80211_chan_def *chandef); +void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev); +int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi); +void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev, + struct ieee80211_bss_conf *info); + +/* MAC */ +void mt76x0_mac_work(struct work_struct *work); +void mt76x0_mac_set_protection(struct mt76x0_dev *dev, bool legacy_prot, + int ht_mode); +void mt76x0_mac_set_short_preamble(struct mt76x0_dev *dev, bool short_preamb); +void mt76x0_mac_config_tsf(struct mt76x0_dev *dev, bool enable, int interval); +void +mt76x0_mac_wcid_setup(struct mt76x0_dev *dev, u8 idx, u8 vif_idx, u8 *mac); +void mt76x0_mac_set_ampdu_factor(struct mt76x0_dev *dev); + +/* TX */ +void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, + struct sk_buff *skb); +int mt76x0_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u16 queue, const struct ieee80211_tx_queue_params *params); +void mt76x0_tx_status(struct mt76x0_dev *dev, struct sk_buff *skb); +void mt76x0_tx_stat(struct work_struct *work); + +/* util */ +void mt76x0_remove_hdr_pad(struct sk_buff *skb); +int mt76x0_insert_hdr_pad(struct sk_buff *skb); + +int mt76x0_dma_init(struct mt76x0_dev *dev); +void mt76x0_dma_cleanup(struct mt76x0_dev *dev); + +int mt76x0_dma_enqueue_tx(struct mt76x0_dev *dev, struct sk_buff *skb, + struct mt76_wcid *wcid, int hw_q); + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c new file mode 100644 index 000000000000..5da7bfbe907f --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.c @@ -0,0 +1,1008 @@ +/* + * (c) Copyright 2002-2010, Ralink Technology, Inc. + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" +#include "mcu.h" +#include "eeprom.h" +#include "trace.h" +#include "phy.h" +#include "initvals.h" +#include "initvals_phy.h" + +#include <linux/etherdevice.h> + +static int +mt76x0_rf_csr_wr(struct mt76x0_dev *dev, u32 offset, u8 value) +{ + int ret = 0; + u8 bank, reg; + + if (test_bit(MT76_REMOVED, &dev->mt76.state)) + return -ENODEV; + + bank = MT_RF_BANK(offset); + reg = MT_RF_REG(offset); + + if (WARN_ON_ONCE(reg > 64) || WARN_ON_ONCE(bank) > 8) + return -EINVAL; + + mutex_lock(&dev->reg_atomic_mutex); + + if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) { + ret = -ETIMEDOUT; + goto out; + } + + mt76_wr(dev, MT_RF_CSR_CFG, + FIELD_PREP(MT_RF_CSR_CFG_DATA, value) | + FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) | + FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) | + MT_RF_CSR_CFG_WR | + MT_RF_CSR_CFG_KICK); + trace_mt76x0_rf_write(&dev->mt76, bank, offset, value); +out: + mutex_unlock(&dev->reg_atomic_mutex); + + if (ret < 0) + dev_err(dev->mt76.dev, "Error: RF write %d:%d failed:%d!!\n", + bank, reg, ret); + + return ret; +} + +static int +mt76x0_rf_csr_rr(struct mt76x0_dev *dev, u32 offset) +{ + int ret = -ETIMEDOUT; + u32 val; + u8 bank, reg; + + if (test_bit(MT76_REMOVED, &dev->mt76.state)) + return -ENODEV; + + bank = MT_RF_BANK(offset); + reg = MT_RF_REG(offset); + + if (WARN_ON_ONCE(reg > 64) || WARN_ON_ONCE(bank) > 8) + return -EINVAL; + + mutex_lock(&dev->reg_atomic_mutex); + + if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) + goto out; + + mt76_wr(dev, MT_RF_CSR_CFG, + FIELD_PREP(MT_RF_CSR_CFG_REG_BANK, bank) | + FIELD_PREP(MT_RF_CSR_CFG_REG_ID, reg) | + MT_RF_CSR_CFG_KICK); + + if (!mt76_poll(dev, MT_RF_CSR_CFG, MT_RF_CSR_CFG_KICK, 0, 100)) + goto out; + + val = mt76_rr(dev, MT_RF_CSR_CFG); + if (FIELD_GET(MT_RF_CSR_CFG_REG_ID, val) == reg && + FIELD_GET(MT_RF_CSR_CFG_REG_BANK, val) == bank) { + ret = FIELD_GET(MT_RF_CSR_CFG_DATA, val); + trace_mt76x0_rf_read(&dev->mt76, bank, offset, ret); + } +out: + mutex_unlock(&dev->reg_atomic_mutex); + + if (ret < 0) + dev_err(dev->mt76.dev, "Error: RF read %d:%d failed:%d!!\n", + bank, reg, ret); + + return ret; +} + +static int +rf_wr(struct mt76x0_dev *dev, u32 offset, u8 val) +{ + if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state)) { + struct mt76_reg_pair pair = { + .reg = offset, + .value = val, + }; + + return mt76x0_write_reg_pairs(dev, MT_MCU_MEMMAP_RF, &pair, 1); + } else { + WARN_ON_ONCE(1); + return mt76x0_rf_csr_wr(dev, offset, val); + } +} + +static int +rf_rr(struct mt76x0_dev *dev, u32 offset) +{ + int ret; + u32 val; + + if (test_bit(MT76_STATE_MCU_RUNNING, &dev->mt76.state)) { + struct mt76_reg_pair pair = { + .reg = offset, + }; + + ret = mt76x0_read_reg_pairs(dev, MT_MCU_MEMMAP_RF, &pair, 1); + val = pair.value; + } else { + WARN_ON_ONCE(1); + ret = val = mt76x0_rf_csr_rr(dev, offset); + } + + return (ret < 0) ? ret : val; +} + +static int +rf_rmw(struct mt76x0_dev *dev, u32 offset, u8 mask, u8 val) +{ + int ret; + + ret = rf_rr(dev, offset); + if (ret < 0) + return ret; + val |= ret & ~mask; + ret = rf_wr(dev, offset, val); + if (ret) + return ret; + + return val; +} + +static int +rf_set(struct mt76x0_dev *dev, u32 offset, u8 val) +{ + return rf_rmw(dev, offset, 0, val); +} + +#if 0 +static int +rf_clear(struct mt76x0_dev *dev, u32 offset, u8 mask) +{ + return rf_rmw(dev, offset, mask, 0); +} +#endif + +#define RF_RANDOM_WRITE(dev, tab) \ + mt76x0_write_reg_pairs(dev, MT_MCU_MEMMAP_RF, tab, ARRAY_SIZE(tab)); + +int mt76x0_wait_bbp_ready(struct mt76x0_dev *dev) +{ + int i = 20; + u32 val; + + do { + val = mt76_rr(dev, MT_BBP(CORE, 0)); + printk("BBP version %08x\n", val); + if (val && ~val) + break; + } while (--i); + + if (!i) { + dev_err(dev->mt76.dev, "Error: BBP is not ready\n"); + return -EIO; + } + + return 0; +} + +static void +mt76x0_bbp_set_ctrlch(struct mt76x0_dev *dev, enum nl80211_chan_width width, + u8 ctrl) +{ + int core_val, agc_val; + + switch (width) { + case NL80211_CHAN_WIDTH_80: + core_val = 3; + agc_val = 7; + break; + case NL80211_CHAN_WIDTH_40: + core_val = 2; + agc_val = 3; + break; + default: + core_val = 0; + agc_val = 1; + break; + } + + mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val); + mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val); + mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl); + mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl); +} + +int mt76x0_phy_get_rssi(struct mt76x0_dev *dev, struct mt76x0_rxwi *rxwi) +{ + s8 lna_gain, rssi_offset; + int val; + + if (dev->mt76.chandef.chan->band == NL80211_BAND_2GHZ) { + lna_gain = dev->ee->lna_gain_2ghz; + rssi_offset = dev->ee->rssi_offset_2ghz[0]; + } else { + lna_gain = dev->ee->lna_gain_5ghz[0]; + rssi_offset = dev->ee->rssi_offset_5ghz[0]; + } + + val = rxwi->rssi[0] + rssi_offset - lna_gain; + + return val; +} + +static void mt76x0_vco_cal(struct mt76x0_dev *dev, u8 channel) +{ + u8 val; + + val = rf_rr(dev, MT_RF(0, 4)); + if ((val & 0x70) != 0x30) + return; + + /* + * Calibration Mode - Open loop, closed loop, and amplitude: + * B0.R06.[0]: 1 + * B0.R06.[3:1] bp_close_code: 100 + * B0.R05.[7:0] bp_open_code: 0x0 + * B0.R04.[2:0] cal_bits: 000 + * B0.R03.[2:0] startup_time: 011 + * B0.R03.[6:4] settle_time: + * 80MHz channel: 110 + * 40MHz channel: 101 + * 20MHz channel: 100 + */ + val = rf_rr(dev, MT_RF(0, 6)); + val &= ~0xf; + val |= 0x09; + rf_wr(dev, MT_RF(0, 6), val); + + val = rf_rr(dev, MT_RF(0, 5)); + if (val != 0) + rf_wr(dev, MT_RF(0, 5), 0x0); + + val = rf_rr(dev, MT_RF(0, 4)); + val &= ~0x07; + rf_wr(dev, MT_RF(0, 4), val); + + val = rf_rr(dev, MT_RF(0, 3)); + val &= ~0x77; + if (channel == 1 || channel == 7 || channel == 9 || channel >= 13) { + val |= 0x63; + } else if (channel == 3 || channel == 4 || channel == 10) { + val |= 0x53; + } else if (channel == 2 || channel == 5 || channel == 6 || + channel == 8 || channel == 11 || channel == 12) { + val |= 0x43; + } else { + WARN(1, "Unknown channel %u\n", channel); + return; + } + rf_wr(dev, MT_RF(0, 3), val); + + /* TODO replace by mt76x0_rf_set(dev, MT_RF(0, 4), BIT(7)); */ + val = rf_rr(dev, MT_RF(0, 4)); + val = ((val & ~(0x80)) | 0x80); + rf_wr(dev, MT_RF(0, 4), val); + + msleep(2); +} + +static void +mt76x0_mac_set_ctrlch(struct mt76x0_dev *dev, bool primary_upper) +{ + mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M, + primary_upper); +} + +static void +mt76x0_phy_set_band(struct mt76x0_dev *dev, enum nl80211_band band) +{ + switch (band) { + case NL80211_BAND_2GHZ: + RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab); + + rf_wr(dev, MT_RF(5, 0), 0x45); + rf_wr(dev, MT_RF(6, 0), 0x44); + + mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); + mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); + + mt76_wr(dev, MT_TX_ALC_VGA3, 0x00050007); + mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x003E0002); + break; + case NL80211_BAND_5GHZ: + RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab); + + rf_wr(dev, MT_RF(5, 0), 0x44); + rf_wr(dev, MT_RF(6, 0), 0x45); + + mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); + mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); + + mt76_wr(dev, MT_TX_ALC_VGA3, 0x00000005); + mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x01010102); + break; + default: + break; + } +} + +#define EXT_PA_2G_5G 0x0 +#define EXT_PA_5G_ONLY 0x1 +#define EXT_PA_2G_ONLY 0x2 +#define INT_PA_2G_5G 0x3 + +static void +mt76x0_phy_set_chan_rf_params(struct mt76x0_dev *dev, u8 channel, u16 rf_bw_band) +{ + u16 rf_band = rf_bw_band & 0xff00; + u16 rf_bw = rf_bw_band & 0x00ff; + u32 mac_reg; + u8 rf_val; + int i; + bool bSDM = false; + const struct mt76x0_freq_item *freq_item; + + for (i = 0; i < ARRAY_SIZE(mt76x0_sdm_channel); i++) { + if (channel == mt76x0_sdm_channel[i]) { + bSDM = true; + break; + } + } + + for (i = 0; i < ARRAY_SIZE(mt76x0_frequency_plan); i++) { + if (channel == mt76x0_frequency_plan[i].channel) { + rf_band = mt76x0_frequency_plan[i].band; + + if (bSDM) + freq_item = &(mt76x0_sdm_frequency_plan[i]); + else + freq_item = &(mt76x0_frequency_plan[i]); + + rf_wr(dev, MT_RF(0, 37), freq_item->pllR37); + rf_wr(dev, MT_RF(0, 36), freq_item->pllR36); + rf_wr(dev, MT_RF(0, 35), freq_item->pllR35); + rf_wr(dev, MT_RF(0, 34), freq_item->pllR34); + rf_wr(dev, MT_RF(0, 33), freq_item->pllR33); + + rf_val = rf_rr(dev, MT_RF(0, 32)); + rf_val &= ~0xE0; + rf_val |= freq_item->pllR32_b7b5; + rf_wr(dev, MT_RF(0, 32), rf_val); + + /* R32<4:0> pll_den: (Denomina - 8) */ + rf_val = rf_rr(dev, MT_RF(0, 32)); + rf_val &= ~0x1F; + rf_val |= freq_item->pllR32_b4b0; + rf_wr(dev, MT_RF(0, 32), rf_val); + + /* R31<7:5> */ + rf_val = rf_rr(dev, MT_RF(0, 31)); + rf_val &= ~0xE0; + rf_val |= freq_item->pllR31_b7b5; + rf_wr(dev, MT_RF(0, 31), rf_val); + + /* R31<4:0> pll_k(Nominator) */ + rf_val = rf_rr(dev, MT_RF(0, 31)); + rf_val &= ~0x1F; + rf_val |= freq_item->pllR31_b4b0; + rf_wr(dev, MT_RF(0, 31), rf_val); + + /* R30<7> sdm_reset_n */ + rf_val = rf_rr(dev, MT_RF(0, 30)); + rf_val &= ~0x80; + if (bSDM) { + rf_wr(dev, MT_RF(0, 30), rf_val); + rf_val |= 0x80; + rf_wr(dev, MT_RF(0, 30), rf_val); + } else { + rf_val |= freq_item->pllR30_b7; + rf_wr(dev, MT_RF(0, 30), rf_val); + } + + /* R30<6:2> sdmmash_prbs,sin */ + rf_val = rf_rr(dev, MT_RF(0, 30)); + rf_val &= ~0x7C; + rf_val |= freq_item->pllR30_b6b2; + rf_wr(dev, MT_RF(0, 30), rf_val); + + /* R30<1> sdm_bp */ + rf_val = rf_rr(dev, MT_RF(0, 30)); + rf_val &= ~0x02; + rf_val |= (freq_item->pllR30_b1 << 1); + rf_wr(dev, MT_RF(0, 30), rf_val); + + /* R30<0> R29<7:0> (hex) pll_n */ + rf_val = freq_item->pll_n & 0x00FF; + rf_wr(dev, MT_RF(0, 29), rf_val); + + rf_val = rf_rr(dev, MT_RF(0, 30)); + rf_val &= ~0x1; + rf_val |= ((freq_item->pll_n >> 8) & 0x0001); + rf_wr(dev, MT_RF(0, 30), rf_val); + + /* R28<7:6> isi_iso */ + rf_val = rf_rr(dev, MT_RF(0, 28)); + rf_val &= ~0xC0; + rf_val |= freq_item->pllR28_b7b6; + rf_wr(dev, MT_RF(0, 28), rf_val); + + /* R28<5:4> pfd_dly */ + rf_val = rf_rr(dev, MT_RF(0, 28)); + rf_val &= ~0x30; + rf_val |= freq_item->pllR28_b5b4; + rf_wr(dev, MT_RF(0, 28), rf_val); + + /* R28<3:2> clksel option */ + rf_val = rf_rr(dev, MT_RF(0, 28)); + rf_val &= ~0x0C; + rf_val |= freq_item->pllR28_b3b2; + rf_wr(dev, MT_RF(0, 28), rf_val); + + /* R28<1:0> R27<7:0> R26<7:0> (hex) sdm_k */ + rf_val = freq_item->pll_sdm_k & 0x000000FF; + rf_wr(dev, MT_RF(0, 26), rf_val); + + rf_val = ((freq_item->pll_sdm_k >> 8) & 0x000000FF); + rf_wr(dev, MT_RF(0, 27), rf_val); + + rf_val = rf_rr(dev, MT_RF(0, 28)); + rf_val &= ~0x3; + rf_val |= ((freq_item->pll_sdm_k >> 16) & 0x0003); + rf_wr(dev, MT_RF(0, 28), rf_val); + + /* R24<1:0> xo_div */ + rf_val = rf_rr(dev, MT_RF(0, 24)); + rf_val &= ~0x3; + rf_val |= freq_item->pllR24_b1b0; + rf_wr(dev, MT_RF(0, 24), rf_val); + + break; + } + } + + for (i = 0; i < ARRAY_SIZE(mt76x0_rf_bw_switch_tab); i++) { + if (rf_bw == mt76x0_rf_bw_switch_tab[i].bw_band) { + rf_wr(dev, mt76x0_rf_bw_switch_tab[i].rf_bank_reg, + mt76x0_rf_bw_switch_tab[i].value); + } else if ((rf_bw == (mt76x0_rf_bw_switch_tab[i].bw_band & 0xFF)) && + (rf_band & mt76x0_rf_bw_switch_tab[i].bw_band)) { + rf_wr(dev, mt76x0_rf_bw_switch_tab[i].rf_bank_reg, + mt76x0_rf_bw_switch_tab[i].value); + } + } + + for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) { + if (mt76x0_rf_band_switch_tab[i].bw_band & rf_band) { + rf_wr(dev, mt76x0_rf_band_switch_tab[i].rf_bank_reg, + mt76x0_rf_band_switch_tab[i].value); + } + } + + mac_reg = mt76_rr(dev, MT_RF_MISC); + mac_reg &= ~0xC; /* Clear 0x518[3:2] */ + mt76_wr(dev, MT_RF_MISC, mac_reg); + + if (dev->ee->pa_type == INT_PA_2G_5G || + (dev->ee->pa_type == EXT_PA_5G_ONLY && (rf_band & RF_G_BAND)) || + (dev->ee->pa_type == EXT_PA_2G_ONLY && (rf_band & RF_A_BAND))) { + ; /* Internal PA - nothing to do. */ + } else { + /* + MT_RF_MISC (offset: 0x0518) + [2]1'b1: enable external A band PA, 1'b0: disable external A band PA + [3]1'b1: enable external G band PA, 1'b0: disable external G band PA + */ + if (rf_band & RF_A_BAND) { + mac_reg = mt76_rr(dev, MT_RF_MISC); + mac_reg |= 0x4; + mt76_wr(dev, MT_RF_MISC, mac_reg); + } else { + mac_reg = mt76_rr(dev, MT_RF_MISC); + mac_reg |= 0x8; + mt76_wr(dev, MT_RF_MISC, mac_reg); + } + + /* External PA */ + for (i = 0; i < ARRAY_SIZE(mt76x0_rf_ext_pa_tab); i++) + if (mt76x0_rf_ext_pa_tab[i].bw_band & rf_band) + rf_wr(dev, mt76x0_rf_ext_pa_tab[i].rf_bank_reg, + mt76x0_rf_ext_pa_tab[i].value); + } + + if (rf_band & RF_G_BAND) { + mt76_wr(dev, MT_TX0_RF_GAIN_ATTEN, 0x63707400); + /* Set Atten mode = 2 For G band, Disable Tx Inc dcoc. */ + mac_reg = mt76_rr(dev, MT_TX_ALC_CFG_1); + mac_reg &= 0x896400FF; + mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg); + } else { + mt76_wr(dev, MT_TX0_RF_GAIN_ATTEN, 0x686A7800); + /* Set Atten mode = 0 For Ext A band, Disable Tx Inc dcoc Cal. */ + mac_reg = mt76_rr(dev, MT_TX_ALC_CFG_1); + mac_reg &= 0x890400FF; + mt76_wr(dev, MT_TX_ALC_CFG_1, mac_reg); + } +} + +static void +mt76x0_phy_set_chan_bbp_params(struct mt76x0_dev *dev, u8 channel, u16 rf_bw_band) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(mt76x0_bbp_switch_tab); i++) { + const struct mt76x0_bbp_switch_item *item = &mt76x0_bbp_switch_tab[i]; + const struct mt76_reg_pair *pair = &item->reg_pair; + + if ((rf_bw_band & item->bw_band) != rf_bw_band) + continue; + + if (pair->reg == MT_BBP(AGC, 8)) { + u32 val = pair->value; + u8 gain = FIELD_GET(MT_BBP_AGC_GAIN, val); + + if (channel > 14) { + if (channel < 100) + gain -= dev->ee->lna_gain_5ghz[0]*2; + else if (channel < 137) + gain -= dev->ee->lna_gain_5ghz[1]*2; + else + gain -= dev->ee->lna_gain_5ghz[2]*2; + + } else { + gain -= dev->ee->lna_gain_2ghz*2; + } + + val &= ~MT_BBP_AGC_GAIN; + val |= FIELD_PREP(MT_BBP_AGC_GAIN, gain); + mt76_wr(dev, pair->reg, val); + } else { + mt76_wr(dev, pair->reg, pair->value); + } + } +} + +#if 0 +static void +mt76x0_extra_power_over_mac(struct mt76x0_dev *dev) +{ + u32 val; + + val = ((mt76_rr(dev, MT_TX_PWR_CFG_1) & 0x00003f00) >> 8); + val |= ((mt76_rr(dev, MT_TX_PWR_CFG_2) & 0x00003f00) << 8); + mt76_wr(dev, MT_TX_PWR_CFG_7, val); + + /* TODO: fix VHT */ + val = ((mt76_rr(dev, MT_TX_PWR_CFG_3) & 0x0000ff00) >> 8); + mt76_wr(dev, MT_TX_PWR_CFG_8, val); + + val = ((mt76_rr(dev, MT_TX_PWR_CFG_4) & 0x0000ff00) >> 8); + mt76_wr(dev, MT_TX_PWR_CFG_9, val); +} + +static void +mt76x0_phy_set_tx_power(struct mt76x0_dev *dev, u8 channel, u8 rf_bw_band) +{ + u32 val; + int i; + int bw = (rf_bw_band & RF_BW_20) ? 0 : 1; + + for (i = 0; i < 4; i++) { + if (channel <= 14) + val = dev->ee->tx_pwr_cfg_2g[i][bw]; + else + val = dev->ee->tx_pwr_cfg_5g[i][bw]; + + mt76_wr(dev, MT_TX_PWR_CFG_0 + 4*i, val); + } + + mt76x0_extra_power_over_mac(dev); +} +#endif + +static void +mt76x0_bbp_set_bw(struct mt76x0_dev *dev, enum nl80211_chan_width width) +{ + enum { BW_20 = 0, BW_40 = 1, BW_80 = 2, BW_10 = 4}; + int bw; + + switch (width) { + default: + case NL80211_CHAN_WIDTH_20_NOHT: + case NL80211_CHAN_WIDTH_20: + bw = BW_20; + break; + case NL80211_CHAN_WIDTH_40: + bw = BW_40; + break; + case NL80211_CHAN_WIDTH_80: + bw = BW_80; + break; + case NL80211_CHAN_WIDTH_10: + bw = BW_10; + break; + case NL80211_CHAN_WIDTH_80P80: + case NL80211_CHAN_WIDTH_160: + case NL80211_CHAN_WIDTH_5: + /* TODO error */ + return ; + } + + mt76x0_mcu_function_select(dev, BW_SETTING, bw); +} + +static void +mt76x0_phy_set_chan_pwr(struct mt76x0_dev *dev, u8 channel) +{ + static const int mt76x0_tx_pwr_ch_list[] = { + 1,2,3,4,5,6,7,8,9,10,11,12,13,14, + 36,38,40,44,46,48,52,54,56,60,62,64, + 100,102,104,108,110,112,116,118,120,124,126,128,132,134,136,140, + 149,151,153,157,159,161,165,167,169,171,173, + 42,58,106,122,155 + }; + int i; + u32 val; + + for (i = 0; i < ARRAY_SIZE(mt76x0_tx_pwr_ch_list); i++) + if (mt76x0_tx_pwr_ch_list[i] == channel) + break; + + if (WARN_ON(i == ARRAY_SIZE(mt76x0_tx_pwr_ch_list))) + return; + + val = mt76_rr(dev, MT_TX_ALC_CFG_0); + val &= ~0x3f3f; + val |= dev->ee->tx_pwr_per_chan[i]; + val |= 0x2f2f << 16; + mt76_wr(dev, MT_TX_ALC_CFG_0, val); +} + +static int +__mt76x0_phy_set_channel(struct mt76x0_dev *dev, + struct cfg80211_chan_def *chandef) +{ + u32 ext_cca_chan[4] = { + [0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)), + [1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)), + [2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)), + [3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)), + }; + bool scan = test_bit(MT76_SCANNING, &dev->mt76.state); + int ch_group_index, freq, freq1; + u8 channel; + u32 val; + u16 rf_bw_band; + + freq = chandef->chan->center_freq; + freq1 = chandef->center_freq1; + channel = chandef->chan->hw_value; + rf_bw_band = (channel <= 14) ? RF_G_BAND : RF_A_BAND; + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_40: + if (freq1 > freq) + ch_group_index = 0; + else + ch_group_index = 1; + channel += 2 - ch_group_index * 4; + rf_bw_band |= RF_BW_40; + break; + case NL80211_CHAN_WIDTH_80: + ch_group_index = (freq - freq1 + 30) / 20; + if (WARN_ON(ch_group_index < 0 || ch_group_index > 3)) + ch_group_index = 0; + channel += 6 - ch_group_index * 4; + rf_bw_band |= RF_BW_80; + break; + default: + ch_group_index = 0; + rf_bw_band |= RF_BW_20; + break; + } + + mt76x0_bbp_set_bw(dev, chandef->width); + mt76x0_bbp_set_ctrlch(dev, chandef->width, ch_group_index); + mt76x0_mac_set_ctrlch(dev, ch_group_index & 1); + + mt76_rmw(dev, MT_EXT_CCA_CFG, + (MT_EXT_CCA_CFG_CCA0 | + MT_EXT_CCA_CFG_CCA1 | + MT_EXT_CCA_CFG_CCA2 | + MT_EXT_CCA_CFG_CCA3 | + MT_EXT_CCA_CFG_CCA_MASK), + ext_cca_chan[ch_group_index]); + + mt76x0_phy_set_band(dev, chandef->chan->band); + mt76x0_phy_set_chan_rf_params(dev, channel, rf_bw_band); + + /* set Japan Tx filter at channel 14 */ + val = mt76_rr(dev, MT_BBP(CORE, 1)); + if (channel == 14) + val |= 0x20; + else + val &= ~0x20; + mt76_wr(dev, MT_BBP(CORE, 1), val); + + mt76x0_phy_set_chan_bbp_params(dev, channel, rf_bw_band); + + /* Vendor driver don't do it */ + /* mt76x0_phy_set_tx_power(dev, channel, rf_bw_band); */ + + if (scan) + mt76x0_vco_cal(dev, channel); + + mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1); + mt76x0_phy_set_chan_pwr(dev, channel); + + dev->mt76.chandef = *chandef; + return 0; +} + +int mt76x0_phy_set_channel(struct mt76x0_dev *dev, + struct cfg80211_chan_def *chandef) +{ + int ret; + + mutex_lock(&dev->hw_atomic_mutex); + ret = __mt76x0_phy_set_channel(dev, chandef); + mutex_unlock(&dev->hw_atomic_mutex); + + return ret; +} + +void mt76x0_phy_recalibrate_after_assoc(struct mt76x0_dev *dev) +{ + u32 tx_alc, reg_val; + u8 channel = dev->mt76.chandef.chan->hw_value; + int is_5ghz = (dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ) ? 1 : 0; + + mt76x0_mcu_calibrate(dev, MCU_CAL_R, 0); + + mt76x0_vco_cal(dev, channel); + + tx_alc = mt76_rr(dev, MT_TX_ALC_CFG_0); + mt76_wr(dev, MT_TX_ALC_CFG_0, 0); + usleep_range(500, 700); + + reg_val = mt76_rr(dev, 0x2124); + reg_val &= 0xffffff7e; + mt76_wr(dev, 0x2124, reg_val); + + mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 0); + + mt76x0_mcu_calibrate(dev, MCU_CAL_LC, is_5ghz); + mt76x0_mcu_calibrate(dev, MCU_CAL_LOFT, is_5ghz); + mt76x0_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz); + mt76x0_mcu_calibrate(dev, MCU_CAL_TX_GROUP_DELAY, is_5ghz); + mt76x0_mcu_calibrate(dev, MCU_CAL_RXIQ, is_5ghz); + mt76x0_mcu_calibrate(dev, MCU_CAL_RX_GROUP_DELAY, is_5ghz); + + mt76_wr(dev, 0x2124, reg_val); + mt76_wr(dev, MT_TX_ALC_CFG_0, tx_alc); + msleep(100); + + mt76x0_mcu_calibrate(dev, MCU_CAL_RXDCOC, 1); +} + +void mt76x0_agc_save(struct mt76x0_dev *dev) +{ + /* Only one RX path */ + dev->agc_save = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, 8))); +} + +void mt76x0_agc_restore(struct mt76x0_dev *dev) +{ + mt76_rmw_field(dev, MT_BBP(AGC, 8), MT_BBP_AGC_GAIN, dev->agc_save); +} + +static void mt76x0_temp_sensor(struct mt76x0_dev *dev) +{ + u8 rf_b7_73, rf_b0_66, rf_b0_67; + int cycle, temp; + u32 val; + s32 sval; + + rf_b7_73 = rf_rr(dev, MT_RF(7, 73)); + rf_b0_66 = rf_rr(dev, MT_RF(0, 66)); + rf_b0_67 = rf_rr(dev, MT_RF(0, 73)); + + rf_wr(dev, MT_RF(7, 73), 0x02); + rf_wr(dev, MT_RF(0, 66), 0x23); + rf_wr(dev, MT_RF(0, 73), 0x01); + + mt76_wr(dev, MT_BBP(CORE, 34), 0x00080055); + + for (cycle = 0; cycle < 2000; cycle++) { + val = mt76_rr(dev, MT_BBP(CORE, 34)); + if (!(val & 0x10)) + break; + udelay(3); + } + + if (cycle >= 2000) { + val &= 0x10; + mt76_wr(dev, MT_BBP(CORE, 34), val); + goto done; + } + + sval = mt76_rr(dev, MT_BBP(CORE, 35)) & 0xff; + if (!(sval & 0x80)) + sval &= 0x7f; /* Positive */ + else + sval |= 0xffffff00; /* Negative */ + + temp = (35 * (sval - dev->ee->temp_off))/ 10 + 25; + +done: + rf_wr(dev, MT_RF(7, 73), rf_b7_73); + rf_wr(dev, MT_RF(0, 66), rf_b0_66); + rf_wr(dev, MT_RF(0, 73), rf_b0_67); +} + +static void mt76x0_dynamic_vga_tuning(struct mt76x0_dev *dev) +{ + u32 val, init_vga; + + init_vga = (dev->mt76.chandef.chan->band == NL80211_BAND_5GHZ) ? 0x54 : 0x4E; + if (dev->avg_rssi > -60) + init_vga -= 0x20; + else if (dev->avg_rssi > -70) + init_vga -= 0x10; + + val = mt76_rr(dev, MT_BBP(AGC, 8)); + val &= 0xFFFF80FF; + val |= init_vga << 8; + mt76_wr(dev, MT_BBP(AGC,8), val); +} + +static void mt76x0_phy_calibrate(struct work_struct *work) +{ + struct mt76x0_dev *dev = container_of(work, struct mt76x0_dev, + cal_work.work); + + mt76x0_dynamic_vga_tuning(dev); + mt76x0_temp_sensor(dev); + + ieee80211_queue_delayed_work(dev->mt76.hw, &dev->cal_work, + MT_CALIBRATE_INTERVAL); +} + +void mt76x0_phy_con_cal_onoff(struct mt76x0_dev *dev, + struct ieee80211_bss_conf *info) +{ + /* Start/stop collecting beacon data */ + spin_lock_bh(&dev->con_mon_lock); + ether_addr_copy(dev->ap_bssid, info->bssid); + dev->avg_rssi = 0; + dev->bcn_freq_off = MT_FREQ_OFFSET_INVALID; + spin_unlock_bh(&dev->con_mon_lock); +} + +static void +mt76x0_set_rx_chains(struct mt76x0_dev *dev) +{ + u32 val; + + val = mt76_rr(dev, MT_BBP(AGC, 0)); + val &= ~(BIT(3) | BIT(4)); + + if (dev->chainmask & BIT(1)) + val |= BIT(3); + + mt76_wr(dev, MT_BBP(AGC, 0), val); + + mb(); + val = mt76_rr(dev, MT_BBP(AGC, 0)); +} + +static void +mt76x0_set_tx_dac(struct mt76x0_dev *dev) +{ + if (dev->chainmask & BIT(1)) + mt76_set(dev, MT_BBP(TXBE, 5), 3); + else + mt76_clear(dev, MT_BBP(TXBE, 5), 3); +} + +static void +mt76x0_rf_init(struct mt76x0_dev *dev) +{ + int i; + u8 val; + + RF_RANDOM_WRITE(dev, mt76x0_rf_central_tab); + RF_RANDOM_WRITE(dev, mt76x0_rf_2g_channel_0_tab); + RF_RANDOM_WRITE(dev, mt76x0_rf_5g_channel_0_tab); + RF_RANDOM_WRITE(dev, mt76x0_rf_vga_channel_0_tab); + + for (i = 0; i < ARRAY_SIZE(mt76x0_rf_bw_switch_tab); i++) { + const struct mt76x0_rf_switch_item *item = &mt76x0_rf_bw_switch_tab[i]; + + if (item->bw_band == RF_BW_20) + rf_wr(dev, item->rf_bank_reg, item->value); + else if (((RF_G_BAND | RF_BW_20) & item->bw_band) == (RF_G_BAND | RF_BW_20)) + rf_wr(dev, item->rf_bank_reg, item->value); + } + + for (i = 0; i < ARRAY_SIZE(mt76x0_rf_band_switch_tab); i++) { + if (mt76x0_rf_band_switch_tab[i].bw_band & RF_G_BAND) { + rf_wr(dev, + mt76x0_rf_band_switch_tab[i].rf_bank_reg, + mt76x0_rf_band_switch_tab[i].value); + } + } + + /* + Frequency calibration + E1: B0.R22<6:0>: xo_cxo<6:0> + E2: B0.R21<0>: xo_cxo<0>, B0.R22<7:0>: xo_cxo<8:1> + */ + rf_wr(dev, MT_RF(0, 22), min_t(u8, dev->ee->rf_freq_off, 0xBF)); + val = rf_rr(dev, MT_RF(0, 22)); + + /* + Reset the DAC (Set B0.R73<7>=1, then set B0.R73<7>=0, and then set B0.R73<7>) during power up. + */ + val = rf_rr(dev, MT_RF(0, 73)); + val |= 0x80; + rf_wr(dev, MT_RF(0, 73), val); + val &= ~0x80; + rf_wr(dev, MT_RF(0, 73), val); + val |= 0x80; + rf_wr(dev, MT_RF(0, 73), val); + + /* + vcocal_en (initiate VCO calibration (reset after completion)) - It should be at the end of RF configuration. + */ + rf_set(dev, MT_RF(0, 4), 0x80); +} + +static void mt76x0_ant_select(struct mt76x0_dev *dev) +{ + /* Single antenna mode. */ + mt76_rmw(dev, MT_WLAN_FUN_CTRL, BIT(5), BIT(6)); + mt76_clear(dev, MT_CMB_CTRL, BIT(14) | BIT(12)); + mt76_clear(dev, MT_COEXCFG0, BIT(2)); + mt76_rmw(dev, MT_COEXCFG3, BIT(5) | BIT(4) | BIT(3) | BIT(2), BIT(1)); +} + +void mt76x0_phy_init(struct mt76x0_dev *dev) +{ + INIT_DELAYED_WORK(&dev->cal_work, mt76x0_phy_calibrate); + + mt76x0_ant_select(dev); + + mt76x0_rf_init(dev); + + mt76x0_set_rx_chains(dev); + mt76x0_set_tx_dac(dev); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h new file mode 100644 index 000000000000..2880a43c3cb0 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/phy.h @@ -0,0 +1,81 @@ +/* + * (c) Copyright 2002-2010, Ralink Technology, Inc. + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ +#ifndef _MT76X0_PHY_H_ +#define _MT76X0_PHY_H_ + +#define RF_G_BAND 0x0100 +#define RF_A_BAND 0x0200 +#define RF_A_BAND_LB 0x0400 +#define RF_A_BAND_MB 0x0800 +#define RF_A_BAND_HB 0x1000 +#define RF_A_BAND_11J 0x2000 + +#define RF_BW_20 1 +#define RF_BW_40 2 +#define RF_BW_10 4 +#define RF_BW_80 8 + +#define MT_RF(bank, reg) ((bank) << 16 | (reg)) +#define MT_RF_BANK(offset) (offset >> 16) +#define MT_RF_REG(offset) (offset & 0xff) + +struct mt76x0_bbp_switch_item { + u16 bw_band; + struct mt76_reg_pair reg_pair; +}; + +struct mt76x0_rf_switch_item { + u32 rf_bank_reg; + u16 bw_band; + u8 value; +}; + +struct mt76x0_freq_item { + u8 channel; + u32 band; + u8 pllR37; + u8 pllR36; + u8 pllR35; + u8 pllR34; + u8 pllR33; + u8 pllR32_b7b5; + u8 pllR32_b4b0; /* PLL_DEN (Denomina - 8) */ + u8 pllR31_b7b5; + u8 pllR31_b4b0; /* PLL_K (Nominator *)*/ + u8 pllR30_b7; /* sdm_reset_n */ + u8 pllR30_b6b2; /* sdmmash_prbs,sin */ + u8 pllR30_b1; /* sdm_bp */ + u16 pll_n; /* R30<0>, R29<7:0> (hex) */ + u8 pllR28_b7b6; /* isi,iso */ + u8 pllR28_b5b4; /* pfd_dly */ + u8 pllR28_b3b2; /* clksel option */ + u32 pll_sdm_k; /* R28<1:0>, R27<7:0>, R26<7:0> (hex) SDM_k */ + u8 pllR24_b1b0; /* xo_div */ +}; + +struct mt76x0_rate_pwr_item { + s8 mcs_power; + u8 rf_pa_mode; +}; + +struct mt76x0_rate_pwr_tab { + struct mt76x0_rate_pwr_item cck[4]; + struct mt76x0_rate_pwr_item ofdm[8]; + struct mt76x0_rate_pwr_item ht[8]; + struct mt76x0_rate_pwr_item vht[10]; + struct mt76x0_rate_pwr_item stbc[8]; + struct mt76x0_rate_pwr_item mcs32; +}; + +#endif /* _MT76X0_PHY_H_ */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/regs.h b/drivers/net/wireless/mediatek/mt76/mt76x0/regs.h new file mode 100644 index 000000000000..16bed4aaa242 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/regs.h @@ -0,0 +1,651 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * Copyright (C) 2018 Stanislaw Gruszka <stf_xl@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76_REGS_H +#define __MT76_REGS_H + +#include <linux/bitops.h> + +#define MT_ASIC_VERSION 0x0000 + +#define MT76XX_REV_E3 0x22 +#define MT76XX_REV_E4 0x33 + +#define MT_CMB_CTRL 0x0020 +#define MT_CMB_CTRL_XTAL_RDY BIT(22) +#define MT_CMB_CTRL_PLL_LD BIT(23) + +#define MT_EFUSE_CTRL 0x0024 +#define MT_EFUSE_CTRL_AOUT GENMASK(5, 0) +#define MT_EFUSE_CTRL_MODE GENMASK(7, 6) +#define MT_EFUSE_CTRL_LDO_OFF_TIME GENMASK(13, 8) +#define MT_EFUSE_CTRL_LDO_ON_TIME GENMASK(15, 14) +#define MT_EFUSE_CTRL_AIN GENMASK(25, 16) +#define MT_EFUSE_CTRL_KICK BIT(30) +#define MT_EFUSE_CTRL_SEL BIT(31) + +#define MT_EFUSE_DATA_BASE 0x0028 +#define MT_EFUSE_DATA(_n) (MT_EFUSE_DATA_BASE + ((_n) << 2)) + +#define MT_COEXCFG0 0x0040 +#define MT_COEXCFG0_COEX_EN BIT(0) + +#define MT_COEXCFG3 0x004c + +#define MT_LDO_CTRL_0 0x006c +#define MT_LDO_CTRL_1 0x0070 + +#define MT_WLAN_FUN_CTRL 0x0080 +#define MT_WLAN_FUN_CTRL_WLAN_EN BIT(0) +#define MT_WLAN_FUN_CTRL_WLAN_CLK_EN BIT(1) +#define MT_WLAN_FUN_CTRL_WLAN_RESET_RF BIT(2) + +#define MT_WLAN_FUN_CTRL_WLAN_RESET BIT(3) /* MT76x0 */ +#define MT_WLAN_FUN_CTRL_CSR_F20M_CKEN BIT(3) /* MT76x2 */ + +#define MT_WLAN_FUN_CTRL_PCIE_CLK_REQ BIT(4) +#define MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL BIT(5) +#define MT_WLAN_FUN_CTRL_INV_ANT_SEL BIT(6) +#define MT_WLAN_FUN_CTRL_WAKE_HOST BIT(7) + +#define MT_WLAN_FUN_CTRL_THERM_RST BIT(8) /* MT76x2 */ +#define MT_WLAN_FUN_CTRL_THERM_CKEN BIT(9) /* MT76x2 */ + +#define MT_WLAN_FUN_CTRL_GPIO_IN GENMASK(15, 8) /* MT76x0 */ +#define MT_WLAN_FUN_CTRL_GPIO_OUT GENMASK(23, 16) /* MT76x0 */ +#define MT_WLAN_FUN_CTRL_GPIO_OUT_EN GENMASK(31, 24) /* MT76x0 */ + +#define MT_XO_CTRL0 0x0100 +#define MT_XO_CTRL1 0x0104 +#define MT_XO_CTRL2 0x0108 +#define MT_XO_CTRL3 0x010c +#define MT_XO_CTRL4 0x0110 + +#define MT_XO_CTRL5 0x0114 +#define MT_XO_CTRL5_C2_VAL GENMASK(14, 8) + +#define MT_XO_CTRL6 0x0118 +#define MT_XO_CTRL6_C2_CTRL GENMASK(14, 8) + +#define MT_XO_CTRL7 0x011c + +#define MT_IOCFG_6 0x0124 +#define MT_WLAN_MTC_CTRL 0x10148 +#define MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP BIT(0) +#define MT_WLAN_MTC_CTRL_PWR_ACK BIT(12) +#define MT_WLAN_MTC_CTRL_PWR_ACK_S BIT(13) +#define MT_WLAN_MTC_CTRL_BBP_MEM_PD GENMASK(19, 16) +#define MT_WLAN_MTC_CTRL_PBF_MEM_PD BIT(20) +#define MT_WLAN_MTC_CTRL_FCE_MEM_PD BIT(21) +#define MT_WLAN_MTC_CTRL_TSO_MEM_PD BIT(22) +#define MT_WLAN_MTC_CTRL_BBP_MEM_RB BIT(24) +#define MT_WLAN_MTC_CTRL_PBF_MEM_RB BIT(25) +#define MT_WLAN_MTC_CTRL_FCE_MEM_RB BIT(26) +#define MT_WLAN_MTC_CTRL_TSO_MEM_RB BIT(27) +#define MT_WLAN_MTC_CTRL_STATE_UP BIT(28) + +#define MT_INT_SOURCE_CSR 0x0200 +#define MT_INT_MASK_CSR 0x0204 + +#define MT_INT_RX_DONE(_n) BIT(_n) +#define MT_INT_RX_DONE_ALL GENMASK(1, 0) +#define MT_INT_TX_DONE_ALL GENMASK(13, 4) +#define MT_INT_TX_DONE(_n) BIT(_n + 4) +#define MT_INT_RX_COHERENT BIT(16) +#define MT_INT_TX_COHERENT BIT(17) +#define MT_INT_ANY_COHERENT BIT(18) +#define MT_INT_MCU_CMD BIT(19) +#define MT_INT_TBTT BIT(20) +#define MT_INT_PRE_TBTT BIT(21) +#define MT_INT_TX_STAT BIT(22) +#define MT_INT_AUTO_WAKEUP BIT(23) +#define MT_INT_GPTIMER BIT(24) +#define MT_INT_RXDELAYINT BIT(26) +#define MT_INT_TXDELAYINT BIT(27) + +#define MT_WPDMA_GLO_CFG 0x0208 +#define MT_WPDMA_GLO_CFG_TX_DMA_EN BIT(0) +#define MT_WPDMA_GLO_CFG_TX_DMA_BUSY BIT(1) +#define MT_WPDMA_GLO_CFG_RX_DMA_EN BIT(2) +#define MT_WPDMA_GLO_CFG_RX_DMA_BUSY BIT(3) +#define MT_WPDMA_GLO_CFG_DMA_BURST_SIZE GENMASK(5, 4) +#define MT_WPDMA_GLO_CFG_TX_WRITEBACK_DONE BIT(6) +#define MT_WPDMA_GLO_CFG_BIG_ENDIAN BIT(7) +#define MT_WPDMA_GLO_CFG_HDR_SEG_LEN GENMASK(15, 8) +#define MT_WPDMA_GLO_CFG_CLK_GATE_DIS BIT(30) +#define MT_WPDMA_GLO_CFG_RX_2B_OFFSET BIT(31) + +#define MT_WPDMA_RST_IDX 0x020c + +#define MT_WPDMA_DELAY_INT_CFG 0x0210 + +#define MT_WMM_AIFSN 0x0214 +#define MT_WMM_AIFSN_MASK GENMASK(3, 0) +#define MT_WMM_AIFSN_SHIFT(_n) ((_n) * 4) + +#define MT_WMM_CWMIN 0x0218 +#define MT_WMM_CWMIN_MASK GENMASK(3, 0) +#define MT_WMM_CWMIN_SHIFT(_n) ((_n) * 4) + +#define MT_WMM_CWMAX 0x021c +#define MT_WMM_CWMAX_MASK GENMASK(3, 0) +#define MT_WMM_CWMAX_SHIFT(_n) ((_n) * 4) + +#define MT_WMM_TXOP_BASE 0x0220 +#define MT_WMM_TXOP(_n) (MT_WMM_TXOP_BASE + (((_n) / 2) << 2)) +#define MT_WMM_TXOP_SHIFT(_n) ((_n & 1) * 16) +#define MT_WMM_TXOP_MASK GENMASK(15, 0) + +#define MT_WMM_CTRL 0x0230 /* MT76x0 */ + +#define MT_FCE_DMA_ADDR 0x0230 +#define MT_FCE_DMA_LEN 0x0234 + +#define MT_USB_DMA_CFG 0x238 +#define MT_USB_DMA_CFG_RX_BULK_AGG_TOUT GENMASK(7, 0) +#define MT_USB_DMA_CFG_RX_BULK_AGG_LMT GENMASK(15, 8) +#define MT_USB_DMA_CFG_TX_WL_DROP BIT(16) +#define MT_USB_DMA_CFG_WAKEUP_EN BIT(17) +#define MT_USB_DMA_CFG_RX_DROP_OR_PADDING BIT(18) +#define MT_USB_DMA_CFG_TX_CLR BIT(19) +#define MT_USB_DMA_CFG_WL_LPK_EN BIT(20) +#define MT_USB_DMA_CFG_RX_BULK_AGG_EN BIT(21) +#define MT_USB_DMA_CFG_RX_BULK_EN BIT(22) +#define MT_USB_DMA_CFG_TX_BULK_EN BIT(23) +#define MT_USB_DMA_CFG_EP_OUT_VALID GENMASK(29, 24) +#define MT_USB_DMA_CFG_RX_BUSY BIT(30) +#define MT_USB_DMA_CFG_TX_BUSY BIT(31) +#if 0 +#define MT_USB_DMA_CFG_TX_CLR BIT(19) +#define MT_USB_DMA_CFG_TXOP_HALT BIT(20) +#define MT_USB_DMA_CFG_RX_BULK_AGG_EN BIT(21) +#define MT_USB_DMA_CFG_RX_BULK_EN BIT(22) +#define MT_USB_DMA_CFG_TX_BULK_EN BIT(23) +#define MT_USB_DMA_CFG_UDMA_RX_WL_DROP BIT(25) +#endif + +#define MT_TSO_CTRL 0x0250 +#define MT_HEADER_TRANS_CTRL_REG 0x0260 + +#define MT_US_CYC_CFG 0x02a4 +#define MT_US_CYC_CNT GENMASK(7, 0) + +#define MT_TX_RING_BASE 0x0300 +#define MT_RX_RING_BASE 0x03c0 +#define MT_RING_SIZE 0x10 + +#define MT_TX_HW_QUEUE_MCU 8 +#define MT_TX_HW_QUEUE_MGMT 9 + +#define MT_PBF_SYS_CTRL 0x0400 +#define MT_PBF_SYS_CTRL_MCU_RESET BIT(0) +#define MT_PBF_SYS_CTRL_DMA_RESET BIT(1) +#define MT_PBF_SYS_CTRL_MAC_RESET BIT(2) +#define MT_PBF_SYS_CTRL_PBF_RESET BIT(3) +#define MT_PBF_SYS_CTRL_ASY_RESET BIT(4) + +#define MT_PBF_CFG 0x0404 +#define MT_PBF_CFG_TX0Q_EN BIT(0) +#define MT_PBF_CFG_TX1Q_EN BIT(1) +#define MT_PBF_CFG_TX2Q_EN BIT(2) +#define MT_PBF_CFG_TX3Q_EN BIT(3) +#define MT_PBF_CFG_RX0Q_EN BIT(4) +#define MT_PBF_CFG_RX_DROP_EN BIT(8) + +#define MT_PBF_TX_MAX_PCNT 0x0408 +#define MT_PBF_RX_MAX_PCNT 0x040c + +#define MT_BCN_OFFSET_BASE 0x041c +#define MT_BCN_OFFSET(_n) (MT_BCN_OFFSET_BASE + ((_n) << 2)) + +#define MT_RXQ_STA 0x0430 +#define MT_TXQ_STA 0x0434 +#define MT_RF_CSR_CFG 0x0500 +#define MT_RF_CSR_CFG_DATA GENMASK(7, 0) +#define MT_RF_CSR_CFG_REG_ID GENMASK(13, 8) +#define MT_RF_CSR_CFG_REG_BANK GENMASK(17, 14) +#define MT_RF_CSR_CFG_WR BIT(30) +#define MT_RF_CSR_CFG_KICK BIT(31) + +#define MT_RF_BYPASS_0 0x0504 +#define MT_RF_BYPASS_1 0x0508 +#define MT_RF_SETTING_0 0x050c + +#define MT_RF_MISC 0x0518 +#define MT_RF_DATA_WRITE 0x0524 + +#define MT_RF_CTRL 0x0528 +#define MT_RF_CTRL_ADDR GENMASK(11, 0) +#define MT_RF_CTRL_WRITE BIT(12) +#define MT_RF_CTRL_BUSY BIT(13) +#define MT_RF_CTRL_IDX BIT(16) + +#define MT_RF_DATA_READ 0x052c + +#define MT_COM_REG0 0x0730 +#define MT_COM_REG1 0x0734 +#define MT_COM_REG2 0x0738 +#define MT_COM_REG3 0x073C + +#define MT_FCE_PSE_CTRL 0x0800 +#define MT_FCE_PARAMETERS 0x0804 +#define MT_FCE_CSO 0x0808 + +#define MT_FCE_L2_STUFF 0x080c +#define MT_FCE_L2_STUFF_HT_L2_EN BIT(0) +#define MT_FCE_L2_STUFF_QOS_L2_EN BIT(1) +#define MT_FCE_L2_STUFF_RX_STUFF_EN BIT(2) +#define MT_FCE_L2_STUFF_TX_STUFF_EN BIT(3) +#define MT_FCE_L2_STUFF_WR_MPDU_LEN_EN BIT(4) +#define MT_FCE_L2_STUFF_MVINV_BSWAP BIT(5) +#define MT_FCE_L2_STUFF_TS_CMD_QSEL_EN GENMASK(15, 8) +#define MT_FCE_L2_STUFF_TS_LEN_EN GENMASK(23, 16) +#define MT_FCE_L2_STUFF_OTHER_PORT GENMASK(25, 24) + +#define MT_FCE_WLAN_FLOW_CONTROL1 0x0824 + +#define MT_TX_CPU_FROM_FCE_BASE_PTR 0x09a0 +#define MT_TX_CPU_FROM_FCE_MAX_COUNT 0x09a4 +#define MT_TX_CPU_FROM_FCE_CPU_DESC_IDX 0x09a8 + +#define MT_FCE_PDMA_GLOBAL_CONF 0x09c4 + +#define MT_PAUSE_ENABLE_CONTROL1 0x0a38 + +#define MT_FCE_SKIP_FS 0x0a6c + +#define MT_MAC_CSR0 0x1000 +#define MT_MAC_SYS_CTRL 0x1004 +#define MT_MAC_SYS_CTRL_RESET_CSR BIT(0) +#define MT_MAC_SYS_CTRL_RESET_BBP BIT(1) +#define MT_MAC_SYS_CTRL_ENABLE_TX BIT(2) +#define MT_MAC_SYS_CTRL_ENABLE_RX BIT(3) + +#define MT_MAC_ADDR_DW0 0x1008 +#define MT_MAC_ADDR_DW1 0x100c +#define MT_MAC_ADDR_DW1_U2ME_MASK GENMASK(23, 16) + +#define MT_MAC_BSSID_DW0 0x1010 +#define MT_MAC_BSSID_DW1 0x1014 +#define MT_MAC_BSSID_DW1_ADDR GENMASK(15, 0) +#define MT_MAC_BSSID_DW1_MBSS_MODE GENMASK(17, 16) +#define MT_MAC_BSSID_DW1_MBEACON_N GENMASK(20, 18) +#define MT_MAC_BSSID_DW1_MBSS_LOCAL_BIT BIT(21) +#define MT_MAC_BSSID_DW1_MBSS_MODE_B2 BIT(22) +#define MT_MAC_BSSID_DW1_MBEACON_N_B3 BIT(23) +#define MT_MAC_BSSID_DW1_MBSS_IDX_BYTE GENMASK(26, 24) + +#define MT_MAX_LEN_CFG 0x1018 +#define MT_MAX_LEN_CFG_AMPDU GENMASK(13, 12) + +#define MT_LED_CFG 0x102c + +#define MT_AMPDU_MAX_LEN_20M1S 0x1030 +#define MT_AMPDU_MAX_LEN_20M2S 0x1034 +#define MT_AMPDU_MAX_LEN_40M1S 0x1038 +#define MT_AMPDU_MAX_LEN_40M2S 0x103c +#define MT_AMPDU_MAX_LEN 0x1040 + +#define MT_WCID_DROP_BASE 0x106c +#define MT_WCID_DROP(_n) (MT_WCID_DROP_BASE + ((_n) >> 5) * 4) +#define MT_WCID_DROP_MASK(_n) BIT((_n) % 32) + +#define MT_BCN_BYPASS_MASK 0x108c + +#define MT_MAC_APC_BSSID_BASE 0x1090 +#define MT_MAC_APC_BSSID_L(_n) (MT_MAC_APC_BSSID_BASE + ((_n) * 8)) +#define MT_MAC_APC_BSSID_H(_n) (MT_MAC_APC_BSSID_BASE + ((_n) * 8 + 4)) +#define MT_MAC_APC_BSSID_H_ADDR GENMASK(15, 0) +#define MT_MAC_APC_BSSID0_H_EN BIT(16) + +#define MT_XIFS_TIME_CFG 0x1100 +#define MT_XIFS_TIME_CFG_CCK_SIFS GENMASK(7, 0) +#define MT_XIFS_TIME_CFG_OFDM_SIFS GENMASK(15, 8) +#define MT_XIFS_TIME_CFG_OFDM_XIFS GENMASK(19, 16) +#define MT_XIFS_TIME_CFG_EIFS GENMASK(28, 20) +#define MT_XIFS_TIME_CFG_BB_RXEND_EN BIT(29) + +#define MT_BKOFF_SLOT_CFG 0x1104 +#define MT_BKOFF_SLOT_CFG_SLOTTIME GENMASK(7, 0) +#define MT_BKOFF_SLOT_CFG_CC_DELAY GENMASK(11, 8) + +#define MT_BEACON_TIME_CFG 0x1114 +#define MT_BEACON_TIME_CFG_INTVAL GENMASK(15, 0) +#define MT_BEACON_TIME_CFG_TIMER_EN BIT(16) +#define MT_BEACON_TIME_CFG_SYNC_MODE GENMASK(18, 17) +#define MT_BEACON_TIME_CFG_TBTT_EN BIT(19) +#define MT_BEACON_TIME_CFG_BEACON_TX BIT(20) +#define MT_BEACON_TIME_CFG_TSF_COMP GENMASK(31, 24) + +#define MT_TBTT_SYNC_CFG 0x1118 +#define MT_TBTT_TIMER_CFG 0x1124 + +#define MT_INT_TIMER_CFG 0x1128 +#define MT_INT_TIMER_CFG_PRE_TBTT GENMASK(15, 0) +#define MT_INT_TIMER_CFG_GP_TIMER GENMASK(31, 16) + +#define MT_INT_TIMER_EN 0x112c +#define MT_INT_TIMER_EN_PRE_TBTT_EN BIT(0) +#define MT_INT_TIMER_EN_GP_TIMER_EN BIT(1) + +#define MT_MAC_STATUS 0x1200 +#define MT_MAC_STATUS_TX BIT(0) +#define MT_MAC_STATUS_RX BIT(1) + +#define MT_PWR_PIN_CFG 0x1204 +#define MT_AUX_CLK_CFG 0x120c + +#define MT_BB_PA_MODE_CFG0 0x1214 +#define MT_BB_PA_MODE_CFG1 0x1218 +#define MT_RF_PA_MODE_CFG0 0x121c +#define MT_RF_PA_MODE_CFG1 0x1220 + +#define MT_RF_PA_MODE_ADJ0 0x1228 +#define MT_RF_PA_MODE_ADJ1 0x122c + +#define MT_DACCLK_EN_DLY_CFG 0x1264 + +#define MT_EDCA_CFG_BASE 0x1300 +#define MT_EDCA_CFG_AC(_n) (MT_EDCA_CFG_BASE + ((_n) << 2)) +#define MT_EDCA_CFG_TXOP GENMASK(7, 0) +#define MT_EDCA_CFG_AIFSN GENMASK(11, 8) +#define MT_EDCA_CFG_CWMIN GENMASK(15, 12) +#define MT_EDCA_CFG_CWMAX GENMASK(19, 16) + +#define MT_TX_PWR_CFG_0 0x1314 +#define MT_TX_PWR_CFG_1 0x1318 +#define MT_TX_PWR_CFG_2 0x131c +#define MT_TX_PWR_CFG_3 0x1320 +#define MT_TX_PWR_CFG_4 0x1324 + +#define MT_TX_BAND_CFG 0x132c +#define MT_TX_BAND_CFG_UPPER_40M BIT(0) +#define MT_TX_BAND_CFG_5G BIT(1) +#define MT_TX_BAND_CFG_2G BIT(2) + +#define MT_HT_FBK_TO_LEGACY 0x1384 +#define MT_TX_MPDU_ADJ_INT 0x1388 + +#define MT_TX_PWR_CFG_7 0x13d4 +#define MT_TX_PWR_CFG_8 0x13d8 +#define MT_TX_PWR_CFG_9 0x13dc + +#define MT_TX_SW_CFG0 0x1330 +#define MT_TX_SW_CFG1 0x1334 +#define MT_TX_SW_CFG2 0x1338 + +#define MT_TXOP_CTRL_CFG 0x1340 +#define MT_TXOP_TRUN_EN GENMASK(5, 0) +#define MT_TXOP_EXT_CCA_DLY GENMASK(15, 8) +#define MT_TXOP_CTRL + +#define MT_TX_RTS_CFG 0x1344 +#define MT_TX_RTS_CFG_RETRY_LIMIT GENMASK(7, 0) +#define MT_TX_RTS_CFG_THRESH GENMASK(23, 8) +#define MT_TX_RTS_FALLBACK BIT(24) + +#define MT_TX_TIMEOUT_CFG 0x1348 +#define MT_TX_RETRY_CFG 0x134c +#define MT_TX_LINK_CFG 0x1350 +#define MT_HT_FBK_CFG0 0x1354 +#define MT_HT_FBK_CFG1 0x1358 +#define MT_LG_FBK_CFG0 0x135c +#define MT_LG_FBK_CFG1 0x1360 + +#define MT_CCK_PROT_CFG 0x1364 +#define MT_OFDM_PROT_CFG 0x1368 +#define MT_MM20_PROT_CFG 0x136c +#define MT_MM40_PROT_CFG 0x1370 +#define MT_GF20_PROT_CFG 0x1374 +#define MT_GF40_PROT_CFG 0x1378 + +#define MT_PROT_RATE GENMASK(15, 0) +#define MT_PROT_CTRL_RTS_CTS BIT(16) +#define MT_PROT_CTRL_CTS2SELF BIT(17) +#define MT_PROT_NAV_SHORT BIT(18) +#define MT_PROT_NAV_LONG BIT(19) +#define MT_PROT_TXOP_ALLOW_CCK BIT(20) +#define MT_PROT_TXOP_ALLOW_OFDM BIT(21) +#define MT_PROT_TXOP_ALLOW_MM20 BIT(22) +#define MT_PROT_TXOP_ALLOW_MM40 BIT(23) +#define MT_PROT_TXOP_ALLOW_GF20 BIT(24) +#define MT_PROT_TXOP_ALLOW_GF40 BIT(25) +#define MT_PROT_RTS_THR_EN BIT(26) +#define MT_PROT_RATE_CCK_11 0x0003 +#define MT_PROT_RATE_OFDM_6 0x4000 +#define MT_PROT_RATE_OFDM_24 0x4004 +#define MT_PROT_RATE_DUP_OFDM_24 0x4084 +#define MT_PROT_TXOP_ALLOW_ALL GENMASK(25, 20) +#define MT_PROT_TXOP_ALLOW_BW20 (MT_PROT_TXOP_ALLOW_ALL & \ + ~MT_PROT_TXOP_ALLOW_MM40 & \ + ~MT_PROT_TXOP_ALLOW_GF40) + +#define MT_EXP_ACK_TIME 0x1380 + +#define MT_TX_PWR_CFG_0_EXT 0x1390 +#define MT_TX_PWR_CFG_1_EXT 0x1394 + +#define MT_TX_FBK_LIMIT 0x1398 +#define MT_TX_FBK_LIMIT_MPDU_FBK GENMASK(7, 0) +#define MT_TX_FBK_LIMIT_AMPDU_FBK GENMASK(15, 8) +#define MT_TX_FBK_LIMIT_MPDU_UP_CLEAR BIT(16) +#define MT_TX_FBK_LIMIT_AMPDU_UP_CLEAR BIT(17) +#define MT_TX_FBK_LIMIT_RATE_LUT BIT(18) + +#define MT_TX0_RF_GAIN_CORR 0x13a0 +#define MT_TX1_RF_GAIN_CORR 0x13a4 +#define MT_TX0_RF_GAIN_ATTEN 0x13a8 + +#define MT_TX_ALC_CFG_0 0x13b0 +#define MT_TX_ALC_CFG_0_CH_INIT_0 GENMASK(5, 0) +#define MT_TX_ALC_CFG_0_CH_INIT_1 GENMASK(13, 8) +#define MT_TX_ALC_CFG_0_LIMIT_0 GENMASK(21, 16) +#define MT_TX_ALC_CFG_0_LIMIT_1 GENMASK(29, 24) + +#define MT_TX_ALC_CFG_1 0x13b4 +#define MT_TX_ALC_CFG_1_TEMP_COMP GENMASK(5, 0) + +#define MT_TX_ALC_CFG_2 0x13a8 +#define MT_TX_ALC_CFG_2_TEMP_COMP GENMASK(5, 0) + +#define MT_TX0_BB_GAIN_ATTEN 0x13c0 + +#define MT_TX_ALC_VGA3 0x13c8 + +#define MT_TX_PROT_CFG6 0x13e0 +#define MT_TX_PROT_CFG7 0x13e4 +#define MT_TX_PROT_CFG8 0x13e8 + +#define MT_PIFS_TX_CFG 0x13ec + +#define MT_RX_FILTR_CFG 0x1400 + +#define MT_RX_FILTR_CFG_CRC_ERR BIT(0) +#define MT_RX_FILTR_CFG_PHY_ERR BIT(1) +#define MT_RX_FILTR_CFG_PROMISC BIT(2) +#define MT_RX_FILTR_CFG_OTHER_BSS BIT(3) +#define MT_RX_FILTR_CFG_VER_ERR BIT(4) +#define MT_RX_FILTR_CFG_MCAST BIT(5) +#define MT_RX_FILTR_CFG_BCAST BIT(6) +#define MT_RX_FILTR_CFG_DUP BIT(7) +#define MT_RX_FILTR_CFG_CFACK BIT(8) +#define MT_RX_FILTR_CFG_CFEND BIT(9) +#define MT_RX_FILTR_CFG_ACK BIT(10) +#define MT_RX_FILTR_CFG_CTS BIT(11) +#define MT_RX_FILTR_CFG_RTS BIT(12) +#define MT_RX_FILTR_CFG_PSPOLL BIT(13) +#define MT_RX_FILTR_CFG_BA BIT(14) +#define MT_RX_FILTR_CFG_BAR BIT(15) +#define MT_RX_FILTR_CFG_CTRL_RSV BIT(16) + +#define MT_AUTO_RSP_CFG 0x1404 + +#define MT_AUTO_RSP_PREAMB_SHORT BIT(4) + +#define MT_LEGACY_BASIC_RATE 0x1408 +#define MT_HT_BASIC_RATE 0x140c +#define MT_HT_CTRL_CFG 0x1410 +#define MT_RX_PARSER_CFG 0x1418 +#define MT_RX_PARSER_RX_SET_NAV_ALL BIT(0) + +#define MT_EXT_CCA_CFG 0x141c +#define MT_EXT_CCA_CFG_CCA0 GENMASK(1, 0) +#define MT_EXT_CCA_CFG_CCA1 GENMASK(3, 2) +#define MT_EXT_CCA_CFG_CCA2 GENMASK(5, 4) +#define MT_EXT_CCA_CFG_CCA3 GENMASK(7, 6) +#define MT_EXT_CCA_CFG_CCA_MASK GENMASK(11, 8) +#define MT_EXT_CCA_CFG_ED_CCA_MASK GENMASK(15, 12) + +#define MT_TX_SW_CFG3 0x1478 + +#define MT_PN_PAD_MODE 0x150c + +#define MT_TXOP_HLDR_ET 0x1608 + +#define MT_PROT_AUTO_TX_CFG 0x1648 + +#define MT_RX_STA_CNT0 0x1700 +#define MT_RX_STA_CNT1 0x1704 +#define MT_RX_STA_CNT2 0x1708 +#define MT_TX_STA_CNT0 0x170c +#define MT_TX_STA_CNT1 0x1710 +#define MT_TX_STA_CNT2 0x1714 + +/* Vendor driver defines content of the second word of STAT_FIFO as follows: + * MT_TX_STAT_FIFO_RATE GENMASK(26, 16) + * MT_TX_STAT_FIFO_ETXBF BIT(27) + * MT_TX_STAT_FIFO_SND BIT(28) + * MT_TX_STAT_FIFO_ITXBF BIT(29) + * However, tests show that b16-31 have the same layout as TXWI rate_ctl + * with rate set to rate at which frame was acked. + */ +#define MT_TX_STAT_FIFO 0x1718 +#define MT_TX_STAT_FIFO_VALID BIT(0) +#define MT_TX_STAT_FIFO_SUCCESS BIT(5) +#define MT_TX_STAT_FIFO_AGGR BIT(6) +#define MT_TX_STAT_FIFO_ACKREQ BIT(7) +#define MT_TX_STAT_FIFO_WCID GENMASK(15, 8) +#define MT_TX_STAT_FIFO_RATE GENMASK(31, 16) + +#define MT_TX_AGG_STAT 0x171c + +#define MT_TX_AGG_CNT_BASE0 0x1720 + +#define MT_MPDU_DENSITY_CNT 0x1740 + +#define MT_TX_AGG_CNT_BASE1 0x174c + +#define MT_TX_AGG_CNT(_id) ((_id) < 8 ? \ + MT_TX_AGG_CNT_BASE0 + ((_id) << 2) : \ + MT_TX_AGG_CNT_BASE1 + ((_id - 8) << 2)) + +#define MT_TX_STAT_FIFO_EXT 0x1798 +#define MT_TX_STAT_FIFO_EXT_RETRY GENMASK(7, 0) +#define MT_TX_STAT_FIFO_EXT_PKTID GENMASK(15, 8) + +#define MT_BBP_CORE_BASE 0x2000 +#define MT_BBP_IBI_BASE 0x2100 +#define MT_BBP_AGC_BASE 0x2300 +#define MT_BBP_TXC_BASE 0x2400 +#define MT_BBP_RXC_BASE 0x2500 +#define MT_BBP_TXO_BASE 0x2600 +#define MT_BBP_TXBE_BASE 0x2700 +#define MT_BBP_RXFE_BASE 0x2800 +#define MT_BBP_RXO_BASE 0x2900 +#define MT_BBP_DFS_BASE 0x2a00 +#define MT_BBP_TR_BASE 0x2b00 +#define MT_BBP_CAL_BASE 0x2c00 +#define MT_BBP_DSC_BASE 0x2e00 +#define MT_BBP_PFMU_BASE 0x2f00 + +#define MT_BBP(_type, _n) (MT_BBP_##_type##_BASE + ((_n) << 2)) + +#define MT_BBP_CORE_R1_BW GENMASK(4, 3) + +#define MT_BBP_AGC_R0_CTRL_CHAN GENMASK(9, 8) +#define MT_BBP_AGC_R0_BW GENMASK(14, 12) + +/* AGC, R4/R5 */ +#define MT_BBP_AGC_LNA_GAIN GENMASK(21, 16) + +/* AGC, R8/R9 */ +#define MT_BBP_AGC_GAIN GENMASK(14, 8) + +#define MT_BBP_AGC20_RSSI0 GENMASK(7, 0) +#define MT_BBP_AGC20_RSSI1 GENMASK(15, 8) + +#define MT_BBP_TXBE_R0_CTRL_CHAN GENMASK(1, 0) + +#define MT_WCID_ADDR_BASE 0x1800 +#define MT_WCID_ADDR(_n) (MT_WCID_ADDR_BASE + (_n) * 8) + +#define MT_SRAM_BASE 0x4000 + +#define MT_WCID_KEY_BASE 0x8000 +#define MT_WCID_KEY(_n) (MT_WCID_KEY_BASE + (_n) * 32) + +#define MT_WCID_IV_BASE 0xa000 +#define MT_WCID_IV(_n) (MT_WCID_IV_BASE + (_n) * 8) + +#define MT_WCID_ATTR_BASE 0xa800 +#define MT_WCID_ATTR(_n) (MT_WCID_ATTR_BASE + (_n) * 4) + +#define MT_WCID_ATTR_PAIRWISE BIT(0) +#define MT_WCID_ATTR_PKEY_MODE GENMASK(3, 1) +#define MT_WCID_ATTR_BSS_IDX GENMASK(6, 4) +#define MT_WCID_ATTR_RXWI_UDF GENMASK(9, 7) +#define MT_WCID_ATTR_PKEY_MODE_EXT BIT(10) +#define MT_WCID_ATTR_BSS_IDX_EXT BIT(11) +#define MT_WCID_ATTR_WAPI_MCBC BIT(15) +#define MT_WCID_ATTR_WAPI_KEYID GENMASK(31, 24) + +#define MT_SKEY_BASE_0 0xac00 +#define MT_SKEY_BASE_1 0xb400 +#define MT_SKEY_0(_bss, _idx) \ + (MT_SKEY_BASE_0 + (4 * (_bss) + _idx) * 32) +#define MT_SKEY_1(_bss, _idx) \ + (MT_SKEY_BASE_1 + (4 * ((_bss) & 7) + _idx) * 32) +#define MT_SKEY(_bss, _idx) \ + ((_bss & 8) ? MT_SKEY_1(_bss, _idx) : MT_SKEY_0(_bss, _idx)) + +#define MT_SKEY_MODE_BASE_0 0xb000 +#define MT_SKEY_MODE_BASE_1 0xb3f0 +#define MT_SKEY_MODE_0(_bss) \ + (MT_SKEY_MODE_BASE_0 + ((_bss / 2) << 2)) +#define MT_SKEY_MODE_1(_bss) \ + (MT_SKEY_MODE_BASE_1 + ((((_bss) & 7) / 2) << 2)) +#define MT_SKEY_MODE(_bss) \ + ((_bss & 8) ? MT_SKEY_MODE_1(_bss) : MT_SKEY_MODE_0(_bss)) +#define MT_SKEY_MODE_MASK GENMASK(3, 0) +#define MT_SKEY_MODE_SHIFT(_bss, _idx) (4 * ((_idx) + 4 * (_bss & 1))) + +#define MT_BEACON_BASE 0xc000 + +#define MT_TEMP_SENSOR 0x1d000 +#define MT_TEMP_SENSOR_VAL GENMASK(6, 0) + +enum mt76_cipher_type { + MT_CIPHER_NONE, + MT_CIPHER_WEP40, + MT_CIPHER_WEP104, + MT_CIPHER_TKIP, + MT_CIPHER_AES_CCMP, + MT_CIPHER_CKIP40, + MT_CIPHER_CKIP104, + MT_CIPHER_CKIP128, + MT_CIPHER_WAPI, +}; + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/trace.c b/drivers/net/wireless/mediatek/mt76/mt76x0/trace.c new file mode 100644 index 000000000000..8abdd3cd546d --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/trace.c @@ -0,0 +1,21 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/module.h> + +#ifndef __CHECKER__ +#define CREATE_TRACE_POINTS +#include "trace.h" + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/trace.h b/drivers/net/wireless/mediatek/mt76/mt76x0/trace.h new file mode 100644 index 000000000000..8a752a09f2dc --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/trace.h @@ -0,0 +1,313 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#if !defined(__MT76X0U_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define __MT76X0U_TRACE_H + +#include <linux/tracepoint.h> +#include "mt76x0.h" +#include "mac.h" + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mt76x0 + +#define MAXNAME 32 +#define DEV_ENTRY __array(char, wiphy_name, 32) +#define DEV_ASSIGN strlcpy(__entry->wiphy_name, \ + wiphy_name(dev->hw->wiphy), MAXNAME) +#define DEV_PR_FMT "%s " +#define DEV_PR_ARG __entry->wiphy_name + +#define REG_ENTRY __field(u32, reg) __field(u32, val) +#define REG_ASSIGN __entry->reg = reg; __entry->val = val +#define REG_PR_FMT "%04x=%08x" +#define REG_PR_ARG __entry->reg, __entry->val + +DECLARE_EVENT_CLASS(dev_reg_evt, + TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val), + TP_ARGS(dev, reg, val), + TP_STRUCT__entry( + DEV_ENTRY + REG_ENTRY + ), + TP_fast_assign( + DEV_ASSIGN; + REG_ASSIGN; + ), + TP_printk( + DEV_PR_FMT REG_PR_FMT, + DEV_PR_ARG, REG_PR_ARG + ) +); + +DEFINE_EVENT(dev_reg_evt, mt76x0_reg_read, + TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val), + TP_ARGS(dev, reg, val) +); + +DEFINE_EVENT(dev_reg_evt, mt76x0_reg_write, + TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val), + TP_ARGS(dev, reg, val) +); + +TRACE_EVENT(mt76x0_submit_urb, + TP_PROTO(struct mt76_dev *dev, struct urb *u), + TP_ARGS(dev, u), + TP_STRUCT__entry( + DEV_ENTRY __field(unsigned, pipe) __field(u32, len) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->pipe = u->pipe; + __entry->len = u->transfer_buffer_length; + ), + TP_printk(DEV_PR_FMT "p:%08x len:%u", + DEV_PR_ARG, __entry->pipe, __entry->len) +); + +#define trace_mt76x0_submit_urb_sync(__dev, __pipe, __len) ({ \ + struct urb u; \ + u.pipe = __pipe; \ + u.transfer_buffer_length = __len; \ + trace_mt76x0_submit_urb(__dev, &u); \ +}) + +TRACE_EVENT(mt76x0_mcu_msg_send, + TP_PROTO(struct mt76_dev *dev, + struct sk_buff *skb, u32 csum, bool resp), + TP_ARGS(dev, skb, csum, resp), + TP_STRUCT__entry( + DEV_ENTRY + __field(u32, info) + __field(u32, csum) + __field(bool, resp) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->info = *(u32 *)skb->data; + __entry->csum = csum; + __entry->resp = resp; + ), + TP_printk(DEV_PR_FMT "i:%08x c:%08x r:%d", + DEV_PR_ARG, __entry->info, __entry->csum, __entry->resp) +); + +TRACE_EVENT(mt76x0_vend_req, + TP_PROTO(struct mt76_dev *dev, unsigned pipe, u8 req, u8 req_type, + u16 val, u16 offset, void *buf, size_t buflen, int ret), + TP_ARGS(dev, pipe, req, req_type, val, offset, buf, buflen, ret), + TP_STRUCT__entry( + DEV_ENTRY + __field(unsigned, pipe) __field(u8, req) __field(u8, req_type) + __field(u16, val) __field(u16, offset) __field(void*, buf) + __field(int, buflen) __field(int, ret) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->pipe = pipe; + __entry->req = req; + __entry->req_type = req_type; + __entry->val = val; + __entry->offset = offset; + __entry->buf = buf; + __entry->buflen = buflen; + __entry->ret = ret; + ), + TP_printk(DEV_PR_FMT + "%d p:%08x req:%02hhx %02hhx val:%04hx %04hx buf:%d %d", + DEV_PR_ARG, __entry->ret, __entry->pipe, __entry->req, + __entry->req_type, __entry->val, __entry->offset, + !!__entry->buf, __entry->buflen) +); + +DECLARE_EVENT_CLASS(dev_rf_reg_evt, + TP_PROTO(struct mt76_dev *dev, u8 bank, u8 reg, u8 val), + TP_ARGS(dev, bank, reg, val), + TP_STRUCT__entry( + DEV_ENTRY + __field(u8, bank) + __field(u8, reg) + __field(u8, val) + ), + TP_fast_assign( + DEV_ASSIGN; + REG_ASSIGN; + __entry->bank = bank; + ), + TP_printk( + DEV_PR_FMT "%02hhx:%02hhx=%02hhx", + DEV_PR_ARG, __entry->bank, __entry->reg, __entry->val + ) +); + +DEFINE_EVENT(dev_rf_reg_evt, mt76x0_rf_read, + TP_PROTO(struct mt76_dev *dev, u8 bank, u8 reg, u8 val), + TP_ARGS(dev, bank, reg, val) +); + +DEFINE_EVENT(dev_rf_reg_evt, mt76x0_rf_write, + TP_PROTO(struct mt76_dev *dev, u8 bank, u8 reg, u8 val), + TP_ARGS(dev, bank, reg, val) +); + +DECLARE_EVENT_CLASS(dev_simple_evt, + TP_PROTO(struct mt76_dev *dev, u8 val), + TP_ARGS(dev, val), + TP_STRUCT__entry( + DEV_ENTRY + __field(u8, val) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->val = val; + ), + TP_printk( + DEV_PR_FMT "%02hhx", DEV_PR_ARG, __entry->val + ) +); + +TRACE_EVENT(mt76x0_rx, + TP_PROTO(struct mt76_dev *dev, struct mt76x0_rxwi *rxwi, u32 f), + TP_ARGS(dev, rxwi, f), + TP_STRUCT__entry( + DEV_ENTRY + __field_struct(struct mt76x0_rxwi, rxwi) + __field(u32, fce_info) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->rxwi = *rxwi; + __entry->fce_info = f; + ), + TP_printk(DEV_PR_FMT "rxi:%08x ctl:%08x", DEV_PR_ARG, + le32_to_cpu(__entry->rxwi.rxinfo), + le32_to_cpu(__entry->rxwi.ctl)) +); + +TRACE_EVENT(mt76x0_tx, + TP_PROTO(struct mt76_dev *dev, struct sk_buff *skb, + struct mt76_sta *sta, struct mt76_txwi *h), + TP_ARGS(dev, skb, sta, h), + TP_STRUCT__entry( + DEV_ENTRY + __field_struct(struct mt76_txwi, h) + __field(struct sk_buff *, skb) + __field(struct mt76_sta *, sta) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->h = *h; + __entry->skb = skb; + __entry->sta = sta; + ), + TP_printk(DEV_PR_FMT "skb:%p sta:%p flg:%04hx rate_ctl:%04hx " + "ack:%02hhx wcid:%02hhx len_ctl:%05hx", DEV_PR_ARG, + __entry->skb, __entry->sta, + le16_to_cpu(__entry->h.flags), + le16_to_cpu(__entry->h.rate_ctl), + __entry->h.ack_ctl, __entry->h.wcid, + le16_to_cpu(__entry->h.len_ctl)) +); + +TRACE_EVENT(mt76x0_tx_dma_done, + TP_PROTO(struct mt76_dev *dev, struct sk_buff *skb), + TP_ARGS(dev, skb), + TP_STRUCT__entry( + DEV_ENTRY + __field(struct sk_buff *, skb) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->skb = skb; + ), + TP_printk(DEV_PR_FMT "%p", DEV_PR_ARG, __entry->skb) +); + +TRACE_EVENT(mt76x0_tx_status_cleaned, + TP_PROTO(struct mt76_dev *dev, int cleaned), + TP_ARGS(dev, cleaned), + TP_STRUCT__entry( + DEV_ENTRY + __field(int, cleaned) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->cleaned = cleaned; + ), + TP_printk(DEV_PR_FMT "%d", DEV_PR_ARG, __entry->cleaned) +); + +TRACE_EVENT(mt76x0_tx_status, + TP_PROTO(struct mt76_dev *dev, u32 stat1, u32 stat2), + TP_ARGS(dev, stat1, stat2), + TP_STRUCT__entry( + DEV_ENTRY + __field(u32, stat1) __field(u32, stat2) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->stat1 = stat1; + __entry->stat2 = stat2; + ), + TP_printk(DEV_PR_FMT "%08x %08x", + DEV_PR_ARG, __entry->stat1, __entry->stat2) +); + +TRACE_EVENT(mt76x0_rx_dma_aggr, + TP_PROTO(struct mt76_dev *dev, int cnt, bool paged), + TP_ARGS(dev, cnt, paged), + TP_STRUCT__entry( + DEV_ENTRY + __field(u8, cnt) + __field(bool, paged) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->cnt = cnt; + __entry->paged = paged; + ), + TP_printk(DEV_PR_FMT "cnt:%d paged:%d", + DEV_PR_ARG, __entry->cnt, __entry->paged) +); + +DEFINE_EVENT(dev_simple_evt, mt76x0_set_key, + TP_PROTO(struct mt76_dev *dev, u8 val), + TP_ARGS(dev, val) +); + +TRACE_EVENT(mt76x0_set_shared_key, + TP_PROTO(struct mt76_dev *dev, u8 vid, u8 key), + TP_ARGS(dev, vid, key), + TP_STRUCT__entry( + DEV_ENTRY + __field(u8, vid) + __field(u8, key) + ), + TP_fast_assign( + DEV_ASSIGN; + __entry->vid = vid; + __entry->key = key; + ), + TP_printk(DEV_PR_FMT "phy:%02hhx off:%02hhx", + DEV_PR_ARG, __entry->vid, __entry->key) +); + +#endif + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +#include <trace/define_trace.h> diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c b/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c new file mode 100644 index 000000000000..751b49c28ae5 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/tx.c @@ -0,0 +1,270 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" +#include "trace.h" + +/* Take mac80211 Q id from the skb and translate it to hardware Q id */ +static u8 skb2q(struct sk_buff *skb) +{ + int qid = skb_get_queue_mapping(skb); + + if (WARN_ON(qid >= MT_TXQ_PSD)) { + qid = MT_TXQ_BE; + skb_set_queue_mapping(skb, qid); + } + + return q2hwq(qid); +} + +static void mt76x0_tx_skb_remove_dma_overhead(struct sk_buff *skb, + struct ieee80211_tx_info *info) +{ + int pkt_len = (unsigned long)info->status.status_driver_data[0]; + + skb_pull(skb, sizeof(struct mt76_txwi) + 4); + if (ieee80211_get_hdrlen_from_skb(skb) % 4) + mt76x0_remove_hdr_pad(skb); + + skb_trim(skb, pkt_len); +} + +void mt76x0_tx_status(struct mt76x0_dev *dev, struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + mt76x0_tx_skb_remove_dma_overhead(skb, info); + + ieee80211_tx_info_clear_status(info); + info->status.rates[0].idx = -1; + info->flags |= IEEE80211_TX_STAT_ACK; + + spin_lock(&dev->mac_lock); + ieee80211_tx_status(dev->mt76.hw, skb); + spin_unlock(&dev->mac_lock); +} + +static int mt76x0_skb_rooms(struct mt76x0_dev *dev, struct sk_buff *skb) +{ + int hdr_len = ieee80211_get_hdrlen_from_skb(skb); + u32 need_head; + + need_head = sizeof(struct mt76_txwi) + 4; + if (hdr_len % 4) + need_head += 2; + + return skb_cow(skb, need_head); +} + +static struct mt76_txwi * +mt76x0_push_txwi(struct mt76x0_dev *dev, struct sk_buff *skb, + struct ieee80211_sta *sta, struct mt76_wcid *wcid, + int pkt_len) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_rate *rate = &info->control.rates[0]; + struct mt76_txwi *txwi; + unsigned long flags; + u16 txwi_flags = 0; + u32 pkt_id; + u16 rate_ctl; + u8 nss; + + txwi = (struct mt76_txwi *)skb_push(skb, sizeof(struct mt76_txwi)); + memset(txwi, 0, sizeof(*txwi)); + + if (!wcid->tx_rate_set) + ieee80211_get_tx_rates(info->control.vif, sta, skb, + info->control.rates, 1); + + spin_lock_irqsave(&dev->mt76.lock, flags); + if (rate->idx < 0 || !rate->count) { + rate_ctl = wcid->tx_rate; + nss = wcid->tx_rate_nss; + } else { + rate_ctl = mt76x0_mac_tx_rate_val(dev, rate, &nss); + } + spin_unlock_irqrestore(&dev->mt76.lock, flags); + + txwi->rate_ctl = cpu_to_le16(rate_ctl); + + if (info->flags & IEEE80211_TX_CTL_LDPC) + txwi->rate_ctl |= cpu_to_le16(MT_RXWI_RATE_LDPC); + if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1) + txwi->rate_ctl |= cpu_to_le16(MT_RXWI_RATE_STBC); + if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC) + txwi_flags |= MT_TXWI_FLAGS_MMPS; + + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) { + txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ; + pkt_id = 1; + } else { + pkt_id = 0; + } + + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) + pkt_id |= MT_TXWI_PKTID_PROBE; + + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) + txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ; + + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) { + u8 ba_size = IEEE80211_MIN_AMPDU_BUF; + + ba_size <<= sta->ht_cap.ampdu_factor; + ba_size = min_t(int, 7, ba_size - 1); + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) { + ba_size = 0; + } else { + txwi_flags |= MT_TXWI_FLAGS_AMPDU; + txwi_flags |= FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY, + sta->ht_cap.ampdu_density); + } + txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size); + } + + txwi->wcid = wcid->idx; + txwi->flags |= cpu_to_le16(txwi_flags); + txwi->len_ctl = cpu_to_le16(pkt_len); + txwi->pktid = pkt_id; + + return txwi; +} + +void mt76x0_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct mt76x0_dev *dev = hw->priv; + struct ieee80211_vif *vif = info->control.vif; + struct ieee80211_sta *sta = control->sta; + struct mt76_sta *msta = NULL; + struct mt76_wcid *wcid = dev->mon_wcid; + struct mt76_txwi *txwi; + int pkt_len = skb->len; + int hw_q = skb2q(skb); + + BUILD_BUG_ON(ARRAY_SIZE(info->status.status_driver_data) < 1); + info->status.status_driver_data[0] = (void *)(unsigned long)pkt_len; + + if (mt76x0_skb_rooms(dev, skb) || mt76x0_insert_hdr_pad(skb)) { + ieee80211_free_txskb(dev->mt76.hw, skb); + return; + } + + if (sta) { + msta = (struct mt76_sta *) sta->drv_priv; + wcid = &msta->wcid; + } else if (vif && (!info->control.hw_key && wcid->hw_key_idx != -1)) { + struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv; + + wcid = &mvif->group_wcid; + } + + txwi = mt76x0_push_txwi(dev, skb, sta, wcid, pkt_len); + + if (mt76x0_dma_enqueue_tx(dev, skb, wcid, hw_q)) + return; + + trace_mt76x0_tx(&dev->mt76, skb, msta, txwi); +} + +void mt76x0_tx_stat(struct work_struct *work) +{ + struct mt76x0_dev *dev = container_of(work, struct mt76x0_dev, + stat_work.work); + struct mt76_tx_status stat; + unsigned long flags; + int cleaned = 0; + u8 update = 1; + + while (!test_bit(MT76_REMOVED, &dev->mt76.state)) { + stat = mt76x0_mac_fetch_tx_status(dev); + if (!stat.valid) + break; + + mt76x0_send_tx_status(dev, &stat, &update); + + cleaned++; + } + trace_mt76x0_tx_status_cleaned(&dev->mt76, cleaned); + + spin_lock_irqsave(&dev->tx_lock, flags); + if (cleaned) + queue_delayed_work(dev->stat_wq, &dev->stat_work, + msecs_to_jiffies(10)); + else if (test_and_clear_bit(MT76_MORE_STATS, &dev->mt76.state)) + queue_delayed_work(dev->stat_wq, &dev->stat_work, + msecs_to_jiffies(20)); + else + clear_bit(MT76_READING_STATS, &dev->mt76.state); + spin_unlock_irqrestore(&dev->tx_lock, flags); +} + +int mt76x0_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u16 queue, const struct ieee80211_tx_queue_params *params) +{ + struct mt76x0_dev *dev = hw->priv; + u8 cw_min = 5, cw_max = 10, hw_q = q2hwq(queue); + u32 val; + + /* TODO: should we do funny things with the parameters? + * See what mt76x0_set_default_edca() used to do in init.c. + */ + + if (params->cw_min) + cw_min = fls(params->cw_min); + if (params->cw_max) + cw_max = fls(params->cw_max); + + WARN_ON(params->txop > 0xff); + WARN_ON(params->aifs > 0xf); + WARN_ON(cw_min > 0xf); + WARN_ON(cw_max > 0xf); + + val = FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) | + FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) | + FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max); + /* TODO: based on user-controlled EnableTxBurst var vendor drv sets + * a really long txop on AC0 (see connect.c:2009) but only on + * connect? When not connected should be 0. + */ + if (!hw_q) + val |= 0x60; + else + val |= FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop); + mt76_wr(dev, MT_EDCA_CFG_AC(hw_q), val); + + val = mt76_rr(dev, MT_WMM_TXOP(hw_q)); + val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(hw_q)); + val |= params->txop << MT_WMM_TXOP_SHIFT(hw_q); + mt76_wr(dev, MT_WMM_TXOP(hw_q), val); + + val = mt76_rr(dev, MT_WMM_AIFSN); + val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(hw_q)); + val |= params->aifs << MT_WMM_AIFSN_SHIFT(hw_q); + mt76_wr(dev, MT_WMM_AIFSN, val); + + val = mt76_rr(dev, MT_WMM_CWMIN); + val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(hw_q)); + val |= cw_min << MT_WMM_CWMIN_SHIFT(hw_q); + mt76_wr(dev, MT_WMM_CWMIN, val); + + val = mt76_rr(dev, MT_WMM_CWMAX); + val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(hw_q)); + val |= cw_max << MT_WMM_CWMAX_SHIFT(hw_q); + mt76_wr(dev, MT_WMM_CWMAX, val); + + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c new file mode 100644 index 000000000000..54ae1f113be2 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.c @@ -0,0 +1,381 @@ +/* + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/usb.h> + +#include "mt76x0.h" +#include "usb.h" +#include "trace.h" + +static struct usb_device_id mt76x0_device_table[] = { + { USB_DEVICE(0x148F, 0x7610) }, /* MT7610U */ + { USB_DEVICE(0x13B1, 0x003E) }, /* Linksys AE6000 */ + { USB_DEVICE(0x0E8D, 0x7610) }, /* Sabrent NTWLAC */ + { USB_DEVICE(0x7392, 0xa711) }, /* Edimax 7711mac */ + { USB_DEVICE(0x7392, 0xb711) }, /* Edimax / Elecom */ + { USB_DEVICE(0x148f, 0x761a) }, /* TP-Link TL-WDN5200 */ + { USB_DEVICE(0x148f, 0x760a) }, /* TP-Link unknown */ + { USB_DEVICE(0x0b05, 0x17d1) }, /* Asus USB-AC51 */ + { USB_DEVICE(0x0b05, 0x17db) }, /* Asus USB-AC50 */ + { USB_DEVICE(0x0df6, 0x0075) }, /* Sitecom WLA-3100 */ + { USB_DEVICE(0x2019, 0xab31) }, /* Planex GW-450D */ + { USB_DEVICE(0x2001, 0x3d02) }, /* D-LINK DWA-171 rev B1 */ + { USB_DEVICE(0x0586, 0x3425) }, /* Zyxel NWD6505 */ + { USB_DEVICE(0x07b8, 0x7610) }, /* AboCom AU7212 */ + { USB_DEVICE(0x04bb, 0x0951) }, /* I-O DATA WN-AC433UK */ + { USB_DEVICE(0x057c, 0x8502) }, /* AVM FRITZ!WLAN USB Stick AC 430 */ + { USB_DEVICE(0x293c, 0x5702) }, /* Comcast Xfinity KXW02AAA */ + { USB_DEVICE(0x20f4, 0x806b) }, /* TRENDnet TEW-806UBH */ + { USB_DEVICE(0x7392, 0xc711) }, /* Devolo Wifi ac Stick */ + { USB_DEVICE(0x0df6, 0x0079) }, /* Sitecom Europe B.V. ac Stick */ + { USB_DEVICE(0x2357, 0x0105) }, /* TP-LINK Archer T1U */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7630, 0xff, 0x2, 0xff)}, /* MT7630U */ + { USB_DEVICE_AND_INTERFACE_INFO(0x0E8D, 0x7650, 0xff, 0x2, 0xff)}, /* MT7650U */ + { 0, } +}; + +bool mt76x0_usb_alloc_buf(struct mt76x0_dev *dev, size_t len, + struct mt76x0_dma_buf *buf) +{ + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + + buf->len = len; + buf->urb = usb_alloc_urb(0, GFP_KERNEL); + buf->buf = usb_alloc_coherent(usb_dev, buf->len, GFP_KERNEL, &buf->dma); + + return !buf->urb || !buf->buf; +} + +void mt76x0_usb_free_buf(struct mt76x0_dev *dev, struct mt76x0_dma_buf *buf) +{ + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + + usb_free_coherent(usb_dev, buf->len, buf->buf, buf->dma); + usb_free_urb(buf->urb); +} + +int mt76x0_usb_submit_buf(struct mt76x0_dev *dev, int dir, int ep_idx, + struct mt76x0_dma_buf *buf, gfp_t gfp, + usb_complete_t complete_fn, void *context) +{ + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + unsigned pipe; + int ret; + + if (dir == USB_DIR_IN) + pipe = usb_rcvbulkpipe(usb_dev, dev->in_ep[ep_idx]); + else + pipe = usb_sndbulkpipe(usb_dev, dev->out_ep[ep_idx]); + + usb_fill_bulk_urb(buf->urb, usb_dev, pipe, buf->buf, buf->len, + complete_fn, context); + buf->urb->transfer_dma = buf->dma; + buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + trace_mt76x0_submit_urb(&dev->mt76, buf->urb); + ret = usb_submit_urb(buf->urb, gfp); + if (ret) + dev_err(dev->mt76.dev, "Error: submit URB dir:%d ep:%d failed:%d\n", + dir, ep_idx, ret); + return ret; +} + +void mt76x0_complete_urb(struct urb *urb) +{ + struct completion *cmpl = urb->context; + + complete(cmpl); +} + +int mt76x0_vendor_request(struct mt76x0_dev *dev, const u8 req, + const u8 direction, const u16 val, const u16 offset, + void *buf, const size_t buflen) +{ + int i, ret; + struct usb_device *usb_dev = mt76x0_to_usb_dev(dev); + const u8 req_type = direction | USB_TYPE_VENDOR | USB_RECIP_DEVICE; + const unsigned int pipe = (direction == USB_DIR_IN) ? + usb_rcvctrlpipe(usb_dev, 0) : usb_sndctrlpipe(usb_dev, 0); + + for (i = 0; i < MT_VEND_REQ_MAX_RETRY; i++) { + ret = usb_control_msg(usb_dev, pipe, req, req_type, + val, offset, buf, buflen, + MT_VEND_REQ_TOUT_MS); + trace_mt76x0_vend_req(&dev->mt76, pipe, req, req_type, val, offset, + buf, buflen, ret); + + if (ret == -ENODEV) + set_bit(MT76_REMOVED, &dev->mt76.state); + if (ret >= 0 || ret == -ENODEV) + return ret; + + msleep(5); + } + + dev_err(dev->mt76.dev, "Vendor request req:%02x off:%04x failed:%d\n", + req, offset, ret); + + return ret; +} + +void mt76x0_vendor_reset(struct mt76x0_dev *dev) +{ + mt76x0_vendor_request(dev, MT_VEND_DEV_MODE, USB_DIR_OUT, + MT_VEND_DEV_MODE_RESET, 0, NULL, 0); +} + +static u32 mt76x0_rr(struct mt76_dev *dev, u32 offset) +{ + struct mt76x0_dev *mdev = (struct mt76x0_dev *) dev; + int ret; + u32 val = ~0; + + WARN_ONCE(offset > USHRT_MAX, "read high off:%08x", offset); + + mutex_lock(&mdev->usb_ctrl_mtx); + + ret = mt76x0_vendor_request((struct mt76x0_dev *)dev, MT_VEND_MULTI_READ, USB_DIR_IN, + 0, offset, mdev->data, MT_VEND_BUF); + if (ret == MT_VEND_BUF) + val = get_unaligned_le32(mdev->data); + else if (ret > 0) + dev_err(dev->dev, "Error: wrong size read:%d off:%08x\n", + ret, offset); + + mutex_unlock(&mdev->usb_ctrl_mtx); + + trace_mt76x0_reg_read(dev, offset, val); + return val; +} + +int mt76x0_vendor_single_wr(struct mt76x0_dev *dev, const u8 req, + const u16 offset, const u32 val) +{ + struct mt76x0_dev *mdev = dev; + int ret; + + mutex_lock(&mdev->usb_ctrl_mtx); + + ret = mt76x0_vendor_request(dev, req, USB_DIR_OUT, + val & 0xffff, offset, NULL, 0); + if (!ret) + ret = mt76x0_vendor_request(dev, req, USB_DIR_OUT, + val >> 16, offset + 2, NULL, 0); + + mutex_unlock(&mdev->usb_ctrl_mtx); + + return ret; +} + +static void mt76x0_wr(struct mt76_dev *dev, u32 offset, u32 val) +{ + struct mt76x0_dev *mdev = (struct mt76x0_dev *) dev; + int ret; + + WARN_ONCE(offset > USHRT_MAX, "write high off:%08x", offset); + + mutex_lock(&mdev->usb_ctrl_mtx); + + put_unaligned_le32(val, mdev->data); + ret = mt76x0_vendor_request(mdev, MT_VEND_MULTI_WRITE, USB_DIR_OUT, + 0, offset, mdev->data, MT_VEND_BUF); + trace_mt76x0_reg_write(dev, offset, val); + + mutex_unlock(&mdev->usb_ctrl_mtx); +} + +static u32 mt76x0_rmw(struct mt76_dev *dev, u32 offset, u32 mask, u32 val) +{ + val |= mt76x0_rr(dev, offset) & ~mask; + mt76x0_wr(dev, offset, val); + return val; +} + +static void mt76x0_wr_copy(struct mt76_dev *dev, u32 offset, + const void *data, int len) +{ + WARN_ONCE(offset & 3, "unaligned write copy off:%08x", offset); + WARN_ONCE(len & 3, "short write copy off:%08x", offset); + + mt76x0_burst_write_regs((struct mt76x0_dev *) dev, offset, data, len / 4); +} + +void mt76x0_addr_wr(struct mt76x0_dev *dev, const u32 offset, const u8 *addr) +{ + mt76_wr(dev, offset, get_unaligned_le32(addr)); + mt76_wr(dev, offset + 4, addr[4] | addr[5] << 8); +} + +static int mt76x0_assign_pipes(struct usb_interface *usb_intf, + struct mt76x0_dev *dev) +{ + struct usb_endpoint_descriptor *ep_desc; + struct usb_host_interface *intf_desc = usb_intf->cur_altsetting; + unsigned i, ep_i = 0, ep_o = 0; + + BUILD_BUG_ON(sizeof(dev->in_ep) < __MT_EP_IN_MAX); + BUILD_BUG_ON(sizeof(dev->out_ep) < __MT_EP_OUT_MAX); + + for (i = 0; i < intf_desc->desc.bNumEndpoints; i++) { + ep_desc = &intf_desc->endpoint[i].desc; + + if (usb_endpoint_is_bulk_in(ep_desc) && + ep_i++ < __MT_EP_IN_MAX) { + dev->in_ep[ep_i - 1] = usb_endpoint_num(ep_desc); + dev->in_max_packet = usb_endpoint_maxp(ep_desc); + /* Note: this is ignored by usb sub-system but vendor + * code does it. We can drop this at some point. + */ + dev->in_ep[ep_i - 1] |= USB_DIR_IN; + } else if (usb_endpoint_is_bulk_out(ep_desc) && + ep_o++ < __MT_EP_OUT_MAX) { + dev->out_ep[ep_o - 1] = usb_endpoint_num(ep_desc); + dev->out_max_packet = usb_endpoint_maxp(ep_desc); + } + } + + if (ep_i != __MT_EP_IN_MAX || ep_o != __MT_EP_OUT_MAX) { + dev_err(dev->mt76.dev, "Error: wrong pipe number in:%d out:%d\n", + ep_i, ep_o); + return -EINVAL; + } + + return 0; +} + +static int mt76x0_probe(struct usb_interface *usb_intf, + const struct usb_device_id *id) +{ + struct usb_device *usb_dev = interface_to_usbdev(usb_intf); + struct mt76x0_dev *dev; + u32 asic_rev, mac_rev; + int ret; + static const struct mt76_bus_ops usb_ops = { + .rr = mt76x0_rr, + .wr = mt76x0_wr, + .rmw = mt76x0_rmw, + .copy = mt76x0_wr_copy, + }; + + dev = mt76x0_alloc_device(&usb_intf->dev); + if (!dev) + return -ENOMEM; + + usb_dev = usb_get_dev(usb_dev); + usb_reset_device(usb_dev); + + usb_set_intfdata(usb_intf, dev); + + dev->mt76.bus = &usb_ops; + + ret = mt76x0_assign_pipes(usb_intf, dev); + if (ret) + goto err; + + /* Disable the HW, otherwise MCU fail to initalize on hot reboot */ + mt76x0_chip_onoff(dev, false, false); + + ret = mt76x0_wait_asic_ready(dev); + if (ret) + goto err; + + asic_rev = mt76_rr(dev, MT_ASIC_VERSION); + mac_rev = mt76_rr(dev, MT_MAC_CSR0); + dev_info(dev->mt76.dev, "ASIC revision: %08x MAC revision: %08x\n", + asic_rev, mac_rev); + + /* Note: vendor driver skips this check for MT76X0U */ + if (!(mt76_rr(dev, MT_EFUSE_CTRL) & MT_EFUSE_CTRL_SEL)) + dev_warn(dev->mt76.dev, "Warning: eFUSE not present\n"); + + ret = mt76x0_init_hardware(dev); + if (ret) + goto err; + + ret = mt76x0_register_device(dev); + if (ret) + goto err_hw; + + set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); + + return 0; +err_hw: + mt76x0_cleanup(dev); +err: + usb_set_intfdata(usb_intf, NULL); + usb_put_dev(interface_to_usbdev(usb_intf)); + + destroy_workqueue(dev->stat_wq); + ieee80211_free_hw(dev->mt76.hw); + return ret; +} + +static void mt76x0_disconnect(struct usb_interface *usb_intf) +{ + struct mt76x0_dev *dev = usb_get_intfdata(usb_intf); + bool initalized = test_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); + + if (!initalized) + return; + + ieee80211_unregister_hw(dev->mt76.hw); + mt76x0_cleanup(dev); + + usb_set_intfdata(usb_intf, NULL); + usb_put_dev(interface_to_usbdev(usb_intf)); + + destroy_workqueue(dev->stat_wq); + ieee80211_free_hw(dev->mt76.hw); +} + +static int mt76x0_suspend(struct usb_interface *usb_intf, pm_message_t state) +{ + struct mt76x0_dev *dev = usb_get_intfdata(usb_intf); + + mt76x0_cleanup(dev); + + return 0; +} + +static int mt76x0_resume(struct usb_interface *usb_intf) +{ + struct mt76x0_dev *dev = usb_get_intfdata(usb_intf); + int ret; + + ret = mt76x0_init_hardware(dev); + if (ret) + return ret; + + set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); + + return 0; +} + +MODULE_DEVICE_TABLE(usb, mt76x0_device_table); +MODULE_FIRMWARE(MT7610_FIRMWARE); +MODULE_LICENSE("GPL"); + +static struct usb_driver mt76x0_driver = { + .name = KBUILD_MODNAME, + .id_table = mt76x0_device_table, + .probe = mt76x0_probe, + .disconnect = mt76x0_disconnect, + .suspend = mt76x0_suspend, + .resume = mt76x0_resume, + .reset_resume = mt76x0_resume, + .soft_unbind = 1, + .disable_hub_initiated_lpm = 1, +}; +module_usb_driver(mt76x0_driver); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h new file mode 100644 index 000000000000..492e431390a8 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/usb.h @@ -0,0 +1,61 @@ +/* + * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __MT76X0U_USB_H +#define __MT76X0U_USB_H + +#include "mt76x0.h" + +#define MT7610_FIRMWARE "mediatek/mt7610u.bin" + +#define MT_VEND_REQ_MAX_RETRY 10 +#define MT_VEND_REQ_TOUT_MS 300 + +#define MT_VEND_DEV_MODE_RESET 1 + +#define MT_VEND_BUF sizeof(__le32) + +static inline struct usb_device *mt76x0_to_usb_dev(struct mt76x0_dev *mt76x0) +{ + return interface_to_usbdev(to_usb_interface(mt76x0->mt76.dev)); +} + +static inline struct usb_device *mt76_to_usb_dev(struct mt76_dev *mt76) +{ + return interface_to_usbdev(to_usb_interface(mt76->dev)); +} + +static inline bool mt76x0_urb_has_error(struct urb *urb) +{ + return urb->status && + urb->status != -ENOENT && + urb->status != -ECONNRESET && + urb->status != -ESHUTDOWN; +} + +bool mt76x0_usb_alloc_buf(struct mt76x0_dev *dev, size_t len, + struct mt76x0_dma_buf *buf); +void mt76x0_usb_free_buf(struct mt76x0_dev *dev, struct mt76x0_dma_buf *buf); +int mt76x0_usb_submit_buf(struct mt76x0_dev *dev, int dir, int ep_idx, + struct mt76x0_dma_buf *buf, gfp_t gfp, + usb_complete_t complete_fn, void *context); +void mt76x0_complete_urb(struct urb *urb); + +int mt76x0_vendor_request(struct mt76x0_dev *dev, const u8 req, + const u8 direction, const u16 val, const u16 offset, + void *buf, const size_t buflen); +void mt76x0_vendor_reset(struct mt76x0_dev *dev); +int mt76x0_vendor_single_wr(struct mt76x0_dev *dev, const u8 req, + const u16 offset, const u32 val); + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x0/util.c b/drivers/net/wireless/mediatek/mt76/mt76x0/util.c new file mode 100644 index 000000000000..7856dd760419 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x0/util.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 + * as published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include "mt76x0.h" + +void mt76x0_remove_hdr_pad(struct sk_buff *skb) +{ + int len = ieee80211_get_hdrlen_from_skb(skb); + + memmove(skb->data + 2, skb->data, len); + skb_pull(skb, 2); +} + +int mt76x0_insert_hdr_pad(struct sk_buff *skb) +{ + int len = ieee80211_get_hdrlen_from_skb(skb); + int ret; + + if (len % 4 == 0) + return 0; + + ret = skb_cow(skb, 2); + if (ret) + return ret; + + skb_push(skb, 2); + memmove(skb->data, skb->data + 2, len); + + skb->data[len] = 0; + skb->data[len + 1] = 0; + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2.h b/drivers/net/wireless/mediatek/mt76/mt76x2.h index dc12bbdbb2ee..dca3209bf5f1 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2.h @@ -27,11 +27,15 @@ #include <linux/mutex.h> #include <linux/bitops.h> #include <linux/kfifo.h> +#include <linux/average.h> #define MT7662_FIRMWARE "mt7662.bin" #define MT7662_ROM_PATCH "mt7662_rom_patch.bin" #define MT7662_EEPROM_SIZE 512 +#define MT7662U_FIRMWARE "mediatek/mt7662u.bin" +#define MT7662U_ROM_PATCH "mediatek/mt7662u_rom_patch.bin" + #define MT76x2_RX_RING_SIZE 256 #define MT_RX_HEADROOM 32 @@ -47,11 +51,14 @@ #include "mt76x2_mac.h" #include "mt76x2_dfs.h" +DECLARE_EWMA(signal, 10, 8) + struct mt76x2_mcu { struct mutex mutex; wait_queue_head_t wait; struct sk_buff_head res_q; + struct mt76u_buf res_u; u32 msg_seq; }; @@ -69,9 +76,8 @@ struct mt76x2_calibration { u8 agc_gain_init[MT_MAX_CHAINS]; u8 agc_gain_cur[MT_MAX_CHAINS]; - int avg_rssi[MT_MAX_CHAINS]; - int avg_rssi_all; - + u16 false_cca; + s8 avg_rssi_all; s8 agc_gain_adjust; s8 low_gain; @@ -120,10 +126,13 @@ struct mt76x2_dev { u8 beacon_mask; u8 beacon_data_mask; - u32 rxfilter; + u8 tbtt_count; + u16 beacon_int; u16 chainmask; + u32 rxfilter; + struct mt76x2_calibration cal; s8 target_power; @@ -149,8 +158,28 @@ struct mt76x2_sta { struct mt76x2_vif *vif; struct mt76x2_tx_status status; int n_frames; + + struct ewma_signal rssi; + int inactive_count; }; +static inline bool mt76x2_wait_for_mac(struct mt76x2_dev *dev) +{ + int i; + + for (i = 0; i < 500; i++) { + switch (mt76_rr(dev, MT_MAC_CSR0)) { + case 0: + case ~0: + break; + default: + return true; + } + usleep_range(5000, 10000); + } + return false; +} + static inline bool is_mt7612(struct mt76x2_dev *dev) { return mt76_chip(&dev->mt76) == 0x7612; @@ -158,6 +187,14 @@ static inline bool is_mt7612(struct mt76x2_dev *dev) void mt76x2_set_irq_mask(struct mt76x2_dev *dev, u32 clear, u32 set); +static inline bool mt76x2_channel_silent(struct mt76x2_dev *dev) +{ + struct ieee80211_channel *chan = dev->mt76.chandef.chan; + + return ((chan->flags & IEEE80211_CHAN_RADAR) && + chan->dfs_state != NL80211_DFS_AVAILABLE); +} + static inline void mt76x2_irq_enable(struct mt76x2_dev *dev, u32 mask) { mt76x2_set_irq_mask(dev, 0, mask); @@ -168,11 +205,29 @@ static inline void mt76x2_irq_disable(struct mt76x2_dev *dev, u32 mask) mt76x2_set_irq_mask(dev, mask, 0); } +static inline bool mt76x2_wait_for_bbp(struct mt76x2_dev *dev) +{ + return mt76_poll_msec(dev, MT_MAC_STATUS, + MT_MAC_STATUS_TX | MT_MAC_STATUS_RX, + 0, 100); +} + +static inline bool wait_for_wpdma(struct mt76x2_dev *dev) +{ + return mt76_poll(dev, MT_WPDMA_GLO_CFG, + MT_WPDMA_GLO_CFG_TX_DMA_BUSY | + MT_WPDMA_GLO_CFG_RX_DMA_BUSY, + 0, 1000); +} + extern const struct ieee80211_ops mt76x2_ops; +extern struct ieee80211_rate mt76x2_rates[12]; + struct mt76x2_dev *mt76x2_alloc_device(struct device *pdev); int mt76x2_register_device(struct mt76x2_dev *dev); void mt76x2_init_debugfs(struct mt76x2_dev *dev); +void mt76x2_init_device(struct mt76x2_dev *dev); irqreturn_t mt76x2_irq_handler(int irq, void *dev_instance); void mt76x2_phy_power_on(struct mt76x2_dev *dev); @@ -186,7 +241,7 @@ void mt76x2_phy_set_antenna(struct mt76x2_dev *dev); int mt76x2_phy_start(struct mt76x2_dev *dev); int mt76x2_phy_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef); -int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain); +int mt76x2_mac_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain); void mt76x2_phy_calibrate(struct work_struct *work); void mt76x2_phy_set_txpower(struct mt76x2_dev *dev); @@ -214,6 +269,7 @@ int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, u32 *tx_info); void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, struct mt76_queue_entry *e, bool flush); +void mt76x2_mac_set_tx_protection(struct mt76x2_dev *dev, u32 val); void mt76x2_pre_tbtt_tasklet(unsigned long arg); @@ -230,4 +286,45 @@ s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev, s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj); void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr); +int mt76x2_insert_hdr_pad(struct sk_buff *skb); + +bool mt76x2_mac_load_tx_status(struct mt76x2_dev *dev, + struct mt76x2_tx_status *stat); +void mt76x2_send_tx_status(struct mt76x2_dev *dev, + struct mt76x2_tx_status *stat, u8 *update); +void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable); +void mt76x2_init_txpower(struct mt76x2_dev *dev, + struct ieee80211_supported_band *sband); +void mt76_write_mac_initvals(struct mt76x2_dev *dev); + +int mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params); +int mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +int mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta); +void mt76x2_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif); +int mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key); +int mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u16 queue, const struct ieee80211_tx_queue_params *params); +void mt76x2_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, u64 multicast); +void mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq); +void mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta); + +void mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev, + enum nl80211_band band); +void mt76x2_configure_tx_delay(struct mt76x2_dev *dev, + enum nl80211_band band, u8 bw); +void mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl); +void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper); +int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev); +void mt76x2_apply_gain_adj(struct mt76x2_dev *dev); + #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_common.c new file mode 100644 index 000000000000..a2338ba139b4 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_common.c @@ -0,0 +1,350 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2.h" + +void mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq) +{ + struct mt76_txq *mtxq; + + if (!txq) + return; + + mtxq = (struct mt76_txq *) txq->drv_priv; + if (txq->sta) { + struct mt76x2_sta *sta; + + sta = (struct mt76x2_sta *) txq->sta->drv_priv; + mtxq->wcid = &sta->wcid; + } else { + struct mt76x2_vif *mvif; + + mvif = (struct mt76x2_vif *) txq->vif->drv_priv; + mtxq->wcid = &mvif->group_wcid; + } + + mt76_txq_init(&dev->mt76, txq); +} +EXPORT_SYMBOL_GPL(mt76x2_txq_init); + +int mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_ampdu_params *params) +{ + enum ieee80211_ampdu_mlme_action action = params->action; + struct ieee80211_sta *sta = params->sta; + struct mt76x2_dev *dev = hw->priv; + struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; + struct ieee80211_txq *txq = sta->txq[params->tid]; + u16 tid = params->tid; + u16 *ssn = ¶ms->ssn; + struct mt76_txq *mtxq; + + if (!txq) + return -EINVAL; + + mtxq = (struct mt76_txq *)txq->drv_priv; + + switch (action) { + case IEEE80211_AMPDU_RX_START: + mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, *ssn, params->buf_size); + mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); + break; + case IEEE80211_AMPDU_RX_STOP: + mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); + mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, + BIT(16 + tid)); + break; + case IEEE80211_AMPDU_TX_OPERATIONAL: + mtxq->aggr = true; + mtxq->send_bar = false; + ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); + break; + case IEEE80211_AMPDU_TX_STOP_FLUSH: + case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: + mtxq->aggr = false; + ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); + break; + case IEEE80211_AMPDU_TX_START: + mtxq->agg_ssn = *ssn << 4; + ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + case IEEE80211_AMPDU_TX_STOP_CONT: + mtxq->aggr = false; + ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); + break; + } + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x2_ampdu_action); + +int mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x2_dev *dev = hw->priv; + struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; + struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv; + int ret = 0; + int idx = 0; + int i; + + mutex_lock(&dev->mutex); + + idx = mt76_wcid_alloc(dev->wcid_mask, ARRAY_SIZE(dev->wcid)); + if (idx < 0) { + ret = -ENOSPC; + goto out; + } + + msta->vif = mvif; + msta->wcid.sta = 1; + msta->wcid.idx = idx; + msta->wcid.hw_key_idx = -1; + mt76x2_mac_wcid_setup(dev, idx, mvif->idx, sta->addr); + mt76x2_mac_wcid_set_drop(dev, idx, false); + for (i = 0; i < ARRAY_SIZE(sta->txq); i++) + mt76x2_txq_init(dev, sta->txq[i]); + + if (vif->type == NL80211_IFTYPE_AP) + set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags); + + ewma_signal_init(&msta->rssi); + + rcu_assign_pointer(dev->wcid[idx], &msta->wcid); + +out: + mutex_unlock(&dev->mutex); + + return ret; +} +EXPORT_SYMBOL_GPL(mt76x2_sta_add); + +int mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x2_dev *dev = hw->priv; + struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; + int idx = msta->wcid.idx; + int i; + + mutex_lock(&dev->mutex); + rcu_assign_pointer(dev->wcid[idx], NULL); + for (i = 0; i < ARRAY_SIZE(sta->txq); i++) + mt76_txq_remove(&dev->mt76, sta->txq[i]); + mt76x2_mac_wcid_set_drop(dev, idx, true); + mt76_wcid_free(dev->wcid_mask, idx); + mt76x2_mac_wcid_setup(dev, idx, 0, NULL); + mutex_unlock(&dev->mutex); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x2_sta_remove); + +void mt76x2_remove_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x2_dev *dev = hw->priv; + + mt76_txq_remove(&dev->mt76, vif->txq); +} +EXPORT_SYMBOL_GPL(mt76x2_remove_interface); + +int mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, + struct ieee80211_vif *vif, struct ieee80211_sta *sta, + struct ieee80211_key_conf *key) +{ + struct mt76x2_dev *dev = hw->priv; + struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv; + struct mt76x2_sta *msta; + struct mt76_wcid *wcid; + int idx = key->keyidx; + int ret; + + /* fall back to sw encryption for unsupported ciphers */ + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + break; + default: + return -EOPNOTSUPP; + } + + /* + * The hardware does not support per-STA RX GTK, fall back + * to software mode for these. + */ + if ((vif->type == NL80211_IFTYPE_ADHOC || + vif->type == NL80211_IFTYPE_MESH_POINT) && + (key->cipher == WLAN_CIPHER_SUITE_TKIP || + key->cipher == WLAN_CIPHER_SUITE_CCMP) && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) + return -EOPNOTSUPP; + + msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL; + wcid = msta ? &msta->wcid : &mvif->group_wcid; + + if (cmd == SET_KEY) { + key->hw_key_idx = wcid->idx; + wcid->hw_key_idx = idx; + if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) { + key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; + wcid->sw_iv = true; + } + } else { + if (idx == wcid->hw_key_idx) { + wcid->hw_key_idx = -1; + wcid->sw_iv = true; + } + + key = NULL; + } + mt76_wcid_key_setup(&dev->mt76, wcid, key); + + if (!msta) { + if (key || wcid->hw_key_idx == idx) { + ret = mt76x2_mac_wcid_set_key(dev, wcid->idx, key); + if (ret) + return ret; + } + + return mt76x2_mac_shared_key_setup(dev, mvif->idx, idx, key); + } + + return mt76x2_mac_wcid_set_key(dev, msta->wcid.idx, key); +} +EXPORT_SYMBOL_GPL(mt76x2_set_key); + +int mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + u16 queue, const struct ieee80211_tx_queue_params *params) +{ + struct mt76x2_dev *dev = hw->priv; + u8 cw_min = 5, cw_max = 10, qid; + u32 val; + + qid = dev->mt76.q_tx[queue].hw_idx; + + if (params->cw_min) + cw_min = fls(params->cw_min); + if (params->cw_max) + cw_max = fls(params->cw_max); + + val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) | + FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) | + FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) | + FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max); + mt76_wr(dev, MT_EDCA_CFG_AC(qid), val); + + val = mt76_rr(dev, MT_WMM_TXOP(qid)); + val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(qid)); + val |= params->txop << MT_WMM_TXOP_SHIFT(qid); + mt76_wr(dev, MT_WMM_TXOP(qid), val); + + val = mt76_rr(dev, MT_WMM_AIFSN); + val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid)); + val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid); + mt76_wr(dev, MT_WMM_AIFSN, val); + + val = mt76_rr(dev, MT_WMM_CWMIN); + val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(qid)); + val |= cw_min << MT_WMM_CWMIN_SHIFT(qid); + mt76_wr(dev, MT_WMM_CWMIN, val); + + val = mt76_rr(dev, MT_WMM_CWMAX); + val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(qid)); + val |= cw_max << MT_WMM_CWMAX_SHIFT(qid); + mt76_wr(dev, MT_WMM_CWMAX, val); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x2_conf_tx); + +void mt76x2_configure_filter(struct ieee80211_hw *hw, + unsigned int changed_flags, + unsigned int *total_flags, u64 multicast) +{ + struct mt76x2_dev *dev = hw->priv; + u32 flags = 0; + +#define MT76_FILTER(_flag, _hw) do { \ + flags |= *total_flags & FIF_##_flag; \ + dev->rxfilter &= ~(_hw); \ + dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ + } while (0) + + mutex_lock(&dev->mutex); + + dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS; + + MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR); + MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR); + MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK | + MT_RX_FILTR_CFG_CTS | + MT_RX_FILTR_CFG_CFEND | + MT_RX_FILTR_CFG_CFACK | + MT_RX_FILTR_CFG_BA | + MT_RX_FILTR_CFG_CTRL_RSV); + MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL); + + *total_flags = flags; + mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); + + mutex_unlock(&dev->mutex); +} +EXPORT_SYMBOL_GPL(mt76x2_configure_filter); + +void mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta) +{ + struct mt76x2_dev *dev = hw->priv; + struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; + struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates); + struct ieee80211_tx_rate rate = {}; + + if (!rates) + return; + + rate.idx = rates->rate[0].idx; + rate.flags = rates->rate[0].flags; + mt76x2_mac_wcid_set_rate(dev, &msta->wcid, &rate); + msta->wcid.max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, &rate); +} +EXPORT_SYMBOL_GPL(mt76x2_sta_rate_tbl_update); + +void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, + struct sk_buff *skb) +{ + struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76); + void *rxwi = skb->data; + + if (q == MT_RXQ_MCU) { + skb_queue_tail(&dev->mcu.res_q, skb); + wake_up(&dev->mcu.wait); + return; + } + + skb_pull(skb, sizeof(struct mt76x2_rxwi)); + if (mt76x2_mac_process_rx(dev, skb, rxwi)) { + dev_kfree_skb(skb); + return; + } + + mt76_rx(&dev->mt76, q, skb); +} +EXPORT_SYMBOL_GPL(mt76x2_queue_rx_skb); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c index 955ea3e692dd..77b5ff1be05f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_debugfs.c @@ -91,12 +91,20 @@ mt76x2_dfs_stat_read(struct seq_file *file, void *data) struct mt76x2_dev *dev = file->private; struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + seq_printf(file, "allocated sequences:\t%d\n", + dfs_pd->seq_stats.seq_pool_len); + seq_printf(file, "used sequences:\t\t%d\n", + dfs_pd->seq_stats.seq_len); + seq_puts(file, "\n"); + for (i = 0; i < MT_DFS_NUM_ENGINES; i++) { seq_printf(file, "engine: %d\n", i); seq_printf(file, " hw pattern detected:\t%d\n", dfs_pd->stats[i].hw_pattern); seq_printf(file, " hw pulse discarded:\t%d\n", dfs_pd->stats[i].hw_pulse_discarded); + seq_printf(file, " sw pattern detected:\t%d\n", + dfs_pd->stats[i].sw_pattern); } return 0; @@ -115,6 +123,18 @@ static const struct file_operations fops_dfs_stat = { .release = single_release, }; +static int read_agc(struct seq_file *file, void *data) +{ + struct mt76x2_dev *dev = dev_get_drvdata(file->private); + + seq_printf(file, "avg_rssi: %d\n", dev->cal.avg_rssi_all); + seq_printf(file, "low_gain: %d\n", dev->cal.low_gain); + seq_printf(file, "false_cca: %d\n", dev->cal.false_cca); + seq_printf(file, "agc_gain_adjust: %d\n", dev->cal.agc_gain_adjust); + + return 0; +} + void mt76x2_init_debugfs(struct mt76x2_dev *dev) { struct dentry *dir; @@ -130,4 +150,7 @@ void mt76x2_init_debugfs(struct mt76x2_dev *dev) debugfs_create_file("dfs_stats", 0400, dir, dev, &fops_dfs_stat); debugfs_create_devm_seqfile(dev->mt76.dev, "txpower", dir, read_txpower); + + debugfs_create_devm_seqfile(dev->mt76.dev, "agc", dir, read_agc); } +EXPORT_SYMBOL_GPL(mt76x2_init_debugfs); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c index f936dc9a5476..374cc655c11d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.c @@ -159,6 +159,81 @@ static void mt76x2_dfs_set_capture_mode_ctrl(struct mt76x2_dev *dev, mt76_wr(dev, MT_BBP(DFS, 36), data); } +static void mt76x2_dfs_seq_pool_put(struct mt76x2_dev *dev, + struct mt76x2_dfs_sequence *seq) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + + list_add(&seq->head, &dfs_pd->seq_pool); + + dfs_pd->seq_stats.seq_pool_len++; + dfs_pd->seq_stats.seq_len--; +} + +static +struct mt76x2_dfs_sequence *mt76x2_dfs_seq_pool_get(struct mt76x2_dev *dev) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_sequence *seq; + + if (list_empty(&dfs_pd->seq_pool)) { + seq = devm_kzalloc(dev->mt76.dev, sizeof(*seq), GFP_ATOMIC); + } else { + seq = list_first_entry(&dfs_pd->seq_pool, + struct mt76x2_dfs_sequence, + head); + list_del(&seq->head); + dfs_pd->seq_stats.seq_pool_len--; + } + if (seq) + dfs_pd->seq_stats.seq_len++; + + return seq; +} + +static int mt76x2_dfs_get_multiple(int val, int frac, int margin) +{ + int remainder, factor; + + if (!frac) + return 0; + + if (abs(val - frac) <= margin) + return 1; + + factor = val / frac; + remainder = val % frac; + + if (remainder > margin) { + if ((frac - remainder) <= margin) + factor++; + else + factor = 0; + } + return factor; +} + +static void mt76x2_dfs_detector_reset(struct mt76x2_dev *dev) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_sequence *seq, *tmp_seq; + int i; + + /* reset hw detector */ + mt76_wr(dev, MT_BBP(DFS, 1), 0xf); + + /* reset sw detector */ + for (i = 0; i < ARRAY_SIZE(dfs_pd->event_rb); i++) { + dfs_pd->event_rb[i].h_rb = 0; + dfs_pd->event_rb[i].t_rb = 0; + } + + list_for_each_entry_safe(seq, tmp_seq, &dfs_pd->sequences, head) { + list_del_init(&seq->head); + mt76x2_dfs_seq_pool_put(dev, seq); + } +} + static bool mt76x2_dfs_check_chirp(struct mt76x2_dev *dev) { bool ret = false; @@ -295,6 +370,256 @@ static bool mt76x2_dfs_check_hw_pulse(struct mt76x2_dev *dev, return ret; } +static bool mt76x2_dfs_fetch_event(struct mt76x2_dev *dev, + struct mt76x2_dfs_event *event) +{ + u32 data; + + /* 1st: DFS_R37[31]: 0 (engine 0) - 1 (engine 2) + * 2nd: DFS_R37[21:0]: pulse time + * 3rd: DFS_R37[11:0]: pulse width + * 3rd: DFS_R37[25:16]: phase + * 4th: DFS_R37[12:0]: current pwr + * 4th: DFS_R37[21:16]: pwr stable counter + * + * 1st: DFS_R37[31:0] set to 0xffffffff means no event detected + */ + data = mt76_rr(dev, MT_BBP(DFS, 37)); + if (!MT_DFS_CHECK_EVENT(data)) + return false; + + event->engine = MT_DFS_EVENT_ENGINE(data); + data = mt76_rr(dev, MT_BBP(DFS, 37)); + event->ts = MT_DFS_EVENT_TIMESTAMP(data); + data = mt76_rr(dev, MT_BBP(DFS, 37)); + event->width = MT_DFS_EVENT_WIDTH(data); + + return true; +} + +static bool mt76x2_dfs_check_event(struct mt76x2_dev *dev, + struct mt76x2_dfs_event *event) +{ + if (event->engine == 2) { + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_event_rb *event_buff = &dfs_pd->event_rb[1]; + u16 last_event_idx; + u32 delta_ts; + + last_event_idx = mt76_decr(event_buff->t_rb, + MT_DFS_EVENT_BUFLEN); + delta_ts = event->ts - event_buff->data[last_event_idx].ts; + if (delta_ts < MT_DFS_EVENT_TIME_MARGIN && + event_buff->data[last_event_idx].width >= 200) + return false; + } + return true; +} + +static void mt76x2_dfs_queue_event(struct mt76x2_dev *dev, + struct mt76x2_dfs_event *event) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_event_rb *event_buff; + + /* add radar event to ring buffer */ + event_buff = event->engine == 2 ? &dfs_pd->event_rb[1] + : &dfs_pd->event_rb[0]; + event_buff->data[event_buff->t_rb] = *event; + event_buff->data[event_buff->t_rb].fetch_ts = jiffies; + + event_buff->t_rb = mt76_incr(event_buff->t_rb, MT_DFS_EVENT_BUFLEN); + if (event_buff->t_rb == event_buff->h_rb) + event_buff->h_rb = mt76_incr(event_buff->h_rb, + MT_DFS_EVENT_BUFLEN); +} + +static int mt76x2_dfs_create_sequence(struct mt76x2_dev *dev, + struct mt76x2_dfs_event *event, + u16 cur_len) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_sw_detector_params *sw_params; + u32 width_delta, with_sum, factor, cur_pri; + struct mt76x2_dfs_sequence seq, *seq_p; + struct mt76x2_dfs_event_rb *event_rb; + struct mt76x2_dfs_event *cur_event; + int i, j, end, pri; + + event_rb = event->engine == 2 ? &dfs_pd->event_rb[1] + : &dfs_pd->event_rb[0]; + + i = mt76_decr(event_rb->t_rb, MT_DFS_EVENT_BUFLEN); + end = mt76_decr(event_rb->h_rb, MT_DFS_EVENT_BUFLEN); + + while (i != end) { + cur_event = &event_rb->data[i]; + with_sum = event->width + cur_event->width; + + sw_params = &dfs_pd->sw_dpd_params; + switch (dev->dfs_pd.region) { + case NL80211_DFS_FCC: + case NL80211_DFS_JP: + if (with_sum < 600) + width_delta = 8; + else + width_delta = with_sum >> 3; + break; + case NL80211_DFS_ETSI: + if (event->engine == 2) + width_delta = with_sum >> 6; + else if (with_sum < 620) + width_delta = 24; + else + width_delta = 8; + break; + case NL80211_DFS_UNSET: + default: + return -EINVAL; + } + + pri = event->ts - cur_event->ts; + if (abs(event->width - cur_event->width) > width_delta || + pri < sw_params->min_pri) + goto next; + + if (pri > sw_params->max_pri) + break; + + seq.pri = event->ts - cur_event->ts; + seq.first_ts = cur_event->ts; + seq.last_ts = event->ts; + seq.engine = event->engine; + seq.count = 2; + + j = mt76_decr(i, MT_DFS_EVENT_BUFLEN); + while (j != end) { + cur_event = &event_rb->data[j]; + cur_pri = event->ts - cur_event->ts; + factor = mt76x2_dfs_get_multiple(cur_pri, seq.pri, + sw_params->pri_margin); + if (factor > 0) { + seq.first_ts = cur_event->ts; + seq.count++; + } + + j = mt76_decr(j, MT_DFS_EVENT_BUFLEN); + } + if (seq.count <= cur_len) + goto next; + + seq_p = mt76x2_dfs_seq_pool_get(dev); + if (!seq_p) + return -ENOMEM; + + *seq_p = seq; + INIT_LIST_HEAD(&seq_p->head); + list_add(&seq_p->head, &dfs_pd->sequences); +next: + i = mt76_decr(i, MT_DFS_EVENT_BUFLEN); + } + return 0; +} + +static u16 mt76x2_dfs_add_event_to_sequence(struct mt76x2_dev *dev, + struct mt76x2_dfs_event *event) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_sw_detector_params *sw_params; + struct mt76x2_dfs_sequence *seq, *tmp_seq; + u16 max_seq_len = 0; + u32 factor, pri; + + sw_params = &dfs_pd->sw_dpd_params; + list_for_each_entry_safe(seq, tmp_seq, &dfs_pd->sequences, head) { + if (event->ts > seq->first_ts + MT_DFS_SEQUENCE_WINDOW) { + list_del_init(&seq->head); + mt76x2_dfs_seq_pool_put(dev, seq); + continue; + } + + if (event->engine != seq->engine) + continue; + + pri = event->ts - seq->last_ts; + factor = mt76x2_dfs_get_multiple(pri, seq->pri, + sw_params->pri_margin); + if (factor > 0) { + seq->last_ts = event->ts; + seq->count++; + max_seq_len = max_t(u16, max_seq_len, seq->count); + } + } + return max_seq_len; +} + +static bool mt76x2_dfs_check_detection(struct mt76x2_dev *dev) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_sequence *seq; + + if (list_empty(&dfs_pd->sequences)) + return false; + + list_for_each_entry(seq, &dfs_pd->sequences, head) { + if (seq->count > MT_DFS_SEQUENCE_TH) { + dfs_pd->stats[seq->engine].sw_pattern++; + return true; + } + } + return false; +} + +static void mt76x2_dfs_add_events(struct mt76x2_dev *dev) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_event event; + int i, seq_len; + + /* disable debug mode */ + mt76x2_dfs_set_capture_mode_ctrl(dev, false); + for (i = 0; i < MT_DFS_EVENT_LOOP; i++) { + if (!mt76x2_dfs_fetch_event(dev, &event)) + break; + + if (dfs_pd->last_event_ts > event.ts) + mt76x2_dfs_detector_reset(dev); + dfs_pd->last_event_ts = event.ts; + + if (!mt76x2_dfs_check_event(dev, &event)) + continue; + + seq_len = mt76x2_dfs_add_event_to_sequence(dev, &event); + mt76x2_dfs_create_sequence(dev, &event, seq_len); + + mt76x2_dfs_queue_event(dev, &event); + } + mt76x2_dfs_set_capture_mode_ctrl(dev, true); +} + +static void mt76x2_dfs_check_event_window(struct mt76x2_dev *dev) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + struct mt76x2_dfs_event_rb *event_buff; + struct mt76x2_dfs_event *event; + int i; + + for (i = 0; i < ARRAY_SIZE(dfs_pd->event_rb); i++) { + event_buff = &dfs_pd->event_rb[i]; + + while (event_buff->h_rb != event_buff->t_rb) { + event = &event_buff->data[event_buff->h_rb]; + + /* sorted list */ + if (time_is_after_jiffies(event->fetch_ts + + MT_DFS_EVENT_WINDOW)) + break; + event_buff->h_rb = mt76_incr(event_buff->h_rb, + MT_DFS_EVENT_BUFLEN); + } + } +} + static void mt76x2_dfs_tasklet(unsigned long arg) { struct mt76x2_dev *dev = (struct mt76x2_dev *)arg; @@ -305,6 +630,24 @@ static void mt76x2_dfs_tasklet(unsigned long arg) if (test_bit(MT76_SCANNING, &dev->mt76.state)) goto out; + if (time_is_before_jiffies(dfs_pd->last_sw_check + + MT_DFS_SW_TIMEOUT)) { + bool radar_detected; + + dfs_pd->last_sw_check = jiffies; + + mt76x2_dfs_add_events(dev); + radar_detected = mt76x2_dfs_check_detection(dev); + if (radar_detected) { + /* sw detector rx radar pattern */ + ieee80211_radar_detected(dev->mt76.hw); + mt76x2_dfs_detector_reset(dev); + + return; + } + mt76x2_dfs_check_event_window(dev); + } + engine_mask = mt76_rr(dev, MT_BBP(DFS, 1)); if (!(engine_mask & 0xf)) goto out; @@ -326,9 +669,7 @@ static void mt76x2_dfs_tasklet(unsigned long arg) /* hw detector rx radar pattern */ dfs_pd->stats[i].hw_pattern++; ieee80211_radar_detected(dev->mt76.hw); - - /* reset hw detector */ - mt76_wr(dev, MT_BBP(DFS, 1), 0xf); + mt76x2_dfs_detector_reset(dev); return; } @@ -340,6 +681,32 @@ out: mt76x2_irq_enable(dev, MT_INT_GPTIMER); } +static void mt76x2_dfs_init_sw_detector(struct mt76x2_dev *dev) +{ + struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + + switch (dev->dfs_pd.region) { + case NL80211_DFS_FCC: + dfs_pd->sw_dpd_params.max_pri = MT_DFS_FCC_MAX_PRI; + dfs_pd->sw_dpd_params.min_pri = MT_DFS_FCC_MIN_PRI; + dfs_pd->sw_dpd_params.pri_margin = MT_DFS_PRI_MARGIN; + break; + case NL80211_DFS_ETSI: + dfs_pd->sw_dpd_params.max_pri = MT_DFS_ETSI_MAX_PRI; + dfs_pd->sw_dpd_params.min_pri = MT_DFS_ETSI_MIN_PRI; + dfs_pd->sw_dpd_params.pri_margin = MT_DFS_PRI_MARGIN << 2; + break; + case NL80211_DFS_JP: + dfs_pd->sw_dpd_params.max_pri = MT_DFS_JP_MAX_PRI; + dfs_pd->sw_dpd_params.min_pri = MT_DFS_JP_MIN_PRI; + dfs_pd->sw_dpd_params.pri_margin = MT_DFS_PRI_MARGIN; + break; + case NL80211_DFS_UNSET: + default: + break; + } +} + static void mt76x2_dfs_set_bbp_params(struct mt76x2_dev *dev) { u32 data; @@ -462,6 +829,7 @@ void mt76x2_dfs_init_params(struct mt76x2_dev *dev) if ((chandef->chan->flags & IEEE80211_CHAN_RADAR) && dev->dfs_pd.region != NL80211_DFS_UNSET) { + mt76x2_dfs_init_sw_detector(dev); mt76x2_dfs_set_bbp_params(dev); /* enable debug mode */ mt76x2_dfs_set_capture_mode_ctrl(dev, true); @@ -486,7 +854,10 @@ void mt76x2_dfs_init_detector(struct mt76x2_dev *dev) { struct mt76x2_dfs_pattern_detector *dfs_pd = &dev->dfs_pd; + INIT_LIST_HEAD(&dfs_pd->sequences); + INIT_LIST_HEAD(&dfs_pd->seq_pool); dfs_pd->region = NL80211_DFS_UNSET; + dfs_pd->last_sw_check = jiffies; tasklet_init(&dfs_pd->dfs_tasklet, mt76x2_dfs_tasklet, (unsigned long)dev); } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h index 8dbc783cc6bc..693f421bf096 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dfs.h @@ -33,6 +33,22 @@ #define MT_DFS_PKT_END_MASK 0 #define MT_DFS_CH_EN 0xf +/* sw detector params */ +#define MT_DFS_EVENT_LOOP 64 +#define MT_DFS_SW_TIMEOUT (HZ / 20) +#define MT_DFS_EVENT_WINDOW (HZ / 5) +#define MT_DFS_SEQUENCE_WINDOW (200 * (1 << 20)) +#define MT_DFS_EVENT_TIME_MARGIN 2000 +#define MT_DFS_PRI_MARGIN 4 +#define MT_DFS_SEQUENCE_TH 6 + +#define MT_DFS_FCC_MAX_PRI ((28570 << 1) + 1000) +#define MT_DFS_FCC_MIN_PRI (3000 - 2) +#define MT_DFS_JP_MAX_PRI ((80000 << 1) + 1000) +#define MT_DFS_JP_MIN_PRI (28500 - 2) +#define MT_DFS_ETSI_MAX_PRI (133333 + 125000 + 117647 + 1000) +#define MT_DFS_ETSI_MIN_PRI (4500 - 20) + struct mt76x2_radar_specs { u8 mode; u16 avg_len; @@ -50,6 +66,32 @@ struct mt76x2_radar_specs { u16 pwr_jmp; }; +#define MT_DFS_CHECK_EVENT(x) ((x) != GENMASK(31, 0)) +#define MT_DFS_EVENT_ENGINE(x) (((x) & BIT(31)) ? 2 : 0) +#define MT_DFS_EVENT_TIMESTAMP(x) ((x) & GENMASK(21, 0)) +#define MT_DFS_EVENT_WIDTH(x) ((x) & GENMASK(11, 0)) +struct mt76x2_dfs_event { + unsigned long fetch_ts; + u32 ts; + u16 width; + u8 engine; +}; + +#define MT_DFS_EVENT_BUFLEN 256 +struct mt76x2_dfs_event_rb { + struct mt76x2_dfs_event data[MT_DFS_EVENT_BUFLEN]; + int h_rb, t_rb; +}; + +struct mt76x2_dfs_sequence { + struct list_head head; + u32 first_ts; + u32 last_ts; + u32 pri; + u16 count; + u8 engine; +}; + struct mt76x2_dfs_hw_pulse { u8 engine; u32 period; @@ -58,9 +100,21 @@ struct mt76x2_dfs_hw_pulse { u32 burst; }; +struct mt76x2_dfs_sw_detector_params { + u32 min_pri; + u32 max_pri; + u32 pri_margin; +}; + struct mt76x2_dfs_engine_stats { u32 hw_pattern; u32 hw_pulse_discarded; + u32 sw_pattern; +}; + +struct mt76x2_dfs_seq_stats { + u32 seq_pool_len; + u32 seq_len; }; struct mt76x2_dfs_pattern_detector { @@ -69,6 +123,16 @@ struct mt76x2_dfs_pattern_detector { u8 chirp_pulse_cnt; u32 chirp_pulse_ts; + struct mt76x2_dfs_sw_detector_params sw_dpd_params; + struct mt76x2_dfs_event_rb event_rb[2]; + + struct list_head sequences; + struct list_head seq_pool; + struct mt76x2_dfs_seq_stats seq_stats; + + unsigned long last_sw_check; + u32 last_event_ts; + struct mt76x2_dfs_engine_stats stats[MT_DFS_NUM_ENGINES]; struct tasklet_struct dfs_tasklet; }; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c index fd1ec4743e0b..6720a6a1313f 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.c @@ -66,27 +66,6 @@ mt76x2_init_tx_queue(struct mt76x2_dev *dev, struct mt76_queue *q, return 0; } -void mt76x2_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, - struct sk_buff *skb) -{ - struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76); - void *rxwi = skb->data; - - if (q == MT_RXQ_MCU) { - skb_queue_tail(&dev->mcu.res_q, skb); - wake_up(&dev->mcu.wait); - return; - } - - skb_pull(skb, sizeof(struct mt76x2_rxwi)); - if (mt76x2_mac_process_rx(dev, skb, rxwi)) { - dev_kfree_skb(skb); - return; - } - - mt76_rx(&dev->mt76, q, skb); -} - static int mt76x2_init_rx_queue(struct mt76x2_dev *dev, struct mt76_queue *q, int idx, int n_desc, int bufsize) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h index e9d426bbf91a..da294558c268 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_dma.h @@ -19,34 +19,6 @@ #include "dma.h" -#define MT_TXD_INFO_LEN GENMASK(15, 0) -#define MT_TXD_INFO_NEXT_VLD BIT(16) -#define MT_TXD_INFO_TX_BURST BIT(17) -#define MT_TXD_INFO_80211 BIT(19) -#define MT_TXD_INFO_TSO BIT(20) -#define MT_TXD_INFO_CSO BIT(21) -#define MT_TXD_INFO_WIV BIT(24) -#define MT_TXD_INFO_QSEL GENMASK(26, 25) -#define MT_TXD_INFO_DPORT GENMASK(29, 27) -#define MT_TXD_INFO_TYPE GENMASK(31, 30) - -#define MT_RX_FCE_INFO_LEN GENMASK(13, 0) -#define MT_RX_FCE_INFO_SELF_GEN BIT(15) -#define MT_RX_FCE_INFO_CMD_SEQ GENMASK(19, 16) -#define MT_RX_FCE_INFO_EVT_TYPE GENMASK(23, 20) -#define MT_RX_FCE_INFO_PCIE_INTR BIT(24) -#define MT_RX_FCE_INFO_QSEL GENMASK(26, 25) -#define MT_RX_FCE_INFO_D_PORT GENMASK(29, 27) -#define MT_RX_FCE_INFO_TYPE GENMASK(31, 30) - -/* MCU request message header */ -#define MT_MCU_MSG_LEN GENMASK(15, 0) -#define MT_MCU_MSG_CMD_SEQ GENMASK(19, 16) -#define MT_MCU_MSG_CMD_TYPE GENMASK(26, 20) -#define MT_MCU_MSG_PORT GENMASK(29, 27) -#define MT_MCU_MSG_TYPE GENMASK(31, 30) -#define MT_MCU_MSG_TYPE_CMD BIT(30) - enum mt76x2_qsel { MT_QSEL_MGMT, MT_QSEL_HCCA, @@ -54,14 +26,4 @@ enum mt76x2_qsel { MT_QSEL_EDCA_2, }; -enum dma_msg_port { - WLAN_PORT, - CPU_RX_PORT, - CPU_TX_PORT, - HOST_PORT, - VIRTUAL_CPU_RX_PORT, - VIRTUAL_CPU_TX_PORT, - DISCARD, -}; - #endif diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c index 95d5f7d888f0..1753bcb36356 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.c @@ -40,8 +40,7 @@ mt76x2_eeprom_get_macaddr(struct mt76x2_dev *dev) return 0; } -static void -mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev) +void mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev) { u16 val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0); @@ -58,6 +57,7 @@ mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev) break; } } +EXPORT_SYMBOL_GPL(mt76x2_eeprom_parse_hw_cap); static int mt76x2_efuse_read(struct mt76x2_dev *dev, u16 addr, u8 *data) @@ -415,6 +415,7 @@ void mt76x2_read_rx_gain(struct mt76x2_dev *dev) dev->cal.rx.lna_gain = mt76x2_sign_extend(lna, 8); } +EXPORT_SYMBOL_GPL(mt76x2_read_rx_gain); static s8 mt76x2_rate_power_val(u8 val) @@ -482,6 +483,7 @@ void mt76x2_get_rate_power(struct mt76x2_dev *dev, struct mt76_rate_power *t, val >>= 8; t->vht[8] = t->vht[9] = mt76x2_rate_power_val(val >> 8); } +EXPORT_SYMBOL_GPL(mt76x2_get_rate_power); int mt76x2_get_max_rate_power(struct mt76_rate_power *r) { @@ -493,6 +495,7 @@ int mt76x2_get_max_rate_power(struct mt76_rate_power *r) return ret; } +EXPORT_SYMBOL_GPL(mt76x2_get_max_rate_power); static void mt76x2_get_power_info_2g(struct mt76x2_dev *dev, struct mt76x2_tx_power_info *t, @@ -600,6 +603,7 @@ void mt76x2_get_power_info(struct mt76x2_dev *dev, t->delta_bw40 = mt76x2_rate_power_val(bw40); t->delta_bw80 = mt76x2_rate_power_val(bw80); } +EXPORT_SYMBOL_GPL(mt76x2_get_power_info); int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t) { @@ -632,6 +636,7 @@ int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t) return 0; } +EXPORT_SYMBOL_GPL(mt76x2_get_temp_comp); bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band) { @@ -642,6 +647,7 @@ bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band) else return !(conf0 & MT_EE_NIC_CONF_0_PA_INT_2G); } +EXPORT_SYMBOL_GPL(mt76x2_ext_pa_enabled); int mt76x2_eeprom_init(struct mt76x2_dev *dev) { @@ -658,3 +664,6 @@ int mt76x2_eeprom_init(struct mt76x2_dev *dev) return 0; } +EXPORT_SYMBOL_GPL(mt76x2_eeprom_init); + +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h index aa0b0c040375..0f3e4d2f4fee 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_eeprom.h @@ -155,6 +155,7 @@ void mt76x2_get_power_info(struct mt76x2_dev *dev, int mt76x2_get_temp_comp(struct mt76x2_dev *dev, struct mt76x2_temp_comp *t); bool mt76x2_ext_pa_enabled(struct mt76x2_dev *dev, enum nl80211_band band); void mt76x2_read_rx_gain(struct mt76x2_dev *dev); +void mt76x2_eeprom_parse_hw_cap(struct mt76x2_dev *dev); static inline bool mt76x2_temp_tx_alc_enabled(struct mt76x2_dev *dev) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c index 79ab93613e06..b814391f79ac 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_init.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init.c @@ -19,39 +19,6 @@ #include "mt76x2_eeprom.h" #include "mt76x2_mcu.h" -struct mt76x2_reg_pair { - u32 reg; - u32 value; -}; - -static bool -mt76x2_wait_for_mac(struct mt76x2_dev *dev) -{ - int i; - - for (i = 0; i < 500; i++) { - switch (mt76_rr(dev, MT_MAC_CSR0)) { - case 0: - case ~0: - break; - default: - return true; - } - usleep_range(5000, 10000); - } - - return false; -} - -static bool -wait_for_wpdma(struct mt76x2_dev *dev) -{ - return mt76_poll(dev, MT_WPDMA_GLO_CFG, - MT_WPDMA_GLO_CFG_TX_DMA_BUSY | - MT_WPDMA_GLO_CFG_RX_DMA_BUSY, - 0, 1000); -} - static void mt76x2_mac_pbf_init(struct mt76x2_dev *dev) { @@ -71,107 +38,6 @@ mt76x2_mac_pbf_init(struct mt76x2_dev *dev) } static void -mt76x2_write_reg_pairs(struct mt76x2_dev *dev, - const struct mt76x2_reg_pair *data, int len) -{ - while (len > 0) { - mt76_wr(dev, data->reg, data->value); - len--; - data++; - } -} - -static void -mt76_write_mac_initvals(struct mt76x2_dev *dev) -{ -#define DEFAULT_PROT_CFG \ - (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ - FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ - FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ - MT_PROT_CFG_RTS_THRESH) - -#define DEFAULT_PROT_CFG_20 \ - (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ - FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ - FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ - FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x17)) - -#define DEFAULT_PROT_CFG_40 \ - (FIELD_PREP(MT_PROT_CFG_RATE, 0x2084) | \ - FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ - FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ - FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f)) - - static const struct mt76x2_reg_pair vals[] = { - /* Copied from MediaTek reference source */ - { MT_PBF_SYS_CTRL, 0x00080c00 }, - { MT_PBF_CFG, 0x1efebcff }, - { MT_FCE_PSE_CTRL, 0x00000001 }, - { MT_MAC_SYS_CTRL, 0x0000000c }, - { MT_MAX_LEN_CFG, 0x003e3f00 }, - { MT_AMPDU_MAX_LEN_20M1S, 0xaaa99887 }, - { MT_AMPDU_MAX_LEN_20M2S, 0x000000aa }, - { MT_XIFS_TIME_CFG, 0x33a40d0a }, - { MT_BKOFF_SLOT_CFG, 0x00000209 }, - { MT_TBTT_SYNC_CFG, 0x00422010 }, - { MT_PWR_PIN_CFG, 0x00000000 }, - { 0x1238, 0x001700c8 }, - { MT_TX_SW_CFG0, 0x00101001 }, - { MT_TX_SW_CFG1, 0x00010000 }, - { MT_TX_SW_CFG2, 0x00000000 }, - { MT_TXOP_CTRL_CFG, 0x0400583f }, - { MT_TX_RTS_CFG, 0x00100020 }, - { MT_TX_TIMEOUT_CFG, 0x000a2290 }, - { MT_TX_RETRY_CFG, 0x47f01f0f }, - { MT_EXP_ACK_TIME, 0x002c00dc }, - { MT_TX_PROT_CFG6, 0xe3f42004 }, - { MT_TX_PROT_CFG7, 0xe3f42084 }, - { MT_TX_PROT_CFG8, 0xe3f42104 }, - { MT_PIFS_TX_CFG, 0x00060fff }, - { MT_RX_FILTR_CFG, 0x00015f97 }, - { MT_LEGACY_BASIC_RATE, 0x0000017f }, - { MT_HT_BASIC_RATE, 0x00004003 }, - { MT_PN_PAD_MODE, 0x00000003 }, - { MT_TXOP_HLDR_ET, 0x00000002 }, - { 0xa44, 0x00000000 }, - { MT_HEADER_TRANS_CTRL_REG, 0x00000000 }, - { MT_TSO_CTRL, 0x00000000 }, - { MT_AUX_CLK_CFG, 0x00000000 }, - { MT_DACCLK_EN_DLY_CFG, 0x00000000 }, - { MT_TX_ALC_CFG_4, 0x00000000 }, - { MT_TX_ALC_VGA3, 0x00000000 }, - { MT_TX_PWR_CFG_0, 0x3a3a3a3a }, - { MT_TX_PWR_CFG_1, 0x3a3a3a3a }, - { MT_TX_PWR_CFG_2, 0x3a3a3a3a }, - { MT_TX_PWR_CFG_3, 0x3a3a3a3a }, - { MT_TX_PWR_CFG_4, 0x3a3a3a3a }, - { MT_TX_PWR_CFG_7, 0x3a3a3a3a }, - { MT_TX_PWR_CFG_8, 0x0000003a }, - { MT_TX_PWR_CFG_9, 0x0000003a }, - { MT_EFUSE_CTRL, 0x0000d000 }, - { MT_PAUSE_ENABLE_CONTROL1, 0x0000000a }, - { MT_FCE_WLAN_FLOW_CONTROL1, 0x60401c18 }, - { MT_WPDMA_DELAY_INT_CFG, 0x94ff0000 }, - { MT_TX_SW_CFG3, 0x00000004 }, - { MT_HT_FBK_TO_LEGACY, 0x00001818 }, - { MT_VHT_HT_FBK_CFG1, 0xedcba980 }, - { MT_PROT_AUTO_TX_CFG, 0x00830083 }, - { MT_HT_CTRL_CFG, 0x000001ff }, - }; - struct mt76x2_reg_pair prot_vals[] = { - { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG }, - { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG }, - { MT_MM20_PROT_CFG, DEFAULT_PROT_CFG_20 }, - { MT_MM40_PROT_CFG, DEFAULT_PROT_CFG_40 }, - { MT_GF20_PROT_CFG, DEFAULT_PROT_CFG_20 }, - { MT_GF40_PROT_CFG, DEFAULT_PROT_CFG_40 }, - }; - - mt76x2_write_reg_pairs(dev, vals, ARRAY_SIZE(vals)); - mt76x2_write_reg_pairs(dev, prot_vals, ARRAY_SIZE(prot_vals)); -} - -static void mt76x2_fixup_xtal(struct mt76x2_dev *dev) { u16 eep_val; @@ -360,41 +226,6 @@ int mt76x2_mac_start(struct mt76x2_dev *dev) return 0; } -void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force) -{ - bool stopped = false; - u32 rts_cfg; - int i; - - mt76_wr(dev, MT_MAC_SYS_CTRL, 0); - - rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG); - mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT); - - /* Wait for MAC to become idle */ - for (i = 0; i < 300; i++) { - if ((mt76_rr(dev, MT_MAC_STATUS) & - (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) || - mt76_rr(dev, MT_BBP(IBI, 12))) { - udelay(1); - continue; - } - - stopped = true; - break; - } - - if (force && !stopped) { - mt76_set(dev, MT_BBP(CORE, 4), BIT(1)); - mt76_clear(dev, MT_BBP(CORE, 4), BIT(1)); - - mt76_set(dev, MT_BBP(CORE, 4), BIT(0)); - mt76_clear(dev, MT_BBP(CORE, 4), BIT(0)); - } - - mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg); -} - void mt76x2_mac_resume(struct mt76x2_dev *dev) { mt76_wr(dev, MT_MAC_SYS_CTRL, @@ -498,45 +329,6 @@ void mt76x2_set_tx_ackto(struct mt76x2_dev *dev) MT_TX_TIMEOUT_CFG_ACKTO, ackto); } -static void -mt76x2_set_wlan_state(struct mt76x2_dev *dev, bool enable) -{ - u32 val = mt76_rr(dev, MT_WLAN_FUN_CTRL); - - if (enable) - val |= (MT_WLAN_FUN_CTRL_WLAN_EN | - MT_WLAN_FUN_CTRL_WLAN_CLK_EN); - else - val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN | - MT_WLAN_FUN_CTRL_WLAN_CLK_EN); - - mt76_wr(dev, MT_WLAN_FUN_CTRL, val); - udelay(20); -} - -static void -mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable) -{ - u32 val; - - val = mt76_rr(dev, MT_WLAN_FUN_CTRL); - - val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL; - - if (val & MT_WLAN_FUN_CTRL_WLAN_EN) { - val |= MT_WLAN_FUN_CTRL_WLAN_RESET_RF; - mt76_wr(dev, MT_WLAN_FUN_CTRL, val); - udelay(20); - - val &= ~MT_WLAN_FUN_CTRL_WLAN_RESET_RF; - } - - mt76_wr(dev, MT_WLAN_FUN_CTRL, val); - udelay(20); - - mt76x2_set_wlan_state(dev, enable); -} - int mt76x2_init_hardware(struct mt76x2_dev *dev) { static const u16 beacon_offsets[16] = { @@ -567,11 +359,6 @@ int mt76x2_init_hardware(struct mt76x2_dev *dev) tasklet_init(&dev->pre_tbtt_tasklet, mt76x2_pre_tbtt_tasklet, (unsigned long) dev); - dev->chainmask = 0x202; - dev->global_wcid.idx = 255; - dev->global_wcid.hw_key_idx = -1; - dev->slottime = 9; - val = mt76_rr(dev, MT_WPDMA_GLO_CFG); val &= MT_WPDMA_GLO_CFG_DMA_BURST_SIZE | MT_WPDMA_GLO_CFG_BIG_ENDIAN | @@ -663,34 +450,6 @@ static void mt76x2_regd_notifier(struct wiphy *wiphy, mt76x2_dfs_set_domain(dev, request->dfs_region); } -#define CCK_RATE(_idx, _rate) { \ - .bitrate = _rate, \ - .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ - .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \ - .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \ -} - -#define OFDM_RATE(_idx, _rate) { \ - .bitrate = _rate, \ - .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \ - .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \ -} - -static struct ieee80211_rate mt76x2_rates[] = { - CCK_RATE(0, 10), - CCK_RATE(1, 20), - CCK_RATE(2, 55), - CCK_RATE(3, 110), - OFDM_RATE(0, 60), - OFDM_RATE(1, 90), - OFDM_RATE(2, 120), - OFDM_RATE(3, 180), - OFDM_RATE(4, 240), - OFDM_RATE(5, 360), - OFDM_RATE(6, 480), - OFDM_RATE(7, 540), -}; - static const struct ieee80211_iface_limit if_limits[] = { { .max = 1, @@ -767,37 +526,6 @@ static void mt76x2_led_set_brightness(struct led_classdev *led_cdev, mt76x2_led_set_config(mt76, 0xff, 0); } -static void -mt76x2_init_txpower(struct mt76x2_dev *dev, - struct ieee80211_supported_band *sband) -{ - struct ieee80211_channel *chan; - struct mt76x2_tx_power_info txp; - struct mt76_rate_power t = {}; - int target_power; - int i; - - for (i = 0; i < sband->n_channels; i++) { - chan = &sband->channels[i]; - - mt76x2_get_power_info(dev, &txp, chan); - - target_power = max_t(int, (txp.chain[0].target_power + - txp.chain[0].delta), - (txp.chain[1].target_power + - txp.chain[1].delta)); - - mt76x2_get_rate_power(dev, &t, chan); - - chan->max_power = mt76x2_get_max_rate_power(&t) + - target_power; - chan->max_power /= 2; - - /* convert to combined output power on 2x2 devices */ - chan->max_power += 3; - } -} - int mt76x2_register_device(struct mt76x2_dev *dev) { struct ieee80211_hw *hw = mt76_hw(dev); @@ -812,20 +540,15 @@ int mt76x2_register_device(struct mt76x2_dev *dev) return -ENOMEM; kfifo_init(&dev->txstatus_fifo, status_fifo, fifo_size); + INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate); + INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work); + + mt76x2_init_device(dev); ret = mt76x2_init_hardware(dev); if (ret) return ret; - hw->queues = 4; - hw->max_rates = 1; - hw->max_report_rates = 7; - hw->max_rate_tries = 1; - hw->extra_tx_headroom = 2; - - hw->sta_data_size = sizeof(struct mt76x2_sta); - hw->vif_data_size = sizeof(struct mt76x2_vif); - for (i = 0; i < ARRAY_SIZE(dev->macaddr_list); i++) { u8 *addr = dev->macaddr_list[i].addr; @@ -845,16 +568,15 @@ int mt76x2_register_device(struct mt76x2_dev *dev) wiphy->reg_notifier = mt76x2_regd_notifier; - wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); - - ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); - ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); - - INIT_DELAYED_WORK(&dev->cal_work, mt76x2_phy_calibrate); - INIT_DELAYED_WORK(&dev->mac_work, mt76x2_mac_work); + wiphy->interface_modes = + BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_AP) | +#ifdef CONFIG_MAC80211_MESH + BIT(NL80211_IFTYPE_MESH_POINT) | +#endif + BIT(NL80211_IFTYPE_ADHOC); - dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; - dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; + wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); mt76x2_dfs_init_detector(dev); @@ -862,9 +584,6 @@ int mt76x2_register_device(struct mt76x2_dev *dev) dev->mt76.led_cdev.brightness_set = mt76x2_led_set_brightness; dev->mt76.led_cdev.blink_set = mt76x2_led_set_blink; - /* init antenna configuration */ - dev->mt76.antenna_mask = 3; - ret = mt76_register_device(&dev->mt76, true, mt76x2_rates, ARRAY_SIZE(mt76x2_rates)); if (ret) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c new file mode 100644 index 000000000000..324b2a4b8b67 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_init_common.c @@ -0,0 +1,259 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2.h" +#include "mt76x2_eeprom.h" + +#define CCK_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ + .hw_value = (MT_PHY_TYPE_CCK << 8) | _idx, \ + .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (8 + _idx), \ +} + +#define OFDM_RATE(_idx, _rate) { \ + .bitrate = _rate, \ + .hw_value = (MT_PHY_TYPE_OFDM << 8) | _idx, \ + .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | _idx, \ +} + +struct ieee80211_rate mt76x2_rates[] = { + CCK_RATE(0, 10), + CCK_RATE(1, 20), + CCK_RATE(2, 55), + CCK_RATE(3, 110), + OFDM_RATE(0, 60), + OFDM_RATE(1, 90), + OFDM_RATE(2, 120), + OFDM_RATE(3, 180), + OFDM_RATE(4, 240), + OFDM_RATE(5, 360), + OFDM_RATE(6, 480), + OFDM_RATE(7, 540), +}; +EXPORT_SYMBOL_GPL(mt76x2_rates); + +struct mt76x2_reg_pair { + u32 reg; + u32 value; +}; + +static void +mt76x2_set_wlan_state(struct mt76x2_dev *dev, bool enable) +{ + u32 val = mt76_rr(dev, MT_WLAN_FUN_CTRL); + + if (enable) + val |= (MT_WLAN_FUN_CTRL_WLAN_EN | + MT_WLAN_FUN_CTRL_WLAN_CLK_EN); + else + val &= ~(MT_WLAN_FUN_CTRL_WLAN_EN | + MT_WLAN_FUN_CTRL_WLAN_CLK_EN); + + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); +} + +void mt76x2_reset_wlan(struct mt76x2_dev *dev, bool enable) +{ + u32 val; + + val = mt76_rr(dev, MT_WLAN_FUN_CTRL); + + val &= ~MT_WLAN_FUN_CTRL_FRC_WL_ANT_SEL; + + if (val & MT_WLAN_FUN_CTRL_WLAN_EN) { + val |= MT_WLAN_FUN_CTRL_WLAN_RESET_RF; + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + + val &= ~MT_WLAN_FUN_CTRL_WLAN_RESET_RF; + } + + mt76_wr(dev, MT_WLAN_FUN_CTRL, val); + udelay(20); + + mt76x2_set_wlan_state(dev, enable); +} +EXPORT_SYMBOL_GPL(mt76x2_reset_wlan); + +static void +mt76x2_write_reg_pairs(struct mt76x2_dev *dev, + const struct mt76x2_reg_pair *data, int len) +{ + while (len > 0) { + mt76_wr(dev, data->reg, data->value); + len--; + data++; + } +} + +void mt76_write_mac_initvals(struct mt76x2_dev *dev) +{ +#define DEFAULT_PROT_CFG_CCK \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x3) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ + MT_PROT_CFG_RTS_THRESH) + +#define DEFAULT_PROT_CFG_OFDM \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f) | \ + MT_PROT_CFG_RTS_THRESH) + +#define DEFAULT_PROT_CFG_20 \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x2004) | \ + FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x17)) + +#define DEFAULT_PROT_CFG_40 \ + (FIELD_PREP(MT_PROT_CFG_RATE, 0x2084) | \ + FIELD_PREP(MT_PROT_CFG_CTRL, 1) | \ + FIELD_PREP(MT_PROT_CFG_NAV, 1) | \ + FIELD_PREP(MT_PROT_CFG_TXOP_ALLOW, 0x3f)) + + static const struct mt76x2_reg_pair vals[] = { + /* Copied from MediaTek reference source */ + { MT_PBF_SYS_CTRL, 0x00080c00 }, + { MT_PBF_CFG, 0x1efebcff }, + { MT_FCE_PSE_CTRL, 0x00000001 }, + { MT_MAC_SYS_CTRL, 0x0000000c }, + { MT_MAX_LEN_CFG, 0x003e3f00 }, + { MT_AMPDU_MAX_LEN_20M1S, 0xaaa99887 }, + { MT_AMPDU_MAX_LEN_20M2S, 0x000000aa }, + { MT_XIFS_TIME_CFG, 0x33a40d0a }, + { MT_BKOFF_SLOT_CFG, 0x00000209 }, + { MT_TBTT_SYNC_CFG, 0x00422010 }, + { MT_PWR_PIN_CFG, 0x00000000 }, + { 0x1238, 0x001700c8 }, + { MT_TX_SW_CFG0, 0x00101001 }, + { MT_TX_SW_CFG1, 0x00010000 }, + { MT_TX_SW_CFG2, 0x00000000 }, + { MT_TXOP_CTRL_CFG, 0x0400583f }, + { MT_TX_RTS_CFG, 0x00100020 }, + { MT_TX_TIMEOUT_CFG, 0x000a2290 }, + { MT_TX_RETRY_CFG, 0x47f01f0f }, + { MT_EXP_ACK_TIME, 0x002c00dc }, + { MT_TX_PROT_CFG6, 0xe3f42004 }, + { MT_TX_PROT_CFG7, 0xe3f42084 }, + { MT_TX_PROT_CFG8, 0xe3f42104 }, + { MT_PIFS_TX_CFG, 0x00060fff }, + { MT_RX_FILTR_CFG, 0x00015f97 }, + { MT_LEGACY_BASIC_RATE, 0x0000017f }, + { MT_HT_BASIC_RATE, 0x00004003 }, + { MT_PN_PAD_MODE, 0x00000003 }, + { MT_TXOP_HLDR_ET, 0x00000002 }, + { 0xa44, 0x00000000 }, + { MT_HEADER_TRANS_CTRL_REG, 0x00000000 }, + { MT_TSO_CTRL, 0x00000000 }, + { MT_AUX_CLK_CFG, 0x00000000 }, + { MT_DACCLK_EN_DLY_CFG, 0x00000000 }, + { MT_TX_ALC_CFG_4, 0x00000000 }, + { MT_TX_ALC_VGA3, 0x00000000 }, + { MT_TX_PWR_CFG_0, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_1, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_2, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_3, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_4, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_7, 0x3a3a3a3a }, + { MT_TX_PWR_CFG_8, 0x0000003a }, + { MT_TX_PWR_CFG_9, 0x0000003a }, + { MT_EFUSE_CTRL, 0x0000d000 }, + { MT_PAUSE_ENABLE_CONTROL1, 0x0000000a }, + { MT_FCE_WLAN_FLOW_CONTROL1, 0x60401c18 }, + { MT_WPDMA_DELAY_INT_CFG, 0x94ff0000 }, + { MT_TX_SW_CFG3, 0x00000004 }, + { MT_HT_FBK_TO_LEGACY, 0x00001818 }, + { MT_VHT_HT_FBK_CFG1, 0xedcba980 }, + { MT_PROT_AUTO_TX_CFG, 0x00830083 }, + { MT_HT_CTRL_CFG, 0x000001ff }, + }; + struct mt76x2_reg_pair prot_vals[] = { + { MT_CCK_PROT_CFG, DEFAULT_PROT_CFG_CCK }, + { MT_OFDM_PROT_CFG, DEFAULT_PROT_CFG_OFDM }, + { MT_MM20_PROT_CFG, DEFAULT_PROT_CFG_20 }, + { MT_MM40_PROT_CFG, DEFAULT_PROT_CFG_40 }, + { MT_GF20_PROT_CFG, DEFAULT_PROT_CFG_20 }, + { MT_GF40_PROT_CFG, DEFAULT_PROT_CFG_40 }, + }; + + mt76x2_write_reg_pairs(dev, vals, ARRAY_SIZE(vals)); + mt76x2_write_reg_pairs(dev, prot_vals, ARRAY_SIZE(prot_vals)); +} +EXPORT_SYMBOL_GPL(mt76_write_mac_initvals); + +void mt76x2_init_device(struct mt76x2_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + + hw->queues = 4; + hw->max_rates = 1; + hw->max_report_rates = 7; + hw->max_rate_tries = 1; + hw->extra_tx_headroom = 2; + + hw->sta_data_size = sizeof(struct mt76x2_sta); + hw->vif_data_size = sizeof(struct mt76x2_vif); + + ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); + ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER); + + dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; + dev->mt76.sband_5g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING; + + dev->chainmask = 0x202; + dev->global_wcid.idx = 255; + dev->global_wcid.hw_key_idx = -1; + dev->slottime = 9; + + /* init antenna configuration */ + dev->mt76.antenna_mask = 3; +} +EXPORT_SYMBOL_GPL(mt76x2_init_device); + +void mt76x2_init_txpower(struct mt76x2_dev *dev, + struct ieee80211_supported_band *sband) +{ + struct ieee80211_channel *chan; + struct mt76x2_tx_power_info txp; + struct mt76_rate_power t = {}; + int target_power; + int i; + + for (i = 0; i < sband->n_channels; i++) { + chan = &sband->channels[i]; + + mt76x2_get_power_info(dev, &txp, chan); + + target_power = max_t(int, (txp.chain[0].target_power + + txp.chain[0].delta), + (txp.chain[1].target_power + + txp.chain[1].delta)); + + mt76x2_get_rate_power(dev, &t, chan); + + chan->max_power = mt76x2_get_max_rate_power(&t) + + target_power; + chan->max_power /= 2; + + /* convert to combined output power on 2x2 devices */ + chan->max_power += 3; + } +} +EXPORT_SYMBOL_GPL(mt76x2_init_txpower); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c index b49aea4da2d6..23cf437d14f9 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.c @@ -28,500 +28,12 @@ void mt76x2_mac_set_bssid(struct mt76x2_dev *dev, u8 idx, const u8 *addr) get_unaligned_le16(addr + 4)); } -static int -mt76x2_mac_process_rate(struct mt76_rx_status *status, u16 rate) -{ - u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate); - - switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) { - case MT_PHY_TYPE_OFDM: - if (idx >= 8) - idx = 0; - - if (status->band == NL80211_BAND_2GHZ) - idx += 4; - - status->rate_idx = idx; - return 0; - case MT_PHY_TYPE_CCK: - if (idx >= 8) { - idx -= 8; - status->enc_flags |= RX_ENC_FLAG_SHORTPRE; - } - - if (idx >= 4) - idx = 0; - - status->rate_idx = idx; - return 0; - case MT_PHY_TYPE_HT_GF: - status->enc_flags |= RX_ENC_FLAG_HT_GF; - /* fall through */ - case MT_PHY_TYPE_HT: - status->encoding = RX_ENC_HT; - status->rate_idx = idx; - break; - case MT_PHY_TYPE_VHT: - status->encoding = RX_ENC_VHT; - status->rate_idx = FIELD_GET(MT_RATE_INDEX_VHT_IDX, idx); - status->nss = FIELD_GET(MT_RATE_INDEX_VHT_NSS, idx) + 1; - break; - default: - return -EINVAL; - } - - if (rate & MT_RXWI_RATE_LDPC) - status->enc_flags |= RX_ENC_FLAG_LDPC; - - if (rate & MT_RXWI_RATE_SGI) - status->enc_flags |= RX_ENC_FLAG_SHORT_GI; - - if (rate & MT_RXWI_RATE_STBC) - status->enc_flags |= 1 << RX_ENC_FLAG_STBC_SHIFT; - - switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) { - case MT_PHY_BW_20: - break; - case MT_PHY_BW_40: - status->bw = RATE_INFO_BW_40; - break; - case MT_PHY_BW_80: - status->bw = RATE_INFO_BW_80; - break; - default: - break; - } - - return 0; -} - -static __le16 -mt76x2_mac_tx_rate_val(struct mt76x2_dev *dev, - const struct ieee80211_tx_rate *rate, u8 *nss_val) -{ - u16 rateval; - u8 phy, rate_idx; - u8 nss = 1; - u8 bw = 0; - - if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { - rate_idx = rate->idx; - nss = 1 + (rate->idx >> 4); - phy = MT_PHY_TYPE_VHT; - if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) - bw = 2; - else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - bw = 1; - } else if (rate->flags & IEEE80211_TX_RC_MCS) { - rate_idx = rate->idx; - nss = 1 + (rate->idx >> 3); - phy = MT_PHY_TYPE_HT; - if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD) - phy = MT_PHY_TYPE_HT_GF; - if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - bw = 1; - } else { - const struct ieee80211_rate *r; - int band = dev->mt76.chandef.chan->band; - u16 val; - - r = &mt76_hw(dev)->wiphy->bands[band]->bitrates[rate->idx]; - if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) - val = r->hw_value_short; - else - val = r->hw_value; - - phy = val >> 8; - rate_idx = val & 0xff; - bw = 0; - } - - rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx); - rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy); - rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw); - if (rate->flags & IEEE80211_TX_RC_SHORT_GI) - rateval |= MT_RXWI_RATE_SGI; - - *nss_val = nss; - return cpu_to_le16(rateval); -} - -void mt76x2_mac_wcid_set_drop(struct mt76x2_dev *dev, u8 idx, bool drop) -{ - u32 val = mt76_rr(dev, MT_WCID_DROP(idx)); - u32 bit = MT_WCID_DROP_MASK(idx); - - /* prevent unnecessary writes */ - if ((val & bit) != (bit * drop)) - mt76_wr(dev, MT_WCID_DROP(idx), (val & ~bit) | (bit * drop)); -} - -void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid, - const struct ieee80211_tx_rate *rate) -{ - spin_lock_bh(&dev->mt76.lock); - wcid->tx_rate = mt76x2_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss); - wcid->tx_rate_set = true; - spin_unlock_bh(&dev->mt76.lock); -} - -void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi, - struct sk_buff *skb, struct mt76_wcid *wcid, - struct ieee80211_sta *sta) -{ - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_tx_rate *rate = &info->control.rates[0]; - struct ieee80211_key_conf *key = info->control.hw_key; - struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; - u16 rate_ht_mask = FIELD_PREP(MT_RXWI_RATE_PHY, BIT(1) | BIT(2)); - u16 txwi_flags = 0; - u8 nss; - s8 txpwr_adj, max_txpwr_adj; - u8 ccmp_pn[8]; - - memset(txwi, 0, sizeof(*txwi)); - - if (wcid) - txwi->wcid = wcid->idx; - else - txwi->wcid = 0xff; - - txwi->pktid = 1; - - if (wcid && wcid->sw_iv && key) { - u64 pn = atomic64_inc_return(&key->tx_pn); - ccmp_pn[0] = pn; - ccmp_pn[1] = pn >> 8; - ccmp_pn[2] = 0; - ccmp_pn[3] = 0x20 | (key->keyidx << 6); - ccmp_pn[4] = pn >> 16; - ccmp_pn[5] = pn >> 24; - ccmp_pn[6] = pn >> 32; - ccmp_pn[7] = pn >> 40; - txwi->iv = *((__le32 *)&ccmp_pn[0]); - txwi->eiv = *((__le32 *)&ccmp_pn[1]); - } - - spin_lock_bh(&dev->mt76.lock); - if (wcid && (rate->idx < 0 || !rate->count)) { - txwi->rate = wcid->tx_rate; - max_txpwr_adj = wcid->max_txpwr_adj; - nss = wcid->tx_rate_nss; - } else { - txwi->rate = mt76x2_mac_tx_rate_val(dev, rate, &nss); - max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, rate); - } - spin_unlock_bh(&dev->mt76.lock); - - txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, dev->txpower_conf, - max_txpwr_adj); - txwi->ctl2 = FIELD_PREP(MT_TX_PWR_ADJ, txpwr_adj); - - if (mt76xx_rev(dev) >= MT76XX_REV_E4) - txwi->txstream = 0x13; - else if (mt76xx_rev(dev) >= MT76XX_REV_E3 && - !(txwi->rate & cpu_to_le16(rate_ht_mask))) - txwi->txstream = 0x93; - - if (info->flags & IEEE80211_TX_CTL_LDPC) - txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC); - if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1) - txwi->rate |= cpu_to_le16(MT_RXWI_RATE_STBC); - if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC) - txwi_flags |= MT_TXWI_FLAGS_MMPS; - if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) - txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ; - if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) - txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ; - if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) - txwi->pktid |= MT_TXWI_PKTID_PROBE; - if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) { - u8 ba_size = IEEE80211_MIN_AMPDU_BUF; - - ba_size <<= sta->ht_cap.ampdu_factor; - ba_size = min_t(int, 63, ba_size - 1); - if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) - ba_size = 0; - txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size); - - txwi_flags |= MT_TXWI_FLAGS_AMPDU | - FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY, - sta->ht_cap.ampdu_density); - } - - if (ieee80211_is_probe_resp(hdr->frame_control) || - ieee80211_is_beacon(hdr->frame_control)) - txwi_flags |= MT_TXWI_FLAGS_TS; - - txwi->flags |= cpu_to_le16(txwi_flags); - txwi->len_ctl = cpu_to_le16(skb->len); -} - -static void mt76x2_remove_hdr_pad(struct sk_buff *skb, int len) -{ - int hdrlen; - - if (!len) - return; - - hdrlen = ieee80211_get_hdrlen_from_skb(skb); - memmove(skb->data + len, skb->data, hdrlen); - skb_pull(skb, len); -} - -static struct mt76_wcid * -mt76x2_rx_get_sta_wcid(struct mt76x2_dev *dev, u8 idx, bool unicast) -{ - struct mt76x2_sta *sta; - struct mt76_wcid *wcid; - - if (idx >= ARRAY_SIZE(dev->wcid)) - return NULL; - - wcid = rcu_dereference(dev->wcid[idx]); - if (unicast || !wcid) - return wcid; - - sta = container_of(wcid, struct mt76x2_sta, wcid); - return &sta->vif->group_wcid; -} - -int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb, - void *rxi) -{ - struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; - struct mt76x2_rxwi *rxwi = rxi; - u32 rxinfo = le32_to_cpu(rxwi->rxinfo); - u32 ctl = le32_to_cpu(rxwi->ctl); - u16 rate = le16_to_cpu(rxwi->rate); - u16 tid_sn = le16_to_cpu(rxwi->tid_sn); - bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST); - int pad_len = 0; - u8 pn_len; - u8 wcid; - int len; - - if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) - return -EINVAL; - - if (rxinfo & MT_RXINFO_L2PAD) - pad_len += 2; - - if (rxinfo & MT_RXINFO_DECRYPT) { - status->flag |= RX_FLAG_DECRYPTED; - status->flag |= RX_FLAG_MMIC_STRIPPED; - status->flag |= RX_FLAG_MIC_STRIPPED; - status->flag |= RX_FLAG_IV_STRIPPED; - } - - wcid = FIELD_GET(MT_RXWI_CTL_WCID, ctl); - status->wcid = mt76x2_rx_get_sta_wcid(dev, wcid, unicast); - - len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl); - pn_len = FIELD_GET(MT_RXINFO_PN_LEN, rxinfo); - if (pn_len) { - int offset = ieee80211_get_hdrlen_from_skb(skb) + pad_len; - u8 *data = skb->data + offset; - - status->iv[0] = data[7]; - status->iv[1] = data[6]; - status->iv[2] = data[5]; - status->iv[3] = data[4]; - status->iv[4] = data[1]; - status->iv[5] = data[0]; - - /* - * Driver CCMP validation can't deal with fragments. - * Let mac80211 take care of it. - */ - if (rxinfo & MT_RXINFO_FRAG) { - status->flag &= ~RX_FLAG_IV_STRIPPED; - } else { - pad_len += pn_len << 2; - len -= pn_len << 2; - } - } - - mt76x2_remove_hdr_pad(skb, pad_len); - - if ((rxinfo & MT_RXINFO_BA) && !(rxinfo & MT_RXINFO_NULL)) - status->aggr = true; - - if (WARN_ON_ONCE(len > skb->len)) - return -EINVAL; - - pskb_trim(skb, len); - status->chains = BIT(0) | BIT(1); - status->chain_signal[0] = mt76x2_phy_get_rssi(dev, rxwi->rssi[0], 0); - status->chain_signal[1] = mt76x2_phy_get_rssi(dev, rxwi->rssi[1], 1); - status->signal = max(status->chain_signal[0], status->chain_signal[1]); - status->freq = dev->mt76.chandef.chan->center_freq; - status->band = dev->mt76.chandef.chan->band; - - status->tid = FIELD_GET(MT_RXWI_TID, tid_sn); - status->seqno = FIELD_GET(MT_RXWI_SN, tid_sn); - - return mt76x2_mac_process_rate(status, rate); -} - -static int -mt76x2_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate, - enum nl80211_band band) -{ - u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate); - - txrate->idx = 0; - txrate->flags = 0; - txrate->count = 1; - - switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) { - case MT_PHY_TYPE_OFDM: - if (band == NL80211_BAND_2GHZ) - idx += 4; - - txrate->idx = idx; - return 0; - case MT_PHY_TYPE_CCK: - if (idx >= 8) - idx -= 8; - - txrate->idx = idx; - return 0; - case MT_PHY_TYPE_HT_GF: - txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD; - /* fall through */ - case MT_PHY_TYPE_HT: - txrate->flags |= IEEE80211_TX_RC_MCS; - txrate->idx = idx; - break; - case MT_PHY_TYPE_VHT: - txrate->flags |= IEEE80211_TX_RC_VHT_MCS; - txrate->idx = idx; - break; - default: - return -EINVAL; - } - - switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) { - case MT_PHY_BW_20: - break; - case MT_PHY_BW_40: - txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; - break; - case MT_PHY_BW_80: - txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; - break; - default: - return -EINVAL; - } - - if (rate & MT_RXWI_RATE_SGI) - txrate->flags |= IEEE80211_TX_RC_SHORT_GI; - - return 0; -} - -static void -mt76x2_mac_fill_tx_status(struct mt76x2_dev *dev, - struct ieee80211_tx_info *info, - struct mt76x2_tx_status *st, int n_frames) -{ - struct ieee80211_tx_rate *rate = info->status.rates; - int cur_idx, last_rate; - int i; - - if (!n_frames) - return; - - last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1); - mt76x2_mac_process_tx_rate(&rate[last_rate], st->rate, - dev->mt76.chandef.chan->band); - if (last_rate < IEEE80211_TX_MAX_RATES - 1) - rate[last_rate + 1].idx = -1; - - cur_idx = rate[last_rate].idx + st->retry; - for (i = 0; i <= last_rate; i++) { - rate[i].flags = rate[last_rate].flags; - rate[i].idx = max_t(int, 0, cur_idx - i); - rate[i].count = 1; - } - - if (last_rate > 0) - rate[last_rate - 1].count = st->retry + 1 - last_rate; - - info->status.ampdu_len = n_frames; - info->status.ampdu_ack_len = st->success ? n_frames : 0; - - if (st->pktid & MT_TXWI_PKTID_PROBE) - info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; - - if (st->aggr) - info->flags |= IEEE80211_TX_CTL_AMPDU | - IEEE80211_TX_STAT_AMPDU; - - if (!st->ack_req) - info->flags |= IEEE80211_TX_CTL_NO_ACK; - else if (st->success) - info->flags |= IEEE80211_TX_STAT_ACK; -} - -static void -mt76x2_send_tx_status(struct mt76x2_dev *dev, struct mt76x2_tx_status *stat, - u8 *update) -{ - struct ieee80211_tx_info info = {}; - struct ieee80211_sta *sta = NULL; - struct mt76_wcid *wcid = NULL; - struct mt76x2_sta *msta = NULL; - - rcu_read_lock(); - if (stat->wcid < ARRAY_SIZE(dev->wcid)) - wcid = rcu_dereference(dev->wcid[stat->wcid]); - - if (wcid) { - void *priv; - - priv = msta = container_of(wcid, struct mt76x2_sta, wcid); - sta = container_of(priv, struct ieee80211_sta, - drv_priv); - } - - if (msta && stat->aggr) { - u32 stat_val, stat_cache; - - stat_val = stat->rate; - stat_val |= ((u32) stat->retry) << 16; - stat_cache = msta->status.rate; - stat_cache |= ((u32) msta->status.retry) << 16; - - if (*update == 0 && stat_val == stat_cache && - stat->wcid == msta->status.wcid && msta->n_frames < 32) { - msta->n_frames++; - goto out; - } - - mt76x2_mac_fill_tx_status(dev, &info, &msta->status, - msta->n_frames); - - msta->status = *stat; - msta->n_frames = 1; - *update = 0; - } else { - mt76x2_mac_fill_tx_status(dev, &info, stat, 1); - *update = 1; - } - - ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info); - -out: - rcu_read_unlock(); -} - void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq) { struct mt76x2_tx_status stat = {}; unsigned long flags; u8 update = 1; + bool ret; if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) return; @@ -529,26 +41,13 @@ void mt76x2_mac_poll_tx_status(struct mt76x2_dev *dev, bool irq) trace_mac_txstat_poll(dev); while (!irq || !kfifo_is_full(&dev->txstatus_fifo)) { - u32 stat1, stat2; - spin_lock_irqsave(&dev->irq_lock, flags); - stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT); - stat1 = mt76_rr(dev, MT_TX_STAT_FIFO); - if (!(stat1 & MT_TX_STAT_FIFO_VALID)) { - spin_unlock_irqrestore(&dev->irq_lock, flags); - break; - } - + ret = mt76x2_mac_load_tx_status(dev, &stat); spin_unlock_irqrestore(&dev->irq_lock, flags); - stat.valid = 1; - stat.success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS); - stat.aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR); - stat.ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ); - stat.wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1); - stat.rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1); - stat.retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2); - stat.pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2); + if (!ret) + break; + trace_mac_txstat_fetch(dev, &stat); if (!irq) { @@ -597,104 +96,6 @@ void mt76x2_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, dev_kfree_skb_any(e->skb); } -static enum mt76x2_cipher_type -mt76x2_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data) -{ - memset(key_data, 0, 32); - if (!key) - return MT_CIPHER_NONE; - - if (key->keylen > 32) - return MT_CIPHER_NONE; - - memcpy(key_data, key->key, key->keylen); - - switch (key->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - return MT_CIPHER_WEP40; - case WLAN_CIPHER_SUITE_WEP104: - return MT_CIPHER_WEP104; - case WLAN_CIPHER_SUITE_TKIP: - return MT_CIPHER_TKIP; - case WLAN_CIPHER_SUITE_CCMP: - return MT_CIPHER_AES_CCMP; - default: - return MT_CIPHER_NONE; - } -} - -void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac) -{ - struct mt76_wcid_addr addr = {}; - u32 attr; - - attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) | - FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8)); - - mt76_wr(dev, MT_WCID_ATTR(idx), attr); - - mt76_wr(dev, MT_WCID_TX_RATE(idx), 0); - mt76_wr(dev, MT_WCID_TX_RATE(idx) + 4, 0); - - if (idx >= 128) - return; - - if (mac) - memcpy(addr.macaddr, mac, ETH_ALEN); - - mt76_wr_copy(dev, MT_WCID_ADDR(idx), &addr, sizeof(addr)); -} - -int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx, - struct ieee80211_key_conf *key) -{ - enum mt76x2_cipher_type cipher; - u8 key_data[32]; - u8 iv_data[8]; - - cipher = mt76x2_mac_get_key_info(key, key_data); - if (cipher == MT_CIPHER_NONE && key) - return -EOPNOTSUPP; - - mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PKEY_MODE, cipher); - mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data)); - - memset(iv_data, 0, sizeof(iv_data)); - if (key) { - mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE, - !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); - iv_data[3] = key->keyidx << 6; - if (cipher >= MT_CIPHER_TKIP) - iv_data[3] |= 0x20; - } - - mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data)); - - return 0; -} - -int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx, - struct ieee80211_key_conf *key) -{ - enum mt76x2_cipher_type cipher; - u8 key_data[32]; - u32 val; - - cipher = mt76x2_mac_get_key_info(key, key_data); - if (cipher == MT_CIPHER_NONE && key) - return -EOPNOTSUPP; - - val = mt76_rr(dev, MT_SKEY_MODE(vif_idx)); - val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx)); - val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx); - mt76_wr(dev, MT_SKEY_MODE(vif_idx), val); - - mt76_wr_copy(dev, MT_SKEY(vif_idx, key_idx), key_data, - sizeof(key_data)); - - return 0; -} - static int mt76_write_beacon(struct mt76x2_dev *dev, int offset, struct sk_buff *skb) { @@ -704,7 +105,7 @@ mt76_write_beacon(struct mt76x2_dev *dev, int offset, struct sk_buff *skb) if (WARN_ON_ONCE(beacon_len < skb->len + sizeof(struct mt76x2_txwi))) return -ENOSPC; - mt76x2_mac_write_txwi(dev, &txwi, skb, NULL, NULL); + mt76x2_mac_write_txwi(dev, &txwi, skb, NULL, NULL, skb->len); mt76_wr_copy(dev, offset, &txwi, sizeof(txwi)); offset += sizeof(txwi); @@ -839,3 +240,33 @@ void mt76x2_mac_work(struct work_struct *work) ieee80211_queue_delayed_work(mt76_hw(dev), &dev->mac_work, MT_CALIBRATE_INTERVAL); } + +void mt76x2_mac_set_tx_protection(struct mt76x2_dev *dev, u32 val) +{ + u32 data = 0; + + if (val != ~0) + data = FIELD_PREP(MT_PROT_CFG_CTRL, 1) | + MT_PROT_CFG_RTS_THRESH; + + mt76_rmw_field(dev, MT_TX_RTS_CFG, MT_TX_RTS_CFG_THRESH, val); + + mt76_rmw(dev, MT_CCK_PROT_CFG, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_OFDM_PROT_CFG, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_MM20_PROT_CFG, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_MM40_PROT_CFG, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_GF20_PROT_CFG, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_GF40_PROT_CFG, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_TX_PROT_CFG6, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_TX_PROT_CFG7, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); + mt76_rmw(dev, MT_TX_PROT_CFG8, + MT_PROT_CFG_CTRL | MT_PROT_CFG_RTS_THRESH, data); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h index c048cd06df6b..5af0107ba748 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac.h @@ -166,7 +166,7 @@ int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb, void *rxi); void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi, struct sk_buff *skb, struct mt76_wcid *wcid, - struct ieee80211_sta *sta); + struct ieee80211_sta *sta, int len); void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac); int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx, struct ieee80211_key_conf *key); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c new file mode 100644 index 000000000000..6542644bc325 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mac_common.c @@ -0,0 +1,699 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2.h" + +void mt76x2_mac_stop(struct mt76x2_dev *dev, bool force) +{ + bool stopped = false; + u32 rts_cfg; + int i; + + mt76_wr(dev, MT_MAC_SYS_CTRL, 0); + + rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG); + mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT); + + /* Wait for MAC to become idle */ + for (i = 0; i < 300; i++) { + if ((mt76_rr(dev, MT_MAC_STATUS) & + (MT_MAC_STATUS_RX | MT_MAC_STATUS_TX)) || + mt76_rr(dev, MT_BBP(IBI, 12))) { + udelay(1); + continue; + } + + stopped = true; + break; + } + + if (force && !stopped) { + mt76_set(dev, MT_BBP(CORE, 4), BIT(1)); + mt76_clear(dev, MT_BBP(CORE, 4), BIT(1)); + + mt76_set(dev, MT_BBP(CORE, 4), BIT(0)); + mt76_clear(dev, MT_BBP(CORE, 4), BIT(0)); + } + + mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg); +} +EXPORT_SYMBOL_GPL(mt76x2_mac_stop); + +bool mt76x2_mac_load_tx_status(struct mt76x2_dev *dev, + struct mt76x2_tx_status *stat) +{ + u32 stat1, stat2; + + stat2 = mt76_rr(dev, MT_TX_STAT_FIFO_EXT); + stat1 = mt76_rr(dev, MT_TX_STAT_FIFO); + + stat->valid = !!(stat1 & MT_TX_STAT_FIFO_VALID); + if (!stat->valid) + return false; + + stat->success = !!(stat1 & MT_TX_STAT_FIFO_SUCCESS); + stat->aggr = !!(stat1 & MT_TX_STAT_FIFO_AGGR); + stat->ack_req = !!(stat1 & MT_TX_STAT_FIFO_ACKREQ); + stat->wcid = FIELD_GET(MT_TX_STAT_FIFO_WCID, stat1); + stat->rate = FIELD_GET(MT_TX_STAT_FIFO_RATE, stat1); + + stat->retry = FIELD_GET(MT_TX_STAT_FIFO_EXT_RETRY, stat2); + stat->pktid = FIELD_GET(MT_TX_STAT_FIFO_EXT_PKTID, stat2); + + return true; +} +EXPORT_SYMBOL_GPL(mt76x2_mac_load_tx_status); + +static int +mt76x2_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate, + enum nl80211_band band) +{ + u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate); + + txrate->idx = 0; + txrate->flags = 0; + txrate->count = 1; + + switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) { + case MT_PHY_TYPE_OFDM: + if (band == NL80211_BAND_2GHZ) + idx += 4; + + txrate->idx = idx; + return 0; + case MT_PHY_TYPE_CCK: + if (idx >= 8) + idx -= 8; + + txrate->idx = idx; + return 0; + case MT_PHY_TYPE_HT_GF: + txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD; + /* fall through */ + case MT_PHY_TYPE_HT: + txrate->flags |= IEEE80211_TX_RC_MCS; + txrate->idx = idx; + break; + case MT_PHY_TYPE_VHT: + txrate->flags |= IEEE80211_TX_RC_VHT_MCS; + txrate->idx = idx; + break; + default: + return -EINVAL; + } + + switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) { + case MT_PHY_BW_20: + break; + case MT_PHY_BW_40: + txrate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH; + break; + case MT_PHY_BW_80: + txrate->flags |= IEEE80211_TX_RC_80_MHZ_WIDTH; + break; + default: + return -EINVAL; + } + + if (rate & MT_RXWI_RATE_SGI) + txrate->flags |= IEEE80211_TX_RC_SHORT_GI; + + return 0; +} + +static void +mt76x2_mac_fill_tx_status(struct mt76x2_dev *dev, + struct ieee80211_tx_info *info, + struct mt76x2_tx_status *st, int n_frames) +{ + struct ieee80211_tx_rate *rate = info->status.rates; + int cur_idx, last_rate; + int i; + + if (!n_frames) + return; + + last_rate = min_t(int, st->retry, IEEE80211_TX_MAX_RATES - 1); + mt76x2_mac_process_tx_rate(&rate[last_rate], st->rate, + dev->mt76.chandef.chan->band); + if (last_rate < IEEE80211_TX_MAX_RATES - 1) + rate[last_rate + 1].idx = -1; + + cur_idx = rate[last_rate].idx + last_rate; + for (i = 0; i <= last_rate; i++) { + rate[i].flags = rate[last_rate].flags; + rate[i].idx = max_t(int, 0, cur_idx - i); + rate[i].count = 1; + } + rate[last_rate].count = st->retry + 1 - last_rate; + + info->status.ampdu_len = n_frames; + info->status.ampdu_ack_len = st->success ? n_frames : 0; + + if (st->pktid & MT_TXWI_PKTID_PROBE) + info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; + + if (st->aggr) + info->flags |= IEEE80211_TX_CTL_AMPDU | + IEEE80211_TX_STAT_AMPDU; + + if (!st->ack_req) + info->flags |= IEEE80211_TX_CTL_NO_ACK; + else if (st->success) + info->flags |= IEEE80211_TX_STAT_ACK; +} + +void mt76x2_send_tx_status(struct mt76x2_dev *dev, + struct mt76x2_tx_status *stat, u8 *update) +{ + struct ieee80211_tx_info info = {}; + struct ieee80211_sta *sta = NULL; + struct mt76_wcid *wcid = NULL; + struct mt76x2_sta *msta = NULL; + + rcu_read_lock(); + if (stat->wcid < ARRAY_SIZE(dev->wcid)) + wcid = rcu_dereference(dev->wcid[stat->wcid]); + + if (wcid) { + void *priv; + + priv = msta = container_of(wcid, struct mt76x2_sta, wcid); + sta = container_of(priv, struct ieee80211_sta, + drv_priv); + } + + if (msta && stat->aggr) { + u32 stat_val, stat_cache; + + stat_val = stat->rate; + stat_val |= ((u32) stat->retry) << 16; + stat_cache = msta->status.rate; + stat_cache |= ((u32) msta->status.retry) << 16; + + if (*update == 0 && stat_val == stat_cache && + stat->wcid == msta->status.wcid && msta->n_frames < 32) { + msta->n_frames++; + goto out; + } + + mt76x2_mac_fill_tx_status(dev, &info, &msta->status, + msta->n_frames); + + msta->status = *stat; + msta->n_frames = 1; + *update = 0; + } else { + mt76x2_mac_fill_tx_status(dev, &info, stat, 1); + *update = 1; + } + + ieee80211_tx_status_noskb(mt76_hw(dev), sta, &info); + +out: + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(mt76x2_send_tx_status); + +static enum mt76x2_cipher_type +mt76x2_mac_get_key_info(struct ieee80211_key_conf *key, u8 *key_data) +{ + memset(key_data, 0, 32); + if (!key) + return MT_CIPHER_NONE; + + if (key->keylen > 32) + return MT_CIPHER_NONE; + + memcpy(key_data, key->key, key->keylen); + + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + return MT_CIPHER_WEP40; + case WLAN_CIPHER_SUITE_WEP104: + return MT_CIPHER_WEP104; + case WLAN_CIPHER_SUITE_TKIP: + return MT_CIPHER_TKIP; + case WLAN_CIPHER_SUITE_CCMP: + return MT_CIPHER_AES_CCMP; + default: + return MT_CIPHER_NONE; + } +} + +int mt76x2_mac_shared_key_setup(struct mt76x2_dev *dev, u8 vif_idx, u8 key_idx, + struct ieee80211_key_conf *key) +{ + enum mt76x2_cipher_type cipher; + u8 key_data[32]; + u32 val; + + cipher = mt76x2_mac_get_key_info(key, key_data); + if (cipher == MT_CIPHER_NONE && key) + return -EOPNOTSUPP; + + val = mt76_rr(dev, MT_SKEY_MODE(vif_idx)); + val &= ~(MT_SKEY_MODE_MASK << MT_SKEY_MODE_SHIFT(vif_idx, key_idx)); + val |= cipher << MT_SKEY_MODE_SHIFT(vif_idx, key_idx); + mt76_wr(dev, MT_SKEY_MODE(vif_idx), val); + + mt76_wr_copy(dev, MT_SKEY(vif_idx, key_idx), key_data, + sizeof(key_data)); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x2_mac_shared_key_setup); + +int mt76x2_mac_wcid_set_key(struct mt76x2_dev *dev, u8 idx, + struct ieee80211_key_conf *key) +{ + enum mt76x2_cipher_type cipher; + u8 key_data[32]; + u8 iv_data[8]; + + cipher = mt76x2_mac_get_key_info(key, key_data); + if (cipher == MT_CIPHER_NONE && key) + return -EOPNOTSUPP; + + mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PKEY_MODE, cipher); + mt76_wr_copy(dev, MT_WCID_KEY(idx), key_data, sizeof(key_data)); + + memset(iv_data, 0, sizeof(iv_data)); + if (key) { + mt76_rmw_field(dev, MT_WCID_ATTR(idx), MT_WCID_ATTR_PAIRWISE, + !!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)); + iv_data[3] = key->keyidx << 6; + if (cipher >= MT_CIPHER_TKIP) + iv_data[3] |= 0x20; + } + + mt76_wr_copy(dev, MT_WCID_IV(idx), iv_data, sizeof(iv_data)); + + return 0; +} +EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_key); + +static __le16 +mt76x2_mac_tx_rate_val(struct mt76x2_dev *dev, + const struct ieee80211_tx_rate *rate, u8 *nss_val) +{ + u16 rateval; + u8 phy, rate_idx; + u8 nss = 1; + u8 bw = 0; + + if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { + rate_idx = rate->idx; + nss = 1 + (rate->idx >> 4); + phy = MT_PHY_TYPE_VHT; + if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH) + bw = 2; + else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + bw = 1; + } else if (rate->flags & IEEE80211_TX_RC_MCS) { + rate_idx = rate->idx; + nss = 1 + (rate->idx >> 3); + phy = MT_PHY_TYPE_HT; + if (rate->flags & IEEE80211_TX_RC_GREEN_FIELD) + phy = MT_PHY_TYPE_HT_GF; + if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + bw = 1; + } else { + const struct ieee80211_rate *r; + int band = dev->mt76.chandef.chan->band; + u16 val; + + r = &mt76_hw(dev)->wiphy->bands[band]->bitrates[rate->idx]; + if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) + val = r->hw_value_short; + else + val = r->hw_value; + + phy = val >> 8; + rate_idx = val & 0xff; + bw = 0; + } + + rateval = FIELD_PREP(MT_RXWI_RATE_INDEX, rate_idx); + rateval |= FIELD_PREP(MT_RXWI_RATE_PHY, phy); + rateval |= FIELD_PREP(MT_RXWI_RATE_BW, bw); + if (rate->flags & IEEE80211_TX_RC_SHORT_GI) + rateval |= MT_RXWI_RATE_SGI; + + *nss_val = nss; + return cpu_to_le16(rateval); +} + +void mt76x2_mac_wcid_set_rate(struct mt76x2_dev *dev, struct mt76_wcid *wcid, + const struct ieee80211_tx_rate *rate) +{ + spin_lock_bh(&dev->mt76.lock); + wcid->tx_rate = mt76x2_mac_tx_rate_val(dev, rate, &wcid->tx_rate_nss); + wcid->tx_rate_set = true; + spin_unlock_bh(&dev->mt76.lock); +} +EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_rate); + +void mt76x2_mac_write_txwi(struct mt76x2_dev *dev, struct mt76x2_txwi *txwi, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_sta *sta, int len) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct ieee80211_tx_rate *rate = &info->control.rates[0]; + struct ieee80211_key_conf *key = info->control.hw_key; + struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + u16 rate_ht_mask = FIELD_PREP(MT_RXWI_RATE_PHY, BIT(1) | BIT(2)); + u16 txwi_flags = 0; + u8 nss; + s8 txpwr_adj, max_txpwr_adj; + u8 ccmp_pn[8]; + + memset(txwi, 0, sizeof(*txwi)); + + if (wcid) + txwi->wcid = wcid->idx; + else + txwi->wcid = 0xff; + + txwi->pktid = 1; + + if (wcid && wcid->sw_iv && key) { + u64 pn = atomic64_inc_return(&key->tx_pn); + ccmp_pn[0] = pn; + ccmp_pn[1] = pn >> 8; + ccmp_pn[2] = 0; + ccmp_pn[3] = 0x20 | (key->keyidx << 6); + ccmp_pn[4] = pn >> 16; + ccmp_pn[5] = pn >> 24; + ccmp_pn[6] = pn >> 32; + ccmp_pn[7] = pn >> 40; + txwi->iv = *((__le32 *)&ccmp_pn[0]); + txwi->eiv = *((__le32 *)&ccmp_pn[1]); + } + + spin_lock_bh(&dev->mt76.lock); + if (wcid && (rate->idx < 0 || !rate->count)) { + txwi->rate = wcid->tx_rate; + max_txpwr_adj = wcid->max_txpwr_adj; + nss = wcid->tx_rate_nss; + } else { + txwi->rate = mt76x2_mac_tx_rate_val(dev, rate, &nss); + max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, rate); + } + spin_unlock_bh(&dev->mt76.lock); + + txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, dev->txpower_conf, + max_txpwr_adj); + txwi->ctl2 = FIELD_PREP(MT_TX_PWR_ADJ, txpwr_adj); + + if (mt76xx_rev(dev) >= MT76XX_REV_E4) + txwi->txstream = 0x13; + else if (mt76xx_rev(dev) >= MT76XX_REV_E3 && + !(txwi->rate & cpu_to_le16(rate_ht_mask))) + txwi->txstream = 0x93; + + if (info->flags & IEEE80211_TX_CTL_LDPC) + txwi->rate |= cpu_to_le16(MT_RXWI_RATE_LDPC); + if ((info->flags & IEEE80211_TX_CTL_STBC) && nss == 1) + txwi->rate |= cpu_to_le16(MT_RXWI_RATE_STBC); + if (nss > 1 && sta && sta->smps_mode == IEEE80211_SMPS_DYNAMIC) + txwi_flags |= MT_TXWI_FLAGS_MMPS; + if (!(info->flags & IEEE80211_TX_CTL_NO_ACK)) + txwi->ack_ctl |= MT_TXWI_ACK_CTL_REQ; + if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) + txwi->ack_ctl |= MT_TXWI_ACK_CTL_NSEQ; + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) + txwi->pktid |= MT_TXWI_PKTID_PROBE; + if ((info->flags & IEEE80211_TX_CTL_AMPDU) && sta) { + u8 ba_size = IEEE80211_MIN_AMPDU_BUF; + + ba_size <<= sta->ht_cap.ampdu_factor; + ba_size = min_t(int, 63, ba_size - 1); + if (info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) + ba_size = 0; + txwi->ack_ctl |= FIELD_PREP(MT_TXWI_ACK_CTL_BA_WINDOW, ba_size); + + txwi_flags |= MT_TXWI_FLAGS_AMPDU | + FIELD_PREP(MT_TXWI_FLAGS_MPDU_DENSITY, + sta->ht_cap.ampdu_density); + } + + if (ieee80211_is_probe_resp(hdr->frame_control) || + ieee80211_is_beacon(hdr->frame_control)) + txwi_flags |= MT_TXWI_FLAGS_TS; + + txwi->flags |= cpu_to_le16(txwi_flags); + txwi->len_ctl = cpu_to_le16(len); +} +EXPORT_SYMBOL_GPL(mt76x2_mac_write_txwi); + +void mt76x2_mac_wcid_set_drop(struct mt76x2_dev *dev, u8 idx, bool drop) +{ + u32 val = mt76_rr(dev, MT_WCID_DROP(idx)); + u32 bit = MT_WCID_DROP_MASK(idx); + + /* prevent unnecessary writes */ + if ((val & bit) != (bit * drop)) + mt76_wr(dev, MT_WCID_DROP(idx), (val & ~bit) | (bit * drop)); +} +EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_set_drop); + +void mt76x2_mac_wcid_setup(struct mt76x2_dev *dev, u8 idx, u8 vif_idx, u8 *mac) +{ + struct mt76_wcid_addr addr = {}; + u32 attr; + + attr = FIELD_PREP(MT_WCID_ATTR_BSS_IDX, vif_idx & 7) | + FIELD_PREP(MT_WCID_ATTR_BSS_IDX_EXT, !!(vif_idx & 8)); + + mt76_wr(dev, MT_WCID_ATTR(idx), attr); + + mt76_wr(dev, MT_WCID_TX_RATE(idx), 0); + mt76_wr(dev, MT_WCID_TX_RATE(idx) + 4, 0); + + if (idx >= 128) + return; + + if (mac) + memcpy(addr.macaddr, mac, ETH_ALEN); + + mt76_wr_copy(dev, MT_WCID_ADDR(idx), &addr, sizeof(addr)); +} +EXPORT_SYMBOL_GPL(mt76x2_mac_wcid_setup); + +static int +mt76x2_mac_process_rate(struct mt76_rx_status *status, u16 rate) +{ + u8 idx = FIELD_GET(MT_RXWI_RATE_INDEX, rate); + + switch (FIELD_GET(MT_RXWI_RATE_PHY, rate)) { + case MT_PHY_TYPE_OFDM: + if (idx >= 8) + idx = 0; + + if (status->band == NL80211_BAND_2GHZ) + idx += 4; + + status->rate_idx = idx; + return 0; + case MT_PHY_TYPE_CCK: + if (idx >= 8) { + idx -= 8; + status->enc_flags |= RX_ENC_FLAG_SHORTPRE; + } + + if (idx >= 4) + idx = 0; + + status->rate_idx = idx; + return 0; + case MT_PHY_TYPE_HT_GF: + status->enc_flags |= RX_ENC_FLAG_HT_GF; + /* fall through */ + case MT_PHY_TYPE_HT: + status->encoding = RX_ENC_HT; + status->rate_idx = idx; + break; + case MT_PHY_TYPE_VHT: + status->encoding = RX_ENC_VHT; + status->rate_idx = FIELD_GET(MT_RATE_INDEX_VHT_IDX, idx); + status->nss = FIELD_GET(MT_RATE_INDEX_VHT_NSS, idx) + 1; + break; + default: + return -EINVAL; + } + + if (rate & MT_RXWI_RATE_LDPC) + status->enc_flags |= RX_ENC_FLAG_LDPC; + + if (rate & MT_RXWI_RATE_SGI) + status->enc_flags |= RX_ENC_FLAG_SHORT_GI; + + if (rate & MT_RXWI_RATE_STBC) + status->enc_flags |= 1 << RX_ENC_FLAG_STBC_SHIFT; + + switch (FIELD_GET(MT_RXWI_RATE_BW, rate)) { + case MT_PHY_BW_20: + break; + case MT_PHY_BW_40: + status->bw = RATE_INFO_BW_40; + break; + case MT_PHY_BW_80: + status->bw = RATE_INFO_BW_80; + break; + default: + break; + } + + return 0; +} + +static void mt76x2_remove_hdr_pad(struct sk_buff *skb, int len) +{ + int hdrlen; + + if (!len) + return; + + hdrlen = ieee80211_get_hdrlen_from_skb(skb); + memmove(skb->data + len, skb->data, hdrlen); + skb_pull(skb, len); +} + +int mt76x2_mac_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain) +{ + struct mt76x2_rx_freq_cal *cal = &dev->cal.rx; + + rssi += cal->rssi_offset[chain]; + rssi -= cal->lna_gain; + + return rssi; +} + +static struct mt76x2_sta * +mt76x2_rx_get_sta(struct mt76x2_dev *dev, u8 idx) +{ + struct mt76_wcid *wcid; + + if (idx >= ARRAY_SIZE(dev->wcid)) + return NULL; + + wcid = rcu_dereference(dev->wcid[idx]); + if (!wcid) + return NULL; + + return container_of(wcid, struct mt76x2_sta, wcid); +} + +static struct mt76_wcid * +mt76x2_rx_get_sta_wcid(struct mt76x2_dev *dev, struct mt76x2_sta *sta, + bool unicast) +{ + if (!sta) + return NULL; + + if (unicast) + return &sta->wcid; + else + return &sta->vif->group_wcid; +} + +int mt76x2_mac_process_rx(struct mt76x2_dev *dev, struct sk_buff *skb, + void *rxi) +{ + struct mt76_rx_status *status = (struct mt76_rx_status *) skb->cb; + struct mt76x2_rxwi *rxwi = rxi; + struct mt76x2_sta *sta; + u32 rxinfo = le32_to_cpu(rxwi->rxinfo); + u32 ctl = le32_to_cpu(rxwi->ctl); + u16 rate = le16_to_cpu(rxwi->rate); + u16 tid_sn = le16_to_cpu(rxwi->tid_sn); + bool unicast = rxwi->rxinfo & cpu_to_le32(MT_RXINFO_UNICAST); + int pad_len = 0; + u8 pn_len; + u8 wcid; + int len; + + if (!test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) + return -EINVAL; + + if (rxinfo & MT_RXINFO_L2PAD) + pad_len += 2; + + if (rxinfo & MT_RXINFO_DECRYPT) { + status->flag |= RX_FLAG_DECRYPTED; + status->flag |= RX_FLAG_MMIC_STRIPPED; + status->flag |= RX_FLAG_MIC_STRIPPED; + status->flag |= RX_FLAG_IV_STRIPPED; + } + + wcid = FIELD_GET(MT_RXWI_CTL_WCID, ctl); + sta = mt76x2_rx_get_sta(dev, wcid); + status->wcid = mt76x2_rx_get_sta_wcid(dev, sta, unicast); + + len = FIELD_GET(MT_RXWI_CTL_MPDU_LEN, ctl); + pn_len = FIELD_GET(MT_RXINFO_PN_LEN, rxinfo); + if (pn_len) { + int offset = ieee80211_get_hdrlen_from_skb(skb) + pad_len; + u8 *data = skb->data + offset; + + status->iv[0] = data[7]; + status->iv[1] = data[6]; + status->iv[2] = data[5]; + status->iv[3] = data[4]; + status->iv[4] = data[1]; + status->iv[5] = data[0]; + + /* + * Driver CCMP validation can't deal with fragments. + * Let mac80211 take care of it. + */ + if (rxinfo & MT_RXINFO_FRAG) { + status->flag &= ~RX_FLAG_IV_STRIPPED; + } else { + pad_len += pn_len << 2; + len -= pn_len << 2; + } + } + + mt76x2_remove_hdr_pad(skb, pad_len); + + if ((rxinfo & MT_RXINFO_BA) && !(rxinfo & MT_RXINFO_NULL)) + status->aggr = true; + + if (WARN_ON_ONCE(len > skb->len)) + return -EINVAL; + + pskb_trim(skb, len); + status->chains = BIT(0) | BIT(1); + status->chain_signal[0] = mt76x2_mac_get_rssi(dev, rxwi->rssi[0], 0); + status->chain_signal[1] = mt76x2_mac_get_rssi(dev, rxwi->rssi[1], 1); + status->signal = max(status->chain_signal[0], status->chain_signal[1]); + status->freq = dev->mt76.chandef.chan->center_freq; + status->band = dev->mt76.chandef.chan->band; + + status->tid = FIELD_GET(MT_RXWI_TID, tid_sn); + status->seqno = FIELD_GET(MT_RXWI_SN, tid_sn); + + if (sta) { + ewma_signal_add(&sta->rssi, status->signal); + sta->inactive_count = 0; + } + + return mt76x2_mac_process_rate(status, rate); +} +EXPORT_SYMBOL_GPL(mt76x2_mac_process_rx); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c index ce90ff999b49..680a89f8aa87 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_main.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_main.c @@ -53,30 +53,6 @@ mt76x2_stop(struct ieee80211_hw *hw) mutex_unlock(&dev->mutex); } -static void -mt76x2_txq_init(struct mt76x2_dev *dev, struct ieee80211_txq *txq) -{ - struct mt76_txq *mtxq; - - if (!txq) - return; - - mtxq = (struct mt76_txq *) txq->drv_priv; - if (txq->sta) { - struct mt76x2_sta *sta; - - sta = (struct mt76x2_sta *) txq->sta->drv_priv; - mtxq->wcid = &sta->wcid; - } else { - struct mt76x2_vif *mvif; - - mvif = (struct mt76x2_vif *) txq->vif->drv_priv; - mtxq->wcid = &mvif->group_wcid; - } - - mt76_txq_init(&dev->mt76, txq); -} - static int mt76x2_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { @@ -111,14 +87,6 @@ mt76x2_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) return 0; } -static void -mt76x2_remove_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) -{ - struct mt76x2_dev *dev = hw->priv; - - mt76_txq_remove(&dev->mt76, vif->txq); -} - static int mt76x2_set_channel(struct mt76x2_dev *dev, struct cfg80211_chan_def *chandef) { @@ -194,39 +162,6 @@ mt76x2_config(struct ieee80211_hw *hw, u32 changed) } static void -mt76x2_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, - unsigned int *total_flags, u64 multicast) -{ - struct mt76x2_dev *dev = hw->priv; - u32 flags = 0; - -#define MT76_FILTER(_flag, _hw) do { \ - flags |= *total_flags & FIF_##_flag; \ - dev->rxfilter &= ~(_hw); \ - dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \ - } while (0) - - mutex_lock(&dev->mutex); - - dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS; - - MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR); - MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR); - MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK | - MT_RX_FILTR_CFG_CTS | - MT_RX_FILTR_CFG_CFEND | - MT_RX_FILTR_CFG_CFACK | - MT_RX_FILTR_CFG_BA | - MT_RX_FILTR_CFG_CTRL_RSV); - MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL); - - *total_flags = flags; - mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); - - mutex_unlock(&dev->mutex); -} - -static void mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ieee80211_bss_conf *info, u32 changed) { @@ -238,10 +173,13 @@ mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, if (changed & BSS_CHANGED_BSSID) mt76x2_mac_set_bssid(dev, mvif->idx, info->bssid); - if (changed & BSS_CHANGED_BEACON_INT) + if (changed & BSS_CHANGED_BEACON_INT) { mt76_rmw_field(dev, MT_BEACON_TIME_CFG, MT_BEACON_TIME_CFG_INTVAL, info->beacon_int << 4); + dev->beacon_int = info->beacon_int; + dev->tbtt_count = 0; + } if (changed & BSS_CHANGED_BEACON_ENABLED) { tasklet_disable(&dev->pre_tbtt_tasklet); @@ -260,66 +198,6 @@ mt76x2_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, mutex_unlock(&dev->mutex); } -static int -mt76x2_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct mt76x2_dev *dev = hw->priv; - struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; - struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv; - int ret = 0; - int idx = 0; - int i; - - mutex_lock(&dev->mutex); - - idx = mt76_wcid_alloc(dev->wcid_mask, ARRAY_SIZE(dev->wcid)); - if (idx < 0) { - ret = -ENOSPC; - goto out; - } - - msta->vif = mvif; - msta->wcid.sta = 1; - msta->wcid.idx = idx; - msta->wcid.hw_key_idx = -1; - mt76x2_mac_wcid_setup(dev, idx, mvif->idx, sta->addr); - mt76x2_mac_wcid_set_drop(dev, idx, false); - for (i = 0; i < ARRAY_SIZE(sta->txq); i++) - mt76x2_txq_init(dev, sta->txq[i]); - - if (vif->type == NL80211_IFTYPE_AP) - set_bit(MT_WCID_FLAG_CHECK_PS, &msta->wcid.flags); - - rcu_assign_pointer(dev->wcid[idx], &msta->wcid); - -out: - mutex_unlock(&dev->mutex); - - return ret; -} - -static int -mt76x2_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct mt76x2_dev *dev = hw->priv; - struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; - int idx = msta->wcid.idx; - int i; - - mutex_lock(&dev->mutex); - rcu_assign_pointer(dev->wcid[idx], NULL); - for (i = 0; i < ARRAY_SIZE(sta->txq); i++) - mt76_txq_remove(&dev->mt76, sta->txq[i]); - mt76x2_mac_wcid_set_drop(dev, idx, true); - mt76_wcid_free(dev->wcid_mask, idx); - mt76x2_mac_wcid_setup(dev, idx, 0, NULL); - mutex_unlock(&dev->mutex); - - return 0; -} - void mt76x2_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) { @@ -331,117 +209,6 @@ mt76x2_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps) mt76x2_mac_wcid_set_drop(dev, idx, ps); } -static int -mt76x2_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, - struct ieee80211_vif *vif, struct ieee80211_sta *sta, - struct ieee80211_key_conf *key) -{ - struct mt76x2_dev *dev = hw->priv; - struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv; - struct mt76x2_sta *msta; - struct mt76_wcid *wcid; - int idx = key->keyidx; - int ret; - - /* fall back to sw encryption for unsupported ciphers */ - switch (key->cipher) { - case WLAN_CIPHER_SUITE_WEP40: - case WLAN_CIPHER_SUITE_WEP104: - case WLAN_CIPHER_SUITE_TKIP: - case WLAN_CIPHER_SUITE_CCMP: - break; - default: - return -EOPNOTSUPP; - } - - /* - * The hardware does not support per-STA RX GTK, fall back - * to software mode for these. - */ - if ((vif->type == NL80211_IFTYPE_ADHOC || - vif->type == NL80211_IFTYPE_MESH_POINT) && - (key->cipher == WLAN_CIPHER_SUITE_TKIP || - key->cipher == WLAN_CIPHER_SUITE_CCMP) && - !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) - return -EOPNOTSUPP; - - msta = sta ? (struct mt76x2_sta *) sta->drv_priv : NULL; - wcid = msta ? &msta->wcid : &mvif->group_wcid; - - if (cmd == SET_KEY) { - key->hw_key_idx = wcid->idx; - wcid->hw_key_idx = idx; - if (key->flags & IEEE80211_KEY_FLAG_RX_MGMT) { - key->flags |= IEEE80211_KEY_FLAG_SW_MGMT_TX; - wcid->sw_iv = true; - } - } else { - if (idx == wcid->hw_key_idx) { - wcid->hw_key_idx = -1; - wcid->sw_iv = true; - } - - key = NULL; - } - mt76_wcid_key_setup(&dev->mt76, wcid, key); - - if (!msta) { - if (key || wcid->hw_key_idx == idx) { - ret = mt76x2_mac_wcid_set_key(dev, wcid->idx, key); - if (ret) - return ret; - } - - return mt76x2_mac_shared_key_setup(dev, mvif->idx, idx, key); - } - - return mt76x2_mac_wcid_set_key(dev, msta->wcid.idx, key); -} - -static int -mt76x2_conf_tx(struct ieee80211_hw *hw, struct ieee80211_vif *vif, u16 queue, - const struct ieee80211_tx_queue_params *params) -{ - struct mt76x2_dev *dev = hw->priv; - u8 cw_min = 5, cw_max = 10, qid; - u32 val; - - qid = dev->mt76.q_tx[queue].hw_idx; - - if (params->cw_min) - cw_min = fls(params->cw_min); - if (params->cw_max) - cw_max = fls(params->cw_max); - - val = FIELD_PREP(MT_EDCA_CFG_TXOP, params->txop) | - FIELD_PREP(MT_EDCA_CFG_AIFSN, params->aifs) | - FIELD_PREP(MT_EDCA_CFG_CWMIN, cw_min) | - FIELD_PREP(MT_EDCA_CFG_CWMAX, cw_max); - mt76_wr(dev, MT_EDCA_CFG_AC(qid), val); - - val = mt76_rr(dev, MT_WMM_TXOP(qid)); - val &= ~(MT_WMM_TXOP_MASK << MT_WMM_TXOP_SHIFT(qid)); - val |= params->txop << MT_WMM_TXOP_SHIFT(qid); - mt76_wr(dev, MT_WMM_TXOP(qid), val); - - val = mt76_rr(dev, MT_WMM_AIFSN); - val &= ~(MT_WMM_AIFSN_MASK << MT_WMM_AIFSN_SHIFT(qid)); - val |= params->aifs << MT_WMM_AIFSN_SHIFT(qid); - mt76_wr(dev, MT_WMM_AIFSN, val); - - val = mt76_rr(dev, MT_WMM_CWMIN); - val &= ~(MT_WMM_CWMIN_MASK << MT_WMM_CWMIN_SHIFT(qid)); - val |= cw_min << MT_WMM_CWMIN_SHIFT(qid); - mt76_wr(dev, MT_WMM_CWMIN, val); - - val = mt76_rr(dev, MT_WMM_CWMAX); - val &= ~(MT_WMM_CWMAX_MASK << MT_WMM_CWMAX_SHIFT(qid)); - val |= cw_max << MT_WMM_CWMAX_SHIFT(qid); - mt76_wr(dev, MT_WMM_CWMAX, val); - - return 0; -} - static void mt76x2_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const u8 *mac) @@ -480,75 +247,6 @@ mt76x2_get_txpower(struct ieee80211_hw *hw, struct ieee80211_vif *vif, int *dbm) return 0; } -static int -mt76x2_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_ampdu_params *params) -{ - enum ieee80211_ampdu_mlme_action action = params->action; - struct ieee80211_sta *sta = params->sta; - struct mt76x2_dev *dev = hw->priv; - struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; - struct ieee80211_txq *txq = sta->txq[params->tid]; - u16 tid = params->tid; - u16 *ssn = ¶ms->ssn; - struct mt76_txq *mtxq; - - if (!txq) - return -EINVAL; - - mtxq = (struct mt76_txq *)txq->drv_priv; - - switch (action) { - case IEEE80211_AMPDU_RX_START: - mt76_rx_aggr_start(&dev->mt76, &msta->wcid, tid, *ssn, params->buf_size); - mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid)); - break; - case IEEE80211_AMPDU_RX_STOP: - mt76_rx_aggr_stop(&dev->mt76, &msta->wcid, tid); - mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, - BIT(16 + tid)); - break; - case IEEE80211_AMPDU_TX_OPERATIONAL: - mtxq->aggr = true; - mtxq->send_bar = false; - ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); - break; - case IEEE80211_AMPDU_TX_STOP_FLUSH: - case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT: - mtxq->aggr = false; - ieee80211_send_bar(vif, sta->addr, tid, mtxq->agg_ssn); - break; - case IEEE80211_AMPDU_TX_START: - mtxq->agg_ssn = *ssn << 4; - ieee80211_start_tx_ba_cb_irqsafe(vif, sta->addr, tid); - break; - case IEEE80211_AMPDU_TX_STOP_CONT: - mtxq->aggr = false; - ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid); - break; - } - - return 0; -} - -static void -mt76x2_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif, - struct ieee80211_sta *sta) -{ - struct mt76x2_dev *dev = hw->priv; - struct mt76x2_sta *msta = (struct mt76x2_sta *) sta->drv_priv; - struct ieee80211_sta_rates *rates = rcu_dereference(sta->rates); - struct ieee80211_tx_rate rate = {}; - - if (!rates) - return; - - rate.idx = rates->rate[0].idx; - rate.flags = rates->rate[0].flags; - mt76x2_mac_wcid_set_rate(dev, &msta->wcid, &rate); - msta->wcid.max_txpwr_adj = mt76x2_tx_get_max_txpwr_adj(dev, &rate); -} - static void mt76x2_set_coverage_class(struct ieee80211_hw *hw, s16 coverage_class) { @@ -600,6 +298,21 @@ static int mt76x2_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, return 0; } +static int +mt76x2_set_rts_threshold(struct ieee80211_hw *hw, u32 val) +{ + struct mt76x2_dev *dev = hw->priv; + + if (val != ~0 && val > 0xffff) + return -EINVAL; + + mutex_lock(&dev->mutex); + mt76x2_mac_set_tx_protection(dev, val); + mutex_unlock(&dev->mutex); + + return 0; +} + const struct ieee80211_ops mt76x2_ops = { .tx = mt76x2_tx, .start = mt76x2_start, @@ -626,5 +339,6 @@ const struct ieee80211_ops mt76x2_ops = { .set_tim = mt76x2_set_tim, .set_antenna = mt76x2_set_antenna, .get_antenna = mt76x2_get_antenna, + .set_rts_threshold = mt76x2_set_rts_threshold, }; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c index dfd36d736b06..743da57760dc 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.c @@ -23,23 +23,6 @@ #include "mt76x2_dma.h" #include "mt76x2_eeprom.h" -struct mt76x2_fw_header { - __le32 ilm_len; - __le32 dlm_len; - __le16 build_ver; - __le16 fw_ver; - u8 pad[4]; - char build_time[16]; -}; - -struct mt76x2_patch_header { - char build_time[16]; - char platform[4]; - char hw_version[4]; - char patch_version[4]; - u8 pad[2]; -}; - static struct sk_buff *mt76x2_mcu_msg_alloc(const void *data, int len) { struct sk_buff *skb; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h index d7a7e83262ce..e40293f21417 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_mcu.h @@ -146,6 +146,23 @@ struct mt76x2_tssi_comp { u8 offset1; } __packed __aligned(4); +struct mt76x2_fw_header { + __le32 ilm_len; + __le32 dlm_len; + __le16 build_ver; + __le16 fw_ver; + u8 pad[4]; + char build_time[16]; +}; + +struct mt76x2_patch_header { + char build_time[16]; + char platform[4]; + char hw_version[4]; + char patch_version[4]; + u8 pad[2]; +}; + int mt76x2_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type, u32 param); int mt76x2_mcu_tssi_comp(struct mt76x2_dev *dev, struct mt76x2_tssi_comp *tssi_data); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c index c1c38ca3330a..84c96c0415b6 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy.c @@ -19,172 +19,6 @@ #include "mt76x2_mcu.h" #include "mt76x2_eeprom.h" -static void -mt76x2_adjust_high_lna_gain(struct mt76x2_dev *dev, int reg, s8 offset) -{ - s8 gain; - - gain = FIELD_GET(MT_BBP_AGC_LNA_HIGH_GAIN, mt76_rr(dev, MT_BBP(AGC, reg))); - gain -= offset / 2; - mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_LNA_HIGH_GAIN, gain); -} - -static void -mt76x2_adjust_agc_gain(struct mt76x2_dev *dev, int reg, s8 offset) -{ - s8 gain; - - gain = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, reg))); - gain += offset; - mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_GAIN, gain); -} - -static void -mt76x2_apply_gain_adj(struct mt76x2_dev *dev) -{ - s8 *gain_adj = dev->cal.rx.high_gain; - - mt76x2_adjust_high_lna_gain(dev, 4, gain_adj[0]); - mt76x2_adjust_high_lna_gain(dev, 5, gain_adj[1]); - - mt76x2_adjust_agc_gain(dev, 8, gain_adj[0]); - mt76x2_adjust_agc_gain(dev, 9, gain_adj[1]); -} - -static u32 -mt76x2_tx_power_mask(u8 v1, u8 v2, u8 v3, u8 v4) -{ - u32 val = 0; - - val |= (v1 & (BIT(6) - 1)) << 0; - val |= (v2 & (BIT(6) - 1)) << 8; - val |= (v3 & (BIT(6) - 1)) << 16; - val |= (v4 & (BIT(6) - 1)) << 24; - return val; -} - -int mt76x2_phy_get_rssi(struct mt76x2_dev *dev, s8 rssi, int chain) -{ - struct mt76x2_rx_freq_cal *cal = &dev->cal.rx; - - rssi += cal->rssi_offset[chain]; - rssi -= cal->lna_gain; - - return rssi; -} - -static void -mt76x2_add_rate_power_offset(struct mt76_rate_power *r, int offset) -{ - int i; - - for (i = 0; i < sizeof(r->all); i++) - r->all[i] += offset; -} - -static void -mt76x2_limit_rate_power(struct mt76_rate_power *r, int limit) -{ - int i; - - for (i = 0; i < sizeof(r->all); i++) - if (r->all[i] > limit) - r->all[i] = limit; -} - -static int -mt76x2_get_min_rate_power(struct mt76_rate_power *r) -{ - int i; - s8 ret = 0; - - for (i = 0; i < sizeof(r->all); i++) { - if (!r->all[i]) - continue; - - if (ret) - ret = min(ret, r->all[i]); - else - ret = r->all[i]; - } - - return ret; -} - - -void mt76x2_phy_set_txpower(struct mt76x2_dev *dev) -{ - enum nl80211_chan_width width = dev->mt76.chandef.width; - struct ieee80211_channel *chan = dev->mt76.chandef.chan; - struct mt76x2_tx_power_info txp; - int txp_0, txp_1, delta = 0; - struct mt76_rate_power t = {}; - int base_power, gain; - - mt76x2_get_power_info(dev, &txp, chan); - - if (width == NL80211_CHAN_WIDTH_40) - delta = txp.delta_bw40; - else if (width == NL80211_CHAN_WIDTH_80) - delta = txp.delta_bw80; - - mt76x2_get_rate_power(dev, &t, chan); - mt76x2_add_rate_power_offset(&t, txp.chain[0].target_power); - mt76x2_limit_rate_power(&t, dev->txpower_conf); - dev->txpower_cur = mt76x2_get_max_rate_power(&t); - - base_power = mt76x2_get_min_rate_power(&t); - delta += base_power - txp.chain[0].target_power; - txp_0 = txp.chain[0].target_power + txp.chain[0].delta + delta; - txp_1 = txp.chain[1].target_power + txp.chain[1].delta + delta; - - gain = min(txp_0, txp_1); - if (gain < 0) { - base_power -= gain; - txp_0 -= gain; - txp_1 -= gain; - } else if (gain > 0x2f) { - base_power -= gain - 0x2f; - txp_0 = 0x2f; - txp_1 = 0x2f; - } - - mt76x2_add_rate_power_offset(&t, -base_power); - dev->target_power = txp.chain[0].target_power; - dev->target_power_delta[0] = txp_0 - txp.chain[0].target_power; - dev->target_power_delta[1] = txp_1 - txp.chain[0].target_power; - dev->rate_power = t; - - mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_0, txp_0); - mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_1, txp_1); - - mt76_wr(dev, MT_TX_PWR_CFG_0, - mt76x2_tx_power_mask(t.cck[0], t.cck[2], t.ofdm[0], t.ofdm[2])); - mt76_wr(dev, MT_TX_PWR_CFG_1, - mt76x2_tx_power_mask(t.ofdm[4], t.ofdm[6], t.ht[0], t.ht[2])); - mt76_wr(dev, MT_TX_PWR_CFG_2, - mt76x2_tx_power_mask(t.ht[4], t.ht[6], t.ht[8], t.ht[10])); - mt76_wr(dev, MT_TX_PWR_CFG_3, - mt76x2_tx_power_mask(t.ht[12], t.ht[14], t.ht[0], t.ht[2])); - mt76_wr(dev, MT_TX_PWR_CFG_4, - mt76x2_tx_power_mask(t.ht[4], t.ht[6], 0, 0)); - mt76_wr(dev, MT_TX_PWR_CFG_7, - mt76x2_tx_power_mask(t.ofdm[6], t.vht[8], t.ht[6], t.vht[8])); - mt76_wr(dev, MT_TX_PWR_CFG_8, - mt76x2_tx_power_mask(t.ht[14], t.vht[8], t.vht[8], 0)); - mt76_wr(dev, MT_TX_PWR_CFG_9, - mt76x2_tx_power_mask(t.ht[6], t.vht[8], t.vht[8], 0)); -} - -static bool -mt76x2_channel_silent(struct mt76x2_dev *dev) -{ - struct ieee80211_channel *chan = dev->mt76.chandef.chan; - - return ((chan->flags & IEEE80211_CHAN_RADAR) && - chan->dfs_state != NL80211_DFS_AVAILABLE); -} - static bool mt76x2_phy_tssi_init_cal(struct mt76x2_dev *dev) { @@ -243,140 +77,6 @@ mt76x2_phy_channel_calibrate(struct mt76x2_dev *dev, bool mac_stopped) dev->cal.channel_cal_done = true; } -static void -mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev, enum nl80211_band band) -{ - u32 pa_mode[2]; - u32 pa_mode_adj; - - if (band == NL80211_BAND_2GHZ) { - pa_mode[0] = 0x010055ff; - pa_mode[1] = 0x00550055; - - mt76_wr(dev, MT_TX_ALC_CFG_2, 0x35160a00); - mt76_wr(dev, MT_TX_ALC_CFG_3, 0x35160a06); - - if (mt76x2_ext_pa_enabled(dev, band)) { - mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0x0000ec00); - mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0x0000ec00); - } else { - mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0xf4000200); - mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0xfa000200); - } - } else { - pa_mode[0] = 0x0000ffff; - pa_mode[1] = 0x00ff00ff; - - if (mt76x2_ext_pa_enabled(dev, band)) { - mt76_wr(dev, MT_TX_ALC_CFG_2, 0x2f0f0400); - mt76_wr(dev, MT_TX_ALC_CFG_3, 0x2f0f0476); - } else { - mt76_wr(dev, MT_TX_ALC_CFG_2, 0x1b0f0400); - mt76_wr(dev, MT_TX_ALC_CFG_3, 0x1b0f0476); - } - - if (mt76x2_ext_pa_enabled(dev, band)) - pa_mode_adj = 0x04000000; - else - pa_mode_adj = 0; - - mt76_wr(dev, MT_RF_PA_MODE_ADJ0, pa_mode_adj); - mt76_wr(dev, MT_RF_PA_MODE_ADJ1, pa_mode_adj); - } - - mt76_wr(dev, MT_BB_PA_MODE_CFG0, pa_mode[0]); - mt76_wr(dev, MT_BB_PA_MODE_CFG1, pa_mode[1]); - mt76_wr(dev, MT_RF_PA_MODE_CFG0, pa_mode[0]); - mt76_wr(dev, MT_RF_PA_MODE_CFG1, pa_mode[1]); - - if (mt76x2_ext_pa_enabled(dev, band)) { - u32 val; - - if (band == NL80211_BAND_2GHZ) - val = 0x3c3c023c; - else - val = 0x363c023c; - - mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val); - mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val); - mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00001818); - } else { - if (band == NL80211_BAND_2GHZ) { - u32 val = 0x0f3c3c3c; - - mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val); - mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val); - mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00000606); - } else { - mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x383c023c); - mt76_wr(dev, MT_TX1_RF_GAIN_CORR, 0x24282e28); - mt76_wr(dev, MT_TX_ALC_CFG_4, 0); - } - } -} - -static void -mt76x2_configure_tx_delay(struct mt76x2_dev *dev, enum nl80211_band band, u8 bw) -{ - u32 cfg0, cfg1; - - if (mt76x2_ext_pa_enabled(dev, band)) { - cfg0 = bw ? 0x000b0c01 : 0x00101101; - cfg1 = 0x00011414; - } else { - cfg0 = bw ? 0x000b0b01 : 0x00101001; - cfg1 = 0x00021414; - } - mt76_wr(dev, MT_TX_SW_CFG0, cfg0); - mt76_wr(dev, MT_TX_SW_CFG1, cfg1); - - mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, 15); -} - -static void -mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl) -{ - int core_val, agc_val; - - switch (width) { - case NL80211_CHAN_WIDTH_80: - core_val = 3; - agc_val = 7; - break; - case NL80211_CHAN_WIDTH_40: - core_val = 2; - agc_val = 3; - break; - default: - core_val = 0; - agc_val = 1; - break; - } - - mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val); - mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val); - mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl); - mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl); -} - -static void -mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper) -{ - switch (band) { - case NL80211_BAND_2GHZ: - mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); - mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); - break; - case NL80211_BAND_5GHZ: - mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); - mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); - break; - } - - mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M, - primary_upper); -} - void mt76x2_phy_set_antenna(struct mt76x2_dev *dev) { u32 val; @@ -485,12 +185,14 @@ static void mt76x2_phy_adjust_vga_gain(struct mt76x2_dev *dev) { u32 false_cca; - u8 limit = dev->cal.low_gain > 1 ? 4 : 16; + u8 limit = dev->cal.low_gain > 0 ? 16 : 4; false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS, mt76_rr(dev, MT_RX_STAT_1)); + dev->cal.false_cca = false_cca; if (false_cca > 800 && dev->cal.agc_gain_adjust < limit) dev->cal.agc_gain_adjust += 2; - else if (false_cca < 10 && dev->cal.agc_gain_adjust > 0) + else if ((false_cca < 10 && dev->cal.agc_gain_adjust > 0) || + (dev->cal.agc_gain_adjust >= limit && false_cca < 500)) dev->cal.agc_gain_adjust -= 2; else return; @@ -501,57 +203,65 @@ mt76x2_phy_adjust_vga_gain(struct mt76x2_dev *dev) static void mt76x2_phy_update_channel_gain(struct mt76x2_dev *dev) { - u32 val = mt76_rr(dev, MT_BBP(AGC, 20)); - int rssi0 = (s8) FIELD_GET(MT_BBP_AGC20_RSSI0, val); - int rssi1 = (s8) FIELD_GET(MT_BBP_AGC20_RSSI1, val); u8 *gain = dev->cal.agc_gain_init; - u8 gain_delta; + u8 low_gain_delta, gain_delta; + bool gain_change; int low_gain; + u32 val; - dev->cal.avg_rssi[0] = (dev->cal.avg_rssi[0] * 15) / 16 + - (rssi0 << 8) / 16; - dev->cal.avg_rssi[1] = (dev->cal.avg_rssi[1] * 15) / 16 + - (rssi1 << 8) / 16; - dev->cal.avg_rssi_all = (dev->cal.avg_rssi[0] + - dev->cal.avg_rssi[1]) / 512; + dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev); low_gain = (dev->cal.avg_rssi_all > mt76x2_get_rssi_gain_thresh(dev)) + (dev->cal.avg_rssi_all > mt76x2_get_low_rssi_gain_thresh(dev)); - if (dev->cal.low_gain == low_gain) { + gain_change = (dev->cal.low_gain & 2) ^ (low_gain & 2); + dev->cal.low_gain = low_gain; + + if (!gain_change) { mt76x2_phy_adjust_vga_gain(dev); return; } - dev->cal.low_gain = low_gain; - - if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) + if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) { mt76_wr(dev, MT_BBP(RXO, 14), 0x00560211); - else + val = mt76_rr(dev, MT_BBP(AGC, 26)) & ~0xf; + if (low_gain == 2) + val |= 0x3; + else + val |= 0x5; + mt76_wr(dev, MT_BBP(AGC, 26), val); + } else { mt76_wr(dev, MT_BBP(RXO, 14), 0x00560423); + } - if (low_gain) { - mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a991); + if (mt76x2_has_ext_lna(dev)) + low_gain_delta = 10; + else + low_gain_delta = 14; + + if (low_gain == 2) { + mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a990); mt76_wr(dev, MT_BBP(AGC, 35), 0x08080808); mt76_wr(dev, MT_BBP(AGC, 37), 0x08080808); - if (mt76x2_has_ext_lna(dev)) - gain_delta = 10; - else - gain_delta = 14; + gain_delta = low_gain_delta; + dev->cal.agc_gain_adjust = 0; } else { - mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a990); + mt76_wr(dev, MT_BBP(RXO, 18), 0xf000a991); if (dev->mt76.chandef.width == NL80211_CHAN_WIDTH_80) mt76_wr(dev, MT_BBP(AGC, 35), 0x10101014); else mt76_wr(dev, MT_BBP(AGC, 35), 0x11111116); mt76_wr(dev, MT_BBP(AGC, 37), 0x2121262C); gain_delta = 0; + dev->cal.agc_gain_adjust = low_gain_delta; } dev->cal.agc_gain_cur[0] = gain[0] - gain_delta; dev->cal.agc_gain_cur[1] = gain[1] - gain_delta; - dev->cal.agc_gain_adjust = 0; mt76x2_phy_set_gain_val(dev); + + /* clear false CCA counters */ + mt76_rr(dev, MT_RX_STAT_1); } int mt76x2_phy_set_channel(struct mt76x2_dev *dev, diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c new file mode 100644 index 000000000000..9fd6ab4cbb94 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_phy_common.c @@ -0,0 +1,349 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2.h" +#include "mt76x2_eeprom.h" + +static void +mt76x2_adjust_high_lna_gain(struct mt76x2_dev *dev, int reg, s8 offset) +{ + s8 gain; + + gain = FIELD_GET(MT_BBP_AGC_LNA_HIGH_GAIN, mt76_rr(dev, MT_BBP(AGC, reg))); + gain -= offset / 2; + mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_LNA_HIGH_GAIN, gain); +} + +static void +mt76x2_adjust_agc_gain(struct mt76x2_dev *dev, int reg, s8 offset) +{ + s8 gain; + + gain = FIELD_GET(MT_BBP_AGC_GAIN, mt76_rr(dev, MT_BBP(AGC, reg))); + gain += offset; + mt76_rmw_field(dev, MT_BBP(AGC, reg), MT_BBP_AGC_GAIN, gain); +} + +void mt76x2_apply_gain_adj(struct mt76x2_dev *dev) +{ + s8 *gain_adj = dev->cal.rx.high_gain; + + mt76x2_adjust_high_lna_gain(dev, 4, gain_adj[0]); + mt76x2_adjust_high_lna_gain(dev, 5, gain_adj[1]); + + mt76x2_adjust_agc_gain(dev, 8, gain_adj[0]); + mt76x2_adjust_agc_gain(dev, 9, gain_adj[1]); +} +EXPORT_SYMBOL_GPL(mt76x2_apply_gain_adj); + +void mt76x2_phy_set_txpower_regs(struct mt76x2_dev *dev, + enum nl80211_band band) +{ + u32 pa_mode[2]; + u32 pa_mode_adj; + + if (band == NL80211_BAND_2GHZ) { + pa_mode[0] = 0x010055ff; + pa_mode[1] = 0x00550055; + + mt76_wr(dev, MT_TX_ALC_CFG_2, 0x35160a00); + mt76_wr(dev, MT_TX_ALC_CFG_3, 0x35160a06); + + if (mt76x2_ext_pa_enabled(dev, band)) { + mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0x0000ec00); + mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0x0000ec00); + } else { + mt76_wr(dev, MT_RF_PA_MODE_ADJ0, 0xf4000200); + mt76_wr(dev, MT_RF_PA_MODE_ADJ1, 0xfa000200); + } + } else { + pa_mode[0] = 0x0000ffff; + pa_mode[1] = 0x00ff00ff; + + if (mt76x2_ext_pa_enabled(dev, band)) { + mt76_wr(dev, MT_TX_ALC_CFG_2, 0x2f0f0400); + mt76_wr(dev, MT_TX_ALC_CFG_3, 0x2f0f0476); + } else { + mt76_wr(dev, MT_TX_ALC_CFG_2, 0x1b0f0400); + mt76_wr(dev, MT_TX_ALC_CFG_3, 0x1b0f0476); + } + + if (mt76x2_ext_pa_enabled(dev, band)) + pa_mode_adj = 0x04000000; + else + pa_mode_adj = 0; + + mt76_wr(dev, MT_RF_PA_MODE_ADJ0, pa_mode_adj); + mt76_wr(dev, MT_RF_PA_MODE_ADJ1, pa_mode_adj); + } + + mt76_wr(dev, MT_BB_PA_MODE_CFG0, pa_mode[0]); + mt76_wr(dev, MT_BB_PA_MODE_CFG1, pa_mode[1]); + mt76_wr(dev, MT_RF_PA_MODE_CFG0, pa_mode[0]); + mt76_wr(dev, MT_RF_PA_MODE_CFG1, pa_mode[1]); + + if (mt76x2_ext_pa_enabled(dev, band)) { + u32 val; + + if (band == NL80211_BAND_2GHZ) + val = 0x3c3c023c; + else + val = 0x363c023c; + + mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val); + mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val); + mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00001818); + } else { + if (band == NL80211_BAND_2GHZ) { + u32 val = 0x0f3c3c3c; + + mt76_wr(dev, MT_TX0_RF_GAIN_CORR, val); + mt76_wr(dev, MT_TX1_RF_GAIN_CORR, val); + mt76_wr(dev, MT_TX_ALC_CFG_4, 0x00000606); + } else { + mt76_wr(dev, MT_TX0_RF_GAIN_CORR, 0x383c023c); + mt76_wr(dev, MT_TX1_RF_GAIN_CORR, 0x24282e28); + mt76_wr(dev, MT_TX_ALC_CFG_4, 0); + } + } +} +EXPORT_SYMBOL_GPL(mt76x2_phy_set_txpower_regs); + +static void +mt76x2_limit_rate_power(struct mt76_rate_power *r, int limit) +{ + int i; + + for (i = 0; i < sizeof(r->all); i++) + if (r->all[i] > limit) + r->all[i] = limit; +} + +static u32 +mt76x2_tx_power_mask(u8 v1, u8 v2, u8 v3, u8 v4) +{ + u32 val = 0; + + val |= (v1 & (BIT(6) - 1)) << 0; + val |= (v2 & (BIT(6) - 1)) << 8; + val |= (v3 & (BIT(6) - 1)) << 16; + val |= (v4 & (BIT(6) - 1)) << 24; + return val; +} + +static void +mt76x2_add_rate_power_offset(struct mt76_rate_power *r, int offset) +{ + int i; + + for (i = 0; i < sizeof(r->all); i++) + r->all[i] += offset; +} + +static int +mt76x2_get_min_rate_power(struct mt76_rate_power *r) +{ + int i; + s8 ret = 0; + + for (i = 0; i < sizeof(r->all); i++) { + if (!r->all[i]) + continue; + + if (ret) + ret = min(ret, r->all[i]); + else + ret = r->all[i]; + } + + return ret; +} + +void mt76x2_phy_set_txpower(struct mt76x2_dev *dev) +{ + enum nl80211_chan_width width = dev->mt76.chandef.width; + struct ieee80211_channel *chan = dev->mt76.chandef.chan; + struct mt76x2_tx_power_info txp; + int txp_0, txp_1, delta = 0; + struct mt76_rate_power t = {}; + int base_power, gain; + + mt76x2_get_power_info(dev, &txp, chan); + + if (width == NL80211_CHAN_WIDTH_40) + delta = txp.delta_bw40; + else if (width == NL80211_CHAN_WIDTH_80) + delta = txp.delta_bw80; + + mt76x2_get_rate_power(dev, &t, chan); + mt76x2_add_rate_power_offset(&t, txp.chain[0].target_power); + mt76x2_limit_rate_power(&t, dev->txpower_conf); + dev->txpower_cur = mt76x2_get_max_rate_power(&t); + + base_power = mt76x2_get_min_rate_power(&t); + delta += base_power - txp.chain[0].target_power; + txp_0 = txp.chain[0].target_power + txp.chain[0].delta + delta; + txp_1 = txp.chain[1].target_power + txp.chain[1].delta + delta; + + gain = min(txp_0, txp_1); + if (gain < 0) { + base_power -= gain; + txp_0 -= gain; + txp_1 -= gain; + } else if (gain > 0x2f) { + base_power -= gain - 0x2f; + txp_0 = 0x2f; + txp_1 = 0x2f; + } + + mt76x2_add_rate_power_offset(&t, -base_power); + dev->target_power = txp.chain[0].target_power; + dev->target_power_delta[0] = txp_0 - txp.chain[0].target_power; + dev->target_power_delta[1] = txp_1 - txp.chain[0].target_power; + dev->rate_power = t; + + mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_0, txp_0); + mt76_rmw_field(dev, MT_TX_ALC_CFG_0, MT_TX_ALC_CFG_0_CH_INIT_1, txp_1); + + mt76_wr(dev, MT_TX_PWR_CFG_0, + mt76x2_tx_power_mask(t.cck[0], t.cck[2], t.ofdm[0], t.ofdm[2])); + mt76_wr(dev, MT_TX_PWR_CFG_1, + mt76x2_tx_power_mask(t.ofdm[4], t.ofdm[6], t.ht[0], t.ht[2])); + mt76_wr(dev, MT_TX_PWR_CFG_2, + mt76x2_tx_power_mask(t.ht[4], t.ht[6], t.ht[8], t.ht[10])); + mt76_wr(dev, MT_TX_PWR_CFG_3, + mt76x2_tx_power_mask(t.ht[12], t.ht[14], t.ht[0], t.ht[2])); + mt76_wr(dev, MT_TX_PWR_CFG_4, + mt76x2_tx_power_mask(t.ht[4], t.ht[6], 0, 0)); + mt76_wr(dev, MT_TX_PWR_CFG_7, + mt76x2_tx_power_mask(t.ofdm[6], t.vht[8], t.ht[6], t.vht[8])); + mt76_wr(dev, MT_TX_PWR_CFG_8, + mt76x2_tx_power_mask(t.ht[14], t.vht[8], t.vht[8], 0)); + mt76_wr(dev, MT_TX_PWR_CFG_9, + mt76x2_tx_power_mask(t.ht[6], t.vht[8], t.vht[8], 0)); +} +EXPORT_SYMBOL_GPL(mt76x2_phy_set_txpower); + +void mt76x2_configure_tx_delay(struct mt76x2_dev *dev, + enum nl80211_band band, u8 bw) +{ + u32 cfg0, cfg1; + + if (mt76x2_ext_pa_enabled(dev, band)) { + cfg0 = bw ? 0x000b0c01 : 0x00101101; + cfg1 = 0x00011414; + } else { + cfg0 = bw ? 0x000b0b01 : 0x00101001; + cfg1 = 0x00021414; + } + mt76_wr(dev, MT_TX_SW_CFG0, cfg0); + mt76_wr(dev, MT_TX_SW_CFG1, cfg1); + + mt76_rmw_field(dev, MT_XIFS_TIME_CFG, MT_XIFS_TIME_CFG_OFDM_SIFS, 15); +} +EXPORT_SYMBOL_GPL(mt76x2_configure_tx_delay); + +void mt76x2_phy_set_bw(struct mt76x2_dev *dev, int width, u8 ctrl) +{ + int core_val, agc_val; + + switch (width) { + case NL80211_CHAN_WIDTH_80: + core_val = 3; + agc_val = 7; + break; + case NL80211_CHAN_WIDTH_40: + core_val = 2; + agc_val = 3; + break; + default: + core_val = 0; + agc_val = 1; + break; + } + + mt76_rmw_field(dev, MT_BBP(CORE, 1), MT_BBP_CORE_R1_BW, core_val); + mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_BW, agc_val); + mt76_rmw_field(dev, MT_BBP(AGC, 0), MT_BBP_AGC_R0_CTRL_CHAN, ctrl); + mt76_rmw_field(dev, MT_BBP(TXBE, 0), MT_BBP_TXBE_R0_CTRL_CHAN, ctrl); +} +EXPORT_SYMBOL_GPL(mt76x2_phy_set_bw); + +void mt76x2_phy_set_band(struct mt76x2_dev *dev, int band, bool primary_upper) +{ + switch (band) { + case NL80211_BAND_2GHZ: + mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); + mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); + break; + case NL80211_BAND_5GHZ: + mt76_clear(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_2G); + mt76_set(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_5G); + break; + } + + mt76_rmw_field(dev, MT_TX_BAND_CFG, MT_TX_BAND_CFG_UPPER_40M, + primary_upper); +} +EXPORT_SYMBOL_GPL(mt76x2_phy_set_band); + +int mt76x2_phy_get_min_avg_rssi(struct mt76x2_dev *dev) +{ + struct mt76x2_sta *sta; + struct mt76_wcid *wcid; + int i, j, min_rssi = 0; + s8 cur_rssi; + + local_bh_disable(); + rcu_read_lock(); + + for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) { + unsigned long mask = dev->wcid_mask[i]; + + if (!mask) + continue; + + for (j = i * BITS_PER_LONG; mask; j++, mask >>= 1) { + if (!(mask & 1)) + continue; + + wcid = rcu_dereference(dev->wcid[j]); + if (!wcid) + continue; + + sta = container_of(wcid, struct mt76x2_sta, wcid); + spin_lock(&dev->mt76.rx_lock); + if (sta->inactive_count++ < 5) + cur_rssi = ewma_signal_read(&sta->rssi); + else + cur_rssi = 0; + spin_unlock(&dev->mt76.rx_lock); + + if (cur_rssi < min_rssi) + min_rssi = cur_rssi; + } + } + + rcu_read_unlock(); + local_bh_enable(); + + if (!min_rssi) + return -75; + + return min_rssi; +} +EXPORT_SYMBOL_GPL(mt76x2_phy_get_min_avg_rssi); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h b/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h index b9c334d9e5b8..1551ea453180 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_regs.h @@ -75,6 +75,21 @@ #define MT_XO_CTRL7 0x011c +#define MT_USB_U3DMA_CFG 0x9018 +#define MT_USB_DMA_CFG_RX_BULK_AGG_TOUT GENMASK(7, 0) +#define MT_USB_DMA_CFG_RX_BULK_AGG_LMT GENMASK(15, 8) +#define MT_USB_DMA_CFG_UDMA_TX_WL_DROP BIT(16) +#define MT_USB_DMA_CFG_WAKE_UP_EN BIT(17) +#define MT_USB_DMA_CFG_RX_DROP_OR_PAD BIT(18) +#define MT_USB_DMA_CFG_TX_CLR BIT(19) +#define MT_USB_DMA_CFG_TXOP_HALT BIT(20) +#define MT_USB_DMA_CFG_RX_BULK_AGG_EN BIT(21) +#define MT_USB_DMA_CFG_RX_BULK_EN BIT(22) +#define MT_USB_DMA_CFG_TX_BULK_EN BIT(23) +#define MT_USB_DMA_CFG_EP_OUT_VALID GENMASK(29, 24) +#define MT_USB_DMA_CFG_RX_BUSY BIT(30) +#define MT_USB_DMA_CFG_TX_BUSY BIT(31) + #define MT_WLAN_MTC_CTRL 0x10148 #define MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP BIT(0) #define MT_WLAN_MTC_CTRL_PWR_ACK BIT(12) @@ -150,6 +165,9 @@ #define MT_TX_HW_QUEUE_MCU 8 #define MT_TX_HW_QUEUE_MGMT 9 +#define MT_US_CYC_CFG 0x02a4 +#define MT_US_CYC_CNT GENMASK(7, 0) + #define MT_PBF_SYS_CTRL 0x0400 #define MT_PBF_SYS_CTRL_MCU_RESET BIT(0) #define MT_PBF_SYS_CTRL_DMA_RESET BIT(1) @@ -202,6 +220,11 @@ #define MT_FCE_WLAN_FLOW_CONTROL1 0x0824 +#define MT_TX_CPU_FROM_FCE_BASE_PTR 0x09a0 +#define MT_TX_CPU_FROM_FCE_MAX_COUNT 0x09a4 +#define MT_FCE_PDMA_GLOBAL_CONF 0x09c4 +#define MT_FCE_SKIP_FS 0x0a6c + #define MT_PAUSE_ENABLE_CONTROL1 0x0a38 #define MT_MAC_CSR0 0x1000 @@ -214,6 +237,7 @@ #define MT_MAC_ADDR_DW0 0x1008 #define MT_MAC_ADDR_DW1 0x100c +#define MT_MAC_ADDR_DW1_U2ME_MASK GENMASK(23, 16) #define MT_MAC_BSSID_DW0 0x1010 #define MT_MAC_BSSID_DW1 0x1014 @@ -351,6 +375,7 @@ #define MT_TX_TIMEOUT_CFG_ACKTO GENMASK(15, 8) #define MT_TX_RETRY_CFG 0x134c +#define MT_TX_LINK_CFG 0x1350 #define MT_VHT_HT_FBK_CFG1 0x1358 #define MT_PROT_CFG_RATE GENMASK(15, 0) @@ -425,6 +450,7 @@ #define MT_RX_FILTR_CFG_BAR BIT(15) #define MT_RX_FILTR_CFG_CTRL_RSV BIT(16) +#define MT_AUTO_RSP_CFG 0x1404 #define MT_LEGACY_BASIC_RATE 0x1408 #define MT_HT_BASIC_RATE 0x140c @@ -460,6 +486,10 @@ #define MT_RX_STAT_2_DUP_ERRORS GENMASK(15, 0) #define MT_RX_STAT_2_OVERFLOW_ERRORS GENMASK(31, 16) +#define MT_TX_STA_0 0x170c +#define MT_TX_STA_1 0x1710 +#define MT_TX_STA_2 0x1714 + #define MT_TX_STAT_FIFO 0x1718 #define MT_TX_STAT_FIFO_VALID BIT(0) #define MT_TX_STAT_FIFO_SUCCESS BIT(5) diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c index e46eafc4c436..4c907882e8b0 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx.c @@ -23,129 +23,6 @@ struct beacon_bc_data { struct sk_buff *tail[8]; }; -void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, - struct sk_buff *skb) -{ - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct mt76x2_dev *dev = hw->priv; - struct ieee80211_vif *vif = info->control.vif; - struct mt76_wcid *wcid = &dev->global_wcid; - - if (control->sta) { - struct mt76x2_sta *msta; - - msta = (struct mt76x2_sta *) control->sta->drv_priv; - wcid = &msta->wcid; - /* sw encrypted frames */ - if (!info->control.hw_key && wcid->hw_key_idx != -1) - control->sta = NULL; - } - - if (vif && !control->sta) { - struct mt76x2_vif *mvif; - - mvif = (struct mt76x2_vif *) vif->drv_priv; - wcid = &mvif->group_wcid; - } - - mt76_tx(&dev->mt76, control->sta, wcid, skb); -} - -void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb) -{ - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - - if (info->flags & IEEE80211_TX_CTL_AMPDU) { - ieee80211_free_txskb(mt76_hw(dev), skb); - } else { - ieee80211_tx_info_clear_status(info); - info->status.rates[0].idx = -1; - info->flags |= IEEE80211_TX_STAT_ACK; - ieee80211_tx_status(mt76_hw(dev), skb); - } -} - -s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev, - const struct ieee80211_tx_rate *rate) -{ - s8 max_txpwr; - - if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { - u8 mcs = ieee80211_rate_get_vht_mcs(rate); - - if (mcs == 8 || mcs == 9) { - max_txpwr = dev->rate_power.vht[8]; - } else { - u8 nss, idx; - - nss = ieee80211_rate_get_vht_nss(rate); - idx = ((nss - 1) << 3) + mcs; - max_txpwr = dev->rate_power.ht[idx & 0xf]; - } - } else if (rate->flags & IEEE80211_TX_RC_MCS) { - max_txpwr = dev->rate_power.ht[rate->idx & 0xf]; - } else { - enum nl80211_band band = dev->mt76.chandef.chan->band; - - if (band == NL80211_BAND_2GHZ) { - const struct ieee80211_rate *r; - struct wiphy *wiphy = mt76_hw(dev)->wiphy; - struct mt76_rate_power *rp = &dev->rate_power; - - r = &wiphy->bands[band]->bitrates[rate->idx]; - if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE) - max_txpwr = rp->cck[r->hw_value & 0x3]; - else - max_txpwr = rp->ofdm[r->hw_value & 0x7]; - } else { - max_txpwr = dev->rate_power.ofdm[rate->idx & 0x7]; - } - } - - return max_txpwr; -} - -s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj) -{ - txpwr = min_t(s8, txpwr, dev->txpower_conf); - txpwr -= (dev->target_power + dev->target_power_delta[0]); - txpwr = min_t(s8, txpwr, max_txpwr_adj); - - if (!dev->enable_tpc) - return 0; - else if (txpwr >= 0) - return min_t(s8, txpwr, 7); - else - return (txpwr < -16) ? 8 : (txpwr + 32) / 2; -} - -void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr) -{ - s8 txpwr_adj; - - txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr, - dev->rate_power.ofdm[4]); - mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG, - MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj); - mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG, - MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj); -} - -static int mt76x2_insert_hdr_pad(struct sk_buff *skb) -{ - int len = ieee80211_get_hdrlen_from_skb(skb); - - if (len % 4 == 0) - return 0; - - skb_push(skb, 2); - memmove(skb->data, skb->data + 2, len); - - skb->data[len] = 0; - skb->data[len + 1] = 0; - return 2; -} - int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, struct sk_buff *skb, struct mt76_queue *q, struct mt76_wcid *wcid, struct ieee80211_sta *sta, @@ -159,7 +36,7 @@ int mt76x2_tx_prepare_skb(struct mt76_dev *mdev, void *txwi, if (q == &dev->mt76.q_tx[MT_TXQ_PSD] && wcid && wcid->idx < 128) mt76x2_mac_wcid_set_drop(dev, wcid->idx, false); - mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta); + mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta, skb->len); ret = mt76x2_insert_hdr_pad(skb); if (ret < 0) @@ -218,6 +95,37 @@ mt76x2_add_buffered_bc(void *priv, u8 *mac, struct ieee80211_vif *vif) data->tail[mvif->idx] = skb; } +static void +mt76x2_resync_beacon_timer(struct mt76x2_dev *dev) +{ + u32 timer_val = dev->beacon_int << 4; + + dev->tbtt_count++; + + /* + * Beacon timer drifts by 1us every tick, the timer is configured + * in 1/16 TU (64us) units. + */ + if (dev->tbtt_count < 62) + return; + + if (dev->tbtt_count >= 64) { + dev->tbtt_count = 0; + return; + } + + /* + * The updated beacon interval takes effect after two TBTT, because + * at this point the original interval has already been loaded into + * the next TBTT_TIMER value + */ + if (dev->tbtt_count == 62) + timer_val -= 1; + + mt76_rmw_field(dev, MT_BEACON_TIME_CFG, + MT_BEACON_TIME_CFG_INTVAL, timer_val); +} + void mt76x2_pre_tbtt_tasklet(unsigned long arg) { struct mt76x2_dev *dev = (struct mt76x2_dev *) arg; @@ -226,6 +134,8 @@ void mt76x2_pre_tbtt_tasklet(unsigned long arg) struct sk_buff *skb; int i, nframes; + mt76x2_resync_beacon_timer(dev); + data.dev = dev; __skb_queue_head_init(&data.q); @@ -256,7 +166,8 @@ void mt76x2_pre_tbtt_tasklet(unsigned long arg) struct ieee80211_vif *vif = info->control.vif; struct mt76x2_vif *mvif = (struct mt76x2_vif *) vif->drv_priv; - mt76_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid, NULL); + mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid, + NULL); } spin_unlock_bh(&q->lock); } diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c b/drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c new file mode 100644 index 000000000000..36afb166fa3f --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c @@ -0,0 +1,149 @@ +/* + * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2.h" +#include "mt76x2_dma.h" + +void mt76x2_tx(struct ieee80211_hw *hw, struct ieee80211_tx_control *control, + struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + struct mt76x2_dev *dev = hw->priv; + struct ieee80211_vif *vif = info->control.vif; + struct mt76_wcid *wcid = &dev->global_wcid; + + if (control->sta) { + struct mt76x2_sta *msta; + + msta = (struct mt76x2_sta *)control->sta->drv_priv; + wcid = &msta->wcid; + /* sw encrypted frames */ + if (!info->control.hw_key && wcid->hw_key_idx != -1) + control->sta = NULL; + } + + if (vif && !control->sta) { + struct mt76x2_vif *mvif; + + mvif = (struct mt76x2_vif *)vif->drv_priv; + wcid = &mvif->group_wcid; + } + + mt76_tx(&dev->mt76, control->sta, wcid, skb); +} +EXPORT_SYMBOL_GPL(mt76x2_tx); + +int mt76x2_insert_hdr_pad(struct sk_buff *skb) +{ + int len = ieee80211_get_hdrlen_from_skb(skb); + + if (len % 4 == 0) + return 0; + + skb_push(skb, 2); + memmove(skb->data, skb->data + 2, len); + + skb->data[len] = 0; + skb->data[len + 1] = 0; + return 2; +} +EXPORT_SYMBOL_GPL(mt76x2_insert_hdr_pad); + +s8 mt76x2_tx_get_max_txpwr_adj(struct mt76x2_dev *dev, + const struct ieee80211_tx_rate *rate) +{ + s8 max_txpwr; + + if (rate->flags & IEEE80211_TX_RC_VHT_MCS) { + u8 mcs = ieee80211_rate_get_vht_mcs(rate); + + if (mcs == 8 || mcs == 9) { + max_txpwr = dev->rate_power.vht[8]; + } else { + u8 nss, idx; + + nss = ieee80211_rate_get_vht_nss(rate); + idx = ((nss - 1) << 3) + mcs; + max_txpwr = dev->rate_power.ht[idx & 0xf]; + } + } else if (rate->flags & IEEE80211_TX_RC_MCS) { + max_txpwr = dev->rate_power.ht[rate->idx & 0xf]; + } else { + enum nl80211_band band = dev->mt76.chandef.chan->band; + + if (band == NL80211_BAND_2GHZ) { + const struct ieee80211_rate *r; + struct wiphy *wiphy = mt76_hw(dev)->wiphy; + struct mt76_rate_power *rp = &dev->rate_power; + + r = &wiphy->bands[band]->bitrates[rate->idx]; + if (r->flags & IEEE80211_RATE_SHORT_PREAMBLE) + max_txpwr = rp->cck[r->hw_value & 0x3]; + else + max_txpwr = rp->ofdm[r->hw_value & 0x7]; + } else { + max_txpwr = dev->rate_power.ofdm[rate->idx & 0x7]; + } + } + + return max_txpwr; +} +EXPORT_SYMBOL_GPL(mt76x2_tx_get_max_txpwr_adj); + +s8 mt76x2_tx_get_txpwr_adj(struct mt76x2_dev *dev, s8 txpwr, s8 max_txpwr_adj) +{ + txpwr = min_t(s8, txpwr, dev->txpower_conf); + txpwr -= (dev->target_power + dev->target_power_delta[0]); + txpwr = min_t(s8, txpwr, max_txpwr_adj); + + if (!dev->enable_tpc) + return 0; + else if (txpwr >= 0) + return min_t(s8, txpwr, 7); + else + return (txpwr < -16) ? 8 : (txpwr + 32) / 2; +} +EXPORT_SYMBOL_GPL(mt76x2_tx_get_txpwr_adj); + +void mt76x2_tx_set_txpwr_auto(struct mt76x2_dev *dev, s8 txpwr) +{ + s8 txpwr_adj; + + txpwr_adj = mt76x2_tx_get_txpwr_adj(dev, txpwr, + dev->rate_power.ofdm[4]); + mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG, + MT_PROT_AUTO_TX_CFG_PROT_PADJ, txpwr_adj); + mt76_rmw_field(dev, MT_PROT_AUTO_TX_CFG, + MT_PROT_AUTO_TX_CFG_AUTO_PADJ, txpwr_adj); +} +EXPORT_SYMBOL_GPL(mt76x2_tx_set_txpwr_auto); + +void mt76x2_tx_complete(struct mt76x2_dev *dev, struct sk_buff *skb) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + + if (info->flags & IEEE80211_TX_CTL_AMPDU) { + ieee80211_free_txskb(mt76_hw(dev), skb); + } else { + ieee80211_tx_info_clear_status(info); + info->status.rates[0].idx = -1; + info->flags |= IEEE80211_TX_STAT_ACK; + ieee80211_tx_status(mt76_hw(dev), skb); + } +} +EXPORT_SYMBOL_GPL(mt76x2_tx_complete); + diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c new file mode 100644 index 000000000000..1428cfdee579 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2_usb.c @@ -0,0 +1,142 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/kernel.h> +#include <linux/module.h> + +#include "mt76x2u.h" + +static const struct usb_device_id mt76x2u_device_table[] = { + { USB_DEVICE(0x0b05, 0x1833) }, /* Asus USB-AC54 */ + { USB_DEVICE(0x0b05, 0x17eb) }, /* Asus USB-AC55 */ + { USB_DEVICE(0x0b05, 0x180b) }, /* Asus USB-N53 B1 */ + { USB_DEVICE(0x0e8d, 0x7612) }, /* Aukey USB-AC1200 */ + { USB_DEVICE(0x057c, 0x8503) }, /* Avm FRITZ!WLAN AC860 */ + { USB_DEVICE(0x7392, 0xb711) }, /* Edimax EW 7722 UAC */ + { USB_DEVICE(0x0846, 0x9053) }, /* Netgear A6210 */ + { USB_DEVICE(0x045e, 0x02e6) }, /* XBox One Wireless Adapter */ + { }, +}; + +static int mt76x2u_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct mt76x2_dev *dev; + int err; + + dev = mt76x2u_alloc_device(&intf->dev); + if (!dev) + return -ENOMEM; + + udev = usb_get_dev(udev); + usb_reset_device(udev); + + err = mt76u_init(&dev->mt76, intf); + if (err < 0) + goto err; + + dev->mt76.rev = mt76_rr(dev, MT_ASIC_VERSION); + dev_info(dev->mt76.dev, "ASIC revision: %08x\n", dev->mt76.rev); + + err = mt76x2u_register_device(dev); + if (err < 0) + goto err; + + return 0; + +err: + ieee80211_free_hw(mt76_hw(dev)); + usb_set_intfdata(intf, NULL); + usb_put_dev(udev); + + return err; +} + +static void mt76x2u_disconnect(struct usb_interface *intf) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct mt76x2_dev *dev = usb_get_intfdata(intf); + struct ieee80211_hw *hw = mt76_hw(dev); + + set_bit(MT76_REMOVED, &dev->mt76.state); + ieee80211_unregister_hw(hw); + mt76x2u_cleanup(dev); + + ieee80211_free_hw(hw); + usb_set_intfdata(intf, NULL); + usb_put_dev(udev); +} + +static int __maybe_unused mt76x2u_suspend(struct usb_interface *intf, + pm_message_t state) +{ + struct mt76x2_dev *dev = usb_get_intfdata(intf); + struct mt76_usb *usb = &dev->mt76.usb; + + mt76u_stop_queues(&dev->mt76); + mt76x2u_stop_hw(dev); + usb_kill_urb(usb->mcu.res.urb); + + return 0; +} + +static int __maybe_unused mt76x2u_resume(struct usb_interface *intf) +{ + struct mt76x2_dev *dev = usb_get_intfdata(intf); + struct mt76_usb *usb = &dev->mt76.usb; + int err; + + reinit_completion(&usb->mcu.cmpl); + err = mt76u_submit_buf(&dev->mt76, USB_DIR_IN, + MT_EP_IN_CMD_RESP, + &usb->mcu.res, GFP_KERNEL, + mt76u_mcu_complete_urb, + &usb->mcu.cmpl); + if (err < 0) + return err; + + err = mt76u_submit_rx_buffers(&dev->mt76); + if (err < 0) + return err; + + tasklet_enable(&usb->rx_tasklet); + tasklet_enable(&usb->tx_tasklet); + + return mt76x2u_init_hardware(dev); +} + +MODULE_DEVICE_TABLE(usb, mt76x2u_device_table); +MODULE_FIRMWARE(MT7662U_FIRMWARE); +MODULE_FIRMWARE(MT7662U_ROM_PATCH); + +static struct usb_driver mt76x2u_driver = { + .name = KBUILD_MODNAME, + .id_table = mt76x2u_device_table, + .probe = mt76x2u_probe, + .disconnect = mt76x2u_disconnect, +#ifdef CONFIG_PM + .suspend = mt76x2u_suspend, + .resume = mt76x2u_resume, + .reset_resume = mt76x2u_resume, +#endif /* CONFIG_PM */ + .soft_unbind = 1, + .disable_hub_initiated_lpm = 1, +}; +module_usb_driver(mt76x2u_driver); + +MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u.h b/drivers/net/wireless/mediatek/mt76/mt76x2u.h new file mode 100644 index 000000000000..008092f0cd8a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef __MT76x2U_H +#define __MT76x2U_H + +#include <linux/device.h> + +#include "mt76x2.h" +#include "mt76x2_dma.h" +#include "mt76x2_mcu.h" + +#define MT7612U_EEPROM_SIZE 512 + +#define MT_USB_AGGR_SIZE_LIMIT 21 /* 1024B unit */ +#define MT_USB_AGGR_TIMEOUT 0x80 /* 33ns unit */ + +extern const struct ieee80211_ops mt76x2u_ops; + +struct mt76x2_dev *mt76x2u_alloc_device(struct device *pdev); +int mt76x2u_register_device(struct mt76x2_dev *dev); +int mt76x2u_init_hardware(struct mt76x2_dev *dev); +void mt76x2u_cleanup(struct mt76x2_dev *dev); +void mt76x2u_stop_hw(struct mt76x2_dev *dev); + +void mt76x2u_mac_setaddr(struct mt76x2_dev *dev, u8 *addr); +int mt76x2u_mac_reset(struct mt76x2_dev *dev); +void mt76x2u_mac_resume(struct mt76x2_dev *dev); +int mt76x2u_mac_start(struct mt76x2_dev *dev); +int mt76x2u_mac_stop(struct mt76x2_dev *dev); + +int mt76x2u_phy_set_channel(struct mt76x2_dev *dev, + struct cfg80211_chan_def *chandef); +void mt76x2u_phy_calibrate(struct work_struct *work); +void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev); +void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev); +void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev); + +void mt76x2u_mcu_complete_urb(struct urb *urb); +int mt76x2u_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw, + u8 bw_index, bool scan); +int mt76x2u_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type, + u32 val); +int mt76x2u_mcu_tssi_comp(struct mt76x2_dev *dev, + struct mt76x2_tssi_comp *tssi_data); +int mt76x2u_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain, + bool force); +int mt76x2u_mcu_set_dynamic_vga(struct mt76x2_dev *dev, u8 channel, bool ap, + bool ext, int rssi, u32 false_cca); +int mt76x2u_mcu_set_radio_state(struct mt76x2_dev *dev, bool val); +int mt76x2u_mcu_load_cr(struct mt76x2_dev *dev, u8 type, + u8 temp_level, u8 channel); +int mt76x2u_mcu_init(struct mt76x2_dev *dev); +int mt76x2u_mcu_fw_init(struct mt76x2_dev *dev); +void mt76x2u_mcu_deinit(struct mt76x2_dev *dev); + +int mt76x2u_alloc_queues(struct mt76x2_dev *dev); +void mt76x2u_queues_deinit(struct mt76x2_dev *dev); +void mt76x2u_stop_queues(struct mt76x2_dev *dev); +bool mt76x2u_tx_status_data(struct mt76_dev *mdev, u8 *update); +int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data, + struct sk_buff *skb, struct mt76_queue *q, + struct mt76_wcid *wcid, struct ieee80211_sta *sta, + u32 *tx_info); +void mt76x2u_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, + struct mt76_queue_entry *e, bool flush); +int mt76x2u_skb_dma_info(struct sk_buff *skb, enum dma_msg_port port, + u32 flags); + +#endif /* __MT76x2U_H */ diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_core.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_core.c new file mode 100644 index 000000000000..1ca5dd05b265 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_core.c @@ -0,0 +1,108 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2u.h" +#include "dma.h" + +static void mt76x2u_remove_dma_hdr(struct sk_buff *skb) +{ + int hdr_len; + + skb_pull(skb, sizeof(struct mt76x2_txwi) + MT_DMA_HDR_LEN); + hdr_len = ieee80211_get_hdrlen_from_skb(skb); + if (hdr_len % 4) { + memmove(skb->data + 2, skb->data, hdr_len); + skb_pull(skb, 2); + } +} + +static int +mt76x2u_check_skb_rooms(struct sk_buff *skb) +{ + int hdr_len = ieee80211_get_hdrlen_from_skb(skb); + u32 need_head; + + need_head = sizeof(struct mt76x2_txwi) + MT_DMA_HDR_LEN; + if (hdr_len % 4) + need_head += 2; + return skb_cow(skb, need_head); +} + +static int +mt76x2u_set_txinfo(struct sk_buff *skb, + struct mt76_wcid *wcid, u8 ep) +{ + struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); + enum mt76x2_qsel qsel; + u32 flags; + + if ((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) || + ep == MT_EP_OUT_HCCA) + qsel = MT_QSEL_MGMT; + else + qsel = MT_QSEL_EDCA; + + flags = FIELD_PREP(MT_TXD_INFO_QSEL, qsel) | + MT_TXD_INFO_80211; + if (!wcid || wcid->hw_key_idx == 0xff || wcid->sw_iv) + flags |= MT_TXD_INFO_WIV; + + return mt76u_skb_dma_info(skb, WLAN_PORT, flags); +} + +bool mt76x2u_tx_status_data(struct mt76_dev *mdev, u8 *update) +{ + struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76); + struct mt76x2_tx_status stat; + + if (!mt76x2_mac_load_tx_status(dev, &stat)) + return false; + + mt76x2_send_tx_status(dev, &stat, update); + + return true; +} + +int mt76x2u_tx_prepare_skb(struct mt76_dev *mdev, void *data, + struct sk_buff *skb, struct mt76_queue *q, + struct mt76_wcid *wcid, struct ieee80211_sta *sta, + u32 *tx_info) +{ + struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76); + struct mt76x2_txwi *txwi; + int err, len = skb->len; + + err = mt76x2u_check_skb_rooms(skb); + if (err < 0) + return -ENOMEM; + + mt76x2_insert_hdr_pad(skb); + + txwi = skb_push(skb, sizeof(struct mt76x2_txwi)); + mt76x2_mac_write_txwi(dev, txwi, skb, wcid, sta, len); + + return mt76x2u_set_txinfo(skb, wcid, q2ep(q->hw_idx)); +} + +void mt76x2u_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue *q, + struct mt76_queue_entry *e, bool flush) +{ + struct mt76x2_dev *dev = container_of(mdev, struct mt76x2_dev, mt76); + + mt76x2u_remove_dma_hdr(e->skb); + mt76x2_tx_complete(dev, e->skb); +} + diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_init.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_init.c new file mode 100644 index 000000000000..9b81e7641c06 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_init.c @@ -0,0 +1,318 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/delay.h> + +#include "mt76x2u.h" +#include "mt76x2_eeprom.h" + +static void mt76x2u_init_dma(struct mt76x2_dev *dev) +{ + u32 val = mt76_rr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG)); + + val |= MT_USB_DMA_CFG_RX_DROP_OR_PAD | + MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN; + + /* disable AGGR_BULK_RX in order to receive one + * frame in each rx urb and avoid copies + */ + val &= ~MT_USB_DMA_CFG_RX_BULK_AGG_EN; + mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val); +} + +static void mt76x2u_power_on_rf_patch(struct mt76x2_dev *dev) +{ + mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), BIT(0) | BIT(16)); + udelay(1); + + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x1c), 0xff); + mt76_set(dev, MT_VEND_ADDR(CFG, 0x1c), 0x30); + + mt76_wr(dev, MT_VEND_ADDR(CFG, 0x14), 0x484f); + udelay(1); + + mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), BIT(17)); + usleep_range(150, 200); + + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x130), BIT(16)); + usleep_range(50, 100); + + mt76_set(dev, MT_VEND_ADDR(CFG, 0x14c), BIT(19) | BIT(20)); +} + +static void mt76x2u_power_on_rf(struct mt76x2_dev *dev, int unit) +{ + int shift = unit ? 8 : 0; + u32 val = (BIT(1) | BIT(3) | BIT(4) | BIT(5)) << shift; + + /* Enable RF BG */ + mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), BIT(0) << shift); + usleep_range(10, 20); + + /* Enable RFDIG LDO/AFE/ABB/ADDA */ + mt76_set(dev, MT_VEND_ADDR(CFG, 0x130), val); + usleep_range(10, 20); + + /* Switch RFDIG power to internal LDO */ + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x130), BIT(2) << shift); + usleep_range(10, 20); + + mt76x2u_power_on_rf_patch(dev); + + mt76_set(dev, 0x530, 0xf); +} + +static void mt76x2u_power_on(struct mt76x2_dev *dev) +{ + u32 val; + + /* Turn on WL MTCMOS */ + mt76_set(dev, MT_VEND_ADDR(CFG, 0x148), + MT_WLAN_MTC_CTRL_MTCMOS_PWR_UP); + + val = MT_WLAN_MTC_CTRL_STATE_UP | + MT_WLAN_MTC_CTRL_PWR_ACK | + MT_WLAN_MTC_CTRL_PWR_ACK_S; + + mt76_poll(dev, MT_VEND_ADDR(CFG, 0x148), val, val, 1000); + + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x148), 0x7f << 16); + usleep_range(10, 20); + + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x148), 0xf << 24); + usleep_range(10, 20); + + mt76_set(dev, MT_VEND_ADDR(CFG, 0x148), 0xf << 24); + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x148), 0xfff); + + /* Turn on AD/DA power down */ + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x1204), BIT(3)); + + /* WLAN function enable */ + mt76_set(dev, MT_VEND_ADDR(CFG, 0x80), BIT(0)); + + /* Release BBP software reset */ + mt76_clear(dev, MT_VEND_ADDR(CFG, 0x64), BIT(18)); + + mt76x2u_power_on_rf(dev, 0); + mt76x2u_power_on_rf(dev, 1); +} + +static int mt76x2u_init_eeprom(struct mt76x2_dev *dev) +{ + u32 val, i; + + dev->mt76.eeprom.data = devm_kzalloc(dev->mt76.dev, + MT7612U_EEPROM_SIZE, + GFP_KERNEL); + dev->mt76.eeprom.size = MT7612U_EEPROM_SIZE; + if (!dev->mt76.eeprom.data) + return -ENOMEM; + + for (i = 0; i + 4 <= MT7612U_EEPROM_SIZE; i += 4) { + val = mt76_rr(dev, MT_VEND_ADDR(EEPROM, i)); + put_unaligned_le32(val, dev->mt76.eeprom.data + i); + } + + mt76x2_eeprom_parse_hw_cap(dev); + return 0; +} + +struct mt76x2_dev *mt76x2u_alloc_device(struct device *pdev) +{ + static const struct mt76_driver_ops drv_ops = { + .tx_prepare_skb = mt76x2u_tx_prepare_skb, + .tx_complete_skb = mt76x2u_tx_complete_skb, + .tx_status_data = mt76x2u_tx_status_data, + .rx_skb = mt76x2_queue_rx_skb, + }; + struct mt76x2_dev *dev; + struct mt76_dev *mdev; + + mdev = mt76_alloc_device(sizeof(*dev), &mt76x2u_ops); + if (!mdev) + return NULL; + + dev = container_of(mdev, struct mt76x2_dev, mt76); + mdev->dev = pdev; + mdev->drv = &drv_ops; + + mutex_init(&dev->mutex); + + return dev; +} + +static void mt76x2u_init_beacon_offsets(struct mt76x2_dev *dev) +{ + mt76_wr(dev, MT_BCN_OFFSET(0), 0x18100800); + mt76_wr(dev, MT_BCN_OFFSET(1), 0x38302820); + mt76_wr(dev, MT_BCN_OFFSET(2), 0x58504840); + mt76_wr(dev, MT_BCN_OFFSET(3), 0x78706860); +} + +int mt76x2u_init_hardware(struct mt76x2_dev *dev) +{ + static const u16 beacon_offsets[] = { + /* 512 byte per beacon */ + 0xc000, 0xc200, 0xc400, 0xc600, + 0xc800, 0xca00, 0xcc00, 0xce00, + 0xd000, 0xd200, 0xd400, 0xd600, + 0xd800, 0xda00, 0xdc00, 0xde00 + }; + const struct mt76_wcid_addr addr = { + .macaddr = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}, + .ba_mask = 0, + }; + int i, err; + + dev->beacon_offsets = beacon_offsets; + + mt76x2_reset_wlan(dev, true); + mt76x2u_power_on(dev); + + if (!mt76x2_wait_for_mac(dev)) + return -ETIMEDOUT; + + err = mt76x2u_mcu_fw_init(dev); + if (err < 0) + return err; + + if (!mt76_poll_msec(dev, MT_WPDMA_GLO_CFG, + MT_WPDMA_GLO_CFG_TX_DMA_BUSY | + MT_WPDMA_GLO_CFG_RX_DMA_BUSY, 0, 100)) + return -EIO; + + /* wait for asic ready after fw load. */ + if (!mt76x2_wait_for_mac(dev)) + return -ETIMEDOUT; + + mt76_wr(dev, MT_HEADER_TRANS_CTRL_REG, 0); + mt76_wr(dev, MT_TSO_CTRL, 0); + + mt76x2u_init_dma(dev); + + err = mt76x2u_mcu_init(dev); + if (err < 0) + return err; + + err = mt76x2u_mac_reset(dev); + if (err < 0) + return err; + + mt76x2u_mac_setaddr(dev, dev->mt76.eeprom.data + MT_EE_MAC_ADDR); + dev->rxfilter = mt76_rr(dev, MT_RX_FILTR_CFG); + + mt76x2u_init_beacon_offsets(dev); + + if (!mt76x2_wait_for_bbp(dev)) + return -ETIMEDOUT; + + /* reset wcid table */ + for (i = 0; i < 254; i++) + mt76_wr_copy(dev, MT_WCID_ADDR(i), &addr, + sizeof(struct mt76_wcid_addr)); + + /* reset shared key table and pairwise key table */ + for (i = 0; i < 4; i++) + mt76_wr(dev, MT_SKEY_MODE_BASE_0 + 4 * i, 0); + for (i = 0; i < 256; i++) + mt76_wr(dev, MT_WCID_ATTR(i), 1); + + mt76_clear(dev, MT_BEACON_TIME_CFG, + MT_BEACON_TIME_CFG_TIMER_EN | + MT_BEACON_TIME_CFG_SYNC_MODE | + MT_BEACON_TIME_CFG_TBTT_EN | + MT_BEACON_TIME_CFG_BEACON_TX); + + mt76_rmw(dev, MT_US_CYC_CFG, MT_US_CYC_CNT, 0x1e); + mt76_wr(dev, MT_TXOP_CTRL_CFG, 0x583f); + + err = mt76x2u_mcu_load_cr(dev, MT_RF_BBP_CR, 0, 0); + if (err < 0) + return err; + + mt76x2u_phy_set_rxpath(dev); + mt76x2u_phy_set_txdac(dev); + + return mt76x2u_mac_stop(dev); +} + +int mt76x2u_register_device(struct mt76x2_dev *dev) +{ + struct ieee80211_hw *hw = mt76_hw(dev); + struct wiphy *wiphy = hw->wiphy; + int err; + + INIT_DELAYED_WORK(&dev->cal_work, mt76x2u_phy_calibrate); + mt76x2_init_device(dev); + + err = mt76x2u_init_eeprom(dev); + if (err < 0) + return err; + + err = mt76u_mcu_init_rx(&dev->mt76); + if (err < 0) + return err; + + err = mt76u_alloc_queues(&dev->mt76); + if (err < 0) + goto fail; + + err = mt76x2u_init_hardware(dev); + if (err < 0) + goto fail; + + wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); + + err = mt76_register_device(&dev->mt76, true, mt76x2_rates, + ARRAY_SIZE(mt76x2_rates)); + if (err) + goto fail; + + /* check hw sg support in order to enable AMSDU */ + if (mt76u_check_sg(&dev->mt76)) + hw->max_tx_fragments = MT_SG_MAX_SIZE; + else + hw->max_tx_fragments = 1; + + set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); + + mt76x2_init_debugfs(dev); + mt76x2_init_txpower(dev, &dev->mt76.sband_2g.sband); + mt76x2_init_txpower(dev, &dev->mt76.sband_5g.sband); + + return 0; + +fail: + mt76x2u_cleanup(dev); + return err; +} + +void mt76x2u_stop_hw(struct mt76x2_dev *dev) +{ + mt76u_stop_stat_wk(&dev->mt76); + cancel_delayed_work_sync(&dev->cal_work); + mt76x2u_mac_stop(dev); +} + +void mt76x2u_cleanup(struct mt76x2_dev *dev) +{ + mt76x2u_mcu_set_radio_state(dev, false); + mt76x2u_stop_hw(dev); + mt76u_queues_deinit(&dev->mt76); + mt76x2u_mcu_deinit(dev); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c new file mode 100644 index 000000000000..eab7ab297aa6 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_mac.c @@ -0,0 +1,240 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2u.h" +#include "mt76x2_eeprom.h" + +static void mt76x2u_mac_reset_counters(struct mt76x2_dev *dev) +{ + mt76_rr(dev, MT_RX_STAT_0); + mt76_rr(dev, MT_RX_STAT_1); + mt76_rr(dev, MT_RX_STAT_2); + mt76_rr(dev, MT_TX_STA_0); + mt76_rr(dev, MT_TX_STA_1); + mt76_rr(dev, MT_TX_STA_2); +} + +static void mt76x2u_mac_fixup_xtal(struct mt76x2_dev *dev) +{ + s8 offset = 0; + u16 eep_val; + + eep_val = mt76x2_eeprom_get(dev, MT_EE_XTAL_TRIM_2); + + offset = eep_val & 0x7f; + if ((eep_val & 0xff) == 0xff) + offset = 0; + else if (eep_val & 0x80) + offset = 0 - offset; + + eep_val >>= 8; + if (eep_val == 0x00 || eep_val == 0xff) { + eep_val = mt76x2_eeprom_get(dev, MT_EE_XTAL_TRIM_1); + eep_val &= 0xff; + + if (eep_val == 0x00 || eep_val == 0xff) + eep_val = 0x14; + } + + eep_val &= 0x7f; + mt76_rmw_field(dev, MT_VEND_ADDR(CFG, MT_XO_CTRL5), + MT_XO_CTRL5_C2_VAL, eep_val + offset); + mt76_set(dev, MT_VEND_ADDR(CFG, MT_XO_CTRL6), MT_XO_CTRL6_C2_CTRL); + + mt76_wr(dev, 0x504, 0x06000000); + mt76_wr(dev, 0x50c, 0x08800000); + mdelay(5); + mt76_wr(dev, 0x504, 0x0); + + /* decrease SIFS from 16us to 13us */ + mt76_rmw_field(dev, MT_XIFS_TIME_CFG, + MT_XIFS_TIME_CFG_OFDM_SIFS, 0xd); + mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG, MT_BKOFF_SLOT_CFG_CC_DELAY, 1); + + /* init fce */ + mt76_clear(dev, MT_FCE_L2_STUFF, MT_FCE_L2_STUFF_WR_MPDU_LEN_EN); + + eep_val = mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_2); + switch (FIELD_GET(MT_EE_NIC_CONF_2_XTAL_OPTION, eep_val)) { + case 0: + mt76_wr(dev, MT_XO_CTRL7, 0x5c1fee80); + break; + case 1: + mt76_wr(dev, MT_XO_CTRL7, 0x5c1feed0); + break; + default: + break; + } +} + +int mt76x2u_mac_reset(struct mt76x2_dev *dev) +{ + mt76_wr(dev, MT_WPDMA_GLO_CFG, BIT(4) | BIT(5)); + + /* init pbf regs */ + mt76_wr(dev, MT_PBF_TX_MAX_PCNT, 0xefef3f1f); + mt76_wr(dev, MT_PBF_RX_MAX_PCNT, 0xfebf); + + mt76_write_mac_initvals(dev); + + mt76_wr(dev, MT_TX_LINK_CFG, 0x1020); + mt76_wr(dev, MT_AUTO_RSP_CFG, 0x13); + mt76_wr(dev, MT_MAX_LEN_CFG, 0x2f00); + mt76_wr(dev, MT_TX_RTS_CFG, 0x92b20); + + mt76_wr(dev, MT_WMM_AIFSN, 0x2273); + mt76_wr(dev, MT_WMM_CWMIN, 0x2344); + mt76_wr(dev, MT_WMM_CWMAX, 0x34aa); + + mt76_clear(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_RESET_CSR | + MT_MAC_SYS_CTRL_RESET_BBP); + + if (is_mt7612(dev)) + mt76_clear(dev, MT_COEXCFG0, MT_COEXCFG0_COEX_EN); + + mt76_set(dev, MT_EXT_CCA_CFG, 0xf000); + mt76_clear(dev, MT_TX_ALC_CFG_4, BIT(31)); + + mt76x2u_mac_fixup_xtal(dev); + + return 0; +} + +int mt76x2u_mac_start(struct mt76x2_dev *dev) +{ + mt76x2u_mac_reset_counters(dev); + + mt76_wr(dev, MT_MAC_SYS_CTRL, MT_MAC_SYS_CTRL_ENABLE_TX); + wait_for_wpdma(dev); + usleep_range(50, 100); + + mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); + + mt76_wr(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_ENABLE_TX | + MT_MAC_SYS_CTRL_ENABLE_RX); + + return 0; +} + +int mt76x2u_mac_stop(struct mt76x2_dev *dev) +{ + int i, count = 0, val; + bool stopped = false; + u32 rts_cfg; + + if (test_bit(MT76_REMOVED, &dev->mt76.state)) + return -EIO; + + rts_cfg = mt76_rr(dev, MT_TX_RTS_CFG); + mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg & ~MT_TX_RTS_CFG_RETRY_LIMIT); + + mt76_clear(dev, MT_TXOP_CTRL_CFG, BIT(20)); + mt76_clear(dev, MT_TXOP_HLDR_ET, BIT(1)); + + /* wait tx dma to stop */ + for (i = 0; i < 2000; i++) { + val = mt76_rr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG)); + if (!(val & MT_USB_DMA_CFG_TX_BUSY) && i > 10) + break; + usleep_range(50, 100); + } + + /* page count on TxQ */ + for (i = 0; i < 200; i++) { + if (!(mt76_rr(dev, 0x0438) & 0xffffffff) && + !(mt76_rr(dev, 0x0a30) & 0x000000ff) && + !(mt76_rr(dev, 0x0a34) & 0xff00ff00)) + break; + usleep_range(10, 20); + } + + /* disable tx-rx */ + mt76_clear(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_ENABLE_RX | + MT_MAC_SYS_CTRL_ENABLE_TX); + + /* Wait for MAC to become idle */ + for (i = 0; i < 1000; i++) { + if (!(mt76_rr(dev, MT_MAC_STATUS) & MT_MAC_STATUS_TX) && + !mt76_rr(dev, MT_BBP(IBI, 12))) { + stopped = true; + break; + } + usleep_range(10, 20); + } + + if (!stopped) { + mt76_set(dev, MT_BBP(CORE, 4), BIT(1)); + mt76_clear(dev, MT_BBP(CORE, 4), BIT(1)); + + mt76_set(dev, MT_BBP(CORE, 4), BIT(0)); + mt76_clear(dev, MT_BBP(CORE, 4), BIT(0)); + } + + /* page count on RxQ */ + for (i = 0; i < 200; i++) { + if (!(mt76_rr(dev, 0x0430) & 0x00ff0000) && + !(mt76_rr(dev, 0x0a30) & 0xffffffff) && + !(mt76_rr(dev, 0x0a34) & 0xffffffff) && + ++count > 10) + break; + msleep(50); + } + + if (!mt76_poll(dev, MT_MAC_STATUS, MT_MAC_STATUS_RX, 0, 2000)) + dev_warn(dev->mt76.dev, "MAC RX failed to stop\n"); + + /* wait rx dma to stop */ + for (i = 0; i < 2000; i++) { + val = mt76_rr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG)); + if (!(val & MT_USB_DMA_CFG_RX_BUSY) && i > 10) + break; + usleep_range(50, 100); + } + + mt76_wr(dev, MT_TX_RTS_CFG, rts_cfg); + + return 0; +} + +void mt76x2u_mac_resume(struct mt76x2_dev *dev) +{ + mt76_wr(dev, MT_MAC_SYS_CTRL, + MT_MAC_SYS_CTRL_ENABLE_TX | + MT_MAC_SYS_CTRL_ENABLE_RX); + mt76_set(dev, MT_TXOP_CTRL_CFG, BIT(20)); + mt76_set(dev, MT_TXOP_HLDR_ET, BIT(1)); +} + +void mt76x2u_mac_setaddr(struct mt76x2_dev *dev, u8 *addr) +{ + ether_addr_copy(dev->mt76.macaddr, addr); + + if (!is_valid_ether_addr(dev->mt76.macaddr)) { + eth_random_addr(dev->mt76.macaddr); + dev_info(dev->mt76.dev, + "Invalid MAC address, using random address %pM\n", + dev->mt76.macaddr); + } + + mt76_wr(dev, MT_MAC_ADDR_DW0, get_unaligned_le32(dev->mt76.macaddr)); + mt76_wr(dev, MT_MAC_ADDR_DW1, + get_unaligned_le16(dev->mt76.macaddr + 4) | + FIELD_PREP(MT_MAC_ADDR_DW1_U2ME_MASK, 0xff)); +} + diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_main.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_main.c new file mode 100644 index 000000000000..7367ba111119 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_main.c @@ -0,0 +1,185 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2u.h" + +static int mt76x2u_start(struct ieee80211_hw *hw) +{ + struct mt76x2_dev *dev = hw->priv; + int ret; + + mutex_lock(&dev->mutex); + + ret = mt76x2u_mac_start(dev); + if (ret) + goto out; + + set_bit(MT76_STATE_RUNNING, &dev->mt76.state); + +out: + mutex_unlock(&dev->mutex); + return ret; +} + +static void mt76x2u_stop(struct ieee80211_hw *hw) +{ + struct mt76x2_dev *dev = hw->priv; + + mutex_lock(&dev->mutex); + clear_bit(MT76_STATE_RUNNING, &dev->mt76.state); + mt76x2u_stop_hw(dev); + mutex_unlock(&dev->mutex); +} + +static int mt76x2u_add_interface(struct ieee80211_hw *hw, + struct ieee80211_vif *vif) +{ + struct mt76x2_dev *dev = hw->priv; + struct mt76x2_vif *mvif = (struct mt76x2_vif *)vif->drv_priv; + unsigned int idx = 0; + + if (!ether_addr_equal(dev->mt76.macaddr, vif->addr)) + mt76x2u_mac_setaddr(dev, vif->addr); + + mvif->idx = idx; + mvif->group_wcid.idx = MT_VIF_WCID(idx); + mvif->group_wcid.hw_key_idx = -1; + mt76x2_txq_init(dev, vif->txq); + + return 0; +} + +static int +mt76x2u_set_channel(struct mt76x2_dev *dev, + struct cfg80211_chan_def *chandef) +{ + int err; + + cancel_delayed_work_sync(&dev->cal_work); + set_bit(MT76_RESET, &dev->mt76.state); + + mt76_set_channel(&dev->mt76); + + mt76_clear(dev, MT_TXOP_CTRL_CFG, BIT(20)); + mt76_clear(dev, MT_TXOP_HLDR_ET, BIT(1)); + mt76x2_mac_stop(dev, false); + + err = mt76x2u_phy_set_channel(dev, chandef); + + mt76x2u_mac_resume(dev); + + clear_bit(MT76_RESET, &dev->mt76.state); + mt76_txq_schedule_all(&dev->mt76); + + return err; +} + +static void +mt76x2u_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + struct ieee80211_bss_conf *info, u32 changed) +{ + struct mt76x2_dev *dev = hw->priv; + + mutex_lock(&dev->mutex); + + if (changed & BSS_CHANGED_ASSOC) { + mt76x2u_phy_channel_calibrate(dev); + mt76x2_apply_gain_adj(dev); + } + + if (changed & BSS_CHANGED_BSSID) { + mt76_wr(dev, MT_MAC_BSSID_DW0, + get_unaligned_le32(info->bssid)); + mt76_wr(dev, MT_MAC_BSSID_DW1, + get_unaligned_le16(info->bssid + 4)); + } + + mutex_unlock(&dev->mutex); +} + +static int +mt76x2u_config(struct ieee80211_hw *hw, u32 changed) +{ + struct mt76x2_dev *dev = hw->priv; + int err = 0; + + mutex_lock(&dev->mutex); + + if (changed & IEEE80211_CONF_CHANGE_MONITOR) { + if (!(hw->conf.flags & IEEE80211_CONF_MONITOR)) + dev->rxfilter |= MT_RX_FILTR_CFG_PROMISC; + else + dev->rxfilter &= ~MT_RX_FILTR_CFG_PROMISC; + mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter); + } + + if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { + ieee80211_stop_queues(hw); + err = mt76x2u_set_channel(dev, &hw->conf.chandef); + ieee80211_wake_queues(hw); + } + + if (changed & IEEE80211_CONF_CHANGE_POWER) { + dev->txpower_conf = hw->conf.power_level * 2; + + /* convert to per-chain power for 2x2 devices */ + dev->txpower_conf -= 6; + + if (test_bit(MT76_STATE_RUNNING, &dev->mt76.state)) + mt76x2_phy_set_txpower(dev); + } + + mutex_unlock(&dev->mutex); + + return err; +} + +static void +mt76x2u_sw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, + const u8 *mac) +{ + struct mt76x2_dev *dev = hw->priv; + + set_bit(MT76_SCANNING, &dev->mt76.state); +} + +static void +mt76x2u_sw_scan_complete(struct ieee80211_hw *hw, struct ieee80211_vif *vif) +{ + struct mt76x2_dev *dev = hw->priv; + + clear_bit(MT76_SCANNING, &dev->mt76.state); +} + +const struct ieee80211_ops mt76x2u_ops = { + .tx = mt76x2_tx, + .start = mt76x2u_start, + .stop = mt76x2u_stop, + .add_interface = mt76x2u_add_interface, + .remove_interface = mt76x2_remove_interface, + .sta_add = mt76x2_sta_add, + .sta_remove = mt76x2_sta_remove, + .set_key = mt76x2_set_key, + .ampdu_action = mt76x2_ampdu_action, + .config = mt76x2u_config, + .wake_tx_queue = mt76_wake_tx_queue, + .bss_info_changed = mt76x2u_bss_info_changed, + .configure_filter = mt76x2_configure_filter, + .conf_tx = mt76x2_conf_tx, + .sw_scan_start = mt76x2u_sw_scan, + .sw_scan_complete = mt76x2u_sw_scan_complete, + .sta_rate_tbl_update = mt76x2_sta_rate_tbl_update, +}; diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c new file mode 100644 index 000000000000..22c16d638baa --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_mcu.c @@ -0,0 +1,463 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/firmware.h> + +#include "mt76x2u.h" +#include "mt76x2_eeprom.h" + +#define MT_CMD_HDR_LEN 4 +#define MT_INBAND_PACKET_MAX_LEN 192 +#define MT_MCU_MEMMAP_WLAN 0x410000 + +#define MCU_FW_URB_MAX_PAYLOAD 0x3900 +#define MCU_ROM_PATCH_MAX_PAYLOAD 2048 + +#define MT76U_MCU_ILM_OFFSET 0x80000 +#define MT76U_MCU_DLM_OFFSET 0x110000 +#define MT76U_MCU_ROM_PATCH_OFFSET 0x90000 + +static int +mt76x2u_mcu_function_select(struct mt76x2_dev *dev, enum mcu_function func, + u32 val) +{ + struct { + __le32 id; + __le32 value; + } __packed __aligned(4) msg = { + .id = cpu_to_le32(func), + .value = cpu_to_le32(val), + }; + struct sk_buff *skb; + + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_FUN_SET_OP, + func != Q_SELECT); +} + +int mt76x2u_mcu_set_radio_state(struct mt76x2_dev *dev, bool val) +{ + struct { + __le32 mode; + __le32 level; + } __packed __aligned(4) msg = { + .mode = cpu_to_le32(val ? RADIO_ON : RADIO_OFF), + .level = cpu_to_le32(0), + }; + struct sk_buff *skb; + + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_POWER_SAVING_OP, + false); +} + +int mt76x2u_mcu_load_cr(struct mt76x2_dev *dev, u8 type, u8 temp_level, + u8 channel) +{ + struct { + u8 cr_mode; + u8 temp; + u8 ch; + u8 _pad0; + __le32 cfg; + } __packed __aligned(4) msg = { + .cr_mode = type, + .temp = temp_level, + .ch = channel, + }; + struct sk_buff *skb; + u32 val; + + val = BIT(31); + val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_0) >> 8) & 0x00ff; + val |= (mt76x2_eeprom_get(dev, MT_EE_NIC_CONF_1) << 8) & 0xff00; + msg.cfg = cpu_to_le32(val); + + /* first set the channel without the extension channel info */ + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_LOAD_CR, true); +} + +int mt76x2u_mcu_set_channel(struct mt76x2_dev *dev, u8 channel, u8 bw, + u8 bw_index, bool scan) +{ + struct { + u8 idx; + u8 scan; + u8 bw; + u8 _pad0; + + __le16 chainmask; + u8 ext_chan; + u8 _pad1; + + } __packed __aligned(4) msg = { + .idx = channel, + .scan = scan, + .bw = bw, + .chainmask = cpu_to_le16(dev->chainmask), + }; + struct sk_buff *skb; + + /* first set the channel without the extension channel info */ + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + + mt76u_mcu_send_msg(&dev->mt76, skb, CMD_SWITCH_CHANNEL_OP, true); + + usleep_range(5000, 10000); + + msg.ext_chan = 0xe0 + bw_index; + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_SWITCH_CHANNEL_OP, true); +} + +int mt76x2u_mcu_calibrate(struct mt76x2_dev *dev, enum mcu_calibration type, + u32 val) +{ + struct { + __le32 id; + __le32 value; + } __packed __aligned(4) msg = { + .id = cpu_to_le32(type), + .value = cpu_to_le32(val), + }; + struct sk_buff *skb; + + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_CALIBRATION_OP, true); +} + +int mt76x2u_mcu_init_gain(struct mt76x2_dev *dev, u8 channel, u32 gain, + bool force) +{ + struct { + __le32 channel; + __le32 gain_val; + } __packed __aligned(4) msg = { + .channel = cpu_to_le32(channel), + .gain_val = cpu_to_le32(gain), + }; + struct sk_buff *skb; + + if (force) + msg.channel |= cpu_to_le32(BIT(31)); + + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_INIT_GAIN_OP, true); +} + +int mt76x2u_mcu_set_dynamic_vga(struct mt76x2_dev *dev, u8 channel, bool ap, + bool ext, int rssi, u32 false_cca) +{ + struct { + __le32 channel; + __le32 rssi_val; + __le32 false_cca_val; + } __packed __aligned(4) msg = { + .rssi_val = cpu_to_le32(rssi), + .false_cca_val = cpu_to_le32(false_cca), + }; + struct sk_buff *skb; + u32 val = channel; + + if (ap) + val |= BIT(31); + if (ext) + val |= BIT(30); + msg.channel = cpu_to_le32(val); + + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_DYNC_VGA_OP, true); +} + +int mt76x2u_mcu_tssi_comp(struct mt76x2_dev *dev, + struct mt76x2_tssi_comp *tssi_data) +{ + struct { + __le32 id; + struct mt76x2_tssi_comp data; + } __packed __aligned(4) msg = { + .id = cpu_to_le32(MCU_CAL_TSSI_COMP), + .data = *tssi_data, + }; + struct sk_buff *skb; + + skb = mt76u_mcu_msg_alloc(&msg, sizeof(msg)); + if (!skb) + return -ENOMEM; + return mt76u_mcu_send_msg(&dev->mt76, skb, CMD_CALIBRATION_OP, true); +} + +static void mt76x2u_mcu_load_ivb(struct mt76x2_dev *dev) +{ + mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, + USB_DIR_OUT | USB_TYPE_VENDOR, + 0x12, 0, NULL, 0); +} + +static void mt76x2u_mcu_enable_patch(struct mt76x2_dev *dev) +{ + struct mt76_usb *usb = &dev->mt76.usb; + const u8 data[] = { + 0x6f, 0xfc, 0x08, 0x01, + 0x20, 0x04, 0x00, 0x00, + 0x00, 0x09, 0x00, + }; + + memcpy(usb->data, data, sizeof(data)); + mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, + USB_DIR_OUT | USB_TYPE_CLASS, + 0x12, 0, usb->data, sizeof(data)); +} + +static void mt76x2u_mcu_reset_wmt(struct mt76x2_dev *dev) +{ + struct mt76_usb *usb = &dev->mt76.usb; + u8 data[] = { + 0x6f, 0xfc, 0x05, 0x01, + 0x07, 0x01, 0x00, 0x04 + }; + + memcpy(usb->data, data, sizeof(data)); + mt76u_vendor_request(&dev->mt76, MT_VEND_DEV_MODE, + USB_DIR_OUT | USB_TYPE_CLASS, + 0x12, 0, usb->data, sizeof(data)); +} + +static int mt76x2u_mcu_load_rom_patch(struct mt76x2_dev *dev) +{ + bool rom_protect = !is_mt7612(dev); + struct mt76x2_patch_header *hdr; + u32 val, patch_mask, patch_reg; + const struct firmware *fw; + int err; + + if (rom_protect && + !mt76_poll_msec(dev, MT_MCU_SEMAPHORE_03, 1, 1, 600)) { + dev_err(dev->mt76.dev, + "could not get hardware semaphore for ROM PATCH\n"); + return -ETIMEDOUT; + } + + if (mt76xx_rev(dev) >= MT76XX_REV_E3) { + patch_mask = BIT(0); + patch_reg = MT_MCU_CLOCK_CTL; + } else { + patch_mask = BIT(1); + patch_reg = MT_MCU_COM_REG0; + } + + if (rom_protect && (mt76_rr(dev, patch_reg) & patch_mask)) { + dev_info(dev->mt76.dev, "ROM patch already applied\n"); + return 0; + } + + err = request_firmware(&fw, MT7662U_ROM_PATCH, dev->mt76.dev); + if (err < 0) + return err; + + if (!fw || !fw->data || fw->size <= sizeof(*hdr)) { + dev_err(dev->mt76.dev, "failed to load firmware\n"); + err = -EIO; + goto out; + } + + hdr = (struct mt76x2_patch_header *)fw->data; + dev_info(dev->mt76.dev, "ROM patch build: %.15s\n", hdr->build_time); + + /* enable USB_DMA_CFG */ + val = MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN | + FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20); + mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val); + + /* vendor reset */ + mt76u_mcu_fw_reset(&dev->mt76); + usleep_range(5000, 10000); + + /* enable FCE to send in-band cmd */ + mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1); + /* FCE tx_fs_base_ptr */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); + /* FCE tx_fs_max_cnt */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 0x1); + /* FCE pdma enable */ + mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); + /* FCE skip_fs_en */ + mt76_wr(dev, MT_FCE_SKIP_FS, 0x3); + + err = mt76u_mcu_fw_send_data(&dev->mt76, fw->data + sizeof(*hdr), + fw->size - sizeof(*hdr), + MCU_ROM_PATCH_MAX_PAYLOAD, + MT76U_MCU_ROM_PATCH_OFFSET); + if (err < 0) { + err = -EIO; + goto out; + } + + mt76x2u_mcu_enable_patch(dev); + mt76x2u_mcu_reset_wmt(dev); + mdelay(20); + + if (!mt76_poll_msec(dev, patch_reg, patch_mask, patch_mask, 100)) { + dev_err(dev->mt76.dev, "failed to load ROM patch\n"); + err = -ETIMEDOUT; + } + +out: + if (rom_protect) + mt76_wr(dev, MT_MCU_SEMAPHORE_03, 1); + release_firmware(fw); + return err; +} + +static int mt76x2u_mcu_load_firmware(struct mt76x2_dev *dev) +{ + u32 val, dlm_offset = MT76U_MCU_DLM_OFFSET; + const struct mt76x2_fw_header *hdr; + int err, len, ilm_len, dlm_len; + const struct firmware *fw; + + err = request_firmware(&fw, MT7662U_FIRMWARE, dev->mt76.dev); + if (err < 0) + return err; + + if (!fw || !fw->data || fw->size < sizeof(*hdr)) { + err = -EINVAL; + goto out; + } + + hdr = (const struct mt76x2_fw_header *)fw->data; + ilm_len = le32_to_cpu(hdr->ilm_len); + dlm_len = le32_to_cpu(hdr->dlm_len); + len = sizeof(*hdr) + ilm_len + dlm_len; + if (fw->size != len) { + err = -EINVAL; + goto out; + } + + val = le16_to_cpu(hdr->fw_ver); + dev_info(dev->mt76.dev, "Firmware Version: %d.%d.%02d\n", + (val >> 12) & 0xf, (val >> 8) & 0xf, val & 0xf); + + val = le16_to_cpu(hdr->build_ver); + dev_info(dev->mt76.dev, "Build: %x\n", val); + dev_info(dev->mt76.dev, "Build Time: %.16s\n", hdr->build_time); + + /* vendor reset */ + mt76u_mcu_fw_reset(&dev->mt76); + usleep_range(5000, 10000); + + /* enable USB_DMA_CFG */ + val = MT_USB_DMA_CFG_RX_BULK_EN | + MT_USB_DMA_CFG_TX_BULK_EN | + FIELD_PREP(MT_USB_DMA_CFG_RX_BULK_AGG_TOUT, 0x20); + mt76_wr(dev, MT_VEND_ADDR(CFG, MT_USB_U3DMA_CFG), val); + /* enable FCE to send in-band cmd */ + mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1); + /* FCE tx_fs_base_ptr */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_BASE_PTR, 0x400230); + /* FCE tx_fs_max_cnt */ + mt76_wr(dev, MT_TX_CPU_FROM_FCE_MAX_COUNT, 0x1); + /* FCE pdma enable */ + mt76_wr(dev, MT_FCE_PDMA_GLOBAL_CONF, 0x44); + /* FCE skip_fs_en */ + mt76_wr(dev, MT_FCE_SKIP_FS, 0x3); + + /* load ILM */ + err = mt76u_mcu_fw_send_data(&dev->mt76, fw->data + sizeof(*hdr), + ilm_len, MCU_FW_URB_MAX_PAYLOAD, + MT76U_MCU_ILM_OFFSET); + if (err < 0) { + err = -EIO; + goto out; + } + + /* load DLM */ + if (mt76xx_rev(dev) >= MT76XX_REV_E3) + dlm_offset += 0x800; + err = mt76u_mcu_fw_send_data(&dev->mt76, + fw->data + sizeof(*hdr) + ilm_len, + dlm_len, MCU_FW_URB_MAX_PAYLOAD, + dlm_offset); + if (err < 0) { + err = -EIO; + goto out; + } + + mt76x2u_mcu_load_ivb(dev); + if (!mt76_poll_msec(dev, MT_MCU_COM_REG0, 1, 1, 100)) { + dev_err(dev->mt76.dev, "firmware failed to start\n"); + err = -ETIMEDOUT; + goto out; + } + + mt76_set(dev, MT_MCU_COM_REG0, BIT(1)); + /* enable FCE to send in-band cmd */ + mt76_wr(dev, MT_FCE_PSE_CTRL, 0x1); + dev_dbg(dev->mt76.dev, "firmware running\n"); + +out: + release_firmware(fw); + return err; +} + +int mt76x2u_mcu_fw_init(struct mt76x2_dev *dev) +{ + int err; + + err = mt76x2u_mcu_load_rom_patch(dev); + if (err < 0) + return err; + + return mt76x2u_mcu_load_firmware(dev); +} + +int mt76x2u_mcu_init(struct mt76x2_dev *dev) +{ + int err; + + err = mt76x2u_mcu_function_select(dev, Q_SELECT, 1); + if (err < 0) + return err; + + return mt76x2u_mcu_set_radio_state(dev, true); +} + +void mt76x2u_mcu_deinit(struct mt76x2_dev *dev) +{ + struct mt76_usb *usb = &dev->mt76.usb; + + usb_kill_urb(usb->mcu.res.urb); + mt76u_buf_free(&usb->mcu.res); +} diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c b/drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c new file mode 100644 index 000000000000..5158063d0c2e --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/mt76x2u_phy.c @@ -0,0 +1,303 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76x2u.h" +#include "mt76x2_eeprom.h" + +void mt76x2u_phy_set_rxpath(struct mt76x2_dev *dev) +{ + u32 val; + + val = mt76_rr(dev, MT_BBP(AGC, 0)); + val &= ~BIT(4); + + switch (dev->chainmask & 0xf) { + case 2: + val |= BIT(3); + break; + default: + val &= ~BIT(3); + break; + } + mt76_wr(dev, MT_BBP(AGC, 0), val); +} + +void mt76x2u_phy_set_txdac(struct mt76x2_dev *dev) +{ + int txpath; + + txpath = (dev->chainmask >> 8) & 0xf; + switch (txpath) { + case 2: + mt76_set(dev, MT_BBP(TXBE, 5), 0x3); + break; + default: + mt76_clear(dev, MT_BBP(TXBE, 5), 0x3); + break; + } +} + +void mt76x2u_phy_channel_calibrate(struct mt76x2_dev *dev) +{ + struct ieee80211_channel *chan = dev->mt76.chandef.chan; + bool is_5ghz = chan->band == NL80211_BAND_5GHZ; + + if (mt76x2_channel_silent(dev)) + return; + + mt76x2u_mac_stop(dev); + + if (is_5ghz) + mt76x2u_mcu_calibrate(dev, MCU_CAL_LC, 0); + + mt76x2u_mcu_calibrate(dev, MCU_CAL_TX_LOFT, is_5ghz); + mt76x2u_mcu_calibrate(dev, MCU_CAL_TXIQ, is_5ghz); + mt76x2u_mcu_calibrate(dev, MCU_CAL_RXIQC_FI, is_5ghz); + mt76x2u_mcu_calibrate(dev, MCU_CAL_TEMP_SENSOR, 0); + + mt76x2u_mac_resume(dev); +} + +static void +mt76x2u_phy_tssi_compensate(struct mt76x2_dev *dev) +{ + struct ieee80211_channel *chan = dev->mt76.chandef.chan; + struct mt76x2_tx_power_info txp; + struct mt76x2_tssi_comp t = {}; + + if (!dev->cal.tssi_cal_done) + return; + + if (!dev->cal.tssi_comp_pending) { + /* TSSI trigger */ + t.cal_mode = BIT(0); + mt76x2u_mcu_tssi_comp(dev, &t); + dev->cal.tssi_comp_pending = true; + } else { + if (mt76_rr(dev, MT_BBP(CORE, 34)) & BIT(4)) + return; + + dev->cal.tssi_comp_pending = false; + mt76x2_get_power_info(dev, &txp, chan); + + if (mt76x2_ext_pa_enabled(dev, chan->band)) + t.pa_mode = 1; + + t.cal_mode = BIT(1); + t.slope0 = txp.chain[0].tssi_slope; + t.offset0 = txp.chain[0].tssi_offset; + t.slope1 = txp.chain[1].tssi_slope; + t.offset1 = txp.chain[1].tssi_offset; + mt76x2u_mcu_tssi_comp(dev, &t); + + if (t.pa_mode || dev->cal.dpd_cal_done) + return; + + usleep_range(10000, 20000); + mt76x2u_mcu_calibrate(dev, MCU_CAL_DPD, chan->hw_value); + dev->cal.dpd_cal_done = true; + } +} + +static void +mt76x2u_phy_update_channel_gain(struct mt76x2_dev *dev) +{ + u8 channel = dev->mt76.chandef.chan->hw_value; + int freq, freq1; + u32 false_cca; + + freq = dev->mt76.chandef.chan->center_freq; + freq1 = dev->mt76.chandef.center_freq1; + + switch (dev->mt76.chandef.width) { + case NL80211_CHAN_WIDTH_80: { + int ch_group_index; + + ch_group_index = (freq - freq1 + 30) / 20; + if (WARN_ON(ch_group_index < 0 || ch_group_index > 3)) + ch_group_index = 0; + channel += 6 - ch_group_index * 4; + break; + } + case NL80211_CHAN_WIDTH_40: + if (freq1 > freq) + channel += 2; + else + channel -= 2; + break; + default: + break; + } + + dev->cal.avg_rssi_all = mt76x2_phy_get_min_avg_rssi(dev); + false_cca = FIELD_GET(MT_RX_STAT_1_CCA_ERRORS, + mt76_rr(dev, MT_RX_STAT_1)); + + mt76x2u_mcu_set_dynamic_vga(dev, channel, false, false, + dev->cal.avg_rssi_all, false_cca); +} + +void mt76x2u_phy_calibrate(struct work_struct *work) +{ + struct mt76x2_dev *dev; + + dev = container_of(work, struct mt76x2_dev, cal_work.work); + mt76x2u_phy_tssi_compensate(dev); + mt76x2u_phy_update_channel_gain(dev); + + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work, + MT_CALIBRATE_INTERVAL); +} + +int mt76x2u_phy_set_channel(struct mt76x2_dev *dev, + struct cfg80211_chan_def *chandef) +{ + u32 ext_cca_chan[4] = { + [0] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(0)), + [1] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(1)), + [2] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(2)), + [3] = FIELD_PREP(MT_EXT_CCA_CFG_CCA0, 3) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA1, 2) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA2, 1) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA3, 0) | + FIELD_PREP(MT_EXT_CCA_CFG_CCA_MASK, BIT(3)), + }; + bool scan = test_bit(MT76_SCANNING, &dev->mt76.state); + struct ieee80211_channel *chan = chandef->chan; + u8 channel = chan->hw_value, bw, bw_index; + int ch_group_index, freq, freq1, ret; + + dev->cal.channel_cal_done = false; + freq = chandef->chan->center_freq; + freq1 = chandef->center_freq1; + + switch (chandef->width) { + case NL80211_CHAN_WIDTH_40: + bw = 1; + if (freq1 > freq) { + bw_index = 1; + ch_group_index = 0; + } else { + bw_index = 3; + ch_group_index = 1; + } + channel += 2 - ch_group_index * 4; + break; + case NL80211_CHAN_WIDTH_80: + ch_group_index = (freq - freq1 + 30) / 20; + if (WARN_ON(ch_group_index < 0 || ch_group_index > 3)) + ch_group_index = 0; + bw = 2; + bw_index = ch_group_index; + channel += 6 - ch_group_index * 4; + break; + default: + bw = 0; + bw_index = 0; + ch_group_index = 0; + break; + } + + mt76x2_read_rx_gain(dev); + mt76x2_phy_set_txpower_regs(dev, chan->band); + mt76x2_configure_tx_delay(dev, chan->band, bw); + mt76x2_phy_set_txpower(dev); + + mt76x2_phy_set_band(dev, chan->band, ch_group_index & 1); + mt76x2_phy_set_bw(dev, chandef->width, ch_group_index); + + mt76_rmw(dev, MT_EXT_CCA_CFG, + (MT_EXT_CCA_CFG_CCA0 | + MT_EXT_CCA_CFG_CCA1 | + MT_EXT_CCA_CFG_CCA2 | + MT_EXT_CCA_CFG_CCA3 | + MT_EXT_CCA_CFG_CCA_MASK), + ext_cca_chan[ch_group_index]); + + ret = mt76x2u_mcu_set_channel(dev, channel, bw, bw_index, scan); + if (ret) + return ret; + + mt76x2u_mcu_init_gain(dev, channel, dev->cal.rx.mcu_gain, true); + + /* Enable LDPC Rx */ + if (mt76xx_rev(dev) >= MT76XX_REV_E3) + mt76_set(dev, MT_BBP(RXO, 13), BIT(10)); + + if (!dev->cal.init_cal_done) { + u8 val = mt76x2_eeprom_get(dev, MT_EE_BT_RCAL_RESULT); + + if (val != 0xff) + mt76x2u_mcu_calibrate(dev, MCU_CAL_R, 0); + } + + mt76x2u_mcu_calibrate(dev, MCU_CAL_RXDCOC, channel); + + /* Rx LPF calibration */ + if (!dev->cal.init_cal_done) + mt76x2u_mcu_calibrate(dev, MCU_CAL_RC, 0); + dev->cal.init_cal_done = true; + + mt76_wr(dev, MT_BBP(AGC, 61), 0xff64a4e2); + mt76_wr(dev, MT_BBP(AGC, 7), 0x08081010); + mt76_wr(dev, MT_BBP(AGC, 11), 0x00000404); + mt76_wr(dev, MT_BBP(AGC, 2), 0x00007070); + mt76_wr(dev, MT_TXOP_CTRL_CFG, 0X04101b3f); + + mt76_set(dev, MT_BBP(TXO, 4), BIT(25)); + mt76_set(dev, MT_BBP(RXO, 13), BIT(8)); + + if (scan) + return 0; + + if (mt76x2_tssi_enabled(dev)) { + /* init default values for temp compensation */ + mt76_rmw_field(dev, MT_TX_ALC_CFG_1, MT_TX_ALC_CFG_1_TEMP_COMP, + 0x38); + mt76_rmw_field(dev, MT_TX_ALC_CFG_2, MT_TX_ALC_CFG_2_TEMP_COMP, + 0x38); + + /* init tssi calibration */ + if (!mt76x2_channel_silent(dev)) { + struct ieee80211_channel *chan; + u32 flag = 0; + + chan = dev->mt76.chandef.chan; + if (chan->band == NL80211_BAND_5GHZ) + flag |= BIT(0); + if (mt76x2_ext_pa_enabled(dev, chan->band)) + flag |= BIT(8); + mt76x2u_mcu_calibrate(dev, MCU_CAL_TSSI, flag); + dev->cal.tssi_cal_done = true; + } + } + + ieee80211_queue_delayed_work(mt76_hw(dev), &dev->cal_work, + MT_CALIBRATE_INTERVAL); + return 0; +} diff --git a/drivers/net/wireless/mediatek/mt76/tx.c b/drivers/net/wireless/mediatek/mt76/tx.c index e96956710fb2..af48d43bb7dc 100644 --- a/drivers/net/wireless/mediatek/mt76/tx.c +++ b/drivers/net/wireless/mediatek/mt76/tx.c @@ -51,7 +51,7 @@ __mt76_get_txwi(struct mt76_dev *dev) return t; } -static struct mt76_txwi_cache * +struct mt76_txwi_cache * mt76_get_txwi(struct mt76_dev *dev) { struct mt76_txwi_cache *t = __mt76_get_txwi(dev); @@ -91,80 +91,6 @@ mt76_txq_get_qid(struct ieee80211_txq *txq) return txq->ac; } -int mt76_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, - struct sk_buff *skb, struct mt76_wcid *wcid, - struct ieee80211_sta *sta) -{ - struct mt76_queue_entry e; - struct mt76_txwi_cache *t; - struct mt76_queue_buf buf[32]; - struct sk_buff *iter; - dma_addr_t addr; - int len; - u32 tx_info = 0; - int n, ret; - - t = mt76_get_txwi(dev); - if (!t) { - ieee80211_free_txskb(dev->hw, skb); - return -ENOMEM; - } - - dma_sync_single_for_cpu(dev->dev, t->dma_addr, sizeof(t->txwi), - DMA_TO_DEVICE); - ret = dev->drv->tx_prepare_skb(dev, &t->txwi, skb, q, wcid, sta, - &tx_info); - dma_sync_single_for_device(dev->dev, t->dma_addr, sizeof(t->txwi), - DMA_TO_DEVICE); - if (ret < 0) - goto free; - - len = skb->len - skb->data_len; - addr = dma_map_single(dev->dev, skb->data, len, DMA_TO_DEVICE); - if (dma_mapping_error(dev->dev, addr)) { - ret = -ENOMEM; - goto free; - } - - n = 0; - buf[n].addr = t->dma_addr; - buf[n++].len = dev->drv->txwi_size; - buf[n].addr = addr; - buf[n++].len = len; - - skb_walk_frags(skb, iter) { - if (n == ARRAY_SIZE(buf)) - goto unmap; - - addr = dma_map_single(dev->dev, iter->data, iter->len, - DMA_TO_DEVICE); - if (dma_mapping_error(dev->dev, addr)) - goto unmap; - - buf[n].addr = addr; - buf[n++].len = iter->len; - } - - if (q->queued + (n + 1) / 2 >= q->ndesc - 1) - goto unmap; - - return dev->queue_ops->add_buf(dev, q, buf, n, tx_info, skb, t); - -unmap: - ret = -ENOMEM; - for (n--; n > 0; n--) - dma_unmap_single(dev->dev, buf[n].addr, buf[n].len, - DMA_TO_DEVICE); - -free: - e.skb = skb; - e.txwi = t; - dev->drv->tx_complete_skb(dev, q, &e, true); - mt76_put_txwi(dev, t); - return ret; -} -EXPORT_SYMBOL_GPL(mt76_tx_queue_skb); - void mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta, struct mt76_wcid *wcid, struct sk_buff *skb) @@ -185,7 +111,7 @@ mt76_tx(struct mt76_dev *dev, struct ieee80211_sta *sta, q = &dev->q_tx[qid]; spin_lock_bh(&q->lock); - mt76_tx_queue_skb(dev, q, skb, wcid, sta); + dev->queue_ops->tx_queue_skb(dev, q, skb, wcid, sta); dev->queue_ops->kick(dev, q); if (q->queued > q->ndesc - 8) @@ -241,7 +167,7 @@ mt76_queue_ps_skb(struct mt76_dev *dev, struct ieee80211_sta *sta, info->flags |= IEEE80211_TX_STATUS_EOSP; mt76_skb_set_moredata(skb, !last); - mt76_tx_queue_skb(dev, hwq, skb, wcid, sta); + dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, sta); } void @@ -321,7 +247,7 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq, if (ampdu) mt76_check_agg_ssn(mtxq, skb); - idx = mt76_tx_queue_skb(dev, hwq, skb, wcid, txq->sta); + idx = dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, txq->sta); if (idx < 0) return idx; @@ -356,7 +282,8 @@ mt76_txq_send_burst(struct mt76_dev *dev, struct mt76_queue *hwq, if (cur_ampdu) mt76_check_agg_ssn(mtxq, skb); - idx = mt76_tx_queue_skb(dev, hwq, skb, wcid, txq->sta); + idx = dev->queue_ops->tx_queue_skb(dev, hwq, skb, wcid, + txq->sta); if (idx < 0) return idx; diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c new file mode 100644 index 000000000000..7780b07543bb --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/usb.c @@ -0,0 +1,845 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "mt76.h" +#include "usb_trace.h" +#include "dma.h" + +#define MT_VEND_REQ_MAX_RETRY 10 +#define MT_VEND_REQ_TOUT_MS 300 + +/* should be called with usb_ctrl_mtx locked */ +static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, + u8 req_type, u16 val, u16 offset, + void *buf, size_t len) +{ + struct usb_interface *intf = to_usb_interface(dev->dev); + struct usb_device *udev = interface_to_usbdev(intf); + unsigned int pipe; + int i, ret; + + pipe = (req_type & USB_DIR_IN) ? usb_rcvctrlpipe(udev, 0) + : usb_sndctrlpipe(udev, 0); + for (i = 0; i < MT_VEND_REQ_MAX_RETRY; i++) { + if (test_bit(MT76_REMOVED, &dev->state)) + return -EIO; + + ret = usb_control_msg(udev, pipe, req, req_type, val, + offset, buf, len, MT_VEND_REQ_TOUT_MS); + if (ret == -ENODEV) + set_bit(MT76_REMOVED, &dev->state); + if (ret >= 0 || ret == -ENODEV) + return ret; + usleep_range(5000, 10000); + } + + dev_err(dev->dev, "vendor request req:%02x off:%04x failed:%d\n", + req, offset, ret); + return ret; +} + +int mt76u_vendor_request(struct mt76_dev *dev, u8 req, + u8 req_type, u16 val, u16 offset, + void *buf, size_t len) +{ + int ret; + + mutex_lock(&dev->usb.usb_ctrl_mtx); + ret = __mt76u_vendor_request(dev, req, req_type, + val, offset, buf, len); + trace_usb_reg_wr(dev, offset, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return ret; +} +EXPORT_SYMBOL_GPL(mt76u_vendor_request); + +/* should be called with usb_ctrl_mtx locked */ +static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr) +{ + struct mt76_usb *usb = &dev->usb; + u32 data = ~0; + u16 offset; + int ret; + u8 req; + + switch (addr & MT_VEND_TYPE_MASK) { + case MT_VEND_TYPE_EEPROM: + req = MT_VEND_READ_EEPROM; + break; + case MT_VEND_TYPE_CFG: + req = MT_VEND_READ_CFG; + break; + default: + req = MT_VEND_MULTI_READ; + break; + } + offset = addr & ~MT_VEND_TYPE_MASK; + + ret = __mt76u_vendor_request(dev, req, + USB_DIR_IN | USB_TYPE_VENDOR, + 0, offset, usb->data, sizeof(__le32)); + if (ret == sizeof(__le32)) + data = get_unaligned_le32(usb->data); + trace_usb_reg_rr(dev, addr, data); + + return data; +} + +u32 mt76u_rr(struct mt76_dev *dev, u32 addr) +{ + u32 ret; + + mutex_lock(&dev->usb.usb_ctrl_mtx); + ret = __mt76u_rr(dev, addr); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return ret; +} + +/* should be called with usb_ctrl_mtx locked */ +static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) +{ + struct mt76_usb *usb = &dev->usb; + u16 offset; + u8 req; + + switch (addr & MT_VEND_TYPE_MASK) { + case MT_VEND_TYPE_CFG: + req = MT_VEND_WRITE_CFG; + break; + default: + req = MT_VEND_MULTI_WRITE; + break; + } + offset = addr & ~MT_VEND_TYPE_MASK; + + put_unaligned_le32(val, usb->data); + __mt76u_vendor_request(dev, req, + USB_DIR_OUT | USB_TYPE_VENDOR, 0, + offset, usb->data, sizeof(__le32)); + trace_usb_reg_wr(dev, addr, val); +} + +void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + __mt76u_wr(dev, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); +} + +static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr, + u32 mask, u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + val |= __mt76u_rr(dev, addr) & ~mask; + __mt76u_wr(dev, addr, val); + mutex_unlock(&dev->usb.usb_ctrl_mtx); + + return val; +} + +static void mt76u_copy(struct mt76_dev *dev, u32 offset, + const void *data, int len) +{ + struct mt76_usb *usb = &dev->usb; + const u32 *val = data; + int i, ret; + + mutex_lock(&usb->usb_ctrl_mtx); + for (i = 0; i < (len / 4); i++) { + put_unaligned_le32(val[i], usb->data); + ret = __mt76u_vendor_request(dev, MT_VEND_MULTI_WRITE, + USB_DIR_OUT | USB_TYPE_VENDOR, + 0, offset + i * 4, usb->data, + sizeof(__le32)); + if (ret < 0) + break; + } + mutex_unlock(&usb->usb_ctrl_mtx); +} + +void mt76u_single_wr(struct mt76_dev *dev, const u8 req, + const u16 offset, const u32 val) +{ + mutex_lock(&dev->usb.usb_ctrl_mtx); + __mt76u_vendor_request(dev, req, + USB_DIR_OUT | USB_TYPE_VENDOR, + val & 0xffff, offset, NULL, 0); + __mt76u_vendor_request(dev, req, + USB_DIR_OUT | USB_TYPE_VENDOR, + val >> 16, offset + 2, NULL, 0); + mutex_unlock(&dev->usb.usb_ctrl_mtx); +} +EXPORT_SYMBOL_GPL(mt76u_single_wr); + +static int +mt76u_set_endpoints(struct usb_interface *intf, + struct mt76_usb *usb) +{ + struct usb_host_interface *intf_desc = intf->cur_altsetting; + struct usb_endpoint_descriptor *ep_desc; + int i, in_ep = 0, out_ep = 0; + + for (i = 0; i < intf_desc->desc.bNumEndpoints; i++) { + ep_desc = &intf_desc->endpoint[i].desc; + + if (usb_endpoint_is_bulk_in(ep_desc) && + in_ep < __MT_EP_IN_MAX) { + usb->in_ep[in_ep] = usb_endpoint_num(ep_desc); + usb->in_max_packet = usb_endpoint_maxp(ep_desc); + in_ep++; + } else if (usb_endpoint_is_bulk_out(ep_desc) && + out_ep < __MT_EP_OUT_MAX) { + usb->out_ep[out_ep] = usb_endpoint_num(ep_desc); + usb->out_max_packet = usb_endpoint_maxp(ep_desc); + out_ep++; + } + } + + if (in_ep != __MT_EP_IN_MAX || out_ep != __MT_EP_OUT_MAX) + return -EINVAL; + return 0; +} + +static int +mt76u_fill_rx_sg(struct mt76_dev *dev, struct mt76u_buf *buf, + int nsgs, int len, int sglen) +{ + struct urb *urb = buf->urb; + int i; + + for (i = 0; i < nsgs; i++) { + struct page *page; + void *data; + int offset; + + data = netdev_alloc_frag(len); + if (!data) + break; + + page = virt_to_head_page(data); + offset = data - page_address(page); + sg_set_page(&urb->sg[i], page, sglen, offset); + } + + if (i < nsgs) { + int j; + + for (j = nsgs; j < urb->num_sgs; j++) + skb_free_frag(sg_virt(&urb->sg[j])); + urb->num_sgs = i; + } + + urb->num_sgs = max_t(int, i, urb->num_sgs); + buf->len = urb->num_sgs * sglen, + sg_init_marker(urb->sg, urb->num_sgs); + + return i ? : -ENOMEM; +} + +int mt76u_buf_alloc(struct mt76_dev *dev, struct mt76u_buf *buf, + int nsgs, int len, int sglen, gfp_t gfp) +{ + buf->urb = usb_alloc_urb(0, gfp); + if (!buf->urb) + return -ENOMEM; + + buf->urb->sg = devm_kzalloc(dev->dev, nsgs * sizeof(*buf->urb->sg), + gfp); + if (!buf->urb->sg) + return -ENOMEM; + + sg_init_table(buf->urb->sg, nsgs); + buf->dev = dev; + + return mt76u_fill_rx_sg(dev, buf, nsgs, len, sglen); +} +EXPORT_SYMBOL_GPL(mt76u_buf_alloc); + +void mt76u_buf_free(struct mt76u_buf *buf) +{ + struct urb *urb = buf->urb; + int i; + + for (i = 0; i < urb->num_sgs; i++) + skb_free_frag(sg_virt(&urb->sg[i])); + usb_free_urb(buf->urb); +} +EXPORT_SYMBOL_GPL(mt76u_buf_free); + +int mt76u_submit_buf(struct mt76_dev *dev, int dir, int index, + struct mt76u_buf *buf, gfp_t gfp, + usb_complete_t complete_fn, void *context) +{ + struct usb_interface *intf = to_usb_interface(dev->dev); + struct usb_device *udev = interface_to_usbdev(intf); + unsigned int pipe; + + if (dir == USB_DIR_IN) + pipe = usb_rcvbulkpipe(udev, dev->usb.in_ep[index]); + else + pipe = usb_sndbulkpipe(udev, dev->usb.out_ep[index]); + + usb_fill_bulk_urb(buf->urb, udev, pipe, NULL, buf->len, + complete_fn, context); + + return usb_submit_urb(buf->urb, gfp); +} +EXPORT_SYMBOL_GPL(mt76u_submit_buf); + +static inline struct mt76u_buf +*mt76u_get_next_rx_entry(struct mt76_queue *q) +{ + struct mt76u_buf *buf = NULL; + unsigned long flags; + + spin_lock_irqsave(&q->lock, flags); + if (q->queued > 0) { + buf = &q->entry[q->head].ubuf; + q->head = (q->head + 1) % q->ndesc; + q->queued--; + } + spin_unlock_irqrestore(&q->lock, flags); + + return buf; +} + +static int mt76u_get_rx_entry_len(u8 *data, u32 data_len) +{ + u16 dma_len, min_len; + + dma_len = get_unaligned_le16(data); + min_len = MT_DMA_HDR_LEN + MT_RX_RXWI_LEN + + MT_FCE_INFO_LEN; + + if (data_len < min_len || WARN_ON(!dma_len) || + WARN_ON(dma_len + MT_DMA_HDR_LEN > data_len) || + WARN_ON(dma_len & 0x3)) + return -EINVAL; + return dma_len; +} + +static int +mt76u_process_rx_entry(struct mt76_dev *dev, struct urb *urb) +{ + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + u8 *data = sg_virt(&urb->sg[0]); + int data_len, len, nsgs = 1; + struct sk_buff *skb; + + if (!test_bit(MT76_STATE_INITIALIZED, &dev->state)) + return 0; + + len = mt76u_get_rx_entry_len(data, urb->actual_length); + if (len < 0) + return 0; + + skb = build_skb(data, q->buf_size); + if (!skb) + return 0; + + data_len = min_t(int, len, urb->sg[0].length - MT_DMA_HDR_LEN); + skb_reserve(skb, MT_DMA_HDR_LEN); + if (skb->tail + data_len > skb->end) { + dev_kfree_skb(skb); + return 1; + } + + __skb_put(skb, data_len); + len -= data_len; + + while (len > 0) { + data_len = min_t(int, len, urb->sg[nsgs].length); + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, + sg_page(&urb->sg[nsgs]), + urb->sg[nsgs].offset, + data_len, q->buf_size); + len -= data_len; + nsgs++; + } + dev->drv->rx_skb(dev, MT_RXQ_MAIN, skb); + + return nsgs; +} + +static void mt76u_complete_rx(struct urb *urb) +{ + struct mt76_dev *dev = urb->context; + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + unsigned long flags; + + switch (urb->status) { + case -ECONNRESET: + case -ESHUTDOWN: + case -ENOENT: + return; + default: + dev_err(dev->dev, "rx urb failed: %d\n", urb->status); + /* fall through */ + case 0: + break; + } + + spin_lock_irqsave(&q->lock, flags); + if (WARN_ONCE(q->entry[q->tail].ubuf.urb != urb, "rx urb mismatch")) + goto out; + + q->tail = (q->tail + 1) % q->ndesc; + q->queued++; + tasklet_schedule(&dev->usb.rx_tasklet); +out: + spin_unlock_irqrestore(&q->lock, flags); +} + +static void mt76u_rx_tasklet(unsigned long data) +{ + struct mt76_dev *dev = (struct mt76_dev *)data; + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + int err, nsgs, buf_len = q->buf_size; + struct mt76u_buf *buf; + + rcu_read_lock(); + + while (true) { + buf = mt76u_get_next_rx_entry(q); + if (!buf) + break; + + nsgs = mt76u_process_rx_entry(dev, buf->urb); + if (nsgs > 0) { + err = mt76u_fill_rx_sg(dev, buf, nsgs, + buf_len, + SKB_WITH_OVERHEAD(buf_len)); + if (err < 0) + break; + } + mt76u_submit_buf(dev, USB_DIR_IN, MT_EP_IN_PKT_RX, + buf, GFP_ATOMIC, + mt76u_complete_rx, dev); + } + mt76_rx_poll_complete(dev, MT_RXQ_MAIN, NULL); + + rcu_read_unlock(); +} + +int mt76u_submit_rx_buffers(struct mt76_dev *dev) +{ + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + unsigned long flags; + int i, err = 0; + + spin_lock_irqsave(&q->lock, flags); + for (i = 0; i < q->ndesc; i++) { + err = mt76u_submit_buf(dev, USB_DIR_IN, MT_EP_IN_PKT_RX, + &q->entry[i].ubuf, GFP_ATOMIC, + mt76u_complete_rx, dev); + if (err < 0) + break; + } + q->head = q->tail = 0; + q->queued = 0; + spin_unlock_irqrestore(&q->lock, flags); + + return err; +} +EXPORT_SYMBOL_GPL(mt76u_submit_rx_buffers); + +static int mt76u_alloc_rx(struct mt76_dev *dev) +{ + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + int i, err, nsgs; + + spin_lock_init(&q->lock); + q->entry = devm_kzalloc(dev->dev, + MT_NUM_RX_ENTRIES * sizeof(*q->entry), + GFP_KERNEL); + if (!q->entry) + return -ENOMEM; + + if (mt76u_check_sg(dev)) { + q->buf_size = MT_RX_BUF_SIZE; + nsgs = MT_SG_MAX_SIZE; + } else { + q->buf_size = PAGE_SIZE; + nsgs = 1; + } + + for (i = 0; i < MT_NUM_RX_ENTRIES; i++) { + err = mt76u_buf_alloc(dev, &q->entry[i].ubuf, + nsgs, q->buf_size, + SKB_WITH_OVERHEAD(q->buf_size), + GFP_KERNEL); + if (err < 0) + return err; + } + q->ndesc = MT_NUM_RX_ENTRIES; + + return mt76u_submit_rx_buffers(dev); +} + +static void mt76u_free_rx(struct mt76_dev *dev) +{ + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + int i; + + for (i = 0; i < q->ndesc; i++) + mt76u_buf_free(&q->entry[i].ubuf); +} + +static void mt76u_stop_rx(struct mt76_dev *dev) +{ + struct mt76_queue *q = &dev->q_rx[MT_RXQ_MAIN]; + int i; + + for (i = 0; i < q->ndesc; i++) + usb_kill_urb(q->entry[i].ubuf.urb); +} + +int mt76u_skb_dma_info(struct sk_buff *skb, int port, u32 flags) +{ + struct sk_buff *iter, *last = skb; + u32 info, pad; + + /* Buffer layout: + * | 4B | xfer len | pad | 4B | + * | TXINFO | pkt/cmd | zero pad to 4B | zero | + * + * length field of TXINFO should be set to 'xfer len'. + */ + info = FIELD_PREP(MT_TXD_INFO_LEN, round_up(skb->len, 4)) | + FIELD_PREP(MT_TXD_INFO_DPORT, port) | flags; + put_unaligned_le32(info, skb_push(skb, sizeof(info))); + + pad = round_up(skb->len, 4) + 4 - skb->len; + skb_walk_frags(skb, iter) { + last = iter; + if (!iter->next) { + skb->data_len += pad; + skb->len += pad; + break; + } + } + + if (unlikely(pad)) { + if (__skb_pad(last, pad, true)) + return -ENOMEM; + __skb_put(last, pad); + } + return 0; +} +EXPORT_SYMBOL_GPL(mt76u_skb_dma_info); + +static void mt76u_tx_tasklet(unsigned long data) +{ + struct mt76_dev *dev = (struct mt76_dev *)data; + struct mt76u_buf *buf; + struct mt76_queue *q; + bool wake; + int i; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + q = &dev->q_tx[i]; + + spin_lock_bh(&q->lock); + while (true) { + buf = &q->entry[q->head].ubuf; + if (!buf->done || !q->queued) + break; + + dev->drv->tx_complete_skb(dev, q, + &q->entry[q->head], + false); + + if (q->entry[q->head].schedule) { + q->entry[q->head].schedule = false; + q->swq_queued--; + } + + q->head = (q->head + 1) % q->ndesc; + q->queued--; + } + mt76_txq_schedule(dev, q); + wake = i < IEEE80211_NUM_ACS && q->queued < q->ndesc - 8; + if (!q->queued) + wake_up(&dev->tx_wait); + + spin_unlock_bh(&q->lock); + + if (!test_and_set_bit(MT76_READING_STATS, &dev->state)) + ieee80211_queue_delayed_work(dev->hw, + &dev->usb.stat_work, + msecs_to_jiffies(10)); + + if (wake) + ieee80211_wake_queue(dev->hw, i); + } +} + +static void mt76u_tx_status_data(struct work_struct *work) +{ + struct mt76_usb *usb; + struct mt76_dev *dev; + u8 update = 1; + u16 count = 0; + + usb = container_of(work, struct mt76_usb, stat_work.work); + dev = container_of(usb, struct mt76_dev, usb); + + while (true) { + if (test_bit(MT76_REMOVED, &dev->state)) + break; + + if (!dev->drv->tx_status_data(dev, &update)) + break; + count++; + } + + if (count && test_bit(MT76_STATE_RUNNING, &dev->state)) + ieee80211_queue_delayed_work(dev->hw, &usb->stat_work, + msecs_to_jiffies(10)); + else + clear_bit(MT76_READING_STATS, &dev->state); +} + +static void mt76u_complete_tx(struct urb *urb) +{ + struct mt76u_buf *buf = urb->context; + struct mt76_dev *dev = buf->dev; + + if (mt76u_urb_error(urb)) + dev_err(dev->dev, "tx urb failed: %d\n", urb->status); + buf->done = true; + + tasklet_schedule(&dev->usb.tx_tasklet); +} + +static int +mt76u_tx_build_sg(struct sk_buff *skb, struct urb *urb) +{ + int nsgs = 1 + skb_shinfo(skb)->nr_frags; + struct sk_buff *iter; + + skb_walk_frags(skb, iter) + nsgs += 1 + skb_shinfo(iter)->nr_frags; + + memset(urb->sg, 0, sizeof(*urb->sg) * MT_SG_MAX_SIZE); + + nsgs = min_t(int, MT_SG_MAX_SIZE, nsgs); + sg_init_marker(urb->sg, nsgs); + urb->num_sgs = nsgs; + + return skb_to_sgvec_nomark(skb, urb->sg, 0, skb->len); +} + +static int +mt76u_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q, + struct sk_buff *skb, struct mt76_wcid *wcid, + struct ieee80211_sta *sta) +{ + struct usb_interface *intf = to_usb_interface(dev->dev); + struct usb_device *udev = interface_to_usbdev(intf); + u8 ep = q2ep(q->hw_idx); + struct mt76u_buf *buf; + u16 idx = q->tail; + unsigned int pipe; + int err; + + if (q->queued == q->ndesc) + return -ENOSPC; + + err = dev->drv->tx_prepare_skb(dev, NULL, skb, q, wcid, sta, NULL); + if (err < 0) + return err; + + buf = &q->entry[idx].ubuf; + buf->done = false; + + err = mt76u_tx_build_sg(skb, buf->urb); + if (err < 0) + return err; + + pipe = usb_sndbulkpipe(udev, dev->usb.out_ep[ep]); + usb_fill_bulk_urb(buf->urb, udev, pipe, NULL, skb->len, + mt76u_complete_tx, buf); + + q->tail = (q->tail + 1) % q->ndesc; + q->entry[idx].skb = skb; + q->queued++; + + return idx; +} + +static void mt76u_tx_kick(struct mt76_dev *dev, struct mt76_queue *q) +{ + struct mt76u_buf *buf; + int err; + + while (q->first != q->tail) { + buf = &q->entry[q->first].ubuf; + err = usb_submit_urb(buf->urb, GFP_ATOMIC); + if (err < 0) { + if (err == -ENODEV) + set_bit(MT76_REMOVED, &dev->state); + else + dev_err(dev->dev, "tx urb submit failed:%d\n", + err); + break; + } + q->first = (q->first + 1) % q->ndesc; + } +} + +static int mt76u_alloc_tx(struct mt76_dev *dev) +{ + struct mt76u_buf *buf; + struct mt76_queue *q; + size_t size; + int i, j; + + size = MT_SG_MAX_SIZE * sizeof(struct scatterlist); + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + q = &dev->q_tx[i]; + spin_lock_init(&q->lock); + INIT_LIST_HEAD(&q->swq); + q->hw_idx = q2hwq(i); + + q->entry = devm_kzalloc(dev->dev, + MT_NUM_TX_ENTRIES * sizeof(*q->entry), + GFP_KERNEL); + if (!q->entry) + return -ENOMEM; + + q->ndesc = MT_NUM_TX_ENTRIES; + for (j = 0; j < q->ndesc; j++) { + buf = &q->entry[j].ubuf; + buf->dev = dev; + + buf->urb = usb_alloc_urb(0, GFP_KERNEL); + if (!buf->urb) + return -ENOMEM; + + buf->urb->sg = devm_kzalloc(dev->dev, size, GFP_KERNEL); + if (!buf->urb->sg) + return -ENOMEM; + } + } + return 0; +} + +static void mt76u_free_tx(struct mt76_dev *dev) +{ + struct mt76_queue *q; + int i, j; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + q = &dev->q_tx[i]; + for (j = 0; j < q->ndesc; j++) + usb_free_urb(q->entry[j].ubuf.urb); + } +} + +static void mt76u_stop_tx(struct mt76_dev *dev) +{ + struct mt76_queue *q; + int i, j; + + for (i = 0; i < IEEE80211_NUM_ACS; i++) { + q = &dev->q_tx[i]; + for (j = 0; j < q->ndesc; j++) + usb_kill_urb(q->entry[j].ubuf.urb); + } +} + +void mt76u_stop_queues(struct mt76_dev *dev) +{ + tasklet_disable(&dev->usb.rx_tasklet); + tasklet_disable(&dev->usb.tx_tasklet); + + mt76u_stop_rx(dev); + mt76u_stop_tx(dev); +} +EXPORT_SYMBOL_GPL(mt76u_stop_queues); + +void mt76u_stop_stat_wk(struct mt76_dev *dev) +{ + cancel_delayed_work_sync(&dev->usb.stat_work); + clear_bit(MT76_READING_STATS, &dev->state); +} +EXPORT_SYMBOL_GPL(mt76u_stop_stat_wk); + +void mt76u_queues_deinit(struct mt76_dev *dev) +{ + mt76u_stop_queues(dev); + + mt76u_free_rx(dev); + mt76u_free_tx(dev); +} +EXPORT_SYMBOL_GPL(mt76u_queues_deinit); + +int mt76u_alloc_queues(struct mt76_dev *dev) +{ + int err; + + err = mt76u_alloc_rx(dev); + if (err < 0) + goto err; + + err = mt76u_alloc_tx(dev); + if (err < 0) + goto err; + + return 0; +err: + mt76u_queues_deinit(dev); + return err; +} +EXPORT_SYMBOL_GPL(mt76u_alloc_queues); + +static const struct mt76_queue_ops usb_queue_ops = { + .tx_queue_skb = mt76u_tx_queue_skb, + .kick = mt76u_tx_kick, +}; + +int mt76u_init(struct mt76_dev *dev, + struct usb_interface *intf) +{ + static const struct mt76_bus_ops mt76u_ops = { + .rr = mt76u_rr, + .wr = mt76u_wr, + .rmw = mt76u_rmw, + .copy = mt76u_copy, + }; + struct mt76_usb *usb = &dev->usb; + + tasklet_init(&usb->rx_tasklet, mt76u_rx_tasklet, (unsigned long)dev); + tasklet_init(&usb->tx_tasklet, mt76u_tx_tasklet, (unsigned long)dev); + INIT_DELAYED_WORK(&usb->stat_work, mt76u_tx_status_data); + skb_queue_head_init(&dev->rx_skb[MT_RXQ_MAIN]); + + init_completion(&usb->mcu.cmpl); + mutex_init(&usb->mcu.mutex); + + mutex_init(&usb->usb_ctrl_mtx); + dev->bus = &mt76u_ops; + dev->queue_ops = &usb_queue_ops; + + return mt76u_set_endpoints(intf, usb); +} +EXPORT_SYMBOL_GPL(mt76u_init); + +MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>"); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/wireless/mediatek/mt76/usb_mcu.c b/drivers/net/wireless/mediatek/mt76/usb_mcu.c new file mode 100644 index 000000000000..070be803d463 --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/usb_mcu.c @@ -0,0 +1,242 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/firmware.h> + +#include "mt76.h" +#include "dma.h" + +#define MT_CMD_HDR_LEN 4 + +#define MT_FCE_DMA_ADDR 0x0230 +#define MT_FCE_DMA_LEN 0x0234 + +#define MT_TX_CPU_FROM_FCE_CPU_DESC_IDX 0x09a8 + +struct sk_buff *mt76u_mcu_msg_alloc(const void *data, int len) +{ + struct sk_buff *skb; + + skb = alloc_skb(MT_CMD_HDR_LEN + len + 8, GFP_KERNEL); + if (!skb) + return NULL; + + skb_reserve(skb, MT_CMD_HDR_LEN); + skb_put_data(skb, data, len); + + return skb; +} +EXPORT_SYMBOL_GPL(mt76u_mcu_msg_alloc); + +void mt76u_mcu_complete_urb(struct urb *urb) +{ + struct completion *cmpl = urb->context; + + complete(cmpl); +} +EXPORT_SYMBOL_GPL(mt76u_mcu_complete_urb); + +static int mt76u_mcu_wait_resp(struct mt76_dev *dev, u8 seq) +{ + struct mt76_usb *usb = &dev->usb; + struct mt76u_buf *buf = &usb->mcu.res; + int i, ret; + u32 rxfce; + + for (i = 0; i < 5; i++) { + if (!wait_for_completion_timeout(&usb->mcu.cmpl, + msecs_to_jiffies(300))) + continue; + + if (buf->urb->status) + return -EIO; + + rxfce = get_unaligned_le32(sg_virt(&buf->urb->sg[0])); + ret = mt76u_submit_buf(dev, USB_DIR_IN, + MT_EP_IN_CMD_RESP, + buf, GFP_KERNEL, + mt76u_mcu_complete_urb, + &usb->mcu.cmpl); + if (ret) + return ret; + + if (seq == FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce)) + return 0; + + dev_err(dev->dev, "error: MCU resp evt:%lx seq:%hhx-%lx\n", + FIELD_GET(MT_RX_FCE_INFO_EVT_TYPE, rxfce), + seq, FIELD_GET(MT_RX_FCE_INFO_CMD_SEQ, rxfce)); + } + + dev_err(dev->dev, "error: %s timed out\n", __func__); + return -ETIMEDOUT; +} + +int mt76u_mcu_send_msg(struct mt76_dev *dev, struct sk_buff *skb, + int cmd, bool wait_resp) +{ + struct usb_interface *intf = to_usb_interface(dev->dev); + struct usb_device *udev = interface_to_usbdev(intf); + struct mt76_usb *usb = &dev->usb; + unsigned int pipe; + int ret, sent; + u8 seq = 0; + u32 info; + + if (test_bit(MT76_REMOVED, &dev->state)) + return 0; + + mutex_lock(&usb->mcu.mutex); + + pipe = usb_sndbulkpipe(udev, usb->out_ep[MT_EP_OUT_INBAND_CMD]); + if (wait_resp) { + seq = ++usb->mcu.msg_seq & 0xf; + if (!seq) + seq = ++usb->mcu.msg_seq & 0xf; + } + + info = FIELD_PREP(MT_MCU_MSG_CMD_SEQ, seq) | + FIELD_PREP(MT_MCU_MSG_CMD_TYPE, cmd) | + MT_MCU_MSG_TYPE_CMD; + ret = mt76u_skb_dma_info(skb, CPU_TX_PORT, info); + if (ret) + goto out; + + ret = usb_bulk_msg(udev, pipe, skb->data, skb->len, &sent, 500); + if (ret) + goto out; + + if (wait_resp) + ret = mt76u_mcu_wait_resp(dev, seq); + +out: + mutex_unlock(&usb->mcu.mutex); + + consume_skb(skb); + + return ret; +} +EXPORT_SYMBOL_GPL(mt76u_mcu_send_msg); + +void mt76u_mcu_fw_reset(struct mt76_dev *dev) +{ + mt76u_vendor_request(dev, MT_VEND_DEV_MODE, + USB_DIR_OUT | USB_TYPE_VENDOR, + 0x1, 0, NULL, 0); +} +EXPORT_SYMBOL_GPL(mt76u_mcu_fw_reset); + +static int +__mt76u_mcu_fw_send_data(struct mt76_dev *dev, struct mt76u_buf *buf, + const void *fw_data, int len, u32 dst_addr) +{ + u8 *data = sg_virt(&buf->urb->sg[0]); + DECLARE_COMPLETION_ONSTACK(cmpl); + __le32 info; + u32 val; + int err; + + info = cpu_to_le32(FIELD_PREP(MT_MCU_MSG_PORT, CPU_TX_PORT) | + FIELD_PREP(MT_MCU_MSG_LEN, len) | + MT_MCU_MSG_TYPE_CMD); + + memcpy(data, &info, sizeof(info)); + memcpy(data + sizeof(info), fw_data, len); + memset(data + sizeof(info) + len, 0, 4); + + mt76u_single_wr(dev, MT_VEND_WRITE_FCE, + MT_FCE_DMA_ADDR, dst_addr); + len = roundup(len, 4); + mt76u_single_wr(dev, MT_VEND_WRITE_FCE, + MT_FCE_DMA_LEN, len << 16); + + buf->len = MT_CMD_HDR_LEN + len + sizeof(info); + err = mt76u_submit_buf(dev, USB_DIR_OUT, + MT_EP_OUT_INBAND_CMD, + buf, GFP_KERNEL, + mt76u_mcu_complete_urb, &cmpl); + if (err < 0) + return err; + + if (!wait_for_completion_timeout(&cmpl, + msecs_to_jiffies(1000))) { + dev_err(dev->dev, "firmware upload timed out\n"); + usb_kill_urb(buf->urb); + return -ETIMEDOUT; + } + + if (mt76u_urb_error(buf->urb)) { + dev_err(dev->dev, "firmware upload failed: %d\n", + buf->urb->status); + return buf->urb->status; + } + + val = mt76u_rr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX); + val++; + mt76u_wr(dev, MT_TX_CPU_FROM_FCE_CPU_DESC_IDX, val); + + return 0; +} + +int mt76u_mcu_fw_send_data(struct mt76_dev *dev, const void *data, + int data_len, u32 max_payload, u32 offset) +{ + int err, len, pos = 0, max_len = max_payload - 8; + struct mt76u_buf buf; + + err = mt76u_buf_alloc(dev, &buf, 1, max_payload, max_payload, + GFP_KERNEL); + if (err < 0) + return err; + + while (data_len > 0) { + len = min_t(int, data_len, max_len); + err = __mt76u_mcu_fw_send_data(dev, &buf, data + pos, + len, offset + pos); + if (err < 0) + break; + + data_len -= len; + pos += len; + usleep_range(5000, 10000); + } + mt76u_buf_free(&buf); + + return err; +} +EXPORT_SYMBOL_GPL(mt76u_mcu_fw_send_data); + +int mt76u_mcu_init_rx(struct mt76_dev *dev) +{ + struct mt76_usb *usb = &dev->usb; + int err; + + err = mt76u_buf_alloc(dev, &usb->mcu.res, 1, + MCU_RESP_URB_SIZE, MCU_RESP_URB_SIZE, + GFP_KERNEL); + if (err < 0) + return err; + + err = mt76u_submit_buf(dev, USB_DIR_IN, MT_EP_IN_CMD_RESP, + &usb->mcu.res, GFP_KERNEL, + mt76u_mcu_complete_urb, + &usb->mcu.cmpl); + if (err < 0) + mt76u_buf_free(&usb->mcu.res); + + return err; +} +EXPORT_SYMBOL_GPL(mt76u_mcu_init_rx); diff --git a/drivers/net/wireless/mediatek/mt76/usb_trace.c b/drivers/net/wireless/mediatek/mt76/usb_trace.c new file mode 100644 index 000000000000..7e1f540f0b7a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/usb_trace.c @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <linux/module.h> + +#ifndef __CHECKER__ +#define CREATE_TRACE_POINTS +#include "usb_trace.h" + +#endif diff --git a/drivers/net/wireless/mediatek/mt76/usb_trace.h b/drivers/net/wireless/mediatek/mt76/usb_trace.h new file mode 100644 index 000000000000..52db7012304a --- /dev/null +++ b/drivers/net/wireless/mediatek/mt76/usb_trace.h @@ -0,0 +1,71 @@ +/* + * Copyright (C) 2018 Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#if !defined(__MT76_USB_TRACE_H) || defined(TRACE_HEADER_MULTI_READ) +#define __MT76_USB_TRACE_H + +#include <linux/tracepoint.h> +#include "mt76.h" + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM mt76_usb + +#define MAXNAME 32 +#define DEV_ENTRY __array(char, wiphy_name, 32) +#define DEV_ASSIGN strlcpy(__entry->wiphy_name, wiphy_name(dev->hw->wiphy), MAXNAME) +#define DEV_PR_FMT "%s" +#define DEV_PR_ARG __entry->wiphy_name + +#define REG_ENTRY __field(u32, reg) __field(u32, val) +#define REG_ASSIGN __entry->reg = reg; __entry->val = val +#define REG_PR_FMT " %04x=%08x" +#define REG_PR_ARG __entry->reg, __entry->val + +DECLARE_EVENT_CLASS(dev_reg_evt, + TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val), + TP_ARGS(dev, reg, val), + TP_STRUCT__entry( + DEV_ENTRY + REG_ENTRY + ), + TP_fast_assign( + DEV_ASSIGN; + REG_ASSIGN; + ), + TP_printk( + DEV_PR_FMT REG_PR_FMT, + DEV_PR_ARG, REG_PR_ARG + ) +); + +DEFINE_EVENT(dev_reg_evt, usb_reg_rr, + TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val), + TP_ARGS(dev, reg, val) +); + +DEFINE_EVENT(dev_reg_evt, usb_reg_wr, + TP_PROTO(struct mt76_dev *dev, u32 reg, u32 val), + TP_ARGS(dev, reg, val) +); + +#endif + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH . +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE usb_trace + +#include <trace/define_trace.h> diff --git a/drivers/net/wireless/mediatek/mt7601u/init.c b/drivers/net/wireless/mediatek/mt7601u/init.c index d3b611aaf061..faea99b7a445 100644 --- a/drivers/net/wireless/mediatek/mt7601u/init.c +++ b/drivers/net/wireless/mediatek/mt7601u/init.c @@ -603,6 +603,7 @@ int mt7601u_register_device(struct mt7601u_dev *dev) ieee80211_hw_set(hw, SUPPORTS_HT_CCK_RATES); ieee80211_hw_set(hw, AMPDU_AGGREGATION); ieee80211_hw_set(hw, SUPPORTS_RC_TABLE); + ieee80211_hw_set(hw, MFP_CAPABLE); hw->max_rates = 1; hw->max_report_rates = 7; hw->max_rate_tries = 1; diff --git a/drivers/net/wireless/mediatek/mt7601u/main.c b/drivers/net/wireless/mediatek/mt7601u/main.c index 7b21016012c3..0f1789020960 100644 --- a/drivers/net/wireless/mediatek/mt7601u/main.c +++ b/drivers/net/wireless/mediatek/mt7601u/main.c @@ -308,6 +308,17 @@ mt7601u_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, int idx = key->keyidx; int ret; + /* fall back to sw encryption for unsupported ciphers */ + switch (key->cipher) { + case WLAN_CIPHER_SUITE_WEP40: + case WLAN_CIPHER_SUITE_WEP104: + case WLAN_CIPHER_SUITE_TKIP: + case WLAN_CIPHER_SUITE_CCMP: + break; + default: + return -EOPNOTSUPP; + } + if (cmd == SET_KEY) { key->hw_key_idx = wcid->idx; wcid->hw_key_idx = idx; diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c index 9d2f9a776ef1..b804abd464ae 100644 --- a/drivers/net/wireless/mediatek/mt7601u/phy.c +++ b/drivers/net/wireless/mediatek/mt7601u/phy.c @@ -986,13 +986,15 @@ static void mt7601u_agc_tune(struct mt7601u_dev *dev) */ spin_lock_bh(&dev->con_mon_lock); avg_rssi = ewma_rssi_read(&dev->avg_rssi); - WARN_ON_ONCE(avg_rssi == 0); + spin_unlock_bh(&dev->con_mon_lock); + if (avg_rssi == 0) + return; + avg_rssi = -avg_rssi; if (avg_rssi <= -70) val -= 0x20; else if (avg_rssi <= -60) val -= 0x10; - spin_unlock_bh(&dev->con_mon_lock); if (val != mt7601u_bbp_rr(dev, 66)) mt7601u_bbp_wr(dev, 66, val); |