diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/Makefile | 6 | ||||
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c | 279 | ||||
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h | 19 | ||||
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c | 211 | ||||
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/util.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/quantenna/qtnfmac/util.h | 2 |
7 files changed, 292 insertions, 251 deletions
diff --git a/drivers/net/wireless/quantenna/qtnfmac/Kconfig b/drivers/net/wireless/quantenna/qtnfmac/Kconfig index b8c12a5f16b4..696c50066b53 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/Kconfig +++ b/drivers/net/wireless/quantenna/qtnfmac/Kconfig @@ -1,10 +1,10 @@ config QTNFMAC tristate - depends on QTNFMAC_PEARL_PCIE - default m if QTNFMAC_PEARL_PCIE=m - default y if QTNFMAC_PEARL_PCIE=y + depends on QTNFMAC_PCIE + default m if QTNFMAC_PCIE=m + default y if QTNFMAC_PCIE=y -config QTNFMAC_PEARL_PCIE +config QTNFMAC_PCIE tristate "Quantenna QSR10g PCIe support" default n depends on PCI && CFG80211 @@ -16,4 +16,4 @@ config QTNFMAC_PEARL_PCIE 802.11ac QSR10g (aka Pearl) FullMAC chipset running over PCIe. If you choose to build it as a module, two modules will be built: - qtnfmac.ko and qtnfmac_pearl_pcie.ko. + qtnfmac.ko and qtnfmac_pcie.ko. diff --git a/drivers/net/wireless/quantenna/qtnfmac/Makefile b/drivers/net/wireless/quantenna/qtnfmac/Makefile index 17cd7adb4109..d7e8185fddab 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/Makefile +++ b/drivers/net/wireless/quantenna/qtnfmac/Makefile @@ -19,11 +19,11 @@ qtnfmac-objs += \ # -obj-$(CONFIG_QTNFMAC_PEARL_PCIE) += qtnfmac_pearl_pcie.o +obj-$(CONFIG_QTNFMAC_PCIE) += qtnfmac_pcie.o -qtnfmac_pearl_pcie-objs += \ +qtnfmac_pcie-objs += \ shm_ipc.o \ pcie/pcie.o \ pcie/pearl_pcie.o -qtnfmac_pearl_pcie-$(CONFIG_DEBUG_FS) += debug.o +qtnfmac_pcie-$(CONFIG_DEBUG_FS) += debug.o diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c index 16795dbe475b..70dd8da5b0dc 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0+ /* Copyright (c) 2018 Quantenna Communications, Inc. All rights reserved. */ +#include <linux/module.h> #include <linux/printk.h> #include <linux/pci.h> #include <linux/spinlock.h> @@ -15,14 +16,37 @@ #include "shm_ipc.h" #include "core.h" #include "debug.h" - -#undef pr_fmt -#define pr_fmt(fmt) "qtnf_pcie: %s: " fmt, __func__ +#include "util.h" +#include "qtn_hw_ids.h" #define QTN_SYSCTL_BAR 0 #define QTN_SHMEM_BAR 2 #define QTN_DMA_BAR 3 +#define QTN_PCIE_MAX_FW_BUFSZ (1 * 1024 * 1024) + +static bool use_msi = true; +module_param(use_msi, bool, 0644); +MODULE_PARM_DESC(use_msi, "set 0 to use legacy interrupt"); + +static unsigned int tx_bd_size_param; +module_param(tx_bd_size_param, uint, 0644); +MODULE_PARM_DESC(tx_bd_size_param, "Tx descriptors queue size"); + +static unsigned int rx_bd_size_param = 256; +module_param(rx_bd_size_param, uint, 0644); +MODULE_PARM_DESC(rx_bd_size_param, "Rx descriptors queue size"); + +static u8 flashboot = 1; +module_param(flashboot, byte, 0644); +MODULE_PARM_DESC(flashboot, "set to 0 to use FW binary file on FS"); + +static unsigned int fw_blksize_param = QTN_PCIE_MAX_FW_BUFSZ; +module_param(fw_blksize_param, uint, 0644); +MODULE_PARM_DESC(fw_blksize_param, "firmware loading block size in bytes"); + +#define DRV_NAME "qtnfmac_pcie" + int qtnf_pcie_control_tx(struct qtnf_bus *bus, struct sk_buff *skb) { struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus); @@ -58,7 +82,7 @@ int qtnf_pcie_alloc_skb_array(struct qtnf_pcie_bus_priv *priv) return 0; } -void qtnf_pcie_bringup_fw_async(struct qtnf_bus *bus) +static void qtnf_pcie_bringup_fw_async(struct qtnf_bus *bus) { struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus); struct pci_dev *pdev = priv->pdev; @@ -72,7 +96,7 @@ static int qtnf_dbg_mps_show(struct seq_file *s, void *data) struct qtnf_bus *bus = dev_get_drvdata(s->private); struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus); - seq_printf(s, "%d\n", priv->mps); + seq_printf(s, "%d\n", pcie_get_mps(priv->pdev)); return 0; } @@ -104,8 +128,7 @@ static int qtnf_dbg_shm_stats(struct seq_file *s, void *data) return 0; } -void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success, - const char *drv_name) +void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success) { struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus); struct pci_dev *pdev = priv->pdev; @@ -122,7 +145,7 @@ void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success, } if (boot_success) { - qtnf_debugfs_init(bus, drv_name); + qtnf_debugfs_init(bus, DRV_NAME); qtnf_debugfs_add_entry(bus, "mps", qtnf_dbg_mps_show); qtnf_debugfs_add_entry(bus, "msi_enabled", qtnf_dbg_msi_show); qtnf_debugfs_add_entry(bus, "shm_stats", qtnf_dbg_shm_stats); @@ -133,9 +156,8 @@ void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success, put_device(&pdev->dev); } -static void qtnf_tune_pcie_mps(struct qtnf_pcie_bus_priv *priv) +static void qtnf_tune_pcie_mps(struct pci_dev *pdev) { - struct pci_dev *pdev = priv->pdev; struct pci_dev *parent; int mps_p, mps_o, mps_m, mps; int ret; @@ -163,12 +185,10 @@ static void qtnf_tune_pcie_mps(struct qtnf_pcie_bus_priv *priv) if (ret) { pr_err("failed to set mps to %d, keep using current %d\n", mps, mps_o); - priv->mps = mps_o; return; } pr_debug("set mps to %d (was %d, max %d)\n", mps, mps_o, mps_m); - priv->mps = mps; } static void qtnf_pcie_init_irq(struct qtnf_pcie_bus_priv *priv, bool use_msi) @@ -194,20 +214,20 @@ static void qtnf_pcie_init_irq(struct qtnf_pcie_bus_priv *priv, bool use_msi) } } -static void __iomem *qtnf_map_bar(struct qtnf_pcie_bus_priv *priv, u8 index) +static void __iomem *qtnf_map_bar(struct pci_dev *pdev, u8 index) { void __iomem *vaddr; dma_addr_t busaddr; size_t len; int ret; - ret = pcim_iomap_regions(priv->pdev, 1 << index, "qtnfmac_pcie"); + ret = pcim_iomap_regions(pdev, 1 << index, "qtnfmac_pcie"); if (ret) return IOMEM_ERR_PTR(ret); - busaddr = pci_resource_start(priv->pdev, index); - len = pci_resource_len(priv->pdev, index); - vaddr = pcim_iomap_table(priv->pdev)[index]; + busaddr = pci_resource_start(pdev, index); + len = pci_resource_len(pdev, index); + vaddr = pcim_iomap_table(pdev)[index]; if (!vaddr) return IOMEM_ERR_PTR(-ENOMEM); @@ -217,31 +237,6 @@ static void __iomem *qtnf_map_bar(struct qtnf_pcie_bus_priv *priv, u8 index) return vaddr; } -static int qtnf_pcie_init_memory(struct qtnf_pcie_bus_priv *priv) -{ - int ret = -ENOMEM; - - priv->sysctl_bar = qtnf_map_bar(priv, QTN_SYSCTL_BAR); - if (IS_ERR(priv->sysctl_bar)) { - pr_err("failed to map BAR%u\n", QTN_SYSCTL_BAR); - return ret; - } - - priv->dmareg_bar = qtnf_map_bar(priv, QTN_DMA_BAR); - if (IS_ERR(priv->dmareg_bar)) { - pr_err("failed to map BAR%u\n", QTN_DMA_BAR); - return ret; - } - - priv->epmem_bar = qtnf_map_bar(priv, QTN_SHMEM_BAR); - if (IS_ERR(priv->epmem_bar)) { - pr_err("failed to map BAR%u\n", QTN_SHMEM_BAR); - return ret; - } - - return 0; -} - static void qtnf_pcie_control_rx_callback(void *arg, const u8 __iomem *buf, size_t len) { @@ -282,27 +277,80 @@ void qtnf_pcie_init_shm_ipc(struct qtnf_pcie_bus_priv *priv, ipc_int, &rx_callback); } -int qtnf_pcie_probe(struct pci_dev *pdev, size_t priv_size, - const struct qtnf_bus_ops *bus_ops, u64 dma_mask, - bool use_msi) +static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct qtnf_pcie_bus_priv *pcie_priv; struct qtnf_bus *bus; + void __iomem *sysctl_bar; + void __iomem *epmem_bar; + void __iomem *dmareg_bar; + unsigned int chipid; int ret; - bus = devm_kzalloc(&pdev->dev, - sizeof(*bus) + priv_size, GFP_KERNEL); + if (!pci_is_pcie(pdev)) { + pr_err("device %s is not PCI Express\n", pci_name(pdev)); + return -EIO; + } + + qtnf_tune_pcie_mps(pdev); + + ret = pcim_enable_device(pdev); + if (ret) { + pr_err("failed to init PCI device %x\n", pdev->device); + return ret; + } + + pci_set_master(pdev); + + sysctl_bar = qtnf_map_bar(pdev, QTN_SYSCTL_BAR); + if (IS_ERR(sysctl_bar)) { + pr_err("failed to map BAR%u\n", QTN_SYSCTL_BAR); + return ret; + } + + dmareg_bar = qtnf_map_bar(pdev, QTN_DMA_BAR); + if (IS_ERR(dmareg_bar)) { + pr_err("failed to map BAR%u\n", QTN_DMA_BAR); + return ret; + } + + epmem_bar = qtnf_map_bar(pdev, QTN_SHMEM_BAR); + if (IS_ERR(epmem_bar)) { + pr_err("failed to map BAR%u\n", QTN_SHMEM_BAR); + return ret; + } + + chipid = qtnf_chip_id_get(sysctl_bar); + + pr_info("identified device: %s\n", qtnf_chipid_to_string(chipid)); + + switch (chipid) { + case QTN_CHIP_ID_PEARL: + case QTN_CHIP_ID_PEARL_B: + case QTN_CHIP_ID_PEARL_C: + bus = qtnf_pcie_pearl_alloc(pdev); + break; + default: + pr_err("unsupported chip ID 0x%x\n", chipid); + return -ENOTSUPP; + } + if (!bus) return -ENOMEM; pcie_priv = get_bus_priv(bus); - pci_set_drvdata(pdev, bus); - bus->bus_ops = bus_ops; bus->dev = &pdev->dev; bus->fw_state = QTNF_FW_STATE_RESET; pcie_priv->pdev = pdev; pcie_priv->tx_stopped = 0; + pcie_priv->rx_bd_num = rx_bd_size_param; + pcie_priv->flashboot = flashboot; + + if (fw_blksize_param > QTN_PCIE_MAX_FW_BUFSZ) + pcie_priv->fw_blksize = QTN_PCIE_MAX_FW_BUFSZ; + else + pcie_priv->fw_blksize = fw_blksize_param; mutex_init(&bus->bus_lock); spin_lock_init(&pcie_priv->tx_lock); @@ -317,53 +365,35 @@ int qtnf_pcie_probe(struct pci_dev *pdev, size_t priv_size, pcie_priv->workqueue = create_singlethread_workqueue("QTNF_PCIE"); if (!pcie_priv->workqueue) { pr_err("failed to alloc bus workqueue\n"); - ret = -ENODEV; - goto err_init; - } - - init_dummy_netdev(&bus->mux_dev); - - if (!pci_is_pcie(pdev)) { - pr_err("device %s is not PCI Express\n", pci_name(pdev)); - ret = -EIO; - goto err_base; + return -ENODEV; } - qtnf_tune_pcie_mps(pcie_priv); - - ret = pcim_enable_device(pdev); + ret = dma_set_mask_and_coherent(&pdev->dev, + pcie_priv->dma_mask_get_cb()); if (ret) { - pr_err("failed to init PCI device %x\n", pdev->device); - goto err_base; - } else { - pr_debug("successful init of PCI device %x\n", pdev->device); + pr_err("PCIE DMA coherent mask init failed 0x%llx\n", + pcie_priv->dma_mask_get_cb()); + goto error; } - ret = dma_set_mask_and_coherent(&pdev->dev, dma_mask); - if (ret) { - pr_err("PCIE DMA coherent mask init failed\n"); - goto err_base; - } - - pci_set_master(pdev); + init_dummy_netdev(&bus->mux_dev); qtnf_pcie_init_irq(pcie_priv, use_msi); - - ret = qtnf_pcie_init_memory(pcie_priv); - if (ret < 0) { - pr_err("PCIE memory init failed\n"); - goto err_base; - } - + pcie_priv->sysctl_bar = sysctl_bar; + pcie_priv->dmareg_bar = dmareg_bar; + pcie_priv->epmem_bar = epmem_bar; pci_save_state(pdev); + ret = pcie_priv->probe_cb(bus, tx_bd_size_param); + if (ret) + goto error; + + qtnf_pcie_bringup_fw_async(bus); return 0; -err_base: +error: flush_workqueue(pcie_priv->workqueue); destroy_workqueue(pcie_priv->workqueue); -err_init: pci_set_drvdata(pdev, NULL); - return ret; } @@ -373,8 +403,17 @@ static void qtnf_pcie_free_shm_ipc(struct qtnf_pcie_bus_priv *priv) qtnf_shm_ipc_free(&priv->shm_ipc_ep_out); } -void qtnf_pcie_remove(struct qtnf_bus *bus, struct qtnf_pcie_bus_priv *priv) +static void qtnf_pcie_remove(struct pci_dev *dev) { + struct qtnf_pcie_bus_priv *priv; + struct qtnf_bus *bus; + + bus = pci_get_drvdata(dev); + if (!bus) + return; + + priv = get_bus_priv(bus); + cancel_work_sync(&bus->fw_work); if (bus->fw_state == QTNF_FW_STATE_ACTIVE || @@ -388,5 +427,77 @@ void qtnf_pcie_remove(struct qtnf_bus *bus, struct qtnf_pcie_bus_priv *priv) qtnf_pcie_free_shm_ipc(priv); qtnf_debugfs_remove(bus); + priv->remove_cb(bus); pci_set_drvdata(priv->pdev, NULL); } + +#ifdef CONFIG_PM_SLEEP +static int qtnf_pcie_suspend(struct device *dev) +{ + struct qtnf_pcie_bus_priv *priv; + struct qtnf_bus *bus; + + bus = pci_get_drvdata(to_pci_dev(dev)); + if (!bus) + return -EFAULT; + + priv = get_bus_priv(bus); + return priv->suspend_cb(bus); +} + +static int qtnf_pcie_resume(struct device *dev) +{ + struct qtnf_pcie_bus_priv *priv; + struct qtnf_bus *bus; + + bus = pci_get_drvdata(to_pci_dev(dev)); + if (!bus) + return -EFAULT; + + priv = get_bus_priv(bus); + return priv->resume_cb(bus); +} + +/* Power Management Hooks */ +static SIMPLE_DEV_PM_OPS(qtnf_pcie_pm_ops, qtnf_pcie_suspend, + qtnf_pcie_resume); +#endif + +static const struct pci_device_id qtnf_pcie_devid_table[] = { + { + PCIE_VENDOR_ID_QUANTENNA, PCIE_DEVICE_ID_QTN_PEARL, + PCI_ANY_ID, PCI_ANY_ID, 0, 0, + }, + { }, +}; + +MODULE_DEVICE_TABLE(pci, qtnf_pcie_devid_table); + +static struct pci_driver qtnf_pcie_drv_data = { + .name = DRV_NAME, + .id_table = qtnf_pcie_devid_table, + .probe = qtnf_pcie_probe, + .remove = qtnf_pcie_remove, +#ifdef CONFIG_PM_SLEEP + .driver = { + .pm = &qtnf_pcie_pm_ops, + }, +#endif +}; + +static int __init qtnf_pcie_register(void) +{ + return pci_register_driver(&qtnf_pcie_drv_data); +} + +static void __exit qtnf_pcie_exit(void) +{ + pci_unregister_driver(&qtnf_pcie_drv_data); +} + +module_init(qtnf_pcie_register); +module_exit(qtnf_pcie_exit); + +MODULE_AUTHOR("Quantenna Communications"); +MODULE_DESCRIPTION("Quantenna PCIe bus driver for 802.11 wireless LAN."); +MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h index 5c70fb4c0f92..7c742c56efaf 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pcie_priv.h @@ -23,9 +23,14 @@ struct qtnf_pcie_bus_priv { struct pci_dev *pdev; + int (*probe_cb)(struct qtnf_bus *bus, unsigned int tx_bd_size); + void (*remove_cb)(struct qtnf_bus *bus); + int (*suspend_cb)(struct qtnf_bus *bus); + int (*resume_cb)(struct qtnf_bus *bus); + u64 (*dma_mask_get_cb)(void); + spinlock_t tx_reclaim_lock; spinlock_t tx_lock; - int mps; struct workqueue_struct *workqueue; struct tasklet_struct reclaim_tq; @@ -43,6 +48,8 @@ struct qtnf_pcie_bus_priv { struct sk_buff **tx_skb; struct sk_buff **rx_skb; + unsigned int fw_blksize; + u32 rx_bd_w_index; u32 rx_bd_r_index; @@ -58,21 +65,17 @@ struct qtnf_pcie_bus_priv { u8 msi_enabled; u8 tx_stopped; + bool flashboot; }; int qtnf_pcie_control_tx(struct qtnf_bus *bus, struct sk_buff *skb); int qtnf_pcie_alloc_skb_array(struct qtnf_pcie_bus_priv *priv); -void qtnf_pcie_bringup_fw_async(struct qtnf_bus *bus); -void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success, - const char *drv_name); +void qtnf_pcie_fw_boot_done(struct qtnf_bus *bus, bool boot_success); void qtnf_pcie_init_shm_ipc(struct qtnf_pcie_bus_priv *priv, struct qtnf_shm_ipc_region __iomem *ipc_tx_reg, struct qtnf_shm_ipc_region __iomem *ipc_rx_reg, const struct qtnf_shm_ipc_int *ipc_int); -int qtnf_pcie_probe(struct pci_dev *pdev, size_t priv_size, - const struct qtnf_bus_ops *bus_ops, u64 dma_mask, - bool use_msi); -void qtnf_pcie_remove(struct qtnf_bus *bus, struct qtnf_pcie_bus_priv *priv); +struct qtnf_bus *qtnf_pcie_pearl_alloc(struct pci_dev *pdev); static inline void qtnf_non_posted_write(u32 val, void __iomem *basereg) { diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c index 95c7b95c6f8a..1f5facbb8905 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c +++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c @@ -2,7 +2,6 @@ /* Copyright (c) 2018 Quantenna Communications */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/firmware.h> #include <linux/pci.h> #include <linux/vmalloc.h> @@ -24,23 +23,7 @@ #include "shm_ipc.h" #include "debug.h" -static bool use_msi = true; -module_param(use_msi, bool, 0644); -MODULE_PARM_DESC(use_msi, "set 0 to use legacy interrupt"); - -static unsigned int tx_bd_size_param = 32; -module_param(tx_bd_size_param, uint, 0644); -MODULE_PARM_DESC(tx_bd_size_param, "Tx descriptors queue size, power of two"); - -static unsigned int rx_bd_size_param = 256; -module_param(rx_bd_size_param, uint, 0644); -MODULE_PARM_DESC(rx_bd_size_param, "Rx descriptors queue size, power of two"); - -static u8 flashboot = 1; -module_param(flashboot, byte, 0644); -MODULE_PARM_DESC(flashboot, "set to 0 to use FW binary file on FS"); - -#define DRV_NAME "qtnfmac_pearl_pcie" +#define PEARL_TX_BD_SIZE_DEFAULT 32 struct qtnf_pearl_bda { __le16 bda_len; @@ -415,30 +398,28 @@ static int pearl_hhbm_init(struct qtnf_pcie_pearl_state *ps) return 0; } -static int qtnf_pcie_pearl_init_xfer(struct qtnf_pcie_pearl_state *ps) +static int qtnf_pcie_pearl_init_xfer(struct qtnf_pcie_pearl_state *ps, + unsigned int tx_bd_size) { struct qtnf_pcie_bus_priv *priv = &ps->base; int ret; u32 val; - priv->tx_bd_num = tx_bd_size_param; - priv->rx_bd_num = rx_bd_size_param; - priv->rx_bd_w_index = 0; - priv->rx_bd_r_index = 0; + if (tx_bd_size == 0) + tx_bd_size = PEARL_TX_BD_SIZE_DEFAULT; - if (!priv->tx_bd_num || !is_power_of_2(priv->tx_bd_num)) { - pr_err("tx_bd_size_param %u is not power of two\n", - priv->tx_bd_num); - return -EINVAL; - } + val = tx_bd_size * sizeof(struct qtnf_pearl_tx_bd); - val = priv->tx_bd_num * sizeof(struct qtnf_pearl_tx_bd); - if (val > PCIE_HHBM_MAX_SIZE) { - pr_err("tx_bd_size_param %u is too large\n", - priv->tx_bd_num); - return -EINVAL; + if (!is_power_of_2(tx_bd_size) || val > PCIE_HHBM_MAX_SIZE) { + pr_warn("bad tx_bd_size value %u\n", tx_bd_size); + priv->tx_bd_num = PEARL_TX_BD_SIZE_DEFAULT; + } else { + priv->tx_bd_num = tx_bd_size; } + priv->rx_bd_w_index = 0; + priv->rx_bd_r_index = 0; + if (!priv->rx_bd_num || !is_power_of_2(priv->rx_bd_num)) { pr_err("rx_bd_size_param %u is not power of two\n", priv->rx_bd_num); @@ -1006,7 +987,7 @@ static void qtnf_pearl_fw_work_handler(struct work_struct *work) const char *fwname = QTN_PCI_PEARL_FW_NAME; bool fw_boot_success = false; - if (flashboot) { + if (ps->base.flashboot) { state |= QTN_RC_FW_FLASHBOOT; } else { ret = request_firmware(&fw, fwname, &pdev->dev); @@ -1022,7 +1003,7 @@ static void qtnf_pearl_fw_work_handler(struct work_struct *work) QTN_FW_DL_TIMEOUT_MS)) { pr_err("card is not ready\n"); - if (!flashboot) + if (!ps->base.flashboot) release_firmware(fw); goto fw_load_exit; @@ -1030,7 +1011,7 @@ static void qtnf_pearl_fw_work_handler(struct work_struct *work) qtnf_clear_state(&ps->bda->bda_ep_state, QTN_EP_FW_LOADRDY); - if (flashboot) { + if (ps->base.flashboot) { pr_info("booting firmware from flash\n"); } else { @@ -1061,7 +1042,7 @@ static void qtnf_pearl_fw_work_handler(struct work_struct *work) fw_boot_success = true; fw_load_exit: - qtnf_pcie_fw_boot_done(bus, fw_boot_success, DRV_NAME); + qtnf_pcie_fw_boot_done(bus, fw_boot_success); if (fw_boot_success) { qtnf_debugfs_add_entry(bus, "hdp_stats", qtnf_dbg_hdp_stats); @@ -1077,74 +1058,34 @@ static void qtnf_pearl_reclaim_tasklet_fn(unsigned long data) qtnf_en_txdone_irq(ps); } -static int qtnf_pearl_check_chip_id(struct qtnf_pcie_pearl_state *ps) +static u64 qtnf_pearl_dma_mask_get(void) { - unsigned int chipid; - - chipid = qtnf_chip_id_get(ps->base.sysctl_bar); - - switch (chipid) { - case QTN_CHIP_ID_PEARL: - case QTN_CHIP_ID_PEARL_B: - case QTN_CHIP_ID_PEARL_C: - pr_info("chip ID is 0x%x\n", chipid); - break; - default: - pr_err("incorrect chip ID 0x%x\n", chipid); - return -ENODEV; - } - - return 0; +#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT + return DMA_BIT_MASK(64); +#else + return DMA_BIT_MASK(32); +#endif } -static int qtnf_pcie_pearl_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +static int qtnf_pcie_pearl_probe(struct qtnf_bus *bus, unsigned int tx_bd_size) { struct qtnf_shm_ipc_int ipc_int; - struct qtnf_pcie_pearl_state *ps; - struct qtnf_bus *bus; + struct qtnf_pcie_pearl_state *ps = get_bus_priv(bus); + struct pci_dev *pdev = ps->base.pdev; int ret; - u64 dma_mask; - -#ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT - dma_mask = DMA_BIT_MASK(64); -#else - dma_mask = DMA_BIT_MASK(32); -#endif - - ret = qtnf_pcie_probe(pdev, sizeof(*ps), &qtnf_pcie_pearl_bus_ops, - dma_mask, use_msi); - if (ret) - return ret; - - bus = pci_get_drvdata(pdev); - ps = get_bus_priv(bus); + bus->bus_ops = &qtnf_pcie_pearl_bus_ops; spin_lock_init(&ps->irq_lock); - - tasklet_init(&ps->base.reclaim_tq, qtnf_pearl_reclaim_tasklet_fn, - (unsigned long)ps); - netif_napi_add(&bus->mux_dev, &bus->mux_napi, - qtnf_pcie_pearl_rx_poll, 10); INIT_WORK(&bus->fw_work, qtnf_pearl_fw_work_handler); ps->pcie_reg_base = ps->base.dmareg_bar; ps->bda = ps->base.epmem_bar; writel(ps->base.msi_enabled, &ps->bda->bda_rc_msi_enabled); - ipc_int.fn = qtnf_pcie_pearl_ipc_gen_ep_int; - ipc_int.arg = ps; - qtnf_pcie_init_shm_ipc(&ps->base, &ps->bda->bda_shm_reg1, - &ps->bda->bda_shm_reg2, &ipc_int); - - ret = qtnf_pearl_check_chip_id(ps); - if (ret) - goto error; - - ret = qtnf_pcie_pearl_init_xfer(ps); + ret = qtnf_pcie_pearl_init_xfer(ps, tx_bd_size); if (ret) { pr_err("PCIE xfer init failed\n"); - goto error; + return ret; } /* init default irq settings */ @@ -1155,95 +1096,63 @@ static int qtnf_pcie_pearl_probe(struct pci_dev *pdev, ret = devm_request_irq(&pdev->dev, pdev->irq, &qtnf_pcie_pearl_interrupt, 0, - "qtnf_pcie_irq", (void *)bus); + "qtnf_pearl_irq", (void *)bus); if (ret) { pr_err("failed to request pcie irq %d\n", pdev->irq); - goto err_xfer; + qtnf_pearl_free_xfer_buffers(ps); + return ret; } - qtnf_pcie_bringup_fw_async(bus); - - return 0; + tasklet_init(&ps->base.reclaim_tq, qtnf_pearl_reclaim_tasklet_fn, + (unsigned long)ps); + netif_napi_add(&bus->mux_dev, &bus->mux_napi, + qtnf_pcie_pearl_rx_poll, 10); -err_xfer: - qtnf_pearl_free_xfer_buffers(ps); -error: - qtnf_pcie_remove(bus, &ps->base); + ipc_int.fn = qtnf_pcie_pearl_ipc_gen_ep_int; + ipc_int.arg = ps; + qtnf_pcie_init_shm_ipc(&ps->base, &ps->bda->bda_shm_reg1, + &ps->bda->bda_shm_reg2, &ipc_int); - return ret; + return 0; } -static void qtnf_pcie_pearl_remove(struct pci_dev *pdev) +static void qtnf_pcie_pearl_remove(struct qtnf_bus *bus) { - struct qtnf_pcie_pearl_state *ps; - struct qtnf_bus *bus; - - bus = pci_get_drvdata(pdev); - if (!bus) - return; - - ps = get_bus_priv(bus); + struct qtnf_pcie_pearl_state *ps = get_bus_priv(bus); - qtnf_pcie_remove(bus, &ps->base); qtnf_pearl_reset_ep(ps); qtnf_pearl_free_xfer_buffers(ps); } #ifdef CONFIG_PM_SLEEP -static int qtnf_pcie_pearl_suspend(struct device *dev) +static int qtnf_pcie_pearl_suspend(struct qtnf_bus *bus) { return -EOPNOTSUPP; } -static int qtnf_pcie_pearl_resume(struct device *dev) +static int qtnf_pcie_pearl_resume(struct qtnf_bus *bus) { return 0; } -#endif /* CONFIG_PM_SLEEP */ - -#ifdef CONFIG_PM_SLEEP -/* Power Management Hooks */ -static SIMPLE_DEV_PM_OPS(qtnf_pcie_pearl_pm_ops, qtnf_pcie_pearl_suspend, - qtnf_pcie_pearl_resume); #endif -static const struct pci_device_id qtnf_pcie_devid_table[] = { - { - PCIE_VENDOR_ID_QUANTENNA, PCIE_DEVICE_ID_QTN_PEARL, - PCI_ANY_ID, PCI_ANY_ID, 0, 0, - }, - { }, -}; +struct qtnf_bus *qtnf_pcie_pearl_alloc(struct pci_dev *pdev) +{ + struct qtnf_bus *bus; + struct qtnf_pcie_pearl_state *ps; -MODULE_DEVICE_TABLE(pci, qtnf_pcie_devid_table); + bus = devm_kzalloc(&pdev->dev, sizeof(*bus) + sizeof(*ps), GFP_KERNEL); + if (!bus) + return NULL; -static struct pci_driver qtnf_pcie_pearl_drv_data = { - .name = DRV_NAME, - .id_table = qtnf_pcie_devid_table, - .probe = qtnf_pcie_pearl_probe, - .remove = qtnf_pcie_pearl_remove, + ps = get_bus_priv(bus); + ps->base.probe_cb = qtnf_pcie_pearl_probe; + ps->base.remove_cb = qtnf_pcie_pearl_remove; + ps->base.dma_mask_get_cb = qtnf_pearl_dma_mask_get; #ifdef CONFIG_PM_SLEEP - .driver = { - .pm = &qtnf_pcie_pearl_pm_ops, - }, + ps->base.resume_cb = qtnf_pcie_pearl_resume; + ps->base.suspend_cb = qtnf_pcie_pearl_suspend; #endif -}; - -static int __init qtnf_pcie_pearl_register(void) -{ - pr_info("register Quantenna QSR10g FullMAC PCIE driver\n"); - return pci_register_driver(&qtnf_pcie_pearl_drv_data); -} -static void __exit qtnf_pcie_pearl_exit(void) -{ - pr_info("unregister Quantenna QSR10g FullMAC PCIE driver\n"); - pci_unregister_driver(&qtnf_pcie_pearl_drv_data); + return bus; } - -module_init(qtnf_pcie_pearl_register); -module_exit(qtnf_pcie_pearl_exit); - -MODULE_AUTHOR("Quantenna Communications"); -MODULE_DESCRIPTION("Quantenna QSR10g PCIe bus driver for 802.11 wireless LAN."); -MODULE_LICENSE("GPL"); diff --git a/drivers/net/wireless/quantenna/qtnfmac/util.c b/drivers/net/wireless/quantenna/qtnfmac/util.c index e745733ba417..dfe3fe8a42c1 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/util.c +++ b/drivers/net/wireless/quantenna/qtnfmac/util.c @@ -15,6 +15,7 @@ */ #include "util.h" +#include "qtn_hw_ids.h" void qtnf_sta_list_init(struct qtnf_sta_list *list) { @@ -116,3 +117,18 @@ void qtnf_sta_list_free(struct qtnf_sta_list *list) INIT_LIST_HEAD(&list->head); } + +const char *qtnf_chipid_to_string(unsigned long chip_id) +{ + switch (chip_id) { + case QTN_CHIP_ID_PEARL: + return "Pearl revA"; + case QTN_CHIP_ID_PEARL_B: + return "Pearl revB"; + case QTN_CHIP_ID_PEARL_C: + return "Pearl revC"; + default: + return "unknown"; + } +} +EXPORT_SYMBOL_GPL(qtnf_chipid_to_string); diff --git a/drivers/net/wireless/quantenna/qtnfmac/util.h b/drivers/net/wireless/quantenna/qtnfmac/util.h index 0d4d92b11540..b8744baac332 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/util.h +++ b/drivers/net/wireless/quantenna/qtnfmac/util.h @@ -20,6 +20,8 @@ #include <linux/kernel.h> #include "core.h" +const char *qtnf_chipid_to_string(unsigned long chip_id); + void qtnf_sta_list_init(struct qtnf_sta_list *list); struct qtnf_sta_node *qtnf_sta_list_lookup(struct qtnf_sta_list *list, |