/* * JMicron JMC2x0 series PCIe Ethernet Linux Device Driver * * Copyright 2008 JMicron Technology Corporation * http://www.jmicron.com/ * Copyright (c) 2009 - 2010 Guo-Fu Tseng <cooldavid@cooldavid.org> * * Author: Guo-Fu Tseng <cooldavid@cooldavid.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License. * * 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. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * */ #ifndef __JME_H_INCLUDED__ #define __JME_H_INCLUDED__ #include <linux/interrupt.h> #define DRV_NAME "jme" #define DRV_VERSION "1.0.8" #define PFX DRV_NAME ": " #define PCI_DEVICE_ID_JMICRON_JMC250 0x0250 #define PCI_DEVICE_ID_JMICRON_JMC260 0x0260 /* * Message related definitions */ #define JME_DEF_MSG_ENABLE \ (NETIF_MSG_PROBE | \ NETIF_MSG_LINK | \ NETIF_MSG_RX_ERR | \ NETIF_MSG_TX_ERR | \ NETIF_MSG_HW) #ifdef TX_DEBUG #define tx_dbg(priv, fmt, args...) \ printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args) #else #define tx_dbg(priv, fmt, args...) \ do { \ if (0) \ printk(KERN_DEBUG "%s: " fmt, (priv)->dev->name, ##args); \ } while (0) #endif /* * Extra PCI Configuration space interface */ #define PCI_DCSR_MRRS 0x59 #define PCI_DCSR_MRRS_MASK 0x70 enum pci_dcsr_mrrs_vals { MRRS_128B = 0x00, MRRS_256B = 0x10, MRRS_512B = 0x20, MRRS_1024B = 0x30, MRRS_2048B = 0x40, MRRS_4096B = 0x50, }; #define PCI_SPI 0xB0 enum pci_spi_bits { SPI_EN = 0x10, SPI_MISO = 0x08, SPI_MOSI = 0x04, SPI_SCLK = 0x02, SPI_CS = 0x01, }; struct jme_spi_op { void __user *uwbuf; void __user *urbuf; __u8 wn; /* Number of write actions */ __u8 rn; /* Number of read actions */ __u8 bitn; /* Number of bits per action */ __u8 spd; /* The maxim acceptable speed of controller, in MHz.*/ __u8 mode; /* CPOL, CPHA, and Duplex mode of SPI */ /* Internal use only */ u8 *kwbuf; u8 *krbuf; u8 sr; u16 halfclk; /* Half of clock cycle calculated from spd, in ns */ }; enum jme_spi_op_bits { SPI_MODE_CPHA = 0x01, SPI_MODE_CPOL = 0x02, SPI_MODE_DUP = 0x80, }; #define HALF_US 500 /* 500 ns */ #define JMESPIIOCTL SIOCDEVPRIVATE #define PCI_PRIV_PE1 0xE4 enum pci_priv_pe1_bit_masks { PE1_ASPMSUPRT = 0x00000003, /* * RW: * Aspm_support[1:0] * (R/W Port of 5C[11:10]) */ PE1_MULTIFUN = 0x00000004, /* RW: Multi_fun_bit */ PE1_RDYDMA = 0x00000008, /* RO: ~link.rdy_for_dma */ PE1_ASPMOPTL = 0x00000030, /* RW: link.rx10s_option[1:0] */ PE1_ASPMOPTH = 0x000000C0, /* RW: 10_req=[3]?HW:[2] */ PE1_GPREG0 = 0x0000FF00, /* * SRW: * Cfg_gp_reg0 * [7:6] phy_giga BG control * [5] CREQ_N as CREQ_N1 (CPPE# as CREQ#) * [4:0] Reserved */ PE1_GPREG0_PBG = 0x0000C000, /* phy_giga BG control */ PE1_GPREG1 = 0x00FF0000, /* RW: Cfg_gp_reg1 */ PE1_REVID = 0xFF000000, /* RO: Rev ID */ }; enum pci_priv_pe1_values { PE1_GPREG0_ENBG = 0x00000000, /* en BG */ PE1_GPREG0_PDD3COLD = 0x00004000, /* giga_PD + d3cold */ PE1_GPREG0_PDPCIESD = 0x00008000, /* giga_PD + pcie_shutdown */ PE1_GPREG0_PDPCIEIDDQ = 0x0000C000, /* giga_PD + pcie_iddq */ }; /* * Dynamic(adaptive)/Static PCC values */ enum dynamic_pcc_values { PCC_OFF = 0, PCC_P1 = 1, PCC_P2 = 2, PCC_P3 = 3, PCC_OFF_TO = 0, PCC_P1_TO = 1, PCC_P2_TO = 64, PCC_P3_TO = 128, PCC_OFF_CNT = 0, PCC_P1_CNT = 1, PCC_P2_CNT = 16, PCC_P3_CNT = 32, }; struct dynpcc_info { unsigned long last_bytes; unsigned long last_pkts; unsigned long intr_cnt; unsigned char cur; unsigned char attempt; unsigned char cnt; }; #define PCC_INTERVAL_US 100000 #define PCC_INTERVAL (HZ / (1000000 / PCC_INTERVAL_US)) #define PCC_P3_THRESHOLD (2 * 1024 * 1024) #define PCC_P2_THRESHOLD 800 #define PCC_INTR_THRESHOLD 800 #define PCC_TX_TO 1000 #define PCC_TX_CNT 8 /* * TX/RX Descriptors * * TX/RX Ring DESC Count Must be multiple of 16 and <= 1024 */ #define RING_DESC_ALIGN 16 /* Descriptor alignment */ #define TX_DESC_SIZE 16 #define TX_RING_NR 8 #define TX_RING_ALLOC_SIZE(s) ((s * TX_DESC_SIZE) + RING_DESC_ALIGN) struct txdesc { union { __u8 all[16]; __le32 dw[4]; struct { /* DW0 */ __le16 vlan; __u8 rsv1; __u8 flags; /* DW1 */ __le16 datalen; __le16 mss; /* DW2 */ __le16 pktsize; __le16 rsv2; /* DW3 */ __le32 bufaddr; } desc1; struct { /* DW0 */ __le16 rsv1; __u8 rsv2; __u8 flags; /* DW1 */ __le16 datalen; __le16 rsv3; /* DW2 */ __le32 bufaddrh; /* DW3 */ __le32 bufaddrl; } desc2; struct { /* DW0 */ __u8 ehdrsz; __u8 rsv1; __u8 rsv2; __u8 flags; /* DW1 */ __le16 trycnt; __le16 segcnt; /* DW2 */ __le16 pktsz; __le16 rsv3; /* DW3 */ __le32 bufaddrl; } descwb; }; }; enum jme_txdesc_flags_bits { TXFLAG_OWN = 0x80, TXFLAG_INT = 0x40, TXFLAG_64BIT = 0x20, TXFLAG_TCPCS = 0x10, TXFLAG_UDPCS = 0x08, TXFLAG_IPCS = 0x04, TXFLAG_LSEN = 0x02, TXFLAG_TAGON = 0x01, }; #define TXDESC_MSS_SHIFT 2 enum jme_txwbdesc_flags_bits { TXWBFLAG_OWN = 0x80, TXWBFLAG_INT = 0x40, TXWBFLAG_TMOUT = 0x20, TXWBFLAG_TRYOUT = 0x10, TXWBFLAG_COL = 0x08, TXWBFLAG_ALLERR = TXWBFLAG_TMOUT | TXWBFLAG_TRYOUT | TXWBFLAG_COL, }; #define RX_DESC_SIZE 16 #define RX_RING_NR 4 #define RX_RING_ALLOC_SIZE(s) ((s * RX_DESC_SIZE) + RING_DESC_ALIGN) #define RX_BUF_DMA_ALIGN 8 #define RX_PREPAD_SIZE 10 #define ETH_CRC_LEN 2 #define RX_VLANHDR_LEN 2 #define RX_EXTRA_LEN (RX_PREPAD_SIZE + \ ETH_HLEN + \ ETH_CRC_LEN + \ RX_VLANHDR_LEN + \ RX_BUF_DMA_ALIGN) struct rxdesc { union { __u8 all[16]; __le32 dw[4]; struct { /* DW0 */ __le16 rsv2; __u8 rsv1; __u8 flags; /* DW1 */ __le16 datalen; __le16 wbcpl; /* DW2 */ __le32 bufaddrh; /* DW3 */ __le32 bufaddrl; } desc1; struct { /* DW0 */ __le16 vlan; __le16 flags; /* DW1 */ __le16 framesize; __u8 errstat; __u8 desccnt; /* DW2 */ __le32 rsshash; /* DW3 */ __u8 hashfun; __u8 hashtype; __le16 resrv; } descwb; }; }; enum jme_rxdesc_flags_bits { RXFLAG_OWN = 0x80, RXFLAG_INT = 0x40, RXFLAG_64BIT = 0x20, }; enum jme_rxwbdesc_flags_bits { RXWBFLAG_OWN = 0x8000, RXWBFLAG_INT = 0x4000, RXWBFLAG_MF = 0x2000, RXWBFLAG_64BIT = 0x2000, RXWBFLAG_TCPON = 0x1000, RXWBFLAG_UDPON = 0x0800, RXWBFLAG_IPCS = 0x0400, RXWBFLAG_TCPCS = 0x0200, RXWBFLAG_UDPCS = 0x0100, RXWBFLAG_TAGON = 0x0080, RXWBFLAG_IPV4 = 0x0040, RXWBFLAG_IPV6 = 0x0020, RXWBFLAG_PAUSE = 0x0010, RXWBFLAG_MAGIC = 0x0008, RXWBFLAG_WAKEUP = 0x0004, RXWBFLAG_DEST = 0x0003, RXWBFLAG_DEST_UNI = 0x0001, RXWBFLAG_DEST_MUL = 0x0002, RXWBFLAG_DEST_BRO = 0x0003, }; enum jme_rxwbdesc_desccnt_mask { RXWBDCNT_WBCPL = 0x80, RXWBDCNT_DCNT = 0x7F, }; enum jme_rxwbdesc_errstat_bits { RXWBERR_LIMIT = 0x80, RXWBERR_MIIER = 0x40, RXWBERR_NIBON = 0x20, RXWBERR_COLON = 0x10, RXWBERR_ABORT = 0x08, RXWBERR_SHORT = 0x04, RXWBERR_OVERUN = 0x02, RXWBERR_CRCERR = 0x01, RXWBERR_ALLERR = 0xFF, }; /* * Buffer information corresponding to ring descriptors. */ struct jme_buffer_info { struct sk_buff *skb; dma_addr_t mapping; int len; int nr_desc; unsigned long start_xmit; }; /* * The structure holding buffer information and ring descriptors all together. */ struct jme_ring { void *alloc; /* pointer to allocated memory */ void *desc; /* pointer to ring memory */ dma_addr_t dmaalloc; /* phys address of ring alloc */ dma_addr_t dma; /* phys address for ring dma */ /* Buffer information corresponding to each descriptor */ struct jme_buffer_info *bufinf; int next_to_use; atomic_t next_to_clean; atomic_t nr_free; }; #define NET_STAT(priv) (priv->dev->stats) #define NETDEV_GET_STATS(netdev, fun_ptr) #define DECLARE_NET_DEVICE_STATS #define DECLARE_NAPI_STRUCT struct napi_struct napi; #define NETIF_NAPI_SET(dev, napis, pollfn, q) \ netif_napi_add(dev, napis, pollfn, q); #define JME_NAPI_HOLDER(holder) struct napi_struct *holder #define JME_NAPI_WEIGHT(w) int w #define JME_NAPI_WEIGHT_VAL(w) w #define JME_NAPI_WEIGHT_SET(w, r) #define JME_RX_COMPLETE(dev, napis) napi_complete(napis) #define JME_NAPI_ENABLE(priv) napi_enable(&priv->napi); #define JME_NAPI_DISABLE(priv) \ if (!napi_disable_pending(&priv->napi)) \ napi_disable(&priv->napi); #define JME_RX_SCHEDULE_PREP(priv) \ napi_schedule_prep(&priv->napi) #define JME_RX_SCHEDULE(priv) \ __napi_schedule(&priv->napi); /* * Jmac Adapter Private data */ struct jme_adapter { struct pci_dev *pdev; struct net_device *dev; void __iomem *regs; struct mii_if_info mii_if; struct jme_ring rxring[RX_RING_NR]; struct jme_ring txring[TX_RING_NR]; spinlock_t phy_lock; spinlock_t macaddr_lock; spinlock_t rxmcs_lock; struct tasklet_struct rxempty_task; struct tasklet_struct rxclean_task; struct tasklet_struct txclean_task; struct tasklet_struct linkch_task; struct tasklet_struct pcc_task; unsigned long flags; u32 reg_txcs; u32 reg_txpfc; u32 reg_rxcs; u32 reg_rxmcs; u32 reg_ghc; u32 reg_pmcs; u32 reg_gpreg1; u32 phylink; u32 tx_ring_size; u32 tx_ring_mask; u32 tx_wake_threshold; u32 rx_ring_size; u32 rx_ring_mask; u8 mrrs; unsigned int fpgaver; u8 chiprev; u8 chip_main_rev; u8 chip_sub_rev; u8 pcirev; u32 msg_enable; struct ethtool_cmd old_ecmd; unsigned int old_mtu; struct vlan_group *vlgrp; struct dynpcc_info dpi; atomic_t intr_sem; atomic_t link_changing; atomic_t tx_cleaning; atomic_t rx_cleaning; atomic_t rx_empty; int (*jme_rx)(struct sk_buff *skb); int (*jme_vlan_rx)(struct sk_buff *skb, struct vlan_group *grp, unsigned short vlan_tag); DECLARE_NAPI_STRUCT DECLARE_NET_DEVICE_STATS }; enum jme_flags_bits { JME_FLAG_MSI = 1, JME_FLAG_SSET = 2, JME_FLAG_POLL = 5, JME_FLAG_SHUTDOWN = 6, }; #define TX_TIMEOUT (5 * HZ) #define JME_REG_LEN 0x500 #define MAX_ETHERNET_JUMBO_PACKET_SIZE 9216 static inline struct jme_adapter* jme_napi_priv(struct napi_struct *napi) { struct jme_adapter *jme; jme = container_of(napi, struct jme_adapter, napi); return jme; } /* * MMaped I/O Resters */ enum jme_iomap_offsets { JME_MAC = 0x0000, JME_PHY = 0x0400, JME_MISC = 0x0800, JME_RSS = 0x0C00, }; enum jme_iomap_lens { JME_MAC_LEN = 0x80, JME_PHY_LEN = 0x58, JME_MISC_LEN = 0x98, JME_RSS_LEN = 0xFF, }; enum jme_iomap_regs { JME_TXCS = JME_MAC | 0x00, /* Transmit Control and Status */ JME_TXDBA_LO = JME_MAC | 0x04, /* Transmit Queue Desc Base Addr */ JME_TXDBA_HI = JME_MAC | 0x08, /* Transmit Queue Desc Base Addr */ JME_TXQDC = JME_MAC | 0x0C, /* Transmit Queue Desc Count */ JME_TXNDA = JME_MAC | 0x10, /* Transmit Queue Next Desc Addr */ JME_TXMCS = JME_MAC | 0x14, /* Transmit MAC Control Status */ JME_TXPFC = JME_MAC | 0x18, /* Transmit Pause Frame Control */ JME_TXTRHD = JME_MAC | 0x1C, /* Transmit Timer/Retry@Half-Dup */ JME_RXCS = JME_MAC | 0x20, /* Receive Control and Status */ JME_RXDBA_LO = JME_MAC | 0x24, /* Receive Queue Desc Base Addr */ JME_RXDBA_HI = JME_MAC | 0x28, /* Receive Queue Desc Base Addr */ JME_RXQDC = JME_MAC | 0x2C, /* Receive Queue Desc Count */ JME_RXNDA = JME_MAC | 0x30, /* Receive Queue Next Desc Addr */ JME_RXMCS = JME_MAC | 0x34, /* Receive MAC Control Status */ JME_RXUMA_LO = JME_MAC | 0x38, /* Receive Unicast MAC Address */ JME_RXUMA_HI = JME_MAC | 0x3C, /* Receive Unicast MAC Address */ JME_RXMCHT_LO = JME_MAC | 0x40, /* Recv Multicast Addr HashTable */ JME_RXMCHT_HI = JME_MAC | 0x44, /* Recv Multicast Addr HashTable */ JME_WFODP = JME_MAC | 0x48, /* Wakeup Frame Output Data Port */ JME_WFOI = JME_MAC | 0x4C, /* Wakeup Frame Output Interface */ JME_SMI = JME_MAC | 0x50, /* Station Management Interface */ JME_GHC = JME_MAC | 0x54, /* Global Host Control */ JME_PMCS = JME_MAC | 0x60, /* Power Management Control/Stat */ JME_PHY_PWR = JME_PHY | 0x24, /* New PHY Power Ctrl Register */ JME_PHY_CS = JME_PHY | 0x28, /* PHY Ctrl and Status Register */ JME_PHY_LINK = JME_PHY | 0x30, /* PHY Link Status Register */ JME_SMBCSR = JME_PHY | 0x40, /* SMB Control and Status */ JME_SMBINTF = JME_PHY | 0x44, /* SMB Interface */ JME_TMCSR = JME_MISC | 0x00, /* Timer Control/Status Register */ JME_GPREG0 = JME_MISC | 0x08, /* General purpose REG-0 */ JME_GPREG1 = JME_MISC | 0x0C, /* General purpose REG-1 */ JME_IEVE = JME_MISC | 0x20, /* Interrupt Event Status */ JME_IREQ = JME_MISC | 0x24, /* Intr Req Status(For Debug) */ JME_IENS = JME_MISC | 0x28, /* Intr Enable - Setting Port */ JME_IENC = JME_MISC | 0x2C, /* Interrupt Enable - Clear Port */ JME_PCCRX0 = JME_MISC | 0x30, /* PCC Control for RX Queue 0 */ JME_PCCTX = JME_MISC | 0x40, /* PCC Control for TX Queues */ JME_CHIPMODE = JME_MISC | 0x44, /* Identify FPGA Version */ JME_SHBA_HI = JME_MISC | 0x48, /* Shadow Register Base HI */ JME_SHBA_LO = JME_MISC | 0x4C, /* Shadow Register Base LO */ JME_TIMER1 = JME_MISC | 0x70, /* Timer1 */ JME_TIMER2 = JME_MISC | 0x74, /* Timer2 */ JME_APMC = JME_MISC | 0x7C, /* Aggressive Power Mode Control */ JME_PCCSRX0 = JME_MISC | 0x80, /* PCC Status of RX0 */ }; /* * TX Control/Status Bits */ enum jme_txcs_bits { TXCS_QUEUE7S = 0x00008000, TXCS_QUEUE6S = 0x00004000, TXCS_QUEUE5S = 0x00002000, TXCS_QUEUE4S = 0x00001000, TXCS_QUEUE3S = 0x00000800, TXCS_QUEUE2S = 0x00000400, TXCS_QUEUE1S = 0x00000200, TXCS_QUEUE0S = 0x00000100, TXCS_FIFOTH = 0x000000C0, TXCS_DMASIZE = 0x00000030, TXCS_BURST = 0x00000004, TXCS_ENABLE = 0x00000001, }; enum jme_txcs_value { TXCS_FIFOTH_16QW = 0x000000C0, TXCS_FIFOTH_12QW = 0x00000080, TXCS_FIFOTH_8QW = 0x00000040, TXCS_FIFOTH_4QW = 0x00000000, TXCS_DMASIZE_64B = 0x00000000, TXCS_DMASIZE_128B = 0x00000010, TXCS_DMASIZE_256B = 0x00000020, TXCS_DMASIZE_512B = 0x00000030, TXCS_SELECT_QUEUE0 = 0x00000000, TXCS_SELECT_QUEUE1 = 0x00010000, TXCS_SELECT_QUEUE2 = 0x00020000, TXCS_SELECT_QUEUE3 = 0x00030000, TXCS_SELECT_QUEUE4 = 0x00040000, TXCS_SELECT_QUEUE5 = 0x00050000, TXCS_SELECT_QUEUE6 = 0x00060000, TXCS_SELECT_QUEUE7 = 0x00070000, TXCS_DEFAULT = TXCS_FIFOTH_4QW | TXCS_BURST, }; #define JME_TX_DISABLE_TIMEOUT 10 /* 10 msec */ /* * TX MAC Control/Status Bits */ enum jme_txmcs_bit_masks { TXMCS_IFG2 = 0xC0000000, TXMCS_IFG1 = 0x30000000, TXMCS_TTHOLD = 0x00000300, TXMCS_FBURST = 0x00000080, TXMCS_CARRIEREXT = 0x00000040, TXMCS_DEFER = 0x00000020, TXMCS_BACKOFF = 0x00000010, TXMCS_CARRIERSENSE = 0x00000008, TXMCS_COLLISION = 0x00000004, TXMCS_CRC = 0x00000002, TXMCS_PADDING = 0x00000001, }; enum jme_txmcs_values { TXMCS_IFG2_6_4 = 0x00000000, TXMCS_IFG2_8_5 = 0x40000000, TXMCS_IFG2_10_6 = 0x80000000, TXMCS_IFG2_12_7 = 0xC0000000, TXMCS_IFG1_8_4 = 0x00000000, TXMCS_IFG1_12_6 = 0x10000000, TXMCS_IFG1_16_8 = 0x20000000, TXMCS_IFG1_20_10 = 0x30000000, TXMCS_TTHOLD_1_8 = 0x00000000, TXMCS_TTHOLD_1_4 = 0x00000100, TXMCS_TTHOLD_1_2 = 0x00000200, TXMCS_TTHOLD_FULL = 0x00000300, TXMCS_DEFAULT = TXMCS_IFG2_8_5 | TXMCS_IFG1_16_8 | TXMCS_TTHOLD_FULL | TXMCS_DEFER | TXMCS_CRC | TXMCS_PADDING, }; enum jme_txpfc_bits_masks { TXPFC_VLAN_TAG = 0xFFFF0000, TXPFC_VLAN_EN = 0x00008000, TXPFC_PF_EN = 0x00000001, }; enum jme_txtrhd_bits_masks { TXTRHD_TXPEN = 0x80000000, TXTRHD_TXP = 0x7FFFFF00, TXTRHD_TXREN = 0x00000080, TXTRHD_TXRL = 0x0000007F, }; enum jme_txtrhd_shifts { TXTRHD_TXP_SHIFT = 8, TXTRHD_TXRL_SHIFT = 0, }; enum jme_txtrhd_values { TXTRHD_FULLDUPLEX = 0x00000000, TXTRHD_HALFDUPLEX = TXTRHD_TXPEN | ((0x2000 << TXTRHD_TXP_SHIFT) & TXTRHD_TXP) | TXTRHD_TXREN | ((8 << TXTRHD_TXRL_SHIFT) & TXTRHD_TXRL), }; /* * RX Control/Status Bits */ enum jme_rxcs_bit_masks { /* FIFO full threshold for transmitting Tx Pause Packet */ RXCS_FIFOTHTP = 0x30000000, /* FIFO threshold for processing next packet */ RXCS_FIFOTHNP = 0x0C000000, RXCS_DMAREQSZ = 0x03000000, /* DMA Request Size */ RXCS_QUEUESEL = 0x00030000, /* Queue selection */ RXCS_RETRYGAP = 0x0000F000, /* RX Desc full retry gap */ RXCS_RETRYCNT = 0x00000F00, /* RX Desc full retry counter */ RXCS_WAKEUP = 0x00000040, /* Enable receive wakeup packet */ RXCS_MAGIC = 0x00000020, /* Enable receive magic packet */ RXCS_SHORT = 0x00000010, /* Enable receive short packet */ RXCS_ABORT = 0x00000008, /* Enable receive errorr packet */ RXCS_QST = 0x00000004, /* Receive queue start */ RXCS_SUSPEND = 0x00000002, RXCS_ENABLE = 0x00000001, }; enum jme_rxcs_values { RXCS_FIFOTHTP_16T = 0x00000000, RXCS_FIFOTHTP_32T = 0x10000000, RXCS_FIFOTHTP_64T = 0x20000000, RXCS_FIFOTHTP_128T = 0x30000000, RXCS_FIFOTHNP_16QW = 0x00000000, RXCS_FIFOTHNP_32QW = 0x04000000, RXCS_FIFOTHNP_64QW = 0x08000000, RXCS_FIFOTHNP_128QW = 0x0C000000, RXCS_DMAREQSZ_16B = 0x00000000, RXCS_DMAREQSZ_32B = 0x01000000, RXCS_DMAREQSZ_64B = 0x02000000, RXCS_DMAREQSZ_128B = 0x03000000, RXCS_QUEUESEL_Q0 = 0x00000000, RXCS_QUEUESEL_Q1 = 0x00010000, RXCS_QUEUESEL_Q2 = 0x00020000, RXCS_QUEUESEL_Q3 = 0x00030000, RXCS_RETRYGAP_256ns = 0x00000000, RXCS_RETRYGAP_512ns = 0x00001000, RXCS_RETRYGAP_1024ns = 0x00002000, RXCS_RETRYGAP_2048ns = 0x00003000, RXCS_RETRYGAP_4096ns = 0x00004000, RXCS_RETRYGAP_8192ns = 0x00005000, RXCS_RETRYGAP_16384ns = 0x00006000, RXCS_RETRYGAP_32768ns = 0x00007000, RXCS_RETRYCNT_0 = 0x00000000, RXCS_RETRYCNT_4 = 0x00000100, RXCS_RETRYCNT_8 = 0x00000200, RXCS_RETRYCNT_12 = 0x00000300, RXCS_RETRYCNT_16 = 0x00000400, RXCS_RETRYCNT_20 = 0x00000500, RXCS_RETRYCNT_24 = 0x00000600, RXCS_RETRYCNT_28 = 0x00000700, RXCS_RETRYCNT_32 = 0x00000800, RXCS_RETRYCNT_36 = 0x00000900, RXCS_RETRYCNT_40 = 0x00000A00, RXCS_RETRYCNT_44 = 0x00000B00, RXCS_RETRYCNT_48 = 0x00000C00, RXCS_RETRYCNT_52 = 0x00000D00, RXCS_RETRYCNT_56 = 0x00000E00, RXCS_RETRYCNT_60 = 0x00000F00, RXCS_DEFAULT = RXCS_FIFOTHTP_128T | RXCS_FIFOTHNP_128QW | RXCS_DMAREQSZ_128B | RXCS_RETRYGAP_256ns | RXCS_RETRYCNT_32, }; #define JME_RX_DISABLE_TIMEOUT 10 /* 10 msec */ /* * RX MAC Control/Status Bits */ enum jme_rxmcs_bits { RXMCS_ALLFRAME = 0x00000800, RXMCS_BRDFRAME = 0x00000400, RXMCS_MULFRAME = 0x00000200, RXMCS_UNIFRAME = 0x00000100, RXMCS_ALLMULFRAME = 0x00000080, RXMCS_MULFILTERED = 0x00000040, RXMCS_RXCOLLDEC = 0x00000020, RXMCS_FLOWCTRL = 0x00000008, RXMCS_VTAGRM = 0x00000004, RXMCS_PREPAD = 0x00000002, RXMCS_CHECKSUM = 0x00000001, RXMCS_DEFAULT = RXMCS_VTAGRM | RXMCS_PREPAD | RXMCS_FLOWCTRL | RXMCS_CHECKSUM, }; /* * Wakeup Frame setup interface registers */ #define WAKEUP_FRAME_NR 8 #define WAKEUP_FRAME_MASK_DWNR 4 enum jme_wfoi_bit_masks { WFOI_MASK_SEL = 0x00000070, WFOI_CRC_SEL = 0x00000008, WFOI_FRAME_SEL = 0x00000007, }; enum jme_wfoi_shifts { WFOI_MASK_SHIFT = 4, }; /* * SMI Related definitions */ enum jme_smi_bit_mask { SMI_DATA_MASK = 0xFFFF0000, SMI_REG_ADDR_MASK = 0x0000F800, SMI_PHY_ADDR_MASK = 0x000007C0, SMI_OP_WRITE = 0x00000020, /* Set to 1, after req done it'll be cleared to 0 */ SMI_OP_REQ = 0x00000010, SMI_OP_MDIO = 0x00000008, /* Software assess In/Out */ SMI_OP_MDOE = 0x00000004, /* Software Output Enable */ SMI_OP_MDC = 0x00000002, /* Software CLK Control */ SMI_OP_MDEN = 0x00000001, /* Software access Enable */ }; enum jme_smi_bit_shift { SMI_DATA_SHIFT = 16, SMI_REG_ADDR_SHIFT = 11, SMI_PHY_ADDR_SHIFT = 6, }; static inline u32 smi_reg_addr(int x) { return (x << SMI_REG_ADDR_SHIFT) & SMI_REG_ADDR_MASK; } static inline u32 smi_phy_addr(int x) { return (x << SMI_PHY_ADDR_SHIFT) & SMI_PHY_ADDR_MASK; } #define JME_PHY_TIMEOUT 100 /* 100 msec */ #define JME_PHY_REG_NR 32 /* * Global Host Control */ enum jme_ghc_bit_mask { GHC_SWRST = 0x40000000, GHC_TO_CLK_SRC = 0x00C00000, GHC_TXMAC_CLK_SRC = 0x00300000, GHC_DPX = 0x00000040, GHC_SPEED = 0x00000030, GHC_LINK_POLL = 0x00000001, }; enum jme_ghc_speed_val { GHC_SPEED_10M = 0x00000010, GHC_SPEED_100M = 0x00000020, GHC_SPEED_1000M = 0x00000030, }; enum jme_ghc_to_clk { GHC_TO_CLK_OFF = 0x00000000, GHC_TO_CLK_GPHY = 0x00400000, GHC_TO_CLK_PCIE = 0x00800000, GHC_TO_CLK_INVALID = 0x00C00000, }; enum jme_ghc_txmac_clk { GHC_TXMAC_CLK_OFF = 0x00000000, GHC_TXMAC_CLK_GPHY = 0x00100000, GHC_TXMAC_CLK_PCIE = 0x00200000, GHC_TXMAC_CLK_INVALID = 0x00300000, }; /* * Power management control and status register */ enum jme_pmcs_bit_masks { PMCS_STMASK = 0xFFFF0000, PMCS_WF7DET = 0x80000000, PMCS_WF6DET = 0x40000000, PMCS_WF5DET = 0x20000000, PMCS_WF4DET = 0x10000000, PMCS_WF3DET = 0x08000000, PMCS_WF2DET = 0x04000000, PMCS_WF1DET = 0x02000000, PMCS_WF0DET = 0x01000000, PMCS_LFDET = 0x00040000, PMCS_LRDET = 0x00020000, PMCS_MFDET = 0x00010000, PMCS_ENMASK = 0x0000FFFF, PMCS_WF7EN = 0x00008000, PMCS_WF6EN = 0x00004000, PMCS_WF5EN = 0x00002000, PMCS_WF4EN = 0x00001000, PMCS_WF3EN = 0x00000800, PMCS_WF2EN = 0x00000400, PMCS_WF1EN = 0x00000200, PMCS_WF0EN = 0x00000100, PMCS_LFEN = 0x00000004, PMCS_LREN = 0x00000002, PMCS_MFEN = 0x00000001, }; /* * New PHY Power Control Register */ enum jme_phy_pwr_bit_masks { PHY_PWR_DWN1SEL = 0x01000000, /* Phy_giga.p_PWR_DOWN1_SEL */ PHY_PWR_DWN1SW = 0x02000000, /* Phy_giga.p_PWR_DOWN1_SW */ PHY_PWR_DWN2 = 0x04000000, /* Phy_giga.p_PWR_DOWN2 */ PHY_PWR_CLKSEL = 0x08000000, /* * XTL_OUT Clock select * (an internal free-running clock) * 0: xtl_out = phy_giga.A_XTL25_O * 1: xtl_out = phy_giga.PD_OSC */ }; /* * Giga PHY Status Registers */ enum jme_phy_link_bit_mask { PHY_LINK_SPEED_MASK = 0x0000C000, PHY_LINK_DUPLEX = 0x00002000, PHY_LINK_SPEEDDPU_RESOLVED = 0x00000800, PHY_LINK_UP = 0x00000400, PHY_LINK_AUTONEG_COMPLETE = 0x00000200, PHY_LINK_MDI_STAT = 0x00000040, }; enum jme_phy_link_speed_val { PHY_LINK_SPEED_10M = 0x00000000, PHY_LINK_SPEED_100M = 0x00004000, PHY_LINK_SPEED_1000M = 0x00008000, }; #define JME_SPDRSV_TIMEOUT 500 /* 500 us */ /* * SMB Control and Status */ enum jme_smbcsr_bit_mask { SMBCSR_CNACK = 0x00020000, SMBCSR_RELOAD = 0x00010000, SMBCSR_EEPROMD = 0x00000020, SMBCSR_INITDONE = 0x00000010, SMBCSR_BUSY = 0x0000000F, }; enum jme_smbintf_bit_mask { SMBINTF_HWDATR = 0xFF000000, SMBINTF_HWDATW = 0x00FF0000, SMBINTF_HWADDR = 0x0000FF00, SMBINTF_HWRWN = 0x00000020, SMBINTF_HWCMD = 0x00000010, SMBINTF_FASTM = 0x00000008, SMBINTF_GPIOSCL = 0x00000004, SMBINTF_GPIOSDA = 0x00000002, SMBINTF_GPIOEN = 0x00000001, }; enum jme_smbintf_vals { SMBINTF_HWRWN_READ = 0x00000020, SMBINTF_HWRWN_WRITE = 0x00000000, }; enum jme_smbintf_shifts { SMBINTF_HWDATR_SHIFT = 24, SMBINTF_HWDATW_SHIFT = 16, SMBINTF_HWADDR_SHIFT = 8, }; #define JME_EEPROM_RELOAD_TIMEOUT 2000 /* 2000 msec */ #define JME_SMB_BUSY_TIMEOUT 20 /* 20 msec */ #define JME_SMB_LEN 256 #define JME_EEPROM_MAGIC 0x250 /* * Timer Control/Status Register */ enum jme_tmcsr_bit_masks { TMCSR_SWIT = 0x80000000, TMCSR_EN = 0x01000000, TMCSR_CNT = 0x00FFFFFF, }; /* * General Purpose REG-0 */ enum jme_gpreg0_masks { GPREG0_DISSH = 0xFF000000, GPREG0_PCIRLMT = 0x00300000, GPREG0_PCCNOMUTCLR = 0x00040000, GPREG0_LNKINTPOLL = 0x00001000, GPREG0_PCCTMR = 0x00000300, GPREG0_PHYADDR = 0x0000001F, }; enum jme_gpreg0_vals { GPREG0_DISSH_DW7 = 0x80000000, GPREG0_DISSH_DW6 = 0x40000000, GPREG0_DISSH_DW5 = 0x20000000, GPREG0_DISSH_DW4 = 0x10000000, GPREG0_DISSH_DW3 = 0x08000000, GPREG0_DISSH_DW2 = 0x04000000, GPREG0_DISSH_DW1 = 0x02000000, GPREG0_DISSH_DW0 = 0x01000000, GPREG0_DISSH_ALL = 0xFF000000, GPREG0_PCIRLMT_8 = 0x00000000, GPREG0_PCIRLMT_6 = 0x00100000, GPREG0_PCIRLMT_5 = 0x00200000, GPREG0_PCIRLMT_4 = 0x00300000, GPREG0_PCCTMR_16ns = 0x00000000, GPREG0_PCCTMR_256ns = 0x00000100, GPREG0_PCCTMR_1us = 0x00000200, GPREG0_PCCTMR_1ms = 0x00000300, GPREG0_PHYADDR_1 = 0x00000001, GPREG0_DEFAULT = GPREG0_PCIRLMT_4 | GPREG0_PCCTMR_1us | GPREG0_PHYADDR_1, }; /* * General Purpose REG-1 */ enum jme_gpreg1_bit_masks { GPREG1_RXCLKOFF = 0x04000000, GPREG1_PCREQN = 0x00020000, GPREG1_HALFMODEPATCH = 0x00000040, /* For Chip revision 0x11 only */ GPREG1_RSSPATCH = 0x00000020, /* For Chip revision 0x11 only */ GPREG1_INTRDELAYUNIT = 0x00000018, GPREG1_INTRDELAYENABLE = 0x00000007, }; enum jme_gpreg1_vals { GPREG1_INTDLYUNIT_16NS = 0x00000000, GPREG1_INTDLYUNIT_256NS = 0x00000008, GPREG1_INTDLYUNIT_1US = 0x00000010, GPREG1_INTDLYUNIT_16US = 0x00000018, GPREG1_INTDLYEN_1U = 0x00000001, GPREG1_INTDLYEN_2U = 0x00000002, GPREG1_INTDLYEN_3U = 0x00000003, GPREG1_INTDLYEN_4U = 0x00000004, GPREG1_INTDLYEN_5U = 0x00000005, GPREG1_INTDLYEN_6U = 0x00000006, GPREG1_INTDLYEN_7U = 0x00000007, GPREG1_DEFAULT = GPREG1_PCREQN, }; /* * Interrupt Status Bits */ enum jme_interrupt_bits { INTR_SWINTR = 0x80000000, INTR_TMINTR = 0x40000000, INTR_LINKCH = 0x20000000, INTR_PAUSERCV = 0x10000000, INTR_MAGICRCV = 0x08000000, INTR_WAKERCV = 0x04000000, INTR_PCCRX0TO = 0x02000000, INTR_PCCRX1TO = 0x01000000, INTR_PCCRX2TO = 0x00800000, INTR_PCCRX3TO = 0x00400000, INTR_PCCTXTO = 0x00200000, INTR_PCCRX0 = 0x00100000, INTR_PCCRX1 = 0x00080000, INTR_PCCRX2 = 0x00040000, INTR_PCCRX3 = 0x00020000, INTR_PCCTX = 0x00010000, INTR_RX3EMP = 0x00008000, INTR_RX2EMP = 0x00004000, INTR_RX1EMP = 0x00002000, INTR_RX0EMP = 0x00001000, INTR_RX3 = 0x00000800, INTR_RX2 = 0x00000400, INTR_RX1 = 0x00000200, INTR_RX0 = 0x00000100, INTR_TX7 = 0x00000080, INTR_TX6 = 0x00000040, INTR_TX5 = 0x00000020, INTR_TX4 = 0x00000010, INTR_TX3 = 0x00000008, INTR_TX2 = 0x00000004, INTR_TX1 = 0x00000002, INTR_TX0 = 0x00000001, }; static const u32 INTR_ENABLE = INTR_SWINTR | INTR_TMINTR | INTR_LINKCH | INTR_PCCRX0TO | INTR_PCCRX0 | INTR_PCCTXTO | INTR_PCCTX | INTR_RX0EMP; /* * PCC Control Registers */ enum jme_pccrx_masks { PCCRXTO_MASK = 0xFFFF0000, PCCRX_MASK = 0x0000FF00, }; enum jme_pcctx_masks { PCCTXTO_MASK = 0xFFFF0000, PCCTX_MASK = 0x0000FF00, PCCTX_QS_MASK = 0x000000FF, }; enum jme_pccrx_shifts { PCCRXTO_SHIFT = 16, PCCRX_SHIFT = 8, }; enum jme_pcctx_shifts { PCCTXTO_SHIFT = 16, PCCTX_SHIFT = 8, }; enum jme_pcctx_bits { PCCTXQ0_EN = 0x00000001, PCCTXQ1_EN = 0x00000002, PCCTXQ2_EN = 0x00000004, PCCTXQ3_EN = 0x00000008, PCCTXQ4_EN = 0x00000010, PCCTXQ5_EN = 0x00000020, PCCTXQ6_EN = 0x00000040, PCCTXQ7_EN = 0x00000080, }; /* * Chip Mode Register */ enum jme_chipmode_bit_masks { CM_FPGAVER_MASK = 0xFFFF0000, CM_CHIPREV_MASK = 0x0000FF00, CM_CHIPMODE_MASK = 0x0000000F, }; enum jme_chipmode_shifts { CM_FPGAVER_SHIFT = 16, CM_CHIPREV_SHIFT = 8, }; /* * Aggressive Power Mode Control */ enum jme_apmc_bits { JME_APMC_PCIE_SD_EN = 0x40000000, JME_APMC_PSEUDO_HP_EN = 0x20000000, JME_APMC_EPIEN = 0x04000000, JME_APMC_EPIEN_CTRL = 0x03000000, }; enum jme_apmc_values { JME_APMC_EPIEN_CTRL_EN = 0x02000000, JME_APMC_EPIEN_CTRL_DIS = 0x01000000, }; #define APMC_PHP_SHUTDOWN_DELAY (10 * 1000 * 1000) #ifdef REG_DEBUG static char *MAC_REG_NAME[] = { "JME_TXCS", "JME_TXDBA_LO", "JME_TXDBA_HI", "JME_TXQDC", "JME_TXNDA", "JME_TXMCS", "JME_TXPFC", "JME_TXTRHD", "JME_RXCS", "JME_RXDBA_LO", "JME_RXDBA_HI", "JME_RXQDC", "JME_RXNDA", "JME_RXMCS", "JME_RXUMA_LO", "JME_RXUMA_HI", "JME_RXMCHT_LO", "JME_RXMCHT_HI", "JME_WFODP", "JME_WFOI", "JME_SMI", "JME_GHC", "UNKNOWN", "UNKNOWN", "JME_PMCS"}; static char *PE_REG_NAME[] = { "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "JME_PHY_CS", "UNKNOWN", "JME_PHY_LINK", "UNKNOWN", "UNKNOWN", "UNKNOWN", "JME_SMBCSR", "JME_SMBINTF"}; static char *MISC_REG_NAME[] = { "JME_TMCSR", "JME_GPIO", "JME_GPREG0", "JME_GPREG1", "JME_IEVE", "JME_IREQ", "JME_IENS", "JME_IENC", "JME_PCCRX0", "JME_PCCRX1", "JME_PCCRX2", "JME_PCCRX3", "JME_PCCTX0", "JME_CHIPMODE", "JME_SHBA_HI", "JME_SHBA_LO", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "UNKNOWN", "JME_TIMER1", "JME_TIMER2", "UNKNOWN", "JME_APMC", "JME_PCCSRX0"}; static inline void reg_dbg(const struct jme_adapter *jme, const char *msg, u32 val, u32 reg) { const char *regname; switch (reg & 0xF00) { case 0x000: regname = MAC_REG_NAME[(reg & 0xFF) >> 2]; break; case 0x400: regname = PE_REG_NAME[(reg & 0xFF) >> 2]; break; case 0x800: regname = MISC_REG_NAME[(reg & 0xFF) >> 2]; break; default: regname = PE_REG_NAME[0]; } printk(KERN_DEBUG "%s: %-20s %08x@%s\n", jme->dev->name, msg, val, regname); } #else static inline void reg_dbg(const struct jme_adapter *jme, const char *msg, u32 val, u32 reg) {} #endif /* * Read/Write MMaped I/O Registers */ static inline u32 jread32(struct jme_adapter *jme, u32 reg) { return readl(jme->regs + reg); } static inline void jwrite32(struct jme_adapter *jme, u32 reg, u32 val) { reg_dbg(jme, "REG WRITE", val, reg); writel(val, jme->regs + reg); reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); } static inline void jwrite32f(struct jme_adapter *jme, u32 reg, u32 val) { /* * Read after write should cause flush */ reg_dbg(jme, "REG WRITE FLUSH", val, reg); writel(val, jme->regs + reg); readl(jme->regs + reg); reg_dbg(jme, "VAL AFTER WRITE", readl(jme->regs + reg), reg); } /* * PHY Regs */ enum jme_phy_reg17_bit_masks { PREG17_SPEED = 0xC000, PREG17_DUPLEX = 0x2000, PREG17_SPDRSV = 0x0800, PREG17_LNKUP = 0x0400, PREG17_MDI = 0x0040, }; enum jme_phy_reg17_vals { PREG17_SPEED_10M = 0x0000, PREG17_SPEED_100M = 0x4000, PREG17_SPEED_1000M = 0x8000, }; #define BMSR_ANCOMP 0x0020 /* * Workaround */ static inline int is_buggy250(unsigned short device, u8 chiprev) { return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11; } static inline int new_phy_power_ctrl(u8 chip_main_rev) { return chip_main_rev >= 5; } /* * Function prototypes */ static int jme_set_settings(struct net_device *netdev, struct ethtool_cmd *ecmd); static void jme_set_unicastaddr(struct net_device *netdev); static void jme_set_multi(struct net_device *netdev); #endif