/*
* JMicron JMC2x0 series PCIe Ethernet Linux Device Driver
*
* Copyright 2008 JMicron Technology Corporation
* http://www.jmicron.com/
*
* 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__
#define DRV_NAME "jme"
#define DRV_VERSION "1.0.6"
#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
/*
* 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 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;
unsigned int chiprev;
u8 rev;
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_TXCSUM = 3,
JME_FLAG_TSO = 4,
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_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,
};
/*
* 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_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_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_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,
};
/*
* 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
* Note: All theses bits defined here are for
* Chip mode revision 0x11 only
*/
enum jme_gpreg1_masks {
GPREG1_INTRDELAYUNIT = 0x00000018,
GPREG1_INTRDELAYENABLE = 0x00000007,
};
enum jme_gpreg1_vals {
GPREG1_RSSPATCH = 0x00000040,
GPREG1_HALFMODEPATCH = 0x00000020,
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 = 0x00000000,
};
/*
* 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, unsigned int chiprev)
{
return device == PCI_DEVICE_ID_JMICRON_JMC250 && chiprev == 0x11;
}
/*
* Function prototypes
*/
static int jme_set_settings(struct net_device *netdev,
struct ethtool_cmd *ecmd);
static void jme_set_multi(struct net_device *netdev);
#endif
