linux_dsm_epyc7002/drivers/net/ethernet/jme.h
Thomas Gleixner 8fe76f5a53 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 195
Based on 1 normalized pattern(s):

  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

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Steve Winslow <swinslow@gmail.com>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Reviewed-by: Alexios Zavras <alexios.zavras@intel.com>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190528170027.538300784@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-05-30 11:29:22 -07:00

1266 lines
30 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* 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>
*/
#ifndef __JME_H_INCLUDED__
#define __JME_H_INCLUDED__
#include <linux/interrupt.h>
#define DRV_NAME "jme"
#define DRV_VERSION "1.0.8"
#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 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_link_ksettings old_cmd;
unsigned int old_mtu;
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);
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_16QW |
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,
};
/* Extern PHY common register 2 */
#define PHY_GAD_TEST_MODE_1 0x00002000
#define PHY_GAD_TEST_MODE_MSK 0x0000E000
#define JM_PHY_SPEC_REG_READ 0x00004000
#define JM_PHY_SPEC_REG_WRITE 0x00008000
#define PHY_CALIBRATION_DELAY 20
#define JM_PHY_SPEC_ADDR_REG 0x1E
#define JM_PHY_SPEC_DATA_REG 0x1F
#define JM_PHY_EXT_COMM_0_REG 0x30
#define JM_PHY_EXT_COMM_1_REG 0x31
#define JM_PHY_EXT_COMM_2_REG 0x32
#define JM_PHY_EXT_COMM_2_CALI_ENABLE 0x01
#define JM_PHY_EXT_COMM_2_CALI_MODE_0 0x02
#define JM_PHY_EXT_COMM_2_CALI_LATCH 0x10
#define PCI_PRIV_SHARE_NICCTRL 0xF5
#define JME_FLAG_PHYEA_ENABLE 0x2
/*
* 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_link_ksettings(struct net_device *netdev,
const struct ethtool_link_ksettings *cmd);
static void jme_set_unicastaddr(struct net_device *netdev);
static void jme_set_multi(struct net_device *netdev);
#endif