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authorChris Snook <csnook@redhat.com>2008-09-15 04:56:10 +0400
committerJeff Garzik <jgarzik@redhat.com>2008-09-18 19:34:52 +0400
commit452c1ce218a68b5dbd626397ecfc65ca89dd3cbb (patch)
tree1d51e20c216d1670ea22da23c3e6a1883b0c0b6d /drivers/net/atlx/atl2.h
parent63f2c0464875b6ef2132cecb19b2a5abbf061227 (diff)
downloadlinux-452c1ce218a68b5dbd626397ecfc65ca89dd3cbb.tar.xz
atl2: add atl2 driver
Driver for Atheros L2 10/100 network device. Includes necessary changes for Kconfig, Makefile, and pci_ids.h. Signed-off-by: Chris Snook <csnook@redhat.com> Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/net/atlx/atl2.h')
-rw-r--r--drivers/net/atlx/atl2.h530
1 files changed, 530 insertions, 0 deletions
diff --git a/drivers/net/atlx/atl2.h b/drivers/net/atlx/atl2.h
new file mode 100644
index 000000000000..6e1f28ff227b
--- /dev/null
+++ b/drivers/net/atlx/atl2.h
@@ -0,0 +1,530 @@
+/* atl2.h -- atl2 driver definitions
+ *
+ * Copyright(c) 2007 Atheros Corporation. All rights reserved.
+ * Copyright(c) 2006 xiong huang <xiong.huang@atheros.com>
+ * Copyright(c) 2007 Chris Snook <csnook@redhat.com>
+ *
+ * Derived from Intel e1000 driver
+ * Copyright(c) 1999 - 2005 Intel Corporation. All rights reserved.
+ *
+ * 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, or (at your option)
+ * any later version.
+ *
+ * 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., 59
+ * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifndef _ATL2_H_
+#define _ATL2_H_
+
+#include <asm/atomic.h>
+#include <linux/netdevice.h>
+
+#ifndef _ATL2_HW_H_
+#define _ATL2_HW_H_
+
+#ifndef _ATL2_OSDEP_H_
+#define _ATL2_OSDEP_H_
+
+#include <linux/pci.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/if_ether.h>
+
+#include "atlx.h"
+
+#ifdef ETHTOOL_OPS_COMPAT
+extern int ethtool_ioctl(struct ifreq *ifr);
+#endif
+
+#define PCI_COMMAND_REGISTER PCI_COMMAND
+#define CMD_MEM_WRT_INVALIDATE PCI_COMMAND_INVALIDATE
+#define ETH_ADDR_LEN ETH_ALEN
+
+#define ATL2_WRITE_REG(a, reg, value) (iowrite32((value), \
+ ((a)->hw_addr + (reg))))
+
+#define ATL2_WRITE_FLUSH(a) (ioread32((a)->hw_addr))
+
+#define ATL2_READ_REG(a, reg) (ioread32((a)->hw_addr + (reg)))
+
+#define ATL2_WRITE_REGB(a, reg, value) (iowrite8((value), \
+ ((a)->hw_addr + (reg))))
+
+#define ATL2_READ_REGB(a, reg) (ioread8((a)->hw_addr + (reg)))
+
+#define ATL2_WRITE_REGW(a, reg, value) (iowrite16((value), \
+ ((a)->hw_addr + (reg))))
+
+#define ATL2_READ_REGW(a, reg) (ioread16((a)->hw_addr + (reg)))
+
+#define ATL2_WRITE_REG_ARRAY(a, reg, offset, value) \
+ (iowrite32((value), (((a)->hw_addr + (reg)) + ((offset) << 2))))
+
+#define ATL2_READ_REG_ARRAY(a, reg, offset) \
+ (ioread32(((a)->hw_addr + (reg)) + ((offset) << 2)))
+
+#endif /* _ATL2_OSDEP_H_ */
+
+struct atl2_adapter;
+struct atl2_hw;
+
+/* function prototype */
+static s32 atl2_reset_hw(struct atl2_hw *hw);
+static s32 atl2_read_mac_addr(struct atl2_hw *hw);
+static s32 atl2_init_hw(struct atl2_hw *hw);
+static s32 atl2_get_speed_and_duplex(struct atl2_hw *hw, u16 *speed,
+ u16 *duplex);
+static u32 atl2_hash_mc_addr(struct atl2_hw *hw, u8 *mc_addr);
+static void atl2_hash_set(struct atl2_hw *hw, u32 hash_value);
+static s32 atl2_read_phy_reg(struct atl2_hw *hw, u16 reg_addr, u16 *phy_data);
+static s32 atl2_write_phy_reg(struct atl2_hw *hw, u32 reg_addr, u16 phy_data);
+static void atl2_read_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value);
+static void atl2_write_pci_cfg(struct atl2_hw *hw, u32 reg, u16 *value);
+static void atl2_set_mac_addr(struct atl2_hw *hw);
+static bool atl2_read_eeprom(struct atl2_hw *hw, u32 Offset, u32 *pValue);
+static bool atl2_write_eeprom(struct atl2_hw *hw, u32 offset, u32 value);
+static s32 atl2_phy_init(struct atl2_hw *hw);
+static int atl2_check_eeprom_exist(struct atl2_hw *hw);
+static void atl2_force_ps(struct atl2_hw *hw);
+
+/* register definition */
+
+/* Block IDLE Status Register */
+#define IDLE_STATUS_RXMAC 1 /* 1: RXMAC is non-IDLE */
+#define IDLE_STATUS_TXMAC 2 /* 1: TXMAC is non-IDLE */
+#define IDLE_STATUS_DMAR 8 /* 1: DMAR is non-IDLE */
+#define IDLE_STATUS_DMAW 4 /* 1: DMAW is non-IDLE */
+
+/* MDIO Control Register */
+#define MDIO_WAIT_TIMES 10
+
+/* MAC Control Register */
+#define MAC_CTRL_DBG_TX_BKPRESURE 0x100000 /* 1: TX max backoff */
+#define MAC_CTRL_MACLP_CLK_PHY 0x8000000 /* 1: 25MHz from phy */
+#define MAC_CTRL_HALF_LEFT_BUF_SHIFT 28
+#define MAC_CTRL_HALF_LEFT_BUF_MASK 0xF /* MAC retry buf x32B */
+
+/* Internal SRAM Partition Register */
+#define REG_SRAM_TXRAM_END 0x1500 /* Internal tail address of TXRAM
+ * default: 2byte*1024 */
+#define REG_SRAM_RXRAM_END 0x1502 /* Internal tail address of RXRAM
+ * default: 2byte*1024 */
+
+/* Descriptor Control register */
+#define REG_TXD_BASE_ADDR_LO 0x1544 /* The base address of the Transmit
+ * Data Mem low 32-bit(dword align) */
+#define REG_TXD_MEM_SIZE 0x1548 /* Transmit Data Memory size(by
+ * double word , max 256KB) */
+#define REG_TXS_BASE_ADDR_LO 0x154C /* The base address of the Transmit
+ * Status Memory low 32-bit(dword word
+ * align) */
+#define REG_TXS_MEM_SIZE 0x1550 /* double word unit, max 4*2047
+ * bytes. */
+#define REG_RXD_BASE_ADDR_LO 0x1554 /* The base address of the Transmit
+ * Status Memory low 32-bit(unit 8
+ * bytes) */
+#define REG_RXD_BUF_NUM 0x1558 /* Receive Data & Status Memory buffer
+ * number (unit 1536bytes, max
+ * 1536*2047) */
+
+/* DMAR Control Register */
+#define REG_DMAR 0x1580
+#define DMAR_EN 0x1 /* 1: Enable DMAR */
+
+/* TX Cur-Through (early tx threshold) Control Register */
+#define REG_TX_CUT_THRESH 0x1590 /* TxMac begin transmit packet
+ * threshold(unit word) */
+
+/* DMAW Control Register */
+#define REG_DMAW 0x15A0
+#define DMAW_EN 0x1
+
+/* Flow control register */
+#define REG_PAUSE_ON_TH 0x15A8 /* RXD high watermark of overflow
+ * threshold configuration register */
+#define REG_PAUSE_OFF_TH 0x15AA /* RXD lower watermark of overflow
+ * threshold configuration register */
+
+/* Mailbox Register */
+#define REG_MB_TXD_WR_IDX 0x15f0 /* double word align */
+#define REG_MB_RXD_RD_IDX 0x15F4 /* RXD Read index (unit: 1536byets) */
+
+/* Interrupt Status Register */
+#define ISR_TIMER 1 /* Interrupt when Timer counts down to zero */
+#define ISR_MANUAL 2 /* Software manual interrupt, for debug. Set
+ * when SW_MAN_INT_EN is set in Table 51
+ * Selene Master Control Register
+ * (Offset 0x1400). */
+#define ISR_RXF_OV 4 /* RXF overflow interrupt */
+#define ISR_TXF_UR 8 /* TXF underrun interrupt */
+#define ISR_TXS_OV 0x10 /* Internal transmit status buffer full
+ * interrupt */
+#define ISR_RXS_OV 0x20 /* Internal receive status buffer full
+ * interrupt */
+#define ISR_LINK_CHG 0x40 /* Link Status Change Interrupt */
+#define ISR_HOST_TXD_UR 0x80
+#define ISR_HOST_RXD_OV 0x100 /* Host rx data memory full , one pulse */
+#define ISR_DMAR_TO_RST 0x200 /* DMAR op timeout interrupt. SW should
+ * do Reset */
+#define ISR_DMAW_TO_RST 0x400
+#define ISR_PHY 0x800 /* phy interrupt */
+#define ISR_TS_UPDATE 0x10000 /* interrupt after new tx pkt status written
+ * to host */
+#define ISR_RS_UPDATE 0x20000 /* interrupt ater new rx pkt status written
+ * to host. */
+#define ISR_TX_EARLY 0x40000 /* interrupt when txmac begin transmit one
+ * packet */
+
+#define ISR_TX_EVENT (ISR_TXF_UR | ISR_TXS_OV | ISR_HOST_TXD_UR |\
+ ISR_TS_UPDATE | ISR_TX_EARLY)
+#define ISR_RX_EVENT (ISR_RXF_OV | ISR_RXS_OV | ISR_HOST_RXD_OV |\
+ ISR_RS_UPDATE)
+
+#define IMR_NORMAL_MASK (\
+ /*ISR_LINK_CHG |*/\
+ ISR_MANUAL |\
+ ISR_DMAR_TO_RST |\
+ ISR_DMAW_TO_RST |\
+ ISR_PHY |\
+ ISR_PHY_LINKDOWN |\
+ ISR_TS_UPDATE |\
+ ISR_RS_UPDATE)
+
+/* Receive MAC Statistics Registers */
+#define REG_STS_RX_PAUSE 0x1700 /* Num pause packets received */
+#define REG_STS_RXD_OV 0x1704 /* Num frames dropped due to RX
+ * FIFO overflow */
+#define REG_STS_RXS_OV 0x1708 /* Num frames dropped due to RX
+ * Status Buffer Overflow */
+#define REG_STS_RX_FILTER 0x170C /* Num packets dropped due to
+ * address filtering */
+
+/* MII definitions */
+
+/* PHY Common Register */
+#define MII_SMARTSPEED 0x14
+#define MII_DBG_ADDR 0x1D
+#define MII_DBG_DATA 0x1E
+
+/* PCI Command Register Bit Definitions */
+#define PCI_REG_COMMAND 0x04
+#define CMD_IO_SPACE 0x0001
+#define CMD_MEMORY_SPACE 0x0002
+#define CMD_BUS_MASTER 0x0004
+
+#define MEDIA_TYPE_100M_FULL 1
+#define MEDIA_TYPE_100M_HALF 2
+#define MEDIA_TYPE_10M_FULL 3
+#define MEDIA_TYPE_10M_HALF 4
+
+#define AUTONEG_ADVERTISE_SPEED_DEFAULT 0x000F /* Everything */
+
+/* The size (in bytes) of a ethernet packet */
+#define ENET_HEADER_SIZE 14
+#define MAXIMUM_ETHERNET_FRAME_SIZE 1518 /* with FCS */
+#define MINIMUM_ETHERNET_FRAME_SIZE 64 /* with FCS */
+#define ETHERNET_FCS_SIZE 4
+#define MAX_JUMBO_FRAME_SIZE 0x2000
+#define VLAN_SIZE 4
+
+struct tx_pkt_header {
+ unsigned pkt_size:11;
+ unsigned:4; /* reserved */
+ unsigned ins_vlan:1; /* txmac should insert vlan */
+ unsigned short vlan; /* vlan tag */
+};
+/* FIXME: replace above bitfields with MASK/SHIFT defines below */
+#define TX_PKT_HEADER_SIZE_MASK 0x7FF
+#define TX_PKT_HEADER_SIZE_SHIFT 0
+#define TX_PKT_HEADER_INS_VLAN_MASK 0x1
+#define TX_PKT_HEADER_INS_VLAN_SHIFT 15
+#define TX_PKT_HEADER_VLAN_TAG_MASK 0xFFFF
+#define TX_PKT_HEADER_VLAN_TAG_SHIFT 16
+
+struct tx_pkt_status {
+ unsigned pkt_size:11;
+ unsigned:5; /* reserved */
+ unsigned ok:1; /* current packet transmitted without error */
+ unsigned bcast:1; /* broadcast packet */
+ unsigned mcast:1; /* multicast packet */
+ unsigned pause:1; /* transmiited a pause frame */
+ unsigned ctrl:1;
+ unsigned defer:1; /* current packet is xmitted with defer */
+ unsigned exc_defer:1;
+ unsigned single_col:1;
+ unsigned multi_col:1;
+ unsigned late_col:1;
+ unsigned abort_col:1;
+ unsigned underun:1; /* current packet is aborted
+ * due to txram underrun */
+ unsigned:3; /* reserved */
+ unsigned update:1; /* always 1'b1 in tx_status_buf */
+};
+/* FIXME: replace above bitfields with MASK/SHIFT defines below */
+#define TX_PKT_STATUS_SIZE_MASK 0x7FF
+#define TX_PKT_STATUS_SIZE_SHIFT 0
+#define TX_PKT_STATUS_OK_MASK 0x1
+#define TX_PKT_STATUS_OK_SHIFT 16
+#define TX_PKT_STATUS_BCAST_MASK 0x1
+#define TX_PKT_STATUS_BCAST_SHIFT 17
+#define TX_PKT_STATUS_MCAST_MASK 0x1
+#define TX_PKT_STATUS_MCAST_SHIFT 18
+#define TX_PKT_STATUS_PAUSE_MASK 0x1
+#define TX_PKT_STATUS_PAUSE_SHIFT 19
+#define TX_PKT_STATUS_CTRL_MASK 0x1
+#define TX_PKT_STATUS_CTRL_SHIFT 20
+#define TX_PKT_STATUS_DEFER_MASK 0x1
+#define TX_PKT_STATUS_DEFER_SHIFT 21
+#define TX_PKT_STATUS_EXC_DEFER_MASK 0x1
+#define TX_PKT_STATUS_EXC_DEFER_SHIFT 22
+#define TX_PKT_STATUS_SINGLE_COL_MASK 0x1
+#define TX_PKT_STATUS_SINGLE_COL_SHIFT 23
+#define TX_PKT_STATUS_MULTI_COL_MASK 0x1
+#define TX_PKT_STATUS_MULTI_COL_SHIFT 24
+#define TX_PKT_STATUS_LATE_COL_MASK 0x1
+#define TX_PKT_STATUS_LATE_COL_SHIFT 25
+#define TX_PKT_STATUS_ABORT_COL_MASK 0x1
+#define TX_PKT_STATUS_ABORT_COL_SHIFT 26
+#define TX_PKT_STATUS_UNDERRUN_MASK 0x1
+#define TX_PKT_STATUS_UNDERRUN_SHIFT 27
+#define TX_PKT_STATUS_UPDATE_MASK 0x1
+#define TX_PKT_STATUS_UPDATE_SHIFT 31
+
+struct rx_pkt_status {
+ unsigned pkt_size:11; /* packet size, max 2047 bytes */
+ unsigned:5; /* reserved */
+ unsigned ok:1; /* current packet received ok without error */
+ unsigned bcast:1; /* current packet is broadcast */
+ unsigned mcast:1; /* current packet is multicast */
+ unsigned pause:1;
+ unsigned ctrl:1;
+ unsigned crc:1; /* received a packet with crc error */
+ unsigned code:1; /* received a packet with code error */
+ unsigned runt:1; /* received a packet less than 64 bytes
+ * with good crc */
+ unsigned frag:1; /* received a packet less than 64 bytes
+ * with bad crc */
+ unsigned trunc:1; /* current frame truncated due to rxram full */
+ unsigned align:1; /* this packet is alignment error */
+ unsigned vlan:1; /* this packet has vlan */
+ unsigned:3; /* reserved */
+ unsigned update:1;
+ unsigned short vtag; /* vlan tag */
+ unsigned:16;
+};
+/* FIXME: replace above bitfields with MASK/SHIFT defines below */
+#define RX_PKT_STATUS_SIZE_MASK 0x7FF
+#define RX_PKT_STATUS_SIZE_SHIFT 0
+#define RX_PKT_STATUS_OK_MASK 0x1
+#define RX_PKT_STATUS_OK_SHIFT 16
+#define RX_PKT_STATUS_BCAST_MASK 0x1
+#define RX_PKT_STATUS_BCAST_SHIFT 17
+#define RX_PKT_STATUS_MCAST_MASK 0x1
+#define RX_PKT_STATUS_MCAST_SHIFT 18
+#define RX_PKT_STATUS_PAUSE_MASK 0x1
+#define RX_PKT_STATUS_PAUSE_SHIFT 19
+#define RX_PKT_STATUS_CTRL_MASK 0x1
+#define RX_PKT_STATUS_CTRL_SHIFT 20
+#define RX_PKT_STATUS_CRC_MASK 0x1
+#define RX_PKT_STATUS_CRC_SHIFT 21
+#define RX_PKT_STATUS_CODE_MASK 0x1
+#define RX_PKT_STATUS_CODE_SHIFT 22
+#define RX_PKT_STATUS_RUNT_MASK 0x1
+#define RX_PKT_STATUS_RUNT_SHIFT 23
+#define RX_PKT_STATUS_FRAG_MASK 0x1
+#define RX_PKT_STATUS_FRAG_SHIFT 24
+#define RX_PKT_STATUS_TRUNK_MASK 0x1
+#define RX_PKT_STATUS_TRUNK_SHIFT 25
+#define RX_PKT_STATUS_ALIGN_MASK 0x1
+#define RX_PKT_STATUS_ALIGN_SHIFT 26
+#define RX_PKT_STATUS_VLAN_MASK 0x1
+#define RX_PKT_STATUS_VLAN_SHIFT 27
+#define RX_PKT_STATUS_UPDATE_MASK 0x1
+#define RX_PKT_STATUS_UPDATE_SHIFT 31
+#define RX_PKT_STATUS_VLAN_TAG_MASK 0xFFFF
+#define RX_PKT_STATUS_VLAN_TAG_SHIFT 32
+
+struct rx_desc {
+ struct rx_pkt_status status;
+ unsigned char packet[1536-sizeof(struct rx_pkt_status)];
+};
+
+enum atl2_speed_duplex {
+ atl2_10_half = 0,
+ atl2_10_full = 1,
+ atl2_100_half = 2,
+ atl2_100_full = 3
+};
+
+struct atl2_spi_flash_dev {
+ const char *manu_name; /* manufacturer id */
+ /* op-code */
+ u8 cmdWRSR;
+ u8 cmdREAD;
+ u8 cmdPROGRAM;
+ u8 cmdWREN;
+ u8 cmdWRDI;
+ u8 cmdRDSR;
+ u8 cmdRDID;
+ u8 cmdSECTOR_ERASE;
+ u8 cmdCHIP_ERASE;
+};
+
+/* Structure containing variables used by the shared code (atl2_hw.c) */
+struct atl2_hw {
+ u8 __iomem *hw_addr;
+ void *back;
+
+ u8 preamble_len;
+ u8 max_retry; /* Retransmission maximum, afterwards the
+ * packet will be discarded. */
+ u8 jam_ipg; /* IPG to start JAM for collision based flow
+ * control in half-duplex mode. In unit of
+ * 8-bit time. */
+ u8 ipgt; /* Desired back to back inter-packet gap. The
+ * default is 96-bit time. */
+ u8 min_ifg; /* Minimum number of IFG to enforce in between
+ * RX frames. Frame gap below such IFP is
+ * dropped. */
+ u8 ipgr1; /* 64bit Carrier-Sense window */
+ u8 ipgr2; /* 96-bit IPG window */
+ u8 retry_buf; /* When half-duplex mode, should hold some
+ * bytes for mac retry . (8*4bytes unit) */
+
+ u16 fc_rxd_hi;
+ u16 fc_rxd_lo;
+ u16 lcol; /* Collision Window */
+ u16 max_frame_size;
+
+ u16 MediaType;
+ u16 autoneg_advertised;
+ u16 pci_cmd_word;
+
+ u16 mii_autoneg_adv_reg;
+
+ u32 mem_rang;
+ u32 txcw;
+ u32 mc_filter_type;
+ u32 num_mc_addrs;
+ u32 collision_delta;
+ u32 tx_packet_delta;
+ u16 phy_spd_default;
+
+ u16 device_id;
+ u16 vendor_id;
+ u16 subsystem_id;
+ u16 subsystem_vendor_id;
+ u8 revision_id;
+
+ /* spi flash */
+ u8 flash_vendor;
+
+ u8 dma_fairness;
+ u8 mac_addr[NODE_ADDRESS_SIZE];
+ u8 perm_mac_addr[NODE_ADDRESS_SIZE];
+
+ /* FIXME */
+ /* bool phy_preamble_sup; */
+ bool phy_configured;
+};
+
+#endif /* _ATL2_HW_H_ */
+
+struct atl2_ring_header {
+ /* pointer to the descriptor ring memory */
+ void *desc;
+ /* physical adress of the descriptor ring */
+ dma_addr_t dma;
+ /* length of descriptor ring in bytes */
+ unsigned int size;
+};
+
+/* board specific private data structure */
+struct atl2_adapter {
+ /* OS defined structs */
+ struct net_device *netdev;
+ struct pci_dev *pdev;
+ struct net_device_stats net_stats;
+#ifdef NETIF_F_HW_VLAN_TX
+ struct vlan_group *vlgrp;
+#endif
+ u32 wol;
+ u16 link_speed;
+ u16 link_duplex;
+
+ spinlock_t stats_lock;
+ spinlock_t tx_lock;
+
+ struct work_struct reset_task;
+ struct work_struct link_chg_task;
+ struct timer_list watchdog_timer;
+ struct timer_list phy_config_timer;
+
+ unsigned long cfg_phy;
+ bool mac_disabled;
+
+ /* All Descriptor memory */
+ dma_addr_t ring_dma;
+ void *ring_vir_addr;
+ int ring_size;
+
+ struct tx_pkt_header *txd_ring;
+ dma_addr_t txd_dma;
+
+ struct tx_pkt_status *txs_ring;
+ dma_addr_t txs_dma;
+
+ struct rx_desc *rxd_ring;
+ dma_addr_t rxd_dma;
+
+ u32 txd_ring_size; /* bytes per unit */
+ u32 txs_ring_size; /* dwords per unit */
+ u32 rxd_ring_size; /* 1536 bytes per unit */
+
+ /* read /write ptr: */
+ /* host */
+ u32 txd_write_ptr;
+ u32 txs_next_clear;
+ u32 rxd_read_ptr;
+
+ /* nic */
+ atomic_t txd_read_ptr;
+ atomic_t txs_write_ptr;
+ u32 rxd_write_ptr;
+
+ /* Interrupt Moderator timer ( 2us resolution) */
+ u16 imt;
+ /* Interrupt Clear timer (2us resolution) */
+ u16 ict;
+
+ unsigned long flags;
+ /* structs defined in atl2_hw.h */
+ u32 bd_number; /* board number */
+ bool pci_using_64;
+ bool have_msi;
+ struct atl2_hw hw;
+
+ u32 usr_cmd;
+ /* FIXME */
+ /* u32 regs_buff[ATL2_REGS_LEN]; */
+ u32 pci_state[16];
+
+ u32 *config_space;
+};
+
+enum atl2_state_t {
+ __ATL2_TESTING,
+ __ATL2_RESETTING,
+ __ATL2_DOWN
+};
+
+#endif /* _ATL2_H_ */