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/*

 *  olympic.h (c) 1999 Peter De Schrijver All Rights Reserved

 *                1999,2000 Mike Phillips (mikep@linuxtr.net)

 *

 *  Linux driver for IBM PCI tokenring cards based on the olympic and the PIT/PHY chipset.

 *

 *  Base Driver Skeleton:

 *      Written 1993-94 by Donald Becker.

 *

 *      Copyright 1993 United States Government as represented by the

 *      Director, National Security Agency.

 *

 *  This software may be used and distributed according to the terms

 *  of the GNU General Public License, incorporated herein by reference.

 */

#define CID 0x4e

#define BCTL 0x70

#define BCTL_SOFTRESET (1<<15)

#define BCTL_MIMREB (1<<6)

#define BCTL_MODE_INDICATOR (1<<5)

#define GPR 0x4a

#define GPR_OPTI_BF (1<<6)

#define GPR_NEPTUNE_BF (1<<4) 

#define GPR_AUTOSENSE (1<<2)

#define GPR_16MBPS (1<<3) 

#define PAG 0x85

#define LBC 0x8e

#define LISR 0x10

#define LISR_SUM 0x14

#define LISR_RWM 0x18

#define LISR_LIE (1<<15)

#define LISR_SLIM (1<<13)

#define LISR_SLI (1<<12)

#define LISR_PCMSRMASK (1<<11)

#define LISR_PCMSRINT (1<<10)

#define LISR_WOLMASK (1<<9)

#define LISR_WOL (1<<8)

#define LISR_SRB_CMD (1<<5)

#define LISR_ASB_REPLY (1<<4)

#define LISR_ASB_FREE_REQ (1<<2)

#define LISR_ARB_FREE (1<<1)

#define LISR_TRB_FRAME (1<<0)

#define SISR 0x20

#define SISR_SUM 0x24

#define SISR_RWM 0x28

#define SISR_RR 0x2C

#define SISR_RESMASK 0x30

#define SISR_MASK 0x54

#define SISR_MASK_SUM 0x58

#define SISR_MASK_RWM 0x5C

#define SISR_TX2_IDLE (1<<31)

#define SISR_TX2_HALT (1<<29)

#define SISR_TX2_EOF (1<<28)

#define SISR_TX1_IDLE (1<<27)

#define SISR_TX1_HALT (1<<25)

#define SISR_TX1_EOF (1<<24)

#define SISR_TIMEOUT (1<<23)

#define SISR_RX_NOBUF (1<<22)

#define SISR_RX_STATUS (1<<21)

#define SISR_RX_HALT (1<<18)

#define SISR_RX_EOF_EARLY (1<<16)

#define SISR_MI (1<<15)

#define SISR_PI (1<<13)

#define SISR_ERR (1<<9)

#define SISR_ADAPTER_CHECK (1<<6)

#define SISR_SRB_REPLY (1<<5)

#define SISR_ASB_FREE (1<<4)

#define SISR_ARB_CMD (1<<3)

#define SISR_TRB_REPLY (1<<2)

#define EISR 0x34

#define EISR_RWM 0x38

#define EISR_MASK 0x3c

#define EISR_MASK_OPTIONS 0x001FFF7F

#define LAPA 0x60

#define LAPWWO 0x64

#define LAPWWC 0x68

#define LAPCTL 0x6C

#define LAIPD 0x78

#define LAIPDDINC 0x7C

#define TIMER 0x50

#define CLKCTL 0x74

#define CLKCTL_PAUSE (1<<15) 

#define PM_CON 0x4

#define BMCTL_SUM 0x40

#define BMCTL_RWM 0x44

#define BMCTL_TX2_DIS (1<<30) 

#define BMCTL_TX1_DIS (1<<26) 

#define BMCTL_RX_DIS (1<<22) 

#define BMASR 0xcc

#define RXDESCQ 0x90

#define RXDESCQCNT 0x94

#define RXCDA 0x98

#define RXENQ 0x9C

#define RXSTATQ 0xA0

#define RXSTATQCNT 0xA4

#define RXCSA 0xA8

#define RXCLEN 0xAC

#define RXHLEN 0xAE

#define TXDESCQ_1 0xb0

#define TXDESCQ_2 0xd0

#define TXDESCQCNT_1 0xb4

#define TXDESCQCNT_2 0xd4

#define TXCDA_1 0xb8

#define TXCDA_2 0xd8

#define TXENQ_1 0xbc

#define TXENQ_2 0xdc

#define TXSTATQ_1 0xc0

#define TXSTATQ_2 0xe0

#define TXSTATQCNT_1 0xc4

#define TXSTATQCNT_2 0xe4

#define TXCSA_1 0xc8

#define TXCSA_2 0xe8

/* Cardbus */

#define FERMASK 0xf4

#define FERMASK_INT_BIT (1<<15)

#define OLYMPIC_IO_SPACE 256

#define SRB_COMMAND_SIZE 50

#define OLYMPIC_MAX_ADAPTERS 8 /* 0x08 __MODULE_STRING can't hand 0xnn */

/* Defines for LAN STATUS CHANGE reports */

#define LSC_SIG_LOSS 0x8000

#define LSC_HARD_ERR 0x4000

#define LSC_SOFT_ERR 0x2000

#define LSC_TRAN_BCN 0x1000

#define LSC_LWF      0x0800

#define LSC_ARW      0x0400

#define LSC_FPE      0x0200

#define LSC_RR       0x0100

#define LSC_CO       0x0080

#define LSC_SS       0x0040

#define LSC_RING_REC 0x0020

#define LSC_SR_CO    0x0010

#define LSC_FDX_MODE 0x0004

/* Defines for OPEN ADAPTER command */

#define OPEN_ADAPTER_EXT_WRAP (1<<15)

#define OPEN_ADAPTER_DIS_HARDEE (1<<14)

#define OPEN_ADAPTER_DIS_SOFTERR (1<<13)

#define OPEN_ADAPTER_PASS_ADC_MAC (1<<12)

#define OPEN_ADAPTER_PASS_ATT_MAC (1<<11)

#define OPEN_ADAPTER_ENABLE_EC (1<<10)

#define OPEN_ADAPTER_CONTENDER (1<<8)

#define OPEN_ADAPTER_PASS_BEACON (1<<7)

#define OPEN_ADAPTER_ENABLE_FDX (1<<6)

#define OPEN_ADAPTER_ENABLE_RPL (1<<5)

#define OPEN_ADAPTER_INHIBIT_ETR (1<<4)

#define OPEN_ADAPTER_INTERNAL_WRAP (1<<3)

#define OPEN_ADAPTER_USE_OPTS2 (1<<0)

#define OPEN_ADAPTER_2_ENABLE_ONNOW (1<<15)

/* Defines for SRB Commands */

#define SRB_ACCESS_REGISTER 0x1f

#define SRB_CLOSE_ADAPTER 0x04

#define SRB_CONFIGURE_BRIDGE 0x0c

#define SRB_CONFIGURE_WAKEUP_EVENT 0x1a

#define SRB_MODIFY_BRIDGE_PARMS 0x15

#define SRB_MODIFY_OPEN_OPTIONS 0x01

#define SRB_MODIFY_RECEIVE_OPTIONS 0x17

#define SRB_NO_OPERATION 0x00

#define SRB_OPEN_ADAPTER 0x03

#define SRB_READ_LOG 0x08

#define SRB_READ_SR_COUNTERS 0x16

#define SRB_RESET_GROUP_ADDRESS 0x02

#define SRB_SAVE_CONFIGURATION 0x1b

#define SRB_SET_BRIDGE_PARMS 0x09

#define SRB_SET_BRIDGE_TARGETS 0x10

#define SRB_SET_FUNC_ADDRESS 0x07

#define SRB_SET_GROUP_ADDRESS 0x06

#define SRB_SET_GROUP_ADDR_OPTIONS 0x11

#define SRB_UPDATE_WAKEUP_PATTERN 0x19

/* Clear return code */

#define OLYMPIC_CLEAR_RET_CODE 0xfe 

/* ARB Commands */

#define ARB_RECEIVE_DATA 0x81

#define ARB_LAN_CHANGE_STATUS 0x84

/* ASB Response commands */

#define ASB_RECEIVE_DATA 0x81

/* Olympic defaults for buffers */

#define OLYMPIC_RX_RING_SIZE 16 /* should be a power of 2 */

#define OLYMPIC_TX_RING_SIZE 8 /* should be a power of 2 */

#define PKT_BUF_SZ 4096 /* Default packet size */

/* Olympic data structures */

/* xxxx These structures are all little endian in hardware. */

struct olympic_tx_desc {

        u32 buffer;

        u32 status_length;

};

struct olympic_tx_status {

        u32 status;

};

struct olympic_rx_desc {

        u32 buffer;

        u32 res_length;

};

struct olympic_rx_status {

        u32 fragmentcnt_framelen;

        u32 status_buffercnt;

};

/* xxxx END These structures are all little endian in hardware. */

/* xxxx There may be more, but I'm pretty sure about these */

struct mac_receive_buffer {

        u16 next ;

        u8 padding ;

        u8 frame_status ;

        u16 buffer_length ;

        u8 frame_data ;

};

struct olympic_private {

        u16 srb;      /* be16 */

        u16 trb;      /* be16 */

        u16 arb;      /* be16 */

        u16 asb;      /* be16 */

        u8 *olympic_mmio;

        u8 *olympic_lap;

        struct pci_dev *pdev ;

        char *olympic_card_name ;

        spinlock_t olympic_lock ;

        volatile int srb_queued;    /* True if an SRB is still posted */

        wait_queue_head_t srb_wait;

        volatile int asb_queued;    /* True if an ASB is posted */

        volatile int trb_queued;   /* True if a TRB is posted */

        wait_queue_head_t trb_wait ;

        /* These must be on a 4 byte boundary. */

        struct olympic_rx_desc olympic_rx_ring[OLYMPIC_RX_RING_SIZE];

        struct olympic_tx_desc olympic_tx_ring[OLYMPIC_TX_RING_SIZE];

        struct olympic_rx_status olympic_rx_status_ring[OLYMPIC_RX_RING_SIZE];

        struct olympic_tx_status olympic_tx_status_ring[OLYMPIC_TX_RING_SIZE];

        struct sk_buff *tx_ring_skb[OLYMPIC_TX_RING_SIZE], *rx_ring_skb[OLYMPIC_RX_RING_SIZE];

        int tx_ring_free, tx_ring_last_status, rx_ring_last_received,rx_status_last_received, free_tx_ring_entries;

        struct net_device_stats olympic_stats ;

        u16 olympic_lan_status ;

        u8 olympic_ring_speed ;

        u16 pkt_buf_sz ;

        u8 olympic_receive_options, olympic_copy_all_options,olympic_message_level, olympic_network_monitor;

        u16 olympic_addr_table_addr, olympic_parms_addr ;

        u8 olympic_laa[6] ;

        u32 rx_ring_dma_addr;

        u32 rx_status_ring_dma_addr;

        u32 tx_ring_dma_addr;

        u32 tx_status_ring_dma_addr;

};

struct olympic_adapter_addr_table {

        u8 node_addr[6] ;

        u8 reserved[4] ;

        u8 func_addr[4] ;

} ;

struct olympic_parameters_table {

        u8  phys_addr[4] ;

        u8  up_node_addr[6] ;

        u8  up_phys_addr[4] ;

        u8  poll_addr[6] ;

        u16 reserved ;

        u16 acc_priority ;

        u16 auth_source_class ;

        u16 att_code ;

        u8  source_addr[6] ;

        u16 beacon_type ;

        u16 major_vector ;

        u16 lan_status ;

        u16 soft_error_time ;

        u16 reserved1 ;

        u16 local_ring ;

        u16 mon_error ;

        u16 beacon_transmit ;

        u16 beacon_receive ;

        u16 frame_correl ;

        u8  beacon_naun[6] ;

        u32 reserved2 ;

        u8  beacon_phys[4] ;

};