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freebsd-dev/sys/dev/buslogic/btreg.h
Justin T. Gibbs 7357f64514 Classify all EISA cards with major firmware revions '2' as 742As. 
This allows us to successfully attach early Storage Dimension cards.

Allocate mailboxes for the 742A bellow the 16MB limit.  Although these
cards seem to be able to deal with all other types of data anywhere
in a 32bit address space, 24bit addresses are required for mailboxes.

bt_eisa.c:
	Add device IDs for all Storage Dimension products I could
	find from their web site.

Thanks to Ted Mittelstaed for loaning me the equipment to diagnose
and fix these problems.
2000-11-13 03:44:20 +00:00

706 lines
18 KiB
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Raw Blame History

/*
* Generic register and struct definitions for the BusLogic
* MultiMaster SCSI host adapters. Product specific probe and
* attach routines can be found in:
* sys/dev/buslogic/bt_isa.c BT-54X, BT-445 cards
* sys/dev/buslogic/bt_mca.c BT-64X, SDC3211B, SDC3211F
* sys/dev/buslogic/bt_eisa.c BT-74X, BT-75x cards, SDC3222F
* sys/dev/buslogic/bt_pci.c BT-946, BT-948, BT-956, BT-958 cards
*
* Copyright (c) 1998, 1999 Justin T. Gibbs.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _BTREG_H_
#define _BTREG_H_
#include <sys/queue.h>
#define BT_MAXTRANSFER_SIZE 0xffffffff /* limited by 32bit counter */
#define BT_NSEG 32 /* The number of dma segments supported.
* BT_NSEG can be maxed out at 8192 entries,
* but the kernel will never need to transfer
* such a large request. To reduce the
* driver's memory consumption, we reduce the
* max to 32. 16 would work if all transfers
* are paged alined since the kernel will only
* generate at most a 64k transfer, but to
* handle non-page aligned transfers, you need
* 17, so we round to the next power of two
* to make allocating SG space easy and
* efficient.
*/
#define ALL_TARGETS (~0)
/*
* Control Register pp. 1-8, 1-9 (Write Only)
*/
#define CONTROL_REG 0x00
#define HARD_RESET 0x80 /* Hard Reset - return to POST state */
#define SOFT_RESET 0x40 /* Soft Reset - Clears Adapter state */
#define RESET_INTR 0x20 /* Reset/Ack Interrupt */
#define RESET_SBUS 0x10 /* Drive SCSI bus reset signal */
/*
* Status Register pp. 1-9, 1-10 (Read Only)
*/
#define STATUS_REG 0x00
#define DIAG_ACTIVE 0x80 /* Performing Internal Diags */
#define DIAG_FAIL 0x40 /* Internal Diags failed */
#define INIT_REQUIRED 0x20 /* MBOXes need initialization */
#define HA_READY 0x10 /* HA ready for new commands */
#define CMD_REG_BUSY 0x08 /* HA busy with last cmd byte */
#define DATAIN_REG_READY 0x04 /* Data-in Byte available */
#define STATUS_REG_RSVD 0x02
#define CMD_INVALID 0x01 /* Invalid Command detected */
/*
* Command/Parameter Register pp. 1-10, 1-11 (Write Only)
*/
#define COMMAND_REG 0x01
/*
* Data in Register p. 1-11 (Read Only)
*/
#define DATAIN_REG 0x01
/*
* Interrupt Status Register pp. 1-12 -> 1-14 (Read Only)
*/
#define INTSTAT_REG 0x02
#define INTR_PENDING 0x80 /* There is a pending INTR */
#define INTSTAT_REG_RSVD 0x70
#define SCSI_BUS_RESET 0x08 /* Bus Reset detected */
#define CMD_COMPLETE 0x04
#define OMB_READY 0x02 /* Outgoin Mailbox Ready */
#define IMB_LOADED 0x01 /* Incoming Mailbox loaded */
/*
* Definitions for the "undocumented" geometry register
*/
typedef enum {
GEOM_NODISK,
GEOM_64x32,
GEOM_128x32,
GEOM_255x32
} disk_geom_t;
#define GEOMETRY_REG 0x03
#define DISK0_GEOMETRY 0x03
#define DISK1_GEOMETRY 0x0c
#define EXTENDED_TRANSLATION 0x10
#define GEOMETRY_DISK0(g_reg) (greg & DISK0_GEOMETRY)
#define GEOMETRY_DISK1(g_reg) ((greg & DISK1_GEOMETRY) >> 2)
#define BT_NREGS (4)
/*
* Opcodes for Adapter commands.
* pp 1-18 -> 1-20
*/
typedef enum {
BOP_TEST_CMDC_INTR = 0x00,
BOP_INITIALIZE_24BMBOX = 0x01,
BOP_START_MBOX = 0x02,
BOP_EXECUTE_BIOS_CMD = 0x03,
BOP_INQUIRE_BOARD_ID = 0x04,
BOP_ENABLE_OMBR_INT = 0x05,
BOP_SET_SEL_TIMOUT = 0x06,
BOP_SET_TIME_ON_BUS = 0x07,
BOP_SET_TIME_OFF_BUS = 0x08,
BOP_SET_BUS_TRANS_RATE = 0x09,
BOP_INQUIRE_INST_LDEVS = 0x0A,
BOP_INQUIRE_CONFIG = 0x0B,
BOP_ENABLE_TARGET_MODE = 0x0C,
BOP_INQUIRE_SETUP_INFO = 0x0D,
BOP_WRITE_LRAM = 0x1A,
BOP_READ_LRAM = 0x1B,
BOP_WRITE_CHIP_FIFO = 0x1C,
BOP_READ_CHIP_FIFO = 0x1C,
BOP_ECHO_DATA_BYTE = 0x1F,
BOP_ADAPTER_DIAGNOSTICS = 0x20,
BOP_SET_ADAPTER_OPTIONS = 0x21,
BOP_INQUIRE_INST_HDEVS = 0x23,
BOP_INQUIRE_TARG_DEVS = 0x24,
BOP_DISABLE_HAC_INTR = 0x25,
BOP_INITIALIZE_32BMBOX = 0x81,
BOP_EXECUTE_SCSI_CMD = 0x83,
BOP_INQUIRE_FW_VER_3DIG = 0x84,
BOP_INQUIRE_FW_VER_4DIG = 0x85,
BOP_INQUIRE_PCI_INFO = 0x86,
BOP_INQUIRE_MODEL = 0x8B,
BOP_TARG_SYNC_INFO = 0x8C,
BOP_INQUIRE_ESETUP_INFO = 0x8D,
BOP_ENABLE_STRICT_RR = 0x8F,
BOP_STORE_LRAM = 0x90,
BOP_FETCH_LRAM = 0x91,
BOP_SAVE_TO_EEPROM = 0x92,
BOP_UPLOAD_AUTO_SCSI = 0x94,
BOP_MODIFY_IO_ADDR = 0x95,
BOP_SET_CCB_FORMAT = 0x96,
BOP_FLASH_ROM_DOWNLOAD = 0x97,
BOP_FLASH_WRITE_ENABLE = 0x98,
BOP_WRITE_INQ_BUFFER = 0x9A,
BOP_READ_INQ_BUFFER = 0x9B,
BOP_FLASH_UP_DOWNLOAD = 0xA7,
BOP_READ_SCAM_DATA = 0xA8,
BOP_WRITE_SCAM_DATA = 0xA9
} bt_op_t;
/************** Definitions of Multi-byte commands and responses ************/
typedef struct {
u_int8_t num_mboxes;
u_int8_t base_addr[3];
} init_24b_mbox_params_t;
typedef struct {
u_int8_t board_type;
#define BOARD_TYPE_NON_MCA 0x41
#define BOARD_TYPE_MCA 0x42
u_int8_t cust_features;
#define FEATURES_STANDARD 0x41
u_int8_t firmware_rev_major;
u_int8_t firmware_rev_minor;
} board_id_data_t;
typedef struct {
u_int8_t enable;
} enable_ombr_intr_params_t;
typedef struct {
u_int8_t enable;
u_int8_t reserved;
u_int8_t timeout[2]; /* timeout in milliseconds */
} set_selto_parmas_t;
typedef struct {
u_int8_t time; /* time in milliseconds (2-15) */
} set_timeon_bus_params_t;
typedef struct {
u_int8_t time; /* time in milliseconds (2-15) */
} set_timeoff_bus_params_t;
typedef struct {
u_int8_t rate;
} set_bus_trasfer_rate_params_t;
typedef struct {
u_int8_t targets[8];
} installed_ldevs_data_t;
typedef struct {
u_int8_t dma_chan;
#define DMA_CHAN_5 0x20
#define DMA_CHAN_6 0x40
#define DMA_CHAN_7 0x80
u_int8_t irq;
#define IRQ_9 0x01
#define IRQ_10 0x02
#define IRQ_11 0x04
#define IRQ_12 0x08
#define IRQ_14 0x20
#define IRQ_15 0x40
u_int8_t scsi_id;
} config_data_t;
typedef struct {
u_int8_t enable;
} target_mode_params_t;
typedef struct {
u_int8_t offset : 4,
period : 3,
sync : 1;
} targ_syncinfo_t;
typedef enum {
HAB_ISA = 'A',
HAB_MCA = 'B',
HAB_EISA = 'C',
HAB_NUBUS = 'D',
HAB_VESA = 'E',
HAB_PCI = 'F'
} ha_type_t;
typedef struct {
u_int8_t initiate_sync : 1,
parity_enable : 1,
: 6;
u_int8_t bus_transfer_rate;
u_int8_t time_on_bus;
u_int8_t time_off_bus;
u_int8_t num_mboxes;
u_int8_t mbox_base_addr[3];
targ_syncinfo_t low_syncinfo[8]; /* For fast and ultra, use 8C */
u_int8_t low_discinfo;
u_int8_t customer_sig;
u_int8_t letter_d;
u_int8_t ha_type;
u_int8_t low_wide_allowed;
u_int8_t low_wide_active;
targ_syncinfo_t high_syncinfo[8];
u_int8_t high_discinfo;
u_int8_t high_wide_allowed;
u_int8_t high_wide_active;
} setup_data_t;
typedef struct {
u_int8_t phys_addr[3];
} write_adapter_lram_params_t;
typedef struct {
u_int8_t phys_addr[3];
} read_adapter_lram_params_t;
typedef struct {
u_int8_t phys_addr[3];
} write_chip_fifo_params_t;
typedef struct {
u_int8_t phys_addr[3];
} read_chip_fifo_params_t;
typedef struct {
u_int8_t length; /* Excludes this member */
u_int8_t low_disc_disable;
u_int8_t low_busy_retry_disable;
u_int8_t high_disc_disable;
u_int8_t high_busy_retry_disable;
} set_adapter_options_params_t;
typedef struct {
u_int8_t targets[8];
} installed_hdevs_data_t;
typedef struct {
u_int8_t low_devs;
u_int8_t high_devs;
} target_devs_data_t;
typedef struct {
u_int8_t enable;
} enable_hac_interrupt_params_t;
typedef struct {
u_int8_t num_boxes;
u_int8_t base_addr[4];
} init_32b_mbox_params_t;
typedef u_int8_t fw_ver_3dig_data_t;
typedef u_int8_t fw_ver_4dig_data_t;
typedef struct {
u_int8_t offset;
u_int8_t response_len;
} fetch_lram_params_t;
#define AUTO_SCSI_BYTE_OFFSET 64
typedef struct {
u_int8_t factory_sig[2];
u_int8_t auto_scsi_data_size; /* 2 -> 64 bytes */
u_int8_t model_num[6];
u_int8_t adapter_ioport;
u_int8_t floppy_enabled :1,
floppy_secondary :1,
level_trigger :1,
:2,
system_ram_area :3;
u_int8_t dma_channel :7,
dma_autoconf :1;
u_int8_t irq_channel :7,
irq_autoconf :1;
u_int8_t dma_trans_rate;
u_int8_t scsi_id;
u_int8_t low_termination :1,
scsi_parity :1,
high_termination :1,
req_ack_filter :1,
fast_sync :1,
bus_reset :1,
:1,
active_negation :1;
u_int8_t bus_on_delay;
u_int8_t bus_off_delay;
u_int8_t bios_enabled :1,
int19h_redirect :1,
extended_trans :1,
removable_drives :1,
:1,
morethan2disks :1,
interrupt_mode :1,
floptical_support:1;
u_int8_t low_device_enabled;
u_int8_t high_device_enabled;
u_int8_t low_wide_permitted;
u_int8_t high_wide_permitted;
u_int8_t low_fast_permitted;
u_int8_t high_fast_permitted;
u_int8_t low_sync_permitted;
u_int8_t high_sync_permitted;
u_int8_t low_disc_permitted;
u_int8_t high_disc_permitted;
u_int8_t low_send_start_unit;
u_int8_t high_send_start_unit;
u_int8_t low_ignore_in_bios_scan;
u_int8_t high_ignore_in_bios_scan;
u_int8_t pci_int_pin :2,
host_ioport :2,
round_robin :1,
vesa_bus_over_33 :1,
vesa_burst_write :1,
vesa_burst_read :1;
u_int8_t low_ultra_permitted;
u_int8_t high_ultra_permitted;
u_int8_t reserved[5];
u_int8_t auto_scsi_max_lun;
u_int8_t :1,
scam_dominant :1,
scam_enabled :1,
scam_level2 :1,
:4;
u_int8_t int13_extensions :1,
:1,
cdrom_boot :1,
:2,
multi_boot :1,
:2;
u_int8_t boot_target_id :4,
boot_channel :4;
u_int8_t force_dev_scan :1,
:7;
u_int8_t low_tagged_lun_independance;
u_int8_t high_tagged_lun_independance;
u_int8_t low_renegotiate_after_cc;
u_int8_t high_renegotiate_after_cc;
u_int8_t reserverd2[10];
u_int8_t manufacturing_diagnotic[2];
u_int8_t checksum[2];
} auto_scsi_data_t;
struct bt_isa_port {
u_int16_t addr;
u_int8_t probed;
u_int8_t bio;
};
extern struct bt_isa_port bt_isa_ports[];
#define BT_NUM_ISAPORTS 6
typedef enum {
BIO_330 = 0,
BIO_334 = 1,
BIO_230 = 2,
BIO_234 = 3,
BIO_130 = 4,
BIO_134 = 5,
BIO_DISABLED = 6,
BIO_DISABLED2 = 7
} isa_compat_io_t;
typedef struct {
u_int8_t io_port;
u_int8_t irq_num;
u_int8_t low_byte_term :1,
high_byte_term :1,
:2,
jp1_status :1,
jp2_status :1,
jp3_status :1,
:1;
u_int8_t reserved;
} pci_info_data_t;
typedef struct {
u_int8_t ascii_model[5]; /* Fifth byte is always 0 */
} ha_model_data_t;
typedef struct {
u_int8_t sync_rate[16]; /* Sync in 10ns units */
} target_sync_info_data_t;
typedef struct {
u_int8_t bus_type;
u_int8_t bios_addr;
u_int16_t max_sg;
u_int8_t num_mboxes;
u_int8_t mbox_base[4];
u_int8_t :2,
sync_neg10MB :1,
floppy_disable :1,
floppy_secondary_port :1,
burst_mode_enabled :1,
level_trigger_ints :1,
:1;
u_int8_t fw_ver_bytes_2_to_4[3];
u_int8_t wide_bus :1,
diff_bus :1,
scam_capable :1,
ultra_scsi :1,
auto_term :1,
:3;
} esetup_info_data_t;
typedef struct {
u_int32_t len;
u_int32_t addr;
} bt_sg_t;
/********************** Mail Box definitions *******************************/
typedef enum {
BMBO_FREE = 0x0, /* MBO intry is free */
BMBO_START = 0x1, /* MBO activate entry */
BMBO_ABORT = 0x2 /* MBO abort entry */
} bt_mbo_action_code_t;
typedef struct bt_mbox_out {
u_int32_t ccb_addr;
u_int8_t reserved[3];
u_int8_t action_code;
} bt_mbox_out_t;
typedef enum {
BMBI_FREE = 0x0, /* MBI entry is free */
BMBI_OK = 0x1, /* completed without error */
BMBI_ABORT = 0x2, /* aborted ccb */
BMBI_NOT_FOUND = 0x3, /* Tried to abort invalid CCB */
BMBI_ERROR = 0x4 /* Completed with error */
} bt_mbi_comp_code_t;
typedef struct bt_mbox_in {
u_int32_t ccb_addr;
u_int8_t btstat;
u_int8_t sdstat;
u_int8_t reserved;
u_int8_t comp_code;
} bt_mbox_in_t;
/***************** Compiled Probe Information *******************************/
struct bt_probe_info {
int drq;
int irq;
};
/****************** Hardware CCB definition *********************************/
typedef enum {
INITIATOR_CCB = 0x00,
INITIATOR_SG_CCB = 0x02,
INITIATOR_CCB_WRESID = 0x03,
INITIATOR_SG_CCB_WRESID = 0x04,
INITIATOR_BUS_DEV_RESET = 0x81
} bt_ccb_opcode_t;
typedef enum {
BTSTAT_NOERROR = 0x00,
BTSTAT_LINKED_CMD_COMPLETE = 0x0A,
BTSTAT_LINKED_CMD_FLAG_COMPLETE = 0x0B,
BTSTAT_DATAUNDERUN_ERROR = 0x0C,
BTSTAT_SELTIMEOUT = 0x11,
BTSTAT_DATARUN_ERROR = 0x12,
BTSTAT_UNEXPECTED_BUSFREE = 0x13,
BTSTAT_INVALID_PHASE = 0x14,
BTSTAT_INVALID_ACTION_CODE = 0x15,
BTSTAT_INVALID_OPCODE = 0x16,
BTSTAT_LINKED_CCB_LUN_MISMATCH = 0x17,
BTSTAT_INVALID_CCB_OR_SG_PARAM = 0x1A,
BTSTAT_AUTOSENSE_FAILED = 0x1B,
BTSTAT_TAGGED_MSG_REJECTED = 0x1C,
BTSTAT_UNSUPPORTED_MSG_RECEIVED = 0x1D,
BTSTAT_HARDWARE_FAILURE = 0x20,
BTSTAT_TARGET_IGNORED_ATN = 0x21,
BTSTAT_HA_SCSI_BUS_RESET = 0x22,
BTSTAT_OTHER_SCSI_BUS_RESET = 0x23,
BTSTAT_INVALID_RECONNECT = 0x24,
BTSTAT_HA_BDR = 0x25,
BTSTAT_ABORT_QUEUE_GENERATED = 0x26,
BTSTAT_HA_SOFTWARE_ERROR = 0x27,
BTSTAT_HA_WATCHDOG_ERROR = 0x28,
BTSTAT_SCSI_PERROR_DETECTED = 0x30
} btstat_t;
struct bt_hccb {
u_int8_t opcode;
u_int8_t :3,
datain :1,
dataout :1,
wide_tag_enable :1, /* Wide Lun CCB format */
wide_tag_type :2; /* Wide Lun CCB format */
u_int8_t cmd_len;
u_int8_t sense_len;
int32_t data_len; /* residuals can be negative */
u_int32_t data_addr;
u_int8_t reserved[2];
u_int8_t btstat;
u_int8_t sdstat;
u_int8_t target_id;
u_int8_t target_lun :5,
tag_enable :1,
tag_type :2;
u_int8_t scsi_cdb[12];
u_int8_t reserved2[6];
u_int32_t sense_addr;
};
typedef enum {
BCCB_FREE = 0x0,
BCCB_ACTIVE = 0x1,
BCCB_DEVICE_RESET = 0x2,
BCCB_RELEASE_SIMQ = 0x4
} bccb_flags_t;
struct bt_ccb {
struct bt_hccb hccb;
SLIST_ENTRY(bt_ccb) links;
u_int32_t flags;
union ccb *ccb;
bus_dmamap_t dmamap;
bt_sg_t *sg_list;
u_int32_t sg_list_phys;
};
struct sg_map_node {
bus_dmamap_t sg_dmamap;
bus_addr_t sg_physaddr;
bt_sg_t* sg_vaddr;
SLIST_ENTRY(sg_map_node) links;
};
struct bt_softc {
struct device *dev;
struct resource *port;
struct resource *irq;
struct resource *drq;
void *ih;
bus_space_tag_t tag;
bus_space_handle_t bsh;
struct cam_sim *sim;
struct cam_path *path;
bt_mbox_out_t *cur_outbox;
bt_mbox_in_t *cur_inbox;
bt_mbox_out_t *last_outbox;
bt_mbox_in_t *last_inbox;
struct bt_ccb *bt_ccb_array;
SLIST_HEAD(,bt_ccb) free_bt_ccbs;
LIST_HEAD(,ccb_hdr) pending_ccbs;
u_int active_ccbs;
u_int32_t bt_ccb_physbase;
bt_mbox_in_t *in_boxes;
bt_mbox_out_t *out_boxes;
struct scsi_sense_data *sense_buffers;
u_int32_t sense_buffers_physbase;
struct bt_ccb *recovery_bccb;
u_int num_boxes;
bus_dma_tag_t parent_dmat; /*
* All dmat's derive from
* the dmat defined by our
* bus.
*/
bus_dma_tag_t buffer_dmat; /* dmat for buffer I/O */
bus_dma_tag_t mailbox_dmat; /* dmat for our mailboxes */
bus_dmamap_t mailbox_dmamap;
bus_dma_tag_t ccb_dmat; /* dmat for our ccb array */
bus_dmamap_t ccb_dmamap;
bus_dma_tag_t sg_dmat; /* dmat for our sg segments */
bus_dma_tag_t sense_dmat; /* dmat for our sense buffers */
bus_dmamap_t sense_dmamap;
SLIST_HEAD(, sg_map_node) sg_maps;
bus_addr_t mailbox_physbase;
bus_addr_t mailbox_addrlimit;
u_int num_ccbs; /* Number of CCBs malloc'd */
u_int max_ccbs; /* Maximum allocatable CCBs */
u_int max_sg;
u_int unit;
u_int scsi_id;
u_int32_t extended_trans :1,
wide_bus :1,
diff_bus :1,
ultra_scsi :1,
extended_lun :1,
strict_rr :1,
tag_capable :1,
wide_lun_ccb :1,
resource_shortage :1,
level_trigger_ints:1,
:22;
u_int16_t tags_permitted;
u_int16_t disc_permitted;
u_int16_t sync_permitted;
u_int16_t fast_permitted;
u_int16_t ultra_permitted;
u_int16_t wide_permitted;
u_int8_t init_level;
volatile u_int8_t command_cmp;
volatile u_int8_t latched_status;
u_int32_t bios_addr;
char firmware_ver[6];
char model[5];
};
extern u_long bt_unit;
#define BT_TEMP_UNIT 0xFF /* Unit for probes */
void bt_init_softc(device_t dev,
struct resource *port,
struct resource *irq,
struct resource *drq);
void bt_free_softc(device_t dev);
int bt_port_probe(device_t dev,
struct bt_probe_info *info);
int bt_probe(device_t dev);
int bt_fetch_adapter_info(device_t dev);
int bt_init(device_t dev);
int bt_attach(device_t dev);
void bt_intr(void *arg);
int bt_check_probed_iop(u_int ioport);
void bt_mark_probed_bio(isa_compat_io_t port);
void bt_mark_probed_iop(u_int ioport);
void bt_find_probe_range(int ioport,
int *port_index,
int *max_port_index);
int bt_iop_from_bio(isa_compat_io_t bio_index);
#define DEFAULT_CMD_TIMEOUT 100000 /* 10 sec */
int bt_cmd(struct bt_softc *bt, bt_op_t opcode,
u_int8_t *params, u_int param_len,
u_int8_t *reply_data, u_int reply_len,
u_int cmd_timeout);
#define bt_name(bt) device_get_nameunit(bt->dev)
#define bt_inb(bt, port) \
bus_space_read_1((bt)->tag, (bt)->bsh, port)
#define bt_outb(bt, port, value) \
bus_space_write_1((bt)->tag, (bt)->bsh, port, value)
#endif /* _BT_H_ */
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