diff options
Diffstat (limited to 'sys/dev/isa/ahareg.h')
| -rw-r--r-- | sys/dev/isa/ahareg.h | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/sys/dev/isa/ahareg.h b/sys/dev/isa/ahareg.h new file mode 100644 index 00000000000..a55684bf044 --- /dev/null +++ b/sys/dev/isa/ahareg.h @@ -0,0 +1,264 @@ +typedef u_int8_t physaddr[3]; +typedef u_int8_t physlen[3]; +#define ltophys _lto3b +#define phystol _3btol + +/* + * I/O port offsets + */ +#define AHA_CTRL_PORT 0 /* control (wo) */ +#define AHA_STAT_PORT 0 /* status (ro) */ +#define AHA_CMD_PORT 1 /* command (wo) */ +#define AHA_DATA_PORT 1 /* data (ro) */ +#define AHA_INTR_PORT 2 /* interrupt status (ro) */ + +/* + * AHA_CTRL bits + */ +#define AHA_CTRL_HRST 0x80 /* Hardware reset */ +#define AHA_CTRL_SRST 0x40 /* Software reset */ +#define AHA_CTRL_IRST 0x20 /* Interrupt reset */ +#define AHA_CTRL_SCRST 0x10 /* SCSI bus reset */ + +/* + * AHA_STAT bits + */ +#define AHA_STAT_STST 0x80 /* Self test in Progress */ +#define AHA_STAT_DIAGF 0x40 /* Diagnostic Failure */ +#define AHA_STAT_INIT 0x20 /* Mbx Init required */ +#define AHA_STAT_IDLE 0x10 /* Host Adapter Idle */ +#define AHA_STAT_CDF 0x08 /* cmd/data out port full */ +#define AHA_STAT_DF 0x04 /* Data in port full */ +#define AHA_STAT_INVDCMD 0x01 /* Invalid command */ + +/* + * AHA_CMD opcodes + */ +#define AHA_NOP 0x00 /* No operation */ +#define AHA_MBX_INIT 0x01 /* Mbx initialization */ +#define AHA_START_SCSI 0x02 /* start scsi command */ +#define AHA_INQUIRE_REVISION 0x04 /* Adapter Inquiry */ +#define AHA_MBO_INTR_EN 0x05 /* Enable MBO available interrupt */ +/*#define AHA_SEL_TIMEOUT_SET 0x06 /* set selection time-out */ +/*#define AHA_BUS_ON_TIME_SET 0x07 /* set bus-on time */ +/*#define AHA_BUS_OFF_TIME_SET 0x08 /* set bus-off time */ +/*#define AHA_SPEED_SET 0x09 /* set transfer speed */ +#define AHA_INQUIRE_DEVICES 0x0a /* return installed devices 0-7 */ +#define AHA_INQUIRE_CONFIG 0x0b /* return configuration data */ +#define AHA_TARGET_EN 0x0c /* enable target mode */ +#define AHA_INQUIRE_SETUP 0x0d /* return setup data */ +#define AHA_ECHO 0x1e /* Echo command data */ +#define AHA_INQUIRE_DEVICES_2 0x23 /* return installed devices 8-15 */ +#define AHA_EXT_BIOS 0x28 /* return extended bios info */ +#define AHA_MBX_ENABLE 0x29 /* enable mail box interface */ + +/* + * AHA_INTR bits + */ +#define AHA_INTR_ANYINTR 0x80 /* Any interrupt */ +#define AHA_INTR_SCRD 0x08 /* SCSI reset detected */ +#define AHA_INTR_HACC 0x04 /* Command complete */ +#define AHA_INTR_MBOA 0x02 /* MBX out empty */ +#define AHA_INTR_MBIF 0x01 /* MBX in full */ + +struct aha_mbx_out { + u_char cmd; + physaddr ccb_addr; +}; + +struct aha_mbx_in { + u_char stat; + physaddr ccb_addr; +}; + +/* + * mbo.cmd values + */ +#define AHA_MBO_FREE 0x0 /* MBO entry is free */ +#define AHA_MBO_START 0x1 /* MBO activate entry */ +#define AHA_MBO_ABORT 0x2 /* MBO abort entry */ + +/* + * mbi.stat values + */ +#define AHA_MBI_FREE 0x0 /* MBI entry is free */ +#define AHA_MBI_OK 0x1 /* completed without error */ +#define AHA_MBI_ABORT 0x2 /* aborted ccb */ +#define AHA_MBI_UNKNOWN 0x3 /* Tried to abort invalid CCB */ +#define AHA_MBI_ERROR 0x4 /* Completed with error */ + +/* FOR OLD VERSIONS OF THE !%$@ this may have to be 16 (yuk) */ +#define AHA_NSEG 17 /* Number of scatter gather segments <= 16 */ + /* allow 64 K i/o (min) */ + +struct aha_scat_gath { + physlen seg_len; + physaddr seg_addr; +}; + +struct aha_ccb { + u_char opcode; + u_char lun:3; + u_char data_in:1; /* must be 0 */ + u_char data_out:1; /* must be 0 */ + u_char target:3; + u_char scsi_cmd_length; + u_char req_sense_length; + physlen data_length; + physaddr data_addr; + physaddr link_addr; + u_char link_id; + u_char host_stat; + u_char target_stat; + u_char reserved[2]; + struct scsi_generic scsi_cmd; + struct scsi_sense_data scsi_sense; + struct aha_scat_gath scat_gath[AHA_NSEG]; + /*----------------------------------------------------------------*/ + TAILQ_ENTRY(aha_ccb) chain; + struct aha_ccb *nexthash; + long hashkey; + struct scsi_xfer *xs; /* the scsi_xfer for this cmd */ + int flags; +#define CCB_ALLOC 0x01 +#define CCB_ABORT 0x02 +#ifdef AHADIAG +#define CCB_SENDING 0x04 +#endif + int timeout; +}; + +/* + * opcode fields + */ +#define AHA_INITIATOR_CCB 0x00 /* SCSI Initiator CCB */ +#define AHA_TARGET_CCB 0x01 /* SCSI Target CCB */ +#define AHA_INIT_SCAT_GATH_CCB 0x02 /* SCSI Initiator with scatter gather */ +#define AHA_RESET_CCB 0x81 /* SCSI Bus reset */ + +/* + * aha_ccb.host_stat values + */ +#define AHA_OK 0x00 /* cmd ok */ +#define AHA_LINK_OK 0x0a /* Link cmd ok */ +#define AHA_LINK_IT 0x0b /* Link cmd ok + int */ +#define AHA_SEL_TIMEOUT 0x11 /* Selection time out */ +#define AHA_OVER_UNDER 0x12 /* Data over/under run */ +#define AHA_BUS_FREE 0x13 /* Bus dropped at unexpected time */ +#define AHA_INV_BUS 0x14 /* Invalid bus phase/sequence */ +#define AHA_BAD_MBO 0x15 /* Incorrect MBO cmd */ +#define AHA_BAD_CCB 0x16 /* Incorrect ccb opcode */ +#define AHA_BAD_LINK 0x17 /* Not same values of LUN for links */ +#define AHA_INV_TARGET 0x18 /* Invalid target direction */ +#define AHA_CCB_DUP 0x19 /* Duplicate CCB received */ +#define AHA_INV_CCB 0x1a /* Invalid CCB or segment list */ + +struct aha_revision { + struct { + u_char opcode; + } cmd; + struct { + u_char boardid; /* type of board */ + /* 0x31 = AHA-1540 */ + /* 0x41 = AHA-1540A/1542A/1542B */ + /* 0x42 = AHA-1640 */ + /* 0x43 = AHA-1542C */ + /* 0x44 = AHA-1542CF */ + /* 0x45 = AHA-1542CF, BIOS v2.01 */ + /* 0x46 = AHA-1542CP */ + u_char spec_opts; /* special options ID */ + /* 0x41 = Board is standard model */ + u_char revision_1; /* firmware revision [0-9A-Z] */ + u_char revision_2; /* firmware revision [0-9A-Z] */ + } reply; +}; + +struct aha_extbios { + struct { + u_char opcode; + } cmd; + struct { + u_char flags; /* Bit 3 == 1 extended bios enabled */ + u_char mailboxlock; /* mail box lock code to unlock it */ + } reply; +}; + +struct aha_toggle { + struct { + u_char opcode; + u_char enable; + } cmd; +}; + +struct aha_config { + struct { + u_char opcode; + } cmd; + struct { + u_char chan; + u_char intr; + u_char scsi_dev:3; + u_char :5; + } reply; +}; + +struct aha_mailbox { + struct { + u_char opcode; + u_char nmbx; + physaddr addr; + } cmd; +}; + +struct aha_unlock { + struct { + u_char opcode; + u_char junk; + u_char magic; + } cmd; +}; + +struct aha_devices { + struct { + u_char opcode; + } cmd; + struct { + u_char junk[8]; + } reply; +}; + +struct aha_setup { + struct { + u_char opcode; + u_char len; + } cmd; + struct { + u_char sync_neg:1; + u_char parity:1; + u_char :6; + u_char speed; + u_char bus_on; + u_char bus_off; + u_char num_mbx; + u_char mbx[3]; + struct { + u_char offset:4; + u_char period:3; + u_char valid:1; + } sync[8]; + u_char disc_sts; + } reply; +}; + +#define INT9 0x01 +#define INT10 0x02 +#define INT11 0x04 +#define INT12 0x08 +#define INT14 0x20 +#define INT15 0x40 + +#define EISADMA 0x00 +#define CHAN0 0x01 +#define CHAN5 0x20 +#define CHAN6 0x40 +#define CHAN7 0x80 |