Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * atari_scsi.h -- Header file for the Atari native SCSI driver |
| 3 | * |
| 4 | * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> |
| 5 | * |
| 6 | * (Loosely based on the work of Robert De Vries' team) |
| 7 | * |
| 8 | * This file is subject to the terms and conditions of the GNU General Public |
| 9 | * License. See the file COPYING in the main directory of this archive |
| 10 | * for more details. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | |
| 15 | #ifndef ATARI_SCSI_H |
| 16 | #define ATARI_SCSI_H |
| 17 | |
| 18 | /* (I_HAVE_OVERRUNS stuff removed) */ |
| 19 | |
| 20 | #ifndef ASM |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | /* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher |
| 22 | * values should work, too; try it! (but cmd_per_lun costs memory!) */ |
| 23 | |
| 24 | /* But there seems to be a bug somewhere that requires CAN_QUEUE to be |
| 25 | * 2*CMD_PER_LUN. At least on a TT, no spurious timeouts seen since |
| 26 | * changed CMD_PER_LUN... */ |
| 27 | |
| 28 | /* Note: The Falcon currently uses 8/1 setting due to unsolved problems with |
| 29 | * cmd_per_lun != 1 */ |
| 30 | |
| 31 | #define ATARI_TT_CAN_QUEUE 16 |
| 32 | #define ATARI_TT_CMD_PER_LUN 8 |
| 33 | #define ATARI_TT_SG_TABLESIZE SG_ALL |
| 34 | |
| 35 | #define ATARI_FALCON_CAN_QUEUE 8 |
| 36 | #define ATARI_FALCON_CMD_PER_LUN 1 |
| 37 | #define ATARI_FALCON_SG_TABLESIZE SG_NONE |
| 38 | |
| 39 | #define DEFAULT_USE_TAGGED_QUEUING 0 |
| 40 | |
| 41 | |
| 42 | #define NCR5380_implementation_fields /* none */ |
| 43 | |
| 44 | #define NCR5380_read(reg) atari_scsi_reg_read( reg ) |
| 45 | #define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value ) |
| 46 | |
| 47 | #define NCR5380_intr atari_scsi_intr |
| 48 | #define NCR5380_queue_command atari_scsi_queue_command |
| 49 | #define NCR5380_abort atari_scsi_abort |
Al Viro | d89537e | 2013-03-31 13:24:44 -0400 | [diff] [blame] | 50 | #define NCR5380_show_info atari_scsi_show_info |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | #define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0) |
| 52 | #define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1) |
| 53 | #define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst ) |
| 54 | #define NCR5380_dma_xfer_len(i,cmd,phase) \ |
| 55 | atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) |
| 56 | |
Michael Schmitz | fb810d1 | 2007-05-01 22:32:35 +0200 | [diff] [blame] | 57 | /* former generic SCSI error handling stuff */ |
| 58 | |
| 59 | #define SCSI_ABORT_SNOOZE 0 |
| 60 | #define SCSI_ABORT_SUCCESS 1 |
| 61 | #define SCSI_ABORT_PENDING 2 |
| 62 | #define SCSI_ABORT_BUSY 3 |
| 63 | #define SCSI_ABORT_NOT_RUNNING 4 |
| 64 | #define SCSI_ABORT_ERROR 5 |
| 65 | |
| 66 | #define SCSI_RESET_SNOOZE 0 |
| 67 | #define SCSI_RESET_PUNT 1 |
| 68 | #define SCSI_RESET_SUCCESS 2 |
| 69 | #define SCSI_RESET_PENDING 3 |
| 70 | #define SCSI_RESET_WAKEUP 4 |
| 71 | #define SCSI_RESET_NOT_RUNNING 5 |
| 72 | #define SCSI_RESET_ERROR 6 |
| 73 | |
| 74 | #define SCSI_RESET_SYNCHRONOUS 0x01 |
| 75 | #define SCSI_RESET_ASYNCHRONOUS 0x02 |
| 76 | #define SCSI_RESET_SUGGEST_BUS_RESET 0x04 |
| 77 | #define SCSI_RESET_SUGGEST_HOST_RESET 0x08 |
| 78 | |
| 79 | #define SCSI_RESET_BUS_RESET 0x100 |
| 80 | #define SCSI_RESET_HOST_RESET 0x200 |
| 81 | #define SCSI_RESET_ACTION 0xff |
| 82 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 83 | /* Debugging printk definitions: |
| 84 | * |
| 85 | * ARB -> arbitration |
| 86 | * ASEN -> auto-sense |
| 87 | * DMA -> DMA |
| 88 | * HSH -> PIO handshake |
| 89 | * INF -> information transfer |
| 90 | * INI -> initialization |
| 91 | * INT -> interrupt |
| 92 | * LNK -> linked commands |
| 93 | * MAIN -> NCR5380_main() control flow |
| 94 | * NDAT -> no data-out phase |
| 95 | * NWR -> no write commands |
| 96 | * PIO -> PIO transfers |
| 97 | * PDMA -> pseudo DMA (unused on Atari) |
| 98 | * QU -> queues |
| 99 | * RSL -> reselections |
| 100 | * SEL -> selections |
| 101 | * USL -> usleep cpde (unused on Atari) |
| 102 | * LBS -> last byte sent (unused on Atari) |
| 103 | * RSS -> restarting of selections |
| 104 | * EXT -> extended messages |
| 105 | * ABRT -> aborting and resetting |
| 106 | * TAG -> queue tag handling |
| 107 | * MER -> merging of consec. buffers |
| 108 | * |
| 109 | */ |
| 110 | |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 111 | #define dprint(flg, format...) \ |
| 112 | ({ \ |
| 113 | if (NDEBUG & (flg)) \ |
| 114 | printk(KERN_DEBUG format); \ |
| 115 | }) |
| 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | #define ARB_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 118 | dprint(NDEBUG_ARBITRATION, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 119 | #define ASEN_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 120 | dprint(NDEBUG_AUTOSENSE, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | #define DMA_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 122 | dprint(NDEBUG_DMA, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | #define HSH_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 124 | dprint(NDEBUG_HANDSHAKE, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 125 | #define INF_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 126 | dprint(NDEBUG_INFORMATION, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | #define INI_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 128 | dprint(NDEBUG_INIT, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | #define INT_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 130 | dprint(NDEBUG_INTR, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | #define LNK_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 132 | dprint(NDEBUG_LINKED, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 133 | #define MAIN_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 134 | dprint(NDEBUG_MAIN, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 135 | #define NDAT_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 136 | dprint(NDEBUG_NO_DATAOUT, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | #define NWR_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 138 | dprint(NDEBUG_NO_WRITE, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | #define PIO_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 140 | dprint(NDEBUG_PIO, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | #define PDMA_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 142 | dprint(NDEBUG_PSEUDO_DMA, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | #define QU_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 144 | dprint(NDEBUG_QUEUES, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | #define RSL_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 146 | dprint(NDEBUG_RESELECTION, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 147 | #define SEL_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 148 | dprint(NDEBUG_SELECTION, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | #define USL_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 150 | dprint(NDEBUG_USLEEP, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | #define LBS_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 152 | dprint(NDEBUG_LAST_BYTE_SENT, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | #define RSS_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 154 | dprint(NDEBUG_RESTART_SELECT, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | #define EXT_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 156 | dprint(NDEBUG_EXTENDED, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | #define ABRT_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 158 | dprint(NDEBUG_ABORT, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | #define TAG_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 160 | dprint(NDEBUG_TAGS, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | #define MER_PRINTK(format, args...) \ |
Roman Zippel | 3130d90 | 2007-05-01 22:32:37 +0200 | [diff] [blame] | 162 | dprint(NDEBUG_MERGING, format , ## args) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 163 | |
| 164 | /* conditional macros for NCR5380_print_{,phase,status} */ |
| 165 | |
| 166 | #define NCR_PRINT(mask) \ |
| 167 | ((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0) |
| 168 | |
| 169 | #define NCR_PRINT_PHASE(mask) \ |
| 170 | ((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0) |
| 171 | |
| 172 | #define NCR_PRINT_STATUS(mask) \ |
| 173 | ((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0) |
| 174 | |
| 175 | |
| 176 | #endif /* ndef ASM */ |
| 177 | #endif /* ATARI_SCSI_H */ |
| 178 | |
| 179 | |