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 |
Christoph Hellwig | d0be4a7d | 2005-10-31 18:31:40 +0100 | [diff] [blame] | 21 | int atari_scsi_detect (struct scsi_host_template *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 22 | const char *atari_scsi_info (struct Scsi_Host *); |
| 23 | int atari_scsi_reset (Scsi_Cmnd *, unsigned int); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | int atari_scsi_release (struct Scsi_Host *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 25 | |
| 26 | /* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher |
| 27 | * values should work, too; try it! (but cmd_per_lun costs memory!) */ |
| 28 | |
| 29 | /* But there seems to be a bug somewhere that requires CAN_QUEUE to be |
| 30 | * 2*CMD_PER_LUN. At least on a TT, no spurious timeouts seen since |
| 31 | * changed CMD_PER_LUN... */ |
| 32 | |
| 33 | /* Note: The Falcon currently uses 8/1 setting due to unsolved problems with |
| 34 | * cmd_per_lun != 1 */ |
| 35 | |
| 36 | #define ATARI_TT_CAN_QUEUE 16 |
| 37 | #define ATARI_TT_CMD_PER_LUN 8 |
| 38 | #define ATARI_TT_SG_TABLESIZE SG_ALL |
| 39 | |
| 40 | #define ATARI_FALCON_CAN_QUEUE 8 |
| 41 | #define ATARI_FALCON_CMD_PER_LUN 1 |
| 42 | #define ATARI_FALCON_SG_TABLESIZE SG_NONE |
| 43 | |
| 44 | #define DEFAULT_USE_TAGGED_QUEUING 0 |
| 45 | |
| 46 | |
| 47 | #define NCR5380_implementation_fields /* none */ |
| 48 | |
| 49 | #define NCR5380_read(reg) atari_scsi_reg_read( reg ) |
| 50 | #define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value ) |
| 51 | |
| 52 | #define NCR5380_intr atari_scsi_intr |
| 53 | #define NCR5380_queue_command atari_scsi_queue_command |
| 54 | #define NCR5380_abort atari_scsi_abort |
| 55 | #define NCR5380_proc_info atari_scsi_proc_info |
| 56 | #define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0) |
| 57 | #define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1) |
| 58 | #define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst ) |
| 59 | #define NCR5380_dma_xfer_len(i,cmd,phase) \ |
| 60 | atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) |
| 61 | |
Michael Schmitz | fb810d1 | 2007-05-01 22:32:35 +0200 | [diff] [blame^] | 62 | /* former generic SCSI error handling stuff */ |
| 63 | |
| 64 | #define SCSI_ABORT_SNOOZE 0 |
| 65 | #define SCSI_ABORT_SUCCESS 1 |
| 66 | #define SCSI_ABORT_PENDING 2 |
| 67 | #define SCSI_ABORT_BUSY 3 |
| 68 | #define SCSI_ABORT_NOT_RUNNING 4 |
| 69 | #define SCSI_ABORT_ERROR 5 |
| 70 | |
| 71 | #define SCSI_RESET_SNOOZE 0 |
| 72 | #define SCSI_RESET_PUNT 1 |
| 73 | #define SCSI_RESET_SUCCESS 2 |
| 74 | #define SCSI_RESET_PENDING 3 |
| 75 | #define SCSI_RESET_WAKEUP 4 |
| 76 | #define SCSI_RESET_NOT_RUNNING 5 |
| 77 | #define SCSI_RESET_ERROR 6 |
| 78 | |
| 79 | #define SCSI_RESET_SYNCHRONOUS 0x01 |
| 80 | #define SCSI_RESET_ASYNCHRONOUS 0x02 |
| 81 | #define SCSI_RESET_SUGGEST_BUS_RESET 0x04 |
| 82 | #define SCSI_RESET_SUGGEST_HOST_RESET 0x08 |
| 83 | |
| 84 | #define SCSI_RESET_BUS_RESET 0x100 |
| 85 | #define SCSI_RESET_HOST_RESET 0x200 |
| 86 | #define SCSI_RESET_ACTION 0xff |
| 87 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | /* Debugging printk definitions: |
| 89 | * |
| 90 | * ARB -> arbitration |
| 91 | * ASEN -> auto-sense |
| 92 | * DMA -> DMA |
| 93 | * HSH -> PIO handshake |
| 94 | * INF -> information transfer |
| 95 | * INI -> initialization |
| 96 | * INT -> interrupt |
| 97 | * LNK -> linked commands |
| 98 | * MAIN -> NCR5380_main() control flow |
| 99 | * NDAT -> no data-out phase |
| 100 | * NWR -> no write commands |
| 101 | * PIO -> PIO transfers |
| 102 | * PDMA -> pseudo DMA (unused on Atari) |
| 103 | * QU -> queues |
| 104 | * RSL -> reselections |
| 105 | * SEL -> selections |
| 106 | * USL -> usleep cpde (unused on Atari) |
| 107 | * LBS -> last byte sent (unused on Atari) |
| 108 | * RSS -> restarting of selections |
| 109 | * EXT -> extended messages |
| 110 | * ABRT -> aborting and resetting |
| 111 | * TAG -> queue tag handling |
| 112 | * MER -> merging of consec. buffers |
| 113 | * |
| 114 | */ |
| 115 | |
| 116 | #if NDEBUG & NDEBUG_ARBITRATION |
| 117 | #define ARB_PRINTK(format, args...) \ |
| 118 | printk(KERN_DEBUG format , ## args) |
| 119 | #else |
| 120 | #define ARB_PRINTK(format, args...) |
| 121 | #endif |
| 122 | #if NDEBUG & NDEBUG_AUTOSENSE |
| 123 | #define ASEN_PRINTK(format, args...) \ |
| 124 | printk(KERN_DEBUG format , ## args) |
| 125 | #else |
| 126 | #define ASEN_PRINTK(format, args...) |
| 127 | #endif |
| 128 | #if NDEBUG & NDEBUG_DMA |
| 129 | #define DMA_PRINTK(format, args...) \ |
| 130 | printk(KERN_DEBUG format , ## args) |
| 131 | #else |
| 132 | #define DMA_PRINTK(format, args...) |
| 133 | #endif |
| 134 | #if NDEBUG & NDEBUG_HANDSHAKE |
| 135 | #define HSH_PRINTK(format, args...) \ |
| 136 | printk(KERN_DEBUG format , ## args) |
| 137 | #else |
| 138 | #define HSH_PRINTK(format, args...) |
| 139 | #endif |
| 140 | #if NDEBUG & NDEBUG_INFORMATION |
| 141 | #define INF_PRINTK(format, args...) \ |
| 142 | printk(KERN_DEBUG format , ## args) |
| 143 | #else |
| 144 | #define INF_PRINTK(format, args...) |
| 145 | #endif |
| 146 | #if NDEBUG & NDEBUG_INIT |
| 147 | #define INI_PRINTK(format, args...) \ |
| 148 | printk(KERN_DEBUG format , ## args) |
| 149 | #else |
| 150 | #define INI_PRINTK(format, args...) |
| 151 | #endif |
| 152 | #if NDEBUG & NDEBUG_INTR |
| 153 | #define INT_PRINTK(format, args...) \ |
| 154 | printk(KERN_DEBUG format , ## args) |
| 155 | #else |
| 156 | #define INT_PRINTK(format, args...) |
| 157 | #endif |
| 158 | #if NDEBUG & NDEBUG_LINKED |
| 159 | #define LNK_PRINTK(format, args...) \ |
| 160 | printk(KERN_DEBUG format , ## args) |
| 161 | #else |
| 162 | #define LNK_PRINTK(format, args...) |
| 163 | #endif |
| 164 | #if NDEBUG & NDEBUG_MAIN |
| 165 | #define MAIN_PRINTK(format, args...) \ |
| 166 | printk(KERN_DEBUG format , ## args) |
| 167 | #else |
| 168 | #define MAIN_PRINTK(format, args...) |
| 169 | #endif |
| 170 | #if NDEBUG & NDEBUG_NO_DATAOUT |
| 171 | #define NDAT_PRINTK(format, args...) \ |
| 172 | printk(KERN_DEBUG format , ## args) |
| 173 | #else |
| 174 | #define NDAT_PRINTK(format, args...) |
| 175 | #endif |
| 176 | #if NDEBUG & NDEBUG_NO_WRITE |
| 177 | #define NWR_PRINTK(format, args...) \ |
| 178 | printk(KERN_DEBUG format , ## args) |
| 179 | #else |
| 180 | #define NWR_PRINTK(format, args...) |
| 181 | #endif |
| 182 | #if NDEBUG & NDEBUG_PIO |
| 183 | #define PIO_PRINTK(format, args...) \ |
| 184 | printk(KERN_DEBUG format , ## args) |
| 185 | #else |
| 186 | #define PIO_PRINTK(format, args...) |
| 187 | #endif |
| 188 | #if NDEBUG & NDEBUG_PSEUDO_DMA |
| 189 | #define PDMA_PRINTK(format, args...) \ |
| 190 | printk(KERN_DEBUG format , ## args) |
| 191 | #else |
| 192 | #define PDMA_PRINTK(format, args...) |
| 193 | #endif |
| 194 | #if NDEBUG & NDEBUG_QUEUES |
| 195 | #define QU_PRINTK(format, args...) \ |
| 196 | printk(KERN_DEBUG format , ## args) |
| 197 | #else |
| 198 | #define QU_PRINTK(format, args...) |
| 199 | #endif |
| 200 | #if NDEBUG & NDEBUG_RESELECTION |
| 201 | #define RSL_PRINTK(format, args...) \ |
| 202 | printk(KERN_DEBUG format , ## args) |
| 203 | #else |
| 204 | #define RSL_PRINTK(format, args...) |
| 205 | #endif |
| 206 | #if NDEBUG & NDEBUG_SELECTION |
| 207 | #define SEL_PRINTK(format, args...) \ |
| 208 | printk(KERN_DEBUG format , ## args) |
| 209 | #else |
| 210 | #define SEL_PRINTK(format, args...) |
| 211 | #endif |
| 212 | #if NDEBUG & NDEBUG_USLEEP |
| 213 | #define USL_PRINTK(format, args...) \ |
| 214 | printk(KERN_DEBUG format , ## args) |
| 215 | #else |
| 216 | #define USL_PRINTK(format, args...) |
| 217 | #endif |
| 218 | #if NDEBUG & NDEBUG_LAST_BYTE_SENT |
| 219 | #define LBS_PRINTK(format, args...) \ |
| 220 | printk(KERN_DEBUG format , ## args) |
| 221 | #else |
| 222 | #define LBS_PRINTK(format, args...) |
| 223 | #endif |
| 224 | #if NDEBUG & NDEBUG_RESTART_SELECT |
| 225 | #define RSS_PRINTK(format, args...) \ |
| 226 | printk(KERN_DEBUG format , ## args) |
| 227 | #else |
| 228 | #define RSS_PRINTK(format, args...) |
| 229 | #endif |
| 230 | #if NDEBUG & NDEBUG_EXTENDED |
| 231 | #define EXT_PRINTK(format, args...) \ |
| 232 | printk(KERN_DEBUG format , ## args) |
| 233 | #else |
| 234 | #define EXT_PRINTK(format, args...) |
| 235 | #endif |
| 236 | #if NDEBUG & NDEBUG_ABORT |
| 237 | #define ABRT_PRINTK(format, args...) \ |
| 238 | printk(KERN_DEBUG format , ## args) |
| 239 | #else |
| 240 | #define ABRT_PRINTK(format, args...) |
| 241 | #endif |
| 242 | #if NDEBUG & NDEBUG_TAGS |
| 243 | #define TAG_PRINTK(format, args...) \ |
| 244 | printk(KERN_DEBUG format , ## args) |
| 245 | #else |
| 246 | #define TAG_PRINTK(format, args...) |
| 247 | #endif |
| 248 | #if NDEBUG & NDEBUG_MERGING |
| 249 | #define MER_PRINTK(format, args...) \ |
| 250 | printk(KERN_DEBUG format , ## args) |
| 251 | #else |
| 252 | #define MER_PRINTK(format, args...) |
| 253 | #endif |
| 254 | |
| 255 | /* conditional macros for NCR5380_print_{,phase,status} */ |
| 256 | |
| 257 | #define NCR_PRINT(mask) \ |
| 258 | ((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0) |
| 259 | |
| 260 | #define NCR_PRINT_PHASE(mask) \ |
| 261 | ((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0) |
| 262 | |
| 263 | #define NCR_PRINT_STATUS(mask) \ |
| 264 | ((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0) |
| 265 | |
| 266 | |
| 267 | #endif /* ndef ASM */ |
| 268 | #endif /* ATARI_SCSI_H */ |
| 269 | |
| 270 | |