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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 | /* * atari_scsi.h -- Header file for the Atari native SCSI driver * * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> * * (Loosely based on the work of Robert De Vries' team) * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. * */ #ifndef ATARI_SCSI_H #define ATARI_SCSI_H /* (I_HAVE_OVERRUNS stuff removed) */ #ifndef ASM int atari_scsi_detect (struct scsi_host_template *); const char *atari_scsi_info (struct Scsi_Host *); int atari_scsi_reset (Scsi_Cmnd *, unsigned int); int atari_scsi_release (struct Scsi_Host *); /* The values for CMD_PER_LUN and CAN_QUEUE are somehow arbitrary. Higher * values should work, too; try it! (but cmd_per_lun costs memory!) */ /* But there seems to be a bug somewhere that requires CAN_QUEUE to be * 2*CMD_PER_LUN. At least on a TT, no spurious timeouts seen since * changed CMD_PER_LUN... */ /* Note: The Falcon currently uses 8/1 setting due to unsolved problems with * cmd_per_lun != 1 */ #define ATARI_TT_CAN_QUEUE 16 #define ATARI_TT_CMD_PER_LUN 8 #define ATARI_TT_SG_TABLESIZE SG_ALL #define ATARI_FALCON_CAN_QUEUE 8 #define ATARI_FALCON_CMD_PER_LUN 1 #define ATARI_FALCON_SG_TABLESIZE SG_NONE #define DEFAULT_USE_TAGGED_QUEUING 0 #define NCR5380_implementation_fields /* none */ #define NCR5380_read(reg) atari_scsi_reg_read( reg ) #define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value ) #define NCR5380_intr atari_scsi_intr #define NCR5380_queue_command atari_scsi_queue_command #define NCR5380_abort atari_scsi_abort #define NCR5380_proc_info atari_scsi_proc_info #define NCR5380_dma_read_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 0) #define NCR5380_dma_write_setup(inst,d,c) atari_scsi_dma_setup (inst, d, c, 1) #define NCR5380_dma_residual(inst) atari_scsi_dma_residual( inst ) #define NCR5380_dma_xfer_len(i,cmd,phase) \ atari_dma_xfer_len(cmd->SCp.this_residual,cmd,((phase) & SR_IO) ? 0 : 1) /* former generic SCSI error handling stuff */ #define SCSI_ABORT_SNOOZE 0 #define SCSI_ABORT_SUCCESS 1 #define SCSI_ABORT_PENDING 2 #define SCSI_ABORT_BUSY 3 #define SCSI_ABORT_NOT_RUNNING 4 #define SCSI_ABORT_ERROR 5 #define SCSI_RESET_SNOOZE 0 #define SCSI_RESET_PUNT 1 #define SCSI_RESET_SUCCESS 2 #define SCSI_RESET_PENDING 3 #define SCSI_RESET_WAKEUP 4 #define SCSI_RESET_NOT_RUNNING 5 #define SCSI_RESET_ERROR 6 #define SCSI_RESET_SYNCHRONOUS 0x01 #define SCSI_RESET_ASYNCHRONOUS 0x02 #define SCSI_RESET_SUGGEST_BUS_RESET 0x04 #define SCSI_RESET_SUGGEST_HOST_RESET 0x08 #define SCSI_RESET_BUS_RESET 0x100 #define SCSI_RESET_HOST_RESET 0x200 #define SCSI_RESET_ACTION 0xff /* Debugging printk definitions: * * ARB -> arbitration * ASEN -> auto-sense * DMA -> DMA * HSH -> PIO handshake * INF -> information transfer * INI -> initialization * INT -> interrupt * LNK -> linked commands * MAIN -> NCR5380_main() control flow * NDAT -> no data-out phase * NWR -> no write commands * PIO -> PIO transfers * PDMA -> pseudo DMA (unused on Atari) * QU -> queues * RSL -> reselections * SEL -> selections * USL -> usleep cpde (unused on Atari) * LBS -> last byte sent (unused on Atari) * RSS -> restarting of selections * EXT -> extended messages * ABRT -> aborting and resetting * TAG -> queue tag handling * MER -> merging of consec. buffers * */ #define dprint(flg, format...) \ ({ \ if (NDEBUG & (flg)) \ printk(KERN_DEBUG format); \ }) #define ARB_PRINTK(format, args...) \ dprint(NDEBUG_ARBITRATION, format , ## args) #define ASEN_PRINTK(format, args...) \ dprint(NDEBUG_AUTOSENSE, format , ## args) #define DMA_PRINTK(format, args...) \ dprint(NDEBUG_DMA, format , ## args) #define HSH_PRINTK(format, args...) \ dprint(NDEBUG_HANDSHAKE, format , ## args) #define INF_PRINTK(format, args...) \ dprint(NDEBUG_INFORMATION, format , ## args) #define INI_PRINTK(format, args...) \ dprint(NDEBUG_INIT, format , ## args) #define INT_PRINTK(format, args...) \ dprint(NDEBUG_INTR, format , ## args) #define LNK_PRINTK(format, args...) \ dprint(NDEBUG_LINKED, format , ## args) #define MAIN_PRINTK(format, args...) \ dprint(NDEBUG_MAIN, format , ## args) #define NDAT_PRINTK(format, args...) \ dprint(NDEBUG_NO_DATAOUT, format , ## args) #define NWR_PRINTK(format, args...) \ dprint(NDEBUG_NO_WRITE, format , ## args) #define PIO_PRINTK(format, args...) \ dprint(NDEBUG_PIO, format , ## args) #define PDMA_PRINTK(format, args...) \ dprint(NDEBUG_PSEUDO_DMA, format , ## args) #define QU_PRINTK(format, args...) \ dprint(NDEBUG_QUEUES, format , ## args) #define RSL_PRINTK(format, args...) \ dprint(NDEBUG_RESELECTION, format , ## args) #define SEL_PRINTK(format, args...) \ dprint(NDEBUG_SELECTION, format , ## args) #define USL_PRINTK(format, args...) \ dprint(NDEBUG_USLEEP, format , ## args) #define LBS_PRINTK(format, args...) \ dprint(NDEBUG_LAST_BYTE_SENT, format , ## args) #define RSS_PRINTK(format, args...) \ dprint(NDEBUG_RESTART_SELECT, format , ## args) #define EXT_PRINTK(format, args...) \ dprint(NDEBUG_EXTENDED, format , ## args) #define ABRT_PRINTK(format, args...) \ dprint(NDEBUG_ABORT, format , ## args) #define TAG_PRINTK(format, args...) \ dprint(NDEBUG_TAGS, format , ## args) #define MER_PRINTK(format, args...) \ dprint(NDEBUG_MERGING, format , ## args) /* conditional macros for NCR5380_print_{,phase,status} */ #define NCR_PRINT(mask) \ ((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0) #define NCR_PRINT_PHASE(mask) \ ((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0) #define NCR_PRINT_STATUS(mask) \ ((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0) #endif /* ndef ASM */ #endif /* ATARI_SCSI_H */ |