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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 | /* * 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_abort (Scsi_Cmnd *); int atari_scsi_detect (Scsi_Host_Template *); const char *atari_scsi_info (struct Scsi_Host *); int atari_scsi_queue_command (Scsi_Cmnd *, void (*done) (Scsi_Cmnd *)); int atari_scsi_reset (Scsi_Cmnd *, unsigned int); int atari_scsi_proc_info (char *, char **, off_t, int, int, int); #ifdef MODULE int atari_scsi_release (struct Scsi_Host *); #else #define atari_scsi_release NULL #endif /* 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_OER_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 #if defined (HOSTS_C) || defined (MODULE) #define ATARI_SCSI { NULL, NULL, NULL, \ atari_scsi_proc_info, \ "Atari native SCSI", \ atari_scsi_detect, \ atari_scsi_release, \ atari_scsi_info, \ /* command */ NULL, \ atari_scsi_queue_command, \ atari_scsi_abort, \ atari_scsi_reset, \ /* slave_attach */ NULL, \ /* bios_param */ NULL, \ /* can queue */ 0, /* initialized at run-time */ \ /* host_id */ 0, /* initialized at run-time */ \ /* scatter gather */ 0, /* initialized at run-time */ \ /* cmd per lun */ 0, /* initialized at run-time */ \ /* present */ 0, \ /* unchecked ISA DMA */ 0, \ /* use_clustering */ DISABLE_CLUSTERING } #endif #ifndef HOSTS_C #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) /* Debugging printk definitions: * DPRINTK() is the generic one, takes an NDEBUG_* mask as argument; * all others are hardcoded to one NDEBUG_* code: * * 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 DPRINTK(mask, format, args...) \ do { \ if (NDEBUG & (mask)) \ printk(KERN_DEBUG format , ## args); \ } while(0) #define ARB_PRINTK(format, args...) \ DPRINTK(NDEBUG_ARBITRATION, format , ##args) #define ASEN_PRINTK(format, args...) \ DPRINTK(NDEBUG_AUTOSENSE, format , ##args) #define DMA_PRINTK(format, args...) \ DPRINTK(NDEBUG_DMA, format , ##args) #define HSH_PRINTK(format, args...) \ DPRINTK(NDEBUG_HANDSHAKE, format , ##args) #define INF_PRINTK(format, args...) \ DPRINTK(NDEBUG_INFORMATION, format , ##args) #define INI_PRINTK(format, args...) \ DPRINTK(NDEBUG_INIT, format , ##args) #define INT_PRINTK(format, args...) \ DPRINTK(NDEBUG_INTR, format , ##args) #define LNK_PRINTK(format, args...) \ DPRINTK(NDEBUG_LINKED, format , ##args) #define MAIN_PRINTK(format, args...) \ DPRINTK(NDEBUG_MAIN, format , ##args) #define NDAT_PRINTK(format, args...) \ DPRINTK(NDEBUG_NO_DATAOUT, format , ##args) #define NWR_PRINTK(format, args...) \ DPRINTK(NDEBUG_NO_WRITE, format , ##args) #define PIO_PRINTK(format, args...) \ DPRINTK(NDEBUG_PIO, format , ##args) #define PDMA_PRINTK(format, args...) \ DPRINTK(NDEBUG_PSEUDO_DMA, format , ##args) #define QU_PRINTK(format, args...) \ DPRINTK(NDEBUG_QUEUES, format , ##args) #define RSL_PRINTK(format, args...) \ DPRINTK(NDEBUG_RESELECTION, format , ##args) #define SEL_PRINTK(format, args...) \ DPRINTK(NDEBUG_SELECTION, format , ##args) #define USL_PRINTK(format, args...) \ DPRINTK(NDEBUG_USLEEP, format , ##args) #define LBS_PRINTK(format, args...) \ DPRINTK(NDEBUG_LAST_BYTE_SENT, format , ##args) #define RSS_PRINTK(format, args...) \ DPRINTK(NDEBUG_RESTART_SELECT, format , ##args) #define EXT_PRINTK(format, args...) \ DPRINTK(NDEBUG_EXTENDED, format , ##args) #define ABRT_PRINTK(format, args...) \ DPRINTK(NDEBUG_ABORT, format , ##args) #define TAG_PRINTK(format, args...) \ DPRINTK(NDEBUG_TAGS, format , ##args) #define MER_PRINTK(format, args...) \ DPRINTK(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) #define NDEBUG_ANY 0xffffffff #endif /* else def HOSTS_C */ #endif /* ndef ASM */ #endif /* ATARI_SCSI_H */ |