2 * atari_scsi.h -- Header file for the Atari native SCSI driver
4 * Copyright 1994 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
6 * (Loosely based on the work of Robert De Vries' team)
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
18 /* (I_HAVE_OVERRUNS stuff removed) */
21 int atari_scsi_detect (struct scsi_host_template *);
22 const char *atari_scsi_info (struct Scsi_Host *);
23 int atari_scsi_reset (Scsi_Cmnd *, unsigned int);
24 int atari_scsi_release (struct Scsi_Host *);
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!) */
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... */
33 /* Note: The Falcon currently uses 8/1 setting due to unsolved problems with
36 #define ATARI_TT_CAN_QUEUE 16
37 #define ATARI_TT_CMD_PER_LUN 8
38 #define ATARI_TT_SG_TABLESIZE SG_ALL
40 #define ATARI_FALCON_CAN_QUEUE 8
41 #define ATARI_FALCON_CMD_PER_LUN 1
42 #define ATARI_FALCON_SG_TABLESIZE SG_NONE
44 #define DEFAULT_USE_TAGGED_QUEUING 0
47 #define NCR5380_implementation_fields /* none */
49 #define NCR5380_read(reg) atari_scsi_reg_read( reg )
50 #define NCR5380_write(reg, value) atari_scsi_reg_write( reg, value )
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)
62 /* former generic SCSI error handling stuff */
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
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
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
84 #define SCSI_RESET_BUS_RESET 0x100
85 #define SCSI_RESET_HOST_RESET 0x200
86 #define SCSI_RESET_ACTION 0xff
88 /* Debugging printk definitions:
93 * HSH -> PIO handshake
94 * INF -> information transfer
95 * INI -> initialization
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)
104 * RSL -> reselections
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
116 #if NDEBUG & NDEBUG_ARBITRATION
117 #define ARB_PRINTK(format, args...) \
118 printk(KERN_DEBUG format , ## args)
120 #define ARB_PRINTK(format, args...)
122 #if NDEBUG & NDEBUG_AUTOSENSE
123 #define ASEN_PRINTK(format, args...) \
124 printk(KERN_DEBUG format , ## args)
126 #define ASEN_PRINTK(format, args...)
128 #if NDEBUG & NDEBUG_DMA
129 #define DMA_PRINTK(format, args...) \
130 printk(KERN_DEBUG format , ## args)
132 #define DMA_PRINTK(format, args...)
134 #if NDEBUG & NDEBUG_HANDSHAKE
135 #define HSH_PRINTK(format, args...) \
136 printk(KERN_DEBUG format , ## args)
138 #define HSH_PRINTK(format, args...)
140 #if NDEBUG & NDEBUG_INFORMATION
141 #define INF_PRINTK(format, args...) \
142 printk(KERN_DEBUG format , ## args)
144 #define INF_PRINTK(format, args...)
146 #if NDEBUG & NDEBUG_INIT
147 #define INI_PRINTK(format, args...) \
148 printk(KERN_DEBUG format , ## args)
150 #define INI_PRINTK(format, args...)
152 #if NDEBUG & NDEBUG_INTR
153 #define INT_PRINTK(format, args...) \
154 printk(KERN_DEBUG format , ## args)
156 #define INT_PRINTK(format, args...)
158 #if NDEBUG & NDEBUG_LINKED
159 #define LNK_PRINTK(format, args...) \
160 printk(KERN_DEBUG format , ## args)
162 #define LNK_PRINTK(format, args...)
164 #if NDEBUG & NDEBUG_MAIN
165 #define MAIN_PRINTK(format, args...) \
166 printk(KERN_DEBUG format , ## args)
168 #define MAIN_PRINTK(format, args...)
170 #if NDEBUG & NDEBUG_NO_DATAOUT
171 #define NDAT_PRINTK(format, args...) \
172 printk(KERN_DEBUG format , ## args)
174 #define NDAT_PRINTK(format, args...)
176 #if NDEBUG & NDEBUG_NO_WRITE
177 #define NWR_PRINTK(format, args...) \
178 printk(KERN_DEBUG format , ## args)
180 #define NWR_PRINTK(format, args...)
182 #if NDEBUG & NDEBUG_PIO
183 #define PIO_PRINTK(format, args...) \
184 printk(KERN_DEBUG format , ## args)
186 #define PIO_PRINTK(format, args...)
188 #if NDEBUG & NDEBUG_PSEUDO_DMA
189 #define PDMA_PRINTK(format, args...) \
190 printk(KERN_DEBUG format , ## args)
192 #define PDMA_PRINTK(format, args...)
194 #if NDEBUG & NDEBUG_QUEUES
195 #define QU_PRINTK(format, args...) \
196 printk(KERN_DEBUG format , ## args)
198 #define QU_PRINTK(format, args...)
200 #if NDEBUG & NDEBUG_RESELECTION
201 #define RSL_PRINTK(format, args...) \
202 printk(KERN_DEBUG format , ## args)
204 #define RSL_PRINTK(format, args...)
206 #if NDEBUG & NDEBUG_SELECTION
207 #define SEL_PRINTK(format, args...) \
208 printk(KERN_DEBUG format , ## args)
210 #define SEL_PRINTK(format, args...)
212 #if NDEBUG & NDEBUG_USLEEP
213 #define USL_PRINTK(format, args...) \
214 printk(KERN_DEBUG format , ## args)
216 #define USL_PRINTK(format, args...)
218 #if NDEBUG & NDEBUG_LAST_BYTE_SENT
219 #define LBS_PRINTK(format, args...) \
220 printk(KERN_DEBUG format , ## args)
222 #define LBS_PRINTK(format, args...)
224 #if NDEBUG & NDEBUG_RESTART_SELECT
225 #define RSS_PRINTK(format, args...) \
226 printk(KERN_DEBUG format , ## args)
228 #define RSS_PRINTK(format, args...)
230 #if NDEBUG & NDEBUG_EXTENDED
231 #define EXT_PRINTK(format, args...) \
232 printk(KERN_DEBUG format , ## args)
234 #define EXT_PRINTK(format, args...)
236 #if NDEBUG & NDEBUG_ABORT
237 #define ABRT_PRINTK(format, args...) \
238 printk(KERN_DEBUG format , ## args)
240 #define ABRT_PRINTK(format, args...)
242 #if NDEBUG & NDEBUG_TAGS
243 #define TAG_PRINTK(format, args...) \
244 printk(KERN_DEBUG format , ## args)
246 #define TAG_PRINTK(format, args...)
248 #if NDEBUG & NDEBUG_MERGING
249 #define MER_PRINTK(format, args...) \
250 printk(KERN_DEBUG format , ## args)
252 #define MER_PRINTK(format, args...)
255 /* conditional macros for NCR5380_print_{,phase,status} */
257 #define NCR_PRINT(mask) \
258 ((NDEBUG & (mask)) ? NCR5380_print(instance) : (void)0)
260 #define NCR_PRINT_PHASE(mask) \
261 ((NDEBUG & (mask)) ? NCR5380_print_phase(instance) : (void)0)
263 #define NCR_PRINT_STATUS(mask) \
264 ((NDEBUG & (mask)) ? NCR5380_print_status(instance) : (void)0)
267 #endif /* ndef ASM */
268 #endif /* ATARI_SCSI_H */