Commit | Line | Data |
---|---|---|
1da177e4 LT |
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 | |
d0be4a7d | 21 | int atari_scsi_detect (struct scsi_host_template *); |
1da177e4 LT |
22 | const char *atari_scsi_info (struct Scsi_Host *); |
23 | int atari_scsi_reset (Scsi_Cmnd *, unsigned int); | |
1da177e4 | 24 | int atari_scsi_release (struct Scsi_Host *); |
1da177e4 LT |
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 | ||
fb810d12 MS |
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 | ||
1da177e4 LT |
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 |