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