Commit | Line | Data |
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09c434b8 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 LT |
2 | /* |
3 | * Copyright (C) 1997 Wu Ching Chen | |
4 | * 2.1.x update (C) 1998 Krzysztof G. Baranowski | |
fa195afe AC |
5 | * 2.5.x update (C) 2002 Red Hat |
6 | * 2.6.x update (C) 2004 Red Hat | |
1da177e4 LT |
7 | * |
8 | * Marcelo Tosatti <marcelo@conectiva.com.br> : SMP fixes | |
9 | * | |
10 | * Wu Ching Chen : NULL pointer fixes 2000/06/02 | |
11 | * support atp876 chip | |
12 | * enable 32 bit fifo transfer | |
13 | * support cdrom & remove device run ultra speed | |
14 | * fix disconnect bug 2000/12/21 | |
15 | * support atp880 chip lvd u160 2001/05/15 | |
16 | * fix prd table bug 2001/09/12 (7.1) | |
17 | * | |
18 | * atp885 support add by ACARD Hao Ping Lian 2005/01/05 | |
19 | */ | |
20 | #include <linux/module.h> | |
21 | #include <linux/init.h> | |
22 | #include <linux/interrupt.h> | |
23 | #include <linux/kernel.h> | |
24 | #include <linux/types.h> | |
25 | #include <linux/string.h> | |
26 | #include <linux/ioport.h> | |
27 | #include <linux/delay.h> | |
28 | #include <linux/proc_fs.h> | |
29 | #include <linux/spinlock.h> | |
30 | #include <linux/pci.h> | |
31 | #include <linux/blkdev.h> | |
910638ae | 32 | #include <linux/dma-mapping.h> |
5a0e3ad6 | 33 | #include <linux/slab.h> |
1da177e4 LT |
34 | #include <asm/io.h> |
35 | ||
36 | #include <scsi/scsi.h> | |
37 | #include <scsi/scsi_cmnd.h> | |
38 | #include <scsi/scsi_device.h> | |
39 | #include <scsi/scsi_host.h> | |
40 | ||
41 | #include "atp870u.h" | |
42 | ||
43 | static struct scsi_host_template atp870u_template; | |
44 | static void send_s870(struct atp_unit *dev,unsigned char c); | |
bcd5c59f HR |
45 | static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, |
46 | unsigned char lvdmode); | |
1da177e4 | 47 | |
6a3cebb6 OZ |
48 | static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val) |
49 | { | |
50 | outb(val, atp->baseport + reg); | |
51 | } | |
52 | ||
d804bb25 OZ |
53 | static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val) |
54 | { | |
55 | outw(val, atp->baseport + reg); | |
56 | } | |
57 | ||
6a3cebb6 OZ |
58 | static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val) |
59 | { | |
60 | outb(val, atp->ioport[channel] + reg); | |
61 | } | |
62 | ||
63 | static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val) | |
64 | { | |
65 | outw(val, atp->ioport[channel] + reg); | |
66 | } | |
67 | ||
68 | static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val) | |
69 | { | |
70 | outb(val, atp->pciport[channel] + reg); | |
71 | } | |
72 | ||
73 | static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val) | |
74 | { | |
75 | outl(val, atp->pciport[channel] + reg); | |
76 | } | |
77 | ||
78 | static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg) | |
79 | { | |
80 | return inb(atp->baseport + reg); | |
81 | } | |
82 | ||
d804bb25 OZ |
83 | static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg) |
84 | { | |
85 | return inw(atp->baseport + reg); | |
86 | } | |
87 | ||
88 | static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg) | |
89 | { | |
90 | return inl(atp->baseport + reg); | |
91 | } | |
92 | ||
6a3cebb6 OZ |
93 | static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg) |
94 | { | |
95 | return inb(atp->ioport[channel] + reg); | |
96 | } | |
97 | ||
98 | static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg) | |
99 | { | |
100 | return inw(atp->ioport[channel] + reg); | |
101 | } | |
102 | ||
103 | static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg) | |
104 | { | |
105 | return inb(atp->pciport[channel] + reg); | |
106 | } | |
107 | ||
b922a449 OZ |
108 | static inline bool is880(struct atp_unit *atp) |
109 | { | |
110 | return atp->pdev->device == ATP880_DEVID1 || | |
111 | atp->pdev->device == ATP880_DEVID2; | |
112 | } | |
113 | ||
114 | static inline bool is885(struct atp_unit *atp) | |
115 | { | |
116 | return atp->pdev->device == ATP885_DEVID; | |
117 | } | |
118 | ||
7d12e780 | 119 | static irqreturn_t atp870u_intr_handle(int irq, void *dev_id) |
1da177e4 LT |
120 | { |
121 | unsigned long flags; | |
bc0fe4c9 | 122 | unsigned short int id; |
1da177e4 LT |
123 | unsigned char i, j, c, target_id, lun,cmdp; |
124 | unsigned char *prd; | |
125 | struct scsi_cmnd *workreq; | |
1da177e4 LT |
126 | unsigned long adrcnt, k; |
127 | #ifdef ED_DBGP | |
128 | unsigned long l; | |
129 | #endif | |
1da177e4 LT |
130 | struct Scsi_Host *host = dev_id; |
131 | struct atp_unit *dev = (struct atp_unit *)&host->hostdata; | |
132 | ||
133 | for (c = 0; c < 2; c++) { | |
6a3cebb6 | 134 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 135 | if ((j & 0x80) != 0) |
78614ecd | 136 | break; |
1da177e4 LT |
137 | dev->in_int[c] = 0; |
138 | } | |
78614ecd OZ |
139 | if ((j & 0x80) == 0) |
140 | return IRQ_NONE; | |
bcd5c59f | 141 | #ifdef ED_DBGP |
1da177e4 | 142 | printk("atp870u_intr_handle enter\n"); |
bcd5c59f | 143 | #endif |
1da177e4 | 144 | dev->in_int[c] = 1; |
6a3cebb6 | 145 | cmdp = atp_readb_io(dev, c, 0x10); |
1da177e4 | 146 | if (dev->working[c] != 0) { |
b922a449 | 147 | if (is885(dev)) { |
6a3cebb6 | 148 | if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0) |
bcd5c59f HR |
149 | atp_writeb_io(dev, c, 0x16, |
150 | (atp_readb_io(dev, c, 0x16) | 0x80)); | |
151 | } | |
6a3cebb6 | 152 | if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0) |
1da177e4 | 153 | { |
1da177e4 | 154 | for (k=0; k < 1000; k++) { |
6a3cebb6 | 155 | if ((atp_readb_pci(dev, c, 2) & 0x08) == 0) |
78614ecd | 156 | break; |
6a3cebb6 | 157 | if ((atp_readb_pci(dev, c, 2) & 0x01) == 0) |
78614ecd | 158 | break; |
1da177e4 LT |
159 | } |
160 | } | |
6a3cebb6 | 161 | atp_writeb_pci(dev, c, 0, 0x00); |
bcd5c59f | 162 | |
6a3cebb6 | 163 | i = atp_readb_io(dev, c, 0x17); |
bcd5c59f | 164 | |
b922a449 | 165 | if (is885(dev)) |
6a3cebb6 | 166 | atp_writeb_pci(dev, c, 2, 0x06); |
1da177e4 | 167 | |
6a3cebb6 | 168 | target_id = atp_readb_io(dev, c, 0x15); |
1da177e4 LT |
169 | |
170 | /* | |
171 | * Remap wide devices onto id numbers | |
172 | */ | |
173 | ||
174 | if ((target_id & 0x40) != 0) { | |
175 | target_id = (target_id & 0x07) | 0x08; | |
176 | } else { | |
177 | target_id &= 0x07; | |
178 | } | |
179 | ||
180 | if ((j & 0x40) != 0) { | |
181 | if (dev->last_cmd[c] == 0xff) { | |
182 | dev->last_cmd[c] = target_id; | |
183 | } | |
184 | dev->last_cmd[c] |= 0x40; | |
185 | } | |
b922a449 | 186 | if (is885(dev)) |
1da177e4 LT |
187 | dev->r1f[c][target_id] |= j; |
188 | #ifdef ED_DBGP | |
189 | printk("atp870u_intr_handle status = %x\n",i); | |
bcd5c59f | 190 | #endif |
1da177e4 LT |
191 | if (i == 0x85) { |
192 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { | |
193 | dev->last_cmd[c] = 0xff; | |
194 | } | |
b922a449 | 195 | if (is885(dev)) { |
1da177e4 | 196 | adrcnt = 0; |
bcd5c59f HR |
197 | ((unsigned char *) &adrcnt)[2] = |
198 | atp_readb_io(dev, c, 0x12); | |
199 | ((unsigned char *) &adrcnt)[1] = | |
200 | atp_readb_io(dev, c, 0x13); | |
201 | ((unsigned char *) &adrcnt)[0] = | |
202 | atp_readb_io(dev, c, 0x14); | |
22c0738b CIK |
203 | if (dev->id[c][target_id].last_len != adrcnt) { |
204 | k = dev->id[c][target_id].last_len; | |
bcd5c59f HR |
205 | k -= adrcnt; |
206 | dev->id[c][target_id].tran_len = k; | |
22c0738b | 207 | dev->id[c][target_id].last_len = adrcnt; |
1da177e4 LT |
208 | } |
209 | #ifdef ED_DBGP | |
bcd5c59f HR |
210 | printk("dev->id[c][target_id].last_len = %d " |
211 | "dev->id[c][target_id].tran_len = %d\n", | |
212 | dev->id[c][target_id].last_len, | |
213 | dev->id[c][target_id].tran_len); | |
214 | #endif | |
1da177e4 LT |
215 | } |
216 | ||
217 | /* | |
218 | * Flip wide | |
bcd5c59f | 219 | */ |
1da177e4 | 220 | if (dev->wide_id[c] != 0) { |
6a3cebb6 OZ |
221 | atp_writeb_io(dev, c, 0x1b, 0x01); |
222 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) | |
223 | atp_writeb_io(dev, c, 0x1b, 0x01); | |
bcd5c59f | 224 | } |
1da177e4 LT |
225 | /* |
226 | * Issue more commands | |
227 | */ | |
bcd5c59f HR |
228 | spin_lock_irqsave(dev->host->host_lock, flags); |
229 | if (((dev->quhd[c] != dev->quend[c]) || | |
230 | (dev->last_cmd[c] != 0xff)) && | |
1da177e4 LT |
231 | (dev->in_snd[c] == 0)) { |
232 | #ifdef ED_DBGP | |
233 | printk("Call sent_s870\n"); | |
bcd5c59f | 234 | #endif |
1da177e4 LT |
235 | send_s870(dev,c); |
236 | } | |
237 | spin_unlock_irqrestore(dev->host->host_lock, flags); | |
238 | /* | |
239 | * Done | |
240 | */ | |
241 | dev->in_int[c] = 0; | |
242 | #ifdef ED_DBGP | |
243 | printk("Status 0x85 return\n"); | |
bcd5c59f | 244 | #endif |
78614ecd | 245 | return IRQ_HANDLED; |
1da177e4 LT |
246 | } |
247 | ||
248 | if (i == 0x40) { | |
249 | dev->last_cmd[c] |= 0x40; | |
250 | dev->in_int[c] = 0; | |
78614ecd | 251 | return IRQ_HANDLED; |
1da177e4 LT |
252 | } |
253 | ||
254 | if (i == 0x21) { | |
255 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { | |
256 | dev->last_cmd[c] = 0xff; | |
257 | } | |
1da177e4 | 258 | adrcnt = 0; |
bcd5c59f HR |
259 | ((unsigned char *) &adrcnt)[2] = |
260 | atp_readb_io(dev, c, 0x12); | |
261 | ((unsigned char *) &adrcnt)[1] = | |
262 | atp_readb_io(dev, c, 0x13); | |
263 | ((unsigned char *) &adrcnt)[0] = | |
264 | atp_readb_io(dev, c, 0x14); | |
1da177e4 LT |
265 | k = dev->id[c][target_id].last_len; |
266 | k -= adrcnt; | |
267 | dev->id[c][target_id].tran_len = k; | |
268 | dev->id[c][target_id].last_len = adrcnt; | |
6a3cebb6 OZ |
269 | atp_writeb_io(dev, c, 0x10, 0x41); |
270 | atp_writeb_io(dev, c, 0x18, 0x08); | |
1da177e4 | 271 | dev->in_int[c] = 0; |
78614ecd | 272 | return IRQ_HANDLED; |
1da177e4 LT |
273 | } |
274 | ||
b922a449 | 275 | if (is885(dev)) { |
1da177e4 | 276 | if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) { |
bcd5c59f HR |
277 | if ((i == 0x4c) || (i == 0x8c)) |
278 | i=0x48; | |
279 | else | |
280 | i=0x49; | |
281 | } | |
1da177e4 LT |
282 | } |
283 | if ((i == 0x80) || (i == 0x8f)) { | |
284 | #ifdef ED_DBGP | |
285 | printk(KERN_DEBUG "Device reselect\n"); | |
bcd5c59f | 286 | #endif |
1da177e4 | 287 | lun = 0; |
6a3cebb6 OZ |
288 | if (cmdp == 0x44 || i == 0x80) |
289 | lun = atp_readb_io(dev, c, 0x1d) & 0x07; | |
290 | else { | |
1da177e4 LT |
291 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
292 | dev->last_cmd[c] = 0xff; | |
293 | } | |
294 | if (cmdp == 0x41) { | |
295 | #ifdef ED_DBGP | |
296 | printk("cmdp = 0x41\n"); | |
bcd5c59f | 297 | #endif |
1da177e4 | 298 | adrcnt = 0; |
bcd5c59f HR |
299 | ((unsigned char *) &adrcnt)[2] = |
300 | atp_readb_io(dev, c, 0x12); | |
301 | ((unsigned char *) &adrcnt)[1] = | |
302 | atp_readb_io(dev, c, 0x13); | |
303 | ((unsigned char *) &adrcnt)[0] = | |
304 | atp_readb_io(dev, c, 0x14); | |
1da177e4 LT |
305 | k = dev->id[c][target_id].last_len; |
306 | k -= adrcnt; | |
307 | dev->id[c][target_id].tran_len = k; | |
308 | dev->id[c][target_id].last_len = adrcnt; | |
6a3cebb6 | 309 | atp_writeb_io(dev, c, 0x18, 0x08); |
1da177e4 | 310 | dev->in_int[c] = 0; |
78614ecd | 311 | return IRQ_HANDLED; |
1da177e4 LT |
312 | } else { |
313 | #ifdef ED_DBGP | |
314 | printk("cmdp != 0x41\n"); | |
bcd5c59f | 315 | #endif |
6a3cebb6 | 316 | atp_writeb_io(dev, c, 0x10, 0x46); |
1da177e4 | 317 | dev->id[c][target_id].dirct = 0x00; |
6a3cebb6 OZ |
318 | atp_writeb_io(dev, c, 0x12, 0x00); |
319 | atp_writeb_io(dev, c, 0x13, 0x00); | |
320 | atp_writeb_io(dev, c, 0x14, 0x00); | |
321 | atp_writeb_io(dev, c, 0x18, 0x08); | |
1da177e4 | 322 | dev->in_int[c] = 0; |
78614ecd | 323 | return IRQ_HANDLED; |
1da177e4 LT |
324 | } |
325 | } | |
326 | if (dev->last_cmd[c] != 0xff) { | |
327 | dev->last_cmd[c] |= 0x40; | |
328 | } | |
b922a449 | 329 | if (is885(dev)) { |
6a3cebb6 OZ |
330 | j = atp_readb_base(dev, 0x29) & 0xfe; |
331 | atp_writeb_base(dev, 0x29, j); | |
3a38e53e | 332 | } else |
6a3cebb6 | 333 | atp_writeb_io(dev, c, 0x10, 0x45); |
3a38e53e | 334 | |
6a3cebb6 | 335 | target_id = atp_readb_io(dev, c, 0x16); |
1da177e4 LT |
336 | /* |
337 | * Remap wide identifiers | |
338 | */ | |
339 | if ((target_id & 0x10) != 0) { | |
340 | target_id = (target_id & 0x07) | 0x08; | |
341 | } else { | |
342 | target_id &= 0x07; | |
343 | } | |
b922a449 | 344 | if (is885(dev)) |
6a3cebb6 | 345 | atp_writeb_io(dev, c, 0x10, 0x45); |
1da177e4 | 346 | workreq = dev->id[c][target_id].curr_req; |
bcd5c59f | 347 | #ifdef ED_DBGP |
017560fc JG |
348 | scmd_printk(KERN_DEBUG, workreq, "CDB"); |
349 | for (l = 0; l < workreq->cmd_len; l++) | |
1da177e4 | 350 | printk(KERN_DEBUG " %x",workreq->cmnd[l]); |
017560fc | 351 | printk("\n"); |
bcd5c59f HR |
352 | #endif |
353 | ||
6a3cebb6 OZ |
354 | atp_writeb_io(dev, c, 0x0f, lun); |
355 | atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); | |
1da177e4 LT |
356 | adrcnt = dev->id[c][target_id].tran_len; |
357 | k = dev->id[c][target_id].last_len; | |
358 | ||
6a3cebb6 OZ |
359 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]); |
360 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]); | |
361 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]); | |
bcd5c59f HR |
362 | #ifdef ED_DBGP |
363 | printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k, | |
364 | atp_readb_io(dev, c, 0x14), | |
365 | atp_readb_io(dev, c, 0x13), | |
366 | atp_readb_io(dev, c, 0x12)); | |
367 | #endif | |
1da177e4 LT |
368 | /* Remap wide */ |
369 | j = target_id; | |
370 | if (target_id > 7) { | |
371 | j = (j & 0x07) | 0x40; | |
372 | } | |
373 | /* Add direction */ | |
374 | j |= dev->id[c][target_id].dirct; | |
6a3cebb6 OZ |
375 | atp_writeb_io(dev, c, 0x15, j); |
376 | atp_writeb_io(dev, c, 0x16, 0x80); | |
bcd5c59f HR |
377 | |
378 | /* enable 32 bit fifo transfer */ | |
b922a449 | 379 | if (is885(dev)) { |
6a3cebb6 | 380 | i = atp_readb_pci(dev, c, 1) & 0xf3; |
bcd5c59f | 381 | //j=workreq->cmnd[0]; |
f3272258 HR |
382 | if ((workreq->cmnd[0] == READ_6) || |
383 | (workreq->cmnd[0] == READ_10) || | |
384 | (workreq->cmnd[0] == WRITE_6) || | |
385 | (workreq->cmnd[0] == WRITE_10)) { | |
1da177e4 LT |
386 | i |= 0x0c; |
387 | } | |
6a3cebb6 | 388 | atp_writeb_pci(dev, c, 1, i); |
b922a449 | 389 | } else if (is880(dev)) { |
f3272258 HR |
390 | if ((workreq->cmnd[0] == READ_6) || |
391 | (workreq->cmnd[0] == READ_10) || | |
392 | (workreq->cmnd[0] == WRITE_6) || | |
393 | (workreq->cmnd[0] == WRITE_10)) | |
bcd5c59f HR |
394 | atp_writeb_base(dev, 0x3b, |
395 | (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); | |
6a3cebb6 | 396 | else |
bcd5c59f HR |
397 | atp_writeb_base(dev, 0x3b, |
398 | atp_readb_base(dev, 0x3b) & 0x3f); | |
399 | } else { | |
f3272258 HR |
400 | if ((workreq->cmnd[0] == READ_6) || |
401 | (workreq->cmnd[0] == READ_10) || | |
402 | (workreq->cmnd[0] == WRITE_6) || | |
403 | (workreq->cmnd[0] == WRITE_10)) | |
bcd5c59f HR |
404 | atp_writeb_base(dev, 0x3a, |
405 | (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); | |
6a3cebb6 | 406 | else |
bcd5c59f HR |
407 | atp_writeb_base(dev, 0x3a, |
408 | atp_readb_base(dev, 0x3a) & 0xf3); | |
409 | } | |
1da177e4 LT |
410 | j = 0; |
411 | id = 1; | |
412 | id = id << target_id; | |
413 | /* | |
414 | * Is this a wide device | |
415 | */ | |
416 | if ((id & dev->wide_id[c]) != 0) { | |
417 | j |= 0x01; | |
418 | } | |
6a3cebb6 OZ |
419 | atp_writeb_io(dev, c, 0x1b, j); |
420 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) | |
421 | atp_writeb_io(dev, c, 0x1b, j); | |
1da177e4 | 422 | if (dev->id[c][target_id].last_len == 0) { |
6a3cebb6 | 423 | atp_writeb_io(dev, c, 0x18, 0x08); |
1da177e4 LT |
424 | dev->in_int[c] = 0; |
425 | #ifdef ED_DBGP | |
426 | printk("dev->id[c][target_id].last_len = 0\n"); | |
bcd5c59f | 427 | #endif |
78614ecd | 428 | return IRQ_HANDLED; |
1da177e4 LT |
429 | } |
430 | #ifdef ED_DBGP | |
431 | printk("target_id = %d adrcnt = %d\n",target_id,adrcnt); | |
bcd5c59f | 432 | #endif |
1da177e4 LT |
433 | prd = dev->id[c][target_id].prd_pos; |
434 | while (adrcnt != 0) { | |
435 | id = ((unsigned short int *)prd)[2]; | |
436 | if (id == 0) { | |
437 | k = 0x10000; | |
438 | } else { | |
439 | k = id; | |
440 | } | |
441 | if (k > adrcnt) { | |
bcd5c59f HR |
442 | ((unsigned short int *)prd)[2] = |
443 | (unsigned short int)(k - adrcnt); | |
1da177e4 LT |
444 | ((unsigned long *)prd)[0] += adrcnt; |
445 | adrcnt = 0; | |
446 | dev->id[c][target_id].prd_pos = prd; | |
447 | } else { | |
448 | adrcnt -= k; | |
449 | dev->id[c][target_id].prdaddr += 0x08; | |
450 | prd += 0x08; | |
451 | if (adrcnt == 0) { | |
452 | dev->id[c][target_id].prd_pos = prd; | |
453 | } | |
bcd5c59f | 454 | } |
1da177e4 | 455 | } |
6a3cebb6 | 456 | atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr); |
1da177e4 | 457 | #ifdef ED_DBGP |
bcd5c59f HR |
458 | printk("dev->id[%d][%d].prdaddr 0x%8x\n", |
459 | c, target_id, dev->id[c][target_id].prdaddr); | |
1da177e4 | 460 | #endif |
b922a449 | 461 | if (!is885(dev)) { |
6a3cebb6 OZ |
462 | atp_writeb_pci(dev, c, 2, 0x06); |
463 | atp_writeb_pci(dev, c, 2, 0x00); | |
1da177e4 | 464 | } |
1da177e4 LT |
465 | /* |
466 | * Check transfer direction | |
467 | */ | |
468 | if (dev->id[c][target_id].dirct != 0) { | |
6a3cebb6 OZ |
469 | atp_writeb_io(dev, c, 0x18, 0x08); |
470 | atp_writeb_pci(dev, c, 0, 0x01); | |
1da177e4 LT |
471 | dev->in_int[c] = 0; |
472 | #ifdef ED_DBGP | |
473 | printk("status 0x80 return dirct != 0\n"); | |
bcd5c59f | 474 | #endif |
78614ecd | 475 | return IRQ_HANDLED; |
1da177e4 | 476 | } |
6a3cebb6 OZ |
477 | atp_writeb_io(dev, c, 0x18, 0x08); |
478 | atp_writeb_pci(dev, c, 0, 0x09); | |
1da177e4 LT |
479 | dev->in_int[c] = 0; |
480 | #ifdef ED_DBGP | |
481 | printk("status 0x80 return dirct = 0\n"); | |
bcd5c59f | 482 | #endif |
78614ecd | 483 | return IRQ_HANDLED; |
1da177e4 LT |
484 | } |
485 | ||
486 | /* | |
487 | * Current scsi request on this target | |
488 | */ | |
489 | ||
490 | workreq = dev->id[c][target_id].curr_req; | |
491 | ||
78614ecd | 492 | if (i == 0x42 || i == 0x16) { |
1da177e4 LT |
493 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
494 | dev->last_cmd[c] = 0xff; | |
495 | } | |
78614ecd | 496 | if (i == 0x16) { |
6a3cebb6 | 497 | workreq->result = atp_readb_io(dev, c, 0x0f); |
b922a449 | 498 | if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) { |
78614ecd | 499 | printk(KERN_WARNING "AEC67162 CRC ERROR !\n"); |
f3272258 | 500 | workreq->result = SAM_STAT_CHECK_CONDITION; |
78614ecd OZ |
501 | } |
502 | } else | |
f3272258 | 503 | workreq->result = SAM_STAT_CHECK_CONDITION; |
78614ecd | 504 | |
b922a449 | 505 | if (is885(dev)) { |
6a3cebb6 OZ |
506 | j = atp_readb_base(dev, 0x29) | 0x01; |
507 | atp_writeb_base(dev, 0x29, j); | |
1da177e4 LT |
508 | } |
509 | /* | |
510 | * Complete the command | |
511 | */ | |
fe7ed98f BH |
512 | scsi_dma_unmap(workreq); |
513 | ||
1da177e4 | 514 | spin_lock_irqsave(dev->host->host_lock, flags); |
681fa525 | 515 | scsi_done(workreq); |
1da177e4 LT |
516 | #ifdef ED_DBGP |
517 | printk("workreq->scsi_done\n"); | |
bcd5c59f | 518 | #endif |
1da177e4 LT |
519 | /* |
520 | * Clear it off the queue | |
521 | */ | |
522 | dev->id[c][target_id].curr_req = NULL; | |
523 | dev->working[c]--; | |
524 | spin_unlock_irqrestore(dev->host->host_lock, flags); | |
525 | /* | |
526 | * Take it back wide | |
527 | */ | |
528 | if (dev->wide_id[c] != 0) { | |
6a3cebb6 OZ |
529 | atp_writeb_io(dev, c, 0x1b, 0x01); |
530 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) | |
531 | atp_writeb_io(dev, c, 0x1b, 0x01); | |
bcd5c59f | 532 | } |
1da177e4 LT |
533 | /* |
534 | * If there is stuff to send and nothing going then send it | |
535 | */ | |
536 | spin_lock_irqsave(dev->host->host_lock, flags); | |
bcd5c59f HR |
537 | if (((dev->last_cmd[c] != 0xff) || |
538 | (dev->quhd[c] != dev->quend[c])) && | |
1da177e4 LT |
539 | (dev->in_snd[c] == 0)) { |
540 | #ifdef ED_DBGP | |
541 | printk("Call sent_s870(scsi_done)\n"); | |
bcd5c59f | 542 | #endif |
1da177e4 LT |
543 | send_s870(dev,c); |
544 | } | |
545 | spin_unlock_irqrestore(dev->host->host_lock, flags); | |
546 | dev->in_int[c] = 0; | |
78614ecd | 547 | return IRQ_HANDLED; |
1da177e4 LT |
548 | } |
549 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { | |
550 | dev->last_cmd[c] = 0xff; | |
551 | } | |
552 | if (i == 0x4f) { | |
553 | i = 0x89; | |
554 | } | |
555 | i &= 0x0f; | |
556 | if (i == 0x09) { | |
6a3cebb6 OZ |
557 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
558 | atp_writeb_pci(dev, c, 2, 0x06); | |
559 | atp_writeb_pci(dev, c, 2, 0x00); | |
560 | atp_writeb_io(dev, c, 0x10, 0x41); | |
b922a449 | 561 | if (is885(dev)) { |
1da177e4 | 562 | k = dev->id[c][target_id].last_len; |
bcd5c59f HR |
563 | atp_writeb_io(dev, c, 0x12, |
564 | ((unsigned char *) (&k))[2]); | |
565 | atp_writeb_io(dev, c, 0x13, | |
566 | ((unsigned char *) (&k))[1]); | |
567 | atp_writeb_io(dev, c, 0x14, | |
568 | ((unsigned char *) (&k))[0]); | |
1da177e4 | 569 | dev->id[c][target_id].dirct = 0x00; |
1da177e4 LT |
570 | } else { |
571 | dev->id[c][target_id].dirct = 0x00; | |
1da177e4 | 572 | } |
6a3cebb6 OZ |
573 | atp_writeb_io(dev, c, 0x18, 0x08); |
574 | atp_writeb_pci(dev, c, 0, 0x09); | |
1da177e4 | 575 | dev->in_int[c] = 0; |
78614ecd | 576 | return IRQ_HANDLED; |
1da177e4 LT |
577 | } |
578 | if (i == 0x08) { | |
6a3cebb6 OZ |
579 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
580 | atp_writeb_pci(dev, c, 2, 0x06); | |
581 | atp_writeb_pci(dev, c, 2, 0x00); | |
582 | atp_writeb_io(dev, c, 0x10, 0x41); | |
b922a449 | 583 | if (is885(dev)) { |
1da177e4 | 584 | k = dev->id[c][target_id].last_len; |
bcd5c59f HR |
585 | atp_writeb_io(dev, c, 0x12, |
586 | ((unsigned char *) (&k))[2]); | |
587 | atp_writeb_io(dev, c, 0x13, | |
588 | ((unsigned char *) (&k))[1]); | |
589 | atp_writeb_io(dev, c, 0x14, | |
590 | ((unsigned char *) (&k))[0]); | |
1da177e4 | 591 | } |
bcd5c59f HR |
592 | atp_writeb_io(dev, c, 0x15, |
593 | atp_readb_io(dev, c, 0x15) | 0x20); | |
1da177e4 | 594 | dev->id[c][target_id].dirct = 0x20; |
6a3cebb6 OZ |
595 | atp_writeb_io(dev, c, 0x18, 0x08); |
596 | atp_writeb_pci(dev, c, 0, 0x01); | |
1da177e4 | 597 | dev->in_int[c] = 0; |
78614ecd | 598 | return IRQ_HANDLED; |
1da177e4 | 599 | } |
6a3cebb6 OZ |
600 | if (i == 0x0a) |
601 | atp_writeb_io(dev, c, 0x10, 0x30); | |
602 | else | |
603 | atp_writeb_io(dev, c, 0x10, 0x46); | |
1da177e4 | 604 | dev->id[c][target_id].dirct = 0x00; |
6a3cebb6 OZ |
605 | atp_writeb_io(dev, c, 0x12, 0x00); |
606 | atp_writeb_io(dev, c, 0x13, 0x00); | |
607 | atp_writeb_io(dev, c, 0x14, 0x00); | |
608 | atp_writeb_io(dev, c, 0x18, 0x08); | |
1da177e4 | 609 | } |
78614ecd OZ |
610 | dev->in_int[c] = 0; |
611 | ||
1da177e4 LT |
612 | return IRQ_HANDLED; |
613 | } | |
614 | /** | |
6b71f60c | 615 | * atp870u_queuecommand_lck - Queue SCSI command |
1da177e4 | 616 | * @req_p: request block |
1da177e4 LT |
617 | * |
618 | * Queue a command to the ATP queue. Called with the host lock held. | |
619 | */ | |
af049dfd | 620 | static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p) |
1da177e4 | 621 | { |
af049dfd | 622 | void (*done)(struct scsi_cmnd *) = scsi_done; |
1da177e4 | 623 | unsigned char c; |
3b836464 | 624 | unsigned int m; |
1da177e4 LT |
625 | struct atp_unit *dev; |
626 | struct Scsi_Host *host; | |
627 | ||
422c0d61 | 628 | c = scmd_channel(req_p); |
1da177e4 | 629 | req_p->sense_buffer[0]=0; |
fe7ed98f | 630 | scsi_set_resid(req_p, 0); |
422c0d61 | 631 | if (scmd_channel(req_p) > 1) { |
f3272258 | 632 | req_p->result = DID_BAD_TARGET << 16; |
1da177e4 | 633 | done(req_p); |
bcd5c59f HR |
634 | #ifdef ED_DBGP |
635 | printk("atp870u_queuecommand : req_p->device->channel > 1\n"); | |
636 | #endif | |
1da177e4 LT |
637 | return 0; |
638 | } | |
639 | ||
640 | host = req_p->device->host; | |
641 | dev = (struct atp_unit *)&host->hostdata; | |
1da177e4 | 642 | |
1da177e4 | 643 | m = 1; |
422c0d61 | 644 | m = m << scmd_id(req_p); |
1da177e4 LT |
645 | |
646 | /* | |
647 | * Fake a timeout for missing targets | |
648 | */ | |
649 | ||
650 | if ((m & dev->active_id[c]) == 0) { | |
f3272258 | 651 | req_p->result = DID_BAD_TARGET << 16; |
1da177e4 LT |
652 | done(req_p); |
653 | return 0; | |
654 | } | |
655 | ||
1da177e4 LT |
656 | /* |
657 | * Count new command | |
658 | */ | |
659 | dev->quend[c]++; | |
660 | if (dev->quend[c] >= qcnt) { | |
661 | dev->quend[c] = 0; | |
662 | } | |
bcd5c59f | 663 | |
1da177e4 LT |
664 | /* |
665 | * Check queue state | |
666 | */ | |
667 | if (dev->quhd[c] == dev->quend[c]) { | |
668 | if (dev->quend[c] == 0) { | |
669 | dev->quend[c] = qcnt; | |
670 | } | |
bcd5c59f | 671 | #ifdef ED_DBGP |
1da177e4 | 672 | printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n"); |
bcd5c59f | 673 | #endif |
1da177e4 | 674 | dev->quend[c]--; |
f3272258 | 675 | req_p->result = DID_BUS_BUSY << 16; |
bcd5c59f | 676 | done(req_p); |
1da177e4 LT |
677 | return 0; |
678 | } | |
679 | dev->quereq[c][dev->quend[c]] = req_p; | |
bcd5c59f HR |
680 | #ifdef ED_DBGP |
681 | printk("dev->ioport[c] = %x atp_readb_io(dev, c, 0x1c) = %x " | |
682 | "dev->in_int[%d] = %d dev->in_snd[%d] = %d\n", | |
683 | dev->ioport[c], atp_readb_io(dev, c, 0x1c), c, | |
684 | dev->in_int[c],c,dev->in_snd[c]); | |
1da177e4 | 685 | #endif |
bcd5c59f HR |
686 | if ((atp_readb_io(dev, c, 0x1c) == 0) && |
687 | (dev->in_int[c] == 0) && | |
688 | (dev->in_snd[c] == 0)) { | |
1da177e4 LT |
689 | #ifdef ED_DBGP |
690 | printk("Call sent_s870(atp870u_queuecommand)\n"); | |
bcd5c59f | 691 | #endif |
1da177e4 LT |
692 | send_s870(dev,c); |
693 | } | |
bcd5c59f | 694 | #ifdef ED_DBGP |
1da177e4 | 695 | printk("atp870u_queuecommand : exit\n"); |
bcd5c59f | 696 | #endif |
1da177e4 LT |
697 | return 0; |
698 | } | |
699 | ||
f281233d JG |
700 | static DEF_SCSI_QCMD(atp870u_queuecommand) |
701 | ||
6b71f60c | 702 | /* |
1da177e4 | 703 | * send_s870 - send a command to the controller |
1da177e4 LT |
704 | * |
705 | * On entry there is work queued to be done. We move some of that work to the | |
bcd5c59f | 706 | * controller itself. |
1da177e4 LT |
707 | * |
708 | * Caller holds the host lock. | |
709 | */ | |
6b71f60c | 710 | static void send_s870(struct atp_unit *dev, unsigned char c) |
1da177e4 | 711 | { |
468b8968 | 712 | struct scsi_cmnd *workreq = NULL; |
1da177e4 LT |
713 | unsigned int i;//,k; |
714 | unsigned char j, target_id; | |
715 | unsigned char *prd; | |
c2bab403 | 716 | unsigned short int w; |
1da177e4 | 717 | unsigned long l, bttl = 0; |
1da177e4 LT |
718 | unsigned long sg_count; |
719 | ||
720 | if (dev->in_snd[c] != 0) { | |
bcd5c59f | 721 | #ifdef ED_DBGP |
1da177e4 LT |
722 | printk("cmnd in_snd\n"); |
723 | #endif | |
724 | return; | |
725 | } | |
726 | #ifdef ED_DBGP | |
727 | printk("Sent_s870 enter\n"); | |
728 | #endif | |
729 | dev->in_snd[c] = 1; | |
730 | if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) { | |
731 | dev->last_cmd[c] &= 0x0f; | |
732 | workreq = dev->id[c][dev->last_cmd[c]].curr_req; | |
468b8968 OZ |
733 | if (!workreq) { |
734 | dev->last_cmd[c] = 0xff; | |
735 | if (dev->quhd[c] == dev->quend[c]) { | |
736 | dev->in_snd[c] = 0; | |
737 | return; | |
738 | } | |
1da177e4 LT |
739 | } |
740 | } | |
468b8968 OZ |
741 | if (!workreq) { |
742 | if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) { | |
743 | dev->in_snd[c] = 0; | |
744 | return; | |
745 | } | |
746 | dev->working[c]++; | |
747 | j = dev->quhd[c]; | |
748 | dev->quhd[c]++; | |
749 | if (dev->quhd[c] >= qcnt) | |
750 | dev->quhd[c] = 0; | |
751 | workreq = dev->quereq[c][dev->quhd[c]]; | |
752 | if (dev->id[c][scmd_id(workreq)].curr_req != NULL) { | |
753 | dev->quhd[c] = j; | |
754 | dev->working[c]--; | |
755 | dev->in_snd[c] = 0; | |
756 | return; | |
757 | } | |
422c0d61 JG |
758 | dev->id[c][scmd_id(workreq)].curr_req = workreq; |
759 | dev->last_cmd[c] = scmd_id(workreq); | |
1da177e4 | 760 | } |
bcd5c59f HR |
761 | if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 || |
762 | atp_readb_io(dev, c, 0x1c) != 0) { | |
1da177e4 | 763 | #ifdef ED_DBGP |
468b8968 | 764 | printk("Abort to Send\n"); |
1da177e4 | 765 | #endif |
468b8968 OZ |
766 | dev->last_cmd[c] |= 0x40; |
767 | dev->in_snd[c] = 0; | |
768 | return; | |
769 | } | |
1da177e4 LT |
770 | #ifdef ED_DBGP |
771 | printk("OK to Send\n"); | |
422c0d61 | 772 | scmd_printk(KERN_DEBUG, workreq, "CDB"); |
1da177e4 LT |
773 | for(i=0;i<workreq->cmd_len;i++) { |
774 | printk(" %x",workreq->cmnd[i]); | |
775 | } | |
422c0d61 | 776 | printk("\n"); |
bcd5c59f | 777 | #endif |
fe7ed98f BH |
778 | l = scsi_bufflen(workreq); |
779 | ||
b922a449 | 780 | if (is885(dev)) { |
6a3cebb6 OZ |
781 | j = atp_readb_base(dev, 0x29) & 0xfe; |
782 | atp_writeb_base(dev, 0x29, j); | |
422c0d61 | 783 | dev->r1f[c][scmd_id(workreq)] = 0; |
1da177e4 | 784 | } |
bcd5c59f | 785 | |
1da177e4 | 786 | if (workreq->cmnd[0] == READ_CAPACITY) { |
fe7ed98f BH |
787 | if (l > 8) |
788 | l = 8; | |
1da177e4 | 789 | } |
f3272258 | 790 | if (workreq->cmnd[0] == TEST_UNIT_READY) { |
fe7ed98f | 791 | l = 0; |
1da177e4 LT |
792 | } |
793 | ||
1da177e4 | 794 | j = 0; |
422c0d61 | 795 | target_id = scmd_id(workreq); |
1da177e4 LT |
796 | |
797 | /* | |
798 | * Wide ? | |
799 | */ | |
800 | w = 1; | |
801 | w = w << target_id; | |
802 | if ((w & dev->wide_id[c]) != 0) { | |
803 | j |= 0x01; | |
804 | } | |
6a3cebb6 OZ |
805 | atp_writeb_io(dev, c, 0x1b, j); |
806 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) { | |
807 | atp_writeb_pci(dev, c, 0x1b, j); | |
1da177e4 LT |
808 | #ifdef ED_DBGP |
809 | printk("send_s870 while loop 1\n"); | |
810 | #endif | |
811 | } | |
812 | /* | |
813 | * Write the command | |
814 | */ | |
815 | ||
6a3cebb6 OZ |
816 | atp_writeb_io(dev, c, 0x00, workreq->cmd_len); |
817 | atp_writeb_io(dev, c, 0x01, 0x2c); | |
b922a449 | 818 | if (is885(dev)) |
6a3cebb6 OZ |
819 | atp_writeb_io(dev, c, 0x02, 0x7f); |
820 | else | |
821 | atp_writeb_io(dev, c, 0x02, 0xcf); | |
822 | for (i = 0; i < workreq->cmd_len; i++) | |
823 | atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]); | |
824 | atp_writeb_io(dev, c, 0x0f, workreq->device->lun); | |
1da177e4 LT |
825 | /* |
826 | * Write the target | |
827 | */ | |
6a3cebb6 | 828 | atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); |
bcd5c59f HR |
829 | #ifdef ED_DBGP |
830 | printk("dev->id[%d][%d].devsp = %2x\n",c,target_id, | |
831 | dev->id[c][target_id].devsp); | |
1da177e4 | 832 | #endif |
fe7ed98f BH |
833 | |
834 | sg_count = scsi_dma_map(workreq); | |
1da177e4 LT |
835 | /* |
836 | * Write transfer size | |
837 | */ | |
6a3cebb6 OZ |
838 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]); |
839 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]); | |
840 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]); | |
bcd5c59f | 841 | j = target_id; |
1da177e4 LT |
842 | dev->id[c][j].last_len = l; |
843 | dev->id[c][j].tran_len = 0; | |
bcd5c59f | 844 | #ifdef ED_DBGP |
1da177e4 | 845 | printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len); |
bcd5c59f | 846 | #endif |
1da177e4 LT |
847 | /* |
848 | * Flip the wide bits | |
849 | */ | |
850 | if ((j & 0x08) != 0) { | |
851 | j = (j & 0x07) | 0x40; | |
852 | } | |
853 | /* | |
854 | * Check transfer direction | |
855 | */ | |
6a3cebb6 OZ |
856 | if (workreq->sc_data_direction == DMA_TO_DEVICE) |
857 | atp_writeb_io(dev, c, 0x15, j | 0x20); | |
858 | else | |
859 | atp_writeb_io(dev, c, 0x15, j); | |
860 | atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80); | |
861 | atp_writeb_io(dev, c, 0x16, 0x80); | |
1da177e4 LT |
862 | dev->id[c][target_id].dirct = 0; |
863 | if (l == 0) { | |
6a3cebb6 | 864 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
1da177e4 | 865 | #ifdef ED_DBGP |
bcd5c59f HR |
866 | printk("change SCSI_CMD_REG 0x08\n"); |
867 | #endif | |
6a3cebb6 OZ |
868 | atp_writeb_io(dev, c, 0x18, 0x08); |
869 | } else | |
1da177e4 | 870 | dev->last_cmd[c] |= 0x40; |
1da177e4 LT |
871 | dev->in_snd[c] = 0; |
872 | return; | |
873 | } | |
1da177e4 LT |
874 | prd = dev->id[c][target_id].prd_table; |
875 | dev->id[c][target_id].prd_pos = prd; | |
876 | ||
877 | /* | |
878 | * Now write the request list. Either as scatter/gather or as | |
879 | * a linear chain. | |
880 | */ | |
881 | ||
fe7ed98f BH |
882 | if (l) { |
883 | struct scatterlist *sgpnt; | |
1da177e4 | 884 | i = 0; |
fe7ed98f BH |
885 | scsi_for_each_sg(workreq, sgpnt, sg_count, j) { |
886 | bttl = sg_dma_address(sgpnt); | |
887 | l=sg_dma_len(sgpnt); | |
bcd5c59f | 888 | #ifdef ED_DBGP |
fe7ed98f | 889 | printk("1. bttl %x, l %x\n",bttl, l); |
bcd5c59f | 890 | #endif |
fe7ed98f | 891 | while (l > 0x10000) { |
1da177e4 LT |
892 | (((u16 *) (prd))[i + 3]) = 0x0000; |
893 | (((u16 *) (prd))[i + 2]) = 0x0000; | |
894 | (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); | |
895 | l -= 0x10000; | |
896 | bttl += 0x10000; | |
897 | i += 0x04; | |
898 | } | |
899 | (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); | |
900 | (((u16 *) (prd))[i + 2]) = cpu_to_le16(l); | |
901 | (((u16 *) (prd))[i + 3]) = 0; | |
bcd5c59f | 902 | i += 0x04; |
1da177e4 | 903 | } |
bcd5c59f HR |
904 | (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000); |
905 | #ifdef ED_DBGP | |
906 | printk("prd %4x %4x %4x %4x\n", | |
907 | (((unsigned short int *)prd)[0]), | |
908 | (((unsigned short int *)prd)[1]), | |
909 | (((unsigned short int *)prd)[2]), | |
910 | (((unsigned short int *)prd)[3])); | |
1da177e4 | 911 | printk("2. bttl %x, l %x\n",bttl, l); |
bcd5c59f | 912 | #endif |
1da177e4 | 913 | } |
bcd5c59f HR |
914 | #ifdef ED_DBGP |
915 | printk("send_s870: prdaddr_2 0x%8x target_id %d\n", | |
916 | dev->id[c][target_id].prdaddr,target_id); | |
917 | #endif | |
b5683557 | 918 | dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus; |
6a3cebb6 OZ |
919 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
920 | atp_writeb_pci(dev, c, 2, 0x06); | |
921 | atp_writeb_pci(dev, c, 2, 0x00); | |
b922a449 | 922 | if (is885(dev)) { |
6a3cebb6 | 923 | j = atp_readb_pci(dev, c, 1) & 0xf3; |
f3272258 HR |
924 | if ((workreq->cmnd[0] == READ_6) || |
925 | (workreq->cmnd[0] == READ_10) || | |
926 | (workreq->cmnd[0] == WRITE_6) || | |
927 | (workreq->cmnd[0] == WRITE_10)) { | |
bcd5c59f | 928 | j |= 0x0c; |
1da177e4 | 929 | } |
6a3cebb6 | 930 | atp_writeb_pci(dev, c, 1, j); |
b922a449 | 931 | } else if (is880(dev)) { |
f3272258 HR |
932 | if ((workreq->cmnd[0] == READ_6) || |
933 | (workreq->cmnd[0] == READ_10) || | |
934 | (workreq->cmnd[0] == WRITE_6) || | |
935 | (workreq->cmnd[0] == WRITE_10)) | |
bcd5c59f HR |
936 | atp_writeb_base(dev, 0x3b, |
937 | (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); | |
6a3cebb6 | 938 | else |
bcd5c59f HR |
939 | atp_writeb_base(dev, 0x3b, |
940 | atp_readb_base(dev, 0x3b) & 0x3f); | |
941 | } else { | |
f3272258 HR |
942 | if ((workreq->cmnd[0] == READ_6) || |
943 | (workreq->cmnd[0] == READ_10) || | |
944 | (workreq->cmnd[0] == WRITE_6) || | |
945 | (workreq->cmnd[0] == WRITE_10)) | |
bcd5c59f HR |
946 | atp_writeb_base(dev, 0x3a, |
947 | (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); | |
6a3cebb6 | 948 | else |
bcd5c59f HR |
949 | atp_writeb_base(dev, 0x3a, |
950 | atp_readb_base(dev, 0x3a) & 0xf3); | |
951 | } | |
1da177e4 LT |
952 | |
953 | if(workreq->sc_data_direction == DMA_TO_DEVICE) { | |
954 | dev->id[c][target_id].dirct = 0x20; | |
6a3cebb6 OZ |
955 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
956 | atp_writeb_io(dev, c, 0x18, 0x08); | |
957 | atp_writeb_pci(dev, c, 0, 0x01); | |
bcd5c59f | 958 | #ifdef ED_DBGP |
1da177e4 | 959 | printk( "start DMA(to target)\n"); |
bcd5c59f | 960 | #endif |
1da177e4 LT |
961 | } else { |
962 | dev->last_cmd[c] |= 0x40; | |
963 | } | |
964 | dev->in_snd[c] = 0; | |
965 | return; | |
966 | } | |
6a3cebb6 OZ |
967 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
968 | atp_writeb_io(dev, c, 0x18, 0x08); | |
969 | atp_writeb_pci(dev, c, 0, 0x09); | |
bcd5c59f | 970 | #ifdef ED_DBGP |
1da177e4 | 971 | printk( "start DMA(to host)\n"); |
bcd5c59f | 972 | #endif |
1da177e4 LT |
973 | } else { |
974 | dev->last_cmd[c] |= 0x40; | |
975 | } | |
976 | dev->in_snd[c] = 0; | |
977 | return; | |
978 | ||
979 | } | |
980 | ||
981 | static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val) | |
982 | { | |
1da177e4 LT |
983 | unsigned short int i, k; |
984 | unsigned char j; | |
985 | ||
6a3cebb6 | 986 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 987 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
6a3cebb6 | 988 | k = atp_readw_io(dev, 0, 0x1c); |
1da177e4 | 989 | j = (unsigned char) (k >> 8); |
832e9ac6 OZ |
990 | if ((k & 0x8000) != 0) /* DB7 all release? */ |
991 | i = 0; | |
1da177e4 LT |
992 | } |
993 | *val |= 0x4000; /* assert DB6 */ | |
6a3cebb6 | 994 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 995 | *val &= 0xdfff; /* assert DB5 */ |
6a3cebb6 | 996 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 997 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
6a3cebb6 | 998 | if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */ |
832e9ac6 | 999 | i = 0; |
1da177e4 LT |
1000 | } |
1001 | *val |= 0x8000; /* no DB4-0, assert DB7 */ | |
1002 | *val &= 0xe0ff; | |
6a3cebb6 | 1003 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 1004 | *val &= 0xbfff; /* release DB6 */ |
6a3cebb6 | 1005 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 1006 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
6a3cebb6 | 1007 | if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */ |
832e9ac6 | 1008 | i = 0; |
1da177e4 LT |
1009 | } |
1010 | ||
1011 | return j; | |
1012 | } | |
1013 | ||
8177c507 | 1014 | static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on) |
1da177e4 LT |
1015 | { |
1016 | ||
1da177e4 LT |
1017 | unsigned char i, j, k; |
1018 | unsigned long n; | |
1019 | unsigned short int m, assignid_map, val; | |
1020 | unsigned char mbuf[33], quintet[2]; | |
1021 | struct atp_unit *dev = (struct atp_unit *)&host->hostdata; | |
1022 | static unsigned char g2q_tab[8] = { | |
1023 | 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27 | |
1024 | }; | |
1025 | ||
1026 | /* I can't believe we need this before we've even done anything. Remove it | |
1027 | * and see if anyone bitches. | |
1028 | for (i = 0; i < 0x10; i++) { | |
1029 | udelay(0xffff); | |
1030 | } | |
1031 | */ | |
1032 | ||
6a3cebb6 OZ |
1033 | atp_writeb_io(dev, 0, 1, 0x08); |
1034 | atp_writeb_io(dev, 0, 2, 0x7f); | |
1035 | atp_writeb_io(dev, 0, 0x11, 0x20); | |
1da177e4 | 1036 | |
8177c507 | 1037 | if ((scam_on & 0x40) == 0) { |
1da177e4 LT |
1038 | return; |
1039 | } | |
1040 | m = 1; | |
1041 | m <<= dev->host_id[0]; | |
1042 | j = 16; | |
dd5a5f79 | 1043 | if (!wide_chip) { |
1da177e4 LT |
1044 | m |= 0xff00; |
1045 | j = 8; | |
1046 | } | |
1047 | assignid_map = m; | |
6a3cebb6 OZ |
1048 | atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */ |
1049 | atp_writeb_io(dev, 0, 0x03, 0); | |
1050 | atp_writeb_io(dev, 0, 0x04, 0); | |
1051 | atp_writeb_io(dev, 0, 0x05, 0); | |
1052 | atp_writeb_io(dev, 0, 0x06, 0); | |
1053 | atp_writeb_io(dev, 0, 0x07, 0); | |
1054 | atp_writeb_io(dev, 0, 0x08, 0); | |
1da177e4 LT |
1055 | |
1056 | for (i = 0; i < j; i++) { | |
1057 | m = 1; | |
1058 | m = m << i; | |
1059 | if ((m & assignid_map) != 0) { | |
1060 | continue; | |
1061 | } | |
6a3cebb6 OZ |
1062 | atp_writeb_io(dev, 0, 0x0f, 0); |
1063 | atp_writeb_io(dev, 0, 0x12, 0); | |
1064 | atp_writeb_io(dev, 0, 0x13, 0); | |
1065 | atp_writeb_io(dev, 0, 0x14, 0); | |
1da177e4 LT |
1066 | if (i > 7) { |
1067 | k = (i & 0x07) | 0x40; | |
1068 | } else { | |
1069 | k = i; | |
1070 | } | |
6a3cebb6 | 1071 | atp_writeb_io(dev, 0, 0x15, k); |
dd5a5f79 | 1072 | if (wide_chip) |
6a3cebb6 OZ |
1073 | atp_writeb_io(dev, 0, 0x1b, 0x01); |
1074 | else | |
1075 | atp_writeb_io(dev, 0, 0x1b, 0x00); | |
58c4d046 | 1076 | do { |
6a3cebb6 | 1077 | atp_writeb_io(dev, 0, 0x18, 0x09); |
1da177e4 | 1078 | |
6a3cebb6 | 1079 | while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00) |
58c4d046 | 1080 | cpu_relax(); |
6a3cebb6 | 1081 | k = atp_readb_io(dev, 0, 0x17); |
58c4d046 OZ |
1082 | if ((k == 0x85) || (k == 0x42)) |
1083 | break; | |
1084 | if (k != 0x16) | |
6a3cebb6 | 1085 | atp_writeb_io(dev, 0, 0x10, 0x41); |
58c4d046 OZ |
1086 | } while (k != 0x16); |
1087 | if ((k == 0x85) || (k == 0x42)) | |
1088 | continue; | |
1da177e4 LT |
1089 | assignid_map |= m; |
1090 | ||
1091 | } | |
6a3cebb6 OZ |
1092 | atp_writeb_io(dev, 0, 0x02, 0x7f); |
1093 | atp_writeb_io(dev, 0, 0x1b, 0x02); | |
1da177e4 | 1094 | |
2bbbac45 | 1095 | udelay(2); |
1da177e4 LT |
1096 | |
1097 | val = 0x0080; /* bsy */ | |
6a3cebb6 | 1098 | atp_writew_io(dev, 0, 0x1c, val); |
1da177e4 | 1099 | val |= 0x0040; /* sel */ |
6a3cebb6 | 1100 | atp_writew_io(dev, 0, 0x1c, val); |
1da177e4 | 1101 | val |= 0x0004; /* msg */ |
6a3cebb6 | 1102 | atp_writew_io(dev, 0, 0x1c, val); |
2bbbac45 | 1103 | udelay(2); /* 2 deskew delay(45ns*2=90ns) */ |
1da177e4 | 1104 | val &= 0x007f; /* no bsy */ |
6a3cebb6 | 1105 | atp_writew_io(dev, 0, 0x1c, val); |
dcaa0c12 | 1106 | msleep(128); |
1da177e4 | 1107 | val &= 0x00fb; /* after 1ms no msg */ |
6a3cebb6 OZ |
1108 | atp_writew_io(dev, 0, 0x1c, val); |
1109 | while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0) | |
58c4d046 | 1110 | ; |
2bbbac45 | 1111 | udelay(2); |
1da177e4 | 1112 | udelay(100); |
c7fcc089 | 1113 | for (n = 0; n < 0x30000; n++) |
6a3cebb6 | 1114 | if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */ |
c7fcc089 OZ |
1115 | break; |
1116 | if (n < 0x30000) | |
1117 | for (n = 0; n < 0x30000; n++) | |
6a3cebb6 | 1118 | if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) { |
2bbbac45 | 1119 | udelay(2); |
c7fcc089 | 1120 | val |= 0x8003; /* io,cd,db7 */ |
6a3cebb6 | 1121 | atp_writew_io(dev, 0, 0x1c, val); |
2bbbac45 | 1122 | udelay(2); |
c7fcc089 | 1123 | val &= 0x00bf; /* no sel */ |
6a3cebb6 | 1124 | atp_writew_io(dev, 0, 0x1c, val); |
2bbbac45 | 1125 | udelay(2); |
c7fcc089 OZ |
1126 | break; |
1127 | } | |
1128 | while (1) { | |
0f6d93aa MM |
1129 | /* |
1130 | * The funny division into multiple delays is to accomodate | |
1131 | * arches like ARM where udelay() multiplies its argument by | |
1132 | * a large number to initialize a loop counter. To avoid | |
1133 | * overflow, the maximum supported udelay is 2000 microseconds. | |
1134 | * | |
1135 | * XXX it would be more polite to find a way to use msleep() | |
1136 | */ | |
1137 | mdelay(2); | |
1138 | udelay(48); | |
6a3cebb6 OZ |
1139 | if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */ |
1140 | atp_writew_io(dev, 0, 0x1c, 0); | |
1141 | atp_writeb_io(dev, 0, 0x1b, 0); | |
1142 | atp_writeb_io(dev, 0, 0x15, 0); | |
1143 | atp_writeb_io(dev, 0, 0x18, 0x09); | |
1144 | while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0) | |
1da177e4 | 1145 | cpu_relax(); |
6a3cebb6 | 1146 | atp_readb_io(dev, 0, 0x17); |
1da177e4 LT |
1147 | return; |
1148 | } | |
1149 | val &= 0x00ff; /* synchronization */ | |
1150 | val |= 0x3f00; | |
1151 | fun_scam(dev, &val); | |
2bbbac45 | 1152 | udelay(2); |
1da177e4 LT |
1153 | val &= 0x00ff; /* isolation */ |
1154 | val |= 0x2000; | |
1155 | fun_scam(dev, &val); | |
2bbbac45 | 1156 | udelay(2); |
1da177e4 LT |
1157 | i = 8; |
1158 | j = 0; | |
c7fcc089 OZ |
1159 | |
1160 | while (1) { | |
6a3cebb6 | 1161 | if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0) |
c7fcc089 | 1162 | continue; |
2bbbac45 | 1163 | udelay(2); |
c7fcc089 OZ |
1164 | val &= 0x00ff; /* get ID_STRING */ |
1165 | val |= 0x2000; | |
1166 | k = fun_scam(dev, &val); | |
1167 | if ((k & 0x03) == 0) | |
1168 | break; | |
1169 | mbuf[j] <<= 0x01; | |
1170 | mbuf[j] &= 0xfe; | |
1171 | if ((k & 0x02) != 0) | |
1172 | mbuf[j] |= 0x01; | |
1173 | i--; | |
1174 | if (i > 0) | |
1175 | continue; | |
1176 | j++; | |
1177 | i = 8; | |
1da177e4 | 1178 | } |
1da177e4 | 1179 | |
c7fcc089 | 1180 | /* isolation complete.. */ |
1da177e4 LT |
1181 | /* mbuf[32]=0; |
1182 | printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */ | |
1183 | i = 15; | |
1184 | j = mbuf[0]; | |
25985edc | 1185 | if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */ |
1da177e4 LT |
1186 | i = 7; |
1187 | } | |
c7fcc089 OZ |
1188 | if ((j & 0x06) != 0) { /* IDvalid? */ |
1189 | k = mbuf[1]; | |
1190 | while (1) { | |
1191 | m = 1; | |
1192 | m <<= k; | |
1193 | if ((m & assignid_map) == 0) | |
1194 | break; | |
1195 | if (k > 0) | |
1196 | k--; | |
1197 | else | |
1198 | break; | |
1199 | } | |
1da177e4 | 1200 | } |
c7fcc089 OZ |
1201 | if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */ |
1202 | k = i; /* max acceptable ID# */ | |
1203 | while (1) { | |
1204 | m = 1; | |
1205 | m <<= k; | |
1206 | if ((m & assignid_map) == 0) | |
1207 | break; | |
1208 | if (k > 0) | |
1209 | k--; | |
1210 | else | |
1211 | break; | |
1212 | } | |
1da177e4 | 1213 | } |
c7fcc089 | 1214 | /* k=binID#, */ |
1da177e4 LT |
1215 | assignid_map |= m; |
1216 | if (k < 8) { | |
1217 | quintet[0] = 0x38; /* 1st dft ID<8 */ | |
1218 | } else { | |
1219 | quintet[0] = 0x31; /* 1st ID>=8 */ | |
1220 | } | |
1221 | k &= 0x07; | |
1222 | quintet[1] = g2q_tab[k]; | |
1223 | ||
1224 | val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */ | |
1225 | m = quintet[0] << 8; | |
1226 | val |= m; | |
1227 | fun_scam(dev, &val); | |
1228 | val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */ | |
1229 | m = quintet[1] << 8; | |
1230 | val |= m; | |
1231 | fun_scam(dev, &val); | |
1232 | ||
c7fcc089 | 1233 | } |
1da177e4 LT |
1234 | } |
1235 | ||
1da177e4 LT |
1236 | static void atp870u_free_tables(struct Scsi_Host *host) |
1237 | { | |
1238 | struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; | |
1239 | int j, k; | |
1240 | for (j=0; j < 2; j++) { | |
1241 | for (k = 0; k < 16; k++) { | |
1242 | if (!atp_dev->id[j][k].prd_table) | |
1243 | continue; | |
bcd5c59f HR |
1244 | dma_free_coherent(&atp_dev->pdev->dev, 1024, |
1245 | atp_dev->id[j][k].prd_table, | |
1246 | atp_dev->id[j][k].prd_bus); | |
1da177e4 LT |
1247 | atp_dev->id[j][k].prd_table = NULL; |
1248 | } | |
1249 | } | |
1250 | } | |
1251 | ||
1252 | static int atp870u_init_tables(struct Scsi_Host *host) | |
1253 | { | |
1254 | struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; | |
1255 | int c,k; | |
1256 | for(c=0;c < 2;c++) { | |
bcd5c59f HR |
1257 | for(k=0;k<16;k++) { |
1258 | atp_dev->id[c][k].prd_table = | |
1259 | dma_alloc_coherent(&atp_dev->pdev->dev, 1024, | |
1260 | &(atp_dev->id[c][k].prd_bus), | |
1261 | GFP_KERNEL); | |
1262 | if (!atp_dev->id[c][k].prd_table) { | |
1263 | printk("atp870u_init_tables fail\n"); | |
1da177e4 LT |
1264 | atp870u_free_tables(host); |
1265 | return -ENOMEM; | |
1266 | } | |
b5683557 | 1267 | atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus; |
1da177e4 LT |
1268 | atp_dev->id[c][k].devsp=0x20; |
1269 | atp_dev->id[c][k].devtype = 0x7f; | |
bcd5c59f HR |
1270 | atp_dev->id[c][k].curr_req = NULL; |
1271 | } | |
1272 | ||
1273 | atp_dev->active_id[c] = 0; | |
1274 | atp_dev->wide_id[c] = 0; | |
1275 | atp_dev->host_id[c] = 0x07; | |
1276 | atp_dev->quhd[c] = 0; | |
1277 | atp_dev->quend[c] = 0; | |
1278 | atp_dev->last_cmd[c] = 0xff; | |
1279 | atp_dev->in_snd[c] = 0; | |
1280 | atp_dev->in_int[c] = 0; | |
1281 | ||
1282 | for (k = 0; k < qcnt; k++) { | |
1283 | atp_dev->quereq[c][k] = NULL; | |
1284 | } | |
1285 | for (k = 0; k < 16; k++) { | |
1da177e4 LT |
1286 | atp_dev->id[c][k].curr_req = NULL; |
1287 | atp_dev->sp[c][k] = 0x04; | |
bcd5c59f | 1288 | } |
1da177e4 LT |
1289 | } |
1290 | return 0; | |
1291 | } | |
1292 | ||
6a1961bc OZ |
1293 | static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) |
1294 | { | |
1295 | atp_writeb_io(atp, c, 0, host_id | 0x08); | |
1296 | atp_writeb_io(atp, c, 0x18, 0); | |
1297 | while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0) | |
1298 | mdelay(1); | |
1299 | atp_readb_io(atp, c, 0x17); | |
1300 | atp_writeb_io(atp, c, 1, 8); | |
1301 | atp_writeb_io(atp, c, 2, 0x7f); | |
1302 | atp_writeb_io(atp, c, 0x11, 0x20); | |
1303 | } | |
1304 | ||
4190230e OZ |
1305 | static void atp870_init(struct Scsi_Host *shpnt) |
1306 | { | |
1307 | struct atp_unit *atpdev = shost_priv(shpnt); | |
1308 | struct pci_dev *pdev = atpdev->pdev; | |
1309 | unsigned char k, host_id; | |
1310 | u8 scam_on; | |
1311 | bool wide_chip = | |
1312 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 && | |
1313 | pdev->revision == 4) || | |
1314 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) || | |
1315 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW); | |
1316 | ||
1317 | pci_read_config_byte(pdev, 0x49, &host_id); | |
1318 | ||
bcd5c59f HR |
1319 | dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 " |
1320 | "Host Adapter: IO:%lx, IRQ:%d.\n", | |
4190230e OZ |
1321 | shpnt->io_port, shpnt->irq); |
1322 | ||
1323 | atpdev->ioport[0] = shpnt->io_port; | |
1324 | atpdev->pciport[0] = shpnt->io_port + 0x20; | |
1325 | host_id &= 0x07; | |
1326 | atpdev->host_id[0] = host_id; | |
1327 | scam_on = atp_readb_pci(atpdev, 0, 2); | |
1328 | atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); | |
1329 | atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); | |
1330 | ||
1331 | if (atpdev->ultra_map[0] == 0) { | |
1332 | scam_on = 0x00; | |
1333 | atpdev->global_map[0] = 0x20; | |
1334 | atpdev->ultra_map[0] = 0xffff; | |
1335 | } | |
1336 | ||
1337 | if (pdev->revision > 0x07) /* check if atp876 chip */ | |
1338 | atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */ | |
1339 | ||
1340 | k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10; | |
1341 | atp_writeb_base(atpdev, 0x3a, k); | |
1342 | atp_writeb_base(atpdev, 0x3a, k & 0xdf); | |
dcaa0c12 | 1343 | msleep(32); |
4190230e | 1344 | atp_writeb_base(atpdev, 0x3a, k); |
dcaa0c12 | 1345 | msleep(32); |
4190230e OZ |
1346 | atp_set_host_id(atpdev, 0, host_id); |
1347 | ||
1348 | tscam(shpnt, wide_chip, scam_on); | |
1349 | atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); | |
1350 | atp_is(atpdev, 0, wide_chip, 0); | |
1351 | atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); | |
1352 | atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20); | |
1353 | shpnt->max_id = wide_chip ? 16 : 8; | |
1354 | shpnt->this_id = host_id; | |
1355 | } | |
1356 | ||
c7e6a029 OZ |
1357 | static void atp880_init(struct Scsi_Host *shpnt) |
1358 | { | |
1359 | struct atp_unit *atpdev = shost_priv(shpnt); | |
1360 | struct pci_dev *pdev = atpdev->pdev; | |
1361 | unsigned char k, m, host_id; | |
1362 | unsigned int n; | |
1363 | ||
1364 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); | |
1365 | ||
1366 | atpdev->ioport[0] = shpnt->io_port + 0x40; | |
1367 | atpdev->pciport[0] = shpnt->io_port + 0x28; | |
1368 | ||
1369 | host_id = atp_readb_base(atpdev, 0x39) >> 4; | |
1370 | ||
bcd5c59f HR |
1371 | dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD " |
1372 | "Host Adapter: IO:%lx, IRQ:%d.\n", | |
c7e6a029 OZ |
1373 | shpnt->io_port, shpnt->irq); |
1374 | atpdev->host_id[0] = host_id; | |
1375 | ||
1376 | atpdev->global_map[0] = atp_readb_base(atpdev, 0x35); | |
1377 | atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c); | |
1378 | ||
1379 | n = 0x3f09; | |
1380 | while (n < 0x4000) { | |
1381 | m = 0; | |
1382 | atp_writew_base(atpdev, 0x34, n); | |
1383 | n += 0x0002; | |
1384 | if (atp_readb_base(atpdev, 0x30) == 0xff) | |
1385 | break; | |
1386 | ||
1387 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1388 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1389 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1390 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1391 | atp_writew_base(atpdev, 0x34, n); | |
1392 | n += 0x0002; | |
1393 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1394 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1395 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1396 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1397 | atp_writew_base(atpdev, 0x34, n); | |
1398 | n += 0x0002; | |
1399 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1400 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1401 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1402 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1403 | atp_writew_base(atpdev, 0x34, n); | |
1404 | n += 0x0002; | |
1405 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1406 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1407 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1408 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1409 | n += 0x0018; | |
1410 | } | |
1411 | atp_writew_base(atpdev, 0x34, 0); | |
1412 | atpdev->ultra_map[0] = 0; | |
1413 | atpdev->async[0] = 0; | |
1414 | for (k = 0; k < 16; k++) { | |
1415 | n = 1 << k; | |
1416 | if (atpdev->sp[0][k] > 1) | |
1417 | atpdev->ultra_map[0] |= n; | |
1418 | else | |
1419 | if (atpdev->sp[0][k] == 0) | |
1420 | atpdev->async[0] |= n; | |
1421 | } | |
1422 | atpdev->async[0] = ~(atpdev->async[0]); | |
1423 | atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]); | |
1424 | ||
1425 | k = atp_readb_base(atpdev, 0x38) & 0x80; | |
1426 | atp_writeb_base(atpdev, 0x38, k); | |
1427 | atp_writeb_base(atpdev, 0x3b, 0x20); | |
dcaa0c12 | 1428 | msleep(32); |
c7e6a029 | 1429 | atp_writeb_base(atpdev, 0x3b, 0); |
dcaa0c12 | 1430 | msleep(32); |
c7e6a029 OZ |
1431 | atp_readb_io(atpdev, 0, 0x1b); |
1432 | atp_readb_io(atpdev, 0, 0x17); | |
1433 | ||
1434 | atp_set_host_id(atpdev, 0, host_id); | |
1435 | ||
1436 | tscam(shpnt, true, atp_readb_base(atpdev, 0x22)); | |
1437 | atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40); | |
1438 | atp_writeb_base(atpdev, 0x38, 0xb0); | |
1439 | shpnt->max_id = 16; | |
1440 | shpnt->this_id = host_id; | |
1441 | } | |
1442 | ||
ecc6ff95 OZ |
1443 | static void atp885_init(struct Scsi_Host *shpnt) |
1444 | { | |
1445 | struct atp_unit *atpdev = shost_priv(shpnt); | |
1446 | struct pci_dev *pdev = atpdev->pdev; | |
1447 | unsigned char k, m, c; | |
1448 | unsigned int n; | |
1449 | unsigned char setupdata[2][16]; | |
1450 | ||
bcd5c59f HR |
1451 | dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD " |
1452 | "Host Adapter: IO:%lx, IRQ:%d.\n", | |
ecc6ff95 OZ |
1453 | shpnt->io_port, shpnt->irq); |
1454 | ||
1455 | atpdev->ioport[0] = shpnt->io_port + 0x80; | |
1456 | atpdev->ioport[1] = shpnt->io_port + 0xc0; | |
1457 | atpdev->pciport[0] = shpnt->io_port + 0x40; | |
1458 | atpdev->pciport[1] = shpnt->io_port + 0x50; | |
1459 | ||
1460 | c = atp_readb_base(atpdev, 0x29); | |
1461 | atp_writeb_base(atpdev, 0x29, c | 0x04); | |
1462 | ||
1463 | n = 0x1f80; | |
1464 | while (n < 0x2000) { | |
1465 | atp_writew_base(atpdev, 0x3c, n); | |
1466 | if (atp_readl_base(atpdev, 0x38) == 0xffffffff) | |
1467 | break; | |
1468 | for (m = 0; m < 2; m++) { | |
1469 | atpdev->global_map[m] = 0; | |
1470 | for (k = 0; k < 4; k++) { | |
1471 | atp_writew_base(atpdev, 0x3c, n++); | |
bcd5c59f HR |
1472 | ((u32 *)&setupdata[m][0])[k] = |
1473 | atp_readl_base(atpdev, 0x38); | |
ecc6ff95 OZ |
1474 | } |
1475 | for (k = 0; k < 4; k++) { | |
1476 | atp_writew_base(atpdev, 0x3c, n++); | |
bcd5c59f HR |
1477 | ((u32 *)&atpdev->sp[m][0])[k] = |
1478 | atp_readl_base(atpdev, 0x38); | |
ecc6ff95 OZ |
1479 | } |
1480 | n += 8; | |
1481 | } | |
1482 | } | |
1483 | c = atp_readb_base(atpdev, 0x29); | |
1484 | atp_writeb_base(atpdev, 0x29, c & 0xfb); | |
1485 | for (c = 0; c < 2; c++) { | |
1486 | atpdev->ultra_map[c] = 0; | |
1487 | atpdev->async[c] = 0; | |
1488 | for (k = 0; k < 16; k++) { | |
1489 | n = 1 << k; | |
1490 | if (atpdev->sp[c][k] > 1) | |
1491 | atpdev->ultra_map[c] |= n; | |
1492 | else | |
1493 | if (atpdev->sp[c][k] == 0) | |
1494 | atpdev->async[c] |= n; | |
1495 | } | |
1496 | atpdev->async[c] = ~(atpdev->async[c]); | |
1497 | ||
1498 | if (atpdev->global_map[c] == 0) { | |
1499 | k = setupdata[c][1]; | |
1500 | if ((k & 0x40) != 0) | |
1501 | atpdev->global_map[c] |= 0x20; | |
1502 | k &= 0x07; | |
1503 | atpdev->global_map[c] |= k; | |
1504 | if ((setupdata[c][2] & 0x04) != 0) | |
1505 | atpdev->global_map[c] |= 0x08; | |
1506 | atpdev->host_id[c] = setupdata[c][0] & 0x07; | |
1507 | } | |
1508 | } | |
1509 | ||
1510 | k = atp_readb_base(atpdev, 0x28) & 0x8f; | |
1511 | k |= 0x10; | |
1512 | atp_writeb_base(atpdev, 0x28, k); | |
1513 | atp_writeb_pci(atpdev, 0, 1, 0x80); | |
1514 | atp_writeb_pci(atpdev, 1, 1, 0x80); | |
dcaa0c12 | 1515 | msleep(100); |
ecc6ff95 OZ |
1516 | atp_writeb_pci(atpdev, 0, 1, 0); |
1517 | atp_writeb_pci(atpdev, 1, 1, 0); | |
dcaa0c12 | 1518 | msleep(1000); |
ecc6ff95 OZ |
1519 | atp_readb_io(atpdev, 0, 0x1b); |
1520 | atp_readb_io(atpdev, 0, 0x17); | |
1521 | atp_readb_io(atpdev, 1, 0x1b); | |
1522 | atp_readb_io(atpdev, 1, 0x17); | |
1523 | ||
1524 | k = atpdev->host_id[0]; | |
1525 | if (k > 7) | |
1526 | k = (k & 0x07) | 0x40; | |
1527 | atp_set_host_id(atpdev, 0, k); | |
1528 | ||
1529 | k = atpdev->host_id[1]; | |
1530 | if (k > 7) | |
1531 | k = (k & 0x07) | 0x40; | |
1532 | atp_set_host_id(atpdev, 1, k); | |
1533 | ||
dcaa0c12 | 1534 | msleep(600); /* this delay used to be called tscam_885() */ |
ecc6ff95 OZ |
1535 | dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n"); |
1536 | atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7); | |
1537 | atp_writeb_io(atpdev, 0, 0x16, 0x80); | |
1538 | dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n"); | |
1539 | atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7); | |
1540 | atp_writeb_io(atpdev, 1, 0x16, 0x80); | |
1541 | k = atp_readb_base(atpdev, 0x28) & 0xcf; | |
1542 | k |= 0xc0; | |
1543 | atp_writeb_base(atpdev, 0x28, k); | |
1544 | k = atp_readb_base(atpdev, 0x1f) | 0x80; | |
1545 | atp_writeb_base(atpdev, 0x1f, k); | |
1546 | k = atp_readb_base(atpdev, 0x29) | 0x01; | |
1547 | atp_writeb_base(atpdev, 0x29, k); | |
1548 | shpnt->max_id = 16; | |
1549 | shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1; | |
1550 | shpnt->max_channel = 1; | |
1551 | shpnt->this_id = atpdev->host_id[0]; | |
1552 | } | |
1553 | ||
1da177e4 LT |
1554 | /* return non-zero on detection */ |
1555 | static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1556 | { | |
1da177e4 | 1557 | struct Scsi_Host *shpnt = NULL; |
bdd5ac40 | 1558 | struct atp_unit *atpdev; |
bdd5ac40 | 1559 | int err; |
dc6a78f1 | 1560 | |
b1e85063 OZ |
1561 | if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) { |
1562 | dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n"); | |
1563 | return -ENODEV; | |
1564 | } | |
1565 | ||
bdd5ac40 OZ |
1566 | err = pci_enable_device(pdev); |
1567 | if (err) | |
1568 | goto fail; | |
1da177e4 | 1569 | |
48ecddb4 | 1570 | if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { |
bcd5c59f HR |
1571 | printk(KERN_ERR "atp870u: DMA mask required but not available.\n"); |
1572 | err = -EIO; | |
1573 | goto disable_device; | |
1574 | } | |
1da177e4 | 1575 | |
11ec1318 OZ |
1576 | err = pci_request_regions(pdev, "atp870u"); |
1577 | if (err) | |
1578 | goto disable_device; | |
1579 | pci_set_master(pdev); | |
1580 | ||
bcd5c59f | 1581 | err = -ENOMEM; |
bdd5ac40 OZ |
1582 | shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit)); |
1583 | if (!shpnt) | |
11ec1318 | 1584 | goto release_region; |
bdd5ac40 OZ |
1585 | |
1586 | atpdev = shost_priv(shpnt); | |
1587 | ||
1588 | atpdev->host = shpnt; | |
1589 | atpdev->pdev = pdev; | |
1590 | pci_set_drvdata(pdev, atpdev); | |
1591 | ||
6c9b9c55 OZ |
1592 | shpnt->io_port = pci_resource_start(pdev, 0); |
1593 | shpnt->io_port &= 0xfffffff8; | |
1594 | shpnt->n_io_port = pci_resource_len(pdev, 0); | |
1595 | atpdev->baseport = shpnt->io_port; | |
1596 | shpnt->unique_id = shpnt->io_port; | |
1597 | shpnt->irq = pdev->irq; | |
dc6a78f1 | 1598 | |
f5f53a38 OZ |
1599 | err = atp870u_init_tables(shpnt); |
1600 | if (err) { | |
1601 | dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n"); | |
1602 | goto unregister; | |
1603 | } | |
1604 | ||
c7e6a029 OZ |
1605 | if (is880(atpdev)) |
1606 | atp880_init(shpnt); | |
ecc6ff95 OZ |
1607 | else if (is885(atpdev)) |
1608 | atp885_init(shpnt); | |
4190230e OZ |
1609 | else |
1610 | atp870_init(shpnt); | |
1da177e4 | 1611 | |
1729c0d2 OZ |
1612 | err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt); |
1613 | if (err) { | |
1614 | dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq); | |
1615 | goto free_tables; | |
1616 | } | |
1617 | ||
1618 | err = scsi_add_host(shpnt, &pdev->dev); | |
1619 | if (err) | |
1620 | goto scsi_add_fail; | |
1621 | scsi_scan_host(shpnt); | |
1622 | ||
1623 | return 0; | |
1da177e4 LT |
1624 | |
1625 | scsi_add_fail: | |
6c9b9c55 | 1626 | free_irq(shpnt->irq, shpnt); |
1da177e4 | 1627 | free_tables: |
1da177e4 LT |
1628 | atp870u_free_tables(shpnt); |
1629 | unregister: | |
1da177e4 | 1630 | scsi_host_put(shpnt); |
11ec1318 OZ |
1631 | release_region: |
1632 | pci_release_regions(pdev); | |
bdd5ac40 OZ |
1633 | disable_device: |
1634 | pci_disable_device(pdev); | |
1635 | fail: | |
1636 | return err; | |
1da177e4 LT |
1637 | } |
1638 | ||
1639 | /* The abort command does not leave the device in a clean state where | |
1640 | it is available to be used again. Until this gets worked out, we will | |
1641 | leave it commented out. */ | |
1642 | ||
1643 | static int atp870u_abort(struct scsi_cmnd * SCpnt) | |
1644 | { | |
1645 | unsigned char j, k, c; | |
1646 | struct scsi_cmnd *workrequ; | |
bcd5c59f | 1647 | struct atp_unit *dev; |
1da177e4 LT |
1648 | struct Scsi_Host *host; |
1649 | host = SCpnt->device->host; | |
1650 | ||
1651 | dev = (struct atp_unit *)&host->hostdata; | |
422c0d61 | 1652 | c = scmd_channel(SCpnt); |
1da177e4 LT |
1653 | printk(" atp870u: abort Channel = %x \n", c); |
1654 | printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]); | |
1655 | printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]); | |
1da177e4 | 1656 | for (j = 0; j < 0x18; j++) { |
6a3cebb6 | 1657 | printk(" r%2x=%2x", j, atp_readb_io(dev, c, j)); |
1da177e4 | 1658 | } |
6a3cebb6 OZ |
1659 | printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c)); |
1660 | printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]); | |
1661 | printk(" d00=%2x", atp_readb_pci(dev, c, 0x00)); | |
1662 | printk(" d02=%2x", atp_readb_pci(dev, c, 0x02)); | |
1da177e4 LT |
1663 | for(j=0;j<16;j++) { |
1664 | if (dev->id[c][j].curr_req != NULL) { | |
1665 | workrequ = dev->id[c][j].curr_req; | |
1666 | printk("\n que cdb= "); | |
1667 | for (k=0; k < workrequ->cmd_len; k++) { | |
1668 | printk(" %2x ",workrequ->cmnd[k]); | |
1669 | } | |
1670 | printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len); | |
1671 | } | |
1672 | } | |
1673 | return SUCCESS; | |
1674 | } | |
1675 | ||
1676 | static const char *atp870u_info(struct Scsi_Host *notused) | |
1677 | { | |
1678 | static char buffer[128]; | |
1679 | ||
1680 | strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac "); | |
1681 | ||
1682 | return buffer; | |
1683 | } | |
1684 | ||
d773e422 | 1685 | static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr) |
1da177e4 | 1686 | { |
3d30079c RV |
1687 | seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n" |
1688 | "Adapter Configuration:\n"); | |
d773e422 AV |
1689 | seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port); |
1690 | seq_printf(m, " IRQ: %d\n", HBAptr->irq); | |
1691 | return 0; | |
1da177e4 LT |
1692 | } |
1693 | ||
1694 | ||
1695 | static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev, | |
1696 | sector_t capacity, int *ip) | |
1697 | { | |
1698 | int heads, sectors, cylinders; | |
1699 | ||
1700 | heads = 64; | |
1701 | sectors = 32; | |
1702 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1703 | if (cylinders > 1024) { | |
1704 | heads = 255; | |
1705 | sectors = 63; | |
1706 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1707 | } | |
1708 | ip[0] = heads; | |
1709 | ip[1] = sectors; | |
1710 | ip[2] = cylinders; | |
1711 | ||
1712 | return 0; | |
1713 | } | |
1714 | ||
1715 | static void atp870u_remove (struct pci_dev *pdev) | |
bcd5c59f | 1716 | { |
1da177e4 LT |
1717 | struct atp_unit *devext = pci_get_drvdata(pdev); |
1718 | struct Scsi_Host *pshost = devext->host; | |
bcd5c59f | 1719 | |
1da177e4 | 1720 | scsi_remove_host(pshost); |
1da177e4 | 1721 | free_irq(pshost->irq, pshost); |
11ec1318 OZ |
1722 | pci_release_regions(pdev); |
1723 | pci_disable_device(pdev); | |
1da177e4 | 1724 | atp870u_free_tables(pshost); |
1da177e4 | 1725 | scsi_host_put(pshost); |
1da177e4 LT |
1726 | } |
1727 | MODULE_LICENSE("GPL"); | |
1728 | ||
1729 | static struct scsi_host_template atp870u_template = { | |
1730 | .module = THIS_MODULE, | |
bcd5c59f | 1731 | .name = "atp870u" /* name */, |
1da177e4 | 1732 | .proc_name = "atp870u", |
d773e422 | 1733 | .show_info = atp870u_show_info, |
bcd5c59f HR |
1734 | .info = atp870u_info /* info */, |
1735 | .queuecommand = atp870u_queuecommand /* queuecommand */, | |
1736 | .eh_abort_handler = atp870u_abort /* abort */, | |
1737 | .bios_param = atp870u_biosparam /* biosparm */, | |
1738 | .can_queue = qcnt /* can_queue */, | |
1739 | .this_id = 7 /* SCSI ID */, | |
1740 | .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/, | |
1da177e4 LT |
1741 | .max_sectors = ATP870U_MAX_SECTORS, |
1742 | }; | |
1743 | ||
1744 | static struct pci_device_id atp870u_id_table[] = { | |
1745 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) }, | |
bcd5c59f HR |
1746 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) }, |
1747 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) }, | |
1da177e4 LT |
1748 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) }, |
1749 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) }, | |
1750 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) }, | |
1751 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) }, | |
1752 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) }, | |
1753 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) }, | |
1754 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) }, | |
1755 | { 0, }, | |
1756 | }; | |
1757 | ||
1758 | MODULE_DEVICE_TABLE(pci, atp870u_id_table); | |
1759 | ||
1760 | static struct pci_driver atp870u_driver = { | |
1761 | .id_table = atp870u_id_table, | |
1762 | .name = "atp870u", | |
1763 | .probe = atp870u_probe, | |
6f039790 | 1764 | .remove = atp870u_remove, |
1da177e4 LT |
1765 | }; |
1766 | ||
1ccd7d68 | 1767 | module_pci_driver(atp870u_driver); |
1da177e4 | 1768 | |
bcd5c59f HR |
1769 | static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, |
1770 | unsigned char lvdmode) | |
1da177e4 | 1771 | { |
fa50b308 | 1772 | unsigned char i, j, k, rmb, n; |
1da177e4 LT |
1773 | unsigned short int m; |
1774 | static unsigned char mbuf[512]; | |
80b52a7f OZ |
1775 | static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 }; |
1776 | static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 }; | |
1777 | static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; | |
1778 | unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; | |
1779 | static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; | |
460da918 | 1780 | static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 }; |
80b52a7f OZ |
1781 | unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; |
1782 | static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 }; | |
1783 | static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 }; | |
1da177e4 | 1784 | |
1da177e4 | 1785 | for (i = 0; i < 16; i++) { |
197fb8d8 OZ |
1786 | if (!wide_chip && (i > 7)) |
1787 | break; | |
1da177e4 LT |
1788 | m = 1; |
1789 | m = m << i; | |
1790 | if ((m & dev->active_id[c]) != 0) { | |
1791 | continue; | |
1792 | } | |
1793 | if (i == dev->host_id[c]) { | |
1794 | printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]); | |
1795 | continue; | |
1796 | } | |
197fb8d8 | 1797 | atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00); |
5d2a5a4f OZ |
1798 | atp_writeb_io(dev, c, 1, 0x08); |
1799 | atp_writeb_io(dev, c, 2, 0x7f); | |
1800 | atp_writeb_io(dev, c, 3, satn[0]); | |
1801 | atp_writeb_io(dev, c, 4, satn[1]); | |
1802 | atp_writeb_io(dev, c, 5, satn[2]); | |
1803 | atp_writeb_io(dev, c, 6, satn[3]); | |
1804 | atp_writeb_io(dev, c, 7, satn[4]); | |
1805 | atp_writeb_io(dev, c, 8, satn[5]); | |
1806 | atp_writeb_io(dev, c, 0x0f, 0); | |
1807 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
5d2a5a4f OZ |
1808 | atp_writeb_io(dev, c, 0x12, 0); |
1809 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
1810 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
1da177e4 LT |
1811 | j = i; |
1812 | if ((j & 0x08) != 0) { | |
1813 | j = (j & 0x07) | 0x40; | |
1814 | } | |
5d2a5a4f OZ |
1815 | atp_writeb_io(dev, c, 0x15, j); |
1816 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
1da177e4 | 1817 | |
5d2a5a4f | 1818 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1819 | cpu_relax(); |
80b52a7f OZ |
1820 | |
1821 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 1822 | continue; |
80b52a7f | 1823 | |
5d2a5a4f | 1824 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 1825 | cpu_relax(); |
80b52a7f | 1826 | |
1da177e4 LT |
1827 | dev->active_id[c] |= m; |
1828 | ||
5d2a5a4f | 1829 | atp_writeb_io(dev, c, 0x10, 0x30); |
b922a449 | 1830 | if (is885(dev) || is880(dev)) |
460da918 OZ |
1831 | atp_writeb_io(dev, c, 0x14, 0x00); |
1832 | else /* result of is870() merge - is this a bug? */ | |
1833 | atp_writeb_io(dev, c, 0x04, 0x00); | |
1da177e4 LT |
1834 | |
1835 | phase_cmd: | |
5d2a5a4f | 1836 | atp_writeb_io(dev, c, 0x18, 0x08); |
80b52a7f | 1837 | |
5d2a5a4f | 1838 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1839 | cpu_relax(); |
80b52a7f | 1840 | |
5d2a5a4f | 1841 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 | 1842 | if (j != 0x16) { |
5d2a5a4f | 1843 | atp_writeb_io(dev, c, 0x10, 0x41); |
1da177e4 LT |
1844 | goto phase_cmd; |
1845 | } | |
1846 | sel_ok: | |
5d2a5a4f OZ |
1847 | atp_writeb_io(dev, c, 3, inqd[0]); |
1848 | atp_writeb_io(dev, c, 4, inqd[1]); | |
1849 | atp_writeb_io(dev, c, 5, inqd[2]); | |
1850 | atp_writeb_io(dev, c, 6, inqd[3]); | |
1851 | atp_writeb_io(dev, c, 7, inqd[4]); | |
1852 | atp_writeb_io(dev, c, 8, inqd[5]); | |
1853 | atp_writeb_io(dev, c, 0x0f, 0); | |
1854 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
1855 | atp_writeb_io(dev, c, 0x12, 0); | |
1856 | atp_writeb_io(dev, c, 0x13, inqd[6]); | |
1857 | atp_writeb_io(dev, c, 0x14, inqd[7]); | |
1858 | atp_writeb_io(dev, c, 0x18, inqd[8]); | |
80b52a7f | 1859 | |
5d2a5a4f | 1860 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1861 | cpu_relax(); |
80b52a7f OZ |
1862 | |
1863 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 1864 | continue; |
80b52a7f | 1865 | |
5d2a5a4f | 1866 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 1867 | cpu_relax(); |
80b52a7f | 1868 | |
197fb8d8 OZ |
1869 | if (wide_chip) |
1870 | atp_writeb_io(dev, c, 0x1b, 0x00); | |
1871 | ||
5d2a5a4f | 1872 | atp_writeb_io(dev, c, 0x18, 0x08); |
1da177e4 LT |
1873 | j = 0; |
1874 | rd_inq_data: | |
5d2a5a4f | 1875 | k = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 1876 | if ((k & 0x01) != 0) { |
5d2a5a4f | 1877 | mbuf[j++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
1878 | goto rd_inq_data; |
1879 | } | |
1880 | if ((k & 0x80) == 0) { | |
1881 | goto rd_inq_data; | |
1882 | } | |
5d2a5a4f | 1883 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
1884 | if (j == 0x16) { |
1885 | goto inq_ok; | |
1886 | } | |
5d2a5a4f OZ |
1887 | atp_writeb_io(dev, c, 0x10, 0x46); |
1888 | atp_writeb_io(dev, c, 0x12, 0); | |
1889 | atp_writeb_io(dev, c, 0x13, 0); | |
1890 | atp_writeb_io(dev, c, 0x14, 0); | |
1891 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 1892 | |
5d2a5a4f | 1893 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1894 | cpu_relax(); |
80b52a7f OZ |
1895 | |
1896 | if (atp_readb_io(dev, c, 0x17) != 0x16) | |
1da177e4 | 1897 | goto sel_ok; |
80b52a7f | 1898 | |
1da177e4 LT |
1899 | inq_ok: |
1900 | mbuf[36] = 0; | |
80b52a7f | 1901 | printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]); |
1da177e4 LT |
1902 | dev->id[c][i].devtype = mbuf[0]; |
1903 | rmb = mbuf[1]; | |
1904 | n = mbuf[7]; | |
197fb8d8 OZ |
1905 | if (!wide_chip) |
1906 | goto not_wide; | |
1da177e4 LT |
1907 | if ((mbuf[7] & 0x60) == 0) { |
1908 | goto not_wide; | |
1909 | } | |
b922a449 | 1910 | if (is885(dev) || is880(dev)) { |
197fb8d8 OZ |
1911 | if ((i < 8) && ((dev->global_map[c] & 0x20) == 0)) |
1912 | goto not_wide; | |
1913 | } else { /* result of is870() merge - is this a bug? */ | |
1914 | if ((dev->global_map[c] & 0x20) == 0) | |
1915 | goto not_wide; | |
1da177e4 LT |
1916 | } |
1917 | if (lvdmode == 0) { | |
80b52a7f | 1918 | goto chg_wide; |
1da177e4 | 1919 | } |
80b52a7f OZ |
1920 | if (dev->sp[c][i] != 0x04) // force u2 |
1921 | { | |
1922 | goto chg_wide; | |
1da177e4 LT |
1923 | } |
1924 | ||
5d2a5a4f OZ |
1925 | atp_writeb_io(dev, c, 0x1b, 0x01); |
1926 | atp_writeb_io(dev, c, 3, satn[0]); | |
1927 | atp_writeb_io(dev, c, 4, satn[1]); | |
1928 | atp_writeb_io(dev, c, 5, satn[2]); | |
1929 | atp_writeb_io(dev, c, 6, satn[3]); | |
1930 | atp_writeb_io(dev, c, 7, satn[4]); | |
1931 | atp_writeb_io(dev, c, 8, satn[5]); | |
1932 | atp_writeb_io(dev, c, 0x0f, 0); | |
1933 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
1934 | atp_writeb_io(dev, c, 0x12, 0); | |
1935 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
1936 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
1937 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
1938 | ||
1939 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) | |
1da177e4 | 1940 | cpu_relax(); |
80b52a7f OZ |
1941 | |
1942 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 1943 | continue; |
80b52a7f | 1944 | |
5d2a5a4f | 1945 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 1946 | cpu_relax(); |
80b52a7f | 1947 | |
1da177e4 LT |
1948 | try_u3: |
1949 | j = 0; | |
5d2a5a4f OZ |
1950 | atp_writeb_io(dev, c, 0x14, 0x09); |
1951 | atp_writeb_io(dev, c, 0x18, 0x20); | |
e2c22b45 | 1952 | |
5d2a5a4f OZ |
1953 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
1954 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
1955 | atp_writeb_io(dev, c, 0x19, u3[j++]); | |
1da177e4 LT |
1956 | cpu_relax(); |
1957 | } | |
80b52a7f | 1958 | |
5d2a5a4f | 1959 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
1da177e4 | 1960 | cpu_relax(); |
80b52a7f | 1961 | |
5d2a5a4f | 1962 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
1963 | if (j == 0x0f) { |
1964 | goto u3p_in; | |
1965 | } | |
1966 | if (j == 0x0a) { | |
1967 | goto u3p_cmd; | |
1968 | } | |
1969 | if (j == 0x0e) { | |
1970 | goto try_u3; | |
1971 | } | |
1972 | continue; | |
1973 | u3p_out: | |
5d2a5a4f OZ |
1974 | atp_writeb_io(dev, c, 0x18, 0x20); |
1975 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { | |
1976 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
1977 | atp_writeb_io(dev, c, 0x19, 0); | |
1da177e4 LT |
1978 | cpu_relax(); |
1979 | } | |
5d2a5a4f | 1980 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
1981 | if (j == 0x0f) { |
1982 | goto u3p_in; | |
1983 | } | |
1984 | if (j == 0x0a) { | |
1985 | goto u3p_cmd; | |
1986 | } | |
1987 | if (j == 0x0e) { | |
1988 | goto u3p_out; | |
1989 | } | |
1990 | continue; | |
1991 | u3p_in: | |
5d2a5a4f OZ |
1992 | atp_writeb_io(dev, c, 0x14, 0x09); |
1993 | atp_writeb_io(dev, c, 0x18, 0x20); | |
1da177e4 LT |
1994 | k = 0; |
1995 | u3p_in1: | |
5d2a5a4f | 1996 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 1997 | if ((j & 0x01) != 0) { |
5d2a5a4f | 1998 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
1999 | goto u3p_in1; |
2000 | } | |
2001 | if ((j & 0x80) == 0x00) { | |
2002 | goto u3p_in1; | |
2003 | } | |
5d2a5a4f | 2004 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2005 | if (j == 0x0f) { |
2006 | goto u3p_in; | |
2007 | } | |
2008 | if (j == 0x0a) { | |
2009 | goto u3p_cmd; | |
2010 | } | |
2011 | if (j == 0x0e) { | |
2012 | goto u3p_out; | |
2013 | } | |
2014 | continue; | |
2015 | u3p_cmd: | |
5d2a5a4f OZ |
2016 | atp_writeb_io(dev, c, 0x10, 0x30); |
2017 | atp_writeb_io(dev, c, 0x14, 0x00); | |
2018 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 2019 | |
5d2a5a4f | 2020 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00); |
80b52a7f | 2021 | |
5d2a5a4f | 2022 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2023 | if (j != 0x16) { |
2024 | if (j == 0x4e) { | |
2025 | goto u3p_out; | |
2026 | } | |
2027 | continue; | |
2028 | } | |
2029 | if (mbuf[0] != 0x01) { | |
2030 | goto chg_wide; | |
2031 | } | |
2032 | if (mbuf[1] != 0x06) { | |
2033 | goto chg_wide; | |
2034 | } | |
2035 | if (mbuf[2] != 0x04) { | |
2036 | goto chg_wide; | |
2037 | } | |
2038 | if (mbuf[3] == 0x09) { | |
2039 | m = 1; | |
2040 | m = m << i; | |
2041 | dev->wide_id[c] |= m; | |
2042 | dev->id[c][i].devsp = 0xce; | |
bcd5c59f HR |
2043 | #ifdef ED_DBGP |
2044 | printk("dev->id[%2d][%2d].devsp = %2x\n", | |
2045 | c, i, dev->id[c][i].devsp); | |
1da177e4 LT |
2046 | #endif |
2047 | continue; | |
2048 | } | |
2049 | chg_wide: | |
5d2a5a4f OZ |
2050 | atp_writeb_io(dev, c, 0x1b, 0x01); |
2051 | atp_writeb_io(dev, c, 3, satn[0]); | |
2052 | atp_writeb_io(dev, c, 4, satn[1]); | |
2053 | atp_writeb_io(dev, c, 5, satn[2]); | |
2054 | atp_writeb_io(dev, c, 6, satn[3]); | |
2055 | atp_writeb_io(dev, c, 7, satn[4]); | |
2056 | atp_writeb_io(dev, c, 8, satn[5]); | |
2057 | atp_writeb_io(dev, c, 0x0f, 0); | |
2058 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
2059 | atp_writeb_io(dev, c, 0x12, 0); | |
2060 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
2061 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
2062 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
2063 | ||
2064 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) | |
1da177e4 | 2065 | cpu_relax(); |
80b52a7f | 2066 | |
bcd5c59f HR |
2067 | if (atp_readb_io(dev, c, 0x17) != 0x11 && |
2068 | atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 2069 | continue; |
80b52a7f | 2070 | |
5d2a5a4f | 2071 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 2072 | cpu_relax(); |
80b52a7f | 2073 | |
1da177e4 LT |
2074 | try_wide: |
2075 | j = 0; | |
5d2a5a4f OZ |
2076 | atp_writeb_io(dev, c, 0x14, 0x05); |
2077 | atp_writeb_io(dev, c, 0x18, 0x20); | |
e2c22b45 | 2078 | |
5d2a5a4f OZ |
2079 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
2080 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
2081 | atp_writeb_io(dev, c, 0x19, wide[j++]); | |
1da177e4 LT |
2082 | cpu_relax(); |
2083 | } | |
80b52a7f | 2084 | |
5d2a5a4f | 2085 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
1da177e4 | 2086 | cpu_relax(); |
80b52a7f | 2087 | |
5d2a5a4f | 2088 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2089 | if (j == 0x0f) { |
2090 | goto widep_in; | |
2091 | } | |
2092 | if (j == 0x0a) { | |
2093 | goto widep_cmd; | |
2094 | } | |
2095 | if (j == 0x0e) { | |
2096 | goto try_wide; | |
2097 | } | |
2098 | continue; | |
2099 | widep_out: | |
5d2a5a4f OZ |
2100 | atp_writeb_io(dev, c, 0x18, 0x20); |
2101 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { | |
2102 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
2103 | atp_writeb_io(dev, c, 0x19, 0); | |
1da177e4 LT |
2104 | cpu_relax(); |
2105 | } | |
5d2a5a4f | 2106 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2107 | if (j == 0x0f) { |
2108 | goto widep_in; | |
2109 | } | |
2110 | if (j == 0x0a) { | |
2111 | goto widep_cmd; | |
2112 | } | |
2113 | if (j == 0x0e) { | |
2114 | goto widep_out; | |
2115 | } | |
2116 | continue; | |
2117 | widep_in: | |
5d2a5a4f OZ |
2118 | atp_writeb_io(dev, c, 0x14, 0xff); |
2119 | atp_writeb_io(dev, c, 0x18, 0x20); | |
1da177e4 LT |
2120 | k = 0; |
2121 | widep_in1: | |
5d2a5a4f | 2122 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 2123 | if ((j & 0x01) != 0) { |
5d2a5a4f | 2124 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
2125 | goto widep_in1; |
2126 | } | |
2127 | if ((j & 0x80) == 0x00) { | |
2128 | goto widep_in1; | |
2129 | } | |
5d2a5a4f | 2130 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2131 | if (j == 0x0f) { |
2132 | goto widep_in; | |
2133 | } | |
2134 | if (j == 0x0a) { | |
2135 | goto widep_cmd; | |
2136 | } | |
2137 | if (j == 0x0e) { | |
2138 | goto widep_out; | |
2139 | } | |
2140 | continue; | |
2141 | widep_cmd: | |
5d2a5a4f OZ |
2142 | atp_writeb_io(dev, c, 0x10, 0x30); |
2143 | atp_writeb_io(dev, c, 0x14, 0x00); | |
2144 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 2145 | |
5d2a5a4f | 2146 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 2147 | cpu_relax(); |
80b52a7f | 2148 | |
5d2a5a4f | 2149 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2150 | if (j != 0x16) { |
2151 | if (j == 0x4e) { | |
2152 | goto widep_out; | |
2153 | } | |
2154 | continue; | |
2155 | } | |
2156 | if (mbuf[0] != 0x01) { | |
2157 | goto not_wide; | |
2158 | } | |
2159 | if (mbuf[1] != 0x02) { | |
2160 | goto not_wide; | |
2161 | } | |
2162 | if (mbuf[2] != 0x03) { | |
2163 | goto not_wide; | |
2164 | } | |
2165 | if (mbuf[3] != 0x01) { | |
2166 | goto not_wide; | |
2167 | } | |
2168 | m = 1; | |
2169 | m = m << i; | |
2170 | dev->wide_id[c] |= m; | |
2171 | not_wide: | |
bcd5c59f HR |
2172 | if ((dev->id[c][i].devtype == 0x00) || |
2173 | (dev->id[c][i].devtype == 0x07) || | |
2174 | ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) { | |
1da177e4 LT |
2175 | m = 1; |
2176 | m = m << i; | |
2177 | if ((dev->async[c] & m) != 0) { | |
80b52a7f | 2178 | goto set_sync; |
1da177e4 LT |
2179 | } |
2180 | } | |
2181 | continue; | |
2182 | set_sync: | |
b922a449 | 2183 | if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) { |
80b52a7f OZ |
2184 | synu[4] = 0x0c; |
2185 | synuw[4] = 0x0c; | |
1da177e4 | 2186 | } else { |
80b52a7f OZ |
2187 | if (dev->sp[c][i] >= 0x03) { |
2188 | synu[4] = 0x0a; | |
2189 | synuw[4] = 0x0a; | |
2190 | } | |
1da177e4 | 2191 | } |
1da177e4 LT |
2192 | j = 0; |
2193 | if ((m & dev->wide_id[c]) != 0) { | |
2194 | j |= 0x01; | |
2195 | } | |
5d2a5a4f OZ |
2196 | atp_writeb_io(dev, c, 0x1b, j); |
2197 | atp_writeb_io(dev, c, 3, satn[0]); | |
2198 | atp_writeb_io(dev, c, 4, satn[1]); | |
2199 | atp_writeb_io(dev, c, 5, satn[2]); | |
2200 | atp_writeb_io(dev, c, 6, satn[3]); | |
2201 | atp_writeb_io(dev, c, 7, satn[4]); | |
2202 | atp_writeb_io(dev, c, 8, satn[5]); | |
2203 | atp_writeb_io(dev, c, 0x0f, 0); | |
2204 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
2205 | atp_writeb_io(dev, c, 0x12, 0); | |
2206 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
2207 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
2208 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
2209 | ||
2210 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) | |
1da177e4 | 2211 | cpu_relax(); |
80b52a7f | 2212 | |
bcd5c59f HR |
2213 | if (atp_readb_io(dev, c, 0x17) != 0x11 && |
2214 | atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 2215 | continue; |
80b52a7f | 2216 | |
5d2a5a4f | 2217 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 2218 | cpu_relax(); |
80b52a7f | 2219 | |
1da177e4 LT |
2220 | try_sync: |
2221 | j = 0; | |
5d2a5a4f OZ |
2222 | atp_writeb_io(dev, c, 0x14, 0x06); |
2223 | atp_writeb_io(dev, c, 0x18, 0x20); | |
e2c22b45 | 2224 | |
5d2a5a4f OZ |
2225 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
2226 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) { | |
1da177e4 | 2227 | if ((m & dev->wide_id[c]) != 0) { |
b922a449 | 2228 | if (is885(dev) || is880(dev)) { |
460da918 OZ |
2229 | if ((m & dev->ultra_map[c]) != 0) { |
2230 | atp_writeb_io(dev, c, 0x19, synuw[j++]); | |
2231 | } else { | |
2232 | atp_writeb_io(dev, c, 0x19, synw[j++]); | |
2233 | } | |
2234 | } else | |
2235 | atp_writeb_io(dev, c, 0x19, synw_870[j++]); | |
1da177e4 LT |
2236 | } else { |
2237 | if ((m & dev->ultra_map[c]) != 0) { | |
5d2a5a4f | 2238 | atp_writeb_io(dev, c, 0x19, synu[j++]); |
1da177e4 | 2239 | } else { |
5d2a5a4f | 2240 | atp_writeb_io(dev, c, 0x19, synn[j++]); |
1da177e4 LT |
2241 | } |
2242 | } | |
1da177e4 LT |
2243 | } |
2244 | } | |
80b52a7f | 2245 | |
5d2a5a4f | 2246 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
1da177e4 | 2247 | cpu_relax(); |
80b52a7f | 2248 | |
5d2a5a4f | 2249 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2250 | if (j == 0x0f) { |
2251 | goto phase_ins; | |
2252 | } | |
2253 | if (j == 0x0a) { | |
2254 | goto phase_cmds; | |
2255 | } | |
2256 | if (j == 0x0e) { | |
2257 | goto try_sync; | |
2258 | } | |
2259 | continue; | |
2260 | phase_outs: | |
5d2a5a4f OZ |
2261 | atp_writeb_io(dev, c, 0x18, 0x20); |
2262 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) { | |
2263 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00) | |
2264 | atp_writeb_io(dev, c, 0x19, 0x00); | |
1da177e4 LT |
2265 | cpu_relax(); |
2266 | } | |
5d2a5a4f | 2267 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2268 | if (j == 0x85) { |
2269 | goto tar_dcons; | |
2270 | } | |
2271 | j &= 0x0f; | |
2272 | if (j == 0x0f) { | |
2273 | goto phase_ins; | |
2274 | } | |
2275 | if (j == 0x0a) { | |
2276 | goto phase_cmds; | |
2277 | } | |
2278 | if (j == 0x0e) { | |
2279 | goto phase_outs; | |
2280 | } | |
2281 | continue; | |
2282 | phase_ins: | |
b922a449 | 2283 | if (is885(dev) || is880(dev)) |
460da918 OZ |
2284 | atp_writeb_io(dev, c, 0x14, 0x06); |
2285 | else | |
2286 | atp_writeb_io(dev, c, 0x14, 0xff); | |
5d2a5a4f | 2287 | atp_writeb_io(dev, c, 0x18, 0x20); |
1da177e4 LT |
2288 | k = 0; |
2289 | phase_ins1: | |
5d2a5a4f | 2290 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 2291 | if ((j & 0x01) != 0x00) { |
5d2a5a4f | 2292 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
2293 | goto phase_ins1; |
2294 | } | |
2295 | if ((j & 0x80) == 0x00) { | |
2296 | goto phase_ins1; | |
2297 | } | |
80b52a7f | 2298 | |
5d2a5a4f | 2299 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00); |
80b52a7f | 2300 | |
5d2a5a4f | 2301 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2302 | if (j == 0x85) { |
2303 | goto tar_dcons; | |
2304 | } | |
2305 | j &= 0x0f; | |
2306 | if (j == 0x0f) { | |
2307 | goto phase_ins; | |
2308 | } | |
2309 | if (j == 0x0a) { | |
2310 | goto phase_cmds; | |
2311 | } | |
2312 | if (j == 0x0e) { | |
2313 | goto phase_outs; | |
2314 | } | |
2315 | continue; | |
2316 | phase_cmds: | |
5d2a5a4f | 2317 | atp_writeb_io(dev, c, 0x10, 0x30); |
1da177e4 | 2318 | tar_dcons: |
5d2a5a4f OZ |
2319 | atp_writeb_io(dev, c, 0x14, 0x00); |
2320 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 2321 | |
5d2a5a4f | 2322 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 2323 | cpu_relax(); |
80b52a7f | 2324 | |
5d2a5a4f | 2325 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2326 | if (j != 0x16) { |
2327 | continue; | |
2328 | } | |
2329 | if (mbuf[0] != 0x01) { | |
2330 | continue; | |
2331 | } | |
2332 | if (mbuf[1] != 0x03) { | |
2333 | continue; | |
2334 | } | |
2335 | if (mbuf[4] == 0x00) { | |
2336 | continue; | |
2337 | } | |
2338 | if (mbuf[3] > 0x64) { | |
2339 | continue; | |
2340 | } | |
b922a449 | 2341 | if (is885(dev) || is880(dev)) { |
460da918 OZ |
2342 | if (mbuf[4] > 0x0e) { |
2343 | mbuf[4] = 0x0e; | |
2344 | } | |
2345 | } else { | |
2346 | if (mbuf[4] > 0x0c) { | |
2347 | mbuf[4] = 0x0c; | |
2348 | } | |
1da177e4 LT |
2349 | } |
2350 | dev->id[c][i].devsp = mbuf[4]; | |
b922a449 | 2351 | if (is885(dev) || is880(dev)) |
460da918 OZ |
2352 | if (mbuf[3] < 0x0c) { |
2353 | j = 0xb0; | |
2354 | goto set_syn_ok; | |
2355 | } | |
1da177e4 LT |
2356 | if ((mbuf[3] < 0x0d) && (rmb == 0)) { |
2357 | j = 0xa0; | |
2358 | goto set_syn_ok; | |
2359 | } | |
2360 | if (mbuf[3] < 0x1a) { | |
2361 | j = 0x20; | |
2362 | goto set_syn_ok; | |
2363 | } | |
2364 | if (mbuf[3] < 0x33) { | |
2365 | j = 0x40; | |
2366 | goto set_syn_ok; | |
2367 | } | |
2368 | if (mbuf[3] < 0x4c) { | |
2369 | j = 0x50; | |
2370 | goto set_syn_ok; | |
2371 | } | |
2372 | j = 0x60; | |
80b52a7f | 2373 | set_syn_ok: |
1da177e4 | 2374 | dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j; |
80b52a7f | 2375 | #ifdef ED_DBGP |
bcd5c59f HR |
2376 | printk("dev->id[%2d][%2d].devsp = %2x\n", |
2377 | c,i,dev->id[c][i].devsp); | |
1da177e4 LT |
2378 | #endif |
2379 | } | |
1da177e4 | 2380 | } |