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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); | |
4192a40f | 45 | static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode); |
1da177e4 | 46 | |
6a3cebb6 OZ |
47 | static inline void atp_writeb_base(struct atp_unit *atp, u8 reg, u8 val) |
48 | { | |
49 | outb(val, atp->baseport + reg); | |
50 | } | |
51 | ||
d804bb25 OZ |
52 | static inline void atp_writew_base(struct atp_unit *atp, u8 reg, u16 val) |
53 | { | |
54 | outw(val, atp->baseport + reg); | |
55 | } | |
56 | ||
6a3cebb6 OZ |
57 | static inline void atp_writeb_io(struct atp_unit *atp, u8 channel, u8 reg, u8 val) |
58 | { | |
59 | outb(val, atp->ioport[channel] + reg); | |
60 | } | |
61 | ||
62 | static inline void atp_writew_io(struct atp_unit *atp, u8 channel, u8 reg, u16 val) | |
63 | { | |
64 | outw(val, atp->ioport[channel] + reg); | |
65 | } | |
66 | ||
67 | static inline void atp_writeb_pci(struct atp_unit *atp, u8 channel, u8 reg, u8 val) | |
68 | { | |
69 | outb(val, atp->pciport[channel] + reg); | |
70 | } | |
71 | ||
72 | static inline void atp_writel_pci(struct atp_unit *atp, u8 channel, u8 reg, u32 val) | |
73 | { | |
74 | outl(val, atp->pciport[channel] + reg); | |
75 | } | |
76 | ||
77 | static inline u8 atp_readb_base(struct atp_unit *atp, u8 reg) | |
78 | { | |
79 | return inb(atp->baseport + reg); | |
80 | } | |
81 | ||
d804bb25 OZ |
82 | static inline u16 atp_readw_base(struct atp_unit *atp, u8 reg) |
83 | { | |
84 | return inw(atp->baseport + reg); | |
85 | } | |
86 | ||
87 | static inline u32 atp_readl_base(struct atp_unit *atp, u8 reg) | |
88 | { | |
89 | return inl(atp->baseport + reg); | |
90 | } | |
91 | ||
6a3cebb6 OZ |
92 | static inline u8 atp_readb_io(struct atp_unit *atp, u8 channel, u8 reg) |
93 | { | |
94 | return inb(atp->ioport[channel] + reg); | |
95 | } | |
96 | ||
97 | static inline u16 atp_readw_io(struct atp_unit *atp, u8 channel, u8 reg) | |
98 | { | |
99 | return inw(atp->ioport[channel] + reg); | |
100 | } | |
101 | ||
102 | static inline u8 atp_readb_pci(struct atp_unit *atp, u8 channel, u8 reg) | |
103 | { | |
104 | return inb(atp->pciport[channel] + reg); | |
105 | } | |
106 | ||
b922a449 OZ |
107 | static inline bool is880(struct atp_unit *atp) |
108 | { | |
109 | return atp->pdev->device == ATP880_DEVID1 || | |
110 | atp->pdev->device == ATP880_DEVID2; | |
111 | } | |
112 | ||
113 | static inline bool is885(struct atp_unit *atp) | |
114 | { | |
115 | return atp->pdev->device == ATP885_DEVID; | |
116 | } | |
117 | ||
7d12e780 | 118 | static irqreturn_t atp870u_intr_handle(int irq, void *dev_id) |
1da177e4 LT |
119 | { |
120 | unsigned long flags; | |
bc0fe4c9 | 121 | unsigned short int id; |
1da177e4 LT |
122 | unsigned char i, j, c, target_id, lun,cmdp; |
123 | unsigned char *prd; | |
124 | struct scsi_cmnd *workreq; | |
1da177e4 LT |
125 | unsigned long adrcnt, k; |
126 | #ifdef ED_DBGP | |
127 | unsigned long l; | |
128 | #endif | |
1da177e4 LT |
129 | struct Scsi_Host *host = dev_id; |
130 | struct atp_unit *dev = (struct atp_unit *)&host->hostdata; | |
131 | ||
132 | for (c = 0; c < 2; c++) { | |
6a3cebb6 | 133 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 134 | if ((j & 0x80) != 0) |
78614ecd | 135 | break; |
1da177e4 LT |
136 | dev->in_int[c] = 0; |
137 | } | |
78614ecd OZ |
138 | if ((j & 0x80) == 0) |
139 | return IRQ_NONE; | |
1da177e4 LT |
140 | #ifdef ED_DBGP |
141 | printk("atp870u_intr_handle enter\n"); | |
142 | #endif | |
143 | dev->in_int[c] = 1; | |
6a3cebb6 | 144 | cmdp = atp_readb_io(dev, c, 0x10); |
1da177e4 | 145 | if (dev->working[c] != 0) { |
b922a449 | 146 | if (is885(dev)) { |
6a3cebb6 OZ |
147 | if ((atp_readb_io(dev, c, 0x16) & 0x80) == 0) |
148 | atp_writeb_io(dev, c, 0x16, (atp_readb_io(dev, c, 0x16) | 0x80)); | |
1da177e4 | 149 | } |
6a3cebb6 | 150 | if ((atp_readb_pci(dev, c, 0x00) & 0x08) != 0) |
1da177e4 | 151 | { |
1da177e4 | 152 | for (k=0; k < 1000; k++) { |
6a3cebb6 | 153 | if ((atp_readb_pci(dev, c, 2) & 0x08) == 0) |
78614ecd | 154 | break; |
6a3cebb6 | 155 | if ((atp_readb_pci(dev, c, 2) & 0x01) == 0) |
78614ecd | 156 | break; |
1da177e4 LT |
157 | } |
158 | } | |
6a3cebb6 | 159 | atp_writeb_pci(dev, c, 0, 0x00); |
1da177e4 | 160 | |
6a3cebb6 | 161 | i = atp_readb_io(dev, c, 0x17); |
1da177e4 | 162 | |
b922a449 | 163 | if (is885(dev)) |
6a3cebb6 | 164 | atp_writeb_pci(dev, c, 2, 0x06); |
1da177e4 | 165 | |
6a3cebb6 | 166 | target_id = atp_readb_io(dev, c, 0x15); |
1da177e4 LT |
167 | |
168 | /* | |
169 | * Remap wide devices onto id numbers | |
170 | */ | |
171 | ||
172 | if ((target_id & 0x40) != 0) { | |
173 | target_id = (target_id & 0x07) | 0x08; | |
174 | } else { | |
175 | target_id &= 0x07; | |
176 | } | |
177 | ||
178 | if ((j & 0x40) != 0) { | |
179 | if (dev->last_cmd[c] == 0xff) { | |
180 | dev->last_cmd[c] = target_id; | |
181 | } | |
182 | dev->last_cmd[c] |= 0x40; | |
183 | } | |
b922a449 | 184 | if (is885(dev)) |
1da177e4 LT |
185 | dev->r1f[c][target_id] |= j; |
186 | #ifdef ED_DBGP | |
187 | printk("atp870u_intr_handle status = %x\n",i); | |
188 | #endif | |
189 | if (i == 0x85) { | |
190 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { | |
191 | dev->last_cmd[c] = 0xff; | |
192 | } | |
b922a449 | 193 | if (is885(dev)) { |
1da177e4 | 194 | adrcnt = 0; |
6a3cebb6 OZ |
195 | ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); |
196 | ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); | |
197 | ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); | |
22c0738b CIK |
198 | if (dev->id[c][target_id].last_len != adrcnt) { |
199 | k = dev->id[c][target_id].last_len; | |
1da177e4 LT |
200 | k -= adrcnt; |
201 | dev->id[c][target_id].tran_len = k; | |
22c0738b | 202 | dev->id[c][target_id].last_len = adrcnt; |
1da177e4 LT |
203 | } |
204 | #ifdef ED_DBGP | |
3a38e53e | 205 | printk("dev->id[c][target_id].last_len = %d dev->id[c][target_id].tran_len = %d\n",dev->id[c][target_id].last_len,dev->id[c][target_id].tran_len); |
1da177e4 LT |
206 | #endif |
207 | } | |
208 | ||
209 | /* | |
210 | * Flip wide | |
211 | */ | |
212 | if (dev->wide_id[c] != 0) { | |
6a3cebb6 OZ |
213 | atp_writeb_io(dev, c, 0x1b, 0x01); |
214 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) | |
215 | atp_writeb_io(dev, c, 0x1b, 0x01); | |
1da177e4 LT |
216 | } |
217 | /* | |
218 | * Issue more commands | |
219 | */ | |
220 | spin_lock_irqsave(dev->host->host_lock, flags); | |
221 | if (((dev->quhd[c] != dev->quend[c]) || (dev->last_cmd[c] != 0xff)) && | |
222 | (dev->in_snd[c] == 0)) { | |
223 | #ifdef ED_DBGP | |
224 | printk("Call sent_s870\n"); | |
225 | #endif | |
226 | send_s870(dev,c); | |
227 | } | |
228 | spin_unlock_irqrestore(dev->host->host_lock, flags); | |
229 | /* | |
230 | * Done | |
231 | */ | |
232 | dev->in_int[c] = 0; | |
233 | #ifdef ED_DBGP | |
234 | printk("Status 0x85 return\n"); | |
235 | #endif | |
78614ecd | 236 | return IRQ_HANDLED; |
1da177e4 LT |
237 | } |
238 | ||
239 | if (i == 0x40) { | |
240 | dev->last_cmd[c] |= 0x40; | |
241 | dev->in_int[c] = 0; | |
78614ecd | 242 | return IRQ_HANDLED; |
1da177e4 LT |
243 | } |
244 | ||
245 | if (i == 0x21) { | |
246 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { | |
247 | dev->last_cmd[c] = 0xff; | |
248 | } | |
1da177e4 | 249 | adrcnt = 0; |
6a3cebb6 OZ |
250 | ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); |
251 | ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); | |
252 | ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); | |
1da177e4 LT |
253 | k = dev->id[c][target_id].last_len; |
254 | k -= adrcnt; | |
255 | dev->id[c][target_id].tran_len = k; | |
256 | dev->id[c][target_id].last_len = adrcnt; | |
6a3cebb6 OZ |
257 | atp_writeb_io(dev, c, 0x10, 0x41); |
258 | atp_writeb_io(dev, c, 0x18, 0x08); | |
1da177e4 | 259 | dev->in_int[c] = 0; |
78614ecd | 260 | return IRQ_HANDLED; |
1da177e4 LT |
261 | } |
262 | ||
b922a449 | 263 | if (is885(dev)) { |
1da177e4 LT |
264 | if ((i == 0x4c) || (i == 0x4d) || (i == 0x8c) || (i == 0x8d)) { |
265 | if ((i == 0x4c) || (i == 0x8c)) | |
266 | i=0x48; | |
267 | else | |
268 | i=0x49; | |
269 | } | |
270 | ||
271 | } | |
272 | if ((i == 0x80) || (i == 0x8f)) { | |
273 | #ifdef ED_DBGP | |
274 | printk(KERN_DEBUG "Device reselect\n"); | |
275 | #endif | |
276 | lun = 0; | |
6a3cebb6 OZ |
277 | if (cmdp == 0x44 || i == 0x80) |
278 | lun = atp_readb_io(dev, c, 0x1d) & 0x07; | |
279 | else { | |
1da177e4 LT |
280 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
281 | dev->last_cmd[c] = 0xff; | |
282 | } | |
283 | if (cmdp == 0x41) { | |
284 | #ifdef ED_DBGP | |
285 | printk("cmdp = 0x41\n"); | |
286 | #endif | |
1da177e4 | 287 | adrcnt = 0; |
6a3cebb6 OZ |
288 | ((unsigned char *) &adrcnt)[2] = atp_readb_io(dev, c, 0x12); |
289 | ((unsigned char *) &adrcnt)[1] = atp_readb_io(dev, c, 0x13); | |
290 | ((unsigned char *) &adrcnt)[0] = atp_readb_io(dev, c, 0x14); | |
1da177e4 LT |
291 | k = dev->id[c][target_id].last_len; |
292 | k -= adrcnt; | |
293 | dev->id[c][target_id].tran_len = k; | |
294 | dev->id[c][target_id].last_len = adrcnt; | |
6a3cebb6 | 295 | atp_writeb_io(dev, c, 0x18, 0x08); |
1da177e4 | 296 | dev->in_int[c] = 0; |
78614ecd | 297 | return IRQ_HANDLED; |
1da177e4 LT |
298 | } else { |
299 | #ifdef ED_DBGP | |
300 | printk("cmdp != 0x41\n"); | |
301 | #endif | |
6a3cebb6 | 302 | atp_writeb_io(dev, c, 0x10, 0x46); |
1da177e4 | 303 | dev->id[c][target_id].dirct = 0x00; |
6a3cebb6 OZ |
304 | atp_writeb_io(dev, c, 0x12, 0x00); |
305 | atp_writeb_io(dev, c, 0x13, 0x00); | |
306 | atp_writeb_io(dev, c, 0x14, 0x00); | |
307 | atp_writeb_io(dev, c, 0x18, 0x08); | |
1da177e4 | 308 | dev->in_int[c] = 0; |
78614ecd | 309 | return IRQ_HANDLED; |
1da177e4 LT |
310 | } |
311 | } | |
312 | if (dev->last_cmd[c] != 0xff) { | |
313 | dev->last_cmd[c] |= 0x40; | |
314 | } | |
b922a449 | 315 | if (is885(dev)) { |
6a3cebb6 OZ |
316 | j = atp_readb_base(dev, 0x29) & 0xfe; |
317 | atp_writeb_base(dev, 0x29, j); | |
3a38e53e | 318 | } else |
6a3cebb6 | 319 | atp_writeb_io(dev, c, 0x10, 0x45); |
3a38e53e | 320 | |
6a3cebb6 | 321 | target_id = atp_readb_io(dev, c, 0x16); |
1da177e4 LT |
322 | /* |
323 | * Remap wide identifiers | |
324 | */ | |
325 | if ((target_id & 0x10) != 0) { | |
326 | target_id = (target_id & 0x07) | 0x08; | |
327 | } else { | |
328 | target_id &= 0x07; | |
329 | } | |
b922a449 | 330 | if (is885(dev)) |
6a3cebb6 | 331 | atp_writeb_io(dev, c, 0x10, 0x45); |
1da177e4 LT |
332 | workreq = dev->id[c][target_id].curr_req; |
333 | #ifdef ED_DBGP | |
017560fc JG |
334 | scmd_printk(KERN_DEBUG, workreq, "CDB"); |
335 | for (l = 0; l < workreq->cmd_len; l++) | |
1da177e4 | 336 | printk(KERN_DEBUG " %x",workreq->cmnd[l]); |
017560fc | 337 | printk("\n"); |
1da177e4 LT |
338 | #endif |
339 | ||
6a3cebb6 OZ |
340 | atp_writeb_io(dev, c, 0x0f, lun); |
341 | atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); | |
1da177e4 LT |
342 | adrcnt = dev->id[c][target_id].tran_len; |
343 | k = dev->id[c][target_id].last_len; | |
344 | ||
6a3cebb6 OZ |
345 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) &k)[2]); |
346 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) &k)[1]); | |
347 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) &k)[0]); | |
1da177e4 | 348 | #ifdef ED_DBGP |
6a3cebb6 | 349 | printk("k %x, k[0] 0x%x k[1] 0x%x k[2] 0x%x\n", k, atp_readb_io(dev, c, 0x14), atp_readb_io(dev, c, 0x13), atp_readb_io(dev, c, 0x12)); |
1da177e4 LT |
350 | #endif |
351 | /* Remap wide */ | |
352 | j = target_id; | |
353 | if (target_id > 7) { | |
354 | j = (j & 0x07) | 0x40; | |
355 | } | |
356 | /* Add direction */ | |
357 | j |= dev->id[c][target_id].dirct; | |
6a3cebb6 OZ |
358 | atp_writeb_io(dev, c, 0x15, j); |
359 | atp_writeb_io(dev, c, 0x16, 0x80); | |
1da177e4 LT |
360 | |
361 | /* enable 32 bit fifo transfer */ | |
b922a449 | 362 | if (is885(dev)) { |
6a3cebb6 | 363 | i = atp_readb_pci(dev, c, 1) & 0xf3; |
1da177e4 LT |
364 | //j=workreq->cmnd[0]; |
365 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) { | |
366 | i |= 0x0c; | |
367 | } | |
6a3cebb6 | 368 | atp_writeb_pci(dev, c, 1, i); |
b922a449 | 369 | } else if (is880(dev)) { |
6a3cebb6 OZ |
370 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
371 | atp_writeb_base(dev, 0x3b, (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); | |
372 | else | |
373 | atp_writeb_base(dev, 0x3b, atp_readb_base(dev, 0x3b) & 0x3f); | |
1da177e4 | 374 | } else { |
6a3cebb6 | 375 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
c751d9f1 | 376 | atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); |
6a3cebb6 | 377 | else |
c751d9f1 | 378 | atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3); |
1da177e4 | 379 | } |
1da177e4 LT |
380 | j = 0; |
381 | id = 1; | |
382 | id = id << target_id; | |
383 | /* | |
384 | * Is this a wide device | |
385 | */ | |
386 | if ((id & dev->wide_id[c]) != 0) { | |
387 | j |= 0x01; | |
388 | } | |
6a3cebb6 OZ |
389 | atp_writeb_io(dev, c, 0x1b, j); |
390 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) | |
391 | atp_writeb_io(dev, c, 0x1b, j); | |
1da177e4 | 392 | if (dev->id[c][target_id].last_len == 0) { |
6a3cebb6 | 393 | atp_writeb_io(dev, c, 0x18, 0x08); |
1da177e4 LT |
394 | dev->in_int[c] = 0; |
395 | #ifdef ED_DBGP | |
396 | printk("dev->id[c][target_id].last_len = 0\n"); | |
397 | #endif | |
78614ecd | 398 | return IRQ_HANDLED; |
1da177e4 LT |
399 | } |
400 | #ifdef ED_DBGP | |
401 | printk("target_id = %d adrcnt = %d\n",target_id,adrcnt); | |
402 | #endif | |
403 | prd = dev->id[c][target_id].prd_pos; | |
404 | while (adrcnt != 0) { | |
405 | id = ((unsigned short int *)prd)[2]; | |
406 | if (id == 0) { | |
407 | k = 0x10000; | |
408 | } else { | |
409 | k = id; | |
410 | } | |
411 | if (k > adrcnt) { | |
412 | ((unsigned short int *)prd)[2] = (unsigned short int) | |
413 | (k - adrcnt); | |
414 | ((unsigned long *)prd)[0] += adrcnt; | |
415 | adrcnt = 0; | |
416 | dev->id[c][target_id].prd_pos = prd; | |
417 | } else { | |
418 | adrcnt -= k; | |
419 | dev->id[c][target_id].prdaddr += 0x08; | |
420 | prd += 0x08; | |
421 | if (adrcnt == 0) { | |
422 | dev->id[c][target_id].prd_pos = prd; | |
423 | } | |
424 | } | |
425 | } | |
6a3cebb6 | 426 | atp_writel_pci(dev, c, 0x04, dev->id[c][target_id].prdaddr); |
1da177e4 LT |
427 | #ifdef ED_DBGP |
428 | printk("dev->id[%d][%d].prdaddr 0x%8x\n", c, target_id, dev->id[c][target_id].prdaddr); | |
429 | #endif | |
b922a449 | 430 | if (!is885(dev)) { |
6a3cebb6 OZ |
431 | atp_writeb_pci(dev, c, 2, 0x06); |
432 | atp_writeb_pci(dev, c, 2, 0x00); | |
1da177e4 | 433 | } |
1da177e4 LT |
434 | /* |
435 | * Check transfer direction | |
436 | */ | |
437 | if (dev->id[c][target_id].dirct != 0) { | |
6a3cebb6 OZ |
438 | atp_writeb_io(dev, c, 0x18, 0x08); |
439 | atp_writeb_pci(dev, c, 0, 0x01); | |
1da177e4 LT |
440 | dev->in_int[c] = 0; |
441 | #ifdef ED_DBGP | |
442 | printk("status 0x80 return dirct != 0\n"); | |
443 | #endif | |
78614ecd | 444 | return IRQ_HANDLED; |
1da177e4 | 445 | } |
6a3cebb6 OZ |
446 | atp_writeb_io(dev, c, 0x18, 0x08); |
447 | atp_writeb_pci(dev, c, 0, 0x09); | |
1da177e4 LT |
448 | dev->in_int[c] = 0; |
449 | #ifdef ED_DBGP | |
450 | printk("status 0x80 return dirct = 0\n"); | |
451 | #endif | |
78614ecd | 452 | return IRQ_HANDLED; |
1da177e4 LT |
453 | } |
454 | ||
455 | /* | |
456 | * Current scsi request on this target | |
457 | */ | |
458 | ||
459 | workreq = dev->id[c][target_id].curr_req; | |
460 | ||
78614ecd | 461 | if (i == 0x42 || i == 0x16) { |
1da177e4 LT |
462 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { |
463 | dev->last_cmd[c] = 0xff; | |
464 | } | |
78614ecd | 465 | if (i == 0x16) { |
6a3cebb6 | 466 | workreq->result = atp_readb_io(dev, c, 0x0f); |
b922a449 | 467 | if (((dev->r1f[c][target_id] & 0x10) != 0) && is885(dev)) { |
78614ecd OZ |
468 | printk(KERN_WARNING "AEC67162 CRC ERROR !\n"); |
469 | workreq->result = 0x02; | |
470 | } | |
471 | } else | |
472 | workreq->result = 0x02; | |
473 | ||
b922a449 | 474 | if (is885(dev)) { |
6a3cebb6 OZ |
475 | j = atp_readb_base(dev, 0x29) | 0x01; |
476 | atp_writeb_base(dev, 0x29, j); | |
1da177e4 LT |
477 | } |
478 | /* | |
479 | * Complete the command | |
480 | */ | |
fe7ed98f BH |
481 | scsi_dma_unmap(workreq); |
482 | ||
1da177e4 LT |
483 | spin_lock_irqsave(dev->host->host_lock, flags); |
484 | (*workreq->scsi_done) (workreq); | |
485 | #ifdef ED_DBGP | |
486 | printk("workreq->scsi_done\n"); | |
487 | #endif | |
488 | /* | |
489 | * Clear it off the queue | |
490 | */ | |
491 | dev->id[c][target_id].curr_req = NULL; | |
492 | dev->working[c]--; | |
493 | spin_unlock_irqrestore(dev->host->host_lock, flags); | |
494 | /* | |
495 | * Take it back wide | |
496 | */ | |
497 | if (dev->wide_id[c] != 0) { | |
6a3cebb6 OZ |
498 | atp_writeb_io(dev, c, 0x1b, 0x01); |
499 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != 0x01) | |
500 | atp_writeb_io(dev, c, 0x1b, 0x01); | |
1da177e4 LT |
501 | } |
502 | /* | |
503 | * If there is stuff to send and nothing going then send it | |
504 | */ | |
505 | spin_lock_irqsave(dev->host->host_lock, flags); | |
506 | if (((dev->last_cmd[c] != 0xff) || (dev->quhd[c] != dev->quend[c])) && | |
507 | (dev->in_snd[c] == 0)) { | |
508 | #ifdef ED_DBGP | |
509 | printk("Call sent_s870(scsi_done)\n"); | |
510 | #endif | |
511 | send_s870(dev,c); | |
512 | } | |
513 | spin_unlock_irqrestore(dev->host->host_lock, flags); | |
514 | dev->in_int[c] = 0; | |
78614ecd | 515 | return IRQ_HANDLED; |
1da177e4 LT |
516 | } |
517 | if ((dev->last_cmd[c] & 0xf0) != 0x40) { | |
518 | dev->last_cmd[c] = 0xff; | |
519 | } | |
520 | if (i == 0x4f) { | |
521 | i = 0x89; | |
522 | } | |
523 | i &= 0x0f; | |
524 | if (i == 0x09) { | |
6a3cebb6 OZ |
525 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
526 | atp_writeb_pci(dev, c, 2, 0x06); | |
527 | atp_writeb_pci(dev, c, 2, 0x00); | |
528 | atp_writeb_io(dev, c, 0x10, 0x41); | |
b922a449 | 529 | if (is885(dev)) { |
1da177e4 | 530 | k = dev->id[c][target_id].last_len; |
6a3cebb6 OZ |
531 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&k))[2]); |
532 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&k))[1]); | |
533 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&k))[0]); | |
1da177e4 | 534 | dev->id[c][target_id].dirct = 0x00; |
1da177e4 LT |
535 | } else { |
536 | dev->id[c][target_id].dirct = 0x00; | |
1da177e4 | 537 | } |
6a3cebb6 OZ |
538 | atp_writeb_io(dev, c, 0x18, 0x08); |
539 | atp_writeb_pci(dev, c, 0, 0x09); | |
1da177e4 | 540 | dev->in_int[c] = 0; |
78614ecd | 541 | return IRQ_HANDLED; |
1da177e4 LT |
542 | } |
543 | if (i == 0x08) { | |
6a3cebb6 OZ |
544 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
545 | atp_writeb_pci(dev, c, 2, 0x06); | |
546 | atp_writeb_pci(dev, c, 2, 0x00); | |
547 | atp_writeb_io(dev, c, 0x10, 0x41); | |
b922a449 | 548 | if (is885(dev)) { |
1da177e4 | 549 | k = dev->id[c][target_id].last_len; |
6a3cebb6 OZ |
550 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&k))[2]); |
551 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&k))[1]); | |
552 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&k))[0]); | |
1da177e4 | 553 | } |
6a3cebb6 | 554 | atp_writeb_io(dev, c, 0x15, atp_readb_io(dev, c, 0x15) | 0x20); |
1da177e4 | 555 | dev->id[c][target_id].dirct = 0x20; |
6a3cebb6 OZ |
556 | atp_writeb_io(dev, c, 0x18, 0x08); |
557 | atp_writeb_pci(dev, c, 0, 0x01); | |
1da177e4 | 558 | dev->in_int[c] = 0; |
78614ecd | 559 | return IRQ_HANDLED; |
1da177e4 | 560 | } |
6a3cebb6 OZ |
561 | if (i == 0x0a) |
562 | atp_writeb_io(dev, c, 0x10, 0x30); | |
563 | else | |
564 | atp_writeb_io(dev, c, 0x10, 0x46); | |
1da177e4 | 565 | dev->id[c][target_id].dirct = 0x00; |
6a3cebb6 OZ |
566 | atp_writeb_io(dev, c, 0x12, 0x00); |
567 | atp_writeb_io(dev, c, 0x13, 0x00); | |
568 | atp_writeb_io(dev, c, 0x14, 0x00); | |
569 | atp_writeb_io(dev, c, 0x18, 0x08); | |
1da177e4 | 570 | } |
78614ecd OZ |
571 | dev->in_int[c] = 0; |
572 | ||
1da177e4 LT |
573 | return IRQ_HANDLED; |
574 | } | |
575 | /** | |
576 | * atp870u_queuecommand - Queue SCSI command | |
577 | * @req_p: request block | |
578 | * @done: completion function | |
579 | * | |
580 | * Queue a command to the ATP queue. Called with the host lock held. | |
581 | */ | |
f281233d | 582 | static int atp870u_queuecommand_lck(struct scsi_cmnd *req_p, |
1da177e4 LT |
583 | void (*done) (struct scsi_cmnd *)) |
584 | { | |
585 | unsigned char c; | |
3b836464 | 586 | unsigned int m; |
1da177e4 LT |
587 | struct atp_unit *dev; |
588 | struct Scsi_Host *host; | |
589 | ||
422c0d61 | 590 | c = scmd_channel(req_p); |
1da177e4 | 591 | req_p->sense_buffer[0]=0; |
fe7ed98f | 592 | scsi_set_resid(req_p, 0); |
422c0d61 | 593 | if (scmd_channel(req_p) > 1) { |
1da177e4 LT |
594 | req_p->result = 0x00040000; |
595 | done(req_p); | |
596 | #ifdef ED_DBGP | |
597 | printk("atp870u_queuecommand : req_p->device->channel > 1\n"); | |
598 | #endif | |
599 | return 0; | |
600 | } | |
601 | ||
602 | host = req_p->device->host; | |
603 | dev = (struct atp_unit *)&host->hostdata; | |
604 | ||
605 | ||
606 | ||
607 | m = 1; | |
422c0d61 | 608 | m = m << scmd_id(req_p); |
1da177e4 LT |
609 | |
610 | /* | |
611 | * Fake a timeout for missing targets | |
612 | */ | |
613 | ||
614 | if ((m & dev->active_id[c]) == 0) { | |
615 | req_p->result = 0x00040000; | |
616 | done(req_p); | |
617 | return 0; | |
618 | } | |
619 | ||
620 | if (done) { | |
621 | req_p->scsi_done = done; | |
622 | } else { | |
623 | #ifdef ED_DBGP | |
624 | printk( "atp870u_queuecommand: done can't be NULL\n"); | |
625 | #endif | |
626 | req_p->result = 0; | |
627 | done(req_p); | |
628 | return 0; | |
629 | } | |
630 | ||
631 | /* | |
632 | * Count new command | |
633 | */ | |
634 | dev->quend[c]++; | |
635 | if (dev->quend[c] >= qcnt) { | |
636 | dev->quend[c] = 0; | |
637 | } | |
638 | ||
639 | /* | |
640 | * Check queue state | |
641 | */ | |
642 | if (dev->quhd[c] == dev->quend[c]) { | |
643 | if (dev->quend[c] == 0) { | |
644 | dev->quend[c] = qcnt; | |
645 | } | |
646 | #ifdef ED_DBGP | |
647 | printk("atp870u_queuecommand : dev->quhd[c] == dev->quend[c]\n"); | |
648 | #endif | |
649 | dev->quend[c]--; | |
650 | req_p->result = 0x00020000; | |
651 | done(req_p); | |
652 | return 0; | |
653 | } | |
654 | dev->quereq[c][dev->quend[c]] = req_p; | |
1da177e4 | 655 | #ifdef ED_DBGP |
6a3cebb6 | 656 | printk("dev->ioport[c] = %x atp_readb_io(dev, c, 0x1c) = %x dev->in_int[%d] = %d dev->in_snd[%d] = %d\n",dev->ioport[c],atp_readb_io(dev, c, 0x1c),c,dev->in_int[c],c,dev->in_snd[c]); |
1da177e4 | 657 | #endif |
6a3cebb6 | 658 | if ((atp_readb_io(dev, c, 0x1c) == 0) && (dev->in_int[c] == 0) && (dev->in_snd[c] == 0)) { |
1da177e4 LT |
659 | #ifdef ED_DBGP |
660 | printk("Call sent_s870(atp870u_queuecommand)\n"); | |
661 | #endif | |
662 | send_s870(dev,c); | |
663 | } | |
664 | #ifdef ED_DBGP | |
665 | printk("atp870u_queuecommand : exit\n"); | |
666 | #endif | |
667 | return 0; | |
668 | } | |
669 | ||
f281233d JG |
670 | static DEF_SCSI_QCMD(atp870u_queuecommand) |
671 | ||
1da177e4 LT |
672 | /** |
673 | * send_s870 - send a command to the controller | |
674 | * @host: host | |
675 | * | |
676 | * On entry there is work queued to be done. We move some of that work to the | |
677 | * controller itself. | |
678 | * | |
679 | * Caller holds the host lock. | |
680 | */ | |
681 | static void send_s870(struct atp_unit *dev,unsigned char c) | |
682 | { | |
468b8968 | 683 | struct scsi_cmnd *workreq = NULL; |
1da177e4 LT |
684 | unsigned int i;//,k; |
685 | unsigned char j, target_id; | |
686 | unsigned char *prd; | |
c2bab403 | 687 | unsigned short int w; |
1da177e4 | 688 | unsigned long l, bttl = 0; |
1da177e4 LT |
689 | unsigned long sg_count; |
690 | ||
691 | if (dev->in_snd[c] != 0) { | |
692 | #ifdef ED_DBGP | |
693 | printk("cmnd in_snd\n"); | |
694 | #endif | |
695 | return; | |
696 | } | |
697 | #ifdef ED_DBGP | |
698 | printk("Sent_s870 enter\n"); | |
699 | #endif | |
700 | dev->in_snd[c] = 1; | |
701 | if ((dev->last_cmd[c] != 0xff) && ((dev->last_cmd[c] & 0x40) != 0)) { | |
702 | dev->last_cmd[c] &= 0x0f; | |
703 | workreq = dev->id[c][dev->last_cmd[c]].curr_req; | |
468b8968 OZ |
704 | if (!workreq) { |
705 | dev->last_cmd[c] = 0xff; | |
706 | if (dev->quhd[c] == dev->quend[c]) { | |
707 | dev->in_snd[c] = 0; | |
708 | return; | |
709 | } | |
1da177e4 LT |
710 | } |
711 | } | |
468b8968 OZ |
712 | if (!workreq) { |
713 | if ((dev->last_cmd[c] != 0xff) && (dev->working[c] != 0)) { | |
714 | dev->in_snd[c] = 0; | |
715 | return; | |
716 | } | |
717 | dev->working[c]++; | |
718 | j = dev->quhd[c]; | |
719 | dev->quhd[c]++; | |
720 | if (dev->quhd[c] >= qcnt) | |
721 | dev->quhd[c] = 0; | |
722 | workreq = dev->quereq[c][dev->quhd[c]]; | |
723 | if (dev->id[c][scmd_id(workreq)].curr_req != NULL) { | |
724 | dev->quhd[c] = j; | |
725 | dev->working[c]--; | |
726 | dev->in_snd[c] = 0; | |
727 | return; | |
728 | } | |
422c0d61 JG |
729 | dev->id[c][scmd_id(workreq)].curr_req = workreq; |
730 | dev->last_cmd[c] = scmd_id(workreq); | |
1da177e4 | 731 | } |
6a3cebb6 | 732 | if ((atp_readb_io(dev, c, 0x1f) & 0xb0) != 0 || atp_readb_io(dev, c, 0x1c) != 0) { |
1da177e4 | 733 | #ifdef ED_DBGP |
468b8968 | 734 | printk("Abort to Send\n"); |
1da177e4 | 735 | #endif |
468b8968 OZ |
736 | dev->last_cmd[c] |= 0x40; |
737 | dev->in_snd[c] = 0; | |
738 | return; | |
739 | } | |
1da177e4 LT |
740 | #ifdef ED_DBGP |
741 | printk("OK to Send\n"); | |
422c0d61 | 742 | scmd_printk(KERN_DEBUG, workreq, "CDB"); |
1da177e4 LT |
743 | for(i=0;i<workreq->cmd_len;i++) { |
744 | printk(" %x",workreq->cmnd[i]); | |
745 | } | |
422c0d61 | 746 | printk("\n"); |
1da177e4 | 747 | #endif |
fe7ed98f BH |
748 | l = scsi_bufflen(workreq); |
749 | ||
b922a449 | 750 | if (is885(dev)) { |
6a3cebb6 OZ |
751 | j = atp_readb_base(dev, 0x29) & 0xfe; |
752 | atp_writeb_base(dev, 0x29, j); | |
422c0d61 | 753 | dev->r1f[c][scmd_id(workreq)] = 0; |
1da177e4 LT |
754 | } |
755 | ||
756 | if (workreq->cmnd[0] == READ_CAPACITY) { | |
fe7ed98f BH |
757 | if (l > 8) |
758 | l = 8; | |
1da177e4 LT |
759 | } |
760 | if (workreq->cmnd[0] == 0x00) { | |
fe7ed98f | 761 | l = 0; |
1da177e4 LT |
762 | } |
763 | ||
1da177e4 | 764 | j = 0; |
422c0d61 | 765 | target_id = scmd_id(workreq); |
1da177e4 LT |
766 | |
767 | /* | |
768 | * Wide ? | |
769 | */ | |
770 | w = 1; | |
771 | w = w << target_id; | |
772 | if ((w & dev->wide_id[c]) != 0) { | |
773 | j |= 0x01; | |
774 | } | |
6a3cebb6 OZ |
775 | atp_writeb_io(dev, c, 0x1b, j); |
776 | while ((atp_readb_io(dev, c, 0x1b) & 0x01) != j) { | |
777 | atp_writeb_pci(dev, c, 0x1b, j); | |
1da177e4 LT |
778 | #ifdef ED_DBGP |
779 | printk("send_s870 while loop 1\n"); | |
780 | #endif | |
781 | } | |
782 | /* | |
783 | * Write the command | |
784 | */ | |
785 | ||
6a3cebb6 OZ |
786 | atp_writeb_io(dev, c, 0x00, workreq->cmd_len); |
787 | atp_writeb_io(dev, c, 0x01, 0x2c); | |
b922a449 | 788 | if (is885(dev)) |
6a3cebb6 OZ |
789 | atp_writeb_io(dev, c, 0x02, 0x7f); |
790 | else | |
791 | atp_writeb_io(dev, c, 0x02, 0xcf); | |
792 | for (i = 0; i < workreq->cmd_len; i++) | |
793 | atp_writeb_io(dev, c, 0x03 + i, workreq->cmnd[i]); | |
794 | atp_writeb_io(dev, c, 0x0f, workreq->device->lun); | |
1da177e4 LT |
795 | /* |
796 | * Write the target | |
797 | */ | |
6a3cebb6 | 798 | atp_writeb_io(dev, c, 0x11, dev->id[c][target_id].devsp); |
1da177e4 LT |
799 | #ifdef ED_DBGP |
800 | printk("dev->id[%d][%d].devsp = %2x\n",c,target_id,dev->id[c][target_id].devsp); | |
801 | #endif | |
fe7ed98f BH |
802 | |
803 | sg_count = scsi_dma_map(workreq); | |
1da177e4 LT |
804 | /* |
805 | * Write transfer size | |
806 | */ | |
6a3cebb6 OZ |
807 | atp_writeb_io(dev, c, 0x12, ((unsigned char *) (&l))[2]); |
808 | atp_writeb_io(dev, c, 0x13, ((unsigned char *) (&l))[1]); | |
809 | atp_writeb_io(dev, c, 0x14, ((unsigned char *) (&l))[0]); | |
1da177e4 LT |
810 | j = target_id; |
811 | dev->id[c][j].last_len = l; | |
812 | dev->id[c][j].tran_len = 0; | |
813 | #ifdef ED_DBGP | |
814 | printk("dev->id[%2d][%2d].last_len = %d\n",c,j,dev->id[c][j].last_len); | |
815 | #endif | |
816 | /* | |
817 | * Flip the wide bits | |
818 | */ | |
819 | if ((j & 0x08) != 0) { | |
820 | j = (j & 0x07) | 0x40; | |
821 | } | |
822 | /* | |
823 | * Check transfer direction | |
824 | */ | |
6a3cebb6 OZ |
825 | if (workreq->sc_data_direction == DMA_TO_DEVICE) |
826 | atp_writeb_io(dev, c, 0x15, j | 0x20); | |
827 | else | |
828 | atp_writeb_io(dev, c, 0x15, j); | |
829 | atp_writeb_io(dev, c, 0x16, atp_readb_io(dev, c, 0x16) | 0x80); | |
830 | atp_writeb_io(dev, c, 0x16, 0x80); | |
1da177e4 LT |
831 | dev->id[c][target_id].dirct = 0; |
832 | if (l == 0) { | |
6a3cebb6 | 833 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
1da177e4 LT |
834 | #ifdef ED_DBGP |
835 | printk("change SCSI_CMD_REG 0x08\n"); | |
836 | #endif | |
6a3cebb6 OZ |
837 | atp_writeb_io(dev, c, 0x18, 0x08); |
838 | } else | |
1da177e4 | 839 | dev->last_cmd[c] |= 0x40; |
1da177e4 LT |
840 | dev->in_snd[c] = 0; |
841 | return; | |
842 | } | |
1da177e4 LT |
843 | prd = dev->id[c][target_id].prd_table; |
844 | dev->id[c][target_id].prd_pos = prd; | |
845 | ||
846 | /* | |
847 | * Now write the request list. Either as scatter/gather or as | |
848 | * a linear chain. | |
849 | */ | |
850 | ||
fe7ed98f BH |
851 | if (l) { |
852 | struct scatterlist *sgpnt; | |
1da177e4 | 853 | i = 0; |
fe7ed98f BH |
854 | scsi_for_each_sg(workreq, sgpnt, sg_count, j) { |
855 | bttl = sg_dma_address(sgpnt); | |
856 | l=sg_dma_len(sgpnt); | |
1da177e4 | 857 | #ifdef ED_DBGP |
fe7ed98f | 858 | printk("1. bttl %x, l %x\n",bttl, l); |
1da177e4 | 859 | #endif |
fe7ed98f | 860 | while (l > 0x10000) { |
1da177e4 LT |
861 | (((u16 *) (prd))[i + 3]) = 0x0000; |
862 | (((u16 *) (prd))[i + 2]) = 0x0000; | |
863 | (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); | |
864 | l -= 0x10000; | |
865 | bttl += 0x10000; | |
866 | i += 0x04; | |
867 | } | |
868 | (((u32 *) (prd))[i >> 1]) = cpu_to_le32(bttl); | |
869 | (((u16 *) (prd))[i + 2]) = cpu_to_le16(l); | |
870 | (((u16 *) (prd))[i + 3]) = 0; | |
871 | i += 0x04; | |
872 | } | |
873 | (((u16 *) (prd))[i - 1]) = cpu_to_le16(0x8000); | |
874 | #ifdef ED_DBGP | |
875 | printk("prd %4x %4x %4x %4x\n",(((unsigned short int *)prd)[0]),(((unsigned short int *)prd)[1]),(((unsigned short int *)prd)[2]),(((unsigned short int *)prd)[3])); | |
876 | printk("2. bttl %x, l %x\n",bttl, l); | |
877 | #endif | |
1da177e4 | 878 | } |
1da177e4 | 879 | #ifdef ED_DBGP |
c2bab403 | 880 | printk("send_s870: prdaddr_2 0x%8x target_id %d\n", dev->id[c][target_id].prdaddr,target_id); |
1da177e4 | 881 | #endif |
b5683557 | 882 | dev->id[c][target_id].prdaddr = dev->id[c][target_id].prd_bus; |
6a3cebb6 OZ |
883 | atp_writel_pci(dev, c, 4, dev->id[c][target_id].prdaddr); |
884 | atp_writeb_pci(dev, c, 2, 0x06); | |
885 | atp_writeb_pci(dev, c, 2, 0x00); | |
b922a449 | 886 | if (is885(dev)) { |
6a3cebb6 | 887 | j = atp_readb_pci(dev, c, 1) & 0xf3; |
1da177e4 LT |
888 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || |
889 | (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) { | |
890 | j |= 0x0c; | |
891 | } | |
6a3cebb6 | 892 | atp_writeb_pci(dev, c, 1, j); |
b922a449 | 893 | } else if (is880(dev)) { |
6a3cebb6 OZ |
894 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
895 | atp_writeb_base(dev, 0x3b, (atp_readb_base(dev, 0x3b) & 0x3f) | 0xc0); | |
896 | else | |
897 | atp_writeb_base(dev, 0x3b, atp_readb_base(dev, 0x3b) & 0x3f); | |
1da177e4 | 898 | } else { |
6a3cebb6 | 899 | if ((workreq->cmnd[0] == 0x08) || (workreq->cmnd[0] == 0x28) || (workreq->cmnd[0] == 0x0a) || (workreq->cmnd[0] == 0x2a)) |
c751d9f1 | 900 | atp_writeb_base(dev, 0x3a, (atp_readb_base(dev, 0x3a) & 0xf3) | 0x08); |
6a3cebb6 | 901 | else |
c751d9f1 | 902 | atp_writeb_base(dev, 0x3a, atp_readb_base(dev, 0x3a) & 0xf3); |
1da177e4 | 903 | } |
1da177e4 LT |
904 | |
905 | if(workreq->sc_data_direction == DMA_TO_DEVICE) { | |
906 | dev->id[c][target_id].dirct = 0x20; | |
6a3cebb6 OZ |
907 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
908 | atp_writeb_io(dev, c, 0x18, 0x08); | |
909 | atp_writeb_pci(dev, c, 0, 0x01); | |
1da177e4 LT |
910 | #ifdef ED_DBGP |
911 | printk( "start DMA(to target)\n"); | |
912 | #endif | |
913 | } else { | |
914 | dev->last_cmd[c] |= 0x40; | |
915 | } | |
916 | dev->in_snd[c] = 0; | |
917 | return; | |
918 | } | |
6a3cebb6 OZ |
919 | if (atp_readb_io(dev, c, 0x1c) == 0) { |
920 | atp_writeb_io(dev, c, 0x18, 0x08); | |
921 | atp_writeb_pci(dev, c, 0, 0x09); | |
1da177e4 LT |
922 | #ifdef ED_DBGP |
923 | printk( "start DMA(to host)\n"); | |
924 | #endif | |
925 | } else { | |
926 | dev->last_cmd[c] |= 0x40; | |
927 | } | |
928 | dev->in_snd[c] = 0; | |
929 | return; | |
930 | ||
931 | } | |
932 | ||
933 | static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val) | |
934 | { | |
1da177e4 LT |
935 | unsigned short int i, k; |
936 | unsigned char j; | |
937 | ||
6a3cebb6 | 938 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 939 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
6a3cebb6 | 940 | k = atp_readw_io(dev, 0, 0x1c); |
1da177e4 | 941 | j = (unsigned char) (k >> 8); |
832e9ac6 OZ |
942 | if ((k & 0x8000) != 0) /* DB7 all release? */ |
943 | i = 0; | |
1da177e4 LT |
944 | } |
945 | *val |= 0x4000; /* assert DB6 */ | |
6a3cebb6 | 946 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 947 | *val &= 0xdfff; /* assert DB5 */ |
6a3cebb6 | 948 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 949 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
6a3cebb6 | 950 | if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) != 0) /* DB5 all release? */ |
832e9ac6 | 951 | i = 0; |
1da177e4 LT |
952 | } |
953 | *val |= 0x8000; /* no DB4-0, assert DB7 */ | |
954 | *val &= 0xe0ff; | |
6a3cebb6 | 955 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 956 | *val &= 0xbfff; /* release DB6 */ |
6a3cebb6 | 957 | atp_writew_io(dev, 0, 0x1c, *val); |
1da177e4 | 958 | for (i = 0; i < 10; i++) { /* stable >= bus settle delay(400 ns) */ |
6a3cebb6 | 959 | if ((atp_readw_io(dev, 0, 0x1c) & 0x4000) != 0) /* DB6 all release? */ |
832e9ac6 | 960 | i = 0; |
1da177e4 LT |
961 | } |
962 | ||
963 | return j; | |
964 | } | |
965 | ||
8177c507 | 966 | static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on) |
1da177e4 LT |
967 | { |
968 | ||
1da177e4 LT |
969 | unsigned char i, j, k; |
970 | unsigned long n; | |
971 | unsigned short int m, assignid_map, val; | |
972 | unsigned char mbuf[33], quintet[2]; | |
973 | struct atp_unit *dev = (struct atp_unit *)&host->hostdata; | |
974 | static unsigned char g2q_tab[8] = { | |
975 | 0x38, 0x31, 0x32, 0x2b, 0x34, 0x2d, 0x2e, 0x27 | |
976 | }; | |
977 | ||
978 | /* I can't believe we need this before we've even done anything. Remove it | |
979 | * and see if anyone bitches. | |
980 | for (i = 0; i < 0x10; i++) { | |
981 | udelay(0xffff); | |
982 | } | |
983 | */ | |
984 | ||
6a3cebb6 OZ |
985 | atp_writeb_io(dev, 0, 1, 0x08); |
986 | atp_writeb_io(dev, 0, 2, 0x7f); | |
987 | atp_writeb_io(dev, 0, 0x11, 0x20); | |
1da177e4 | 988 | |
8177c507 | 989 | if ((scam_on & 0x40) == 0) { |
1da177e4 LT |
990 | return; |
991 | } | |
992 | m = 1; | |
993 | m <<= dev->host_id[0]; | |
994 | j = 16; | |
dd5a5f79 | 995 | if (!wide_chip) { |
1da177e4 LT |
996 | m |= 0xff00; |
997 | j = 8; | |
998 | } | |
999 | assignid_map = m; | |
6a3cebb6 OZ |
1000 | atp_writeb_io(dev, 0, 0x02, 0x02); /* 2*2=4ms,3EH 2/32*3E=3.9ms */ |
1001 | atp_writeb_io(dev, 0, 0x03, 0); | |
1002 | atp_writeb_io(dev, 0, 0x04, 0); | |
1003 | atp_writeb_io(dev, 0, 0x05, 0); | |
1004 | atp_writeb_io(dev, 0, 0x06, 0); | |
1005 | atp_writeb_io(dev, 0, 0x07, 0); | |
1006 | atp_writeb_io(dev, 0, 0x08, 0); | |
1da177e4 LT |
1007 | |
1008 | for (i = 0; i < j; i++) { | |
1009 | m = 1; | |
1010 | m = m << i; | |
1011 | if ((m & assignid_map) != 0) { | |
1012 | continue; | |
1013 | } | |
6a3cebb6 OZ |
1014 | atp_writeb_io(dev, 0, 0x0f, 0); |
1015 | atp_writeb_io(dev, 0, 0x12, 0); | |
1016 | atp_writeb_io(dev, 0, 0x13, 0); | |
1017 | atp_writeb_io(dev, 0, 0x14, 0); | |
1da177e4 LT |
1018 | if (i > 7) { |
1019 | k = (i & 0x07) | 0x40; | |
1020 | } else { | |
1021 | k = i; | |
1022 | } | |
6a3cebb6 | 1023 | atp_writeb_io(dev, 0, 0x15, k); |
dd5a5f79 | 1024 | if (wide_chip) |
6a3cebb6 OZ |
1025 | atp_writeb_io(dev, 0, 0x1b, 0x01); |
1026 | else | |
1027 | atp_writeb_io(dev, 0, 0x1b, 0x00); | |
58c4d046 | 1028 | do { |
6a3cebb6 | 1029 | atp_writeb_io(dev, 0, 0x18, 0x09); |
1da177e4 | 1030 | |
6a3cebb6 | 1031 | while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0x00) |
58c4d046 | 1032 | cpu_relax(); |
6a3cebb6 | 1033 | k = atp_readb_io(dev, 0, 0x17); |
58c4d046 OZ |
1034 | if ((k == 0x85) || (k == 0x42)) |
1035 | break; | |
1036 | if (k != 0x16) | |
6a3cebb6 | 1037 | atp_writeb_io(dev, 0, 0x10, 0x41); |
58c4d046 OZ |
1038 | } while (k != 0x16); |
1039 | if ((k == 0x85) || (k == 0x42)) | |
1040 | continue; | |
1da177e4 LT |
1041 | assignid_map |= m; |
1042 | ||
1043 | } | |
6a3cebb6 OZ |
1044 | atp_writeb_io(dev, 0, 0x02, 0x7f); |
1045 | atp_writeb_io(dev, 0, 0x1b, 0x02); | |
1da177e4 | 1046 | |
2bbbac45 | 1047 | udelay(2); |
1da177e4 LT |
1048 | |
1049 | val = 0x0080; /* bsy */ | |
6a3cebb6 | 1050 | atp_writew_io(dev, 0, 0x1c, val); |
1da177e4 | 1051 | val |= 0x0040; /* sel */ |
6a3cebb6 | 1052 | atp_writew_io(dev, 0, 0x1c, val); |
1da177e4 | 1053 | val |= 0x0004; /* msg */ |
6a3cebb6 | 1054 | atp_writew_io(dev, 0, 0x1c, val); |
2bbbac45 | 1055 | udelay(2); /* 2 deskew delay(45ns*2=90ns) */ |
1da177e4 | 1056 | val &= 0x007f; /* no bsy */ |
6a3cebb6 | 1057 | atp_writew_io(dev, 0, 0x1c, val); |
dcaa0c12 | 1058 | msleep(128); |
1da177e4 | 1059 | val &= 0x00fb; /* after 1ms no msg */ |
6a3cebb6 OZ |
1060 | atp_writew_io(dev, 0, 0x1c, val); |
1061 | while ((atp_readb_io(dev, 0, 0x1c) & 0x04) != 0) | |
58c4d046 | 1062 | ; |
2bbbac45 | 1063 | udelay(2); |
1da177e4 | 1064 | udelay(100); |
c7fcc089 | 1065 | for (n = 0; n < 0x30000; n++) |
6a3cebb6 | 1066 | if ((atp_readb_io(dev, 0, 0x1c) & 0x80) != 0) /* bsy ? */ |
c7fcc089 OZ |
1067 | break; |
1068 | if (n < 0x30000) | |
1069 | for (n = 0; n < 0x30000; n++) | |
6a3cebb6 | 1070 | if ((atp_readb_io(dev, 0, 0x1c) & 0x81) == 0x0081) { |
2bbbac45 | 1071 | udelay(2); |
c7fcc089 | 1072 | val |= 0x8003; /* io,cd,db7 */ |
6a3cebb6 | 1073 | atp_writew_io(dev, 0, 0x1c, val); |
2bbbac45 | 1074 | udelay(2); |
c7fcc089 | 1075 | val &= 0x00bf; /* no sel */ |
6a3cebb6 | 1076 | atp_writew_io(dev, 0, 0x1c, val); |
2bbbac45 | 1077 | udelay(2); |
c7fcc089 OZ |
1078 | break; |
1079 | } | |
1080 | while (1) { | |
0f6d93aa MM |
1081 | /* |
1082 | * The funny division into multiple delays is to accomodate | |
1083 | * arches like ARM where udelay() multiplies its argument by | |
1084 | * a large number to initialize a loop counter. To avoid | |
1085 | * overflow, the maximum supported udelay is 2000 microseconds. | |
1086 | * | |
1087 | * XXX it would be more polite to find a way to use msleep() | |
1088 | */ | |
1089 | mdelay(2); | |
1090 | udelay(48); | |
6a3cebb6 OZ |
1091 | if ((atp_readb_io(dev, 0, 0x1c) & 0x80) == 0x00) { /* bsy ? */ |
1092 | atp_writew_io(dev, 0, 0x1c, 0); | |
1093 | atp_writeb_io(dev, 0, 0x1b, 0); | |
1094 | atp_writeb_io(dev, 0, 0x15, 0); | |
1095 | atp_writeb_io(dev, 0, 0x18, 0x09); | |
1096 | while ((atp_readb_io(dev, 0, 0x1f) & 0x80) == 0) | |
1da177e4 | 1097 | cpu_relax(); |
6a3cebb6 | 1098 | atp_readb_io(dev, 0, 0x17); |
1da177e4 LT |
1099 | return; |
1100 | } | |
1101 | val &= 0x00ff; /* synchronization */ | |
1102 | val |= 0x3f00; | |
1103 | fun_scam(dev, &val); | |
2bbbac45 | 1104 | udelay(2); |
1da177e4 LT |
1105 | val &= 0x00ff; /* isolation */ |
1106 | val |= 0x2000; | |
1107 | fun_scam(dev, &val); | |
2bbbac45 | 1108 | udelay(2); |
1da177e4 LT |
1109 | i = 8; |
1110 | j = 0; | |
c7fcc089 OZ |
1111 | |
1112 | while (1) { | |
6a3cebb6 | 1113 | if ((atp_readw_io(dev, 0, 0x1c) & 0x2000) == 0) |
c7fcc089 | 1114 | continue; |
2bbbac45 | 1115 | udelay(2); |
c7fcc089 OZ |
1116 | val &= 0x00ff; /* get ID_STRING */ |
1117 | val |= 0x2000; | |
1118 | k = fun_scam(dev, &val); | |
1119 | if ((k & 0x03) == 0) | |
1120 | break; | |
1121 | mbuf[j] <<= 0x01; | |
1122 | mbuf[j] &= 0xfe; | |
1123 | if ((k & 0x02) != 0) | |
1124 | mbuf[j] |= 0x01; | |
1125 | i--; | |
1126 | if (i > 0) | |
1127 | continue; | |
1128 | j++; | |
1129 | i = 8; | |
1da177e4 | 1130 | } |
1da177e4 | 1131 | |
c7fcc089 | 1132 | /* isolation complete.. */ |
1da177e4 LT |
1133 | /* mbuf[32]=0; |
1134 | printk(" \n%x %x %x %s\n ",assignid_map,mbuf[0],mbuf[1],&mbuf[2]); */ | |
1135 | i = 15; | |
1136 | j = mbuf[0]; | |
25985edc | 1137 | if ((j & 0x20) != 0) { /* bit5=1:ID up to 7 */ |
1da177e4 LT |
1138 | i = 7; |
1139 | } | |
c7fcc089 OZ |
1140 | if ((j & 0x06) != 0) { /* IDvalid? */ |
1141 | k = mbuf[1]; | |
1142 | while (1) { | |
1143 | m = 1; | |
1144 | m <<= k; | |
1145 | if ((m & assignid_map) == 0) | |
1146 | break; | |
1147 | if (k > 0) | |
1148 | k--; | |
1149 | else | |
1150 | break; | |
1151 | } | |
1da177e4 | 1152 | } |
c7fcc089 OZ |
1153 | if ((m & assignid_map) != 0) { /* srch from max acceptable ID# */ |
1154 | k = i; /* max acceptable ID# */ | |
1155 | while (1) { | |
1156 | m = 1; | |
1157 | m <<= k; | |
1158 | if ((m & assignid_map) == 0) | |
1159 | break; | |
1160 | if (k > 0) | |
1161 | k--; | |
1162 | else | |
1163 | break; | |
1164 | } | |
1da177e4 | 1165 | } |
c7fcc089 | 1166 | /* k=binID#, */ |
1da177e4 LT |
1167 | assignid_map |= m; |
1168 | if (k < 8) { | |
1169 | quintet[0] = 0x38; /* 1st dft ID<8 */ | |
1170 | } else { | |
1171 | quintet[0] = 0x31; /* 1st ID>=8 */ | |
1172 | } | |
1173 | k &= 0x07; | |
1174 | quintet[1] = g2q_tab[k]; | |
1175 | ||
1176 | val &= 0x00ff; /* AssignID 1stQuintet,AH=001xxxxx */ | |
1177 | m = quintet[0] << 8; | |
1178 | val |= m; | |
1179 | fun_scam(dev, &val); | |
1180 | val &= 0x00ff; /* AssignID 2ndQuintet,AH=001xxxxx */ | |
1181 | m = quintet[1] << 8; | |
1182 | val |= m; | |
1183 | fun_scam(dev, &val); | |
1184 | ||
c7fcc089 | 1185 | } |
1da177e4 LT |
1186 | } |
1187 | ||
1da177e4 LT |
1188 | static void atp870u_free_tables(struct Scsi_Host *host) |
1189 | { | |
1190 | struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; | |
1191 | int j, k; | |
1192 | for (j=0; j < 2; j++) { | |
1193 | for (k = 0; k < 16; k++) { | |
1194 | if (!atp_dev->id[j][k].prd_table) | |
1195 | continue; | |
48ecddb4 | 1196 | dma_free_coherent(&atp_dev->pdev->dev, 1024, atp_dev->id[j][k].prd_table, atp_dev->id[j][k].prd_bus); |
1da177e4 LT |
1197 | atp_dev->id[j][k].prd_table = NULL; |
1198 | } | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | static int atp870u_init_tables(struct Scsi_Host *host) | |
1203 | { | |
1204 | struct atp_unit *atp_dev = (struct atp_unit *)&host->hostdata; | |
1205 | int c,k; | |
1206 | for(c=0;c < 2;c++) { | |
1207 | for(k=0;k<16;k++) { | |
48ecddb4 | 1208 | atp_dev->id[c][k].prd_table = dma_alloc_coherent(&atp_dev->pdev->dev, 1024, &(atp_dev->id[c][k].prd_bus), GFP_KERNEL); |
1da177e4 LT |
1209 | if (!atp_dev->id[c][k].prd_table) { |
1210 | printk("atp870u_init_tables fail\n"); | |
1211 | atp870u_free_tables(host); | |
1212 | return -ENOMEM; | |
1213 | } | |
b5683557 | 1214 | atp_dev->id[c][k].prdaddr = atp_dev->id[c][k].prd_bus; |
1da177e4 LT |
1215 | atp_dev->id[c][k].devsp=0x20; |
1216 | atp_dev->id[c][k].devtype = 0x7f; | |
1217 | atp_dev->id[c][k].curr_req = NULL; | |
1218 | } | |
1219 | ||
1220 | atp_dev->active_id[c] = 0; | |
1221 | atp_dev->wide_id[c] = 0; | |
1222 | atp_dev->host_id[c] = 0x07; | |
1223 | atp_dev->quhd[c] = 0; | |
1224 | atp_dev->quend[c] = 0; | |
1225 | atp_dev->last_cmd[c] = 0xff; | |
1226 | atp_dev->in_snd[c] = 0; | |
1227 | atp_dev->in_int[c] = 0; | |
1228 | ||
1229 | for (k = 0; k < qcnt; k++) { | |
1230 | atp_dev->quereq[c][k] = NULL; | |
1231 | } | |
1232 | for (k = 0; k < 16; k++) { | |
1233 | atp_dev->id[c][k].curr_req = NULL; | |
1234 | atp_dev->sp[c][k] = 0x04; | |
1235 | } | |
1236 | } | |
1237 | return 0; | |
1238 | } | |
1239 | ||
6a1961bc OZ |
1240 | static void atp_set_host_id(struct atp_unit *atp, u8 c, u8 host_id) |
1241 | { | |
1242 | atp_writeb_io(atp, c, 0, host_id | 0x08); | |
1243 | atp_writeb_io(atp, c, 0x18, 0); | |
1244 | while ((atp_readb_io(atp, c, 0x1f) & 0x80) == 0) | |
1245 | mdelay(1); | |
1246 | atp_readb_io(atp, c, 0x17); | |
1247 | atp_writeb_io(atp, c, 1, 8); | |
1248 | atp_writeb_io(atp, c, 2, 0x7f); | |
1249 | atp_writeb_io(atp, c, 0x11, 0x20); | |
1250 | } | |
1251 | ||
4190230e OZ |
1252 | static void atp870_init(struct Scsi_Host *shpnt) |
1253 | { | |
1254 | struct atp_unit *atpdev = shost_priv(shpnt); | |
1255 | struct pci_dev *pdev = atpdev->pdev; | |
1256 | unsigned char k, host_id; | |
1257 | u8 scam_on; | |
1258 | bool wide_chip = | |
1259 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7610 && | |
1260 | pdev->revision == 4) || | |
1261 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612UW) || | |
1262 | (pdev->device == PCI_DEVICE_ID_ARTOP_AEC7612SUW); | |
1263 | ||
1264 | pci_read_config_byte(pdev, 0x49, &host_id); | |
1265 | ||
1266 | dev_info(&pdev->dev, "ACARD AEC-671X PCI Ultra/W SCSI-2/3 Host Adapter: IO:%lx, IRQ:%d.\n", | |
1267 | shpnt->io_port, shpnt->irq); | |
1268 | ||
1269 | atpdev->ioport[0] = shpnt->io_port; | |
1270 | atpdev->pciport[0] = shpnt->io_port + 0x20; | |
1271 | host_id &= 0x07; | |
1272 | atpdev->host_id[0] = host_id; | |
1273 | scam_on = atp_readb_pci(atpdev, 0, 2); | |
1274 | atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); | |
1275 | atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); | |
1276 | ||
1277 | if (atpdev->ultra_map[0] == 0) { | |
1278 | scam_on = 0x00; | |
1279 | atpdev->global_map[0] = 0x20; | |
1280 | atpdev->ultra_map[0] = 0xffff; | |
1281 | } | |
1282 | ||
1283 | if (pdev->revision > 0x07) /* check if atp876 chip */ | |
1284 | atp_writeb_base(atpdev, 0x3e, 0x00); /* enable terminator */ | |
1285 | ||
1286 | k = (atp_readb_base(atpdev, 0x3a) & 0xf3) | 0x10; | |
1287 | atp_writeb_base(atpdev, 0x3a, k); | |
1288 | atp_writeb_base(atpdev, 0x3a, k & 0xdf); | |
dcaa0c12 | 1289 | msleep(32); |
4190230e | 1290 | atp_writeb_base(atpdev, 0x3a, k); |
dcaa0c12 | 1291 | msleep(32); |
4190230e OZ |
1292 | atp_set_host_id(atpdev, 0, host_id); |
1293 | ||
1294 | tscam(shpnt, wide_chip, scam_on); | |
1295 | atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); | |
1296 | atp_is(atpdev, 0, wide_chip, 0); | |
1297 | atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); | |
1298 | atp_writeb_base(atpdev, 0x3b, atp_readb_base(atpdev, 0x3b) | 0x20); | |
1299 | shpnt->max_id = wide_chip ? 16 : 8; | |
1300 | shpnt->this_id = host_id; | |
1301 | } | |
1302 | ||
c7e6a029 OZ |
1303 | static void atp880_init(struct Scsi_Host *shpnt) |
1304 | { | |
1305 | struct atp_unit *atpdev = shost_priv(shpnt); | |
1306 | struct pci_dev *pdev = atpdev->pdev; | |
1307 | unsigned char k, m, host_id; | |
1308 | unsigned int n; | |
1309 | ||
1310 | pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80); | |
1311 | ||
1312 | atpdev->ioport[0] = shpnt->io_port + 0x40; | |
1313 | atpdev->pciport[0] = shpnt->io_port + 0x28; | |
1314 | ||
1315 | host_id = atp_readb_base(atpdev, 0x39) >> 4; | |
1316 | ||
1317 | dev_info(&pdev->dev, "ACARD AEC-67160 PCI Ultra3 LVD Host Adapter: IO:%lx, IRQ:%d.\n", | |
1318 | shpnt->io_port, shpnt->irq); | |
1319 | atpdev->host_id[0] = host_id; | |
1320 | ||
1321 | atpdev->global_map[0] = atp_readb_base(atpdev, 0x35); | |
1322 | atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c); | |
1323 | ||
1324 | n = 0x3f09; | |
1325 | while (n < 0x4000) { | |
1326 | m = 0; | |
1327 | atp_writew_base(atpdev, 0x34, n); | |
1328 | n += 0x0002; | |
1329 | if (atp_readb_base(atpdev, 0x30) == 0xff) | |
1330 | break; | |
1331 | ||
1332 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1333 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1334 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1335 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1336 | atp_writew_base(atpdev, 0x34, n); | |
1337 | n += 0x0002; | |
1338 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1339 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1340 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1341 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1342 | atp_writew_base(atpdev, 0x34, n); | |
1343 | n += 0x0002; | |
1344 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1345 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1346 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1347 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1348 | atp_writew_base(atpdev, 0x34, n); | |
1349 | n += 0x0002; | |
1350 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x30); | |
1351 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x31); | |
1352 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x32); | |
1353 | atpdev->sp[0][m++] = atp_readb_base(atpdev, 0x33); | |
1354 | n += 0x0018; | |
1355 | } | |
1356 | atp_writew_base(atpdev, 0x34, 0); | |
1357 | atpdev->ultra_map[0] = 0; | |
1358 | atpdev->async[0] = 0; | |
1359 | for (k = 0; k < 16; k++) { | |
1360 | n = 1 << k; | |
1361 | if (atpdev->sp[0][k] > 1) | |
1362 | atpdev->ultra_map[0] |= n; | |
1363 | else | |
1364 | if (atpdev->sp[0][k] == 0) | |
1365 | atpdev->async[0] |= n; | |
1366 | } | |
1367 | atpdev->async[0] = ~(atpdev->async[0]); | |
1368 | atp_writeb_base(atpdev, 0x35, atpdev->global_map[0]); | |
1369 | ||
1370 | k = atp_readb_base(atpdev, 0x38) & 0x80; | |
1371 | atp_writeb_base(atpdev, 0x38, k); | |
1372 | atp_writeb_base(atpdev, 0x3b, 0x20); | |
dcaa0c12 | 1373 | msleep(32); |
c7e6a029 | 1374 | atp_writeb_base(atpdev, 0x3b, 0); |
dcaa0c12 | 1375 | msleep(32); |
c7e6a029 OZ |
1376 | atp_readb_io(atpdev, 0, 0x1b); |
1377 | atp_readb_io(atpdev, 0, 0x17); | |
1378 | ||
1379 | atp_set_host_id(atpdev, 0, host_id); | |
1380 | ||
1381 | tscam(shpnt, true, atp_readb_base(atpdev, 0x22)); | |
1382 | atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40); | |
1383 | atp_writeb_base(atpdev, 0x38, 0xb0); | |
1384 | shpnt->max_id = 16; | |
1385 | shpnt->this_id = host_id; | |
1386 | } | |
1387 | ||
ecc6ff95 OZ |
1388 | static void atp885_init(struct Scsi_Host *shpnt) |
1389 | { | |
1390 | struct atp_unit *atpdev = shost_priv(shpnt); | |
1391 | struct pci_dev *pdev = atpdev->pdev; | |
1392 | unsigned char k, m, c; | |
1393 | unsigned int n; | |
1394 | unsigned char setupdata[2][16]; | |
1395 | ||
1396 | dev_info(&pdev->dev, "ACARD AEC-67162 PCI Ultra3 LVD Host Adapter: IO:%lx, IRQ:%d.\n", | |
1397 | shpnt->io_port, shpnt->irq); | |
1398 | ||
1399 | atpdev->ioport[0] = shpnt->io_port + 0x80; | |
1400 | atpdev->ioport[1] = shpnt->io_port + 0xc0; | |
1401 | atpdev->pciport[0] = shpnt->io_port + 0x40; | |
1402 | atpdev->pciport[1] = shpnt->io_port + 0x50; | |
1403 | ||
1404 | c = atp_readb_base(atpdev, 0x29); | |
1405 | atp_writeb_base(atpdev, 0x29, c | 0x04); | |
1406 | ||
1407 | n = 0x1f80; | |
1408 | while (n < 0x2000) { | |
1409 | atp_writew_base(atpdev, 0x3c, n); | |
1410 | if (atp_readl_base(atpdev, 0x38) == 0xffffffff) | |
1411 | break; | |
1412 | for (m = 0; m < 2; m++) { | |
1413 | atpdev->global_map[m] = 0; | |
1414 | for (k = 0; k < 4; k++) { | |
1415 | atp_writew_base(atpdev, 0x3c, n++); | |
29e79e0f | 1416 | ((u32 *)&setupdata[m][0])[k] = atp_readl_base(atpdev, 0x38); |
ecc6ff95 OZ |
1417 | } |
1418 | for (k = 0; k < 4; k++) { | |
1419 | atp_writew_base(atpdev, 0x3c, n++); | |
29e79e0f | 1420 | ((u32 *)&atpdev->sp[m][0])[k] = atp_readl_base(atpdev, 0x38); |
ecc6ff95 OZ |
1421 | } |
1422 | n += 8; | |
1423 | } | |
1424 | } | |
1425 | c = atp_readb_base(atpdev, 0x29); | |
1426 | atp_writeb_base(atpdev, 0x29, c & 0xfb); | |
1427 | for (c = 0; c < 2; c++) { | |
1428 | atpdev->ultra_map[c] = 0; | |
1429 | atpdev->async[c] = 0; | |
1430 | for (k = 0; k < 16; k++) { | |
1431 | n = 1 << k; | |
1432 | if (atpdev->sp[c][k] > 1) | |
1433 | atpdev->ultra_map[c] |= n; | |
1434 | else | |
1435 | if (atpdev->sp[c][k] == 0) | |
1436 | atpdev->async[c] |= n; | |
1437 | } | |
1438 | atpdev->async[c] = ~(atpdev->async[c]); | |
1439 | ||
1440 | if (atpdev->global_map[c] == 0) { | |
1441 | k = setupdata[c][1]; | |
1442 | if ((k & 0x40) != 0) | |
1443 | atpdev->global_map[c] |= 0x20; | |
1444 | k &= 0x07; | |
1445 | atpdev->global_map[c] |= k; | |
1446 | if ((setupdata[c][2] & 0x04) != 0) | |
1447 | atpdev->global_map[c] |= 0x08; | |
1448 | atpdev->host_id[c] = setupdata[c][0] & 0x07; | |
1449 | } | |
1450 | } | |
1451 | ||
1452 | k = atp_readb_base(atpdev, 0x28) & 0x8f; | |
1453 | k |= 0x10; | |
1454 | atp_writeb_base(atpdev, 0x28, k); | |
1455 | atp_writeb_pci(atpdev, 0, 1, 0x80); | |
1456 | atp_writeb_pci(atpdev, 1, 1, 0x80); | |
dcaa0c12 | 1457 | msleep(100); |
ecc6ff95 OZ |
1458 | atp_writeb_pci(atpdev, 0, 1, 0); |
1459 | atp_writeb_pci(atpdev, 1, 1, 0); | |
dcaa0c12 | 1460 | msleep(1000); |
ecc6ff95 OZ |
1461 | atp_readb_io(atpdev, 0, 0x1b); |
1462 | atp_readb_io(atpdev, 0, 0x17); | |
1463 | atp_readb_io(atpdev, 1, 0x1b); | |
1464 | atp_readb_io(atpdev, 1, 0x17); | |
1465 | ||
1466 | k = atpdev->host_id[0]; | |
1467 | if (k > 7) | |
1468 | k = (k & 0x07) | 0x40; | |
1469 | atp_set_host_id(atpdev, 0, k); | |
1470 | ||
1471 | k = atpdev->host_id[1]; | |
1472 | if (k > 7) | |
1473 | k = (k & 0x07) | 0x40; | |
1474 | atp_set_host_id(atpdev, 1, k); | |
1475 | ||
dcaa0c12 | 1476 | msleep(600); /* this delay used to be called tscam_885() */ |
ecc6ff95 OZ |
1477 | dev_info(&pdev->dev, "Scanning Channel A SCSI Device ...\n"); |
1478 | atp_is(atpdev, 0, true, atp_readb_io(atpdev, 0, 0x1b) >> 7); | |
1479 | atp_writeb_io(atpdev, 0, 0x16, 0x80); | |
1480 | dev_info(&pdev->dev, "Scanning Channel B SCSI Device ...\n"); | |
1481 | atp_is(atpdev, 1, true, atp_readb_io(atpdev, 1, 0x1b) >> 7); | |
1482 | atp_writeb_io(atpdev, 1, 0x16, 0x80); | |
1483 | k = atp_readb_base(atpdev, 0x28) & 0xcf; | |
1484 | k |= 0xc0; | |
1485 | atp_writeb_base(atpdev, 0x28, k); | |
1486 | k = atp_readb_base(atpdev, 0x1f) | 0x80; | |
1487 | atp_writeb_base(atpdev, 0x1f, k); | |
1488 | k = atp_readb_base(atpdev, 0x29) | 0x01; | |
1489 | atp_writeb_base(atpdev, 0x29, k); | |
1490 | shpnt->max_id = 16; | |
1491 | shpnt->max_lun = (atpdev->global_map[0] & 0x07) + 1; | |
1492 | shpnt->max_channel = 1; | |
1493 | shpnt->this_id = atpdev->host_id[0]; | |
1494 | } | |
1495 | ||
1da177e4 LT |
1496 | /* return non-zero on detection */ |
1497 | static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) | |
1498 | { | |
1da177e4 | 1499 | struct Scsi_Host *shpnt = NULL; |
bdd5ac40 | 1500 | struct atp_unit *atpdev; |
bdd5ac40 | 1501 | int err; |
dc6a78f1 | 1502 | |
b1e85063 OZ |
1503 | if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision < 2) { |
1504 | dev_err(&pdev->dev, "ATP850S chips (AEC6710L/F cards) are not supported.\n"); | |
1505 | return -ENODEV; | |
1506 | } | |
1507 | ||
bdd5ac40 OZ |
1508 | err = pci_enable_device(pdev); |
1509 | if (err) | |
1510 | goto fail; | |
1da177e4 | 1511 | |
48ecddb4 | 1512 | if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { |
1da177e4 | 1513 | printk(KERN_ERR "atp870u: DMA mask required but not available.\n"); |
bdd5ac40 OZ |
1514 | err = -EIO; |
1515 | goto disable_device; | |
1da177e4 LT |
1516 | } |
1517 | ||
11ec1318 OZ |
1518 | err = pci_request_regions(pdev, "atp870u"); |
1519 | if (err) | |
1520 | goto disable_device; | |
1521 | pci_set_master(pdev); | |
1522 | ||
bdd5ac40 OZ |
1523 | err = -ENOMEM; |
1524 | shpnt = scsi_host_alloc(&atp870u_template, sizeof(struct atp_unit)); | |
1525 | if (!shpnt) | |
11ec1318 | 1526 | goto release_region; |
bdd5ac40 OZ |
1527 | |
1528 | atpdev = shost_priv(shpnt); | |
1529 | ||
1530 | atpdev->host = shpnt; | |
1531 | atpdev->pdev = pdev; | |
1532 | pci_set_drvdata(pdev, atpdev); | |
1533 | ||
6c9b9c55 OZ |
1534 | shpnt->io_port = pci_resource_start(pdev, 0); |
1535 | shpnt->io_port &= 0xfffffff8; | |
1536 | shpnt->n_io_port = pci_resource_len(pdev, 0); | |
1537 | atpdev->baseport = shpnt->io_port; | |
1538 | shpnt->unique_id = shpnt->io_port; | |
1539 | shpnt->irq = pdev->irq; | |
dc6a78f1 | 1540 | |
f5f53a38 OZ |
1541 | err = atp870u_init_tables(shpnt); |
1542 | if (err) { | |
1543 | dev_err(&pdev->dev, "Unable to allocate tables for Acard controller\n"); | |
1544 | goto unregister; | |
1545 | } | |
1546 | ||
c7e6a029 OZ |
1547 | if (is880(atpdev)) |
1548 | atp880_init(shpnt); | |
ecc6ff95 OZ |
1549 | else if (is885(atpdev)) |
1550 | atp885_init(shpnt); | |
4190230e OZ |
1551 | else |
1552 | atp870_init(shpnt); | |
1da177e4 | 1553 | |
1729c0d2 OZ |
1554 | err = request_irq(shpnt->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt); |
1555 | if (err) { | |
1556 | dev_err(&pdev->dev, "Unable to allocate IRQ %d.\n", shpnt->irq); | |
1557 | goto free_tables; | |
1558 | } | |
1559 | ||
1560 | err = scsi_add_host(shpnt, &pdev->dev); | |
1561 | if (err) | |
1562 | goto scsi_add_fail; | |
1563 | scsi_scan_host(shpnt); | |
1564 | ||
1565 | return 0; | |
1da177e4 LT |
1566 | |
1567 | scsi_add_fail: | |
6c9b9c55 | 1568 | free_irq(shpnt->irq, shpnt); |
1da177e4 | 1569 | free_tables: |
1da177e4 LT |
1570 | atp870u_free_tables(shpnt); |
1571 | unregister: | |
1da177e4 | 1572 | scsi_host_put(shpnt); |
11ec1318 OZ |
1573 | release_region: |
1574 | pci_release_regions(pdev); | |
bdd5ac40 OZ |
1575 | disable_device: |
1576 | pci_disable_device(pdev); | |
1577 | fail: | |
1578 | return err; | |
1da177e4 LT |
1579 | } |
1580 | ||
1581 | /* The abort command does not leave the device in a clean state where | |
1582 | it is available to be used again. Until this gets worked out, we will | |
1583 | leave it commented out. */ | |
1584 | ||
1585 | static int atp870u_abort(struct scsi_cmnd * SCpnt) | |
1586 | { | |
1587 | unsigned char j, k, c; | |
1588 | struct scsi_cmnd *workrequ; | |
1da177e4 LT |
1589 | struct atp_unit *dev; |
1590 | struct Scsi_Host *host; | |
1591 | host = SCpnt->device->host; | |
1592 | ||
1593 | dev = (struct atp_unit *)&host->hostdata; | |
422c0d61 | 1594 | c = scmd_channel(SCpnt); |
1da177e4 LT |
1595 | printk(" atp870u: abort Channel = %x \n", c); |
1596 | printk("working=%x last_cmd=%x ", dev->working[c], dev->last_cmd[c]); | |
1597 | printk(" quhdu=%x quendu=%x ", dev->quhd[c], dev->quend[c]); | |
1da177e4 | 1598 | for (j = 0; j < 0x18; j++) { |
6a3cebb6 | 1599 | printk(" r%2x=%2x", j, atp_readb_io(dev, c, j)); |
1da177e4 | 1600 | } |
6a3cebb6 OZ |
1601 | printk(" r1c=%2x", atp_readb_io(dev, c, 0x1c)); |
1602 | printk(" r1f=%2x in_snd=%2x ", atp_readb_io(dev, c, 0x1f), dev->in_snd[c]); | |
1603 | printk(" d00=%2x", atp_readb_pci(dev, c, 0x00)); | |
1604 | printk(" d02=%2x", atp_readb_pci(dev, c, 0x02)); | |
1da177e4 LT |
1605 | for(j=0;j<16;j++) { |
1606 | if (dev->id[c][j].curr_req != NULL) { | |
1607 | workrequ = dev->id[c][j].curr_req; | |
1608 | printk("\n que cdb= "); | |
1609 | for (k=0; k < workrequ->cmd_len; k++) { | |
1610 | printk(" %2x ",workrequ->cmnd[k]); | |
1611 | } | |
1612 | printk(" last_lenu= %x ",(unsigned int)dev->id[c][j].last_len); | |
1613 | } | |
1614 | } | |
1615 | return SUCCESS; | |
1616 | } | |
1617 | ||
1618 | static const char *atp870u_info(struct Scsi_Host *notused) | |
1619 | { | |
1620 | static char buffer[128]; | |
1621 | ||
1622 | strcpy(buffer, "ACARD AEC-6710/6712/67160 PCI Ultra/W/LVD SCSI-3 Adapter Driver V2.6+ac "); | |
1623 | ||
1624 | return buffer; | |
1625 | } | |
1626 | ||
d773e422 | 1627 | static int atp870u_show_info(struct seq_file *m, struct Scsi_Host *HBAptr) |
1da177e4 | 1628 | { |
3d30079c RV |
1629 | seq_puts(m, "ACARD AEC-671X Driver Version: 2.6+ac\n\n" |
1630 | "Adapter Configuration:\n"); | |
d773e422 AV |
1631 | seq_printf(m, " Base IO: %#.4lx\n", HBAptr->io_port); |
1632 | seq_printf(m, " IRQ: %d\n", HBAptr->irq); | |
1633 | return 0; | |
1da177e4 LT |
1634 | } |
1635 | ||
1636 | ||
1637 | static int atp870u_biosparam(struct scsi_device *disk, struct block_device *dev, | |
1638 | sector_t capacity, int *ip) | |
1639 | { | |
1640 | int heads, sectors, cylinders; | |
1641 | ||
1642 | heads = 64; | |
1643 | sectors = 32; | |
1644 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1645 | if (cylinders > 1024) { | |
1646 | heads = 255; | |
1647 | sectors = 63; | |
1648 | cylinders = (unsigned long)capacity / (heads * sectors); | |
1649 | } | |
1650 | ip[0] = heads; | |
1651 | ip[1] = sectors; | |
1652 | ip[2] = cylinders; | |
1653 | ||
1654 | return 0; | |
1655 | } | |
1656 | ||
1657 | static void atp870u_remove (struct pci_dev *pdev) | |
1658 | { | |
1659 | struct atp_unit *devext = pci_get_drvdata(pdev); | |
1660 | struct Scsi_Host *pshost = devext->host; | |
1661 | ||
1662 | ||
1663 | scsi_remove_host(pshost); | |
1da177e4 | 1664 | free_irq(pshost->irq, pshost); |
11ec1318 OZ |
1665 | pci_release_regions(pdev); |
1666 | pci_disable_device(pdev); | |
1da177e4 | 1667 | atp870u_free_tables(pshost); |
1da177e4 | 1668 | scsi_host_put(pshost); |
1da177e4 LT |
1669 | } |
1670 | MODULE_LICENSE("GPL"); | |
1671 | ||
1672 | static struct scsi_host_template atp870u_template = { | |
1673 | .module = THIS_MODULE, | |
1674 | .name = "atp870u" /* name */, | |
1675 | .proc_name = "atp870u", | |
d773e422 | 1676 | .show_info = atp870u_show_info, |
1da177e4 LT |
1677 | .info = atp870u_info /* info */, |
1678 | .queuecommand = atp870u_queuecommand /* queuecommand */, | |
1679 | .eh_abort_handler = atp870u_abort /* abort */, | |
1680 | .bios_param = atp870u_biosparam /* biosparm */, | |
1681 | .can_queue = qcnt /* can_queue */, | |
1682 | .this_id = 7 /* SCSI ID */, | |
35c33633 | 1683 | .sg_tablesize = ATP870U_SCATTER /*SG_ALL*/, |
1da177e4 LT |
1684 | .max_sectors = ATP870U_MAX_SECTORS, |
1685 | }; | |
1686 | ||
1687 | static struct pci_device_id atp870u_id_table[] = { | |
1688 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP885_DEVID) }, | |
1689 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID1) }, | |
1690 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, ATP880_DEVID2) }, | |
1691 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7610) }, | |
1692 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612UW) }, | |
1693 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612U) }, | |
1694 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612S) }, | |
1695 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612D) }, | |
1696 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_AEC7612SUW) }, | |
1697 | { PCI_DEVICE(PCI_VENDOR_ID_ARTOP, PCI_DEVICE_ID_ARTOP_8060) }, | |
1698 | { 0, }, | |
1699 | }; | |
1700 | ||
1701 | MODULE_DEVICE_TABLE(pci, atp870u_id_table); | |
1702 | ||
1703 | static struct pci_driver atp870u_driver = { | |
1704 | .id_table = atp870u_id_table, | |
1705 | .name = "atp870u", | |
1706 | .probe = atp870u_probe, | |
6f039790 | 1707 | .remove = atp870u_remove, |
1da177e4 LT |
1708 | }; |
1709 | ||
1ccd7d68 | 1710 | module_pci_driver(atp870u_driver); |
1da177e4 | 1711 | |
4192a40f | 1712 | static void atp_is(struct atp_unit *dev, unsigned char c, bool wide_chip, unsigned char lvdmode) |
1da177e4 | 1713 | { |
fa50b308 | 1714 | unsigned char i, j, k, rmb, n; |
1da177e4 LT |
1715 | unsigned short int m; |
1716 | static unsigned char mbuf[512]; | |
80b52a7f OZ |
1717 | static unsigned char satn[9] = { 0, 0, 0, 0, 0, 0, 0, 6, 6 }; |
1718 | static unsigned char inqd[9] = { 0x12, 0, 0, 0, 0x24, 0, 0, 0x24, 6 }; | |
1719 | static unsigned char synn[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; | |
1720 | unsigned char synu[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; | |
1721 | static unsigned char synw[6] = { 0x80, 1, 3, 1, 0x19, 0x0e }; | |
460da918 | 1722 | static unsigned char synw_870[6] = { 0x80, 1, 3, 1, 0x0c, 0x07 }; |
80b52a7f OZ |
1723 | unsigned char synuw[6] = { 0x80, 1, 3, 1, 0x0a, 0x0e }; |
1724 | static unsigned char wide[6] = { 0x80, 1, 2, 3, 1, 0 }; | |
1725 | static unsigned char u3[9] = { 0x80, 1, 6, 4, 0x09, 00, 0x0e, 0x01, 0x02 }; | |
1da177e4 | 1726 | |
1da177e4 | 1727 | for (i = 0; i < 16; i++) { |
197fb8d8 OZ |
1728 | if (!wide_chip && (i > 7)) |
1729 | break; | |
1da177e4 LT |
1730 | m = 1; |
1731 | m = m << i; | |
1732 | if ((m & dev->active_id[c]) != 0) { | |
1733 | continue; | |
1734 | } | |
1735 | if (i == dev->host_id[c]) { | |
1736 | printk(KERN_INFO " ID: %2d Host Adapter\n", dev->host_id[c]); | |
1737 | continue; | |
1738 | } | |
197fb8d8 | 1739 | atp_writeb_io(dev, c, 0x1b, wide_chip ? 0x01 : 0x00); |
5d2a5a4f OZ |
1740 | atp_writeb_io(dev, c, 1, 0x08); |
1741 | atp_writeb_io(dev, c, 2, 0x7f); | |
1742 | atp_writeb_io(dev, c, 3, satn[0]); | |
1743 | atp_writeb_io(dev, c, 4, satn[1]); | |
1744 | atp_writeb_io(dev, c, 5, satn[2]); | |
1745 | atp_writeb_io(dev, c, 6, satn[3]); | |
1746 | atp_writeb_io(dev, c, 7, satn[4]); | |
1747 | atp_writeb_io(dev, c, 8, satn[5]); | |
1748 | atp_writeb_io(dev, c, 0x0f, 0); | |
1749 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
5d2a5a4f OZ |
1750 | atp_writeb_io(dev, c, 0x12, 0); |
1751 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
1752 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
1da177e4 LT |
1753 | j = i; |
1754 | if ((j & 0x08) != 0) { | |
1755 | j = (j & 0x07) | 0x40; | |
1756 | } | |
5d2a5a4f OZ |
1757 | atp_writeb_io(dev, c, 0x15, j); |
1758 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
1da177e4 | 1759 | |
5d2a5a4f | 1760 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1761 | cpu_relax(); |
80b52a7f OZ |
1762 | |
1763 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 1764 | continue; |
80b52a7f | 1765 | |
5d2a5a4f | 1766 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 1767 | cpu_relax(); |
80b52a7f | 1768 | |
1da177e4 LT |
1769 | dev->active_id[c] |= m; |
1770 | ||
5d2a5a4f | 1771 | atp_writeb_io(dev, c, 0x10, 0x30); |
b922a449 | 1772 | if (is885(dev) || is880(dev)) |
460da918 OZ |
1773 | atp_writeb_io(dev, c, 0x14, 0x00); |
1774 | else /* result of is870() merge - is this a bug? */ | |
1775 | atp_writeb_io(dev, c, 0x04, 0x00); | |
1da177e4 LT |
1776 | |
1777 | phase_cmd: | |
5d2a5a4f | 1778 | atp_writeb_io(dev, c, 0x18, 0x08); |
80b52a7f | 1779 | |
5d2a5a4f | 1780 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1781 | cpu_relax(); |
80b52a7f | 1782 | |
5d2a5a4f | 1783 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 | 1784 | if (j != 0x16) { |
5d2a5a4f | 1785 | atp_writeb_io(dev, c, 0x10, 0x41); |
1da177e4 LT |
1786 | goto phase_cmd; |
1787 | } | |
1788 | sel_ok: | |
5d2a5a4f OZ |
1789 | atp_writeb_io(dev, c, 3, inqd[0]); |
1790 | atp_writeb_io(dev, c, 4, inqd[1]); | |
1791 | atp_writeb_io(dev, c, 5, inqd[2]); | |
1792 | atp_writeb_io(dev, c, 6, inqd[3]); | |
1793 | atp_writeb_io(dev, c, 7, inqd[4]); | |
1794 | atp_writeb_io(dev, c, 8, inqd[5]); | |
1795 | atp_writeb_io(dev, c, 0x0f, 0); | |
1796 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
1797 | atp_writeb_io(dev, c, 0x12, 0); | |
1798 | atp_writeb_io(dev, c, 0x13, inqd[6]); | |
1799 | atp_writeb_io(dev, c, 0x14, inqd[7]); | |
1800 | atp_writeb_io(dev, c, 0x18, inqd[8]); | |
80b52a7f | 1801 | |
5d2a5a4f | 1802 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1803 | cpu_relax(); |
80b52a7f OZ |
1804 | |
1805 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 1806 | continue; |
80b52a7f | 1807 | |
5d2a5a4f | 1808 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 1809 | cpu_relax(); |
80b52a7f | 1810 | |
197fb8d8 OZ |
1811 | if (wide_chip) |
1812 | atp_writeb_io(dev, c, 0x1b, 0x00); | |
1813 | ||
5d2a5a4f | 1814 | atp_writeb_io(dev, c, 0x18, 0x08); |
1da177e4 LT |
1815 | j = 0; |
1816 | rd_inq_data: | |
5d2a5a4f | 1817 | k = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 1818 | if ((k & 0x01) != 0) { |
5d2a5a4f | 1819 | mbuf[j++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
1820 | goto rd_inq_data; |
1821 | } | |
1822 | if ((k & 0x80) == 0) { | |
1823 | goto rd_inq_data; | |
1824 | } | |
5d2a5a4f | 1825 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
1826 | if (j == 0x16) { |
1827 | goto inq_ok; | |
1828 | } | |
5d2a5a4f OZ |
1829 | atp_writeb_io(dev, c, 0x10, 0x46); |
1830 | atp_writeb_io(dev, c, 0x12, 0); | |
1831 | atp_writeb_io(dev, c, 0x13, 0); | |
1832 | atp_writeb_io(dev, c, 0x14, 0); | |
1833 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 1834 | |
5d2a5a4f | 1835 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 1836 | cpu_relax(); |
80b52a7f OZ |
1837 | |
1838 | if (atp_readb_io(dev, c, 0x17) != 0x16) | |
1da177e4 | 1839 | goto sel_ok; |
80b52a7f | 1840 | |
1da177e4 LT |
1841 | inq_ok: |
1842 | mbuf[36] = 0; | |
80b52a7f | 1843 | printk(KERN_INFO " ID: %2d %s\n", i, &mbuf[8]); |
1da177e4 LT |
1844 | dev->id[c][i].devtype = mbuf[0]; |
1845 | rmb = mbuf[1]; | |
1846 | n = mbuf[7]; | |
197fb8d8 OZ |
1847 | if (!wide_chip) |
1848 | goto not_wide; | |
1da177e4 LT |
1849 | if ((mbuf[7] & 0x60) == 0) { |
1850 | goto not_wide; | |
1851 | } | |
b922a449 | 1852 | if (is885(dev) || is880(dev)) { |
197fb8d8 OZ |
1853 | if ((i < 8) && ((dev->global_map[c] & 0x20) == 0)) |
1854 | goto not_wide; | |
1855 | } else { /* result of is870() merge - is this a bug? */ | |
1856 | if ((dev->global_map[c] & 0x20) == 0) | |
1857 | goto not_wide; | |
1da177e4 LT |
1858 | } |
1859 | if (lvdmode == 0) { | |
80b52a7f | 1860 | goto chg_wide; |
1da177e4 | 1861 | } |
80b52a7f OZ |
1862 | if (dev->sp[c][i] != 0x04) // force u2 |
1863 | { | |
1864 | goto chg_wide; | |
1da177e4 LT |
1865 | } |
1866 | ||
5d2a5a4f OZ |
1867 | atp_writeb_io(dev, c, 0x1b, 0x01); |
1868 | atp_writeb_io(dev, c, 3, satn[0]); | |
1869 | atp_writeb_io(dev, c, 4, satn[1]); | |
1870 | atp_writeb_io(dev, c, 5, satn[2]); | |
1871 | atp_writeb_io(dev, c, 6, satn[3]); | |
1872 | atp_writeb_io(dev, c, 7, satn[4]); | |
1873 | atp_writeb_io(dev, c, 8, satn[5]); | |
1874 | atp_writeb_io(dev, c, 0x0f, 0); | |
1875 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
1876 | atp_writeb_io(dev, c, 0x12, 0); | |
1877 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
1878 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
1879 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
1880 | ||
1881 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) | |
1da177e4 | 1882 | cpu_relax(); |
80b52a7f OZ |
1883 | |
1884 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 1885 | continue; |
80b52a7f | 1886 | |
5d2a5a4f | 1887 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 1888 | cpu_relax(); |
80b52a7f | 1889 | |
1da177e4 LT |
1890 | try_u3: |
1891 | j = 0; | |
5d2a5a4f OZ |
1892 | atp_writeb_io(dev, c, 0x14, 0x09); |
1893 | atp_writeb_io(dev, c, 0x18, 0x20); | |
e2c22b45 | 1894 | |
5d2a5a4f OZ |
1895 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
1896 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
1897 | atp_writeb_io(dev, c, 0x19, u3[j++]); | |
1da177e4 LT |
1898 | cpu_relax(); |
1899 | } | |
80b52a7f | 1900 | |
5d2a5a4f | 1901 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
1da177e4 | 1902 | cpu_relax(); |
80b52a7f | 1903 | |
5d2a5a4f | 1904 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
1905 | if (j == 0x0f) { |
1906 | goto u3p_in; | |
1907 | } | |
1908 | if (j == 0x0a) { | |
1909 | goto u3p_cmd; | |
1910 | } | |
1911 | if (j == 0x0e) { | |
1912 | goto try_u3; | |
1913 | } | |
1914 | continue; | |
1915 | u3p_out: | |
5d2a5a4f OZ |
1916 | atp_writeb_io(dev, c, 0x18, 0x20); |
1917 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { | |
1918 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
1919 | atp_writeb_io(dev, c, 0x19, 0); | |
1da177e4 LT |
1920 | cpu_relax(); |
1921 | } | |
5d2a5a4f | 1922 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
1923 | if (j == 0x0f) { |
1924 | goto u3p_in; | |
1925 | } | |
1926 | if (j == 0x0a) { | |
1927 | goto u3p_cmd; | |
1928 | } | |
1929 | if (j == 0x0e) { | |
1930 | goto u3p_out; | |
1931 | } | |
1932 | continue; | |
1933 | u3p_in: | |
5d2a5a4f OZ |
1934 | atp_writeb_io(dev, c, 0x14, 0x09); |
1935 | atp_writeb_io(dev, c, 0x18, 0x20); | |
1da177e4 LT |
1936 | k = 0; |
1937 | u3p_in1: | |
5d2a5a4f | 1938 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 1939 | if ((j & 0x01) != 0) { |
5d2a5a4f | 1940 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
1941 | goto u3p_in1; |
1942 | } | |
1943 | if ((j & 0x80) == 0x00) { | |
1944 | goto u3p_in1; | |
1945 | } | |
5d2a5a4f | 1946 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
1947 | if (j == 0x0f) { |
1948 | goto u3p_in; | |
1949 | } | |
1950 | if (j == 0x0a) { | |
1951 | goto u3p_cmd; | |
1952 | } | |
1953 | if (j == 0x0e) { | |
1954 | goto u3p_out; | |
1955 | } | |
1956 | continue; | |
1957 | u3p_cmd: | |
5d2a5a4f OZ |
1958 | atp_writeb_io(dev, c, 0x10, 0x30); |
1959 | atp_writeb_io(dev, c, 0x14, 0x00); | |
1960 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 1961 | |
5d2a5a4f | 1962 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00); |
80b52a7f | 1963 | |
5d2a5a4f | 1964 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
1965 | if (j != 0x16) { |
1966 | if (j == 0x4e) { | |
1967 | goto u3p_out; | |
1968 | } | |
1969 | continue; | |
1970 | } | |
1971 | if (mbuf[0] != 0x01) { | |
1972 | goto chg_wide; | |
1973 | } | |
1974 | if (mbuf[1] != 0x06) { | |
1975 | goto chg_wide; | |
1976 | } | |
1977 | if (mbuf[2] != 0x04) { | |
1978 | goto chg_wide; | |
1979 | } | |
1980 | if (mbuf[3] == 0x09) { | |
1981 | m = 1; | |
1982 | m = m << i; | |
1983 | dev->wide_id[c] |= m; | |
1984 | dev->id[c][i].devsp = 0xce; | |
1985 | #ifdef ED_DBGP | |
1986 | printk("dev->id[%2d][%2d].devsp = %2x\n",c,i,dev->id[c][i].devsp); | |
1987 | #endif | |
1988 | continue; | |
1989 | } | |
1990 | chg_wide: | |
5d2a5a4f OZ |
1991 | atp_writeb_io(dev, c, 0x1b, 0x01); |
1992 | atp_writeb_io(dev, c, 3, satn[0]); | |
1993 | atp_writeb_io(dev, c, 4, satn[1]); | |
1994 | atp_writeb_io(dev, c, 5, satn[2]); | |
1995 | atp_writeb_io(dev, c, 6, satn[3]); | |
1996 | atp_writeb_io(dev, c, 7, satn[4]); | |
1997 | atp_writeb_io(dev, c, 8, satn[5]); | |
1998 | atp_writeb_io(dev, c, 0x0f, 0); | |
1999 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
2000 | atp_writeb_io(dev, c, 0x12, 0); | |
2001 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
2002 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
2003 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
2004 | ||
2005 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) | |
1da177e4 | 2006 | cpu_relax(); |
80b52a7f OZ |
2007 | |
2008 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 2009 | continue; |
80b52a7f | 2010 | |
5d2a5a4f | 2011 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 2012 | cpu_relax(); |
80b52a7f | 2013 | |
1da177e4 LT |
2014 | try_wide: |
2015 | j = 0; | |
5d2a5a4f OZ |
2016 | atp_writeb_io(dev, c, 0x14, 0x05); |
2017 | atp_writeb_io(dev, c, 0x18, 0x20); | |
e2c22b45 | 2018 | |
5d2a5a4f OZ |
2019 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
2020 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
2021 | atp_writeb_io(dev, c, 0x19, wide[j++]); | |
1da177e4 LT |
2022 | cpu_relax(); |
2023 | } | |
80b52a7f | 2024 | |
5d2a5a4f | 2025 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
1da177e4 | 2026 | cpu_relax(); |
80b52a7f | 2027 | |
5d2a5a4f | 2028 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2029 | if (j == 0x0f) { |
2030 | goto widep_in; | |
2031 | } | |
2032 | if (j == 0x0a) { | |
2033 | goto widep_cmd; | |
2034 | } | |
2035 | if (j == 0x0e) { | |
2036 | goto try_wide; | |
2037 | } | |
2038 | continue; | |
2039 | widep_out: | |
5d2a5a4f OZ |
2040 | atp_writeb_io(dev, c, 0x18, 0x20); |
2041 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { | |
2042 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) | |
2043 | atp_writeb_io(dev, c, 0x19, 0); | |
1da177e4 LT |
2044 | cpu_relax(); |
2045 | } | |
5d2a5a4f | 2046 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2047 | if (j == 0x0f) { |
2048 | goto widep_in; | |
2049 | } | |
2050 | if (j == 0x0a) { | |
2051 | goto widep_cmd; | |
2052 | } | |
2053 | if (j == 0x0e) { | |
2054 | goto widep_out; | |
2055 | } | |
2056 | continue; | |
2057 | widep_in: | |
5d2a5a4f OZ |
2058 | atp_writeb_io(dev, c, 0x14, 0xff); |
2059 | atp_writeb_io(dev, c, 0x18, 0x20); | |
1da177e4 LT |
2060 | k = 0; |
2061 | widep_in1: | |
5d2a5a4f | 2062 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 2063 | if ((j & 0x01) != 0) { |
5d2a5a4f | 2064 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
2065 | goto widep_in1; |
2066 | } | |
2067 | if ((j & 0x80) == 0x00) { | |
2068 | goto widep_in1; | |
2069 | } | |
5d2a5a4f | 2070 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2071 | if (j == 0x0f) { |
2072 | goto widep_in; | |
2073 | } | |
2074 | if (j == 0x0a) { | |
2075 | goto widep_cmd; | |
2076 | } | |
2077 | if (j == 0x0e) { | |
2078 | goto widep_out; | |
2079 | } | |
2080 | continue; | |
2081 | widep_cmd: | |
5d2a5a4f OZ |
2082 | atp_writeb_io(dev, c, 0x10, 0x30); |
2083 | atp_writeb_io(dev, c, 0x14, 0x00); | |
2084 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 2085 | |
5d2a5a4f | 2086 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 2087 | cpu_relax(); |
80b52a7f | 2088 | |
5d2a5a4f | 2089 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2090 | if (j != 0x16) { |
2091 | if (j == 0x4e) { | |
2092 | goto widep_out; | |
2093 | } | |
2094 | continue; | |
2095 | } | |
2096 | if (mbuf[0] != 0x01) { | |
2097 | goto not_wide; | |
2098 | } | |
2099 | if (mbuf[1] != 0x02) { | |
2100 | goto not_wide; | |
2101 | } | |
2102 | if (mbuf[2] != 0x03) { | |
2103 | goto not_wide; | |
2104 | } | |
2105 | if (mbuf[3] != 0x01) { | |
2106 | goto not_wide; | |
2107 | } | |
2108 | m = 1; | |
2109 | m = m << i; | |
2110 | dev->wide_id[c] |= m; | |
2111 | not_wide: | |
80b52a7f | 2112 | if ((dev->id[c][i].devtype == 0x00) || (dev->id[c][i].devtype == 0x07) || ((dev->id[c][i].devtype == 0x05) && ((n & 0x10) != 0))) { |
1da177e4 LT |
2113 | m = 1; |
2114 | m = m << i; | |
2115 | if ((dev->async[c] & m) != 0) { | |
80b52a7f | 2116 | goto set_sync; |
1da177e4 LT |
2117 | } |
2118 | } | |
2119 | continue; | |
2120 | set_sync: | |
b922a449 | 2121 | if ((!is885(dev) && !is880(dev)) || (dev->sp[c][i] == 0x02)) { |
80b52a7f OZ |
2122 | synu[4] = 0x0c; |
2123 | synuw[4] = 0x0c; | |
1da177e4 | 2124 | } else { |
80b52a7f OZ |
2125 | if (dev->sp[c][i] >= 0x03) { |
2126 | synu[4] = 0x0a; | |
2127 | synuw[4] = 0x0a; | |
2128 | } | |
1da177e4 | 2129 | } |
1da177e4 LT |
2130 | j = 0; |
2131 | if ((m & dev->wide_id[c]) != 0) { | |
2132 | j |= 0x01; | |
2133 | } | |
5d2a5a4f OZ |
2134 | atp_writeb_io(dev, c, 0x1b, j); |
2135 | atp_writeb_io(dev, c, 3, satn[0]); | |
2136 | atp_writeb_io(dev, c, 4, satn[1]); | |
2137 | atp_writeb_io(dev, c, 5, satn[2]); | |
2138 | atp_writeb_io(dev, c, 6, satn[3]); | |
2139 | atp_writeb_io(dev, c, 7, satn[4]); | |
2140 | atp_writeb_io(dev, c, 8, satn[5]); | |
2141 | atp_writeb_io(dev, c, 0x0f, 0); | |
2142 | atp_writeb_io(dev, c, 0x11, dev->id[c][i].devsp); | |
2143 | atp_writeb_io(dev, c, 0x12, 0); | |
2144 | atp_writeb_io(dev, c, 0x13, satn[6]); | |
2145 | atp_writeb_io(dev, c, 0x14, satn[7]); | |
2146 | atp_writeb_io(dev, c, 0x18, satn[8]); | |
2147 | ||
2148 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) | |
1da177e4 | 2149 | cpu_relax(); |
80b52a7f OZ |
2150 | |
2151 | if (atp_readb_io(dev, c, 0x17) != 0x11 && atp_readb_io(dev, c, 0x17) != 0x8e) | |
1da177e4 | 2152 | continue; |
80b52a7f | 2153 | |
5d2a5a4f | 2154 | while (atp_readb_io(dev, c, 0x17) != 0x8e) |
1da177e4 | 2155 | cpu_relax(); |
80b52a7f | 2156 | |
1da177e4 LT |
2157 | try_sync: |
2158 | j = 0; | |
5d2a5a4f OZ |
2159 | atp_writeb_io(dev, c, 0x14, 0x06); |
2160 | atp_writeb_io(dev, c, 0x18, 0x20); | |
e2c22b45 | 2161 | |
5d2a5a4f OZ |
2162 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0) { |
2163 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0) { | |
1da177e4 | 2164 | if ((m & dev->wide_id[c]) != 0) { |
b922a449 | 2165 | if (is885(dev) || is880(dev)) { |
460da918 OZ |
2166 | if ((m & dev->ultra_map[c]) != 0) { |
2167 | atp_writeb_io(dev, c, 0x19, synuw[j++]); | |
2168 | } else { | |
2169 | atp_writeb_io(dev, c, 0x19, synw[j++]); | |
2170 | } | |
2171 | } else | |
2172 | atp_writeb_io(dev, c, 0x19, synw_870[j++]); | |
1da177e4 LT |
2173 | } else { |
2174 | if ((m & dev->ultra_map[c]) != 0) { | |
5d2a5a4f | 2175 | atp_writeb_io(dev, c, 0x19, synu[j++]); |
1da177e4 | 2176 | } else { |
5d2a5a4f | 2177 | atp_writeb_io(dev, c, 0x19, synn[j++]); |
1da177e4 LT |
2178 | } |
2179 | } | |
1da177e4 LT |
2180 | } |
2181 | } | |
80b52a7f | 2182 | |
5d2a5a4f | 2183 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00) |
1da177e4 | 2184 | cpu_relax(); |
80b52a7f | 2185 | |
5d2a5a4f | 2186 | j = atp_readb_io(dev, c, 0x17) & 0x0f; |
1da177e4 LT |
2187 | if (j == 0x0f) { |
2188 | goto phase_ins; | |
2189 | } | |
2190 | if (j == 0x0a) { | |
2191 | goto phase_cmds; | |
2192 | } | |
2193 | if (j == 0x0e) { | |
2194 | goto try_sync; | |
2195 | } | |
2196 | continue; | |
2197 | phase_outs: | |
5d2a5a4f OZ |
2198 | atp_writeb_io(dev, c, 0x18, 0x20); |
2199 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) { | |
2200 | if ((atp_readb_io(dev, c, 0x1f) & 0x01) != 0x00) | |
2201 | atp_writeb_io(dev, c, 0x19, 0x00); | |
1da177e4 LT |
2202 | cpu_relax(); |
2203 | } | |
5d2a5a4f | 2204 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2205 | if (j == 0x85) { |
2206 | goto tar_dcons; | |
2207 | } | |
2208 | j &= 0x0f; | |
2209 | if (j == 0x0f) { | |
2210 | goto phase_ins; | |
2211 | } | |
2212 | if (j == 0x0a) { | |
2213 | goto phase_cmds; | |
2214 | } | |
2215 | if (j == 0x0e) { | |
2216 | goto phase_outs; | |
2217 | } | |
2218 | continue; | |
2219 | phase_ins: | |
b922a449 | 2220 | if (is885(dev) || is880(dev)) |
460da918 OZ |
2221 | atp_writeb_io(dev, c, 0x14, 0x06); |
2222 | else | |
2223 | atp_writeb_io(dev, c, 0x14, 0xff); | |
5d2a5a4f | 2224 | atp_writeb_io(dev, c, 0x18, 0x20); |
1da177e4 LT |
2225 | k = 0; |
2226 | phase_ins1: | |
5d2a5a4f | 2227 | j = atp_readb_io(dev, c, 0x1f); |
1da177e4 | 2228 | if ((j & 0x01) != 0x00) { |
5d2a5a4f | 2229 | mbuf[k++] = atp_readb_io(dev, c, 0x19); |
1da177e4 LT |
2230 | goto phase_ins1; |
2231 | } | |
2232 | if ((j & 0x80) == 0x00) { | |
2233 | goto phase_ins1; | |
2234 | } | |
80b52a7f | 2235 | |
5d2a5a4f | 2236 | while ((atp_readb_io(dev, c, 0x17) & 0x80) == 0x00); |
80b52a7f | 2237 | |
5d2a5a4f | 2238 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2239 | if (j == 0x85) { |
2240 | goto tar_dcons; | |
2241 | } | |
2242 | j &= 0x0f; | |
2243 | if (j == 0x0f) { | |
2244 | goto phase_ins; | |
2245 | } | |
2246 | if (j == 0x0a) { | |
2247 | goto phase_cmds; | |
2248 | } | |
2249 | if (j == 0x0e) { | |
2250 | goto phase_outs; | |
2251 | } | |
2252 | continue; | |
2253 | phase_cmds: | |
5d2a5a4f | 2254 | atp_writeb_io(dev, c, 0x10, 0x30); |
1da177e4 | 2255 | tar_dcons: |
5d2a5a4f OZ |
2256 | atp_writeb_io(dev, c, 0x14, 0x00); |
2257 | atp_writeb_io(dev, c, 0x18, 0x08); | |
80b52a7f | 2258 | |
5d2a5a4f | 2259 | while ((atp_readb_io(dev, c, 0x1f) & 0x80) == 0x00) |
1da177e4 | 2260 | cpu_relax(); |
80b52a7f | 2261 | |
5d2a5a4f | 2262 | j = atp_readb_io(dev, c, 0x17); |
1da177e4 LT |
2263 | if (j != 0x16) { |
2264 | continue; | |
2265 | } | |
2266 | if (mbuf[0] != 0x01) { | |
2267 | continue; | |
2268 | } | |
2269 | if (mbuf[1] != 0x03) { | |
2270 | continue; | |
2271 | } | |
2272 | if (mbuf[4] == 0x00) { | |
2273 | continue; | |
2274 | } | |
2275 | if (mbuf[3] > 0x64) { | |
2276 | continue; | |
2277 | } | |
b922a449 | 2278 | if (is885(dev) || is880(dev)) { |
460da918 OZ |
2279 | if (mbuf[4] > 0x0e) { |
2280 | mbuf[4] = 0x0e; | |
2281 | } | |
2282 | } else { | |
2283 | if (mbuf[4] > 0x0c) { | |
2284 | mbuf[4] = 0x0c; | |
2285 | } | |
1da177e4 LT |
2286 | } |
2287 | dev->id[c][i].devsp = mbuf[4]; | |
b922a449 | 2288 | if (is885(dev) || is880(dev)) |
460da918 OZ |
2289 | if (mbuf[3] < 0x0c) { |
2290 | j = 0xb0; | |
2291 | goto set_syn_ok; | |
2292 | } | |
1da177e4 LT |
2293 | if ((mbuf[3] < 0x0d) && (rmb == 0)) { |
2294 | j = 0xa0; | |
2295 | goto set_syn_ok; | |
2296 | } | |
2297 | if (mbuf[3] < 0x1a) { | |
2298 | j = 0x20; | |
2299 | goto set_syn_ok; | |
2300 | } | |
2301 | if (mbuf[3] < 0x33) { | |
2302 | j = 0x40; | |
2303 | goto set_syn_ok; | |
2304 | } | |
2305 | if (mbuf[3] < 0x4c) { | |
2306 | j = 0x50; | |
2307 | goto set_syn_ok; | |
2308 | } | |
2309 | j = 0x60; | |
80b52a7f | 2310 | set_syn_ok: |
1da177e4 | 2311 | dev->id[c][i].devsp = (dev->id[c][i].devsp & 0x0f) | j; |
80b52a7f | 2312 | #ifdef ED_DBGP |
1da177e4 LT |
2313 | printk("dev->id[%2d][%2d].devsp = %2x\n",c,i,dev->id[c][i].devsp); |
2314 | #endif | |
2315 | } | |
1da177e4 | 2316 | } |