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Commit | Line | Data |
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d19770e5 ST |
1 | /* |
2 | * Driver for the Conexant CX23885 PCIe bridge | |
3 | * | |
4 | * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/init.h> | |
23 | #include <linux/list.h> | |
24 | #include <linux/module.h> | |
25 | #include <linux/moduleparam.h> | |
26 | #include <linux/kmod.h> | |
27 | #include <linux/kernel.h> | |
28 | #include <linux/slab.h> | |
29 | #include <linux/interrupt.h> | |
30 | #include <linux/delay.h> | |
31 | #include <asm/div64.h> | |
32 | ||
33 | #include "cx23885.h" | |
34 | ||
35 | MODULE_DESCRIPTION("Driver for cx23885 based TV cards"); | |
36 | MODULE_AUTHOR("Steven Toth <stoth@hauppauge.com>"); | |
37 | MODULE_LICENSE("GPL"); | |
38 | ||
39 | static unsigned int debug = 0; | |
40 | module_param(debug,int,0644); | |
41 | MODULE_PARM_DESC(debug,"enable debug messages"); | |
42 | ||
43 | static unsigned int card[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET }; | |
44 | module_param_array(card, int, NULL, 0444); | |
45 | MODULE_PARM_DESC(card,"card type"); | |
46 | ||
47 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
48 | printk(KERN_DEBUG "%s/0: " fmt, dev->name , ## arg) | |
49 | ||
50 | static unsigned int cx23885_devcount; | |
51 | ||
52 | static DEFINE_MUTEX(devlist); | |
53 | static LIST_HEAD(cx23885_devlist); | |
54 | ||
55 | #define NO_SYNC_LINE (-1U) | |
56 | ||
57 | /* | |
58 | * CX23885 Assumptions | |
59 | * 1 line = 16 bytes of CDT | |
60 | * cmds size = 80 | |
61 | * cdt size = 16 * linesize | |
62 | * iqsize = 64 | |
63 | * maxlines = 6 | |
64 | * | |
65 | * Address Space: | |
66 | * 0x00000000 0x00008fff FIFO clusters | |
67 | * 0x00010000 0x000104af Channel Management Data Structures | |
68 | * 0x000104b0 0x000104ff Free | |
69 | * 0x00010500 0x000108bf 15 channels * iqsize | |
70 | * 0x000108c0 0x000108ff Free | |
71 | * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables | |
72 | * 15 channels * (iqsize + (maxlines * linesize)) | |
73 | * 0x00010ea0 0x00010xxx Free | |
74 | */ | |
75 | ||
39e75cfe | 76 | static struct sram_channel cx23885_sram_channels[] = { |
d19770e5 ST |
77 | [SRAM_CH01] = { |
78 | .name = "test ch1", | |
79 | .cmds_start = 0x10000, | |
80 | .ctrl_start = 0x10500, | |
81 | .cdt = 0x10900, | |
82 | .fifo_start = 0x3000, | |
83 | .fifo_size = 0x1000, | |
84 | .ptr1_reg = DMA1_PTR1, | |
85 | .ptr2_reg = DMA1_PTR2, | |
86 | .cnt1_reg = DMA1_CNT1, | |
87 | .cnt2_reg = DMA1_CNT2, | |
88 | .jumponly = 1, | |
89 | }, | |
90 | [SRAM_CH02] = { | |
91 | .name = "ch2", | |
92 | .cmds_start = 0x0, | |
93 | .ctrl_start = 0x0, | |
94 | .cdt = 0x0, | |
95 | .fifo_start = 0x0, | |
96 | .fifo_size = 0x0, | |
97 | .ptr1_reg = DMA2_PTR1, | |
98 | .ptr2_reg = DMA2_PTR2, | |
99 | .cnt1_reg = DMA2_CNT1, | |
100 | .cnt2_reg = DMA2_CNT2, | |
101 | }, | |
102 | [SRAM_CH03] = { | |
579f1163 ST |
103 | .name = "TS1 B", |
104 | .cmds_start = 0x100A0, | |
105 | .ctrl_start = 0x10780, | |
106 | .cdt = 0x10400, | |
107 | .fifo_start = 0x5000, | |
108 | .fifo_size = 0x1000, | |
d19770e5 ST |
109 | .ptr1_reg = DMA3_PTR1, |
110 | .ptr2_reg = DMA3_PTR2, | |
111 | .cnt1_reg = DMA3_CNT1, | |
112 | .cnt2_reg = DMA3_CNT2, | |
113 | }, | |
114 | [SRAM_CH04] = { | |
115 | .name = "ch4", | |
116 | .cmds_start = 0x0, | |
117 | .ctrl_start = 0x0, | |
118 | .cdt = 0x0, | |
119 | .fifo_start = 0x0, | |
120 | .fifo_size = 0x0, | |
121 | .ptr1_reg = DMA4_PTR1, | |
122 | .ptr2_reg = DMA4_PTR2, | |
123 | .cnt1_reg = DMA4_CNT1, | |
124 | .cnt2_reg = DMA4_CNT2, | |
125 | }, | |
126 | [SRAM_CH05] = { | |
127 | .name = "ch5", | |
128 | .cmds_start = 0x0, | |
129 | .ctrl_start = 0x0, | |
130 | .cdt = 0x0, | |
131 | .fifo_start = 0x0, | |
132 | .fifo_size = 0x0, | |
133 | .ptr1_reg = DMA5_PTR1, | |
134 | .ptr2_reg = DMA5_PTR2, | |
135 | .cnt1_reg = DMA5_CNT1, | |
136 | .cnt2_reg = DMA5_CNT2, | |
137 | }, | |
138 | [SRAM_CH06] = { | |
139 | .name = "TS2 C", | |
140 | .cmds_start = 0x10140, | |
141 | .ctrl_start = 0x10680, | |
142 | .cdt = 0x10480, | |
143 | .fifo_start = 0x6000, | |
144 | .fifo_size = 0x1000, | |
145 | .ptr1_reg = DMA5_PTR1, | |
146 | .ptr2_reg = DMA5_PTR2, | |
147 | .cnt1_reg = DMA5_CNT1, | |
148 | .cnt2_reg = DMA5_CNT2, | |
149 | }, | |
150 | [SRAM_CH07] = { | |
151 | .name = "ch7", | |
152 | .cmds_start = 0x0, | |
153 | .ctrl_start = 0x0, | |
154 | .cdt = 0x0, | |
155 | .fifo_start = 0x0, | |
156 | .fifo_size = 0x0, | |
157 | .ptr1_reg = DMA6_PTR1, | |
158 | .ptr2_reg = DMA6_PTR2, | |
159 | .cnt1_reg = DMA6_CNT1, | |
160 | .cnt2_reg = DMA6_CNT2, | |
161 | }, | |
162 | [SRAM_CH08] = { | |
163 | .name = "ch8", | |
164 | .cmds_start = 0x0, | |
165 | .ctrl_start = 0x0, | |
166 | .cdt = 0x0, | |
167 | .fifo_start = 0x0, | |
168 | .fifo_size = 0x0, | |
169 | .ptr1_reg = DMA7_PTR1, | |
170 | .ptr2_reg = DMA7_PTR2, | |
171 | .cnt1_reg = DMA7_CNT1, | |
172 | .cnt2_reg = DMA7_CNT2, | |
173 | }, | |
174 | [SRAM_CH09] = { | |
175 | .name = "ch9", | |
176 | .cmds_start = 0x0, | |
177 | .ctrl_start = 0x0, | |
178 | .cdt = 0x0, | |
179 | .fifo_start = 0x0, | |
180 | .fifo_size = 0x0, | |
181 | .ptr1_reg = DMA8_PTR1, | |
182 | .ptr2_reg = DMA8_PTR2, | |
183 | .cnt1_reg = DMA8_CNT1, | |
184 | .cnt2_reg = DMA8_CNT2, | |
185 | }, | |
186 | }; | |
187 | ||
188 | /* FIXME, these allocations will change when | |
189 | * analog arrives. The be reviewed. | |
190 | * CX23887 Assumptions | |
191 | * 1 line = 16 bytes of CDT | |
192 | * cmds size = 80 | |
193 | * cdt size = 16 * linesize | |
194 | * iqsize = 64 | |
195 | * maxlines = 6 | |
196 | * | |
197 | * Address Space: | |
198 | * 0x00000000 0x00008fff FIFO clusters | |
199 | * 0x00010000 0x000104af Channel Management Data Structures | |
200 | * 0x000104b0 0x000104ff Free | |
201 | * 0x00010500 0x000108bf 15 channels * iqsize | |
202 | * 0x000108c0 0x000108ff Free | |
203 | * 0x00010900 0x00010e9f IQ's + Cluster Descriptor Tables | |
204 | * 15 channels * (iqsize + (maxlines * linesize)) | |
205 | * 0x00010ea0 0x00010xxx Free | |
206 | */ | |
207 | ||
39e75cfe | 208 | static struct sram_channel cx23887_sram_channels[] = { |
d19770e5 ST |
209 | [SRAM_CH01] = { |
210 | .name = "test ch1", | |
211 | .cmds_start = 0x0, | |
212 | .ctrl_start = 0x0, | |
213 | .cdt = 0x0, | |
214 | .fifo_start = 0x0, | |
215 | .fifo_size = 0x0, | |
216 | .ptr1_reg = DMA1_PTR1, | |
217 | .ptr2_reg = DMA1_PTR2, | |
218 | .cnt1_reg = DMA1_CNT1, | |
219 | .cnt2_reg = DMA1_CNT2, | |
220 | }, | |
221 | [SRAM_CH02] = { | |
222 | .name = "ch2", | |
223 | .cmds_start = 0x0, | |
224 | .ctrl_start = 0x0, | |
225 | .cdt = 0x0, | |
226 | .fifo_start = 0x0, | |
227 | .fifo_size = 0x0, | |
228 | .ptr1_reg = DMA2_PTR1, | |
229 | .ptr2_reg = DMA2_PTR2, | |
230 | .cnt1_reg = DMA2_CNT1, | |
231 | .cnt2_reg = DMA2_CNT2, | |
232 | }, | |
233 | [SRAM_CH03] = { | |
234 | .name = "ch3", | |
235 | .cmds_start = 0x0, | |
236 | .ctrl_start = 0x0, | |
237 | .cdt = 0x0, | |
238 | .fifo_start = 0x0, | |
239 | .fifo_size = 0x0, | |
240 | .ptr1_reg = DMA3_PTR1, | |
241 | .ptr2_reg = DMA3_PTR2, | |
242 | .cnt1_reg = DMA3_CNT1, | |
243 | .cnt2_reg = DMA3_CNT2, | |
244 | }, | |
245 | [SRAM_CH04] = { | |
246 | .name = "ch4", | |
247 | .cmds_start = 0x0, | |
248 | .ctrl_start = 0x0, | |
249 | .cdt = 0x0, | |
250 | .fifo_start = 0x0, | |
251 | .fifo_size = 0x0, | |
252 | .ptr1_reg = DMA4_PTR1, | |
253 | .ptr2_reg = DMA4_PTR2, | |
254 | .cnt1_reg = DMA4_CNT1, | |
255 | .cnt2_reg = DMA4_CNT2, | |
256 | }, | |
257 | [SRAM_CH05] = { | |
258 | .name = "ch5", | |
259 | .cmds_start = 0x0, | |
260 | .ctrl_start = 0x0, | |
261 | .cdt = 0x0, | |
262 | .fifo_start = 0x0, | |
263 | .fifo_size = 0x0, | |
264 | .ptr1_reg = DMA5_PTR1, | |
265 | .ptr2_reg = DMA5_PTR2, | |
266 | .cnt1_reg = DMA5_CNT1, | |
267 | .cnt2_reg = DMA5_CNT2, | |
268 | }, | |
269 | [SRAM_CH06] = { | |
270 | .name = "TS2 C", | |
271 | .cmds_start = 0x10140, | |
272 | .ctrl_start = 0x10680, | |
3bd40659 | 273 | .cdt = 0x108d0, |
d19770e5 ST |
274 | .fifo_start = 0x6000, |
275 | .fifo_size = 0x1000, | |
276 | .ptr1_reg = DMA5_PTR1, | |
277 | .ptr2_reg = DMA5_PTR2, | |
278 | .cnt1_reg = DMA5_CNT1, | |
279 | .cnt2_reg = DMA5_CNT2, | |
280 | }, | |
281 | [SRAM_CH07] = { | |
282 | .name = "ch7", | |
283 | .cmds_start = 0x0, | |
284 | .ctrl_start = 0x0, | |
285 | .cdt = 0x0, | |
286 | .fifo_start = 0x0, | |
287 | .fifo_size = 0x0, | |
288 | .ptr1_reg = DMA6_PTR1, | |
289 | .ptr2_reg = DMA6_PTR2, | |
290 | .cnt1_reg = DMA6_CNT1, | |
291 | .cnt2_reg = DMA6_CNT2, | |
292 | }, | |
293 | [SRAM_CH08] = { | |
294 | .name = "ch8", | |
295 | .cmds_start = 0x0, | |
296 | .ctrl_start = 0x0, | |
297 | .cdt = 0x0, | |
298 | .fifo_start = 0x0, | |
299 | .fifo_size = 0x0, | |
300 | .ptr1_reg = DMA7_PTR1, | |
301 | .ptr2_reg = DMA7_PTR2, | |
302 | .cnt1_reg = DMA7_CNT1, | |
303 | .cnt2_reg = DMA7_CNT2, | |
304 | }, | |
305 | [SRAM_CH09] = { | |
306 | .name = "ch9", | |
307 | .cmds_start = 0x0, | |
308 | .ctrl_start = 0x0, | |
309 | .cdt = 0x0, | |
310 | .fifo_start = 0x0, | |
311 | .fifo_size = 0x0, | |
312 | .ptr1_reg = DMA8_PTR1, | |
313 | .ptr2_reg = DMA8_PTR2, | |
314 | .cnt1_reg = DMA8_CNT1, | |
315 | .cnt2_reg = DMA8_CNT2, | |
316 | }, | |
317 | }; | |
318 | ||
319 | static int cx23885_risc_decode(u32 risc) | |
320 | { | |
321 | static char *instr[16] = { | |
322 | [ RISC_SYNC >> 28 ] = "sync", | |
323 | [ RISC_WRITE >> 28 ] = "write", | |
324 | [ RISC_WRITEC >> 28 ] = "writec", | |
325 | [ RISC_READ >> 28 ] = "read", | |
326 | [ RISC_READC >> 28 ] = "readc", | |
327 | [ RISC_JUMP >> 28 ] = "jump", | |
328 | [ RISC_SKIP >> 28 ] = "skip", | |
329 | [ RISC_WRITERM >> 28 ] = "writerm", | |
330 | [ RISC_WRITECM >> 28 ] = "writecm", | |
331 | [ RISC_WRITECR >> 28 ] = "writecr", | |
332 | }; | |
333 | static int incr[16] = { | |
2df9a4c2 ST |
334 | [ RISC_WRITE >> 28 ] = 3, |
335 | [ RISC_JUMP >> 28 ] = 3, | |
d19770e5 ST |
336 | [ RISC_SKIP >> 28 ] = 1, |
337 | [ RISC_SYNC >> 28 ] = 1, | |
338 | [ RISC_WRITERM >> 28 ] = 3, | |
339 | [ RISC_WRITECM >> 28 ] = 3, | |
340 | [ RISC_WRITECR >> 28 ] = 4, | |
341 | }; | |
342 | static char *bits[] = { | |
343 | "12", "13", "14", "resync", | |
344 | "cnt0", "cnt1", "18", "19", | |
345 | "20", "21", "22", "23", | |
346 | "irq1", "irq2", "eol", "sol", | |
347 | }; | |
348 | int i; | |
349 | ||
350 | printk("0x%08x [ %s", risc, | |
351 | instr[risc >> 28] ? instr[risc >> 28] : "INVALID"); | |
44a6481d | 352 | for (i = ARRAY_SIZE(bits) - 1; i >= 0; i--) |
d19770e5 | 353 | if (risc & (1 << (i + 12))) |
44a6481d | 354 | printk(" %s", bits[i]); |
d19770e5 ST |
355 | printk(" count=%d ]\n", risc & 0xfff); |
356 | return incr[risc >> 28] ? incr[risc >> 28] : 1; | |
357 | } | |
358 | ||
39e75cfe AB |
359 | static void cx23885_wakeup(struct cx23885_tsport *port, |
360 | struct cx23885_dmaqueue *q, u32 count) | |
d19770e5 ST |
361 | { |
362 | struct cx23885_dev *dev = port->dev; | |
363 | struct cx23885_buffer *buf; | |
364 | int bc; | |
365 | ||
366 | for (bc = 0;; bc++) { | |
367 | if (list_empty(&q->active)) | |
368 | break; | |
369 | buf = list_entry(q->active.next, | |
370 | struct cx23885_buffer, vb.queue); | |
2e52f215 | 371 | |
d19770e5 ST |
372 | /* count comes from the hw and is is 16bit wide -- |
373 | * this trick handles wrap-arounds correctly for | |
374 | * up to 32767 buffers in flight... */ | |
375 | if ((s16) (count - buf->count) < 0) | |
376 | break; | |
2e52f215 | 377 | |
d19770e5 | 378 | do_gettimeofday(&buf->vb.ts); |
44a6481d | 379 | dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf, buf->vb.i, |
d19770e5 | 380 | count, buf->count); |
0fc0686e | 381 | buf->vb.state = VIDEOBUF_DONE; |
d19770e5 ST |
382 | list_del(&buf->vb.queue); |
383 | wake_up(&buf->vb.done); | |
384 | } | |
385 | if (list_empty(&q->active)) { | |
386 | del_timer(&q->timeout); | |
387 | } else { | |
44a6481d | 388 | mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); |
d19770e5 ST |
389 | } |
390 | if (bc != 1) | |
44a6481d MK |
391 | printk("%s: %d buffers handled (should be 1)\n", |
392 | __FUNCTION__, bc); | |
d19770e5 | 393 | } |
d19770e5 | 394 | |
39e75cfe AB |
395 | static int cx23885_sram_channel_setup(struct cx23885_dev *dev, |
396 | struct sram_channel *ch, | |
397 | unsigned int bpl, u32 risc) | |
d19770e5 | 398 | { |
44a6481d | 399 | unsigned int i, lines; |
d19770e5 ST |
400 | u32 cdt; |
401 | ||
402 | if (ch->cmds_start == 0) | |
403 | { | |
44a6481d MK |
404 | dprintk(1, "%s() Erasing channel [%s]\n", __FUNCTION__, |
405 | ch->name); | |
d19770e5 ST |
406 | cx_write(ch->ptr1_reg, 0); |
407 | cx_write(ch->ptr2_reg, 0); | |
408 | cx_write(ch->cnt2_reg, 0); | |
409 | cx_write(ch->cnt1_reg, 0); | |
410 | return 0; | |
411 | } else { | |
44a6481d MK |
412 | dprintk(1, "%s() Configuring channel [%s]\n", __FUNCTION__, |
413 | ch->name); | |
d19770e5 ST |
414 | } |
415 | ||
416 | bpl = (bpl + 7) & ~7; /* alignment */ | |
417 | cdt = ch->cdt; | |
418 | lines = ch->fifo_size / bpl; | |
419 | if (lines > 6) | |
420 | lines = 6; | |
421 | BUG_ON(lines < 2); | |
422 | ||
44a6481d MK |
423 | cx_write(8 + 0, cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC) ); |
424 | cx_write(8 + 4, cpu_to_le32(8) ); | |
425 | cx_write(8 + 8, cpu_to_le32(0) ); | |
d19770e5 ST |
426 | |
427 | /* write CDT */ | |
428 | for (i = 0; i < lines; i++) { | |
44a6481d MK |
429 | dprintk(2, "%s() 0x%08x <- 0x%08x\n", __FUNCTION__, cdt + 16*i, |
430 | ch->fifo_start + bpl*i); | |
d19770e5 ST |
431 | cx_write(cdt + 16*i, ch->fifo_start + bpl*i); |
432 | cx_write(cdt + 16*i + 4, 0); | |
433 | cx_write(cdt + 16*i + 8, 0); | |
434 | cx_write(cdt + 16*i + 12, 0); | |
435 | } | |
436 | ||
437 | /* write CMDS */ | |
438 | if (ch->jumponly) | |
439 | cx_write(ch->cmds_start + 0, 8); | |
440 | else | |
441 | cx_write(ch->cmds_start + 0, risc); | |
442 | cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */ | |
443 | cx_write(ch->cmds_start + 8, cdt); | |
444 | cx_write(ch->cmds_start + 12, (lines*16) >> 3); | |
445 | cx_write(ch->cmds_start + 16, ch->ctrl_start); | |
446 | if (ch->jumponly) | |
447 | cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2) ); | |
448 | else | |
449 | cx_write(ch->cmds_start + 20, 64 >> 2); | |
450 | for (i = 24; i < 80; i += 4) | |
451 | cx_write(ch->cmds_start + i, 0); | |
452 | ||
453 | /* fill registers */ | |
454 | cx_write(ch->ptr1_reg, ch->fifo_start); | |
455 | cx_write(ch->ptr2_reg, cdt); | |
456 | cx_write(ch->cnt2_reg, (lines*16) >> 3); | |
457 | cx_write(ch->cnt1_reg, (bpl >> 3) -1); | |
458 | ||
e133be0f ST |
459 | dprintk(2,"[bridge %d] sram setup %s: bpl=%d lines=%d\n", |
460 | dev->bridge, | |
d19770e5 ST |
461 | ch->name, |
462 | bpl, | |
463 | lines); | |
464 | ||
465 | return 0; | |
466 | } | |
467 | ||
39e75cfe AB |
468 | static void cx23885_sram_channel_dump(struct cx23885_dev *dev, |
469 | struct sram_channel *ch) | |
d19770e5 ST |
470 | { |
471 | static char *name[] = { | |
472 | "init risc lo", | |
473 | "init risc hi", | |
474 | "cdt base", | |
475 | "cdt size", | |
476 | "iq base", | |
477 | "iq size", | |
478 | "risc pc lo", | |
479 | "risc pc hi", | |
480 | "iq wr ptr", | |
481 | "iq rd ptr", | |
482 | "cdt current", | |
483 | "pci target lo", | |
484 | "pci target hi", | |
485 | "line / byte", | |
486 | }; | |
487 | u32 risc; | |
44a6481d | 488 | unsigned int i, j, n; |
d19770e5 ST |
489 | |
490 | printk("%s: %s - dma channel status dump\n", | |
491 | dev->name, ch->name); | |
492 | for (i = 0; i < ARRAY_SIZE(name); i++) | |
493 | printk("%s: cmds: %-15s: 0x%08x\n", | |
494 | dev->name, name[i], | |
495 | cx_read(ch->cmds_start + 4*i)); | |
496 | ||
497 | for (i = 0; i < 4; i++) { | |
44a6481d | 498 | risc = cx_read(ch->cmds_start + 4 * (i + 14)); |
d19770e5 ST |
499 | printk("%s: risc%d: ", dev->name, i); |
500 | cx23885_risc_decode(risc); | |
501 | } | |
502 | for (i = 0; i < (64 >> 2); i += n) { | |
44a6481d MK |
503 | risc = cx_read(ch->ctrl_start + 4 * i); |
504 | /* No consideration for bits 63-32 */ | |
505 | ||
506 | printk("%s: (0x%08x) iq %x: ", dev->name, | |
507 | ch->ctrl_start + 4 * i, i); | |
d19770e5 ST |
508 | n = cx23885_risc_decode(risc); |
509 | for (j = 1; j < n; j++) { | |
44a6481d | 510 | risc = cx_read(ch->ctrl_start + 4 * (i + j)); |
d19770e5 ST |
511 | printk("%s: iq %x: 0x%08x [ arg #%d ]\n", |
512 | dev->name, i+j, risc, j); | |
513 | } | |
514 | } | |
515 | ||
516 | printk("%s: fifo: 0x%08x -> 0x%x\n", | |
517 | dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size); | |
518 | printk("%s: ctrl: 0x%08x -> 0x%x\n", | |
44a6481d | 519 | dev->name, ch->ctrl_start, ch->ctrl_start + 6*16); |
d19770e5 ST |
520 | printk("%s: ptr1_reg: 0x%08x\n", |
521 | dev->name, cx_read(ch->ptr1_reg)); | |
522 | printk("%s: ptr2_reg: 0x%08x\n", | |
523 | dev->name, cx_read(ch->ptr2_reg)); | |
524 | printk("%s: cnt1_reg: 0x%08x\n", | |
525 | dev->name, cx_read(ch->cnt1_reg)); | |
526 | printk("%s: cnt2_reg: 0x%08x\n", | |
527 | dev->name, cx_read(ch->cnt2_reg)); | |
528 | } | |
529 | ||
39e75cfe AB |
530 | static void cx23885_risc_disasm(struct cx23885_tsport *port, |
531 | struct btcx_riscmem *risc) | |
d19770e5 ST |
532 | { |
533 | struct cx23885_dev *dev = port->dev; | |
44a6481d | 534 | unsigned int i, j, n; |
d19770e5 ST |
535 | |
536 | printk("%s: risc disasm: %p [dma=0x%08lx]\n", | |
537 | dev->name, risc->cpu, (unsigned long)risc->dma); | |
538 | for (i = 0; i < (risc->size >> 2); i += n) { | |
539 | printk("%s: %04d: ", dev->name, i); | |
540 | n = cx23885_risc_decode(risc->cpu[i]); | |
541 | for (j = 1; j < n; j++) | |
542 | printk("%s: %04d: 0x%08x [ arg #%d ]\n", | |
44a6481d | 543 | dev->name, i + j, risc->cpu[i + j], j); |
d19770e5 ST |
544 | if (risc->cpu[i] == RISC_JUMP) |
545 | break; | |
546 | } | |
547 | } | |
548 | ||
39e75cfe | 549 | static void cx23885_shutdown(struct cx23885_dev *dev) |
d19770e5 ST |
550 | { |
551 | /* disable RISC controller */ | |
552 | cx_write(DEV_CNTRL2, 0); | |
553 | ||
554 | /* Disable all IR activity */ | |
555 | cx_write(IR_CNTRL_REG, 0); | |
556 | ||
557 | /* Disable Video A/B activity */ | |
558 | cx_write(VID_A_DMA_CTL, 0); | |
559 | cx_write(VID_B_DMA_CTL, 0); | |
560 | cx_write(VID_C_DMA_CTL, 0); | |
561 | ||
562 | /* Disable Audio activity */ | |
563 | cx_write(AUD_INT_DMA_CTL, 0); | |
564 | cx_write(AUD_EXT_DMA_CTL, 0); | |
565 | ||
566 | /* Disable Serial port */ | |
567 | cx_write(UART_CTL, 0); | |
568 | ||
569 | /* Disable Interrupts */ | |
570 | cx_write(PCI_INT_MSK, 0); | |
571 | cx_write(VID_A_INT_MSK, 0); | |
572 | cx_write(VID_B_INT_MSK, 0); | |
573 | cx_write(VID_C_INT_MSK, 0); | |
574 | cx_write(AUDIO_INT_INT_MSK, 0); | |
575 | cx_write(AUDIO_EXT_INT_MSK, 0); | |
576 | ||
577 | } | |
578 | ||
39e75cfe | 579 | static void cx23885_reset(struct cx23885_dev *dev) |
d19770e5 ST |
580 | { |
581 | dprintk(1, "%s()\n", __FUNCTION__); | |
582 | ||
583 | cx23885_shutdown(dev); | |
584 | ||
585 | cx_write(PCI_INT_STAT, 0xffffffff); | |
586 | cx_write(VID_A_INT_STAT, 0xffffffff); | |
587 | cx_write(VID_B_INT_STAT, 0xffffffff); | |
588 | cx_write(VID_C_INT_STAT, 0xffffffff); | |
589 | cx_write(AUDIO_INT_INT_STAT, 0xffffffff); | |
590 | cx_write(AUDIO_EXT_INT_STAT, 0xffffffff); | |
591 | cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000); | |
592 | ||
593 | mdelay(100); | |
594 | ||
d19770e5 ST |
595 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH01 ], 188*4, 0); |
596 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH02 ], 128, 0); | |
579f1163 | 597 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 188*4, 0); |
d19770e5 ST |
598 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH04 ], 128, 0); |
599 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH05 ], 128, 0); | |
600 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH06 ], 188*4, 0); | |
601 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH07 ], 128, 0); | |
602 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH08 ], 128, 0); | |
603 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH09 ], 128, 0); | |
604 | ||
a6a3f140 | 605 | cx23885_gpio_setup(dev); |
d19770e5 ST |
606 | } |
607 | ||
608 | ||
609 | static int cx23885_pci_quirks(struct cx23885_dev *dev) | |
610 | { | |
611 | dprintk(1, "%s()\n", __FUNCTION__); | |
612 | ||
2df9a4c2 ST |
613 | /* The cx23885 bridge has a weird bug which causes NMI to be asserted |
614 | * when DMA begins if RDR_TLCTL0 bit4 is not cleared. It does not | |
615 | * occur on the cx23887 bridge. | |
616 | */ | |
4823e9ee | 617 | if(dev->bridge == CX23885_BRIDGE_885) |
d19770e5 | 618 | cx_clear(RDR_TLCTL0, 1 << 4); |
4823e9ee | 619 | |
d19770e5 ST |
620 | return 0; |
621 | } | |
622 | ||
623 | static int get_resources(struct cx23885_dev *dev) | |
624 | { | |
625 | if (request_mem_region(pci_resource_start(dev->pci,0), | |
44a6481d MK |
626 | pci_resource_len(dev->pci,0), |
627 | dev->name)) | |
d19770e5 ST |
628 | return 0; |
629 | ||
630 | printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", | |
631 | dev->name, (unsigned long long)pci_resource_start(dev->pci,0)); | |
632 | ||
633 | return -EBUSY; | |
634 | } | |
635 | ||
636 | static void cx23885_timeout(unsigned long data); | |
39e75cfe AB |
637 | static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, |
638 | u32 reg, u32 mask, u32 value); | |
d19770e5 | 639 | |
a6a3f140 | 640 | static int cx23885_init_tsport(struct cx23885_dev *dev, struct cx23885_tsport *port, int portno) |
d19770e5 | 641 | { |
a6a3f140 ST |
642 | dprintk(1, "%s(portno=%d)\n", __FUNCTION__, portno); |
643 | ||
644 | /* Transport bus init dma queue - Common settings */ | |
645 | port->dma_ctl_val = 0x11; /* Enable RISC controller and Fifo */ | |
646 | port->ts_int_msk_val = 0x1111; /* TS port bits for RISC */ | |
647 | ||
648 | spin_lock_init(&port->slock); | |
649 | port->dev = dev; | |
650 | port->nr = portno; | |
651 | ||
652 | INIT_LIST_HEAD(&port->mpegq.active); | |
653 | INIT_LIST_HEAD(&port->mpegq.queued); | |
654 | port->mpegq.timeout.function = cx23885_timeout; | |
655 | port->mpegq.timeout.data = (unsigned long)port; | |
656 | init_timer(&port->mpegq.timeout); | |
657 | ||
658 | switch(portno) { | |
659 | case 1: | |
660 | port->reg_gpcnt = VID_B_GPCNT; | |
661 | port->reg_gpcnt_ctl = VID_B_GPCNT_CTL; | |
662 | port->reg_dma_ctl = VID_B_DMA_CTL; | |
663 | port->reg_lngth = VID_B_LNGTH; | |
664 | port->reg_hw_sop_ctrl = VID_B_HW_SOP_CTL; | |
665 | port->reg_gen_ctrl = VID_B_GEN_CTL; | |
666 | port->reg_bd_pkt_status = VID_B_BD_PKT_STATUS; | |
667 | port->reg_sop_status = VID_B_SOP_STATUS; | |
668 | port->reg_fifo_ovfl_stat = VID_B_FIFO_OVFL_STAT; | |
669 | port->reg_vld_misc = VID_B_VLD_MISC; | |
670 | port->reg_ts_clk_en = VID_B_TS_CLK_EN; | |
671 | port->reg_src_sel = VID_B_SRC_SEL; | |
672 | port->reg_ts_int_msk = VID_B_INT_MSK; | |
673 | port->reg_ts_int_stat = VID_B_INT_STAT; | |
674 | port->sram_chno = SRAM_CH03; /* VID_B */ | |
675 | port->pci_irqmask = 0x02; /* VID_B bit1 */ | |
676 | break; | |
677 | case 2: | |
678 | port->reg_gpcnt = VID_C_GPCNT; | |
679 | port->reg_gpcnt_ctl = VID_C_GPCNT_CTL; | |
680 | port->reg_dma_ctl = VID_C_DMA_CTL; | |
681 | port->reg_lngth = VID_C_LNGTH; | |
682 | port->reg_hw_sop_ctrl = VID_C_HW_SOP_CTL; | |
683 | port->reg_gen_ctrl = VID_C_GEN_CTL; | |
684 | port->reg_bd_pkt_status = VID_C_BD_PKT_STATUS; | |
685 | port->reg_sop_status = VID_C_SOP_STATUS; | |
686 | port->reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT; | |
687 | port->reg_vld_misc = VID_C_VLD_MISC; | |
688 | port->reg_ts_clk_en = VID_C_TS_CLK_EN; | |
689 | port->reg_src_sel = 0; | |
690 | port->reg_ts_int_msk = VID_C_INT_MSK; | |
691 | port->reg_ts_int_stat = VID_C_INT_STAT; | |
692 | port->sram_chno = SRAM_CH06; /* VID_C */ | |
693 | port->pci_irqmask = 0x04; /* VID_C bit2 */ | |
d19770e5 | 694 | break; |
a6a3f140 ST |
695 | default: |
696 | BUG(); | |
d19770e5 ST |
697 | } |
698 | ||
a6a3f140 ST |
699 | cx23885_risc_stopper(dev->pci, &port->mpegq.stopper, |
700 | port->reg_dma_ctl, port->dma_ctl_val, 0x00); | |
701 | ||
d19770e5 ST |
702 | return 0; |
703 | } | |
704 | ||
705 | static int cx23885_dev_setup(struct cx23885_dev *dev) | |
706 | { | |
707 | int i; | |
708 | ||
709 | mutex_init(&dev->lock); | |
710 | ||
711 | atomic_inc(&dev->refcount); | |
712 | ||
713 | dev->nr = cx23885_devcount++; | |
579f1163 ST |
714 | sprintf(dev->name, "cx23885[%d]", dev->nr); |
715 | ||
716 | mutex_lock(&devlist); | |
717 | list_add_tail(&dev->devlist, &cx23885_devlist); | |
718 | mutex_unlock(&devlist); | |
719 | ||
720 | /* Configure the internal memory */ | |
721 | if(dev->pci->device == 0x8880) { | |
722 | dev->bridge = CX23885_BRIDGE_887; | |
723 | dev->sram_channels = cx23887_sram_channels; | |
724 | } else | |
725 | if(dev->pci->device == 0x8852) { | |
726 | dev->bridge = CX23885_BRIDGE_885; | |
727 | dev->sram_channels = cx23885_sram_channels; | |
728 | } else | |
729 | BUG(); | |
730 | ||
731 | dprintk(1, "%s() Memory configured for PCIe bridge type %d\n", | |
732 | __FUNCTION__, dev->bridge); | |
733 | ||
734 | /* board config */ | |
735 | dev->board = UNSET; | |
736 | if (card[dev->nr] < cx23885_bcount) | |
737 | dev->board = card[dev->nr]; | |
738 | for (i = 0; UNSET == dev->board && i < cx23885_idcount; i++) | |
739 | if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor && | |
740 | dev->pci->subsystem_device == cx23885_subids[i].subdevice) | |
741 | dev->board = cx23885_subids[i].card; | |
742 | if (UNSET == dev->board) { | |
743 | dev->board = CX23885_BOARD_UNKNOWN; | |
744 | cx23885_card_list(dev); | |
745 | } | |
746 | ||
d19770e5 ST |
747 | dev->pci_bus = dev->pci->bus->number; |
748 | dev->pci_slot = PCI_SLOT(dev->pci->devfn); | |
749 | dev->pci_irqmask = 0x001f00; | |
750 | ||
751 | /* External Master 1 Bus */ | |
752 | dev->i2c_bus[0].nr = 0; | |
753 | dev->i2c_bus[0].dev = dev; | |
754 | dev->i2c_bus[0].reg_stat = I2C1_STAT; | |
755 | dev->i2c_bus[0].reg_ctrl = I2C1_CTRL; | |
756 | dev->i2c_bus[0].reg_addr = I2C1_ADDR; | |
757 | dev->i2c_bus[0].reg_rdata = I2C1_RDATA; | |
758 | dev->i2c_bus[0].reg_wdata = I2C1_WDATA; | |
759 | dev->i2c_bus[0].i2c_period = (0x9d << 24); /* 100kHz */ | |
760 | ||
761 | /* External Master 2 Bus */ | |
762 | dev->i2c_bus[1].nr = 1; | |
763 | dev->i2c_bus[1].dev = dev; | |
764 | dev->i2c_bus[1].reg_stat = I2C2_STAT; | |
765 | dev->i2c_bus[1].reg_ctrl = I2C2_CTRL; | |
766 | dev->i2c_bus[1].reg_addr = I2C2_ADDR; | |
767 | dev->i2c_bus[1].reg_rdata = I2C2_RDATA; | |
768 | dev->i2c_bus[1].reg_wdata = I2C2_WDATA; | |
769 | dev->i2c_bus[1].i2c_period = (0x9d << 24); /* 100kHz */ | |
770 | ||
771 | /* Internal Master 3 Bus */ | |
772 | dev->i2c_bus[2].nr = 2; | |
773 | dev->i2c_bus[2].dev = dev; | |
774 | dev->i2c_bus[2].reg_stat = I2C3_STAT; | |
775 | dev->i2c_bus[2].reg_ctrl = I2C3_CTRL; | |
a2129af5 | 776 | dev->i2c_bus[2].reg_addr = I2C3_ADDR; |
d19770e5 ST |
777 | dev->i2c_bus[2].reg_rdata = I2C3_RDATA; |
778 | dev->i2c_bus[2].reg_wdata = I2C3_WDATA; | |
779 | dev->i2c_bus[2].i2c_period = (0x07 << 24); /* 1.95MHz */ | |
780 | ||
a6a3f140 ST |
781 | if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) |
782 | cx23885_init_tsport(dev, &dev->ts1, 1); | |
579f1163 | 783 | |
a6a3f140 ST |
784 | if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) |
785 | cx23885_init_tsport(dev, &dev->ts2, 2); | |
d19770e5 | 786 | |
d19770e5 ST |
787 | if (get_resources(dev) < 0) { |
788 | printk(KERN_ERR "CORE %s No more PCIe resources for " | |
44a6481d MK |
789 | "subsystem: %04x:%04x\n", |
790 | dev->name, dev->pci->subsystem_vendor, | |
791 | dev->pci->subsystem_device); | |
d19770e5 ST |
792 | |
793 | cx23885_devcount--; | |
fcf94c89 | 794 | return -ENODEV; |
d19770e5 ST |
795 | } |
796 | ||
d19770e5 ST |
797 | /* PCIe stuff */ |
798 | dev->lmmio = ioremap(pci_resource_start(dev->pci,0), | |
44a6481d | 799 | pci_resource_len(dev->pci,0)); |
d19770e5 ST |
800 | |
801 | dev->bmmio = (u8 __iomem *)dev->lmmio; | |
802 | ||
d19770e5 | 803 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", |
44a6481d MK |
804 | dev->name, dev->pci->subsystem_vendor, |
805 | dev->pci->subsystem_device, cx23885_boards[dev->board].name, | |
806 | dev->board, card[dev->nr] == dev->board ? | |
807 | "insmod option" : "autodetected"); | |
d19770e5 | 808 | |
4823e9ee ST |
809 | cx23885_pci_quirks(dev); |
810 | ||
d19770e5 ST |
811 | /* init hardware */ |
812 | cx23885_reset(dev); | |
813 | ||
814 | cx23885_i2c_register(&dev->i2c_bus[0]); | |
815 | cx23885_i2c_register(&dev->i2c_bus[1]); | |
816 | cx23885_i2c_register(&dev->i2c_bus[2]); | |
817 | cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL); | |
d19770e5 ST |
818 | cx23885_card_setup(dev); |
819 | cx23885_ir_init(dev); | |
820 | ||
a6a3f140 ST |
821 | if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) { |
822 | if (cx23885_dvb_register(&dev->ts1) < 0) { | |
823 | printk(KERN_ERR "%s() Failed to register dvb adapters on VID_B\n", | |
824 | __FUNCTION__); | |
825 | } | |
579f1163 ST |
826 | } |
827 | ||
a6a3f140 ST |
828 | if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) { |
829 | if (cx23885_dvb_register(&dev->ts2) < 0) { | |
830 | printk(KERN_ERR "%s() Failed to register dvb adapters on VID_C\n", | |
831 | __FUNCTION__); | |
832 | } | |
d19770e5 ST |
833 | } |
834 | ||
835 | return 0; | |
d19770e5 ST |
836 | } |
837 | ||
39e75cfe | 838 | static void cx23885_dev_unregister(struct cx23885_dev *dev) |
d19770e5 ST |
839 | { |
840 | release_mem_region(pci_resource_start(dev->pci,0), | |
841 | pci_resource_len(dev->pci,0)); | |
842 | ||
843 | if (!atomic_dec_and_test(&dev->refcount)) | |
844 | return; | |
845 | ||
a6a3f140 ST |
846 | if(cx23885_boards[dev->board].portb == CX23885_MPEG_DVB) |
847 | cx23885_dvb_unregister(&dev->ts1); | |
848 | ||
849 | if(cx23885_boards[dev->board].portc == CX23885_MPEG_DVB) | |
850 | cx23885_dvb_unregister(&dev->ts2); | |
851 | ||
d19770e5 ST |
852 | cx23885_i2c_unregister(&dev->i2c_bus[2]); |
853 | cx23885_i2c_unregister(&dev->i2c_bus[1]); | |
854 | cx23885_i2c_unregister(&dev->i2c_bus[0]); | |
855 | ||
856 | iounmap(dev->lmmio); | |
857 | } | |
858 | ||
859 | static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist, | |
44a6481d MK |
860 | unsigned int offset, u32 sync_line, |
861 | unsigned int bpl, unsigned int padding, | |
862 | unsigned int lines) | |
d19770e5 ST |
863 | { |
864 | struct scatterlist *sg; | |
44a6481d | 865 | unsigned int line, todo; |
d19770e5 ST |
866 | |
867 | /* sync instruction */ | |
868 | if (sync_line != NO_SYNC_LINE) | |
869 | *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); | |
870 | ||
871 | /* scan lines */ | |
872 | sg = sglist; | |
873 | for (line = 0; line < lines; line++) { | |
874 | while (offset && offset >= sg_dma_len(sg)) { | |
875 | offset -= sg_dma_len(sg); | |
876 | sg++; | |
877 | } | |
878 | if (bpl <= sg_dma_len(sg)-offset) { | |
879 | /* fits into current chunk */ | |
880 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl); | |
881 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); | |
882 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | |
883 | offset+=bpl; | |
884 | } else { | |
885 | /* scanline needs to be split */ | |
886 | todo = bpl; | |
887 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL| | |
888 | (sg_dma_len(sg)-offset)); | |
889 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); | |
890 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | |
891 | todo -= (sg_dma_len(sg)-offset); | |
892 | offset = 0; | |
893 | sg++; | |
894 | while (todo > sg_dma_len(sg)) { | |
895 | *(rp++)=cpu_to_le32(RISC_WRITE| | |
896 | sg_dma_len(sg)); | |
897 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); | |
898 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | |
899 | todo -= sg_dma_len(sg); | |
900 | sg++; | |
901 | } | |
902 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo); | |
903 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); | |
904 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | |
905 | offset += todo; | |
906 | } | |
907 | offset += padding; | |
908 | } | |
909 | ||
910 | return rp; | |
911 | } | |
912 | ||
d19770e5 | 913 | |
39e75cfe AB |
914 | static int cx23885_risc_databuffer(struct pci_dev *pci, |
915 | struct btcx_riscmem *risc, | |
916 | struct scatterlist *sglist, | |
917 | unsigned int bpl, | |
918 | unsigned int lines) | |
d19770e5 ST |
919 | { |
920 | u32 instructions; | |
921 | u32 *rp; | |
922 | int rc; | |
923 | ||
924 | /* estimate risc mem: worst case is one write per page border + | |
925 | one write per scan line + syncs + jump (all 2 dwords). Here | |
926 | there is no padding and no sync. First DMA region may be smaller | |
927 | than PAGE_SIZE */ | |
928 | /* Jump and write need an extra dword */ | |
929 | instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; | |
930 | instructions += 1; | |
931 | ||
d19770e5 ST |
932 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0) |
933 | return rc; | |
934 | ||
935 | /* write risc instructions */ | |
936 | rp = risc->cpu; | |
937 | rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines); | |
938 | ||
939 | /* save pointer to jmp instruction address */ | |
940 | risc->jmp = rp; | |
941 | BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size); | |
942 | return 0; | |
943 | } | |
944 | ||
39e75cfe AB |
945 | static int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, |
946 | u32 reg, u32 mask, u32 value) | |
d19770e5 ST |
947 | { |
948 | u32 *rp; | |
949 | int rc; | |
950 | ||
951 | if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0) | |
952 | return rc; | |
953 | ||
954 | /* write risc instructions */ | |
955 | rp = risc->cpu; | |
d19770e5 ST |
956 | *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2); |
957 | *(rp++) = cpu_to_le32(reg); | |
958 | *(rp++) = cpu_to_le32(value); | |
959 | *(rp++) = cpu_to_le32(mask); | |
960 | *(rp++) = cpu_to_le32(RISC_JUMP); | |
961 | *(rp++) = cpu_to_le32(risc->dma); | |
962 | *(rp++) = cpu_to_le32(0); /* bits 63-32 */ | |
963 | return 0; | |
964 | } | |
965 | ||
966 | void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf) | |
967 | { | |
409d84f8 TP |
968 | struct videobuf_dmabuf *dma = videobuf_to_dma(&buf->vb); |
969 | ||
d19770e5 | 970 | BUG_ON(in_interrupt()); |
44a6481d | 971 | videobuf_waiton(&buf->vb, 0, 0); |
409d84f8 TP |
972 | videobuf_dma_unmap(q, dma); |
973 | videobuf_dma_free(dma); | |
d19770e5 | 974 | btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc); |
0fc0686e | 975 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
d19770e5 ST |
976 | } |
977 | ||
978 | static int cx23885_start_dma(struct cx23885_tsport *port, | |
44a6481d MK |
979 | struct cx23885_dmaqueue *q, |
980 | struct cx23885_buffer *buf) | |
d19770e5 ST |
981 | { |
982 | struct cx23885_dev *dev = port->dev; | |
983 | ||
984 | dprintk(1, "%s() w: %d, h: %d, f: %d\n", __FUNCTION__, | |
44a6481d | 985 | buf->vb.width, buf->vb.height, buf->vb.field); |
d19770e5 | 986 | |
d19770e5 ST |
987 | /* setup fifo + format */ |
988 | cx23885_sram_channel_setup(dev, | |
44a6481d MK |
989 | &dev->sram_channels[ port->sram_chno ], |
990 | port->ts_packet_size, buf->risc.dma); | |
3328e4fb | 991 | if(debug > 5) { |
d19770e5 | 992 | cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ] ); |
d19770e5 | 993 | cx23885_risc_disasm(port, &buf->risc); |
3328e4fb | 994 | } |
d19770e5 ST |
995 | |
996 | /* write TS length to chip */ | |
997 | cx_write(port->reg_lngth, buf->vb.width); | |
998 | ||
661c7e44 ST |
999 | if ( (!(cx23885_boards[dev->board].portb & CX23885_MPEG_DVB)) && |
1000 | (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB)) ) { | |
1001 | printk( "%s() Failed. Unsupported value in .portb/c (0x%08x)/(0x%08x)\n", | |
1002 | __FUNCTION__, | |
1003 | cx23885_boards[dev->board].portb, | |
1004 | cx23885_boards[dev->board].portc ); | |
d19770e5 ST |
1005 | return -EINVAL; |
1006 | } | |
1007 | ||
d19770e5 ST |
1008 | udelay(100); |
1009 | ||
579f1163 ST |
1010 | /* If the port supports SRC SELECT, configure it */ |
1011 | if(port->reg_src_sel) | |
1012 | cx_write(port->reg_src_sel, port->src_sel_val); | |
1013 | ||
d19770e5 ST |
1014 | cx_write(port->reg_hw_sop_ctrl, 0x47 << 16 | 188 << 4); |
1015 | cx_write(port->reg_ts_clk_en, port->ts_clk_en_val); | |
bfde287c | 1016 | cx_write(port->reg_vld_misc, 0x00); |
d19770e5 ST |
1017 | cx_write(port->reg_gen_ctrl, port->gen_ctrl_val); |
1018 | udelay(100); | |
1019 | ||
579f1163 | 1020 | // NOTE: this is 2 (reserved) for portb, does it matter? |
d19770e5 ST |
1021 | /* reset counter to zero */ |
1022 | cx_write(port->reg_gpcnt_ctl, 3); | |
1023 | q->count = 1; | |
1024 | ||
e133be0f | 1025 | switch(dev->bridge) { |
d19770e5 | 1026 | case CX23885_BRIDGE_885: |
3bd40659 | 1027 | case CX23885_BRIDGE_887: |
d19770e5 ST |
1028 | /* enable irqs */ |
1029 | dprintk(1, "%s() enabling TS int's and DMA\n", __FUNCTION__ ); | |
1030 | cx_set(port->reg_ts_int_msk, port->ts_int_msk_val); | |
1031 | cx_set(port->reg_dma_ctl, port->dma_ctl_val); | |
1032 | cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask); | |
1033 | break; | |
d19770e5 | 1034 | default: |
579f1163 | 1035 | BUG(); |
d19770e5 ST |
1036 | } |
1037 | ||
d19770e5 ST |
1038 | cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */ |
1039 | ||
d19770e5 ST |
1040 | return 0; |
1041 | } | |
1042 | ||
1043 | static int cx23885_stop_dma(struct cx23885_tsport *port) | |
1044 | { | |
1045 | struct cx23885_dev *dev = port->dev; | |
1046 | dprintk(1, "%s()\n", __FUNCTION__); | |
1047 | ||
1048 | /* Stop interrupts and DMA */ | |
1049 | cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val); | |
1050 | cx_clear(port->reg_dma_ctl, port->dma_ctl_val); | |
1051 | ||
1052 | return 0; | |
1053 | } | |
1054 | ||
1055 | static int cx23885_restart_queue(struct cx23885_tsport *port, | |
1056 | struct cx23885_dmaqueue *q) | |
1057 | { | |
1058 | struct cx23885_dev *dev = port->dev; | |
1059 | struct cx23885_buffer *buf; | |
d19770e5 ST |
1060 | |
1061 | dprintk(5, "%s()\n", __FUNCTION__); | |
1062 | if (list_empty(&q->active)) | |
1063 | { | |
44a6481d MK |
1064 | struct cx23885_buffer *prev; |
1065 | prev = NULL; | |
d19770e5 ST |
1066 | |
1067 | dprintk(5, "%s() queue is empty\n", __FUNCTION__); | |
1068 | ||
44a6481d MK |
1069 | for (;;) { |
1070 | if (list_empty(&q->queued)) | |
1071 | return 0; | |
1072 | buf = list_entry(q->queued.next, struct cx23885_buffer, | |
1073 | vb.queue); | |
1074 | if (NULL == prev) { | |
1075 | list_del(&buf->vb.queue); | |
1076 | list_add_tail(&buf->vb.queue, &q->active); | |
1077 | cx23885_start_dma(port, q, buf); | |
0fc0686e | 1078 | buf->vb.state = VIDEOBUF_ACTIVE; |
44a6481d MK |
1079 | buf->count = q->count++; |
1080 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
1081 | dprintk(5, "[%p/%d] restart_queue - first active\n", | |
1082 | buf, buf->vb.i); | |
1083 | ||
1084 | } else if (prev->vb.width == buf->vb.width && | |
1085 | prev->vb.height == buf->vb.height && | |
1086 | prev->fmt == buf->fmt) { | |
1087 | list_del(&buf->vb.queue); | |
1088 | list_add_tail(&buf->vb.queue, &q->active); | |
0fc0686e | 1089 | buf->vb.state = VIDEOBUF_ACTIVE; |
44a6481d MK |
1090 | buf->count = q->count++; |
1091 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
1092 | prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */ | |
1093 | dprintk(5,"[%p/%d] restart_queue - move to active\n", | |
1094 | buf, buf->vb.i); | |
1095 | } else { | |
1096 | return 0; | |
1097 | } | |
1098 | prev = buf; | |
1099 | } | |
d19770e5 ST |
1100 | return 0; |
1101 | } | |
1102 | ||
1103 | buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue); | |
44a6481d | 1104 | dprintk(2, "restart_queue [%p/%d]: restart dma\n", |
d19770e5 ST |
1105 | buf, buf->vb.i); |
1106 | cx23885_start_dma(port, q, buf); | |
a991f44b | 1107 | list_for_each_entry(buf, &q->active, vb.queue) |
d19770e5 | 1108 | buf->count = q->count++; |
44a6481d | 1109 | mod_timer(&q->timeout, jiffies + BUFFER_TIMEOUT); |
d19770e5 ST |
1110 | return 0; |
1111 | } | |
1112 | ||
1113 | /* ------------------------------------------------------------------ */ | |
1114 | ||
1115 | int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port, | |
1116 | struct cx23885_buffer *buf, enum v4l2_field field) | |
1117 | { | |
1118 | struct cx23885_dev *dev = port->dev; | |
1119 | int size = port->ts_packet_size * port->ts_packet_count; | |
1120 | int rc; | |
1121 | ||
1122 | dprintk(1, "%s: %p\n", __FUNCTION__, buf); | |
1123 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | |
1124 | return -EINVAL; | |
1125 | ||
0fc0686e | 1126 | if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { |
d19770e5 ST |
1127 | buf->vb.width = port->ts_packet_size; |
1128 | buf->vb.height = port->ts_packet_count; | |
1129 | buf->vb.size = size; | |
1130 | buf->vb.field = field /*V4L2_FIELD_TOP*/; | |
1131 | ||
44a6481d | 1132 | if (0 != (rc = videobuf_iolock(q, &buf->vb, NULL))) |
d19770e5 ST |
1133 | goto fail; |
1134 | cx23885_risc_databuffer(dev->pci, &buf->risc, | |
409d84f8 TP |
1135 | videobuf_to_dma(&buf->vb)->sglist, |
1136 | buf->vb.width, buf->vb.height); | |
d19770e5 | 1137 | } |
0fc0686e | 1138 | buf->vb.state = VIDEOBUF_PREPARED; |
d19770e5 ST |
1139 | return 0; |
1140 | ||
1141 | fail: | |
44a6481d | 1142 | cx23885_free_buffer(q, buf); |
d19770e5 ST |
1143 | return rc; |
1144 | } | |
1145 | ||
1146 | void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf) | |
1147 | { | |
1148 | struct cx23885_buffer *prev; | |
1149 | struct cx23885_dev *dev = port->dev; | |
1150 | struct cx23885_dmaqueue *cx88q = &port->mpegq; | |
1151 | ||
1152 | /* add jump to stopper */ | |
1153 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
1154 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); | |
1155 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | |
1156 | ||
1157 | if (list_empty(&cx88q->active)) { | |
1158 | dprintk( 1, "queue is empty - first active\n" ); | |
44a6481d | 1159 | list_add_tail(&buf->vb.queue, &cx88q->active); |
d19770e5 | 1160 | cx23885_start_dma(port, cx88q, buf); |
0fc0686e | 1161 | buf->vb.state = VIDEOBUF_ACTIVE; |
d19770e5 | 1162 | buf->count = cx88q->count++; |
44a6481d MK |
1163 | mod_timer(&cx88q->timeout, jiffies + BUFFER_TIMEOUT); |
1164 | dprintk(1, "[%p/%d] %s - first active\n", | |
d19770e5 | 1165 | buf, buf->vb.i, __FUNCTION__); |
d19770e5 ST |
1166 | } else { |
1167 | dprintk( 1, "queue is not empty - append to active\n" ); | |
44a6481d MK |
1168 | prev = list_entry(cx88q->active.prev, struct cx23885_buffer, |
1169 | vb.queue); | |
1170 | list_add_tail(&buf->vb.queue, &cx88q->active); | |
0fc0686e | 1171 | buf->vb.state = VIDEOBUF_ACTIVE; |
d19770e5 ST |
1172 | buf->count = cx88q->count++; |
1173 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
1174 | prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */ | |
1175 | dprintk( 1, "[%p/%d] %s - append to active\n", | |
44a6481d | 1176 | buf, buf->vb.i, __FUNCTION__); |
d19770e5 ST |
1177 | } |
1178 | } | |
1179 | ||
1180 | /* ----------------------------------------------------------- */ | |
1181 | ||
44a6481d MK |
1182 | static void do_cancel_buffers(struct cx23885_tsport *port, char *reason, |
1183 | int restart) | |
d19770e5 ST |
1184 | { |
1185 | struct cx23885_dev *dev = port->dev; | |
1186 | struct cx23885_dmaqueue *q = &port->mpegq; | |
1187 | struct cx23885_buffer *buf; | |
1188 | unsigned long flags; | |
1189 | ||
44a6481d | 1190 | spin_lock_irqsave(&port->slock, flags); |
d19770e5 | 1191 | while (!list_empty(&q->active)) { |
44a6481d MK |
1192 | buf = list_entry(q->active.next, struct cx23885_buffer, |
1193 | vb.queue); | |
d19770e5 | 1194 | list_del(&buf->vb.queue); |
0fc0686e | 1195 | buf->vb.state = VIDEOBUF_ERROR; |
d19770e5 | 1196 | wake_up(&buf->vb.done); |
44a6481d | 1197 | dprintk(1, "[%p/%d] %s - dma=0x%08lx\n", |
d19770e5 ST |
1198 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); |
1199 | } | |
44a6481d | 1200 | if (restart) { |
d19770e5 ST |
1201 | dprintk(1, "restarting queue\n" ); |
1202 | cx23885_restart_queue(port, q); | |
1203 | } | |
44a6481d | 1204 | spin_unlock_irqrestore(&port->slock, flags); |
d19770e5 ST |
1205 | } |
1206 | ||
d19770e5 ST |
1207 | |
1208 | static void cx23885_timeout(unsigned long data) | |
1209 | { | |
1210 | struct cx23885_tsport *port = (struct cx23885_tsport *)data; | |
1211 | struct cx23885_dev *dev = port->dev; | |
1212 | ||
1213 | dprintk(1, "%s()\n",__FUNCTION__); | |
1214 | ||
1215 | if (debug > 5) | |
d19770e5 | 1216 | cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]); |
3328e4fb | 1217 | |
d19770e5 ST |
1218 | cx23885_stop_dma(port); |
1219 | do_cancel_buffers(port, "timeout", 1); | |
1220 | } | |
1221 | ||
a6a3f140 ST |
1222 | static int cx23885_irq_ts(struct cx23885_tsport *port, u32 status) |
1223 | { | |
1224 | struct cx23885_dev *dev = port->dev; | |
1225 | int handled = 0; | |
1226 | u32 count; | |
1227 | ||
1228 | if ( (status & VID_BC_MSK_OPC_ERR) || | |
1229 | (status & VID_BC_MSK_BAD_PKT) || | |
1230 | (status & VID_BC_MSK_SYNC) || | |
1231 | (status & VID_BC_MSK_OF)) | |
1232 | { | |
1233 | if (status & VID_BC_MSK_OPC_ERR) | |
1234 | dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n", VID_BC_MSK_OPC_ERR); | |
1235 | if (status & VID_BC_MSK_BAD_PKT) | |
1236 | dprintk(7, " (VID_BC_MSK_BAD_PKT 0x%08x)\n", VID_BC_MSK_BAD_PKT); | |
1237 | if (status & VID_BC_MSK_SYNC) | |
1238 | dprintk(7, " (VID_BC_MSK_SYNC 0x%08x)\n", VID_BC_MSK_SYNC); | |
1239 | if (status & VID_BC_MSK_OF) | |
1240 | dprintk(7, " (VID_BC_MSK_OF 0x%08x)\n", VID_BC_MSK_OF); | |
1241 | ||
1242 | printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name); | |
1243 | ||
1244 | cx_clear(port->reg_dma_ctl, port->dma_ctl_val); | |
1245 | cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]); | |
1246 | ||
1247 | } else if (status & VID_BC_MSK_RISCI1) { | |
1248 | ||
1249 | dprintk(7, " (RISCI1 0x%08x)\n", VID_BC_MSK_RISCI1); | |
1250 | ||
1251 | spin_lock(&port->slock); | |
1252 | count = cx_read(port->reg_gpcnt); | |
1253 | cx23885_wakeup(port, &port->mpegq, count); | |
1254 | spin_unlock(&port->slock); | |
1255 | ||
1256 | } else if (status & VID_BC_MSK_RISCI2) { | |
1257 | ||
1258 | dprintk(7, " (RISCI2 0x%08x)\n", VID_BC_MSK_RISCI2); | |
1259 | ||
1260 | spin_lock(&port->slock); | |
1261 | cx23885_restart_queue(port, &port->mpegq); | |
1262 | spin_unlock(&port->slock); | |
1263 | ||
1264 | } | |
1265 | if (status) { | |
1266 | cx_write(port->reg_ts_int_stat, status); | |
1267 | handled = 1; | |
1268 | } | |
1269 | ||
1270 | return handled; | |
1271 | } | |
1272 | ||
03121f05 | 1273 | static irqreturn_t cx23885_irq(int irq, void *dev_id) |
d19770e5 ST |
1274 | { |
1275 | struct cx23885_dev *dev = dev_id; | |
a6a3f140 ST |
1276 | struct cx23885_tsport *ts1 = &dev->ts1; |
1277 | struct cx23885_tsport *ts2 = &dev->ts2; | |
d19770e5 | 1278 | u32 pci_status, pci_mask; |
6f074abb | 1279 | u32 ts1_status, ts1_mask; |
d19770e5 | 1280 | u32 ts2_status, ts2_mask; |
a6a3f140 | 1281 | int ts1_count = 0, ts2_count = 0, handled = 0; |
d19770e5 ST |
1282 | |
1283 | pci_status = cx_read(PCI_INT_STAT); | |
1284 | pci_mask = cx_read(PCI_INT_MSK); | |
6f074abb ST |
1285 | ts1_status = cx_read(VID_B_INT_STAT); |
1286 | ts1_mask = cx_read(VID_B_INT_MSK); | |
d19770e5 ST |
1287 | ts2_status = cx_read(VID_C_INT_STAT); |
1288 | ts2_mask = cx_read(VID_C_INT_MSK); | |
1289 | ||
6f074abb | 1290 | if ( (pci_status == 0) && (ts2_status == 0) && (ts1_status == 0) ) |
d19770e5 ST |
1291 | goto out; |
1292 | ||
a6a3f140 ST |
1293 | ts1_count = cx_read(ts1->reg_gpcnt); |
1294 | ts2_count = cx_read(ts2->reg_gpcnt); | |
d19770e5 | 1295 | dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", pci_status, pci_mask ); |
a6a3f140 ST |
1296 | dprintk(7, "ts1_status: 0x%08x ts1_mask: 0x%08x count: 0x%x\n", ts1_status, ts1_mask, ts1_count ); |
1297 | dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n", ts2_status, ts2_mask, ts2_count ); | |
d19770e5 ST |
1298 | |
1299 | if ( (pci_status & PCI_MSK_RISC_RD) || | |
44a6481d MK |
1300 | (pci_status & PCI_MSK_RISC_WR) || |
1301 | (pci_status & PCI_MSK_AL_RD) || | |
1302 | (pci_status & PCI_MSK_AL_WR) || | |
1303 | (pci_status & PCI_MSK_APB_DMA) || | |
1304 | (pci_status & PCI_MSK_VID_C) || | |
1305 | (pci_status & PCI_MSK_VID_B) || | |
1306 | (pci_status & PCI_MSK_VID_A) || | |
1307 | (pci_status & PCI_MSK_AUD_INT) || | |
1308 | (pci_status & PCI_MSK_AUD_EXT) ) | |
d19770e5 ST |
1309 | { |
1310 | ||
1311 | if (pci_status & PCI_MSK_RISC_RD) | |
1312 | dprintk(7, " (PCI_MSK_RISC_RD 0x%08x)\n", PCI_MSK_RISC_RD); | |
1313 | if (pci_status & PCI_MSK_RISC_WR) | |
1314 | dprintk(7, " (PCI_MSK_RISC_WR 0x%08x)\n", PCI_MSK_RISC_WR); | |
1315 | if (pci_status & PCI_MSK_AL_RD) | |
1316 | dprintk(7, " (PCI_MSK_AL_RD 0x%08x)\n", PCI_MSK_AL_RD); | |
1317 | if (pci_status & PCI_MSK_AL_WR) | |
1318 | dprintk(7, " (PCI_MSK_AL_WR 0x%08x)\n", PCI_MSK_AL_WR); | |
1319 | if (pci_status & PCI_MSK_APB_DMA) | |
1320 | dprintk(7, " (PCI_MSK_APB_DMA 0x%08x)\n", PCI_MSK_APB_DMA); | |
1321 | if (pci_status & PCI_MSK_VID_C) | |
1322 | dprintk(7, " (PCI_MSK_VID_C 0x%08x)\n", PCI_MSK_VID_C); | |
1323 | if (pci_status & PCI_MSK_VID_B) | |
1324 | dprintk(7, " (PCI_MSK_VID_B 0x%08x)\n", PCI_MSK_VID_B); | |
1325 | if (pci_status & PCI_MSK_VID_A) | |
1326 | dprintk(7, " (PCI_MSK_VID_A 0x%08x)\n", PCI_MSK_VID_A); | |
1327 | if (pci_status & PCI_MSK_AUD_INT) | |
1328 | dprintk(7, " (PCI_MSK_AUD_INT 0x%08x)\n", PCI_MSK_AUD_INT); | |
1329 | if (pci_status & PCI_MSK_AUD_EXT) | |
1330 | dprintk(7, " (PCI_MSK_AUD_EXT 0x%08x)\n", PCI_MSK_AUD_EXT); | |
1331 | ||
1332 | } | |
1333 | ||
a6a3f140 ST |
1334 | if (ts1_status) |
1335 | handled += cx23885_irq_ts(ts1, ts1_status); | |
6f074abb | 1336 | |
a6a3f140 ST |
1337 | if (ts2_status) |
1338 | handled += cx23885_irq_ts(ts2, ts2_status); | |
6f074abb ST |
1339 | |
1340 | if (handled) | |
1341 | cx_write(PCI_INT_STAT, pci_status); | |
d19770e5 ST |
1342 | out: |
1343 | return IRQ_RETVAL(handled); | |
1344 | } | |
1345 | ||
1346 | static int __devinit cx23885_initdev(struct pci_dev *pci_dev, | |
44a6481d | 1347 | const struct pci_device_id *pci_id) |
d19770e5 ST |
1348 | { |
1349 | struct cx23885_dev *dev; | |
1350 | int err; | |
1351 | ||
44a6481d | 1352 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
d19770e5 ST |
1353 | if (NULL == dev) |
1354 | return -ENOMEM; | |
1355 | ||
1356 | /* pci init */ | |
1357 | dev->pci = pci_dev; | |
1358 | if (pci_enable_device(pci_dev)) { | |
1359 | err = -EIO; | |
1360 | goto fail_free; | |
1361 | } | |
1362 | ||
1363 | if (cx23885_dev_setup(dev) < 0) { | |
1364 | err = -EINVAL; | |
1365 | goto fail_free; | |
1366 | } | |
1367 | ||
1368 | /* print pci info */ | |
1369 | pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); | |
1370 | pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); | |
1371 | printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " | |
1372 | "latency: %d, mmio: 0x%llx\n", dev->name, | |
1373 | pci_name(pci_dev), dev->pci_rev, pci_dev->irq, | |
1374 | dev->pci_lat, (unsigned long long)pci_resource_start(pci_dev,0)); | |
1375 | ||
1376 | pci_set_master(pci_dev); | |
1377 | if (!pci_dma_supported(pci_dev, 0xffffffff)) { | |
1378 | printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); | |
1379 | err = -EIO; | |
1380 | goto fail_irq; | |
1381 | } | |
1382 | ||
44a6481d MK |
1383 | err = request_irq(pci_dev->irq, cx23885_irq, |
1384 | IRQF_SHARED | IRQF_DISABLED, dev->name, dev); | |
d19770e5 ST |
1385 | if (err < 0) { |
1386 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
1387 | dev->name, pci_dev->irq); | |
1388 | goto fail_irq; | |
1389 | } | |
1390 | ||
1391 | pci_set_drvdata(pci_dev, dev); | |
1392 | return 0; | |
1393 | ||
1394 | fail_irq: | |
1395 | cx23885_dev_unregister(dev); | |
1396 | fail_free: | |
1397 | kfree(dev); | |
1398 | return err; | |
1399 | } | |
1400 | ||
1401 | static void __devexit cx23885_finidev(struct pci_dev *pci_dev) | |
1402 | { | |
1403 | struct cx23885_dev *dev = pci_get_drvdata(pci_dev); | |
1404 | ||
1405 | cx23885_shutdown(dev); | |
1406 | ||
1407 | pci_disable_device(pci_dev); | |
1408 | ||
1409 | /* unregister stuff */ | |
1410 | free_irq(pci_dev->irq, dev); | |
1411 | pci_set_drvdata(pci_dev, NULL); | |
1412 | ||
1413 | mutex_lock(&devlist); | |
1414 | list_del(&dev->devlist); | |
1415 | mutex_unlock(&devlist); | |
1416 | ||
1417 | cx23885_dev_unregister(dev); | |
1418 | kfree(dev); | |
1419 | } | |
1420 | ||
1421 | static struct pci_device_id cx23885_pci_tbl[] = { | |
1422 | { | |
1423 | /* CX23885 */ | |
1424 | .vendor = 0x14f1, | |
1425 | .device = 0x8852, | |
1426 | .subvendor = PCI_ANY_ID, | |
1427 | .subdevice = PCI_ANY_ID, | |
1428 | },{ | |
1429 | /* CX23887 Rev 2 */ | |
1430 | .vendor = 0x14f1, | |
1431 | .device = 0x8880, | |
1432 | .subvendor = PCI_ANY_ID, | |
1433 | .subdevice = PCI_ANY_ID, | |
1434 | },{ | |
1435 | /* --- end of list --- */ | |
1436 | } | |
1437 | }; | |
1438 | MODULE_DEVICE_TABLE(pci, cx23885_pci_tbl); | |
1439 | ||
1440 | static struct pci_driver cx23885_pci_driver = { | |
1441 | .name = "cx23885", | |
1442 | .id_table = cx23885_pci_tbl, | |
1443 | .probe = cx23885_initdev, | |
1444 | .remove = __devexit_p(cx23885_finidev), | |
1445 | /* TODO */ | |
1446 | .suspend = NULL, | |
1447 | .resume = NULL, | |
1448 | }; | |
1449 | ||
1450 | static int cx23885_init(void) | |
1451 | { | |
1452 | printk(KERN_INFO "cx23885 driver version %d.%d.%d loaded\n", | |
047646bf ST |
1453 | (CX23885_VERSION_CODE >> 16) & 0xff, |
1454 | (CX23885_VERSION_CODE >> 8) & 0xff, | |
1455 | CX23885_VERSION_CODE & 0xff); | |
d19770e5 ST |
1456 | #ifdef SNAPSHOT |
1457 | printk(KERN_INFO "cx23885: snapshot date %04d-%02d-%02d\n", | |
1458 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
1459 | #endif | |
1460 | return pci_register_driver(&cx23885_pci_driver); | |
1461 | } | |
1462 | ||
1463 | static void cx23885_fini(void) | |
1464 | { | |
1465 | pci_unregister_driver(&cx23885_pci_driver); | |
1466 | } | |
1467 | ||
1468 | module_init(cx23885_init); | |
1469 | module_exit(cx23885_fini); | |
1470 | ||
1471 | /* ----------------------------------------------------------- */ | |
1472 | /* | |
1473 | * Local variables: | |
1474 | * c-basic-offset: 8 | |
1475 | * End: | |
1476 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off | |
1477 | */ |