diff options
author | Steven Toth <stoth@hauppauge.com> | 2007-03-11 19:44:05 -0400 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-10-09 21:07:56 -0400 |
commit | d19770e5178a4bc49641711246360c25781d20a4 (patch) | |
tree | a8984db06c4344b00718e958c12ee403eb339278 /drivers/media/video/cx23885/cx23885-core.c | |
parent | 275511a0aca8483c03df1c6e3a33a27cee334709 (diff) |
V4L/DVB (6150): Add CX23885/CX23887 PCIe bridge driver
This is a new framework to support boards based on the CX23885/7 PCIe
bridge. The framework supports digital (no analog yet)
Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media/video/cx23885/cx23885-core.c')
-rw-r--r-- | drivers/media/video/cx23885/cx23885-core.c | 1601 |
1 files changed, 1601 insertions, 0 deletions
diff --git a/drivers/media/video/cx23885/cx23885-core.c b/drivers/media/video/cx23885/cx23885-core.c new file mode 100644 index 000000000000..876d396fb7a3 --- /dev/null +++ b/drivers/media/video/cx23885/cx23885-core.c | |||
@@ -0,0 +1,1601 @@ | |||
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 | |||
76 | struct sram_channel cx23885_sram_channels[] = { | ||
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] = { | ||
103 | .name = "ch3", | ||
104 | .cmds_start = 0x0, | ||
105 | .ctrl_start = 0x0, | ||
106 | .cdt = 0x0, | ||
107 | .fifo_start = 0x0, | ||
108 | .fifo_size = 0x0, | ||
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 | |||
208 | struct sram_channel cx23887_sram_channels[] = { | ||
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, | ||
273 | .cdt = 0x10480, | ||
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] = { | ||
334 | [ RISC_WRITE >> 28 ] = 3, // 2 | ||
335 | [ RISC_JUMP >> 28 ] = 3, // 2 | ||
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"); | ||
352 | for (i = ARRAY_SIZE(bits)-1; i >= 0; i--) | ||
353 | if (risc & (1 << (i + 12))) | ||
354 | printk(" %s",bits[i]); | ||
355 | printk(" count=%d ]\n", risc & 0xfff); | ||
356 | return incr[risc >> 28] ? incr[risc >> 28] : 1; | ||
357 | } | ||
358 | |||
359 | void cx23885_wakeup(struct cx23885_tsport *port, | ||
360 | struct cx23885_dmaqueue *q, u32 count) | ||
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); | ||
371 | /* count comes from the hw and is is 16bit wide -- | ||
372 | * this trick handles wrap-arounds correctly for | ||
373 | * up to 32767 buffers in flight... */ | ||
374 | if ((s16) (count - buf->count) < 0) | ||
375 | break; | ||
376 | do_gettimeofday(&buf->vb.ts); | ||
377 | dprintk(2,"[%p/%d] wakeup reg=%d buf=%d\n",buf,buf->vb.i, | ||
378 | count, buf->count); | ||
379 | buf->vb.state = STATE_DONE; | ||
380 | list_del(&buf->vb.queue); | ||
381 | wake_up(&buf->vb.done); | ||
382 | } | ||
383 | if (list_empty(&q->active)) { | ||
384 | del_timer(&q->timeout); | ||
385 | } else { | ||
386 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | ||
387 | } | ||
388 | if (bc != 1) | ||
389 | printk("%s: %d buffers handled (should be 1)\n",__FUNCTION__,bc); | ||
390 | } | ||
391 | void cx23885_sram_channel_dump(struct cx23885_dev *dev, | ||
392 | struct sram_channel *ch); | ||
393 | |||
394 | int cx23885_sram_channel_setup(struct cx23885_dev *dev, | ||
395 | struct sram_channel *ch, | ||
396 | unsigned int bpl, u32 risc) | ||
397 | { | ||
398 | unsigned int i,lines; | ||
399 | u32 cdt; | ||
400 | |||
401 | if (ch->cmds_start == 0) | ||
402 | { | ||
403 | dprintk(1, "%s() Erasing channel [%s]\n",__FUNCTION__, ch->name); | ||
404 | cx_write(ch->ptr1_reg, 0); | ||
405 | cx_write(ch->ptr2_reg, 0); | ||
406 | cx_write(ch->cnt2_reg, 0); | ||
407 | cx_write(ch->cnt1_reg, 0); | ||
408 | return 0; | ||
409 | } else { | ||
410 | dprintk(1, "%s() Configuring channel [%s]\n",__FUNCTION__, ch->name); | ||
411 | } | ||
412 | |||
413 | bpl = (bpl + 7) & ~7; /* alignment */ | ||
414 | cdt = ch->cdt; | ||
415 | lines = ch->fifo_size / bpl; | ||
416 | if (lines > 6) | ||
417 | lines = 6; | ||
418 | BUG_ON(lines < 2); | ||
419 | |||
420 | cx_write(8+0, cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC) ); | ||
421 | cx_write(8+4, cpu_to_le32(8) ); | ||
422 | cx_write(8+8, cpu_to_le32(0) ); | ||
423 | |||
424 | /* write CDT */ | ||
425 | for (i = 0; i < lines; i++) { | ||
426 | dprintk(2, "%s() 0x%08x <- 0x%08x\n", __FUNCTION__, cdt + 16*i, ch->fifo_start + bpl*i); | ||
427 | cx_write(cdt + 16*i, ch->fifo_start + bpl*i); | ||
428 | cx_write(cdt + 16*i + 4, 0); | ||
429 | cx_write(cdt + 16*i + 8, 0); | ||
430 | cx_write(cdt + 16*i + 12, 0); | ||
431 | } | ||
432 | |||
433 | /* write CMDS */ | ||
434 | if (ch->jumponly) | ||
435 | cx_write(ch->cmds_start + 0, 8); | ||
436 | else | ||
437 | cx_write(ch->cmds_start + 0, risc); | ||
438 | cx_write(ch->cmds_start + 4, 0); /* 64 bits 63-32 */ | ||
439 | cx_write(ch->cmds_start + 8, cdt); | ||
440 | cx_write(ch->cmds_start + 12, (lines*16) >> 3); | ||
441 | cx_write(ch->cmds_start + 16, ch->ctrl_start); | ||
442 | if (ch->jumponly) | ||
443 | cx_write(ch->cmds_start + 20, 0x80000000 | (64 >> 2) ); | ||
444 | else | ||
445 | cx_write(ch->cmds_start + 20, 64 >> 2); | ||
446 | for (i = 24; i < 80; i += 4) | ||
447 | cx_write(ch->cmds_start + i, 0); | ||
448 | |||
449 | /* fill registers */ | ||
450 | cx_write(ch->ptr1_reg, ch->fifo_start); | ||
451 | cx_write(ch->ptr2_reg, cdt); | ||
452 | cx_write(ch->cnt2_reg, (lines*16) >> 3); | ||
453 | cx_write(ch->cnt1_reg, (bpl >> 3) -1); | ||
454 | |||
455 | dprintk(2,"[bridged %d] sram setup %s: bpl=%d lines=%d\n", | ||
456 | cx23885_boards[dev->board].bridge, | ||
457 | ch->name, | ||
458 | bpl, | ||
459 | lines); | ||
460 | |||
461 | return 0; | ||
462 | } | ||
463 | |||
464 | void cx23885_sram_channel_dump(struct cx23885_dev *dev, | ||
465 | struct sram_channel *ch) | ||
466 | { | ||
467 | static char *name[] = { | ||
468 | "init risc lo", | ||
469 | "init risc hi", | ||
470 | "cdt base", | ||
471 | "cdt size", | ||
472 | "iq base", | ||
473 | "iq size", | ||
474 | "risc pc lo", | ||
475 | "risc pc hi", | ||
476 | "iq wr ptr", | ||
477 | "iq rd ptr", | ||
478 | "cdt current", | ||
479 | "pci target lo", | ||
480 | "pci target hi", | ||
481 | "line / byte", | ||
482 | }; | ||
483 | u32 risc; | ||
484 | unsigned int i,j,n; | ||
485 | |||
486 | printk("%s: %s - dma channel status dump\n", | ||
487 | dev->name, ch->name); | ||
488 | for (i = 0; i < ARRAY_SIZE(name); i++) | ||
489 | printk("%s: cmds: %-15s: 0x%08x\n", | ||
490 | dev->name, name[i], | ||
491 | cx_read(ch->cmds_start + 4*i)); | ||
492 | |||
493 | for (i = 0; i < 4; i++) { | ||
494 | risc = cx_read(ch->cmds_start + 4 * (i+14)); | ||
495 | printk("%s: risc%d: ", dev->name, i); | ||
496 | cx23885_risc_decode(risc); | ||
497 | } | ||
498 | for (i = 0; i < (64 >> 2); i += n) { | ||
499 | risc = cx_read(ch->ctrl_start + 4 * i); /* No consideration for bits 63-32 */ | ||
500 | printk("%s: (0x%08x) iq %x: ", dev->name, ch->ctrl_start + 4 * i, i); | ||
501 | n = cx23885_risc_decode(risc); | ||
502 | for (j = 1; j < n; j++) { | ||
503 | risc = cx_read(ch->ctrl_start + 4 * (i+j)); | ||
504 | printk("%s: iq %x: 0x%08x [ arg #%d ]\n", | ||
505 | dev->name, i+j, risc, j); | ||
506 | } | ||
507 | } | ||
508 | |||
509 | printk("%s: fifo: 0x%08x -> 0x%x\n", | ||
510 | dev->name, ch->fifo_start, ch->fifo_start+ch->fifo_size); | ||
511 | printk("%s: ctrl: 0x%08x -> 0x%x\n", | ||
512 | dev->name, ch->ctrl_start, ch->ctrl_start+6*16); | ||
513 | printk("%s: ptr1_reg: 0x%08x\n", | ||
514 | dev->name, cx_read(ch->ptr1_reg)); | ||
515 | printk("%s: ptr2_reg: 0x%08x\n", | ||
516 | dev->name, cx_read(ch->ptr2_reg)); | ||
517 | printk("%s: cnt1_reg: 0x%08x\n", | ||
518 | dev->name, cx_read(ch->cnt1_reg)); | ||
519 | printk("%s: cnt2_reg: 0x%08x\n", | ||
520 | dev->name, cx_read(ch->cnt2_reg)); | ||
521 | } | ||
522 | |||
523 | void cx23885_risc_disasm(struct cx23885_tsport *port, struct btcx_riscmem *risc) | ||
524 | { | ||
525 | struct cx23885_dev *dev = port->dev; | ||
526 | unsigned int i,j,n; | ||
527 | |||
528 | printk("%s: risc disasm: %p [dma=0x%08lx]\n", | ||
529 | dev->name, risc->cpu, (unsigned long)risc->dma); | ||
530 | for (i = 0; i < (risc->size >> 2); i += n) { | ||
531 | printk("%s: %04d: ", dev->name, i); | ||
532 | n = cx23885_risc_decode(risc->cpu[i]); | ||
533 | for (j = 1; j < n; j++) | ||
534 | printk("%s: %04d: 0x%08x [ arg #%d ]\n", | ||
535 | dev->name, i+j, risc->cpu[i+j], j); | ||
536 | if (risc->cpu[i] == RISC_JUMP) | ||
537 | break; | ||
538 | } | ||
539 | } | ||
540 | |||
541 | void cx23885_shutdown(struct cx23885_dev *dev) | ||
542 | { | ||
543 | /* disable RISC controller */ | ||
544 | cx_write(DEV_CNTRL2, 0); | ||
545 | |||
546 | /* Disable all IR activity */ | ||
547 | cx_write(IR_CNTRL_REG, 0); | ||
548 | |||
549 | /* Disable Video A/B activity */ | ||
550 | cx_write(VID_A_DMA_CTL, 0); | ||
551 | cx_write(VID_B_DMA_CTL, 0); | ||
552 | cx_write(VID_C_DMA_CTL, 0); | ||
553 | |||
554 | /* Disable Audio activity */ | ||
555 | cx_write(AUD_INT_DMA_CTL, 0); | ||
556 | cx_write(AUD_EXT_DMA_CTL, 0); | ||
557 | |||
558 | /* Disable Serial port */ | ||
559 | cx_write(UART_CTL, 0); | ||
560 | |||
561 | /* Disable Interrupts */ | ||
562 | cx_write(PCI_INT_MSK, 0); | ||
563 | cx_write(VID_A_INT_MSK, 0); | ||
564 | cx_write(VID_B_INT_MSK, 0); | ||
565 | cx_write(VID_C_INT_MSK, 0); | ||
566 | cx_write(AUDIO_INT_INT_MSK, 0); | ||
567 | cx_write(AUDIO_EXT_INT_MSK, 0); | ||
568 | |||
569 | } | ||
570 | |||
571 | void cx23885_reset(struct cx23885_dev *dev) | ||
572 | { | ||
573 | dprintk(1, "%s()\n", __FUNCTION__); | ||
574 | |||
575 | cx23885_shutdown(dev); | ||
576 | |||
577 | cx_write(PCI_INT_STAT, 0xffffffff); | ||
578 | cx_write(VID_A_INT_STAT, 0xffffffff); | ||
579 | cx_write(VID_B_INT_STAT, 0xffffffff); | ||
580 | cx_write(VID_C_INT_STAT, 0xffffffff); | ||
581 | cx_write(AUDIO_INT_INT_STAT, 0xffffffff); | ||
582 | cx_write(AUDIO_EXT_INT_STAT, 0xffffffff); | ||
583 | cx_write(CLK_DELAY, cx_read(CLK_DELAY) & 0x80000000); | ||
584 | |||
585 | mdelay(100); | ||
586 | |||
587 | #if SRAM | ||
588 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH01 ], 188*4, 0); | ||
589 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH02 ], 128, 0); | ||
590 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH03 ], 128, 0); | ||
591 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH04 ], 128, 0); | ||
592 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH05 ], 128, 0); | ||
593 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH06 ], 188*4, 0); | ||
594 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH07 ], 128, 0); | ||
595 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH08 ], 128, 0); | ||
596 | cx23885_sram_channel_setup(dev, &dev->sram_channels[ SRAM_CH09 ], 128, 0); | ||
597 | |||
598 | #else | ||
599 | // FIXME: Put a pointer to the sram_channel table in cx23885_dev | ||
600 | // and stop all this ugly switch/if code | ||
601 | switch(cx23885_boards[dev->board].bridge) { | ||
602 | case CX23885_BRIDGE_885: | ||
603 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH01 ], 188*4, 0); | ||
604 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH02 ], 128, 0); | ||
605 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH03 ], 128, 0); | ||
606 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH04 ], 128, 0); | ||
607 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH05 ], 128, 0); | ||
608 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH06 ], 188*4, 0); | ||
609 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH07 ], 128, 0); | ||
610 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH08 ], 128, 0); | ||
611 | cx23885_sram_channel_setup(dev, &cx23885_sram_channels[ SRAM_CH09 ], 128, 0); | ||
612 | break; | ||
613 | case CX23885_BRIDGE_887: | ||
614 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH01 ], 188*4, 0); | ||
615 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH02 ], 128, 0); | ||
616 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH03 ], 128, 0); | ||
617 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH04 ], 128, 0); | ||
618 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH05 ], 128, 0); | ||
619 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH06 ], 188*4, 0); | ||
620 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH07 ], 128, 0); | ||
621 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH08 ], 128, 0); | ||
622 | cx23885_sram_channel_setup(dev, &cx23887_sram_channels[ SRAM_CH09 ], 128, 0); | ||
623 | break; | ||
624 | default: | ||
625 | printk(KERN_ERR "%s() error, default case", __FUNCTION__ ); | ||
626 | } | ||
627 | #endif | ||
628 | |||
629 | switch(dev->board) { | ||
630 | case CX23885_BOARD_HAUPPAUGE_HVR1800: | ||
631 | /* GPIO-0 656_CLK */ | ||
632 | /* GPIO-1 656_D0 */ | ||
633 | /* GPIO-2 8295A Reset */ | ||
634 | /* GPIO-3-10 cx23417 data0-7 */ | ||
635 | /* GPIO-11-14 cx23417 addr0-3 */ | ||
636 | /* GPIO-15-18 cx23417 READY, CS, RD, WR */ | ||
637 | /* GPIO-19 IR_RX */ | ||
638 | dprintk( 1, "%s() Configuring HVR1800 GPIO's\n", __FUNCTION__); | ||
639 | // FIXME: Analog requires the tuner is brought out of reset | ||
640 | break; | ||
641 | } | ||
642 | } | ||
643 | |||
644 | |||
645 | static int cx23885_pci_quirks(struct cx23885_dev *dev) | ||
646 | { | ||
647 | dprintk(1, "%s()\n", __FUNCTION__); | ||
648 | |||
649 | switch(dev->board) { | ||
650 | case CX23885_BOARD_HAUPPAUGE_HVR1800lp: | ||
651 | cx_clear(RDR_TLCTL0, 1 << 4); | ||
652 | break; | ||
653 | } | ||
654 | return 0; | ||
655 | } | ||
656 | |||
657 | static int get_resources(struct cx23885_dev *dev) | ||
658 | { | ||
659 | if (request_mem_region(pci_resource_start(dev->pci,0), | ||
660 | pci_resource_len(dev->pci,0), | ||
661 | dev->name)) | ||
662 | return 0; | ||
663 | |||
664 | printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", | ||
665 | dev->name, (unsigned long long)pci_resource_start(dev->pci,0)); | ||
666 | |||
667 | return -EBUSY; | ||
668 | } | ||
669 | |||
670 | static void cx23885_timeout(unsigned long data); | ||
671 | int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, | ||
672 | u32 reg, u32 mask, u32 value); | ||
673 | |||
674 | static int cx23885_ir_init(struct cx23885_dev *dev) | ||
675 | { | ||
676 | dprintk(1, "%s()\n", __FUNCTION__); | ||
677 | |||
678 | switch (dev->board) { | ||
679 | case CX23885_BOARD_HAUPPAUGE_HVR1800: | ||
680 | dprintk(1, "%s() FIXME - Implement IR support\n", __FUNCTION__); | ||
681 | break; | ||
682 | } | ||
683 | |||
684 | return 0; | ||
685 | } | ||
686 | |||
687 | static int cx23885_dev_setup(struct cx23885_dev *dev) | ||
688 | { | ||
689 | int i; | ||
690 | |||
691 | mutex_init(&dev->lock); | ||
692 | |||
693 | atomic_inc(&dev->refcount); | ||
694 | |||
695 | dev->nr = cx23885_devcount++; | ||
696 | dev->pci_bus = dev->pci->bus->number; | ||
697 | dev->pci_slot = PCI_SLOT(dev->pci->devfn); | ||
698 | dev->pci_irqmask = 0x001f00; | ||
699 | |||
700 | /* External Master 1 Bus */ | ||
701 | dev->i2c_bus[0].nr = 0; | ||
702 | dev->i2c_bus[0].dev = dev; | ||
703 | dev->i2c_bus[0].reg_stat = I2C1_STAT; | ||
704 | dev->i2c_bus[0].reg_ctrl = I2C1_CTRL; | ||
705 | dev->i2c_bus[0].reg_addr = I2C1_ADDR; | ||
706 | dev->i2c_bus[0].reg_rdata = I2C1_RDATA; | ||
707 | dev->i2c_bus[0].reg_wdata = I2C1_WDATA; | ||
708 | dev->i2c_bus[0].i2c_period = (0x9d << 24); /* 100kHz */ | ||
709 | |||
710 | /* External Master 2 Bus */ | ||
711 | dev->i2c_bus[1].nr = 1; | ||
712 | dev->i2c_bus[1].dev = dev; | ||
713 | dev->i2c_bus[1].reg_stat = I2C2_STAT; | ||
714 | dev->i2c_bus[1].reg_ctrl = I2C2_CTRL; | ||
715 | dev->i2c_bus[1].reg_addr = I2C2_ADDR; | ||
716 | dev->i2c_bus[1].reg_rdata = I2C2_RDATA; | ||
717 | dev->i2c_bus[1].reg_wdata = I2C2_WDATA; | ||
718 | dev->i2c_bus[1].i2c_period = (0x9d << 24); /* 100kHz */ | ||
719 | |||
720 | /* Internal Master 3 Bus */ | ||
721 | dev->i2c_bus[2].nr = 2; | ||
722 | dev->i2c_bus[2].dev = dev; | ||
723 | dev->i2c_bus[2].reg_stat = I2C3_STAT; | ||
724 | dev->i2c_bus[2].reg_ctrl = I2C3_CTRL; | ||
725 | dev->i2c_bus[2].reg_addr = I2C2_ADDR; | ||
726 | dev->i2c_bus[2].reg_rdata = I2C3_RDATA; | ||
727 | dev->i2c_bus[2].reg_wdata = I2C3_WDATA; | ||
728 | dev->i2c_bus[2].i2c_period = (0x07 << 24); /* 1.95MHz */ | ||
729 | |||
730 | /* Transport bus init dma queue */ | ||
731 | spin_lock_init(&dev->ts2.slock); | ||
732 | dev->ts2.dev = dev; | ||
733 | dev->ts2.nr = 2; | ||
734 | dev->ts2.sram_chno = SRAM_CH06; | ||
735 | INIT_LIST_HEAD(&dev->ts2.mpegq.active); | ||
736 | INIT_LIST_HEAD(&dev->ts2.mpegq.queued); | ||
737 | dev->ts2.mpegq.timeout.function = cx23885_timeout; | ||
738 | dev->ts2.mpegq.timeout.data = (unsigned long)&dev->ts2; | ||
739 | init_timer(&dev->ts2.mpegq.timeout); | ||
740 | |||
741 | dev->ts2.reg_gpcnt = VID_C_GPCNT; | ||
742 | dev->ts2.reg_gpcnt_ctl = VID_C_GPCNT_CTL; | ||
743 | dev->ts2.reg_dma_ctl = VID_C_DMA_CTL; | ||
744 | dev->ts2.reg_lngth = VID_C_LNGTH; | ||
745 | dev->ts2.reg_hw_sop_ctrl = VID_C_HW_SOP_CTL; | ||
746 | dev->ts2.reg_gen_ctrl = VID_C_GEN_CTL; | ||
747 | dev->ts2.reg_bd_pkt_status = VID_C_BD_PKT_STATUS; | ||
748 | dev->ts2.reg_sop_status = VID_C_SOP_STATUS; | ||
749 | dev->ts2.reg_fifo_ovfl_stat = VID_C_FIFO_OVFL_STAT; | ||
750 | dev->ts2.reg_vld_misc = VID_C_VLD_MISC; | ||
751 | dev->ts2.reg_ts_clk_en = VID_C_TS_CLK_EN; | ||
752 | dev->ts2.reg_ts_int_msk = VID_C_INT_MSK; | ||
753 | |||
754 | // FIXME: Make this board specific | ||
755 | dev->ts2.pci_irqmask = 0x04; /* TS Port 2 bit */ | ||
756 | dev->ts2.dma_ctl_val = 0x11; /* Enable RISC controller and Fifo */ | ||
757 | dev->ts2.ts_int_msk_val = 0x1111; /* TS port bits for RISC */ | ||
758 | dev->ts2.gen_ctrl_val = 0xc; /* Serial bus + punctured clock */ | ||
759 | dev->ts2.ts_clk_en_val = 0x1; /* Enable TS_CLK */ | ||
760 | |||
761 | cx23885_risc_stopper(dev->pci, &dev->ts2.mpegq.stopper, dev->ts2.reg_dma_ctl, dev->ts2.dma_ctl_val, 0x00); | ||
762 | |||
763 | sprintf(dev->name,"cx23885[%d]", dev->nr); | ||
764 | |||
765 | if (get_resources(dev) < 0) { | ||
766 | printk(KERN_ERR "CORE %s No more PCIe resources for " | ||
767 | "subsystem: %04x:%04x\n", | ||
768 | dev->name, dev->pci->subsystem_vendor, | ||
769 | dev->pci->subsystem_device); | ||
770 | |||
771 | cx23885_devcount--; | ||
772 | goto fail_free; | ||
773 | } | ||
774 | |||
775 | mutex_lock(&devlist); | ||
776 | list_add_tail(&dev->devlist, &cx23885_devlist); | ||
777 | mutex_unlock(&devlist); | ||
778 | |||
779 | /* PCIe stuff */ | ||
780 | dev->lmmio = ioremap(pci_resource_start(dev->pci,0), | ||
781 | pci_resource_len(dev->pci,0)); | ||
782 | |||
783 | dev->bmmio = (u8 __iomem *)dev->lmmio; | ||
784 | |||
785 | cx23885_pci_quirks(dev); | ||
786 | |||
787 | /* board config */ | ||
788 | dev->board = UNSET; | ||
789 | if (card[dev->nr] < cx23885_bcount) | ||
790 | dev->board = card[dev->nr]; | ||
791 | for (i = 0; UNSET == dev->board && i < cx23885_idcount; i++) | ||
792 | if (dev->pci->subsystem_vendor == cx23885_subids[i].subvendor && | ||
793 | dev->pci->subsystem_device == cx23885_subids[i].subdevice) | ||
794 | dev->board = cx23885_subids[i].card; | ||
795 | if (UNSET == dev->board) { | ||
796 | dev->board = CX23885_BOARD_UNKNOWN; | ||
797 | cx23885_card_list(dev); | ||
798 | } | ||
799 | printk(KERN_INFO "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", | ||
800 | dev->name, dev->pci->subsystem_vendor, | ||
801 | dev->pci->subsystem_device, cx23885_boards[dev->board].name, | ||
802 | dev->board, card[dev->nr] == dev->board ? | ||
803 | "insmod option" : "autodetected"); | ||
804 | |||
805 | /* Configure the hardware internal memory for fifos */ | ||
806 | switch(cx23885_boards[dev->board].bridge) { | ||
807 | case CX23885_BRIDGE_UNDEFINED: | ||
808 | case CX23885_BRIDGE_885: | ||
809 | dev->sram_channels = cx23885_sram_channels; | ||
810 | break; | ||
811 | case CX23885_BRIDGE_887: | ||
812 | dev->sram_channels = cx23887_sram_channels; | ||
813 | break; | ||
814 | default: | ||
815 | printk(KERN_ERR "%s() error, default case", __FUNCTION__ ); | ||
816 | } | ||
817 | |||
818 | /* init hardware */ | ||
819 | cx23885_reset(dev); | ||
820 | |||
821 | cx23885_i2c_register(&dev->i2c_bus[0]); | ||
822 | cx23885_i2c_register(&dev->i2c_bus[1]); | ||
823 | cx23885_i2c_register(&dev->i2c_bus[2]); | ||
824 | cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL); | ||
825 | |||
826 | cx23885_card_setup(dev); | ||
827 | cx23885_ir_init(dev); | ||
828 | |||
829 | if (cx23885_dvb_register(&dev->ts2) < 0) { | ||
830 | printk(KERN_ERR "%s() Failed to register dvb adapters\n", __FUNCTION__); | ||
831 | } | ||
832 | |||
833 | return 0; | ||
834 | |||
835 | fail_free: | ||
836 | kfree(dev); | ||
837 | return -ENODEV; | ||
838 | } | ||
839 | |||
840 | void cx23885_dev_unregister(struct cx23885_dev *dev) | ||
841 | { | ||
842 | release_mem_region(pci_resource_start(dev->pci,0), | ||
843 | pci_resource_len(dev->pci,0)); | ||
844 | |||
845 | if (!atomic_dec_and_test(&dev->refcount)) | ||
846 | return; | ||
847 | |||
848 | cx23885_dvb_unregister(&dev->ts2); | ||
849 | cx23885_i2c_unregister(&dev->i2c_bus[2]); | ||
850 | cx23885_i2c_unregister(&dev->i2c_bus[1]); | ||
851 | cx23885_i2c_unregister(&dev->i2c_bus[0]); | ||
852 | |||
853 | iounmap(dev->lmmio); | ||
854 | } | ||
855 | |||
856 | static u32* cx23885_risc_field(u32 *rp, struct scatterlist *sglist, | ||
857 | unsigned int offset, u32 sync_line, | ||
858 | unsigned int bpl, unsigned int padding, | ||
859 | unsigned int lines) | ||
860 | { | ||
861 | struct scatterlist *sg; | ||
862 | unsigned int line,todo; | ||
863 | |||
864 | /* sync instruction */ | ||
865 | if (sync_line != NO_SYNC_LINE) | ||
866 | *(rp++) = cpu_to_le32(RISC_RESYNC | sync_line); | ||
867 | |||
868 | /* scan lines */ | ||
869 | sg = sglist; | ||
870 | for (line = 0; line < lines; line++) { | ||
871 | while (offset && offset >= sg_dma_len(sg)) { | ||
872 | offset -= sg_dma_len(sg); | ||
873 | sg++; | ||
874 | } | ||
875 | if (bpl <= sg_dma_len(sg)-offset) { | ||
876 | /* fits into current chunk */ | ||
877 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL|RISC_EOL|bpl); | ||
878 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); | ||
879 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | ||
880 | offset+=bpl; | ||
881 | } else { | ||
882 | /* scanline needs to be split */ | ||
883 | todo = bpl; | ||
884 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_SOL| | ||
885 | (sg_dma_len(sg)-offset)); | ||
886 | *(rp++)=cpu_to_le32(sg_dma_address(sg)+offset); | ||
887 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | ||
888 | todo -= (sg_dma_len(sg)-offset); | ||
889 | offset = 0; | ||
890 | sg++; | ||
891 | while (todo > sg_dma_len(sg)) { | ||
892 | *(rp++)=cpu_to_le32(RISC_WRITE| | ||
893 | sg_dma_len(sg)); | ||
894 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); | ||
895 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | ||
896 | todo -= sg_dma_len(sg); | ||
897 | sg++; | ||
898 | } | ||
899 | *(rp++)=cpu_to_le32(RISC_WRITE|RISC_EOL|todo); | ||
900 | *(rp++)=cpu_to_le32(sg_dma_address(sg)); | ||
901 | *(rp++)=cpu_to_le32(0); /* bits 63-32 */ | ||
902 | offset += todo; | ||
903 | } | ||
904 | offset += padding; | ||
905 | } | ||
906 | |||
907 | return rp; | ||
908 | } | ||
909 | |||
910 | int cx23885_risc_buffer(struct pci_dev *pci, struct btcx_riscmem *risc, | ||
911 | struct scatterlist *sglist, | ||
912 | unsigned int top_offset, unsigned int bottom_offset, | ||
913 | unsigned int bpl, unsigned int padding, unsigned int lines) | ||
914 | { | ||
915 | u32 instructions,fields; | ||
916 | u32 *rp; | ||
917 | int rc; | ||
918 | |||
919 | fields = 0; | ||
920 | if (UNSET != top_offset) | ||
921 | fields++; | ||
922 | if (UNSET != bottom_offset) | ||
923 | fields++; | ||
924 | |||
925 | /* estimate risc mem: worst case is one write per page border + | ||
926 | one write per scan line + syncs + jump (all 2 dwords). Padding | ||
927 | can cause next bpl to start close to a page border. First DMA | ||
928 | region may be smaller than PAGE_SIZE */ | ||
929 | /* write and jump need and extra dword */ | ||
930 | instructions = fields * (1 + ((bpl + padding) * lines) / PAGE_SIZE + lines); | ||
931 | instructions += 2; | ||
932 | //if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) | ||
933 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0) | ||
934 | return rc; | ||
935 | |||
936 | /* write risc instructions */ | ||
937 | rp = risc->cpu; | ||
938 | if (UNSET != top_offset) | ||
939 | rp = cx23885_risc_field(rp, sglist, top_offset, 0, | ||
940 | bpl, padding, lines); | ||
941 | if (UNSET != bottom_offset) | ||
942 | rp = cx23885_risc_field(rp, sglist, bottom_offset, 0x200, | ||
943 | bpl, padding, lines); | ||
944 | |||
945 | /* save pointer to jmp instruction address */ | ||
946 | risc->jmp = rp; | ||
947 | BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size); | ||
948 | return 0; | ||
949 | } | ||
950 | |||
951 | int cx23885_risc_databuffer(struct pci_dev *pci, struct btcx_riscmem *risc, | ||
952 | struct scatterlist *sglist, unsigned int bpl, | ||
953 | unsigned int lines) | ||
954 | { | ||
955 | u32 instructions; | ||
956 | u32 *rp; | ||
957 | int rc; | ||
958 | |||
959 | /* estimate risc mem: worst case is one write per page border + | ||
960 | one write per scan line + syncs + jump (all 2 dwords). Here | ||
961 | there is no padding and no sync. First DMA region may be smaller | ||
962 | than PAGE_SIZE */ | ||
963 | /* Jump and write need an extra dword */ | ||
964 | instructions = 1 + (bpl * lines) / PAGE_SIZE + lines; | ||
965 | instructions += 1; | ||
966 | |||
967 | //if ((rc = btcx_riscmem_alloc(pci,risc,instructions*8)) < 0) | ||
968 | if ((rc = btcx_riscmem_alloc(pci,risc,instructions*12)) < 0) | ||
969 | return rc; | ||
970 | |||
971 | /* write risc instructions */ | ||
972 | rp = risc->cpu; | ||
973 | rp = cx23885_risc_field(rp, sglist, 0, NO_SYNC_LINE, bpl, 0, lines); | ||
974 | |||
975 | /* save pointer to jmp instruction address */ | ||
976 | risc->jmp = rp; | ||
977 | BUG_ON((risc->jmp - risc->cpu + 2) * sizeof (*risc->cpu) > risc->size); | ||
978 | return 0; | ||
979 | } | ||
980 | |||
981 | int cx23885_risc_stopper(struct pci_dev *pci, struct btcx_riscmem *risc, | ||
982 | u32 reg, u32 mask, u32 value) | ||
983 | { | ||
984 | u32 *rp; | ||
985 | int rc; | ||
986 | |||
987 | if ((rc = btcx_riscmem_alloc(pci, risc, 4*16)) < 0) | ||
988 | return rc; | ||
989 | |||
990 | /* write risc instructions */ | ||
991 | rp = risc->cpu; | ||
992 | //*(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2 | RISC_IMM); | ||
993 | *(rp++) = cpu_to_le32(RISC_WRITECR | RISC_IRQ2); | ||
994 | *(rp++) = cpu_to_le32(reg); | ||
995 | *(rp++) = cpu_to_le32(value); | ||
996 | *(rp++) = cpu_to_le32(mask); | ||
997 | *(rp++) = cpu_to_le32(RISC_JUMP); | ||
998 | *(rp++) = cpu_to_le32(risc->dma); | ||
999 | *(rp++) = cpu_to_le32(0); /* bits 63-32 */ | ||
1000 | return 0; | ||
1001 | } | ||
1002 | |||
1003 | void cx23885_free_buffer(struct videobuf_queue *q, struct cx23885_buffer *buf) | ||
1004 | { | ||
1005 | BUG_ON(in_interrupt()); | ||
1006 | videobuf_waiton(&buf->vb,0,0); | ||
1007 | videobuf_dma_unmap(q, &buf->vb.dma); | ||
1008 | videobuf_dma_free(&buf->vb.dma); | ||
1009 | btcx_riscmem_free((struct pci_dev *)q->dev, &buf->risc); | ||
1010 | buf->vb.state = STATE_NEEDS_INIT; | ||
1011 | } | ||
1012 | |||
1013 | static int cx23885_start_dma(struct cx23885_tsport *port, | ||
1014 | struct cx23885_dmaqueue *q, | ||
1015 | struct cx23885_buffer *buf) | ||
1016 | { | ||
1017 | struct cx23885_dev *dev = port->dev; | ||
1018 | |||
1019 | dprintk(1, "%s() w: %d, h: %d, f: %d\n", __FUNCTION__, | ||
1020 | buf->vb.width, buf->vb.height, buf->vb.field); | ||
1021 | |||
1022 | #if SRAM | ||
1023 | /* setup fifo + format */ | ||
1024 | cx23885_sram_channel_setup(dev, | ||
1025 | &dev->sram_channels[ port->sram_chno ], | ||
1026 | port->ts_packet_size, buf->risc.dma); | ||
1027 | if(debug > 5) | ||
1028 | cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ] ); | ||
1029 | #else | ||
1030 | // FIXME: Put a pointer to the sram_channel table in cx23885_dev | ||
1031 | // and stop all this ugly switch/if code | ||
1032 | switch(cx23885_boards[dev->board].bridge) { | ||
1033 | case CX23885_BRIDGE_885: | ||
1034 | cx23885_sram_channel_setup(dev, | ||
1035 | &cx23885_sram_channels[ port->sram_chno ], | ||
1036 | port->ts_packet_size, buf->risc.dma); | ||
1037 | if(debug > 5) | ||
1038 | cx23885_sram_channel_dump(dev, &cx23885_sram_channels[ port->sram_chno ] ); | ||
1039 | break; | ||
1040 | case CX23885_BRIDGE_887: | ||
1041 | cx23885_sram_channel_setup(dev, | ||
1042 | &cx23887_sram_channels[ port->sram_chno ], | ||
1043 | port->ts_packet_size, buf->risc.dma); | ||
1044 | if(debug > 5) | ||
1045 | cx23885_sram_channel_dump(dev, &cx23887_sram_channels[ port->sram_chno ] ); | ||
1046 | break; | ||
1047 | default: | ||
1048 | printk(KERN_ERR "%s() error, default case", __FUNCTION__ ); | ||
1049 | } | ||
1050 | #endif | ||
1051 | |||
1052 | if(debug > 5) | ||
1053 | cx23885_risc_disasm(port, &buf->risc); | ||
1054 | |||
1055 | /* write TS length to chip */ | ||
1056 | cx_write(port->reg_lngth, buf->vb.width); | ||
1057 | |||
1058 | if (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB)) { | ||
1059 | printk( "%s() Failed. Unsupported value in .portc (0x%08x)\n", __FUNCTION__, | ||
1060 | cx23885_boards[dev->board].portc ); | ||
1061 | return -EINVAL; | ||
1062 | } | ||
1063 | |||
1064 | // FIXME: review the need for these two lines | ||
1065 | dprintk( 1, "%s() doing .dvb\n", __FUNCTION__); | ||
1066 | udelay(100); | ||
1067 | |||
1068 | cx_write(port->reg_hw_sop_ctrl, 0x47 << 16 | 188 << 4); | ||
1069 | cx_write(port->reg_ts_clk_en, port->ts_clk_en_val); | ||
1070 | |||
1071 | // FIXME: review the need for this | ||
1072 | cx_write(GPIO2, 0x00); | ||
1073 | |||
1074 | switch (dev->board) { | ||
1075 | case CX23885_BOARD_HAUPPAUGE_HVR1800lp: | ||
1076 | case CX23885_BOARD_HAUPPAUGE_HVR1800: | ||
1077 | cx_write(port->reg_vld_misc, 0x00); | ||
1078 | dprintk(1, "%s() Configuring HVR1800/lp/1500 board\n", __FUNCTION__); | ||
1079 | break; | ||
1080 | default: | ||
1081 | // FIXME | ||
1082 | printk(KERN_ERR "%s() error, default case", __FUNCTION__ ); | ||
1083 | } | ||
1084 | |||
1085 | cx_write(port->reg_gen_ctrl, port->gen_ctrl_val); | ||
1086 | udelay(100); | ||
1087 | |||
1088 | /* reset counter to zero */ | ||
1089 | cx_write(port->reg_gpcnt_ctl, 3); | ||
1090 | q->count = 1; | ||
1091 | |||
1092 | /* A bug in the current 887 implementation, causes an NMI assert during | ||
1093 | * starting or stopping interrupts or dma. Avoid the bug for the time being, | ||
1094 | * enabling the developer to work on the demod/tuner locking work. | ||
1095 | */ | ||
1096 | switch(cx23885_boards[dev->board].bridge) { | ||
1097 | case CX23885_BRIDGE_885: | ||
1098 | /* enable irqs */ | ||
1099 | dprintk(1, "%s() enabling TS int's and DMA\n", __FUNCTION__ ); | ||
1100 | cx_set(port->reg_ts_int_msk, port->ts_int_msk_val); | ||
1101 | cx_set(port->reg_dma_ctl, port->dma_ctl_val); | ||
1102 | cx_set(PCI_INT_MSK, dev->pci_irqmask | port->pci_irqmask); | ||
1103 | break; | ||
1104 | case CX23885_BRIDGE_887: | ||
1105 | // FIXME | ||
1106 | dprintk(1, "%s() NOT enabling TS int's and DMA, NMI bug\n", __FUNCTION__ ); | ||
1107 | break; | ||
1108 | default: | ||
1109 | // FIXME: generate a sensible switch-default message | ||
1110 | printk(KERN_ERR "%s() error, default case", __FUNCTION__ ); | ||
1111 | } | ||
1112 | |||
1113 | dprintk(1, "%s() Register Dump\n", __FUNCTION__); | ||
1114 | dprintk(1, "%s() set port ts_int_msk, now %x\n", __FUNCTION__, cx_read(port->reg_ts_int_msk) ); | ||
1115 | dprintk(1, "%s() DEV_CNTRL2 0x%08x\n", __FUNCTION__, cx_read(DEV_CNTRL2) ); | ||
1116 | dprintk(1, "%s() PCI_INT_MSK 0x%08x\n", __FUNCTION__, cx_read(PCI_INT_MSK) ); | ||
1117 | dprintk(1, "%s() VID_A_INT_MSK 0x%08x\n", __FUNCTION__, cx_read(VID_A_INT_MSK) ); | ||
1118 | dprintk(1, "%s() VID_B_INT_MSK 0x%08x\n", __FUNCTION__, cx_read(VID_B_INT_MSK) ); | ||
1119 | dprintk(1, "%s() VID_C_INT_MSK 0x%08x\n", __FUNCTION__, cx_read(VID_C_INT_MSK) ); | ||
1120 | dprintk(1, "%s() VID_A_DMA_CTL 0x%08x\n", __FUNCTION__, cx_read(VID_A_DMA_CTL) ); | ||
1121 | dprintk(1, "%s() VID_B_DMA_CTL 0x%08x\n", __FUNCTION__, cx_read(VID_B_DMA_CTL) ); | ||
1122 | dprintk(1, "%s() VID_C_DMA_CTL 0x%08x\n", __FUNCTION__, cx_read(VID_C_DMA_CTL) ); | ||
1123 | dprintk(1, "%s() AUD_INT_INT_MSK 0x%08x\n", __FUNCTION__, cx_read(AUDIO_INT_INT_MSK) ); | ||
1124 | dprintk(1, "%s() AUD_INT_DMA_CTL 0x%08x\n", __FUNCTION__, cx_read(AUD_INT_DMA_CTL) ); | ||
1125 | dprintk(1, "%s() AUD_EXT_INT_MSK 0x%08x\n", __FUNCTION__, cx_read(AUDIO_EXT_INT_MSK) ); | ||
1126 | dprintk(1, "%s() AUD_EXT_DMA_CTL 0x%08x\n", __FUNCTION__, cx_read(AUD_EXT_DMA_CTL) ); | ||
1127 | |||
1128 | cx_set(DEV_CNTRL2, (1<<5)); /* Enable RISC controller */ | ||
1129 | |||
1130 | dprintk(1, "%s() set dev_cntrl2, now %x\n", __FUNCTION__, cx_read(DEV_CNTRL2) ); | ||
1131 | dprintk(1, "%s() VID_C_DMA_CTL , now %x\n", __FUNCTION__, cx_read(port->reg_dma_ctl) ); | ||
1132 | dprintk(1, "%s() VID_C_DMA_CTL , now %x\n", __FUNCTION__, cx_read(VID_C_DMA_CTL) ); | ||
1133 | dprintk(1, "%s() PAD_CTRL %x\n", __FUNCTION__, cx_read(PAD_CTRL) ); | ||
1134 | dprintk(1, "%s() GPIO2 %x\n", __FUNCTION__, cx_read(GPIO2) ); | ||
1135 | dprintk(1, "%s() VID_C_LN_LNGTH , now %x\n", __FUNCTION__, cx_read(port->reg_lngth) ); | ||
1136 | dprintk(1, "%s() VID_C_HW_SOP_CTL, now %x\n", __FUNCTION__, cx_read(port->reg_hw_sop_ctrl) ); | ||
1137 | dprintk(1, "%s() VID_C_GEN_CTL , now %x\n", __FUNCTION__, cx_read(port->reg_gen_ctrl) ); | ||
1138 | dprintk(1, "%s() VID_C_SOP_STATUS, now %x\n", __FUNCTION__, cx_read(VID_C_SOP_STATUS) ); | ||
1139 | dprintk(1, "%s() VID_C_TS_CLK_EN , now %x\n", __FUNCTION__, cx_read(VID_C_TS_CLK_EN) ); | ||
1140 | dprintk(1, "%s() VID_C_FIFO_OVLST, now %x\n", __FUNCTION__, cx_read(VID_C_FIFO_OVFL_STAT) ); | ||
1141 | dprintk(1, "%s() VID_C_INT_MSTAT , now 0x%08x\n", __FUNCTION__, cx_read(VID_C_INT_MSTAT) ); | ||
1142 | return 0; | ||
1143 | } | ||
1144 | |||
1145 | static int cx23885_stop_dma(struct cx23885_tsport *port) | ||
1146 | { | ||
1147 | struct cx23885_dev *dev = port->dev; | ||
1148 | dprintk(1, "%s()\n", __FUNCTION__); | ||
1149 | |||
1150 | /* Stop interrupts and DMA */ | ||
1151 | cx_clear(port->reg_ts_int_msk, port->ts_int_msk_val); | ||
1152 | cx_clear(port->reg_dma_ctl, port->dma_ctl_val); | ||
1153 | |||
1154 | return 0; | ||
1155 | } | ||
1156 | |||
1157 | static int cx23885_restart_queue(struct cx23885_tsport *port, | ||
1158 | struct cx23885_dmaqueue *q) | ||
1159 | { | ||
1160 | struct cx23885_dev *dev = port->dev; | ||
1161 | struct cx23885_buffer *buf; | ||
1162 | struct list_head *item; | ||
1163 | |||
1164 | dprintk(5, "%s()\n", __FUNCTION__); | ||
1165 | if (list_empty(&q->active)) | ||
1166 | { | ||
1167 | struct cx23885_buffer *prev; | ||
1168 | prev = NULL; | ||
1169 | |||
1170 | dprintk(5, "%s() queue is empty\n", __FUNCTION__); | ||
1171 | |||
1172 | for (;;) { | ||
1173 | if (list_empty(&q->queued)) | ||
1174 | return 0; | ||
1175 | buf = list_entry(q->queued.next, struct cx23885_buffer, vb.queue); | ||
1176 | if (NULL == prev) { | ||
1177 | list_del(&buf->vb.queue); | ||
1178 | list_add_tail(&buf->vb.queue,&q->active); | ||
1179 | cx23885_start_dma(port, q, buf); | ||
1180 | buf->vb.state = STATE_ACTIVE; | ||
1181 | buf->count = q->count++; | ||
1182 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | ||
1183 | dprintk(5,"[%p/%d] restart_queue - first active\n", | ||
1184 | buf,buf->vb.i); | ||
1185 | |||
1186 | } else if (prev->vb.width == buf->vb.width && | ||
1187 | prev->vb.height == buf->vb.height && | ||
1188 | prev->fmt == buf->fmt) { | ||
1189 | list_del(&buf->vb.queue); | ||
1190 | list_add_tail(&buf->vb.queue,&q->active); | ||
1191 | buf->vb.state = STATE_ACTIVE; | ||
1192 | buf->count = q->count++; | ||
1193 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | ||
1194 | prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */ | ||
1195 | dprintk(5,"[%p/%d] restart_queue - move to active\n", | ||
1196 | buf,buf->vb.i); | ||
1197 | } else { | ||
1198 | return 0; | ||
1199 | } | ||
1200 | prev = buf; | ||
1201 | } | ||
1202 | return 0; | ||
1203 | } | ||
1204 | |||
1205 | buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue); | ||
1206 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | ||
1207 | buf, buf->vb.i); | ||
1208 | cx23885_start_dma(port, q, buf); | ||
1209 | list_for_each(item,&q->active) { | ||
1210 | buf = list_entry(item, struct cx23885_buffer, vb.queue); | ||
1211 | buf->count = q->count++; | ||
1212 | } | ||
1213 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | ||
1214 | return 0; | ||
1215 | } | ||
1216 | |||
1217 | /* ------------------------------------------------------------------ */ | ||
1218 | |||
1219 | int cx23885_buf_prepare(struct videobuf_queue *q, struct cx23885_tsport *port, | ||
1220 | struct cx23885_buffer *buf, enum v4l2_field field) | ||
1221 | { | ||
1222 | struct cx23885_dev *dev = port->dev; | ||
1223 | int size = port->ts_packet_size * port->ts_packet_count; | ||
1224 | int rc; | ||
1225 | |||
1226 | dprintk(1, "%s: %p\n", __FUNCTION__, buf); | ||
1227 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | ||
1228 | return -EINVAL; | ||
1229 | |||
1230 | if (STATE_NEEDS_INIT == buf->vb.state) { | ||
1231 | buf->vb.width = port->ts_packet_size; | ||
1232 | buf->vb.height = port->ts_packet_count; | ||
1233 | buf->vb.size = size; | ||
1234 | buf->vb.field = field /*V4L2_FIELD_TOP*/; | ||
1235 | |||
1236 | if (0 != (rc = videobuf_iolock(q,&buf->vb,NULL))) | ||
1237 | goto fail; | ||
1238 | cx23885_risc_databuffer(dev->pci, &buf->risc, | ||
1239 | buf->vb.dma.sglist, | ||
1240 | buf->vb.width, buf->vb.height); | ||
1241 | } | ||
1242 | buf->vb.state = STATE_PREPARED; | ||
1243 | return 0; | ||
1244 | |||
1245 | fail: | ||
1246 | cx23885_free_buffer(q,buf); | ||
1247 | return rc; | ||
1248 | } | ||
1249 | |||
1250 | void cx23885_buf_queue(struct cx23885_tsport *port, struct cx23885_buffer *buf) | ||
1251 | { | ||
1252 | struct cx23885_buffer *prev; | ||
1253 | struct cx23885_dev *dev = port->dev; | ||
1254 | struct cx23885_dmaqueue *cx88q = &port->mpegq; | ||
1255 | |||
1256 | /* add jump to stopper */ | ||
1257 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | ||
1258 | buf->risc.jmp[1] = cpu_to_le32(cx88q->stopper.dma); | ||
1259 | buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */ | ||
1260 | |||
1261 | if (list_empty(&cx88q->active)) { | ||
1262 | dprintk( 1, "queue is empty - first active\n" ); | ||
1263 | list_add_tail(&buf->vb.queue,&cx88q->active); | ||
1264 | cx23885_start_dma(port, cx88q, buf); | ||
1265 | buf->vb.state = STATE_ACTIVE; | ||
1266 | buf->count = cx88q->count++; | ||
1267 | mod_timer(&cx88q->timeout, jiffies+BUFFER_TIMEOUT); | ||
1268 | dprintk(1,"[%p/%d] %s - first active\n", | ||
1269 | buf, buf->vb.i, __FUNCTION__); | ||
1270 | |||
1271 | } else { | ||
1272 | dprintk( 1, "queue is not empty - append to active\n" ); | ||
1273 | prev = list_entry(cx88q->active.prev, struct cx23885_buffer, vb.queue); | ||
1274 | list_add_tail(&buf->vb.queue,&cx88q->active); | ||
1275 | buf->vb.state = STATE_ACTIVE; | ||
1276 | buf->count = cx88q->count++; | ||
1277 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | ||
1278 | prev->risc.jmp[2] = cpu_to_le32(0); /* 64 bit bits 63-32 */ | ||
1279 | dprintk( 1, "[%p/%d] %s - append to active\n", | ||
1280 | buf, buf->vb.i, __FUNCTION__); | ||
1281 | } | ||
1282 | } | ||
1283 | |||
1284 | /* ----------------------------------------------------------- */ | ||
1285 | |||
1286 | static void do_cancel_buffers(struct cx23885_tsport *port, char *reason, int restart) | ||
1287 | { | ||
1288 | struct cx23885_dev *dev = port->dev; | ||
1289 | struct cx23885_dmaqueue *q = &port->mpegq; | ||
1290 | struct cx23885_buffer *buf; | ||
1291 | unsigned long flags; | ||
1292 | |||
1293 | spin_lock_irqsave(&port->slock,flags); | ||
1294 | while (!list_empty(&q->active)) { | ||
1295 | buf = list_entry(q->active.next, struct cx23885_buffer, vb.queue); | ||
1296 | list_del(&buf->vb.queue); | ||
1297 | buf->vb.state = STATE_ERROR; | ||
1298 | wake_up(&buf->vb.done); | ||
1299 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | ||
1300 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | ||
1301 | } | ||
1302 | if (restart) | ||
1303 | { | ||
1304 | dprintk(1, "restarting queue\n" ); | ||
1305 | cx23885_restart_queue(port, q); | ||
1306 | } | ||
1307 | spin_unlock_irqrestore(&port->slock,flags); | ||
1308 | } | ||
1309 | |||
1310 | void cx23885_cancel_buffers(struct cx23885_tsport *port) | ||
1311 | { | ||
1312 | struct cx23885_dev *dev = port->dev; | ||
1313 | struct cx23885_dmaqueue *q = &port->mpegq; | ||
1314 | |||
1315 | dprintk(1, "%s()\n", __FUNCTION__ ); | ||
1316 | del_timer_sync(&q->timeout); | ||
1317 | cx23885_stop_dma(port); | ||
1318 | do_cancel_buffers(port, "cancel", 0); | ||
1319 | } | ||
1320 | |||
1321 | static void cx23885_timeout(unsigned long data) | ||
1322 | { | ||
1323 | struct cx23885_tsport *port = (struct cx23885_tsport *)data; | ||
1324 | struct cx23885_dev *dev = port->dev; | ||
1325 | |||
1326 | dprintk(1, "%s()\n",__FUNCTION__); | ||
1327 | |||
1328 | if (debug > 5) | ||
1329 | #if SRAM | ||
1330 | cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]); | ||
1331 | #else | ||
1332 | { | ||
1333 | // FIXME: Put a pointer to the sram_channel table in cx23885_dev | ||
1334 | // and stop all this ugly switch/if code | ||
1335 | if(cx23885_boards[dev->board].bridge == CX23885_BRIDGE_885) | ||
1336 | cx23885_sram_channel_dump(dev, &cx23885_sram_channels[ port->sram_chno ]); | ||
1337 | if(cx23885_boards[dev->board].bridge == CX23885_BRIDGE_887) | ||
1338 | cx23885_sram_channel_dump(dev, &cx23887_sram_channels[ port->sram_chno ]); | ||
1339 | } | ||
1340 | #endif | ||
1341 | cx23885_stop_dma(port); | ||
1342 | do_cancel_buffers(port, "timeout", 1); | ||
1343 | } | ||
1344 | |||
1345 | #define PCI_MSK_APB_DMA (1 << 12) | ||
1346 | #define PCI_MSK_AL_WR (1 << 11) | ||
1347 | #define PCI_MSK_AL_RD (1 << 10) | ||
1348 | #define PCI_MSK_RISC_WR (1 << 9) | ||
1349 | #define PCI_MSK_RISC_RD (1 << 8) | ||
1350 | |||
1351 | #define PCI_MSK_AUD_EXT (1 << 4) | ||
1352 | #define PCI_MSK_AUD_INT (1 << 3) | ||
1353 | #define PCI_MSK_VID_C (1 << 2) | ||
1354 | #define PCI_MSK_VID_B (1 << 1) | ||
1355 | #define PCI_MSK_VID_A 1 | ||
1356 | |||
1357 | #define VID_C_MSK_BAD_PKT (1 << 20) | ||
1358 | #define VID_C_MSK_OPC_ERR (1 << 16) | ||
1359 | #define VID_C_MSK_SYNC (1 << 12) | ||
1360 | #define VID_C_MSK_OF (1 << 8) | ||
1361 | #define VID_C_MSK_RISCI2 (1 << 4) | ||
1362 | #define VID_C_MSK_RISCI1 1 | ||
1363 | |||
1364 | static irqreturn_t cx23885_irq(int irq, void *dev_id, struct pt_regs *regs) | ||
1365 | { | ||
1366 | struct cx23885_dev *dev = dev_id; | ||
1367 | struct cx23885_tsport *port = &dev->ts2; | ||
1368 | u32 pci_status, pci_mask; | ||
1369 | u32 ts2_status, ts2_mask; | ||
1370 | int count = 0, handled = 0; | ||
1371 | |||
1372 | pci_status = cx_read(PCI_INT_STAT); | ||
1373 | pci_mask = cx_read(PCI_INT_MSK); | ||
1374 | |||
1375 | ts2_status = cx_read(VID_C_INT_STAT); | ||
1376 | ts2_mask = cx_read(VID_C_INT_MSK); | ||
1377 | |||
1378 | if ( (pci_status == 0) && (ts2_status == 0) ) | ||
1379 | goto out; | ||
1380 | |||
1381 | count = cx_read(port->reg_gpcnt); | ||
1382 | dprintk(7, "pci_status: 0x%08x pci_mask: 0x%08x\n", pci_status, pci_mask ); | ||
1383 | dprintk(7, "ts2_status: 0x%08x ts2_mask: 0x%08x count: 0x%x\n", ts2_status, ts2_mask, count ); | ||
1384 | |||
1385 | if ( (pci_status & PCI_MSK_RISC_RD) || | ||
1386 | (pci_status & PCI_MSK_RISC_WR) || | ||
1387 | (pci_status & PCI_MSK_AL_RD) || | ||
1388 | (pci_status & PCI_MSK_AL_WR) || | ||
1389 | (pci_status & PCI_MSK_APB_DMA) || | ||
1390 | (pci_status & PCI_MSK_VID_C) || | ||
1391 | (pci_status & PCI_MSK_VID_B) || | ||
1392 | (pci_status & PCI_MSK_VID_A) || | ||
1393 | (pci_status & PCI_MSK_AUD_INT) || | ||
1394 | (pci_status & PCI_MSK_AUD_EXT) ) | ||
1395 | { | ||
1396 | |||
1397 | if (pci_status & PCI_MSK_RISC_RD) | ||
1398 | dprintk(7, " (PCI_MSK_RISC_RD 0x%08x)\n", PCI_MSK_RISC_RD); | ||
1399 | if (pci_status & PCI_MSK_RISC_WR) | ||
1400 | dprintk(7, " (PCI_MSK_RISC_WR 0x%08x)\n", PCI_MSK_RISC_WR); | ||
1401 | if (pci_status & PCI_MSK_AL_RD) | ||
1402 | dprintk(7, " (PCI_MSK_AL_RD 0x%08x)\n", PCI_MSK_AL_RD); | ||
1403 | if (pci_status & PCI_MSK_AL_WR) | ||
1404 | dprintk(7, " (PCI_MSK_AL_WR 0x%08x)\n", PCI_MSK_AL_WR); | ||
1405 | if (pci_status & PCI_MSK_APB_DMA) | ||
1406 | dprintk(7, " (PCI_MSK_APB_DMA 0x%08x)\n", PCI_MSK_APB_DMA); | ||
1407 | if (pci_status & PCI_MSK_VID_C) | ||
1408 | dprintk(7, " (PCI_MSK_VID_C 0x%08x)\n", PCI_MSK_VID_C); | ||
1409 | if (pci_status & PCI_MSK_VID_B) | ||
1410 | dprintk(7, " (PCI_MSK_VID_B 0x%08x)\n", PCI_MSK_VID_B); | ||
1411 | if (pci_status & PCI_MSK_VID_A) | ||
1412 | dprintk(7, " (PCI_MSK_VID_A 0x%08x)\n", PCI_MSK_VID_A); | ||
1413 | if (pci_status & PCI_MSK_AUD_INT) | ||
1414 | dprintk(7, " (PCI_MSK_AUD_INT 0x%08x)\n", PCI_MSK_AUD_INT); | ||
1415 | if (pci_status & PCI_MSK_AUD_EXT) | ||
1416 | dprintk(7, " (PCI_MSK_AUD_EXT 0x%08x)\n", PCI_MSK_AUD_EXT); | ||
1417 | |||
1418 | } | ||
1419 | |||
1420 | if ( (ts2_status & VID_C_MSK_OPC_ERR) || | ||
1421 | (ts2_status & VID_C_MSK_BAD_PKT) || | ||
1422 | (ts2_status & VID_C_MSK_SYNC) || | ||
1423 | (ts2_status & VID_C_MSK_OF)) | ||
1424 | { | ||
1425 | if (ts2_status & VID_C_MSK_OPC_ERR) | ||
1426 | dprintk(7, " (VID_C_MSK_OPC_ERR 0x%08x)\n", VID_C_MSK_OPC_ERR); | ||
1427 | if (ts2_status & VID_C_MSK_BAD_PKT) | ||
1428 | dprintk(7, " (VID_C_MSK_BAD_PKT 0x%08x)\n", VID_C_MSK_BAD_PKT); | ||
1429 | if (ts2_status & VID_C_MSK_SYNC) | ||
1430 | dprintk(7, " (VID_C_MSK_SYNC 0x%08x)\n", VID_C_MSK_SYNC); | ||
1431 | if (ts2_status & VID_C_MSK_OF) | ||
1432 | dprintk(7, " (VID_C_MSK_OF 0x%08x)\n", VID_C_MSK_OF); | ||
1433 | |||
1434 | printk(KERN_ERR "%s: mpeg risc op code error\n", dev->name); | ||
1435 | |||
1436 | cx_clear(port->reg_dma_ctl, port->dma_ctl_val); | ||
1437 | #if SRAM | ||
1438 | cx23885_sram_channel_dump(dev, &dev->sram_channels[ port->sram_chno ]); | ||
1439 | #else | ||
1440 | cx23885_sram_channel_dump(dev, &cx23885_sram_channels[ port->sram_chno ]); | ||
1441 | #endif | ||
1442 | |||
1443 | |||
1444 | } else if (ts2_status & VID_C_MSK_RISCI1) { | ||
1445 | |||
1446 | dprintk(7, " (RISCI1 0x%08x)\n", VID_C_MSK_RISCI1); | ||
1447 | |||
1448 | spin_lock(&port->slock); | ||
1449 | count = cx_read(port->reg_gpcnt); | ||
1450 | cx23885_wakeup(port, &port->mpegq, count); | ||
1451 | spin_unlock(&port->slock); | ||
1452 | |||
1453 | } else if (ts2_status & VID_C_MSK_RISCI2) { | ||
1454 | |||
1455 | dprintk(7, " (RISCI2 0x%08x)\n", VID_C_MSK_RISCI2); | ||
1456 | |||
1457 | spin_lock(&port->slock); | ||
1458 | cx23885_restart_queue(port, &port->mpegq); | ||
1459 | spin_unlock(&port->slock); | ||
1460 | |||
1461 | } | ||
1462 | |||
1463 | cx_write(VID_C_INT_STAT, ts2_status); | ||
1464 | cx_write(PCI_INT_STAT, pci_status); | ||
1465 | handled = 1; | ||
1466 | out: | ||
1467 | return IRQ_RETVAL(handled); | ||
1468 | } | ||
1469 | |||
1470 | static int __devinit cx23885_initdev(struct pci_dev *pci_dev, | ||
1471 | const struct pci_device_id *pci_id) | ||
1472 | { | ||
1473 | struct cx23885_dev *dev; | ||
1474 | int err; | ||
1475 | |||
1476 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); | ||
1477 | if (NULL == dev) | ||
1478 | return -ENOMEM; | ||
1479 | |||
1480 | /* pci init */ | ||
1481 | dev->pci = pci_dev; | ||
1482 | if (pci_enable_device(pci_dev)) { | ||
1483 | err = -EIO; | ||
1484 | goto fail_free; | ||
1485 | } | ||
1486 | |||
1487 | if (cx23885_dev_setup(dev) < 0) { | ||
1488 | err = -EINVAL; | ||
1489 | goto fail_free; | ||
1490 | } | ||
1491 | |||
1492 | /* print pci info */ | ||
1493 | pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); | ||
1494 | pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); | ||
1495 | printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, " | ||
1496 | "latency: %d, mmio: 0x%llx\n", dev->name, | ||
1497 | pci_name(pci_dev), dev->pci_rev, pci_dev->irq, | ||
1498 | dev->pci_lat, (unsigned long long)pci_resource_start(pci_dev,0)); | ||
1499 | |||
1500 | pci_set_master(pci_dev); | ||
1501 | if (!pci_dma_supported(pci_dev, 0xffffffff)) { | ||
1502 | printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name); | ||
1503 | err = -EIO; | ||
1504 | goto fail_irq; | ||
1505 | } | ||
1506 | |||
1507 | err = request_irq(pci_dev->irq, cx23885_irq | ||
1508 | , IRQF_SHARED | IRQF_DISABLED, dev->name, dev); | ||
1509 | if (err < 0) { | ||
1510 | printk(KERN_ERR "%s: can't get IRQ %d\n", | ||
1511 | dev->name, pci_dev->irq); | ||
1512 | goto fail_irq; | ||
1513 | } | ||
1514 | |||
1515 | pci_set_drvdata(pci_dev, dev); | ||
1516 | return 0; | ||
1517 | |||
1518 | fail_irq: | ||
1519 | cx23885_dev_unregister(dev); | ||
1520 | fail_free: | ||
1521 | kfree(dev); | ||
1522 | return err; | ||
1523 | } | ||
1524 | |||
1525 | static void __devexit cx23885_finidev(struct pci_dev *pci_dev) | ||
1526 | { | ||
1527 | struct cx23885_dev *dev = pci_get_drvdata(pci_dev); | ||
1528 | |||
1529 | cx23885_shutdown(dev); | ||
1530 | |||
1531 | pci_disable_device(pci_dev); | ||
1532 | |||
1533 | /* unregister stuff */ | ||
1534 | free_irq(pci_dev->irq, dev); | ||
1535 | pci_set_drvdata(pci_dev, NULL); | ||
1536 | |||
1537 | mutex_lock(&devlist); | ||
1538 | list_del(&dev->devlist); | ||
1539 | mutex_unlock(&devlist); | ||
1540 | |||
1541 | cx23885_dev_unregister(dev); | ||
1542 | kfree(dev); | ||
1543 | } | ||
1544 | |||
1545 | static struct pci_device_id cx23885_pci_tbl[] = { | ||
1546 | { | ||
1547 | /* CX23885 */ | ||
1548 | .vendor = 0x14f1, | ||
1549 | .device = 0x8852, | ||
1550 | .subvendor = PCI_ANY_ID, | ||
1551 | .subdevice = PCI_ANY_ID, | ||
1552 | },{ | ||
1553 | /* CX23887 Rev 2 */ | ||
1554 | .vendor = 0x14f1, | ||
1555 | .device = 0x8880, | ||
1556 | .subvendor = PCI_ANY_ID, | ||
1557 | .subdevice = PCI_ANY_ID, | ||
1558 | },{ | ||
1559 | /* --- end of list --- */ | ||
1560 | } | ||
1561 | }; | ||
1562 | MODULE_DEVICE_TABLE(pci, cx23885_pci_tbl); | ||
1563 | |||
1564 | static struct pci_driver cx23885_pci_driver = { | ||
1565 | .name = "cx23885", | ||
1566 | .id_table = cx23885_pci_tbl, | ||
1567 | .probe = cx23885_initdev, | ||
1568 | .remove = __devexit_p(cx23885_finidev), | ||
1569 | /* TODO */ | ||
1570 | .suspend = NULL, | ||
1571 | .resume = NULL, | ||
1572 | }; | ||
1573 | |||
1574 | static int cx23885_init(void) | ||
1575 | { | ||
1576 | printk(KERN_INFO "cx23885 driver version %d.%d.%d loaded\n", | ||
1577 | (CX88_VERSION_CODE >> 16) & 0xff, | ||
1578 | (CX88_VERSION_CODE >> 8) & 0xff, | ||
1579 | CX88_VERSION_CODE & 0xff); | ||
1580 | #ifdef SNAPSHOT | ||
1581 | printk(KERN_INFO "cx23885: snapshot date %04d-%02d-%02d\n", | ||
1582 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | ||
1583 | #endif | ||
1584 | return pci_register_driver(&cx23885_pci_driver); | ||
1585 | } | ||
1586 | |||
1587 | static void cx23885_fini(void) | ||
1588 | { | ||
1589 | pci_unregister_driver(&cx23885_pci_driver); | ||
1590 | } | ||
1591 | |||
1592 | module_init(cx23885_init); | ||
1593 | module_exit(cx23885_fini); | ||
1594 | |||
1595 | /* ----------------------------------------------------------- */ | ||
1596 | /* | ||
1597 | * Local variables: | ||
1598 | * c-basic-offset: 8 | ||
1599 | * End: | ||
1600 | * 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 | ||
1601 | */ | ||