Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * device driver for philips saa7134 based TV cards | |
4 | * driver core | |
5 | * | |
6 | * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
21 | */ | |
22 | ||
23 | #include <linux/config.h> | |
24 | #include <linux/init.h> | |
25 | #include <linux/list.h> | |
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/kernel.h> | |
29 | #include <linux/slab.h> | |
30 | #include <linux/kmod.h> | |
31 | #include <linux/sound.h> | |
32 | #include <linux/interrupt.h> | |
33 | #include <linux/delay.h> | |
1e4baed3 | 34 | #include <linux/mutex.h> |
1da177e4 LT |
35 | |
36 | #include "saa7134-reg.h" | |
37 | #include "saa7134.h" | |
38 | ||
39 | MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards"); | |
40 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
41 | MODULE_LICENSE("GPL"); | |
42 | ||
43 | /* ------------------------------------------------------------------ */ | |
44 | ||
45 | static unsigned int irq_debug = 0; | |
46 | module_param(irq_debug, int, 0644); | |
47 | MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); | |
48 | ||
49 | static unsigned int core_debug = 0; | |
50 | module_param(core_debug, int, 0644); | |
51 | MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); | |
52 | ||
53 | static unsigned int gpio_tracking = 0; | |
54 | module_param(gpio_tracking, int, 0644); | |
55 | MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); | |
56 | ||
bd15eba3 | 57 | static unsigned int alsa = 0; |
4aabf633 RC |
58 | module_param(alsa, int, 0644); |
59 | MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]"); | |
60 | ||
61 | static unsigned int oss = 0; | |
62 | module_param(oss, int, 0644); | |
63 | MODULE_PARM_DESC(oss,"enable OSS DMA sound [dmasound]"); | |
bd15eba3 | 64 | |
1da177e4 LT |
65 | static unsigned int latency = UNSET; |
66 | module_param(latency, int, 0444); | |
67 | MODULE_PARM_DESC(latency,"pci latency timer"); | |
68 | ||
9050d942 MCC |
69 | static int no_overlay=-1; |
70 | module_param(no_overlay, int, 0444); | |
71 | MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)" | |
72 | " [some VIA/SIS chipsets are known to have problem with overlay]"); | |
73 | ||
1da177e4 LT |
74 | static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; |
75 | static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; | |
76 | static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; | |
1da177e4 LT |
77 | static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; |
78 | static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET }; | |
79 | ||
674434c6 | 80 | |
1da177e4 LT |
81 | module_param_array(video_nr, int, NULL, 0444); |
82 | module_param_array(vbi_nr, int, NULL, 0444); | |
83 | module_param_array(radio_nr, int, NULL, 0444); | |
1da177e4 LT |
84 | module_param_array(tuner, int, NULL, 0444); |
85 | module_param_array(card, int, NULL, 0444); | |
86 | ||
87 | MODULE_PARM_DESC(video_nr, "video device number"); | |
88 | MODULE_PARM_DESC(vbi_nr, "vbi device number"); | |
89 | MODULE_PARM_DESC(radio_nr, "radio device number"); | |
1da177e4 LT |
90 | MODULE_PARM_DESC(tuner, "tuner type"); |
91 | MODULE_PARM_DESC(card, "card type"); | |
92 | ||
1e4baed3 | 93 | static DEFINE_MUTEX(devlist_lock); |
1da177e4 LT |
94 | LIST_HEAD(saa7134_devlist); |
95 | static LIST_HEAD(mops_list); | |
96 | static unsigned int saa7134_devcount; | |
97 | ||
f5b974cb RC |
98 | int (*dmasound_init)(struct saa7134_dev *dev); |
99 | int (*dmasound_exit)(struct saa7134_dev *dev); | |
100 | ||
1da177e4 LT |
101 | #define dprintk(fmt, arg...) if (core_debug) \ |
102 | printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg) | |
103 | ||
1da177e4 LT |
104 | void saa7134_track_gpio(struct saa7134_dev *dev, char *msg) |
105 | { | |
106 | unsigned long mode,status; | |
107 | ||
108 | if (!gpio_tracking) | |
109 | return; | |
110 | /* rising SAA7134_GPIO_GPRESCAN reads the status */ | |
111 | saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0); | |
112 | saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN); | |
113 | mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff; | |
114 | status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff; | |
115 | printk(KERN_DEBUG | |
116 | "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n", | |
117 | dev->name, mode, (~mode) & status, mode & status, msg); | |
118 | } | |
119 | ||
120 | /* ------------------------------------------------------------------ */ | |
121 | ||
1da177e4 LT |
122 | |
123 | /* ----------------------------------------------------------- */ | |
124 | /* delayed request_module */ | |
125 | ||
fd1eab73 | 126 | #if defined(CONFIG_MODULES) && defined(MODULE) |
1da177e4 LT |
127 | static int need_empress; |
128 | static int need_dvb; | |
b54134be | 129 | static int need_alsa; |
4aabf633 | 130 | static int need_oss; |
1da177e4 LT |
131 | |
132 | static int pending_call(struct notifier_block *self, unsigned long state, | |
133 | void *module) | |
134 | { | |
135 | if (module != THIS_MODULE || state != MODULE_STATE_LIVE) | |
136 | return NOTIFY_DONE; | |
137 | ||
4ac97914 MCC |
138 | if (need_empress) |
139 | request_module("saa7134-empress"); | |
140 | if (need_dvb) | |
141 | request_module("saa7134-dvb"); | |
b54134be RC |
142 | if (need_alsa) |
143 | request_module("saa7134-alsa"); | |
4aabf633 RC |
144 | if (need_oss) |
145 | request_module("saa7134-oss"); | |
1da177e4 LT |
146 | return NOTIFY_DONE; |
147 | } | |
148 | ||
a5ed425c | 149 | static int pending_registered; |
1da177e4 LT |
150 | static struct notifier_block pending_notifier = { |
151 | .notifier_call = pending_call, | |
152 | }; | |
153 | ||
154 | static void request_module_depend(char *name, int *flag) | |
155 | { | |
4aabf633 | 156 | int err; |
1da177e4 LT |
157 | switch (THIS_MODULE->state) { |
158 | case MODULE_STATE_COMING: | |
159 | if (!pending_registered) { | |
4aabf633 | 160 | err = register_module_notifier(&pending_notifier); |
1da177e4 LT |
161 | pending_registered = 1; |
162 | } | |
163 | *flag = 1; | |
164 | break; | |
165 | case MODULE_STATE_LIVE: | |
166 | request_module(name); | |
167 | break; | |
168 | default: | |
169 | /* nothing */; | |
170 | break; | |
171 | } | |
172 | } | |
173 | ||
174 | #else | |
1da177e4 | 175 | #define request_module_depend(name,flag) |
1da177e4 LT |
176 | #endif /* CONFIG_MODULES */ |
177 | ||
178 | /* ------------------------------------------------------------------ */ | |
179 | ||
180 | /* nr of (saa7134-)pages for the given buffer size */ | |
181 | static int saa7134_buffer_pages(int size) | |
182 | { | |
183 | size = PAGE_ALIGN(size); | |
184 | size += PAGE_SIZE; /* for non-page-aligned buffers */ | |
185 | size /= 4096; | |
186 | return size; | |
187 | } | |
188 | ||
189 | /* calc max # of buffers from size (must not exceed the 4MB virtual | |
190 | * address space per DMA channel) */ | |
191 | int saa7134_buffer_count(unsigned int size, unsigned int count) | |
192 | { | |
193 | unsigned int maxcount; | |
194 | ||
195 | maxcount = 1024 / saa7134_buffer_pages(size); | |
196 | if (count > maxcount) | |
197 | count = maxcount; | |
198 | return count; | |
199 | } | |
200 | ||
201 | int saa7134_buffer_startpage(struct saa7134_buf *buf) | |
202 | { | |
203 | return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i; | |
204 | } | |
205 | ||
206 | unsigned long saa7134_buffer_base(struct saa7134_buf *buf) | |
207 | { | |
208 | unsigned long base; | |
209 | ||
210 | base = saa7134_buffer_startpage(buf) * 4096; | |
211 | base += buf->vb.dma.sglist[0].offset; | |
212 | return base; | |
213 | } | |
214 | ||
215 | /* ------------------------------------------------------------------ */ | |
216 | ||
217 | int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) | |
218 | { | |
4ac97914 MCC |
219 | __le32 *cpu; |
220 | dma_addr_t dma_addr; | |
1da177e4 LT |
221 | |
222 | cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); | |
223 | if (NULL == cpu) | |
224 | return -ENOMEM; | |
225 | pt->size = SAA7134_PGTABLE_SIZE; | |
226 | pt->cpu = cpu; | |
227 | pt->dma = dma_addr; | |
228 | return 0; | |
229 | } | |
230 | ||
231 | int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, | |
232 | struct scatterlist *list, unsigned int length, | |
233 | unsigned int startpage) | |
234 | { | |
c9c12b79 | 235 | __le32 *ptr; |
1da177e4 LT |
236 | unsigned int i,p; |
237 | ||
238 | BUG_ON(NULL == pt || NULL == pt->cpu); | |
239 | ||
240 | ptr = pt->cpu + startpage; | |
241 | for (i = 0; i < length; i++, list++) | |
242 | for (p = 0; p * 4096 < list->length; p++, ptr++) | |
a20758fa | 243 | *ptr = cpu_to_le32(sg_dma_address(list) - list->offset); |
1da177e4 LT |
244 | return 0; |
245 | } | |
246 | ||
247 | void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) | |
248 | { | |
249 | if (NULL == pt->cpu) | |
250 | return; | |
251 | pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); | |
252 | pt->cpu = NULL; | |
253 | } | |
254 | ||
255 | /* ------------------------------------------------------------------ */ | |
256 | ||
257 | void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf) | |
258 | { | |
259 | if (in_interrupt()) | |
260 | BUG(); | |
261 | ||
262 | videobuf_waiton(&buf->vb,0,0); | |
263 | videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma); | |
264 | videobuf_dma_free(&buf->vb.dma); | |
265 | buf->vb.state = STATE_NEEDS_INIT; | |
266 | } | |
267 | ||
268 | /* ------------------------------------------------------------------ */ | |
269 | ||
270 | int saa7134_buffer_queue(struct saa7134_dev *dev, | |
271 | struct saa7134_dmaqueue *q, | |
272 | struct saa7134_buf *buf) | |
273 | { | |
274 | struct saa7134_buf *next = NULL; | |
275 | ||
276 | assert_spin_locked(&dev->slock); | |
277 | dprintk("buffer_queue %p\n",buf); | |
278 | if (NULL == q->curr) { | |
279 | if (!q->need_two) { | |
280 | q->curr = buf; | |
281 | buf->activate(dev,buf,NULL); | |
282 | } else if (list_empty(&q->queue)) { | |
283 | list_add_tail(&buf->vb.queue,&q->queue); | |
284 | buf->vb.state = STATE_QUEUED; | |
285 | } else { | |
286 | next = list_entry(q->queue.next,struct saa7134_buf, | |
287 | vb.queue); | |
288 | q->curr = buf; | |
289 | buf->activate(dev,buf,next); | |
290 | } | |
291 | } else { | |
292 | list_add_tail(&buf->vb.queue,&q->queue); | |
293 | buf->vb.state = STATE_QUEUED; | |
294 | } | |
295 | return 0; | |
296 | } | |
297 | ||
298 | void saa7134_buffer_finish(struct saa7134_dev *dev, | |
299 | struct saa7134_dmaqueue *q, | |
300 | unsigned int state) | |
301 | { | |
302 | assert_spin_locked(&dev->slock); | |
303 | dprintk("buffer_finish %p\n",q->curr); | |
304 | ||
305 | /* finish current buffer */ | |
306 | q->curr->vb.state = state; | |
307 | do_gettimeofday(&q->curr->vb.ts); | |
308 | wake_up(&q->curr->vb.done); | |
309 | q->curr = NULL; | |
310 | } | |
311 | ||
312 | void saa7134_buffer_next(struct saa7134_dev *dev, | |
313 | struct saa7134_dmaqueue *q) | |
314 | { | |
315 | struct saa7134_buf *buf,*next = NULL; | |
316 | ||
317 | assert_spin_locked(&dev->slock); | |
318 | BUG_ON(NULL != q->curr); | |
319 | ||
320 | if (!list_empty(&q->queue)) { | |
321 | /* activate next one from queue */ | |
322 | buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue); | |
323 | dprintk("buffer_next %p [prev=%p/next=%p]\n", | |
324 | buf,q->queue.prev,q->queue.next); | |
325 | list_del(&buf->vb.queue); | |
326 | if (!list_empty(&q->queue)) | |
327 | next = list_entry(q->queue.next,struct saa7134_buf, | |
328 | vb.queue); | |
329 | q->curr = buf; | |
330 | buf->activate(dev,buf,next); | |
331 | dprintk("buffer_next #2 prev=%p/next=%p\n", | |
332 | q->queue.prev,q->queue.next); | |
333 | } else { | |
334 | /* nothing to do -- just stop DMA */ | |
335 | dprintk("buffer_next %p\n",NULL); | |
336 | saa7134_set_dmabits(dev); | |
337 | del_timer(&q->timeout); | |
338 | } | |
339 | } | |
340 | ||
341 | void saa7134_buffer_timeout(unsigned long data) | |
342 | { | |
343 | struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data; | |
344 | struct saa7134_dev *dev = q->dev; | |
345 | unsigned long flags; | |
346 | ||
347 | spin_lock_irqsave(&dev->slock,flags); | |
348 | ||
349 | /* try to reset the hardware (SWRST) */ | |
350 | saa_writeb(SAA7134_REGION_ENABLE, 0x00); | |
351 | saa_writeb(SAA7134_REGION_ENABLE, 0x80); | |
352 | saa_writeb(SAA7134_REGION_ENABLE, 0x00); | |
353 | ||
354 | /* flag current buffer as failed, | |
355 | try to start over with the next one. */ | |
356 | if (q->curr) { | |
357 | dprintk("timeout on %p\n",q->curr); | |
358 | saa7134_buffer_finish(dev,q,STATE_ERROR); | |
359 | } | |
360 | saa7134_buffer_next(dev,q); | |
361 | spin_unlock_irqrestore(&dev->slock,flags); | |
362 | } | |
363 | ||
364 | /* ------------------------------------------------------------------ */ | |
365 | ||
366 | int saa7134_set_dmabits(struct saa7134_dev *dev) | |
367 | { | |
368 | u32 split, task=0, ctrl=0, irq=0; | |
369 | enum v4l2_field cap = V4L2_FIELD_ANY; | |
370 | enum v4l2_field ov = V4L2_FIELD_ANY; | |
371 | ||
372 | assert_spin_locked(&dev->slock); | |
373 | ||
374 | /* video capture -- dma 0 + video task A */ | |
375 | if (dev->video_q.curr) { | |
376 | task |= 0x01; | |
377 | ctrl |= SAA7134_MAIN_CTRL_TE0; | |
378 | irq |= SAA7134_IRQ1_INTE_RA0_1 | | |
379 | SAA7134_IRQ1_INTE_RA0_0; | |
4ac97914 | 380 | cap = dev->video_q.curr->vb.field; |
1da177e4 LT |
381 | } |
382 | ||
383 | /* video capture -- dma 1+2 (planar modes) */ | |
384 | if (dev->video_q.curr && | |
385 | dev->video_q.curr->fmt->planar) { | |
386 | ctrl |= SAA7134_MAIN_CTRL_TE4 | | |
387 | SAA7134_MAIN_CTRL_TE5; | |
388 | } | |
389 | ||
390 | /* screen overlay -- dma 0 + video task B */ | |
391 | if (dev->ovenable) { | |
392 | task |= 0x10; | |
393 | ctrl |= SAA7134_MAIN_CTRL_TE1; | |
394 | ov = dev->ovfield; | |
395 | } | |
396 | ||
397 | /* vbi capture -- dma 0 + vbi task A+B */ | |
398 | if (dev->vbi_q.curr) { | |
399 | task |= 0x22; | |
400 | ctrl |= SAA7134_MAIN_CTRL_TE2 | | |
401 | SAA7134_MAIN_CTRL_TE3; | |
402 | irq |= SAA7134_IRQ1_INTE_RA0_7 | | |
403 | SAA7134_IRQ1_INTE_RA0_6 | | |
404 | SAA7134_IRQ1_INTE_RA0_5 | | |
405 | SAA7134_IRQ1_INTE_RA0_4; | |
406 | } | |
407 | ||
408 | /* audio capture -- dma 3 */ | |
b54134be | 409 | if (dev->dmasound.dma_running) { |
1da177e4 LT |
410 | ctrl |= SAA7134_MAIN_CTRL_TE6; |
411 | irq |= SAA7134_IRQ1_INTE_RA3_1 | | |
412 | SAA7134_IRQ1_INTE_RA3_0; | |
413 | } | |
414 | ||
415 | /* TS capture -- dma 5 */ | |
416 | if (dev->ts_q.curr) { | |
417 | ctrl |= SAA7134_MAIN_CTRL_TE5; | |
418 | irq |= SAA7134_IRQ1_INTE_RA2_3 | | |
419 | SAA7134_IRQ1_INTE_RA2_2 | | |
420 | SAA7134_IRQ1_INTE_RA2_1 | | |
421 | SAA7134_IRQ1_INTE_RA2_0; | |
422 | } | |
423 | ||
424 | /* set task conditions + field handling */ | |
425 | if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { | |
426 | /* default config -- use full frames */ | |
427 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); | |
428 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); | |
429 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); | |
430 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); | |
431 | split = 0; | |
432 | } else { | |
433 | /* split fields between tasks */ | |
434 | if (V4L2_FIELD_TOP == cap) { | |
435 | /* odd A, even B, repeat */ | |
436 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); | |
437 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); | |
438 | } else { | |
439 | /* odd B, even A, repeat */ | |
440 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); | |
441 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); | |
442 | } | |
443 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); | |
444 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); | |
445 | split = 1; | |
446 | } | |
447 | ||
448 | /* irqs */ | |
449 | saa_writeb(SAA7134_REGION_ENABLE, task); | |
450 | saa_writel(SAA7134_IRQ1, irq); | |
451 | saa_andorl(SAA7134_MAIN_CTRL, | |
452 | SAA7134_MAIN_CTRL_TE0 | | |
453 | SAA7134_MAIN_CTRL_TE1 | | |
454 | SAA7134_MAIN_CTRL_TE2 | | |
455 | SAA7134_MAIN_CTRL_TE3 | | |
456 | SAA7134_MAIN_CTRL_TE4 | | |
457 | SAA7134_MAIN_CTRL_TE5 | | |
458 | SAA7134_MAIN_CTRL_TE6, | |
459 | ctrl); | |
460 | dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", | |
461 | task, ctrl, irq, split ? "no" : "yes"); | |
462 | ||
463 | return 0; | |
464 | } | |
465 | ||
466 | /* ------------------------------------------------------------------ */ | |
467 | /* IRQ handler + helpers */ | |
468 | ||
469 | static char *irqbits[] = { | |
470 | "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", | |
471 | "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", | |
472 | "TRIG_ERR", "CONF_ERR", "LOAD_ERR", | |
473 | "GPIO16?", "GPIO18", "GPIO22", "GPIO23" | |
474 | }; | |
475 | #define IRQBITS ARRAY_SIZE(irqbits) | |
476 | ||
477 | static void print_irqstatus(struct saa7134_dev *dev, int loop, | |
478 | unsigned long report, unsigned long status) | |
479 | { | |
480 | unsigned int i; | |
481 | ||
482 | printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx", | |
483 | dev->name,loop,jiffies,report,status); | |
484 | for (i = 0; i < IRQBITS; i++) { | |
485 | if (!(report & (1 << i))) | |
486 | continue; | |
487 | printk(" %s",irqbits[i]); | |
488 | } | |
489 | if (report & SAA7134_IRQ_REPORT_DONE_RA0) { | |
490 | printk(" | RA0=%s,%s,%s,%ld", | |
491 | (status & 0x40) ? "vbi" : "video", | |
492 | (status & 0x20) ? "b" : "a", | |
493 | (status & 0x10) ? "odd" : "even", | |
494 | (status & 0x0f)); | |
495 | } | |
496 | printk("\n"); | |
497 | } | |
498 | ||
499 | static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs) | |
500 | { | |
501 | struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; | |
502 | unsigned long report,status; | |
503 | int loop, handled = 0; | |
504 | ||
505 | for (loop = 0; loop < 10; loop++) { | |
506 | report = saa_readl(SAA7134_IRQ_REPORT); | |
507 | status = saa_readl(SAA7134_IRQ_STATUS); | |
508 | if (0 == report) { | |
509 | if (irq_debug > 1) | |
510 | printk(KERN_DEBUG "%s/irq: no (more) work\n", | |
511 | dev->name); | |
512 | goto out; | |
513 | } | |
79dd0c69 | 514 | |
4aabf633 RC |
515 | /* If dmasound support is active and we get a sound report, exit |
516 | and let the saa7134-alsa/oss module deal with it */ | |
79dd0c69 | 517 | |
4aabf633 RC |
518 | if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && |
519 | (dev->dmasound.priv_data != NULL) ) | |
520 | { | |
79dd0c69 | 521 | if (irq_debug > 1) |
4aabf633 | 522 | printk(KERN_DEBUG "%s/irq: ignoring interrupt for DMA sound\n", |
79dd0c69 RC |
523 | dev->name); |
524 | goto out; | |
525 | } | |
526 | ||
1da177e4 LT |
527 | handled = 1; |
528 | saa_writel(SAA7134_IRQ_REPORT,report); | |
529 | if (irq_debug) | |
530 | print_irqstatus(dev,loop,report,status); | |
531 | ||
1da177e4 LT |
532 | |
533 | if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */) | |
534 | saa7134_irq_video_intl(dev); | |
535 | ||
536 | if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && | |
537 | (status & 0x60) == 0) | |
538 | saa7134_irq_video_done(dev,status); | |
539 | ||
540 | if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && | |
541 | (status & 0x40) == 0x40) | |
542 | saa7134_irq_vbi_done(dev,status); | |
543 | ||
544 | if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && | |
545 | card_has_mpeg(dev)) | |
546 | saa7134_irq_ts_done(dev,status); | |
547 | ||
0602fbb2 PM |
548 | if (report & SAA7134_IRQ_REPORT_GPIO16) { |
549 | switch (dev->has_remote) { | |
550 | case SAA7134_REMOTE_GPIO: | |
551 | if (dev->remote->mask_keydown & 0x10000) { | |
552 | saa7134_input_irq(dev); | |
553 | } | |
554 | break; | |
555 | ||
556 | case SAA7134_REMOTE_I2C: | |
557 | break; /* FIXME: invoke I2C get_key() */ | |
558 | ||
559 | default: /* GPIO16 not used by IR remote */ | |
560 | break; | |
561 | } | |
562 | } | |
bd15eba3 | 563 | |
0602fbb2 PM |
564 | if (report & SAA7134_IRQ_REPORT_GPIO18) { |
565 | switch (dev->has_remote) { | |
566 | case SAA7134_REMOTE_GPIO: | |
567 | if ((dev->remote->mask_keydown & 0x40000) || | |
568 | (dev->remote->mask_keyup & 0x40000)) { | |
569 | saa7134_input_irq(dev); | |
570 | } | |
571 | break; | |
572 | ||
573 | case SAA7134_REMOTE_I2C: | |
574 | break; /* FIXME: invoke I2C get_key() */ | |
575 | ||
576 | default: /* GPIO18 not used by IR remote */ | |
577 | break; | |
578 | } | |
579 | } | |
1da177e4 LT |
580 | } |
581 | ||
582 | if (10 == loop) { | |
583 | print_irqstatus(dev,loop,report,status); | |
584 | if (report & SAA7134_IRQ_REPORT_PE) { | |
585 | /* disable all parity error */ | |
586 | printk(KERN_WARNING "%s/irq: looping -- " | |
587 | "clearing PE (parity error!) enable bit\n",dev->name); | |
588 | saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); | |
0602fbb2 PM |
589 | } else if (report & SAA7134_IRQ_REPORT_GPIO16) { |
590 | /* disable gpio16 IRQ */ | |
1da177e4 | 591 | printk(KERN_WARNING "%s/irq: looping -- " |
0602fbb2 PM |
592 | "clearing GPIO16 enable bit\n",dev->name); |
593 | saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16); | |
594 | } else if (report & SAA7134_IRQ_REPORT_GPIO18) { | |
595 | /* disable gpio18 IRQs */ | |
596 | printk(KERN_WARNING "%s/irq: looping -- " | |
597 | "clearing GPIO18 enable bit\n",dev->name); | |
598 | saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); | |
1da177e4 LT |
599 | } else { |
600 | /* disable all irqs */ | |
601 | printk(KERN_WARNING "%s/irq: looping -- " | |
602 | "clearing all enable bits\n",dev->name); | |
603 | saa_writel(SAA7134_IRQ1,0); | |
604 | saa_writel(SAA7134_IRQ2,0); | |
605 | } | |
606 | } | |
607 | ||
608 | out: | |
609 | return IRQ_RETVAL(handled); | |
610 | } | |
611 | ||
612 | /* ------------------------------------------------------------------ */ | |
613 | ||
614 | /* early init (no i2c, no irq) */ | |
615 | static int saa7134_hwinit1(struct saa7134_dev *dev) | |
616 | { | |
617 | dprintk("hwinit1\n"); | |
618 | ||
619 | saa_writel(SAA7134_IRQ1, 0); | |
620 | saa_writel(SAA7134_IRQ2, 0); | |
3593cab5 | 621 | mutex_init(&dev->lock); |
1da177e4 LT |
622 | spin_lock_init(&dev->slock); |
623 | ||
624 | saa7134_track_gpio(dev,"pre-init"); | |
625 | saa7134_video_init1(dev); | |
626 | saa7134_vbi_init1(dev); | |
627 | if (card_has_mpeg(dev)) | |
628 | saa7134_ts_init1(dev); | |
629 | saa7134_input_init1(dev); | |
630 | ||
1da177e4 LT |
631 | /* RAM FIFO config */ |
632 | saa_writel(SAA7134_FIFO_SIZE, 0x08070503); | |
633 | saa_writel(SAA7134_THRESHOULD,0x02020202); | |
634 | ||
635 | /* enable audio + video processing */ | |
636 | saa_writel(SAA7134_MAIN_CTRL, | |
637 | SAA7134_MAIN_CTRL_VPLLE | | |
638 | SAA7134_MAIN_CTRL_APLLE | | |
639 | SAA7134_MAIN_CTRL_EXOSC | | |
640 | SAA7134_MAIN_CTRL_EVFE1 | | |
641 | SAA7134_MAIN_CTRL_EVFE2 | | |
642 | SAA7134_MAIN_CTRL_ESFE | | |
1da177e4 LT |
643 | SAA7134_MAIN_CTRL_EBDAC); |
644 | ||
17a05ef3 NS |
645 | /* |
646 | * Initialize OSS _after_ enabling audio clock PLL and audio processing. | |
647 | * OSS initialization writes to registers via the audio DSP; these | |
648 | * writes will fail unless the audio clock has been started. At worst, | |
649 | * audio will not work. | |
650 | */ | |
651 | ||
1da177e4 LT |
652 | /* enable peripheral devices */ |
653 | saa_writeb(SAA7134_SPECIAL_MODE, 0x01); | |
654 | ||
655 | /* set vertical line numbering start (vbi needs this) */ | |
656 | saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); | |
657 | ||
658 | return 0; | |
659 | } | |
660 | ||
661 | /* late init (with i2c + irq) */ | |
662 | static int saa7134_hwinit2(struct saa7134_dev *dev) | |
663 | { | |
330a115a | 664 | unsigned int irq2_mask; |
1da177e4 LT |
665 | dprintk("hwinit2\n"); |
666 | ||
667 | saa7134_video_init2(dev); | |
668 | saa7134_tvaudio_init2(dev); | |
669 | ||
670 | /* enable IRQ's */ | |
4ac97914 | 671 | irq2_mask = |
330a115a MCC |
672 | SAA7134_IRQ2_INTE_DEC3 | |
673 | SAA7134_IRQ2_INTE_DEC2 | | |
674 | SAA7134_IRQ2_INTE_DEC1 | | |
675 | SAA7134_IRQ2_INTE_DEC0 | | |
676 | SAA7134_IRQ2_INTE_PE | | |
677 | SAA7134_IRQ2_INTE_AR; | |
678 | ||
0602fbb2 PM |
679 | if (dev->has_remote == SAA7134_REMOTE_GPIO) { |
680 | if (dev->remote->mask_keydown & 0x10000) | |
681 | irq2_mask |= SAA7134_IRQ2_INTE_GPIO16; | |
682 | else if (dev->remote->mask_keydown & 0x40000) | |
683 | irq2_mask |= SAA7134_IRQ2_INTE_GPIO18; | |
684 | else if (dev->remote->mask_keyup & 0x40000) | |
685 | irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A; | |
686 | } | |
330a115a | 687 | |
1da177e4 | 688 | saa_writel(SAA7134_IRQ1, 0); |
330a115a | 689 | saa_writel(SAA7134_IRQ2, irq2_mask); |
1da177e4 LT |
690 | |
691 | return 0; | |
692 | } | |
693 | ||
694 | /* shutdown */ | |
695 | static int saa7134_hwfini(struct saa7134_dev *dev) | |
696 | { | |
697 | dprintk("hwfini\n"); | |
698 | ||
1da177e4 LT |
699 | if (card_has_mpeg(dev)) |
700 | saa7134_ts_fini(dev); | |
701 | saa7134_input_fini(dev); | |
702 | saa7134_vbi_fini(dev); | |
703 | saa7134_video_fini(dev); | |
704 | saa7134_tvaudio_fini(dev); | |
705 | return 0; | |
706 | } | |
707 | ||
708 | static void __devinit must_configure_manually(void) | |
709 | { | |
710 | unsigned int i,p; | |
711 | ||
712 | printk(KERN_WARNING | |
713 | "saa7134: <rant>\n" | |
714 | "saa7134: Congratulations! Your TV card vendor saved a few\n" | |
715 | "saa7134: cents for a eeprom, thus your pci board has no\n" | |
716 | "saa7134: subsystem ID and I can't identify it automatically\n" | |
717 | "saa7134: </rant>\n" | |
718 | "saa7134: I feel better now. Ok, here are the good news:\n" | |
719 | "saa7134: You can use the card=<nr> insmod option to specify\n" | |
720 | "saa7134: which board do you have. The list:\n"); | |
721 | for (i = 0; i < saa7134_bcount; i++) { | |
722 | printk(KERN_WARNING "saa7134: card=%d -> %-40.40s", | |
723 | i,saa7134_boards[i].name); | |
724 | for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { | |
725 | if (saa7134_pci_tbl[p].driver_data != i) | |
726 | continue; | |
727 | printk(" %04x:%04x", | |
728 | saa7134_pci_tbl[p].subvendor, | |
729 | saa7134_pci_tbl[p].subdevice); | |
730 | } | |
731 | printk("\n"); | |
732 | } | |
733 | } | |
734 | ||
735 | static struct video_device *vdev_init(struct saa7134_dev *dev, | |
736 | struct video_device *template, | |
737 | char *type) | |
738 | { | |
739 | struct video_device *vfd; | |
740 | ||
741 | vfd = video_device_alloc(); | |
742 | if (NULL == vfd) | |
743 | return NULL; | |
744 | *vfd = *template; | |
745 | vfd->minor = -1; | |
746 | vfd->dev = &dev->pci->dev; | |
747 | vfd->release = video_device_release; | |
748 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", | |
749 | dev->name, type, saa7134_boards[dev->board].name); | |
750 | return vfd; | |
751 | } | |
752 | ||
753 | static void saa7134_unregister_video(struct saa7134_dev *dev) | |
754 | { | |
755 | if (dev->video_dev) { | |
756 | if (-1 != dev->video_dev->minor) | |
757 | video_unregister_device(dev->video_dev); | |
758 | else | |
759 | video_device_release(dev->video_dev); | |
760 | dev->video_dev = NULL; | |
761 | } | |
762 | if (dev->vbi_dev) { | |
763 | if (-1 != dev->vbi_dev->minor) | |
764 | video_unregister_device(dev->vbi_dev); | |
765 | else | |
766 | video_device_release(dev->vbi_dev); | |
767 | dev->vbi_dev = NULL; | |
768 | } | |
769 | if (dev->radio_dev) { | |
770 | if (-1 != dev->radio_dev->minor) | |
771 | video_unregister_device(dev->radio_dev); | |
772 | else | |
773 | video_device_release(dev->radio_dev); | |
774 | dev->radio_dev = NULL; | |
775 | } | |
776 | } | |
777 | ||
778 | static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, | |
779 | struct saa7134_dev *dev) | |
780 | { | |
781 | int err; | |
782 | ||
783 | if (NULL != dev->mops) | |
784 | return; | |
785 | if (saa7134_boards[dev->board].mpeg != ops->type) | |
786 | return; | |
787 | err = ops->init(dev); | |
788 | if (0 != err) | |
789 | return; | |
790 | dev->mops = ops; | |
791 | } | |
792 | ||
793 | static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, | |
794 | struct saa7134_dev *dev) | |
795 | { | |
796 | if (NULL == dev->mops) | |
797 | return; | |
798 | if (dev->mops != ops) | |
799 | return; | |
800 | dev->mops->fini(dev); | |
801 | dev->mops = NULL; | |
802 | } | |
803 | ||
804 | static int __devinit saa7134_initdev(struct pci_dev *pci_dev, | |
805 | const struct pci_device_id *pci_id) | |
806 | { | |
807 | struct saa7134_dev *dev; | |
808 | struct list_head *item; | |
809 | struct saa7134_mpeg_ops *mops; | |
810 | int err; | |
811 | ||
7408187d | 812 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); |
1da177e4 LT |
813 | if (NULL == dev) |
814 | return -ENOMEM; | |
1da177e4 LT |
815 | |
816 | /* pci init */ | |
817 | dev->pci = pci_dev; | |
818 | if (pci_enable_device(pci_dev)) { | |
819 | err = -EIO; | |
820 | goto fail1; | |
821 | } | |
822 | ||
823 | dev->nr = saa7134_devcount; | |
824 | sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); | |
825 | ||
826 | /* pci quirks */ | |
827 | if (pci_pci_problems) { | |
828 | if (pci_pci_problems & PCIPCI_TRITON) | |
829 | printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name); | |
830 | if (pci_pci_problems & PCIPCI_NATOMA) | |
831 | printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name); | |
832 | if (pci_pci_problems & PCIPCI_VIAETBF) | |
833 | printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name); | |
834 | if (pci_pci_problems & PCIPCI_VSFX) | |
835 | printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name); | |
836 | #ifdef PCIPCI_ALIMAGIK | |
837 | if (pci_pci_problems & PCIPCI_ALIMAGIK) { | |
838 | printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", | |
839 | dev->name); | |
840 | latency = 0x0A; | |
841 | } | |
842 | #endif | |
9050d942 MCC |
843 | if (pci_pci_problems & PCIPCI_FAIL) { |
844 | printk(KERN_INFO "%s: quirk: this driver and your " | |
845 | "chipset may not work together" | |
846 | " in overlay mode.\n",dev->name); | |
847 | if (!no_overlay) { | |
848 | printk(KERN_INFO "%s: quirk: overlay " | |
849 | "mode will be disabled.\n", | |
850 | dev->name); | |
851 | no_overlay = 1; | |
852 | } else { | |
853 | printk(KERN_INFO "%s: quirk: overlay " | |
854 | "mode will be forced. Use this" | |
855 | " option at your own risk.\n", | |
856 | dev->name); | |
857 | } | |
858 | } | |
1da177e4 LT |
859 | } |
860 | if (UNSET != latency) { | |
861 | printk(KERN_INFO "%s: setting pci latency timer to %d\n", | |
862 | dev->name,latency); | |
863 | pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); | |
864 | } | |
865 | ||
866 | /* print pci info */ | |
867 | pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); | |
4ac97914 MCC |
868 | pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); |
869 | printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, " | |
1da177e4 LT |
870 | "latency: %d, mmio: 0x%lx\n", dev->name, |
871 | pci_name(pci_dev), dev->pci_rev, pci_dev->irq, | |
872 | dev->pci_lat,pci_resource_start(pci_dev,0)); | |
873 | pci_set_master(pci_dev); | |
874 | if (!pci_dma_supported(pci_dev,0xffffffff)) { | |
875 | printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name); | |
876 | err = -EIO; | |
877 | goto fail1; | |
878 | } | |
879 | ||
880 | /* board config */ | |
881 | dev->board = pci_id->driver_data; | |
882 | if (card[dev->nr] >= 0 && | |
883 | card[dev->nr] < saa7134_bcount) | |
884 | dev->board = card[dev->nr]; | |
885 | if (SAA7134_BOARD_NOAUTO == dev->board) { | |
886 | must_configure_manually(); | |
887 | dev->board = SAA7134_BOARD_UNKNOWN; | |
888 | } | |
889 | dev->tuner_type = saa7134_boards[dev->board].tuner_type; | |
890 | dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; | |
891 | if (UNSET != tuner[dev->nr]) | |
892 | dev->tuner_type = tuner[dev->nr]; | |
4ac97914 | 893 | printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", |
1da177e4 LT |
894 | dev->name,pci_dev->subsystem_vendor, |
895 | pci_dev->subsystem_device,saa7134_boards[dev->board].name, | |
896 | dev->board, card[dev->nr] == dev->board ? | |
897 | "insmod option" : "autodetected"); | |
898 | ||
899 | /* get mmio */ | |
900 | if (!request_mem_region(pci_resource_start(pci_dev,0), | |
901 | pci_resource_len(pci_dev,0), | |
902 | dev->name)) { | |
903 | err = -EBUSY; | |
904 | printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n", | |
905 | dev->name,pci_resource_start(pci_dev,0)); | |
906 | goto fail1; | |
907 | } | |
908 | dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000); | |
909 | dev->bmmio = (__u8 __iomem *)dev->lmmio; | |
910 | if (NULL == dev->lmmio) { | |
911 | err = -EIO; | |
912 | printk(KERN_ERR "%s: can't ioremap() MMIO memory\n", | |
913 | dev->name); | |
914 | goto fail2; | |
915 | } | |
916 | ||
917 | /* initialize hardware #1 */ | |
1da177e4 LT |
918 | saa7134_board_init1(dev); |
919 | saa7134_hwinit1(dev); | |
920 | ||
921 | /* get irq */ | |
922 | err = request_irq(pci_dev->irq, saa7134_irq, | |
923 | SA_SHIRQ | SA_INTERRUPT, dev->name, dev); | |
924 | if (err < 0) { | |
925 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
926 | dev->name,pci_dev->irq); | |
927 | goto fail3; | |
928 | } | |
929 | ||
930 | /* wait a bit, register i2c bus */ | |
931 | msleep(100); | |
932 | saa7134_i2c_register(dev); | |
933 | ||
934 | /* initialize hardware #2 */ | |
935 | saa7134_board_init2(dev); | |
936 | saa7134_hwinit2(dev); | |
937 | ||
938 | /* load i2c helpers */ | |
939 | if (TUNER_ABSENT != dev->tuner_type) | |
940 | request_module("tuner"); | |
941 | if (dev->tda9887_conf) | |
942 | request_module("tda9887"); | |
4ac97914 | 943 | if (card_is_empress(dev)) { |
1da177e4 LT |
944 | request_module("saa6752hs"); |
945 | request_module_depend("saa7134-empress",&need_empress); | |
946 | } | |
330a115a | 947 | |
4ac97914 | 948 | if (card_is_dvb(dev)) |
1da177e4 LT |
949 | request_module_depend("saa7134-dvb",&need_dvb); |
950 | ||
4aabf633 RC |
951 | |
952 | if (alsa) | |
b54134be | 953 | request_module_depend("saa7134-alsa",&need_alsa); |
b54134be | 954 | |
4aabf633 RC |
955 | if (oss) |
956 | request_module_depend("saa7134-oss",&need_oss); | |
b54134be | 957 | |
1da177e4 LT |
958 | v4l2_prio_init(&dev->prio); |
959 | ||
960 | /* register v4l devices */ | |
961 | dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); | |
962 | err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, | |
963 | video_nr[dev->nr]); | |
964 | if (err < 0) { | |
965 | printk(KERN_INFO "%s: can't register video device\n", | |
966 | dev->name); | |
967 | goto fail4; | |
968 | } | |
969 | printk(KERN_INFO "%s: registered device video%d [v4l2]\n", | |
970 | dev->name,dev->video_dev->minor & 0x1f); | |
971 | ||
972 | dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi"); | |
973 | err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, | |
974 | vbi_nr[dev->nr]); | |
975 | if (err < 0) | |
976 | goto fail4; | |
977 | printk(KERN_INFO "%s: registered device vbi%d\n", | |
978 | dev->name,dev->vbi_dev->minor & 0x1f); | |
979 | ||
980 | if (card_has_radio(dev)) { | |
981 | dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); | |
982 | err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, | |
983 | radio_nr[dev->nr]); | |
984 | if (err < 0) | |
985 | goto fail4; | |
986 | printk(KERN_INFO "%s: registered device radio%d\n", | |
987 | dev->name,dev->radio_dev->minor & 0x1f); | |
988 | } | |
989 | ||
1da177e4 LT |
990 | /* everything worked */ |
991 | pci_set_drvdata(pci_dev,dev); | |
992 | saa7134_devcount++; | |
993 | ||
1e4baed3 | 994 | mutex_lock(&devlist_lock); |
1da177e4 LT |
995 | list_for_each(item,&mops_list) { |
996 | mops = list_entry(item, struct saa7134_mpeg_ops, next); | |
997 | mpeg_ops_attach(mops, dev); | |
998 | } | |
999 | list_add_tail(&dev->devlist,&saa7134_devlist); | |
1e4baed3 | 1000 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1001 | |
1002 | /* check for signal */ | |
1003 | saa7134_irq_video_intl(dev); | |
c817e763 | 1004 | |
f5b974cb RC |
1005 | if (dmasound_init && !dev->dmasound.priv_data) { |
1006 | dmasound_init(dev); | |
1007 | } | |
1008 | ||
1da177e4 LT |
1009 | return 0; |
1010 | ||
1da177e4 LT |
1011 | fail4: |
1012 | saa7134_unregister_video(dev); | |
1013 | saa7134_i2c_unregister(dev); | |
1014 | free_irq(pci_dev->irq, dev); | |
1015 | fail3: | |
1016 | saa7134_hwfini(dev); | |
1017 | iounmap(dev->lmmio); | |
1018 | fail2: | |
1019 | release_mem_region(pci_resource_start(pci_dev,0), | |
1020 | pci_resource_len(pci_dev,0)); | |
1021 | fail1: | |
1022 | kfree(dev); | |
1023 | return err; | |
1024 | } | |
1025 | ||
1026 | static void __devexit saa7134_finidev(struct pci_dev *pci_dev) | |
1027 | { | |
4ac97914 | 1028 | struct saa7134_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
1029 | struct list_head *item; |
1030 | struct saa7134_mpeg_ops *mops; | |
1031 | ||
f5b974cb RC |
1032 | /* Release DMA sound modules if present */ |
1033 | if (dmasound_exit && dev->dmasound.priv_data) { | |
1034 | dmasound_exit(dev); | |
1035 | } | |
1036 | ||
1da177e4 LT |
1037 | /* debugging ... */ |
1038 | if (irq_debug) { | |
1039 | u32 report = saa_readl(SAA7134_IRQ_REPORT); | |
1040 | u32 status = saa_readl(SAA7134_IRQ_STATUS); | |
1041 | print_irqstatus(dev,42,report,status); | |
1042 | } | |
1043 | ||
1044 | /* disable peripheral devices */ | |
1045 | saa_writeb(SAA7134_SPECIAL_MODE,0); | |
1046 | ||
1047 | /* shutdown hardware */ | |
1048 | saa_writel(SAA7134_IRQ1,0); | |
1049 | saa_writel(SAA7134_IRQ2,0); | |
1050 | saa_writel(SAA7134_MAIN_CTRL,0); | |
1051 | ||
1052 | /* shutdown subsystems */ | |
1053 | saa7134_hwfini(dev); | |
1054 | ||
1055 | /* unregister */ | |
1e4baed3 | 1056 | mutex_lock(&devlist_lock); |
1da177e4 LT |
1057 | list_del(&dev->devlist); |
1058 | list_for_each(item,&mops_list) { | |
1059 | mops = list_entry(item, struct saa7134_mpeg_ops, next); | |
1060 | mpeg_ops_detach(mops, dev); | |
1061 | } | |
1e4baed3 | 1062 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1063 | saa7134_devcount--; |
1064 | ||
1065 | saa7134_i2c_unregister(dev); | |
1da177e4 LT |
1066 | saa7134_unregister_video(dev); |
1067 | ||
f5b974cb | 1068 | |
4aabf633 RC |
1069 | /* the DMA sound modules should be unloaded before reaching |
1070 | this, but just in case they are still present... */ | |
1071 | if (dev->dmasound.priv_data != NULL) { | |
1072 | free_irq(pci_dev->irq, &dev->dmasound); | |
1073 | dev->dmasound.priv_data = NULL; | |
1074 | } | |
1075 | ||
f5b974cb | 1076 | |
4aabf633 | 1077 | /* release resources */ |
1da177e4 LT |
1078 | free_irq(pci_dev->irq, dev); |
1079 | iounmap(dev->lmmio); | |
1080 | release_mem_region(pci_resource_start(pci_dev,0), | |
1081 | pci_resource_len(pci_dev,0)); | |
1082 | ||
1da177e4 LT |
1083 | pci_set_drvdata(pci_dev, NULL); |
1084 | ||
1085 | /* free memory */ | |
1086 | kfree(dev); | |
1087 | } | |
1088 | ||
1089 | /* ----------------------------------------------------------- */ | |
1090 | ||
1091 | int saa7134_ts_register(struct saa7134_mpeg_ops *ops) | |
1092 | { | |
1093 | struct list_head *item; | |
1094 | struct saa7134_dev *dev; | |
1095 | ||
1e4baed3 | 1096 | mutex_lock(&devlist_lock); |
1da177e4 LT |
1097 | list_for_each(item,&saa7134_devlist) { |
1098 | dev = list_entry(item, struct saa7134_dev, devlist); | |
1099 | mpeg_ops_attach(ops, dev); | |
1100 | } | |
1101 | list_add_tail(&ops->next,&mops_list); | |
1e4baed3 | 1102 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1103 | return 0; |
1104 | } | |
1105 | ||
1106 | void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) | |
1107 | { | |
1108 | struct list_head *item; | |
1109 | struct saa7134_dev *dev; | |
1110 | ||
1e4baed3 | 1111 | mutex_lock(&devlist_lock); |
1da177e4 LT |
1112 | list_del(&ops->next); |
1113 | list_for_each(item,&saa7134_devlist) { | |
1114 | dev = list_entry(item, struct saa7134_dev, devlist); | |
1115 | mpeg_ops_detach(ops, dev); | |
1116 | } | |
1e4baed3 | 1117 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1118 | } |
1119 | ||
1120 | EXPORT_SYMBOL(saa7134_ts_register); | |
1121 | EXPORT_SYMBOL(saa7134_ts_unregister); | |
1122 | ||
1123 | /* ----------------------------------------------------------- */ | |
1124 | ||
1125 | static struct pci_driver saa7134_pci_driver = { | |
4ac97914 MCC |
1126 | .name = "saa7134", |
1127 | .id_table = saa7134_pci_tbl, | |
1128 | .probe = saa7134_initdev, | |
1129 | .remove = __devexit_p(saa7134_finidev), | |
1da177e4 LT |
1130 | }; |
1131 | ||
1132 | static int saa7134_init(void) | |
1133 | { | |
1134 | INIT_LIST_HEAD(&saa7134_devlist); | |
1135 | printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n", | |
1136 | (SAA7134_VERSION_CODE >> 16) & 0xff, | |
1137 | (SAA7134_VERSION_CODE >> 8) & 0xff, | |
1138 | SAA7134_VERSION_CODE & 0xff); | |
1139 | #ifdef SNAPSHOT | |
1140 | printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n", | |
1141 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
1142 | #endif | |
2304759d | 1143 | return pci_register_driver(&saa7134_pci_driver); |
1da177e4 LT |
1144 | } |
1145 | ||
1146 | static void saa7134_fini(void) | |
1147 | { | |
fd1eab73 | 1148 | #if defined(CONFIG_MODULES) && defined(MODULE) |
1da177e4 LT |
1149 | if (pending_registered) |
1150 | unregister_module_notifier(&pending_notifier); | |
fd1eab73 | 1151 | #endif /* CONFIG_MODULES */ |
1da177e4 LT |
1152 | pci_unregister_driver(&saa7134_pci_driver); |
1153 | } | |
1154 | ||
1155 | module_init(saa7134_init); | |
1156 | module_exit(saa7134_fini); | |
1157 | ||
1158 | /* ----------------------------------------------------------- */ | |
1159 | ||
1da177e4 LT |
1160 | EXPORT_SYMBOL(saa7134_i2c_call_clients); |
1161 | EXPORT_SYMBOL(saa7134_devlist); | |
1162 | EXPORT_SYMBOL(saa7134_boards); | |
1163 | ||
4aabf633 | 1164 | /* ----------------- for the DMA sound modules --------------- */ |
79dd0c69 | 1165 | |
f5b974cb RC |
1166 | EXPORT_SYMBOL(dmasound_init); |
1167 | EXPORT_SYMBOL(dmasound_exit); | |
79dd0c69 RC |
1168 | EXPORT_SYMBOL(saa7134_pgtable_free); |
1169 | EXPORT_SYMBOL(saa7134_pgtable_build); | |
1170 | EXPORT_SYMBOL(saa7134_pgtable_alloc); | |
1171 | EXPORT_SYMBOL(saa7134_set_dmabits); | |
1172 | ||
1da177e4 LT |
1173 | /* ----------------------------------------------------------- */ |
1174 | /* | |
1175 | * Local variables: | |
1176 | * c-basic-offset: 8 | |
1177 | * End: | |
1178 | */ |