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 | ||
1da177e4 LT |
23 | #include <linux/init.h> |
24 | #include <linux/list.h> | |
25 | #include <linux/module.h> | |
1da177e4 LT |
26 | #include <linux/kernel.h> |
27 | #include <linux/slab.h> | |
28 | #include <linux/kmod.h> | |
29 | #include <linux/sound.h> | |
30 | #include <linux/interrupt.h> | |
31 | #include <linux/delay.h> | |
1e4baed3 | 32 | #include <linux/mutex.h> |
56b146d3 | 33 | #include <linux/dma-mapping.h> |
cb71201f | 34 | #include <linux/pm.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 | ||
ff699e6b | 45 | static unsigned int irq_debug; |
1da177e4 LT |
46 | module_param(irq_debug, int, 0644); |
47 | MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]"); | |
48 | ||
ff699e6b | 49 | static unsigned int core_debug; |
1da177e4 LT |
50 | module_param(core_debug, int, 0644); |
51 | MODULE_PARM_DESC(core_debug,"enable debug messages [core]"); | |
52 | ||
ff699e6b | 53 | static unsigned int gpio_tracking; |
1da177e4 LT |
54 | module_param(gpio_tracking, int, 0644); |
55 | MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]"); | |
56 | ||
ff699e6b | 57 | static unsigned int alsa; |
4aabf633 RC |
58 | module_param(alsa, int, 0644); |
59 | MODULE_PARM_DESC(alsa,"enable ALSA DMA sound [dmasound]"); | |
60 | ||
ff699e6b | 61 | static unsigned int oss; |
4aabf633 RC |
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 | ||
ecb73774 MCC |
69 | int saa7134_no_overlay=-1; |
70 | module_param_named(no_overlay, saa7134_no_overlay, int, 0444); | |
9050d942 MCC |
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 | ||
78457018 AB |
98 | int (*saa7134_dmasound_init)(struct saa7134_dev *dev); |
99 | int (*saa7134_dmasound_exit)(struct saa7134_dev *dev); | |
f5b974cb | 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 | ||
b8195946 HH |
120 | void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value) |
121 | { | |
122 | u32 index, bitval; | |
b8195946 HH |
123 | |
124 | index = 1 << bit_no; | |
125 | switch (value) { | |
126 | case 0: /* static value */ | |
127 | case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value); | |
128 | /* turn sync mode off if necessary */ | |
129 | if (index & 0x00c00000) | |
130 | saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00); | |
131 | if (value) | |
132 | bitval = index; | |
133 | else | |
134 | bitval = 0; | |
135 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index); | |
136 | saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval); | |
137 | break; | |
138 | case 3: /* tristate */ | |
139 | dprintk("setting GPIO%d to tristate\n", bit_no); | |
140 | saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0); | |
141 | break; | |
cfeb8839 HH |
142 | } |
143 | } | |
144 | ||
1da177e4 LT |
145 | /* ------------------------------------------------------------------ */ |
146 | ||
1da177e4 LT |
147 | |
148 | /* ----------------------------------------------------------- */ | |
149 | /* delayed request_module */ | |
150 | ||
fd1eab73 | 151 | #if defined(CONFIG_MODULES) && defined(MODULE) |
1da177e4 | 152 | |
4217e252 MR |
153 | static void request_module_async(struct work_struct *work){ |
154 | struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk); | |
155 | if (card_is_empress(dev)) | |
4ac97914 | 156 | request_module("saa7134-empress"); |
4217e252 | 157 | if (card_is_dvb(dev)) |
4ac97914 | 158 | request_module("saa7134-dvb"); |
4217e252 | 159 | if (alsa) |
b54134be | 160 | request_module("saa7134-alsa"); |
4217e252 | 161 | if (oss) |
4aabf633 | 162 | request_module("saa7134-oss"); |
1da177e4 LT |
163 | } |
164 | ||
4217e252 | 165 | static void request_submodules(struct saa7134_dev *dev) |
1da177e4 | 166 | { |
4217e252 MR |
167 | INIT_WORK(&dev->request_module_wk, request_module_async); |
168 | schedule_work(&dev->request_module_wk); | |
1da177e4 LT |
169 | } |
170 | ||
171 | #else | |
15f189e9 | 172 | #define request_submodules(dev) |
1da177e4 LT |
173 | #endif /* CONFIG_MODULES */ |
174 | ||
175 | /* ------------------------------------------------------------------ */ | |
176 | ||
177 | /* nr of (saa7134-)pages for the given buffer size */ | |
178 | static int saa7134_buffer_pages(int size) | |
179 | { | |
180 | size = PAGE_ALIGN(size); | |
181 | size += PAGE_SIZE; /* for non-page-aligned buffers */ | |
182 | size /= 4096; | |
183 | return size; | |
184 | } | |
185 | ||
186 | /* calc max # of buffers from size (must not exceed the 4MB virtual | |
187 | * address space per DMA channel) */ | |
188 | int saa7134_buffer_count(unsigned int size, unsigned int count) | |
189 | { | |
190 | unsigned int maxcount; | |
191 | ||
192 | maxcount = 1024 / saa7134_buffer_pages(size); | |
193 | if (count > maxcount) | |
194 | count = maxcount; | |
195 | return count; | |
196 | } | |
197 | ||
198 | int saa7134_buffer_startpage(struct saa7134_buf *buf) | |
199 | { | |
200 | return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i; | |
201 | } | |
202 | ||
203 | unsigned long saa7134_buffer_base(struct saa7134_buf *buf) | |
204 | { | |
205 | unsigned long base; | |
c1accaa2 | 206 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
1da177e4 LT |
207 | |
208 | base = saa7134_buffer_startpage(buf) * 4096; | |
c1accaa2 | 209 | base += dma->sglist[0].offset; |
1da177e4 LT |
210 | return base; |
211 | } | |
212 | ||
213 | /* ------------------------------------------------------------------ */ | |
214 | ||
215 | int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt) | |
216 | { | |
4ac97914 MCC |
217 | __le32 *cpu; |
218 | dma_addr_t dma_addr; | |
1da177e4 LT |
219 | |
220 | cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr); | |
221 | if (NULL == cpu) | |
222 | return -ENOMEM; | |
223 | pt->size = SAA7134_PGTABLE_SIZE; | |
224 | pt->cpu = cpu; | |
225 | pt->dma = dma_addr; | |
226 | return 0; | |
227 | } | |
228 | ||
229 | int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt, | |
230 | struct scatterlist *list, unsigned int length, | |
231 | unsigned int startpage) | |
232 | { | |
c9c12b79 | 233 | __le32 *ptr; |
1da177e4 LT |
234 | unsigned int i,p; |
235 | ||
236 | BUG_ON(NULL == pt || NULL == pt->cpu); | |
237 | ||
238 | ptr = pt->cpu + startpage; | |
239 | for (i = 0; i < length; i++, list++) | |
240 | for (p = 0; p * 4096 < list->length; p++, ptr++) | |
a20758fa | 241 | *ptr = cpu_to_le32(sg_dma_address(list) - list->offset); |
1da177e4 LT |
242 | return 0; |
243 | } | |
244 | ||
245 | void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt) | |
246 | { | |
247 | if (NULL == pt->cpu) | |
248 | return; | |
249 | pci_free_consistent(pci, pt->size, pt->cpu, pt->dma); | |
250 | pt->cpu = NULL; | |
251 | } | |
252 | ||
253 | /* ------------------------------------------------------------------ */ | |
254 | ||
c7b0ac05 | 255 | void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf) |
1da177e4 | 256 | { |
c1accaa2 | 257 | struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb); |
ae24601b | 258 | BUG_ON(in_interrupt()); |
1da177e4 LT |
259 | |
260 | videobuf_waiton(&buf->vb,0,0); | |
c1accaa2 MCC |
261 | videobuf_dma_unmap(q, dma); |
262 | videobuf_dma_free(dma); | |
0fc0686e | 263 | buf->vb.state = VIDEOBUF_NEEDS_INIT; |
1da177e4 LT |
264 | } |
265 | ||
266 | /* ------------------------------------------------------------------ */ | |
267 | ||
268 | int saa7134_buffer_queue(struct saa7134_dev *dev, | |
269 | struct saa7134_dmaqueue *q, | |
270 | struct saa7134_buf *buf) | |
271 | { | |
272 | struct saa7134_buf *next = NULL; | |
273 | ||
274 | assert_spin_locked(&dev->slock); | |
275 | dprintk("buffer_queue %p\n",buf); | |
276 | if (NULL == q->curr) { | |
277 | if (!q->need_two) { | |
278 | q->curr = buf; | |
279 | buf->activate(dev,buf,NULL); | |
280 | } else if (list_empty(&q->queue)) { | |
281 | list_add_tail(&buf->vb.queue,&q->queue); | |
0fc0686e | 282 | buf->vb.state = VIDEOBUF_QUEUED; |
1da177e4 LT |
283 | } else { |
284 | next = list_entry(q->queue.next,struct saa7134_buf, | |
285 | vb.queue); | |
286 | q->curr = buf; | |
287 | buf->activate(dev,buf,next); | |
288 | } | |
289 | } else { | |
290 | list_add_tail(&buf->vb.queue,&q->queue); | |
0fc0686e | 291 | buf->vb.state = VIDEOBUF_QUEUED; |
1da177e4 LT |
292 | } |
293 | return 0; | |
294 | } | |
295 | ||
296 | void saa7134_buffer_finish(struct saa7134_dev *dev, | |
297 | struct saa7134_dmaqueue *q, | |
298 | unsigned int state) | |
299 | { | |
300 | assert_spin_locked(&dev->slock); | |
301 | dprintk("buffer_finish %p\n",q->curr); | |
302 | ||
303 | /* finish current buffer */ | |
304 | q->curr->vb.state = state; | |
305 | do_gettimeofday(&q->curr->vb.ts); | |
306 | wake_up(&q->curr->vb.done); | |
307 | q->curr = NULL; | |
308 | } | |
309 | ||
310 | void saa7134_buffer_next(struct saa7134_dev *dev, | |
311 | struct saa7134_dmaqueue *q) | |
312 | { | |
313 | struct saa7134_buf *buf,*next = NULL; | |
314 | ||
315 | assert_spin_locked(&dev->slock); | |
316 | BUG_ON(NULL != q->curr); | |
317 | ||
318 | if (!list_empty(&q->queue)) { | |
319 | /* activate next one from queue */ | |
320 | buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue); | |
321 | dprintk("buffer_next %p [prev=%p/next=%p]\n", | |
322 | buf,q->queue.prev,q->queue.next); | |
323 | list_del(&buf->vb.queue); | |
324 | if (!list_empty(&q->queue)) | |
325 | next = list_entry(q->queue.next,struct saa7134_buf, | |
326 | vb.queue); | |
327 | q->curr = buf; | |
328 | buf->activate(dev,buf,next); | |
329 | dprintk("buffer_next #2 prev=%p/next=%p\n", | |
330 | q->queue.prev,q->queue.next); | |
331 | } else { | |
332 | /* nothing to do -- just stop DMA */ | |
333 | dprintk("buffer_next %p\n",NULL); | |
334 | saa7134_set_dmabits(dev); | |
335 | del_timer(&q->timeout); | |
336 | } | |
337 | } | |
338 | ||
339 | void saa7134_buffer_timeout(unsigned long data) | |
340 | { | |
341 | struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data; | |
342 | struct saa7134_dev *dev = q->dev; | |
343 | unsigned long flags; | |
344 | ||
345 | spin_lock_irqsave(&dev->slock,flags); | |
346 | ||
347 | /* try to reset the hardware (SWRST) */ | |
348 | saa_writeb(SAA7134_REGION_ENABLE, 0x00); | |
349 | saa_writeb(SAA7134_REGION_ENABLE, 0x80); | |
350 | saa_writeb(SAA7134_REGION_ENABLE, 0x00); | |
351 | ||
352 | /* flag current buffer as failed, | |
353 | try to start over with the next one. */ | |
354 | if (q->curr) { | |
355 | dprintk("timeout on %p\n",q->curr); | |
0fc0686e | 356 | saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR); |
1da177e4 LT |
357 | } |
358 | saa7134_buffer_next(dev,q); | |
359 | spin_unlock_irqrestore(&dev->slock,flags); | |
360 | } | |
361 | ||
362 | /* ------------------------------------------------------------------ */ | |
363 | ||
364 | int saa7134_set_dmabits(struct saa7134_dev *dev) | |
365 | { | |
366 | u32 split, task=0, ctrl=0, irq=0; | |
367 | enum v4l2_field cap = V4L2_FIELD_ANY; | |
368 | enum v4l2_field ov = V4L2_FIELD_ANY; | |
369 | ||
370 | assert_spin_locked(&dev->slock); | |
371 | ||
c458473e | 372 | if (dev->insuspend) |
acd827d6 ML |
373 | return 0; |
374 | ||
1da177e4 LT |
375 | /* video capture -- dma 0 + video task A */ |
376 | if (dev->video_q.curr) { | |
377 | task |= 0x01; | |
378 | ctrl |= SAA7134_MAIN_CTRL_TE0; | |
379 | irq |= SAA7134_IRQ1_INTE_RA0_1 | | |
380 | SAA7134_IRQ1_INTE_RA0_0; | |
4ac97914 | 381 | cap = dev->video_q.curr->vb.field; |
1da177e4 LT |
382 | } |
383 | ||
384 | /* video capture -- dma 1+2 (planar modes) */ | |
385 | if (dev->video_q.curr && | |
386 | dev->video_q.curr->fmt->planar) { | |
387 | ctrl |= SAA7134_MAIN_CTRL_TE4 | | |
388 | SAA7134_MAIN_CTRL_TE5; | |
389 | } | |
390 | ||
391 | /* screen overlay -- dma 0 + video task B */ | |
392 | if (dev->ovenable) { | |
393 | task |= 0x10; | |
394 | ctrl |= SAA7134_MAIN_CTRL_TE1; | |
395 | ov = dev->ovfield; | |
396 | } | |
397 | ||
398 | /* vbi capture -- dma 0 + vbi task A+B */ | |
399 | if (dev->vbi_q.curr) { | |
400 | task |= 0x22; | |
401 | ctrl |= SAA7134_MAIN_CTRL_TE2 | | |
402 | SAA7134_MAIN_CTRL_TE3; | |
403 | irq |= SAA7134_IRQ1_INTE_RA0_7 | | |
404 | SAA7134_IRQ1_INTE_RA0_6 | | |
405 | SAA7134_IRQ1_INTE_RA0_5 | | |
406 | SAA7134_IRQ1_INTE_RA0_4; | |
407 | } | |
408 | ||
409 | /* audio capture -- dma 3 */ | |
b54134be | 410 | if (dev->dmasound.dma_running) { |
1da177e4 LT |
411 | ctrl |= SAA7134_MAIN_CTRL_TE6; |
412 | irq |= SAA7134_IRQ1_INTE_RA3_1 | | |
413 | SAA7134_IRQ1_INTE_RA3_0; | |
414 | } | |
415 | ||
416 | /* TS capture -- dma 5 */ | |
417 | if (dev->ts_q.curr) { | |
418 | ctrl |= SAA7134_MAIN_CTRL_TE5; | |
419 | irq |= SAA7134_IRQ1_INTE_RA2_3 | | |
420 | SAA7134_IRQ1_INTE_RA2_2 | | |
421 | SAA7134_IRQ1_INTE_RA2_1 | | |
422 | SAA7134_IRQ1_INTE_RA2_0; | |
423 | } | |
424 | ||
425 | /* set task conditions + field handling */ | |
426 | if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) { | |
427 | /* default config -- use full frames */ | |
428 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); | |
429 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); | |
430 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02); | |
431 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02); | |
432 | split = 0; | |
433 | } else { | |
434 | /* split fields between tasks */ | |
435 | if (V4L2_FIELD_TOP == cap) { | |
436 | /* odd A, even B, repeat */ | |
437 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d); | |
438 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e); | |
439 | } else { | |
440 | /* odd B, even A, repeat */ | |
441 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e); | |
442 | saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d); | |
443 | } | |
444 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01); | |
445 | saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01); | |
446 | split = 1; | |
447 | } | |
448 | ||
449 | /* irqs */ | |
450 | saa_writeb(SAA7134_REGION_ENABLE, task); | |
451 | saa_writel(SAA7134_IRQ1, irq); | |
452 | saa_andorl(SAA7134_MAIN_CTRL, | |
453 | SAA7134_MAIN_CTRL_TE0 | | |
454 | SAA7134_MAIN_CTRL_TE1 | | |
455 | SAA7134_MAIN_CTRL_TE2 | | |
456 | SAA7134_MAIN_CTRL_TE3 | | |
457 | SAA7134_MAIN_CTRL_TE4 | | |
458 | SAA7134_MAIN_CTRL_TE5 | | |
459 | SAA7134_MAIN_CTRL_TE6, | |
460 | ctrl); | |
461 | dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n", | |
462 | task, ctrl, irq, split ? "no" : "yes"); | |
463 | ||
464 | return 0; | |
465 | } | |
466 | ||
467 | /* ------------------------------------------------------------------ */ | |
468 | /* IRQ handler + helpers */ | |
469 | ||
470 | static char *irqbits[] = { | |
471 | "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3", | |
472 | "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC", | |
473 | "TRIG_ERR", "CONF_ERR", "LOAD_ERR", | |
474 | "GPIO16?", "GPIO18", "GPIO22", "GPIO23" | |
475 | }; | |
476 | #define IRQBITS ARRAY_SIZE(irqbits) | |
477 | ||
478 | static void print_irqstatus(struct saa7134_dev *dev, int loop, | |
479 | unsigned long report, unsigned long status) | |
480 | { | |
481 | unsigned int i; | |
482 | ||
483 | printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx", | |
484 | dev->name,loop,jiffies,report,status); | |
485 | for (i = 0; i < IRQBITS; i++) { | |
486 | if (!(report & (1 << i))) | |
487 | continue; | |
488 | printk(" %s",irqbits[i]); | |
489 | } | |
490 | if (report & SAA7134_IRQ_REPORT_DONE_RA0) { | |
491 | printk(" | RA0=%s,%s,%s,%ld", | |
492 | (status & 0x40) ? "vbi" : "video", | |
493 | (status & 0x20) ? "b" : "a", | |
494 | (status & 0x10) ? "odd" : "even", | |
495 | (status & 0x0f)); | |
496 | } | |
497 | printk("\n"); | |
498 | } | |
499 | ||
7d12e780 | 500 | static irqreturn_t saa7134_irq(int irq, void *dev_id) |
1da177e4 LT |
501 | { |
502 | struct saa7134_dev *dev = (struct saa7134_dev*) dev_id; | |
503 | unsigned long report,status; | |
504 | int loop, handled = 0; | |
505 | ||
c458473e ML |
506 | if (dev->insuspend) |
507 | goto out; | |
508 | ||
1da177e4 LT |
509 | for (loop = 0; loop < 10; loop++) { |
510 | report = saa_readl(SAA7134_IRQ_REPORT); | |
511 | status = saa_readl(SAA7134_IRQ_STATUS); | |
79dd0c69 | 512 | |
843b1378 HL |
513 | /* If dmasound support is active and we get a sound report, |
514 | * mask out the report and let the saa7134-alsa module deal | |
515 | * with it */ | |
4aabf633 RC |
516 | if ((report & SAA7134_IRQ_REPORT_DONE_RA3) && |
517 | (dev->dmasound.priv_data != NULL) ) | |
518 | { | |
79dd0c69 | 519 | if (irq_debug > 1) |
843b1378 HL |
520 | printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n", |
521 | dev->name); | |
522 | report &= ~SAA7134_IRQ_REPORT_DONE_RA3; | |
523 | } | |
524 | ||
525 | if (0 == report) { | |
526 | if (irq_debug > 1) | |
527 | printk(KERN_DEBUG "%s/irq: no (more) work\n", | |
79dd0c69 RC |
528 | dev->name); |
529 | goto out; | |
530 | } | |
531 | ||
1da177e4 LT |
532 | handled = 1; |
533 | saa_writel(SAA7134_IRQ_REPORT,report); | |
534 | if (irq_debug) | |
535 | print_irqstatus(dev,loop,report,status); | |
536 | ||
1da177e4 | 537 | |
11f7078c ML |
538 | if ((report & SAA7134_IRQ_REPORT_RDCAP) || |
539 | (report & SAA7134_IRQ_REPORT_INTL)) | |
540 | saa7134_irq_video_signalchange(dev); | |
541 | ||
1da177e4 LT |
542 | |
543 | if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && | |
544 | (status & 0x60) == 0) | |
545 | saa7134_irq_video_done(dev,status); | |
546 | ||
547 | if ((report & SAA7134_IRQ_REPORT_DONE_RA0) && | |
548 | (status & 0x40) == 0x40) | |
549 | saa7134_irq_vbi_done(dev,status); | |
550 | ||
551 | if ((report & SAA7134_IRQ_REPORT_DONE_RA2) && | |
552 | card_has_mpeg(dev)) | |
553 | saa7134_irq_ts_done(dev,status); | |
554 | ||
0602fbb2 PM |
555 | if (report & SAA7134_IRQ_REPORT_GPIO16) { |
556 | switch (dev->has_remote) { | |
557 | case SAA7134_REMOTE_GPIO: | |
7a766f9d SV |
558 | if (!dev->remote) |
559 | break; | |
0602fbb2 PM |
560 | if (dev->remote->mask_keydown & 0x10000) { |
561 | saa7134_input_irq(dev); | |
562 | } | |
563 | break; | |
564 | ||
565 | case SAA7134_REMOTE_I2C: | |
566 | break; /* FIXME: invoke I2C get_key() */ | |
567 | ||
568 | default: /* GPIO16 not used by IR remote */ | |
569 | break; | |
570 | } | |
571 | } | |
bd15eba3 | 572 | |
0602fbb2 PM |
573 | if (report & SAA7134_IRQ_REPORT_GPIO18) { |
574 | switch (dev->has_remote) { | |
575 | case SAA7134_REMOTE_GPIO: | |
7a766f9d SV |
576 | if (!dev->remote) |
577 | break; | |
0602fbb2 PM |
578 | if ((dev->remote->mask_keydown & 0x40000) || |
579 | (dev->remote->mask_keyup & 0x40000)) { | |
580 | saa7134_input_irq(dev); | |
581 | } | |
582 | break; | |
583 | ||
584 | case SAA7134_REMOTE_I2C: | |
585 | break; /* FIXME: invoke I2C get_key() */ | |
586 | ||
587 | default: /* GPIO18 not used by IR remote */ | |
588 | break; | |
589 | } | |
590 | } | |
1da177e4 LT |
591 | } |
592 | ||
593 | if (10 == loop) { | |
594 | print_irqstatus(dev,loop,report,status); | |
595 | if (report & SAA7134_IRQ_REPORT_PE) { | |
596 | /* disable all parity error */ | |
597 | printk(KERN_WARNING "%s/irq: looping -- " | |
598 | "clearing PE (parity error!) enable bit\n",dev->name); | |
599 | saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE); | |
0602fbb2 PM |
600 | } else if (report & SAA7134_IRQ_REPORT_GPIO16) { |
601 | /* disable gpio16 IRQ */ | |
1da177e4 | 602 | printk(KERN_WARNING "%s/irq: looping -- " |
0602fbb2 PM |
603 | "clearing GPIO16 enable bit\n",dev->name); |
604 | saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16); | |
605 | } else if (report & SAA7134_IRQ_REPORT_GPIO18) { | |
606 | /* disable gpio18 IRQs */ | |
607 | printk(KERN_WARNING "%s/irq: looping -- " | |
608 | "clearing GPIO18 enable bit\n",dev->name); | |
609 | saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18); | |
1da177e4 LT |
610 | } else { |
611 | /* disable all irqs */ | |
612 | printk(KERN_WARNING "%s/irq: looping -- " | |
613 | "clearing all enable bits\n",dev->name); | |
614 | saa_writel(SAA7134_IRQ1,0); | |
615 | saa_writel(SAA7134_IRQ2,0); | |
616 | } | |
617 | } | |
618 | ||
619 | out: | |
620 | return IRQ_RETVAL(handled); | |
621 | } | |
622 | ||
623 | /* ------------------------------------------------------------------ */ | |
624 | ||
625 | /* early init (no i2c, no irq) */ | |
cb71201f ML |
626 | |
627 | static int saa7134_hw_enable1(struct saa7134_dev *dev) | |
628 | { | |
629 | /* RAM FIFO config */ | |
630 | saa_writel(SAA7134_FIFO_SIZE, 0x08070503); | |
631 | saa_writel(SAA7134_THRESHOULD, 0x02020202); | |
632 | ||
633 | /* enable audio + video processing */ | |
634 | saa_writel(SAA7134_MAIN_CTRL, | |
635 | SAA7134_MAIN_CTRL_VPLLE | | |
636 | SAA7134_MAIN_CTRL_APLLE | | |
637 | SAA7134_MAIN_CTRL_EXOSC | | |
638 | SAA7134_MAIN_CTRL_EVFE1 | | |
639 | SAA7134_MAIN_CTRL_EVFE2 | | |
640 | SAA7134_MAIN_CTRL_ESFE | | |
641 | SAA7134_MAIN_CTRL_EBDAC); | |
642 | ||
643 | /* | |
644 | * Initialize OSS _after_ enabling audio clock PLL and audio processing. | |
645 | * OSS initialization writes to registers via the audio DSP; these | |
646 | * writes will fail unless the audio clock has been started. At worst, | |
647 | * audio will not work. | |
648 | */ | |
649 | ||
650 | /* enable peripheral devices */ | |
651 | saa_writeb(SAA7134_SPECIAL_MODE, 0x01); | |
652 | ||
653 | /* set vertical line numbering start (vbi needs this) */ | |
654 | saa_writeb(SAA7134_SOURCE_TIMING2, 0x20); | |
655 | ||
656 | return 0; | |
657 | } | |
658 | ||
1da177e4 LT |
659 | static int saa7134_hwinit1(struct saa7134_dev *dev) |
660 | { | |
661 | dprintk("hwinit1\n"); | |
662 | ||
663 | saa_writel(SAA7134_IRQ1, 0); | |
664 | saa_writel(SAA7134_IRQ2, 0); | |
3593cab5 | 665 | mutex_init(&dev->lock); |
1da177e4 LT |
666 | spin_lock_init(&dev->slock); |
667 | ||
668 | saa7134_track_gpio(dev,"pre-init"); | |
669 | saa7134_video_init1(dev); | |
670 | saa7134_vbi_init1(dev); | |
671 | if (card_has_mpeg(dev)) | |
672 | saa7134_ts_init1(dev); | |
673 | saa7134_input_init1(dev); | |
674 | ||
cb71201f | 675 | saa7134_hw_enable1(dev); |
1da177e4 LT |
676 | |
677 | return 0; | |
678 | } | |
679 | ||
680 | /* late init (with i2c + irq) */ | |
cb71201f | 681 | static int saa7134_hw_enable2(struct saa7134_dev *dev) |
1da177e4 | 682 | { |
1da177e4 | 683 | |
cb71201f | 684 | unsigned int irq2_mask; |
1da177e4 LT |
685 | |
686 | /* enable IRQ's */ | |
4ac97914 | 687 | irq2_mask = |
330a115a MCC |
688 | SAA7134_IRQ2_INTE_DEC3 | |
689 | SAA7134_IRQ2_INTE_DEC2 | | |
690 | SAA7134_IRQ2_INTE_DEC1 | | |
691 | SAA7134_IRQ2_INTE_DEC0 | | |
692 | SAA7134_IRQ2_INTE_PE | | |
693 | SAA7134_IRQ2_INTE_AR; | |
694 | ||
7a766f9d | 695 | if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) { |
0602fbb2 PM |
696 | if (dev->remote->mask_keydown & 0x10000) |
697 | irq2_mask |= SAA7134_IRQ2_INTE_GPIO16; | |
698 | else if (dev->remote->mask_keydown & 0x40000) | |
699 | irq2_mask |= SAA7134_IRQ2_INTE_GPIO18; | |
700 | else if (dev->remote->mask_keyup & 0x40000) | |
701 | irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A; | |
702 | } | |
330a115a | 703 | |
1da177e4 | 704 | saa_writel(SAA7134_IRQ1, 0); |
330a115a | 705 | saa_writel(SAA7134_IRQ2, irq2_mask); |
1da177e4 LT |
706 | |
707 | return 0; | |
708 | } | |
709 | ||
cb71201f ML |
710 | static int saa7134_hwinit2(struct saa7134_dev *dev) |
711 | { | |
712 | ||
713 | dprintk("hwinit2\n"); | |
714 | ||
715 | saa7134_video_init2(dev); | |
716 | saa7134_tvaudio_init2(dev); | |
717 | ||
718 | saa7134_hw_enable2(dev); | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
723 | ||
1da177e4 LT |
724 | /* shutdown */ |
725 | static int saa7134_hwfini(struct saa7134_dev *dev) | |
726 | { | |
727 | dprintk("hwfini\n"); | |
728 | ||
1da177e4 LT |
729 | if (card_has_mpeg(dev)) |
730 | saa7134_ts_fini(dev); | |
731 | saa7134_input_fini(dev); | |
732 | saa7134_vbi_fini(dev); | |
1da177e4 LT |
733 | saa7134_tvaudio_fini(dev); |
734 | return 0; | |
735 | } | |
736 | ||
737 | static void __devinit must_configure_manually(void) | |
738 | { | |
739 | unsigned int i,p; | |
740 | ||
741 | printk(KERN_WARNING | |
742 | "saa7134: <rant>\n" | |
743 | "saa7134: Congratulations! Your TV card vendor saved a few\n" | |
744 | "saa7134: cents for a eeprom, thus your pci board has no\n" | |
745 | "saa7134: subsystem ID and I can't identify it automatically\n" | |
746 | "saa7134: </rant>\n" | |
747 | "saa7134: I feel better now. Ok, here are the good news:\n" | |
748 | "saa7134: You can use the card=<nr> insmod option to specify\n" | |
749 | "saa7134: which board do you have. The list:\n"); | |
750 | for (i = 0; i < saa7134_bcount; i++) { | |
751 | printk(KERN_WARNING "saa7134: card=%d -> %-40.40s", | |
752 | i,saa7134_boards[i].name); | |
753 | for (p = 0; saa7134_pci_tbl[p].driver_data; p++) { | |
754 | if (saa7134_pci_tbl[p].driver_data != i) | |
755 | continue; | |
756 | printk(" %04x:%04x", | |
757 | saa7134_pci_tbl[p].subvendor, | |
758 | saa7134_pci_tbl[p].subdevice); | |
759 | } | |
760 | printk("\n"); | |
761 | } | |
762 | } | |
763 | ||
764 | static struct video_device *vdev_init(struct saa7134_dev *dev, | |
765 | struct video_device *template, | |
766 | char *type) | |
767 | { | |
768 | struct video_device *vfd; | |
769 | ||
770 | vfd = video_device_alloc(); | |
771 | if (NULL == vfd) | |
772 | return NULL; | |
773 | *vfd = *template; | |
774 | vfd->minor = -1; | |
5e85e732 | 775 | vfd->parent = &dev->pci->dev; |
1da177e4 | 776 | vfd->release = video_device_release; |
8c85454a | 777 | vfd->debug = video_debug; |
1da177e4 LT |
778 | snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", |
779 | dev->name, type, saa7134_boards[dev->board].name); | |
780 | return vfd; | |
781 | } | |
782 | ||
783 | static void saa7134_unregister_video(struct saa7134_dev *dev) | |
784 | { | |
785 | if (dev->video_dev) { | |
786 | if (-1 != dev->video_dev->minor) | |
787 | video_unregister_device(dev->video_dev); | |
788 | else | |
789 | video_device_release(dev->video_dev); | |
790 | dev->video_dev = NULL; | |
791 | } | |
792 | if (dev->vbi_dev) { | |
793 | if (-1 != dev->vbi_dev->minor) | |
794 | video_unregister_device(dev->vbi_dev); | |
795 | else | |
796 | video_device_release(dev->vbi_dev); | |
797 | dev->vbi_dev = NULL; | |
798 | } | |
799 | if (dev->radio_dev) { | |
800 | if (-1 != dev->radio_dev->minor) | |
801 | video_unregister_device(dev->radio_dev); | |
802 | else | |
803 | video_device_release(dev->radio_dev); | |
804 | dev->radio_dev = NULL; | |
805 | } | |
806 | } | |
807 | ||
808 | static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops, | |
809 | struct saa7134_dev *dev) | |
810 | { | |
811 | int err; | |
812 | ||
813 | if (NULL != dev->mops) | |
814 | return; | |
815 | if (saa7134_boards[dev->board].mpeg != ops->type) | |
816 | return; | |
817 | err = ops->init(dev); | |
818 | if (0 != err) | |
819 | return; | |
820 | dev->mops = ops; | |
821 | } | |
822 | ||
823 | static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops, | |
824 | struct saa7134_dev *dev) | |
825 | { | |
826 | if (NULL == dev->mops) | |
827 | return; | |
828 | if (dev->mops != ops) | |
829 | return; | |
830 | dev->mops->fini(dev); | |
831 | dev->mops = NULL; | |
832 | } | |
833 | ||
834 | static int __devinit saa7134_initdev(struct pci_dev *pci_dev, | |
835 | const struct pci_device_id *pci_id) | |
836 | { | |
837 | struct saa7134_dev *dev; | |
1da177e4 LT |
838 | struct saa7134_mpeg_ops *mops; |
839 | int err; | |
840 | ||
a4df8e1d AM |
841 | if (saa7134_devcount == SAA7134_MAXBOARDS) |
842 | return -ENOMEM; | |
843 | ||
7408187d | 844 | dev = kzalloc(sizeof(*dev),GFP_KERNEL); |
1da177e4 LT |
845 | if (NULL == dev) |
846 | return -ENOMEM; | |
1da177e4 LT |
847 | |
848 | /* pci init */ | |
849 | dev->pci = pci_dev; | |
850 | if (pci_enable_device(pci_dev)) { | |
851 | err = -EIO; | |
852 | goto fail1; | |
853 | } | |
854 | ||
855 | dev->nr = saa7134_devcount; | |
856 | sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr); | |
857 | ||
858 | /* pci quirks */ | |
859 | if (pci_pci_problems) { | |
860 | if (pci_pci_problems & PCIPCI_TRITON) | |
861 | printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name); | |
862 | if (pci_pci_problems & PCIPCI_NATOMA) | |
863 | printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name); | |
864 | if (pci_pci_problems & PCIPCI_VIAETBF) | |
865 | printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name); | |
866 | if (pci_pci_problems & PCIPCI_VSFX) | |
867 | printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name); | |
868 | #ifdef PCIPCI_ALIMAGIK | |
869 | if (pci_pci_problems & PCIPCI_ALIMAGIK) { | |
870 | printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n", | |
871 | dev->name); | |
872 | latency = 0x0A; | |
873 | } | |
874 | #endif | |
3d265c96 | 875 | if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) { |
9050d942 MCC |
876 | printk(KERN_INFO "%s: quirk: this driver and your " |
877 | "chipset may not work together" | |
878 | " in overlay mode.\n",dev->name); | |
ecb73774 | 879 | if (!saa7134_no_overlay) { |
9050d942 MCC |
880 | printk(KERN_INFO "%s: quirk: overlay " |
881 | "mode will be disabled.\n", | |
882 | dev->name); | |
ecb73774 | 883 | saa7134_no_overlay = 1; |
9050d942 MCC |
884 | } else { |
885 | printk(KERN_INFO "%s: quirk: overlay " | |
886 | "mode will be forced. Use this" | |
887 | " option at your own risk.\n", | |
888 | dev->name); | |
889 | } | |
890 | } | |
1da177e4 LT |
891 | } |
892 | if (UNSET != latency) { | |
893 | printk(KERN_INFO "%s: setting pci latency timer to %d\n", | |
894 | dev->name,latency); | |
895 | pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency); | |
896 | } | |
897 | ||
898 | /* print pci info */ | |
899 | pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev); | |
4ac97914 MCC |
900 | pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat); |
901 | printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, " | |
228aef63 | 902 | "latency: %d, mmio: 0x%llx\n", dev->name, |
1da177e4 | 903 | pci_name(pci_dev), dev->pci_rev, pci_dev->irq, |
228aef63 | 904 | dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0)); |
1da177e4 | 905 | pci_set_master(pci_dev); |
56b146d3 | 906 | if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) { |
1da177e4 LT |
907 | printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name); |
908 | err = -EIO; | |
909 | goto fail1; | |
910 | } | |
911 | ||
912 | /* board config */ | |
913 | dev->board = pci_id->driver_data; | |
914 | if (card[dev->nr] >= 0 && | |
915 | card[dev->nr] < saa7134_bcount) | |
916 | dev->board = card[dev->nr]; | |
917 | if (SAA7134_BOARD_NOAUTO == dev->board) { | |
918 | must_configure_manually(); | |
919 | dev->board = SAA7134_BOARD_UNKNOWN; | |
920 | } | |
a75ec3f0 | 921 | dev->autodetected = card[dev->nr] != dev->board; |
d53687d1 SA |
922 | dev->tuner_type = saa7134_boards[dev->board].tuner_type; |
923 | dev->tuner_addr = saa7134_boards[dev->board].tuner_addr; | |
1da177e4 LT |
924 | dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf; |
925 | if (UNSET != tuner[dev->nr]) | |
926 | dev->tuner_type = tuner[dev->nr]; | |
d53687d1 | 927 | printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n", |
a75ec3f0 HH |
928 | dev->name,pci_dev->subsystem_vendor, |
929 | pci_dev->subsystem_device,saa7134_boards[dev->board].name, | |
930 | dev->board, dev->autodetected ? | |
931 | "autodetected" : "insmod option"); | |
1da177e4 LT |
932 | |
933 | /* get mmio */ | |
934 | if (!request_mem_region(pci_resource_start(pci_dev,0), | |
935 | pci_resource_len(pci_dev,0), | |
936 | dev->name)) { | |
937 | err = -EBUSY; | |
228aef63 GKH |
938 | printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n", |
939 | dev->name,(unsigned long long)pci_resource_start(pci_dev,0)); | |
1da177e4 LT |
940 | goto fail1; |
941 | } | |
942 | dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000); | |
943 | dev->bmmio = (__u8 __iomem *)dev->lmmio; | |
944 | if (NULL == dev->lmmio) { | |
945 | err = -EIO; | |
946 | printk(KERN_ERR "%s: can't ioremap() MMIO memory\n", | |
947 | dev->name); | |
948 | goto fail2; | |
949 | } | |
950 | ||
951 | /* initialize hardware #1 */ | |
1da177e4 LT |
952 | saa7134_board_init1(dev); |
953 | saa7134_hwinit1(dev); | |
954 | ||
955 | /* get irq */ | |
956 | err = request_irq(pci_dev->irq, saa7134_irq, | |
8076fe32 | 957 | IRQF_SHARED | IRQF_DISABLED, dev->name, dev); |
1da177e4 LT |
958 | if (err < 0) { |
959 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
960 | dev->name,pci_dev->irq); | |
961 | goto fail3; | |
962 | } | |
963 | ||
964 | /* wait a bit, register i2c bus */ | |
965 | msleep(100); | |
966 | saa7134_i2c_register(dev); | |
967 | ||
968 | /* initialize hardware #2 */ | |
c030f5e6 MCC |
969 | if (TUNER_ABSENT != dev->tuner_type) |
970 | request_module("tuner"); | |
1da177e4 | 971 | saa7134_board_init2(dev); |
c030f5e6 | 972 | |
1da177e4 LT |
973 | saa7134_hwinit2(dev); |
974 | ||
975 | /* load i2c helpers */ | |
4ac97914 | 976 | if (card_is_empress(dev)) { |
1da177e4 | 977 | request_module("saa6752hs"); |
1da177e4 | 978 | } |
330a115a | 979 | |
4217e252 | 980 | request_submodules(dev); |
b54134be | 981 | |
1da177e4 LT |
982 | v4l2_prio_init(&dev->prio); |
983 | ||
984 | /* register v4l devices */ | |
0ea6bc8d HV |
985 | if (saa7134_no_overlay > 0) |
986 | printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name); | |
987 | ||
1da177e4 LT |
988 | dev->video_dev = vdev_init(dev,&saa7134_video_template,"video"); |
989 | err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER, | |
990 | video_nr[dev->nr]); | |
991 | if (err < 0) { | |
992 | printk(KERN_INFO "%s: can't register video device\n", | |
993 | dev->name); | |
994 | goto fail4; | |
995 | } | |
996 | printk(KERN_INFO "%s: registered device video%d [v4l2]\n", | |
997 | dev->name,dev->video_dev->minor & 0x1f); | |
998 | ||
a9622391 | 999 | dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi"); |
a9622391 | 1000 | |
1da177e4 LT |
1001 | err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI, |
1002 | vbi_nr[dev->nr]); | |
1003 | if (err < 0) | |
1004 | goto fail4; | |
1005 | printk(KERN_INFO "%s: registered device vbi%d\n", | |
1006 | dev->name,dev->vbi_dev->minor & 0x1f); | |
1007 | ||
1008 | if (card_has_radio(dev)) { | |
1009 | dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio"); | |
1010 | err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO, | |
1011 | radio_nr[dev->nr]); | |
1012 | if (err < 0) | |
1013 | goto fail4; | |
1014 | printk(KERN_INFO "%s: registered device radio%d\n", | |
1015 | dev->name,dev->radio_dev->minor & 0x1f); | |
1016 | } | |
1017 | ||
1da177e4 LT |
1018 | /* everything worked */ |
1019 | pci_set_drvdata(pci_dev,dev); | |
1020 | saa7134_devcount++; | |
1021 | ||
1e4baed3 | 1022 | mutex_lock(&devlist_lock); |
6d28e989 | 1023 | list_for_each_entry(mops, &mops_list, next) |
1da177e4 | 1024 | mpeg_ops_attach(mops, dev); |
1da177e4 | 1025 | list_add_tail(&dev->devlist,&saa7134_devlist); |
1e4baed3 | 1026 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1027 | |
1028 | /* check for signal */ | |
11f7078c | 1029 | saa7134_irq_video_signalchange(dev); |
c817e763 | 1030 | |
78457018 AB |
1031 | if (saa7134_dmasound_init && !dev->dmasound.priv_data) { |
1032 | saa7134_dmasound_init(dev); | |
f5b974cb RC |
1033 | } |
1034 | ||
80d35237 HH |
1035 | if (TUNER_ABSENT != dev->tuner_type) |
1036 | saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL); | |
1037 | ||
1da177e4 LT |
1038 | return 0; |
1039 | ||
1da177e4 LT |
1040 | fail4: |
1041 | saa7134_unregister_video(dev); | |
1042 | saa7134_i2c_unregister(dev); | |
1043 | free_irq(pci_dev->irq, dev); | |
1044 | fail3: | |
1045 | saa7134_hwfini(dev); | |
1046 | iounmap(dev->lmmio); | |
1047 | fail2: | |
1048 | release_mem_region(pci_resource_start(pci_dev,0), | |
1049 | pci_resource_len(pci_dev,0)); | |
1050 | fail1: | |
1051 | kfree(dev); | |
1052 | return err; | |
1053 | } | |
1054 | ||
1055 | static void __devexit saa7134_finidev(struct pci_dev *pci_dev) | |
1056 | { | |
4ac97914 | 1057 | struct saa7134_dev *dev = pci_get_drvdata(pci_dev); |
1da177e4 LT |
1058 | struct saa7134_mpeg_ops *mops; |
1059 | ||
f5b974cb | 1060 | /* Release DMA sound modules if present */ |
78457018 AB |
1061 | if (saa7134_dmasound_exit && dev->dmasound.priv_data) { |
1062 | saa7134_dmasound_exit(dev); | |
f5b974cb RC |
1063 | } |
1064 | ||
1da177e4 LT |
1065 | /* debugging ... */ |
1066 | if (irq_debug) { | |
1067 | u32 report = saa_readl(SAA7134_IRQ_REPORT); | |
1068 | u32 status = saa_readl(SAA7134_IRQ_STATUS); | |
1069 | print_irqstatus(dev,42,report,status); | |
1070 | } | |
1071 | ||
1072 | /* disable peripheral devices */ | |
1073 | saa_writeb(SAA7134_SPECIAL_MODE,0); | |
1074 | ||
1075 | /* shutdown hardware */ | |
1076 | saa_writel(SAA7134_IRQ1,0); | |
1077 | saa_writel(SAA7134_IRQ2,0); | |
1078 | saa_writel(SAA7134_MAIN_CTRL,0); | |
1079 | ||
1080 | /* shutdown subsystems */ | |
1081 | saa7134_hwfini(dev); | |
1082 | ||
1083 | /* unregister */ | |
1e4baed3 | 1084 | mutex_lock(&devlist_lock); |
1da177e4 | 1085 | list_del(&dev->devlist); |
6d28e989 | 1086 | list_for_each_entry(mops, &mops_list, next) |
1da177e4 | 1087 | mpeg_ops_detach(mops, dev); |
1e4baed3 | 1088 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1089 | saa7134_devcount--; |
1090 | ||
1091 | saa7134_i2c_unregister(dev); | |
1da177e4 LT |
1092 | saa7134_unregister_video(dev); |
1093 | ||
f5b974cb | 1094 | |
4aabf633 RC |
1095 | /* the DMA sound modules should be unloaded before reaching |
1096 | this, but just in case they are still present... */ | |
1097 | if (dev->dmasound.priv_data != NULL) { | |
1098 | free_irq(pci_dev->irq, &dev->dmasound); | |
1099 | dev->dmasound.priv_data = NULL; | |
1100 | } | |
1101 | ||
f5b974cb | 1102 | |
4aabf633 | 1103 | /* release resources */ |
1da177e4 LT |
1104 | free_irq(pci_dev->irq, dev); |
1105 | iounmap(dev->lmmio); | |
1106 | release_mem_region(pci_resource_start(pci_dev,0), | |
1107 | pci_resource_len(pci_dev,0)); | |
1108 | ||
1da177e4 LT |
1109 | pci_set_drvdata(pci_dev, NULL); |
1110 | ||
1111 | /* free memory */ | |
1112 | kfree(dev); | |
1113 | } | |
1114 | ||
c458473e | 1115 | #ifdef CONFIG_PM |
05d26cc8 AB |
1116 | |
1117 | /* resends a current buffer in queue after resume */ | |
1118 | static int saa7134_buffer_requeue(struct saa7134_dev *dev, | |
1119 | struct saa7134_dmaqueue *q) | |
1120 | { | |
1121 | struct saa7134_buf *buf, *next; | |
1122 | ||
1123 | assert_spin_locked(&dev->slock); | |
1124 | ||
1125 | buf = q->curr; | |
1126 | next = buf; | |
1127 | dprintk("buffer_requeue\n"); | |
1128 | ||
1129 | if (!buf) | |
1130 | return 0; | |
1131 | ||
1132 | dprintk("buffer_requeue : resending active buffers \n"); | |
1133 | ||
1134 | if (!list_empty(&q->queue)) | |
1135 | next = list_entry(q->queue.next, struct saa7134_buf, | |
1136 | vb.queue); | |
1137 | buf->activate(dev, buf, next); | |
1138 | ||
1139 | return 0; | |
1140 | } | |
1141 | ||
cb71201f ML |
1142 | static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state) |
1143 | { | |
1144 | ||
cb71201f ML |
1145 | struct saa7134_dev *dev = pci_get_drvdata(pci_dev); |
1146 | ||
acd827d6 ML |
1147 | /* disable overlay - apps should enable it explicitly on resume*/ |
1148 | dev->ovenable = 0; | |
1149 | ||
1150 | /* Disable interrupts, DMA, and rest of the chip*/ | |
cb71201f ML |
1151 | saa_writel(SAA7134_IRQ1, 0); |
1152 | saa_writel(SAA7134_IRQ2, 0); | |
acd827d6 | 1153 | saa_writel(SAA7134_MAIN_CTRL, 0); |
cb71201f | 1154 | |
c458473e | 1155 | dev->insuspend = 1; |
3203cb86 ML |
1156 | synchronize_irq(pci_dev->irq); |
1157 | ||
1158 | /* ACK interrupts once more, just in case, | |
1159 | since the IRQ handler won't ack them anymore*/ | |
1160 | ||
1161 | saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); | |
c458473e ML |
1162 | |
1163 | /* Disable timeout timers - if we have active buffers, we will | |
1164 | fill them on resume*/ | |
1165 | ||
1166 | del_timer(&dev->video_q.timeout); | |
1167 | del_timer(&dev->vbi_q.timeout); | |
1168 | del_timer(&dev->ts_q.timeout); | |
f40aa808 MS |
1169 | |
1170 | if (dev->remote) | |
1171 | saa7134_ir_stop(dev); | |
c458473e | 1172 | |
cb71201f | 1173 | pci_save_state(pci_dev); |
0d65cd4f | 1174 | pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state)); |
cb71201f | 1175 | |
0d65cd4f | 1176 | return 0; |
cb71201f ML |
1177 | } |
1178 | ||
1179 | static int saa7134_resume(struct pci_dev *pci_dev) | |
1180 | { | |
cb71201f | 1181 | struct saa7134_dev *dev = pci_get_drvdata(pci_dev); |
a3c53e23 | 1182 | unsigned long flags; |
cb71201f | 1183 | |
cb71201f | 1184 | pci_set_power_state(pci_dev, PCI_D0); |
0d65cd4f | 1185 | pci_restore_state(pci_dev); |
cb71201f ML |
1186 | |
1187 | /* Do things that are done in saa7134_initdev , | |
1188 | except of initializing memory structures.*/ | |
1189 | ||
1190 | saa7134_board_init1(dev); | |
1191 | ||
c458473e | 1192 | /* saa7134_hwinit1 */ |
cb71201f ML |
1193 | if (saa7134_boards[dev->board].video_out) |
1194 | saa7134_videoport_init(dev); | |
cb71201f ML |
1195 | if (card_has_mpeg(dev)) |
1196 | saa7134_ts_init_hw(dev); | |
c458473e ML |
1197 | if (dev->remote) |
1198 | saa7134_ir_start(dev, dev->remote); | |
cb71201f | 1199 | saa7134_hw_enable1(dev); |
c458473e | 1200 | |
5c01203f | 1201 | msleep(100); |
c458473e | 1202 | |
cb71201f | 1203 | saa7134_board_init2(dev); |
cb71201f | 1204 | |
c458473e ML |
1205 | /*saa7134_hwinit2*/ |
1206 | saa7134_set_tvnorm_hw(dev); | |
cb71201f | 1207 | saa7134_tvaudio_setmute(dev); |
cb71201f | 1208 | saa7134_tvaudio_setvolume(dev, dev->ctl_volume); |
f36224d3 | 1209 | saa7134_tvaudio_init(dev); |
c458473e | 1210 | saa7134_tvaudio_do_scan(dev); |
cb71201f | 1211 | saa7134_enable_i2s(dev); |
c458473e | 1212 | saa7134_hw_enable2(dev); |
cb71201f | 1213 | |
5c01203f ML |
1214 | saa7134_irq_video_signalchange(dev); |
1215 | ||
acd827d6 ML |
1216 | /*resume unfinished buffer(s)*/ |
1217 | spin_lock_irqsave(&dev->slock, flags); | |
cb71201f ML |
1218 | saa7134_buffer_requeue(dev, &dev->video_q); |
1219 | saa7134_buffer_requeue(dev, &dev->vbi_q); | |
1220 | saa7134_buffer_requeue(dev, &dev->ts_q); | |
1221 | ||
c458473e ML |
1222 | /* FIXME: Disable DMA audio sound - temporary till proper support |
1223 | is implemented*/ | |
1224 | ||
1225 | dev->dmasound.dma_running = 0; | |
1226 | ||
acd827d6 | 1227 | /* start DMA now*/ |
c458473e | 1228 | dev->insuspend = 0; |
3203cb86 | 1229 | smp_wmb(); |
acd827d6 ML |
1230 | saa7134_set_dmabits(dev); |
1231 | spin_unlock_irqrestore(&dev->slock, flags); | |
1232 | ||
cb71201f ML |
1233 | return 0; |
1234 | } | |
c458473e | 1235 | #endif |
cb71201f | 1236 | |
1da177e4 LT |
1237 | /* ----------------------------------------------------------- */ |
1238 | ||
1239 | int saa7134_ts_register(struct saa7134_mpeg_ops *ops) | |
1240 | { | |
1da177e4 LT |
1241 | struct saa7134_dev *dev; |
1242 | ||
1e4baed3 | 1243 | mutex_lock(&devlist_lock); |
6d28e989 | 1244 | list_for_each_entry(dev, &saa7134_devlist, devlist) |
1da177e4 | 1245 | mpeg_ops_attach(ops, dev); |
1da177e4 | 1246 | list_add_tail(&ops->next,&mops_list); |
1e4baed3 | 1247 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1248 | return 0; |
1249 | } | |
1250 | ||
1251 | void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) | |
1252 | { | |
1da177e4 LT |
1253 | struct saa7134_dev *dev; |
1254 | ||
1e4baed3 | 1255 | mutex_lock(&devlist_lock); |
1da177e4 | 1256 | list_del(&ops->next); |
6d28e989 | 1257 | list_for_each_entry(dev, &saa7134_devlist, devlist) |
1da177e4 | 1258 | mpeg_ops_detach(ops, dev); |
1e4baed3 | 1259 | mutex_unlock(&devlist_lock); |
1da177e4 LT |
1260 | } |
1261 | ||
1262 | EXPORT_SYMBOL(saa7134_ts_register); | |
1263 | EXPORT_SYMBOL(saa7134_ts_unregister); | |
1264 | ||
1265 | /* ----------------------------------------------------------- */ | |
1266 | ||
1267 | static struct pci_driver saa7134_pci_driver = { | |
4ac97914 MCC |
1268 | .name = "saa7134", |
1269 | .id_table = saa7134_pci_tbl, | |
1270 | .probe = saa7134_initdev, | |
1271 | .remove = __devexit_p(saa7134_finidev), | |
c458473e | 1272 | #ifdef CONFIG_PM |
cb71201f ML |
1273 | .suspend = saa7134_suspend, |
1274 | .resume = saa7134_resume | |
c458473e | 1275 | #endif |
1da177e4 LT |
1276 | }; |
1277 | ||
1278 | static int saa7134_init(void) | |
1279 | { | |
1280 | INIT_LIST_HEAD(&saa7134_devlist); | |
1281 | printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n", | |
1282 | (SAA7134_VERSION_CODE >> 16) & 0xff, | |
1283 | (SAA7134_VERSION_CODE >> 8) & 0xff, | |
1284 | SAA7134_VERSION_CODE & 0xff); | |
1285 | #ifdef SNAPSHOT | |
1286 | printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n", | |
1287 | SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); | |
1288 | #endif | |
2304759d | 1289 | return pci_register_driver(&saa7134_pci_driver); |
1da177e4 LT |
1290 | } |
1291 | ||
1292 | static void saa7134_fini(void) | |
1293 | { | |
1da177e4 LT |
1294 | pci_unregister_driver(&saa7134_pci_driver); |
1295 | } | |
1296 | ||
1297 | module_init(saa7134_init); | |
1298 | module_exit(saa7134_fini); | |
1299 | ||
1300 | /* ----------------------------------------------------------- */ | |
1301 | ||
58ef4f92 | 1302 | EXPORT_SYMBOL(saa7134_set_gpio); |
1da177e4 LT |
1303 | EXPORT_SYMBOL(saa7134_i2c_call_clients); |
1304 | EXPORT_SYMBOL(saa7134_devlist); | |
1305 | EXPORT_SYMBOL(saa7134_boards); | |
1306 | ||
4aabf633 | 1307 | /* ----------------- for the DMA sound modules --------------- */ |
79dd0c69 | 1308 | |
78457018 AB |
1309 | EXPORT_SYMBOL(saa7134_dmasound_init); |
1310 | EXPORT_SYMBOL(saa7134_dmasound_exit); | |
79dd0c69 RC |
1311 | EXPORT_SYMBOL(saa7134_pgtable_free); |
1312 | EXPORT_SYMBOL(saa7134_pgtable_build); | |
1313 | EXPORT_SYMBOL(saa7134_pgtable_alloc); | |
1314 | EXPORT_SYMBOL(saa7134_set_dmabits); | |
1315 | ||
1da177e4 LT |
1316 | /* ----------------------------------------------------------- */ |
1317 | /* | |
1318 | * Local variables: | |
1319 | * c-basic-offset: 8 | |
1320 | * End: | |
1321 | */ |