projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[media] saa7134: prepare to use pr_foo macros
[deliverable/linux.git] / drivers / media / pci / saa7134 / saa7134-core.c
CommitLineData
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
9a12ccfc
MCC		 23#include "saa7134.h"
24#include "saa7134-reg.h"
25
1da177e4
LT		 26#include <linux/init.h>
27#include <linux/list.h>
28#include <linux/module.h>
1da177e4
LT		 29#include <linux/kernel.h>
30#include <linux/slab.h>
31#include <linux/kmod.h>
32#include <linux/sound.h>
33#include <linux/interrupt.h>
34#include <linux/delay.h>
1e4baed3 35#include <linux/mutex.h>
56b146d3 36#include <linux/dma-mapping.h>
cb71201f 37#include <linux/pm.h>
1da177e4 38
1da177e4
LT		 39MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
40MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
41MODULE_LICENSE("GPL");
1990d50b
MCC		 42MODULE_VERSION(SAA7134_VERSION);
43
1da177e4
LT		 44
45/* ------------------------------------------------------------------ */
46
ff699e6b 47static unsigned int irq_debug;
1da177e4
LT		 48module_param(irq_debug, int, 0644);
49MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
50
ff699e6b 51static unsigned int core_debug;
1da177e4
LT		 52module_param(core_debug, int, 0644);
53MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
54
ff699e6b 55static unsigned int gpio_tracking;
1da177e4
LT		 56module_param(gpio_tracking, int, 0644);
57MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
58
23ce51d9 59static unsigned int alsa = 1;
4aabf633 60module_param(alsa, int, 0644);
23ce51d9 61MODULE_PARM_DESC(alsa,"enable/disable ALSA DMA sound [dmasound]");
4aabf633 62
1da177e4
LT		 63static unsigned int latency = UNSET;
64module_param(latency, int, 0444);
65MODULE_PARM_DESC(latency,"pci latency timer");
66
ecb73774
MCC		 67int saa7134_no_overlay=-1;
68module_param_named(no_overlay, saa7134_no_overlay, int, 0444);
9050d942
MCC		 69MODULE_PARM_DESC(no_overlay,"allow override overlay default (0 disables, 1 enables)"
70 " [some VIA/SIS chipsets are known to have problem with overlay]");
71
a3f415ab
HV		 72bool saa7134_userptr;
73module_param(saa7134_userptr, bool, 0644);
74MODULE_PARM_DESC(saa7134_userptr, "enable page-aligned userptr support");
75
1da177e4
LT		 76static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
77static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
78static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
1da177e4
LT		 79static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
80static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
81
674434c6 82
1da177e4
LT		 83module_param_array(video_nr, int, NULL, 0444);
84module_param_array(vbi_nr, int, NULL, 0444);
85module_param_array(radio_nr, int, NULL, 0444);
1da177e4
LT		 86module_param_array(tuner, int, NULL, 0444);
87module_param_array(card, int, NULL, 0444);
88
89MODULE_PARM_DESC(video_nr, "video device number");
90MODULE_PARM_DESC(vbi_nr, "vbi device number");
91MODULE_PARM_DESC(radio_nr, "radio device number");
1da177e4
LT		 92MODULE_PARM_DESC(tuner, "tuner type");
93MODULE_PARM_DESC(card, "card type");
94
befd6e64
MCC		 95DEFINE_MUTEX(saa7134_devlist_lock);
96EXPORT_SYMBOL(saa7134_devlist_lock);
1da177e4 97LIST_HEAD(saa7134_devlist);
befd6e64 98EXPORT_SYMBOL(saa7134_devlist);
1da177e4
LT		 99static LIST_HEAD(mops_list);
100static unsigned int saa7134_devcount;
101
78457018
AB		 102int (*saa7134_dmasound_init)(struct saa7134_dev *dev);
103int (*saa7134_dmasound_exit)(struct saa7134_dev *dev);
f5b974cb 104
1da177e4
LT		 105#define dprintk(fmt, arg...) if (core_debug) \
106 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
107
1da177e4
LT		 108void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
109{
110 unsigned long mode,status;
111
112 if (!gpio_tracking)
113 return;
114 /* rising SAA7134_GPIO_GPRESCAN reads the status */
115 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
116 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
117 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
118 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
119 printk(KERN_DEBUG
120 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
121 dev->name, mode, (~mode) & status, mode & status, msg);
122}
123
b8195946
HH		 124void saa7134_set_gpio(struct saa7134_dev *dev, int bit_no, int value)
125{
126 u32 index, bitval;
b8195946
HH		 127
128 index = 1 << bit_no;
129 switch (value) {
130 case 0: /* static value */
131 case 1: dprintk("setting GPIO%d to static %d\n", bit_no, value);
132 /* turn sync mode off if necessary */
133 if (index & 0x00c00000)
134 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x00);
135 if (value)
136 bitval = index;
137 else
138 bitval = 0;
139 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, index);
140 saa_andorl(SAA7134_GPIO_GPSTATUS0 >> 2, index, bitval);
141 break;
142 case 3: /* tristate */
143 dprintk("setting GPIO%d to tristate\n", bit_no);
144 saa_andorl(SAA7134_GPIO_GPMODE0 >> 2, index, 0);
145 break;
cfeb8839
HH		 146 }
147}
148
1da177e4
LT		 149/* ------------------------------------------------------------------ */
150
1da177e4
LT		 151
152/* ----------------------------------------------------------- */
153/* delayed request_module */
154
fd1eab73 155#if defined(CONFIG_MODULES) && defined(MODULE)
1da177e4 156
4217e252
MR		 157static void request_module_async(struct work_struct *work){
158 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
159 if (card_is_empress(dev))
4ac97914 160 request_module("saa7134-empress");
4217e252 161 if (card_is_dvb(dev))
4ac97914 162 request_module("saa7134-dvb");
452015de
HV		 163 if (card_is_go7007(dev))
164 request_module("saa7134-go7007");
23ce51d9
MCC		 165 if (alsa) {
166 if (dev->pci->device != PCI_DEVICE_ID_PHILIPS_SAA7130)
167 request_module("saa7134-alsa");
168 }
1da177e4
LT		 169}
170
4217e252 171static void request_submodules(struct saa7134_dev *dev)
1da177e4 172{
4217e252
MR		 173 INIT_WORK(&dev->request_module_wk, request_module_async);
174 schedule_work(&dev->request_module_wk);
1da177e4
LT		 175}
176
707bcf32
TH		 177static void flush_request_submodules(struct saa7134_dev *dev)
178{
43829731 179 flush_work(&dev->request_module_wk);
707bcf32
TH		 180}
181
1da177e4 182#else
15f189e9 183#define request_submodules(dev)
707bcf32 184#define flush_request_submodules(dev)
1da177e4
LT		 185#endif /* CONFIG_MODULES */
186
187/* ------------------------------------------------------------------ */
188
189/* nr of (saa7134-)pages for the given buffer size */
190static int saa7134_buffer_pages(int size)
191{
192 size = PAGE_ALIGN(size);
193 size += PAGE_SIZE; /* for non-page-aligned buffers */
194 size /= 4096;
195 return size;
196}
197
198/* calc max # of buffers from size (must not exceed the 4MB virtual
199 * address space per DMA channel) */
200int saa7134_buffer_count(unsigned int size, unsigned int count)
201{
202 unsigned int maxcount;
203
204 maxcount = 1024 / saa7134_buffer_pages(size);
205 if (count > maxcount)
206 count = maxcount;
207 return count;
208}
209
210int saa7134_buffer_startpage(struct saa7134_buf *buf)
211{
2ada815f 212 return saa7134_buffer_pages(vb2_plane_size(&buf->vb2, 0)) * buf->vb2.v4l2_buf.index;
1da177e4
LT		 213}
214
215unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
216{
217 unsigned long base;
2ada815f 218 struct sg_table *dma = vb2_dma_sg_plane_desc(&buf->vb2, 0);
1da177e4
LT		 219
220 base = saa7134_buffer_startpage(buf) * 4096;
2ada815f 221 base += dma->sgl[0].offset;
1da177e4
LT		 222 return base;
223}
224
225/* ------------------------------------------------------------------ */
226
227int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
228{
4ac97914 229 __le32 *cpu;
614b147b 230 dma_addr_t dma_addr = 0;
1da177e4
LT		 231
232 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
233 if (NULL == cpu)
234 return -ENOMEM;
235 pt->size = SAA7134_PGTABLE_SIZE;
236 pt->cpu = cpu;
237 pt->dma = dma_addr;
238 return 0;
239}
240
241int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
242 struct scatterlist *list, unsigned int length,
243 unsigned int startpage)
244{
c9c12b79 245 __le32 *ptr;
e72936d2 246 unsigned int i, p;
1da177e4
LT		 247
248 BUG_ON(NULL == pt || NULL == pt->cpu);
249
250 ptr = pt->cpu + startpage;
2ada815f 251 for (i = 0; i < length; i++, list = sg_next(list)) {
1da177e4 252 for (p = 0; p * 4096 < list->length; p++, ptr++)
2ada815f
HV		 253 *ptr = cpu_to_le32(sg_dma_address(list) +
254 list->offset + p * 4096);
255 }
1da177e4
LT		 256 return 0;
257}
258
259void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
260{
261 if (NULL == pt->cpu)
262 return;
263 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
264 pt->cpu = NULL;
265}
266
267/* ------------------------------------------------------------------ */
268
1da177e4
LT		 269int saa7134_buffer_queue(struct saa7134_dev *dev,
270 struct saa7134_dmaqueue *q,
271 struct saa7134_buf *buf)
272{
273 struct saa7134_buf *next = NULL;
2ada815f 274 unsigned long flags;
1da177e4 275
2ada815f 276 spin_lock_irqsave(&dev->slock, flags);
e72936d2 277 dprintk("buffer_queue %p\n", buf);
1da177e4
LT		 278 if (NULL == q->curr) {
279 if (!q->need_two) {
280 q->curr = buf;
e72936d2 281 buf->activate(dev, buf, NULL);
1da177e4 282 } else if (list_empty(&q->queue)) {
2ada815f 283 list_add_tail(&buf->entry, &q->queue);
1da177e4 284 } else {
e72936d2 285 next = list_entry(q->queue.next, struct saa7134_buf,
2ada815f 286 entry);
1da177e4 287 q->curr = buf;
e72936d2 288 buf->activate(dev, buf, next);
1da177e4
LT		 289 }
290 } else {
2ada815f 291 list_add_tail(&buf->entry, &q->queue);
1da177e4 292 }
2ada815f 293 spin_unlock_irqrestore(&dev->slock, flags);
1da177e4
LT		 294 return 0;
295}
296
297void saa7134_buffer_finish(struct saa7134_dev *dev,
298 struct saa7134_dmaqueue *q,
299 unsigned int state)
300{
e72936d2 301 dprintk("buffer_finish %p\n", q->curr);
1da177e4
LT		 302
303 /* finish current buffer */
2ada815f
HV		 304 v4l2_get_timestamp(&q->curr->vb2.v4l2_buf.timestamp);
305 q->curr->vb2.v4l2_buf.sequence = q->seq_nr++;
306 vb2_buffer_done(&q->curr->vb2, state);
1da177e4
LT		 307 q->curr = NULL;
308}
309
310void 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 */
2ada815f 320 buf = list_entry(q->queue.next, struct saa7134_buf, entry);
1da177e4 321 dprintk("buffer_next %p [prev=%p/next=%p]\n",
e72936d2 322 buf, q->queue.prev, q->queue.next);
2ada815f 323 list_del(&buf->entry);
1da177e4 324 if (!list_empty(&q->queue))
2ada815f 325 next = list_entry(q->queue.next, struct saa7134_buf, entry);
1da177e4 326 q->curr = buf;
e72936d2 327 buf->activate(dev, buf, next);
1da177e4 328 dprintk("buffer_next #2 prev=%p/next=%p\n",
e72936d2 329 q->queue.prev, q->queue.next);
1da177e4
LT		 330 } else {
331 /* nothing to do -- just stop DMA */
e72936d2 332 dprintk("buffer_next %p\n", NULL);
1da177e4
LT		 333 saa7134_set_dmabits(dev);
334 del_timer(&q->timeout);
335 }
336}
337
338void saa7134_buffer_timeout(unsigned long data)
339{
e72936d2 340 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue *)data;
1da177e4
LT		 341 struct saa7134_dev *dev = q->dev;
342 unsigned long flags;
343
e72936d2 344 spin_lock_irqsave(&dev->slock, flags);
1da177e4
LT		 345
346 /* try to reset the hardware (SWRST) */
347 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
348 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
349 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
350
351 /* flag current buffer as failed,
352 try to start over with the next one. */
353 if (q->curr) {
e72936d2 354 dprintk("timeout on %p\n", q->curr);
2ada815f 355 saa7134_buffer_finish(dev, q, VB2_BUF_STATE_ERROR);
1da177e4 356 }
e72936d2
HV		 357 saa7134_buffer_next(dev, q);
358 spin_unlock_irqrestore(&dev->slock, flags);
1da177e4
LT		 359}
360
2ada815f
HV		 361void saa7134_stop_streaming(struct saa7134_dev *dev, struct saa7134_dmaqueue *q)
362{
363 unsigned long flags;
364 struct list_head *pos, *n;
365 struct saa7134_buf *tmp;
366
367 spin_lock_irqsave(&dev->slock, flags);
368 if (!list_empty(&q->queue)) {
369 list_for_each_safe(pos, n, &q->queue) {
370 tmp = list_entry(pos, struct saa7134_buf, entry);
371 vb2_buffer_done(&tmp->vb2, VB2_BUF_STATE_ERROR);
372 list_del(pos);
373 tmp = NULL;
374 }
375 }
376 spin_unlock_irqrestore(&dev->slock, flags);
377 saa7134_buffer_timeout((unsigned long)q); /* also calls del_timer(&q->timeout) */
378}
379EXPORT_SYMBOL_GPL(saa7134_stop_streaming);
380
1da177e4
LT		 381/* ------------------------------------------------------------------ */
382
383int saa7134_set_dmabits(struct saa7134_dev *dev)
384{
385 u32 split, task=0, ctrl=0, irq=0;
386 enum v4l2_field cap = V4L2_FIELD_ANY;
387 enum v4l2_field ov = V4L2_FIELD_ANY;
388
389 assert_spin_locked(&dev->slock);
390
c458473e 391 if (dev->insuspend)
acd827d6
ML		 392 return 0;
393
1da177e4
LT		 394 /* video capture -- dma 0 + video task A */
395 if (dev->video_q.curr) {
396 task |= 0x01;
397 ctrl |= SAA7134_MAIN_CTRL_TE0;
398 irq |= SAA7134_IRQ1_INTE_RA0_1 |
399 SAA7134_IRQ1_INTE_RA0_0;
2ada815f 400 cap = dev->field;
1da177e4
LT		 401 }
402
403 /* video capture -- dma 1+2 (planar modes) */
9e534f84 404 if (dev->video_q.curr && dev->fmt->planar) {
1da177e4
LT		 405 ctrl |= SAA7134_MAIN_CTRL_TE4 |
406 SAA7134_MAIN_CTRL_TE5;
407 }
408
409 /* screen overlay -- dma 0 + video task B */
410 if (dev->ovenable) {
411 task |= 0x10;
412 ctrl |= SAA7134_MAIN_CTRL_TE1;
413 ov = dev->ovfield;
414 }
415
416 /* vbi capture -- dma 0 + vbi task A+B */
417 if (dev->vbi_q.curr) {
418 task |= 0x22;
419 ctrl |= SAA7134_MAIN_CTRL_TE2 |
420 SAA7134_MAIN_CTRL_TE3;
421 irq |= SAA7134_IRQ1_INTE_RA0_7 |
422 SAA7134_IRQ1_INTE_RA0_6 |
423 SAA7134_IRQ1_INTE_RA0_5 |
424 SAA7134_IRQ1_INTE_RA0_4;
425 }
426
427 /* audio capture -- dma 3 */
b54134be 428 if (dev->dmasound.dma_running) {
1da177e4
LT		 429 ctrl |= SAA7134_MAIN_CTRL_TE6;
430 irq |= SAA7134_IRQ1_INTE_RA3_1 |
431 SAA7134_IRQ1_INTE_RA3_0;
432 }
433
434 /* TS capture -- dma 5 */
435 if (dev->ts_q.curr) {
436 ctrl |= SAA7134_MAIN_CTRL_TE5;
8809b9cc 437 irq |= SAA7134_IRQ1_INTE_RA2_1 |
1da177e4
LT		 438 SAA7134_IRQ1_INTE_RA2_0;
439 }
440
441 /* set task conditions + field handling */
442 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
443 /* default config -- use full frames */
444 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
445 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
446 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
447 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
448 split = 0;
449 } else {
450 /* split fields between tasks */
451 if (V4L2_FIELD_TOP == cap) {
452 /* odd A, even B, repeat */
453 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
454 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
455 } else {
456 /* odd B, even A, repeat */
457 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
458 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
459 }
460 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
461 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
462 split = 1;
463 }
464
465 /* irqs */
466 saa_writeb(SAA7134_REGION_ENABLE, task);
467 saa_writel(SAA7134_IRQ1, irq);
468 saa_andorl(SAA7134_MAIN_CTRL,
469 SAA7134_MAIN_CTRL_TE0 |
470 SAA7134_MAIN_CTRL_TE1 |
471 SAA7134_MAIN_CTRL_TE2 |
472 SAA7134_MAIN_CTRL_TE3 |
473 SAA7134_MAIN_CTRL_TE4 |
474 SAA7134_MAIN_CTRL_TE5 |
475 SAA7134_MAIN_CTRL_TE6,
476 ctrl);
477 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
478 task, ctrl, irq, split ? "no" : "yes");
479
480 return 0;
481}
482
483/* ------------------------------------------------------------------ */
484/* IRQ handler + helpers */
485
486static char *irqbits[] = {
487 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
488 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
489 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
3629e1da 490 "GPIO16", "GPIO18", "GPIO22", "GPIO23"
1da177e4
LT		 491};
492#define IRQBITS ARRAY_SIZE(irqbits)
493
494static void print_irqstatus(struct saa7134_dev *dev, int loop,
495 unsigned long report, unsigned long status)
496{
497 unsigned int i;
498
499 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
500 dev->name,loop,jiffies,report,status);
501 for (i = 0; i < IRQBITS; i++) {
502 if (!(report & (1 << i)))
503 continue;
504 printk(" %s",irqbits[i]);
505 }
506 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
507 printk(" | RA0=%s,%s,%s,%ld",
508 (status & 0x40) ? "vbi" : "video",
509 (status & 0x20) ? "b" : "a",
510 (status & 0x10) ? "odd" : "even",
511 (status & 0x0f));
512 }
513 printk("\n");
514}
515
7d12e780 516static irqreturn_t saa7134_irq(int irq, void *dev_id)
1da177e4
LT		 517{
518 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
519 unsigned long report,status;
520 int loop, handled = 0;
521
c458473e
ML		 522 if (dev->insuspend)
523 goto out;
524
1da177e4
LT		 525 for (loop = 0; loop < 10; loop++) {
526 report = saa_readl(SAA7134_IRQ_REPORT);
527 status = saa_readl(SAA7134_IRQ_STATUS);
79dd0c69 528
843b1378
HL		 529 /* If dmasound support is active and we get a sound report,
530 * mask out the report and let the saa7134-alsa module deal
531 * with it */
4aabf633
RC		 532 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
533 (dev->dmasound.priv_data != NULL) )
534 {
79dd0c69 535 if (irq_debug > 1)
843b1378
HL		 536 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
537 dev->name);
538 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
539 }
540
541 if (0 == report) {
542 if (irq_debug > 1)
543 printk(KERN_DEBUG "%s/irq: no (more) work\n",
79dd0c69
RC		 544 dev->name);
545 goto out;
546 }
547
1da177e4
LT		 548 handled = 1;
549 saa_writel(SAA7134_IRQ_REPORT,report);
550 if (irq_debug)
551 print_irqstatus(dev,loop,report,status);
552
1da177e4 553
11f7078c
ML		 554 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
555 (report & SAA7134_IRQ_REPORT_INTL))
556 saa7134_irq_video_signalchange(dev);
557
1da177e4
LT		 558
559 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
560 (status & 0x60) == 0)
561 saa7134_irq_video_done(dev,status);
562
563 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
564 (status & 0x40) == 0x40)
565 saa7134_irq_vbi_done(dev,status);
566
567 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
452015de
HV		 568 card_has_mpeg(dev)) {
569 if (dev->mops->irq_ts_done != NULL)
570 dev->mops->irq_ts_done(dev, status);
571 else
572 saa7134_irq_ts_done(dev, status);
573 }
1da177e4 574
0602fbb2
PM		 575 if (report & SAA7134_IRQ_REPORT_GPIO16) {
576 switch (dev->has_remote) {
577 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 578 if (!dev->remote)
579 break;
0602fbb2
PM		 580 if (dev->remote->mask_keydown & 0x10000) {
581 saa7134_input_irq(dev);
582 }
583 break;
584
585 case SAA7134_REMOTE_I2C:
586 break; /* FIXME: invoke I2C get_key() */
587
588 default: /* GPIO16 not used by IR remote */
589 break;
590 }
591 }
bd15eba3 592
0602fbb2
PM		 593 if (report & SAA7134_IRQ_REPORT_GPIO18) {
594 switch (dev->has_remote) {
595 case SAA7134_REMOTE_GPIO:
7a766f9d
SV		 596 if (!dev->remote)
597 break;
0602fbb2
PM		 598 if ((dev->remote->mask_keydown & 0x40000) ||
599 (dev->remote->mask_keyup & 0x40000)) {
600 saa7134_input_irq(dev);
601 }
602 break;
603
604 case SAA7134_REMOTE_I2C:
605 break; /* FIXME: invoke I2C get_key() */
606
607 default: /* GPIO18 not used by IR remote */
608 break;
609 }
610 }
1da177e4
LT		 611 }
612
613 if (10 == loop) {
614 print_irqstatus(dev,loop,report,status);
615 if (report & SAA7134_IRQ_REPORT_PE) {
616 /* disable all parity error */
617 printk(KERN_WARNING "%s/irq: looping -- "
618 "clearing PE (parity error!) enable bit\n",dev->name);
619 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
0602fbb2
PM		 620 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
621 /* disable gpio16 IRQ */
1da177e4 622 printk(KERN_WARNING "%s/irq: looping -- "
0602fbb2 623 "clearing GPIO16 enable bit\n",dev->name);
3629e1da
MCC		 624 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_P);
625 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16_N);
0602fbb2
PM		 626 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
627 /* disable gpio18 IRQs */
628 printk(KERN_WARNING "%s/irq: looping -- "
629 "clearing GPIO18 enable bit\n",dev->name);
3629e1da
MCC		 630 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_P);
631 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18_N);
1da177e4
LT		 632 } else {
633 /* disable all irqs */
634 printk(KERN_WARNING "%s/irq: looping -- "
635 "clearing all enable bits\n",dev->name);
636 saa_writel(SAA7134_IRQ1,0);
637 saa_writel(SAA7134_IRQ2,0);
638 }
639 }
640
641 out:
642 return IRQ_RETVAL(handled);
643}
644
645/* ------------------------------------------------------------------ */
646
647/* early init (no i2c, no irq) */
cb71201f
ML		 648
649static int saa7134_hw_enable1(struct saa7134_dev *dev)
650{
651 /* RAM FIFO config */
652 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
653 saa_writel(SAA7134_THRESHOULD, 0x02020202);
654
655 /* enable audio + video processing */
656 saa_writel(SAA7134_MAIN_CTRL,
657 SAA7134_MAIN_CTRL_VPLLE |
658 SAA7134_MAIN_CTRL_APLLE |
659 SAA7134_MAIN_CTRL_EXOSC |
660 SAA7134_MAIN_CTRL_EVFE1 |
661 SAA7134_MAIN_CTRL_EVFE2 |
662 SAA7134_MAIN_CTRL_ESFE |
663 SAA7134_MAIN_CTRL_EBDAC);
664
665 /*
666 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
667 * OSS initialization writes to registers via the audio DSP; these
668 * writes will fail unless the audio clock has been started. At worst,
669 * audio will not work.
670 */
671
672 /* enable peripheral devices */
673 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
674
675 /* set vertical line numbering start (vbi needs this) */
676 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
677
678 return 0;
679}
680
1da177e4
LT		 681static int saa7134_hwinit1(struct saa7134_dev *dev)
682{
683 dprintk("hwinit1\n");
684
685 saa_writel(SAA7134_IRQ1, 0);
686 saa_writel(SAA7134_IRQ2, 0);
7ef5e025
AW		 687
688 /* Clear any stale IRQ reports */
689 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
690
3593cab5 691 mutex_init(&dev->lock);
1da177e4
LT		 692 spin_lock_init(&dev->slock);
693
694 saa7134_track_gpio(dev,"pre-init");
695 saa7134_video_init1(dev);
696 saa7134_vbi_init1(dev);
697 if (card_has_mpeg(dev))
698 saa7134_ts_init1(dev);
699 saa7134_input_init1(dev);
700
cb71201f 701 saa7134_hw_enable1(dev);
1da177e4
LT		 702
703 return 0;
704}
705
706/* late init (with i2c + irq) */
cb71201f 707static int saa7134_hw_enable2(struct saa7134_dev *dev)
1da177e4 708{
1da177e4 709
cb71201f 710 unsigned int irq2_mask;
1da177e4
LT		 711
712 /* enable IRQ's */
4ac97914 713 irq2_mask =
330a115a
MCC		 714 SAA7134_IRQ2_INTE_DEC3 |
715 SAA7134_IRQ2_INTE_DEC2 |
716 SAA7134_IRQ2_INTE_DEC1 |
717 SAA7134_IRQ2_INTE_DEC0 |
718 SAA7134_IRQ2_INTE_PE |
719 SAA7134_IRQ2_INTE_AR;
720
7a766f9d 721 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
0602fbb2 722 if (dev->remote->mask_keydown & 0x10000)
3629e1da 723 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16_N;
bdf1c98e
MCC		 724 else { /* Allow enabling both IRQ edge triggers */
725 if (dev->remote->mask_keydown & 0x40000)
726 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_P;
727 if (dev->remote->mask_keyup & 0x40000)
728 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18_N;
729 }
0602fbb2 730 }
330a115a 731
3de2ed12
DB		 732 if (dev->has_remote == SAA7134_REMOTE_I2C) {
733 request_module("ir-kbd-i2c");
734 }
735
1da177e4 736 saa_writel(SAA7134_IRQ1, 0);
330a115a 737 saa_writel(SAA7134_IRQ2, irq2_mask);
1da177e4
LT		 738
739 return 0;
740}
741
cb71201f
ML		 742static int saa7134_hwinit2(struct saa7134_dev *dev)
743{
744
745 dprintk("hwinit2\n");
746
747 saa7134_video_init2(dev);
748 saa7134_tvaudio_init2(dev);
749
750 saa7134_hw_enable2(dev);
751
752 return 0;
753}
754
755
1da177e4
LT		 756/* shutdown */
757static int saa7134_hwfini(struct saa7134_dev *dev)
758{
759 dprintk("hwfini\n");
760
1da177e4
LT		 761 if (card_has_mpeg(dev))
762 saa7134_ts_fini(dev);
763 saa7134_input_fini(dev);
764 saa7134_vbi_fini(dev);
1da177e4 765 saa7134_tvaudio_fini(dev);
9db0fb18 766 saa7134_video_fini(dev);
1da177e4
LT		 767 return 0;
768}
769
4c62e976 770static void must_configure_manually(int has_eeprom)
1da177e4
LT		 771{
772 unsigned int i,p;
773
99fb079a
MCC		 774 if (!has_eeprom)
775 printk(KERN_WARNING
776 "saa7134: <rant>\n"
777 "saa7134: Congratulations! Your TV card vendor saved a few\n"
778 "saa7134: cents for a eeprom, thus your pci board has no\n"
779 "saa7134: subsystem ID and I can't identify it automatically\n"
780 "saa7134: </rant>\n"
781 "saa7134: I feel better now. Ok, here are the good news:\n"
782 "saa7134: You can use the card=<nr> insmod option to specify\n"
783 "saa7134: which board do you have. The list:\n");
784 else
785 printk(KERN_WARNING
786 "saa7134: Board is currently unknown. You might try to use the card=<nr>\n"
787 "saa7134: insmod option to specify which board do you have, but this is\n"
788 "saa7134: somewhat risky, as might damage your card. It is better to ask\n"
789 "saa7134: for support at linux-media@vger.kernel.org.\n"
790 "saa7134: The supported cards are:\n");
791
1da177e4
LT		 792 for (i = 0; i < saa7134_bcount; i++) {
793 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
794 i,saa7134_boards[i].name);
795 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
796 if (saa7134_pci_tbl[p].driver_data != i)
797 continue;
798 printk(" %04x:%04x",
799 saa7134_pci_tbl[p].subvendor,
800 saa7134_pci_tbl[p].subdevice);
801 }
802 printk("\n");
803 }
804}
805
806static struct video_device *vdev_init(struct saa7134_dev *dev,
807 struct video_device *template,
808 char *type)
809{
810 struct video_device *vfd;
811
812 vfd = video_device_alloc();
813 if (NULL == vfd)
814 return NULL;
815 *vfd = *template;
b8ced134 816 vfd->v4l2_dev = &dev->v4l2_dev;
1da177e4
LT		 817 vfd->release = video_device_release;
818 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
819 dev->name, type, saa7134_boards[dev->board].name);
63b0d5ad 820 video_set_drvdata(vfd, dev);
1da177e4
LT		 821 return vfd;
822}
823
824static void saa7134_unregister_video(struct saa7134_dev *dev)
825{
826 if (dev->video_dev) {
f0813b4c 827 if (video_is_registered(dev->video_dev))
1da177e4
LT		 828 video_unregister_device(dev->video_dev);
829 else
830 video_device_release(dev->video_dev);
831 dev->video_dev = NULL;
832 }
833 if (dev->vbi_dev) {
f0813b4c 834 if (video_is_registered(dev->vbi_dev))
1da177e4
LT		 835 video_unregister_device(dev->vbi_dev);
836 else
837 video_device_release(dev->vbi_dev);
838 dev->vbi_dev = NULL;
839 }
840 if (dev->radio_dev) {
f0813b4c 841 if (video_is_registered(dev->radio_dev))
1da177e4
LT		 842 video_unregister_device(dev->radio_dev);
843 else
844 video_device_release(dev->radio_dev);
845 dev->radio_dev = NULL;
846 }
847}
848
849static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
850 struct saa7134_dev *dev)
851{
852 int err;
853
854 if (NULL != dev->mops)
855 return;
856 if (saa7134_boards[dev->board].mpeg != ops->type)
857 return;
858 err = ops->init(dev);
859 if (0 != err)
860 return;
861 dev->mops = ops;
862}
863
864static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
865 struct saa7134_dev *dev)
866{
867 if (NULL == dev->mops)
868 return;
869 if (dev->mops != ops)
870 return;
871 dev->mops->fini(dev);
872 dev->mops = NULL;
873}
874
4c62e976
GKH		 875static int saa7134_initdev(struct pci_dev *pci_dev,
876 const struct pci_device_id *pci_id)
1da177e4
LT		 877{
878 struct saa7134_dev *dev;
1da177e4
LT		 879 struct saa7134_mpeg_ops *mops;
880 int err;
881
a4df8e1d
AM		 882 if (saa7134_devcount == SAA7134_MAXBOARDS)
883 return -ENOMEM;
884
7408187d 885 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1da177e4
LT		 886 if (NULL == dev)
887 return -ENOMEM;
1da177e4 888
fac6986c
HV		 889 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
890 if (err)
891 goto fail0;
892
1da177e4
LT		 893 /* pci init */
894 dev->pci = pci_dev;
895 if (pci_enable_device(pci_dev)) {
896 err = -EIO;
897 goto fail1;
898 }
899
900 dev->nr = saa7134_devcount;
901 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
902
903 /* pci quirks */
904 if (pci_pci_problems) {
905 if (pci_pci_problems & PCIPCI_TRITON)
906 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
907 if (pci_pci_problems & PCIPCI_NATOMA)
908 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
909 if (pci_pci_problems & PCIPCI_VIAETBF)
910 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
911 if (pci_pci_problems & PCIPCI_VSFX)
912 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
913#ifdef PCIPCI_ALIMAGIK
914 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
915 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
916 dev->name);
917 latency = 0x0A;
918 }
919#endif
3d265c96 920 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
9050d942
MCC		 921 printk(KERN_INFO "%s: quirk: this driver and your "
922 "chipset may not work together"
923 " in overlay mode.\n",dev->name);
ecb73774 924 if (!saa7134_no_overlay) {
9050d942
MCC		 925 printk(KERN_INFO "%s: quirk: overlay "
926 "mode will be disabled.\n",
927 dev->name);
ecb73774 928 saa7134_no_overlay = 1;
9050d942
MCC		 929 } else {
930 printk(KERN_INFO "%s: quirk: overlay "
931 "mode will be forced. Use this"
932 " option at your own risk.\n",
933 dev->name);
934 }
935 }
1da177e4
LT		 936 }
937 if (UNSET != latency) {
938 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
939 dev->name,latency);
940 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
941 }
942
943 /* print pci info */
abd34d8d 944 dev->pci_rev = pci_dev->revision;
4ac97914
MCC		 945 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
946 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
228aef63 947 "latency: %d, mmio: 0x%llx\n", dev->name,
1da177e4 948 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
228aef63 949 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4 950 pci_set_master(pci_dev);
284901a9 951 if (!pci_dma_supported(pci_dev, DMA_BIT_MASK(32))) {
1da177e4
LT		 952 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
953 err = -EIO;
954 goto fail1;
955 }
956
957 /* board config */
958 dev->board = pci_id->driver_data;
3eeba4a7 959 if ((unsigned)card[dev->nr] < saa7134_bcount)
1da177e4 960 dev->board = card[dev->nr];
99fb079a
MCC		 961 if (SAA7134_BOARD_UNKNOWN == dev->board)
962 must_configure_manually(0);
963 else if (SAA7134_BOARD_NOAUTO == dev->board) {
964 must_configure_manually(1);
1da177e4
LT		 965 dev->board = SAA7134_BOARD_UNKNOWN;
966 }
a75ec3f0 967 dev->autodetected = card[dev->nr] != dev->board;
d53687d1
SA		 968 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
969 dev->tuner_addr = saa7134_boards[dev->board].tuner_addr;
fac6986c
HV		 970 dev->radio_type = saa7134_boards[dev->board].radio_type;
971 dev->radio_addr = saa7134_boards[dev->board].radio_addr;
1da177e4
LT		 972 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
973 if (UNSET != tuner[dev->nr])
974 dev->tuner_type = tuner[dev->nr];
d53687d1 975 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
a75ec3f0
HH		 976 dev->name,pci_dev->subsystem_vendor,
977 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
978 dev->board, dev->autodetected ?
979 "autodetected" : "insmod option");
1da177e4
LT		 980
981 /* get mmio */
982 if (!request_mem_region(pci_resource_start(pci_dev,0),
983 pci_resource_len(pci_dev,0),
984 dev->name)) {
985 err = -EBUSY;
228aef63
GKH		 986 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
987 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
1da177e4
LT		 988 goto fail1;
989 }
d522af58
SS		 990 dev->lmmio = ioremap(pci_resource_start(pci_dev, 0),
991 pci_resource_len(pci_dev, 0));
1da177e4
LT		 992 dev->bmmio = (__u8 __iomem *)dev->lmmio;
993 if (NULL == dev->lmmio) {
994 err = -EIO;
995 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
996 dev->name);
997 goto fail2;
998 }
999
1000 /* initialize hardware #1 */
1da177e4
LT		 1001 saa7134_board_init1(dev);
1002 saa7134_hwinit1(dev);
1003
0c3a14c1
HV		 1004 dev->alloc_ctx = vb2_dma_sg_init_ctx(&pci_dev->dev);
1005 if (IS_ERR(dev->alloc_ctx)) {
1006 err = PTR_ERR(dev->alloc_ctx);
1007 goto fail3;
1008 }
1da177e4
LT		 1009 /* get irq */
1010 err = request_irq(pci_dev->irq, saa7134_irq,
3e018fe4 1011 IRQF_SHARED, dev->name, dev);
1da177e4
LT		 1012 if (err < 0) {
1013 printk(KERN_ERR "%s: can't get IRQ %d\n",
1014 dev->name,pci_dev->irq);
0c3a14c1 1015 goto fail4;
1da177e4
LT		 1016 }
1017
1018 /* wait a bit, register i2c bus */
1019 msleep(100);
1020 saa7134_i2c_register(dev);
1da177e4 1021 saa7134_board_init2(dev);
c030f5e6 1022
1da177e4
LT		 1023 saa7134_hwinit2(dev);
1024
1025 /* load i2c helpers */
4ac97914 1026 if (card_is_empress(dev)) {
718bde1a 1027 dev->empress_sd =
e6574f2f 1028 v4l2_i2c_new_subdev(&dev->v4l2_dev, &dev->i2c_adap,
9a1f8b34 1029 "saa6752hs",
53dacb15 1030 saa7134_boards[dev->board].empress_addr, NULL);
fac6986c 1031
718bde1a
HV		 1032 if (dev->empress_sd)
1033 dev->empress_sd->grp_id = GRP_EMPRESS;
1da177e4 1034 }
330a115a 1035
2983baf8 1036 if (saa7134_boards[dev->board].rds_addr) {
2983baf8
HV		 1037 struct v4l2_subdev *sd;
1038
53dacb15 1039 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
9a1f8b34 1040 &dev->i2c_adap, "saa6588",
53dacb15 1041 0, I2C_ADDRS(saa7134_boards[dev->board].rds_addr));
f101a2a7 1042 if (sd) {
2983baf8 1043 printk(KERN_INFO "%s: found RDS decoder\n", dev->name);
f101a2a7
HV		 1044 dev->has_rds = 1;
1045 }
2983baf8
HV		 1046 }
1047
befd6e64
MCC		 1048 mutex_lock(&saa7134_devlist_lock);
1049 list_for_each_entry(mops, &mops_list, next)
1050 mpeg_ops_attach(mops, dev);
1051 list_add_tail(&dev->devlist, &saa7134_devlist);
1052 mutex_unlock(&saa7134_devlist_lock);
1053
1054 /* check for signal */
1055 saa7134_irq_video_signalchange(dev);
1056
1057 if (TUNER_ABSENT != dev->tuner_type)
622b828a 1058 saa_call_all(dev, core, s_power, 0);
befd6e64 1059
1da177e4 1060 /* register v4l devices */
0ea6bc8d
HV		 1061 if (saa7134_no_overlay > 0)
1062 printk(KERN_INFO "%s: Overlay support disabled.\n", dev->name);
1063
1da177e4 1064 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
718bde1a 1065 dev->video_dev->ctrl_handler = &dev->ctrl_handler;
2ada815f
HV		 1066 dev->video_dev->lock = &dev->lock;
1067 dev->video_dev->queue = &dev->video_vbq;
1da177e4
LT		 1068 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1069 video_nr[dev->nr]);
1070 if (err < 0) {
1071 printk(KERN_INFO "%s: can't register video device\n",
1072 dev->name);
0c3a14c1 1073 goto fail5;
1da177e4 1074 }
38c7c036
LP		 1075 printk(KERN_INFO "%s: registered device %s [v4l2]\n",
1076 dev->name, video_device_node_name(dev->video_dev));
1da177e4 1077
a9622391 1078 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
718bde1a 1079 dev->vbi_dev->ctrl_handler = &dev->ctrl_handler;
2ada815f
HV		 1080 dev->vbi_dev->lock = &dev->lock;
1081 dev->vbi_dev->queue = &dev->vbi_vbq;
a9622391 1082
1da177e4
LT		 1083 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1084 vbi_nr[dev->nr]);
1085 if (err < 0)
0c3a14c1 1086 goto fail5;
38c7c036
LP		 1087 printk(KERN_INFO "%s: registered device %s\n",
1088 dev->name, video_device_node_name(dev->vbi_dev));
1da177e4
LT		 1089
1090 if (card_has_radio(dev)) {
1091 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
718bde1a 1092 dev->radio_dev->ctrl_handler = &dev->radio_ctrl_handler;
2ada815f 1093 dev->radio_dev->lock = &dev->lock;
1da177e4
LT		 1094 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1095 radio_nr[dev->nr]);
1096 if (err < 0)
0c3a14c1 1097 goto fail5;
38c7c036
LP		 1098 printk(KERN_INFO "%s: registered device %s\n",
1099 dev->name, video_device_node_name(dev->radio_dev));
1da177e4
LT		 1100 }
1101
1da177e4 1102 /* everything worked */
1da177e4
LT		 1103 saa7134_devcount++;
1104
befd6e64 1105 if (saa7134_dmasound_init && !dev->dmasound.priv_data)
78457018 1106 saa7134_dmasound_init(dev);
80d35237 1107
707bcf32 1108 request_submodules(dev);
1da177e4
LT		 1109 return 0;
1110
0c3a14c1 1111 fail5:
1da177e4
LT		 1112 saa7134_unregister_video(dev);
1113 saa7134_i2c_unregister(dev);
1114 free_irq(pci_dev->irq, dev);
0c3a14c1
HV		 1115 fail4:
1116 vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1da177e4
LT		 1117 fail3:
1118 saa7134_hwfini(dev);
1119 iounmap(dev->lmmio);
1120 fail2:
1121 release_mem_region(pci_resource_start(pci_dev,0),
1122 pci_resource_len(pci_dev,0));
1123 fail1:
fac6986c
HV		 1124 v4l2_device_unregister(&dev->v4l2_dev);
1125 fail0:
1da177e4
LT		 1126 kfree(dev);
1127 return err;
1128}
1129
4c62e976 1130static void saa7134_finidev(struct pci_dev *pci_dev)
1da177e4 1131{
fac6986c
HV		 1132 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1133 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
1da177e4
LT		 1134 struct saa7134_mpeg_ops *mops;
1135
707bcf32
TH		 1136 flush_request_submodules(dev);
1137
f5b974cb 1138 /* Release DMA sound modules if present */
78457018
AB		 1139 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1140 saa7134_dmasound_exit(dev);
f5b974cb
RC		 1141 }
1142
1da177e4
LT		 1143 /* debugging ... */
1144 if (irq_debug) {
1145 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1146 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1147 print_irqstatus(dev,42,report,status);
1148 }
1149
1150 /* disable peripheral devices */
1151 saa_writeb(SAA7134_SPECIAL_MODE,0);
1152
1153 /* shutdown hardware */
1154 saa_writel(SAA7134_IRQ1,0);
1155 saa_writel(SAA7134_IRQ2,0);
1156 saa_writel(SAA7134_MAIN_CTRL,0);
1157
1158 /* shutdown subsystems */
1159 saa7134_hwfini(dev);
1160
1161 /* unregister */
befd6e64 1162 mutex_lock(&saa7134_devlist_lock);
1da177e4 1163 list_del(&dev->devlist);
6d28e989 1164 list_for_each_entry(mops, &mops_list, next)
1da177e4 1165 mpeg_ops_detach(mops, dev);
befd6e64 1166 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1167 saa7134_devcount--;
1168
1169 saa7134_i2c_unregister(dev);
1da177e4
LT		 1170 saa7134_unregister_video(dev);
1171
f5b974cb 1172
4aabf633
RC		 1173 /* the DMA sound modules should be unloaded before reaching
1174 this, but just in case they are still present... */
1175 if (dev->dmasound.priv_data != NULL) {
1176 free_irq(pci_dev->irq, &dev->dmasound);
1177 dev->dmasound.priv_data = NULL;
1178 }
1179
f5b974cb 1180
4aabf633 1181 /* release resources */
1da177e4 1182 free_irq(pci_dev->irq, dev);
0c3a14c1 1183 vb2_dma_sg_cleanup_ctx(dev->alloc_ctx);
1da177e4
LT		 1184 iounmap(dev->lmmio);
1185 release_mem_region(pci_resource_start(pci_dev,0),
1186 pci_resource_len(pci_dev,0));
1187
fac6986c
HV		 1188
1189 v4l2_device_unregister(&dev->v4l2_dev);
1da177e4
LT		 1190
1191 /* free memory */
1192 kfree(dev);
1193}
1194
c458473e 1195#ifdef CONFIG_PM
05d26cc8
AB		 1196
1197/* resends a current buffer in queue after resume */
1198static int saa7134_buffer_requeue(struct saa7134_dev *dev,
1199 struct saa7134_dmaqueue *q)
1200{
1201 struct saa7134_buf *buf, *next;
1202
1203 assert_spin_locked(&dev->slock);
1204
1205 buf = q->curr;
1206 next = buf;
1207 dprintk("buffer_requeue\n");
1208
1209 if (!buf)
1210 return 0;
1211
1212 dprintk("buffer_requeue : resending active buffers \n");
1213
1214 if (!list_empty(&q->queue))
1215 next = list_entry(q->queue.next, struct saa7134_buf,
2ada815f 1216 entry);
05d26cc8
AB		 1217 buf->activate(dev, buf, next);
1218
1219 return 0;
1220}
1221
cb71201f
ML		 1222static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1223{
fac6986c
HV		 1224 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1225 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
cb71201f 1226
acd827d6
ML		 1227 /* disable overlay - apps should enable it explicitly on resume*/
1228 dev->ovenable = 0;
1229
1230 /* Disable interrupts, DMA, and rest of the chip*/
cb71201f
ML		 1231 saa_writel(SAA7134_IRQ1, 0);
1232 saa_writel(SAA7134_IRQ2, 0);
acd827d6 1233 saa_writel(SAA7134_MAIN_CTRL, 0);
cb71201f 1234
c458473e 1235 dev->insuspend = 1;
3203cb86
ML		 1236 synchronize_irq(pci_dev->irq);
1237
1238 /* ACK interrupts once more, just in case,
1239 since the IRQ handler won't ack them anymore*/
1240
1241 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
c458473e
ML		 1242
1243 /* Disable timeout timers - if we have active buffers, we will
1244 fill them on resume*/
1245
1246 del_timer(&dev->video_q.timeout);
1247 del_timer(&dev->vbi_q.timeout);
1248 del_timer(&dev->ts_q.timeout);
f40aa808
MS		 1249
1250 if (dev->remote)
1251 saa7134_ir_stop(dev);
c458473e 1252
cb71201f 1253 pci_save_state(pci_dev);
0d65cd4f 1254 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
cb71201f 1255
0d65cd4f 1256 return 0;
cb71201f
ML		 1257}
1258
1259static int saa7134_resume(struct pci_dev *pci_dev)
1260{
fac6986c
HV		 1261 struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
1262 struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
a3c53e23 1263 unsigned long flags;
cb71201f 1264
cb71201f 1265 pci_set_power_state(pci_dev, PCI_D0);
0d65cd4f 1266 pci_restore_state(pci_dev);
cb71201f
ML		 1267
1268 /* Do things that are done in saa7134_initdev ,
1269 except of initializing memory structures.*/
1270
1271 saa7134_board_init1(dev);
1272
c458473e 1273 /* saa7134_hwinit1 */
cb71201f
ML		 1274 if (saa7134_boards[dev->board].video_out)
1275 saa7134_videoport_init(dev);
cb71201f
ML		 1276 if (card_has_mpeg(dev))
1277 saa7134_ts_init_hw(dev);
c458473e 1278 if (dev->remote)
716aab44 1279 saa7134_ir_start(dev);
cb71201f 1280 saa7134_hw_enable1(dev);
c458473e 1281
5c01203f 1282 msleep(100);
c458473e 1283
cb71201f 1284 saa7134_board_init2(dev);
cb71201f 1285
c458473e
ML		 1286 /*saa7134_hwinit2*/
1287 saa7134_set_tvnorm_hw(dev);
cb71201f 1288 saa7134_tvaudio_setmute(dev);
cb71201f 1289 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
f36224d3 1290 saa7134_tvaudio_init(dev);
cb71201f 1291 saa7134_enable_i2s(dev);
c458473e 1292 saa7134_hw_enable2(dev);
cb71201f 1293
5c01203f
ML		 1294 saa7134_irq_video_signalchange(dev);
1295
acd827d6
ML		 1296 /*resume unfinished buffer(s)*/
1297 spin_lock_irqsave(&dev->slock, flags);
cb71201f
ML		 1298 saa7134_buffer_requeue(dev, &dev->video_q);
1299 saa7134_buffer_requeue(dev, &dev->vbi_q);
1300 saa7134_buffer_requeue(dev, &dev->ts_q);
1301
c458473e
ML		 1302 /* FIXME: Disable DMA audio sound - temporary till proper support
1303 is implemented*/
1304
1305 dev->dmasound.dma_running = 0;
1306
acd827d6 1307 /* start DMA now*/
c458473e 1308 dev->insuspend = 0;
3203cb86 1309 smp_wmb();
acd827d6
ML		 1310 saa7134_set_dmabits(dev);
1311 spin_unlock_irqrestore(&dev->slock, flags);
1312
cb71201f
ML		 1313 return 0;
1314}
c458473e 1315#endif
cb71201f 1316
1da177e4
LT		 1317/* ----------------------------------------------------------- */
1318
1319int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1320{
1da177e4
LT		 1321 struct saa7134_dev *dev;
1322
befd6e64 1323 mutex_lock(&saa7134_devlist_lock);
6d28e989 1324 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1325 mpeg_ops_attach(ops, dev);
1da177e4 1326 list_add_tail(&ops->next,&mops_list);
befd6e64 1327 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1328 return 0;
1329}
1330
1331void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1332{
1da177e4
LT		 1333 struct saa7134_dev *dev;
1334
befd6e64 1335 mutex_lock(&saa7134_devlist_lock);
1da177e4 1336 list_del(&ops->next);
6d28e989 1337 list_for_each_entry(dev, &saa7134_devlist, devlist)
1da177e4 1338 mpeg_ops_detach(ops, dev);
befd6e64 1339 mutex_unlock(&saa7134_devlist_lock);
1da177e4
LT		 1340}
1341
1342EXPORT_SYMBOL(saa7134_ts_register);
1343EXPORT_SYMBOL(saa7134_ts_unregister);
1344
1345/* ----------------------------------------------------------- */
1346
1347static struct pci_driver saa7134_pci_driver = {
4ac97914
MCC		 1348 .name = "saa7134",
1349 .id_table = saa7134_pci_tbl,
1350 .probe = saa7134_initdev,
4c62e976 1351 .remove = saa7134_finidev,
c458473e 1352#ifdef CONFIG_PM
cb71201f
ML		 1353 .suspend = saa7134_suspend,
1354 .resume = saa7134_resume
c458473e 1355#endif
1da177e4
LT		 1356};
1357
9710e7a7 1358static int __init saa7134_init(void)
1da177e4
LT		 1359{
1360 INIT_LIST_HEAD(&saa7134_devlist);
1990d50b
MCC		 1361 printk(KERN_INFO "saa7130/34: v4l2 driver version %s loaded\n",
1362 SAA7134_VERSION);
2304759d 1363 return pci_register_driver(&saa7134_pci_driver);
1da177e4
LT		 1364}
1365
9710e7a7 1366static void __exit saa7134_fini(void)
1da177e4 1367{
1da177e4
LT		 1368 pci_unregister_driver(&saa7134_pci_driver);
1369}
1370
1371module_init(saa7134_init);
1372module_exit(saa7134_fini);
1373
1374/* ----------------------------------------------------------- */
1375
58ef4f92 1376EXPORT_SYMBOL(saa7134_set_gpio);
1da177e4
LT		 1377EXPORT_SYMBOL(saa7134_boards);
1378
4aabf633 1379/* ----------------- for the DMA sound modules --------------- */
79dd0c69 1380
78457018
AB		 1381EXPORT_SYMBOL(saa7134_dmasound_init);
1382EXPORT_SYMBOL(saa7134_dmasound_exit);
79dd0c69
RC		 1383EXPORT_SYMBOL(saa7134_pgtable_free);
1384EXPORT_SYMBOL(saa7134_pgtable_build);
1385EXPORT_SYMBOL(saa7134_pgtable_alloc);
1386EXPORT_SYMBOL(saa7134_set_dmabits);
Linux kernel - Deliverables
This page took 1.087418 seconds and 5 git commands to generate.