3 * device driver for philips saa7134 based TV cards
6 * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
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.
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.
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.
23 #include <linux/init.h>
24 #include <linux/list.h>
25 #include <linux/module.h>
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>
32 #include <linux/mutex.h>
33 #include <linux/dma-mapping.h>
36 #include "saa7134-reg.h"
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");
43 /* ------------------------------------------------------------------ */
45 static unsigned int irq_debug
;
46 module_param(irq_debug
, int, 0644);
47 MODULE_PARM_DESC(irq_debug
,"enable debug messages [IRQ handler]");
49 static unsigned int core_debug
;
50 module_param(core_debug
, int, 0644);
51 MODULE_PARM_DESC(core_debug
,"enable debug messages [core]");
53 static unsigned int gpio_tracking
;
54 module_param(gpio_tracking
, int, 0644);
55 MODULE_PARM_DESC(gpio_tracking
,"enable debug messages [gpio]");
57 static unsigned int alsa
;
58 module_param(alsa
, int, 0644);
59 MODULE_PARM_DESC(alsa
,"enable ALSA DMA sound [dmasound]");
61 static unsigned int oss
;
62 module_param(oss
, int, 0644);
63 MODULE_PARM_DESC(oss
,"enable OSS DMA sound [dmasound]");
65 static unsigned int latency
= UNSET
;
66 module_param(latency
, int, 0444);
67 MODULE_PARM_DESC(latency
,"pci latency timer");
69 int saa7134_no_overlay
=-1;
70 module_param_named(no_overlay
, saa7134_no_overlay
, int, 0444);
71 MODULE_PARM_DESC(no_overlay
,"allow override overlay default (0 disables, 1 enables)"
72 " [some VIA/SIS chipsets are known to have problem with overlay]");
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
};
77 static unsigned int tuner
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
78 static unsigned int card
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
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);
84 module_param_array(tuner
, int, NULL
, 0444);
85 module_param_array(card
, int, NULL
, 0444);
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");
90 MODULE_PARM_DESC(tuner
, "tuner type");
91 MODULE_PARM_DESC(card
, "card type");
93 static DEFINE_MUTEX(devlist_lock
);
94 LIST_HEAD(saa7134_devlist
);
95 static LIST_HEAD(mops_list
);
96 static unsigned int saa7134_devcount
;
98 int (*saa7134_dmasound_init
)(struct saa7134_dev
*dev
);
99 int (*saa7134_dmasound_exit
)(struct saa7134_dev
*dev
);
101 #define dprintk(fmt, arg...) if (core_debug) \
102 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
104 void saa7134_track_gpio(struct saa7134_dev
*dev
, char *msg
)
106 unsigned long mode
,status
;
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;
116 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
117 dev
->name
, mode
, (~mode
) & status
, mode
& status
, msg
);
120 void saa7134_set_gpio(struct saa7134_dev
*dev
, int bit_no
, int 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);
135 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, index
, index
);
136 saa_andorl(SAA7134_GPIO_GPSTATUS0
>> 2, index
, bitval
);
138 case 3: /* tristate */
139 dprintk("setting GPIO%d to tristate\n", bit_no
);
140 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, index
, 0);
145 /* ------------------------------------------------------------------ */
148 /* ----------------------------------------------------------- */
149 /* delayed request_module */
151 #if defined(CONFIG_MODULES) && defined(MODULE)
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
))
156 request_module("saa7134-empress");
157 if (card_is_dvb(dev
))
158 request_module("saa7134-dvb");
160 request_module("saa7134-alsa");
162 request_module("saa7134-oss");
165 static void request_submodules(struct saa7134_dev
*dev
)
167 INIT_WORK(&dev
->request_module_wk
, request_module_async
);
168 schedule_work(&dev
->request_module_wk
);
172 #define request_submodules(dev)
173 #endif /* CONFIG_MODULES */
175 /* ------------------------------------------------------------------ */
177 /* nr of (saa7134-)pages for the given buffer size */
178 static int saa7134_buffer_pages(int size
)
180 size
= PAGE_ALIGN(size
);
181 size
+= PAGE_SIZE
; /* for non-page-aligned buffers */
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
)
190 unsigned int maxcount
;
192 maxcount
= 1024 / saa7134_buffer_pages(size
);
193 if (count
> maxcount
)
198 int saa7134_buffer_startpage(struct saa7134_buf
*buf
)
200 return saa7134_buffer_pages(buf
->vb
.bsize
) * buf
->vb
.i
;
203 unsigned long saa7134_buffer_base(struct saa7134_buf
*buf
)
206 struct videobuf_dmabuf
*dma
=videobuf_to_dma(&buf
->vb
);
208 base
= saa7134_buffer_startpage(buf
) * 4096;
209 base
+= dma
->sglist
[0].offset
;
213 /* ------------------------------------------------------------------ */
215 int saa7134_pgtable_alloc(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
)
220 cpu
= pci_alloc_consistent(pci
, SAA7134_PGTABLE_SIZE
, &dma_addr
);
223 pt
->size
= SAA7134_PGTABLE_SIZE
;
229 int saa7134_pgtable_build(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
,
230 struct scatterlist
*list
, unsigned int length
,
231 unsigned int startpage
)
236 BUG_ON(NULL
== pt
|| NULL
== pt
->cpu
);
238 ptr
= pt
->cpu
+ startpage
;
239 for (i
= 0; i
< length
; i
++, list
++)
240 for (p
= 0; p
* 4096 < list
->length
; p
++, ptr
++)
241 *ptr
= cpu_to_le32(sg_dma_address(list
) - list
->offset
);
245 void saa7134_pgtable_free(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
)
249 pci_free_consistent(pci
, pt
->size
, pt
->cpu
, pt
->dma
);
253 /* ------------------------------------------------------------------ */
255 void saa7134_dma_free(struct videobuf_queue
*q
,struct saa7134_buf
*buf
)
257 struct videobuf_dmabuf
*dma
=videobuf_to_dma(&buf
->vb
);
258 BUG_ON(in_interrupt());
260 videobuf_waiton(&buf
->vb
,0,0);
261 videobuf_dma_unmap(q
, dma
);
262 videobuf_dma_free(dma
);
263 buf
->vb
.state
= VIDEOBUF_NEEDS_INIT
;
266 /* ------------------------------------------------------------------ */
268 int saa7134_buffer_queue(struct saa7134_dev
*dev
,
269 struct saa7134_dmaqueue
*q
,
270 struct saa7134_buf
*buf
)
272 struct saa7134_buf
*next
= NULL
;
274 assert_spin_locked(&dev
->slock
);
275 dprintk("buffer_queue %p\n",buf
);
276 if (NULL
== q
->curr
) {
279 buf
->activate(dev
,buf
,NULL
);
280 } else if (list_empty(&q
->queue
)) {
281 list_add_tail(&buf
->vb
.queue
,&q
->queue
);
282 buf
->vb
.state
= VIDEOBUF_QUEUED
;
284 next
= list_entry(q
->queue
.next
,struct saa7134_buf
,
287 buf
->activate(dev
,buf
,next
);
290 list_add_tail(&buf
->vb
.queue
,&q
->queue
);
291 buf
->vb
.state
= VIDEOBUF_QUEUED
;
296 void saa7134_buffer_finish(struct saa7134_dev
*dev
,
297 struct saa7134_dmaqueue
*q
,
300 assert_spin_locked(&dev
->slock
);
301 dprintk("buffer_finish %p\n",q
->curr
);
303 /* finish current buffer */
304 q
->curr
->vb
.state
= state
;
305 do_gettimeofday(&q
->curr
->vb
.ts
);
306 wake_up(&q
->curr
->vb
.done
);
310 void saa7134_buffer_next(struct saa7134_dev
*dev
,
311 struct saa7134_dmaqueue
*q
)
313 struct saa7134_buf
*buf
,*next
= NULL
;
315 assert_spin_locked(&dev
->slock
);
316 BUG_ON(NULL
!= q
->curr
);
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
,
328 buf
->activate(dev
,buf
,next
);
329 dprintk("buffer_next #2 prev=%p/next=%p\n",
330 q
->queue
.prev
,q
->queue
.next
);
332 /* nothing to do -- just stop DMA */
333 dprintk("buffer_next %p\n",NULL
);
334 saa7134_set_dmabits(dev
);
335 del_timer(&q
->timeout
);
339 void saa7134_buffer_timeout(unsigned long data
)
341 struct saa7134_dmaqueue
*q
= (struct saa7134_dmaqueue
*)data
;
342 struct saa7134_dev
*dev
= q
->dev
;
345 spin_lock_irqsave(&dev
->slock
,flags
);
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);
352 /* flag current buffer as failed,
353 try to start over with the next one. */
355 dprintk("timeout on %p\n",q
->curr
);
356 saa7134_buffer_finish(dev
,q
,VIDEOBUF_ERROR
);
358 saa7134_buffer_next(dev
,q
);
359 spin_unlock_irqrestore(&dev
->slock
,flags
);
362 /* resends a current buffer in queue after resume */
364 static int saa7134_buffer_requeue(struct saa7134_dev
*dev
,
365 struct saa7134_dmaqueue
*q
)
367 struct saa7134_buf
*buf
, *next
;
369 assert_spin_locked(&dev
->slock
);
373 dprintk("buffer_requeue\n");
378 dprintk("buffer_requeue : resending active buffers \n");
380 if (!list_empty(&q
->queue
))
381 next
= list_entry(q
->queue
.next
, struct saa7134_buf
,
383 buf
->activate(dev
, buf
, next
);
388 /* ------------------------------------------------------------------ */
390 int saa7134_set_dmabits(struct saa7134_dev
*dev
)
392 u32 split
, task
=0, ctrl
=0, irq
=0;
393 enum v4l2_field cap
= V4L2_FIELD_ANY
;
394 enum v4l2_field ov
= V4L2_FIELD_ANY
;
396 assert_spin_locked(&dev
->slock
);
401 /* video capture -- dma 0 + video task A */
402 if (dev
->video_q
.curr
) {
404 ctrl
|= SAA7134_MAIN_CTRL_TE0
;
405 irq
|= SAA7134_IRQ1_INTE_RA0_1
|
406 SAA7134_IRQ1_INTE_RA0_0
;
407 cap
= dev
->video_q
.curr
->vb
.field
;
410 /* video capture -- dma 1+2 (planar modes) */
411 if (dev
->video_q
.curr
&&
412 dev
->video_q
.curr
->fmt
->planar
) {
413 ctrl
|= SAA7134_MAIN_CTRL_TE4
|
414 SAA7134_MAIN_CTRL_TE5
;
417 /* screen overlay -- dma 0 + video task B */
420 ctrl
|= SAA7134_MAIN_CTRL_TE1
;
424 /* vbi capture -- dma 0 + vbi task A+B */
425 if (dev
->vbi_q
.curr
) {
427 ctrl
|= SAA7134_MAIN_CTRL_TE2
|
428 SAA7134_MAIN_CTRL_TE3
;
429 irq
|= SAA7134_IRQ1_INTE_RA0_7
|
430 SAA7134_IRQ1_INTE_RA0_6
|
431 SAA7134_IRQ1_INTE_RA0_5
|
432 SAA7134_IRQ1_INTE_RA0_4
;
435 /* audio capture -- dma 3 */
436 if (dev
->dmasound
.dma_running
) {
437 ctrl
|= SAA7134_MAIN_CTRL_TE6
;
438 irq
|= SAA7134_IRQ1_INTE_RA3_1
|
439 SAA7134_IRQ1_INTE_RA3_0
;
442 /* TS capture -- dma 5 */
443 if (dev
->ts_q
.curr
) {
444 ctrl
|= SAA7134_MAIN_CTRL_TE5
;
445 irq
|= SAA7134_IRQ1_INTE_RA2_3
|
446 SAA7134_IRQ1_INTE_RA2_2
|
447 SAA7134_IRQ1_INTE_RA2_1
|
448 SAA7134_IRQ1_INTE_RA2_0
;
451 /* set task conditions + field handling */
452 if (V4L2_FIELD_HAS_BOTH(cap
) || V4L2_FIELD_HAS_BOTH(ov
) || cap
== ov
) {
453 /* default config -- use full frames */
454 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0d);
455 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0d);
456 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A
), 0x02);
457 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B
), 0x02);
460 /* split fields between tasks */
461 if (V4L2_FIELD_TOP
== cap
) {
462 /* odd A, even B, repeat */
463 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0d);
464 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0e);
466 /* odd B, even A, repeat */
467 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0e);
468 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0d);
470 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A
), 0x01);
471 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B
), 0x01);
476 saa_writeb(SAA7134_REGION_ENABLE
, task
);
477 saa_writel(SAA7134_IRQ1
, irq
);
478 saa_andorl(SAA7134_MAIN_CTRL
,
479 SAA7134_MAIN_CTRL_TE0
|
480 SAA7134_MAIN_CTRL_TE1
|
481 SAA7134_MAIN_CTRL_TE2
|
482 SAA7134_MAIN_CTRL_TE3
|
483 SAA7134_MAIN_CTRL_TE4
|
484 SAA7134_MAIN_CTRL_TE5
|
485 SAA7134_MAIN_CTRL_TE6
,
487 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
488 task
, ctrl
, irq
, split
? "no" : "yes");
493 /* ------------------------------------------------------------------ */
494 /* IRQ handler + helpers */
496 static char *irqbits
[] = {
497 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
498 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
499 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
500 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
502 #define IRQBITS ARRAY_SIZE(irqbits)
504 static void print_irqstatus(struct saa7134_dev
*dev
, int loop
,
505 unsigned long report
, unsigned long status
)
509 printk(KERN_DEBUG
"%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
510 dev
->name
,loop
,jiffies
,report
,status
);
511 for (i
= 0; i
< IRQBITS
; i
++) {
512 if (!(report
& (1 << i
)))
514 printk(" %s",irqbits
[i
]);
516 if (report
& SAA7134_IRQ_REPORT_DONE_RA0
) {
517 printk(" | RA0=%s,%s,%s,%ld",
518 (status
& 0x40) ? "vbi" : "video",
519 (status
& 0x20) ? "b" : "a",
520 (status
& 0x10) ? "odd" : "even",
526 static irqreturn_t
saa7134_irq(int irq
, void *dev_id
)
528 struct saa7134_dev
*dev
= (struct saa7134_dev
*) dev_id
;
529 unsigned long report
,status
;
530 int loop
, handled
= 0;
535 for (loop
= 0; loop
< 10; loop
++) {
536 report
= saa_readl(SAA7134_IRQ_REPORT
);
537 status
= saa_readl(SAA7134_IRQ_STATUS
);
539 /* If dmasound support is active and we get a sound report,
540 * mask out the report and let the saa7134-alsa module deal
542 if ((report
& SAA7134_IRQ_REPORT_DONE_RA3
) &&
543 (dev
->dmasound
.priv_data
!= NULL
) )
546 printk(KERN_DEBUG
"%s/irq: preserving DMA sound interrupt\n",
548 report
&= ~SAA7134_IRQ_REPORT_DONE_RA3
;
553 printk(KERN_DEBUG
"%s/irq: no (more) work\n",
559 saa_writel(SAA7134_IRQ_REPORT
,report
);
561 print_irqstatus(dev
,loop
,report
,status
);
564 if ((report
& SAA7134_IRQ_REPORT_RDCAP
) ||
565 (report
& SAA7134_IRQ_REPORT_INTL
))
566 saa7134_irq_video_signalchange(dev
);
569 if ((report
& SAA7134_IRQ_REPORT_DONE_RA0
) &&
570 (status
& 0x60) == 0)
571 saa7134_irq_video_done(dev
,status
);
573 if ((report
& SAA7134_IRQ_REPORT_DONE_RA0
) &&
574 (status
& 0x40) == 0x40)
575 saa7134_irq_vbi_done(dev
,status
);
577 if ((report
& SAA7134_IRQ_REPORT_DONE_RA2
) &&
579 saa7134_irq_ts_done(dev
,status
);
581 if (report
& SAA7134_IRQ_REPORT_GPIO16
) {
582 switch (dev
->has_remote
) {
583 case SAA7134_REMOTE_GPIO
:
586 if (dev
->remote
->mask_keydown
& 0x10000) {
587 saa7134_input_irq(dev
);
591 case SAA7134_REMOTE_I2C
:
592 break; /* FIXME: invoke I2C get_key() */
594 default: /* GPIO16 not used by IR remote */
599 if (report
& SAA7134_IRQ_REPORT_GPIO18
) {
600 switch (dev
->has_remote
) {
601 case SAA7134_REMOTE_GPIO
:
604 if ((dev
->remote
->mask_keydown
& 0x40000) ||
605 (dev
->remote
->mask_keyup
& 0x40000)) {
606 saa7134_input_irq(dev
);
610 case SAA7134_REMOTE_I2C
:
611 break; /* FIXME: invoke I2C get_key() */
613 default: /* GPIO18 not used by IR remote */
620 print_irqstatus(dev
,loop
,report
,status
);
621 if (report
& SAA7134_IRQ_REPORT_PE
) {
622 /* disable all parity error */
623 printk(KERN_WARNING
"%s/irq: looping -- "
624 "clearing PE (parity error!) enable bit\n",dev
->name
);
625 saa_clearl(SAA7134_IRQ2
,SAA7134_IRQ2_INTE_PE
);
626 } else if (report
& SAA7134_IRQ_REPORT_GPIO16
) {
627 /* disable gpio16 IRQ */
628 printk(KERN_WARNING
"%s/irq: looping -- "
629 "clearing GPIO16 enable bit\n",dev
->name
);
630 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO16
);
631 } else if (report
& SAA7134_IRQ_REPORT_GPIO18
) {
632 /* disable gpio18 IRQs */
633 printk(KERN_WARNING
"%s/irq: looping -- "
634 "clearing GPIO18 enable bit\n",dev
->name
);
635 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO18
);
637 /* disable all irqs */
638 printk(KERN_WARNING
"%s/irq: looping -- "
639 "clearing all enable bits\n",dev
->name
);
640 saa_writel(SAA7134_IRQ1
,0);
641 saa_writel(SAA7134_IRQ2
,0);
646 return IRQ_RETVAL(handled
);
649 /* ------------------------------------------------------------------ */
651 /* early init (no i2c, no irq) */
653 static int saa7134_hw_enable1(struct saa7134_dev
*dev
)
655 /* RAM FIFO config */
656 saa_writel(SAA7134_FIFO_SIZE
, 0x08070503);
657 saa_writel(SAA7134_THRESHOULD
, 0x02020202);
659 /* enable audio + video processing */
660 saa_writel(SAA7134_MAIN_CTRL
,
661 SAA7134_MAIN_CTRL_VPLLE
|
662 SAA7134_MAIN_CTRL_APLLE
|
663 SAA7134_MAIN_CTRL_EXOSC
|
664 SAA7134_MAIN_CTRL_EVFE1
|
665 SAA7134_MAIN_CTRL_EVFE2
|
666 SAA7134_MAIN_CTRL_ESFE
|
667 SAA7134_MAIN_CTRL_EBDAC
);
670 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
671 * OSS initialization writes to registers via the audio DSP; these
672 * writes will fail unless the audio clock has been started. At worst,
673 * audio will not work.
676 /* enable peripheral devices */
677 saa_writeb(SAA7134_SPECIAL_MODE
, 0x01);
679 /* set vertical line numbering start (vbi needs this) */
680 saa_writeb(SAA7134_SOURCE_TIMING2
, 0x20);
685 static int saa7134_hwinit1(struct saa7134_dev
*dev
)
687 dprintk("hwinit1\n");
689 saa_writel(SAA7134_IRQ1
, 0);
690 saa_writel(SAA7134_IRQ2
, 0);
691 mutex_init(&dev
->lock
);
692 spin_lock_init(&dev
->slock
);
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
);
701 saa7134_hw_enable1(dev
);
706 /* late init (with i2c + irq) */
707 static int saa7134_hw_enable2(struct saa7134_dev
*dev
)
710 unsigned int irq2_mask
;
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
;
721 if (dev
->has_remote
== SAA7134_REMOTE_GPIO
&& dev
->remote
) {
722 if (dev
->remote
->mask_keydown
& 0x10000)
723 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO16
;
724 else if (dev
->remote
->mask_keydown
& 0x40000)
725 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO18
;
726 else if (dev
->remote
->mask_keyup
& 0x40000)
727 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO18A
;
730 saa_writel(SAA7134_IRQ1
, 0);
731 saa_writel(SAA7134_IRQ2
, irq2_mask
);
736 static int saa7134_hwinit2(struct saa7134_dev
*dev
)
739 dprintk("hwinit2\n");
741 saa7134_video_init2(dev
);
742 saa7134_tvaudio_init2(dev
);
744 saa7134_hw_enable2(dev
);
751 static int saa7134_hwfini(struct saa7134_dev
*dev
)
755 if (card_has_mpeg(dev
))
756 saa7134_ts_fini(dev
);
757 saa7134_input_fini(dev
);
758 saa7134_vbi_fini(dev
);
759 saa7134_tvaudio_fini(dev
);
763 static void __devinit
must_configure_manually(void)
769 "saa7134: Congratulations! Your TV card vendor saved a few\n"
770 "saa7134: cents for a eeprom, thus your pci board has no\n"
771 "saa7134: subsystem ID and I can't identify it automatically\n"
773 "saa7134: I feel better now. Ok, here are the good news:\n"
774 "saa7134: You can use the card=<nr> insmod option to specify\n"
775 "saa7134: which board do you have. The list:\n");
776 for (i
= 0; i
< saa7134_bcount
; i
++) {
777 printk(KERN_WARNING
"saa7134: card=%d -> %-40.40s",
778 i
,saa7134_boards
[i
].name
);
779 for (p
= 0; saa7134_pci_tbl
[p
].driver_data
; p
++) {
780 if (saa7134_pci_tbl
[p
].driver_data
!= i
)
783 saa7134_pci_tbl
[p
].subvendor
,
784 saa7134_pci_tbl
[p
].subdevice
);
790 static struct video_device
*vdev_init(struct saa7134_dev
*dev
,
791 struct video_device
*template,
794 struct video_device
*vfd
;
796 vfd
= video_device_alloc();
801 vfd
->parent
= &dev
->pci
->dev
;
802 vfd
->release
= video_device_release
;
803 vfd
->debug
= video_debug
;
804 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s %s (%s)",
805 dev
->name
, type
, saa7134_boards
[dev
->board
].name
);
809 static void saa7134_unregister_video(struct saa7134_dev
*dev
)
811 if (dev
->video_dev
) {
812 if (-1 != dev
->video_dev
->minor
)
813 video_unregister_device(dev
->video_dev
);
815 video_device_release(dev
->video_dev
);
816 dev
->video_dev
= NULL
;
819 if (-1 != dev
->vbi_dev
->minor
)
820 video_unregister_device(dev
->vbi_dev
);
822 video_device_release(dev
->vbi_dev
);
825 if (dev
->radio_dev
) {
826 if (-1 != dev
->radio_dev
->minor
)
827 video_unregister_device(dev
->radio_dev
);
829 video_device_release(dev
->radio_dev
);
830 dev
->radio_dev
= NULL
;
834 static void mpeg_ops_attach(struct saa7134_mpeg_ops
*ops
,
835 struct saa7134_dev
*dev
)
839 if (NULL
!= dev
->mops
)
841 if (saa7134_boards
[dev
->board
].mpeg
!= ops
->type
)
843 err
= ops
->init(dev
);
849 static void mpeg_ops_detach(struct saa7134_mpeg_ops
*ops
,
850 struct saa7134_dev
*dev
)
852 if (NULL
== dev
->mops
)
854 if (dev
->mops
!= ops
)
856 dev
->mops
->fini(dev
);
860 static int __devinit
saa7134_initdev(struct pci_dev
*pci_dev
,
861 const struct pci_device_id
*pci_id
)
863 struct saa7134_dev
*dev
;
864 struct saa7134_mpeg_ops
*mops
;
867 if (saa7134_devcount
== SAA7134_MAXBOARDS
)
870 dev
= kzalloc(sizeof(*dev
),GFP_KERNEL
);
876 if (pci_enable_device(pci_dev
)) {
881 dev
->nr
= saa7134_devcount
;
882 sprintf(dev
->name
,"saa%x[%d]",pci_dev
->device
,dev
->nr
);
885 if (pci_pci_problems
) {
886 if (pci_pci_problems
& PCIPCI_TRITON
)
887 printk(KERN_INFO
"%s: quirk: PCIPCI_TRITON\n", dev
->name
);
888 if (pci_pci_problems
& PCIPCI_NATOMA
)
889 printk(KERN_INFO
"%s: quirk: PCIPCI_NATOMA\n", dev
->name
);
890 if (pci_pci_problems
& PCIPCI_VIAETBF
)
891 printk(KERN_INFO
"%s: quirk: PCIPCI_VIAETBF\n", dev
->name
);
892 if (pci_pci_problems
& PCIPCI_VSFX
)
893 printk(KERN_INFO
"%s: quirk: PCIPCI_VSFX\n",dev
->name
);
894 #ifdef PCIPCI_ALIMAGIK
895 if (pci_pci_problems
& PCIPCI_ALIMAGIK
) {
896 printk(KERN_INFO
"%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
901 if (pci_pci_problems
& (PCIPCI_FAIL
|PCIAGP_FAIL
)) {
902 printk(KERN_INFO
"%s: quirk: this driver and your "
903 "chipset may not work together"
904 " in overlay mode.\n",dev
->name
);
905 if (!saa7134_no_overlay
) {
906 printk(KERN_INFO
"%s: quirk: overlay "
907 "mode will be disabled.\n",
909 saa7134_no_overlay
= 1;
911 printk(KERN_INFO
"%s: quirk: overlay "
912 "mode will be forced. Use this"
913 " option at your own risk.\n",
918 if (UNSET
!= latency
) {
919 printk(KERN_INFO
"%s: setting pci latency timer to %d\n",
921 pci_write_config_byte(pci_dev
, PCI_LATENCY_TIMER
, latency
);
925 pci_read_config_byte(pci_dev
, PCI_CLASS_REVISION
, &dev
->pci_rev
);
926 pci_read_config_byte(pci_dev
, PCI_LATENCY_TIMER
, &dev
->pci_lat
);
927 printk(KERN_INFO
"%s: found at %s, rev: %d, irq: %d, "
928 "latency: %d, mmio: 0x%llx\n", dev
->name
,
929 pci_name(pci_dev
), dev
->pci_rev
, pci_dev
->irq
,
930 dev
->pci_lat
,(unsigned long long)pci_resource_start(pci_dev
,0));
931 pci_set_master(pci_dev
);
932 if (!pci_dma_supported(pci_dev
, DMA_32BIT_MASK
)) {
933 printk("%s: Oops: no 32bit PCI DMA ???\n",dev
->name
);
939 dev
->board
= pci_id
->driver_data
;
940 if (card
[dev
->nr
] >= 0 &&
941 card
[dev
->nr
] < saa7134_bcount
)
942 dev
->board
= card
[dev
->nr
];
943 if (SAA7134_BOARD_NOAUTO
== dev
->board
) {
944 must_configure_manually();
945 dev
->board
= SAA7134_BOARD_UNKNOWN
;
947 dev
->autodetected
= card
[dev
->nr
] != dev
->board
;
948 dev
->tuner_type
= saa7134_boards
[dev
->board
].tuner_type
;
949 dev
->tuner_addr
= saa7134_boards
[dev
->board
].tuner_addr
;
950 dev
->tda9887_conf
= saa7134_boards
[dev
->board
].tda9887_conf
;
951 if (UNSET
!= tuner
[dev
->nr
])
952 dev
->tuner_type
= tuner
[dev
->nr
];
953 printk(KERN_INFO
"%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
954 dev
->name
,pci_dev
->subsystem_vendor
,
955 pci_dev
->subsystem_device
,saa7134_boards
[dev
->board
].name
,
956 dev
->board
, dev
->autodetected
?
957 "autodetected" : "insmod option");
960 if (!request_mem_region(pci_resource_start(pci_dev
,0),
961 pci_resource_len(pci_dev
,0),
964 printk(KERN_ERR
"%s: can't get MMIO memory @ 0x%llx\n",
965 dev
->name
,(unsigned long long)pci_resource_start(pci_dev
,0));
968 dev
->lmmio
= ioremap(pci_resource_start(pci_dev
,0), 0x1000);
969 dev
->bmmio
= (__u8 __iomem
*)dev
->lmmio
;
970 if (NULL
== dev
->lmmio
) {
972 printk(KERN_ERR
"%s: can't ioremap() MMIO memory\n",
977 /* initialize hardware #1 */
978 saa7134_board_init1(dev
);
979 saa7134_hwinit1(dev
);
982 err
= request_irq(pci_dev
->irq
, saa7134_irq
,
983 IRQF_SHARED
| IRQF_DISABLED
, dev
->name
, dev
);
985 printk(KERN_ERR
"%s: can't get IRQ %d\n",
986 dev
->name
,pci_dev
->irq
);
990 /* wait a bit, register i2c bus */
992 saa7134_i2c_register(dev
);
994 /* initialize hardware #2 */
995 if (TUNER_ABSENT
!= dev
->tuner_type
)
996 request_module("tuner");
997 saa7134_board_init2(dev
);
999 saa7134_hwinit2(dev
);
1001 /* load i2c helpers */
1002 if (card_is_empress(dev
)) {
1003 request_module("saa6752hs");
1006 request_submodules(dev
);
1008 v4l2_prio_init(&dev
->prio
);
1010 /* register v4l devices */
1011 if (saa7134_no_overlay
<= 0) {
1012 saa7134_video_template
.type
|= VID_TYPE_OVERLAY
;
1014 printk("%s: Overlay support disabled.\n",dev
->name
);
1016 dev
->video_dev
= vdev_init(dev
,&saa7134_video_template
,"video");
1017 err
= video_register_device(dev
->video_dev
,VFL_TYPE_GRABBER
,
1020 printk(KERN_INFO
"%s: can't register video device\n",
1024 printk(KERN_INFO
"%s: registered device video%d [v4l2]\n",
1025 dev
->name
,dev
->video_dev
->minor
& 0x1f);
1027 dev
->vbi_dev
= vdev_init(dev
, &saa7134_video_template
, "vbi");
1028 dev
->vbi_dev
->type
= VID_TYPE_TUNER
| VID_TYPE_TELETEXT
;
1030 err
= video_register_device(dev
->vbi_dev
,VFL_TYPE_VBI
,
1034 printk(KERN_INFO
"%s: registered device vbi%d\n",
1035 dev
->name
,dev
->vbi_dev
->minor
& 0x1f);
1037 if (card_has_radio(dev
)) {
1038 dev
->radio_dev
= vdev_init(dev
,&saa7134_radio_template
,"radio");
1039 err
= video_register_device(dev
->radio_dev
,VFL_TYPE_RADIO
,
1043 printk(KERN_INFO
"%s: registered device radio%d\n",
1044 dev
->name
,dev
->radio_dev
->minor
& 0x1f);
1047 /* everything worked */
1048 pci_set_drvdata(pci_dev
,dev
);
1051 mutex_lock(&devlist_lock
);
1052 list_for_each_entry(mops
, &mops_list
, next
)
1053 mpeg_ops_attach(mops
, dev
);
1054 list_add_tail(&dev
->devlist
,&saa7134_devlist
);
1055 mutex_unlock(&devlist_lock
);
1057 /* check for signal */
1058 saa7134_irq_video_signalchange(dev
);
1060 if (saa7134_dmasound_init
&& !dev
->dmasound
.priv_data
) {
1061 saa7134_dmasound_init(dev
);
1064 if (TUNER_ABSENT
!= dev
->tuner_type
)
1065 saa7134_i2c_call_clients(dev
, TUNER_SET_STANDBY
, NULL
);
1070 saa7134_unregister_video(dev
);
1071 saa7134_i2c_unregister(dev
);
1072 free_irq(pci_dev
->irq
, dev
);
1074 saa7134_hwfini(dev
);
1075 iounmap(dev
->lmmio
);
1077 release_mem_region(pci_resource_start(pci_dev
,0),
1078 pci_resource_len(pci_dev
,0));
1084 static void __devexit
saa7134_finidev(struct pci_dev
*pci_dev
)
1086 struct saa7134_dev
*dev
= pci_get_drvdata(pci_dev
);
1087 struct saa7134_mpeg_ops
*mops
;
1089 /* Release DMA sound modules if present */
1090 if (saa7134_dmasound_exit
&& dev
->dmasound
.priv_data
) {
1091 saa7134_dmasound_exit(dev
);
1096 u32 report
= saa_readl(SAA7134_IRQ_REPORT
);
1097 u32 status
= saa_readl(SAA7134_IRQ_STATUS
);
1098 print_irqstatus(dev
,42,report
,status
);
1101 /* disable peripheral devices */
1102 saa_writeb(SAA7134_SPECIAL_MODE
,0);
1104 /* shutdown hardware */
1105 saa_writel(SAA7134_IRQ1
,0);
1106 saa_writel(SAA7134_IRQ2
,0);
1107 saa_writel(SAA7134_MAIN_CTRL
,0);
1109 /* shutdown subsystems */
1110 saa7134_hwfini(dev
);
1113 mutex_lock(&devlist_lock
);
1114 list_del(&dev
->devlist
);
1115 list_for_each_entry(mops
, &mops_list
, next
)
1116 mpeg_ops_detach(mops
, dev
);
1117 mutex_unlock(&devlist_lock
);
1120 saa7134_i2c_unregister(dev
);
1121 saa7134_unregister_video(dev
);
1124 /* the DMA sound modules should be unloaded before reaching
1125 this, but just in case they are still present... */
1126 if (dev
->dmasound
.priv_data
!= NULL
) {
1127 free_irq(pci_dev
->irq
, &dev
->dmasound
);
1128 dev
->dmasound
.priv_data
= NULL
;
1132 /* release resources */
1133 free_irq(pci_dev
->irq
, dev
);
1134 iounmap(dev
->lmmio
);
1135 release_mem_region(pci_resource_start(pci_dev
,0),
1136 pci_resource_len(pci_dev
,0));
1138 pci_set_drvdata(pci_dev
, NULL
);
1145 static int saa7134_suspend(struct pci_dev
*pci_dev
, pm_message_t state
)
1148 struct saa7134_dev
*dev
= pci_get_drvdata(pci_dev
);
1150 /* disable overlay - apps should enable it explicitly on resume*/
1153 /* Disable interrupts, DMA, and rest of the chip*/
1154 saa_writel(SAA7134_IRQ1
, 0);
1155 saa_writel(SAA7134_IRQ2
, 0);
1156 saa_writel(SAA7134_MAIN_CTRL
, 0);
1159 synchronize_irq(pci_dev
->irq
);
1161 /* ACK interrupts once more, just in case,
1162 since the IRQ handler won't ack them anymore*/
1164 saa_writel(SAA7134_IRQ_REPORT
, saa_readl(SAA7134_IRQ_REPORT
));
1166 /* Disable timeout timers - if we have active buffers, we will
1167 fill them on resume*/
1169 del_timer(&dev
->video_q
.timeout
);
1170 del_timer(&dev
->vbi_q
.timeout
);
1171 del_timer(&dev
->ts_q
.timeout
);
1174 saa7134_ir_stop(dev
);
1176 pci_save_state(pci_dev
);
1177 pci_set_power_state(pci_dev
, pci_choose_state(pci_dev
, state
));
1182 static int saa7134_resume(struct pci_dev
*pci_dev
)
1184 struct saa7134_dev
*dev
= pci_get_drvdata(pci_dev
);
1185 unsigned long flags
;
1187 pci_set_power_state(pci_dev
, PCI_D0
);
1188 pci_restore_state(pci_dev
);
1190 /* Do things that are done in saa7134_initdev ,
1191 except of initializing memory structures.*/
1193 saa7134_board_init1(dev
);
1195 /* saa7134_hwinit1 */
1196 if (saa7134_boards
[dev
->board
].video_out
)
1197 saa7134_videoport_init(dev
);
1198 if (card_has_mpeg(dev
))
1199 saa7134_ts_init_hw(dev
);
1201 saa7134_ir_start(dev
, dev
->remote
);
1202 saa7134_hw_enable1(dev
);
1206 saa7134_board_init2(dev
);
1209 saa7134_set_tvnorm_hw(dev
);
1210 saa7134_tvaudio_setmute(dev
);
1211 saa7134_tvaudio_setvolume(dev
, dev
->ctl_volume
);
1212 saa7134_tvaudio_init(dev
);
1213 saa7134_tvaudio_do_scan(dev
);
1214 saa7134_enable_i2s(dev
);
1215 saa7134_hw_enable2(dev
);
1217 saa7134_irq_video_signalchange(dev
);
1219 /*resume unfinished buffer(s)*/
1220 spin_lock_irqsave(&dev
->slock
, flags
);
1221 saa7134_buffer_requeue(dev
, &dev
->video_q
);
1222 saa7134_buffer_requeue(dev
, &dev
->vbi_q
);
1223 saa7134_buffer_requeue(dev
, &dev
->ts_q
);
1225 /* FIXME: Disable DMA audio sound - temporary till proper support
1228 dev
->dmasound
.dma_running
= 0;
1233 saa7134_set_dmabits(dev
);
1234 spin_unlock_irqrestore(&dev
->slock
, flags
);
1240 /* ----------------------------------------------------------- */
1242 int saa7134_ts_register(struct saa7134_mpeg_ops
*ops
)
1244 struct saa7134_dev
*dev
;
1246 mutex_lock(&devlist_lock
);
1247 list_for_each_entry(dev
, &saa7134_devlist
, devlist
)
1248 mpeg_ops_attach(ops
, dev
);
1249 list_add_tail(&ops
->next
,&mops_list
);
1250 mutex_unlock(&devlist_lock
);
1254 void saa7134_ts_unregister(struct saa7134_mpeg_ops
*ops
)
1256 struct saa7134_dev
*dev
;
1258 mutex_lock(&devlist_lock
);
1259 list_del(&ops
->next
);
1260 list_for_each_entry(dev
, &saa7134_devlist
, devlist
)
1261 mpeg_ops_detach(ops
, dev
);
1262 mutex_unlock(&devlist_lock
);
1265 EXPORT_SYMBOL(saa7134_ts_register
);
1266 EXPORT_SYMBOL(saa7134_ts_unregister
);
1268 /* ----------------------------------------------------------- */
1270 static struct pci_driver saa7134_pci_driver
= {
1272 .id_table
= saa7134_pci_tbl
,
1273 .probe
= saa7134_initdev
,
1274 .remove
= __devexit_p(saa7134_finidev
),
1276 .suspend
= saa7134_suspend
,
1277 .resume
= saa7134_resume
1281 static int saa7134_init(void)
1283 INIT_LIST_HEAD(&saa7134_devlist
);
1284 printk(KERN_INFO
"saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1285 (SAA7134_VERSION_CODE
>> 16) & 0xff,
1286 (SAA7134_VERSION_CODE
>> 8) & 0xff,
1287 SAA7134_VERSION_CODE
& 0xff);
1289 printk(KERN_INFO
"saa7130/34: snapshot date %04d-%02d-%02d\n",
1290 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
1292 return pci_register_driver(&saa7134_pci_driver
);
1295 static void saa7134_fini(void)
1297 pci_unregister_driver(&saa7134_pci_driver
);
1300 module_init(saa7134_init
);
1301 module_exit(saa7134_fini
);
1303 /* ----------------------------------------------------------- */
1305 EXPORT_SYMBOL(saa7134_set_gpio
);
1306 EXPORT_SYMBOL(saa7134_i2c_call_clients
);
1307 EXPORT_SYMBOL(saa7134_devlist
);
1308 EXPORT_SYMBOL(saa7134_boards
);
1310 /* ----------------- for the DMA sound modules --------------- */
1312 EXPORT_SYMBOL(saa7134_dmasound_init
);
1313 EXPORT_SYMBOL(saa7134_dmasound_exit
);
1314 EXPORT_SYMBOL(saa7134_pgtable_free
);
1315 EXPORT_SYMBOL(saa7134_pgtable_build
);
1316 EXPORT_SYMBOL(saa7134_pgtable_alloc
);
1317 EXPORT_SYMBOL(saa7134_set_dmabits
);
1319 /* ----------------------------------------------------------- */