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/moduleparam.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/kmod.h>
30 #include <linux/sound.h>
31 #include <linux/interrupt.h>
32 #include <linux/delay.h>
33 #include <linux/mutex.h>
34 #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
= 0;
46 module_param(irq_debug
, int, 0644);
47 MODULE_PARM_DESC(irq_debug
,"enable debug messages [IRQ handler]");
49 static unsigned int core_debug
= 0;
50 module_param(core_debug
, int, 0644);
51 MODULE_PARM_DESC(core_debug
,"enable debug messages [core]");
53 static unsigned int gpio_tracking
= 0;
54 module_param(gpio_tracking
, int, 0644);
55 MODULE_PARM_DESC(gpio_tracking
,"enable debug messages [gpio]");
57 static unsigned int alsa
= 0;
58 module_param(alsa
, int, 0644);
59 MODULE_PARM_DESC(alsa
,"enable ALSA DMA sound [dmasound]");
61 static unsigned int oss
= 0;
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 /* ------------------------------------------------------------------ */
123 /* ----------------------------------------------------------- */
124 /* delayed request_module */
126 #if defined(CONFIG_MODULES) && defined(MODULE)
127 static int need_empress
;
129 static int need_alsa
;
132 static int pending_call(struct notifier_block
*self
, unsigned long state
,
135 if (module
!= THIS_MODULE
|| state
!= MODULE_STATE_LIVE
)
139 request_module("saa7134-empress");
141 request_module("saa7134-dvb");
143 request_module("saa7134-alsa");
145 request_module("saa7134-oss");
149 static int pending_registered
;
150 static struct notifier_block pending_notifier
= {
151 .notifier_call
= pending_call
,
154 static void request_module_depend(char *name
, int *flag
)
157 switch (THIS_MODULE
->state
) {
158 case MODULE_STATE_COMING
:
159 if (!pending_registered
) {
160 err
= register_module_notifier(&pending_notifier
);
161 pending_registered
= 1;
165 case MODULE_STATE_LIVE
:
166 request_module(name
);
175 #define request_module_depend(name,flag)
176 #endif /* CONFIG_MODULES */
178 /* ------------------------------------------------------------------ */
180 /* nr of (saa7134-)pages for the given buffer size */
181 static int saa7134_buffer_pages(int size
)
183 size
= PAGE_ALIGN(size
);
184 size
+= PAGE_SIZE
; /* for non-page-aligned buffers */
189 /* calc max # of buffers from size (must not exceed the 4MB virtual
190 * address space per DMA channel) */
191 int saa7134_buffer_count(unsigned int size
, unsigned int count
)
193 unsigned int maxcount
;
195 maxcount
= 1024 / saa7134_buffer_pages(size
);
196 if (count
> maxcount
)
201 int saa7134_buffer_startpage(struct saa7134_buf
*buf
)
203 return saa7134_buffer_pages(buf
->vb
.bsize
) * buf
->vb
.i
;
206 unsigned long saa7134_buffer_base(struct saa7134_buf
*buf
)
210 base
= saa7134_buffer_startpage(buf
) * 4096;
211 base
+= buf
->vb
.dma
.sglist
[0].offset
;
215 /* ------------------------------------------------------------------ */
217 int saa7134_pgtable_alloc(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
)
222 cpu
= pci_alloc_consistent(pci
, SAA7134_PGTABLE_SIZE
, &dma_addr
);
225 pt
->size
= SAA7134_PGTABLE_SIZE
;
231 int saa7134_pgtable_build(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
,
232 struct scatterlist
*list
, unsigned int length
,
233 unsigned int startpage
)
238 BUG_ON(NULL
== pt
|| NULL
== pt
->cpu
);
240 ptr
= pt
->cpu
+ startpage
;
241 for (i
= 0; i
< length
; i
++, list
++)
242 for (p
= 0; p
* 4096 < list
->length
; p
++, ptr
++)
243 *ptr
= cpu_to_le32(sg_dma_address(list
) - list
->offset
);
247 void saa7134_pgtable_free(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
)
251 pci_free_consistent(pci
, pt
->size
, pt
->cpu
, pt
->dma
);
255 /* ------------------------------------------------------------------ */
257 void saa7134_dma_free(struct videobuf_queue
*q
,struct saa7134_buf
*buf
)
259 BUG_ON(in_interrupt());
261 videobuf_waiton(&buf
->vb
,0,0);
262 videobuf_dma_unmap(q
, &buf
->vb
.dma
);
263 videobuf_dma_free(&buf
->vb
.dma
);
264 buf
->vb
.state
= STATE_NEEDS_INIT
;
267 /* ------------------------------------------------------------------ */
269 int saa7134_buffer_queue(struct saa7134_dev
*dev
,
270 struct saa7134_dmaqueue
*q
,
271 struct saa7134_buf
*buf
)
273 struct saa7134_buf
*next
= NULL
;
275 assert_spin_locked(&dev
->slock
);
276 dprintk("buffer_queue %p\n",buf
);
277 if (NULL
== q
->curr
) {
280 buf
->activate(dev
,buf
,NULL
);
281 } else if (list_empty(&q
->queue
)) {
282 list_add_tail(&buf
->vb
.queue
,&q
->queue
);
283 buf
->vb
.state
= STATE_QUEUED
;
285 next
= list_entry(q
->queue
.next
,struct saa7134_buf
,
288 buf
->activate(dev
,buf
,next
);
291 list_add_tail(&buf
->vb
.queue
,&q
->queue
);
292 buf
->vb
.state
= STATE_QUEUED
;
297 void saa7134_buffer_finish(struct saa7134_dev
*dev
,
298 struct saa7134_dmaqueue
*q
,
301 assert_spin_locked(&dev
->slock
);
302 dprintk("buffer_finish %p\n",q
->curr
);
304 /* finish current buffer */
305 q
->curr
->vb
.state
= state
;
306 do_gettimeofday(&q
->curr
->vb
.ts
);
307 wake_up(&q
->curr
->vb
.done
);
311 void saa7134_buffer_next(struct saa7134_dev
*dev
,
312 struct saa7134_dmaqueue
*q
)
314 struct saa7134_buf
*buf
,*next
= NULL
;
316 assert_spin_locked(&dev
->slock
);
317 BUG_ON(NULL
!= q
->curr
);
319 if (!list_empty(&q
->queue
)) {
320 /* activate next one from queue */
321 buf
= list_entry(q
->queue
.next
,struct saa7134_buf
,vb
.queue
);
322 dprintk("buffer_next %p [prev=%p/next=%p]\n",
323 buf
,q
->queue
.prev
,q
->queue
.next
);
324 list_del(&buf
->vb
.queue
);
325 if (!list_empty(&q
->queue
))
326 next
= list_entry(q
->queue
.next
,struct saa7134_buf
,
329 buf
->activate(dev
,buf
,next
);
330 dprintk("buffer_next #2 prev=%p/next=%p\n",
331 q
->queue
.prev
,q
->queue
.next
);
333 /* nothing to do -- just stop DMA */
334 dprintk("buffer_next %p\n",NULL
);
335 saa7134_set_dmabits(dev
);
336 del_timer(&q
->timeout
);
340 void saa7134_buffer_timeout(unsigned long data
)
342 struct saa7134_dmaqueue
*q
= (struct saa7134_dmaqueue
*)data
;
343 struct saa7134_dev
*dev
= q
->dev
;
346 spin_lock_irqsave(&dev
->slock
,flags
);
348 /* try to reset the hardware (SWRST) */
349 saa_writeb(SAA7134_REGION_ENABLE
, 0x00);
350 saa_writeb(SAA7134_REGION_ENABLE
, 0x80);
351 saa_writeb(SAA7134_REGION_ENABLE
, 0x00);
353 /* flag current buffer as failed,
354 try to start over with the next one. */
356 dprintk("timeout on %p\n",q
->curr
);
357 saa7134_buffer_finish(dev
,q
,STATE_ERROR
);
359 saa7134_buffer_next(dev
,q
);
360 spin_unlock_irqrestore(&dev
->slock
,flags
);
363 /* ------------------------------------------------------------------ */
365 int saa7134_set_dmabits(struct saa7134_dev
*dev
)
367 u32 split
, task
=0, ctrl
=0, irq
=0;
368 enum v4l2_field cap
= V4L2_FIELD_ANY
;
369 enum v4l2_field ov
= V4L2_FIELD_ANY
;
371 assert_spin_locked(&dev
->slock
);
373 /* video capture -- dma 0 + video task A */
374 if (dev
->video_q
.curr
) {
376 ctrl
|= SAA7134_MAIN_CTRL_TE0
;
377 irq
|= SAA7134_IRQ1_INTE_RA0_1
|
378 SAA7134_IRQ1_INTE_RA0_0
;
379 cap
= dev
->video_q
.curr
->vb
.field
;
382 /* video capture -- dma 1+2 (planar modes) */
383 if (dev
->video_q
.curr
&&
384 dev
->video_q
.curr
->fmt
->planar
) {
385 ctrl
|= SAA7134_MAIN_CTRL_TE4
|
386 SAA7134_MAIN_CTRL_TE5
;
389 /* screen overlay -- dma 0 + video task B */
392 ctrl
|= SAA7134_MAIN_CTRL_TE1
;
396 /* vbi capture -- dma 0 + vbi task A+B */
397 if (dev
->vbi_q
.curr
) {
399 ctrl
|= SAA7134_MAIN_CTRL_TE2
|
400 SAA7134_MAIN_CTRL_TE3
;
401 irq
|= SAA7134_IRQ1_INTE_RA0_7
|
402 SAA7134_IRQ1_INTE_RA0_6
|
403 SAA7134_IRQ1_INTE_RA0_5
|
404 SAA7134_IRQ1_INTE_RA0_4
;
407 /* audio capture -- dma 3 */
408 if (dev
->dmasound
.dma_running
) {
409 ctrl
|= SAA7134_MAIN_CTRL_TE6
;
410 irq
|= SAA7134_IRQ1_INTE_RA3_1
|
411 SAA7134_IRQ1_INTE_RA3_0
;
414 /* TS capture -- dma 5 */
415 if (dev
->ts_q
.curr
) {
416 ctrl
|= SAA7134_MAIN_CTRL_TE5
;
417 irq
|= SAA7134_IRQ1_INTE_RA2_3
|
418 SAA7134_IRQ1_INTE_RA2_2
|
419 SAA7134_IRQ1_INTE_RA2_1
|
420 SAA7134_IRQ1_INTE_RA2_0
;
423 /* set task conditions + field handling */
424 if (V4L2_FIELD_HAS_BOTH(cap
) || V4L2_FIELD_HAS_BOTH(ov
) || cap
== ov
) {
425 /* default config -- use full frames */
426 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0d);
427 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0d);
428 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A
), 0x02);
429 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B
), 0x02);
432 /* split fields between tasks */
433 if (V4L2_FIELD_TOP
== cap
) {
434 /* odd A, even B, repeat */
435 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0d);
436 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0e);
438 /* odd B, even A, repeat */
439 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0e);
440 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0d);
442 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A
), 0x01);
443 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B
), 0x01);
448 saa_writeb(SAA7134_REGION_ENABLE
, task
);
449 saa_writel(SAA7134_IRQ1
, irq
);
450 saa_andorl(SAA7134_MAIN_CTRL
,
451 SAA7134_MAIN_CTRL_TE0
|
452 SAA7134_MAIN_CTRL_TE1
|
453 SAA7134_MAIN_CTRL_TE2
|
454 SAA7134_MAIN_CTRL_TE3
|
455 SAA7134_MAIN_CTRL_TE4
|
456 SAA7134_MAIN_CTRL_TE5
|
457 SAA7134_MAIN_CTRL_TE6
,
459 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
460 task
, ctrl
, irq
, split
? "no" : "yes");
465 /* ------------------------------------------------------------------ */
466 /* IRQ handler + helpers */
468 static char *irqbits
[] = {
469 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
470 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
471 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
472 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
474 #define IRQBITS ARRAY_SIZE(irqbits)
476 static void print_irqstatus(struct saa7134_dev
*dev
, int loop
,
477 unsigned long report
, unsigned long status
)
481 printk(KERN_DEBUG
"%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
482 dev
->name
,loop
,jiffies
,report
,status
);
483 for (i
= 0; i
< IRQBITS
; i
++) {
484 if (!(report
& (1 << i
)))
486 printk(" %s",irqbits
[i
]);
488 if (report
& SAA7134_IRQ_REPORT_DONE_RA0
) {
489 printk(" | RA0=%s,%s,%s,%ld",
490 (status
& 0x40) ? "vbi" : "video",
491 (status
& 0x20) ? "b" : "a",
492 (status
& 0x10) ? "odd" : "even",
498 static irqreturn_t
saa7134_irq(int irq
, void *dev_id
, struct pt_regs
*regs
)
500 struct saa7134_dev
*dev
= (struct saa7134_dev
*) dev_id
;
501 unsigned long report
,status
;
502 int loop
, handled
= 0;
504 for (loop
= 0; loop
< 10; loop
++) {
505 report
= saa_readl(SAA7134_IRQ_REPORT
);
506 status
= saa_readl(SAA7134_IRQ_STATUS
);
509 printk(KERN_DEBUG
"%s/irq: no (more) work\n",
514 /* If dmasound support is active and we get a sound report, exit
515 and let the saa7134-alsa/oss module deal with it */
517 if ((report
& SAA7134_IRQ_REPORT_DONE_RA3
) &&
518 (dev
->dmasound
.priv_data
!= NULL
) )
521 printk(KERN_DEBUG
"%s/irq: ignoring interrupt for DMA sound\n",
527 saa_writel(SAA7134_IRQ_REPORT
,report
);
529 print_irqstatus(dev
,loop
,report
,status
);
532 if (report
& SAA7134_IRQ_REPORT_RDCAP
/* _INTL */)
533 saa7134_irq_video_intl(dev
);
535 if ((report
& SAA7134_IRQ_REPORT_DONE_RA0
) &&
536 (status
& 0x60) == 0)
537 saa7134_irq_video_done(dev
,status
);
539 if ((report
& SAA7134_IRQ_REPORT_DONE_RA0
) &&
540 (status
& 0x40) == 0x40)
541 saa7134_irq_vbi_done(dev
,status
);
543 if ((report
& SAA7134_IRQ_REPORT_DONE_RA2
) &&
545 saa7134_irq_ts_done(dev
,status
);
547 if (report
& SAA7134_IRQ_REPORT_GPIO16
) {
548 switch (dev
->has_remote
) {
549 case SAA7134_REMOTE_GPIO
:
552 if (dev
->remote
->mask_keydown
& 0x10000) {
553 saa7134_input_irq(dev
);
557 case SAA7134_REMOTE_I2C
:
558 break; /* FIXME: invoke I2C get_key() */
560 default: /* GPIO16 not used by IR remote */
565 if (report
& SAA7134_IRQ_REPORT_GPIO18
) {
566 switch (dev
->has_remote
) {
567 case SAA7134_REMOTE_GPIO
:
570 if ((dev
->remote
->mask_keydown
& 0x40000) ||
571 (dev
->remote
->mask_keyup
& 0x40000)) {
572 saa7134_input_irq(dev
);
576 case SAA7134_REMOTE_I2C
:
577 break; /* FIXME: invoke I2C get_key() */
579 default: /* GPIO18 not used by IR remote */
586 print_irqstatus(dev
,loop
,report
,status
);
587 if (report
& SAA7134_IRQ_REPORT_PE
) {
588 /* disable all parity error */
589 printk(KERN_WARNING
"%s/irq: looping -- "
590 "clearing PE (parity error!) enable bit\n",dev
->name
);
591 saa_clearl(SAA7134_IRQ2
,SAA7134_IRQ2_INTE_PE
);
592 } else if (report
& SAA7134_IRQ_REPORT_GPIO16
) {
593 /* disable gpio16 IRQ */
594 printk(KERN_WARNING
"%s/irq: looping -- "
595 "clearing GPIO16 enable bit\n",dev
->name
);
596 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO16
);
597 } else if (report
& SAA7134_IRQ_REPORT_GPIO18
) {
598 /* disable gpio18 IRQs */
599 printk(KERN_WARNING
"%s/irq: looping -- "
600 "clearing GPIO18 enable bit\n",dev
->name
);
601 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO18
);
603 /* disable all irqs */
604 printk(KERN_WARNING
"%s/irq: looping -- "
605 "clearing all enable bits\n",dev
->name
);
606 saa_writel(SAA7134_IRQ1
,0);
607 saa_writel(SAA7134_IRQ2
,0);
612 return IRQ_RETVAL(handled
);
615 /* ------------------------------------------------------------------ */
617 /* early init (no i2c, no irq) */
618 static int saa7134_hwinit1(struct saa7134_dev
*dev
)
620 dprintk("hwinit1\n");
622 saa_writel(SAA7134_IRQ1
, 0);
623 saa_writel(SAA7134_IRQ2
, 0);
624 mutex_init(&dev
->lock
);
625 spin_lock_init(&dev
->slock
);
627 saa7134_track_gpio(dev
,"pre-init");
628 saa7134_video_init1(dev
);
629 saa7134_vbi_init1(dev
);
630 if (card_has_mpeg(dev
))
631 saa7134_ts_init1(dev
);
632 saa7134_input_init1(dev
);
634 /* RAM FIFO config */
635 saa_writel(SAA7134_FIFO_SIZE
, 0x08070503);
636 saa_writel(SAA7134_THRESHOULD
,0x02020202);
638 /* enable audio + video processing */
639 saa_writel(SAA7134_MAIN_CTRL
,
640 SAA7134_MAIN_CTRL_VPLLE
|
641 SAA7134_MAIN_CTRL_APLLE
|
642 SAA7134_MAIN_CTRL_EXOSC
|
643 SAA7134_MAIN_CTRL_EVFE1
|
644 SAA7134_MAIN_CTRL_EVFE2
|
645 SAA7134_MAIN_CTRL_ESFE
|
646 SAA7134_MAIN_CTRL_EBDAC
);
649 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
650 * OSS initialization writes to registers via the audio DSP; these
651 * writes will fail unless the audio clock has been started. At worst,
652 * audio will not work.
655 /* enable peripheral devices */
656 saa_writeb(SAA7134_SPECIAL_MODE
, 0x01);
658 /* set vertical line numbering start (vbi needs this) */
659 saa_writeb(SAA7134_SOURCE_TIMING2
, 0x20);
664 /* late init (with i2c + irq) */
665 static int saa7134_hwinit2(struct saa7134_dev
*dev
)
667 unsigned int irq2_mask
;
668 dprintk("hwinit2\n");
670 saa7134_video_init2(dev
);
671 saa7134_tvaudio_init2(dev
);
675 SAA7134_IRQ2_INTE_DEC3
|
676 SAA7134_IRQ2_INTE_DEC2
|
677 SAA7134_IRQ2_INTE_DEC1
|
678 SAA7134_IRQ2_INTE_DEC0
|
679 SAA7134_IRQ2_INTE_PE
|
680 SAA7134_IRQ2_INTE_AR
;
682 if (dev
->has_remote
== SAA7134_REMOTE_GPIO
&& dev
->remote
) {
683 if (dev
->remote
->mask_keydown
& 0x10000)
684 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO16
;
685 else if (dev
->remote
->mask_keydown
& 0x40000)
686 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO18
;
687 else if (dev
->remote
->mask_keyup
& 0x40000)
688 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO18A
;
691 saa_writel(SAA7134_IRQ1
, 0);
692 saa_writel(SAA7134_IRQ2
, irq2_mask
);
698 static int saa7134_hwfini(struct saa7134_dev
*dev
)
702 if (card_has_mpeg(dev
))
703 saa7134_ts_fini(dev
);
704 saa7134_input_fini(dev
);
705 saa7134_vbi_fini(dev
);
706 saa7134_video_fini(dev
);
707 saa7134_tvaudio_fini(dev
);
711 static void __devinit
must_configure_manually(void)
717 "saa7134: Congratulations! Your TV card vendor saved a few\n"
718 "saa7134: cents for a eeprom, thus your pci board has no\n"
719 "saa7134: subsystem ID and I can't identify it automatically\n"
721 "saa7134: I feel better now. Ok, here are the good news:\n"
722 "saa7134: You can use the card=<nr> insmod option to specify\n"
723 "saa7134: which board do you have. The list:\n");
724 for (i
= 0; i
< saa7134_bcount
; i
++) {
725 printk(KERN_WARNING
"saa7134: card=%d -> %-40.40s",
726 i
,saa7134_boards
[i
].name
);
727 for (p
= 0; saa7134_pci_tbl
[p
].driver_data
; p
++) {
728 if (saa7134_pci_tbl
[p
].driver_data
!= i
)
731 saa7134_pci_tbl
[p
].subvendor
,
732 saa7134_pci_tbl
[p
].subdevice
);
738 static struct video_device
*vdev_init(struct saa7134_dev
*dev
,
739 struct video_device
*template,
742 struct video_device
*vfd
;
744 vfd
= video_device_alloc();
749 vfd
->dev
= &dev
->pci
->dev
;
750 vfd
->release
= video_device_release
;
751 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s %s (%s)",
752 dev
->name
, type
, saa7134_boards
[dev
->board
].name
);
756 static void saa7134_unregister_video(struct saa7134_dev
*dev
)
758 if (dev
->video_dev
) {
759 if (-1 != dev
->video_dev
->minor
)
760 video_unregister_device(dev
->video_dev
);
762 video_device_release(dev
->video_dev
);
763 dev
->video_dev
= NULL
;
766 if (-1 != dev
->vbi_dev
->minor
)
767 video_unregister_device(dev
->vbi_dev
);
769 video_device_release(dev
->vbi_dev
);
772 if (dev
->radio_dev
) {
773 if (-1 != dev
->radio_dev
->minor
)
774 video_unregister_device(dev
->radio_dev
);
776 video_device_release(dev
->radio_dev
);
777 dev
->radio_dev
= NULL
;
781 static void mpeg_ops_attach(struct saa7134_mpeg_ops
*ops
,
782 struct saa7134_dev
*dev
)
786 if (NULL
!= dev
->mops
)
788 if (saa7134_boards
[dev
->board
].mpeg
!= ops
->type
)
790 err
= ops
->init(dev
);
796 static void mpeg_ops_detach(struct saa7134_mpeg_ops
*ops
,
797 struct saa7134_dev
*dev
)
799 if (NULL
== dev
->mops
)
801 if (dev
->mops
!= ops
)
803 dev
->mops
->fini(dev
);
807 static int __devinit
saa7134_initdev(struct pci_dev
*pci_dev
,
808 const struct pci_device_id
*pci_id
)
810 struct saa7134_dev
*dev
;
811 struct list_head
*item
;
812 struct saa7134_mpeg_ops
*mops
;
815 dev
= kzalloc(sizeof(*dev
),GFP_KERNEL
);
821 if (pci_enable_device(pci_dev
)) {
826 dev
->nr
= saa7134_devcount
;
827 sprintf(dev
->name
,"saa%x[%d]",pci_dev
->device
,dev
->nr
);
830 if (pci_pci_problems
) {
831 if (pci_pci_problems
& PCIPCI_TRITON
)
832 printk(KERN_INFO
"%s: quirk: PCIPCI_TRITON\n", dev
->name
);
833 if (pci_pci_problems
& PCIPCI_NATOMA
)
834 printk(KERN_INFO
"%s: quirk: PCIPCI_NATOMA\n", dev
->name
);
835 if (pci_pci_problems
& PCIPCI_VIAETBF
)
836 printk(KERN_INFO
"%s: quirk: PCIPCI_VIAETBF\n", dev
->name
);
837 if (pci_pci_problems
& PCIPCI_VSFX
)
838 printk(KERN_INFO
"%s: quirk: PCIPCI_VSFX\n",dev
->name
);
839 #ifdef PCIPCI_ALIMAGIK
840 if (pci_pci_problems
& PCIPCI_ALIMAGIK
) {
841 printk(KERN_INFO
"%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
846 if (pci_pci_problems
& PCIPCI_FAIL
) {
847 printk(KERN_INFO
"%s: quirk: this driver and your "
848 "chipset may not work together"
849 " in overlay mode.\n",dev
->name
);
850 if (!saa7134_no_overlay
) {
851 printk(KERN_INFO
"%s: quirk: overlay "
852 "mode will be disabled.\n",
854 saa7134_no_overlay
= 1;
856 printk(KERN_INFO
"%s: quirk: overlay "
857 "mode will be forced. Use this"
858 " option at your own risk.\n",
863 if (UNSET
!= latency
) {
864 printk(KERN_INFO
"%s: setting pci latency timer to %d\n",
866 pci_write_config_byte(pci_dev
, PCI_LATENCY_TIMER
, latency
);
870 pci_read_config_byte(pci_dev
, PCI_CLASS_REVISION
, &dev
->pci_rev
);
871 pci_read_config_byte(pci_dev
, PCI_LATENCY_TIMER
, &dev
->pci_lat
);
872 printk(KERN_INFO
"%s: found at %s, rev: %d, irq: %d, "
873 "latency: %d, mmio: 0x%llx\n", dev
->name
,
874 pci_name(pci_dev
), dev
->pci_rev
, pci_dev
->irq
,
875 dev
->pci_lat
,(unsigned long long)pci_resource_start(pci_dev
,0));
876 pci_set_master(pci_dev
);
877 if (!pci_dma_supported(pci_dev
, DMA_32BIT_MASK
)) {
878 printk("%s: Oops: no 32bit PCI DMA ???\n",dev
->name
);
884 dev
->board
= pci_id
->driver_data
;
885 if (card
[dev
->nr
] >= 0 &&
886 card
[dev
->nr
] < saa7134_bcount
)
887 dev
->board
= card
[dev
->nr
];
888 if (SAA7134_BOARD_NOAUTO
== dev
->board
) {
889 must_configure_manually();
890 dev
->board
= SAA7134_BOARD_UNKNOWN
;
892 dev
->tuner_type
= saa7134_boards
[dev
->board
].tuner_type
;
893 dev
->tda9887_conf
= saa7134_boards
[dev
->board
].tda9887_conf
;
894 if (UNSET
!= tuner
[dev
->nr
])
895 dev
->tuner_type
= tuner
[dev
->nr
];
896 printk(KERN_INFO
"%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
897 dev
->name
,pci_dev
->subsystem_vendor
,
898 pci_dev
->subsystem_device
,saa7134_boards
[dev
->board
].name
,
899 dev
->board
, card
[dev
->nr
] == dev
->board
?
900 "insmod option" : "autodetected");
903 if (!request_mem_region(pci_resource_start(pci_dev
,0),
904 pci_resource_len(pci_dev
,0),
907 printk(KERN_ERR
"%s: can't get MMIO memory @ 0x%llx\n",
908 dev
->name
,(unsigned long long)pci_resource_start(pci_dev
,0));
911 dev
->lmmio
= ioremap(pci_resource_start(pci_dev
,0), 0x1000);
912 dev
->bmmio
= (__u8 __iomem
*)dev
->lmmio
;
913 if (NULL
== dev
->lmmio
) {
915 printk(KERN_ERR
"%s: can't ioremap() MMIO memory\n",
920 /* initialize hardware #1 */
921 saa7134_board_init1(dev
);
922 saa7134_hwinit1(dev
);
925 err
= request_irq(pci_dev
->irq
, saa7134_irq
,
926 IRQF_SHARED
| IRQF_DISABLED
, dev
->name
, dev
);
928 printk(KERN_ERR
"%s: can't get IRQ %d\n",
929 dev
->name
,pci_dev
->irq
);
933 /* wait a bit, register i2c bus */
935 saa7134_i2c_register(dev
);
937 /* initialize hardware #2 */
938 saa7134_board_init2(dev
);
939 saa7134_hwinit2(dev
);
941 /* load i2c helpers */
942 if (TUNER_ABSENT
!= dev
->tuner_type
)
943 request_module("tuner");
944 if (card_is_empress(dev
)) {
945 request_module("saa6752hs");
946 request_module_depend("saa7134-empress",&need_empress
);
949 if (card_is_dvb(dev
))
950 request_module_depend("saa7134-dvb",&need_dvb
);
954 request_module_depend("saa7134-alsa",&need_alsa
);
957 request_module_depend("saa7134-oss",&need_oss
);
959 v4l2_prio_init(&dev
->prio
);
961 /* register v4l devices */
962 if (saa7134_no_overlay
<= 0) {
963 saa7134_video_template
.type
|= VID_TYPE_OVERLAY
;
965 printk("%s: Overlay support disabled.\n",dev
->name
);
967 dev
->video_dev
= vdev_init(dev
,&saa7134_video_template
,"video");
968 err
= video_register_device(dev
->video_dev
,VFL_TYPE_GRABBER
,
971 printk(KERN_INFO
"%s: can't register video device\n",
975 printk(KERN_INFO
"%s: registered device video%d [v4l2]\n",
976 dev
->name
,dev
->video_dev
->minor
& 0x1f);
978 dev
->vbi_dev
= vdev_init(dev
,&saa7134_vbi_template
,"vbi");
979 err
= video_register_device(dev
->vbi_dev
,VFL_TYPE_VBI
,
983 printk(KERN_INFO
"%s: registered device vbi%d\n",
984 dev
->name
,dev
->vbi_dev
->minor
& 0x1f);
986 if (card_has_radio(dev
)) {
987 dev
->radio_dev
= vdev_init(dev
,&saa7134_radio_template
,"radio");
988 err
= video_register_device(dev
->radio_dev
,VFL_TYPE_RADIO
,
992 printk(KERN_INFO
"%s: registered device radio%d\n",
993 dev
->name
,dev
->radio_dev
->minor
& 0x1f);
996 /* everything worked */
997 pci_set_drvdata(pci_dev
,dev
);
1000 mutex_lock(&devlist_lock
);
1001 list_for_each(item
,&mops_list
) {
1002 mops
= list_entry(item
, struct saa7134_mpeg_ops
, next
);
1003 mpeg_ops_attach(mops
, dev
);
1005 list_add_tail(&dev
->devlist
,&saa7134_devlist
);
1006 mutex_unlock(&devlist_lock
);
1008 /* check for signal */
1009 saa7134_irq_video_intl(dev
);
1011 if (saa7134_dmasound_init
&& !dev
->dmasound
.priv_data
) {
1012 saa7134_dmasound_init(dev
);
1018 saa7134_unregister_video(dev
);
1019 saa7134_i2c_unregister(dev
);
1020 free_irq(pci_dev
->irq
, dev
);
1022 saa7134_hwfini(dev
);
1023 iounmap(dev
->lmmio
);
1025 release_mem_region(pci_resource_start(pci_dev
,0),
1026 pci_resource_len(pci_dev
,0));
1032 static void __devexit
saa7134_finidev(struct pci_dev
*pci_dev
)
1034 struct saa7134_dev
*dev
= pci_get_drvdata(pci_dev
);
1035 struct list_head
*item
;
1036 struct saa7134_mpeg_ops
*mops
;
1038 /* Release DMA sound modules if present */
1039 if (saa7134_dmasound_exit
&& dev
->dmasound
.priv_data
) {
1040 saa7134_dmasound_exit(dev
);
1045 u32 report
= saa_readl(SAA7134_IRQ_REPORT
);
1046 u32 status
= saa_readl(SAA7134_IRQ_STATUS
);
1047 print_irqstatus(dev
,42,report
,status
);
1050 /* disable peripheral devices */
1051 saa_writeb(SAA7134_SPECIAL_MODE
,0);
1053 /* shutdown hardware */
1054 saa_writel(SAA7134_IRQ1
,0);
1055 saa_writel(SAA7134_IRQ2
,0);
1056 saa_writel(SAA7134_MAIN_CTRL
,0);
1058 /* shutdown subsystems */
1059 saa7134_hwfini(dev
);
1062 mutex_lock(&devlist_lock
);
1063 list_del(&dev
->devlist
);
1064 list_for_each(item
,&mops_list
) {
1065 mops
= list_entry(item
, struct saa7134_mpeg_ops
, next
);
1066 mpeg_ops_detach(mops
, dev
);
1068 mutex_unlock(&devlist_lock
);
1071 saa7134_i2c_unregister(dev
);
1072 saa7134_unregister_video(dev
);
1075 /* the DMA sound modules should be unloaded before reaching
1076 this, but just in case they are still present... */
1077 if (dev
->dmasound
.priv_data
!= NULL
) {
1078 free_irq(pci_dev
->irq
, &dev
->dmasound
);
1079 dev
->dmasound
.priv_data
= NULL
;
1083 /* release resources */
1084 free_irq(pci_dev
->irq
, dev
);
1085 iounmap(dev
->lmmio
);
1086 release_mem_region(pci_resource_start(pci_dev
,0),
1087 pci_resource_len(pci_dev
,0));
1089 pci_set_drvdata(pci_dev
, NULL
);
1095 /* ----------------------------------------------------------- */
1097 int saa7134_ts_register(struct saa7134_mpeg_ops
*ops
)
1099 struct list_head
*item
;
1100 struct saa7134_dev
*dev
;
1102 mutex_lock(&devlist_lock
);
1103 list_for_each(item
,&saa7134_devlist
) {
1104 dev
= list_entry(item
, struct saa7134_dev
, devlist
);
1105 mpeg_ops_attach(ops
, dev
);
1107 list_add_tail(&ops
->next
,&mops_list
);
1108 mutex_unlock(&devlist_lock
);
1112 void saa7134_ts_unregister(struct saa7134_mpeg_ops
*ops
)
1114 struct list_head
*item
;
1115 struct saa7134_dev
*dev
;
1117 mutex_lock(&devlist_lock
);
1118 list_del(&ops
->next
);
1119 list_for_each(item
,&saa7134_devlist
) {
1120 dev
= list_entry(item
, struct saa7134_dev
, devlist
);
1121 mpeg_ops_detach(ops
, dev
);
1123 mutex_unlock(&devlist_lock
);
1126 EXPORT_SYMBOL(saa7134_ts_register
);
1127 EXPORT_SYMBOL(saa7134_ts_unregister
);
1129 /* ----------------------------------------------------------- */
1131 static struct pci_driver saa7134_pci_driver
= {
1133 .id_table
= saa7134_pci_tbl
,
1134 .probe
= saa7134_initdev
,
1135 .remove
= __devexit_p(saa7134_finidev
),
1138 static int saa7134_init(void)
1140 INIT_LIST_HEAD(&saa7134_devlist
);
1141 printk(KERN_INFO
"saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1142 (SAA7134_VERSION_CODE
>> 16) & 0xff,
1143 (SAA7134_VERSION_CODE
>> 8) & 0xff,
1144 SAA7134_VERSION_CODE
& 0xff);
1146 printk(KERN_INFO
"saa7130/34: snapshot date %04d-%02d-%02d\n",
1147 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
1149 return pci_register_driver(&saa7134_pci_driver
);
1152 static void saa7134_fini(void)
1154 #if defined(CONFIG_MODULES) && defined(MODULE)
1155 if (pending_registered
)
1156 unregister_module_notifier(&pending_notifier
);
1157 #endif /* CONFIG_MODULES */
1158 pci_unregister_driver(&saa7134_pci_driver
);
1161 module_init(saa7134_init
);
1162 module_exit(saa7134_fini
);
1164 /* ----------------------------------------------------------- */
1166 EXPORT_SYMBOL(saa7134_i2c_call_clients
);
1167 EXPORT_SYMBOL(saa7134_devlist
);
1168 EXPORT_SYMBOL(saa7134_boards
);
1170 /* ----------------- for the DMA sound modules --------------- */
1172 EXPORT_SYMBOL(saa7134_dmasound_init
);
1173 EXPORT_SYMBOL(saa7134_dmasound_exit
);
1174 EXPORT_SYMBOL(saa7134_pgtable_free
);
1175 EXPORT_SYMBOL(saa7134_pgtable_build
);
1176 EXPORT_SYMBOL(saa7134_pgtable_alloc
);
1177 EXPORT_SYMBOL(saa7134_set_dmabits
);
1179 /* ----------------------------------------------------------- */