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
= 1;
58 module_param(alsa
, int, 0644);
59 MODULE_PARM_DESC(alsa
,"enable/disable ALSA DMA sound [dmasound]");
61 static unsigned int latency
= UNSET
;
62 module_param(latency
, int, 0444);
63 MODULE_PARM_DESC(latency
,"pci latency timer");
65 int saa7134_no_overlay
=-1;
66 module_param_named(no_overlay
, saa7134_no_overlay
, int, 0444);
67 MODULE_PARM_DESC(no_overlay
,"allow override overlay default (0 disables, 1 enables)"
68 " [some VIA/SIS chipsets are known to have problem with overlay]");
70 static unsigned int video_nr
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
71 static unsigned int vbi_nr
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
72 static unsigned int radio_nr
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
73 static unsigned int tuner
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
74 static unsigned int card
[] = {[0 ... (SAA7134_MAXBOARDS
- 1)] = UNSET
};
77 module_param_array(video_nr
, int, NULL
, 0444);
78 module_param_array(vbi_nr
, int, NULL
, 0444);
79 module_param_array(radio_nr
, int, NULL
, 0444);
80 module_param_array(tuner
, int, NULL
, 0444);
81 module_param_array(card
, int, NULL
, 0444);
83 MODULE_PARM_DESC(video_nr
, "video device number");
84 MODULE_PARM_DESC(vbi_nr
, "vbi device number");
85 MODULE_PARM_DESC(radio_nr
, "radio device number");
86 MODULE_PARM_DESC(tuner
, "tuner type");
87 MODULE_PARM_DESC(card
, "card type");
89 DEFINE_MUTEX(saa7134_devlist_lock
);
90 EXPORT_SYMBOL(saa7134_devlist_lock
);
91 LIST_HEAD(saa7134_devlist
);
92 EXPORT_SYMBOL(saa7134_devlist
);
93 static LIST_HEAD(mops_list
);
94 static unsigned int saa7134_devcount
;
96 int (*saa7134_dmasound_init
)(struct saa7134_dev
*dev
);
97 int (*saa7134_dmasound_exit
)(struct saa7134_dev
*dev
);
99 #define dprintk(fmt, arg...) if (core_debug) \
100 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
102 void saa7134_track_gpio(struct saa7134_dev
*dev
, char *msg
)
104 unsigned long mode
,status
;
108 /* rising SAA7134_GPIO_GPRESCAN reads the status */
109 saa_andorb(SAA7134_GPIO_GPMODE3
,SAA7134_GPIO_GPRESCAN
,0);
110 saa_andorb(SAA7134_GPIO_GPMODE3
,SAA7134_GPIO_GPRESCAN
,SAA7134_GPIO_GPRESCAN
);
111 mode
= saa_readl(SAA7134_GPIO_GPMODE0
>> 2) & 0xfffffff;
112 status
= saa_readl(SAA7134_GPIO_GPSTATUS0
>> 2) & 0xfffffff;
114 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
115 dev
->name
, mode
, (~mode
) & status
, mode
& status
, msg
);
118 void saa7134_set_gpio(struct saa7134_dev
*dev
, int bit_no
, int value
)
124 case 0: /* static value */
125 case 1: dprintk("setting GPIO%d to static %d\n", bit_no
, value
);
126 /* turn sync mode off if necessary */
127 if (index
& 0x00c00000)
128 saa_andorb(SAA7134_VIDEO_PORT_CTRL6
, 0x0f, 0x00);
133 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, index
, index
);
134 saa_andorl(SAA7134_GPIO_GPSTATUS0
>> 2, index
, bitval
);
136 case 3: /* tristate */
137 dprintk("setting GPIO%d to tristate\n", bit_no
);
138 saa_andorl(SAA7134_GPIO_GPMODE0
>> 2, index
, 0);
143 /* ------------------------------------------------------------------ */
146 /* ----------------------------------------------------------- */
147 /* delayed request_module */
149 #if defined(CONFIG_MODULES) && defined(MODULE)
151 static void request_module_async(struct work_struct
*work
){
152 struct saa7134_dev
* dev
= container_of(work
, struct saa7134_dev
, request_module_wk
);
153 if (card_is_empress(dev
))
154 request_module("saa7134-empress");
155 if (card_is_dvb(dev
))
156 request_module("saa7134-dvb");
158 if (dev
->pci
->device
!= PCI_DEVICE_ID_PHILIPS_SAA7130
)
159 request_module("saa7134-alsa");
163 static void request_submodules(struct saa7134_dev
*dev
)
165 INIT_WORK(&dev
->request_module_wk
, request_module_async
);
166 schedule_work(&dev
->request_module_wk
);
170 #define request_submodules(dev)
171 #endif /* CONFIG_MODULES */
173 /* ------------------------------------------------------------------ */
175 /* nr of (saa7134-)pages for the given buffer size */
176 static int saa7134_buffer_pages(int size
)
178 size
= PAGE_ALIGN(size
);
179 size
+= PAGE_SIZE
; /* for non-page-aligned buffers */
184 /* calc max # of buffers from size (must not exceed the 4MB virtual
185 * address space per DMA channel) */
186 int saa7134_buffer_count(unsigned int size
, unsigned int count
)
188 unsigned int maxcount
;
190 maxcount
= 1024 / saa7134_buffer_pages(size
);
191 if (count
> maxcount
)
196 int saa7134_buffer_startpage(struct saa7134_buf
*buf
)
198 return saa7134_buffer_pages(buf
->vb
.bsize
) * buf
->vb
.i
;
201 unsigned long saa7134_buffer_base(struct saa7134_buf
*buf
)
204 struct videobuf_dmabuf
*dma
=videobuf_to_dma(&buf
->vb
);
206 base
= saa7134_buffer_startpage(buf
) * 4096;
207 base
+= dma
->sglist
[0].offset
;
211 /* ------------------------------------------------------------------ */
213 int saa7134_pgtable_alloc(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
)
216 dma_addr_t dma_addr
= 0;
218 cpu
= pci_alloc_consistent(pci
, SAA7134_PGTABLE_SIZE
, &dma_addr
);
221 pt
->size
= SAA7134_PGTABLE_SIZE
;
227 int saa7134_pgtable_build(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
,
228 struct scatterlist
*list
, unsigned int length
,
229 unsigned int startpage
)
234 BUG_ON(NULL
== pt
|| NULL
== pt
->cpu
);
236 ptr
= pt
->cpu
+ startpage
;
237 for (i
= 0; i
< length
; i
++, list
++)
238 for (p
= 0; p
* 4096 < list
->length
; p
++, ptr
++)
239 *ptr
= cpu_to_le32(sg_dma_address(list
) - list
->offset
);
243 void saa7134_pgtable_free(struct pci_dev
*pci
, struct saa7134_pgtable
*pt
)
247 pci_free_consistent(pci
, pt
->size
, pt
->cpu
, pt
->dma
);
251 /* ------------------------------------------------------------------ */
253 void saa7134_dma_free(struct videobuf_queue
*q
,struct saa7134_buf
*buf
)
255 struct videobuf_dmabuf
*dma
=videobuf_to_dma(&buf
->vb
);
256 BUG_ON(in_interrupt());
258 videobuf_waiton(&buf
->vb
,0,0);
259 videobuf_dma_unmap(q
, dma
);
260 videobuf_dma_free(dma
);
261 buf
->vb
.state
= VIDEOBUF_NEEDS_INIT
;
264 /* ------------------------------------------------------------------ */
266 int saa7134_buffer_queue(struct saa7134_dev
*dev
,
267 struct saa7134_dmaqueue
*q
,
268 struct saa7134_buf
*buf
)
270 struct saa7134_buf
*next
= NULL
;
272 assert_spin_locked(&dev
->slock
);
273 dprintk("buffer_queue %p\n",buf
);
274 if (NULL
== q
->curr
) {
277 buf
->activate(dev
,buf
,NULL
);
278 } else if (list_empty(&q
->queue
)) {
279 list_add_tail(&buf
->vb
.queue
,&q
->queue
);
280 buf
->vb
.state
= VIDEOBUF_QUEUED
;
282 next
= list_entry(q
->queue
.next
,struct saa7134_buf
,
285 buf
->activate(dev
,buf
,next
);
288 list_add_tail(&buf
->vb
.queue
,&q
->queue
);
289 buf
->vb
.state
= VIDEOBUF_QUEUED
;
294 void saa7134_buffer_finish(struct saa7134_dev
*dev
,
295 struct saa7134_dmaqueue
*q
,
298 assert_spin_locked(&dev
->slock
);
299 dprintk("buffer_finish %p\n",q
->curr
);
301 /* finish current buffer */
302 q
->curr
->vb
.state
= state
;
303 do_gettimeofday(&q
->curr
->vb
.ts
);
304 wake_up(&q
->curr
->vb
.done
);
308 void saa7134_buffer_next(struct saa7134_dev
*dev
,
309 struct saa7134_dmaqueue
*q
)
311 struct saa7134_buf
*buf
,*next
= NULL
;
313 assert_spin_locked(&dev
->slock
);
314 BUG_ON(NULL
!= q
->curr
);
316 if (!list_empty(&q
->queue
)) {
317 /* activate next one from queue */
318 buf
= list_entry(q
->queue
.next
,struct saa7134_buf
,vb
.queue
);
319 dprintk("buffer_next %p [prev=%p/next=%p]\n",
320 buf
,q
->queue
.prev
,q
->queue
.next
);
321 list_del(&buf
->vb
.queue
);
322 if (!list_empty(&q
->queue
))
323 next
= list_entry(q
->queue
.next
,struct saa7134_buf
,
326 buf
->activate(dev
,buf
,next
);
327 dprintk("buffer_next #2 prev=%p/next=%p\n",
328 q
->queue
.prev
,q
->queue
.next
);
330 /* nothing to do -- just stop DMA */
331 dprintk("buffer_next %p\n",NULL
);
332 saa7134_set_dmabits(dev
);
333 del_timer(&q
->timeout
);
337 void saa7134_buffer_timeout(unsigned long data
)
339 struct saa7134_dmaqueue
*q
= (struct saa7134_dmaqueue
*)data
;
340 struct saa7134_dev
*dev
= q
->dev
;
343 spin_lock_irqsave(&dev
->slock
,flags
);
345 /* try to reset the hardware (SWRST) */
346 saa_writeb(SAA7134_REGION_ENABLE
, 0x00);
347 saa_writeb(SAA7134_REGION_ENABLE
, 0x80);
348 saa_writeb(SAA7134_REGION_ENABLE
, 0x00);
350 /* flag current buffer as failed,
351 try to start over with the next one. */
353 dprintk("timeout on %p\n",q
->curr
);
354 saa7134_buffer_finish(dev
,q
,VIDEOBUF_ERROR
);
356 saa7134_buffer_next(dev
,q
);
357 spin_unlock_irqrestore(&dev
->slock
,flags
);
360 /* ------------------------------------------------------------------ */
362 int saa7134_set_dmabits(struct saa7134_dev
*dev
)
364 u32 split
, task
=0, ctrl
=0, irq
=0;
365 enum v4l2_field cap
= V4L2_FIELD_ANY
;
366 enum v4l2_field ov
= V4L2_FIELD_ANY
;
368 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_1
|
418 SAA7134_IRQ1_INTE_RA2_0
;
421 /* set task conditions + field handling */
422 if (V4L2_FIELD_HAS_BOTH(cap
) || V4L2_FIELD_HAS_BOTH(ov
) || cap
== ov
) {
423 /* default config -- use full frames */
424 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0d);
425 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0d);
426 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A
), 0x02);
427 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B
), 0x02);
430 /* split fields between tasks */
431 if (V4L2_FIELD_TOP
== cap
) {
432 /* odd A, even B, repeat */
433 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0d);
434 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0e);
436 /* odd B, even A, repeat */
437 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A
), 0x0e);
438 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B
), 0x0d);
440 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A
), 0x01);
441 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B
), 0x01);
446 saa_writeb(SAA7134_REGION_ENABLE
, task
);
447 saa_writel(SAA7134_IRQ1
, irq
);
448 saa_andorl(SAA7134_MAIN_CTRL
,
449 SAA7134_MAIN_CTRL_TE0
|
450 SAA7134_MAIN_CTRL_TE1
|
451 SAA7134_MAIN_CTRL_TE2
|
452 SAA7134_MAIN_CTRL_TE3
|
453 SAA7134_MAIN_CTRL_TE4
|
454 SAA7134_MAIN_CTRL_TE5
|
455 SAA7134_MAIN_CTRL_TE6
,
457 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
458 task
, ctrl
, irq
, split
? "no" : "yes");
463 /* ------------------------------------------------------------------ */
464 /* IRQ handler + helpers */
466 static char *irqbits
[] = {
467 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
468 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
469 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
470 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
472 #define IRQBITS ARRAY_SIZE(irqbits)
474 static void print_irqstatus(struct saa7134_dev
*dev
, int loop
,
475 unsigned long report
, unsigned long status
)
479 printk(KERN_DEBUG
"%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
480 dev
->name
,loop
,jiffies
,report
,status
);
481 for (i
= 0; i
< IRQBITS
; i
++) {
482 if (!(report
& (1 << i
)))
484 printk(" %s",irqbits
[i
]);
486 if (report
& SAA7134_IRQ_REPORT_DONE_RA0
) {
487 printk(" | RA0=%s,%s,%s,%ld",
488 (status
& 0x40) ? "vbi" : "video",
489 (status
& 0x20) ? "b" : "a",
490 (status
& 0x10) ? "odd" : "even",
496 static irqreturn_t
saa7134_irq(int irq
, void *dev_id
)
498 struct saa7134_dev
*dev
= (struct saa7134_dev
*) dev_id
;
499 unsigned long report
,status
;
500 int loop
, handled
= 0;
505 for (loop
= 0; loop
< 10; loop
++) {
506 report
= saa_readl(SAA7134_IRQ_REPORT
);
507 status
= saa_readl(SAA7134_IRQ_STATUS
);
509 /* If dmasound support is active and we get a sound report,
510 * mask out the report and let the saa7134-alsa module deal
512 if ((report
& SAA7134_IRQ_REPORT_DONE_RA3
) &&
513 (dev
->dmasound
.priv_data
!= NULL
) )
516 printk(KERN_DEBUG
"%s/irq: preserving DMA sound interrupt\n",
518 report
&= ~SAA7134_IRQ_REPORT_DONE_RA3
;
523 printk(KERN_DEBUG
"%s/irq: no (more) work\n",
529 saa_writel(SAA7134_IRQ_REPORT
,report
);
531 print_irqstatus(dev
,loop
,report
,status
);
534 if ((report
& SAA7134_IRQ_REPORT_RDCAP
) ||
535 (report
& SAA7134_IRQ_REPORT_INTL
))
536 saa7134_irq_video_signalchange(dev
);
539 if ((report
& SAA7134_IRQ_REPORT_DONE_RA0
) &&
540 (status
& 0x60) == 0)
541 saa7134_irq_video_done(dev
,status
);
543 if ((report
& SAA7134_IRQ_REPORT_DONE_RA0
) &&
544 (status
& 0x40) == 0x40)
545 saa7134_irq_vbi_done(dev
,status
);
547 if ((report
& SAA7134_IRQ_REPORT_DONE_RA2
) &&
549 saa7134_irq_ts_done(dev
,status
);
551 if (report
& SAA7134_IRQ_REPORT_GPIO16
) {
552 switch (dev
->has_remote
) {
553 case SAA7134_REMOTE_GPIO
:
556 if (dev
->remote
->mask_keydown
& 0x10000) {
557 saa7134_input_irq(dev
);
561 case SAA7134_REMOTE_I2C
:
562 break; /* FIXME: invoke I2C get_key() */
564 default: /* GPIO16 not used by IR remote */
569 if (report
& SAA7134_IRQ_REPORT_GPIO18
) {
570 switch (dev
->has_remote
) {
571 case SAA7134_REMOTE_GPIO
:
574 if ((dev
->remote
->mask_keydown
& 0x40000) ||
575 (dev
->remote
->mask_keyup
& 0x40000)) {
576 saa7134_input_irq(dev
);
580 case SAA7134_REMOTE_I2C
:
581 break; /* FIXME: invoke I2C get_key() */
583 default: /* GPIO18 not used by IR remote */
590 print_irqstatus(dev
,loop
,report
,status
);
591 if (report
& SAA7134_IRQ_REPORT_PE
) {
592 /* disable all parity error */
593 printk(KERN_WARNING
"%s/irq: looping -- "
594 "clearing PE (parity error!) enable bit\n",dev
->name
);
595 saa_clearl(SAA7134_IRQ2
,SAA7134_IRQ2_INTE_PE
);
596 } else if (report
& SAA7134_IRQ_REPORT_GPIO16
) {
597 /* disable gpio16 IRQ */
598 printk(KERN_WARNING
"%s/irq: looping -- "
599 "clearing GPIO16 enable bit\n",dev
->name
);
600 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO16
);
601 } else if (report
& SAA7134_IRQ_REPORT_GPIO18
) {
602 /* disable gpio18 IRQs */
603 printk(KERN_WARNING
"%s/irq: looping -- "
604 "clearing GPIO18 enable bit\n",dev
->name
);
605 saa_clearl(SAA7134_IRQ2
, SAA7134_IRQ2_INTE_GPIO18
);
607 /* disable all irqs */
608 printk(KERN_WARNING
"%s/irq: looping -- "
609 "clearing all enable bits\n",dev
->name
);
610 saa_writel(SAA7134_IRQ1
,0);
611 saa_writel(SAA7134_IRQ2
,0);
616 return IRQ_RETVAL(handled
);
619 /* ------------------------------------------------------------------ */
621 /* early init (no i2c, no irq) */
623 static int saa7134_hw_enable1(struct saa7134_dev
*dev
)
625 /* RAM FIFO config */
626 saa_writel(SAA7134_FIFO_SIZE
, 0x08070503);
627 saa_writel(SAA7134_THRESHOULD
, 0x02020202);
629 /* enable audio + video processing */
630 saa_writel(SAA7134_MAIN_CTRL
,
631 SAA7134_MAIN_CTRL_VPLLE
|
632 SAA7134_MAIN_CTRL_APLLE
|
633 SAA7134_MAIN_CTRL_EXOSC
|
634 SAA7134_MAIN_CTRL_EVFE1
|
635 SAA7134_MAIN_CTRL_EVFE2
|
636 SAA7134_MAIN_CTRL_ESFE
|
637 SAA7134_MAIN_CTRL_EBDAC
);
640 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
641 * OSS initialization writes to registers via the audio DSP; these
642 * writes will fail unless the audio clock has been started. At worst,
643 * audio will not work.
646 /* enable peripheral devices */
647 saa_writeb(SAA7134_SPECIAL_MODE
, 0x01);
649 /* set vertical line numbering start (vbi needs this) */
650 saa_writeb(SAA7134_SOURCE_TIMING2
, 0x20);
655 static int saa7134_hwinit1(struct saa7134_dev
*dev
)
657 dprintk("hwinit1\n");
659 saa_writel(SAA7134_IRQ1
, 0);
660 saa_writel(SAA7134_IRQ2
, 0);
662 /* Clear any stale IRQ reports */
663 saa_writel(SAA7134_IRQ_REPORT
, saa_readl(SAA7134_IRQ_REPORT
));
665 mutex_init(&dev
->lock
);
666 spin_lock_init(&dev
->slock
);
668 saa7134_track_gpio(dev
,"pre-init");
669 saa7134_video_init1(dev
);
670 saa7134_vbi_init1(dev
);
671 if (card_has_mpeg(dev
))
672 saa7134_ts_init1(dev
);
673 saa7134_input_init1(dev
);
675 saa7134_hw_enable1(dev
);
680 /* late init (with i2c + irq) */
681 static int saa7134_hw_enable2(struct saa7134_dev
*dev
)
684 unsigned int irq2_mask
;
688 SAA7134_IRQ2_INTE_DEC3
|
689 SAA7134_IRQ2_INTE_DEC2
|
690 SAA7134_IRQ2_INTE_DEC1
|
691 SAA7134_IRQ2_INTE_DEC0
|
692 SAA7134_IRQ2_INTE_PE
|
693 SAA7134_IRQ2_INTE_AR
;
695 if (dev
->has_remote
== SAA7134_REMOTE_GPIO
&& dev
->remote
) {
696 if (dev
->remote
->mask_keydown
& 0x10000)
697 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO16
;
698 else if (dev
->remote
->mask_keydown
& 0x40000)
699 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO18
;
700 else if (dev
->remote
->mask_keyup
& 0x40000)
701 irq2_mask
|= SAA7134_IRQ2_INTE_GPIO18A
;
704 if (dev
->has_remote
== SAA7134_REMOTE_I2C
) {
705 request_module("ir-kbd-i2c");
708 saa_writel(SAA7134_IRQ1
, 0);
709 saa_writel(SAA7134_IRQ2
, irq2_mask
);
714 static int saa7134_hwinit2(struct saa7134_dev
*dev
)
717 dprintk("hwinit2\n");
719 saa7134_video_init2(dev
);
720 saa7134_tvaudio_init2(dev
);
722 saa7134_hw_enable2(dev
);
729 static int saa7134_hwfini(struct saa7134_dev
*dev
)
733 if (card_has_mpeg(dev
))
734 saa7134_ts_fini(dev
);
735 saa7134_input_fini(dev
);
736 saa7134_vbi_fini(dev
);
737 saa7134_tvaudio_fini(dev
);
741 static void __devinit
must_configure_manually(void)
747 "saa7134: Congratulations! Your TV card vendor saved a few\n"
748 "saa7134: cents for a eeprom, thus your pci board has no\n"
749 "saa7134: subsystem ID and I can't identify it automatically\n"
751 "saa7134: I feel better now. Ok, here are the good news:\n"
752 "saa7134: You can use the card=<nr> insmod option to specify\n"
753 "saa7134: which board do you have. The list:\n");
754 for (i
= 0; i
< saa7134_bcount
; i
++) {
755 printk(KERN_WARNING
"saa7134: card=%d -> %-40.40s",
756 i
,saa7134_boards
[i
].name
);
757 for (p
= 0; saa7134_pci_tbl
[p
].driver_data
; p
++) {
758 if (saa7134_pci_tbl
[p
].driver_data
!= i
)
761 saa7134_pci_tbl
[p
].subvendor
,
762 saa7134_pci_tbl
[p
].subdevice
);
768 static struct video_device
*vdev_init(struct saa7134_dev
*dev
,
769 struct video_device
*template,
772 struct video_device
*vfd
;
774 vfd
= video_device_alloc();
779 vfd
->v4l2_dev
= &dev
->v4l2_dev
;
780 vfd
->release
= video_device_release
;
781 vfd
->debug
= video_debug
;
782 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s %s (%s)",
783 dev
->name
, type
, saa7134_boards
[dev
->board
].name
);
787 static void saa7134_unregister_video(struct saa7134_dev
*dev
)
789 if (dev
->video_dev
) {
790 if (-1 != dev
->video_dev
->minor
)
791 video_unregister_device(dev
->video_dev
);
793 video_device_release(dev
->video_dev
);
794 dev
->video_dev
= NULL
;
797 if (-1 != dev
->vbi_dev
->minor
)
798 video_unregister_device(dev
->vbi_dev
);
800 video_device_release(dev
->vbi_dev
);
803 if (dev
->radio_dev
) {
804 if (-1 != dev
->radio_dev
->minor
)
805 video_unregister_device(dev
->radio_dev
);
807 video_device_release(dev
->radio_dev
);
808 dev
->radio_dev
= NULL
;
812 static void mpeg_ops_attach(struct saa7134_mpeg_ops
*ops
,
813 struct saa7134_dev
*dev
)
817 if (NULL
!= dev
->mops
)
819 if (saa7134_boards
[dev
->board
].mpeg
!= ops
->type
)
821 err
= ops
->init(dev
);
827 static void mpeg_ops_detach(struct saa7134_mpeg_ops
*ops
,
828 struct saa7134_dev
*dev
)
830 if (NULL
== dev
->mops
)
832 if (dev
->mops
!= ops
)
834 dev
->mops
->fini(dev
);
838 static int __devinit
saa7134_initdev(struct pci_dev
*pci_dev
,
839 const struct pci_device_id
*pci_id
)
841 struct saa7134_dev
*dev
;
842 struct saa7134_mpeg_ops
*mops
;
845 if (saa7134_devcount
== SAA7134_MAXBOARDS
)
848 dev
= kzalloc(sizeof(*dev
),GFP_KERNEL
);
852 err
= v4l2_device_register(&pci_dev
->dev
, &dev
->v4l2_dev
);
858 if (pci_enable_device(pci_dev
)) {
863 dev
->nr
= saa7134_devcount
;
864 sprintf(dev
->name
,"saa%x[%d]",pci_dev
->device
,dev
->nr
);
867 if (pci_pci_problems
) {
868 if (pci_pci_problems
& PCIPCI_TRITON
)
869 printk(KERN_INFO
"%s: quirk: PCIPCI_TRITON\n", dev
->name
);
870 if (pci_pci_problems
& PCIPCI_NATOMA
)
871 printk(KERN_INFO
"%s: quirk: PCIPCI_NATOMA\n", dev
->name
);
872 if (pci_pci_problems
& PCIPCI_VIAETBF
)
873 printk(KERN_INFO
"%s: quirk: PCIPCI_VIAETBF\n", dev
->name
);
874 if (pci_pci_problems
& PCIPCI_VSFX
)
875 printk(KERN_INFO
"%s: quirk: PCIPCI_VSFX\n",dev
->name
);
876 #ifdef PCIPCI_ALIMAGIK
877 if (pci_pci_problems
& PCIPCI_ALIMAGIK
) {
878 printk(KERN_INFO
"%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
883 if (pci_pci_problems
& (PCIPCI_FAIL
|PCIAGP_FAIL
)) {
884 printk(KERN_INFO
"%s: quirk: this driver and your "
885 "chipset may not work together"
886 " in overlay mode.\n",dev
->name
);
887 if (!saa7134_no_overlay
) {
888 printk(KERN_INFO
"%s: quirk: overlay "
889 "mode will be disabled.\n",
891 saa7134_no_overlay
= 1;
893 printk(KERN_INFO
"%s: quirk: overlay "
894 "mode will be forced. Use this"
895 " option at your own risk.\n",
900 if (UNSET
!= latency
) {
901 printk(KERN_INFO
"%s: setting pci latency timer to %d\n",
903 pci_write_config_byte(pci_dev
, PCI_LATENCY_TIMER
, latency
);
907 pci_read_config_byte(pci_dev
, PCI_CLASS_REVISION
, &dev
->pci_rev
);
908 pci_read_config_byte(pci_dev
, PCI_LATENCY_TIMER
, &dev
->pci_lat
);
909 printk(KERN_INFO
"%s: found at %s, rev: %d, irq: %d, "
910 "latency: %d, mmio: 0x%llx\n", dev
->name
,
911 pci_name(pci_dev
), dev
->pci_rev
, pci_dev
->irq
,
912 dev
->pci_lat
,(unsigned long long)pci_resource_start(pci_dev
,0));
913 pci_set_master(pci_dev
);
914 if (!pci_dma_supported(pci_dev
, DMA_BIT_MASK(32))) {
915 printk("%s: Oops: no 32bit PCI DMA ???\n",dev
->name
);
921 dev
->board
= pci_id
->driver_data
;
922 if (card
[dev
->nr
] >= 0 &&
923 card
[dev
->nr
] < saa7134_bcount
)
924 dev
->board
= card
[dev
->nr
];
925 if (SAA7134_BOARD_NOAUTO
== dev
->board
) {
926 must_configure_manually();
927 dev
->board
= SAA7134_BOARD_UNKNOWN
;
929 dev
->autodetected
= card
[dev
->nr
] != dev
->board
;
930 dev
->tuner_type
= saa7134_boards
[dev
->board
].tuner_type
;
931 dev
->tuner_addr
= saa7134_boards
[dev
->board
].tuner_addr
;
932 dev
->radio_type
= saa7134_boards
[dev
->board
].radio_type
;
933 dev
->radio_addr
= saa7134_boards
[dev
->board
].radio_addr
;
934 dev
->tda9887_conf
= saa7134_boards
[dev
->board
].tda9887_conf
;
935 if (UNSET
!= tuner
[dev
->nr
])
936 dev
->tuner_type
= tuner
[dev
->nr
];
937 printk(KERN_INFO
"%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
938 dev
->name
,pci_dev
->subsystem_vendor
,
939 pci_dev
->subsystem_device
,saa7134_boards
[dev
->board
].name
,
940 dev
->board
, dev
->autodetected
?
941 "autodetected" : "insmod option");
944 if (!request_mem_region(pci_resource_start(pci_dev
,0),
945 pci_resource_len(pci_dev
,0),
948 printk(KERN_ERR
"%s: can't get MMIO memory @ 0x%llx\n",
949 dev
->name
,(unsigned long long)pci_resource_start(pci_dev
,0));
952 dev
->lmmio
= ioremap(pci_resource_start(pci_dev
, 0),
953 pci_resource_len(pci_dev
, 0));
954 dev
->bmmio
= (__u8 __iomem
*)dev
->lmmio
;
955 if (NULL
== dev
->lmmio
) {
957 printk(KERN_ERR
"%s: can't ioremap() MMIO memory\n",
962 /* initialize hardware #1 */
963 saa7134_board_init1(dev
);
964 saa7134_hwinit1(dev
);
967 err
= request_irq(pci_dev
->irq
, saa7134_irq
,
968 IRQF_SHARED
| IRQF_DISABLED
, dev
->name
, dev
);
970 printk(KERN_ERR
"%s: can't get IRQ %d\n",
971 dev
->name
,pci_dev
->irq
);
975 /* wait a bit, register i2c bus */
977 saa7134_i2c_register(dev
);
978 saa7134_board_init2(dev
);
980 saa7134_hwinit2(dev
);
982 /* load i2c helpers */
983 if (card_is_empress(dev
)) {
984 struct v4l2_subdev
*sd
=
985 v4l2_i2c_new_subdev(&dev
->v4l2_dev
, &dev
->i2c_adap
,
986 "saa6752hs", "saa6752hs",
987 saa7134_boards
[dev
->board
].empress_addr
);
990 sd
->grp_id
= GRP_EMPRESS
;
993 if (saa7134_boards
[dev
->board
].rds_addr
) {
994 struct v4l2_subdev
*sd
;
996 sd
= v4l2_i2c_new_probed_subdev_addr(&dev
->v4l2_dev
,
997 &dev
->i2c_adap
, "saa6588", "saa6588",
998 saa7134_boards
[dev
->board
].rds_addr
);
1000 printk(KERN_INFO
"%s: found RDS decoder\n", dev
->name
);
1003 request_submodules(dev
);
1005 v4l2_prio_init(&dev
->prio
);
1007 mutex_lock(&saa7134_devlist_lock
);
1008 list_for_each_entry(mops
, &mops_list
, next
)
1009 mpeg_ops_attach(mops
, dev
);
1010 list_add_tail(&dev
->devlist
, &saa7134_devlist
);
1011 mutex_unlock(&saa7134_devlist_lock
);
1013 /* check for signal */
1014 saa7134_irq_video_signalchange(dev
);
1016 if (TUNER_ABSENT
!= dev
->tuner_type
)
1017 saa_call_all(dev
, tuner
, s_standby
);
1019 /* register v4l devices */
1020 if (saa7134_no_overlay
> 0)
1021 printk(KERN_INFO
"%s: Overlay support disabled.\n", dev
->name
);
1023 dev
->video_dev
= vdev_init(dev
,&saa7134_video_template
,"video");
1024 err
= video_register_device(dev
->video_dev
,VFL_TYPE_GRABBER
,
1027 printk(KERN_INFO
"%s: can't register video device\n",
1031 printk(KERN_INFO
"%s: registered device video%d [v4l2]\n",
1032 dev
->name
, dev
->video_dev
->num
);
1034 dev
->vbi_dev
= vdev_init(dev
, &saa7134_video_template
, "vbi");
1036 err
= video_register_device(dev
->vbi_dev
,VFL_TYPE_VBI
,
1040 printk(KERN_INFO
"%s: registered device vbi%d\n",
1041 dev
->name
, dev
->vbi_dev
->num
);
1043 if (card_has_radio(dev
)) {
1044 dev
->radio_dev
= vdev_init(dev
,&saa7134_radio_template
,"radio");
1045 err
= video_register_device(dev
->radio_dev
,VFL_TYPE_RADIO
,
1049 printk(KERN_INFO
"%s: registered device radio%d\n",
1050 dev
->name
, dev
->radio_dev
->num
);
1053 /* everything worked */
1056 if (saa7134_dmasound_init
&& !dev
->dmasound
.priv_data
)
1057 saa7134_dmasound_init(dev
);
1062 saa7134_unregister_video(dev
);
1063 saa7134_i2c_unregister(dev
);
1064 free_irq(pci_dev
->irq
, dev
);
1066 saa7134_hwfini(dev
);
1067 iounmap(dev
->lmmio
);
1069 release_mem_region(pci_resource_start(pci_dev
,0),
1070 pci_resource_len(pci_dev
,0));
1072 v4l2_device_unregister(&dev
->v4l2_dev
);
1078 static void __devexit
saa7134_finidev(struct pci_dev
*pci_dev
)
1080 struct v4l2_device
*v4l2_dev
= pci_get_drvdata(pci_dev
);
1081 struct saa7134_dev
*dev
= container_of(v4l2_dev
, struct saa7134_dev
, v4l2_dev
);
1082 struct saa7134_mpeg_ops
*mops
;
1084 /* Release DMA sound modules if present */
1085 if (saa7134_dmasound_exit
&& dev
->dmasound
.priv_data
) {
1086 saa7134_dmasound_exit(dev
);
1091 u32 report
= saa_readl(SAA7134_IRQ_REPORT
);
1092 u32 status
= saa_readl(SAA7134_IRQ_STATUS
);
1093 print_irqstatus(dev
,42,report
,status
);
1096 /* disable peripheral devices */
1097 saa_writeb(SAA7134_SPECIAL_MODE
,0);
1099 /* shutdown hardware */
1100 saa_writel(SAA7134_IRQ1
,0);
1101 saa_writel(SAA7134_IRQ2
,0);
1102 saa_writel(SAA7134_MAIN_CTRL
,0);
1104 /* shutdown subsystems */
1105 saa7134_hwfini(dev
);
1108 mutex_lock(&saa7134_devlist_lock
);
1109 list_del(&dev
->devlist
);
1110 list_for_each_entry(mops
, &mops_list
, next
)
1111 mpeg_ops_detach(mops
, dev
);
1112 mutex_unlock(&saa7134_devlist_lock
);
1115 saa7134_i2c_unregister(dev
);
1116 saa7134_unregister_video(dev
);
1119 /* the DMA sound modules should be unloaded before reaching
1120 this, but just in case they are still present... */
1121 if (dev
->dmasound
.priv_data
!= NULL
) {
1122 free_irq(pci_dev
->irq
, &dev
->dmasound
);
1123 dev
->dmasound
.priv_data
= NULL
;
1127 /* release resources */
1128 free_irq(pci_dev
->irq
, dev
);
1129 iounmap(dev
->lmmio
);
1130 release_mem_region(pci_resource_start(pci_dev
,0),
1131 pci_resource_len(pci_dev
,0));
1134 v4l2_device_unregister(&dev
->v4l2_dev
);
1142 /* resends a current buffer in queue after resume */
1143 static int saa7134_buffer_requeue(struct saa7134_dev
*dev
,
1144 struct saa7134_dmaqueue
*q
)
1146 struct saa7134_buf
*buf
, *next
;
1148 assert_spin_locked(&dev
->slock
);
1152 dprintk("buffer_requeue\n");
1157 dprintk("buffer_requeue : resending active buffers \n");
1159 if (!list_empty(&q
->queue
))
1160 next
= list_entry(q
->queue
.next
, struct saa7134_buf
,
1162 buf
->activate(dev
, buf
, next
);
1167 static int saa7134_suspend(struct pci_dev
*pci_dev
, pm_message_t state
)
1169 struct v4l2_device
*v4l2_dev
= pci_get_drvdata(pci_dev
);
1170 struct saa7134_dev
*dev
= container_of(v4l2_dev
, struct saa7134_dev
, v4l2_dev
);
1172 /* disable overlay - apps should enable it explicitly on resume*/
1175 /* Disable interrupts, DMA, and rest of the chip*/
1176 saa_writel(SAA7134_IRQ1
, 0);
1177 saa_writel(SAA7134_IRQ2
, 0);
1178 saa_writel(SAA7134_MAIN_CTRL
, 0);
1181 synchronize_irq(pci_dev
->irq
);
1183 /* ACK interrupts once more, just in case,
1184 since the IRQ handler won't ack them anymore*/
1186 saa_writel(SAA7134_IRQ_REPORT
, saa_readl(SAA7134_IRQ_REPORT
));
1188 /* Disable timeout timers - if we have active buffers, we will
1189 fill them on resume*/
1191 del_timer(&dev
->video_q
.timeout
);
1192 del_timer(&dev
->vbi_q
.timeout
);
1193 del_timer(&dev
->ts_q
.timeout
);
1196 saa7134_ir_stop(dev
);
1198 pci_save_state(pci_dev
);
1199 pci_set_power_state(pci_dev
, pci_choose_state(pci_dev
, state
));
1204 static int saa7134_resume(struct pci_dev
*pci_dev
)
1206 struct v4l2_device
*v4l2_dev
= pci_get_drvdata(pci_dev
);
1207 struct saa7134_dev
*dev
= container_of(v4l2_dev
, struct saa7134_dev
, v4l2_dev
);
1208 unsigned long flags
;
1210 pci_set_power_state(pci_dev
, PCI_D0
);
1211 pci_restore_state(pci_dev
);
1213 /* Do things that are done in saa7134_initdev ,
1214 except of initializing memory structures.*/
1216 saa7134_board_init1(dev
);
1218 /* saa7134_hwinit1 */
1219 if (saa7134_boards
[dev
->board
].video_out
)
1220 saa7134_videoport_init(dev
);
1221 if (card_has_mpeg(dev
))
1222 saa7134_ts_init_hw(dev
);
1224 saa7134_ir_start(dev
, dev
->remote
);
1225 saa7134_hw_enable1(dev
);
1229 saa7134_board_init2(dev
);
1232 saa7134_set_tvnorm_hw(dev
);
1233 saa7134_tvaudio_setmute(dev
);
1234 saa7134_tvaudio_setvolume(dev
, dev
->ctl_volume
);
1235 saa7134_tvaudio_init(dev
);
1236 saa7134_tvaudio_do_scan(dev
);
1237 saa7134_enable_i2s(dev
);
1238 saa7134_hw_enable2(dev
);
1240 saa7134_irq_video_signalchange(dev
);
1242 /*resume unfinished buffer(s)*/
1243 spin_lock_irqsave(&dev
->slock
, flags
);
1244 saa7134_buffer_requeue(dev
, &dev
->video_q
);
1245 saa7134_buffer_requeue(dev
, &dev
->vbi_q
);
1246 saa7134_buffer_requeue(dev
, &dev
->ts_q
);
1248 /* FIXME: Disable DMA audio sound - temporary till proper support
1251 dev
->dmasound
.dma_running
= 0;
1256 saa7134_set_dmabits(dev
);
1257 spin_unlock_irqrestore(&dev
->slock
, flags
);
1263 /* ----------------------------------------------------------- */
1265 int saa7134_ts_register(struct saa7134_mpeg_ops
*ops
)
1267 struct saa7134_dev
*dev
;
1269 mutex_lock(&saa7134_devlist_lock
);
1270 list_for_each_entry(dev
, &saa7134_devlist
, devlist
)
1271 mpeg_ops_attach(ops
, dev
);
1272 list_add_tail(&ops
->next
,&mops_list
);
1273 mutex_unlock(&saa7134_devlist_lock
);
1277 void saa7134_ts_unregister(struct saa7134_mpeg_ops
*ops
)
1279 struct saa7134_dev
*dev
;
1281 mutex_lock(&saa7134_devlist_lock
);
1282 list_del(&ops
->next
);
1283 list_for_each_entry(dev
, &saa7134_devlist
, devlist
)
1284 mpeg_ops_detach(ops
, dev
);
1285 mutex_unlock(&saa7134_devlist_lock
);
1288 EXPORT_SYMBOL(saa7134_ts_register
);
1289 EXPORT_SYMBOL(saa7134_ts_unregister
);
1291 /* ----------------------------------------------------------- */
1293 static struct pci_driver saa7134_pci_driver
= {
1295 .id_table
= saa7134_pci_tbl
,
1296 .probe
= saa7134_initdev
,
1297 .remove
= __devexit_p(saa7134_finidev
),
1299 .suspend
= saa7134_suspend
,
1300 .resume
= saa7134_resume
1304 static int saa7134_init(void)
1306 INIT_LIST_HEAD(&saa7134_devlist
);
1307 printk(KERN_INFO
"saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1308 (SAA7134_VERSION_CODE
>> 16) & 0xff,
1309 (SAA7134_VERSION_CODE
>> 8) & 0xff,
1310 SAA7134_VERSION_CODE
& 0xff);
1312 printk(KERN_INFO
"saa7130/34: snapshot date %04d-%02d-%02d\n",
1313 SNAPSHOT
/10000, (SNAPSHOT
/100)%100, SNAPSHOT
%100);
1315 return pci_register_driver(&saa7134_pci_driver
);
1318 static void saa7134_fini(void)
1320 pci_unregister_driver(&saa7134_pci_driver
);
1323 module_init(saa7134_init
);
1324 module_exit(saa7134_fini
);
1326 /* ----------------------------------------------------------- */
1328 EXPORT_SYMBOL(saa7134_set_gpio
);
1329 EXPORT_SYMBOL(saa7134_boards
);
1331 /* ----------------- for the DMA sound modules --------------- */
1333 EXPORT_SYMBOL(saa7134_dmasound_init
);
1334 EXPORT_SYMBOL(saa7134_dmasound_exit
);
1335 EXPORT_SYMBOL(saa7134_pgtable_free
);
1336 EXPORT_SYMBOL(saa7134_pgtable_build
);
1337 EXPORT_SYMBOL(saa7134_pgtable_alloc
);
1338 EXPORT_SYMBOL(saa7134_set_dmabits
);
1340 /* ----------------------------------------------------------- */