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 int saa7134_tuner_callback(void *ptr, int command, int arg)
148 struct i2c_algo_bit_data *i2c_algo = priv;
149 struct saa7134_dev *dev = i2c_algo->data;
151 switch (dev->tuner_type) {
152 case TUNER_PHILIPS_TDA8290:
154 case 0: /* switch LNA gain through GPIO 22*/
155 saa7134_set_gpio(dev, 22, arg) ;
157 case 1: /* vsync output at GPIO22. 50 / 60Hz */
158 dprintk("setting GPIO22 to vsync %d\n", arg);
159 saa_andorb(SAA7134_VIDEO_PORT_CTRL3, 0x80, 0x80);
160 saa_andorb(SAA7134_VIDEO_PORT_CTRL6, 0x0f, 0x03);
165 saa_writeb(SAA7134_VGATE_START, sync_control);
166 saa_writeb(SAA7134_VGATE_STOP, sync_control + 1);
167 saa_andorb(SAA7134_MISC_VGATE_MSB, 0x03, 0x00);
179 /* ------------------------------------------------------------------ */
182 /* ----------------------------------------------------------- */
183 /* delayed request_module */
185 #if defined(CONFIG_MODULES) && defined(MODULE)
188 static void request_module_async(struct work_struct *work){
189 struct saa7134_dev* dev = container_of(work, struct saa7134_dev, request_module_wk);
190 if (card_is_empress(dev))
191 request_module("saa7134-empress");
192 if (card_is_dvb(dev))
193 request_module("saa7134-dvb");
195 request_module("saa7134-alsa");
197 request_module("saa7134-oss");
200 static void request_submodules(struct saa7134_dev *dev)
202 INIT_WORK(&dev->request_module_wk, request_module_async);
203 schedule_work(&dev->request_module_wk);
207 #define request_submodules(dev)
208 #endif /* CONFIG_MODULES */
210 /* ------------------------------------------------------------------ */
212 /* nr of (saa7134-)pages for the given buffer size */
213 static int saa7134_buffer_pages(int size)
215 size = PAGE_ALIGN(size);
216 size += PAGE_SIZE; /* for non-page-aligned buffers */
221 /* calc max # of buffers from size (must not exceed the 4MB virtual
222 * address space per DMA channel) */
223 int saa7134_buffer_count(unsigned int size, unsigned int count)
225 unsigned int maxcount;
227 maxcount = 1024 / saa7134_buffer_pages(size);
228 if (count > maxcount)
233 int saa7134_buffer_startpage(struct saa7134_buf *buf)
235 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
238 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
241 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
243 base = saa7134_buffer_startpage(buf) * 4096;
244 base += dma->sglist[0].offset;
248 /* ------------------------------------------------------------------ */
250 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
255 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
258 pt->size = SAA7134_PGTABLE_SIZE;
264 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
265 struct scatterlist *list, unsigned int length,
266 unsigned int startpage)
271 BUG_ON(NULL == pt || NULL == pt->cpu);
273 ptr = pt->cpu + startpage;
274 for (i = 0; i < length; i++, list++)
275 for (p = 0; p * 4096 < list->length; p++, ptr++)
276 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
280 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
284 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
288 /* ------------------------------------------------------------------ */
290 void saa7134_dma_free(struct videobuf_queue *q,struct saa7134_buf *buf)
292 struct videobuf_dmabuf *dma=videobuf_to_dma(&buf->vb);
293 BUG_ON(in_interrupt());
295 videobuf_waiton(&buf->vb,0,0);
296 videobuf_dma_unmap(q, dma);
297 videobuf_dma_free(dma);
298 buf->vb.state = VIDEOBUF_NEEDS_INIT;
301 /* ------------------------------------------------------------------ */
303 int saa7134_buffer_queue(struct saa7134_dev *dev,
304 struct saa7134_dmaqueue *q,
305 struct saa7134_buf *buf)
307 struct saa7134_buf *next = NULL;
309 assert_spin_locked(&dev->slock);
310 dprintk("buffer_queue %p\n",buf);
311 if (NULL == q->curr) {
314 buf->activate(dev,buf,NULL);
315 } else if (list_empty(&q->queue)) {
316 list_add_tail(&buf->vb.queue,&q->queue);
317 buf->vb.state = VIDEOBUF_QUEUED;
319 next = list_entry(q->queue.next,struct saa7134_buf,
322 buf->activate(dev,buf,next);
325 list_add_tail(&buf->vb.queue,&q->queue);
326 buf->vb.state = VIDEOBUF_QUEUED;
331 void saa7134_buffer_finish(struct saa7134_dev *dev,
332 struct saa7134_dmaqueue *q,
335 assert_spin_locked(&dev->slock);
336 dprintk("buffer_finish %p\n",q->curr);
338 /* finish current buffer */
339 q->curr->vb.state = state;
340 do_gettimeofday(&q->curr->vb.ts);
341 wake_up(&q->curr->vb.done);
345 void saa7134_buffer_next(struct saa7134_dev *dev,
346 struct saa7134_dmaqueue *q)
348 struct saa7134_buf *buf,*next = NULL;
350 assert_spin_locked(&dev->slock);
351 BUG_ON(NULL != q->curr);
353 if (!list_empty(&q->queue)) {
354 /* activate next one from queue */
355 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
356 dprintk("buffer_next %p [prev=%p/next=%p]\n",
357 buf,q->queue.prev,q->queue.next);
358 list_del(&buf->vb.queue);
359 if (!list_empty(&q->queue))
360 next = list_entry(q->queue.next,struct saa7134_buf,
363 buf->activate(dev,buf,next);
364 dprintk("buffer_next #2 prev=%p/next=%p\n",
365 q->queue.prev,q->queue.next);
367 /* nothing to do -- just stop DMA */
368 dprintk("buffer_next %p\n",NULL);
369 saa7134_set_dmabits(dev);
370 del_timer(&q->timeout);
374 void saa7134_buffer_timeout(unsigned long data)
376 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
377 struct saa7134_dev *dev = q->dev;
380 spin_lock_irqsave(&dev->slock,flags);
382 /* try to reset the hardware (SWRST) */
383 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
384 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
385 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
387 /* flag current buffer as failed,
388 try to start over with the next one. */
390 dprintk("timeout on %p\n",q->curr);
391 saa7134_buffer_finish(dev,q,VIDEOBUF_ERROR);
393 saa7134_buffer_next(dev,q);
394 spin_unlock_irqrestore(&dev->slock,flags);
397 /* resends a current buffer in queue after resume */
399 static int saa7134_buffer_requeue(struct saa7134_dev *dev,
400 struct saa7134_dmaqueue *q)
402 struct saa7134_buf *buf, *next;
404 assert_spin_locked(&dev->slock);
408 dprintk("buffer_requeue\n");
413 dprintk("buffer_requeue : resending active buffers \n");
415 if (!list_empty(&q->queue))
416 next = list_entry(q->queue.next, struct saa7134_buf,
418 buf->activate(dev, buf, next);
423 /* ------------------------------------------------------------------ */
425 int saa7134_set_dmabits(struct saa7134_dev *dev)
427 u32 split, task=0, ctrl=0, irq=0;
428 enum v4l2_field cap = V4L2_FIELD_ANY;
429 enum v4l2_field ov = V4L2_FIELD_ANY;
431 assert_spin_locked(&dev->slock);
436 /* video capture -- dma 0 + video task A */
437 if (dev->video_q.curr) {
439 ctrl |= SAA7134_MAIN_CTRL_TE0;
440 irq |= SAA7134_IRQ1_INTE_RA0_1 |
441 SAA7134_IRQ1_INTE_RA0_0;
442 cap = dev->video_q.curr->vb.field;
445 /* video capture -- dma 1+2 (planar modes) */
446 if (dev->video_q.curr &&
447 dev->video_q.curr->fmt->planar) {
448 ctrl |= SAA7134_MAIN_CTRL_TE4 |
449 SAA7134_MAIN_CTRL_TE5;
452 /* screen overlay -- dma 0 + video task B */
455 ctrl |= SAA7134_MAIN_CTRL_TE1;
459 /* vbi capture -- dma 0 + vbi task A+B */
460 if (dev->vbi_q.curr) {
462 ctrl |= SAA7134_MAIN_CTRL_TE2 |
463 SAA7134_MAIN_CTRL_TE3;
464 irq |= SAA7134_IRQ1_INTE_RA0_7 |
465 SAA7134_IRQ1_INTE_RA0_6 |
466 SAA7134_IRQ1_INTE_RA0_5 |
467 SAA7134_IRQ1_INTE_RA0_4;
470 /* audio capture -- dma 3 */
471 if (dev->dmasound.dma_running) {
472 ctrl |= SAA7134_MAIN_CTRL_TE6;
473 irq |= SAA7134_IRQ1_INTE_RA3_1 |
474 SAA7134_IRQ1_INTE_RA3_0;
477 /* TS capture -- dma 5 */
478 if (dev->ts_q.curr) {
479 ctrl |= SAA7134_MAIN_CTRL_TE5;
480 irq |= SAA7134_IRQ1_INTE_RA2_3 |
481 SAA7134_IRQ1_INTE_RA2_2 |
482 SAA7134_IRQ1_INTE_RA2_1 |
483 SAA7134_IRQ1_INTE_RA2_0;
486 /* set task conditions + field handling */
487 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
488 /* default config -- use full frames */
489 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
490 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
491 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
492 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
495 /* split fields between tasks */
496 if (V4L2_FIELD_TOP == cap) {
497 /* odd A, even B, repeat */
498 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
499 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
501 /* odd B, even A, repeat */
502 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
503 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
505 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
506 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
511 saa_writeb(SAA7134_REGION_ENABLE, task);
512 saa_writel(SAA7134_IRQ1, irq);
513 saa_andorl(SAA7134_MAIN_CTRL,
514 SAA7134_MAIN_CTRL_TE0 |
515 SAA7134_MAIN_CTRL_TE1 |
516 SAA7134_MAIN_CTRL_TE2 |
517 SAA7134_MAIN_CTRL_TE3 |
518 SAA7134_MAIN_CTRL_TE4 |
519 SAA7134_MAIN_CTRL_TE5 |
520 SAA7134_MAIN_CTRL_TE6,
522 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
523 task, ctrl, irq, split ? "no" : "yes");
528 /* ------------------------------------------------------------------ */
529 /* IRQ handler + helpers */
531 static char *irqbits[] = {
532 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
533 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
534 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
535 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
537 #define IRQBITS ARRAY_SIZE(irqbits)
539 static void print_irqstatus(struct saa7134_dev *dev, int loop,
540 unsigned long report, unsigned long status)
544 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
545 dev->name,loop,jiffies,report,status);
546 for (i = 0; i < IRQBITS; i++) {
547 if (!(report & (1 << i)))
549 printk(" %s",irqbits[i]);
551 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
552 printk(" | RA0=%s,%s,%s,%ld",
553 (status & 0x40) ? "vbi" : "video",
554 (status & 0x20) ? "b" : "a",
555 (status & 0x10) ? "odd" : "even",
561 static irqreturn_t saa7134_irq(int irq, void *dev_id)
563 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
564 unsigned long report,status;
565 int loop, handled = 0;
570 for (loop = 0; loop < 10; loop++) {
571 report = saa_readl(SAA7134_IRQ_REPORT);
572 status = saa_readl(SAA7134_IRQ_STATUS);
574 /* If dmasound support is active and we get a sound report,
575 * mask out the report and let the saa7134-alsa module deal
577 if ((report & SAA7134_IRQ_REPORT_DONE_RA3) &&
578 (dev->dmasound.priv_data != NULL) )
581 printk(KERN_DEBUG "%s/irq: preserving DMA sound interrupt\n",
583 report &= ~SAA7134_IRQ_REPORT_DONE_RA3;
588 printk(KERN_DEBUG "%s/irq: no (more) work\n",
594 saa_writel(SAA7134_IRQ_REPORT,report);
596 print_irqstatus(dev,loop,report,status);
599 if ((report & SAA7134_IRQ_REPORT_RDCAP) ||
600 (report & SAA7134_IRQ_REPORT_INTL))
601 saa7134_irq_video_signalchange(dev);
604 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
605 (status & 0x60) == 0)
606 saa7134_irq_video_done(dev,status);
608 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
609 (status & 0x40) == 0x40)
610 saa7134_irq_vbi_done(dev,status);
612 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
614 saa7134_irq_ts_done(dev,status);
616 if (report & SAA7134_IRQ_REPORT_GPIO16) {
617 switch (dev->has_remote) {
618 case SAA7134_REMOTE_GPIO:
621 if (dev->remote->mask_keydown & 0x10000) {
622 saa7134_input_irq(dev);
626 case SAA7134_REMOTE_I2C:
627 break; /* FIXME: invoke I2C get_key() */
629 default: /* GPIO16 not used by IR remote */
634 if (report & SAA7134_IRQ_REPORT_GPIO18) {
635 switch (dev->has_remote) {
636 case SAA7134_REMOTE_GPIO:
639 if ((dev->remote->mask_keydown & 0x40000) ||
640 (dev->remote->mask_keyup & 0x40000)) {
641 saa7134_input_irq(dev);
645 case SAA7134_REMOTE_I2C:
646 break; /* FIXME: invoke I2C get_key() */
648 default: /* GPIO18 not used by IR remote */
655 print_irqstatus(dev,loop,report,status);
656 if (report & SAA7134_IRQ_REPORT_PE) {
657 /* disable all parity error */
658 printk(KERN_WARNING "%s/irq: looping -- "
659 "clearing PE (parity error!) enable bit\n",dev->name);
660 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
661 } else if (report & SAA7134_IRQ_REPORT_GPIO16) {
662 /* disable gpio16 IRQ */
663 printk(KERN_WARNING "%s/irq: looping -- "
664 "clearing GPIO16 enable bit\n",dev->name);
665 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO16);
666 } else if (report & SAA7134_IRQ_REPORT_GPIO18) {
667 /* disable gpio18 IRQs */
668 printk(KERN_WARNING "%s/irq: looping -- "
669 "clearing GPIO18 enable bit\n",dev->name);
670 saa_clearl(SAA7134_IRQ2, SAA7134_IRQ2_INTE_GPIO18);
672 /* disable all irqs */
673 printk(KERN_WARNING "%s/irq: looping -- "
674 "clearing all enable bits\n",dev->name);
675 saa_writel(SAA7134_IRQ1,0);
676 saa_writel(SAA7134_IRQ2,0);
681 return IRQ_RETVAL(handled);
684 /* ------------------------------------------------------------------ */
686 /* early init (no i2c, no irq) */
688 static int saa7134_hw_enable1(struct saa7134_dev *dev)
690 /* RAM FIFO config */
691 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
692 saa_writel(SAA7134_THRESHOULD, 0x02020202);
694 /* enable audio + video processing */
695 saa_writel(SAA7134_MAIN_CTRL,
696 SAA7134_MAIN_CTRL_VPLLE |
697 SAA7134_MAIN_CTRL_APLLE |
698 SAA7134_MAIN_CTRL_EXOSC |
699 SAA7134_MAIN_CTRL_EVFE1 |
700 SAA7134_MAIN_CTRL_EVFE2 |
701 SAA7134_MAIN_CTRL_ESFE |
702 SAA7134_MAIN_CTRL_EBDAC);
705 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
706 * OSS initialization writes to registers via the audio DSP; these
707 * writes will fail unless the audio clock has been started. At worst,
708 * audio will not work.
711 /* enable peripheral devices */
712 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
714 /* set vertical line numbering start (vbi needs this) */
715 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
720 static int saa7134_hwinit1(struct saa7134_dev *dev)
722 dprintk("hwinit1\n");
724 saa_writel(SAA7134_IRQ1, 0);
725 saa_writel(SAA7134_IRQ2, 0);
726 mutex_init(&dev->lock);
727 spin_lock_init(&dev->slock);
729 saa7134_track_gpio(dev,"pre-init");
730 saa7134_video_init1(dev);
731 saa7134_vbi_init1(dev);
732 if (card_has_mpeg(dev))
733 saa7134_ts_init1(dev);
734 saa7134_input_init1(dev);
736 saa7134_hw_enable1(dev);
741 /* late init (with i2c + irq) */
742 static int saa7134_hw_enable2(struct saa7134_dev *dev)
745 unsigned int irq2_mask;
749 SAA7134_IRQ2_INTE_DEC3 |
750 SAA7134_IRQ2_INTE_DEC2 |
751 SAA7134_IRQ2_INTE_DEC1 |
752 SAA7134_IRQ2_INTE_DEC0 |
753 SAA7134_IRQ2_INTE_PE |
754 SAA7134_IRQ2_INTE_AR;
756 if (dev->has_remote == SAA7134_REMOTE_GPIO && dev->remote) {
757 if (dev->remote->mask_keydown & 0x10000)
758 irq2_mask |= SAA7134_IRQ2_INTE_GPIO16;
759 else if (dev->remote->mask_keydown & 0x40000)
760 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18;
761 else if (dev->remote->mask_keyup & 0x40000)
762 irq2_mask |= SAA7134_IRQ2_INTE_GPIO18A;
765 saa_writel(SAA7134_IRQ1, 0);
766 saa_writel(SAA7134_IRQ2, irq2_mask);
771 static int saa7134_hwinit2(struct saa7134_dev *dev)
774 dprintk("hwinit2\n");
776 saa7134_video_init2(dev);
777 saa7134_tvaudio_init2(dev);
779 saa7134_hw_enable2(dev);
786 static int saa7134_hwfini(struct saa7134_dev *dev)
790 if (card_has_mpeg(dev))
791 saa7134_ts_fini(dev);
792 saa7134_input_fini(dev);
793 saa7134_vbi_fini(dev);
794 saa7134_tvaudio_fini(dev);
798 static void __devinit must_configure_manually(void)
804 "saa7134: Congratulations! Your TV card vendor saved a few\n"
805 "saa7134: cents for a eeprom, thus your pci board has no\n"
806 "saa7134: subsystem ID and I can't identify it automatically\n"
808 "saa7134: I feel better now. Ok, here are the good news:\n"
809 "saa7134: You can use the card=<nr> insmod option to specify\n"
810 "saa7134: which board do you have. The list:\n");
811 for (i = 0; i < saa7134_bcount; i++) {
812 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
813 i,saa7134_boards[i].name);
814 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
815 if (saa7134_pci_tbl[p].driver_data != i)
818 saa7134_pci_tbl[p].subvendor,
819 saa7134_pci_tbl[p].subdevice);
825 static struct video_device *vdev_init(struct saa7134_dev *dev,
826 struct video_device *template,
829 struct video_device *vfd;
831 vfd = video_device_alloc();
836 vfd->dev = &dev->pci->dev;
837 vfd->release = video_device_release;
838 vfd->debug = video_debug;
839 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
840 dev->name, type, saa7134_boards[dev->board].name);
844 static void saa7134_unregister_video(struct saa7134_dev *dev)
846 if (dev->video_dev) {
847 if (-1 != dev->video_dev->minor)
848 video_unregister_device(dev->video_dev);
850 video_device_release(dev->video_dev);
851 dev->video_dev = NULL;
854 if (-1 != dev->vbi_dev->minor)
855 video_unregister_device(dev->vbi_dev);
857 video_device_release(dev->vbi_dev);
860 if (dev->radio_dev) {
861 if (-1 != dev->radio_dev->minor)
862 video_unregister_device(dev->radio_dev);
864 video_device_release(dev->radio_dev);
865 dev->radio_dev = NULL;
869 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
870 struct saa7134_dev *dev)
874 if (NULL != dev->mops)
876 if (saa7134_boards[dev->board].mpeg != ops->type)
878 err = ops->init(dev);
884 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
885 struct saa7134_dev *dev)
887 if (NULL == dev->mops)
889 if (dev->mops != ops)
891 dev->mops->fini(dev);
895 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
896 const struct pci_device_id *pci_id)
898 struct saa7134_dev *dev;
899 struct saa7134_mpeg_ops *mops;
902 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
908 if (pci_enable_device(pci_dev)) {
913 dev->nr = saa7134_devcount;
914 sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
917 if (pci_pci_problems) {
918 if (pci_pci_problems & PCIPCI_TRITON)
919 printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
920 if (pci_pci_problems & PCIPCI_NATOMA)
921 printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
922 if (pci_pci_problems & PCIPCI_VIAETBF)
923 printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
924 if (pci_pci_problems & PCIPCI_VSFX)
925 printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
926 #ifdef PCIPCI_ALIMAGIK
927 if (pci_pci_problems & PCIPCI_ALIMAGIK) {
928 printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
933 if (pci_pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL)) {
934 printk(KERN_INFO "%s: quirk: this driver and your "
935 "chipset may not work together"
936 " in overlay mode.\n",dev->name);
937 if (!saa7134_no_overlay) {
938 printk(KERN_INFO "%s: quirk: overlay "
939 "mode will be disabled.\n",
941 saa7134_no_overlay = 1;
943 printk(KERN_INFO "%s: quirk: overlay "
944 "mode will be forced. Use this"
945 " option at your own risk.\n",
950 if (UNSET != latency) {
951 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
953 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
957 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
958 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
959 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
960 "latency: %d, mmio: 0x%llx\n", dev->name,
961 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
962 dev->pci_lat,(unsigned long long)pci_resource_start(pci_dev,0));
963 pci_set_master(pci_dev);
964 if (!pci_dma_supported(pci_dev, DMA_32BIT_MASK)) {
965 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
971 dev->board = pci_id->driver_data;
972 if (card[dev->nr] >= 0 &&
973 card[dev->nr] < saa7134_bcount)
974 dev->board = card[dev->nr];
975 if (SAA7134_BOARD_NOAUTO == dev->board) {
976 must_configure_manually();
977 dev->board = SAA7134_BOARD_UNKNOWN;
979 dev->autodetected = card[dev->nr] != dev->board;
980 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
981 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
982 if (UNSET != tuner[dev->nr])
983 dev->tuner_type = tuner[dev->nr];
984 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
985 dev->name,pci_dev->subsystem_vendor,
986 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
987 dev->board, dev->autodetected ?
988 "autodetected" : "insmod option");
991 if (!request_mem_region(pci_resource_start(pci_dev,0),
992 pci_resource_len(pci_dev,0),
995 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx\n",
996 dev->name,(unsigned long long)pci_resource_start(pci_dev,0));
999 dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
1000 dev->bmmio = (__u8 __iomem *)dev->lmmio;
1001 if (NULL == dev->lmmio) {
1003 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
1008 /* initialize hardware #1 */
1009 saa7134_board_init1(dev);
1010 saa7134_hwinit1(dev);
1013 err = request_irq(pci_dev->irq, saa7134_irq,
1014 IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
1016 printk(KERN_ERR "%s: can't get IRQ %d\n",
1017 dev->name,pci_dev->irq);
1021 /* wait a bit, register i2c bus */
1023 saa7134_i2c_register(dev);
1025 /* initialize hardware #2 */
1026 if (TUNER_ABSENT != dev->tuner_type)
1027 request_module("tuner");
1028 saa7134_board_init2(dev);
1030 saa7134_hwinit2(dev);
1032 /* load i2c helpers */
1033 if (card_is_empress(dev)) {
1034 request_module("saa6752hs");
1037 request_submodules(dev);
1039 v4l2_prio_init(&dev->prio);
1041 /* register v4l devices */
1042 if (saa7134_no_overlay <= 0) {
1043 saa7134_video_template.type |= VID_TYPE_OVERLAY;
1045 printk("%s: Overlay support disabled.\n",dev->name);
1047 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
1048 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
1051 printk(KERN_INFO "%s: can't register video device\n",
1055 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
1056 dev->name,dev->video_dev->minor & 0x1f);
1058 dev->vbi_dev = vdev_init(dev, &saa7134_video_template, "vbi");
1059 dev->vbi_dev->type = VID_TYPE_TUNER | VID_TYPE_TELETEXT;
1061 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
1065 printk(KERN_INFO "%s: registered device vbi%d\n",
1066 dev->name,dev->vbi_dev->minor & 0x1f);
1068 if (card_has_radio(dev)) {
1069 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
1070 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1074 printk(KERN_INFO "%s: registered device radio%d\n",
1075 dev->name,dev->radio_dev->minor & 0x1f);
1078 /* everything worked */
1079 pci_set_drvdata(pci_dev,dev);
1082 mutex_lock(&devlist_lock);
1083 list_for_each_entry(mops, &mops_list, next)
1084 mpeg_ops_attach(mops, dev);
1085 list_add_tail(&dev->devlist,&saa7134_devlist);
1086 mutex_unlock(&devlist_lock);
1088 /* check for signal */
1089 saa7134_irq_video_signalchange(dev);
1091 if (saa7134_dmasound_init && !dev->dmasound.priv_data) {
1092 saa7134_dmasound_init(dev);
1095 if (TUNER_ABSENT != dev->tuner_type)
1096 saa7134_i2c_call_clients(dev, TUNER_SET_STANDBY, NULL);
1101 saa7134_unregister_video(dev);
1102 saa7134_i2c_unregister(dev);
1103 free_irq(pci_dev->irq, dev);
1105 saa7134_hwfini(dev);
1106 iounmap(dev->lmmio);
1108 release_mem_region(pci_resource_start(pci_dev,0),
1109 pci_resource_len(pci_dev,0));
1115 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1117 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1118 struct saa7134_mpeg_ops *mops;
1120 /* Release DMA sound modules if present */
1121 if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
1122 saa7134_dmasound_exit(dev);
1127 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1128 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1129 print_irqstatus(dev,42,report,status);
1132 /* disable peripheral devices */
1133 saa_writeb(SAA7134_SPECIAL_MODE,0);
1135 /* shutdown hardware */
1136 saa_writel(SAA7134_IRQ1,0);
1137 saa_writel(SAA7134_IRQ2,0);
1138 saa_writel(SAA7134_MAIN_CTRL,0);
1140 /* shutdown subsystems */
1141 saa7134_hwfini(dev);
1144 mutex_lock(&devlist_lock);
1145 list_del(&dev->devlist);
1146 list_for_each_entry(mops, &mops_list, next)
1147 mpeg_ops_detach(mops, dev);
1148 mutex_unlock(&devlist_lock);
1151 saa7134_i2c_unregister(dev);
1152 saa7134_unregister_video(dev);
1155 /* the DMA sound modules should be unloaded before reaching
1156 this, but just in case they are still present... */
1157 if (dev->dmasound.priv_data != NULL) {
1158 free_irq(pci_dev->irq, &dev->dmasound);
1159 dev->dmasound.priv_data = NULL;
1163 /* release resources */
1164 free_irq(pci_dev->irq, dev);
1165 iounmap(dev->lmmio);
1166 release_mem_region(pci_resource_start(pci_dev,0),
1167 pci_resource_len(pci_dev,0));
1169 pci_set_drvdata(pci_dev, NULL);
1176 static int saa7134_suspend(struct pci_dev *pci_dev , pm_message_t state)
1179 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1181 /* disable overlay - apps should enable it explicitly on resume*/
1184 /* Disable interrupts, DMA, and rest of the chip*/
1185 saa_writel(SAA7134_IRQ1, 0);
1186 saa_writel(SAA7134_IRQ2, 0);
1187 saa_writel(SAA7134_MAIN_CTRL, 0);
1190 synchronize_irq(pci_dev->irq);
1192 /* ACK interrupts once more, just in case,
1193 since the IRQ handler won't ack them anymore*/
1195 saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT));
1197 /* Disable timeout timers - if we have active buffers, we will
1198 fill them on resume*/
1200 del_timer(&dev->video_q.timeout);
1201 del_timer(&dev->vbi_q.timeout);
1202 del_timer(&dev->ts_q.timeout);
1205 saa7134_ir_stop(dev);
1207 pci_save_state(pci_dev);
1208 pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
1213 static int saa7134_resume(struct pci_dev *pci_dev)
1215 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1216 unsigned long flags;
1218 pci_set_power_state(pci_dev, PCI_D0);
1219 pci_restore_state(pci_dev);
1221 /* Do things that are done in saa7134_initdev ,
1222 except of initializing memory structures.*/
1224 saa7134_board_init1(dev);
1226 /* saa7134_hwinit1 */
1227 if (saa7134_boards[dev->board].video_out)
1228 saa7134_videoport_init(dev);
1229 if (card_has_mpeg(dev))
1230 saa7134_ts_init_hw(dev);
1232 saa7134_ir_start(dev, dev->remote);
1233 saa7134_hw_enable1(dev);
1237 saa7134_board_init2(dev);
1240 saa7134_set_tvnorm_hw(dev);
1241 saa7134_tvaudio_setmute(dev);
1242 saa7134_tvaudio_setvolume(dev, dev->ctl_volume);
1243 saa7134_tvaudio_init(dev);
1244 saa7134_tvaudio_do_scan(dev);
1245 saa7134_enable_i2s(dev);
1246 saa7134_hw_enable2(dev);
1248 saa7134_irq_video_signalchange(dev);
1250 /*resume unfinished buffer(s)*/
1251 spin_lock_irqsave(&dev->slock, flags);
1252 saa7134_buffer_requeue(dev, &dev->video_q);
1253 saa7134_buffer_requeue(dev, &dev->vbi_q);
1254 saa7134_buffer_requeue(dev, &dev->ts_q);
1256 /* FIXME: Disable DMA audio sound - temporary till proper support
1259 dev->dmasound.dma_running = 0;
1264 saa7134_set_dmabits(dev);
1265 spin_unlock_irqrestore(&dev->slock, flags);
1271 /* ----------------------------------------------------------- */
1273 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1275 struct saa7134_dev *dev;
1277 mutex_lock(&devlist_lock);
1278 list_for_each_entry(dev, &saa7134_devlist, devlist)
1279 mpeg_ops_attach(ops, dev);
1280 list_add_tail(&ops->next,&mops_list);
1281 mutex_unlock(&devlist_lock);
1285 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1287 struct saa7134_dev *dev;
1289 mutex_lock(&devlist_lock);
1290 list_del(&ops->next);
1291 list_for_each_entry(dev, &saa7134_devlist, devlist)
1292 mpeg_ops_detach(ops, dev);
1293 mutex_unlock(&devlist_lock);
1296 EXPORT_SYMBOL(saa7134_ts_register);
1297 EXPORT_SYMBOL(saa7134_ts_unregister);
1299 /* ----------------------------------------------------------- */
1301 static struct pci_driver saa7134_pci_driver = {
1303 .id_table = saa7134_pci_tbl,
1304 .probe = saa7134_initdev,
1305 .remove = __devexit_p(saa7134_finidev),
1307 .suspend = saa7134_suspend,
1308 .resume = saa7134_resume
1312 static int saa7134_init(void)
1314 INIT_LIST_HEAD(&saa7134_devlist);
1315 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1316 (SAA7134_VERSION_CODE >> 16) & 0xff,
1317 (SAA7134_VERSION_CODE >> 8) & 0xff,
1318 SAA7134_VERSION_CODE & 0xff);
1320 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1321 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1323 return pci_register_driver(&saa7134_pci_driver);
1326 static void saa7134_fini(void)
1328 pci_unregister_driver(&saa7134_pci_driver);
1331 module_init(saa7134_init);
1332 module_exit(saa7134_fini);
1334 /* ----------------------------------------------------------- */
1336 EXPORT_SYMBOL(saa7134_set_gpio);
1337 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1338 EXPORT_SYMBOL(saa7134_devlist);
1339 EXPORT_SYMBOL(saa7134_boards);
1341 /* ----------------- for the DMA sound modules --------------- */
1343 EXPORT_SYMBOL(saa7134_dmasound_init);
1344 EXPORT_SYMBOL(saa7134_dmasound_exit);
1345 EXPORT_SYMBOL(saa7134_pgtable_free);
1346 EXPORT_SYMBOL(saa7134_pgtable_build);
1347 EXPORT_SYMBOL(saa7134_pgtable_alloc);
1348 EXPORT_SYMBOL(saa7134_set_dmabits);
1350 /* ----------------------------------------------------------- */