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/config.h>
24 #include <linux/init.h>
25 #include <linux/list.h>
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/kernel.h>
29 #include <linux/slab.h>
30 #include <linux/kmod.h>
31 #include <linux/sound.h>
32 #include <linux/interrupt.h>
33 #include <linux/delay.h>
35 #include "saa7134-reg.h"
38 MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
39 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
42 /* ------------------------------------------------------------------ */
44 static unsigned int irq_debug = 0;
45 module_param(irq_debug, int, 0644);
46 MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
48 static unsigned int core_debug = 0;
49 module_param(core_debug, int, 0644);
50 MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
52 static unsigned int gpio_tracking = 0;
53 module_param(gpio_tracking, int, 0644);
54 MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
56 static unsigned int oss = 0;
57 module_param(oss, int, 0444);
58 MODULE_PARM_DESC(oss,"register oss devices (default: no)");
60 static unsigned int alsa = 0;
61 module_param(alsa, int, 0444);
62 MODULE_PARM_DESC(alsa,"register alsa devices (default: no)");
64 static unsigned int latency = UNSET;
65 module_param(latency, int, 0444);
66 MODULE_PARM_DESC(latency,"pci latency timer");
68 static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
69 static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
70 static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
71 static unsigned int dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
72 static unsigned int mixer_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 };
76 module_param_array(video_nr, int, NULL, 0444);
77 module_param_array(vbi_nr, int, NULL, 0444);
78 module_param_array(radio_nr, int, NULL, 0444);
79 module_param_array(dsp_nr, int, NULL, 0444);
80 module_param_array(mixer_nr, int, NULL, 0444);
81 module_param_array(tuner, int, NULL, 0444);
82 module_param_array(card, int, NULL, 0444);
84 MODULE_PARM_DESC(video_nr, "video device number");
85 MODULE_PARM_DESC(vbi_nr, "vbi device number");
86 MODULE_PARM_DESC(radio_nr, "radio device number");
87 MODULE_PARM_DESC(dsp_nr, "oss dsp device number");
88 MODULE_PARM_DESC(mixer_nr, "oss mixer device number");
89 MODULE_PARM_DESC(tuner, "tuner type");
90 MODULE_PARM_DESC(card, "card type");
92 static DECLARE_MUTEX(devlist_lock);
93 LIST_HEAD(saa7134_devlist);
94 static LIST_HEAD(mops_list);
95 static unsigned int saa7134_devcount;
97 #define dprintk(fmt, arg...) if (core_debug) \
98 printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
100 /* ------------------------------------------------------------------ */
101 /* debug help functions */
103 static const char *v4l1_ioctls[] = {
104 "0", "GCAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
105 "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
106 "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
107 "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
108 "SMICROCODE", "GVBIFMT", "SVBIFMT" };
109 #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
111 static const char *v4l2_ioctls[] = {
112 "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT",
113 "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF",
114 "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON",
115 "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD",
116 "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER",
117 "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL",
118 "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43",
119 "44", "45", "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT",
120 "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR",
123 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
125 static const char *osspcm_ioctls[] = {
126 "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT",
127 "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS",
128 "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER",
129 "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO",
130 "SETDUPLEX", "GETODELAY"
132 #define OSSPCM_IOCTLS ARRAY_SIZE(v4l2_ioctls)
134 void saa7134_print_ioctl(char *name, unsigned int cmd)
138 switch (_IOC_DIR(cmd)) {
139 case _IOC_NONE: dir = "--"; break;
140 case _IOC_READ: dir = "r-"; break;
141 case _IOC_WRITE: dir = "-w"; break;
142 case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
143 default: dir = "??"; break;
145 switch (_IOC_TYPE(cmd)) {
147 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n",
148 name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
149 v4l1_ioctls[_IOC_NR(cmd)] : "???");
152 printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n",
153 name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ?
154 v4l2_ioctls[_IOC_NR(cmd)] : "???");
157 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n",
158 name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ?
159 osspcm_ioctls[_IOC_NR(cmd)] : "???");
162 printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n",
163 name, cmd, dir, _IOC_NR(cmd));
166 printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
167 name, cmd, dir, _IOC_NR(cmd));
171 void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
173 unsigned long mode,status;
177 /* rising SAA7134_GPIO_GPRESCAN reads the status */
178 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
179 saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
180 mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
181 status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
183 "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
184 dev->name, mode, (~mode) & status, mode & status, msg);
187 /* ------------------------------------------------------------------ */
190 /* ----------------------------------------------------------- */
191 /* delayed request_module */
193 #ifdef CONFIG_MODULES
195 static int need_empress;
198 static int pending_call(struct notifier_block *self, unsigned long state,
201 if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
205 request_module("saa7134-empress");
207 request_module("saa7134-dvb");
211 static int pending_registered;
212 static struct notifier_block pending_notifier = {
213 .notifier_call = pending_call,
216 static void request_module_depend(char *name, int *flag)
218 switch (THIS_MODULE->state) {
219 case MODULE_STATE_COMING:
220 if (!pending_registered) {
221 register_module_notifier(&pending_notifier);
222 pending_registered = 1;
226 case MODULE_STATE_LIVE:
227 request_module(name);
237 #define request_module_depend(name,flag)
239 #endif /* CONFIG_MODULES */
241 /* ------------------------------------------------------------------ */
243 /* nr of (saa7134-)pages for the given buffer size */
244 static int saa7134_buffer_pages(int size)
246 size = PAGE_ALIGN(size);
247 size += PAGE_SIZE; /* for non-page-aligned buffers */
252 /* calc max # of buffers from size (must not exceed the 4MB virtual
253 * address space per DMA channel) */
254 int saa7134_buffer_count(unsigned int size, unsigned int count)
256 unsigned int maxcount;
258 maxcount = 1024 / saa7134_buffer_pages(size);
259 if (count > maxcount)
264 int saa7134_buffer_startpage(struct saa7134_buf *buf)
266 return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
269 unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
273 base = saa7134_buffer_startpage(buf) * 4096;
274 base += buf->vb.dma.sglist[0].offset;
278 /* ------------------------------------------------------------------ */
280 int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
285 cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
288 pt->size = SAA7134_PGTABLE_SIZE;
294 int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
295 struct scatterlist *list, unsigned int length,
296 unsigned int startpage)
301 BUG_ON(NULL == pt || NULL == pt->cpu);
303 ptr = pt->cpu + startpage;
304 for (i = 0; i < length; i++, list++)
305 for (p = 0; p * 4096 < list->length; p++, ptr++)
306 *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
310 void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
314 pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
318 /* ------------------------------------------------------------------ */
320 void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf)
325 videobuf_waiton(&buf->vb,0,0);
326 videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
327 videobuf_dma_free(&buf->vb.dma);
328 buf->vb.state = STATE_NEEDS_INIT;
331 /* ------------------------------------------------------------------ */
333 int saa7134_buffer_queue(struct saa7134_dev *dev,
334 struct saa7134_dmaqueue *q,
335 struct saa7134_buf *buf)
337 struct saa7134_buf *next = NULL;
339 assert_spin_locked(&dev->slock);
340 dprintk("buffer_queue %p\n",buf);
341 if (NULL == q->curr) {
344 buf->activate(dev,buf,NULL);
345 } else if (list_empty(&q->queue)) {
346 list_add_tail(&buf->vb.queue,&q->queue);
347 buf->vb.state = STATE_QUEUED;
349 next = list_entry(q->queue.next,struct saa7134_buf,
352 buf->activate(dev,buf,next);
355 list_add_tail(&buf->vb.queue,&q->queue);
356 buf->vb.state = STATE_QUEUED;
361 void saa7134_buffer_finish(struct saa7134_dev *dev,
362 struct saa7134_dmaqueue *q,
365 assert_spin_locked(&dev->slock);
366 dprintk("buffer_finish %p\n",q->curr);
368 /* finish current buffer */
369 q->curr->vb.state = state;
370 do_gettimeofday(&q->curr->vb.ts);
371 wake_up(&q->curr->vb.done);
375 void saa7134_buffer_next(struct saa7134_dev *dev,
376 struct saa7134_dmaqueue *q)
378 struct saa7134_buf *buf,*next = NULL;
380 assert_spin_locked(&dev->slock);
381 BUG_ON(NULL != q->curr);
383 if (!list_empty(&q->queue)) {
384 /* activate next one from queue */
385 buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
386 dprintk("buffer_next %p [prev=%p/next=%p]\n",
387 buf,q->queue.prev,q->queue.next);
388 list_del(&buf->vb.queue);
389 if (!list_empty(&q->queue))
390 next = list_entry(q->queue.next,struct saa7134_buf,
393 buf->activate(dev,buf,next);
394 dprintk("buffer_next #2 prev=%p/next=%p\n",
395 q->queue.prev,q->queue.next);
397 /* nothing to do -- just stop DMA */
398 dprintk("buffer_next %p\n",NULL);
399 saa7134_set_dmabits(dev);
400 del_timer(&q->timeout);
404 void saa7134_buffer_timeout(unsigned long data)
406 struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
407 struct saa7134_dev *dev = q->dev;
410 spin_lock_irqsave(&dev->slock,flags);
412 /* try to reset the hardware (SWRST) */
413 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
414 saa_writeb(SAA7134_REGION_ENABLE, 0x80);
415 saa_writeb(SAA7134_REGION_ENABLE, 0x00);
417 /* flag current buffer as failed,
418 try to start over with the next one. */
420 dprintk("timeout on %p\n",q->curr);
421 saa7134_buffer_finish(dev,q,STATE_ERROR);
423 saa7134_buffer_next(dev,q);
424 spin_unlock_irqrestore(&dev->slock,flags);
427 /* ------------------------------------------------------------------ */
429 int saa7134_set_dmabits(struct saa7134_dev *dev)
431 u32 split, task=0, ctrl=0, irq=0;
432 enum v4l2_field cap = V4L2_FIELD_ANY;
433 enum v4l2_field ov = V4L2_FIELD_ANY;
435 assert_spin_locked(&dev->slock);
437 /* video capture -- dma 0 + video task A */
438 if (dev->video_q.curr) {
440 ctrl |= SAA7134_MAIN_CTRL_TE0;
441 irq |= SAA7134_IRQ1_INTE_RA0_1 |
442 SAA7134_IRQ1_INTE_RA0_0;
443 cap = dev->video_q.curr->vb.field;
446 /* video capture -- dma 1+2 (planar modes) */
447 if (dev->video_q.curr &&
448 dev->video_q.curr->fmt->planar) {
449 ctrl |= SAA7134_MAIN_CTRL_TE4 |
450 SAA7134_MAIN_CTRL_TE5;
453 /* screen overlay -- dma 0 + video task B */
456 ctrl |= SAA7134_MAIN_CTRL_TE1;
460 /* vbi capture -- dma 0 + vbi task A+B */
461 if (dev->vbi_q.curr) {
463 ctrl |= SAA7134_MAIN_CTRL_TE2 |
464 SAA7134_MAIN_CTRL_TE3;
465 irq |= SAA7134_IRQ1_INTE_RA0_7 |
466 SAA7134_IRQ1_INTE_RA0_6 |
467 SAA7134_IRQ1_INTE_RA0_5 |
468 SAA7134_IRQ1_INTE_RA0_4;
471 /* audio capture -- dma 3 */
472 if (dev->oss.dma_running) {
473 ctrl |= SAA7134_MAIN_CTRL_TE6;
474 irq |= SAA7134_IRQ1_INTE_RA3_1 |
475 SAA7134_IRQ1_INTE_RA3_0;
478 /* TS capture -- dma 5 */
479 if (dev->ts_q.curr) {
480 ctrl |= SAA7134_MAIN_CTRL_TE5;
481 irq |= SAA7134_IRQ1_INTE_RA2_3 |
482 SAA7134_IRQ1_INTE_RA2_2 |
483 SAA7134_IRQ1_INTE_RA2_1 |
484 SAA7134_IRQ1_INTE_RA2_0;
487 /* set task conditions + field handling */
488 if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
489 /* default config -- use full frames */
490 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
491 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
492 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
493 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
496 /* split fields between tasks */
497 if (V4L2_FIELD_TOP == cap) {
498 /* odd A, even B, repeat */
499 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
500 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
502 /* odd B, even A, repeat */
503 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
504 saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
506 saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
507 saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
512 saa_writeb(SAA7134_REGION_ENABLE, task);
513 saa_writel(SAA7134_IRQ1, irq);
514 saa_andorl(SAA7134_MAIN_CTRL,
515 SAA7134_MAIN_CTRL_TE0 |
516 SAA7134_MAIN_CTRL_TE1 |
517 SAA7134_MAIN_CTRL_TE2 |
518 SAA7134_MAIN_CTRL_TE3 |
519 SAA7134_MAIN_CTRL_TE4 |
520 SAA7134_MAIN_CTRL_TE5 |
521 SAA7134_MAIN_CTRL_TE6,
523 dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
524 task, ctrl, irq, split ? "no" : "yes");
529 /* ------------------------------------------------------------------ */
530 /* IRQ handler + helpers */
532 static char *irqbits[] = {
533 "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
534 "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
535 "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
536 "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
538 #define IRQBITS ARRAY_SIZE(irqbits)
540 static void print_irqstatus(struct saa7134_dev *dev, int loop,
541 unsigned long report, unsigned long status)
545 printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
546 dev->name,loop,jiffies,report,status);
547 for (i = 0; i < IRQBITS; i++) {
548 if (!(report & (1 << i)))
550 printk(" %s",irqbits[i]);
552 if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
553 printk(" | RA0=%s,%s,%s,%ld",
554 (status & 0x40) ? "vbi" : "video",
555 (status & 0x20) ? "b" : "a",
556 (status & 0x10) ? "odd" : "even",
562 static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
564 struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
565 unsigned long report,status;
566 int loop, handled = 0;
568 for (loop = 0; loop < 10; loop++) {
569 report = saa_readl(SAA7134_IRQ_REPORT);
570 status = saa_readl(SAA7134_IRQ_STATUS);
573 printk(KERN_DEBUG "%s/irq: no (more) work\n",
578 saa_writel(SAA7134_IRQ_REPORT,report);
580 print_irqstatus(dev,loop,report,status);
583 if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
584 saa7134_irq_video_intl(dev);
586 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
587 (status & 0x60) == 0)
588 saa7134_irq_video_done(dev,status);
590 if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
591 (status & 0x40) == 0x40)
592 saa7134_irq_vbi_done(dev,status);
594 if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
596 saa7134_irq_ts_done(dev,status);
598 if ((report & SAA7134_IRQ_REPORT_DONE_RA3)) {
600 saa7134_irq_oss_done(dev,status);
602 saa7134_irq_alsa_done(dev,status);
606 if ((report & (SAA7134_IRQ_REPORT_GPIO16 |
607 SAA7134_IRQ_REPORT_GPIO18)) &&
609 saa7134_input_irq(dev);
614 print_irqstatus(dev,loop,report,status);
615 if (report & SAA7134_IRQ_REPORT_PE) {
616 /* disable all parity error */
617 printk(KERN_WARNING "%s/irq: looping -- "
618 "clearing PE (parity error!) enable bit\n",dev->name);
619 saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
620 } else if (report & (SAA7134_IRQ_REPORT_GPIO16 |
621 SAA7134_IRQ_REPORT_GPIO18)) {
622 /* disable gpio IRQs */
623 printk(KERN_WARNING "%s/irq: looping -- "
624 "clearing GPIO enable bits\n",dev->name);
625 saa_clearl(SAA7134_IRQ2, (SAA7134_IRQ2_INTE_GPIO16 |
626 SAA7134_IRQ2_INTE_GPIO18));
628 /* disable all irqs */
629 printk(KERN_WARNING "%s/irq: looping -- "
630 "clearing all enable bits\n",dev->name);
631 saa_writel(SAA7134_IRQ1,0);
632 saa_writel(SAA7134_IRQ2,0);
637 return IRQ_RETVAL(handled);
640 /* ------------------------------------------------------------------ */
642 /* early init (no i2c, no irq) */
643 static int saa7134_hwinit1(struct saa7134_dev *dev)
645 dprintk("hwinit1\n");
647 saa_writel(SAA7134_IRQ1, 0);
648 saa_writel(SAA7134_IRQ2, 0);
649 init_MUTEX(&dev->lock);
650 spin_lock_init(&dev->slock);
652 saa7134_track_gpio(dev,"pre-init");
653 saa7134_video_init1(dev);
654 saa7134_vbi_init1(dev);
655 if (card_has_mpeg(dev))
656 saa7134_ts_init1(dev);
657 saa7134_input_init1(dev);
659 /* RAM FIFO config */
660 saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
661 saa_writel(SAA7134_THRESHOULD,0x02020202);
663 /* enable audio + video processing */
664 saa_writel(SAA7134_MAIN_CTRL,
665 SAA7134_MAIN_CTRL_VPLLE |
666 SAA7134_MAIN_CTRL_APLLE |
667 SAA7134_MAIN_CTRL_EXOSC |
668 SAA7134_MAIN_CTRL_EVFE1 |
669 SAA7134_MAIN_CTRL_EVFE2 |
670 SAA7134_MAIN_CTRL_ESFE |
671 SAA7134_MAIN_CTRL_EBDAC);
674 * Initialize OSS _after_ enabling audio clock PLL and audio processing.
675 * OSS initialization writes to registers via the audio DSP; these
676 * writes will fail unless the audio clock has been started. At worst,
677 * audio will not work.
680 switch (dev->pci->device) {
681 case PCI_DEVICE_ID_PHILIPS_SAA7134:
682 case PCI_DEVICE_ID_PHILIPS_SAA7133:
683 case PCI_DEVICE_ID_PHILIPS_SAA7135:
684 saa7134_oss_init1(dev);
688 /* enable peripheral devices */
689 saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
691 /* set vertical line numbering start (vbi needs this) */
692 saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
697 /* late init (with i2c + irq) */
698 static int saa7134_hwinit2(struct saa7134_dev *dev)
700 unsigned int irq2_mask;
701 dprintk("hwinit2\n");
703 saa7134_video_init2(dev);
704 saa7134_tvaudio_init2(dev);
708 SAA7134_IRQ2_INTE_DEC3 |
709 SAA7134_IRQ2_INTE_DEC2 |
710 SAA7134_IRQ2_INTE_DEC1 |
711 SAA7134_IRQ2_INTE_DEC0 |
712 SAA7134_IRQ2_INTE_PE |
713 SAA7134_IRQ2_INTE_AR;
716 irq2_mask |= (SAA7134_IRQ2_INTE_GPIO18 |
717 SAA7134_IRQ2_INTE_GPIO18A |
718 SAA7134_IRQ2_INTE_GPIO16 );
720 saa_writel(SAA7134_IRQ1, 0);
721 saa_writel(SAA7134_IRQ2, irq2_mask);
727 static int saa7134_hwfini(struct saa7134_dev *dev)
731 switch (dev->pci->device) {
732 case PCI_DEVICE_ID_PHILIPS_SAA7134:
733 case PCI_DEVICE_ID_PHILIPS_SAA7133:
734 case PCI_DEVICE_ID_PHILIPS_SAA7135:
735 saa7134_oss_fini(dev);
738 if (card_has_mpeg(dev))
739 saa7134_ts_fini(dev);
740 saa7134_input_fini(dev);
741 saa7134_vbi_fini(dev);
742 saa7134_video_fini(dev);
743 saa7134_tvaudio_fini(dev);
747 static void __devinit must_configure_manually(void)
753 "saa7134: Congratulations! Your TV card vendor saved a few\n"
754 "saa7134: cents for a eeprom, thus your pci board has no\n"
755 "saa7134: subsystem ID and I can't identify it automatically\n"
757 "saa7134: I feel better now. Ok, here are the good news:\n"
758 "saa7134: You can use the card=<nr> insmod option to specify\n"
759 "saa7134: which board do you have. The list:\n");
760 for (i = 0; i < saa7134_bcount; i++) {
761 printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
762 i,saa7134_boards[i].name);
763 for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
764 if (saa7134_pci_tbl[p].driver_data != i)
767 saa7134_pci_tbl[p].subvendor,
768 saa7134_pci_tbl[p].subdevice);
774 static struct video_device *vdev_init(struct saa7134_dev *dev,
775 struct video_device *template,
778 struct video_device *vfd;
780 vfd = video_device_alloc();
785 vfd->dev = &dev->pci->dev;
786 vfd->release = video_device_release;
787 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
788 dev->name, type, saa7134_boards[dev->board].name);
792 static void saa7134_unregister_video(struct saa7134_dev *dev)
794 if (dev->video_dev) {
795 if (-1 != dev->video_dev->minor)
796 video_unregister_device(dev->video_dev);
798 video_device_release(dev->video_dev);
799 dev->video_dev = NULL;
802 if (-1 != dev->vbi_dev->minor)
803 video_unregister_device(dev->vbi_dev);
805 video_device_release(dev->vbi_dev);
808 if (dev->radio_dev) {
809 if (-1 != dev->radio_dev->minor)
810 video_unregister_device(dev->radio_dev);
812 video_device_release(dev->radio_dev);
813 dev->radio_dev = NULL;
817 static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
818 struct saa7134_dev *dev)
822 if (NULL != dev->mops)
824 if (saa7134_boards[dev->board].mpeg != ops->type)
826 err = ops->init(dev);
832 static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
833 struct saa7134_dev *dev)
835 if (NULL == dev->mops)
837 if (dev->mops != ops)
839 dev->mops->fini(dev);
843 static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
844 const struct pci_device_id *pci_id)
846 struct saa7134_dev *dev;
847 struct list_head *item;
848 struct saa7134_mpeg_ops *mops;
851 dev = kmalloc(sizeof(*dev),GFP_KERNEL);
854 memset(dev,0,sizeof(*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",
884 if (UNSET != latency) {
885 printk(KERN_INFO "%s: setting pci latency timer to %d\n",
887 pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
891 pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
892 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
893 printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
894 "latency: %d, mmio: 0x%lx\n", dev->name,
895 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
896 dev->pci_lat,pci_resource_start(pci_dev,0));
897 pci_set_master(pci_dev);
898 if (!pci_dma_supported(pci_dev,0xffffffff)) {
899 printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
905 dev->board = pci_id->driver_data;
906 if (card[dev->nr] >= 0 &&
907 card[dev->nr] < saa7134_bcount)
908 dev->board = card[dev->nr];
909 if (SAA7134_BOARD_NOAUTO == dev->board) {
910 must_configure_manually();
911 dev->board = SAA7134_BOARD_UNKNOWN;
913 dev->tuner_type = saa7134_boards[dev->board].tuner_type;
914 dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
915 if (UNSET != tuner[dev->nr])
916 dev->tuner_type = tuner[dev->nr];
917 printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
918 dev->name,pci_dev->subsystem_vendor,
919 pci_dev->subsystem_device,saa7134_boards[dev->board].name,
920 dev->board, card[dev->nr] == dev->board ?
921 "insmod option" : "autodetected");
924 if (!request_mem_region(pci_resource_start(pci_dev,0),
925 pci_resource_len(pci_dev,0),
928 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
929 dev->name,pci_resource_start(pci_dev,0));
932 dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
933 dev->bmmio = (__u8 __iomem *)dev->lmmio;
934 if (NULL == dev->lmmio) {
936 printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
941 /* initialize hardware #1 */
942 saa7134_board_init1(dev);
943 saa7134_hwinit1(dev);
946 err = request_irq(pci_dev->irq, saa7134_irq,
947 SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
949 printk(KERN_ERR "%s: can't get IRQ %d\n",
950 dev->name,pci_dev->irq);
954 /* wait a bit, register i2c bus */
956 saa7134_i2c_register(dev);
958 /* initialize hardware #2 */
959 saa7134_board_init2(dev);
960 saa7134_hwinit2(dev);
962 /* load i2c helpers */
963 if (TUNER_ABSENT != dev->tuner_type)
964 request_module("tuner");
965 if (dev->tda9887_conf)
966 request_module("tda9887");
967 if (card_is_empress(dev)) {
968 request_module("saa6752hs");
969 request_module_depend("saa7134-empress",&need_empress);
972 if (card_is_dvb(dev))
973 request_module_depend("saa7134-dvb",&need_dvb);
975 v4l2_prio_init(&dev->prio);
977 /* register v4l devices */
978 dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
979 err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
982 printk(KERN_INFO "%s: can't register video device\n",
986 printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
987 dev->name,dev->video_dev->minor & 0x1f);
989 dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
990 err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
994 printk(KERN_INFO "%s: registered device vbi%d\n",
995 dev->name,dev->vbi_dev->minor & 0x1f);
997 if (card_has_radio(dev)) {
998 dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
999 err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
1003 printk(KERN_INFO "%s: registered device radio%d\n",
1004 dev->name,dev->radio_dev->minor & 0x1f);
1007 /* register oss devices */
1008 switch (dev->pci->device) {
1009 case PCI_DEVICE_ID_PHILIPS_SAA7134:
1010 case PCI_DEVICE_ID_PHILIPS_SAA7133:
1011 case PCI_DEVICE_ID_PHILIPS_SAA7135:
1013 err = dev->oss.minor_dsp =
1014 register_sound_dsp(&saa7134_dsp_fops,
1019 printk(KERN_INFO "%s: registered device dsp%d\n",
1020 dev->name,dev->oss.minor_dsp >> 4);
1022 err = dev->oss.minor_mixer =
1023 register_sound_mixer(&saa7134_mixer_fops,
1027 printk(KERN_INFO "%s: registered device mixer%d\n",
1028 dev->name,dev->oss.minor_mixer >> 4);
1030 alsa_card_saa7134_create(dev,dsp_nr[dev->nr]);
1031 printk(KERN_INFO "%s: registered ALSA devices\n",
1037 /* everything worked */
1038 pci_set_drvdata(pci_dev,dev);
1041 down(&devlist_lock);
1042 list_for_each(item,&mops_list) {
1043 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1044 mpeg_ops_attach(mops, dev);
1046 list_add_tail(&dev->devlist,&saa7134_devlist);
1049 /* check for signal */
1050 saa7134_irq_video_intl(dev);
1054 switch (dev->pci->device) {
1055 case PCI_DEVICE_ID_PHILIPS_SAA7134:
1056 case PCI_DEVICE_ID_PHILIPS_SAA7133:
1057 case PCI_DEVICE_ID_PHILIPS_SAA7135:
1059 unregister_sound_dsp(dev->oss.minor_dsp);
1061 alsa_card_saa7134_exit();
1065 saa7134_unregister_video(dev);
1066 saa7134_i2c_unregister(dev);
1067 free_irq(pci_dev->irq, dev);
1069 saa7134_hwfini(dev);
1070 iounmap(dev->lmmio);
1072 release_mem_region(pci_resource_start(pci_dev,0),
1073 pci_resource_len(pci_dev,0));
1079 static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
1081 struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
1082 struct list_head *item;
1083 struct saa7134_mpeg_ops *mops;
1087 u32 report = saa_readl(SAA7134_IRQ_REPORT);
1088 u32 status = saa_readl(SAA7134_IRQ_STATUS);
1089 print_irqstatus(dev,42,report,status);
1092 /* disable peripheral devices */
1093 saa_writeb(SAA7134_SPECIAL_MODE,0);
1095 /* shutdown hardware */
1096 saa_writel(SAA7134_IRQ1,0);
1097 saa_writel(SAA7134_IRQ2,0);
1098 saa_writel(SAA7134_MAIN_CTRL,0);
1100 /* shutdown subsystems */
1101 saa7134_hwfini(dev);
1104 down(&devlist_lock);
1105 list_del(&dev->devlist);
1106 list_for_each(item,&mops_list) {
1107 mops = list_entry(item, struct saa7134_mpeg_ops, next);
1108 mpeg_ops_detach(mops, dev);
1113 saa7134_i2c_unregister(dev);
1114 switch (dev->pci->device) {
1115 case PCI_DEVICE_ID_PHILIPS_SAA7134:
1116 case PCI_DEVICE_ID_PHILIPS_SAA7133:
1117 case PCI_DEVICE_ID_PHILIPS_SAA7135:
1119 unregister_sound_mixer(dev->oss.minor_mixer);
1120 unregister_sound_dsp(dev->oss.minor_dsp);
1122 alsa_card_saa7134_exit();
1125 saa7134_unregister_video(dev);
1127 /* release ressources */
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));
1133 pci_set_drvdata(pci_dev, NULL);
1139 /* ----------------------------------------------------------- */
1141 int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
1143 struct list_head *item;
1144 struct saa7134_dev *dev;
1146 down(&devlist_lock);
1147 list_for_each(item,&saa7134_devlist) {
1148 dev = list_entry(item, struct saa7134_dev, devlist);
1149 mpeg_ops_attach(ops, dev);
1151 list_add_tail(&ops->next,&mops_list);
1156 void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
1158 struct list_head *item;
1159 struct saa7134_dev *dev;
1161 down(&devlist_lock);
1162 list_del(&ops->next);
1163 list_for_each(item,&saa7134_devlist) {
1164 dev = list_entry(item, struct saa7134_dev, devlist);
1165 mpeg_ops_detach(ops, dev);
1170 EXPORT_SYMBOL(saa7134_ts_register);
1171 EXPORT_SYMBOL(saa7134_ts_unregister);
1173 /* ----------------------------------------------------------- */
1175 static struct pci_driver saa7134_pci_driver = {
1177 .id_table = saa7134_pci_tbl,
1178 .probe = saa7134_initdev,
1179 .remove = __devexit_p(saa7134_finidev),
1182 static int saa7134_init(void)
1184 INIT_LIST_HEAD(&saa7134_devlist);
1185 printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
1186 (SAA7134_VERSION_CODE >> 16) & 0xff,
1187 (SAA7134_VERSION_CODE >> 8) & 0xff,
1188 SAA7134_VERSION_CODE & 0xff);
1190 printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
1191 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1193 return pci_module_init(&saa7134_pci_driver);
1196 static void saa7134_fini(void)
1198 #ifdef CONFIG_MODULES
1199 if (pending_registered)
1200 unregister_module_notifier(&pending_notifier);
1202 pci_unregister_driver(&saa7134_pci_driver);
1205 module_init(saa7134_init);
1206 module_exit(saa7134_fini);
1208 /* ----------------------------------------------------------- */
1210 EXPORT_SYMBOL(saa7134_print_ioctl);
1211 EXPORT_SYMBOL(saa7134_i2c_call_clients);
1212 EXPORT_SYMBOL(saa7134_devlist);
1213 EXPORT_SYMBOL(saa7134_boards);
1215 /* ----------------------------------------------------------- */