2 * Driver for the NXP SAA7164 PCIe bridge
4 * Copyright (c) 2010 Steven Toth <stoth@kernellabs.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include <linux/init.h>
23 #include <linux/list.h>
24 #include <linux/module.h>
25 #include <linux/moduleparam.h>
26 #include <linux/kmod.h>
27 #include <linux/kernel.h>
28 #include <linux/slab.h>
29 #include <linux/interrupt.h>
30 #include <linux/delay.h>
31 #include <asm/div64.h>
34 #include <linux/proc_fs.h>
38 MODULE_DESCRIPTION("Driver for NXP SAA7164 based TV cards");
39 MODULE_AUTHOR("Steven Toth <stoth@kernellabs.com>");
40 MODULE_LICENSE("GPL");
51 unsigned int saa_debug;
52 module_param_named(debug, saa_debug, int, 0644);
53 MODULE_PARM_DESC(debug, "enable debug messages");
55 static unsigned int fw_debug;
56 module_param(fw_debug, int, 0644);
57 MODULE_PARM_DESC(fw_debug, "Firmware debug level def:2");
59 unsigned int encoder_buffers = SAA7164_MAX_ENCODER_BUFFERS;
60 module_param(encoder_buffers, int, 0644);
61 MODULE_PARM_DESC(encoder_buffers, "Total buffers in read queue 16-512 def:64");
63 unsigned int vbi_buffers = SAA7164_MAX_VBI_BUFFERS;
64 module_param(vbi_buffers, int, 0644);
65 MODULE_PARM_DESC(vbi_buffers, "Total buffers in read queue 16-512 def:64");
67 unsigned int waitsecs = 10;
68 module_param(waitsecs, int, 0644);
69 MODULE_PARM_DESC(waitsecs, "timeout on firmware messages");
71 static unsigned int card[] = {[0 ... (SAA7164_MAXBOARDS - 1)] = UNSET };
72 module_param_array(card, int, NULL, 0444);
73 MODULE_PARM_DESC(card, "card type");
75 static unsigned int print_histogram = 64;
76 module_param(print_histogram, int, 0644);
77 MODULE_PARM_DESC(print_histogram, "print histogram values once");
79 unsigned int crc_checking = 1;
80 module_param(crc_checking, int, 0644);
81 MODULE_PARM_DESC(crc_checking, "enable crc sanity checking on buffers");
83 static unsigned int guard_checking = 1;
84 module_param(guard_checking, int, 0644);
85 MODULE_PARM_DESC(guard_checking,
86 "enable dma sanity checking for buffer overruns");
88 static unsigned int saa7164_devcount;
90 static DEFINE_MUTEX(devlist);
91 LIST_HEAD(saa7164_devlist);
95 static void saa7164_pack_verifier(struct saa7164_buffer *buf)
97 u8 *p = (u8 *)buf->cpu;
100 for (i = 0; i < buf->actual_size; i += 2048) {
102 if ((*(p + i + 0) != 0x00) || (*(p + i + 1) != 0x00) ||
103 (*(p + i + 2) != 0x01) || (*(p + i + 3) != 0xBA)) {
104 printk(KERN_ERR "No pack at 0x%x\n", i);
106 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
113 #define FIXED_VIDEO_PID 0xf1
114 #define FIXED_AUDIO_PID 0xf2
116 static void saa7164_ts_verifier(struct saa7164_buffer *buf)
118 struct saa7164_port *port = buf->port;
122 u8 *bufcpu = (u8 *)buf->cpu;
124 port->sync_errors = 0;
125 port->v_cc_errors = 0;
126 port->a_cc_errors = 0;
128 for (i = 0; i < buf->actual_size; i += 188) {
129 if (*(bufcpu + i) != 0x47)
132 /* TODO: Query pid lower 8 bits, ignoring upper bits intensionally */
133 pid = ((*(bufcpu + i + 1) & 0x1f) << 8) | *(bufcpu + i + 2);
134 cc = *(bufcpu + i + 3) & 0x0f;
136 if (pid == FIXED_VIDEO_PID) {
137 a = ((port->last_v_cc + 1) & 0x0f);
139 printk(KERN_ERR "video cc last = %x current = %x i = %d\n",
140 port->last_v_cc, cc, i);
144 port->last_v_cc = cc;
146 if (pid == FIXED_AUDIO_PID) {
147 a = ((port->last_a_cc + 1) & 0x0f);
149 printk(KERN_ERR "audio cc last = %x current = %x i = %d\n",
150 port->last_a_cc, cc, i);
154 port->last_a_cc = cc;
159 /* Only report errors if we've been through this function atleast
160 * once already and the cached cc values are primed. First time through
161 * always generates errors.
163 if (port->v_cc_errors && (port->done_first_interrupt > 1))
164 printk(KERN_ERR "video pid cc, %d errors\n", port->v_cc_errors);
166 if (port->a_cc_errors && (port->done_first_interrupt > 1))
167 printk(KERN_ERR "audio pid cc, %d errors\n", port->a_cc_errors);
169 if (port->sync_errors && (port->done_first_interrupt > 1))
170 printk(KERN_ERR "sync_errors = %d\n", port->sync_errors);
172 if (port->done_first_interrupt == 1)
173 port->done_first_interrupt++;
176 static void saa7164_histogram_reset(struct saa7164_histogram *hg, char *name)
180 memset(hg, 0, sizeof(struct saa7164_histogram));
181 strcpy(hg->name, name);
183 /* First 30ms x 1ms */
184 for (i = 0; i < 30; i++)
185 hg->counter1[0 + i].val = i;
187 /* 30 - 200ms x 10ms */
188 for (i = 0; i < 18; i++)
189 hg->counter1[30 + i].val = 30 + (i * 10);
191 /* 200 - 2000ms x 100ms */
192 for (i = 0; i < 15; i++)
193 hg->counter1[48 + i].val = 200 + (i * 200);
195 /* Catch all massive value (2secs) */
196 hg->counter1[55].val = 2000;
198 /* Catch all massive value (4secs) */
199 hg->counter1[56].val = 4000;
201 /* Catch all massive value (8secs) */
202 hg->counter1[57].val = 8000;
204 /* Catch all massive value (15secs) */
205 hg->counter1[58].val = 15000;
207 /* Catch all massive value (30secs) */
208 hg->counter1[59].val = 30000;
210 /* Catch all massive value (60secs) */
211 hg->counter1[60].val = 60000;
213 /* Catch all massive value (5mins) */
214 hg->counter1[61].val = 300000;
216 /* Catch all massive value (15mins) */
217 hg->counter1[62].val = 900000;
219 /* Catch all massive values (1hr) */
220 hg->counter1[63].val = 3600000;
223 void saa7164_histogram_update(struct saa7164_histogram *hg, u32 val)
226 for (i = 0; i < 64; i++) {
227 if (val <= hg->counter1[i].val) {
228 hg->counter1[i].count++;
229 hg->counter1[i].update_time = jiffies;
235 static void saa7164_histogram_print(struct saa7164_port *port,
236 struct saa7164_histogram *hg)
241 printk(KERN_ERR "Histogram named %s (ms, count, last_update_jiffy)\n", hg->name);
242 for (i = 0; i < 64; i++) {
243 if (hg->counter1[i].count == 0)
246 printk(KERN_ERR " %4d %12d %Ld\n",
248 hg->counter1[i].count,
249 hg->counter1[i].update_time);
253 printk(KERN_ERR "Total: %d\n", entries);
256 static void saa7164_work_enchandler_helper(struct saa7164_port *port, int bufnr)
258 struct saa7164_dev *dev = port->dev;
259 struct saa7164_buffer *buf = NULL;
260 struct saa7164_user_buffer *ubuf = NULL;
261 struct list_head *c, *n;
265 mutex_lock(&port->dmaqueue_lock);
266 list_for_each_safe(c, n, &port->dmaqueue.list) {
268 buf = list_entry(c, struct saa7164_buffer, list);
269 if (i++ > port->hwcfg.buffercount) {
270 printk(KERN_ERR "%s() illegal i count %d\n",
275 if (buf->idx == bufnr) {
277 /* Found the buffer, deal with it */
278 dprintk(DBGLVL_IRQ, "%s() bufnr: %d\n", __func__, bufnr);
281 /* Throw a new checksum on the dma buffer */
282 buf->crc = crc32(0, buf->cpu, buf->actual_size);
285 if (guard_checking) {
287 if ((*(p + buf->actual_size + 0) != 0xff) ||
288 (*(p + buf->actual_size + 1) != 0xff) ||
289 (*(p + buf->actual_size + 2) != 0xff) ||
290 (*(p + buf->actual_size + 3) != 0xff) ||
291 (*(p + buf->actual_size + 0x10) != 0xff) ||
292 (*(p + buf->actual_size + 0x11) != 0xff) ||
293 (*(p + buf->actual_size + 0x12) != 0xff) ||
294 (*(p + buf->actual_size + 0x13) != 0xff)) {
295 printk(KERN_ERR "%s() buf %p guard buffer breach\n",
298 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_OFFSET, 16, 1,
299 p + buf->actual_size - 32, 64, false);
304 if ((port->nr != SAA7164_PORT_VBI1) && (port->nr != SAA7164_PORT_VBI2)) {
305 /* Validate the incoming buffer content */
306 if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)
307 saa7164_ts_verifier(buf);
308 else if (port->encoder_params.stream_type == V4L2_MPEG_STREAM_TYPE_MPEG2_PS)
309 saa7164_pack_verifier(buf);
312 /* find a free user buffer and clone to it */
313 if (!list_empty(&port->list_buf_free.list)) {
315 /* Pull the first buffer from the used list */
316 ubuf = list_first_entry(&port->list_buf_free.list,
317 struct saa7164_user_buffer, list);
319 if (buf->actual_size <= ubuf->actual_size) {
321 memcpy(ubuf->data, buf->cpu, ubuf->actual_size);
324 /* Throw a new checksum on the read buffer */
325 ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size);
328 /* Requeue the buffer on the free list */
331 list_move_tail(&ubuf->list,
332 &port->list_buf_used.list);
334 /* Flag any userland waiters */
335 wake_up_interruptible(&port->wait_read);
338 printk(KERN_ERR "buf %p bufsize fails match\n", buf);
342 printk(KERN_ERR "encirq no free buffers, increase param encoder_buffers\n");
344 /* Ensure offset into buffer remains 0, fill buffer
345 * with known bad data. We check for this data at a later point
347 saa7164_buffer_zero_offsets(port, bufnr);
348 memset(buf->cpu, 0xff, buf->pci_size);
350 /* Throw yet aanother new checksum on the dma buffer */
351 buf->crc = crc32(0, buf->cpu, buf->actual_size);
357 mutex_unlock(&port->dmaqueue_lock);
360 static void saa7164_work_enchandler(struct work_struct *w)
362 struct saa7164_port *port =
363 container_of(w, struct saa7164_port, workenc);
364 struct saa7164_dev *dev = port->dev;
366 u32 wp, mcb, rp, cnt = 0;
368 port->last_svc_msecs_diff = port->last_svc_msecs;
369 port->last_svc_msecs = jiffies_to_msecs(jiffies);
371 port->last_svc_msecs_diff = port->last_svc_msecs -
372 port->last_svc_msecs_diff;
374 saa7164_histogram_update(&port->svc_interval,
375 port->last_svc_msecs_diff);
377 port->last_irq_svc_msecs_diff = port->last_svc_msecs -
378 port->last_irq_msecs;
380 saa7164_histogram_update(&port->irq_svc_interval,
381 port->last_irq_svc_msecs_diff);
384 "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n",
386 port->last_svc_msecs_diff,
387 port->last_irq_svc_msecs_diff,
392 /* Current write position */
393 wp = saa7164_readl(port->bufcounter);
394 if (wp > (port->hwcfg.buffercount - 1)) {
395 printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp);
399 /* Most current complete buffer */
401 mcb = (port->hwcfg.buffercount - 1);
406 if (port->done_first_interrupt == 0) {
407 port->done_first_interrupt++;
410 rp = (port->last_svc_rp + 1) % 8;
412 if (rp > (port->hwcfg.buffercount - 1)) {
413 printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp);
417 saa7164_work_enchandler_helper(port, rp);
418 port->last_svc_rp = rp;
425 /* TODO: Convert this into a /proc/saa7164 style readable file */
426 if (print_histogram == port->nr) {
427 saa7164_histogram_print(port, &port->irq_interval);
428 saa7164_histogram_print(port, &port->svc_interval);
429 saa7164_histogram_print(port, &port->irq_svc_interval);
430 saa7164_histogram_print(port, &port->read_interval);
431 saa7164_histogram_print(port, &port->poll_interval);
432 /* TODO: fix this to preserve any previous state */
433 print_histogram = 64 + port->nr;
437 static void saa7164_work_vbihandler(struct work_struct *w)
439 struct saa7164_port *port =
440 container_of(w, struct saa7164_port, workenc);
441 struct saa7164_dev *dev = port->dev;
443 u32 wp, mcb, rp, cnt = 0;
445 port->last_svc_msecs_diff = port->last_svc_msecs;
446 port->last_svc_msecs = jiffies_to_msecs(jiffies);
447 port->last_svc_msecs_diff = port->last_svc_msecs -
448 port->last_svc_msecs_diff;
450 saa7164_histogram_update(&port->svc_interval,
451 port->last_svc_msecs_diff);
453 port->last_irq_svc_msecs_diff = port->last_svc_msecs -
454 port->last_irq_msecs;
456 saa7164_histogram_update(&port->irq_svc_interval,
457 port->last_irq_svc_msecs_diff);
460 "%s() %Ldms elapsed irq->deferred %Ldms wp: %d rp: %d\n",
462 port->last_svc_msecs_diff,
463 port->last_irq_svc_msecs_diff,
468 /* Current write position */
469 wp = saa7164_readl(port->bufcounter);
470 if (wp > (port->hwcfg.buffercount - 1)) {
471 printk(KERN_ERR "%s() illegal buf count %d\n", __func__, wp);
475 /* Most current complete buffer */
477 mcb = (port->hwcfg.buffercount - 1);
482 if (port->done_first_interrupt == 0) {
483 port->done_first_interrupt++;
486 rp = (port->last_svc_rp + 1) % 8;
488 if (rp > (port->hwcfg.buffercount - 1)) {
489 printk(KERN_ERR "%s() illegal rp count %d\n", __func__, rp);
493 saa7164_work_enchandler_helper(port, rp);
494 port->last_svc_rp = rp;
501 /* TODO: Convert this into a /proc/saa7164 style readable file */
502 if (print_histogram == port->nr) {
503 saa7164_histogram_print(port, &port->irq_interval);
504 saa7164_histogram_print(port, &port->svc_interval);
505 saa7164_histogram_print(port, &port->irq_svc_interval);
506 saa7164_histogram_print(port, &port->read_interval);
507 saa7164_histogram_print(port, &port->poll_interval);
508 /* TODO: fix this to preserve any previous state */
509 print_histogram = 64 + port->nr;
513 static void saa7164_work_cmdhandler(struct work_struct *w)
515 struct saa7164_dev *dev = container_of(w, struct saa7164_dev, workcmd);
517 /* Wake up any complete commands */
518 saa7164_irq_dequeue(dev);
521 static void saa7164_buffer_deliver(struct saa7164_buffer *buf)
523 struct saa7164_port *port = buf->port;
525 /* Feed the transport payload into the kernel demux */
526 dvb_dmx_swfilter_packets(&port->dvb.demux, (u8 *)buf->cpu,
527 SAA7164_TS_NUMBER_OF_LINES);
531 static irqreturn_t saa7164_irq_vbi(struct saa7164_port *port)
533 struct saa7164_dev *dev = port->dev;
536 port->last_irq_msecs_diff = port->last_irq_msecs;
538 /* Collect new stats */
539 port->last_irq_msecs = jiffies_to_msecs(jiffies);
541 /* Calculate stats */
542 port->last_irq_msecs_diff = port->last_irq_msecs -
543 port->last_irq_msecs_diff;
545 saa7164_histogram_update(&port->irq_interval,
546 port->last_irq_msecs_diff);
548 dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__,
549 port->last_irq_msecs_diff);
551 /* Tis calls the vbi irq handler */
552 schedule_work(&port->workenc);
556 static irqreturn_t saa7164_irq_encoder(struct saa7164_port *port)
558 struct saa7164_dev *dev = port->dev;
561 port->last_irq_msecs_diff = port->last_irq_msecs;
563 /* Collect new stats */
564 port->last_irq_msecs = jiffies_to_msecs(jiffies);
566 /* Calculate stats */
567 port->last_irq_msecs_diff = port->last_irq_msecs -
568 port->last_irq_msecs_diff;
570 saa7164_histogram_update(&port->irq_interval,
571 port->last_irq_msecs_diff);
573 dprintk(DBGLVL_IRQ, "%s() %Ldms elapsed\n", __func__,
574 port->last_irq_msecs_diff);
576 schedule_work(&port->workenc);
580 static irqreturn_t saa7164_irq_ts(struct saa7164_port *port)
582 struct saa7164_dev *dev = port->dev;
583 struct saa7164_buffer *buf;
584 struct list_head *c, *n;
587 /* Find the current write point from the hardware */
588 wp = saa7164_readl(port->bufcounter);
589 if (wp > (port->hwcfg.buffercount - 1))
592 /* Find the previous buffer to the current write point */
594 rp = (port->hwcfg.buffercount - 1);
598 /* Lookup the WP in the buffer list */
599 /* TODO: turn this into a worker thread */
600 list_for_each_safe(c, n, &port->dmaqueue.list) {
601 buf = list_entry(c, struct saa7164_buffer, list);
602 if (i++ > port->hwcfg.buffercount)
605 if (buf->idx == rp) {
606 /* Found the buffer, deal with it */
607 dprintk(DBGLVL_IRQ, "%s() wp: %d processing: %d\n",
609 saa7164_buffer_deliver(buf);
617 /* Primary IRQ handler and dispatch mechanism */
618 static irqreturn_t saa7164_irq(int irq, void *dev_id)
620 struct saa7164_dev *dev = dev_id;
621 struct saa7164_port *porta = &dev->ports[SAA7164_PORT_TS1];
622 struct saa7164_port *portb = &dev->ports[SAA7164_PORT_TS2];
623 struct saa7164_port *portc = &dev->ports[SAA7164_PORT_ENC1];
624 struct saa7164_port *portd = &dev->ports[SAA7164_PORT_ENC2];
625 struct saa7164_port *porte = &dev->ports[SAA7164_PORT_VBI1];
626 struct saa7164_port *portf = &dev->ports[SAA7164_PORT_VBI2];
628 u32 intid, intstat[INT_SIZE/4];
629 int i, handled = 0, bit;
632 printk(KERN_ERR "%s() No device specified\n", __func__);
637 /* Check that the hardware is accessible. If the status bytes are
638 * 0xFF then the device is not accessible, the the IRQ belongs
640 * 4 x u32 interrupt registers.
642 for (i = 0; i < INT_SIZE/4; i++) {
644 /* TODO: Convert into saa7164_readl() */
645 /* Read the 4 hardware interrupt registers */
646 intstat[i] = saa7164_readl(dev->int_status + (i * 4));
654 /* For each of the HW interrupt registers */
655 for (i = 0; i < INT_SIZE/4; i++) {
658 /* Each function of the board has it's own interruptid.
659 * Find the function that triggered then call
662 for (bit = 0; bit < 32; bit++) {
664 if (((intstat[i] >> bit) & 0x00000001) == 0)
667 /* Calculate the interrupt id (0x00 to 0x7f) */
669 intid = (i * 32) + bit;
670 if (intid == dev->intfdesc.bInterruptId) {
671 /* A response to an cmd/api call */
672 schedule_work(&dev->workcmd);
673 } else if (intid == porta->hwcfg.interruptid) {
675 /* Transport path 1 */
676 saa7164_irq_ts(porta);
678 } else if (intid == portb->hwcfg.interruptid) {
680 /* Transport path 2 */
681 saa7164_irq_ts(portb);
683 } else if (intid == portc->hwcfg.interruptid) {
686 saa7164_irq_encoder(portc);
688 } else if (intid == portd->hwcfg.interruptid) {
691 saa7164_irq_encoder(portd);
693 } else if (intid == porte->hwcfg.interruptid) {
696 saa7164_irq_vbi(porte);
698 } else if (intid == portf->hwcfg.interruptid) {
701 saa7164_irq_vbi(portf);
704 /* Find the function */
706 "%s() unhandled interrupt "
709 __func__, i, bit, intid);
714 saa7164_writel(dev->int_ack + (i * 4), intstat[i]);
719 return IRQ_RETVAL(handled);
722 void saa7164_getfirmwarestatus(struct saa7164_dev *dev)
724 struct saa7164_fw_status *s = &dev->fw_status;
726 dev->fw_status.status = saa7164_readl(SAA_DEVICE_SYSINIT_STATUS);
727 dev->fw_status.mode = saa7164_readl(SAA_DEVICE_SYSINIT_MODE);
728 dev->fw_status.spec = saa7164_readl(SAA_DEVICE_SYSINIT_SPEC);
729 dev->fw_status.inst = saa7164_readl(SAA_DEVICE_SYSINIT_INST);
730 dev->fw_status.cpuload = saa7164_readl(SAA_DEVICE_SYSINIT_CPULOAD);
731 dev->fw_status.remainheap =
732 saa7164_readl(SAA_DEVICE_SYSINIT_REMAINHEAP);
734 dprintk(1, "Firmware status:\n");
735 dprintk(1, " .status = 0x%08x\n", s->status);
736 dprintk(1, " .mode = 0x%08x\n", s->mode);
737 dprintk(1, " .spec = 0x%08x\n", s->spec);
738 dprintk(1, " .inst = 0x%08x\n", s->inst);
739 dprintk(1, " .cpuload = 0x%08x\n", s->cpuload);
740 dprintk(1, " .remainheap = 0x%08x\n", s->remainheap);
743 u32 saa7164_getcurrentfirmwareversion(struct saa7164_dev *dev)
747 reg = saa7164_readl(SAA_DEVICE_VERSION);
748 dprintk(1, "Device running firmware version %d.%d.%d.%d (0x%x)\n",
749 (reg & 0x0000fc00) >> 10,
750 (reg & 0x000003e0) >> 5,
752 (reg & 0xffff0000) >> 16,
758 /* TODO: Debugging func, remove */
759 void saa7164_dumpregs(struct saa7164_dev *dev, u32 addr)
763 dprintk(1, "--------------------> "
764 "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
766 for (i = 0; i < 0x100; i += 16)
767 dprintk(1, "region0[0x%08x] = "
768 "%02x %02x %02x %02x %02x %02x %02x %02x"
769 " %02x %02x %02x %02x %02x %02x %02x %02x\n", i,
770 (u8)saa7164_readb(addr + i + 0),
771 (u8)saa7164_readb(addr + i + 1),
772 (u8)saa7164_readb(addr + i + 2),
773 (u8)saa7164_readb(addr + i + 3),
774 (u8)saa7164_readb(addr + i + 4),
775 (u8)saa7164_readb(addr + i + 5),
776 (u8)saa7164_readb(addr + i + 6),
777 (u8)saa7164_readb(addr + i + 7),
778 (u8)saa7164_readb(addr + i + 8),
779 (u8)saa7164_readb(addr + i + 9),
780 (u8)saa7164_readb(addr + i + 10),
781 (u8)saa7164_readb(addr + i + 11),
782 (u8)saa7164_readb(addr + i + 12),
783 (u8)saa7164_readb(addr + i + 13),
784 (u8)saa7164_readb(addr + i + 14),
785 (u8)saa7164_readb(addr + i + 15)
789 static void saa7164_dump_hwdesc(struct saa7164_dev *dev)
791 dprintk(1, "@0x%p hwdesc sizeof(struct tmComResHWDescr) = %d bytes\n",
792 &dev->hwdesc, (u32)sizeof(struct tmComResHWDescr));
794 dprintk(1, " .bLength = 0x%x\n", dev->hwdesc.bLength);
795 dprintk(1, " .bDescriptorType = 0x%x\n", dev->hwdesc.bDescriptorType);
796 dprintk(1, " .bDescriptorSubtype = 0x%x\n",
797 dev->hwdesc.bDescriptorSubtype);
799 dprintk(1, " .bcdSpecVersion = 0x%x\n", dev->hwdesc.bcdSpecVersion);
800 dprintk(1, " .dwClockFrequency = 0x%x\n", dev->hwdesc.dwClockFrequency);
801 dprintk(1, " .dwClockUpdateRes = 0x%x\n", dev->hwdesc.dwClockUpdateRes);
802 dprintk(1, " .bCapabilities = 0x%x\n", dev->hwdesc.bCapabilities);
803 dprintk(1, " .dwDeviceRegistersLocation = 0x%x\n",
804 dev->hwdesc.dwDeviceRegistersLocation);
806 dprintk(1, " .dwHostMemoryRegion = 0x%x\n",
807 dev->hwdesc.dwHostMemoryRegion);
809 dprintk(1, " .dwHostMemoryRegionSize = 0x%x\n",
810 dev->hwdesc.dwHostMemoryRegionSize);
812 dprintk(1, " .dwHostHibernatMemRegion = 0x%x\n",
813 dev->hwdesc.dwHostHibernatMemRegion);
815 dprintk(1, " .dwHostHibernatMemRegionSize = 0x%x\n",
816 dev->hwdesc.dwHostHibernatMemRegionSize);
819 static void saa7164_dump_intfdesc(struct saa7164_dev *dev)
821 dprintk(1, "@0x%p intfdesc "
822 "sizeof(struct tmComResInterfaceDescr) = %d bytes\n",
823 &dev->intfdesc, (u32)sizeof(struct tmComResInterfaceDescr));
825 dprintk(1, " .bLength = 0x%x\n", dev->intfdesc.bLength);
826 dprintk(1, " .bDescriptorType = 0x%x\n", dev->intfdesc.bDescriptorType);
827 dprintk(1, " .bDescriptorSubtype = 0x%x\n",
828 dev->intfdesc.bDescriptorSubtype);
830 dprintk(1, " .bFlags = 0x%x\n", dev->intfdesc.bFlags);
831 dprintk(1, " .bInterfaceType = 0x%x\n", dev->intfdesc.bInterfaceType);
832 dprintk(1, " .bInterfaceId = 0x%x\n", dev->intfdesc.bInterfaceId);
833 dprintk(1, " .bBaseInterface = 0x%x\n", dev->intfdesc.bBaseInterface);
834 dprintk(1, " .bInterruptId = 0x%x\n", dev->intfdesc.bInterruptId);
835 dprintk(1, " .bDebugInterruptId = 0x%x\n",
836 dev->intfdesc.bDebugInterruptId);
838 dprintk(1, " .BARLocation = 0x%x\n", dev->intfdesc.BARLocation);
841 static void saa7164_dump_busdesc(struct saa7164_dev *dev)
843 dprintk(1, "@0x%p busdesc sizeof(struct tmComResBusDescr) = %d bytes\n",
844 &dev->busdesc, (u32)sizeof(struct tmComResBusDescr));
846 dprintk(1, " .CommandRing = 0x%016Lx\n", dev->busdesc.CommandRing);
847 dprintk(1, " .ResponseRing = 0x%016Lx\n", dev->busdesc.ResponseRing);
848 dprintk(1, " .CommandWrite = 0x%x\n", dev->busdesc.CommandWrite);
849 dprintk(1, " .CommandRead = 0x%x\n", dev->busdesc.CommandRead);
850 dprintk(1, " .ResponseWrite = 0x%x\n", dev->busdesc.ResponseWrite);
851 dprintk(1, " .ResponseRead = 0x%x\n", dev->busdesc.ResponseRead);
854 /* Much of the hardware configuration and PCI registers are configured
855 * dynamically depending on firmware. We have to cache some initial
856 * structures then use these to locate other important structures
859 static void saa7164_get_descriptors(struct saa7164_dev *dev)
861 memcpy_fromio(&dev->hwdesc, dev->bmmio, sizeof(struct tmComResHWDescr));
862 memcpy_fromio(&dev->intfdesc, dev->bmmio + sizeof(struct tmComResHWDescr),
863 sizeof(struct tmComResInterfaceDescr));
864 memcpy_fromio(&dev->busdesc, dev->bmmio + dev->intfdesc.BARLocation,
865 sizeof(struct tmComResBusDescr));
867 if (dev->hwdesc.bLength != sizeof(struct tmComResHWDescr)) {
868 printk(KERN_ERR "Structure struct tmComResHWDescr is mangled\n");
869 printk(KERN_ERR "Need %x got %d\n", dev->hwdesc.bLength,
870 (u32)sizeof(struct tmComResHWDescr));
872 saa7164_dump_hwdesc(dev);
874 if (dev->intfdesc.bLength != sizeof(struct tmComResInterfaceDescr)) {
875 printk(KERN_ERR "struct struct tmComResInterfaceDescr is mangled\n");
876 printk(KERN_ERR "Need %x got %d\n", dev->intfdesc.bLength,
877 (u32)sizeof(struct tmComResInterfaceDescr));
879 saa7164_dump_intfdesc(dev);
881 saa7164_dump_busdesc(dev);
884 static int saa7164_pci_quirks(struct saa7164_dev *dev)
889 static int get_resources(struct saa7164_dev *dev)
891 if (request_mem_region(pci_resource_start(dev->pci, 0),
892 pci_resource_len(dev->pci, 0), dev->name)) {
894 if (request_mem_region(pci_resource_start(dev->pci, 2),
895 pci_resource_len(dev->pci, 2), dev->name))
899 printk(KERN_ERR "%s: can't get MMIO memory @ 0x%llx or 0x%llx\n",
901 (u64)pci_resource_start(dev->pci, 0),
902 (u64)pci_resource_start(dev->pci, 2));
907 static int saa7164_port_init(struct saa7164_dev *dev, int portnr)
909 struct saa7164_port *port = NULL;
911 if ((portnr < 0) || (portnr >= SAA7164_MAX_PORTS))
914 port = &dev->ports[portnr];
919 if ((portnr == SAA7164_PORT_TS1) || (portnr == SAA7164_PORT_TS2))
920 port->type = SAA7164_MPEG_DVB;
922 if ((portnr == SAA7164_PORT_ENC1) || (portnr == SAA7164_PORT_ENC2)) {
923 port->type = SAA7164_MPEG_ENCODER;
925 /* We need a deferred interrupt handler for cmd handling */
926 INIT_WORK(&port->workenc, saa7164_work_enchandler);
927 } else if ((portnr == SAA7164_PORT_VBI1) || (portnr == SAA7164_PORT_VBI2)) {
928 port->type = SAA7164_MPEG_VBI;
930 /* We need a deferred interrupt handler for cmd handling */
931 INIT_WORK(&port->workenc, saa7164_work_vbihandler);
935 /* Init all the critical resources */
936 mutex_init(&port->dvb.lock);
937 INIT_LIST_HEAD(&port->dmaqueue.list);
938 mutex_init(&port->dmaqueue_lock);
940 INIT_LIST_HEAD(&port->list_buf_used.list);
941 INIT_LIST_HEAD(&port->list_buf_free.list);
942 init_waitqueue_head(&port->wait_read);
945 saa7164_histogram_reset(&port->irq_interval, "irq intervals");
946 saa7164_histogram_reset(&port->svc_interval, "deferred intervals");
947 saa7164_histogram_reset(&port->irq_svc_interval,
948 "irq to deferred intervals");
949 saa7164_histogram_reset(&port->read_interval,
950 "encoder/vbi read() intervals");
951 saa7164_histogram_reset(&port->poll_interval,
952 "encoder/vbi poll() intervals");
957 static int saa7164_dev_setup(struct saa7164_dev *dev)
961 mutex_init(&dev->lock);
962 atomic_inc(&dev->refcount);
963 dev->nr = saa7164_devcount++;
965 snprintf(dev->name, sizeof(dev->name), "saa7164[%d]", dev->nr);
967 mutex_lock(&devlist);
968 list_add_tail(&dev->devlist, &saa7164_devlist);
969 mutex_unlock(&devlist);
973 if (card[dev->nr] < saa7164_bcount)
974 dev->board = card[dev->nr];
976 for (i = 0; UNSET == dev->board && i < saa7164_idcount; i++)
977 if (dev->pci->subsystem_vendor == saa7164_subids[i].subvendor &&
978 dev->pci->subsystem_device ==
979 saa7164_subids[i].subdevice)
980 dev->board = saa7164_subids[i].card;
982 if (UNSET == dev->board) {
983 dev->board = SAA7164_BOARD_UNKNOWN;
984 saa7164_card_list(dev);
987 dev->pci_bus = dev->pci->bus->number;
988 dev->pci_slot = PCI_SLOT(dev->pci->devfn);
990 /* I2C Defaults / setup */
991 dev->i2c_bus[0].dev = dev;
992 dev->i2c_bus[0].nr = 0;
993 dev->i2c_bus[1].dev = dev;
994 dev->i2c_bus[1].nr = 1;
995 dev->i2c_bus[2].dev = dev;
996 dev->i2c_bus[2].nr = 2;
998 /* Transport + Encoder ports 1, 2, 3, 4 - Defaults / setup */
999 saa7164_port_init(dev, SAA7164_PORT_TS1);
1000 saa7164_port_init(dev, SAA7164_PORT_TS2);
1001 saa7164_port_init(dev, SAA7164_PORT_ENC1);
1002 saa7164_port_init(dev, SAA7164_PORT_ENC2);
1003 saa7164_port_init(dev, SAA7164_PORT_VBI1);
1004 saa7164_port_init(dev, SAA7164_PORT_VBI2);
1006 if (get_resources(dev) < 0) {
1007 printk(KERN_ERR "CORE %s No more PCIe resources for "
1008 "subsystem: %04x:%04x\n",
1009 dev->name, dev->pci->subsystem_vendor,
1010 dev->pci->subsystem_device);
1016 /* PCI/e allocations */
1017 dev->lmmio = ioremap(pci_resource_start(dev->pci, 0),
1018 pci_resource_len(dev->pci, 0));
1020 dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2),
1021 pci_resource_len(dev->pci, 2));
1023 dev->bmmio = (u8 __iomem *)dev->lmmio;
1024 dev->bmmio2 = (u8 __iomem *)dev->lmmio2;
1026 /* Inerrupt and ack register locations offset of bmmio */
1027 dev->int_status = 0x183000 + 0xf80;
1028 dev->int_ack = 0x183000 + 0xf90;
1031 "CORE %s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
1032 dev->name, dev->pci->subsystem_vendor,
1033 dev->pci->subsystem_device, saa7164_boards[dev->board].name,
1034 dev->board, card[dev->nr] == dev->board ?
1035 "insmod option" : "autodetected");
1037 saa7164_pci_quirks(dev);
1042 static void saa7164_dev_unregister(struct saa7164_dev *dev)
1044 dprintk(1, "%s()\n", __func__);
1046 release_mem_region(pci_resource_start(dev->pci, 0),
1047 pci_resource_len(dev->pci, 0));
1049 release_mem_region(pci_resource_start(dev->pci, 2),
1050 pci_resource_len(dev->pci, 2));
1052 if (!atomic_dec_and_test(&dev->refcount))
1055 iounmap(dev->lmmio);
1056 iounmap(dev->lmmio2);
1061 #ifdef CONFIG_PROC_FS
1062 static int saa7164_proc_show(struct seq_file *m, void *v)
1064 struct saa7164_dev *dev;
1065 struct tmComResBusInfo *b;
1066 struct list_head *list;
1069 if (saa7164_devcount == 0)
1072 list_for_each(list, &saa7164_devlist) {
1073 dev = list_entry(list, struct saa7164_dev, devlist);
1074 seq_printf(m, "%s = %p\n", dev->name, dev);
1076 /* Lock the bus from any other access */
1078 mutex_lock(&b->lock);
1080 seq_printf(m, " .m_pdwSetWritePos = 0x%x (0x%08x)\n",
1081 b->m_dwSetReadPos, saa7164_readl(b->m_dwSetReadPos));
1083 seq_printf(m, " .m_pdwSetReadPos = 0x%x (0x%08x)\n",
1084 b->m_dwSetWritePos, saa7164_readl(b->m_dwSetWritePos));
1086 seq_printf(m, " .m_pdwGetWritePos = 0x%x (0x%08x)\n",
1087 b->m_dwGetReadPos, saa7164_readl(b->m_dwGetReadPos));
1089 seq_printf(m, " .m_pdwGetReadPos = 0x%x (0x%08x)\n",
1090 b->m_dwGetWritePos, saa7164_readl(b->m_dwGetWritePos));
1092 seq_printf(m, "\n Set Ring:\n");
1093 seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
1094 for (i = 0; i < b->m_dwSizeSetRing; i++) {
1096 seq_printf(m, " %04x:", i);
1098 seq_printf(m, " %02x", readb(b->m_pdwSetRing + i));
1101 seq_printf(m, "\n");
1107 seq_printf(m, "\n Get Ring:\n");
1108 seq_printf(m, "\n addr 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f\n");
1109 for (i = 0; i < b->m_dwSizeGetRing; i++) {
1111 seq_printf(m, " %04x:", i);
1113 seq_printf(m, " %02x", readb(b->m_pdwGetRing + i));
1116 seq_printf(m, "\n");
1121 mutex_unlock(&b->lock);
1128 static int saa7164_proc_open(struct inode *inode, struct file *filp)
1130 return single_open(filp, saa7164_proc_show, NULL);
1133 static const struct file_operations saa7164_proc_fops = {
1134 .open = saa7164_proc_open,
1136 .llseek = seq_lseek,
1137 .release = single_release,
1140 static int saa7164_proc_create(void)
1142 struct proc_dir_entry *pe;
1144 pe = proc_create("saa7164", S_IRUGO, NULL, &saa7164_proc_fops);
1152 static int saa7164_thread_function(void *data)
1154 struct saa7164_dev *dev = data;
1155 struct tmFwInfoStruct fwinfo;
1156 u64 last_poll_time = 0;
1158 dprintk(DBGLVL_THR, "thread started\n");
1163 msleep_interruptible(100);
1164 if (kthread_should_stop())
1168 dprintk(DBGLVL_THR, "thread running\n");
1170 /* Dump the firmware debug message to console */
1171 /* Polling this costs us 1-2% of the arm CPU */
1172 /* convert this into a respnde to interrupt 0x7a */
1173 saa7164_api_collect_debug(dev);
1175 /* Monitor CPU load every 1 second */
1176 if ((last_poll_time + 1000 /* ms */) < jiffies_to_msecs(jiffies)) {
1177 saa7164_api_get_load_info(dev, &fwinfo);
1178 last_poll_time = jiffies_to_msecs(jiffies);
1183 dprintk(DBGLVL_THR, "thread exiting\n");
1187 static int saa7164_initdev(struct pci_dev *pci_dev,
1188 const struct pci_device_id *pci_id)
1190 struct saa7164_dev *dev;
1194 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1198 err = v4l2_device_register(&pci_dev->dev, &dev->v4l2_dev);
1200 dev_err(&pci_dev->dev, "v4l2_device_register failed\n");
1206 if (pci_enable_device(pci_dev)) {
1211 if (saa7164_dev_setup(dev) < 0) {
1216 /* print pci info */
1217 dev->pci_rev = pci_dev->revision;
1218 pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
1219 printk(KERN_INFO "%s/0: found at %s, rev: %d, irq: %d, "
1220 "latency: %d, mmio: 0x%llx\n", dev->name,
1221 pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
1223 (unsigned long long)pci_resource_start(pci_dev, 0));
1225 pci_set_master(pci_dev);
1227 if (!pci_dma_supported(pci_dev, 0xffffffff)) {
1228 printk("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
1233 err = request_irq(pci_dev->irq, saa7164_irq,
1234 IRQF_SHARED, dev->name, dev);
1236 printk(KERN_ERR "%s: can't get IRQ %d\n", dev->name,
1242 pci_set_drvdata(pci_dev, dev);
1244 /* Init the internal command list */
1245 for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) {
1246 dev->cmds[i].seqno = i;
1247 dev->cmds[i].inuse = 0;
1248 mutex_init(&dev->cmds[i].lock);
1249 init_waitqueue_head(&dev->cmds[i].wait);
1252 /* We need a deferred interrupt handler for cmd handling */
1253 INIT_WORK(&dev->workcmd, saa7164_work_cmdhandler);
1255 /* Only load the firmware if we know the board */
1256 if (dev->board != SAA7164_BOARD_UNKNOWN) {
1258 err = saa7164_downloadfirmware(dev);
1261 "Failed to boot firmware, no features "
1266 saa7164_get_descriptors(dev);
1267 saa7164_dumpregs(dev, 0);
1268 saa7164_getcurrentfirmwareversion(dev);
1269 saa7164_getfirmwarestatus(dev);
1270 err = saa7164_bus_setup(dev);
1273 "Failed to setup the bus, will continue\n");
1274 saa7164_bus_dump(dev);
1276 /* Ping the running firmware via the command bus and get the
1277 * firmware version, this checks the bus is running OK.
1280 if (saa7164_api_get_fw_version(dev, &version) == SAA_OK)
1281 dprintk(1, "Bus is operating correctly using "
1282 "version %d.%d.%d.%d (0x%x)\n",
1283 (version & 0x0000fc00) >> 10,
1284 (version & 0x000003e0) >> 5,
1285 (version & 0x0000001f),
1286 (version & 0xffff0000) >> 16,
1290 "Failed to communicate with the firmware\n");
1292 /* Bring up the I2C buses */
1293 saa7164_i2c_register(&dev->i2c_bus[0]);
1294 saa7164_i2c_register(&dev->i2c_bus[1]);
1295 saa7164_i2c_register(&dev->i2c_bus[2]);
1296 saa7164_gpio_setup(dev);
1297 saa7164_card_setup(dev);
1299 /* Parse the dynamic device configuration, find various
1300 * media endpoints (MPEG, WMV, PS, TS) and cache their
1301 * configuration details into the driver, so we can
1302 * reference them later during simething_register() func,
1303 * interrupt handlers, deferred work handlers etc.
1305 saa7164_api_enum_subdevs(dev);
1307 /* Begin to create the video sub-systems and register funcs */
1308 if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB) {
1309 if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS1]) < 0) {
1310 printk(KERN_ERR "%s() Failed to register "
1311 "dvb adapters on porta\n",
1316 if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB) {
1317 if (saa7164_dvb_register(&dev->ports[SAA7164_PORT_TS2]) < 0) {
1318 printk(KERN_ERR"%s() Failed to register "
1319 "dvb adapters on portb\n",
1324 if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER) {
1325 if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC1]) < 0) {
1326 printk(KERN_ERR"%s() Failed to register "
1327 "mpeg encoder\n", __func__);
1331 if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER) {
1332 if (saa7164_encoder_register(&dev->ports[SAA7164_PORT_ENC2]) < 0) {
1333 printk(KERN_ERR"%s() Failed to register "
1334 "mpeg encoder\n", __func__);
1338 if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI) {
1339 if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI1]) < 0) {
1340 printk(KERN_ERR"%s() Failed to register "
1341 "vbi device\n", __func__);
1345 if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI) {
1346 if (saa7164_vbi_register(&dev->ports[SAA7164_PORT_VBI2]) < 0) {
1347 printk(KERN_ERR"%s() Failed to register "
1348 "vbi device\n", __func__);
1351 saa7164_api_set_debug(dev, fw_debug);
1354 dev->kthread = kthread_run(saa7164_thread_function, dev,
1356 if (IS_ERR(dev->kthread)) {
1357 dev->kthread = NULL;
1358 printk(KERN_ERR "%s() Failed to create "
1359 "debug kernel thread\n", __func__);
1363 } /* != BOARD_UNKNOWN */
1365 printk(KERN_ERR "%s() Unsupported board detected, "
1366 "registering without firmware\n", __func__);
1368 dprintk(1, "%s() parameter debug = %d\n", __func__, saa_debug);
1369 dprintk(1, "%s() parameter waitsecs = %d\n", __func__, waitsecs);
1375 saa7164_dev_unregister(dev);
1377 v4l2_device_unregister(&dev->v4l2_dev);
1382 static void saa7164_shutdown(struct saa7164_dev *dev)
1384 dprintk(1, "%s()\n", __func__);
1387 static void saa7164_finidev(struct pci_dev *pci_dev)
1389 struct saa7164_dev *dev = pci_get_drvdata(pci_dev);
1391 if (dev->board != SAA7164_BOARD_UNKNOWN) {
1392 if (fw_debug && dev->kthread) {
1393 kthread_stop(dev->kthread);
1394 dev->kthread = NULL;
1396 if (dev->firmwareloaded)
1397 saa7164_api_set_debug(dev, 0x00);
1400 saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
1401 &dev->ports[SAA7164_PORT_ENC1].irq_interval);
1402 saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
1403 &dev->ports[SAA7164_PORT_ENC1].svc_interval);
1404 saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
1405 &dev->ports[SAA7164_PORT_ENC1].irq_svc_interval);
1406 saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
1407 &dev->ports[SAA7164_PORT_ENC1].read_interval);
1408 saa7164_histogram_print(&dev->ports[SAA7164_PORT_ENC1],
1409 &dev->ports[SAA7164_PORT_ENC1].poll_interval);
1410 saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI1],
1411 &dev->ports[SAA7164_PORT_VBI1].read_interval);
1412 saa7164_histogram_print(&dev->ports[SAA7164_PORT_VBI2],
1413 &dev->ports[SAA7164_PORT_VBI2].poll_interval);
1415 saa7164_shutdown(dev);
1417 if (saa7164_boards[dev->board].porta == SAA7164_MPEG_DVB)
1418 saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS1]);
1420 if (saa7164_boards[dev->board].portb == SAA7164_MPEG_DVB)
1421 saa7164_dvb_unregister(&dev->ports[SAA7164_PORT_TS2]);
1423 if (saa7164_boards[dev->board].portc == SAA7164_MPEG_ENCODER)
1424 saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC1]);
1426 if (saa7164_boards[dev->board].portd == SAA7164_MPEG_ENCODER)
1427 saa7164_encoder_unregister(&dev->ports[SAA7164_PORT_ENC2]);
1429 if (saa7164_boards[dev->board].porte == SAA7164_MPEG_VBI)
1430 saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI1]);
1432 if (saa7164_boards[dev->board].portf == SAA7164_MPEG_VBI)
1433 saa7164_vbi_unregister(&dev->ports[SAA7164_PORT_VBI2]);
1435 saa7164_i2c_unregister(&dev->i2c_bus[0]);
1436 saa7164_i2c_unregister(&dev->i2c_bus[1]);
1437 saa7164_i2c_unregister(&dev->i2c_bus[2]);
1439 pci_disable_device(pci_dev);
1441 /* unregister stuff */
1442 free_irq(pci_dev->irq, dev);
1444 mutex_lock(&devlist);
1445 list_del(&dev->devlist);
1446 mutex_unlock(&devlist);
1448 saa7164_dev_unregister(dev);
1449 v4l2_device_unregister(&dev->v4l2_dev);
1453 static struct pci_device_id saa7164_pci_tbl[] = {
1458 .subvendor = PCI_ANY_ID,
1459 .subdevice = PCI_ANY_ID,
1461 /* --- end of list --- */
1464 MODULE_DEVICE_TABLE(pci, saa7164_pci_tbl);
1466 static struct pci_driver saa7164_pci_driver = {
1468 .id_table = saa7164_pci_tbl,
1469 .probe = saa7164_initdev,
1470 .remove = saa7164_finidev,
1476 static int __init saa7164_init(void)
1478 printk(KERN_INFO "saa7164 driver loaded\n");
1480 #ifdef CONFIG_PROC_FS
1481 saa7164_proc_create();
1483 return pci_register_driver(&saa7164_pci_driver);
1486 static void __exit saa7164_fini(void)
1488 #ifdef CONFIG_PROC_FS
1489 remove_proc_entry("saa7164", NULL);
1491 pci_unregister_driver(&saa7164_pci_driver);
1494 module_init(saa7164_init);
1495 module_exit(saa7164_fini);