saa7134-core.c 33 KB

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  1. /*
  2. *
  3. * device driver for philips saa7134 based TV cards
  4. * driver core
  5. *
  6. * (c) 2001-03 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]
  7. *
  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.
  12. *
  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.
  17. *
  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.
  21. */
  22. #include <linux/config.h>
  23. #include <linux/init.h>
  24. #include <linux/list.h>
  25. #include <linux/module.h>
  26. #include <linux/moduleparam.h>
  27. #include <linux/kernel.h>
  28. #include <linux/slab.h>
  29. #include <linux/kmod.h>
  30. #include <linux/sound.h>
  31. #include <linux/interrupt.h>
  32. #include <linux/delay.h>
  33. #include "saa7134-reg.h"
  34. #include "saa7134.h"
  35. MODULE_DESCRIPTION("v4l2 driver module for saa7130/34 based TV cards");
  36. MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
  37. MODULE_LICENSE("GPL");
  38. /* ------------------------------------------------------------------ */
  39. static unsigned int irq_debug = 0;
  40. module_param(irq_debug, int, 0644);
  41. MODULE_PARM_DESC(irq_debug,"enable debug messages [IRQ handler]");
  42. static unsigned int core_debug = 0;
  43. module_param(core_debug, int, 0644);
  44. MODULE_PARM_DESC(core_debug,"enable debug messages [core]");
  45. static unsigned int gpio_tracking = 0;
  46. module_param(gpio_tracking, int, 0644);
  47. MODULE_PARM_DESC(gpio_tracking,"enable debug messages [gpio]");
  48. static unsigned int oss = 0;
  49. module_param(oss, int, 0444);
  50. MODULE_PARM_DESC(oss,"register oss devices (default: no)");
  51. static unsigned int latency = UNSET;
  52. module_param(latency, int, 0444);
  53. MODULE_PARM_DESC(latency,"pci latency timer");
  54. static unsigned int video_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  55. static unsigned int vbi_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  56. static unsigned int radio_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  57. static unsigned int dsp_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  58. static unsigned int mixer_nr[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  59. static unsigned int tuner[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  60. static unsigned int card[] = {[0 ... (SAA7134_MAXBOARDS - 1)] = UNSET };
  61. module_param_array(video_nr, int, NULL, 0444);
  62. module_param_array(vbi_nr, int, NULL, 0444);
  63. module_param_array(radio_nr, int, NULL, 0444);
  64. module_param_array(dsp_nr, int, NULL, 0444);
  65. module_param_array(mixer_nr, int, NULL, 0444);
  66. module_param_array(tuner, int, NULL, 0444);
  67. module_param_array(card, int, NULL, 0444);
  68. MODULE_PARM_DESC(video_nr, "video device number");
  69. MODULE_PARM_DESC(vbi_nr, "vbi device number");
  70. MODULE_PARM_DESC(radio_nr, "radio device number");
  71. MODULE_PARM_DESC(dsp_nr, "oss dsp device number");
  72. MODULE_PARM_DESC(mixer_nr, "oss mixer device number");
  73. MODULE_PARM_DESC(tuner, "tuner type");
  74. MODULE_PARM_DESC(card, "card type");
  75. static DECLARE_MUTEX(devlist_lock);
  76. LIST_HEAD(saa7134_devlist);
  77. static LIST_HEAD(mops_list);
  78. static unsigned int saa7134_devcount;
  79. #define dprintk(fmt, arg...) if (core_debug) \
  80. printk(KERN_DEBUG "%s/core: " fmt, dev->name , ## arg)
  81. /* ------------------------------------------------------------------ */
  82. /* debug help functions */
  83. static const char *v4l1_ioctls[] = {
  84. "0", "GCAP", "GCHAN", "SCHAN", "GTUNER", "STUNER", "GPICT", "SPICT",
  85. "CCAPTURE", "GWIN", "SWIN", "GFBUF", "SFBUF", "KEY", "GFREQ",
  86. "SFREQ", "GAUDIO", "SAUDIO", "SYNC", "MCAPTURE", "GMBUF", "GUNIT",
  87. "GCAPTURE", "SCAPTURE", "SPLAYMODE", "SWRITEMODE", "GPLAYINFO",
  88. "SMICROCODE", "GVBIFMT", "SVBIFMT" };
  89. #define V4L1_IOCTLS ARRAY_SIZE(v4l1_ioctls)
  90. static const char *v4l2_ioctls[] = {
  91. "QUERYCAP", "1", "ENUM_PIXFMT", "ENUM_FBUFFMT", "G_FMT", "S_FMT",
  92. "G_COMP", "S_COMP", "REQBUFS", "QUERYBUF", "G_FBUF", "S_FBUF",
  93. "G_WIN", "S_WIN", "PREVIEW", "QBUF", "16", "DQBUF", "STREAMON",
  94. "STREAMOFF", "G_PERF", "G_PARM", "S_PARM", "G_STD", "S_STD",
  95. "ENUMSTD", "ENUMINPUT", "G_CTRL", "S_CTRL", "G_TUNER", "S_TUNER",
  96. "G_FREQ", "S_FREQ", "G_AUDIO", "S_AUDIO", "35", "QUERYCTRL",
  97. "QUERYMENU", "G_INPUT", "S_INPUT", "ENUMCVT", "41", "42", "43",
  98. "44", "45", "G_OUTPUT", "S_OUTPUT", "ENUMOUTPUT", "G_AUDOUT",
  99. "S_AUDOUT", "ENUMFX", "G_EFFECT", "S_EFFECT", "G_MODULATOR",
  100. "S_MODULATOR"
  101. };
  102. #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
  103. static const char *osspcm_ioctls[] = {
  104. "RESET", "SYNC", "SPEED", "STEREO", "GETBLKSIZE", "SETFMT",
  105. "CHANNELS", "?", "POST", "SUBDIVIDE", "SETFRAGMENT", "GETFMTS",
  106. "GETOSPACE", "GETISPACE", "NONBLOCK", "GETCAPS", "GET/SETTRIGGER",
  107. "GETIPTR", "GETOPTR", "MAPINBUF", "MAPOUTBUF", "SETSYNCRO",
  108. "SETDUPLEX", "GETODELAY"
  109. };
  110. #define OSSPCM_IOCTLS ARRAY_SIZE(v4l2_ioctls)
  111. void saa7134_print_ioctl(char *name, unsigned int cmd)
  112. {
  113. char *dir;
  114. switch (_IOC_DIR(cmd)) {
  115. case _IOC_NONE: dir = "--"; break;
  116. case _IOC_READ: dir = "r-"; break;
  117. case _IOC_WRITE: dir = "-w"; break;
  118. case _IOC_READ | _IOC_WRITE: dir = "rw"; break;
  119. default: dir = "??"; break;
  120. }
  121. switch (_IOC_TYPE(cmd)) {
  122. case 'v':
  123. printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l1, %s, VIDIOC%s)\n",
  124. name, cmd, dir, (_IOC_NR(cmd) < V4L1_IOCTLS) ?
  125. v4l1_ioctls[_IOC_NR(cmd)] : "???");
  126. break;
  127. case 'V':
  128. printk(KERN_DEBUG "%s: ioctl 0x%08x (v4l2, %s, VIDIOC_%s)\n",
  129. name, cmd, dir, (_IOC_NR(cmd) < V4L2_IOCTLS) ?
  130. v4l2_ioctls[_IOC_NR(cmd)] : "???");
  131. break;
  132. case 'P':
  133. printk(KERN_DEBUG "%s: ioctl 0x%08x (oss dsp, %s, SNDCTL_DSP_%s)\n",
  134. name, cmd, dir, (_IOC_NR(cmd) < OSSPCM_IOCTLS) ?
  135. osspcm_ioctls[_IOC_NR(cmd)] : "???");
  136. break;
  137. case 'M':
  138. printk(KERN_DEBUG "%s: ioctl 0x%08x (oss mixer, %s, #%d)\n",
  139. name, cmd, dir, _IOC_NR(cmd));
  140. break;
  141. default:
  142. printk(KERN_DEBUG "%s: ioctl 0x%08x (???, %s, #%d)\n",
  143. name, cmd, dir, _IOC_NR(cmd));
  144. }
  145. }
  146. void saa7134_track_gpio(struct saa7134_dev *dev, char *msg)
  147. {
  148. unsigned long mode,status;
  149. if (!gpio_tracking)
  150. return;
  151. /* rising SAA7134_GPIO_GPRESCAN reads the status */
  152. saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,0);
  153. saa_andorb(SAA7134_GPIO_GPMODE3,SAA7134_GPIO_GPRESCAN,SAA7134_GPIO_GPRESCAN);
  154. mode = saa_readl(SAA7134_GPIO_GPMODE0 >> 2) & 0xfffffff;
  155. status = saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2) & 0xfffffff;
  156. printk(KERN_DEBUG
  157. "%s: gpio: mode=0x%07lx in=0x%07lx out=0x%07lx [%s]\n",
  158. dev->name, mode, (~mode) & status, mode & status, msg);
  159. }
  160. /* ------------------------------------------------------------------ */
  161. /* ----------------------------------------------------------- */
  162. /* delayed request_module */
  163. #ifdef CONFIG_MODULES
  164. static int need_empress;
  165. static int need_dvb;
  166. static int pending_call(struct notifier_block *self, unsigned long state,
  167. void *module)
  168. {
  169. if (module != THIS_MODULE || state != MODULE_STATE_LIVE)
  170. return NOTIFY_DONE;
  171. if (need_empress)
  172. request_module("saa7134-empress");
  173. if (need_dvb)
  174. request_module("saa7134-dvb");
  175. return NOTIFY_DONE;
  176. }
  177. static int pending_registered;
  178. static struct notifier_block pending_notifier = {
  179. .notifier_call = pending_call,
  180. };
  181. static void request_module_depend(char *name, int *flag)
  182. {
  183. switch (THIS_MODULE->state) {
  184. case MODULE_STATE_COMING:
  185. if (!pending_registered) {
  186. register_module_notifier(&pending_notifier);
  187. pending_registered = 1;
  188. }
  189. *flag = 1;
  190. break;
  191. case MODULE_STATE_LIVE:
  192. request_module(name);
  193. break;
  194. default:
  195. /* nothing */;
  196. break;
  197. }
  198. }
  199. #else
  200. #define request_module_depend(name,flag)
  201. #endif /* CONFIG_MODULES */
  202. /* ------------------------------------------------------------------ */
  203. /* nr of (saa7134-)pages for the given buffer size */
  204. static int saa7134_buffer_pages(int size)
  205. {
  206. size = PAGE_ALIGN(size);
  207. size += PAGE_SIZE; /* for non-page-aligned buffers */
  208. size /= 4096;
  209. return size;
  210. }
  211. /* calc max # of buffers from size (must not exceed the 4MB virtual
  212. * address space per DMA channel) */
  213. int saa7134_buffer_count(unsigned int size, unsigned int count)
  214. {
  215. unsigned int maxcount;
  216. maxcount = 1024 / saa7134_buffer_pages(size);
  217. if (count > maxcount)
  218. count = maxcount;
  219. return count;
  220. }
  221. int saa7134_buffer_startpage(struct saa7134_buf *buf)
  222. {
  223. return saa7134_buffer_pages(buf->vb.bsize) * buf->vb.i;
  224. }
  225. unsigned long saa7134_buffer_base(struct saa7134_buf *buf)
  226. {
  227. unsigned long base;
  228. base = saa7134_buffer_startpage(buf) * 4096;
  229. base += buf->vb.dma.sglist[0].offset;
  230. return base;
  231. }
  232. /* ------------------------------------------------------------------ */
  233. int saa7134_pgtable_alloc(struct pci_dev *pci, struct saa7134_pgtable *pt)
  234. {
  235. __le32 *cpu;
  236. dma_addr_t dma_addr;
  237. cpu = pci_alloc_consistent(pci, SAA7134_PGTABLE_SIZE, &dma_addr);
  238. if (NULL == cpu)
  239. return -ENOMEM;
  240. pt->size = SAA7134_PGTABLE_SIZE;
  241. pt->cpu = cpu;
  242. pt->dma = dma_addr;
  243. return 0;
  244. }
  245. int saa7134_pgtable_build(struct pci_dev *pci, struct saa7134_pgtable *pt,
  246. struct scatterlist *list, unsigned int length,
  247. unsigned int startpage)
  248. {
  249. __le32 *ptr;
  250. unsigned int i,p;
  251. BUG_ON(NULL == pt || NULL == pt->cpu);
  252. ptr = pt->cpu + startpage;
  253. for (i = 0; i < length; i++, list++)
  254. for (p = 0; p * 4096 < list->length; p++, ptr++)
  255. *ptr = cpu_to_le32(sg_dma_address(list) - list->offset);
  256. return 0;
  257. }
  258. void saa7134_pgtable_free(struct pci_dev *pci, struct saa7134_pgtable *pt)
  259. {
  260. if (NULL == pt->cpu)
  261. return;
  262. pci_free_consistent(pci, pt->size, pt->cpu, pt->dma);
  263. pt->cpu = NULL;
  264. }
  265. /* ------------------------------------------------------------------ */
  266. void saa7134_dma_free(struct saa7134_dev *dev,struct saa7134_buf *buf)
  267. {
  268. if (in_interrupt())
  269. BUG();
  270. videobuf_waiton(&buf->vb,0,0);
  271. videobuf_dma_pci_unmap(dev->pci, &buf->vb.dma);
  272. videobuf_dma_free(&buf->vb.dma);
  273. buf->vb.state = STATE_NEEDS_INIT;
  274. }
  275. /* ------------------------------------------------------------------ */
  276. int saa7134_buffer_queue(struct saa7134_dev *dev,
  277. struct saa7134_dmaqueue *q,
  278. struct saa7134_buf *buf)
  279. {
  280. struct saa7134_buf *next = NULL;
  281. assert_spin_locked(&dev->slock);
  282. dprintk("buffer_queue %p\n",buf);
  283. if (NULL == q->curr) {
  284. if (!q->need_two) {
  285. q->curr = buf;
  286. buf->activate(dev,buf,NULL);
  287. } else if (list_empty(&q->queue)) {
  288. list_add_tail(&buf->vb.queue,&q->queue);
  289. buf->vb.state = STATE_QUEUED;
  290. } else {
  291. next = list_entry(q->queue.next,struct saa7134_buf,
  292. vb.queue);
  293. q->curr = buf;
  294. buf->activate(dev,buf,next);
  295. }
  296. } else {
  297. list_add_tail(&buf->vb.queue,&q->queue);
  298. buf->vb.state = STATE_QUEUED;
  299. }
  300. return 0;
  301. }
  302. void saa7134_buffer_finish(struct saa7134_dev *dev,
  303. struct saa7134_dmaqueue *q,
  304. unsigned int state)
  305. {
  306. assert_spin_locked(&dev->slock);
  307. dprintk("buffer_finish %p\n",q->curr);
  308. /* finish current buffer */
  309. q->curr->vb.state = state;
  310. do_gettimeofday(&q->curr->vb.ts);
  311. wake_up(&q->curr->vb.done);
  312. q->curr = NULL;
  313. }
  314. void saa7134_buffer_next(struct saa7134_dev *dev,
  315. struct saa7134_dmaqueue *q)
  316. {
  317. struct saa7134_buf *buf,*next = NULL;
  318. assert_spin_locked(&dev->slock);
  319. BUG_ON(NULL != q->curr);
  320. if (!list_empty(&q->queue)) {
  321. /* activate next one from queue */
  322. buf = list_entry(q->queue.next,struct saa7134_buf,vb.queue);
  323. dprintk("buffer_next %p [prev=%p/next=%p]\n",
  324. buf,q->queue.prev,q->queue.next);
  325. list_del(&buf->vb.queue);
  326. if (!list_empty(&q->queue))
  327. next = list_entry(q->queue.next,struct saa7134_buf,
  328. vb.queue);
  329. q->curr = buf;
  330. buf->activate(dev,buf,next);
  331. dprintk("buffer_next #2 prev=%p/next=%p\n",
  332. q->queue.prev,q->queue.next);
  333. } else {
  334. /* nothing to do -- just stop DMA */
  335. dprintk("buffer_next %p\n",NULL);
  336. saa7134_set_dmabits(dev);
  337. del_timer(&q->timeout);
  338. }
  339. }
  340. void saa7134_buffer_timeout(unsigned long data)
  341. {
  342. struct saa7134_dmaqueue *q = (struct saa7134_dmaqueue*)data;
  343. struct saa7134_dev *dev = q->dev;
  344. unsigned long flags;
  345. spin_lock_irqsave(&dev->slock,flags);
  346. /* try to reset the hardware (SWRST) */
  347. saa_writeb(SAA7134_REGION_ENABLE, 0x00);
  348. saa_writeb(SAA7134_REGION_ENABLE, 0x80);
  349. saa_writeb(SAA7134_REGION_ENABLE, 0x00);
  350. /* flag current buffer as failed,
  351. try to start over with the next one. */
  352. if (q->curr) {
  353. dprintk("timeout on %p\n",q->curr);
  354. saa7134_buffer_finish(dev,q,STATE_ERROR);
  355. }
  356. saa7134_buffer_next(dev,q);
  357. spin_unlock_irqrestore(&dev->slock,flags);
  358. }
  359. /* ------------------------------------------------------------------ */
  360. int saa7134_set_dmabits(struct saa7134_dev *dev)
  361. {
  362. u32 split, task=0, ctrl=0, irq=0;
  363. enum v4l2_field cap = V4L2_FIELD_ANY;
  364. enum v4l2_field ov = V4L2_FIELD_ANY;
  365. assert_spin_locked(&dev->slock);
  366. /* video capture -- dma 0 + video task A */
  367. if (dev->video_q.curr) {
  368. task |= 0x01;
  369. ctrl |= SAA7134_MAIN_CTRL_TE0;
  370. irq |= SAA7134_IRQ1_INTE_RA0_1 |
  371. SAA7134_IRQ1_INTE_RA0_0;
  372. cap = dev->video_q.curr->vb.field;
  373. }
  374. /* video capture -- dma 1+2 (planar modes) */
  375. if (dev->video_q.curr &&
  376. dev->video_q.curr->fmt->planar) {
  377. ctrl |= SAA7134_MAIN_CTRL_TE4 |
  378. SAA7134_MAIN_CTRL_TE5;
  379. }
  380. /* screen overlay -- dma 0 + video task B */
  381. if (dev->ovenable) {
  382. task |= 0x10;
  383. ctrl |= SAA7134_MAIN_CTRL_TE1;
  384. ov = dev->ovfield;
  385. }
  386. /* vbi capture -- dma 0 + vbi task A+B */
  387. if (dev->vbi_q.curr) {
  388. task |= 0x22;
  389. ctrl |= SAA7134_MAIN_CTRL_TE2 |
  390. SAA7134_MAIN_CTRL_TE3;
  391. irq |= SAA7134_IRQ1_INTE_RA0_7 |
  392. SAA7134_IRQ1_INTE_RA0_6 |
  393. SAA7134_IRQ1_INTE_RA0_5 |
  394. SAA7134_IRQ1_INTE_RA0_4;
  395. }
  396. /* audio capture -- dma 3 */
  397. if (dev->oss.dma_running) {
  398. ctrl |= SAA7134_MAIN_CTRL_TE6;
  399. irq |= SAA7134_IRQ1_INTE_RA3_1 |
  400. SAA7134_IRQ1_INTE_RA3_0;
  401. }
  402. /* TS capture -- dma 5 */
  403. if (dev->ts_q.curr) {
  404. ctrl |= SAA7134_MAIN_CTRL_TE5;
  405. irq |= SAA7134_IRQ1_INTE_RA2_3 |
  406. SAA7134_IRQ1_INTE_RA2_2 |
  407. SAA7134_IRQ1_INTE_RA2_1 |
  408. SAA7134_IRQ1_INTE_RA2_0;
  409. }
  410. /* set task conditions + field handling */
  411. if (V4L2_FIELD_HAS_BOTH(cap) || V4L2_FIELD_HAS_BOTH(ov) || cap == ov) {
  412. /* default config -- use full frames */
  413. saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
  414. saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
  415. saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x02);
  416. saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x02);
  417. split = 0;
  418. } else {
  419. /* split fields between tasks */
  420. if (V4L2_FIELD_TOP == cap) {
  421. /* odd A, even B, repeat */
  422. saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0d);
  423. saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0e);
  424. } else {
  425. /* odd B, even A, repeat */
  426. saa_writeb(SAA7134_TASK_CONDITIONS(TASK_A), 0x0e);
  427. saa_writeb(SAA7134_TASK_CONDITIONS(TASK_B), 0x0d);
  428. }
  429. saa_writeb(SAA7134_FIELD_HANDLING(TASK_A), 0x01);
  430. saa_writeb(SAA7134_FIELD_HANDLING(TASK_B), 0x01);
  431. split = 1;
  432. }
  433. /* irqs */
  434. saa_writeb(SAA7134_REGION_ENABLE, task);
  435. saa_writel(SAA7134_IRQ1, irq);
  436. saa_andorl(SAA7134_MAIN_CTRL,
  437. SAA7134_MAIN_CTRL_TE0 |
  438. SAA7134_MAIN_CTRL_TE1 |
  439. SAA7134_MAIN_CTRL_TE2 |
  440. SAA7134_MAIN_CTRL_TE3 |
  441. SAA7134_MAIN_CTRL_TE4 |
  442. SAA7134_MAIN_CTRL_TE5 |
  443. SAA7134_MAIN_CTRL_TE6,
  444. ctrl);
  445. dprintk("dmabits: task=0x%02x ctrl=0x%02x irq=0x%x split=%s\n",
  446. task, ctrl, irq, split ? "no" : "yes");
  447. return 0;
  448. }
  449. /* ------------------------------------------------------------------ */
  450. /* IRQ handler + helpers */
  451. static char *irqbits[] = {
  452. "DONE_RA0", "DONE_RA1", "DONE_RA2", "DONE_RA3",
  453. "AR", "PE", "PWR_ON", "RDCAP", "INTL", "FIDT", "MMC",
  454. "TRIG_ERR", "CONF_ERR", "LOAD_ERR",
  455. "GPIO16?", "GPIO18", "GPIO22", "GPIO23"
  456. };
  457. #define IRQBITS ARRAY_SIZE(irqbits)
  458. static void print_irqstatus(struct saa7134_dev *dev, int loop,
  459. unsigned long report, unsigned long status)
  460. {
  461. unsigned int i;
  462. printk(KERN_DEBUG "%s/irq[%d,%ld]: r=0x%lx s=0x%02lx",
  463. dev->name,loop,jiffies,report,status);
  464. for (i = 0; i < IRQBITS; i++) {
  465. if (!(report & (1 << i)))
  466. continue;
  467. printk(" %s",irqbits[i]);
  468. }
  469. if (report & SAA7134_IRQ_REPORT_DONE_RA0) {
  470. printk(" | RA0=%s,%s,%s,%ld",
  471. (status & 0x40) ? "vbi" : "video",
  472. (status & 0x20) ? "b" : "a",
  473. (status & 0x10) ? "odd" : "even",
  474. (status & 0x0f));
  475. }
  476. printk("\n");
  477. }
  478. static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs)
  479. {
  480. struct saa7134_dev *dev = (struct saa7134_dev*) dev_id;
  481. unsigned long report,status;
  482. int loop, handled = 0;
  483. for (loop = 0; loop < 10; loop++) {
  484. report = saa_readl(SAA7134_IRQ_REPORT);
  485. status = saa_readl(SAA7134_IRQ_STATUS);
  486. if (0 == report) {
  487. if (irq_debug > 1)
  488. printk(KERN_DEBUG "%s/irq: no (more) work\n",
  489. dev->name);
  490. goto out;
  491. }
  492. handled = 1;
  493. saa_writel(SAA7134_IRQ_REPORT,report);
  494. if (irq_debug)
  495. print_irqstatus(dev,loop,report,status);
  496. if (report & SAA7134_IRQ_REPORT_RDCAP /* _INTL */)
  497. saa7134_irq_video_intl(dev);
  498. if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
  499. (status & 0x60) == 0)
  500. saa7134_irq_video_done(dev,status);
  501. if ((report & SAA7134_IRQ_REPORT_DONE_RA0) &&
  502. (status & 0x40) == 0x40)
  503. saa7134_irq_vbi_done(dev,status);
  504. if ((report & SAA7134_IRQ_REPORT_DONE_RA2) &&
  505. card_has_mpeg(dev))
  506. saa7134_irq_ts_done(dev,status);
  507. if ((report & SAA7134_IRQ_REPORT_DONE_RA3))
  508. saa7134_irq_oss_done(dev,status);
  509. if ((report & (SAA7134_IRQ_REPORT_GPIO16 |
  510. SAA7134_IRQ_REPORT_GPIO18)) &&
  511. dev->remote)
  512. saa7134_input_irq(dev);
  513. }
  514. if (10 == loop) {
  515. print_irqstatus(dev,loop,report,status);
  516. if (report & SAA7134_IRQ_REPORT_PE) {
  517. /* disable all parity error */
  518. printk(KERN_WARNING "%s/irq: looping -- "
  519. "clearing PE (parity error!) enable bit\n",dev->name);
  520. saa_clearl(SAA7134_IRQ2,SAA7134_IRQ2_INTE_PE);
  521. } else if (report & (SAA7134_IRQ_REPORT_GPIO16 |
  522. SAA7134_IRQ_REPORT_GPIO18)) {
  523. /* disable gpio IRQs */
  524. printk(KERN_WARNING "%s/irq: looping -- "
  525. "clearing GPIO enable bits\n",dev->name);
  526. saa_clearl(SAA7134_IRQ2, (SAA7134_IRQ2_INTE_GPIO16 |
  527. SAA7134_IRQ2_INTE_GPIO18));
  528. } else {
  529. /* disable all irqs */
  530. printk(KERN_WARNING "%s/irq: looping -- "
  531. "clearing all enable bits\n",dev->name);
  532. saa_writel(SAA7134_IRQ1,0);
  533. saa_writel(SAA7134_IRQ2,0);
  534. }
  535. }
  536. out:
  537. return IRQ_RETVAL(handled);
  538. }
  539. /* ------------------------------------------------------------------ */
  540. /* early init (no i2c, no irq) */
  541. static int saa7134_hwinit1(struct saa7134_dev *dev)
  542. {
  543. dprintk("hwinit1\n");
  544. saa_writel(SAA7134_IRQ1, 0);
  545. saa_writel(SAA7134_IRQ2, 0);
  546. init_MUTEX(&dev->lock);
  547. spin_lock_init(&dev->slock);
  548. saa7134_track_gpio(dev,"pre-init");
  549. saa7134_video_init1(dev);
  550. saa7134_vbi_init1(dev);
  551. if (card_has_mpeg(dev))
  552. saa7134_ts_init1(dev);
  553. saa7134_input_init1(dev);
  554. switch (dev->pci->device) {
  555. case PCI_DEVICE_ID_PHILIPS_SAA7134:
  556. case PCI_DEVICE_ID_PHILIPS_SAA7133:
  557. case PCI_DEVICE_ID_PHILIPS_SAA7135:
  558. saa7134_oss_init1(dev);
  559. break;
  560. }
  561. /* RAM FIFO config */
  562. saa_writel(SAA7134_FIFO_SIZE, 0x08070503);
  563. saa_writel(SAA7134_THRESHOULD,0x02020202);
  564. /* enable audio + video processing */
  565. saa_writel(SAA7134_MAIN_CTRL,
  566. SAA7134_MAIN_CTRL_VPLLE |
  567. SAA7134_MAIN_CTRL_APLLE |
  568. SAA7134_MAIN_CTRL_EXOSC |
  569. SAA7134_MAIN_CTRL_EVFE1 |
  570. SAA7134_MAIN_CTRL_EVFE2 |
  571. SAA7134_MAIN_CTRL_ESFE |
  572. SAA7134_MAIN_CTRL_EBDAC);
  573. /* enable peripheral devices */
  574. saa_writeb(SAA7134_SPECIAL_MODE, 0x01);
  575. /* set vertical line numbering start (vbi needs this) */
  576. saa_writeb(SAA7134_SOURCE_TIMING2, 0x20);
  577. return 0;
  578. }
  579. /* late init (with i2c + irq) */
  580. static int saa7134_hwinit2(struct saa7134_dev *dev)
  581. {
  582. unsigned int irq2_mask;
  583. dprintk("hwinit2\n");
  584. saa7134_video_init2(dev);
  585. saa7134_tvaudio_init2(dev);
  586. /* enable IRQ's */
  587. irq2_mask =
  588. SAA7134_IRQ2_INTE_DEC3 |
  589. SAA7134_IRQ2_INTE_DEC2 |
  590. SAA7134_IRQ2_INTE_DEC1 |
  591. SAA7134_IRQ2_INTE_DEC0 |
  592. SAA7134_IRQ2_INTE_PE |
  593. SAA7134_IRQ2_INTE_AR;
  594. if (dev->has_remote)
  595. irq2_mask |= (SAA7134_IRQ2_INTE_GPIO18 |
  596. SAA7134_IRQ2_INTE_GPIO18A |
  597. SAA7134_IRQ2_INTE_GPIO16 );
  598. saa_writel(SAA7134_IRQ1, 0);
  599. saa_writel(SAA7134_IRQ2, irq2_mask);
  600. return 0;
  601. }
  602. /* shutdown */
  603. static int saa7134_hwfini(struct saa7134_dev *dev)
  604. {
  605. dprintk("hwfini\n");
  606. switch (dev->pci->device) {
  607. case PCI_DEVICE_ID_PHILIPS_SAA7134:
  608. case PCI_DEVICE_ID_PHILIPS_SAA7133:
  609. case PCI_DEVICE_ID_PHILIPS_SAA7135:
  610. saa7134_oss_fini(dev);
  611. break;
  612. }
  613. if (card_has_mpeg(dev))
  614. saa7134_ts_fini(dev);
  615. saa7134_input_fini(dev);
  616. saa7134_vbi_fini(dev);
  617. saa7134_video_fini(dev);
  618. saa7134_tvaudio_fini(dev);
  619. return 0;
  620. }
  621. static void __devinit must_configure_manually(void)
  622. {
  623. unsigned int i,p;
  624. printk(KERN_WARNING
  625. "saa7134: <rant>\n"
  626. "saa7134: Congratulations! Your TV card vendor saved a few\n"
  627. "saa7134: cents for a eeprom, thus your pci board has no\n"
  628. "saa7134: subsystem ID and I can't identify it automatically\n"
  629. "saa7134: </rant>\n"
  630. "saa7134: I feel better now. Ok, here are the good news:\n"
  631. "saa7134: You can use the card=<nr> insmod option to specify\n"
  632. "saa7134: which board do you have. The list:\n");
  633. for (i = 0; i < saa7134_bcount; i++) {
  634. printk(KERN_WARNING "saa7134: card=%d -> %-40.40s",
  635. i,saa7134_boards[i].name);
  636. for (p = 0; saa7134_pci_tbl[p].driver_data; p++) {
  637. if (saa7134_pci_tbl[p].driver_data != i)
  638. continue;
  639. printk(" %04x:%04x",
  640. saa7134_pci_tbl[p].subvendor,
  641. saa7134_pci_tbl[p].subdevice);
  642. }
  643. printk("\n");
  644. }
  645. }
  646. static struct video_device *vdev_init(struct saa7134_dev *dev,
  647. struct video_device *template,
  648. char *type)
  649. {
  650. struct video_device *vfd;
  651. vfd = video_device_alloc();
  652. if (NULL == vfd)
  653. return NULL;
  654. *vfd = *template;
  655. vfd->minor = -1;
  656. vfd->dev = &dev->pci->dev;
  657. vfd->release = video_device_release;
  658. snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)",
  659. dev->name, type, saa7134_boards[dev->board].name);
  660. return vfd;
  661. }
  662. static void saa7134_unregister_video(struct saa7134_dev *dev)
  663. {
  664. if (dev->video_dev) {
  665. if (-1 != dev->video_dev->minor)
  666. video_unregister_device(dev->video_dev);
  667. else
  668. video_device_release(dev->video_dev);
  669. dev->video_dev = NULL;
  670. }
  671. if (dev->vbi_dev) {
  672. if (-1 != dev->vbi_dev->minor)
  673. video_unregister_device(dev->vbi_dev);
  674. else
  675. video_device_release(dev->vbi_dev);
  676. dev->vbi_dev = NULL;
  677. }
  678. if (dev->radio_dev) {
  679. if (-1 != dev->radio_dev->minor)
  680. video_unregister_device(dev->radio_dev);
  681. else
  682. video_device_release(dev->radio_dev);
  683. dev->radio_dev = NULL;
  684. }
  685. }
  686. static void mpeg_ops_attach(struct saa7134_mpeg_ops *ops,
  687. struct saa7134_dev *dev)
  688. {
  689. int err;
  690. if (NULL != dev->mops)
  691. return;
  692. if (saa7134_boards[dev->board].mpeg != ops->type)
  693. return;
  694. err = ops->init(dev);
  695. if (0 != err)
  696. return;
  697. dev->mops = ops;
  698. }
  699. static void mpeg_ops_detach(struct saa7134_mpeg_ops *ops,
  700. struct saa7134_dev *dev)
  701. {
  702. if (NULL == dev->mops)
  703. return;
  704. if (dev->mops != ops)
  705. return;
  706. dev->mops->fini(dev);
  707. dev->mops = NULL;
  708. }
  709. static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
  710. const struct pci_device_id *pci_id)
  711. {
  712. struct saa7134_dev *dev;
  713. struct list_head *item;
  714. struct saa7134_mpeg_ops *mops;
  715. int err;
  716. dev = kmalloc(sizeof(*dev),GFP_KERNEL);
  717. if (NULL == dev)
  718. return -ENOMEM;
  719. memset(dev,0,sizeof(*dev));
  720. /* pci init */
  721. dev->pci = pci_dev;
  722. if (pci_enable_device(pci_dev)) {
  723. err = -EIO;
  724. goto fail1;
  725. }
  726. dev->nr = saa7134_devcount;
  727. sprintf(dev->name,"saa%x[%d]",pci_dev->device,dev->nr);
  728. /* pci quirks */
  729. if (pci_pci_problems) {
  730. if (pci_pci_problems & PCIPCI_TRITON)
  731. printk(KERN_INFO "%s: quirk: PCIPCI_TRITON\n", dev->name);
  732. if (pci_pci_problems & PCIPCI_NATOMA)
  733. printk(KERN_INFO "%s: quirk: PCIPCI_NATOMA\n", dev->name);
  734. if (pci_pci_problems & PCIPCI_VIAETBF)
  735. printk(KERN_INFO "%s: quirk: PCIPCI_VIAETBF\n", dev->name);
  736. if (pci_pci_problems & PCIPCI_VSFX)
  737. printk(KERN_INFO "%s: quirk: PCIPCI_VSFX\n",dev->name);
  738. #ifdef PCIPCI_ALIMAGIK
  739. if (pci_pci_problems & PCIPCI_ALIMAGIK) {
  740. printk(KERN_INFO "%s: quirk: PCIPCI_ALIMAGIK -- latency fixup\n",
  741. dev->name);
  742. latency = 0x0A;
  743. }
  744. #endif
  745. }
  746. if (UNSET != latency) {
  747. printk(KERN_INFO "%s: setting pci latency timer to %d\n",
  748. dev->name,latency);
  749. pci_write_config_byte(pci_dev, PCI_LATENCY_TIMER, latency);
  750. }
  751. /* print pci info */
  752. pci_read_config_byte(pci_dev, PCI_CLASS_REVISION, &dev->pci_rev);
  753. pci_read_config_byte(pci_dev, PCI_LATENCY_TIMER, &dev->pci_lat);
  754. printk(KERN_INFO "%s: found at %s, rev: %d, irq: %d, "
  755. "latency: %d, mmio: 0x%lx\n", dev->name,
  756. pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
  757. dev->pci_lat,pci_resource_start(pci_dev,0));
  758. pci_set_master(pci_dev);
  759. if (!pci_dma_supported(pci_dev,0xffffffff)) {
  760. printk("%s: Oops: no 32bit PCI DMA ???\n",dev->name);
  761. err = -EIO;
  762. goto fail1;
  763. }
  764. /* board config */
  765. dev->board = pci_id->driver_data;
  766. if (card[dev->nr] >= 0 &&
  767. card[dev->nr] < saa7134_bcount)
  768. dev->board = card[dev->nr];
  769. if (SAA7134_BOARD_NOAUTO == dev->board) {
  770. must_configure_manually();
  771. dev->board = SAA7134_BOARD_UNKNOWN;
  772. }
  773. dev->tuner_type = saa7134_boards[dev->board].tuner_type;
  774. dev->tda9887_conf = saa7134_boards[dev->board].tda9887_conf;
  775. if (UNSET != tuner[dev->nr])
  776. dev->tuner_type = tuner[dev->nr];
  777. printk(KERN_INFO "%s: subsystem: %04x:%04x, board: %s [card=%d,%s]\n",
  778. dev->name,pci_dev->subsystem_vendor,
  779. pci_dev->subsystem_device,saa7134_boards[dev->board].name,
  780. dev->board, card[dev->nr] == dev->board ?
  781. "insmod option" : "autodetected");
  782. /* get mmio */
  783. if (!request_mem_region(pci_resource_start(pci_dev,0),
  784. pci_resource_len(pci_dev,0),
  785. dev->name)) {
  786. err = -EBUSY;
  787. printk(KERN_ERR "%s: can't get MMIO memory @ 0x%lx\n",
  788. dev->name,pci_resource_start(pci_dev,0));
  789. goto fail1;
  790. }
  791. dev->lmmio = ioremap(pci_resource_start(pci_dev,0), 0x1000);
  792. dev->bmmio = (__u8 __iomem *)dev->lmmio;
  793. if (NULL == dev->lmmio) {
  794. err = -EIO;
  795. printk(KERN_ERR "%s: can't ioremap() MMIO memory\n",
  796. dev->name);
  797. goto fail2;
  798. }
  799. /* initialize hardware #1 */
  800. saa7134_board_init1(dev);
  801. saa7134_hwinit1(dev);
  802. /* get irq */
  803. err = request_irq(pci_dev->irq, saa7134_irq,
  804. SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
  805. if (err < 0) {
  806. printk(KERN_ERR "%s: can't get IRQ %d\n",
  807. dev->name,pci_dev->irq);
  808. goto fail3;
  809. }
  810. /* wait a bit, register i2c bus */
  811. msleep(100);
  812. saa7134_i2c_register(dev);
  813. /* initialize hardware #2 */
  814. saa7134_board_init2(dev);
  815. saa7134_hwinit2(dev);
  816. /* load i2c helpers */
  817. if (TUNER_ABSENT != dev->tuner_type)
  818. request_module("tuner");
  819. if (dev->tda9887_conf)
  820. request_module("tda9887");
  821. if (card_is_empress(dev)) {
  822. request_module("saa6752hs");
  823. request_module_depend("saa7134-empress",&need_empress);
  824. }
  825. if (card_is_dvb(dev))
  826. request_module_depend("saa7134-dvb",&need_dvb);
  827. v4l2_prio_init(&dev->prio);
  828. /* register v4l devices */
  829. dev->video_dev = vdev_init(dev,&saa7134_video_template,"video");
  830. err = video_register_device(dev->video_dev,VFL_TYPE_GRABBER,
  831. video_nr[dev->nr]);
  832. if (err < 0) {
  833. printk(KERN_INFO "%s: can't register video device\n",
  834. dev->name);
  835. goto fail4;
  836. }
  837. printk(KERN_INFO "%s: registered device video%d [v4l2]\n",
  838. dev->name,dev->video_dev->minor & 0x1f);
  839. dev->vbi_dev = vdev_init(dev,&saa7134_vbi_template,"vbi");
  840. err = video_register_device(dev->vbi_dev,VFL_TYPE_VBI,
  841. vbi_nr[dev->nr]);
  842. if (err < 0)
  843. goto fail4;
  844. printk(KERN_INFO "%s: registered device vbi%d\n",
  845. dev->name,dev->vbi_dev->minor & 0x1f);
  846. if (card_has_radio(dev)) {
  847. dev->radio_dev = vdev_init(dev,&saa7134_radio_template,"radio");
  848. err = video_register_device(dev->radio_dev,VFL_TYPE_RADIO,
  849. radio_nr[dev->nr]);
  850. if (err < 0)
  851. goto fail4;
  852. printk(KERN_INFO "%s: registered device radio%d\n",
  853. dev->name,dev->radio_dev->minor & 0x1f);
  854. }
  855. /* register oss devices */
  856. switch (dev->pci->device) {
  857. case PCI_DEVICE_ID_PHILIPS_SAA7134:
  858. case PCI_DEVICE_ID_PHILIPS_SAA7133:
  859. case PCI_DEVICE_ID_PHILIPS_SAA7135:
  860. if (oss) {
  861. err = dev->oss.minor_dsp =
  862. register_sound_dsp(&saa7134_dsp_fops,
  863. dsp_nr[dev->nr]);
  864. if (err < 0) {
  865. goto fail4;
  866. }
  867. printk(KERN_INFO "%s: registered device dsp%d\n",
  868. dev->name,dev->oss.minor_dsp >> 4);
  869. err = dev->oss.minor_mixer =
  870. register_sound_mixer(&saa7134_mixer_fops,
  871. mixer_nr[dev->nr]);
  872. if (err < 0)
  873. goto fail5;
  874. printk(KERN_INFO "%s: registered device mixer%d\n",
  875. dev->name,dev->oss.minor_mixer >> 4);
  876. }
  877. break;
  878. }
  879. /* everything worked */
  880. pci_set_drvdata(pci_dev,dev);
  881. saa7134_devcount++;
  882. down(&devlist_lock);
  883. list_for_each(item,&mops_list) {
  884. mops = list_entry(item, struct saa7134_mpeg_ops, next);
  885. mpeg_ops_attach(mops, dev);
  886. }
  887. list_add_tail(&dev->devlist,&saa7134_devlist);
  888. up(&devlist_lock);
  889. /* check for signal */
  890. saa7134_irq_video_intl(dev);
  891. return 0;
  892. fail5:
  893. switch (dev->pci->device) {
  894. case PCI_DEVICE_ID_PHILIPS_SAA7134:
  895. case PCI_DEVICE_ID_PHILIPS_SAA7133:
  896. case PCI_DEVICE_ID_PHILIPS_SAA7135:
  897. if (oss)
  898. unregister_sound_dsp(dev->oss.minor_dsp);
  899. break;
  900. }
  901. fail4:
  902. saa7134_unregister_video(dev);
  903. saa7134_i2c_unregister(dev);
  904. free_irq(pci_dev->irq, dev);
  905. fail3:
  906. saa7134_hwfini(dev);
  907. iounmap(dev->lmmio);
  908. fail2:
  909. release_mem_region(pci_resource_start(pci_dev,0),
  910. pci_resource_len(pci_dev,0));
  911. fail1:
  912. kfree(dev);
  913. return err;
  914. }
  915. static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
  916. {
  917. struct saa7134_dev *dev = pci_get_drvdata(pci_dev);
  918. struct list_head *item;
  919. struct saa7134_mpeg_ops *mops;
  920. /* debugging ... */
  921. if (irq_debug) {
  922. u32 report = saa_readl(SAA7134_IRQ_REPORT);
  923. u32 status = saa_readl(SAA7134_IRQ_STATUS);
  924. print_irqstatus(dev,42,report,status);
  925. }
  926. /* disable peripheral devices */
  927. saa_writeb(SAA7134_SPECIAL_MODE,0);
  928. /* shutdown hardware */
  929. saa_writel(SAA7134_IRQ1,0);
  930. saa_writel(SAA7134_IRQ2,0);
  931. saa_writel(SAA7134_MAIN_CTRL,0);
  932. /* shutdown subsystems */
  933. saa7134_hwfini(dev);
  934. /* unregister */
  935. down(&devlist_lock);
  936. list_del(&dev->devlist);
  937. list_for_each(item,&mops_list) {
  938. mops = list_entry(item, struct saa7134_mpeg_ops, next);
  939. mpeg_ops_detach(mops, dev);
  940. }
  941. up(&devlist_lock);
  942. saa7134_devcount--;
  943. saa7134_i2c_unregister(dev);
  944. switch (dev->pci->device) {
  945. case PCI_DEVICE_ID_PHILIPS_SAA7134:
  946. case PCI_DEVICE_ID_PHILIPS_SAA7133:
  947. case PCI_DEVICE_ID_PHILIPS_SAA7135:
  948. if (oss) {
  949. unregister_sound_mixer(dev->oss.minor_mixer);
  950. unregister_sound_dsp(dev->oss.minor_dsp);
  951. }
  952. break;
  953. }
  954. saa7134_unregister_video(dev);
  955. /* release ressources */
  956. free_irq(pci_dev->irq, dev);
  957. iounmap(dev->lmmio);
  958. release_mem_region(pci_resource_start(pci_dev,0),
  959. pci_resource_len(pci_dev,0));
  960. pci_set_drvdata(pci_dev, NULL);
  961. /* free memory */
  962. kfree(dev);
  963. }
  964. /* ----------------------------------------------------------- */
  965. int saa7134_ts_register(struct saa7134_mpeg_ops *ops)
  966. {
  967. struct list_head *item;
  968. struct saa7134_dev *dev;
  969. down(&devlist_lock);
  970. list_for_each(item,&saa7134_devlist) {
  971. dev = list_entry(item, struct saa7134_dev, devlist);
  972. mpeg_ops_attach(ops, dev);
  973. }
  974. list_add_tail(&ops->next,&mops_list);
  975. up(&devlist_lock);
  976. return 0;
  977. }
  978. void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops)
  979. {
  980. struct list_head *item;
  981. struct saa7134_dev *dev;
  982. down(&devlist_lock);
  983. list_del(&ops->next);
  984. list_for_each(item,&saa7134_devlist) {
  985. dev = list_entry(item, struct saa7134_dev, devlist);
  986. mpeg_ops_detach(ops, dev);
  987. }
  988. up(&devlist_lock);
  989. }
  990. EXPORT_SYMBOL(saa7134_ts_register);
  991. EXPORT_SYMBOL(saa7134_ts_unregister);
  992. /* ----------------------------------------------------------- */
  993. static struct pci_driver saa7134_pci_driver = {
  994. .name = "saa7134",
  995. .id_table = saa7134_pci_tbl,
  996. .probe = saa7134_initdev,
  997. .remove = __devexit_p(saa7134_finidev),
  998. };
  999. static int saa7134_init(void)
  1000. {
  1001. INIT_LIST_HEAD(&saa7134_devlist);
  1002. printk(KERN_INFO "saa7130/34: v4l2 driver version %d.%d.%d loaded\n",
  1003. (SAA7134_VERSION_CODE >> 16) & 0xff,
  1004. (SAA7134_VERSION_CODE >> 8) & 0xff,
  1005. SAA7134_VERSION_CODE & 0xff);
  1006. #ifdef SNAPSHOT
  1007. printk(KERN_INFO "saa7130/34: snapshot date %04d-%02d-%02d\n",
  1008. SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
  1009. #endif
  1010. return pci_module_init(&saa7134_pci_driver);
  1011. }
  1012. static void saa7134_fini(void)
  1013. {
  1014. #ifdef CONFIG_MODULES
  1015. if (pending_registered)
  1016. unregister_module_notifier(&pending_notifier);
  1017. #endif
  1018. pci_unregister_driver(&saa7134_pci_driver);
  1019. }
  1020. module_init(saa7134_init);
  1021. module_exit(saa7134_fini);
  1022. /* ----------------------------------------------------------- */
  1023. EXPORT_SYMBOL(saa7134_print_ioctl);
  1024. EXPORT_SYMBOL(saa7134_i2c_call_clients);
  1025. EXPORT_SYMBOL(saa7134_devlist);
  1026. EXPORT_SYMBOL(saa7134_boards);
  1027. /* ----------------------------------------------------------- */
  1028. /*
  1029. * Local variables:
  1030. * c-basic-offset: 8
  1031. * End:
  1032. */