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Commit | Line | Data |
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1da177e4 | 1 | /* |
41ef7c1e | 2 | * $Id: cx88-mpeg.c,v 1.31 2005/07/07 14:17:47 mchehab Exp $ |
1da177e4 LT |
3 | * |
4 | * Support for the mpeg transport stream transfers | |
5 | * PCI function #2 of the cx2388x. | |
6 | * | |
7 | * (c) 2004 Jelle Foks <jelle@foks.8m.com> | |
8 | * (c) 2004 Chris Pascoe <c.pascoe@itee.uq.edu.au> | |
9 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License as published by | |
13 | * the Free Software Foundation; either version 2 of the License, or | |
14 | * (at your option) any later version. | |
15 | * | |
16 | * This program is distributed in the hope that it will be useful, | |
17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | * GNU General Public License for more details. | |
20 | * | |
21 | * You should have received a copy of the GNU General Public License | |
22 | * along with this program; if not, write to the Free Software | |
23 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
24 | */ | |
25 | ||
26 | #include <linux/module.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <linux/init.h> | |
29 | #include <linux/device.h> | |
30 | #include <linux/interrupt.h> | |
31 | #include <asm/delay.h> | |
32 | ||
33 | #include "cx88.h" | |
34 | ||
35 | /* ------------------------------------------------------------------ */ | |
36 | ||
37 | MODULE_DESCRIPTION("mpeg driver for cx2388x based TV cards"); | |
38 | MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>"); | |
39 | MODULE_AUTHOR("Chris Pascoe <c.pascoe@itee.uq.edu.au>"); | |
40 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
41 | MODULE_LICENSE("GPL"); | |
42 | ||
43 | static unsigned int debug = 0; | |
44 | module_param(debug,int,0644); | |
45 | MODULE_PARM_DESC(debug,"enable debug messages [mpeg]"); | |
46 | ||
47 | #define dprintk(level,fmt, arg...) if (debug >= level) \ | |
48 | printk(KERN_DEBUG "%s/2: " fmt, dev->core->name , ## arg) | |
49 | ||
50 | /* ------------------------------------------------------------------ */ | |
51 | ||
52 | static int cx8802_start_dma(struct cx8802_dev *dev, | |
53 | struct cx88_dmaqueue *q, | |
54 | struct cx88_buffer *buf) | |
55 | { | |
56 | struct cx88_core *core = dev->core; | |
57 | ||
b45009b0 | 58 | dprintk(0, "cx8802_start_dma %d\n", buf->vb.width); |
1da177e4 LT |
59 | |
60 | /* setup fifo + format */ | |
61 | cx88_sram_channel_setup(core, &cx88_sram_channels[SRAM_CH28], | |
62 | dev->ts_packet_size, buf->risc.dma); | |
63 | ||
64 | /* write TS length to chip */ | |
65 | cx_write(MO_TS_LNGTH, buf->vb.width); | |
66 | ||
1da177e4 LT |
67 | /* FIXME: this needs a review. |
68 | * also: move to cx88-blackbird + cx88-dvb source files? */ | |
69 | ||
70 | if (cx88_boards[core->board].dvb) { | |
71 | /* negedge driven & software reset */ | |
f1798495 | 72 | cx_write(TS_GEN_CNTRL, 0x0040 | dev->ts_gen_cntrl); |
1da177e4 LT |
73 | udelay(100); |
74 | cx_write(MO_PINMUX_IO, 0x00); | |
0d723c09 MK |
75 | cx_write(TS_HW_SOP_CNTRL,0x47<<16|188<<4|0x01); |
76 | if ((core->board == CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_Q) || | |
77 | (core->board == CX88_BOARD_DVICO_FUSIONHDTV_3_GOLD_T)) { | |
41ef7c1e | 78 | cx_write(TS_SOP_STAT, 1<<13); |
f1798495 | 79 | } else { |
41ef7c1e | 80 | cx_write(TS_SOP_STAT, 0x00); |
f1798495 | 81 | } |
1da177e4 LT |
82 | cx_write(TS_GEN_CNTRL, dev->ts_gen_cntrl); |
83 | udelay(100); | |
84 | } | |
85 | ||
86 | if (cx88_boards[core->board].blackbird) { | |
87 | cx_write(MO_PINMUX_IO, 0x88); /* enable MPEG parallel IO */ | |
88 | ||
89 | // cx_write(TS_F2_CMD_STAT_MM, 0x2900106); /* F2_CMD_STAT_MM defaults + master + memory space */ | |
90 | cx_write(TS_GEN_CNTRL, 0x46); /* punctured clock TS & posedge driven & software reset */ | |
91 | udelay(100); | |
92 | ||
93 | cx_write(TS_HW_SOP_CNTRL, 0x408); /* mpeg start byte */ | |
94 | //cx_write(TS_HW_SOP_CNTRL, 0x2F0BC0); /* mpeg start byte ts: 0x2F0BC0 ? */ | |
95 | cx_write(TS_VALERR_CNTRL, 0x2000); | |
96 | ||
97 | cx_write(TS_GEN_CNTRL, 0x06); /* punctured clock TS & posedge driven */ | |
98 | udelay(100); | |
99 | } | |
1da177e4 LT |
100 | |
101 | /* reset counter */ | |
102 | cx_write(MO_TS_GPCNTRL, GP_COUNT_CONTROL_RESET); | |
103 | q->count = 1; | |
104 | ||
105 | /* enable irqs */ | |
b45009b0 | 106 | dprintk( 0, "setting the interrupt mask\n" ); |
1da177e4 | 107 | cx_set(MO_PCI_INTMSK, core->pci_irqmask | 0x04); |
b45009b0 MCC |
108 | cx_set(MO_TS_INTMSK, 0x1f0011); |
109 | //cx_write(MO_TS_INTMSK, 0x0f0011); | |
1da177e4 LT |
110 | |
111 | /* start dma */ | |
b45009b0 MCC |
112 | cx_set(MO_DEV_CNTRL2, (1<<5)); |
113 | cx_set(MO_TS_DMACNTRL, 0x11); | |
1da177e4 LT |
114 | return 0; |
115 | } | |
116 | ||
117 | static int cx8802_stop_dma(struct cx8802_dev *dev) | |
118 | { | |
119 | struct cx88_core *core = dev->core; | |
b45009b0 | 120 | dprintk( 0, "cx8802_stop_dma\n" ); |
1da177e4 LT |
121 | |
122 | /* stop dma */ | |
123 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
124 | ||
125 | /* disable irqs */ | |
126 | cx_clear(MO_PCI_INTMSK, 0x000004); | |
127 | cx_clear(MO_TS_INTMSK, 0x1f0011); | |
128 | ||
129 | /* Reset the controller */ | |
130 | cx_write(TS_GEN_CNTRL, 0xcd); | |
131 | return 0; | |
132 | } | |
133 | ||
134 | static int cx8802_restart_queue(struct cx8802_dev *dev, | |
135 | struct cx88_dmaqueue *q) | |
136 | { | |
137 | struct cx88_buffer *buf; | |
138 | struct list_head *item; | |
139 | ||
b45009b0 | 140 | dprintk( 0, "cx8802_restart_queue\n" ); |
1da177e4 | 141 | if (list_empty(&q->active)) |
b45009b0 MCC |
142 | { |
143 | dprintk( 0, "cx8802_restart_queue: queue is empty\n" ); | |
1da177e4 | 144 | return 0; |
b45009b0 | 145 | } |
1da177e4 LT |
146 | |
147 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
148 | dprintk(2,"restart_queue [%p/%d]: restart dma\n", | |
149 | buf, buf->vb.i); | |
150 | cx8802_start_dma(dev, q, buf); | |
151 | list_for_each(item,&q->active) { | |
152 | buf = list_entry(item, struct cx88_buffer, vb.queue); | |
153 | buf->count = q->count++; | |
154 | } | |
155 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
156 | return 0; | |
157 | } | |
158 | ||
159 | /* ------------------------------------------------------------------ */ | |
160 | ||
161 | int cx8802_buf_prepare(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
162 | { | |
163 | int size = dev->ts_packet_size * dev->ts_packet_count; | |
164 | int rc; | |
165 | ||
166 | dprintk(1, "%s: %p\n", __FUNCTION__, buf); | |
167 | if (0 != buf->vb.baddr && buf->vb.bsize < size) | |
168 | return -EINVAL; | |
169 | ||
170 | if (STATE_NEEDS_INIT == buf->vb.state) { | |
171 | buf->vb.width = dev->ts_packet_size; | |
172 | buf->vb.height = dev->ts_packet_count; | |
173 | buf->vb.size = size; | |
174 | buf->vb.field = V4L2_FIELD_TOP; | |
175 | ||
176 | if (0 != (rc = videobuf_iolock(dev->pci,&buf->vb,NULL))) | |
177 | goto fail; | |
178 | cx88_risc_databuffer(dev->pci, &buf->risc, | |
179 | buf->vb.dma.sglist, | |
180 | buf->vb.width, buf->vb.height); | |
181 | } | |
182 | buf->vb.state = STATE_PREPARED; | |
183 | return 0; | |
184 | ||
185 | fail: | |
186 | cx88_free_buffer(dev->pci,buf); | |
187 | return rc; | |
188 | } | |
189 | ||
190 | void cx8802_buf_queue(struct cx8802_dev *dev, struct cx88_buffer *buf) | |
191 | { | |
192 | struct cx88_buffer *prev; | |
193 | struct cx88_dmaqueue *q = &dev->mpegq; | |
194 | ||
b45009b0 | 195 | dprintk( 1, "cx8802_buf_queue\n" ); |
1da177e4 LT |
196 | /* add jump to stopper */ |
197 | buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC); | |
198 | buf->risc.jmp[1] = cpu_to_le32(q->stopper.dma); | |
199 | ||
200 | if (list_empty(&q->active)) { | |
b45009b0 | 201 | dprintk( 0, "queue is empty - first active\n" ); |
1da177e4 LT |
202 | list_add_tail(&buf->vb.queue,&q->active); |
203 | cx8802_start_dma(dev, q, buf); | |
204 | buf->vb.state = STATE_ACTIVE; | |
205 | buf->count = q->count++; | |
206 | mod_timer(&q->timeout, jiffies+BUFFER_TIMEOUT); | |
b45009b0 | 207 | dprintk(0,"[%p/%d] %s - first active\n", |
1da177e4 | 208 | buf, buf->vb.i, __FUNCTION__); |
b45009b0 | 209 | //udelay(100); |
1da177e4 LT |
210 | |
211 | } else { | |
b45009b0 | 212 | dprintk( 1, "queue is not empty - append to active\n" ); |
1da177e4 LT |
213 | prev = list_entry(q->active.prev, struct cx88_buffer, vb.queue); |
214 | list_add_tail(&buf->vb.queue,&q->active); | |
215 | buf->vb.state = STATE_ACTIVE; | |
216 | buf->count = q->count++; | |
217 | prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma); | |
b45009b0 | 218 | dprintk( 1, "[%p/%d] %s - append to active\n", |
1da177e4 | 219 | buf, buf->vb.i, __FUNCTION__); |
b45009b0 | 220 | //udelay(100); |
1da177e4 LT |
221 | } |
222 | } | |
223 | ||
224 | /* ----------------------------------------------------------- */ | |
225 | ||
226 | static void do_cancel_buffers(struct cx8802_dev *dev, char *reason, int restart) | |
227 | { | |
228 | struct cx88_dmaqueue *q = &dev->mpegq; | |
229 | struct cx88_buffer *buf; | |
230 | unsigned long flags; | |
231 | ||
232 | spin_lock_irqsave(&dev->slock,flags); | |
233 | while (!list_empty(&q->active)) { | |
234 | buf = list_entry(q->active.next, struct cx88_buffer, vb.queue); | |
235 | list_del(&buf->vb.queue); | |
236 | buf->vb.state = STATE_ERROR; | |
237 | wake_up(&buf->vb.done); | |
238 | dprintk(1,"[%p/%d] %s - dma=0x%08lx\n", | |
239 | buf, buf->vb.i, reason, (unsigned long)buf->risc.dma); | |
240 | } | |
241 | if (restart) | |
b45009b0 MCC |
242 | { |
243 | dprintk(0, "restarting queue\n" ); | |
1da177e4 | 244 | cx8802_restart_queue(dev,q); |
b45009b0 | 245 | } |
1da177e4 LT |
246 | spin_unlock_irqrestore(&dev->slock,flags); |
247 | } | |
248 | ||
249 | void cx8802_cancel_buffers(struct cx8802_dev *dev) | |
250 | { | |
251 | struct cx88_dmaqueue *q = &dev->mpegq; | |
252 | ||
b45009b0 | 253 | dprintk( 1, "cx8802_cancel_buffers" ); |
1da177e4 LT |
254 | del_timer_sync(&q->timeout); |
255 | cx8802_stop_dma(dev); | |
256 | do_cancel_buffers(dev,"cancel",0); | |
257 | } | |
258 | ||
259 | static void cx8802_timeout(unsigned long data) | |
260 | { | |
261 | struct cx8802_dev *dev = (struct cx8802_dev*)data; | |
262 | ||
b45009b0 | 263 | dprintk(0, "%s\n",__FUNCTION__); |
1da177e4 LT |
264 | |
265 | if (debug) | |
266 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
267 | cx8802_stop_dma(dev); | |
268 | do_cancel_buffers(dev,"timeout",1); | |
269 | } | |
270 | ||
41ef7c1e MCC |
271 | static char *cx88_mpeg_irqs[32] = { |
272 | "ts_risci1", NULL, NULL, NULL, | |
273 | "ts_risci2", NULL, NULL, NULL, | |
274 | "ts_oflow", NULL, NULL, NULL, | |
275 | "ts_sync", NULL, NULL, NULL, | |
276 | "opc_err", "par_err", "rip_err", "pci_abort", | |
277 | "ts_err?", | |
278 | }; | |
279 | ||
1da177e4 LT |
280 | static void cx8802_mpeg_irq(struct cx8802_dev *dev) |
281 | { | |
282 | struct cx88_core *core = dev->core; | |
283 | u32 status, mask, count; | |
284 | ||
b45009b0 | 285 | dprintk( 1, "cx8802_mpeg_irq\n" ); |
1da177e4 LT |
286 | status = cx_read(MO_TS_INTSTAT); |
287 | mask = cx_read(MO_TS_INTMSK); | |
288 | if (0 == (status & mask)) | |
289 | return; | |
290 | ||
291 | cx_write(MO_TS_INTSTAT, status); | |
41ef7c1e | 292 | |
1da177e4 LT |
293 | if (debug || (status & mask & ~0xff)) |
294 | cx88_print_irqbits(core->name, "irq mpeg ", | |
295 | cx88_mpeg_irqs, status, mask); | |
296 | ||
297 | /* risc op code error */ | |
298 | if (status & (1 << 16)) { | |
299 | printk(KERN_WARNING "%s: mpeg risc op code error\n",core->name); | |
300 | cx_clear(MO_TS_DMACNTRL, 0x11); | |
301 | cx88_sram_channel_dump(dev->core, &cx88_sram_channels[SRAM_CH28]); | |
302 | } | |
303 | ||
304 | /* risc1 y */ | |
305 | if (status & 0x01) { | |
b45009b0 | 306 | dprintk( 1, "wake up\n" ); |
1da177e4 LT |
307 | spin_lock(&dev->slock); |
308 | count = cx_read(MO_TS_GPCNT); | |
309 | cx88_wakeup(dev->core, &dev->mpegq, count); | |
310 | spin_unlock(&dev->slock); | |
311 | } | |
312 | ||
313 | /* risc2 y */ | |
314 | if (status & 0x10) { | |
315 | spin_lock(&dev->slock); | |
316 | cx8802_restart_queue(dev,&dev->mpegq); | |
317 | spin_unlock(&dev->slock); | |
318 | } | |
319 | ||
320 | /* other general errors */ | |
321 | if (status & 0x1f0100) { | |
b45009b0 | 322 | dprintk( 0, "general errors: 0x%08x\n", status & 0x1f0100 ); |
1da177e4 LT |
323 | spin_lock(&dev->slock); |
324 | cx8802_stop_dma(dev); | |
325 | cx8802_restart_queue(dev,&dev->mpegq); | |
326 | spin_unlock(&dev->slock); | |
327 | } | |
328 | } | |
329 | ||
b45009b0 MCC |
330 | #define MAX_IRQ_LOOP 10 |
331 | ||
1da177e4 LT |
332 | static irqreturn_t cx8802_irq(int irq, void *dev_id, struct pt_regs *regs) |
333 | { | |
334 | struct cx8802_dev *dev = dev_id; | |
335 | struct cx88_core *core = dev->core; | |
336 | u32 status; | |
337 | int loop, handled = 0; | |
338 | ||
b45009b0 | 339 | for (loop = 0; loop < MAX_IRQ_LOOP; loop++) { |
1da177e4 LT |
340 | status = cx_read(MO_PCI_INTSTAT) & (core->pci_irqmask | 0x04); |
341 | if (0 == status) | |
342 | goto out; | |
b45009b0 MCC |
343 | dprintk( 1, "cx8802_irq\n" ); |
344 | dprintk( 1, " loop: %d/%d\n", loop, MAX_IRQ_LOOP ); | |
345 | dprintk( 1, " status: %d\n", status ); | |
1da177e4 LT |
346 | handled = 1; |
347 | cx_write(MO_PCI_INTSTAT, status); | |
348 | ||
349 | if (status & core->pci_irqmask) | |
350 | cx88_core_irq(core,status); | |
351 | if (status & 0x04) | |
352 | cx8802_mpeg_irq(dev); | |
353 | }; | |
b45009b0 MCC |
354 | if (MAX_IRQ_LOOP == loop) { |
355 | dprintk( 0, "clearing mask\n" ); | |
1da177e4 LT |
356 | printk(KERN_WARNING "%s/0: irq loop -- clearing mask\n", |
357 | core->name); | |
358 | cx_write(MO_PCI_INTMSK,0); | |
359 | } | |
360 | ||
361 | out: | |
362 | return IRQ_RETVAL(handled); | |
363 | } | |
364 | ||
365 | /* ----------------------------------------------------------- */ | |
366 | /* exported stuff */ | |
367 | ||
368 | int cx8802_init_common(struct cx8802_dev *dev) | |
369 | { | |
370 | struct cx88_core *core = dev->core; | |
371 | int err; | |
372 | ||
373 | /* pci init */ | |
374 | if (pci_enable_device(dev->pci)) | |
375 | return -EIO; | |
376 | pci_set_master(dev->pci); | |
377 | if (!pci_dma_supported(dev->pci,0xffffffff)) { | |
378 | printk("%s/2: Oops: no 32bit PCI DMA ???\n",dev->core->name); | |
379 | return -EIO; | |
380 | } | |
381 | ||
382 | pci_read_config_byte(dev->pci, PCI_CLASS_REVISION, &dev->pci_rev); | |
383 | pci_read_config_byte(dev->pci, PCI_LATENCY_TIMER, &dev->pci_lat); | |
384 | printk(KERN_INFO "%s/2: found at %s, rev: %d, irq: %d, " | |
385 | "latency: %d, mmio: 0x%lx\n", dev->core->name, | |
386 | pci_name(dev->pci), dev->pci_rev, dev->pci->irq, | |
387 | dev->pci_lat,pci_resource_start(dev->pci,0)); | |
388 | ||
389 | /* initialize driver struct */ | |
390 | init_MUTEX(&dev->lock); | |
391 | spin_lock_init(&dev->slock); | |
392 | ||
393 | /* init dma queue */ | |
394 | INIT_LIST_HEAD(&dev->mpegq.active); | |
395 | INIT_LIST_HEAD(&dev->mpegq.queued); | |
396 | dev->mpegq.timeout.function = cx8802_timeout; | |
397 | dev->mpegq.timeout.data = (unsigned long)dev; | |
398 | init_timer(&dev->mpegq.timeout); | |
399 | cx88_risc_stopper(dev->pci,&dev->mpegq.stopper, | |
400 | MO_TS_DMACNTRL,0x11,0x00); | |
401 | ||
402 | /* get irq */ | |
403 | err = request_irq(dev->pci->irq, cx8802_irq, | |
404 | SA_SHIRQ | SA_INTERRUPT, dev->core->name, dev); | |
405 | if (err < 0) { | |
406 | printk(KERN_ERR "%s: can't get IRQ %d\n", | |
407 | dev->core->name, dev->pci->irq); | |
408 | return err; | |
409 | } | |
410 | cx_set(MO_PCI_INTMSK, core->pci_irqmask); | |
411 | ||
412 | /* everything worked */ | |
413 | pci_set_drvdata(dev->pci,dev); | |
414 | return 0; | |
415 | } | |
416 | ||
417 | void cx8802_fini_common(struct cx8802_dev *dev) | |
418 | { | |
b45009b0 | 419 | dprintk( 2, "cx8802_fini_common\n" ); |
1da177e4 LT |
420 | cx8802_stop_dma(dev); |
421 | pci_disable_device(dev->pci); | |
422 | ||
423 | /* unregister stuff */ | |
424 | free_irq(dev->pci->irq, dev); | |
425 | pci_set_drvdata(dev->pci, NULL); | |
426 | ||
427 | /* free memory */ | |
428 | btcx_riscmem_free(dev->pci,&dev->mpegq.stopper); | |
429 | } | |
430 | ||
431 | /* ----------------------------------------------------------- */ | |
432 | ||
433 | int cx8802_suspend_common(struct pci_dev *pci_dev, pm_message_t state) | |
434 | { | |
435 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); | |
436 | struct cx88_core *core = dev->core; | |
437 | ||
438 | /* stop mpeg dma */ | |
439 | spin_lock(&dev->slock); | |
440 | if (!list_empty(&dev->mpegq.active)) { | |
b45009b0 | 441 | dprintk( 2, "suspend\n" ); |
1da177e4 LT |
442 | printk("%s: suspend mpeg\n", core->name); |
443 | cx8802_stop_dma(dev); | |
444 | del_timer(&dev->mpegq.timeout); | |
445 | } | |
446 | spin_unlock(&dev->slock); | |
447 | ||
1da177e4 LT |
448 | /* FIXME -- shutdown device */ |
449 | cx88_shutdown(dev->core); | |
1da177e4 LT |
450 | |
451 | pci_save_state(pci_dev); | |
452 | if (0 != pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state))) { | |
453 | pci_disable_device(pci_dev); | |
454 | dev->state.disabled = 1; | |
455 | } | |
456 | return 0; | |
457 | } | |
458 | ||
459 | int cx8802_resume_common(struct pci_dev *pci_dev) | |
460 | { | |
461 | struct cx8802_dev *dev = pci_get_drvdata(pci_dev); | |
462 | struct cx88_core *core = dev->core; | |
463 | ||
464 | if (dev->state.disabled) { | |
465 | pci_enable_device(pci_dev); | |
466 | dev->state.disabled = 0; | |
467 | } | |
468 | pci_set_power_state(pci_dev, PCI_D0); | |
469 | pci_restore_state(pci_dev); | |
470 | ||
1da177e4 LT |
471 | /* FIXME: re-initialize hardware */ |
472 | cx88_reset(dev->core); | |
1da177e4 LT |
473 | |
474 | /* restart video+vbi capture */ | |
475 | spin_lock(&dev->slock); | |
476 | if (!list_empty(&dev->mpegq.active)) { | |
477 | printk("%s: resume mpeg\n", core->name); | |
478 | cx8802_restart_queue(dev,&dev->mpegq); | |
479 | } | |
480 | spin_unlock(&dev->slock); | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
485 | /* ----------------------------------------------------------- */ | |
486 | ||
487 | EXPORT_SYMBOL(cx8802_buf_prepare); | |
488 | EXPORT_SYMBOL(cx8802_buf_queue); | |
489 | EXPORT_SYMBOL(cx8802_cancel_buffers); | |
490 | ||
491 | EXPORT_SYMBOL(cx8802_init_common); | |
492 | EXPORT_SYMBOL(cx8802_fini_common); | |
493 | ||
494 | EXPORT_SYMBOL(cx8802_suspend_common); | |
495 | EXPORT_SYMBOL(cx8802_resume_common); | |
496 | ||
497 | /* ----------------------------------------------------------- */ | |
498 | /* | |
499 | * Local variables: | |
500 | * c-basic-offset: 8 | |
501 | * End: | |
b45009b0 | 502 | * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off |
1da177e4 | 503 | */ |