/drivers/media/video/cx23885/cx23885-417.c
C | 1796 lines | 1367 code | 272 blank | 157 comment | 110 complexity | d88212b834643d28cd86be992d0c92fd MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
1/*
2 *
3 * Support for a cx23417 mpeg encoder via cx23885 host port.
4 *
5 * (c) 2004 Jelle Foks <jelle@foks.us>
6 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
7 * (c) 2008 Steven Toth <stoth@linuxtv.org>
8 * - CX23885/7/8 support
9 *
10 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25 */
26
27#include <linux/module.h>
28#include <linux/moduleparam.h>
29#include <linux/init.h>
30#include <linux/fs.h>
31#include <linux/delay.h>
32#include <linux/device.h>
33#include <linux/firmware.h>
34#include <linux/slab.h>
35#include <media/v4l2-common.h>
36#include <media/v4l2-ioctl.h>
37#include <media/cx2341x.h>
38
39#include "cx23885.h"
40#include "cx23885-ioctl.h"
41
42#define CX23885_FIRM_IMAGE_SIZE 376836
43#define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
44
45static unsigned int mpegbufs = 32;
46module_param(mpegbufs, int, 0644);
47MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
48static unsigned int mpeglines = 32;
49module_param(mpeglines, int, 0644);
50MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
51static unsigned int mpeglinesize = 512;
52module_param(mpeglinesize, int, 0644);
53MODULE_PARM_DESC(mpeglinesize,
54 "number of bytes in each line of an MPEG buffer, range 512-1024");
55
56static unsigned int v4l_debug;
57module_param(v4l_debug, int, 0644);
58MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
59
60#define dprintk(level, fmt, arg...)\
61 do { if (v4l_debug >= level) \
62 printk(KERN_DEBUG "%s: " fmt, \
63 (dev) ? dev->name : "cx23885[?]", ## arg); \
64 } while (0)
65
66static struct cx23885_tvnorm cx23885_tvnorms[] = {
67 {
68 .name = "NTSC-M",
69 .id = V4L2_STD_NTSC_M,
70 }, {
71 .name = "NTSC-JP",
72 .id = V4L2_STD_NTSC_M_JP,
73 }, {
74 .name = "PAL-BG",
75 .id = V4L2_STD_PAL_BG,
76 }, {
77 .name = "PAL-DK",
78 .id = V4L2_STD_PAL_DK,
79 }, {
80 .name = "PAL-I",
81 .id = V4L2_STD_PAL_I,
82 }, {
83 .name = "PAL-M",
84 .id = V4L2_STD_PAL_M,
85 }, {
86 .name = "PAL-N",
87 .id = V4L2_STD_PAL_N,
88 }, {
89 .name = "PAL-Nc",
90 .id = V4L2_STD_PAL_Nc,
91 }, {
92 .name = "PAL-60",
93 .id = V4L2_STD_PAL_60,
94 }, {
95 .name = "SECAM-L",
96 .id = V4L2_STD_SECAM_L,
97 }, {
98 .name = "SECAM-DK",
99 .id = V4L2_STD_SECAM_DK,
100 }
101};
102
103/* ------------------------------------------------------------------ */
104enum cx23885_capture_type {
105 CX23885_MPEG_CAPTURE,
106 CX23885_RAW_CAPTURE,
107 CX23885_RAW_PASSTHRU_CAPTURE
108};
109enum cx23885_capture_bits {
110 CX23885_RAW_BITS_NONE = 0x00,
111 CX23885_RAW_BITS_YUV_CAPTURE = 0x01,
112 CX23885_RAW_BITS_PCM_CAPTURE = 0x02,
113 CX23885_RAW_BITS_VBI_CAPTURE = 0x04,
114 CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
115 CX23885_RAW_BITS_TO_HOST_CAPTURE = 0x10
116};
117enum cx23885_capture_end {
118 CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
119 CX23885_END_NOW, /* stop immediately, no irq */
120};
121enum cx23885_framerate {
122 CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
123 CX23885_FRAMERATE_PAL_25 /* PAL: 25fps */
124};
125enum cx23885_stream_port {
126 CX23885_OUTPUT_PORT_MEMORY,
127 CX23885_OUTPUT_PORT_STREAMING,
128 CX23885_OUTPUT_PORT_SERIAL
129};
130enum cx23885_data_xfer_status {
131 CX23885_MORE_BUFFERS_FOLLOW,
132 CX23885_LAST_BUFFER,
133};
134enum cx23885_picture_mask {
135 CX23885_PICTURE_MASK_NONE,
136 CX23885_PICTURE_MASK_I_FRAMES,
137 CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
138 CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
139};
140enum cx23885_vbi_mode_bits {
141 CX23885_VBI_BITS_SLICED,
142 CX23885_VBI_BITS_RAW,
143};
144enum cx23885_vbi_insertion_bits {
145 CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
146 CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
147 CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
148 CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
149 CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
150};
151enum cx23885_dma_unit {
152 CX23885_DMA_BYTES,
153 CX23885_DMA_FRAMES,
154};
155enum cx23885_dma_transfer_status_bits {
156 CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
157 CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
158 CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
159};
160enum cx23885_pause {
161 CX23885_PAUSE_ENCODING,
162 CX23885_RESUME_ENCODING,
163};
164enum cx23885_copyright {
165 CX23885_COPYRIGHT_OFF,
166 CX23885_COPYRIGHT_ON,
167};
168enum cx23885_notification_type {
169 CX23885_NOTIFICATION_REFRESH,
170};
171enum cx23885_notification_status {
172 CX23885_NOTIFICATION_OFF,
173 CX23885_NOTIFICATION_ON,
174};
175enum cx23885_notification_mailbox {
176 CX23885_NOTIFICATION_NO_MAILBOX = -1,
177};
178enum cx23885_field1_lines {
179 CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
180 CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
181 CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
182};
183enum cx23885_field2_lines {
184 CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
185 CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
186 CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
187};
188enum cx23885_custom_data_type {
189 CX23885_CUSTOM_EXTENSION_USR_DATA,
190 CX23885_CUSTOM_PRIVATE_PACKET,
191};
192enum cx23885_mute {
193 CX23885_UNMUTE,
194 CX23885_MUTE,
195};
196enum cx23885_mute_video_mask {
197 CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
198 CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
199 CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
200};
201enum cx23885_mute_video_shift {
202 CX23885_MUTE_VIDEO_V_SHIFT = 8,
203 CX23885_MUTE_VIDEO_U_SHIFT = 16,
204 CX23885_MUTE_VIDEO_Y_SHIFT = 24,
205};
206
207/* defines below are from ivtv-driver.h */
208#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
209
210/* Firmware API commands */
211#define IVTV_API_STD_TIMEOUT 500
212
213/* Registers */
214/* IVTV_REG_OFFSET */
215#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
216#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
217#define IVTV_REG_SPU (0x9050)
218#define IVTV_REG_HW_BLOCKS (0x9054)
219#define IVTV_REG_VPU (0x9058)
220#define IVTV_REG_APU (0xA064)
221
222/**** Bit definitions for MC417_RWD and MC417_OEN registers ***
223 bits 31-16
224+-----------+
225| Reserved |
226+-----------+
227 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
228+-------+-------+-------+-------+-------+-------+-------+-------+
229| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
230+-------+-------+-------+-------+-------+-------+-------+-------+
231 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
232+-------+-------+-------+-------+-------+-------+-------+-------+
233|MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
234+-------+-------+-------+-------+-------+-------+-------+-------+
235***/
236#define MC417_MIWR 0x8000
237#define MC417_MIRD 0x4000
238#define MC417_MICS 0x2000
239#define MC417_MIRDY 0x1000
240#define MC417_MIADDR 0x0F00
241#define MC417_MIDATA 0x00FF
242
243/* MIADDR* nibble definitions */
244#define MCI_MEMORY_DATA_BYTE0 0x000
245#define MCI_MEMORY_DATA_BYTE1 0x100
246#define MCI_MEMORY_DATA_BYTE2 0x200
247#define MCI_MEMORY_DATA_BYTE3 0x300
248#define MCI_MEMORY_ADDRESS_BYTE2 0x400
249#define MCI_MEMORY_ADDRESS_BYTE1 0x500
250#define MCI_MEMORY_ADDRESS_BYTE0 0x600
251#define MCI_REGISTER_DATA_BYTE0 0x800
252#define MCI_REGISTER_DATA_BYTE1 0x900
253#define MCI_REGISTER_DATA_BYTE2 0xA00
254#define MCI_REGISTER_DATA_BYTE3 0xB00
255#define MCI_REGISTER_ADDRESS_BYTE0 0xC00
256#define MCI_REGISTER_ADDRESS_BYTE1 0xD00
257#define MCI_REGISTER_MODE 0xE00
258
259/* Read and write modes */
260#define MCI_MODE_REGISTER_READ 0
261#define MCI_MODE_REGISTER_WRITE 1
262#define MCI_MODE_MEMORY_READ 0
263#define MCI_MODE_MEMORY_WRITE 0x40
264
265/*** Bit definitions for MC417_CTL register ****
266 bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0
267+--------+-------------+--------+--------------+------------+
268|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
269+--------+-------------+--------+--------------+------------+
270***/
271#define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030)
272#define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006)
273#define MC417_UART_GPIO_EN 0x00000001
274
275/* Values for speed control */
276#define MC417_SPD_CTL_SLOW 0x1
277#define MC417_SPD_CTL_MEDIUM 0x0
278#define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */
279
280/* Values for GPIO select */
281#define MC417_GPIO_SEL_GPIO3 0x3
282#define MC417_GPIO_SEL_GPIO2 0x2
283#define MC417_GPIO_SEL_GPIO1 0x1
284#define MC417_GPIO_SEL_GPIO0 0x0
285
286void cx23885_mc417_init(struct cx23885_dev *dev)
287{
288 u32 regval;
289
290 dprintk(2, "%s()\n", __func__);
291
292 /* Configure MC417_CTL register to defaults. */
293 regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST) |
294 MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3) |
295 MC417_UART_GPIO_EN;
296 cx_write(MC417_CTL, regval);
297
298 /* Configure MC417_OEN to defaults. */
299 regval = MC417_MIRDY;
300 cx_write(MC417_OEN, regval);
301
302 /* Configure MC417_RWD to defaults. */
303 regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
304 cx_write(MC417_RWD, regval);
305}
306
307static int mc417_wait_ready(struct cx23885_dev *dev)
308{
309 u32 mi_ready;
310 unsigned long timeout = jiffies + msecs_to_jiffies(1);
311
312 for (;;) {
313 mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
314 if (mi_ready != 0)
315 return 0;
316 if (time_after(jiffies, timeout))
317 return -1;
318 udelay(1);
319 }
320}
321
322int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
323{
324 u32 regval;
325
326 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
327 * which is an input.
328 */
329 cx_write(MC417_OEN, MC417_MIRDY);
330
331 /* Write data byte 0 */
332 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
333 (value & 0x000000FF);
334 cx_write(MC417_RWD, regval);
335
336 /* Transition CS/WR to effect write transaction across bus. */
337 regval |= MC417_MICS | MC417_MIWR;
338 cx_write(MC417_RWD, regval);
339
340 /* Write data byte 1 */
341 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
342 ((value >> 8) & 0x000000FF);
343 cx_write(MC417_RWD, regval);
344 regval |= MC417_MICS | MC417_MIWR;
345 cx_write(MC417_RWD, regval);
346
347 /* Write data byte 2 */
348 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
349 ((value >> 16) & 0x000000FF);
350 cx_write(MC417_RWD, regval);
351 regval |= MC417_MICS | MC417_MIWR;
352 cx_write(MC417_RWD, regval);
353
354 /* Write data byte 3 */
355 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
356 ((value >> 24) & 0x000000FF);
357 cx_write(MC417_RWD, regval);
358 regval |= MC417_MICS | MC417_MIWR;
359 cx_write(MC417_RWD, regval);
360
361 /* Write address byte 0 */
362 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
363 (address & 0xFF);
364 cx_write(MC417_RWD, regval);
365 regval |= MC417_MICS | MC417_MIWR;
366 cx_write(MC417_RWD, regval);
367
368 /* Write address byte 1 */
369 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
370 ((address >> 8) & 0xFF);
371 cx_write(MC417_RWD, regval);
372 regval |= MC417_MICS | MC417_MIWR;
373 cx_write(MC417_RWD, regval);
374
375 /* Indicate that this is a write. */
376 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
377 MCI_MODE_REGISTER_WRITE;
378 cx_write(MC417_RWD, regval);
379 regval |= MC417_MICS | MC417_MIWR;
380 cx_write(MC417_RWD, regval);
381
382 /* Wait for the trans to complete (MC417_MIRDY asserted). */
383 return mc417_wait_ready(dev);
384}
385
386int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
387{
388 int retval;
389 u32 regval;
390 u32 tempval;
391 u32 dataval;
392
393 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
394 * which is an input.
395 */
396 cx_write(MC417_OEN, MC417_MIRDY);
397
398 /* Write address byte 0 */
399 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
400 ((address & 0x00FF));
401 cx_write(MC417_RWD, regval);
402 regval |= MC417_MICS | MC417_MIWR;
403 cx_write(MC417_RWD, regval);
404
405 /* Write address byte 1 */
406 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
407 ((address >> 8) & 0xFF);
408 cx_write(MC417_RWD, regval);
409 regval |= MC417_MICS | MC417_MIWR;
410 cx_write(MC417_RWD, regval);
411
412 /* Indicate that this is a register read. */
413 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
414 MCI_MODE_REGISTER_READ;
415 cx_write(MC417_RWD, regval);
416 regval |= MC417_MICS | MC417_MIWR;
417 cx_write(MC417_RWD, regval);
418
419 /* Wait for the trans to complete (MC417_MIRDY asserted). */
420 retval = mc417_wait_ready(dev);
421
422 /* switch the DAT0-7 GPIO[10:3] to input mode */
423 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
424
425 /* Read data byte 0 */
426 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
427 cx_write(MC417_RWD, regval);
428
429 /* Transition RD to effect read transaction across bus.
430 * Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
431 * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
432 * input only...)
433 */
434 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
435 cx_write(MC417_RWD, regval);
436
437 /* Collect byte */
438 tempval = cx_read(MC417_RWD);
439 dataval = tempval & 0x000000FF;
440
441 /* Bring CS and RD high. */
442 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
443 cx_write(MC417_RWD, regval);
444
445 /* Read data byte 1 */
446 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
447 cx_write(MC417_RWD, regval);
448 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
449 cx_write(MC417_RWD, regval);
450 tempval = cx_read(MC417_RWD);
451 dataval |= ((tempval & 0x000000FF) << 8);
452 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
453 cx_write(MC417_RWD, regval);
454
455 /* Read data byte 2 */
456 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
457 cx_write(MC417_RWD, regval);
458 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
459 cx_write(MC417_RWD, regval);
460 tempval = cx_read(MC417_RWD);
461 dataval |= ((tempval & 0x000000FF) << 16);
462 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
463 cx_write(MC417_RWD, regval);
464
465 /* Read data byte 3 */
466 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
467 cx_write(MC417_RWD, regval);
468 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
469 cx_write(MC417_RWD, regval);
470 tempval = cx_read(MC417_RWD);
471 dataval |= ((tempval & 0x000000FF) << 24);
472 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
473 cx_write(MC417_RWD, regval);
474
475 *value = dataval;
476
477 return retval;
478}
479
480int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
481{
482 u32 regval;
483
484 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
485 * which is an input.
486 */
487 cx_write(MC417_OEN, MC417_MIRDY);
488
489 /* Write data byte 0 */
490 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
491 (value & 0x000000FF);
492 cx_write(MC417_RWD, regval);
493
494 /* Transition CS/WR to effect write transaction across bus. */
495 regval |= MC417_MICS | MC417_MIWR;
496 cx_write(MC417_RWD, regval);
497
498 /* Write data byte 1 */
499 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
500 ((value >> 8) & 0x000000FF);
501 cx_write(MC417_RWD, regval);
502 regval |= MC417_MICS | MC417_MIWR;
503 cx_write(MC417_RWD, regval);
504
505 /* Write data byte 2 */
506 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
507 ((value >> 16) & 0x000000FF);
508 cx_write(MC417_RWD, regval);
509 regval |= MC417_MICS | MC417_MIWR;
510 cx_write(MC417_RWD, regval);
511
512 /* Write data byte 3 */
513 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
514 ((value >> 24) & 0x000000FF);
515 cx_write(MC417_RWD, regval);
516 regval |= MC417_MICS | MC417_MIWR;
517 cx_write(MC417_RWD, regval);
518
519 /* Write address byte 2 */
520 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
521 MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
522 cx_write(MC417_RWD, regval);
523 regval |= MC417_MICS | MC417_MIWR;
524 cx_write(MC417_RWD, regval);
525
526 /* Write address byte 1 */
527 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
528 ((address >> 8) & 0xFF);
529 cx_write(MC417_RWD, regval);
530 regval |= MC417_MICS | MC417_MIWR;
531 cx_write(MC417_RWD, regval);
532
533 /* Write address byte 0 */
534 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
535 (address & 0xFF);
536 cx_write(MC417_RWD, regval);
537 regval |= MC417_MICS | MC417_MIWR;
538 cx_write(MC417_RWD, regval);
539
540 /* Wait for the trans to complete (MC417_MIRDY asserted). */
541 return mc417_wait_ready(dev);
542}
543
544int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
545{
546 int retval;
547 u32 regval;
548 u32 tempval;
549 u32 dataval;
550
551 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
552 * which is an input.
553 */
554 cx_write(MC417_OEN, MC417_MIRDY);
555
556 /* Write address byte 2 */
557 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
558 MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
559 cx_write(MC417_RWD, regval);
560 regval |= MC417_MICS | MC417_MIWR;
561 cx_write(MC417_RWD, regval);
562
563 /* Write address byte 1 */
564 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
565 ((address >> 8) & 0xFF);
566 cx_write(MC417_RWD, regval);
567 regval |= MC417_MICS | MC417_MIWR;
568 cx_write(MC417_RWD, regval);
569
570 /* Write address byte 0 */
571 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
572 (address & 0xFF);
573 cx_write(MC417_RWD, regval);
574 regval |= MC417_MICS | MC417_MIWR;
575 cx_write(MC417_RWD, regval);
576
577 /* Wait for the trans to complete (MC417_MIRDY asserted). */
578 retval = mc417_wait_ready(dev);
579
580 /* switch the DAT0-7 GPIO[10:3] to input mode */
581 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
582
583 /* Read data byte 3 */
584 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
585 cx_write(MC417_RWD, regval);
586
587 /* Transition RD to effect read transaction across bus. */
588 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
589 cx_write(MC417_RWD, regval);
590
591 /* Collect byte */
592 tempval = cx_read(MC417_RWD);
593 dataval = ((tempval & 0x000000FF) << 24);
594
595 /* Bring CS and RD high. */
596 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
597 cx_write(MC417_RWD, regval);
598
599 /* Read data byte 2 */
600 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
601 cx_write(MC417_RWD, regval);
602 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
603 cx_write(MC417_RWD, regval);
604 tempval = cx_read(MC417_RWD);
605 dataval |= ((tempval & 0x000000FF) << 16);
606 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
607 cx_write(MC417_RWD, regval);
608
609 /* Read data byte 1 */
610 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
611 cx_write(MC417_RWD, regval);
612 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
613 cx_write(MC417_RWD, regval);
614 tempval = cx_read(MC417_RWD);
615 dataval |= ((tempval & 0x000000FF) << 8);
616 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
617 cx_write(MC417_RWD, regval);
618
619 /* Read data byte 0 */
620 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
621 cx_write(MC417_RWD, regval);
622 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
623 cx_write(MC417_RWD, regval);
624 tempval = cx_read(MC417_RWD);
625 dataval |= (tempval & 0x000000FF);
626 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
627 cx_write(MC417_RWD, regval);
628
629 *value = dataval;
630
631 return retval;
632}
633
634void mc417_gpio_set(struct cx23885_dev *dev, u32 mask)
635{
636 u32 val;
637
638 /* Set the gpio value */
639 mc417_register_read(dev, 0x900C, &val);
640 val |= (mask & 0x000ffff);
641 mc417_register_write(dev, 0x900C, val);
642}
643
644void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask)
645{
646 u32 val;
647
648 /* Clear the gpio value */
649 mc417_register_read(dev, 0x900C, &val);
650 val &= ~(mask & 0x0000ffff);
651 mc417_register_write(dev, 0x900C, val);
652}
653
654void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
655{
656 u32 val;
657
658 /* Enable GPIO direction bits */
659 mc417_register_read(dev, 0x9020, &val);
660 if (asoutput)
661 val |= (mask & 0x0000ffff);
662 else
663 val &= ~(mask & 0x0000ffff);
664
665 mc417_register_write(dev, 0x9020, val);
666}
667/* ------------------------------------------------------------------ */
668
669/* MPEG encoder API */
670static char *cmd_to_str(int cmd)
671{
672 switch (cmd) {
673 case CX2341X_ENC_PING_FW:
674 return "PING_FW";
675 case CX2341X_ENC_START_CAPTURE:
676 return "START_CAPTURE";
677 case CX2341X_ENC_STOP_CAPTURE:
678 return "STOP_CAPTURE";
679 case CX2341X_ENC_SET_AUDIO_ID:
680 return "SET_AUDIO_ID";
681 case CX2341X_ENC_SET_VIDEO_ID:
682 return "SET_VIDEO_ID";
683 case CX2341X_ENC_SET_PCR_ID:
684 return "SET_PCR_ID";
685 case CX2341X_ENC_SET_FRAME_RATE:
686 return "SET_FRAME_RATE";
687 case CX2341X_ENC_SET_FRAME_SIZE:
688 return "SET_FRAME_SIZE";
689 case CX2341X_ENC_SET_BIT_RATE:
690 return "SET_BIT_RATE";
691 case CX2341X_ENC_SET_GOP_PROPERTIES:
692 return "SET_GOP_PROPERTIES";
693 case CX2341X_ENC_SET_ASPECT_RATIO:
694 return "SET_ASPECT_RATIO";
695 case CX2341X_ENC_SET_DNR_FILTER_MODE:
696 return "SET_DNR_FILTER_MODE";
697 case CX2341X_ENC_SET_DNR_FILTER_PROPS:
698 return "SET_DNR_FILTER_PROPS";
699 case CX2341X_ENC_SET_CORING_LEVELS:
700 return "SET_CORING_LEVELS";
701 case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
702 return "SET_SPATIAL_FILTER_TYPE";
703 case CX2341X_ENC_SET_VBI_LINE:
704 return "SET_VBI_LINE";
705 case CX2341X_ENC_SET_STREAM_TYPE:
706 return "SET_STREAM_TYPE";
707 case CX2341X_ENC_SET_OUTPUT_PORT:
708 return "SET_OUTPUT_PORT";
709 case CX2341X_ENC_SET_AUDIO_PROPERTIES:
710 return "SET_AUDIO_PROPERTIES";
711 case CX2341X_ENC_HALT_FW:
712 return "HALT_FW";
713 case CX2341X_ENC_GET_VERSION:
714 return "GET_VERSION";
715 case CX2341X_ENC_SET_GOP_CLOSURE:
716 return "SET_GOP_CLOSURE";
717 case CX2341X_ENC_GET_SEQ_END:
718 return "GET_SEQ_END";
719 case CX2341X_ENC_SET_PGM_INDEX_INFO:
720 return "SET_PGM_INDEX_INFO";
721 case CX2341X_ENC_SET_VBI_CONFIG:
722 return "SET_VBI_CONFIG";
723 case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
724 return "SET_DMA_BLOCK_SIZE";
725 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
726 return "GET_PREV_DMA_INFO_MB_10";
727 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
728 return "GET_PREV_DMA_INFO_MB_9";
729 case CX2341X_ENC_SCHED_DMA_TO_HOST:
730 return "SCHED_DMA_TO_HOST";
731 case CX2341X_ENC_INITIALIZE_INPUT:
732 return "INITIALIZE_INPUT";
733 case CX2341X_ENC_SET_FRAME_DROP_RATE:
734 return "SET_FRAME_DROP_RATE";
735 case CX2341X_ENC_PAUSE_ENCODER:
736 return "PAUSE_ENCODER";
737 case CX2341X_ENC_REFRESH_INPUT:
738 return "REFRESH_INPUT";
739 case CX2341X_ENC_SET_COPYRIGHT:
740 return "SET_COPYRIGHT";
741 case CX2341X_ENC_SET_EVENT_NOTIFICATION:
742 return "SET_EVENT_NOTIFICATION";
743 case CX2341X_ENC_SET_NUM_VSYNC_LINES:
744 return "SET_NUM_VSYNC_LINES";
745 case CX2341X_ENC_SET_PLACEHOLDER:
746 return "SET_PLACEHOLDER";
747 case CX2341X_ENC_MUTE_VIDEO:
748 return "MUTE_VIDEO";
749 case CX2341X_ENC_MUTE_AUDIO:
750 return "MUTE_AUDIO";
751 case CX2341X_ENC_MISC:
752 return "MISC";
753 default:
754 return "UNKNOWN";
755 }
756}
757
758static int cx23885_mbox_func(void *priv,
759 u32 command,
760 int in,
761 int out,
762 u32 data[CX2341X_MBOX_MAX_DATA])
763{
764 struct cx23885_dev *dev = priv;
765 unsigned long timeout;
766 u32 value, flag, retval = 0;
767 int i;
768
769 dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
770 cmd_to_str(command));
771
772 /* this may not be 100% safe if we can't read any memory location
773 without side effects */
774 mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
775 if (value != 0x12345678) {
776 printk(KERN_ERR
777 "Firmware and/or mailbox pointer not initialized "
778 "or corrupted, signature = 0x%x, cmd = %s\n", value,
779 cmd_to_str(command));
780 return -1;
781 }
782
783 /* This read looks at 32 bits, but flag is only 8 bits.
784 * Seems we also bail if CMD or TIMEOUT bytes are set???
785 */
786 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
787 if (flag) {
788 printk(KERN_ERR "ERROR: Mailbox appears to be in use "
789 "(%x), cmd = %s\n", flag, cmd_to_str(command));
790 return -1;
791 }
792
793 flag |= 1; /* tell 'em we're working on it */
794 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
795
796 /* write command + args + fill remaining with zeros */
797 /* command code */
798 mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
799 mc417_memory_write(dev, dev->cx23417_mailbox + 3,
800 IVTV_API_STD_TIMEOUT); /* timeout */
801 for (i = 0; i < in; i++) {
802 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
803 dprintk(3, "API Input %d = %d\n", i, data[i]);
804 }
805 for (; i < CX2341X_MBOX_MAX_DATA; i++)
806 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
807
808 flag |= 3; /* tell 'em we're done writing */
809 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
810
811 /* wait for firmware to handle the API command */
812 timeout = jiffies + msecs_to_jiffies(10);
813 for (;;) {
814 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
815 if (0 != (flag & 4))
816 break;
817 if (time_after(jiffies, timeout)) {
818 printk(KERN_ERR "ERROR: API Mailbox timeout\n");
819 return -1;
820 }
821 udelay(10);
822 }
823
824 /* read output values */
825 for (i = 0; i < out; i++) {
826 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
827 dprintk(3, "API Output %d = %d\n", i, data[i]);
828 }
829
830 mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
831 dprintk(3, "API result = %d\n", retval);
832
833 flag = 0;
834 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
835
836 return retval;
837}
838
839/* We don't need to call the API often, so using just one
840 * mailbox will probably suffice
841 */
842static int cx23885_api_cmd(struct cx23885_dev *dev,
843 u32 command,
844 u32 inputcnt,
845 u32 outputcnt,
846 ...)
847{
848 u32 data[CX2341X_MBOX_MAX_DATA];
849 va_list vargs;
850 int i, err;
851
852 dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
853
854 va_start(vargs, outputcnt);
855 for (i = 0; i < inputcnt; i++)
856 data[i] = va_arg(vargs, int);
857
858 err = cx23885_mbox_func(dev, command, inputcnt, outputcnt, data);
859 for (i = 0; i < outputcnt; i++) {
860 int *vptr = va_arg(vargs, int *);
861 *vptr = data[i];
862 }
863 va_end(vargs);
864
865 return err;
866}
867
868static int cx23885_find_mailbox(struct cx23885_dev *dev)
869{
870 u32 signature[4] = {
871 0x12345678, 0x34567812, 0x56781234, 0x78123456
872 };
873 int signaturecnt = 0;
874 u32 value;
875 int i;
876
877 dprintk(2, "%s()\n", __func__);
878
879 for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
880 mc417_memory_read(dev, i, &value);
881 if (value == signature[signaturecnt])
882 signaturecnt++;
883 else
884 signaturecnt = 0;
885 if (4 == signaturecnt) {
886 dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
887 return i+1;
888 }
889 }
890 printk(KERN_ERR "Mailbox signature values not found!\n");
891 return -1;
892}
893
894static int cx23885_load_firmware(struct cx23885_dev *dev)
895{
896 static const unsigned char magic[8] = {
897 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
898 };
899 const struct firmware *firmware;
900 int i, retval = 0;
901 u32 value = 0;
902 u32 gpio_output = 0;
903 u32 checksum = 0;
904 u32 *dataptr;
905
906 dprintk(2, "%s()\n", __func__);
907
908 /* Save GPIO settings before reset of APU */
909 retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
910 retval |= mc417_memory_read(dev, 0x900C, &value);
911
912 retval = mc417_register_write(dev,
913 IVTV_REG_VPU, 0xFFFFFFED);
914 retval |= mc417_register_write(dev,
915 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
916 retval |= mc417_register_write(dev,
917 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
918 retval |= mc417_register_write(dev,
919 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
920 retval |= mc417_register_write(dev,
921 IVTV_REG_APU, 0);
922
923 if (retval != 0) {
924 printk(KERN_ERR "%s: Error with mc417_register_write\n",
925 __func__);
926 return -1;
927 }
928
929 retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
930 &dev->pci->dev);
931
932 if (retval != 0) {
933 printk(KERN_ERR
934 "ERROR: Hotplug firmware request failed (%s).\n",
935 CX23885_FIRM_IMAGE_NAME);
936 printk(KERN_ERR "Please fix your hotplug setup, the board will "
937 "not work without firmware loaded!\n");
938 return -1;
939 }
940
941 if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
942 printk(KERN_ERR "ERROR: Firmware size mismatch "
943 "(have %zd, expected %d)\n",
944 firmware->size, CX23885_FIRM_IMAGE_SIZE);
945 release_firmware(firmware);
946 return -1;
947 }
948
949 if (0 != memcmp(firmware->data, magic, 8)) {
950 printk(KERN_ERR
951 "ERROR: Firmware magic mismatch, wrong file?\n");
952 release_firmware(firmware);
953 return -1;
954 }
955
956 /* transfer to the chip */
957 dprintk(2, "Loading firmware ...\n");
958 dataptr = (u32 *)firmware->data;
959 for (i = 0; i < (firmware->size >> 2); i++) {
960 value = *dataptr;
961 checksum += ~value;
962 if (mc417_memory_write(dev, i, value) != 0) {
963 printk(KERN_ERR "ERROR: Loading firmware failed!\n");
964 release_firmware(firmware);
965 return -1;
966 }
967 dataptr++;
968 }
969
970 /* read back to verify with the checksum */
971 dprintk(1, "Verifying firmware ...\n");
972 for (i--; i >= 0; i--) {
973 if (mc417_memory_read(dev, i, &value) != 0) {
974 printk(KERN_ERR "ERROR: Reading firmware failed!\n");
975 release_firmware(firmware);
976 return -1;
977 }
978 checksum -= ~value;
979 }
980 if (checksum) {
981 printk(KERN_ERR
982 "ERROR: Firmware load failed (checksum mismatch).\n");
983 release_firmware(firmware);
984 return -1;
985 }
986 release_firmware(firmware);
987 dprintk(1, "Firmware upload successful.\n");
988
989 retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
990 IVTV_CMD_HW_BLOCKS_RST);
991
992 /* F/W power up disturbs the GPIOs, restore state */
993 retval |= mc417_register_write(dev, 0x9020, gpio_output);
994 retval |= mc417_register_write(dev, 0x900C, value);
995
996 retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
997 retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
998
999 if (retval < 0)
1000 printk(KERN_ERR "%s: Error with mc417_register_write\n",
1001 __func__);
1002 return 0;
1003}
1004
1005void cx23885_417_check_encoder(struct cx23885_dev *dev)
1006{
1007 u32 status, seq;
1008
1009 status = seq = 0;
1010 cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1011 dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1012}
1013
1014static void cx23885_codec_settings(struct cx23885_dev *dev)
1015{
1016 dprintk(1, "%s()\n", __func__);
1017
1018 /* assign frame size */
1019 cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1020 dev->ts1.height, dev->ts1.width);
1021
1022 dev->mpeg_params.width = dev->ts1.width;
1023 dev->mpeg_params.height = dev->ts1.height;
1024 dev->mpeg_params.is_50hz =
1025 (dev->encodernorm.id & V4L2_STD_625_50) != 0;
1026
1027 cx2341x_update(dev, cx23885_mbox_func, NULL, &dev->mpeg_params);
1028
1029 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1030 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1031}
1032
1033static int cx23885_initialize_codec(struct cx23885_dev *dev)
1034{
1035 int version;
1036 int retval;
1037 u32 i, data[7];
1038
1039 dprintk(1, "%s()\n", __func__);
1040
1041 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1042 if (retval < 0) {
1043 dprintk(2, "%s() PING OK\n", __func__);
1044 retval = cx23885_load_firmware(dev);
1045 if (retval < 0) {
1046 printk(KERN_ERR "%s() f/w load failed\n", __func__);
1047 return retval;
1048 }
1049 retval = cx23885_find_mailbox(dev);
1050 if (retval < 0) {
1051 printk(KERN_ERR "%s() mailbox < 0, error\n",
1052 __func__);
1053 return -1;
1054 }
1055 dev->cx23417_mailbox = retval;
1056 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1057 if (retval < 0) {
1058 printk(KERN_ERR
1059 "ERROR: cx23417 firmware ping failed!\n");
1060 return -1;
1061 }
1062 retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1063 &version);
1064 if (retval < 0) {
1065 printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
1066 "version failed!\n");
1067 return -1;
1068 }
1069 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1070 msleep(200);
1071 }
1072
1073 cx23885_codec_settings(dev);
1074 msleep(60);
1075
1076 cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1077 CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
1078 cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1079 CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1080 0, 0);
1081
1082 /* Setup to capture VBI */
1083 data[0] = 0x0001BD00;
1084 data[1] = 1; /* frames per interrupt */
1085 data[2] = 4; /* total bufs */
1086 data[3] = 0x91559155; /* start codes */
1087 data[4] = 0x206080C0; /* stop codes */
1088 data[5] = 6; /* lines */
1089 data[6] = 64; /* BPL */
1090
1091 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1092 data[2], data[3], data[4], data[5], data[6]);
1093
1094 for (i = 2; i <= 24; i++) {
1095 int valid;
1096
1097 valid = ((i >= 19) && (i <= 21));
1098 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1099 valid, 0 , 0, 0);
1100 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1101 i | 0x80000000, valid, 0, 0, 0);
1102 }
1103
1104 cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
1105 msleep(60);
1106
1107 /* initialize the video input */
1108 cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1109 msleep(60);
1110
1111 /* Enable VIP style pixel invalidation so we work with scaled mode */
1112 mc417_memory_write(dev, 2120, 0x00000080);
1113
1114 /* start capturing to the host interface */
1115 cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1116 CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
1117 msleep(10);
1118
1119 return 0;
1120}
1121
1122/* ------------------------------------------------------------------ */
1123
1124static int bb_buf_setup(struct videobuf_queue *q,
1125 unsigned int *count, unsigned int *size)
1126{
1127 struct cx23885_fh *fh = q->priv_data;
1128
1129 fh->dev->ts1.ts_packet_size = mpeglinesize;
1130 fh->dev->ts1.ts_packet_count = mpeglines;
1131
1132 *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1133 *count = mpegbufs;
1134
1135 return 0;
1136}
1137
1138static int bb_buf_prepare(struct videobuf_queue *q,
1139 struct videobuf_buffer *vb, enum v4l2_field field)
1140{
1141 struct cx23885_fh *fh = q->priv_data;
1142 return cx23885_buf_prepare(q, &fh->dev->ts1,
1143 (struct cx23885_buffer *)vb,
1144 field);
1145}
1146
1147static void bb_buf_queue(struct videobuf_queue *q,
1148 struct videobuf_buffer *vb)
1149{
1150 struct cx23885_fh *fh = q->priv_data;
1151 cx23885_buf_queue(&fh->dev->ts1, (struct cx23885_buffer *)vb);
1152}
1153
1154static void bb_buf_release(struct videobuf_queue *q,
1155 struct videobuf_buffer *vb)
1156{
1157 cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
1158}
1159
1160static struct videobuf_queue_ops cx23885_qops = {
1161 .buf_setup = bb_buf_setup,
1162 .buf_prepare = bb_buf_prepare,
1163 .buf_queue = bb_buf_queue,
1164 .buf_release = bb_buf_release,
1165};
1166
1167/* ------------------------------------------------------------------ */
1168
1169static const u32 *ctrl_classes[] = {
1170 cx2341x_mpeg_ctrls,
1171 NULL
1172};
1173
1174static int cx23885_queryctrl(struct cx23885_dev *dev,
1175 struct v4l2_queryctrl *qctrl)
1176{
1177 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1178 if (qctrl->id == 0)
1179 return -EINVAL;
1180
1181 /* MPEG V4L2 controls */
1182 if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl))
1183 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
1184
1185 return 0;
1186}
1187
1188static int cx23885_querymenu(struct cx23885_dev *dev,
1189 struct v4l2_querymenu *qmenu)
1190{
1191 struct v4l2_queryctrl qctrl;
1192
1193 qctrl.id = qmenu->id;
1194 cx23885_queryctrl(dev, &qctrl);
1195 return v4l2_ctrl_query_menu(qmenu, &qctrl,
1196 cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id));
1197}
1198
1199static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
1200{
1201 struct cx23885_fh *fh = file->private_data;
1202 struct cx23885_dev *dev = fh->dev;
1203 unsigned int i;
1204
1205 for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
1206 if (*id & cx23885_tvnorms[i].id)
1207 break;
1208 if (i == ARRAY_SIZE(cx23885_tvnorms))
1209 return -EINVAL;
1210 dev->encodernorm = cx23885_tvnorms[i];
1211 return 0;
1212}
1213
1214static int vidioc_enum_input(struct file *file, void *priv,
1215 struct v4l2_input *i)
1216{
1217 struct cx23885_fh *fh = file->private_data;
1218 struct cx23885_dev *dev = fh->dev;
1219 struct cx23885_input *input;
1220 int n;
1221
1222 if (i->index >= 4)
1223 return -EINVAL;
1224
1225 input = &cx23885_boards[dev->board].input[i->index];
1226
1227 if (input->type == 0)
1228 return -EINVAL;
1229
1230 /* FIXME
1231 * strcpy(i->name, input->name); */
1232 strcpy(i->name, "unset");
1233
1234 if (input->type == CX23885_VMUX_TELEVISION ||
1235 input->type == CX23885_VMUX_CABLE)
1236 i->type = V4L2_INPUT_TYPE_TUNER;
1237 else
1238 i->type = V4L2_INPUT_TYPE_CAMERA;
1239
1240 for (n = 0; n < ARRAY_SIZE(cx23885_tvnorms); n++)
1241 i->std |= cx23885_tvnorms[n].id;
1242 return 0;
1243}
1244
1245static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1246{
1247 struct cx23885_fh *fh = file->private_data;
1248 struct cx23885_dev *dev = fh->dev;
1249
1250 *i = dev->input;
1251 return 0;
1252}
1253
1254static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1255{
1256 if (i >= 4)
1257 return -EINVAL;
1258
1259 return 0;
1260}
1261
1262static int vidioc_g_tuner(struct file *file, void *priv,
1263 struct v4l2_tuner *t)
1264{
1265 struct cx23885_fh *fh = file->private_data;
1266 struct cx23885_dev *dev = fh->dev;
1267
1268 if (UNSET == dev->tuner_type)
1269 return -EINVAL;
1270 if (0 != t->index)
1271 return -EINVAL;
1272 strcpy(t->name, "Television");
1273 call_all(dev, tuner, g_tuner, t);
1274
1275 dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
1276
1277 return 0;
1278}
1279
1280static int vidioc_s_tuner(struct file *file, void *priv,
1281 struct v4l2_tuner *t)
1282{
1283 struct cx23885_fh *fh = file->private_data;
1284 struct cx23885_dev *dev = fh->dev;
1285
1286 if (UNSET == dev->tuner_type)
1287 return -EINVAL;
1288
1289 /* Update the A/V core */
1290 call_all(dev, tuner, s_tuner, t);
1291
1292 return 0;
1293}
1294
1295static int vidioc_g_frequency(struct file *file, void *priv,
1296 struct v4l2_frequency *f)
1297{
1298 struct cx23885_fh *fh = file->private_data;
1299 struct cx23885_dev *dev = fh->dev;
1300
1301 if (UNSET == dev->tuner_type)
1302 return -EINVAL;
1303 f->type = V4L2_TUNER_ANALOG_TV;
1304 f->frequency = dev->freq;
1305
1306 call_all(dev, tuner, g_frequency, f);
1307
1308 return 0;
1309}
1310
1311static int vidioc_s_frequency(struct file *file, void *priv,
1312 struct v4l2_frequency *f)
1313{
1314 struct cx23885_fh *fh = file->private_data;
1315 struct cx23885_dev *dev = fh->dev;
1316
1317 cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1318 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1319 CX23885_RAW_BITS_NONE);
1320
1321 dprintk(1, "VIDIOC_S_FREQUENCY: dev type %d, f\n",
1322 dev->tuner_type);
1323 dprintk(1, "VIDIOC_S_FREQUENCY: f tuner %d, f type %d\n",
1324 f->tuner, f->type);
1325 if (UNSET == dev->tuner_type)
1326 return -EINVAL;
1327 if (f->tuner != 0)
1328 return -EINVAL;
1329 if (f->type != V4L2_TUNER_ANALOG_TV)
1330 return -EINVAL;
1331 dev->freq = f->frequency;
1332
1333 call_all(dev, tuner, s_frequency, f);
1334
1335 cx23885_initialize_codec(dev);
1336
1337 return 0;
1338}
1339
1340static int vidioc_s_ctrl(struct file *file, void *priv,
1341 struct v4l2_control *ctl)
1342{
1343 struct cx23885_fh *fh = file->private_data;
1344 struct cx23885_dev *dev = fh->dev;
1345
1346 /* Update the A/V core */
1347 call_all(dev, core, s_ctrl, ctl);
1348 return 0;
1349}
1350
1351static int vidioc_querycap(struct file *file, void *priv,
1352 struct v4l2_capability *cap)
1353{
1354 struct cx23885_fh *fh = file->private_data;
1355 struct cx23885_dev *dev = fh->dev;
1356 struct cx23885_tsport *tsport = &dev->ts1;
1357
1358 strlcpy(cap->driver, dev->name, sizeof(cap->driver));
1359 strlcpy(cap->card, cx23885_boards[tsport->dev->board].name,
1360 sizeof(cap->card));
1361 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1362 cap->version = CX23885_VERSION_CODE;
1363 cap->capabilities =
1364 V4L2_CAP_VIDEO_CAPTURE |
1365 V4L2_CAP_READWRITE |
1366 V4L2_CAP_STREAMING |
1367 0;
1368 if (UNSET != dev->tuner_type)
1369 cap->capabilities |= V4L2_CAP_TUNER;
1370
1371 return 0;
1372}
1373
1374static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1375 struct v4l2_fmtdesc *f)
1376{
1377 if (f->index != 0)
1378 return -EINVAL;
1379
1380 strlcpy(f->description, "MPEG", sizeof(f->description));
1381 f->pixelformat = V4L2_PIX_FMT_MPEG;
1382
1383 return 0;
1384}
1385
1386static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1387 struct v4l2_format *f)
1388{
1389 struct cx23885_fh *fh = file->private_data;
1390 struct cx23885_dev *dev = fh->dev;
1391
1392 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1393 f->fmt.pix.bytesperline = 0;
1394 f->fmt.pix.sizeimage =
1395 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1396 f->fmt.pix.colorspace = 0;
1397 f->fmt.pix.width = dev->ts1.width;
1398 f->fmt.pix.height = dev->ts1.height;
1399 f->fmt.pix.field = fh->mpegq.field;
1400 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
1401 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1402 return 0;
1403}
1404
1405static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1406 struct v4l2_format *f)
1407{
1408 struct cx23885_fh *fh = file->private_data;
1409 struct cx23885_dev *dev = fh->dev;
1410
1411 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1412 f->fmt.pix.bytesperline = 0;
1413 f->fmt.pix.sizeimage =
1414 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1415 f->fmt.pix.colorspace = 0;
1416 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
1417 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1418 return 0;
1419}
1420
1421static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1422 struct v4l2_format *f)
1423{
1424 struct cx23885_fh *fh = file->private_data;
1425 struct cx23885_dev *dev = fh->dev;
1426
1427 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1428 f->fmt.pix.bytesperline = 0;
1429 f->fmt.pix.sizeimage =
1430 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1431 f->fmt.pix.colorspace = 0;
1432 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
1433 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
1434 return 0;
1435}
1436
1437static int vidioc_reqbufs(struct file *file, void *priv,
1438 struct v4l2_requestbuffers *p)
1439{
1440 struct cx23885_fh *fh = file->private_data;
1441
1442 return videobuf_reqbufs(&fh->mpegq, p);
1443}
1444
1445static int vidioc_querybuf(struct file *file, void *priv,
1446 struct v4l2_buffer *p)
1447{
1448 struct cx23885_fh *fh = file->private_data;
1449
1450 return videobuf_querybuf(&fh->mpegq, p);
1451}
1452
1453static int vidioc_qbuf(struct file *file, void *priv,
1454 struct v4l2_buffer *p)
1455{
1456 struct cx23885_fh *fh = file->private_data;
1457
1458 return videobuf_qbuf(&fh->mpegq, p);
1459}
1460
1461static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1462{
1463 struct cx23885_fh *fh = priv;
1464
1465 return videobuf_dqbuf(&fh->mpegq, b, file->f_flags & O_NONBLOCK);
1466}
1467
1468
1469static int vidioc_streamon(struct file *file, void *priv,
1470 enum v4l2_buf_type i)
1471{
1472 struct cx23885_fh *fh = file->private_data;
1473
1474 return videobuf_streamon(&fh->mpegq);
1475}
1476
1477static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1478{
1479 struct cx23885_fh *fh = file->private_data;
1480
1481 return videobuf_streamoff(&fh->mpegq);
1482}
1483
1484static int vidioc_g_ext_ctrls(struct file *file, void *priv,
1485 struct v4l2_ext_controls *f)
1486{
1487 struct cx23885_fh *fh = priv;
1488 struct cx23885_dev *dev = fh->dev;
1489
1490 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1491 return -EINVAL;
1492 return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS);
1493}
1494
1495static int vidioc_s_ext_ctrls(struct file *file, void *priv,
1496 struct v4l2_ext_controls *f)
1497{
1498 struct cx23885_fh *fh = priv;
1499 struct cx23885_dev *dev = fh->dev;
1500 struct cx2341x_mpeg_params p;
1501 int err;
1502
1503 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1504 return -EINVAL;
1505
1506 p = dev->mpeg_params;
1507 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
1508
1509 if (err == 0) {
1510 err = cx2341x_update(dev, cx23885_mbox_func,
1511 &dev->mpeg_params, &p);
1512 dev->mpeg_params = p;
1513 }
1514 return err;
1515}
1516
1517static int vidioc_try_ext_ctrls(struct file *file, void *priv,
1518 struct v4l2_ext_controls *f)
1519{
1520 struct cx23885_fh *fh = priv;
1521 struct cx23885_dev *dev = fh->dev;
1522 struct cx2341x_mpeg_params p;
1523 int err;
1524
1525 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1526 return -EINVAL;
1527
1528 p = dev->mpeg_params;
1529 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1530 return err;
1531}
1532
1533static int vidioc_log_status(struct file *file, void *priv)
1534{
1535 struct cx23885_fh *fh = priv;
1536 struct cx23885_dev *dev = fh->dev;
1537 char name[32 + 2];
1538
1539 snprintf(name, sizeof(name), "%s/2", dev->name);
1540 printk(KERN_INFO
1541 "%s/2: ============ START LOG STATUS ============\n",
1542 dev->name);
1543 call_all(dev, core, log_status);
1544 cx2341x_log_status(&dev->mpeg_params, name);
1545 printk(KERN_INFO
1546 "%s/2: ============= END LOG STATUS =============\n",
1547 dev->name);
1548 return 0;
1549}
1550
1551static int vidioc_querymenu(struct file *file, void *priv,
1552 struct v4l2_querymenu *a)
1553{
1554 struct cx23885_fh *fh = priv;
1555 struct cx23885_dev *dev = fh->dev;
1556
1557 return cx23885_querymenu(dev, a);
1558}
1559
1560static int vidioc_queryctrl(struct file *file, void *priv,
1561 struct v4l2_queryctrl *c)
1562{
1563 struct cx23885_fh *fh = priv;
1564 struct cx23885_dev *dev = fh->dev;
1565
1566 return cx23885_queryctrl(dev, c);
1567}
1568
1569static int mpeg_open(struct file *file)
1570{
1571 struct cx23885_dev *dev = video_drvdata(file);
1572 struct cx23885_fh *fh;
1573
1574 dprintk(2, "%s()\n", __func__);
1575
1576 /* allocate + initialize per filehandle data */
1577 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1578 if (!fh)
1579 return -ENOMEM;
1580
1581 file->private_data = fh;
1582 fh->dev = dev;
1583
1584 videobuf_queue_sg_init(&fh->mpegq, &cx23885_qops,
1585 &dev->pci->dev, &dev->ts1.slock,
1586 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1587 V4L2_FIELD_INTERLACED,
1588 sizeof(struct cx23885_buffer),
1589 fh, NULL);
1590 return 0;
1591}
1592
1593static int mpeg_release(struct file *file)
1594{
1595 struct cx23885_fh *fh = file->private_data;
1596 struct cx23885_dev *dev = fh->dev;
1597
1598 dprintk(2, "%s()\n", __func__);
1599
1600 /* FIXME: Review this crap */
1601 /* Shut device down on last close */
1602 if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1603 if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1604 /* stop mpeg capture */
1605 cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1606 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1607 CX23885_RAW_BITS_NONE);
1608
1609 msleep(500);
1610 cx23885_417_check_encoder(dev);
1611
1612 cx23885_cancel_buffers(&fh->dev->ts1);
1613 }
1614 }
1615
1616 if (fh->mpegq.streaming)
1617 videobuf_streamoff(&fh->mpegq);
1618 if (fh->mpegq.reading)
1619 videobuf_read_stop(&fh->mpegq);
1620
1621 videobuf_mmap_free(&fh->mpegq);
1622 file->private_data = NULL;
1623 kfree(fh);
1624
1625 return 0;
1626}
1627
1628static ssize_t mpeg_read(struct file *file, char __user *data,
1629 size_t count, loff_t *ppos)
1630{
1631 struct cx23885_fh *fh = file->private_data;
1632 struct cx23885_dev *dev = fh->dev;
1633
1634 dprintk(2, "%s()\n", __func__);
1635
1636 /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1637 /* Start mpeg encoder on first read. */
1638 if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1639 if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1640 if (cx23885_initialize_codec(dev) < 0)
1641 return -EINVAL;
1642 }
1643 }
1644
1645 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1646 file->f_flags & O_NONBLOCK);
1647}
1648
1649static unsigned int mpeg_poll(struct file *file,
1650 struct poll_table_struct *wait)
1651{
1652 struct cx23885_fh *fh = file->private_data;
1653 struct cx23885_dev *dev = fh->dev;
1654
1655 dprintk(2, "%s\n", __func__);
1656
1657 return videobuf_poll_stream(file, &fh->mpegq, wait);
1658}
1659
1660static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1661{
1662 struct cx23885_fh *fh = file->private_data;
1663 struct cx23885_dev *dev = fh->dev;
1664
1665 dprintk(2, "%s()\n", __func__);
1666
1667 return videobuf_mmap_mapper(&fh->mpegq, vma);
1668}
1669
1670static struct v4l2_file_operations mpeg_fops = {
1671 .owner = THIS_MODULE,
1672 .open = mpeg_open,
1673 .release = mpeg_release,
1674 .read = mpeg_read,
1675 .poll = mpeg_poll,
1676 .mmap = mpeg_mmap,
1677 .ioctl = video_ioctl2,
1678};
1679
1680static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1681 .vidioc_s_std = vidioc_s_std,
1682 .vidioc_enum_input = vidioc_enum_input,
1683 .vidioc_g_input = vidioc_g_input,
1684 .vidioc_s_input = vidioc_s_input,
1685 .vidioc_g_tuner = vidioc_g_tuner,
1686 .vidioc_s_tuner = vidioc_s_tuner,
1687 .vidioc_g_frequency = vidioc_g_frequency,
1688 .vidioc_s_frequency = vidioc_s_frequency,
1689 .vidioc_s_ctrl = vidioc_s_ctrl,
1690 .vidioc_querycap = vidioc_querycap,
1691 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1692 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1693 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1694 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1695 .vidioc_reqbufs = vidioc_reqbufs,
1696 .vidioc_querybuf = vidioc_querybuf,
1697 .vidioc_qbuf = vidioc_qbuf,
1698 .vidioc_dqbuf = vidioc_dqbuf,
1699 .vidioc_streamon = vidioc_streamon,
1700 .vidioc_streamoff = vidioc_streamoff,
1701 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1702 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1703 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1704 .vidioc_log_status = vidioc_log_status,
1705 .vidioc_querymenu = vidioc_querymenu,
1706 .vidioc_queryctrl = vidioc_queryctrl,
1707 .vidioc_g_chip_ident = cx23885_g_chip_ident,
1708#ifdef CONFIG_VIDEO_ADV_DEBUG
1709 .vidioc_g_register = cx23885_g_register,
1710 .vidioc_s_register = cx23885_s_register,
1711#endif
1712};
1713
1714static struct video_device cx23885_mpeg_template = {
1715 .name = "cx23885",
1716 .fops = &mpeg_fops,
1717 .ioctl_ops = &mpeg_ioctl_ops,
1718 .tvnorms = CX23885_NORMS,
1719 .current_norm = V4L2_STD_NTSC_M,
1720};
1721
1722void cx23885_417_unregister(struct cx23885_dev *dev)
1723{
1724 dprintk(1, "%s()\n", __func__);
1725
1726 if (dev->v4l_device) {
1727 if (video_is_registered(dev->v4l_device))
1728 video_unregister_device(dev->v4l_device);
1729 else
1730 video_device_release(dev->v4l_device);
1731 dev->v4l_device = NULL;
1732 }
1733}
1734
1735static struct video_device *cx23885_video_dev_alloc(
1736 struct cx23885_tsport *tsport,
1737 struct pci_dev *pci,
1738 struct video_device *template,
1739 char *type)
1740{
1741 struct video_device *vfd;
1742 struct cx23885_dev *dev = tsport->dev;
1743
1744 dprintk(1, "%s()\n", __func__);
1745
1746 vfd = video_device_alloc();
1747 if (NULL == vfd)
1748 return NULL;
1749 *vfd = *template;
1750 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1751 type, cx23885_boards[tsport->dev->board].name);
1752 vfd->parent = &pci->dev;
1753 vfd->release = video_device_release;
1754 return vfd;
1755}
1756
1757int cx23885_417_register(struct cx23885_dev *dev)
1758{
1759 /* FIXME: Port1 hardcoded here */
1760 int err = -ENODEV;
1761 struct cx23885_tsport *tsport = &dev->ts1;
1762
1763 dprintk(1, "%s()\n", __func__);
1764
1765 if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
1766 return err;
1767
1768 /* Set default TV standard */
1769 dev->encodernorm = cx23885_tvnorms[0];
1770
1771 if (dev->encodernorm.id & V4L2_STD_525_60)
1772 tsport->height = 480;
1773 else
1774 tsport->height = 576;
1775
1776 tsport->width = 720;
1777 cx2341x_fill_defaults(&dev->mpeg_params);
1778
1779 dev->mpeg_params.port = CX2341X_PORT_SERIAL;
1780
1781 /* Allocate and initialize V4L video device */
1782 dev->v4l_device = cx23885_video_dev_alloc(tsport,
1783 dev->pci, &cx23885_mpeg_template, "mpeg");
1784 video_set_drvdata(dev->v4l_device, dev);
1785 err = video_register_device(dev->v4l_device,
1786 VFL_TYPE_GRABBER, -1);
1787 if (err < 0) {
1788 printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
1789 return err;
1790 }
1791
1792 printk(KERN_INFO "%s: registered device %s [mpeg]\n",
1793 dev->name, video_device_node_name(dev->v4l_device));
1794
1795 return 0;
1796}