?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
RT-AC56 3.0.0.4.374.37 core
[tomato.git] / release / src-rt-6.x.4708 / linux / linux-2.6.36 / drivers / media / video / cx23885 / cx23885-417.c
blobfc54babbd5bcb21b7703e127761097222ea0e635
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://ivtv.sourceforge.net/),
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/smp_lock.h>
35 #include <linux/slab.h>
36 #include <media/v4l2-common.h>
37 #include <media/v4l2-ioctl.h>
38 #include <media/cx2341x.h>
39
40 #include "cx23885.h"
41 #include "cx23885-ioctl.h"
42
43 #define CX23885_FIRM_IMAGE_SIZE 376836
44 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
45
46 static unsigned int mpegbufs = 32;
47 module_param(mpegbufs, int, 0644);
48 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
49 static unsigned int mpeglines = 32;
50 module_param(mpeglines, int, 0644);
51 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
52 static unsigned int mpeglinesize = 512;
53 module_param(mpeglinesize, int, 0644);
54 MODULE_PARM_DESC(mpeglinesize,
55 "number of bytes in each line of an MPEG buffer, range 512-1024");
56
57 static unsigned int v4l_debug;
58 module_param(v4l_debug, int, 0644);
59 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
60
61 #define dprintk(level, fmt, arg...)\
62 do { if (v4l_debug >= level) \
63 printk(KERN_DEBUG "%s: " fmt, \
64 (dev) ? dev->name : "cx23885[?]", ## arg); \
65 } while (0)
66
67 static struct cx23885_tvnorm cx23885_tvnorms[] = {
68 {
69 .name = "NTSC-M",
70 .id = V4L2_STD_NTSC_M,
71 }, {
72 .name = "NTSC-JP",
73 .id = V4L2_STD_NTSC_M_JP,
74 }, {
75 .name = "PAL-BG",
76 .id = V4L2_STD_PAL_BG,
77 }, {
78 .name = "PAL-DK",
79 .id = V4L2_STD_PAL_DK,
80 }, {
81 .name = "PAL-I",
82 .id = V4L2_STD_PAL_I,
83 }, {
84 .name = "PAL-M",
85 .id = V4L2_STD_PAL_M,
86 }, {
87 .name = "PAL-N",
88 .id = V4L2_STD_PAL_N,
89 }, {
90 .name = "PAL-Nc",
91 .id = V4L2_STD_PAL_Nc,
92 }, {
93 .name = "PAL-60",
94 .id = V4L2_STD_PAL_60,
95 }, {
96 .name = "SECAM-L",
97 .id = V4L2_STD_SECAM_L,
98 }, {
99 .name = "SECAM-DK",
100 .id = V4L2_STD_SECAM_DK,
101 }
102 };
103
104 /* ------------------------------------------------------------------ */
105 enum cx23885_capture_type {
106 CX23885_MPEG_CAPTURE,
107 CX23885_RAW_CAPTURE,
108 CX23885_RAW_PASSTHRU_CAPTURE
109 };
110 enum cx23885_capture_bits {
111 CX23885_RAW_BITS_NONE = 0x00,
112 CX23885_RAW_BITS_YUV_CAPTURE = 0x01,
113 CX23885_RAW_BITS_PCM_CAPTURE = 0x02,
114 CX23885_RAW_BITS_VBI_CAPTURE = 0x04,
115 CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
116 CX23885_RAW_BITS_TO_HOST_CAPTURE = 0x10
117 };
118 enum cx23885_capture_end {
119 CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
120 CX23885_END_NOW, /* stop immediately, no irq */
121 };
122 enum cx23885_framerate {
123 CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
124 CX23885_FRAMERATE_PAL_25 /* PAL: 25fps */
125 };
126 enum cx23885_stream_port {
127 CX23885_OUTPUT_PORT_MEMORY,
128 CX23885_OUTPUT_PORT_STREAMING,
129 CX23885_OUTPUT_PORT_SERIAL
130 };
131 enum cx23885_data_xfer_status {
132 CX23885_MORE_BUFFERS_FOLLOW,
133 CX23885_LAST_BUFFER,
134 };
135 enum cx23885_picture_mask {
136 CX23885_PICTURE_MASK_NONE,
137 CX23885_PICTURE_MASK_I_FRAMES,
138 CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
139 CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
140 };
141 enum cx23885_vbi_mode_bits {
142 CX23885_VBI_BITS_SLICED,
143 CX23885_VBI_BITS_RAW,
144 };
145 enum cx23885_vbi_insertion_bits {
146 CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
147 CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
148 CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
149 CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
150 CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
151 };
152 enum cx23885_dma_unit {
153 CX23885_DMA_BYTES,
154 CX23885_DMA_FRAMES,
155 };
156 enum cx23885_dma_transfer_status_bits {
157 CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
158 CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
159 CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
160 };
161 enum cx23885_pause {
162 CX23885_PAUSE_ENCODING,
163 CX23885_RESUME_ENCODING,
164 };
165 enum cx23885_copyright {
166 CX23885_COPYRIGHT_OFF,
167 CX23885_COPYRIGHT_ON,
168 };
169 enum cx23885_notification_type {
170 CX23885_NOTIFICATION_REFRESH,
171 };
172 enum cx23885_notification_status {
173 CX23885_NOTIFICATION_OFF,
174 CX23885_NOTIFICATION_ON,
175 };
176 enum cx23885_notification_mailbox {
177 CX23885_NOTIFICATION_NO_MAILBOX = -1,
178 };
179 enum cx23885_field1_lines {
180 CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
181 CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
182 CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
183 };
184 enum cx23885_field2_lines {
185 CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
186 CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
187 CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
188 };
189 enum cx23885_custom_data_type {
190 CX23885_CUSTOM_EXTENSION_USR_DATA,
191 CX23885_CUSTOM_PRIVATE_PACKET,
192 };
193 enum cx23885_mute {
194 CX23885_UNMUTE,
195 CX23885_MUTE,
196 };
197 enum cx23885_mute_video_mask {
198 CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
199 CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
200 CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
201 };
202 enum cx23885_mute_video_shift {
203 CX23885_MUTE_VIDEO_V_SHIFT = 8,
204 CX23885_MUTE_VIDEO_U_SHIFT = 16,
205 CX23885_MUTE_VIDEO_Y_SHIFT = 24,
206 };
207
208 /* defines below are from ivtv-driver.h */
209 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
210
211 /* Firmware API commands */
212 #define IVTV_API_STD_TIMEOUT 500
213
214 /* Registers */
215 /* IVTV_REG_OFFSET */
216 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
217 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
218 #define IVTV_REG_SPU (0x9050)
219 #define IVTV_REG_HW_BLOCKS (0x9054)
220 #define IVTV_REG_VPU (0x9058)
221 #define IVTV_REG_APU (0xA064)
222
223 /**** Bit definitions for MC417_RWD and MC417_OEN registers ***
224 bits 31-16
225 +-----------+
226 | Reserved |
227 +-----------+
228 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
229 +-------+-------+-------+-------+-------+-------+-------+-------+
230 | MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
231 +-------+-------+-------+-------+-------+-------+-------+-------+
232 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
233 +-------+-------+-------+-------+-------+-------+-------+-------+
234 |MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
235 +-------+-------+-------+-------+-------+-------+-------+-------+
236 ***/
237 #define MC417_MIWR 0x8000
238 #define MC417_MIRD 0x4000
239 #define MC417_MICS 0x2000
240 #define MC417_MIRDY 0x1000
241 #define MC417_MIADDR 0x0F00
242 #define MC417_MIDATA 0x00FF
243
244 /* MIADDR* nibble definitions */
245 #define MCI_MEMORY_DATA_BYTE0 0x000
246 #define MCI_MEMORY_DATA_BYTE1 0x100
247 #define MCI_MEMORY_DATA_BYTE2 0x200
248 #define MCI_MEMORY_DATA_BYTE3 0x300
249 #define MCI_MEMORY_ADDRESS_BYTE2 0x400
250 #define MCI_MEMORY_ADDRESS_BYTE1 0x500
251 #define MCI_MEMORY_ADDRESS_BYTE0 0x600
252 #define MCI_REGISTER_DATA_BYTE0 0x800
253 #define MCI_REGISTER_DATA_BYTE1 0x900
254 #define MCI_REGISTER_DATA_BYTE2 0xA00
255 #define MCI_REGISTER_DATA_BYTE3 0xB00
256 #define MCI_REGISTER_ADDRESS_BYTE0 0xC00
257 #define MCI_REGISTER_ADDRESS_BYTE1 0xD00
258 #define MCI_REGISTER_MODE 0xE00
259
260 /* Read and write modes */
261 #define MCI_MODE_REGISTER_READ 0
262 #define MCI_MODE_REGISTER_WRITE 1
263 #define MCI_MODE_MEMORY_READ 0
264 #define MCI_MODE_MEMORY_WRITE 0x40
265
266 /*** Bit definitions for MC417_CTL register ****
267 bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0
268 +--------+-------------+--------+--------------+------------+
269 |Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
270 +--------+-------------+--------+--------------+------------+
271 ***/
272 #define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030)
273 #define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006)
274 #define MC417_UART_GPIO_EN 0x00000001
275
276 /* Values for speed control */
277 #define MC417_SPD_CTL_SLOW 0x1
278 #define MC417_SPD_CTL_MEDIUM 0x0
279 #define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */
280
281 /* Values for GPIO select */
282 #define MC417_GPIO_SEL_GPIO3 0x3
283 #define MC417_GPIO_SEL_GPIO2 0x2
284 #define MC417_GPIO_SEL_GPIO1 0x1
285 #define MC417_GPIO_SEL_GPIO0 0x0
286
287 void cx23885_mc417_init(struct cx23885_dev *dev)
288 {
289 u32 regval;
290
291 dprintk(2, "%s()\n", __func__);
292
293 /* Configure MC417_CTL register to defaults. */
294 regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST) |
295 MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3) |
296 MC417_UART_GPIO_EN;
297 cx_write(MC417_CTL, regval);
298
299 /* Configure MC417_OEN to defaults. */
300 regval = MC417_MIRDY;
301 cx_write(MC417_OEN, regval);
302
303 /* Configure MC417_RWD to defaults. */
304 regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
305 cx_write(MC417_RWD, regval);
306 }
307
308 static int mc417_wait_ready(struct cx23885_dev *dev)
309 {
310 u32 mi_ready;
311 unsigned long timeout = jiffies + msecs_to_jiffies(1);
312
313 for (;;) {
314 mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
315 if (mi_ready != 0)
316 return 0;
317 if (time_after(jiffies, timeout))
318 return -1;
319 udelay(1);
320 }
321 }
322
323 int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
324 {
325 u32 regval;
326
327 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
328 * which is an input.
329 */
330 cx_write(MC417_OEN, MC417_MIRDY);
331
332 /* Write data byte 0 */
333 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
334 (value & 0x000000FF);
335 cx_write(MC417_RWD, regval);
336
337 /* Transition CS/WR to effect write transaction across bus. */
338 regval |= MC417_MICS | MC417_MIWR;
339 cx_write(MC417_RWD, regval);
340
341 /* Write data byte 1 */
342 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
343 ((value >> 8) & 0x000000FF);
344 cx_write(MC417_RWD, regval);
345 regval |= MC417_MICS | MC417_MIWR;
346 cx_write(MC417_RWD, regval);
347
348 /* Write data byte 2 */
349 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
350 ((value >> 16) & 0x000000FF);
351 cx_write(MC417_RWD, regval);
352 regval |= MC417_MICS | MC417_MIWR;
353 cx_write(MC417_RWD, regval);
354
355 /* Write data byte 3 */
356 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
357 ((value >> 24) & 0x000000FF);
358 cx_write(MC417_RWD, regval);
359 regval |= MC417_MICS | MC417_MIWR;
360 cx_write(MC417_RWD, regval);
361
362 /* Write address byte 0 */
363 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
364 (address & 0xFF);
365 cx_write(MC417_RWD, regval);
366 regval |= MC417_MICS | MC417_MIWR;
367 cx_write(MC417_RWD, regval);
368
369 /* Write address byte 1 */
370 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
371 ((address >> 8) & 0xFF);
372 cx_write(MC417_RWD, regval);
373 regval |= MC417_MICS | MC417_MIWR;
374 cx_write(MC417_RWD, regval);
375
376 /* Indicate that this is a write. */
377 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
378 MCI_MODE_REGISTER_WRITE;
379 cx_write(MC417_RWD, regval);
380 regval |= MC417_MICS | MC417_MIWR;
381 cx_write(MC417_RWD, regval);
382
383 /* Wait for the trans to complete (MC417_MIRDY asserted). */
384 return mc417_wait_ready(dev);
385 }
386
387 int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
388 {
389 int retval;
390 u32 regval;
391 u32 tempval;
392 u32 dataval;
393
394 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
395 * which is an input.
396 */
397 cx_write(MC417_OEN, MC417_MIRDY);
398
399 /* Write address byte 0 */
400 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
401 ((address & 0x00FF));
402 cx_write(MC417_RWD, regval);
403 regval |= MC417_MICS | MC417_MIWR;
404 cx_write(MC417_RWD, regval);
405
406 /* Write address byte 1 */
407 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
408 ((address >> 8) & 0xFF);
409 cx_write(MC417_RWD, regval);
410 regval |= MC417_MICS | MC417_MIWR;
411 cx_write(MC417_RWD, regval);
412
413 /* Indicate that this is a register read. */
414 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
415 MCI_MODE_REGISTER_READ;
416 cx_write(MC417_RWD, regval);
417 regval |= MC417_MICS | MC417_MIWR;
418 cx_write(MC417_RWD, regval);
419
420 /* Wait for the trans to complete (MC417_MIRDY asserted). */
421 retval = mc417_wait_ready(dev);
422
423 /* switch the DAT0-7 GPIO[10:3] to input mode */
424 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
425
426 /* Read data byte 0 */
427 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
428 cx_write(MC417_RWD, regval);
429
430 /* Transition RD to effect read transaction across bus.
431 * Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
432 * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
433 * input only...)
434 */
435 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
436 cx_write(MC417_RWD, regval);
437
438 /* Collect byte */
439 tempval = cx_read(MC417_RWD);
440 dataval = tempval & 0x000000FF;
441
442 /* Bring CS and RD high. */
443 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
444 cx_write(MC417_RWD, regval);
445
446 /* Read data byte 1 */
447 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
448 cx_write(MC417_RWD, regval);
449 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
450 cx_write(MC417_RWD, regval);
451 tempval = cx_read(MC417_RWD);
452 dataval |= ((tempval & 0x000000FF) << 8);
453 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
454 cx_write(MC417_RWD, regval);
455
456 /* Read data byte 2 */
457 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
458 cx_write(MC417_RWD, regval);
459 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
460 cx_write(MC417_RWD, regval);
461 tempval = cx_read(MC417_RWD);
462 dataval |= ((tempval & 0x000000FF) << 16);
463 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
464 cx_write(MC417_RWD, regval);
465
466 /* Read data byte 3 */
467 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
468 cx_write(MC417_RWD, regval);
469 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
470 cx_write(MC417_RWD, regval);
471 tempval = cx_read(MC417_RWD);
472 dataval |= ((tempval & 0x000000FF) << 24);
473 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
474 cx_write(MC417_RWD, regval);
475
476 *value = dataval;
477
478 return retval;
479 }
480
481 int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
482 {
483 u32 regval;
484
485 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
486 * which is an input.
487 */
488 cx_write(MC417_OEN, MC417_MIRDY);
489
490 /* Write data byte 0 */
491 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
492 (value & 0x000000FF);
493 cx_write(MC417_RWD, regval);
494
495 /* Transition CS/WR to effect write transaction across bus. */
496 regval |= MC417_MICS | MC417_MIWR;
497 cx_write(MC417_RWD, regval);
498
499 /* Write data byte 1 */
500 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
501 ((value >> 8) & 0x000000FF);
502 cx_write(MC417_RWD, regval);
503 regval |= MC417_MICS | MC417_MIWR;
504 cx_write(MC417_RWD, regval);
505
506 /* Write data byte 2 */
507 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
508 ((value >> 16) & 0x000000FF);
509 cx_write(MC417_RWD, regval);
510 regval |= MC417_MICS | MC417_MIWR;
511 cx_write(MC417_RWD, regval);
512
513 /* Write data byte 3 */
514 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
515 ((value >> 24) & 0x000000FF);
516 cx_write(MC417_RWD, regval);
517 regval |= MC417_MICS | MC417_MIWR;
518 cx_write(MC417_RWD, regval);
519
520 /* Write address byte 2 */
521 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
522 MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
523 cx_write(MC417_RWD, regval);
524 regval |= MC417_MICS | MC417_MIWR;
525 cx_write(MC417_RWD, regval);
526
527 /* Write address byte 1 */
528 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
529 ((address >> 8) & 0xFF);
530 cx_write(MC417_RWD, regval);
531 regval |= MC417_MICS | MC417_MIWR;
532 cx_write(MC417_RWD, regval);
533
534 /* Write address byte 0 */
535 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
536 (address & 0xFF);
537 cx_write(MC417_RWD, regval);
538 regval |= MC417_MICS | MC417_MIWR;
539 cx_write(MC417_RWD, regval);
540
541 /* Wait for the trans to complete (MC417_MIRDY asserted). */
542 return mc417_wait_ready(dev);
543 }
544
545 int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
546 {
547 int retval;
548 u32 regval;
549 u32 tempval;
550 u32 dataval;
551
552 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
553 * which is an input.
554 */
555 cx_write(MC417_OEN, MC417_MIRDY);
556
557 /* Write address byte 2 */
558 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
559 MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
560 cx_write(MC417_RWD, regval);
561 regval |= MC417_MICS | MC417_MIWR;
562 cx_write(MC417_RWD, regval);
563
564 /* Write address byte 1 */
565 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
566 ((address >> 8) & 0xFF);
567 cx_write(MC417_RWD, regval);
568 regval |= MC417_MICS | MC417_MIWR;
569 cx_write(MC417_RWD, regval);
570
571 /* Write address byte 0 */
572 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
573 (address & 0xFF);
574 cx_write(MC417_RWD, regval);
575 regval |= MC417_MICS | MC417_MIWR;
576 cx_write(MC417_RWD, regval);
577
578 /* Wait for the trans to complete (MC417_MIRDY asserted). */
579 retval = mc417_wait_ready(dev);
580
581 /* switch the DAT0-7 GPIO[10:3] to input mode */
582 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
583
584 /* Read data byte 3 */
585 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
586 cx_write(MC417_RWD, regval);
587
588 /* Transition RD to effect read transaction across bus. */
589 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
590 cx_write(MC417_RWD, regval);
591
592 /* Collect byte */
593 tempval = cx_read(MC417_RWD);
594 dataval = ((tempval & 0x000000FF) << 24);
595
596 /* Bring CS and RD high. */
597 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
598 cx_write(MC417_RWD, regval);
599
600 /* Read data byte 2 */
601 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
602 cx_write(MC417_RWD, regval);
603 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
604 cx_write(MC417_RWD, regval);
605 tempval = cx_read(MC417_RWD);
606 dataval |= ((tempval & 0x000000FF) << 16);
607 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
608 cx_write(MC417_RWD, regval);
609
610 /* Read data byte 1 */
611 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
612 cx_write(MC417_RWD, regval);
613 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
614 cx_write(MC417_RWD, regval);
615 tempval = cx_read(MC417_RWD);
616 dataval |= ((tempval & 0x000000FF) << 8);
617 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
618 cx_write(MC417_RWD, regval);
619
620 /* Read data byte 0 */
621 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
622 cx_write(MC417_RWD, regval);
623 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
624 cx_write(MC417_RWD, regval);
625 tempval = cx_read(MC417_RWD);
626 dataval |= (tempval & 0x000000FF);
627 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
628 cx_write(MC417_RWD, regval);
629
630 *value = dataval;
631
632 return retval;
633 }
634
635 void mc417_gpio_set(struct cx23885_dev *dev, u32 mask)
636 {
637 u32 val;
638
639 /* Set the gpio value */
640 mc417_register_read(dev, 0x900C, &val);
641 val |= (mask & 0x000ffff);
642 mc417_register_write(dev, 0x900C, val);
643 }
644
645 void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask)
646 {
647 u32 val;
648
649 /* Clear the gpio value */
650 mc417_register_read(dev, 0x900C, &val);
651 val &= ~(mask & 0x0000ffff);
652 mc417_register_write(dev, 0x900C, val);
653 }
654
655 void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
656 {
657 u32 val;
658
659 /* Enable GPIO direction bits */
660 mc417_register_read(dev, 0x9020, &val);
661 if (asoutput)
662 val |= (mask & 0x0000ffff);
663 else
664 val &= ~(mask & 0x0000ffff);
665
666 mc417_register_write(dev, 0x9020, val);
667 }
668 /* ------------------------------------------------------------------ */
669
670 /* MPEG encoder API */
671 static char *cmd_to_str(int cmd)
672 {
673 switch (cmd) {
674 case CX2341X_ENC_PING_FW:
675 return "PING_FW";
676 case CX2341X_ENC_START_CAPTURE:
677 return "START_CAPTURE";
678 case CX2341X_ENC_STOP_CAPTURE:
679 return "STOP_CAPTURE";
680 case CX2341X_ENC_SET_AUDIO_ID:
681 return "SET_AUDIO_ID";
682 case CX2341X_ENC_SET_VIDEO_ID:
683 return "SET_VIDEO_ID";
684 case CX2341X_ENC_SET_PCR_ID:
685 return "SET_PCR_ID";
686 case CX2341X_ENC_SET_FRAME_RATE:
687 return "SET_FRAME_RATE";
688 case CX2341X_ENC_SET_FRAME_SIZE:
689 return "SET_FRAME_SIZE";
690 case CX2341X_ENC_SET_BIT_RATE:
691 return "SET_BIT_RATE";
692 case CX2341X_ENC_SET_GOP_PROPERTIES:
693 return "SET_GOP_PROPERTIES";
694 case CX2341X_ENC_SET_ASPECT_RATIO:
695 return "SET_ASPECT_RATIO";
696 case CX2341X_ENC_SET_DNR_FILTER_MODE:
697 return "SET_DNR_FILTER_MODE";
698 case CX2341X_ENC_SET_DNR_FILTER_PROPS:
699 return "SET_DNR_FILTER_PROPS";
700 case CX2341X_ENC_SET_CORING_LEVELS:
701 return "SET_CORING_LEVELS";
702 case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
703 return "SET_SPATIAL_FILTER_TYPE";
704 case CX2341X_ENC_SET_VBI_LINE:
705 return "SET_VBI_LINE";
706 case CX2341X_ENC_SET_STREAM_TYPE:
707 return "SET_STREAM_TYPE";
708 case CX2341X_ENC_SET_OUTPUT_PORT:
709 return "SET_OUTPUT_PORT";
710 case CX2341X_ENC_SET_AUDIO_PROPERTIES:
711 return "SET_AUDIO_PROPERTIES";
712 case CX2341X_ENC_HALT_FW:
713 return "HALT_FW";
714 case CX2341X_ENC_GET_VERSION:
715 return "GET_VERSION";
716 case CX2341X_ENC_SET_GOP_CLOSURE:
717 return "SET_GOP_CLOSURE";
718 case CX2341X_ENC_GET_SEQ_END:
719 return "GET_SEQ_END";
720 case CX2341X_ENC_SET_PGM_INDEX_INFO:
721 return "SET_PGM_INDEX_INFO";
722 case CX2341X_ENC_SET_VBI_CONFIG:
723 return "SET_VBI_CONFIG";
724 case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
725 return "SET_DMA_BLOCK_SIZE";
726 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
727 return "GET_PREV_DMA_INFO_MB_10";
728 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
729 return "GET_PREV_DMA_INFO_MB_9";
730 case CX2341X_ENC_SCHED_DMA_TO_HOST:
731 return "SCHED_DMA_TO_HOST";
732 case CX2341X_ENC_INITIALIZE_INPUT:
733 return "INITIALIZE_INPUT";
734 case CX2341X_ENC_SET_FRAME_DROP_RATE:
735 return "SET_FRAME_DROP_RATE";
736 case CX2341X_ENC_PAUSE_ENCODER:
737 return "PAUSE_ENCODER";
738 case CX2341X_ENC_REFRESH_INPUT:
739 return "REFRESH_INPUT";
740 case CX2341X_ENC_SET_COPYRIGHT:
741 return "SET_COPYRIGHT";
742 case CX2341X_ENC_SET_EVENT_NOTIFICATION:
743 return "SET_EVENT_NOTIFICATION";
744 case CX2341X_ENC_SET_NUM_VSYNC_LINES:
745 return "SET_NUM_VSYNC_LINES";
746 case CX2341X_ENC_SET_PLACEHOLDER:
747 return "SET_PLACEHOLDER";
748 case CX2341X_ENC_MUTE_VIDEO:
749 return "MUTE_VIDEO";
750 case CX2341X_ENC_MUTE_AUDIO:
751 return "MUTE_AUDIO";
752 case CX2341X_ENC_MISC:
753 return "MISC";
754 default:
755 return "UNKNOWN";
756 }
757 }
758
759 static int cx23885_mbox_func(void *priv,
760 u32 command,
761 int in,
762 int out,
763 u32 data[CX2341X_MBOX_MAX_DATA])
764 {
765 struct cx23885_dev *dev = priv;
766 unsigned long timeout;
767 u32 value, flag, retval = 0;
768 int i;
769
770 dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
771 cmd_to_str(command));
772
773 /* this may not be 100% safe if we can't read any memory location
774 without side effects */
775 mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
776 if (value != 0x12345678) {
777 printk(KERN_ERR
778 "Firmware and/or mailbox pointer not initialized "
779 "or corrupted, signature = 0x%x, cmd = %s\n", value,
780 cmd_to_str(command));
781 return -1;
782 }
783
784 /* This read looks at 32 bits, but flag is only 8 bits.
785 * Seems we also bail if CMD or TIMEOUT bytes are set???
786 */
787 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
788 if (flag) {
789 printk(KERN_ERR "ERROR: Mailbox appears to be in use "
790 "(%x), cmd = %s\n", flag, cmd_to_str(command));
791 return -1;
792 }
793
794 flag |= 1; /* tell 'em we're working on it */
795 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
796
797 /* write command + args + fill remaining with zeros */
798 /* command code */
799 mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
800 mc417_memory_write(dev, dev->cx23417_mailbox + 3,
801 IVTV_API_STD_TIMEOUT); /* timeout */
802 for (i = 0; i < in; i++) {
803 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
804 dprintk(3, "API Input %d = %d\n", i, data[i]);
805 }
806 for (; i < CX2341X_MBOX_MAX_DATA; i++)
807 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
808
809 flag |= 3; /* tell 'em we're done writing */
810 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
811
812 /* wait for firmware to handle the API command */
813 timeout = jiffies + msecs_to_jiffies(10);
814 for (;;) {
815 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
816 if (0 != (flag & 4))
817 break;
818 if (time_after(jiffies, timeout)) {
819 printk(KERN_ERR "ERROR: API Mailbox timeout\n");
820 return -1;
821 }
822 udelay(10);
823 }
824
825 /* read output values */
826 for (i = 0; i < out; i++) {
827 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
828 dprintk(3, "API Output %d = %d\n", i, data[i]);
829 }
830
831 mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
832 dprintk(3, "API result = %d\n", retval);
833
834 flag = 0;
835 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
836
837 return retval;
838 }
839
840 /* We don't need to call the API often, so using just one
841 * mailbox will probably suffice
842 */
843 static int cx23885_api_cmd(struct cx23885_dev *dev,
844 u32 command,
845 u32 inputcnt,
846 u32 outputcnt,
847 ...)
848 {
849 u32 data[CX2341X_MBOX_MAX_DATA];
850 va_list vargs;
851 int i, err;
852
853 dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
854
855 va_start(vargs, outputcnt);
856 for (i = 0; i < inputcnt; i++)
857 data[i] = va_arg(vargs, int);
858
859 err = cx23885_mbox_func(dev, command, inputcnt, outputcnt, data);
860 for (i = 0; i < outputcnt; i++) {
861 int *vptr = va_arg(vargs, int *);
862 *vptr = data[i];
863 }
864 va_end(vargs);
865
866 return err;
867 }
868
869 static int cx23885_find_mailbox(struct cx23885_dev *dev)
870 {
871 u32 signature[4] = {
872 0x12345678, 0x34567812, 0x56781234, 0x78123456
873 };
874 int signaturecnt = 0;
875 u32 value;
876 int i;
877
878 dprintk(2, "%s()\n", __func__);
879
880 for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
881 mc417_memory_read(dev, i, &value);
882 if (value == signature[signaturecnt])
883 signaturecnt++;
884 else
885 signaturecnt = 0;
886 if (4 == signaturecnt) {
887 dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
888 return i+1;
889 }
890 }
891 printk(KERN_ERR "Mailbox signature values not found!\n");
892 return -1;
893 }
894
895 static int cx23885_load_firmware(struct cx23885_dev *dev)
896 {
897 static const unsigned char magic[8] = {
898 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
899 };
900 const struct firmware *firmware;
901 int i, retval = 0;
902 u32 value = 0;
903 u32 gpio_output = 0;
904 u32 checksum = 0;
905 u32 *dataptr;
906
907 dprintk(2, "%s()\n", __func__);
908
909 /* Save GPIO settings before reset of APU */
910 retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
911 retval |= mc417_memory_read(dev, 0x900C, &value);
912
913 retval = mc417_register_write(dev,
914 IVTV_REG_VPU, 0xFFFFFFED);
915 retval |= mc417_register_write(dev,
916 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
917 retval |= mc417_register_write(dev,
918 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
919 retval |= mc417_register_write(dev,
920 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
921 retval |= mc417_register_write(dev,
922 IVTV_REG_APU, 0);
923
924 if (retval != 0) {
925 printk(KERN_ERR "%s: Error with mc417_register_write\n",
926 __func__);
927 return -1;
928 }
929
930 retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
931 &dev->pci->dev);
932
933 if (retval != 0) {
934 printk(KERN_ERR
935 "ERROR: Hotplug firmware request failed (%s).\n",
936 CX23885_FIRM_IMAGE_NAME);
937 printk(KERN_ERR "Please fix your hotplug setup, the board will "
938 "not work without firmware loaded!\n");
939 return -1;
940 }
941
942 if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
943 printk(KERN_ERR "ERROR: Firmware size mismatch "
944 "(have %zd, expected %d)\n",
945 firmware->size, CX23885_FIRM_IMAGE_SIZE);
946 release_firmware(firmware);
947 return -1;
948 }
949
950 if (0 != memcmp(firmware->data, magic, 8)) {
951 printk(KERN_ERR
952 "ERROR: Firmware magic mismatch, wrong file?\n");
953 release_firmware(firmware);
954 return -1;
955 }
956
957 /* transfer to the chip */
958 dprintk(2, "Loading firmware ...\n");
959 dataptr = (u32 *)firmware->data;
960 for (i = 0; i < (firmware->size >> 2); i++) {
961 value = *dataptr;
962 checksum += ~value;
963 if (mc417_memory_write(dev, i, value) != 0) {
964 printk(KERN_ERR "ERROR: Loading firmware failed!\n");
965 release_firmware(firmware);
966 return -1;
967 }
968 dataptr++;
969 }
970
971 /* read back to verify with the checksum */
972 dprintk(1, "Verifying firmware ...\n");
973 for (i--; i >= 0; i--) {
974 if (mc417_memory_read(dev, i, &value) != 0) {
975 printk(KERN_ERR "ERROR: Reading firmware failed!\n");
976 release_firmware(firmware);
977 return -1;
978 }
979 checksum -= ~value;
980 }
981 if (checksum) {
982 printk(KERN_ERR
983 "ERROR: Firmware load failed (checksum mismatch).\n");
984 release_firmware(firmware);
985 return -1;
986 }
987 release_firmware(firmware);
988 dprintk(1, "Firmware upload successful.\n");
989
990 retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
991 IVTV_CMD_HW_BLOCKS_RST);
992
993 /* F/W power up disturbs the GPIOs, restore state */
994 retval |= mc417_register_write(dev, 0x9020, gpio_output);
995 retval |= mc417_register_write(dev, 0x900C, value);
996
997 retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
998 retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
999
1000 if (retval < 0)
1001 printk(KERN_ERR "%s: Error with mc417_register_write\n",
1002 __func__);
1003 return 0;
1004 }
1005
1006 void cx23885_417_check_encoder(struct cx23885_dev *dev)
1007 {
1008 u32 status, seq;
1009
1010 status = seq = 0;
1011 cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1012 dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1013 }
1014
1015 static void cx23885_codec_settings(struct cx23885_dev *dev)
1016 {
1017 dprintk(1, "%s()\n", __func__);
1018
1019 /* assign frame size */
1020 cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1021 dev->ts1.height, dev->ts1.width);
1022
1023 dev->mpeg_params.width = dev->ts1.width;
1024 dev->mpeg_params.height = dev->ts1.height;
1025 dev->mpeg_params.is_50hz =
1026 (dev->encodernorm.id & V4L2_STD_625_50) != 0;
1027
1028 cx2341x_update(dev, cx23885_mbox_func, NULL, &dev->mpeg_params);
1029
1030 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1031 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1032 }
1033
1034 static int cx23885_initialize_codec(struct cx23885_dev *dev)
1035 {
1036 int version;
1037 int retval;
1038 u32 i, data[7];
1039
1040 dprintk(1, "%s()\n", __func__);
1041
1042 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1043 if (retval < 0) {
1044 dprintk(2, "%s() PING OK\n", __func__);
1045 retval = cx23885_load_firmware(dev);
1046 if (retval < 0) {
1047 printk(KERN_ERR "%s() f/w load failed\n", __func__);
1048 return retval;
1049 }
1050 retval = cx23885_find_mailbox(dev);
1051 if (retval < 0) {
1052 printk(KERN_ERR "%s() mailbox < 0, error\n",
1053 __func__);
1054 return -1;
1055 }
1056 dev->cx23417_mailbox = retval;
1057 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1058 if (retval < 0) {
1059 printk(KERN_ERR
1060 "ERROR: cx23417 firmware ping failed!\n");
1061 return -1;
1062 }
1063 retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1064 &version);
1065 if (retval < 0) {
1066 printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
1067 "version failed!\n");
1068 return -1;
1069 }
1070 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1071 msleep(200);
1072 }
1073
1074 cx23885_codec_settings(dev);
1075 msleep(60);
1076
1077 cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1078 CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
1079 cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1080 CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1081 0, 0);
1082
1083 /* Setup to capture VBI */
1084 data[0] = 0x0001BD00;
1085 data[1] = 1; /* frames per interrupt */
1086 data[2] = 4; /* total bufs */
1087 data[3] = 0x91559155; /* start codes */
1088 data[4] = 0x206080C0; /* stop codes */
1089 data[5] = 6; /* lines */
1090 data[6] = 64; /* BPL */
1091
1092 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1093 data[2], data[3], data[4], data[5], data[6]);
1094
1095 for (i = 2; i <= 24; i++) {
1096 int valid;
1097
1098 valid = ((i >= 19) && (i <= 21));
1099 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1100 valid, 0 , 0, 0);
1101 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1102 i | 0x80000000, valid, 0, 0, 0);
1103 }
1104
1105 cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
1106 msleep(60);
1107
1108 /* initialize the video input */
1109 cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1110 msleep(60);
1111
1112 /* Enable VIP style pixel invalidation so we work with scaled mode */
1113 mc417_memory_write(dev, 2120, 0x00000080);
1114
1115 /* start capturing to the host interface */
1116 cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1117 CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
1118 msleep(10);
1119
1120 return 0;
1121 }
1122
1123 /* ------------------------------------------------------------------ */
1124
1125 static int bb_buf_setup(struct videobuf_queue *q,
1126 unsigned int *count, unsigned int *size)
1127 {
1128 struct cx23885_fh *fh = q->priv_data;
1129
1130 fh->dev->ts1.ts_packet_size = mpeglinesize;
1131 fh->dev->ts1.ts_packet_count = mpeglines;
1132
1133 *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1134 *count = mpegbufs;
1135
1136 return 0;
1137 }
1138
1139 static int bb_buf_prepare(struct videobuf_queue *q,
1140 struct videobuf_buffer *vb, enum v4l2_field field)
1141 {
1142 struct cx23885_fh *fh = q->priv_data;
1143 return cx23885_buf_prepare(q, &fh->dev->ts1,
1144 (struct cx23885_buffer *)vb,
1145 field);
1146 }
1147
1148 static void bb_buf_queue(struct videobuf_queue *q,
1149 struct videobuf_buffer *vb)
1150 {
1151 struct cx23885_fh *fh = q->priv_data;
1152 cx23885_buf_queue(&fh->dev->ts1, (struct cx23885_buffer *)vb);
1153 }
1154
1155 static void bb_buf_release(struct videobuf_queue *q,
1156 struct videobuf_buffer *vb)
1157 {
1158 cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
1159 }
1160
1161 static struct videobuf_queue_ops cx23885_qops = {
1162 .buf_setup = bb_buf_setup,
1163 .buf_prepare = bb_buf_prepare,
1164 .buf_queue = bb_buf_queue,
1165 .buf_release = bb_buf_release,
1166 };
1167
1168 /* ------------------------------------------------------------------ */
1169
1170 static const u32 *ctrl_classes[] = {
1171 cx2341x_mpeg_ctrls,
1172 NULL
1173 };
1174
1175 static int cx23885_queryctrl(struct cx23885_dev *dev,
1176 struct v4l2_queryctrl *qctrl)
1177 {
1178 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1179 if (qctrl->id == 0)
1180 return -EINVAL;
1181
1182 /* MPEG V4L2 controls */
1183 if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl))
1184 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
1185
1186 return 0;
1187 }
1188
1189 static int cx23885_querymenu(struct cx23885_dev *dev,
1190 struct v4l2_querymenu *qmenu)
1191 {
1192 struct v4l2_queryctrl qctrl;
1193
1194 qctrl.id = qmenu->id;
1195 cx23885_queryctrl(dev, &qctrl);
1196 return v4l2_ctrl_query_menu(qmenu, &qctrl,
1197 cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id));
1198 }
1199
1200 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
1201 {
1202 struct cx23885_fh *fh = file->private_data;
1203 struct cx23885_dev *dev = fh->dev;
1204 unsigned int i;
1205
1206 for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
1207 if (*id & cx23885_tvnorms[i].id)
1208 break;
1209 if (i == ARRAY_SIZE(cx23885_tvnorms))
1210 return -EINVAL;
1211 dev->encodernorm = cx23885_tvnorms[i];
1212 return 0;
1213 }
1214
1215 static int vidioc_enum_input(struct file *file, void *priv,
1216 struct v4l2_input *i)
1217 {
1218 struct cx23885_fh *fh = file->private_data;
1219 struct cx23885_dev *dev = fh->dev;
1220 struct cx23885_input *input;
1221 int n;
1222
1223 if (i->index >= 4)
1224 return -EINVAL;
1225
1226 input = &cx23885_boards[dev->board].input[i->index];
1227
1228 if (input->type == 0)
1229 return -EINVAL;
1230
1231 strcpy(i->name, "unset");
1232
1233 if (input->type == CX23885_VMUX_TELEVISION ||
1234 input->type == CX23885_VMUX_CABLE)
1235 i->type = V4L2_INPUT_TYPE_TUNER;
1236 else
1237 i->type = V4L2_INPUT_TYPE_CAMERA;
1238
1239 for (n = 0; n < ARRAY_SIZE(cx23885_tvnorms); n++)
1240 i->std |= cx23885_tvnorms[n].id;
1241 return 0;
1242 }
1243
1244 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1245 {
1246 struct cx23885_fh *fh = file->private_data;
1247 struct cx23885_dev *dev = fh->dev;
1248
1249 *i = dev->input;
1250 return 0;
1251 }
1252
1253 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1254 {
1255 if (i >= 4)
1256 return -EINVAL;
1257
1258 return 0;
1259 }
1260
1261 static int vidioc_g_tuner(struct file *file, void *priv,
1262 struct v4l2_tuner *t)
1263 {
1264 struct cx23885_fh *fh = file->private_data;
1265 struct cx23885_dev *dev = fh->dev;
1266
1267 if (UNSET == dev->tuner_type)
1268 return -EINVAL;
1269 if (0 != t->index)
1270 return -EINVAL;
1271 strcpy(t->name, "Television");
1272 call_all(dev, tuner, g_tuner, t);
1273
1274 dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
1275
1276 return 0;
1277 }
1278
1279 static int vidioc_s_tuner(struct file *file, void *priv,
1280 struct v4l2_tuner *t)
1281 {
1282 struct cx23885_fh *fh = file->private_data;
1283 struct cx23885_dev *dev = fh->dev;
1284
1285 if (UNSET == dev->tuner_type)
1286 return -EINVAL;
1287
1288 /* Update the A/V core */
1289 call_all(dev, tuner, s_tuner, t);
1290
1291 return 0;
1292 }
1293
1294 static int vidioc_g_frequency(struct file *file, void *priv,
1295 struct v4l2_frequency *f)
1296 {
1297 struct cx23885_fh *fh = file->private_data;
1298 struct cx23885_dev *dev = fh->dev;
1299
1300 if (UNSET == dev->tuner_type)
1301 return -EINVAL;
1302 f->type = V4L2_TUNER_ANALOG_TV;
1303 f->frequency = dev->freq;
1304
1305 call_all(dev, tuner, g_frequency, f);
1306
1307 return 0;
1308 }
1309
1310 static int vidioc_s_frequency(struct file *file, void *priv,
1311 struct v4l2_frequency *f)
1312 {
1313 struct cx23885_fh *fh = file->private_data;
1314 struct cx23885_dev *dev = fh->dev;
1315
1316 cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1317 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1318 CX23885_RAW_BITS_NONE);
1319
1320 dprintk(1, "VIDIOC_S_FREQUENCY: dev type %d, f\n",
1321 dev->tuner_type);
1322 dprintk(1, "VIDIOC_S_FREQUENCY: f tuner %d, f type %d\n",
1323 f->tuner, f->type);
1324 if (UNSET == dev->tuner_type)
1325 return -EINVAL;
1326 if (f->tuner != 0)
1327 return -EINVAL;
1328 if (f->type != V4L2_TUNER_ANALOG_TV)
1329 return -EINVAL;
1330 dev->freq = f->frequency;
1331
1332 call_all(dev, tuner, s_frequency, f);
1333
1334 cx23885_initialize_codec(dev);
1335
1336 return 0;
1337 }
1338
1339 static int vidioc_s_ctrl(struct file *file, void *priv,
1340 struct v4l2_control *ctl)
1341 {
1342 struct cx23885_fh *fh = file->private_data;
1343 struct cx23885_dev *dev = fh->dev;
1344
1345 /* Update the A/V core */
1346 call_all(dev, core, s_ctrl, ctl);
1347 return 0;
1348 }
1349
1350 static int vidioc_querycap(struct file *file, void *priv,
1351 struct v4l2_capability *cap)
1352 {
1353 struct cx23885_fh *fh = file->private_data;
1354 struct cx23885_dev *dev = fh->dev;
1355 struct cx23885_tsport *tsport = &dev->ts1;
1356
1357 strlcpy(cap->driver, dev->name, sizeof(cap->driver));
1358 strlcpy(cap->card, cx23885_boards[tsport->dev->board].name,
1359 sizeof(cap->card));
1360 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1361 cap->version = CX23885_VERSION_CODE;
1362 cap->capabilities =
1363 V4L2_CAP_VIDEO_CAPTURE |
1364 V4L2_CAP_READWRITE |
1365 V4L2_CAP_STREAMING |
1366 0;
1367 if (UNSET != dev->tuner_type)
1368 cap->capabilities |= V4L2_CAP_TUNER;
1369
1370 return 0;
1371 }
1372
1373 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1374 struct v4l2_fmtdesc *f)
1375 {
1376 if (f->index != 0)
1377 return -EINVAL;
1378
1379 strlcpy(f->description, "MPEG", sizeof(f->description));
1380 f->pixelformat = V4L2_PIX_FMT_MPEG;
1381
1382 return 0;
1383 }
1384
1385 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1386 struct v4l2_format *f)
1387 {
1388 struct cx23885_fh *fh = file->private_data;
1389 struct cx23885_dev *dev = fh->dev;
1390
1391 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1392 f->fmt.pix.bytesperline = 0;
1393 f->fmt.pix.sizeimage =
1394 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1395 f->fmt.pix.colorspace = 0;
1396 f->fmt.pix.width = dev->ts1.width;
1397 f->fmt.pix.height = dev->ts1.height;
1398 f->fmt.pix.field = fh->mpegq.field;
1399 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
1400 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1401 return 0;
1402 }
1403
1404 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1405 struct v4l2_format *f)
1406 {
1407 struct cx23885_fh *fh = file->private_data;
1408 struct cx23885_dev *dev = fh->dev;
1409
1410 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1411 f->fmt.pix.bytesperline = 0;
1412 f->fmt.pix.sizeimage =
1413 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1414 f->fmt.pix.colorspace = 0;
1415 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
1416 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1417 return 0;
1418 }
1419
1420 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1421 struct v4l2_format *f)
1422 {
1423 struct cx23885_fh *fh = file->private_data;
1424 struct cx23885_dev *dev = fh->dev;
1425
1426 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1427 f->fmt.pix.bytesperline = 0;
1428 f->fmt.pix.sizeimage =
1429 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1430 f->fmt.pix.colorspace = 0;
1431 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
1432 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
1433 return 0;
1434 }
1435
1436 static int vidioc_reqbufs(struct file *file, void *priv,
1437 struct v4l2_requestbuffers *p)
1438 {
1439 struct cx23885_fh *fh = file->private_data;
1440
1441 return videobuf_reqbufs(&fh->mpegq, p);
1442 }
1443
1444 static int vidioc_querybuf(struct file *file, void *priv,
1445 struct v4l2_buffer *p)
1446 {
1447 struct cx23885_fh *fh = file->private_data;
1448
1449 return videobuf_querybuf(&fh->mpegq, p);
1450 }
1451
1452 static int vidioc_qbuf(struct file *file, void *priv,
1453 struct v4l2_buffer *p)
1454 {
1455 struct cx23885_fh *fh = file->private_data;
1456
1457 return videobuf_qbuf(&fh->mpegq, p);
1458 }
1459
1460 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1461 {
1462 struct cx23885_fh *fh = priv;
1463
1464 return videobuf_dqbuf(&fh->mpegq, b, file->f_flags & O_NONBLOCK);
1465 }
1466
1467
1468 static int vidioc_streamon(struct file *file, void *priv,
1469 enum v4l2_buf_type i)
1470 {
1471 struct cx23885_fh *fh = file->private_data;
1472
1473 return videobuf_streamon(&fh->mpegq);
1474 }
1475
1476 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1477 {
1478 struct cx23885_fh *fh = file->private_data;
1479
1480 return videobuf_streamoff(&fh->mpegq);
1481 }
1482
1483 static int vidioc_g_ext_ctrls(struct file *file, void *priv,
1484 struct v4l2_ext_controls *f)
1485 {
1486 struct cx23885_fh *fh = priv;
1487 struct cx23885_dev *dev = fh->dev;
1488
1489 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1490 return -EINVAL;
1491 return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS);
1492 }
1493
1494 static int vidioc_s_ext_ctrls(struct file *file, void *priv,
1495 struct v4l2_ext_controls *f)
1496 {
1497 struct cx23885_fh *fh = priv;
1498 struct cx23885_dev *dev = fh->dev;
1499 struct cx2341x_mpeg_params p;
1500 int err;
1501
1502 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1503 return -EINVAL;
1504
1505 p = dev->mpeg_params;
1506 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
1507
1508 if (err == 0) {
1509 err = cx2341x_update(dev, cx23885_mbox_func,
1510 &dev->mpeg_params, &p);
1511 dev->mpeg_params = p;
1512 }
1513 return err;
1514 }
1515
1516 static int vidioc_try_ext_ctrls(struct file *file, void *priv,
1517 struct v4l2_ext_controls *f)
1518 {
1519 struct cx23885_fh *fh = priv;
1520 struct cx23885_dev *dev = fh->dev;
1521 struct cx2341x_mpeg_params p;
1522 int err;
1523
1524 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1525 return -EINVAL;
1526
1527 p = dev->mpeg_params;
1528 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1529 return err;
1530 }
1531
1532 static int vidioc_log_status(struct file *file, void *priv)
1533 {
1534 struct cx23885_fh *fh = priv;
1535 struct cx23885_dev *dev = fh->dev;
1536 char name[32 + 2];
1537
1538 snprintf(name, sizeof(name), "%s/2", dev->name);
1539 printk(KERN_INFO
1540 "%s/2: ============ START LOG STATUS ============\n",
1541 dev->name);
1542 call_all(dev, core, log_status);
1543 cx2341x_log_status(&dev->mpeg_params, name);
1544 printk(KERN_INFO
1545 "%s/2: ============= END LOG STATUS =============\n",
1546 dev->name);
1547 return 0;
1548 }
1549
1550 static int vidioc_querymenu(struct file *file, void *priv,
1551 struct v4l2_querymenu *a)
1552 {
1553 struct cx23885_fh *fh = priv;
1554 struct cx23885_dev *dev = fh->dev;
1555
1556 return cx23885_querymenu(dev, a);
1557 }
1558
1559 static int vidioc_queryctrl(struct file *file, void *priv,
1560 struct v4l2_queryctrl *c)
1561 {
1562 struct cx23885_fh *fh = priv;
1563 struct cx23885_dev *dev = fh->dev;
1564
1565 return cx23885_queryctrl(dev, c);
1566 }
1567
1568 static int mpeg_open(struct file *file)
1569 {
1570 struct cx23885_dev *dev = video_drvdata(file);
1571 struct cx23885_fh *fh;
1572
1573 dprintk(2, "%s()\n", __func__);
1574
1575 /* allocate + initialize per filehandle data */
1576 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1577 if (NULL == fh) {
1578 unlock_kernel();
1579 return -ENOMEM;
1580 }
1581
1582 lock_kernel();
1583
1584 file->private_data = fh;
1585 fh->dev = dev;
1586
1587 videobuf_queue_sg_init(&fh->mpegq, &cx23885_qops,
1588 &dev->pci->dev, &dev->ts1.slock,
1589 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1590 V4L2_FIELD_INTERLACED,
1591 sizeof(struct cx23885_buffer),
1592 fh);
1593 unlock_kernel();
1594
1595 return 0;
1596 }
1597
1598 static int mpeg_release(struct file *file)
1599 {
1600 struct cx23885_fh *fh = file->private_data;
1601 struct cx23885_dev *dev = fh->dev;
1602
1603 dprintk(2, "%s()\n", __func__);
1604
1605 /* Shut device down on last close */
1606 if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1607 if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1608 /* stop mpeg capture */
1609 cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1610 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1611 CX23885_RAW_BITS_NONE);
1612
1613 msleep(500);
1614 cx23885_417_check_encoder(dev);
1615
1616 cx23885_cancel_buffers(&fh->dev->ts1);
1617 }
1618 }
1619
1620 if (fh->mpegq.streaming)
1621 videobuf_streamoff(&fh->mpegq);
1622 if (fh->mpegq.reading)
1623 videobuf_read_stop(&fh->mpegq);
1624
1625 videobuf_mmap_free(&fh->mpegq);
1626 file->private_data = NULL;
1627 kfree(fh);
1628
1629 return 0;
1630 }
1631
1632 static ssize_t mpeg_read(struct file *file, char __user *data,
1633 size_t count, loff_t *ppos)
1634 {
1635 struct cx23885_fh *fh = file->private_data;
1636 struct cx23885_dev *dev = fh->dev;
1637
1638 dprintk(2, "%s()\n", __func__);
1639
1640 /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1641 /* Start mpeg encoder on first read. */
1642 if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1643 if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1644 if (cx23885_initialize_codec(dev) < 0)
1645 return -EINVAL;
1646 }
1647 }
1648
1649 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1650 file->f_flags & O_NONBLOCK);
1651 }
1652
1653 static unsigned int mpeg_poll(struct file *file,
1654 struct poll_table_struct *wait)
1655 {
1656 struct cx23885_fh *fh = file->private_data;
1657 struct cx23885_dev *dev = fh->dev;
1658
1659 dprintk(2, "%s\n", __func__);
1660
1661 return videobuf_poll_stream(file, &fh->mpegq, wait);
1662 }
1663
1664 static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1665 {
1666 struct cx23885_fh *fh = file->private_data;
1667 struct cx23885_dev *dev = fh->dev;
1668
1669 dprintk(2, "%s()\n", __func__);
1670
1671 return videobuf_mmap_mapper(&fh->mpegq, vma);
1672 }
1673
1674 static struct v4l2_file_operations mpeg_fops = {
1675 .owner = THIS_MODULE,
1676 .open = mpeg_open,
1677 .release = mpeg_release,
1678 .read = mpeg_read,
1679 .poll = mpeg_poll,
1680 .mmap = mpeg_mmap,
1681 .ioctl = video_ioctl2,
1682 };
1683
1684 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1685 .vidioc_s_std = vidioc_s_std,
1686 .vidioc_enum_input = vidioc_enum_input,
1687 .vidioc_g_input = vidioc_g_input,
1688 .vidioc_s_input = vidioc_s_input,
1689 .vidioc_g_tuner = vidioc_g_tuner,
1690 .vidioc_s_tuner = vidioc_s_tuner,
1691 .vidioc_g_frequency = vidioc_g_frequency,
1692 .vidioc_s_frequency = vidioc_s_frequency,
1693 .vidioc_s_ctrl = vidioc_s_ctrl,
1694 .vidioc_querycap = vidioc_querycap,
1695 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1696 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1697 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1698 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1699 .vidioc_reqbufs = vidioc_reqbufs,
1700 .vidioc_querybuf = vidioc_querybuf,
1701 .vidioc_qbuf = vidioc_qbuf,
1702 .vidioc_dqbuf = vidioc_dqbuf,
1703 .vidioc_streamon = vidioc_streamon,
1704 .vidioc_streamoff = vidioc_streamoff,
1705 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1706 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1707 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1708 .vidioc_log_status = vidioc_log_status,
1709 .vidioc_querymenu = vidioc_querymenu,
1710 .vidioc_queryctrl = vidioc_queryctrl,
1711 .vidioc_g_chip_ident = cx23885_g_chip_ident,
1712 #ifdef CONFIG_VIDEO_ADV_DEBUG
1713 .vidioc_g_register = cx23885_g_register,
1714 .vidioc_s_register = cx23885_s_register,
1715 #endif
1716 };
1717
1718 static struct video_device cx23885_mpeg_template = {
1719 .name = "cx23885",
1720 .fops = &mpeg_fops,
1721 .ioctl_ops = &mpeg_ioctl_ops,
1722 .tvnorms = CX23885_NORMS,
1723 .current_norm = V4L2_STD_NTSC_M,
1724 };
1725
1726 void cx23885_417_unregister(struct cx23885_dev *dev)
1727 {
1728 dprintk(1, "%s()\n", __func__);
1729
1730 if (dev->v4l_device) {
1731 if (video_is_registered(dev->v4l_device))
1732 video_unregister_device(dev->v4l_device);
1733 else
1734 video_device_release(dev->v4l_device);
1735 dev->v4l_device = NULL;
1736 }
1737 }
1738
1739 static struct video_device *cx23885_video_dev_alloc(
1740 struct cx23885_tsport *tsport,
1741 struct pci_dev *pci,
1742 struct video_device *template,
1743 char *type)
1744 {
1745 struct video_device *vfd;
1746 struct cx23885_dev *dev = tsport->dev;
1747
1748 dprintk(1, "%s()\n", __func__);
1749
1750 vfd = video_device_alloc();
1751 if (NULL == vfd)
1752 return NULL;
1753 *vfd = *template;
1754 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1755 type, cx23885_boards[tsport->dev->board].name);
1756 vfd->parent = &pci->dev;
1757 vfd->release = video_device_release;
1758 return vfd;
1759 }
1760
1761 int cx23885_417_register(struct cx23885_dev *dev)
1762 {
1763 int err = -ENODEV;
1764 struct cx23885_tsport *tsport = &dev->ts1;
1765
1766 dprintk(1, "%s()\n", __func__);
1767
1768 if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
1769 return err;
1770
1771 /* Set default TV standard */
1772 dev->encodernorm = cx23885_tvnorms[0];
1773
1774 if (dev->encodernorm.id & V4L2_STD_525_60)
1775 tsport->height = 480;
1776 else
1777 tsport->height = 576;
1778
1779 tsport->width = 720;
1780 cx2341x_fill_defaults(&dev->mpeg_params);
1781
1782 dev->mpeg_params.port = CX2341X_PORT_SERIAL;
1783
1784 /* Allocate and initialize V4L video device */
1785 dev->v4l_device = cx23885_video_dev_alloc(tsport,
1786 dev->pci, &cx23885_mpeg_template, "mpeg");
1787 video_set_drvdata(dev->v4l_device, dev);
1788 err = video_register_device(dev->v4l_device,
1789 VFL_TYPE_GRABBER, -1);
1790 if (err < 0) {
1791 printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
1792 return err;
1793 }
1794
1795 printk(KERN_INFO "%s: registered device %s [mpeg]\n",
1796 dev->name, video_device_node_name(dev->v4l_device));
1797
1798 return 0;
1799 }
Tomato firmware and modifications.