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 <media/v4l2-common.h>
35 #include <media/v4l2-ioctl.h>
36 #include <media/cx2341x.h>
37
38 #include "cx23885.h"
39
40 #define CX23885_FIRM_IMAGE_SIZE 376836
41 #define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
42
43 static unsigned int mpegbufs = 32;
44 module_param(mpegbufs, int, 0644);
45 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
46 static unsigned int mpeglines = 32;
47 module_param(mpeglines, int, 0644);
48 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
49 static unsigned int mpeglinesize = 512;
50 module_param(mpeglinesize, int, 0644);
51 MODULE_PARM_DESC(mpeglinesize,
52 "number of bytes in each line of an MPEG buffer, range 512-1024");
53
54 static unsigned int v4l_debug;
55 module_param(v4l_debug, int, 0644);
56 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
57
58 #define dprintk(level, fmt, arg...)\
59 do { if (v4l_debug >= level) \
60 printk(KERN_DEBUG "%s: " fmt, dev->name , ## arg);\
61 } while (0)
62
63 static struct cx23885_tvnorm cx23885_tvnorms[] = {
64 {
65 .name = "NTSC-M",
66 .id = V4L2_STD_NTSC_M,
67 }, {
68 .name = "NTSC-JP",
69 .id = V4L2_STD_NTSC_M_JP,
70 }, {
71 .name = "PAL-BG",
72 .id = V4L2_STD_PAL_BG,
73 }, {
74 .name = "PAL-DK",
75 .id = V4L2_STD_PAL_DK,
76 }, {
77 .name = "PAL-I",
78 .id = V4L2_STD_PAL_I,
79 }, {
80 .name = "PAL-M",
81 .id = V4L2_STD_PAL_M,
82 }, {
83 .name = "PAL-N",
84 .id = V4L2_STD_PAL_N,
85 }, {
86 .name = "PAL-Nc",
87 .id = V4L2_STD_PAL_Nc,
88 }, {
89 .name = "PAL-60",
90 .id = V4L2_STD_PAL_60,
91 }, {
92 .name = "SECAM-L",
93 .id = V4L2_STD_SECAM_L,
94 }, {
95 .name = "SECAM-DK",
96 .id = V4L2_STD_SECAM_DK,
97 }
98 };
99
100 /* ------------------------------------------------------------------ */
101 enum cx23885_capture_type {
102 CX23885_MPEG_CAPTURE,
103 CX23885_RAW_CAPTURE,
104 CX23885_RAW_PASSTHRU_CAPTURE
105 };
106 enum cx23885_capture_bits {
107 CX23885_RAW_BITS_NONE = 0x00,
108 CX23885_RAW_BITS_YUV_CAPTURE = 0x01,
109 CX23885_RAW_BITS_PCM_CAPTURE = 0x02,
110 CX23885_RAW_BITS_VBI_CAPTURE = 0x04,
111 CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
112 CX23885_RAW_BITS_TO_HOST_CAPTURE = 0x10
113 };
114 enum cx23885_capture_end {
115 CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
116 CX23885_END_NOW, /* stop immediately, no irq */
117 };
118 enum cx23885_framerate {
119 CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
120 CX23885_FRAMERATE_PAL_25 /* PAL: 25fps */
121 };
122 enum cx23885_stream_port {
123 CX23885_OUTPUT_PORT_MEMORY,
124 CX23885_OUTPUT_PORT_STREAMING,
125 CX23885_OUTPUT_PORT_SERIAL
126 };
127 enum cx23885_data_xfer_status {
128 CX23885_MORE_BUFFERS_FOLLOW,
129 CX23885_LAST_BUFFER,
130 };
131 enum cx23885_picture_mask {
132 CX23885_PICTURE_MASK_NONE,
133 CX23885_PICTURE_MASK_I_FRAMES,
134 CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
135 CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
136 };
137 enum cx23885_vbi_mode_bits {
138 CX23885_VBI_BITS_SLICED,
139 CX23885_VBI_BITS_RAW,
140 };
141 enum cx23885_vbi_insertion_bits {
142 CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
143 CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
144 CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
145 CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
146 CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
147 };
148 enum cx23885_dma_unit {
149 CX23885_DMA_BYTES,
150 CX23885_DMA_FRAMES,
151 };
152 enum cx23885_dma_transfer_status_bits {
153 CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
154 CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
155 CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
156 };
157 enum cx23885_pause {
158 CX23885_PAUSE_ENCODING,
159 CX23885_RESUME_ENCODING,
160 };
161 enum cx23885_copyright {
162 CX23885_COPYRIGHT_OFF,
163 CX23885_COPYRIGHT_ON,
164 };
165 enum cx23885_notification_type {
166 CX23885_NOTIFICATION_REFRESH,
167 };
168 enum cx23885_notification_status {
169 CX23885_NOTIFICATION_OFF,
170 CX23885_NOTIFICATION_ON,
171 };
172 enum cx23885_notification_mailbox {
173 CX23885_NOTIFICATION_NO_MAILBOX = -1,
174 };
175 enum cx23885_field1_lines {
176 CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
177 CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
178 CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
179 };
180 enum cx23885_field2_lines {
181 CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
182 CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
183 CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
184 };
185 enum cx23885_custom_data_type {
186 CX23885_CUSTOM_EXTENSION_USR_DATA,
187 CX23885_CUSTOM_PRIVATE_PACKET,
188 };
189 enum cx23885_mute {
190 CX23885_UNMUTE,
191 CX23885_MUTE,
192 };
193 enum cx23885_mute_video_mask {
194 CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
195 CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
196 CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
197 };
198 enum cx23885_mute_video_shift {
199 CX23885_MUTE_VIDEO_V_SHIFT = 8,
200 CX23885_MUTE_VIDEO_U_SHIFT = 16,
201 CX23885_MUTE_VIDEO_Y_SHIFT = 24,
202 };
203
204 /* defines below are from ivtv-driver.h */
205 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
206
207 /* Firmware API commands */
208 #define IVTV_API_STD_TIMEOUT 500
209
210 /* Registers */
211 /* IVTV_REG_OFFSET */
212 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
213 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
214 #define IVTV_REG_SPU (0x9050)
215 #define IVTV_REG_HW_BLOCKS (0x9054)
216 #define IVTV_REG_VPU (0x9058)
217 #define IVTV_REG_APU (0xA064)
218
219 /**** Bit definitions for MC417_RWD and MC417_OEN registers ***
220 bits 31-16
221 +-----------+
222 | Reserved |
223 +-----------+
224 bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
225 +-------+-------+-------+-------+-------+-------+-------+-------+
226 | MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
227 +-------+-------+-------+-------+-------+-------+-------+-------+
228 bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
229 +-------+-------+-------+-------+-------+-------+-------+-------+
230 |MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
231 +-------+-------+-------+-------+-------+-------+-------+-------+
232 ***/
233 #define MC417_MIWR 0x8000
234 #define MC417_MIRD 0x4000
235 #define MC417_MICS 0x2000
236 #define MC417_MIRDY 0x1000
237 #define MC417_MIADDR 0x0F00
238 #define MC417_MIDATA 0x00FF
239
240 /* MIADDR* nibble definitions */
241 #define MCI_MEMORY_DATA_BYTE0 0x000
242 #define MCI_MEMORY_DATA_BYTE1 0x100
243 #define MCI_MEMORY_DATA_BYTE2 0x200
244 #define MCI_MEMORY_DATA_BYTE3 0x300
245 #define MCI_MEMORY_ADDRESS_BYTE2 0x400
246 #define MCI_MEMORY_ADDRESS_BYTE1 0x500
247 #define MCI_MEMORY_ADDRESS_BYTE0 0x600
248 #define MCI_REGISTER_DATA_BYTE0 0x800
249 #define MCI_REGISTER_DATA_BYTE1 0x900
250 #define MCI_REGISTER_DATA_BYTE2 0xA00
251 #define MCI_REGISTER_DATA_BYTE3 0xB00
252 #define MCI_REGISTER_ADDRESS_BYTE0 0xC00
253 #define MCI_REGISTER_ADDRESS_BYTE1 0xD00
254 #define MCI_REGISTER_MODE 0xE00
255
256 /* Read and write modes */
257 #define MCI_MODE_REGISTER_READ 0
258 #define MCI_MODE_REGISTER_WRITE 1
259 #define MCI_MODE_MEMORY_READ 0
260 #define MCI_MODE_MEMORY_WRITE 0x40
261
262 /*** Bit definitions for MC417_CTL register ****
263 bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0
264 +--------+-------------+--------+--------------+------------+
265 |Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
266 +--------+-------------+--------+--------------+------------+
267 ***/
268 #define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030)
269 #define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006)
270 #define MC417_UART_GPIO_EN 0x00000001
271
272 /* Values for speed control */
273 #define MC417_SPD_CTL_SLOW 0x1
274 #define MC417_SPD_CTL_MEDIUM 0x0
275 #define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */
276
277 /* Values for GPIO select */
278 #define MC417_GPIO_SEL_GPIO3 0x3
279 #define MC417_GPIO_SEL_GPIO2 0x2
280 #define MC417_GPIO_SEL_GPIO1 0x1
281 #define MC417_GPIO_SEL_GPIO0 0x0
282
cx23885_mc417_init(struct cx23885_dev * dev)283 void cx23885_mc417_init(struct cx23885_dev *dev)
284 {
285 u32 regval;
286
287 dprintk(2, "%s()\n", __func__);
288
289 /* Configure MC417_CTL register to defaults. */
290 regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST) |
291 MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3) |
292 MC417_UART_GPIO_EN;
293 cx_write(MC417_CTL, regval);
294
295 /* Configure MC417_OEN to defaults. */
296 regval = MC417_MIRDY;
297 cx_write(MC417_OEN, regval);
298
299 /* Configure MC417_RWD to defaults. */
300 regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
301 cx_write(MC417_RWD, regval);
302 }
303
mc417_wait_ready(struct cx23885_dev * dev)304 static int mc417_wait_ready(struct cx23885_dev *dev)
305 {
306 u32 mi_ready;
307 unsigned long timeout = jiffies + msecs_to_jiffies(1);
308
309 for (;;) {
310 mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
311 if (mi_ready != 0)
312 return 0;
313 if (time_after(jiffies, timeout))
314 return -1;
315 udelay(1);
316 }
317 }
318
mc417_register_write(struct cx23885_dev * dev,u16 address,u32 value)319 static int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
320 {
321 u32 regval;
322
323 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
324 * which is an input.
325 */
326 cx_write(MC417_OEN, MC417_MIRDY);
327
328 /* Write data byte 0 */
329 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
330 (value & 0x000000FF);
331 cx_write(MC417_RWD, regval);
332
333 /* Transition CS/WR to effect write transaction across bus. */
334 regval |= MC417_MICS | MC417_MIWR;
335 cx_write(MC417_RWD, regval);
336
337 /* Write data byte 1 */
338 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
339 ((value >> 8) & 0x000000FF);
340 cx_write(MC417_RWD, regval);
341 regval |= MC417_MICS | MC417_MIWR;
342 cx_write(MC417_RWD, regval);
343
344 /* Write data byte 2 */
345 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
346 ((value >> 16) & 0x000000FF);
347 cx_write(MC417_RWD, regval);
348 regval |= MC417_MICS | MC417_MIWR;
349 cx_write(MC417_RWD, regval);
350
351 /* Write data byte 3 */
352 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
353 ((value >> 24) & 0x000000FF);
354 cx_write(MC417_RWD, regval);
355 regval |= MC417_MICS | MC417_MIWR;
356 cx_write(MC417_RWD, regval);
357
358 /* Write address byte 0 */
359 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
360 (address & 0xFF);
361 cx_write(MC417_RWD, regval);
362 regval |= MC417_MICS | MC417_MIWR;
363 cx_write(MC417_RWD, regval);
364
365 /* Write address byte 1 */
366 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
367 ((address >> 8) & 0xFF);
368 cx_write(MC417_RWD, regval);
369 regval |= MC417_MICS | MC417_MIWR;
370 cx_write(MC417_RWD, regval);
371
372 /* Indicate that this is a write. */
373 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
374 MCI_MODE_REGISTER_WRITE;
375 cx_write(MC417_RWD, regval);
376 regval |= MC417_MICS | MC417_MIWR;
377 cx_write(MC417_RWD, regval);
378
379 /* Wait for the trans to complete (MC417_MIRDY asserted). */
380 return mc417_wait_ready(dev);
381 }
382
mc417_register_read(struct cx23885_dev * dev,u16 address,u32 * value)383 static int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
384 {
385 int retval;
386 u32 regval;
387 u32 tempval;
388 u32 dataval;
389
390 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
391 * which is an input.
392 */
393 cx_write(MC417_OEN, MC417_MIRDY);
394
395 /* Write address byte 0 */
396 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
397 ((address & 0x00FF));
398 cx_write(MC417_RWD, regval);
399 regval |= MC417_MICS | MC417_MIWR;
400 cx_write(MC417_RWD, regval);
401
402 /* Write address byte 1 */
403 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
404 ((address >> 8) & 0xFF);
405 cx_write(MC417_RWD, regval);
406 regval |= MC417_MICS | MC417_MIWR;
407 cx_write(MC417_RWD, regval);
408
409 /* Indicate that this is a register read. */
410 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
411 MCI_MODE_REGISTER_READ;
412 cx_write(MC417_RWD, regval);
413 regval |= MC417_MICS | MC417_MIWR;
414 cx_write(MC417_RWD, regval);
415
416 /* Wait for the trans to complete (MC417_MIRDY asserted). */
417 retval = mc417_wait_ready(dev);
418
419 /* switch the DAT0-7 GPIO[10:3] to input mode */
420 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
421
422 /* Read data byte 0 */
423 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
424 cx_write(MC417_RWD, regval);
425
426 /* Transition RD to effect read transaction across bus.
427 * Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
428 * Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
429 * input only...)
430 */
431 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
432 cx_write(MC417_RWD, regval);
433
434 /* Collect byte */
435 tempval = cx_read(MC417_RWD);
436 dataval = tempval & 0x000000FF;
437
438 /* Bring CS and RD high. */
439 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
440 cx_write(MC417_RWD, regval);
441
442 /* Read data byte 1 */
443 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
444 cx_write(MC417_RWD, regval);
445 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
446 cx_write(MC417_RWD, regval);
447 tempval = cx_read(MC417_RWD);
448 dataval |= ((tempval & 0x000000FF) << 8);
449 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
450 cx_write(MC417_RWD, regval);
451
452 /* Read data byte 2 */
453 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
454 cx_write(MC417_RWD, regval);
455 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
456 cx_write(MC417_RWD, regval);
457 tempval = cx_read(MC417_RWD);
458 dataval |= ((tempval & 0x000000FF) << 16);
459 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
460 cx_write(MC417_RWD, regval);
461
462 /* Read data byte 3 */
463 regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
464 cx_write(MC417_RWD, regval);
465 regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
466 cx_write(MC417_RWD, regval);
467 tempval = cx_read(MC417_RWD);
468 dataval |= ((tempval & 0x000000FF) << 24);
469 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
470 cx_write(MC417_RWD, regval);
471
472 *value = dataval;
473
474 return retval;
475 }
476
mc417_memory_write(struct cx23885_dev * dev,u32 address,u32 value)477 int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
478 {
479 u32 regval;
480
481 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
482 * which is an input.
483 */
484 cx_write(MC417_OEN, MC417_MIRDY);
485
486 /* Write data byte 0 */
487 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
488 (value & 0x000000FF);
489 cx_write(MC417_RWD, regval);
490
491 /* Transition CS/WR to effect write transaction across bus. */
492 regval |= MC417_MICS | MC417_MIWR;
493 cx_write(MC417_RWD, regval);
494
495 /* Write data byte 1 */
496 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
497 ((value >> 8) & 0x000000FF);
498 cx_write(MC417_RWD, regval);
499 regval |= MC417_MICS | MC417_MIWR;
500 cx_write(MC417_RWD, regval);
501
502 /* Write data byte 2 */
503 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
504 ((value >> 16) & 0x000000FF);
505 cx_write(MC417_RWD, regval);
506 regval |= MC417_MICS | MC417_MIWR;
507 cx_write(MC417_RWD, regval);
508
509 /* Write data byte 3 */
510 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
511 ((value >> 24) & 0x000000FF);
512 cx_write(MC417_RWD, regval);
513 regval |= MC417_MICS | MC417_MIWR;
514 cx_write(MC417_RWD, regval);
515
516 /* Write address byte 2 */
517 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
518 MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
519 cx_write(MC417_RWD, regval);
520 regval |= MC417_MICS | MC417_MIWR;
521 cx_write(MC417_RWD, regval);
522
523 /* Write address byte 1 */
524 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
525 ((address >> 8) & 0xFF);
526 cx_write(MC417_RWD, regval);
527 regval |= MC417_MICS | MC417_MIWR;
528 cx_write(MC417_RWD, regval);
529
530 /* Write address byte 0 */
531 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
532 (address & 0xFF);
533 cx_write(MC417_RWD, regval);
534 regval |= MC417_MICS | MC417_MIWR;
535 cx_write(MC417_RWD, regval);
536
537 /* Wait for the trans to complete (MC417_MIRDY asserted). */
538 return mc417_wait_ready(dev);
539 }
540
mc417_memory_read(struct cx23885_dev * dev,u32 address,u32 * value)541 int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
542 {
543 int retval;
544 u32 regval;
545 u32 tempval;
546 u32 dataval;
547
548 /* Enable MC417 GPIO outputs except for MC417_MIRDY,
549 * which is an input.
550 */
551 cx_write(MC417_OEN, MC417_MIRDY);
552
553 /* Write address byte 2 */
554 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
555 MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
556 cx_write(MC417_RWD, regval);
557 regval |= MC417_MICS | MC417_MIWR;
558 cx_write(MC417_RWD, regval);
559
560 /* Write address byte 1 */
561 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
562 ((address >> 8) & 0xFF);
563 cx_write(MC417_RWD, regval);
564 regval |= MC417_MICS | MC417_MIWR;
565 cx_write(MC417_RWD, regval);
566
567 /* Write address byte 0 */
568 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
569 (address & 0xFF);
570 cx_write(MC417_RWD, regval);
571 regval |= MC417_MICS | MC417_MIWR;
572 cx_write(MC417_RWD, regval);
573
574 /* Wait for the trans to complete (MC417_MIRDY asserted). */
575 retval = mc417_wait_ready(dev);
576
577 /* switch the DAT0-7 GPIO[10:3] to input mode */
578 cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
579
580 /* Read data byte 3 */
581 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
582 cx_write(MC417_RWD, regval);
583
584 /* Transition RD to effect read transaction across bus. */
585 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
586 cx_write(MC417_RWD, regval);
587
588 /* Collect byte */
589 tempval = cx_read(MC417_RWD);
590 dataval = ((tempval & 0x000000FF) << 24);
591
592 /* Bring CS and RD high. */
593 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
594 cx_write(MC417_RWD, regval);
595
596 /* Read data byte 2 */
597 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
598 cx_write(MC417_RWD, regval);
599 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
600 cx_write(MC417_RWD, regval);
601 tempval = cx_read(MC417_RWD);
602 dataval |= ((tempval & 0x000000FF) << 16);
603 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
604 cx_write(MC417_RWD, regval);
605
606 /* Read data byte 1 */
607 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
608 cx_write(MC417_RWD, regval);
609 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
610 cx_write(MC417_RWD, regval);
611 tempval = cx_read(MC417_RWD);
612 dataval |= ((tempval & 0x000000FF) << 8);
613 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
614 cx_write(MC417_RWD, regval);
615
616 /* Read data byte 0 */
617 regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
618 cx_write(MC417_RWD, regval);
619 regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
620 cx_write(MC417_RWD, regval);
621 tempval = cx_read(MC417_RWD);
622 dataval |= (tempval & 0x000000FF);
623 regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
624 cx_write(MC417_RWD, regval);
625
626 *value = dataval;
627
628 return retval;
629 }
630
631 /* ------------------------------------------------------------------ */
632
633 /* MPEG encoder API */
cmd_to_str(int cmd)634 static char *cmd_to_str(int cmd)
635 {
636 switch (cmd) {
637 case CX2341X_ENC_PING_FW:
638 return "PING_FW";
639 case CX2341X_ENC_START_CAPTURE:
640 return "START_CAPTURE";
641 case CX2341X_ENC_STOP_CAPTURE:
642 return "STOP_CAPTURE";
643 case CX2341X_ENC_SET_AUDIO_ID:
644 return "SET_AUDIO_ID";
645 case CX2341X_ENC_SET_VIDEO_ID:
646 return "SET_VIDEO_ID";
647 case CX2341X_ENC_SET_PCR_ID:
648 return "SET_PCR_PID";
649 case CX2341X_ENC_SET_FRAME_RATE:
650 return "SET_FRAME_RATE";
651 case CX2341X_ENC_SET_FRAME_SIZE:
652 return "SET_FRAME_SIZE";
653 case CX2341X_ENC_SET_BIT_RATE:
654 return "SET_BIT_RATE";
655 case CX2341X_ENC_SET_GOP_PROPERTIES:
656 return "SET_GOP_PROPERTIES";
657 case CX2341X_ENC_SET_ASPECT_RATIO:
658 return "SET_ASPECT_RATIO";
659 case CX2341X_ENC_SET_DNR_FILTER_MODE:
660 return "SET_DNR_FILTER_PROPS";
661 case CX2341X_ENC_SET_DNR_FILTER_PROPS:
662 return "SET_DNR_FILTER_PROPS";
663 case CX2341X_ENC_SET_CORING_LEVELS:
664 return "SET_CORING_LEVELS";
665 case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
666 return "SET_SPATIAL_FILTER_TYPE";
667 case CX2341X_ENC_SET_VBI_LINE:
668 return "SET_VBI_LINE";
669 case CX2341X_ENC_SET_STREAM_TYPE:
670 return "SET_STREAM_TYPE";
671 case CX2341X_ENC_SET_OUTPUT_PORT:
672 return "SET_OUTPUT_PORT";
673 case CX2341X_ENC_SET_AUDIO_PROPERTIES:
674 return "SET_AUDIO_PROPERTIES";
675 case CX2341X_ENC_HALT_FW:
676 return "HALT_FW";
677 case CX2341X_ENC_GET_VERSION:
678 return "GET_VERSION";
679 case CX2341X_ENC_SET_GOP_CLOSURE:
680 return "SET_GOP_CLOSURE";
681 case CX2341X_ENC_GET_SEQ_END:
682 return "GET_SEQ_END";
683 case CX2341X_ENC_SET_PGM_INDEX_INFO:
684 return "SET_PGM_INDEX_INFO";
685 case CX2341X_ENC_SET_VBI_CONFIG:
686 return "SET_VBI_CONFIG";
687 case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
688 return "SET_DMA_BLOCK_SIZE";
689 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
690 return "GET_PREV_DMA_INFO_MB_10";
691 case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
692 return "GET_PREV_DMA_INFO_MB_9";
693 case CX2341X_ENC_SCHED_DMA_TO_HOST:
694 return "SCHED_DMA_TO_HOST";
695 case CX2341X_ENC_INITIALIZE_INPUT:
696 return "INITIALIZE_INPUT";
697 case CX2341X_ENC_SET_FRAME_DROP_RATE:
698 return "SET_FRAME_DROP_RATE";
699 case CX2341X_ENC_PAUSE_ENCODER:
700 return "PAUSE_ENCODER";
701 case CX2341X_ENC_REFRESH_INPUT:
702 return "REFRESH_INPUT";
703 case CX2341X_ENC_SET_COPYRIGHT:
704 return "SET_COPYRIGHT";
705 case CX2341X_ENC_SET_EVENT_NOTIFICATION:
706 return "SET_EVENT_NOTIFICATION";
707 case CX2341X_ENC_SET_NUM_VSYNC_LINES:
708 return "SET_NUM_VSYNC_LINES";
709 case CX2341X_ENC_SET_PLACEHOLDER:
710 return "SET_PLACEHOLDER";
711 case CX2341X_ENC_MUTE_VIDEO:
712 return "MUTE_VIDEO";
713 case CX2341X_ENC_MUTE_AUDIO:
714 return "MUTE_AUDIO";
715 case CX2341X_ENC_MISC:
716 return "MISC";
717 default:
718 return "UNKNOWN";
719 }
720 }
721
cx23885_mbox_func(void * priv,u32 command,int in,int out,u32 data[CX2341X_MBOX_MAX_DATA])722 static int cx23885_mbox_func(void *priv,
723 u32 command,
724 int in,
725 int out,
726 u32 data[CX2341X_MBOX_MAX_DATA])
727 {
728 struct cx23885_dev *dev = priv;
729 unsigned long timeout;
730 u32 value, flag, retval = 0;
731 int i;
732
733 dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
734 cmd_to_str(command));
735
736 /* this may not be 100% safe if we can't read any memory location
737 without side effects */
738 mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
739 if (value != 0x12345678) {
740 printk(KERN_ERR
741 "Firmware and/or mailbox pointer not initialized "
742 "or corrupted, signature = 0x%x, cmd = %s\n", value,
743 cmd_to_str(command));
744 return -1;
745 }
746
747 /* This read looks at 32 bits, but flag is only 8 bits.
748 * Seems we also bail if CMD or TIMEOUT bytes are set???
749 */
750 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
751 if (flag) {
752 printk(KERN_ERR "ERROR: Mailbox appears to be in use "
753 "(%x), cmd = %s\n", flag, cmd_to_str(command));
754 return -1;
755 }
756
757 flag |= 1; /* tell 'em we're working on it */
758 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
759
760 /* write command + args + fill remaining with zeros */
761 /* command code */
762 mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
763 mc417_memory_write(dev, dev->cx23417_mailbox + 3,
764 IVTV_API_STD_TIMEOUT); /* timeout */
765 for (i = 0; i < in; i++) {
766 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
767 dprintk(3, "API Input %d = %d\n", i, data[i]);
768 }
769 for (; i < CX2341X_MBOX_MAX_DATA; i++)
770 mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
771
772 flag |= 3; /* tell 'em we're done writing */
773 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
774
775 /* wait for firmware to handle the API command */
776 timeout = jiffies + msecs_to_jiffies(10);
777 for (;;) {
778 mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
779 if (0 != (flag & 4))
780 break;
781 if (time_after(jiffies, timeout)) {
782 printk(KERN_ERR "ERROR: API Mailbox timeout\n");
783 return -1;
784 }
785 udelay(10);
786 }
787
788 /* read output values */
789 for (i = 0; i < out; i++) {
790 mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
791 dprintk(3, "API Output %d = %d\n", i, data[i]);
792 }
793
794 mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
795 dprintk(3, "API result = %d\n", retval);
796
797 flag = 0;
798 mc417_memory_write(dev, dev->cx23417_mailbox, flag);
799
800 return retval;
801 }
802
803 /* We don't need to call the API often, so using just one
804 * mailbox will probably suffice
805 */
cx23885_api_cmd(struct cx23885_dev * dev,u32 command,u32 inputcnt,u32 outputcnt,...)806 static int cx23885_api_cmd(struct cx23885_dev *dev,
807 u32 command,
808 u32 inputcnt,
809 u32 outputcnt,
810 ...)
811 {
812 u32 data[CX2341X_MBOX_MAX_DATA];
813 va_list vargs;
814 int i, err;
815
816 dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
817
818 va_start(vargs, outputcnt);
819 for (i = 0; i < inputcnt; i++)
820 data[i] = va_arg(vargs, int);
821
822 err = cx23885_mbox_func(dev, command, inputcnt, outputcnt, data);
823 for (i = 0; i < outputcnt; i++) {
824 int *vptr = va_arg(vargs, int *);
825 *vptr = data[i];
826 }
827 va_end(vargs);
828
829 return err;
830 }
831
cx23885_find_mailbox(struct cx23885_dev * dev)832 static int cx23885_find_mailbox(struct cx23885_dev *dev)
833 {
834 u32 signature[4] = {
835 0x12345678, 0x34567812, 0x56781234, 0x78123456
836 };
837 int signaturecnt = 0;
838 u32 value;
839 int i;
840
841 dprintk(2, "%s()\n", __func__);
842
843 for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
844 mc417_memory_read(dev, i, &value);
845 if (value == signature[signaturecnt])
846 signaturecnt++;
847 else
848 signaturecnt = 0;
849 if (4 == signaturecnt) {
850 dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
851 return i+1;
852 }
853 }
854 printk(KERN_ERR "Mailbox signature values not found!\n");
855 return -1;
856 }
857
cx23885_load_firmware(struct cx23885_dev * dev)858 static int cx23885_load_firmware(struct cx23885_dev *dev)
859 {
860 static const unsigned char magic[8] = {
861 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
862 };
863 const struct firmware *firmware;
864 int i, retval = 0;
865 u32 value = 0;
866 u32 gpio_output = 0;
867 u32 checksum = 0;
868 u32 *dataptr;
869
870 dprintk(2, "%s()\n", __func__);
871
872 /* Save GPIO settings before reset of APU */
873 retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
874 retval |= mc417_memory_read(dev, 0x900C, &value);
875
876 retval = mc417_register_write(dev,
877 IVTV_REG_VPU, 0xFFFFFFED);
878 retval |= mc417_register_write(dev,
879 IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
880 retval |= mc417_register_write(dev,
881 IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
882 retval |= mc417_register_write(dev,
883 IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
884 retval |= mc417_register_write(dev,
885 IVTV_REG_APU, 0);
886
887 if (retval != 0) {
888 printk(KERN_ERR "%s: Error with mc417_register_write\n",
889 __func__);
890 return -1;
891 }
892
893 retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
894 &dev->pci->dev);
895
896 if (retval != 0) {
897 printk(KERN_ERR
898 "ERROR: Hotplug firmware request failed (%s).\n",
899 CX2341X_FIRM_ENC_FILENAME);
900 printk(KERN_ERR "Please fix your hotplug setup, the board will "
901 "not work without firmware loaded!\n");
902 return -1;
903 }
904
905 if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
906 printk(KERN_ERR "ERROR: Firmware size mismatch "
907 "(have %zd, expected %d)\n",
908 firmware->size, CX23885_FIRM_IMAGE_SIZE);
909 release_firmware(firmware);
910 return -1;
911 }
912
913 if (0 != memcmp(firmware->data, magic, 8)) {
914 printk(KERN_ERR
915 "ERROR: Firmware magic mismatch, wrong file?\n");
916 release_firmware(firmware);
917 return -1;
918 }
919
920 /* transfer to the chip */
921 dprintk(2, "Loading firmware ...\n");
922 dataptr = (u32 *)firmware->data;
923 for (i = 0; i < (firmware->size >> 2); i++) {
924 value = *dataptr;
925 checksum += ~value;
926 if (mc417_memory_write(dev, i, value) != 0) {
927 printk(KERN_ERR "ERROR: Loading firmware failed!\n");
928 release_firmware(firmware);
929 return -1;
930 }
931 dataptr++;
932 }
933
934 /* read back to verify with the checksum */
935 dprintk(1, "Verifying firmware ...\n");
936 for (i--; i >= 0; i--) {
937 if (mc417_memory_read(dev, i, &value) != 0) {
938 printk(KERN_ERR "ERROR: Reading firmware failed!\n");
939 release_firmware(firmware);
940 return -1;
941 }
942 checksum -= ~value;
943 }
944 if (checksum) {
945 printk(KERN_ERR
946 "ERROR: Firmware load failed (checksum mismatch).\n");
947 release_firmware(firmware);
948 return -1;
949 }
950 release_firmware(firmware);
951 dprintk(1, "Firmware upload successful.\n");
952
953 retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
954 IVTV_CMD_HW_BLOCKS_RST);
955
956 /* Restore GPIO settings, make sure EIO14 is enabled as an output. */
957 dprintk(2, "%s: GPIO output EIO 0-15 was = 0x%x\n",
958 __func__, gpio_output);
959 /* Power-up seems to have GPIOs AFU. This was causing digital side
960 * to fail at power-up. Seems GPIOs should be set to 0x10ff0411 at
961 * power-up.
962 * gpio_output |= (1<<14);
963 */
964 /* Note: GPIO14 is specific to the HVR1800 here */
965 gpio_output = 0x10ff0411 | (1<<14);
966 retval |= mc417_register_write(dev, 0x9020, gpio_output | (1<<14));
967 dprintk(2, "%s: GPIO output EIO 0-15 now = 0x%x\n",
968 __func__, gpio_output);
969
970 dprintk(1, "%s: GPIO value EIO 0-15 was = 0x%x\n",
971 __func__, value);
972 value |= (1<<14);
973 dprintk(1, "%s: GPIO value EIO 0-15 now = 0x%x\n",
974 __func__, value);
975 retval |= mc417_register_write(dev, 0x900C, value);
976
977 retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
978 retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
979
980 if (retval < 0)
981 printk(KERN_ERR "%s: Error with mc417_register_write\n",
982 __func__);
983 return 0;
984 }
985
cx23885_417_check_encoder(struct cx23885_dev * dev)986 void cx23885_417_check_encoder(struct cx23885_dev *dev)
987 {
988 u32 status, seq;
989
990 status = seq = 0;
991 cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
992 dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
993 }
994
cx23885_codec_settings(struct cx23885_dev * dev)995 static void cx23885_codec_settings(struct cx23885_dev *dev)
996 {
997 dprintk(1, "%s()\n", __func__);
998
999 /* assign frame size */
1000 cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1001 dev->ts1.height, dev->ts1.width);
1002
1003 dev->mpeg_params.width = dev->ts1.width;
1004 dev->mpeg_params.height = dev->ts1.height;
1005 dev->mpeg_params.is_50hz =
1006 (dev->encodernorm.id & V4L2_STD_625_50) != 0;
1007
1008 cx2341x_update(dev, cx23885_mbox_func, NULL, &dev->mpeg_params);
1009
1010 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1011 cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1012 }
1013
cx23885_initialize_codec(struct cx23885_dev * dev)1014 static int cx23885_initialize_codec(struct cx23885_dev *dev)
1015 {
1016 int version;
1017 int retval;
1018 u32 i, data[7];
1019
1020 dprintk(1, "%s()\n", __func__);
1021
1022 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1023 if (retval < 0) {
1024 dprintk(2, "%s() PING OK\n", __func__);
1025 retval = cx23885_load_firmware(dev);
1026 if (retval < 0) {
1027 printk(KERN_ERR "%s() f/w load failed\n", __func__);
1028 return retval;
1029 }
1030 retval = cx23885_find_mailbox(dev);
1031 if (retval < 0) {
1032 printk(KERN_ERR "%s() mailbox < 0, error\n",
1033 __func__);
1034 return -1;
1035 }
1036 dev->cx23417_mailbox = retval;
1037 retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1038 if (retval < 0) {
1039 printk(KERN_ERR
1040 "ERROR: cx23417 firmware ping failed!\n");
1041 return -1;
1042 }
1043 retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1044 &version);
1045 if (retval < 0) {
1046 printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
1047 "version failed!\n");
1048 return -1;
1049 }
1050 dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1051 msleep(200);
1052 }
1053
1054 cx23885_codec_settings(dev);
1055 msleep(60);
1056
1057 cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1058 CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
1059 cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1060 CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1061 0, 0);
1062
1063 /* Setup to capture VBI */
1064 data[0] = 0x0001BD00;
1065 data[1] = 1; /* frames per interrupt */
1066 data[2] = 4; /* total bufs */
1067 data[3] = 0x91559155; /* start codes */
1068 data[4] = 0x206080C0; /* stop codes */
1069 data[5] = 6; /* lines */
1070 data[6] = 64; /* BPL */
1071
1072 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1073 data[2], data[3], data[4], data[5], data[6]);
1074
1075 for (i = 2; i <= 24; i++) {
1076 int valid;
1077
1078 valid = ((i >= 19) && (i <= 21));
1079 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1080 valid, 0 , 0, 0);
1081 cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1082 i | 0x80000000, valid, 0, 0, 0);
1083 }
1084
1085 cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
1086 msleep(60);
1087
1088 /* initialize the video input */
1089 cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1090 msleep(60);
1091
1092 /* Enable VIP style pixel invalidation so we work with scaled mode */
1093 mc417_memory_write(dev, 2120, 0x00000080);
1094
1095 /* start capturing to the host interface */
1096 cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1097 CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
1098 msleep(10);
1099
1100 return 0;
1101 }
1102
1103 /* ------------------------------------------------------------------ */
1104
bb_buf_setup(struct videobuf_queue * q,unsigned int * count,unsigned int * size)1105 static int bb_buf_setup(struct videobuf_queue *q,
1106 unsigned int *count, unsigned int *size)
1107 {
1108 struct cx23885_fh *fh = q->priv_data;
1109
1110 fh->dev->ts1.ts_packet_size = mpeglinesize;
1111 fh->dev->ts1.ts_packet_count = mpeglines;
1112
1113 *size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1114 *count = mpegbufs;
1115
1116 return 0;
1117 }
1118
bb_buf_prepare(struct videobuf_queue * q,struct videobuf_buffer * vb,enum v4l2_field field)1119 static int bb_buf_prepare(struct videobuf_queue *q,
1120 struct videobuf_buffer *vb, enum v4l2_field field)
1121 {
1122 struct cx23885_fh *fh = q->priv_data;
1123 return cx23885_buf_prepare(q, &fh->dev->ts1,
1124 (struct cx23885_buffer *)vb,
1125 field);
1126 }
1127
bb_buf_queue(struct videobuf_queue * q,struct videobuf_buffer * vb)1128 static void bb_buf_queue(struct videobuf_queue *q,
1129 struct videobuf_buffer *vb)
1130 {
1131 struct cx23885_fh *fh = q->priv_data;
1132 cx23885_buf_queue(&fh->dev->ts1, (struct cx23885_buffer *)vb);
1133 }
1134
bb_buf_release(struct videobuf_queue * q,struct videobuf_buffer * vb)1135 static void bb_buf_release(struct videobuf_queue *q,
1136 struct videobuf_buffer *vb)
1137 {
1138 cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
1139 }
1140
1141 static struct videobuf_queue_ops cx23885_qops = {
1142 .buf_setup = bb_buf_setup,
1143 .buf_prepare = bb_buf_prepare,
1144 .buf_queue = bb_buf_queue,
1145 .buf_release = bb_buf_release,
1146 };
1147
1148 /* ------------------------------------------------------------------ */
1149
1150 static const u32 *ctrl_classes[] = {
1151 cx2341x_mpeg_ctrls,
1152 NULL
1153 };
1154
cx23885_queryctrl(struct cx23885_dev * dev,struct v4l2_queryctrl * qctrl)1155 static int cx23885_queryctrl(struct cx23885_dev *dev,
1156 struct v4l2_queryctrl *qctrl)
1157 {
1158 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1159 if (qctrl->id == 0)
1160 return -EINVAL;
1161
1162 /* MPEG V4L2 controls */
1163 if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl))
1164 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
1165
1166 return 0;
1167 }
1168
cx23885_querymenu(struct cx23885_dev * dev,struct v4l2_querymenu * qmenu)1169 static int cx23885_querymenu(struct cx23885_dev *dev,
1170 struct v4l2_querymenu *qmenu)
1171 {
1172 struct v4l2_queryctrl qctrl;
1173
1174 qctrl.id = qmenu->id;
1175 cx23885_queryctrl(dev, &qctrl);
1176 return v4l2_ctrl_query_menu(qmenu, &qctrl,
1177 cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id));
1178 }
1179
vidioc_s_std(struct file * file,void * priv,v4l2_std_id * id)1180 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
1181 {
1182 struct cx23885_fh *fh = file->private_data;
1183 struct cx23885_dev *dev = fh->dev;
1184 unsigned int i;
1185
1186 for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
1187 if (*id & cx23885_tvnorms[i].id)
1188 break;
1189 if (i == ARRAY_SIZE(cx23885_tvnorms))
1190 return -EINVAL;
1191 dev->encodernorm = cx23885_tvnorms[i];
1192 return 0;
1193 }
1194
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)1195 static int vidioc_enum_input(struct file *file, void *priv,
1196 struct v4l2_input *i)
1197 {
1198 struct cx23885_fh *fh = file->private_data;
1199 struct cx23885_dev *dev = fh->dev;
1200 struct cx23885_input *input;
1201 unsigned int n;
1202
1203 n = i->index;
1204
1205 if (n >= 4)
1206 return -EINVAL;
1207
1208 input = &cx23885_boards[dev->board].input[n];
1209
1210 if (input->type == 0)
1211 return -EINVAL;
1212
1213 memset(i, 0, sizeof(*i));
1214 i->index = n;
1215
1216 /* FIXME
1217 * strcpy(i->name, input->name); */
1218 strcpy(i->name, "unset");
1219
1220 if (input->type == CX23885_VMUX_TELEVISION ||
1221 input->type == CX23885_VMUX_CABLE)
1222 i->type = V4L2_INPUT_TYPE_TUNER;
1223 else
1224 i->type = V4L2_INPUT_TYPE_CAMERA;
1225
1226 for (n = 0; n < ARRAY_SIZE(cx23885_tvnorms); n++)
1227 i->std |= cx23885_tvnorms[n].id;
1228 return 0;
1229 }
1230
vidioc_g_input(struct file * file,void * priv,unsigned int * i)1231 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1232 {
1233 struct cx23885_fh *fh = file->private_data;
1234 struct cx23885_dev *dev = fh->dev;
1235
1236 *i = dev->input;
1237 return 0;
1238 }
1239
vidioc_s_input(struct file * file,void * priv,unsigned int i)1240 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1241 {
1242 if (i >= 4)
1243 return -EINVAL;
1244
1245 return 0;
1246 }
1247
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1248 static int vidioc_g_tuner(struct file *file, void *priv,
1249 struct v4l2_tuner *t)
1250 {
1251 struct cx23885_fh *fh = file->private_data;
1252 struct cx23885_dev *dev = fh->dev;
1253
1254 if (UNSET == dev->tuner_type)
1255 return -EINVAL;
1256 if (0 != t->index)
1257 return -EINVAL;
1258 memset(t, 0, sizeof(*t));
1259 strcpy(t->name, "Television");
1260 cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_G_TUNER, t);
1261 cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_TUNER, t);
1262
1263 dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
1264
1265 return 0;
1266 }
1267
vidioc_s_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1268 static int vidioc_s_tuner(struct file *file, void *priv,
1269 struct v4l2_tuner *t)
1270 {
1271 struct cx23885_fh *fh = file->private_data;
1272 struct cx23885_dev *dev = fh->dev;
1273
1274 if (UNSET == dev->tuner_type)
1275 return -EINVAL;
1276
1277 /* Update the A/V core */
1278 cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_TUNER, t);
1279
1280 return 0;
1281 }
1282
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1283 static int vidioc_g_frequency(struct file *file, void *priv,
1284 struct v4l2_frequency *f)
1285 {
1286 struct cx23885_fh *fh = file->private_data;
1287 struct cx23885_dev *dev = fh->dev;
1288
1289 memset(f, 0, sizeof(*f));
1290 if (UNSET == dev->tuner_type)
1291 return -EINVAL;
1292 f->type = V4L2_TUNER_ANALOG_TV;
1293 f->frequency = dev->freq;
1294
1295 /* Assumption that tuner is always on bus 1 */
1296 cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_G_FREQUENCY, f);
1297
1298 return 0;
1299 }
1300
vidioc_s_frequency(struct file * file,void * priv,struct v4l2_frequency * f)1301 static int vidioc_s_frequency(struct file *file, void *priv,
1302 struct v4l2_frequency *f)
1303 {
1304 struct cx23885_fh *fh = file->private_data;
1305 struct cx23885_dev *dev = fh->dev;
1306
1307 cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1308 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1309 CX23885_RAW_BITS_NONE);
1310
1311 dprintk(1, "VIDIOC_S_FREQUENCY: dev type %d, f\n",
1312 dev->tuner_type);
1313 dprintk(1, "VIDIOC_S_FREQUENCY: f tuner %d, f type %d\n",
1314 f->tuner, f->type);
1315 if (UNSET == dev->tuner_type)
1316 return -EINVAL;
1317 if (f->tuner != 0)
1318 return -EINVAL;
1319 if (f->type != V4L2_TUNER_ANALOG_TV)
1320 return -EINVAL;
1321 dev->freq = f->frequency;
1322
1323 /* Assumption that tuner is always on bus 1 */
1324 cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_S_FREQUENCY, f);
1325
1326 cx23885_initialize_codec(dev);
1327
1328 return 0;
1329 }
1330
vidioc_s_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)1331 static int vidioc_s_ctrl(struct file *file, void *priv,
1332 struct v4l2_control *ctl)
1333 {
1334 struct cx23885_fh *fh = file->private_data;
1335 struct cx23885_dev *dev = fh->dev;
1336
1337 /* Update the A/V core */
1338 cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_S_CTRL, ctl);
1339 return 0;
1340 }
1341
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)1342 static int vidioc_querycap(struct file *file, void *priv,
1343 struct v4l2_capability *cap)
1344 {
1345 struct cx23885_fh *fh = file->private_data;
1346 struct cx23885_dev *dev = fh->dev;
1347 struct cx23885_tsport *tsport = &dev->ts1;
1348
1349 memset(cap, 0, sizeof(*cap));
1350 strcpy(cap->driver, dev->name);
1351 strlcpy(cap->card, cx23885_boards[tsport->dev->board].name,
1352 sizeof(cap->card));
1353 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
1354 cap->version = CX23885_VERSION_CODE;
1355 cap->capabilities =
1356 V4L2_CAP_VIDEO_CAPTURE |
1357 V4L2_CAP_READWRITE |
1358 V4L2_CAP_STREAMING |
1359 0;
1360 if (UNSET != dev->tuner_type)
1361 cap->capabilities |= V4L2_CAP_TUNER;
1362
1363 return 0;
1364 }
1365
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)1366 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
1367 struct v4l2_fmtdesc *f)
1368 {
1369 int index;
1370
1371 index = f->index;
1372 if (index != 0)
1373 return -EINVAL;
1374
1375 memset(f, 0, sizeof(*f));
1376 f->index = index;
1377 strlcpy(f->description, "MPEG", sizeof(f->description));
1378 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1379 f->pixelformat = V4L2_PIX_FMT_MPEG;
1380
1381 return 0;
1382 }
1383
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1384 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1385 struct v4l2_format *f)
1386 {
1387 struct cx23885_fh *fh = file->private_data;
1388 struct cx23885_dev *dev = fh->dev;
1389
1390 memset(f, 0, sizeof(*f));
1391 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1405 static 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->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1412 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1413 f->fmt.pix.bytesperline = 0;
1414 f->fmt.pix.sizeimage =
1415 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1416 f->fmt.pix.sizeimage =
1417 f->fmt.pix.colorspace = 0;
1418 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
1419 dev->ts1.width, dev->ts1.height, fh->mpegq.field);
1420 return 0;
1421 }
1422
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)1423 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1424 struct v4l2_format *f)
1425 {
1426 struct cx23885_fh *fh = file->private_data;
1427 struct cx23885_dev *dev = fh->dev;
1428
1429 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1430 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
1431 f->fmt.pix.bytesperline = 0;
1432 f->fmt.pix.sizeimage =
1433 dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1434 f->fmt.pix.colorspace = 0;
1435 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
1436 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
1437 return 0;
1438 }
1439
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * p)1440 static int vidioc_reqbufs(struct file *file, void *priv,
1441 struct v4l2_requestbuffers *p)
1442 {
1443 struct cx23885_fh *fh = file->private_data;
1444
1445 return videobuf_reqbufs(&fh->mpegq, p);
1446 }
1447
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * p)1448 static int vidioc_querybuf(struct file *file, void *priv,
1449 struct v4l2_buffer *p)
1450 {
1451 struct cx23885_fh *fh = file->private_data;
1452
1453 return videobuf_querybuf(&fh->mpegq, p);
1454 }
1455
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * p)1456 static int vidioc_qbuf(struct file *file, void *priv,
1457 struct v4l2_buffer *p)
1458 {
1459 struct cx23885_fh *fh = file->private_data;
1460
1461 return videobuf_qbuf(&fh->mpegq, p);
1462 }
1463
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * b)1464 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1465 {
1466 struct cx23885_fh *fh = priv;
1467
1468 return videobuf_dqbuf(&fh->mpegq, b, file->f_flags & O_NONBLOCK);
1469 }
1470
1471
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type i)1472 static int vidioc_streamon(struct file *file, void *priv,
1473 enum v4l2_buf_type i)
1474 {
1475 struct cx23885_fh *fh = file->private_data;
1476
1477 return videobuf_streamon(&fh->mpegq);
1478 }
1479
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type i)1480 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1481 {
1482 struct cx23885_fh *fh = file->private_data;
1483
1484 return videobuf_streamoff(&fh->mpegq);
1485 }
1486
vidioc_g_ext_ctrls(struct file * file,void * priv,struct v4l2_ext_controls * f)1487 static int vidioc_g_ext_ctrls(struct file *file, void *priv,
1488 struct v4l2_ext_controls *f)
1489 {
1490 struct cx23885_fh *fh = priv;
1491 struct cx23885_dev *dev = fh->dev;
1492
1493 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1494 return -EINVAL;
1495 return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS);
1496 }
1497
vidioc_s_ext_ctrls(struct file * file,void * priv,struct v4l2_ext_controls * f)1498 static int vidioc_s_ext_ctrls(struct file *file, void *priv,
1499 struct v4l2_ext_controls *f)
1500 {
1501 struct cx23885_fh *fh = priv;
1502 struct cx23885_dev *dev = fh->dev;
1503 struct cx2341x_mpeg_params p;
1504 int err;
1505
1506 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1507 return -EINVAL;
1508
1509 p = dev->mpeg_params;
1510 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
1511
1512 if (err == 0) {
1513 err = cx2341x_update(dev, cx23885_mbox_func,
1514 &dev->mpeg_params, &p);
1515 dev->mpeg_params = p;
1516 }
1517 return err;
1518 }
1519
vidioc_try_ext_ctrls(struct file * file,void * priv,struct v4l2_ext_controls * f)1520 static int vidioc_try_ext_ctrls(struct file *file, void *priv,
1521 struct v4l2_ext_controls *f)
1522 {
1523 struct cx23885_fh *fh = priv;
1524 struct cx23885_dev *dev = fh->dev;
1525 struct cx2341x_mpeg_params p;
1526 int err;
1527
1528 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1529 return -EINVAL;
1530
1531 p = dev->mpeg_params;
1532 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1533 return err;
1534 }
1535
vidioc_log_status(struct file * file,void * priv)1536 static int vidioc_log_status(struct file *file, void *priv)
1537 {
1538 struct cx23885_fh *fh = priv;
1539 struct cx23885_dev *dev = fh->dev;
1540 char name[32 + 2];
1541
1542 snprintf(name, sizeof(name), "%s/2", dev->name);
1543 printk(KERN_INFO
1544 "%s/2: ============ START LOG STATUS ============\n",
1545 dev->name);
1546 cx23885_call_i2c_clients(&dev->i2c_bus[0], VIDIOC_LOG_STATUS,
1547 NULL);
1548 cx23885_call_i2c_clients(&dev->i2c_bus[1], VIDIOC_LOG_STATUS,
1549 NULL);
1550 cx23885_call_i2c_clients(&dev->i2c_bus[2], VIDIOC_LOG_STATUS,
1551 NULL);
1552 cx2341x_log_status(&dev->mpeg_params, name);
1553 printk(KERN_INFO
1554 "%s/2: ============= END LOG STATUS =============\n",
1555 dev->name);
1556 return 0;
1557 }
1558
vidioc_querymenu(struct file * file,void * priv,struct v4l2_querymenu * a)1559 static int vidioc_querymenu(struct file *file, void *priv,
1560 struct v4l2_querymenu *a)
1561 {
1562 struct cx23885_fh *fh = priv;
1563 struct cx23885_dev *dev = fh->dev;
1564
1565 return cx23885_querymenu(dev, a);
1566 }
1567
vidioc_queryctrl(struct file * file,void * priv,struct v4l2_queryctrl * c)1568 static int vidioc_queryctrl(struct file *file, void *priv,
1569 struct v4l2_queryctrl *c)
1570 {
1571 struct cx23885_fh *fh = priv;
1572 struct cx23885_dev *dev = fh->dev;
1573
1574 return cx23885_queryctrl(dev, c);
1575 }
1576
mpeg_open(struct file * file)1577 static int mpeg_open(struct file *file)
1578 {
1579 int minor = video_devdata(file)->minor;
1580 struct cx23885_dev *h, *dev = NULL;
1581 struct list_head *list;
1582 struct cx23885_fh *fh;
1583
1584 dprintk(2, "%s()\n", __func__);
1585
1586 lock_kernel();
1587 list_for_each(list, &cx23885_devlist) {
1588 h = list_entry(list, struct cx23885_dev, devlist);
1589 if (h->v4l_device &&
1590 h->v4l_device->minor == minor) {
1591 dev = h;
1592 break;
1593 }
1594 }
1595
1596 if (dev == NULL) {
1597 unlock_kernel();
1598 return -ENODEV;
1599 }
1600
1601 /* allocate + initialize per filehandle data */
1602 fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1603 if (NULL == fh) {
1604 unlock_kernel();
1605 return -ENOMEM;
1606 }
1607
1608 file->private_data = fh;
1609 fh->dev = dev;
1610
1611 videobuf_queue_sg_init(&fh->mpegq, &cx23885_qops,
1612 &dev->pci->dev, &dev->ts1.slock,
1613 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1614 V4L2_FIELD_INTERLACED,
1615 sizeof(struct cx23885_buffer),
1616 fh);
1617 unlock_kernel();
1618
1619 return 0;
1620 }
1621
mpeg_release(struct file * file)1622 static int mpeg_release(struct file *file)
1623 {
1624 struct cx23885_fh *fh = file->private_data;
1625 struct cx23885_dev *dev = fh->dev;
1626
1627 dprintk(2, "%s()\n", __func__);
1628
1629 /* FIXME: Review this crap */
1630 /* Shut device down on last close */
1631 if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
1632 if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
1633 /* stop mpeg capture */
1634 cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1635 CX23885_END_NOW, CX23885_MPEG_CAPTURE,
1636 CX23885_RAW_BITS_NONE);
1637
1638 msleep(500);
1639 cx23885_417_check_encoder(dev);
1640
1641 cx23885_cancel_buffers(&fh->dev->ts1);
1642 }
1643 }
1644
1645 if (fh->mpegq.streaming)
1646 videobuf_streamoff(&fh->mpegq);
1647 if (fh->mpegq.reading)
1648 videobuf_read_stop(&fh->mpegq);
1649
1650 videobuf_mmap_free(&fh->mpegq);
1651 file->private_data = NULL;
1652 kfree(fh);
1653
1654 return 0;
1655 }
1656
mpeg_read(struct file * file,char __user * data,size_t count,loff_t * ppos)1657 static ssize_t mpeg_read(struct file *file, char __user *data,
1658 size_t count, loff_t *ppos)
1659 {
1660 struct cx23885_fh *fh = file->private_data;
1661 struct cx23885_dev *dev = fh->dev;
1662
1663 dprintk(2, "%s()\n", __func__);
1664
1665 /* Deal w/ A/V decoder * and mpeg encoder sync issues. */
1666 /* Start mpeg encoder on first read. */
1667 if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
1668 if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
1669 if (cx23885_initialize_codec(dev) < 0)
1670 return -EINVAL;
1671 }
1672 }
1673
1674 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1675 file->f_flags & O_NONBLOCK);
1676 }
1677
mpeg_poll(struct file * file,struct poll_table_struct * wait)1678 static unsigned int mpeg_poll(struct file *file,
1679 struct poll_table_struct *wait)
1680 {
1681 struct cx23885_fh *fh = file->private_data;
1682 struct cx23885_dev *dev = fh->dev;
1683
1684 dprintk(2, "%s\n", __func__);
1685
1686 return videobuf_poll_stream(file, &fh->mpegq, wait);
1687 }
1688
mpeg_mmap(struct file * file,struct vm_area_struct * vma)1689 static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
1690 {
1691 struct cx23885_fh *fh = file->private_data;
1692 struct cx23885_dev *dev = fh->dev;
1693
1694 dprintk(2, "%s()\n", __func__);
1695
1696 return videobuf_mmap_mapper(&fh->mpegq, vma);
1697 }
1698
1699 static struct v4l2_file_operations mpeg_fops = {
1700 .owner = THIS_MODULE,
1701 .open = mpeg_open,
1702 .release = mpeg_release,
1703 .read = mpeg_read,
1704 .poll = mpeg_poll,
1705 .mmap = mpeg_mmap,
1706 };
1707
1708 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1709 .vidioc_s_std = vidioc_s_std,
1710 .vidioc_enum_input = vidioc_enum_input,
1711 .vidioc_g_input = vidioc_g_input,
1712 .vidioc_s_input = vidioc_s_input,
1713 .vidioc_g_tuner = vidioc_g_tuner,
1714 .vidioc_s_tuner = vidioc_s_tuner,
1715 .vidioc_g_frequency = vidioc_g_frequency,
1716 .vidioc_s_frequency = vidioc_s_frequency,
1717 .vidioc_s_ctrl = vidioc_s_ctrl,
1718 .vidioc_querycap = vidioc_querycap,
1719 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1720 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1721 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1722 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1723 .vidioc_reqbufs = vidioc_reqbufs,
1724 .vidioc_querybuf = vidioc_querybuf,
1725 .vidioc_qbuf = vidioc_qbuf,
1726 .vidioc_dqbuf = vidioc_dqbuf,
1727 .vidioc_streamon = vidioc_streamon,
1728 .vidioc_streamoff = vidioc_streamoff,
1729 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1730 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1731 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1732 .vidioc_log_status = vidioc_log_status,
1733 .vidioc_querymenu = vidioc_querymenu,
1734 .vidioc_queryctrl = vidioc_queryctrl,
1735 };
1736
1737 static struct video_device cx23885_mpeg_template = {
1738 .name = "cx23885",
1739 .fops = &mpeg_fops,
1740 .ioctl_ops = &mpeg_ioctl_ops,
1741 .minor = -1,
1742 };
1743
cx23885_417_unregister(struct cx23885_dev * dev)1744 void cx23885_417_unregister(struct cx23885_dev *dev)
1745 {
1746 dprintk(1, "%s()\n", __func__);
1747
1748 if (dev->v4l_device) {
1749 if (-1 != dev->v4l_device->minor)
1750 video_unregister_device(dev->v4l_device);
1751 else
1752 video_device_release(dev->v4l_device);
1753 dev->v4l_device = NULL;
1754 }
1755 }
1756
cx23885_video_dev_alloc(struct cx23885_tsport * tsport,struct pci_dev * pci,struct video_device * template,char * type)1757 static struct video_device *cx23885_video_dev_alloc(
1758 struct cx23885_tsport *tsport,
1759 struct pci_dev *pci,
1760 struct video_device *template,
1761 char *type)
1762 {
1763 struct video_device *vfd;
1764 struct cx23885_dev *dev = tsport->dev;
1765
1766 dprintk(1, "%s()\n", __func__);
1767
1768 vfd = video_device_alloc();
1769 if (NULL == vfd)
1770 return NULL;
1771 *vfd = *template;
1772 vfd->minor = -1;
1773 snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
1774 type, cx23885_boards[tsport->dev->board].name);
1775 vfd->parent = &pci->dev;
1776 vfd->release = video_device_release;
1777 return vfd;
1778 }
1779
cx23885_417_register(struct cx23885_dev * dev)1780 int cx23885_417_register(struct cx23885_dev *dev)
1781 {
1782 /* FIXME: Port1 hardcoded here */
1783 int err = -ENODEV;
1784 struct cx23885_tsport *tsport = &dev->ts1;
1785
1786 dprintk(1, "%s()\n", __func__);
1787
1788 if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
1789 return err;
1790
1791 /* Set default TV standard */
1792 dev->encodernorm = cx23885_tvnorms[0];
1793
1794 if (dev->encodernorm.id & V4L2_STD_525_60)
1795 tsport->height = 480;
1796 else
1797 tsport->height = 576;
1798
1799 tsport->width = 720;
1800 cx2341x_fill_defaults(&dev->mpeg_params);
1801
1802 dev->mpeg_params.port = CX2341X_PORT_SERIAL;
1803
1804 /* Allocate and initialize V4L video device */
1805 dev->v4l_device = cx23885_video_dev_alloc(tsport,
1806 dev->pci, &cx23885_mpeg_template, "mpeg");
1807 err = video_register_device(dev->v4l_device,
1808 VFL_TYPE_GRABBER, -1);
1809 if (err < 0) {
1810 printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
1811 return err;
1812 }
1813
1814 /* Initialize MC417 registers */
1815 cx23885_mc417_init(dev);
1816
1817 printk(KERN_INFO "%s: registered device video%d [mpeg]\n",
1818 dev->name, dev->v4l_device->num);
1819
1820 return 0;
1821 }
1822