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V4L/DVB (6006): tuner: move last_div to tuner-simple private data
[wrt350n-kernel.git] / drivers / media / video / cx88 / cx88-blackbird.c
blobf2fcdb92ecce97d584f3584609c0045c7af6b4be
1 /*
2 *
3 * Support for a cx23416 mpeg encoder via cx2388x host port.
4 * "blackbird" reference design.
5 *
6 * (c) 2004 Jelle Foks <jelle@foks.8m.com>
7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8 *
9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - video_ioctl2 conversion
11 *
12 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28
29 #include <linux/module.h>
30 #include <linux/moduleparam.h>
31 #include <linux/init.h>
32 #include <linux/fs.h>
33 #include <linux/delay.h>
34 #include <linux/device.h>
35 #include <linux/firmware.h>
36 #include <media/v4l2-common.h>
37 #include <media/cx2341x.h>
38
39 #include "cx88.h"
40
41 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
42 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
43 MODULE_LICENSE("GPL");
44
45 static unsigned int mpegbufs = 32;
46 module_param(mpegbufs,int,0644);
47 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
48
49 static unsigned int debug = 0;
50 module_param(debug,int,0644);
51 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
52
53 #define dprintk(level,fmt, arg...) if (debug >= level) \
54 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
55
56
57 /* ------------------------------------------------------------------ */
58
59 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
60
61 /* defines below are from ivtv-driver.h */
62
63 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
64
65 /* Firmware API commands */
66 #define IVTV_API_STD_TIMEOUT 500
67
68 enum blackbird_capture_type {
69 BLACKBIRD_MPEG_CAPTURE,
70 BLACKBIRD_RAW_CAPTURE,
71 BLACKBIRD_RAW_PASSTHRU_CAPTURE
72 };
73 enum blackbird_capture_bits {
74 BLACKBIRD_RAW_BITS_NONE = 0x00,
75 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
76 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
77 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
78 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
79 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
80 };
81 enum blackbird_capture_end {
82 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
83 BLACKBIRD_END_NOW, /* stop immediately, no irq */
84 };
85 enum blackbird_framerate {
86 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
87 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
88 };
89 enum blackbird_stream_port {
90 BLACKBIRD_OUTPUT_PORT_MEMORY,
91 BLACKBIRD_OUTPUT_PORT_STREAMING,
92 BLACKBIRD_OUTPUT_PORT_SERIAL
93 };
94 enum blackbird_data_xfer_status {
95 BLACKBIRD_MORE_BUFFERS_FOLLOW,
96 BLACKBIRD_LAST_BUFFER,
97 };
98 enum blackbird_picture_mask {
99 BLACKBIRD_PICTURE_MASK_NONE,
100 BLACKBIRD_PICTURE_MASK_I_FRAMES,
101 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
102 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
103 };
104 enum blackbird_vbi_mode_bits {
105 BLACKBIRD_VBI_BITS_SLICED,
106 BLACKBIRD_VBI_BITS_RAW,
107 };
108 enum blackbird_vbi_insertion_bits {
109 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
110 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
113 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
114 };
115 enum blackbird_dma_unit {
116 BLACKBIRD_DMA_BYTES,
117 BLACKBIRD_DMA_FRAMES,
118 };
119 enum blackbird_dma_transfer_status_bits {
120 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
121 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
122 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
123 };
124 enum blackbird_pause {
125 BLACKBIRD_PAUSE_ENCODING,
126 BLACKBIRD_RESUME_ENCODING,
127 };
128 enum blackbird_copyright {
129 BLACKBIRD_COPYRIGHT_OFF,
130 BLACKBIRD_COPYRIGHT_ON,
131 };
132 enum blackbird_notification_type {
133 BLACKBIRD_NOTIFICATION_REFRESH,
134 };
135 enum blackbird_notification_status {
136 BLACKBIRD_NOTIFICATION_OFF,
137 BLACKBIRD_NOTIFICATION_ON,
138 };
139 enum blackbird_notification_mailbox {
140 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
141 };
142 enum blackbird_field1_lines {
143 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
144 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
145 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
146 };
147 enum blackbird_field2_lines {
148 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
149 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
150 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
151 };
152 enum blackbird_custom_data_type {
153 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
154 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
155 };
156 enum blackbird_mute {
157 BLACKBIRD_UNMUTE,
158 BLACKBIRD_MUTE,
159 };
160 enum blackbird_mute_video_mask {
161 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
162 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
163 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
164 };
165 enum blackbird_mute_video_shift {
166 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
167 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
168 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
169 };
170
171 /* Registers */
172 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
173 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
176 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
177 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
178
179 /* ------------------------------------------------------------------ */
180
181 static void host_setup(struct cx88_core *core)
182 {
183 /* toggle reset of the host */
184 cx_write(MO_GPHST_SOFT_RST, 1);
185 udelay(100);
186 cx_write(MO_GPHST_SOFT_RST, 0);
187 udelay(100);
188
189 /* host port setup */
190 cx_write(MO_GPHST_WSC, 0x44444444U);
191 cx_write(MO_GPHST_XFR, 0);
192 cx_write(MO_GPHST_WDTH, 15);
193 cx_write(MO_GPHST_HDSHK, 0);
194 cx_write(MO_GPHST_MUX16, 0x44448888U);
195 cx_write(MO_GPHST_MODE, 0);
196 }
197
198 /* ------------------------------------------------------------------ */
199
200 #define P1_MDATA0 0x390000
201 #define P1_MDATA1 0x390001
202 #define P1_MDATA2 0x390002
203 #define P1_MDATA3 0x390003
204 #define P1_MADDR2 0x390004
205 #define P1_MADDR1 0x390005
206 #define P1_MADDR0 0x390006
207 #define P1_RDATA0 0x390008
208 #define P1_RDATA1 0x390009
209 #define P1_RDATA2 0x39000A
210 #define P1_RDATA3 0x39000B
211 #define P1_RADDR0 0x39000C
212 #define P1_RADDR1 0x39000D
213 #define P1_RRDWR 0x39000E
214
215 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
216 {
217 unsigned long timeout = jiffies + msecs_to_jiffies(1);
218 u32 gpio0,need;
219
220 need = state ? 2 : 0;
221 for (;;) {
222 gpio0 = cx_read(MO_GP0_IO) & 2;
223 if (need == gpio0)
224 return 0;
225 if (time_after(jiffies,timeout))
226 return -1;
227 udelay(1);
228 }
229 }
230
231 static int memory_write(struct cx88_core *core, u32 address, u32 value)
232 {
233 /* Warning: address is dword address (4 bytes) */
234 cx_writeb(P1_MDATA0, (unsigned int)value);
235 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
236 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
237 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
238 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
239 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
240 cx_writeb(P1_MADDR0, (unsigned int)address);
241 cx_read(P1_MDATA0);
242 cx_read(P1_MADDR0);
243
244 return wait_ready_gpio0_bit1(core,1);
245 }
246
247 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
248 {
249 int retval;
250 u32 val;
251
252 /* Warning: address is dword address (4 bytes) */
253 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
254 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
255 cx_writeb(P1_MADDR0, (unsigned int)address);
256 cx_read(P1_MADDR0);
257
258 retval = wait_ready_gpio0_bit1(core,1);
259
260 cx_writeb(P1_MDATA3, 0);
261 val = (unsigned char)cx_read(P1_MDATA3) << 24;
262 cx_writeb(P1_MDATA2, 0);
263 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
264 cx_writeb(P1_MDATA1, 0);
265 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
266 cx_writeb(P1_MDATA0, 0);
267 val |= (unsigned char)cx_read(P1_MDATA0);
268
269 *value = val;
270 return retval;
271 }
272
273 static int register_write(struct cx88_core *core, u32 address, u32 value)
274 {
275 cx_writeb(P1_RDATA0, (unsigned int)value);
276 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
277 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
278 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
279 cx_writeb(P1_RADDR0, (unsigned int)address);
280 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
281 cx_writeb(P1_RRDWR, 1);
282 cx_read(P1_RDATA0);
283 cx_read(P1_RADDR0);
284
285 return wait_ready_gpio0_bit1(core,1);
286 }
287
288
289 static int register_read(struct cx88_core *core, u32 address, u32 *value)
290 {
291 int retval;
292 u32 val;
293
294 cx_writeb(P1_RADDR0, (unsigned int)address);
295 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
296 cx_writeb(P1_RRDWR, 0);
297 cx_read(P1_RADDR0);
298
299 retval = wait_ready_gpio0_bit1(core,1);
300 val = (unsigned char)cx_read(P1_RDATA0);
301 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
302 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
303 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
304
305 *value = val;
306 return retval;
307 }
308
309 /* ------------------------------------------------------------------ */
310
311 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
312 {
313 struct cx8802_dev *dev = priv;
314 unsigned long timeout;
315 u32 value, flag, retval;
316 int i;
317
318 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
319
320 /* this may not be 100% safe if we can't read any memory location
321 without side effects */
322 memory_read(dev->core, dev->mailbox - 4, &value);
323 if (value != 0x12345678) {
324 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
325 return -1;
326 }
327
328 memory_read(dev->core, dev->mailbox, &flag);
329 if (flag) {
330 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
331 return -1;
332 }
333
334 flag |= 1; /* tell 'em we're working on it */
335 memory_write(dev->core, dev->mailbox, flag);
336
337 /* write command + args + fill remaining with zeros */
338 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
339 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
340 for (i = 0; i < in; i++) {
341 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
342 dprintk(1, "API Input %d = %d\n", i, data[i]);
343 }
344 for (; i < CX2341X_MBOX_MAX_DATA; i++)
345 memory_write(dev->core, dev->mailbox + 4 + i, 0);
346
347 flag |= 3; /* tell 'em we're done writing */
348 memory_write(dev->core, dev->mailbox, flag);
349
350 /* wait for firmware to handle the API command */
351 timeout = jiffies + msecs_to_jiffies(10);
352 for (;;) {
353 memory_read(dev->core, dev->mailbox, &flag);
354 if (0 != (flag & 4))
355 break;
356 if (time_after(jiffies,timeout)) {
357 dprintk(0, "ERROR: API Mailbox timeout\n");
358 return -1;
359 }
360 udelay(10);
361 }
362
363 /* read output values */
364 for (i = 0; i < out; i++) {
365 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
366 dprintk(1, "API Output %d = %d\n", i, data[i]);
367 }
368
369 memory_read(dev->core, dev->mailbox + 2, &retval);
370 dprintk(1, "API result = %d\n",retval);
371
372 flag = 0;
373 memory_write(dev->core, dev->mailbox, flag);
374 return retval;
375 }
376 /* ------------------------------------------------------------------ */
377
378 /* We don't need to call the API often, so using just one mailbox will probably suffice */
379 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
380 u32 inputcnt, u32 outputcnt, ...)
381 {
382 u32 data[CX2341X_MBOX_MAX_DATA];
383 va_list vargs;
384 int i, err;
385
386 va_start(vargs, outputcnt);
387
388 for (i = 0; i < inputcnt; i++) {
389 data[i] = va_arg(vargs, int);
390 }
391 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
392 for (i = 0; i < outputcnt; i++) {
393 int *vptr = va_arg(vargs, int *);
394 *vptr = data[i];
395 }
396 va_end(vargs);
397 return err;
398 }
399
400 static int blackbird_find_mailbox(struct cx8802_dev *dev)
401 {
402 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
403 int signaturecnt=0;
404 u32 value;
405 int i;
406
407 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
408 memory_read(dev->core, i, &value);
409 if (value == signature[signaturecnt])
410 signaturecnt++;
411 else
412 signaturecnt = 0;
413 if (4 == signaturecnt) {
414 dprintk(1, "Mailbox signature found\n");
415 return i+1;
416 }
417 }
418 dprintk(0, "Mailbox signature values not found!\n");
419 return -1;
420 }
421
422 static int blackbird_load_firmware(struct cx8802_dev *dev)
423 {
424 static const unsigned char magic[8] = {
425 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
426 };
427 const struct firmware *firmware;
428 int i, retval = 0;
429 u32 value = 0;
430 u32 checksum = 0;
431 u32 *dataptr;
432
433 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
434 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
435 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
436 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
437 msleep(1);
438 retval |= register_write(dev->core, IVTV_REG_APU, 0);
439
440 if (retval < 0)
441 dprintk(0, "Error with register_write\n");
442
443 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
444 &dev->pci->dev);
445
446
447 if (retval != 0) {
448 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
449 CX2341X_FIRM_ENC_FILENAME);
450 dprintk(0, "Please fix your hotplug setup, the board will "
451 "not work without firmware loaded!\n");
452 return -1;
453 }
454
455 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
456 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
457 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
458 release_firmware(firmware);
459 return -1;
460 }
461
462 if (0 != memcmp(firmware->data, magic, 8)) {
463 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
464 release_firmware(firmware);
465 return -1;
466 }
467
468 /* transfer to the chip */
469 dprintk(1,"Loading firmware ...\n");
470 dataptr = (u32*)firmware->data;
471 for (i = 0; i < (firmware->size >> 2); i++) {
472 value = *dataptr;
473 checksum += ~value;
474 memory_write(dev->core, i, value);
475 dataptr++;
476 }
477
478 /* read back to verify with the checksum */
479 for (i--; i >= 0; i--) {
480 memory_read(dev->core, i, &value);
481 checksum -= ~value;
482 }
483 if (checksum) {
484 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
485 release_firmware(firmware);
486 return -1;
487 }
488 release_firmware(firmware);
489 dprintk(0, "Firmware upload successful.\n");
490
491 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
492 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
493 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
494 msleep(1);
495
496 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
497 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
498
499 if (retval < 0)
500 dprintk(0, "Error with register_write\n");
501 return 0;
502 }
503
504 /**
505 Settings used by the windows tv app for PVR2000:
506 =================================================================================================================
507 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
508 -----------------------------------------------------------------------------------------------------------------
509 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514 =================================================================================================================
515 *DB: "DirectBurn"
516 */
517
518 static void blackbird_codec_settings(struct cx8802_dev *dev)
519 {
520 /* assign frame size */
521 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
522 dev->height, dev->width);
523
524 dev->params.width = dev->width;
525 dev->params.height = dev->height;
526 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
527
528 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
529 }
530
531 static struct v4l2_mpeg_compression default_mpeg_params = {
532 .st_type = V4L2_MPEG_PS_2,
533 .st_bitrate = {
534 .mode = V4L2_BITRATE_CBR,
535 .min = 0,
536 .target = 0,
537 .max = 0
538 },
539 .ts_pid_pmt = 16,
540 .ts_pid_audio = 260,
541 .ts_pid_video = 256,
542 .ts_pid_pcr = 259,
543 .ps_size = 0,
544 .au_type = V4L2_MPEG_AU_2_II,
545 .au_bitrate = {
546 .mode = V4L2_BITRATE_CBR,
547 .min = 224,
548 .target = 224,
549 .max = 224
550 },
551 .au_sample_rate = 48000,
552 .au_pesid = 0,
553 .vi_type = V4L2_MPEG_VI_2,
554 .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
555 .vi_bitrate = {
556 .mode = V4L2_BITRATE_CBR,
557 .min = 4000,
558 .target = 4500,
559 .max = 6000
560 },
561 .vi_frame_rate = 25,
562 .vi_frames_per_gop = 12,
563 .vi_bframes_count = 2,
564 .vi_pesid = 0,
565 .closed_gops = 1,
566 .pulldown = 0
567 };
568
569 static int blackbird_initialize_codec(struct cx8802_dev *dev)
570 {
571 struct cx88_core *core = dev->core;
572 int version;
573 int retval;
574
575 dprintk(1,"Initialize codec\n");
576 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
577 if (retval < 0) {
578 /* ping was not successful, reset and upload firmware */
579 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
580 msleep(1);
581 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
582 msleep(1);
583 retval = blackbird_load_firmware(dev);
584 if (retval < 0)
585 return retval;
586
587 dev->mailbox = blackbird_find_mailbox(dev);
588 if (dev->mailbox < 0)
589 return -1;
590
591 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
592 if (retval < 0) {
593 dprintk(0, "ERROR: Firmware ping failed!\n");
594 return -1;
595 }
596
597 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
598 if (retval < 0) {
599 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
600 return -1;
601 }
602 dprintk(0, "Firmware version is 0x%08x\n", version);
603 }
604 msleep(1);
605
606 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
607 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
608 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
609 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
610
611 blackbird_codec_settings(dev);
612 msleep(1);
613
614 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
615 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
616 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
617 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
618 BLACKBIRD_FIELD1_SAA7115,
619 BLACKBIRD_FIELD2_SAA7115
620 );
621
622 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
623 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
624 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
625 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
626
627 /* initialize the video input */
628 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
629
630 msleep(1);
631
632 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
633 msleep(1);
634 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
635 msleep(1);
636
637 /* start capturing to the host interface */
638 /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
639 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
640 BLACKBIRD_MPEG_CAPTURE,
641 BLACKBIRD_RAW_BITS_NONE
642 );
643 msleep(10);
644
645 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
646 return 0;
647 }
648
649 /* ------------------------------------------------------------------ */
650
651 static int bb_buf_setup(struct videobuf_queue *q,
652 unsigned int *count, unsigned int *size)
653 {
654 struct cx8802_fh *fh = q->priv_data;
655
656 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
657 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
658
659 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
660 *count = fh->dev->ts_packet_count;
661 return 0;
662 }
663
664 static int
665 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
666 enum v4l2_field field)
667 {
668 struct cx8802_fh *fh = q->priv_data;
669 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
670 }
671
672 static void
673 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
674 {
675 struct cx8802_fh *fh = q->priv_data;
676 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
677 }
678
679 static void
680 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
681 {
682 cx88_free_buffer(q, (struct cx88_buffer*)vb);
683 }
684
685 static struct videobuf_queue_ops blackbird_qops = {
686 .buf_setup = bb_buf_setup,
687 .buf_prepare = bb_buf_prepare,
688 .buf_queue = bb_buf_queue,
689 .buf_release = bb_buf_release,
690 };
691
692 /* ------------------------------------------------------------------ */
693
694 static const u32 *ctrl_classes[] = {
695 cx88_user_ctrls,
696 cx2341x_mpeg_ctrls,
697 NULL
698 };
699
700 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
701 {
702 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
703 if (qctrl->id == 0)
704 return -EINVAL;
705
706 /* Standard V4L2 controls */
707 if (cx8800_ctrl_query(qctrl) == 0)
708 return 0;
709
710 /* MPEG V4L2 controls */
711 if (cx2341x_ctrl_query(&dev->params, qctrl))
712 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
713 return 0;
714 }
715
716 /* ------------------------------------------------------------------ */
717 /* IOCTL Handlers */
718
719 static int vidioc_querymenu (struct file *file, void *priv,
720 struct v4l2_querymenu *qmenu)
721 {
722 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
723 struct v4l2_queryctrl qctrl;
724
725 qctrl.id = qmenu->id;
726 blackbird_queryctrl(dev, &qctrl);
727 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
728 }
729
730 static int vidioc_querycap (struct file *file, void *priv,
731 struct v4l2_capability *cap)
732 {
733 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
734 struct cx88_core *core = dev->core;
735
736 strcpy(cap->driver, "cx88_blackbird");
737 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
738 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
739 cap->version = CX88_VERSION_CODE;
740 cap->capabilities =
741 V4L2_CAP_VIDEO_CAPTURE |
742 V4L2_CAP_READWRITE |
743 V4L2_CAP_STREAMING;
744 if (UNSET != core->tuner_type)
745 cap->capabilities |= V4L2_CAP_TUNER;
746 return 0;
747 }
748
749 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
750 struct v4l2_fmtdesc *f)
751 {
752 if (f->index != 0)
753 return -EINVAL;
754
755 strlcpy(f->description, "MPEG", sizeof(f->description));
756 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
757 f->pixelformat = V4L2_PIX_FMT_MPEG;
758 return 0;
759 }
760
761 static int vidioc_g_fmt_cap (struct file *file, void *priv,
762 struct v4l2_format *f)
763 {
764 struct cx8802_fh *fh = priv;
765 struct cx8802_dev *dev = fh->dev;
766
767 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
768 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
769 f->fmt.pix.bytesperline = 0;
770 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
771 f->fmt.pix.colorspace = 0;
772 f->fmt.pix.width = dev->width;
773 f->fmt.pix.height = dev->height;
774 f->fmt.pix.field = fh->mpegq.field;
775 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
776 dev->width, dev->height, fh->mpegq.field );
777 return 0;
778 }
779
780 static int vidioc_try_fmt_cap (struct file *file, void *priv,
781 struct v4l2_format *f)
782 {
783 struct cx8802_fh *fh = priv;
784 struct cx8802_dev *dev = fh->dev;
785
786 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
787 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
788 f->fmt.pix.bytesperline = 0;
789 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
790 f->fmt.pix.colorspace = 0;
791 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
792 dev->width, dev->height, fh->mpegq.field );
793 return 0;
794 }
795
796 static int vidioc_s_fmt_cap (struct file *file, void *priv,
797 struct v4l2_format *f)
798 {
799 struct cx8802_fh *fh = priv;
800 struct cx8802_dev *dev = fh->dev;
801 struct cx88_core *core = dev->core;
802
803 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
804 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
805 f->fmt.pix.bytesperline = 0;
806 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
807 f->fmt.pix.colorspace = 0;
808 dev->width = f->fmt.pix.width;
809 dev->height = f->fmt.pix.height;
810 fh->mpegq.field = f->fmt.pix.field;
811 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
812 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
813 f->fmt.pix.height, f->fmt.pix.width);
814 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
815 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
816 return 0;
817 }
818
819 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
820 {
821 struct cx8802_fh *fh = priv;
822 return (videobuf_reqbufs(&fh->mpegq, p));
823 }
824
825 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
826 {
827 struct cx8802_fh *fh = priv;
828 return (videobuf_querybuf(&fh->mpegq, p));
829 }
830
831 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
832 {
833 struct cx8802_fh *fh = priv;
834 return (videobuf_qbuf(&fh->mpegq, p));
835 }
836
837 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
838 {
839 struct cx8802_fh *fh = priv;
840 return (videobuf_dqbuf(&fh->mpegq, p,
841 file->f_flags & O_NONBLOCK));
842 }
843
844 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
845 {
846 struct cx8802_fh *fh = priv;
847 return videobuf_streamon(&fh->mpegq);
848 }
849
850 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
851 {
852 struct cx8802_fh *fh = priv;
853 return videobuf_streamoff(&fh->mpegq);
854 }
855
856 static int vidioc_g_mpegcomp (struct file *file, void *fh,
857 struct v4l2_mpeg_compression *f)
858 {
859 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
860 "Replace with VIDIOC_G_EXT_CTRLS!");
861 memcpy(f,&default_mpeg_params,sizeof(*f));
862 return 0;
863 }
864
865 static int vidioc_s_mpegcomp (struct file *file, void *fh,
866 struct v4l2_mpeg_compression *f)
867 {
868 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
869 "Replace with VIDIOC_S_EXT_CTRLS!");
870 return 0;
871 }
872
873 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
874 struct v4l2_ext_controls *f)
875 {
876 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
877
878 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
879 return -EINVAL;
880 return cx2341x_ext_ctrls(&dev->params, f, VIDIOC_G_EXT_CTRLS);
881 }
882
883 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
884 struct v4l2_ext_controls *f)
885 {
886 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
887 struct cx2341x_mpeg_params p;
888 int err;
889
890 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
891 return -EINVAL;
892 p = dev->params;
893 err = cx2341x_ext_ctrls(&p, f, VIDIOC_S_EXT_CTRLS);
894 if (!err) {
895 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
896 dev->params = p;
897 }
898 return err;
899 }
900
901 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
902 struct v4l2_ext_controls *f)
903 {
904 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
905 struct cx2341x_mpeg_params p;
906 int err;
907
908 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
909 return -EINVAL;
910 p = dev->params;
911 err = cx2341x_ext_ctrls(&p, f, VIDIOC_TRY_EXT_CTRLS);
912
913 return err;
914 }
915
916 static int vidioc_s_frequency (struct file *file, void *priv,
917 struct v4l2_frequency *f)
918 {
919 struct cx8802_fh *fh = priv;
920 struct cx8802_dev *dev = fh->dev;
921 struct cx88_core *core = dev->core;
922
923 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
924 BLACKBIRD_END_NOW,
925 BLACKBIRD_MPEG_CAPTURE,
926 BLACKBIRD_RAW_BITS_NONE);
927 cx88_set_freq (core,f);
928 blackbird_initialize_codec(dev);
929 cx88_set_scale(dev->core, dev->width, dev->height,
930 fh->mpegq.field);
931 return 0;
932 }
933
934 static int vidioc_log_status (struct file *file, void *priv)
935 {
936 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
937 struct cx88_core *core = dev->core;
938 char name[32 + 2];
939
940 snprintf(name, sizeof(name), "%s/2", core->name);
941 printk("%s/2: ============ START LOG STATUS ============\n",
942 core->name);
943 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
944 cx2341x_log_status(&dev->params, name);
945 printk("%s/2: ============= END LOG STATUS =============\n",
946 core->name);
947 return 0;
948 }
949
950 static int vidioc_queryctrl (struct file *file, void *priv,
951 struct v4l2_queryctrl *qctrl)
952 {
953 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
954
955 if (blackbird_queryctrl(dev, qctrl) == 0)
956 return 0;
957
958 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
959 if (unlikely(qctrl->id == 0))
960 return -EINVAL;
961 return cx8800_ctrl_query(qctrl);
962 }
963
964 static int vidioc_enum_input (struct file *file, void *priv,
965 struct v4l2_input *i)
966 {
967 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
968 return cx88_enum_input (core,i);
969 }
970
971 static int vidioc_g_ctrl (struct file *file, void *priv,
972 struct v4l2_control *ctl)
973 {
974 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
975 return
976 cx88_get_control(core,ctl);
977 }
978
979 static int vidioc_s_ctrl (struct file *file, void *priv,
980 struct v4l2_control *ctl)
981 {
982 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
983 return
984 cx88_set_control(core,ctl);
985 }
986
987 static int vidioc_g_frequency (struct file *file, void *priv,
988 struct v4l2_frequency *f)
989 {
990 struct cx8802_fh *fh = priv;
991 struct cx88_core *core = fh->dev->core;
992
993 if (unlikely(UNSET == core->tuner_type))
994 return -EINVAL;
995
996 f->type = V4L2_TUNER_ANALOG_TV;
997 f->frequency = core->freq;
998 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
999
1000 return 0;
1001 }
1002
1003 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1004 {
1005 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1006
1007 *i = core->input;
1008 return 0;
1009 }
1010
1011 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1012 {
1013 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1014
1015 if (i >= 4)
1016 return -EINVAL;
1017
1018 mutex_lock(&core->lock);
1019 cx88_newstation(core);
1020 cx88_video_mux(core,i);
1021 mutex_unlock(&core->lock);
1022 return 0;
1023 }
1024
1025 static int vidioc_g_tuner (struct file *file, void *priv,
1026 struct v4l2_tuner *t)
1027 {
1028 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1029 u32 reg;
1030
1031 if (unlikely(UNSET == core->tuner_type))
1032 return -EINVAL;
1033 if (0 != t->index)
1034 return -EINVAL;
1035
1036 strcpy(t->name, "Television");
1037 t->type = V4L2_TUNER_ANALOG_TV;
1038 t->capability = V4L2_TUNER_CAP_NORM;
1039 t->rangehigh = 0xffffffffUL;
1040
1041 cx88_get_stereo(core ,t);
1042 reg = cx_read(MO_DEVICE_STATUS);
1043 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1044 return 0;
1045 }
1046
1047 static int vidioc_s_tuner (struct file *file, void *priv,
1048 struct v4l2_tuner *t)
1049 {
1050 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1051
1052 if (UNSET == core->tuner_type)
1053 return -EINVAL;
1054 if (0 != t->index)
1055 return -EINVAL;
1056
1057 cx88_set_stereo(core, t->audmode, 1);
1058 return 0;
1059 }
1060
1061 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1062 {
1063 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1064
1065 mutex_lock(&core->lock);
1066 cx88_set_tvnorm(core,*id);
1067 mutex_unlock(&core->lock);
1068 return 0;
1069 }
1070
1071 /* FIXME: cx88_ioctl_hook not implemented */
1072
1073 static int mpeg_open(struct inode *inode, struct file *file)
1074 {
1075 int minor = iminor(inode);
1076 struct cx8802_dev *dev = NULL;
1077 struct cx8802_fh *fh;
1078 struct cx8802_driver *drv = NULL;
1079 int err;
1080
1081 dev = cx8802_get_device(inode);
1082
1083 dprintk( 1, "%s\n", __FUNCTION__);
1084
1085 if (dev == NULL)
1086 return -ENODEV;
1087
1088 /* Make sure we can acquire the hardware */
1089 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1090 if (drv) {
1091 err = drv->request_acquire(drv);
1092 if(err != 0) {
1093 dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
1094 return err;
1095 }
1096 }
1097
1098 if (blackbird_initialize_codec(dev) < 0) {
1099 if (drv)
1100 drv->request_release(drv);
1101 return -EINVAL;
1102 }
1103 dprintk(1,"open minor=%d\n",minor);
1104
1105 /* allocate + initialize per filehandle data */
1106 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1107 if (NULL == fh) {
1108 if (drv)
1109 drv->request_release(drv);
1110 return -ENOMEM;
1111 }
1112 file->private_data = fh;
1113 fh->dev = dev;
1114
1115 videobuf_queue_init(&fh->mpegq, &blackbird_qops,
1116 dev->pci, &dev->slock,
1117 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1118 V4L2_FIELD_INTERLACED,
1119 sizeof(struct cx88_buffer),
1120 fh);
1121
1122 /* FIXME: locking against other video device */
1123 cx88_set_scale(dev->core, dev->width, dev->height,
1124 fh->mpegq.field);
1125
1126 return 0;
1127 }
1128
1129 static int mpeg_release(struct inode *inode, struct file *file)
1130 {
1131 struct cx8802_fh *fh = file->private_data;
1132 struct cx8802_dev *dev = NULL;
1133 struct cx8802_driver *drv = NULL;
1134
1135 /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1136 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1137 BLACKBIRD_END_NOW,
1138 BLACKBIRD_MPEG_CAPTURE,
1139 BLACKBIRD_RAW_BITS_NONE
1140 );
1141
1142 cx8802_cancel_buffers(fh->dev);
1143 /* stop mpeg capture */
1144 if (fh->mpegq.streaming)
1145 videobuf_streamoff(&fh->mpegq);
1146 if (fh->mpegq.reading)
1147 videobuf_read_stop(&fh->mpegq);
1148
1149 videobuf_mmap_free(&fh->mpegq);
1150 file->private_data = NULL;
1151 kfree(fh);
1152
1153 /* Make sure we release the hardware */
1154 dev = cx8802_get_device(inode);
1155 if (dev == NULL)
1156 return -ENODEV;
1157
1158 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1159 if (drv)
1160 drv->request_release(drv);
1161
1162 return 0;
1163 }
1164
1165 static ssize_t
1166 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1167 {
1168 struct cx8802_fh *fh = file->private_data;
1169
1170 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1171 file->f_flags & O_NONBLOCK);
1172 }
1173
1174 static unsigned int
1175 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1176 {
1177 struct cx8802_fh *fh = file->private_data;
1178
1179 return videobuf_poll_stream(file, &fh->mpegq, wait);
1180 }
1181
1182 static int
1183 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1184 {
1185 struct cx8802_fh *fh = file->private_data;
1186
1187 return videobuf_mmap_mapper(&fh->mpegq, vma);
1188 }
1189
1190 static const struct file_operations mpeg_fops =
1191 {
1192 .owner = THIS_MODULE,
1193 .open = mpeg_open,
1194 .release = mpeg_release,
1195 .read = mpeg_read,
1196 .poll = mpeg_poll,
1197 .mmap = mpeg_mmap,
1198 .ioctl = video_ioctl2,
1199 .llseek = no_llseek,
1200 };
1201
1202 static struct video_device cx8802_mpeg_template =
1203 {
1204 .name = "cx8802",
1205 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1206 .fops = &mpeg_fops,
1207 .minor = -1,
1208 .vidioc_querymenu = vidioc_querymenu,
1209 .vidioc_querycap = vidioc_querycap,
1210 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1211 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1212 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1213 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1214 .vidioc_reqbufs = vidioc_reqbufs,
1215 .vidioc_querybuf = vidioc_querybuf,
1216 .vidioc_qbuf = vidioc_qbuf,
1217 .vidioc_dqbuf = vidioc_dqbuf,
1218 .vidioc_streamon = vidioc_streamon,
1219 .vidioc_streamoff = vidioc_streamoff,
1220 .vidioc_g_mpegcomp = vidioc_g_mpegcomp,
1221 .vidioc_s_mpegcomp = vidioc_s_mpegcomp,
1222 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1223 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1224 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1225 .vidioc_s_frequency = vidioc_s_frequency,
1226 .vidioc_log_status = vidioc_log_status,
1227 .vidioc_queryctrl = vidioc_queryctrl,
1228 .vidioc_enum_input = vidioc_enum_input,
1229 .vidioc_g_ctrl = vidioc_g_ctrl,
1230 .vidioc_s_ctrl = vidioc_s_ctrl,
1231 .vidioc_g_frequency = vidioc_g_frequency,
1232 .vidioc_g_input = vidioc_g_input,
1233 .vidioc_s_input = vidioc_s_input,
1234 .vidioc_g_tuner = vidioc_g_tuner,
1235 .vidioc_s_tuner = vidioc_s_tuner,
1236 .vidioc_s_std = vidioc_s_std,
1237 .tvnorms = CX88_NORMS,
1238 .current_norm = V4L2_STD_NTSC_M,
1239 };
1240
1241 /* ------------------------------------------------------------------ */
1242
1243 /* The CX8802 MPEG API will call this when we can use the hardware */
1244 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1245 {
1246 struct cx88_core *core = drv->core;
1247 int err = 0;
1248
1249 switch (core->board) {
1250 case CX88_BOARD_HAUPPAUGE_HVR1300:
1251 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1252 * We left the hardware on power up with the cx22702 active.
1253 * We're being given access to re-arrange the GPIOs.
1254 * Take the bus off the cx22702 and put the cx23416 on it.
1255 */
1256 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1257 cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
1258 break;
1259 default:
1260 err = -ENODEV;
1261 }
1262 return err;
1263 }
1264
1265 /* The CX8802 MPEG API will call this when we need to release the hardware */
1266 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1267 {
1268 struct cx88_core *core = drv->core;
1269 int err = 0;
1270
1271 switch (core->board) {
1272 case CX88_BOARD_HAUPPAUGE_HVR1300:
1273 /* Exit leaving the cx23416 on the bus */
1274 break;
1275 default:
1276 err = -ENODEV;
1277 }
1278 return err;
1279 }
1280
1281 static void blackbird_unregister_video(struct cx8802_dev *dev)
1282 {
1283 if (dev->mpeg_dev) {
1284 if (-1 != dev->mpeg_dev->minor)
1285 video_unregister_device(dev->mpeg_dev);
1286 else
1287 video_device_release(dev->mpeg_dev);
1288 dev->mpeg_dev = NULL;
1289 }
1290 }
1291
1292 static int blackbird_register_video(struct cx8802_dev *dev)
1293 {
1294 int err;
1295
1296 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1297 &cx8802_mpeg_template,"mpeg");
1298 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1299 if (err < 0) {
1300 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1301 dev->core->name);
1302 return err;
1303 }
1304 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1305 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1306 return 0;
1307 }
1308
1309 /* ----------------------------------------------------------- */
1310
1311 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1312 {
1313 struct cx88_core *core = drv->core;
1314 struct cx8802_dev *dev = core->dvbdev;
1315 int err;
1316
1317 dprintk( 1, "%s\n", __FUNCTION__);
1318 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1319 core->board,
1320 core->name,
1321 core->pci_bus,
1322 core->pci_slot);
1323
1324 err = -ENODEV;
1325 if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1326 goto fail_core;
1327
1328 dev->width = 720;
1329 dev->height = 576;
1330 cx2341x_fill_defaults(&dev->params);
1331 dev->params.port = CX2341X_PORT_STREAMING;
1332
1333 cx8802_mpeg_template.current_norm = core->tvnorm;
1334
1335 if (core->tvnorm & V4L2_STD_525_60) {
1336 dev->height = 480;
1337 } else {
1338 dev->height = 576;
1339 }
1340
1341 /* blackbird stuff */
1342 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1343 core->name);
1344 host_setup(dev->core);
1345
1346 blackbird_register_video(dev);
1347
1348 /* initial device configuration: needed ? */
1349 mutex_lock(&dev->core->lock);
1350 // init_controls(core);
1351 cx88_set_tvnorm(core,core->tvnorm);
1352 cx88_video_mux(core,0);
1353 mutex_unlock(&dev->core->lock);
1354
1355 return 0;
1356
1357 fail_core:
1358 return err;
1359 }
1360
1361 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1362 {
1363 /* blackbird */
1364 blackbird_unregister_video(drv->core->dvbdev);
1365
1366 return 0;
1367 }
1368
1369 static struct cx8802_driver cx8802_blackbird_driver = {
1370 .type_id = CX88_MPEG_BLACKBIRD,
1371 .hw_access = CX8802_DRVCTL_SHARED,
1372 .probe = cx8802_blackbird_probe,
1373 .remove = cx8802_blackbird_remove,
1374 .advise_acquire = cx8802_blackbird_advise_acquire,
1375 .advise_release = cx8802_blackbird_advise_release,
1376 };
1377
1378 static int blackbird_init(void)
1379 {
1380 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1381 (CX88_VERSION_CODE >> 16) & 0xff,
1382 (CX88_VERSION_CODE >> 8) & 0xff,
1383 CX88_VERSION_CODE & 0xff);
1384 #ifdef SNAPSHOT
1385 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1386 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1387 #endif
1388 return cx8802_register_driver(&cx8802_blackbird_driver);
1389 }
1390
1391 static void blackbird_fini(void)
1392 {
1393 cx8802_unregister_driver(&cx8802_blackbird_driver);
1394 }
1395
1396 module_init(blackbird_init);
1397 module_exit(blackbird_fini);
1398
1399 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1400 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1401
1402 /* ----------------------------------------------------------- */
1403 /*
1404 * Local variables:
1405 * c-basic-offset: 8
1406 * End:
1407 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
1408 */
WRT350N Kernel Patches