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V4L/DVB (5816): Cx88-blackbird: fix vidioc_g_tuner never ending list of tuners
[deliverable/linux.git] / drivers / media / video / cx88 / cx88-blackbird.c
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 OLD_BLACKBIRD_FIRM_IMAGE_SIZE 262144
60 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
61
62 /* defines below are from ivtv-driver.h */
63
64 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
65
66 /* Firmware API commands */
67 #define IVTV_API_STD_TIMEOUT 500
68
69 enum blackbird_capture_type {
70 BLACKBIRD_MPEG_CAPTURE,
71 BLACKBIRD_RAW_CAPTURE,
72 BLACKBIRD_RAW_PASSTHRU_CAPTURE
73 };
74 enum blackbird_capture_bits {
75 BLACKBIRD_RAW_BITS_NONE = 0x00,
76 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
77 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
78 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
79 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
80 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
81 };
82 enum blackbird_capture_end {
83 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
84 BLACKBIRD_END_NOW, /* stop immediately, no irq */
85 };
86 enum blackbird_framerate {
87 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
88 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
89 };
90 enum blackbird_stream_port {
91 BLACKBIRD_OUTPUT_PORT_MEMORY,
92 BLACKBIRD_OUTPUT_PORT_STREAMING,
93 BLACKBIRD_OUTPUT_PORT_SERIAL
94 };
95 enum blackbird_data_xfer_status {
96 BLACKBIRD_MORE_BUFFERS_FOLLOW,
97 BLACKBIRD_LAST_BUFFER,
98 };
99 enum blackbird_picture_mask {
100 BLACKBIRD_PICTURE_MASK_NONE,
101 BLACKBIRD_PICTURE_MASK_I_FRAMES,
102 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
103 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
104 };
105 enum blackbird_vbi_mode_bits {
106 BLACKBIRD_VBI_BITS_SLICED,
107 BLACKBIRD_VBI_BITS_RAW,
108 };
109 enum blackbird_vbi_insertion_bits {
110 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
111 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
113 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
114 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
115 };
116 enum blackbird_dma_unit {
117 BLACKBIRD_DMA_BYTES,
118 BLACKBIRD_DMA_FRAMES,
119 };
120 enum blackbird_dma_transfer_status_bits {
121 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
122 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
123 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
124 };
125 enum blackbird_pause {
126 BLACKBIRD_PAUSE_ENCODING,
127 BLACKBIRD_RESUME_ENCODING,
128 };
129 enum blackbird_copyright {
130 BLACKBIRD_COPYRIGHT_OFF,
131 BLACKBIRD_COPYRIGHT_ON,
132 };
133 enum blackbird_notification_type {
134 BLACKBIRD_NOTIFICATION_REFRESH,
135 };
136 enum blackbird_notification_status {
137 BLACKBIRD_NOTIFICATION_OFF,
138 BLACKBIRD_NOTIFICATION_ON,
139 };
140 enum blackbird_notification_mailbox {
141 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
142 };
143 enum blackbird_field1_lines {
144 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
145 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
146 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
147 };
148 enum blackbird_field2_lines {
149 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
150 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
151 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
152 };
153 enum blackbird_custom_data_type {
154 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
155 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
156 };
157 enum blackbird_mute {
158 BLACKBIRD_UNMUTE,
159 BLACKBIRD_MUTE,
160 };
161 enum blackbird_mute_video_mask {
162 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
163 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
164 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
165 };
166 enum blackbird_mute_video_shift {
167 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
168 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
169 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
170 };
171
172 /* Registers */
173 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
176 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
177 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
178 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
179
180 /* ------------------------------------------------------------------ */
181
182 static void host_setup(struct cx88_core *core)
183 {
184 /* toggle reset of the host */
185 cx_write(MO_GPHST_SOFT_RST, 1);
186 udelay(100);
187 cx_write(MO_GPHST_SOFT_RST, 0);
188 udelay(100);
189
190 /* host port setup */
191 cx_write(MO_GPHST_WSC, 0x44444444U);
192 cx_write(MO_GPHST_XFR, 0);
193 cx_write(MO_GPHST_WDTH, 15);
194 cx_write(MO_GPHST_HDSHK, 0);
195 cx_write(MO_GPHST_MUX16, 0x44448888U);
196 cx_write(MO_GPHST_MODE, 0);
197 }
198
199 /* ------------------------------------------------------------------ */
200
201 #define P1_MDATA0 0x390000
202 #define P1_MDATA1 0x390001
203 #define P1_MDATA2 0x390002
204 #define P1_MDATA3 0x390003
205 #define P1_MADDR2 0x390004
206 #define P1_MADDR1 0x390005
207 #define P1_MADDR0 0x390006
208 #define P1_RDATA0 0x390008
209 #define P1_RDATA1 0x390009
210 #define P1_RDATA2 0x39000A
211 #define P1_RDATA3 0x39000B
212 #define P1_RADDR0 0x39000C
213 #define P1_RADDR1 0x39000D
214 #define P1_RRDWR 0x39000E
215
216 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
217 {
218 unsigned long timeout = jiffies + msecs_to_jiffies(1);
219 u32 gpio0,need;
220
221 need = state ? 2 : 0;
222 for (;;) {
223 gpio0 = cx_read(MO_GP0_IO) & 2;
224 if (need == gpio0)
225 return 0;
226 if (time_after(jiffies,timeout))
227 return -1;
228 udelay(1);
229 }
230 }
231
232 static int memory_write(struct cx88_core *core, u32 address, u32 value)
233 {
234 /* Warning: address is dword address (4 bytes) */
235 cx_writeb(P1_MDATA0, (unsigned int)value);
236 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
237 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
238 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
239 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
240 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
241 cx_writeb(P1_MADDR0, (unsigned int)address);
242 cx_read(P1_MDATA0);
243 cx_read(P1_MADDR0);
244
245 return wait_ready_gpio0_bit1(core,1);
246 }
247
248 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
249 {
250 int retval;
251 u32 val;
252
253 /* Warning: address is dword address (4 bytes) */
254 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
255 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
256 cx_writeb(P1_MADDR0, (unsigned int)address);
257 cx_read(P1_MADDR0);
258
259 retval = wait_ready_gpio0_bit1(core,1);
260
261 cx_writeb(P1_MDATA3, 0);
262 val = (unsigned char)cx_read(P1_MDATA3) << 24;
263 cx_writeb(P1_MDATA2, 0);
264 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
265 cx_writeb(P1_MDATA1, 0);
266 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
267 cx_writeb(P1_MDATA0, 0);
268 val |= (unsigned char)cx_read(P1_MDATA0);
269
270 *value = val;
271 return retval;
272 }
273
274 static int register_write(struct cx88_core *core, u32 address, u32 value)
275 {
276 cx_writeb(P1_RDATA0, (unsigned int)value);
277 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
278 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
279 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
280 cx_writeb(P1_RADDR0, (unsigned int)address);
281 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
282 cx_writeb(P1_RRDWR, 1);
283 cx_read(P1_RDATA0);
284 cx_read(P1_RADDR0);
285
286 return wait_ready_gpio0_bit1(core,1);
287 }
288
289
290 static int register_read(struct cx88_core *core, u32 address, u32 *value)
291 {
292 int retval;
293 u32 val;
294
295 cx_writeb(P1_RADDR0, (unsigned int)address);
296 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
297 cx_writeb(P1_RRDWR, 0);
298 cx_read(P1_RADDR0);
299
300 retval = wait_ready_gpio0_bit1(core,1);
301 val = (unsigned char)cx_read(P1_RDATA0);
302 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
303 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
304 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
305
306 *value = val;
307 return retval;
308 }
309
310 /* ------------------------------------------------------------------ */
311
312 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
313 {
314 struct cx8802_dev *dev = priv;
315 unsigned long timeout;
316 u32 value, flag, retval;
317 int i;
318
319 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
320
321 /* this may not be 100% safe if we can't read any memory location
322 without side effects */
323 memory_read(dev->core, dev->mailbox - 4, &value);
324 if (value != 0x12345678) {
325 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
326 return -1;
327 }
328
329 memory_read(dev->core, dev->mailbox, &flag);
330 if (flag) {
331 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
332 return -1;
333 }
334
335 flag |= 1; /* tell 'em we're working on it */
336 memory_write(dev->core, dev->mailbox, flag);
337
338 /* write command + args + fill remaining with zeros */
339 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
340 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
341 for (i = 0; i < in; i++) {
342 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
343 dprintk(1, "API Input %d = %d\n", i, data[i]);
344 }
345 for (; i < CX2341X_MBOX_MAX_DATA; i++)
346 memory_write(dev->core, dev->mailbox + 4 + i, 0);
347
348 flag |= 3; /* tell 'em we're done writing */
349 memory_write(dev->core, dev->mailbox, flag);
350
351 /* wait for firmware to handle the API command */
352 timeout = jiffies + msecs_to_jiffies(10);
353 for (;;) {
354 memory_read(dev->core, dev->mailbox, &flag);
355 if (0 != (flag & 4))
356 break;
357 if (time_after(jiffies,timeout)) {
358 dprintk(0, "ERROR: API Mailbox timeout\n");
359 return -1;
360 }
361 udelay(10);
362 }
363
364 /* read output values */
365 for (i = 0; i < out; i++) {
366 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
367 dprintk(1, "API Output %d = %d\n", i, data[i]);
368 }
369
370 memory_read(dev->core, dev->mailbox + 2, &retval);
371 dprintk(1, "API result = %d\n",retval);
372
373 flag = 0;
374 memory_write(dev->core, dev->mailbox, flag);
375 return retval;
376 }
377 /* ------------------------------------------------------------------ */
378
379 /* We don't need to call the API often, so using just one mailbox will probably suffice */
380 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
381 u32 inputcnt, u32 outputcnt, ...)
382 {
383 u32 data[CX2341X_MBOX_MAX_DATA];
384 va_list vargs;
385 int i, err;
386
387 va_start(vargs, outputcnt);
388
389 for (i = 0; i < inputcnt; i++) {
390 data[i] = va_arg(vargs, int);
391 }
392 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
393 for (i = 0; i < outputcnt; i++) {
394 int *vptr = va_arg(vargs, int *);
395 *vptr = data[i];
396 }
397 va_end(vargs);
398 return err;
399 }
400
401 static int blackbird_find_mailbox(struct cx8802_dev *dev)
402 {
403 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
404 int signaturecnt=0;
405 u32 value;
406 int i;
407
408 for (i = 0; i < dev->fw_size; i++) {
409 memory_read(dev->core, i, &value);
410 if (value == signature[signaturecnt])
411 signaturecnt++;
412 else
413 signaturecnt = 0;
414 if (4 == signaturecnt) {
415 dprintk(1, "Mailbox signature found\n");
416 return i+1;
417 }
418 }
419 dprintk(0, "Mailbox signature values not found!\n");
420 return -1;
421 }
422
423 static int blackbird_load_firmware(struct cx8802_dev *dev)
424 {
425 static const unsigned char magic[8] = {
426 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
427 };
428 const struct firmware *firmware;
429 int i, retval = 0;
430 u32 value = 0;
431 u32 checksum = 0;
432 u32 *dataptr;
433
434 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
435 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
436 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
437 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
438 msleep(1);
439 retval |= register_write(dev->core, IVTV_REG_APU, 0);
440
441 if (retval < 0)
442 dprintk(0, "Error with register_write\n");
443
444 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
445 &dev->pci->dev);
446
447
448 if (retval != 0) {
449 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
450 CX2341X_FIRM_ENC_FILENAME);
451 dprintk(0, "Please fix your hotplug setup, the board will "
452 "not work without firmware loaded!\n");
453 return -1;
454 }
455
456 if ((firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) &&
457 (firmware->size != OLD_BLACKBIRD_FIRM_IMAGE_SIZE)) {
458 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d or %d)\n",
459 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE,
460 OLD_BLACKBIRD_FIRM_IMAGE_SIZE);
461 release_firmware(firmware);
462 return -1;
463 }
464 dev->fw_size = firmware->size;
465
466 if (0 != memcmp(firmware->data, magic, 8)) {
467 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
468 release_firmware(firmware);
469 return -1;
470 }
471
472 /* transfer to the chip */
473 dprintk(1,"Loading firmware ...\n");
474 dataptr = (u32*)firmware->data;
475 for (i = 0; i < (firmware->size >> 2); i++) {
476 value = *dataptr;
477 checksum += ~value;
478 memory_write(dev->core, i, value);
479 dataptr++;
480 }
481
482 /* read back to verify with the checksum */
483 for (i--; i >= 0; i--) {
484 memory_read(dev->core, i, &value);
485 checksum -= ~value;
486 }
487 if (checksum) {
488 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
489 release_firmware(firmware);
490 return -1;
491 }
492 release_firmware(firmware);
493 dprintk(0, "Firmware upload successful.\n");
494
495 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
496 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
497 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
498 msleep(1);
499
500 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
501 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
502
503 if (retval < 0)
504 dprintk(0, "Error with register_write\n");
505 return 0;
506 }
507
508 /**
509 Settings used by the windows tv app for PVR2000:
510 =================================================================================================================
511 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
512 -----------------------------------------------------------------------------------------------------------------
513 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
515 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
516 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
517 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
518 =================================================================================================================
519 *DB: "DirectBurn"
520 */
521
522 static void blackbird_codec_settings(struct cx8802_dev *dev)
523 {
524 /* assign frame size */
525 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
526 dev->height, dev->width);
527
528 dev->params.width = dev->width;
529 dev->params.height = dev->height;
530 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
531
532 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
533 }
534
535 static struct v4l2_mpeg_compression default_mpeg_params = {
536 .st_type = V4L2_MPEG_PS_2,
537 .st_bitrate = {
538 .mode = V4L2_BITRATE_CBR,
539 .min = 0,
540 .target = 0,
541 .max = 0
542 },
543 .ts_pid_pmt = 16,
544 .ts_pid_audio = 260,
545 .ts_pid_video = 256,
546 .ts_pid_pcr = 259,
547 .ps_size = 0,
548 .au_type = V4L2_MPEG_AU_2_II,
549 .au_bitrate = {
550 .mode = V4L2_BITRATE_CBR,
551 .min = 224,
552 .target = 224,
553 .max = 224
554 },
555 .au_sample_rate = 48000,
556 .au_pesid = 0,
557 .vi_type = V4L2_MPEG_VI_2,
558 .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
559 .vi_bitrate = {
560 .mode = V4L2_BITRATE_CBR,
561 .min = 4000,
562 .target = 4500,
563 .max = 6000
564 },
565 .vi_frame_rate = 25,
566 .vi_frames_per_gop = 12,
567 .vi_bframes_count = 2,
568 .vi_pesid = 0,
569 .closed_gops = 1,
570 .pulldown = 0
571 };
572
573 static int blackbird_initialize_codec(struct cx8802_dev *dev)
574 {
575 struct cx88_core *core = dev->core;
576 int version;
577 int retval;
578
579 dprintk(1,"Initialize codec\n");
580 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
581 if (retval < 0) {
582 /* ping was not successful, reset and upload firmware */
583 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
584 msleep(1);
585 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
586 msleep(1);
587 retval = blackbird_load_firmware(dev);
588 if (retval < 0)
589 return retval;
590
591 dev->mailbox = blackbird_find_mailbox(dev);
592 if (dev->mailbox < 0)
593 return -1;
594
595 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
596 if (retval < 0) {
597 dprintk(0, "ERROR: Firmware ping failed!\n");
598 return -1;
599 }
600
601 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
602 if (retval < 0) {
603 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
604 return -1;
605 }
606 dprintk(0, "Firmware version is 0x%08x\n", version);
607 }
608 msleep(1);
609
610 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
611 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
612 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
613 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
614
615 blackbird_codec_settings(dev);
616 msleep(1);
617
618 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
619 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
620 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
621 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
622 BLACKBIRD_FIELD1_SAA7115,
623 BLACKBIRD_FIELD2_SAA7115
624 );
625
626 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
627 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
628 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
629 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
630
631 /* initialize the video input */
632 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
633
634 msleep(1);
635
636 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
637 msleep(1);
638 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
639 msleep(1);
640
641 /* start capturing to the host interface */
642 /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
643 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
644 BLACKBIRD_MPEG_CAPTURE,
645 BLACKBIRD_RAW_BITS_NONE
646 );
647 msleep(10);
648
649 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
650 return 0;
651 }
652
653 /* ------------------------------------------------------------------ */
654
655 static int bb_buf_setup(struct videobuf_queue *q,
656 unsigned int *count, unsigned int *size)
657 {
658 struct cx8802_fh *fh = q->priv_data;
659
660 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
661 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
662
663 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
664 *count = fh->dev->ts_packet_count;
665 return 0;
666 }
667
668 static int
669 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
670 enum v4l2_field field)
671 {
672 struct cx8802_fh *fh = q->priv_data;
673 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
674 }
675
676 static void
677 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
678 {
679 struct cx8802_fh *fh = q->priv_data;
680 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
681 }
682
683 static void
684 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
685 {
686 cx88_free_buffer(q, (struct cx88_buffer*)vb);
687 }
688
689 static struct videobuf_queue_ops blackbird_qops = {
690 .buf_setup = bb_buf_setup,
691 .buf_prepare = bb_buf_prepare,
692 .buf_queue = bb_buf_queue,
693 .buf_release = bb_buf_release,
694 };
695
696 /* ------------------------------------------------------------------ */
697
698 static const u32 *ctrl_classes[] = {
699 cx88_user_ctrls,
700 cx2341x_mpeg_ctrls,
701 NULL
702 };
703
704 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
705 {
706 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
707 if (qctrl->id == 0)
708 return -EINVAL;
709
710 /* Standard V4L2 controls */
711 if (cx8800_ctrl_query(qctrl) == 0)
712 return 0;
713
714 /* MPEG V4L2 controls */
715 if (cx2341x_ctrl_query(&dev->params, qctrl))
716 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
717 return 0;
718 }
719
720 /* ------------------------------------------------------------------ */
721 /* IOCTL Handlers */
722
723 static int vidioc_querymenu (struct file *file, void *priv,
724 struct v4l2_querymenu *qmenu)
725 {
726 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
727 struct v4l2_queryctrl qctrl;
728
729 qctrl.id = qmenu->id;
730 blackbird_queryctrl(dev, &qctrl);
731 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
732 }
733
734 static int vidioc_querycap (struct file *file, void *priv,
735 struct v4l2_capability *cap)
736 {
737 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
738 struct cx88_core *core = dev->core;
739
740 strcpy(cap->driver, "cx88_blackbird");
741 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
742 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
743 cap->version = CX88_VERSION_CODE;
744 cap->capabilities =
745 V4L2_CAP_VIDEO_CAPTURE |
746 V4L2_CAP_READWRITE |
747 V4L2_CAP_STREAMING;
748 if (UNSET != core->tuner_type)
749 cap->capabilities |= V4L2_CAP_TUNER;
750 return 0;
751 }
752
753 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
754 struct v4l2_fmtdesc *f)
755 {
756 if (f->index != 0)
757 return -EINVAL;
758
759 strlcpy(f->description, "MPEG", sizeof(f->description));
760 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
761 f->pixelformat = V4L2_PIX_FMT_MPEG;
762 return 0;
763 }
764
765 static int vidioc_g_fmt_cap (struct file *file, void *priv,
766 struct v4l2_format *f)
767 {
768 struct cx8802_fh *fh = priv;
769 struct cx8802_dev *dev = fh->dev;
770
771 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
772 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
773 f->fmt.pix.bytesperline = 0;
774 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
775 f->fmt.pix.colorspace = 0;
776 f->fmt.pix.width = dev->width;
777 f->fmt.pix.height = dev->height;
778 f->fmt.pix.field = fh->mpegq.field;
779 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
780 dev->width, dev->height, fh->mpegq.field );
781 return 0;
782 }
783
784 static int vidioc_try_fmt_cap (struct file *file, void *priv,
785 struct v4l2_format *f)
786 {
787 struct cx8802_fh *fh = priv;
788 struct cx8802_dev *dev = fh->dev;
789
790 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
791 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
792 f->fmt.pix.bytesperline = 0;
793 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
794 f->fmt.pix.colorspace = 0;
795 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
796 dev->width, dev->height, fh->mpegq.field );
797 return 0;
798 }
799
800 static int vidioc_s_fmt_cap (struct file *file, void *priv,
801 struct v4l2_format *f)
802 {
803 struct cx8802_fh *fh = priv;
804 struct cx8802_dev *dev = fh->dev;
805 struct cx88_core *core = dev->core;
806
807 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
808 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
809 f->fmt.pix.bytesperline = 0;
810 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
811 f->fmt.pix.colorspace = 0;
812 dev->width = f->fmt.pix.width;
813 dev->height = f->fmt.pix.height;
814 fh->mpegq.field = f->fmt.pix.field;
815 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
816 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
817 f->fmt.pix.height, f->fmt.pix.width);
818 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
819 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
820 return 0;
821 }
822
823 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
824 {
825 struct cx8802_fh *fh = priv;
826 return (videobuf_reqbufs(&fh->mpegq, p));
827 }
828
829 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
830 {
831 struct cx8802_fh *fh = priv;
832 return (videobuf_querybuf(&fh->mpegq, p));
833 }
834
835 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
836 {
837 struct cx8802_fh *fh = priv;
838 return (videobuf_qbuf(&fh->mpegq, p));
839 }
840
841 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
842 {
843 struct cx8802_fh *fh = priv;
844 return (videobuf_dqbuf(&fh->mpegq, p,
845 file->f_flags & O_NONBLOCK));
846 }
847
848 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
849 {
850 struct cx8802_fh *fh = priv;
851 return videobuf_streamon(&fh->mpegq);
852 }
853
854 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
855 {
856 struct cx8802_fh *fh = priv;
857 return videobuf_streamoff(&fh->mpegq);
858 }
859
860 static int vidioc_g_mpegcomp (struct file *file, void *fh,
861 struct v4l2_mpeg_compression *f)
862 {
863 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
864 "Replace with VIDIOC_G_EXT_CTRLS!");
865 memcpy(f,&default_mpeg_params,sizeof(*f));
866 return 0;
867 }
868
869 static int vidioc_s_mpegcomp (struct file *file, void *fh,
870 struct v4l2_mpeg_compression *f)
871 {
872 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
873 "Replace with VIDIOC_S_EXT_CTRLS!");
874 return 0;
875 }
876
877 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
878 struct v4l2_ext_controls *f)
879 {
880 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
881
882 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
883 return -EINVAL;
884 return cx2341x_ext_ctrls(&dev->params, f, VIDIOC_G_EXT_CTRLS);
885 }
886
887 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
888 struct v4l2_ext_controls *f)
889 {
890 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
891 struct cx2341x_mpeg_params p;
892 int err;
893
894 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
895 return -EINVAL;
896 p = dev->params;
897 err = cx2341x_ext_ctrls(&p, f, VIDIOC_S_EXT_CTRLS);
898 if (!err) {
899 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
900 dev->params = p;
901 }
902 return err;
903 }
904
905 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
906 struct v4l2_ext_controls *f)
907 {
908 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
909 struct cx2341x_mpeg_params p;
910 int err;
911
912 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
913 return -EINVAL;
914 p = dev->params;
915 err = cx2341x_ext_ctrls(&p, f, VIDIOC_TRY_EXT_CTRLS);
916
917 return err;
918 }
919
920 static int vidioc_s_frequency (struct file *file, void *priv,
921 struct v4l2_frequency *f)
922 {
923 struct cx8802_fh *fh = priv;
924 struct cx8802_dev *dev = fh->dev;
925 struct cx88_core *core = dev->core;
926
927 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
928 BLACKBIRD_END_NOW,
929 BLACKBIRD_MPEG_CAPTURE,
930 BLACKBIRD_RAW_BITS_NONE);
931 cx88_set_freq (core,f);
932 blackbird_initialize_codec(dev);
933 cx88_set_scale(dev->core, dev->width, dev->height,
934 fh->mpegq.field);
935 return 0;
936 }
937
938 static int vidioc_log_status (struct file *file, void *priv)
939 {
940 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
941 struct cx88_core *core = dev->core;
942 char name[32 + 2];
943
944 snprintf(name, sizeof(name), "%s/2", core->name);
945 printk("%s/2: ============ START LOG STATUS ============\n",
946 core->name);
947 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
948 cx2341x_log_status(&dev->params, name);
949 printk("%s/2: ============= END LOG STATUS =============\n",
950 core->name);
951 return 0;
952 }
953
954 static int vidioc_queryctrl (struct file *file, void *priv,
955 struct v4l2_queryctrl *qctrl)
956 {
957 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
958
959 if (blackbird_queryctrl(dev, qctrl) == 0)
960 return 0;
961
962 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
963 if (unlikely(qctrl->id == 0))
964 return -EINVAL;
965 return cx8800_ctrl_query(qctrl);
966 }
967
968 static int vidioc_enum_input (struct file *file, void *priv,
969 struct v4l2_input *i)
970 {
971 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
972 return cx88_enum_input (core,i);
973 }
974
975 static int vidioc_g_ctrl (struct file *file, void *priv,
976 struct v4l2_control *ctl)
977 {
978 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
979 return
980 cx88_get_control(core,ctl);
981 }
982
983 static int vidioc_s_ctrl (struct file *file, void *priv,
984 struct v4l2_control *ctl)
985 {
986 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
987 return
988 cx88_set_control(core,ctl);
989 }
990
991 static int vidioc_g_frequency (struct file *file, void *priv,
992 struct v4l2_frequency *f)
993 {
994 struct cx8802_fh *fh = priv;
995 struct cx88_core *core = fh->dev->core;
996
997 if (unlikely(UNSET == core->tuner_type))
998 return -EINVAL;
999
1000 f->type = V4L2_TUNER_ANALOG_TV;
1001 f->frequency = core->freq;
1002 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
1003
1004 return 0;
1005 }
1006
1007 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
1008 {
1009 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1010
1011 *i = core->input;
1012 return 0;
1013 }
1014
1015 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
1016 {
1017 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1018
1019 if (i >= 4)
1020 return -EINVAL;
1021
1022 mutex_lock(&core->lock);
1023 cx88_newstation(core);
1024 cx88_video_mux(core,i);
1025 mutex_unlock(&core->lock);
1026 return 0;
1027 }
1028
1029 static int vidioc_g_tuner (struct file *file, void *priv,
1030 struct v4l2_tuner *t)
1031 {
1032 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1033 u32 reg;
1034
1035 if (unlikely(UNSET == core->tuner_type))
1036 return -EINVAL;
1037 if (0 != t->index)
1038 return -EINVAL;
1039
1040 strcpy(t->name, "Television");
1041 t->type = V4L2_TUNER_ANALOG_TV;
1042 t->capability = V4L2_TUNER_CAP_NORM;
1043 t->rangehigh = 0xffffffffUL;
1044
1045 cx88_get_stereo(core ,t);
1046 reg = cx_read(MO_DEVICE_STATUS);
1047 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1048 return 0;
1049 }
1050
1051 static int vidioc_s_tuner (struct file *file, void *priv,
1052 struct v4l2_tuner *t)
1053 {
1054 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1055
1056 if (UNSET == core->tuner_type)
1057 return -EINVAL;
1058 if (0 != t->index)
1059 return -EINVAL;
1060
1061 cx88_set_stereo(core, t->audmode, 1);
1062 return 0;
1063 }
1064
1065 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1066 {
1067 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1068
1069 mutex_lock(&core->lock);
1070 cx88_set_tvnorm(core,*id);
1071 mutex_unlock(&core->lock);
1072 return 0;
1073 }
1074
1075 /* FIXME: cx88_ioctl_hook not implemented */
1076
1077 static int mpeg_open(struct inode *inode, struct file *file)
1078 {
1079 int minor = iminor(inode);
1080 struct cx8802_dev *dev = NULL;
1081 struct cx8802_fh *fh;
1082 struct cx8802_driver *drv = NULL;
1083 int err;
1084
1085 dev = cx8802_get_device(inode);
1086
1087 dprintk( 1, "%s\n", __FUNCTION__);
1088
1089 if (dev == NULL)
1090 return -ENODEV;
1091
1092 /* Make sure we can acquire the hardware */
1093 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1094 if (drv) {
1095 err = drv->request_acquire(drv);
1096 if(err != 0) {
1097 dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
1098 return err;
1099 }
1100 }
1101
1102 if (blackbird_initialize_codec(dev) < 0) {
1103 if (drv)
1104 drv->request_release(drv);
1105 return -EINVAL;
1106 }
1107 dprintk(1,"open minor=%d\n",minor);
1108
1109 /* allocate + initialize per filehandle data */
1110 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1111 if (NULL == fh) {
1112 if (drv)
1113 drv->request_release(drv);
1114 return -ENOMEM;
1115 }
1116 file->private_data = fh;
1117 fh->dev = dev;
1118
1119 videobuf_queue_init(&fh->mpegq, &blackbird_qops,
1120 dev->pci, &dev->slock,
1121 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1122 V4L2_FIELD_INTERLACED,
1123 sizeof(struct cx88_buffer),
1124 fh);
1125
1126 /* FIXME: locking against other video device */
1127 cx88_set_scale(dev->core, dev->width, dev->height,
1128 fh->mpegq.field);
1129
1130 return 0;
1131 }
1132
1133 static int mpeg_release(struct inode *inode, struct file *file)
1134 {
1135 struct cx8802_fh *fh = file->private_data;
1136 struct cx8802_dev *dev = NULL;
1137 struct cx8802_driver *drv = NULL;
1138
1139 /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1140 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1141 BLACKBIRD_END_NOW,
1142 BLACKBIRD_MPEG_CAPTURE,
1143 BLACKBIRD_RAW_BITS_NONE
1144 );
1145
1146 cx8802_cancel_buffers(fh->dev);
1147 /* stop mpeg capture */
1148 if (fh->mpegq.streaming)
1149 videobuf_streamoff(&fh->mpegq);
1150 if (fh->mpegq.reading)
1151 videobuf_read_stop(&fh->mpegq);
1152
1153 videobuf_mmap_free(&fh->mpegq);
1154 file->private_data = NULL;
1155 kfree(fh);
1156
1157 /* Make sure we release the hardware */
1158 dev = cx8802_get_device(inode);
1159 if (dev == NULL)
1160 return -ENODEV;
1161
1162 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1163 if (drv)
1164 drv->request_release(drv);
1165
1166 return 0;
1167 }
1168
1169 static ssize_t
1170 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1171 {
1172 struct cx8802_fh *fh = file->private_data;
1173
1174 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1175 file->f_flags & O_NONBLOCK);
1176 }
1177
1178 static unsigned int
1179 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1180 {
1181 struct cx8802_fh *fh = file->private_data;
1182
1183 return videobuf_poll_stream(file, &fh->mpegq, wait);
1184 }
1185
1186 static int
1187 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1188 {
1189 struct cx8802_fh *fh = file->private_data;
1190
1191 return videobuf_mmap_mapper(&fh->mpegq, vma);
1192 }
1193
1194 static const struct file_operations mpeg_fops =
1195 {
1196 .owner = THIS_MODULE,
1197 .open = mpeg_open,
1198 .release = mpeg_release,
1199 .read = mpeg_read,
1200 .poll = mpeg_poll,
1201 .mmap = mpeg_mmap,
1202 .ioctl = video_ioctl2,
1203 .llseek = no_llseek,
1204 };
1205
1206 static struct video_device cx8802_mpeg_template =
1207 {
1208 .name = "cx8802",
1209 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1210 .fops = &mpeg_fops,
1211 .minor = -1,
1212 .vidioc_querymenu = vidioc_querymenu,
1213 .vidioc_querycap = vidioc_querycap,
1214 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1215 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1216 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1217 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1218 .vidioc_reqbufs = vidioc_reqbufs,
1219 .vidioc_querybuf = vidioc_querybuf,
1220 .vidioc_qbuf = vidioc_qbuf,
1221 .vidioc_dqbuf = vidioc_dqbuf,
1222 .vidioc_streamon = vidioc_streamon,
1223 .vidioc_streamoff = vidioc_streamoff,
1224 .vidioc_g_mpegcomp = vidioc_g_mpegcomp,
1225 .vidioc_s_mpegcomp = vidioc_s_mpegcomp,
1226 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1227 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1228 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1229 .vidioc_s_frequency = vidioc_s_frequency,
1230 .vidioc_log_status = vidioc_log_status,
1231 .vidioc_queryctrl = vidioc_queryctrl,
1232 .vidioc_enum_input = vidioc_enum_input,
1233 .vidioc_g_ctrl = vidioc_g_ctrl,
1234 .vidioc_s_ctrl = vidioc_s_ctrl,
1235 .vidioc_g_frequency = vidioc_g_frequency,
1236 .vidioc_g_input = vidioc_g_input,
1237 .vidioc_s_input = vidioc_s_input,
1238 .vidioc_g_tuner = vidioc_g_tuner,
1239 .vidioc_s_tuner = vidioc_s_tuner,
1240 .vidioc_s_std = vidioc_s_std,
1241 .tvnorms = CX88_NORMS,
1242 .current_norm = V4L2_STD_NTSC_M,
1243 };
1244
1245 /* ------------------------------------------------------------------ */
1246
1247 /* The CX8802 MPEG API will call this when we can use the hardware */
1248 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1249 {
1250 struct cx88_core *core = drv->core;
1251 int err = 0;
1252
1253 switch (core->board) {
1254 case CX88_BOARD_HAUPPAUGE_HVR1300:
1255 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1256 * We left the hardware on power up with the cx22702 active.
1257 * We're being given access to re-arrange the GPIOs.
1258 * Take the bus off the cx22702 and put the cx23416 on it.
1259 */
1260 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1261 cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
1262 break;
1263 default:
1264 err = -ENODEV;
1265 }
1266 return err;
1267 }
1268
1269 /* The CX8802 MPEG API will call this when we need to release the hardware */
1270 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1271 {
1272 struct cx88_core *core = drv->core;
1273 int err = 0;
1274
1275 switch (core->board) {
1276 case CX88_BOARD_HAUPPAUGE_HVR1300:
1277 /* Exit leaving the cx23416 on the bus */
1278 break;
1279 default:
1280 err = -ENODEV;
1281 }
1282 return err;
1283 }
1284
1285 static void blackbird_unregister_video(struct cx8802_dev *dev)
1286 {
1287 if (dev->mpeg_dev) {
1288 if (-1 != dev->mpeg_dev->minor)
1289 video_unregister_device(dev->mpeg_dev);
1290 else
1291 video_device_release(dev->mpeg_dev);
1292 dev->mpeg_dev = NULL;
1293 }
1294 }
1295
1296 static int blackbird_register_video(struct cx8802_dev *dev)
1297 {
1298 int err;
1299
1300 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1301 &cx8802_mpeg_template,"mpeg");
1302 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1303 if (err < 0) {
1304 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1305 dev->core->name);
1306 return err;
1307 }
1308 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1309 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1310 return 0;
1311 }
1312
1313 /* ----------------------------------------------------------- */
1314
1315 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1316 {
1317 struct cx88_core *core = drv->core;
1318 struct cx8802_dev *dev = core->dvbdev;
1319 int err;
1320
1321 dprintk( 1, "%s\n", __FUNCTION__);
1322 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1323 core->board,
1324 core->name,
1325 core->pci_bus,
1326 core->pci_slot);
1327
1328 err = -ENODEV;
1329 if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1330 goto fail_core;
1331
1332 dev->width = 720;
1333 dev->height = 576;
1334 cx2341x_fill_defaults(&dev->params);
1335 dev->params.port = CX2341X_PORT_STREAMING;
1336
1337 cx8802_mpeg_template.current_norm = core->tvnorm;
1338
1339 if (core->tvnorm & V4L2_STD_525_60) {
1340 dev->height = 480;
1341 } else {
1342 dev->height = 576;
1343 }
1344
1345 /* blackbird stuff */
1346 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1347 core->name);
1348 host_setup(dev->core);
1349
1350 blackbird_register_video(dev);
1351
1352 /* initial device configuration: needed ? */
1353 mutex_lock(&dev->core->lock);
1354 // init_controls(core);
1355 cx88_set_tvnorm(core,core->tvnorm);
1356 cx88_video_mux(core,0);
1357 mutex_unlock(&dev->core->lock);
1358
1359 return 0;
1360
1361 fail_core:
1362 return err;
1363 }
1364
1365 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1366 {
1367 /* blackbird */
1368 blackbird_unregister_video(drv->core->dvbdev);
1369
1370 return 0;
1371 }
1372
1373 static struct cx8802_driver cx8802_blackbird_driver = {
1374 .type_id = CX88_MPEG_BLACKBIRD,
1375 .hw_access = CX8802_DRVCTL_SHARED,
1376 .probe = cx8802_blackbird_probe,
1377 .remove = cx8802_blackbird_remove,
1378 .advise_acquire = cx8802_blackbird_advise_acquire,
1379 .advise_release = cx8802_blackbird_advise_release,
1380 };
1381
1382 static int blackbird_init(void)
1383 {
1384 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1385 (CX88_VERSION_CODE >> 16) & 0xff,
1386 (CX88_VERSION_CODE >> 8) & 0xff,
1387 CX88_VERSION_CODE & 0xff);
1388 #ifdef SNAPSHOT
1389 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1390 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1391 #endif
1392 return cx8802_register_driver(&cx8802_blackbird_driver);
1393 }
1394
1395 static void blackbird_fini(void)
1396 {
1397 cx8802_unregister_driver(&cx8802_blackbird_driver);
1398 }
1399
1400 module_init(blackbird_init);
1401 module_exit(blackbird_fini);
1402
1403 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1404 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1405
1406 /* ----------------------------------------------------------- */
1407 /*
1408 * Local variables:
1409 * c-basic-offset: 8
1410 * End:
1411 * 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
1412 */
Linux kernel - Deliverables
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