?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
[media] cx88: don't use current_norm
[linux-2.6/libata-dev.git] / drivers / media / video / cx88 / cx88-blackbird.c
blobe3bc8f7fcff4cd7b7f43788979b72d0fbe626019
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.us>
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://sourceforge.net/projects/ivtv/>
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/init.h>
31 #include <linux/slab.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/v4l2-ioctl.h>
38 #include <media/v4l2-event.h>
39 #include <media/cx2341x.h>
40
41 #include "cx88.h"
42
43 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
44 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
45 MODULE_LICENSE("GPL");
46 MODULE_VERSION(CX88_VERSION);
47
48 static unsigned int mpegbufs = 32;
49 module_param(mpegbufs,int,0644);
50 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
51
52 static unsigned int debug;
53 module_param(debug,int,0644);
54 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
55
56 #define dprintk(level,fmt, arg...) if (debug >= level) \
57 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
58
59
60 /* ------------------------------------------------------------------ */
61
62 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
63
64 /* defines below are from ivtv-driver.h */
65
66 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
67
68 /* Firmware API commands */
69 #define IVTV_API_STD_TIMEOUT 500
70
71 enum blackbird_capture_type {
72 BLACKBIRD_MPEG_CAPTURE,
73 BLACKBIRD_RAW_CAPTURE,
74 BLACKBIRD_RAW_PASSTHRU_CAPTURE
75 };
76 enum blackbird_capture_bits {
77 BLACKBIRD_RAW_BITS_NONE = 0x00,
78 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
79 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
80 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
81 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
82 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
83 };
84 enum blackbird_capture_end {
85 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
86 BLACKBIRD_END_NOW, /* stop immediately, no irq */
87 };
88 enum blackbird_framerate {
89 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
90 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
91 };
92 enum blackbird_stream_port {
93 BLACKBIRD_OUTPUT_PORT_MEMORY,
94 BLACKBIRD_OUTPUT_PORT_STREAMING,
95 BLACKBIRD_OUTPUT_PORT_SERIAL
96 };
97 enum blackbird_data_xfer_status {
98 BLACKBIRD_MORE_BUFFERS_FOLLOW,
99 BLACKBIRD_LAST_BUFFER,
100 };
101 enum blackbird_picture_mask {
102 BLACKBIRD_PICTURE_MASK_NONE,
103 BLACKBIRD_PICTURE_MASK_I_FRAMES,
104 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
105 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
106 };
107 enum blackbird_vbi_mode_bits {
108 BLACKBIRD_VBI_BITS_SLICED,
109 BLACKBIRD_VBI_BITS_RAW,
110 };
111 enum blackbird_vbi_insertion_bits {
112 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
113 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
114 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
115 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
116 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
117 };
118 enum blackbird_dma_unit {
119 BLACKBIRD_DMA_BYTES,
120 BLACKBIRD_DMA_FRAMES,
121 };
122 enum blackbird_dma_transfer_status_bits {
123 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
124 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
125 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
126 };
127 enum blackbird_pause {
128 BLACKBIRD_PAUSE_ENCODING,
129 BLACKBIRD_RESUME_ENCODING,
130 };
131 enum blackbird_copyright {
132 BLACKBIRD_COPYRIGHT_OFF,
133 BLACKBIRD_COPYRIGHT_ON,
134 };
135 enum blackbird_notification_type {
136 BLACKBIRD_NOTIFICATION_REFRESH,
137 };
138 enum blackbird_notification_status {
139 BLACKBIRD_NOTIFICATION_OFF,
140 BLACKBIRD_NOTIFICATION_ON,
141 };
142 enum blackbird_notification_mailbox {
143 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
144 };
145 enum blackbird_field1_lines {
146 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
147 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
148 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
149 };
150 enum blackbird_field2_lines {
151 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
152 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
153 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
154 };
155 enum blackbird_custom_data_type {
156 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
157 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
158 };
159 enum blackbird_mute {
160 BLACKBIRD_UNMUTE,
161 BLACKBIRD_MUTE,
162 };
163 enum blackbird_mute_video_mask {
164 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
165 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
166 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
167 };
168 enum blackbird_mute_video_shift {
169 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
170 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
171 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
172 };
173
174 /* Registers */
175 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
176 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
177 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
178 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
179 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
180 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
181
182 /* ------------------------------------------------------------------ */
183
184 static void host_setup(struct cx88_core *core)
185 {
186 /* toggle reset of the host */
187 cx_write(MO_GPHST_SOFT_RST, 1);
188 udelay(100);
189 cx_write(MO_GPHST_SOFT_RST, 0);
190 udelay(100);
191
192 /* host port setup */
193 cx_write(MO_GPHST_WSC, 0x44444444U);
194 cx_write(MO_GPHST_XFR, 0);
195 cx_write(MO_GPHST_WDTH, 15);
196 cx_write(MO_GPHST_HDSHK, 0);
197 cx_write(MO_GPHST_MUX16, 0x44448888U);
198 cx_write(MO_GPHST_MODE, 0);
199 }
200
201 /* ------------------------------------------------------------------ */
202
203 #define P1_MDATA0 0x390000
204 #define P1_MDATA1 0x390001
205 #define P1_MDATA2 0x390002
206 #define P1_MDATA3 0x390003
207 #define P1_MADDR2 0x390004
208 #define P1_MADDR1 0x390005
209 #define P1_MADDR0 0x390006
210 #define P1_RDATA0 0x390008
211 #define P1_RDATA1 0x390009
212 #define P1_RDATA2 0x39000A
213 #define P1_RDATA3 0x39000B
214 #define P1_RADDR0 0x39000C
215 #define P1_RADDR1 0x39000D
216 #define P1_RRDWR 0x39000E
217
218 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
219 {
220 unsigned long timeout = jiffies + msecs_to_jiffies(1);
221 u32 gpio0,need;
222
223 need = state ? 2 : 0;
224 for (;;) {
225 gpio0 = cx_read(MO_GP0_IO) & 2;
226 if (need == gpio0)
227 return 0;
228 if (time_after(jiffies,timeout))
229 return -1;
230 udelay(1);
231 }
232 }
233
234 static int memory_write(struct cx88_core *core, u32 address, u32 value)
235 {
236 /* Warning: address is dword address (4 bytes) */
237 cx_writeb(P1_MDATA0, (unsigned int)value);
238 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
239 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
240 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
241 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
242 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
243 cx_writeb(P1_MADDR0, (unsigned int)address);
244 cx_read(P1_MDATA0);
245 cx_read(P1_MADDR0);
246
247 return wait_ready_gpio0_bit1(core,1);
248 }
249
250 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
251 {
252 int retval;
253 u32 val;
254
255 /* Warning: address is dword address (4 bytes) */
256 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
257 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
258 cx_writeb(P1_MADDR0, (unsigned int)address);
259 cx_read(P1_MADDR0);
260
261 retval = wait_ready_gpio0_bit1(core,1);
262
263 cx_writeb(P1_MDATA3, 0);
264 val = (unsigned char)cx_read(P1_MDATA3) << 24;
265 cx_writeb(P1_MDATA2, 0);
266 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
267 cx_writeb(P1_MDATA1, 0);
268 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
269 cx_writeb(P1_MDATA0, 0);
270 val |= (unsigned char)cx_read(P1_MDATA0);
271
272 *value = val;
273 return retval;
274 }
275
276 static int register_write(struct cx88_core *core, u32 address, u32 value)
277 {
278 cx_writeb(P1_RDATA0, (unsigned int)value);
279 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
280 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
281 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
282 cx_writeb(P1_RADDR0, (unsigned int)address);
283 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
284 cx_writeb(P1_RRDWR, 1);
285 cx_read(P1_RDATA0);
286 cx_read(P1_RADDR0);
287
288 return wait_ready_gpio0_bit1(core,1);
289 }
290
291
292 static int register_read(struct cx88_core *core, u32 address, u32 *value)
293 {
294 int retval;
295 u32 val;
296
297 cx_writeb(P1_RADDR0, (unsigned int)address);
298 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
299 cx_writeb(P1_RRDWR, 0);
300 cx_read(P1_RADDR0);
301
302 retval = wait_ready_gpio0_bit1(core,1);
303 val = (unsigned char)cx_read(P1_RDATA0);
304 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
305 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
306 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
307
308 *value = val;
309 return retval;
310 }
311
312 /* ------------------------------------------------------------------ */
313
314 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
315 {
316 struct cx8802_dev *dev = priv;
317 unsigned long timeout;
318 u32 value, flag, retval;
319 int i;
320
321 dprintk(1,"%s: 0x%X\n", __func__, command);
322
323 /* this may not be 100% safe if we can't read any memory location
324 without side effects */
325 memory_read(dev->core, dev->mailbox - 4, &value);
326 if (value != 0x12345678) {
327 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
328 return -1;
329 }
330
331 memory_read(dev->core, dev->mailbox, &flag);
332 if (flag) {
333 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
334 return -1;
335 }
336
337 flag |= 1; /* tell 'em we're working on it */
338 memory_write(dev->core, dev->mailbox, flag);
339
340 /* write command + args + fill remaining with zeros */
341 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
342 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
343 for (i = 0; i < in; i++) {
344 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
345 dprintk(1, "API Input %d = %d\n", i, data[i]);
346 }
347 for (; i < CX2341X_MBOX_MAX_DATA; i++)
348 memory_write(dev->core, dev->mailbox + 4 + i, 0);
349
350 flag |= 3; /* tell 'em we're done writing */
351 memory_write(dev->core, dev->mailbox, flag);
352
353 /* wait for firmware to handle the API command */
354 timeout = jiffies + msecs_to_jiffies(10);
355 for (;;) {
356 memory_read(dev->core, dev->mailbox, &flag);
357 if (0 != (flag & 4))
358 break;
359 if (time_after(jiffies,timeout)) {
360 dprintk(0, "ERROR: API Mailbox timeout\n");
361 return -1;
362 }
363 udelay(10);
364 }
365
366 /* read output values */
367 for (i = 0; i < out; i++) {
368 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
369 dprintk(1, "API Output %d = %d\n", i, data[i]);
370 }
371
372 memory_read(dev->core, dev->mailbox + 2, &retval);
373 dprintk(1, "API result = %d\n",retval);
374
375 flag = 0;
376 memory_write(dev->core, dev->mailbox, flag);
377 return retval;
378 }
379 /* ------------------------------------------------------------------ */
380
381 /* We don't need to call the API often, so using just one mailbox will probably suffice */
382 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
383 u32 inputcnt, u32 outputcnt, ...)
384 {
385 u32 data[CX2341X_MBOX_MAX_DATA];
386 va_list vargs;
387 int i, err;
388
389 va_start(vargs, outputcnt);
390
391 for (i = 0; i < inputcnt; i++) {
392 data[i] = va_arg(vargs, int);
393 }
394 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
395 for (i = 0; i < outputcnt; i++) {
396 int *vptr = va_arg(vargs, int *);
397 *vptr = data[i];
398 }
399 va_end(vargs);
400 return err;
401 }
402
403 static int blackbird_find_mailbox(struct cx8802_dev *dev)
404 {
405 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
406 int signaturecnt=0;
407 u32 value;
408 int i;
409
410 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
411 memory_read(dev->core, i, &value);
412 if (value == signature[signaturecnt])
413 signaturecnt++;
414 else
415 signaturecnt = 0;
416 if (4 == signaturecnt) {
417 dprintk(1, "Mailbox signature found\n");
418 return i+1;
419 }
420 }
421 dprintk(0, "Mailbox signature values not found!\n");
422 return -1;
423 }
424
425 static int blackbird_load_firmware(struct cx8802_dev *dev)
426 {
427 static const unsigned char magic[8] = {
428 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
429 };
430 const struct firmware *firmware;
431 int i, retval = 0;
432 u32 value = 0;
433 u32 checksum = 0;
434 u32 *dataptr;
435
436 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
437 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
438 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
439 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
440 msleep(1);
441 retval |= register_write(dev->core, IVTV_REG_APU, 0);
442
443 if (retval < 0)
444 dprintk(0, "Error with register_write\n");
445
446 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
447 &dev->pci->dev);
448
449
450 if (retval != 0) {
451 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
452 CX2341X_FIRM_ENC_FILENAME);
453 dprintk(0, "Please fix your hotplug setup, the board will "
454 "not work without firmware loaded!\n");
455 return -1;
456 }
457
458 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
459 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
460 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
461 release_firmware(firmware);
462 return -1;
463 }
464
465 if (0 != memcmp(firmware->data, magic, 8)) {
466 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
467 release_firmware(firmware);
468 return -1;
469 }
470
471 /* transfer to the chip */
472 dprintk(1,"Loading firmware ...\n");
473 dataptr = (u32*)firmware->data;
474 for (i = 0; i < (firmware->size >> 2); i++) {
475 value = le32_to_cpu(*dataptr);
476 checksum += ~value;
477 memory_write(dev->core, i, value);
478 dataptr++;
479 }
480
481 /* read back to verify with the checksum */
482 for (i--; i >= 0; i--) {
483 memory_read(dev->core, i, &value);
484 checksum -= ~value;
485 }
486 if (checksum) {
487 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
488 release_firmware(firmware);
489 return -1;
490 }
491 release_firmware(firmware);
492 dprintk(0, "Firmware upload successful.\n");
493
494 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
495 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
496 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
497 msleep(1);
498
499 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
500 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
501
502 if (retval < 0)
503 dprintk(0, "Error with register_write\n");
504 return 0;
505 }
506
507 /**
508 Settings used by the windows tv app for PVR2000:
509 =================================================================================================================
510 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
511 -----------------------------------------------------------------------------------------------------------------
512 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
515 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
516 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
517 =================================================================================================================
518 *DB: "DirectBurn"
519 */
520
521 static void blackbird_codec_settings(struct cx8802_dev *dev)
522 {
523 /* assign frame size */
524 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
525 dev->height, dev->width);
526
527 dev->cxhdl.width = dev->width;
528 dev->cxhdl.height = dev->height;
529 cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
530 cx2341x_handler_setup(&dev->cxhdl);
531 }
532
533 static int blackbird_initialize_codec(struct cx8802_dev *dev)
534 {
535 struct cx88_core *core = dev->core;
536 int version;
537 int retval;
538
539 dprintk(1,"Initialize codec\n");
540 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
541 if (retval < 0) {
542
543 dev->mpeg_active = 0;
544
545 /* ping was not successful, reset and upload firmware */
546 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
547 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
548 retval = blackbird_load_firmware(dev);
549 if (retval < 0)
550 return retval;
551
552 retval = blackbird_find_mailbox(dev);
553 if (retval < 0)
554 return -1;
555
556 dev->mailbox = retval;
557
558 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
559 if (retval < 0) {
560 dprintk(0, "ERROR: Firmware ping failed!\n");
561 return -1;
562 }
563
564 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
565 if (retval < 0) {
566 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
567 return -1;
568 }
569 dprintk(0, "Firmware version is 0x%08x\n", version);
570 }
571
572 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
573 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
574 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
575 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
576
577 blackbird_codec_settings(dev);
578
579 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
580 BLACKBIRD_FIELD1_SAA7115,
581 BLACKBIRD_FIELD2_SAA7115
582 );
583
584 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
585 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
586 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
587
588 return 0;
589 }
590
591 static int blackbird_start_codec(struct file *file, void *priv)
592 {
593 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
594 struct cx88_core *core = dev->core;
595 /* start capturing to the host interface */
596 u32 reg;
597
598 int i;
599 int lastchange = -1;
600 int lastval = 0;
601
602 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
603 reg = cx_read(AUD_STATUS);
604
605 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
606 if ((reg & 0x0F) != lastval) {
607 lastval = reg & 0x0F;
608 lastchange = i;
609 }
610 msleep(100);
611 }
612
613 /* unmute audio source */
614 cx_clear(AUD_VOL_CTL, (1 << 6));
615
616 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
617
618 /* initialize the video input */
619 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
620
621 cx2341x_handler_set_busy(&dev->cxhdl, 1);
622
623 /* start capturing to the host interface */
624 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
625 BLACKBIRD_MPEG_CAPTURE,
626 BLACKBIRD_RAW_BITS_NONE
627 );
628
629 dev->mpeg_active = 1;
630 return 0;
631 }
632
633 static int blackbird_stop_codec(struct cx8802_dev *dev)
634 {
635 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
636 BLACKBIRD_END_NOW,
637 BLACKBIRD_MPEG_CAPTURE,
638 BLACKBIRD_RAW_BITS_NONE
639 );
640
641 cx2341x_handler_set_busy(&dev->cxhdl, 0);
642
643 dev->mpeg_active = 0;
644 return 0;
645 }
646
647 /* ------------------------------------------------------------------ */
648
649 static int bb_buf_setup(struct videobuf_queue *q,
650 unsigned int *count, unsigned int *size)
651 {
652 struct cx8802_fh *fh = q->priv_data;
653
654 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
655 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
656
657 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
658 *count = fh->dev->ts_packet_count;
659 return 0;
660 }
661
662 static int
663 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
664 enum v4l2_field field)
665 {
666 struct cx8802_fh *fh = q->priv_data;
667 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
668 }
669
670 static void
671 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
672 {
673 struct cx8802_fh *fh = q->priv_data;
674 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
675 }
676
677 static void
678 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
679 {
680 cx88_free_buffer(q, (struct cx88_buffer*)vb);
681 }
682
683 static struct videobuf_queue_ops blackbird_qops = {
684 .buf_setup = bb_buf_setup,
685 .buf_prepare = bb_buf_prepare,
686 .buf_queue = bb_buf_queue,
687 .buf_release = bb_buf_release,
688 };
689
690 /* ------------------------------------------------------------------ */
691
692 static int vidioc_querycap(struct file *file, void *priv,
693 struct v4l2_capability *cap)
694 {
695 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
696 struct cx88_core *core = dev->core;
697
698 strcpy(cap->driver, "cx88_blackbird");
699 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
700 cx88_querycap(file, core, cap);
701 return 0;
702 }
703
704 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
705 struct v4l2_fmtdesc *f)
706 {
707 if (f->index != 0)
708 return -EINVAL;
709
710 strlcpy(f->description, "MPEG", sizeof(f->description));
711 f->pixelformat = V4L2_PIX_FMT_MPEG;
712 f->flags = V4L2_FMT_FLAG_COMPRESSED;
713 return 0;
714 }
715
716 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
717 struct v4l2_format *f)
718 {
719 struct cx8802_fh *fh = priv;
720 struct cx8802_dev *dev = fh->dev;
721
722 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
723 f->fmt.pix.bytesperline = 0;
724 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
725 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
726 f->fmt.pix.width = dev->width;
727 f->fmt.pix.height = dev->height;
728 f->fmt.pix.field = fh->mpegq.field;
729 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
730 dev->width, dev->height, fh->mpegq.field );
731 return 0;
732 }
733
734 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
735 struct v4l2_format *f)
736 {
737 struct cx8802_fh *fh = priv;
738 struct cx8802_dev *dev = fh->dev;
739
740 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
741 f->fmt.pix.bytesperline = 0;
742 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
743 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
744 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
745 dev->width, dev->height, fh->mpegq.field );
746 return 0;
747 }
748
749 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
750 struct v4l2_format *f)
751 {
752 struct cx8802_fh *fh = priv;
753 struct cx8802_dev *dev = fh->dev;
754 struct cx88_core *core = dev->core;
755
756 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
757 f->fmt.pix.bytesperline = 0;
758 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */;
759 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
760 dev->width = f->fmt.pix.width;
761 dev->height = f->fmt.pix.height;
762 fh->mpegq.field = f->fmt.pix.field;
763 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
764 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
765 f->fmt.pix.height, f->fmt.pix.width);
766 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
767 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
768 return 0;
769 }
770
771 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
772 {
773 struct cx8802_fh *fh = priv;
774 return (videobuf_reqbufs(&fh->mpegq, p));
775 }
776
777 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
778 {
779 struct cx8802_fh *fh = priv;
780 return (videobuf_querybuf(&fh->mpegq, p));
781 }
782
783 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
784 {
785 struct cx8802_fh *fh = priv;
786 return (videobuf_qbuf(&fh->mpegq, p));
787 }
788
789 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
790 {
791 struct cx8802_fh *fh = priv;
792 return (videobuf_dqbuf(&fh->mpegq, p,
793 file->f_flags & O_NONBLOCK));
794 }
795
796 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
797 {
798 struct cx8802_fh *fh = priv;
799 struct cx8802_dev *dev = fh->dev;
800
801 if (!dev->mpeg_active)
802 blackbird_start_codec(file, fh);
803 return videobuf_streamon(&fh->mpegq);
804 }
805
806 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
807 {
808 struct cx8802_fh *fh = priv;
809 struct cx8802_dev *dev = fh->dev;
810
811 if (dev->mpeg_active)
812 blackbird_stop_codec(dev);
813 return videobuf_streamoff(&fh->mpegq);
814 }
815
816 static int vidioc_s_frequency (struct file *file, void *priv,
817 struct v4l2_frequency *f)
818 {
819 struct cx8802_fh *fh = priv;
820 struct cx8802_dev *dev = fh->dev;
821 struct cx88_core *core = dev->core;
822
823 if (unlikely(UNSET == core->board.tuner_type))
824 return -EINVAL;
825 if (unlikely(f->tuner != 0))
826 return -EINVAL;
827 if (dev->mpeg_active)
828 blackbird_stop_codec(dev);
829
830 cx88_set_freq (core,f);
831 blackbird_initialize_codec(dev);
832 cx88_set_scale(dev->core, dev->width, dev->height,
833 fh->mpegq.field);
834 return 0;
835 }
836
837 static int vidioc_log_status (struct file *file, void *priv)
838 {
839 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
840 struct cx88_core *core = dev->core;
841 char name[32 + 2];
842
843 snprintf(name, sizeof(name), "%s/2", core->name);
844 call_all(core, core, log_status);
845 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
846 return 0;
847 }
848
849 static int vidioc_enum_input (struct file *file, void *priv,
850 struct v4l2_input *i)
851 {
852 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
853 return cx88_enum_input (core,i);
854 }
855
856 static int vidioc_g_frequency (struct file *file, void *priv,
857 struct v4l2_frequency *f)
858 {
859 struct cx8802_fh *fh = priv;
860 struct cx88_core *core = fh->dev->core;
861
862 if (unlikely(UNSET == core->board.tuner_type))
863 return -EINVAL;
864 if (unlikely(f->tuner != 0))
865 return -EINVAL;
866
867 f->frequency = core->freq;
868 call_all(core, tuner, g_frequency, f);
869
870 return 0;
871 }
872
873 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
874 {
875 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
876
877 *i = core->input;
878 return 0;
879 }
880
881 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
882 {
883 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
884
885 if (i >= 4)
886 return -EINVAL;
887 if (0 == INPUT(i).type)
888 return -EINVAL;
889
890 mutex_lock(&core->lock);
891 cx88_newstation(core);
892 cx88_video_mux(core,i);
893 mutex_unlock(&core->lock);
894 return 0;
895 }
896
897 static int vidioc_g_tuner (struct file *file, void *priv,
898 struct v4l2_tuner *t)
899 {
900 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
901 u32 reg;
902
903 if (unlikely(UNSET == core->board.tuner_type))
904 return -EINVAL;
905 if (0 != t->index)
906 return -EINVAL;
907
908 strcpy(t->name, "Television");
909 t->capability = V4L2_TUNER_CAP_NORM;
910 t->rangehigh = 0xffffffffUL;
911 call_all(core, tuner, g_tuner, t);
912
913 cx88_get_stereo(core ,t);
914 reg = cx_read(MO_DEVICE_STATUS);
915 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
916 return 0;
917 }
918
919 static int vidioc_s_tuner (struct file *file, void *priv,
920 struct v4l2_tuner *t)
921 {
922 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
923
924 if (UNSET == core->board.tuner_type)
925 return -EINVAL;
926 if (0 != t->index)
927 return -EINVAL;
928
929 cx88_set_stereo(core, t->audmode, 1);
930 return 0;
931 }
932
933 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
934 {
935 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
936
937 *tvnorm = core->tvnorm;
938 return 0;
939 }
940
941 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
942 {
943 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
944
945 mutex_lock(&core->lock);
946 cx88_set_tvnorm(core,*id);
947 mutex_unlock(&core->lock);
948 return 0;
949 }
950
951 /* FIXME: cx88_ioctl_hook not implemented */
952
953 static int mpeg_open(struct file *file)
954 {
955 struct video_device *vdev = video_devdata(file);
956 struct cx8802_dev *dev = video_drvdata(file);
957 struct cx8802_fh *fh;
958 struct cx8802_driver *drv = NULL;
959 int err;
960
961 dprintk( 1, "%s\n", __func__);
962
963 mutex_lock(&dev->core->lock);
964
965 /* Make sure we can acquire the hardware */
966 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
967 if (!drv) {
968 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
969 mutex_unlock(&dev->core->lock);
970 return -ENODEV;
971 }
972
973 err = drv->request_acquire(drv);
974 if (err != 0) {
975 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
976 mutex_unlock(&dev->core->lock);
977 return err;
978 }
979
980 if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
981 drv->request_release(drv);
982 mutex_unlock(&dev->core->lock);
983 return -EINVAL;
984 }
985 dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
986
987 /* allocate + initialize per filehandle data */
988 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
989 if (NULL == fh) {
990 drv->request_release(drv);
991 mutex_unlock(&dev->core->lock);
992 return -ENOMEM;
993 }
994 v4l2_fh_init(&fh->fh, vdev);
995 file->private_data = fh;
996 fh->dev = dev;
997
998 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
999 &dev->pci->dev, &dev->slock,
1000 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1001 V4L2_FIELD_INTERLACED,
1002 sizeof(struct cx88_buffer),
1003 fh, NULL);
1004
1005 /* FIXME: locking against other video device */
1006 cx88_set_scale(dev->core, dev->width, dev->height,
1007 fh->mpegq.field);
1008
1009 dev->core->mpeg_users++;
1010 mutex_unlock(&dev->core->lock);
1011 v4l2_fh_add(&fh->fh);
1012 return 0;
1013 }
1014
1015 static int mpeg_release(struct file *file)
1016 {
1017 struct cx8802_fh *fh = file->private_data;
1018 struct cx8802_dev *dev = fh->dev;
1019 struct cx8802_driver *drv = NULL;
1020
1021 mutex_lock(&dev->core->lock);
1022
1023 if (dev->mpeg_active && dev->core->mpeg_users == 1)
1024 blackbird_stop_codec(dev);
1025
1026 cx8802_cancel_buffers(fh->dev);
1027 /* stop mpeg capture */
1028 videobuf_stop(&fh->mpegq);
1029
1030 videobuf_mmap_free(&fh->mpegq);
1031
1032 v4l2_fh_del(&fh->fh);
1033 v4l2_fh_exit(&fh->fh);
1034 file->private_data = NULL;
1035 kfree(fh);
1036
1037 /* Make sure we release the hardware */
1038 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1039 WARN_ON(!drv);
1040 if (drv)
1041 drv->request_release(drv);
1042
1043 dev->core->mpeg_users--;
1044
1045 mutex_unlock(&dev->core->lock);
1046
1047 return 0;
1048 }
1049
1050 static ssize_t
1051 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1052 {
1053 struct cx8802_fh *fh = file->private_data;
1054 struct cx8802_dev *dev = fh->dev;
1055
1056 if (!dev->mpeg_active)
1057 blackbird_start_codec(file, fh);
1058
1059 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1060 file->f_flags & O_NONBLOCK);
1061 }
1062
1063 static unsigned int
1064 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1065 {
1066 unsigned long req_events = poll_requested_events(wait);
1067 struct cx8802_fh *fh = file->private_data;
1068 struct cx8802_dev *dev = fh->dev;
1069
1070 if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
1071 blackbird_start_codec(file, fh);
1072
1073 return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait);
1074 }
1075
1076 static int
1077 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1078 {
1079 struct cx8802_fh *fh = file->private_data;
1080
1081 return videobuf_mmap_mapper(&fh->mpegq, vma);
1082 }
1083
1084 static const struct v4l2_file_operations mpeg_fops =
1085 {
1086 .owner = THIS_MODULE,
1087 .open = mpeg_open,
1088 .release = mpeg_release,
1089 .read = mpeg_read,
1090 .poll = mpeg_poll,
1091 .mmap = mpeg_mmap,
1092 .ioctl = video_ioctl2,
1093 };
1094
1095 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1096 .vidioc_querycap = vidioc_querycap,
1097 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1098 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1099 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1100 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1101 .vidioc_reqbufs = vidioc_reqbufs,
1102 .vidioc_querybuf = vidioc_querybuf,
1103 .vidioc_qbuf = vidioc_qbuf,
1104 .vidioc_dqbuf = vidioc_dqbuf,
1105 .vidioc_streamon = vidioc_streamon,
1106 .vidioc_streamoff = vidioc_streamoff,
1107 .vidioc_s_frequency = vidioc_s_frequency,
1108 .vidioc_log_status = vidioc_log_status,
1109 .vidioc_enum_input = vidioc_enum_input,
1110 .vidioc_g_frequency = vidioc_g_frequency,
1111 .vidioc_g_input = vidioc_g_input,
1112 .vidioc_s_input = vidioc_s_input,
1113 .vidioc_g_tuner = vidioc_g_tuner,
1114 .vidioc_s_tuner = vidioc_s_tuner,
1115 .vidioc_g_std = vidioc_g_std,
1116 .vidioc_s_std = vidioc_s_std,
1117 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1118 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1119 };
1120
1121 static struct video_device cx8802_mpeg_template = {
1122 .name = "cx8802",
1123 .fops = &mpeg_fops,
1124 .ioctl_ops = &mpeg_ioctl_ops,
1125 .tvnorms = CX88_NORMS,
1126 };
1127
1128 /* ------------------------------------------------------------------ */
1129
1130 /* The CX8802 MPEG API will call this when we can use the hardware */
1131 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1132 {
1133 struct cx88_core *core = drv->core;
1134 int err = 0;
1135
1136 switch (core->boardnr) {
1137 case CX88_BOARD_HAUPPAUGE_HVR1300:
1138 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1139 * We left the hardware on power up with the cx22702 active.
1140 * We're being given access to re-arrange the GPIOs.
1141 * Take the bus off the cx22702 and put the cx23416 on it.
1142 */
1143 /* Toggle reset on cx22702 leaving i2c active */
1144 cx_set(MO_GP0_IO, 0x00000080);
1145 udelay(1000);
1146 cx_clear(MO_GP0_IO, 0x00000080);
1147 udelay(50);
1148 cx_set(MO_GP0_IO, 0x00000080);
1149 udelay(1000);
1150 /* tri-state the cx22702 pins */
1151 cx_set(MO_GP0_IO, 0x00000004);
1152 udelay(1000);
1153 break;
1154 default:
1155 err = -ENODEV;
1156 }
1157 return err;
1158 }
1159
1160 /* The CX8802 MPEG API will call this when we need to release the hardware */
1161 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1162 {
1163 struct cx88_core *core = drv->core;
1164 int err = 0;
1165
1166 switch (core->boardnr) {
1167 case CX88_BOARD_HAUPPAUGE_HVR1300:
1168 /* Exit leaving the cx23416 on the bus */
1169 break;
1170 default:
1171 err = -ENODEV;
1172 }
1173 return err;
1174 }
1175
1176 static void blackbird_unregister_video(struct cx8802_dev *dev)
1177 {
1178 if (dev->mpeg_dev) {
1179 if (video_is_registered(dev->mpeg_dev))
1180 video_unregister_device(dev->mpeg_dev);
1181 else
1182 video_device_release(dev->mpeg_dev);
1183 dev->mpeg_dev = NULL;
1184 }
1185 }
1186
1187 static int blackbird_register_video(struct cx8802_dev *dev)
1188 {
1189 int err;
1190
1191 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1192 &cx8802_mpeg_template,"mpeg");
1193 dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl;
1194 video_set_drvdata(dev->mpeg_dev, dev);
1195 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1196 if (err < 0) {
1197 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1198 dev->core->name);
1199 return err;
1200 }
1201 printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1202 dev->core->name, video_device_node_name(dev->mpeg_dev));
1203 return 0;
1204 }
1205
1206 /* ----------------------------------------------------------- */
1207
1208 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1209 {
1210 struct cx88_core *core = drv->core;
1211 struct cx8802_dev *dev = core->dvbdev;
1212 int err;
1213
1214 dprintk( 1, "%s\n", __func__);
1215 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1216 core->boardnr,
1217 core->name,
1218 core->pci_bus,
1219 core->pci_slot);
1220
1221 err = -ENODEV;
1222 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1223 goto fail_core;
1224
1225 dev->width = 720;
1226 if (core->tvnorm & V4L2_STD_525_60) {
1227 dev->height = 480;
1228 } else {
1229 dev->height = 576;
1230 }
1231 dev->cxhdl.port = CX2341X_PORT_STREAMING;
1232 dev->cxhdl.width = dev->width;
1233 dev->cxhdl.height = dev->height;
1234 dev->cxhdl.func = blackbird_mbox_func;
1235 dev->cxhdl.priv = dev;
1236 err = cx2341x_handler_init(&dev->cxhdl, 36);
1237 if (err)
1238 goto fail_core;
1239 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl);
1240
1241 /* blackbird stuff */
1242 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1243 core->name);
1244 host_setup(dev->core);
1245
1246 blackbird_initialize_codec(dev);
1247
1248 /* initial device configuration: needed ? */
1249 // init_controls(core);
1250 cx88_set_tvnorm(core,core->tvnorm);
1251 cx88_video_mux(core,0);
1252 cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576);
1253 cx2341x_handler_setup(&dev->cxhdl);
1254 blackbird_register_video(dev);
1255
1256 return 0;
1257
1258 fail_core:
1259 return err;
1260 }
1261
1262 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1263 {
1264 struct cx88_core *core = drv->core;
1265 struct cx8802_dev *dev = core->dvbdev;
1266
1267 /* blackbird */
1268 blackbird_unregister_video(drv->core->dvbdev);
1269 v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1270
1271 return 0;
1272 }
1273
1274 static struct cx8802_driver cx8802_blackbird_driver = {
1275 .type_id = CX88_MPEG_BLACKBIRD,
1276 .hw_access = CX8802_DRVCTL_SHARED,
1277 .probe = cx8802_blackbird_probe,
1278 .remove = cx8802_blackbird_remove,
1279 .advise_acquire = cx8802_blackbird_advise_acquire,
1280 .advise_release = cx8802_blackbird_advise_release,
1281 };
1282
1283 static int __init blackbird_init(void)
1284 {
1285 printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1286 CX88_VERSION);
1287 return cx8802_register_driver(&cx8802_blackbird_driver);
1288 }
1289
1290 static void __exit blackbird_fini(void)
1291 {
1292 cx8802_unregister_driver(&cx8802_blackbird_driver);
1293 }
1294
1295 module_init(blackbird_init);
1296 module_exit(blackbird_fini);
1297
1298 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1299 MODULE_PARM_DESC(debug,"enable debug messages [video]");
Linux 2.6 libata-dev (mirror)