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/cx2341x.h>
39
40 #include "cx88.h"
41
42 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
43 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
44 MODULE_LICENSE("GPL");
45 MODULE_VERSION(CX88_VERSION);
46
47 static unsigned int mpegbufs = 32;
48 module_param(mpegbufs,int,0644);
49 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
50
51 static unsigned int debug;
52 module_param(debug,int,0644);
53 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
54
55 #define dprintk(level,fmt, arg...) if (debug >= level) \
56 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
57
58
59 /* ------------------------------------------------------------------ */
60
61 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
62
63 /* defines below are from ivtv-driver.h */
64
65 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
66
67 /* Firmware API commands */
68 #define IVTV_API_STD_TIMEOUT 500
69
70 enum blackbird_capture_type {
71 BLACKBIRD_MPEG_CAPTURE,
72 BLACKBIRD_RAW_CAPTURE,
73 BLACKBIRD_RAW_PASSTHRU_CAPTURE
74 };
75 enum blackbird_capture_bits {
76 BLACKBIRD_RAW_BITS_NONE = 0x00,
77 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
78 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
79 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
80 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
81 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
82 };
83 enum blackbird_capture_end {
84 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
85 BLACKBIRD_END_NOW, /* stop immediately, no irq */
86 };
87 enum blackbird_framerate {
88 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
89 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
90 };
91 enum blackbird_stream_port {
92 BLACKBIRD_OUTPUT_PORT_MEMORY,
93 BLACKBIRD_OUTPUT_PORT_STREAMING,
94 BLACKBIRD_OUTPUT_PORT_SERIAL
95 };
96 enum blackbird_data_xfer_status {
97 BLACKBIRD_MORE_BUFFERS_FOLLOW,
98 BLACKBIRD_LAST_BUFFER,
99 };
100 enum blackbird_picture_mask {
101 BLACKBIRD_PICTURE_MASK_NONE,
102 BLACKBIRD_PICTURE_MASK_I_FRAMES,
103 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
104 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
105 };
106 enum blackbird_vbi_mode_bits {
107 BLACKBIRD_VBI_BITS_SLICED,
108 BLACKBIRD_VBI_BITS_RAW,
109 };
110 enum blackbird_vbi_insertion_bits {
111 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
112 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
113 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
114 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
115 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
116 };
117 enum blackbird_dma_unit {
118 BLACKBIRD_DMA_BYTES,
119 BLACKBIRD_DMA_FRAMES,
120 };
121 enum blackbird_dma_transfer_status_bits {
122 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
123 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
124 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
125 };
126 enum blackbird_pause {
127 BLACKBIRD_PAUSE_ENCODING,
128 BLACKBIRD_RESUME_ENCODING,
129 };
130 enum blackbird_copyright {
131 BLACKBIRD_COPYRIGHT_OFF,
132 BLACKBIRD_COPYRIGHT_ON,
133 };
134 enum blackbird_notification_type {
135 BLACKBIRD_NOTIFICATION_REFRESH,
136 };
137 enum blackbird_notification_status {
138 BLACKBIRD_NOTIFICATION_OFF,
139 BLACKBIRD_NOTIFICATION_ON,
140 };
141 enum blackbird_notification_mailbox {
142 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
143 };
144 enum blackbird_field1_lines {
145 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
146 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
147 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
148 };
149 enum blackbird_field2_lines {
150 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
151 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
152 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
153 };
154 enum blackbird_custom_data_type {
155 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
156 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
157 };
158 enum blackbird_mute {
159 BLACKBIRD_UNMUTE,
160 BLACKBIRD_MUTE,
161 };
162 enum blackbird_mute_video_mask {
163 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
164 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
165 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
166 };
167 enum blackbird_mute_video_shift {
168 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
169 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
170 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
171 };
172
173 /* Registers */
174 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
176 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
177 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
178 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
179 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
180
181 /* ------------------------------------------------------------------ */
182
host_setup(struct cx88_core * core)183 static void host_setup(struct cx88_core *core)
184 {
185 /* toggle reset of the host */
186 cx_write(MO_GPHST_SOFT_RST, 1);
187 udelay(100);
188 cx_write(MO_GPHST_SOFT_RST, 0);
189 udelay(100);
190
191 /* host port setup */
192 cx_write(MO_GPHST_WSC, 0x44444444U);
193 cx_write(MO_GPHST_XFR, 0);
194 cx_write(MO_GPHST_WDTH, 15);
195 cx_write(MO_GPHST_HDSHK, 0);
196 cx_write(MO_GPHST_MUX16, 0x44448888U);
197 cx_write(MO_GPHST_MODE, 0);
198 }
199
200 /* ------------------------------------------------------------------ */
201
202 #define P1_MDATA0 0x390000
203 #define P1_MDATA1 0x390001
204 #define P1_MDATA2 0x390002
205 #define P1_MDATA3 0x390003
206 #define P1_MADDR2 0x390004
207 #define P1_MADDR1 0x390005
208 #define P1_MADDR0 0x390006
209 #define P1_RDATA0 0x390008
210 #define P1_RDATA1 0x390009
211 #define P1_RDATA2 0x39000A
212 #define P1_RDATA3 0x39000B
213 #define P1_RADDR0 0x39000C
214 #define P1_RADDR1 0x39000D
215 #define P1_RRDWR 0x39000E
216
wait_ready_gpio0_bit1(struct cx88_core * core,u32 state)217 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
218 {
219 unsigned long timeout = jiffies + msecs_to_jiffies(1);
220 u32 gpio0,need;
221
222 need = state ? 2 : 0;
223 for (;;) {
224 gpio0 = cx_read(MO_GP0_IO) & 2;
225 if (need == gpio0)
226 return 0;
227 if (time_after(jiffies,timeout))
228 return -1;
229 udelay(1);
230 }
231 }
232
memory_write(struct cx88_core * core,u32 address,u32 value)233 static int memory_write(struct cx88_core *core, u32 address, u32 value)
234 {
235 /* Warning: address is dword address (4 bytes) */
236 cx_writeb(P1_MDATA0, (unsigned int)value);
237 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
238 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
239 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
240 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
241 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
242 cx_writeb(P1_MADDR0, (unsigned int)address);
243 cx_read(P1_MDATA0);
244 cx_read(P1_MADDR0);
245
246 return wait_ready_gpio0_bit1(core,1);
247 }
248
memory_read(struct cx88_core * core,u32 address,u32 * value)249 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
250 {
251 int retval;
252 u32 val;
253
254 /* Warning: address is dword address (4 bytes) */
255 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
256 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
257 cx_writeb(P1_MADDR0, (unsigned int)address);
258 cx_read(P1_MADDR0);
259
260 retval = wait_ready_gpio0_bit1(core,1);
261
262 cx_writeb(P1_MDATA3, 0);
263 val = (unsigned char)cx_read(P1_MDATA3) << 24;
264 cx_writeb(P1_MDATA2, 0);
265 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
266 cx_writeb(P1_MDATA1, 0);
267 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
268 cx_writeb(P1_MDATA0, 0);
269 val |= (unsigned char)cx_read(P1_MDATA0);
270
271 *value = val;
272 return retval;
273 }
274
register_write(struct cx88_core * core,u32 address,u32 value)275 static int register_write(struct cx88_core *core, u32 address, u32 value)
276 {
277 cx_writeb(P1_RDATA0, (unsigned int)value);
278 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
279 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
280 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
281 cx_writeb(P1_RADDR0, (unsigned int)address);
282 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
283 cx_writeb(P1_RRDWR, 1);
284 cx_read(P1_RDATA0);
285 cx_read(P1_RADDR0);
286
287 return wait_ready_gpio0_bit1(core,1);
288 }
289
290
register_read(struct cx88_core * core,u32 address,u32 * value)291 static int register_read(struct cx88_core *core, u32 address, u32 *value)
292 {
293 int retval;
294 u32 val;
295
296 cx_writeb(P1_RADDR0, (unsigned int)address);
297 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
298 cx_writeb(P1_RRDWR, 0);
299 cx_read(P1_RADDR0);
300
301 retval = wait_ready_gpio0_bit1(core,1);
302 val = (unsigned char)cx_read(P1_RDATA0);
303 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
304 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
305 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
306
307 *value = val;
308 return retval;
309 }
310
311 /* ------------------------------------------------------------------ */
312
blackbird_mbox_func(void * priv,u32 command,int in,int out,u32 data[CX2341X_MBOX_MAX_DATA])313 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
314 {
315 struct cx8802_dev *dev = priv;
316 unsigned long timeout;
317 u32 value, flag, retval;
318 int i;
319
320 dprintk(1,"%s: 0x%X\n", __func__, command);
321
322 /* this may not be 100% safe if we can't read any memory location
323 without side effects */
324 memory_read(dev->core, dev->mailbox - 4, &value);
325 if (value != 0x12345678) {
326 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
327 return -1;
328 }
329
330 memory_read(dev->core, dev->mailbox, &flag);
331 if (flag) {
332 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
333 return -1;
334 }
335
336 flag |= 1; /* tell 'em we're working on it */
337 memory_write(dev->core, dev->mailbox, flag);
338
339 /* write command + args + fill remaining with zeros */
340 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
341 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
342 for (i = 0; i < in; i++) {
343 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
344 dprintk(1, "API Input %d = %d\n", i, data[i]);
345 }
346 for (; i < CX2341X_MBOX_MAX_DATA; i++)
347 memory_write(dev->core, dev->mailbox + 4 + i, 0);
348
349 flag |= 3; /* tell 'em we're done writing */
350 memory_write(dev->core, dev->mailbox, flag);
351
352 /* wait for firmware to handle the API command */
353 timeout = jiffies + msecs_to_jiffies(10);
354 for (;;) {
355 memory_read(dev->core, dev->mailbox, &flag);
356 if (0 != (flag & 4))
357 break;
358 if (time_after(jiffies,timeout)) {
359 dprintk(0, "ERROR: API Mailbox timeout\n");
360 return -1;
361 }
362 udelay(10);
363 }
364
365 /* read output values */
366 for (i = 0; i < out; i++) {
367 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
368 dprintk(1, "API Output %d = %d\n", i, data[i]);
369 }
370
371 memory_read(dev->core, dev->mailbox + 2, &retval);
372 dprintk(1, "API result = %d\n",retval);
373
374 flag = 0;
375 memory_write(dev->core, dev->mailbox, flag);
376 return retval;
377 }
378 /* ------------------------------------------------------------------ */
379
380 /* We don't need to call the API often, so using just one mailbox will probably suffice */
blackbird_api_cmd(struct cx8802_dev * dev,u32 command,u32 inputcnt,u32 outputcnt,...)381 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
382 u32 inputcnt, u32 outputcnt, ...)
383 {
384 u32 data[CX2341X_MBOX_MAX_DATA];
385 va_list vargs;
386 int i, err;
387
388 va_start(vargs, outputcnt);
389
390 for (i = 0; i < inputcnt; i++) {
391 data[i] = va_arg(vargs, int);
392 }
393 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
394 for (i = 0; i < outputcnt; i++) {
395 int *vptr = va_arg(vargs, int *);
396 *vptr = data[i];
397 }
398 va_end(vargs);
399 return err;
400 }
401
blackbird_find_mailbox(struct cx8802_dev * dev)402 static int blackbird_find_mailbox(struct cx8802_dev *dev)
403 {
404 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
405 int signaturecnt=0;
406 u32 value;
407 int i;
408
409 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
410 memory_read(dev->core, i, &value);
411 if (value == signature[signaturecnt])
412 signaturecnt++;
413 else
414 signaturecnt = 0;
415 if (4 == signaturecnt) {
416 dprintk(1, "Mailbox signature found\n");
417 return i+1;
418 }
419 }
420 dprintk(0, "Mailbox signature values not found!\n");
421 return -1;
422 }
423
blackbird_load_firmware(struct cx8802_dev * dev)424 static int blackbird_load_firmware(struct cx8802_dev *dev)
425 {
426 static const unsigned char magic[8] = {
427 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
428 };
429 const struct firmware *firmware;
430 int i, retval = 0;
431 u32 value = 0;
432 u32 checksum = 0;
433 u32 *dataptr;
434
435 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
436 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
437 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
438 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
439 msleep(1);
440 retval |= register_write(dev->core, IVTV_REG_APU, 0);
441
442 if (retval < 0)
443 dprintk(0, "Error with register_write\n");
444
445 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
446 &dev->pci->dev);
447
448
449 if (retval != 0) {
450 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
451 CX2341X_FIRM_ENC_FILENAME);
452 dprintk(0, "Please fix your hotplug setup, the board will "
453 "not work without firmware loaded!\n");
454 return -1;
455 }
456
457 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
458 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
459 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
460 release_firmware(firmware);
461 return -1;
462 }
463
464 if (0 != memcmp(firmware->data, magic, 8)) {
465 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
466 release_firmware(firmware);
467 return -1;
468 }
469
470 /* transfer to the chip */
471 dprintk(1,"Loading firmware ...\n");
472 dataptr = (u32*)firmware->data;
473 for (i = 0; i < (firmware->size >> 2); i++) {
474 value = *dataptr;
475 checksum += ~value;
476 memory_write(dev->core, i, value);
477 dataptr++;
478 }
479
480 /* read back to verify with the checksum */
481 for (i--; i >= 0; i--) {
482 memory_read(dev->core, i, &value);
483 checksum -= ~value;
484 }
485 if (checksum) {
486 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
487 release_firmware(firmware);
488 return -1;
489 }
490 release_firmware(firmware);
491 dprintk(0, "Firmware upload successful.\n");
492
493 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
494 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
495 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
496 msleep(1);
497
498 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
499 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
500
501 if (retval < 0)
502 dprintk(0, "Error with register_write\n");
503 return 0;
504 }
505
506 /**
507 Settings used by the windows tv app for PVR2000:
508 =================================================================================================================
509 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
510 -----------------------------------------------------------------------------------------------------------------
511 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
515 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
516 =================================================================================================================
517 *DB: "DirectBurn"
518 */
519
blackbird_codec_settings(struct cx8802_dev * dev)520 static void blackbird_codec_settings(struct cx8802_dev *dev)
521 {
522 /* assign frame size */
523 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
524 dev->height, dev->width);
525
526 dev->params.width = dev->width;
527 dev->params.height = dev->height;
528 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
529
530 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
531 }
532
blackbird_initialize_codec(struct cx8802_dev * dev)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
blackbird_start_codec(struct file * file,void * priv)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 /* start capturing to the host interface */
622 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
623 BLACKBIRD_MPEG_CAPTURE,
624 BLACKBIRD_RAW_BITS_NONE
625 );
626
627 dev->mpeg_active = 1;
628 return 0;
629 }
630
blackbird_stop_codec(struct cx8802_dev * dev)631 static int blackbird_stop_codec(struct cx8802_dev *dev)
632 {
633 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
634 BLACKBIRD_END_NOW,
635 BLACKBIRD_MPEG_CAPTURE,
636 BLACKBIRD_RAW_BITS_NONE
637 );
638
639 dev->mpeg_active = 0;
640 return 0;
641 }
642
643 /* ------------------------------------------------------------------ */
644
bb_buf_setup(struct videobuf_queue * q,unsigned int * count,unsigned int * size)645 static int bb_buf_setup(struct videobuf_queue *q,
646 unsigned int *count, unsigned int *size)
647 {
648 struct cx8802_fh *fh = q->priv_data;
649
650 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
651 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
652
653 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
654 *count = fh->dev->ts_packet_count;
655 return 0;
656 }
657
658 static int
bb_buf_prepare(struct videobuf_queue * q,struct videobuf_buffer * vb,enum v4l2_field field)659 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
660 enum v4l2_field field)
661 {
662 struct cx8802_fh *fh = q->priv_data;
663 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
664 }
665
666 static void
bb_buf_queue(struct videobuf_queue * q,struct videobuf_buffer * vb)667 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
668 {
669 struct cx8802_fh *fh = q->priv_data;
670 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
671 }
672
673 static void
bb_buf_release(struct videobuf_queue * q,struct videobuf_buffer * vb)674 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
675 {
676 cx88_free_buffer(q, (struct cx88_buffer*)vb);
677 }
678
679 static struct videobuf_queue_ops blackbird_qops = {
680 .buf_setup = bb_buf_setup,
681 .buf_prepare = bb_buf_prepare,
682 .buf_queue = bb_buf_queue,
683 .buf_release = bb_buf_release,
684 };
685
686 /* ------------------------------------------------------------------ */
687
688 static const u32 *ctrl_classes[] = {
689 cx88_user_ctrls,
690 cx2341x_mpeg_ctrls,
691 NULL
692 };
693
blackbird_queryctrl(struct cx8802_dev * dev,struct v4l2_queryctrl * qctrl)694 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
695 {
696 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
697 if (qctrl->id == 0)
698 return -EINVAL;
699
700 /* Standard V4L2 controls */
701 if (cx8800_ctrl_query(dev->core, qctrl) == 0)
702 return 0;
703
704 /* MPEG V4L2 controls */
705 if (cx2341x_ctrl_query(&dev->params, qctrl))
706 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
707 return 0;
708 }
709
710 /* ------------------------------------------------------------------ */
711 /* IOCTL Handlers */
712
vidioc_querymenu(struct file * file,void * priv,struct v4l2_querymenu * qmenu)713 static int vidioc_querymenu (struct file *file, void *priv,
714 struct v4l2_querymenu *qmenu)
715 {
716 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
717 struct v4l2_queryctrl qctrl;
718
719 qctrl.id = qmenu->id;
720 blackbird_queryctrl(dev, &qctrl);
721 return v4l2_ctrl_query_menu(qmenu, &qctrl,
722 cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
723 }
724
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)725 static int vidioc_querycap (struct file *file, void *priv,
726 struct v4l2_capability *cap)
727 {
728 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
729 struct cx88_core *core = dev->core;
730
731 strcpy(cap->driver, "cx88_blackbird");
732 strlcpy(cap->card, core->board.name, sizeof(cap->card));
733 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
734 cap->capabilities =
735 V4L2_CAP_VIDEO_CAPTURE |
736 V4L2_CAP_READWRITE |
737 V4L2_CAP_STREAMING;
738 if (UNSET != core->board.tuner_type)
739 cap->capabilities |= V4L2_CAP_TUNER;
740 return 0;
741 }
742
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)743 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
744 struct v4l2_fmtdesc *f)
745 {
746 if (f->index != 0)
747 return -EINVAL;
748
749 strlcpy(f->description, "MPEG", sizeof(f->description));
750 f->pixelformat = V4L2_PIX_FMT_MPEG;
751 return 0;
752 }
753
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)754 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
755 struct v4l2_format *f)
756 {
757 struct cx8802_fh *fh = priv;
758 struct cx8802_dev *dev = fh->dev;
759
760 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
761 f->fmt.pix.bytesperline = 0;
762 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
763 f->fmt.pix.colorspace = 0;
764 f->fmt.pix.width = dev->width;
765 f->fmt.pix.height = dev->height;
766 f->fmt.pix.field = fh->mpegq.field;
767 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
768 dev->width, dev->height, fh->mpegq.field );
769 return 0;
770 }
771
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)772 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
773 struct v4l2_format *f)
774 {
775 struct cx8802_fh *fh = priv;
776 struct cx8802_dev *dev = fh->dev;
777
778 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
779 f->fmt.pix.bytesperline = 0;
780 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
781 f->fmt.pix.colorspace = 0;
782 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
783 dev->width, dev->height, fh->mpegq.field );
784 return 0;
785 }
786
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)787 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
788 struct v4l2_format *f)
789 {
790 struct cx8802_fh *fh = priv;
791 struct cx8802_dev *dev = fh->dev;
792 struct cx88_core *core = dev->core;
793
794 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
795 f->fmt.pix.bytesperline = 0;
796 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
797 f->fmt.pix.colorspace = 0;
798 dev->width = f->fmt.pix.width;
799 dev->height = f->fmt.pix.height;
800 fh->mpegq.field = f->fmt.pix.field;
801 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
802 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
803 f->fmt.pix.height, f->fmt.pix.width);
804 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
805 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
806 return 0;
807 }
808
vidioc_reqbufs(struct file * file,void * priv,struct v4l2_requestbuffers * p)809 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
810 {
811 struct cx8802_fh *fh = priv;
812 return (videobuf_reqbufs(&fh->mpegq, p));
813 }
814
vidioc_querybuf(struct file * file,void * priv,struct v4l2_buffer * p)815 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
816 {
817 struct cx8802_fh *fh = priv;
818 return (videobuf_querybuf(&fh->mpegq, p));
819 }
820
vidioc_qbuf(struct file * file,void * priv,struct v4l2_buffer * p)821 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
822 {
823 struct cx8802_fh *fh = priv;
824 return (videobuf_qbuf(&fh->mpegq, p));
825 }
826
vidioc_dqbuf(struct file * file,void * priv,struct v4l2_buffer * p)827 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
828 {
829 struct cx8802_fh *fh = priv;
830 return (videobuf_dqbuf(&fh->mpegq, p,
831 file->f_flags & O_NONBLOCK));
832 }
833
vidioc_streamon(struct file * file,void * priv,enum v4l2_buf_type i)834 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
835 {
836 struct cx8802_fh *fh = priv;
837 return videobuf_streamon(&fh->mpegq);
838 }
839
vidioc_streamoff(struct file * file,void * priv,enum v4l2_buf_type i)840 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
841 {
842 struct cx8802_fh *fh = priv;
843 return videobuf_streamoff(&fh->mpegq);
844 }
845
vidioc_g_ext_ctrls(struct file * file,void * priv,struct v4l2_ext_controls * f)846 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
847 struct v4l2_ext_controls *f)
848 {
849 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
850
851 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
852 return -EINVAL;
853 return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
854 }
855
vidioc_s_ext_ctrls(struct file * file,void * priv,struct v4l2_ext_controls * f)856 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
857 struct v4l2_ext_controls *f)
858 {
859 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
860 struct cx2341x_mpeg_params p;
861 int err;
862
863 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
864 return -EINVAL;
865
866 if (dev->mpeg_active)
867 blackbird_stop_codec(dev);
868
869 p = dev->params;
870 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
871 if (!err) {
872 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
873 dev->params = p;
874 }
875 return err;
876 }
877
vidioc_try_ext_ctrls(struct file * file,void * priv,struct v4l2_ext_controls * f)878 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
879 struct v4l2_ext_controls *f)
880 {
881 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
882 struct cx2341x_mpeg_params p;
883 int err;
884
885 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
886 return -EINVAL;
887 p = dev->params;
888 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
889
890 return err;
891 }
892
vidioc_s_frequency(struct file * file,void * priv,struct v4l2_frequency * f)893 static int vidioc_s_frequency (struct file *file, void *priv,
894 struct v4l2_frequency *f)
895 {
896 struct cx8802_fh *fh = priv;
897 struct cx8802_dev *dev = fh->dev;
898 struct cx88_core *core = dev->core;
899
900 if (dev->mpeg_active)
901 blackbird_stop_codec(dev);
902
903 cx88_set_freq (core,f);
904 blackbird_initialize_codec(dev);
905 cx88_set_scale(dev->core, dev->width, dev->height,
906 fh->mpegq.field);
907 return 0;
908 }
909
vidioc_log_status(struct file * file,void * priv)910 static int vidioc_log_status (struct file *file, void *priv)
911 {
912 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
913 struct cx88_core *core = dev->core;
914 char name[32 + 2];
915
916 snprintf(name, sizeof(name), "%s/2", core->name);
917 printk("%s/2: ============ START LOG STATUS ============\n",
918 core->name);
919 call_all(core, core, log_status);
920 cx2341x_log_status(&dev->params, name);
921 printk("%s/2: ============= END LOG STATUS =============\n",
922 core->name);
923 return 0;
924 }
925
vidioc_queryctrl(struct file * file,void * priv,struct v4l2_queryctrl * qctrl)926 static int vidioc_queryctrl (struct file *file, void *priv,
927 struct v4l2_queryctrl *qctrl)
928 {
929 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
930
931 if (blackbird_queryctrl(dev, qctrl) == 0)
932 return 0;
933
934 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
935 if (unlikely(qctrl->id == 0))
936 return -EINVAL;
937 return cx8800_ctrl_query(dev->core, qctrl);
938 }
939
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)940 static int vidioc_enum_input (struct file *file, void *priv,
941 struct v4l2_input *i)
942 {
943 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
944 return cx88_enum_input (core,i);
945 }
946
vidioc_g_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)947 static int vidioc_g_ctrl (struct file *file, void *priv,
948 struct v4l2_control *ctl)
949 {
950 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
951 return
952 cx88_get_control(core,ctl);
953 }
954
vidioc_s_ctrl(struct file * file,void * priv,struct v4l2_control * ctl)955 static int vidioc_s_ctrl (struct file *file, void *priv,
956 struct v4l2_control *ctl)
957 {
958 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
959 return
960 cx88_set_control(core,ctl);
961 }
962
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)963 static int vidioc_g_frequency (struct file *file, void *priv,
964 struct v4l2_frequency *f)
965 {
966 struct cx8802_fh *fh = priv;
967 struct cx88_core *core = fh->dev->core;
968
969 if (unlikely(UNSET == core->board.tuner_type))
970 return -EINVAL;
971
972 f->type = V4L2_TUNER_ANALOG_TV;
973 f->frequency = core->freq;
974 call_all(core, tuner, g_frequency, f);
975
976 return 0;
977 }
978
vidioc_g_input(struct file * file,void * priv,unsigned int * i)979 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
980 {
981 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
982
983 *i = core->input;
984 return 0;
985 }
986
vidioc_s_input(struct file * file,void * priv,unsigned int i)987 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
988 {
989 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
990
991 if (i >= 4)
992 return -EINVAL;
993
994 mutex_lock(&core->lock);
995 cx88_newstation(core);
996 cx88_video_mux(core,i);
997 mutex_unlock(&core->lock);
998 return 0;
999 }
1000
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1001 static int vidioc_g_tuner (struct file *file, void *priv,
1002 struct v4l2_tuner *t)
1003 {
1004 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1005 u32 reg;
1006
1007 if (unlikely(UNSET == core->board.tuner_type))
1008 return -EINVAL;
1009 if (0 != t->index)
1010 return -EINVAL;
1011
1012 strcpy(t->name, "Television");
1013 t->type = V4L2_TUNER_ANALOG_TV;
1014 t->capability = V4L2_TUNER_CAP_NORM;
1015 t->rangehigh = 0xffffffffUL;
1016
1017 cx88_get_stereo(core ,t);
1018 reg = cx_read(MO_DEVICE_STATUS);
1019 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1020 return 0;
1021 }
1022
vidioc_s_tuner(struct file * file,void * priv,struct v4l2_tuner * t)1023 static int vidioc_s_tuner (struct file *file, void *priv,
1024 struct v4l2_tuner *t)
1025 {
1026 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1027
1028 if (UNSET == core->board.tuner_type)
1029 return -EINVAL;
1030 if (0 != t->index)
1031 return -EINVAL;
1032
1033 cx88_set_stereo(core, t->audmode, 1);
1034 return 0;
1035 }
1036
vidioc_s_std(struct file * file,void * priv,v4l2_std_id * id)1037 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1038 {
1039 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1040
1041 mutex_lock(&core->lock);
1042 cx88_set_tvnorm(core,*id);
1043 mutex_unlock(&core->lock);
1044 return 0;
1045 }
1046
1047 /* FIXME: cx88_ioctl_hook not implemented */
1048
mpeg_open(struct file * file)1049 static int mpeg_open(struct file *file)
1050 {
1051 struct video_device *vdev = video_devdata(file);
1052 struct cx8802_dev *dev = video_drvdata(file);
1053 struct cx8802_fh *fh;
1054 struct cx8802_driver *drv = NULL;
1055 int err;
1056
1057 dprintk( 1, "%s\n", __func__);
1058
1059 mutex_lock(&dev->core->lock);
1060
1061 /* Make sure we can acquire the hardware */
1062 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1063 if (!drv) {
1064 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
1065 mutex_unlock(&dev->core->lock);
1066 return -ENODEV;
1067 }
1068
1069 err = drv->request_acquire(drv);
1070 if (err != 0) {
1071 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1072 mutex_unlock(&dev->core->lock);
1073 return err;
1074 }
1075
1076 if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
1077 drv->request_release(drv);
1078 mutex_unlock(&dev->core->lock);
1079 return -EINVAL;
1080 }
1081 dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
1082
1083 /* allocate + initialize per filehandle data */
1084 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1085 if (NULL == fh) {
1086 drv->request_release(drv);
1087 mutex_unlock(&dev->core->lock);
1088 return -ENOMEM;
1089 }
1090 file->private_data = fh;
1091 fh->dev = dev;
1092
1093 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1094 &dev->pci->dev, &dev->slock,
1095 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1096 V4L2_FIELD_INTERLACED,
1097 sizeof(struct cx88_buffer),
1098 fh, NULL);
1099
1100 /* FIXME: locking against other video device */
1101 cx88_set_scale(dev->core, dev->width, dev->height,
1102 fh->mpegq.field);
1103
1104 dev->core->mpeg_users++;
1105 mutex_unlock(&dev->core->lock);
1106 return 0;
1107 }
1108
mpeg_release(struct file * file)1109 static int mpeg_release(struct file *file)
1110 {
1111 struct cx8802_fh *fh = file->private_data;
1112 struct cx8802_dev *dev = fh->dev;
1113 struct cx8802_driver *drv = NULL;
1114
1115 mutex_lock(&dev->core->lock);
1116
1117 if (dev->mpeg_active && dev->core->mpeg_users == 1)
1118 blackbird_stop_codec(dev);
1119
1120 cx8802_cancel_buffers(fh->dev);
1121 /* stop mpeg capture */
1122 videobuf_stop(&fh->mpegq);
1123
1124 videobuf_mmap_free(&fh->mpegq);
1125
1126 file->private_data = NULL;
1127 kfree(fh);
1128
1129 /* Make sure we release the hardware */
1130 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1131 WARN_ON(!drv);
1132 if (drv)
1133 drv->request_release(drv);
1134
1135 dev->core->mpeg_users--;
1136
1137 mutex_unlock(&dev->core->lock);
1138
1139 return 0;
1140 }
1141
1142 static ssize_t
mpeg_read(struct file * file,char __user * data,size_t count,loff_t * ppos)1143 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1144 {
1145 struct cx8802_fh *fh = file->private_data;
1146 struct cx8802_dev *dev = fh->dev;
1147
1148 if (!dev->mpeg_active)
1149 blackbird_start_codec(file, fh);
1150
1151 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1152 file->f_flags & O_NONBLOCK);
1153 }
1154
1155 static unsigned int
mpeg_poll(struct file * file,struct poll_table_struct * wait)1156 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1157 {
1158 struct cx8802_fh *fh = file->private_data;
1159 struct cx8802_dev *dev = fh->dev;
1160
1161 if (!dev->mpeg_active)
1162 blackbird_start_codec(file, fh);
1163
1164 return videobuf_poll_stream(file, &fh->mpegq, wait);
1165 }
1166
1167 static int
mpeg_mmap(struct file * file,struct vm_area_struct * vma)1168 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1169 {
1170 struct cx8802_fh *fh = file->private_data;
1171
1172 return videobuf_mmap_mapper(&fh->mpegq, vma);
1173 }
1174
1175 static const struct v4l2_file_operations mpeg_fops =
1176 {
1177 .owner = THIS_MODULE,
1178 .open = mpeg_open,
1179 .release = mpeg_release,
1180 .read = mpeg_read,
1181 .poll = mpeg_poll,
1182 .mmap = mpeg_mmap,
1183 .ioctl = video_ioctl2,
1184 };
1185
1186 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1187 .vidioc_querymenu = vidioc_querymenu,
1188 .vidioc_querycap = vidioc_querycap,
1189 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1190 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1191 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1192 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1193 .vidioc_reqbufs = vidioc_reqbufs,
1194 .vidioc_querybuf = vidioc_querybuf,
1195 .vidioc_qbuf = vidioc_qbuf,
1196 .vidioc_dqbuf = vidioc_dqbuf,
1197 .vidioc_streamon = vidioc_streamon,
1198 .vidioc_streamoff = vidioc_streamoff,
1199 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1200 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1201 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1202 .vidioc_s_frequency = vidioc_s_frequency,
1203 .vidioc_log_status = vidioc_log_status,
1204 .vidioc_queryctrl = vidioc_queryctrl,
1205 .vidioc_enum_input = vidioc_enum_input,
1206 .vidioc_g_ctrl = vidioc_g_ctrl,
1207 .vidioc_s_ctrl = vidioc_s_ctrl,
1208 .vidioc_g_frequency = vidioc_g_frequency,
1209 .vidioc_g_input = vidioc_g_input,
1210 .vidioc_s_input = vidioc_s_input,
1211 .vidioc_g_tuner = vidioc_g_tuner,
1212 .vidioc_s_tuner = vidioc_s_tuner,
1213 .vidioc_s_std = vidioc_s_std,
1214 };
1215
1216 static struct video_device cx8802_mpeg_template = {
1217 .name = "cx8802",
1218 .fops = &mpeg_fops,
1219 .ioctl_ops = &mpeg_ioctl_ops,
1220 .tvnorms = CX88_NORMS,
1221 .current_norm = V4L2_STD_NTSC_M,
1222 };
1223
1224 /* ------------------------------------------------------------------ */
1225
1226 /* The CX8802 MPEG API will call this when we can use the hardware */
cx8802_blackbird_advise_acquire(struct cx8802_driver * drv)1227 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1228 {
1229 struct cx88_core *core = drv->core;
1230 int err = 0;
1231
1232 switch (core->boardnr) {
1233 case CX88_BOARD_HAUPPAUGE_HVR1300:
1234 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1235 * We left the hardware on power up with the cx22702 active.
1236 * We're being given access to re-arrange the GPIOs.
1237 * Take the bus off the cx22702 and put the cx23416 on it.
1238 */
1239 /* Toggle reset on cx22702 leaving i2c active */
1240 cx_set(MO_GP0_IO, 0x00000080);
1241 udelay(1000);
1242 cx_clear(MO_GP0_IO, 0x00000080);
1243 udelay(50);
1244 cx_set(MO_GP0_IO, 0x00000080);
1245 udelay(1000);
1246 /* tri-state the cx22702 pins */
1247 cx_set(MO_GP0_IO, 0x00000004);
1248 udelay(1000);
1249 break;
1250 default:
1251 err = -ENODEV;
1252 }
1253 return err;
1254 }
1255
1256 /* The CX8802 MPEG API will call this when we need to release the hardware */
cx8802_blackbird_advise_release(struct cx8802_driver * drv)1257 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1258 {
1259 struct cx88_core *core = drv->core;
1260 int err = 0;
1261
1262 switch (core->boardnr) {
1263 case CX88_BOARD_HAUPPAUGE_HVR1300:
1264 /* Exit leaving the cx23416 on the bus */
1265 break;
1266 default:
1267 err = -ENODEV;
1268 }
1269 return err;
1270 }
1271
blackbird_unregister_video(struct cx8802_dev * dev)1272 static void blackbird_unregister_video(struct cx8802_dev *dev)
1273 {
1274 if (dev->mpeg_dev) {
1275 if (video_is_registered(dev->mpeg_dev))
1276 video_unregister_device(dev->mpeg_dev);
1277 else
1278 video_device_release(dev->mpeg_dev);
1279 dev->mpeg_dev = NULL;
1280 }
1281 }
1282
blackbird_register_video(struct cx8802_dev * dev)1283 static int blackbird_register_video(struct cx8802_dev *dev)
1284 {
1285 int err;
1286
1287 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1288 &cx8802_mpeg_template,"mpeg");
1289 video_set_drvdata(dev->mpeg_dev, dev);
1290 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1291 if (err < 0) {
1292 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1293 dev->core->name);
1294 return err;
1295 }
1296 printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1297 dev->core->name, video_device_node_name(dev->mpeg_dev));
1298 return 0;
1299 }
1300
1301 /* ----------------------------------------------------------- */
1302
cx8802_blackbird_probe(struct cx8802_driver * drv)1303 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1304 {
1305 struct cx88_core *core = drv->core;
1306 struct cx8802_dev *dev = core->dvbdev;
1307 int err;
1308
1309 dprintk( 1, "%s\n", __func__);
1310 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1311 core->boardnr,
1312 core->name,
1313 core->pci_bus,
1314 core->pci_slot);
1315
1316 err = -ENODEV;
1317 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1318 goto fail_core;
1319
1320 dev->width = 720;
1321 dev->height = 576;
1322 cx2341x_fill_defaults(&dev->params);
1323 dev->params.port = CX2341X_PORT_STREAMING;
1324
1325 cx8802_mpeg_template.current_norm = core->tvnorm;
1326
1327 if (core->tvnorm & V4L2_STD_525_60) {
1328 dev->height = 480;
1329 } else {
1330 dev->height = 576;
1331 }
1332
1333 /* blackbird stuff */
1334 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1335 core->name);
1336 host_setup(dev->core);
1337
1338 blackbird_initialize_codec(dev);
1339 blackbird_register_video(dev);
1340
1341 /* initial device configuration: needed ? */
1342 // init_controls(core);
1343 cx88_set_tvnorm(core,core->tvnorm);
1344 cx88_video_mux(core,0);
1345
1346 return 0;
1347
1348 fail_core:
1349 return err;
1350 }
1351
cx8802_blackbird_remove(struct cx8802_driver * drv)1352 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1353 {
1354 /* blackbird */
1355 blackbird_unregister_video(drv->core->dvbdev);
1356
1357 return 0;
1358 }
1359
1360 static struct cx8802_driver cx8802_blackbird_driver = {
1361 .type_id = CX88_MPEG_BLACKBIRD,
1362 .hw_access = CX8802_DRVCTL_SHARED,
1363 .probe = cx8802_blackbird_probe,
1364 .remove = cx8802_blackbird_remove,
1365 .advise_acquire = cx8802_blackbird_advise_acquire,
1366 .advise_release = cx8802_blackbird_advise_release,
1367 };
1368
blackbird_init(void)1369 static int __init blackbird_init(void)
1370 {
1371 printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1372 CX88_VERSION);
1373 return cx8802_register_driver(&cx8802_blackbird_driver);
1374 }
1375
blackbird_fini(void)1376 static void __exit blackbird_fini(void)
1377 {
1378 cx8802_unregister_driver(&cx8802_blackbird_driver);
1379 }
1380
1381 module_init(blackbird_init);
1382 module_exit(blackbird_fini);
1383
1384 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1385 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1386