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Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / drivers / media / video / cx88 / cx88-blackbird.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 2 *
3 * Support for a cx23416 mpeg encoder via cx2388x host port.
4 * "blackbird" reference design.
5 *
f8de18d4 6 * (c) 2004 Jelle Foks <jelle@foks.us>
1da177e4
LT		 7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8 *
b3c4ee70
MCC		 9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - video_ioctl2 conversion
11 *
631dd1a8 12 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
1da177e4
LT		 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>
1da177e4 30#include <linux/init.h>
5a0e3ad6 31#include <linux/slab.h>
1da177e4
LT		 32#include <linux/fs.h>
33#include <linux/delay.h>
34#include <linux/device.h>
35#include <linux/firmware.h>
855dbada 36#include <media/v4l2-common.h>
35ea11ff 37#include <media/v4l2-ioctl.h>
855dbada 38#include <media/cx2341x.h>
1da177e4
LT		 39
40#include "cx88.h"
41
42MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
f8de18d4 43MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
1da177e4 44MODULE_LICENSE("GPL");
1990d50b 45MODULE_VERSION(CX88_VERSION);
1da177e4 46
31629424 47static unsigned int mpegbufs = 32;
1da177e4
LT		 48module_param(mpegbufs,int,0644);
49MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
50
ff699e6b 51static unsigned int debug;
1da177e4
LT		 52module_param(debug,int,0644);
53MODULE_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
1da177e4
LT		 58
59/* ------------------------------------------------------------------ */
60
25472237 61#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
1da177e4
LT		 62
63/* defines below are from ivtv-driver.h */
64
65#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
66
b45009b0 67/* Firmware API commands */
b45009b0
MCC		 68#define IVTV_API_STD_TIMEOUT 500
69
b45009b0
MCC		 70enum blackbird_capture_type {
71 BLACKBIRD_MPEG_CAPTURE,
72 BLACKBIRD_RAW_CAPTURE,
73 BLACKBIRD_RAW_PASSTHRU_CAPTURE
74};
75enum 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};
b45009b0
MCC		 83enum 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};
b45009b0
MCC		 87enum blackbird_framerate {
88 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
89 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
90};
b45009b0
MCC		 91enum blackbird_stream_port {
92 BLACKBIRD_OUTPUT_PORT_MEMORY,
93 BLACKBIRD_OUTPUT_PORT_STREAMING,
94 BLACKBIRD_OUTPUT_PORT_SERIAL
95};
b45009b0
MCC		 96enum blackbird_data_xfer_status {
97 BLACKBIRD_MORE_BUFFERS_FOLLOW,
98 BLACKBIRD_LAST_BUFFER,
99};
b45009b0
MCC		 100enum 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};
b45009b0
MCC		 106enum blackbird_vbi_mode_bits {
107 BLACKBIRD_VBI_BITS_SLICED,
108 BLACKBIRD_VBI_BITS_RAW,
109};
110enum 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};
b45009b0
MCC		 117enum blackbird_dma_unit {
118 BLACKBIRD_DMA_BYTES,
119 BLACKBIRD_DMA_FRAMES,
120};
b45009b0
MCC		 121enum 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};
b45009b0
MCC		 126enum blackbird_pause {
127 BLACKBIRD_PAUSE_ENCODING,
128 BLACKBIRD_RESUME_ENCODING,
129};
b45009b0
MCC		 130enum blackbird_copyright {
131 BLACKBIRD_COPYRIGHT_OFF,
132 BLACKBIRD_COPYRIGHT_ON,
133};
b45009b0
MCC		 134enum blackbird_notification_type {
135 BLACKBIRD_NOTIFICATION_REFRESH,
136};
137enum blackbird_notification_status {
138 BLACKBIRD_NOTIFICATION_OFF,
139 BLACKBIRD_NOTIFICATION_ON,
140};
141enum blackbird_notification_mailbox {
142 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
143};
b45009b0
MCC		 144enum blackbird_field1_lines {
145 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
146 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
147 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
148};
149enum blackbird_field2_lines {
150 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
151 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
152 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
153};
b45009b0
MCC		 154enum blackbird_custom_data_type {
155 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
156 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
157};
b45009b0
MCC		 158enum blackbird_mute {
159 BLACKBIRD_UNMUTE,
160 BLACKBIRD_MUTE,
161};
162enum 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};
167enum 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};
1da177e4
LT		 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
183static 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
217static 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
233static 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
249static int memory_read(struct cx88_core *core, u32 address, u32 *value)
250{
4ac97914 251 int retval;
1da177e4
LT		 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
275static 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
291static 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
ea48c13a 313static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
1da177e4 314{
f022156b 315 struct cx8802_dev *dev = priv;
1da177e4
LT		 316 unsigned long timeout;
317 u32 value, flag, retval;
318 int i;
1da177e4 319
32d83efc 320 dprintk(1,"%s: 0x%X\n", __func__, command);
1da177e4
LT		 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 */
f022156b
HV		 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]);
1da177e4 345 }
f022156b 346 for (; i < CX2341X_MBOX_MAX_DATA; i++)
1da177e4
LT		 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 */
f022156b
HV		 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]);
1da177e4 369 }
1da177e4
LT		 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}
f022156b 378/* ------------------------------------------------------------------ */
1da177e4 379
f022156b
HV		 380/* We don't need to call the API often, so using just one mailbox will probably suffice */
381static 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}
1da177e4
LT		 401
402static 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
e0099e9e 409 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
1da177e4
LT		 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
424static 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);
4ac97914
MCC		 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);
1da177e4 439 msleep(1);
4ac97914 440 retval |= register_write(dev->core, IVTV_REG_APU, 0);
1da177e4
LT		 441
442 if (retval < 0)
443 dprintk(0, "Error with register_write\n");
444
48c35756 445 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
1da177e4 446 &dev->pci->dev);
674434c6
MCC		 447
448
1da177e4
LT		 449 if (retval != 0) {
450 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
48c35756 451 CX2341X_FIRM_ENC_FILENAME);
1da177e4
LT		 452 dprintk(0, "Please fix your hotplug setup, the board will "
453 "not work without firmware loaded!\n");
454 return -1;
455 }
456
25472237
HV		 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);
73ca66b9 460 release_firmware(firmware);
1da177e4
LT		 461 return -1;
462 }
463
464 if (0 != memcmp(firmware->data, magic, 8)) {
465 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
73ca66b9 466 release_firmware(firmware);
1da177e4
LT		 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++) {
6ba4c432 474 value = le32_to_cpu(*dataptr);
1da177e4
LT		 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");
73ca66b9 487 release_firmware(firmware);
1da177e4
LT		 488 return -1;
489 }
490 release_firmware(firmware);
491 dprintk(0, "Firmware upload successful.\n");
492
4ac97914
MCC		 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);
1da177e4
LT		 496 msleep(1);
497
498 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
4ac97914 499 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
1da177e4
LT		 500
501 if (retval < 0)
502 dprintk(0, "Error with register_write\n");
503 return 0;
504}
505
b45009b0
MCC		 506/**
507 Settings used by the windows tv app for PVR2000:
508=================================================================================================================
509Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
510-----------------------------------------------------------------------------------------------------------------
511MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
515DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
516=================================================================================================================
517*DB: "DirectBurn"
518*/
31629424 519
f022156b
HV		 520static 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;
ed10b06d 528 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
f022156b
HV		 529
530 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
531}
532
1da177e4
LT		 533static 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");
855dbada 540 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4 541 if (retval < 0) {
f9e54e0c
JF		 542
543 dev->mpeg_active = 0;
544
1da177e4
LT		 545 /* ping was not successful, reset and upload firmware */
546 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
1da177e4 547 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
1da177e4
LT		 548 retval = blackbird_load_firmware(dev);
549 if (retval < 0)
550 return retval;
551
50fa46b2
RK		 552 retval = blackbird_find_mailbox(dev);
553 if (retval < 0)
1da177e4
LT		 554 return -1;
555
50fa46b2
RK		 556 dev->mailbox = retval;
557
855dbada 558 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4
LT		 559 if (retval < 0) {
560 dprintk(0, "ERROR: Firmware ping failed!\n");
561 return -1;
562 }
563
855dbada 564 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
1da177e4
LT		 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 }
1da177e4
LT		 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
1da177e4 577 blackbird_codec_settings(dev);
1da177e4 578
855dbada 579 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
b45009b0 580 BLACKBIRD_FIELD1_SAA7115,
8a17ef97 581 BLACKBIRD_FIELD2_SAA7115
b45009b0
MCC		 582 );
583
855dbada 584 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
b45009b0
MCC		 585 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
586 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
1da177e4 587
f9e54e0c
JF		 588 return 0;
589}
590
591static 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
d8f69971 602 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
f9e54e0c
JF		 603 reg = cx_read(AUD_STATUS);
604
d8f69971
MCC		 605 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
606 if ((reg & 0x0F) != lastval) {
f9e54e0c
JF		 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));
1da177e4 615
d8f69971 616 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
f9e54e0c
JF		 617
618 /* initialize the video input */
619 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
620
e52e98a7 621 /* start capturing to the host interface */
855dbada 622 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
b45009b0
MCC		 623 BLACKBIRD_MPEG_CAPTURE,
624 BLACKBIRD_RAW_BITS_NONE
e52e98a7 625 );
1da177e4 626
f9e54e0c
JF		 627 dev->mpeg_active = 1;
628 return 0;
629}
630
631static int blackbird_stop_codec(struct cx8802_dev *dev)
632{
f9e54e0c
JF		 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 );
f9e54e0c
JF		 638
639 dev->mpeg_active = 0;
1da177e4
LT		 640 return 0;
641}
642
643/* ------------------------------------------------------------------ */
644
645static 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
e52e98a7 650 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
31629424 651 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
1da177e4
LT		 652
653 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
31629424 654 *count = fh->dev->ts_packet_count;
1da177e4
LT		 655 return 0;
656}
657
658static int
659bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
660 enum v4l2_field field)
661{
662 struct cx8802_fh *fh = q->priv_data;
c7b0ac05 663 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
1da177e4
LT		 664}
665
666static void
667bb_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
673static void
674bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
675{
c7b0ac05 676 cx88_free_buffer(q, (struct cx88_buffer*)vb);
1da177e4
LT		 677}
678
679static 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
38a2713a
MK		 688static const u32 *ctrl_classes[] = {
689 cx88_user_ctrls,
690 cx2341x_mpeg_ctrls,
691 NULL
692};
693
694static 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 */
6d04203c 701 if (cx8800_ctrl_query(dev->core, qctrl) == 0)
38a2713a
MK		 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
b3c4ee70
MCC		 710/* ------------------------------------------------------------------ */
711/* IOCTL Handlers */
712
713static int vidioc_querymenu (struct file *file, void *priv,
714 struct v4l2_querymenu *qmenu)
38a2713a 715{
b3c4ee70 716 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
38a2713a
MK		 717 struct v4l2_queryctrl qctrl;
718
719 qctrl.id = qmenu->id;
720 blackbird_queryctrl(dev, &qctrl);
e0e31cdb
HV		 721 return v4l2_ctrl_query_menu(qmenu, &qctrl,
722 cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
38a2713a
MK		 723}
724
b3c4ee70
MCC		 725static int vidioc_querycap (struct file *file, void *priv,
726 struct v4l2_capability *cap)
1da177e4 727{
b3c4ee70 728 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
e52e98a7 729 struct cx88_core *core = dev->core;
1da177e4 730
b3c4ee70 731 strcpy(cap->driver, "cx88_blackbird");
6a59d64c 732 strlcpy(cap->card, core->board.name, sizeof(cap->card));
b3c4ee70 733 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
b3c4ee70
MCC		 734 cap->capabilities =
735 V4L2_CAP_VIDEO_CAPTURE |
736 V4L2_CAP_READWRITE |
737 V4L2_CAP_STREAMING;
6a59d64c 738 if (UNSET != core->board.tuner_type)
b3c4ee70
MCC		 739 cap->capabilities |= V4L2_CAP_TUNER;
740 return 0;
741}
742
78b526a4 743static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 744 struct v4l2_fmtdesc *f)
745{
746 if (f->index != 0)
747 return -EINVAL;
1da177e4 748
b3c4ee70 749 strlcpy(f->description, "MPEG", sizeof(f->description));
b3c4ee70
MCC		 750 f->pixelformat = V4L2_PIX_FMT_MPEG;
751 return 0;
752}
1da177e4 753
78b526a4 754static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 755 struct v4l2_format *f)
756{
757 struct cx8802_fh *fh = priv;
758 struct cx8802_dev *dev = fh->dev;
759
b3c4ee70
MCC		 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}
e52e98a7 771
78b526a4 772static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 773 struct v4l2_format *f)
774{
775 struct cx8802_fh *fh = priv;
776 struct cx8802_dev *dev = fh->dev;
777
b3c4ee70
MCC		 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}
e52e98a7 786
78b526a4 787static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 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;
e52e98a7 793
b3c4ee70
MCC		 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}
1da177e4 808
b3c4ee70
MCC		 809static 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}
1da177e4 814
b3c4ee70
MCC		 815static 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}
1da177e4 820
b3c4ee70
MCC		 821static 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}
1da177e4 826
b3c4ee70
MCC		 827static 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}
1da177e4 833
b3c4ee70
MCC		 834static 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}
1da177e4 839
b3c4ee70
MCC		 840static 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}
1da177e4 845
b3c4ee70
MCC		 846static 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;
1571720c 850
b3c4ee70
MCC		 851 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
852 return -EINVAL;
01f1e44f 853 return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
b3c4ee70 854}
2544bf2d 855
b3c4ee70
MCC		 856static 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;
2544bf2d 862
b3c4ee70
MCC		 863 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
864 return -EINVAL;
f9e54e0c
JF		 865
866 if (dev->mpeg_active)
867 blackbird_stop_codec(dev);
868
b3c4ee70 869 p = dev->params;
01f1e44f 870 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
b3c4ee70
MCC		 871 if (!err) {
872 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
873 dev->params = p;
99eb44fe 874 }
b3c4ee70
MCC		 875 return err;
876}
38a2713a 877
b3c4ee70
MCC		 878static 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;
1571720c 884
b3c4ee70
MCC		 885 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
886 return -EINVAL;
887 p = dev->params;
01f1e44f 888 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1571720c 889
b3c4ee70
MCC		 890 return err;
891}
31629424 892
b3c4ee70
MCC		 893static 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;
23154f2f 899
f9e54e0c
JF		 900 if (dev->mpeg_active)
901 blackbird_stop_codec(dev);
902
b3c4ee70
MCC		 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}
23154f2f 909
b3c4ee70
MCC		 910static 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);
b8341e1d 919 call_all(core, core, log_status);
b3c4ee70
MCC		 920 cx2341x_log_status(&dev->params, name);
921 printk("%s/2: ============= END LOG STATUS =============\n",
922 core->name);
923 return 0;
924}
23154f2f 925
b3c4ee70
MCC		 926static int vidioc_queryctrl (struct file *file, void *priv,
927 struct v4l2_queryctrl *qctrl)
928{
929 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
23154f2f 930
b3c4ee70
MCC		 931 if (blackbird_queryctrl(dev, qctrl) == 0)
932 return 0;
23154f2f 933
b3c4ee70
MCC		 934 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
935 if (unlikely(qctrl->id == 0))
936 return -EINVAL;
6d04203c 937 return cx8800_ctrl_query(dev->core, qctrl);
b3c4ee70 938}
23154f2f 939
b3c4ee70
MCC		 940static 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}
ed10b06d 946
b3c4ee70
MCC		 947static 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}
ed10b06d 954
b3c4ee70
MCC		 955static 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}
ed10b06d 962
b3c4ee70
MCC		 963static 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;
ed10b06d 968
6a59d64c 969 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 970 return -EINVAL;
ed10b06d 971
b3c4ee70
MCC		 972 f->type = V4L2_TUNER_ANALOG_TV;
973 f->frequency = core->freq;
b8341e1d 974 call_all(core, tuner, g_frequency, f);
ed10b06d 975
b3c4ee70
MCC		 976 return 0;
977}
ed10b06d 978
b3c4ee70
MCC		 979static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
980{
981 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
23154f2f 982
b3c4ee70
MCC		 983 *i = core->input;
984 return 0;
985}
ed10b06d 986
b3c4ee70
MCC		 987static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
988{
989 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
ed10b06d 990
b3c4ee70
MCC		 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);
ed10b06d
MCC		 998 return 0;
999}
1000
b3c4ee70
MCC		 1001static 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
6a59d64c 1007 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 1008 return -EINVAL;
f057131f
JF		 1009 if (0 != t->index)
1010 return -EINVAL;
b3c4ee70
MCC		 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}
6c5be74c 1022
b3c4ee70
MCC		 1023static int vidioc_s_tuner (struct file *file, void *priv,
1024 struct v4l2_tuner *t)
e52e98a7 1025{
b3c4ee70
MCC		 1026 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1027
6a59d64c 1028 if (UNSET == core->board.tuner_type)
b3c4ee70
MCC		 1029 return -EINVAL;
1030 if (0 != t->index)
1031 return -EINVAL;
1032
1033 cx88_set_stereo(core, t->audmode, 1);
1034 return 0;
e52e98a7
MCC		 1035}
1036
b3c4ee70 1037static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1da177e4 1038{
b3c4ee70
MCC		 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;
1da177e4
LT		 1045}
1046
b3c4ee70
MCC		 1047/* FIXME: cx88_ioctl_hook not implemented */
1048
bec43661 1049static int mpeg_open(struct file *file)
1da177e4 1050{
50462eb0 1051 struct video_device *vdev = video_devdata(file);
63b0d5ad 1052 struct cx8802_dev *dev = video_drvdata(file);
1da177e4 1053 struct cx8802_fh *fh;
6c5be74c
ST		 1054 struct cx8802_driver *drv = NULL;
1055 int err;
1da177e4 1056
32d83efc 1057 dprintk( 1, "%s\n", __func__);
6c5be74c 1058
da497e30 1059 mutex_lock(&dev->core->lock);
1da177e4 1060
6c5be74c
ST		 1061 /* Make sure we can acquire the hardware */
1062 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
579b2b45
JN		 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;
6c5be74c
ST		 1074 }
1075
f4bd4be8 1076 if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
579b2b45 1077 drv->request_release(drv);
da497e30 1078 mutex_unlock(&dev->core->lock);
1da177e4 1079 return -EINVAL;
6c5be74c 1080 }
50462eb0 1081 dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
1da177e4
LT		 1082
1083 /* allocate + initialize per filehandle data */
7408187d 1084 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
6c5be74c 1085 if (NULL == fh) {
579b2b45 1086 drv->request_release(drv);
da497e30 1087 mutex_unlock(&dev->core->lock);
1da177e4 1088 return -ENOMEM;
6c5be74c 1089 }
1da177e4
LT		 1090 file->private_data = fh;
1091 fh->dev = dev;
1092
0705135e
GL		 1093 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1094 &dev->pci->dev, &dev->slock,
1da177e4 1095 V4L2_BUF_TYPE_VIDEO_CAPTURE,
31629424 1096 V4L2_FIELD_INTERLACED,
1da177e4 1097 sizeof(struct cx88_buffer),
08bff03e 1098 fh, NULL);
31629424
CC		 1099
1100 /* FIXME: locking against other video device */
1101 cx88_set_scale(dev->core, dev->width, dev->height,
1102 fh->mpegq.field);
1103
f4bd4be8 1104 dev->core->mpeg_users++;
da497e30 1105 mutex_unlock(&dev->core->lock);
1da177e4
LT		 1106 return 0;
1107}
1108
bec43661 1109static int mpeg_release(struct file *file)
1da177e4
LT		 1110{
1111 struct cx8802_fh *fh = file->private_data;
f9e54e0c 1112 struct cx8802_dev *dev = fh->dev;
6c5be74c 1113 struct cx8802_driver *drv = NULL;
1da177e4 1114
f4bd4be8
JN		 1115 mutex_lock(&dev->core->lock);
1116
1117 if (dev->mpeg_active && dev->core->mpeg_users == 1)
f9e54e0c 1118 blackbird_stop_codec(dev);
1da177e4 1119
0b5f56d6 1120 cx8802_cancel_buffers(fh->dev);
1da177e4 1121 /* stop mpeg capture */
053fcb60 1122 videobuf_stop(&fh->mpegq);
1da177e4
LT		 1123
1124 videobuf_mmap_free(&fh->mpegq);
da497e30 1125
1da177e4
LT		 1126 file->private_data = NULL;
1127 kfree(fh);
6c5be74c
ST		 1128
1129 /* Make sure we release the hardware */
6c5be74c 1130 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
579b2b45 1131 WARN_ON(!drv);
6c5be74c
ST		 1132 if (drv)
1133 drv->request_release(drv);
1134
f4bd4be8 1135 dev->core->mpeg_users--;
9c8e0a26 1136
1fe70e96
JN		 1137 mutex_unlock(&dev->core->lock);
1138
1da177e4
LT		 1139 return 0;
1140}
1141
1142static ssize_t
1143mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1144{
1145 struct cx8802_fh *fh = file->private_data;
f9e54e0c
JF		 1146 struct cx8802_dev *dev = fh->dev;
1147
1148 if (!dev->mpeg_active)
1149 blackbird_start_codec(file, fh);
1da177e4
LT		 1150
1151 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1152 file->f_flags & O_NONBLOCK);
1153}
1154
1155static unsigned int
1156mpeg_poll(struct file *file, struct poll_table_struct *wait)
1157{
1158 struct cx8802_fh *fh = file->private_data;
a2482377
FC		 1159 struct cx8802_dev *dev = fh->dev;
1160
1161 if (!dev->mpeg_active)
1162 blackbird_start_codec(file, fh);
1da177e4
LT		 1163
1164 return videobuf_poll_stream(file, &fh->mpegq, wait);
1165}
1166
1167static int
1168mpeg_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
bec43661 1175static const struct v4l2_file_operations mpeg_fops =
1da177e4
LT		 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,
b3c4ee70 1183 .ioctl = video_ioctl2,
1da177e4
LT		 1184};
1185
a399810c 1186static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
b3c4ee70
MCC		 1187 .vidioc_querymenu = vidioc_querymenu,
1188 .vidioc_querycap = vidioc_querycap,
78b526a4
HV		 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,
b3c4ee70
MCC		 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,
b3c4ee70
MCC		 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,
a399810c
HV		 1214};
1215
1216static struct video_device cx8802_mpeg_template = {
1217 .name = "cx8802",
a399810c
HV		 1218 .fops = &mpeg_fops,
1219 .ioctl_ops = &mpeg_ioctl_ops,
b3c4ee70 1220 .tvnorms = CX88_NORMS,
b930e1d8 1221 .current_norm = V4L2_STD_NTSC_M,
1da177e4
LT		 1222};
1223
1224/* ------------------------------------------------------------------ */
1225
6c5be74c
ST		 1226/* The CX8802 MPEG API will call this when we can use the hardware */
1227static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1228{
1229 struct cx88_core *core = drv->core;
1230 int err = 0;
1231
6a59d64c 1232 switch (core->boardnr) {
6c5be74c
ST		 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 */
79392737
DB		 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);
6c5be74c
ST		 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 */
1257static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1258{
1259 struct cx88_core *core = drv->core;
1260 int err = 0;
1261
6a59d64c 1262 switch (core->boardnr) {
6c5be74c
ST		 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
1da177e4
LT		 1272static void blackbird_unregister_video(struct cx8802_dev *dev)
1273{
1274 if (dev->mpeg_dev) {
f0813b4c 1275 if (video_is_registered(dev->mpeg_dev))
1da177e4
LT		 1276 video_unregister_device(dev->mpeg_dev);
1277 else
1278 video_device_release(dev->mpeg_dev);
1279 dev->mpeg_dev = NULL;
1280 }
1281}
1282
1283static 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");
63b0d5ad 1289 video_set_drvdata(dev->mpeg_dev, dev);
1da177e4
LT		 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 }
38c7c036
LP		 1296 printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1297 dev->core->name, video_device_node_name(dev->mpeg_dev));
1da177e4
LT		 1298 return 0;
1299}
1300
1301/* ----------------------------------------------------------- */
1302
6c5be74c 1303static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1da177e4 1304{
6c5be74c
ST		 1305 struct cx88_core *core = drv->core;
1306 struct cx8802_dev *dev = core->dvbdev;
1da177e4
LT		 1307 int err;
1308
32d83efc 1309 dprintk( 1, "%s\n", __func__);
6c5be74c 1310 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
6a59d64c 1311 core->boardnr,
6c5be74c
ST		 1312 core->name,
1313 core->pci_bus,
1314 core->pci_slot);
1da177e4
LT		 1315
1316 err = -ENODEV;
6a59d64c 1317 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1da177e4
LT		 1318 goto fail_core;
1319
1da177e4 1320 dev->width = 720;
e52e98a7 1321 dev->height = 576;
f022156b 1322 cx2341x_fill_defaults(&dev->params);
45ad9f8b 1323 dev->params.port = CX2341X_PORT_STREAMING;
1da177e4 1324
b3c4ee70
MCC		 1325 cx8802_mpeg_template.current_norm = core->tvnorm;
1326
ed10b06d 1327 if (core->tvnorm & V4L2_STD_525_60) {
45f87a21
MK		 1328 dev->height = 480;
1329 } else {
1330 dev->height = 576;
0345c387
ST		 1331 }
1332
1da177e4
LT		 1333 /* blackbird stuff */
1334 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1335 core->name);
1336 host_setup(dev->core);
1337
f9e54e0c 1338 blackbird_initialize_codec(dev);
1da177e4 1339 blackbird_register_video(dev);
e52e98a7
MCC		 1340
1341 /* initial device configuration: needed ? */
b3c4ee70
MCC		 1342// init_controls(core);
1343 cx88_set_tvnorm(core,core->tvnorm);
1344 cx88_video_mux(core,0);
e52e98a7 1345
1da177e4
LT		 1346 return 0;
1347
1da177e4 1348 fail_core:
1da177e4
LT		 1349 return err;
1350}
1351
6c5be74c 1352static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1da177e4 1353{
1da177e4 1354 /* blackbird */
6c5be74c 1355 blackbird_unregister_video(drv->core->dvbdev);
1da177e4 1356
6c5be74c 1357 return 0;
1da177e4
LT		 1358}
1359
6c5be74c
ST		 1360static 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,
1da177e4
LT		 1367};
1368
31d0f845 1369static int __init blackbird_init(void)
1da177e4 1370{
1990d50b
MCC		 1371 printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1372 CX88_VERSION);
6c5be74c 1373 return cx8802_register_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1374}
1375
31d0f845 1376static void __exit blackbird_fini(void)
1da177e4 1377{
6c5be74c 1378 cx8802_unregister_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1379}
1380
1381module_init(blackbird_init);
1382module_exit(blackbird_fini);
1383
b3c4ee70
MCC		 1384module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1385MODULE_PARM_DESC(debug,"enable debug messages [video]");
Linux kernel - Deliverables
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