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V4L/DVB (10135): v4l2: introduce v4l2_file_operations.
[mirror_ubuntu-artful-kernel.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 *
1da177e4
LT		 12 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28
29#include <linux/module.h>
1da177e4
LT		 30#include <linux/init.h>
31#include <linux/fs.h>
32#include <linux/delay.h>
33#include <linux/device.h>
34#include <linux/firmware.h>
855dbada 35#include <media/v4l2-common.h>
35ea11ff 36#include <media/v4l2-ioctl.h>
855dbada 37#include <media/cx2341x.h>
1da177e4
LT		 38
39#include "cx88.h"
40
41MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
f8de18d4 42MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
1da177e4
LT		 43MODULE_LICENSE("GPL");
44
31629424 45static unsigned int mpegbufs = 32;
1da177e4
LT		 46module_param(mpegbufs,int,0644);
47MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
48
ff699e6b 49static unsigned int debug;
1da177e4
LT		 50module_param(debug,int,0644);
51MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
52
53#define dprintk(level,fmt, arg...) if (debug >= level) \
54 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
55
1da177e4
LT		 56
57/* ------------------------------------------------------------------ */
58
25472237 59#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
1da177e4
LT		 60
61/* defines below are from ivtv-driver.h */
62
63#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
64
b45009b0 65/* Firmware API commands */
b45009b0
MCC		 66#define IVTV_API_STD_TIMEOUT 500
67
b45009b0
MCC		 68enum blackbird_capture_type {
69 BLACKBIRD_MPEG_CAPTURE,
70 BLACKBIRD_RAW_CAPTURE,
71 BLACKBIRD_RAW_PASSTHRU_CAPTURE
72};
73enum blackbird_capture_bits {
74 BLACKBIRD_RAW_BITS_NONE = 0x00,
75 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
76 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
77 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
78 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
79 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
80};
b45009b0
MCC		 81enum blackbird_capture_end {
82 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
83 BLACKBIRD_END_NOW, /* stop immediately, no irq */
84};
b45009b0
MCC		 85enum blackbird_framerate {
86 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
87 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
88};
b45009b0
MCC		 89enum blackbird_stream_port {
90 BLACKBIRD_OUTPUT_PORT_MEMORY,
91 BLACKBIRD_OUTPUT_PORT_STREAMING,
92 BLACKBIRD_OUTPUT_PORT_SERIAL
93};
b45009b0
MCC		 94enum blackbird_data_xfer_status {
95 BLACKBIRD_MORE_BUFFERS_FOLLOW,
96 BLACKBIRD_LAST_BUFFER,
97};
b45009b0
MCC		 98enum blackbird_picture_mask {
99 BLACKBIRD_PICTURE_MASK_NONE,
100 BLACKBIRD_PICTURE_MASK_I_FRAMES,
101 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
102 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
103};
b45009b0
MCC		 104enum blackbird_vbi_mode_bits {
105 BLACKBIRD_VBI_BITS_SLICED,
106 BLACKBIRD_VBI_BITS_RAW,
107};
108enum blackbird_vbi_insertion_bits {
109 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
110 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
113 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
114};
b45009b0
MCC		 115enum blackbird_dma_unit {
116 BLACKBIRD_DMA_BYTES,
117 BLACKBIRD_DMA_FRAMES,
118};
b45009b0
MCC		 119enum blackbird_dma_transfer_status_bits {
120 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
121 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
122 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
123};
b45009b0
MCC		 124enum blackbird_pause {
125 BLACKBIRD_PAUSE_ENCODING,
126 BLACKBIRD_RESUME_ENCODING,
127};
b45009b0
MCC		 128enum blackbird_copyright {
129 BLACKBIRD_COPYRIGHT_OFF,
130 BLACKBIRD_COPYRIGHT_ON,
131};
b45009b0
MCC		 132enum blackbird_notification_type {
133 BLACKBIRD_NOTIFICATION_REFRESH,
134};
135enum blackbird_notification_status {
136 BLACKBIRD_NOTIFICATION_OFF,
137 BLACKBIRD_NOTIFICATION_ON,
138};
139enum blackbird_notification_mailbox {
140 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
141};
b45009b0
MCC		 142enum blackbird_field1_lines {
143 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
144 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
145 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
146};
147enum blackbird_field2_lines {
148 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
149 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
150 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
151};
b45009b0
MCC		 152enum blackbird_custom_data_type {
153 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
154 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
155};
b45009b0
MCC		 156enum blackbird_mute {
157 BLACKBIRD_UNMUTE,
158 BLACKBIRD_MUTE,
159};
160enum blackbird_mute_video_mask {
161 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
162 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
163 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
164};
165enum blackbird_mute_video_shift {
166 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
167 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
168 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
169};
1da177e4
LT		 170
171/* Registers */
172#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
173#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
174#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
175#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
176#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
177#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
178
179/* ------------------------------------------------------------------ */
180
181static void host_setup(struct cx88_core *core)
182{
183 /* toggle reset of the host */
184 cx_write(MO_GPHST_SOFT_RST, 1);
185 udelay(100);
186 cx_write(MO_GPHST_SOFT_RST, 0);
187 udelay(100);
188
189 /* host port setup */
190 cx_write(MO_GPHST_WSC, 0x44444444U);
191 cx_write(MO_GPHST_XFR, 0);
192 cx_write(MO_GPHST_WDTH, 15);
193 cx_write(MO_GPHST_HDSHK, 0);
194 cx_write(MO_GPHST_MUX16, 0x44448888U);
195 cx_write(MO_GPHST_MODE, 0);
196}
197
198/* ------------------------------------------------------------------ */
199
200#define P1_MDATA0 0x390000
201#define P1_MDATA1 0x390001
202#define P1_MDATA2 0x390002
203#define P1_MDATA3 0x390003
204#define P1_MADDR2 0x390004
205#define P1_MADDR1 0x390005
206#define P1_MADDR0 0x390006
207#define P1_RDATA0 0x390008
208#define P1_RDATA1 0x390009
209#define P1_RDATA2 0x39000A
210#define P1_RDATA3 0x39000B
211#define P1_RADDR0 0x39000C
212#define P1_RADDR1 0x39000D
213#define P1_RRDWR 0x39000E
214
215static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
216{
217 unsigned long timeout = jiffies + msecs_to_jiffies(1);
218 u32 gpio0,need;
219
220 need = state ? 2 : 0;
221 for (;;) {
222 gpio0 = cx_read(MO_GP0_IO) & 2;
223 if (need == gpio0)
224 return 0;
225 if (time_after(jiffies,timeout))
226 return -1;
227 udelay(1);
228 }
229}
230
231static int memory_write(struct cx88_core *core, u32 address, u32 value)
232{
233 /* Warning: address is dword address (4 bytes) */
234 cx_writeb(P1_MDATA0, (unsigned int)value);
235 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
236 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
237 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
238 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
239 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
240 cx_writeb(P1_MADDR0, (unsigned int)address);
241 cx_read(P1_MDATA0);
242 cx_read(P1_MADDR0);
243
244 return wait_ready_gpio0_bit1(core,1);
245}
246
247static int memory_read(struct cx88_core *core, u32 address, u32 *value)
248{
4ac97914 249 int retval;
1da177e4
LT		 250 u32 val;
251
252 /* Warning: address is dword address (4 bytes) */
253 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
254 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
255 cx_writeb(P1_MADDR0, (unsigned int)address);
256 cx_read(P1_MADDR0);
257
258 retval = wait_ready_gpio0_bit1(core,1);
259
260 cx_writeb(P1_MDATA3, 0);
261 val = (unsigned char)cx_read(P1_MDATA3) << 24;
262 cx_writeb(P1_MDATA2, 0);
263 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
264 cx_writeb(P1_MDATA1, 0);
265 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
266 cx_writeb(P1_MDATA0, 0);
267 val |= (unsigned char)cx_read(P1_MDATA0);
268
269 *value = val;
270 return retval;
271}
272
273static int register_write(struct cx88_core *core, u32 address, u32 value)
274{
275 cx_writeb(P1_RDATA0, (unsigned int)value);
276 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
277 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
278 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
279 cx_writeb(P1_RADDR0, (unsigned int)address);
280 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
281 cx_writeb(P1_RRDWR, 1);
282 cx_read(P1_RDATA0);
283 cx_read(P1_RADDR0);
284
285 return wait_ready_gpio0_bit1(core,1);
286}
287
288
289static int register_read(struct cx88_core *core, u32 address, u32 *value)
290{
291 int retval;
292 u32 val;
293
294 cx_writeb(P1_RADDR0, (unsigned int)address);
295 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
296 cx_writeb(P1_RRDWR, 0);
297 cx_read(P1_RADDR0);
298
299 retval = wait_ready_gpio0_bit1(core,1);
300 val = (unsigned char)cx_read(P1_RDATA0);
301 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
302 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
303 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
304
305 *value = val;
306 return retval;
307}
308
309/* ------------------------------------------------------------------ */
310
ea48c13a 311static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
1da177e4 312{
f022156b 313 struct cx8802_dev *dev = priv;
1da177e4
LT		 314 unsigned long timeout;
315 u32 value, flag, retval;
316 int i;
1da177e4 317
32d83efc 318 dprintk(1,"%s: 0x%X\n", __func__, command);
1da177e4
LT		 319
320 /* this may not be 100% safe if we can't read any memory location
321 without side effects */
322 memory_read(dev->core, dev->mailbox - 4, &value);
323 if (value != 0x12345678) {
324 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
325 return -1;
326 }
327
328 memory_read(dev->core, dev->mailbox, &flag);
329 if (flag) {
330 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
331 return -1;
332 }
333
334 flag |= 1; /* tell 'em we're working on it */
335 memory_write(dev->core, dev->mailbox, flag);
336
337 /* write command + args + fill remaining with zeros */
338 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
339 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
f022156b
HV		 340 for (i = 0; i < in; i++) {
341 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
342 dprintk(1, "API Input %d = %d\n", i, data[i]);
1da177e4 343 }
f022156b 344 for (; i < CX2341X_MBOX_MAX_DATA; i++)
1da177e4
LT		 345 memory_write(dev->core, dev->mailbox + 4 + i, 0);
346
347 flag |= 3; /* tell 'em we're done writing */
348 memory_write(dev->core, dev->mailbox, flag);
349
350 /* wait for firmware to handle the API command */
351 timeout = jiffies + msecs_to_jiffies(10);
352 for (;;) {
353 memory_read(dev->core, dev->mailbox, &flag);
354 if (0 != (flag & 4))
355 break;
356 if (time_after(jiffies,timeout)) {
357 dprintk(0, "ERROR: API Mailbox timeout\n");
358 return -1;
359 }
360 udelay(10);
361 }
362
363 /* read output values */
f022156b
HV		 364 for (i = 0; i < out; i++) {
365 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
366 dprintk(1, "API Output %d = %d\n", i, data[i]);
1da177e4 367 }
1da177e4
LT		 368
369 memory_read(dev->core, dev->mailbox + 2, &retval);
370 dprintk(1, "API result = %d\n",retval);
371
372 flag = 0;
373 memory_write(dev->core, dev->mailbox, flag);
374 return retval;
375}
f022156b 376/* ------------------------------------------------------------------ */
1da177e4 377
f022156b
HV		 378/* We don't need to call the API often, so using just one mailbox will probably suffice */
379static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
380 u32 inputcnt, u32 outputcnt, ...)
381{
382 u32 data[CX2341X_MBOX_MAX_DATA];
383 va_list vargs;
384 int i, err;
385
386 va_start(vargs, outputcnt);
387
388 for (i = 0; i < inputcnt; i++) {
389 data[i] = va_arg(vargs, int);
390 }
391 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
392 for (i = 0; i < outputcnt; i++) {
393 int *vptr = va_arg(vargs, int *);
394 *vptr = data[i];
395 }
396 va_end(vargs);
397 return err;
398}
1da177e4
LT		 399
400static int blackbird_find_mailbox(struct cx8802_dev *dev)
401{
402 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
403 int signaturecnt=0;
404 u32 value;
405 int i;
406
e0099e9e 407 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
1da177e4
LT		 408 memory_read(dev->core, i, &value);
409 if (value == signature[signaturecnt])
410 signaturecnt++;
411 else
412 signaturecnt = 0;
413 if (4 == signaturecnt) {
414 dprintk(1, "Mailbox signature found\n");
415 return i+1;
416 }
417 }
418 dprintk(0, "Mailbox signature values not found!\n");
419 return -1;
420}
421
422static int blackbird_load_firmware(struct cx8802_dev *dev)
423{
424 static const unsigned char magic[8] = {
425 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
426 };
427 const struct firmware *firmware;
428 int i, retval = 0;
429 u32 value = 0;
430 u32 checksum = 0;
431 u32 *dataptr;
432
433 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
4ac97914
MCC		 434 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
435 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
436 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
1da177e4 437 msleep(1);
4ac97914 438 retval |= register_write(dev->core, IVTV_REG_APU, 0);
1da177e4
LT		 439
440 if (retval < 0)
441 dprintk(0, "Error with register_write\n");
442
48c35756 443 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
1da177e4 444 &dev->pci->dev);
674434c6
MCC		 445
446
1da177e4
LT		 447 if (retval != 0) {
448 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
48c35756 449 CX2341X_FIRM_ENC_FILENAME);
1da177e4
LT		 450 dprintk(0, "Please fix your hotplug setup, the board will "
451 "not work without firmware loaded!\n");
452 return -1;
453 }
454
25472237
HV		 455 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
456 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
457 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
73ca66b9 458 release_firmware(firmware);
1da177e4
LT		 459 return -1;
460 }
461
462 if (0 != memcmp(firmware->data, magic, 8)) {
463 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
73ca66b9 464 release_firmware(firmware);
1da177e4
LT		 465 return -1;
466 }
467
468 /* transfer to the chip */
469 dprintk(1,"Loading firmware ...\n");
470 dataptr = (u32*)firmware->data;
471 for (i = 0; i < (firmware->size >> 2); i++) {
472 value = *dataptr;
473 checksum += ~value;
474 memory_write(dev->core, i, value);
475 dataptr++;
476 }
477
478 /* read back to verify with the checksum */
479 for (i--; i >= 0; i--) {
480 memory_read(dev->core, i, &value);
481 checksum -= ~value;
482 }
483 if (checksum) {
484 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
73ca66b9 485 release_firmware(firmware);
1da177e4
LT		 486 return -1;
487 }
488 release_firmware(firmware);
489 dprintk(0, "Firmware upload successful.\n");
490
4ac97914
MCC		 491 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
492 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
493 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
1da177e4
LT		 494 msleep(1);
495
496 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
4ac97914 497 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
1da177e4
LT		 498
499 if (retval < 0)
500 dprintk(0, "Error with register_write\n");
501 return 0;
502}
503
b45009b0
MCC		 504/**
505 Settings used by the windows tv app for PVR2000:
506=================================================================================================================
507Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
508-----------------------------------------------------------------------------------------------------------------
509MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514=================================================================================================================
515*DB: "DirectBurn"
516*/
31629424 517
f022156b
HV		 518static void blackbird_codec_settings(struct cx8802_dev *dev)
519{
520 /* assign frame size */
521 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
522 dev->height, dev->width);
523
524 dev->params.width = dev->width;
525 dev->params.height = dev->height;
ed10b06d 526 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
f022156b
HV		 527
528 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
529}
530
1da177e4
LT		 531static int blackbird_initialize_codec(struct cx8802_dev *dev)
532{
533 struct cx88_core *core = dev->core;
534 int version;
535 int retval;
536
537 dprintk(1,"Initialize codec\n");
855dbada 538 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4 539 if (retval < 0) {
f9e54e0c
JF		 540
541 dev->mpeg_active = 0;
542
1da177e4
LT		 543 /* ping was not successful, reset and upload firmware */
544 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
1da177e4 545 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
1da177e4
LT		 546 retval = blackbird_load_firmware(dev);
547 if (retval < 0)
548 return retval;
549
50fa46b2
RK		 550 retval = blackbird_find_mailbox(dev);
551 if (retval < 0)
1da177e4
LT		 552 return -1;
553
50fa46b2
RK		 554 dev->mailbox = retval;
555
855dbada 556 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4
LT		 557 if (retval < 0) {
558 dprintk(0, "ERROR: Firmware ping failed!\n");
559 return -1;
560 }
561
855dbada 562 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
1da177e4
LT		 563 if (retval < 0) {
564 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
565 return -1;
566 }
567 dprintk(0, "Firmware version is 0x%08x\n", version);
568 }
1da177e4
LT		 569
570 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
571 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
572 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
573 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
574
1da177e4 575 blackbird_codec_settings(dev);
1da177e4 576
855dbada 577 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
b45009b0 578 BLACKBIRD_FIELD1_SAA7115,
8a17ef97 579 BLACKBIRD_FIELD2_SAA7115
b45009b0
MCC		 580 );
581
855dbada 582 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
b45009b0
MCC		 583 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
584 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
1da177e4 585
f9e54e0c
JF		 586 return 0;
587}
588
589static int blackbird_start_codec(struct file *file, void *priv)
590{
591 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
592 struct cx88_core *core = dev->core;
593 /* start capturing to the host interface */
594 u32 reg;
595
596 int i;
597 int lastchange = -1;
598 int lastval = 0;
599
d8f69971 600 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
f9e54e0c
JF		 601 reg = cx_read(AUD_STATUS);
602
d8f69971
MCC		 603 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
604 if ((reg & 0x0F) != lastval) {
f9e54e0c
JF		 605 lastval = reg & 0x0F;
606 lastchange = i;
607 }
608 msleep(100);
609 }
610
611 /* unmute audio source */
612 cx_clear(AUD_VOL_CTL, (1 << 6));
1da177e4 613
d8f69971 614 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
f9e54e0c
JF		 615
616 /* initialize the video input */
617 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
618
e52e98a7 619 /* start capturing to the host interface */
855dbada 620 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
b45009b0
MCC		 621 BLACKBIRD_MPEG_CAPTURE,
622 BLACKBIRD_RAW_BITS_NONE
e52e98a7 623 );
1da177e4 624
f9e54e0c
JF		 625 dev->mpeg_active = 1;
626 return 0;
627}
628
629static int blackbird_stop_codec(struct cx8802_dev *dev)
630{
f9e54e0c
JF		 631 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
632 BLACKBIRD_END_NOW,
633 BLACKBIRD_MPEG_CAPTURE,
634 BLACKBIRD_RAW_BITS_NONE
635 );
f9e54e0c
JF		 636
637 dev->mpeg_active = 0;
1da177e4
LT		 638 return 0;
639}
640
641/* ------------------------------------------------------------------ */
642
643static int bb_buf_setup(struct videobuf_queue *q,
644 unsigned int *count, unsigned int *size)
645{
646 struct cx8802_fh *fh = q->priv_data;
647
e52e98a7 648 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
31629424 649 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
1da177e4
LT		 650
651 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
31629424 652 *count = fh->dev->ts_packet_count;
1da177e4
LT		 653 return 0;
654}
655
656static int
657bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
658 enum v4l2_field field)
659{
660 struct cx8802_fh *fh = q->priv_data;
c7b0ac05 661 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
1da177e4
LT		 662}
663
664static void
665bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
666{
667 struct cx8802_fh *fh = q->priv_data;
668 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
669}
670
671static void
672bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
673{
c7b0ac05 674 cx88_free_buffer(q, (struct cx88_buffer*)vb);
1da177e4
LT		 675}
676
677static struct videobuf_queue_ops blackbird_qops = {
678 .buf_setup = bb_buf_setup,
679 .buf_prepare = bb_buf_prepare,
680 .buf_queue = bb_buf_queue,
681 .buf_release = bb_buf_release,
682};
683
684/* ------------------------------------------------------------------ */
685
38a2713a
MK		 686static const u32 *ctrl_classes[] = {
687 cx88_user_ctrls,
688 cx2341x_mpeg_ctrls,
689 NULL
690};
691
692static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
693{
694 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
695 if (qctrl->id == 0)
696 return -EINVAL;
697
698 /* Standard V4L2 controls */
6d04203c 699 if (cx8800_ctrl_query(dev->core, qctrl) == 0)
38a2713a
MK		 700 return 0;
701
702 /* MPEG V4L2 controls */
703 if (cx2341x_ctrl_query(&dev->params, qctrl))
704 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
705 return 0;
706}
707
b3c4ee70
MCC		 708/* ------------------------------------------------------------------ */
709/* IOCTL Handlers */
710
711static int vidioc_querymenu (struct file *file, void *priv,
712 struct v4l2_querymenu *qmenu)
38a2713a 713{
b3c4ee70 714 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
38a2713a
MK		 715 struct v4l2_queryctrl qctrl;
716
717 qctrl.id = qmenu->id;
718 blackbird_queryctrl(dev, &qctrl);
e0e31cdb
HV		 719 return v4l2_ctrl_query_menu(qmenu, &qctrl,
720 cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
38a2713a
MK		 721}
722
b3c4ee70
MCC		 723static int vidioc_querycap (struct file *file, void *priv,
724 struct v4l2_capability *cap)
1da177e4 725{
b3c4ee70 726 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
e52e98a7 727 struct cx88_core *core = dev->core;
1da177e4 728
b3c4ee70 729 strcpy(cap->driver, "cx88_blackbird");
6a59d64c 730 strlcpy(cap->card, core->board.name, sizeof(cap->card));
b3c4ee70
MCC		 731 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
732 cap->version = CX88_VERSION_CODE;
733 cap->capabilities =
734 V4L2_CAP_VIDEO_CAPTURE |
735 V4L2_CAP_READWRITE |
736 V4L2_CAP_STREAMING;
6a59d64c 737 if (UNSET != core->board.tuner_type)
b3c4ee70
MCC		 738 cap->capabilities |= V4L2_CAP_TUNER;
739 return 0;
740}
741
78b526a4 742static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 743 struct v4l2_fmtdesc *f)
744{
745 if (f->index != 0)
746 return -EINVAL;
1da177e4 747
b3c4ee70
MCC		 748 strlcpy(f->description, "MPEG", sizeof(f->description));
749 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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
760 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
761 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
762 f->fmt.pix.bytesperline = 0;
763 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
764 f->fmt.pix.colorspace = 0;
765 f->fmt.pix.width = dev->width;
766 f->fmt.pix.height = dev->height;
767 f->fmt.pix.field = fh->mpegq.field;
768 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
769 dev->width, dev->height, fh->mpegq.field );
770 return 0;
771}
e52e98a7 772
78b526a4 773static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 774 struct v4l2_format *f)
775{
776 struct cx8802_fh *fh = priv;
777 struct cx8802_dev *dev = fh->dev;
778
779 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
780 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
781 f->fmt.pix.bytesperline = 0;
782 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
783 f->fmt.pix.colorspace = 0;
784 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
785 dev->width, dev->height, fh->mpegq.field );
786 return 0;
787}
e52e98a7 788
78b526a4 789static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 790 struct v4l2_format *f)
791{
792 struct cx8802_fh *fh = priv;
793 struct cx8802_dev *dev = fh->dev;
794 struct cx88_core *core = dev->core;
e52e98a7 795
b3c4ee70
MCC		 796 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
797 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
798 f->fmt.pix.bytesperline = 0;
799 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
800 f->fmt.pix.colorspace = 0;
801 dev->width = f->fmt.pix.width;
802 dev->height = f->fmt.pix.height;
803 fh->mpegq.field = f->fmt.pix.field;
804 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
805 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
806 f->fmt.pix.height, f->fmt.pix.width);
807 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
808 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
809 return 0;
810}
1da177e4 811
b3c4ee70
MCC		 812static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
813{
814 struct cx8802_fh *fh = priv;
815 return (videobuf_reqbufs(&fh->mpegq, p));
816}
1da177e4 817
b3c4ee70
MCC		 818static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
819{
820 struct cx8802_fh *fh = priv;
821 return (videobuf_querybuf(&fh->mpegq, p));
822}
1da177e4 823
b3c4ee70
MCC		 824static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
825{
826 struct cx8802_fh *fh = priv;
827 return (videobuf_qbuf(&fh->mpegq, p));
828}
1da177e4 829
b3c4ee70
MCC		 830static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
831{
832 struct cx8802_fh *fh = priv;
833 return (videobuf_dqbuf(&fh->mpegq, p,
834 file->f_flags & O_NONBLOCK));
835}
1da177e4 836
b3c4ee70
MCC		 837static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
838{
839 struct cx8802_fh *fh = priv;
840 return videobuf_streamon(&fh->mpegq);
841}
1da177e4 842
b3c4ee70
MCC		 843static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
844{
845 struct cx8802_fh *fh = priv;
846 return videobuf_streamoff(&fh->mpegq);
847}
1da177e4 848
b3c4ee70
MCC		 849static int vidioc_g_ext_ctrls (struct file *file, void *priv,
850 struct v4l2_ext_controls *f)
851{
852 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
1571720c 853
b3c4ee70
MCC		 854 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
855 return -EINVAL;
01f1e44f 856 return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
b3c4ee70 857}
2544bf2d 858
b3c4ee70
MCC		 859static int vidioc_s_ext_ctrls (struct file *file, void *priv,
860 struct v4l2_ext_controls *f)
861{
862 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
863 struct cx2341x_mpeg_params p;
864 int err;
2544bf2d 865
b3c4ee70
MCC		 866 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
867 return -EINVAL;
f9e54e0c
JF		 868
869 if (dev->mpeg_active)
870 blackbird_stop_codec(dev);
871
b3c4ee70 872 p = dev->params;
01f1e44f 873 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
b3c4ee70
MCC		 874 if (!err) {
875 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
876 dev->params = p;
99eb44fe 877 }
b3c4ee70
MCC		 878 return err;
879}
38a2713a 880
b3c4ee70
MCC		 881static int vidioc_try_ext_ctrls (struct file *file, void *priv,
882 struct v4l2_ext_controls *f)
883{
884 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
885 struct cx2341x_mpeg_params p;
886 int err;
1571720c 887
b3c4ee70
MCC		 888 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
889 return -EINVAL;
890 p = dev->params;
01f1e44f 891 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1571720c 892
b3c4ee70
MCC		 893 return err;
894}
31629424 895
b3c4ee70
MCC		 896static int vidioc_s_frequency (struct file *file, void *priv,
897 struct v4l2_frequency *f)
898{
899 struct cx8802_fh *fh = priv;
900 struct cx8802_dev *dev = fh->dev;
901 struct cx88_core *core = dev->core;
23154f2f 902
f9e54e0c
JF		 903 if (dev->mpeg_active)
904 blackbird_stop_codec(dev);
905
b3c4ee70
MCC		 906 cx88_set_freq (core,f);
907 blackbird_initialize_codec(dev);
908 cx88_set_scale(dev->core, dev->width, dev->height,
909 fh->mpegq.field);
910 return 0;
911}
23154f2f 912
b3c4ee70
MCC		 913static int vidioc_log_status (struct file *file, void *priv)
914{
915 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
916 struct cx88_core *core = dev->core;
917 char name[32 + 2];
918
919 snprintf(name, sizeof(name), "%s/2", core->name);
920 printk("%s/2: ============ START LOG STATUS ============\n",
921 core->name);
922 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
923 cx2341x_log_status(&dev->params, name);
924 printk("%s/2: ============= END LOG STATUS =============\n",
925 core->name);
926 return 0;
927}
23154f2f 928
b3c4ee70
MCC		 929static int vidioc_queryctrl (struct file *file, void *priv,
930 struct v4l2_queryctrl *qctrl)
931{
932 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
23154f2f 933
b3c4ee70
MCC		 934 if (blackbird_queryctrl(dev, qctrl) == 0)
935 return 0;
23154f2f 936
b3c4ee70
MCC		 937 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
938 if (unlikely(qctrl->id == 0))
939 return -EINVAL;
6d04203c 940 return cx8800_ctrl_query(dev->core, qctrl);
b3c4ee70 941}
23154f2f 942
b3c4ee70
MCC		 943static int vidioc_enum_input (struct file *file, void *priv,
944 struct v4l2_input *i)
945{
946 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
947 return cx88_enum_input (core,i);
948}
ed10b06d 949
b3c4ee70
MCC		 950static int vidioc_g_ctrl (struct file *file, void *priv,
951 struct v4l2_control *ctl)
952{
953 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
954 return
955 cx88_get_control(core,ctl);
956}
ed10b06d 957
b3c4ee70
MCC		 958static int vidioc_s_ctrl (struct file *file, void *priv,
959 struct v4l2_control *ctl)
960{
961 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
962 return
963 cx88_set_control(core,ctl);
964}
ed10b06d 965
b3c4ee70
MCC		 966static int vidioc_g_frequency (struct file *file, void *priv,
967 struct v4l2_frequency *f)
968{
969 struct cx8802_fh *fh = priv;
970 struct cx88_core *core = fh->dev->core;
ed10b06d 971
6a59d64c 972 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 973 return -EINVAL;
ed10b06d 974
b3c4ee70
MCC		 975 f->type = V4L2_TUNER_ANALOG_TV;
976 f->frequency = core->freq;
977 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
ed10b06d 978
b3c4ee70
MCC		 979 return 0;
980}
ed10b06d 981
b3c4ee70
MCC		 982static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
983{
984 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
23154f2f 985
b3c4ee70
MCC		 986 *i = core->input;
987 return 0;
988}
ed10b06d 989
b3c4ee70
MCC		 990static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
991{
992 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
ed10b06d 993
b3c4ee70
MCC		 994 if (i >= 4)
995 return -EINVAL;
996
997 mutex_lock(&core->lock);
998 cx88_newstation(core);
999 cx88_video_mux(core,i);
1000 mutex_unlock(&core->lock);
ed10b06d
MCC		 1001 return 0;
1002}
1003
b3c4ee70
MCC		 1004static int vidioc_g_tuner (struct file *file, void *priv,
1005 struct v4l2_tuner *t)
1006{
1007 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1008 u32 reg;
1009
6a59d64c 1010 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 1011 return -EINVAL;
f057131f
JF		 1012 if (0 != t->index)
1013 return -EINVAL;
b3c4ee70
MCC		 1014
1015 strcpy(t->name, "Television");
1016 t->type = V4L2_TUNER_ANALOG_TV;
1017 t->capability = V4L2_TUNER_CAP_NORM;
1018 t->rangehigh = 0xffffffffUL;
1019
1020 cx88_get_stereo(core ,t);
1021 reg = cx_read(MO_DEVICE_STATUS);
1022 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1023 return 0;
1024}
6c5be74c 1025
b3c4ee70
MCC		 1026static int vidioc_s_tuner (struct file *file, void *priv,
1027 struct v4l2_tuner *t)
e52e98a7 1028{
b3c4ee70
MCC		 1029 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1030
6a59d64c 1031 if (UNSET == core->board.tuner_type)
b3c4ee70
MCC		 1032 return -EINVAL;
1033 if (0 != t->index)
1034 return -EINVAL;
1035
1036 cx88_set_stereo(core, t->audmode, 1);
1037 return 0;
e52e98a7
MCC		 1038}
1039
b3c4ee70 1040static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1da177e4 1041{
b3c4ee70
MCC		 1042 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1043
1044 mutex_lock(&core->lock);
1045 cx88_set_tvnorm(core,*id);
1046 mutex_unlock(&core->lock);
1047 return 0;
1da177e4
LT		 1048}
1049
b3c4ee70
MCC		 1050/* FIXME: cx88_ioctl_hook not implemented */
1051
bec43661 1052static int mpeg_open(struct file *file)
1da177e4 1053{
bec43661 1054 int minor = video_devdata(file)->minor;
6c5be74c 1055 struct cx8802_dev *dev = NULL;
1da177e4 1056 struct cx8802_fh *fh;
6c5be74c
ST		 1057 struct cx8802_driver *drv = NULL;
1058 int err;
1da177e4 1059
d56dc612 1060 lock_kernel();
bec43661 1061 dev = cx8802_get_device(minor);
49c6b46a 1062
32d83efc 1063 dprintk( 1, "%s\n", __func__);
6c5be74c 1064
d56dc612
HV		 1065 if (dev == NULL) {
1066 unlock_kernel();
1da177e4 1067 return -ENODEV;
d56dc612 1068 }
1da177e4 1069
6c5be74c
ST		 1070 /* Make sure we can acquire the hardware */
1071 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1072 if (drv) {
1073 err = drv->request_acquire(drv);
1074 if(err != 0) {
32d83efc 1075 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
da703d62 1076 unlock_kernel();
6c5be74c
ST		 1077 return err;
1078 }
1079 }
1080
9c8e0a26 1081 if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
6c5be74c
ST		 1082 if (drv)
1083 drv->request_release(drv);
d56dc612 1084 unlock_kernel();
1da177e4 1085 return -EINVAL;
6c5be74c 1086 }
1da177e4
LT		 1087 dprintk(1,"open minor=%d\n",minor);
1088
1089 /* allocate + initialize per filehandle data */
7408187d 1090 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
6c5be74c
ST		 1091 if (NULL == fh) {
1092 if (drv)
1093 drv->request_release(drv);
d56dc612 1094 unlock_kernel();
1da177e4 1095 return -ENOMEM;
6c5be74c 1096 }
1da177e4
LT		 1097 file->private_data = fh;
1098 fh->dev = dev;
1099
0705135e
GL		 1100 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1101 &dev->pci->dev, &dev->slock,
1da177e4 1102 V4L2_BUF_TYPE_VIDEO_CAPTURE,
31629424 1103 V4L2_FIELD_INTERLACED,
1da177e4
LT		 1104 sizeof(struct cx88_buffer),
1105 fh);
31629424
CC		 1106
1107 /* FIXME: locking against other video device */
1108 cx88_set_scale(dev->core, dev->width, dev->height,
1109 fh->mpegq.field);
d56dc612 1110 unlock_kernel();
31629424 1111
9c8e0a26
FC		 1112 atomic_inc(&dev->core->mpeg_users);
1113
1da177e4
LT		 1114 return 0;
1115}
1116
bec43661 1117static int mpeg_release(struct file *file)
1da177e4
LT		 1118{
1119 struct cx8802_fh *fh = file->private_data;
f9e54e0c 1120 struct cx8802_dev *dev = fh->dev;
6c5be74c 1121 struct cx8802_driver *drv = NULL;
1da177e4 1122
9c8e0a26 1123 if (dev->mpeg_active && atomic_read(&dev->core->mpeg_users) == 1)
f9e54e0c 1124 blackbird_stop_codec(dev);
1da177e4 1125
0b5f56d6 1126 cx8802_cancel_buffers(fh->dev);
1da177e4 1127 /* stop mpeg capture */
053fcb60 1128 videobuf_stop(&fh->mpegq);
1da177e4
LT		 1129
1130 videobuf_mmap_free(&fh->mpegq);
1131 file->private_data = NULL;
1132 kfree(fh);
6c5be74c
ST		 1133
1134 /* Make sure we release the hardware */
bec43661 1135 dev = cx8802_get_device(video_devdata(file)->minor);
6c5be74c
ST		 1136 if (dev == NULL)
1137 return -ENODEV;
1138
1139 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1140 if (drv)
1141 drv->request_release(drv);
1142
9c8e0a26
FC		 1143 atomic_dec(&dev->core->mpeg_users);
1144
1da177e4
LT		 1145 return 0;
1146}
1147
1148static ssize_t
1149mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1150{
1151 struct cx8802_fh *fh = file->private_data;
f9e54e0c
JF		 1152 struct cx8802_dev *dev = fh->dev;
1153
1154 if (!dev->mpeg_active)
1155 blackbird_start_codec(file, fh);
1da177e4
LT		 1156
1157 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1158 file->f_flags & O_NONBLOCK);
1159}
1160
1161static unsigned int
1162mpeg_poll(struct file *file, struct poll_table_struct *wait)
1163{
1164 struct cx8802_fh *fh = file->private_data;
a2482377
FC		 1165 struct cx8802_dev *dev = fh->dev;
1166
1167 if (!dev->mpeg_active)
1168 blackbird_start_codec(file, fh);
1da177e4
LT		 1169
1170 return videobuf_poll_stream(file, &fh->mpegq, wait);
1171}
1172
1173static int
1174mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1175{
1176 struct cx8802_fh *fh = file->private_data;
1177
1178 return videobuf_mmap_mapper(&fh->mpegq, vma);
1179}
1180
bec43661 1181static const struct v4l2_file_operations mpeg_fops =
1da177e4
LT		 1182{
1183 .owner = THIS_MODULE,
1184 .open = mpeg_open,
1185 .release = mpeg_release,
1186 .read = mpeg_read,
1187 .poll = mpeg_poll,
1188 .mmap = mpeg_mmap,
b3c4ee70 1189 .ioctl = video_ioctl2,
1da177e4
LT		 1190};
1191
a399810c 1192static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
b3c4ee70
MCC		 1193 .vidioc_querymenu = vidioc_querymenu,
1194 .vidioc_querycap = vidioc_querycap,
78b526a4
HV		 1195 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1196 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1197 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1198 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
b3c4ee70
MCC		 1199 .vidioc_reqbufs = vidioc_reqbufs,
1200 .vidioc_querybuf = vidioc_querybuf,
1201 .vidioc_qbuf = vidioc_qbuf,
1202 .vidioc_dqbuf = vidioc_dqbuf,
1203 .vidioc_streamon = vidioc_streamon,
1204 .vidioc_streamoff = vidioc_streamoff,
b3c4ee70
MCC		 1205 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1206 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1207 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1208 .vidioc_s_frequency = vidioc_s_frequency,
1209 .vidioc_log_status = vidioc_log_status,
1210 .vidioc_queryctrl = vidioc_queryctrl,
1211 .vidioc_enum_input = vidioc_enum_input,
1212 .vidioc_g_ctrl = vidioc_g_ctrl,
1213 .vidioc_s_ctrl = vidioc_s_ctrl,
1214 .vidioc_g_frequency = vidioc_g_frequency,
1215 .vidioc_g_input = vidioc_g_input,
1216 .vidioc_s_input = vidioc_s_input,
1217 .vidioc_g_tuner = vidioc_g_tuner,
1218 .vidioc_s_tuner = vidioc_s_tuner,
1219 .vidioc_s_std = vidioc_s_std,
a399810c
HV		 1220};
1221
1222static struct video_device cx8802_mpeg_template = {
1223 .name = "cx8802",
a399810c
HV		 1224 .fops = &mpeg_fops,
1225 .ioctl_ops = &mpeg_ioctl_ops,
1226 .minor = -1,
b3c4ee70 1227 .tvnorms = CX88_NORMS,
b930e1d8 1228 .current_norm = V4L2_STD_NTSC_M,
1da177e4
LT		 1229};
1230
1231/* ------------------------------------------------------------------ */
1232
6c5be74c
ST		 1233/* The CX8802 MPEG API will call this when we can use the hardware */
1234static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1235{
1236 struct cx88_core *core = drv->core;
1237 int err = 0;
1238
6a59d64c 1239 switch (core->boardnr) {
6c5be74c
ST		 1240 case CX88_BOARD_HAUPPAUGE_HVR1300:
1241 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1242 * We left the hardware on power up with the cx22702 active.
1243 * We're being given access to re-arrange the GPIOs.
1244 * Take the bus off the cx22702 and put the cx23416 on it.
1245 */
79392737
DB		 1246 /* Toggle reset on cx22702 leaving i2c active */
1247 cx_set(MO_GP0_IO, 0x00000080);
1248 udelay(1000);
1249 cx_clear(MO_GP0_IO, 0x00000080);
1250 udelay(50);
1251 cx_set(MO_GP0_IO, 0x00000080);
1252 udelay(1000);
1253 /* tri-state the cx22702 pins */
1254 cx_set(MO_GP0_IO, 0x00000004);
1255 udelay(1000);
6c5be74c
ST		 1256 break;
1257 default:
1258 err = -ENODEV;
1259 }
1260 return err;
1261}
1262
1263/* The CX8802 MPEG API will call this when we need to release the hardware */
1264static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1265{
1266 struct cx88_core *core = drv->core;
1267 int err = 0;
1268
6a59d64c 1269 switch (core->boardnr) {
6c5be74c
ST		 1270 case CX88_BOARD_HAUPPAUGE_HVR1300:
1271 /* Exit leaving the cx23416 on the bus */
1272 break;
1273 default:
1274 err = -ENODEV;
1275 }
1276 return err;
1277}
1278
1da177e4
LT		 1279static void blackbird_unregister_video(struct cx8802_dev *dev)
1280{
1281 if (dev->mpeg_dev) {
1282 if (-1 != dev->mpeg_dev->minor)
1283 video_unregister_device(dev->mpeg_dev);
1284 else
1285 video_device_release(dev->mpeg_dev);
1286 dev->mpeg_dev = NULL;
1287 }
1288}
1289
1290static int blackbird_register_video(struct cx8802_dev *dev)
1291{
1292 int err;
1293
1294 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1295 &cx8802_mpeg_template,"mpeg");
1296 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1297 if (err < 0) {
1298 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1299 dev->core->name);
1300 return err;
1301 }
1302 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
c6330fb8 1303 dev->core->name, dev->mpeg_dev->num);
1da177e4
LT		 1304 return 0;
1305}
1306
1307/* ----------------------------------------------------------- */
1308
6c5be74c 1309static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1da177e4 1310{
6c5be74c
ST		 1311 struct cx88_core *core = drv->core;
1312 struct cx8802_dev *dev = core->dvbdev;
1da177e4
LT		 1313 int err;
1314
32d83efc 1315 dprintk( 1, "%s\n", __func__);
6c5be74c 1316 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
6a59d64c 1317 core->boardnr,
6c5be74c
ST		 1318 core->name,
1319 core->pci_bus,
1320 core->pci_slot);
1da177e4
LT		 1321
1322 err = -ENODEV;
6a59d64c 1323 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1da177e4
LT		 1324 goto fail_core;
1325
1da177e4 1326 dev->width = 720;
e52e98a7 1327 dev->height = 576;
f022156b 1328 cx2341x_fill_defaults(&dev->params);
45ad9f8b 1329 dev->params.port = CX2341X_PORT_STREAMING;
1da177e4 1330
b3c4ee70
MCC		 1331 cx8802_mpeg_template.current_norm = core->tvnorm;
1332
ed10b06d 1333 if (core->tvnorm & V4L2_STD_525_60) {
45f87a21
MK		 1334 dev->height = 480;
1335 } else {
1336 dev->height = 576;
0345c387
ST		 1337 }
1338
1da177e4
LT		 1339 /* blackbird stuff */
1340 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1341 core->name);
1342 host_setup(dev->core);
1343
f9e54e0c 1344 blackbird_initialize_codec(dev);
1da177e4 1345 blackbird_register_video(dev);
e52e98a7
MCC		 1346
1347 /* initial device configuration: needed ? */
b3c4ee70
MCC		 1348 mutex_lock(&dev->core->lock);
1349// init_controls(core);
1350 cx88_set_tvnorm(core,core->tvnorm);
1351 cx88_video_mux(core,0);
1352 mutex_unlock(&dev->core->lock);
e52e98a7 1353
1da177e4
LT		 1354 return 0;
1355
1da177e4 1356 fail_core:
1da177e4
LT		 1357 return err;
1358}
1359
6c5be74c 1360static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1da177e4 1361{
1da177e4 1362 /* blackbird */
6c5be74c 1363 blackbird_unregister_video(drv->core->dvbdev);
1da177e4 1364
6c5be74c 1365 return 0;
1da177e4
LT		 1366}
1367
6c5be74c
ST		 1368static struct cx8802_driver cx8802_blackbird_driver = {
1369 .type_id = CX88_MPEG_BLACKBIRD,
1370 .hw_access = CX8802_DRVCTL_SHARED,
1371 .probe = cx8802_blackbird_probe,
1372 .remove = cx8802_blackbird_remove,
1373 .advise_acquire = cx8802_blackbird_advise_acquire,
1374 .advise_release = cx8802_blackbird_advise_release,
1da177e4
LT		 1375};
1376
1377static int blackbird_init(void)
1378{
1379 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1380 (CX88_VERSION_CODE >> 16) & 0xff,
1381 (CX88_VERSION_CODE >> 8) & 0xff,
1382 CX88_VERSION_CODE & 0xff);
1383#ifdef SNAPSHOT
1384 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1385 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1386#endif
6c5be74c 1387 return cx8802_register_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1388}
1389
1390static void blackbird_fini(void)
1391{
6c5be74c 1392 cx8802_unregister_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1393}
1394
1395module_init(blackbird_init);
1396module_exit(blackbird_fini);
1397
b3c4ee70
MCC		 1398module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1399MODULE_PARM_DESC(debug,"enable debug messages [video]");
6c5be74c 1400
1da177e4
LT		 1401/* ----------------------------------------------------------- */
1402/*
1403 * Local variables:
1404 * c-basic-offset: 8
1405 * End:
b45009b0 1406 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
1da177e4 1407 */
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