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V4L/DVB (7235): tuner-simple: fix a buffer overflow
[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 *
6 * (c) 2004 Jelle Foks <jelle@foks.8m.com>
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
MK		 35#include <media/v4l2-common.h>
36#include <media/cx2341x.h>
1da177e4
LT		 37
38#include "cx88.h"
39
40MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
d21838dd 41MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
1da177e4
LT		 42MODULE_LICENSE("GPL");
43
31629424 44static unsigned int mpegbufs = 32;
1da177e4
LT		 45module_param(mpegbufs,int,0644);
46MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
47
ff699e6b 48static unsigned int debug;
1da177e4
LT		 49module_param(debug,int,0644);
50MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
51
52#define dprintk(level,fmt, arg...) if (debug >= level) \
53 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
54
1da177e4
LT		 55
56/* ------------------------------------------------------------------ */
57
25472237 58#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
1da177e4
LT		 59
60/* defines below are from ivtv-driver.h */
61
62#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
63
b45009b0 64/* Firmware API commands */
b45009b0
MCC		 65#define IVTV_API_STD_TIMEOUT 500
66
b45009b0
MCC		 67enum blackbird_capture_type {
68 BLACKBIRD_MPEG_CAPTURE,
69 BLACKBIRD_RAW_CAPTURE,
70 BLACKBIRD_RAW_PASSTHRU_CAPTURE
71};
72enum blackbird_capture_bits {
73 BLACKBIRD_RAW_BITS_NONE = 0x00,
74 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
75 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
76 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
77 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
78 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
79};
b45009b0
MCC		 80enum blackbird_capture_end {
81 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
82 BLACKBIRD_END_NOW, /* stop immediately, no irq */
83};
b45009b0
MCC		 84enum blackbird_framerate {
85 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
86 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
87};
b45009b0
MCC		 88enum blackbird_stream_port {
89 BLACKBIRD_OUTPUT_PORT_MEMORY,
90 BLACKBIRD_OUTPUT_PORT_STREAMING,
91 BLACKBIRD_OUTPUT_PORT_SERIAL
92};
b45009b0
MCC		 93enum blackbird_data_xfer_status {
94 BLACKBIRD_MORE_BUFFERS_FOLLOW,
95 BLACKBIRD_LAST_BUFFER,
96};
b45009b0
MCC		 97enum blackbird_picture_mask {
98 BLACKBIRD_PICTURE_MASK_NONE,
99 BLACKBIRD_PICTURE_MASK_I_FRAMES,
100 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
101 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
102};
b45009b0
MCC		 103enum blackbird_vbi_mode_bits {
104 BLACKBIRD_VBI_BITS_SLICED,
105 BLACKBIRD_VBI_BITS_RAW,
106};
107enum blackbird_vbi_insertion_bits {
108 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
109 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
110 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
113};
b45009b0
MCC		 114enum blackbird_dma_unit {
115 BLACKBIRD_DMA_BYTES,
116 BLACKBIRD_DMA_FRAMES,
117};
b45009b0
MCC		 118enum blackbird_dma_transfer_status_bits {
119 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
120 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
121 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
122};
b45009b0
MCC		 123enum blackbird_pause {
124 BLACKBIRD_PAUSE_ENCODING,
125 BLACKBIRD_RESUME_ENCODING,
126};
b45009b0
MCC		 127enum blackbird_copyright {
128 BLACKBIRD_COPYRIGHT_OFF,
129 BLACKBIRD_COPYRIGHT_ON,
130};
b45009b0
MCC		 131enum blackbird_notification_type {
132 BLACKBIRD_NOTIFICATION_REFRESH,
133};
134enum blackbird_notification_status {
135 BLACKBIRD_NOTIFICATION_OFF,
136 BLACKBIRD_NOTIFICATION_ON,
137};
138enum blackbird_notification_mailbox {
139 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
140};
b45009b0
MCC		 141enum blackbird_field1_lines {
142 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
143 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
144 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
145};
146enum blackbird_field2_lines {
147 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
148 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
149 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
150};
b45009b0
MCC		 151enum blackbird_custom_data_type {
152 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
153 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
154};
b45009b0
MCC		 155enum blackbird_mute {
156 BLACKBIRD_UNMUTE,
157 BLACKBIRD_MUTE,
158};
159enum blackbird_mute_video_mask {
160 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
161 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
162 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
163};
164enum blackbird_mute_video_shift {
165 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
166 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
167 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
168};
1da177e4
LT		 169
170/* Registers */
171#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
172#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
173#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
174#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
175#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
176#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
177
178/* ------------------------------------------------------------------ */
179
180static void host_setup(struct cx88_core *core)
181{
182 /* toggle reset of the host */
183 cx_write(MO_GPHST_SOFT_RST, 1);
184 udelay(100);
185 cx_write(MO_GPHST_SOFT_RST, 0);
186 udelay(100);
187
188 /* host port setup */
189 cx_write(MO_GPHST_WSC, 0x44444444U);
190 cx_write(MO_GPHST_XFR, 0);
191 cx_write(MO_GPHST_WDTH, 15);
192 cx_write(MO_GPHST_HDSHK, 0);
193 cx_write(MO_GPHST_MUX16, 0x44448888U);
194 cx_write(MO_GPHST_MODE, 0);
195}
196
197/* ------------------------------------------------------------------ */
198
199#define P1_MDATA0 0x390000
200#define P1_MDATA1 0x390001
201#define P1_MDATA2 0x390002
202#define P1_MDATA3 0x390003
203#define P1_MADDR2 0x390004
204#define P1_MADDR1 0x390005
205#define P1_MADDR0 0x390006
206#define P1_RDATA0 0x390008
207#define P1_RDATA1 0x390009
208#define P1_RDATA2 0x39000A
209#define P1_RDATA3 0x39000B
210#define P1_RADDR0 0x39000C
211#define P1_RADDR1 0x39000D
212#define P1_RRDWR 0x39000E
213
214static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
215{
216 unsigned long timeout = jiffies + msecs_to_jiffies(1);
217 u32 gpio0,need;
218
219 need = state ? 2 : 0;
220 for (;;) {
221 gpio0 = cx_read(MO_GP0_IO) & 2;
222 if (need == gpio0)
223 return 0;
224 if (time_after(jiffies,timeout))
225 return -1;
226 udelay(1);
227 }
228}
229
230static int memory_write(struct cx88_core *core, u32 address, u32 value)
231{
232 /* Warning: address is dword address (4 bytes) */
233 cx_writeb(P1_MDATA0, (unsigned int)value);
234 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
235 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
236 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
237 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
238 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
239 cx_writeb(P1_MADDR0, (unsigned int)address);
240 cx_read(P1_MDATA0);
241 cx_read(P1_MADDR0);
242
243 return wait_ready_gpio0_bit1(core,1);
244}
245
246static int memory_read(struct cx88_core *core, u32 address, u32 *value)
247{
4ac97914 248 int retval;
1da177e4
LT		 249 u32 val;
250
251 /* Warning: address is dword address (4 bytes) */
252 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
253 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
254 cx_writeb(P1_MADDR0, (unsigned int)address);
255 cx_read(P1_MADDR0);
256
257 retval = wait_ready_gpio0_bit1(core,1);
258
259 cx_writeb(P1_MDATA3, 0);
260 val = (unsigned char)cx_read(P1_MDATA3) << 24;
261 cx_writeb(P1_MDATA2, 0);
262 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
263 cx_writeb(P1_MDATA1, 0);
264 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
265 cx_writeb(P1_MDATA0, 0);
266 val |= (unsigned char)cx_read(P1_MDATA0);
267
268 *value = val;
269 return retval;
270}
271
272static int register_write(struct cx88_core *core, u32 address, u32 value)
273{
274 cx_writeb(P1_RDATA0, (unsigned int)value);
275 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
276 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
277 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
278 cx_writeb(P1_RADDR0, (unsigned int)address);
279 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
280 cx_writeb(P1_RRDWR, 1);
281 cx_read(P1_RDATA0);
282 cx_read(P1_RADDR0);
283
284 return wait_ready_gpio0_bit1(core,1);
285}
286
287
288static int register_read(struct cx88_core *core, u32 address, u32 *value)
289{
290 int retval;
291 u32 val;
292
293 cx_writeb(P1_RADDR0, (unsigned int)address);
294 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
295 cx_writeb(P1_RRDWR, 0);
296 cx_read(P1_RADDR0);
297
298 retval = wait_ready_gpio0_bit1(core,1);
299 val = (unsigned char)cx_read(P1_RDATA0);
300 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
301 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
302 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
303
304 *value = val;
305 return retval;
306}
307
308/* ------------------------------------------------------------------ */
309
ea48c13a 310static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
1da177e4 311{
f022156b 312 struct cx8802_dev *dev = priv;
1da177e4
LT		 313 unsigned long timeout;
314 u32 value, flag, retval;
315 int i;
1da177e4
LT		 316
317 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
318
319 /* this may not be 100% safe if we can't read any memory location
320 without side effects */
321 memory_read(dev->core, dev->mailbox - 4, &value);
322 if (value != 0x12345678) {
323 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
324 return -1;
325 }
326
327 memory_read(dev->core, dev->mailbox, &flag);
328 if (flag) {
329 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
330 return -1;
331 }
332
333 flag |= 1; /* tell 'em we're working on it */
334 memory_write(dev->core, dev->mailbox, flag);
335
336 /* write command + args + fill remaining with zeros */
337 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
338 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
f022156b
HV		 339 for (i = 0; i < in; i++) {
340 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
341 dprintk(1, "API Input %d = %d\n", i, data[i]);
1da177e4 342 }
f022156b 343 for (; i < CX2341X_MBOX_MAX_DATA; i++)
1da177e4
LT		 344 memory_write(dev->core, dev->mailbox + 4 + i, 0);
345
346 flag |= 3; /* tell 'em we're done writing */
347 memory_write(dev->core, dev->mailbox, flag);
348
349 /* wait for firmware to handle the API command */
350 timeout = jiffies + msecs_to_jiffies(10);
351 for (;;) {
352 memory_read(dev->core, dev->mailbox, &flag);
353 if (0 != (flag & 4))
354 break;
355 if (time_after(jiffies,timeout)) {
356 dprintk(0, "ERROR: API Mailbox timeout\n");
357 return -1;
358 }
359 udelay(10);
360 }
361
362 /* read output values */
f022156b
HV		 363 for (i = 0; i < out; i++) {
364 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
365 dprintk(1, "API Output %d = %d\n", i, data[i]);
1da177e4 366 }
1da177e4
LT		 367
368 memory_read(dev->core, dev->mailbox + 2, &retval);
369 dprintk(1, "API result = %d\n",retval);
370
371 flag = 0;
372 memory_write(dev->core, dev->mailbox, flag);
373 return retval;
374}
f022156b 375/* ------------------------------------------------------------------ */
1da177e4 376
f022156b
HV		 377/* We don't need to call the API often, so using just one mailbox will probably suffice */
378static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
379 u32 inputcnt, u32 outputcnt, ...)
380{
381 u32 data[CX2341X_MBOX_MAX_DATA];
382 va_list vargs;
383 int i, err;
384
385 va_start(vargs, outputcnt);
386
387 for (i = 0; i < inputcnt; i++) {
388 data[i] = va_arg(vargs, int);
389 }
390 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
391 for (i = 0; i < outputcnt; i++) {
392 int *vptr = va_arg(vargs, int *);
393 *vptr = data[i];
394 }
395 va_end(vargs);
396 return err;
397}
1da177e4
LT		 398
399static int blackbird_find_mailbox(struct cx8802_dev *dev)
400{
401 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
402 int signaturecnt=0;
403 u32 value;
404 int i;
405
e0099e9e 406 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
1da177e4
LT		 407 memory_read(dev->core, i, &value);
408 if (value == signature[signaturecnt])
409 signaturecnt++;
410 else
411 signaturecnt = 0;
412 if (4 == signaturecnt) {
413 dprintk(1, "Mailbox signature found\n");
414 return i+1;
415 }
416 }
417 dprintk(0, "Mailbox signature values not found!\n");
418 return -1;
419}
420
421static int blackbird_load_firmware(struct cx8802_dev *dev)
422{
423 static const unsigned char magic[8] = {
424 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
425 };
426 const struct firmware *firmware;
427 int i, retval = 0;
428 u32 value = 0;
429 u32 checksum = 0;
430 u32 *dataptr;
431
432 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
4ac97914
MCC		 433 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
434 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
435 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
1da177e4 436 msleep(1);
4ac97914 437 retval |= register_write(dev->core, IVTV_REG_APU, 0);
1da177e4
LT		 438
439 if (retval < 0)
440 dprintk(0, "Error with register_write\n");
441
48c35756 442 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
1da177e4 443 &dev->pci->dev);
674434c6
MCC		 444
445
1da177e4
LT		 446 if (retval != 0) {
447 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
48c35756 448 CX2341X_FIRM_ENC_FILENAME);
1da177e4
LT		 449 dprintk(0, "Please fix your hotplug setup, the board will "
450 "not work without firmware loaded!\n");
451 return -1;
452 }
453
25472237
HV		 454 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
455 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
456 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
73ca66b9 457 release_firmware(firmware);
1da177e4
LT		 458 return -1;
459 }
460
461 if (0 != memcmp(firmware->data, magic, 8)) {
462 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
73ca66b9 463 release_firmware(firmware);
1da177e4
LT		 464 return -1;
465 }
466
467 /* transfer to the chip */
468 dprintk(1,"Loading firmware ...\n");
469 dataptr = (u32*)firmware->data;
470 for (i = 0; i < (firmware->size >> 2); i++) {
471 value = *dataptr;
472 checksum += ~value;
473 memory_write(dev->core, i, value);
474 dataptr++;
475 }
476
477 /* read back to verify with the checksum */
478 for (i--; i >= 0; i--) {
479 memory_read(dev->core, i, &value);
480 checksum -= ~value;
481 }
482 if (checksum) {
483 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
73ca66b9 484 release_firmware(firmware);
1da177e4
LT		 485 return -1;
486 }
487 release_firmware(firmware);
488 dprintk(0, "Firmware upload successful.\n");
489
4ac97914
MCC		 490 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
491 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
492 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
1da177e4
LT		 493 msleep(1);
494
495 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
4ac97914 496 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
1da177e4
LT		 497
498 if (retval < 0)
499 dprintk(0, "Error with register_write\n");
500 return 0;
501}
502
b45009b0
MCC		 503/**
504 Settings used by the windows tv app for PVR2000:
505=================================================================================================================
506Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
507-----------------------------------------------------------------------------------------------------------------
508MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
509MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513=================================================================================================================
514*DB: "DirectBurn"
515*/
31629424 516
f022156b
HV		 517static void blackbird_codec_settings(struct cx8802_dev *dev)
518{
519 /* assign frame size */
520 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
521 dev->height, dev->width);
522
523 dev->params.width = dev->width;
524 dev->params.height = dev->height;
ed10b06d 525 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
f022156b
HV		 526
527 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
528}
529
1da177e4
LT		 530static int blackbird_initialize_codec(struct cx8802_dev *dev)
531{
532 struct cx88_core *core = dev->core;
533 int version;
534 int retval;
535
536 dprintk(1,"Initialize codec\n");
855dbada 537 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4 538 if (retval < 0) {
f9e54e0c
JF		 539
540 dev->mpeg_active = 0;
541
1da177e4
LT		 542 /* ping was not successful, reset and upload firmware */
543 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
1da177e4 544 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
1da177e4
LT		 545 retval = blackbird_load_firmware(dev);
546 if (retval < 0)
547 return retval;
548
549 dev->mailbox = blackbird_find_mailbox(dev);
550 if (dev->mailbox < 0)
551 return -1;
552
855dbada 553 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4
LT		 554 if (retval < 0) {
555 dprintk(0, "ERROR: Firmware ping failed!\n");
556 return -1;
557 }
558
855dbada 559 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
1da177e4
LT		 560 if (retval < 0) {
561 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
562 return -1;
563 }
564 dprintk(0, "Firmware version is 0x%08x\n", version);
565 }
1da177e4
LT		 566
567 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
568 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
569 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
570 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
571
1da177e4 572 blackbird_codec_settings(dev);
1da177e4 573
855dbada 574 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
b45009b0 575 BLACKBIRD_FIELD1_SAA7115,
8a17ef97 576 BLACKBIRD_FIELD2_SAA7115
b45009b0
MCC		 577 );
578
855dbada 579 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
b45009b0
MCC		 580 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
581 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
1da177e4 582
f9e54e0c
JF		 583 return 0;
584}
585
586static int blackbird_start_codec(struct file *file, void *priv)
587{
588 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
589 struct cx88_core *core = dev->core;
590 /* start capturing to the host interface */
591 u32 reg;
592
593 int i;
594 int lastchange = -1;
595 int lastval = 0;
596
d8f69971 597 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
f9e54e0c
JF		 598 reg = cx_read(AUD_STATUS);
599
d8f69971
MCC		 600 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
601 if ((reg & 0x0F) != lastval) {
f9e54e0c
JF		 602 lastval = reg & 0x0F;
603 lastchange = i;
604 }
605 msleep(100);
606 }
607
608 /* unmute audio source */
609 cx_clear(AUD_VOL_CTL, (1 << 6));
1da177e4 610
d8f69971 611 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
f9e54e0c
JF		 612
613 /* initialize the video input */
614 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
615
e52e98a7 616 /* start capturing to the host interface */
855dbada 617 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
b45009b0
MCC		 618 BLACKBIRD_MPEG_CAPTURE,
619 BLACKBIRD_RAW_BITS_NONE
e52e98a7 620 );
1da177e4 621
f9e54e0c
JF		 622 dev->mpeg_active = 1;
623 return 0;
624}
625
626static int blackbird_stop_codec(struct cx8802_dev *dev)
627{
f9e54e0c
JF		 628 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
629 BLACKBIRD_END_NOW,
630 BLACKBIRD_MPEG_CAPTURE,
631 BLACKBIRD_RAW_BITS_NONE
632 );
f9e54e0c
JF		 633
634 dev->mpeg_active = 0;
1da177e4
LT		 635 return 0;
636}
637
638/* ------------------------------------------------------------------ */
639
640static int bb_buf_setup(struct videobuf_queue *q,
641 unsigned int *count, unsigned int *size)
642{
643 struct cx8802_fh *fh = q->priv_data;
644
e52e98a7 645 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
31629424 646 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
1da177e4
LT		 647
648 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
31629424 649 *count = fh->dev->ts_packet_count;
1da177e4
LT		 650 return 0;
651}
652
653static int
654bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
655 enum v4l2_field field)
656{
657 struct cx8802_fh *fh = q->priv_data;
c7b0ac05 658 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
1da177e4
LT		 659}
660
661static void
662bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
663{
664 struct cx8802_fh *fh = q->priv_data;
665 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
666}
667
668static void
669bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
670{
c7b0ac05 671 cx88_free_buffer(q, (struct cx88_buffer*)vb);
1da177e4
LT		 672}
673
674static struct videobuf_queue_ops blackbird_qops = {
675 .buf_setup = bb_buf_setup,
676 .buf_prepare = bb_buf_prepare,
677 .buf_queue = bb_buf_queue,
678 .buf_release = bb_buf_release,
679};
680
681/* ------------------------------------------------------------------ */
682
38a2713a
MK		 683static const u32 *ctrl_classes[] = {
684 cx88_user_ctrls,
685 cx2341x_mpeg_ctrls,
686 NULL
687};
688
689static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
690{
691 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
692 if (qctrl->id == 0)
693 return -EINVAL;
694
695 /* Standard V4L2 controls */
696 if (cx8800_ctrl_query(qctrl) == 0)
697 return 0;
698
699 /* MPEG V4L2 controls */
700 if (cx2341x_ctrl_query(&dev->params, qctrl))
701 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
702 return 0;
703}
704
b3c4ee70
MCC		 705/* ------------------------------------------------------------------ */
706/* IOCTL Handlers */
707
708static int vidioc_querymenu (struct file *file, void *priv,
709 struct v4l2_querymenu *qmenu)
38a2713a 710{
b3c4ee70 711 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
38a2713a
MK		 712 struct v4l2_queryctrl qctrl;
713
714 qctrl.id = qmenu->id;
715 blackbird_queryctrl(dev, &qctrl);
716 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
717}
718
b3c4ee70
MCC		 719static int vidioc_querycap (struct file *file, void *priv,
720 struct v4l2_capability *cap)
1da177e4 721{
b3c4ee70 722 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
e52e98a7 723 struct cx88_core *core = dev->core;
1da177e4 724
b3c4ee70 725 strcpy(cap->driver, "cx88_blackbird");
6a59d64c 726 strlcpy(cap->card, core->board.name, sizeof(cap->card));
b3c4ee70
MCC		 727 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
728 cap->version = CX88_VERSION_CODE;
729 cap->capabilities =
730 V4L2_CAP_VIDEO_CAPTURE |
731 V4L2_CAP_READWRITE |
732 V4L2_CAP_STREAMING;
6a59d64c 733 if (UNSET != core->board.tuner_type)
b3c4ee70
MCC		 734 cap->capabilities |= V4L2_CAP_TUNER;
735 return 0;
736}
737
738static int vidioc_enum_fmt_cap (struct file *file, void *priv,
739 struct v4l2_fmtdesc *f)
740{
741 if (f->index != 0)
742 return -EINVAL;
1da177e4 743
b3c4ee70
MCC		 744 strlcpy(f->description, "MPEG", sizeof(f->description));
745 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
746 f->pixelformat = V4L2_PIX_FMT_MPEG;
747 return 0;
748}
1da177e4 749
b3c4ee70
MCC		 750static int vidioc_g_fmt_cap (struct file *file, void *priv,
751 struct v4l2_format *f)
752{
753 struct cx8802_fh *fh = priv;
754 struct cx8802_dev *dev = fh->dev;
755
756 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
757 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
758 f->fmt.pix.bytesperline = 0;
759 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
760 f->fmt.pix.colorspace = 0;
761 f->fmt.pix.width = dev->width;
762 f->fmt.pix.height = dev->height;
763 f->fmt.pix.field = fh->mpegq.field;
764 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
765 dev->width, dev->height, fh->mpegq.field );
766 return 0;
767}
e52e98a7 768
b3c4ee70
MCC		 769static int vidioc_try_fmt_cap (struct file *file, void *priv,
770 struct v4l2_format *f)
771{
772 struct cx8802_fh *fh = priv;
773 struct cx8802_dev *dev = fh->dev;
774
775 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
776 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
777 f->fmt.pix.bytesperline = 0;
778 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
779 f->fmt.pix.colorspace = 0;
780 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
781 dev->width, dev->height, fh->mpegq.field );
782 return 0;
783}
e52e98a7 784
b3c4ee70
MCC		 785static int vidioc_s_fmt_cap (struct file *file, void *priv,
786 struct v4l2_format *f)
787{
788 struct cx8802_fh *fh = priv;
789 struct cx8802_dev *dev = fh->dev;
790 struct cx88_core *core = dev->core;
e52e98a7 791
b3c4ee70
MCC		 792 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
793 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
794 f->fmt.pix.bytesperline = 0;
795 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
796 f->fmt.pix.colorspace = 0;
797 dev->width = f->fmt.pix.width;
798 dev->height = f->fmt.pix.height;
799 fh->mpegq.field = f->fmt.pix.field;
800 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
801 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
802 f->fmt.pix.height, f->fmt.pix.width);
803 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
804 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
805 return 0;
806}
1da177e4 807
b3c4ee70
MCC		 808static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
809{
810 struct cx8802_fh *fh = priv;
811 return (videobuf_reqbufs(&fh->mpegq, p));
812}
1da177e4 813
b3c4ee70
MCC		 814static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
815{
816 struct cx8802_fh *fh = priv;
817 return (videobuf_querybuf(&fh->mpegq, p));
818}
1da177e4 819
b3c4ee70
MCC		 820static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
821{
822 struct cx8802_fh *fh = priv;
823 return (videobuf_qbuf(&fh->mpegq, p));
824}
1da177e4 825
b3c4ee70
MCC		 826static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
827{
828 struct cx8802_fh *fh = priv;
829 return (videobuf_dqbuf(&fh->mpegq, p,
830 file->f_flags & O_NONBLOCK));
831}
1da177e4 832
b3c4ee70
MCC		 833static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
834{
835 struct cx8802_fh *fh = priv;
836 return videobuf_streamon(&fh->mpegq);
837}
1da177e4 838
b3c4ee70
MCC		 839static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
840{
841 struct cx8802_fh *fh = priv;
842 return videobuf_streamoff(&fh->mpegq);
843}
1da177e4 844
b3c4ee70
MCC		 845static int vidioc_g_ext_ctrls (struct file *file, void *priv,
846 struct v4l2_ext_controls *f)
847{
848 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
1571720c 849
b3c4ee70
MCC		 850 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
851 return -EINVAL;
01f1e44f 852 return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
b3c4ee70 853}
2544bf2d 854
b3c4ee70
MCC		 855static int vidioc_s_ext_ctrls (struct file *file, void *priv,
856 struct v4l2_ext_controls *f)
857{
858 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
859 struct cx2341x_mpeg_params p;
860 int err;
2544bf2d 861
b3c4ee70
MCC		 862 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
863 return -EINVAL;
f9e54e0c
JF		 864
865 if (dev->mpeg_active)
866 blackbird_stop_codec(dev);
867
b3c4ee70 868 p = dev->params;
01f1e44f 869 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
b3c4ee70
MCC		 870 if (!err) {
871 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
872 dev->params = p;
99eb44fe 873 }
b3c4ee70
MCC		 874 return err;
875}
38a2713a 876
b3c4ee70
MCC		 877static int vidioc_try_ext_ctrls (struct file *file, void *priv,
878 struct v4l2_ext_controls *f)
879{
880 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
881 struct cx2341x_mpeg_params p;
882 int err;
1571720c 883
b3c4ee70
MCC		 884 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
885 return -EINVAL;
886 p = dev->params;
01f1e44f 887 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1571720c 888
b3c4ee70
MCC		 889 return err;
890}
31629424 891
b3c4ee70
MCC		 892static int vidioc_s_frequency (struct file *file, void *priv,
893 struct v4l2_frequency *f)
894{
895 struct cx8802_fh *fh = priv;
896 struct cx8802_dev *dev = fh->dev;
897 struct cx88_core *core = dev->core;
23154f2f 898
f9e54e0c
JF		 899 if (dev->mpeg_active)
900 blackbird_stop_codec(dev);
901
b3c4ee70
MCC		 902 cx88_set_freq (core,f);
903 blackbird_initialize_codec(dev);
904 cx88_set_scale(dev->core, dev->width, dev->height,
905 fh->mpegq.field);
906 return 0;
907}
23154f2f 908
b3c4ee70
MCC		 909static int vidioc_log_status (struct file *file, void *priv)
910{
911 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
912 struct cx88_core *core = dev->core;
913 char name[32 + 2];
914
915 snprintf(name, sizeof(name), "%s/2", core->name);
916 printk("%s/2: ============ START LOG STATUS ============\n",
917 core->name);
918 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
919 cx2341x_log_status(&dev->params, name);
920 printk("%s/2: ============= END LOG STATUS =============\n",
921 core->name);
922 return 0;
923}
23154f2f 924
b3c4ee70
MCC		 925static int vidioc_queryctrl (struct file *file, void *priv,
926 struct v4l2_queryctrl *qctrl)
927{
928 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
23154f2f 929
b3c4ee70
MCC		 930 if (blackbird_queryctrl(dev, qctrl) == 0)
931 return 0;
23154f2f 932
b3c4ee70
MCC		 933 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
934 if (unlikely(qctrl->id == 0))
935 return -EINVAL;
936 return cx8800_ctrl_query(qctrl);
937}
23154f2f 938
b3c4ee70
MCC		 939static int vidioc_enum_input (struct file *file, void *priv,
940 struct v4l2_input *i)
941{
942 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
943 return cx88_enum_input (core,i);
944}
ed10b06d 945
b3c4ee70
MCC		 946static int vidioc_g_ctrl (struct file *file, void *priv,
947 struct v4l2_control *ctl)
948{
949 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
950 return
951 cx88_get_control(core,ctl);
952}
ed10b06d 953
b3c4ee70
MCC		 954static int vidioc_s_ctrl (struct file *file, void *priv,
955 struct v4l2_control *ctl)
956{
957 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
958 return
959 cx88_set_control(core,ctl);
960}
ed10b06d 961
b3c4ee70
MCC		 962static int vidioc_g_frequency (struct file *file, void *priv,
963 struct v4l2_frequency *f)
964{
965 struct cx8802_fh *fh = priv;
966 struct cx88_core *core = fh->dev->core;
ed10b06d 967
6a59d64c 968 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 969 return -EINVAL;
ed10b06d 970
b3c4ee70
MCC		 971 f->type = V4L2_TUNER_ANALOG_TV;
972 f->frequency = core->freq;
973 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
ed10b06d 974
b3c4ee70
MCC		 975 return 0;
976}
ed10b06d 977
b3c4ee70
MCC		 978static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
979{
980 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
23154f2f 981
b3c4ee70
MCC		 982 *i = core->input;
983 return 0;
984}
ed10b06d 985
b3c4ee70
MCC		 986static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
987{
988 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
ed10b06d 989
b3c4ee70
MCC		 990 if (i >= 4)
991 return -EINVAL;
992
993 mutex_lock(&core->lock);
994 cx88_newstation(core);
995 cx88_video_mux(core,i);
996 mutex_unlock(&core->lock);
ed10b06d
MCC		 997 return 0;
998}
999
b3c4ee70
MCC		 1000static int vidioc_g_tuner (struct file *file, void *priv,
1001 struct v4l2_tuner *t)
1002{
1003 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1004 u32 reg;
1005
6a59d64c 1006 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 1007 return -EINVAL;
f057131f
JF		 1008 if (0 != t->index)
1009 return -EINVAL;
b3c4ee70
MCC		 1010
1011 strcpy(t->name, "Television");
1012 t->type = V4L2_TUNER_ANALOG_TV;
1013 t->capability = V4L2_TUNER_CAP_NORM;
1014 t->rangehigh = 0xffffffffUL;
1015
1016 cx88_get_stereo(core ,t);
1017 reg = cx_read(MO_DEVICE_STATUS);
1018 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1019 return 0;
1020}
6c5be74c 1021
b3c4ee70
MCC		 1022static int vidioc_s_tuner (struct file *file, void *priv,
1023 struct v4l2_tuner *t)
e52e98a7 1024{
b3c4ee70
MCC		 1025 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1026
6a59d64c 1027 if (UNSET == core->board.tuner_type)
b3c4ee70
MCC		 1028 return -EINVAL;
1029 if (0 != t->index)
1030 return -EINVAL;
1031
1032 cx88_set_stereo(core, t->audmode, 1);
1033 return 0;
e52e98a7
MCC		 1034}
1035
b3c4ee70 1036static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1da177e4 1037{
b3c4ee70
MCC		 1038 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1039
1040 mutex_lock(&core->lock);
1041 cx88_set_tvnorm(core,*id);
1042 mutex_unlock(&core->lock);
1043 return 0;
1da177e4
LT		 1044}
1045
b3c4ee70
MCC		 1046/* FIXME: cx88_ioctl_hook not implemented */
1047
1da177e4
LT		 1048static int mpeg_open(struct inode *inode, struct file *file)
1049{
1050 int minor = iminor(inode);
6c5be74c 1051 struct cx8802_dev *dev = NULL;
1da177e4 1052 struct cx8802_fh *fh;
6c5be74c
ST		 1053 struct cx8802_driver *drv = NULL;
1054 int err;
1da177e4 1055
b930e1d8 1056 dev = cx8802_get_device(inode);
49c6b46a 1057
6c5be74c
ST		 1058 dprintk( 1, "%s\n", __FUNCTION__);
1059
6c5be74c 1060 if (dev == NULL)
1da177e4
LT		 1061 return -ENODEV;
1062
6c5be74c
ST		 1063 /* Make sure we can acquire the hardware */
1064 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1065 if (drv) {
1066 err = drv->request_acquire(drv);
1067 if(err != 0) {
1068 dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
1069 return err;
1070 }
1071 }
1072
1073 if (blackbird_initialize_codec(dev) < 0) {
1074 if (drv)
1075 drv->request_release(drv);
1da177e4 1076 return -EINVAL;
6c5be74c 1077 }
1da177e4
LT		 1078 dprintk(1,"open minor=%d\n",minor);
1079
1080 /* allocate + initialize per filehandle data */
7408187d 1081 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
6c5be74c
ST		 1082 if (NULL == fh) {
1083 if (drv)
1084 drv->request_release(drv);
1da177e4 1085 return -ENOMEM;
6c5be74c 1086 }
1da177e4
LT		 1087 file->private_data = fh;
1088 fh->dev = dev;
1089
c1accaa2 1090 videobuf_queue_pci_init(&fh->mpegq, &blackbird_qops,
1da177e4
LT		 1091 dev->pci, &dev->slock,
1092 V4L2_BUF_TYPE_VIDEO_CAPTURE,
31629424 1093 V4L2_FIELD_INTERLACED,
1da177e4
LT		 1094 sizeof(struct cx88_buffer),
1095 fh);
31629424
CC		 1096
1097 /* FIXME: locking against other video device */
1098 cx88_set_scale(dev->core, dev->width, dev->height,
1099 fh->mpegq.field);
1100
1da177e4
LT		 1101 return 0;
1102}
1103
1104static int mpeg_release(struct inode *inode, struct file *file)
1105{
1106 struct cx8802_fh *fh = file->private_data;
f9e54e0c 1107 struct cx8802_dev *dev = fh->dev;
6c5be74c 1108 struct cx8802_driver *drv = NULL;
1da177e4 1109
f9e54e0c
JF		 1110 if (dev->mpeg_active)
1111 blackbird_stop_codec(dev);
1da177e4 1112
0b5f56d6 1113 cx8802_cancel_buffers(fh->dev);
1da177e4 1114 /* stop mpeg capture */
053fcb60 1115 videobuf_stop(&fh->mpegq);
1da177e4
LT		 1116
1117 videobuf_mmap_free(&fh->mpegq);
1118 file->private_data = NULL;
1119 kfree(fh);
6c5be74c
ST		 1120
1121 /* Make sure we release the hardware */
1122 dev = cx8802_get_device(inode);
1123 if (dev == NULL)
1124 return -ENODEV;
1125
1126 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1127 if (drv)
1128 drv->request_release(drv);
1129
1da177e4
LT		 1130 return 0;
1131}
1132
1133static ssize_t
1134mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1135{
1136 struct cx8802_fh *fh = file->private_data;
f9e54e0c
JF		 1137 struct cx8802_dev *dev = fh->dev;
1138
1139 if (!dev->mpeg_active)
1140 blackbird_start_codec(file, fh);
1da177e4
LT		 1141
1142 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1143 file->f_flags & O_NONBLOCK);
1144}
1145
1146static unsigned int
1147mpeg_poll(struct file *file, struct poll_table_struct *wait)
1148{
1149 struct cx8802_fh *fh = file->private_data;
1150
1151 return videobuf_poll_stream(file, &fh->mpegq, wait);
1152}
1153
1154static int
1155mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1156{
1157 struct cx8802_fh *fh = file->private_data;
1158
1159 return videobuf_mmap_mapper(&fh->mpegq, vma);
1160}
1161
fa027c2a 1162static const struct file_operations mpeg_fops =
1da177e4
LT		 1163{
1164 .owner = THIS_MODULE,
1165 .open = mpeg_open,
1166 .release = mpeg_release,
1167 .read = mpeg_read,
1168 .poll = mpeg_poll,
1169 .mmap = mpeg_mmap,
b3c4ee70 1170 .ioctl = video_ioctl2,
1da177e4
LT		 1171 .llseek = no_llseek,
1172};
1173
1174static struct video_device cx8802_mpeg_template =
1175{
b3c4ee70
MCC		 1176 .name = "cx8802",
1177 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1178 .fops = &mpeg_fops,
1179 .minor = -1,
1180 .vidioc_querymenu = vidioc_querymenu,
1181 .vidioc_querycap = vidioc_querycap,
1182 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1183 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1184 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1185 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1186 .vidioc_reqbufs = vidioc_reqbufs,
1187 .vidioc_querybuf = vidioc_querybuf,
1188 .vidioc_qbuf = vidioc_qbuf,
1189 .vidioc_dqbuf = vidioc_dqbuf,
1190 .vidioc_streamon = vidioc_streamon,
1191 .vidioc_streamoff = vidioc_streamoff,
b3c4ee70
MCC		 1192 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1193 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1194 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1195 .vidioc_s_frequency = vidioc_s_frequency,
1196 .vidioc_log_status = vidioc_log_status,
1197 .vidioc_queryctrl = vidioc_queryctrl,
1198 .vidioc_enum_input = vidioc_enum_input,
1199 .vidioc_g_ctrl = vidioc_g_ctrl,
1200 .vidioc_s_ctrl = vidioc_s_ctrl,
1201 .vidioc_g_frequency = vidioc_g_frequency,
1202 .vidioc_g_input = vidioc_g_input,
1203 .vidioc_s_input = vidioc_s_input,
1204 .vidioc_g_tuner = vidioc_g_tuner,
1205 .vidioc_s_tuner = vidioc_s_tuner,
1206 .vidioc_s_std = vidioc_s_std,
1207 .tvnorms = CX88_NORMS,
b930e1d8 1208 .current_norm = V4L2_STD_NTSC_M,
1da177e4
LT		 1209};
1210
1211/* ------------------------------------------------------------------ */
1212
6c5be74c
ST		 1213/* The CX8802 MPEG API will call this when we can use the hardware */
1214static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1215{
1216 struct cx88_core *core = drv->core;
1217 int err = 0;
1218
6a59d64c 1219 switch (core->boardnr) {
6c5be74c
ST		 1220 case CX88_BOARD_HAUPPAUGE_HVR1300:
1221 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1222 * We left the hardware on power up with the cx22702 active.
1223 * We're being given access to re-arrange the GPIOs.
1224 * Take the bus off the cx22702 and put the cx23416 on it.
1225 */
1226 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1227 cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
1228 break;
1229 default:
1230 err = -ENODEV;
1231 }
1232 return err;
1233}
1234
1235/* The CX8802 MPEG API will call this when we need to release the hardware */
1236static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1237{
1238 struct cx88_core *core = drv->core;
1239 int err = 0;
1240
6a59d64c 1241 switch (core->boardnr) {
6c5be74c
ST		 1242 case CX88_BOARD_HAUPPAUGE_HVR1300:
1243 /* Exit leaving the cx23416 on the bus */
1244 break;
1245 default:
1246 err = -ENODEV;
1247 }
1248 return err;
1249}
1250
1da177e4
LT		 1251static void blackbird_unregister_video(struct cx8802_dev *dev)
1252{
1253 if (dev->mpeg_dev) {
1254 if (-1 != dev->mpeg_dev->minor)
1255 video_unregister_device(dev->mpeg_dev);
1256 else
1257 video_device_release(dev->mpeg_dev);
1258 dev->mpeg_dev = NULL;
1259 }
1260}
1261
1262static int blackbird_register_video(struct cx8802_dev *dev)
1263{
1264 int err;
1265
1266 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1267 &cx8802_mpeg_template,"mpeg");
1268 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1269 if (err < 0) {
1270 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1271 dev->core->name);
1272 return err;
1273 }
1274 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1275 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1276 return 0;
1277}
1278
1279/* ----------------------------------------------------------- */
1280
6c5be74c 1281static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1da177e4 1282{
6c5be74c
ST		 1283 struct cx88_core *core = drv->core;
1284 struct cx8802_dev *dev = core->dvbdev;
1da177e4
LT		 1285 int err;
1286
6c5be74c
ST		 1287 dprintk( 1, "%s\n", __FUNCTION__);
1288 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
6a59d64c 1289 core->boardnr,
6c5be74c
ST		 1290 core->name,
1291 core->pci_bus,
1292 core->pci_slot);
1da177e4
LT		 1293
1294 err = -ENODEV;
6a59d64c 1295 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1da177e4
LT		 1296 goto fail_core;
1297
1da177e4 1298 dev->width = 720;
e52e98a7 1299 dev->height = 576;
f022156b 1300 cx2341x_fill_defaults(&dev->params);
45ad9f8b 1301 dev->params.port = CX2341X_PORT_STREAMING;
1da177e4 1302
b3c4ee70
MCC		 1303 cx8802_mpeg_template.current_norm = core->tvnorm;
1304
ed10b06d 1305 if (core->tvnorm & V4L2_STD_525_60) {
45f87a21
MK		 1306 dev->height = 480;
1307 } else {
1308 dev->height = 576;
0345c387
ST		 1309 }
1310
1da177e4
LT		 1311 /* blackbird stuff */
1312 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1313 core->name);
1314 host_setup(dev->core);
1315
f9e54e0c 1316 blackbird_initialize_codec(dev);
1da177e4 1317 blackbird_register_video(dev);
e52e98a7
MCC		 1318
1319 /* initial device configuration: needed ? */
b3c4ee70
MCC		 1320 mutex_lock(&dev->core->lock);
1321// init_controls(core);
1322 cx88_set_tvnorm(core,core->tvnorm);
1323 cx88_video_mux(core,0);
1324 mutex_unlock(&dev->core->lock);
e52e98a7 1325
1da177e4
LT		 1326 return 0;
1327
1da177e4 1328 fail_core:
1da177e4
LT		 1329 return err;
1330}
1331
6c5be74c 1332static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1da177e4 1333{
1da177e4 1334 /* blackbird */
6c5be74c 1335 blackbird_unregister_video(drv->core->dvbdev);
1da177e4 1336
6c5be74c 1337 return 0;
1da177e4
LT		 1338}
1339
6c5be74c
ST		 1340static struct cx8802_driver cx8802_blackbird_driver = {
1341 .type_id = CX88_MPEG_BLACKBIRD,
1342 .hw_access = CX8802_DRVCTL_SHARED,
1343 .probe = cx8802_blackbird_probe,
1344 .remove = cx8802_blackbird_remove,
1345 .advise_acquire = cx8802_blackbird_advise_acquire,
1346 .advise_release = cx8802_blackbird_advise_release,
1da177e4
LT		 1347};
1348
1349static int blackbird_init(void)
1350{
1351 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1352 (CX88_VERSION_CODE >> 16) & 0xff,
1353 (CX88_VERSION_CODE >> 8) & 0xff,
1354 CX88_VERSION_CODE & 0xff);
1355#ifdef SNAPSHOT
1356 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1357 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1358#endif
6c5be74c 1359 return cx8802_register_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1360}
1361
1362static void blackbird_fini(void)
1363{
6c5be74c 1364 cx8802_unregister_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1365}
1366
1367module_init(blackbird_init);
1368module_exit(blackbird_fini);
1369
b3c4ee70
MCC		 1370module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1371MODULE_PARM_DESC(debug,"enable debug messages [video]");
6c5be74c 1372
1da177e4
LT		 1373/* ----------------------------------------------------------- */
1374/*
1375 * Local variables:
1376 * c-basic-offset: 8
1377 * End:
b45009b0 1378 * 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 1379 */
Linux kernel - Deliverables
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