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[media] v4l2: add const to argument of write-only s_frequency ioctl
[linux-block.git] / drivers / media / pci / cx88 / cx88-blackbird.c
CommitLineData
1da177e4 1/*
1da177e4
LT		 2 *
3 * Support for a cx23416 mpeg encoder via cx2388x host port.
4 * "blackbird" reference design.
5 *
f8de18d4 6 * (c) 2004 Jelle Foks <jelle@foks.us>
1da177e4
LT		 7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8 *
b3c4ee70
MCC		 9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - video_ioctl2 conversion
11 *
631dd1a8 12 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
1da177e4
LT		 13 *
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 */
28
29#include <linux/module.h>
1da177e4 30#include <linux/init.h>
5a0e3ad6 31#include <linux/slab.h>
1da177e4
LT		 32#include <linux/fs.h>
33#include <linux/delay.h>
34#include <linux/device.h>
35#include <linux/firmware.h>
855dbada 36#include <media/v4l2-common.h>
35ea11ff 37#include <media/v4l2-ioctl.h>
1a3c60a0 38#include <media/v4l2-event.h>
855dbada 39#include <media/cx2341x.h>
1da177e4
LT		 40
41#include "cx88.h"
42
43MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
f8de18d4 44MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
1da177e4 45MODULE_LICENSE("GPL");
1990d50b 46MODULE_VERSION(CX88_VERSION);
1da177e4 47
31629424 48static unsigned int mpegbufs = 32;
1da177e4
LT		 49module_param(mpegbufs,int,0644);
50MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
51
ff699e6b 52static unsigned int debug;
1da177e4
LT		 53module_param(debug,int,0644);
54MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
55
db613710
MCC		 56#define dprintk(level, fmt, arg...) do { \
57 if (debug + 1 > level) \
58 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg); \
59} while(0)
1da177e4
LT		 60
61/* ------------------------------------------------------------------ */
62
25472237 63#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
1da177e4
LT		 64
65/* defines below are from ivtv-driver.h */
66
67#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
68
b45009b0 69/* Firmware API commands */
b45009b0
MCC		 70#define IVTV_API_STD_TIMEOUT 500
71
b45009b0
MCC		 72enum blackbird_capture_type {
73 BLACKBIRD_MPEG_CAPTURE,
74 BLACKBIRD_RAW_CAPTURE,
75 BLACKBIRD_RAW_PASSTHRU_CAPTURE
76};
77enum blackbird_capture_bits {
78 BLACKBIRD_RAW_BITS_NONE = 0x00,
79 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
80 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
81 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
82 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
83 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
84};
b45009b0
MCC		 85enum blackbird_capture_end {
86 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
87 BLACKBIRD_END_NOW, /* stop immediately, no irq */
88};
b45009b0
MCC		 89enum blackbird_framerate {
90 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
91 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
92};
b45009b0
MCC		 93enum blackbird_stream_port {
94 BLACKBIRD_OUTPUT_PORT_MEMORY,
95 BLACKBIRD_OUTPUT_PORT_STREAMING,
96 BLACKBIRD_OUTPUT_PORT_SERIAL
97};
b45009b0
MCC		 98enum blackbird_data_xfer_status {
99 BLACKBIRD_MORE_BUFFERS_FOLLOW,
100 BLACKBIRD_LAST_BUFFER,
101};
b45009b0
MCC		 102enum blackbird_picture_mask {
103 BLACKBIRD_PICTURE_MASK_NONE,
104 BLACKBIRD_PICTURE_MASK_I_FRAMES,
105 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
106 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
107};
b45009b0
MCC		 108enum blackbird_vbi_mode_bits {
109 BLACKBIRD_VBI_BITS_SLICED,
110 BLACKBIRD_VBI_BITS_RAW,
111};
112enum blackbird_vbi_insertion_bits {
113 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
114 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
115 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
116 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
117 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
118};
b45009b0
MCC		 119enum blackbird_dma_unit {
120 BLACKBIRD_DMA_BYTES,
121 BLACKBIRD_DMA_FRAMES,
122};
b45009b0
MCC		 123enum blackbird_dma_transfer_status_bits {
124 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
125 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
126 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
127};
b45009b0
MCC		 128enum blackbird_pause {
129 BLACKBIRD_PAUSE_ENCODING,
130 BLACKBIRD_RESUME_ENCODING,
131};
b45009b0
MCC		 132enum blackbird_copyright {
133 BLACKBIRD_COPYRIGHT_OFF,
134 BLACKBIRD_COPYRIGHT_ON,
135};
b45009b0
MCC		 136enum blackbird_notification_type {
137 BLACKBIRD_NOTIFICATION_REFRESH,
138};
139enum blackbird_notification_status {
140 BLACKBIRD_NOTIFICATION_OFF,
141 BLACKBIRD_NOTIFICATION_ON,
142};
143enum blackbird_notification_mailbox {
144 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
145};
b45009b0
MCC		 146enum blackbird_field1_lines {
147 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
148 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
149 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
150};
151enum blackbird_field2_lines {
152 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
153 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
154 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
155};
b45009b0
MCC		 156enum blackbird_custom_data_type {
157 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
158 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
159};
b45009b0
MCC		 160enum blackbird_mute {
161 BLACKBIRD_UNMUTE,
162 BLACKBIRD_MUTE,
163};
164enum blackbird_mute_video_mask {
165 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
166 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
167 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
168};
169enum blackbird_mute_video_shift {
170 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
171 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
172 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
173};
1da177e4
LT		 174
175/* Registers */
176#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
177#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
178#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
179#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
180#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
181#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
182
183/* ------------------------------------------------------------------ */
184
185static void host_setup(struct cx88_core *core)
186{
187 /* toggle reset of the host */
188 cx_write(MO_GPHST_SOFT_RST, 1);
189 udelay(100);
190 cx_write(MO_GPHST_SOFT_RST, 0);
191 udelay(100);
192
193 /* host port setup */
194 cx_write(MO_GPHST_WSC, 0x44444444U);
195 cx_write(MO_GPHST_XFR, 0);
196 cx_write(MO_GPHST_WDTH, 15);
197 cx_write(MO_GPHST_HDSHK, 0);
198 cx_write(MO_GPHST_MUX16, 0x44448888U);
199 cx_write(MO_GPHST_MODE, 0);
200}
201
202/* ------------------------------------------------------------------ */
203
204#define P1_MDATA0 0x390000
205#define P1_MDATA1 0x390001
206#define P1_MDATA2 0x390002
207#define P1_MDATA3 0x390003
208#define P1_MADDR2 0x390004
209#define P1_MADDR1 0x390005
210#define P1_MADDR0 0x390006
211#define P1_RDATA0 0x390008
212#define P1_RDATA1 0x390009
213#define P1_RDATA2 0x39000A
214#define P1_RDATA3 0x39000B
215#define P1_RADDR0 0x39000C
216#define P1_RADDR1 0x39000D
217#define P1_RRDWR 0x39000E
218
219static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
220{
221 unsigned long timeout = jiffies + msecs_to_jiffies(1);
222 u32 gpio0,need;
223
224 need = state ? 2 : 0;
225 for (;;) {
226 gpio0 = cx_read(MO_GP0_IO) & 2;
227 if (need == gpio0)
228 return 0;
229 if (time_after(jiffies,timeout))
230 return -1;
231 udelay(1);
232 }
233}
234
235static int memory_write(struct cx88_core *core, u32 address, u32 value)
236{
237 /* Warning: address is dword address (4 bytes) */
238 cx_writeb(P1_MDATA0, (unsigned int)value);
239 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
240 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
241 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
242 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
243 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
244 cx_writeb(P1_MADDR0, (unsigned int)address);
245 cx_read(P1_MDATA0);
246 cx_read(P1_MADDR0);
247
248 return wait_ready_gpio0_bit1(core,1);
249}
250
251static int memory_read(struct cx88_core *core, u32 address, u32 *value)
252{
4ac97914 253 int retval;
1da177e4
LT		 254 u32 val;
255
256 /* Warning: address is dword address (4 bytes) */
257 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
258 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
259 cx_writeb(P1_MADDR0, (unsigned int)address);
260 cx_read(P1_MADDR0);
261
262 retval = wait_ready_gpio0_bit1(core,1);
263
264 cx_writeb(P1_MDATA3, 0);
265 val = (unsigned char)cx_read(P1_MDATA3) << 24;
266 cx_writeb(P1_MDATA2, 0);
267 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
268 cx_writeb(P1_MDATA1, 0);
269 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
270 cx_writeb(P1_MDATA0, 0);
271 val |= (unsigned char)cx_read(P1_MDATA0);
272
273 *value = val;
274 return retval;
275}
276
277static int register_write(struct cx88_core *core, u32 address, u32 value)
278{
279 cx_writeb(P1_RDATA0, (unsigned int)value);
280 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
281 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
282 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
283 cx_writeb(P1_RADDR0, (unsigned int)address);
284 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
285 cx_writeb(P1_RRDWR, 1);
286 cx_read(P1_RDATA0);
287 cx_read(P1_RADDR0);
288
289 return wait_ready_gpio0_bit1(core,1);
290}
291
292
293static int register_read(struct cx88_core *core, u32 address, u32 *value)
294{
295 int retval;
296 u32 val;
297
298 cx_writeb(P1_RADDR0, (unsigned int)address);
299 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
300 cx_writeb(P1_RRDWR, 0);
301 cx_read(P1_RADDR0);
302
303 retval = wait_ready_gpio0_bit1(core,1);
304 val = (unsigned char)cx_read(P1_RDATA0);
305 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
306 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
307 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
308
309 *value = val;
310 return retval;
311}
312
313/* ------------------------------------------------------------------ */
314
ea48c13a 315static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
1da177e4 316{
f022156b 317 struct cx8802_dev *dev = priv;
1da177e4
LT		 318 unsigned long timeout;
319 u32 value, flag, retval;
320 int i;
1da177e4 321
32d83efc 322 dprintk(1,"%s: 0x%X\n", __func__, command);
1da177e4
LT		 323
324 /* this may not be 100% safe if we can't read any memory location
325 without side effects */
326 memory_read(dev->core, dev->mailbox - 4, &value);
327 if (value != 0x12345678) {
328 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
329 return -1;
330 }
331
332 memory_read(dev->core, dev->mailbox, &flag);
333 if (flag) {
334 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
335 return -1;
336 }
337
338 flag |= 1; /* tell 'em we're working on it */
339 memory_write(dev->core, dev->mailbox, flag);
340
341 /* write command + args + fill remaining with zeros */
342 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
343 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
f022156b
HV		 344 for (i = 0; i < in; i++) {
345 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
346 dprintk(1, "API Input %d = %d\n", i, data[i]);
1da177e4 347 }
f022156b 348 for (; i < CX2341X_MBOX_MAX_DATA; i++)
1da177e4
LT		 349 memory_write(dev->core, dev->mailbox + 4 + i, 0);
350
351 flag |= 3; /* tell 'em we're done writing */
352 memory_write(dev->core, dev->mailbox, flag);
353
354 /* wait for firmware to handle the API command */
355 timeout = jiffies + msecs_to_jiffies(10);
356 for (;;) {
357 memory_read(dev->core, dev->mailbox, &flag);
358 if (0 != (flag & 4))
359 break;
360 if (time_after(jiffies,timeout)) {
361 dprintk(0, "ERROR: API Mailbox timeout\n");
362 return -1;
363 }
364 udelay(10);
365 }
366
367 /* read output values */
f022156b
HV		 368 for (i = 0; i < out; i++) {
369 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
370 dprintk(1, "API Output %d = %d\n", i, data[i]);
1da177e4 371 }
1da177e4
LT		 372
373 memory_read(dev->core, dev->mailbox + 2, &retval);
374 dprintk(1, "API result = %d\n",retval);
375
376 flag = 0;
377 memory_write(dev->core, dev->mailbox, flag);
378 return retval;
379}
f022156b 380/* ------------------------------------------------------------------ */
1da177e4 381
f022156b
HV		 382/* We don't need to call the API often, so using just one mailbox will probably suffice */
383static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
384 u32 inputcnt, u32 outputcnt, ...)
385{
386 u32 data[CX2341X_MBOX_MAX_DATA];
387 va_list vargs;
388 int i, err;
389
390 va_start(vargs, outputcnt);
391
392 for (i = 0; i < inputcnt; i++) {
393 data[i] = va_arg(vargs, int);
394 }
395 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
396 for (i = 0; i < outputcnt; i++) {
397 int *vptr = va_arg(vargs, int *);
398 *vptr = data[i];
399 }
400 va_end(vargs);
401 return err;
402}
1da177e4
LT		 403
404static int blackbird_find_mailbox(struct cx8802_dev *dev)
405{
406 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
407 int signaturecnt=0;
408 u32 value;
409 int i;
410
e0099e9e 411 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
1da177e4
LT		 412 memory_read(dev->core, i, &value);
413 if (value == signature[signaturecnt])
414 signaturecnt++;
415 else
416 signaturecnt = 0;
417 if (4 == signaturecnt) {
418 dprintk(1, "Mailbox signature found\n");
419 return i+1;
420 }
421 }
422 dprintk(0, "Mailbox signature values not found!\n");
423 return -1;
424}
425
426static int blackbird_load_firmware(struct cx8802_dev *dev)
427{
428 static const unsigned char magic[8] = {
429 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
430 };
431 const struct firmware *firmware;
432 int i, retval = 0;
433 u32 value = 0;
434 u32 checksum = 0;
435 u32 *dataptr;
436
437 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
4ac97914
MCC		 438 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
439 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
440 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
1da177e4 441 msleep(1);
4ac97914 442 retval |= register_write(dev->core, IVTV_REG_APU, 0);
1da177e4
LT		 443
444 if (retval < 0)
445 dprintk(0, "Error with register_write\n");
446
48c35756 447 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
1da177e4 448 &dev->pci->dev);
674434c6
MCC		 449
450
1da177e4
LT		 451 if (retval != 0) {
452 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
48c35756 453 CX2341X_FIRM_ENC_FILENAME);
1da177e4
LT		 454 dprintk(0, "Please fix your hotplug setup, the board will "
455 "not work without firmware loaded!\n");
456 return -1;
457 }
458
25472237
HV		 459 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
460 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
461 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
73ca66b9 462 release_firmware(firmware);
1da177e4
LT		 463 return -1;
464 }
465
466 if (0 != memcmp(firmware->data, magic, 8)) {
467 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
73ca66b9 468 release_firmware(firmware);
1da177e4
LT		 469 return -1;
470 }
471
472 /* transfer to the chip */
473 dprintk(1,"Loading firmware ...\n");
474 dataptr = (u32*)firmware->data;
475 for (i = 0; i < (firmware->size >> 2); i++) {
6ba4c432 476 value = le32_to_cpu(*dataptr);
1da177e4
LT		 477 checksum += ~value;
478 memory_write(dev->core, i, value);
479 dataptr++;
480 }
481
482 /* read back to verify with the checksum */
483 for (i--; i >= 0; i--) {
484 memory_read(dev->core, i, &value);
485 checksum -= ~value;
486 }
487 if (checksum) {
488 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
73ca66b9 489 release_firmware(firmware);
1da177e4
LT		 490 return -1;
491 }
492 release_firmware(firmware);
493 dprintk(0, "Firmware upload successful.\n");
494
4ac97914
MCC		 495 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
496 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
497 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
1da177e4
LT		 498 msleep(1);
499
500 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
4ac97914 501 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
1da177e4
LT		 502
503 if (retval < 0)
504 dprintk(0, "Error with register_write\n");
505 return 0;
506}
507
b45009b0
MCC		 508/**
509 Settings used by the windows tv app for PVR2000:
510=================================================================================================================
511Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
512-----------------------------------------------------------------------------------------------------------------
513MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
515VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
516DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
517DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
518=================================================================================================================
519*DB: "DirectBurn"
520*/
31629424 521
f022156b
HV		 522static void blackbird_codec_settings(struct cx8802_dev *dev)
523{
524 /* assign frame size */
525 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
526 dev->height, dev->width);
527
7bb34c8e
HV		 528 dev->cxhdl.width = dev->width;
529 dev->cxhdl.height = dev->height;
530 cx2341x_handler_set_50hz(&dev->cxhdl, dev->core->tvnorm & V4L2_STD_625_50);
531 cx2341x_handler_setup(&dev->cxhdl);
f022156b
HV		 532}
533
1da177e4
LT		 534static int blackbird_initialize_codec(struct cx8802_dev *dev)
535{
536 struct cx88_core *core = dev->core;
537 int version;
538 int retval;
539
540 dprintk(1,"Initialize codec\n");
855dbada 541 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4 542 if (retval < 0) {
f9e54e0c
JF		 543
544 dev->mpeg_active = 0;
545
1da177e4
LT		 546 /* ping was not successful, reset and upload firmware */
547 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
1da177e4 548 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
1da177e4
LT		 549 retval = blackbird_load_firmware(dev);
550 if (retval < 0)
551 return retval;
552
50fa46b2
RK		 553 retval = blackbird_find_mailbox(dev);
554 if (retval < 0)
1da177e4
LT		 555 return -1;
556
50fa46b2
RK		 557 dev->mailbox = retval;
558
855dbada 559 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1da177e4
LT		 560 if (retval < 0) {
561 dprintk(0, "ERROR: Firmware ping failed!\n");
562 return -1;
563 }
564
855dbada 565 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
1da177e4
LT		 566 if (retval < 0) {
567 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
568 return -1;
569 }
570 dprintk(0, "Firmware version is 0x%08x\n", version);
571 }
1da177e4
LT		 572
573 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
574 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
575 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
576 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
577
1da177e4 578 blackbird_codec_settings(dev);
1da177e4 579
855dbada 580 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
b45009b0 581 BLACKBIRD_FIELD1_SAA7115,
8a17ef97 582 BLACKBIRD_FIELD2_SAA7115
b45009b0
MCC		 583 );
584
855dbada 585 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
b45009b0
MCC		 586 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
587 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
1da177e4 588
f9e54e0c
JF		 589 return 0;
590}
591
592static int blackbird_start_codec(struct file *file, void *priv)
593{
594 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
595 struct cx88_core *core = dev->core;
596 /* start capturing to the host interface */
597 u32 reg;
598
599 int i;
600 int lastchange = -1;
601 int lastval = 0;
602
d8f69971 603 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
f9e54e0c
JF		 604 reg = cx_read(AUD_STATUS);
605
d8f69971
MCC		 606 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
607 if ((reg & 0x0F) != lastval) {
f9e54e0c
JF		 608 lastval = reg & 0x0F;
609 lastchange = i;
610 }
611 msleep(100);
612 }
613
614 /* unmute audio source */
615 cx_clear(AUD_VOL_CTL, (1 << 6));
1da177e4 616
d8f69971 617 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
f9e54e0c
JF		 618
619 /* initialize the video input */
620 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
621
7bb34c8e
HV		 622 cx2341x_handler_set_busy(&dev->cxhdl, 1);
623
e52e98a7 624 /* start capturing to the host interface */
855dbada 625 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
b45009b0
MCC		 626 BLACKBIRD_MPEG_CAPTURE,
627 BLACKBIRD_RAW_BITS_NONE
e52e98a7 628 );
1da177e4 629
f9e54e0c
JF		 630 dev->mpeg_active = 1;
631 return 0;
632}
633
634static int blackbird_stop_codec(struct cx8802_dev *dev)
635{
f9e54e0c
JF		 636 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
637 BLACKBIRD_END_NOW,
638 BLACKBIRD_MPEG_CAPTURE,
639 BLACKBIRD_RAW_BITS_NONE
640 );
f9e54e0c 641
7bb34c8e
HV		 642 cx2341x_handler_set_busy(&dev->cxhdl, 0);
643
f9e54e0c 644 dev->mpeg_active = 0;
1da177e4
LT		 645 return 0;
646}
647
648/* ------------------------------------------------------------------ */
649
650static int bb_buf_setup(struct videobuf_queue *q,
651 unsigned int *count, unsigned int *size)
652{
653 struct cx8802_fh *fh = q->priv_data;
654
e52e98a7 655 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
31629424 656 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
1da177e4
LT		 657
658 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
31629424 659 *count = fh->dev->ts_packet_count;
1da177e4
LT		 660 return 0;
661}
662
663static int
664bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
665 enum v4l2_field field)
666{
667 struct cx8802_fh *fh = q->priv_data;
c7b0ac05 668 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
1da177e4
LT		 669}
670
671static void
672bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
673{
674 struct cx8802_fh *fh = q->priv_data;
675 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
676}
677
678static void
679bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
680{
c7b0ac05 681 cx88_free_buffer(q, (struct cx88_buffer*)vb);
1da177e4
LT		 682}
683
684static struct videobuf_queue_ops blackbird_qops = {
685 .buf_setup = bb_buf_setup,
686 .buf_prepare = bb_buf_prepare,
687 .buf_queue = bb_buf_queue,
688 .buf_release = bb_buf_release,
689};
690
691/* ------------------------------------------------------------------ */
692
902e197d 693static int vidioc_querycap(struct file *file, void *priv,
b3c4ee70 694 struct v4l2_capability *cap)
1da177e4 695{
b3c4ee70 696 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
e52e98a7 697 struct cx88_core *core = dev->core;
1da177e4 698
b3c4ee70 699 strcpy(cap->driver, "cx88_blackbird");
902e197d
HV		 700 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
701 cx88_querycap(file, core, cap);
b3c4ee70
MCC		 702 return 0;
703}
704
78b526a4 705static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 706 struct v4l2_fmtdesc *f)
707{
708 if (f->index != 0)
709 return -EINVAL;
1da177e4 710
b3c4ee70 711 strlcpy(f->description, "MPEG", sizeof(f->description));
b3c4ee70 712 f->pixelformat = V4L2_PIX_FMT_MPEG;
f33e9868 713 f->flags = V4L2_FMT_FLAG_COMPRESSED;
b3c4ee70
MCC		 714 return 0;
715}
1da177e4 716
78b526a4 717static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 718 struct v4l2_format *f)
719{
720 struct cx8802_fh *fh = priv;
721 struct cx8802_dev *dev = fh->dev;
722
b3c4ee70
MCC		 723 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
724 f->fmt.pix.bytesperline = 0;
6ec93f01 725 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
f33e9868 726 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
b3c4ee70
MCC		 727 f->fmt.pix.width = dev->width;
728 f->fmt.pix.height = dev->height;
729 f->fmt.pix.field = fh->mpegq.field;
7bb34c8e 730 dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
b3c4ee70
MCC		 731 dev->width, dev->height, fh->mpegq.field );
732 return 0;
733}
e52e98a7 734
78b526a4 735static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 736 struct v4l2_format *f)
737{
738 struct cx8802_fh *fh = priv;
739 struct cx8802_dev *dev = fh->dev;
740
b3c4ee70
MCC		 741 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
742 f->fmt.pix.bytesperline = 0;
6ec93f01 743 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
f33e9868 744 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
7bb34c8e 745 dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
b3c4ee70
MCC		 746 dev->width, dev->height, fh->mpegq.field );
747 return 0;
748}
e52e98a7 749
78b526a4 750static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
b3c4ee70
MCC		 751 struct v4l2_format *f)
752{
753 struct cx8802_fh *fh = priv;
754 struct cx8802_dev *dev = fh->dev;
755 struct cx88_core *core = dev->core;
e52e98a7 756
b3c4ee70
MCC		 757 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
758 f->fmt.pix.bytesperline = 0;
6ec93f01 759 f->fmt.pix.sizeimage = 188 * 4 * mpegbufs; /* 188 * 4 * 1024; */
f33e9868 760 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
b3c4ee70
MCC		 761 dev->width = f->fmt.pix.width;
762 dev->height = f->fmt.pix.height;
763 fh->mpegq.field = f->fmt.pix.field;
764 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
765 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
766 f->fmt.pix.height, f->fmt.pix.width);
7bb34c8e 767 dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
b3c4ee70
MCC		 768 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
769 return 0;
770}
1da177e4 771
b3c4ee70
MCC		 772static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
773{
774 struct cx8802_fh *fh = priv;
775 return (videobuf_reqbufs(&fh->mpegq, p));
776}
1da177e4 777
b3c4ee70
MCC		 778static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
779{
780 struct cx8802_fh *fh = priv;
781 return (videobuf_querybuf(&fh->mpegq, p));
782}
1da177e4 783
b3c4ee70
MCC		 784static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
785{
786 struct cx8802_fh *fh = priv;
787 return (videobuf_qbuf(&fh->mpegq, p));
788}
1da177e4 789
b3c4ee70
MCC		 790static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
791{
792 struct cx8802_fh *fh = priv;
793 return (videobuf_dqbuf(&fh->mpegq, p,
794 file->f_flags & O_NONBLOCK));
795}
1da177e4 796
b3c4ee70
MCC		 797static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
798{
799 struct cx8802_fh *fh = priv;
7bb34c8e
HV		 800 struct cx8802_dev *dev = fh->dev;
801
802 if (!dev->mpeg_active)
803 blackbird_start_codec(file, fh);
b3c4ee70
MCC		 804 return videobuf_streamon(&fh->mpegq);
805}
1da177e4 806
b3c4ee70
MCC		 807static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
808{
809 struct cx8802_fh *fh = priv;
7bb34c8e 810 struct cx8802_dev *dev = fh->dev;
f9e54e0c
JF		 811
812 if (dev->mpeg_active)
813 blackbird_stop_codec(dev);
7bb34c8e 814 return videobuf_streamoff(&fh->mpegq);
b3c4ee70 815}
31629424 816
b3c4ee70 817static int vidioc_s_frequency (struct file *file, void *priv,
b530a447 818 const struct v4l2_frequency *f)
b3c4ee70
MCC		 819{
820 struct cx8802_fh *fh = priv;
821 struct cx8802_dev *dev = fh->dev;
822 struct cx88_core *core = dev->core;
23154f2f 823
f33e9868
HV		 824 if (unlikely(UNSET == core->board.tuner_type))
825 return -EINVAL;
826 if (unlikely(f->tuner != 0))
827 return -EINVAL;
f9e54e0c
JF		 828 if (dev->mpeg_active)
829 blackbird_stop_codec(dev);
830
b3c4ee70
MCC		 831 cx88_set_freq (core,f);
832 blackbird_initialize_codec(dev);
833 cx88_set_scale(dev->core, dev->width, dev->height,
834 fh->mpegq.field);
835 return 0;
836}
23154f2f 837
b3c4ee70
MCC		 838static int vidioc_log_status (struct file *file, void *priv)
839{
840 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
841 struct cx88_core *core = dev->core;
842 char name[32 + 2];
843
844 snprintf(name, sizeof(name), "%s/2", core->name);
b8341e1d 845 call_all(core, core, log_status);
7bb34c8e 846 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
b3c4ee70
MCC		 847 return 0;
848}
23154f2f 849
b3c4ee70
MCC		 850static int vidioc_enum_input (struct file *file, void *priv,
851 struct v4l2_input *i)
852{
853 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
854 return cx88_enum_input (core,i);
855}
ed10b06d 856
b3c4ee70
MCC		 857static int vidioc_g_frequency (struct file *file, void *priv,
858 struct v4l2_frequency *f)
859{
860 struct cx8802_fh *fh = priv;
861 struct cx88_core *core = fh->dev->core;
ed10b06d 862
6a59d64c 863 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 864 return -EINVAL;
f33e9868
HV		 865 if (unlikely(f->tuner != 0))
866 return -EINVAL;
ed10b06d 867
b3c4ee70 868 f->frequency = core->freq;
b8341e1d 869 call_all(core, tuner, g_frequency, f);
ed10b06d 870
b3c4ee70
MCC		 871 return 0;
872}
ed10b06d 873
b3c4ee70
MCC		 874static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
875{
876 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
23154f2f 877
b3c4ee70
MCC		 878 *i = core->input;
879 return 0;
880}
ed10b06d 881
b3c4ee70
MCC		 882static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
883{
884 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
ed10b06d 885
b3c4ee70
MCC		 886 if (i >= 4)
887 return -EINVAL;
f33e9868
HV		 888 if (0 == INPUT(i).type)
889 return -EINVAL;
b3c4ee70
MCC		 890
891 mutex_lock(&core->lock);
892 cx88_newstation(core);
893 cx88_video_mux(core,i);
894 mutex_unlock(&core->lock);
ed10b06d
MCC		 895 return 0;
896}
897
b3c4ee70
MCC		 898static int vidioc_g_tuner (struct file *file, void *priv,
899 struct v4l2_tuner *t)
900{
901 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
902 u32 reg;
903
6a59d64c 904 if (unlikely(UNSET == core->board.tuner_type))
b3c4ee70 905 return -EINVAL;
f057131f
JF		 906 if (0 != t->index)
907 return -EINVAL;
b3c4ee70
MCC		 908
909 strcpy(t->name, "Television");
b3c4ee70
MCC		 910 t->capability = V4L2_TUNER_CAP_NORM;
911 t->rangehigh = 0xffffffffUL;
f33e9868 912 call_all(core, tuner, g_tuner, t);
b3c4ee70
MCC		 913
914 cx88_get_stereo(core ,t);
915 reg = cx_read(MO_DEVICE_STATUS);
916 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
917 return 0;
918}
6c5be74c 919
b3c4ee70
MCC		 920static int vidioc_s_tuner (struct file *file, void *priv,
921 struct v4l2_tuner *t)
e52e98a7 922{
b3c4ee70
MCC		 923 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
924
6a59d64c 925 if (UNSET == core->board.tuner_type)
b3c4ee70
MCC		 926 return -EINVAL;
927 if (0 != t->index)
928 return -EINVAL;
929
930 cx88_set_stereo(core, t->audmode, 1);
931 return 0;
e52e98a7
MCC		 932}
933
48d68801
HV		 934static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
935{
936 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
937
938 *tvnorm = core->tvnorm;
939 return 0;
940}
941
b3c4ee70 942static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1da177e4 943{
b3c4ee70
MCC		 944 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
945
946 mutex_lock(&core->lock);
947 cx88_set_tvnorm(core,*id);
948 mutex_unlock(&core->lock);
949 return 0;
1da177e4
LT		 950}
951
b3c4ee70
MCC		 952/* FIXME: cx88_ioctl_hook not implemented */
953
bec43661 954static int mpeg_open(struct file *file)
1da177e4 955{
50462eb0 956 struct video_device *vdev = video_devdata(file);
63b0d5ad 957 struct cx8802_dev *dev = video_drvdata(file);
1da177e4 958 struct cx8802_fh *fh;
6c5be74c
ST		 959 struct cx8802_driver *drv = NULL;
960 int err;
1da177e4 961
32d83efc 962 dprintk( 1, "%s\n", __func__);
6c5be74c 963
da497e30 964 mutex_lock(&dev->core->lock);
1da177e4 965
6c5be74c
ST		 966 /* Make sure we can acquire the hardware */
967 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
579b2b45
JN		 968 if (!drv) {
969 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
970 mutex_unlock(&dev->core->lock);
971 return -ENODEV;
972 }
973
974 err = drv->request_acquire(drv);
975 if (err != 0) {
976 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
977 mutex_unlock(&dev->core->lock);
978 return err;
6c5be74c
ST		 979 }
980
f4bd4be8 981 if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
579b2b45 982 drv->request_release(drv);
da497e30 983 mutex_unlock(&dev->core->lock);
1da177e4 984 return -EINVAL;
6c5be74c 985 }
50462eb0 986 dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
1da177e4
LT		 987
988 /* allocate + initialize per filehandle data */
7408187d 989 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
6c5be74c 990 if (NULL == fh) {
579b2b45 991 drv->request_release(drv);
da497e30 992 mutex_unlock(&dev->core->lock);
1da177e4 993 return -ENOMEM;
6c5be74c 994 }
88bb42fb 995 v4l2_fh_init(&fh->fh, vdev);
1da177e4
LT		 996 file->private_data = fh;
997 fh->dev = dev;
998
0705135e
GL		 999 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1000 &dev->pci->dev, &dev->slock,
1da177e4 1001 V4L2_BUF_TYPE_VIDEO_CAPTURE,
31629424 1002 V4L2_FIELD_INTERLACED,
1da177e4 1003 sizeof(struct cx88_buffer),
08bff03e 1004 fh, NULL);
31629424
CC		 1005
1006 /* FIXME: locking against other video device */
1007 cx88_set_scale(dev->core, dev->width, dev->height,
1008 fh->mpegq.field);
1009
f4bd4be8 1010 dev->core->mpeg_users++;
da497e30 1011 mutex_unlock(&dev->core->lock);
88bb42fb 1012 v4l2_fh_add(&fh->fh);
1da177e4
LT		 1013 return 0;
1014}
1015
bec43661 1016static int mpeg_release(struct file *file)
1da177e4
LT		 1017{
1018 struct cx8802_fh *fh = file->private_data;
f9e54e0c 1019 struct cx8802_dev *dev = fh->dev;
6c5be74c 1020 struct cx8802_driver *drv = NULL;
1da177e4 1021
f4bd4be8
JN		 1022 mutex_lock(&dev->core->lock);
1023
1024 if (dev->mpeg_active && dev->core->mpeg_users == 1)
f9e54e0c 1025 blackbird_stop_codec(dev);
1da177e4 1026
0b5f56d6 1027 cx8802_cancel_buffers(fh->dev);
1da177e4 1028 /* stop mpeg capture */
053fcb60 1029 videobuf_stop(&fh->mpegq);
1da177e4
LT		 1030
1031 videobuf_mmap_free(&fh->mpegq);
da497e30 1032
88bb42fb
HV		 1033 v4l2_fh_del(&fh->fh);
1034 v4l2_fh_exit(&fh->fh);
1da177e4
LT		 1035 file->private_data = NULL;
1036 kfree(fh);
6c5be74c
ST		 1037
1038 /* Make sure we release the hardware */
6c5be74c 1039 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
579b2b45 1040 WARN_ON(!drv);
6c5be74c
ST		 1041 if (drv)
1042 drv->request_release(drv);
1043
f4bd4be8 1044 dev->core->mpeg_users--;
9c8e0a26 1045
1fe70e96
JN		 1046 mutex_unlock(&dev->core->lock);
1047
1da177e4
LT		 1048 return 0;
1049}
1050
1051static ssize_t
1052mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1053{
1054 struct cx8802_fh *fh = file->private_data;
f9e54e0c
JF		 1055 struct cx8802_dev *dev = fh->dev;
1056
1057 if (!dev->mpeg_active)
1058 blackbird_start_codec(file, fh);
1da177e4
LT		 1059
1060 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1061 file->f_flags & O_NONBLOCK);
1062}
1063
1064static unsigned int
1065mpeg_poll(struct file *file, struct poll_table_struct *wait)
1066{
7bb34c8e 1067 unsigned long req_events = poll_requested_events(wait);
1da177e4 1068 struct cx8802_fh *fh = file->private_data;
a2482377
FC		 1069 struct cx8802_dev *dev = fh->dev;
1070
7bb34c8e 1071 if (!dev->mpeg_active && (req_events & (POLLIN | POLLRDNORM)))
a2482377 1072 blackbird_start_codec(file, fh);
1da177e4 1073
1a3c60a0 1074 return v4l2_ctrl_poll(file, wait) | videobuf_poll_stream(file, &fh->mpegq, wait);
1da177e4
LT		 1075}
1076
1077static int
1078mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1079{
1080 struct cx8802_fh *fh = file->private_data;
1081
1082 return videobuf_mmap_mapper(&fh->mpegq, vma);
1083}
1084
bec43661 1085static const struct v4l2_file_operations mpeg_fops =
1da177e4
LT		 1086{
1087 .owner = THIS_MODULE,
1088 .open = mpeg_open,
1089 .release = mpeg_release,
1090 .read = mpeg_read,
1091 .poll = mpeg_poll,
1092 .mmap = mpeg_mmap,
fcbd5049 1093 .unlocked_ioctl = video_ioctl2,
1da177e4
LT		 1094};
1095
a399810c 1096static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
b3c4ee70 1097 .vidioc_querycap = vidioc_querycap,
78b526a4
HV		 1098 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1099 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1100 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1101 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
b3c4ee70
MCC		 1102 .vidioc_reqbufs = vidioc_reqbufs,
1103 .vidioc_querybuf = vidioc_querybuf,
1104 .vidioc_qbuf = vidioc_qbuf,
1105 .vidioc_dqbuf = vidioc_dqbuf,
1106 .vidioc_streamon = vidioc_streamon,
1107 .vidioc_streamoff = vidioc_streamoff,
b3c4ee70
MCC		 1108 .vidioc_s_frequency = vidioc_s_frequency,
1109 .vidioc_log_status = vidioc_log_status,
b3c4ee70 1110 .vidioc_enum_input = vidioc_enum_input,
b3c4ee70
MCC		 1111 .vidioc_g_frequency = vidioc_g_frequency,
1112 .vidioc_g_input = vidioc_g_input,
1113 .vidioc_s_input = vidioc_s_input,
1114 .vidioc_g_tuner = vidioc_g_tuner,
1115 .vidioc_s_tuner = vidioc_s_tuner,
48d68801 1116 .vidioc_g_std = vidioc_g_std,
b3c4ee70 1117 .vidioc_s_std = vidioc_s_std,
1a3c60a0
HV		 1118 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1119 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
a399810c
HV		 1120};
1121
1122static struct video_device cx8802_mpeg_template = {
1123 .name = "cx8802",
a399810c
HV		 1124 .fops = &mpeg_fops,
1125 .ioctl_ops = &mpeg_ioctl_ops,
b3c4ee70 1126 .tvnorms = CX88_NORMS,
1da177e4
LT		 1127};
1128
1129/* ------------------------------------------------------------------ */
1130
6c5be74c
ST		 1131/* The CX8802 MPEG API will call this when we can use the hardware */
1132static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1133{
1134 struct cx88_core *core = drv->core;
1135 int err = 0;
1136
6a59d64c 1137 switch (core->boardnr) {
6c5be74c
ST		 1138 case CX88_BOARD_HAUPPAUGE_HVR1300:
1139 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1140 * We left the hardware on power up with the cx22702 active.
1141 * We're being given access to re-arrange the GPIOs.
1142 * Take the bus off the cx22702 and put the cx23416 on it.
1143 */
79392737
DB		 1144 /* Toggle reset on cx22702 leaving i2c active */
1145 cx_set(MO_GP0_IO, 0x00000080);
1146 udelay(1000);
1147 cx_clear(MO_GP0_IO, 0x00000080);
1148 udelay(50);
1149 cx_set(MO_GP0_IO, 0x00000080);
1150 udelay(1000);
1151 /* tri-state the cx22702 pins */
1152 cx_set(MO_GP0_IO, 0x00000004);
1153 udelay(1000);
6c5be74c
ST		 1154 break;
1155 default:
1156 err = -ENODEV;
1157 }
1158 return err;
1159}
1160
1161/* The CX8802 MPEG API will call this when we need to release the hardware */
1162static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1163{
1164 struct cx88_core *core = drv->core;
1165 int err = 0;
1166
6a59d64c 1167 switch (core->boardnr) {
6c5be74c
ST		 1168 case CX88_BOARD_HAUPPAUGE_HVR1300:
1169 /* Exit leaving the cx23416 on the bus */
1170 break;
1171 default:
1172 err = -ENODEV;
1173 }
1174 return err;
1175}
1176
1da177e4
LT		 1177static void blackbird_unregister_video(struct cx8802_dev *dev)
1178{
1179 if (dev->mpeg_dev) {
f0813b4c 1180 if (video_is_registered(dev->mpeg_dev))
1da177e4
LT		 1181 video_unregister_device(dev->mpeg_dev);
1182 else
1183 video_device_release(dev->mpeg_dev);
1184 dev->mpeg_dev = NULL;
1185 }
1186}
1187
1188static int blackbird_register_video(struct cx8802_dev *dev)
1189{
1190 int err;
1191
1192 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1193 &cx8802_mpeg_template,"mpeg");
7bb34c8e 1194 dev->mpeg_dev->ctrl_handler = &dev->cxhdl.hdl;
63b0d5ad 1195 video_set_drvdata(dev->mpeg_dev, dev);
1da177e4
LT		 1196 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1197 if (err < 0) {
1198 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1199 dev->core->name);
1200 return err;
1201 }
38c7c036
LP		 1202 printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1203 dev->core->name, video_device_node_name(dev->mpeg_dev));
1da177e4
LT		 1204 return 0;
1205}
1206
1207/* ----------------------------------------------------------- */
1208
6c5be74c 1209static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1da177e4 1210{
6c5be74c
ST		 1211 struct cx88_core *core = drv->core;
1212 struct cx8802_dev *dev = core->dvbdev;
1da177e4
LT		 1213 int err;
1214
32d83efc 1215 dprintk( 1, "%s\n", __func__);
6c5be74c 1216 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
6a59d64c 1217 core->boardnr,
6c5be74c
ST		 1218 core->name,
1219 core->pci_bus,
1220 core->pci_slot);
1da177e4
LT		 1221
1222 err = -ENODEV;
6a59d64c 1223 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1da177e4
LT		 1224 goto fail_core;
1225
7bb34c8e 1226 dev->width = 720;
ed10b06d 1227 if (core->tvnorm & V4L2_STD_525_60) {
45f87a21
MK		 1228 dev->height = 480;
1229 } else {
1230 dev->height = 576;
0345c387 1231 }
7bb34c8e
HV		 1232 dev->cxhdl.port = CX2341X_PORT_STREAMING;
1233 dev->cxhdl.width = dev->width;
1234 dev->cxhdl.height = dev->height;
1235 dev->cxhdl.func = blackbird_mbox_func;
1236 dev->cxhdl.priv = dev;
1237 err = cx2341x_handler_init(&dev->cxhdl, 36);
1238 if (err)
1239 goto fail_core;
34a6b7d0 1240 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
0345c387 1241
1da177e4
LT		 1242 /* blackbird stuff */
1243 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1244 core->name);
1245 host_setup(dev->core);
1246
f9e54e0c 1247 blackbird_initialize_codec(dev);
e52e98a7
MCC		 1248
1249 /* initial device configuration: needed ? */
b3c4ee70
MCC		 1250// init_controls(core);
1251 cx88_set_tvnorm(core,core->tvnorm);
1252 cx88_video_mux(core,0);
7bb34c8e
HV		 1253 cx2341x_handler_set_50hz(&dev->cxhdl, dev->height == 576);
1254 cx2341x_handler_setup(&dev->cxhdl);
1255 blackbird_register_video(dev);
e52e98a7 1256
1da177e4
LT		 1257 return 0;
1258
1da177e4 1259 fail_core:
1da177e4
LT		 1260 return err;
1261}
1262
6c5be74c 1263static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1da177e4 1264{
7bb34c8e
HV		 1265 struct cx88_core *core = drv->core;
1266 struct cx8802_dev *dev = core->dvbdev;
1267
1da177e4 1268 /* blackbird */
6c5be74c 1269 blackbird_unregister_video(drv->core->dvbdev);
7bb34c8e 1270 v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1da177e4 1271
6c5be74c 1272 return 0;
1da177e4
LT		 1273}
1274
6c5be74c
ST		 1275static struct cx8802_driver cx8802_blackbird_driver = {
1276 .type_id = CX88_MPEG_BLACKBIRD,
1277 .hw_access = CX8802_DRVCTL_SHARED,
1278 .probe = cx8802_blackbird_probe,
1279 .remove = cx8802_blackbird_remove,
1280 .advise_acquire = cx8802_blackbird_advise_acquire,
1281 .advise_release = cx8802_blackbird_advise_release,
1da177e4
LT		 1282};
1283
31d0f845 1284static int __init blackbird_init(void)
1da177e4 1285{
1990d50b
MCC		 1286 printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1287 CX88_VERSION);
6c5be74c 1288 return cx8802_register_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1289}
1290
31d0f845 1291static void __exit blackbird_fini(void)
1da177e4 1292{
6c5be74c 1293 cx8802_unregister_driver(&cx8802_blackbird_driver);
1da177e4
LT		 1294}
1295
1296module_init(blackbird_init);
1297module_exit(blackbird_fini);
1298
b3c4ee70
MCC		 1299module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1300MODULE_PARM_DESC(debug,"enable debug messages [video]");
Linux 6.x block layer and io_uring tree(s)