1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Support for a cx23416 mpeg encoder via cx2388x host port.
4 * "blackbird" reference design.
5 *
6 * (c) 2004 Jelle Foks <jelle@foks.us>
7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8 *
9 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@kernel.org>
10 * - video_ioctl2 conversion
11 *
12 * Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
13 */
14
15 #include "cx88.h"
16
17 #include <linux/module.h>
18 #include <linux/init.h>
19 #include <linux/slab.h>
20 #include <linux/fs.h>
21 #include <linux/delay.h>
22 #include <linux/device.h>
23 #include <linux/firmware.h>
24 #include <media/v4l2-common.h>
25 #include <media/v4l2-ioctl.h>
26 #include <media/v4l2-event.h>
27 #include <media/drv-intf/cx2341x.h>
28
29 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
30 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
31 MODULE_LICENSE("GPL v2");
32 MODULE_VERSION(CX88_VERSION);
33
34 static unsigned int debug;
35 module_param(debug, int, 0644);
36 MODULE_PARM_DESC(debug, "enable debug messages [blackbird]");
37
38 #define dprintk(level, fmt, arg...) do { \
39 if (debug + 1 > level) \
40 printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt), \
41 __func__, ##arg); \
42 } while (0)
43
44 /* ------------------------------------------------------------------ */
45
46 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
47
48 /* defines below are from ivtv-driver.h */
49
50 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
51
52 /* Firmware API commands */
53 #define IVTV_API_STD_TIMEOUT 500
54
55 enum blackbird_capture_type {
56 BLACKBIRD_MPEG_CAPTURE,
57 BLACKBIRD_RAW_CAPTURE,
58 BLACKBIRD_RAW_PASSTHRU_CAPTURE
59 };
60
61 enum blackbird_capture_bits {
62 BLACKBIRD_RAW_BITS_NONE = 0x00,
63 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
64 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
65 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
66 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
67 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
68 };
69
70 enum blackbird_capture_end {
71 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
72 BLACKBIRD_END_NOW, /* stop immediately, no irq */
73 };
74
75 enum blackbird_framerate {
76 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
77 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
78 };
79
80 enum blackbird_stream_port {
81 BLACKBIRD_OUTPUT_PORT_MEMORY,
82 BLACKBIRD_OUTPUT_PORT_STREAMING,
83 BLACKBIRD_OUTPUT_PORT_SERIAL
84 };
85
86 enum blackbird_data_xfer_status {
87 BLACKBIRD_MORE_BUFFERS_FOLLOW,
88 BLACKBIRD_LAST_BUFFER,
89 };
90
91 enum blackbird_picture_mask {
92 BLACKBIRD_PICTURE_MASK_NONE,
93 BLACKBIRD_PICTURE_MASK_I_FRAMES,
94 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
95 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
96 };
97
98 enum blackbird_vbi_mode_bits {
99 BLACKBIRD_VBI_BITS_SLICED,
100 BLACKBIRD_VBI_BITS_RAW,
101 };
102
103 enum blackbird_vbi_insertion_bits {
104 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
105 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
106 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
107 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
108 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
109 };
110
111 enum blackbird_dma_unit {
112 BLACKBIRD_DMA_BYTES,
113 BLACKBIRD_DMA_FRAMES,
114 };
115
116 enum blackbird_dma_transfer_status_bits {
117 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
118 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
119 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
120 };
121
122 enum blackbird_pause {
123 BLACKBIRD_PAUSE_ENCODING,
124 BLACKBIRD_RESUME_ENCODING,
125 };
126
127 enum blackbird_copyright {
128 BLACKBIRD_COPYRIGHT_OFF,
129 BLACKBIRD_COPYRIGHT_ON,
130 };
131
132 enum blackbird_notification_type {
133 BLACKBIRD_NOTIFICATION_REFRESH,
134 };
135
136 enum blackbird_notification_status {
137 BLACKBIRD_NOTIFICATION_OFF,
138 BLACKBIRD_NOTIFICATION_ON,
139 };
140
141 enum blackbird_notification_mailbox {
142 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
143 };
144
145 enum blackbird_field1_lines {
146 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
147 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
148 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
149 };
150
151 enum blackbird_field2_lines {
152 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
153 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
154 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
155 };
156
157 enum blackbird_custom_data_type {
158 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
159 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
160 };
161
162 enum blackbird_mute {
163 BLACKBIRD_UNMUTE,
164 BLACKBIRD_MUTE,
165 };
166
167 enum blackbird_mute_video_mask {
168 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
169 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
170 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
171 };
172
173 enum blackbird_mute_video_shift {
174 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
175 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
176 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
177 };
178
179 /* Registers */
180 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
181 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
182 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
183 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
184 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
185 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
186
187 /* ------------------------------------------------------------------ */
188
host_setup(struct cx88_core * core)189 static void host_setup(struct cx88_core *core)
190 {
191 /* toggle reset of the host */
192 cx_write(MO_GPHST_SOFT_RST, 1);
193 udelay(100);
194 cx_write(MO_GPHST_SOFT_RST, 0);
195 udelay(100);
196
197 /* host port setup */
198 cx_write(MO_GPHST_WSC, 0x44444444U);
199 cx_write(MO_GPHST_XFR, 0);
200 cx_write(MO_GPHST_WDTH, 15);
201 cx_write(MO_GPHST_HDSHK, 0);
202 cx_write(MO_GPHST_MUX16, 0x44448888U);
203 cx_write(MO_GPHST_MODE, 0);
204 }
205
206 /* ------------------------------------------------------------------ */
207
208 #define P1_MDATA0 0x390000
209 #define P1_MDATA1 0x390001
210 #define P1_MDATA2 0x390002
211 #define P1_MDATA3 0x390003
212 #define P1_MADDR2 0x390004
213 #define P1_MADDR1 0x390005
214 #define P1_MADDR0 0x390006
215 #define P1_RDATA0 0x390008
216 #define P1_RDATA1 0x390009
217 #define P1_RDATA2 0x39000A
218 #define P1_RDATA3 0x39000B
219 #define P1_RADDR0 0x39000C
220 #define P1_RADDR1 0x39000D
221 #define P1_RRDWR 0x39000E
222
wait_ready_gpio0_bit1(struct cx88_core * core,u32 state)223 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
224 {
225 unsigned long timeout = jiffies + msecs_to_jiffies(1);
226 u32 gpio0, need;
227
228 need = state ? 2 : 0;
229 for (;;) {
230 gpio0 = cx_read(MO_GP0_IO) & 2;
231 if (need == gpio0)
232 return 0;
233 if (time_after(jiffies, timeout))
234 return -1;
235 udelay(1);
236 }
237 }
238
memory_write(struct cx88_core * core,u32 address,u32 value)239 static int memory_write(struct cx88_core *core, u32 address, u32 value)
240 {
241 /* Warning: address is dword address (4 bytes) */
242 cx_writeb(P1_MDATA0, (unsigned int)value);
243 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
244 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
245 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
246 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
247 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
248 cx_writeb(P1_MADDR0, (unsigned int)address);
249 cx_read(P1_MDATA0);
250 cx_read(P1_MADDR0);
251
252 return wait_ready_gpio0_bit1(core, 1);
253 }
254
memory_read(struct cx88_core * core,u32 address,u32 * value)255 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
256 {
257 int retval;
258 u32 val;
259
260 /* Warning: address is dword address (4 bytes) */
261 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
262 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
263 cx_writeb(P1_MADDR0, (unsigned int)address);
264 cx_read(P1_MADDR0);
265
266 retval = wait_ready_gpio0_bit1(core, 1);
267
268 cx_writeb(P1_MDATA3, 0);
269 val = (unsigned char)cx_read(P1_MDATA3) << 24;
270 cx_writeb(P1_MDATA2, 0);
271 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
272 cx_writeb(P1_MDATA1, 0);
273 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
274 cx_writeb(P1_MDATA0, 0);
275 val |= (unsigned char)cx_read(P1_MDATA0);
276
277 *value = val;
278 return retval;
279 }
280
register_write(struct cx88_core * core,u32 address,u32 value)281 static int register_write(struct cx88_core *core, u32 address, u32 value)
282 {
283 cx_writeb(P1_RDATA0, (unsigned int)value);
284 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
285 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
286 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
287 cx_writeb(P1_RADDR0, (unsigned int)address);
288 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
289 cx_writeb(P1_RRDWR, 1);
290 cx_read(P1_RDATA0);
291 cx_read(P1_RADDR0);
292
293 return wait_ready_gpio0_bit1(core, 1);
294 }
295
register_read(struct cx88_core * core,u32 address,u32 * value)296 static int register_read(struct cx88_core *core, u32 address, u32 *value)
297 {
298 int retval;
299 u32 val;
300
301 cx_writeb(P1_RADDR0, (unsigned int)address);
302 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
303 cx_writeb(P1_RRDWR, 0);
304 cx_read(P1_RADDR0);
305
306 retval = wait_ready_gpio0_bit1(core, 1);
307 val = (unsigned char)cx_read(P1_RDATA0);
308 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
309 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
310 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
311
312 *value = val;
313 return retval;
314 }
315
316 /* ------------------------------------------------------------------ */
317
blackbird_mbox_func(void * priv,u32 command,int in,int out,u32 data[CX2341X_MBOX_MAX_DATA])318 static int blackbird_mbox_func(void *priv, u32 command, int in,
319 int out, u32 data[CX2341X_MBOX_MAX_DATA])
320 {
321 struct cx8802_dev *dev = priv;
322 unsigned long timeout;
323 u32 value, flag, retval;
324 int i;
325
326 dprintk(1, "%s: 0x%X\n", __func__, command);
327
328 /*
329 * this may not be 100% safe if we can't read any memory location
330 * without side effects
331 */
332 memory_read(dev->core, dev->mailbox - 4, &value);
333 if (value != 0x12345678) {
334 dprintk(0,
335 "Firmware and/or mailbox pointer not initialized or corrupted\n");
336 return -EIO;
337 }
338
339 memory_read(dev->core, dev->mailbox, &flag);
340 if (flag) {
341 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
342 return -EIO;
343 }
344
345 flag |= 1; /* tell 'em we're working on it */
346 memory_write(dev->core, dev->mailbox, flag);
347
348 /* write command + args + fill remaining with zeros */
349 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
350 /* timeout */
351 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT);
352 for (i = 0; i < in; i++) {
353 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
354 dprintk(1, "API Input %d = %d\n", i, data[i]);
355 }
356 for (; i < CX2341X_MBOX_MAX_DATA; i++)
357 memory_write(dev->core, dev->mailbox + 4 + i, 0);
358
359 flag |= 3; /* tell 'em we're done writing */
360 memory_write(dev->core, dev->mailbox, flag);
361
362 /* wait for firmware to handle the API command */
363 timeout = jiffies + msecs_to_jiffies(1000);
364 for (;;) {
365 memory_read(dev->core, dev->mailbox, &flag);
366 if (0 != (flag & 4))
367 break;
368 if (time_after(jiffies, timeout)) {
369 dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
370 return -EIO;
371 }
372 udelay(10);
373 }
374
375 /* read output values */
376 for (i = 0; i < out; i++) {
377 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
378 dprintk(1, "API Output %d = %d\n", i, data[i]);
379 }
380
381 memory_read(dev->core, dev->mailbox + 2, &retval);
382 dprintk(1, "API result = %d\n", retval);
383
384 flag = 0;
385 memory_write(dev->core, dev->mailbox, flag);
386 return retval;
387 }
388
389 /* ------------------------------------------------------------------ */
390
391 /*
392 * We don't need to call the API often, so using just one mailbox
393 * will probably suffice
394 */
blackbird_api_cmd(struct cx8802_dev * dev,u32 command,u32 inputcnt,u32 outputcnt,...)395 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
396 u32 inputcnt, u32 outputcnt, ...)
397 {
398 u32 data[CX2341X_MBOX_MAX_DATA];
399 va_list vargs;
400 int i, err;
401
402 va_start(vargs, outputcnt);
403
404 for (i = 0; i < inputcnt; i++)
405 data[i] = va_arg(vargs, int);
406
407 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
408 for (i = 0; i < outputcnt; i++) {
409 int *vptr = va_arg(vargs, int *);
410 *vptr = data[i];
411 }
412 va_end(vargs);
413 return err;
414 }
415
blackbird_find_mailbox(struct cx8802_dev * dev)416 static int blackbird_find_mailbox(struct cx8802_dev *dev)
417 {
418 u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
419 int signaturecnt = 0;
420 u32 value;
421 int i;
422
423 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
424 memory_read(dev->core, i, &value);
425 if (value == signature[signaturecnt])
426 signaturecnt++;
427 else
428 signaturecnt = 0;
429 if (signaturecnt == 4) {
430 dprintk(1, "Mailbox signature found\n");
431 return i + 1;
432 }
433 }
434 dprintk(0, "Mailbox signature values not found!\n");
435 return -EIO;
436 }
437
blackbird_load_firmware(struct cx8802_dev * dev)438 static int blackbird_load_firmware(struct cx8802_dev *dev)
439 {
440 static const unsigned char magic[8] = {
441 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
442 };
443 const struct firmware *firmware;
444 int i, retval = 0;
445 u32 value = 0;
446 u32 checksum = 0;
447 __le32 *dataptr;
448
449 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
450 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
451 IVTV_CMD_HW_BLOCKS_RST);
452 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
453 0x80000640);
454 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
455 0x1A);
456 usleep_range(10000, 20000);
457 retval |= register_write(dev->core, IVTV_REG_APU, 0);
458
459 if (retval < 0)
460 dprintk(0, "Error with register_write\n");
461
462 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
463 &dev->pci->dev);
464
465 if (retval != 0) {
466 pr_err("Hotplug firmware request failed (%s).\n",
467 CX2341X_FIRM_ENC_FILENAME);
468 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
469 return -EIO;
470 }
471
472 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
473 pr_err("Firmware size mismatch (have %zd, expected %d)\n",
474 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
475 release_firmware(firmware);
476 return -EINVAL;
477 }
478
479 if (memcmp(firmware->data, magic, 8) != 0) {
480 pr_err("Firmware magic mismatch, wrong file?\n");
481 release_firmware(firmware);
482 return -EINVAL;
483 }
484
485 /* transfer to the chip */
486 dprintk(1, "Loading firmware ...\n");
487 dataptr = (__le32 *)firmware->data;
488 for (i = 0; i < (firmware->size >> 2); i++) {
489 value = le32_to_cpu(*dataptr);
490 checksum += ~value;
491 memory_write(dev->core, i, value);
492 dataptr++;
493 }
494
495 /* read back to verify with the checksum */
496 for (i--; i >= 0; i--) {
497 memory_read(dev->core, i, &value);
498 checksum -= ~value;
499 }
500 release_firmware(firmware);
501 if (checksum) {
502 pr_err("Firmware load might have failed (checksum mismatch).\n");
503 return -EIO;
504 }
505 dprintk(0, "Firmware upload successful.\n");
506
507 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
508 IVTV_CMD_HW_BLOCKS_RST);
509 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
510 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
511 usleep_range(10000, 20000);
512
513 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
514 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
515
516 if (retval < 0)
517 dprintk(0, "Error with register_write\n");
518 return 0;
519 }
520
521 /*
522 * Settings used by the windows tv app for PVR2000:
523 * =================================================================================================================
524 * Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
525 * -----------------------------------------------------------------------------------------------------------------
526 * MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
527 * MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
528 * VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
529 * DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
530 * DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
531 * =================================================================================================================
532 * [*] DB: "DirectBurn"
533 */
534
blackbird_codec_settings(struct cx8802_dev * dev)535 static void blackbird_codec_settings(struct cx8802_dev *dev)
536 {
537 struct cx88_core *core = dev->core;
538
539 /* assign frame size */
540 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
541 core->height, core->width);
542
543 dev->cxhdl.width = core->width;
544 dev->cxhdl.height = core->height;
545 cx2341x_handler_set_50hz(&dev->cxhdl,
546 dev->core->tvnorm & V4L2_STD_625_50);
547 cx2341x_handler_setup(&dev->cxhdl);
548 }
549
blackbird_initialize_codec(struct cx8802_dev * dev)550 static int blackbird_initialize_codec(struct cx8802_dev *dev)
551 {
552 struct cx88_core *core = dev->core;
553 int version;
554 int retval;
555
556 dprintk(1, "Initialize codec\n");
557 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
558 if (retval < 0) {
559 /* ping was not successful, reset and upload firmware */
560 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
561 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
562 retval = blackbird_load_firmware(dev);
563 if (retval < 0)
564 return retval;
565
566 retval = blackbird_find_mailbox(dev);
567 if (retval < 0)
568 return -1;
569
570 dev->mailbox = retval;
571
572 /* ping */
573 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
574 if (retval < 0) {
575 dprintk(0, "ERROR: Firmware ping failed!\n");
576 return -1;
577 }
578
579 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION,
580 0, 1, &version);
581 if (retval < 0) {
582 dprintk(0,
583 "ERROR: Firmware get encoder version failed!\n");
584 return -1;
585 }
586 dprintk(0, "Firmware version is 0x%08x\n", version);
587 }
588
589 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
590 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
591 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
592 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
593
594 blackbird_codec_settings(dev);
595
596 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
597 BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
598
599 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
600 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
601 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
602
603 return 0;
604 }
605
blackbird_start_codec(struct cx8802_dev * dev)606 static int blackbird_start_codec(struct cx8802_dev *dev)
607 {
608 struct cx88_core *core = dev->core;
609 /* start capturing to the host interface */
610 u32 reg;
611
612 int i;
613 int lastchange = -1;
614 int lastval = 0;
615
616 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
617 reg = cx_read(AUD_STATUS);
618
619 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
620 if ((reg & 0x0F) != lastval) {
621 lastval = reg & 0x0F;
622 lastchange = i;
623 }
624 msleep(100);
625 }
626
627 /* unmute audio source */
628 cx_clear(AUD_VOL_CTL, (1 << 6));
629
630 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
631
632 /* initialize the video input */
633 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
634
635 cx2341x_handler_set_busy(&dev->cxhdl, 1);
636
637 /* start capturing to the host interface */
638 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
639 BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
640
641 return 0;
642 }
643
blackbird_stop_codec(struct cx8802_dev * dev)644 static int blackbird_stop_codec(struct cx8802_dev *dev)
645 {
646 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
647 BLACKBIRD_END_NOW,
648 BLACKBIRD_MPEG_CAPTURE,
649 BLACKBIRD_RAW_BITS_NONE);
650
651 cx2341x_handler_set_busy(&dev->cxhdl, 0);
652
653 return 0;
654 }
655
656 /* ------------------------------------------------------------------ */
657
queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])658 static int queue_setup(struct vb2_queue *q,
659 unsigned int *num_buffers, unsigned int *num_planes,
660 unsigned int sizes[], struct device *alloc_devs[])
661 {
662 struct cx8802_dev *dev = q->drv_priv;
663
664 *num_planes = 1;
665 dev->ts_packet_size = 188 * 4;
666 dev->ts_packet_count = 32;
667 sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
668 return 0;
669 }
670
buffer_prepare(struct vb2_buffer * vb)671 static int buffer_prepare(struct vb2_buffer *vb)
672 {
673 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
674 struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
675 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
676
677 return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
678 }
679
buffer_finish(struct vb2_buffer * vb)680 static void buffer_finish(struct vb2_buffer *vb)
681 {
682 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
683 struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
684 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
685 struct cx88_riscmem *risc = &buf->risc;
686
687 if (risc->cpu)
688 dma_free_coherent(&dev->pci->dev, risc->size, risc->cpu,
689 risc->dma);
690 memset(risc, 0, sizeof(*risc));
691 }
692
buffer_queue(struct vb2_buffer * vb)693 static void buffer_queue(struct vb2_buffer *vb)
694 {
695 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
696 struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
697 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
698
699 cx8802_buf_queue(dev, buf);
700 }
701
start_streaming(struct vb2_queue * q,unsigned int count)702 static int start_streaming(struct vb2_queue *q, unsigned int count)
703 {
704 struct cx8802_dev *dev = q->drv_priv;
705 struct cx88_dmaqueue *dmaq = &dev->mpegq;
706 struct cx8802_driver *drv;
707 struct cx88_buffer *buf;
708 unsigned long flags;
709 int err;
710
711 /* Make sure we can acquire the hardware */
712 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
713 if (!drv) {
714 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
715 err = -ENODEV;
716 goto fail;
717 }
718
719 err = drv->request_acquire(drv);
720 if (err != 0) {
721 dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
722 err);
723 goto fail;
724 }
725
726 if (blackbird_initialize_codec(dev) < 0) {
727 drv->request_release(drv);
728 err = -EINVAL;
729 goto fail;
730 }
731
732 err = blackbird_start_codec(dev);
733 if (err == 0) {
734 buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
735 cx8802_start_dma(dev, dmaq, buf);
736 return 0;
737 }
738
739 fail:
740 spin_lock_irqsave(&dev->slock, flags);
741 while (!list_empty(&dmaq->active)) {
742 struct cx88_buffer *buf = list_entry(dmaq->active.next,
743 struct cx88_buffer, list);
744
745 list_del(&buf->list);
746 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
747 }
748 spin_unlock_irqrestore(&dev->slock, flags);
749 return err;
750 }
751
stop_streaming(struct vb2_queue * q)752 static void stop_streaming(struct vb2_queue *q)
753 {
754 struct cx8802_dev *dev = q->drv_priv;
755 struct cx88_dmaqueue *dmaq = &dev->mpegq;
756 struct cx8802_driver *drv = NULL;
757 unsigned long flags;
758
759 cx8802_cancel_buffers(dev);
760 blackbird_stop_codec(dev);
761
762 /* Make sure we release the hardware */
763 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
764 WARN_ON(!drv);
765 if (drv)
766 drv->request_release(drv);
767
768 spin_lock_irqsave(&dev->slock, flags);
769 while (!list_empty(&dmaq->active)) {
770 struct cx88_buffer *buf = list_entry(dmaq->active.next,
771 struct cx88_buffer, list);
772
773 list_del(&buf->list);
774 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
775 }
776 spin_unlock_irqrestore(&dev->slock, flags);
777 }
778
779 static const struct vb2_ops blackbird_qops = {
780 .queue_setup = queue_setup,
781 .buf_prepare = buffer_prepare,
782 .buf_finish = buffer_finish,
783 .buf_queue = buffer_queue,
784 .wait_prepare = vb2_ops_wait_prepare,
785 .wait_finish = vb2_ops_wait_finish,
786 .start_streaming = start_streaming,
787 .stop_streaming = stop_streaming,
788 };
789
790 /* ------------------------------------------------------------------ */
791
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)792 static int vidioc_querycap(struct file *file, void *priv,
793 struct v4l2_capability *cap)
794 {
795 struct cx8802_dev *dev = video_drvdata(file);
796 struct cx88_core *core = dev->core;
797
798 strscpy(cap->driver, "cx88_blackbird", sizeof(cap->driver));
799 return cx88_querycap(file, core, cap);
800 }
801
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)802 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
803 struct v4l2_fmtdesc *f)
804 {
805 if (f->index != 0)
806 return -EINVAL;
807
808 f->pixelformat = V4L2_PIX_FMT_MPEG;
809 return 0;
810 }
811
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)812 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
813 struct v4l2_format *f)
814 {
815 struct cx8802_dev *dev = video_drvdata(file);
816 struct cx88_core *core = dev->core;
817
818 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
819 f->fmt.pix.bytesperline = 0;
820 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
821 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
822 f->fmt.pix.width = core->width;
823 f->fmt.pix.height = core->height;
824 f->fmt.pix.field = core->field;
825 return 0;
826 }
827
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)828 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
829 struct v4l2_format *f)
830 {
831 struct cx8802_dev *dev = video_drvdata(file);
832 struct cx88_core *core = dev->core;
833 unsigned int maxw, maxh;
834 enum v4l2_field field;
835
836 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
837 f->fmt.pix.bytesperline = 0;
838 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
839 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
840
841 maxw = norm_maxw(core->tvnorm);
842 maxh = norm_maxh(core->tvnorm);
843
844 field = f->fmt.pix.field;
845
846 switch (field) {
847 case V4L2_FIELD_TOP:
848 case V4L2_FIELD_BOTTOM:
849 case V4L2_FIELD_INTERLACED:
850 case V4L2_FIELD_SEQ_BT:
851 case V4L2_FIELD_SEQ_TB:
852 break;
853 default:
854 field = (f->fmt.pix.height > maxh / 2)
855 ? V4L2_FIELD_INTERLACED
856 : V4L2_FIELD_BOTTOM;
857 break;
858 }
859 if (V4L2_FIELD_HAS_T_OR_B(field))
860 maxh /= 2;
861
862 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
863 &f->fmt.pix.height, 32, maxh, 0, 0);
864 f->fmt.pix.field = field;
865 return 0;
866 }
867
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)868 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
869 struct v4l2_format *f)
870 {
871 struct cx8802_dev *dev = video_drvdata(file);
872 struct cx88_core *core = dev->core;
873
874 if (vb2_is_busy(&dev->vb2_mpegq))
875 return -EBUSY;
876 if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
877 vb2_is_busy(&core->v4ldev->vb2_vbiq)))
878 return -EBUSY;
879 vidioc_try_fmt_vid_cap(file, priv, f);
880 core->width = f->fmt.pix.width;
881 core->height = f->fmt.pix.height;
882 core->field = f->fmt.pix.field;
883 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
884 f->fmt.pix.field);
885 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
886 f->fmt.pix.height, f->fmt.pix.width);
887 return 0;
888 }
889
vidioc_s_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)890 static int vidioc_s_frequency(struct file *file, void *priv,
891 const struct v4l2_frequency *f)
892 {
893 struct cx8802_dev *dev = video_drvdata(file);
894 struct cx88_core *core = dev->core;
895 bool streaming;
896
897 if (unlikely(core->board.tuner_type == UNSET))
898 return -EINVAL;
899 if (unlikely(f->tuner != 0))
900 return -EINVAL;
901 streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
902 if (streaming)
903 blackbird_stop_codec(dev);
904
905 cx88_set_freq(core, f);
906 blackbird_initialize_codec(dev);
907 cx88_set_scale(core, core->width, core->height, core->field);
908 if (streaming)
909 blackbird_start_codec(dev);
910 return 0;
911 }
912
vidioc_log_status(struct file * file,void * priv)913 static int vidioc_log_status(struct file *file, void *priv)
914 {
915 struct cx8802_dev *dev = video_drvdata(file);
916 struct cx88_core *core = dev->core;
917 char name[32 + 2];
918
919 snprintf(name, sizeof(name), "%s/2", core->name);
920 call_all(core, core, log_status);
921 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
922 return 0;
923 }
924
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)925 static int vidioc_enum_input(struct file *file, void *priv,
926 struct v4l2_input *i)
927 {
928 struct cx8802_dev *dev = video_drvdata(file);
929 struct cx88_core *core = dev->core;
930
931 return cx88_enum_input(core, i);
932 }
933
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)934 static int vidioc_g_frequency(struct file *file, void *priv,
935 struct v4l2_frequency *f)
936 {
937 struct cx8802_dev *dev = video_drvdata(file);
938 struct cx88_core *core = dev->core;
939
940 if (unlikely(core->board.tuner_type == UNSET))
941 return -EINVAL;
942 if (unlikely(f->tuner != 0))
943 return -EINVAL;
944
945 f->frequency = core->freq;
946 call_all(core, tuner, g_frequency, f);
947
948 return 0;
949 }
950
vidioc_g_input(struct file * file,void * priv,unsigned int * i)951 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
952 {
953 struct cx8802_dev *dev = video_drvdata(file);
954 struct cx88_core *core = dev->core;
955
956 *i = core->input;
957 return 0;
958 }
959
vidioc_s_input(struct file * file,void * priv,unsigned int i)960 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
961 {
962 struct cx8802_dev *dev = video_drvdata(file);
963 struct cx88_core *core = dev->core;
964
965 if (i >= 4)
966 return -EINVAL;
967 if (!INPUT(i).type)
968 return -EINVAL;
969
970 cx88_newstation(core);
971 cx88_video_mux(core, i);
972 return 0;
973 }
974
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)975 static int vidioc_g_tuner(struct file *file, void *priv,
976 struct v4l2_tuner *t)
977 {
978 struct cx8802_dev *dev = video_drvdata(file);
979 struct cx88_core *core = dev->core;
980 u32 reg;
981
982 if (unlikely(core->board.tuner_type == UNSET))
983 return -EINVAL;
984 if (t->index != 0)
985 return -EINVAL;
986
987 strscpy(t->name, "Television", sizeof(t->name));
988 t->capability = V4L2_TUNER_CAP_NORM;
989 t->rangehigh = 0xffffffffUL;
990 call_all(core, tuner, g_tuner, t);
991
992 cx88_get_stereo(core, t);
993 reg = cx_read(MO_DEVICE_STATUS);
994 t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
995 return 0;
996 }
997
vidioc_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)998 static int vidioc_s_tuner(struct file *file, void *priv,
999 const struct v4l2_tuner *t)
1000 {
1001 struct cx8802_dev *dev = video_drvdata(file);
1002 struct cx88_core *core = dev->core;
1003
1004 if (core->board.tuner_type == UNSET)
1005 return -EINVAL;
1006 if (t->index != 0)
1007 return -EINVAL;
1008
1009 cx88_set_stereo(core, t->audmode, 1);
1010 return 0;
1011 }
1012
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * tvnorm)1013 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1014 {
1015 struct cx8802_dev *dev = video_drvdata(file);
1016 struct cx88_core *core = dev->core;
1017
1018 *tvnorm = core->tvnorm;
1019 return 0;
1020 }
1021
vidioc_s_std(struct file * file,void * priv,v4l2_std_id id)1022 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1023 {
1024 struct cx8802_dev *dev = video_drvdata(file);
1025 struct cx88_core *core = dev->core;
1026
1027 return cx88_set_tvnorm(core, id);
1028 }
1029
1030 static const struct v4l2_file_operations mpeg_fops = {
1031 .owner = THIS_MODULE,
1032 .open = v4l2_fh_open,
1033 .release = vb2_fop_release,
1034 .read = vb2_fop_read,
1035 .poll = vb2_fop_poll,
1036 .mmap = vb2_fop_mmap,
1037 .unlocked_ioctl = video_ioctl2,
1038 };
1039
1040 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1041 .vidioc_querycap = vidioc_querycap,
1042 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1043 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1044 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1045 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1046 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1047 .vidioc_querybuf = vb2_ioctl_querybuf,
1048 .vidioc_qbuf = vb2_ioctl_qbuf,
1049 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1050 .vidioc_streamon = vb2_ioctl_streamon,
1051 .vidioc_streamoff = vb2_ioctl_streamoff,
1052 .vidioc_s_frequency = vidioc_s_frequency,
1053 .vidioc_log_status = vidioc_log_status,
1054 .vidioc_enum_input = vidioc_enum_input,
1055 .vidioc_g_frequency = vidioc_g_frequency,
1056 .vidioc_g_input = vidioc_g_input,
1057 .vidioc_s_input = vidioc_s_input,
1058 .vidioc_g_tuner = vidioc_g_tuner,
1059 .vidioc_s_tuner = vidioc_s_tuner,
1060 .vidioc_g_std = vidioc_g_std,
1061 .vidioc_s_std = vidioc_s_std,
1062 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1063 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1064 };
1065
1066 static const struct video_device cx8802_mpeg_template = {
1067 .name = "cx8802",
1068 .fops = &mpeg_fops,
1069 .ioctl_ops = &mpeg_ioctl_ops,
1070 .tvnorms = CX88_NORMS,
1071 };
1072
1073 /* ------------------------------------------------------------------ */
1074
1075 /* The CX8802 MPEG API will call this when we can use the hardware */
cx8802_blackbird_advise_acquire(struct cx8802_driver * drv)1076 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1077 {
1078 struct cx88_core *core = drv->core;
1079 int err = 0;
1080
1081 switch (core->boardnr) {
1082 case CX88_BOARD_HAUPPAUGE_HVR1300:
1083 /*
1084 * By default, core setup will leave the cx22702 out of reset,
1085 * on the bus.
1086 * We left the hardware on power up with the cx22702 active.
1087 * We're being given access to re-arrange the GPIOs.
1088 * Take the bus off the cx22702 and put the cx23416 on it.
1089 */
1090 /* Toggle reset on cx22702 leaving i2c active */
1091 cx_set(MO_GP0_IO, 0x00000080);
1092 udelay(1000);
1093 cx_clear(MO_GP0_IO, 0x00000080);
1094 udelay(50);
1095 cx_set(MO_GP0_IO, 0x00000080);
1096 udelay(1000);
1097 /* tri-state the cx22702 pins */
1098 cx_set(MO_GP0_IO, 0x00000004);
1099 udelay(1000);
1100 break;
1101 default:
1102 err = -ENODEV;
1103 }
1104 return err;
1105 }
1106
1107 /* The CX8802 MPEG API will call this when we need to release the hardware */
cx8802_blackbird_advise_release(struct cx8802_driver * drv)1108 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1109 {
1110 struct cx88_core *core = drv->core;
1111 int err = 0;
1112
1113 switch (core->boardnr) {
1114 case CX88_BOARD_HAUPPAUGE_HVR1300:
1115 /* Exit leaving the cx23416 on the bus */
1116 break;
1117 default:
1118 err = -ENODEV;
1119 }
1120 return err;
1121 }
1122
blackbird_unregister_video(struct cx8802_dev * dev)1123 static void blackbird_unregister_video(struct cx8802_dev *dev)
1124 {
1125 video_unregister_device(&dev->mpeg_dev);
1126 }
1127
blackbird_register_video(struct cx8802_dev * dev)1128 static int blackbird_register_video(struct cx8802_dev *dev)
1129 {
1130 int err;
1131
1132 cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1133 &cx8802_mpeg_template, "mpeg");
1134 dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1135 video_set_drvdata(&dev->mpeg_dev, dev);
1136 dev->mpeg_dev.queue = &dev->vb2_mpegq;
1137 dev->mpeg_dev.device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1138 V4L2_CAP_VIDEO_CAPTURE;
1139 if (dev->core->board.tuner_type != UNSET)
1140 dev->mpeg_dev.device_caps |= V4L2_CAP_TUNER;
1141 err = video_register_device(&dev->mpeg_dev, VFL_TYPE_VIDEO, -1);
1142 if (err < 0) {
1143 pr_info("can't register mpeg device\n");
1144 return err;
1145 }
1146 pr_info("registered device %s [mpeg]\n",
1147 video_device_node_name(&dev->mpeg_dev));
1148 return 0;
1149 }
1150
1151 /* ----------------------------------------------------------- */
1152
cx8802_blackbird_probe(struct cx8802_driver * drv)1153 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1154 {
1155 struct cx88_core *core = drv->core;
1156 struct cx8802_dev *dev = core->dvbdev;
1157 struct vb2_queue *q;
1158 int err;
1159
1160 dprintk(1, "%s\n", __func__);
1161 dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1162 core->boardnr,
1163 core->name,
1164 core->pci_bus,
1165 core->pci_slot);
1166
1167 err = -ENODEV;
1168 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1169 goto fail_core;
1170
1171 dev->cxhdl.port = CX2341X_PORT_STREAMING;
1172 dev->cxhdl.width = core->width;
1173 dev->cxhdl.height = core->height;
1174 dev->cxhdl.func = blackbird_mbox_func;
1175 dev->cxhdl.priv = dev;
1176 err = cx2341x_handler_init(&dev->cxhdl, 36);
1177 if (err)
1178 goto fail_core;
1179 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL, false);
1180
1181 /* blackbird stuff */
1182 pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
1183 host_setup(dev->core);
1184
1185 blackbird_initialize_codec(dev);
1186
1187 /* initial device configuration: needed ? */
1188 // init_controls(core);
1189 cx88_set_tvnorm(core, core->tvnorm);
1190 cx88_video_mux(core, 0);
1191 cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1192 cx2341x_handler_setup(&dev->cxhdl);
1193
1194 q = &dev->vb2_mpegq;
1195 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1196 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1197 q->gfp_flags = GFP_DMA32;
1198 q->min_queued_buffers = 2;
1199 q->drv_priv = dev;
1200 q->buf_struct_size = sizeof(struct cx88_buffer);
1201 q->ops = &blackbird_qops;
1202 q->mem_ops = &vb2_dma_sg_memops;
1203 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1204 q->lock = &core->lock;
1205 q->dev = &dev->pci->dev;
1206
1207 err = vb2_queue_init(q);
1208 if (err < 0)
1209 goto fail_core;
1210
1211 blackbird_register_video(dev);
1212
1213 return 0;
1214
1215 fail_core:
1216 return err;
1217 }
1218
cx8802_blackbird_remove(struct cx8802_driver * drv)1219 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1220 {
1221 struct cx88_core *core = drv->core;
1222 struct cx8802_dev *dev = core->dvbdev;
1223
1224 /* blackbird */
1225 blackbird_unregister_video(drv->core->dvbdev);
1226 v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1227
1228 return 0;
1229 }
1230
1231 static struct cx8802_driver cx8802_blackbird_driver = {
1232 .type_id = CX88_MPEG_BLACKBIRD,
1233 .hw_access = CX8802_DRVCTL_SHARED,
1234 .probe = cx8802_blackbird_probe,
1235 .remove = cx8802_blackbird_remove,
1236 .advise_acquire = cx8802_blackbird_advise_acquire,
1237 .advise_release = cx8802_blackbird_advise_release,
1238 };
1239
blackbird_init(void)1240 static int __init blackbird_init(void)
1241 {
1242 pr_info("cx2388x blackbird driver version %s loaded\n",
1243 CX88_VERSION);
1244 return cx8802_register_driver(&cx8802_blackbird_driver);
1245 }
1246
blackbird_fini(void)1247 static void __exit blackbird_fini(void)
1248 {
1249 cx8802_unregister_driver(&cx8802_blackbird_driver);
1250 }
1251
1252 module_init(blackbird_init);
1253 module_exit(blackbird_fini);
1254