1 /*
2  *  Support for a cx23416 mpeg encoder via cx2388x host port.
3  *  "blackbird" reference design.
4  *
5  *    (c) 2004 Jelle Foks <jelle@foks.us>
6  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
7  *
8  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9  *        - video_ioctl2 conversion
10  *
11  *  Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
12  *
13  *  This program is free software; you can redistribute it and/or modify
14  *  it under the terms of the GNU General Public License as published by
15  *  the Free Software Foundation; either version 2 of the License, or
16  *  (at your option) any later version.
17  *
18  *  This program is distributed in the hope that it will be useful,
19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *  GNU General Public License for more details.
22  */
23 
24 #include "cx88.h"
25 
26 #include <linux/module.h>
27 #include <linux/init.h>
28 #include <linux/slab.h>
29 #include <linux/fs.h>
30 #include <linux/delay.h>
31 #include <linux/device.h>
32 #include <linux/firmware.h>
33 #include <media/v4l2-common.h>
34 #include <media/v4l2-ioctl.h>
35 #include <media/v4l2-event.h>
36 #include <media/drv-intf/cx2341x.h>
37 
38 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
39 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
41 MODULE_VERSION(CX88_VERSION);
42 
43 static unsigned int debug;
44 module_param(debug, int, 0644);
45 MODULE_PARM_DESC(debug, "enable debug messages [blackbird]");
46 
47 #define dprintk(level, fmt, arg...) do {				\
48 	if (debug + 1 > level)						\
49 		printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt),		\
50 			__func__, ##arg);				\
51 } while (0)
52 
53 /* ------------------------------------------------------------------ */
54 
55 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
56 
57 /* defines below are from ivtv-driver.h */
58 
59 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
60 
61 /* Firmware API commands */
62 #define IVTV_API_STD_TIMEOUT 500
63 
64 enum blackbird_capture_type {
65 	BLACKBIRD_MPEG_CAPTURE,
66 	BLACKBIRD_RAW_CAPTURE,
67 	BLACKBIRD_RAW_PASSTHRU_CAPTURE
68 };
69 
70 enum blackbird_capture_bits {
71 	BLACKBIRD_RAW_BITS_NONE             = 0x00,
72 	BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
73 	BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
74 	BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
75 	BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
76 	BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
77 };
78 
79 enum blackbird_capture_end {
80 	BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
81 	BLACKBIRD_END_NOW, /* stop immediately, no irq */
82 };
83 
84 enum blackbird_framerate {
85 	BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
86 	BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
87 };
88 
89 enum blackbird_stream_port {
90 	BLACKBIRD_OUTPUT_PORT_MEMORY,
91 	BLACKBIRD_OUTPUT_PORT_STREAMING,
92 	BLACKBIRD_OUTPUT_PORT_SERIAL
93 };
94 
95 enum blackbird_data_xfer_status {
96 	BLACKBIRD_MORE_BUFFERS_FOLLOW,
97 	BLACKBIRD_LAST_BUFFER,
98 };
99 
100 enum blackbird_picture_mask {
101 	BLACKBIRD_PICTURE_MASK_NONE,
102 	BLACKBIRD_PICTURE_MASK_I_FRAMES,
103 	BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
104 	BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
105 };
106 
107 enum blackbird_vbi_mode_bits {
108 	BLACKBIRD_VBI_BITS_SLICED,
109 	BLACKBIRD_VBI_BITS_RAW,
110 };
111 
112 enum 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 };
119 
120 enum blackbird_dma_unit {
121 	BLACKBIRD_DMA_BYTES,
122 	BLACKBIRD_DMA_FRAMES,
123 };
124 
125 enum blackbird_dma_transfer_status_bits {
126 	BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
127 	BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
128 	BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
129 };
130 
131 enum blackbird_pause {
132 	BLACKBIRD_PAUSE_ENCODING,
133 	BLACKBIRD_RESUME_ENCODING,
134 };
135 
136 enum blackbird_copyright {
137 	BLACKBIRD_COPYRIGHT_OFF,
138 	BLACKBIRD_COPYRIGHT_ON,
139 };
140 
141 enum blackbird_notification_type {
142 	BLACKBIRD_NOTIFICATION_REFRESH,
143 };
144 
145 enum blackbird_notification_status {
146 	BLACKBIRD_NOTIFICATION_OFF,
147 	BLACKBIRD_NOTIFICATION_ON,
148 };
149 
150 enum blackbird_notification_mailbox {
151 	BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
152 };
153 
154 enum blackbird_field1_lines {
155 	BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
156 	BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
157 	BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
158 };
159 
160 enum blackbird_field2_lines {
161 	BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
162 	BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
163 	BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
164 };
165 
166 enum blackbird_custom_data_type {
167 	BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
168 	BLACKBIRD_CUSTOM_PRIVATE_PACKET,
169 };
170 
171 enum blackbird_mute {
172 	BLACKBIRD_UNMUTE,
173 	BLACKBIRD_MUTE,
174 };
175 
176 enum blackbird_mute_video_mask {
177 	BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
178 	BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
179 	BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
180 };
181 
182 enum blackbird_mute_video_shift {
183 	BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
184 	BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
185 	BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
186 };
187 
188 /* Registers */
189 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
190 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
191 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
192 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
193 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
194 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
195 
196 /* ------------------------------------------------------------------ */
197 
198 static void host_setup(struct cx88_core *core)
199 {
200 	/* toggle reset of the host */
201 	cx_write(MO_GPHST_SOFT_RST, 1);
202 	udelay(100);
203 	cx_write(MO_GPHST_SOFT_RST, 0);
204 	udelay(100);
205 
206 	/* host port setup */
207 	cx_write(MO_GPHST_WSC, 0x44444444U);
208 	cx_write(MO_GPHST_XFR, 0);
209 	cx_write(MO_GPHST_WDTH, 15);
210 	cx_write(MO_GPHST_HDSHK, 0);
211 	cx_write(MO_GPHST_MUX16, 0x44448888U);
212 	cx_write(MO_GPHST_MODE, 0);
213 }
214 
215 /* ------------------------------------------------------------------ */
216 
217 #define P1_MDATA0 0x390000
218 #define P1_MDATA1 0x390001
219 #define P1_MDATA2 0x390002
220 #define P1_MDATA3 0x390003
221 #define P1_MADDR2 0x390004
222 #define P1_MADDR1 0x390005
223 #define P1_MADDR0 0x390006
224 #define P1_RDATA0 0x390008
225 #define P1_RDATA1 0x390009
226 #define P1_RDATA2 0x39000A
227 #define P1_RDATA3 0x39000B
228 #define P1_RADDR0 0x39000C
229 #define P1_RADDR1 0x39000D
230 #define P1_RRDWR  0x39000E
231 
232 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
233 {
234 	unsigned long timeout = jiffies + msecs_to_jiffies(1);
235 	u32 gpio0, need;
236 
237 	need = state ? 2 : 0;
238 	for (;;) {
239 		gpio0 = cx_read(MO_GP0_IO) & 2;
240 		if (need == gpio0)
241 			return 0;
242 		if (time_after(jiffies, timeout))
243 			return -1;
244 		udelay(1);
245 	}
246 }
247 
248 static int memory_write(struct cx88_core *core, u32 address, u32 value)
249 {
250 	/* Warning: address is dword address (4 bytes) */
251 	cx_writeb(P1_MDATA0, (unsigned int)value);
252 	cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
253 	cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
254 	cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
255 	cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
256 	cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
257 	cx_writeb(P1_MADDR0, (unsigned int)address);
258 	cx_read(P1_MDATA0);
259 	cx_read(P1_MADDR0);
260 
261 	return wait_ready_gpio0_bit1(core, 1);
262 }
263 
264 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
265 {
266 	int retval;
267 	u32 val;
268 
269 	/* Warning: address is dword address (4 bytes) */
270 	cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
271 	cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
272 	cx_writeb(P1_MADDR0, (unsigned int)address);
273 	cx_read(P1_MADDR0);
274 
275 	retval = wait_ready_gpio0_bit1(core, 1);
276 
277 	cx_writeb(P1_MDATA3, 0);
278 	val     = (unsigned char)cx_read(P1_MDATA3) << 24;
279 	cx_writeb(P1_MDATA2, 0);
280 	val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
281 	cx_writeb(P1_MDATA1, 0);
282 	val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
283 	cx_writeb(P1_MDATA0, 0);
284 	val    |= (unsigned char)cx_read(P1_MDATA0);
285 
286 	*value  = val;
287 	return retval;
288 }
289 
290 static int register_write(struct cx88_core *core, u32 address, u32 value)
291 {
292 	cx_writeb(P1_RDATA0, (unsigned int)value);
293 	cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
294 	cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
295 	cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
296 	cx_writeb(P1_RADDR0, (unsigned int)address);
297 	cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
298 	cx_writeb(P1_RRDWR, 1);
299 	cx_read(P1_RDATA0);
300 	cx_read(P1_RADDR0);
301 
302 	return wait_ready_gpio0_bit1(core, 1);
303 }
304 
305 static int register_read(struct cx88_core *core, u32 address, u32 *value)
306 {
307 	int retval;
308 	u32 val;
309 
310 	cx_writeb(P1_RADDR0, (unsigned int)address);
311 	cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
312 	cx_writeb(P1_RRDWR, 0);
313 	cx_read(P1_RADDR0);
314 
315 	retval  = wait_ready_gpio0_bit1(core, 1);
316 	val     = (unsigned char)cx_read(P1_RDATA0);
317 	val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
318 	val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
319 	val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
320 
321 	*value  = val;
322 	return retval;
323 }
324 
325 /* ------------------------------------------------------------------ */
326 
327 static int blackbird_mbox_func(void *priv, u32 command, int in,
328 			       int out, u32 data[CX2341X_MBOX_MAX_DATA])
329 {
330 	struct cx8802_dev *dev = priv;
331 	unsigned long timeout;
332 	u32 value, flag, retval;
333 	int i;
334 
335 	dprintk(1, "%s: 0x%X\n", __func__, command);
336 
337 	/*
338 	 * this may not be 100% safe if we can't read any memory location
339 	 * without side effects
340 	 */
341 	memory_read(dev->core, dev->mailbox - 4, &value);
342 	if (value != 0x12345678) {
343 		dprintk(0,
344 			"Firmware and/or mailbox pointer not initialized or corrupted\n");
345 		return -EIO;
346 	}
347 
348 	memory_read(dev->core, dev->mailbox, &flag);
349 	if (flag) {
350 		dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
351 		return -EIO;
352 	}
353 
354 	flag |= 1; /* tell 'em we're working on it */
355 	memory_write(dev->core, dev->mailbox, flag);
356 
357 	/* write command + args + fill remaining with zeros */
358 	memory_write(dev->core, dev->mailbox + 1, command); /* command code */
359 	/* timeout */
360 	memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT);
361 	for (i = 0; i < in; i++) {
362 		memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
363 		dprintk(1, "API Input %d = %d\n", i, data[i]);
364 	}
365 	for (; i < CX2341X_MBOX_MAX_DATA; i++)
366 		memory_write(dev->core, dev->mailbox + 4 + i, 0);
367 
368 	flag |= 3; /* tell 'em we're done writing */
369 	memory_write(dev->core, dev->mailbox, flag);
370 
371 	/* wait for firmware to handle the API command */
372 	timeout = jiffies + msecs_to_jiffies(1000);
373 	for (;;) {
374 		memory_read(dev->core, dev->mailbox, &flag);
375 		if (0 != (flag & 4))
376 			break;
377 		if (time_after(jiffies, timeout)) {
378 			dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
379 			return -EIO;
380 		}
381 		udelay(10);
382 	}
383 
384 	/* read output values */
385 	for (i = 0; i < out; i++) {
386 		memory_read(dev->core, dev->mailbox + 4 + i, data + i);
387 		dprintk(1, "API Output %d = %d\n", i, data[i]);
388 	}
389 
390 	memory_read(dev->core, dev->mailbox + 2, &retval);
391 	dprintk(1, "API result = %d\n", retval);
392 
393 	flag = 0;
394 	memory_write(dev->core, dev->mailbox, flag);
395 	return retval;
396 }
397 
398 /* ------------------------------------------------------------------ */
399 
400 /*
401  * We don't need to call the API often, so using just one mailbox
402  * will probably suffice
403  */
404 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
405 			     u32 inputcnt, u32 outputcnt, ...)
406 {
407 	u32 data[CX2341X_MBOX_MAX_DATA];
408 	va_list vargs;
409 	int i, err;
410 
411 	va_start(vargs, outputcnt);
412 
413 	for (i = 0; i < inputcnt; i++)
414 		data[i] = va_arg(vargs, int);
415 
416 	err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
417 	for (i = 0; i < outputcnt; i++) {
418 		int *vptr = va_arg(vargs, int *);
419 		*vptr = data[i];
420 	}
421 	va_end(vargs);
422 	return err;
423 }
424 
425 static int blackbird_find_mailbox(struct cx8802_dev *dev)
426 {
427 	u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
428 	int signaturecnt = 0;
429 	u32 value;
430 	int i;
431 
432 	for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
433 		memory_read(dev->core, i, &value);
434 		if (value == signature[signaturecnt])
435 			signaturecnt++;
436 		else
437 			signaturecnt = 0;
438 		if (signaturecnt == 4) {
439 			dprintk(1, "Mailbox signature found\n");
440 			return i + 1;
441 		}
442 	}
443 	dprintk(0, "Mailbox signature values not found!\n");
444 	return -EIO;
445 }
446 
447 static int blackbird_load_firmware(struct cx8802_dev *dev)
448 {
449 	static const unsigned char magic[8] = {
450 		0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
451 	};
452 	const struct firmware *firmware;
453 	int i, retval = 0;
454 	u32 value = 0;
455 	u32 checksum = 0;
456 	__le32 *dataptr;
457 
458 	retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
459 	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
460 				 IVTV_CMD_HW_BLOCKS_RST);
461 	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
462 				 0x80000640);
463 	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
464 				 0x1A);
465 	usleep_range(10000, 20000);
466 	retval |= register_write(dev->core, IVTV_REG_APU, 0);
467 
468 	if (retval < 0)
469 		dprintk(0, "Error with register_write\n");
470 
471 	retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
472 				  &dev->pci->dev);
473 
474 	if (retval != 0) {
475 		pr_err("Hotplug firmware request failed (%s).\n",
476 		       CX2341X_FIRM_ENC_FILENAME);
477 		pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
478 		return -EIO;
479 	}
480 
481 	if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
482 		pr_err("Firmware size mismatch (have %zd, expected %d)\n",
483 		       firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
484 		release_firmware(firmware);
485 		return -EINVAL;
486 	}
487 
488 	if (memcmp(firmware->data, magic, 8) != 0) {
489 		pr_err("Firmware magic mismatch, wrong file?\n");
490 		release_firmware(firmware);
491 		return -EINVAL;
492 	}
493 
494 	/* transfer to the chip */
495 	dprintk(1, "Loading firmware ...\n");
496 	dataptr = (__le32 *)firmware->data;
497 	for (i = 0; i < (firmware->size >> 2); i++) {
498 		value = le32_to_cpu(*dataptr);
499 		checksum += ~value;
500 		memory_write(dev->core, i, value);
501 		dataptr++;
502 	}
503 
504 	/* read back to verify with the checksum */
505 	for (i--; i >= 0; i--) {
506 		memory_read(dev->core, i, &value);
507 		checksum -= ~value;
508 	}
509 	release_firmware(firmware);
510 	if (checksum) {
511 		pr_err("Firmware load might have failed (checksum mismatch).\n");
512 		return -EIO;
513 	}
514 	dprintk(0, "Firmware upload successful.\n");
515 
516 	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
517 				 IVTV_CMD_HW_BLOCKS_RST);
518 	retval |= register_read(dev->core, IVTV_REG_SPU, &value);
519 	retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
520 	usleep_range(10000, 20000);
521 
522 	retval |= register_read(dev->core, IVTV_REG_VPU, &value);
523 	retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
524 
525 	if (retval < 0)
526 		dprintk(0, "Error with register_write\n");
527 	return 0;
528 }
529 
530 /*
531  * Settings used by the windows tv app for PVR2000:
532  * =================================================================================================================
533  * Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
534  * -----------------------------------------------------------------------------------------------------------------
535  * MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
536  * MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
537  * VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
538  * DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
539  * DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
540  * =================================================================================================================
541  * [*] DB: "DirectBurn"
542  */
543 
544 static void blackbird_codec_settings(struct cx8802_dev *dev)
545 {
546 	struct cx88_core *core = dev->core;
547 
548 	/* assign frame size */
549 	blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
550 			  core->height, core->width);
551 
552 	dev->cxhdl.width = core->width;
553 	dev->cxhdl.height = core->height;
554 	cx2341x_handler_set_50hz(&dev->cxhdl,
555 				 dev->core->tvnorm & V4L2_STD_625_50);
556 	cx2341x_handler_setup(&dev->cxhdl);
557 }
558 
559 static int blackbird_initialize_codec(struct cx8802_dev *dev)
560 {
561 	struct cx88_core *core = dev->core;
562 	int version;
563 	int retval;
564 
565 	dprintk(1, "Initialize codec\n");
566 	retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
567 	if (retval < 0) {
568 		/* ping was not successful, reset and upload firmware */
569 		cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
570 		cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
571 		retval = blackbird_load_firmware(dev);
572 		if (retval < 0)
573 			return retval;
574 
575 		retval = blackbird_find_mailbox(dev);
576 		if (retval < 0)
577 			return -1;
578 
579 		dev->mailbox = retval;
580 
581 		/* ping */
582 		retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
583 		if (retval < 0) {
584 			dprintk(0, "ERROR: Firmware ping failed!\n");
585 			return -1;
586 		}
587 
588 		retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION,
589 					   0, 1, &version);
590 		if (retval < 0) {
591 			dprintk(0,
592 				"ERROR: Firmware get encoder version failed!\n");
593 			return -1;
594 		}
595 		dprintk(0, "Firmware version is 0x%08x\n", version);
596 	}
597 
598 	cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
599 	cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
600 	cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
601 	cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
602 
603 	blackbird_codec_settings(dev);
604 
605 	blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
606 			  BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
607 
608 	blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
609 			  BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
610 			  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
611 
612 	return 0;
613 }
614 
615 static int blackbird_start_codec(struct cx8802_dev *dev)
616 {
617 	struct cx88_core *core = dev->core;
618 	/* start capturing to the host interface */
619 	u32 reg;
620 
621 	int i;
622 	int lastchange = -1;
623 	int lastval = 0;
624 
625 	for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
626 		reg = cx_read(AUD_STATUS);
627 
628 		dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
629 		if ((reg & 0x0F) != lastval) {
630 			lastval = reg & 0x0F;
631 			lastchange = i;
632 		}
633 		msleep(100);
634 	}
635 
636 	/* unmute audio source */
637 	cx_clear(AUD_VOL_CTL, (1 << 6));
638 
639 	blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
640 
641 	/* initialize the video input */
642 	blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
643 
644 	cx2341x_handler_set_busy(&dev->cxhdl, 1);
645 
646 	/* start capturing to the host interface */
647 	blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
648 			  BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
649 
650 	return 0;
651 }
652 
653 static int blackbird_stop_codec(struct cx8802_dev *dev)
654 {
655 	blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
656 			  BLACKBIRD_END_NOW,
657 			  BLACKBIRD_MPEG_CAPTURE,
658 			  BLACKBIRD_RAW_BITS_NONE);
659 
660 	cx2341x_handler_set_busy(&dev->cxhdl, 0);
661 
662 	return 0;
663 }
664 
665 /* ------------------------------------------------------------------ */
666 
667 static int queue_setup(struct vb2_queue *q,
668 		       unsigned int *num_buffers, unsigned int *num_planes,
669 		       unsigned int sizes[], struct device *alloc_devs[])
670 {
671 	struct cx8802_dev *dev = q->drv_priv;
672 
673 	*num_planes = 1;
674 	dev->ts_packet_size  = 188 * 4;
675 	dev->ts_packet_count  = 32;
676 	sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
677 	return 0;
678 }
679 
680 static int buffer_prepare(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 
686 	return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
687 }
688 
689 static void buffer_finish(struct vb2_buffer *vb)
690 {
691 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
692 	struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
693 	struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
694 	struct cx88_riscmem *risc = &buf->risc;
695 
696 	if (risc->cpu)
697 		pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
698 	memset(risc, 0, sizeof(*risc));
699 }
700 
701 static void buffer_queue(struct vb2_buffer *vb)
702 {
703 	struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
704 	struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
705 	struct cx88_buffer    *buf = container_of(vbuf, struct cx88_buffer, vb);
706 
707 	cx8802_buf_queue(dev, buf);
708 }
709 
710 static int start_streaming(struct vb2_queue *q, unsigned int count)
711 {
712 	struct cx8802_dev *dev = q->drv_priv;
713 	struct cx88_dmaqueue *dmaq = &dev->mpegq;
714 	struct cx8802_driver *drv;
715 	struct cx88_buffer *buf;
716 	unsigned long flags;
717 	int err;
718 
719 	/* Make sure we can acquire the hardware */
720 	drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
721 	if (!drv) {
722 		dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
723 		err = -ENODEV;
724 		goto fail;
725 	}
726 
727 	err = drv->request_acquire(drv);
728 	if (err != 0) {
729 		dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
730 			err);
731 		goto fail;
732 	}
733 
734 	if (blackbird_initialize_codec(dev) < 0) {
735 		drv->request_release(drv);
736 		err = -EINVAL;
737 		goto fail;
738 	}
739 
740 	err = blackbird_start_codec(dev);
741 	if (err == 0) {
742 		buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
743 		cx8802_start_dma(dev, dmaq, buf);
744 		return 0;
745 	}
746 
747 fail:
748 	spin_lock_irqsave(&dev->slock, flags);
749 	while (!list_empty(&dmaq->active)) {
750 		struct cx88_buffer *buf = list_entry(dmaq->active.next,
751 			struct cx88_buffer, list);
752 
753 		list_del(&buf->list);
754 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
755 	}
756 	spin_unlock_irqrestore(&dev->slock, flags);
757 	return err;
758 }
759 
760 static void stop_streaming(struct vb2_queue *q)
761 {
762 	struct cx8802_dev *dev = q->drv_priv;
763 	struct cx88_dmaqueue *dmaq = &dev->mpegq;
764 	struct cx8802_driver *drv = NULL;
765 	unsigned long flags;
766 
767 	cx8802_cancel_buffers(dev);
768 	blackbird_stop_codec(dev);
769 
770 	/* Make sure we release the hardware */
771 	drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
772 	WARN_ON(!drv);
773 	if (drv)
774 		drv->request_release(drv);
775 
776 	spin_lock_irqsave(&dev->slock, flags);
777 	while (!list_empty(&dmaq->active)) {
778 		struct cx88_buffer *buf = list_entry(dmaq->active.next,
779 			struct cx88_buffer, list);
780 
781 		list_del(&buf->list);
782 		vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
783 	}
784 	spin_unlock_irqrestore(&dev->slock, flags);
785 }
786 
787 static const struct vb2_ops blackbird_qops = {
788 	.queue_setup    = queue_setup,
789 	.buf_prepare  = buffer_prepare,
790 	.buf_finish = buffer_finish,
791 	.buf_queue    = buffer_queue,
792 	.wait_prepare = vb2_ops_wait_prepare,
793 	.wait_finish = vb2_ops_wait_finish,
794 	.start_streaming = start_streaming,
795 	.stop_streaming = stop_streaming,
796 };
797 
798 /* ------------------------------------------------------------------ */
799 
800 static int vidioc_querycap(struct file *file, void  *priv,
801 			   struct v4l2_capability *cap)
802 {
803 	struct cx8802_dev *dev = video_drvdata(file);
804 	struct cx88_core *core = dev->core;
805 
806 	strcpy(cap->driver, "cx88_blackbird");
807 	sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
808 	return cx88_querycap(file, core, cap);
809 }
810 
811 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
812 				   struct v4l2_fmtdesc *f)
813 {
814 	if (f->index != 0)
815 		return -EINVAL;
816 
817 	strlcpy(f->description, "MPEG", sizeof(f->description));
818 	f->pixelformat = V4L2_PIX_FMT_MPEG;
819 	f->flags = V4L2_FMT_FLAG_COMPRESSED;
820 	return 0;
821 }
822 
823 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
824 				struct v4l2_format *f)
825 {
826 	struct cx8802_dev *dev = video_drvdata(file);
827 	struct cx88_core *core = dev->core;
828 
829 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
830 	f->fmt.pix.bytesperline = 0;
831 	f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
832 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
833 	f->fmt.pix.width        = core->width;
834 	f->fmt.pix.height       = core->height;
835 	f->fmt.pix.field        = core->field;
836 	return 0;
837 }
838 
839 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
840 				  struct v4l2_format *f)
841 {
842 	struct cx8802_dev *dev = video_drvdata(file);
843 	struct cx88_core *core = dev->core;
844 	unsigned int maxw, maxh;
845 	enum v4l2_field field;
846 
847 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
848 	f->fmt.pix.bytesperline = 0;
849 	f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
850 	f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
851 
852 	maxw = norm_maxw(core->tvnorm);
853 	maxh = norm_maxh(core->tvnorm);
854 
855 	field = f->fmt.pix.field;
856 
857 	switch (field) {
858 	case V4L2_FIELD_TOP:
859 	case V4L2_FIELD_BOTTOM:
860 	case V4L2_FIELD_INTERLACED:
861 	case V4L2_FIELD_SEQ_BT:
862 	case V4L2_FIELD_SEQ_TB:
863 		break;
864 	default:
865 		field = (f->fmt.pix.height > maxh / 2)
866 			? V4L2_FIELD_INTERLACED
867 			: V4L2_FIELD_BOTTOM;
868 		break;
869 	}
870 	if (V4L2_FIELD_HAS_T_OR_B(field))
871 		maxh /= 2;
872 
873 	v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
874 			      &f->fmt.pix.height, 32, maxh, 0, 0);
875 	f->fmt.pix.field = field;
876 	return 0;
877 }
878 
879 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
880 				struct v4l2_format *f)
881 {
882 	struct cx8802_dev *dev = video_drvdata(file);
883 	struct cx88_core  *core = dev->core;
884 
885 	if (vb2_is_busy(&dev->vb2_mpegq))
886 		return -EBUSY;
887 	if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
888 			     vb2_is_busy(&core->v4ldev->vb2_vbiq)))
889 		return -EBUSY;
890 	vidioc_try_fmt_vid_cap(file, priv, f);
891 	core->width = f->fmt.pix.width;
892 	core->height = f->fmt.pix.height;
893 	core->field = f->fmt.pix.field;
894 	cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
895 		       f->fmt.pix.field);
896 	blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
897 			  f->fmt.pix.height, f->fmt.pix.width);
898 	return 0;
899 }
900 
901 static int vidioc_s_frequency(struct file *file, void *priv,
902 			      const struct v4l2_frequency *f)
903 {
904 	struct cx8802_dev *dev = video_drvdata(file);
905 	struct cx88_core *core = dev->core;
906 	bool streaming;
907 
908 	if (unlikely(core->board.tuner_type == UNSET))
909 		return -EINVAL;
910 	if (unlikely(f->tuner != 0))
911 		return -EINVAL;
912 	streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
913 	if (streaming)
914 		blackbird_stop_codec(dev);
915 
916 	cx88_set_freq(core, f);
917 	blackbird_initialize_codec(dev);
918 	cx88_set_scale(core, core->width, core->height, core->field);
919 	if (streaming)
920 		blackbird_start_codec(dev);
921 	return 0;
922 }
923 
924 static int vidioc_log_status(struct file *file, void *priv)
925 {
926 	struct cx8802_dev *dev = video_drvdata(file);
927 	struct cx88_core *core = dev->core;
928 	char name[32 + 2];
929 
930 	snprintf(name, sizeof(name), "%s/2", core->name);
931 	call_all(core, core, log_status);
932 	v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
933 	return 0;
934 }
935 
936 static int vidioc_enum_input(struct file *file, void *priv,
937 			     struct v4l2_input *i)
938 {
939 	struct cx8802_dev *dev = video_drvdata(file);
940 	struct cx88_core *core = dev->core;
941 
942 	return cx88_enum_input(core, i);
943 }
944 
945 static int vidioc_g_frequency(struct file *file, void *priv,
946 			      struct v4l2_frequency *f)
947 {
948 	struct cx8802_dev *dev = video_drvdata(file);
949 	struct cx88_core *core = dev->core;
950 
951 	if (unlikely(core->board.tuner_type == UNSET))
952 		return -EINVAL;
953 	if (unlikely(f->tuner != 0))
954 		return -EINVAL;
955 
956 	f->frequency = core->freq;
957 	call_all(core, tuner, g_frequency, f);
958 
959 	return 0;
960 }
961 
962 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
963 {
964 	struct cx8802_dev *dev = video_drvdata(file);
965 	struct cx88_core *core = dev->core;
966 
967 	*i = core->input;
968 	return 0;
969 }
970 
971 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
972 {
973 	struct cx8802_dev *dev = video_drvdata(file);
974 	struct cx88_core *core = dev->core;
975 
976 	if (i >= 4)
977 		return -EINVAL;
978 	if (!INPUT(i).type)
979 		return -EINVAL;
980 
981 	cx88_newstation(core);
982 	cx88_video_mux(core, i);
983 	return 0;
984 }
985 
986 static int vidioc_g_tuner(struct file *file, void *priv,
987 			  struct v4l2_tuner *t)
988 {
989 	struct cx8802_dev *dev = video_drvdata(file);
990 	struct cx88_core *core = dev->core;
991 	u32 reg;
992 
993 	if (unlikely(core->board.tuner_type == UNSET))
994 		return -EINVAL;
995 	if (t->index != 0)
996 		return -EINVAL;
997 
998 	strcpy(t->name, "Television");
999 	t->capability = V4L2_TUNER_CAP_NORM;
1000 	t->rangehigh  = 0xffffffffUL;
1001 	call_all(core, tuner, g_tuner, t);
1002 
1003 	cx88_get_stereo(core, t);
1004 	reg = cx_read(MO_DEVICE_STATUS);
1005 	t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
1006 	return 0;
1007 }
1008 
1009 static int vidioc_s_tuner(struct file *file, void *priv,
1010 			  const struct v4l2_tuner *t)
1011 {
1012 	struct cx8802_dev *dev = video_drvdata(file);
1013 	struct cx88_core *core = dev->core;
1014 
1015 	if (core->board.tuner_type == UNSET)
1016 		return -EINVAL;
1017 	if (t->index != 0)
1018 		return -EINVAL;
1019 
1020 	cx88_set_stereo(core, t->audmode, 1);
1021 	return 0;
1022 }
1023 
1024 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1025 {
1026 	struct cx8802_dev *dev = video_drvdata(file);
1027 	struct cx88_core *core = dev->core;
1028 
1029 	*tvnorm = core->tvnorm;
1030 	return 0;
1031 }
1032 
1033 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1034 {
1035 	struct cx8802_dev *dev = video_drvdata(file);
1036 	struct cx88_core *core = dev->core;
1037 
1038 	return cx88_set_tvnorm(core, id);
1039 }
1040 
1041 static const struct v4l2_file_operations mpeg_fops = {
1042 	.owner	       = THIS_MODULE,
1043 	.open	       = v4l2_fh_open,
1044 	.release       = vb2_fop_release,
1045 	.read	       = vb2_fop_read,
1046 	.poll          = vb2_fop_poll,
1047 	.mmap	       = vb2_fop_mmap,
1048 	.unlocked_ioctl = video_ioctl2,
1049 };
1050 
1051 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1052 	.vidioc_querycap      = vidioc_querycap,
1053 	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1054 	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1055 	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1056 	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1057 	.vidioc_reqbufs       = vb2_ioctl_reqbufs,
1058 	.vidioc_querybuf      = vb2_ioctl_querybuf,
1059 	.vidioc_qbuf          = vb2_ioctl_qbuf,
1060 	.vidioc_dqbuf         = vb2_ioctl_dqbuf,
1061 	.vidioc_streamon      = vb2_ioctl_streamon,
1062 	.vidioc_streamoff     = vb2_ioctl_streamoff,
1063 	.vidioc_s_frequency   = vidioc_s_frequency,
1064 	.vidioc_log_status    = vidioc_log_status,
1065 	.vidioc_enum_input    = vidioc_enum_input,
1066 	.vidioc_g_frequency   = vidioc_g_frequency,
1067 	.vidioc_g_input       = vidioc_g_input,
1068 	.vidioc_s_input       = vidioc_s_input,
1069 	.vidioc_g_tuner       = vidioc_g_tuner,
1070 	.vidioc_s_tuner       = vidioc_s_tuner,
1071 	.vidioc_g_std         = vidioc_g_std,
1072 	.vidioc_s_std         = vidioc_s_std,
1073 	.vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1074 	.vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1075 };
1076 
1077 static const struct video_device cx8802_mpeg_template = {
1078 	.name                 = "cx8802",
1079 	.fops                 = &mpeg_fops,
1080 	.ioctl_ops	      = &mpeg_ioctl_ops,
1081 	.tvnorms              = CX88_NORMS,
1082 };
1083 
1084 /* ------------------------------------------------------------------ */
1085 
1086 /* The CX8802 MPEG API will call this when we can use the hardware */
1087 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1088 {
1089 	struct cx88_core *core = drv->core;
1090 	int err = 0;
1091 
1092 	switch (core->boardnr) {
1093 	case CX88_BOARD_HAUPPAUGE_HVR1300:
1094 		/*
1095 		 * By default, core setup will leave the cx22702 out of reset,
1096 		 * on the bus.
1097 		 * We left the hardware on power up with the cx22702 active.
1098 		 * We're being given access to re-arrange the GPIOs.
1099 		 * Take the bus off the cx22702 and put the cx23416 on it.
1100 		 */
1101 		/* Toggle reset on cx22702 leaving i2c active */
1102 		cx_set(MO_GP0_IO, 0x00000080);
1103 		udelay(1000);
1104 		cx_clear(MO_GP0_IO, 0x00000080);
1105 		udelay(50);
1106 		cx_set(MO_GP0_IO, 0x00000080);
1107 		udelay(1000);
1108 		/* tri-state the cx22702 pins */
1109 		cx_set(MO_GP0_IO, 0x00000004);
1110 		udelay(1000);
1111 		break;
1112 	default:
1113 		err = -ENODEV;
1114 	}
1115 	return err;
1116 }
1117 
1118 /* The CX8802 MPEG API will call this when we need to release the hardware */
1119 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1120 {
1121 	struct cx88_core *core = drv->core;
1122 	int err = 0;
1123 
1124 	switch (core->boardnr) {
1125 	case CX88_BOARD_HAUPPAUGE_HVR1300:
1126 		/* Exit leaving the cx23416 on the bus */
1127 		break;
1128 	default:
1129 		err = -ENODEV;
1130 	}
1131 	return err;
1132 }
1133 
1134 static void blackbird_unregister_video(struct cx8802_dev *dev)
1135 {
1136 	video_unregister_device(&dev->mpeg_dev);
1137 }
1138 
1139 static int blackbird_register_video(struct cx8802_dev *dev)
1140 {
1141 	int err;
1142 
1143 	cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1144 		       &cx8802_mpeg_template, "mpeg");
1145 	dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1146 	video_set_drvdata(&dev->mpeg_dev, dev);
1147 	dev->mpeg_dev.queue = &dev->vb2_mpegq;
1148 	err = video_register_device(&dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
1149 	if (err < 0) {
1150 		pr_info("can't register mpeg device\n");
1151 		return err;
1152 	}
1153 	pr_info("registered device %s [mpeg]\n",
1154 		video_device_node_name(&dev->mpeg_dev));
1155 	return 0;
1156 }
1157 
1158 /* ----------------------------------------------------------- */
1159 
1160 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1161 {
1162 	struct cx88_core *core = drv->core;
1163 	struct cx8802_dev *dev = core->dvbdev;
1164 	struct vb2_queue *q;
1165 	int err;
1166 
1167 	dprintk(1, "%s\n", __func__);
1168 	dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1169 		core->boardnr,
1170 		core->name,
1171 		core->pci_bus,
1172 		core->pci_slot);
1173 
1174 	err = -ENODEV;
1175 	if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1176 		goto fail_core;
1177 
1178 	dev->cxhdl.port = CX2341X_PORT_STREAMING;
1179 	dev->cxhdl.width = core->width;
1180 	dev->cxhdl.height = core->height;
1181 	dev->cxhdl.func = blackbird_mbox_func;
1182 	dev->cxhdl.priv = dev;
1183 	err = cx2341x_handler_init(&dev->cxhdl, 36);
1184 	if (err)
1185 		goto fail_core;
1186 	v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
1187 
1188 	/* blackbird stuff */
1189 	pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
1190 	host_setup(dev->core);
1191 
1192 	blackbird_initialize_codec(dev);
1193 
1194 	/* initial device configuration: needed ? */
1195 //	init_controls(core);
1196 	cx88_set_tvnorm(core, core->tvnorm);
1197 	cx88_video_mux(core, 0);
1198 	cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1199 	cx2341x_handler_setup(&dev->cxhdl);
1200 
1201 	q = &dev->vb2_mpegq;
1202 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1203 	q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1204 	q->gfp_flags = GFP_DMA32;
1205 	q->min_buffers_needed = 2;
1206 	q->drv_priv = dev;
1207 	q->buf_struct_size = sizeof(struct cx88_buffer);
1208 	q->ops = &blackbird_qops;
1209 	q->mem_ops = &vb2_dma_sg_memops;
1210 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1211 	q->lock = &core->lock;
1212 	q->dev = &dev->pci->dev;
1213 
1214 	err = vb2_queue_init(q);
1215 	if (err < 0)
1216 		goto fail_core;
1217 
1218 	blackbird_register_video(dev);
1219 
1220 	return 0;
1221 
1222 fail_core:
1223 	return err;
1224 }
1225 
1226 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1227 {
1228 	struct cx88_core *core = drv->core;
1229 	struct cx8802_dev *dev = core->dvbdev;
1230 
1231 	/* blackbird */
1232 	blackbird_unregister_video(drv->core->dvbdev);
1233 	v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1234 
1235 	return 0;
1236 }
1237 
1238 static struct cx8802_driver cx8802_blackbird_driver = {
1239 	.type_id	= CX88_MPEG_BLACKBIRD,
1240 	.hw_access	= CX8802_DRVCTL_SHARED,
1241 	.probe		= cx8802_blackbird_probe,
1242 	.remove		= cx8802_blackbird_remove,
1243 	.advise_acquire	= cx8802_blackbird_advise_acquire,
1244 	.advise_release	= cx8802_blackbird_advise_release,
1245 };
1246 
1247 static int __init blackbird_init(void)
1248 {
1249 	pr_info("cx2388x blackbird driver version %s loaded\n",
1250 		CX88_VERSION);
1251 	return cx8802_register_driver(&cx8802_blackbird_driver);
1252 }
1253 
1254 static void __exit blackbird_fini(void)
1255 {
1256 	cx8802_unregister_driver(&cx8802_blackbird_driver);
1257 }
1258 
1259 module_init(blackbird_init);
1260 module_exit(blackbird_fini);
1261