1/*
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@infradead.org>
10 *        - video_ioctl2 conversion
11 *
12 *  Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
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>
30#include <linux/init.h>
31#include <linux/slab.h>
32#include <linux/fs.h>
33#include <linux/delay.h>
34#include <linux/device.h>
35#include <linux/firmware.h>
36#include <media/v4l2-common.h>
37#include <media/v4l2-ioctl.h>
38#include <media/cx2341x.h>
39
40#include "cx88.h"
41
42MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
43MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
44MODULE_LICENSE("GPL");
45MODULE_VERSION(CX88_VERSION);
46
47static unsigned int mpegbufs = 32;
48module_param(mpegbufs,int,0644);
49MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
50
51static unsigned int debug;
52module_param(debug,int,0644);
53MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
54
55#define dprintk(level,fmt, arg...)	if (debug >= level) \
56	printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
57
58
59/* ------------------------------------------------------------------ */
60
61#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
62
63/* defines below are from ivtv-driver.h */
64
65#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
66
67/* Firmware API commands */
68#define IVTV_API_STD_TIMEOUT 500
69
70enum blackbird_capture_type {
71	BLACKBIRD_MPEG_CAPTURE,
72	BLACKBIRD_RAW_CAPTURE,
73	BLACKBIRD_RAW_PASSTHRU_CAPTURE
74};
75enum blackbird_capture_bits {
76	BLACKBIRD_RAW_BITS_NONE             = 0x00,
77	BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
78	BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
79	BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
80	BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
81	BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
82};
83enum blackbird_capture_end {
84	BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
85	BLACKBIRD_END_NOW, /* stop immediately, no irq */
86};
87enum blackbird_framerate {
88	BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
89	BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
90};
91enum blackbird_stream_port {
92	BLACKBIRD_OUTPUT_PORT_MEMORY,
93	BLACKBIRD_OUTPUT_PORT_STREAMING,
94	BLACKBIRD_OUTPUT_PORT_SERIAL
95};
96enum blackbird_data_xfer_status {
97	BLACKBIRD_MORE_BUFFERS_FOLLOW,
98	BLACKBIRD_LAST_BUFFER,
99};
100enum 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};
106enum blackbird_vbi_mode_bits {
107	BLACKBIRD_VBI_BITS_SLICED,
108	BLACKBIRD_VBI_BITS_RAW,
109};
110enum blackbird_vbi_insertion_bits {
111	BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
112	BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
113	BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
114	BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
115	BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
116};
117enum blackbird_dma_unit {
118	BLACKBIRD_DMA_BYTES,
119	BLACKBIRD_DMA_FRAMES,
120};
121enum blackbird_dma_transfer_status_bits {
122	BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
123	BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
124	BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
125};
126enum blackbird_pause {
127	BLACKBIRD_PAUSE_ENCODING,
128	BLACKBIRD_RESUME_ENCODING,
129};
130enum blackbird_copyright {
131	BLACKBIRD_COPYRIGHT_OFF,
132	BLACKBIRD_COPYRIGHT_ON,
133};
134enum blackbird_notification_type {
135	BLACKBIRD_NOTIFICATION_REFRESH,
136};
137enum blackbird_notification_status {
138	BLACKBIRD_NOTIFICATION_OFF,
139	BLACKBIRD_NOTIFICATION_ON,
140};
141enum blackbird_notification_mailbox {
142	BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
143};
144enum blackbird_field1_lines {
145	BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
146	BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
147	BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
148};
149enum blackbird_field2_lines {
150	BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
151	BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
152	BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
153};
154enum blackbird_custom_data_type {
155	BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
156	BLACKBIRD_CUSTOM_PRIVATE_PACKET,
157};
158enum blackbird_mute {
159	BLACKBIRD_UNMUTE,
160	BLACKBIRD_MUTE,
161};
162enum blackbird_mute_video_mask {
163	BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
164	BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
165	BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
166};
167enum blackbird_mute_video_shift {
168	BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
169	BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
170	BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
171};
172
173/* Registers */
174#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
175#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
176#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
177#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
178#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
179#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
180
181/* ------------------------------------------------------------------ */
182
183static void host_setup(struct cx88_core *core)
184{
185	/* toggle reset of the host */
186	cx_write(MO_GPHST_SOFT_RST, 1);
187	udelay(100);
188	cx_write(MO_GPHST_SOFT_RST, 0);
189	udelay(100);
190
191	/* host port setup */
192	cx_write(MO_GPHST_WSC, 0x44444444U);
193	cx_write(MO_GPHST_XFR, 0);
194	cx_write(MO_GPHST_WDTH, 15);
195	cx_write(MO_GPHST_HDSHK, 0);
196	cx_write(MO_GPHST_MUX16, 0x44448888U);
197	cx_write(MO_GPHST_MODE, 0);
198}
199
200/* ------------------------------------------------------------------ */
201
202#define P1_MDATA0 0x390000
203#define P1_MDATA1 0x390001
204#define P1_MDATA2 0x390002
205#define P1_MDATA3 0x390003
206#define P1_MADDR2 0x390004
207#define P1_MADDR1 0x390005
208#define P1_MADDR0 0x390006
209#define P1_RDATA0 0x390008
210#define P1_RDATA1 0x390009
211#define P1_RDATA2 0x39000A
212#define P1_RDATA3 0x39000B
213#define P1_RADDR0 0x39000C
214#define P1_RADDR1 0x39000D
215#define P1_RRDWR  0x39000E
216
217static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
218{
219	unsigned long timeout = jiffies + msecs_to_jiffies(1);
220	u32 gpio0,need;
221
222	need = state ? 2 : 0;
223	for (;;) {
224		gpio0 = cx_read(MO_GP0_IO) & 2;
225		if (need == gpio0)
226			return 0;
227		if (time_after(jiffies,timeout))
228			return -1;
229		udelay(1);
230	}
231}
232
233static int memory_write(struct cx88_core *core, u32 address, u32 value)
234{
235	/* Warning: address is dword address (4 bytes) */
236	cx_writeb(P1_MDATA0, (unsigned int)value);
237	cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
238	cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
239	cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
240	cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
241	cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
242	cx_writeb(P1_MADDR0, (unsigned int)address);
243	cx_read(P1_MDATA0);
244	cx_read(P1_MADDR0);
245
246	return wait_ready_gpio0_bit1(core,1);
247}
248
249static int memory_read(struct cx88_core *core, u32 address, u32 *value)
250{
251	int retval;
252	u32 val;
253
254	/* Warning: address is dword address (4 bytes) */
255	cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
256	cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
257	cx_writeb(P1_MADDR0, (unsigned int)address);
258	cx_read(P1_MADDR0);
259
260	retval = wait_ready_gpio0_bit1(core,1);
261
262	cx_writeb(P1_MDATA3, 0);
263	val     = (unsigned char)cx_read(P1_MDATA3) << 24;
264	cx_writeb(P1_MDATA2, 0);
265	val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
266	cx_writeb(P1_MDATA1, 0);
267	val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
268	cx_writeb(P1_MDATA0, 0);
269	val    |= (unsigned char)cx_read(P1_MDATA0);
270
271	*value  = val;
272	return retval;
273}
274
275static int register_write(struct cx88_core *core, u32 address, u32 value)
276{
277	cx_writeb(P1_RDATA0, (unsigned int)value);
278	cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
279	cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
280	cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
281	cx_writeb(P1_RADDR0, (unsigned int)address);
282	cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
283	cx_writeb(P1_RRDWR, 1);
284	cx_read(P1_RDATA0);
285	cx_read(P1_RADDR0);
286
287	return wait_ready_gpio0_bit1(core,1);
288}
289
290
291static int register_read(struct cx88_core *core, u32 address, u32 *value)
292{
293	int retval;
294	u32 val;
295
296	cx_writeb(P1_RADDR0, (unsigned int)address);
297	cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
298	cx_writeb(P1_RRDWR, 0);
299	cx_read(P1_RADDR0);
300
301	retval  = wait_ready_gpio0_bit1(core,1);
302	val     = (unsigned char)cx_read(P1_RDATA0);
303	val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
304	val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
305	val    |= (unsigned char)cx_read(P1_RDATA3) << 24;
306
307	*value  = val;
308	return retval;
309}
310
311/* ------------------------------------------------------------------ */
312
313static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
314{
315	struct cx8802_dev *dev = priv;
316	unsigned long timeout;
317	u32 value, flag, retval;
318	int i;
319
320	dprintk(1,"%s: 0x%X\n", __func__, command);
321
322	/* this may not be 100% safe if we can't read any memory location
323	   without side effects */
324	memory_read(dev->core, dev->mailbox - 4, &value);
325	if (value != 0x12345678) {
326		dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
327		return -1;
328	}
329
330	memory_read(dev->core, dev->mailbox, &flag);
331	if (flag) {
332		dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
333		return -1;
334	}
335
336	flag |= 1; /* tell 'em we're working on it */
337	memory_write(dev->core, dev->mailbox, flag);
338
339	/* write command + args + fill remaining with zeros */
340	memory_write(dev->core, dev->mailbox + 1, command); /* command code */
341	memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
342	for (i = 0; i < in; i++) {
343		memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
344		dprintk(1, "API Input %d = %d\n", i, data[i]);
345	}
346	for (; i < CX2341X_MBOX_MAX_DATA; i++)
347		memory_write(dev->core, dev->mailbox + 4 + i, 0);
348
349	flag |= 3; /* tell 'em we're done writing */
350	memory_write(dev->core, dev->mailbox, flag);
351
352	/* wait for firmware to handle the API command */
353	timeout = jiffies + msecs_to_jiffies(10);
354	for (;;) {
355		memory_read(dev->core, dev->mailbox, &flag);
356		if (0 != (flag & 4))
357			break;
358		if (time_after(jiffies,timeout)) {
359			dprintk(0, "ERROR: API Mailbox timeout\n");
360			return -1;
361		}
362		udelay(10);
363	}
364
365	/* read output values */
366	for (i = 0; i < out; i++) {
367		memory_read(dev->core, dev->mailbox + 4 + i, data + i);
368		dprintk(1, "API Output %d = %d\n", i, data[i]);
369	}
370
371	memory_read(dev->core, dev->mailbox + 2, &retval);
372	dprintk(1, "API result = %d\n",retval);
373
374	flag = 0;
375	memory_write(dev->core, dev->mailbox, flag);
376	return retval;
377}
378/* ------------------------------------------------------------------ */
379
380/* We don't need to call the API often, so using just one mailbox will probably suffice */
381static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
382			     u32 inputcnt, u32 outputcnt, ...)
383{
384	u32 data[CX2341X_MBOX_MAX_DATA];
385	va_list vargs;
386	int i, err;
387
388	va_start(vargs, outputcnt);
389
390	for (i = 0; i < inputcnt; i++) {
391		data[i] = va_arg(vargs, int);
392	}
393	err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
394	for (i = 0; i < outputcnt; i++) {
395		int *vptr = va_arg(vargs, int *);
396		*vptr = data[i];
397	}
398	va_end(vargs);
399	return err;
400}
401
402static int blackbird_find_mailbox(struct cx8802_dev *dev)
403{
404	u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
405	int signaturecnt=0;
406	u32 value;
407	int i;
408
409	for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
410		memory_read(dev->core, i, &value);
411		if (value == signature[signaturecnt])
412			signaturecnt++;
413		else
414			signaturecnt = 0;
415		if (4 == signaturecnt) {
416			dprintk(1, "Mailbox signature found\n");
417			return i+1;
418		}
419	}
420	dprintk(0, "Mailbox signature values not found!\n");
421	return -1;
422}
423
424static int blackbird_load_firmware(struct cx8802_dev *dev)
425{
426	static const unsigned char magic[8] = {
427		0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
428	};
429	const struct firmware *firmware;
430	int i, retval = 0;
431	u32 value = 0;
432	u32 checksum = 0;
433	u32 *dataptr;
434
435	retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
436	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
437	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
438	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
439	msleep(1);
440	retval |= register_write(dev->core, IVTV_REG_APU, 0);
441
442	if (retval < 0)
443		dprintk(0, "Error with register_write\n");
444
445	retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
446				  &dev->pci->dev);
447
448
449	if (retval != 0) {
450		dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
451			CX2341X_FIRM_ENC_FILENAME);
452		dprintk(0, "Please fix your hotplug setup, the board will "
453			"not work without firmware loaded!\n");
454		return -1;
455	}
456
457	if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
458		dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
459			firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
460		release_firmware(firmware);
461		return -1;
462	}
463
464	if (0 != memcmp(firmware->data, magic, 8)) {
465		dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
466		release_firmware(firmware);
467		return -1;
468	}
469
470	/* transfer to the chip */
471	dprintk(1,"Loading firmware ...\n");
472	dataptr = (u32*)firmware->data;
473	for (i = 0; i < (firmware->size >> 2); i++) {
474		value = *dataptr;
475		checksum += ~value;
476		memory_write(dev->core, i, value);
477		dataptr++;
478	}
479
480	/* read back to verify with the checksum */
481	for (i--; i >= 0; i--) {
482		memory_read(dev->core, i, &value);
483		checksum -= ~value;
484	}
485	if (checksum) {
486		dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
487		release_firmware(firmware);
488		return -1;
489	}
490	release_firmware(firmware);
491	dprintk(0, "Firmware upload successful.\n");
492
493	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
494	retval |= register_read(dev->core, IVTV_REG_SPU, &value);
495	retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
496	msleep(1);
497
498	retval |= register_read(dev->core, IVTV_REG_VPU, &value);
499	retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
500
501	if (retval < 0)
502		dprintk(0, "Error with register_write\n");
503	return 0;
504}
505
506/**
507 Settings used by the windows tv app for PVR2000:
508=================================================================================================================
509Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
510-----------------------------------------------------------------------------------------------------------------
511MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
512MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
513VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
514DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
515DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
516=================================================================================================================
517*DB: "DirectBurn"
518*/
519
520static void blackbird_codec_settings(struct cx8802_dev *dev)
521{
522	/* assign frame size */
523	blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
524				dev->height, dev->width);
525
526	dev->params.width = dev->width;
527	dev->params.height = dev->height;
528	dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
529
530	cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
531}
532
533static int blackbird_initialize_codec(struct cx8802_dev *dev)
534{
535	struct cx88_core *core = dev->core;
536	int version;
537	int retval;
538
539	dprintk(1,"Initialize codec\n");
540	retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
541	if (retval < 0) {
542
543		dev->mpeg_active = 0;
544
545		/* ping was not successful, reset and upload firmware */
546		cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
547		cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
548		retval = blackbird_load_firmware(dev);
549		if (retval < 0)
550			return retval;
551
552		retval = blackbird_find_mailbox(dev);
553		if (retval < 0)
554			return -1;
555
556		dev->mailbox = retval;
557
558		retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
559		if (retval < 0) {
560			dprintk(0, "ERROR: Firmware ping failed!\n");
561			return -1;
562		}
563
564		retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
565		if (retval < 0) {
566			dprintk(0, "ERROR: Firmware get encoder version failed!\n");
567			return -1;
568		}
569		dprintk(0, "Firmware version is 0x%08x\n", version);
570	}
571
572	cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
573	cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
574	cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
575	cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
576
577	blackbird_codec_settings(dev);
578
579	blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
580			BLACKBIRD_FIELD1_SAA7115,
581			BLACKBIRD_FIELD2_SAA7115
582		);
583
584	blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
585			BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
586			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
587
588	return 0;
589}
590
591static int blackbird_start_codec(struct file *file, void *priv)
592{
593	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
594	struct cx88_core *core = dev->core;
595	/* start capturing to the host interface */
596	u32 reg;
597
598	int i;
599	int lastchange = -1;
600	int lastval = 0;
601
602	for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
603		reg = cx_read(AUD_STATUS);
604
605		dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
606		if ((reg & 0x0F) != lastval) {
607			lastval = reg & 0x0F;
608			lastchange = i;
609		}
610		msleep(100);
611	}
612
613	/* unmute audio source */
614	cx_clear(AUD_VOL_CTL, (1 << 6));
615
616	blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
617
618	/* initialize the video input */
619	blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
620
621	/* start capturing to the host interface */
622	blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
623			BLACKBIRD_MPEG_CAPTURE,
624			BLACKBIRD_RAW_BITS_NONE
625		);
626
627	dev->mpeg_active = 1;
628	return 0;
629}
630
631static int blackbird_stop_codec(struct cx8802_dev *dev)
632{
633	blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
634			BLACKBIRD_END_NOW,
635			BLACKBIRD_MPEG_CAPTURE,
636			BLACKBIRD_RAW_BITS_NONE
637		);
638
639	dev->mpeg_active = 0;
640	return 0;
641}
642
643/* ------------------------------------------------------------------ */
644
645static int bb_buf_setup(struct videobuf_queue *q,
646			unsigned int *count, unsigned int *size)
647{
648	struct cx8802_fh *fh = q->priv_data;
649
650	fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
651	fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
652
653	*size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
654	*count = fh->dev->ts_packet_count;
655	return 0;
656}
657
658static int
659bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
660	       enum v4l2_field field)
661{
662	struct cx8802_fh *fh = q->priv_data;
663	return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
664}
665
666static void
667bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
668{
669	struct cx8802_fh *fh = q->priv_data;
670	cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
671}
672
673static void
674bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
675{
676	cx88_free_buffer(q, (struct cx88_buffer*)vb);
677}
678
679static struct videobuf_queue_ops blackbird_qops = {
680	.buf_setup    = bb_buf_setup,
681	.buf_prepare  = bb_buf_prepare,
682	.buf_queue    = bb_buf_queue,
683	.buf_release  = bb_buf_release,
684};
685
686/* ------------------------------------------------------------------ */
687
688static const u32 *ctrl_classes[] = {
689	cx88_user_ctrls,
690	cx2341x_mpeg_ctrls,
691	NULL
692};
693
694static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
695{
696	qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
697	if (qctrl->id == 0)
698		return -EINVAL;
699
700	/* Standard V4L2 controls */
701	if (cx8800_ctrl_query(dev->core, qctrl) == 0)
702		return 0;
703
704	/* MPEG V4L2 controls */
705	if (cx2341x_ctrl_query(&dev->params, qctrl))
706		qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
707	return 0;
708}
709
710/* ------------------------------------------------------------------ */
711/* IOCTL Handlers                                                     */
712
713static int vidioc_querymenu (struct file *file, void *priv,
714				struct v4l2_querymenu *qmenu)
715{
716	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
717	struct v4l2_queryctrl qctrl;
718
719	qctrl.id = qmenu->id;
720	blackbird_queryctrl(dev, &qctrl);
721	return v4l2_ctrl_query_menu(qmenu, &qctrl,
722			cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
723}
724
725static int vidioc_querycap (struct file *file, void  *priv,
726					struct v4l2_capability *cap)
727{
728	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
729	struct cx88_core  *core = dev->core;
730
731	strcpy(cap->driver, "cx88_blackbird");
732	strlcpy(cap->card, core->board.name, sizeof(cap->card));
733	sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
734	cap->capabilities =
735		V4L2_CAP_VIDEO_CAPTURE |
736		V4L2_CAP_READWRITE     |
737		V4L2_CAP_STREAMING;
738	if (UNSET != core->board.tuner_type)
739		cap->capabilities |= V4L2_CAP_TUNER;
740	return 0;
741}
742
743static int vidioc_enum_fmt_vid_cap (struct file *file, void  *priv,
744					struct v4l2_fmtdesc *f)
745{
746	if (f->index != 0)
747		return -EINVAL;
748
749	strlcpy(f->description, "MPEG", sizeof(f->description));
750	f->pixelformat = V4L2_PIX_FMT_MPEG;
751	return 0;
752}
753
754static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
755					struct v4l2_format *f)
756{
757	struct cx8802_fh  *fh   = priv;
758	struct cx8802_dev *dev  = fh->dev;
759
760	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
761	f->fmt.pix.bytesperline = 0;
762	f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
763	f->fmt.pix.colorspace   = 0;
764	f->fmt.pix.width        = dev->width;
765	f->fmt.pix.height       = dev->height;
766	f->fmt.pix.field        = fh->mpegq.field;
767	dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
768		dev->width, dev->height, fh->mpegq.field );
769	return 0;
770}
771
772static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
773			struct v4l2_format *f)
774{
775	struct cx8802_fh  *fh   = priv;
776	struct cx8802_dev *dev  = fh->dev;
777
778	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
779	f->fmt.pix.bytesperline = 0;
780	f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
781	f->fmt.pix.colorspace   = 0;
782	dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
783		dev->width, dev->height, fh->mpegq.field );
784	return 0;
785}
786
787static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
788					struct v4l2_format *f)
789{
790	struct cx8802_fh  *fh   = priv;
791	struct cx8802_dev *dev  = fh->dev;
792	struct cx88_core  *core = dev->core;
793
794	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
795	f->fmt.pix.bytesperline = 0;
796	f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
797	f->fmt.pix.colorspace   = 0;
798	dev->width              = f->fmt.pix.width;
799	dev->height             = f->fmt.pix.height;
800	fh->mpegq.field         = f->fmt.pix.field;
801	cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
802	blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
803				f->fmt.pix.height, f->fmt.pix.width);
804	dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
805		f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
806	return 0;
807}
808
809static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
810{
811	struct cx8802_fh  *fh   = priv;
812	return (videobuf_reqbufs(&fh->mpegq, p));
813}
814
815static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
816{
817	struct cx8802_fh  *fh   = priv;
818	return (videobuf_querybuf(&fh->mpegq, p));
819}
820
821static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
822{
823	struct cx8802_fh  *fh   = priv;
824	return (videobuf_qbuf(&fh->mpegq, p));
825}
826
827static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
828{
829	struct cx8802_fh  *fh   = priv;
830	return (videobuf_dqbuf(&fh->mpegq, p,
831				file->f_flags & O_NONBLOCK));
832}
833
834static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
835{
836	struct cx8802_fh  *fh   = priv;
837	return videobuf_streamon(&fh->mpegq);
838}
839
840static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
841{
842	struct cx8802_fh  *fh   = priv;
843	return videobuf_streamoff(&fh->mpegq);
844}
845
846static int vidioc_g_ext_ctrls (struct file *file, void *priv,
847			       struct v4l2_ext_controls *f)
848{
849	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
850
851	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
852		return -EINVAL;
853	return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
854}
855
856static int vidioc_s_ext_ctrls (struct file *file, void *priv,
857			       struct v4l2_ext_controls *f)
858{
859	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
860	struct cx2341x_mpeg_params p;
861	int err;
862
863	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
864		return -EINVAL;
865
866	if (dev->mpeg_active)
867		blackbird_stop_codec(dev);
868
869	p = dev->params;
870	err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
871	if (!err) {
872		err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
873		dev->params = p;
874	}
875	return err;
876}
877
878static int vidioc_try_ext_ctrls (struct file *file, void *priv,
879			       struct v4l2_ext_controls *f)
880{
881	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
882	struct cx2341x_mpeg_params p;
883	int err;
884
885	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
886		return -EINVAL;
887	p = dev->params;
888	err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
889
890	return err;
891}
892
893static int vidioc_s_frequency (struct file *file, void *priv,
894				struct v4l2_frequency *f)
895{
896	struct cx8802_fh  *fh   = priv;
897	struct cx8802_dev *dev  = fh->dev;
898	struct cx88_core  *core = dev->core;
899
900	if (dev->mpeg_active)
901		blackbird_stop_codec(dev);
902
903	cx88_set_freq (core,f);
904	blackbird_initialize_codec(dev);
905	cx88_set_scale(dev->core, dev->width, dev->height,
906			fh->mpegq.field);
907	return 0;
908}
909
910static int vidioc_log_status (struct file *file, void *priv)
911{
912	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
913	struct cx88_core  *core = dev->core;
914	char name[32 + 2];
915
916	snprintf(name, sizeof(name), "%s/2", core->name);
917	printk("%s/2: ============  START LOG STATUS  ============\n",
918		core->name);
919	call_all(core, core, log_status);
920	cx2341x_log_status(&dev->params, name);
921	printk("%s/2: =============  END LOG STATUS  =============\n",
922		core->name);
923	return 0;
924}
925
926static int vidioc_queryctrl (struct file *file, void *priv,
927				struct v4l2_queryctrl *qctrl)
928{
929	struct cx8802_dev *dev  = ((struct cx8802_fh *)priv)->dev;
930
931	if (blackbird_queryctrl(dev, qctrl) == 0)
932		return 0;
933
934	qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
935	if (unlikely(qctrl->id == 0))
936		return -EINVAL;
937	return cx8800_ctrl_query(dev->core, qctrl);
938}
939
940static int vidioc_enum_input (struct file *file, void *priv,
941				struct v4l2_input *i)
942{
943	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
944	return cx88_enum_input (core,i);
945}
946
947static int vidioc_g_ctrl (struct file *file, void *priv,
948				struct v4l2_control *ctl)
949{
950	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
951	return
952		cx88_get_control(core,ctl);
953}
954
955static int vidioc_s_ctrl (struct file *file, void *priv,
956				struct v4l2_control *ctl)
957{
958	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
959	return
960		cx88_set_control(core,ctl);
961}
962
963static int vidioc_g_frequency (struct file *file, void *priv,
964				struct v4l2_frequency *f)
965{
966	struct cx8802_fh  *fh   = priv;
967	struct cx88_core  *core = fh->dev->core;
968
969	if (unlikely(UNSET == core->board.tuner_type))
970		return -EINVAL;
971
972	f->type = V4L2_TUNER_ANALOG_TV;
973	f->frequency = core->freq;
974	call_all(core, tuner, g_frequency, f);
975
976	return 0;
977}
978
979static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
980{
981	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
982
983	*i = core->input;
984	return 0;
985}
986
987static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
988{
989	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
990
991	if (i >= 4)
992		return -EINVAL;
993
994	mutex_lock(&core->lock);
995	cx88_newstation(core);
996	cx88_video_mux(core,i);
997	mutex_unlock(&core->lock);
998	return 0;
999}
1000
1001static int vidioc_g_tuner (struct file *file, void *priv,
1002				struct v4l2_tuner *t)
1003{
1004	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1005	u32 reg;
1006
1007	if (unlikely(UNSET == core->board.tuner_type))
1008		return -EINVAL;
1009	if (0 != t->index)
1010		return -EINVAL;
1011
1012	strcpy(t->name, "Television");
1013	t->type       = V4L2_TUNER_ANALOG_TV;
1014	t->capability = V4L2_TUNER_CAP_NORM;
1015	t->rangehigh  = 0xffffffffUL;
1016
1017	cx88_get_stereo(core ,t);
1018	reg = cx_read(MO_DEVICE_STATUS);
1019	t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1020	return 0;
1021}
1022
1023static int vidioc_s_tuner (struct file *file, void *priv,
1024				struct v4l2_tuner *t)
1025{
1026	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1027
1028	if (UNSET == core->board.tuner_type)
1029		return -EINVAL;
1030	if (0 != t->index)
1031		return -EINVAL;
1032
1033	cx88_set_stereo(core, t->audmode, 1);
1034	return 0;
1035}
1036
1037static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1038{
1039	struct cx88_core  *core = ((struct cx8802_fh *)priv)->dev->core;
1040
1041	mutex_lock(&core->lock);
1042	cx88_set_tvnorm(core,*id);
1043	mutex_unlock(&core->lock);
1044	return 0;
1045}
1046
1047/* FIXME: cx88_ioctl_hook not implemented */
1048
1049static int mpeg_open(struct file *file)
1050{
1051	struct video_device *vdev = video_devdata(file);
1052	struct cx8802_dev *dev = video_drvdata(file);
1053	struct cx8802_fh *fh;
1054	struct cx8802_driver *drv = NULL;
1055	int err;
1056
1057	dprintk( 1, "%s\n", __func__);
1058
1059	mutex_lock(&dev->core->lock);
1060
1061	/* Make sure we can acquire the hardware */
1062	drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1063	if (!drv) {
1064		dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
1065		mutex_unlock(&dev->core->lock);
1066		return -ENODEV;
1067	}
1068
1069	err = drv->request_acquire(drv);
1070	if (err != 0) {
1071		dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1072		mutex_unlock(&dev->core->lock);
1073		return err;
1074	}
1075
1076	if (!dev->core->mpeg_users && blackbird_initialize_codec(dev) < 0) {
1077		drv->request_release(drv);
1078		mutex_unlock(&dev->core->lock);
1079		return -EINVAL;
1080	}
1081	dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
1082
1083	/* allocate + initialize per filehandle data */
1084	fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1085	if (NULL == fh) {
1086		drv->request_release(drv);
1087		mutex_unlock(&dev->core->lock);
1088		return -ENOMEM;
1089	}
1090	file->private_data = fh;
1091	fh->dev      = dev;
1092
1093	videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1094			    &dev->pci->dev, &dev->slock,
1095			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
1096			    V4L2_FIELD_INTERLACED,
1097			    sizeof(struct cx88_buffer),
1098			    fh, NULL);
1099
1100	/* FIXME: locking against other video device */
1101	cx88_set_scale(dev->core, dev->width, dev->height,
1102			fh->mpegq.field);
1103
1104	dev->core->mpeg_users++;
1105	mutex_unlock(&dev->core->lock);
1106	return 0;
1107}
1108
1109static int mpeg_release(struct file *file)
1110{
1111	struct cx8802_fh  *fh  = file->private_data;
1112	struct cx8802_dev *dev = fh->dev;
1113	struct cx8802_driver *drv = NULL;
1114
1115	mutex_lock(&dev->core->lock);
1116
1117	if (dev->mpeg_active && dev->core->mpeg_users == 1)
1118		blackbird_stop_codec(dev);
1119
1120	cx8802_cancel_buffers(fh->dev);
1121	/* stop mpeg capture */
1122	videobuf_stop(&fh->mpegq);
1123
1124	videobuf_mmap_free(&fh->mpegq);
1125
1126	file->private_data = NULL;
1127	kfree(fh);
1128
1129	/* Make sure we release the hardware */
1130	drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1131	WARN_ON(!drv);
1132	if (drv)
1133		drv->request_release(drv);
1134
1135	dev->core->mpeg_users--;
1136
1137	mutex_unlock(&dev->core->lock);
1138
1139	return 0;
1140}
1141
1142static ssize_t
1143mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1144{
1145	struct cx8802_fh *fh = file->private_data;
1146	struct cx8802_dev *dev = fh->dev;
1147
1148	if (!dev->mpeg_active)
1149		blackbird_start_codec(file, fh);
1150
1151	return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1152				    file->f_flags & O_NONBLOCK);
1153}
1154
1155static unsigned int
1156mpeg_poll(struct file *file, struct poll_table_struct *wait)
1157{
1158	struct cx8802_fh *fh = file->private_data;
1159	struct cx8802_dev *dev = fh->dev;
1160
1161	if (!dev->mpeg_active)
1162		blackbird_start_codec(file, fh);
1163
1164	return videobuf_poll_stream(file, &fh->mpegq, wait);
1165}
1166
1167static int
1168mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1169{
1170	struct cx8802_fh *fh = file->private_data;
1171
1172	return videobuf_mmap_mapper(&fh->mpegq, vma);
1173}
1174
1175static const struct v4l2_file_operations mpeg_fops =
1176{
1177	.owner	       = THIS_MODULE,
1178	.open	       = mpeg_open,
1179	.release       = mpeg_release,
1180	.read	       = mpeg_read,
1181	.poll          = mpeg_poll,
1182	.mmap	       = mpeg_mmap,
1183	.ioctl	       = video_ioctl2,
1184};
1185
1186static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1187	.vidioc_querymenu     = vidioc_querymenu,
1188	.vidioc_querycap      = vidioc_querycap,
1189	.vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1190	.vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1191	.vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1192	.vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1193	.vidioc_reqbufs       = vidioc_reqbufs,
1194	.vidioc_querybuf      = vidioc_querybuf,
1195	.vidioc_qbuf          = vidioc_qbuf,
1196	.vidioc_dqbuf         = vidioc_dqbuf,
1197	.vidioc_streamon      = vidioc_streamon,
1198	.vidioc_streamoff     = vidioc_streamoff,
1199	.vidioc_g_ext_ctrls   = vidioc_g_ext_ctrls,
1200	.vidioc_s_ext_ctrls   = vidioc_s_ext_ctrls,
1201	.vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1202	.vidioc_s_frequency   = vidioc_s_frequency,
1203	.vidioc_log_status    = vidioc_log_status,
1204	.vidioc_queryctrl     = vidioc_queryctrl,
1205	.vidioc_enum_input    = vidioc_enum_input,
1206	.vidioc_g_ctrl        = vidioc_g_ctrl,
1207	.vidioc_s_ctrl        = vidioc_s_ctrl,
1208	.vidioc_g_frequency   = vidioc_g_frequency,
1209	.vidioc_g_input       = vidioc_g_input,
1210	.vidioc_s_input       = vidioc_s_input,
1211	.vidioc_g_tuner       = vidioc_g_tuner,
1212	.vidioc_s_tuner       = vidioc_s_tuner,
1213	.vidioc_s_std         = vidioc_s_std,
1214};
1215
1216static struct video_device cx8802_mpeg_template = {
1217	.name                 = "cx8802",
1218	.fops                 = &mpeg_fops,
1219	.ioctl_ops 	      = &mpeg_ioctl_ops,
1220	.tvnorms              = CX88_NORMS,
1221	.current_norm         = V4L2_STD_NTSC_M,
1222};
1223
1224/* ------------------------------------------------------------------ */
1225
1226/* The CX8802 MPEG API will call this when we can use the hardware */
1227static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1228{
1229	struct cx88_core *core = drv->core;
1230	int err = 0;
1231
1232	switch (core->boardnr) {
1233	case CX88_BOARD_HAUPPAUGE_HVR1300:
1234		/* By default, core setup will leave the cx22702 out of reset, on the bus.
1235		 * We left the hardware on power up with the cx22702 active.
1236		 * We're being given access to re-arrange the GPIOs.
1237		 * Take the bus off the cx22702 and put the cx23416 on it.
1238		 */
1239		/* Toggle reset on cx22702 leaving i2c active */
1240		cx_set(MO_GP0_IO, 0x00000080);
1241		udelay(1000);
1242		cx_clear(MO_GP0_IO, 0x00000080);
1243		udelay(50);
1244		cx_set(MO_GP0_IO, 0x00000080);
1245		udelay(1000);
1246		/* tri-state the cx22702 pins */
1247		cx_set(MO_GP0_IO, 0x00000004);
1248		udelay(1000);
1249		break;
1250	default:
1251		err = -ENODEV;
1252	}
1253	return err;
1254}
1255
1256/* The CX8802 MPEG API will call this when we need to release the hardware */
1257static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1258{
1259	struct cx88_core *core = drv->core;
1260	int err = 0;
1261
1262	switch (core->boardnr) {
1263	case CX88_BOARD_HAUPPAUGE_HVR1300:
1264		/* Exit leaving the cx23416 on the bus */
1265		break;
1266	default:
1267		err = -ENODEV;
1268	}
1269	return err;
1270}
1271
1272static void blackbird_unregister_video(struct cx8802_dev *dev)
1273{
1274	if (dev->mpeg_dev) {
1275		if (video_is_registered(dev->mpeg_dev))
1276			video_unregister_device(dev->mpeg_dev);
1277		else
1278			video_device_release(dev->mpeg_dev);
1279		dev->mpeg_dev = NULL;
1280	}
1281}
1282
1283static int blackbird_register_video(struct cx8802_dev *dev)
1284{
1285	int err;
1286
1287	dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1288				       &cx8802_mpeg_template,"mpeg");
1289	video_set_drvdata(dev->mpeg_dev, dev);
1290	err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1291	if (err < 0) {
1292		printk(KERN_INFO "%s/2: can't register mpeg device\n",
1293		       dev->core->name);
1294		return err;
1295	}
1296	printk(KERN_INFO "%s/2: registered device %s [mpeg]\n",
1297	       dev->core->name, video_device_node_name(dev->mpeg_dev));
1298	return 0;
1299}
1300
1301/* ----------------------------------------------------------- */
1302
1303static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1304{
1305	struct cx88_core *core = drv->core;
1306	struct cx8802_dev *dev = core->dvbdev;
1307	int err;
1308
1309	dprintk( 1, "%s\n", __func__);
1310	dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1311		core->boardnr,
1312		core->name,
1313		core->pci_bus,
1314		core->pci_slot);
1315
1316	err = -ENODEV;
1317	if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1318		goto fail_core;
1319
1320	dev->width = 720;
1321	dev->height = 576;
1322	cx2341x_fill_defaults(&dev->params);
1323	dev->params.port = CX2341X_PORT_STREAMING;
1324
1325	cx8802_mpeg_template.current_norm = core->tvnorm;
1326
1327	if (core->tvnorm & V4L2_STD_525_60) {
1328		dev->height = 480;
1329	} else {
1330		dev->height = 576;
1331	}
1332
1333	/* blackbird stuff */
1334	printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1335	       core->name);
1336	host_setup(dev->core);
1337
1338	blackbird_initialize_codec(dev);
1339	blackbird_register_video(dev);
1340
1341	/* initial device configuration: needed ? */
1342//	init_controls(core);
1343	cx88_set_tvnorm(core,core->tvnorm);
1344	cx88_video_mux(core,0);
1345
1346	return 0;
1347
1348 fail_core:
1349	return err;
1350}
1351
1352static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1353{
1354	/* blackbird */
1355	blackbird_unregister_video(drv->core->dvbdev);
1356
1357	return 0;
1358}
1359
1360static struct cx8802_driver cx8802_blackbird_driver = {
1361	.type_id	= CX88_MPEG_BLACKBIRD,
1362	.hw_access	= CX8802_DRVCTL_SHARED,
1363	.probe		= cx8802_blackbird_probe,
1364	.remove		= cx8802_blackbird_remove,
1365	.advise_acquire	= cx8802_blackbird_advise_acquire,
1366	.advise_release	= cx8802_blackbird_advise_release,
1367};
1368
1369static int __init blackbird_init(void)
1370{
1371	printk(KERN_INFO "cx2388x blackbird driver version %s loaded\n",
1372	       CX88_VERSION);
1373	return cx8802_register_driver(&cx8802_blackbird_driver);
1374}
1375
1376static void __exit blackbird_fini(void)
1377{
1378	cx8802_unregister_driver(&cx8802_blackbird_driver);
1379}
1380
1381module_init(blackbird_init);
1382module_exit(blackbird_fini);
1383
1384module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1385MODULE_PARM_DESC(debug,"enable debug messages [video]");
1386