1 /*
2  *
3  *  Support for a cx23417 mpeg encoder via cx231xx host port.
4  *
5  *    (c) 2004 Jelle Foks <jelle@foks.us>
6  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
7  *    (c) 2008 Steven Toth <stoth@linuxtv.org>
8  *      - CX23885/7/8 support
9  *
10  *  Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
11  *
12  *  This program is free software; you can redistribute it and/or modify
13  *  it under the terms of the GNU General Public License as published by
14  *  the Free Software Foundation; either version 2 of the License, or
15  *  (at your option) any later version.
16  *
17  *  This program is distributed in the hope that it will be useful,
18  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
19  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20  *  GNU General Public License for more details.
21  *
22  *  You should have received a copy of the GNU General Public License
23  *  along with this program; if not, write to the Free Software
24  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
25  */
26 
27 #include <linux/module.h>
28 #include <linux/moduleparam.h>
29 #include <linux/init.h>
30 #include <linux/fs.h>
31 #include <linux/delay.h>
32 #include <linux/device.h>
33 #include <linux/firmware.h>
34 #include <linux/vmalloc.h>
35 #include <media/v4l2-common.h>
36 #include <media/v4l2-ioctl.h>
37 #include <media/cx2341x.h>
38 #include <linux/usb.h>
39 
40 #include "cx231xx.h"
41 /*#include "cx23885-ioctl.h"*/
42 
43 #define CX231xx_FIRM_IMAGE_SIZE 376836
44 #define CX231xx_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
45 
46 /* for polaris ITVC */
47 #define ITVC_WRITE_DIR          0x03FDFC00
48 #define ITVC_READ_DIR            0x0001FC00
49 
50 #define  MCI_MEMORY_DATA_BYTE0          0x00
51 #define  MCI_MEMORY_DATA_BYTE1          0x08
52 #define  MCI_MEMORY_DATA_BYTE2          0x10
53 #define  MCI_MEMORY_DATA_BYTE3          0x18
54 
55 #define  MCI_MEMORY_ADDRESS_BYTE2       0x20
56 #define  MCI_MEMORY_ADDRESS_BYTE1       0x28
57 #define  MCI_MEMORY_ADDRESS_BYTE0       0x30
58 
59 #define  MCI_REGISTER_DATA_BYTE0        0x40
60 #define  MCI_REGISTER_DATA_BYTE1        0x48
61 #define  MCI_REGISTER_DATA_BYTE2        0x50
62 #define  MCI_REGISTER_DATA_BYTE3        0x58
63 
64 #define  MCI_REGISTER_ADDRESS_BYTE0     0x60
65 #define  MCI_REGISTER_ADDRESS_BYTE1     0x68
66 
67 #define  MCI_REGISTER_MODE              0x70
68 
69 /* Read and write modes for polaris ITVC */
70 #define  MCI_MODE_REGISTER_READ         0x000
71 #define  MCI_MODE_REGISTER_WRITE        0x100
72 #define  MCI_MODE_MEMORY_READ           0x000
73 #define  MCI_MODE_MEMORY_WRITE          0x4000
74 
75 static unsigned int mpegbufs = 8;
76 module_param(mpegbufs, int, 0644);
77 MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
78 static unsigned int mpeglines = 128;
79 module_param(mpeglines, int, 0644);
80 MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
81 static unsigned int mpeglinesize = 512;
82 module_param(mpeglinesize, int, 0644);
83 MODULE_PARM_DESC(mpeglinesize,
84 	"number of bytes in each line of an MPEG buffer, range 512-1024");
85 
86 static unsigned int v4l_debug = 1;
87 module_param(v4l_debug, int, 0644);
88 MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
89 struct cx231xx_dmaqueue *dma_qq;
90 #define dprintk(level, fmt, arg...)\
91 	do { if (v4l_debug >= level) \
92 		printk(KERN_INFO "%s: " fmt, \
93 		(dev) ? dev->name : "cx231xx[?]", ## arg); \
94 	} while (0)
95 
96 static struct cx231xx_tvnorm cx231xx_tvnorms[] = {
97 	{
98 		.name      = "NTSC-M",
99 		.id        = V4L2_STD_NTSC_M,
100 	}, {
101 		.name      = "NTSC-JP",
102 		.id        = V4L2_STD_NTSC_M_JP,
103 	}, {
104 		.name      = "PAL-BG",
105 		.id        = V4L2_STD_PAL_BG,
106 	}, {
107 		.name      = "PAL-DK",
108 		.id        = V4L2_STD_PAL_DK,
109 	}, {
110 		.name      = "PAL-I",
111 		.id        = V4L2_STD_PAL_I,
112 	}, {
113 		.name      = "PAL-M",
114 		.id        = V4L2_STD_PAL_M,
115 	}, {
116 		.name      = "PAL-N",
117 		.id        = V4L2_STD_PAL_N,
118 	}, {
119 		.name      = "PAL-Nc",
120 		.id        = V4L2_STD_PAL_Nc,
121 	}, {
122 		.name      = "PAL-60",
123 		.id        = V4L2_STD_PAL_60,
124 	}, {
125 		.name      = "SECAM-L",
126 		.id        = V4L2_STD_SECAM_L,
127 	}, {
128 		.name      = "SECAM-DK",
129 		.id        = V4L2_STD_SECAM_DK,
130 	}
131 };
132 
133 /* ------------------------------------------------------------------ */
134 enum cx231xx_capture_type {
135 	CX231xx_MPEG_CAPTURE,
136 	CX231xx_RAW_CAPTURE,
137 	CX231xx_RAW_PASSTHRU_CAPTURE
138 };
139 enum cx231xx_capture_bits {
140 	CX231xx_RAW_BITS_NONE             = 0x00,
141 	CX231xx_RAW_BITS_YUV_CAPTURE      = 0x01,
142 	CX231xx_RAW_BITS_PCM_CAPTURE      = 0x02,
143 	CX231xx_RAW_BITS_VBI_CAPTURE      = 0x04,
144 	CX231xx_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
145 	CX231xx_RAW_BITS_TO_HOST_CAPTURE  = 0x10
146 };
147 enum cx231xx_capture_end {
148 	CX231xx_END_AT_GOP, /* stop at the end of gop, generate irq */
149 	CX231xx_END_NOW, /* stop immediately, no irq */
150 };
151 enum cx231xx_framerate {
152 	CX231xx_FRAMERATE_NTSC_30, /* NTSC: 30fps */
153 	CX231xx_FRAMERATE_PAL_25   /* PAL: 25fps */
154 };
155 enum cx231xx_stream_port {
156 	CX231xx_OUTPUT_PORT_MEMORY,
157 	CX231xx_OUTPUT_PORT_STREAMING,
158 	CX231xx_OUTPUT_PORT_SERIAL
159 };
160 enum cx231xx_data_xfer_status {
161 	CX231xx_MORE_BUFFERS_FOLLOW,
162 	CX231xx_LAST_BUFFER,
163 };
164 enum cx231xx_picture_mask {
165 	CX231xx_PICTURE_MASK_NONE,
166 	CX231xx_PICTURE_MASK_I_FRAMES,
167 	CX231xx_PICTURE_MASK_I_P_FRAMES = 0x3,
168 	CX231xx_PICTURE_MASK_ALL_FRAMES = 0x7,
169 };
170 enum cx231xx_vbi_mode_bits {
171 	CX231xx_VBI_BITS_SLICED,
172 	CX231xx_VBI_BITS_RAW,
173 };
174 enum cx231xx_vbi_insertion_bits {
175 	CX231xx_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
176 	CX231xx_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
177 	CX231xx_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
178 	CX231xx_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
179 	CX231xx_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
180 };
181 enum cx231xx_dma_unit {
182 	CX231xx_DMA_BYTES,
183 	CX231xx_DMA_FRAMES,
184 };
185 enum cx231xx_dma_transfer_status_bits {
186 	CX231xx_DMA_TRANSFER_BITS_DONE = 0x01,
187 	CX231xx_DMA_TRANSFER_BITS_ERROR = 0x04,
188 	CX231xx_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
189 };
190 enum cx231xx_pause {
191 	CX231xx_PAUSE_ENCODING,
192 	CX231xx_RESUME_ENCODING,
193 };
194 enum cx231xx_copyright {
195 	CX231xx_COPYRIGHT_OFF,
196 	CX231xx_COPYRIGHT_ON,
197 };
198 enum cx231xx_notification_type {
199 	CX231xx_NOTIFICATION_REFRESH,
200 };
201 enum cx231xx_notification_status {
202 	CX231xx_NOTIFICATION_OFF,
203 	CX231xx_NOTIFICATION_ON,
204 };
205 enum cx231xx_notification_mailbox {
206 	CX231xx_NOTIFICATION_NO_MAILBOX = -1,
207 };
208 enum cx231xx_field1_lines {
209 	CX231xx_FIELD1_SAA7114 = 0x00EF, /* 239 */
210 	CX231xx_FIELD1_SAA7115 = 0x00F0, /* 240 */
211 	CX231xx_FIELD1_MICRONAS = 0x0105, /* 261 */
212 };
213 enum cx231xx_field2_lines {
214 	CX231xx_FIELD2_SAA7114 = 0x00EF, /* 239 */
215 	CX231xx_FIELD2_SAA7115 = 0x00F0, /* 240 */
216 	CX231xx_FIELD2_MICRONAS = 0x0106, /* 262 */
217 };
218 enum cx231xx_custom_data_type {
219 	CX231xx_CUSTOM_EXTENSION_USR_DATA,
220 	CX231xx_CUSTOM_PRIVATE_PACKET,
221 };
222 enum cx231xx_mute {
223 	CX231xx_UNMUTE,
224 	CX231xx_MUTE,
225 };
226 enum cx231xx_mute_video_mask {
227 	CX231xx_MUTE_VIDEO_V_MASK = 0x0000FF00,
228 	CX231xx_MUTE_VIDEO_U_MASK = 0x00FF0000,
229 	CX231xx_MUTE_VIDEO_Y_MASK = 0xFF000000,
230 };
231 enum cx231xx_mute_video_shift {
232 	CX231xx_MUTE_VIDEO_V_SHIFT = 8,
233 	CX231xx_MUTE_VIDEO_U_SHIFT = 16,
234 	CX231xx_MUTE_VIDEO_Y_SHIFT = 24,
235 };
236 
237 /* defines below are from ivtv-driver.h */
238 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
239 
240 /* Firmware API commands */
241 #define IVTV_API_STD_TIMEOUT 500
242 
243 /* Registers */
244 /* IVTV_REG_OFFSET */
245 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
246 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
247 #define IVTV_REG_SPU (0x9050)
248 #define IVTV_REG_HW_BLOCKS (0x9054)
249 #define IVTV_REG_VPU (0x9058)
250 #define IVTV_REG_APU (0xA064)
251 
252 /*
253  * Bit definitions for MC417_RWD and MC417_OEN registers
254  *
255  * bits 31-16
256  *+-----------+
257  *| Reserved  |
258  *|+-----------+
259  *|  bit 15  bit 14  bit 13 bit 12  bit 11  bit 10  bit 9   bit 8
260  *|+-------+-------+-------+-------+-------+-------+-------+-------+
261  *|| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
262  *|+-------+-------+-------+-------+-------+-------+-------+-------+
263  *| bit 7   bit 6   bit 5   bit 4   bit 3   bit 2   bit 1   bit 0
264  *|+-------+-------+-------+-------+-------+-------+-------+-------+
265  *||MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
266  *|+-------+-------+-------+-------+-------+-------+-------+-------+
267  */
268 #define MC417_MIWR	0x8000
269 #define MC417_MIRD	0x4000
270 #define MC417_MICS	0x2000
271 #define MC417_MIRDY	0x1000
272 #define MC417_MIADDR	0x0F00
273 #define MC417_MIDATA	0x00FF
274 
275 
276 /* Bit definitions for MC417_CTL register ****
277  *bits 31-6   bits 5-4   bit 3    bits 2-1       Bit 0
278  *+--------+-------------+--------+--------------+------------+
279  *|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
280  *+--------+-------------+--------+--------------+------------+
281  */
282 #define MC417_SPD_CTL(x)	(((x) << 4) & 0x00000030)
283 #define MC417_GPIO_SEL(x)	(((x) << 1) & 0x00000006)
284 #define MC417_UART_GPIO_EN	0x00000001
285 
286 /* Values for speed control */
287 #define MC417_SPD_CTL_SLOW	0x1
288 #define MC417_SPD_CTL_MEDIUM	0x0
289 #define MC417_SPD_CTL_FAST	0x3     /* b'1x, but we use b'11 */
290 
291 /* Values for GPIO select */
292 #define MC417_GPIO_SEL_GPIO3	0x3
293 #define MC417_GPIO_SEL_GPIO2	0x2
294 #define MC417_GPIO_SEL_GPIO1	0x1
295 #define MC417_GPIO_SEL_GPIO0	0x0
296 
297 
298 #define CX23417_GPIO_MASK 0xFC0003FF
299 static int setITVCReg(struct cx231xx *dev, u32 gpio_direction, u32 value)
300 {
301 	int status = 0;
302 	u32 _gpio_direction = 0;
303 
304 	_gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
305 	_gpio_direction = _gpio_direction|gpio_direction;
306 	status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
307 			 (u8 *)&value, 4, 0, 0);
308 	return status;
309 }
310 static int getITVCReg(struct cx231xx *dev, u32 gpio_direction, u32 *pValue)
311 {
312 	int status = 0;
313 	u32 _gpio_direction = 0;
314 
315 	_gpio_direction = _gpio_direction & CX23417_GPIO_MASK;
316 	_gpio_direction = _gpio_direction|gpio_direction;
317 
318 	status = cx231xx_send_gpio_cmd(dev, _gpio_direction,
319 		 (u8 *)pValue, 4, 0, 1);
320 	return status;
321 }
322 
323 static int waitForMciComplete(struct cx231xx *dev)
324 {
325 	u32 gpio;
326 	u32 gpio_driection = 0;
327 	u8 count = 0;
328 	getITVCReg(dev, gpio_driection, &gpio);
329 
330 	while (!(gpio&0x020000)) {
331 		msleep(10);
332 
333 		getITVCReg(dev, gpio_driection, &gpio);
334 
335 		if (count++ > 100) {
336 			dprintk(3, "ERROR: Timeout - gpio=%x\n", gpio);
337 			return -1;
338 		}
339 	}
340 	return 0;
341 }
342 
343 static int mc417_register_write(struct cx231xx *dev, u16 address, u32 value)
344 {
345 	u32 temp;
346 	int status = 0;
347 
348 	temp = 0x82|MCI_REGISTER_DATA_BYTE0|((value&0x000000FF)<<8);
349 	temp = temp<<10;
350 	status = setITVCReg(dev, ITVC_WRITE_DIR, temp);
351 	if (status < 0)
352 		return status;
353 	temp = temp|((0x05)<<10);
354 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
355 
356 	/*write data byte 1;*/
357 	temp = 0x82|MCI_REGISTER_DATA_BYTE1|(value&0x0000FF00);
358 	temp = temp<<10;
359 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
360 	temp = temp|((0x05)<<10);
361 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
362 
363 	/*write data byte 2;*/
364 	temp = 0x82|MCI_REGISTER_DATA_BYTE2|((value&0x00FF0000)>>8);
365 	temp = temp<<10;
366 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
367 	temp = temp|((0x05)<<10);
368 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
369 
370 	/*write data byte 3;*/
371 	temp = 0x82|MCI_REGISTER_DATA_BYTE3|((value&0xFF000000)>>16);
372 	temp = temp<<10;
373 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
374 	temp = temp|((0x05)<<10);
375 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
376 
377 	/*write address byte 0;*/
378 	temp = 0x82|MCI_REGISTER_ADDRESS_BYTE0|((address&0x000000FF)<<8);
379 	temp = temp<<10;
380 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
381 	temp = temp|((0x05)<<10);
382 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
383 
384 	/*write address byte 1;*/
385 	temp = 0x82|MCI_REGISTER_ADDRESS_BYTE1|(address&0x0000FF00);
386 	temp = temp<<10;
387 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
388 	temp = temp|((0x05)<<10);
389 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
390 
391 	/*Write that the mode is write.*/
392 	temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_WRITE;
393 	temp = temp<<10;
394 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
395 	temp = temp|((0x05)<<10);
396 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
397 
398 	return waitForMciComplete(dev);
399 }
400 
401 static int mc417_register_read(struct cx231xx *dev, u16 address, u32 *value)
402 {
403 	/*write address byte 0;*/
404 	u32 temp;
405 	u32 return_value = 0;
406 	int ret = 0;
407 
408 	temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE0 | ((address & 0x00FF) << 8);
409 	temp = temp << 10;
410 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
411 	temp = temp | ((0x05) << 10);
412 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
413 
414 	/*write address byte 1;*/
415 	temp = 0x82 | MCI_REGISTER_ADDRESS_BYTE1 | (address & 0xFF00);
416 	temp = temp << 10;
417 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
418 	temp = temp | ((0x05) << 10);
419 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
420 
421 	/*write that the mode is read;*/
422 	temp = 0x82 | MCI_REGISTER_MODE | MCI_MODE_REGISTER_READ;
423 	temp = temp << 10;
424 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
425 	temp = temp | ((0x05) << 10);
426 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
427 
428 	/*wait for the MIRDY line to be asserted ,
429 	signalling that the read is done;*/
430 	ret = waitForMciComplete(dev);
431 
432 	/*switch the DATA- GPIO to input mode;*/
433 
434 	/*Read data byte 0;*/
435 	temp = (0x82 | MCI_REGISTER_DATA_BYTE0) << 10;
436 	setITVCReg(dev, ITVC_READ_DIR, temp);
437 	temp = ((0x81 | MCI_REGISTER_DATA_BYTE0) << 10);
438 	setITVCReg(dev, ITVC_READ_DIR, temp);
439 	getITVCReg(dev, ITVC_READ_DIR, &temp);
440 	return_value |= ((temp & 0x03FC0000) >> 18);
441 	setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10));
442 
443 	/* Read data byte 1;*/
444 	temp = (0x82 | MCI_REGISTER_DATA_BYTE1) << 10;
445 	setITVCReg(dev, ITVC_READ_DIR, temp);
446 	temp = ((0x81 | MCI_REGISTER_DATA_BYTE1) << 10);
447 	setITVCReg(dev, ITVC_READ_DIR, temp);
448 	getITVCReg(dev, ITVC_READ_DIR, &temp);
449 
450 	return_value |= ((temp & 0x03FC0000) >> 10);
451 	setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10));
452 
453 	/*Read data byte 2;*/
454 	temp = (0x82 | MCI_REGISTER_DATA_BYTE2) << 10;
455 	setITVCReg(dev, ITVC_READ_DIR, temp);
456 	temp = ((0x81 | MCI_REGISTER_DATA_BYTE2) << 10);
457 	setITVCReg(dev, ITVC_READ_DIR, temp);
458 	getITVCReg(dev, ITVC_READ_DIR, &temp);
459 	return_value |= ((temp & 0x03FC0000) >> 2);
460 	setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10));
461 
462 	/*Read data byte 3;*/
463 	temp = (0x82 | MCI_REGISTER_DATA_BYTE3) << 10;
464 	setITVCReg(dev, ITVC_READ_DIR, temp);
465 	temp = ((0x81 | MCI_REGISTER_DATA_BYTE3) << 10);
466 	setITVCReg(dev, ITVC_READ_DIR, temp);
467 	getITVCReg(dev, ITVC_READ_DIR, &temp);
468 	return_value |= ((temp & 0x03FC0000) << 6);
469 	setITVCReg(dev, ITVC_READ_DIR, (0x87 << 10));
470 
471 	*value  = return_value;
472 
473 
474 	return ret;
475 }
476 
477 static int mc417_memory_write(struct cx231xx *dev, u32 address, u32 value)
478 {
479 	/*write data byte 0;*/
480 
481 	u32 temp;
482 	int ret = 0;
483 
484 	temp = 0x82 | MCI_MEMORY_DATA_BYTE0|((value & 0x000000FF) << 8);
485 	temp = temp << 10;
486 	ret = setITVCReg(dev, ITVC_WRITE_DIR, temp);
487 	if (ret < 0)
488 		return ret;
489 	temp = temp | ((0x05) << 10);
490 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
491 
492 	/*write data byte 1;*/
493 	temp = 0x82 | MCI_MEMORY_DATA_BYTE1 | (value & 0x0000FF00);
494 	temp = temp << 10;
495 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
496 	temp = temp | ((0x05) << 10);
497 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
498 
499 	/*write data byte 2;*/
500 	temp = 0x82|MCI_MEMORY_DATA_BYTE2|((value&0x00FF0000)>>8);
501 	temp = temp<<10;
502 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
503 	temp = temp|((0x05)<<10);
504 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
505 
506 	/*write data byte 3;*/
507 	temp = 0x82|MCI_MEMORY_DATA_BYTE3|((value&0xFF000000)>>16);
508 	temp = temp<<10;
509 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
510 	temp = temp|((0x05)<<10);
511 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
512 
513 	/* write address byte 2;*/
514 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
515 		((address & 0x003F0000)>>8);
516 	temp = temp<<10;
517 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
518 	temp = temp|((0x05)<<10);
519 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
520 
521 	/* write address byte 1;*/
522 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
523 	temp = temp<<10;
524 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
525 	temp = temp|((0x05)<<10);
526 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
527 
528 	/* write address byte 0;*/
529 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE0|((address & 0x00FF)<<8);
530 	temp = temp<<10;
531 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
532 	temp = temp|((0x05)<<10);
533 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
534 
535 	/*wait for MIRDY line;*/
536 	waitForMciComplete(dev);
537 
538 	return 0;
539 }
540 
541 static int mc417_memory_read(struct cx231xx *dev, u32 address, u32 *value)
542 {
543 	u32 temp = 0;
544 	u32 return_value = 0;
545 	int ret = 0;
546 
547 	/*write address byte 2;*/
548 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_READ |
549 		((address & 0x003F0000)>>8);
550 	temp = temp<<10;
551 	ret = setITVCReg(dev, ITVC_WRITE_DIR, temp);
552 	if (ret < 0)
553 		return ret;
554 	temp = temp|((0x05)<<10);
555 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
556 
557 	/*write address byte 1*/
558 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
559 	temp = temp<<10;
560 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
561 	temp = temp|((0x05)<<10);
562 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
563 
564 	/*write address byte 0*/
565 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE0 | ((address & 0x00FF)<<8);
566 	temp = temp<<10;
567 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
568 	temp = temp|((0x05)<<10);
569 	setITVCReg(dev, ITVC_WRITE_DIR, temp);
570 
571 	/*Wait for MIRDY line*/
572 	ret = waitForMciComplete(dev);
573 
574 
575 	/*Read data byte 3;*/
576 	temp = (0x82|MCI_MEMORY_DATA_BYTE3)<<10;
577 	setITVCReg(dev, ITVC_READ_DIR, temp);
578 	temp = ((0x81|MCI_MEMORY_DATA_BYTE3)<<10);
579 	setITVCReg(dev, ITVC_READ_DIR, temp);
580 	getITVCReg(dev, ITVC_READ_DIR, &temp);
581 	return_value |= ((temp&0x03FC0000)<<6);
582 	setITVCReg(dev, ITVC_READ_DIR, (0x87<<10));
583 
584 	/*Read data byte 2;*/
585 	temp = (0x82|MCI_MEMORY_DATA_BYTE2)<<10;
586 	setITVCReg(dev, ITVC_READ_DIR, temp);
587 	temp = ((0x81|MCI_MEMORY_DATA_BYTE2)<<10);
588 	setITVCReg(dev, ITVC_READ_DIR, temp);
589 	getITVCReg(dev, ITVC_READ_DIR, &temp);
590 	return_value |= ((temp&0x03FC0000)>>2);
591 	setITVCReg(dev, ITVC_READ_DIR, (0x87<<10));
592 
593 	/* Read data byte 1;*/
594 	temp = (0x82|MCI_MEMORY_DATA_BYTE1)<<10;
595 	setITVCReg(dev, ITVC_READ_DIR, temp);
596 	temp = ((0x81|MCI_MEMORY_DATA_BYTE1)<<10);
597 	setITVCReg(dev, ITVC_READ_DIR, temp);
598 	getITVCReg(dev, ITVC_READ_DIR, &temp);
599 	return_value |= ((temp&0x03FC0000)>>10);
600 	setITVCReg(dev, ITVC_READ_DIR, (0x87<<10));
601 
602 	/*Read data byte 0;*/
603 	temp = (0x82|MCI_MEMORY_DATA_BYTE0)<<10;
604 	setITVCReg(dev, ITVC_READ_DIR, temp);
605 	temp = ((0x81|MCI_MEMORY_DATA_BYTE0)<<10);
606 	setITVCReg(dev, ITVC_READ_DIR, temp);
607 	getITVCReg(dev, ITVC_READ_DIR, &temp);
608 	return_value |= ((temp&0x03FC0000)>>18);
609 	setITVCReg(dev, ITVC_READ_DIR, (0x87<<10));
610 
611 	*value  = return_value;
612 	return ret;
613 }
614 
615 /* ------------------------------------------------------------------ */
616 
617 /* MPEG encoder API */
618 static char *cmd_to_str(int cmd)
619 {
620 	switch (cmd) {
621 	case CX2341X_ENC_PING_FW:
622 		return  "PING_FW";
623 	case CX2341X_ENC_START_CAPTURE:
624 		return  "START_CAPTURE";
625 	case CX2341X_ENC_STOP_CAPTURE:
626 		return  "STOP_CAPTURE";
627 	case CX2341X_ENC_SET_AUDIO_ID:
628 		return  "SET_AUDIO_ID";
629 	case CX2341X_ENC_SET_VIDEO_ID:
630 		return  "SET_VIDEO_ID";
631 	case CX2341X_ENC_SET_PCR_ID:
632 		return  "SET_PCR_PID";
633 	case CX2341X_ENC_SET_FRAME_RATE:
634 		return  "SET_FRAME_RATE";
635 	case CX2341X_ENC_SET_FRAME_SIZE:
636 		return  "SET_FRAME_SIZE";
637 	case CX2341X_ENC_SET_BIT_RATE:
638 		return  "SET_BIT_RATE";
639 	case CX2341X_ENC_SET_GOP_PROPERTIES:
640 		return  "SET_GOP_PROPERTIES";
641 	case CX2341X_ENC_SET_ASPECT_RATIO:
642 		return  "SET_ASPECT_RATIO";
643 	case CX2341X_ENC_SET_DNR_FILTER_MODE:
644 		return  "SET_DNR_FILTER_PROPS";
645 	case CX2341X_ENC_SET_DNR_FILTER_PROPS:
646 		return  "SET_DNR_FILTER_PROPS";
647 	case CX2341X_ENC_SET_CORING_LEVELS:
648 		return  "SET_CORING_LEVELS";
649 	case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
650 		return  "SET_SPATIAL_FILTER_TYPE";
651 	case CX2341X_ENC_SET_VBI_LINE:
652 		return  "SET_VBI_LINE";
653 	case CX2341X_ENC_SET_STREAM_TYPE:
654 		return  "SET_STREAM_TYPE";
655 	case CX2341X_ENC_SET_OUTPUT_PORT:
656 		return  "SET_OUTPUT_PORT";
657 	case CX2341X_ENC_SET_AUDIO_PROPERTIES:
658 		return  "SET_AUDIO_PROPERTIES";
659 	case CX2341X_ENC_HALT_FW:
660 		return  "HALT_FW";
661 	case CX2341X_ENC_GET_VERSION:
662 		return  "GET_VERSION";
663 	case CX2341X_ENC_SET_GOP_CLOSURE:
664 		return  "SET_GOP_CLOSURE";
665 	case CX2341X_ENC_GET_SEQ_END:
666 		return  "GET_SEQ_END";
667 	case CX2341X_ENC_SET_PGM_INDEX_INFO:
668 		return  "SET_PGM_INDEX_INFO";
669 	case CX2341X_ENC_SET_VBI_CONFIG:
670 		return  "SET_VBI_CONFIG";
671 	case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
672 		return  "SET_DMA_BLOCK_SIZE";
673 	case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
674 		return  "GET_PREV_DMA_INFO_MB_10";
675 	case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
676 		return  "GET_PREV_DMA_INFO_MB_9";
677 	case CX2341X_ENC_SCHED_DMA_TO_HOST:
678 		return  "SCHED_DMA_TO_HOST";
679 	case CX2341X_ENC_INITIALIZE_INPUT:
680 		return  "INITIALIZE_INPUT";
681 	case CX2341X_ENC_SET_FRAME_DROP_RATE:
682 		return  "SET_FRAME_DROP_RATE";
683 	case CX2341X_ENC_PAUSE_ENCODER:
684 		return  "PAUSE_ENCODER";
685 	case CX2341X_ENC_REFRESH_INPUT:
686 		return  "REFRESH_INPUT";
687 	case CX2341X_ENC_SET_COPYRIGHT:
688 		return  "SET_COPYRIGHT";
689 	case CX2341X_ENC_SET_EVENT_NOTIFICATION:
690 		return  "SET_EVENT_NOTIFICATION";
691 	case CX2341X_ENC_SET_NUM_VSYNC_LINES:
692 		return  "SET_NUM_VSYNC_LINES";
693 	case CX2341X_ENC_SET_PLACEHOLDER:
694 		return  "SET_PLACEHOLDER";
695 	case CX2341X_ENC_MUTE_VIDEO:
696 		return  "MUTE_VIDEO";
697 	case CX2341X_ENC_MUTE_AUDIO:
698 		return  "MUTE_AUDIO";
699 	case CX2341X_ENC_MISC:
700 		return  "MISC";
701 	default:
702 		return "UNKNOWN";
703 	}
704 }
705 
706 static int cx231xx_mbox_func(void *priv,
707 			     u32 command,
708 			     int in,
709 			     int out,
710 			     u32 data[CX2341X_MBOX_MAX_DATA])
711 {
712 	struct cx231xx *dev = priv;
713 	unsigned long timeout;
714 	u32 value, flag, retval = 0;
715 	int i;
716 
717 	dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
718 		cmd_to_str(command));
719 
720 	/* this may not be 100% safe if we can't read any memory location
721 	   without side effects */
722 	mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
723 	if (value != 0x12345678) {
724 		dprintk(3,
725 			"Firmware and/or mailbox pointer not initialized "
726 			"or corrupted, signature = 0x%x, cmd = %s\n", value,
727 			cmd_to_str(command));
728 		return -1;
729 	}
730 
731 	/* This read looks at 32 bits, but flag is only 8 bits.
732 	 * Seems we also bail if CMD or TIMEOUT bytes are set???
733 	 */
734 	mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
735 	if (flag) {
736 		dprintk(3, "ERROR: Mailbox appears to be in use "
737 			"(%x), cmd = %s\n", flag, cmd_to_str(command));
738 		return -1;
739 	}
740 
741 	flag |= 1; /* tell 'em we're working on it */
742 	mc417_memory_write(dev, dev->cx23417_mailbox, flag);
743 
744 	/* write command + args + fill remaining with zeros */
745 	/* command code */
746 	mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
747 	mc417_memory_write(dev, dev->cx23417_mailbox + 3,
748 		IVTV_API_STD_TIMEOUT); /* timeout */
749 	for (i = 0; i < in; i++) {
750 		mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
751 		dprintk(3, "API Input %d = %d\n", i, data[i]);
752 	}
753 	for (; i < CX2341X_MBOX_MAX_DATA; i++)
754 		mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
755 
756 	flag |= 3; /* tell 'em we're done writing */
757 	mc417_memory_write(dev, dev->cx23417_mailbox, flag);
758 
759 	/* wait for firmware to handle the API command */
760 	timeout = jiffies + msecs_to_jiffies(10);
761 	for (;;) {
762 		mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
763 		if (0 != (flag & 4))
764 			break;
765 		if (time_after(jiffies, timeout)) {
766 			dprintk(3, "ERROR: API Mailbox timeout\n");
767 			return -1;
768 		}
769 		udelay(10);
770 	}
771 
772 	/* read output values */
773 	for (i = 0; i < out; i++) {
774 		mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
775 		dprintk(3, "API Output %d = %d\n", i, data[i]);
776 	}
777 
778 	mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
779 	dprintk(3, "API result = %d\n", retval);
780 
781 	flag = 0;
782 	mc417_memory_write(dev, dev->cx23417_mailbox, flag);
783 
784 	return retval;
785 }
786 
787 /* We don't need to call the API often, so using just one
788  * mailbox will probably suffice
789  */
790 static int cx231xx_api_cmd(struct cx231xx *dev,
791 			   u32 command,
792 			   u32 inputcnt,
793 			   u32 outputcnt,
794 			   ...)
795 {
796 	u32 data[CX2341X_MBOX_MAX_DATA];
797 	va_list vargs;
798 	int i, err;
799 
800 	dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
801 
802 	va_start(vargs, outputcnt);
803 	for (i = 0; i < inputcnt; i++)
804 		data[i] = va_arg(vargs, int);
805 
806 	err = cx231xx_mbox_func(dev, command, inputcnt, outputcnt, data);
807 	for (i = 0; i < outputcnt; i++) {
808 		int *vptr = va_arg(vargs, int *);
809 		*vptr = data[i];
810 	}
811 	va_end(vargs);
812 
813 	return err;
814 }
815 
816 static int cx231xx_find_mailbox(struct cx231xx *dev)
817 {
818 	u32 signature[4] = {
819 		0x12345678, 0x34567812, 0x56781234, 0x78123456
820 	};
821 	int signaturecnt = 0;
822 	u32 value;
823 	int i;
824 	int ret = 0;
825 
826 	dprintk(2, "%s()\n", __func__);
827 
828 	for (i = 0; i < 0x100; i++) {/*CX231xx_FIRM_IMAGE_SIZE*/
829 		ret = mc417_memory_read(dev, i, &value);
830 		if (ret < 0)
831 			return ret;
832 		if (value == signature[signaturecnt])
833 			signaturecnt++;
834 		else
835 			signaturecnt = 0;
836 		if (4 == signaturecnt) {
837 			dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
838 			return i+1;
839 		}
840 	}
841 	dprintk(3, "Mailbox signature values not found!\n");
842 	return -1;
843 }
844 
845 static void mciWriteMemoryToGPIO(struct cx231xx *dev, u32 address, u32 value,
846 		u32 *p_fw_image)
847 {
848 
849 	u32 temp = 0;
850 	int i = 0;
851 
852 	temp = 0x82|MCI_MEMORY_DATA_BYTE0|((value&0x000000FF)<<8);
853 	temp = temp<<10;
854 	*p_fw_image = temp;
855 	p_fw_image++;
856 	temp = temp|((0x05)<<10);
857 	*p_fw_image = temp;
858 	p_fw_image++;
859 
860 	/*write data byte 1;*/
861 	temp = 0x82|MCI_MEMORY_DATA_BYTE1|(value&0x0000FF00);
862 	temp = temp<<10;
863 	*p_fw_image = temp;
864 	p_fw_image++;
865 	temp = temp|((0x05)<<10);
866 	*p_fw_image = temp;
867 	p_fw_image++;
868 
869 	/*write data byte 2;*/
870 	temp = 0x82|MCI_MEMORY_DATA_BYTE2|((value&0x00FF0000)>>8);
871 	temp = temp<<10;
872 	*p_fw_image = temp;
873 	p_fw_image++;
874 	temp = temp|((0x05)<<10);
875 	*p_fw_image = temp;
876 	p_fw_image++;
877 
878 	/*write data byte 3;*/
879 	temp = 0x82|MCI_MEMORY_DATA_BYTE3|((value&0xFF000000)>>16);
880 	temp = temp<<10;
881 	*p_fw_image = temp;
882 	p_fw_image++;
883 	temp = temp|((0x05)<<10);
884 	*p_fw_image = temp;
885 	p_fw_image++;
886 
887 	/* write address byte 2;*/
888 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE2 | MCI_MODE_MEMORY_WRITE |
889 		((address & 0x003F0000)>>8);
890 	temp = temp<<10;
891 	*p_fw_image = temp;
892 	p_fw_image++;
893 	temp = temp|((0x05)<<10);
894 	*p_fw_image = temp;
895 	p_fw_image++;
896 
897 	/* write address byte 1;*/
898 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE1 | (address & 0xFF00);
899 	temp = temp<<10;
900 	*p_fw_image = temp;
901 	p_fw_image++;
902 	temp = temp|((0x05)<<10);
903 	*p_fw_image = temp;
904 	p_fw_image++;
905 
906 	/* write address byte 0;*/
907 	temp = 0x82|MCI_MEMORY_ADDRESS_BYTE0|((address & 0x00FF)<<8);
908 	temp = temp<<10;
909 	*p_fw_image = temp;
910 	p_fw_image++;
911 	temp = temp|((0x05)<<10);
912 	*p_fw_image = temp;
913 	p_fw_image++;
914 
915 	for (i = 0; i < 6; i++) {
916 		*p_fw_image = 0xFFFFFFFF;
917 		p_fw_image++;
918 	}
919 }
920 
921 
922 static int cx231xx_load_firmware(struct cx231xx *dev)
923 {
924 	static const unsigned char magic[8] = {
925 		0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
926 	};
927 	const struct firmware *firmware;
928 	int i, retval = 0;
929 	u32 value = 0;
930 	u32 gpio_output = 0;
931 	/*u32 checksum = 0;*/
932 	/*u32 *dataptr;*/
933 	u32 transfer_size = 0;
934 	u32 fw_data = 0;
935 	u32 address = 0;
936 	/*u32 current_fw[800];*/
937 	u32 *p_current_fw, *p_fw;
938 	u32 *p_fw_data;
939 	int frame = 0;
940 	u16 _buffer_size = 4096;
941 	u8 *p_buffer;
942 
943 	p_current_fw = vmalloc(1884180 * 4);
944 	p_fw = p_current_fw;
945 	if (p_current_fw == NULL) {
946 		dprintk(2, "FAIL!!!\n");
947 		return -1;
948 	}
949 
950 	p_buffer = vmalloc(4096);
951 	if (p_buffer == NULL) {
952 		dprintk(2, "FAIL!!!\n");
953 		return -1;
954 	}
955 
956 	dprintk(2, "%s()\n", __func__);
957 
958 	/* Save GPIO settings before reset of APU */
959 	retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
960 	retval |= mc417_memory_read(dev, 0x900C, &value);
961 
962 	retval  = mc417_register_write(dev,
963 		IVTV_REG_VPU, 0xFFFFFFED);
964 	retval |= mc417_register_write(dev,
965 		IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
966 	retval |= mc417_register_write(dev,
967 		IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
968 	retval |= mc417_register_write(dev,
969 		IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
970 	retval |= mc417_register_write(dev,
971 		IVTV_REG_APU, 0);
972 
973 	if (retval != 0) {
974 		printk(KERN_ERR "%s: Error with mc417_register_write\n",
975 			__func__);
976 		return -1;
977 	}
978 
979 	retval = request_firmware(&firmware, CX231xx_FIRM_IMAGE_NAME,
980 				  &dev->udev->dev);
981 
982 	if (retval != 0) {
983 		printk(KERN_ERR
984 			"ERROR: Hotplug firmware request failed (%s).\n",
985 			CX231xx_FIRM_IMAGE_NAME);
986 		printk(KERN_ERR "Please fix your hotplug setup, the board will "
987 			"not work without firmware loaded!\n");
988 		return -1;
989 	}
990 
991 	if (firmware->size != CX231xx_FIRM_IMAGE_SIZE) {
992 		printk(KERN_ERR "ERROR: Firmware size mismatch "
993 			"(have %zd, expected %d)\n",
994 			firmware->size, CX231xx_FIRM_IMAGE_SIZE);
995 		release_firmware(firmware);
996 		return -1;
997 	}
998 
999 	if (0 != memcmp(firmware->data, magic, 8)) {
1000 		printk(KERN_ERR
1001 			"ERROR: Firmware magic mismatch, wrong file?\n");
1002 		release_firmware(firmware);
1003 		return -1;
1004 	}
1005 
1006 	initGPIO(dev);
1007 
1008 	/* transfer to the chip */
1009 	dprintk(2, "Loading firmware to GPIO...\n");
1010 	p_fw_data = (u32 *)firmware->data;
1011 	dprintk(2, "firmware->size=%zd\n", firmware->size);
1012 	for (transfer_size = 0; transfer_size < firmware->size;
1013 		 transfer_size += 4) {
1014 		fw_data = *p_fw_data;
1015 
1016 		 mciWriteMemoryToGPIO(dev, address, fw_data, p_current_fw);
1017 		address = address + 1;
1018 		p_current_fw += 20;
1019 		p_fw_data += 1;
1020 	}
1021 
1022 	/*download the firmware by ep5-out*/
1023 
1024 	for (frame = 0; frame < (int)(CX231xx_FIRM_IMAGE_SIZE*20/_buffer_size);
1025 	     frame++) {
1026 		for (i = 0; i < _buffer_size; i++) {
1027 			*(p_buffer + i) = (u8)(*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x000000FF);
1028 			i++;
1029 			*(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x0000FF00) >> 8);
1030 			i++;
1031 			*(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0x00FF0000) >> 16);
1032 			i++;
1033 			*(p_buffer + i) = (u8)((*(p_fw + (frame * 128 * 8 + (i / 4))) & 0xFF000000) >> 24);
1034 		}
1035 		cx231xx_ep5_bulkout(dev, p_buffer, _buffer_size);
1036 	}
1037 
1038 	p_current_fw = p_fw;
1039 	vfree(p_current_fw);
1040 	p_current_fw = NULL;
1041 	uninitGPIO(dev);
1042 	release_firmware(firmware);
1043 	dprintk(1, "Firmware upload successful.\n");
1044 
1045 	retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
1046 		IVTV_CMD_HW_BLOCKS_RST);
1047 	if (retval < 0) {
1048 		printk(KERN_ERR "%s: Error with mc417_register_write\n",
1049 			__func__);
1050 		return retval;
1051 	}
1052 	/* F/W power up disturbs the GPIOs, restore state */
1053 	retval |= mc417_register_write(dev, 0x9020, gpio_output);
1054 	retval |= mc417_register_write(dev, 0x900C, value);
1055 
1056 	retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
1057 	retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
1058 
1059 	if (retval < 0) {
1060 		printk(KERN_ERR "%s: Error with mc417_register_write\n",
1061 			__func__);
1062 		return retval;
1063 	}
1064 	return 0;
1065 }
1066 
1067 static void cx231xx_417_check_encoder(struct cx231xx *dev)
1068 {
1069 	u32 status, seq;
1070 
1071 	status = 0;
1072 	seq = 0;
1073 	cx231xx_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
1074 	dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
1075 }
1076 
1077 static void cx231xx_codec_settings(struct cx231xx *dev)
1078 {
1079 	dprintk(1, "%s()\n", __func__);
1080 
1081 	/* assign frame size */
1082 	cx231xx_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
1083 				dev->ts1.height, dev->ts1.width);
1084 
1085 	dev->mpeg_params.width = dev->ts1.width;
1086 	dev->mpeg_params.height = dev->ts1.height;
1087 
1088 	cx2341x_update(dev, cx231xx_mbox_func, NULL, &dev->mpeg_params);
1089 
1090 	cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
1091 	cx231xx_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
1092 }
1093 
1094 static int cx231xx_initialize_codec(struct cx231xx *dev)
1095 {
1096 	int version;
1097 	int retval;
1098 	u32 i;
1099 	u32 val = 0;
1100 
1101 	dprintk(1, "%s()\n", __func__);
1102 	cx231xx_disable656(dev);
1103 	retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
1104 	if (retval < 0) {
1105 		dprintk(2, "%s() PING OK\n", __func__);
1106 		retval = cx231xx_load_firmware(dev);
1107 		if (retval < 0) {
1108 			printk(KERN_ERR "%s() f/w load failed\n", __func__);
1109 			return retval;
1110 		}
1111 		retval = cx231xx_find_mailbox(dev);
1112 		if (retval < 0) {
1113 			printk(KERN_ERR "%s() mailbox < 0, error\n",
1114 				__func__);
1115 			return -1;
1116 		}
1117 		dev->cx23417_mailbox = retval;
1118 		retval = cx231xx_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
1119 		if (retval < 0) {
1120 			printk(KERN_ERR
1121 				"ERROR: cx23417 firmware ping failed!\n");
1122 			return -1;
1123 		}
1124 		retval = cx231xx_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
1125 			&version);
1126 		if (retval < 0) {
1127 			printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
1128 				"version failed!\n");
1129 			return -1;
1130 		}
1131 		dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
1132 		msleep(200);
1133 	}
1134 
1135 	for (i = 0; i < 1; i++) {
1136 		retval = mc417_register_read(dev, 0x20f8, &val);
1137 		dprintk(3, "***before enable656() VIM Capture Lines =%d ***\n",
1138 				 val);
1139 		if (retval < 0)
1140 			return retval;
1141 	}
1142 
1143 	cx231xx_enable656(dev);
1144 			/* stop mpeg capture */
1145 			cx231xx_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE,
1146 				 3, 0, 1, 3, 4);
1147 
1148 	cx231xx_codec_settings(dev);
1149 	msleep(60);
1150 
1151 /*	cx231xx_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
1152 		CX231xx_FIELD1_SAA7115, CX231xx_FIELD2_SAA7115);
1153 	cx231xx_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
1154 		CX231xx_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1155 		0, 0);
1156 */
1157 
1158 #if 0
1159 	/* TODO */
1160 	u32 data[7];
1161 
1162 	/* Setup to capture VBI */
1163 	data[0] = 0x0001BD00;
1164 	data[1] = 1;          /* frames per interrupt */
1165 	data[2] = 4;          /* total bufs */
1166 	data[3] = 0x91559155; /* start codes */
1167 	data[4] = 0x206080C0; /* stop codes */
1168 	data[5] = 6;          /* lines */
1169 	data[6] = 64;         /* BPL */
1170 
1171 	cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
1172 		data[2], data[3], data[4], data[5], data[6]);
1173 
1174 	for (i = 2; i <= 24; i++) {
1175 		int valid;
1176 
1177 		valid = ((i >= 19) && (i <= 21));
1178 		cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
1179 				valid, 0 , 0, 0);
1180 		cx231xx_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
1181 				i | 0x80000000, valid, 0, 0, 0);
1182 	}
1183 #endif
1184 /*	cx231xx_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX231xx_UNMUTE);
1185 	msleep(60);
1186 */
1187 	/* initialize the video input */
1188 	retval = cx231xx_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
1189 	if (retval < 0)
1190 		return retval;
1191 	msleep(60);
1192 
1193 	/* Enable VIP style pixel invalidation so we work with scaled mode */
1194 	mc417_memory_write(dev, 2120, 0x00000080);
1195 
1196 	/* start capturing to the host interface */
1197 	retval = cx231xx_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
1198 		CX231xx_MPEG_CAPTURE, CX231xx_RAW_BITS_NONE);
1199 	if (retval < 0)
1200 		return retval;
1201 	msleep(10);
1202 
1203 	for (i = 0; i < 1; i++) {
1204 		mc417_register_read(dev, 0x20f8, &val);
1205 	dprintk(3, "***VIM Capture Lines =%d ***\n", val);
1206 	}
1207 
1208 	return 0;
1209 }
1210 
1211 /* ------------------------------------------------------------------ */
1212 
1213 static int bb_buf_setup(struct videobuf_queue *q,
1214 	unsigned int *count, unsigned int *size)
1215 {
1216 	struct cx231xx_fh *fh = q->priv_data;
1217 
1218 	fh->dev->ts1.ts_packet_size  = mpeglinesize;
1219 	fh->dev->ts1.ts_packet_count = mpeglines;
1220 
1221 	*size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1222 	*count = mpegbufs;
1223 
1224 	return 0;
1225 }
1226 static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
1227 {
1228 	struct cx231xx_fh *fh = vq->priv_data;
1229 	struct cx231xx *dev = fh->dev;
1230 	unsigned long flags = 0;
1231 
1232 	if (in_interrupt())
1233 		BUG();
1234 
1235 	spin_lock_irqsave(&dev->video_mode.slock, flags);
1236 	if (dev->USE_ISO) {
1237 		if (dev->video_mode.isoc_ctl.buf == buf)
1238 			dev->video_mode.isoc_ctl.buf = NULL;
1239 	} else {
1240 		if (dev->video_mode.bulk_ctl.buf == buf)
1241 			dev->video_mode.bulk_ctl.buf = NULL;
1242 	}
1243 	spin_unlock_irqrestore(&dev->video_mode.slock, flags);
1244 	videobuf_waiton(vq, &buf->vb, 0, 0);
1245 	videobuf_vmalloc_free(&buf->vb);
1246 	buf->vb.state = VIDEOBUF_NEEDS_INIT;
1247 }
1248 
1249 static void buffer_copy(struct cx231xx *dev, char *data, int len, struct urb *urb,
1250 		struct cx231xx_dmaqueue *dma_q)
1251 {
1252 		void *vbuf;
1253 		struct cx231xx_buffer *buf;
1254 		u32 tail_data = 0;
1255 		char *p_data;
1256 
1257 		if (dma_q->mpeg_buffer_done == 0) {
1258 			if (list_empty(&dma_q->active))
1259 				return;
1260 
1261 			buf = list_entry(dma_q->active.next,
1262 					struct cx231xx_buffer, vb.queue);
1263 			dev->video_mode.isoc_ctl.buf = buf;
1264 			dma_q->mpeg_buffer_done = 1;
1265 		}
1266 		/* Fill buffer */
1267 		buf = dev->video_mode.isoc_ctl.buf;
1268 		vbuf = videobuf_to_vmalloc(&buf->vb);
1269 
1270 		if ((dma_q->mpeg_buffer_completed+len) <
1271 		   mpeglines*mpeglinesize) {
1272 			if (dma_q->add_ps_package_head ==
1273 			   CX231XX_NEED_ADD_PS_PACKAGE_HEAD) {
1274 				memcpy(vbuf+dma_q->mpeg_buffer_completed,
1275 				       dma_q->ps_head, 3);
1276 				dma_q->mpeg_buffer_completed =
1277 				  dma_q->mpeg_buffer_completed + 3;
1278 				dma_q->add_ps_package_head =
1279 				  CX231XX_NONEED_PS_PACKAGE_HEAD;
1280 			}
1281 			memcpy(vbuf+dma_q->mpeg_buffer_completed, data, len);
1282 			dma_q->mpeg_buffer_completed =
1283 			  dma_q->mpeg_buffer_completed + len;
1284 		} else {
1285 			dma_q->mpeg_buffer_done = 0;
1286 
1287 			tail_data =
1288 			  mpeglines*mpeglinesize - dma_q->mpeg_buffer_completed;
1289 			memcpy(vbuf+dma_q->mpeg_buffer_completed,
1290 			       data, tail_data);
1291 
1292 			buf->vb.state = VIDEOBUF_DONE;
1293 			buf->vb.field_count++;
1294 			do_gettimeofday(&buf->vb.ts);
1295 			list_del(&buf->vb.queue);
1296 			wake_up(&buf->vb.done);
1297 			dma_q->mpeg_buffer_completed = 0;
1298 
1299 			if (len - tail_data > 0) {
1300 				p_data = data + tail_data;
1301 				dma_q->left_data_count = len - tail_data;
1302 				memcpy(dma_q->p_left_data,
1303 				       p_data, len - tail_data);
1304 			}
1305 
1306 		}
1307 
1308 	    return;
1309 }
1310 
1311 static void buffer_filled(char *data, int len, struct urb *urb,
1312 		struct cx231xx_dmaqueue *dma_q)
1313 {
1314 		void *vbuf;
1315 		struct cx231xx_buffer *buf;
1316 
1317 		if (list_empty(&dma_q->active))
1318 			return;
1319 
1320 
1321 		buf = list_entry(dma_q->active.next,
1322 				 struct cx231xx_buffer, vb.queue);
1323 
1324 
1325 		/* Fill buffer */
1326 		vbuf = videobuf_to_vmalloc(&buf->vb);
1327 		memcpy(vbuf, data, len);
1328 		buf->vb.state = VIDEOBUF_DONE;
1329 		buf->vb.field_count++;
1330 		do_gettimeofday(&buf->vb.ts);
1331 		list_del(&buf->vb.queue);
1332 		wake_up(&buf->vb.done);
1333 
1334 	    return;
1335 }
1336 static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
1337 {
1338 	struct cx231xx_dmaqueue *dma_q = urb->context;
1339 	unsigned char *p_buffer;
1340 	u32 buffer_size = 0;
1341 	u32 i = 0;
1342 
1343 	for (i = 0; i < urb->number_of_packets; i++) {
1344 		if (dma_q->left_data_count > 0) {
1345 			buffer_copy(dev, dma_q->p_left_data,
1346 				    dma_q->left_data_count, urb, dma_q);
1347 			dma_q->mpeg_buffer_completed = dma_q->left_data_count;
1348 			dma_q->left_data_count = 0;
1349 		}
1350 
1351 		p_buffer = urb->transfer_buffer +
1352 				urb->iso_frame_desc[i].offset;
1353 		buffer_size = urb->iso_frame_desc[i].actual_length;
1354 
1355 		if (buffer_size > 0)
1356 			buffer_copy(dev, p_buffer, buffer_size, urb, dma_q);
1357 	}
1358 
1359 	return 0;
1360 }
1361 static inline int cx231xx_bulk_copy(struct cx231xx *dev, struct urb *urb)
1362 {
1363 
1364 	/*char *outp;*/
1365 	/*struct cx231xx_buffer *buf;*/
1366 	struct cx231xx_dmaqueue *dma_q = urb->context;
1367 	unsigned char *p_buffer, *buffer;
1368 	u32 buffer_size = 0;
1369 
1370 	p_buffer = urb->transfer_buffer;
1371 	buffer_size = urb->actual_length;
1372 
1373 	buffer = kmalloc(buffer_size, GFP_ATOMIC);
1374 
1375 	memcpy(buffer, dma_q->ps_head, 3);
1376 	memcpy(buffer+3, p_buffer, buffer_size-3);
1377 	memcpy(dma_q->ps_head, p_buffer+buffer_size-3, 3);
1378 
1379 	p_buffer = buffer;
1380 	buffer_filled(p_buffer, buffer_size, urb, dma_q);
1381 
1382 	kfree(buffer);
1383 	return 0;
1384 }
1385 
1386 static int bb_buf_prepare(struct videobuf_queue *q,
1387 	struct videobuf_buffer *vb, enum v4l2_field field)
1388 {
1389 	struct cx231xx_fh *fh = q->priv_data;
1390 	struct cx231xx_buffer *buf =
1391 	    container_of(vb, struct cx231xx_buffer, vb);
1392 	struct cx231xx *dev = fh->dev;
1393 	int rc = 0, urb_init = 0;
1394 	int size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
1395 
1396 	dma_qq = &dev->video_mode.vidq;
1397 
1398 	if (0 != buf->vb.baddr  &&  buf->vb.bsize < size)
1399 		return -EINVAL;
1400 	buf->vb.width = fh->dev->ts1.ts_packet_size;
1401 	buf->vb.height = fh->dev->ts1.ts_packet_count;
1402 	buf->vb.size = size;
1403 	buf->vb.field = field;
1404 
1405 	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
1406 		rc = videobuf_iolock(q, &buf->vb, NULL);
1407 		if (rc < 0)
1408 			goto fail;
1409 	}
1410 
1411 	if (dev->USE_ISO) {
1412 		if (!dev->video_mode.isoc_ctl.num_bufs)
1413 			urb_init = 1;
1414 	} else {
1415 		if (!dev->video_mode.bulk_ctl.num_bufs)
1416 			urb_init = 1;
1417 	}
1418 	/*cx231xx_info("urb_init=%d dev->video_mode.max_pkt_size=%d\n",
1419 		urb_init, dev->video_mode.max_pkt_size);*/
1420 	dev->mode_tv = 1;
1421 
1422 	if (urb_init) {
1423 		rc = cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1424 		rc = cx231xx_unmute_audio(dev);
1425 		if (dev->USE_ISO) {
1426 			cx231xx_set_alt_setting(dev, INDEX_TS1, 4);
1427 			rc = cx231xx_init_isoc(dev, mpeglines,
1428 				       mpegbufs,
1429 				       dev->ts1_mode.max_pkt_size,
1430 				       cx231xx_isoc_copy);
1431 		} else {
1432 			cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1433 			rc = cx231xx_init_bulk(dev, mpeglines,
1434 				       mpegbufs,
1435 				       dev->ts1_mode.max_pkt_size,
1436 				       cx231xx_bulk_copy);
1437 		}
1438 		if (rc < 0)
1439 			goto fail;
1440 	}
1441 
1442 	buf->vb.state = VIDEOBUF_PREPARED;
1443 	return 0;
1444 
1445 fail:
1446 	free_buffer(q, buf);
1447 	return rc;
1448 }
1449 
1450 static void bb_buf_queue(struct videobuf_queue *q,
1451 	struct videobuf_buffer *vb)
1452 {
1453 	struct cx231xx_fh *fh = q->priv_data;
1454 
1455 	struct cx231xx_buffer *buf =
1456 	    container_of(vb, struct cx231xx_buffer, vb);
1457 	struct cx231xx *dev = fh->dev;
1458 	struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
1459 
1460 	buf->vb.state = VIDEOBUF_QUEUED;
1461 	list_add_tail(&buf->vb.queue, &vidq->active);
1462 
1463 }
1464 
1465 static void bb_buf_release(struct videobuf_queue *q,
1466 	struct videobuf_buffer *vb)
1467 {
1468 	struct cx231xx_buffer *buf =
1469 	    container_of(vb, struct cx231xx_buffer, vb);
1470 	/*struct cx231xx_fh *fh = q->priv_data;*/
1471 	/*struct cx231xx *dev = (struct cx231xx *)fh->dev;*/
1472 
1473 	free_buffer(q, buf);
1474 }
1475 
1476 static struct videobuf_queue_ops cx231xx_qops = {
1477 	.buf_setup    = bb_buf_setup,
1478 	.buf_prepare  = bb_buf_prepare,
1479 	.buf_queue    = bb_buf_queue,
1480 	.buf_release  = bb_buf_release,
1481 };
1482 
1483 /* ------------------------------------------------------------------ */
1484 
1485 static const u32 *ctrl_classes[] = {
1486 	cx2341x_mpeg_ctrls,
1487 	NULL
1488 };
1489 
1490 static int cx231xx_queryctrl(struct cx231xx *dev,
1491 	struct v4l2_queryctrl *qctrl)
1492 {
1493 	qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
1494 	if (qctrl->id == 0)
1495 		return -EINVAL;
1496 
1497 	/* MPEG V4L2 controls */
1498 	if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl))
1499 		qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
1500 
1501 	return 0;
1502 }
1503 
1504 static int cx231xx_querymenu(struct cx231xx *dev,
1505 	struct v4l2_querymenu *qmenu)
1506 {
1507 	struct v4l2_queryctrl qctrl;
1508 
1509 	qctrl.id = qmenu->id;
1510 	cx231xx_queryctrl(dev, &qctrl);
1511 	return v4l2_ctrl_query_menu(qmenu, &qctrl,
1512 		cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id));
1513 }
1514 
1515 static int vidioc_g_std(struct file *file, void *fh0, v4l2_std_id *norm)
1516 {
1517 	struct cx231xx_fh  *fh  = file->private_data;
1518 	struct cx231xx *dev = fh->dev;
1519 
1520 	*norm = dev->encodernorm.id;
1521 	return 0;
1522 }
1523 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
1524 {
1525 	struct cx231xx_fh  *fh  = file->private_data;
1526 	struct cx231xx *dev = fh->dev;
1527 	unsigned int i;
1528 
1529 	for (i = 0; i < ARRAY_SIZE(cx231xx_tvnorms); i++)
1530 		if (*id & cx231xx_tvnorms[i].id)
1531 			break;
1532 	if (i == ARRAY_SIZE(cx231xx_tvnorms))
1533 		return -EINVAL;
1534 	dev->encodernorm = cx231xx_tvnorms[i];
1535 
1536 	if (dev->encodernorm.id & 0xb000) {
1537 		dprintk(3, "encodernorm set to NTSC\n");
1538 		dev->norm = V4L2_STD_NTSC;
1539 		dev->ts1.height = 480;
1540 		dev->mpeg_params.is_50hz = 0;
1541 	} else {
1542 		dprintk(3, "encodernorm set to PAL\n");
1543 		dev->norm = V4L2_STD_PAL_B;
1544 		dev->ts1.height = 576;
1545 		dev->mpeg_params.is_50hz = 1;
1546 	}
1547 	call_all(dev, core, s_std, dev->norm);
1548 	/* do mode control overrides */
1549 	cx231xx_do_mode_ctrl_overrides(dev);
1550 
1551 	dprintk(3, "exit vidioc_s_std() i=0x%x\n", i);
1552 	return 0;
1553 }
1554 static int vidioc_g_audio(struct file *file, void *fh,
1555 					struct v4l2_audio *a)
1556 {
1557 		struct v4l2_audio *vin = a;
1558 
1559 		int ret = -EINVAL;
1560 		if (vin->index > 0)
1561 			return ret;
1562 		strncpy(vin->name, "VideoGrabber Audio", 14);
1563 		vin->capability = V4L2_AUDCAP_STEREO;
1564 return 0;
1565 }
1566 static int vidioc_enumaudio(struct file *file, void *fh,
1567 					struct v4l2_audio *a)
1568 {
1569 		struct v4l2_audio *vin = a;
1570 
1571 		int ret = -EINVAL;
1572 
1573 		if (vin->index > 0)
1574 			return ret;
1575 		strncpy(vin->name, "VideoGrabber Audio", 14);
1576 		vin->capability = V4L2_AUDCAP_STEREO;
1577 
1578 
1579 return 0;
1580 }
1581 static const char *iname[] = {
1582 	[CX231XX_VMUX_COMPOSITE1] = "Composite1",
1583 	[CX231XX_VMUX_SVIDEO]     = "S-Video",
1584 	[CX231XX_VMUX_TELEVISION] = "Television",
1585 	[CX231XX_VMUX_CABLE]      = "Cable TV",
1586 	[CX231XX_VMUX_DVB]        = "DVB",
1587 	[CX231XX_VMUX_DEBUG]      = "for debug only",
1588 };
1589 static int vidioc_enum_input(struct file *file, void *priv,
1590 				struct v4l2_input *i)
1591 {
1592 	struct cx231xx_fh  *fh  = file->private_data;
1593 	struct cx231xx *dev = fh->dev;
1594 	struct cx231xx_input *input;
1595 	int n;
1596 	dprintk(3, "enter vidioc_enum_input()i->index=%d\n", i->index);
1597 
1598 	if (i->index >= 4)
1599 		return -EINVAL;
1600 
1601 
1602 	input = &cx231xx_boards[dev->model].input[i->index];
1603 
1604 	if (input->type == 0)
1605 		return -EINVAL;
1606 
1607 	/* FIXME
1608 	 * strcpy(i->name, input->name); */
1609 
1610 	n = i->index;
1611 	strcpy(i->name, iname[INPUT(n)->type]);
1612 
1613 	if (input->type == CX231XX_VMUX_TELEVISION ||
1614 	    input->type == CX231XX_VMUX_CABLE)
1615 		i->type = V4L2_INPUT_TYPE_TUNER;
1616 	else
1617 		i->type  = V4L2_INPUT_TYPE_CAMERA;
1618 
1619 
1620 	return 0;
1621 }
1622 
1623 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
1624 {
1625 	*i = 0;
1626 	return  0;
1627 }
1628 
1629 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
1630 {
1631 	struct cx231xx_fh  *fh  = file->private_data;
1632 	struct cx231xx *dev = fh->dev;
1633 
1634 	dprintk(3, "enter vidioc_s_input() i=%d\n", i);
1635 
1636 	mutex_lock(&dev->lock);
1637 
1638 	video_mux(dev, i);
1639 
1640 	mutex_unlock(&dev->lock);
1641 
1642 	if (i >= 4)
1643 		return -EINVAL;
1644 	dev->input = i;
1645 	dprintk(3, "exit vidioc_s_input()\n");
1646 	return 0;
1647 }
1648 
1649 static int vidioc_g_tuner(struct file *file, void *priv,
1650 				struct v4l2_tuner *t)
1651 {
1652 	return 0;
1653 }
1654 
1655 static int vidioc_s_tuner(struct file *file, void *priv,
1656 				struct v4l2_tuner *t)
1657 {
1658 	return 0;
1659 }
1660 
1661 static int vidioc_g_frequency(struct file *file, void *priv,
1662 				struct v4l2_frequency *f)
1663 {
1664 	return 0;
1665 }
1666 
1667 static int vidioc_s_frequency(struct file *file, void *priv,
1668 				struct v4l2_frequency *f)
1669 {
1670 
1671 
1672 	return 0;
1673 }
1674 
1675 static int vidioc_s_ctrl(struct file *file, void *priv,
1676 				struct v4l2_control *ctl)
1677 {
1678 	struct cx231xx_fh  *fh  = file->private_data;
1679 	struct cx231xx *dev = fh->dev;
1680 	dprintk(3, "enter vidioc_s_ctrl()\n");
1681 	/* Update the A/V core */
1682 	call_all(dev, core, s_ctrl, ctl);
1683 	dprintk(3, "exit vidioc_s_ctrl()\n");
1684 	return 0;
1685 }
1686 static struct v4l2_capability pvr_capability = {
1687 	.driver         = "cx231xx",
1688 	.card           = "VideoGrabber",
1689 	.bus_info       = "usb",
1690 	.version        = 1,
1691 	.capabilities   = (V4L2_CAP_VIDEO_CAPTURE |
1692 			   V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_RADIO |
1693 			 V4L2_CAP_STREAMING | V4L2_CAP_READWRITE),
1694 };
1695 static int vidioc_querycap(struct file *file, void  *priv,
1696 				struct v4l2_capability *cap)
1697 {
1698 
1699 
1700 
1701 		memcpy(cap, &pvr_capability, sizeof(struct v4l2_capability));
1702 	return 0;
1703 }
1704 
1705 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
1706 					struct v4l2_fmtdesc *f)
1707 {
1708 
1709 	if (f->index != 0)
1710 		return -EINVAL;
1711 
1712 	strlcpy(f->description, "MPEG", sizeof(f->description));
1713 	f->pixelformat = V4L2_PIX_FMT_MPEG;
1714 
1715 	return 0;
1716 }
1717 
1718 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
1719 				struct v4l2_format *f)
1720 {
1721 	struct cx231xx_fh  *fh  = file->private_data;
1722 	struct cx231xx *dev = fh->dev;
1723 	dprintk(3, "enter vidioc_g_fmt_vid_cap()\n");
1724 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1725 	f->fmt.pix.bytesperline = 0;
1726 	f->fmt.pix.sizeimage    =
1727 		dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1728 	f->fmt.pix.colorspace   = 0;
1729 	f->fmt.pix.width        = dev->ts1.width;
1730 	f->fmt.pix.height       = dev->ts1.height;
1731 	f->fmt.pix.field        = fh->vidq.field;
1732 	dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
1733 		dev->ts1.width, dev->ts1.height, fh->vidq.field);
1734 	dprintk(3, "exit vidioc_g_fmt_vid_cap()\n");
1735 	return 0;
1736 }
1737 
1738 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
1739 				struct v4l2_format *f)
1740 {
1741 	struct cx231xx_fh  *fh  = file->private_data;
1742 	struct cx231xx *dev = fh->dev;
1743 	dprintk(3, "enter vidioc_try_fmt_vid_cap()\n");
1744 	f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
1745 	f->fmt.pix.bytesperline = 0;
1746 	f->fmt.pix.sizeimage    =
1747 		dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
1748 	f->fmt.pix.colorspace   = 0;
1749 	dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
1750 		dev->ts1.width, dev->ts1.height, fh->vidq.field);
1751 	dprintk(3, "exit vidioc_try_fmt_vid_cap()\n");
1752 	return 0;
1753 }
1754 
1755 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
1756 				struct v4l2_format *f)
1757 {
1758 
1759 	return 0;
1760 }
1761 
1762 static int vidioc_reqbufs(struct file *file, void *priv,
1763 				struct v4l2_requestbuffers *p)
1764 {
1765 	struct cx231xx_fh  *fh  = file->private_data;
1766 
1767 	return videobuf_reqbufs(&fh->vidq, p);
1768 }
1769 
1770 static int vidioc_querybuf(struct file *file, void *priv,
1771 				struct v4l2_buffer *p)
1772 {
1773 	struct cx231xx_fh  *fh  = file->private_data;
1774 
1775 	return videobuf_querybuf(&fh->vidq, p);
1776 }
1777 
1778 static int vidioc_qbuf(struct file *file, void *priv,
1779 				struct v4l2_buffer *p)
1780 {
1781 	struct cx231xx_fh  *fh  = file->private_data;
1782 
1783 	return videobuf_qbuf(&fh->vidq, p);
1784 }
1785 
1786 static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
1787 {
1788 	struct cx231xx_fh  *fh  = priv;
1789 
1790 	return videobuf_dqbuf(&fh->vidq, b, file->f_flags & O_NONBLOCK);
1791 }
1792 
1793 
1794 static int vidioc_streamon(struct file *file, void *priv,
1795 				enum v4l2_buf_type i)
1796 {
1797 	struct cx231xx_fh  *fh  = file->private_data;
1798 
1799 	struct cx231xx *dev = fh->dev;
1800 	dprintk(3, "enter vidioc_streamon()\n");
1801 		cx231xx_set_alt_setting(dev, INDEX_TS1, 0);
1802 		cx231xx_set_mode(dev, CX231XX_DIGITAL_MODE);
1803 		if (dev->USE_ISO)
1804 			cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
1805 				       CX231XX_NUM_BUFS,
1806 				       dev->video_mode.max_pkt_size,
1807 				       cx231xx_isoc_copy);
1808 		else {
1809 			cx231xx_init_bulk(dev, 320,
1810 				       5,
1811 				       dev->ts1_mode.max_pkt_size,
1812 				       cx231xx_bulk_copy);
1813 		}
1814 	dprintk(3, "exit vidioc_streamon()\n");
1815 	return videobuf_streamon(&fh->vidq);
1816 }
1817 
1818 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
1819 {
1820 	struct cx231xx_fh  *fh  = file->private_data;
1821 
1822 	return videobuf_streamoff(&fh->vidq);
1823 }
1824 
1825 static int vidioc_g_ext_ctrls(struct file *file, void *priv,
1826 				struct v4l2_ext_controls *f)
1827 {
1828 	struct cx231xx_fh  *fh  = priv;
1829 	struct cx231xx *dev = fh->dev;
1830 	dprintk(3, "enter vidioc_g_ext_ctrls()\n");
1831 	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1832 		return -EINVAL;
1833 	dprintk(3, "exit vidioc_g_ext_ctrls()\n");
1834 	return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS);
1835 }
1836 
1837 static int vidioc_s_ext_ctrls(struct file *file, void *priv,
1838 				struct v4l2_ext_controls *f)
1839 {
1840 	struct cx231xx_fh  *fh  = priv;
1841 	struct cx231xx *dev = fh->dev;
1842 	struct cx2341x_mpeg_params p;
1843 	int err;
1844 	dprintk(3, "enter vidioc_s_ext_ctrls()\n");
1845 	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1846 		return -EINVAL;
1847 
1848 	p = dev->mpeg_params;
1849 	err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1850 	if (err == 0) {
1851 		err = cx2341x_update(dev, cx231xx_mbox_func,
1852 			&dev->mpeg_params, &p);
1853 		dev->mpeg_params = p;
1854 	}
1855 
1856 	return err;
1857 
1858 
1859 return 0;
1860 }
1861 
1862 static int vidioc_try_ext_ctrls(struct file *file, void *priv,
1863 				struct v4l2_ext_controls *f)
1864 {
1865 	struct cx231xx_fh  *fh  = priv;
1866 	struct cx231xx *dev = fh->dev;
1867 	struct cx2341x_mpeg_params p;
1868 	int err;
1869 	dprintk(3, "enter vidioc_try_ext_ctrls()\n");
1870 	if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
1871 		return -EINVAL;
1872 
1873 	p = dev->mpeg_params;
1874 	err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
1875 	dprintk(3, "exit vidioc_try_ext_ctrls() err=%d\n", err);
1876 	return err;
1877 }
1878 
1879 static int vidioc_log_status(struct file *file, void *priv)
1880 {
1881 	struct cx231xx_fh  *fh  = priv;
1882 	struct cx231xx *dev = fh->dev;
1883 	char name[32 + 2];
1884 
1885 	snprintf(name, sizeof(name), "%s/2", dev->name);
1886 	dprintk(3,
1887 		"%s/2: ============  START LOG STATUS  ============\n",
1888 	       dev->name);
1889 	call_all(dev, core, log_status);
1890 	cx2341x_log_status(&dev->mpeg_params, name);
1891 	dprintk(3,
1892 		"%s/2: =============  END LOG STATUS  =============\n",
1893 	       dev->name);
1894 	return 0;
1895 }
1896 
1897 static int vidioc_querymenu(struct file *file, void *priv,
1898 				struct v4l2_querymenu *a)
1899 {
1900 	struct cx231xx_fh  *fh  = priv;
1901 	struct cx231xx *dev = fh->dev;
1902 	dprintk(3, "enter vidioc_querymenu()\n");
1903 	dprintk(3, "exit vidioc_querymenu()\n");
1904 	return cx231xx_querymenu(dev, a);
1905 }
1906 
1907 static int vidioc_queryctrl(struct file *file, void *priv,
1908 				struct v4l2_queryctrl *c)
1909 {
1910 	struct cx231xx_fh  *fh  = priv;
1911 	struct cx231xx *dev = fh->dev;
1912 	dprintk(3, "enter vidioc_queryctrl()\n");
1913 	dprintk(3, "exit vidioc_queryctrl()\n");
1914 	return cx231xx_queryctrl(dev, c);
1915 }
1916 
1917 static int mpeg_open(struct file *file)
1918 {
1919 	int minor = video_devdata(file)->minor;
1920 	struct cx231xx *h, *dev = NULL;
1921 	/*struct list_head *list;*/
1922 	struct cx231xx_fh *fh;
1923 	/*u32 value = 0;*/
1924 
1925 	dprintk(2, "%s()\n", __func__);
1926 
1927 	list_for_each_entry(h, &cx231xx_devlist, devlist) {
1928 		if (h->v4l_device->minor == minor)
1929 			dev = h;
1930 	}
1931 
1932 	if (dev == NULL)
1933 		return -ENODEV;
1934 
1935 	mutex_lock(&dev->lock);
1936 
1937 	/* allocate + initialize per filehandle data */
1938 	fh = kzalloc(sizeof(*fh), GFP_KERNEL);
1939 	if (NULL == fh) {
1940 		mutex_unlock(&dev->lock);
1941 		return -ENOMEM;
1942 	}
1943 
1944 	file->private_data = fh;
1945 	fh->dev      = dev;
1946 
1947 
1948 	videobuf_queue_vmalloc_init(&fh->vidq, &cx231xx_qops,
1949 			    NULL, &dev->video_mode.slock,
1950 			    V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_INTERLACED,
1951 			    sizeof(struct cx231xx_buffer), fh, NULL);
1952 /*
1953 	videobuf_queue_sg_init(&fh->vidq, &cx231xx_qops,
1954 			    &dev->udev->dev, &dev->ts1.slock,
1955 			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
1956 			    V4L2_FIELD_INTERLACED,
1957 			    sizeof(struct cx231xx_buffer),
1958 			    fh, NULL);
1959 */
1960 
1961 
1962 	cx231xx_set_alt_setting(dev, INDEX_VANC, 1);
1963 	cx231xx_set_gpio_value(dev, 2, 0);
1964 
1965 	cx231xx_initialize_codec(dev);
1966 
1967 	mutex_unlock(&dev->lock);
1968 	cx231xx_start_TS1(dev);
1969 
1970 	return 0;
1971 }
1972 
1973 static int mpeg_release(struct file *file)
1974 {
1975 	struct cx231xx_fh  *fh  = file->private_data;
1976 	struct cx231xx *dev = fh->dev;
1977 
1978 	dprintk(3, "mpeg_release()! dev=0x%p\n", dev);
1979 
1980 	if (!dev) {
1981 		dprintk(3, "abort!!!\n");
1982 		return 0;
1983 	}
1984 
1985 	mutex_lock(&dev->lock);
1986 
1987 	cx231xx_stop_TS1(dev);
1988 
1989 		/* do this before setting alternate! */
1990 		if (dev->USE_ISO)
1991 			cx231xx_uninit_isoc(dev);
1992 		else
1993 			cx231xx_uninit_bulk(dev);
1994 		cx231xx_set_mode(dev, CX231XX_SUSPEND);
1995 
1996 		cx231xx_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1997 				CX231xx_END_NOW, CX231xx_MPEG_CAPTURE,
1998 				CX231xx_RAW_BITS_NONE);
1999 
2000 	/* FIXME: Review this crap */
2001 	/* Shut device down on last close */
2002 	if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
2003 		if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
2004 			/* stop mpeg capture */
2005 
2006 			msleep(500);
2007 			cx231xx_417_check_encoder(dev);
2008 
2009 		}
2010 	}
2011 
2012 	if (fh->vidq.streaming)
2013 		videobuf_streamoff(&fh->vidq);
2014 	if (fh->vidq.reading)
2015 		videobuf_read_stop(&fh->vidq);
2016 
2017 	videobuf_mmap_free(&fh->vidq);
2018 	file->private_data = NULL;
2019 	kfree(fh);
2020 	mutex_unlock(&dev->lock);
2021 	return 0;
2022 }
2023 
2024 static ssize_t mpeg_read(struct file *file, char __user *data,
2025 	size_t count, loff_t *ppos)
2026 {
2027 	struct cx231xx_fh *fh = file->private_data;
2028 	struct cx231xx *dev = fh->dev;
2029 
2030 
2031 	/* Deal w/ A/V decoder * and mpeg encoder sync issues. */
2032 	/* Start mpeg encoder on first read. */
2033 	if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
2034 		if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
2035 			if (cx231xx_initialize_codec(dev) < 0)
2036 				return -EINVAL;
2037 		}
2038 	}
2039 
2040 	return videobuf_read_stream(&fh->vidq, data, count, ppos, 0,
2041 				    file->f_flags & O_NONBLOCK);
2042 }
2043 
2044 static unsigned int mpeg_poll(struct file *file,
2045 	struct poll_table_struct *wait)
2046 {
2047 	struct cx231xx_fh *fh = file->private_data;
2048 	/*struct cx231xx *dev = fh->dev;*/
2049 
2050 	/*dprintk(2, "%s\n", __func__);*/
2051 
2052 	return videobuf_poll_stream(file, &fh->vidq, wait);
2053 }
2054 
2055 static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
2056 {
2057 	struct cx231xx_fh *fh = file->private_data;
2058 	struct cx231xx *dev = fh->dev;
2059 
2060 	dprintk(2, "%s()\n", __func__);
2061 
2062 	return videobuf_mmap_mapper(&fh->vidq, vma);
2063 }
2064 
2065 static struct v4l2_file_operations mpeg_fops = {
2066 	.owner	       = THIS_MODULE,
2067 	.open	       = mpeg_open,
2068 	.release       = mpeg_release,
2069 	.read	       = mpeg_read,
2070 	.poll          = mpeg_poll,
2071 	.mmap	       = mpeg_mmap,
2072 	.ioctl	       = video_ioctl2,
2073 };
2074 
2075 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
2076 	.vidioc_s_std		 = vidioc_s_std,
2077 	.vidioc_g_std		 = vidioc_g_std,
2078 	.vidioc_enum_input	 = vidioc_enum_input,
2079 	.vidioc_enumaudio	 = vidioc_enumaudio,
2080 	.vidioc_g_audio		 = vidioc_g_audio,
2081 	.vidioc_g_input		 = vidioc_g_input,
2082 	.vidioc_s_input		 = vidioc_s_input,
2083 	.vidioc_g_tuner		 = vidioc_g_tuner,
2084 	.vidioc_s_tuner		 = vidioc_s_tuner,
2085 	.vidioc_g_frequency	 = vidioc_g_frequency,
2086 	.vidioc_s_frequency	 = vidioc_s_frequency,
2087 	.vidioc_s_ctrl		 = vidioc_s_ctrl,
2088 	.vidioc_querycap	 = vidioc_querycap,
2089 	.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
2090 	.vidioc_g_fmt_vid_cap	 = vidioc_g_fmt_vid_cap,
2091 	.vidioc_try_fmt_vid_cap	 = vidioc_try_fmt_vid_cap,
2092 	.vidioc_s_fmt_vid_cap	 = vidioc_s_fmt_vid_cap,
2093 	.vidioc_reqbufs		 = vidioc_reqbufs,
2094 	.vidioc_querybuf	 = vidioc_querybuf,
2095 	.vidioc_qbuf		 = vidioc_qbuf,
2096 	.vidioc_dqbuf		 = vidioc_dqbuf,
2097 	.vidioc_streamon	 = vidioc_streamon,
2098 	.vidioc_streamoff	 = vidioc_streamoff,
2099 	.vidioc_g_ext_ctrls	 = vidioc_g_ext_ctrls,
2100 	.vidioc_s_ext_ctrls	 = vidioc_s_ext_ctrls,
2101 	.vidioc_try_ext_ctrls	 = vidioc_try_ext_ctrls,
2102 	.vidioc_log_status	 = vidioc_log_status,
2103 	.vidioc_querymenu	 = vidioc_querymenu,
2104 	.vidioc_queryctrl	 = vidioc_queryctrl,
2105 /*	.vidioc_g_chip_ident	 = cx231xx_g_chip_ident,*/
2106 #ifdef CONFIG_VIDEO_ADV_DEBUG
2107 /*	.vidioc_g_register	 = cx231xx_g_register,*/
2108 /*	.vidioc_s_register	 = cx231xx_s_register,*/
2109 #endif
2110 };
2111 
2112 static struct video_device cx231xx_mpeg_template = {
2113 	.name          = "cx231xx",
2114 	.fops          = &mpeg_fops,
2115 	.ioctl_ops     = &mpeg_ioctl_ops,
2116 	.minor         = -1,
2117 	.tvnorms       = CX231xx_NORMS,
2118 	.current_norm  = V4L2_STD_NTSC_M,
2119 };
2120 
2121 void cx231xx_417_unregister(struct cx231xx *dev)
2122 {
2123 	dprintk(1, "%s()\n", __func__);
2124 	dprintk(3, "%s()\n", __func__);
2125 
2126 	if (dev->v4l_device) {
2127 		if (-1 != dev->v4l_device->minor)
2128 			video_unregister_device(dev->v4l_device);
2129 		else
2130 			video_device_release(dev->v4l_device);
2131 		dev->v4l_device = NULL;
2132 	}
2133 }
2134 
2135 static struct video_device *cx231xx_video_dev_alloc(
2136 	struct cx231xx *dev,
2137 	struct usb_device *usbdev,
2138 	struct video_device *template,
2139 	char *type)
2140 {
2141 	struct video_device *vfd;
2142 
2143 	dprintk(1, "%s()\n", __func__);
2144 	vfd = video_device_alloc();
2145 	if (NULL == vfd)
2146 		return NULL;
2147 	*vfd = *template;
2148 	vfd->minor = -1;
2149 	snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
2150 		type, cx231xx_boards[dev->model].name);
2151 
2152 	vfd->v4l2_dev = &dev->v4l2_dev;
2153 	vfd->release = video_device_release;
2154 
2155 	return vfd;
2156 
2157 }
2158 
2159 int cx231xx_417_register(struct cx231xx *dev)
2160 {
2161 	/* FIXME: Port1 hardcoded here */
2162 	int err = -ENODEV;
2163 	struct cx231xx_tsport *tsport = &dev->ts1;
2164 
2165 	dprintk(1, "%s()\n", __func__);
2166 
2167 	/* Set default TV standard */
2168 	dev->encodernorm = cx231xx_tvnorms[0];
2169 
2170 	if (dev->encodernorm.id & V4L2_STD_525_60)
2171 		tsport->height = 480;
2172 	else
2173 		tsport->height = 576;
2174 
2175 	tsport->width = 720;
2176 	cx2341x_fill_defaults(&dev->mpeg_params);
2177 	dev->norm = V4L2_STD_NTSC;
2178 
2179 	dev->mpeg_params.port = CX2341X_PORT_SERIAL;
2180 
2181 	/* Allocate and initialize V4L video device */
2182 	dev->v4l_device = cx231xx_video_dev_alloc(dev,
2183 		dev->udev, &cx231xx_mpeg_template, "mpeg");
2184 	err = video_register_device(dev->v4l_device,
2185 		VFL_TYPE_GRABBER, -1);
2186 	if (err < 0) {
2187 		dprintk(3, "%s: can't register mpeg device\n", dev->name);
2188 		return err;
2189 	}
2190 
2191 	dprintk(3, "%s: registered device video%d [mpeg]\n",
2192 	       dev->name, dev->v4l_device->num);
2193 
2194 	return 0;
2195 }
2196 
2197 MODULE_FIRMWARE(CX231xx_FIRM_IMAGE_NAME);
2198