xref: /linux/drivers/media/i2c/tvp5150.c (revision b889fcf63cb62e7fdb7816565e28f44dbe4a76a5)
1 /*
2  * tvp5150 - Texas Instruments TVP5150A/AM1 video decoder driver
3  *
4  * Copyright (c) 2005,2006 Mauro Carvalho Chehab (mchehab@infradead.org)
5  * This code is placed under the terms of the GNU General Public License v2
6  */
7 
8 #include <linux/i2c.h>
9 #include <linux/slab.h>
10 #include <linux/videodev2.h>
11 #include <linux/delay.h>
12 #include <linux/module.h>
13 #include <media/v4l2-device.h>
14 #include <media/tvp5150.h>
15 #include <media/v4l2-chip-ident.h>
16 #include <media/v4l2-ctrls.h>
17 
18 #include "tvp5150_reg.h"
19 
20 #define TVP5150_H_MAX		720
21 #define TVP5150_V_MAX_525_60	480
22 #define TVP5150_V_MAX_OTHERS	576
23 #define TVP5150_MAX_CROP_LEFT	511
24 #define TVP5150_MAX_CROP_TOP	127
25 #define TVP5150_CROP_SHIFT	2
26 
27 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
28 MODULE_AUTHOR("Mauro Carvalho Chehab");
29 MODULE_LICENSE("GPL");
30 
31 
32 static int debug;
33 module_param(debug, int, 0);
34 MODULE_PARM_DESC(debug, "Debug level (0-2)");
35 
36 struct tvp5150 {
37 	struct v4l2_subdev sd;
38 	struct v4l2_ctrl_handler hdl;
39 	struct v4l2_rect rect;
40 
41 	v4l2_std_id norm;	/* Current set standard */
42 	u32 input;
43 	u32 output;
44 	int enable;
45 };
46 
47 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
48 {
49 	return container_of(sd, struct tvp5150, sd);
50 }
51 
52 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
53 {
54 	return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
55 }
56 
57 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
58 {
59 	struct i2c_client *c = v4l2_get_subdevdata(sd);
60 	unsigned char buffer[1];
61 	int rc;
62 
63 	buffer[0] = addr;
64 
65 	rc = i2c_master_send(c, buffer, 1);
66 	if (rc < 0) {
67 		v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
68 		return rc;
69 	}
70 
71 	msleep(10);
72 
73 	rc = i2c_master_recv(c, buffer, 1);
74 	if (rc < 0) {
75 		v4l2_err(sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
76 		return rc;
77 	}
78 
79 	v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
80 
81 	return (buffer[0]);
82 }
83 
84 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
85 				 unsigned char value)
86 {
87 	struct i2c_client *c = v4l2_get_subdevdata(sd);
88 	unsigned char buffer[2];
89 	int rc;
90 
91 	buffer[0] = addr;
92 	buffer[1] = value;
93 	v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
94 	if (2 != (rc = i2c_master_send(c, buffer, 2)))
95 		v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
96 }
97 
98 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
99 				const u8 end, int max_line)
100 {
101 	int i = 0;
102 
103 	while (init != (u8)(end + 1)) {
104 		if ((i % max_line) == 0) {
105 			if (i > 0)
106 				printk("\n");
107 			printk("tvp5150: %s reg 0x%02x = ", s, init);
108 		}
109 		printk("%02x ", tvp5150_read(sd, init));
110 
111 		init++;
112 		i++;
113 	}
114 	printk("\n");
115 }
116 
117 static int tvp5150_log_status(struct v4l2_subdev *sd)
118 {
119 	printk("tvp5150: Video input source selection #1 = 0x%02x\n",
120 			tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
121 	printk("tvp5150: Analog channel controls = 0x%02x\n",
122 			tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
123 	printk("tvp5150: Operation mode controls = 0x%02x\n",
124 			tvp5150_read(sd, TVP5150_OP_MODE_CTL));
125 	printk("tvp5150: Miscellaneous controls = 0x%02x\n",
126 			tvp5150_read(sd, TVP5150_MISC_CTL));
127 	printk("tvp5150: Autoswitch mask= 0x%02x\n",
128 			tvp5150_read(sd, TVP5150_AUTOSW_MSK));
129 	printk("tvp5150: Color killer threshold control = 0x%02x\n",
130 			tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
131 	printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
132 			tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
133 			tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
134 			tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
135 	printk("tvp5150: Brightness control = 0x%02x\n",
136 			tvp5150_read(sd, TVP5150_BRIGHT_CTL));
137 	printk("tvp5150: Color saturation control = 0x%02x\n",
138 			tvp5150_read(sd, TVP5150_SATURATION_CTL));
139 	printk("tvp5150: Hue control = 0x%02x\n",
140 			tvp5150_read(sd, TVP5150_HUE_CTL));
141 	printk("tvp5150: Contrast control = 0x%02x\n",
142 			tvp5150_read(sd, TVP5150_CONTRAST_CTL));
143 	printk("tvp5150: Outputs and data rates select = 0x%02x\n",
144 			tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
145 	printk("tvp5150: Configuration shared pins = 0x%02x\n",
146 			tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
147 	printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
148 			tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
149 			tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
150 	printk("tvp5150: Active video cropping stop  = 0x%02x%02x\n",
151 			tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
152 			tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
153 	printk("tvp5150: Genlock/RTC = 0x%02x\n",
154 			tvp5150_read(sd, TVP5150_GENLOCK));
155 	printk("tvp5150: Horizontal sync start = 0x%02x\n",
156 			tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
157 	printk("tvp5150: Vertical blanking start = 0x%02x\n",
158 			tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
159 	printk("tvp5150: Vertical blanking stop = 0x%02x\n",
160 			tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
161 	printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
162 			tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
163 			tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
164 	printk("tvp5150: Interrupt reset register B = 0x%02x\n",
165 			tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
166 	printk("tvp5150: Interrupt enable register B = 0x%02x\n",
167 			tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
168 	printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
169 			tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
170 	printk("tvp5150: Video standard = 0x%02x\n",
171 			tvp5150_read(sd, TVP5150_VIDEO_STD));
172 	printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
173 			tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
174 			tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
175 	printk("tvp5150: Macrovision on counter = 0x%02x\n",
176 			tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
177 	printk("tvp5150: Macrovision off counter = 0x%02x\n",
178 			tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
179 	printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
180 			(tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
181 	printk("tvp5150: Device ID = %02x%02x\n",
182 			tvp5150_read(sd, TVP5150_MSB_DEV_ID),
183 			tvp5150_read(sd, TVP5150_LSB_DEV_ID));
184 	printk("tvp5150: ROM version = (hex) %02x.%02x\n",
185 			tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
186 			tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
187 	printk("tvp5150: Vertical line count = 0x%02x%02x\n",
188 			tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
189 			tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
190 	printk("tvp5150: Interrupt status register B = 0x%02x\n",
191 			tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
192 	printk("tvp5150: Interrupt active register B = 0x%02x\n",
193 			tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
194 	printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
195 			tvp5150_read(sd, TVP5150_STATUS_REG_1),
196 			tvp5150_read(sd, TVP5150_STATUS_REG_2),
197 			tvp5150_read(sd, TVP5150_STATUS_REG_3),
198 			tvp5150_read(sd, TVP5150_STATUS_REG_4),
199 			tvp5150_read(sd, TVP5150_STATUS_REG_5));
200 
201 	dump_reg_range(sd, "Teletext filter 1",   TVP5150_TELETEXT_FIL1_INI,
202 			TVP5150_TELETEXT_FIL1_END, 8);
203 	dump_reg_range(sd, "Teletext filter 2",   TVP5150_TELETEXT_FIL2_INI,
204 			TVP5150_TELETEXT_FIL2_END, 8);
205 
206 	printk("tvp5150: Teletext filter enable = 0x%02x\n",
207 			tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
208 	printk("tvp5150: Interrupt status register A = 0x%02x\n",
209 			tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
210 	printk("tvp5150: Interrupt enable register A = 0x%02x\n",
211 			tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
212 	printk("tvp5150: Interrupt configuration = 0x%02x\n",
213 			tvp5150_read(sd, TVP5150_INT_CONF));
214 	printk("tvp5150: VDP status register = 0x%02x\n",
215 			tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
216 	printk("tvp5150: FIFO word count = 0x%02x\n",
217 			tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
218 	printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
219 			tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
220 	printk("tvp5150: FIFO reset = 0x%02x\n",
221 			tvp5150_read(sd, TVP5150_FIFO_RESET));
222 	printk("tvp5150: Line number interrupt = 0x%02x\n",
223 			tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
224 	printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
225 			tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
226 			tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
227 	printk("tvp5150: FIFO output control = 0x%02x\n",
228 			tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
229 	printk("tvp5150: Full field enable = 0x%02x\n",
230 			tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
231 	printk("tvp5150: Full field mode register = 0x%02x\n",
232 			tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
233 
234 	dump_reg_range(sd, "CC   data",   TVP5150_CC_DATA_INI,
235 			TVP5150_CC_DATA_END, 8);
236 
237 	dump_reg_range(sd, "WSS  data",   TVP5150_WSS_DATA_INI,
238 			TVP5150_WSS_DATA_END, 8);
239 
240 	dump_reg_range(sd, "VPS  data",   TVP5150_VPS_DATA_INI,
241 			TVP5150_VPS_DATA_END, 8);
242 
243 	dump_reg_range(sd, "VITC data",   TVP5150_VITC_DATA_INI,
244 			TVP5150_VITC_DATA_END, 10);
245 
246 	dump_reg_range(sd, "Line mode",   TVP5150_LINE_MODE_INI,
247 			TVP5150_LINE_MODE_END, 8);
248 	return 0;
249 }
250 
251 /****************************************************************************
252 			Basic functions
253  ****************************************************************************/
254 
255 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
256 {
257 	int opmode = 0;
258 	struct tvp5150 *decoder = to_tvp5150(sd);
259 	int input = 0;
260 	int val;
261 
262 	if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
263 		input = 8;
264 
265 	switch (decoder->input) {
266 	case TVP5150_COMPOSITE1:
267 		input |= 2;
268 		/* fall through */
269 	case TVP5150_COMPOSITE0:
270 		break;
271 	case TVP5150_SVIDEO:
272 	default:
273 		input |= 1;
274 		break;
275 	}
276 
277 	v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
278 			"=> tvp5150 input=%i, opmode=%i\n",
279 			decoder->input, decoder->output,
280 			input, opmode);
281 
282 	tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
283 	tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
284 
285 	/* Svideo should enable YCrCb output and disable GPCL output
286 	 * For Composite and TV, it should be the reverse
287 	 */
288 	val = tvp5150_read(sd, TVP5150_MISC_CTL);
289 	if (val < 0) {
290 		v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
291 		return;
292 	}
293 
294 	if (decoder->input == TVP5150_SVIDEO)
295 		val = (val & ~0x40) | 0x10;
296 	else
297 		val = (val & ~0x10) | 0x40;
298 	tvp5150_write(sd, TVP5150_MISC_CTL, val);
299 };
300 
301 struct i2c_reg_value {
302 	unsigned char reg;
303 	unsigned char value;
304 };
305 
306 /* Default values as sugested at TVP5150AM1 datasheet */
307 static const struct i2c_reg_value tvp5150_init_default[] = {
308 	{ /* 0x00 */
309 		TVP5150_VD_IN_SRC_SEL_1,0x00
310 	},
311 	{ /* 0x01 */
312 		TVP5150_ANAL_CHL_CTL,0x15
313 	},
314 	{ /* 0x02 */
315 		TVP5150_OP_MODE_CTL,0x00
316 	},
317 	{ /* 0x03 */
318 		TVP5150_MISC_CTL,0x01
319 	},
320 	{ /* 0x06 */
321 		TVP5150_COLOR_KIL_THSH_CTL,0x10
322 	},
323 	{ /* 0x07 */
324 		TVP5150_LUMA_PROC_CTL_1,0x60
325 	},
326 	{ /* 0x08 */
327 		TVP5150_LUMA_PROC_CTL_2,0x00
328 	},
329 	{ /* 0x09 */
330 		TVP5150_BRIGHT_CTL,0x80
331 	},
332 	{ /* 0x0a */
333 		TVP5150_SATURATION_CTL,0x80
334 	},
335 	{ /* 0x0b */
336 		TVP5150_HUE_CTL,0x00
337 	},
338 	{ /* 0x0c */
339 		TVP5150_CONTRAST_CTL,0x80
340 	},
341 	{ /* 0x0d */
342 		TVP5150_DATA_RATE_SEL,0x47
343 	},
344 	{ /* 0x0e */
345 		TVP5150_LUMA_PROC_CTL_3,0x00
346 	},
347 	{ /* 0x0f */
348 		TVP5150_CONF_SHARED_PIN,0x08
349 	},
350 	{ /* 0x11 */
351 		TVP5150_ACT_VD_CROP_ST_MSB,0x00
352 	},
353 	{ /* 0x12 */
354 		TVP5150_ACT_VD_CROP_ST_LSB,0x00
355 	},
356 	{ /* 0x13 */
357 		TVP5150_ACT_VD_CROP_STP_MSB,0x00
358 	},
359 	{ /* 0x14 */
360 		TVP5150_ACT_VD_CROP_STP_LSB,0x00
361 	},
362 	{ /* 0x15 */
363 		TVP5150_GENLOCK,0x01
364 	},
365 	{ /* 0x16 */
366 		TVP5150_HORIZ_SYNC_START,0x80
367 	},
368 	{ /* 0x18 */
369 		TVP5150_VERT_BLANKING_START,0x00
370 	},
371 	{ /* 0x19 */
372 		TVP5150_VERT_BLANKING_STOP,0x00
373 	},
374 	{ /* 0x1a */
375 		TVP5150_CHROMA_PROC_CTL_1,0x0c
376 	},
377 	{ /* 0x1b */
378 		TVP5150_CHROMA_PROC_CTL_2,0x14
379 	},
380 	{ /* 0x1c */
381 		TVP5150_INT_RESET_REG_B,0x00
382 	},
383 	{ /* 0x1d */
384 		TVP5150_INT_ENABLE_REG_B,0x00
385 	},
386 	{ /* 0x1e */
387 		TVP5150_INTT_CONFIG_REG_B,0x00
388 	},
389 	{ /* 0x28 */
390 		TVP5150_VIDEO_STD,0x00
391 	},
392 	{ /* 0x2e */
393 		TVP5150_MACROVISION_ON_CTR,0x0f
394 	},
395 	{ /* 0x2f */
396 		TVP5150_MACROVISION_OFF_CTR,0x01
397 	},
398 	{ /* 0xbb */
399 		TVP5150_TELETEXT_FIL_ENA,0x00
400 	},
401 	{ /* 0xc0 */
402 		TVP5150_INT_STATUS_REG_A,0x00
403 	},
404 	{ /* 0xc1 */
405 		TVP5150_INT_ENABLE_REG_A,0x00
406 	},
407 	{ /* 0xc2 */
408 		TVP5150_INT_CONF,0x04
409 	},
410 	{ /* 0xc8 */
411 		TVP5150_FIFO_INT_THRESHOLD,0x80
412 	},
413 	{ /* 0xc9 */
414 		TVP5150_FIFO_RESET,0x00
415 	},
416 	{ /* 0xca */
417 		TVP5150_LINE_NUMBER_INT,0x00
418 	},
419 	{ /* 0xcb */
420 		TVP5150_PIX_ALIGN_REG_LOW,0x4e
421 	},
422 	{ /* 0xcc */
423 		TVP5150_PIX_ALIGN_REG_HIGH,0x00
424 	},
425 	{ /* 0xcd */
426 		TVP5150_FIFO_OUT_CTRL,0x01
427 	},
428 	{ /* 0xcf */
429 		TVP5150_FULL_FIELD_ENA,0x00
430 	},
431 	{ /* 0xd0 */
432 		TVP5150_LINE_MODE_INI,0x00
433 	},
434 	{ /* 0xfc */
435 		TVP5150_FULL_FIELD_MODE_REG,0x7f
436 	},
437 	{ /* end of data */
438 		0xff,0xff
439 	}
440 };
441 
442 /* Default values as sugested at TVP5150AM1 datasheet */
443 static const struct i2c_reg_value tvp5150_init_enable[] = {
444 	{
445 		TVP5150_CONF_SHARED_PIN, 2
446 	},{	/* Automatic offset and AGC enabled */
447 		TVP5150_ANAL_CHL_CTL, 0x15
448 	},{	/* Activate YCrCb output 0x9 or 0xd ? */
449 		TVP5150_MISC_CTL, 0x6f
450 	},{	/* Activates video std autodetection for all standards */
451 		TVP5150_AUTOSW_MSK, 0x0
452 	},{	/* Default format: 0x47. For 4:2:2: 0x40 */
453 		TVP5150_DATA_RATE_SEL, 0x47
454 	},{
455 		TVP5150_CHROMA_PROC_CTL_1, 0x0c
456 	},{
457 		TVP5150_CHROMA_PROC_CTL_2, 0x54
458 	},{	/* Non documented, but initialized on WinTV USB2 */
459 		0x27, 0x20
460 	},{
461 		0xff,0xff
462 	}
463 };
464 
465 struct tvp5150_vbi_type {
466 	unsigned int vbi_type;
467 	unsigned int ini_line;
468 	unsigned int end_line;
469 	unsigned int by_field :1;
470 };
471 
472 struct i2c_vbi_ram_value {
473 	u16 reg;
474 	struct tvp5150_vbi_type type;
475 	unsigned char values[16];
476 };
477 
478 /* This struct have the values for each supported VBI Standard
479  * by
480  tvp5150_vbi_types should follow the same order as vbi_ram_default
481  * value 0 means rom position 0x10, value 1 means rom position 0x30
482  * and so on. There are 16 possible locations from 0 to 15.
483  */
484 
485 static struct i2c_vbi_ram_value vbi_ram_default[] =
486 {
487 	/* FIXME: Current api doesn't handle all VBI types, those not
488 	   yet supported are placed under #if 0 */
489 #if 0
490 	{0x010, /* Teletext, SECAM, WST System A */
491 		{V4L2_SLICED_TELETEXT_SECAM,6,23,1},
492 		{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
493 		  0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
494 	},
495 #endif
496 	{0x030, /* Teletext, PAL, WST System B */
497 		{V4L2_SLICED_TELETEXT_B,6,22,1},
498 		{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
499 		  0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
500 	},
501 #if 0
502 	{0x050, /* Teletext, PAL, WST System C */
503 		{V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
504 		{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
505 		  0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
506 	},
507 	{0x070, /* Teletext, NTSC, WST System B */
508 		{V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
509 		{ 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
510 		  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
511 	},
512 	{0x090, /* Tetetext, NTSC NABTS System C */
513 		{V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
514 		{ 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
515 		  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
516 	},
517 	{0x0b0, /* Teletext, NTSC-J, NABTS System D */
518 		{V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
519 		{ 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
520 		  0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
521 	},
522 	{0x0d0, /* Closed Caption, PAL/SECAM */
523 		{V4L2_SLICED_CAPTION_625,22,22,1},
524 		{ 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
525 		  0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
526 	},
527 #endif
528 	{0x0f0, /* Closed Caption, NTSC */
529 		{V4L2_SLICED_CAPTION_525,21,21,1},
530 		{ 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
531 		  0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
532 	},
533 	{0x110, /* Wide Screen Signal, PAL/SECAM */
534 		{V4L2_SLICED_WSS_625,23,23,1},
535 		{ 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
536 		  0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
537 	},
538 #if 0
539 	{0x130, /* Wide Screen Signal, NTSC C */
540 		{V4L2_SLICED_WSS_525,20,20,1},
541 		{ 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
542 		  0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
543 	},
544 	{0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
545 		{V4l2_SLICED_VITC_625,6,22,0},
546 		{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
547 		  0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
548 	},
549 	{0x170, /* Vertical Interval Timecode (VITC), NTSC */
550 		{V4l2_SLICED_VITC_525,10,20,0},
551 		{ 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
552 		  0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
553 	},
554 #endif
555 	{0x190, /* Video Program System (VPS), PAL */
556 		{V4L2_SLICED_VPS,16,16,0},
557 		{ 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
558 		  0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
559 	},
560 	/* 0x1d0 User programmable */
561 
562 	/* End of struct */
563 	{ (u16)-1 }
564 };
565 
566 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
567 				const struct i2c_reg_value *regs)
568 {
569 	while (regs->reg != 0xff) {
570 		tvp5150_write(sd, regs->reg, regs->value);
571 		regs++;
572 	}
573 	return 0;
574 }
575 
576 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
577 				const struct i2c_vbi_ram_value *regs)
578 {
579 	unsigned int i;
580 
581 	/* Disable Full Field */
582 	tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
583 
584 	/* Before programming, Line mode should be at 0xff */
585 	for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
586 		tvp5150_write(sd, i, 0xff);
587 
588 	/* Load Ram Table */
589 	while (regs->reg != (u16)-1) {
590 		tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
591 		tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
592 
593 		for (i = 0; i < 16; i++)
594 			tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
595 
596 		regs++;
597 	}
598 	return 0;
599 }
600 
601 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
602 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
603 				struct v4l2_sliced_vbi_cap *cap)
604 {
605 	const struct i2c_vbi_ram_value *regs = vbi_ram_default;
606 	int line;
607 
608 	v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
609 	memset(cap, 0, sizeof *cap);
610 
611 	while (regs->reg != (u16)-1 ) {
612 		for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
613 			cap->service_lines[0][line] |= regs->type.vbi_type;
614 		}
615 		cap->service_set |= regs->type.vbi_type;
616 
617 		regs++;
618 	}
619 	return 0;
620 }
621 
622 /* Set vbi processing
623  * type - one of tvp5150_vbi_types
624  * line - line to gather data
625  * fields: bit 0 field1, bit 1, field2
626  * flags (default=0xf0) is a bitmask, were set means:
627  *	bit 7: enable filtering null bytes on CC
628  *	bit 6: send data also to FIFO
629  *	bit 5: don't allow data with errors on FIFO
630  *	bit 4: enable ECC when possible
631  * pix_align = pix alignment:
632  *	LSB = field1
633  *	MSB = field2
634  */
635 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
636 			const struct i2c_vbi_ram_value *regs,
637 			unsigned int type,u8 flags, int line,
638 			const int fields)
639 {
640 	struct tvp5150 *decoder = to_tvp5150(sd);
641 	v4l2_std_id std = decoder->norm;
642 	u8 reg;
643 	int pos=0;
644 
645 	if (std == V4L2_STD_ALL) {
646 		v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
647 		return 0;
648 	} else if (std & V4L2_STD_625_50) {
649 		/* Don't follow NTSC Line number convension */
650 		line += 3;
651 	}
652 
653 	if (line<6||line>27)
654 		return 0;
655 
656 	while (regs->reg != (u16)-1 ) {
657 		if ((type & regs->type.vbi_type) &&
658 		    (line>=regs->type.ini_line) &&
659 		    (line<=regs->type.end_line)) {
660 			type=regs->type.vbi_type;
661 			break;
662 		}
663 
664 		regs++;
665 		pos++;
666 	}
667 	if (regs->reg == (u16)-1)
668 		return 0;
669 
670 	type=pos | (flags & 0xf0);
671 	reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
672 
673 	if (fields&1) {
674 		tvp5150_write(sd, reg, type);
675 	}
676 
677 	if (fields&2) {
678 		tvp5150_write(sd, reg+1, type);
679 	}
680 
681 	return type;
682 }
683 
684 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
685 			const struct i2c_vbi_ram_value *regs, int line)
686 {
687 	struct tvp5150 *decoder = to_tvp5150(sd);
688 	v4l2_std_id std = decoder->norm;
689 	u8 reg;
690 	int pos, type = 0;
691 	int i, ret = 0;
692 
693 	if (std == V4L2_STD_ALL) {
694 		v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
695 		return 0;
696 	} else if (std & V4L2_STD_625_50) {
697 		/* Don't follow NTSC Line number convension */
698 		line += 3;
699 	}
700 
701 	if (line < 6 || line > 27)
702 		return 0;
703 
704 	reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
705 
706 	for (i = 0; i <= 1; i++) {
707 		ret = tvp5150_read(sd, reg + i);
708 		if (ret < 0) {
709 			v4l2_err(sd, "%s: failed with error = %d\n",
710 				 __func__, ret);
711 			return 0;
712 		}
713 		pos = ret & 0x0f;
714 		if (pos < 0x0f)
715 			type |= regs[pos].type.vbi_type;
716 	}
717 
718 	return type;
719 }
720 
721 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
722 {
723 	struct tvp5150 *decoder = to_tvp5150(sd);
724 	int fmt = 0;
725 
726 	decoder->norm = std;
727 
728 	/* First tests should be against specific std */
729 
730 	if (std == V4L2_STD_ALL) {
731 		fmt = VIDEO_STD_AUTO_SWITCH_BIT;	/* Autodetect mode */
732 	} else if (std & V4L2_STD_NTSC_443) {
733 		fmt = VIDEO_STD_NTSC_4_43_BIT;
734 	} else if (std & V4L2_STD_PAL_M) {
735 		fmt = VIDEO_STD_PAL_M_BIT;
736 	} else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
737 		fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
738 	} else {
739 		/* Then, test against generic ones */
740 		if (std & V4L2_STD_NTSC)
741 			fmt = VIDEO_STD_NTSC_MJ_BIT;
742 		else if (std & V4L2_STD_PAL)
743 			fmt = VIDEO_STD_PAL_BDGHIN_BIT;
744 		else if (std & V4L2_STD_SECAM)
745 			fmt = VIDEO_STD_SECAM_BIT;
746 	}
747 
748 	v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
749 	tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
750 	return 0;
751 }
752 
753 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
754 {
755 	struct tvp5150 *decoder = to_tvp5150(sd);
756 
757 	if (decoder->norm == std)
758 		return 0;
759 
760 	/* Change cropping height limits */
761 	if (std & V4L2_STD_525_60)
762 		decoder->rect.height = TVP5150_V_MAX_525_60;
763 	else
764 		decoder->rect.height = TVP5150_V_MAX_OTHERS;
765 
766 
767 	return tvp5150_set_std(sd, std);
768 }
769 
770 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
771 {
772 	struct tvp5150 *decoder = to_tvp5150(sd);
773 
774 	/* Initializes TVP5150 to its default values */
775 	tvp5150_write_inittab(sd, tvp5150_init_default);
776 
777 	/* Initializes VDP registers */
778 	tvp5150_vdp_init(sd, vbi_ram_default);
779 
780 	/* Selects decoder input */
781 	tvp5150_selmux(sd);
782 
783 	/* Initializes TVP5150 to stream enabled values */
784 	tvp5150_write_inittab(sd, tvp5150_init_enable);
785 
786 	/* Initialize image preferences */
787 	v4l2_ctrl_handler_setup(&decoder->hdl);
788 
789 	tvp5150_set_std(sd, decoder->norm);
790 	return 0;
791 };
792 
793 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
794 {
795 	struct v4l2_subdev *sd = to_sd(ctrl);
796 
797 	switch (ctrl->id) {
798 	case V4L2_CID_BRIGHTNESS:
799 		tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
800 		return 0;
801 	case V4L2_CID_CONTRAST:
802 		tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
803 		return 0;
804 	case V4L2_CID_SATURATION:
805 		tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
806 		return 0;
807 	case V4L2_CID_HUE:
808 		tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
809 		return 0;
810 	}
811 	return -EINVAL;
812 }
813 
814 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
815 {
816 	int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
817 
818 	switch (val & 0x0F) {
819 	case 0x01:
820 		return V4L2_STD_NTSC;
821 	case 0x03:
822 		return V4L2_STD_PAL;
823 	case 0x05:
824 		return V4L2_STD_PAL_M;
825 	case 0x07:
826 		return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
827 	case 0x09:
828 		return V4L2_STD_NTSC_443;
829 	case 0xb:
830 		return V4L2_STD_SECAM;
831 	default:
832 		return V4L2_STD_UNKNOWN;
833 	}
834 }
835 
836 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
837 						enum v4l2_mbus_pixelcode *code)
838 {
839 	if (index)
840 		return -EINVAL;
841 
842 	*code = V4L2_MBUS_FMT_UYVY8_2X8;
843 	return 0;
844 }
845 
846 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,
847 			    struct v4l2_mbus_framefmt *f)
848 {
849 	struct tvp5150 *decoder = to_tvp5150(sd);
850 
851 	if (f == NULL)
852 		return -EINVAL;
853 
854 	tvp5150_reset(sd, 0);
855 
856 	f->width = decoder->rect.width;
857 	f->height = decoder->rect.height;
858 
859 	f->code = V4L2_MBUS_FMT_UYVY8_2X8;
860 	f->field = V4L2_FIELD_SEQ_TB;
861 	f->colorspace = V4L2_COLORSPACE_SMPTE170M;
862 
863 	v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
864 			f->height);
865 	return 0;
866 }
867 
868 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
869 {
870 	struct v4l2_rect rect = a->c;
871 	struct tvp5150 *decoder = to_tvp5150(sd);
872 	v4l2_std_id std;
873 	int hmax;
874 
875 	v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
876 		__func__, rect.left, rect.top, rect.width, rect.height);
877 
878 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
879 		return -EINVAL;
880 
881 	/* tvp5150 has some special limits */
882 	rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
883 	rect.width = clamp(rect.width,
884 			   TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
885 			   TVP5150_H_MAX - rect.left);
886 	rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
887 
888 	/* Calculate height based on current standard */
889 	if (decoder->norm == V4L2_STD_ALL)
890 		std = tvp5150_read_std(sd);
891 	else
892 		std = decoder->norm;
893 
894 	if (std & V4L2_STD_525_60)
895 		hmax = TVP5150_V_MAX_525_60;
896 	else
897 		hmax = TVP5150_V_MAX_OTHERS;
898 
899 	rect.height = clamp(rect.height,
900 			    hmax - TVP5150_MAX_CROP_TOP - rect.top,
901 			    hmax - rect.top);
902 
903 	tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
904 	tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
905 		      rect.top + rect.height - hmax);
906 	tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
907 		      rect.left >> TVP5150_CROP_SHIFT);
908 	tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
909 		      rect.left | (1 << TVP5150_CROP_SHIFT));
910 	tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
911 		      (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
912 		      TVP5150_CROP_SHIFT);
913 	tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
914 		      rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
915 
916 	decoder->rect = rect;
917 
918 	return 0;
919 }
920 
921 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
922 {
923 	struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
924 
925 	a->c	= decoder->rect;
926 	a->type	= V4L2_BUF_TYPE_VIDEO_CAPTURE;
927 
928 	return 0;
929 }
930 
931 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
932 {
933 	struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
934 	v4l2_std_id std;
935 
936 	if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
937 		return -EINVAL;
938 
939 	a->bounds.left			= 0;
940 	a->bounds.top			= 0;
941 	a->bounds.width			= TVP5150_H_MAX;
942 
943 	/* Calculate height based on current standard */
944 	if (decoder->norm == V4L2_STD_ALL)
945 		std = tvp5150_read_std(sd);
946 	else
947 		std = decoder->norm;
948 
949 	if (std & V4L2_STD_525_60)
950 		a->bounds.height = TVP5150_V_MAX_525_60;
951 	else
952 		a->bounds.height = TVP5150_V_MAX_OTHERS;
953 
954 	a->defrect			= a->bounds;
955 	a->pixelaspect.numerator	= 1;
956 	a->pixelaspect.denominator	= 1;
957 
958 	return 0;
959 }
960 
961 /****************************************************************************
962 			I2C Command
963  ****************************************************************************/
964 
965 static int tvp5150_s_routing(struct v4l2_subdev *sd,
966 			     u32 input, u32 output, u32 config)
967 {
968 	struct tvp5150 *decoder = to_tvp5150(sd);
969 
970 	decoder->input = input;
971 	decoder->output = output;
972 	tvp5150_selmux(sd);
973 	return 0;
974 }
975 
976 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
977 {
978 	/* this is for capturing 36 raw vbi lines
979 	   if there's a way to cut off the beginning 2 vbi lines
980 	   with the tvp5150 then the vbi line count could be lowered
981 	   to 17 lines/field again, although I couldn't find a register
982 	   which could do that cropping */
983 	if (fmt->sample_format == V4L2_PIX_FMT_GREY)
984 		tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
985 	if (fmt->count[0] == 18 && fmt->count[1] == 18) {
986 		tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
987 		tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
988 	}
989 	return 0;
990 }
991 
992 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
993 {
994 	int i;
995 
996 	if (svbi->service_set != 0) {
997 		for (i = 0; i <= 23; i++) {
998 			svbi->service_lines[1][i] = 0;
999 			svbi->service_lines[0][i] =
1000 				tvp5150_set_vbi(sd, vbi_ram_default,
1001 				       svbi->service_lines[0][i], 0xf0, i, 3);
1002 		}
1003 		/* Enables FIFO */
1004 		tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1005 	} else {
1006 		/* Disables FIFO*/
1007 		tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1008 
1009 		/* Disable Full Field */
1010 		tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1011 
1012 		/* Disable Line modes */
1013 		for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1014 			tvp5150_write(sd, i, 0xff);
1015 	}
1016 	return 0;
1017 }
1018 
1019 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1020 {
1021 	int i, mask = 0;
1022 
1023 	memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1024 
1025 	for (i = 0; i <= 23; i++) {
1026 		svbi->service_lines[0][i] =
1027 			tvp5150_get_vbi(sd, vbi_ram_default, i);
1028 		mask |= svbi->service_lines[0][i];
1029 	}
1030 	svbi->service_set = mask;
1031 	return 0;
1032 }
1033 
1034 static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
1035 				struct v4l2_dbg_chip_ident *chip)
1036 {
1037 	int rev;
1038 	struct i2c_client *client = v4l2_get_subdevdata(sd);
1039 
1040 	rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 |
1041 	      tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
1042 
1043 	return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150,
1044 					  rev);
1045 }
1046 
1047 
1048 #ifdef CONFIG_VIDEO_ADV_DEBUG
1049 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1050 {
1051 	int res;
1052 
1053 	struct i2c_client *client = v4l2_get_subdevdata(sd);
1054 
1055 	if (!v4l2_chip_match_i2c_client(client, &reg->match))
1056 		return -EINVAL;
1057 	if (!capable(CAP_SYS_ADMIN))
1058 		return -EPERM;
1059 	res = tvp5150_read(sd, reg->reg & 0xff);
1060 	if (res < 0) {
1061 		v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1062 		return res;
1063 	}
1064 
1065 	reg->val = res;
1066 	reg->size = 1;
1067 	return 0;
1068 }
1069 
1070 static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1071 {
1072 	struct i2c_client *client = v4l2_get_subdevdata(sd);
1073 
1074 	if (!v4l2_chip_match_i2c_client(client, &reg->match))
1075 		return -EINVAL;
1076 	if (!capable(CAP_SYS_ADMIN))
1077 		return -EPERM;
1078 	tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1079 	return 0;
1080 }
1081 #endif
1082 
1083 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1084 {
1085 	int status = tvp5150_read(sd, 0x88);
1086 
1087 	vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1088 	return 0;
1089 }
1090 
1091 /* ----------------------------------------------------------------------- */
1092 
1093 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1094 	.s_ctrl = tvp5150_s_ctrl,
1095 };
1096 
1097 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1098 	.log_status = tvp5150_log_status,
1099 	.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
1100 	.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
1101 	.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
1102 	.g_ctrl = v4l2_subdev_g_ctrl,
1103 	.s_ctrl = v4l2_subdev_s_ctrl,
1104 	.queryctrl = v4l2_subdev_queryctrl,
1105 	.querymenu = v4l2_subdev_querymenu,
1106 	.s_std = tvp5150_s_std,
1107 	.reset = tvp5150_reset,
1108 	.g_chip_ident = tvp5150_g_chip_ident,
1109 #ifdef CONFIG_VIDEO_ADV_DEBUG
1110 	.g_register = tvp5150_g_register,
1111 	.s_register = tvp5150_s_register,
1112 #endif
1113 };
1114 
1115 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1116 	.g_tuner = tvp5150_g_tuner,
1117 };
1118 
1119 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1120 	.s_routing = tvp5150_s_routing,
1121 	.enum_mbus_fmt = tvp5150_enum_mbus_fmt,
1122 	.s_mbus_fmt = tvp5150_mbus_fmt,
1123 	.try_mbus_fmt = tvp5150_mbus_fmt,
1124 	.g_mbus_fmt = tvp5150_mbus_fmt,
1125 	.s_crop = tvp5150_s_crop,
1126 	.g_crop = tvp5150_g_crop,
1127 	.cropcap = tvp5150_cropcap,
1128 };
1129 
1130 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1131 	.g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1132 	.g_sliced_fmt = tvp5150_g_sliced_fmt,
1133 	.s_sliced_fmt = tvp5150_s_sliced_fmt,
1134 	.s_raw_fmt = tvp5150_s_raw_fmt,
1135 };
1136 
1137 static const struct v4l2_subdev_ops tvp5150_ops = {
1138 	.core = &tvp5150_core_ops,
1139 	.tuner = &tvp5150_tuner_ops,
1140 	.video = &tvp5150_video_ops,
1141 	.vbi = &tvp5150_vbi_ops,
1142 };
1143 
1144 
1145 /****************************************************************************
1146 			I2C Client & Driver
1147  ****************************************************************************/
1148 
1149 static int tvp5150_probe(struct i2c_client *c,
1150 			 const struct i2c_device_id *id)
1151 {
1152 	struct tvp5150 *core;
1153 	struct v4l2_subdev *sd;
1154 	int tvp5150_id[4];
1155 	int i, res;
1156 
1157 	/* Check if the adapter supports the needed features */
1158 	if (!i2c_check_functionality(c->adapter,
1159 	     I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1160 		return -EIO;
1161 
1162 	core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1163 	if (!core) {
1164 		return -ENOMEM;
1165 	}
1166 	sd = &core->sd;
1167 	v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1168 
1169 	/*
1170 	 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1171 	 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1172 	 */
1173 	for (i = 0; i < 4; i++) {
1174 		res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1175 		if (res < 0)
1176 			goto free_core;
1177 		tvp5150_id[i] = res;
1178 	}
1179 
1180 	v4l_info(c, "chip found @ 0x%02x (%s)\n",
1181 		 c->addr << 1, c->adapter->name);
1182 
1183 	if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */
1184 		v4l2_info(sd, "tvp%02x%02xam1 detected.\n",
1185 			  tvp5150_id[0], tvp5150_id[1]);
1186 
1187 		/* ITU-T BT.656.4 timing */
1188 		tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1189 	} else {
1190 		/* Is TVP5150A */
1191 		if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) {
1192 			v4l2_info(sd, "tvp%02x%02xa detected.\n",
1193 				  tvp5150_id[2], tvp5150_id[3]);
1194 		} else {
1195 			v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
1196 				  tvp5150_id[2], tvp5150_id[3]);
1197 			v4l2_info(sd, "*** Rom ver is %d.%d\n",
1198 				  tvp5150_id[2], tvp5150_id[3]);
1199 		}
1200 	}
1201 
1202 	core->norm = V4L2_STD_ALL;	/* Default is autodetect */
1203 	core->input = TVP5150_COMPOSITE1;
1204 	core->enable = 1;
1205 
1206 	v4l2_ctrl_handler_init(&core->hdl, 4);
1207 	v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1208 			V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1209 	v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1210 			V4L2_CID_CONTRAST, 0, 255, 1, 128);
1211 	v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1212 			V4L2_CID_SATURATION, 0, 255, 1, 128);
1213 	v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1214 			V4L2_CID_HUE, -128, 127, 1, 0);
1215 	sd->ctrl_handler = &core->hdl;
1216 	if (core->hdl.error) {
1217 		res = core->hdl.error;
1218 		v4l2_ctrl_handler_free(&core->hdl);
1219 		goto free_core;
1220 	}
1221 	v4l2_ctrl_handler_setup(&core->hdl);
1222 
1223 	/* Default is no cropping */
1224 	core->rect.top = 0;
1225 	if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1226 		core->rect.height = TVP5150_V_MAX_525_60;
1227 	else
1228 		core->rect.height = TVP5150_V_MAX_OTHERS;
1229 	core->rect.left = 0;
1230 	core->rect.width = TVP5150_H_MAX;
1231 
1232 	if (debug > 1)
1233 		tvp5150_log_status(sd);
1234 	return 0;
1235 
1236 free_core:
1237 	kfree(core);
1238 	return res;
1239 }
1240 
1241 static int tvp5150_remove(struct i2c_client *c)
1242 {
1243 	struct v4l2_subdev *sd = i2c_get_clientdata(c);
1244 	struct tvp5150 *decoder = to_tvp5150(sd);
1245 
1246 	v4l2_dbg(1, debug, sd,
1247 		"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1248 		c->addr << 1);
1249 
1250 	v4l2_device_unregister_subdev(sd);
1251 	v4l2_ctrl_handler_free(&decoder->hdl);
1252 	kfree(to_tvp5150(sd));
1253 	return 0;
1254 }
1255 
1256 /* ----------------------------------------------------------------------- */
1257 
1258 static const struct i2c_device_id tvp5150_id[] = {
1259 	{ "tvp5150", 0 },
1260 	{ }
1261 };
1262 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1263 
1264 static struct i2c_driver tvp5150_driver = {
1265 	.driver = {
1266 		.owner	= THIS_MODULE,
1267 		.name	= "tvp5150",
1268 	},
1269 	.probe		= tvp5150_probe,
1270 	.remove		= tvp5150_remove,
1271 	.id_table	= tvp5150_id,
1272 };
1273 
1274 module_i2c_driver(tvp5150_driver);
1275