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[deliverable/linux.git] / drivers / media / i2c / tvp5150.c
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-ctrls.h>
16
17 #include "tvp5150_reg.h"
18
19 #define TVP5150_H_MAX 720U
20 #define TVP5150_V_MAX_525_60 480U
21 #define TVP5150_V_MAX_OTHERS 576U
22 #define TVP5150_MAX_CROP_LEFT 511
23 #define TVP5150_MAX_CROP_TOP 127
24 #define TVP5150_CROP_SHIFT 2
25
26 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
27 MODULE_AUTHOR("Mauro Carvalho Chehab");
28 MODULE_LICENSE("GPL");
29
30
31 static int debug;
32 module_param(debug, int, 0644);
33 MODULE_PARM_DESC(debug, "Debug level (0-2)");
34
35 struct tvp5150 {
36 struct v4l2_subdev sd;
37 struct v4l2_ctrl_handler hdl;
38 struct v4l2_rect rect;
39
40 v4l2_std_id norm; /* Current set standard */
41 u32 input;
42 u32 output;
43 int enable;
44 };
45
46 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
47 {
48 return container_of(sd, struct tvp5150, sd);
49 }
50
51 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
52 {
53 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
54 }
55
56 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
57 {
58 struct i2c_client *c = v4l2_get_subdevdata(sd);
59 int rc;
60
61 rc = i2c_smbus_read_byte_data(c, addr);
62 if (rc < 0) {
63 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
64 return rc;
65 }
66
67 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc);
68
69 return rc;
70 }
71
72 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
73 unsigned char value)
74 {
75 struct i2c_client *c = v4l2_get_subdevdata(sd);
76 int rc;
77
78 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value);
79 rc = i2c_smbus_write_byte_data(c, addr, value);
80 if (rc < 0)
81 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d\n", rc);
82 }
83
84 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
85 const u8 end, int max_line)
86 {
87 int i = 0;
88
89 while (init != (u8)(end + 1)) {
90 if ((i % max_line) == 0) {
91 if (i > 0)
92 printk("\n");
93 printk("tvp5150: %s reg 0x%02x = ", s, init);
94 }
95 printk("%02x ", tvp5150_read(sd, init));
96
97 init++;
98 i++;
99 }
100 printk("\n");
101 }
102
103 static int tvp5150_log_status(struct v4l2_subdev *sd)
104 {
105 printk("tvp5150: Video input source selection #1 = 0x%02x\n",
106 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
107 printk("tvp5150: Analog channel controls = 0x%02x\n",
108 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
109 printk("tvp5150: Operation mode controls = 0x%02x\n",
110 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
111 printk("tvp5150: Miscellaneous controls = 0x%02x\n",
112 tvp5150_read(sd, TVP5150_MISC_CTL));
113 printk("tvp5150: Autoswitch mask= 0x%02x\n",
114 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
115 printk("tvp5150: Color killer threshold control = 0x%02x\n",
116 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
117 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
118 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
119 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
120 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
121 printk("tvp5150: Brightness control = 0x%02x\n",
122 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
123 printk("tvp5150: Color saturation control = 0x%02x\n",
124 tvp5150_read(sd, TVP5150_SATURATION_CTL));
125 printk("tvp5150: Hue control = 0x%02x\n",
126 tvp5150_read(sd, TVP5150_HUE_CTL));
127 printk("tvp5150: Contrast control = 0x%02x\n",
128 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
129 printk("tvp5150: Outputs and data rates select = 0x%02x\n",
130 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
131 printk("tvp5150: Configuration shared pins = 0x%02x\n",
132 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
133 printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
134 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
135 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
136 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
137 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
138 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
139 printk("tvp5150: Genlock/RTC = 0x%02x\n",
140 tvp5150_read(sd, TVP5150_GENLOCK));
141 printk("tvp5150: Horizontal sync start = 0x%02x\n",
142 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
143 printk("tvp5150: Vertical blanking start = 0x%02x\n",
144 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
145 printk("tvp5150: Vertical blanking stop = 0x%02x\n",
146 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
147 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
148 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
149 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
150 printk("tvp5150: Interrupt reset register B = 0x%02x\n",
151 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
152 printk("tvp5150: Interrupt enable register B = 0x%02x\n",
153 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
154 printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
155 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
156 printk("tvp5150: Video standard = 0x%02x\n",
157 tvp5150_read(sd, TVP5150_VIDEO_STD));
158 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
159 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
160 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
161 printk("tvp5150: Macrovision on counter = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
163 printk("tvp5150: Macrovision off counter = 0x%02x\n",
164 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
165 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
166 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
167 printk("tvp5150: Device ID = %02x%02x\n",
168 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
169 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
170 printk("tvp5150: ROM version = (hex) %02x.%02x\n",
171 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
172 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
173 printk("tvp5150: Vertical line count = 0x%02x%02x\n",
174 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
175 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
176 printk("tvp5150: Interrupt status register B = 0x%02x\n",
177 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
178 printk("tvp5150: Interrupt active register B = 0x%02x\n",
179 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
180 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
181 tvp5150_read(sd, TVP5150_STATUS_REG_1),
182 tvp5150_read(sd, TVP5150_STATUS_REG_2),
183 tvp5150_read(sd, TVP5150_STATUS_REG_3),
184 tvp5150_read(sd, TVP5150_STATUS_REG_4),
185 tvp5150_read(sd, TVP5150_STATUS_REG_5));
186
187 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
188 TVP5150_TELETEXT_FIL1_END, 8);
189 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
190 TVP5150_TELETEXT_FIL2_END, 8);
191
192 printk("tvp5150: Teletext filter enable = 0x%02x\n",
193 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
194 printk("tvp5150: Interrupt status register A = 0x%02x\n",
195 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
196 printk("tvp5150: Interrupt enable register A = 0x%02x\n",
197 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
198 printk("tvp5150: Interrupt configuration = 0x%02x\n",
199 tvp5150_read(sd, TVP5150_INT_CONF));
200 printk("tvp5150: VDP status register = 0x%02x\n",
201 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
202 printk("tvp5150: FIFO word count = 0x%02x\n",
203 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
204 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
205 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
206 printk("tvp5150: FIFO reset = 0x%02x\n",
207 tvp5150_read(sd, TVP5150_FIFO_RESET));
208 printk("tvp5150: Line number interrupt = 0x%02x\n",
209 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
210 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
211 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
212 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
213 printk("tvp5150: FIFO output control = 0x%02x\n",
214 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
215 printk("tvp5150: Full field enable = 0x%02x\n",
216 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
217 printk("tvp5150: Full field mode register = 0x%02x\n",
218 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
219
220 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
221 TVP5150_CC_DATA_END, 8);
222
223 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
224 TVP5150_WSS_DATA_END, 8);
225
226 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
227 TVP5150_VPS_DATA_END, 8);
228
229 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
230 TVP5150_VITC_DATA_END, 10);
231
232 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
233 TVP5150_LINE_MODE_END, 8);
234 return 0;
235 }
236
237 /****************************************************************************
238 Basic functions
239 ****************************************************************************/
240
241 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
242 {
243 int opmode = 0;
244 struct tvp5150 *decoder = to_tvp5150(sd);
245 int input = 0;
246 int val;
247
248 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
249 input = 8;
250
251 switch (decoder->input) {
252 case TVP5150_COMPOSITE1:
253 input |= 2;
254 /* fall through */
255 case TVP5150_COMPOSITE0:
256 break;
257 case TVP5150_SVIDEO:
258 default:
259 input |= 1;
260 break;
261 }
262
263 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
264 "=> tvp5150 input=%i, opmode=%i\n",
265 decoder->input, decoder->output,
266 input, opmode);
267
268 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
269 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
270
271 /* Svideo should enable YCrCb output and disable GPCL output
272 * For Composite and TV, it should be the reverse
273 */
274 val = tvp5150_read(sd, TVP5150_MISC_CTL);
275 if (val < 0) {
276 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
277 return;
278 }
279
280 if (decoder->input == TVP5150_SVIDEO)
281 val = (val & ~0x40) | 0x10;
282 else
283 val = (val & ~0x10) | 0x40;
284 tvp5150_write(sd, TVP5150_MISC_CTL, val);
285 };
286
287 struct i2c_reg_value {
288 unsigned char reg;
289 unsigned char value;
290 };
291
292 /* Default values as sugested at TVP5150AM1 datasheet */
293 static const struct i2c_reg_value tvp5150_init_default[] = {
294 { /* 0x00 */
295 TVP5150_VD_IN_SRC_SEL_1,0x00
296 },
297 { /* 0x01 */
298 TVP5150_ANAL_CHL_CTL,0x15
299 },
300 { /* 0x02 */
301 TVP5150_OP_MODE_CTL,0x00
302 },
303 { /* 0x03 */
304 TVP5150_MISC_CTL,0x01
305 },
306 { /* 0x06 */
307 TVP5150_COLOR_KIL_THSH_CTL,0x10
308 },
309 { /* 0x07 */
310 TVP5150_LUMA_PROC_CTL_1,0x60
311 },
312 { /* 0x08 */
313 TVP5150_LUMA_PROC_CTL_2,0x00
314 },
315 { /* 0x09 */
316 TVP5150_BRIGHT_CTL,0x80
317 },
318 { /* 0x0a */
319 TVP5150_SATURATION_CTL,0x80
320 },
321 { /* 0x0b */
322 TVP5150_HUE_CTL,0x00
323 },
324 { /* 0x0c */
325 TVP5150_CONTRAST_CTL,0x80
326 },
327 { /* 0x0d */
328 TVP5150_DATA_RATE_SEL,0x47
329 },
330 { /* 0x0e */
331 TVP5150_LUMA_PROC_CTL_3,0x00
332 },
333 { /* 0x0f */
334 TVP5150_CONF_SHARED_PIN,0x08
335 },
336 { /* 0x11 */
337 TVP5150_ACT_VD_CROP_ST_MSB,0x00
338 },
339 { /* 0x12 */
340 TVP5150_ACT_VD_CROP_ST_LSB,0x00
341 },
342 { /* 0x13 */
343 TVP5150_ACT_VD_CROP_STP_MSB,0x00
344 },
345 { /* 0x14 */
346 TVP5150_ACT_VD_CROP_STP_LSB,0x00
347 },
348 { /* 0x15 */
349 TVP5150_GENLOCK,0x01
350 },
351 { /* 0x16 */
352 TVP5150_HORIZ_SYNC_START,0x80
353 },
354 { /* 0x18 */
355 TVP5150_VERT_BLANKING_START,0x00
356 },
357 { /* 0x19 */
358 TVP5150_VERT_BLANKING_STOP,0x00
359 },
360 { /* 0x1a */
361 TVP5150_CHROMA_PROC_CTL_1,0x0c
362 },
363 { /* 0x1b */
364 TVP5150_CHROMA_PROC_CTL_2,0x14
365 },
366 { /* 0x1c */
367 TVP5150_INT_RESET_REG_B,0x00
368 },
369 { /* 0x1d */
370 TVP5150_INT_ENABLE_REG_B,0x00
371 },
372 { /* 0x1e */
373 TVP5150_INTT_CONFIG_REG_B,0x00
374 },
375 { /* 0x28 */
376 TVP5150_VIDEO_STD,0x00
377 },
378 { /* 0x2e */
379 TVP5150_MACROVISION_ON_CTR,0x0f
380 },
381 { /* 0x2f */
382 TVP5150_MACROVISION_OFF_CTR,0x01
383 },
384 { /* 0xbb */
385 TVP5150_TELETEXT_FIL_ENA,0x00
386 },
387 { /* 0xc0 */
388 TVP5150_INT_STATUS_REG_A,0x00
389 },
390 { /* 0xc1 */
391 TVP5150_INT_ENABLE_REG_A,0x00
392 },
393 { /* 0xc2 */
394 TVP5150_INT_CONF,0x04
395 },
396 { /* 0xc8 */
397 TVP5150_FIFO_INT_THRESHOLD,0x80
398 },
399 { /* 0xc9 */
400 TVP5150_FIFO_RESET,0x00
401 },
402 { /* 0xca */
403 TVP5150_LINE_NUMBER_INT,0x00
404 },
405 { /* 0xcb */
406 TVP5150_PIX_ALIGN_REG_LOW,0x4e
407 },
408 { /* 0xcc */
409 TVP5150_PIX_ALIGN_REG_HIGH,0x00
410 },
411 { /* 0xcd */
412 TVP5150_FIFO_OUT_CTRL,0x01
413 },
414 { /* 0xcf */
415 TVP5150_FULL_FIELD_ENA,0x00
416 },
417 { /* 0xd0 */
418 TVP5150_LINE_MODE_INI,0x00
419 },
420 { /* 0xfc */
421 TVP5150_FULL_FIELD_MODE_REG,0x7f
422 },
423 { /* end of data */
424 0xff,0xff
425 }
426 };
427
428 /* Default values as sugested at TVP5150AM1 datasheet */
429 static const struct i2c_reg_value tvp5150_init_enable[] = {
430 {
431 TVP5150_CONF_SHARED_PIN, 2
432 },{ /* Automatic offset and AGC enabled */
433 TVP5150_ANAL_CHL_CTL, 0x15
434 },{ /* Activate YCrCb output 0x9 or 0xd ? */
435 TVP5150_MISC_CTL, 0x6f
436 },{ /* Activates video std autodetection for all standards */
437 TVP5150_AUTOSW_MSK, 0x0
438 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
439 TVP5150_DATA_RATE_SEL, 0x47
440 },{
441 TVP5150_CHROMA_PROC_CTL_1, 0x0c
442 },{
443 TVP5150_CHROMA_PROC_CTL_2, 0x54
444 },{ /* Non documented, but initialized on WinTV USB2 */
445 0x27, 0x20
446 },{
447 0xff,0xff
448 }
449 };
450
451 struct tvp5150_vbi_type {
452 unsigned int vbi_type;
453 unsigned int ini_line;
454 unsigned int end_line;
455 unsigned int by_field :1;
456 };
457
458 struct i2c_vbi_ram_value {
459 u16 reg;
460 struct tvp5150_vbi_type type;
461 unsigned char values[16];
462 };
463
464 /* This struct have the values for each supported VBI Standard
465 * by
466 tvp5150_vbi_types should follow the same order as vbi_ram_default
467 * value 0 means rom position 0x10, value 1 means rom position 0x30
468 * and so on. There are 16 possible locations from 0 to 15.
469 */
470
471 static struct i2c_vbi_ram_value vbi_ram_default[] =
472 {
473 /* FIXME: Current api doesn't handle all VBI types, those not
474 yet supported are placed under #if 0 */
475 #if 0
476 {0x010, /* Teletext, SECAM, WST System A */
477 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
478 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
479 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
480 },
481 #endif
482 {0x030, /* Teletext, PAL, WST System B */
483 {V4L2_SLICED_TELETEXT_B,6,22,1},
484 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
485 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
486 },
487 #if 0
488 {0x050, /* Teletext, PAL, WST System C */
489 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
490 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
491 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
492 },
493 {0x070, /* Teletext, NTSC, WST System B */
494 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
495 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
496 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
497 },
498 {0x090, /* Tetetext, NTSC NABTS System C */
499 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
500 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
501 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
502 },
503 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
504 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
505 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
506 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
507 },
508 {0x0d0, /* Closed Caption, PAL/SECAM */
509 {V4L2_SLICED_CAPTION_625,22,22,1},
510 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
511 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
512 },
513 #endif
514 {0x0f0, /* Closed Caption, NTSC */
515 {V4L2_SLICED_CAPTION_525,21,21,1},
516 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
517 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
518 },
519 {0x110, /* Wide Screen Signal, PAL/SECAM */
520 {V4L2_SLICED_WSS_625,23,23,1},
521 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
522 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
523 },
524 #if 0
525 {0x130, /* Wide Screen Signal, NTSC C */
526 {V4L2_SLICED_WSS_525,20,20,1},
527 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
528 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
529 },
530 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
531 {V4l2_SLICED_VITC_625,6,22,0},
532 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
533 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
534 },
535 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
536 {V4l2_SLICED_VITC_525,10,20,0},
537 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
538 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
539 },
540 #endif
541 {0x190, /* Video Program System (VPS), PAL */
542 {V4L2_SLICED_VPS,16,16,0},
543 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
544 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
545 },
546 /* 0x1d0 User programmable */
547
548 /* End of struct */
549 { (u16)-1 }
550 };
551
552 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
553 const struct i2c_reg_value *regs)
554 {
555 while (regs->reg != 0xff) {
556 tvp5150_write(sd, regs->reg, regs->value);
557 regs++;
558 }
559 return 0;
560 }
561
562 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
563 const struct i2c_vbi_ram_value *regs)
564 {
565 unsigned int i;
566
567 /* Disable Full Field */
568 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
569
570 /* Before programming, Line mode should be at 0xff */
571 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
572 tvp5150_write(sd, i, 0xff);
573
574 /* Load Ram Table */
575 while (regs->reg != (u16)-1) {
576 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
577 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
578
579 for (i = 0; i < 16; i++)
580 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
581
582 regs++;
583 }
584 return 0;
585 }
586
587 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
588 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
589 struct v4l2_sliced_vbi_cap *cap)
590 {
591 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
592 int line;
593
594 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
595 memset(cap, 0, sizeof *cap);
596
597 while (regs->reg != (u16)-1 ) {
598 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
599 cap->service_lines[0][line] |= regs->type.vbi_type;
600 }
601 cap->service_set |= regs->type.vbi_type;
602
603 regs++;
604 }
605 return 0;
606 }
607
608 /* Set vbi processing
609 * type - one of tvp5150_vbi_types
610 * line - line to gather data
611 * fields: bit 0 field1, bit 1, field2
612 * flags (default=0xf0) is a bitmask, were set means:
613 * bit 7: enable filtering null bytes on CC
614 * bit 6: send data also to FIFO
615 * bit 5: don't allow data with errors on FIFO
616 * bit 4: enable ECC when possible
617 * pix_align = pix alignment:
618 * LSB = field1
619 * MSB = field2
620 */
621 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
622 const struct i2c_vbi_ram_value *regs,
623 unsigned int type,u8 flags, int line,
624 const int fields)
625 {
626 struct tvp5150 *decoder = to_tvp5150(sd);
627 v4l2_std_id std = decoder->norm;
628 u8 reg;
629 int pos=0;
630
631 if (std == V4L2_STD_ALL) {
632 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
633 return 0;
634 } else if (std & V4L2_STD_625_50) {
635 /* Don't follow NTSC Line number convension */
636 line += 3;
637 }
638
639 if (line<6||line>27)
640 return 0;
641
642 while (regs->reg != (u16)-1 ) {
643 if ((type & regs->type.vbi_type) &&
644 (line>=regs->type.ini_line) &&
645 (line<=regs->type.end_line)) {
646 type=regs->type.vbi_type;
647 break;
648 }
649
650 regs++;
651 pos++;
652 }
653 if (regs->reg == (u16)-1)
654 return 0;
655
656 type=pos | (flags & 0xf0);
657 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
658
659 if (fields&1) {
660 tvp5150_write(sd, reg, type);
661 }
662
663 if (fields&2) {
664 tvp5150_write(sd, reg+1, type);
665 }
666
667 return type;
668 }
669
670 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
671 const struct i2c_vbi_ram_value *regs, int line)
672 {
673 struct tvp5150 *decoder = to_tvp5150(sd);
674 v4l2_std_id std = decoder->norm;
675 u8 reg;
676 int pos, type = 0;
677 int i, ret = 0;
678
679 if (std == V4L2_STD_ALL) {
680 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
681 return 0;
682 } else if (std & V4L2_STD_625_50) {
683 /* Don't follow NTSC Line number convension */
684 line += 3;
685 }
686
687 if (line < 6 || line > 27)
688 return 0;
689
690 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
691
692 for (i = 0; i <= 1; i++) {
693 ret = tvp5150_read(sd, reg + i);
694 if (ret < 0) {
695 v4l2_err(sd, "%s: failed with error = %d\n",
696 __func__, ret);
697 return 0;
698 }
699 pos = ret & 0x0f;
700 if (pos < 0x0f)
701 type |= regs[pos].type.vbi_type;
702 }
703
704 return type;
705 }
706
707 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
708 {
709 struct tvp5150 *decoder = to_tvp5150(sd);
710 int fmt = 0;
711
712 decoder->norm = std;
713
714 /* First tests should be against specific std */
715
716 if (std == V4L2_STD_NTSC_443) {
717 fmt = VIDEO_STD_NTSC_4_43_BIT;
718 } else if (std == V4L2_STD_PAL_M) {
719 fmt = VIDEO_STD_PAL_M_BIT;
720 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
721 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
722 } else {
723 /* Then, test against generic ones */
724 if (std & V4L2_STD_NTSC)
725 fmt = VIDEO_STD_NTSC_MJ_BIT;
726 else if (std & V4L2_STD_PAL)
727 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
728 else if (std & V4L2_STD_SECAM)
729 fmt = VIDEO_STD_SECAM_BIT;
730 }
731
732 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
733 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
734 return 0;
735 }
736
737 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
738 {
739 struct tvp5150 *decoder = to_tvp5150(sd);
740
741 if (decoder->norm == std)
742 return 0;
743
744 /* Change cropping height limits */
745 if (std & V4L2_STD_525_60)
746 decoder->rect.height = TVP5150_V_MAX_525_60;
747 else
748 decoder->rect.height = TVP5150_V_MAX_OTHERS;
749
750
751 return tvp5150_set_std(sd, std);
752 }
753
754 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
755 {
756 struct tvp5150 *decoder = to_tvp5150(sd);
757
758 /* Initializes TVP5150 to its default values */
759 tvp5150_write_inittab(sd, tvp5150_init_default);
760
761 /* Initializes VDP registers */
762 tvp5150_vdp_init(sd, vbi_ram_default);
763
764 /* Selects decoder input */
765 tvp5150_selmux(sd);
766
767 /* Initializes TVP5150 to stream enabled values */
768 tvp5150_write_inittab(sd, tvp5150_init_enable);
769
770 /* Initialize image preferences */
771 v4l2_ctrl_handler_setup(&decoder->hdl);
772
773 tvp5150_set_std(sd, decoder->norm);
774 return 0;
775 };
776
777 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
778 {
779 struct v4l2_subdev *sd = to_sd(ctrl);
780
781 switch (ctrl->id) {
782 case V4L2_CID_BRIGHTNESS:
783 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
784 return 0;
785 case V4L2_CID_CONTRAST:
786 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
787 return 0;
788 case V4L2_CID_SATURATION:
789 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
790 return 0;
791 case V4L2_CID_HUE:
792 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
793 return 0;
794 }
795 return -EINVAL;
796 }
797
798 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
799 {
800 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
801
802 switch (val & 0x0F) {
803 case 0x01:
804 return V4L2_STD_NTSC;
805 case 0x03:
806 return V4L2_STD_PAL;
807 case 0x05:
808 return V4L2_STD_PAL_M;
809 case 0x07:
810 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
811 case 0x09:
812 return V4L2_STD_NTSC_443;
813 case 0xb:
814 return V4L2_STD_SECAM;
815 default:
816 return V4L2_STD_UNKNOWN;
817 }
818 }
819
820 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
821 u32 *code)
822 {
823 if (index)
824 return -EINVAL;
825
826 *code = MEDIA_BUS_FMT_UYVY8_2X8;
827 return 0;
828 }
829
830 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,
831 struct v4l2_mbus_framefmt *f)
832 {
833 struct tvp5150 *decoder = to_tvp5150(sd);
834
835 if (f == NULL)
836 return -EINVAL;
837
838 tvp5150_reset(sd, 0);
839
840 f->width = decoder->rect.width;
841 f->height = decoder->rect.height;
842
843 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
844 f->field = V4L2_FIELD_SEQ_TB;
845 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
846
847 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
848 f->height);
849 return 0;
850 }
851
852 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
853 {
854 struct v4l2_rect rect = a->c;
855 struct tvp5150 *decoder = to_tvp5150(sd);
856 v4l2_std_id std;
857 unsigned int hmax;
858
859 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
860 __func__, rect.left, rect.top, rect.width, rect.height);
861
862 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
863 return -EINVAL;
864
865 /* tvp5150 has some special limits */
866 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
867 rect.width = clamp_t(unsigned int, rect.width,
868 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
869 TVP5150_H_MAX - rect.left);
870 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
871
872 /* Calculate height based on current standard */
873 if (decoder->norm == V4L2_STD_ALL)
874 std = tvp5150_read_std(sd);
875 else
876 std = decoder->norm;
877
878 if (std & V4L2_STD_525_60)
879 hmax = TVP5150_V_MAX_525_60;
880 else
881 hmax = TVP5150_V_MAX_OTHERS;
882
883 rect.height = clamp_t(unsigned int, rect.height,
884 hmax - TVP5150_MAX_CROP_TOP - rect.top,
885 hmax - rect.top);
886
887 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
888 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
889 rect.top + rect.height - hmax);
890 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
891 rect.left >> TVP5150_CROP_SHIFT);
892 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
893 rect.left | (1 << TVP5150_CROP_SHIFT));
894 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
895 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
896 TVP5150_CROP_SHIFT);
897 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
898 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
899
900 decoder->rect = rect;
901
902 return 0;
903 }
904
905 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
906 {
907 struct tvp5150 *decoder = to_tvp5150(sd);
908
909 a->c = decoder->rect;
910 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
911
912 return 0;
913 }
914
915 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
916 {
917 struct tvp5150 *decoder = to_tvp5150(sd);
918 v4l2_std_id std;
919
920 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
921 return -EINVAL;
922
923 a->bounds.left = 0;
924 a->bounds.top = 0;
925 a->bounds.width = TVP5150_H_MAX;
926
927 /* Calculate height based on current standard */
928 if (decoder->norm == V4L2_STD_ALL)
929 std = tvp5150_read_std(sd);
930 else
931 std = decoder->norm;
932
933 if (std & V4L2_STD_525_60)
934 a->bounds.height = TVP5150_V_MAX_525_60;
935 else
936 a->bounds.height = TVP5150_V_MAX_OTHERS;
937
938 a->defrect = a->bounds;
939 a->pixelaspect.numerator = 1;
940 a->pixelaspect.denominator = 1;
941
942 return 0;
943 }
944
945 /****************************************************************************
946 I2C Command
947 ****************************************************************************/
948
949 static int tvp5150_s_routing(struct v4l2_subdev *sd,
950 u32 input, u32 output, u32 config)
951 {
952 struct tvp5150 *decoder = to_tvp5150(sd);
953
954 decoder->input = input;
955 decoder->output = output;
956 tvp5150_selmux(sd);
957 return 0;
958 }
959
960 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
961 {
962 /* this is for capturing 36 raw vbi lines
963 if there's a way to cut off the beginning 2 vbi lines
964 with the tvp5150 then the vbi line count could be lowered
965 to 17 lines/field again, although I couldn't find a register
966 which could do that cropping */
967 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
968 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
969 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
970 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
971 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
972 }
973 return 0;
974 }
975
976 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
977 {
978 int i;
979
980 if (svbi->service_set != 0) {
981 for (i = 0; i <= 23; i++) {
982 svbi->service_lines[1][i] = 0;
983 svbi->service_lines[0][i] =
984 tvp5150_set_vbi(sd, vbi_ram_default,
985 svbi->service_lines[0][i], 0xf0, i, 3);
986 }
987 /* Enables FIFO */
988 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
989 } else {
990 /* Disables FIFO*/
991 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
992
993 /* Disable Full Field */
994 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
995
996 /* Disable Line modes */
997 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
998 tvp5150_write(sd, i, 0xff);
999 }
1000 return 0;
1001 }
1002
1003 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1004 {
1005 int i, mask = 0;
1006
1007 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1008
1009 for (i = 0; i <= 23; i++) {
1010 svbi->service_lines[0][i] =
1011 tvp5150_get_vbi(sd, vbi_ram_default, i);
1012 mask |= svbi->service_lines[0][i];
1013 }
1014 svbi->service_set = mask;
1015 return 0;
1016 }
1017
1018 #ifdef CONFIG_VIDEO_ADV_DEBUG
1019 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1020 {
1021 int res;
1022
1023 res = tvp5150_read(sd, reg->reg & 0xff);
1024 if (res < 0) {
1025 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1026 return res;
1027 }
1028
1029 reg->val = res;
1030 reg->size = 1;
1031 return 0;
1032 }
1033
1034 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1035 {
1036 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1037 return 0;
1038 }
1039 #endif
1040
1041 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1042 {
1043 int status = tvp5150_read(sd, 0x88);
1044
1045 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1046 return 0;
1047 }
1048
1049 /* ----------------------------------------------------------------------- */
1050
1051 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1052 .s_ctrl = tvp5150_s_ctrl,
1053 };
1054
1055 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1056 .log_status = tvp5150_log_status,
1057 .reset = tvp5150_reset,
1058 #ifdef CONFIG_VIDEO_ADV_DEBUG
1059 .g_register = tvp5150_g_register,
1060 .s_register = tvp5150_s_register,
1061 #endif
1062 };
1063
1064 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1065 .g_tuner = tvp5150_g_tuner,
1066 };
1067
1068 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1069 .s_std = tvp5150_s_std,
1070 .s_routing = tvp5150_s_routing,
1071 .enum_mbus_fmt = tvp5150_enum_mbus_fmt,
1072 .s_mbus_fmt = tvp5150_mbus_fmt,
1073 .try_mbus_fmt = tvp5150_mbus_fmt,
1074 .g_mbus_fmt = tvp5150_mbus_fmt,
1075 .s_crop = tvp5150_s_crop,
1076 .g_crop = tvp5150_g_crop,
1077 .cropcap = tvp5150_cropcap,
1078 };
1079
1080 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1081 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1082 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1083 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1084 .s_raw_fmt = tvp5150_s_raw_fmt,
1085 };
1086
1087 static const struct v4l2_subdev_ops tvp5150_ops = {
1088 .core = &tvp5150_core_ops,
1089 .tuner = &tvp5150_tuner_ops,
1090 .video = &tvp5150_video_ops,
1091 .vbi = &tvp5150_vbi_ops,
1092 };
1093
1094
1095 /****************************************************************************
1096 I2C Client & Driver
1097 ****************************************************************************/
1098
1099 static int tvp5150_probe(struct i2c_client *c,
1100 const struct i2c_device_id *id)
1101 {
1102 struct tvp5150 *core;
1103 struct v4l2_subdev *sd;
1104 int tvp5150_id[4];
1105 int i, res;
1106
1107 /* Check if the adapter supports the needed features */
1108 if (!i2c_check_functionality(c->adapter,
1109 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1110 return -EIO;
1111
1112 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1113 if (!core)
1114 return -ENOMEM;
1115 sd = &core->sd;
1116 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1117
1118 /*
1119 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1120 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1121 */
1122 for (i = 0; i < 4; i++) {
1123 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1124 if (res < 0)
1125 return res;
1126 tvp5150_id[i] = res;
1127 }
1128
1129 v4l_info(c, "chip found @ 0x%02x (%s)\n",
1130 c->addr << 1, c->adapter->name);
1131
1132 if (tvp5150_id[2] == 4 && tvp5150_id[3] == 0) { /* Is TVP5150AM1 */
1133 v4l2_info(sd, "tvp%02x%02xam1 detected.\n",
1134 tvp5150_id[0], tvp5150_id[1]);
1135
1136 /* ITU-T BT.656.4 timing */
1137 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1138 } else {
1139 /* Is TVP5150A */
1140 if (tvp5150_id[2] == 3 || tvp5150_id[3] == 0x21) {
1141 v4l2_info(sd, "tvp%02x%02xa detected.\n",
1142 tvp5150_id[0], tvp5150_id[1]);
1143 } else {
1144 v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
1145 tvp5150_id[0], tvp5150_id[1]);
1146 v4l2_info(sd, "*** Rom ver is %d.%d\n",
1147 tvp5150_id[2], tvp5150_id[3]);
1148 }
1149 }
1150
1151 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1152 core->input = TVP5150_COMPOSITE1;
1153 core->enable = 1;
1154
1155 v4l2_ctrl_handler_init(&core->hdl, 4);
1156 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1157 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1158 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1159 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1160 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1161 V4L2_CID_SATURATION, 0, 255, 1, 128);
1162 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1163 V4L2_CID_HUE, -128, 127, 1, 0);
1164 sd->ctrl_handler = &core->hdl;
1165 if (core->hdl.error) {
1166 res = core->hdl.error;
1167 v4l2_ctrl_handler_free(&core->hdl);
1168 return res;
1169 }
1170 v4l2_ctrl_handler_setup(&core->hdl);
1171
1172 /* Default is no cropping */
1173 core->rect.top = 0;
1174 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1175 core->rect.height = TVP5150_V_MAX_525_60;
1176 else
1177 core->rect.height = TVP5150_V_MAX_OTHERS;
1178 core->rect.left = 0;
1179 core->rect.width = TVP5150_H_MAX;
1180
1181 if (debug > 1)
1182 tvp5150_log_status(sd);
1183 return 0;
1184 }
1185
1186 static int tvp5150_remove(struct i2c_client *c)
1187 {
1188 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1189 struct tvp5150 *decoder = to_tvp5150(sd);
1190
1191 v4l2_dbg(1, debug, sd,
1192 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1193 c->addr << 1);
1194
1195 v4l2_device_unregister_subdev(sd);
1196 v4l2_ctrl_handler_free(&decoder->hdl);
1197 return 0;
1198 }
1199
1200 /* ----------------------------------------------------------------------- */
1201
1202 static const struct i2c_device_id tvp5150_id[] = {
1203 { "tvp5150", 0 },
1204 { }
1205 };
1206 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1207
1208 static struct i2c_driver tvp5150_driver = {
1209 .driver = {
1210 .owner = THIS_MODULE,
1211 .name = "tvp5150",
1212 },
1213 .probe = tvp5150_probe,
1214 .remove = tvp5150_remove,
1215 .id_table = tvp5150_id,
1216 };
1217
1218 module_i2c_driver(tvp5150_driver);
Linux kernel - Deliverables
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