projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Merge tag 'mmc-merge-for-3.4-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / drivers / media / video / 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-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 if (1 != (rc = i2c_master_send(c, buffer, 1)))
65 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
66
67 msleep(10);
68
69 if (1 != (rc = i2c_master_recv(c, buffer, 1)))
70 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
71
72 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
73
74 return (buffer[0]);
75 }
76
77 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
78 unsigned char value)
79 {
80 struct i2c_client *c = v4l2_get_subdevdata(sd);
81 unsigned char buffer[2];
82 int rc;
83
84 buffer[0] = addr;
85 buffer[1] = value;
86 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
87 if (2 != (rc = i2c_master_send(c, buffer, 2)))
88 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
89 }
90
91 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
92 const u8 end, int max_line)
93 {
94 int i = 0;
95
96 while (init != (u8)(end + 1)) {
97 if ((i % max_line) == 0) {
98 if (i > 0)
99 printk("\n");
100 printk("tvp5150: %s reg 0x%02x = ", s, init);
101 }
102 printk("%02x ", tvp5150_read(sd, init));
103
104 init++;
105 i++;
106 }
107 printk("\n");
108 }
109
110 static int tvp5150_log_status(struct v4l2_subdev *sd)
111 {
112 printk("tvp5150: Video input source selection #1 = 0x%02x\n",
113 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
114 printk("tvp5150: Analog channel controls = 0x%02x\n",
115 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
116 printk("tvp5150: Operation mode controls = 0x%02x\n",
117 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
118 printk("tvp5150: Miscellaneous controls = 0x%02x\n",
119 tvp5150_read(sd, TVP5150_MISC_CTL));
120 printk("tvp5150: Autoswitch mask= 0x%02x\n",
121 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
122 printk("tvp5150: Color killer threshold control = 0x%02x\n",
123 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
124 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
125 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
126 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
127 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
128 printk("tvp5150: Brightness control = 0x%02x\n",
129 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
130 printk("tvp5150: Color saturation control = 0x%02x\n",
131 tvp5150_read(sd, TVP5150_SATURATION_CTL));
132 printk("tvp5150: Hue control = 0x%02x\n",
133 tvp5150_read(sd, TVP5150_HUE_CTL));
134 printk("tvp5150: Contrast control = 0x%02x\n",
135 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
136 printk("tvp5150: Outputs and data rates select = 0x%02x\n",
137 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
138 printk("tvp5150: Configuration shared pins = 0x%02x\n",
139 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
140 printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
141 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
142 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
143 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
144 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
145 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
146 printk("tvp5150: Genlock/RTC = 0x%02x\n",
147 tvp5150_read(sd, TVP5150_GENLOCK));
148 printk("tvp5150: Horizontal sync start = 0x%02x\n",
149 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
150 printk("tvp5150: Vertical blanking start = 0x%02x\n",
151 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
152 printk("tvp5150: Vertical blanking stop = 0x%02x\n",
153 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
154 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
155 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
156 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
157 printk("tvp5150: Interrupt reset register B = 0x%02x\n",
158 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
159 printk("tvp5150: Interrupt enable register B = 0x%02x\n",
160 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
161 printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
163 printk("tvp5150: Video standard = 0x%02x\n",
164 tvp5150_read(sd, TVP5150_VIDEO_STD));
165 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
166 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
167 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
168 printk("tvp5150: Macrovision on counter = 0x%02x\n",
169 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
170 printk("tvp5150: Macrovision off counter = 0x%02x\n",
171 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
172 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
173 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
174 printk("tvp5150: Device ID = %02x%02x\n",
175 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
176 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
177 printk("tvp5150: ROM version = (hex) %02x.%02x\n",
178 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
179 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
180 printk("tvp5150: Vertical line count = 0x%02x%02x\n",
181 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
182 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
183 printk("tvp5150: Interrupt status register B = 0x%02x\n",
184 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
185 printk("tvp5150: Interrupt active register B = 0x%02x\n",
186 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
187 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
188 tvp5150_read(sd, TVP5150_STATUS_REG_1),
189 tvp5150_read(sd, TVP5150_STATUS_REG_2),
190 tvp5150_read(sd, TVP5150_STATUS_REG_3),
191 tvp5150_read(sd, TVP5150_STATUS_REG_4),
192 tvp5150_read(sd, TVP5150_STATUS_REG_5));
193
194 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
195 TVP5150_TELETEXT_FIL1_END, 8);
196 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
197 TVP5150_TELETEXT_FIL2_END, 8);
198
199 printk("tvp5150: Teletext filter enable = 0x%02x\n",
200 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
201 printk("tvp5150: Interrupt status register A = 0x%02x\n",
202 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
203 printk("tvp5150: Interrupt enable register A = 0x%02x\n",
204 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
205 printk("tvp5150: Interrupt configuration = 0x%02x\n",
206 tvp5150_read(sd, TVP5150_INT_CONF));
207 printk("tvp5150: VDP status register = 0x%02x\n",
208 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
209 printk("tvp5150: FIFO word count = 0x%02x\n",
210 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
211 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
212 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
213 printk("tvp5150: FIFO reset = 0x%02x\n",
214 tvp5150_read(sd, TVP5150_FIFO_RESET));
215 printk("tvp5150: Line number interrupt = 0x%02x\n",
216 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
217 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
218 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
219 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
220 printk("tvp5150: FIFO output control = 0x%02x\n",
221 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
222 printk("tvp5150: Full field enable = 0x%02x\n",
223 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
224 printk("tvp5150: Full field mode register = 0x%02x\n",
225 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
226
227 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
228 TVP5150_CC_DATA_END, 8);
229
230 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
231 TVP5150_WSS_DATA_END, 8);
232
233 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
234 TVP5150_VPS_DATA_END, 8);
235
236 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
237 TVP5150_VITC_DATA_END, 10);
238
239 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
240 TVP5150_LINE_MODE_END, 8);
241 return 0;
242 }
243
244 /****************************************************************************
245 Basic functions
246 ****************************************************************************/
247
248 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
249 {
250 int opmode = 0;
251 struct tvp5150 *decoder = to_tvp5150(sd);
252 int input = 0;
253 unsigned char val;
254
255 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
256 input = 8;
257
258 switch (decoder->input) {
259 case TVP5150_COMPOSITE1:
260 input |= 2;
261 /* fall through */
262 case TVP5150_COMPOSITE0:
263 break;
264 case TVP5150_SVIDEO:
265 default:
266 input |= 1;
267 break;
268 }
269
270 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
271 "=> tvp5150 input=%i, opmode=%i\n",
272 decoder->input, decoder->output,
273 input, opmode);
274
275 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
276 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
277
278 /* Svideo should enable YCrCb output and disable GPCL output
279 * For Composite and TV, it should be the reverse
280 */
281 val = tvp5150_read(sd, TVP5150_MISC_CTL);
282 if (decoder->input == TVP5150_SVIDEO)
283 val = (val & ~0x40) | 0x10;
284 else
285 val = (val & ~0x10) | 0x40;
286 tvp5150_write(sd, TVP5150_MISC_CTL, val);
287 };
288
289 struct i2c_reg_value {
290 unsigned char reg;
291 unsigned char value;
292 };
293
294 /* Default values as sugested at TVP5150AM1 datasheet */
295 static const struct i2c_reg_value tvp5150_init_default[] = {
296 { /* 0x00 */
297 TVP5150_VD_IN_SRC_SEL_1,0x00
298 },
299 { /* 0x01 */
300 TVP5150_ANAL_CHL_CTL,0x15
301 },
302 { /* 0x02 */
303 TVP5150_OP_MODE_CTL,0x00
304 },
305 { /* 0x03 */
306 TVP5150_MISC_CTL,0x01
307 },
308 { /* 0x06 */
309 TVP5150_COLOR_KIL_THSH_CTL,0x10
310 },
311 { /* 0x07 */
312 TVP5150_LUMA_PROC_CTL_1,0x60
313 },
314 { /* 0x08 */
315 TVP5150_LUMA_PROC_CTL_2,0x00
316 },
317 { /* 0x09 */
318 TVP5150_BRIGHT_CTL,0x80
319 },
320 { /* 0x0a */
321 TVP5150_SATURATION_CTL,0x80
322 },
323 { /* 0x0b */
324 TVP5150_HUE_CTL,0x00
325 },
326 { /* 0x0c */
327 TVP5150_CONTRAST_CTL,0x80
328 },
329 { /* 0x0d */
330 TVP5150_DATA_RATE_SEL,0x47
331 },
332 { /* 0x0e */
333 TVP5150_LUMA_PROC_CTL_3,0x00
334 },
335 { /* 0x0f */
336 TVP5150_CONF_SHARED_PIN,0x08
337 },
338 { /* 0x11 */
339 TVP5150_ACT_VD_CROP_ST_MSB,0x00
340 },
341 { /* 0x12 */
342 TVP5150_ACT_VD_CROP_ST_LSB,0x00
343 },
344 { /* 0x13 */
345 TVP5150_ACT_VD_CROP_STP_MSB,0x00
346 },
347 { /* 0x14 */
348 TVP5150_ACT_VD_CROP_STP_LSB,0x00
349 },
350 { /* 0x15 */
351 TVP5150_GENLOCK,0x01
352 },
353 { /* 0x16 */
354 TVP5150_HORIZ_SYNC_START,0x80
355 },
356 { /* 0x18 */
357 TVP5150_VERT_BLANKING_START,0x00
358 },
359 { /* 0x19 */
360 TVP5150_VERT_BLANKING_STOP,0x00
361 },
362 { /* 0x1a */
363 TVP5150_CHROMA_PROC_CTL_1,0x0c
364 },
365 { /* 0x1b */
366 TVP5150_CHROMA_PROC_CTL_2,0x14
367 },
368 { /* 0x1c */
369 TVP5150_INT_RESET_REG_B,0x00
370 },
371 { /* 0x1d */
372 TVP5150_INT_ENABLE_REG_B,0x00
373 },
374 { /* 0x1e */
375 TVP5150_INTT_CONFIG_REG_B,0x00
376 },
377 { /* 0x28 */
378 TVP5150_VIDEO_STD,0x00
379 },
380 { /* 0x2e */
381 TVP5150_MACROVISION_ON_CTR,0x0f
382 },
383 { /* 0x2f */
384 TVP5150_MACROVISION_OFF_CTR,0x01
385 },
386 { /* 0xbb */
387 TVP5150_TELETEXT_FIL_ENA,0x00
388 },
389 { /* 0xc0 */
390 TVP5150_INT_STATUS_REG_A,0x00
391 },
392 { /* 0xc1 */
393 TVP5150_INT_ENABLE_REG_A,0x00
394 },
395 { /* 0xc2 */
396 TVP5150_INT_CONF,0x04
397 },
398 { /* 0xc8 */
399 TVP5150_FIFO_INT_THRESHOLD,0x80
400 },
401 { /* 0xc9 */
402 TVP5150_FIFO_RESET,0x00
403 },
404 { /* 0xca */
405 TVP5150_LINE_NUMBER_INT,0x00
406 },
407 { /* 0xcb */
408 TVP5150_PIX_ALIGN_REG_LOW,0x4e
409 },
410 { /* 0xcc */
411 TVP5150_PIX_ALIGN_REG_HIGH,0x00
412 },
413 { /* 0xcd */
414 TVP5150_FIFO_OUT_CTRL,0x01
415 },
416 { /* 0xcf */
417 TVP5150_FULL_FIELD_ENA,0x00
418 },
419 { /* 0xd0 */
420 TVP5150_LINE_MODE_INI,0x00
421 },
422 { /* 0xfc */
423 TVP5150_FULL_FIELD_MODE_REG,0x7f
424 },
425 { /* end of data */
426 0xff,0xff
427 }
428 };
429
430 /* Default values as sugested at TVP5150AM1 datasheet */
431 static const struct i2c_reg_value tvp5150_init_enable[] = {
432 {
433 TVP5150_CONF_SHARED_PIN, 2
434 },{ /* Automatic offset and AGC enabled */
435 TVP5150_ANAL_CHL_CTL, 0x15
436 },{ /* Activate YCrCb output 0x9 or 0xd ? */
437 TVP5150_MISC_CTL, 0x6f
438 },{ /* Activates video std autodetection for all standards */
439 TVP5150_AUTOSW_MSK, 0x0
440 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
441 TVP5150_DATA_RATE_SEL, 0x47
442 },{
443 TVP5150_CHROMA_PROC_CTL_1, 0x0c
444 },{
445 TVP5150_CHROMA_PROC_CTL_2, 0x54
446 },{ /* Non documented, but initialized on WinTV USB2 */
447 0x27, 0x20
448 },{
449 0xff,0xff
450 }
451 };
452
453 struct tvp5150_vbi_type {
454 unsigned int vbi_type;
455 unsigned int ini_line;
456 unsigned int end_line;
457 unsigned int by_field :1;
458 };
459
460 struct i2c_vbi_ram_value {
461 u16 reg;
462 struct tvp5150_vbi_type type;
463 unsigned char values[16];
464 };
465
466 /* This struct have the values for each supported VBI Standard
467 * by
468 tvp5150_vbi_types should follow the same order as vbi_ram_default
469 * value 0 means rom position 0x10, value 1 means rom position 0x30
470 * and so on. There are 16 possible locations from 0 to 15.
471 */
472
473 static struct i2c_vbi_ram_value vbi_ram_default[] =
474 {
475 /* FIXME: Current api doesn't handle all VBI types, those not
476 yet supported are placed under #if 0 */
477 #if 0
478 {0x010, /* Teletext, SECAM, WST System A */
479 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
480 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
481 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
482 },
483 #endif
484 {0x030, /* Teletext, PAL, WST System B */
485 {V4L2_SLICED_TELETEXT_B,6,22,1},
486 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
487 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
488 },
489 #if 0
490 {0x050, /* Teletext, PAL, WST System C */
491 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
492 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
493 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
494 },
495 {0x070, /* Teletext, NTSC, WST System B */
496 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
497 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
498 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
499 },
500 {0x090, /* Tetetext, NTSC NABTS System C */
501 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
502 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
503 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
504 },
505 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
506 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
507 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
508 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
509 },
510 {0x0d0, /* Closed Caption, PAL/SECAM */
511 {V4L2_SLICED_CAPTION_625,22,22,1},
512 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
513 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
514 },
515 #endif
516 {0x0f0, /* Closed Caption, NTSC */
517 {V4L2_SLICED_CAPTION_525,21,21,1},
518 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
519 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
520 },
521 {0x110, /* Wide Screen Signal, PAL/SECAM */
522 {V4L2_SLICED_WSS_625,23,23,1},
523 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
524 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
525 },
526 #if 0
527 {0x130, /* Wide Screen Signal, NTSC C */
528 {V4L2_SLICED_WSS_525,20,20,1},
529 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
530 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
531 },
532 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
533 {V4l2_SLICED_VITC_625,6,22,0},
534 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
535 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
536 },
537 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
538 {V4l2_SLICED_VITC_525,10,20,0},
539 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
540 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
541 },
542 #endif
543 {0x190, /* Video Program System (VPS), PAL */
544 {V4L2_SLICED_VPS,16,16,0},
545 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
546 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
547 },
548 /* 0x1d0 User programmable */
549
550 /* End of struct */
551 { (u16)-1 }
552 };
553
554 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
555 const struct i2c_reg_value *regs)
556 {
557 while (regs->reg != 0xff) {
558 tvp5150_write(sd, regs->reg, regs->value);
559 regs++;
560 }
561 return 0;
562 }
563
564 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
565 const struct i2c_vbi_ram_value *regs)
566 {
567 unsigned int i;
568
569 /* Disable Full Field */
570 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
571
572 /* Before programming, Line mode should be at 0xff */
573 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
574 tvp5150_write(sd, i, 0xff);
575
576 /* Load Ram Table */
577 while (regs->reg != (u16)-1) {
578 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
579 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
580
581 for (i = 0; i < 16; i++)
582 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
583
584 regs++;
585 }
586 return 0;
587 }
588
589 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
590 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
591 struct v4l2_sliced_vbi_cap *cap)
592 {
593 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
594 int line;
595
596 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
597 memset(cap, 0, sizeof *cap);
598
599 while (regs->reg != (u16)-1 ) {
600 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
601 cap->service_lines[0][line] |= regs->type.vbi_type;
602 }
603 cap->service_set |= regs->type.vbi_type;
604
605 regs++;
606 }
607 return 0;
608 }
609
610 /* Set vbi processing
611 * type - one of tvp5150_vbi_types
612 * line - line to gather data
613 * fields: bit 0 field1, bit 1, field2
614 * flags (default=0xf0) is a bitmask, were set means:
615 * bit 7: enable filtering null bytes on CC
616 * bit 6: send data also to FIFO
617 * bit 5: don't allow data with errors on FIFO
618 * bit 4: enable ECC when possible
619 * pix_align = pix alignment:
620 * LSB = field1
621 * MSB = field2
622 */
623 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
624 const struct i2c_vbi_ram_value *regs,
625 unsigned int type,u8 flags, int line,
626 const int fields)
627 {
628 struct tvp5150 *decoder = to_tvp5150(sd);
629 v4l2_std_id std = decoder->norm;
630 u8 reg;
631 int pos=0;
632
633 if (std == V4L2_STD_ALL) {
634 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
635 return 0;
636 } else if (std & V4L2_STD_625_50) {
637 /* Don't follow NTSC Line number convension */
638 line += 3;
639 }
640
641 if (line<6||line>27)
642 return 0;
643
644 while (regs->reg != (u16)-1 ) {
645 if ((type & regs->type.vbi_type) &&
646 (line>=regs->type.ini_line) &&
647 (line<=regs->type.end_line)) {
648 type=regs->type.vbi_type;
649 break;
650 }
651
652 regs++;
653 pos++;
654 }
655 if (regs->reg == (u16)-1)
656 return 0;
657
658 type=pos | (flags & 0xf0);
659 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
660
661 if (fields&1) {
662 tvp5150_write(sd, reg, type);
663 }
664
665 if (fields&2) {
666 tvp5150_write(sd, reg+1, type);
667 }
668
669 return type;
670 }
671
672 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
673 const struct i2c_vbi_ram_value *regs, int line)
674 {
675 struct tvp5150 *decoder = to_tvp5150(sd);
676 v4l2_std_id std = decoder->norm;
677 u8 reg;
678 int pos, type = 0;
679
680 if (std == V4L2_STD_ALL) {
681 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
682 return 0;
683 } else if (std & V4L2_STD_625_50) {
684 /* Don't follow NTSC Line number convension */
685 line += 3;
686 }
687
688 if (line < 6 || line > 27)
689 return 0;
690
691 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
692
693 pos = tvp5150_read(sd, reg) & 0x0f;
694 if (pos < 0x0f)
695 type = regs[pos].type.vbi_type;
696
697 pos = tvp5150_read(sd, reg + 1) & 0x0f;
698 if (pos < 0x0f)
699 type |= regs[pos].type.vbi_type;
700
701 return type;
702 }
703
704 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
705 {
706 struct tvp5150 *decoder = to_tvp5150(sd);
707 int fmt = 0;
708
709 decoder->norm = std;
710
711 /* First tests should be against specific std */
712
713 if (std == V4L2_STD_ALL) {
714 fmt = VIDEO_STD_AUTO_SWITCH_BIT; /* Autodetect mode */
715 } else if (std & V4L2_STD_NTSC_443) {
716 fmt = VIDEO_STD_NTSC_4_43_BIT;
717 } else if (std & V4L2_STD_PAL_M) {
718 fmt = VIDEO_STD_PAL_M_BIT;
719 } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
720 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
721 } else {
722 /* Then, test against generic ones */
723 if (std & V4L2_STD_NTSC)
724 fmt = VIDEO_STD_NTSC_MJ_BIT;
725 else if (std & V4L2_STD_PAL)
726 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
727 else if (std & V4L2_STD_SECAM)
728 fmt = VIDEO_STD_SECAM_BIT;
729 }
730
731 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
732 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
733 return 0;
734 }
735
736 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
737 {
738 struct tvp5150 *decoder = to_tvp5150(sd);
739
740 if (decoder->norm == std)
741 return 0;
742
743 /* Change cropping height limits */
744 if (std & V4L2_STD_525_60)
745 decoder->rect.height = TVP5150_V_MAX_525_60;
746 else
747 decoder->rect.height = TVP5150_V_MAX_OTHERS;
748
749
750 return tvp5150_set_std(sd, std);
751 }
752
753 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
754 {
755 struct tvp5150 *decoder = to_tvp5150(sd);
756
757 /* Initializes TVP5150 to its default values */
758 tvp5150_write_inittab(sd, tvp5150_init_default);
759
760 /* Initializes VDP registers */
761 tvp5150_vdp_init(sd, vbi_ram_default);
762
763 /* Selects decoder input */
764 tvp5150_selmux(sd);
765
766 /* Initializes TVP5150 to stream enabled values */
767 tvp5150_write_inittab(sd, tvp5150_init_enable);
768
769 /* Initialize image preferences */
770 v4l2_ctrl_handler_setup(&decoder->hdl);
771
772 tvp5150_set_std(sd, decoder->norm);
773 return 0;
774 };
775
776 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
777 {
778 struct v4l2_subdev *sd = to_sd(ctrl);
779
780 switch (ctrl->id) {
781 case V4L2_CID_BRIGHTNESS:
782 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
783 return 0;
784 case V4L2_CID_CONTRAST:
785 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
786 return 0;
787 case V4L2_CID_SATURATION:
788 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
789 return 0;
790 case V4L2_CID_HUE:
791 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
792 return 0;
793 }
794 return -EINVAL;
795 }
796
797 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
798 {
799 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
800
801 switch (val & 0x0F) {
802 case 0x01:
803 return V4L2_STD_NTSC;
804 case 0x03:
805 return V4L2_STD_PAL;
806 case 0x05:
807 return V4L2_STD_PAL_M;
808 case 0x07:
809 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
810 case 0x09:
811 return V4L2_STD_NTSC_443;
812 case 0xb:
813 return V4L2_STD_SECAM;
814 default:
815 return V4L2_STD_UNKNOWN;
816 }
817 }
818
819 static int tvp5150_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
820 enum v4l2_mbus_pixelcode *code)
821 {
822 if (index)
823 return -EINVAL;
824
825 *code = V4L2_MBUS_FMT_YUYV8_2X8;
826 return 0;
827 }
828
829 static int tvp5150_mbus_fmt(struct v4l2_subdev *sd,
830 struct v4l2_mbus_framefmt *f)
831 {
832 struct tvp5150 *decoder = to_tvp5150(sd);
833 v4l2_std_id std;
834
835 if (f == NULL)
836 return -EINVAL;
837
838 tvp5150_reset(sd, 0);
839
840 /* Calculate height and width based on current standard */
841 if (decoder->norm == V4L2_STD_ALL)
842 std = tvp5150_read_std(sd);
843 else
844 std = decoder->norm;
845
846 f->width = decoder->rect.width;
847 f->height = decoder->rect.height;
848
849 f->code = V4L2_MBUS_FMT_YUYV8_2X8;
850 f->field = V4L2_FIELD_SEQ_TB;
851 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
852
853 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
854 f->height);
855 return 0;
856 }
857
858 static int tvp5150_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
859 {
860 struct v4l2_rect rect = a->c;
861 struct tvp5150 *decoder = to_tvp5150(sd);
862 v4l2_std_id std;
863 int hmax;
864
865 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
866 __func__, rect.left, rect.top, rect.width, rect.height);
867
868 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
869 return -EINVAL;
870
871 /* tvp5150 has some special limits */
872 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
873 rect.width = clamp(rect.width,
874 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
875 TVP5150_H_MAX - rect.left);
876 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
877
878 /* Calculate height based on current standard */
879 if (decoder->norm == V4L2_STD_ALL)
880 std = tvp5150_read_std(sd);
881 else
882 std = decoder->norm;
883
884 if (std & V4L2_STD_525_60)
885 hmax = TVP5150_V_MAX_525_60;
886 else
887 hmax = TVP5150_V_MAX_OTHERS;
888
889 rect.height = clamp(rect.height,
890 hmax - TVP5150_MAX_CROP_TOP - rect.top,
891 hmax - rect.top);
892
893 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
894 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
895 rect.top + rect.height - hmax);
896 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
897 rect.left >> TVP5150_CROP_SHIFT);
898 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
899 rect.left | (1 << TVP5150_CROP_SHIFT));
900 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
901 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
902 TVP5150_CROP_SHIFT);
903 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
904 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
905
906 decoder->rect = rect;
907
908 return 0;
909 }
910
911 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
912 {
913 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
914
915 a->c = decoder->rect;
916 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
917
918 return 0;
919 }
920
921 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
922 {
923 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
924 v4l2_std_id std;
925
926 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
927 return -EINVAL;
928
929 a->bounds.left = 0;
930 a->bounds.top = 0;
931 a->bounds.width = TVP5150_H_MAX;
932
933 /* Calculate height based on current standard */
934 if (decoder->norm == V4L2_STD_ALL)
935 std = tvp5150_read_std(sd);
936 else
937 std = decoder->norm;
938
939 if (std & V4L2_STD_525_60)
940 a->bounds.height = TVP5150_V_MAX_525_60;
941 else
942 a->bounds.height = TVP5150_V_MAX_OTHERS;
943
944 a->defrect = a->bounds;
945 a->pixelaspect.numerator = 1;
946 a->pixelaspect.denominator = 1;
947
948 return 0;
949 }
950
951 /****************************************************************************
952 I2C Command
953 ****************************************************************************/
954
955 static int tvp5150_s_routing(struct v4l2_subdev *sd,
956 u32 input, u32 output, u32 config)
957 {
958 struct tvp5150 *decoder = to_tvp5150(sd);
959
960 decoder->input = input;
961 decoder->output = output;
962 tvp5150_selmux(sd);
963 return 0;
964 }
965
966 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
967 {
968 /* this is for capturing 36 raw vbi lines
969 if there's a way to cut off the beginning 2 vbi lines
970 with the tvp5150 then the vbi line count could be lowered
971 to 17 lines/field again, although I couldn't find a register
972 which could do that cropping */
973 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
974 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
975 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
976 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
977 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
978 }
979 return 0;
980 }
981
982 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
983 {
984 int i;
985
986 if (svbi->service_set != 0) {
987 for (i = 0; i <= 23; i++) {
988 svbi->service_lines[1][i] = 0;
989 svbi->service_lines[0][i] =
990 tvp5150_set_vbi(sd, vbi_ram_default,
991 svbi->service_lines[0][i], 0xf0, i, 3);
992 }
993 /* Enables FIFO */
994 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
995 } else {
996 /* Disables FIFO*/
997 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
998
999 /* Disable Full Field */
1000 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1001
1002 /* Disable Line modes */
1003 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1004 tvp5150_write(sd, i, 0xff);
1005 }
1006 return 0;
1007 }
1008
1009 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1010 {
1011 int i, mask = 0;
1012
1013 memset(svbi, 0, sizeof(*svbi));
1014
1015 for (i = 0; i <= 23; i++) {
1016 svbi->service_lines[0][i] =
1017 tvp5150_get_vbi(sd, vbi_ram_default, i);
1018 mask |= svbi->service_lines[0][i];
1019 }
1020 svbi->service_set = mask;
1021 return 0;
1022 }
1023
1024 static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
1025 struct v4l2_dbg_chip_ident *chip)
1026 {
1027 int rev;
1028 struct i2c_client *client = v4l2_get_subdevdata(sd);
1029
1030 rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 |
1031 tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
1032
1033 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150,
1034 rev);
1035 }
1036
1037
1038 #ifdef CONFIG_VIDEO_ADV_DEBUG
1039 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1040 {
1041 struct i2c_client *client = v4l2_get_subdevdata(sd);
1042
1043 if (!v4l2_chip_match_i2c_client(client, &reg->match))
1044 return -EINVAL;
1045 if (!capable(CAP_SYS_ADMIN))
1046 return -EPERM;
1047 reg->val = tvp5150_read(sd, reg->reg & 0xff);
1048 reg->size = 1;
1049 return 0;
1050 }
1051
1052 static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1053 {
1054 struct i2c_client *client = v4l2_get_subdevdata(sd);
1055
1056 if (!v4l2_chip_match_i2c_client(client, &reg->match))
1057 return -EINVAL;
1058 if (!capable(CAP_SYS_ADMIN))
1059 return -EPERM;
1060 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1061 return 0;
1062 }
1063 #endif
1064
1065 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1066 {
1067 int status = tvp5150_read(sd, 0x88);
1068
1069 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1070 return 0;
1071 }
1072
1073 /* ----------------------------------------------------------------------- */
1074
1075 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1076 .s_ctrl = tvp5150_s_ctrl,
1077 };
1078
1079 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1080 .log_status = tvp5150_log_status,
1081 .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
1082 .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
1083 .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
1084 .g_ctrl = v4l2_subdev_g_ctrl,
1085 .s_ctrl = v4l2_subdev_s_ctrl,
1086 .queryctrl = v4l2_subdev_queryctrl,
1087 .querymenu = v4l2_subdev_querymenu,
1088 .s_std = tvp5150_s_std,
1089 .reset = tvp5150_reset,
1090 .g_chip_ident = tvp5150_g_chip_ident,
1091 #ifdef CONFIG_VIDEO_ADV_DEBUG
1092 .g_register = tvp5150_g_register,
1093 .s_register = tvp5150_s_register,
1094 #endif
1095 };
1096
1097 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1098 .g_tuner = tvp5150_g_tuner,
1099 };
1100
1101 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1102 .s_routing = tvp5150_s_routing,
1103 .enum_mbus_fmt = tvp5150_enum_mbus_fmt,
1104 .s_mbus_fmt = tvp5150_mbus_fmt,
1105 .try_mbus_fmt = tvp5150_mbus_fmt,
1106 .g_mbus_fmt = tvp5150_mbus_fmt,
1107 .s_crop = tvp5150_s_crop,
1108 .g_crop = tvp5150_g_crop,
1109 .cropcap = tvp5150_cropcap,
1110 };
1111
1112 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1113 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1114 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1115 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1116 .s_raw_fmt = tvp5150_s_raw_fmt,
1117 };
1118
1119 static const struct v4l2_subdev_ops tvp5150_ops = {
1120 .core = &tvp5150_core_ops,
1121 .tuner = &tvp5150_tuner_ops,
1122 .video = &tvp5150_video_ops,
1123 .vbi = &tvp5150_vbi_ops,
1124 };
1125
1126
1127 /****************************************************************************
1128 I2C Client & Driver
1129 ****************************************************************************/
1130
1131 static int tvp5150_probe(struct i2c_client *c,
1132 const struct i2c_device_id *id)
1133 {
1134 struct tvp5150 *core;
1135 struct v4l2_subdev *sd;
1136 u8 msb_id, lsb_id, msb_rom, lsb_rom;
1137
1138 /* Check if the adapter supports the needed features */
1139 if (!i2c_check_functionality(c->adapter,
1140 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1141 return -EIO;
1142
1143 core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1144 if (!core) {
1145 return -ENOMEM;
1146 }
1147 sd = &core->sd;
1148 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1149 v4l_info(c, "chip found @ 0x%02x (%s)\n",
1150 c->addr << 1, c->adapter->name);
1151
1152 msb_id = tvp5150_read(sd, TVP5150_MSB_DEV_ID);
1153 lsb_id = tvp5150_read(sd, TVP5150_LSB_DEV_ID);
1154 msb_rom = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER);
1155 lsb_rom = tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
1156
1157 if (msb_rom == 4 && lsb_rom == 0) { /* Is TVP5150AM1 */
1158 v4l2_info(sd, "tvp%02x%02xam1 detected.\n", msb_id, lsb_id);
1159
1160 /* ITU-T BT.656.4 timing */
1161 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1162 } else {
1163 if (msb_rom == 3 || lsb_rom == 0x21) { /* Is TVP5150A */
1164 v4l2_info(sd, "tvp%02x%02xa detected.\n", msb_id, lsb_id);
1165 } else {
1166 v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
1167 msb_id, lsb_id);
1168 v4l2_info(sd, "*** Rom ver is %d.%d\n", msb_rom, lsb_rom);
1169 }
1170 }
1171
1172 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1173 core->input = TVP5150_COMPOSITE1;
1174 core->enable = 1;
1175
1176 v4l2_ctrl_handler_init(&core->hdl, 4);
1177 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1178 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1179 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1180 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1181 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1182 V4L2_CID_SATURATION, 0, 255, 1, 128);
1183 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1184 V4L2_CID_HUE, -128, 127, 1, 0);
1185 sd->ctrl_handler = &core->hdl;
1186 if (core->hdl.error) {
1187 int err = core->hdl.error;
1188
1189 v4l2_ctrl_handler_free(&core->hdl);
1190 kfree(core);
1191 return err;
1192 }
1193 v4l2_ctrl_handler_setup(&core->hdl);
1194
1195 /* Default is no cropping */
1196 core->rect.top = 0;
1197 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1198 core->rect.height = TVP5150_V_MAX_525_60;
1199 else
1200 core->rect.height = TVP5150_V_MAX_OTHERS;
1201 core->rect.left = 0;
1202 core->rect.width = TVP5150_H_MAX;
1203
1204 if (debug > 1)
1205 tvp5150_log_status(sd);
1206 return 0;
1207 }
1208
1209 static int tvp5150_remove(struct i2c_client *c)
1210 {
1211 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1212 struct tvp5150 *decoder = to_tvp5150(sd);
1213
1214 v4l2_dbg(1, debug, sd,
1215 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1216 c->addr << 1);
1217
1218 v4l2_device_unregister_subdev(sd);
1219 v4l2_ctrl_handler_free(&decoder->hdl);
1220 kfree(to_tvp5150(sd));
1221 return 0;
1222 }
1223
1224 /* ----------------------------------------------------------------------- */
1225
1226 static const struct i2c_device_id tvp5150_id[] = {
1227 { "tvp5150", 0 },
1228 { }
1229 };
1230 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1231
1232 static struct i2c_driver tvp5150_driver = {
1233 .driver = {
1234 .owner = THIS_MODULE,
1235 .name = "tvp5150",
1236 },
1237 .probe = tvp5150_probe,
1238 .remove = tvp5150_remove,
1239 .id_table = tvp5150_id,
1240 };
1241
1242 module_i2c_driver(tvp5150_driver);
Linux kernel - Deliverables
This page took 0.118839 seconds and 6 git commands to generate.