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IB: Fix information leak in marshalling code
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / video / tvp5150.c
blob1654f65cca7c0dfe7c487b12fe32c37711a0b6e3
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 <media/v4l2-device.h>
13 #include <media/tvp5150.h>
14 #include <media/v4l2-i2c-drv.h>
15 #include <media/v4l2-chip-ident.h>
16
17 #include "tvp5150_reg.h"
18
19 MODULE_DESCRIPTION("Texas Instruments TVP5150A video decoder driver");
20 MODULE_AUTHOR("Mauro Carvalho Chehab");
21 MODULE_LICENSE("GPL");
22
23
24 static int debug;
25 module_param(debug, int, 0);
26 MODULE_PARM_DESC(debug, "Debug level (0-2)");
27
28 /* supported controls */
29 static struct v4l2_queryctrl tvp5150_qctrl[] = {
30 {
31 .id = V4L2_CID_BRIGHTNESS,
32 .type = V4L2_CTRL_TYPE_INTEGER,
33 .name = "Brightness",
34 .minimum = 0,
35 .maximum = 255,
36 .step = 1,
37 .default_value = 128,
38 .flags = 0,
39 }, {
40 .id = V4L2_CID_CONTRAST,
41 .type = V4L2_CTRL_TYPE_INTEGER,
42 .name = "Contrast",
43 .minimum = 0,
44 .maximum = 255,
45 .step = 0x1,
46 .default_value = 128,
47 .flags = 0,
48 }, {
49 .id = V4L2_CID_SATURATION,
50 .type = V4L2_CTRL_TYPE_INTEGER,
51 .name = "Saturation",
52 .minimum = 0,
53 .maximum = 255,
54 .step = 0x1,
55 .default_value = 128,
56 .flags = 0,
57 }, {
58 .id = V4L2_CID_HUE,
59 .type = V4L2_CTRL_TYPE_INTEGER,
60 .name = "Hue",
61 .minimum = -128,
62 .maximum = 127,
63 .step = 0x1,
64 .default_value = 0,
65 .flags = 0,
66 }
67 };
68
69 struct tvp5150 {
70 struct v4l2_subdev sd;
71
72 v4l2_std_id norm; /* Current set standard */
73 u32 input;
74 u32 output;
75 int enable;
76 int bright;
77 int contrast;
78 int hue;
79 int sat;
80 };
81
82 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
83 {
84 return container_of(sd, struct tvp5150, sd);
85 }
86
87 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
88 {
89 struct i2c_client *c = v4l2_get_subdevdata(sd);
90 unsigned char buffer[1];
91 int rc;
92
93 buffer[0] = addr;
94 if (1 != (rc = i2c_master_send(c, buffer, 1)))
95 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
96
97 msleep(10);
98
99 if (1 != (rc = i2c_master_recv(c, buffer, 1)))
100 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 1)\n", rc);
101
102 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
103
104 return (buffer[0]);
105 }
106
107 static inline void tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
108 unsigned char value)
109 {
110 struct i2c_client *c = v4l2_get_subdevdata(sd);
111 unsigned char buffer[2];
112 int rc;
113
114 buffer[0] = addr;
115 buffer[1] = value;
116 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
117 if (2 != (rc = i2c_master_send(c, buffer, 2)))
118 v4l2_dbg(0, debug, sd, "i2c i/o error: rc == %d (should be 2)\n", rc);
119 }
120
121 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
122 const u8 end, int max_line)
123 {
124 int i = 0;
125
126 while (init != (u8)(end + 1)) {
127 if ((i % max_line) == 0) {
128 if (i > 0)
129 printk("\n");
130 printk("tvp5150: %s reg 0x%02x = ", s, init);
131 }
132 printk("%02x ", tvp5150_read(sd, init));
133
134 init++;
135 i++;
136 }
137 printk("\n");
138 }
139
140 static int tvp5150_log_status(struct v4l2_subdev *sd)
141 {
142 printk("tvp5150: Video input source selection #1 = 0x%02x\n",
143 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
144 printk("tvp5150: Analog channel controls = 0x%02x\n",
145 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
146 printk("tvp5150: Operation mode controls = 0x%02x\n",
147 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
148 printk("tvp5150: Miscellaneous controls = 0x%02x\n",
149 tvp5150_read(sd, TVP5150_MISC_CTL));
150 printk("tvp5150: Autoswitch mask= 0x%02x\n",
151 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
152 printk("tvp5150: Color killer threshold control = 0x%02x\n",
153 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
154 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
155 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
156 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
157 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
158 printk("tvp5150: Brightness control = 0x%02x\n",
159 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
160 printk("tvp5150: Color saturation control = 0x%02x\n",
161 tvp5150_read(sd, TVP5150_SATURATION_CTL));
162 printk("tvp5150: Hue control = 0x%02x\n",
163 tvp5150_read(sd, TVP5150_HUE_CTL));
164 printk("tvp5150: Contrast control = 0x%02x\n",
165 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
166 printk("tvp5150: Outputs and data rates select = 0x%02x\n",
167 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
168 printk("tvp5150: Configuration shared pins = 0x%02x\n",
169 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
170 printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
171 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
172 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
173 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
174 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
175 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
176 printk("tvp5150: Genlock/RTC = 0x%02x\n",
177 tvp5150_read(sd, TVP5150_GENLOCK));
178 printk("tvp5150: Horizontal sync start = 0x%02x\n",
179 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
180 printk("tvp5150: Vertical blanking start = 0x%02x\n",
181 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
182 printk("tvp5150: Vertical blanking stop = 0x%02x\n",
183 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
184 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
185 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
186 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
187 printk("tvp5150: Interrupt reset register B = 0x%02x\n",
188 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
189 printk("tvp5150: Interrupt enable register B = 0x%02x\n",
190 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
191 printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
192 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
193 printk("tvp5150: Video standard = 0x%02x\n",
194 tvp5150_read(sd, TVP5150_VIDEO_STD));
195 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
196 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
197 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
198 printk("tvp5150: Macrovision on counter = 0x%02x\n",
199 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
200 printk("tvp5150: Macrovision off counter = 0x%02x\n",
201 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
202 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
203 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
204 printk("tvp5150: Device ID = %02x%02x\n",
205 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
206 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
207 printk("tvp5150: ROM version = (hex) %02x.%02x\n",
208 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
209 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
210 printk("tvp5150: Vertical line count = 0x%02x%02x\n",
211 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
212 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
213 printk("tvp5150: Interrupt status register B = 0x%02x\n",
214 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
215 printk("tvp5150: Interrupt active register B = 0x%02x\n",
216 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
217 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
218 tvp5150_read(sd, TVP5150_STATUS_REG_1),
219 tvp5150_read(sd, TVP5150_STATUS_REG_2),
220 tvp5150_read(sd, TVP5150_STATUS_REG_3),
221 tvp5150_read(sd, TVP5150_STATUS_REG_4),
222 tvp5150_read(sd, TVP5150_STATUS_REG_5));
223
224 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
225 TVP5150_TELETEXT_FIL1_END, 8);
226 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
227 TVP5150_TELETEXT_FIL2_END, 8);
228
229 printk("tvp5150: Teletext filter enable = 0x%02x\n",
230 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
231 printk("tvp5150: Interrupt status register A = 0x%02x\n",
232 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
233 printk("tvp5150: Interrupt enable register A = 0x%02x\n",
234 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
235 printk("tvp5150: Interrupt configuration = 0x%02x\n",
236 tvp5150_read(sd, TVP5150_INT_CONF));
237 printk("tvp5150: VDP status register = 0x%02x\n",
238 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
239 printk("tvp5150: FIFO word count = 0x%02x\n",
240 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
241 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
242 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
243 printk("tvp5150: FIFO reset = 0x%02x\n",
244 tvp5150_read(sd, TVP5150_FIFO_RESET));
245 printk("tvp5150: Line number interrupt = 0x%02x\n",
246 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
247 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
248 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
249 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
250 printk("tvp5150: FIFO output control = 0x%02x\n",
251 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
252 printk("tvp5150: Full field enable = 0x%02x\n",
253 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
254 printk("tvp5150: Full field mode register = 0x%02x\n",
255 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
256
257 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
258 TVP5150_CC_DATA_END, 8);
259
260 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
261 TVP5150_WSS_DATA_END, 8);
262
263 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
264 TVP5150_VPS_DATA_END, 8);
265
266 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
267 TVP5150_VITC_DATA_END, 10);
268
269 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
270 TVP5150_LINE_MODE_END, 8);
271 return 0;
272 }
273
274 /****************************************************************************
275 Basic functions
276 ****************************************************************************/
277
278 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
279 {
280 int opmode=0;
281 struct tvp5150 *decoder = to_tvp5150(sd);
282 int input = 0;
283 unsigned char val;
284
285 if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
286 input = 8;
287
288 switch (decoder->input) {
289 case TVP5150_COMPOSITE1:
290 input |= 2;
291 /* fall through */
292 case TVP5150_COMPOSITE0:
293 opmode=0x30; /* TV Mode */
294 break;
295 case TVP5150_SVIDEO:
296 default:
297 input |= 1;
298 opmode=0; /* Auto Mode */
299 break;
300 }
301
302 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
303 "=> tvp5150 input=%i, opmode=%i\n",
304 decoder->input, decoder->output,
305 input, opmode);
306
307 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
308 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
309
310 /* Svideo should enable YCrCb output and disable GPCL output
311 * For Composite and TV, it should be the reverse
312 */
313 val = tvp5150_read(sd, TVP5150_MISC_CTL);
314 if (decoder->input == TVP5150_SVIDEO)
315 val = (val & ~0x40) | 0x10;
316 else
317 val = (val & ~0x10) | 0x40;
318 tvp5150_write(sd, TVP5150_MISC_CTL, val);
319 };
320
321 struct i2c_reg_value {
322 unsigned char reg;
323 unsigned char value;
324 };
325
326 /* Default values as sugested at TVP5150AM1 datasheet */
327 static const struct i2c_reg_value tvp5150_init_default[] = {
328 { /* 0x00 */
329 TVP5150_VD_IN_SRC_SEL_1,0x00
330 },
331 { /* 0x01 */
332 TVP5150_ANAL_CHL_CTL,0x15
333 },
334 { /* 0x02 */
335 TVP5150_OP_MODE_CTL,0x00
336 },
337 { /* 0x03 */
338 TVP5150_MISC_CTL,0x01
339 },
340 { /* 0x06 */
341 TVP5150_COLOR_KIL_THSH_CTL,0x10
342 },
343 { /* 0x07 */
344 TVP5150_LUMA_PROC_CTL_1,0x60
345 },
346 { /* 0x08 */
347 TVP5150_LUMA_PROC_CTL_2,0x00
348 },
349 { /* 0x09 */
350 TVP5150_BRIGHT_CTL,0x80
351 },
352 { /* 0x0a */
353 TVP5150_SATURATION_CTL,0x80
354 },
355 { /* 0x0b */
356 TVP5150_HUE_CTL,0x00
357 },
358 { /* 0x0c */
359 TVP5150_CONTRAST_CTL,0x80
360 },
361 { /* 0x0d */
362 TVP5150_DATA_RATE_SEL,0x47
363 },
364 { /* 0x0e */
365 TVP5150_LUMA_PROC_CTL_3,0x00
366 },
367 { /* 0x0f */
368 TVP5150_CONF_SHARED_PIN,0x08
369 },
370 { /* 0x11 */
371 TVP5150_ACT_VD_CROP_ST_MSB,0x00
372 },
373 { /* 0x12 */
374 TVP5150_ACT_VD_CROP_ST_LSB,0x00
375 },
376 { /* 0x13 */
377 TVP5150_ACT_VD_CROP_STP_MSB,0x00
378 },
379 { /* 0x14 */
380 TVP5150_ACT_VD_CROP_STP_LSB,0x00
381 },
382 { /* 0x15 */
383 TVP5150_GENLOCK,0x01
384 },
385 { /* 0x16 */
386 TVP5150_HORIZ_SYNC_START,0x80
387 },
388 { /* 0x18 */
389 TVP5150_VERT_BLANKING_START,0x00
390 },
391 { /* 0x19 */
392 TVP5150_VERT_BLANKING_STOP,0x00
393 },
394 { /* 0x1a */
395 TVP5150_CHROMA_PROC_CTL_1,0x0c
396 },
397 { /* 0x1b */
398 TVP5150_CHROMA_PROC_CTL_2,0x14
399 },
400 { /* 0x1c */
401 TVP5150_INT_RESET_REG_B,0x00
402 },
403 { /* 0x1d */
404 TVP5150_INT_ENABLE_REG_B,0x00
405 },
406 { /* 0x1e */
407 TVP5150_INTT_CONFIG_REG_B,0x00
408 },
409 { /* 0x28 */
410 TVP5150_VIDEO_STD,0x00
411 },
412 { /* 0x2e */
413 TVP5150_MACROVISION_ON_CTR,0x0f
414 },
415 { /* 0x2f */
416 TVP5150_MACROVISION_OFF_CTR,0x01
417 },
418 { /* 0xbb */
419 TVP5150_TELETEXT_FIL_ENA,0x00
420 },
421 { /* 0xc0 */
422 TVP5150_INT_STATUS_REG_A,0x00
423 },
424 { /* 0xc1 */
425 TVP5150_INT_ENABLE_REG_A,0x00
426 },
427 { /* 0xc2 */
428 TVP5150_INT_CONF,0x04
429 },
430 { /* 0xc8 */
431 TVP5150_FIFO_INT_THRESHOLD,0x80
432 },
433 { /* 0xc9 */
434 TVP5150_FIFO_RESET,0x00
435 },
436 { /* 0xca */
437 TVP5150_LINE_NUMBER_INT,0x00
438 },
439 { /* 0xcb */
440 TVP5150_PIX_ALIGN_REG_LOW,0x4e
441 },
442 { /* 0xcc */
443 TVP5150_PIX_ALIGN_REG_HIGH,0x00
444 },
445 { /* 0xcd */
446 TVP5150_FIFO_OUT_CTRL,0x01
447 },
448 { /* 0xcf */
449 TVP5150_FULL_FIELD_ENA,0x00
450 },
451 { /* 0xd0 */
452 TVP5150_LINE_MODE_INI,0x00
453 },
454 { /* 0xfc */
455 TVP5150_FULL_FIELD_MODE_REG,0x7f
456 },
457 { /* end of data */
458 0xff,0xff
459 }
460 };
461
462 /* Default values as sugested at TVP5150AM1 datasheet */
463 static const struct i2c_reg_value tvp5150_init_enable[] = {
464 {
465 TVP5150_CONF_SHARED_PIN, 2
466 },{ /* Automatic offset and AGC enabled */
467 TVP5150_ANAL_CHL_CTL, 0x15
468 },{ /* Activate YCrCb output 0x9 or 0xd ? */
469 TVP5150_MISC_CTL, 0x6f
470 },{ /* Activates video std autodetection for all standards */
471 TVP5150_AUTOSW_MSK, 0x0
472 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
473 TVP5150_DATA_RATE_SEL, 0x47
474 },{
475 TVP5150_CHROMA_PROC_CTL_1, 0x0c
476 },{
477 TVP5150_CHROMA_PROC_CTL_2, 0x54
478 },{ /* Non documented, but initialized on WinTV USB2 */
479 0x27, 0x20
480 },{
481 0xff,0xff
482 }
483 };
484
485 struct tvp5150_vbi_type {
486 unsigned int vbi_type;
487 unsigned int ini_line;
488 unsigned int end_line;
489 unsigned int by_field :1;
490 };
491
492 struct i2c_vbi_ram_value {
493 u16 reg;
494 struct tvp5150_vbi_type type;
495 unsigned char values[16];
496 };
497
498 /* This struct have the values for each supported VBI Standard
499 * by
500 tvp5150_vbi_types should follow the same order as vbi_ram_default
501 * value 0 means rom position 0x10, value 1 means rom position 0x30
502 * and so on. There are 16 possible locations from 0 to 15.
503 */
504
505 static struct i2c_vbi_ram_value vbi_ram_default[] =
506 {
507 /* FIXME: Current api doesn't handle all VBI types, those not
508 yet supported are placed under #if 0 */
509 #if 0
510 {0x010, /* Teletext, SECAM, WST System A */
511 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
512 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
513 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
514 },
515 #endif
516 {0x030, /* Teletext, PAL, WST System B */
517 {V4L2_SLICED_TELETEXT_B,6,22,1},
518 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
519 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
520 },
521 #if 0
522 {0x050, /* Teletext, PAL, WST System C */
523 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
524 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
525 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
526 },
527 {0x070, /* Teletext, NTSC, WST System B */
528 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
529 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
530 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
531 },
532 {0x090, /* Tetetext, NTSC NABTS System C */
533 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
534 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
535 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
536 },
537 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
538 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
539 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
540 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
541 },
542 {0x0d0, /* Closed Caption, PAL/SECAM */
543 {V4L2_SLICED_CAPTION_625,22,22,1},
544 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
545 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
546 },
547 #endif
548 {0x0f0, /* Closed Caption, NTSC */
549 {V4L2_SLICED_CAPTION_525,21,21,1},
550 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
551 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
552 },
553 {0x110, /* Wide Screen Signal, PAL/SECAM */
554 {V4L2_SLICED_WSS_625,23,23,1},
555 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
556 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
557 },
558 #if 0
559 {0x130, /* Wide Screen Signal, NTSC C */
560 {V4L2_SLICED_WSS_525,20,20,1},
561 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
562 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
563 },
564 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
565 {V4l2_SLICED_VITC_625,6,22,0},
566 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
567 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
568 },
569 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
570 {V4l2_SLICED_VITC_525,10,20,0},
571 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
572 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
573 },
574 #endif
575 {0x190, /* Video Program System (VPS), PAL */
576 {V4L2_SLICED_VPS,16,16,0},
577 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
578 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
579 },
580 /* 0x1d0 User programmable */
581
582 /* End of struct */
583 { (u16)-1 }
584 };
585
586 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
587 const struct i2c_reg_value *regs)
588 {
589 while (regs->reg != 0xff) {
590 tvp5150_write(sd, regs->reg, regs->value);
591 regs++;
592 }
593 return 0;
594 }
595
596 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
597 const struct i2c_vbi_ram_value *regs)
598 {
599 unsigned int i;
600
601 /* Disable Full Field */
602 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
603
604 /* Before programming, Line mode should be at 0xff */
605 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
606 tvp5150_write(sd, i, 0xff);
607
608 /* Load Ram Table */
609 while (regs->reg != (u16)-1) {
610 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
611 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
612
613 for (i = 0; i < 16; i++)
614 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
615
616 regs++;
617 }
618 return 0;
619 }
620
621 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
622 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
623 struct v4l2_sliced_vbi_cap *cap)
624 {
625 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
626 int line;
627
628 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
629 memset(cap, 0, sizeof *cap);
630
631 while (regs->reg != (u16)-1 ) {
632 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
633 cap->service_lines[0][line] |= regs->type.vbi_type;
634 }
635 cap->service_set |= regs->type.vbi_type;
636
637 regs++;
638 }
639 return 0;
640 }
641
642 /* Set vbi processing
643 * type - one of tvp5150_vbi_types
644 * line - line to gather data
645 * fields: bit 0 field1, bit 1, field2
646 * flags (default=0xf0) is a bitmask, were set means:
647 * bit 7: enable filtering null bytes on CC
648 * bit 6: send data also to FIFO
649 * bit 5: don't allow data with errors on FIFO
650 * bit 4: enable ECC when possible
651 * pix_align = pix alignment:
652 * LSB = field1
653 * MSB = field2
654 */
655 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
656 const struct i2c_vbi_ram_value *regs,
657 unsigned int type,u8 flags, int line,
658 const int fields)
659 {
660 struct tvp5150 *decoder = to_tvp5150(sd);
661 v4l2_std_id std = decoder->norm;
662 u8 reg;
663 int pos=0;
664
665 if (std == V4L2_STD_ALL) {
666 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
667 return 0;
668 } else if (std & V4L2_STD_625_50) {
669 /* Don't follow NTSC Line number convension */
670 line += 3;
671 }
672
673 if (line<6||line>27)
674 return 0;
675
676 while (regs->reg != (u16)-1 ) {
677 if ((type & regs->type.vbi_type) &&
678 (line>=regs->type.ini_line) &&
679 (line<=regs->type.end_line)) {
680 type=regs->type.vbi_type;
681 break;
682 }
683
684 regs++;
685 pos++;
686 }
687 if (regs->reg == (u16)-1)
688 return 0;
689
690 type=pos | (flags & 0xf0);
691 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
692
693 if (fields&1) {
694 tvp5150_write(sd, reg, type);
695 }
696
697 if (fields&2) {
698 tvp5150_write(sd, reg+1, type);
699 }
700
701 return type;
702 }
703
704 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
705 const struct i2c_vbi_ram_value *regs, int line)
706 {
707 struct tvp5150 *decoder = to_tvp5150(sd);
708 v4l2_std_id std = decoder->norm;
709 u8 reg;
710 int pos, type = 0;
711
712 if (std == V4L2_STD_ALL) {
713 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
714 return 0;
715 } else if (std & V4L2_STD_625_50) {
716 /* Don't follow NTSC Line number convension */
717 line += 3;
718 }
719
720 if (line < 6 || line > 27)
721 return 0;
722
723 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
724
725 pos = tvp5150_read(sd, reg) & 0x0f;
726 if (pos < 0x0f)
727 type = regs[pos].type.vbi_type;
728
729 pos = tvp5150_read(sd, reg + 1) & 0x0f;
730 if (pos < 0x0f)
731 type |= regs[pos].type.vbi_type;
732
733 return type;
734 }
735
736 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
737 {
738 struct tvp5150 *decoder = to_tvp5150(sd);
739 int fmt = 0;
740
741 decoder->norm = std;
742
743 /* First tests should be against specific std */
744
745 if (std == V4L2_STD_ALL) {
746 fmt = 0; /* Autodetect mode */
747 } else if (std & V4L2_STD_NTSC_443) {
748 fmt = 0xa;
749 } else if (std & V4L2_STD_PAL_M) {
750 fmt = 0x6;
751 } else if (std & (V4L2_STD_PAL_N | V4L2_STD_PAL_Nc)) {
752 fmt = 0x8;
753 } else {
754 /* Then, test against generic ones */
755 if (std & V4L2_STD_NTSC)
756 fmt = 0x2;
757 else if (std & V4L2_STD_PAL)
758 fmt = 0x4;
759 else if (std & V4L2_STD_SECAM)
760 fmt = 0xc;
761 }
762
763 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
764 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
765 return 0;
766 }
767
768 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
769 {
770 struct tvp5150 *decoder = to_tvp5150(sd);
771
772 if (decoder->norm == std)
773 return 0;
774
775 return tvp5150_set_std(sd, std);
776 }
777
778 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
779 {
780 struct tvp5150 *decoder = to_tvp5150(sd);
781 u8 msb_id, lsb_id, msb_rom, lsb_rom;
782
783 msb_id = tvp5150_read(sd, TVP5150_MSB_DEV_ID);
784 lsb_id = tvp5150_read(sd, TVP5150_LSB_DEV_ID);
785 msb_rom = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER);
786 lsb_rom = tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
787
788 if (msb_rom == 4 && lsb_rom == 0) { /* Is TVP5150AM1 */
789 v4l2_info(sd, "tvp%02x%02xam1 detected.\n", msb_id, lsb_id);
790
791 /* ITU-T BT.656.4 timing */
792 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
793 } else {
794 if (msb_rom == 3 || lsb_rom == 0x21) { /* Is TVP5150A */
795 v4l2_info(sd, "tvp%02x%02xa detected.\n", msb_id, lsb_id);
796 } else {
797 v4l2_info(sd, "*** unknown tvp%02x%02x chip detected.\n",
798 msb_id, lsb_id);
799 v4l2_info(sd, "*** Rom ver is %d.%d\n", msb_rom, lsb_rom);
800 }
801 }
802
803 /* Initializes TVP5150 to its default values */
804 tvp5150_write_inittab(sd, tvp5150_init_default);
805
806 /* Initializes VDP registers */
807 tvp5150_vdp_init(sd, vbi_ram_default);
808
809 /* Selects decoder input */
810 tvp5150_selmux(sd);
811
812 /* Initializes TVP5150 to stream enabled values */
813 tvp5150_write_inittab(sd, tvp5150_init_enable);
814
815 /* Initialize image preferences */
816 tvp5150_write(sd, TVP5150_BRIGHT_CTL, decoder->bright);
817 tvp5150_write(sd, TVP5150_CONTRAST_CTL, decoder->contrast);
818 tvp5150_write(sd, TVP5150_SATURATION_CTL, decoder->contrast);
819 tvp5150_write(sd, TVP5150_HUE_CTL, decoder->hue);
820
821 tvp5150_set_std(sd, decoder->norm);
822 return 0;
823 };
824
825 static int tvp5150_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
826 {
827 v4l2_dbg(1, debug, sd, "g_ctrl called\n");
828
829 switch (ctrl->id) {
830 case V4L2_CID_BRIGHTNESS:
831 ctrl->value = tvp5150_read(sd, TVP5150_BRIGHT_CTL);
832 return 0;
833 case V4L2_CID_CONTRAST:
834 ctrl->value = tvp5150_read(sd, TVP5150_CONTRAST_CTL);
835 return 0;
836 case V4L2_CID_SATURATION:
837 ctrl->value = tvp5150_read(sd, TVP5150_SATURATION_CTL);
838 return 0;
839 case V4L2_CID_HUE:
840 ctrl->value = tvp5150_read(sd, TVP5150_HUE_CTL);
841 return 0;
842 }
843 return -EINVAL;
844 }
845
846 static int tvp5150_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
847 {
848 u8 i, n;
849 n = ARRAY_SIZE(tvp5150_qctrl);
850
851 for (i = 0; i < n; i++) {
852 if (ctrl->id != tvp5150_qctrl[i].id)
853 continue;
854 if (ctrl->value < tvp5150_qctrl[i].minimum ||
855 ctrl->value > tvp5150_qctrl[i].maximum)
856 return -ERANGE;
857 v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n",
858 ctrl->id, ctrl->value);
859 break;
860 }
861
862 switch (ctrl->id) {
863 case V4L2_CID_BRIGHTNESS:
864 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->value);
865 return 0;
866 case V4L2_CID_CONTRAST:
867 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->value);
868 return 0;
869 case V4L2_CID_SATURATION:
870 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->value);
871 return 0;
872 case V4L2_CID_HUE:
873 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->value);
874 return 0;
875 }
876 return -EINVAL;
877 }
878
879 /****************************************************************************
880 I2C Command
881 ****************************************************************************/
882
883 static int tvp5150_s_routing(struct v4l2_subdev *sd,
884 u32 input, u32 output, u32 config)
885 {
886 struct tvp5150 *decoder = to_tvp5150(sd);
887
888 decoder->input = input;
889 decoder->output = output;
890 tvp5150_selmux(sd);
891 return 0;
892 }
893
894 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
895 {
896 /* this is for capturing 36 raw vbi lines
897 if there's a way to cut off the beginning 2 vbi lines
898 with the tvp5150 then the vbi line count could be lowered
899 to 17 lines/field again, although I couldn't find a register
900 which could do that cropping */
901 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
902 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
903 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
904 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
905 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
906 }
907 return 0;
908 }
909
910 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
911 {
912 int i;
913
914 if (svbi->service_set != 0) {
915 for (i = 0; i <= 23; i++) {
916 svbi->service_lines[1][i] = 0;
917 svbi->service_lines[0][i] =
918 tvp5150_set_vbi(sd, vbi_ram_default,
919 svbi->service_lines[0][i], 0xf0, i, 3);
920 }
921 /* Enables FIFO */
922 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
923 } else {
924 /* Disables FIFO*/
925 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
926
927 /* Disable Full Field */
928 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
929
930 /* Disable Line modes */
931 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
932 tvp5150_write(sd, i, 0xff);
933 }
934 return 0;
935 }
936
937 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
938 {
939 int i, mask = 0;
940
941 memset(svbi, 0, sizeof(*svbi));
942
943 for (i = 0; i <= 23; i++) {
944 svbi->service_lines[0][i] =
945 tvp5150_get_vbi(sd, vbi_ram_default, i);
946 mask |= svbi->service_lines[0][i];
947 }
948 svbi->service_set = mask;
949 return 0;
950 }
951
952 static int tvp5150_g_chip_ident(struct v4l2_subdev *sd,
953 struct v4l2_dbg_chip_ident *chip)
954 {
955 int rev;
956 struct i2c_client *client = v4l2_get_subdevdata(sd);
957
958 rev = tvp5150_read(sd, TVP5150_ROM_MAJOR_VER) << 8 |
959 tvp5150_read(sd, TVP5150_ROM_MINOR_VER);
960
961 return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_TVP5150,
962 rev);
963 }
964
965
966 #ifdef CONFIG_VIDEO_ADV_DEBUG
967 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
968 {
969 struct i2c_client *client = v4l2_get_subdevdata(sd);
970
971 if (!v4l2_chip_match_i2c_client(client, &reg->match))
972 return -EINVAL;
973 if (!capable(CAP_SYS_ADMIN))
974 return -EPERM;
975 reg->val = tvp5150_read(sd, reg->reg & 0xff);
976 reg->size = 1;
977 return 0;
978 }
979
980 static int tvp5150_s_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
981 {
982 struct i2c_client *client = v4l2_get_subdevdata(sd);
983
984 if (!v4l2_chip_match_i2c_client(client, &reg->match))
985 return -EINVAL;
986 if (!capable(CAP_SYS_ADMIN))
987 return -EPERM;
988 tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
989 return 0;
990 }
991 #endif
992
993 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
994 {
995 int status = tvp5150_read(sd, 0x88);
996
997 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
998 return 0;
999 }
1000
1001 static int tvp5150_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
1002 {
1003 int i;
1004
1005 v4l2_dbg(1, debug, sd, "queryctrl called\n");
1006
1007 for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
1008 if (qc->id && qc->id == tvp5150_qctrl[i].id) {
1009 memcpy(qc, &(tvp5150_qctrl[i]),
1010 sizeof(*qc));
1011 return 0;
1012 }
1013
1014 return -EINVAL;
1015 }
1016
1017 /* ----------------------------------------------------------------------- */
1018
1019 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1020 .log_status = tvp5150_log_status,
1021 .g_ctrl = tvp5150_g_ctrl,
1022 .s_ctrl = tvp5150_s_ctrl,
1023 .queryctrl = tvp5150_queryctrl,
1024 .s_std = tvp5150_s_std,
1025 .reset = tvp5150_reset,
1026 .g_chip_ident = tvp5150_g_chip_ident,
1027 #ifdef CONFIG_VIDEO_ADV_DEBUG
1028 .g_register = tvp5150_g_register,
1029 .s_register = tvp5150_s_register,
1030 #endif
1031 };
1032
1033 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1034 .g_tuner = tvp5150_g_tuner,
1035 };
1036
1037 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1038 .s_routing = tvp5150_s_routing,
1039 };
1040
1041 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1042 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1043 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1044 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1045 .s_raw_fmt = tvp5150_s_raw_fmt,
1046 };
1047
1048 static const struct v4l2_subdev_ops tvp5150_ops = {
1049 .core = &tvp5150_core_ops,
1050 .tuner = &tvp5150_tuner_ops,
1051 .video = &tvp5150_video_ops,
1052 .vbi = &tvp5150_vbi_ops,
1053 };
1054
1055
1056 /****************************************************************************
1057 I2C Client & Driver
1058 ****************************************************************************/
1059
1060 static int tvp5150_probe(struct i2c_client *c,
1061 const struct i2c_device_id *id)
1062 {
1063 struct tvp5150 *core;
1064 struct v4l2_subdev *sd;
1065
1066 /* Check if the adapter supports the needed features */
1067 if (!i2c_check_functionality(c->adapter,
1068 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1069 return -EIO;
1070
1071 core = kzalloc(sizeof(struct tvp5150), GFP_KERNEL);
1072 if (!core) {
1073 return -ENOMEM;
1074 }
1075 sd = &core->sd;
1076 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1077 v4l_info(c, "chip found @ 0x%02x (%s)\n",
1078 c->addr << 1, c->adapter->name);
1079
1080 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1081 core->input = TVP5150_COMPOSITE1;
1082 core->enable = 1;
1083 core->bright = 128;
1084 core->contrast = 128;
1085 core->hue = 0;
1086 core->sat = 128;
1087
1088 if (debug > 1)
1089 tvp5150_log_status(sd);
1090 return 0;
1091 }
1092
1093 static int tvp5150_remove(struct i2c_client *c)
1094 {
1095 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1096
1097 v4l2_dbg(1, debug, sd,
1098 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1099 c->addr << 1);
1100
1101 v4l2_device_unregister_subdev(sd);
1102 kfree(to_tvp5150(sd));
1103 return 0;
1104 }
1105
1106 /* ----------------------------------------------------------------------- */
1107
1108 static const struct i2c_device_id tvp5150_id[] = {
1109 { "tvp5150", 0 },
1110 { }
1111 };
1112 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1113
1114 static struct v4l2_i2c_driver_data v4l2_i2c_data = {
1115 .name = "tvp5150",
1116 .probe = tvp5150_probe,
1117 .remove = tvp5150_remove,
1118 .id_table = tvp5150_id,
1119 };
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree