?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
sh_eth: R8A7740 supports packet shecksumming
[linux/fpc-iii.git] / drivers / media / i2c / tvp5150.c
blob3a0fe8cc64e94c5199730e00a6ce0e6fcb41ffb2
1 /*
2 * tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 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 <dt-bindings/media/tvp5150.h>
9 #include <linux/i2c.h>
10 #include <linux/slab.h>
11 #include <linux/videodev2.h>
12 #include <linux/delay.h>
13 #include <linux/gpio/consumer.h>
14 #include <linux/module.h>
15 #include <media/v4l2-async.h>
16 #include <media/v4l2-device.h>
17 #include <media/v4l2-ctrls.h>
18 #include <media/v4l2-of.h>
19 #include <media/v4l2-mc.h>
20
21 #include "tvp5150_reg.h"
22
23 #define TVP5150_H_MAX 720U
24 #define TVP5150_V_MAX_525_60 480U
25 #define TVP5150_V_MAX_OTHERS 576U
26 #define TVP5150_MAX_CROP_LEFT 511
27 #define TVP5150_MAX_CROP_TOP 127
28 #define TVP5150_CROP_SHIFT 2
29
30 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
31 MODULE_AUTHOR("Mauro Carvalho Chehab");
32 MODULE_LICENSE("GPL");
33
34
35 static int debug;
36 module_param(debug, int, 0644);
37 MODULE_PARM_DESC(debug, "Debug level (0-2)");
38
39 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
40
41 struct tvp5150 {
42 struct v4l2_subdev sd;
43 #ifdef CONFIG_MEDIA_CONTROLLER
44 struct media_pad pads[DEMOD_NUM_PADS];
45 struct media_entity input_ent[TVP5150_INPUT_NUM];
46 struct media_pad input_pad[TVP5150_INPUT_NUM];
47 #endif
48 struct v4l2_ctrl_handler hdl;
49 struct v4l2_rect rect;
50
51 v4l2_std_id norm; /* Current set standard */
52 u32 input;
53 u32 output;
54 int enable;
55
56 u16 dev_id;
57 u16 rom_ver;
58
59 enum v4l2_mbus_type mbus_type;
60 };
61
62 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
63 {
64 return container_of(sd, struct tvp5150, sd);
65 }
66
67 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
68 {
69 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
70 }
71
72 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
73 {
74 struct i2c_client *c = v4l2_get_subdevdata(sd);
75 int rc;
76
77 rc = i2c_smbus_read_byte_data(c, addr);
78 if (rc < 0) {
79 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
80 return rc;
81 }
82
83 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
84
85 return rc;
86 }
87
88 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
89 unsigned char value)
90 {
91 struct i2c_client *c = v4l2_get_subdevdata(sd);
92 int rc;
93
94 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
95 rc = i2c_smbus_write_byte_data(c, addr, value);
96 if (rc < 0)
97 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
98
99 return rc;
100 }
101
102 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
103 const u8 end, int max_line)
104 {
105 u8 buf[16];
106 int i = 0, j, len;
107
108 if (max_line > 16) {
109 dprintk0(sd->dev, "too much data to dump\n");
110 return;
111 }
112
113 for (i = init; i < end; i += max_line) {
114 len = (end - i > max_line) ? max_line : end - i;
115
116 for (j = 0; j < len; j++)
117 buf[j] = tvp5150_read(sd, i + j);
118
119 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
120 }
121 }
122
123 static int tvp5150_log_status(struct v4l2_subdev *sd)
124 {
125 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
126 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
127 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
128 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
129 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
130 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
131 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
132 tvp5150_read(sd, TVP5150_MISC_CTL));
133 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
134 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
135 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
136 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
137 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
138 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
141 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
142 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
143 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
144 tvp5150_read(sd, TVP5150_SATURATION_CTL));
145 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
146 tvp5150_read(sd, TVP5150_HUE_CTL));
147 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
148 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
149 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
150 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
151 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
152 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
153 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
156 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",
157 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
159 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
160 tvp5150_read(sd, TVP5150_GENLOCK));
161 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
163 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
164 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
165 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
166 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
167 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
168 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
170 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
171 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
172 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
173 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
174 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
175 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
176 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
177 tvp5150_read(sd, TVP5150_VIDEO_STD));
178 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
179 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
180 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
181 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
182 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
183 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
184 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
185 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
186 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
187 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
188 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
189 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
190 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
191 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
192 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
193 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
194 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
196 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
197 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
198 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
199 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
200 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
201 tvp5150_read(sd, TVP5150_STATUS_REG_1),
202 tvp5150_read(sd, TVP5150_STATUS_REG_2),
203 tvp5150_read(sd, TVP5150_STATUS_REG_3),
204 tvp5150_read(sd, TVP5150_STATUS_REG_4),
205 tvp5150_read(sd, TVP5150_STATUS_REG_5));
206
207 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
208 TVP5150_TELETEXT_FIL1_END, 8);
209 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
210 TVP5150_TELETEXT_FIL2_END, 8);
211
212 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
213 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
214 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
216 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
217 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
218 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
219 tvp5150_read(sd, TVP5150_INT_CONF));
220 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
221 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
222 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
223 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
224 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
225 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
226 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
227 tvp5150_read(sd, TVP5150_FIFO_RESET));
228 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
229 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
230 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
231 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
233 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
234 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
235 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
236 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
237 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
238 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
239
240 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
241 TVP5150_CC_DATA_END, 8);
242
243 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
244 TVP5150_WSS_DATA_END, 8);
245
246 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
247 TVP5150_VPS_DATA_END, 8);
248
249 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
250 TVP5150_VITC_DATA_END, 10);
251
252 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
253 TVP5150_LINE_MODE_END, 8);
254 return 0;
255 }
256
257 /****************************************************************************
258 Basic functions
259 ****************************************************************************/
260
261 static void tvp5150_selmux(struct v4l2_subdev *sd)
262 {
263 int opmode = 0;
264 struct tvp5150 *decoder = to_tvp5150(sd);
265 int input = 0;
266 int val;
267
268 /* Only tvp5150am1 and tvp5151 have signal generator support */
269 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
270 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
271 if (!decoder->enable)
272 input = 8;
273 }
274
275 switch (decoder->input) {
276 case TVP5150_COMPOSITE1:
277 input |= 2;
278 /* fall through */
279 case TVP5150_COMPOSITE0:
280 break;
281 case TVP5150_SVIDEO:
282 default:
283 input |= 1;
284 break;
285 }
286
287 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
288 decoder->input, decoder->output,
289 input, opmode);
290
291 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
292 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
293
294 /* Svideo should enable YCrCb output and disable GPCL output
295 * For Composite and TV, it should be the reverse
296 */
297 val = tvp5150_read(sd, TVP5150_MISC_CTL);
298 if (val < 0) {
299 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
300 return;
301 }
302
303 if (decoder->input == TVP5150_SVIDEO)
304 val = (val & ~0x40) | 0x10;
305 else
306 val = (val & ~0x10) | 0x40;
307 tvp5150_write(sd, TVP5150_MISC_CTL, val);
308 };
309
310 struct i2c_reg_value {
311 unsigned char reg;
312 unsigned char value;
313 };
314
315 /* Default values as sugested at TVP5150AM1 datasheet */
316 static const struct i2c_reg_value tvp5150_init_default[] = {
317 { /* 0x00 */
318 TVP5150_VD_IN_SRC_SEL_1,0x00
319 },
320 { /* 0x01 */
321 TVP5150_ANAL_CHL_CTL,0x15
322 },
323 { /* 0x02 */
324 TVP5150_OP_MODE_CTL,0x00
325 },
326 { /* 0x03 */
327 TVP5150_MISC_CTL,0x01
328 },
329 { /* 0x06 */
330 TVP5150_COLOR_KIL_THSH_CTL,0x10
331 },
332 { /* 0x07 */
333 TVP5150_LUMA_PROC_CTL_1,0x60
334 },
335 { /* 0x08 */
336 TVP5150_LUMA_PROC_CTL_2,0x00
337 },
338 { /* 0x09 */
339 TVP5150_BRIGHT_CTL,0x80
340 },
341 { /* 0x0a */
342 TVP5150_SATURATION_CTL,0x80
343 },
344 { /* 0x0b */
345 TVP5150_HUE_CTL,0x00
346 },
347 { /* 0x0c */
348 TVP5150_CONTRAST_CTL,0x80
349 },
350 { /* 0x0d */
351 TVP5150_DATA_RATE_SEL,0x47
352 },
353 { /* 0x0e */
354 TVP5150_LUMA_PROC_CTL_3,0x00
355 },
356 { /* 0x0f */
357 TVP5150_CONF_SHARED_PIN,0x08
358 },
359 { /* 0x11 */
360 TVP5150_ACT_VD_CROP_ST_MSB,0x00
361 },
362 { /* 0x12 */
363 TVP5150_ACT_VD_CROP_ST_LSB,0x00
364 },
365 { /* 0x13 */
366 TVP5150_ACT_VD_CROP_STP_MSB,0x00
367 },
368 { /* 0x14 */
369 TVP5150_ACT_VD_CROP_STP_LSB,0x00
370 },
371 { /* 0x15 */
372 TVP5150_GENLOCK,0x01
373 },
374 { /* 0x16 */
375 TVP5150_HORIZ_SYNC_START,0x80
376 },
377 { /* 0x18 */
378 TVP5150_VERT_BLANKING_START,0x00
379 },
380 { /* 0x19 */
381 TVP5150_VERT_BLANKING_STOP,0x00
382 },
383 { /* 0x1a */
384 TVP5150_CHROMA_PROC_CTL_1,0x0c
385 },
386 { /* 0x1b */
387 TVP5150_CHROMA_PROC_CTL_2,0x14
388 },
389 { /* 0x1c */
390 TVP5150_INT_RESET_REG_B,0x00
391 },
392 { /* 0x1d */
393 TVP5150_INT_ENABLE_REG_B,0x00
394 },
395 { /* 0x1e */
396 TVP5150_INTT_CONFIG_REG_B,0x00
397 },
398 { /* 0x28 */
399 TVP5150_VIDEO_STD,0x00
400 },
401 { /* 0x2e */
402 TVP5150_MACROVISION_ON_CTR,0x0f
403 },
404 { /* 0x2f */
405 TVP5150_MACROVISION_OFF_CTR,0x01
406 },
407 { /* 0xbb */
408 TVP5150_TELETEXT_FIL_ENA,0x00
409 },
410 { /* 0xc0 */
411 TVP5150_INT_STATUS_REG_A,0x00
412 },
413 { /* 0xc1 */
414 TVP5150_INT_ENABLE_REG_A,0x00
415 },
416 { /* 0xc2 */
417 TVP5150_INT_CONF,0x04
418 },
419 { /* 0xc8 */
420 TVP5150_FIFO_INT_THRESHOLD,0x80
421 },
422 { /* 0xc9 */
423 TVP5150_FIFO_RESET,0x00
424 },
425 { /* 0xca */
426 TVP5150_LINE_NUMBER_INT,0x00
427 },
428 { /* 0xcb */
429 TVP5150_PIX_ALIGN_REG_LOW,0x4e
430 },
431 { /* 0xcc */
432 TVP5150_PIX_ALIGN_REG_HIGH,0x00
433 },
434 { /* 0xcd */
435 TVP5150_FIFO_OUT_CTRL,0x01
436 },
437 { /* 0xcf */
438 TVP5150_FULL_FIELD_ENA,0x00
439 },
440 { /* 0xd0 */
441 TVP5150_LINE_MODE_INI,0x00
442 },
443 { /* 0xfc */
444 TVP5150_FULL_FIELD_MODE_REG,0x7f
445 },
446 { /* end of data */
447 0xff,0xff
448 }
449 };
450
451 /* Default values as sugested at TVP5150AM1 datasheet */
452 static const struct i2c_reg_value tvp5150_init_enable[] = {
453 {
454 TVP5150_CONF_SHARED_PIN, 2
455 },{ /* Automatic offset and AGC enabled */
456 TVP5150_ANAL_CHL_CTL, 0x15
457 },{ /* Activate YCrCb output 0x9 or 0xd ? */
458 TVP5150_MISC_CTL, 0x6f
459 },{ /* Activates video std autodetection for all standards */
460 TVP5150_AUTOSW_MSK, 0x0
461 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
462 TVP5150_DATA_RATE_SEL, 0x47
463 },{
464 TVP5150_CHROMA_PROC_CTL_1, 0x0c
465 },{
466 TVP5150_CHROMA_PROC_CTL_2, 0x54
467 },{ /* Non documented, but initialized on WinTV USB2 */
468 0x27, 0x20
469 },{
470 0xff,0xff
471 }
472 };
473
474 struct tvp5150_vbi_type {
475 unsigned int vbi_type;
476 unsigned int ini_line;
477 unsigned int end_line;
478 unsigned int by_field :1;
479 };
480
481 struct i2c_vbi_ram_value {
482 u16 reg;
483 struct tvp5150_vbi_type type;
484 unsigned char values[16];
485 };
486
487 /* This struct have the values for each supported VBI Standard
488 * by
489 tvp5150_vbi_types should follow the same order as vbi_ram_default
490 * value 0 means rom position 0x10, value 1 means rom position 0x30
491 * and so on. There are 16 possible locations from 0 to 15.
492 */
493
494 static struct i2c_vbi_ram_value vbi_ram_default[] =
495 {
496 /* FIXME: Current api doesn't handle all VBI types, those not
497 yet supported are placed under #if 0 */
498 #if 0
499 {0x010, /* Teletext, SECAM, WST System A */
500 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
501 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
502 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
503 },
504 #endif
505 {0x030, /* Teletext, PAL, WST System B */
506 {V4L2_SLICED_TELETEXT_B,6,22,1},
507 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
508 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
509 },
510 #if 0
511 {0x050, /* Teletext, PAL, WST System C */
512 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
513 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
514 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
515 },
516 {0x070, /* Teletext, NTSC, WST System B */
517 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
518 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
519 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
520 },
521 {0x090, /* Tetetext, NTSC NABTS System C */
522 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
523 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
524 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
525 },
526 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
527 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
528 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
529 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
530 },
531 {0x0d0, /* Closed Caption, PAL/SECAM */
532 {V4L2_SLICED_CAPTION_625,22,22,1},
533 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
534 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
535 },
536 #endif
537 {0x0f0, /* Closed Caption, NTSC */
538 {V4L2_SLICED_CAPTION_525,21,21,1},
539 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
540 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
541 },
542 {0x110, /* Wide Screen Signal, PAL/SECAM */
543 {V4L2_SLICED_WSS_625,23,23,1},
544 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
545 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
546 },
547 #if 0
548 {0x130, /* Wide Screen Signal, NTSC C */
549 {V4L2_SLICED_WSS_525,20,20,1},
550 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
551 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
552 },
553 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
554 {V4l2_SLICED_VITC_625,6,22,0},
555 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
556 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
557 },
558 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
559 {V4l2_SLICED_VITC_525,10,20,0},
560 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
561 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
562 },
563 #endif
564 {0x190, /* Video Program System (VPS), PAL */
565 {V4L2_SLICED_VPS,16,16,0},
566 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
567 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
568 },
569 /* 0x1d0 User programmable */
570
571 /* End of struct */
572 { (u16)-1 }
573 };
574
575 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
576 const struct i2c_reg_value *regs)
577 {
578 while (regs->reg != 0xff) {
579 tvp5150_write(sd, regs->reg, regs->value);
580 regs++;
581 }
582 return 0;
583 }
584
585 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
586 const struct i2c_vbi_ram_value *regs)
587 {
588 unsigned int i;
589
590 /* Disable Full Field */
591 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
592
593 /* Before programming, Line mode should be at 0xff */
594 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
595 tvp5150_write(sd, i, 0xff);
596
597 /* Load Ram Table */
598 while (regs->reg != (u16)-1) {
599 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
600 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
601
602 for (i = 0; i < 16; i++)
603 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
604
605 regs++;
606 }
607 return 0;
608 }
609
610 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
611 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
612 struct v4l2_sliced_vbi_cap *cap)
613 {
614 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
615 int line;
616
617 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
618 memset(cap, 0, sizeof *cap);
619
620 while (regs->reg != (u16)-1 ) {
621 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
622 cap->service_lines[0][line] |= regs->type.vbi_type;
623 }
624 cap->service_set |= regs->type.vbi_type;
625
626 regs++;
627 }
628 return 0;
629 }
630
631 /* Set vbi processing
632 * type - one of tvp5150_vbi_types
633 * line - line to gather data
634 * fields: bit 0 field1, bit 1, field2
635 * flags (default=0xf0) is a bitmask, were set means:
636 * bit 7: enable filtering null bytes on CC
637 * bit 6: send data also to FIFO
638 * bit 5: don't allow data with errors on FIFO
639 * bit 4: enable ECC when possible
640 * pix_align = pix alignment:
641 * LSB = field1
642 * MSB = field2
643 */
644 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
645 const struct i2c_vbi_ram_value *regs,
646 unsigned int type,u8 flags, int line,
647 const int fields)
648 {
649 struct tvp5150 *decoder = to_tvp5150(sd);
650 v4l2_std_id std = decoder->norm;
651 u8 reg;
652 int pos=0;
653
654 if (std == V4L2_STD_ALL) {
655 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
656 return 0;
657 } else if (std & V4L2_STD_625_50) {
658 /* Don't follow NTSC Line number convension */
659 line += 3;
660 }
661
662 if (line<6||line>27)
663 return 0;
664
665 while (regs->reg != (u16)-1 ) {
666 if ((type & regs->type.vbi_type) &&
667 (line>=regs->type.ini_line) &&
668 (line<=regs->type.end_line)) {
669 type=regs->type.vbi_type;
670 break;
671 }
672
673 regs++;
674 pos++;
675 }
676 if (regs->reg == (u16)-1)
677 return 0;
678
679 type=pos | (flags & 0xf0);
680 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
681
682 if (fields&1) {
683 tvp5150_write(sd, reg, type);
684 }
685
686 if (fields&2) {
687 tvp5150_write(sd, reg+1, type);
688 }
689
690 return type;
691 }
692
693 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
694 const struct i2c_vbi_ram_value *regs, int line)
695 {
696 struct tvp5150 *decoder = to_tvp5150(sd);
697 v4l2_std_id std = decoder->norm;
698 u8 reg;
699 int pos, type = 0;
700 int i, ret = 0;
701
702 if (std == V4L2_STD_ALL) {
703 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
704 return 0;
705 } else if (std & V4L2_STD_625_50) {
706 /* Don't follow NTSC Line number convension */
707 line += 3;
708 }
709
710 if (line < 6 || line > 27)
711 return 0;
712
713 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
714
715 for (i = 0; i <= 1; i++) {
716 ret = tvp5150_read(sd, reg + i);
717 if (ret < 0) {
718 dev_err(sd->dev, "%s: failed with error = %d\n",
719 __func__, ret);
720 return 0;
721 }
722 pos = ret & 0x0f;
723 if (pos < 0x0f)
724 type |= regs[pos].type.vbi_type;
725 }
726
727 return type;
728 }
729
730 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
731 {
732 struct tvp5150 *decoder = to_tvp5150(sd);
733 int fmt = 0;
734
735 decoder->norm = std;
736
737 /* First tests should be against specific std */
738
739 if (std == V4L2_STD_NTSC_443) {
740 fmt = VIDEO_STD_NTSC_4_43_BIT;
741 } else if (std == V4L2_STD_PAL_M) {
742 fmt = VIDEO_STD_PAL_M_BIT;
743 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
744 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
745 } else {
746 /* Then, test against generic ones */
747 if (std & V4L2_STD_NTSC)
748 fmt = VIDEO_STD_NTSC_MJ_BIT;
749 else if (std & V4L2_STD_PAL)
750 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
751 else if (std & V4L2_STD_SECAM)
752 fmt = VIDEO_STD_SECAM_BIT;
753 }
754
755 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
756 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
757 return 0;
758 }
759
760 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
761 {
762 struct tvp5150 *decoder = to_tvp5150(sd);
763
764 if (decoder->norm == std)
765 return 0;
766
767 /* Change cropping height limits */
768 if (std & V4L2_STD_525_60)
769 decoder->rect.height = TVP5150_V_MAX_525_60;
770 else
771 decoder->rect.height = TVP5150_V_MAX_OTHERS;
772
773
774 return tvp5150_set_std(sd, std);
775 }
776
777 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
778 {
779 struct tvp5150 *decoder = to_tvp5150(sd);
780
781 /* Initializes TVP5150 to its default values */
782 tvp5150_write_inittab(sd, tvp5150_init_default);
783
784 /* Initializes VDP registers */
785 tvp5150_vdp_init(sd, vbi_ram_default);
786
787 /* Selects decoder input */
788 tvp5150_selmux(sd);
789
790 /* Initializes TVP5150 to stream enabled values */
791 tvp5150_write_inittab(sd, tvp5150_init_enable);
792
793 /* Initialize image preferences */
794 v4l2_ctrl_handler_setup(&decoder->hdl);
795
796 tvp5150_set_std(sd, decoder->norm);
797
798 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
799 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
800
801 return 0;
802 };
803
804 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
805 {
806 struct v4l2_subdev *sd = to_sd(ctrl);
807 struct tvp5150 *decoder = to_tvp5150(sd);
808
809 switch (ctrl->id) {
810 case V4L2_CID_BRIGHTNESS:
811 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
812 return 0;
813 case V4L2_CID_CONTRAST:
814 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
815 return 0;
816 case V4L2_CID_SATURATION:
817 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
818 return 0;
819 case V4L2_CID_HUE:
820 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
821 break;
822 case V4L2_CID_TEST_PATTERN:
823 decoder->enable = ctrl->val ? false : true;
824 tvp5150_selmux(sd);
825 return 0;
826 }
827 return -EINVAL;
828 }
829
830 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
831 {
832 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
833
834 switch (val & 0x0F) {
835 case 0x01:
836 return V4L2_STD_NTSC;
837 case 0x03:
838 return V4L2_STD_PAL;
839 case 0x05:
840 return V4L2_STD_PAL_M;
841 case 0x07:
842 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
843 case 0x09:
844 return V4L2_STD_NTSC_443;
845 case 0xb:
846 return V4L2_STD_SECAM;
847 default:
848 return V4L2_STD_UNKNOWN;
849 }
850 }
851
852 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
853 struct v4l2_subdev_pad_config *cfg,
854 struct v4l2_subdev_format *format)
855 {
856 struct v4l2_mbus_framefmt *f;
857 struct tvp5150 *decoder = to_tvp5150(sd);
858
859 if (!format || format->pad)
860 return -EINVAL;
861
862 f = &format->format;
863
864 tvp5150_reset(sd, 0);
865
866 f->width = decoder->rect.width;
867 f->height = decoder->rect.height / 2;
868
869 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
870 f->field = V4L2_FIELD_ALTERNATE;
871 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
872
873 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
874 f->height);
875 return 0;
876 }
877
878 static int tvp5150_set_selection(struct v4l2_subdev *sd,
879 struct v4l2_subdev_pad_config *cfg,
880 struct v4l2_subdev_selection *sel)
881 {
882 struct tvp5150 *decoder = to_tvp5150(sd);
883 struct v4l2_rect rect = sel->r;
884 v4l2_std_id std;
885 int hmax;
886
887 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
888 sel->target != V4L2_SEL_TGT_CROP)
889 return -EINVAL;
890
891 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
892 __func__, rect.left, rect.top, rect.width, rect.height);
893
894 /* tvp5150 has some special limits */
895 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
896 rect.width = clamp_t(unsigned int, rect.width,
897 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
898 TVP5150_H_MAX - rect.left);
899 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
900
901 /* Calculate height based on current standard */
902 if (decoder->norm == V4L2_STD_ALL)
903 std = tvp5150_read_std(sd);
904 else
905 std = decoder->norm;
906
907 if (std & V4L2_STD_525_60)
908 hmax = TVP5150_V_MAX_525_60;
909 else
910 hmax = TVP5150_V_MAX_OTHERS;
911
912 rect.height = clamp_t(unsigned int, rect.height,
913 hmax - TVP5150_MAX_CROP_TOP - rect.top,
914 hmax - rect.top);
915
916 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
917 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
918 rect.top + rect.height - hmax);
919 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
920 rect.left >> TVP5150_CROP_SHIFT);
921 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
922 rect.left | (1 << TVP5150_CROP_SHIFT));
923 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
924 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
925 TVP5150_CROP_SHIFT);
926 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
927 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
928
929 decoder->rect = rect;
930
931 return 0;
932 }
933
934 static int tvp5150_get_selection(struct v4l2_subdev *sd,
935 struct v4l2_subdev_pad_config *cfg,
936 struct v4l2_subdev_selection *sel)
937 {
938 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
939 v4l2_std_id std;
940
941 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
942 return -EINVAL;
943
944 switch (sel->target) {
945 case V4L2_SEL_TGT_CROP_BOUNDS:
946 case V4L2_SEL_TGT_CROP_DEFAULT:
947 sel->r.left = 0;
948 sel->r.top = 0;
949 sel->r.width = TVP5150_H_MAX;
950
951 /* Calculate height based on current standard */
952 if (decoder->norm == V4L2_STD_ALL)
953 std = tvp5150_read_std(sd);
954 else
955 std = decoder->norm;
956 if (std & V4L2_STD_525_60)
957 sel->r.height = TVP5150_V_MAX_525_60;
958 else
959 sel->r.height = TVP5150_V_MAX_OTHERS;
960 return 0;
961 case V4L2_SEL_TGT_CROP:
962 sel->r = decoder->rect;
963 return 0;
964 default:
965 return -EINVAL;
966 }
967 }
968
969 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
970 struct v4l2_mbus_config *cfg)
971 {
972 struct tvp5150 *decoder = to_tvp5150(sd);
973
974 cfg->type = decoder->mbus_type;
975 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
976 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
977
978 return 0;
979 }
980
981 /****************************************************************************
982 V4L2 subdev pad ops
983 ****************************************************************************/
984 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
985 struct v4l2_subdev_pad_config *cfg,
986 struct v4l2_subdev_mbus_code_enum *code)
987 {
988 if (code->pad || code->index)
989 return -EINVAL;
990
991 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
992 return 0;
993 }
994
995 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
996 struct v4l2_subdev_pad_config *cfg,
997 struct v4l2_subdev_frame_size_enum *fse)
998 {
999 struct tvp5150 *decoder = to_tvp5150(sd);
1000
1001 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1002 return -EINVAL;
1003
1004 fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1005 fse->min_width = decoder->rect.width;
1006 fse->max_width = decoder->rect.width;
1007 fse->min_height = decoder->rect.height / 2;
1008 fse->max_height = decoder->rect.height / 2;
1009
1010 return 0;
1011 }
1012
1013 /****************************************************************************
1014 Media entity ops
1015 ****************************************************************************/
1016
1017 #ifdef CONFIG_MEDIA_CONTROLLER
1018 static int tvp5150_link_setup(struct media_entity *entity,
1019 const struct media_pad *local,
1020 const struct media_pad *remote, u32 flags)
1021 {
1022 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1023 struct tvp5150 *decoder = to_tvp5150(sd);
1024 int i;
1025
1026 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1027 if (remote->entity == &decoder->input_ent[i])
1028 break;
1029 }
1030
1031 /* Do nothing for entities that are not input connectors */
1032 if (i == TVP5150_INPUT_NUM)
1033 return 0;
1034
1035 decoder->input = i;
1036
1037 tvp5150_selmux(sd);
1038
1039 return 0;
1040 }
1041
1042 static const struct media_entity_operations tvp5150_sd_media_ops = {
1043 .link_setup = tvp5150_link_setup,
1044 };
1045 #endif
1046
1047 /****************************************************************************
1048 I2C Command
1049 ****************************************************************************/
1050
1051 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1052 {
1053 struct tvp5150 *decoder = to_tvp5150(sd);
1054 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */
1055 int val = 0x09;
1056
1057 /* Output format: 8-bit 4:2:2 YUV with discrete sync */
1058 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1059 val = 0x0d;
1060
1061 /* Initializes TVP5150 to its default values */
1062 /* # set PCLK (27MHz) */
1063 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00);
1064
1065 if (enable)
1066 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1067 else
1068 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00);
1069
1070 return 0;
1071 }
1072
1073 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1074 u32 input, u32 output, u32 config)
1075 {
1076 struct tvp5150 *decoder = to_tvp5150(sd);
1077
1078 decoder->input = input;
1079 decoder->output = output;
1080
1081 if (output == TVP5150_BLACK_SCREEN)
1082 decoder->enable = false;
1083 else
1084 decoder->enable = true;
1085
1086 tvp5150_selmux(sd);
1087 return 0;
1088 }
1089
1090 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1091 {
1092 /* this is for capturing 36 raw vbi lines
1093 if there's a way to cut off the beginning 2 vbi lines
1094 with the tvp5150 then the vbi line count could be lowered
1095 to 17 lines/field again, although I couldn't find a register
1096 which could do that cropping */
1097 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1098 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1099 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1100 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1101 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1102 }
1103 return 0;
1104 }
1105
1106 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1107 {
1108 int i;
1109
1110 if (svbi->service_set != 0) {
1111 for (i = 0; i <= 23; i++) {
1112 svbi->service_lines[1][i] = 0;
1113 svbi->service_lines[0][i] =
1114 tvp5150_set_vbi(sd, vbi_ram_default,
1115 svbi->service_lines[0][i], 0xf0, i, 3);
1116 }
1117 /* Enables FIFO */
1118 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1119 } else {
1120 /* Disables FIFO*/
1121 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1122
1123 /* Disable Full Field */
1124 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1125
1126 /* Disable Line modes */
1127 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1128 tvp5150_write(sd, i, 0xff);
1129 }
1130 return 0;
1131 }
1132
1133 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1134 {
1135 int i, mask = 0;
1136
1137 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1138
1139 for (i = 0; i <= 23; i++) {
1140 svbi->service_lines[0][i] =
1141 tvp5150_get_vbi(sd, vbi_ram_default, i);
1142 mask |= svbi->service_lines[0][i];
1143 }
1144 svbi->service_set = mask;
1145 return 0;
1146 }
1147
1148 #ifdef CONFIG_VIDEO_ADV_DEBUG
1149 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1150 {
1151 int res;
1152
1153 res = tvp5150_read(sd, reg->reg & 0xff);
1154 if (res < 0) {
1155 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1156 return res;
1157 }
1158
1159 reg->val = res;
1160 reg->size = 1;
1161 return 0;
1162 }
1163
1164 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1165 {
1166 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1167 }
1168 #endif
1169
1170 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1171 {
1172 int status = tvp5150_read(sd, 0x88);
1173
1174 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1175 return 0;
1176 }
1177
1178 static int tvp5150_registered(struct v4l2_subdev *sd)
1179 {
1180 #ifdef CONFIG_MEDIA_CONTROLLER
1181 struct tvp5150 *decoder = to_tvp5150(sd);
1182 int ret = 0;
1183 int i;
1184
1185 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1186 struct media_entity *input = &decoder->input_ent[i];
1187 struct media_pad *pad = &decoder->input_pad[i];
1188
1189 if (!input->name)
1190 continue;
1191
1192 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1193
1194 ret = media_entity_pads_init(input, 1, pad);
1195 if (ret < 0)
1196 return ret;
1197
1198 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1199 if (ret < 0)
1200 return ret;
1201
1202 ret = media_create_pad_link(input, 0, &sd->entity,
1203 DEMOD_PAD_IF_INPUT, 0);
1204 if (ret < 0) {
1205 media_device_unregister_entity(input);
1206 return ret;
1207 }
1208 }
1209 #endif
1210
1211 return 0;
1212 }
1213
1214 /* ----------------------------------------------------------------------- */
1215
1216 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1217 .s_ctrl = tvp5150_s_ctrl,
1218 };
1219
1220 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1221 .log_status = tvp5150_log_status,
1222 .reset = tvp5150_reset,
1223 #ifdef CONFIG_VIDEO_ADV_DEBUG
1224 .g_register = tvp5150_g_register,
1225 .s_register = tvp5150_s_register,
1226 #endif
1227 };
1228
1229 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1230 .g_tuner = tvp5150_g_tuner,
1231 };
1232
1233 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1234 .s_std = tvp5150_s_std,
1235 .s_stream = tvp5150_s_stream,
1236 .s_routing = tvp5150_s_routing,
1237 .g_mbus_config = tvp5150_g_mbus_config,
1238 };
1239
1240 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1241 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1242 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1243 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1244 .s_raw_fmt = tvp5150_s_raw_fmt,
1245 };
1246
1247 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1248 .enum_mbus_code = tvp5150_enum_mbus_code,
1249 .enum_frame_size = tvp5150_enum_frame_size,
1250 .set_fmt = tvp5150_fill_fmt,
1251 .get_fmt = tvp5150_fill_fmt,
1252 .get_selection = tvp5150_get_selection,
1253 .set_selection = tvp5150_set_selection,
1254 };
1255
1256 static const struct v4l2_subdev_ops tvp5150_ops = {
1257 .core = &tvp5150_core_ops,
1258 .tuner = &tvp5150_tuner_ops,
1259 .video = &tvp5150_video_ops,
1260 .vbi = &tvp5150_vbi_ops,
1261 .pad = &tvp5150_pad_ops,
1262 };
1263
1264 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1265 .registered = tvp5150_registered,
1266 };
1267
1268
1269 /****************************************************************************
1270 I2C Client & Driver
1271 ****************************************************************************/
1272
1273 static int tvp5150_detect_version(struct tvp5150 *core)
1274 {
1275 struct v4l2_subdev *sd = &core->sd;
1276 struct i2c_client *c = v4l2_get_subdevdata(sd);
1277 unsigned int i;
1278 u8 regs[4];
1279 int res;
1280
1281 /*
1282 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1283 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1284 */
1285 for (i = 0; i < 4; i++) {
1286 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1287 if (res < 0)
1288 return res;
1289 regs[i] = res;
1290 }
1291
1292 core->dev_id = (regs[0] << 8) | regs[1];
1293 core->rom_ver = (regs[2] << 8) | regs[3];
1294
1295 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1296 core->dev_id, regs[2], regs[3], c->addr << 1,
1297 c->adapter->name);
1298
1299 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1300 dev_info(sd->dev, "tvp5150a detected.\n");
1301 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1302 dev_info(sd->dev, "tvp5150am1 detected.\n");
1303
1304 /* ITU-T BT.656.4 timing */
1305 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1306 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1307 dev_info(sd->dev, "tvp5151 detected.\n");
1308 } else {
1309 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1310 core->dev_id);
1311 }
1312
1313 return 0;
1314 }
1315
1316 static int tvp5150_init(struct i2c_client *c)
1317 {
1318 struct gpio_desc *pdn_gpio;
1319 struct gpio_desc *reset_gpio;
1320
1321 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1322 if (IS_ERR(pdn_gpio))
1323 return PTR_ERR(pdn_gpio);
1324
1325 if (pdn_gpio) {
1326 gpiod_set_value_cansleep(pdn_gpio, 0);
1327 /* Delay time between power supplies active and reset */
1328 msleep(20);
1329 }
1330
1331 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1332 if (IS_ERR(reset_gpio))
1333 return PTR_ERR(reset_gpio);
1334
1335 if (reset_gpio) {
1336 /* RESETB pulse duration */
1337 ndelay(500);
1338 gpiod_set_value_cansleep(reset_gpio, 0);
1339 /* Delay time between end of reset to I2C active */
1340 usleep_range(200, 250);
1341 }
1342
1343 return 0;
1344 }
1345
1346 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1347 {
1348 struct v4l2_of_endpoint bus_cfg;
1349 struct device_node *ep;
1350 #ifdef CONFIG_MEDIA_CONTROLLER
1351 struct device_node *connectors, *child;
1352 struct media_entity *input;
1353 const char *name;
1354 u32 input_type;
1355 #endif
1356 unsigned int flags;
1357 int ret = 0;
1358
1359 ep = of_graph_get_next_endpoint(np, NULL);
1360 if (!ep)
1361 return -EINVAL;
1362
1363 ret = v4l2_of_parse_endpoint(ep, &bus_cfg);
1364 if (ret)
1365 goto err;
1366
1367 flags = bus_cfg.bus.parallel.flags;
1368
1369 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1370 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1371 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1372 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1373 ret = -EINVAL;
1374 goto err;
1375 }
1376
1377 decoder->mbus_type = bus_cfg.bus_type;
1378
1379 #ifdef CONFIG_MEDIA_CONTROLLER
1380 connectors = of_get_child_by_name(np, "connectors");
1381
1382 if (!connectors)
1383 goto err;
1384
1385 for_each_available_child_of_node(connectors, child) {
1386 ret = of_property_read_u32(child, "input", &input_type);
1387 if (ret) {
1388 dev_err(decoder->sd.dev,
1389 "missing type property in node %s\n",
1390 child->name);
1391 goto err_connector;
1392 }
1393
1394 if (input_type >= TVP5150_INPUT_NUM) {
1395 ret = -EINVAL;
1396 goto err_connector;
1397 }
1398
1399 input = &decoder->input_ent[input_type];
1400
1401 /* Each input connector can only be defined once */
1402 if (input->name) {
1403 dev_err(decoder->sd.dev,
1404 "input %s with same type already exists\n",
1405 input->name);
1406 ret = -EINVAL;
1407 goto err_connector;
1408 }
1409
1410 switch (input_type) {
1411 case TVP5150_COMPOSITE0:
1412 case TVP5150_COMPOSITE1:
1413 input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1414 break;
1415 case TVP5150_SVIDEO:
1416 input->function = MEDIA_ENT_F_CONN_SVIDEO;
1417 break;
1418 }
1419
1420 input->flags = MEDIA_ENT_FL_CONNECTOR;
1421
1422 ret = of_property_read_string(child, "label", &name);
1423 if (ret < 0) {
1424 dev_err(decoder->sd.dev,
1425 "missing label property in node %s\n",
1426 child->name);
1427 goto err_connector;
1428 }
1429
1430 input->name = name;
1431 }
1432
1433 err_connector:
1434 of_node_put(connectors);
1435 #endif
1436 err:
1437 of_node_put(ep);
1438 return ret;
1439 }
1440
1441 static const char * const tvp5150_test_patterns[2] = {
1442 "Disabled",
1443 "Black screen"
1444 };
1445
1446 static int tvp5150_probe(struct i2c_client *c,
1447 const struct i2c_device_id *id)
1448 {
1449 struct tvp5150 *core;
1450 struct v4l2_subdev *sd;
1451 struct device_node *np = c->dev.of_node;
1452 int res;
1453
1454 /* Check if the adapter supports the needed features */
1455 if (!i2c_check_functionality(c->adapter,
1456 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1457 return -EIO;
1458
1459 res = tvp5150_init(c);
1460 if (res)
1461 return res;
1462
1463 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1464 if (!core)
1465 return -ENOMEM;
1466
1467 sd = &core->sd;
1468
1469 if (IS_ENABLED(CONFIG_OF) && np) {
1470 res = tvp5150_parse_dt(core, np);
1471 if (res) {
1472 dev_err(sd->dev, "DT parsing error: %d\n", res);
1473 return res;
1474 }
1475 } else {
1476 /* Default to BT.656 embedded sync */
1477 core->mbus_type = V4L2_MBUS_BT656;
1478 }
1479
1480 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1481 sd->internal_ops = &tvp5150_internal_ops;
1482 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1483
1484 #if defined(CONFIG_MEDIA_CONTROLLER)
1485 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1486 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1487 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1488
1489 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1490
1491 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1492 if (res < 0)
1493 return res;
1494
1495 sd->entity.ops = &tvp5150_sd_media_ops;
1496 #endif
1497
1498 res = tvp5150_detect_version(core);
1499 if (res < 0)
1500 return res;
1501
1502 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1503 core->input = TVP5150_COMPOSITE1;
1504 core->enable = true;
1505
1506 v4l2_ctrl_handler_init(&core->hdl, 5);
1507 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1508 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1509 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1510 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1511 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1512 V4L2_CID_SATURATION, 0, 255, 1, 128);
1513 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1514 V4L2_CID_HUE, -128, 127, 1, 0);
1515 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1516 V4L2_CID_PIXEL_RATE, 27000000,
1517 27000000, 1, 27000000);
1518 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1519 V4L2_CID_TEST_PATTERN,
1520 ARRAY_SIZE(tvp5150_test_patterns),
1521 0, 0, tvp5150_test_patterns);
1522 sd->ctrl_handler = &core->hdl;
1523 if (core->hdl.error) {
1524 res = core->hdl.error;
1525 goto err;
1526 }
1527 v4l2_ctrl_handler_setup(&core->hdl);
1528
1529 /* Default is no cropping */
1530 core->rect.top = 0;
1531 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1532 core->rect.height = TVP5150_V_MAX_525_60;
1533 else
1534 core->rect.height = TVP5150_V_MAX_OTHERS;
1535 core->rect.left = 0;
1536 core->rect.width = TVP5150_H_MAX;
1537
1538 res = v4l2_async_register_subdev(sd);
1539 if (res < 0)
1540 goto err;
1541
1542 if (debug > 1)
1543 tvp5150_log_status(sd);
1544 return 0;
1545
1546 err:
1547 v4l2_ctrl_handler_free(&core->hdl);
1548 return res;
1549 }
1550
1551 static int tvp5150_remove(struct i2c_client *c)
1552 {
1553 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1554 struct tvp5150 *decoder = to_tvp5150(sd);
1555
1556 dev_dbg_lvl(sd->dev, 1, debug,
1557 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1558 c->addr << 1);
1559
1560 v4l2_async_unregister_subdev(sd);
1561 v4l2_ctrl_handler_free(&decoder->hdl);
1562 return 0;
1563 }
1564
1565 /* ----------------------------------------------------------------------- */
1566
1567 static const struct i2c_device_id tvp5150_id[] = {
1568 { "tvp5150", 0 },
1569 { }
1570 };
1571 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1572
1573 #if IS_ENABLED(CONFIG_OF)
1574 static const struct of_device_id tvp5150_of_match[] = {
1575 { .compatible = "ti,tvp5150", },
1576 { /* sentinel */ },
1577 };
1578 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1579 #endif
1580
1581 static struct i2c_driver tvp5150_driver = {
1582 .driver = {
1583 .of_match_table = of_match_ptr(tvp5150_of_match),
1584 .name = "tvp5150",
1585 },
1586 .probe = tvp5150_probe,
1587 .remove = tvp5150_remove,
1588 .id_table = tvp5150_id,
1589 };
1590
1591 module_i2c_driver(tvp5150_driver);
Linux with added FPC-III support