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power: supply: sbs-battery: simplify DT parsing
[deliverable/linux.git] / drivers / media / i2c / tvp5150.c
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 struct tvp5150 {
40 struct v4l2_subdev sd;
41 #ifdef CONFIG_MEDIA_CONTROLLER
42 struct media_pad pads[DEMOD_NUM_PADS];
43 struct media_entity input_ent[TVP5150_INPUT_NUM];
44 struct media_pad input_pad[TVP5150_INPUT_NUM];
45 #endif
46 struct v4l2_ctrl_handler hdl;
47 struct v4l2_rect rect;
48
49 v4l2_std_id norm; /* Current set standard */
50 u32 input;
51 u32 output;
52 int enable;
53
54 u16 dev_id;
55 u16 rom_ver;
56
57 enum v4l2_mbus_type mbus_type;
58 };
59
60 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
61 {
62 return container_of(sd, struct tvp5150, sd);
63 }
64
65 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
66 {
67 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
68 }
69
70 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
71 {
72 struct i2c_client *c = v4l2_get_subdevdata(sd);
73 int rc;
74
75 rc = i2c_smbus_read_byte_data(c, addr);
76 if (rc < 0) {
77 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
78 return rc;
79 }
80
81 v4l2_dbg(2, debug, sd, "tvp5150: read 0x%02x = 0x%02x\n", addr, rc);
82
83 return rc;
84 }
85
86 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
87 unsigned char value)
88 {
89 struct i2c_client *c = v4l2_get_subdevdata(sd);
90 int rc;
91
92 v4l2_dbg(2, debug, sd, "tvp5150: writing 0x%02x 0x%02x\n", addr, value);
93 rc = i2c_smbus_write_byte_data(c, addr, value);
94 if (rc < 0)
95 v4l2_err(sd, "i2c i/o error: rc == %d\n", rc);
96
97 return rc;
98 }
99
100 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
101 const u8 end, int max_line)
102 {
103 int i = 0;
104
105 while (init != (u8)(end + 1)) {
106 if ((i % max_line) == 0) {
107 if (i > 0)
108 printk("\n");
109 printk("tvp5150: %s reg 0x%02x = ", s, init);
110 }
111 printk("%02x ", tvp5150_read(sd, init));
112
113 init++;
114 i++;
115 }
116 printk("\n");
117 }
118
119 static int tvp5150_log_status(struct v4l2_subdev *sd)
120 {
121 printk("tvp5150: Video input source selection #1 = 0x%02x\n",
122 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
123 printk("tvp5150: Analog channel controls = 0x%02x\n",
124 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
125 printk("tvp5150: Operation mode controls = 0x%02x\n",
126 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
127 printk("tvp5150: Miscellaneous controls = 0x%02x\n",
128 tvp5150_read(sd, TVP5150_MISC_CTL));
129 printk("tvp5150: Autoswitch mask= 0x%02x\n",
130 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
131 printk("tvp5150: Color killer threshold control = 0x%02x\n",
132 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
133 printk("tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
134 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
135 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
136 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
137 printk("tvp5150: Brightness control = 0x%02x\n",
138 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
139 printk("tvp5150: Color saturation control = 0x%02x\n",
140 tvp5150_read(sd, TVP5150_SATURATION_CTL));
141 printk("tvp5150: Hue control = 0x%02x\n",
142 tvp5150_read(sd, TVP5150_HUE_CTL));
143 printk("tvp5150: Contrast control = 0x%02x\n",
144 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
145 printk("tvp5150: Outputs and data rates select = 0x%02x\n",
146 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
147 printk("tvp5150: Configuration shared pins = 0x%02x\n",
148 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
149 printk("tvp5150: Active video cropping start = 0x%02x%02x\n",
150 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
151 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
152 printk("tvp5150: Active video cropping stop = 0x%02x%02x\n",
153 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
155 printk("tvp5150: Genlock/RTC = 0x%02x\n",
156 tvp5150_read(sd, TVP5150_GENLOCK));
157 printk("tvp5150: Horizontal sync start = 0x%02x\n",
158 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
159 printk("tvp5150: Vertical blanking start = 0x%02x\n",
160 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
161 printk("tvp5150: Vertical blanking stop = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
163 printk("tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
164 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
165 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
166 printk("tvp5150: Interrupt reset register B = 0x%02x\n",
167 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
168 printk("tvp5150: Interrupt enable register B = 0x%02x\n",
169 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
170 printk("tvp5150: Interrupt configuration register B = 0x%02x\n",
171 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
172 printk("tvp5150: Video standard = 0x%02x\n",
173 tvp5150_read(sd, TVP5150_VIDEO_STD));
174 printk("tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
175 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
176 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
177 printk("tvp5150: Macrovision on counter = 0x%02x\n",
178 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
179 printk("tvp5150: Macrovision off counter = 0x%02x\n",
180 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
181 printk("tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
182 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
183 printk("tvp5150: Device ID = %02x%02x\n",
184 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
185 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
186 printk("tvp5150: ROM version = (hex) %02x.%02x\n",
187 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
188 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
189 printk("tvp5150: Vertical line count = 0x%02x%02x\n",
190 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
191 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
192 printk("tvp5150: Interrupt status register B = 0x%02x\n",
193 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
194 printk("tvp5150: Interrupt active register B = 0x%02x\n",
195 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
196 printk("tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
197 tvp5150_read(sd, TVP5150_STATUS_REG_1),
198 tvp5150_read(sd, TVP5150_STATUS_REG_2),
199 tvp5150_read(sd, TVP5150_STATUS_REG_3),
200 tvp5150_read(sd, TVP5150_STATUS_REG_4),
201 tvp5150_read(sd, TVP5150_STATUS_REG_5));
202
203 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
204 TVP5150_TELETEXT_FIL1_END, 8);
205 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
206 TVP5150_TELETEXT_FIL2_END, 8);
207
208 printk("tvp5150: Teletext filter enable = 0x%02x\n",
209 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
210 printk("tvp5150: Interrupt status register A = 0x%02x\n",
211 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
212 printk("tvp5150: Interrupt enable register A = 0x%02x\n",
213 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
214 printk("tvp5150: Interrupt configuration = 0x%02x\n",
215 tvp5150_read(sd, TVP5150_INT_CONF));
216 printk("tvp5150: VDP status register = 0x%02x\n",
217 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
218 printk("tvp5150: FIFO word count = 0x%02x\n",
219 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
220 printk("tvp5150: FIFO interrupt threshold = 0x%02x\n",
221 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
222 printk("tvp5150: FIFO reset = 0x%02x\n",
223 tvp5150_read(sd, TVP5150_FIFO_RESET));
224 printk("tvp5150: Line number interrupt = 0x%02x\n",
225 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
226 printk("tvp5150: Pixel alignment register = 0x%02x%02x\n",
227 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
228 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
229 printk("tvp5150: FIFO output control = 0x%02x\n",
230 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
231 printk("tvp5150: Full field enable = 0x%02x\n",
232 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
233 printk("tvp5150: Full field mode register = 0x%02x\n",
234 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
235
236 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
237 TVP5150_CC_DATA_END, 8);
238
239 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
240 TVP5150_WSS_DATA_END, 8);
241
242 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
243 TVP5150_VPS_DATA_END, 8);
244
245 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
246 TVP5150_VITC_DATA_END, 10);
247
248 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
249 TVP5150_LINE_MODE_END, 8);
250 return 0;
251 }
252
253 /****************************************************************************
254 Basic functions
255 ****************************************************************************/
256
257 static inline void tvp5150_selmux(struct v4l2_subdev *sd)
258 {
259 int opmode = 0;
260 struct tvp5150 *decoder = to_tvp5150(sd);
261 int input = 0;
262 int val;
263
264 /* Only tvp5150am1 and tvp5151 have signal generator support */
265 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
266 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
267 if (!decoder->enable)
268 input = 8;
269 }
270
271 switch (decoder->input) {
272 case TVP5150_COMPOSITE1:
273 input |= 2;
274 /* fall through */
275 case TVP5150_COMPOSITE0:
276 break;
277 case TVP5150_SVIDEO:
278 default:
279 input |= 1;
280 break;
281 }
282
283 v4l2_dbg(1, debug, sd, "Selecting video route: route input=%i, output=%i "
284 "=> tvp5150 input=%i, opmode=%i\n",
285 decoder->input, decoder->output,
286 input, opmode);
287
288 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
289 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
290
291 /* Svideo should enable YCrCb output and disable GPCL output
292 * For Composite and TV, it should be the reverse
293 */
294 val = tvp5150_read(sd, TVP5150_MISC_CTL);
295 if (val < 0) {
296 v4l2_err(sd, "%s: failed with error = %d\n", __func__, val);
297 return;
298 }
299
300 if (decoder->input == TVP5150_SVIDEO)
301 val = (val & ~0x40) | 0x10;
302 else
303 val = (val & ~0x10) | 0x40;
304 tvp5150_write(sd, TVP5150_MISC_CTL, val);
305 };
306
307 struct i2c_reg_value {
308 unsigned char reg;
309 unsigned char value;
310 };
311
312 /* Default values as sugested at TVP5150AM1 datasheet */
313 static const struct i2c_reg_value tvp5150_init_default[] = {
314 { /* 0x00 */
315 TVP5150_VD_IN_SRC_SEL_1,0x00
316 },
317 { /* 0x01 */
318 TVP5150_ANAL_CHL_CTL,0x15
319 },
320 { /* 0x02 */
321 TVP5150_OP_MODE_CTL,0x00
322 },
323 { /* 0x03 */
324 TVP5150_MISC_CTL,0x01
325 },
326 { /* 0x06 */
327 TVP5150_COLOR_KIL_THSH_CTL,0x10
328 },
329 { /* 0x07 */
330 TVP5150_LUMA_PROC_CTL_1,0x60
331 },
332 { /* 0x08 */
333 TVP5150_LUMA_PROC_CTL_2,0x00
334 },
335 { /* 0x09 */
336 TVP5150_BRIGHT_CTL,0x80
337 },
338 { /* 0x0a */
339 TVP5150_SATURATION_CTL,0x80
340 },
341 { /* 0x0b */
342 TVP5150_HUE_CTL,0x00
343 },
344 { /* 0x0c */
345 TVP5150_CONTRAST_CTL,0x80
346 },
347 { /* 0x0d */
348 TVP5150_DATA_RATE_SEL,0x47
349 },
350 { /* 0x0e */
351 TVP5150_LUMA_PROC_CTL_3,0x00
352 },
353 { /* 0x0f */
354 TVP5150_CONF_SHARED_PIN,0x08
355 },
356 { /* 0x11 */
357 TVP5150_ACT_VD_CROP_ST_MSB,0x00
358 },
359 { /* 0x12 */
360 TVP5150_ACT_VD_CROP_ST_LSB,0x00
361 },
362 { /* 0x13 */
363 TVP5150_ACT_VD_CROP_STP_MSB,0x00
364 },
365 { /* 0x14 */
366 TVP5150_ACT_VD_CROP_STP_LSB,0x00
367 },
368 { /* 0x15 */
369 TVP5150_GENLOCK,0x01
370 },
371 { /* 0x16 */
372 TVP5150_HORIZ_SYNC_START,0x80
373 },
374 { /* 0x18 */
375 TVP5150_VERT_BLANKING_START,0x00
376 },
377 { /* 0x19 */
378 TVP5150_VERT_BLANKING_STOP,0x00
379 },
380 { /* 0x1a */
381 TVP5150_CHROMA_PROC_CTL_1,0x0c
382 },
383 { /* 0x1b */
384 TVP5150_CHROMA_PROC_CTL_2,0x14
385 },
386 { /* 0x1c */
387 TVP5150_INT_RESET_REG_B,0x00
388 },
389 { /* 0x1d */
390 TVP5150_INT_ENABLE_REG_B,0x00
391 },
392 { /* 0x1e */
393 TVP5150_INTT_CONFIG_REG_B,0x00
394 },
395 { /* 0x28 */
396 TVP5150_VIDEO_STD,0x00
397 },
398 { /* 0x2e */
399 TVP5150_MACROVISION_ON_CTR,0x0f
400 },
401 { /* 0x2f */
402 TVP5150_MACROVISION_OFF_CTR,0x01
403 },
404 { /* 0xbb */
405 TVP5150_TELETEXT_FIL_ENA,0x00
406 },
407 { /* 0xc0 */
408 TVP5150_INT_STATUS_REG_A,0x00
409 },
410 { /* 0xc1 */
411 TVP5150_INT_ENABLE_REG_A,0x00
412 },
413 { /* 0xc2 */
414 TVP5150_INT_CONF,0x04
415 },
416 { /* 0xc8 */
417 TVP5150_FIFO_INT_THRESHOLD,0x80
418 },
419 { /* 0xc9 */
420 TVP5150_FIFO_RESET,0x00
421 },
422 { /* 0xca */
423 TVP5150_LINE_NUMBER_INT,0x00
424 },
425 { /* 0xcb */
426 TVP5150_PIX_ALIGN_REG_LOW,0x4e
427 },
428 { /* 0xcc */
429 TVP5150_PIX_ALIGN_REG_HIGH,0x00
430 },
431 { /* 0xcd */
432 TVP5150_FIFO_OUT_CTRL,0x01
433 },
434 { /* 0xcf */
435 TVP5150_FULL_FIELD_ENA,0x00
436 },
437 { /* 0xd0 */
438 TVP5150_LINE_MODE_INI,0x00
439 },
440 { /* 0xfc */
441 TVP5150_FULL_FIELD_MODE_REG,0x7f
442 },
443 { /* end of data */
444 0xff,0xff
445 }
446 };
447
448 /* Default values as sugested at TVP5150AM1 datasheet */
449 static const struct i2c_reg_value tvp5150_init_enable[] = {
450 {
451 TVP5150_CONF_SHARED_PIN, 2
452 },{ /* Automatic offset and AGC enabled */
453 TVP5150_ANAL_CHL_CTL, 0x15
454 },{ /* Activate YCrCb output 0x9 or 0xd ? */
455 TVP5150_MISC_CTL, 0x6f
456 },{ /* Activates video std autodetection for all standards */
457 TVP5150_AUTOSW_MSK, 0x0
458 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
459 TVP5150_DATA_RATE_SEL, 0x47
460 },{
461 TVP5150_CHROMA_PROC_CTL_1, 0x0c
462 },{
463 TVP5150_CHROMA_PROC_CTL_2, 0x54
464 },{ /* Non documented, but initialized on WinTV USB2 */
465 0x27, 0x20
466 },{
467 0xff,0xff
468 }
469 };
470
471 struct tvp5150_vbi_type {
472 unsigned int vbi_type;
473 unsigned int ini_line;
474 unsigned int end_line;
475 unsigned int by_field :1;
476 };
477
478 struct i2c_vbi_ram_value {
479 u16 reg;
480 struct tvp5150_vbi_type type;
481 unsigned char values[16];
482 };
483
484 /* This struct have the values for each supported VBI Standard
485 * by
486 tvp5150_vbi_types should follow the same order as vbi_ram_default
487 * value 0 means rom position 0x10, value 1 means rom position 0x30
488 * and so on. There are 16 possible locations from 0 to 15.
489 */
490
491 static struct i2c_vbi_ram_value vbi_ram_default[] =
492 {
493 /* FIXME: Current api doesn't handle all VBI types, those not
494 yet supported are placed under #if 0 */
495 #if 0
496 {0x010, /* Teletext, SECAM, WST System A */
497 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
498 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
499 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
500 },
501 #endif
502 {0x030, /* Teletext, PAL, WST System B */
503 {V4L2_SLICED_TELETEXT_B,6,22,1},
504 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
505 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
506 },
507 #if 0
508 {0x050, /* Teletext, PAL, WST System C */
509 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
510 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
511 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
512 },
513 {0x070, /* Teletext, NTSC, WST System B */
514 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
515 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
516 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
517 },
518 {0x090, /* Tetetext, NTSC NABTS System C */
519 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
520 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
521 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
522 },
523 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
524 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
525 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
526 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
527 },
528 {0x0d0, /* Closed Caption, PAL/SECAM */
529 {V4L2_SLICED_CAPTION_625,22,22,1},
530 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
531 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
532 },
533 #endif
534 {0x0f0, /* Closed Caption, NTSC */
535 {V4L2_SLICED_CAPTION_525,21,21,1},
536 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
537 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
538 },
539 {0x110, /* Wide Screen Signal, PAL/SECAM */
540 {V4L2_SLICED_WSS_625,23,23,1},
541 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
542 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
543 },
544 #if 0
545 {0x130, /* Wide Screen Signal, NTSC C */
546 {V4L2_SLICED_WSS_525,20,20,1},
547 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
548 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
549 },
550 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
551 {V4l2_SLICED_VITC_625,6,22,0},
552 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
553 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
554 },
555 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
556 {V4l2_SLICED_VITC_525,10,20,0},
557 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
558 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
559 },
560 #endif
561 {0x190, /* Video Program System (VPS), PAL */
562 {V4L2_SLICED_VPS,16,16,0},
563 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
564 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
565 },
566 /* 0x1d0 User programmable */
567
568 /* End of struct */
569 { (u16)-1 }
570 };
571
572 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
573 const struct i2c_reg_value *regs)
574 {
575 while (regs->reg != 0xff) {
576 tvp5150_write(sd, regs->reg, regs->value);
577 regs++;
578 }
579 return 0;
580 }
581
582 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
583 const struct i2c_vbi_ram_value *regs)
584 {
585 unsigned int i;
586
587 /* Disable Full Field */
588 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
589
590 /* Before programming, Line mode should be at 0xff */
591 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
592 tvp5150_write(sd, i, 0xff);
593
594 /* Load Ram Table */
595 while (regs->reg != (u16)-1) {
596 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
597 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
598
599 for (i = 0; i < 16; i++)
600 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
601
602 regs++;
603 }
604 return 0;
605 }
606
607 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
608 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
609 struct v4l2_sliced_vbi_cap *cap)
610 {
611 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
612 int line;
613
614 v4l2_dbg(1, debug, sd, "g_sliced_vbi_cap\n");
615 memset(cap, 0, sizeof *cap);
616
617 while (regs->reg != (u16)-1 ) {
618 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
619 cap->service_lines[0][line] |= regs->type.vbi_type;
620 }
621 cap->service_set |= regs->type.vbi_type;
622
623 regs++;
624 }
625 return 0;
626 }
627
628 /* Set vbi processing
629 * type - one of tvp5150_vbi_types
630 * line - line to gather data
631 * fields: bit 0 field1, bit 1, field2
632 * flags (default=0xf0) is a bitmask, were set means:
633 * bit 7: enable filtering null bytes on CC
634 * bit 6: send data also to FIFO
635 * bit 5: don't allow data with errors on FIFO
636 * bit 4: enable ECC when possible
637 * pix_align = pix alignment:
638 * LSB = field1
639 * MSB = field2
640 */
641 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
642 const struct i2c_vbi_ram_value *regs,
643 unsigned int type,u8 flags, int line,
644 const int fields)
645 {
646 struct tvp5150 *decoder = to_tvp5150(sd);
647 v4l2_std_id std = decoder->norm;
648 u8 reg;
649 int pos=0;
650
651 if (std == V4L2_STD_ALL) {
652 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
653 return 0;
654 } else if (std & V4L2_STD_625_50) {
655 /* Don't follow NTSC Line number convension */
656 line += 3;
657 }
658
659 if (line<6||line>27)
660 return 0;
661
662 while (regs->reg != (u16)-1 ) {
663 if ((type & regs->type.vbi_type) &&
664 (line>=regs->type.ini_line) &&
665 (line<=regs->type.end_line)) {
666 type=regs->type.vbi_type;
667 break;
668 }
669
670 regs++;
671 pos++;
672 }
673 if (regs->reg == (u16)-1)
674 return 0;
675
676 type=pos | (flags & 0xf0);
677 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
678
679 if (fields&1) {
680 tvp5150_write(sd, reg, type);
681 }
682
683 if (fields&2) {
684 tvp5150_write(sd, reg+1, type);
685 }
686
687 return type;
688 }
689
690 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
691 const struct i2c_vbi_ram_value *regs, int line)
692 {
693 struct tvp5150 *decoder = to_tvp5150(sd);
694 v4l2_std_id std = decoder->norm;
695 u8 reg;
696 int pos, type = 0;
697 int i, ret = 0;
698
699 if (std == V4L2_STD_ALL) {
700 v4l2_err(sd, "VBI can't be configured without knowing number of lines\n");
701 return 0;
702 } else if (std & V4L2_STD_625_50) {
703 /* Don't follow NTSC Line number convension */
704 line += 3;
705 }
706
707 if (line < 6 || line > 27)
708 return 0;
709
710 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
711
712 for (i = 0; i <= 1; i++) {
713 ret = tvp5150_read(sd, reg + i);
714 if (ret < 0) {
715 v4l2_err(sd, "%s: failed with error = %d\n",
716 __func__, ret);
717 return 0;
718 }
719 pos = ret & 0x0f;
720 if (pos < 0x0f)
721 type |= regs[pos].type.vbi_type;
722 }
723
724 return type;
725 }
726
727 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
728 {
729 struct tvp5150 *decoder = to_tvp5150(sd);
730 int fmt = 0;
731
732 decoder->norm = std;
733
734 /* First tests should be against specific std */
735
736 if (std == V4L2_STD_NTSC_443) {
737 fmt = VIDEO_STD_NTSC_4_43_BIT;
738 } else if (std == V4L2_STD_PAL_M) {
739 fmt = VIDEO_STD_PAL_M_BIT;
740 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
741 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
742 } else {
743 /* Then, test against generic ones */
744 if (std & V4L2_STD_NTSC)
745 fmt = VIDEO_STD_NTSC_MJ_BIT;
746 else if (std & V4L2_STD_PAL)
747 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
748 else if (std & V4L2_STD_SECAM)
749 fmt = VIDEO_STD_SECAM_BIT;
750 }
751
752 v4l2_dbg(1, debug, sd, "Set video std register to %d.\n", fmt);
753 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
754 return 0;
755 }
756
757 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
758 {
759 struct tvp5150 *decoder = to_tvp5150(sd);
760
761 if (decoder->norm == std)
762 return 0;
763
764 /* Change cropping height limits */
765 if (std & V4L2_STD_525_60)
766 decoder->rect.height = TVP5150_V_MAX_525_60;
767 else
768 decoder->rect.height = TVP5150_V_MAX_OTHERS;
769
770
771 return tvp5150_set_std(sd, std);
772 }
773
774 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
775 {
776 struct tvp5150 *decoder = to_tvp5150(sd);
777
778 /* Initializes TVP5150 to its default values */
779 tvp5150_write_inittab(sd, tvp5150_init_default);
780
781 /* Initializes VDP registers */
782 tvp5150_vdp_init(sd, vbi_ram_default);
783
784 /* Selects decoder input */
785 tvp5150_selmux(sd);
786
787 /* Initializes TVP5150 to stream enabled values */
788 tvp5150_write_inittab(sd, tvp5150_init_enable);
789
790 /* Initialize image preferences */
791 v4l2_ctrl_handler_setup(&decoder->hdl);
792
793 tvp5150_set_std(sd, decoder->norm);
794
795 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
796 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
797
798 return 0;
799 };
800
801 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
802 {
803 struct v4l2_subdev *sd = to_sd(ctrl);
804 struct tvp5150 *decoder = to_tvp5150(sd);
805
806 switch (ctrl->id) {
807 case V4L2_CID_BRIGHTNESS:
808 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
809 return 0;
810 case V4L2_CID_CONTRAST:
811 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
812 return 0;
813 case V4L2_CID_SATURATION:
814 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
815 return 0;
816 case V4L2_CID_HUE:
817 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
818 case V4L2_CID_TEST_PATTERN:
819 decoder->enable = ctrl->val ? false : true;
820 tvp5150_selmux(sd);
821 return 0;
822 }
823 return -EINVAL;
824 }
825
826 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
827 {
828 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
829
830 switch (val & 0x0F) {
831 case 0x01:
832 return V4L2_STD_NTSC;
833 case 0x03:
834 return V4L2_STD_PAL;
835 case 0x05:
836 return V4L2_STD_PAL_M;
837 case 0x07:
838 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
839 case 0x09:
840 return V4L2_STD_NTSC_443;
841 case 0xb:
842 return V4L2_STD_SECAM;
843 default:
844 return V4L2_STD_UNKNOWN;
845 }
846 }
847
848 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
849 struct v4l2_subdev_pad_config *cfg,
850 struct v4l2_subdev_format *format)
851 {
852 struct v4l2_mbus_framefmt *f;
853 struct tvp5150 *decoder = to_tvp5150(sd);
854
855 if (!format || format->pad)
856 return -EINVAL;
857
858 f = &format->format;
859
860 tvp5150_reset(sd, 0);
861
862 f->width = decoder->rect.width;
863 f->height = decoder->rect.height / 2;
864
865 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
866 f->field = V4L2_FIELD_ALTERNATE;
867 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
868
869 v4l2_dbg(1, debug, sd, "width = %d, height = %d\n", f->width,
870 f->height);
871 return 0;
872 }
873
874 static int tvp5150_s_crop(struct v4l2_subdev *sd, const struct v4l2_crop *a)
875 {
876 struct v4l2_rect rect = a->c;
877 struct tvp5150 *decoder = to_tvp5150(sd);
878 v4l2_std_id std;
879 unsigned int hmax;
880
881 v4l2_dbg(1, debug, sd, "%s left=%d, top=%d, width=%d, height=%d\n",
882 __func__, rect.left, rect.top, rect.width, rect.height);
883
884 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
885 return -EINVAL;
886
887 /* tvp5150 has some special limits */
888 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
889 rect.width = clamp_t(unsigned int, rect.width,
890 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
891 TVP5150_H_MAX - rect.left);
892 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
893
894 /* Calculate height based on current standard */
895 if (decoder->norm == V4L2_STD_ALL)
896 std = tvp5150_read_std(sd);
897 else
898 std = decoder->norm;
899
900 if (std & V4L2_STD_525_60)
901 hmax = TVP5150_V_MAX_525_60;
902 else
903 hmax = TVP5150_V_MAX_OTHERS;
904
905 rect.height = clamp_t(unsigned int, rect.height,
906 hmax - TVP5150_MAX_CROP_TOP - rect.top,
907 hmax - rect.top);
908
909 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
910 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
911 rect.top + rect.height - hmax);
912 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
913 rect.left >> TVP5150_CROP_SHIFT);
914 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
915 rect.left | (1 << TVP5150_CROP_SHIFT));
916 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
917 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
918 TVP5150_CROP_SHIFT);
919 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
920 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
921
922 decoder->rect = rect;
923
924 return 0;
925 }
926
927 static int tvp5150_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
928 {
929 struct tvp5150 *decoder = to_tvp5150(sd);
930
931 a->c = decoder->rect;
932 a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
933
934 return 0;
935 }
936
937 static int tvp5150_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
938 {
939 struct tvp5150 *decoder = to_tvp5150(sd);
940 v4l2_std_id std;
941
942 if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
943 return -EINVAL;
944
945 a->bounds.left = 0;
946 a->bounds.top = 0;
947 a->bounds.width = TVP5150_H_MAX;
948
949 /* Calculate height based on current standard */
950 if (decoder->norm == V4L2_STD_ALL)
951 std = tvp5150_read_std(sd);
952 else
953 std = decoder->norm;
954
955 if (std & V4L2_STD_525_60)
956 a->bounds.height = TVP5150_V_MAX_525_60;
957 else
958 a->bounds.height = TVP5150_V_MAX_OTHERS;
959
960 a->defrect = a->bounds;
961 a->pixelaspect.numerator = 1;
962 a->pixelaspect.denominator = 1;
963
964 return 0;
965 }
966
967 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
968 struct v4l2_mbus_config *cfg)
969 {
970 struct tvp5150 *decoder = to_tvp5150(sd);
971
972 cfg->type = decoder->mbus_type;
973 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
974 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
975
976 return 0;
977 }
978
979 /****************************************************************************
980 V4L2 subdev pad ops
981 ****************************************************************************/
982 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
983 struct v4l2_subdev_pad_config *cfg,
984 struct v4l2_subdev_mbus_code_enum *code)
985 {
986 if (code->pad || code->index)
987 return -EINVAL;
988
989 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
990 return 0;
991 }
992
993 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
994 struct v4l2_subdev_pad_config *cfg,
995 struct v4l2_subdev_frame_size_enum *fse)
996 {
997 struct tvp5150 *decoder = to_tvp5150(sd);
998
999 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1000 return -EINVAL;
1001
1002 fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1003 fse->min_width = decoder->rect.width;
1004 fse->max_width = decoder->rect.width;
1005 fse->min_height = decoder->rect.height / 2;
1006 fse->max_height = decoder->rect.height / 2;
1007
1008 return 0;
1009 }
1010
1011 /****************************************************************************
1012 Media entity ops
1013 ****************************************************************************/
1014
1015 static int tvp5150_link_setup(struct media_entity *entity,
1016 const struct media_pad *local,
1017 const struct media_pad *remote, u32 flags)
1018 {
1019 #ifdef CONFIG_MEDIA_CONTROLLER
1020 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1021 struct tvp5150 *decoder = to_tvp5150(sd);
1022 int i;
1023
1024 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1025 if (remote->entity == &decoder->input_ent[i])
1026 break;
1027 }
1028
1029 /* Do nothing for entities that are not input connectors */
1030 if (i == TVP5150_INPUT_NUM)
1031 return 0;
1032
1033 decoder->input = i;
1034
1035 tvp5150_selmux(sd);
1036 #endif
1037
1038 return 0;
1039 }
1040
1041 static const struct media_entity_operations tvp5150_sd_media_ops = {
1042 .link_setup = tvp5150_link_setup,
1043 };
1044
1045 /****************************************************************************
1046 I2C Command
1047 ****************************************************************************/
1048
1049 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1050 {
1051 struct tvp5150 *decoder = to_tvp5150(sd);
1052 /* Output format: 8-bit ITU-R BT.656 with embedded syncs */
1053 int val = 0x09;
1054
1055 /* Output format: 8-bit 4:2:2 YUV with discrete sync */
1056 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1057 val = 0x0d;
1058
1059 /* Initializes TVP5150 to its default values */
1060 /* # set PCLK (27MHz) */
1061 tvp5150_write(sd, TVP5150_CONF_SHARED_PIN, 0x00);
1062
1063 if (enable)
1064 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1065 else
1066 tvp5150_write(sd, TVP5150_MISC_CTL, 0x00);
1067
1068 return 0;
1069 }
1070
1071 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1072 u32 input, u32 output, u32 config)
1073 {
1074 struct tvp5150 *decoder = to_tvp5150(sd);
1075
1076 decoder->input = input;
1077 decoder->output = output;
1078
1079 if (output == TVP5150_BLACK_SCREEN)
1080 decoder->enable = false;
1081 else
1082 decoder->enable = true;
1083
1084 tvp5150_selmux(sd);
1085 return 0;
1086 }
1087
1088 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1089 {
1090 /* this is for capturing 36 raw vbi lines
1091 if there's a way to cut off the beginning 2 vbi lines
1092 with the tvp5150 then the vbi line count could be lowered
1093 to 17 lines/field again, although I couldn't find a register
1094 which could do that cropping */
1095 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1096 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1097 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1098 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1099 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1100 }
1101 return 0;
1102 }
1103
1104 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1105 {
1106 int i;
1107
1108 if (svbi->service_set != 0) {
1109 for (i = 0; i <= 23; i++) {
1110 svbi->service_lines[1][i] = 0;
1111 svbi->service_lines[0][i] =
1112 tvp5150_set_vbi(sd, vbi_ram_default,
1113 svbi->service_lines[0][i], 0xf0, i, 3);
1114 }
1115 /* Enables FIFO */
1116 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1117 } else {
1118 /* Disables FIFO*/
1119 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1120
1121 /* Disable Full Field */
1122 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1123
1124 /* Disable Line modes */
1125 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1126 tvp5150_write(sd, i, 0xff);
1127 }
1128 return 0;
1129 }
1130
1131 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1132 {
1133 int i, mask = 0;
1134
1135 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1136
1137 for (i = 0; i <= 23; i++) {
1138 svbi->service_lines[0][i] =
1139 tvp5150_get_vbi(sd, vbi_ram_default, i);
1140 mask |= svbi->service_lines[0][i];
1141 }
1142 svbi->service_set = mask;
1143 return 0;
1144 }
1145
1146 #ifdef CONFIG_VIDEO_ADV_DEBUG
1147 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1148 {
1149 int res;
1150
1151 res = tvp5150_read(sd, reg->reg & 0xff);
1152 if (res < 0) {
1153 v4l2_err(sd, "%s: failed with error = %d\n", __func__, res);
1154 return res;
1155 }
1156
1157 reg->val = res;
1158 reg->size = 1;
1159 return 0;
1160 }
1161
1162 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1163 {
1164 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1165 }
1166 #endif
1167
1168 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1169 {
1170 int status = tvp5150_read(sd, 0x88);
1171
1172 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1173 return 0;
1174 }
1175
1176 static int tvp5150_registered_async(struct v4l2_subdev *sd)
1177 {
1178 #ifdef CONFIG_MEDIA_CONTROLLER
1179 struct tvp5150 *decoder = to_tvp5150(sd);
1180 int ret = 0;
1181 int i;
1182
1183 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1184 struct media_entity *input = &decoder->input_ent[i];
1185 struct media_pad *pad = &decoder->input_pad[i];
1186
1187 if (!input->name)
1188 continue;
1189
1190 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1191
1192 ret = media_entity_pads_init(input, 1, pad);
1193 if (ret < 0)
1194 return ret;
1195
1196 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1197 if (ret < 0)
1198 return ret;
1199
1200 ret = media_create_pad_link(input, 0, &sd->entity,
1201 DEMOD_PAD_IF_INPUT, 0);
1202 if (ret < 0) {
1203 media_device_unregister_entity(input);
1204 return ret;
1205 }
1206 }
1207 #endif
1208
1209 return 0;
1210 }
1211
1212 /* ----------------------------------------------------------------------- */
1213
1214 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1215 .s_ctrl = tvp5150_s_ctrl,
1216 };
1217
1218 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1219 .log_status = tvp5150_log_status,
1220 .reset = tvp5150_reset,
1221 #ifdef CONFIG_VIDEO_ADV_DEBUG
1222 .g_register = tvp5150_g_register,
1223 .s_register = tvp5150_s_register,
1224 #endif
1225 .registered_async = tvp5150_registered_async,
1226 };
1227
1228 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1229 .g_tuner = tvp5150_g_tuner,
1230 };
1231
1232 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1233 .s_std = tvp5150_s_std,
1234 .s_stream = tvp5150_s_stream,
1235 .s_routing = tvp5150_s_routing,
1236 .s_crop = tvp5150_s_crop,
1237 .g_crop = tvp5150_g_crop,
1238 .cropcap = tvp5150_cropcap,
1239 .g_mbus_config = tvp5150_g_mbus_config,
1240 };
1241
1242 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1243 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1244 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1245 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1246 .s_raw_fmt = tvp5150_s_raw_fmt,
1247 };
1248
1249 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1250 .enum_mbus_code = tvp5150_enum_mbus_code,
1251 .enum_frame_size = tvp5150_enum_frame_size,
1252 .set_fmt = tvp5150_fill_fmt,
1253 .get_fmt = tvp5150_fill_fmt,
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
1265 /****************************************************************************
1266 I2C Client & Driver
1267 ****************************************************************************/
1268
1269 static int tvp5150_detect_version(struct tvp5150 *core)
1270 {
1271 struct v4l2_subdev *sd = &core->sd;
1272 struct i2c_client *c = v4l2_get_subdevdata(sd);
1273 unsigned int i;
1274 u8 regs[4];
1275 int res;
1276
1277 /*
1278 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1279 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1280 */
1281 for (i = 0; i < 4; i++) {
1282 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1283 if (res < 0)
1284 return res;
1285 regs[i] = res;
1286 }
1287
1288 core->dev_id = (regs[0] << 8) | regs[1];
1289 core->rom_ver = (regs[2] << 8) | regs[3];
1290
1291 v4l2_info(sd, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1292 core->dev_id, regs[2], regs[3], c->addr << 1,
1293 c->adapter->name);
1294
1295 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1296 v4l2_info(sd, "tvp5150a detected.\n");
1297 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1298 v4l2_info(sd, "tvp5150am1 detected.\n");
1299
1300 /* ITU-T BT.656.4 timing */
1301 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1302 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1303 v4l2_info(sd, "tvp5151 detected.\n");
1304 } else {
1305 v4l2_info(sd, "*** unknown tvp%04x chip detected.\n",
1306 core->dev_id);
1307 }
1308
1309 return 0;
1310 }
1311
1312 static int tvp5150_init(struct i2c_client *c)
1313 {
1314 struct gpio_desc *pdn_gpio;
1315 struct gpio_desc *reset_gpio;
1316
1317 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1318 if (IS_ERR(pdn_gpio))
1319 return PTR_ERR(pdn_gpio);
1320
1321 if (pdn_gpio) {
1322 gpiod_set_value_cansleep(pdn_gpio, 0);
1323 /* Delay time between power supplies active and reset */
1324 msleep(20);
1325 }
1326
1327 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1328 if (IS_ERR(reset_gpio))
1329 return PTR_ERR(reset_gpio);
1330
1331 if (reset_gpio) {
1332 /* RESETB pulse duration */
1333 ndelay(500);
1334 gpiod_set_value_cansleep(reset_gpio, 0);
1335 /* Delay time between end of reset to I2C active */
1336 usleep_range(200, 250);
1337 }
1338
1339 return 0;
1340 }
1341
1342 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1343 {
1344 struct v4l2_of_endpoint bus_cfg;
1345 struct device_node *ep;
1346 #ifdef CONFIG_MEDIA_CONTROLLER
1347 struct device_node *connectors, *child;
1348 struct media_entity *input;
1349 const char *name;
1350 u32 input_type;
1351 #endif
1352 unsigned int flags;
1353 int ret = 0;
1354
1355 ep = of_graph_get_next_endpoint(np, NULL);
1356 if (!ep)
1357 return -EINVAL;
1358
1359 ret = v4l2_of_parse_endpoint(ep, &bus_cfg);
1360 if (ret)
1361 goto err;
1362
1363 flags = bus_cfg.bus.parallel.flags;
1364
1365 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1366 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1367 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1368 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1369 ret = -EINVAL;
1370 goto err;
1371 }
1372
1373 decoder->mbus_type = bus_cfg.bus_type;
1374
1375 #ifdef CONFIG_MEDIA_CONTROLLER
1376 connectors = of_get_child_by_name(np, "connectors");
1377
1378 if (!connectors)
1379 goto err;
1380
1381 for_each_available_child_of_node(connectors, child) {
1382 ret = of_property_read_u32(child, "input", &input_type);
1383 if (ret) {
1384 v4l2_err(&decoder->sd,
1385 "missing type property in node %s\n",
1386 child->name);
1387 goto err_connector;
1388 }
1389
1390 if (input_type >= TVP5150_INPUT_NUM) {
1391 ret = -EINVAL;
1392 goto err_connector;
1393 }
1394
1395 input = &decoder->input_ent[input_type];
1396
1397 /* Each input connector can only be defined once */
1398 if (input->name) {
1399 v4l2_err(&decoder->sd,
1400 "input %s with same type already exists\n",
1401 input->name);
1402 ret = -EINVAL;
1403 goto err_connector;
1404 }
1405
1406 switch (input_type) {
1407 case TVP5150_COMPOSITE0:
1408 case TVP5150_COMPOSITE1:
1409 input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1410 break;
1411 case TVP5150_SVIDEO:
1412 input->function = MEDIA_ENT_F_CONN_SVIDEO;
1413 break;
1414 }
1415
1416 input->flags = MEDIA_ENT_FL_CONNECTOR;
1417
1418 ret = of_property_read_string(child, "label", &name);
1419 if (ret < 0) {
1420 v4l2_err(&decoder->sd,
1421 "missing label property in node %s\n",
1422 child->name);
1423 goto err_connector;
1424 }
1425
1426 input->name = name;
1427 }
1428
1429 err_connector:
1430 of_node_put(connectors);
1431 #endif
1432 err:
1433 of_node_put(ep);
1434 return ret;
1435 }
1436
1437 static const char * const tvp5150_test_patterns[2] = {
1438 "Disabled",
1439 "Black screen"
1440 };
1441
1442 static int tvp5150_probe(struct i2c_client *c,
1443 const struct i2c_device_id *id)
1444 {
1445 struct tvp5150 *core;
1446 struct v4l2_subdev *sd;
1447 struct device_node *np = c->dev.of_node;
1448 int res;
1449
1450 /* Check if the adapter supports the needed features */
1451 if (!i2c_check_functionality(c->adapter,
1452 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1453 return -EIO;
1454
1455 res = tvp5150_init(c);
1456 if (res)
1457 return res;
1458
1459 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1460 if (!core)
1461 return -ENOMEM;
1462
1463 sd = &core->sd;
1464
1465 if (IS_ENABLED(CONFIG_OF) && np) {
1466 res = tvp5150_parse_dt(core, np);
1467 if (res) {
1468 v4l2_err(sd, "DT parsing error: %d\n", res);
1469 return res;
1470 }
1471 } else {
1472 /* Default to BT.656 embedded sync */
1473 core->mbus_type = V4L2_MBUS_BT656;
1474 }
1475
1476 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1477 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1478
1479 #if defined(CONFIG_MEDIA_CONTROLLER)
1480 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1481 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1482 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1483
1484 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1485
1486 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1487 if (res < 0)
1488 return res;
1489
1490 sd->entity.ops = &tvp5150_sd_media_ops;
1491 #endif
1492
1493 res = tvp5150_detect_version(core);
1494 if (res < 0)
1495 return res;
1496
1497 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1498 core->input = TVP5150_COMPOSITE1;
1499 core->enable = true;
1500
1501 v4l2_ctrl_handler_init(&core->hdl, 5);
1502 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1503 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1504 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1505 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1506 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1507 V4L2_CID_SATURATION, 0, 255, 1, 128);
1508 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1509 V4L2_CID_HUE, -128, 127, 1, 0);
1510 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1511 V4L2_CID_PIXEL_RATE, 27000000,
1512 27000000, 1, 27000000);
1513 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1514 V4L2_CID_TEST_PATTERN,
1515 ARRAY_SIZE(tvp5150_test_patterns),
1516 0, 0, tvp5150_test_patterns);
1517 sd->ctrl_handler = &core->hdl;
1518 if (core->hdl.error) {
1519 res = core->hdl.error;
1520 goto err;
1521 }
1522 v4l2_ctrl_handler_setup(&core->hdl);
1523
1524 /* Default is no cropping */
1525 core->rect.top = 0;
1526 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1527 core->rect.height = TVP5150_V_MAX_525_60;
1528 else
1529 core->rect.height = TVP5150_V_MAX_OTHERS;
1530 core->rect.left = 0;
1531 core->rect.width = TVP5150_H_MAX;
1532
1533 res = v4l2_async_register_subdev(sd);
1534 if (res < 0)
1535 goto err;
1536
1537 if (debug > 1)
1538 tvp5150_log_status(sd);
1539 return 0;
1540
1541 err:
1542 v4l2_ctrl_handler_free(&core->hdl);
1543 return res;
1544 }
1545
1546 static int tvp5150_remove(struct i2c_client *c)
1547 {
1548 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1549 struct tvp5150 *decoder = to_tvp5150(sd);
1550
1551 v4l2_dbg(1, debug, sd,
1552 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1553 c->addr << 1);
1554
1555 v4l2_async_unregister_subdev(sd);
1556 v4l2_ctrl_handler_free(&decoder->hdl);
1557 return 0;
1558 }
1559
1560 /* ----------------------------------------------------------------------- */
1561
1562 static const struct i2c_device_id tvp5150_id[] = {
1563 { "tvp5150", 0 },
1564 { }
1565 };
1566 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1567
1568 #if IS_ENABLED(CONFIG_OF)
1569 static const struct of_device_id tvp5150_of_match[] = {
1570 { .compatible = "ti,tvp5150", },
1571 { /* sentinel */ },
1572 };
1573 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1574 #endif
1575
1576 static struct i2c_driver tvp5150_driver = {
1577 .driver = {
1578 .of_match_table = of_match_ptr(tvp5150_of_match),
1579 .name = "tvp5150",
1580 },
1581 .probe = tvp5150_probe,
1582 .remove = tvp5150_remove,
1583 .id_table = tvp5150_id,
1584 };
1585
1586 module_i2c_driver(tvp5150_driver);
Linux kernel - Deliverables
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