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[mirror_ubuntu-artful-kernel.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 <linux/of_graph.h>
16 #include <media/v4l2-async.h>
17 #include <media/v4l2-device.h>
18 #include <media/v4l2-ctrls.h>
19 #include <media/v4l2-fwnode.h>
20 #include <media/v4l2-mc.h>
21
22 #include "tvp5150_reg.h"
23
24 #define TVP5150_H_MAX 720U
25 #define TVP5150_V_MAX_525_60 480U
26 #define TVP5150_V_MAX_OTHERS 576U
27 #define TVP5150_MAX_CROP_LEFT 511
28 #define TVP5150_MAX_CROP_TOP 127
29 #define TVP5150_CROP_SHIFT 2
30
31 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
32 MODULE_AUTHOR("Mauro Carvalho Chehab");
33 MODULE_LICENSE("GPL");
34
35
36 static int debug;
37 module_param(debug, int, 0644);
38 MODULE_PARM_DESC(debug, "Debug level (0-2)");
39
40 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
41
42 struct tvp5150 {
43 struct v4l2_subdev sd;
44 #ifdef CONFIG_MEDIA_CONTROLLER
45 struct media_pad pads[DEMOD_NUM_PADS];
46 struct media_entity input_ent[TVP5150_INPUT_NUM];
47 struct media_pad input_pad[TVP5150_INPUT_NUM];
48 #endif
49 struct v4l2_ctrl_handler hdl;
50 struct v4l2_rect rect;
51
52 v4l2_std_id norm; /* Current set standard */
53 u32 input;
54 u32 output;
55 int enable;
56
57 u16 dev_id;
58 u16 rom_ver;
59
60 enum v4l2_mbus_type mbus_type;
61 };
62
63 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
64 {
65 return container_of(sd, struct tvp5150, sd);
66 }
67
68 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
69 {
70 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
71 }
72
73 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
74 {
75 struct i2c_client *c = v4l2_get_subdevdata(sd);
76 int rc;
77
78 rc = i2c_smbus_read_byte_data(c, addr);
79 if (rc < 0) {
80 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
81 return rc;
82 }
83
84 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
85
86 return rc;
87 }
88
89 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
90 unsigned char value)
91 {
92 struct i2c_client *c = v4l2_get_subdevdata(sd);
93 int rc;
94
95 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
96 rc = i2c_smbus_write_byte_data(c, addr, value);
97 if (rc < 0)
98 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
99
100 return rc;
101 }
102
103 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
104 const u8 end, int max_line)
105 {
106 u8 buf[16];
107 int i = 0, j, len;
108
109 if (max_line > 16) {
110 dprintk0(sd->dev, "too much data to dump\n");
111 return;
112 }
113
114 for (i = init; i < end; i += max_line) {
115 len = (end - i > max_line) ? max_line : end - i;
116
117 for (j = 0; j < len; j++)
118 buf[j] = tvp5150_read(sd, i + j);
119
120 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
121 }
122 }
123
124 static int tvp5150_log_status(struct v4l2_subdev *sd)
125 {
126 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
127 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
128 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
129 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
130 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
131 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
132 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
133 tvp5150_read(sd, TVP5150_MISC_CTL));
134 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
135 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
136 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
137 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
138 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
141 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
142 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
143 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
144 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
145 tvp5150_read(sd, TVP5150_SATURATION_CTL));
146 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
147 tvp5150_read(sd, TVP5150_HUE_CTL));
148 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
149 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
150 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
151 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
152 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
153 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
154 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
156 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
157 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",
158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
159 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
160 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
161 tvp5150_read(sd, TVP5150_GENLOCK));
162 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
163 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
164 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
165 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
166 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
167 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
168 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
170 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
171 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
172 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
173 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
174 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
175 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
176 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
177 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
178 tvp5150_read(sd, TVP5150_VIDEO_STD));
179 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
180 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
181 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
182 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
183 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
184 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
185 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
186 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
187 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
188 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
189 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
190 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
191 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
192 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
193 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
194 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
196 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
197 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
198 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
199 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
200 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
201 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
202 tvp5150_read(sd, TVP5150_STATUS_REG_1),
203 tvp5150_read(sd, TVP5150_STATUS_REG_2),
204 tvp5150_read(sd, TVP5150_STATUS_REG_3),
205 tvp5150_read(sd, TVP5150_STATUS_REG_4),
206 tvp5150_read(sd, TVP5150_STATUS_REG_5));
207
208 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
209 TVP5150_TELETEXT_FIL1_END, 8);
210 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
211 TVP5150_TELETEXT_FIL2_END, 8);
212
213 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
214 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
215 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
216 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
217 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
218 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
219 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
220 tvp5150_read(sd, TVP5150_INT_CONF));
221 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
222 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
223 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
224 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
225 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
226 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
227 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
228 tvp5150_read(sd, TVP5150_FIFO_RESET));
229 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
230 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
231 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
233 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
234 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
235 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
236 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
237 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
238 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
239 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
240
241 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
242 TVP5150_CC_DATA_END, 8);
243
244 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
245 TVP5150_WSS_DATA_END, 8);
246
247 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
248 TVP5150_VPS_DATA_END, 8);
249
250 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
251 TVP5150_VITC_DATA_END, 10);
252
253 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
254 TVP5150_LINE_MODE_END, 8);
255 return 0;
256 }
257
258 /****************************************************************************
259 Basic functions
260 ****************************************************************************/
261
262 static void tvp5150_selmux(struct v4l2_subdev *sd)
263 {
264 int opmode = 0;
265 struct tvp5150 *decoder = to_tvp5150(sd);
266 int input = 0;
267 int val;
268
269 /* Only tvp5150am1 and tvp5151 have signal generator support */
270 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
271 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
272 if (!decoder->enable)
273 input = 8;
274 }
275
276 switch (decoder->input) {
277 case TVP5150_COMPOSITE1:
278 input |= 2;
279 /* fall through */
280 case TVP5150_COMPOSITE0:
281 break;
282 case TVP5150_SVIDEO:
283 default:
284 input |= 1;
285 break;
286 }
287
288 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
289 decoder->input, decoder->output,
290 input, opmode);
291
292 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
293 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
294
295 /*
296 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
297 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
298 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
299 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
300 * INTREQ/GPCL/VBLK to logic 1.
301 */
302 val = tvp5150_read(sd, TVP5150_MISC_CTL);
303 if (val < 0) {
304 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
305 return;
306 }
307
308 if (decoder->input == TVP5150_SVIDEO)
309 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
310 else
311 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
312 tvp5150_write(sd, TVP5150_MISC_CTL, val);
313 };
314
315 struct i2c_reg_value {
316 unsigned char reg;
317 unsigned char value;
318 };
319
320 /* Default values as sugested at TVP5150AM1 datasheet */
321 static const struct i2c_reg_value tvp5150_init_default[] = {
322 { /* 0x00 */
323 TVP5150_VD_IN_SRC_SEL_1,0x00
324 },
325 { /* 0x01 */
326 TVP5150_ANAL_CHL_CTL,0x15
327 },
328 { /* 0x02 */
329 TVP5150_OP_MODE_CTL,0x00
330 },
331 { /* 0x03 */
332 TVP5150_MISC_CTL,0x01
333 },
334 { /* 0x06 */
335 TVP5150_COLOR_KIL_THSH_CTL,0x10
336 },
337 { /* 0x07 */
338 TVP5150_LUMA_PROC_CTL_1,0x60
339 },
340 { /* 0x08 */
341 TVP5150_LUMA_PROC_CTL_2,0x00
342 },
343 { /* 0x09 */
344 TVP5150_BRIGHT_CTL,0x80
345 },
346 { /* 0x0a */
347 TVP5150_SATURATION_CTL,0x80
348 },
349 { /* 0x0b */
350 TVP5150_HUE_CTL,0x00
351 },
352 { /* 0x0c */
353 TVP5150_CONTRAST_CTL,0x80
354 },
355 { /* 0x0d */
356 TVP5150_DATA_RATE_SEL,0x47
357 },
358 { /* 0x0e */
359 TVP5150_LUMA_PROC_CTL_3,0x00
360 },
361 { /* 0x0f */
362 TVP5150_CONF_SHARED_PIN,0x08
363 },
364 { /* 0x11 */
365 TVP5150_ACT_VD_CROP_ST_MSB,0x00
366 },
367 { /* 0x12 */
368 TVP5150_ACT_VD_CROP_ST_LSB,0x00
369 },
370 { /* 0x13 */
371 TVP5150_ACT_VD_CROP_STP_MSB,0x00
372 },
373 { /* 0x14 */
374 TVP5150_ACT_VD_CROP_STP_LSB,0x00
375 },
376 { /* 0x15 */
377 TVP5150_GENLOCK,0x01
378 },
379 { /* 0x16 */
380 TVP5150_HORIZ_SYNC_START,0x80
381 },
382 { /* 0x18 */
383 TVP5150_VERT_BLANKING_START,0x00
384 },
385 { /* 0x19 */
386 TVP5150_VERT_BLANKING_STOP,0x00
387 },
388 { /* 0x1a */
389 TVP5150_CHROMA_PROC_CTL_1,0x0c
390 },
391 { /* 0x1b */
392 TVP5150_CHROMA_PROC_CTL_2,0x14
393 },
394 { /* 0x1c */
395 TVP5150_INT_RESET_REG_B,0x00
396 },
397 { /* 0x1d */
398 TVP5150_INT_ENABLE_REG_B,0x00
399 },
400 { /* 0x1e */
401 TVP5150_INTT_CONFIG_REG_B,0x00
402 },
403 { /* 0x28 */
404 TVP5150_VIDEO_STD,0x00
405 },
406 { /* 0x2e */
407 TVP5150_MACROVISION_ON_CTR,0x0f
408 },
409 { /* 0x2f */
410 TVP5150_MACROVISION_OFF_CTR,0x01
411 },
412 { /* 0xbb */
413 TVP5150_TELETEXT_FIL_ENA,0x00
414 },
415 { /* 0xc0 */
416 TVP5150_INT_STATUS_REG_A,0x00
417 },
418 { /* 0xc1 */
419 TVP5150_INT_ENABLE_REG_A,0x00
420 },
421 { /* 0xc2 */
422 TVP5150_INT_CONF,0x04
423 },
424 { /* 0xc8 */
425 TVP5150_FIFO_INT_THRESHOLD,0x80
426 },
427 { /* 0xc9 */
428 TVP5150_FIFO_RESET,0x00
429 },
430 { /* 0xca */
431 TVP5150_LINE_NUMBER_INT,0x00
432 },
433 { /* 0xcb */
434 TVP5150_PIX_ALIGN_REG_LOW,0x4e
435 },
436 { /* 0xcc */
437 TVP5150_PIX_ALIGN_REG_HIGH,0x00
438 },
439 { /* 0xcd */
440 TVP5150_FIFO_OUT_CTRL,0x01
441 },
442 { /* 0xcf */
443 TVP5150_FULL_FIELD_ENA,0x00
444 },
445 { /* 0xd0 */
446 TVP5150_LINE_MODE_INI,0x00
447 },
448 { /* 0xfc */
449 TVP5150_FULL_FIELD_MODE_REG,0x7f
450 },
451 { /* end of data */
452 0xff,0xff
453 }
454 };
455
456 /* Default values as sugested at TVP5150AM1 datasheet */
457 static const struct i2c_reg_value tvp5150_init_enable[] = {
458 {
459 TVP5150_CONF_SHARED_PIN, 2
460 },{ /* Automatic offset and AGC enabled */
461 TVP5150_ANAL_CHL_CTL, 0x15
462 },{ /* Activate YCrCb output 0x9 or 0xd ? */
463 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
464 TVP5150_MISC_CTL_INTREQ_OE |
465 TVP5150_MISC_CTL_YCBCR_OE |
466 TVP5150_MISC_CTL_SYNC_OE |
467 TVP5150_MISC_CTL_VBLANK |
468 TVP5150_MISC_CTL_CLOCK_OE,
469 },{ /* Activates video std autodetection for all standards */
470 TVP5150_AUTOSW_MSK, 0x0
471 },{ /* Default format: 0x47. For 4:2:2: 0x40 */
472 TVP5150_DATA_RATE_SEL, 0x47
473 },{
474 TVP5150_CHROMA_PROC_CTL_1, 0x0c
475 },{
476 TVP5150_CHROMA_PROC_CTL_2, 0x54
477 },{ /* Non documented, but initialized on WinTV USB2 */
478 0x27, 0x20
479 },{
480 0xff,0xff
481 }
482 };
483
484 struct tvp5150_vbi_type {
485 unsigned int vbi_type;
486 unsigned int ini_line;
487 unsigned int end_line;
488 unsigned int by_field :1;
489 };
490
491 struct i2c_vbi_ram_value {
492 u16 reg;
493 struct tvp5150_vbi_type type;
494 unsigned char values[16];
495 };
496
497 /* This struct have the values for each supported VBI Standard
498 * by
499 tvp5150_vbi_types should follow the same order as vbi_ram_default
500 * value 0 means rom position 0x10, value 1 means rom position 0x30
501 * and so on. There are 16 possible locations from 0 to 15.
502 */
503
504 static struct i2c_vbi_ram_value vbi_ram_default[] =
505 {
506 /* FIXME: Current api doesn't handle all VBI types, those not
507 yet supported are placed under #if 0 */
508 #if 0
509 {0x010, /* Teletext, SECAM, WST System A */
510 {V4L2_SLICED_TELETEXT_SECAM,6,23,1},
511 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
512 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
513 },
514 #endif
515 {0x030, /* Teletext, PAL, WST System B */
516 {V4L2_SLICED_TELETEXT_B,6,22,1},
517 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
518 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
519 },
520 #if 0
521 {0x050, /* Teletext, PAL, WST System C */
522 {V4L2_SLICED_TELETEXT_PAL_C,6,22,1},
523 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
524 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
525 },
526 {0x070, /* Teletext, NTSC, WST System B */
527 {V4L2_SLICED_TELETEXT_NTSC_B,10,21,1},
528 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
529 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
530 },
531 {0x090, /* Tetetext, NTSC NABTS System C */
532 {V4L2_SLICED_TELETEXT_NTSC_C,10,21,1},
533 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
534 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
535 },
536 {0x0b0, /* Teletext, NTSC-J, NABTS System D */
537 {V4L2_SLICED_TELETEXT_NTSC_D,10,21,1},
538 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
539 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
540 },
541 {0x0d0, /* Closed Caption, PAL/SECAM */
542 {V4L2_SLICED_CAPTION_625,22,22,1},
543 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
544 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
545 },
546 #endif
547 {0x0f0, /* Closed Caption, NTSC */
548 {V4L2_SLICED_CAPTION_525,21,21,1},
549 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
550 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
551 },
552 {0x110, /* Wide Screen Signal, PAL/SECAM */
553 {V4L2_SLICED_WSS_625,23,23,1},
554 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
555 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
556 },
557 #if 0
558 {0x130, /* Wide Screen Signal, NTSC C */
559 {V4L2_SLICED_WSS_525,20,20,1},
560 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
561 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
562 },
563 {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
564 {V4l2_SLICED_VITC_625,6,22,0},
565 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
566 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
567 },
568 {0x170, /* Vertical Interval Timecode (VITC), NTSC */
569 {V4l2_SLICED_VITC_525,10,20,0},
570 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
571 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
572 },
573 #endif
574 {0x190, /* Video Program System (VPS), PAL */
575 {V4L2_SLICED_VPS,16,16,0},
576 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
577 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
578 },
579 /* 0x1d0 User programmable */
580
581 /* End of struct */
582 { (u16)-1 }
583 };
584
585 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
586 const struct i2c_reg_value *regs)
587 {
588 while (regs->reg != 0xff) {
589 tvp5150_write(sd, regs->reg, regs->value);
590 regs++;
591 }
592 return 0;
593 }
594
595 static int tvp5150_vdp_init(struct v4l2_subdev *sd,
596 const struct i2c_vbi_ram_value *regs)
597 {
598 unsigned int i;
599
600 /* Disable Full Field */
601 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
602
603 /* Before programming, Line mode should be at 0xff */
604 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
605 tvp5150_write(sd, i, 0xff);
606
607 /* Load Ram Table */
608 while (regs->reg != (u16)-1) {
609 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
610 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
611
612 for (i = 0; i < 16; i++)
613 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
614
615 regs++;
616 }
617 return 0;
618 }
619
620 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
621 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
622 struct v4l2_sliced_vbi_cap *cap)
623 {
624 const struct i2c_vbi_ram_value *regs = vbi_ram_default;
625 int line;
626
627 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
628 memset(cap, 0, sizeof *cap);
629
630 while (regs->reg != (u16)-1 ) {
631 for (line=regs->type.ini_line;line<=regs->type.end_line;line++) {
632 cap->service_lines[0][line] |= regs->type.vbi_type;
633 }
634 cap->service_set |= regs->type.vbi_type;
635
636 regs++;
637 }
638 return 0;
639 }
640
641 /* Set vbi processing
642 * type - one of tvp5150_vbi_types
643 * line - line to gather data
644 * fields: bit 0 field1, bit 1, field2
645 * flags (default=0xf0) is a bitmask, were set means:
646 * bit 7: enable filtering null bytes on CC
647 * bit 6: send data also to FIFO
648 * bit 5: don't allow data with errors on FIFO
649 * bit 4: enable ECC when possible
650 * pix_align = pix alignment:
651 * LSB = field1
652 * MSB = field2
653 */
654 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
655 const struct i2c_vbi_ram_value *regs,
656 unsigned int type,u8 flags, int line,
657 const int fields)
658 {
659 struct tvp5150 *decoder = to_tvp5150(sd);
660 v4l2_std_id std = decoder->norm;
661 u8 reg;
662 int pos=0;
663
664 if (std == V4L2_STD_ALL) {
665 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
666 return 0;
667 } else if (std & V4L2_STD_625_50) {
668 /* Don't follow NTSC Line number convension */
669 line += 3;
670 }
671
672 if (line<6||line>27)
673 return 0;
674
675 while (regs->reg != (u16)-1 ) {
676 if ((type & regs->type.vbi_type) &&
677 (line>=regs->type.ini_line) &&
678 (line<=regs->type.end_line)) {
679 type=regs->type.vbi_type;
680 break;
681 }
682
683 regs++;
684 pos++;
685 }
686 if (regs->reg == (u16)-1)
687 return 0;
688
689 type=pos | (flags & 0xf0);
690 reg=((line-6)<<1)+TVP5150_LINE_MODE_INI;
691
692 if (fields&1) {
693 tvp5150_write(sd, reg, type);
694 }
695
696 if (fields&2) {
697 tvp5150_write(sd, reg+1, type);
698 }
699
700 return type;
701 }
702
703 static int tvp5150_get_vbi(struct v4l2_subdev *sd,
704 const struct i2c_vbi_ram_value *regs, int line)
705 {
706 struct tvp5150 *decoder = to_tvp5150(sd);
707 v4l2_std_id std = decoder->norm;
708 u8 reg;
709 int pos, type = 0;
710 int i, ret = 0;
711
712 if (std == V4L2_STD_ALL) {
713 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
714 return 0;
715 } else if (std & V4L2_STD_625_50) {
716 /* Don't follow NTSC Line number convension */
717 line += 3;
718 }
719
720 if (line < 6 || line > 27)
721 return 0;
722
723 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
724
725 for (i = 0; i <= 1; i++) {
726 ret = tvp5150_read(sd, reg + i);
727 if (ret < 0) {
728 dev_err(sd->dev, "%s: failed with error = %d\n",
729 __func__, ret);
730 return 0;
731 }
732 pos = ret & 0x0f;
733 if (pos < 0x0f)
734 type |= regs[pos].type.vbi_type;
735 }
736
737 return type;
738 }
739
740 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
741 {
742 struct tvp5150 *decoder = to_tvp5150(sd);
743 int fmt = 0;
744
745 decoder->norm = std;
746
747 /* First tests should be against specific std */
748
749 if (std == V4L2_STD_NTSC_443) {
750 fmt = VIDEO_STD_NTSC_4_43_BIT;
751 } else if (std == V4L2_STD_PAL_M) {
752 fmt = VIDEO_STD_PAL_M_BIT;
753 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
754 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
755 } else {
756 /* Then, test against generic ones */
757 if (std & V4L2_STD_NTSC)
758 fmt = VIDEO_STD_NTSC_MJ_BIT;
759 else if (std & V4L2_STD_PAL)
760 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
761 else if (std & V4L2_STD_SECAM)
762 fmt = VIDEO_STD_SECAM_BIT;
763 }
764
765 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
766 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
767 return 0;
768 }
769
770 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
771 {
772 struct tvp5150 *decoder = to_tvp5150(sd);
773
774 if (decoder->norm == std)
775 return 0;
776
777 /* Change cropping height limits */
778 if (std & V4L2_STD_525_60)
779 decoder->rect.height = TVP5150_V_MAX_525_60;
780 else
781 decoder->rect.height = TVP5150_V_MAX_OTHERS;
782
783
784 return tvp5150_set_std(sd, std);
785 }
786
787 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
788 {
789 struct tvp5150 *decoder = to_tvp5150(sd);
790
791 /* Initializes TVP5150 to its default values */
792 tvp5150_write_inittab(sd, tvp5150_init_default);
793
794 /* Initializes VDP registers */
795 tvp5150_vdp_init(sd, vbi_ram_default);
796
797 /* Selects decoder input */
798 tvp5150_selmux(sd);
799
800 /* Initializes TVP5150 to stream enabled values */
801 tvp5150_write_inittab(sd, tvp5150_init_enable);
802
803 /* Initialize image preferences */
804 v4l2_ctrl_handler_setup(&decoder->hdl);
805
806 tvp5150_set_std(sd, decoder->norm);
807
808 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
809 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
810
811 return 0;
812 };
813
814 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
815 {
816 struct v4l2_subdev *sd = to_sd(ctrl);
817 struct tvp5150 *decoder = to_tvp5150(sd);
818
819 switch (ctrl->id) {
820 case V4L2_CID_BRIGHTNESS:
821 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
822 return 0;
823 case V4L2_CID_CONTRAST:
824 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
825 return 0;
826 case V4L2_CID_SATURATION:
827 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
828 return 0;
829 case V4L2_CID_HUE:
830 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
831 break;
832 case V4L2_CID_TEST_PATTERN:
833 decoder->enable = ctrl->val ? false : true;
834 tvp5150_selmux(sd);
835 return 0;
836 }
837 return -EINVAL;
838 }
839
840 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
841 {
842 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
843
844 switch (val & 0x0F) {
845 case 0x01:
846 return V4L2_STD_NTSC;
847 case 0x03:
848 return V4L2_STD_PAL;
849 case 0x05:
850 return V4L2_STD_PAL_M;
851 case 0x07:
852 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
853 case 0x09:
854 return V4L2_STD_NTSC_443;
855 case 0xb:
856 return V4L2_STD_SECAM;
857 default:
858 return V4L2_STD_UNKNOWN;
859 }
860 }
861
862 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
863 struct v4l2_subdev_pad_config *cfg,
864 struct v4l2_subdev_format *format)
865 {
866 struct v4l2_mbus_framefmt *f;
867 struct tvp5150 *decoder = to_tvp5150(sd);
868
869 if (!format || (format->pad != DEMOD_PAD_VID_OUT))
870 return -EINVAL;
871
872 f = &format->format;
873
874 f->width = decoder->rect.width;
875 f->height = decoder->rect.height;
876
877 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
878 f->field = V4L2_FIELD_ALTERNATE;
879 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
880
881 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
882 f->height);
883 return 0;
884 }
885
886 static int tvp5150_set_selection(struct v4l2_subdev *sd,
887 struct v4l2_subdev_pad_config *cfg,
888 struct v4l2_subdev_selection *sel)
889 {
890 struct tvp5150 *decoder = to_tvp5150(sd);
891 struct v4l2_rect rect = sel->r;
892 v4l2_std_id std;
893 int hmax;
894
895 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
896 sel->target != V4L2_SEL_TGT_CROP)
897 return -EINVAL;
898
899 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
900 __func__, rect.left, rect.top, rect.width, rect.height);
901
902 /* tvp5150 has some special limits */
903 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
904 rect.width = clamp_t(unsigned int, rect.width,
905 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
906 TVP5150_H_MAX - rect.left);
907 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
908
909 /* Calculate height based on current standard */
910 if (decoder->norm == V4L2_STD_ALL)
911 std = tvp5150_read_std(sd);
912 else
913 std = decoder->norm;
914
915 if (std & V4L2_STD_525_60)
916 hmax = TVP5150_V_MAX_525_60;
917 else
918 hmax = TVP5150_V_MAX_OTHERS;
919
920 rect.height = clamp_t(unsigned int, rect.height,
921 hmax - TVP5150_MAX_CROP_TOP - rect.top,
922 hmax - rect.top);
923
924 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
925 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
926 rect.top + rect.height - hmax);
927 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
928 rect.left >> TVP5150_CROP_SHIFT);
929 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
930 rect.left | (1 << TVP5150_CROP_SHIFT));
931 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
932 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
933 TVP5150_CROP_SHIFT);
934 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
935 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
936
937 decoder->rect = rect;
938
939 return 0;
940 }
941
942 static int tvp5150_get_selection(struct v4l2_subdev *sd,
943 struct v4l2_subdev_pad_config *cfg,
944 struct v4l2_subdev_selection *sel)
945 {
946 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
947 v4l2_std_id std;
948
949 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
950 return -EINVAL;
951
952 switch (sel->target) {
953 case V4L2_SEL_TGT_CROP_BOUNDS:
954 case V4L2_SEL_TGT_CROP_DEFAULT:
955 sel->r.left = 0;
956 sel->r.top = 0;
957 sel->r.width = TVP5150_H_MAX;
958
959 /* Calculate height based on current standard */
960 if (decoder->norm == V4L2_STD_ALL)
961 std = tvp5150_read_std(sd);
962 else
963 std = decoder->norm;
964 if (std & V4L2_STD_525_60)
965 sel->r.height = TVP5150_V_MAX_525_60;
966 else
967 sel->r.height = TVP5150_V_MAX_OTHERS;
968 return 0;
969 case V4L2_SEL_TGT_CROP:
970 sel->r = decoder->rect;
971 return 0;
972 default:
973 return -EINVAL;
974 }
975 }
976
977 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
978 struct v4l2_mbus_config *cfg)
979 {
980 struct tvp5150 *decoder = to_tvp5150(sd);
981
982 cfg->type = decoder->mbus_type;
983 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
984 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
985
986 return 0;
987 }
988
989 /****************************************************************************
990 V4L2 subdev pad ops
991 ****************************************************************************/
992 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
993 struct v4l2_subdev_pad_config *cfg,
994 struct v4l2_subdev_mbus_code_enum *code)
995 {
996 if (code->pad || code->index)
997 return -EINVAL;
998
999 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
1000 return 0;
1001 }
1002
1003 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1004 struct v4l2_subdev_pad_config *cfg,
1005 struct v4l2_subdev_frame_size_enum *fse)
1006 {
1007 struct tvp5150 *decoder = to_tvp5150(sd);
1008
1009 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1010 return -EINVAL;
1011
1012 fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1013 fse->min_width = decoder->rect.width;
1014 fse->max_width = decoder->rect.width;
1015 fse->min_height = decoder->rect.height / 2;
1016 fse->max_height = decoder->rect.height / 2;
1017
1018 return 0;
1019 }
1020
1021 /****************************************************************************
1022 Media entity ops
1023 ****************************************************************************/
1024
1025 #ifdef CONFIG_MEDIA_CONTROLLER
1026 static int tvp5150_link_setup(struct media_entity *entity,
1027 const struct media_pad *local,
1028 const struct media_pad *remote, u32 flags)
1029 {
1030 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1031 struct tvp5150 *decoder = to_tvp5150(sd);
1032 int i;
1033
1034 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1035 if (remote->entity == &decoder->input_ent[i])
1036 break;
1037 }
1038
1039 /* Do nothing for entities that are not input connectors */
1040 if (i == TVP5150_INPUT_NUM)
1041 return 0;
1042
1043 decoder->input = i;
1044
1045 tvp5150_selmux(sd);
1046
1047 return 0;
1048 }
1049
1050 static const struct media_entity_operations tvp5150_sd_media_ops = {
1051 .link_setup = tvp5150_link_setup,
1052 };
1053 #endif
1054
1055 /****************************************************************************
1056 I2C Command
1057 ****************************************************************************/
1058
1059 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1060 {
1061 struct tvp5150 *decoder = to_tvp5150(sd);
1062 int val;
1063
1064 /* Enable or disable the video output signals. */
1065 val = tvp5150_read(sd, TVP5150_MISC_CTL);
1066 if (val < 0)
1067 return val;
1068
1069 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1070 TVP5150_MISC_CTL_CLOCK_OE);
1071
1072 if (enable) {
1073 /*
1074 * Enable the YCbCr and clock outputs. In discrete sync mode
1075 * (non-BT.656) additionally enable the the sync outputs.
1076 */
1077 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1078 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1079 val |= TVP5150_MISC_CTL_SYNC_OE;
1080 }
1081
1082 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1083
1084 return 0;
1085 }
1086
1087 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1088 u32 input, u32 output, u32 config)
1089 {
1090 struct tvp5150 *decoder = to_tvp5150(sd);
1091
1092 decoder->input = input;
1093 decoder->output = output;
1094
1095 if (output == TVP5150_BLACK_SCREEN)
1096 decoder->enable = false;
1097 else
1098 decoder->enable = true;
1099
1100 tvp5150_selmux(sd);
1101 return 0;
1102 }
1103
1104 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1105 {
1106 /* this is for capturing 36 raw vbi lines
1107 if there's a way to cut off the beginning 2 vbi lines
1108 with the tvp5150 then the vbi line count could be lowered
1109 to 17 lines/field again, although I couldn't find a register
1110 which could do that cropping */
1111 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1112 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1113 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1114 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1115 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1116 }
1117 return 0;
1118 }
1119
1120 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1121 {
1122 int i;
1123
1124 if (svbi->service_set != 0) {
1125 for (i = 0; i <= 23; i++) {
1126 svbi->service_lines[1][i] = 0;
1127 svbi->service_lines[0][i] =
1128 tvp5150_set_vbi(sd, vbi_ram_default,
1129 svbi->service_lines[0][i], 0xf0, i, 3);
1130 }
1131 /* Enables FIFO */
1132 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1133 } else {
1134 /* Disables FIFO*/
1135 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1136
1137 /* Disable Full Field */
1138 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1139
1140 /* Disable Line modes */
1141 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1142 tvp5150_write(sd, i, 0xff);
1143 }
1144 return 0;
1145 }
1146
1147 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1148 {
1149 int i, mask = 0;
1150
1151 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1152
1153 for (i = 0; i <= 23; i++) {
1154 svbi->service_lines[0][i] =
1155 tvp5150_get_vbi(sd, vbi_ram_default, i);
1156 mask |= svbi->service_lines[0][i];
1157 }
1158 svbi->service_set = mask;
1159 return 0;
1160 }
1161
1162 #ifdef CONFIG_VIDEO_ADV_DEBUG
1163 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1164 {
1165 int res;
1166
1167 res = tvp5150_read(sd, reg->reg & 0xff);
1168 if (res < 0) {
1169 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1170 return res;
1171 }
1172
1173 reg->val = res;
1174 reg->size = 1;
1175 return 0;
1176 }
1177
1178 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1179 {
1180 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1181 }
1182 #endif
1183
1184 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1185 {
1186 int status = tvp5150_read(sd, 0x88);
1187
1188 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1189 return 0;
1190 }
1191
1192 static int tvp5150_registered(struct v4l2_subdev *sd)
1193 {
1194 #ifdef CONFIG_MEDIA_CONTROLLER
1195 struct tvp5150 *decoder = to_tvp5150(sd);
1196 int ret = 0;
1197 int i;
1198
1199 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1200 struct media_entity *input = &decoder->input_ent[i];
1201 struct media_pad *pad = &decoder->input_pad[i];
1202
1203 if (!input->name)
1204 continue;
1205
1206 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1207
1208 ret = media_entity_pads_init(input, 1, pad);
1209 if (ret < 0)
1210 return ret;
1211
1212 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1213 if (ret < 0)
1214 return ret;
1215
1216 ret = media_create_pad_link(input, 0, &sd->entity,
1217 DEMOD_PAD_IF_INPUT, 0);
1218 if (ret < 0) {
1219 media_device_unregister_entity(input);
1220 return ret;
1221 }
1222 }
1223 #endif
1224
1225 return 0;
1226 }
1227
1228 /* ----------------------------------------------------------------------- */
1229
1230 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1231 .s_ctrl = tvp5150_s_ctrl,
1232 };
1233
1234 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1235 .log_status = tvp5150_log_status,
1236 .reset = tvp5150_reset,
1237 #ifdef CONFIG_VIDEO_ADV_DEBUG
1238 .g_register = tvp5150_g_register,
1239 .s_register = tvp5150_s_register,
1240 #endif
1241 };
1242
1243 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1244 .g_tuner = tvp5150_g_tuner,
1245 };
1246
1247 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1248 .s_std = tvp5150_s_std,
1249 .s_stream = tvp5150_s_stream,
1250 .s_routing = tvp5150_s_routing,
1251 .g_mbus_config = tvp5150_g_mbus_config,
1252 };
1253
1254 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1255 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1256 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1257 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1258 .s_raw_fmt = tvp5150_s_raw_fmt,
1259 };
1260
1261 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1262 .enum_mbus_code = tvp5150_enum_mbus_code,
1263 .enum_frame_size = tvp5150_enum_frame_size,
1264 .set_fmt = tvp5150_fill_fmt,
1265 .get_fmt = tvp5150_fill_fmt,
1266 .get_selection = tvp5150_get_selection,
1267 .set_selection = tvp5150_set_selection,
1268 };
1269
1270 static const struct v4l2_subdev_ops tvp5150_ops = {
1271 .core = &tvp5150_core_ops,
1272 .tuner = &tvp5150_tuner_ops,
1273 .video = &tvp5150_video_ops,
1274 .vbi = &tvp5150_vbi_ops,
1275 .pad = &tvp5150_pad_ops,
1276 };
1277
1278 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1279 .registered = tvp5150_registered,
1280 };
1281
1282
1283 /****************************************************************************
1284 I2C Client & Driver
1285 ****************************************************************************/
1286
1287 static int tvp5150_detect_version(struct tvp5150 *core)
1288 {
1289 struct v4l2_subdev *sd = &core->sd;
1290 struct i2c_client *c = v4l2_get_subdevdata(sd);
1291 unsigned int i;
1292 u8 regs[4];
1293 int res;
1294
1295 /*
1296 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1297 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1298 */
1299 for (i = 0; i < 4; i++) {
1300 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1301 if (res < 0)
1302 return res;
1303 regs[i] = res;
1304 }
1305
1306 core->dev_id = (regs[0] << 8) | regs[1];
1307 core->rom_ver = (regs[2] << 8) | regs[3];
1308
1309 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1310 core->dev_id, regs[2], regs[3], c->addr << 1,
1311 c->adapter->name);
1312
1313 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1314 dev_info(sd->dev, "tvp5150a detected.\n");
1315 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1316 dev_info(sd->dev, "tvp5150am1 detected.\n");
1317
1318 /* ITU-T BT.656.4 timing */
1319 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1320 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1321 dev_info(sd->dev, "tvp5151 detected.\n");
1322 } else {
1323 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1324 core->dev_id);
1325 }
1326
1327 return 0;
1328 }
1329
1330 static int tvp5150_init(struct i2c_client *c)
1331 {
1332 struct gpio_desc *pdn_gpio;
1333 struct gpio_desc *reset_gpio;
1334
1335 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1336 if (IS_ERR(pdn_gpio))
1337 return PTR_ERR(pdn_gpio);
1338
1339 if (pdn_gpio) {
1340 gpiod_set_value_cansleep(pdn_gpio, 0);
1341 /* Delay time between power supplies active and reset */
1342 msleep(20);
1343 }
1344
1345 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1346 if (IS_ERR(reset_gpio))
1347 return PTR_ERR(reset_gpio);
1348
1349 if (reset_gpio) {
1350 /* RESETB pulse duration */
1351 ndelay(500);
1352 gpiod_set_value_cansleep(reset_gpio, 0);
1353 /* Delay time between end of reset to I2C active */
1354 usleep_range(200, 250);
1355 }
1356
1357 return 0;
1358 }
1359
1360 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1361 {
1362 struct v4l2_fwnode_endpoint bus_cfg;
1363 struct device_node *ep;
1364 #ifdef CONFIG_MEDIA_CONTROLLER
1365 struct device_node *connectors, *child;
1366 struct media_entity *input;
1367 const char *name;
1368 u32 input_type;
1369 #endif
1370 unsigned int flags;
1371 int ret = 0;
1372
1373 ep = of_graph_get_next_endpoint(np, NULL);
1374 if (!ep)
1375 return -EINVAL;
1376
1377 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1378 if (ret)
1379 goto err;
1380
1381 flags = bus_cfg.bus.parallel.flags;
1382
1383 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1384 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1385 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1386 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1387 ret = -EINVAL;
1388 goto err;
1389 }
1390
1391 decoder->mbus_type = bus_cfg.bus_type;
1392
1393 #ifdef CONFIG_MEDIA_CONTROLLER
1394 connectors = of_get_child_by_name(np, "connectors");
1395
1396 if (!connectors)
1397 goto err;
1398
1399 for_each_available_child_of_node(connectors, child) {
1400 ret = of_property_read_u32(child, "input", &input_type);
1401 if (ret) {
1402 dev_err(decoder->sd.dev,
1403 "missing type property in node %s\n",
1404 child->name);
1405 goto err_connector;
1406 }
1407
1408 if (input_type >= TVP5150_INPUT_NUM) {
1409 ret = -EINVAL;
1410 goto err_connector;
1411 }
1412
1413 input = &decoder->input_ent[input_type];
1414
1415 /* Each input connector can only be defined once */
1416 if (input->name) {
1417 dev_err(decoder->sd.dev,
1418 "input %s with same type already exists\n",
1419 input->name);
1420 ret = -EINVAL;
1421 goto err_connector;
1422 }
1423
1424 switch (input_type) {
1425 case TVP5150_COMPOSITE0:
1426 case TVP5150_COMPOSITE1:
1427 input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1428 break;
1429 case TVP5150_SVIDEO:
1430 input->function = MEDIA_ENT_F_CONN_SVIDEO;
1431 break;
1432 }
1433
1434 input->flags = MEDIA_ENT_FL_CONNECTOR;
1435
1436 ret = of_property_read_string(child, "label", &name);
1437 if (ret < 0) {
1438 dev_err(decoder->sd.dev,
1439 "missing label property in node %s\n",
1440 child->name);
1441 goto err_connector;
1442 }
1443
1444 input->name = name;
1445 }
1446
1447 err_connector:
1448 of_node_put(connectors);
1449 #endif
1450 err:
1451 of_node_put(ep);
1452 return ret;
1453 }
1454
1455 static const char * const tvp5150_test_patterns[2] = {
1456 "Disabled",
1457 "Black screen"
1458 };
1459
1460 static int tvp5150_probe(struct i2c_client *c,
1461 const struct i2c_device_id *id)
1462 {
1463 struct tvp5150 *core;
1464 struct v4l2_subdev *sd;
1465 struct device_node *np = c->dev.of_node;
1466 int res;
1467
1468 /* Check if the adapter supports the needed features */
1469 if (!i2c_check_functionality(c->adapter,
1470 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1471 return -EIO;
1472
1473 res = tvp5150_init(c);
1474 if (res)
1475 return res;
1476
1477 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1478 if (!core)
1479 return -ENOMEM;
1480
1481 sd = &core->sd;
1482
1483 if (IS_ENABLED(CONFIG_OF) && np) {
1484 res = tvp5150_parse_dt(core, np);
1485 if (res) {
1486 dev_err(sd->dev, "DT parsing error: %d\n", res);
1487 return res;
1488 }
1489 } else {
1490 /* Default to BT.656 embedded sync */
1491 core->mbus_type = V4L2_MBUS_BT656;
1492 }
1493
1494 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1495 sd->internal_ops = &tvp5150_internal_ops;
1496 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1497
1498 #if defined(CONFIG_MEDIA_CONTROLLER)
1499 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1500 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1501 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1502
1503 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1504
1505 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1506 if (res < 0)
1507 return res;
1508
1509 sd->entity.ops = &tvp5150_sd_media_ops;
1510 #endif
1511
1512 res = tvp5150_detect_version(core);
1513 if (res < 0)
1514 return res;
1515
1516 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1517 core->input = TVP5150_COMPOSITE1;
1518 core->enable = true;
1519
1520 v4l2_ctrl_handler_init(&core->hdl, 5);
1521 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1522 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1523 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1524 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1525 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1526 V4L2_CID_SATURATION, 0, 255, 1, 128);
1527 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1528 V4L2_CID_HUE, -128, 127, 1, 0);
1529 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1530 V4L2_CID_PIXEL_RATE, 27000000,
1531 27000000, 1, 27000000);
1532 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1533 V4L2_CID_TEST_PATTERN,
1534 ARRAY_SIZE(tvp5150_test_patterns),
1535 0, 0, tvp5150_test_patterns);
1536 sd->ctrl_handler = &core->hdl;
1537 if (core->hdl.error) {
1538 res = core->hdl.error;
1539 goto err;
1540 }
1541
1542 /* Default is no cropping */
1543 core->rect.top = 0;
1544 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1545 core->rect.height = TVP5150_V_MAX_525_60;
1546 else
1547 core->rect.height = TVP5150_V_MAX_OTHERS;
1548 core->rect.left = 0;
1549 core->rect.width = TVP5150_H_MAX;
1550
1551 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
1552
1553 res = v4l2_async_register_subdev(sd);
1554 if (res < 0)
1555 goto err;
1556
1557 if (debug > 1)
1558 tvp5150_log_status(sd);
1559 return 0;
1560
1561 err:
1562 v4l2_ctrl_handler_free(&core->hdl);
1563 return res;
1564 }
1565
1566 static int tvp5150_remove(struct i2c_client *c)
1567 {
1568 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1569 struct tvp5150 *decoder = to_tvp5150(sd);
1570
1571 dev_dbg_lvl(sd->dev, 1, debug,
1572 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1573 c->addr << 1);
1574
1575 v4l2_async_unregister_subdev(sd);
1576 v4l2_ctrl_handler_free(&decoder->hdl);
1577 return 0;
1578 }
1579
1580 /* ----------------------------------------------------------------------- */
1581
1582 static const struct i2c_device_id tvp5150_id[] = {
1583 { "tvp5150", 0 },
1584 { }
1585 };
1586 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1587
1588 #if IS_ENABLED(CONFIG_OF)
1589 static const struct of_device_id tvp5150_of_match[] = {
1590 { .compatible = "ti,tvp5150", },
1591 { /* sentinel */ },
1592 };
1593 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1594 #endif
1595
1596 static struct i2c_driver tvp5150_driver = {
1597 .driver = {
1598 .of_match_table = of_match_ptr(tvp5150_of_match),
1599 .name = "tvp5150",
1600 },
1601 .probe = tvp5150_probe,
1602 .remove = tvp5150_remove,
1603 .id_table = tvp5150_id,
1604 };
1605
1606 module_i2c_driver(tvp5150_driver);
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