Gitiles
Code Review Sign In
192.168.1.100 / T103 / 1f884588077ad3476b9c91cbb0ee9ee0332bbb68 / . / src / kernel / linux / v4.14 / drivers / media / i2c / tvp5150.c
blob: a10331b22feeb23a780f9bd5ea7951006993f30a [file] [log] [blame]
rjw1f884582022-01-06 17:20:42 +0800[diff] [blame^]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
31MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
32MODULE_AUTHOR("Mauro Carvalho Chehab");
33MODULE_LICENSE("GPL");
34
35
36static int debug;
37module_param(debug, int, 0644);
38MODULE_PARM_DESC(debug, "Debug level (0-2)");
39
40#define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
41
42struct 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
63static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
64{
65 return container_of(sd, struct tvp5150, sd);
66}
67
68static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
69{
70 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
71}
72
73static 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
89static 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
103static 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
124static 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
262static 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
315struct i2c_reg_value {
316 unsigned char reg;
317 unsigned char value;
318};
319
320/* Default values as sugested at TVP5150AM1 datasheet */
321static 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 */
457static 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
484struct 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
491struct 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
504static 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 [0] = {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 [1] = {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 [2] = {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 [3] = {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 [4] = {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 [5] = {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 [6] = {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 [7] = {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 [8] = {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 [9] = {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 [10] = {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 [11] = {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 [12] = {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
582static int tvp5150_write_inittab(struct v4l2_subdev *sd,
583 const struct i2c_reg_value *regs)
584{
585 while (regs->reg != 0xff) {
586 tvp5150_write(sd, regs->reg, regs->value);
587 regs++;
588 }
589 return 0;
590}
591
592static int tvp5150_vdp_init(struct v4l2_subdev *sd)
593{
594 unsigned int i;
595 int j;
596
597 /* Disable Full Field */
598 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
599
600 /* Before programming, Line mode should be at 0xff */
601 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
602 tvp5150_write(sd, i, 0xff);
603
604 /* Load Ram Table */
605 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
606 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
607
608 if (!regs->type.vbi_type)
609 continue;
610
611 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
612 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
613
614 for (i = 0; i < 16; i++)
615 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
616 }
617 return 0;
618}
619
620/* Fills VBI capabilities based on i2c_vbi_ram_value struct */
621static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
622 struct v4l2_sliced_vbi_cap *cap)
623{
624 int line, i;
625
626 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
627 memset(cap, 0, sizeof *cap);
628
629 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
630 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
631
632 if (!regs->type.vbi_type)
633 continue;
634
635 for (line = regs->type.ini_line;
636 line <= regs->type.end_line;
637 line++) {
638 cap->service_lines[0][line] |= regs->type.vbi_type;
639 }
640 cap->service_set |= regs->type.vbi_type;
641 }
642 return 0;
643}
644
645/* Set vbi processing
646 * type - one of tvp5150_vbi_types
647 * line - line to gather data
648 * fields: bit 0 field1, bit 1, field2
649 * flags (default=0xf0) is a bitmask, were set means:
650 * bit 7: enable filtering null bytes on CC
651 * bit 6: send data also to FIFO
652 * bit 5: don't allow data with errors on FIFO
653 * bit 4: enable ECC when possible
654 * pix_align = pix alignment:
655 * LSB = field1
656 * MSB = field2
657 */
658static int tvp5150_set_vbi(struct v4l2_subdev *sd,
659 unsigned int type,u8 flags, int line,
660 const int fields)
661{
662 struct tvp5150 *decoder = to_tvp5150(sd);
663 v4l2_std_id std = decoder->norm;
664 u8 reg;
665 int i, pos = 0;
666
667 if (std == V4L2_STD_ALL) {
668 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
669 return 0;
670 } else if (std & V4L2_STD_625_50) {
671 /* Don't follow NTSC Line number convension */
672 line += 3;
673 }
674
675 if (line < 6 || line > 27)
676 return 0;
677
678 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
679 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
680
681 if (!regs->type.vbi_type)
682 continue;
683
684 if ((type & regs->type.vbi_type) &&
685 (line >= regs->type.ini_line) &&
686 (line <= regs->type.end_line))
687 break;
688 pos++;
689 }
690
691 type = pos | (flags & 0xf0);
692 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
693
694 if (fields & 1)
695 tvp5150_write(sd, reg, type);
696
697 if (fields & 2)
698 tvp5150_write(sd, reg + 1, type);
699
700 return type;
701}
702
703static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
704{
705 struct tvp5150 *decoder = to_tvp5150(sd);
706 v4l2_std_id std = decoder->norm;
707 u8 reg;
708 int pos, type = 0;
709 int i, ret = 0;
710
711 if (std == V4L2_STD_ALL) {
712 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
713 return 0;
714 } else if (std & V4L2_STD_625_50) {
715 /* Don't follow NTSC Line number convension */
716 line += 3;
717 }
718
719 if (line < 6 || line > 27)
720 return 0;
721
722 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
723
724 for (i = 0; i <= 1; i++) {
725 ret = tvp5150_read(sd, reg + i);
726 if (ret < 0) {
727 dev_err(sd->dev, "%s: failed with error = %d\n",
728 __func__, ret);
729 return 0;
730 }
731 pos = ret & 0x0f;
732 if (pos < ARRAY_SIZE(vbi_ram_default))
733 type |= vbi_ram_default[pos].type.vbi_type;
734 }
735
736 return type;
737}
738
739static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
740{
741 struct tvp5150 *decoder = to_tvp5150(sd);
742 int fmt = 0;
743
744 decoder->norm = std;
745
746 /* First tests should be against specific std */
747
748 if (std == V4L2_STD_NTSC_443) {
749 fmt = VIDEO_STD_NTSC_4_43_BIT;
750 } else if (std == V4L2_STD_PAL_M) {
751 fmt = VIDEO_STD_PAL_M_BIT;
752 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
753 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
754 } else {
755 /* Then, test against generic ones */
756 if (std & V4L2_STD_NTSC)
757 fmt = VIDEO_STD_NTSC_MJ_BIT;
758 else if (std & V4L2_STD_PAL)
759 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
760 else if (std & V4L2_STD_SECAM)
761 fmt = VIDEO_STD_SECAM_BIT;
762 }
763
764 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
765 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
766 return 0;
767}
768
769static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
770{
771 struct tvp5150 *decoder = to_tvp5150(sd);
772
773 if (decoder->norm == std)
774 return 0;
775
776 /* Change cropping height limits */
777 if (std & V4L2_STD_525_60)
778 decoder->rect.height = TVP5150_V_MAX_525_60;
779 else
780 decoder->rect.height = TVP5150_V_MAX_OTHERS;
781
782
783 return tvp5150_set_std(sd, std);
784}
785
786static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
787{
788 struct tvp5150 *decoder = to_tvp5150(sd);
789
790 /* Initializes TVP5150 to its default values */
791 tvp5150_write_inittab(sd, tvp5150_init_default);
792
793 /* Initializes VDP registers */
794 tvp5150_vdp_init(sd);
795
796 /* Selects decoder input */
797 tvp5150_selmux(sd);
798
799 /* Initializes TVP5150 to stream enabled values */
800 tvp5150_write_inittab(sd, tvp5150_init_enable);
801
802 /* Initialize image preferences */
803 v4l2_ctrl_handler_setup(&decoder->hdl);
804
805 tvp5150_set_std(sd, decoder->norm);
806
807 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
808 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
809
810 return 0;
811};
812
813static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
814{
815 struct v4l2_subdev *sd = to_sd(ctrl);
816 struct tvp5150 *decoder = to_tvp5150(sd);
817
818 switch (ctrl->id) {
819 case V4L2_CID_BRIGHTNESS:
820 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
821 return 0;
822 case V4L2_CID_CONTRAST:
823 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
824 return 0;
825 case V4L2_CID_SATURATION:
826 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
827 return 0;
828 case V4L2_CID_HUE:
829 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
830 return 0;
831 case V4L2_CID_TEST_PATTERN:
832 decoder->enable = ctrl->val ? false : true;
833 tvp5150_selmux(sd);
834 return 0;
835 }
836 return -EINVAL;
837}
838
839static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
840{
841 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
842
843 switch (val & 0x0F) {
844 case 0x01:
845 return V4L2_STD_NTSC;
846 case 0x03:
847 return V4L2_STD_PAL;
848 case 0x05:
849 return V4L2_STD_PAL_M;
850 case 0x07:
851 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
852 case 0x09:
853 return V4L2_STD_NTSC_443;
854 case 0xb:
855 return V4L2_STD_SECAM;
856 default:
857 return V4L2_STD_UNKNOWN;
858 }
859}
860
861static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
862 struct v4l2_subdev_pad_config *cfg,
863 struct v4l2_subdev_format *format)
864{
865 struct v4l2_mbus_framefmt *f;
866 struct tvp5150 *decoder = to_tvp5150(sd);
867
868 if (!format || (format->pad != DEMOD_PAD_VID_OUT))
869 return -EINVAL;
870
871 f = &format->format;
872
873 f->width = decoder->rect.width;
874 f->height = decoder->rect.height / 2;
875
876 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
877 f->field = V4L2_FIELD_ALTERNATE;
878 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
879
880 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
881 f->height);
882 return 0;
883}
884
885static int tvp5150_set_selection(struct v4l2_subdev *sd,
886 struct v4l2_subdev_pad_config *cfg,
887 struct v4l2_subdev_selection *sel)
888{
889 struct tvp5150 *decoder = to_tvp5150(sd);
890 struct v4l2_rect rect = sel->r;
891 v4l2_std_id std;
892 int hmax;
893
894 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
895 sel->target != V4L2_SEL_TGT_CROP)
896 return -EINVAL;
897
898 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
899 __func__, rect.left, rect.top, rect.width, rect.height);
900
901 /* tvp5150 has some special limits */
902 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
903 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
904
905 /* Calculate height based on current standard */
906 if (decoder->norm == V4L2_STD_ALL)
907 std = tvp5150_read_std(sd);
908 else
909 std = decoder->norm;
910
911 if (std & V4L2_STD_525_60)
912 hmax = TVP5150_V_MAX_525_60;
913 else
914 hmax = TVP5150_V_MAX_OTHERS;
915
916 /*
917 * alignments:
918 * - width = 2 due to UYVY colorspace
919 * - height, image = no special alignment
920 */
921 v4l_bound_align_image(&rect.width,
922 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
923 TVP5150_H_MAX - rect.left, 1, &rect.height,
924 hmax - TVP5150_MAX_CROP_TOP - rect.top,
925 hmax - rect.top, 0, 0);
926
927 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
928 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
929 rect.top + rect.height - hmax);
930 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
931 rect.left >> TVP5150_CROP_SHIFT);
932 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
933 rect.left | (1 << TVP5150_CROP_SHIFT));
934 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
935 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
936 TVP5150_CROP_SHIFT);
937 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
938 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
939
940 decoder->rect = rect;
941
942 return 0;
943}
944
945static int tvp5150_get_selection(struct v4l2_subdev *sd,
946 struct v4l2_subdev_pad_config *cfg,
947 struct v4l2_subdev_selection *sel)
948{
949 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
950 v4l2_std_id std;
951
952 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
953 return -EINVAL;
954
955 switch (sel->target) {
956 case V4L2_SEL_TGT_CROP_BOUNDS:
957 case V4L2_SEL_TGT_CROP_DEFAULT:
958 sel->r.left = 0;
959 sel->r.top = 0;
960 sel->r.width = TVP5150_H_MAX;
961
962 /* Calculate height based on current standard */
963 if (decoder->norm == V4L2_STD_ALL)
964 std = tvp5150_read_std(sd);
965 else
966 std = decoder->norm;
967 if (std & V4L2_STD_525_60)
968 sel->r.height = TVP5150_V_MAX_525_60;
969 else
970 sel->r.height = TVP5150_V_MAX_OTHERS;
971 return 0;
972 case V4L2_SEL_TGT_CROP:
973 sel->r = decoder->rect;
974 return 0;
975 default:
976 return -EINVAL;
977 }
978}
979
980static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
981 struct v4l2_mbus_config *cfg)
982{
983 struct tvp5150 *decoder = to_tvp5150(sd);
984
985 cfg->type = decoder->mbus_type;
986 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
987 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
988
989 return 0;
990}
991
992/****************************************************************************
993 V4L2 subdev pad ops
994 ****************************************************************************/
995static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
996 struct v4l2_subdev_pad_config *cfg,
997 struct v4l2_subdev_mbus_code_enum *code)
998{
999 if (code->pad || code->index)
1000 return -EINVAL;
1001
1002 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
1003 return 0;
1004}
1005
1006static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1007 struct v4l2_subdev_pad_config *cfg,
1008 struct v4l2_subdev_frame_size_enum *fse)
1009{
1010 struct tvp5150 *decoder = to_tvp5150(sd);
1011
1012 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1013 return -EINVAL;
1014
1015 fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1016 fse->min_width = decoder->rect.width;
1017 fse->max_width = decoder->rect.width;
1018 fse->min_height = decoder->rect.height / 2;
1019 fse->max_height = decoder->rect.height / 2;
1020
1021 return 0;
1022}
1023
1024/****************************************************************************
1025 Media entity ops
1026 ****************************************************************************/
1027
1028#ifdef CONFIG_MEDIA_CONTROLLER
1029static int tvp5150_link_setup(struct media_entity *entity,
1030 const struct media_pad *local,
1031 const struct media_pad *remote, u32 flags)
1032{
1033 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1034 struct tvp5150 *decoder = to_tvp5150(sd);
1035 int i;
1036
1037 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1038 if (remote->entity == &decoder->input_ent[i])
1039 break;
1040 }
1041
1042 /* Do nothing for entities that are not input connectors */
1043 if (i == TVP5150_INPUT_NUM)
1044 return 0;
1045
1046 decoder->input = i;
1047
1048 tvp5150_selmux(sd);
1049
1050 return 0;
1051}
1052
1053static const struct media_entity_operations tvp5150_sd_media_ops = {
1054 .link_setup = tvp5150_link_setup,
1055};
1056#endif
1057
1058/****************************************************************************
1059 I2C Command
1060 ****************************************************************************/
1061
1062static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1063{
1064 struct tvp5150 *decoder = to_tvp5150(sd);
1065 int val;
1066
1067 /* Enable or disable the video output signals. */
1068 val = tvp5150_read(sd, TVP5150_MISC_CTL);
1069 if (val < 0)
1070 return val;
1071
1072 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1073 TVP5150_MISC_CTL_CLOCK_OE);
1074
1075 if (enable) {
1076 /*
1077 * Enable the YCbCr and clock outputs. In discrete sync mode
1078 * (non-BT.656) additionally enable the the sync outputs.
1079 */
1080 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1081 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1082 val |= TVP5150_MISC_CTL_SYNC_OE;
1083 }
1084
1085 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1086
1087 return 0;
1088}
1089
1090static int tvp5150_s_routing(struct v4l2_subdev *sd,
1091 u32 input, u32 output, u32 config)
1092{
1093 struct tvp5150 *decoder = to_tvp5150(sd);
1094
1095 decoder->input = input;
1096 decoder->output = output;
1097
1098 if (output == TVP5150_BLACK_SCREEN)
1099 decoder->enable = false;
1100 else
1101 decoder->enable = true;
1102
1103 tvp5150_selmux(sd);
1104 return 0;
1105}
1106
1107static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1108{
1109 /* this is for capturing 36 raw vbi lines
1110 if there's a way to cut off the beginning 2 vbi lines
1111 with the tvp5150 then the vbi line count could be lowered
1112 to 17 lines/field again, although I couldn't find a register
1113 which could do that cropping */
1114 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1115 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1116 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1117 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1118 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1119 }
1120 return 0;
1121}
1122
1123static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1124{
1125 int i;
1126
1127 if (svbi->service_set != 0) {
1128 for (i = 0; i <= 23; i++) {
1129 svbi->service_lines[1][i] = 0;
1130 svbi->service_lines[0][i] =
1131 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1132 0xf0, i, 3);
1133 }
1134 /* Enables FIFO */
1135 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1136 } else {
1137 /* Disables FIFO*/
1138 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1139
1140 /* Disable Full Field */
1141 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1142
1143 /* Disable Line modes */
1144 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1145 tvp5150_write(sd, i, 0xff);
1146 }
1147 return 0;
1148}
1149
1150static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1151{
1152 int i, mask = 0;
1153
1154 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1155
1156 for (i = 0; i <= 23; i++) {
1157 svbi->service_lines[0][i] =
1158 tvp5150_get_vbi(sd, i);
1159 mask |= svbi->service_lines[0][i];
1160 }
1161 svbi->service_set = mask;
1162 return 0;
1163}
1164
1165#ifdef CONFIG_VIDEO_ADV_DEBUG
1166static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1167{
1168 int res;
1169
1170 res = tvp5150_read(sd, reg->reg & 0xff);
1171 if (res < 0) {
1172 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1173 return res;
1174 }
1175
1176 reg->val = res;
1177 reg->size = 1;
1178 return 0;
1179}
1180
1181static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1182{
1183 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1184}
1185#endif
1186
1187static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1188{
1189 int status = tvp5150_read(sd, 0x88);
1190
1191 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1192 return 0;
1193}
1194
1195static int tvp5150_registered(struct v4l2_subdev *sd)
1196{
1197#ifdef CONFIG_MEDIA_CONTROLLER
1198 struct tvp5150 *decoder = to_tvp5150(sd);
1199 int ret = 0;
1200 int i;
1201
1202 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1203 struct media_entity *input = &decoder->input_ent[i];
1204 struct media_pad *pad = &decoder->input_pad[i];
1205
1206 if (!input->name)
1207 continue;
1208
1209 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1210
1211 ret = media_entity_pads_init(input, 1, pad);
1212 if (ret < 0)
1213 return ret;
1214
1215 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1216 if (ret < 0)
1217 return ret;
1218
1219 ret = media_create_pad_link(input, 0, &sd->entity,
1220 DEMOD_PAD_IF_INPUT, 0);
1221 if (ret < 0) {
1222 media_device_unregister_entity(input);
1223 return ret;
1224 }
1225 }
1226#endif
1227
1228 return 0;
1229}
1230
1231/* ----------------------------------------------------------------------- */
1232
1233static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1234 .s_ctrl = tvp5150_s_ctrl,
1235};
1236
1237static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1238 .log_status = tvp5150_log_status,
1239 .reset = tvp5150_reset,
1240#ifdef CONFIG_VIDEO_ADV_DEBUG
1241 .g_register = tvp5150_g_register,
1242 .s_register = tvp5150_s_register,
1243#endif
1244};
1245
1246static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1247 .g_tuner = tvp5150_g_tuner,
1248};
1249
1250static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1251 .s_std = tvp5150_s_std,
1252 .s_stream = tvp5150_s_stream,
1253 .s_routing = tvp5150_s_routing,
1254 .g_mbus_config = tvp5150_g_mbus_config,
1255};
1256
1257static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1258 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1259 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1260 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1261 .s_raw_fmt = tvp5150_s_raw_fmt,
1262};
1263
1264static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1265 .enum_mbus_code = tvp5150_enum_mbus_code,
1266 .enum_frame_size = tvp5150_enum_frame_size,
1267 .set_fmt = tvp5150_fill_fmt,
1268 .get_fmt = tvp5150_fill_fmt,
1269 .get_selection = tvp5150_get_selection,
1270 .set_selection = tvp5150_set_selection,
1271};
1272
1273static const struct v4l2_subdev_ops tvp5150_ops = {
1274 .core = &tvp5150_core_ops,
1275 .tuner = &tvp5150_tuner_ops,
1276 .video = &tvp5150_video_ops,
1277 .vbi = &tvp5150_vbi_ops,
1278 .pad = &tvp5150_pad_ops,
1279};
1280
1281static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1282 .registered = tvp5150_registered,
1283};
1284
1285
1286/****************************************************************************
1287 I2C Client & Driver
1288 ****************************************************************************/
1289
1290static int tvp5150_detect_version(struct tvp5150 *core)
1291{
1292 struct v4l2_subdev *sd = &core->sd;
1293 struct i2c_client *c = v4l2_get_subdevdata(sd);
1294 unsigned int i;
1295 u8 regs[4];
1296 int res;
1297
1298 /*
1299 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1300 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1301 */
1302 for (i = 0; i < 4; i++) {
1303 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1304 if (res < 0)
1305 return res;
1306 regs[i] = res;
1307 }
1308
1309 core->dev_id = (regs[0] << 8) | regs[1];
1310 core->rom_ver = (regs[2] << 8) | regs[3];
1311
1312 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1313 core->dev_id, regs[2], regs[3], c->addr << 1,
1314 c->adapter->name);
1315
1316 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1317 dev_info(sd->dev, "tvp5150a detected.\n");
1318 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1319 dev_info(sd->dev, "tvp5150am1 detected.\n");
1320
1321 /* ITU-T BT.656.4 timing */
1322 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1323 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1324 dev_info(sd->dev, "tvp5151 detected.\n");
1325 } else {
1326 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1327 core->dev_id);
1328 }
1329
1330 return 0;
1331}
1332
1333static int tvp5150_init(struct i2c_client *c)
1334{
1335 struct gpio_desc *pdn_gpio;
1336 struct gpio_desc *reset_gpio;
1337
1338 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1339 if (IS_ERR(pdn_gpio))
1340 return PTR_ERR(pdn_gpio);
1341
1342 if (pdn_gpio) {
1343 gpiod_set_value_cansleep(pdn_gpio, 0);
1344 /* Delay time between power supplies active and reset */
1345 msleep(20);
1346 }
1347
1348 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1349 if (IS_ERR(reset_gpio))
1350 return PTR_ERR(reset_gpio);
1351
1352 if (reset_gpio) {
1353 /* RESETB pulse duration */
1354 ndelay(500);
1355 gpiod_set_value_cansleep(reset_gpio, 0);
1356 /* Delay time between end of reset to I2C active */
1357 usleep_range(200, 250);
1358 }
1359
1360 return 0;
1361}
1362
1363static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1364{
1365 struct v4l2_fwnode_endpoint bus_cfg;
1366 struct device_node *ep;
1367#ifdef CONFIG_MEDIA_CONTROLLER
1368 struct device_node *connectors, *child;
1369 struct media_entity *input;
1370 const char *name;
1371 u32 input_type;
1372#endif
1373 unsigned int flags;
1374 int ret = 0;
1375
1376 ep = of_graph_get_next_endpoint(np, NULL);
1377 if (!ep)
1378 return -EINVAL;
1379
1380 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1381 if (ret)
1382 goto err;
1383
1384 flags = bus_cfg.bus.parallel.flags;
1385
1386 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1387 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1388 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1389 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1390 ret = -EINVAL;
1391 goto err;
1392 }
1393
1394 decoder->mbus_type = bus_cfg.bus_type;
1395
1396#ifdef CONFIG_MEDIA_CONTROLLER
1397 connectors = of_get_child_by_name(np, "connectors");
1398
1399 if (!connectors)
1400 goto err;
1401
1402 for_each_available_child_of_node(connectors, child) {
1403 ret = of_property_read_u32(child, "input", &input_type);
1404 if (ret) {
1405 dev_err(decoder->sd.dev,
1406 "missing type property in node %s\n",
1407 child->name);
1408 goto err_connector;
1409 }
1410
1411 if (input_type >= TVP5150_INPUT_NUM) {
1412 ret = -EINVAL;
1413 goto err_connector;
1414 }
1415
1416 input = &decoder->input_ent[input_type];
1417
1418 /* Each input connector can only be defined once */
1419 if (input->name) {
1420 dev_err(decoder->sd.dev,
1421 "input %s with same type already exists\n",
1422 input->name);
1423 ret = -EINVAL;
1424 goto err_connector;
1425 }
1426
1427 switch (input_type) {
1428 case TVP5150_COMPOSITE0:
1429 case TVP5150_COMPOSITE1:
1430 input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1431 break;
1432 case TVP5150_SVIDEO:
1433 input->function = MEDIA_ENT_F_CONN_SVIDEO;
1434 break;
1435 }
1436
1437 input->flags = MEDIA_ENT_FL_CONNECTOR;
1438
1439 ret = of_property_read_string(child, "label", &name);
1440 if (ret < 0) {
1441 dev_err(decoder->sd.dev,
1442 "missing label property in node %s\n",
1443 child->name);
1444 goto err_connector;
1445 }
1446
1447 input->name = name;
1448 }
1449
1450err_connector:
1451 of_node_put(connectors);
1452#endif
1453err:
1454 of_node_put(ep);
1455 return ret;
1456}
1457
1458static const char * const tvp5150_test_patterns[2] = {
1459 "Disabled",
1460 "Black screen"
1461};
1462
1463static int tvp5150_probe(struct i2c_client *c,
1464 const struct i2c_device_id *id)
1465{
1466 struct tvp5150 *core;
1467 struct v4l2_subdev *sd;
1468 struct device_node *np = c->dev.of_node;
1469 int res;
1470
1471 /* Check if the adapter supports the needed features */
1472 if (!i2c_check_functionality(c->adapter,
1473 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1474 return -EIO;
1475
1476 res = tvp5150_init(c);
1477 if (res)
1478 return res;
1479
1480 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1481 if (!core)
1482 return -ENOMEM;
1483
1484 sd = &core->sd;
1485
1486 if (IS_ENABLED(CONFIG_OF) && np) {
1487 res = tvp5150_parse_dt(core, np);
1488 if (res) {
1489 dev_err(sd->dev, "DT parsing error: %d\n", res);
1490 return res;
1491 }
1492 } else {
1493 /* Default to BT.656 embedded sync */
1494 core->mbus_type = V4L2_MBUS_BT656;
1495 }
1496
1497 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1498 sd->internal_ops = &tvp5150_internal_ops;
1499 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1500
1501#if defined(CONFIG_MEDIA_CONTROLLER)
1502 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1503 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1504 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1505
1506 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1507
1508 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1509 if (res < 0)
1510 return res;
1511
1512 sd->entity.ops = &tvp5150_sd_media_ops;
1513#endif
1514
1515 res = tvp5150_detect_version(core);
1516 if (res < 0)
1517 return res;
1518
1519 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1520 core->input = TVP5150_COMPOSITE1;
1521 core->enable = true;
1522
1523 v4l2_ctrl_handler_init(&core->hdl, 5);
1524 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1525 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1526 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1527 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1528 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1529 V4L2_CID_SATURATION, 0, 255, 1, 128);
1530 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1531 V4L2_CID_HUE, -128, 127, 1, 0);
1532 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1533 V4L2_CID_PIXEL_RATE, 27000000,
1534 27000000, 1, 27000000);
1535 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1536 V4L2_CID_TEST_PATTERN,
1537 ARRAY_SIZE(tvp5150_test_patterns) - 1,
1538 0, 0, tvp5150_test_patterns);
1539 sd->ctrl_handler = &core->hdl;
1540 if (core->hdl.error) {
1541 res = core->hdl.error;
1542 goto err;
1543 }
1544
1545 /* Default is no cropping */
1546 core->rect.top = 0;
1547 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1548 core->rect.height = TVP5150_V_MAX_525_60;
1549 else
1550 core->rect.height = TVP5150_V_MAX_OTHERS;
1551 core->rect.left = 0;
1552 core->rect.width = TVP5150_H_MAX;
1553
1554 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
1555
1556 res = v4l2_async_register_subdev(sd);
1557 if (res < 0)
1558 goto err;
1559
1560 if (debug > 1)
1561 tvp5150_log_status(sd);
1562 return 0;
1563
1564err:
1565 v4l2_ctrl_handler_free(&core->hdl);
1566 return res;
1567}
1568
1569static int tvp5150_remove(struct i2c_client *c)
1570{
1571 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1572 struct tvp5150 *decoder = to_tvp5150(sd);
1573
1574 dev_dbg_lvl(sd->dev, 1, debug,
1575 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1576 c->addr << 1);
1577
1578 v4l2_async_unregister_subdev(sd);
1579 v4l2_ctrl_handler_free(&decoder->hdl);
1580 return 0;
1581}
1582
1583/* ----------------------------------------------------------------------- */
1584
1585static const struct i2c_device_id tvp5150_id[] = {
1586 { "tvp5150", 0 },
1587 { }
1588};
1589MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1590
1591#if IS_ENABLED(CONFIG_OF)
1592static const struct of_device_id tvp5150_of_match[] = {
1593 { .compatible = "ti,tvp5150", },
1594 { /* sentinel */ },
1595};
1596MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1597#endif
1598
1599static struct i2c_driver tvp5150_driver = {
1600 .driver = {
1601 .of_match_table = of_match_ptr(tvp5150_of_match),
1602 .name = "tvp5150",
1603 },
1604 .probe = tvp5150_probe,
1605 .remove = tvp5150_remove,
1606 .id_table = tvp5150_id,
1607};
1608
1609module_i2c_driver(tvp5150_driver);