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WIP FPC-III support
[linux/fpc-iii.git] / drivers / media / i2c / tvp5150.c
blobe26e3f54405490d273115960171db7b51cad1f5a
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // tvp5150 - Texas Instruments TVP5150A/AM1 and TVP5151 video decoder driver
4 //
5 // Copyright (c) 2005,2006 Mauro Carvalho Chehab <mchehab@kernel.org>
6
7 #include <dt-bindings/media/tvp5150.h>
8 #include <linux/i2c.h>
9 #include <linux/slab.h>
10 #include <linux/videodev2.h>
11 #include <linux/delay.h>
12 #include <linux/gpio/consumer.h>
13 #include <linux/interrupt.h>
14 #include <linux/module.h>
15 #include <linux/of_graph.h>
16 #include <linux/pm_runtime.h>
17 #include <linux/regmap.h>
18 #include <media/v4l2-async.h>
19 #include <media/v4l2-device.h>
20 #include <media/v4l2-event.h>
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-fwnode.h>
23 #include <media/v4l2-mc.h>
24 #include <media/v4l2-rect.h>
25
26 #include "tvp5150_reg.h"
27
28 #define TVP5150_H_MAX 720U
29 #define TVP5150_V_MAX_525_60 480U
30 #define TVP5150_V_MAX_OTHERS 576U
31 #define TVP5150_MAX_CROP_LEFT 511
32 #define TVP5150_MAX_CROP_TOP 127
33 #define TVP5150_CROP_SHIFT 2
34 #define TVP5150_MBUS_FMT MEDIA_BUS_FMT_UYVY8_2X8
35 #define TVP5150_FIELD V4L2_FIELD_ALTERNATE
36 #define TVP5150_COLORSPACE V4L2_COLORSPACE_SMPTE170M
37 #define TVP5150_STD_MASK (V4L2_STD_NTSC | \
38 V4L2_STD_NTSC_443 | \
39 V4L2_STD_PAL | \
40 V4L2_STD_PAL_M | \
41 V4L2_STD_PAL_N | \
42 V4L2_STD_PAL_Nc | \
43 V4L2_STD_SECAM)
44
45 #define TVP5150_MAX_CONNECTORS 3 /* Check dt-bindings for more information */
46
47 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
48 MODULE_AUTHOR("Mauro Carvalho Chehab");
49 MODULE_LICENSE("GPL v2");
50
51
52 static int debug;
53 module_param(debug, int, 0644);
54 MODULE_PARM_DESC(debug, "Debug level (0-2)");
55
56 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
57
58 enum tvp5150_pads {
59 TVP5150_PAD_AIP1A,
60 TVP5150_PAD_AIP1B,
61 TVP5150_PAD_VID_OUT,
62 TVP5150_NUM_PADS
63 };
64
65 struct tvp5150_connector {
66 struct v4l2_fwnode_connector base;
67 struct media_entity ent;
68 struct media_pad pad;
69 };
70
71 struct tvp5150 {
72 struct v4l2_subdev sd;
73
74 struct media_pad pads[TVP5150_NUM_PADS];
75 struct tvp5150_connector connectors[TVP5150_MAX_CONNECTORS];
76 struct tvp5150_connector *cur_connector;
77 unsigned int connectors_num;
78
79 struct v4l2_ctrl_handler hdl;
80 struct v4l2_rect rect;
81 struct regmap *regmap;
82 int irq;
83
84 v4l2_std_id norm; /* Current set standard */
85 v4l2_std_id detected_norm;
86 u32 input;
87 u32 output;
88 u32 oe;
89 int enable;
90 bool lock;
91
92 u16 dev_id;
93 u16 rom_ver;
94
95 enum v4l2_mbus_type mbus_type;
96 };
97
98 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
99 {
100 return container_of(sd, struct tvp5150, sd);
101 }
102
103 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
104 {
105 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
106 }
107
108 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
109 {
110 struct tvp5150 *decoder = to_tvp5150(sd);
111 int ret, val;
112
113 ret = regmap_read(decoder->regmap, addr, &val);
114 if (ret < 0)
115 return ret;
116
117 return val;
118 }
119
120 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
121 const u8 end, int max_line)
122 {
123 u8 buf[16];
124 int i = 0, j, len;
125
126 if (max_line > 16) {
127 dprintk0(sd->dev, "too much data to dump\n");
128 return;
129 }
130
131 for (i = init; i < end; i += max_line) {
132 len = (end - i > max_line) ? max_line : end - i;
133
134 for (j = 0; j < len; j++)
135 buf[j] = tvp5150_read(sd, i + j);
136
137 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
138 }
139 }
140
141 static int tvp5150_log_status(struct v4l2_subdev *sd)
142 {
143 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
144 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
145 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
146 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
147 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
148 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
149 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
150 tvp5150_read(sd, TVP5150_MISC_CTL));
151 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
152 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
153 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
154 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
155 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
156 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
157 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
158 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
159 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
160 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
161 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_SATURATION_CTL));
163 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
164 tvp5150_read(sd, TVP5150_HUE_CTL));
165 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
166 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
167 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
168 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
169 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
170 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
171 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
172 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
173 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
174 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",
175 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
176 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
177 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
178 tvp5150_read(sd, TVP5150_GENLOCK));
179 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
180 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
181 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
182 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
183 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
184 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
185 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
186 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
187 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
188 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
189 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
190 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
191 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
192 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
193 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
194 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
195 tvp5150_read(sd, TVP5150_VIDEO_STD));
196 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
197 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
198 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
199 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
200 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
201 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
202 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
203 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
204 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
205 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
206 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
207 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
208 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
209 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
210 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
211 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
212 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
213 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
214 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
216 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
217 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
218 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
219 tvp5150_read(sd, TVP5150_STATUS_REG_1),
220 tvp5150_read(sd, TVP5150_STATUS_REG_2),
221 tvp5150_read(sd, TVP5150_STATUS_REG_3),
222 tvp5150_read(sd, TVP5150_STATUS_REG_4),
223 tvp5150_read(sd, TVP5150_STATUS_REG_5));
224
225 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
226 TVP5150_TELETEXT_FIL1_END, 8);
227 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
228 TVP5150_TELETEXT_FIL2_END, 8);
229
230 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
231 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
232 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
233 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
234 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
235 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
236 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
237 tvp5150_read(sd, TVP5150_INT_CONF));
238 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
239 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
240 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
241 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
242 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
243 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
244 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
245 tvp5150_read(sd, TVP5150_FIFO_RESET));
246 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
247 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
248 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
249 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
250 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
251 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
252 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
253 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
254 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
255 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
256 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
257
258 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
259 TVP5150_CC_DATA_END, 8);
260
261 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
262 TVP5150_WSS_DATA_END, 8);
263
264 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
265 TVP5150_VPS_DATA_END, 8);
266
267 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
268 TVP5150_VITC_DATA_END, 10);
269
270 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
271 TVP5150_LINE_MODE_END, 8);
272 return 0;
273 }
274
275 /****************************************************************************
276 Basic functions
277 ****************************************************************************/
278
279 static void tvp5150_selmux(struct v4l2_subdev *sd)
280 {
281 int opmode = 0;
282 struct tvp5150 *decoder = to_tvp5150(sd);
283 unsigned int mask, val;
284 int input = 0;
285
286 /* Only tvp5150am1 and tvp5151 have signal generator support */
287 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
288 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
289 if (!decoder->enable)
290 input = 8;
291 }
292
293 switch (decoder->input) {
294 case TVP5150_COMPOSITE1:
295 input |= 2;
296 fallthrough;
297 case TVP5150_COMPOSITE0:
298 break;
299 case TVP5150_SVIDEO:
300 default:
301 input |= 1;
302 break;
303 }
304
305 dev_dbg_lvl(sd->dev, 1, debug,
306 "Selecting video route: route input=%s, output=%s => tvp5150 input=0x%02x, opmode=0x%02x\n",
307 decoder->input == 0 ? "aip1a" :
308 decoder->input == 2 ? "aip1b" : "svideo",
309 decoder->output == 0 ? "normal" : "black-frame-gen",
310 input, opmode);
311
312 regmap_write(decoder->regmap, TVP5150_OP_MODE_CTL, opmode);
313 regmap_write(decoder->regmap, TVP5150_VD_IN_SRC_SEL_1, input);
314
315 /*
316 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
317 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
318 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
319 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
320 * INTREQ/GPCL/VBLK to logic 1.
321 */
322 mask = TVP5150_MISC_CTL_GPCL | TVP5150_MISC_CTL_HVLK;
323 if (decoder->input == TVP5150_SVIDEO)
324 val = TVP5150_MISC_CTL_HVLK;
325 else
326 val = TVP5150_MISC_CTL_GPCL;
327 regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
328 };
329
330 struct i2c_reg_value {
331 unsigned char reg;
332 unsigned char value;
333 };
334
335 /* Default values as sugested at TVP5150AM1 datasheet */
336 static const struct i2c_reg_value tvp5150_init_default[] = {
337 { /* 0x00 */
338 TVP5150_VD_IN_SRC_SEL_1, 0x00
339 },
340 { /* 0x01 */
341 TVP5150_ANAL_CHL_CTL, 0x15
342 },
343 { /* 0x02 */
344 TVP5150_OP_MODE_CTL, 0x00
345 },
346 { /* 0x03 */
347 TVP5150_MISC_CTL, 0x01
348 },
349 { /* 0x06 */
350 TVP5150_COLOR_KIL_THSH_CTL, 0x10
351 },
352 { /* 0x07 */
353 TVP5150_LUMA_PROC_CTL_1, 0x60
354 },
355 { /* 0x08 */
356 TVP5150_LUMA_PROC_CTL_2, 0x00
357 },
358 { /* 0x09 */
359 TVP5150_BRIGHT_CTL, 0x80
360 },
361 { /* 0x0a */
362 TVP5150_SATURATION_CTL, 0x80
363 },
364 { /* 0x0b */
365 TVP5150_HUE_CTL, 0x00
366 },
367 { /* 0x0c */
368 TVP5150_CONTRAST_CTL, 0x80
369 },
370 { /* 0x0d */
371 TVP5150_DATA_RATE_SEL, 0x47
372 },
373 { /* 0x0e */
374 TVP5150_LUMA_PROC_CTL_3, 0x00
375 },
376 { /* 0x0f */
377 TVP5150_CONF_SHARED_PIN, 0x08
378 },
379 { /* 0x11 */
380 TVP5150_ACT_VD_CROP_ST_MSB, 0x00
381 },
382 { /* 0x12 */
383 TVP5150_ACT_VD_CROP_ST_LSB, 0x00
384 },
385 { /* 0x13 */
386 TVP5150_ACT_VD_CROP_STP_MSB, 0x00
387 },
388 { /* 0x14 */
389 TVP5150_ACT_VD_CROP_STP_LSB, 0x00
390 },
391 { /* 0x15 */
392 TVP5150_GENLOCK, 0x01
393 },
394 { /* 0x16 */
395 TVP5150_HORIZ_SYNC_START, 0x80
396 },
397 { /* 0x18 */
398 TVP5150_VERT_BLANKING_START, 0x00
399 },
400 { /* 0x19 */
401 TVP5150_VERT_BLANKING_STOP, 0x00
402 },
403 { /* 0x1a */
404 TVP5150_CHROMA_PROC_CTL_1, 0x0c
405 },
406 { /* 0x1b */
407 TVP5150_CHROMA_PROC_CTL_2, 0x14
408 },
409 { /* 0x1c */
410 TVP5150_INT_RESET_REG_B, 0x00
411 },
412 { /* 0x1d */
413 TVP5150_INT_ENABLE_REG_B, 0x00
414 },
415 { /* 0x1e */
416 TVP5150_INTT_CONFIG_REG_B, 0x00
417 },
418 { /* 0x28 */
419 TVP5150_VIDEO_STD, 0x00
420 },
421 { /* 0x2e */
422 TVP5150_MACROVISION_ON_CTR, 0x0f
423 },
424 { /* 0x2f */
425 TVP5150_MACROVISION_OFF_CTR, 0x01
426 },
427 { /* 0xbb */
428 TVP5150_TELETEXT_FIL_ENA, 0x00
429 },
430 { /* 0xc0 */
431 TVP5150_INT_STATUS_REG_A, 0x00
432 },
433 { /* 0xc1 */
434 TVP5150_INT_ENABLE_REG_A, 0x00
435 },
436 { /* 0xc2 */
437 TVP5150_INT_CONF, 0x04
438 },
439 { /* 0xc8 */
440 TVP5150_FIFO_INT_THRESHOLD, 0x80
441 },
442 { /* 0xc9 */
443 TVP5150_FIFO_RESET, 0x00
444 },
445 { /* 0xca */
446 TVP5150_LINE_NUMBER_INT, 0x00
447 },
448 { /* 0xcb */
449 TVP5150_PIX_ALIGN_REG_LOW, 0x4e
450 },
451 { /* 0xcc */
452 TVP5150_PIX_ALIGN_REG_HIGH, 0x00
453 },
454 { /* 0xcd */
455 TVP5150_FIFO_OUT_CTRL, 0x01
456 },
457 { /* 0xcf */
458 TVP5150_FULL_FIELD_ENA, 0x00
459 },
460 { /* 0xd0 */
461 TVP5150_LINE_MODE_INI, 0x00
462 },
463 { /* 0xfc */
464 TVP5150_FULL_FIELD_MODE_REG, 0x7f
465 },
466 { /* end of data */
467 0xff, 0xff
468 }
469 };
470
471 /* Default values as sugested at TVP5150AM1 datasheet */
472 static const struct i2c_reg_value tvp5150_init_enable[] = {
473 { /* Automatic offset and AGC enabled */
474 TVP5150_ANAL_CHL_CTL, 0x15
475 }, { /* Activate YCrCb output 0x9 or 0xd ? */
476 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
477 TVP5150_MISC_CTL_INTREQ_OE |
478 TVP5150_MISC_CTL_YCBCR_OE |
479 TVP5150_MISC_CTL_SYNC_OE |
480 TVP5150_MISC_CTL_VBLANK |
481 TVP5150_MISC_CTL_CLOCK_OE,
482 }, { /* Activates video std autodetection for all standards */
483 TVP5150_AUTOSW_MSK, 0x0
484 }, { /* Default format: 0x47. For 4:2:2: 0x40 */
485 TVP5150_DATA_RATE_SEL, 0x47
486 }, {
487 TVP5150_CHROMA_PROC_CTL_1, 0x0c
488 }, {
489 TVP5150_CHROMA_PROC_CTL_2, 0x54
490 }, { /* Non documented, but initialized on WinTV USB2 */
491 0x27, 0x20
492 }, {
493 0xff, 0xff
494 }
495 };
496
497 struct tvp5150_vbi_type {
498 unsigned int vbi_type;
499 unsigned int ini_line;
500 unsigned int end_line;
501 unsigned int by_field :1;
502 };
503
504 struct i2c_vbi_ram_value {
505 u16 reg;
506 struct tvp5150_vbi_type type;
507 unsigned char values[16];
508 };
509
510 /* This struct have the values for each supported VBI Standard
511 * by
512 tvp5150_vbi_types should follow the same order as vbi_ram_default
513 * value 0 means rom position 0x10, value 1 means rom position 0x30
514 * and so on. There are 16 possible locations from 0 to 15.
515 */
516
517 static struct i2c_vbi_ram_value vbi_ram_default[] = {
518
519 /*
520 * FIXME: Current api doesn't handle all VBI types, those not
521 * yet supported are placed under #if 0
522 */
523 #if 0
524 [0] = {0x010, /* Teletext, SECAM, WST System A */
525 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
526 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
527 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
528 },
529 #endif
530 [1] = {0x030, /* Teletext, PAL, WST System B */
531 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
532 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
533 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
534 },
535 #if 0
536 [2] = {0x050, /* Teletext, PAL, WST System C */
537 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
538 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
539 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
540 },
541 [3] = {0x070, /* Teletext, NTSC, WST System B */
542 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
543 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
544 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
545 },
546 [4] = {0x090, /* Tetetext, NTSC NABTS System C */
547 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
548 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
549 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
550 },
551 [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
552 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
553 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
554 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
555 },
556 [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
557 {V4L2_SLICED_CAPTION_625, 22, 22, 1},
558 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
559 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
560 },
561 #endif
562 [7] = {0x0f0, /* Closed Caption, NTSC */
563 {V4L2_SLICED_CAPTION_525, 21, 21, 1},
564 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
565 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
566 },
567 [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
568 {V4L2_SLICED_WSS_625, 23, 23, 1},
569 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
570 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
571 },
572 #if 0
573 [9] = {0x130, /* Wide Screen Signal, NTSC C */
574 {V4L2_SLICED_WSS_525, 20, 20, 1},
575 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
576 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
577 },
578 [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
579 {V4l2_SLICED_VITC_625, 6, 22, 0},
580 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
581 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
582 },
583 [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
584 {V4l2_SLICED_VITC_525, 10, 20, 0},
585 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
586 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
587 },
588 #endif
589 [12] = {0x190, /* Video Program System (VPS), PAL */
590 {V4L2_SLICED_VPS, 16, 16, 0},
591 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
592 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
593 },
594 /* 0x1d0 User programmable */
595 };
596
597 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
598 const struct i2c_reg_value *regs)
599 {
600 struct tvp5150 *decoder = to_tvp5150(sd);
601
602 while (regs->reg != 0xff) {
603 regmap_write(decoder->regmap, regs->reg, regs->value);
604 regs++;
605 }
606 return 0;
607 }
608
609 static int tvp5150_vdp_init(struct v4l2_subdev *sd)
610 {
611 struct tvp5150 *decoder = to_tvp5150(sd);
612 struct regmap *map = decoder->regmap;
613 unsigned int i;
614 int j;
615
616 /* Disable Full Field */
617 regmap_write(map, TVP5150_FULL_FIELD_ENA, 0);
618
619 /* Before programming, Line mode should be at 0xff */
620 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
621 regmap_write(map, i, 0xff);
622
623 /* Load Ram Table */
624 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
625 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
626
627 if (!regs->type.vbi_type)
628 continue;
629
630 regmap_write(map, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
631 regmap_write(map, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
632
633 for (i = 0; i < 16; i++)
634 regmap_write(map, TVP5150_VDP_CONF_RAM_DATA,
635 regs->values[i]);
636 }
637 return 0;
638 }
639
640 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
641 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
642 struct v4l2_sliced_vbi_cap *cap)
643 {
644 int line, i;
645
646 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
647 memset(cap, 0, sizeof(*cap));
648
649 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
650 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
651
652 if (!regs->type.vbi_type)
653 continue;
654
655 for (line = regs->type.ini_line;
656 line <= regs->type.end_line;
657 line++) {
658 cap->service_lines[0][line] |= regs->type.vbi_type;
659 }
660 cap->service_set |= regs->type.vbi_type;
661 }
662 return 0;
663 }
664
665 /* Set vbi processing
666 * type - one of tvp5150_vbi_types
667 * line - line to gather data
668 * fields: bit 0 field1, bit 1, field2
669 * flags (default=0xf0) is a bitmask, were set means:
670 * bit 7: enable filtering null bytes on CC
671 * bit 6: send data also to FIFO
672 * bit 5: don't allow data with errors on FIFO
673 * bit 4: enable ECC when possible
674 * pix_align = pix alignment:
675 * LSB = field1
676 * MSB = field2
677 */
678 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
679 unsigned int type, u8 flags, int line,
680 const int fields)
681 {
682 struct tvp5150 *decoder = to_tvp5150(sd);
683 v4l2_std_id std = decoder->norm;
684 u8 reg;
685 int i, pos = 0;
686
687 if (std == V4L2_STD_ALL) {
688 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
689 return 0;
690 } else if (std & V4L2_STD_625_50) {
691 /* Don't follow NTSC Line number convension */
692 line += 3;
693 }
694
695 if (line < 6 || line > 27)
696 return 0;
697
698 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
699 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
700
701 if (!regs->type.vbi_type)
702 continue;
703
704 if ((type & regs->type.vbi_type) &&
705 (line >= regs->type.ini_line) &&
706 (line <= regs->type.end_line))
707 break;
708 pos++;
709 }
710
711 type = pos | (flags & 0xf0);
712 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
713
714 if (fields & 1)
715 regmap_write(decoder->regmap, reg, type);
716
717 if (fields & 2)
718 regmap_write(decoder->regmap, reg + 1, type);
719
720 return type;
721 }
722
723 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
724 {
725 struct tvp5150 *decoder = to_tvp5150(sd);
726 v4l2_std_id std = decoder->norm;
727 u8 reg;
728 int pos, type = 0;
729 int i, ret = 0;
730
731 if (std == V4L2_STD_ALL) {
732 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
733 return 0;
734 } else if (std & V4L2_STD_625_50) {
735 /* Don't follow NTSC Line number convension */
736 line += 3;
737 }
738
739 if (line < 6 || line > 27)
740 return 0;
741
742 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
743
744 for (i = 0; i <= 1; i++) {
745 ret = tvp5150_read(sd, reg + i);
746 if (ret < 0) {
747 dev_err(sd->dev, "%s: failed with error = %d\n",
748 __func__, ret);
749 return 0;
750 }
751 pos = ret & 0x0f;
752 if (pos < ARRAY_SIZE(vbi_ram_default))
753 type |= vbi_ram_default[pos].type.vbi_type;
754 }
755
756 return type;
757 }
758
759 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
760 {
761 struct tvp5150 *decoder = to_tvp5150(sd);
762 int fmt = 0;
763
764 /* First tests should be against specific std */
765
766 if (std == V4L2_STD_NTSC_443) {
767 fmt = VIDEO_STD_NTSC_4_43_BIT;
768 } else if (std == V4L2_STD_PAL_M) {
769 fmt = VIDEO_STD_PAL_M_BIT;
770 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
771 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
772 } else {
773 /* Then, test against generic ones */
774 if (std & V4L2_STD_NTSC)
775 fmt = VIDEO_STD_NTSC_MJ_BIT;
776 else if (std & V4L2_STD_PAL)
777 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
778 else if (std & V4L2_STD_SECAM)
779 fmt = VIDEO_STD_SECAM_BIT;
780 }
781
782 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
783 regmap_write(decoder->regmap, TVP5150_VIDEO_STD, fmt);
784 return 0;
785 }
786
787 static int tvp5150_g_std(struct v4l2_subdev *sd, v4l2_std_id *std)
788 {
789 struct tvp5150 *decoder = to_tvp5150(sd);
790
791 *std = decoder->norm;
792
793 return 0;
794 }
795
796 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
797 {
798 struct tvp5150 *decoder = to_tvp5150(sd);
799 struct tvp5150_connector *cur_con = decoder->cur_connector;
800 v4l2_std_id supported_stds;
801
802 if (decoder->norm == std)
803 return 0;
804
805 /* In case of no of-connectors are available no limitations are made */
806 if (!decoder->connectors_num)
807 supported_stds = V4L2_STD_ALL;
808 else
809 supported_stds = cur_con->base.connector.analog.sdtv_stds;
810
811 /*
812 * Check if requested std or group of std's is/are supported by the
813 * connector.
814 */
815 if ((supported_stds & std) == 0)
816 return -EINVAL;
817
818 /* Change cropping height limits */
819 if (std & V4L2_STD_525_60)
820 decoder->rect.height = TVP5150_V_MAX_525_60;
821 else
822 decoder->rect.height = TVP5150_V_MAX_OTHERS;
823
824 /* Set only the specific supported std in case of group of std's. */
825 decoder->norm = supported_stds & std;
826
827 return tvp5150_set_std(sd, std);
828 }
829
830 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
831 {
832 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
833
834 switch (val & 0x0F) {
835 case 0x01:
836 return V4L2_STD_NTSC;
837 case 0x03:
838 return V4L2_STD_PAL;
839 case 0x05:
840 return V4L2_STD_PAL_M;
841 case 0x07:
842 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
843 case 0x09:
844 return V4L2_STD_NTSC_443;
845 case 0xb:
846 return V4L2_STD_SECAM;
847 default:
848 return V4L2_STD_UNKNOWN;
849 }
850 }
851
852 static int query_lock(struct v4l2_subdev *sd)
853 {
854 struct tvp5150 *decoder = to_tvp5150(sd);
855 int status;
856
857 if (decoder->irq)
858 return decoder->lock;
859
860 regmap_read(decoder->regmap, TVP5150_STATUS_REG_1, &status);
861
862 /* For standard detection, we need the 3 locks */
863 return (status & 0x0e) == 0x0e;
864 }
865
866 static int tvp5150_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id)
867 {
868 *std_id = query_lock(sd) ? tvp5150_read_std(sd) : V4L2_STD_UNKNOWN;
869
870 return 0;
871 }
872
873 static const struct v4l2_event tvp5150_ev_fmt = {
874 .type = V4L2_EVENT_SOURCE_CHANGE,
875 .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
876 };
877
878 static irqreturn_t tvp5150_isr(int irq, void *dev_id)
879 {
880 struct tvp5150 *decoder = dev_id;
881 struct regmap *map = decoder->regmap;
882 unsigned int mask, active = 0, status = 0;
883
884 mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
885 TVP5150_MISC_CTL_CLOCK_OE;
886
887 regmap_read(map, TVP5150_INT_STATUS_REG_A, &status);
888 if (status) {
889 regmap_write(map, TVP5150_INT_STATUS_REG_A, status);
890
891 if (status & TVP5150_INT_A_LOCK) {
892 decoder->lock = !!(status & TVP5150_INT_A_LOCK_STATUS);
893 dev_dbg_lvl(decoder->sd.dev, 1, debug,
894 "sync lo%s signal\n",
895 decoder->lock ? "ck" : "ss");
896 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
897 regmap_update_bits(map, TVP5150_MISC_CTL, mask,
898 decoder->lock ? decoder->oe : 0);
899 }
900
901 return IRQ_HANDLED;
902 }
903
904 regmap_read(map, TVP5150_INT_ACTIVE_REG_B, &active);
905 if (active) {
906 status = 0;
907 regmap_read(map, TVP5150_INT_STATUS_REG_B, &status);
908 if (status)
909 regmap_write(map, TVP5150_INT_RESET_REG_B, status);
910 }
911
912 return IRQ_HANDLED;
913 }
914
915 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
916 {
917 struct tvp5150 *decoder = to_tvp5150(sd);
918 struct regmap *map = decoder->regmap;
919
920 /* Initializes TVP5150 to its default values */
921 tvp5150_write_inittab(sd, tvp5150_init_default);
922
923 if (decoder->irq) {
924 /* Configure pins: FID, VSYNC, INTREQ, SCLK */
925 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x0);
926 /* Set interrupt polarity to active high */
927 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE | 0x1);
928 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x1);
929 } else {
930 /* Configure pins: FID, VSYNC, GPCL/VBLK, SCLK */
931 regmap_write(map, TVP5150_CONF_SHARED_PIN, 0x2);
932 /* Keep interrupt polarity active low */
933 regmap_write(map, TVP5150_INT_CONF, TVP5150_VDPOE);
934 regmap_write(map, TVP5150_INTT_CONFIG_REG_B, 0x0);
935 }
936
937 /* Initializes VDP registers */
938 tvp5150_vdp_init(sd);
939
940 /* Selects decoder input */
941 tvp5150_selmux(sd);
942
943 /* Initialize image preferences */
944 v4l2_ctrl_handler_setup(&decoder->hdl);
945
946 return 0;
947 }
948
949 static int tvp5150_enable(struct v4l2_subdev *sd)
950 {
951 struct tvp5150 *decoder = to_tvp5150(sd);
952 v4l2_std_id std;
953
954 /* Initializes TVP5150 to stream enabled values */
955 tvp5150_write_inittab(sd, tvp5150_init_enable);
956
957 if (decoder->norm == V4L2_STD_ALL)
958 std = tvp5150_read_std(sd);
959 else
960 std = decoder->norm;
961
962 /* Disable autoswitch mode */
963 tvp5150_set_std(sd, std);
964
965 /*
966 * Enable the YCbCr and clock outputs. In discrete sync mode
967 * (non-BT.656) additionally enable the the sync outputs.
968 */
969 switch (decoder->mbus_type) {
970 case V4L2_MBUS_PARALLEL:
971 /* 8-bit 4:2:2 YUV with discrete sync output */
972 regmap_update_bits(decoder->regmap, TVP5150_DATA_RATE_SEL,
973 0x7, 0x0);
974 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
975 TVP5150_MISC_CTL_CLOCK_OE |
976 TVP5150_MISC_CTL_SYNC_OE;
977 break;
978 case V4L2_MBUS_BT656:
979 decoder->oe = TVP5150_MISC_CTL_YCBCR_OE |
980 TVP5150_MISC_CTL_CLOCK_OE;
981 break;
982 default:
983 return -EINVAL;
984 }
985
986 return 0;
987 };
988
989 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
990 {
991 struct v4l2_subdev *sd = to_sd(ctrl);
992 struct tvp5150 *decoder = to_tvp5150(sd);
993
994 switch (ctrl->id) {
995 case V4L2_CID_BRIGHTNESS:
996 regmap_write(decoder->regmap, TVP5150_BRIGHT_CTL, ctrl->val);
997 return 0;
998 case V4L2_CID_CONTRAST:
999 regmap_write(decoder->regmap, TVP5150_CONTRAST_CTL, ctrl->val);
1000 return 0;
1001 case V4L2_CID_SATURATION:
1002 regmap_write(decoder->regmap, TVP5150_SATURATION_CTL,
1003 ctrl->val);
1004 return 0;
1005 case V4L2_CID_HUE:
1006 regmap_write(decoder->regmap, TVP5150_HUE_CTL, ctrl->val);
1007 return 0;
1008 case V4L2_CID_TEST_PATTERN:
1009 decoder->enable = ctrl->val ? false : true;
1010 tvp5150_selmux(sd);
1011 return 0;
1012 }
1013 return -EINVAL;
1014 }
1015
1016 static void tvp5150_set_default(v4l2_std_id std, struct v4l2_rect *crop)
1017 {
1018 /* Default is no cropping */
1019 crop->top = 0;
1020 crop->left = 0;
1021 crop->width = TVP5150_H_MAX;
1022 if (std & V4L2_STD_525_60)
1023 crop->height = TVP5150_V_MAX_525_60;
1024 else
1025 crop->height = TVP5150_V_MAX_OTHERS;
1026 }
1027
1028 static struct v4l2_rect *
1029 tvp5150_get_pad_crop(struct tvp5150 *decoder,
1030 struct v4l2_subdev_pad_config *cfg, unsigned int pad,
1031 enum v4l2_subdev_format_whence which)
1032 {
1033 switch (which) {
1034 case V4L2_SUBDEV_FORMAT_ACTIVE:
1035 return &decoder->rect;
1036 case V4L2_SUBDEV_FORMAT_TRY:
1037 #if defined(CONFIG_VIDEO_V4L2_SUBDEV_API)
1038 return v4l2_subdev_get_try_crop(&decoder->sd, cfg, pad);
1039 #else
1040 return ERR_PTR(-EINVAL);
1041 #endif
1042 default:
1043 return ERR_PTR(-EINVAL);
1044 }
1045 }
1046
1047 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
1048 struct v4l2_subdev_pad_config *cfg,
1049 struct v4l2_subdev_format *format)
1050 {
1051 struct v4l2_mbus_framefmt *f;
1052 struct tvp5150 *decoder = to_tvp5150(sd);
1053
1054 if (!format || (format->pad != TVP5150_PAD_VID_OUT))
1055 return -EINVAL;
1056
1057 f = &format->format;
1058
1059 f->width = decoder->rect.width;
1060 f->height = decoder->rect.height / 2;
1061
1062 f->code = TVP5150_MBUS_FMT;
1063 f->field = TVP5150_FIELD;
1064 f->colorspace = TVP5150_COLORSPACE;
1065
1066 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
1067 f->height);
1068 return 0;
1069 }
1070
1071 static unsigned int tvp5150_get_hmax(struct v4l2_subdev *sd)
1072 {
1073 struct tvp5150 *decoder = to_tvp5150(sd);
1074 v4l2_std_id std;
1075
1076 /* Calculate height based on current standard */
1077 if (decoder->norm == V4L2_STD_ALL)
1078 std = tvp5150_read_std(sd);
1079 else
1080 std = decoder->norm;
1081
1082 return (std & V4L2_STD_525_60) ?
1083 TVP5150_V_MAX_525_60 : TVP5150_V_MAX_OTHERS;
1084 }
1085
1086 static void tvp5150_set_hw_selection(struct v4l2_subdev *sd,
1087 struct v4l2_rect *rect)
1088 {
1089 struct tvp5150 *decoder = to_tvp5150(sd);
1090 unsigned int hmax = tvp5150_get_hmax(sd);
1091
1092 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START, rect->top);
1093 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP,
1094 rect->top + rect->height - hmax);
1095 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_MSB,
1096 rect->left >> TVP5150_CROP_SHIFT);
1097 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_ST_LSB,
1098 rect->left | (1 << TVP5150_CROP_SHIFT));
1099 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_MSB,
1100 (rect->left + rect->width - TVP5150_MAX_CROP_LEFT) >>
1101 TVP5150_CROP_SHIFT);
1102 regmap_write(decoder->regmap, TVP5150_ACT_VD_CROP_STP_LSB,
1103 rect->left + rect->width - TVP5150_MAX_CROP_LEFT);
1104 }
1105
1106 static int tvp5150_set_selection(struct v4l2_subdev *sd,
1107 struct v4l2_subdev_pad_config *cfg,
1108 struct v4l2_subdev_selection *sel)
1109 {
1110 struct tvp5150 *decoder = to_tvp5150(sd);
1111 struct v4l2_rect *rect = &sel->r;
1112 struct v4l2_rect *crop;
1113 unsigned int hmax;
1114
1115 if (sel->target != V4L2_SEL_TGT_CROP)
1116 return -EINVAL;
1117
1118 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
1119 __func__, rect->left, rect->top, rect->width, rect->height);
1120
1121 /* tvp5150 has some special limits */
1122 rect->left = clamp(rect->left, 0, TVP5150_MAX_CROP_LEFT);
1123 rect->top = clamp(rect->top, 0, TVP5150_MAX_CROP_TOP);
1124 hmax = tvp5150_get_hmax(sd);
1125
1126 /*
1127 * alignments:
1128 * - width = 2 due to UYVY colorspace
1129 * - height, image = no special alignment
1130 */
1131 v4l_bound_align_image(&rect->width,
1132 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect->left,
1133 TVP5150_H_MAX - rect->left, 1, &rect->height,
1134 hmax - TVP5150_MAX_CROP_TOP - rect->top,
1135 hmax - rect->top, 0, 0);
1136
1137 if (!IS_ENABLED(CONFIG_VIDEO_V4L2_SUBDEV_API) &&
1138 sel->which == V4L2_SUBDEV_FORMAT_TRY)
1139 return 0;
1140
1141 crop = tvp5150_get_pad_crop(decoder, cfg, sel->pad, sel->which);
1142 if (IS_ERR(crop))
1143 return PTR_ERR(crop);
1144
1145 /*
1146 * Update output image size if the selection (crop) rectangle size or
1147 * position has been modified.
1148 */
1149 if (sel->which == V4L2_SUBDEV_FORMAT_ACTIVE &&
1150 !v4l2_rect_equal(rect, crop))
1151 tvp5150_set_hw_selection(sd, rect);
1152
1153 *crop = *rect;
1154
1155 return 0;
1156 }
1157
1158 static int tvp5150_get_selection(struct v4l2_subdev *sd,
1159 struct v4l2_subdev_pad_config *cfg,
1160 struct v4l2_subdev_selection *sel)
1161 {
1162 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
1163 struct v4l2_rect *crop;
1164 v4l2_std_id std;
1165
1166 switch (sel->target) {
1167 case V4L2_SEL_TGT_CROP_BOUNDS:
1168 sel->r.left = 0;
1169 sel->r.top = 0;
1170 sel->r.width = TVP5150_H_MAX;
1171
1172 /* Calculate height based on current standard */
1173 if (decoder->norm == V4L2_STD_ALL)
1174 std = tvp5150_read_std(sd);
1175 else
1176 std = decoder->norm;
1177 if (std & V4L2_STD_525_60)
1178 sel->r.height = TVP5150_V_MAX_525_60;
1179 else
1180 sel->r.height = TVP5150_V_MAX_OTHERS;
1181 return 0;
1182 case V4L2_SEL_TGT_CROP:
1183 crop = tvp5150_get_pad_crop(decoder, cfg, sel->pad,
1184 sel->which);
1185 if (IS_ERR(crop))
1186 return PTR_ERR(crop);
1187 sel->r = *crop;
1188 return 0;
1189 default:
1190 return -EINVAL;
1191 }
1192 }
1193
1194 static int tvp5150_get_mbus_config(struct v4l2_subdev *sd,
1195 unsigned int pad,
1196 struct v4l2_mbus_config *cfg)
1197 {
1198 struct tvp5150 *decoder = to_tvp5150(sd);
1199
1200 cfg->type = decoder->mbus_type;
1201 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
1202 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
1203
1204 return 0;
1205 }
1206
1207 /****************************************************************************
1208 V4L2 subdev pad ops
1209 ****************************************************************************/
1210 static int tvp5150_init_cfg(struct v4l2_subdev *sd,
1211 struct v4l2_subdev_pad_config *cfg)
1212 {
1213 struct tvp5150 *decoder = to_tvp5150(sd);
1214 v4l2_std_id std;
1215
1216 /*
1217 * Reset selection to maximum on subdev_open() if autodetection is on
1218 * and a standard change is detected.
1219 */
1220 if (decoder->norm == V4L2_STD_ALL) {
1221 std = tvp5150_read_std(sd);
1222 if (std != decoder->detected_norm) {
1223 decoder->detected_norm = std;
1224 tvp5150_set_default(std, &decoder->rect);
1225 }
1226 }
1227
1228 return 0;
1229 }
1230
1231 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
1232 struct v4l2_subdev_pad_config *cfg,
1233 struct v4l2_subdev_mbus_code_enum *code)
1234 {
1235 if (code->pad || code->index)
1236 return -EINVAL;
1237
1238 code->code = TVP5150_MBUS_FMT;
1239 return 0;
1240 }
1241
1242 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1243 struct v4l2_subdev_pad_config *cfg,
1244 struct v4l2_subdev_frame_size_enum *fse)
1245 {
1246 struct tvp5150 *decoder = to_tvp5150(sd);
1247
1248 if (fse->index >= 8 || fse->code != TVP5150_MBUS_FMT)
1249 return -EINVAL;
1250
1251 fse->code = TVP5150_MBUS_FMT;
1252 fse->min_width = decoder->rect.width;
1253 fse->max_width = decoder->rect.width;
1254 fse->min_height = decoder->rect.height / 2;
1255 fse->max_height = decoder->rect.height / 2;
1256
1257 return 0;
1258 }
1259
1260 /****************************************************************************
1261 * Media entity ops
1262 ****************************************************************************/
1263 #if defined(CONFIG_MEDIA_CONTROLLER)
1264 static int tvp5150_set_link(struct media_pad *connector_pad,
1265 struct media_pad *tvp5150_pad, u32 flags)
1266 {
1267 struct media_link *link;
1268
1269 link = media_entity_find_link(connector_pad, tvp5150_pad);
1270 if (!link)
1271 return -EINVAL;
1272
1273 link->flags = flags;
1274 link->reverse->flags = link->flags;
1275
1276 return 0;
1277 }
1278
1279 static int tvp5150_disable_all_input_links(struct tvp5150 *decoder)
1280 {
1281 struct media_pad *connector_pad;
1282 unsigned int i;
1283 int err;
1284
1285 for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
1286 connector_pad = media_entity_remote_pad(&decoder->pads[i]);
1287 if (!connector_pad)
1288 continue;
1289
1290 err = tvp5150_set_link(connector_pad, &decoder->pads[i], 0);
1291 if (err)
1292 return err;
1293 }
1294
1295 return 0;
1296 }
1297
1298 static int tvp5150_s_routing(struct v4l2_subdev *sd, u32 input, u32 output,
1299 u32 config);
1300
1301 static int tvp5150_link_setup(struct media_entity *entity,
1302 const struct media_pad *tvp5150_pad,
1303 const struct media_pad *remote, u32 flags)
1304 {
1305 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1306 struct tvp5150 *decoder = to_tvp5150(sd);
1307 struct media_pad *other_tvp5150_pad =
1308 &decoder->pads[tvp5150_pad->index ^ 1];
1309 struct v4l2_fwnode_connector *v4l2c;
1310 bool is_svideo = false;
1311 unsigned int i;
1312 int err;
1313
1314 /*
1315 * The TVP5150 state is determined by the enabled sink pad link(s).
1316 * Enabling or disabling the source pad link has no effect.
1317 */
1318 if (tvp5150_pad->flags & MEDIA_PAD_FL_SOURCE)
1319 return 0;
1320
1321 /* Check if the svideo connector should be enabled */
1322 for (i = 0; i < decoder->connectors_num; i++) {
1323 if (remote->entity == &decoder->connectors[i].ent) {
1324 v4l2c = &decoder->connectors[i].base;
1325 is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
1326 break;
1327 }
1328 }
1329
1330 dev_dbg_lvl(sd->dev, 1, debug, "link setup '%s':%d->'%s':%d[%d]",
1331 remote->entity->name, remote->index,
1332 tvp5150_pad->entity->name, tvp5150_pad->index,
1333 flags & MEDIA_LNK_FL_ENABLED);
1334 if (is_svideo)
1335 dev_dbg_lvl(sd->dev, 1, debug,
1336 "link setup '%s':%d->'%s':%d[%d]",
1337 remote->entity->name, remote->index,
1338 other_tvp5150_pad->entity->name,
1339 other_tvp5150_pad->index,
1340 flags & MEDIA_LNK_FL_ENABLED);
1341
1342 /*
1343 * The TVP5150 has an internal mux which allows the following setup:
1344 *
1345 * comp-connector1 --\
1346 * |---> AIP1A
1347 * /
1348 * svideo-connector -|
1349 * \
1350 * |---> AIP1B
1351 * comp-connector2 --/
1352 *
1353 * We can't rely on user space that the current connector gets disabled
1354 * first before enabling the new connector. Disable all active
1355 * connector links to be on the safe side.
1356 */
1357 err = tvp5150_disable_all_input_links(decoder);
1358 if (err)
1359 return err;
1360
1361 tvp5150_s_routing(sd, is_svideo ? TVP5150_SVIDEO : tvp5150_pad->index,
1362 flags & MEDIA_LNK_FL_ENABLED ? TVP5150_NORMAL :
1363 TVP5150_BLACK_SCREEN, 0);
1364
1365 if (flags & MEDIA_LNK_FL_ENABLED) {
1366 struct v4l2_fwnode_connector_analog *v4l2ca;
1367 u32 new_norm;
1368
1369 /*
1370 * S-Video connector is conneted to both ports AIP1A and AIP1B.
1371 * Both links must be enabled in one-shot regardless which link
1372 * the user requests.
1373 */
1374 if (is_svideo) {
1375 err = tvp5150_set_link((struct media_pad *)remote,
1376 other_tvp5150_pad, flags);
1377 if (err)
1378 return err;
1379 }
1380
1381 if (!decoder->connectors_num)
1382 return 0;
1383
1384 /* Update the current connector */
1385 decoder->cur_connector =
1386 container_of(remote, struct tvp5150_connector, pad);
1387
1388 /*
1389 * Do nothing if the new connector supports the same tv-norms as
1390 * the old one.
1391 */
1392 v4l2ca = &decoder->cur_connector->base.connector.analog;
1393 new_norm = decoder->norm & v4l2ca->sdtv_stds;
1394 if (decoder->norm == new_norm)
1395 return 0;
1396
1397 /*
1398 * Fallback to the new connector tv-norms if we can't find any
1399 * common between the current tv-norm and the new one.
1400 */
1401 tvp5150_s_std(sd, new_norm ? new_norm : v4l2ca->sdtv_stds);
1402 }
1403
1404 return 0;
1405 }
1406
1407 static const struct media_entity_operations tvp5150_sd_media_ops = {
1408 .link_setup = tvp5150_link_setup,
1409 };
1410 #endif
1411 /****************************************************************************
1412 I2C Command
1413 ****************************************************************************/
1414 static int __maybe_unused tvp5150_runtime_suspend(struct device *dev)
1415 {
1416 struct v4l2_subdev *sd = dev_get_drvdata(dev);
1417 struct tvp5150 *decoder = to_tvp5150(sd);
1418
1419 if (decoder->irq)
1420 /* Disable lock interrupt */
1421 return regmap_update_bits(decoder->regmap,
1422 TVP5150_INT_ENABLE_REG_A,
1423 TVP5150_INT_A_LOCK, 0);
1424 return 0;
1425 }
1426
1427 static int __maybe_unused tvp5150_runtime_resume(struct device *dev)
1428 {
1429 struct v4l2_subdev *sd = dev_get_drvdata(dev);
1430 struct tvp5150 *decoder = to_tvp5150(sd);
1431
1432 if (decoder->irq)
1433 /* Enable lock interrupt */
1434 return regmap_update_bits(decoder->regmap,
1435 TVP5150_INT_ENABLE_REG_A,
1436 TVP5150_INT_A_LOCK,
1437 TVP5150_INT_A_LOCK);
1438 return 0;
1439 }
1440
1441 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1442 {
1443 struct tvp5150 *decoder = to_tvp5150(sd);
1444 unsigned int mask, val = 0;
1445 int ret;
1446
1447 mask = TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1448 TVP5150_MISC_CTL_CLOCK_OE;
1449
1450 if (enable) {
1451 ret = pm_runtime_get_sync(sd->dev);
1452 if (ret < 0) {
1453 pm_runtime_put_noidle(sd->dev);
1454 return ret;
1455 }
1456
1457 tvp5150_enable(sd);
1458
1459 /* Enable outputs if decoder is locked */
1460 if (decoder->irq)
1461 val = decoder->lock ? decoder->oe : 0;
1462 else
1463 val = decoder->oe;
1464
1465 v4l2_subdev_notify_event(&decoder->sd, &tvp5150_ev_fmt);
1466 } else {
1467 pm_runtime_put(sd->dev);
1468 }
1469
1470 regmap_update_bits(decoder->regmap, TVP5150_MISC_CTL, mask, val);
1471
1472 return 0;
1473 }
1474
1475 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1476 u32 input, u32 output, u32 config)
1477 {
1478 struct tvp5150 *decoder = to_tvp5150(sd);
1479
1480 decoder->input = input;
1481 decoder->output = output;
1482
1483 if (output == TVP5150_BLACK_SCREEN)
1484 decoder->enable = false;
1485 else
1486 decoder->enable = true;
1487
1488 tvp5150_selmux(sd);
1489 return 0;
1490 }
1491
1492 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1493 {
1494 struct tvp5150 *decoder = to_tvp5150(sd);
1495
1496 /*
1497 * this is for capturing 36 raw vbi lines
1498 * if there's a way to cut off the beginning 2 vbi lines
1499 * with the tvp5150 then the vbi line count could be lowered
1500 * to 17 lines/field again, although I couldn't find a register
1501 * which could do that cropping
1502 */
1503
1504 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1505 regmap_write(decoder->regmap, TVP5150_LUMA_PROC_CTL_1, 0x70);
1506 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1507 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_START,
1508 0x00);
1509 regmap_write(decoder->regmap, TVP5150_VERT_BLANKING_STOP, 0x01);
1510 }
1511 return 0;
1512 }
1513
1514 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1515 {
1516 struct tvp5150 *decoder = to_tvp5150(sd);
1517 int i;
1518
1519 if (svbi->service_set != 0) {
1520 for (i = 0; i <= 23; i++) {
1521 svbi->service_lines[1][i] = 0;
1522 svbi->service_lines[0][i] =
1523 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1524 0xf0, i, 3);
1525 }
1526 /* Enables FIFO */
1527 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 1);
1528 } else {
1529 /* Disables FIFO*/
1530 regmap_write(decoder->regmap, TVP5150_FIFO_OUT_CTRL, 0);
1531
1532 /* Disable Full Field */
1533 regmap_write(decoder->regmap, TVP5150_FULL_FIELD_ENA, 0);
1534
1535 /* Disable Line modes */
1536 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1537 regmap_write(decoder->regmap, i, 0xff);
1538 }
1539 return 0;
1540 }
1541
1542 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1543 {
1544 int i, mask = 0;
1545
1546 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1547
1548 for (i = 0; i <= 23; i++) {
1549 svbi->service_lines[0][i] =
1550 tvp5150_get_vbi(sd, i);
1551 mask |= svbi->service_lines[0][i];
1552 }
1553 svbi->service_set = mask;
1554 return 0;
1555 }
1556
1557 #ifdef CONFIG_VIDEO_ADV_DEBUG
1558 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1559 {
1560 int res;
1561
1562 res = tvp5150_read(sd, reg->reg & 0xff);
1563 if (res < 0) {
1564 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1565 return res;
1566 }
1567
1568 reg->val = res;
1569 reg->size = 1;
1570 return 0;
1571 }
1572
1573 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1574 {
1575 struct tvp5150 *decoder = to_tvp5150(sd);
1576
1577 return regmap_write(decoder->regmap, reg->reg & 0xff, reg->val & 0xff);
1578 }
1579 #endif
1580
1581 static int tvp5150_subscribe_event(struct v4l2_subdev *sd, struct v4l2_fh *fh,
1582 struct v4l2_event_subscription *sub)
1583 {
1584 switch (sub->type) {
1585 case V4L2_EVENT_SOURCE_CHANGE:
1586 return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
1587 case V4L2_EVENT_CTRL:
1588 return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
1589 default:
1590 return -EINVAL;
1591 }
1592 }
1593
1594 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1595 {
1596 int status = tvp5150_read(sd, 0x88);
1597
1598 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1599 return 0;
1600 }
1601
1602 static int tvp5150_registered(struct v4l2_subdev *sd)
1603 {
1604 #if defined(CONFIG_MEDIA_CONTROLLER)
1605 struct tvp5150 *decoder = to_tvp5150(sd);
1606 unsigned int i;
1607 int ret;
1608
1609 /*
1610 * Setup connector pads and links. Enable the link to the first
1611 * available connector per default.
1612 */
1613 for (i = 0; i < decoder->connectors_num; i++) {
1614 struct media_entity *con = &decoder->connectors[i].ent;
1615 struct media_pad *pad = &decoder->connectors[i].pad;
1616 struct v4l2_fwnode_connector *v4l2c =
1617 &decoder->connectors[i].base;
1618 struct v4l2_connector_link *link =
1619 v4l2_connector_first_link(v4l2c);
1620 unsigned int port = link->fwnode_link.remote_port;
1621 unsigned int flags = i ? 0 : MEDIA_LNK_FL_ENABLED;
1622 bool is_svideo = v4l2c->type == V4L2_CONN_SVIDEO;
1623
1624 pad->flags = MEDIA_PAD_FL_SOURCE;
1625 ret = media_entity_pads_init(con, 1, pad);
1626 if (ret < 0)
1627 goto err;
1628
1629 ret = media_device_register_entity(sd->v4l2_dev->mdev, con);
1630 if (ret < 0)
1631 goto err;
1632
1633 ret = media_create_pad_link(con, 0, &sd->entity, port, flags);
1634 if (ret < 0)
1635 goto err;
1636
1637 if (is_svideo) {
1638 /*
1639 * Check tvp5150_link_setup() comments for more
1640 * information.
1641 */
1642 link = v4l2_connector_last_link(v4l2c);
1643 port = link->fwnode_link.remote_port;
1644 ret = media_create_pad_link(con, 0, &sd->entity, port,
1645 flags);
1646 if (ret < 0)
1647 goto err;
1648 }
1649
1650 /* Enable default input. */
1651 if (flags == MEDIA_LNK_FL_ENABLED) {
1652 decoder->input =
1653 is_svideo ? TVP5150_SVIDEO :
1654 port == 0 ? TVP5150_COMPOSITE0 :
1655 TVP5150_COMPOSITE1;
1656
1657 tvp5150_selmux(sd);
1658 decoder->cur_connector = &decoder->connectors[i];
1659 tvp5150_s_std(sd, v4l2c->connector.analog.sdtv_stds);
1660 }
1661 }
1662
1663 return 0;
1664
1665 err:
1666 for (i = 0; i < decoder->connectors_num; i++) {
1667 media_device_unregister_entity(&decoder->connectors[i].ent);
1668 media_entity_cleanup(&decoder->connectors[i].ent);
1669 }
1670 return ret;
1671 #endif
1672
1673 return 0;
1674 }
1675
1676 static int tvp5150_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1677 {
1678 int ret;
1679
1680 ret = pm_runtime_get_sync(sd->dev);
1681 if (ret < 0) {
1682 pm_runtime_put_noidle(sd->dev);
1683 return ret;
1684 }
1685
1686 return 0;
1687 }
1688
1689 static int tvp5150_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1690 {
1691 pm_runtime_put(sd->dev);
1692
1693 return 0;
1694 }
1695
1696 /* ----------------------------------------------------------------------- */
1697
1698 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1699 .s_ctrl = tvp5150_s_ctrl,
1700 };
1701
1702 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1703 .log_status = tvp5150_log_status,
1704 .reset = tvp5150_reset,
1705 #ifdef CONFIG_VIDEO_ADV_DEBUG
1706 .g_register = tvp5150_g_register,
1707 .s_register = tvp5150_s_register,
1708 #endif
1709 .subscribe_event = tvp5150_subscribe_event,
1710 .unsubscribe_event = v4l2_event_subdev_unsubscribe,
1711 };
1712
1713 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1714 .g_tuner = tvp5150_g_tuner,
1715 };
1716
1717 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1718 .s_std = tvp5150_s_std,
1719 .g_std = tvp5150_g_std,
1720 .querystd = tvp5150_querystd,
1721 .s_stream = tvp5150_s_stream,
1722 .s_routing = tvp5150_s_routing,
1723 };
1724
1725 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1726 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1727 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1728 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1729 .s_raw_fmt = tvp5150_s_raw_fmt,
1730 };
1731
1732 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1733 .init_cfg = tvp5150_init_cfg,
1734 .enum_mbus_code = tvp5150_enum_mbus_code,
1735 .enum_frame_size = tvp5150_enum_frame_size,
1736 .set_fmt = tvp5150_fill_fmt,
1737 .get_fmt = tvp5150_fill_fmt,
1738 .get_selection = tvp5150_get_selection,
1739 .set_selection = tvp5150_set_selection,
1740 .get_mbus_config = tvp5150_get_mbus_config,
1741 };
1742
1743 static const struct v4l2_subdev_ops tvp5150_ops = {
1744 .core = &tvp5150_core_ops,
1745 .tuner = &tvp5150_tuner_ops,
1746 .video = &tvp5150_video_ops,
1747 .vbi = &tvp5150_vbi_ops,
1748 .pad = &tvp5150_pad_ops,
1749 };
1750
1751 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1752 .registered = tvp5150_registered,
1753 .open = tvp5150_open,
1754 .close = tvp5150_close,
1755 };
1756
1757 /****************************************************************************
1758 I2C Client & Driver
1759 ****************************************************************************/
1760
1761 static const struct regmap_range tvp5150_readable_ranges[] = {
1762 {
1763 .range_min = TVP5150_VD_IN_SRC_SEL_1,
1764 .range_max = TVP5150_AUTOSW_MSK,
1765 }, {
1766 .range_min = TVP5150_COLOR_KIL_THSH_CTL,
1767 .range_max = TVP5150_CONF_SHARED_PIN,
1768 }, {
1769 .range_min = TVP5150_ACT_VD_CROP_ST_MSB,
1770 .range_max = TVP5150_HORIZ_SYNC_START,
1771 }, {
1772 .range_min = TVP5150_VERT_BLANKING_START,
1773 .range_max = TVP5150_INTT_CONFIG_REG_B,
1774 }, {
1775 .range_min = TVP5150_VIDEO_STD,
1776 .range_max = TVP5150_VIDEO_STD,
1777 }, {
1778 .range_min = TVP5150_CB_GAIN_FACT,
1779 .range_max = TVP5150_REV_SELECT,
1780 }, {
1781 .range_min = TVP5150_MSB_DEV_ID,
1782 .range_max = TVP5150_STATUS_REG_5,
1783 }, {
1784 .range_min = TVP5150_CC_DATA_INI,
1785 .range_max = TVP5150_TELETEXT_FIL_ENA,
1786 }, {
1787 .range_min = TVP5150_INT_STATUS_REG_A,
1788 .range_max = TVP5150_FIFO_OUT_CTRL,
1789 }, {
1790 .range_min = TVP5150_FULL_FIELD_ENA,
1791 .range_max = TVP5150_FULL_FIELD_MODE_REG,
1792 },
1793 };
1794
1795 static bool tvp5150_volatile_reg(struct device *dev, unsigned int reg)
1796 {
1797 switch (reg) {
1798 case TVP5150_VERT_LN_COUNT_MSB:
1799 case TVP5150_VERT_LN_COUNT_LSB:
1800 case TVP5150_INT_STATUS_REG_A:
1801 case TVP5150_INT_STATUS_REG_B:
1802 case TVP5150_INT_ACTIVE_REG_B:
1803 case TVP5150_STATUS_REG_1:
1804 case TVP5150_STATUS_REG_2:
1805 case TVP5150_STATUS_REG_3:
1806 case TVP5150_STATUS_REG_4:
1807 case TVP5150_STATUS_REG_5:
1808 /* CC, WSS, VPS, VITC data? */
1809 case TVP5150_VBI_FIFO_READ_DATA:
1810 case TVP5150_VDP_STATUS_REG:
1811 case TVP5150_FIFO_WORD_COUNT:
1812 return true;
1813 default:
1814 return false;
1815 }
1816 }
1817
1818 static const struct regmap_access_table tvp5150_readable_table = {
1819 .yes_ranges = tvp5150_readable_ranges,
1820 .n_yes_ranges = ARRAY_SIZE(tvp5150_readable_ranges),
1821 };
1822
1823 static struct regmap_config tvp5150_config = {
1824 .reg_bits = 8,
1825 .val_bits = 8,
1826 .max_register = 0xff,
1827
1828 .cache_type = REGCACHE_RBTREE,
1829
1830 .rd_table = &tvp5150_readable_table,
1831 .volatile_reg = tvp5150_volatile_reg,
1832 };
1833
1834 static int tvp5150_detect_version(struct tvp5150 *core)
1835 {
1836 struct v4l2_subdev *sd = &core->sd;
1837 struct i2c_client *c = v4l2_get_subdevdata(sd);
1838 u8 regs[4];
1839 int res;
1840
1841 /*
1842 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1843 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1844 */
1845 res = regmap_bulk_read(core->regmap, TVP5150_MSB_DEV_ID, regs, 4);
1846 if (res < 0) {
1847 dev_err(&c->dev, "reading ID registers failed: %d\n", res);
1848 return res;
1849 }
1850
1851 core->dev_id = (regs[0] << 8) | regs[1];
1852 core->rom_ver = (regs[2] << 8) | regs[3];
1853
1854 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1855 core->dev_id, regs[2], regs[3], c->addr << 1,
1856 c->adapter->name);
1857
1858 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1859 dev_info(sd->dev, "tvp5150a detected.\n");
1860 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1861 dev_info(sd->dev, "tvp5150am1 detected.\n");
1862
1863 /* ITU-T BT.656.4 timing */
1864 regmap_write(core->regmap, TVP5150_REV_SELECT, 0);
1865 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1866 dev_info(sd->dev, "tvp5151 detected.\n");
1867 } else {
1868 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1869 core->dev_id);
1870 }
1871
1872 return 0;
1873 }
1874
1875 static int tvp5150_init(struct i2c_client *c)
1876 {
1877 struct gpio_desc *pdn_gpio;
1878 struct gpio_desc *reset_gpio;
1879
1880 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1881 if (IS_ERR(pdn_gpio))
1882 return PTR_ERR(pdn_gpio);
1883
1884 if (pdn_gpio) {
1885 gpiod_set_value_cansleep(pdn_gpio, 0);
1886 /* Delay time between power supplies active and reset */
1887 msleep(20);
1888 }
1889
1890 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1891 if (IS_ERR(reset_gpio))
1892 return PTR_ERR(reset_gpio);
1893
1894 if (reset_gpio) {
1895 /* RESETB pulse duration */
1896 ndelay(500);
1897 gpiod_set_value_cansleep(reset_gpio, 0);
1898 /* Delay time between end of reset to I2C active */
1899 usleep_range(200, 250);
1900 }
1901
1902 return 0;
1903 }
1904
1905 #if defined(CONFIG_MEDIA_CONTROLLER)
1906 static int tvp5150_mc_init(struct tvp5150 *decoder)
1907 {
1908 struct v4l2_subdev *sd = &decoder->sd;
1909 unsigned int i;
1910
1911 sd->entity.ops = &tvp5150_sd_media_ops;
1912 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1913
1914 for (i = 0; i < TVP5150_NUM_PADS - 1; i++) {
1915 decoder->pads[i].flags = MEDIA_PAD_FL_SINK;
1916 decoder->pads[i].sig_type = PAD_SIGNAL_ANALOG;
1917 }
1918
1919 decoder->pads[i].flags = MEDIA_PAD_FL_SOURCE;
1920 decoder->pads[i].sig_type = PAD_SIGNAL_DV;
1921
1922 return media_entity_pads_init(&sd->entity, TVP5150_NUM_PADS,
1923 decoder->pads);
1924 }
1925
1926 #else /* !defined(CONFIG_MEDIA_CONTROLLER) */
1927
1928 static inline int tvp5150_mc_init(struct tvp5150 *decoder)
1929 {
1930 return 0;
1931 }
1932 #endif /* defined(CONFIG_MEDIA_CONTROLLER) */
1933
1934 static int tvp5150_validate_connectors(struct tvp5150 *decoder)
1935 {
1936 struct device *dev = decoder->sd.dev;
1937 struct tvp5150_connector *tvpc;
1938 struct v4l2_fwnode_connector *v4l2c;
1939 unsigned int i;
1940
1941 if (!decoder->connectors_num) {
1942 dev_err(dev, "No valid connector found\n");
1943 return -ENODEV;
1944 }
1945
1946 for (i = 0; i < decoder->connectors_num; i++) {
1947 struct v4l2_connector_link *link0 = NULL;
1948 struct v4l2_connector_link *link1;
1949
1950 tvpc = &decoder->connectors[i];
1951 v4l2c = &tvpc->base;
1952
1953 if (v4l2c->type == V4L2_CONN_COMPOSITE) {
1954 if (v4l2c->nr_of_links != 1) {
1955 dev_err(dev, "Composite: connector needs 1 link\n");
1956 return -EINVAL;
1957 }
1958 link0 = v4l2_connector_first_link(v4l2c);
1959 if (!link0) {
1960 dev_err(dev, "Composite: invalid first link\n");
1961 return -EINVAL;
1962 }
1963 if (link0->fwnode_link.remote_id == 1) {
1964 dev_err(dev, "Composite: invalid endpoint id\n");
1965 return -EINVAL;
1966 }
1967 }
1968
1969 if (v4l2c->type == V4L2_CONN_SVIDEO) {
1970 if (v4l2c->nr_of_links != 2) {
1971 dev_err(dev, "SVideo: connector needs 2 links\n");
1972 return -EINVAL;
1973 }
1974 link0 = v4l2_connector_first_link(v4l2c);
1975 if (!link0) {
1976 dev_err(dev, "SVideo: invalid first link\n");
1977 return -EINVAL;
1978 }
1979 link1 = v4l2_connector_last_link(v4l2c);
1980 if (link0->fwnode_link.remote_port ==
1981 link1->fwnode_link.remote_port) {
1982 dev_err(dev, "SVideo: invalid link setup\n");
1983 return -EINVAL;
1984 }
1985 }
1986
1987 if (!(v4l2c->connector.analog.sdtv_stds & TVP5150_STD_MASK)) {
1988 dev_err(dev, "Unsupported tv-norm on connector %s\n",
1989 v4l2c->name);
1990 return -EINVAL;
1991 }
1992 }
1993
1994 return 0;
1995 }
1996
1997 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1998 {
1999 struct device *dev = decoder->sd.dev;
2000 struct v4l2_fwnode_endpoint bus_cfg = {
2001 .bus_type = V4L2_MBUS_UNKNOWN
2002 };
2003 struct device_node *ep_np;
2004 struct tvp5150_connector *tvpc;
2005 struct v4l2_fwnode_connector *v4l2c;
2006 unsigned int flags, ep_num;
2007 unsigned int i;
2008 int ret;
2009
2010 /* At least 1 output and 1 input */
2011 ep_num = of_graph_get_endpoint_count(np);
2012 if (ep_num < 2 || ep_num > 5) {
2013 dev_err(dev, "At least 1 input and 1 output must be connected to the device.\n");
2014 return -EINVAL;
2015 }
2016
2017 /* Layout if all connectors are used:
2018 *
2019 * tvp-5150 port@0 (AIP1A)
2020 * endpoint@0 -----------> Comp0-Con port
2021 * endpoint@1 --------+--> Svideo-Con port
2022 * tvp-5150 port@1 (AIP1B) |
2023 * endpoint@1 --------+
2024 * endpoint@0 -----------> Comp1-Con port
2025 * tvp-5150 port@2
2026 * endpoint (video bitstream output at YOUT[0-7] parallel bus)
2027 */
2028 for_each_endpoint_of_node(np, ep_np) {
2029 struct fwnode_handle *ep_fwnode = of_fwnode_handle(ep_np);
2030 unsigned int next_connector = decoder->connectors_num;
2031 struct of_endpoint ep;
2032
2033 of_graph_parse_endpoint(ep_np, &ep);
2034 if (ep.port > 1 || ep.id > 1) {
2035 dev_dbg(dev, "Ignore connector on port@%u/ep@%u\n",
2036 ep.port, ep.id);
2037 continue;
2038 }
2039
2040 tvpc = &decoder->connectors[next_connector];
2041 v4l2c = &tvpc->base;
2042
2043 if (ep.port == 0 || (ep.port == 1 && ep.id == 0)) {
2044 ret = v4l2_fwnode_connector_parse(ep_fwnode, v4l2c);
2045 if (ret)
2046 goto err_put;
2047 ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
2048 if (ret)
2049 goto err_put;
2050 decoder->connectors_num++;
2051 } else {
2052 /* Adding the 2nd svideo link */
2053 for (i = 0; i < TVP5150_MAX_CONNECTORS; i++) {
2054 tvpc = &decoder->connectors[i];
2055 v4l2c = &tvpc->base;
2056 if (v4l2c->type == V4L2_CONN_SVIDEO)
2057 break;
2058 }
2059
2060 ret = v4l2_fwnode_connector_add_link(ep_fwnode, v4l2c);
2061 if (ret)
2062 goto err_put;
2063 }
2064 }
2065
2066 ret = tvp5150_validate_connectors(decoder);
2067 if (ret)
2068 goto err_free;
2069
2070 for (i = 0; i < decoder->connectors_num; i++) {
2071 tvpc = &decoder->connectors[i];
2072 v4l2c = &tvpc->base;
2073 tvpc->ent.flags = MEDIA_ENT_FL_CONNECTOR;
2074 tvpc->ent.function = v4l2c->type == V4L2_CONN_SVIDEO ?
2075 MEDIA_ENT_F_CONN_SVIDEO : MEDIA_ENT_F_CONN_COMPOSITE;
2076 tvpc->ent.name = devm_kasprintf(dev, GFP_KERNEL, "%s %s",
2077 v4l2c->name, v4l2c->label ?
2078 v4l2c->label : "");
2079 }
2080
2081 ep_np = of_graph_get_endpoint_by_regs(np, TVP5150_PAD_VID_OUT, 0);
2082 if (!ep_np) {
2083 ret = -EINVAL;
2084 dev_err(dev, "Error no output endpoint available\n");
2085 goto err_free;
2086 }
2087 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep_np), &bus_cfg);
2088 of_node_put(ep_np);
2089 if (ret)
2090 goto err_free;
2091
2092 flags = bus_cfg.bus.parallel.flags;
2093 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
2094 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
2095 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
2096 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
2097 ret = -EINVAL;
2098 goto err_free;
2099 }
2100
2101 decoder->mbus_type = bus_cfg.bus_type;
2102
2103 return 0;
2104
2105 err_put:
2106 of_node_put(ep_np);
2107 err_free:
2108 for (i = 0; i < TVP5150_MAX_CONNECTORS; i++)
2109 v4l2_fwnode_connector_free(&decoder->connectors[i].base);
2110
2111 return ret;
2112 }
2113
2114 static const char * const tvp5150_test_patterns[2] = {
2115 "Disabled",
2116 "Black screen"
2117 };
2118
2119 static int tvp5150_probe(struct i2c_client *c)
2120 {
2121 struct tvp5150 *core;
2122 struct v4l2_subdev *sd;
2123 struct device_node *np = c->dev.of_node;
2124 struct regmap *map;
2125 unsigned int i;
2126 int res;
2127
2128 /* Check if the adapter supports the needed features */
2129 if (!i2c_check_functionality(c->adapter,
2130 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
2131 return -EIO;
2132
2133 res = tvp5150_init(c);
2134 if (res)
2135 return res;
2136
2137 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
2138 if (!core)
2139 return -ENOMEM;
2140
2141 map = devm_regmap_init_i2c(c, &tvp5150_config);
2142 if (IS_ERR(map))
2143 return PTR_ERR(map);
2144
2145 core->regmap = map;
2146 sd = &core->sd;
2147 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
2148 sd->internal_ops = &tvp5150_internal_ops;
2149 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
2150
2151 if (IS_ENABLED(CONFIG_OF) && np) {
2152 res = tvp5150_parse_dt(core, np);
2153 if (res) {
2154 dev_err(sd->dev, "DT parsing error: %d\n", res);
2155 return res;
2156 }
2157 } else {
2158 /* Default to BT.656 embedded sync */
2159 core->mbus_type = V4L2_MBUS_BT656;
2160 }
2161
2162 res = tvp5150_mc_init(core);
2163 if (res)
2164 return res;
2165
2166 res = tvp5150_detect_version(core);
2167 if (res < 0)
2168 return res;
2169
2170 /*
2171 * Iterate over all available connectors in case they are supported and
2172 * successfully parsed. Fallback to default autodetect in case they
2173 * aren't supported.
2174 */
2175 for (i = 0; i < core->connectors_num; i++) {
2176 struct v4l2_fwnode_connector *v4l2c;
2177
2178 v4l2c = &core->connectors[i].base;
2179 core->norm |= v4l2c->connector.analog.sdtv_stds;
2180 }
2181
2182 if (!core->connectors_num)
2183 core->norm = V4L2_STD_ALL;
2184
2185 core->detected_norm = V4L2_STD_UNKNOWN;
2186 core->input = TVP5150_COMPOSITE1;
2187 core->enable = true;
2188
2189 v4l2_ctrl_handler_init(&core->hdl, 5);
2190 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2191 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
2192 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2193 V4L2_CID_CONTRAST, 0, 255, 1, 128);
2194 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2195 V4L2_CID_SATURATION, 0, 255, 1, 128);
2196 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2197 V4L2_CID_HUE, -128, 127, 1, 0);
2198 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
2199 V4L2_CID_PIXEL_RATE, 27000000,
2200 27000000, 1, 27000000);
2201 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
2202 V4L2_CID_TEST_PATTERN,
2203 ARRAY_SIZE(tvp5150_test_patterns) - 1,
2204 0, 0, tvp5150_test_patterns);
2205 sd->ctrl_handler = &core->hdl;
2206 if (core->hdl.error) {
2207 res = core->hdl.error;
2208 goto err;
2209 }
2210
2211 tvp5150_set_default(tvp5150_read_std(sd), &core->rect);
2212
2213 core->irq = c->irq;
2214 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
2215 if (c->irq) {
2216 res = devm_request_threaded_irq(&c->dev, c->irq, NULL,
2217 tvp5150_isr, IRQF_TRIGGER_HIGH |
2218 IRQF_ONESHOT, "tvp5150", core);
2219 if (res)
2220 goto err;
2221 }
2222
2223 res = v4l2_async_register_subdev(sd);
2224 if (res < 0)
2225 goto err;
2226
2227 if (debug > 1)
2228 tvp5150_log_status(sd);
2229
2230 pm_runtime_set_active(&c->dev);
2231 pm_runtime_enable(&c->dev);
2232 pm_runtime_idle(&c->dev);
2233
2234 return 0;
2235
2236 err:
2237 v4l2_ctrl_handler_free(&core->hdl);
2238 return res;
2239 }
2240
2241 static int tvp5150_remove(struct i2c_client *c)
2242 {
2243 struct v4l2_subdev *sd = i2c_get_clientdata(c);
2244 struct tvp5150 *decoder = to_tvp5150(sd);
2245 unsigned int i;
2246
2247 dev_dbg_lvl(sd->dev, 1, debug,
2248 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
2249 c->addr << 1);
2250
2251 for (i = 0; i < decoder->connectors_num; i++)
2252 v4l2_fwnode_connector_free(&decoder->connectors[i].base);
2253 for (i = 0; i < decoder->connectors_num; i++) {
2254 media_device_unregister_entity(&decoder->connectors[i].ent);
2255 media_entity_cleanup(&decoder->connectors[i].ent);
2256 }
2257 v4l2_async_unregister_subdev(sd);
2258 v4l2_ctrl_handler_free(&decoder->hdl);
2259 pm_runtime_disable(&c->dev);
2260 pm_runtime_set_suspended(&c->dev);
2261
2262 return 0;
2263 }
2264
2265 /* ----------------------------------------------------------------------- */
2266
2267 static const struct dev_pm_ops tvp5150_pm_ops = {
2268 SET_RUNTIME_PM_OPS(tvp5150_runtime_suspend,
2269 tvp5150_runtime_resume,
2270 NULL)
2271 };
2272
2273 static const struct i2c_device_id tvp5150_id[] = {
2274 { "tvp5150", 0 },
2275 { }
2276 };
2277 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
2278
2279 #if IS_ENABLED(CONFIG_OF)
2280 static const struct of_device_id tvp5150_of_match[] = {
2281 { .compatible = "ti,tvp5150", },
2282 { /* sentinel */ },
2283 };
2284 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
2285 #endif
2286
2287 static struct i2c_driver tvp5150_driver = {
2288 .driver = {
2289 .of_match_table = of_match_ptr(tvp5150_of_match),
2290 .name = "tvp5150",
2291 .pm = &tvp5150_pm_ops,
2292 },
2293 .probe_new = tvp5150_probe,
2294 .remove = tvp5150_remove,
2295 .id_table = tvp5150_id,
2296 };
2297
2298 module_i2c_driver(tvp5150_driver);
Linux with added FPC-III support