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/module.h>
14 #include <linux/of_graph.h>
15 #include <media/v4l2-async.h>
16 #include <media/v4l2-device.h>
17 #include <media/v4l2-ctrls.h>
18 #include <media/v4l2-fwnode.h>
19 #include <media/v4l2-mc.h>
20
21 #include "tvp5150_reg.h"
22
23 #define TVP5150_H_MAX 720U
24 #define TVP5150_V_MAX_525_60 480U
25 #define TVP5150_V_MAX_OTHERS 576U
26 #define TVP5150_MAX_CROP_LEFT 511
27 #define TVP5150_MAX_CROP_TOP 127
28 #define TVP5150_CROP_SHIFT 2
29
30 MODULE_DESCRIPTION("Texas Instruments TVP5150A/TVP5150AM1/TVP5151 video decoder driver");
31 MODULE_AUTHOR("Mauro Carvalho Chehab");
32 MODULE_LICENSE("GPL v2");
33
34
35 static int debug;
36 module_param(debug, int, 0644);
37 MODULE_PARM_DESC(debug, "Debug level (0-2)");
38
39 #define dprintk0(__dev, __arg...) dev_dbg_lvl(__dev, 0, 0, __arg)
40
41 struct tvp5150 {
42 struct v4l2_subdev sd;
43 #ifdef CONFIG_MEDIA_CONTROLLER
44 struct media_pad pads[DEMOD_NUM_PADS];
45 struct media_entity input_ent[TVP5150_INPUT_NUM];
46 struct media_pad input_pad[TVP5150_INPUT_NUM];
47 #endif
48 struct v4l2_ctrl_handler hdl;
49 struct v4l2_rect rect;
50
51 v4l2_std_id norm; /* Current set standard */
52 u32 input;
53 u32 output;
54 int enable;
55
56 u16 dev_id;
57 u16 rom_ver;
58
59 enum v4l2_mbus_type mbus_type;
60 };
61
to_tvp5150(struct v4l2_subdev * sd)62 static inline struct tvp5150 *to_tvp5150(struct v4l2_subdev *sd)
63 {
64 return container_of(sd, struct tvp5150, sd);
65 }
66
to_sd(struct v4l2_ctrl * ctrl)67 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
68 {
69 return &container_of(ctrl->handler, struct tvp5150, hdl)->sd;
70 }
71
tvp5150_read(struct v4l2_subdev * sd,unsigned char addr)72 static int tvp5150_read(struct v4l2_subdev *sd, unsigned char addr)
73 {
74 struct i2c_client *c = v4l2_get_subdevdata(sd);
75 int rc;
76
77 rc = i2c_smbus_read_byte_data(c, addr);
78 if (rc < 0) {
79 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
80 return rc;
81 }
82
83 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: read 0x%02x = %02x\n", addr, rc);
84
85 return rc;
86 }
87
tvp5150_write(struct v4l2_subdev * sd,unsigned char addr,unsigned char value)88 static int tvp5150_write(struct v4l2_subdev *sd, unsigned char addr,
89 unsigned char value)
90 {
91 struct i2c_client *c = v4l2_get_subdevdata(sd);
92 int rc;
93
94 dev_dbg_lvl(sd->dev, 2, debug, "tvp5150: writing %02x %02x\n", addr, value);
95 rc = i2c_smbus_write_byte_data(c, addr, value);
96 if (rc < 0)
97 dev_err(sd->dev, "i2c i/o error: rc == %d\n", rc);
98
99 return rc;
100 }
101
dump_reg_range(struct v4l2_subdev * sd,char * s,u8 init,const u8 end,int max_line)102 static void dump_reg_range(struct v4l2_subdev *sd, char *s, u8 init,
103 const u8 end, int max_line)
104 {
105 u8 buf[16];
106 int i = 0, j, len;
107
108 if (max_line > 16) {
109 dprintk0(sd->dev, "too much data to dump\n");
110 return;
111 }
112
113 for (i = init; i < end; i += max_line) {
114 len = (end - i > max_line) ? max_line : end - i;
115
116 for (j = 0; j < len; j++)
117 buf[j] = tvp5150_read(sd, i + j);
118
119 dprintk0(sd->dev, "%s reg %02x = %*ph\n", s, i, len, buf);
120 }
121 }
122
tvp5150_log_status(struct v4l2_subdev * sd)123 static int tvp5150_log_status(struct v4l2_subdev *sd)
124 {
125 dprintk0(sd->dev, "tvp5150: Video input source selection #1 = 0x%02x\n",
126 tvp5150_read(sd, TVP5150_VD_IN_SRC_SEL_1));
127 dprintk0(sd->dev, "tvp5150: Analog channel controls = 0x%02x\n",
128 tvp5150_read(sd, TVP5150_ANAL_CHL_CTL));
129 dprintk0(sd->dev, "tvp5150: Operation mode controls = 0x%02x\n",
130 tvp5150_read(sd, TVP5150_OP_MODE_CTL));
131 dprintk0(sd->dev, "tvp5150: Miscellaneous controls = 0x%02x\n",
132 tvp5150_read(sd, TVP5150_MISC_CTL));
133 dprintk0(sd->dev, "tvp5150: Autoswitch mask= 0x%02x\n",
134 tvp5150_read(sd, TVP5150_AUTOSW_MSK));
135 dprintk0(sd->dev, "tvp5150: Color killer threshold control = 0x%02x\n",
136 tvp5150_read(sd, TVP5150_COLOR_KIL_THSH_CTL));
137 dprintk0(sd->dev, "tvp5150: Luminance processing controls #1 #2 and #3 = %02x %02x %02x\n",
138 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_1),
139 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_2),
140 tvp5150_read(sd, TVP5150_LUMA_PROC_CTL_3));
141 dprintk0(sd->dev, "tvp5150: Brightness control = 0x%02x\n",
142 tvp5150_read(sd, TVP5150_BRIGHT_CTL));
143 dprintk0(sd->dev, "tvp5150: Color saturation control = 0x%02x\n",
144 tvp5150_read(sd, TVP5150_SATURATION_CTL));
145 dprintk0(sd->dev, "tvp5150: Hue control = 0x%02x\n",
146 tvp5150_read(sd, TVP5150_HUE_CTL));
147 dprintk0(sd->dev, "tvp5150: Contrast control = 0x%02x\n",
148 tvp5150_read(sd, TVP5150_CONTRAST_CTL));
149 dprintk0(sd->dev, "tvp5150: Outputs and data rates select = 0x%02x\n",
150 tvp5150_read(sd, TVP5150_DATA_RATE_SEL));
151 dprintk0(sd->dev, "tvp5150: Configuration shared pins = 0x%02x\n",
152 tvp5150_read(sd, TVP5150_CONF_SHARED_PIN));
153 dprintk0(sd->dev, "tvp5150: Active video cropping start = 0x%02x%02x\n",
154 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_MSB),
155 tvp5150_read(sd, TVP5150_ACT_VD_CROP_ST_LSB));
156 dprintk0(sd->dev, "tvp5150: Active video cropping stop = 0x%02x%02x\n",
157 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_MSB),
158 tvp5150_read(sd, TVP5150_ACT_VD_CROP_STP_LSB));
159 dprintk0(sd->dev, "tvp5150: Genlock/RTC = 0x%02x\n",
160 tvp5150_read(sd, TVP5150_GENLOCK));
161 dprintk0(sd->dev, "tvp5150: Horizontal sync start = 0x%02x\n",
162 tvp5150_read(sd, TVP5150_HORIZ_SYNC_START));
163 dprintk0(sd->dev, "tvp5150: Vertical blanking start = 0x%02x\n",
164 tvp5150_read(sd, TVP5150_VERT_BLANKING_START));
165 dprintk0(sd->dev, "tvp5150: Vertical blanking stop = 0x%02x\n",
166 tvp5150_read(sd, TVP5150_VERT_BLANKING_STOP));
167 dprintk0(sd->dev, "tvp5150: Chrominance processing control #1 and #2 = %02x %02x\n",
168 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_1),
169 tvp5150_read(sd, TVP5150_CHROMA_PROC_CTL_2));
170 dprintk0(sd->dev, "tvp5150: Interrupt reset register B = 0x%02x\n",
171 tvp5150_read(sd, TVP5150_INT_RESET_REG_B));
172 dprintk0(sd->dev, "tvp5150: Interrupt enable register B = 0x%02x\n",
173 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_B));
174 dprintk0(sd->dev, "tvp5150: Interrupt configuration register B = 0x%02x\n",
175 tvp5150_read(sd, TVP5150_INTT_CONFIG_REG_B));
176 dprintk0(sd->dev, "tvp5150: Video standard = 0x%02x\n",
177 tvp5150_read(sd, TVP5150_VIDEO_STD));
178 dprintk0(sd->dev, "tvp5150: Chroma gain factor: Cb=0x%02x Cr=0x%02x\n",
179 tvp5150_read(sd, TVP5150_CB_GAIN_FACT),
180 tvp5150_read(sd, TVP5150_CR_GAIN_FACTOR));
181 dprintk0(sd->dev, "tvp5150: Macrovision on counter = 0x%02x\n",
182 tvp5150_read(sd, TVP5150_MACROVISION_ON_CTR));
183 dprintk0(sd->dev, "tvp5150: Macrovision off counter = 0x%02x\n",
184 tvp5150_read(sd, TVP5150_MACROVISION_OFF_CTR));
185 dprintk0(sd->dev, "tvp5150: ITU-R BT.656.%d timing(TVP5150AM1 only)\n",
186 (tvp5150_read(sd, TVP5150_REV_SELECT) & 1) ? 3 : 4);
187 dprintk0(sd->dev, "tvp5150: Device ID = %02x%02x\n",
188 tvp5150_read(sd, TVP5150_MSB_DEV_ID),
189 tvp5150_read(sd, TVP5150_LSB_DEV_ID));
190 dprintk0(sd->dev, "tvp5150: ROM version = (hex) %02x.%02x\n",
191 tvp5150_read(sd, TVP5150_ROM_MAJOR_VER),
192 tvp5150_read(sd, TVP5150_ROM_MINOR_VER));
193 dprintk0(sd->dev, "tvp5150: Vertical line count = 0x%02x%02x\n",
194 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_MSB),
195 tvp5150_read(sd, TVP5150_VERT_LN_COUNT_LSB));
196 dprintk0(sd->dev, "tvp5150: Interrupt status register B = 0x%02x\n",
197 tvp5150_read(sd, TVP5150_INT_STATUS_REG_B));
198 dprintk0(sd->dev, "tvp5150: Interrupt active register B = 0x%02x\n",
199 tvp5150_read(sd, TVP5150_INT_ACTIVE_REG_B));
200 dprintk0(sd->dev, "tvp5150: Status regs #1 to #5 = %02x %02x %02x %02x %02x\n",
201 tvp5150_read(sd, TVP5150_STATUS_REG_1),
202 tvp5150_read(sd, TVP5150_STATUS_REG_2),
203 tvp5150_read(sd, TVP5150_STATUS_REG_3),
204 tvp5150_read(sd, TVP5150_STATUS_REG_4),
205 tvp5150_read(sd, TVP5150_STATUS_REG_5));
206
207 dump_reg_range(sd, "Teletext filter 1", TVP5150_TELETEXT_FIL1_INI,
208 TVP5150_TELETEXT_FIL1_END, 8);
209 dump_reg_range(sd, "Teletext filter 2", TVP5150_TELETEXT_FIL2_INI,
210 TVP5150_TELETEXT_FIL2_END, 8);
211
212 dprintk0(sd->dev, "tvp5150: Teletext filter enable = 0x%02x\n",
213 tvp5150_read(sd, TVP5150_TELETEXT_FIL_ENA));
214 dprintk0(sd->dev, "tvp5150: Interrupt status register A = 0x%02x\n",
215 tvp5150_read(sd, TVP5150_INT_STATUS_REG_A));
216 dprintk0(sd->dev, "tvp5150: Interrupt enable register A = 0x%02x\n",
217 tvp5150_read(sd, TVP5150_INT_ENABLE_REG_A));
218 dprintk0(sd->dev, "tvp5150: Interrupt configuration = 0x%02x\n",
219 tvp5150_read(sd, TVP5150_INT_CONF));
220 dprintk0(sd->dev, "tvp5150: VDP status register = 0x%02x\n",
221 tvp5150_read(sd, TVP5150_VDP_STATUS_REG));
222 dprintk0(sd->dev, "tvp5150: FIFO word count = 0x%02x\n",
223 tvp5150_read(sd, TVP5150_FIFO_WORD_COUNT));
224 dprintk0(sd->dev, "tvp5150: FIFO interrupt threshold = 0x%02x\n",
225 tvp5150_read(sd, TVP5150_FIFO_INT_THRESHOLD));
226 dprintk0(sd->dev, "tvp5150: FIFO reset = 0x%02x\n",
227 tvp5150_read(sd, TVP5150_FIFO_RESET));
228 dprintk0(sd->dev, "tvp5150: Line number interrupt = 0x%02x\n",
229 tvp5150_read(sd, TVP5150_LINE_NUMBER_INT));
230 dprintk0(sd->dev, "tvp5150: Pixel alignment register = 0x%02x%02x\n",
231 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_HIGH),
232 tvp5150_read(sd, TVP5150_PIX_ALIGN_REG_LOW));
233 dprintk0(sd->dev, "tvp5150: FIFO output control = 0x%02x\n",
234 tvp5150_read(sd, TVP5150_FIFO_OUT_CTRL));
235 dprintk0(sd->dev, "tvp5150: Full field enable = 0x%02x\n",
236 tvp5150_read(sd, TVP5150_FULL_FIELD_ENA));
237 dprintk0(sd->dev, "tvp5150: Full field mode register = 0x%02x\n",
238 tvp5150_read(sd, TVP5150_FULL_FIELD_MODE_REG));
239
240 dump_reg_range(sd, "CC data", TVP5150_CC_DATA_INI,
241 TVP5150_CC_DATA_END, 8);
242
243 dump_reg_range(sd, "WSS data", TVP5150_WSS_DATA_INI,
244 TVP5150_WSS_DATA_END, 8);
245
246 dump_reg_range(sd, "VPS data", TVP5150_VPS_DATA_INI,
247 TVP5150_VPS_DATA_END, 8);
248
249 dump_reg_range(sd, "VITC data", TVP5150_VITC_DATA_INI,
250 TVP5150_VITC_DATA_END, 10);
251
252 dump_reg_range(sd, "Line mode", TVP5150_LINE_MODE_INI,
253 TVP5150_LINE_MODE_END, 8);
254 return 0;
255 }
256
257 /****************************************************************************
258 Basic functions
259 ****************************************************************************/
260
tvp5150_selmux(struct v4l2_subdev * sd)261 static void tvp5150_selmux(struct v4l2_subdev *sd)
262 {
263 int opmode = 0;
264 struct tvp5150 *decoder = to_tvp5150(sd);
265 int input = 0;
266 int val;
267
268 /* Only tvp5150am1 and tvp5151 have signal generator support */
269 if ((decoder->dev_id == 0x5150 && decoder->rom_ver == 0x0400) ||
270 (decoder->dev_id == 0x5151 && decoder->rom_ver == 0x0100)) {
271 if (!decoder->enable)
272 input = 8;
273 }
274
275 switch (decoder->input) {
276 case TVP5150_COMPOSITE1:
277 input |= 2;
278 /* fall through */
279 case TVP5150_COMPOSITE0:
280 break;
281 case TVP5150_SVIDEO:
282 default:
283 input |= 1;
284 break;
285 }
286
287 dev_dbg_lvl(sd->dev, 1, debug, "Selecting video route: route input=%i, output=%i => tvp5150 input=%i, opmode=%i\n",
288 decoder->input, decoder->output,
289 input, opmode);
290
291 tvp5150_write(sd, TVP5150_OP_MODE_CTL, opmode);
292 tvp5150_write(sd, TVP5150_VD_IN_SRC_SEL_1, input);
293
294 /*
295 * Setup the FID/GLCO/VLK/HVLK and INTREQ/GPCL/VBLK output signals. For
296 * S-Video we output the vertical lock (VLK) signal on FID/GLCO/VLK/HVLK
297 * and set INTREQ/GPCL/VBLK to logic 0. For composite we output the
298 * field indicator (FID) signal on FID/GLCO/VLK/HVLK and set
299 * INTREQ/GPCL/VBLK to logic 1.
300 */
301 val = tvp5150_read(sd, TVP5150_MISC_CTL);
302 if (val < 0) {
303 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, val);
304 return;
305 }
306
307 if (decoder->input == TVP5150_SVIDEO)
308 val = (val & ~TVP5150_MISC_CTL_GPCL) | TVP5150_MISC_CTL_HVLK;
309 else
310 val = (val & ~TVP5150_MISC_CTL_HVLK) | TVP5150_MISC_CTL_GPCL;
311 tvp5150_write(sd, TVP5150_MISC_CTL, val);
312 };
313
314 struct i2c_reg_value {
315 unsigned char reg;
316 unsigned char value;
317 };
318
319 /* Default values as sugested at TVP5150AM1 datasheet */
320 static const struct i2c_reg_value tvp5150_init_default[] = {
321 { /* 0x00 */
322 TVP5150_VD_IN_SRC_SEL_1, 0x00
323 },
324 { /* 0x01 */
325 TVP5150_ANAL_CHL_CTL, 0x15
326 },
327 { /* 0x02 */
328 TVP5150_OP_MODE_CTL, 0x00
329 },
330 { /* 0x03 */
331 TVP5150_MISC_CTL, 0x01
332 },
333 { /* 0x06 */
334 TVP5150_COLOR_KIL_THSH_CTL, 0x10
335 },
336 { /* 0x07 */
337 TVP5150_LUMA_PROC_CTL_1, 0x60
338 },
339 { /* 0x08 */
340 TVP5150_LUMA_PROC_CTL_2, 0x00
341 },
342 { /* 0x09 */
343 TVP5150_BRIGHT_CTL, 0x80
344 },
345 { /* 0x0a */
346 TVP5150_SATURATION_CTL, 0x80
347 },
348 { /* 0x0b */
349 TVP5150_HUE_CTL, 0x00
350 },
351 { /* 0x0c */
352 TVP5150_CONTRAST_CTL, 0x80
353 },
354 { /* 0x0d */
355 TVP5150_DATA_RATE_SEL, 0x47
356 },
357 { /* 0x0e */
358 TVP5150_LUMA_PROC_CTL_3, 0x00
359 },
360 { /* 0x0f */
361 TVP5150_CONF_SHARED_PIN, 0x08
362 },
363 { /* 0x11 */
364 TVP5150_ACT_VD_CROP_ST_MSB, 0x00
365 },
366 { /* 0x12 */
367 TVP5150_ACT_VD_CROP_ST_LSB, 0x00
368 },
369 { /* 0x13 */
370 TVP5150_ACT_VD_CROP_STP_MSB, 0x00
371 },
372 { /* 0x14 */
373 TVP5150_ACT_VD_CROP_STP_LSB, 0x00
374 },
375 { /* 0x15 */
376 TVP5150_GENLOCK, 0x01
377 },
378 { /* 0x16 */
379 TVP5150_HORIZ_SYNC_START, 0x80
380 },
381 { /* 0x18 */
382 TVP5150_VERT_BLANKING_START, 0x00
383 },
384 { /* 0x19 */
385 TVP5150_VERT_BLANKING_STOP, 0x00
386 },
387 { /* 0x1a */
388 TVP5150_CHROMA_PROC_CTL_1, 0x0c
389 },
390 { /* 0x1b */
391 TVP5150_CHROMA_PROC_CTL_2, 0x14
392 },
393 { /* 0x1c */
394 TVP5150_INT_RESET_REG_B, 0x00
395 },
396 { /* 0x1d */
397 TVP5150_INT_ENABLE_REG_B, 0x00
398 },
399 { /* 0x1e */
400 TVP5150_INTT_CONFIG_REG_B, 0x00
401 },
402 { /* 0x28 */
403 TVP5150_VIDEO_STD, 0x00
404 },
405 { /* 0x2e */
406 TVP5150_MACROVISION_ON_CTR, 0x0f
407 },
408 { /* 0x2f */
409 TVP5150_MACROVISION_OFF_CTR, 0x01
410 },
411 { /* 0xbb */
412 TVP5150_TELETEXT_FIL_ENA, 0x00
413 },
414 { /* 0xc0 */
415 TVP5150_INT_STATUS_REG_A, 0x00
416 },
417 { /* 0xc1 */
418 TVP5150_INT_ENABLE_REG_A, 0x00
419 },
420 { /* 0xc2 */
421 TVP5150_INT_CONF, 0x04
422 },
423 { /* 0xc8 */
424 TVP5150_FIFO_INT_THRESHOLD, 0x80
425 },
426 { /* 0xc9 */
427 TVP5150_FIFO_RESET, 0x00
428 },
429 { /* 0xca */
430 TVP5150_LINE_NUMBER_INT, 0x00
431 },
432 { /* 0xcb */
433 TVP5150_PIX_ALIGN_REG_LOW, 0x4e
434 },
435 { /* 0xcc */
436 TVP5150_PIX_ALIGN_REG_HIGH, 0x00
437 },
438 { /* 0xcd */
439 TVP5150_FIFO_OUT_CTRL, 0x01
440 },
441 { /* 0xcf */
442 TVP5150_FULL_FIELD_ENA, 0x00
443 },
444 { /* 0xd0 */
445 TVP5150_LINE_MODE_INI, 0x00
446 },
447 { /* 0xfc */
448 TVP5150_FULL_FIELD_MODE_REG, 0x7f
449 },
450 { /* end of data */
451 0xff, 0xff
452 }
453 };
454
455 /* Default values as sugested at TVP5150AM1 datasheet */
456 static const struct i2c_reg_value tvp5150_init_enable[] = {
457 {
458 TVP5150_CONF_SHARED_PIN, 2
459 }, { /* Automatic offset and AGC enabled */
460 TVP5150_ANAL_CHL_CTL, 0x15
461 }, { /* Activate YCrCb output 0x9 or 0xd ? */
462 TVP5150_MISC_CTL, TVP5150_MISC_CTL_GPCL |
463 TVP5150_MISC_CTL_INTREQ_OE |
464 TVP5150_MISC_CTL_YCBCR_OE |
465 TVP5150_MISC_CTL_SYNC_OE |
466 TVP5150_MISC_CTL_VBLANK |
467 TVP5150_MISC_CTL_CLOCK_OE,
468 }, { /* Activates video std autodetection for all standards */
469 TVP5150_AUTOSW_MSK, 0x0
470 }, { /* Default format: 0x47. For 4:2:2: 0x40 */
471 TVP5150_DATA_RATE_SEL, 0x47
472 }, {
473 TVP5150_CHROMA_PROC_CTL_1, 0x0c
474 }, {
475 TVP5150_CHROMA_PROC_CTL_2, 0x54
476 }, { /* Non documented, but initialized on WinTV USB2 */
477 0x27, 0x20
478 }, {
479 0xff, 0xff
480 }
481 };
482
483 struct tvp5150_vbi_type {
484 unsigned int vbi_type;
485 unsigned int ini_line;
486 unsigned int end_line;
487 unsigned int by_field :1;
488 };
489
490 struct i2c_vbi_ram_value {
491 u16 reg;
492 struct tvp5150_vbi_type type;
493 unsigned char values[16];
494 };
495
496 /* This struct have the values for each supported VBI Standard
497 * by
498 tvp5150_vbi_types should follow the same order as vbi_ram_default
499 * value 0 means rom position 0x10, value 1 means rom position 0x30
500 * and so on. There are 16 possible locations from 0 to 15.
501 */
502
503 static struct i2c_vbi_ram_value vbi_ram_default[] = {
504
505 /*
506 * FIXME: Current api doesn't handle all VBI types, those not
507 * yet supported are placed under #if 0
508 */
509 #if 0
510 [0] = {0x010, /* Teletext, SECAM, WST System A */
511 {V4L2_SLICED_TELETEXT_SECAM, 6, 23, 1},
512 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x26,
513 0xe6, 0xb4, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00 }
514 },
515 #endif
516 [1] = {0x030, /* Teletext, PAL, WST System B */
517 {V4L2_SLICED_TELETEXT_B, 6, 22, 1},
518 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x2b,
519 0xa6, 0x72, 0x10, 0x00, 0x00, 0x00, 0x10, 0x00 }
520 },
521 #if 0
522 [2] = {0x050, /* Teletext, PAL, WST System C */
523 {V4L2_SLICED_TELETEXT_PAL_C, 6, 22, 1},
524 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
525 0xa6, 0x98, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
526 },
527 [3] = {0x070, /* Teletext, NTSC, WST System B */
528 {V4L2_SLICED_TELETEXT_NTSC_B, 10, 21, 1},
529 { 0xaa, 0xaa, 0xff, 0xff, 0x27, 0x2e, 0x20, 0x23,
530 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
531 },
532 [4] = {0x090, /* Tetetext, NTSC NABTS System C */
533 {V4L2_SLICED_TELETEXT_NTSC_C, 10, 21, 1},
534 { 0xaa, 0xaa, 0xff, 0xff, 0xe7, 0x2e, 0x20, 0x22,
535 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x15, 0x00 }
536 },
537 [5] = {0x0b0, /* Teletext, NTSC-J, NABTS System D */
538 {V4L2_SLICED_TELETEXT_NTSC_D, 10, 21, 1},
539 { 0xaa, 0xaa, 0xff, 0xff, 0xa7, 0x2e, 0x20, 0x23,
540 0x69, 0x93, 0x0d, 0x00, 0x00, 0x00, 0x10, 0x00 }
541 },
542 [6] = {0x0d0, /* Closed Caption, PAL/SECAM */
543 {V4L2_SLICED_CAPTION_625, 22, 22, 1},
544 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
545 0xa6, 0x7b, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
546 },
547 #endif
548 [7] = {0x0f0, /* Closed Caption, NTSC */
549 {V4L2_SLICED_CAPTION_525, 21, 21, 1},
550 { 0xaa, 0x2a, 0xff, 0x3f, 0x04, 0x51, 0x6e, 0x02,
551 0x69, 0x8c, 0x09, 0x00, 0x00, 0x00, 0x27, 0x00 }
552 },
553 [8] = {0x110, /* Wide Screen Signal, PAL/SECAM */
554 {V4L2_SLICED_WSS_625, 23, 23, 1},
555 { 0x5b, 0x55, 0xc5, 0xff, 0x00, 0x71, 0x6e, 0x42,
556 0xa6, 0xcd, 0x0f, 0x00, 0x00, 0x00, 0x3a, 0x00 }
557 },
558 #if 0
559 [9] = {0x130, /* Wide Screen Signal, NTSC C */
560 {V4L2_SLICED_WSS_525, 20, 20, 1},
561 { 0x38, 0x00, 0x3f, 0x00, 0x00, 0x71, 0x6e, 0x43,
562 0x69, 0x7c, 0x08, 0x00, 0x00, 0x00, 0x39, 0x00 }
563 },
564 [10] = {0x150, /* Vertical Interval Timecode (VITC), PAL/SECAM */
565 {V4l2_SLICED_VITC_625, 6, 22, 0},
566 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
567 0xa6, 0x85, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
568 },
569 [11] = {0x170, /* Vertical Interval Timecode (VITC), NTSC */
570 {V4l2_SLICED_VITC_525, 10, 20, 0},
571 { 0x00, 0x00, 0x00, 0x00, 0x00, 0x8f, 0x6d, 0x49,
572 0x69, 0x94, 0x08, 0x00, 0x00, 0x00, 0x4c, 0x00 }
573 },
574 #endif
575 [12] = {0x190, /* Video Program System (VPS), PAL */
576 {V4L2_SLICED_VPS, 16, 16, 0},
577 { 0xaa, 0xaa, 0xff, 0xff, 0xba, 0xce, 0x2b, 0x0d,
578 0xa6, 0xda, 0x0b, 0x00, 0x00, 0x00, 0x60, 0x00 }
579 },
580 /* 0x1d0 User programmable */
581 };
582
tvp5150_write_inittab(struct v4l2_subdev * sd,const struct i2c_reg_value * regs)583 static int tvp5150_write_inittab(struct v4l2_subdev *sd,
584 const struct i2c_reg_value *regs)
585 {
586 while (regs->reg != 0xff) {
587 tvp5150_write(sd, regs->reg, regs->value);
588 regs++;
589 }
590 return 0;
591 }
592
tvp5150_vdp_init(struct v4l2_subdev * sd)593 static int tvp5150_vdp_init(struct v4l2_subdev *sd)
594 {
595 unsigned int i;
596 int j;
597
598 /* Disable Full Field */
599 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
600
601 /* Before programming, Line mode should be at 0xff */
602 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
603 tvp5150_write(sd, i, 0xff);
604
605 /* Load Ram Table */
606 for (j = 0; j < ARRAY_SIZE(vbi_ram_default); j++) {
607 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[j];
608
609 if (!regs->type.vbi_type)
610 continue;
611
612 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_HIGH, regs->reg >> 8);
613 tvp5150_write(sd, TVP5150_CONF_RAM_ADDR_LOW, regs->reg);
614
615 for (i = 0; i < 16; i++)
616 tvp5150_write(sd, TVP5150_VDP_CONF_RAM_DATA, regs->values[i]);
617 }
618 return 0;
619 }
620
621 /* Fills VBI capabilities based on i2c_vbi_ram_value struct */
tvp5150_g_sliced_vbi_cap(struct v4l2_subdev * sd,struct v4l2_sliced_vbi_cap * cap)622 static int tvp5150_g_sliced_vbi_cap(struct v4l2_subdev *sd,
623 struct v4l2_sliced_vbi_cap *cap)
624 {
625 int line, i;
626
627 dev_dbg_lvl(sd->dev, 1, debug, "g_sliced_vbi_cap\n");
628 memset(cap, 0, sizeof(*cap));
629
630 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
631 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
632
633 if (!regs->type.vbi_type)
634 continue;
635
636 for (line = regs->type.ini_line;
637 line <= regs->type.end_line;
638 line++) {
639 cap->service_lines[0][line] |= regs->type.vbi_type;
640 }
641 cap->service_set |= regs->type.vbi_type;
642 }
643 return 0;
644 }
645
646 /* Set vbi processing
647 * type - one of tvp5150_vbi_types
648 * line - line to gather data
649 * fields: bit 0 field1, bit 1, field2
650 * flags (default=0xf0) is a bitmask, were set means:
651 * bit 7: enable filtering null bytes on CC
652 * bit 6: send data also to FIFO
653 * bit 5: don't allow data with errors on FIFO
654 * bit 4: enable ECC when possible
655 * pix_align = pix alignment:
656 * LSB = field1
657 * MSB = field2
658 */
tvp5150_set_vbi(struct v4l2_subdev * sd,unsigned int type,u8 flags,int line,const int fields)659 static int tvp5150_set_vbi(struct v4l2_subdev *sd,
660 unsigned int type, u8 flags, int line,
661 const int fields)
662 {
663 struct tvp5150 *decoder = to_tvp5150(sd);
664 v4l2_std_id std = decoder->norm;
665 u8 reg;
666 int i, pos = 0;
667
668 if (std == V4L2_STD_ALL) {
669 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
670 return 0;
671 } else if (std & V4L2_STD_625_50) {
672 /* Don't follow NTSC Line number convension */
673 line += 3;
674 }
675
676 if (line < 6 || line > 27)
677 return 0;
678
679 for (i = 0; i < ARRAY_SIZE(vbi_ram_default); i++) {
680 const struct i2c_vbi_ram_value *regs = &vbi_ram_default[i];
681
682 if (!regs->type.vbi_type)
683 continue;
684
685 if ((type & regs->type.vbi_type) &&
686 (line >= regs->type.ini_line) &&
687 (line <= regs->type.end_line))
688 break;
689 pos++;
690 }
691
692 type = pos | (flags & 0xf0);
693 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
694
695 if (fields & 1)
696 tvp5150_write(sd, reg, type);
697
698 if (fields & 2)
699 tvp5150_write(sd, reg + 1, type);
700
701 return type;
702 }
703
tvp5150_get_vbi(struct v4l2_subdev * sd,int line)704 static int tvp5150_get_vbi(struct v4l2_subdev *sd, int line)
705 {
706 struct tvp5150 *decoder = to_tvp5150(sd);
707 v4l2_std_id std = decoder->norm;
708 u8 reg;
709 int pos, type = 0;
710 int i, ret = 0;
711
712 if (std == V4L2_STD_ALL) {
713 dev_err(sd->dev, "VBI can't be configured without knowing number of lines\n");
714 return 0;
715 } else if (std & V4L2_STD_625_50) {
716 /* Don't follow NTSC Line number convension */
717 line += 3;
718 }
719
720 if (line < 6 || line > 27)
721 return 0;
722
723 reg = ((line - 6) << 1) + TVP5150_LINE_MODE_INI;
724
725 for (i = 0; i <= 1; i++) {
726 ret = tvp5150_read(sd, reg + i);
727 if (ret < 0) {
728 dev_err(sd->dev, "%s: failed with error = %d\n",
729 __func__, ret);
730 return 0;
731 }
732 pos = ret & 0x0f;
733 if (pos < ARRAY_SIZE(vbi_ram_default))
734 type |= vbi_ram_default[pos].type.vbi_type;
735 }
736
737 return type;
738 }
739
tvp5150_set_std(struct v4l2_subdev * sd,v4l2_std_id std)740 static int tvp5150_set_std(struct v4l2_subdev *sd, v4l2_std_id std)
741 {
742 struct tvp5150 *decoder = to_tvp5150(sd);
743 int fmt = 0;
744
745 decoder->norm = std;
746
747 /* First tests should be against specific std */
748
749 if (std == V4L2_STD_NTSC_443) {
750 fmt = VIDEO_STD_NTSC_4_43_BIT;
751 } else if (std == V4L2_STD_PAL_M) {
752 fmt = VIDEO_STD_PAL_M_BIT;
753 } else if (std == V4L2_STD_PAL_N || std == V4L2_STD_PAL_Nc) {
754 fmt = VIDEO_STD_PAL_COMBINATION_N_BIT;
755 } else {
756 /* Then, test against generic ones */
757 if (std & V4L2_STD_NTSC)
758 fmt = VIDEO_STD_NTSC_MJ_BIT;
759 else if (std & V4L2_STD_PAL)
760 fmt = VIDEO_STD_PAL_BDGHIN_BIT;
761 else if (std & V4L2_STD_SECAM)
762 fmt = VIDEO_STD_SECAM_BIT;
763 }
764
765 dev_dbg_lvl(sd->dev, 1, debug, "Set video std register to %d.\n", fmt);
766 tvp5150_write(sd, TVP5150_VIDEO_STD, fmt);
767 return 0;
768 }
769
tvp5150_s_std(struct v4l2_subdev * sd,v4l2_std_id std)770 static int tvp5150_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
771 {
772 struct tvp5150 *decoder = to_tvp5150(sd);
773
774 if (decoder->norm == std)
775 return 0;
776
777 /* Change cropping height limits */
778 if (std & V4L2_STD_525_60)
779 decoder->rect.height = TVP5150_V_MAX_525_60;
780 else
781 decoder->rect.height = TVP5150_V_MAX_OTHERS;
782
783
784 return tvp5150_set_std(sd, std);
785 }
786
tvp5150_reset(struct v4l2_subdev * sd,u32 val)787 static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
788 {
789 struct tvp5150 *decoder = to_tvp5150(sd);
790
791 /* Initializes TVP5150 to its default values */
792 tvp5150_write_inittab(sd, tvp5150_init_default);
793
794 /* Initializes VDP registers */
795 tvp5150_vdp_init(sd);
796
797 /* Selects decoder input */
798 tvp5150_selmux(sd);
799
800 /* Initializes TVP5150 to stream enabled values */
801 tvp5150_write_inittab(sd, tvp5150_init_enable);
802
803 /* Initialize image preferences */
804 v4l2_ctrl_handler_setup(&decoder->hdl);
805
806 tvp5150_set_std(sd, decoder->norm);
807
808 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
809 tvp5150_write(sd, TVP5150_DATA_RATE_SEL, 0x40);
810
811 return 0;
812 };
813
tvp5150_s_ctrl(struct v4l2_ctrl * ctrl)814 static int tvp5150_s_ctrl(struct v4l2_ctrl *ctrl)
815 {
816 struct v4l2_subdev *sd = to_sd(ctrl);
817 struct tvp5150 *decoder = to_tvp5150(sd);
818
819 switch (ctrl->id) {
820 case V4L2_CID_BRIGHTNESS:
821 tvp5150_write(sd, TVP5150_BRIGHT_CTL, ctrl->val);
822 return 0;
823 case V4L2_CID_CONTRAST:
824 tvp5150_write(sd, TVP5150_CONTRAST_CTL, ctrl->val);
825 return 0;
826 case V4L2_CID_SATURATION:
827 tvp5150_write(sd, TVP5150_SATURATION_CTL, ctrl->val);
828 return 0;
829 case V4L2_CID_HUE:
830 tvp5150_write(sd, TVP5150_HUE_CTL, ctrl->val);
831 return 0;
832 case V4L2_CID_TEST_PATTERN:
833 decoder->enable = ctrl->val ? false : true;
834 tvp5150_selmux(sd);
835 return 0;
836 }
837 return -EINVAL;
838 }
839
tvp5150_read_std(struct v4l2_subdev * sd)840 static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
841 {
842 int val = tvp5150_read(sd, TVP5150_STATUS_REG_5);
843
844 switch (val & 0x0F) {
845 case 0x01:
846 return V4L2_STD_NTSC;
847 case 0x03:
848 return V4L2_STD_PAL;
849 case 0x05:
850 return V4L2_STD_PAL_M;
851 case 0x07:
852 return V4L2_STD_PAL_N | V4L2_STD_PAL_Nc;
853 case 0x09:
854 return V4L2_STD_NTSC_443;
855 case 0xb:
856 return V4L2_STD_SECAM;
857 default:
858 return V4L2_STD_UNKNOWN;
859 }
860 }
861
tvp5150_fill_fmt(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_format * format)862 static int tvp5150_fill_fmt(struct v4l2_subdev *sd,
863 struct v4l2_subdev_pad_config *cfg,
864 struct v4l2_subdev_format *format)
865 {
866 struct v4l2_mbus_framefmt *f;
867 struct tvp5150 *decoder = to_tvp5150(sd);
868
869 if (!format || (format->pad != DEMOD_PAD_VID_OUT))
870 return -EINVAL;
871
872 f = &format->format;
873
874 f->width = decoder->rect.width;
875 f->height = decoder->rect.height / 2;
876
877 f->code = MEDIA_BUS_FMT_UYVY8_2X8;
878 f->field = V4L2_FIELD_ALTERNATE;
879 f->colorspace = V4L2_COLORSPACE_SMPTE170M;
880
881 dev_dbg_lvl(sd->dev, 1, debug, "width = %d, height = %d\n", f->width,
882 f->height);
883 return 0;
884 }
885
tvp5150_set_selection(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_selection * sel)886 static int tvp5150_set_selection(struct v4l2_subdev *sd,
887 struct v4l2_subdev_pad_config *cfg,
888 struct v4l2_subdev_selection *sel)
889 {
890 struct tvp5150 *decoder = to_tvp5150(sd);
891 struct v4l2_rect rect = sel->r;
892 v4l2_std_id std;
893 int hmax;
894
895 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE ||
896 sel->target != V4L2_SEL_TGT_CROP)
897 return -EINVAL;
898
899 dev_dbg_lvl(sd->dev, 1, debug, "%s left=%d, top=%d, width=%d, height=%d\n",
900 __func__, rect.left, rect.top, rect.width, rect.height);
901
902 /* tvp5150 has some special limits */
903 rect.left = clamp(rect.left, 0, TVP5150_MAX_CROP_LEFT);
904 rect.top = clamp(rect.top, 0, TVP5150_MAX_CROP_TOP);
905
906 /* Calculate height based on current standard */
907 if (decoder->norm == V4L2_STD_ALL)
908 std = tvp5150_read_std(sd);
909 else
910 std = decoder->norm;
911
912 if (std & V4L2_STD_525_60)
913 hmax = TVP5150_V_MAX_525_60;
914 else
915 hmax = TVP5150_V_MAX_OTHERS;
916
917 /*
918 * alignments:
919 * - width = 2 due to UYVY colorspace
920 * - height, image = no special alignment
921 */
922 v4l_bound_align_image(&rect.width,
923 TVP5150_H_MAX - TVP5150_MAX_CROP_LEFT - rect.left,
924 TVP5150_H_MAX - rect.left, 1, &rect.height,
925 hmax - TVP5150_MAX_CROP_TOP - rect.top,
926 hmax - rect.top, 0, 0);
927
928 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, rect.top);
929 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP,
930 rect.top + rect.height - hmax);
931 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_MSB,
932 rect.left >> TVP5150_CROP_SHIFT);
933 tvp5150_write(sd, TVP5150_ACT_VD_CROP_ST_LSB,
934 rect.left | (1 << TVP5150_CROP_SHIFT));
935 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_MSB,
936 (rect.left + rect.width - TVP5150_MAX_CROP_LEFT) >>
937 TVP5150_CROP_SHIFT);
938 tvp5150_write(sd, TVP5150_ACT_VD_CROP_STP_LSB,
939 rect.left + rect.width - TVP5150_MAX_CROP_LEFT);
940
941 decoder->rect = rect;
942
943 return 0;
944 }
945
tvp5150_get_selection(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_selection * sel)946 static int tvp5150_get_selection(struct v4l2_subdev *sd,
947 struct v4l2_subdev_pad_config *cfg,
948 struct v4l2_subdev_selection *sel)
949 {
950 struct tvp5150 *decoder = container_of(sd, struct tvp5150, sd);
951 v4l2_std_id std;
952
953 if (sel->which != V4L2_SUBDEV_FORMAT_ACTIVE)
954 return -EINVAL;
955
956 switch (sel->target) {
957 case V4L2_SEL_TGT_CROP_BOUNDS:
958 case V4L2_SEL_TGT_CROP_DEFAULT:
959 sel->r.left = 0;
960 sel->r.top = 0;
961 sel->r.width = TVP5150_H_MAX;
962
963 /* Calculate height based on current standard */
964 if (decoder->norm == V4L2_STD_ALL)
965 std = tvp5150_read_std(sd);
966 else
967 std = decoder->norm;
968 if (std & V4L2_STD_525_60)
969 sel->r.height = TVP5150_V_MAX_525_60;
970 else
971 sel->r.height = TVP5150_V_MAX_OTHERS;
972 return 0;
973 case V4L2_SEL_TGT_CROP:
974 sel->r = decoder->rect;
975 return 0;
976 default:
977 return -EINVAL;
978 }
979 }
980
tvp5150_g_mbus_config(struct v4l2_subdev * sd,struct v4l2_mbus_config * cfg)981 static int tvp5150_g_mbus_config(struct v4l2_subdev *sd,
982 struct v4l2_mbus_config *cfg)
983 {
984 struct tvp5150 *decoder = to_tvp5150(sd);
985
986 cfg->type = decoder->mbus_type;
987 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING
988 | V4L2_MBUS_FIELD_EVEN_LOW | V4L2_MBUS_DATA_ACTIVE_HIGH;
989
990 return 0;
991 }
992
993 /****************************************************************************
994 V4L2 subdev pad ops
995 ****************************************************************************/
tvp5150_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_mbus_code_enum * code)996 static int tvp5150_enum_mbus_code(struct v4l2_subdev *sd,
997 struct v4l2_subdev_pad_config *cfg,
998 struct v4l2_subdev_mbus_code_enum *code)
999 {
1000 if (code->pad || code->index)
1001 return -EINVAL;
1002
1003 code->code = MEDIA_BUS_FMT_UYVY8_2X8;
1004 return 0;
1005 }
1006
tvp5150_enum_frame_size(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_frame_size_enum * fse)1007 static int tvp5150_enum_frame_size(struct v4l2_subdev *sd,
1008 struct v4l2_subdev_pad_config *cfg,
1009 struct v4l2_subdev_frame_size_enum *fse)
1010 {
1011 struct tvp5150 *decoder = to_tvp5150(sd);
1012
1013 if (fse->index >= 8 || fse->code != MEDIA_BUS_FMT_UYVY8_2X8)
1014 return -EINVAL;
1015
1016 fse->code = MEDIA_BUS_FMT_UYVY8_2X8;
1017 fse->min_width = decoder->rect.width;
1018 fse->max_width = decoder->rect.width;
1019 fse->min_height = decoder->rect.height / 2;
1020 fse->max_height = decoder->rect.height / 2;
1021
1022 return 0;
1023 }
1024
1025 /****************************************************************************
1026 Media entity ops
1027 ****************************************************************************/
1028
1029 #ifdef CONFIG_MEDIA_CONTROLLER
tvp5150_link_setup(struct media_entity * entity,const struct media_pad * local,const struct media_pad * remote,u32 flags)1030 static int tvp5150_link_setup(struct media_entity *entity,
1031 const struct media_pad *local,
1032 const struct media_pad *remote, u32 flags)
1033 {
1034 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1035 struct tvp5150 *decoder = to_tvp5150(sd);
1036 int i;
1037
1038 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1039 if (remote->entity == &decoder->input_ent[i])
1040 break;
1041 }
1042
1043 /* Do nothing for entities that are not input connectors */
1044 if (i == TVP5150_INPUT_NUM)
1045 return 0;
1046
1047 decoder->input = i;
1048
1049 tvp5150_selmux(sd);
1050
1051 return 0;
1052 }
1053
1054 static const struct media_entity_operations tvp5150_sd_media_ops = {
1055 .link_setup = tvp5150_link_setup,
1056 };
1057 #endif
1058
1059 /****************************************************************************
1060 I2C Command
1061 ****************************************************************************/
1062
tvp5150_s_stream(struct v4l2_subdev * sd,int enable)1063 static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
1064 {
1065 struct tvp5150 *decoder = to_tvp5150(sd);
1066 int val;
1067
1068 /* Enable or disable the video output signals. */
1069 val = tvp5150_read(sd, TVP5150_MISC_CTL);
1070 if (val < 0)
1071 return val;
1072
1073 val &= ~(TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_SYNC_OE |
1074 TVP5150_MISC_CTL_CLOCK_OE);
1075
1076 if (enable) {
1077 /*
1078 * Enable the YCbCr and clock outputs. In discrete sync mode
1079 * (non-BT.656) additionally enable the the sync outputs.
1080 */
1081 val |= TVP5150_MISC_CTL_YCBCR_OE | TVP5150_MISC_CTL_CLOCK_OE;
1082 if (decoder->mbus_type == V4L2_MBUS_PARALLEL)
1083 val |= TVP5150_MISC_CTL_SYNC_OE;
1084 }
1085
1086 tvp5150_write(sd, TVP5150_MISC_CTL, val);
1087
1088 return 0;
1089 }
1090
tvp5150_s_routing(struct v4l2_subdev * sd,u32 input,u32 output,u32 config)1091 static int tvp5150_s_routing(struct v4l2_subdev *sd,
1092 u32 input, u32 output, u32 config)
1093 {
1094 struct tvp5150 *decoder = to_tvp5150(sd);
1095
1096 decoder->input = input;
1097 decoder->output = output;
1098
1099 if (output == TVP5150_BLACK_SCREEN)
1100 decoder->enable = false;
1101 else
1102 decoder->enable = true;
1103
1104 tvp5150_selmux(sd);
1105 return 0;
1106 }
1107
tvp5150_s_raw_fmt(struct v4l2_subdev * sd,struct v4l2_vbi_format * fmt)1108 static int tvp5150_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt)
1109 {
1110 /*
1111 * this is for capturing 36 raw vbi lines
1112 * if there's a way to cut off the beginning 2 vbi lines
1113 * with the tvp5150 then the vbi line count could be lowered
1114 * to 17 lines/field again, although I couldn't find a register
1115 * which could do that cropping
1116 */
1117
1118 if (fmt->sample_format == V4L2_PIX_FMT_GREY)
1119 tvp5150_write(sd, TVP5150_LUMA_PROC_CTL_1, 0x70);
1120 if (fmt->count[0] == 18 && fmt->count[1] == 18) {
1121 tvp5150_write(sd, TVP5150_VERT_BLANKING_START, 0x00);
1122 tvp5150_write(sd, TVP5150_VERT_BLANKING_STOP, 0x01);
1123 }
1124 return 0;
1125 }
1126
tvp5150_s_sliced_fmt(struct v4l2_subdev * sd,struct v4l2_sliced_vbi_format * svbi)1127 static int tvp5150_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1128 {
1129 int i;
1130
1131 if (svbi->service_set != 0) {
1132 for (i = 0; i <= 23; i++) {
1133 svbi->service_lines[1][i] = 0;
1134 svbi->service_lines[0][i] =
1135 tvp5150_set_vbi(sd, svbi->service_lines[0][i],
1136 0xf0, i, 3);
1137 }
1138 /* Enables FIFO */
1139 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 1);
1140 } else {
1141 /* Disables FIFO*/
1142 tvp5150_write(sd, TVP5150_FIFO_OUT_CTRL, 0);
1143
1144 /* Disable Full Field */
1145 tvp5150_write(sd, TVP5150_FULL_FIELD_ENA, 0);
1146
1147 /* Disable Line modes */
1148 for (i = TVP5150_LINE_MODE_INI; i <= TVP5150_LINE_MODE_END; i++)
1149 tvp5150_write(sd, i, 0xff);
1150 }
1151 return 0;
1152 }
1153
tvp5150_g_sliced_fmt(struct v4l2_subdev * sd,struct v4l2_sliced_vbi_format * svbi)1154 static int tvp5150_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *svbi)
1155 {
1156 int i, mask = 0;
1157
1158 memset(svbi->service_lines, 0, sizeof(svbi->service_lines));
1159
1160 for (i = 0; i <= 23; i++) {
1161 svbi->service_lines[0][i] =
1162 tvp5150_get_vbi(sd, i);
1163 mask |= svbi->service_lines[0][i];
1164 }
1165 svbi->service_set = mask;
1166 return 0;
1167 }
1168
1169 #ifdef CONFIG_VIDEO_ADV_DEBUG
tvp5150_g_register(struct v4l2_subdev * sd,struct v4l2_dbg_register * reg)1170 static int tvp5150_g_register(struct v4l2_subdev *sd, struct v4l2_dbg_register *reg)
1171 {
1172 int res;
1173
1174 res = tvp5150_read(sd, reg->reg & 0xff);
1175 if (res < 0) {
1176 dev_err(sd->dev, "%s: failed with error = %d\n", __func__, res);
1177 return res;
1178 }
1179
1180 reg->val = res;
1181 reg->size = 1;
1182 return 0;
1183 }
1184
tvp5150_s_register(struct v4l2_subdev * sd,const struct v4l2_dbg_register * reg)1185 static int tvp5150_s_register(struct v4l2_subdev *sd, const struct v4l2_dbg_register *reg)
1186 {
1187 return tvp5150_write(sd, reg->reg & 0xff, reg->val & 0xff);
1188 }
1189 #endif
1190
tvp5150_g_tuner(struct v4l2_subdev * sd,struct v4l2_tuner * vt)1191 static int tvp5150_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
1192 {
1193 int status = tvp5150_read(sd, 0x88);
1194
1195 vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
1196 return 0;
1197 }
1198
tvp5150_registered(struct v4l2_subdev * sd)1199 static int tvp5150_registered(struct v4l2_subdev *sd)
1200 {
1201 #ifdef CONFIG_MEDIA_CONTROLLER
1202 struct tvp5150 *decoder = to_tvp5150(sd);
1203 int ret = 0;
1204 int i;
1205
1206 for (i = 0; i < TVP5150_INPUT_NUM; i++) {
1207 struct media_entity *input = &decoder->input_ent[i];
1208 struct media_pad *pad = &decoder->input_pad[i];
1209
1210 if (!input->name)
1211 continue;
1212
1213 decoder->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
1214
1215 ret = media_entity_pads_init(input, 1, pad);
1216 if (ret < 0)
1217 return ret;
1218
1219 ret = media_device_register_entity(sd->v4l2_dev->mdev, input);
1220 if (ret < 0)
1221 return ret;
1222
1223 ret = media_create_pad_link(input, 0, &sd->entity,
1224 DEMOD_PAD_IF_INPUT, 0);
1225 if (ret < 0) {
1226 media_device_unregister_entity(input);
1227 return ret;
1228 }
1229 }
1230 #endif
1231
1232 return 0;
1233 }
1234
1235 /* ----------------------------------------------------------------------- */
1236
1237 static const struct v4l2_ctrl_ops tvp5150_ctrl_ops = {
1238 .s_ctrl = tvp5150_s_ctrl,
1239 };
1240
1241 static const struct v4l2_subdev_core_ops tvp5150_core_ops = {
1242 .log_status = tvp5150_log_status,
1243 .reset = tvp5150_reset,
1244 #ifdef CONFIG_VIDEO_ADV_DEBUG
1245 .g_register = tvp5150_g_register,
1246 .s_register = tvp5150_s_register,
1247 #endif
1248 };
1249
1250 static const struct v4l2_subdev_tuner_ops tvp5150_tuner_ops = {
1251 .g_tuner = tvp5150_g_tuner,
1252 };
1253
1254 static const struct v4l2_subdev_video_ops tvp5150_video_ops = {
1255 .s_std = tvp5150_s_std,
1256 .s_stream = tvp5150_s_stream,
1257 .s_routing = tvp5150_s_routing,
1258 .g_mbus_config = tvp5150_g_mbus_config,
1259 };
1260
1261 static const struct v4l2_subdev_vbi_ops tvp5150_vbi_ops = {
1262 .g_sliced_vbi_cap = tvp5150_g_sliced_vbi_cap,
1263 .g_sliced_fmt = tvp5150_g_sliced_fmt,
1264 .s_sliced_fmt = tvp5150_s_sliced_fmt,
1265 .s_raw_fmt = tvp5150_s_raw_fmt,
1266 };
1267
1268 static const struct v4l2_subdev_pad_ops tvp5150_pad_ops = {
1269 .enum_mbus_code = tvp5150_enum_mbus_code,
1270 .enum_frame_size = tvp5150_enum_frame_size,
1271 .set_fmt = tvp5150_fill_fmt,
1272 .get_fmt = tvp5150_fill_fmt,
1273 .get_selection = tvp5150_get_selection,
1274 .set_selection = tvp5150_set_selection,
1275 };
1276
1277 static const struct v4l2_subdev_ops tvp5150_ops = {
1278 .core = &tvp5150_core_ops,
1279 .tuner = &tvp5150_tuner_ops,
1280 .video = &tvp5150_video_ops,
1281 .vbi = &tvp5150_vbi_ops,
1282 .pad = &tvp5150_pad_ops,
1283 };
1284
1285 static const struct v4l2_subdev_internal_ops tvp5150_internal_ops = {
1286 .registered = tvp5150_registered,
1287 };
1288
1289
1290 /****************************************************************************
1291 I2C Client & Driver
1292 ****************************************************************************/
1293
tvp5150_detect_version(struct tvp5150 * core)1294 static int tvp5150_detect_version(struct tvp5150 *core)
1295 {
1296 struct v4l2_subdev *sd = &core->sd;
1297 struct i2c_client *c = v4l2_get_subdevdata(sd);
1298 unsigned int i;
1299 u8 regs[4];
1300 int res;
1301
1302 /*
1303 * Read consequent registers - TVP5150_MSB_DEV_ID, TVP5150_LSB_DEV_ID,
1304 * TVP5150_ROM_MAJOR_VER, TVP5150_ROM_MINOR_VER
1305 */
1306 for (i = 0; i < 4; i++) {
1307 res = tvp5150_read(sd, TVP5150_MSB_DEV_ID + i);
1308 if (res < 0)
1309 return res;
1310 regs[i] = res;
1311 }
1312
1313 core->dev_id = (regs[0] << 8) | regs[1];
1314 core->rom_ver = (regs[2] << 8) | regs[3];
1315
1316 dev_info(sd->dev, "tvp%04x (%u.%u) chip found @ 0x%02x (%s)\n",
1317 core->dev_id, regs[2], regs[3], c->addr << 1,
1318 c->adapter->name);
1319
1320 if (core->dev_id == 0x5150 && core->rom_ver == 0x0321) {
1321 dev_info(sd->dev, "tvp5150a detected.\n");
1322 } else if (core->dev_id == 0x5150 && core->rom_ver == 0x0400) {
1323 dev_info(sd->dev, "tvp5150am1 detected.\n");
1324
1325 /* ITU-T BT.656.4 timing */
1326 tvp5150_write(sd, TVP5150_REV_SELECT, 0);
1327 } else if (core->dev_id == 0x5151 && core->rom_ver == 0x0100) {
1328 dev_info(sd->dev, "tvp5151 detected.\n");
1329 } else {
1330 dev_info(sd->dev, "*** unknown tvp%04x chip detected.\n",
1331 core->dev_id);
1332 }
1333
1334 return 0;
1335 }
1336
tvp5150_init(struct i2c_client * c)1337 static int tvp5150_init(struct i2c_client *c)
1338 {
1339 struct gpio_desc *pdn_gpio;
1340 struct gpio_desc *reset_gpio;
1341
1342 pdn_gpio = devm_gpiod_get_optional(&c->dev, "pdn", GPIOD_OUT_HIGH);
1343 if (IS_ERR(pdn_gpio))
1344 return PTR_ERR(pdn_gpio);
1345
1346 if (pdn_gpio) {
1347 gpiod_set_value_cansleep(pdn_gpio, 0);
1348 /* Delay time between power supplies active and reset */
1349 msleep(20);
1350 }
1351
1352 reset_gpio = devm_gpiod_get_optional(&c->dev, "reset", GPIOD_OUT_HIGH);
1353 if (IS_ERR(reset_gpio))
1354 return PTR_ERR(reset_gpio);
1355
1356 if (reset_gpio) {
1357 /* RESETB pulse duration */
1358 ndelay(500);
1359 gpiod_set_value_cansleep(reset_gpio, 0);
1360 /* Delay time between end of reset to I2C active */
1361 usleep_range(200, 250);
1362 }
1363
1364 return 0;
1365 }
1366
tvp5150_parse_dt(struct tvp5150 * decoder,struct device_node * np)1367 static int tvp5150_parse_dt(struct tvp5150 *decoder, struct device_node *np)
1368 {
1369 struct v4l2_fwnode_endpoint bus_cfg;
1370 struct device_node *ep;
1371 #ifdef CONFIG_MEDIA_CONTROLLER
1372 struct device_node *connectors, *child;
1373 struct media_entity *input;
1374 const char *name;
1375 u32 input_type;
1376 #endif
1377 unsigned int flags;
1378 int ret = 0;
1379
1380 ep = of_graph_get_next_endpoint(np, NULL);
1381 if (!ep)
1382 return -EINVAL;
1383
1384 ret = v4l2_fwnode_endpoint_parse(of_fwnode_handle(ep), &bus_cfg);
1385 if (ret)
1386 goto err;
1387
1388 flags = bus_cfg.bus.parallel.flags;
1389
1390 if (bus_cfg.bus_type == V4L2_MBUS_PARALLEL &&
1391 !(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH &&
1392 flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH &&
1393 flags & V4L2_MBUS_FIELD_EVEN_LOW)) {
1394 ret = -EINVAL;
1395 goto err;
1396 }
1397
1398 decoder->mbus_type = bus_cfg.bus_type;
1399
1400 #ifdef CONFIG_MEDIA_CONTROLLER
1401 connectors = of_get_child_by_name(np, "connectors");
1402
1403 if (!connectors)
1404 goto err;
1405
1406 for_each_available_child_of_node(connectors, child) {
1407 ret = of_property_read_u32(child, "input", &input_type);
1408 if (ret) {
1409 dev_err(decoder->sd.dev,
1410 "missing type property in node %s\n",
1411 child->name);
1412 goto err_connector;
1413 }
1414
1415 if (input_type >= TVP5150_INPUT_NUM) {
1416 ret = -EINVAL;
1417 goto err_connector;
1418 }
1419
1420 input = &decoder->input_ent[input_type];
1421
1422 /* Each input connector can only be defined once */
1423 if (input->name) {
1424 dev_err(decoder->sd.dev,
1425 "input %s with same type already exists\n",
1426 input->name);
1427 ret = -EINVAL;
1428 goto err_connector;
1429 }
1430
1431 switch (input_type) {
1432 case TVP5150_COMPOSITE0:
1433 case TVP5150_COMPOSITE1:
1434 input->function = MEDIA_ENT_F_CONN_COMPOSITE;
1435 break;
1436 case TVP5150_SVIDEO:
1437 input->function = MEDIA_ENT_F_CONN_SVIDEO;
1438 break;
1439 }
1440
1441 input->flags = MEDIA_ENT_FL_CONNECTOR;
1442
1443 ret = of_property_read_string(child, "label", &name);
1444 if (ret < 0) {
1445 dev_err(decoder->sd.dev,
1446 "missing label property in node %s\n",
1447 child->name);
1448 goto err_connector;
1449 }
1450
1451 input->name = name;
1452 }
1453
1454 err_connector:
1455 of_node_put(connectors);
1456 #endif
1457 err:
1458 of_node_put(ep);
1459 return ret;
1460 }
1461
1462 static const char * const tvp5150_test_patterns[2] = {
1463 "Disabled",
1464 "Black screen"
1465 };
1466
tvp5150_probe(struct i2c_client * c,const struct i2c_device_id * id)1467 static int tvp5150_probe(struct i2c_client *c,
1468 const struct i2c_device_id *id)
1469 {
1470 struct tvp5150 *core;
1471 struct v4l2_subdev *sd;
1472 struct device_node *np = c->dev.of_node;
1473 int res;
1474
1475 /* Check if the adapter supports the needed features */
1476 if (!i2c_check_functionality(c->adapter,
1477 I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
1478 return -EIO;
1479
1480 res = tvp5150_init(c);
1481 if (res)
1482 return res;
1483
1484 core = devm_kzalloc(&c->dev, sizeof(*core), GFP_KERNEL);
1485 if (!core)
1486 return -ENOMEM;
1487
1488 sd = &core->sd;
1489
1490 if (IS_ENABLED(CONFIG_OF) && np) {
1491 res = tvp5150_parse_dt(core, np);
1492 if (res) {
1493 dev_err(sd->dev, "DT parsing error: %d\n", res);
1494 return res;
1495 }
1496 } else {
1497 /* Default to BT.656 embedded sync */
1498 core->mbus_type = V4L2_MBUS_BT656;
1499 }
1500
1501 v4l2_i2c_subdev_init(sd, c, &tvp5150_ops);
1502 sd->internal_ops = &tvp5150_internal_ops;
1503 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1504
1505 #if defined(CONFIG_MEDIA_CONTROLLER)
1506 core->pads[DEMOD_PAD_IF_INPUT].flags = MEDIA_PAD_FL_SINK;
1507 core->pads[DEMOD_PAD_VID_OUT].flags = MEDIA_PAD_FL_SOURCE;
1508 core->pads[DEMOD_PAD_VBI_OUT].flags = MEDIA_PAD_FL_SOURCE;
1509
1510 sd->entity.function = MEDIA_ENT_F_ATV_DECODER;
1511
1512 res = media_entity_pads_init(&sd->entity, DEMOD_NUM_PADS, core->pads);
1513 if (res < 0)
1514 return res;
1515
1516 sd->entity.ops = &tvp5150_sd_media_ops;
1517 #endif
1518
1519 res = tvp5150_detect_version(core);
1520 if (res < 0)
1521 return res;
1522
1523 core->norm = V4L2_STD_ALL; /* Default is autodetect */
1524 core->input = TVP5150_COMPOSITE1;
1525 core->enable = true;
1526
1527 v4l2_ctrl_handler_init(&core->hdl, 5);
1528 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1529 V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
1530 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1531 V4L2_CID_CONTRAST, 0, 255, 1, 128);
1532 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1533 V4L2_CID_SATURATION, 0, 255, 1, 128);
1534 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1535 V4L2_CID_HUE, -128, 127, 1, 0);
1536 v4l2_ctrl_new_std(&core->hdl, &tvp5150_ctrl_ops,
1537 V4L2_CID_PIXEL_RATE, 27000000,
1538 27000000, 1, 27000000);
1539 v4l2_ctrl_new_std_menu_items(&core->hdl, &tvp5150_ctrl_ops,
1540 V4L2_CID_TEST_PATTERN,
1541 ARRAY_SIZE(tvp5150_test_patterns) - 1,
1542 0, 0, tvp5150_test_patterns);
1543 sd->ctrl_handler = &core->hdl;
1544 if (core->hdl.error) {
1545 res = core->hdl.error;
1546 goto err;
1547 }
1548
1549 /* Default is no cropping */
1550 core->rect.top = 0;
1551 if (tvp5150_read_std(sd) & V4L2_STD_525_60)
1552 core->rect.height = TVP5150_V_MAX_525_60;
1553 else
1554 core->rect.height = TVP5150_V_MAX_OTHERS;
1555 core->rect.left = 0;
1556 core->rect.width = TVP5150_H_MAX;
1557
1558 tvp5150_reset(sd, 0); /* Calls v4l2_ctrl_handler_setup() */
1559
1560 res = v4l2_async_register_subdev(sd);
1561 if (res < 0)
1562 goto err;
1563
1564 if (debug > 1)
1565 tvp5150_log_status(sd);
1566 return 0;
1567
1568 err:
1569 v4l2_ctrl_handler_free(&core->hdl);
1570 return res;
1571 }
1572
tvp5150_remove(struct i2c_client * c)1573 static int tvp5150_remove(struct i2c_client *c)
1574 {
1575 struct v4l2_subdev *sd = i2c_get_clientdata(c);
1576 struct tvp5150 *decoder = to_tvp5150(sd);
1577
1578 dev_dbg_lvl(sd->dev, 1, debug,
1579 "tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
1580 c->addr << 1);
1581
1582 v4l2_async_unregister_subdev(sd);
1583 v4l2_ctrl_handler_free(&decoder->hdl);
1584 return 0;
1585 }
1586
1587 /* ----------------------------------------------------------------------- */
1588
1589 static const struct i2c_device_id tvp5150_id[] = {
1590 { "tvp5150", 0 },
1591 { }
1592 };
1593 MODULE_DEVICE_TABLE(i2c, tvp5150_id);
1594
1595 #if IS_ENABLED(CONFIG_OF)
1596 static const struct of_device_id tvp5150_of_match[] = {
1597 { .compatible = "ti,tvp5150", },
1598 { /* sentinel */ },
1599 };
1600 MODULE_DEVICE_TABLE(of, tvp5150_of_match);
1601 #endif
1602
1603 static struct i2c_driver tvp5150_driver = {
1604 .driver = {
1605 .of_match_table = of_match_ptr(tvp5150_of_match),
1606 .name = "tvp5150",
1607 },
1608 .probe = tvp5150_probe,
1609 .remove = tvp5150_remove,
1610 .id_table = tvp5150_id,
1611 };
1612
1613 module_i2c_driver(tvp5150_driver);
1614