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Commit | Line | Data |
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07b1747c | 1 | /* |
cb7a01ac | 2 | * drivers/media/i2c/tvp514x.c |
07b1747c VH |
3 | * |
4 | * TI TVP5146/47 decoder driver | |
5 | * | |
6 | * Copyright (C) 2008 Texas Instruments Inc | |
7 | * Author: Vaibhav Hiremath <hvaibhav@ti.com> | |
8 | * | |
9 | * Contributors: | |
10 | * Sivaraj R <sivaraj@ti.com> | |
11 | * Brijesh R Jadav <brijesh.j@ti.com> | |
12 | * Hardik Shah <hardik.shah@ti.com> | |
13 | * Manjunath Hadli <mrh@ti.com> | |
14 | * Karicheri Muralidharan <m-karicheri2@ti.com> | |
5b38b0f8 | 15 | * Prabhakar Lad <prabhakar.lad@ti.com> |
07b1747c VH |
16 | * |
17 | * This package is free software; you can redistribute it and/or modify | |
18 | * it under the terms of the GNU General Public License version 2 as | |
19 | * published by the Free Software Foundation. | |
20 | * | |
21 | * This program is distributed in the hope that it will be useful, | |
22 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
23 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
24 | * GNU General Public License for more details. | |
25 | * | |
07b1747c VH |
26 | */ |
27 | ||
28 | #include <linux/i2c.h> | |
5a0e3ad6 | 29 | #include <linux/slab.h> |
07b1747c VH |
30 | #include <linux/delay.h> |
31 | #include <linux/videodev2.h> | |
7a707b89 | 32 | #include <linux/module.h> |
5b38b0f8 | 33 | #include <linux/v4l2-mediabus.h> |
098bcba3 | 34 | #include <linux/of.h> |
fd9fdb78 | 35 | #include <linux/of_graph.h> |
62ef80a1 | 36 | |
8f23acb5 | 37 | #include <media/v4l2-async.h> |
62ef80a1 MK |
38 | #include <media/v4l2-device.h> |
39 | #include <media/v4l2-common.h> | |
83811913 | 40 | #include <media/v4l2-mediabus.h> |
859969b3 | 41 | #include <media/v4l2-fwnode.h> |
cf6832af | 42 | #include <media/v4l2-ctrls.h> |
b5dcee22 | 43 | #include <media/i2c/tvp514x.h> |
5b38b0f8 | 44 | #include <media/media-entity.h> |
07b1747c VH |
45 | |
46 | #include "tvp514x_regs.h" | |
47 | ||
07b1747c VH |
48 | /* Private macros for TVP */ |
49 | #define I2C_RETRY_COUNT (5) | |
50 | #define LOCK_RETRY_COUNT (5) | |
51 | #define LOCK_RETRY_DELAY (200) | |
52 | ||
53 | /* Debug functions */ | |
90ab5ee9 | 54 | static bool debug; |
07b1747c VH |
55 | module_param(debug, bool, 0644); |
56 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
57 | ||
62ef80a1 MK |
58 | MODULE_AUTHOR("Texas Instruments"); |
59 | MODULE_DESCRIPTION("TVP514X linux decoder driver"); | |
60 | MODULE_LICENSE("GPL"); | |
07b1747c | 61 | |
c1c9d09c | 62 | /* enum tvp514x_std - enum for supported standards */ |
07b1747c VH |
63 | enum tvp514x_std { |
64 | STD_NTSC_MJ = 0, | |
65 | STD_PAL_BDGHIN, | |
66 | STD_INVALID | |
67 | }; | |
68 | ||
c1c9d09c | 69 | /** |
07b1747c VH |
70 | * struct tvp514x_std_info - Structure to store standard informations |
71 | * @width: Line width in pixels | |
72 | * @height:Number of active lines | |
73 | * @video_std: Value to write in REG_VIDEO_STD register | |
74 | * @standard: v4l2 standard structure information | |
75 | */ | |
76 | struct tvp514x_std_info { | |
77 | unsigned long width; | |
78 | unsigned long height; | |
79 | u8 video_std; | |
80 | struct v4l2_standard standard; | |
81 | }; | |
82 | ||
6722e0ef | 83 | static struct tvp514x_reg tvp514x_reg_list_default[0x40]; |
63b59cec VH |
84 | |
85 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable); | |
c1c9d09c | 86 | /** |
6722e0ef | 87 | * struct tvp514x_decoder - TVP5146/47 decoder object |
62ef80a1 | 88 | * @sd: Subdevice Slave handle |
6722e0ef | 89 | * @tvp514x_regs: copy of hw's regs with preset values. |
07b1747c | 90 | * @pdata: Board specific |
07b1747c | 91 | * @ver: Chip version |
62ef80a1 | 92 | * @streaming: TVP5146/47 decoder streaming - enabled or disabled. |
5b38b0f8 MH |
93 | * @pix: Current pixel format |
94 | * @num_fmts: Number of formats | |
95 | * @fmt_list: Format list | |
07b1747c VH |
96 | * @current_std: Current standard |
97 | * @num_stds: Number of standards | |
98 | * @std_list: Standards list | |
62ef80a1 MK |
99 | * @input: Input routing at chip level |
100 | * @output: Output routing at chip level | |
07b1747c VH |
101 | */ |
102 | struct tvp514x_decoder { | |
62ef80a1 | 103 | struct v4l2_subdev sd; |
cf6832af | 104 | struct v4l2_ctrl_handler hdl; |
6722e0ef | 105 | struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)]; |
07b1747c | 106 | const struct tvp514x_platform_data *pdata; |
07b1747c VH |
107 | |
108 | int ver; | |
62ef80a1 | 109 | int streaming; |
07b1747c | 110 | |
5b38b0f8 MH |
111 | struct v4l2_pix_format pix; |
112 | int num_fmts; | |
113 | const struct v4l2_fmtdesc *fmt_list; | |
114 | ||
07b1747c VH |
115 | enum tvp514x_std current_std; |
116 | int num_stds; | |
a75ffc12 | 117 | const struct tvp514x_std_info *std_list; |
c1c9d09c | 118 | /* Input and Output Routing parameters */ |
62ef80a1 MK |
119 | u32 input; |
120 | u32 output; | |
5b38b0f8 MH |
121 | |
122 | /* mc related members */ | |
123 | struct media_pad pad; | |
124 | struct v4l2_mbus_framefmt format; | |
f0a12d0c LPC |
125 | |
126 | struct tvp514x_reg *int_seq; | |
07b1747c VH |
127 | }; |
128 | ||
129 | /* TVP514x default register values */ | |
6722e0ef | 130 | static struct tvp514x_reg tvp514x_reg_list_default[] = { |
c1c9d09c MK |
131 | /* Composite selected */ |
132 | {TOK_WRITE, REG_INPUT_SEL, 0x05}, | |
07b1747c | 133 | {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, |
c1c9d09c MK |
134 | /* Auto mode */ |
135 | {TOK_WRITE, REG_VIDEO_STD, 0x00}, | |
07b1747c VH |
136 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
137 | {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, | |
138 | {TOK_WRITE, REG_COLOR_KILLER, 0x10}, | |
139 | {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, | |
140 | {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, | |
141 | {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, | |
142 | {TOK_WRITE, REG_BRIGHTNESS, 0x80}, | |
143 | {TOK_WRITE, REG_CONTRAST, 0x80}, | |
144 | {TOK_WRITE, REG_SATURATION, 0x80}, | |
145 | {TOK_WRITE, REG_HUE, 0x00}, | |
146 | {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, | |
147 | {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, | |
c1c9d09c MK |
148 | /* Reserved */ |
149 | {TOK_SKIP, 0x0F, 0x00}, | |
07b1747c VH |
150 | {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, |
151 | {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, | |
152 | {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, | |
c1c9d09c MK |
153 | /* Reserved */ |
154 | {TOK_SKIP, 0x13, 0x00}, | |
07b1747c | 155 | {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, |
c1c9d09c MK |
156 | /* Reserved */ |
157 | {TOK_SKIP, 0x15, 0x00}, | |
158 | /* NTSC timing */ | |
159 | {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, | |
07b1747c VH |
160 | {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, |
161 | {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, | |
162 | {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, | |
c1c9d09c MK |
163 | /* NTSC timing */ |
164 | {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, | |
07b1747c VH |
165 | {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, |
166 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, | |
167 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, | |
c1c9d09c MK |
168 | /* NTSC timing */ |
169 | {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, | |
07b1747c VH |
170 | {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, |
171 | {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, | |
172 | {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
173 | /* NTSC timing */ |
174 | {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, | |
07b1747c VH |
175 | {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, |
176 | {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, | |
177 | {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
178 | /* Reserved */ |
179 | {TOK_SKIP, 0x26, 0x00}, | |
180 | /* Reserved */ | |
181 | {TOK_SKIP, 0x27, 0x00}, | |
07b1747c | 182 | {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, |
c1c9d09c MK |
183 | /* Reserved */ |
184 | {TOK_SKIP, 0x29, 0x00}, | |
07b1747c | 185 | {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, |
c1c9d09c MK |
186 | /* Reserved */ |
187 | {TOK_SKIP, 0x2B, 0x00}, | |
07b1747c VH |
188 | {TOK_SKIP, REG_SCART_DELAY, 0x00}, |
189 | {TOK_SKIP, REG_CTI_DELAY, 0x00}, | |
190 | {TOK_SKIP, REG_CTI_CONTROL, 0x00}, | |
c1c9d09c MK |
191 | /* Reserved */ |
192 | {TOK_SKIP, 0x2F, 0x00}, | |
193 | /* Reserved */ | |
194 | {TOK_SKIP, 0x30, 0x00}, | |
195 | /* Reserved */ | |
196 | {TOK_SKIP, 0x31, 0x00}, | |
197 | /* HS, VS active high */ | |
198 | {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, | |
199 | /* 10-bit BT.656 */ | |
200 | {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, | |
201 | /* Enable clk & data */ | |
202 | {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, | |
203 | /* Enable AVID & FLD */ | |
204 | {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, | |
205 | /* Enable VS & HS */ | |
206 | {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, | |
07b1747c VH |
207 | {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, |
208 | {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, | |
c1c9d09c MK |
209 | /* Clear status */ |
210 | {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, | |
07b1747c VH |
211 | {TOK_TERM, 0, 0}, |
212 | }; | |
213 | ||
5b38b0f8 MH |
214 | /** |
215 | * List of image formats supported by TVP5146/47 decoder | |
216 | * Currently we are using 8 bit mode only, but can be | |
217 | * extended to 10/20 bit mode. | |
218 | */ | |
219 | static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { | |
220 | { | |
221 | .index = 0, | |
222 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
223 | .flags = 0, | |
224 | .description = "8-bit UYVY 4:2:2 Format", | |
225 | .pixelformat = V4L2_PIX_FMT_UYVY, | |
226 | }, | |
227 | }; | |
228 | ||
c1c9d09c | 229 | /** |
07b1747c VH |
230 | * Supported standards - |
231 | * | |
232 | * Currently supports two standards only, need to add support for rest of the | |
233 | * modes, like SECAM, etc... | |
234 | */ | |
a75ffc12 | 235 | static const struct tvp514x_std_info tvp514x_std_list[] = { |
07b1747c VH |
236 | /* Standard: STD_NTSC_MJ */ |
237 | [STD_NTSC_MJ] = { | |
238 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
239 | .height = NTSC_NUM_ACTIVE_LINES, | |
240 | .video_std = VIDEO_STD_NTSC_MJ_BIT, | |
241 | .standard = { | |
242 | .index = 0, | |
243 | .id = V4L2_STD_NTSC, | |
244 | .name = "NTSC", | |
245 | .frameperiod = {1001, 30000}, | |
246 | .framelines = 525 | |
247 | }, | |
248 | /* Standard: STD_PAL_BDGHIN */ | |
249 | }, | |
250 | [STD_PAL_BDGHIN] = { | |
251 | .width = PAL_NUM_ACTIVE_PIXELS, | |
252 | .height = PAL_NUM_ACTIVE_LINES, | |
253 | .video_std = VIDEO_STD_PAL_BDGHIN_BIT, | |
254 | .standard = { | |
255 | .index = 1, | |
256 | .id = V4L2_STD_PAL, | |
257 | .name = "PAL", | |
258 | .frameperiod = {1, 25}, | |
259 | .framelines = 625 | |
260 | }, | |
261 | }, | |
262 | /* Standard: need to add for additional standard */ | |
263 | }; | |
62ef80a1 MK |
264 | |
265 | ||
266 | static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) | |
267 | { | |
268 | return container_of(sd, struct tvp514x_decoder, sd); | |
269 | } | |
270 | ||
cf6832af HV |
271 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
272 | { | |
273 | return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd; | |
274 | } | |
275 | ||
07b1747c | 276 | |
c1c9d09c MK |
277 | /** |
278 | * tvp514x_read_reg() - Read a value from a register in an TVP5146/47. | |
279 | * @sd: ptr to v4l2_subdev struct | |
280 | * @reg: TVP5146/47 register address | |
281 | * | |
07b1747c VH |
282 | * Returns value read if successful, or non-zero (-1) otherwise. |
283 | */ | |
62ef80a1 | 284 | static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) |
07b1747c | 285 | { |
62ef80a1 MK |
286 | int err, retry = 0; |
287 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
288 | ||
07b1747c VH |
289 | read_again: |
290 | ||
291 | err = i2c_smbus_read_byte_data(client, reg); | |
6f901a99 | 292 | if (err < 0) { |
07b1747c | 293 | if (retry <= I2C_RETRY_COUNT) { |
62ef80a1 | 294 | v4l2_warn(sd, "Read: retry ... %d\n", retry); |
07b1747c VH |
295 | retry++; |
296 | msleep_interruptible(10); | |
297 | goto read_again; | |
298 | } | |
299 | } | |
300 | ||
301 | return err; | |
302 | } | |
303 | ||
c1c9d09c MK |
304 | /** |
305 | * dump_reg() - dump the register content of TVP5146/47. | |
306 | * @sd: ptr to v4l2_subdev struct | |
307 | * @reg: TVP5146/47 register address | |
308 | */ | |
62ef80a1 MK |
309 | static void dump_reg(struct v4l2_subdev *sd, u8 reg) |
310 | { | |
311 | u32 val; | |
312 | ||
313 | val = tvp514x_read_reg(sd, reg); | |
314 | v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val); | |
315 | } | |
316 | ||
c1c9d09c MK |
317 | /** |
318 | * tvp514x_write_reg() - Write a value to a register in TVP5146/47 | |
319 | * @sd: ptr to v4l2_subdev struct | |
320 | * @reg: TVP5146/47 register address | |
321 | * @val: value to be written to the register | |
322 | * | |
07b1747c VH |
323 | * Write a value to a register in an TVP5146/47 decoder device. |
324 | * Returns zero if successful, or non-zero otherwise. | |
325 | */ | |
62ef80a1 | 326 | static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val) |
07b1747c | 327 | { |
62ef80a1 MK |
328 | int err, retry = 0; |
329 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
330 | ||
07b1747c VH |
331 | write_again: |
332 | ||
333 | err = i2c_smbus_write_byte_data(client, reg, val); | |
334 | if (err) { | |
335 | if (retry <= I2C_RETRY_COUNT) { | |
62ef80a1 | 336 | v4l2_warn(sd, "Write: retry ... %d\n", retry); |
07b1747c VH |
337 | retry++; |
338 | msleep_interruptible(10); | |
339 | goto write_again; | |
340 | } | |
341 | } | |
342 | ||
343 | return err; | |
344 | } | |
345 | ||
c1c9d09c MK |
346 | /** |
347 | * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers | |
348 | * @sd: ptr to v4l2_subdev struct | |
349 | * @reglist: list of TVP5146/47 registers and values | |
350 | * | |
351 | * Initializes a list of TVP5146/47 registers:- | |
07b1747c VH |
352 | * if token is TOK_TERM, then entire write operation terminates |
353 | * if token is TOK_DELAY, then a delay of 'val' msec is introduced | |
354 | * if token is TOK_SKIP, then the register write is skipped | |
355 | * if token is TOK_WRITE, then the register write is performed | |
07b1747c VH |
356 | * Returns zero if successful, or non-zero otherwise. |
357 | */ | |
62ef80a1 | 358 | static int tvp514x_write_regs(struct v4l2_subdev *sd, |
07b1747c VH |
359 | const struct tvp514x_reg reglist[]) |
360 | { | |
361 | int err; | |
362 | const struct tvp514x_reg *next = reglist; | |
363 | ||
364 | for (; next->token != TOK_TERM; next++) { | |
365 | if (next->token == TOK_DELAY) { | |
366 | msleep(next->val); | |
367 | continue; | |
368 | } | |
369 | ||
370 | if (next->token == TOK_SKIP) | |
371 | continue; | |
372 | ||
62ef80a1 | 373 | err = tvp514x_write_reg(sd, next->reg, (u8) next->val); |
07b1747c | 374 | if (err) { |
62ef80a1 | 375 | v4l2_err(sd, "Write failed. Err[%d]\n", err); |
07b1747c VH |
376 | return err; |
377 | } | |
378 | } | |
379 | return 0; | |
380 | } | |
381 | ||
c1c9d09c | 382 | /** |
2db4e78f | 383 | * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47 |
c1c9d09c MK |
384 | * @sd: ptr to v4l2_subdev struct |
385 | * | |
2db4e78f | 386 | * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no |
c1c9d09c | 387 | * standard detected. |
07b1747c | 388 | */ |
2db4e78f | 389 | static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd) |
07b1747c VH |
390 | { |
391 | u8 std, std_status; | |
392 | ||
62ef80a1 MK |
393 | std = tvp514x_read_reg(sd, REG_VIDEO_STD); |
394 | if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) | |
07b1747c | 395 | /* use the standard status register */ |
62ef80a1 MK |
396 | std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS); |
397 | else | |
c1c9d09c MK |
398 | /* use the standard register itself */ |
399 | std_status = std; | |
07b1747c VH |
400 | |
401 | switch (std_status & VIDEO_STD_MASK) { | |
402 | case VIDEO_STD_NTSC_MJ_BIT: | |
403 | return STD_NTSC_MJ; | |
404 | ||
405 | case VIDEO_STD_PAL_BDGHIN_BIT: | |
406 | return STD_PAL_BDGHIN; | |
407 | ||
408 | default: | |
409 | return STD_INVALID; | |
410 | } | |
411 | ||
412 | return STD_INVALID; | |
413 | } | |
414 | ||
c1c9d09c | 415 | /* TVP5146/47 register dump function */ |
62ef80a1 | 416 | static void tvp514x_reg_dump(struct v4l2_subdev *sd) |
07b1747c | 417 | { |
62ef80a1 MK |
418 | dump_reg(sd, REG_INPUT_SEL); |
419 | dump_reg(sd, REG_AFE_GAIN_CTRL); | |
420 | dump_reg(sd, REG_VIDEO_STD); | |
421 | dump_reg(sd, REG_OPERATION_MODE); | |
422 | dump_reg(sd, REG_COLOR_KILLER); | |
423 | dump_reg(sd, REG_LUMA_CONTROL1); | |
424 | dump_reg(sd, REG_LUMA_CONTROL2); | |
425 | dump_reg(sd, REG_LUMA_CONTROL3); | |
426 | dump_reg(sd, REG_BRIGHTNESS); | |
427 | dump_reg(sd, REG_CONTRAST); | |
428 | dump_reg(sd, REG_SATURATION); | |
429 | dump_reg(sd, REG_HUE); | |
430 | dump_reg(sd, REG_CHROMA_CONTROL1); | |
431 | dump_reg(sd, REG_CHROMA_CONTROL2); | |
432 | dump_reg(sd, REG_COMP_PR_SATURATION); | |
433 | dump_reg(sd, REG_COMP_Y_CONTRAST); | |
434 | dump_reg(sd, REG_COMP_PB_SATURATION); | |
435 | dump_reg(sd, REG_COMP_Y_BRIGHTNESS); | |
436 | dump_reg(sd, REG_AVID_START_PIXEL_LSB); | |
437 | dump_reg(sd, REG_AVID_START_PIXEL_MSB); | |
438 | dump_reg(sd, REG_AVID_STOP_PIXEL_LSB); | |
439 | dump_reg(sd, REG_AVID_STOP_PIXEL_MSB); | |
440 | dump_reg(sd, REG_HSYNC_START_PIXEL_LSB); | |
441 | dump_reg(sd, REG_HSYNC_START_PIXEL_MSB); | |
442 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB); | |
443 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB); | |
444 | dump_reg(sd, REG_VSYNC_START_LINE_LSB); | |
445 | dump_reg(sd, REG_VSYNC_START_LINE_MSB); | |
446 | dump_reg(sd, REG_VSYNC_STOP_LINE_LSB); | |
447 | dump_reg(sd, REG_VSYNC_STOP_LINE_MSB); | |
448 | dump_reg(sd, REG_VBLK_START_LINE_LSB); | |
449 | dump_reg(sd, REG_VBLK_START_LINE_MSB); | |
450 | dump_reg(sd, REG_VBLK_STOP_LINE_LSB); | |
451 | dump_reg(sd, REG_VBLK_STOP_LINE_MSB); | |
452 | dump_reg(sd, REG_SYNC_CONTROL); | |
453 | dump_reg(sd, REG_OUTPUT_FORMATTER1); | |
454 | dump_reg(sd, REG_OUTPUT_FORMATTER2); | |
455 | dump_reg(sd, REG_OUTPUT_FORMATTER3); | |
456 | dump_reg(sd, REG_OUTPUT_FORMATTER4); | |
457 | dump_reg(sd, REG_OUTPUT_FORMATTER5); | |
458 | dump_reg(sd, REG_OUTPUT_FORMATTER6); | |
459 | dump_reg(sd, REG_CLEAR_LOST_LOCK); | |
07b1747c VH |
460 | } |
461 | ||
c1c9d09c MK |
462 | /** |
463 | * tvp514x_configure() - Configure the TVP5146/47 registers | |
464 | * @sd: ptr to v4l2_subdev struct | |
465 | * @decoder: ptr to tvp514x_decoder structure | |
466 | * | |
07b1747c VH |
467 | * Returns zero if successful, or non-zero otherwise. |
468 | */ | |
62ef80a1 MK |
469 | static int tvp514x_configure(struct v4l2_subdev *sd, |
470 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
471 | { |
472 | int err; | |
473 | ||
474 | /* common register initialization */ | |
475 | err = | |
62ef80a1 | 476 | tvp514x_write_regs(sd, decoder->tvp514x_regs); |
07b1747c VH |
477 | if (err) |
478 | return err; | |
479 | ||
480 | if (debug) | |
62ef80a1 | 481 | tvp514x_reg_dump(sd); |
07b1747c VH |
482 | |
483 | return 0; | |
484 | } | |
485 | ||
c1c9d09c MK |
486 | /** |
487 | * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision. | |
488 | * @sd: pointer to standard V4L2 sub-device structure | |
489 | * @decoder: pointer to tvp514x_decoder structure | |
490 | * | |
07b1747c VH |
491 | * A device is considered to be detected if the chip ID (LSB and MSB) |
492 | * registers match the expected values. | |
493 | * Any value of the rom version register is accepted. | |
494 | * Returns ENODEV error number if no device is detected, or zero | |
495 | * if a device is detected. | |
496 | */ | |
62ef80a1 MK |
497 | static int tvp514x_detect(struct v4l2_subdev *sd, |
498 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
499 | { |
500 | u8 chip_id_msb, chip_id_lsb, rom_ver; | |
62ef80a1 | 501 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
07b1747c | 502 | |
62ef80a1 MK |
503 | chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB); |
504 | chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB); | |
505 | rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION); | |
07b1747c | 506 | |
62ef80a1 | 507 | v4l2_dbg(1, debug, sd, |
07b1747c VH |
508 | "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", |
509 | chip_id_msb, chip_id_lsb, rom_ver); | |
510 | if ((chip_id_msb != TVP514X_CHIP_ID_MSB) | |
511 | || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) | |
512 | && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { | |
513 | /* We didn't read the values we expected, so this must not be | |
514 | * an TVP5146/47. | |
515 | */ | |
62ef80a1 MK |
516 | v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n", |
517 | chip_id_msb, chip_id_lsb); | |
07b1747c VH |
518 | return -ENODEV; |
519 | } | |
520 | ||
521 | decoder->ver = rom_ver; | |
07b1747c | 522 | |
62ef80a1 MK |
523 | v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n", |
524 | client->name, decoder->ver, | |
525 | client->addr << 1, client->adapter->name); | |
07b1747c VH |
526 | return 0; |
527 | } | |
528 | ||
c1c9d09c MK |
529 | /** |
530 | * tvp514x_querystd() - V4L2 decoder interface handler for querystd | |
62ef80a1 | 531 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
532 | * @std_id: standard V4L2 std_id ioctl enum |
533 | * | |
534 | * Returns the current standard detected by TVP5146/47. If no active input is | |
2db4e78f | 535 | * detected then *std_id is set to 0 and the function returns 0. |
07b1747c | 536 | */ |
62ef80a1 | 537 | static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) |
07b1747c | 538 | { |
62ef80a1 | 539 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
540 | enum tvp514x_std current_std; |
541 | enum tvp514x_input input_sel; | |
542 | u8 sync_lock_status, lock_mask; | |
543 | ||
544 | if (std_id == NULL) | |
545 | return -EINVAL; | |
546 | ||
c389648a HV |
547 | /* To query the standard the TVP514x must power on the ADCs. */ |
548 | if (!decoder->streaming) { | |
549 | tvp514x_s_stream(sd, 1); | |
550 | msleep(LOCK_RETRY_DELAY); | |
551 | } | |
552 | ||
2db4e78f HV |
553 | /* query the current standard */ |
554 | current_std = tvp514x_query_current_std(sd); | |
55852cbb HV |
555 | if (current_std == STD_INVALID) { |
556 | *std_id = V4L2_STD_UNKNOWN; | |
2db4e78f | 557 | return 0; |
55852cbb | 558 | } |
07b1747c | 559 | |
62ef80a1 | 560 | input_sel = decoder->input; |
07b1747c VH |
561 | |
562 | switch (input_sel) { | |
563 | case INPUT_CVBS_VI1A: | |
564 | case INPUT_CVBS_VI1B: | |
565 | case INPUT_CVBS_VI1C: | |
566 | case INPUT_CVBS_VI2A: | |
567 | case INPUT_CVBS_VI2B: | |
568 | case INPUT_CVBS_VI2C: | |
569 | case INPUT_CVBS_VI3A: | |
570 | case INPUT_CVBS_VI3B: | |
571 | case INPUT_CVBS_VI3C: | |
572 | case INPUT_CVBS_VI4A: | |
573 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
574 | STATUS_HORZ_SYNC_LOCK_BIT | | |
575 | STATUS_VIRT_SYNC_LOCK_BIT; | |
576 | break; | |
577 | ||
578 | case INPUT_SVIDEO_VI2A_VI1A: | |
579 | case INPUT_SVIDEO_VI2B_VI1B: | |
580 | case INPUT_SVIDEO_VI2C_VI1C: | |
581 | case INPUT_SVIDEO_VI2A_VI3A: | |
582 | case INPUT_SVIDEO_VI2B_VI3B: | |
583 | case INPUT_SVIDEO_VI2C_VI3C: | |
584 | case INPUT_SVIDEO_VI4A_VI1A: | |
585 | case INPUT_SVIDEO_VI4A_VI1B: | |
586 | case INPUT_SVIDEO_VI4A_VI1C: | |
587 | case INPUT_SVIDEO_VI4A_VI3A: | |
588 | case INPUT_SVIDEO_VI4A_VI3B: | |
589 | case INPUT_SVIDEO_VI4A_VI3C: | |
590 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
591 | STATUS_VIRT_SYNC_LOCK_BIT; | |
592 | break; | |
593 | /*Need to add other interfaces*/ | |
594 | default: | |
595 | return -EINVAL; | |
596 | } | |
597 | /* check whether signal is locked */ | |
62ef80a1 | 598 | sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1); |
55852cbb HV |
599 | if (lock_mask != (sync_lock_status & lock_mask)) { |
600 | *std_id = V4L2_STD_UNKNOWN; | |
2db4e78f | 601 | return 0; /* No input detected */ |
55852cbb | 602 | } |
07b1747c | 603 | |
55852cbb | 604 | *std_id &= decoder->std_list[current_std].standard.id; |
07b1747c | 605 | |
2db4e78f | 606 | v4l2_dbg(1, debug, sd, "Current STD: %s\n", |
07b1747c VH |
607 | decoder->std_list[current_std].standard.name); |
608 | return 0; | |
609 | } | |
610 | ||
c1c9d09c MK |
611 | /** |
612 | * tvp514x_s_std() - V4L2 decoder interface handler for s_std | |
62ef80a1 | 613 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
614 | * @std_id: standard V4L2 v4l2_std_id ioctl enum |
615 | * | |
616 | * If std_id is supported, sets the requested standard. Otherwise, returns | |
617 | * -EINVAL | |
618 | */ | |
62ef80a1 | 619 | static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id) |
07b1747c | 620 | { |
62ef80a1 | 621 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
622 | int err, i; |
623 | ||
07b1747c | 624 | for (i = 0; i < decoder->num_stds; i++) |
62ef80a1 | 625 | if (std_id & decoder->std_list[i].standard.id) |
07b1747c VH |
626 | break; |
627 | ||
628 | if ((i == decoder->num_stds) || (i == STD_INVALID)) | |
629 | return -EINVAL; | |
630 | ||
62ef80a1 | 631 | err = tvp514x_write_reg(sd, REG_VIDEO_STD, |
07b1747c VH |
632 | decoder->std_list[i].video_std); |
633 | if (err) | |
634 | return err; | |
635 | ||
636 | decoder->current_std = i; | |
6722e0ef SAS |
637 | decoder->tvp514x_regs[REG_VIDEO_STD].val = |
638 | decoder->std_list[i].video_std; | |
07b1747c | 639 | |
3907b072 | 640 | v4l2_dbg(1, debug, sd, "Standard set to: %s\n", |
07b1747c VH |
641 | decoder->std_list[i].standard.name); |
642 | return 0; | |
643 | } | |
644 | ||
c1c9d09c MK |
645 | /** |
646 | * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing | |
62ef80a1 | 647 | * @sd: pointer to standard V4L2 sub-device structure |
c1c9d09c MK |
648 | * @input: input selector for routing the signal |
649 | * @output: output selector for routing the signal | |
650 | * @config: config value. Not used | |
07b1747c VH |
651 | * |
652 | * If index is valid, selects the requested input. Otherwise, returns -EINVAL if | |
653 | * the input is not supported or there is no active signal present in the | |
654 | * selected input. | |
655 | */ | |
62ef80a1 MK |
656 | static int tvp514x_s_routing(struct v4l2_subdev *sd, |
657 | u32 input, u32 output, u32 config) | |
07b1747c | 658 | { |
62ef80a1 | 659 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
660 | int err; |
661 | enum tvp514x_input input_sel; | |
662 | enum tvp514x_output output_sel; | |
07b1747c | 663 | |
62ef80a1 MK |
664 | if ((input >= INPUT_INVALID) || |
665 | (output >= OUTPUT_INVALID)) | |
c1c9d09c MK |
666 | /* Index out of bound */ |
667 | return -EINVAL; | |
07b1747c | 668 | |
62ef80a1 MK |
669 | input_sel = input; |
670 | output_sel = output; | |
07b1747c | 671 | |
62ef80a1 | 672 | err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel); |
07b1747c VH |
673 | if (err) |
674 | return err; | |
675 | ||
62ef80a1 | 676 | output_sel |= tvp514x_read_reg(sd, |
07b1747c | 677 | REG_OUTPUT_FORMATTER1) & 0x7; |
62ef80a1 | 678 | err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1, |
07b1747c VH |
679 | output_sel); |
680 | if (err) | |
681 | return err; | |
682 | ||
6722e0ef SAS |
683 | decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel; |
684 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel; | |
62ef80a1 MK |
685 | decoder->input = input; |
686 | decoder->output = output; | |
07b1747c | 687 | |
2db4e78f | 688 | v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel); |
07b1747c VH |
689 | |
690 | return 0; | |
691 | } | |
692 | ||
c1c9d09c MK |
693 | /** |
694 | * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl | |
cf6832af | 695 | * @ctrl: pointer to v4l2_ctrl structure |
07b1747c VH |
696 | * |
697 | * If the requested control is supported, sets the control's current | |
698 | * value in HW. Otherwise, returns -EINVAL if the control is not supported. | |
699 | */ | |
cf6832af | 700 | static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl) |
07b1747c | 701 | { |
cf6832af | 702 | struct v4l2_subdev *sd = to_sd(ctrl); |
62ef80a1 | 703 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
704 | int err = -EINVAL, value; |
705 | ||
cf6832af | 706 | value = ctrl->val; |
07b1747c VH |
707 | |
708 | switch (ctrl->id) { | |
709 | case V4L2_CID_BRIGHTNESS: | |
cf6832af HV |
710 | err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value); |
711 | if (!err) | |
712 | decoder->tvp514x_regs[REG_BRIGHTNESS].val = value; | |
07b1747c VH |
713 | break; |
714 | case V4L2_CID_CONTRAST: | |
62ef80a1 | 715 | err = tvp514x_write_reg(sd, REG_CONTRAST, value); |
cf6832af HV |
716 | if (!err) |
717 | decoder->tvp514x_regs[REG_CONTRAST].val = value; | |
07b1747c VH |
718 | break; |
719 | case V4L2_CID_SATURATION: | |
62ef80a1 | 720 | err = tvp514x_write_reg(sd, REG_SATURATION, value); |
cf6832af HV |
721 | if (!err) |
722 | decoder->tvp514x_regs[REG_SATURATION].val = value; | |
07b1747c VH |
723 | break; |
724 | case V4L2_CID_HUE: | |
725 | if (value == 180) | |
726 | value = 0x7F; | |
727 | else if (value == -180) | |
728 | value = 0x80; | |
62ef80a1 | 729 | err = tvp514x_write_reg(sd, REG_HUE, value); |
cf6832af HV |
730 | if (!err) |
731 | decoder->tvp514x_regs[REG_HUE].val = value; | |
07b1747c VH |
732 | break; |
733 | case V4L2_CID_AUTOGAIN: | |
cf6832af HV |
734 | err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c); |
735 | if (!err) | |
736 | decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value; | |
07b1747c | 737 | break; |
07b1747c VH |
738 | } |
739 | ||
3907b072 | 740 | v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n", |
cf6832af | 741 | ctrl->id, ctrl->val); |
07b1747c VH |
742 | return err; |
743 | } | |
744 | ||
c1c9d09c MK |
745 | /** |
746 | * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm | |
62ef80a1 | 747 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
748 | * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure |
749 | * | |
750 | * Returns the decoder's video CAPTURE parameters. | |
751 | */ | |
752 | static int | |
62ef80a1 | 753 | tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 754 | { |
62ef80a1 | 755 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
756 | struct v4l2_captureparm *cparm; |
757 | enum tvp514x_std current_std; | |
758 | ||
759 | if (a == NULL) | |
760 | return -EINVAL; | |
761 | ||
762 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
763 | /* only capture is supported */ |
764 | return -EINVAL; | |
07b1747c | 765 | |
07b1747c | 766 | /* get the current standard */ |
2db4e78f | 767 | current_std = decoder->current_std; |
07b1747c VH |
768 | |
769 | cparm = &a->parm.capture; | |
770 | cparm->capability = V4L2_CAP_TIMEPERFRAME; | |
771 | cparm->timeperframe = | |
772 | decoder->std_list[current_std].standard.frameperiod; | |
773 | ||
774 | return 0; | |
775 | } | |
776 | ||
c1c9d09c MK |
777 | /** |
778 | * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm | |
62ef80a1 | 779 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
780 | * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure |
781 | * | |
782 | * Configures the decoder to use the input parameters, if possible. If | |
783 | * not possible, returns the appropriate error code. | |
784 | */ | |
785 | static int | |
62ef80a1 | 786 | tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 787 | { |
62ef80a1 | 788 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
789 | struct v4l2_fract *timeperframe; |
790 | enum tvp514x_std current_std; | |
791 | ||
792 | if (a == NULL) | |
793 | return -EINVAL; | |
794 | ||
795 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
796 | /* only capture is supported */ |
797 | return -EINVAL; | |
07b1747c VH |
798 | |
799 | timeperframe = &a->parm.capture.timeperframe; | |
800 | ||
801 | /* get the current standard */ | |
2db4e78f | 802 | current_std = decoder->current_std; |
07b1747c VH |
803 | |
804 | *timeperframe = | |
805 | decoder->std_list[current_std].standard.frameperiod; | |
806 | ||
807 | return 0; | |
808 | } | |
809 | ||
c1c9d09c MK |
810 | /** |
811 | * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream | |
62ef80a1 MK |
812 | * @sd: pointer to standard V4L2 sub-device structure |
813 | * @enable: streaming enable or disable | |
07b1747c | 814 | * |
62ef80a1 | 815 | * Sets streaming to enable or disable, if possible. |
07b1747c | 816 | */ |
62ef80a1 | 817 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable) |
07b1747c | 818 | { |
07b1747c | 819 | int err = 0; |
62ef80a1 | 820 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c | 821 | |
62ef80a1 MK |
822 | if (decoder->streaming == enable) |
823 | return 0; | |
07b1747c | 824 | |
62ef80a1 MK |
825 | switch (enable) { |
826 | case 0: | |
827 | { | |
828 | /* Power Down Sequence */ | |
829 | err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01); | |
830 | if (err) { | |
831 | v4l2_err(sd, "Unable to turn off decoder\n"); | |
832 | return err; | |
833 | } | |
834 | decoder->streaming = enable; | |
07b1747c | 835 | break; |
62ef80a1 MK |
836 | } |
837 | case 1: | |
838 | { | |
62ef80a1 | 839 | /* Power Up Sequence */ |
f0a12d0c | 840 | err = tvp514x_write_regs(sd, decoder->int_seq); |
62ef80a1 MK |
841 | if (err) { |
842 | v4l2_err(sd, "Unable to turn on decoder\n"); | |
843 | return err; | |
844 | } | |
845 | /* Detect if not already detected */ | |
846 | err = tvp514x_detect(sd, decoder); | |
847 | if (err) { | |
848 | v4l2_err(sd, "Unable to detect decoder\n"); | |
849 | return err; | |
07b1747c | 850 | } |
62ef80a1 MK |
851 | err = tvp514x_configure(sd, decoder); |
852 | if (err) { | |
853 | v4l2_err(sd, "Unable to configure decoder\n"); | |
854 | return err; | |
855 | } | |
856 | decoder->streaming = enable; | |
07b1747c | 857 | break; |
62ef80a1 | 858 | } |
07b1747c VH |
859 | default: |
860 | err = -ENODEV; | |
861 | break; | |
862 | } | |
863 | ||
864 | return err; | |
865 | } | |
866 | ||
cf6832af | 867 | static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = { |
62ef80a1 | 868 | .s_ctrl = tvp514x_s_ctrl, |
cf6832af HV |
869 | }; |
870 | ||
5b38b0f8 MH |
871 | /** |
872 | * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code | |
873 | * @sd: pointer to standard V4L2 sub-device structure | |
f7234138 | 874 | * @cfg: pad configuration |
5b38b0f8 MH |
875 | * @code: pointer to v4l2_subdev_mbus_code_enum structure |
876 | * | |
877 | * Enumertaes mbus codes supported | |
878 | */ | |
879 | static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd, | |
f7234138 | 880 | struct v4l2_subdev_pad_config *cfg, |
5b38b0f8 MH |
881 | struct v4l2_subdev_mbus_code_enum *code) |
882 | { | |
883 | u32 pad = code->pad; | |
884 | u32 index = code->index; | |
885 | ||
886 | memset(code, 0, sizeof(*code)); | |
887 | code->index = index; | |
888 | code->pad = pad; | |
889 | ||
890 | if (index != 0) | |
891 | return -EINVAL; | |
892 | ||
1a33ac00 | 893 | code->code = MEDIA_BUS_FMT_UYVY8_2X8; |
5b38b0f8 MH |
894 | |
895 | return 0; | |
896 | } | |
897 | ||
898 | /** | |
899 | * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format | |
900 | * @sd: pointer to standard V4L2 sub-device structure | |
f7234138 | 901 | * @cfg: pad configuration |
5b38b0f8 MH |
902 | * @format: pointer to v4l2_subdev_format structure |
903 | * | |
904 | * Retrieves pad format which is active or tried based on requirement | |
905 | */ | |
906 | static int tvp514x_get_pad_format(struct v4l2_subdev *sd, | |
f7234138 | 907 | struct v4l2_subdev_pad_config *cfg, |
5b38b0f8 MH |
908 | struct v4l2_subdev_format *format) |
909 | { | |
910 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
911 | __u32 which = format->which; | |
912 | ||
da298c6d HV |
913 | if (format->pad) |
914 | return -EINVAL; | |
915 | ||
5b38b0f8 MH |
916 | if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { |
917 | format->format = decoder->format; | |
918 | return 0; | |
919 | } | |
920 | ||
1a33ac00 | 921 | format->format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
5b38b0f8 MH |
922 | format->format.width = tvp514x_std_list[decoder->current_std].width; |
923 | format->format.height = tvp514x_std_list[decoder->current_std].height; | |
924 | format->format.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
925 | format->format.field = V4L2_FIELD_INTERLACED; | |
926 | ||
927 | return 0; | |
928 | } | |
929 | ||
930 | /** | |
931 | * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format | |
932 | * @sd: pointer to standard V4L2 sub-device structure | |
f7234138 | 933 | * @cfg: pad configuration |
5b38b0f8 MH |
934 | * @format: pointer to v4l2_subdev_format structure |
935 | * | |
936 | * Set pad format for the output pad | |
937 | */ | |
938 | static int tvp514x_set_pad_format(struct v4l2_subdev *sd, | |
f7234138 | 939 | struct v4l2_subdev_pad_config *cfg, |
5b38b0f8 MH |
940 | struct v4l2_subdev_format *fmt) |
941 | { | |
942 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
943 | ||
944 | if (fmt->format.field != V4L2_FIELD_INTERLACED || | |
1a33ac00 | 945 | fmt->format.code != MEDIA_BUS_FMT_UYVY8_2X8 || |
5b38b0f8 MH |
946 | fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M || |
947 | fmt->format.width != tvp514x_std_list[decoder->current_std].width || | |
948 | fmt->format.height != tvp514x_std_list[decoder->current_std].height) | |
949 | return -EINVAL; | |
950 | ||
951 | decoder->format = fmt->format; | |
952 | ||
953 | return 0; | |
954 | } | |
955 | ||
62ef80a1 | 956 | static const struct v4l2_subdev_video_ops tvp514x_video_ops = { |
8774bed9 | 957 | .s_std = tvp514x_s_std, |
62ef80a1 MK |
958 | .s_routing = tvp514x_s_routing, |
959 | .querystd = tvp514x_querystd, | |
62ef80a1 MK |
960 | .g_parm = tvp514x_g_parm, |
961 | .s_parm = tvp514x_s_parm, | |
962 | .s_stream = tvp514x_s_stream, | |
963 | }; | |
07b1747c | 964 | |
5b38b0f8 MH |
965 | static const struct v4l2_subdev_pad_ops tvp514x_pad_ops = { |
966 | .enum_mbus_code = tvp514x_enum_mbus_code, | |
967 | .get_fmt = tvp514x_get_pad_format, | |
968 | .set_fmt = tvp514x_set_pad_format, | |
969 | }; | |
970 | ||
62ef80a1 | 971 | static const struct v4l2_subdev_ops tvp514x_ops = { |
62ef80a1 | 972 | .video = &tvp514x_video_ops, |
5b38b0f8 | 973 | .pad = &tvp514x_pad_ops, |
07b1747c VH |
974 | }; |
975 | ||
db83d08d | 976 | static const struct tvp514x_decoder tvp514x_dev = { |
62ef80a1 | 977 | .streaming = 0, |
5b38b0f8 MH |
978 | .fmt_list = tvp514x_fmt_list, |
979 | .num_fmts = ARRAY_SIZE(tvp514x_fmt_list), | |
980 | .pix = { | |
981 | /* Default to NTSC 8-bit YUV 422 */ | |
982 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
983 | .height = NTSC_NUM_ACTIVE_LINES, | |
984 | .pixelformat = V4L2_PIX_FMT_UYVY, | |
985 | .field = V4L2_FIELD_INTERLACED, | |
986 | .bytesperline = NTSC_NUM_ACTIVE_PIXELS * 2, | |
987 | .sizeimage = NTSC_NUM_ACTIVE_PIXELS * 2 * | |
988 | NTSC_NUM_ACTIVE_LINES, | |
989 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
990 | }, | |
07b1747c VH |
991 | .current_std = STD_NTSC_MJ, |
992 | .std_list = tvp514x_std_list, | |
993 | .num_stds = ARRAY_SIZE(tvp514x_std_list), | |
62ef80a1 | 994 | |
07b1747c VH |
995 | }; |
996 | ||
b610b592 LP |
997 | static struct tvp514x_platform_data * |
998 | tvp514x_get_pdata(struct i2c_client *client) | |
999 | { | |
fe1e6ac6 | 1000 | struct tvp514x_platform_data *pdata = NULL; |
859969b3 | 1001 | struct v4l2_fwnode_endpoint bus_cfg; |
b610b592 LP |
1002 | struct device_node *endpoint; |
1003 | unsigned int flags; | |
1004 | ||
1005 | if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) | |
1006 | return client->dev.platform_data; | |
1007 | ||
fd9fdb78 | 1008 | endpoint = of_graph_get_next_endpoint(client->dev.of_node, NULL); |
b610b592 LP |
1009 | if (!endpoint) |
1010 | return NULL; | |
1011 | ||
859969b3 | 1012 | if (v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), &bus_cfg)) |
fe1e6ac6 JMC |
1013 | goto done; |
1014 | ||
b610b592 LP |
1015 | pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); |
1016 | if (!pdata) | |
1017 | goto done; | |
1018 | ||
b610b592 LP |
1019 | flags = bus_cfg.bus.parallel.flags; |
1020 | ||
1021 | if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) | |
1022 | pdata->hs_polarity = 1; | |
1023 | ||
1024 | if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) | |
1025 | pdata->vs_polarity = 1; | |
1026 | ||
1027 | if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) | |
1028 | pdata->clk_polarity = 1; | |
1029 | ||
1030 | done: | |
1031 | of_node_put(endpoint); | |
1032 | return pdata; | |
1033 | } | |
1034 | ||
c1c9d09c MK |
1035 | /** |
1036 | * tvp514x_probe() - decoder driver i2c probe handler | |
07b1747c | 1037 | * @client: i2c driver client device structure |
62ef80a1 | 1038 | * @id: i2c driver id table |
07b1747c VH |
1039 | * |
1040 | * Register decoder as an i2c client device and V4L2 | |
1041 | * device. | |
1042 | */ | |
1043 | static int | |
1044 | tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1045 | { | |
b610b592 | 1046 | struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client); |
6722e0ef | 1047 | struct tvp514x_decoder *decoder; |
62ef80a1 | 1048 | struct v4l2_subdev *sd; |
5b38b0f8 | 1049 | int ret; |
07b1747c | 1050 | |
b610b592 LP |
1051 | if (pdata == NULL) { |
1052 | dev_err(&client->dev, "No platform data\n"); | |
1053 | return -EINVAL; | |
1054 | } | |
1055 | ||
07b1747c VH |
1056 | /* Check if the adapter supports the needed features */ |
1057 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1058 | return -EIO; | |
1059 | ||
08754d31 | 1060 | decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL); |
6722e0ef SAS |
1061 | if (!decoder) |
1062 | return -ENOMEM; | |
1063 | ||
c1c9d09c | 1064 | /* Initialize the tvp514x_decoder with default configuration */ |
6722e0ef | 1065 | *decoder = tvp514x_dev; |
62ef80a1 | 1066 | /* Copy default register configuration */ |
6722e0ef SAS |
1067 | memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, |
1068 | sizeof(tvp514x_reg_list_default)); | |
62ef80a1 | 1069 | |
f0a12d0c LPC |
1070 | decoder->int_seq = (struct tvp514x_reg *)id->driver_data; |
1071 | ||
c1c9d09c | 1072 | /* Copy board specific information here */ |
b610b592 | 1073 | decoder->pdata = pdata; |
62ef80a1 | 1074 | |
c1c9d09c | 1075 | /** |
07b1747c VH |
1076 | * Fetch platform specific data, and configure the |
1077 | * tvp514x_reg_list[] accordingly. Since this is one | |
1078 | * time configuration, no need to preserve. | |
1079 | */ | |
6722e0ef | 1080 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= |
62ef80a1 | 1081 | (decoder->pdata->clk_polarity << 1); |
6722e0ef | 1082 | decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= |
62ef80a1 MK |
1083 | ((decoder->pdata->hs_polarity << 2) | |
1084 | (decoder->pdata->vs_polarity << 3)); | |
1085 | /* Set default standard to auto */ | |
1086 | decoder->tvp514x_regs[REG_VIDEO_STD].val = | |
1087 | VIDEO_STD_AUTO_SWITCH_BIT; | |
07b1747c VH |
1088 | |
1089 | /* Register with V4L2 layer as slave device */ | |
62ef80a1 MK |
1090 | sd = &decoder->sd; |
1091 | v4l2_i2c_subdev_init(sd, client, &tvp514x_ops); | |
5b38b0f8 MH |
1092 | |
1093 | #if defined(CONFIG_MEDIA_CONTROLLER) | |
1094 | decoder->pad.flags = MEDIA_PAD_FL_SOURCE; | |
1095 | decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
4ca72efa | 1096 | decoder->sd.entity.flags |= MEDIA_ENT_F_ATV_DECODER; |
5b38b0f8 | 1097 | |
ab22e77c | 1098 | ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad); |
5b38b0f8 MH |
1099 | if (ret < 0) { |
1100 | v4l2_err(sd, "%s decoder driver failed to register !!\n", | |
1101 | sd->name); | |
5b38b0f8 MH |
1102 | return ret; |
1103 | } | |
1104 | #endif | |
cf6832af HV |
1105 | v4l2_ctrl_handler_init(&decoder->hdl, 5); |
1106 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1107 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); | |
1108 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1109 | V4L2_CID_CONTRAST, 0, 255, 1, 128); | |
1110 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1111 | V4L2_CID_SATURATION, 0, 255, 1, 128); | |
1112 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1113 | V4L2_CID_HUE, -180, 180, 180, 0); | |
1114 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1115 | V4L2_CID_AUTOGAIN, 0, 1, 1, 1); | |
1116 | sd->ctrl_handler = &decoder->hdl; | |
1117 | if (decoder->hdl.error) { | |
5b38b0f8 | 1118 | ret = decoder->hdl.error; |
8f23acb5 | 1119 | goto done; |
cf6832af HV |
1120 | } |
1121 | v4l2_ctrl_handler_setup(&decoder->hdl); | |
1122 | ||
8f23acb5 LP |
1123 | ret = v4l2_async_register_subdev(&decoder->sd); |
1124 | if (!ret) | |
1125 | v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); | |
6722e0ef | 1126 | |
8f23acb5 LP |
1127 | done: |
1128 | if (ret < 0) { | |
1129 | v4l2_ctrl_handler_free(&decoder->hdl); | |
1130 | #if defined(CONFIG_MEDIA_CONTROLLER) | |
1131 | media_entity_cleanup(&decoder->sd.entity); | |
1132 | #endif | |
1133 | } | |
1134 | return ret; | |
07b1747c VH |
1135 | } |
1136 | ||
c1c9d09c MK |
1137 | /** |
1138 | * tvp514x_remove() - decoder driver i2c remove handler | |
07b1747c VH |
1139 | * @client: i2c driver client device structure |
1140 | * | |
1141 | * Unregister decoder as an i2c client device and V4L2 | |
1142 | * device. Complement of tvp514x_probe(). | |
1143 | */ | |
62ef80a1 | 1144 | static int tvp514x_remove(struct i2c_client *client) |
07b1747c | 1145 | { |
62ef80a1 MK |
1146 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
1147 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
07b1747c | 1148 | |
8f23acb5 | 1149 | v4l2_async_unregister_subdev(&decoder->sd); |
5b38b0f8 MH |
1150 | #if defined(CONFIG_MEDIA_CONTROLLER) |
1151 | media_entity_cleanup(&decoder->sd.entity); | |
1152 | #endif | |
cf6832af | 1153 | v4l2_ctrl_handler_free(&decoder->hdl); |
07b1747c VH |
1154 | return 0; |
1155 | } | |
c1c9d09c | 1156 | /* TVP5146 Init/Power on Sequence */ |
07b1747c VH |
1157 | static const struct tvp514x_reg tvp5146_init_reg_seq[] = { |
1158 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1159 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1160 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1161 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1162 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1163 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1164 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1165 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1166 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1167 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1168 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1169 | {TOK_TERM, 0, 0}, |
07b1747c | 1170 | }; |
62ef80a1 | 1171 | |
c1c9d09c | 1172 | /* TVP5147 Init/Power on Sequence */ |
07b1747c VH |
1173 | static const struct tvp514x_reg tvp5147_init_reg_seq[] = { |
1174 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1175 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1176 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1177 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1178 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1179 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1180 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1181 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1182 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, | |
1183 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1184 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, | |
1185 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, | |
1186 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1187 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1188 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1189 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1190 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1191 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1192 | {TOK_TERM, 0, 0}, |
07b1747c | 1193 | }; |
62ef80a1 | 1194 | |
c1c9d09c | 1195 | /* TVP5146M2/TVP5147M1 Init/Power on Sequence */ |
07b1747c VH |
1196 | static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { |
1197 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1198 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1199 | {TOK_TERM, 0, 0}, |
07b1747c | 1200 | }; |
62ef80a1 | 1201 | |
c1c9d09c | 1202 | /** |
07b1747c VH |
1203 | * I2C Device Table - |
1204 | * | |
1205 | * name - Name of the actual device/chip. | |
1206 | * driver_data - Driver data | |
1207 | */ | |
1208 | static const struct i2c_device_id tvp514x_id[] = { | |
62ef80a1 MK |
1209 | {"tvp5146", (unsigned long)tvp5146_init_reg_seq}, |
1210 | {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq}, | |
1211 | {"tvp5147", (unsigned long)tvp5147_init_reg_seq}, | |
1212 | {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq}, | |
07b1747c VH |
1213 | {}, |
1214 | }; | |
1215 | ||
1216 | MODULE_DEVICE_TABLE(i2c, tvp514x_id); | |
1217 | ||
b610b592 LP |
1218 | #if IS_ENABLED(CONFIG_OF) |
1219 | static const struct of_device_id tvp514x_of_match[] = { | |
1220 | { .compatible = "ti,tvp5146", }, | |
1221 | { .compatible = "ti,tvp5146m2", }, | |
1222 | { .compatible = "ti,tvp5147", }, | |
1223 | { .compatible = "ti,tvp5147m1", }, | |
1224 | { /* sentinel */ }, | |
1225 | }; | |
1226 | MODULE_DEVICE_TABLE(of, tvp514x_of_match); | |
1227 | #endif | |
1228 | ||
62ef80a1 | 1229 | static struct i2c_driver tvp514x_driver = { |
07b1747c | 1230 | .driver = { |
b610b592 | 1231 | .of_match_table = of_match_ptr(tvp514x_of_match), |
62ef80a1 MK |
1232 | .name = TVP514X_MODULE_NAME, |
1233 | }, | |
07b1747c | 1234 | .probe = tvp514x_probe, |
62ef80a1 | 1235 | .remove = tvp514x_remove, |
07b1747c VH |
1236 | .id_table = tvp514x_id, |
1237 | }; | |
1238 | ||
c6e8d86f | 1239 | module_i2c_driver(tvp514x_driver); |