Commit | Line | Data |
---|---|---|
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 | * | |
26 | * You should have received a copy of the GNU General Public License | |
27 | * along with this program; if not, write to the Free Software | |
28 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
29 | * | |
30 | */ | |
31 | ||
32 | #include <linux/i2c.h> | |
5a0e3ad6 | 33 | #include <linux/slab.h> |
07b1747c VH |
34 | #include <linux/delay.h> |
35 | #include <linux/videodev2.h> | |
7a707b89 | 36 | #include <linux/module.h> |
5b38b0f8 | 37 | #include <linux/v4l2-mediabus.h> |
098bcba3 | 38 | #include <linux/of.h> |
fd9fdb78 | 39 | #include <linux/of_graph.h> |
62ef80a1 | 40 | |
8f23acb5 | 41 | #include <media/v4l2-async.h> |
62ef80a1 MK |
42 | #include <media/v4l2-device.h> |
43 | #include <media/v4l2-common.h> | |
83811913 | 44 | #include <media/v4l2-mediabus.h> |
b610b592 | 45 | #include <media/v4l2-of.h> |
cf6832af | 46 | #include <media/v4l2-ctrls.h> |
b5dcee22 | 47 | #include <media/i2c/tvp514x.h> |
5b38b0f8 | 48 | #include <media/media-entity.h> |
07b1747c VH |
49 | |
50 | #include "tvp514x_regs.h" | |
51 | ||
07b1747c VH |
52 | /* Private macros for TVP */ |
53 | #define I2C_RETRY_COUNT (5) | |
54 | #define LOCK_RETRY_COUNT (5) | |
55 | #define LOCK_RETRY_DELAY (200) | |
56 | ||
57 | /* Debug functions */ | |
90ab5ee9 | 58 | static bool debug; |
07b1747c VH |
59 | module_param(debug, bool, 0644); |
60 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
61 | ||
62ef80a1 MK |
62 | MODULE_AUTHOR("Texas Instruments"); |
63 | MODULE_DESCRIPTION("TVP514X linux decoder driver"); | |
64 | MODULE_LICENSE("GPL"); | |
07b1747c | 65 | |
c1c9d09c | 66 | /* enum tvp514x_std - enum for supported standards */ |
07b1747c VH |
67 | enum tvp514x_std { |
68 | STD_NTSC_MJ = 0, | |
69 | STD_PAL_BDGHIN, | |
70 | STD_INVALID | |
71 | }; | |
72 | ||
c1c9d09c | 73 | /** |
07b1747c VH |
74 | * struct tvp514x_std_info - Structure to store standard informations |
75 | * @width: Line width in pixels | |
76 | * @height:Number of active lines | |
77 | * @video_std: Value to write in REG_VIDEO_STD register | |
78 | * @standard: v4l2 standard structure information | |
79 | */ | |
80 | struct tvp514x_std_info { | |
81 | unsigned long width; | |
82 | unsigned long height; | |
83 | u8 video_std; | |
84 | struct v4l2_standard standard; | |
85 | }; | |
86 | ||
6722e0ef | 87 | static struct tvp514x_reg tvp514x_reg_list_default[0x40]; |
63b59cec VH |
88 | |
89 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable); | |
c1c9d09c | 90 | /** |
6722e0ef | 91 | * struct tvp514x_decoder - TVP5146/47 decoder object |
62ef80a1 | 92 | * @sd: Subdevice Slave handle |
6722e0ef | 93 | * @tvp514x_regs: copy of hw's regs with preset values. |
07b1747c | 94 | * @pdata: Board specific |
07b1747c | 95 | * @ver: Chip version |
62ef80a1 | 96 | * @streaming: TVP5146/47 decoder streaming - enabled or disabled. |
5b38b0f8 MH |
97 | * @pix: Current pixel format |
98 | * @num_fmts: Number of formats | |
99 | * @fmt_list: Format list | |
07b1747c VH |
100 | * @current_std: Current standard |
101 | * @num_stds: Number of standards | |
102 | * @std_list: Standards list | |
62ef80a1 MK |
103 | * @input: Input routing at chip level |
104 | * @output: Output routing at chip level | |
07b1747c VH |
105 | */ |
106 | struct tvp514x_decoder { | |
62ef80a1 | 107 | struct v4l2_subdev sd; |
cf6832af | 108 | struct v4l2_ctrl_handler hdl; |
6722e0ef | 109 | struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)]; |
07b1747c | 110 | const struct tvp514x_platform_data *pdata; |
07b1747c VH |
111 | |
112 | int ver; | |
62ef80a1 | 113 | int streaming; |
07b1747c | 114 | |
5b38b0f8 MH |
115 | struct v4l2_pix_format pix; |
116 | int num_fmts; | |
117 | const struct v4l2_fmtdesc *fmt_list; | |
118 | ||
07b1747c VH |
119 | enum tvp514x_std current_std; |
120 | int num_stds; | |
a75ffc12 | 121 | const struct tvp514x_std_info *std_list; |
c1c9d09c | 122 | /* Input and Output Routing parameters */ |
62ef80a1 MK |
123 | u32 input; |
124 | u32 output; | |
5b38b0f8 MH |
125 | |
126 | /* mc related members */ | |
127 | struct media_pad pad; | |
128 | struct v4l2_mbus_framefmt format; | |
f0a12d0c LPC |
129 | |
130 | struct tvp514x_reg *int_seq; | |
07b1747c VH |
131 | }; |
132 | ||
133 | /* TVP514x default register values */ | |
6722e0ef | 134 | static struct tvp514x_reg tvp514x_reg_list_default[] = { |
c1c9d09c MK |
135 | /* Composite selected */ |
136 | {TOK_WRITE, REG_INPUT_SEL, 0x05}, | |
07b1747c | 137 | {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, |
c1c9d09c MK |
138 | /* Auto mode */ |
139 | {TOK_WRITE, REG_VIDEO_STD, 0x00}, | |
07b1747c VH |
140 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
141 | {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, | |
142 | {TOK_WRITE, REG_COLOR_KILLER, 0x10}, | |
143 | {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, | |
144 | {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, | |
145 | {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, | |
146 | {TOK_WRITE, REG_BRIGHTNESS, 0x80}, | |
147 | {TOK_WRITE, REG_CONTRAST, 0x80}, | |
148 | {TOK_WRITE, REG_SATURATION, 0x80}, | |
149 | {TOK_WRITE, REG_HUE, 0x00}, | |
150 | {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, | |
151 | {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, | |
c1c9d09c MK |
152 | /* Reserved */ |
153 | {TOK_SKIP, 0x0F, 0x00}, | |
07b1747c VH |
154 | {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, |
155 | {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, | |
156 | {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, | |
c1c9d09c MK |
157 | /* Reserved */ |
158 | {TOK_SKIP, 0x13, 0x00}, | |
07b1747c | 159 | {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, |
c1c9d09c MK |
160 | /* Reserved */ |
161 | {TOK_SKIP, 0x15, 0x00}, | |
162 | /* NTSC timing */ | |
163 | {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, | |
07b1747c VH |
164 | {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, |
165 | {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, | |
166 | {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, | |
c1c9d09c MK |
167 | /* NTSC timing */ |
168 | {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, | |
07b1747c VH |
169 | {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, |
170 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, | |
171 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, | |
c1c9d09c MK |
172 | /* NTSC timing */ |
173 | {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, | |
07b1747c VH |
174 | {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, |
175 | {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, | |
176 | {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
177 | /* NTSC timing */ |
178 | {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, | |
07b1747c VH |
179 | {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, |
180 | {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, | |
181 | {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
182 | /* Reserved */ |
183 | {TOK_SKIP, 0x26, 0x00}, | |
184 | /* Reserved */ | |
185 | {TOK_SKIP, 0x27, 0x00}, | |
07b1747c | 186 | {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, |
c1c9d09c MK |
187 | /* Reserved */ |
188 | {TOK_SKIP, 0x29, 0x00}, | |
07b1747c | 189 | {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, |
c1c9d09c MK |
190 | /* Reserved */ |
191 | {TOK_SKIP, 0x2B, 0x00}, | |
07b1747c VH |
192 | {TOK_SKIP, REG_SCART_DELAY, 0x00}, |
193 | {TOK_SKIP, REG_CTI_DELAY, 0x00}, | |
194 | {TOK_SKIP, REG_CTI_CONTROL, 0x00}, | |
c1c9d09c MK |
195 | /* Reserved */ |
196 | {TOK_SKIP, 0x2F, 0x00}, | |
197 | /* Reserved */ | |
198 | {TOK_SKIP, 0x30, 0x00}, | |
199 | /* Reserved */ | |
200 | {TOK_SKIP, 0x31, 0x00}, | |
201 | /* HS, VS active high */ | |
202 | {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, | |
203 | /* 10-bit BT.656 */ | |
204 | {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, | |
205 | /* Enable clk & data */ | |
206 | {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, | |
207 | /* Enable AVID & FLD */ | |
208 | {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, | |
209 | /* Enable VS & HS */ | |
210 | {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, | |
07b1747c VH |
211 | {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, |
212 | {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, | |
c1c9d09c MK |
213 | /* Clear status */ |
214 | {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, | |
07b1747c VH |
215 | {TOK_TERM, 0, 0}, |
216 | }; | |
217 | ||
5b38b0f8 MH |
218 | /** |
219 | * List of image formats supported by TVP5146/47 decoder | |
220 | * Currently we are using 8 bit mode only, but can be | |
221 | * extended to 10/20 bit mode. | |
222 | */ | |
223 | static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { | |
224 | { | |
225 | .index = 0, | |
226 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
227 | .flags = 0, | |
228 | .description = "8-bit UYVY 4:2:2 Format", | |
229 | .pixelformat = V4L2_PIX_FMT_UYVY, | |
230 | }, | |
231 | }; | |
232 | ||
c1c9d09c | 233 | /** |
07b1747c VH |
234 | * Supported standards - |
235 | * | |
236 | * Currently supports two standards only, need to add support for rest of the | |
237 | * modes, like SECAM, etc... | |
238 | */ | |
a75ffc12 | 239 | static const struct tvp514x_std_info tvp514x_std_list[] = { |
07b1747c VH |
240 | /* Standard: STD_NTSC_MJ */ |
241 | [STD_NTSC_MJ] = { | |
242 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
243 | .height = NTSC_NUM_ACTIVE_LINES, | |
244 | .video_std = VIDEO_STD_NTSC_MJ_BIT, | |
245 | .standard = { | |
246 | .index = 0, | |
247 | .id = V4L2_STD_NTSC, | |
248 | .name = "NTSC", | |
249 | .frameperiod = {1001, 30000}, | |
250 | .framelines = 525 | |
251 | }, | |
252 | /* Standard: STD_PAL_BDGHIN */ | |
253 | }, | |
254 | [STD_PAL_BDGHIN] = { | |
255 | .width = PAL_NUM_ACTIVE_PIXELS, | |
256 | .height = PAL_NUM_ACTIVE_LINES, | |
257 | .video_std = VIDEO_STD_PAL_BDGHIN_BIT, | |
258 | .standard = { | |
259 | .index = 1, | |
260 | .id = V4L2_STD_PAL, | |
261 | .name = "PAL", | |
262 | .frameperiod = {1, 25}, | |
263 | .framelines = 625 | |
264 | }, | |
265 | }, | |
266 | /* Standard: need to add for additional standard */ | |
267 | }; | |
62ef80a1 MK |
268 | |
269 | ||
270 | static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) | |
271 | { | |
272 | return container_of(sd, struct tvp514x_decoder, sd); | |
273 | } | |
274 | ||
cf6832af HV |
275 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
276 | { | |
277 | return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd; | |
278 | } | |
279 | ||
07b1747c | 280 | |
c1c9d09c MK |
281 | /** |
282 | * tvp514x_read_reg() - Read a value from a register in an TVP5146/47. | |
283 | * @sd: ptr to v4l2_subdev struct | |
284 | * @reg: TVP5146/47 register address | |
285 | * | |
07b1747c VH |
286 | * Returns value read if successful, or non-zero (-1) otherwise. |
287 | */ | |
62ef80a1 | 288 | static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) |
07b1747c | 289 | { |
62ef80a1 MK |
290 | int err, retry = 0; |
291 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
292 | ||
07b1747c VH |
293 | read_again: |
294 | ||
295 | err = i2c_smbus_read_byte_data(client, reg); | |
6f901a99 | 296 | if (err < 0) { |
07b1747c | 297 | if (retry <= I2C_RETRY_COUNT) { |
62ef80a1 | 298 | v4l2_warn(sd, "Read: retry ... %d\n", retry); |
07b1747c VH |
299 | retry++; |
300 | msleep_interruptible(10); | |
301 | goto read_again; | |
302 | } | |
303 | } | |
304 | ||
305 | return err; | |
306 | } | |
307 | ||
c1c9d09c MK |
308 | /** |
309 | * dump_reg() - dump the register content of TVP5146/47. | |
310 | * @sd: ptr to v4l2_subdev struct | |
311 | * @reg: TVP5146/47 register address | |
312 | */ | |
62ef80a1 MK |
313 | static void dump_reg(struct v4l2_subdev *sd, u8 reg) |
314 | { | |
315 | u32 val; | |
316 | ||
317 | val = tvp514x_read_reg(sd, reg); | |
318 | v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val); | |
319 | } | |
320 | ||
c1c9d09c MK |
321 | /** |
322 | * tvp514x_write_reg() - Write a value to a register in TVP5146/47 | |
323 | * @sd: ptr to v4l2_subdev struct | |
324 | * @reg: TVP5146/47 register address | |
325 | * @val: value to be written to the register | |
326 | * | |
07b1747c VH |
327 | * Write a value to a register in an TVP5146/47 decoder device. |
328 | * Returns zero if successful, or non-zero otherwise. | |
329 | */ | |
62ef80a1 | 330 | static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val) |
07b1747c | 331 | { |
62ef80a1 MK |
332 | int err, retry = 0; |
333 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
334 | ||
07b1747c VH |
335 | write_again: |
336 | ||
337 | err = i2c_smbus_write_byte_data(client, reg, val); | |
338 | if (err) { | |
339 | if (retry <= I2C_RETRY_COUNT) { | |
62ef80a1 | 340 | v4l2_warn(sd, "Write: retry ... %d\n", retry); |
07b1747c VH |
341 | retry++; |
342 | msleep_interruptible(10); | |
343 | goto write_again; | |
344 | } | |
345 | } | |
346 | ||
347 | return err; | |
348 | } | |
349 | ||
c1c9d09c MK |
350 | /** |
351 | * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers | |
352 | * @sd: ptr to v4l2_subdev struct | |
353 | * @reglist: list of TVP5146/47 registers and values | |
354 | * | |
355 | * Initializes a list of TVP5146/47 registers:- | |
07b1747c VH |
356 | * if token is TOK_TERM, then entire write operation terminates |
357 | * if token is TOK_DELAY, then a delay of 'val' msec is introduced | |
358 | * if token is TOK_SKIP, then the register write is skipped | |
359 | * if token is TOK_WRITE, then the register write is performed | |
07b1747c VH |
360 | * Returns zero if successful, or non-zero otherwise. |
361 | */ | |
62ef80a1 | 362 | static int tvp514x_write_regs(struct v4l2_subdev *sd, |
07b1747c VH |
363 | const struct tvp514x_reg reglist[]) |
364 | { | |
365 | int err; | |
366 | const struct tvp514x_reg *next = reglist; | |
367 | ||
368 | for (; next->token != TOK_TERM; next++) { | |
369 | if (next->token == TOK_DELAY) { | |
370 | msleep(next->val); | |
371 | continue; | |
372 | } | |
373 | ||
374 | if (next->token == TOK_SKIP) | |
375 | continue; | |
376 | ||
62ef80a1 | 377 | err = tvp514x_write_reg(sd, next->reg, (u8) next->val); |
07b1747c | 378 | if (err) { |
62ef80a1 | 379 | v4l2_err(sd, "Write failed. Err[%d]\n", err); |
07b1747c VH |
380 | return err; |
381 | } | |
382 | } | |
383 | return 0; | |
384 | } | |
385 | ||
c1c9d09c | 386 | /** |
2db4e78f | 387 | * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47 |
c1c9d09c MK |
388 | * @sd: ptr to v4l2_subdev struct |
389 | * | |
2db4e78f | 390 | * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no |
c1c9d09c | 391 | * standard detected. |
07b1747c | 392 | */ |
2db4e78f | 393 | static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd) |
07b1747c VH |
394 | { |
395 | u8 std, std_status; | |
396 | ||
62ef80a1 MK |
397 | std = tvp514x_read_reg(sd, REG_VIDEO_STD); |
398 | if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) | |
07b1747c | 399 | /* use the standard status register */ |
62ef80a1 MK |
400 | std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS); |
401 | else | |
c1c9d09c MK |
402 | /* use the standard register itself */ |
403 | std_status = std; | |
07b1747c VH |
404 | |
405 | switch (std_status & VIDEO_STD_MASK) { | |
406 | case VIDEO_STD_NTSC_MJ_BIT: | |
407 | return STD_NTSC_MJ; | |
408 | ||
409 | case VIDEO_STD_PAL_BDGHIN_BIT: | |
410 | return STD_PAL_BDGHIN; | |
411 | ||
412 | default: | |
413 | return STD_INVALID; | |
414 | } | |
415 | ||
416 | return STD_INVALID; | |
417 | } | |
418 | ||
c1c9d09c | 419 | /* TVP5146/47 register dump function */ |
62ef80a1 | 420 | static void tvp514x_reg_dump(struct v4l2_subdev *sd) |
07b1747c | 421 | { |
62ef80a1 MK |
422 | dump_reg(sd, REG_INPUT_SEL); |
423 | dump_reg(sd, REG_AFE_GAIN_CTRL); | |
424 | dump_reg(sd, REG_VIDEO_STD); | |
425 | dump_reg(sd, REG_OPERATION_MODE); | |
426 | dump_reg(sd, REG_COLOR_KILLER); | |
427 | dump_reg(sd, REG_LUMA_CONTROL1); | |
428 | dump_reg(sd, REG_LUMA_CONTROL2); | |
429 | dump_reg(sd, REG_LUMA_CONTROL3); | |
430 | dump_reg(sd, REG_BRIGHTNESS); | |
431 | dump_reg(sd, REG_CONTRAST); | |
432 | dump_reg(sd, REG_SATURATION); | |
433 | dump_reg(sd, REG_HUE); | |
434 | dump_reg(sd, REG_CHROMA_CONTROL1); | |
435 | dump_reg(sd, REG_CHROMA_CONTROL2); | |
436 | dump_reg(sd, REG_COMP_PR_SATURATION); | |
437 | dump_reg(sd, REG_COMP_Y_CONTRAST); | |
438 | dump_reg(sd, REG_COMP_PB_SATURATION); | |
439 | dump_reg(sd, REG_COMP_Y_BRIGHTNESS); | |
440 | dump_reg(sd, REG_AVID_START_PIXEL_LSB); | |
441 | dump_reg(sd, REG_AVID_START_PIXEL_MSB); | |
442 | dump_reg(sd, REG_AVID_STOP_PIXEL_LSB); | |
443 | dump_reg(sd, REG_AVID_STOP_PIXEL_MSB); | |
444 | dump_reg(sd, REG_HSYNC_START_PIXEL_LSB); | |
445 | dump_reg(sd, REG_HSYNC_START_PIXEL_MSB); | |
446 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB); | |
447 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB); | |
448 | dump_reg(sd, REG_VSYNC_START_LINE_LSB); | |
449 | dump_reg(sd, REG_VSYNC_START_LINE_MSB); | |
450 | dump_reg(sd, REG_VSYNC_STOP_LINE_LSB); | |
451 | dump_reg(sd, REG_VSYNC_STOP_LINE_MSB); | |
452 | dump_reg(sd, REG_VBLK_START_LINE_LSB); | |
453 | dump_reg(sd, REG_VBLK_START_LINE_MSB); | |
454 | dump_reg(sd, REG_VBLK_STOP_LINE_LSB); | |
455 | dump_reg(sd, REG_VBLK_STOP_LINE_MSB); | |
456 | dump_reg(sd, REG_SYNC_CONTROL); | |
457 | dump_reg(sd, REG_OUTPUT_FORMATTER1); | |
458 | dump_reg(sd, REG_OUTPUT_FORMATTER2); | |
459 | dump_reg(sd, REG_OUTPUT_FORMATTER3); | |
460 | dump_reg(sd, REG_OUTPUT_FORMATTER4); | |
461 | dump_reg(sd, REG_OUTPUT_FORMATTER5); | |
462 | dump_reg(sd, REG_OUTPUT_FORMATTER6); | |
463 | dump_reg(sd, REG_CLEAR_LOST_LOCK); | |
07b1747c VH |
464 | } |
465 | ||
c1c9d09c MK |
466 | /** |
467 | * tvp514x_configure() - Configure the TVP5146/47 registers | |
468 | * @sd: ptr to v4l2_subdev struct | |
469 | * @decoder: ptr to tvp514x_decoder structure | |
470 | * | |
07b1747c VH |
471 | * Returns zero if successful, or non-zero otherwise. |
472 | */ | |
62ef80a1 MK |
473 | static int tvp514x_configure(struct v4l2_subdev *sd, |
474 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
475 | { |
476 | int err; | |
477 | ||
478 | /* common register initialization */ | |
479 | err = | |
62ef80a1 | 480 | tvp514x_write_regs(sd, decoder->tvp514x_regs); |
07b1747c VH |
481 | if (err) |
482 | return err; | |
483 | ||
484 | if (debug) | |
62ef80a1 | 485 | tvp514x_reg_dump(sd); |
07b1747c VH |
486 | |
487 | return 0; | |
488 | } | |
489 | ||
c1c9d09c MK |
490 | /** |
491 | * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision. | |
492 | * @sd: pointer to standard V4L2 sub-device structure | |
493 | * @decoder: pointer to tvp514x_decoder structure | |
494 | * | |
07b1747c VH |
495 | * A device is considered to be detected if the chip ID (LSB and MSB) |
496 | * registers match the expected values. | |
497 | * Any value of the rom version register is accepted. | |
498 | * Returns ENODEV error number if no device is detected, or zero | |
499 | * if a device is detected. | |
500 | */ | |
62ef80a1 MK |
501 | static int tvp514x_detect(struct v4l2_subdev *sd, |
502 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
503 | { |
504 | u8 chip_id_msb, chip_id_lsb, rom_ver; | |
62ef80a1 | 505 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
07b1747c | 506 | |
62ef80a1 MK |
507 | chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB); |
508 | chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB); | |
509 | rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION); | |
07b1747c | 510 | |
62ef80a1 | 511 | v4l2_dbg(1, debug, sd, |
07b1747c VH |
512 | "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", |
513 | chip_id_msb, chip_id_lsb, rom_ver); | |
514 | if ((chip_id_msb != TVP514X_CHIP_ID_MSB) | |
515 | || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) | |
516 | && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { | |
517 | /* We didn't read the values we expected, so this must not be | |
518 | * an TVP5146/47. | |
519 | */ | |
62ef80a1 MK |
520 | v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n", |
521 | chip_id_msb, chip_id_lsb); | |
07b1747c VH |
522 | return -ENODEV; |
523 | } | |
524 | ||
525 | decoder->ver = rom_ver; | |
07b1747c | 526 | |
62ef80a1 MK |
527 | v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n", |
528 | client->name, decoder->ver, | |
529 | client->addr << 1, client->adapter->name); | |
07b1747c VH |
530 | return 0; |
531 | } | |
532 | ||
c1c9d09c MK |
533 | /** |
534 | * tvp514x_querystd() - V4L2 decoder interface handler for querystd | |
62ef80a1 | 535 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
536 | * @std_id: standard V4L2 std_id ioctl enum |
537 | * | |
538 | * Returns the current standard detected by TVP5146/47. If no active input is | |
2db4e78f | 539 | * detected then *std_id is set to 0 and the function returns 0. |
07b1747c | 540 | */ |
62ef80a1 | 541 | static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) |
07b1747c | 542 | { |
62ef80a1 | 543 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
544 | enum tvp514x_std current_std; |
545 | enum tvp514x_input input_sel; | |
546 | u8 sync_lock_status, lock_mask; | |
547 | ||
548 | if (std_id == NULL) | |
549 | return -EINVAL; | |
550 | ||
c389648a HV |
551 | /* To query the standard the TVP514x must power on the ADCs. */ |
552 | if (!decoder->streaming) { | |
553 | tvp514x_s_stream(sd, 1); | |
554 | msleep(LOCK_RETRY_DELAY); | |
555 | } | |
556 | ||
2db4e78f HV |
557 | /* query the current standard */ |
558 | current_std = tvp514x_query_current_std(sd); | |
55852cbb HV |
559 | if (current_std == STD_INVALID) { |
560 | *std_id = V4L2_STD_UNKNOWN; | |
2db4e78f | 561 | return 0; |
55852cbb | 562 | } |
07b1747c | 563 | |
62ef80a1 | 564 | input_sel = decoder->input; |
07b1747c VH |
565 | |
566 | switch (input_sel) { | |
567 | case INPUT_CVBS_VI1A: | |
568 | case INPUT_CVBS_VI1B: | |
569 | case INPUT_CVBS_VI1C: | |
570 | case INPUT_CVBS_VI2A: | |
571 | case INPUT_CVBS_VI2B: | |
572 | case INPUT_CVBS_VI2C: | |
573 | case INPUT_CVBS_VI3A: | |
574 | case INPUT_CVBS_VI3B: | |
575 | case INPUT_CVBS_VI3C: | |
576 | case INPUT_CVBS_VI4A: | |
577 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
578 | STATUS_HORZ_SYNC_LOCK_BIT | | |
579 | STATUS_VIRT_SYNC_LOCK_BIT; | |
580 | break; | |
581 | ||
582 | case INPUT_SVIDEO_VI2A_VI1A: | |
583 | case INPUT_SVIDEO_VI2B_VI1B: | |
584 | case INPUT_SVIDEO_VI2C_VI1C: | |
585 | case INPUT_SVIDEO_VI2A_VI3A: | |
586 | case INPUT_SVIDEO_VI2B_VI3B: | |
587 | case INPUT_SVIDEO_VI2C_VI3C: | |
588 | case INPUT_SVIDEO_VI4A_VI1A: | |
589 | case INPUT_SVIDEO_VI4A_VI1B: | |
590 | case INPUT_SVIDEO_VI4A_VI1C: | |
591 | case INPUT_SVIDEO_VI4A_VI3A: | |
592 | case INPUT_SVIDEO_VI4A_VI3B: | |
593 | case INPUT_SVIDEO_VI4A_VI3C: | |
594 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
595 | STATUS_VIRT_SYNC_LOCK_BIT; | |
596 | break; | |
597 | /*Need to add other interfaces*/ | |
598 | default: | |
599 | return -EINVAL; | |
600 | } | |
601 | /* check whether signal is locked */ | |
62ef80a1 | 602 | sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1); |
55852cbb HV |
603 | if (lock_mask != (sync_lock_status & lock_mask)) { |
604 | *std_id = V4L2_STD_UNKNOWN; | |
2db4e78f | 605 | return 0; /* No input detected */ |
55852cbb | 606 | } |
07b1747c | 607 | |
55852cbb | 608 | *std_id &= decoder->std_list[current_std].standard.id; |
07b1747c | 609 | |
2db4e78f | 610 | v4l2_dbg(1, debug, sd, "Current STD: %s\n", |
07b1747c VH |
611 | decoder->std_list[current_std].standard.name); |
612 | return 0; | |
613 | } | |
614 | ||
c1c9d09c MK |
615 | /** |
616 | * tvp514x_s_std() - V4L2 decoder interface handler for s_std | |
62ef80a1 | 617 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
618 | * @std_id: standard V4L2 v4l2_std_id ioctl enum |
619 | * | |
620 | * If std_id is supported, sets the requested standard. Otherwise, returns | |
621 | * -EINVAL | |
622 | */ | |
62ef80a1 | 623 | static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id) |
07b1747c | 624 | { |
62ef80a1 | 625 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
626 | int err, i; |
627 | ||
07b1747c | 628 | for (i = 0; i < decoder->num_stds; i++) |
62ef80a1 | 629 | if (std_id & decoder->std_list[i].standard.id) |
07b1747c VH |
630 | break; |
631 | ||
632 | if ((i == decoder->num_stds) || (i == STD_INVALID)) | |
633 | return -EINVAL; | |
634 | ||
62ef80a1 | 635 | err = tvp514x_write_reg(sd, REG_VIDEO_STD, |
07b1747c VH |
636 | decoder->std_list[i].video_std); |
637 | if (err) | |
638 | return err; | |
639 | ||
640 | decoder->current_std = i; | |
6722e0ef SAS |
641 | decoder->tvp514x_regs[REG_VIDEO_STD].val = |
642 | decoder->std_list[i].video_std; | |
07b1747c | 643 | |
3907b072 | 644 | v4l2_dbg(1, debug, sd, "Standard set to: %s\n", |
07b1747c VH |
645 | decoder->std_list[i].standard.name); |
646 | return 0; | |
647 | } | |
648 | ||
c1c9d09c MK |
649 | /** |
650 | * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing | |
62ef80a1 | 651 | * @sd: pointer to standard V4L2 sub-device structure |
c1c9d09c MK |
652 | * @input: input selector for routing the signal |
653 | * @output: output selector for routing the signal | |
654 | * @config: config value. Not used | |
07b1747c VH |
655 | * |
656 | * If index is valid, selects the requested input. Otherwise, returns -EINVAL if | |
657 | * the input is not supported or there is no active signal present in the | |
658 | * selected input. | |
659 | */ | |
62ef80a1 MK |
660 | static int tvp514x_s_routing(struct v4l2_subdev *sd, |
661 | u32 input, u32 output, u32 config) | |
07b1747c | 662 | { |
62ef80a1 | 663 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
664 | int err; |
665 | enum tvp514x_input input_sel; | |
666 | enum tvp514x_output output_sel; | |
07b1747c | 667 | |
62ef80a1 MK |
668 | if ((input >= INPUT_INVALID) || |
669 | (output >= OUTPUT_INVALID)) | |
c1c9d09c MK |
670 | /* Index out of bound */ |
671 | return -EINVAL; | |
07b1747c | 672 | |
62ef80a1 MK |
673 | input_sel = input; |
674 | output_sel = output; | |
07b1747c | 675 | |
62ef80a1 | 676 | err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel); |
07b1747c VH |
677 | if (err) |
678 | return err; | |
679 | ||
62ef80a1 | 680 | output_sel |= tvp514x_read_reg(sd, |
07b1747c | 681 | REG_OUTPUT_FORMATTER1) & 0x7; |
62ef80a1 | 682 | err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1, |
07b1747c VH |
683 | output_sel); |
684 | if (err) | |
685 | return err; | |
686 | ||
6722e0ef SAS |
687 | decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel; |
688 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel; | |
62ef80a1 MK |
689 | decoder->input = input; |
690 | decoder->output = output; | |
07b1747c | 691 | |
2db4e78f | 692 | v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel); |
07b1747c VH |
693 | |
694 | return 0; | |
695 | } | |
696 | ||
c1c9d09c MK |
697 | /** |
698 | * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl | |
cf6832af | 699 | * @ctrl: pointer to v4l2_ctrl structure |
07b1747c VH |
700 | * |
701 | * If the requested control is supported, sets the control's current | |
702 | * value in HW. Otherwise, returns -EINVAL if the control is not supported. | |
703 | */ | |
cf6832af | 704 | static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl) |
07b1747c | 705 | { |
cf6832af | 706 | struct v4l2_subdev *sd = to_sd(ctrl); |
62ef80a1 | 707 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
708 | int err = -EINVAL, value; |
709 | ||
cf6832af | 710 | value = ctrl->val; |
07b1747c VH |
711 | |
712 | switch (ctrl->id) { | |
713 | case V4L2_CID_BRIGHTNESS: | |
cf6832af HV |
714 | err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value); |
715 | if (!err) | |
716 | decoder->tvp514x_regs[REG_BRIGHTNESS].val = value; | |
07b1747c VH |
717 | break; |
718 | case V4L2_CID_CONTRAST: | |
62ef80a1 | 719 | err = tvp514x_write_reg(sd, REG_CONTRAST, value); |
cf6832af HV |
720 | if (!err) |
721 | decoder->tvp514x_regs[REG_CONTRAST].val = value; | |
07b1747c VH |
722 | break; |
723 | case V4L2_CID_SATURATION: | |
62ef80a1 | 724 | err = tvp514x_write_reg(sd, REG_SATURATION, value); |
cf6832af HV |
725 | if (!err) |
726 | decoder->tvp514x_regs[REG_SATURATION].val = value; | |
07b1747c VH |
727 | break; |
728 | case V4L2_CID_HUE: | |
729 | if (value == 180) | |
730 | value = 0x7F; | |
731 | else if (value == -180) | |
732 | value = 0x80; | |
62ef80a1 | 733 | err = tvp514x_write_reg(sd, REG_HUE, value); |
cf6832af HV |
734 | if (!err) |
735 | decoder->tvp514x_regs[REG_HUE].val = value; | |
07b1747c VH |
736 | break; |
737 | case V4L2_CID_AUTOGAIN: | |
cf6832af HV |
738 | err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c); |
739 | if (!err) | |
740 | decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value; | |
07b1747c | 741 | break; |
07b1747c VH |
742 | } |
743 | ||
3907b072 | 744 | v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n", |
cf6832af | 745 | ctrl->id, ctrl->val); |
07b1747c VH |
746 | return err; |
747 | } | |
748 | ||
c1c9d09c MK |
749 | /** |
750 | * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm | |
62ef80a1 | 751 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
752 | * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure |
753 | * | |
754 | * Returns the decoder's video CAPTURE parameters. | |
755 | */ | |
756 | static int | |
62ef80a1 | 757 | tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 758 | { |
62ef80a1 | 759 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
760 | struct v4l2_captureparm *cparm; |
761 | enum tvp514x_std current_std; | |
762 | ||
763 | if (a == NULL) | |
764 | return -EINVAL; | |
765 | ||
766 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
767 | /* only capture is supported */ |
768 | return -EINVAL; | |
07b1747c | 769 | |
07b1747c | 770 | /* get the current standard */ |
2db4e78f | 771 | current_std = decoder->current_std; |
07b1747c VH |
772 | |
773 | cparm = &a->parm.capture; | |
774 | cparm->capability = V4L2_CAP_TIMEPERFRAME; | |
775 | cparm->timeperframe = | |
776 | decoder->std_list[current_std].standard.frameperiod; | |
777 | ||
778 | return 0; | |
779 | } | |
780 | ||
c1c9d09c MK |
781 | /** |
782 | * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm | |
62ef80a1 | 783 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
784 | * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure |
785 | * | |
786 | * Configures the decoder to use the input parameters, if possible. If | |
787 | * not possible, returns the appropriate error code. | |
788 | */ | |
789 | static int | |
62ef80a1 | 790 | tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 791 | { |
62ef80a1 | 792 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
793 | struct v4l2_fract *timeperframe; |
794 | enum tvp514x_std current_std; | |
795 | ||
796 | if (a == NULL) | |
797 | return -EINVAL; | |
798 | ||
799 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
800 | /* only capture is supported */ |
801 | return -EINVAL; | |
07b1747c VH |
802 | |
803 | timeperframe = &a->parm.capture.timeperframe; | |
804 | ||
805 | /* get the current standard */ | |
2db4e78f | 806 | current_std = decoder->current_std; |
07b1747c VH |
807 | |
808 | *timeperframe = | |
809 | decoder->std_list[current_std].standard.frameperiod; | |
810 | ||
811 | return 0; | |
812 | } | |
813 | ||
c1c9d09c MK |
814 | /** |
815 | * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream | |
62ef80a1 MK |
816 | * @sd: pointer to standard V4L2 sub-device structure |
817 | * @enable: streaming enable or disable | |
07b1747c | 818 | * |
62ef80a1 | 819 | * Sets streaming to enable or disable, if possible. |
07b1747c | 820 | */ |
62ef80a1 | 821 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable) |
07b1747c | 822 | { |
07b1747c | 823 | int err = 0; |
62ef80a1 | 824 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c | 825 | |
62ef80a1 MK |
826 | if (decoder->streaming == enable) |
827 | return 0; | |
07b1747c | 828 | |
62ef80a1 MK |
829 | switch (enable) { |
830 | case 0: | |
831 | { | |
832 | /* Power Down Sequence */ | |
833 | err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01); | |
834 | if (err) { | |
835 | v4l2_err(sd, "Unable to turn off decoder\n"); | |
836 | return err; | |
837 | } | |
838 | decoder->streaming = enable; | |
07b1747c | 839 | break; |
62ef80a1 MK |
840 | } |
841 | case 1: | |
842 | { | |
62ef80a1 | 843 | /* Power Up Sequence */ |
f0a12d0c | 844 | err = tvp514x_write_regs(sd, decoder->int_seq); |
62ef80a1 MK |
845 | if (err) { |
846 | v4l2_err(sd, "Unable to turn on decoder\n"); | |
847 | return err; | |
848 | } | |
849 | /* Detect if not already detected */ | |
850 | err = tvp514x_detect(sd, decoder); | |
851 | if (err) { | |
852 | v4l2_err(sd, "Unable to detect decoder\n"); | |
853 | return err; | |
07b1747c | 854 | } |
62ef80a1 MK |
855 | err = tvp514x_configure(sd, decoder); |
856 | if (err) { | |
857 | v4l2_err(sd, "Unable to configure decoder\n"); | |
858 | return err; | |
859 | } | |
860 | decoder->streaming = enable; | |
07b1747c | 861 | break; |
62ef80a1 | 862 | } |
07b1747c VH |
863 | default: |
864 | err = -ENODEV; | |
865 | break; | |
866 | } | |
867 | ||
868 | return err; | |
869 | } | |
870 | ||
cf6832af | 871 | static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = { |
62ef80a1 | 872 | .s_ctrl = tvp514x_s_ctrl, |
cf6832af HV |
873 | }; |
874 | ||
5b38b0f8 MH |
875 | /** |
876 | * tvp514x_enum_mbus_code() - V4L2 decoder interface handler for enum_mbus_code | |
877 | * @sd: pointer to standard V4L2 sub-device structure | |
f7234138 | 878 | * @cfg: pad configuration |
5b38b0f8 MH |
879 | * @code: pointer to v4l2_subdev_mbus_code_enum structure |
880 | * | |
881 | * Enumertaes mbus codes supported | |
882 | */ | |
883 | static int tvp514x_enum_mbus_code(struct v4l2_subdev *sd, | |
f7234138 | 884 | struct v4l2_subdev_pad_config *cfg, |
5b38b0f8 MH |
885 | struct v4l2_subdev_mbus_code_enum *code) |
886 | { | |
887 | u32 pad = code->pad; | |
888 | u32 index = code->index; | |
889 | ||
890 | memset(code, 0, sizeof(*code)); | |
891 | code->index = index; | |
892 | code->pad = pad; | |
893 | ||
894 | if (index != 0) | |
895 | return -EINVAL; | |
896 | ||
f5fe58fd | 897 | code->code = MEDIA_BUS_FMT_YUYV8_2X8; |
5b38b0f8 MH |
898 | |
899 | return 0; | |
900 | } | |
901 | ||
902 | /** | |
903 | * tvp514x_get_pad_format() - V4L2 decoder interface handler for get pad format | |
904 | * @sd: pointer to standard V4L2 sub-device structure | |
f7234138 | 905 | * @cfg: pad configuration |
5b38b0f8 MH |
906 | * @format: pointer to v4l2_subdev_format structure |
907 | * | |
908 | * Retrieves pad format which is active or tried based on requirement | |
909 | */ | |
910 | static int tvp514x_get_pad_format(struct v4l2_subdev *sd, | |
f7234138 | 911 | struct v4l2_subdev_pad_config *cfg, |
5b38b0f8 MH |
912 | struct v4l2_subdev_format *format) |
913 | { | |
914 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
915 | __u32 which = format->which; | |
916 | ||
da298c6d HV |
917 | if (format->pad) |
918 | return -EINVAL; | |
919 | ||
5b38b0f8 MH |
920 | if (which == V4L2_SUBDEV_FORMAT_ACTIVE) { |
921 | format->format = decoder->format; | |
922 | return 0; | |
923 | } | |
924 | ||
f5fe58fd | 925 | format->format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
5b38b0f8 MH |
926 | format->format.width = tvp514x_std_list[decoder->current_std].width; |
927 | format->format.height = tvp514x_std_list[decoder->current_std].height; | |
928 | format->format.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
929 | format->format.field = V4L2_FIELD_INTERLACED; | |
930 | ||
931 | return 0; | |
932 | } | |
933 | ||
934 | /** | |
935 | * tvp514x_set_pad_format() - V4L2 decoder interface handler for set pad format | |
936 | * @sd: pointer to standard V4L2 sub-device structure | |
f7234138 | 937 | * @cfg: pad configuration |
5b38b0f8 MH |
938 | * @format: pointer to v4l2_subdev_format structure |
939 | * | |
940 | * Set pad format for the output pad | |
941 | */ | |
942 | static int tvp514x_set_pad_format(struct v4l2_subdev *sd, | |
f7234138 | 943 | struct v4l2_subdev_pad_config *cfg, |
5b38b0f8 MH |
944 | struct v4l2_subdev_format *fmt) |
945 | { | |
946 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
947 | ||
948 | if (fmt->format.field != V4L2_FIELD_INTERLACED || | |
f5fe58fd | 949 | fmt->format.code != MEDIA_BUS_FMT_YUYV8_2X8 || |
5b38b0f8 MH |
950 | fmt->format.colorspace != V4L2_COLORSPACE_SMPTE170M || |
951 | fmt->format.width != tvp514x_std_list[decoder->current_std].width || | |
952 | fmt->format.height != tvp514x_std_list[decoder->current_std].height) | |
953 | return -EINVAL; | |
954 | ||
955 | decoder->format = fmt->format; | |
956 | ||
957 | return 0; | |
958 | } | |
959 | ||
62ef80a1 | 960 | static const struct v4l2_subdev_video_ops tvp514x_video_ops = { |
8774bed9 | 961 | .s_std = tvp514x_s_std, |
62ef80a1 MK |
962 | .s_routing = tvp514x_s_routing, |
963 | .querystd = tvp514x_querystd, | |
62ef80a1 MK |
964 | .g_parm = tvp514x_g_parm, |
965 | .s_parm = tvp514x_s_parm, | |
966 | .s_stream = tvp514x_s_stream, | |
967 | }; | |
07b1747c | 968 | |
5b38b0f8 MH |
969 | static const struct v4l2_subdev_pad_ops tvp514x_pad_ops = { |
970 | .enum_mbus_code = tvp514x_enum_mbus_code, | |
971 | .get_fmt = tvp514x_get_pad_format, | |
972 | .set_fmt = tvp514x_set_pad_format, | |
973 | }; | |
974 | ||
62ef80a1 | 975 | static const struct v4l2_subdev_ops tvp514x_ops = { |
62ef80a1 | 976 | .video = &tvp514x_video_ops, |
5b38b0f8 | 977 | .pad = &tvp514x_pad_ops, |
07b1747c VH |
978 | }; |
979 | ||
07b1747c | 980 | static struct tvp514x_decoder tvp514x_dev = { |
62ef80a1 | 981 | .streaming = 0, |
5b38b0f8 MH |
982 | .fmt_list = tvp514x_fmt_list, |
983 | .num_fmts = ARRAY_SIZE(tvp514x_fmt_list), | |
984 | .pix = { | |
985 | /* Default to NTSC 8-bit YUV 422 */ | |
986 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
987 | .height = NTSC_NUM_ACTIVE_LINES, | |
988 | .pixelformat = V4L2_PIX_FMT_UYVY, | |
989 | .field = V4L2_FIELD_INTERLACED, | |
990 | .bytesperline = NTSC_NUM_ACTIVE_PIXELS * 2, | |
991 | .sizeimage = NTSC_NUM_ACTIVE_PIXELS * 2 * | |
992 | NTSC_NUM_ACTIVE_LINES, | |
993 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
994 | }, | |
07b1747c VH |
995 | .current_std = STD_NTSC_MJ, |
996 | .std_list = tvp514x_std_list, | |
997 | .num_stds = ARRAY_SIZE(tvp514x_std_list), | |
62ef80a1 | 998 | |
07b1747c VH |
999 | }; |
1000 | ||
b610b592 LP |
1001 | static struct tvp514x_platform_data * |
1002 | tvp514x_get_pdata(struct i2c_client *client) | |
1003 | { | |
fe1e6ac6 | 1004 | struct tvp514x_platform_data *pdata = NULL; |
b610b592 LP |
1005 | struct v4l2_of_endpoint bus_cfg; |
1006 | struct device_node *endpoint; | |
1007 | unsigned int flags; | |
1008 | ||
1009 | if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) | |
1010 | return client->dev.platform_data; | |
1011 | ||
fd9fdb78 | 1012 | endpoint = of_graph_get_next_endpoint(client->dev.of_node, NULL); |
b610b592 LP |
1013 | if (!endpoint) |
1014 | return NULL; | |
1015 | ||
fe1e6ac6 JMC |
1016 | if (v4l2_of_parse_endpoint(endpoint, &bus_cfg)) |
1017 | goto done; | |
1018 | ||
b610b592 LP |
1019 | pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); |
1020 | if (!pdata) | |
1021 | goto done; | |
1022 | ||
b610b592 LP |
1023 | flags = bus_cfg.bus.parallel.flags; |
1024 | ||
1025 | if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) | |
1026 | pdata->hs_polarity = 1; | |
1027 | ||
1028 | if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) | |
1029 | pdata->vs_polarity = 1; | |
1030 | ||
1031 | if (flags & V4L2_MBUS_PCLK_SAMPLE_RISING) | |
1032 | pdata->clk_polarity = 1; | |
1033 | ||
1034 | done: | |
1035 | of_node_put(endpoint); | |
1036 | return pdata; | |
1037 | } | |
1038 | ||
c1c9d09c MK |
1039 | /** |
1040 | * tvp514x_probe() - decoder driver i2c probe handler | |
07b1747c | 1041 | * @client: i2c driver client device structure |
62ef80a1 | 1042 | * @id: i2c driver id table |
07b1747c VH |
1043 | * |
1044 | * Register decoder as an i2c client device and V4L2 | |
1045 | * device. | |
1046 | */ | |
1047 | static int | |
1048 | tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1049 | { | |
b610b592 | 1050 | struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client); |
6722e0ef | 1051 | struct tvp514x_decoder *decoder; |
62ef80a1 | 1052 | struct v4l2_subdev *sd; |
5b38b0f8 | 1053 | int ret; |
07b1747c | 1054 | |
b610b592 LP |
1055 | if (pdata == NULL) { |
1056 | dev_err(&client->dev, "No platform data\n"); | |
1057 | return -EINVAL; | |
1058 | } | |
1059 | ||
07b1747c VH |
1060 | /* Check if the adapter supports the needed features */ |
1061 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1062 | return -EIO; | |
1063 | ||
08754d31 | 1064 | decoder = devm_kzalloc(&client->dev, sizeof(*decoder), GFP_KERNEL); |
6722e0ef SAS |
1065 | if (!decoder) |
1066 | return -ENOMEM; | |
1067 | ||
c1c9d09c | 1068 | /* Initialize the tvp514x_decoder with default configuration */ |
6722e0ef | 1069 | *decoder = tvp514x_dev; |
62ef80a1 | 1070 | /* Copy default register configuration */ |
6722e0ef SAS |
1071 | memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, |
1072 | sizeof(tvp514x_reg_list_default)); | |
62ef80a1 | 1073 | |
f0a12d0c LPC |
1074 | decoder->int_seq = (struct tvp514x_reg *)id->driver_data; |
1075 | ||
c1c9d09c | 1076 | /* Copy board specific information here */ |
b610b592 | 1077 | decoder->pdata = pdata; |
62ef80a1 | 1078 | |
c1c9d09c | 1079 | /** |
07b1747c VH |
1080 | * Fetch platform specific data, and configure the |
1081 | * tvp514x_reg_list[] accordingly. Since this is one | |
1082 | * time configuration, no need to preserve. | |
1083 | */ | |
6722e0ef | 1084 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= |
62ef80a1 | 1085 | (decoder->pdata->clk_polarity << 1); |
6722e0ef | 1086 | decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= |
62ef80a1 MK |
1087 | ((decoder->pdata->hs_polarity << 2) | |
1088 | (decoder->pdata->vs_polarity << 3)); | |
1089 | /* Set default standard to auto */ | |
1090 | decoder->tvp514x_regs[REG_VIDEO_STD].val = | |
1091 | VIDEO_STD_AUTO_SWITCH_BIT; | |
07b1747c VH |
1092 | |
1093 | /* Register with V4L2 layer as slave device */ | |
62ef80a1 MK |
1094 | sd = &decoder->sd; |
1095 | v4l2_i2c_subdev_init(sd, client, &tvp514x_ops); | |
5b38b0f8 MH |
1096 | |
1097 | #if defined(CONFIG_MEDIA_CONTROLLER) | |
1098 | decoder->pad.flags = MEDIA_PAD_FL_SOURCE; | |
1099 | decoder->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; | |
4ca72efa | 1100 | decoder->sd.entity.flags |= MEDIA_ENT_F_ATV_DECODER; |
5b38b0f8 | 1101 | |
ab22e77c | 1102 | ret = media_entity_pads_init(&decoder->sd.entity, 1, &decoder->pad); |
5b38b0f8 MH |
1103 | if (ret < 0) { |
1104 | v4l2_err(sd, "%s decoder driver failed to register !!\n", | |
1105 | sd->name); | |
5b38b0f8 MH |
1106 | return ret; |
1107 | } | |
1108 | #endif | |
cf6832af HV |
1109 | v4l2_ctrl_handler_init(&decoder->hdl, 5); |
1110 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1111 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); | |
1112 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1113 | V4L2_CID_CONTRAST, 0, 255, 1, 128); | |
1114 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1115 | V4L2_CID_SATURATION, 0, 255, 1, 128); | |
1116 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1117 | V4L2_CID_HUE, -180, 180, 180, 0); | |
1118 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1119 | V4L2_CID_AUTOGAIN, 0, 1, 1, 1); | |
1120 | sd->ctrl_handler = &decoder->hdl; | |
1121 | if (decoder->hdl.error) { | |
5b38b0f8 | 1122 | ret = decoder->hdl.error; |
8f23acb5 | 1123 | goto done; |
cf6832af HV |
1124 | } |
1125 | v4l2_ctrl_handler_setup(&decoder->hdl); | |
1126 | ||
8f23acb5 LP |
1127 | ret = v4l2_async_register_subdev(&decoder->sd); |
1128 | if (!ret) | |
1129 | v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); | |
6722e0ef | 1130 | |
8f23acb5 LP |
1131 | done: |
1132 | if (ret < 0) { | |
1133 | v4l2_ctrl_handler_free(&decoder->hdl); | |
1134 | #if defined(CONFIG_MEDIA_CONTROLLER) | |
1135 | media_entity_cleanup(&decoder->sd.entity); | |
1136 | #endif | |
1137 | } | |
1138 | return ret; | |
07b1747c VH |
1139 | } |
1140 | ||
c1c9d09c MK |
1141 | /** |
1142 | * tvp514x_remove() - decoder driver i2c remove handler | |
07b1747c VH |
1143 | * @client: i2c driver client device structure |
1144 | * | |
1145 | * Unregister decoder as an i2c client device and V4L2 | |
1146 | * device. Complement of tvp514x_probe(). | |
1147 | */ | |
62ef80a1 | 1148 | static int tvp514x_remove(struct i2c_client *client) |
07b1747c | 1149 | { |
62ef80a1 MK |
1150 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
1151 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
07b1747c | 1152 | |
8f23acb5 | 1153 | v4l2_async_unregister_subdev(&decoder->sd); |
5b38b0f8 MH |
1154 | #if defined(CONFIG_MEDIA_CONTROLLER) |
1155 | media_entity_cleanup(&decoder->sd.entity); | |
1156 | #endif | |
cf6832af | 1157 | v4l2_ctrl_handler_free(&decoder->hdl); |
07b1747c VH |
1158 | return 0; |
1159 | } | |
c1c9d09c | 1160 | /* TVP5146 Init/Power on Sequence */ |
07b1747c VH |
1161 | static const struct tvp514x_reg tvp5146_init_reg_seq[] = { |
1162 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1163 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1164 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1165 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1166 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1167 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1168 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1169 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1170 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1171 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1172 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1173 | {TOK_TERM, 0, 0}, |
07b1747c | 1174 | }; |
62ef80a1 | 1175 | |
c1c9d09c | 1176 | /* TVP5147 Init/Power on Sequence */ |
07b1747c VH |
1177 | static const struct tvp514x_reg tvp5147_init_reg_seq[] = { |
1178 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1179 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1180 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1181 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1182 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1183 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1184 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1185 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1186 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, | |
1187 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1188 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, | |
1189 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, | |
1190 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1191 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1192 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1193 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1194 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1195 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1196 | {TOK_TERM, 0, 0}, |
07b1747c | 1197 | }; |
62ef80a1 | 1198 | |
c1c9d09c | 1199 | /* TVP5146M2/TVP5147M1 Init/Power on Sequence */ |
07b1747c VH |
1200 | static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { |
1201 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1202 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1203 | {TOK_TERM, 0, 0}, |
07b1747c | 1204 | }; |
62ef80a1 | 1205 | |
c1c9d09c | 1206 | /** |
07b1747c VH |
1207 | * I2C Device Table - |
1208 | * | |
1209 | * name - Name of the actual device/chip. | |
1210 | * driver_data - Driver data | |
1211 | */ | |
1212 | static const struct i2c_device_id tvp514x_id[] = { | |
62ef80a1 MK |
1213 | {"tvp5146", (unsigned long)tvp5146_init_reg_seq}, |
1214 | {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq}, | |
1215 | {"tvp5147", (unsigned long)tvp5147_init_reg_seq}, | |
1216 | {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq}, | |
07b1747c VH |
1217 | {}, |
1218 | }; | |
1219 | ||
1220 | MODULE_DEVICE_TABLE(i2c, tvp514x_id); | |
1221 | ||
b610b592 LP |
1222 | #if IS_ENABLED(CONFIG_OF) |
1223 | static const struct of_device_id tvp514x_of_match[] = { | |
1224 | { .compatible = "ti,tvp5146", }, | |
1225 | { .compatible = "ti,tvp5146m2", }, | |
1226 | { .compatible = "ti,tvp5147", }, | |
1227 | { .compatible = "ti,tvp5147m1", }, | |
1228 | { /* sentinel */ }, | |
1229 | }; | |
1230 | MODULE_DEVICE_TABLE(of, tvp514x_of_match); | |
1231 | #endif | |
1232 | ||
62ef80a1 | 1233 | static struct i2c_driver tvp514x_driver = { |
07b1747c | 1234 | .driver = { |
b610b592 | 1235 | .of_match_table = of_match_ptr(tvp514x_of_match), |
62ef80a1 MK |
1236 | .name = TVP514X_MODULE_NAME, |
1237 | }, | |
07b1747c | 1238 | .probe = tvp514x_probe, |
62ef80a1 | 1239 | .remove = tvp514x_remove, |
07b1747c VH |
1240 | .id_table = tvp514x_id, |
1241 | }; | |
1242 | ||
c6e8d86f | 1243 | module_i2c_driver(tvp514x_driver); |