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07b1747c VH |
1 | /* |
2 | * drivers/media/video/tvp514x.c | |
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> | |
15 | * | |
16 | * This package is free software; you can redistribute it and/or modify | |
17 | * it under the terms of the GNU General Public License version 2 as | |
18 | * published by the Free Software Foundation. | |
19 | * | |
20 | * This program is distributed in the hope that it will be useful, | |
21 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
22 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
23 | * GNU General Public License for more details. | |
24 | * | |
25 | * You should have received a copy of the GNU General Public License | |
26 | * along with this program; if not, write to the Free Software | |
27 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <linux/i2c.h> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
07b1747c VH |
33 | #include <linux/delay.h> |
34 | #include <linux/videodev2.h> | |
62ef80a1 MK |
35 | |
36 | #include <media/v4l2-device.h> | |
37 | #include <media/v4l2-common.h> | |
38 | #include <media/v4l2-chip-ident.h> | |
07b1747c VH |
39 | #include <media/tvp514x.h> |
40 | ||
41 | #include "tvp514x_regs.h" | |
42 | ||
43 | /* Module Name */ | |
44 | #define TVP514X_MODULE_NAME "tvp514x" | |
45 | ||
46 | /* Private macros for TVP */ | |
47 | #define I2C_RETRY_COUNT (5) | |
48 | #define LOCK_RETRY_COUNT (5) | |
49 | #define LOCK_RETRY_DELAY (200) | |
50 | ||
51 | /* Debug functions */ | |
52 | static int debug; | |
53 | module_param(debug, bool, 0644); | |
54 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
55 | ||
62ef80a1 MK |
56 | MODULE_AUTHOR("Texas Instruments"); |
57 | MODULE_DESCRIPTION("TVP514X linux decoder driver"); | |
58 | MODULE_LICENSE("GPL"); | |
07b1747c | 59 | |
c1c9d09c | 60 | /* enum tvp514x_std - enum for supported standards */ |
07b1747c VH |
61 | enum tvp514x_std { |
62 | STD_NTSC_MJ = 0, | |
63 | STD_PAL_BDGHIN, | |
64 | STD_INVALID | |
65 | }; | |
66 | ||
c1c9d09c | 67 | /** |
07b1747c VH |
68 | * struct tvp514x_std_info - Structure to store standard informations |
69 | * @width: Line width in pixels | |
70 | * @height:Number of active lines | |
71 | * @video_std: Value to write in REG_VIDEO_STD register | |
72 | * @standard: v4l2 standard structure information | |
73 | */ | |
74 | struct tvp514x_std_info { | |
75 | unsigned long width; | |
76 | unsigned long height; | |
77 | u8 video_std; | |
78 | struct v4l2_standard standard; | |
79 | }; | |
80 | ||
6722e0ef | 81 | static struct tvp514x_reg tvp514x_reg_list_default[0x40]; |
63b59cec VH |
82 | |
83 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable); | |
c1c9d09c | 84 | /** |
6722e0ef | 85 | * struct tvp514x_decoder - TVP5146/47 decoder object |
62ef80a1 | 86 | * @sd: Subdevice Slave handle |
6722e0ef | 87 | * @tvp514x_regs: copy of hw's regs with preset values. |
07b1747c | 88 | * @pdata: Board specific |
07b1747c | 89 | * @ver: Chip version |
62ef80a1 | 90 | * @streaming: TVP5146/47 decoder streaming - enabled or disabled. |
07b1747c VH |
91 | * @current_std: Current standard |
92 | * @num_stds: Number of standards | |
93 | * @std_list: Standards list | |
62ef80a1 MK |
94 | * @input: Input routing at chip level |
95 | * @output: Output routing at chip level | |
07b1747c VH |
96 | */ |
97 | struct tvp514x_decoder { | |
62ef80a1 | 98 | struct v4l2_subdev sd; |
6722e0ef | 99 | struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)]; |
07b1747c | 100 | const struct tvp514x_platform_data *pdata; |
07b1747c VH |
101 | |
102 | int ver; | |
62ef80a1 | 103 | int streaming; |
07b1747c | 104 | |
07b1747c VH |
105 | enum tvp514x_std current_std; |
106 | int num_stds; | |
a75ffc12 | 107 | const struct tvp514x_std_info *std_list; |
c1c9d09c | 108 | /* Input and Output Routing parameters */ |
62ef80a1 MK |
109 | u32 input; |
110 | u32 output; | |
07b1747c VH |
111 | }; |
112 | ||
113 | /* TVP514x default register values */ | |
6722e0ef | 114 | static struct tvp514x_reg tvp514x_reg_list_default[] = { |
c1c9d09c MK |
115 | /* Composite selected */ |
116 | {TOK_WRITE, REG_INPUT_SEL, 0x05}, | |
07b1747c | 117 | {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, |
c1c9d09c MK |
118 | /* Auto mode */ |
119 | {TOK_WRITE, REG_VIDEO_STD, 0x00}, | |
07b1747c VH |
120 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
121 | {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, | |
122 | {TOK_WRITE, REG_COLOR_KILLER, 0x10}, | |
123 | {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, | |
124 | {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, | |
125 | {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, | |
126 | {TOK_WRITE, REG_BRIGHTNESS, 0x80}, | |
127 | {TOK_WRITE, REG_CONTRAST, 0x80}, | |
128 | {TOK_WRITE, REG_SATURATION, 0x80}, | |
129 | {TOK_WRITE, REG_HUE, 0x00}, | |
130 | {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, | |
131 | {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, | |
c1c9d09c MK |
132 | /* Reserved */ |
133 | {TOK_SKIP, 0x0F, 0x00}, | |
07b1747c VH |
134 | {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, |
135 | {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, | |
136 | {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, | |
c1c9d09c MK |
137 | /* Reserved */ |
138 | {TOK_SKIP, 0x13, 0x00}, | |
07b1747c | 139 | {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, |
c1c9d09c MK |
140 | /* Reserved */ |
141 | {TOK_SKIP, 0x15, 0x00}, | |
142 | /* NTSC timing */ | |
143 | {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, | |
07b1747c VH |
144 | {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, |
145 | {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, | |
146 | {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, | |
c1c9d09c MK |
147 | /* NTSC timing */ |
148 | {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, | |
07b1747c VH |
149 | {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, |
150 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, | |
151 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, | |
c1c9d09c MK |
152 | /* NTSC timing */ |
153 | {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, | |
07b1747c VH |
154 | {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, |
155 | {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, | |
156 | {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
157 | /* NTSC timing */ |
158 | {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, | |
07b1747c VH |
159 | {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, |
160 | {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, | |
161 | {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
162 | /* Reserved */ |
163 | {TOK_SKIP, 0x26, 0x00}, | |
164 | /* Reserved */ | |
165 | {TOK_SKIP, 0x27, 0x00}, | |
07b1747c | 166 | {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, |
c1c9d09c MK |
167 | /* Reserved */ |
168 | {TOK_SKIP, 0x29, 0x00}, | |
07b1747c | 169 | {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, |
c1c9d09c MK |
170 | /* Reserved */ |
171 | {TOK_SKIP, 0x2B, 0x00}, | |
07b1747c VH |
172 | {TOK_SKIP, REG_SCART_DELAY, 0x00}, |
173 | {TOK_SKIP, REG_CTI_DELAY, 0x00}, | |
174 | {TOK_SKIP, REG_CTI_CONTROL, 0x00}, | |
c1c9d09c MK |
175 | /* Reserved */ |
176 | {TOK_SKIP, 0x2F, 0x00}, | |
177 | /* Reserved */ | |
178 | {TOK_SKIP, 0x30, 0x00}, | |
179 | /* Reserved */ | |
180 | {TOK_SKIP, 0x31, 0x00}, | |
181 | /* HS, VS active high */ | |
182 | {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, | |
183 | /* 10-bit BT.656 */ | |
184 | {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, | |
185 | /* Enable clk & data */ | |
186 | {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, | |
187 | /* Enable AVID & FLD */ | |
188 | {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, | |
189 | /* Enable VS & HS */ | |
190 | {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, | |
07b1747c VH |
191 | {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, |
192 | {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, | |
c1c9d09c MK |
193 | /* Clear status */ |
194 | {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, | |
07b1747c VH |
195 | {TOK_TERM, 0, 0}, |
196 | }; | |
197 | ||
c1c9d09c | 198 | /** |
07b1747c VH |
199 | * Supported standards - |
200 | * | |
201 | * Currently supports two standards only, need to add support for rest of the | |
202 | * modes, like SECAM, etc... | |
203 | */ | |
a75ffc12 | 204 | static const struct tvp514x_std_info tvp514x_std_list[] = { |
07b1747c VH |
205 | /* Standard: STD_NTSC_MJ */ |
206 | [STD_NTSC_MJ] = { | |
207 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
208 | .height = NTSC_NUM_ACTIVE_LINES, | |
209 | .video_std = VIDEO_STD_NTSC_MJ_BIT, | |
210 | .standard = { | |
211 | .index = 0, | |
212 | .id = V4L2_STD_NTSC, | |
213 | .name = "NTSC", | |
214 | .frameperiod = {1001, 30000}, | |
215 | .framelines = 525 | |
216 | }, | |
217 | /* Standard: STD_PAL_BDGHIN */ | |
218 | }, | |
219 | [STD_PAL_BDGHIN] = { | |
220 | .width = PAL_NUM_ACTIVE_PIXELS, | |
221 | .height = PAL_NUM_ACTIVE_LINES, | |
222 | .video_std = VIDEO_STD_PAL_BDGHIN_BIT, | |
223 | .standard = { | |
224 | .index = 1, | |
225 | .id = V4L2_STD_PAL, | |
226 | .name = "PAL", | |
227 | .frameperiod = {1, 25}, | |
228 | .framelines = 625 | |
229 | }, | |
230 | }, | |
231 | /* Standard: need to add for additional standard */ | |
232 | }; | |
62ef80a1 MK |
233 | |
234 | ||
235 | static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) | |
236 | { | |
237 | return container_of(sd, struct tvp514x_decoder, sd); | |
238 | } | |
239 | ||
07b1747c | 240 | |
c1c9d09c MK |
241 | /** |
242 | * tvp514x_read_reg() - Read a value from a register in an TVP5146/47. | |
243 | * @sd: ptr to v4l2_subdev struct | |
244 | * @reg: TVP5146/47 register address | |
245 | * | |
07b1747c VH |
246 | * Returns value read if successful, or non-zero (-1) otherwise. |
247 | */ | |
62ef80a1 | 248 | static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) |
07b1747c | 249 | { |
62ef80a1 MK |
250 | int err, retry = 0; |
251 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
252 | ||
07b1747c VH |
253 | read_again: |
254 | ||
255 | err = i2c_smbus_read_byte_data(client, reg); | |
6f901a99 | 256 | if (err < 0) { |
07b1747c | 257 | if (retry <= I2C_RETRY_COUNT) { |
62ef80a1 | 258 | v4l2_warn(sd, "Read: retry ... %d\n", retry); |
07b1747c VH |
259 | retry++; |
260 | msleep_interruptible(10); | |
261 | goto read_again; | |
262 | } | |
263 | } | |
264 | ||
265 | return err; | |
266 | } | |
267 | ||
c1c9d09c MK |
268 | /** |
269 | * dump_reg() - dump the register content of TVP5146/47. | |
270 | * @sd: ptr to v4l2_subdev struct | |
271 | * @reg: TVP5146/47 register address | |
272 | */ | |
62ef80a1 MK |
273 | static void dump_reg(struct v4l2_subdev *sd, u8 reg) |
274 | { | |
275 | u32 val; | |
276 | ||
277 | val = tvp514x_read_reg(sd, reg); | |
278 | v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val); | |
279 | } | |
280 | ||
c1c9d09c MK |
281 | /** |
282 | * tvp514x_write_reg() - Write a value to a register in TVP5146/47 | |
283 | * @sd: ptr to v4l2_subdev struct | |
284 | * @reg: TVP5146/47 register address | |
285 | * @val: value to be written to the register | |
286 | * | |
07b1747c VH |
287 | * Write a value to a register in an TVP5146/47 decoder device. |
288 | * Returns zero if successful, or non-zero otherwise. | |
289 | */ | |
62ef80a1 | 290 | static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val) |
07b1747c | 291 | { |
62ef80a1 MK |
292 | int err, retry = 0; |
293 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
294 | ||
07b1747c VH |
295 | write_again: |
296 | ||
297 | err = i2c_smbus_write_byte_data(client, reg, val); | |
298 | if (err) { | |
299 | if (retry <= I2C_RETRY_COUNT) { | |
62ef80a1 | 300 | v4l2_warn(sd, "Write: retry ... %d\n", retry); |
07b1747c VH |
301 | retry++; |
302 | msleep_interruptible(10); | |
303 | goto write_again; | |
304 | } | |
305 | } | |
306 | ||
307 | return err; | |
308 | } | |
309 | ||
c1c9d09c MK |
310 | /** |
311 | * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers | |
312 | * @sd: ptr to v4l2_subdev struct | |
313 | * @reglist: list of TVP5146/47 registers and values | |
314 | * | |
315 | * Initializes a list of TVP5146/47 registers:- | |
07b1747c VH |
316 | * if token is TOK_TERM, then entire write operation terminates |
317 | * if token is TOK_DELAY, then a delay of 'val' msec is introduced | |
318 | * if token is TOK_SKIP, then the register write is skipped | |
319 | * if token is TOK_WRITE, then the register write is performed | |
07b1747c VH |
320 | * Returns zero if successful, or non-zero otherwise. |
321 | */ | |
62ef80a1 | 322 | static int tvp514x_write_regs(struct v4l2_subdev *sd, |
07b1747c VH |
323 | const struct tvp514x_reg reglist[]) |
324 | { | |
325 | int err; | |
326 | const struct tvp514x_reg *next = reglist; | |
327 | ||
328 | for (; next->token != TOK_TERM; next++) { | |
329 | if (next->token == TOK_DELAY) { | |
330 | msleep(next->val); | |
331 | continue; | |
332 | } | |
333 | ||
334 | if (next->token == TOK_SKIP) | |
335 | continue; | |
336 | ||
62ef80a1 | 337 | err = tvp514x_write_reg(sd, next->reg, (u8) next->val); |
07b1747c | 338 | if (err) { |
62ef80a1 | 339 | v4l2_err(sd, "Write failed. Err[%d]\n", err); |
07b1747c VH |
340 | return err; |
341 | } | |
342 | } | |
343 | return 0; | |
344 | } | |
345 | ||
c1c9d09c | 346 | /** |
2db4e78f | 347 | * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47 |
c1c9d09c MK |
348 | * @sd: ptr to v4l2_subdev struct |
349 | * | |
2db4e78f | 350 | * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no |
c1c9d09c | 351 | * standard detected. |
07b1747c | 352 | */ |
2db4e78f | 353 | static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd) |
07b1747c VH |
354 | { |
355 | u8 std, std_status; | |
356 | ||
62ef80a1 MK |
357 | std = tvp514x_read_reg(sd, REG_VIDEO_STD); |
358 | if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) | |
07b1747c | 359 | /* use the standard status register */ |
62ef80a1 MK |
360 | std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS); |
361 | else | |
c1c9d09c MK |
362 | /* use the standard register itself */ |
363 | std_status = std; | |
07b1747c VH |
364 | |
365 | switch (std_status & VIDEO_STD_MASK) { | |
366 | case VIDEO_STD_NTSC_MJ_BIT: | |
367 | return STD_NTSC_MJ; | |
368 | ||
369 | case VIDEO_STD_PAL_BDGHIN_BIT: | |
370 | return STD_PAL_BDGHIN; | |
371 | ||
372 | default: | |
373 | return STD_INVALID; | |
374 | } | |
375 | ||
376 | return STD_INVALID; | |
377 | } | |
378 | ||
c1c9d09c | 379 | /* TVP5146/47 register dump function */ |
62ef80a1 | 380 | static void tvp514x_reg_dump(struct v4l2_subdev *sd) |
07b1747c | 381 | { |
62ef80a1 MK |
382 | dump_reg(sd, REG_INPUT_SEL); |
383 | dump_reg(sd, REG_AFE_GAIN_CTRL); | |
384 | dump_reg(sd, REG_VIDEO_STD); | |
385 | dump_reg(sd, REG_OPERATION_MODE); | |
386 | dump_reg(sd, REG_COLOR_KILLER); | |
387 | dump_reg(sd, REG_LUMA_CONTROL1); | |
388 | dump_reg(sd, REG_LUMA_CONTROL2); | |
389 | dump_reg(sd, REG_LUMA_CONTROL3); | |
390 | dump_reg(sd, REG_BRIGHTNESS); | |
391 | dump_reg(sd, REG_CONTRAST); | |
392 | dump_reg(sd, REG_SATURATION); | |
393 | dump_reg(sd, REG_HUE); | |
394 | dump_reg(sd, REG_CHROMA_CONTROL1); | |
395 | dump_reg(sd, REG_CHROMA_CONTROL2); | |
396 | dump_reg(sd, REG_COMP_PR_SATURATION); | |
397 | dump_reg(sd, REG_COMP_Y_CONTRAST); | |
398 | dump_reg(sd, REG_COMP_PB_SATURATION); | |
399 | dump_reg(sd, REG_COMP_Y_BRIGHTNESS); | |
400 | dump_reg(sd, REG_AVID_START_PIXEL_LSB); | |
401 | dump_reg(sd, REG_AVID_START_PIXEL_MSB); | |
402 | dump_reg(sd, REG_AVID_STOP_PIXEL_LSB); | |
403 | dump_reg(sd, REG_AVID_STOP_PIXEL_MSB); | |
404 | dump_reg(sd, REG_HSYNC_START_PIXEL_LSB); | |
405 | dump_reg(sd, REG_HSYNC_START_PIXEL_MSB); | |
406 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB); | |
407 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB); | |
408 | dump_reg(sd, REG_VSYNC_START_LINE_LSB); | |
409 | dump_reg(sd, REG_VSYNC_START_LINE_MSB); | |
410 | dump_reg(sd, REG_VSYNC_STOP_LINE_LSB); | |
411 | dump_reg(sd, REG_VSYNC_STOP_LINE_MSB); | |
412 | dump_reg(sd, REG_VBLK_START_LINE_LSB); | |
413 | dump_reg(sd, REG_VBLK_START_LINE_MSB); | |
414 | dump_reg(sd, REG_VBLK_STOP_LINE_LSB); | |
415 | dump_reg(sd, REG_VBLK_STOP_LINE_MSB); | |
416 | dump_reg(sd, REG_SYNC_CONTROL); | |
417 | dump_reg(sd, REG_OUTPUT_FORMATTER1); | |
418 | dump_reg(sd, REG_OUTPUT_FORMATTER2); | |
419 | dump_reg(sd, REG_OUTPUT_FORMATTER3); | |
420 | dump_reg(sd, REG_OUTPUT_FORMATTER4); | |
421 | dump_reg(sd, REG_OUTPUT_FORMATTER5); | |
422 | dump_reg(sd, REG_OUTPUT_FORMATTER6); | |
423 | dump_reg(sd, REG_CLEAR_LOST_LOCK); | |
07b1747c VH |
424 | } |
425 | ||
c1c9d09c MK |
426 | /** |
427 | * tvp514x_configure() - Configure the TVP5146/47 registers | |
428 | * @sd: ptr to v4l2_subdev struct | |
429 | * @decoder: ptr to tvp514x_decoder structure | |
430 | * | |
07b1747c VH |
431 | * Returns zero if successful, or non-zero otherwise. |
432 | */ | |
62ef80a1 MK |
433 | static int tvp514x_configure(struct v4l2_subdev *sd, |
434 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
435 | { |
436 | int err; | |
437 | ||
438 | /* common register initialization */ | |
439 | err = | |
62ef80a1 | 440 | tvp514x_write_regs(sd, decoder->tvp514x_regs); |
07b1747c VH |
441 | if (err) |
442 | return err; | |
443 | ||
444 | if (debug) | |
62ef80a1 | 445 | tvp514x_reg_dump(sd); |
07b1747c VH |
446 | |
447 | return 0; | |
448 | } | |
449 | ||
c1c9d09c MK |
450 | /** |
451 | * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision. | |
452 | * @sd: pointer to standard V4L2 sub-device structure | |
453 | * @decoder: pointer to tvp514x_decoder structure | |
454 | * | |
07b1747c VH |
455 | * A device is considered to be detected if the chip ID (LSB and MSB) |
456 | * registers match the expected values. | |
457 | * Any value of the rom version register is accepted. | |
458 | * Returns ENODEV error number if no device is detected, or zero | |
459 | * if a device is detected. | |
460 | */ | |
62ef80a1 MK |
461 | static int tvp514x_detect(struct v4l2_subdev *sd, |
462 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
463 | { |
464 | u8 chip_id_msb, chip_id_lsb, rom_ver; | |
62ef80a1 | 465 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
07b1747c | 466 | |
62ef80a1 MK |
467 | chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB); |
468 | chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB); | |
469 | rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION); | |
07b1747c | 470 | |
62ef80a1 | 471 | v4l2_dbg(1, debug, sd, |
07b1747c VH |
472 | "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", |
473 | chip_id_msb, chip_id_lsb, rom_ver); | |
474 | if ((chip_id_msb != TVP514X_CHIP_ID_MSB) | |
475 | || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) | |
476 | && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { | |
477 | /* We didn't read the values we expected, so this must not be | |
478 | * an TVP5146/47. | |
479 | */ | |
62ef80a1 MK |
480 | v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n", |
481 | chip_id_msb, chip_id_lsb); | |
07b1747c VH |
482 | return -ENODEV; |
483 | } | |
484 | ||
485 | decoder->ver = rom_ver; | |
07b1747c | 486 | |
62ef80a1 MK |
487 | v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n", |
488 | client->name, decoder->ver, | |
489 | client->addr << 1, client->adapter->name); | |
07b1747c VH |
490 | return 0; |
491 | } | |
492 | ||
c1c9d09c MK |
493 | /** |
494 | * tvp514x_querystd() - V4L2 decoder interface handler for querystd | |
62ef80a1 | 495 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
496 | * @std_id: standard V4L2 std_id ioctl enum |
497 | * | |
498 | * Returns the current standard detected by TVP5146/47. If no active input is | |
2db4e78f | 499 | * detected then *std_id is set to 0 and the function returns 0. |
07b1747c | 500 | */ |
62ef80a1 | 501 | static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) |
07b1747c | 502 | { |
62ef80a1 | 503 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
504 | enum tvp514x_std current_std; |
505 | enum tvp514x_input input_sel; | |
506 | u8 sync_lock_status, lock_mask; | |
507 | ||
508 | if (std_id == NULL) | |
509 | return -EINVAL; | |
510 | ||
2db4e78f HV |
511 | *std_id = V4L2_STD_UNKNOWN; |
512 | ||
513 | /* query the current standard */ | |
514 | current_std = tvp514x_query_current_std(sd); | |
07b1747c | 515 | if (current_std == STD_INVALID) |
2db4e78f | 516 | return 0; |
07b1747c | 517 | |
62ef80a1 | 518 | input_sel = decoder->input; |
07b1747c VH |
519 | |
520 | switch (input_sel) { | |
521 | case INPUT_CVBS_VI1A: | |
522 | case INPUT_CVBS_VI1B: | |
523 | case INPUT_CVBS_VI1C: | |
524 | case INPUT_CVBS_VI2A: | |
525 | case INPUT_CVBS_VI2B: | |
526 | case INPUT_CVBS_VI2C: | |
527 | case INPUT_CVBS_VI3A: | |
528 | case INPUT_CVBS_VI3B: | |
529 | case INPUT_CVBS_VI3C: | |
530 | case INPUT_CVBS_VI4A: | |
531 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
532 | STATUS_HORZ_SYNC_LOCK_BIT | | |
533 | STATUS_VIRT_SYNC_LOCK_BIT; | |
534 | break; | |
535 | ||
536 | case INPUT_SVIDEO_VI2A_VI1A: | |
537 | case INPUT_SVIDEO_VI2B_VI1B: | |
538 | case INPUT_SVIDEO_VI2C_VI1C: | |
539 | case INPUT_SVIDEO_VI2A_VI3A: | |
540 | case INPUT_SVIDEO_VI2B_VI3B: | |
541 | case INPUT_SVIDEO_VI2C_VI3C: | |
542 | case INPUT_SVIDEO_VI4A_VI1A: | |
543 | case INPUT_SVIDEO_VI4A_VI1B: | |
544 | case INPUT_SVIDEO_VI4A_VI1C: | |
545 | case INPUT_SVIDEO_VI4A_VI3A: | |
546 | case INPUT_SVIDEO_VI4A_VI3B: | |
547 | case INPUT_SVIDEO_VI4A_VI3C: | |
548 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
549 | STATUS_VIRT_SYNC_LOCK_BIT; | |
550 | break; | |
551 | /*Need to add other interfaces*/ | |
552 | default: | |
553 | return -EINVAL; | |
554 | } | |
555 | /* check whether signal is locked */ | |
62ef80a1 | 556 | sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1); |
07b1747c | 557 | if (lock_mask != (sync_lock_status & lock_mask)) |
2db4e78f | 558 | return 0; /* No input detected */ |
07b1747c | 559 | |
07b1747c VH |
560 | *std_id = decoder->std_list[current_std].standard.id; |
561 | ||
2db4e78f | 562 | v4l2_dbg(1, debug, sd, "Current STD: %s\n", |
07b1747c VH |
563 | decoder->std_list[current_std].standard.name); |
564 | return 0; | |
565 | } | |
566 | ||
c1c9d09c MK |
567 | /** |
568 | * tvp514x_s_std() - V4L2 decoder interface handler for s_std | |
62ef80a1 | 569 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
570 | * @std_id: standard V4L2 v4l2_std_id ioctl enum |
571 | * | |
572 | * If std_id is supported, sets the requested standard. Otherwise, returns | |
573 | * -EINVAL | |
574 | */ | |
62ef80a1 | 575 | static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id) |
07b1747c | 576 | { |
62ef80a1 | 577 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
578 | int err, i; |
579 | ||
07b1747c | 580 | for (i = 0; i < decoder->num_stds; i++) |
62ef80a1 | 581 | if (std_id & decoder->std_list[i].standard.id) |
07b1747c VH |
582 | break; |
583 | ||
584 | if ((i == decoder->num_stds) || (i == STD_INVALID)) | |
585 | return -EINVAL; | |
586 | ||
62ef80a1 | 587 | err = tvp514x_write_reg(sd, REG_VIDEO_STD, |
07b1747c VH |
588 | decoder->std_list[i].video_std); |
589 | if (err) | |
590 | return err; | |
591 | ||
592 | decoder->current_std = i; | |
6722e0ef SAS |
593 | decoder->tvp514x_regs[REG_VIDEO_STD].val = |
594 | decoder->std_list[i].video_std; | |
07b1747c | 595 | |
3907b072 | 596 | v4l2_dbg(1, debug, sd, "Standard set to: %s\n", |
07b1747c VH |
597 | decoder->std_list[i].standard.name); |
598 | return 0; | |
599 | } | |
600 | ||
c1c9d09c MK |
601 | /** |
602 | * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing | |
62ef80a1 | 603 | * @sd: pointer to standard V4L2 sub-device structure |
c1c9d09c MK |
604 | * @input: input selector for routing the signal |
605 | * @output: output selector for routing the signal | |
606 | * @config: config value. Not used | |
07b1747c VH |
607 | * |
608 | * If index is valid, selects the requested input. Otherwise, returns -EINVAL if | |
609 | * the input is not supported or there is no active signal present in the | |
610 | * selected input. | |
611 | */ | |
62ef80a1 MK |
612 | static int tvp514x_s_routing(struct v4l2_subdev *sd, |
613 | u32 input, u32 output, u32 config) | |
07b1747c | 614 | { |
62ef80a1 | 615 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
616 | int err; |
617 | enum tvp514x_input input_sel; | |
618 | enum tvp514x_output output_sel; | |
07b1747c VH |
619 | u8 sync_lock_status, lock_mask; |
620 | int try_count = LOCK_RETRY_COUNT; | |
621 | ||
62ef80a1 MK |
622 | if ((input >= INPUT_INVALID) || |
623 | (output >= OUTPUT_INVALID)) | |
c1c9d09c MK |
624 | /* Index out of bound */ |
625 | return -EINVAL; | |
07b1747c | 626 | |
63b59cec VH |
627 | /* |
628 | * For the sequence streamon -> streamoff and again s_input | |
629 | * it fails to lock the signal, since streamoff puts TVP514x | |
630 | * into power off state which leads to failure in sub-sequent s_input. | |
631 | * | |
632 | * So power up the TVP514x device here, since it is important to lock | |
633 | * the signal at this stage. | |
634 | */ | |
635 | if (!decoder->streaming) | |
636 | tvp514x_s_stream(sd, 1); | |
637 | ||
62ef80a1 MK |
638 | input_sel = input; |
639 | output_sel = output; | |
07b1747c | 640 | |
62ef80a1 | 641 | err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel); |
07b1747c VH |
642 | if (err) |
643 | return err; | |
644 | ||
62ef80a1 | 645 | output_sel |= tvp514x_read_reg(sd, |
07b1747c | 646 | REG_OUTPUT_FORMATTER1) & 0x7; |
62ef80a1 | 647 | err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1, |
07b1747c VH |
648 | output_sel); |
649 | if (err) | |
650 | return err; | |
651 | ||
6722e0ef SAS |
652 | decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel; |
653 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel; | |
07b1747c VH |
654 | |
655 | /* Clear status */ | |
656 | msleep(LOCK_RETRY_DELAY); | |
657 | err = | |
62ef80a1 | 658 | tvp514x_write_reg(sd, REG_CLEAR_LOST_LOCK, 0x01); |
07b1747c VH |
659 | if (err) |
660 | return err; | |
661 | ||
662 | switch (input_sel) { | |
663 | case INPUT_CVBS_VI1A: | |
664 | case INPUT_CVBS_VI1B: | |
665 | case INPUT_CVBS_VI1C: | |
666 | case INPUT_CVBS_VI2A: | |
667 | case INPUT_CVBS_VI2B: | |
668 | case INPUT_CVBS_VI2C: | |
669 | case INPUT_CVBS_VI3A: | |
670 | case INPUT_CVBS_VI3B: | |
671 | case INPUT_CVBS_VI3C: | |
672 | case INPUT_CVBS_VI4A: | |
673 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
674 | STATUS_HORZ_SYNC_LOCK_BIT | | |
675 | STATUS_VIRT_SYNC_LOCK_BIT; | |
676 | break; | |
677 | ||
678 | case INPUT_SVIDEO_VI2A_VI1A: | |
679 | case INPUT_SVIDEO_VI2B_VI1B: | |
680 | case INPUT_SVIDEO_VI2C_VI1C: | |
681 | case INPUT_SVIDEO_VI2A_VI3A: | |
682 | case INPUT_SVIDEO_VI2B_VI3B: | |
683 | case INPUT_SVIDEO_VI2C_VI3C: | |
684 | case INPUT_SVIDEO_VI4A_VI1A: | |
685 | case INPUT_SVIDEO_VI4A_VI1B: | |
686 | case INPUT_SVIDEO_VI4A_VI1C: | |
687 | case INPUT_SVIDEO_VI4A_VI3A: | |
688 | case INPUT_SVIDEO_VI4A_VI3B: | |
689 | case INPUT_SVIDEO_VI4A_VI3C: | |
690 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
691 | STATUS_VIRT_SYNC_LOCK_BIT; | |
692 | break; | |
c1c9d09c | 693 | /* Need to add other interfaces*/ |
07b1747c VH |
694 | default: |
695 | return -EINVAL; | |
696 | } | |
697 | ||
698 | while (try_count-- > 0) { | |
699 | /* Allow decoder to sync up with new input */ | |
700 | msleep(LOCK_RETRY_DELAY); | |
701 | ||
62ef80a1 | 702 | sync_lock_status = tvp514x_read_reg(sd, |
07b1747c VH |
703 | REG_STATUS1); |
704 | if (lock_mask == (sync_lock_status & lock_mask)) | |
c1c9d09c MK |
705 | /* Input detected */ |
706 | break; | |
07b1747c VH |
707 | } |
708 | ||
2db4e78f | 709 | if (try_count < 0) |
07b1747c VH |
710 | return -EINVAL; |
711 | ||
62ef80a1 MK |
712 | decoder->input = input; |
713 | decoder->output = output; | |
07b1747c | 714 | |
2db4e78f | 715 | v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel); |
07b1747c VH |
716 | |
717 | return 0; | |
718 | } | |
719 | ||
c1c9d09c MK |
720 | /** |
721 | * tvp514x_queryctrl() - V4L2 decoder interface handler for queryctrl | |
62ef80a1 | 722 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
723 | * @qctrl: standard V4L2 v4l2_queryctrl structure |
724 | * | |
725 | * If the requested control is supported, returns the control information. | |
726 | * Otherwise, returns -EINVAL if the control is not supported. | |
727 | */ | |
728 | static int | |
62ef80a1 | 729 | tvp514x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl) |
07b1747c | 730 | { |
07b1747c VH |
731 | int err = -EINVAL; |
732 | ||
733 | if (qctrl == NULL) | |
734 | return err; | |
735 | ||
736 | switch (qctrl->id) { | |
737 | case V4L2_CID_BRIGHTNESS: | |
c1c9d09c | 738 | /* Brightness supported is (0-255), */ |
10afbef1 | 739 | err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); |
07b1747c VH |
740 | break; |
741 | case V4L2_CID_CONTRAST: | |
742 | case V4L2_CID_SATURATION: | |
c1c9d09c MK |
743 | /** |
744 | * Saturation and Contrast supported is - | |
07b1747c VH |
745 | * Contrast: 0 - 255 (Default - 128) |
746 | * Saturation: 0 - 255 (Default - 128) | |
747 | */ | |
748 | err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); | |
749 | break; | |
750 | case V4L2_CID_HUE: | |
751 | /* Hue Supported is - | |
752 | * Hue - -180 - +180 (Default - 0, Step - +180) | |
753 | */ | |
754 | err = v4l2_ctrl_query_fill(qctrl, -180, 180, 180, 0); | |
755 | break; | |
756 | case V4L2_CID_AUTOGAIN: | |
c1c9d09c | 757 | /** |
62ef80a1 MK |
758 | * Auto Gain supported is - |
759 | * 0 - 1 (Default - 1) | |
760 | */ | |
761 | err = v4l2_ctrl_query_fill(qctrl, 0, 1, 1, 1); | |
07b1747c VH |
762 | break; |
763 | default: | |
62ef80a1 | 764 | v4l2_err(sd, "invalid control id %d\n", qctrl->id); |
07b1747c VH |
765 | return err; |
766 | } | |
767 | ||
3907b072 | 768 | v4l2_dbg(1, debug, sd, "Query Control:%s: Min - %d, Max - %d, Def - %d\n", |
62ef80a1 | 769 | qctrl->name, qctrl->minimum, qctrl->maximum, |
07b1747c VH |
770 | qctrl->default_value); |
771 | ||
772 | return err; | |
773 | } | |
774 | ||
c1c9d09c MK |
775 | /** |
776 | * tvp514x_g_ctrl() - V4L2 decoder interface handler for g_ctrl | |
62ef80a1 | 777 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
778 | * @ctrl: pointer to v4l2_control structure |
779 | * | |
780 | * If the requested control is supported, returns the control's current | |
781 | * value from the decoder. Otherwise, returns -EINVAL if the control is not | |
782 | * supported. | |
783 | */ | |
784 | static int | |
62ef80a1 | 785 | tvp514x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
07b1747c | 786 | { |
62ef80a1 | 787 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
788 | |
789 | if (ctrl == NULL) | |
790 | return -EINVAL; | |
791 | ||
792 | switch (ctrl->id) { | |
793 | case V4L2_CID_BRIGHTNESS: | |
6722e0ef | 794 | ctrl->value = decoder->tvp514x_regs[REG_BRIGHTNESS].val; |
07b1747c VH |
795 | break; |
796 | case V4L2_CID_CONTRAST: | |
6722e0ef | 797 | ctrl->value = decoder->tvp514x_regs[REG_CONTRAST].val; |
07b1747c VH |
798 | break; |
799 | case V4L2_CID_SATURATION: | |
6722e0ef | 800 | ctrl->value = decoder->tvp514x_regs[REG_SATURATION].val; |
07b1747c VH |
801 | break; |
802 | case V4L2_CID_HUE: | |
6722e0ef | 803 | ctrl->value = decoder->tvp514x_regs[REG_HUE].val; |
07b1747c VH |
804 | if (ctrl->value == 0x7F) |
805 | ctrl->value = 180; | |
806 | else if (ctrl->value == 0x80) | |
807 | ctrl->value = -180; | |
808 | else | |
809 | ctrl->value = 0; | |
810 | ||
811 | break; | |
812 | case V4L2_CID_AUTOGAIN: | |
6722e0ef | 813 | ctrl->value = decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val; |
07b1747c VH |
814 | if ((ctrl->value & 0x3) == 3) |
815 | ctrl->value = 1; | |
816 | else | |
817 | ctrl->value = 0; | |
818 | ||
819 | break; | |
820 | default: | |
62ef80a1 | 821 | v4l2_err(sd, "invalid control id %d\n", ctrl->id); |
07b1747c VH |
822 | return -EINVAL; |
823 | } | |
824 | ||
3907b072 | 825 | v4l2_dbg(1, debug, sd, "Get Control: ID - %d - %d\n", |
07b1747c VH |
826 | ctrl->id, ctrl->value); |
827 | return 0; | |
828 | } | |
829 | ||
c1c9d09c MK |
830 | /** |
831 | * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl | |
62ef80a1 | 832 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
833 | * @ctrl: pointer to v4l2_control structure |
834 | * | |
835 | * If the requested control is supported, sets the control's current | |
836 | * value in HW. Otherwise, returns -EINVAL if the control is not supported. | |
837 | */ | |
838 | static int | |
62ef80a1 | 839 | tvp514x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) |
07b1747c | 840 | { |
62ef80a1 | 841 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
842 | int err = -EINVAL, value; |
843 | ||
844 | if (ctrl == NULL) | |
845 | return err; | |
846 | ||
62ef80a1 | 847 | value = ctrl->value; |
07b1747c VH |
848 | |
849 | switch (ctrl->id) { | |
850 | case V4L2_CID_BRIGHTNESS: | |
851 | if (ctrl->value < 0 || ctrl->value > 255) { | |
62ef80a1 | 852 | v4l2_err(sd, "invalid brightness setting %d\n", |
07b1747c VH |
853 | ctrl->value); |
854 | return -ERANGE; | |
855 | } | |
62ef80a1 | 856 | err = tvp514x_write_reg(sd, REG_BRIGHTNESS, |
07b1747c VH |
857 | value); |
858 | if (err) | |
859 | return err; | |
62ef80a1 | 860 | |
6722e0ef | 861 | decoder->tvp514x_regs[REG_BRIGHTNESS].val = value; |
07b1747c VH |
862 | break; |
863 | case V4L2_CID_CONTRAST: | |
864 | if (ctrl->value < 0 || ctrl->value > 255) { | |
62ef80a1 | 865 | v4l2_err(sd, "invalid contrast setting %d\n", |
07b1747c VH |
866 | ctrl->value); |
867 | return -ERANGE; | |
868 | } | |
62ef80a1 | 869 | err = tvp514x_write_reg(sd, REG_CONTRAST, value); |
07b1747c VH |
870 | if (err) |
871 | return err; | |
62ef80a1 | 872 | |
6722e0ef | 873 | decoder->tvp514x_regs[REG_CONTRAST].val = value; |
07b1747c VH |
874 | break; |
875 | case V4L2_CID_SATURATION: | |
876 | if (ctrl->value < 0 || ctrl->value > 255) { | |
62ef80a1 | 877 | v4l2_err(sd, "invalid saturation setting %d\n", |
07b1747c VH |
878 | ctrl->value); |
879 | return -ERANGE; | |
880 | } | |
62ef80a1 | 881 | err = tvp514x_write_reg(sd, REG_SATURATION, value); |
07b1747c VH |
882 | if (err) |
883 | return err; | |
62ef80a1 | 884 | |
6722e0ef | 885 | decoder->tvp514x_regs[REG_SATURATION].val = value; |
07b1747c VH |
886 | break; |
887 | case V4L2_CID_HUE: | |
888 | if (value == 180) | |
889 | value = 0x7F; | |
890 | else if (value == -180) | |
891 | value = 0x80; | |
892 | else if (value == 0) | |
893 | value = 0; | |
894 | else { | |
62ef80a1 | 895 | v4l2_err(sd, "invalid hue setting %d\n", ctrl->value); |
07b1747c VH |
896 | return -ERANGE; |
897 | } | |
62ef80a1 | 898 | err = tvp514x_write_reg(sd, REG_HUE, value); |
07b1747c VH |
899 | if (err) |
900 | return err; | |
62ef80a1 | 901 | |
6722e0ef | 902 | decoder->tvp514x_regs[REG_HUE].val = value; |
07b1747c VH |
903 | break; |
904 | case V4L2_CID_AUTOGAIN: | |
905 | if (value == 1) | |
906 | value = 0x0F; | |
907 | else if (value == 0) | |
908 | value = 0x0C; | |
909 | else { | |
62ef80a1 | 910 | v4l2_err(sd, "invalid auto gain setting %d\n", |
07b1747c VH |
911 | ctrl->value); |
912 | return -ERANGE; | |
913 | } | |
62ef80a1 | 914 | err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value); |
07b1747c VH |
915 | if (err) |
916 | return err; | |
62ef80a1 | 917 | |
6722e0ef | 918 | decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value; |
07b1747c VH |
919 | break; |
920 | default: | |
62ef80a1 | 921 | v4l2_err(sd, "invalid control id %d\n", ctrl->id); |
07b1747c VH |
922 | return err; |
923 | } | |
924 | ||
3907b072 | 925 | v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n", |
07b1747c VH |
926 | ctrl->id, ctrl->value); |
927 | ||
928 | return err; | |
929 | } | |
930 | ||
c1c9d09c MK |
931 | /** |
932 | * tvp514x_enum_fmt_cap() - V4L2 decoder interface handler for enum_fmt | |
62ef80a1 | 933 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
934 | * @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure |
935 | * | |
936 | * Implement the VIDIOC_ENUM_FMT ioctl to enumerate supported formats | |
937 | */ | |
938 | static int | |
62ef80a1 | 939 | tvp514x_enum_fmt_cap(struct v4l2_subdev *sd, struct v4l2_fmtdesc *fmt) |
07b1747c | 940 | { |
c2fc8096 | 941 | if (fmt == NULL || fmt->index) |
c1c9d09c | 942 | return -EINVAL; |
07b1747c VH |
943 | |
944 | if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
945 | /* only capture is supported */ |
946 | return -EINVAL; | |
07b1747c | 947 | |
c2fc8096 HV |
948 | /* only one format */ |
949 | fmt->flags = 0; | |
950 | strlcpy(fmt->description, "8-bit UYVY 4:2:2 Format", | |
951 | sizeof(fmt->description)); | |
952 | fmt->pixelformat = V4L2_PIX_FMT_UYVY; | |
07b1747c VH |
953 | return 0; |
954 | } | |
955 | ||
c1c9d09c | 956 | /** |
283d637b | 957 | * tvp514x_fmt_cap() - V4L2 decoder interface handler for try/s/g_fmt |
62ef80a1 | 958 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
959 | * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure |
960 | * | |
283d637b HV |
961 | * Implement the VIDIOC_TRY/S/G_FMT ioctl for the CAPTURE buffer type. This |
962 | * ioctl is used to negotiate the image capture size and pixel format. | |
07b1747c VH |
963 | */ |
964 | static int | |
283d637b | 965 | tvp514x_fmt_cap(struct v4l2_subdev *sd, struct v4l2_format *f) |
07b1747c | 966 | { |
62ef80a1 | 967 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
968 | struct v4l2_pix_format *pix; |
969 | enum tvp514x_std current_std; | |
970 | ||
971 | if (f == NULL) | |
972 | return -EINVAL; | |
973 | ||
974 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
283d637b | 975 | return -EINVAL; |
07b1747c VH |
976 | |
977 | pix = &f->fmt.pix; | |
978 | ||
979 | /* Calculate height and width based on current standard */ | |
2db4e78f | 980 | current_std = decoder->current_std; |
07b1747c | 981 | |
c2fc8096 | 982 | pix->pixelformat = V4L2_PIX_FMT_UYVY; |
07b1747c VH |
983 | pix->width = decoder->std_list[current_std].width; |
984 | pix->height = decoder->std_list[current_std].height; | |
07b1747c VH |
985 | pix->field = V4L2_FIELD_INTERLACED; |
986 | pix->bytesperline = pix->width * 2; | |
987 | pix->sizeimage = pix->bytesperline * pix->height; | |
988 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
989 | pix->priv = 0; | |
990 | ||
283d637b | 991 | v4l2_dbg(1, debug, sd, "FMT: bytesperline - %d" |
3907b072 | 992 | "Width - %d, Height - %d\n", |
c2fc8096 | 993 | pix->bytesperline, |
07b1747c VH |
994 | pix->width, pix->height); |
995 | return 0; | |
996 | } | |
997 | ||
c1c9d09c MK |
998 | /** |
999 | * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm | |
62ef80a1 | 1000 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
1001 | * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure |
1002 | * | |
1003 | * Returns the decoder's video CAPTURE parameters. | |
1004 | */ | |
1005 | static int | |
62ef80a1 | 1006 | tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 1007 | { |
62ef80a1 | 1008 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
1009 | struct v4l2_captureparm *cparm; |
1010 | enum tvp514x_std current_std; | |
1011 | ||
1012 | if (a == NULL) | |
1013 | return -EINVAL; | |
1014 | ||
1015 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
1016 | /* only capture is supported */ |
1017 | return -EINVAL; | |
07b1747c | 1018 | |
07b1747c | 1019 | /* get the current standard */ |
2db4e78f | 1020 | current_std = decoder->current_std; |
07b1747c VH |
1021 | |
1022 | cparm = &a->parm.capture; | |
1023 | cparm->capability = V4L2_CAP_TIMEPERFRAME; | |
1024 | cparm->timeperframe = | |
1025 | decoder->std_list[current_std].standard.frameperiod; | |
1026 | ||
1027 | return 0; | |
1028 | } | |
1029 | ||
c1c9d09c MK |
1030 | /** |
1031 | * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm | |
62ef80a1 | 1032 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
1033 | * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure |
1034 | * | |
1035 | * Configures the decoder to use the input parameters, if possible. If | |
1036 | * not possible, returns the appropriate error code. | |
1037 | */ | |
1038 | static int | |
62ef80a1 | 1039 | tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 1040 | { |
62ef80a1 | 1041 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
1042 | struct v4l2_fract *timeperframe; |
1043 | enum tvp514x_std current_std; | |
1044 | ||
1045 | if (a == NULL) | |
1046 | return -EINVAL; | |
1047 | ||
1048 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
1049 | /* only capture is supported */ |
1050 | return -EINVAL; | |
07b1747c VH |
1051 | |
1052 | timeperframe = &a->parm.capture.timeperframe; | |
1053 | ||
1054 | /* get the current standard */ | |
2db4e78f | 1055 | current_std = decoder->current_std; |
07b1747c VH |
1056 | |
1057 | *timeperframe = | |
1058 | decoder->std_list[current_std].standard.frameperiod; | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
c1c9d09c MK |
1063 | /** |
1064 | * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream | |
62ef80a1 MK |
1065 | * @sd: pointer to standard V4L2 sub-device structure |
1066 | * @enable: streaming enable or disable | |
07b1747c | 1067 | * |
62ef80a1 | 1068 | * Sets streaming to enable or disable, if possible. |
07b1747c | 1069 | */ |
62ef80a1 | 1070 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable) |
07b1747c | 1071 | { |
07b1747c | 1072 | int err = 0; |
62ef80a1 MK |
1073 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
1074 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
07b1747c | 1075 | |
62ef80a1 MK |
1076 | if (decoder->streaming == enable) |
1077 | return 0; | |
07b1747c | 1078 | |
62ef80a1 MK |
1079 | switch (enable) { |
1080 | case 0: | |
1081 | { | |
1082 | /* Power Down Sequence */ | |
1083 | err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01); | |
1084 | if (err) { | |
1085 | v4l2_err(sd, "Unable to turn off decoder\n"); | |
1086 | return err; | |
1087 | } | |
1088 | decoder->streaming = enable; | |
07b1747c | 1089 | break; |
62ef80a1 MK |
1090 | } |
1091 | case 1: | |
1092 | { | |
1093 | struct tvp514x_reg *int_seq = (struct tvp514x_reg *) | |
1094 | client->driver->id_table->driver_data; | |
07b1747c | 1095 | |
62ef80a1 MK |
1096 | /* Power Up Sequence */ |
1097 | err = tvp514x_write_regs(sd, int_seq); | |
1098 | if (err) { | |
1099 | v4l2_err(sd, "Unable to turn on decoder\n"); | |
1100 | return err; | |
1101 | } | |
1102 | /* Detect if not already detected */ | |
1103 | err = tvp514x_detect(sd, decoder); | |
1104 | if (err) { | |
1105 | v4l2_err(sd, "Unable to detect decoder\n"); | |
1106 | return err; | |
07b1747c | 1107 | } |
62ef80a1 MK |
1108 | err = tvp514x_configure(sd, decoder); |
1109 | if (err) { | |
1110 | v4l2_err(sd, "Unable to configure decoder\n"); | |
1111 | return err; | |
1112 | } | |
1113 | decoder->streaming = enable; | |
07b1747c | 1114 | break; |
62ef80a1 | 1115 | } |
07b1747c VH |
1116 | default: |
1117 | err = -ENODEV; | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | return err; | |
1122 | } | |
1123 | ||
62ef80a1 MK |
1124 | static const struct v4l2_subdev_core_ops tvp514x_core_ops = { |
1125 | .queryctrl = tvp514x_queryctrl, | |
1126 | .g_ctrl = tvp514x_g_ctrl, | |
1127 | .s_ctrl = tvp514x_s_ctrl, | |
1128 | .s_std = tvp514x_s_std, | |
1129 | }; | |
07b1747c | 1130 | |
62ef80a1 MK |
1131 | static const struct v4l2_subdev_video_ops tvp514x_video_ops = { |
1132 | .s_routing = tvp514x_s_routing, | |
1133 | .querystd = tvp514x_querystd, | |
1134 | .enum_fmt = tvp514x_enum_fmt_cap, | |
283d637b HV |
1135 | .g_fmt = tvp514x_fmt_cap, |
1136 | .try_fmt = tvp514x_fmt_cap, | |
1137 | .s_fmt = tvp514x_fmt_cap, | |
62ef80a1 MK |
1138 | .g_parm = tvp514x_g_parm, |
1139 | .s_parm = tvp514x_s_parm, | |
1140 | .s_stream = tvp514x_s_stream, | |
1141 | }; | |
07b1747c | 1142 | |
62ef80a1 MK |
1143 | static const struct v4l2_subdev_ops tvp514x_ops = { |
1144 | .core = &tvp514x_core_ops, | |
1145 | .video = &tvp514x_video_ops, | |
07b1747c VH |
1146 | }; |
1147 | ||
07b1747c | 1148 | static struct tvp514x_decoder tvp514x_dev = { |
62ef80a1 | 1149 | .streaming = 0, |
07b1747c VH |
1150 | .current_std = STD_NTSC_MJ, |
1151 | .std_list = tvp514x_std_list, | |
1152 | .num_stds = ARRAY_SIZE(tvp514x_std_list), | |
62ef80a1 | 1153 | |
07b1747c VH |
1154 | }; |
1155 | ||
c1c9d09c MK |
1156 | /** |
1157 | * tvp514x_probe() - decoder driver i2c probe handler | |
07b1747c | 1158 | * @client: i2c driver client device structure |
62ef80a1 | 1159 | * @id: i2c driver id table |
07b1747c VH |
1160 | * |
1161 | * Register decoder as an i2c client device and V4L2 | |
1162 | * device. | |
1163 | */ | |
1164 | static int | |
1165 | tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1166 | { | |
6722e0ef | 1167 | struct tvp514x_decoder *decoder; |
62ef80a1 | 1168 | struct v4l2_subdev *sd; |
07b1747c VH |
1169 | |
1170 | /* Check if the adapter supports the needed features */ | |
1171 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1172 | return -EIO; | |
1173 | ||
62ef80a1 MK |
1174 | if (!client->dev.platform_data) { |
1175 | v4l2_err(client, "No platform data!!\n"); | |
1176 | return -ENODEV; | |
1177 | } | |
1178 | ||
6722e0ef SAS |
1179 | decoder = kzalloc(sizeof(*decoder), GFP_KERNEL); |
1180 | if (!decoder) | |
1181 | return -ENOMEM; | |
1182 | ||
c1c9d09c | 1183 | /* Initialize the tvp514x_decoder with default configuration */ |
6722e0ef | 1184 | *decoder = tvp514x_dev; |
62ef80a1 | 1185 | /* Copy default register configuration */ |
6722e0ef SAS |
1186 | memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, |
1187 | sizeof(tvp514x_reg_list_default)); | |
62ef80a1 | 1188 | |
c1c9d09c | 1189 | /* Copy board specific information here */ |
62ef80a1 MK |
1190 | decoder->pdata = client->dev.platform_data; |
1191 | ||
c1c9d09c | 1192 | /** |
07b1747c VH |
1193 | * Fetch platform specific data, and configure the |
1194 | * tvp514x_reg_list[] accordingly. Since this is one | |
1195 | * time configuration, no need to preserve. | |
1196 | */ | |
6722e0ef | 1197 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= |
62ef80a1 | 1198 | (decoder->pdata->clk_polarity << 1); |
6722e0ef | 1199 | decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= |
62ef80a1 MK |
1200 | ((decoder->pdata->hs_polarity << 2) | |
1201 | (decoder->pdata->vs_polarity << 3)); | |
1202 | /* Set default standard to auto */ | |
1203 | decoder->tvp514x_regs[REG_VIDEO_STD].val = | |
1204 | VIDEO_STD_AUTO_SWITCH_BIT; | |
07b1747c VH |
1205 | |
1206 | /* Register with V4L2 layer as slave device */ | |
62ef80a1 MK |
1207 | sd = &decoder->sd; |
1208 | v4l2_i2c_subdev_init(sd, client, &tvp514x_ops); | |
1209 | ||
1210 | v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); | |
1211 | ||
07b1747c | 1212 | return 0; |
6722e0ef | 1213 | |
07b1747c VH |
1214 | } |
1215 | ||
c1c9d09c MK |
1216 | /** |
1217 | * tvp514x_remove() - decoder driver i2c remove handler | |
07b1747c VH |
1218 | * @client: i2c driver client device structure |
1219 | * | |
1220 | * Unregister decoder as an i2c client device and V4L2 | |
1221 | * device. Complement of tvp514x_probe(). | |
1222 | */ | |
62ef80a1 | 1223 | static int tvp514x_remove(struct i2c_client *client) |
07b1747c | 1224 | { |
62ef80a1 MK |
1225 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
1226 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
07b1747c | 1227 | |
62ef80a1 | 1228 | v4l2_device_unregister_subdev(sd); |
6722e0ef | 1229 | kfree(decoder); |
07b1747c VH |
1230 | return 0; |
1231 | } | |
c1c9d09c | 1232 | /* TVP5146 Init/Power on Sequence */ |
07b1747c VH |
1233 | static const struct tvp514x_reg tvp5146_init_reg_seq[] = { |
1234 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1235 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1236 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1237 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1238 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1239 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1240 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1241 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1242 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1243 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1244 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1245 | {TOK_TERM, 0, 0}, |
07b1747c | 1246 | }; |
62ef80a1 | 1247 | |
c1c9d09c | 1248 | /* TVP5147 Init/Power on Sequence */ |
07b1747c VH |
1249 | static const struct tvp514x_reg tvp5147_init_reg_seq[] = { |
1250 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1251 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1252 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1253 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1254 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1255 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1256 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1257 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1258 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, | |
1259 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1260 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, | |
1261 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, | |
1262 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1263 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1264 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1265 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1266 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1267 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1268 | {TOK_TERM, 0, 0}, |
07b1747c | 1269 | }; |
62ef80a1 | 1270 | |
c1c9d09c | 1271 | /* TVP5146M2/TVP5147M1 Init/Power on Sequence */ |
07b1747c VH |
1272 | static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { |
1273 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1274 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1275 | {TOK_TERM, 0, 0}, |
07b1747c | 1276 | }; |
62ef80a1 | 1277 | |
c1c9d09c | 1278 | /** |
07b1747c VH |
1279 | * I2C Device Table - |
1280 | * | |
1281 | * name - Name of the actual device/chip. | |
1282 | * driver_data - Driver data | |
1283 | */ | |
1284 | static const struct i2c_device_id tvp514x_id[] = { | |
62ef80a1 MK |
1285 | {"tvp5146", (unsigned long)tvp5146_init_reg_seq}, |
1286 | {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq}, | |
1287 | {"tvp5147", (unsigned long)tvp5147_init_reg_seq}, | |
1288 | {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq}, | |
07b1747c VH |
1289 | {}, |
1290 | }; | |
1291 | ||
1292 | MODULE_DEVICE_TABLE(i2c, tvp514x_id); | |
1293 | ||
62ef80a1 | 1294 | static struct i2c_driver tvp514x_driver = { |
07b1747c | 1295 | .driver = { |
62ef80a1 MK |
1296 | .owner = THIS_MODULE, |
1297 | .name = TVP514X_MODULE_NAME, | |
1298 | }, | |
07b1747c | 1299 | .probe = tvp514x_probe, |
62ef80a1 | 1300 | .remove = tvp514x_remove, |
07b1747c VH |
1301 | .id_table = tvp514x_id, |
1302 | }; | |
1303 | ||
07b1747c VH |
1304 | static int __init tvp514x_init(void) |
1305 | { | |
62ef80a1 | 1306 | return i2c_add_driver(&tvp514x_driver); |
07b1747c VH |
1307 | } |
1308 | ||
62ef80a1 | 1309 | static void __exit tvp514x_exit(void) |
07b1747c | 1310 | { |
62ef80a1 | 1311 | i2c_del_driver(&tvp514x_driver); |
07b1747c VH |
1312 | } |
1313 | ||
1314 | module_init(tvp514x_init); | |
62ef80a1 | 1315 | module_exit(tvp514x_exit); |