Commit | Line | Data |
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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> | |
83811913 | 38 | #include <media/v4l2-mediabus.h> |
62ef80a1 | 39 | #include <media/v4l2-chip-ident.h> |
cf6832af | 40 | #include <media/v4l2-ctrls.h> |
07b1747c VH |
41 | #include <media/tvp514x.h> |
42 | ||
43 | #include "tvp514x_regs.h" | |
44 | ||
45 | /* Module Name */ | |
46 | #define TVP514X_MODULE_NAME "tvp514x" | |
47 | ||
48 | /* Private macros for TVP */ | |
49 | #define I2C_RETRY_COUNT (5) | |
50 | #define LOCK_RETRY_COUNT (5) | |
51 | #define LOCK_RETRY_DELAY (200) | |
52 | ||
53 | /* Debug functions */ | |
54 | static int debug; | |
55 | module_param(debug, bool, 0644); | |
56 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
57 | ||
62ef80a1 MK |
58 | MODULE_AUTHOR("Texas Instruments"); |
59 | MODULE_DESCRIPTION("TVP514X linux decoder driver"); | |
60 | MODULE_LICENSE("GPL"); | |
07b1747c | 61 | |
c1c9d09c | 62 | /* enum tvp514x_std - enum for supported standards */ |
07b1747c VH |
63 | enum tvp514x_std { |
64 | STD_NTSC_MJ = 0, | |
65 | STD_PAL_BDGHIN, | |
66 | STD_INVALID | |
67 | }; | |
68 | ||
c1c9d09c | 69 | /** |
07b1747c VH |
70 | * struct tvp514x_std_info - Structure to store standard informations |
71 | * @width: Line width in pixels | |
72 | * @height:Number of active lines | |
73 | * @video_std: Value to write in REG_VIDEO_STD register | |
74 | * @standard: v4l2 standard structure information | |
75 | */ | |
76 | struct tvp514x_std_info { | |
77 | unsigned long width; | |
78 | unsigned long height; | |
79 | u8 video_std; | |
80 | struct v4l2_standard standard; | |
81 | }; | |
82 | ||
6722e0ef | 83 | static struct tvp514x_reg tvp514x_reg_list_default[0x40]; |
63b59cec VH |
84 | |
85 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable); | |
c1c9d09c | 86 | /** |
6722e0ef | 87 | * struct tvp514x_decoder - TVP5146/47 decoder object |
62ef80a1 | 88 | * @sd: Subdevice Slave handle |
6722e0ef | 89 | * @tvp514x_regs: copy of hw's regs with preset values. |
07b1747c | 90 | * @pdata: Board specific |
07b1747c | 91 | * @ver: Chip version |
62ef80a1 | 92 | * @streaming: TVP5146/47 decoder streaming - enabled or disabled. |
07b1747c VH |
93 | * @current_std: Current standard |
94 | * @num_stds: Number of standards | |
95 | * @std_list: Standards list | |
62ef80a1 MK |
96 | * @input: Input routing at chip level |
97 | * @output: Output routing at chip level | |
07b1747c VH |
98 | */ |
99 | struct tvp514x_decoder { | |
62ef80a1 | 100 | struct v4l2_subdev sd; |
cf6832af | 101 | struct v4l2_ctrl_handler hdl; |
6722e0ef | 102 | struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)]; |
07b1747c | 103 | const struct tvp514x_platform_data *pdata; |
07b1747c VH |
104 | |
105 | int ver; | |
62ef80a1 | 106 | int streaming; |
07b1747c | 107 | |
07b1747c VH |
108 | enum tvp514x_std current_std; |
109 | int num_stds; | |
a75ffc12 | 110 | const struct tvp514x_std_info *std_list; |
c1c9d09c | 111 | /* Input and Output Routing parameters */ |
62ef80a1 MK |
112 | u32 input; |
113 | u32 output; | |
07b1747c VH |
114 | }; |
115 | ||
116 | /* TVP514x default register values */ | |
6722e0ef | 117 | static struct tvp514x_reg tvp514x_reg_list_default[] = { |
c1c9d09c MK |
118 | /* Composite selected */ |
119 | {TOK_WRITE, REG_INPUT_SEL, 0x05}, | |
07b1747c | 120 | {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, |
c1c9d09c MK |
121 | /* Auto mode */ |
122 | {TOK_WRITE, REG_VIDEO_STD, 0x00}, | |
07b1747c VH |
123 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
124 | {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, | |
125 | {TOK_WRITE, REG_COLOR_KILLER, 0x10}, | |
126 | {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, | |
127 | {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, | |
128 | {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, | |
129 | {TOK_WRITE, REG_BRIGHTNESS, 0x80}, | |
130 | {TOK_WRITE, REG_CONTRAST, 0x80}, | |
131 | {TOK_WRITE, REG_SATURATION, 0x80}, | |
132 | {TOK_WRITE, REG_HUE, 0x00}, | |
133 | {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, | |
134 | {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, | |
c1c9d09c MK |
135 | /* Reserved */ |
136 | {TOK_SKIP, 0x0F, 0x00}, | |
07b1747c VH |
137 | {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, |
138 | {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, | |
139 | {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, | |
c1c9d09c MK |
140 | /* Reserved */ |
141 | {TOK_SKIP, 0x13, 0x00}, | |
07b1747c | 142 | {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, |
c1c9d09c MK |
143 | /* Reserved */ |
144 | {TOK_SKIP, 0x15, 0x00}, | |
145 | /* NTSC timing */ | |
146 | {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, | |
07b1747c VH |
147 | {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, |
148 | {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, | |
149 | {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, | |
c1c9d09c MK |
150 | /* NTSC timing */ |
151 | {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, | |
07b1747c VH |
152 | {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, |
153 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, | |
154 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, | |
c1c9d09c MK |
155 | /* NTSC timing */ |
156 | {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, | |
07b1747c VH |
157 | {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, |
158 | {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, | |
159 | {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
160 | /* NTSC timing */ |
161 | {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, | |
07b1747c VH |
162 | {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, |
163 | {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, | |
164 | {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, | |
c1c9d09c MK |
165 | /* Reserved */ |
166 | {TOK_SKIP, 0x26, 0x00}, | |
167 | /* Reserved */ | |
168 | {TOK_SKIP, 0x27, 0x00}, | |
07b1747c | 169 | {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, |
c1c9d09c MK |
170 | /* Reserved */ |
171 | {TOK_SKIP, 0x29, 0x00}, | |
07b1747c | 172 | {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, |
c1c9d09c MK |
173 | /* Reserved */ |
174 | {TOK_SKIP, 0x2B, 0x00}, | |
07b1747c VH |
175 | {TOK_SKIP, REG_SCART_DELAY, 0x00}, |
176 | {TOK_SKIP, REG_CTI_DELAY, 0x00}, | |
177 | {TOK_SKIP, REG_CTI_CONTROL, 0x00}, | |
c1c9d09c MK |
178 | /* Reserved */ |
179 | {TOK_SKIP, 0x2F, 0x00}, | |
180 | /* Reserved */ | |
181 | {TOK_SKIP, 0x30, 0x00}, | |
182 | /* Reserved */ | |
183 | {TOK_SKIP, 0x31, 0x00}, | |
184 | /* HS, VS active high */ | |
185 | {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, | |
186 | /* 10-bit BT.656 */ | |
187 | {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, | |
188 | /* Enable clk & data */ | |
189 | {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, | |
190 | /* Enable AVID & FLD */ | |
191 | {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, | |
192 | /* Enable VS & HS */ | |
193 | {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, | |
07b1747c VH |
194 | {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, |
195 | {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, | |
c1c9d09c MK |
196 | /* Clear status */ |
197 | {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, | |
07b1747c VH |
198 | {TOK_TERM, 0, 0}, |
199 | }; | |
200 | ||
c1c9d09c | 201 | /** |
07b1747c VH |
202 | * Supported standards - |
203 | * | |
204 | * Currently supports two standards only, need to add support for rest of the | |
205 | * modes, like SECAM, etc... | |
206 | */ | |
a75ffc12 | 207 | static const struct tvp514x_std_info tvp514x_std_list[] = { |
07b1747c VH |
208 | /* Standard: STD_NTSC_MJ */ |
209 | [STD_NTSC_MJ] = { | |
210 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
211 | .height = NTSC_NUM_ACTIVE_LINES, | |
212 | .video_std = VIDEO_STD_NTSC_MJ_BIT, | |
213 | .standard = { | |
214 | .index = 0, | |
215 | .id = V4L2_STD_NTSC, | |
216 | .name = "NTSC", | |
217 | .frameperiod = {1001, 30000}, | |
218 | .framelines = 525 | |
219 | }, | |
220 | /* Standard: STD_PAL_BDGHIN */ | |
221 | }, | |
222 | [STD_PAL_BDGHIN] = { | |
223 | .width = PAL_NUM_ACTIVE_PIXELS, | |
224 | .height = PAL_NUM_ACTIVE_LINES, | |
225 | .video_std = VIDEO_STD_PAL_BDGHIN_BIT, | |
226 | .standard = { | |
227 | .index = 1, | |
228 | .id = V4L2_STD_PAL, | |
229 | .name = "PAL", | |
230 | .frameperiod = {1, 25}, | |
231 | .framelines = 625 | |
232 | }, | |
233 | }, | |
234 | /* Standard: need to add for additional standard */ | |
235 | }; | |
62ef80a1 MK |
236 | |
237 | ||
238 | static inline struct tvp514x_decoder *to_decoder(struct v4l2_subdev *sd) | |
239 | { | |
240 | return container_of(sd, struct tvp514x_decoder, sd); | |
241 | } | |
242 | ||
cf6832af HV |
243 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
244 | { | |
245 | return &container_of(ctrl->handler, struct tvp514x_decoder, hdl)->sd; | |
246 | } | |
247 | ||
07b1747c | 248 | |
c1c9d09c MK |
249 | /** |
250 | * tvp514x_read_reg() - Read a value from a register in an TVP5146/47. | |
251 | * @sd: ptr to v4l2_subdev struct | |
252 | * @reg: TVP5146/47 register address | |
253 | * | |
07b1747c VH |
254 | * Returns value read if successful, or non-zero (-1) otherwise. |
255 | */ | |
62ef80a1 | 256 | static int tvp514x_read_reg(struct v4l2_subdev *sd, u8 reg) |
07b1747c | 257 | { |
62ef80a1 MK |
258 | int err, retry = 0; |
259 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
260 | ||
07b1747c VH |
261 | read_again: |
262 | ||
263 | err = i2c_smbus_read_byte_data(client, reg); | |
6f901a99 | 264 | if (err < 0) { |
07b1747c | 265 | if (retry <= I2C_RETRY_COUNT) { |
62ef80a1 | 266 | v4l2_warn(sd, "Read: retry ... %d\n", retry); |
07b1747c VH |
267 | retry++; |
268 | msleep_interruptible(10); | |
269 | goto read_again; | |
270 | } | |
271 | } | |
272 | ||
273 | return err; | |
274 | } | |
275 | ||
c1c9d09c MK |
276 | /** |
277 | * dump_reg() - dump the register content of TVP5146/47. | |
278 | * @sd: ptr to v4l2_subdev struct | |
279 | * @reg: TVP5146/47 register address | |
280 | */ | |
62ef80a1 MK |
281 | static void dump_reg(struct v4l2_subdev *sd, u8 reg) |
282 | { | |
283 | u32 val; | |
284 | ||
285 | val = tvp514x_read_reg(sd, reg); | |
286 | v4l2_info(sd, "Reg(0x%.2X): 0x%.2X\n", reg, val); | |
287 | } | |
288 | ||
c1c9d09c MK |
289 | /** |
290 | * tvp514x_write_reg() - Write a value to a register in TVP5146/47 | |
291 | * @sd: ptr to v4l2_subdev struct | |
292 | * @reg: TVP5146/47 register address | |
293 | * @val: value to be written to the register | |
294 | * | |
07b1747c VH |
295 | * Write a value to a register in an TVP5146/47 decoder device. |
296 | * Returns zero if successful, or non-zero otherwise. | |
297 | */ | |
62ef80a1 | 298 | static int tvp514x_write_reg(struct v4l2_subdev *sd, u8 reg, u8 val) |
07b1747c | 299 | { |
62ef80a1 MK |
300 | int err, retry = 0; |
301 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
302 | ||
07b1747c VH |
303 | write_again: |
304 | ||
305 | err = i2c_smbus_write_byte_data(client, reg, val); | |
306 | if (err) { | |
307 | if (retry <= I2C_RETRY_COUNT) { | |
62ef80a1 | 308 | v4l2_warn(sd, "Write: retry ... %d\n", retry); |
07b1747c VH |
309 | retry++; |
310 | msleep_interruptible(10); | |
311 | goto write_again; | |
312 | } | |
313 | } | |
314 | ||
315 | return err; | |
316 | } | |
317 | ||
c1c9d09c MK |
318 | /** |
319 | * tvp514x_write_regs() : Initializes a list of TVP5146/47 registers | |
320 | * @sd: ptr to v4l2_subdev struct | |
321 | * @reglist: list of TVP5146/47 registers and values | |
322 | * | |
323 | * Initializes a list of TVP5146/47 registers:- | |
07b1747c VH |
324 | * if token is TOK_TERM, then entire write operation terminates |
325 | * if token is TOK_DELAY, then a delay of 'val' msec is introduced | |
326 | * if token is TOK_SKIP, then the register write is skipped | |
327 | * if token is TOK_WRITE, then the register write is performed | |
07b1747c VH |
328 | * Returns zero if successful, or non-zero otherwise. |
329 | */ | |
62ef80a1 | 330 | static int tvp514x_write_regs(struct v4l2_subdev *sd, |
07b1747c VH |
331 | const struct tvp514x_reg reglist[]) |
332 | { | |
333 | int err; | |
334 | const struct tvp514x_reg *next = reglist; | |
335 | ||
336 | for (; next->token != TOK_TERM; next++) { | |
337 | if (next->token == TOK_DELAY) { | |
338 | msleep(next->val); | |
339 | continue; | |
340 | } | |
341 | ||
342 | if (next->token == TOK_SKIP) | |
343 | continue; | |
344 | ||
62ef80a1 | 345 | err = tvp514x_write_reg(sd, next->reg, (u8) next->val); |
07b1747c | 346 | if (err) { |
62ef80a1 | 347 | v4l2_err(sd, "Write failed. Err[%d]\n", err); |
07b1747c VH |
348 | return err; |
349 | } | |
350 | } | |
351 | return 0; | |
352 | } | |
353 | ||
c1c9d09c | 354 | /** |
2db4e78f | 355 | * tvp514x_query_current_std() : Query the current standard detected by TVP5146/47 |
c1c9d09c MK |
356 | * @sd: ptr to v4l2_subdev struct |
357 | * | |
2db4e78f | 358 | * Returns the current standard detected by TVP5146/47, STD_INVALID if there is no |
c1c9d09c | 359 | * standard detected. |
07b1747c | 360 | */ |
2db4e78f | 361 | static enum tvp514x_std tvp514x_query_current_std(struct v4l2_subdev *sd) |
07b1747c VH |
362 | { |
363 | u8 std, std_status; | |
364 | ||
62ef80a1 MK |
365 | std = tvp514x_read_reg(sd, REG_VIDEO_STD); |
366 | if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) | |
07b1747c | 367 | /* use the standard status register */ |
62ef80a1 MK |
368 | std_status = tvp514x_read_reg(sd, REG_VIDEO_STD_STATUS); |
369 | else | |
c1c9d09c MK |
370 | /* use the standard register itself */ |
371 | std_status = std; | |
07b1747c VH |
372 | |
373 | switch (std_status & VIDEO_STD_MASK) { | |
374 | case VIDEO_STD_NTSC_MJ_BIT: | |
375 | return STD_NTSC_MJ; | |
376 | ||
377 | case VIDEO_STD_PAL_BDGHIN_BIT: | |
378 | return STD_PAL_BDGHIN; | |
379 | ||
380 | default: | |
381 | return STD_INVALID; | |
382 | } | |
383 | ||
384 | return STD_INVALID; | |
385 | } | |
386 | ||
c1c9d09c | 387 | /* TVP5146/47 register dump function */ |
62ef80a1 | 388 | static void tvp514x_reg_dump(struct v4l2_subdev *sd) |
07b1747c | 389 | { |
62ef80a1 MK |
390 | dump_reg(sd, REG_INPUT_SEL); |
391 | dump_reg(sd, REG_AFE_GAIN_CTRL); | |
392 | dump_reg(sd, REG_VIDEO_STD); | |
393 | dump_reg(sd, REG_OPERATION_MODE); | |
394 | dump_reg(sd, REG_COLOR_KILLER); | |
395 | dump_reg(sd, REG_LUMA_CONTROL1); | |
396 | dump_reg(sd, REG_LUMA_CONTROL2); | |
397 | dump_reg(sd, REG_LUMA_CONTROL3); | |
398 | dump_reg(sd, REG_BRIGHTNESS); | |
399 | dump_reg(sd, REG_CONTRAST); | |
400 | dump_reg(sd, REG_SATURATION); | |
401 | dump_reg(sd, REG_HUE); | |
402 | dump_reg(sd, REG_CHROMA_CONTROL1); | |
403 | dump_reg(sd, REG_CHROMA_CONTROL2); | |
404 | dump_reg(sd, REG_COMP_PR_SATURATION); | |
405 | dump_reg(sd, REG_COMP_Y_CONTRAST); | |
406 | dump_reg(sd, REG_COMP_PB_SATURATION); | |
407 | dump_reg(sd, REG_COMP_Y_BRIGHTNESS); | |
408 | dump_reg(sd, REG_AVID_START_PIXEL_LSB); | |
409 | dump_reg(sd, REG_AVID_START_PIXEL_MSB); | |
410 | dump_reg(sd, REG_AVID_STOP_PIXEL_LSB); | |
411 | dump_reg(sd, REG_AVID_STOP_PIXEL_MSB); | |
412 | dump_reg(sd, REG_HSYNC_START_PIXEL_LSB); | |
413 | dump_reg(sd, REG_HSYNC_START_PIXEL_MSB); | |
414 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_LSB); | |
415 | dump_reg(sd, REG_HSYNC_STOP_PIXEL_MSB); | |
416 | dump_reg(sd, REG_VSYNC_START_LINE_LSB); | |
417 | dump_reg(sd, REG_VSYNC_START_LINE_MSB); | |
418 | dump_reg(sd, REG_VSYNC_STOP_LINE_LSB); | |
419 | dump_reg(sd, REG_VSYNC_STOP_LINE_MSB); | |
420 | dump_reg(sd, REG_VBLK_START_LINE_LSB); | |
421 | dump_reg(sd, REG_VBLK_START_LINE_MSB); | |
422 | dump_reg(sd, REG_VBLK_STOP_LINE_LSB); | |
423 | dump_reg(sd, REG_VBLK_STOP_LINE_MSB); | |
424 | dump_reg(sd, REG_SYNC_CONTROL); | |
425 | dump_reg(sd, REG_OUTPUT_FORMATTER1); | |
426 | dump_reg(sd, REG_OUTPUT_FORMATTER2); | |
427 | dump_reg(sd, REG_OUTPUT_FORMATTER3); | |
428 | dump_reg(sd, REG_OUTPUT_FORMATTER4); | |
429 | dump_reg(sd, REG_OUTPUT_FORMATTER5); | |
430 | dump_reg(sd, REG_OUTPUT_FORMATTER6); | |
431 | dump_reg(sd, REG_CLEAR_LOST_LOCK); | |
07b1747c VH |
432 | } |
433 | ||
c1c9d09c MK |
434 | /** |
435 | * tvp514x_configure() - Configure the TVP5146/47 registers | |
436 | * @sd: ptr to v4l2_subdev struct | |
437 | * @decoder: ptr to tvp514x_decoder structure | |
438 | * | |
07b1747c VH |
439 | * Returns zero if successful, or non-zero otherwise. |
440 | */ | |
62ef80a1 MK |
441 | static int tvp514x_configure(struct v4l2_subdev *sd, |
442 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
443 | { |
444 | int err; | |
445 | ||
446 | /* common register initialization */ | |
447 | err = | |
62ef80a1 | 448 | tvp514x_write_regs(sd, decoder->tvp514x_regs); |
07b1747c VH |
449 | if (err) |
450 | return err; | |
451 | ||
452 | if (debug) | |
62ef80a1 | 453 | tvp514x_reg_dump(sd); |
07b1747c VH |
454 | |
455 | return 0; | |
456 | } | |
457 | ||
c1c9d09c MK |
458 | /** |
459 | * tvp514x_detect() - Detect if an tvp514x is present, and if so which revision. | |
460 | * @sd: pointer to standard V4L2 sub-device structure | |
461 | * @decoder: pointer to tvp514x_decoder structure | |
462 | * | |
07b1747c VH |
463 | * A device is considered to be detected if the chip ID (LSB and MSB) |
464 | * registers match the expected values. | |
465 | * Any value of the rom version register is accepted. | |
466 | * Returns ENODEV error number if no device is detected, or zero | |
467 | * if a device is detected. | |
468 | */ | |
62ef80a1 MK |
469 | static int tvp514x_detect(struct v4l2_subdev *sd, |
470 | struct tvp514x_decoder *decoder) | |
07b1747c VH |
471 | { |
472 | u8 chip_id_msb, chip_id_lsb, rom_ver; | |
62ef80a1 | 473 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
07b1747c | 474 | |
62ef80a1 MK |
475 | chip_id_msb = tvp514x_read_reg(sd, REG_CHIP_ID_MSB); |
476 | chip_id_lsb = tvp514x_read_reg(sd, REG_CHIP_ID_LSB); | |
477 | rom_ver = tvp514x_read_reg(sd, REG_ROM_VERSION); | |
07b1747c | 478 | |
62ef80a1 | 479 | v4l2_dbg(1, debug, sd, |
07b1747c VH |
480 | "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", |
481 | chip_id_msb, chip_id_lsb, rom_ver); | |
482 | if ((chip_id_msb != TVP514X_CHIP_ID_MSB) | |
483 | || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) | |
484 | && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { | |
485 | /* We didn't read the values we expected, so this must not be | |
486 | * an TVP5146/47. | |
487 | */ | |
62ef80a1 MK |
488 | v4l2_err(sd, "chip id mismatch msb:0x%x lsb:0x%x\n", |
489 | chip_id_msb, chip_id_lsb); | |
07b1747c VH |
490 | return -ENODEV; |
491 | } | |
492 | ||
493 | decoder->ver = rom_ver; | |
07b1747c | 494 | |
62ef80a1 MK |
495 | v4l2_info(sd, "%s (Version - 0x%.2x) found at 0x%x (%s)\n", |
496 | client->name, decoder->ver, | |
497 | client->addr << 1, client->adapter->name); | |
07b1747c VH |
498 | return 0; |
499 | } | |
500 | ||
c1c9d09c MK |
501 | /** |
502 | * tvp514x_querystd() - V4L2 decoder interface handler for querystd | |
62ef80a1 | 503 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
504 | * @std_id: standard V4L2 std_id ioctl enum |
505 | * | |
506 | * Returns the current standard detected by TVP5146/47. If no active input is | |
2db4e78f | 507 | * detected then *std_id is set to 0 and the function returns 0. |
07b1747c | 508 | */ |
62ef80a1 | 509 | static int tvp514x_querystd(struct v4l2_subdev *sd, v4l2_std_id *std_id) |
07b1747c | 510 | { |
62ef80a1 | 511 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
512 | enum tvp514x_std current_std; |
513 | enum tvp514x_input input_sel; | |
514 | u8 sync_lock_status, lock_mask; | |
515 | ||
516 | if (std_id == NULL) | |
517 | return -EINVAL; | |
518 | ||
2db4e78f HV |
519 | *std_id = V4L2_STD_UNKNOWN; |
520 | ||
521 | /* query the current standard */ | |
522 | current_std = tvp514x_query_current_std(sd); | |
07b1747c | 523 | if (current_std == STD_INVALID) |
2db4e78f | 524 | return 0; |
07b1747c | 525 | |
62ef80a1 | 526 | input_sel = decoder->input; |
07b1747c VH |
527 | |
528 | switch (input_sel) { | |
529 | case INPUT_CVBS_VI1A: | |
530 | case INPUT_CVBS_VI1B: | |
531 | case INPUT_CVBS_VI1C: | |
532 | case INPUT_CVBS_VI2A: | |
533 | case INPUT_CVBS_VI2B: | |
534 | case INPUT_CVBS_VI2C: | |
535 | case INPUT_CVBS_VI3A: | |
536 | case INPUT_CVBS_VI3B: | |
537 | case INPUT_CVBS_VI3C: | |
538 | case INPUT_CVBS_VI4A: | |
539 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
540 | STATUS_HORZ_SYNC_LOCK_BIT | | |
541 | STATUS_VIRT_SYNC_LOCK_BIT; | |
542 | break; | |
543 | ||
544 | case INPUT_SVIDEO_VI2A_VI1A: | |
545 | case INPUT_SVIDEO_VI2B_VI1B: | |
546 | case INPUT_SVIDEO_VI2C_VI1C: | |
547 | case INPUT_SVIDEO_VI2A_VI3A: | |
548 | case INPUT_SVIDEO_VI2B_VI3B: | |
549 | case INPUT_SVIDEO_VI2C_VI3C: | |
550 | case INPUT_SVIDEO_VI4A_VI1A: | |
551 | case INPUT_SVIDEO_VI4A_VI1B: | |
552 | case INPUT_SVIDEO_VI4A_VI1C: | |
553 | case INPUT_SVIDEO_VI4A_VI3A: | |
554 | case INPUT_SVIDEO_VI4A_VI3B: | |
555 | case INPUT_SVIDEO_VI4A_VI3C: | |
556 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
557 | STATUS_VIRT_SYNC_LOCK_BIT; | |
558 | break; | |
559 | /*Need to add other interfaces*/ | |
560 | default: | |
561 | return -EINVAL; | |
562 | } | |
563 | /* check whether signal is locked */ | |
62ef80a1 | 564 | sync_lock_status = tvp514x_read_reg(sd, REG_STATUS1); |
07b1747c | 565 | if (lock_mask != (sync_lock_status & lock_mask)) |
2db4e78f | 566 | return 0; /* No input detected */ |
07b1747c | 567 | |
07b1747c VH |
568 | *std_id = decoder->std_list[current_std].standard.id; |
569 | ||
2db4e78f | 570 | v4l2_dbg(1, debug, sd, "Current STD: %s\n", |
07b1747c VH |
571 | decoder->std_list[current_std].standard.name); |
572 | return 0; | |
573 | } | |
574 | ||
c1c9d09c MK |
575 | /** |
576 | * tvp514x_s_std() - V4L2 decoder interface handler for s_std | |
62ef80a1 | 577 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
578 | * @std_id: standard V4L2 v4l2_std_id ioctl enum |
579 | * | |
580 | * If std_id is supported, sets the requested standard. Otherwise, returns | |
581 | * -EINVAL | |
582 | */ | |
62ef80a1 | 583 | static int tvp514x_s_std(struct v4l2_subdev *sd, v4l2_std_id std_id) |
07b1747c | 584 | { |
62ef80a1 | 585 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
586 | int err, i; |
587 | ||
07b1747c | 588 | for (i = 0; i < decoder->num_stds; i++) |
62ef80a1 | 589 | if (std_id & decoder->std_list[i].standard.id) |
07b1747c VH |
590 | break; |
591 | ||
592 | if ((i == decoder->num_stds) || (i == STD_INVALID)) | |
593 | return -EINVAL; | |
594 | ||
62ef80a1 | 595 | err = tvp514x_write_reg(sd, REG_VIDEO_STD, |
07b1747c VH |
596 | decoder->std_list[i].video_std); |
597 | if (err) | |
598 | return err; | |
599 | ||
600 | decoder->current_std = i; | |
6722e0ef SAS |
601 | decoder->tvp514x_regs[REG_VIDEO_STD].val = |
602 | decoder->std_list[i].video_std; | |
07b1747c | 603 | |
3907b072 | 604 | v4l2_dbg(1, debug, sd, "Standard set to: %s\n", |
07b1747c VH |
605 | decoder->std_list[i].standard.name); |
606 | return 0; | |
607 | } | |
608 | ||
c1c9d09c MK |
609 | /** |
610 | * tvp514x_s_routing() - V4L2 decoder interface handler for s_routing | |
62ef80a1 | 611 | * @sd: pointer to standard V4L2 sub-device structure |
c1c9d09c MK |
612 | * @input: input selector for routing the signal |
613 | * @output: output selector for routing the signal | |
614 | * @config: config value. Not used | |
07b1747c VH |
615 | * |
616 | * If index is valid, selects the requested input. Otherwise, returns -EINVAL if | |
617 | * the input is not supported or there is no active signal present in the | |
618 | * selected input. | |
619 | */ | |
62ef80a1 MK |
620 | static int tvp514x_s_routing(struct v4l2_subdev *sd, |
621 | u32 input, u32 output, u32 config) | |
07b1747c | 622 | { |
62ef80a1 | 623 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
624 | int err; |
625 | enum tvp514x_input input_sel; | |
626 | enum tvp514x_output output_sel; | |
07b1747c VH |
627 | u8 sync_lock_status, lock_mask; |
628 | int try_count = LOCK_RETRY_COUNT; | |
629 | ||
62ef80a1 MK |
630 | if ((input >= INPUT_INVALID) || |
631 | (output >= OUTPUT_INVALID)) | |
c1c9d09c MK |
632 | /* Index out of bound */ |
633 | return -EINVAL; | |
07b1747c | 634 | |
63b59cec VH |
635 | /* |
636 | * For the sequence streamon -> streamoff and again s_input | |
637 | * it fails to lock the signal, since streamoff puts TVP514x | |
638 | * into power off state which leads to failure in sub-sequent s_input. | |
639 | * | |
640 | * So power up the TVP514x device here, since it is important to lock | |
641 | * the signal at this stage. | |
642 | */ | |
643 | if (!decoder->streaming) | |
644 | tvp514x_s_stream(sd, 1); | |
645 | ||
62ef80a1 MK |
646 | input_sel = input; |
647 | output_sel = output; | |
07b1747c | 648 | |
62ef80a1 | 649 | err = tvp514x_write_reg(sd, REG_INPUT_SEL, input_sel); |
07b1747c VH |
650 | if (err) |
651 | return err; | |
652 | ||
62ef80a1 | 653 | output_sel |= tvp514x_read_reg(sd, |
07b1747c | 654 | REG_OUTPUT_FORMATTER1) & 0x7; |
62ef80a1 | 655 | err = tvp514x_write_reg(sd, REG_OUTPUT_FORMATTER1, |
07b1747c VH |
656 | output_sel); |
657 | if (err) | |
658 | return err; | |
659 | ||
6722e0ef SAS |
660 | decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel; |
661 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel; | |
07b1747c VH |
662 | |
663 | /* Clear status */ | |
664 | msleep(LOCK_RETRY_DELAY); | |
665 | err = | |
62ef80a1 | 666 | tvp514x_write_reg(sd, REG_CLEAR_LOST_LOCK, 0x01); |
07b1747c VH |
667 | if (err) |
668 | return err; | |
669 | ||
670 | switch (input_sel) { | |
671 | case INPUT_CVBS_VI1A: | |
672 | case INPUT_CVBS_VI1B: | |
673 | case INPUT_CVBS_VI1C: | |
674 | case INPUT_CVBS_VI2A: | |
675 | case INPUT_CVBS_VI2B: | |
676 | case INPUT_CVBS_VI2C: | |
677 | case INPUT_CVBS_VI3A: | |
678 | case INPUT_CVBS_VI3B: | |
679 | case INPUT_CVBS_VI3C: | |
680 | case INPUT_CVBS_VI4A: | |
681 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
682 | STATUS_HORZ_SYNC_LOCK_BIT | | |
683 | STATUS_VIRT_SYNC_LOCK_BIT; | |
684 | break; | |
685 | ||
686 | case INPUT_SVIDEO_VI2A_VI1A: | |
687 | case INPUT_SVIDEO_VI2B_VI1B: | |
688 | case INPUT_SVIDEO_VI2C_VI1C: | |
689 | case INPUT_SVIDEO_VI2A_VI3A: | |
690 | case INPUT_SVIDEO_VI2B_VI3B: | |
691 | case INPUT_SVIDEO_VI2C_VI3C: | |
692 | case INPUT_SVIDEO_VI4A_VI1A: | |
693 | case INPUT_SVIDEO_VI4A_VI1B: | |
694 | case INPUT_SVIDEO_VI4A_VI1C: | |
695 | case INPUT_SVIDEO_VI4A_VI3A: | |
696 | case INPUT_SVIDEO_VI4A_VI3B: | |
697 | case INPUT_SVIDEO_VI4A_VI3C: | |
698 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
699 | STATUS_VIRT_SYNC_LOCK_BIT; | |
700 | break; | |
c1c9d09c | 701 | /* Need to add other interfaces*/ |
07b1747c VH |
702 | default: |
703 | return -EINVAL; | |
704 | } | |
705 | ||
706 | while (try_count-- > 0) { | |
707 | /* Allow decoder to sync up with new input */ | |
708 | msleep(LOCK_RETRY_DELAY); | |
709 | ||
62ef80a1 | 710 | sync_lock_status = tvp514x_read_reg(sd, |
07b1747c VH |
711 | REG_STATUS1); |
712 | if (lock_mask == (sync_lock_status & lock_mask)) | |
c1c9d09c MK |
713 | /* Input detected */ |
714 | break; | |
07b1747c VH |
715 | } |
716 | ||
2db4e78f | 717 | if (try_count < 0) |
07b1747c VH |
718 | return -EINVAL; |
719 | ||
62ef80a1 MK |
720 | decoder->input = input; |
721 | decoder->output = output; | |
07b1747c | 722 | |
2db4e78f | 723 | v4l2_dbg(1, debug, sd, "Input set to: %d\n", input_sel); |
07b1747c VH |
724 | |
725 | return 0; | |
726 | } | |
727 | ||
c1c9d09c MK |
728 | /** |
729 | * tvp514x_s_ctrl() - V4L2 decoder interface handler for s_ctrl | |
cf6832af | 730 | * @ctrl: pointer to v4l2_ctrl structure |
07b1747c VH |
731 | * |
732 | * If the requested control is supported, sets the control's current | |
733 | * value in HW. Otherwise, returns -EINVAL if the control is not supported. | |
734 | */ | |
cf6832af | 735 | static int tvp514x_s_ctrl(struct v4l2_ctrl *ctrl) |
07b1747c | 736 | { |
cf6832af | 737 | struct v4l2_subdev *sd = to_sd(ctrl); |
62ef80a1 | 738 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
739 | int err = -EINVAL, value; |
740 | ||
cf6832af | 741 | value = ctrl->val; |
07b1747c VH |
742 | |
743 | switch (ctrl->id) { | |
744 | case V4L2_CID_BRIGHTNESS: | |
cf6832af HV |
745 | err = tvp514x_write_reg(sd, REG_BRIGHTNESS, value); |
746 | if (!err) | |
747 | decoder->tvp514x_regs[REG_BRIGHTNESS].val = value; | |
07b1747c VH |
748 | break; |
749 | case V4L2_CID_CONTRAST: | |
62ef80a1 | 750 | err = tvp514x_write_reg(sd, REG_CONTRAST, value); |
cf6832af HV |
751 | if (!err) |
752 | decoder->tvp514x_regs[REG_CONTRAST].val = value; | |
07b1747c VH |
753 | break; |
754 | case V4L2_CID_SATURATION: | |
62ef80a1 | 755 | err = tvp514x_write_reg(sd, REG_SATURATION, value); |
cf6832af HV |
756 | if (!err) |
757 | decoder->tvp514x_regs[REG_SATURATION].val = value; | |
07b1747c VH |
758 | break; |
759 | case V4L2_CID_HUE: | |
760 | if (value == 180) | |
761 | value = 0x7F; | |
762 | else if (value == -180) | |
763 | value = 0x80; | |
62ef80a1 | 764 | err = tvp514x_write_reg(sd, REG_HUE, value); |
cf6832af HV |
765 | if (!err) |
766 | decoder->tvp514x_regs[REG_HUE].val = value; | |
07b1747c VH |
767 | break; |
768 | case V4L2_CID_AUTOGAIN: | |
cf6832af HV |
769 | err = tvp514x_write_reg(sd, REG_AFE_GAIN_CTRL, value ? 0x0f : 0x0c); |
770 | if (!err) | |
771 | decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value; | |
07b1747c | 772 | break; |
07b1747c VH |
773 | } |
774 | ||
3907b072 | 775 | v4l2_dbg(1, debug, sd, "Set Control: ID - %d - %d\n", |
cf6832af | 776 | ctrl->id, ctrl->val); |
07b1747c VH |
777 | return err; |
778 | } | |
779 | ||
83811913 HV |
780 | /** |
781 | * tvp514x_enum_mbus_fmt() - V4L2 decoder interface handler for enum_mbus_fmt | |
782 | * @sd: pointer to standard V4L2 sub-device structure | |
783 | * @index: index of pixelcode to retrieve | |
784 | * @code: receives the pixelcode | |
785 | * | |
786 | * Enumerates supported mediabus formats | |
787 | */ | |
788 | static int | |
789 | tvp514x_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index, | |
790 | enum v4l2_mbus_pixelcode *code) | |
791 | { | |
792 | if (index) | |
793 | return -EINVAL; | |
794 | ||
795 | *code = V4L2_MBUS_FMT_YUYV10_2X10; | |
796 | return 0; | |
797 | } | |
798 | ||
83811913 HV |
799 | /** |
800 | * tvp514x_mbus_fmt_cap() - V4L2 decoder interface handler for try/s/g_mbus_fmt | |
801 | * @sd: pointer to standard V4L2 sub-device structure | |
802 | * @f: pointer to the mediabus format structure | |
803 | * | |
804 | * Negotiates the image capture size and mediabus format. | |
805 | */ | |
806 | static int | |
807 | tvp514x_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f) | |
808 | { | |
809 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
810 | enum tvp514x_std current_std; | |
811 | ||
812 | if (f == NULL) | |
813 | return -EINVAL; | |
814 | ||
815 | /* Calculate height and width based on current standard */ | |
816 | current_std = decoder->current_std; | |
817 | ||
818 | f->code = V4L2_MBUS_FMT_YUYV10_2X10; | |
819 | f->width = decoder->std_list[current_std].width; | |
820 | f->height = decoder->std_list[current_std].height; | |
821 | f->field = V4L2_FIELD_INTERLACED; | |
822 | f->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
823 | ||
824 | v4l2_dbg(1, debug, sd, "MBUS_FMT: Width - %d, Height - %d\n", | |
825 | f->width, f->height); | |
826 | return 0; | |
827 | } | |
828 | ||
c1c9d09c MK |
829 | /** |
830 | * tvp514x_g_parm() - V4L2 decoder interface handler for g_parm | |
62ef80a1 | 831 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
832 | * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure |
833 | * | |
834 | * Returns the decoder's video CAPTURE parameters. | |
835 | */ | |
836 | static int | |
62ef80a1 | 837 | tvp514x_g_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 838 | { |
62ef80a1 | 839 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
840 | struct v4l2_captureparm *cparm; |
841 | enum tvp514x_std current_std; | |
842 | ||
843 | if (a == NULL) | |
844 | return -EINVAL; | |
845 | ||
846 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
847 | /* only capture is supported */ |
848 | return -EINVAL; | |
07b1747c | 849 | |
07b1747c | 850 | /* get the current standard */ |
2db4e78f | 851 | current_std = decoder->current_std; |
07b1747c VH |
852 | |
853 | cparm = &a->parm.capture; | |
854 | cparm->capability = V4L2_CAP_TIMEPERFRAME; | |
855 | cparm->timeperframe = | |
856 | decoder->std_list[current_std].standard.frameperiod; | |
857 | ||
858 | return 0; | |
859 | } | |
860 | ||
c1c9d09c MK |
861 | /** |
862 | * tvp514x_s_parm() - V4L2 decoder interface handler for s_parm | |
62ef80a1 | 863 | * @sd: pointer to standard V4L2 sub-device structure |
07b1747c VH |
864 | * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure |
865 | * | |
866 | * Configures the decoder to use the input parameters, if possible. If | |
867 | * not possible, returns the appropriate error code. | |
868 | */ | |
869 | static int | |
62ef80a1 | 870 | tvp514x_s_parm(struct v4l2_subdev *sd, struct v4l2_streamparm *a) |
07b1747c | 871 | { |
62ef80a1 | 872 | struct tvp514x_decoder *decoder = to_decoder(sd); |
07b1747c VH |
873 | struct v4l2_fract *timeperframe; |
874 | enum tvp514x_std current_std; | |
875 | ||
876 | if (a == NULL) | |
877 | return -EINVAL; | |
878 | ||
879 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
c1c9d09c MK |
880 | /* only capture is supported */ |
881 | return -EINVAL; | |
07b1747c VH |
882 | |
883 | timeperframe = &a->parm.capture.timeperframe; | |
884 | ||
885 | /* get the current standard */ | |
2db4e78f | 886 | current_std = decoder->current_std; |
07b1747c VH |
887 | |
888 | *timeperframe = | |
889 | decoder->std_list[current_std].standard.frameperiod; | |
890 | ||
891 | return 0; | |
892 | } | |
893 | ||
c1c9d09c MK |
894 | /** |
895 | * tvp514x_s_stream() - V4L2 decoder i/f handler for s_stream | |
62ef80a1 MK |
896 | * @sd: pointer to standard V4L2 sub-device structure |
897 | * @enable: streaming enable or disable | |
07b1747c | 898 | * |
62ef80a1 | 899 | * Sets streaming to enable or disable, if possible. |
07b1747c | 900 | */ |
62ef80a1 | 901 | static int tvp514x_s_stream(struct v4l2_subdev *sd, int enable) |
07b1747c | 902 | { |
07b1747c | 903 | int err = 0; |
62ef80a1 MK |
904 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
905 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
07b1747c | 906 | |
62ef80a1 MK |
907 | if (decoder->streaming == enable) |
908 | return 0; | |
07b1747c | 909 | |
62ef80a1 MK |
910 | switch (enable) { |
911 | case 0: | |
912 | { | |
913 | /* Power Down Sequence */ | |
914 | err = tvp514x_write_reg(sd, REG_OPERATION_MODE, 0x01); | |
915 | if (err) { | |
916 | v4l2_err(sd, "Unable to turn off decoder\n"); | |
917 | return err; | |
918 | } | |
919 | decoder->streaming = enable; | |
07b1747c | 920 | break; |
62ef80a1 MK |
921 | } |
922 | case 1: | |
923 | { | |
924 | struct tvp514x_reg *int_seq = (struct tvp514x_reg *) | |
925 | client->driver->id_table->driver_data; | |
07b1747c | 926 | |
62ef80a1 MK |
927 | /* Power Up Sequence */ |
928 | err = tvp514x_write_regs(sd, int_seq); | |
929 | if (err) { | |
930 | v4l2_err(sd, "Unable to turn on decoder\n"); | |
931 | return err; | |
932 | } | |
933 | /* Detect if not already detected */ | |
934 | err = tvp514x_detect(sd, decoder); | |
935 | if (err) { | |
936 | v4l2_err(sd, "Unable to detect decoder\n"); | |
937 | return err; | |
07b1747c | 938 | } |
62ef80a1 MK |
939 | err = tvp514x_configure(sd, decoder); |
940 | if (err) { | |
941 | v4l2_err(sd, "Unable to configure decoder\n"); | |
942 | return err; | |
943 | } | |
944 | decoder->streaming = enable; | |
07b1747c | 945 | break; |
62ef80a1 | 946 | } |
07b1747c VH |
947 | default: |
948 | err = -ENODEV; | |
949 | break; | |
950 | } | |
951 | ||
952 | return err; | |
953 | } | |
954 | ||
cf6832af | 955 | static const struct v4l2_ctrl_ops tvp514x_ctrl_ops = { |
62ef80a1 | 956 | .s_ctrl = tvp514x_s_ctrl, |
cf6832af HV |
957 | }; |
958 | ||
959 | static const struct v4l2_subdev_core_ops tvp514x_core_ops = { | |
960 | .g_ext_ctrls = v4l2_subdev_g_ext_ctrls, | |
961 | .try_ext_ctrls = v4l2_subdev_try_ext_ctrls, | |
962 | .s_ext_ctrls = v4l2_subdev_s_ext_ctrls, | |
963 | .g_ctrl = v4l2_subdev_g_ctrl, | |
964 | .s_ctrl = v4l2_subdev_s_ctrl, | |
965 | .queryctrl = v4l2_subdev_queryctrl, | |
966 | .querymenu = v4l2_subdev_querymenu, | |
62ef80a1 MK |
967 | .s_std = tvp514x_s_std, |
968 | }; | |
07b1747c | 969 | |
62ef80a1 MK |
970 | static const struct v4l2_subdev_video_ops tvp514x_video_ops = { |
971 | .s_routing = tvp514x_s_routing, | |
972 | .querystd = tvp514x_querystd, | |
83811913 HV |
973 | .enum_mbus_fmt = tvp514x_enum_mbus_fmt, |
974 | .g_mbus_fmt = tvp514x_mbus_fmt, | |
975 | .try_mbus_fmt = tvp514x_mbus_fmt, | |
976 | .s_mbus_fmt = tvp514x_mbus_fmt, | |
62ef80a1 MK |
977 | .g_parm = tvp514x_g_parm, |
978 | .s_parm = tvp514x_s_parm, | |
979 | .s_stream = tvp514x_s_stream, | |
980 | }; | |
07b1747c | 981 | |
62ef80a1 MK |
982 | static const struct v4l2_subdev_ops tvp514x_ops = { |
983 | .core = &tvp514x_core_ops, | |
984 | .video = &tvp514x_video_ops, | |
07b1747c VH |
985 | }; |
986 | ||
07b1747c | 987 | static struct tvp514x_decoder tvp514x_dev = { |
62ef80a1 | 988 | .streaming = 0, |
07b1747c VH |
989 | .current_std = STD_NTSC_MJ, |
990 | .std_list = tvp514x_std_list, | |
991 | .num_stds = ARRAY_SIZE(tvp514x_std_list), | |
62ef80a1 | 992 | |
07b1747c VH |
993 | }; |
994 | ||
c1c9d09c MK |
995 | /** |
996 | * tvp514x_probe() - decoder driver i2c probe handler | |
07b1747c | 997 | * @client: i2c driver client device structure |
62ef80a1 | 998 | * @id: i2c driver id table |
07b1747c VH |
999 | * |
1000 | * Register decoder as an i2c client device and V4L2 | |
1001 | * device. | |
1002 | */ | |
1003 | static int | |
1004 | tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1005 | { | |
6722e0ef | 1006 | struct tvp514x_decoder *decoder; |
62ef80a1 | 1007 | struct v4l2_subdev *sd; |
07b1747c VH |
1008 | |
1009 | /* Check if the adapter supports the needed features */ | |
1010 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1011 | return -EIO; | |
1012 | ||
62ef80a1 MK |
1013 | if (!client->dev.platform_data) { |
1014 | v4l2_err(client, "No platform data!!\n"); | |
1015 | return -ENODEV; | |
1016 | } | |
1017 | ||
6722e0ef SAS |
1018 | decoder = kzalloc(sizeof(*decoder), GFP_KERNEL); |
1019 | if (!decoder) | |
1020 | return -ENOMEM; | |
1021 | ||
c1c9d09c | 1022 | /* Initialize the tvp514x_decoder with default configuration */ |
6722e0ef | 1023 | *decoder = tvp514x_dev; |
62ef80a1 | 1024 | /* Copy default register configuration */ |
6722e0ef SAS |
1025 | memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, |
1026 | sizeof(tvp514x_reg_list_default)); | |
62ef80a1 | 1027 | |
c1c9d09c | 1028 | /* Copy board specific information here */ |
62ef80a1 MK |
1029 | decoder->pdata = client->dev.platform_data; |
1030 | ||
c1c9d09c | 1031 | /** |
07b1747c VH |
1032 | * Fetch platform specific data, and configure the |
1033 | * tvp514x_reg_list[] accordingly. Since this is one | |
1034 | * time configuration, no need to preserve. | |
1035 | */ | |
6722e0ef | 1036 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= |
62ef80a1 | 1037 | (decoder->pdata->clk_polarity << 1); |
6722e0ef | 1038 | decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= |
62ef80a1 MK |
1039 | ((decoder->pdata->hs_polarity << 2) | |
1040 | (decoder->pdata->vs_polarity << 3)); | |
1041 | /* Set default standard to auto */ | |
1042 | decoder->tvp514x_regs[REG_VIDEO_STD].val = | |
1043 | VIDEO_STD_AUTO_SWITCH_BIT; | |
07b1747c VH |
1044 | |
1045 | /* Register with V4L2 layer as slave device */ | |
62ef80a1 MK |
1046 | sd = &decoder->sd; |
1047 | v4l2_i2c_subdev_init(sd, client, &tvp514x_ops); | |
1048 | ||
cf6832af HV |
1049 | v4l2_ctrl_handler_init(&decoder->hdl, 5); |
1050 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1051 | V4L2_CID_BRIGHTNESS, 0, 255, 1, 128); | |
1052 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1053 | V4L2_CID_CONTRAST, 0, 255, 1, 128); | |
1054 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1055 | V4L2_CID_SATURATION, 0, 255, 1, 128); | |
1056 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1057 | V4L2_CID_HUE, -180, 180, 180, 0); | |
1058 | v4l2_ctrl_new_std(&decoder->hdl, &tvp514x_ctrl_ops, | |
1059 | V4L2_CID_AUTOGAIN, 0, 1, 1, 1); | |
1060 | sd->ctrl_handler = &decoder->hdl; | |
1061 | if (decoder->hdl.error) { | |
1062 | int err = decoder->hdl.error; | |
1063 | ||
1064 | v4l2_ctrl_handler_free(&decoder->hdl); | |
1065 | kfree(decoder); | |
1066 | return err; | |
1067 | } | |
1068 | v4l2_ctrl_handler_setup(&decoder->hdl); | |
1069 | ||
62ef80a1 MK |
1070 | v4l2_info(sd, "%s decoder driver registered !!\n", sd->name); |
1071 | ||
07b1747c | 1072 | return 0; |
6722e0ef | 1073 | |
07b1747c VH |
1074 | } |
1075 | ||
c1c9d09c MK |
1076 | /** |
1077 | * tvp514x_remove() - decoder driver i2c remove handler | |
07b1747c VH |
1078 | * @client: i2c driver client device structure |
1079 | * | |
1080 | * Unregister decoder as an i2c client device and V4L2 | |
1081 | * device. Complement of tvp514x_probe(). | |
1082 | */ | |
62ef80a1 | 1083 | static int tvp514x_remove(struct i2c_client *client) |
07b1747c | 1084 | { |
62ef80a1 MK |
1085 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
1086 | struct tvp514x_decoder *decoder = to_decoder(sd); | |
07b1747c | 1087 | |
62ef80a1 | 1088 | v4l2_device_unregister_subdev(sd); |
cf6832af | 1089 | v4l2_ctrl_handler_free(&decoder->hdl); |
6722e0ef | 1090 | kfree(decoder); |
07b1747c VH |
1091 | return 0; |
1092 | } | |
c1c9d09c | 1093 | /* TVP5146 Init/Power on Sequence */ |
07b1747c VH |
1094 | static const struct tvp514x_reg tvp5146_init_reg_seq[] = { |
1095 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1096 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1097 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1098 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1099 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1100 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1101 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1102 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1103 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1104 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1105 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1106 | {TOK_TERM, 0, 0}, |
07b1747c | 1107 | }; |
62ef80a1 | 1108 | |
c1c9d09c | 1109 | /* TVP5147 Init/Power on Sequence */ |
07b1747c VH |
1110 | static const struct tvp514x_reg tvp5147_init_reg_seq[] = { |
1111 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1112 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1113 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1114 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1115 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1116 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1117 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1118 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1119 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, | |
1120 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1121 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, | |
1122 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, | |
1123 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1124 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1125 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1126 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1127 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1128 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1129 | {TOK_TERM, 0, 0}, |
07b1747c | 1130 | }; |
62ef80a1 | 1131 | |
c1c9d09c | 1132 | /* TVP5146M2/TVP5147M1 Init/Power on Sequence */ |
07b1747c VH |
1133 | static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { |
1134 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1135 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
62ef80a1 | 1136 | {TOK_TERM, 0, 0}, |
07b1747c | 1137 | }; |
62ef80a1 | 1138 | |
c1c9d09c | 1139 | /** |
07b1747c VH |
1140 | * I2C Device Table - |
1141 | * | |
1142 | * name - Name of the actual device/chip. | |
1143 | * driver_data - Driver data | |
1144 | */ | |
1145 | static const struct i2c_device_id tvp514x_id[] = { | |
62ef80a1 MK |
1146 | {"tvp5146", (unsigned long)tvp5146_init_reg_seq}, |
1147 | {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq}, | |
1148 | {"tvp5147", (unsigned long)tvp5147_init_reg_seq}, | |
1149 | {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq}, | |
07b1747c VH |
1150 | {}, |
1151 | }; | |
1152 | ||
1153 | MODULE_DEVICE_TABLE(i2c, tvp514x_id); | |
1154 | ||
62ef80a1 | 1155 | static struct i2c_driver tvp514x_driver = { |
07b1747c | 1156 | .driver = { |
62ef80a1 MK |
1157 | .owner = THIS_MODULE, |
1158 | .name = TVP514X_MODULE_NAME, | |
1159 | }, | |
07b1747c | 1160 | .probe = tvp514x_probe, |
62ef80a1 | 1161 | .remove = tvp514x_remove, |
07b1747c VH |
1162 | .id_table = tvp514x_id, |
1163 | }; | |
1164 | ||
07b1747c VH |
1165 | static int __init tvp514x_init(void) |
1166 | { | |
62ef80a1 | 1167 | return i2c_add_driver(&tvp514x_driver); |
07b1747c VH |
1168 | } |
1169 | ||
62ef80a1 | 1170 | static void __exit tvp514x_exit(void) |
07b1747c | 1171 | { |
62ef80a1 | 1172 | i2c_del_driver(&tvp514x_driver); |
07b1747c VH |
1173 | } |
1174 | ||
1175 | module_init(tvp514x_init); | |
62ef80a1 | 1176 | module_exit(tvp514x_exit); |