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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> | |
32 | #include <linux/delay.h> | |
33 | #include <linux/videodev2.h> | |
34 | #include <media/v4l2-int-device.h> | |
35 | #include <media/tvp514x.h> | |
36 | ||
37 | #include "tvp514x_regs.h" | |
38 | ||
39 | /* Module Name */ | |
40 | #define TVP514X_MODULE_NAME "tvp514x" | |
41 | ||
42 | /* Private macros for TVP */ | |
43 | #define I2C_RETRY_COUNT (5) | |
44 | #define LOCK_RETRY_COUNT (5) | |
45 | #define LOCK_RETRY_DELAY (200) | |
46 | ||
47 | /* Debug functions */ | |
48 | static int debug; | |
49 | module_param(debug, bool, 0644); | |
50 | MODULE_PARM_DESC(debug, "Debug level (0-1)"); | |
51 | ||
52 | #define dump_reg(client, reg, val) \ | |
53 | do { \ | |
54 | val = tvp514x_read_reg(client, reg); \ | |
55 | v4l_info(client, "Reg(0x%.2X): 0x%.2X\n", reg, val); \ | |
56 | } while (0) | |
57 | ||
58 | /** | |
59 | * enum tvp514x_std - enum for supported standards | |
60 | */ | |
61 | enum tvp514x_std { | |
62 | STD_NTSC_MJ = 0, | |
63 | STD_PAL_BDGHIN, | |
64 | STD_INVALID | |
65 | }; | |
66 | ||
67 | /** | |
68 | * enum tvp514x_state - enum for different decoder states | |
69 | */ | |
70 | enum tvp514x_state { | |
71 | STATE_NOT_DETECTED, | |
72 | STATE_DETECTED | |
73 | }; | |
74 | ||
75 | /** | |
76 | * struct tvp514x_std_info - Structure to store standard informations | |
77 | * @width: Line width in pixels | |
78 | * @height:Number of active lines | |
79 | * @video_std: Value to write in REG_VIDEO_STD register | |
80 | * @standard: v4l2 standard structure information | |
81 | */ | |
82 | struct tvp514x_std_info { | |
83 | unsigned long width; | |
84 | unsigned long height; | |
85 | u8 video_std; | |
86 | struct v4l2_standard standard; | |
87 | }; | |
88 | ||
89 | /** | |
90 | * struct tvp514x_decoded - TVP5146/47 decoder object | |
91 | * @v4l2_int_device: Slave handle | |
92 | * @pdata: Board specific | |
93 | * @client: I2C client data | |
94 | * @id: Entry from I2C table | |
95 | * @ver: Chip version | |
96 | * @state: TVP5146/47 decoder state - detected or not-detected | |
97 | * @pix: Current pixel format | |
98 | * @num_fmts: Number of formats | |
99 | * @fmt_list: Format list | |
100 | * @current_std: Current standard | |
101 | * @num_stds: Number of standards | |
102 | * @std_list: Standards list | |
103 | * @route: input and output routing at chip level | |
104 | */ | |
105 | struct tvp514x_decoder { | |
106 | struct v4l2_int_device *v4l2_int_device; | |
107 | const struct tvp514x_platform_data *pdata; | |
108 | struct i2c_client *client; | |
109 | ||
110 | struct i2c_device_id *id; | |
111 | ||
112 | int ver; | |
113 | enum tvp514x_state state; | |
114 | ||
115 | struct v4l2_pix_format pix; | |
116 | int num_fmts; | |
117 | const struct v4l2_fmtdesc *fmt_list; | |
118 | ||
119 | enum tvp514x_std current_std; | |
120 | int num_stds; | |
121 | struct tvp514x_std_info *std_list; | |
122 | ||
123 | struct v4l2_routing route; | |
124 | }; | |
125 | ||
126 | /* TVP514x default register values */ | |
127 | static struct tvp514x_reg tvp514x_reg_list[] = { | |
128 | {TOK_WRITE, REG_INPUT_SEL, 0x05}, /* Composite selected */ | |
129 | {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, | |
130 | {TOK_WRITE, REG_VIDEO_STD, 0x00}, /* Auto mode */ | |
131 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
132 | {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, | |
133 | {TOK_WRITE, REG_COLOR_KILLER, 0x10}, | |
134 | {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, | |
135 | {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, | |
136 | {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, | |
137 | {TOK_WRITE, REG_BRIGHTNESS, 0x80}, | |
138 | {TOK_WRITE, REG_CONTRAST, 0x80}, | |
139 | {TOK_WRITE, REG_SATURATION, 0x80}, | |
140 | {TOK_WRITE, REG_HUE, 0x00}, | |
141 | {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, | |
142 | {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, | |
143 | {TOK_SKIP, 0x0F, 0x00}, /* Reserved */ | |
144 | {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, | |
145 | {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, | |
146 | {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, | |
147 | {TOK_SKIP, 0x13, 0x00}, /* Reserved */ | |
148 | {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, | |
149 | {TOK_SKIP, 0x15, 0x00}, /* Reserved */ | |
150 | {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, /* NTSC timing */ | |
151 | {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, | |
152 | {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, | |
153 | {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, | |
154 | {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, /* NTSC timing */ | |
155 | {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, | |
156 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, | |
157 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, | |
158 | {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, /* NTSC timing */ | |
159 | {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, | |
160 | {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, | |
161 | {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, | |
162 | {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, /* NTSC timing */ | |
163 | {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, | |
164 | {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, | |
165 | {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, | |
166 | {TOK_SKIP, 0x26, 0x00}, /* Reserved */ | |
167 | {TOK_SKIP, 0x27, 0x00}, /* Reserved */ | |
168 | {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, | |
169 | {TOK_SKIP, 0x29, 0x00}, /* Reserved */ | |
170 | {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, | |
171 | {TOK_SKIP, 0x2B, 0x00}, /* Reserved */ | |
172 | {TOK_SKIP, REG_SCART_DELAY, 0x00}, | |
173 | {TOK_SKIP, REG_CTI_DELAY, 0x00}, | |
174 | {TOK_SKIP, REG_CTI_CONTROL, 0x00}, | |
175 | {TOK_SKIP, 0x2F, 0x00}, /* Reserved */ | |
176 | {TOK_SKIP, 0x30, 0x00}, /* Reserved */ | |
177 | {TOK_SKIP, 0x31, 0x00}, /* Reserved */ | |
178 | {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, /* HS, VS active high */ | |
179 | {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, /* 10-bit BT.656 */ | |
180 | {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, /* Enable clk & data */ | |
181 | {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, /* Enable AVID & FLD */ | |
182 | {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, /* Enable VS & HS */ | |
183 | {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, | |
184 | {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, | |
185 | {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, /* Clear status */ | |
186 | {TOK_TERM, 0, 0}, | |
187 | }; | |
188 | ||
189 | /* List of image formats supported by TVP5146/47 decoder | |
190 | * Currently we are using 8 bit mode only, but can be | |
191 | * extended to 10/20 bit mode. | |
192 | */ | |
193 | static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { | |
194 | { | |
195 | .index = 0, | |
196 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
197 | .flags = 0, | |
198 | .description = "8-bit UYVY 4:2:2 Format", | |
199 | .pixelformat = V4L2_PIX_FMT_UYVY, | |
200 | }, | |
201 | }; | |
202 | ||
203 | /* | |
204 | * Supported standards - | |
205 | * | |
206 | * Currently supports two standards only, need to add support for rest of the | |
207 | * modes, like SECAM, etc... | |
208 | */ | |
209 | static struct tvp514x_std_info tvp514x_std_list[] = { | |
210 | /* Standard: STD_NTSC_MJ */ | |
211 | [STD_NTSC_MJ] = { | |
212 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
213 | .height = NTSC_NUM_ACTIVE_LINES, | |
214 | .video_std = VIDEO_STD_NTSC_MJ_BIT, | |
215 | .standard = { | |
216 | .index = 0, | |
217 | .id = V4L2_STD_NTSC, | |
218 | .name = "NTSC", | |
219 | .frameperiod = {1001, 30000}, | |
220 | .framelines = 525 | |
221 | }, | |
222 | /* Standard: STD_PAL_BDGHIN */ | |
223 | }, | |
224 | [STD_PAL_BDGHIN] = { | |
225 | .width = PAL_NUM_ACTIVE_PIXELS, | |
226 | .height = PAL_NUM_ACTIVE_LINES, | |
227 | .video_std = VIDEO_STD_PAL_BDGHIN_BIT, | |
228 | .standard = { | |
229 | .index = 1, | |
230 | .id = V4L2_STD_PAL, | |
231 | .name = "PAL", | |
232 | .frameperiod = {1, 25}, | |
233 | .framelines = 625 | |
234 | }, | |
235 | }, | |
236 | /* Standard: need to add for additional standard */ | |
237 | }; | |
238 | /* | |
239 | * Control structure for Auto Gain | |
240 | * This is temporary data, will get replaced once | |
241 | * v4l2_ctrl_query_fill supports it. | |
242 | */ | |
243 | static const struct v4l2_queryctrl tvp514x_autogain_ctrl = { | |
244 | .id = V4L2_CID_AUTOGAIN, | |
245 | .name = "Gain, Automatic", | |
246 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
247 | .minimum = 0, | |
248 | .maximum = 1, | |
249 | .step = 1, | |
250 | .default_value = 1, | |
251 | }; | |
252 | ||
253 | /* | |
254 | * Read a value from a register in an TVP5146/47 decoder device. | |
255 | * Returns value read if successful, or non-zero (-1) otherwise. | |
256 | */ | |
257 | static int tvp514x_read_reg(struct i2c_client *client, u8 reg) | |
258 | { | |
259 | int err; | |
260 | int retry = 0; | |
261 | read_again: | |
262 | ||
263 | err = i2c_smbus_read_byte_data(client, reg); | |
264 | if (err == -1) { | |
265 | if (retry <= I2C_RETRY_COUNT) { | |
266 | v4l_warn(client, "Read: retry ... %d\n", retry); | |
267 | retry++; | |
268 | msleep_interruptible(10); | |
269 | goto read_again; | |
270 | } | |
271 | } | |
272 | ||
273 | return err; | |
274 | } | |
275 | ||
276 | /* | |
277 | * Write a value to a register in an TVP5146/47 decoder device. | |
278 | * Returns zero if successful, or non-zero otherwise. | |
279 | */ | |
280 | static int tvp514x_write_reg(struct i2c_client *client, u8 reg, u8 val) | |
281 | { | |
282 | int err; | |
283 | int retry = 0; | |
284 | write_again: | |
285 | ||
286 | err = i2c_smbus_write_byte_data(client, reg, val); | |
287 | if (err) { | |
288 | if (retry <= I2C_RETRY_COUNT) { | |
289 | v4l_warn(client, "Write: retry ... %d\n", retry); | |
290 | retry++; | |
291 | msleep_interruptible(10); | |
292 | goto write_again; | |
293 | } | |
294 | } | |
295 | ||
296 | return err; | |
297 | } | |
298 | ||
299 | /* | |
300 | * tvp514x_write_regs : Initializes a list of TVP5146/47 registers | |
301 | * if token is TOK_TERM, then entire write operation terminates | |
302 | * if token is TOK_DELAY, then a delay of 'val' msec is introduced | |
303 | * if token is TOK_SKIP, then the register write is skipped | |
304 | * if token is TOK_WRITE, then the register write is performed | |
305 | * | |
306 | * reglist - list of registers to be written | |
307 | * Returns zero if successful, or non-zero otherwise. | |
308 | */ | |
309 | static int tvp514x_write_regs(struct i2c_client *client, | |
310 | const struct tvp514x_reg reglist[]) | |
311 | { | |
312 | int err; | |
313 | const struct tvp514x_reg *next = reglist; | |
314 | ||
315 | for (; next->token != TOK_TERM; next++) { | |
316 | if (next->token == TOK_DELAY) { | |
317 | msleep(next->val); | |
318 | continue; | |
319 | } | |
320 | ||
321 | if (next->token == TOK_SKIP) | |
322 | continue; | |
323 | ||
324 | err = tvp514x_write_reg(client, next->reg, (u8) next->val); | |
325 | if (err) { | |
326 | v4l_err(client, "Write failed. Err[%d]\n", err); | |
327 | return err; | |
328 | } | |
329 | } | |
330 | return 0; | |
331 | } | |
332 | ||
333 | /* | |
334 | * tvp514x_get_current_std: | |
335 | * Returns the current standard detected by TVP5146/47 | |
336 | */ | |
337 | static enum tvp514x_std tvp514x_get_current_std(struct tvp514x_decoder | |
338 | *decoder) | |
339 | { | |
340 | u8 std, std_status; | |
341 | ||
342 | std = tvp514x_read_reg(decoder->client, REG_VIDEO_STD); | |
343 | if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) { | |
344 | /* use the standard status register */ | |
345 | std_status = tvp514x_read_reg(decoder->client, | |
346 | REG_VIDEO_STD_STATUS); | |
347 | } else | |
348 | std_status = std; /* use the standard register itself */ | |
349 | ||
350 | switch (std_status & VIDEO_STD_MASK) { | |
351 | case VIDEO_STD_NTSC_MJ_BIT: | |
352 | return STD_NTSC_MJ; | |
353 | ||
354 | case VIDEO_STD_PAL_BDGHIN_BIT: | |
355 | return STD_PAL_BDGHIN; | |
356 | ||
357 | default: | |
358 | return STD_INVALID; | |
359 | } | |
360 | ||
361 | return STD_INVALID; | |
362 | } | |
363 | ||
364 | /* | |
365 | * TVP5146/47 register dump function | |
366 | */ | |
367 | static void tvp514x_reg_dump(struct tvp514x_decoder *decoder) | |
368 | { | |
369 | u8 value; | |
370 | ||
371 | dump_reg(decoder->client, REG_INPUT_SEL, value); | |
372 | dump_reg(decoder->client, REG_AFE_GAIN_CTRL, value); | |
373 | dump_reg(decoder->client, REG_VIDEO_STD, value); | |
374 | dump_reg(decoder->client, REG_OPERATION_MODE, value); | |
375 | dump_reg(decoder->client, REG_COLOR_KILLER, value); | |
376 | dump_reg(decoder->client, REG_LUMA_CONTROL1, value); | |
377 | dump_reg(decoder->client, REG_LUMA_CONTROL2, value); | |
378 | dump_reg(decoder->client, REG_LUMA_CONTROL3, value); | |
379 | dump_reg(decoder->client, REG_BRIGHTNESS, value); | |
380 | dump_reg(decoder->client, REG_CONTRAST, value); | |
381 | dump_reg(decoder->client, REG_SATURATION, value); | |
382 | dump_reg(decoder->client, REG_HUE, value); | |
383 | dump_reg(decoder->client, REG_CHROMA_CONTROL1, value); | |
384 | dump_reg(decoder->client, REG_CHROMA_CONTROL2, value); | |
385 | dump_reg(decoder->client, REG_COMP_PR_SATURATION, value); | |
386 | dump_reg(decoder->client, REG_COMP_Y_CONTRAST, value); | |
387 | dump_reg(decoder->client, REG_COMP_PB_SATURATION, value); | |
388 | dump_reg(decoder->client, REG_COMP_Y_BRIGHTNESS, value); | |
389 | dump_reg(decoder->client, REG_AVID_START_PIXEL_LSB, value); | |
390 | dump_reg(decoder->client, REG_AVID_START_PIXEL_MSB, value); | |
391 | dump_reg(decoder->client, REG_AVID_STOP_PIXEL_LSB, value); | |
392 | dump_reg(decoder->client, REG_AVID_STOP_PIXEL_MSB, value); | |
393 | dump_reg(decoder->client, REG_HSYNC_START_PIXEL_LSB, value); | |
394 | dump_reg(decoder->client, REG_HSYNC_START_PIXEL_MSB, value); | |
395 | dump_reg(decoder->client, REG_HSYNC_STOP_PIXEL_LSB, value); | |
396 | dump_reg(decoder->client, REG_HSYNC_STOP_PIXEL_MSB, value); | |
397 | dump_reg(decoder->client, REG_VSYNC_START_LINE_LSB, value); | |
398 | dump_reg(decoder->client, REG_VSYNC_START_LINE_MSB, value); | |
399 | dump_reg(decoder->client, REG_VSYNC_STOP_LINE_LSB, value); | |
400 | dump_reg(decoder->client, REG_VSYNC_STOP_LINE_MSB, value); | |
401 | dump_reg(decoder->client, REG_VBLK_START_LINE_LSB, value); | |
402 | dump_reg(decoder->client, REG_VBLK_START_LINE_MSB, value); | |
403 | dump_reg(decoder->client, REG_VBLK_STOP_LINE_LSB, value); | |
404 | dump_reg(decoder->client, REG_VBLK_STOP_LINE_MSB, value); | |
405 | dump_reg(decoder->client, REG_SYNC_CONTROL, value); | |
406 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER1, value); | |
407 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER2, value); | |
408 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER3, value); | |
409 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER4, value); | |
410 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER5, value); | |
411 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER6, value); | |
412 | dump_reg(decoder->client, REG_CLEAR_LOST_LOCK, value); | |
413 | } | |
414 | ||
415 | /* | |
416 | * Configure the TVP5146/47 with the current register settings | |
417 | * Returns zero if successful, or non-zero otherwise. | |
418 | */ | |
419 | static int tvp514x_configure(struct tvp514x_decoder *decoder) | |
420 | { | |
421 | int err; | |
422 | ||
423 | /* common register initialization */ | |
424 | err = | |
425 | tvp514x_write_regs(decoder->client, tvp514x_reg_list); | |
426 | if (err) | |
427 | return err; | |
428 | ||
429 | if (debug) | |
430 | tvp514x_reg_dump(decoder); | |
431 | ||
432 | return 0; | |
433 | } | |
434 | ||
435 | /* | |
436 | * Detect if an tvp514x is present, and if so which revision. | |
437 | * A device is considered to be detected if the chip ID (LSB and MSB) | |
438 | * registers match the expected values. | |
439 | * Any value of the rom version register is accepted. | |
440 | * Returns ENODEV error number if no device is detected, or zero | |
441 | * if a device is detected. | |
442 | */ | |
443 | static int tvp514x_detect(struct tvp514x_decoder *decoder) | |
444 | { | |
445 | u8 chip_id_msb, chip_id_lsb, rom_ver; | |
446 | ||
447 | chip_id_msb = tvp514x_read_reg(decoder->client, REG_CHIP_ID_MSB); | |
448 | chip_id_lsb = tvp514x_read_reg(decoder->client, REG_CHIP_ID_LSB); | |
449 | rom_ver = tvp514x_read_reg(decoder->client, REG_ROM_VERSION); | |
450 | ||
451 | v4l_dbg(1, debug, decoder->client, | |
452 | "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", | |
453 | chip_id_msb, chip_id_lsb, rom_ver); | |
454 | if ((chip_id_msb != TVP514X_CHIP_ID_MSB) | |
455 | || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) | |
456 | && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { | |
457 | /* We didn't read the values we expected, so this must not be | |
458 | * an TVP5146/47. | |
459 | */ | |
460 | v4l_err(decoder->client, | |
461 | "chip id mismatch msb:0x%x lsb:0x%x\n", | |
462 | chip_id_msb, chip_id_lsb); | |
463 | return -ENODEV; | |
464 | } | |
465 | ||
466 | decoder->ver = rom_ver; | |
467 | decoder->state = STATE_DETECTED; | |
468 | ||
469 | v4l_info(decoder->client, | |
470 | "%s found at 0x%x (%s)\n", decoder->client->name, | |
471 | decoder->client->addr << 1, | |
472 | decoder->client->adapter->name); | |
473 | return 0; | |
474 | } | |
475 | ||
476 | /* | |
477 | * Following are decoder interface functions implemented by | |
478 | * TVP5146/47 decoder driver. | |
479 | */ | |
480 | ||
481 | /** | |
482 | * ioctl_querystd - V4L2 decoder interface handler for VIDIOC_QUERYSTD ioctl | |
483 | * @s: pointer to standard V4L2 device structure | |
484 | * @std_id: standard V4L2 std_id ioctl enum | |
485 | * | |
486 | * Returns the current standard detected by TVP5146/47. If no active input is | |
487 | * detected, returns -EINVAL | |
488 | */ | |
489 | static int ioctl_querystd(struct v4l2_int_device *s, v4l2_std_id *std_id) | |
490 | { | |
491 | struct tvp514x_decoder *decoder = s->priv; | |
492 | enum tvp514x_std current_std; | |
493 | enum tvp514x_input input_sel; | |
494 | u8 sync_lock_status, lock_mask; | |
495 | ||
496 | if (std_id == NULL) | |
497 | return -EINVAL; | |
498 | ||
499 | /* get the current standard */ | |
500 | current_std = tvp514x_get_current_std(decoder); | |
501 | if (current_std == STD_INVALID) | |
502 | return -EINVAL; | |
503 | ||
504 | input_sel = decoder->route.input; | |
505 | ||
506 | switch (input_sel) { | |
507 | case INPUT_CVBS_VI1A: | |
508 | case INPUT_CVBS_VI1B: | |
509 | case INPUT_CVBS_VI1C: | |
510 | case INPUT_CVBS_VI2A: | |
511 | case INPUT_CVBS_VI2B: | |
512 | case INPUT_CVBS_VI2C: | |
513 | case INPUT_CVBS_VI3A: | |
514 | case INPUT_CVBS_VI3B: | |
515 | case INPUT_CVBS_VI3C: | |
516 | case INPUT_CVBS_VI4A: | |
517 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
518 | STATUS_HORZ_SYNC_LOCK_BIT | | |
519 | STATUS_VIRT_SYNC_LOCK_BIT; | |
520 | break; | |
521 | ||
522 | case INPUT_SVIDEO_VI2A_VI1A: | |
523 | case INPUT_SVIDEO_VI2B_VI1B: | |
524 | case INPUT_SVIDEO_VI2C_VI1C: | |
525 | case INPUT_SVIDEO_VI2A_VI3A: | |
526 | case INPUT_SVIDEO_VI2B_VI3B: | |
527 | case INPUT_SVIDEO_VI2C_VI3C: | |
528 | case INPUT_SVIDEO_VI4A_VI1A: | |
529 | case INPUT_SVIDEO_VI4A_VI1B: | |
530 | case INPUT_SVIDEO_VI4A_VI1C: | |
531 | case INPUT_SVIDEO_VI4A_VI3A: | |
532 | case INPUT_SVIDEO_VI4A_VI3B: | |
533 | case INPUT_SVIDEO_VI4A_VI3C: | |
534 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
535 | STATUS_VIRT_SYNC_LOCK_BIT; | |
536 | break; | |
537 | /*Need to add other interfaces*/ | |
538 | default: | |
539 | return -EINVAL; | |
540 | } | |
541 | /* check whether signal is locked */ | |
542 | sync_lock_status = tvp514x_read_reg(decoder->client, REG_STATUS1); | |
543 | if (lock_mask != (sync_lock_status & lock_mask)) | |
544 | return -EINVAL; /* No input detected */ | |
545 | ||
546 | decoder->current_std = current_std; | |
547 | *std_id = decoder->std_list[current_std].standard.id; | |
548 | ||
549 | v4l_dbg(1, debug, decoder->client, "Current STD: %s", | |
550 | decoder->std_list[current_std].standard.name); | |
551 | return 0; | |
552 | } | |
553 | ||
554 | /** | |
555 | * ioctl_s_std - V4L2 decoder interface handler for VIDIOC_S_STD ioctl | |
556 | * @s: pointer to standard V4L2 device structure | |
557 | * @std_id: standard V4L2 v4l2_std_id ioctl enum | |
558 | * | |
559 | * If std_id is supported, sets the requested standard. Otherwise, returns | |
560 | * -EINVAL | |
561 | */ | |
562 | static int ioctl_s_std(struct v4l2_int_device *s, v4l2_std_id *std_id) | |
563 | { | |
564 | struct tvp514x_decoder *decoder = s->priv; | |
565 | int err, i; | |
566 | ||
567 | if (std_id == NULL) | |
568 | return -EINVAL; | |
569 | ||
570 | for (i = 0; i < decoder->num_stds; i++) | |
571 | if (*std_id & decoder->std_list[i].standard.id) | |
572 | break; | |
573 | ||
574 | if ((i == decoder->num_stds) || (i == STD_INVALID)) | |
575 | return -EINVAL; | |
576 | ||
577 | err = tvp514x_write_reg(decoder->client, REG_VIDEO_STD, | |
578 | decoder->std_list[i].video_std); | |
579 | if (err) | |
580 | return err; | |
581 | ||
582 | decoder->current_std = i; | |
583 | tvp514x_reg_list[REG_VIDEO_STD].val = decoder->std_list[i].video_std; | |
584 | ||
585 | v4l_dbg(1, debug, decoder->client, "Standard set to: %s", | |
586 | decoder->std_list[i].standard.name); | |
587 | return 0; | |
588 | } | |
589 | ||
590 | /** | |
591 | * ioctl_s_routing - V4L2 decoder interface handler for VIDIOC_S_INPUT ioctl | |
592 | * @s: pointer to standard V4L2 device structure | |
593 | * @index: number of the input | |
594 | * | |
595 | * If index is valid, selects the requested input. Otherwise, returns -EINVAL if | |
596 | * the input is not supported or there is no active signal present in the | |
597 | * selected input. | |
598 | */ | |
599 | static int ioctl_s_routing(struct v4l2_int_device *s, | |
600 | struct v4l2_routing *route) | |
601 | { | |
602 | struct tvp514x_decoder *decoder = s->priv; | |
603 | int err; | |
604 | enum tvp514x_input input_sel; | |
605 | enum tvp514x_output output_sel; | |
606 | enum tvp514x_std current_std = STD_INVALID; | |
607 | u8 sync_lock_status, lock_mask; | |
608 | int try_count = LOCK_RETRY_COUNT; | |
609 | ||
610 | if ((!route) || (route->input >= INPUT_INVALID) || | |
611 | (route->output >= OUTPUT_INVALID)) | |
612 | return -EINVAL; /* Index out of bound */ | |
613 | ||
614 | input_sel = route->input; | |
615 | output_sel = route->output; | |
616 | ||
617 | err = tvp514x_write_reg(decoder->client, REG_INPUT_SEL, input_sel); | |
618 | if (err) | |
619 | return err; | |
620 | ||
621 | output_sel |= tvp514x_read_reg(decoder->client, | |
622 | REG_OUTPUT_FORMATTER1) & 0x7; | |
623 | err = tvp514x_write_reg(decoder->client, REG_OUTPUT_FORMATTER1, | |
624 | output_sel); | |
625 | if (err) | |
626 | return err; | |
627 | ||
628 | tvp514x_reg_list[REG_INPUT_SEL].val = input_sel; | |
629 | tvp514x_reg_list[REG_OUTPUT_FORMATTER1].val = output_sel; | |
630 | ||
631 | /* Clear status */ | |
632 | msleep(LOCK_RETRY_DELAY); | |
633 | err = | |
634 | tvp514x_write_reg(decoder->client, REG_CLEAR_LOST_LOCK, 0x01); | |
635 | if (err) | |
636 | return err; | |
637 | ||
638 | switch (input_sel) { | |
639 | case INPUT_CVBS_VI1A: | |
640 | case INPUT_CVBS_VI1B: | |
641 | case INPUT_CVBS_VI1C: | |
642 | case INPUT_CVBS_VI2A: | |
643 | case INPUT_CVBS_VI2B: | |
644 | case INPUT_CVBS_VI2C: | |
645 | case INPUT_CVBS_VI3A: | |
646 | case INPUT_CVBS_VI3B: | |
647 | case INPUT_CVBS_VI3C: | |
648 | case INPUT_CVBS_VI4A: | |
649 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | | |
650 | STATUS_HORZ_SYNC_LOCK_BIT | | |
651 | STATUS_VIRT_SYNC_LOCK_BIT; | |
652 | break; | |
653 | ||
654 | case INPUT_SVIDEO_VI2A_VI1A: | |
655 | case INPUT_SVIDEO_VI2B_VI1B: | |
656 | case INPUT_SVIDEO_VI2C_VI1C: | |
657 | case INPUT_SVIDEO_VI2A_VI3A: | |
658 | case INPUT_SVIDEO_VI2B_VI3B: | |
659 | case INPUT_SVIDEO_VI2C_VI3C: | |
660 | case INPUT_SVIDEO_VI4A_VI1A: | |
661 | case INPUT_SVIDEO_VI4A_VI1B: | |
662 | case INPUT_SVIDEO_VI4A_VI1C: | |
663 | case INPUT_SVIDEO_VI4A_VI3A: | |
664 | case INPUT_SVIDEO_VI4A_VI3B: | |
665 | case INPUT_SVIDEO_VI4A_VI3C: | |
666 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | | |
667 | STATUS_VIRT_SYNC_LOCK_BIT; | |
668 | break; | |
669 | /*Need to add other interfaces*/ | |
670 | default: | |
671 | return -EINVAL; | |
672 | } | |
673 | ||
674 | while (try_count-- > 0) { | |
675 | /* Allow decoder to sync up with new input */ | |
676 | msleep(LOCK_RETRY_DELAY); | |
677 | ||
678 | /* get the current standard for future reference */ | |
679 | current_std = tvp514x_get_current_std(decoder); | |
680 | if (current_std == STD_INVALID) | |
681 | continue; | |
682 | ||
683 | sync_lock_status = tvp514x_read_reg(decoder->client, | |
684 | REG_STATUS1); | |
685 | if (lock_mask == (sync_lock_status & lock_mask)) | |
686 | break; /* Input detected */ | |
687 | } | |
688 | ||
689 | if ((current_std == STD_INVALID) || (try_count < 0)) | |
690 | return -EINVAL; | |
691 | ||
692 | decoder->current_std = current_std; | |
693 | decoder->route.input = route->input; | |
694 | decoder->route.output = route->output; | |
695 | ||
696 | v4l_dbg(1, debug, decoder->client, | |
697 | "Input set to: %d, std : %d", | |
698 | input_sel, current_std); | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
703 | /** | |
704 | * ioctl_queryctrl - V4L2 decoder interface handler for VIDIOC_QUERYCTRL ioctl | |
705 | * @s: pointer to standard V4L2 device structure | |
706 | * @qctrl: standard V4L2 v4l2_queryctrl structure | |
707 | * | |
708 | * If the requested control is supported, returns the control information. | |
709 | * Otherwise, returns -EINVAL if the control is not supported. | |
710 | */ | |
711 | static int | |
712 | ioctl_queryctrl(struct v4l2_int_device *s, struct v4l2_queryctrl *qctrl) | |
713 | { | |
714 | struct tvp514x_decoder *decoder = s->priv; | |
715 | int err = -EINVAL; | |
716 | ||
717 | if (qctrl == NULL) | |
718 | return err; | |
719 | ||
720 | switch (qctrl->id) { | |
721 | case V4L2_CID_BRIGHTNESS: | |
722 | /* Brightness supported is same as standard one (0-255), | |
723 | * so make use of standard API provided. | |
724 | */ | |
725 | err = v4l2_ctrl_query_fill_std(qctrl); | |
726 | break; | |
727 | case V4L2_CID_CONTRAST: | |
728 | case V4L2_CID_SATURATION: | |
729 | /* Saturation and Contrast supported is - | |
730 | * Contrast: 0 - 255 (Default - 128) | |
731 | * Saturation: 0 - 255 (Default - 128) | |
732 | */ | |
733 | err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); | |
734 | break; | |
735 | case V4L2_CID_HUE: | |
736 | /* Hue Supported is - | |
737 | * Hue - -180 - +180 (Default - 0, Step - +180) | |
738 | */ | |
739 | err = v4l2_ctrl_query_fill(qctrl, -180, 180, 180, 0); | |
740 | break; | |
741 | case V4L2_CID_AUTOGAIN: | |
742 | /* Autogain is either 0 or 1*/ | |
743 | memcpy(qctrl, &tvp514x_autogain_ctrl, | |
744 | sizeof(struct v4l2_queryctrl)); | |
745 | err = 0; | |
746 | break; | |
747 | default: | |
748 | v4l_err(decoder->client, | |
749 | "invalid control id %d\n", qctrl->id); | |
750 | return err; | |
751 | } | |
752 | ||
753 | v4l_dbg(1, debug, decoder->client, | |
754 | "Query Control: %s : Min - %d, Max - %d, Def - %d", | |
755 | qctrl->name, | |
756 | qctrl->minimum, | |
757 | qctrl->maximum, | |
758 | qctrl->default_value); | |
759 | ||
760 | return err; | |
761 | } | |
762 | ||
763 | /** | |
764 | * ioctl_g_ctrl - V4L2 decoder interface handler for VIDIOC_G_CTRL ioctl | |
765 | * @s: pointer to standard V4L2 device structure | |
766 | * @ctrl: pointer to v4l2_control structure | |
767 | * | |
768 | * If the requested control is supported, returns the control's current | |
769 | * value from the decoder. Otherwise, returns -EINVAL if the control is not | |
770 | * supported. | |
771 | */ | |
772 | static int | |
773 | ioctl_g_ctrl(struct v4l2_int_device *s, struct v4l2_control *ctrl) | |
774 | { | |
775 | struct tvp514x_decoder *decoder = s->priv; | |
776 | ||
777 | if (ctrl == NULL) | |
778 | return -EINVAL; | |
779 | ||
780 | switch (ctrl->id) { | |
781 | case V4L2_CID_BRIGHTNESS: | |
782 | ctrl->value = tvp514x_reg_list[REG_BRIGHTNESS].val; | |
783 | break; | |
784 | case V4L2_CID_CONTRAST: | |
785 | ctrl->value = tvp514x_reg_list[REG_CONTRAST].val; | |
786 | break; | |
787 | case V4L2_CID_SATURATION: | |
788 | ctrl->value = tvp514x_reg_list[REG_SATURATION].val; | |
789 | break; | |
790 | case V4L2_CID_HUE: | |
791 | ctrl->value = tvp514x_reg_list[REG_HUE].val; | |
792 | if (ctrl->value == 0x7F) | |
793 | ctrl->value = 180; | |
794 | else if (ctrl->value == 0x80) | |
795 | ctrl->value = -180; | |
796 | else | |
797 | ctrl->value = 0; | |
798 | ||
799 | break; | |
800 | case V4L2_CID_AUTOGAIN: | |
801 | ctrl->value = tvp514x_reg_list[REG_AFE_GAIN_CTRL].val; | |
802 | if ((ctrl->value & 0x3) == 3) | |
803 | ctrl->value = 1; | |
804 | else | |
805 | ctrl->value = 0; | |
806 | ||
807 | break; | |
808 | default: | |
809 | v4l_err(decoder->client, | |
810 | "invalid control id %d\n", ctrl->id); | |
811 | return -EINVAL; | |
812 | } | |
813 | ||
814 | v4l_dbg(1, debug, decoder->client, | |
815 | "Get Control: ID - %d - %d", | |
816 | ctrl->id, ctrl->value); | |
817 | return 0; | |
818 | } | |
819 | ||
820 | /** | |
821 | * ioctl_s_ctrl - V4L2 decoder interface handler for VIDIOC_S_CTRL ioctl | |
822 | * @s: pointer to standard V4L2 device structure | |
823 | * @ctrl: pointer to v4l2_control structure | |
824 | * | |
825 | * If the requested control is supported, sets the control's current | |
826 | * value in HW. Otherwise, returns -EINVAL if the control is not supported. | |
827 | */ | |
828 | static int | |
829 | ioctl_s_ctrl(struct v4l2_int_device *s, struct v4l2_control *ctrl) | |
830 | { | |
831 | struct tvp514x_decoder *decoder = s->priv; | |
832 | int err = -EINVAL, value; | |
833 | ||
834 | if (ctrl == NULL) | |
835 | return err; | |
836 | ||
837 | value = (__s32) ctrl->value; | |
838 | ||
839 | switch (ctrl->id) { | |
840 | case V4L2_CID_BRIGHTNESS: | |
841 | if (ctrl->value < 0 || ctrl->value > 255) { | |
842 | v4l_err(decoder->client, | |
843 | "invalid brightness setting %d\n", | |
844 | ctrl->value); | |
845 | return -ERANGE; | |
846 | } | |
847 | err = tvp514x_write_reg(decoder->client, REG_BRIGHTNESS, | |
848 | value); | |
849 | if (err) | |
850 | return err; | |
851 | tvp514x_reg_list[REG_BRIGHTNESS].val = value; | |
852 | break; | |
853 | case V4L2_CID_CONTRAST: | |
854 | if (ctrl->value < 0 || ctrl->value > 255) { | |
855 | v4l_err(decoder->client, | |
856 | "invalid contrast setting %d\n", | |
857 | ctrl->value); | |
858 | return -ERANGE; | |
859 | } | |
860 | err = tvp514x_write_reg(decoder->client, REG_CONTRAST, | |
861 | value); | |
862 | if (err) | |
863 | return err; | |
864 | tvp514x_reg_list[REG_CONTRAST].val = value; | |
865 | break; | |
866 | case V4L2_CID_SATURATION: | |
867 | if (ctrl->value < 0 || ctrl->value > 255) { | |
868 | v4l_err(decoder->client, | |
869 | "invalid saturation setting %d\n", | |
870 | ctrl->value); | |
871 | return -ERANGE; | |
872 | } | |
873 | err = tvp514x_write_reg(decoder->client, REG_SATURATION, | |
874 | value); | |
875 | if (err) | |
876 | return err; | |
877 | tvp514x_reg_list[REG_SATURATION].val = value; | |
878 | break; | |
879 | case V4L2_CID_HUE: | |
880 | if (value == 180) | |
881 | value = 0x7F; | |
882 | else if (value == -180) | |
883 | value = 0x80; | |
884 | else if (value == 0) | |
885 | value = 0; | |
886 | else { | |
887 | v4l_err(decoder->client, | |
888 | "invalid hue setting %d\n", | |
889 | ctrl->value); | |
890 | return -ERANGE; | |
891 | } | |
892 | err = tvp514x_write_reg(decoder->client, REG_HUE, | |
893 | value); | |
894 | if (err) | |
895 | return err; | |
896 | tvp514x_reg_list[REG_HUE].val = value; | |
897 | break; | |
898 | case V4L2_CID_AUTOGAIN: | |
899 | if (value == 1) | |
900 | value = 0x0F; | |
901 | else if (value == 0) | |
902 | value = 0x0C; | |
903 | else { | |
904 | v4l_err(decoder->client, | |
905 | "invalid auto gain setting %d\n", | |
906 | ctrl->value); | |
907 | return -ERANGE; | |
908 | } | |
909 | err = tvp514x_write_reg(decoder->client, REG_AFE_GAIN_CTRL, | |
910 | value); | |
911 | if (err) | |
912 | return err; | |
913 | tvp514x_reg_list[REG_AFE_GAIN_CTRL].val = value; | |
914 | break; | |
915 | default: | |
916 | v4l_err(decoder->client, | |
917 | "invalid control id %d\n", ctrl->id); | |
918 | return err; | |
919 | } | |
920 | ||
921 | v4l_dbg(1, debug, decoder->client, | |
922 | "Set Control: ID - %d - %d", | |
923 | ctrl->id, ctrl->value); | |
924 | ||
925 | return err; | |
926 | } | |
927 | ||
928 | /** | |
929 | * ioctl_enum_fmt_cap - Implement the CAPTURE buffer VIDIOC_ENUM_FMT ioctl | |
930 | * @s: pointer to standard V4L2 device structure | |
931 | * @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure | |
932 | * | |
933 | * Implement the VIDIOC_ENUM_FMT ioctl to enumerate supported formats | |
934 | */ | |
935 | static int | |
936 | ioctl_enum_fmt_cap(struct v4l2_int_device *s, struct v4l2_fmtdesc *fmt) | |
937 | { | |
938 | struct tvp514x_decoder *decoder = s->priv; | |
939 | int index; | |
940 | ||
941 | if (fmt == NULL) | |
942 | return -EINVAL; | |
943 | ||
944 | index = fmt->index; | |
945 | if ((index >= decoder->num_fmts) || (index < 0)) | |
946 | return -EINVAL; /* Index out of bound */ | |
947 | ||
948 | if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
949 | return -EINVAL; /* only capture is supported */ | |
950 | ||
951 | memcpy(fmt, &decoder->fmt_list[index], | |
952 | sizeof(struct v4l2_fmtdesc)); | |
953 | ||
954 | v4l_dbg(1, debug, decoder->client, | |
955 | "Current FMT: index - %d (%s)", | |
956 | decoder->fmt_list[index].index, | |
957 | decoder->fmt_list[index].description); | |
958 | return 0; | |
959 | } | |
960 | ||
961 | /** | |
962 | * ioctl_try_fmt_cap - Implement the CAPTURE buffer VIDIOC_TRY_FMT ioctl | |
963 | * @s: pointer to standard V4L2 device structure | |
964 | * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure | |
965 | * | |
966 | * Implement the VIDIOC_TRY_FMT ioctl for the CAPTURE buffer type. This | |
967 | * ioctl is used to negotiate the image capture size and pixel format | |
968 | * without actually making it take effect. | |
969 | */ | |
970 | static int | |
971 | ioctl_try_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f) | |
972 | { | |
973 | struct tvp514x_decoder *decoder = s->priv; | |
974 | int ifmt; | |
975 | struct v4l2_pix_format *pix; | |
976 | enum tvp514x_std current_std; | |
977 | ||
978 | if (f == NULL) | |
979 | return -EINVAL; | |
980 | ||
981 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
982 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
983 | ||
984 | pix = &f->fmt.pix; | |
985 | ||
986 | /* Calculate height and width based on current standard */ | |
987 | current_std = tvp514x_get_current_std(decoder); | |
988 | if (current_std == STD_INVALID) | |
989 | return -EINVAL; | |
990 | ||
991 | decoder->current_std = current_std; | |
992 | pix->width = decoder->std_list[current_std].width; | |
993 | pix->height = decoder->std_list[current_std].height; | |
994 | ||
995 | for (ifmt = 0; ifmt < decoder->num_fmts; ifmt++) { | |
996 | if (pix->pixelformat == | |
997 | decoder->fmt_list[ifmt].pixelformat) | |
998 | break; | |
999 | } | |
1000 | if (ifmt == decoder->num_fmts) | |
1001 | ifmt = 0; /* None of the format matched, select default */ | |
1002 | pix->pixelformat = decoder->fmt_list[ifmt].pixelformat; | |
1003 | ||
1004 | pix->field = V4L2_FIELD_INTERLACED; | |
1005 | pix->bytesperline = pix->width * 2; | |
1006 | pix->sizeimage = pix->bytesperline * pix->height; | |
1007 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
1008 | pix->priv = 0; | |
1009 | ||
1010 | v4l_dbg(1, debug, decoder->client, | |
1011 | "Try FMT: pixelformat - %s, bytesperline - %d" | |
1012 | "Width - %d, Height - %d", | |
1013 | decoder->fmt_list[ifmt].description, pix->bytesperline, | |
1014 | pix->width, pix->height); | |
1015 | return 0; | |
1016 | } | |
1017 | ||
1018 | /** | |
1019 | * ioctl_s_fmt_cap - V4L2 decoder interface handler for VIDIOC_S_FMT ioctl | |
1020 | * @s: pointer to standard V4L2 device structure | |
1021 | * @f: pointer to standard V4L2 VIDIOC_S_FMT ioctl structure | |
1022 | * | |
1023 | * If the requested format is supported, configures the HW to use that | |
1024 | * format, returns error code if format not supported or HW can't be | |
1025 | * correctly configured. | |
1026 | */ | |
1027 | static int | |
1028 | ioctl_s_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f) | |
1029 | { | |
1030 | struct tvp514x_decoder *decoder = s->priv; | |
1031 | struct v4l2_pix_format *pix; | |
1032 | int rval; | |
1033 | ||
1034 | if (f == NULL) | |
1035 | return -EINVAL; | |
1036 | ||
1037 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1038 | return -EINVAL; /* only capture is supported */ | |
1039 | ||
1040 | pix = &f->fmt.pix; | |
1041 | rval = ioctl_try_fmt_cap(s, f); | |
1042 | if (rval) | |
1043 | return rval; | |
1044 | ||
1045 | decoder->pix = *pix; | |
1046 | ||
1047 | return rval; | |
1048 | } | |
1049 | ||
1050 | /** | |
1051 | * ioctl_g_fmt_cap - V4L2 decoder interface handler for ioctl_g_fmt_cap | |
1052 | * @s: pointer to standard V4L2 device structure | |
1053 | * @f: pointer to standard V4L2 v4l2_format structure | |
1054 | * | |
1055 | * Returns the decoder's current pixel format in the v4l2_format | |
1056 | * parameter. | |
1057 | */ | |
1058 | static int | |
1059 | ioctl_g_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f) | |
1060 | { | |
1061 | struct tvp514x_decoder *decoder = s->priv; | |
1062 | ||
1063 | if (f == NULL) | |
1064 | return -EINVAL; | |
1065 | ||
1066 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1067 | return -EINVAL; /* only capture is supported */ | |
1068 | ||
1069 | f->fmt.pix = decoder->pix; | |
1070 | ||
1071 | v4l_dbg(1, debug, decoder->client, | |
1072 | "Current FMT: bytesperline - %d" | |
1073 | "Width - %d, Height - %d", | |
1074 | decoder->pix.bytesperline, | |
1075 | decoder->pix.width, decoder->pix.height); | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | /** | |
1080 | * ioctl_g_parm - V4L2 decoder interface handler for VIDIOC_G_PARM ioctl | |
1081 | * @s: pointer to standard V4L2 device structure | |
1082 | * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure | |
1083 | * | |
1084 | * Returns the decoder's video CAPTURE parameters. | |
1085 | */ | |
1086 | static int | |
1087 | ioctl_g_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a) | |
1088 | { | |
1089 | struct tvp514x_decoder *decoder = s->priv; | |
1090 | struct v4l2_captureparm *cparm; | |
1091 | enum tvp514x_std current_std; | |
1092 | ||
1093 | if (a == NULL) | |
1094 | return -EINVAL; | |
1095 | ||
1096 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1097 | return -EINVAL; /* only capture is supported */ | |
1098 | ||
1099 | memset(a, 0, sizeof(*a)); | |
1100 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1101 | ||
1102 | /* get the current standard */ | |
1103 | current_std = tvp514x_get_current_std(decoder); | |
1104 | if (current_std == STD_INVALID) | |
1105 | return -EINVAL; | |
1106 | ||
1107 | decoder->current_std = current_std; | |
1108 | ||
1109 | cparm = &a->parm.capture; | |
1110 | cparm->capability = V4L2_CAP_TIMEPERFRAME; | |
1111 | cparm->timeperframe = | |
1112 | decoder->std_list[current_std].standard.frameperiod; | |
1113 | ||
1114 | return 0; | |
1115 | } | |
1116 | ||
1117 | /** | |
1118 | * ioctl_s_parm - V4L2 decoder interface handler for VIDIOC_S_PARM ioctl | |
1119 | * @s: pointer to standard V4L2 device structure | |
1120 | * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure | |
1121 | * | |
1122 | * Configures the decoder to use the input parameters, if possible. If | |
1123 | * not possible, returns the appropriate error code. | |
1124 | */ | |
1125 | static int | |
1126 | ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a) | |
1127 | { | |
1128 | struct tvp514x_decoder *decoder = s->priv; | |
1129 | struct v4l2_fract *timeperframe; | |
1130 | enum tvp514x_std current_std; | |
1131 | ||
1132 | if (a == NULL) | |
1133 | return -EINVAL; | |
1134 | ||
1135 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) | |
1136 | return -EINVAL; /* only capture is supported */ | |
1137 | ||
1138 | timeperframe = &a->parm.capture.timeperframe; | |
1139 | ||
1140 | /* get the current standard */ | |
1141 | current_std = tvp514x_get_current_std(decoder); | |
1142 | if (current_std == STD_INVALID) | |
1143 | return -EINVAL; | |
1144 | ||
1145 | decoder->current_std = current_std; | |
1146 | ||
1147 | *timeperframe = | |
1148 | decoder->std_list[current_std].standard.frameperiod; | |
1149 | ||
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | /** | |
1154 | * ioctl_g_ifparm - V4L2 decoder interface handler for vidioc_int_g_ifparm_num | |
1155 | * @s: pointer to standard V4L2 device structure | |
1156 | * @p: pointer to standard V4L2 vidioc_int_g_ifparm_num ioctl structure | |
1157 | * | |
1158 | * Gets slave interface parameters. | |
1159 | * Calculates the required xclk value to support the requested | |
1160 | * clock parameters in p. This value is returned in the p | |
1161 | * parameter. | |
1162 | */ | |
1163 | static int ioctl_g_ifparm(struct v4l2_int_device *s, struct v4l2_ifparm *p) | |
1164 | { | |
1165 | struct tvp514x_decoder *decoder = s->priv; | |
1166 | int rval; | |
1167 | ||
1168 | if (p == NULL) | |
1169 | return -EINVAL; | |
1170 | ||
1171 | if (NULL == decoder->pdata->ifparm) | |
1172 | return -EINVAL; | |
1173 | ||
1174 | rval = decoder->pdata->ifparm(p); | |
1175 | if (rval) { | |
1176 | v4l_err(decoder->client, "g_ifparm.Err[%d]\n", rval); | |
1177 | return rval; | |
1178 | } | |
1179 | ||
1180 | p->u.bt656.clock_curr = TVP514X_XCLK_BT656; | |
1181 | ||
1182 | return 0; | |
1183 | } | |
1184 | ||
1185 | /** | |
1186 | * ioctl_g_priv - V4L2 decoder interface handler for vidioc_int_g_priv_num | |
1187 | * @s: pointer to standard V4L2 device structure | |
1188 | * @p: void pointer to hold decoder's private data address | |
1189 | * | |
1190 | * Returns device's (decoder's) private data area address in p parameter | |
1191 | */ | |
1192 | static int ioctl_g_priv(struct v4l2_int_device *s, void *p) | |
1193 | { | |
1194 | struct tvp514x_decoder *decoder = s->priv; | |
1195 | ||
1196 | if (NULL == decoder->pdata->priv_data_set) | |
1197 | return -EINVAL; | |
1198 | ||
1199 | return decoder->pdata->priv_data_set(p); | |
1200 | } | |
1201 | ||
1202 | /** | |
1203 | * ioctl_s_power - V4L2 decoder interface handler for vidioc_int_s_power_num | |
1204 | * @s: pointer to standard V4L2 device structure | |
1205 | * @on: power state to which device is to be set | |
1206 | * | |
1207 | * Sets devices power state to requrested state, if possible. | |
1208 | */ | |
1209 | static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on) | |
1210 | { | |
1211 | struct tvp514x_decoder *decoder = s->priv; | |
1212 | int err = 0; | |
1213 | ||
1214 | switch (on) { | |
1215 | case V4L2_POWER_OFF: | |
1216 | /* Power Down Sequence */ | |
1217 | err = | |
1218 | tvp514x_write_reg(decoder->client, REG_OPERATION_MODE, | |
1219 | 0x01); | |
1220 | /* Disable mux for TVP5146/47 decoder data path */ | |
1221 | if (decoder->pdata->power_set) | |
1222 | err |= decoder->pdata->power_set(on); | |
1223 | decoder->state = STATE_NOT_DETECTED; | |
1224 | break; | |
1225 | ||
1226 | case V4L2_POWER_STANDBY: | |
1227 | if (decoder->pdata->power_set) | |
1228 | err = decoder->pdata->power_set(on); | |
1229 | break; | |
1230 | ||
1231 | case V4L2_POWER_ON: | |
1232 | /* Enable mux for TVP5146/47 decoder data path */ | |
1233 | if ((decoder->pdata->power_set) && | |
1234 | (decoder->state == STATE_NOT_DETECTED)) { | |
1235 | int i; | |
1236 | struct tvp514x_init_seq *int_seq = | |
1237 | (struct tvp514x_init_seq *) | |
1238 | decoder->id->driver_data; | |
1239 | ||
1240 | err = decoder->pdata->power_set(on); | |
1241 | ||
1242 | /* Power Up Sequence */ | |
1243 | for (i = 0; i < int_seq->no_regs; i++) { | |
1244 | err |= tvp514x_write_reg(decoder->client, | |
1245 | int_seq->init_reg_seq[i].reg, | |
1246 | int_seq->init_reg_seq[i].val); | |
1247 | } | |
1248 | /* Detect the sensor is not already detected */ | |
1249 | err |= tvp514x_detect(decoder); | |
1250 | if (err) { | |
1251 | v4l_err(decoder->client, | |
1252 | "Unable to detect decoder\n"); | |
1253 | return err; | |
1254 | } | |
1255 | } | |
1256 | err |= tvp514x_configure(decoder); | |
1257 | break; | |
1258 | ||
1259 | default: | |
1260 | err = -ENODEV; | |
1261 | break; | |
1262 | } | |
1263 | ||
1264 | return err; | |
1265 | } | |
1266 | ||
1267 | /** | |
1268 | * ioctl_init - V4L2 decoder interface handler for VIDIOC_INT_INIT | |
1269 | * @s: pointer to standard V4L2 device structure | |
1270 | * | |
1271 | * Initialize the decoder device (calls tvp514x_configure()) | |
1272 | */ | |
1273 | static int ioctl_init(struct v4l2_int_device *s) | |
1274 | { | |
1275 | struct tvp514x_decoder *decoder = s->priv; | |
1276 | ||
1277 | /* Set default standard to auto */ | |
1278 | tvp514x_reg_list[REG_VIDEO_STD].val = | |
1279 | VIDEO_STD_AUTO_SWITCH_BIT; | |
1280 | ||
1281 | return tvp514x_configure(decoder); | |
1282 | } | |
1283 | ||
1284 | /** | |
1285 | * ioctl_dev_exit - V4L2 decoder interface handler for vidioc_int_dev_exit_num | |
1286 | * @s: pointer to standard V4L2 device structure | |
1287 | * | |
1288 | * Delinitialise the dev. at slave detach. The complement of ioctl_dev_init. | |
1289 | */ | |
1290 | static int ioctl_dev_exit(struct v4l2_int_device *s) | |
1291 | { | |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | /** | |
1296 | * ioctl_dev_init - V4L2 decoder interface handler for vidioc_int_dev_init_num | |
1297 | * @s: pointer to standard V4L2 device structure | |
1298 | * | |
1299 | * Initialise the device when slave attaches to the master. Returns 0 if | |
1300 | * TVP5146/47 device could be found, otherwise returns appropriate error. | |
1301 | */ | |
1302 | static int ioctl_dev_init(struct v4l2_int_device *s) | |
1303 | { | |
1304 | struct tvp514x_decoder *decoder = s->priv; | |
1305 | int err; | |
1306 | ||
1307 | err = tvp514x_detect(decoder); | |
1308 | if (err < 0) { | |
1309 | v4l_err(decoder->client, | |
1310 | "Unable to detect decoder\n"); | |
1311 | return err; | |
1312 | } | |
1313 | ||
1314 | v4l_info(decoder->client, | |
1315 | "chip version 0x%.2x detected\n", decoder->ver); | |
1316 | ||
1317 | return 0; | |
1318 | } | |
1319 | ||
1320 | static struct v4l2_int_ioctl_desc tvp514x_ioctl_desc[] = { | |
1321 | {vidioc_int_dev_init_num, (v4l2_int_ioctl_func*) ioctl_dev_init}, | |
1322 | {vidioc_int_dev_exit_num, (v4l2_int_ioctl_func*) ioctl_dev_exit}, | |
1323 | {vidioc_int_s_power_num, (v4l2_int_ioctl_func*) ioctl_s_power}, | |
1324 | {vidioc_int_g_priv_num, (v4l2_int_ioctl_func*) ioctl_g_priv}, | |
1325 | {vidioc_int_g_ifparm_num, (v4l2_int_ioctl_func*) ioctl_g_ifparm}, | |
1326 | {vidioc_int_init_num, (v4l2_int_ioctl_func*) ioctl_init}, | |
1327 | {vidioc_int_enum_fmt_cap_num, | |
1328 | (v4l2_int_ioctl_func *) ioctl_enum_fmt_cap}, | |
1329 | {vidioc_int_try_fmt_cap_num, | |
1330 | (v4l2_int_ioctl_func *) ioctl_try_fmt_cap}, | |
1331 | {vidioc_int_g_fmt_cap_num, | |
1332 | (v4l2_int_ioctl_func *) ioctl_g_fmt_cap}, | |
1333 | {vidioc_int_s_fmt_cap_num, | |
1334 | (v4l2_int_ioctl_func *) ioctl_s_fmt_cap}, | |
1335 | {vidioc_int_g_parm_num, (v4l2_int_ioctl_func *) ioctl_g_parm}, | |
1336 | {vidioc_int_s_parm_num, (v4l2_int_ioctl_func *) ioctl_s_parm}, | |
1337 | {vidioc_int_queryctrl_num, | |
1338 | (v4l2_int_ioctl_func *) ioctl_queryctrl}, | |
1339 | {vidioc_int_g_ctrl_num, (v4l2_int_ioctl_func *) ioctl_g_ctrl}, | |
1340 | {vidioc_int_s_ctrl_num, (v4l2_int_ioctl_func *) ioctl_s_ctrl}, | |
1341 | {vidioc_int_querystd_num, (v4l2_int_ioctl_func *) ioctl_querystd}, | |
1342 | {vidioc_int_s_std_num, (v4l2_int_ioctl_func *) ioctl_s_std}, | |
1343 | {vidioc_int_s_video_routing_num, | |
1344 | (v4l2_int_ioctl_func *) ioctl_s_routing}, | |
1345 | }; | |
1346 | ||
1347 | static struct v4l2_int_slave tvp514x_slave = { | |
1348 | .ioctls = tvp514x_ioctl_desc, | |
1349 | .num_ioctls = ARRAY_SIZE(tvp514x_ioctl_desc), | |
1350 | }; | |
1351 | ||
1352 | static struct tvp514x_decoder tvp514x_dev = { | |
1353 | .state = STATE_NOT_DETECTED, | |
1354 | ||
1355 | .fmt_list = tvp514x_fmt_list, | |
1356 | .num_fmts = ARRAY_SIZE(tvp514x_fmt_list), | |
1357 | ||
1358 | .pix = { /* Default to NTSC 8-bit YUV 422 */ | |
1359 | .width = NTSC_NUM_ACTIVE_PIXELS, | |
1360 | .height = NTSC_NUM_ACTIVE_LINES, | |
1361 | .pixelformat = V4L2_PIX_FMT_UYVY, | |
1362 | .field = V4L2_FIELD_INTERLACED, | |
1363 | .bytesperline = NTSC_NUM_ACTIVE_PIXELS * 2, | |
1364 | .sizeimage = | |
1365 | NTSC_NUM_ACTIVE_PIXELS * 2 * NTSC_NUM_ACTIVE_LINES, | |
1366 | .colorspace = V4L2_COLORSPACE_SMPTE170M, | |
1367 | }, | |
1368 | ||
1369 | .current_std = STD_NTSC_MJ, | |
1370 | .std_list = tvp514x_std_list, | |
1371 | .num_stds = ARRAY_SIZE(tvp514x_std_list), | |
1372 | ||
1373 | }; | |
1374 | ||
1375 | static struct v4l2_int_device tvp514x_int_device = { | |
1376 | .module = THIS_MODULE, | |
1377 | .name = TVP514X_MODULE_NAME, | |
1378 | .priv = &tvp514x_dev, | |
1379 | .type = v4l2_int_type_slave, | |
1380 | .u = { | |
1381 | .slave = &tvp514x_slave, | |
1382 | }, | |
1383 | }; | |
1384 | ||
1385 | /** | |
1386 | * tvp514x_probe - decoder driver i2c probe handler | |
1387 | * @client: i2c driver client device structure | |
1388 | * | |
1389 | * Register decoder as an i2c client device and V4L2 | |
1390 | * device. | |
1391 | */ | |
1392 | static int | |
1393 | tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) | |
1394 | { | |
1395 | struct tvp514x_decoder *decoder = &tvp514x_dev; | |
1396 | int err; | |
1397 | ||
1398 | /* Check if the adapter supports the needed features */ | |
1399 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) | |
1400 | return -EIO; | |
1401 | ||
1402 | decoder->pdata = client->dev.platform_data; | |
1403 | if (!decoder->pdata) { | |
1404 | v4l_err(client, "No platform data\n!!"); | |
1405 | return -ENODEV; | |
1406 | } | |
1407 | /* | |
1408 | * Fetch platform specific data, and configure the | |
1409 | * tvp514x_reg_list[] accordingly. Since this is one | |
1410 | * time configuration, no need to preserve. | |
1411 | */ | |
1412 | tvp514x_reg_list[REG_OUTPUT_FORMATTER2].val |= | |
1413 | (decoder->pdata->clk_polarity << 1); | |
1414 | tvp514x_reg_list[REG_SYNC_CONTROL].val |= | |
1415 | ((decoder->pdata->hs_polarity << 2) | | |
1416 | (decoder->pdata->vs_polarity << 3)); | |
1417 | /* | |
1418 | * Save the id data, required for power up sequence | |
1419 | */ | |
1420 | decoder->id = (struct i2c_device_id *)id; | |
1421 | /* Attach to Master */ | |
1422 | strcpy(tvp514x_int_device.u.slave->attach_to, decoder->pdata->master); | |
1423 | decoder->v4l2_int_device = &tvp514x_int_device; | |
1424 | decoder->client = client; | |
1425 | i2c_set_clientdata(client, decoder); | |
1426 | ||
1427 | /* Register with V4L2 layer as slave device */ | |
1428 | err = v4l2_int_device_register(decoder->v4l2_int_device); | |
1429 | if (err) { | |
1430 | i2c_set_clientdata(client, NULL); | |
1431 | v4l_err(client, | |
1432 | "Unable to register to v4l2. Err[%d]\n", err); | |
1433 | ||
1434 | } else | |
1435 | v4l_info(client, "Registered to v4l2 master %s!!\n", | |
1436 | decoder->pdata->master); | |
1437 | ||
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | /** | |
1442 | * tvp514x_remove - decoder driver i2c remove handler | |
1443 | * @client: i2c driver client device structure | |
1444 | * | |
1445 | * Unregister decoder as an i2c client device and V4L2 | |
1446 | * device. Complement of tvp514x_probe(). | |
1447 | */ | |
1448 | static int __exit tvp514x_remove(struct i2c_client *client) | |
1449 | { | |
1450 | struct tvp514x_decoder *decoder = i2c_get_clientdata(client); | |
1451 | ||
1452 | if (!client->adapter) | |
1453 | return -ENODEV; /* our client isn't attached */ | |
1454 | ||
1455 | v4l2_int_device_unregister(decoder->v4l2_int_device); | |
1456 | i2c_set_clientdata(client, NULL); | |
1457 | ||
1458 | return 0; | |
1459 | } | |
1460 | /* | |
1461 | * TVP5146 Init/Power on Sequence | |
1462 | */ | |
1463 | static const struct tvp514x_reg tvp5146_init_reg_seq[] = { | |
1464 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1465 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1466 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1467 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1468 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1469 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1470 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1471 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1472 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1473 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1474 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
1475 | }; | |
1476 | static const struct tvp514x_init_seq tvp5146_init = { | |
1477 | .no_regs = ARRAY_SIZE(tvp5146_init_reg_seq), | |
1478 | .init_reg_seq = tvp5146_init_reg_seq, | |
1479 | }; | |
1480 | /* | |
1481 | * TVP5147 Init/Power on Sequence | |
1482 | */ | |
1483 | static const struct tvp514x_reg tvp5147_init_reg_seq[] = { | |
1484 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, | |
1485 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1486 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, | |
1487 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1488 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1489 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1490 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1491 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, | |
1492 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, | |
1493 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1494 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, | |
1495 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, | |
1496 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, | |
1497 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, | |
1498 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, | |
1499 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, | |
1500 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1501 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
1502 | }; | |
1503 | static const struct tvp514x_init_seq tvp5147_init = { | |
1504 | .no_regs = ARRAY_SIZE(tvp5147_init_reg_seq), | |
1505 | .init_reg_seq = tvp5147_init_reg_seq, | |
1506 | }; | |
1507 | /* | |
1508 | * TVP5146M2/TVP5147M1 Init/Power on Sequence | |
1509 | */ | |
1510 | static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { | |
1511 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, | |
1512 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, | |
1513 | }; | |
1514 | static const struct tvp514x_init_seq tvp514xm_init = { | |
1515 | .no_regs = ARRAY_SIZE(tvp514xm_init_reg_seq), | |
1516 | .init_reg_seq = tvp514xm_init_reg_seq, | |
1517 | }; | |
1518 | /* | |
1519 | * I2C Device Table - | |
1520 | * | |
1521 | * name - Name of the actual device/chip. | |
1522 | * driver_data - Driver data | |
1523 | */ | |
1524 | static const struct i2c_device_id tvp514x_id[] = { | |
1525 | {"tvp5146", (unsigned long)&tvp5146_init}, | |
1526 | {"tvp5146m2", (unsigned long)&tvp514xm_init}, | |
1527 | {"tvp5147", (unsigned long)&tvp5147_init}, | |
1528 | {"tvp5147m1", (unsigned long)&tvp514xm_init}, | |
1529 | {}, | |
1530 | }; | |
1531 | ||
1532 | MODULE_DEVICE_TABLE(i2c, tvp514x_id); | |
1533 | ||
1534 | static struct i2c_driver tvp514x_i2c_driver = { | |
1535 | .driver = { | |
1536 | .name = TVP514X_MODULE_NAME, | |
1537 | .owner = THIS_MODULE, | |
1538 | }, | |
1539 | .probe = tvp514x_probe, | |
1540 | .remove = __exit_p(tvp514x_remove), | |
1541 | .id_table = tvp514x_id, | |
1542 | }; | |
1543 | ||
1544 | /** | |
1545 | * tvp514x_init | |
1546 | * | |
1547 | * Module init function | |
1548 | */ | |
1549 | static int __init tvp514x_init(void) | |
1550 | { | |
1551 | return i2c_add_driver(&tvp514x_i2c_driver); | |
1552 | } | |
1553 | ||
1554 | /** | |
1555 | * tvp514x_cleanup | |
1556 | * | |
1557 | * Module exit function | |
1558 | */ | |
1559 | static void __exit tvp514x_cleanup(void) | |
1560 | { | |
1561 | i2c_del_driver(&tvp514x_i2c_driver); | |
1562 | } | |
1563 | ||
1564 | module_init(tvp514x_init); | |
1565 | module_exit(tvp514x_cleanup); | |
1566 | ||
1567 | MODULE_AUTHOR("Texas Instruments"); | |
1568 | MODULE_DESCRIPTION("TVP514X linux decoder driver"); | |
1569 | MODULE_LICENSE("GPL"); |