Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 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 | |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 89 | static struct tvp514x_reg tvp514x_reg_list_default[0x40]; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 90 | /** |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 91 | * struct tvp514x_decoder - TVP5146/47 decoder object |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 92 | * @v4l2_int_device: Slave handle |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 93 | * @tvp514x_slave: Slave pointer which is used by @v4l2_int_device |
| 94 | * @tvp514x_regs: copy of hw's regs with preset values. |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 95 | * @pdata: Board specific |
| 96 | * @client: I2C client data |
| 97 | * @id: Entry from I2C table |
| 98 | * @ver: Chip version |
| 99 | * @state: TVP5146/47 decoder state - detected or not-detected |
| 100 | * @pix: Current pixel format |
| 101 | * @num_fmts: Number of formats |
| 102 | * @fmt_list: Format list |
| 103 | * @current_std: Current standard |
| 104 | * @num_stds: Number of standards |
| 105 | * @std_list: Standards list |
| 106 | * @route: input and output routing at chip level |
| 107 | */ |
| 108 | struct tvp514x_decoder { |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 109 | struct v4l2_int_device v4l2_int_device; |
| 110 | struct v4l2_int_slave tvp514x_slave; |
| 111 | struct tvp514x_reg tvp514x_regs[ARRAY_SIZE(tvp514x_reg_list_default)]; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 112 | const struct tvp514x_platform_data *pdata; |
| 113 | struct i2c_client *client; |
| 114 | |
| 115 | struct i2c_device_id *id; |
| 116 | |
| 117 | int ver; |
| 118 | enum tvp514x_state state; |
| 119 | |
| 120 | struct v4l2_pix_format pix; |
| 121 | int num_fmts; |
| 122 | const struct v4l2_fmtdesc *fmt_list; |
| 123 | |
| 124 | enum tvp514x_std current_std; |
| 125 | int num_stds; |
| 126 | struct tvp514x_std_info *std_list; |
| 127 | |
| 128 | struct v4l2_routing route; |
| 129 | }; |
| 130 | |
| 131 | /* TVP514x default register values */ |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 132 | static struct tvp514x_reg tvp514x_reg_list_default[] = { |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 133 | {TOK_WRITE, REG_INPUT_SEL, 0x05}, /* Composite selected */ |
| 134 | {TOK_WRITE, REG_AFE_GAIN_CTRL, 0x0F}, |
| 135 | {TOK_WRITE, REG_VIDEO_STD, 0x00}, /* Auto mode */ |
| 136 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
| 137 | {TOK_SKIP, REG_AUTOSWITCH_MASK, 0x3F}, |
| 138 | {TOK_WRITE, REG_COLOR_KILLER, 0x10}, |
| 139 | {TOK_WRITE, REG_LUMA_CONTROL1, 0x00}, |
| 140 | {TOK_WRITE, REG_LUMA_CONTROL2, 0x00}, |
| 141 | {TOK_WRITE, REG_LUMA_CONTROL3, 0x02}, |
| 142 | {TOK_WRITE, REG_BRIGHTNESS, 0x80}, |
| 143 | {TOK_WRITE, REG_CONTRAST, 0x80}, |
| 144 | {TOK_WRITE, REG_SATURATION, 0x80}, |
| 145 | {TOK_WRITE, REG_HUE, 0x00}, |
| 146 | {TOK_WRITE, REG_CHROMA_CONTROL1, 0x00}, |
| 147 | {TOK_WRITE, REG_CHROMA_CONTROL2, 0x0E}, |
| 148 | {TOK_SKIP, 0x0F, 0x00}, /* Reserved */ |
| 149 | {TOK_WRITE, REG_COMP_PR_SATURATION, 0x80}, |
| 150 | {TOK_WRITE, REG_COMP_Y_CONTRAST, 0x80}, |
| 151 | {TOK_WRITE, REG_COMP_PB_SATURATION, 0x80}, |
| 152 | {TOK_SKIP, 0x13, 0x00}, /* Reserved */ |
| 153 | {TOK_WRITE, REG_COMP_Y_BRIGHTNESS, 0x80}, |
| 154 | {TOK_SKIP, 0x15, 0x00}, /* Reserved */ |
| 155 | {TOK_SKIP, REG_AVID_START_PIXEL_LSB, 0x55}, /* NTSC timing */ |
| 156 | {TOK_SKIP, REG_AVID_START_PIXEL_MSB, 0x00}, |
| 157 | {TOK_SKIP, REG_AVID_STOP_PIXEL_LSB, 0x25}, |
| 158 | {TOK_SKIP, REG_AVID_STOP_PIXEL_MSB, 0x03}, |
| 159 | {TOK_SKIP, REG_HSYNC_START_PIXEL_LSB, 0x00}, /* NTSC timing */ |
| 160 | {TOK_SKIP, REG_HSYNC_START_PIXEL_MSB, 0x00}, |
| 161 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_LSB, 0x40}, |
| 162 | {TOK_SKIP, REG_HSYNC_STOP_PIXEL_MSB, 0x00}, |
| 163 | {TOK_SKIP, REG_VSYNC_START_LINE_LSB, 0x04}, /* NTSC timing */ |
| 164 | {TOK_SKIP, REG_VSYNC_START_LINE_MSB, 0x00}, |
| 165 | {TOK_SKIP, REG_VSYNC_STOP_LINE_LSB, 0x07}, |
| 166 | {TOK_SKIP, REG_VSYNC_STOP_LINE_MSB, 0x00}, |
| 167 | {TOK_SKIP, REG_VBLK_START_LINE_LSB, 0x01}, /* NTSC timing */ |
| 168 | {TOK_SKIP, REG_VBLK_START_LINE_MSB, 0x00}, |
| 169 | {TOK_SKIP, REG_VBLK_STOP_LINE_LSB, 0x15}, |
| 170 | {TOK_SKIP, REG_VBLK_STOP_LINE_MSB, 0x00}, |
| 171 | {TOK_SKIP, 0x26, 0x00}, /* Reserved */ |
| 172 | {TOK_SKIP, 0x27, 0x00}, /* Reserved */ |
| 173 | {TOK_SKIP, REG_FAST_SWTICH_CONTROL, 0xCC}, |
| 174 | {TOK_SKIP, 0x29, 0x00}, /* Reserved */ |
| 175 | {TOK_SKIP, REG_FAST_SWTICH_SCART_DELAY, 0x00}, |
| 176 | {TOK_SKIP, 0x2B, 0x00}, /* Reserved */ |
| 177 | {TOK_SKIP, REG_SCART_DELAY, 0x00}, |
| 178 | {TOK_SKIP, REG_CTI_DELAY, 0x00}, |
| 179 | {TOK_SKIP, REG_CTI_CONTROL, 0x00}, |
| 180 | {TOK_SKIP, 0x2F, 0x00}, /* Reserved */ |
| 181 | {TOK_SKIP, 0x30, 0x00}, /* Reserved */ |
| 182 | {TOK_SKIP, 0x31, 0x00}, /* Reserved */ |
| 183 | {TOK_WRITE, REG_SYNC_CONTROL, 0x00}, /* HS, VS active high */ |
| 184 | {TOK_WRITE, REG_OUTPUT_FORMATTER1, 0x00}, /* 10-bit BT.656 */ |
| 185 | {TOK_WRITE, REG_OUTPUT_FORMATTER2, 0x11}, /* Enable clk & data */ |
| 186 | {TOK_WRITE, REG_OUTPUT_FORMATTER3, 0xEE}, /* Enable AVID & FLD */ |
| 187 | {TOK_WRITE, REG_OUTPUT_FORMATTER4, 0xAF}, /* Enable VS & HS */ |
| 188 | {TOK_WRITE, REG_OUTPUT_FORMATTER5, 0xFF}, |
| 189 | {TOK_WRITE, REG_OUTPUT_FORMATTER6, 0xFF}, |
| 190 | {TOK_WRITE, REG_CLEAR_LOST_LOCK, 0x01}, /* Clear status */ |
| 191 | {TOK_TERM, 0, 0}, |
| 192 | }; |
| 193 | |
| 194 | /* List of image formats supported by TVP5146/47 decoder |
| 195 | * Currently we are using 8 bit mode only, but can be |
| 196 | * extended to 10/20 bit mode. |
| 197 | */ |
| 198 | static const struct v4l2_fmtdesc tvp514x_fmt_list[] = { |
| 199 | { |
| 200 | .index = 0, |
| 201 | .type = V4L2_BUF_TYPE_VIDEO_CAPTURE, |
| 202 | .flags = 0, |
| 203 | .description = "8-bit UYVY 4:2:2 Format", |
| 204 | .pixelformat = V4L2_PIX_FMT_UYVY, |
| 205 | }, |
| 206 | }; |
| 207 | |
| 208 | /* |
| 209 | * Supported standards - |
| 210 | * |
| 211 | * Currently supports two standards only, need to add support for rest of the |
| 212 | * modes, like SECAM, etc... |
| 213 | */ |
| 214 | static struct tvp514x_std_info tvp514x_std_list[] = { |
| 215 | /* Standard: STD_NTSC_MJ */ |
| 216 | [STD_NTSC_MJ] = { |
| 217 | .width = NTSC_NUM_ACTIVE_PIXELS, |
| 218 | .height = NTSC_NUM_ACTIVE_LINES, |
| 219 | .video_std = VIDEO_STD_NTSC_MJ_BIT, |
| 220 | .standard = { |
| 221 | .index = 0, |
| 222 | .id = V4L2_STD_NTSC, |
| 223 | .name = "NTSC", |
| 224 | .frameperiod = {1001, 30000}, |
| 225 | .framelines = 525 |
| 226 | }, |
| 227 | /* Standard: STD_PAL_BDGHIN */ |
| 228 | }, |
| 229 | [STD_PAL_BDGHIN] = { |
| 230 | .width = PAL_NUM_ACTIVE_PIXELS, |
| 231 | .height = PAL_NUM_ACTIVE_LINES, |
| 232 | .video_std = VIDEO_STD_PAL_BDGHIN_BIT, |
| 233 | .standard = { |
| 234 | .index = 1, |
| 235 | .id = V4L2_STD_PAL, |
| 236 | .name = "PAL", |
| 237 | .frameperiod = {1, 25}, |
| 238 | .framelines = 625 |
| 239 | }, |
| 240 | }, |
| 241 | /* Standard: need to add for additional standard */ |
| 242 | }; |
| 243 | /* |
| 244 | * Control structure for Auto Gain |
| 245 | * This is temporary data, will get replaced once |
| 246 | * v4l2_ctrl_query_fill supports it. |
| 247 | */ |
| 248 | static const struct v4l2_queryctrl tvp514x_autogain_ctrl = { |
| 249 | .id = V4L2_CID_AUTOGAIN, |
| 250 | .name = "Gain, Automatic", |
| 251 | .type = V4L2_CTRL_TYPE_BOOLEAN, |
| 252 | .minimum = 0, |
| 253 | .maximum = 1, |
| 254 | .step = 1, |
| 255 | .default_value = 1, |
| 256 | }; |
| 257 | |
| 258 | /* |
| 259 | * Read a value from a register in an TVP5146/47 decoder device. |
| 260 | * Returns value read if successful, or non-zero (-1) otherwise. |
| 261 | */ |
| 262 | static int tvp514x_read_reg(struct i2c_client *client, u8 reg) |
| 263 | { |
| 264 | int err; |
| 265 | int retry = 0; |
| 266 | read_again: |
| 267 | |
| 268 | err = i2c_smbus_read_byte_data(client, reg); |
| 269 | if (err == -1) { |
| 270 | if (retry <= I2C_RETRY_COUNT) { |
| 271 | v4l_warn(client, "Read: retry ... %d\n", retry); |
| 272 | retry++; |
| 273 | msleep_interruptible(10); |
| 274 | goto read_again; |
| 275 | } |
| 276 | } |
| 277 | |
| 278 | return err; |
| 279 | } |
| 280 | |
| 281 | /* |
| 282 | * Write a value to a register in an TVP5146/47 decoder device. |
| 283 | * Returns zero if successful, or non-zero otherwise. |
| 284 | */ |
| 285 | static int tvp514x_write_reg(struct i2c_client *client, u8 reg, u8 val) |
| 286 | { |
| 287 | int err; |
| 288 | int retry = 0; |
| 289 | write_again: |
| 290 | |
| 291 | err = i2c_smbus_write_byte_data(client, reg, val); |
| 292 | if (err) { |
| 293 | if (retry <= I2C_RETRY_COUNT) { |
| 294 | v4l_warn(client, "Write: retry ... %d\n", retry); |
| 295 | retry++; |
| 296 | msleep_interruptible(10); |
| 297 | goto write_again; |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | return err; |
| 302 | } |
| 303 | |
| 304 | /* |
| 305 | * tvp514x_write_regs : Initializes a list of TVP5146/47 registers |
| 306 | * if token is TOK_TERM, then entire write operation terminates |
| 307 | * if token is TOK_DELAY, then a delay of 'val' msec is introduced |
| 308 | * if token is TOK_SKIP, then the register write is skipped |
| 309 | * if token is TOK_WRITE, then the register write is performed |
| 310 | * |
| 311 | * reglist - list of registers to be written |
| 312 | * Returns zero if successful, or non-zero otherwise. |
| 313 | */ |
| 314 | static int tvp514x_write_regs(struct i2c_client *client, |
| 315 | const struct tvp514x_reg reglist[]) |
| 316 | { |
| 317 | int err; |
| 318 | const struct tvp514x_reg *next = reglist; |
| 319 | |
| 320 | for (; next->token != TOK_TERM; next++) { |
| 321 | if (next->token == TOK_DELAY) { |
| 322 | msleep(next->val); |
| 323 | continue; |
| 324 | } |
| 325 | |
| 326 | if (next->token == TOK_SKIP) |
| 327 | continue; |
| 328 | |
| 329 | err = tvp514x_write_reg(client, next->reg, (u8) next->val); |
| 330 | if (err) { |
| 331 | v4l_err(client, "Write failed. Err[%d]\n", err); |
| 332 | return err; |
| 333 | } |
| 334 | } |
| 335 | return 0; |
| 336 | } |
| 337 | |
| 338 | /* |
| 339 | * tvp514x_get_current_std: |
| 340 | * Returns the current standard detected by TVP5146/47 |
| 341 | */ |
| 342 | static enum tvp514x_std tvp514x_get_current_std(struct tvp514x_decoder |
| 343 | *decoder) |
| 344 | { |
| 345 | u8 std, std_status; |
| 346 | |
| 347 | std = tvp514x_read_reg(decoder->client, REG_VIDEO_STD); |
| 348 | if ((std & VIDEO_STD_MASK) == VIDEO_STD_AUTO_SWITCH_BIT) { |
| 349 | /* use the standard status register */ |
| 350 | std_status = tvp514x_read_reg(decoder->client, |
| 351 | REG_VIDEO_STD_STATUS); |
| 352 | } else |
| 353 | std_status = std; /* use the standard register itself */ |
| 354 | |
| 355 | switch (std_status & VIDEO_STD_MASK) { |
| 356 | case VIDEO_STD_NTSC_MJ_BIT: |
| 357 | return STD_NTSC_MJ; |
| 358 | |
| 359 | case VIDEO_STD_PAL_BDGHIN_BIT: |
| 360 | return STD_PAL_BDGHIN; |
| 361 | |
| 362 | default: |
| 363 | return STD_INVALID; |
| 364 | } |
| 365 | |
| 366 | return STD_INVALID; |
| 367 | } |
| 368 | |
| 369 | /* |
| 370 | * TVP5146/47 register dump function |
| 371 | */ |
| 372 | static void tvp514x_reg_dump(struct tvp514x_decoder *decoder) |
| 373 | { |
| 374 | u8 value; |
| 375 | |
| 376 | dump_reg(decoder->client, REG_INPUT_SEL, value); |
| 377 | dump_reg(decoder->client, REG_AFE_GAIN_CTRL, value); |
| 378 | dump_reg(decoder->client, REG_VIDEO_STD, value); |
| 379 | dump_reg(decoder->client, REG_OPERATION_MODE, value); |
| 380 | dump_reg(decoder->client, REG_COLOR_KILLER, value); |
| 381 | dump_reg(decoder->client, REG_LUMA_CONTROL1, value); |
| 382 | dump_reg(decoder->client, REG_LUMA_CONTROL2, value); |
| 383 | dump_reg(decoder->client, REG_LUMA_CONTROL3, value); |
| 384 | dump_reg(decoder->client, REG_BRIGHTNESS, value); |
| 385 | dump_reg(decoder->client, REG_CONTRAST, value); |
| 386 | dump_reg(decoder->client, REG_SATURATION, value); |
| 387 | dump_reg(decoder->client, REG_HUE, value); |
| 388 | dump_reg(decoder->client, REG_CHROMA_CONTROL1, value); |
| 389 | dump_reg(decoder->client, REG_CHROMA_CONTROL2, value); |
| 390 | dump_reg(decoder->client, REG_COMP_PR_SATURATION, value); |
| 391 | dump_reg(decoder->client, REG_COMP_Y_CONTRAST, value); |
| 392 | dump_reg(decoder->client, REG_COMP_PB_SATURATION, value); |
| 393 | dump_reg(decoder->client, REG_COMP_Y_BRIGHTNESS, value); |
| 394 | dump_reg(decoder->client, REG_AVID_START_PIXEL_LSB, value); |
| 395 | dump_reg(decoder->client, REG_AVID_START_PIXEL_MSB, value); |
| 396 | dump_reg(decoder->client, REG_AVID_STOP_PIXEL_LSB, value); |
| 397 | dump_reg(decoder->client, REG_AVID_STOP_PIXEL_MSB, value); |
| 398 | dump_reg(decoder->client, REG_HSYNC_START_PIXEL_LSB, value); |
| 399 | dump_reg(decoder->client, REG_HSYNC_START_PIXEL_MSB, value); |
| 400 | dump_reg(decoder->client, REG_HSYNC_STOP_PIXEL_LSB, value); |
| 401 | dump_reg(decoder->client, REG_HSYNC_STOP_PIXEL_MSB, value); |
| 402 | dump_reg(decoder->client, REG_VSYNC_START_LINE_LSB, value); |
| 403 | dump_reg(decoder->client, REG_VSYNC_START_LINE_MSB, value); |
| 404 | dump_reg(decoder->client, REG_VSYNC_STOP_LINE_LSB, value); |
| 405 | dump_reg(decoder->client, REG_VSYNC_STOP_LINE_MSB, value); |
| 406 | dump_reg(decoder->client, REG_VBLK_START_LINE_LSB, value); |
| 407 | dump_reg(decoder->client, REG_VBLK_START_LINE_MSB, value); |
| 408 | dump_reg(decoder->client, REG_VBLK_STOP_LINE_LSB, value); |
| 409 | dump_reg(decoder->client, REG_VBLK_STOP_LINE_MSB, value); |
| 410 | dump_reg(decoder->client, REG_SYNC_CONTROL, value); |
| 411 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER1, value); |
| 412 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER2, value); |
| 413 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER3, value); |
| 414 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER4, value); |
| 415 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER5, value); |
| 416 | dump_reg(decoder->client, REG_OUTPUT_FORMATTER6, value); |
| 417 | dump_reg(decoder->client, REG_CLEAR_LOST_LOCK, value); |
| 418 | } |
| 419 | |
| 420 | /* |
| 421 | * Configure the TVP5146/47 with the current register settings |
| 422 | * Returns zero if successful, or non-zero otherwise. |
| 423 | */ |
| 424 | static int tvp514x_configure(struct tvp514x_decoder *decoder) |
| 425 | { |
| 426 | int err; |
| 427 | |
| 428 | /* common register initialization */ |
| 429 | err = |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 430 | tvp514x_write_regs(decoder->client, decoder->tvp514x_regs); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 431 | if (err) |
| 432 | return err; |
| 433 | |
| 434 | if (debug) |
| 435 | tvp514x_reg_dump(decoder); |
| 436 | |
| 437 | return 0; |
| 438 | } |
| 439 | |
| 440 | /* |
| 441 | * Detect if an tvp514x is present, and if so which revision. |
| 442 | * A device is considered to be detected if the chip ID (LSB and MSB) |
| 443 | * registers match the expected values. |
| 444 | * Any value of the rom version register is accepted. |
| 445 | * Returns ENODEV error number if no device is detected, or zero |
| 446 | * if a device is detected. |
| 447 | */ |
| 448 | static int tvp514x_detect(struct tvp514x_decoder *decoder) |
| 449 | { |
| 450 | u8 chip_id_msb, chip_id_lsb, rom_ver; |
| 451 | |
| 452 | chip_id_msb = tvp514x_read_reg(decoder->client, REG_CHIP_ID_MSB); |
| 453 | chip_id_lsb = tvp514x_read_reg(decoder->client, REG_CHIP_ID_LSB); |
| 454 | rom_ver = tvp514x_read_reg(decoder->client, REG_ROM_VERSION); |
| 455 | |
| 456 | v4l_dbg(1, debug, decoder->client, |
| 457 | "chip id detected msb:0x%x lsb:0x%x rom version:0x%x\n", |
| 458 | chip_id_msb, chip_id_lsb, rom_ver); |
| 459 | if ((chip_id_msb != TVP514X_CHIP_ID_MSB) |
| 460 | || ((chip_id_lsb != TVP5146_CHIP_ID_LSB) |
| 461 | && (chip_id_lsb != TVP5147_CHIP_ID_LSB))) { |
| 462 | /* We didn't read the values we expected, so this must not be |
| 463 | * an TVP5146/47. |
| 464 | */ |
| 465 | v4l_err(decoder->client, |
| 466 | "chip id mismatch msb:0x%x lsb:0x%x\n", |
| 467 | chip_id_msb, chip_id_lsb); |
| 468 | return -ENODEV; |
| 469 | } |
| 470 | |
| 471 | decoder->ver = rom_ver; |
| 472 | decoder->state = STATE_DETECTED; |
| 473 | |
| 474 | v4l_info(decoder->client, |
| 475 | "%s found at 0x%x (%s)\n", decoder->client->name, |
| 476 | decoder->client->addr << 1, |
| 477 | decoder->client->adapter->name); |
| 478 | return 0; |
| 479 | } |
| 480 | |
| 481 | /* |
| 482 | * Following are decoder interface functions implemented by |
| 483 | * TVP5146/47 decoder driver. |
| 484 | */ |
| 485 | |
| 486 | /** |
| 487 | * ioctl_querystd - V4L2 decoder interface handler for VIDIOC_QUERYSTD ioctl |
| 488 | * @s: pointer to standard V4L2 device structure |
| 489 | * @std_id: standard V4L2 std_id ioctl enum |
| 490 | * |
| 491 | * Returns the current standard detected by TVP5146/47. If no active input is |
| 492 | * detected, returns -EINVAL |
| 493 | */ |
| 494 | static int ioctl_querystd(struct v4l2_int_device *s, v4l2_std_id *std_id) |
| 495 | { |
| 496 | struct tvp514x_decoder *decoder = s->priv; |
| 497 | enum tvp514x_std current_std; |
| 498 | enum tvp514x_input input_sel; |
| 499 | u8 sync_lock_status, lock_mask; |
| 500 | |
| 501 | if (std_id == NULL) |
| 502 | return -EINVAL; |
| 503 | |
| 504 | /* get the current standard */ |
| 505 | current_std = tvp514x_get_current_std(decoder); |
| 506 | if (current_std == STD_INVALID) |
| 507 | return -EINVAL; |
| 508 | |
| 509 | input_sel = decoder->route.input; |
| 510 | |
| 511 | switch (input_sel) { |
| 512 | case INPUT_CVBS_VI1A: |
| 513 | case INPUT_CVBS_VI1B: |
| 514 | case INPUT_CVBS_VI1C: |
| 515 | case INPUT_CVBS_VI2A: |
| 516 | case INPUT_CVBS_VI2B: |
| 517 | case INPUT_CVBS_VI2C: |
| 518 | case INPUT_CVBS_VI3A: |
| 519 | case INPUT_CVBS_VI3B: |
| 520 | case INPUT_CVBS_VI3C: |
| 521 | case INPUT_CVBS_VI4A: |
| 522 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | |
| 523 | STATUS_HORZ_SYNC_LOCK_BIT | |
| 524 | STATUS_VIRT_SYNC_LOCK_BIT; |
| 525 | break; |
| 526 | |
| 527 | case INPUT_SVIDEO_VI2A_VI1A: |
| 528 | case INPUT_SVIDEO_VI2B_VI1B: |
| 529 | case INPUT_SVIDEO_VI2C_VI1C: |
| 530 | case INPUT_SVIDEO_VI2A_VI3A: |
| 531 | case INPUT_SVIDEO_VI2B_VI3B: |
| 532 | case INPUT_SVIDEO_VI2C_VI3C: |
| 533 | case INPUT_SVIDEO_VI4A_VI1A: |
| 534 | case INPUT_SVIDEO_VI4A_VI1B: |
| 535 | case INPUT_SVIDEO_VI4A_VI1C: |
| 536 | case INPUT_SVIDEO_VI4A_VI3A: |
| 537 | case INPUT_SVIDEO_VI4A_VI3B: |
| 538 | case INPUT_SVIDEO_VI4A_VI3C: |
| 539 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | |
| 540 | STATUS_VIRT_SYNC_LOCK_BIT; |
| 541 | break; |
| 542 | /*Need to add other interfaces*/ |
| 543 | default: |
| 544 | return -EINVAL; |
| 545 | } |
| 546 | /* check whether signal is locked */ |
| 547 | sync_lock_status = tvp514x_read_reg(decoder->client, REG_STATUS1); |
| 548 | if (lock_mask != (sync_lock_status & lock_mask)) |
| 549 | return -EINVAL; /* No input detected */ |
| 550 | |
| 551 | decoder->current_std = current_std; |
| 552 | *std_id = decoder->std_list[current_std].standard.id; |
| 553 | |
| 554 | v4l_dbg(1, debug, decoder->client, "Current STD: %s", |
| 555 | decoder->std_list[current_std].standard.name); |
| 556 | return 0; |
| 557 | } |
| 558 | |
| 559 | /** |
| 560 | * ioctl_s_std - V4L2 decoder interface handler for VIDIOC_S_STD ioctl |
| 561 | * @s: pointer to standard V4L2 device structure |
| 562 | * @std_id: standard V4L2 v4l2_std_id ioctl enum |
| 563 | * |
| 564 | * If std_id is supported, sets the requested standard. Otherwise, returns |
| 565 | * -EINVAL |
| 566 | */ |
| 567 | static int ioctl_s_std(struct v4l2_int_device *s, v4l2_std_id *std_id) |
| 568 | { |
| 569 | struct tvp514x_decoder *decoder = s->priv; |
| 570 | int err, i; |
| 571 | |
| 572 | if (std_id == NULL) |
| 573 | return -EINVAL; |
| 574 | |
| 575 | for (i = 0; i < decoder->num_stds; i++) |
| 576 | if (*std_id & decoder->std_list[i].standard.id) |
| 577 | break; |
| 578 | |
| 579 | if ((i == decoder->num_stds) || (i == STD_INVALID)) |
| 580 | return -EINVAL; |
| 581 | |
| 582 | err = tvp514x_write_reg(decoder->client, REG_VIDEO_STD, |
| 583 | decoder->std_list[i].video_std); |
| 584 | if (err) |
| 585 | return err; |
| 586 | |
| 587 | decoder->current_std = i; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 588 | decoder->tvp514x_regs[REG_VIDEO_STD].val = |
| 589 | decoder->std_list[i].video_std; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 590 | |
| 591 | v4l_dbg(1, debug, decoder->client, "Standard set to: %s", |
| 592 | decoder->std_list[i].standard.name); |
| 593 | return 0; |
| 594 | } |
| 595 | |
| 596 | /** |
| 597 | * ioctl_s_routing - V4L2 decoder interface handler for VIDIOC_S_INPUT ioctl |
| 598 | * @s: pointer to standard V4L2 device structure |
| 599 | * @index: number of the input |
| 600 | * |
| 601 | * If index is valid, selects the requested input. Otherwise, returns -EINVAL if |
| 602 | * the input is not supported or there is no active signal present in the |
| 603 | * selected input. |
| 604 | */ |
| 605 | static int ioctl_s_routing(struct v4l2_int_device *s, |
| 606 | struct v4l2_routing *route) |
| 607 | { |
| 608 | struct tvp514x_decoder *decoder = s->priv; |
| 609 | int err; |
| 610 | enum tvp514x_input input_sel; |
| 611 | enum tvp514x_output output_sel; |
| 612 | enum tvp514x_std current_std = STD_INVALID; |
| 613 | u8 sync_lock_status, lock_mask; |
| 614 | int try_count = LOCK_RETRY_COUNT; |
| 615 | |
| 616 | if ((!route) || (route->input >= INPUT_INVALID) || |
| 617 | (route->output >= OUTPUT_INVALID)) |
| 618 | return -EINVAL; /* Index out of bound */ |
| 619 | |
| 620 | input_sel = route->input; |
| 621 | output_sel = route->output; |
| 622 | |
| 623 | err = tvp514x_write_reg(decoder->client, REG_INPUT_SEL, input_sel); |
| 624 | if (err) |
| 625 | return err; |
| 626 | |
| 627 | output_sel |= tvp514x_read_reg(decoder->client, |
| 628 | REG_OUTPUT_FORMATTER1) & 0x7; |
| 629 | err = tvp514x_write_reg(decoder->client, REG_OUTPUT_FORMATTER1, |
| 630 | output_sel); |
| 631 | if (err) |
| 632 | return err; |
| 633 | |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 634 | decoder->tvp514x_regs[REG_INPUT_SEL].val = input_sel; |
| 635 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER1].val = output_sel; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 636 | |
| 637 | /* Clear status */ |
| 638 | msleep(LOCK_RETRY_DELAY); |
| 639 | err = |
| 640 | tvp514x_write_reg(decoder->client, REG_CLEAR_LOST_LOCK, 0x01); |
| 641 | if (err) |
| 642 | return err; |
| 643 | |
| 644 | switch (input_sel) { |
| 645 | case INPUT_CVBS_VI1A: |
| 646 | case INPUT_CVBS_VI1B: |
| 647 | case INPUT_CVBS_VI1C: |
| 648 | case INPUT_CVBS_VI2A: |
| 649 | case INPUT_CVBS_VI2B: |
| 650 | case INPUT_CVBS_VI2C: |
| 651 | case INPUT_CVBS_VI3A: |
| 652 | case INPUT_CVBS_VI3B: |
| 653 | case INPUT_CVBS_VI3C: |
| 654 | case INPUT_CVBS_VI4A: |
| 655 | lock_mask = STATUS_CLR_SUBCAR_LOCK_BIT | |
| 656 | STATUS_HORZ_SYNC_LOCK_BIT | |
| 657 | STATUS_VIRT_SYNC_LOCK_BIT; |
| 658 | break; |
| 659 | |
| 660 | case INPUT_SVIDEO_VI2A_VI1A: |
| 661 | case INPUT_SVIDEO_VI2B_VI1B: |
| 662 | case INPUT_SVIDEO_VI2C_VI1C: |
| 663 | case INPUT_SVIDEO_VI2A_VI3A: |
| 664 | case INPUT_SVIDEO_VI2B_VI3B: |
| 665 | case INPUT_SVIDEO_VI2C_VI3C: |
| 666 | case INPUT_SVIDEO_VI4A_VI1A: |
| 667 | case INPUT_SVIDEO_VI4A_VI1B: |
| 668 | case INPUT_SVIDEO_VI4A_VI1C: |
| 669 | case INPUT_SVIDEO_VI4A_VI3A: |
| 670 | case INPUT_SVIDEO_VI4A_VI3B: |
| 671 | case INPUT_SVIDEO_VI4A_VI3C: |
| 672 | lock_mask = STATUS_HORZ_SYNC_LOCK_BIT | |
| 673 | STATUS_VIRT_SYNC_LOCK_BIT; |
| 674 | break; |
| 675 | /*Need to add other interfaces*/ |
| 676 | default: |
| 677 | return -EINVAL; |
| 678 | } |
| 679 | |
| 680 | while (try_count-- > 0) { |
| 681 | /* Allow decoder to sync up with new input */ |
| 682 | msleep(LOCK_RETRY_DELAY); |
| 683 | |
| 684 | /* get the current standard for future reference */ |
| 685 | current_std = tvp514x_get_current_std(decoder); |
| 686 | if (current_std == STD_INVALID) |
| 687 | continue; |
| 688 | |
| 689 | sync_lock_status = tvp514x_read_reg(decoder->client, |
| 690 | REG_STATUS1); |
| 691 | if (lock_mask == (sync_lock_status & lock_mask)) |
| 692 | break; /* Input detected */ |
| 693 | } |
| 694 | |
Roel Kluin | 76b0811 | 2009-06-11 11:28:17 -0300 | [diff] [blame] | 695 | if ((current_std == STD_INVALID) || (try_count < 0)) |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 696 | return -EINVAL; |
| 697 | |
| 698 | decoder->current_std = current_std; |
| 699 | decoder->route.input = route->input; |
| 700 | decoder->route.output = route->output; |
| 701 | |
| 702 | v4l_dbg(1, debug, decoder->client, |
| 703 | "Input set to: %d, std : %d", |
| 704 | input_sel, current_std); |
| 705 | |
| 706 | return 0; |
| 707 | } |
| 708 | |
| 709 | /** |
| 710 | * ioctl_queryctrl - V4L2 decoder interface handler for VIDIOC_QUERYCTRL ioctl |
| 711 | * @s: pointer to standard V4L2 device structure |
| 712 | * @qctrl: standard V4L2 v4l2_queryctrl structure |
| 713 | * |
| 714 | * If the requested control is supported, returns the control information. |
| 715 | * Otherwise, returns -EINVAL if the control is not supported. |
| 716 | */ |
| 717 | static int |
| 718 | ioctl_queryctrl(struct v4l2_int_device *s, struct v4l2_queryctrl *qctrl) |
| 719 | { |
| 720 | struct tvp514x_decoder *decoder = s->priv; |
| 721 | int err = -EINVAL; |
| 722 | |
| 723 | if (qctrl == NULL) |
| 724 | return err; |
| 725 | |
| 726 | switch (qctrl->id) { |
| 727 | case V4L2_CID_BRIGHTNESS: |
Hans Verkuil | 10afbef | 2009-02-21 18:47:24 -0300 | [diff] [blame] | 728 | /* Brightness supported is (0-255), |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 729 | */ |
Hans Verkuil | 10afbef | 2009-02-21 18:47:24 -0300 | [diff] [blame] | 730 | err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 731 | break; |
| 732 | case V4L2_CID_CONTRAST: |
| 733 | case V4L2_CID_SATURATION: |
| 734 | /* Saturation and Contrast supported is - |
| 735 | * Contrast: 0 - 255 (Default - 128) |
| 736 | * Saturation: 0 - 255 (Default - 128) |
| 737 | */ |
| 738 | err = v4l2_ctrl_query_fill(qctrl, 0, 255, 1, 128); |
| 739 | break; |
| 740 | case V4L2_CID_HUE: |
| 741 | /* Hue Supported is - |
| 742 | * Hue - -180 - +180 (Default - 0, Step - +180) |
| 743 | */ |
| 744 | err = v4l2_ctrl_query_fill(qctrl, -180, 180, 180, 0); |
| 745 | break; |
| 746 | case V4L2_CID_AUTOGAIN: |
| 747 | /* Autogain is either 0 or 1*/ |
| 748 | memcpy(qctrl, &tvp514x_autogain_ctrl, |
| 749 | sizeof(struct v4l2_queryctrl)); |
| 750 | err = 0; |
| 751 | break; |
| 752 | default: |
| 753 | v4l_err(decoder->client, |
| 754 | "invalid control id %d\n", qctrl->id); |
| 755 | return err; |
| 756 | } |
| 757 | |
| 758 | v4l_dbg(1, debug, decoder->client, |
| 759 | "Query Control: %s : Min - %d, Max - %d, Def - %d", |
| 760 | qctrl->name, |
| 761 | qctrl->minimum, |
| 762 | qctrl->maximum, |
| 763 | qctrl->default_value); |
| 764 | |
| 765 | return err; |
| 766 | } |
| 767 | |
| 768 | /** |
| 769 | * ioctl_g_ctrl - V4L2 decoder interface handler for VIDIOC_G_CTRL ioctl |
| 770 | * @s: pointer to standard V4L2 device structure |
| 771 | * @ctrl: pointer to v4l2_control structure |
| 772 | * |
| 773 | * If the requested control is supported, returns the control's current |
| 774 | * value from the decoder. Otherwise, returns -EINVAL if the control is not |
| 775 | * supported. |
| 776 | */ |
| 777 | static int |
| 778 | ioctl_g_ctrl(struct v4l2_int_device *s, struct v4l2_control *ctrl) |
| 779 | { |
| 780 | struct tvp514x_decoder *decoder = s->priv; |
| 781 | |
| 782 | if (ctrl == NULL) |
| 783 | return -EINVAL; |
| 784 | |
| 785 | switch (ctrl->id) { |
| 786 | case V4L2_CID_BRIGHTNESS: |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 787 | ctrl->value = decoder->tvp514x_regs[REG_BRIGHTNESS].val; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 788 | break; |
| 789 | case V4L2_CID_CONTRAST: |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 790 | ctrl->value = decoder->tvp514x_regs[REG_CONTRAST].val; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 791 | break; |
| 792 | case V4L2_CID_SATURATION: |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 793 | ctrl->value = decoder->tvp514x_regs[REG_SATURATION].val; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 794 | break; |
| 795 | case V4L2_CID_HUE: |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 796 | ctrl->value = decoder->tvp514x_regs[REG_HUE].val; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 797 | if (ctrl->value == 0x7F) |
| 798 | ctrl->value = 180; |
| 799 | else if (ctrl->value == 0x80) |
| 800 | ctrl->value = -180; |
| 801 | else |
| 802 | ctrl->value = 0; |
| 803 | |
| 804 | break; |
| 805 | case V4L2_CID_AUTOGAIN: |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 806 | ctrl->value = decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 807 | if ((ctrl->value & 0x3) == 3) |
| 808 | ctrl->value = 1; |
| 809 | else |
| 810 | ctrl->value = 0; |
| 811 | |
| 812 | break; |
| 813 | default: |
| 814 | v4l_err(decoder->client, |
| 815 | "invalid control id %d\n", ctrl->id); |
| 816 | return -EINVAL; |
| 817 | } |
| 818 | |
| 819 | v4l_dbg(1, debug, decoder->client, |
| 820 | "Get Control: ID - %d - %d", |
| 821 | ctrl->id, ctrl->value); |
| 822 | return 0; |
| 823 | } |
| 824 | |
| 825 | /** |
| 826 | * ioctl_s_ctrl - V4L2 decoder interface handler for VIDIOC_S_CTRL ioctl |
| 827 | * @s: pointer to standard V4L2 device structure |
| 828 | * @ctrl: pointer to v4l2_control structure |
| 829 | * |
| 830 | * If the requested control is supported, sets the control's current |
| 831 | * value in HW. Otherwise, returns -EINVAL if the control is not supported. |
| 832 | */ |
| 833 | static int |
| 834 | ioctl_s_ctrl(struct v4l2_int_device *s, struct v4l2_control *ctrl) |
| 835 | { |
| 836 | struct tvp514x_decoder *decoder = s->priv; |
| 837 | int err = -EINVAL, value; |
| 838 | |
| 839 | if (ctrl == NULL) |
| 840 | return err; |
| 841 | |
| 842 | value = (__s32) ctrl->value; |
| 843 | |
| 844 | switch (ctrl->id) { |
| 845 | case V4L2_CID_BRIGHTNESS: |
| 846 | if (ctrl->value < 0 || ctrl->value > 255) { |
| 847 | v4l_err(decoder->client, |
| 848 | "invalid brightness setting %d\n", |
| 849 | ctrl->value); |
| 850 | return -ERANGE; |
| 851 | } |
| 852 | err = tvp514x_write_reg(decoder->client, REG_BRIGHTNESS, |
| 853 | value); |
| 854 | if (err) |
| 855 | return err; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 856 | decoder->tvp514x_regs[REG_BRIGHTNESS].val = value; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 857 | break; |
| 858 | case V4L2_CID_CONTRAST: |
| 859 | if (ctrl->value < 0 || ctrl->value > 255) { |
| 860 | v4l_err(decoder->client, |
| 861 | "invalid contrast setting %d\n", |
| 862 | ctrl->value); |
| 863 | return -ERANGE; |
| 864 | } |
| 865 | err = tvp514x_write_reg(decoder->client, REG_CONTRAST, |
| 866 | value); |
| 867 | if (err) |
| 868 | return err; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 869 | decoder->tvp514x_regs[REG_CONTRAST].val = value; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 870 | break; |
| 871 | case V4L2_CID_SATURATION: |
| 872 | if (ctrl->value < 0 || ctrl->value > 255) { |
| 873 | v4l_err(decoder->client, |
| 874 | "invalid saturation setting %d\n", |
| 875 | ctrl->value); |
| 876 | return -ERANGE; |
| 877 | } |
| 878 | err = tvp514x_write_reg(decoder->client, REG_SATURATION, |
| 879 | value); |
| 880 | if (err) |
| 881 | return err; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 882 | decoder->tvp514x_regs[REG_SATURATION].val = value; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 883 | break; |
| 884 | case V4L2_CID_HUE: |
| 885 | if (value == 180) |
| 886 | value = 0x7F; |
| 887 | else if (value == -180) |
| 888 | value = 0x80; |
| 889 | else if (value == 0) |
| 890 | value = 0; |
| 891 | else { |
| 892 | v4l_err(decoder->client, |
| 893 | "invalid hue setting %d\n", |
| 894 | ctrl->value); |
| 895 | return -ERANGE; |
| 896 | } |
| 897 | err = tvp514x_write_reg(decoder->client, REG_HUE, |
| 898 | value); |
| 899 | if (err) |
| 900 | return err; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 901 | decoder->tvp514x_regs[REG_HUE].val = value; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 902 | break; |
| 903 | case V4L2_CID_AUTOGAIN: |
| 904 | if (value == 1) |
| 905 | value = 0x0F; |
| 906 | else if (value == 0) |
| 907 | value = 0x0C; |
| 908 | else { |
| 909 | v4l_err(decoder->client, |
| 910 | "invalid auto gain setting %d\n", |
| 911 | ctrl->value); |
| 912 | return -ERANGE; |
| 913 | } |
| 914 | err = tvp514x_write_reg(decoder->client, REG_AFE_GAIN_CTRL, |
| 915 | value); |
| 916 | if (err) |
| 917 | return err; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 918 | decoder->tvp514x_regs[REG_AFE_GAIN_CTRL].val = value; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 919 | break; |
| 920 | default: |
| 921 | v4l_err(decoder->client, |
| 922 | "invalid control id %d\n", ctrl->id); |
| 923 | return err; |
| 924 | } |
| 925 | |
| 926 | v4l_dbg(1, debug, decoder->client, |
| 927 | "Set Control: ID - %d - %d", |
| 928 | ctrl->id, ctrl->value); |
| 929 | |
| 930 | return err; |
| 931 | } |
| 932 | |
| 933 | /** |
| 934 | * ioctl_enum_fmt_cap - Implement the CAPTURE buffer VIDIOC_ENUM_FMT ioctl |
| 935 | * @s: pointer to standard V4L2 device structure |
| 936 | * @fmt: standard V4L2 VIDIOC_ENUM_FMT ioctl structure |
| 937 | * |
| 938 | * Implement the VIDIOC_ENUM_FMT ioctl to enumerate supported formats |
| 939 | */ |
| 940 | static int |
| 941 | ioctl_enum_fmt_cap(struct v4l2_int_device *s, struct v4l2_fmtdesc *fmt) |
| 942 | { |
| 943 | struct tvp514x_decoder *decoder = s->priv; |
| 944 | int index; |
| 945 | |
| 946 | if (fmt == NULL) |
| 947 | return -EINVAL; |
| 948 | |
| 949 | index = fmt->index; |
| 950 | if ((index >= decoder->num_fmts) || (index < 0)) |
| 951 | return -EINVAL; /* Index out of bound */ |
| 952 | |
| 953 | if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 954 | return -EINVAL; /* only capture is supported */ |
| 955 | |
| 956 | memcpy(fmt, &decoder->fmt_list[index], |
| 957 | sizeof(struct v4l2_fmtdesc)); |
| 958 | |
| 959 | v4l_dbg(1, debug, decoder->client, |
| 960 | "Current FMT: index - %d (%s)", |
| 961 | decoder->fmt_list[index].index, |
| 962 | decoder->fmt_list[index].description); |
| 963 | return 0; |
| 964 | } |
| 965 | |
| 966 | /** |
| 967 | * ioctl_try_fmt_cap - Implement the CAPTURE buffer VIDIOC_TRY_FMT ioctl |
| 968 | * @s: pointer to standard V4L2 device structure |
| 969 | * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure |
| 970 | * |
| 971 | * Implement the VIDIOC_TRY_FMT ioctl for the CAPTURE buffer type. This |
| 972 | * ioctl is used to negotiate the image capture size and pixel format |
| 973 | * without actually making it take effect. |
| 974 | */ |
| 975 | static int |
| 976 | ioctl_try_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f) |
| 977 | { |
| 978 | struct tvp514x_decoder *decoder = s->priv; |
| 979 | int ifmt; |
| 980 | struct v4l2_pix_format *pix; |
| 981 | enum tvp514x_std current_std; |
| 982 | |
| 983 | if (f == NULL) |
| 984 | return -EINVAL; |
| 985 | |
| 986 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 987 | f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 988 | |
| 989 | pix = &f->fmt.pix; |
| 990 | |
| 991 | /* Calculate height and width based on current standard */ |
| 992 | current_std = tvp514x_get_current_std(decoder); |
| 993 | if (current_std == STD_INVALID) |
| 994 | return -EINVAL; |
| 995 | |
| 996 | decoder->current_std = current_std; |
| 997 | pix->width = decoder->std_list[current_std].width; |
| 998 | pix->height = decoder->std_list[current_std].height; |
| 999 | |
| 1000 | for (ifmt = 0; ifmt < decoder->num_fmts; ifmt++) { |
| 1001 | if (pix->pixelformat == |
| 1002 | decoder->fmt_list[ifmt].pixelformat) |
| 1003 | break; |
| 1004 | } |
| 1005 | if (ifmt == decoder->num_fmts) |
| 1006 | ifmt = 0; /* None of the format matched, select default */ |
| 1007 | pix->pixelformat = decoder->fmt_list[ifmt].pixelformat; |
| 1008 | |
| 1009 | pix->field = V4L2_FIELD_INTERLACED; |
| 1010 | pix->bytesperline = pix->width * 2; |
| 1011 | pix->sizeimage = pix->bytesperline * pix->height; |
| 1012 | pix->colorspace = V4L2_COLORSPACE_SMPTE170M; |
| 1013 | pix->priv = 0; |
| 1014 | |
| 1015 | v4l_dbg(1, debug, decoder->client, |
| 1016 | "Try FMT: pixelformat - %s, bytesperline - %d" |
| 1017 | "Width - %d, Height - %d", |
| 1018 | decoder->fmt_list[ifmt].description, pix->bytesperline, |
| 1019 | pix->width, pix->height); |
| 1020 | return 0; |
| 1021 | } |
| 1022 | |
| 1023 | /** |
| 1024 | * ioctl_s_fmt_cap - V4L2 decoder interface handler for VIDIOC_S_FMT ioctl |
| 1025 | * @s: pointer to standard V4L2 device structure |
| 1026 | * @f: pointer to standard V4L2 VIDIOC_S_FMT ioctl structure |
| 1027 | * |
| 1028 | * If the requested format is supported, configures the HW to use that |
| 1029 | * format, returns error code if format not supported or HW can't be |
| 1030 | * correctly configured. |
| 1031 | */ |
| 1032 | static int |
| 1033 | ioctl_s_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f) |
| 1034 | { |
| 1035 | struct tvp514x_decoder *decoder = s->priv; |
| 1036 | struct v4l2_pix_format *pix; |
| 1037 | int rval; |
| 1038 | |
| 1039 | if (f == NULL) |
| 1040 | return -EINVAL; |
| 1041 | |
| 1042 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1043 | return -EINVAL; /* only capture is supported */ |
| 1044 | |
| 1045 | pix = &f->fmt.pix; |
| 1046 | rval = ioctl_try_fmt_cap(s, f); |
| 1047 | if (rval) |
| 1048 | return rval; |
| 1049 | |
| 1050 | decoder->pix = *pix; |
| 1051 | |
| 1052 | return rval; |
| 1053 | } |
| 1054 | |
| 1055 | /** |
| 1056 | * ioctl_g_fmt_cap - V4L2 decoder interface handler for ioctl_g_fmt_cap |
| 1057 | * @s: pointer to standard V4L2 device structure |
| 1058 | * @f: pointer to standard V4L2 v4l2_format structure |
| 1059 | * |
| 1060 | * Returns the decoder's current pixel format in the v4l2_format |
| 1061 | * parameter. |
| 1062 | */ |
| 1063 | static int |
| 1064 | ioctl_g_fmt_cap(struct v4l2_int_device *s, struct v4l2_format *f) |
| 1065 | { |
| 1066 | struct tvp514x_decoder *decoder = s->priv; |
| 1067 | |
| 1068 | if (f == NULL) |
| 1069 | return -EINVAL; |
| 1070 | |
| 1071 | if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1072 | return -EINVAL; /* only capture is supported */ |
| 1073 | |
| 1074 | f->fmt.pix = decoder->pix; |
| 1075 | |
| 1076 | v4l_dbg(1, debug, decoder->client, |
| 1077 | "Current FMT: bytesperline - %d" |
| 1078 | "Width - %d, Height - %d", |
| 1079 | decoder->pix.bytesperline, |
| 1080 | decoder->pix.width, decoder->pix.height); |
| 1081 | return 0; |
| 1082 | } |
| 1083 | |
| 1084 | /** |
| 1085 | * ioctl_g_parm - V4L2 decoder interface handler for VIDIOC_G_PARM ioctl |
| 1086 | * @s: pointer to standard V4L2 device structure |
| 1087 | * @a: pointer to standard V4L2 VIDIOC_G_PARM ioctl structure |
| 1088 | * |
| 1089 | * Returns the decoder's video CAPTURE parameters. |
| 1090 | */ |
| 1091 | static int |
| 1092 | ioctl_g_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a) |
| 1093 | { |
| 1094 | struct tvp514x_decoder *decoder = s->priv; |
| 1095 | struct v4l2_captureparm *cparm; |
| 1096 | enum tvp514x_std current_std; |
| 1097 | |
| 1098 | if (a == NULL) |
| 1099 | return -EINVAL; |
| 1100 | |
| 1101 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1102 | return -EINVAL; /* only capture is supported */ |
| 1103 | |
| 1104 | memset(a, 0, sizeof(*a)); |
| 1105 | a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1106 | |
| 1107 | /* get the current standard */ |
| 1108 | current_std = tvp514x_get_current_std(decoder); |
| 1109 | if (current_std == STD_INVALID) |
| 1110 | return -EINVAL; |
| 1111 | |
| 1112 | decoder->current_std = current_std; |
| 1113 | |
| 1114 | cparm = &a->parm.capture; |
| 1115 | cparm->capability = V4L2_CAP_TIMEPERFRAME; |
| 1116 | cparm->timeperframe = |
| 1117 | decoder->std_list[current_std].standard.frameperiod; |
| 1118 | |
| 1119 | return 0; |
| 1120 | } |
| 1121 | |
| 1122 | /** |
| 1123 | * ioctl_s_parm - V4L2 decoder interface handler for VIDIOC_S_PARM ioctl |
| 1124 | * @s: pointer to standard V4L2 device structure |
| 1125 | * @a: pointer to standard V4L2 VIDIOC_S_PARM ioctl structure |
| 1126 | * |
| 1127 | * Configures the decoder to use the input parameters, if possible. If |
| 1128 | * not possible, returns the appropriate error code. |
| 1129 | */ |
| 1130 | static int |
| 1131 | ioctl_s_parm(struct v4l2_int_device *s, struct v4l2_streamparm *a) |
| 1132 | { |
| 1133 | struct tvp514x_decoder *decoder = s->priv; |
| 1134 | struct v4l2_fract *timeperframe; |
| 1135 | enum tvp514x_std current_std; |
| 1136 | |
| 1137 | if (a == NULL) |
| 1138 | return -EINVAL; |
| 1139 | |
| 1140 | if (a->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
| 1141 | return -EINVAL; /* only capture is supported */ |
| 1142 | |
| 1143 | timeperframe = &a->parm.capture.timeperframe; |
| 1144 | |
| 1145 | /* get the current standard */ |
| 1146 | current_std = tvp514x_get_current_std(decoder); |
| 1147 | if (current_std == STD_INVALID) |
| 1148 | return -EINVAL; |
| 1149 | |
| 1150 | decoder->current_std = current_std; |
| 1151 | |
| 1152 | *timeperframe = |
| 1153 | decoder->std_list[current_std].standard.frameperiod; |
| 1154 | |
| 1155 | return 0; |
| 1156 | } |
| 1157 | |
| 1158 | /** |
| 1159 | * ioctl_g_ifparm - V4L2 decoder interface handler for vidioc_int_g_ifparm_num |
| 1160 | * @s: pointer to standard V4L2 device structure |
| 1161 | * @p: pointer to standard V4L2 vidioc_int_g_ifparm_num ioctl structure |
| 1162 | * |
| 1163 | * Gets slave interface parameters. |
| 1164 | * Calculates the required xclk value to support the requested |
| 1165 | * clock parameters in p. This value is returned in the p |
| 1166 | * parameter. |
| 1167 | */ |
| 1168 | static int ioctl_g_ifparm(struct v4l2_int_device *s, struct v4l2_ifparm *p) |
| 1169 | { |
| 1170 | struct tvp514x_decoder *decoder = s->priv; |
| 1171 | int rval; |
| 1172 | |
| 1173 | if (p == NULL) |
| 1174 | return -EINVAL; |
| 1175 | |
| 1176 | if (NULL == decoder->pdata->ifparm) |
| 1177 | return -EINVAL; |
| 1178 | |
| 1179 | rval = decoder->pdata->ifparm(p); |
| 1180 | if (rval) { |
| 1181 | v4l_err(decoder->client, "g_ifparm.Err[%d]\n", rval); |
| 1182 | return rval; |
| 1183 | } |
| 1184 | |
| 1185 | p->u.bt656.clock_curr = TVP514X_XCLK_BT656; |
| 1186 | |
| 1187 | return 0; |
| 1188 | } |
| 1189 | |
| 1190 | /** |
| 1191 | * ioctl_g_priv - V4L2 decoder interface handler for vidioc_int_g_priv_num |
| 1192 | * @s: pointer to standard V4L2 device structure |
| 1193 | * @p: void pointer to hold decoder's private data address |
| 1194 | * |
| 1195 | * Returns device's (decoder's) private data area address in p parameter |
| 1196 | */ |
| 1197 | static int ioctl_g_priv(struct v4l2_int_device *s, void *p) |
| 1198 | { |
| 1199 | struct tvp514x_decoder *decoder = s->priv; |
| 1200 | |
| 1201 | if (NULL == decoder->pdata->priv_data_set) |
| 1202 | return -EINVAL; |
| 1203 | |
| 1204 | return decoder->pdata->priv_data_set(p); |
| 1205 | } |
| 1206 | |
| 1207 | /** |
| 1208 | * ioctl_s_power - V4L2 decoder interface handler for vidioc_int_s_power_num |
| 1209 | * @s: pointer to standard V4L2 device structure |
| 1210 | * @on: power state to which device is to be set |
| 1211 | * |
| 1212 | * Sets devices power state to requrested state, if possible. |
| 1213 | */ |
| 1214 | static int ioctl_s_power(struct v4l2_int_device *s, enum v4l2_power on) |
| 1215 | { |
| 1216 | struct tvp514x_decoder *decoder = s->priv; |
| 1217 | int err = 0; |
| 1218 | |
| 1219 | switch (on) { |
| 1220 | case V4L2_POWER_OFF: |
| 1221 | /* Power Down Sequence */ |
| 1222 | err = |
| 1223 | tvp514x_write_reg(decoder->client, REG_OPERATION_MODE, |
| 1224 | 0x01); |
| 1225 | /* Disable mux for TVP5146/47 decoder data path */ |
| 1226 | if (decoder->pdata->power_set) |
| 1227 | err |= decoder->pdata->power_set(on); |
| 1228 | decoder->state = STATE_NOT_DETECTED; |
| 1229 | break; |
| 1230 | |
| 1231 | case V4L2_POWER_STANDBY: |
| 1232 | if (decoder->pdata->power_set) |
| 1233 | err = decoder->pdata->power_set(on); |
| 1234 | break; |
| 1235 | |
| 1236 | case V4L2_POWER_ON: |
| 1237 | /* Enable mux for TVP5146/47 decoder data path */ |
| 1238 | if ((decoder->pdata->power_set) && |
| 1239 | (decoder->state == STATE_NOT_DETECTED)) { |
| 1240 | int i; |
| 1241 | struct tvp514x_init_seq *int_seq = |
| 1242 | (struct tvp514x_init_seq *) |
| 1243 | decoder->id->driver_data; |
| 1244 | |
| 1245 | err = decoder->pdata->power_set(on); |
| 1246 | |
| 1247 | /* Power Up Sequence */ |
| 1248 | for (i = 0; i < int_seq->no_regs; i++) { |
| 1249 | err |= tvp514x_write_reg(decoder->client, |
| 1250 | int_seq->init_reg_seq[i].reg, |
| 1251 | int_seq->init_reg_seq[i].val); |
| 1252 | } |
| 1253 | /* Detect the sensor is not already detected */ |
| 1254 | err |= tvp514x_detect(decoder); |
| 1255 | if (err) { |
| 1256 | v4l_err(decoder->client, |
| 1257 | "Unable to detect decoder\n"); |
| 1258 | return err; |
| 1259 | } |
| 1260 | } |
| 1261 | err |= tvp514x_configure(decoder); |
| 1262 | break; |
| 1263 | |
| 1264 | default: |
| 1265 | err = -ENODEV; |
| 1266 | break; |
| 1267 | } |
| 1268 | |
| 1269 | return err; |
| 1270 | } |
| 1271 | |
| 1272 | /** |
| 1273 | * ioctl_init - V4L2 decoder interface handler for VIDIOC_INT_INIT |
| 1274 | * @s: pointer to standard V4L2 device structure |
| 1275 | * |
| 1276 | * Initialize the decoder device (calls tvp514x_configure()) |
| 1277 | */ |
| 1278 | static int ioctl_init(struct v4l2_int_device *s) |
| 1279 | { |
| 1280 | struct tvp514x_decoder *decoder = s->priv; |
| 1281 | |
| 1282 | /* Set default standard to auto */ |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1283 | decoder->tvp514x_regs[REG_VIDEO_STD].val = |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1284 | VIDEO_STD_AUTO_SWITCH_BIT; |
| 1285 | |
| 1286 | return tvp514x_configure(decoder); |
| 1287 | } |
| 1288 | |
| 1289 | /** |
| 1290 | * ioctl_dev_exit - V4L2 decoder interface handler for vidioc_int_dev_exit_num |
| 1291 | * @s: pointer to standard V4L2 device structure |
| 1292 | * |
| 1293 | * Delinitialise the dev. at slave detach. The complement of ioctl_dev_init. |
| 1294 | */ |
| 1295 | static int ioctl_dev_exit(struct v4l2_int_device *s) |
| 1296 | { |
| 1297 | return 0; |
| 1298 | } |
| 1299 | |
| 1300 | /** |
| 1301 | * ioctl_dev_init - V4L2 decoder interface handler for vidioc_int_dev_init_num |
| 1302 | * @s: pointer to standard V4L2 device structure |
| 1303 | * |
| 1304 | * Initialise the device when slave attaches to the master. Returns 0 if |
| 1305 | * TVP5146/47 device could be found, otherwise returns appropriate error. |
| 1306 | */ |
| 1307 | static int ioctl_dev_init(struct v4l2_int_device *s) |
| 1308 | { |
| 1309 | struct tvp514x_decoder *decoder = s->priv; |
| 1310 | int err; |
| 1311 | |
| 1312 | err = tvp514x_detect(decoder); |
| 1313 | if (err < 0) { |
| 1314 | v4l_err(decoder->client, |
| 1315 | "Unable to detect decoder\n"); |
| 1316 | return err; |
| 1317 | } |
| 1318 | |
| 1319 | v4l_info(decoder->client, |
| 1320 | "chip version 0x%.2x detected\n", decoder->ver); |
| 1321 | |
| 1322 | return 0; |
| 1323 | } |
| 1324 | |
| 1325 | static struct v4l2_int_ioctl_desc tvp514x_ioctl_desc[] = { |
| 1326 | {vidioc_int_dev_init_num, (v4l2_int_ioctl_func*) ioctl_dev_init}, |
| 1327 | {vidioc_int_dev_exit_num, (v4l2_int_ioctl_func*) ioctl_dev_exit}, |
| 1328 | {vidioc_int_s_power_num, (v4l2_int_ioctl_func*) ioctl_s_power}, |
| 1329 | {vidioc_int_g_priv_num, (v4l2_int_ioctl_func*) ioctl_g_priv}, |
| 1330 | {vidioc_int_g_ifparm_num, (v4l2_int_ioctl_func*) ioctl_g_ifparm}, |
| 1331 | {vidioc_int_init_num, (v4l2_int_ioctl_func*) ioctl_init}, |
| 1332 | {vidioc_int_enum_fmt_cap_num, |
| 1333 | (v4l2_int_ioctl_func *) ioctl_enum_fmt_cap}, |
| 1334 | {vidioc_int_try_fmt_cap_num, |
| 1335 | (v4l2_int_ioctl_func *) ioctl_try_fmt_cap}, |
| 1336 | {vidioc_int_g_fmt_cap_num, |
| 1337 | (v4l2_int_ioctl_func *) ioctl_g_fmt_cap}, |
| 1338 | {vidioc_int_s_fmt_cap_num, |
| 1339 | (v4l2_int_ioctl_func *) ioctl_s_fmt_cap}, |
| 1340 | {vidioc_int_g_parm_num, (v4l2_int_ioctl_func *) ioctl_g_parm}, |
| 1341 | {vidioc_int_s_parm_num, (v4l2_int_ioctl_func *) ioctl_s_parm}, |
| 1342 | {vidioc_int_queryctrl_num, |
| 1343 | (v4l2_int_ioctl_func *) ioctl_queryctrl}, |
| 1344 | {vidioc_int_g_ctrl_num, (v4l2_int_ioctl_func *) ioctl_g_ctrl}, |
| 1345 | {vidioc_int_s_ctrl_num, (v4l2_int_ioctl_func *) ioctl_s_ctrl}, |
| 1346 | {vidioc_int_querystd_num, (v4l2_int_ioctl_func *) ioctl_querystd}, |
| 1347 | {vidioc_int_s_std_num, (v4l2_int_ioctl_func *) ioctl_s_std}, |
| 1348 | {vidioc_int_s_video_routing_num, |
| 1349 | (v4l2_int_ioctl_func *) ioctl_s_routing}, |
| 1350 | }; |
| 1351 | |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 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), |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1372 | .v4l2_int_device = { |
| 1373 | .module = THIS_MODULE, |
| 1374 | .name = TVP514X_MODULE_NAME, |
| 1375 | .type = v4l2_int_type_slave, |
| 1376 | }, |
| 1377 | .tvp514x_slave = { |
| 1378 | .ioctls = tvp514x_ioctl_desc, |
| 1379 | .num_ioctls = ARRAY_SIZE(tvp514x_ioctl_desc), |
| 1380 | }, |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1381 | }; |
| 1382 | |
| 1383 | /** |
| 1384 | * tvp514x_probe - decoder driver i2c probe handler |
| 1385 | * @client: i2c driver client device structure |
| 1386 | * |
| 1387 | * Register decoder as an i2c client device and V4L2 |
| 1388 | * device. |
| 1389 | */ |
| 1390 | static int |
| 1391 | tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) |
| 1392 | { |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1393 | struct tvp514x_decoder *decoder; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1394 | int err; |
| 1395 | |
| 1396 | /* Check if the adapter supports the needed features */ |
| 1397 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| 1398 | return -EIO; |
| 1399 | |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1400 | decoder = kzalloc(sizeof(*decoder), GFP_KERNEL); |
| 1401 | if (!decoder) |
| 1402 | return -ENOMEM; |
| 1403 | |
| 1404 | if (!client->dev.platform_data) { |
Sebastian Andrzej Siewior | 0c37dd7a | 2009-01-08 12:49:17 -0300 | [diff] [blame] | 1405 | v4l_err(client, "No platform data!!\n"); |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1406 | err = -ENODEV; |
| 1407 | goto out_free; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1408 | } |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1409 | |
| 1410 | *decoder = tvp514x_dev; |
| 1411 | decoder->v4l2_int_device.priv = decoder; |
| 1412 | decoder->pdata = client->dev.platform_data; |
| 1413 | decoder->v4l2_int_device.u.slave = &decoder->tvp514x_slave; |
| 1414 | memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default, |
| 1415 | sizeof(tvp514x_reg_list_default)); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1416 | /* |
| 1417 | * Fetch platform specific data, and configure the |
| 1418 | * tvp514x_reg_list[] accordingly. Since this is one |
| 1419 | * time configuration, no need to preserve. |
| 1420 | */ |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1421 | decoder->tvp514x_regs[REG_OUTPUT_FORMATTER2].val |= |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1422 | (decoder->pdata->clk_polarity << 1); |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1423 | decoder->tvp514x_regs[REG_SYNC_CONTROL].val |= |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1424 | ((decoder->pdata->hs_polarity << 2) | |
| 1425 | (decoder->pdata->vs_polarity << 3)); |
| 1426 | /* |
| 1427 | * Save the id data, required for power up sequence |
| 1428 | */ |
| 1429 | decoder->id = (struct i2c_device_id *)id; |
| 1430 | /* Attach to Master */ |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1431 | strcpy(decoder->v4l2_int_device.u.slave->attach_to, |
| 1432 | decoder->pdata->master); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1433 | decoder->client = client; |
| 1434 | i2c_set_clientdata(client, decoder); |
| 1435 | |
| 1436 | /* Register with V4L2 layer as slave device */ |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1437 | err = v4l2_int_device_register(&decoder->v4l2_int_device); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1438 | if (err) { |
| 1439 | i2c_set_clientdata(client, NULL); |
| 1440 | v4l_err(client, |
| 1441 | "Unable to register to v4l2. Err[%d]\n", err); |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1442 | goto out_free; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1443 | |
| 1444 | } else |
| 1445 | v4l_info(client, "Registered to v4l2 master %s!!\n", |
| 1446 | decoder->pdata->master); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1447 | return 0; |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1448 | |
| 1449 | out_free: |
| 1450 | kfree(decoder); |
| 1451 | return err; |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1452 | } |
| 1453 | |
| 1454 | /** |
| 1455 | * tvp514x_remove - decoder driver i2c remove handler |
| 1456 | * @client: i2c driver client device structure |
| 1457 | * |
| 1458 | * Unregister decoder as an i2c client device and V4L2 |
| 1459 | * device. Complement of tvp514x_probe(). |
| 1460 | */ |
| 1461 | static int __exit tvp514x_remove(struct i2c_client *client) |
| 1462 | { |
| 1463 | struct tvp514x_decoder *decoder = i2c_get_clientdata(client); |
| 1464 | |
| 1465 | if (!client->adapter) |
| 1466 | return -ENODEV; /* our client isn't attached */ |
| 1467 | |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1468 | v4l2_int_device_unregister(&decoder->v4l2_int_device); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1469 | i2c_set_clientdata(client, NULL); |
Sebastian Andrzej Siewior | 6722e0e | 2009-01-12 06:17:43 -0300 | [diff] [blame] | 1470 | kfree(decoder); |
Vaibhav Hiremath | 07b1747 | 2008-12-05 10:19:36 -0300 | [diff] [blame] | 1471 | return 0; |
| 1472 | } |
| 1473 | /* |
| 1474 | * TVP5146 Init/Power on Sequence |
| 1475 | */ |
| 1476 | static const struct tvp514x_reg tvp5146_init_reg_seq[] = { |
| 1477 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, |
| 1478 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, |
| 1479 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, |
| 1480 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, |
| 1481 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, |
| 1482 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, |
| 1483 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, |
| 1484 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, |
| 1485 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, |
| 1486 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, |
| 1487 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
| 1488 | }; |
| 1489 | static const struct tvp514x_init_seq tvp5146_init = { |
| 1490 | .no_regs = ARRAY_SIZE(tvp5146_init_reg_seq), |
| 1491 | .init_reg_seq = tvp5146_init_reg_seq, |
| 1492 | }; |
| 1493 | /* |
| 1494 | * TVP5147 Init/Power on Sequence |
| 1495 | */ |
| 1496 | static const struct tvp514x_reg tvp5147_init_reg_seq[] = { |
| 1497 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x02}, |
| 1498 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, |
| 1499 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0x80}, |
| 1500 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, |
| 1501 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, |
| 1502 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, |
| 1503 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, |
| 1504 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x01}, |
| 1505 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x16}, |
| 1506 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, |
| 1507 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xA0}, |
| 1508 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x16}, |
| 1509 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS1, 0x60}, |
| 1510 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS2, 0x00}, |
| 1511 | {TOK_WRITE, REG_VBUS_ADDRESS_ACCESS3, 0xB0}, |
| 1512 | {TOK_WRITE, REG_VBUS_DATA_ACCESS_NO_VBUS_ADDR_INCR, 0x00}, |
| 1513 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, |
| 1514 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
| 1515 | }; |
| 1516 | static const struct tvp514x_init_seq tvp5147_init = { |
| 1517 | .no_regs = ARRAY_SIZE(tvp5147_init_reg_seq), |
| 1518 | .init_reg_seq = tvp5147_init_reg_seq, |
| 1519 | }; |
| 1520 | /* |
| 1521 | * TVP5146M2/TVP5147M1 Init/Power on Sequence |
| 1522 | */ |
| 1523 | static const struct tvp514x_reg tvp514xm_init_reg_seq[] = { |
| 1524 | {TOK_WRITE, REG_OPERATION_MODE, 0x01}, |
| 1525 | {TOK_WRITE, REG_OPERATION_MODE, 0x00}, |
| 1526 | }; |
| 1527 | static const struct tvp514x_init_seq tvp514xm_init = { |
| 1528 | .no_regs = ARRAY_SIZE(tvp514xm_init_reg_seq), |
| 1529 | .init_reg_seq = tvp514xm_init_reg_seq, |
| 1530 | }; |
| 1531 | /* |
| 1532 | * I2C Device Table - |
| 1533 | * |
| 1534 | * name - Name of the actual device/chip. |
| 1535 | * driver_data - Driver data |
| 1536 | */ |
| 1537 | static const struct i2c_device_id tvp514x_id[] = { |
| 1538 | {"tvp5146", (unsigned long)&tvp5146_init}, |
| 1539 | {"tvp5146m2", (unsigned long)&tvp514xm_init}, |
| 1540 | {"tvp5147", (unsigned long)&tvp5147_init}, |
| 1541 | {"tvp5147m1", (unsigned long)&tvp514xm_init}, |
| 1542 | {}, |
| 1543 | }; |
| 1544 | |
| 1545 | MODULE_DEVICE_TABLE(i2c, tvp514x_id); |
| 1546 | |
| 1547 | static struct i2c_driver tvp514x_i2c_driver = { |
| 1548 | .driver = { |
| 1549 | .name = TVP514X_MODULE_NAME, |
| 1550 | .owner = THIS_MODULE, |
| 1551 | }, |
| 1552 | .probe = tvp514x_probe, |
| 1553 | .remove = __exit_p(tvp514x_remove), |
| 1554 | .id_table = tvp514x_id, |
| 1555 | }; |
| 1556 | |
| 1557 | /** |
| 1558 | * tvp514x_init |
| 1559 | * |
| 1560 | * Module init function |
| 1561 | */ |
| 1562 | static int __init tvp514x_init(void) |
| 1563 | { |
| 1564 | return i2c_add_driver(&tvp514x_i2c_driver); |
| 1565 | } |
| 1566 | |
| 1567 | /** |
| 1568 | * tvp514x_cleanup |
| 1569 | * |
| 1570 | * Module exit function |
| 1571 | */ |
| 1572 | static void __exit tvp514x_cleanup(void) |
| 1573 | { |
| 1574 | i2c_del_driver(&tvp514x_i2c_driver); |
| 1575 | } |
| 1576 | |
| 1577 | module_init(tvp514x_init); |
| 1578 | module_exit(tvp514x_cleanup); |
| 1579 | |
| 1580 | MODULE_AUTHOR("Texas Instruments"); |
| 1581 | MODULE_DESCRIPTION("TVP514X linux decoder driver"); |
| 1582 | MODULE_LICENSE("GPL"); |