Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 1 | /* |
| 2 | * adv7343 - ADV7343 Video Encoder Driver |
| 3 | * |
| 4 | * The encoder hardware does not support SECAM. |
| 5 | * |
| 6 | * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License as |
| 10 | * published by the Free Software Foundation version 2. |
| 11 | * |
| 12 | * This program is distributed .as is. WITHOUT ANY WARRANTY of any |
| 13 | * kind, whether express or implied; without even the implied warranty |
| 14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | */ |
| 17 | |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/ctype.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 21 | #include <linux/slab.h> |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 22 | #include <linux/i2c.h> |
| 23 | #include <linux/device.h> |
| 24 | #include <linux/delay.h> |
| 25 | #include <linux/module.h> |
| 26 | #include <linux/videodev2.h> |
| 27 | #include <linux/uaccess.h> |
Sachin Kamat | 5cc6685 | 2013-10-18 00:07:10 -0300 | [diff] [blame] | 28 | #include <linux/of.h> |
Philipp Zabel | fd9fdb7 | 2014-02-10 22:01:48 +0100 | [diff] [blame] | 29 | #include <linux/of_graph.h> |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 30 | |
Mauro Carvalho Chehab | b5dcee2 | 2015-11-10 12:01:44 -0200 | [diff] [blame] | 31 | #include <media/i2c/adv7343.h> |
Lad, Prabhakar | 6555cfc | 2013-06-22 06:07:37 -0300 | [diff] [blame] | 32 | #include <media/v4l2-async.h> |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 33 | #include <media/v4l2-device.h> |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 34 | #include <media/v4l2-ctrls.h> |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 35 | |
| 36 | #include "adv7343_regs.h" |
| 37 | |
| 38 | MODULE_DESCRIPTION("ADV7343 video encoder driver"); |
| 39 | MODULE_LICENSE("GPL"); |
| 40 | |
| 41 | static int debug; |
| 42 | module_param(debug, int, 0644); |
| 43 | MODULE_PARM_DESC(debug, "Debug level 0-1"); |
| 44 | |
| 45 | struct adv7343_state { |
| 46 | struct v4l2_subdev sd; |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 47 | struct v4l2_ctrl_handler hdl; |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 48 | const struct adv7343_platform_data *pdata; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 49 | u8 reg00; |
| 50 | u8 reg01; |
| 51 | u8 reg02; |
| 52 | u8 reg35; |
| 53 | u8 reg80; |
| 54 | u8 reg82; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 55 | u32 output; |
| 56 | v4l2_std_id std; |
| 57 | }; |
| 58 | |
| 59 | static inline struct adv7343_state *to_state(struct v4l2_subdev *sd) |
| 60 | { |
| 61 | return container_of(sd, struct adv7343_state, sd); |
| 62 | } |
| 63 | |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 64 | static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl) |
| 65 | { |
| 66 | return &container_of(ctrl->handler, struct adv7343_state, hdl)->sd; |
| 67 | } |
| 68 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 69 | static inline int adv7343_write(struct v4l2_subdev *sd, u8 reg, u8 value) |
| 70 | { |
| 71 | struct i2c_client *client = v4l2_get_subdevdata(sd); |
| 72 | |
| 73 | return i2c_smbus_write_byte_data(client, reg, value); |
| 74 | } |
| 75 | |
| 76 | static const u8 adv7343_init_reg_val[] = { |
| 77 | ADV7343_SOFT_RESET, ADV7343_SOFT_RESET_DEFAULT, |
| 78 | ADV7343_POWER_MODE_REG, ADV7343_POWER_MODE_REG_DEFAULT, |
| 79 | |
| 80 | ADV7343_HD_MODE_REG1, ADV7343_HD_MODE_REG1_DEFAULT, |
| 81 | ADV7343_HD_MODE_REG2, ADV7343_HD_MODE_REG2_DEFAULT, |
| 82 | ADV7343_HD_MODE_REG3, ADV7343_HD_MODE_REG3_DEFAULT, |
| 83 | ADV7343_HD_MODE_REG4, ADV7343_HD_MODE_REG4_DEFAULT, |
| 84 | ADV7343_HD_MODE_REG5, ADV7343_HD_MODE_REG5_DEFAULT, |
| 85 | ADV7343_HD_MODE_REG6, ADV7343_HD_MODE_REG6_DEFAULT, |
| 86 | ADV7343_HD_MODE_REG7, ADV7343_HD_MODE_REG7_DEFAULT, |
| 87 | |
| 88 | ADV7343_SD_MODE_REG1, ADV7343_SD_MODE_REG1_DEFAULT, |
| 89 | ADV7343_SD_MODE_REG2, ADV7343_SD_MODE_REG2_DEFAULT, |
| 90 | ADV7343_SD_MODE_REG3, ADV7343_SD_MODE_REG3_DEFAULT, |
| 91 | ADV7343_SD_MODE_REG4, ADV7343_SD_MODE_REG4_DEFAULT, |
| 92 | ADV7343_SD_MODE_REG5, ADV7343_SD_MODE_REG5_DEFAULT, |
| 93 | ADV7343_SD_MODE_REG6, ADV7343_SD_MODE_REG6_DEFAULT, |
| 94 | ADV7343_SD_MODE_REG7, ADV7343_SD_MODE_REG7_DEFAULT, |
| 95 | ADV7343_SD_MODE_REG8, ADV7343_SD_MODE_REG8_DEFAULT, |
| 96 | |
| 97 | ADV7343_SD_HUE_REG, ADV7343_SD_HUE_REG_DEFAULT, |
| 98 | ADV7343_SD_CGMS_WSS0, ADV7343_SD_CGMS_WSS0_DEFAULT, |
| 99 | ADV7343_SD_BRIGHTNESS_WSS, ADV7343_SD_BRIGHTNESS_WSS_DEFAULT, |
| 100 | }; |
| 101 | |
| 102 | /* |
Mauro Carvalho Chehab | 4a3fad7 | 2018-01-04 06:47:28 -0500 | [diff] [blame] | 103 | * 2^32 |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 104 | * FSC(reg) = FSC (HZ) * -------- |
| 105 | * 27000000 |
| 106 | */ |
| 107 | static const struct adv7343_std_info stdinfo[] = { |
| 108 | { |
| 109 | /* FSC(Hz) = 3,579,545.45 Hz */ |
| 110 | SD_STD_NTSC, 569408542, V4L2_STD_NTSC, |
| 111 | }, { |
| 112 | /* FSC(Hz) = 3,575,611.00 Hz */ |
| 113 | SD_STD_PAL_M, 568782678, V4L2_STD_PAL_M, |
| 114 | }, { |
| 115 | /* FSC(Hz) = 3,582,056.00 */ |
| 116 | SD_STD_PAL_N, 569807903, V4L2_STD_PAL_Nc, |
| 117 | }, { |
| 118 | /* FSC(Hz) = 4,433,618.75 Hz */ |
| 119 | SD_STD_PAL_N, 705268427, V4L2_STD_PAL_N, |
| 120 | }, { |
| 121 | /* FSC(Hz) = 4,433,618.75 Hz */ |
| 122 | SD_STD_PAL_BDGHI, 705268427, V4L2_STD_PAL, |
| 123 | }, { |
| 124 | /* FSC(Hz) = 4,433,618.75 Hz */ |
| 125 | SD_STD_NTSC, 705268427, V4L2_STD_NTSC_443, |
| 126 | }, { |
| 127 | /* FSC(Hz) = 4,433,618.75 Hz */ |
| 128 | SD_STD_PAL_M, 705268427, V4L2_STD_PAL_60, |
| 129 | }, |
| 130 | }; |
| 131 | |
| 132 | static int adv7343_setstd(struct v4l2_subdev *sd, v4l2_std_id std) |
| 133 | { |
| 134 | struct adv7343_state *state = to_state(sd); |
| 135 | struct adv7343_std_info *std_info; |
Hans Verkuil | 8173090 | 2012-04-20 07:30:48 -0300 | [diff] [blame] | 136 | int num_std; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 137 | char *fsc_ptr; |
| 138 | u8 reg, val; |
| 139 | int err = 0; |
| 140 | int i = 0; |
| 141 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 142 | std_info = (struct adv7343_std_info *)stdinfo; |
| 143 | num_std = ARRAY_SIZE(stdinfo); |
| 144 | |
| 145 | for (i = 0; i < num_std; i++) { |
| 146 | if (std_info[i].stdid & std) |
| 147 | break; |
| 148 | } |
| 149 | |
| 150 | if (i == num_std) { |
| 151 | v4l2_dbg(1, debug, sd, |
| 152 | "Invalid std or std is not supported: %llx\n", |
| 153 | (unsigned long long)std); |
| 154 | return -EINVAL; |
| 155 | } |
| 156 | |
| 157 | /* Set the standard */ |
| 158 | val = state->reg80 & (~(SD_STD_MASK)); |
| 159 | val |= std_info[i].standard_val3; |
| 160 | err = adv7343_write(sd, ADV7343_SD_MODE_REG1, val); |
| 161 | if (err < 0) |
| 162 | goto setstd_exit; |
| 163 | |
| 164 | state->reg80 = val; |
| 165 | |
| 166 | /* Configure the input mode register */ |
| 167 | val = state->reg01 & (~((u8) INPUT_MODE_MASK)); |
| 168 | val |= SD_INPUT_MODE; |
| 169 | err = adv7343_write(sd, ADV7343_MODE_SELECT_REG, val); |
| 170 | if (err < 0) |
| 171 | goto setstd_exit; |
| 172 | |
| 173 | state->reg01 = val; |
| 174 | |
| 175 | /* Program the sub carrier frequency registers */ |
| 176 | fsc_ptr = (unsigned char *)&std_info[i].fsc_val; |
| 177 | reg = ADV7343_FSC_REG0; |
| 178 | for (i = 0; i < 4; i++, reg++, fsc_ptr++) { |
| 179 | err = adv7343_write(sd, reg, *fsc_ptr); |
| 180 | if (err < 0) |
| 181 | goto setstd_exit; |
| 182 | } |
| 183 | |
| 184 | val = state->reg80; |
| 185 | |
| 186 | /* Filter settings */ |
| 187 | if (std & (V4L2_STD_NTSC | V4L2_STD_NTSC_443)) |
| 188 | val &= 0x03; |
| 189 | else if (std & ~V4L2_STD_SECAM) |
| 190 | val |= 0x04; |
| 191 | |
| 192 | err = adv7343_write(sd, ADV7343_SD_MODE_REG1, val); |
| 193 | if (err < 0) |
| 194 | goto setstd_exit; |
| 195 | |
| 196 | state->reg80 = val; |
| 197 | |
| 198 | setstd_exit: |
| 199 | if (err != 0) |
| 200 | v4l2_err(sd, "Error setting std, write failed\n"); |
| 201 | |
| 202 | return err; |
| 203 | } |
| 204 | |
| 205 | static int adv7343_setoutput(struct v4l2_subdev *sd, u32 output_type) |
| 206 | { |
| 207 | struct adv7343_state *state = to_state(sd); |
| 208 | unsigned char val; |
| 209 | int err = 0; |
| 210 | |
| 211 | if (output_type > ADV7343_SVIDEO_ID) { |
| 212 | v4l2_dbg(1, debug, sd, |
| 213 | "Invalid output type or output type not supported:%d\n", |
| 214 | output_type); |
| 215 | return -EINVAL; |
| 216 | } |
| 217 | |
| 218 | /* Enable Appropriate DAC */ |
| 219 | val = state->reg00 & 0x03; |
| 220 | |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 221 | /* configure default configuration */ |
| 222 | if (!state->pdata) |
| 223 | if (output_type == ADV7343_COMPOSITE_ID) |
| 224 | val |= ADV7343_COMPOSITE_POWER_VALUE; |
| 225 | else if (output_type == ADV7343_COMPONENT_ID) |
| 226 | val |= ADV7343_COMPONENT_POWER_VALUE; |
| 227 | else |
| 228 | val |= ADV7343_SVIDEO_POWER_VALUE; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 229 | else |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 230 | val = state->pdata->mode_config.sleep_mode << 0 | |
| 231 | state->pdata->mode_config.pll_control << 1 | |
Lad, Prabhakar | 5e95814 | 2013-07-20 02:21:05 -0300 | [diff] [blame] | 232 | state->pdata->mode_config.dac[2] << 2 | |
| 233 | state->pdata->mode_config.dac[1] << 3 | |
| 234 | state->pdata->mode_config.dac[0] << 4 | |
| 235 | state->pdata->mode_config.dac[5] << 5 | |
| 236 | state->pdata->mode_config.dac[4] << 6 | |
| 237 | state->pdata->mode_config.dac[3] << 7; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 238 | |
| 239 | err = adv7343_write(sd, ADV7343_POWER_MODE_REG, val); |
| 240 | if (err < 0) |
| 241 | goto setoutput_exit; |
| 242 | |
| 243 | state->reg00 = val; |
| 244 | |
| 245 | /* Enable YUV output */ |
| 246 | val = state->reg02 | YUV_OUTPUT_SELECT; |
| 247 | err = adv7343_write(sd, ADV7343_MODE_REG0, val); |
| 248 | if (err < 0) |
| 249 | goto setoutput_exit; |
| 250 | |
| 251 | state->reg02 = val; |
| 252 | |
| 253 | /* configure SD DAC Output 2 and SD DAC Output 1 bit to zero */ |
| 254 | val = state->reg82 & (SD_DAC_1_DI & SD_DAC_2_DI); |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 255 | |
Lad, Prabhakar | 5e95814 | 2013-07-20 02:21:05 -0300 | [diff] [blame] | 256 | if (state->pdata && state->pdata->sd_config.sd_dac_out[0]) |
| 257 | val = val | (state->pdata->sd_config.sd_dac_out[0] << 1); |
| 258 | else if (state->pdata && !state->pdata->sd_config.sd_dac_out[0]) |
| 259 | val = val & ~(state->pdata->sd_config.sd_dac_out[0] << 1); |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 260 | |
Lad, Prabhakar | 5e95814 | 2013-07-20 02:21:05 -0300 | [diff] [blame] | 261 | if (state->pdata && state->pdata->sd_config.sd_dac_out[1]) |
| 262 | val = val | (state->pdata->sd_config.sd_dac_out[1] << 2); |
| 263 | else if (state->pdata && !state->pdata->sd_config.sd_dac_out[1]) |
| 264 | val = val & ~(state->pdata->sd_config.sd_dac_out[1] << 2); |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 265 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 266 | err = adv7343_write(sd, ADV7343_SD_MODE_REG2, val); |
| 267 | if (err < 0) |
| 268 | goto setoutput_exit; |
| 269 | |
| 270 | state->reg82 = val; |
| 271 | |
| 272 | /* configure ED/HD Color DAC Swap and ED/HD RGB Input Enable bit to |
| 273 | * zero */ |
| 274 | val = state->reg35 & (HD_RGB_INPUT_DI & HD_DAC_SWAP_DI); |
| 275 | err = adv7343_write(sd, ADV7343_HD_MODE_REG6, val); |
| 276 | if (err < 0) |
| 277 | goto setoutput_exit; |
| 278 | |
| 279 | state->reg35 = val; |
| 280 | |
| 281 | setoutput_exit: |
| 282 | if (err != 0) |
| 283 | v4l2_err(sd, "Error setting output, write failed\n"); |
| 284 | |
| 285 | return err; |
| 286 | } |
| 287 | |
| 288 | static int adv7343_log_status(struct v4l2_subdev *sd) |
| 289 | { |
| 290 | struct adv7343_state *state = to_state(sd); |
| 291 | |
| 292 | v4l2_info(sd, "Standard: %llx\n", (unsigned long long)state->std); |
| 293 | v4l2_info(sd, "Output: %s\n", (state->output == 0) ? "Composite" : |
| 294 | ((state->output == 1) ? "Component" : "S-Video")); |
| 295 | return 0; |
| 296 | } |
| 297 | |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 298 | static int adv7343_s_ctrl(struct v4l2_ctrl *ctrl) |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 299 | { |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 300 | struct v4l2_subdev *sd = to_sd(ctrl); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 301 | |
| 302 | switch (ctrl->id) { |
| 303 | case V4L2_CID_BRIGHTNESS: |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 304 | return adv7343_write(sd, ADV7343_SD_BRIGHTNESS_WSS, |
| 305 | ctrl->val); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 306 | |
| 307 | case V4L2_CID_HUE: |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 308 | return adv7343_write(sd, ADV7343_SD_HUE_REG, ctrl->val); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 309 | |
| 310 | case V4L2_CID_GAIN: |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 311 | return adv7343_write(sd, ADV7343_DAC2_OUTPUT_LEVEL, ctrl->val); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 312 | } |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 313 | return -EINVAL; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 314 | } |
| 315 | |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 316 | static const struct v4l2_ctrl_ops adv7343_ctrl_ops = { |
| 317 | .s_ctrl = adv7343_s_ctrl, |
| 318 | }; |
| 319 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 320 | static const struct v4l2_subdev_core_ops adv7343_core_ops = { |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 321 | .log_status = adv7343_log_status, |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 322 | }; |
| 323 | |
| 324 | static int adv7343_s_std_output(struct v4l2_subdev *sd, v4l2_std_id std) |
| 325 | { |
| 326 | struct adv7343_state *state = to_state(sd); |
| 327 | int err = 0; |
| 328 | |
| 329 | if (state->std == std) |
| 330 | return 0; |
| 331 | |
| 332 | err = adv7343_setstd(sd, std); |
| 333 | if (!err) |
| 334 | state->std = std; |
| 335 | |
| 336 | return err; |
| 337 | } |
| 338 | |
| 339 | static int adv7343_s_routing(struct v4l2_subdev *sd, |
| 340 | u32 input, u32 output, u32 config) |
| 341 | { |
| 342 | struct adv7343_state *state = to_state(sd); |
| 343 | int err = 0; |
| 344 | |
| 345 | if (state->output == output) |
| 346 | return 0; |
| 347 | |
| 348 | err = adv7343_setoutput(sd, output); |
| 349 | if (!err) |
| 350 | state->output = output; |
| 351 | |
| 352 | return err; |
| 353 | } |
| 354 | |
| 355 | static const struct v4l2_subdev_video_ops adv7343_video_ops = { |
| 356 | .s_std_output = adv7343_s_std_output, |
| 357 | .s_routing = adv7343_s_routing, |
| 358 | }; |
| 359 | |
| 360 | static const struct v4l2_subdev_ops adv7343_ops = { |
| 361 | .core = &adv7343_core_ops, |
| 362 | .video = &adv7343_video_ops, |
| 363 | }; |
| 364 | |
| 365 | static int adv7343_initialize(struct v4l2_subdev *sd) |
| 366 | { |
| 367 | struct adv7343_state *state = to_state(sd); |
| 368 | int err = 0; |
| 369 | int i; |
| 370 | |
| 371 | for (i = 0; i < ARRAY_SIZE(adv7343_init_reg_val); i += 2) { |
| 372 | |
| 373 | err = adv7343_write(sd, adv7343_init_reg_val[i], |
| 374 | adv7343_init_reg_val[i+1]); |
| 375 | if (err) { |
| 376 | v4l2_err(sd, "Error initializing\n"); |
| 377 | return err; |
| 378 | } |
| 379 | } |
| 380 | |
| 381 | /* Configure for default video standard */ |
| 382 | err = adv7343_setoutput(sd, state->output); |
| 383 | if (err < 0) { |
| 384 | v4l2_err(sd, "Error setting output during init\n"); |
| 385 | return -EINVAL; |
| 386 | } |
| 387 | |
| 388 | err = adv7343_setstd(sd, state->std); |
| 389 | if (err < 0) { |
| 390 | v4l2_err(sd, "Error setting std during init\n"); |
| 391 | return -EINVAL; |
| 392 | } |
| 393 | |
| 394 | return err; |
| 395 | } |
| 396 | |
Lad, Prabhakar | 187d42d | 2013-07-20 02:21:06 -0300 | [diff] [blame] | 397 | static struct adv7343_platform_data * |
| 398 | adv7343_get_pdata(struct i2c_client *client) |
| 399 | { |
| 400 | struct adv7343_platform_data *pdata; |
| 401 | struct device_node *np; |
| 402 | |
| 403 | if (!IS_ENABLED(CONFIG_OF) || !client->dev.of_node) |
| 404 | return client->dev.platform_data; |
| 405 | |
Philipp Zabel | fd9fdb7 | 2014-02-10 22:01:48 +0100 | [diff] [blame] | 406 | np = of_graph_get_next_endpoint(client->dev.of_node, NULL); |
Lad, Prabhakar | 187d42d | 2013-07-20 02:21:06 -0300 | [diff] [blame] | 407 | if (!np) |
| 408 | return NULL; |
| 409 | |
| 410 | pdata = devm_kzalloc(&client->dev, sizeof(*pdata), GFP_KERNEL); |
| 411 | if (!pdata) |
| 412 | goto done; |
| 413 | |
| 414 | pdata->mode_config.sleep_mode = |
| 415 | of_property_read_bool(np, "adi,power-mode-sleep-mode"); |
| 416 | |
| 417 | pdata->mode_config.pll_control = |
| 418 | of_property_read_bool(np, "adi,power-mode-pll-ctrl"); |
| 419 | |
| 420 | of_property_read_u32_array(np, "adi,dac-enable", |
| 421 | pdata->mode_config.dac, 6); |
| 422 | |
| 423 | of_property_read_u32_array(np, "adi,sd-dac-enable", |
| 424 | pdata->sd_config.sd_dac_out, 2); |
| 425 | |
| 426 | done: |
| 427 | of_node_put(np); |
| 428 | return pdata; |
| 429 | } |
| 430 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 431 | static int adv7343_probe(struct i2c_client *client, |
| 432 | const struct i2c_device_id *id) |
| 433 | { |
| 434 | struct adv7343_state *state; |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 435 | int err; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 436 | |
| 437 | if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA)) |
| 438 | return -ENODEV; |
| 439 | |
| 440 | v4l_info(client, "chip found @ 0x%x (%s)\n", |
| 441 | client->addr << 1, client->adapter->name); |
| 442 | |
Lad, Prabhakar | c7a857a | 2013-01-03 10:08:46 -0300 | [diff] [blame] | 443 | state = devm_kzalloc(&client->dev, sizeof(struct adv7343_state), |
| 444 | GFP_KERNEL); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 445 | if (state == NULL) |
| 446 | return -ENOMEM; |
| 447 | |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 448 | /* Copy board specific information here */ |
Lad, Prabhakar | 187d42d | 2013-07-20 02:21:06 -0300 | [diff] [blame] | 449 | state->pdata = adv7343_get_pdata(client); |
Lad, Prabhakar | 0b302d8 | 2013-01-22 01:19:50 -0300 | [diff] [blame] | 450 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 451 | state->reg00 = 0x80; |
| 452 | state->reg01 = 0x00; |
| 453 | state->reg02 = 0x20; |
| 454 | state->reg35 = 0x00; |
| 455 | state->reg80 = ADV7343_SD_MODE_REG1_DEFAULT; |
| 456 | state->reg82 = ADV7343_SD_MODE_REG2_DEFAULT; |
| 457 | |
| 458 | state->output = ADV7343_COMPOSITE_ID; |
| 459 | state->std = V4L2_STD_NTSC; |
| 460 | |
| 461 | v4l2_i2c_subdev_init(&state->sd, client, &adv7343_ops); |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 462 | |
| 463 | v4l2_ctrl_handler_init(&state->hdl, 2); |
| 464 | v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops, |
| 465 | V4L2_CID_BRIGHTNESS, ADV7343_BRIGHTNESS_MIN, |
| 466 | ADV7343_BRIGHTNESS_MAX, 1, |
| 467 | ADV7343_BRIGHTNESS_DEF); |
| 468 | v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops, |
| 469 | V4L2_CID_HUE, ADV7343_HUE_MIN, |
| 470 | ADV7343_HUE_MAX, 1, |
| 471 | ADV7343_HUE_DEF); |
| 472 | v4l2_ctrl_new_std(&state->hdl, &adv7343_ctrl_ops, |
| 473 | V4L2_CID_GAIN, ADV7343_GAIN_MIN, |
| 474 | ADV7343_GAIN_MAX, 1, |
| 475 | ADV7343_GAIN_DEF); |
| 476 | state->sd.ctrl_handler = &state->hdl; |
| 477 | if (state->hdl.error) { |
Lad, Prabhakar | 6555cfc | 2013-06-22 06:07:37 -0300 | [diff] [blame] | 478 | err = state->hdl.error; |
| 479 | goto done; |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 480 | } |
| 481 | v4l2_ctrl_handler_setup(&state->hdl); |
| 482 | |
| 483 | err = adv7343_initialize(&state->sd); |
Lad, Prabhakar | c7a857a | 2013-01-03 10:08:46 -0300 | [diff] [blame] | 484 | if (err) |
Lad, Prabhakar | 6555cfc | 2013-06-22 06:07:37 -0300 | [diff] [blame] | 485 | goto done; |
| 486 | |
| 487 | err = v4l2_async_register_subdev(&state->sd); |
| 488 | |
| 489 | done: |
| 490 | if (err < 0) |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 491 | v4l2_ctrl_handler_free(&state->hdl); |
Lad, Prabhakar | 6555cfc | 2013-06-22 06:07:37 -0300 | [diff] [blame] | 492 | |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 493 | return err; |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 494 | } |
| 495 | |
| 496 | static int adv7343_remove(struct i2c_client *client) |
| 497 | { |
| 498 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 499 | struct adv7343_state *state = to_state(sd); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 500 | |
Lad, Prabhakar | 6555cfc | 2013-06-22 06:07:37 -0300 | [diff] [blame] | 501 | v4l2_async_unregister_subdev(&state->sd); |
Hans Verkuil | ceed52d | 2010-12-12 08:19:16 -0300 | [diff] [blame] | 502 | v4l2_ctrl_handler_free(&state->hdl); |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 503 | |
| 504 | return 0; |
| 505 | } |
| 506 | |
| 507 | static const struct i2c_device_id adv7343_id[] = { |
| 508 | {"adv7343", 0}, |
| 509 | {}, |
| 510 | }; |
| 511 | |
| 512 | MODULE_DEVICE_TABLE(i2c, adv7343_id); |
| 513 | |
Lad, Prabhakar | 187d42d | 2013-07-20 02:21:06 -0300 | [diff] [blame] | 514 | #if IS_ENABLED(CONFIG_OF) |
| 515 | static const struct of_device_id adv7343_of_match[] = { |
| 516 | {.compatible = "adi,adv7343", }, |
| 517 | { /* sentinel */ }, |
| 518 | }; |
| 519 | MODULE_DEVICE_TABLE(of, adv7343_of_match); |
| 520 | #endif |
| 521 | |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 522 | static struct i2c_driver adv7343_driver = { |
| 523 | .driver = { |
Lad, Prabhakar | 187d42d | 2013-07-20 02:21:06 -0300 | [diff] [blame] | 524 | .of_match_table = of_match_ptr(adv7343_of_match), |
Chaithrika U S | 06e61f8 | 2009-05-07 09:30:01 -0300 | [diff] [blame] | 525 | .name = "adv7343", |
| 526 | }, |
| 527 | .probe = adv7343_probe, |
| 528 | .remove = adv7343_remove, |
| 529 | .id_table = adv7343_id, |
| 530 | }; |
| 531 | |
Axel Lin | c6e8d86 | 2012-02-12 06:56:32 -0300 | [diff] [blame] | 532 | module_i2c_driver(adv7343_driver); |