drivers/media/i2c/adv7180.c

   1 /*
   2  * adv7180.c Analog Devices ADV7180 video decoder driver
   3  * Copyright (c) 2009 Intel Corporation
   4  * Copyright (C) 2013 Cogent Embedded, Inc.
   5  * Copyright (C) 2013 Renesas Solutions Corp.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19  */
  20
  21 #include <linux/module.h>
  22 #include <linux/init.h>
  23 #include <linux/errno.h>
  24 #include <linux/kernel.h>
  25 #include <linux/interrupt.h>
  26 #include <linux/i2c.h>
  27 #include <linux/slab.h>
  28 #include <media/v4l2-ioctl.h>
  29 #include <linux/videodev2.h>
  30 #include <media/v4l2-device.h>
  31 #include <media/v4l2-ctrls.h>
  32 #include <linux/mutex.h>
  33 #include <linux/delay.h>
  34
  35 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM              0x0
  36 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED          0x1
  37 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM               0x2
  38 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM               0x3
  39 #define ADV7180_STD_NTSC_J                              0x4
  40 #define ADV7180_STD_NTSC_M                              0x5
  41 #define ADV7180_STD_PAL60                               0x6
  42 #define ADV7180_STD_NTSC_443                            0x7
  43 #define ADV7180_STD_PAL_BG                              0x8
  44 #define ADV7180_STD_PAL_N                               0x9
  45 #define ADV7180_STD_PAL_M                               0xa
  46 #define ADV7180_STD_PAL_M_PED                           0xb
  47 #define ADV7180_STD_PAL_COMB_N                          0xc
  48 #define ADV7180_STD_PAL_COMB_N_PED                      0xd
  49 #define ADV7180_STD_PAL_SECAM                           0xe
  50 #define ADV7180_STD_PAL_SECAM_PED                       0xf
  51
  52 #define ADV7180_REG_INPUT_CONTROL                       0x0000
  53 #define ADV7180_INPUT_CONTROL_INSEL_MASK                0x0f
  54
  55 #define ADV7182_REG_INPUT_VIDSEL                        0x0002
  56
  57 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL             0x0004
  58 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS         0xC5
  59
  60 #define ADV7180_REG_AUTODETECT_ENABLE                   0x07
  61 #define ADV7180_AUTODETECT_DEFAULT                      0x7f
  62 /* Contrast */
  63 #define ADV7180_REG_CON         0x0008  /*Unsigned */
  64 #define ADV7180_CON_MIN         0
  65 #define ADV7180_CON_DEF         128
  66 #define ADV7180_CON_MAX         255
  67 /* Brightness*/
  68 #define ADV7180_REG_BRI         0x000a  /*Signed */
  69 #define ADV7180_BRI_MIN         -128
  70 #define ADV7180_BRI_DEF         0
  71 #define ADV7180_BRI_MAX         127
  72 /* Hue */
  73 #define ADV7180_REG_HUE         0x000b  /*Signed, inverted */
  74 #define ADV7180_HUE_MIN         -127
  75 #define ADV7180_HUE_DEF         0
  76 #define ADV7180_HUE_MAX         128
  77
  78 #define ADV7180_REG_CTRL                0x000e
  79 #define ADV7180_CTRL_IRQ_SPACE          0x20
  80
  81 #define ADV7180_REG_PWR_MAN             0x0f
  82 #define ADV7180_PWR_MAN_ON              0x04
  83 #define ADV7180_PWR_MAN_OFF             0x24
  84 #define ADV7180_PWR_MAN_RES             0x80
  85
  86 #define ADV7180_REG_STATUS1             0x0010
  87 #define ADV7180_STATUS1_IN_LOCK         0x01
  88 #define ADV7180_STATUS1_AUTOD_MASK      0x70
  89 #define ADV7180_STATUS1_AUTOD_NTSM_M_J  0x00
  90 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
  91 #define ADV7180_STATUS1_AUTOD_PAL_M     0x20
  92 #define ADV7180_STATUS1_AUTOD_PAL_60    0x30
  93 #define ADV7180_STATUS1_AUTOD_PAL_B_G   0x40
  94 #define ADV7180_STATUS1_AUTOD_SECAM     0x50
  95 #define ADV7180_STATUS1_AUTOD_PAL_COMB  0x60
  96 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
  97
  98 #define ADV7180_REG_IDENT 0x0011
  99 #define ADV7180_ID_7180 0x18
 100
 101 #define ADV7180_REG_ICONF1              0x0040
 102 #define ADV7180_ICONF1_ACTIVE_LOW       0x01
 103 #define ADV7180_ICONF1_PSYNC_ONLY       0x10
 104 #define ADV7180_ICONF1_ACTIVE_TO_CLR    0xC0
 105 /* Saturation */
 106 #define ADV7180_REG_SD_SAT_CB   0x00e3  /*Unsigned */
 107 #define ADV7180_REG_SD_SAT_CR   0x00e4  /*Unsigned */
 108 #define ADV7180_SAT_MIN         0
 109 #define ADV7180_SAT_DEF         128
 110 #define ADV7180_SAT_MAX         255
 111
 112 #define ADV7180_IRQ1_LOCK       0x01
 113 #define ADV7180_IRQ1_UNLOCK     0x02
 114 #define ADV7180_REG_ISR1        0x0042
 115 #define ADV7180_REG_ICR1        0x0043
 116 #define ADV7180_REG_IMR1        0x0044
 117 #define ADV7180_REG_IMR2        0x0048
 118 #define ADV7180_IRQ3_AD_CHANGE  0x08
 119 #define ADV7180_REG_ISR3        0x004A
 120 #define ADV7180_REG_ICR3        0x004B
 121 #define ADV7180_REG_IMR3        0x004C
 122 #define ADV7180_REG_IMR4        0x50
 123
 124 #define ADV7180_REG_NTSC_V_BIT_END      0x00E6
 125 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND     0x4F
 126
 127 #define ADV7180_REG_CSI_SLAVE_ADDR      0xFE
 128
 129 #define ADV7180_CSI_REG_PWRDN   0x00
 130 #define ADV7180_CSI_PWRDN       0x80
 131
 132 #define ADV7180_INPUT_CVBS_AIN1 0x00
 133 #define ADV7180_INPUT_CVBS_AIN2 0x01
 134 #define ADV7180_INPUT_CVBS_AIN3 0x02
 135 #define ADV7180_INPUT_CVBS_AIN4 0x03
 136 #define ADV7180_INPUT_CVBS_AIN5 0x04
 137 #define ADV7180_INPUT_CVBS_AIN6 0x05
 138 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
 139 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
 140 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
 141 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
 142 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
 143
 144 #define ADV7182_INPUT_CVBS_AIN1 0x00
 145 #define ADV7182_INPUT_CVBS_AIN2 0x01
 146 #define ADV7182_INPUT_CVBS_AIN3 0x02
 147 #define ADV7182_INPUT_CVBS_AIN4 0x03
 148 #define ADV7182_INPUT_CVBS_AIN5 0x04
 149 #define ADV7182_INPUT_CVBS_AIN6 0x05
 150 #define ADV7182_INPUT_CVBS_AIN7 0x06
 151 #define ADV7182_INPUT_CVBS_AIN8 0x07
 152 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
 153 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
 154 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
 155 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
 156 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
 157 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
 158 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
 159 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
 160 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
 161 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
 162
 163 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
 164
 165 struct adv7180_state;
 166
 167 #define ADV7180_FLAG_RESET_POWERED      BIT(0)
 168 #define ADV7180_FLAG_V2                 BIT(1)
 169 #define ADV7180_FLAG_MIPI_CSI2          BIT(2)
 170
 171 struct adv7180_chip_info {
 172         unsigned int flags;
 173         unsigned int valid_input_mask;
 174         int (*set_std)(struct adv7180_state *st, unsigned int std);
 175         int (*select_input)(struct adv7180_state *st, unsigned int input);
 176         int (*init)(struct adv7180_state *state);
 177 };
 178
 179 struct adv7180_state {
 180         struct v4l2_ctrl_handler ctrl_hdl;
 181         struct v4l2_subdev      sd;
 182         struct media_pad        pad;
 183         struct mutex            mutex; /* mutual excl. when accessing chip */
 184         int                     irq;
 185         v4l2_std_id             curr_norm;
 186         bool                    autodetect;
 187         bool                    powered;
 188         u8                      input;
 189
 190         struct i2c_client       *client;
 191         unsigned int            register_page;
 192         struct i2c_client       *csi_client;
 193         const struct adv7180_chip_info *chip_info;
 194 };
 195 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler,             \
 196                                             struct adv7180_state,       \
 197                                             ctrl_hdl)->sd)
 198
 199 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
 200 {
 201         if (state->register_page != page) {
 202                 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
 203                         page);
 204                 state->register_page = page;
 205         }
 206
 207         return 0;
 208 }
 209
 210 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
 211         unsigned int value)
 212 {
 213         lockdep_assert_held(&state->mutex);
 214         adv7180_select_page(state, reg >> 8);
 215         return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
 216 }
 217
 218 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
 219 {
 220         lockdep_assert_held(&state->mutex);
 221         adv7180_select_page(state, reg >> 8);
 222         return i2c_smbus_read_byte_data(state->client, reg & 0xff);
 223 }
 224
 225 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
 226         unsigned int value)
 227 {
 228         return i2c_smbus_write_byte_data(state->csi_client, reg, value);
 229 }
 230
 231 static int adv7180_set_video_standard(struct adv7180_state *state,
 232         unsigned int std)
 233 {
 234         return state->chip_info->set_std(state, std);
 235 }
 236
 237 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
 238 {
 239         /* in case V4L2_IN_ST_NO_SIGNAL */
 240         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 241                 return V4L2_STD_UNKNOWN;
 242
 243         switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
 244         case ADV7180_STATUS1_AUTOD_NTSM_M_J:
 245                 return V4L2_STD_NTSC;
 246         case ADV7180_STATUS1_AUTOD_NTSC_4_43:
 247                 return V4L2_STD_NTSC_443;
 248         case ADV7180_STATUS1_AUTOD_PAL_M:
 249                 return V4L2_STD_PAL_M;
 250         case ADV7180_STATUS1_AUTOD_PAL_60:
 251                 return V4L2_STD_PAL_60;
 252         case ADV7180_STATUS1_AUTOD_PAL_B_G:
 253                 return V4L2_STD_PAL;
 254         case ADV7180_STATUS1_AUTOD_SECAM:
 255                 return V4L2_STD_SECAM;
 256         case ADV7180_STATUS1_AUTOD_PAL_COMB:
 257                 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
 258         case ADV7180_STATUS1_AUTOD_SECAM_525:
 259                 return V4L2_STD_SECAM;
 260         default:
 261                 return V4L2_STD_UNKNOWN;
 262         }
 263 }
 264
 265 static int v4l2_std_to_adv7180(v4l2_std_id std)
 266 {
 267         if (std == V4L2_STD_PAL_60)
 268                 return ADV7180_STD_PAL60;
 269         if (std == V4L2_STD_NTSC_443)
 270                 return ADV7180_STD_NTSC_443;
 271         if (std == V4L2_STD_PAL_N)
 272                 return ADV7180_STD_PAL_N;
 273         if (std == V4L2_STD_PAL_M)
 274                 return ADV7180_STD_PAL_M;
 275         if (std == V4L2_STD_PAL_Nc)
 276                 return ADV7180_STD_PAL_COMB_N;
 277
 278         if (std & V4L2_STD_PAL)
 279                 return ADV7180_STD_PAL_BG;
 280         if (std & V4L2_STD_NTSC)
 281                 return ADV7180_STD_NTSC_M;
 282         if (std & V4L2_STD_SECAM)
 283                 return ADV7180_STD_PAL_SECAM;
 284
 285         return -EINVAL;
 286 }
 287
 288 static u32 adv7180_status_to_v4l2(u8 status1)
 289 {
 290         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 291                 return V4L2_IN_ST_NO_SIGNAL;
 292
 293         return 0;
 294 }
 295
 296 static int __adv7180_status(struct adv7180_state *state, u32 *status,
 297                             v4l2_std_id *std)
 298 {
 299         int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
 300
 301         if (status1 < 0)
 302                 return status1;
 303
 304         if (status)
 305                 *status = adv7180_status_to_v4l2(status1);
 306         if (std)
 307                 *std = adv7180_std_to_v4l2(status1);
 308
 309         return 0;
 310 }
 311
 312 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
 313 {
 314         return container_of(sd, struct adv7180_state, sd);
 315 }
 316
 317 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 318 {
 319         struct adv7180_state *state = to_state(sd);
 320         int err = mutex_lock_interruptible(&state->mutex);
 321         if (err)
 322                 return err;
 323
 324         /* when we are interrupt driven we know the state */
 325         if (!state->autodetect || state->irq > 0)
 326                 *std = state->curr_norm;
 327         else
 328                 err = __adv7180_status(state, NULL, std);
 329
 330         mutex_unlock(&state->mutex);
 331         return err;
 332 }
 333
 334 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
 335                              u32 output, u32 config)
 336 {
 337         struct adv7180_state *state = to_state(sd);
 338         int ret = mutex_lock_interruptible(&state->mutex);
 339
 340         if (ret)
 341                 return ret;
 342
 343         if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
 344                 ret = -EINVAL;
 345                 goto out;
 346         }
 347
 348         ret = state->chip_info->select_input(state, input);
 349
 350         if (ret == 0)
 351                 state->input = input;
 352 out:
 353         mutex_unlock(&state->mutex);
 354         return ret;
 355 }
 356
 357 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
 358 {
 359         struct adv7180_state *state = to_state(sd);
 360         int ret = mutex_lock_interruptible(&state->mutex);
 361         if (ret)
 362                 return ret;
 363
 364         ret = __adv7180_status(state, status, NULL);
 365         mutex_unlock(&state->mutex);
 366         return ret;
 367 }
 368
 369 static int adv7180_program_std(struct adv7180_state *state)
 370 {
 371         int ret;
 372
 373         if (state->autodetect) {
 374                 ret = adv7180_set_video_standard(state,
 375                         ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
 376                 if (ret < 0)
 377                         return ret;
 378
 379                 __adv7180_status(state, NULL, &state->curr_norm);
 380         } else {
 381                 ret = v4l2_std_to_adv7180(state->curr_norm);
 382                 if (ret < 0)
 383                         return ret;
 384
 385                 ret = adv7180_set_video_standard(state, ret);
 386                 if (ret < 0)
 387                         return ret;
 388         }
 389
 390         return 0;
 391 }
 392
 393 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 394 {
 395         struct adv7180_state *state = to_state(sd);
 396         int ret = mutex_lock_interruptible(&state->mutex);
 397
 398         if (ret)
 399                 return ret;
 400
 401         /* all standards -> autodetect */
 402         if (std == V4L2_STD_ALL) {
 403                 state->autodetect = true;
 404         } else {
 405                 /* Make sure we can support this std */
 406                 ret = v4l2_std_to_adv7180(std);
 407                 if (ret < 0)
 408                         goto out;
 409
 410                 state->curr_norm = std;
 411                 state->autodetect = false;
 412         }
 413
 414         ret = adv7180_program_std(state);
 415 out:
 416         mutex_unlock(&state->mutex);
 417         return ret;
 418 }
 419
 420 static int adv7180_set_power(struct adv7180_state *state, bool on)
 421 {
 422         u8 val;
 423         int ret;
 424
 425         if (on)
 426                 val = ADV7180_PWR_MAN_ON;
 427         else
 428                 val = ADV7180_PWR_MAN_OFF;
 429
 430         ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
 431         if (ret)
 432                 return ret;
 433
 434         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 435                 if (on) {
 436                         adv7180_csi_write(state, 0xDE, 0x02);
 437                         adv7180_csi_write(state, 0xD2, 0xF7);
 438                         adv7180_csi_write(state, 0xD8, 0x65);
 439                         adv7180_csi_write(state, 0xE0, 0x09);
 440                         adv7180_csi_write(state, 0x2C, 0x00);
 441                         adv7180_csi_write(state, 0x00, 0x00);
 442                 } else {
 443                         adv7180_csi_write(state, 0x00, 0x80);
 444                 }
 445         }
 446
 447         return 0;
 448 }
 449
 450 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
 451 {
 452         struct adv7180_state *state = to_state(sd);
 453         int ret;
 454
 455         ret = mutex_lock_interruptible(&state->mutex);
 456         if (ret)
 457                 return ret;
 458
 459         ret = adv7180_set_power(state, on);
 460         if (ret == 0)
 461                 state->powered = on;
 462
 463         mutex_unlock(&state->mutex);
 464         return ret;
 465 }
 466
 467 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
 468 {
 469         struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
 470         struct adv7180_state *state = to_state(sd);
 471         int ret = mutex_lock_interruptible(&state->mutex);
 472         int val;
 473
 474         if (ret)
 475                 return ret;
 476         val = ctrl->val;
 477         switch (ctrl->id) {
 478         case V4L2_CID_BRIGHTNESS:
 479                 ret = adv7180_write(state, ADV7180_REG_BRI, val);
 480                 break;
 481         case V4L2_CID_HUE:
 482                 /*Hue is inverted according to HSL chart */
 483                 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
 484                 break;
 485         case V4L2_CID_CONTRAST:
 486                 ret = adv7180_write(state, ADV7180_REG_CON, val);
 487                 break;
 488         case V4L2_CID_SATURATION:
 489                 /*
 490                  *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
 491                  *Let's not confuse the user, everybody understands saturation
 492                  */
 493                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
 494                 if (ret < 0)
 495                         break;
 496                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
 497                 break;
 498         default:
 499                 ret = -EINVAL;
 500         }
 501
 502         mutex_unlock(&state->mutex);
 503         return ret;
 504 }
 505
 506 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
 507         .s_ctrl = adv7180_s_ctrl,
 508 };
 509
 510 static int adv7180_init_controls(struct adv7180_state *state)
 511 {
 512         v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
 513
 514         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 515                           V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
 516                           ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
 517         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 518                           V4L2_CID_CONTRAST, ADV7180_CON_MIN,
 519                           ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
 520         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 521                           V4L2_CID_SATURATION, ADV7180_SAT_MIN,
 522                           ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
 523         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 524                           V4L2_CID_HUE, ADV7180_HUE_MIN,
 525                           ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
 526         state->sd.ctrl_handler = &state->ctrl_hdl;
 527         if (state->ctrl_hdl.error) {
 528                 int err = state->ctrl_hdl.error;
 529
 530                 v4l2_ctrl_handler_free(&state->ctrl_hdl);
 531                 return err;
 532         }
 533         v4l2_ctrl_handler_setup(&state->ctrl_hdl);
 534
 535         return 0;
 536 }
 537 static void adv7180_exit_controls(struct adv7180_state *state)
 538 {
 539         v4l2_ctrl_handler_free(&state->ctrl_hdl);
 540 }
 541
 542 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
 543                                   struct v4l2_subdev_fh *fh,
 544                                   struct v4l2_subdev_mbus_code_enum *code)
 545 {
 546         if (code->index != 0)
 547                 return -EINVAL;
 548
 549         code->code = MEDIA_BUS_FMT_YUYV8_2X8;
 550
 551         return 0;
 552 }
 553
 554 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
 555                             struct v4l2_mbus_framefmt *fmt)
 556 {
 557         struct adv7180_state *state = to_state(sd);
 558
 559         fmt->code = MEDIA_BUS_FMT_YUYV8_2X8;
 560         fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 561         fmt->field = V4L2_FIELD_INTERLACED;
 562         fmt->width = 720;
 563         fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
 564
 565         return 0;
 566 }
 567
 568 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
 569                                   struct v4l2_subdev_fh *fh,
 570                                   struct v4l2_subdev_format *format)
 571 {
 572         return adv7180_mbus_fmt(sd, &format->format);
 573 }
 574
 575 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
 576                                   struct v4l2_subdev_fh *fh,
 577                                   struct v4l2_subdev_format *format)
 578 {
 579         return adv7180_mbus_fmt(sd, &format->format);
 580 }
 581
 582 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 583                                  struct v4l2_mbus_config *cfg)
 584 {
 585         struct adv7180_state *state = to_state(sd);
 586
 587         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 588                 cfg->type = V4L2_MBUS_CSI2;
 589                 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
 590                                 V4L2_MBUS_CSI2_CHANNEL_0 |
 591                                 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
 592         } else {
 593                 /*
 594                  * The ADV7180 sensor supports BT.601/656 output modes.
 595                  * The BT.656 is default and not yet configurable by s/w.
 596                  */
 597                 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
 598                                  V4L2_MBUS_DATA_ACTIVE_HIGH;
 599                 cfg->type = V4L2_MBUS_BT656;
 600         }
 601
 602         return 0;
 603 }
 604
 605 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
 606         .s_std = adv7180_s_std,
 607         .querystd = adv7180_querystd,
 608         .g_input_status = adv7180_g_input_status,
 609         .s_routing = adv7180_s_routing,
 610         .g_mbus_config = adv7180_g_mbus_config,
 611 };
 612
 613
 614 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
 615         .s_power = adv7180_s_power,
 616 };
 617
 618 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
 619         .enum_mbus_code = adv7180_enum_mbus_code,
 620         .set_fmt = adv7180_set_pad_format,
 621         .get_fmt = adv7180_get_pad_format,
 622 };
 623
 624 static const struct v4l2_subdev_ops adv7180_ops = {
 625         .core = &adv7180_core_ops,
 626         .video = &adv7180_video_ops,
 627         .pad = &adv7180_pad_ops,
 628 };
 629
 630 static irqreturn_t adv7180_irq(int irq, void *devid)
 631 {
 632         struct adv7180_state *state = devid;
 633         u8 isr3;
 634
 635         mutex_lock(&state->mutex);
 636         isr3 = adv7180_read(state, ADV7180_REG_ISR3);
 637         /* clear */
 638         adv7180_write(state, ADV7180_REG_ICR3, isr3);
 639
 640         if (isr3 & ADV7180_IRQ3_AD_CHANGE && state->autodetect)
 641                 __adv7180_status(state, NULL, &state->curr_norm);
 642         mutex_unlock(&state->mutex);
 643
 644         return IRQ_HANDLED;
 645 }
 646
 647 static int adv7180_init(struct adv7180_state *state)
 648 {
 649         int ret;
 650
 651         /* ITU-R BT.656-4 compatible */
 652         ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
 653                         ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
 654         if (ret < 0)
 655                 return ret;
 656
 657         /* Manually set V bit end position in NTSC mode */
 658         return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
 659                                         ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
 660 }
 661
 662 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
 663 {
 664         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
 665                 (std << 4) | state->input);
 666 }
 667
 668 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
 669 {
 670         int ret;
 671
 672         ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
 673         if (ret < 0)
 674                 return ret;
 675
 676         ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
 677         ret |= input;
 678         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
 679 }
 680
 681 static int adv7182_init(struct adv7180_state *state)
 682 {
 683         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
 684                 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
 685                         ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
 686
 687         if (state->chip_info->flags & ADV7180_FLAG_V2) {
 688                 /* ADI recommended writes for improved video quality */
 689                 adv7180_write(state, 0x0080, 0x51);
 690                 adv7180_write(state, 0x0081, 0x51);
 691                 adv7180_write(state, 0x0082, 0x68);
 692         }
 693
 694         /* ADI required writes */
 695         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 696                 adv7180_write(state, 0x0003, 0x4e);
 697                 adv7180_write(state, 0x0004, 0x57);
 698                 adv7180_write(state, 0x001d, 0xc0);
 699         } else {
 700                 if (state->chip_info->flags & ADV7180_FLAG_V2)
 701                         adv7180_write(state, 0x0004, 0x17);
 702                 else
 703                         adv7180_write(state, 0x0004, 0x07);
 704                 adv7180_write(state, 0x0003, 0x0c);
 705                 adv7180_write(state, 0x001d, 0x40);
 706         }
 707
 708         adv7180_write(state, 0x0013, 0x00);
 709
 710         return 0;
 711 }
 712
 713 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
 714 {
 715         return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
 716 }
 717
 718 enum adv7182_input_type {
 719         ADV7182_INPUT_TYPE_CVBS,
 720         ADV7182_INPUT_TYPE_DIFF_CVBS,
 721         ADV7182_INPUT_TYPE_SVIDEO,
 722         ADV7182_INPUT_TYPE_YPBPR,
 723 };
 724
 725 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
 726 {
 727         switch (input) {
 728         case ADV7182_INPUT_CVBS_AIN1:
 729         case ADV7182_INPUT_CVBS_AIN2:
 730         case ADV7182_INPUT_CVBS_AIN3:
 731         case ADV7182_INPUT_CVBS_AIN4:
 732         case ADV7182_INPUT_CVBS_AIN5:
 733         case ADV7182_INPUT_CVBS_AIN6:
 734         case ADV7182_INPUT_CVBS_AIN7:
 735         case ADV7182_INPUT_CVBS_AIN8:
 736                 return ADV7182_INPUT_TYPE_CVBS;
 737         case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
 738         case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
 739         case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
 740         case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
 741                 return ADV7182_INPUT_TYPE_SVIDEO;
 742         case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
 743         case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
 744                 return ADV7182_INPUT_TYPE_YPBPR;
 745         case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
 746         case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
 747         case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
 748         case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
 749                 return ADV7182_INPUT_TYPE_DIFF_CVBS;
 750         default: /* Will never happen */
 751                 return 0;
 752         }
 753 }
 754
 755 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
 756 static unsigned int adv7182_lbias_settings[][3] = {
 757         [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
 758         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 759         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 760         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 761 };
 762
 763 static unsigned int adv7280_lbias_settings[][3] = {
 764         [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
 765         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 766         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 767         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 768 };
 769
 770 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
 771 {
 772         enum adv7182_input_type input_type;
 773         unsigned int *lbias;
 774         unsigned int i;
 775         int ret;
 776
 777         ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
 778         if (ret)
 779                 return ret;
 780
 781         /* Reset clamp circuitry - ADI recommended writes */
 782         adv7180_write(state, 0x809c, 0x00);
 783         adv7180_write(state, 0x809c, 0xff);
 784
 785         input_type = adv7182_get_input_type(input);
 786
 787         switch (input_type) {
 788         case ADV7182_INPUT_TYPE_CVBS:
 789         case ADV7182_INPUT_TYPE_DIFF_CVBS:
 790                 /* ADI recommends to use the SH1 filter */
 791                 adv7180_write(state, 0x0017, 0x41);
 792                 break;
 793         default:
 794                 adv7180_write(state, 0x0017, 0x01);
 795                 break;
 796         }
 797
 798         if (state->chip_info->flags & ADV7180_FLAG_V2)
 799                 lbias = adv7280_lbias_settings[input_type];
 800         else
 801                 lbias = adv7182_lbias_settings[input_type];
 802
 803         for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
 804                 adv7180_write(state, 0x0052 + i, lbias[i]);
 805
 806         if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
 807                 /* ADI required writes to make differential CVBS work */
 808                 adv7180_write(state, 0x005f, 0xa8);
 809                 adv7180_write(state, 0x005a, 0x90);
 810                 adv7180_write(state, 0x0060, 0xb0);
 811                 adv7180_write(state, 0x80b6, 0x08);
 812                 adv7180_write(state, 0x80c0, 0xa0);
 813         } else {
 814                 adv7180_write(state, 0x005f, 0xf0);
 815                 adv7180_write(state, 0x005a, 0xd0);
 816                 adv7180_write(state, 0x0060, 0x10);
 817                 adv7180_write(state, 0x80b6, 0x9c);
 818                 adv7180_write(state, 0x80c0, 0x00);
 819         }
 820
 821         return 0;
 822 }
 823
 824 static const struct adv7180_chip_info adv7180_info = {
 825         .flags = ADV7180_FLAG_RESET_POWERED,
 826         /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
 827          * all inputs and let the card driver take care of validation
 828          */
 829         .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
 830                 BIT(ADV7180_INPUT_CVBS_AIN2) |
 831                 BIT(ADV7180_INPUT_CVBS_AIN3) |
 832                 BIT(ADV7180_INPUT_CVBS_AIN4) |
 833                 BIT(ADV7180_INPUT_CVBS_AIN5) |
 834                 BIT(ADV7180_INPUT_CVBS_AIN6) |
 835                 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
 836                 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
 837                 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
 838                 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 839                 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
 840         .init = adv7180_init,
 841         .set_std = adv7180_set_std,
 842         .select_input = adv7180_select_input,
 843 };
 844
 845 static const struct adv7180_chip_info adv7182_info = {
 846         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 847                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 848                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 849                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 850                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 851                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 852                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 853                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
 854                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
 855         .init = adv7182_init,
 856         .set_std = adv7182_set_std,
 857         .select_input = adv7182_select_input,
 858 };
 859
 860 static const struct adv7180_chip_info adv7280_info = {
 861         .flags = ADV7180_FLAG_V2,
 862         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 863                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 864                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 865                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 866                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 867                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 868                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
 869         .init = adv7182_init,
 870         .set_std = adv7182_set_std,
 871         .select_input = adv7182_select_input,
 872 };
 873
 874 static const struct adv7180_chip_info adv7280_m_info = {
 875         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
 876         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 877                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 878                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 879                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 880                 BIT(ADV7182_INPUT_CVBS_AIN5) |
 881                 BIT(ADV7182_INPUT_CVBS_AIN6) |
 882                 BIT(ADV7182_INPUT_CVBS_AIN7) |
 883                 BIT(ADV7182_INPUT_CVBS_AIN8) |
 884                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 885                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 886                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
 887                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
 888                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 889                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
 890         .init = adv7182_init,
 891         .set_std = adv7182_set_std,
 892         .select_input = adv7182_select_input,
 893 };
 894
 895 static const struct adv7180_chip_info adv7281_info = {
 896         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
 897         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 898                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 899                 BIT(ADV7182_INPUT_CVBS_AIN7) |
 900                 BIT(ADV7182_INPUT_CVBS_AIN8) |
 901                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 902                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
 903                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
 904                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
 905         .init = adv7182_init,
 906         .set_std = adv7182_set_std,
 907         .select_input = adv7182_select_input,
 908 };
 909
 910 static const struct adv7180_chip_info adv7281_m_info = {
 911         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
 912         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 913                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 914                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 915                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 916                 BIT(ADV7182_INPUT_CVBS_AIN7) |
 917                 BIT(ADV7182_INPUT_CVBS_AIN8) |
 918                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 919                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 920                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
 921                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 922                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
 923                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
 924                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
 925         .init = adv7182_init,
 926         .set_std = adv7182_set_std,
 927         .select_input = adv7182_select_input,
 928 };
 929
 930 static const struct adv7180_chip_info adv7281_ma_info = {
 931         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
 932         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 933                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 934                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 935                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 936                 BIT(ADV7182_INPUT_CVBS_AIN5) |
 937                 BIT(ADV7182_INPUT_CVBS_AIN6) |
 938                 BIT(ADV7182_INPUT_CVBS_AIN7) |
 939                 BIT(ADV7182_INPUT_CVBS_AIN8) |
 940                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 941                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 942                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
 943                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
 944                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 945                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
 946                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
 947                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
 948                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
 949                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
 950         .init = adv7182_init,
 951         .set_std = adv7182_set_std,
 952         .select_input = adv7182_select_input,
 953 };
 954
 955 static int init_device(struct adv7180_state *state)
 956 {
 957         int ret;
 958
 959         mutex_lock(&state->mutex);
 960
 961         adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
 962         usleep_range(2000, 10000);
 963
 964         ret = state->chip_info->init(state);
 965         if (ret)
 966                 goto out_unlock;
 967
 968         ret = adv7180_program_std(state);
 969         if (ret)
 970                 goto out_unlock;
 971
 972         /* register for interrupts */
 973         if (state->irq > 0) {
 974                 /* config the Interrupt pin to be active low */
 975                 ret = adv7180_write(state, ADV7180_REG_ICONF1,
 976                                                 ADV7180_ICONF1_ACTIVE_LOW |
 977                                                 ADV7180_ICONF1_PSYNC_ONLY);
 978                 if (ret < 0)
 979                         goto out_unlock;
 980
 981                 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
 982                 if (ret < 0)
 983                         goto out_unlock;
 984
 985                 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
 986                 if (ret < 0)
 987                         goto out_unlock;
 988
 989                 /* enable AD change interrupts interrupts */
 990                 ret = adv7180_write(state, ADV7180_REG_IMR3,
 991                                                 ADV7180_IRQ3_AD_CHANGE);
 992                 if (ret < 0)
 993                         goto out_unlock;
 994
 995                 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
 996                 if (ret < 0)
 997                         goto out_unlock;
 998         }
 999
1000 out_unlock:
1001         mutex_unlock(&state->mutex);
1002
1003         return ret;
1004 }
1005
1006 static int adv7180_probe(struct i2c_client *client,
1007                          const struct i2c_device_id *id)
1008 {
1009         struct adv7180_state *state;
1010         struct v4l2_subdev *sd;
1011         int ret;
1012
1013         /* Check if the adapter supports the needed features */
1014         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1015                 return -EIO;
1016
1017         v4l_info(client, "chip found @ 0x%02x (%s)\n",
1018                  client->addr, client->adapter->name);
1019
1020         state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1021         if (state == NULL)
1022                 return -ENOMEM;
1023
1024         state->client = client;
1025         state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1026
1027         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1028                 state->csi_client = i2c_new_dummy(client->adapter,
1029                                 ADV7180_DEFAULT_CSI_I2C_ADDR);
1030                 if (!state->csi_client)
1031                         return -ENOMEM;
1032         }
1033
1034         state->irq = client->irq;
1035         mutex_init(&state->mutex);
1036         state->autodetect = true;
1037         if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1038                 state->powered = true;
1039         else
1040                 state->powered = false;
1041         state->input = 0;
1042         sd = &state->sd;
1043         v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1044         sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
1045
1046         ret = adv7180_init_controls(state);
1047         if (ret)
1048                 goto err_unregister_csi_client;
1049
1050         state->pad.flags = MEDIA_PAD_FL_SOURCE;
1051         sd->entity.flags |= MEDIA_ENT_T_V4L2_SUBDEV_DECODER;
1052         ret = media_entity_init(&sd->entity, 1, &state->pad, 0);
1053         if (ret)
1054                 goto err_free_ctrl;
1055
1056         ret = init_device(state);
1057         if (ret)
1058                 goto err_media_entity_cleanup;
1059
1060         if (state->irq) {
1061                 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1062                                            IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1063                                            KBUILD_MODNAME, state);
1064                 if (ret)
1065                         goto err_media_entity_cleanup;
1066         }
1067
1068         ret = v4l2_async_register_subdev(sd);
1069         if (ret)
1070                 goto err_free_irq;
1071
1072         return 0;
1073
1074 err_free_irq:
1075         if (state->irq > 0)
1076                 free_irq(client->irq, state);
1077 err_media_entity_cleanup:
1078         media_entity_cleanup(&sd->entity);
1079 err_free_ctrl:
1080         adv7180_exit_controls(state);
1081 err_unregister_csi_client:
1082         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1083                 i2c_unregister_device(state->csi_client);
1084         mutex_destroy(&state->mutex);
1085         return ret;
1086 }
1087
1088 static int adv7180_remove(struct i2c_client *client)
1089 {
1090         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1091         struct adv7180_state *state = to_state(sd);
1092
1093         v4l2_async_unregister_subdev(sd);
1094
1095         if (state->irq > 0)
1096                 free_irq(client->irq, state);
1097
1098         media_entity_cleanup(&sd->entity);
1099         adv7180_exit_controls(state);
1100
1101         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1102                 i2c_unregister_device(state->csi_client);
1103
1104         mutex_destroy(&state->mutex);
1105
1106         return 0;
1107 }
1108
1109 static const struct i2c_device_id adv7180_id[] = {
1110         { "adv7180", (kernel_ulong_t)&adv7180_info },
1111         { "adv7182", (kernel_ulong_t)&adv7182_info },
1112         { "adv7280", (kernel_ulong_t)&adv7280_info },
1113         { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1114         { "adv7281", (kernel_ulong_t)&adv7281_info },
1115         { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1116         { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1117         { "adv7282", (kernel_ulong_t)&adv7281_info },
1118         { "adv7282-m", (kernel_ulong_t)&adv7281_m_info },
1119         {},
1120 };
1121 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1122
1123 #ifdef CONFIG_PM_SLEEP
1124 static int adv7180_suspend(struct device *dev)
1125 {
1126         struct i2c_client *client = to_i2c_client(dev);
1127         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1128         struct adv7180_state *state = to_state(sd);
1129
1130         return adv7180_set_power(state, false);
1131 }
1132
1133 static int adv7180_resume(struct device *dev)
1134 {
1135         struct i2c_client *client = to_i2c_client(dev);
1136         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1137         struct adv7180_state *state = to_state(sd);
1138         int ret;
1139
1140         ret = init_device(state);
1141         if (ret < 0)
1142                 return ret;
1143
1144         ret = adv7180_set_power(state, state->powered);
1145         if (ret)
1146                 return ret;
1147
1148         return 0;
1149 }
1150
1151 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1152 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1153
1154 #else
1155 #define ADV7180_PM_OPS NULL
1156 #endif
1157
1158 static struct i2c_driver adv7180_driver = {
1159         .driver = {
1160                    .owner = THIS_MODULE,
1161                    .name = KBUILD_MODNAME,
1162                    .pm = ADV7180_PM_OPS,
1163                    },
1164         .probe = adv7180_probe,
1165         .remove = adv7180_remove,
1166         .id_table = adv7180_id,
1167 };
1168
1169 module_i2c_driver(adv7180_driver);
1170
1171 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1172 MODULE_AUTHOR("Mocean Laboratories");
1173 MODULE_LICENSE("GPL v2");