kernel/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_VPP_SLAVE_ADDR      0xFD
 128 #define ADV7180_REG_CSI_SLAVE_ADDR      0xFE
 129
 130 #define ADV7180_REG_FLCONTROL 0x40e0
 131 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
 132
 133 #define ADV7180_CSI_REG_PWRDN   0x00
 134 #define ADV7180_CSI_PWRDN       0x80
 135
 136 #define ADV7180_INPUT_CVBS_AIN1 0x00
 137 #define ADV7180_INPUT_CVBS_AIN2 0x01
 138 #define ADV7180_INPUT_CVBS_AIN3 0x02
 139 #define ADV7180_INPUT_CVBS_AIN4 0x03
 140 #define ADV7180_INPUT_CVBS_AIN5 0x04
 141 #define ADV7180_INPUT_CVBS_AIN6 0x05
 142 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
 143 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
 144 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
 145 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
 146 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
 147
 148 #define ADV7182_INPUT_CVBS_AIN1 0x00
 149 #define ADV7182_INPUT_CVBS_AIN2 0x01
 150 #define ADV7182_INPUT_CVBS_AIN3 0x02
 151 #define ADV7182_INPUT_CVBS_AIN4 0x03
 152 #define ADV7182_INPUT_CVBS_AIN5 0x04
 153 #define ADV7182_INPUT_CVBS_AIN6 0x05
 154 #define ADV7182_INPUT_CVBS_AIN7 0x06
 155 #define ADV7182_INPUT_CVBS_AIN8 0x07
 156 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
 157 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
 158 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
 159 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
 160 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
 161 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
 162 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
 163 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
 164 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
 165 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
 166
 167 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
 168 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
 169
 170 #define V4L2_CID_ADV_FAST_SWITCH        (V4L2_CID_USER_ADV7180_BASE + 0x00)
 171
 172 struct adv7180_state;
 173
 174 #define ADV7180_FLAG_RESET_POWERED      BIT(0)
 175 #define ADV7180_FLAG_V2                 BIT(1)
 176 #define ADV7180_FLAG_MIPI_CSI2          BIT(2)
 177 #define ADV7180_FLAG_I2P                BIT(3)
 178
 179 struct adv7180_chip_info {
 180         unsigned int flags;
 181         unsigned int valid_input_mask;
 182         int (*set_std)(struct adv7180_state *st, unsigned int std);
 183         int (*select_input)(struct adv7180_state *st, unsigned int input);
 184         int (*init)(struct adv7180_state *state);
 185 };
 186
 187 struct adv7180_state {
 188         struct v4l2_ctrl_handler ctrl_hdl;
 189         struct v4l2_subdev      sd;
 190         struct media_pad        pad;
 191         struct mutex            mutex; /* mutual excl. when accessing chip */
 192         int                     irq;
 193         v4l2_std_id             curr_norm;
 194         bool                    autodetect;
 195         bool                    powered;
 196         u8                      input;
 197
 198         struct i2c_client       *client;
 199         unsigned int            register_page;
 200         struct i2c_client       *csi_client;
 201         struct i2c_client       *vpp_client;
 202         const struct adv7180_chip_info *chip_info;
 203         enum v4l2_field         field;
 204 };
 205 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler,             \
 206                                             struct adv7180_state,       \
 207                                             ctrl_hdl)->sd)
 208
 209 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
 210 {
 211         if (state->register_page != page) {
 212                 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
 213                         page);
 214                 state->register_page = page;
 215         }
 216
 217         return 0;
 218 }
 219
 220 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
 221         unsigned int value)
 222 {
 223         lockdep_assert_held(&state->mutex);
 224         adv7180_select_page(state, reg >> 8);
 225         return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
 226 }
 227
 228 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
 229 {
 230         lockdep_assert_held(&state->mutex);
 231         adv7180_select_page(state, reg >> 8);
 232         return i2c_smbus_read_byte_data(state->client, reg & 0xff);
 233 }
 234
 235 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
 236         unsigned int value)
 237 {
 238         return i2c_smbus_write_byte_data(state->csi_client, reg, value);
 239 }
 240
 241 static int adv7180_set_video_standard(struct adv7180_state *state,
 242         unsigned int std)
 243 {
 244         return state->chip_info->set_std(state, std);
 245 }
 246
 247 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
 248         unsigned int value)
 249 {
 250         return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
 251 }
 252
 253 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
 254 {
 255         /* in case V4L2_IN_ST_NO_SIGNAL */
 256         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 257                 return V4L2_STD_UNKNOWN;
 258
 259         switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
 260         case ADV7180_STATUS1_AUTOD_NTSM_M_J:
 261                 return V4L2_STD_NTSC;
 262         case ADV7180_STATUS1_AUTOD_NTSC_4_43:
 263                 return V4L2_STD_NTSC_443;
 264         case ADV7180_STATUS1_AUTOD_PAL_M:
 265                 return V4L2_STD_PAL_M;
 266         case ADV7180_STATUS1_AUTOD_PAL_60:
 267                 return V4L2_STD_PAL_60;
 268         case ADV7180_STATUS1_AUTOD_PAL_B_G:
 269                 return V4L2_STD_PAL;
 270         case ADV7180_STATUS1_AUTOD_SECAM:
 271                 return V4L2_STD_SECAM;
 272         case ADV7180_STATUS1_AUTOD_PAL_COMB:
 273                 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
 274         case ADV7180_STATUS1_AUTOD_SECAM_525:
 275                 return V4L2_STD_SECAM;
 276         default:
 277                 return V4L2_STD_UNKNOWN;
 278         }
 279 }
 280
 281 static int v4l2_std_to_adv7180(v4l2_std_id std)
 282 {
 283         if (std == V4L2_STD_PAL_60)
 284                 return ADV7180_STD_PAL60;
 285         if (std == V4L2_STD_NTSC_443)
 286                 return ADV7180_STD_NTSC_443;
 287         if (std == V4L2_STD_PAL_N)
 288                 return ADV7180_STD_PAL_N;
 289         if (std == V4L2_STD_PAL_M)
 290                 return ADV7180_STD_PAL_M;
 291         if (std == V4L2_STD_PAL_Nc)
 292                 return ADV7180_STD_PAL_COMB_N;
 293
 294         if (std & V4L2_STD_PAL)
 295                 return ADV7180_STD_PAL_BG;
 296         if (std & V4L2_STD_NTSC)
 297                 return ADV7180_STD_NTSC_M;
 298         if (std & V4L2_STD_SECAM)
 299                 return ADV7180_STD_PAL_SECAM;
 300
 301         return -EINVAL;
 302 }
 303
 304 static u32 adv7180_status_to_v4l2(u8 status1)
 305 {
 306         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 307                 return V4L2_IN_ST_NO_SIGNAL;
 308
 309         return 0;
 310 }
 311
 312 static int __adv7180_status(struct adv7180_state *state, u32 *status,
 313                             v4l2_std_id *std)
 314 {
 315         int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
 316
 317         if (status1 < 0)
 318                 return status1;
 319
 320         if (status)
 321                 *status = adv7180_status_to_v4l2(status1);
 322         if (std)
 323                 *std = adv7180_std_to_v4l2(status1);
 324
 325         return 0;
 326 }
 327
 328 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
 329 {
 330         return container_of(sd, struct adv7180_state, sd);
 331 }
 332
 333 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 334 {
 335         struct adv7180_state *state = to_state(sd);
 336         int err = mutex_lock_interruptible(&state->mutex);
 337         if (err)
 338                 return err;
 339
 340         /* when we are interrupt driven we know the state */
 341         if (!state->autodetect || state->irq > 0)
 342                 *std = state->curr_norm;
 343         else
 344                 err = __adv7180_status(state, NULL, std);
 345
 346         mutex_unlock(&state->mutex);
 347         return err;
 348 }
 349
 350 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
 351                              u32 output, u32 config)
 352 {
 353         struct adv7180_state *state = to_state(sd);
 354         int ret = mutex_lock_interruptible(&state->mutex);
 355
 356         if (ret)
 357                 return ret;
 358
 359         if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
 360                 ret = -EINVAL;
 361                 goto out;
 362         }
 363
 364         ret = state->chip_info->select_input(state, input);
 365
 366         if (ret == 0)
 367                 state->input = input;
 368 out:
 369         mutex_unlock(&state->mutex);
 370         return ret;
 371 }
 372
 373 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
 374 {
 375         struct adv7180_state *state = to_state(sd);
 376         int ret = mutex_lock_interruptible(&state->mutex);
 377         if (ret)
 378                 return ret;
 379
 380         ret = __adv7180_status(state, status, NULL);
 381         mutex_unlock(&state->mutex);
 382         return ret;
 383 }
 384
 385 static int adv7180_program_std(struct adv7180_state *state)
 386 {
 387         int ret;
 388
 389         if (state->autodetect) {
 390                 ret = adv7180_set_video_standard(state,
 391                         ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
 392                 if (ret < 0)
 393                         return ret;
 394
 395                 __adv7180_status(state, NULL, &state->curr_norm);
 396         } else {
 397                 ret = v4l2_std_to_adv7180(state->curr_norm);
 398                 if (ret < 0)
 399                         return ret;
 400
 401                 ret = adv7180_set_video_standard(state, ret);
 402                 if (ret < 0)
 403                         return ret;
 404         }
 405
 406         return 0;
 407 }
 408
 409 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 410 {
 411         struct adv7180_state *state = to_state(sd);
 412         int ret = mutex_lock_interruptible(&state->mutex);
 413
 414         if (ret)
 415                 return ret;
 416
 417         /* all standards -> autodetect */
 418         if (std == V4L2_STD_ALL) {
 419                 state->autodetect = true;
 420         } else {
 421                 /* Make sure we can support this std */
 422                 ret = v4l2_std_to_adv7180(std);
 423                 if (ret < 0)
 424                         goto out;
 425
 426                 state->curr_norm = std;
 427                 state->autodetect = false;
 428         }
 429
 430         ret = adv7180_program_std(state);
 431 out:
 432         mutex_unlock(&state->mutex);
 433         return ret;
 434 }
 435
 436 static int adv7180_set_power(struct adv7180_state *state, bool on)
 437 {
 438         u8 val;
 439         int ret;
 440
 441         if (on)
 442                 val = ADV7180_PWR_MAN_ON;
 443         else
 444                 val = ADV7180_PWR_MAN_OFF;
 445
 446         ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
 447         if (ret)
 448                 return ret;
 449
 450         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 451                 if (on) {
 452                         adv7180_csi_write(state, 0xDE, 0x02);
 453                         adv7180_csi_write(state, 0xD2, 0xF7);
 454                         adv7180_csi_write(state, 0xD8, 0x65);
 455                         adv7180_csi_write(state, 0xE0, 0x09);
 456                         adv7180_csi_write(state, 0x2C, 0x00);
 457                         if (state->field == V4L2_FIELD_NONE)
 458                                 adv7180_csi_write(state, 0x1D, 0x80);
 459                         adv7180_csi_write(state, 0x00, 0x00);
 460                 } else {
 461                         adv7180_csi_write(state, 0x00, 0x80);
 462                 }
 463         }
 464
 465         return 0;
 466 }
 467
 468 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
 469 {
 470         struct adv7180_state *state = to_state(sd);
 471         int ret;
 472
 473         ret = mutex_lock_interruptible(&state->mutex);
 474         if (ret)
 475                 return ret;
 476
 477         ret = adv7180_set_power(state, on);
 478         if (ret == 0)
 479                 state->powered = on;
 480
 481         mutex_unlock(&state->mutex);
 482         return ret;
 483 }
 484
 485 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
 486 {
 487         struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
 488         struct adv7180_state *state = to_state(sd);
 489         int ret = mutex_lock_interruptible(&state->mutex);
 490         int val;
 491
 492         if (ret)
 493                 return ret;
 494         val = ctrl->val;
 495         switch (ctrl->id) {
 496         case V4L2_CID_BRIGHTNESS:
 497                 ret = adv7180_write(state, ADV7180_REG_BRI, val);
 498                 break;
 499         case V4L2_CID_HUE:
 500                 /*Hue is inverted according to HSL chart */
 501                 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
 502                 break;
 503         case V4L2_CID_CONTRAST:
 504                 ret = adv7180_write(state, ADV7180_REG_CON, val);
 505                 break;
 506         case V4L2_CID_SATURATION:
 507                 /*
 508                  *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
 509                  *Let's not confuse the user, everybody understands saturation
 510                  */
 511                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
 512                 if (ret < 0)
 513                         break;
 514                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
 515                 break;
 516         case V4L2_CID_ADV_FAST_SWITCH:
 517                 if (ctrl->val) {
 518                         /* ADI required write */
 519                         adv7180_write(state, 0x80d9, 0x44);
 520                         adv7180_write(state, ADV7180_REG_FLCONTROL,
 521                                 ADV7180_FLCONTROL_FL_ENABLE);
 522                 } else {
 523                         /* ADI required write */
 524                         adv7180_write(state, 0x80d9, 0xc4);
 525                         adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
 526                 }
 527                 break;
 528         default:
 529                 ret = -EINVAL;
 530         }
 531
 532         mutex_unlock(&state->mutex);
 533         return ret;
 534 }
 535
 536 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
 537         .s_ctrl = adv7180_s_ctrl,
 538 };
 539
 540 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
 541         .ops = &adv7180_ctrl_ops,
 542         .id = V4L2_CID_ADV_FAST_SWITCH,
 543         .name = "Fast Switching",
 544         .type = V4L2_CTRL_TYPE_BOOLEAN,
 545         .min = 0,
 546         .max = 1,
 547         .step = 1,
 548 };
 549
 550 static int adv7180_init_controls(struct adv7180_state *state)
 551 {
 552         v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
 553
 554         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 555                           V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
 556                           ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
 557         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 558                           V4L2_CID_CONTRAST, ADV7180_CON_MIN,
 559                           ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
 560         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 561                           V4L2_CID_SATURATION, ADV7180_SAT_MIN,
 562                           ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
 563         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 564                           V4L2_CID_HUE, ADV7180_HUE_MIN,
 565                           ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
 566         v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
 567
 568         state->sd.ctrl_handler = &state->ctrl_hdl;
 569         if (state->ctrl_hdl.error) {
 570                 int err = state->ctrl_hdl.error;
 571
 572                 v4l2_ctrl_handler_free(&state->ctrl_hdl);
 573                 return err;
 574         }
 575         v4l2_ctrl_handler_setup(&state->ctrl_hdl);
 576
 577         return 0;
 578 }
 579 static void adv7180_exit_controls(struct adv7180_state *state)
 580 {
 581         v4l2_ctrl_handler_free(&state->ctrl_hdl);
 582 }
 583
 584 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
 585                                   struct v4l2_subdev_pad_config *cfg,
 586                                   struct v4l2_subdev_mbus_code_enum *code)
 587 {
 588         if (code->index != 0)
 589                 return -EINVAL;
 590
 591         code->code = MEDIA_BUS_FMT_YUYV8_2X8;
 592
 593         return 0;
 594 }
 595
 596 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
 597                             struct v4l2_mbus_framefmt *fmt)
 598 {
 599         struct adv7180_state *state = to_state(sd);
 600
 601         fmt->code = MEDIA_BUS_FMT_YUYV8_2X8;
 602         fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 603         fmt->width = 720;
 604         fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
 605
 606         return 0;
 607 }
 608
 609 static int adv7180_set_field_mode(struct adv7180_state *state)
 610 {
 611         if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
 612                 return 0;
 613
 614         if (state->field == V4L2_FIELD_NONE) {
 615                 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 616                         adv7180_csi_write(state, 0x01, 0x20);
 617                         adv7180_csi_write(state, 0x02, 0x28);
 618                         adv7180_csi_write(state, 0x03, 0x38);
 619                         adv7180_csi_write(state, 0x04, 0x30);
 620                         adv7180_csi_write(state, 0x05, 0x30);
 621                         adv7180_csi_write(state, 0x06, 0x80);
 622                         adv7180_csi_write(state, 0x07, 0x70);
 623                         adv7180_csi_write(state, 0x08, 0x50);
 624                 }
 625                 adv7180_vpp_write(state, 0xa3, 0x00);
 626                 adv7180_vpp_write(state, 0x5b, 0x00);
 627                 adv7180_vpp_write(state, 0x55, 0x80);
 628         } else {
 629                 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 630                         adv7180_csi_write(state, 0x01, 0x18);
 631                         adv7180_csi_write(state, 0x02, 0x18);
 632                         adv7180_csi_write(state, 0x03, 0x30);
 633                         adv7180_csi_write(state, 0x04, 0x20);
 634                         adv7180_csi_write(state, 0x05, 0x28);
 635                         adv7180_csi_write(state, 0x06, 0x40);
 636                         adv7180_csi_write(state, 0x07, 0x58);
 637                         adv7180_csi_write(state, 0x08, 0x30);
 638                 }
 639                 adv7180_vpp_write(state, 0xa3, 0x70);
 640                 adv7180_vpp_write(state, 0x5b, 0x80);
 641                 adv7180_vpp_write(state, 0x55, 0x00);
 642         }
 643
 644         return 0;
 645 }
 646
 647 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
 648                                   struct v4l2_subdev_pad_config *cfg,
 649                                   struct v4l2_subdev_format *format)
 650 {
 651         struct adv7180_state *state = to_state(sd);
 652
 653         if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
 654                 format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
 655         } else {
 656                 adv7180_mbus_fmt(sd, &format->format);
 657                 format->format.field = state->field;
 658         }
 659
 660         return 0;
 661 }
 662
 663 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
 664                                   struct v4l2_subdev_pad_config *cfg,
 665                                   struct v4l2_subdev_format *format)
 666 {
 667         struct adv7180_state *state = to_state(sd);
 668         struct v4l2_mbus_framefmt *framefmt;
 669
 670         switch (format->format.field) {
 671         case V4L2_FIELD_NONE:
 672                 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
 673                         format->format.field = V4L2_FIELD_INTERLACED;
 674                 break;
 675         default:
 676                 format->format.field = V4L2_FIELD_INTERLACED;
 677                 break;
 678         }
 679
 680         if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
 681                 framefmt = &format->format;
 682                 if (state->field != format->format.field) {
 683                         state->field = format->format.field;
 684                         adv7180_set_power(state, false);
 685                         adv7180_set_field_mode(state);
 686                         adv7180_set_power(state, true);
 687                 }
 688         } else {
 689                 framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
 690                 *framefmt = format->format;
 691         }
 692
 693         return adv7180_mbus_fmt(sd, framefmt);
 694 }
 695
 696 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 697                                  struct v4l2_mbus_config *cfg)
 698 {
 699         struct adv7180_state *state = to_state(sd);
 700
 701         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 702                 cfg->type = V4L2_MBUS_CSI2;
 703                 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
 704                                 V4L2_MBUS_CSI2_CHANNEL_0 |
 705                                 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
 706         } else {
 707                 /*
 708                  * The ADV7180 sensor supports BT.601/656 output modes.
 709                  * The BT.656 is default and not yet configurable by s/w.
 710                  */
 711                 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
 712                                  V4L2_MBUS_DATA_ACTIVE_HIGH;
 713                 cfg->type = V4L2_MBUS_BT656;
 714         }
 715
 716         return 0;
 717 }
 718
 719 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
 720         .s_std = adv7180_s_std,
 721         .querystd = adv7180_querystd,
 722         .g_input_status = adv7180_g_input_status,
 723         .s_routing = adv7180_s_routing,
 724         .g_mbus_config = adv7180_g_mbus_config,
 725 };
 726
 727
 728 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
 729         .s_power = adv7180_s_power,
 730 };
 731
 732 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
 733         .enum_mbus_code = adv7180_enum_mbus_code,
 734         .set_fmt = adv7180_set_pad_format,
 735         .get_fmt = adv7180_get_pad_format,
 736 };
 737
 738 static const struct v4l2_subdev_ops adv7180_ops = {
 739         .core = &adv7180_core_ops,
 740         .video = &adv7180_video_ops,
 741         .pad = &adv7180_pad_ops,
 742 };
 743
 744 static irqreturn_t adv7180_irq(int irq, void *devid)
 745 {
 746         struct adv7180_state *state = devid;
 747         u8 isr3;
 748
 749         mutex_lock(&state->mutex);
 750         isr3 = adv7180_read(state, ADV7180_REG_ISR3);
 751         /* clear */
 752         adv7180_write(state, ADV7180_REG_ICR3, isr3);
 753
 754         if (isr3 & ADV7180_IRQ3_AD_CHANGE && state->autodetect)
 755                 __adv7180_status(state, NULL, &state->curr_norm);
 756         mutex_unlock(&state->mutex);
 757
 758         return IRQ_HANDLED;
 759 }
 760
 761 static int adv7180_init(struct adv7180_state *state)
 762 {
 763         int ret;
 764
 765         /* ITU-R BT.656-4 compatible */
 766         ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
 767                         ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
 768         if (ret < 0)
 769                 return ret;
 770
 771         /* Manually set V bit end position in NTSC mode */
 772         return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
 773                                         ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
 774 }
 775
 776 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
 777 {
 778         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
 779                 (std << 4) | state->input);
 780 }
 781
 782 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
 783 {
 784         int ret;
 785
 786         ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
 787         if (ret < 0)
 788                 return ret;
 789
 790         ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
 791         ret |= input;
 792         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
 793 }
 794
 795 static int adv7182_init(struct adv7180_state *state)
 796 {
 797         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
 798                 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
 799                         ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
 800
 801         if (state->chip_info->flags & ADV7180_FLAG_I2P)
 802                 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
 803                         ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
 804
 805         if (state->chip_info->flags & ADV7180_FLAG_V2) {
 806                 /* ADI recommended writes for improved video quality */
 807                 adv7180_write(state, 0x0080, 0x51);
 808                 adv7180_write(state, 0x0081, 0x51);
 809                 adv7180_write(state, 0x0082, 0x68);
 810         }
 811
 812         /* ADI required writes */
 813         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 814                 adv7180_write(state, 0x0003, 0x4e);
 815                 adv7180_write(state, 0x0004, 0x57);
 816                 adv7180_write(state, 0x001d, 0xc0);
 817         } else {
 818                 if (state->chip_info->flags & ADV7180_FLAG_V2)
 819                         adv7180_write(state, 0x0004, 0x17);
 820                 else
 821                         adv7180_write(state, 0x0004, 0x07);
 822                 adv7180_write(state, 0x0003, 0x0c);
 823                 adv7180_write(state, 0x001d, 0x40);
 824         }
 825
 826         adv7180_write(state, 0x0013, 0x00);
 827
 828         return 0;
 829 }
 830
 831 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
 832 {
 833         return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
 834 }
 835
 836 enum adv7182_input_type {
 837         ADV7182_INPUT_TYPE_CVBS,
 838         ADV7182_INPUT_TYPE_DIFF_CVBS,
 839         ADV7182_INPUT_TYPE_SVIDEO,
 840         ADV7182_INPUT_TYPE_YPBPR,
 841 };
 842
 843 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
 844 {
 845         switch (input) {
 846         case ADV7182_INPUT_CVBS_AIN1:
 847         case ADV7182_INPUT_CVBS_AIN2:
 848         case ADV7182_INPUT_CVBS_AIN3:
 849         case ADV7182_INPUT_CVBS_AIN4:
 850         case ADV7182_INPUT_CVBS_AIN5:
 851         case ADV7182_INPUT_CVBS_AIN6:
 852         case ADV7182_INPUT_CVBS_AIN7:
 853         case ADV7182_INPUT_CVBS_AIN8:
 854                 return ADV7182_INPUT_TYPE_CVBS;
 855         case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
 856         case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
 857         case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
 858         case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
 859                 return ADV7182_INPUT_TYPE_SVIDEO;
 860         case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
 861         case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
 862                 return ADV7182_INPUT_TYPE_YPBPR;
 863         case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
 864         case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
 865         case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
 866         case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
 867                 return ADV7182_INPUT_TYPE_DIFF_CVBS;
 868         default: /* Will never happen */
 869                 return 0;
 870         }
 871 }
 872
 873 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
 874 static unsigned int adv7182_lbias_settings[][3] = {
 875         [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
 876         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 877         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 878         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 879 };
 880
 881 static unsigned int adv7280_lbias_settings[][3] = {
 882         [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
 883         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 884         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 885         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 886 };
 887
 888 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
 889 {
 890         enum adv7182_input_type input_type;
 891         unsigned int *lbias;
 892         unsigned int i;
 893         int ret;
 894
 895         ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
 896         if (ret)
 897                 return ret;
 898
 899         /* Reset clamp circuitry - ADI recommended writes */
 900         adv7180_write(state, 0x809c, 0x00);
 901         adv7180_write(state, 0x809c, 0xff);
 902
 903         input_type = adv7182_get_input_type(input);
 904
 905         switch (input_type) {
 906         case ADV7182_INPUT_TYPE_CVBS:
 907         case ADV7182_INPUT_TYPE_DIFF_CVBS:
 908                 /* ADI recommends to use the SH1 filter */
 909                 adv7180_write(state, 0x0017, 0x41);
 910                 break;
 911         default:
 912                 adv7180_write(state, 0x0017, 0x01);
 913                 break;
 914         }
 915
 916         if (state->chip_info->flags & ADV7180_FLAG_V2)
 917                 lbias = adv7280_lbias_settings[input_type];
 918         else
 919                 lbias = adv7182_lbias_settings[input_type];
 920
 921         for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
 922                 adv7180_write(state, 0x0052 + i, lbias[i]);
 923
 924         if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
 925                 /* ADI required writes to make differential CVBS work */
 926                 adv7180_write(state, 0x005f, 0xa8);
 927                 adv7180_write(state, 0x005a, 0x90);
 928                 adv7180_write(state, 0x0060, 0xb0);
 929                 adv7180_write(state, 0x80b6, 0x08);
 930                 adv7180_write(state, 0x80c0, 0xa0);
 931         } else {
 932                 adv7180_write(state, 0x005f, 0xf0);
 933                 adv7180_write(state, 0x005a, 0xd0);
 934                 adv7180_write(state, 0x0060, 0x10);
 935                 adv7180_write(state, 0x80b6, 0x9c);
 936                 adv7180_write(state, 0x80c0, 0x00);
 937         }
 938
 939         return 0;
 940 }
 941
 942 static const struct adv7180_chip_info adv7180_info = {
 943         .flags = ADV7180_FLAG_RESET_POWERED,
 944         /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
 945          * all inputs and let the card driver take care of validation
 946          */
 947         .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
 948                 BIT(ADV7180_INPUT_CVBS_AIN2) |
 949                 BIT(ADV7180_INPUT_CVBS_AIN3) |
 950                 BIT(ADV7180_INPUT_CVBS_AIN4) |
 951                 BIT(ADV7180_INPUT_CVBS_AIN5) |
 952                 BIT(ADV7180_INPUT_CVBS_AIN6) |
 953                 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
 954                 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
 955                 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
 956                 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 957                 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
 958         .init = adv7180_init,
 959         .set_std = adv7180_set_std,
 960         .select_input = adv7180_select_input,
 961 };
 962
 963 static const struct adv7180_chip_info adv7182_info = {
 964         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 965                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 966                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 967                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 968                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 969                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 970                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 971                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
 972                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
 973         .init = adv7182_init,
 974         .set_std = adv7182_set_std,
 975         .select_input = adv7182_select_input,
 976 };
 977
 978 static const struct adv7180_chip_info adv7280_info = {
 979         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
 980         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 981                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 982                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 983                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 984                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 985                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 986                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
 987         .init = adv7182_init,
 988         .set_std = adv7182_set_std,
 989         .select_input = adv7182_select_input,
 990 };
 991
 992 static const struct adv7180_chip_info adv7280_m_info = {
 993         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
 994         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 995                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 996                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 997                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 998                 BIT(ADV7182_INPUT_CVBS_AIN5) |
 999                 BIT(ADV7182_INPUT_CVBS_AIN6) |
1000                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1001                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1002                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1003                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1004                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1005                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1006                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1007                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1008         .init = adv7182_init,
1009         .set_std = adv7182_set_std,
1010         .select_input = adv7182_select_input,
1011 };
1012
1013 static const struct adv7180_chip_info adv7281_info = {
1014         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1015         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1016                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1017                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1018                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1019                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1020                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1021                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1022                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1023         .init = adv7182_init,
1024         .set_std = adv7182_set_std,
1025         .select_input = adv7182_select_input,
1026 };
1027
1028 static const struct adv7180_chip_info adv7281_m_info = {
1029         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1030         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1031                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1032                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1033                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1034                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1035                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1036                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1037                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1038                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1039                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1040                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1041                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1042                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1043         .init = adv7182_init,
1044         .set_std = adv7182_set_std,
1045         .select_input = adv7182_select_input,
1046 };
1047
1048 static const struct adv7180_chip_info adv7281_ma_info = {
1049         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1050         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1051                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1052                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1053                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1054                 BIT(ADV7182_INPUT_CVBS_AIN5) |
1055                 BIT(ADV7182_INPUT_CVBS_AIN6) |
1056                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1057                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1058                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1059                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1060                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1061                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1062                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1063                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1064                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1065                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1066                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1067                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1068         .init = adv7182_init,
1069         .set_std = adv7182_set_std,
1070         .select_input = adv7182_select_input,
1071 };
1072
1073 static const struct adv7180_chip_info adv7282_info = {
1074         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1075         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1076                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1077                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1078                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1079                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1080                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1081                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1082                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1083         .init = adv7182_init,
1084         .set_std = adv7182_set_std,
1085         .select_input = adv7182_select_input,
1086 };
1087
1088 static const struct adv7180_chip_info adv7282_m_info = {
1089         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1090         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1091                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1092                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1093                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1094                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1095                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1096                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1097                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1098                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1099                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1100                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1101                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1102         .init = adv7182_init,
1103         .set_std = adv7182_set_std,
1104         .select_input = adv7182_select_input,
1105 };
1106
1107 static int init_device(struct adv7180_state *state)
1108 {
1109         int ret;
1110
1111         mutex_lock(&state->mutex);
1112
1113         adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1114         usleep_range(2000, 10000);
1115
1116         ret = state->chip_info->init(state);
1117         if (ret)
1118                 goto out_unlock;
1119
1120         ret = adv7180_program_std(state);
1121         if (ret)
1122                 goto out_unlock;
1123
1124         adv7180_set_field_mode(state);
1125
1126         /* register for interrupts */
1127         if (state->irq > 0) {
1128                 /* config the Interrupt pin to be active low */
1129                 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1130                                                 ADV7180_ICONF1_ACTIVE_LOW |
1131                                                 ADV7180_ICONF1_PSYNC_ONLY);
1132                 if (ret < 0)
1133                         goto out_unlock;
1134
1135                 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1136                 if (ret < 0)
1137                         goto out_unlock;
1138
1139                 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1140                 if (ret < 0)
1141                         goto out_unlock;
1142
1143                 /* enable AD change interrupts interrupts */
1144                 ret = adv7180_write(state, ADV7180_REG_IMR3,
1145                                                 ADV7180_IRQ3_AD_CHANGE);
1146                 if (ret < 0)
1147                         goto out_unlock;
1148
1149                 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1150                 if (ret < 0)
1151                         goto out_unlock;
1152         }
1153
1154 out_unlock:
1155         mutex_unlock(&state->mutex);
1156
1157         return ret;
1158 }
1159
1160 static int adv7180_probe(struct i2c_client *client,
1161                          const struct i2c_device_id *id)
1162 {
1163         struct adv7180_state *state;
1164         struct v4l2_subdev *sd;
1165         int ret;
1166
1167         /* Check if the adapter supports the needed features */
1168         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1169                 return -EIO;
1170
1171         v4l_info(client, "chip found @ 0x%02x (%s)\n",
1172                  client->addr, client->adapter->name);
1173
1174         state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1175         if (state == NULL)
1176                 return -ENOMEM;
1177
1178         state->client = client;
1179         state->field = V4L2_FIELD_INTERLACED;
1180         state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1181
1182         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1183                 state->csi_client = i2c_new_dummy(client->adapter,
1184                                 ADV7180_DEFAULT_CSI_I2C_ADDR);
1185                 if (!state->csi_client)
1186                         return -ENOMEM;
1187         }
1188
1189         if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1190                 state->vpp_client = i2c_new_dummy(client->adapter,
1191                                 ADV7180_DEFAULT_VPP_I2C_ADDR);
1192                 if (!state->vpp_client) {
1193                         ret = -ENOMEM;
1194                         goto err_unregister_csi_client;
1195                 }
1196         }
1197
1198         state->irq = client->irq;
1199         mutex_init(&state->mutex);
1200         state->autodetect = true;
1201         if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1202                 state->powered = true;
1203         else
1204                 state->powered = false;
1205         state->input = 0;
1206         sd = &state->sd;
1207         v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1208         sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
1209
1210         ret = adv7180_init_controls(state);
1211         if (ret)
1212                 goto err_unregister_vpp_client;
1213
1214         state->pad.flags = MEDIA_PAD_FL_SOURCE;
1215         sd->entity.flags |= MEDIA_ENT_T_V4L2_SUBDEV_DECODER;
1216         ret = media_entity_init(&sd->entity, 1, &state->pad, 0);
1217         if (ret)
1218                 goto err_free_ctrl;
1219
1220         ret = init_device(state);
1221         if (ret)
1222                 goto err_media_entity_cleanup;
1223
1224         if (state->irq) {
1225                 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1226                                            IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1227                                            KBUILD_MODNAME, state);
1228                 if (ret)
1229                         goto err_media_entity_cleanup;
1230         }
1231
1232         ret = v4l2_async_register_subdev(sd);
1233         if (ret)
1234                 goto err_free_irq;
1235
1236         return 0;
1237
1238 err_free_irq:
1239         if (state->irq > 0)
1240                 free_irq(client->irq, state);
1241 err_media_entity_cleanup:
1242         media_entity_cleanup(&sd->entity);
1243 err_free_ctrl:
1244         adv7180_exit_controls(state);
1245 err_unregister_vpp_client:
1246         if (state->chip_info->flags & ADV7180_FLAG_I2P)
1247                 i2c_unregister_device(state->vpp_client);
1248 err_unregister_csi_client:
1249         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1250                 i2c_unregister_device(state->csi_client);
1251         mutex_destroy(&state->mutex);
1252         return ret;
1253 }
1254
1255 static int adv7180_remove(struct i2c_client *client)
1256 {
1257         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1258         struct adv7180_state *state = to_state(sd);
1259
1260         v4l2_async_unregister_subdev(sd);
1261
1262         if (state->irq > 0)
1263                 free_irq(client->irq, state);
1264
1265         media_entity_cleanup(&sd->entity);
1266         adv7180_exit_controls(state);
1267
1268         if (state->chip_info->flags & ADV7180_FLAG_I2P)
1269                 i2c_unregister_device(state->vpp_client);
1270         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1271                 i2c_unregister_device(state->csi_client);
1272
1273         mutex_destroy(&state->mutex);
1274
1275         return 0;
1276 }
1277
1278 static const struct i2c_device_id adv7180_id[] = {
1279         { "adv7180", (kernel_ulong_t)&adv7180_info },
1280         { "adv7182", (kernel_ulong_t)&adv7182_info },
1281         { "adv7280", (kernel_ulong_t)&adv7280_info },
1282         { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1283         { "adv7281", (kernel_ulong_t)&adv7281_info },
1284         { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1285         { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1286         { "adv7282", (kernel_ulong_t)&adv7282_info },
1287         { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1288         {},
1289 };
1290 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1291
1292 #ifdef CONFIG_PM_SLEEP
1293 static int adv7180_suspend(struct device *dev)
1294 {
1295         struct i2c_client *client = to_i2c_client(dev);
1296         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1297         struct adv7180_state *state = to_state(sd);
1298
1299         return adv7180_set_power(state, false);
1300 }
1301
1302 static int adv7180_resume(struct device *dev)
1303 {
1304         struct i2c_client *client = to_i2c_client(dev);
1305         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1306         struct adv7180_state *state = to_state(sd);
1307         int ret;
1308
1309         ret = init_device(state);
1310         if (ret < 0)
1311                 return ret;
1312
1313         ret = adv7180_set_power(state, state->powered);
1314         if (ret)
1315                 return ret;
1316
1317         return 0;
1318 }
1319
1320 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1321 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1322
1323 #else
1324 #define ADV7180_PM_OPS NULL
1325 #endif
1326
1327 static struct i2c_driver adv7180_driver = {
1328         .driver = {
1329                    .owner = THIS_MODULE,
1330                    .name = KBUILD_MODNAME,
1331                    .pm = ADV7180_PM_OPS,
1332                    },
1333         .probe = adv7180_probe,
1334         .remove = adv7180_remove,
1335         .id_table = adv7180_id,
1336 };
1337
1338 module_i2c_driver(adv7180_driver);
1339
1340 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1341 MODULE_AUTHOR("Mocean Laboratories");
1342 MODULE_LICENSE("GPL v2");