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 <linux/of.h>
  29 #include <media/v4l2-ioctl.h>
  30 #include <linux/videodev2.h>
  31 #include <media/v4l2-device.h>
  32 #include <media/v4l2-ctrls.h>
  33 #include <linux/mutex.h>
  34 #include <linux/delay.h>
  35
  36 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM              0x0
  37 #define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED          0x1
  38 #define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM               0x2
  39 #define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM               0x3
  40 #define ADV7180_STD_NTSC_J                              0x4
  41 #define ADV7180_STD_NTSC_M                              0x5
  42 #define ADV7180_STD_PAL60                               0x6
  43 #define ADV7180_STD_NTSC_443                            0x7
  44 #define ADV7180_STD_PAL_BG                              0x8
  45 #define ADV7180_STD_PAL_N                               0x9
  46 #define ADV7180_STD_PAL_M                               0xa
  47 #define ADV7180_STD_PAL_M_PED                           0xb
  48 #define ADV7180_STD_PAL_COMB_N                          0xc
  49 #define ADV7180_STD_PAL_COMB_N_PED                      0xd
  50 #define ADV7180_STD_PAL_SECAM                           0xe
  51 #define ADV7180_STD_PAL_SECAM_PED                       0xf
  52
  53 #define ADV7180_REG_INPUT_CONTROL                       0x0000
  54 #define ADV7180_INPUT_CONTROL_INSEL_MASK                0x0f
  55
  56 #define ADV7182_REG_INPUT_VIDSEL                        0x0002
  57
  58 #define ADV7180_REG_EXTENDED_OUTPUT_CONTROL             0x0004
  59 #define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS         0xC5
  60
  61 #define ADV7180_REG_AUTODETECT_ENABLE                   0x07
  62 #define ADV7180_AUTODETECT_DEFAULT                      0x7f
  63 /* Contrast */
  64 #define ADV7180_REG_CON         0x0008  /*Unsigned */
  65 #define ADV7180_CON_MIN         0
  66 #define ADV7180_CON_DEF         128
  67 #define ADV7180_CON_MAX         255
  68 /* Brightness*/
  69 #define ADV7180_REG_BRI         0x000a  /*Signed */
  70 #define ADV7180_BRI_MIN         -128
  71 #define ADV7180_BRI_DEF         0
  72 #define ADV7180_BRI_MAX         127
  73 /* Hue */
  74 #define ADV7180_REG_HUE         0x000b  /*Signed, inverted */
  75 #define ADV7180_HUE_MIN         -127
  76 #define ADV7180_HUE_DEF         0
  77 #define ADV7180_HUE_MAX         128
  78
  79 #define ADV7180_REG_CTRL                0x000e
  80 #define ADV7180_CTRL_IRQ_SPACE          0x20
  81
  82 #define ADV7180_REG_PWR_MAN             0x0f
  83 #define ADV7180_PWR_MAN_ON              0x04
  84 #define ADV7180_PWR_MAN_OFF             0x24
  85 #define ADV7180_PWR_MAN_RES             0x80
  86
  87 #define ADV7180_REG_STATUS1             0x0010
  88 #define ADV7180_STATUS1_IN_LOCK         0x01
  89 #define ADV7180_STATUS1_AUTOD_MASK      0x70
  90 #define ADV7180_STATUS1_AUTOD_NTSM_M_J  0x00
  91 #define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
  92 #define ADV7180_STATUS1_AUTOD_PAL_M     0x20
  93 #define ADV7180_STATUS1_AUTOD_PAL_60    0x30
  94 #define ADV7180_STATUS1_AUTOD_PAL_B_G   0x40
  95 #define ADV7180_STATUS1_AUTOD_SECAM     0x50
  96 #define ADV7180_STATUS1_AUTOD_PAL_COMB  0x60
  97 #define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
  98
  99 #define ADV7180_REG_IDENT 0x0011
 100 #define ADV7180_ID_7180 0x18
 101
 102 #define ADV7180_REG_ICONF1              0x0040
 103 #define ADV7180_ICONF1_ACTIVE_LOW       0x01
 104 #define ADV7180_ICONF1_PSYNC_ONLY       0x10
 105 #define ADV7180_ICONF1_ACTIVE_TO_CLR    0xC0
 106 /* Saturation */
 107 #define ADV7180_REG_SD_SAT_CB   0x00e3  /*Unsigned */
 108 #define ADV7180_REG_SD_SAT_CR   0x00e4  /*Unsigned */
 109 #define ADV7180_SAT_MIN         0
 110 #define ADV7180_SAT_DEF         128
 111 #define ADV7180_SAT_MAX         255
 112
 113 #define ADV7180_IRQ1_LOCK       0x01
 114 #define ADV7180_IRQ1_UNLOCK     0x02
 115 #define ADV7180_REG_ISR1        0x0042
 116 #define ADV7180_REG_ICR1        0x0043
 117 #define ADV7180_REG_IMR1        0x0044
 118 #define ADV7180_REG_IMR2        0x0048
 119 #define ADV7180_IRQ3_AD_CHANGE  0x08
 120 #define ADV7180_REG_ISR3        0x004A
 121 #define ADV7180_REG_ICR3        0x004B
 122 #define ADV7180_REG_IMR3        0x004C
 123 #define ADV7180_REG_IMR4        0x50
 124
 125 #define ADV7180_REG_NTSC_V_BIT_END      0x00E6
 126 #define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND     0x4F
 127
 128 #define ADV7180_REG_VPP_SLAVE_ADDR      0xFD
 129 #define ADV7180_REG_CSI_SLAVE_ADDR      0xFE
 130
 131 #define ADV7180_REG_FLCONTROL 0x40e0
 132 #define ADV7180_FLCONTROL_FL_ENABLE 0x1
 133
 134 #define ADV7180_CSI_REG_PWRDN   0x00
 135 #define ADV7180_CSI_PWRDN       0x80
 136
 137 #define ADV7180_INPUT_CVBS_AIN1 0x00
 138 #define ADV7180_INPUT_CVBS_AIN2 0x01
 139 #define ADV7180_INPUT_CVBS_AIN3 0x02
 140 #define ADV7180_INPUT_CVBS_AIN4 0x03
 141 #define ADV7180_INPUT_CVBS_AIN5 0x04
 142 #define ADV7180_INPUT_CVBS_AIN6 0x05
 143 #define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
 144 #define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
 145 #define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
 146 #define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
 147 #define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
 148
 149 #define ADV7182_INPUT_CVBS_AIN1 0x00
 150 #define ADV7182_INPUT_CVBS_AIN2 0x01
 151 #define ADV7182_INPUT_CVBS_AIN3 0x02
 152 #define ADV7182_INPUT_CVBS_AIN4 0x03
 153 #define ADV7182_INPUT_CVBS_AIN5 0x04
 154 #define ADV7182_INPUT_CVBS_AIN6 0x05
 155 #define ADV7182_INPUT_CVBS_AIN7 0x06
 156 #define ADV7182_INPUT_CVBS_AIN8 0x07
 157 #define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
 158 #define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
 159 #define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
 160 #define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
 161 #define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
 162 #define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
 163 #define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
 164 #define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
 165 #define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
 166 #define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
 167
 168 #define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
 169 #define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
 170
 171 #define V4L2_CID_ADV_FAST_SWITCH        (V4L2_CID_USER_ADV7180_BASE + 0x00)
 172
 173 struct adv7180_state;
 174
 175 #define ADV7180_FLAG_RESET_POWERED      BIT(0)
 176 #define ADV7180_FLAG_V2                 BIT(1)
 177 #define ADV7180_FLAG_MIPI_CSI2          BIT(2)
 178 #define ADV7180_FLAG_I2P                BIT(3)
 179
 180 struct adv7180_chip_info {
 181         unsigned int flags;
 182         unsigned int valid_input_mask;
 183         int (*set_std)(struct adv7180_state *st, unsigned int std);
 184         int (*select_input)(struct adv7180_state *st, unsigned int input);
 185         int (*init)(struct adv7180_state *state);
 186 };
 187
 188 struct adv7180_state {
 189         struct v4l2_ctrl_handler ctrl_hdl;
 190         struct v4l2_subdev      sd;
 191         struct media_pad        pad;
 192         struct mutex            mutex; /* mutual excl. when accessing chip */
 193         int                     irq;
 194         v4l2_std_id             curr_norm;
 195         bool                    autodetect;
 196         bool                    powered;
 197         u8                      input;
 198
 199         struct i2c_client       *client;
 200         unsigned int            register_page;
 201         struct i2c_client       *csi_client;
 202         struct i2c_client       *vpp_client;
 203         const struct adv7180_chip_info *chip_info;
 204         enum v4l2_field         field;
 205 };
 206 #define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler,             \
 207                                             struct adv7180_state,       \
 208                                             ctrl_hdl)->sd)
 209
 210 static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
 211 {
 212         if (state->register_page != page) {
 213                 i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
 214                         page);
 215                 state->register_page = page;
 216         }
 217
 218         return 0;
 219 }
 220
 221 static int adv7180_write(struct adv7180_state *state, unsigned int reg,
 222         unsigned int value)
 223 {
 224         lockdep_assert_held(&state->mutex);
 225         adv7180_select_page(state, reg >> 8);
 226         return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
 227 }
 228
 229 static int adv7180_read(struct adv7180_state *state, unsigned int reg)
 230 {
 231         lockdep_assert_held(&state->mutex);
 232         adv7180_select_page(state, reg >> 8);
 233         return i2c_smbus_read_byte_data(state->client, reg & 0xff);
 234 }
 235
 236 static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
 237         unsigned int value)
 238 {
 239         return i2c_smbus_write_byte_data(state->csi_client, reg, value);
 240 }
 241
 242 static int adv7180_set_video_standard(struct adv7180_state *state,
 243         unsigned int std)
 244 {
 245         return state->chip_info->set_std(state, std);
 246 }
 247
 248 static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
 249         unsigned int value)
 250 {
 251         return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
 252 }
 253
 254 static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
 255 {
 256         /* in case V4L2_IN_ST_NO_SIGNAL */
 257         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 258                 return V4L2_STD_UNKNOWN;
 259
 260         switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
 261         case ADV7180_STATUS1_AUTOD_NTSM_M_J:
 262                 return V4L2_STD_NTSC;
 263         case ADV7180_STATUS1_AUTOD_NTSC_4_43:
 264                 return V4L2_STD_NTSC_443;
 265         case ADV7180_STATUS1_AUTOD_PAL_M:
 266                 return V4L2_STD_PAL_M;
 267         case ADV7180_STATUS1_AUTOD_PAL_60:
 268                 return V4L2_STD_PAL_60;
 269         case ADV7180_STATUS1_AUTOD_PAL_B_G:
 270                 return V4L2_STD_PAL;
 271         case ADV7180_STATUS1_AUTOD_SECAM:
 272                 return V4L2_STD_SECAM;
 273         case ADV7180_STATUS1_AUTOD_PAL_COMB:
 274                 return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
 275         case ADV7180_STATUS1_AUTOD_SECAM_525:
 276                 return V4L2_STD_SECAM;
 277         default:
 278                 return V4L2_STD_UNKNOWN;
 279         }
 280 }
 281
 282 static int v4l2_std_to_adv7180(v4l2_std_id std)
 283 {
 284         if (std == V4L2_STD_PAL_60)
 285                 return ADV7180_STD_PAL60;
 286         if (std == V4L2_STD_NTSC_443)
 287                 return ADV7180_STD_NTSC_443;
 288         if (std == V4L2_STD_PAL_N)
 289                 return ADV7180_STD_PAL_N;
 290         if (std == V4L2_STD_PAL_M)
 291                 return ADV7180_STD_PAL_M;
 292         if (std == V4L2_STD_PAL_Nc)
 293                 return ADV7180_STD_PAL_COMB_N;
 294
 295         if (std & V4L2_STD_PAL)
 296                 return ADV7180_STD_PAL_BG;
 297         if (std & V4L2_STD_NTSC)
 298                 return ADV7180_STD_NTSC_M;
 299         if (std & V4L2_STD_SECAM)
 300                 return ADV7180_STD_PAL_SECAM;
 301
 302         return -EINVAL;
 303 }
 304
 305 static u32 adv7180_status_to_v4l2(u8 status1)
 306 {
 307         if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 308                 return V4L2_IN_ST_NO_SIGNAL;
 309
 310         return 0;
 311 }
 312
 313 static int __adv7180_status(struct adv7180_state *state, u32 *status,
 314                             v4l2_std_id *std)
 315 {
 316         int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
 317
 318         if (status1 < 0)
 319                 return status1;
 320
 321         if (status)
 322                 *status = adv7180_status_to_v4l2(status1);
 323         if (std)
 324                 *std = adv7180_std_to_v4l2(status1);
 325
 326         return 0;
 327 }
 328
 329 static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
 330 {
 331         return container_of(sd, struct adv7180_state, sd);
 332 }
 333
 334 static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 335 {
 336         struct adv7180_state *state = to_state(sd);
 337         int err = mutex_lock_interruptible(&state->mutex);
 338         if (err)
 339                 return err;
 340
 341         /* when we are interrupt driven we know the state */
 342         if (!state->autodetect || state->irq > 0)
 343                 *std = state->curr_norm;
 344         else
 345                 err = __adv7180_status(state, NULL, std);
 346
 347         mutex_unlock(&state->mutex);
 348         return err;
 349 }
 350
 351 static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
 352                              u32 output, u32 config)
 353 {
 354         struct adv7180_state *state = to_state(sd);
 355         int ret = mutex_lock_interruptible(&state->mutex);
 356
 357         if (ret)
 358                 return ret;
 359
 360         if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
 361                 ret = -EINVAL;
 362                 goto out;
 363         }
 364
 365         ret = state->chip_info->select_input(state, input);
 366
 367         if (ret == 0)
 368                 state->input = input;
 369 out:
 370         mutex_unlock(&state->mutex);
 371         return ret;
 372 }
 373
 374 static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
 375 {
 376         struct adv7180_state *state = to_state(sd);
 377         int ret = mutex_lock_interruptible(&state->mutex);
 378         if (ret)
 379                 return ret;
 380
 381         ret = __adv7180_status(state, status, NULL);
 382         mutex_unlock(&state->mutex);
 383         return ret;
 384 }
 385
 386 static int adv7180_program_std(struct adv7180_state *state)
 387 {
 388         int ret;
 389
 390         if (state->autodetect) {
 391                 ret = adv7180_set_video_standard(state,
 392                         ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
 393                 if (ret < 0)
 394                         return ret;
 395
 396                 __adv7180_status(state, NULL, &state->curr_norm);
 397         } else {
 398                 ret = v4l2_std_to_adv7180(state->curr_norm);
 399                 if (ret < 0)
 400                         return ret;
 401
 402                 ret = adv7180_set_video_standard(state, ret);
 403                 if (ret < 0)
 404                         return ret;
 405         }
 406
 407         return 0;
 408 }
 409
 410 static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 411 {
 412         struct adv7180_state *state = to_state(sd);
 413         int ret = mutex_lock_interruptible(&state->mutex);
 414
 415         if (ret)
 416                 return ret;
 417
 418         /* all standards -> autodetect */
 419         if (std == V4L2_STD_ALL) {
 420                 state->autodetect = true;
 421         } else {
 422                 /* Make sure we can support this std */
 423                 ret = v4l2_std_to_adv7180(std);
 424                 if (ret < 0)
 425                         goto out;
 426
 427                 state->curr_norm = std;
 428                 state->autodetect = false;
 429         }
 430
 431         ret = adv7180_program_std(state);
 432 out:
 433         mutex_unlock(&state->mutex);
 434         return ret;
 435 }
 436
 437 static int adv7180_set_power(struct adv7180_state *state, bool on)
 438 {
 439         u8 val;
 440         int ret;
 441
 442         if (on)
 443                 val = ADV7180_PWR_MAN_ON;
 444         else
 445                 val = ADV7180_PWR_MAN_OFF;
 446
 447         ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
 448         if (ret)
 449                 return ret;
 450
 451         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 452                 if (on) {
 453                         adv7180_csi_write(state, 0xDE, 0x02);
 454                         adv7180_csi_write(state, 0xD2, 0xF7);
 455                         adv7180_csi_write(state, 0xD8, 0x65);
 456                         adv7180_csi_write(state, 0xE0, 0x09);
 457                         adv7180_csi_write(state, 0x2C, 0x00);
 458                         if (state->field == V4L2_FIELD_NONE)
 459                                 adv7180_csi_write(state, 0x1D, 0x80);
 460                         adv7180_csi_write(state, 0x00, 0x00);
 461                 } else {
 462                         adv7180_csi_write(state, 0x00, 0x80);
 463                 }
 464         }
 465
 466         return 0;
 467 }
 468
 469 static int adv7180_s_power(struct v4l2_subdev *sd, int on)
 470 {
 471         struct adv7180_state *state = to_state(sd);
 472         int ret;
 473
 474         ret = mutex_lock_interruptible(&state->mutex);
 475         if (ret)
 476                 return ret;
 477
 478         ret = adv7180_set_power(state, on);
 479         if (ret == 0)
 480                 state->powered = on;
 481
 482         mutex_unlock(&state->mutex);
 483         return ret;
 484 }
 485
 486 static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
 487 {
 488         struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
 489         struct adv7180_state *state = to_state(sd);
 490         int ret = mutex_lock_interruptible(&state->mutex);
 491         int val;
 492
 493         if (ret)
 494                 return ret;
 495         val = ctrl->val;
 496         switch (ctrl->id) {
 497         case V4L2_CID_BRIGHTNESS:
 498                 ret = adv7180_write(state, ADV7180_REG_BRI, val);
 499                 break;
 500         case V4L2_CID_HUE:
 501                 /*Hue is inverted according to HSL chart */
 502                 ret = adv7180_write(state, ADV7180_REG_HUE, -val);
 503                 break;
 504         case V4L2_CID_CONTRAST:
 505                 ret = adv7180_write(state, ADV7180_REG_CON, val);
 506                 break;
 507         case V4L2_CID_SATURATION:
 508                 /*
 509                  *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
 510                  *Let's not confuse the user, everybody understands saturation
 511                  */
 512                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
 513                 if (ret < 0)
 514                         break;
 515                 ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
 516                 break;
 517         case V4L2_CID_ADV_FAST_SWITCH:
 518                 if (ctrl->val) {
 519                         /* ADI required write */
 520                         adv7180_write(state, 0x80d9, 0x44);
 521                         adv7180_write(state, ADV7180_REG_FLCONTROL,
 522                                 ADV7180_FLCONTROL_FL_ENABLE);
 523                 } else {
 524                         /* ADI required write */
 525                         adv7180_write(state, 0x80d9, 0xc4);
 526                         adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
 527                 }
 528                 break;
 529         default:
 530                 ret = -EINVAL;
 531         }
 532
 533         mutex_unlock(&state->mutex);
 534         return ret;
 535 }
 536
 537 static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
 538         .s_ctrl = adv7180_s_ctrl,
 539 };
 540
 541 static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
 542         .ops = &adv7180_ctrl_ops,
 543         .id = V4L2_CID_ADV_FAST_SWITCH,
 544         .name = "Fast Switching",
 545         .type = V4L2_CTRL_TYPE_BOOLEAN,
 546         .min = 0,
 547         .max = 1,
 548         .step = 1,
 549 };
 550
 551 static int adv7180_init_controls(struct adv7180_state *state)
 552 {
 553         v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
 554
 555         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 556                           V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
 557                           ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
 558         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 559                           V4L2_CID_CONTRAST, ADV7180_CON_MIN,
 560                           ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
 561         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 562                           V4L2_CID_SATURATION, ADV7180_SAT_MIN,
 563                           ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
 564         v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 565                           V4L2_CID_HUE, ADV7180_HUE_MIN,
 566                           ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
 567         v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
 568
 569         state->sd.ctrl_handler = &state->ctrl_hdl;
 570         if (state->ctrl_hdl.error) {
 571                 int err = state->ctrl_hdl.error;
 572
 573                 v4l2_ctrl_handler_free(&state->ctrl_hdl);
 574                 return err;
 575         }
 576         v4l2_ctrl_handler_setup(&state->ctrl_hdl);
 577
 578         return 0;
 579 }
 580 static void adv7180_exit_controls(struct adv7180_state *state)
 581 {
 582         v4l2_ctrl_handler_free(&state->ctrl_hdl);
 583 }
 584
 585 static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
 586                                   struct v4l2_subdev_pad_config *cfg,
 587                                   struct v4l2_subdev_mbus_code_enum *code)
 588 {
 589         if (code->index != 0)
 590                 return -EINVAL;
 591
 592         code->code = MEDIA_BUS_FMT_YUYV8_2X8;
 593
 594         return 0;
 595 }
 596
 597 static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
 598                             struct v4l2_mbus_framefmt *fmt)
 599 {
 600         struct adv7180_state *state = to_state(sd);
 601
 602         fmt->code = MEDIA_BUS_FMT_YUYV8_2X8;
 603         fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 604         fmt->width = 720;
 605         fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
 606
 607         return 0;
 608 }
 609
 610 static int adv7180_set_field_mode(struct adv7180_state *state)
 611 {
 612         if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
 613                 return 0;
 614
 615         if (state->field == V4L2_FIELD_NONE) {
 616                 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 617                         adv7180_csi_write(state, 0x01, 0x20);
 618                         adv7180_csi_write(state, 0x02, 0x28);
 619                         adv7180_csi_write(state, 0x03, 0x38);
 620                         adv7180_csi_write(state, 0x04, 0x30);
 621                         adv7180_csi_write(state, 0x05, 0x30);
 622                         adv7180_csi_write(state, 0x06, 0x80);
 623                         adv7180_csi_write(state, 0x07, 0x70);
 624                         adv7180_csi_write(state, 0x08, 0x50);
 625                 }
 626                 adv7180_vpp_write(state, 0xa3, 0x00);
 627                 adv7180_vpp_write(state, 0x5b, 0x00);
 628                 adv7180_vpp_write(state, 0x55, 0x80);
 629         } else {
 630                 if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 631                         adv7180_csi_write(state, 0x01, 0x18);
 632                         adv7180_csi_write(state, 0x02, 0x18);
 633                         adv7180_csi_write(state, 0x03, 0x30);
 634                         adv7180_csi_write(state, 0x04, 0x20);
 635                         adv7180_csi_write(state, 0x05, 0x28);
 636                         adv7180_csi_write(state, 0x06, 0x40);
 637                         adv7180_csi_write(state, 0x07, 0x58);
 638                         adv7180_csi_write(state, 0x08, 0x30);
 639                 }
 640                 adv7180_vpp_write(state, 0xa3, 0x70);
 641                 adv7180_vpp_write(state, 0x5b, 0x80);
 642                 adv7180_vpp_write(state, 0x55, 0x00);
 643         }
 644
 645         return 0;
 646 }
 647
 648 static int adv7180_get_pad_format(struct v4l2_subdev *sd,
 649                                   struct v4l2_subdev_pad_config *cfg,
 650                                   struct v4l2_subdev_format *format)
 651 {
 652         struct adv7180_state *state = to_state(sd);
 653
 654         if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
 655                 format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
 656         } else {
 657                 adv7180_mbus_fmt(sd, &format->format);
 658                 format->format.field = state->field;
 659         }
 660
 661         return 0;
 662 }
 663
 664 static int adv7180_set_pad_format(struct v4l2_subdev *sd,
 665                                   struct v4l2_subdev_pad_config *cfg,
 666                                   struct v4l2_subdev_format *format)
 667 {
 668         struct adv7180_state *state = to_state(sd);
 669         struct v4l2_mbus_framefmt *framefmt;
 670
 671         switch (format->format.field) {
 672         case V4L2_FIELD_NONE:
 673                 if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
 674                         format->format.field = V4L2_FIELD_INTERLACED;
 675                 break;
 676         default:
 677                 format->format.field = V4L2_FIELD_INTERLACED;
 678                 break;
 679         }
 680
 681         if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
 682                 framefmt = &format->format;
 683                 if (state->field != format->format.field) {
 684                         state->field = format->format.field;
 685                         adv7180_set_power(state, false);
 686                         adv7180_set_field_mode(state);
 687                         adv7180_set_power(state, true);
 688                 }
 689         } else {
 690                 framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
 691                 *framefmt = format->format;
 692         }
 693
 694         return adv7180_mbus_fmt(sd, framefmt);
 695 }
 696
 697 static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 698                                  struct v4l2_mbus_config *cfg)
 699 {
 700         struct adv7180_state *state = to_state(sd);
 701
 702         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 703                 cfg->type = V4L2_MBUS_CSI2;
 704                 cfg->flags = V4L2_MBUS_CSI2_1_LANE |
 705                                 V4L2_MBUS_CSI2_CHANNEL_0 |
 706                                 V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
 707         } else {
 708                 /*
 709                  * The ADV7180 sensor supports BT.601/656 output modes.
 710                  * The BT.656 is default and not yet configurable by s/w.
 711                  */
 712                 cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
 713                                  V4L2_MBUS_DATA_ACTIVE_HIGH;
 714                 cfg->type = V4L2_MBUS_BT656;
 715         }
 716
 717         return 0;
 718 }
 719
 720 static const struct v4l2_subdev_video_ops adv7180_video_ops = {
 721         .s_std = adv7180_s_std,
 722         .querystd = adv7180_querystd,
 723         .g_input_status = adv7180_g_input_status,
 724         .s_routing = adv7180_s_routing,
 725         .g_mbus_config = adv7180_g_mbus_config,
 726 };
 727
 728
 729 static const struct v4l2_subdev_core_ops adv7180_core_ops = {
 730         .s_power = adv7180_s_power,
 731 };
 732
 733 static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
 734         .enum_mbus_code = adv7180_enum_mbus_code,
 735         .set_fmt = adv7180_set_pad_format,
 736         .get_fmt = adv7180_get_pad_format,
 737 };
 738
 739 static const struct v4l2_subdev_ops adv7180_ops = {
 740         .core = &adv7180_core_ops,
 741         .video = &adv7180_video_ops,
 742         .pad = &adv7180_pad_ops,
 743 };
 744
 745 static irqreturn_t adv7180_irq(int irq, void *devid)
 746 {
 747         struct adv7180_state *state = devid;
 748         u8 isr3;
 749
 750         mutex_lock(&state->mutex);
 751         isr3 = adv7180_read(state, ADV7180_REG_ISR3);
 752         /* clear */
 753         adv7180_write(state, ADV7180_REG_ICR3, isr3);
 754
 755         if (isr3 & ADV7180_IRQ3_AD_CHANGE && state->autodetect)
 756                 __adv7180_status(state, NULL, &state->curr_norm);
 757         mutex_unlock(&state->mutex);
 758
 759         return IRQ_HANDLED;
 760 }
 761
 762 static int adv7180_init(struct adv7180_state *state)
 763 {
 764         int ret;
 765
 766         /* ITU-R BT.656-4 compatible */
 767         ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
 768                         ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
 769         if (ret < 0)
 770                 return ret;
 771
 772         /* Manually set V bit end position in NTSC mode */
 773         return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
 774                                         ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
 775 }
 776
 777 static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
 778 {
 779         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
 780                 (std << 4) | state->input);
 781 }
 782
 783 static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
 784 {
 785         int ret;
 786
 787         ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
 788         if (ret < 0)
 789                 return ret;
 790
 791         ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
 792         ret |= input;
 793         return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
 794 }
 795
 796 static int adv7182_init(struct adv7180_state *state)
 797 {
 798         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
 799                 adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
 800                         ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
 801
 802         if (state->chip_info->flags & ADV7180_FLAG_I2P)
 803                 adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
 804                         ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
 805
 806         if (state->chip_info->flags & ADV7180_FLAG_V2) {
 807                 /* ADI recommended writes for improved video quality */
 808                 adv7180_write(state, 0x0080, 0x51);
 809                 adv7180_write(state, 0x0081, 0x51);
 810                 adv7180_write(state, 0x0082, 0x68);
 811         }
 812
 813         /* ADI required writes */
 814         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 815                 adv7180_write(state, 0x0003, 0x4e);
 816                 adv7180_write(state, 0x0004, 0x57);
 817                 adv7180_write(state, 0x001d, 0xc0);
 818         } else {
 819                 if (state->chip_info->flags & ADV7180_FLAG_V2)
 820                         adv7180_write(state, 0x0004, 0x17);
 821                 else
 822                         adv7180_write(state, 0x0004, 0x07);
 823                 adv7180_write(state, 0x0003, 0x0c);
 824                 adv7180_write(state, 0x001d, 0x40);
 825         }
 826
 827         adv7180_write(state, 0x0013, 0x00);
 828
 829         return 0;
 830 }
 831
 832 static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
 833 {
 834         return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
 835 }
 836
 837 enum adv7182_input_type {
 838         ADV7182_INPUT_TYPE_CVBS,
 839         ADV7182_INPUT_TYPE_DIFF_CVBS,
 840         ADV7182_INPUT_TYPE_SVIDEO,
 841         ADV7182_INPUT_TYPE_YPBPR,
 842 };
 843
 844 static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
 845 {
 846         switch (input) {
 847         case ADV7182_INPUT_CVBS_AIN1:
 848         case ADV7182_INPUT_CVBS_AIN2:
 849         case ADV7182_INPUT_CVBS_AIN3:
 850         case ADV7182_INPUT_CVBS_AIN4:
 851         case ADV7182_INPUT_CVBS_AIN5:
 852         case ADV7182_INPUT_CVBS_AIN6:
 853         case ADV7182_INPUT_CVBS_AIN7:
 854         case ADV7182_INPUT_CVBS_AIN8:
 855                 return ADV7182_INPUT_TYPE_CVBS;
 856         case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
 857         case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
 858         case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
 859         case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
 860                 return ADV7182_INPUT_TYPE_SVIDEO;
 861         case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
 862         case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
 863                 return ADV7182_INPUT_TYPE_YPBPR;
 864         case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
 865         case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
 866         case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
 867         case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
 868                 return ADV7182_INPUT_TYPE_DIFF_CVBS;
 869         default: /* Will never happen */
 870                 return 0;
 871         }
 872 }
 873
 874 /* ADI recommended writes to registers 0x52, 0x53, 0x54 */
 875 static unsigned int adv7182_lbias_settings[][3] = {
 876         [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
 877         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 878         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 879         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 880 };
 881
 882 static unsigned int adv7280_lbias_settings[][3] = {
 883         [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
 884         [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 885         [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 886         [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 887 };
 888
 889 static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
 890 {
 891         enum adv7182_input_type input_type;
 892         unsigned int *lbias;
 893         unsigned int i;
 894         int ret;
 895
 896         ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
 897         if (ret)
 898                 return ret;
 899
 900         /* Reset clamp circuitry - ADI recommended writes */
 901         adv7180_write(state, 0x809c, 0x00);
 902         adv7180_write(state, 0x809c, 0xff);
 903
 904         input_type = adv7182_get_input_type(input);
 905
 906         switch (input_type) {
 907         case ADV7182_INPUT_TYPE_CVBS:
 908         case ADV7182_INPUT_TYPE_DIFF_CVBS:
 909                 /* ADI recommends to use the SH1 filter */
 910                 adv7180_write(state, 0x0017, 0x41);
 911                 break;
 912         default:
 913                 adv7180_write(state, 0x0017, 0x01);
 914                 break;
 915         }
 916
 917         if (state->chip_info->flags & ADV7180_FLAG_V2)
 918                 lbias = adv7280_lbias_settings[input_type];
 919         else
 920                 lbias = adv7182_lbias_settings[input_type];
 921
 922         for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
 923                 adv7180_write(state, 0x0052 + i, lbias[i]);
 924
 925         if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
 926                 /* ADI required writes to make differential CVBS work */
 927                 adv7180_write(state, 0x005f, 0xa8);
 928                 adv7180_write(state, 0x005a, 0x90);
 929                 adv7180_write(state, 0x0060, 0xb0);
 930                 adv7180_write(state, 0x80b6, 0x08);
 931                 adv7180_write(state, 0x80c0, 0xa0);
 932         } else {
 933                 adv7180_write(state, 0x005f, 0xf0);
 934                 adv7180_write(state, 0x005a, 0xd0);
 935                 adv7180_write(state, 0x0060, 0x10);
 936                 adv7180_write(state, 0x80b6, 0x9c);
 937                 adv7180_write(state, 0x80c0, 0x00);
 938         }
 939
 940         return 0;
 941 }
 942
 943 static const struct adv7180_chip_info adv7180_info = {
 944         .flags = ADV7180_FLAG_RESET_POWERED,
 945         /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
 946          * all inputs and let the card driver take care of validation
 947          */
 948         .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
 949                 BIT(ADV7180_INPUT_CVBS_AIN2) |
 950                 BIT(ADV7180_INPUT_CVBS_AIN3) |
 951                 BIT(ADV7180_INPUT_CVBS_AIN4) |
 952                 BIT(ADV7180_INPUT_CVBS_AIN5) |
 953                 BIT(ADV7180_INPUT_CVBS_AIN6) |
 954                 BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
 955                 BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
 956                 BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
 957                 BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 958                 BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
 959         .init = adv7180_init,
 960         .set_std = adv7180_set_std,
 961         .select_input = adv7180_select_input,
 962 };
 963
 964 static const struct adv7180_chip_info adv7182_info = {
 965         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 966                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 967                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 968                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 969                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 970                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 971                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
 972                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
 973                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
 974         .init = adv7182_init,
 975         .set_std = adv7182_set_std,
 976         .select_input = adv7182_select_input,
 977 };
 978
 979 static const struct adv7180_chip_info adv7280_info = {
 980         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
 981         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 982                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 983                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 984                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 985                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
 986                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
 987                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
 988         .init = adv7182_init,
 989         .set_std = adv7182_set_std,
 990         .select_input = adv7182_select_input,
 991 };
 992
 993 static const struct adv7180_chip_info adv7280_m_info = {
 994         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
 995         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
 996                 BIT(ADV7182_INPUT_CVBS_AIN2) |
 997                 BIT(ADV7182_INPUT_CVBS_AIN3) |
 998                 BIT(ADV7182_INPUT_CVBS_AIN4) |
 999                 BIT(ADV7182_INPUT_CVBS_AIN5) |
1000                 BIT(ADV7182_INPUT_CVBS_AIN6) |
1001                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1002                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1003                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1004                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1005                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1006                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1007                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1008                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1009         .init = adv7182_init,
1010         .set_std = adv7182_set_std,
1011         .select_input = adv7182_select_input,
1012 };
1013
1014 static const struct adv7180_chip_info adv7281_info = {
1015         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1016         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1017                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1018                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1019                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1020                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1021                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1022                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1023                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1024         .init = adv7182_init,
1025         .set_std = adv7182_set_std,
1026         .select_input = adv7182_select_input,
1027 };
1028
1029 static const struct adv7180_chip_info adv7281_m_info = {
1030         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1031         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1032                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1033                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1034                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1035                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1036                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1037                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1038                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1039                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1040                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1041                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1042                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1043                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1044         .init = adv7182_init,
1045         .set_std = adv7182_set_std,
1046         .select_input = adv7182_select_input,
1047 };
1048
1049 static const struct adv7180_chip_info adv7281_ma_info = {
1050         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1051         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1052                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1053                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1054                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1055                 BIT(ADV7182_INPUT_CVBS_AIN5) |
1056                 BIT(ADV7182_INPUT_CVBS_AIN6) |
1057                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1058                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1059                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1060                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1061                 BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1062                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1063                 BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1064                 BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1065                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1066                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1067                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1068                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1069         .init = adv7182_init,
1070         .set_std = adv7182_set_std,
1071         .select_input = adv7182_select_input,
1072 };
1073
1074 static const struct adv7180_chip_info adv7282_info = {
1075         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1076         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1077                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1078                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1079                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1080                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1081                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1082                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1083                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1084         .init = adv7182_init,
1085         .set_std = adv7182_set_std,
1086         .select_input = adv7182_select_input,
1087 };
1088
1089 static const struct adv7180_chip_info adv7282_m_info = {
1090         .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1091         .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1092                 BIT(ADV7182_INPUT_CVBS_AIN2) |
1093                 BIT(ADV7182_INPUT_CVBS_AIN3) |
1094                 BIT(ADV7182_INPUT_CVBS_AIN4) |
1095                 BIT(ADV7182_INPUT_CVBS_AIN7) |
1096                 BIT(ADV7182_INPUT_CVBS_AIN8) |
1097                 BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1098                 BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1099                 BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1100                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1101                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1102                 BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1103         .init = adv7182_init,
1104         .set_std = adv7182_set_std,
1105         .select_input = adv7182_select_input,
1106 };
1107
1108 static int init_device(struct adv7180_state *state)
1109 {
1110         int ret;
1111
1112         mutex_lock(&state->mutex);
1113
1114         adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1115         usleep_range(2000, 10000);
1116
1117         ret = state->chip_info->init(state);
1118         if (ret)
1119                 goto out_unlock;
1120
1121         ret = adv7180_program_std(state);
1122         if (ret)
1123                 goto out_unlock;
1124
1125         adv7180_set_field_mode(state);
1126
1127         /* register for interrupts */
1128         if (state->irq > 0) {
1129                 /* config the Interrupt pin to be active low */
1130                 ret = adv7180_write(state, ADV7180_REG_ICONF1,
1131                                                 ADV7180_ICONF1_ACTIVE_LOW |
1132                                                 ADV7180_ICONF1_PSYNC_ONLY);
1133                 if (ret < 0)
1134                         goto out_unlock;
1135
1136                 ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1137                 if (ret < 0)
1138                         goto out_unlock;
1139
1140                 ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1141                 if (ret < 0)
1142                         goto out_unlock;
1143
1144                 /* enable AD change interrupts interrupts */
1145                 ret = adv7180_write(state, ADV7180_REG_IMR3,
1146                                                 ADV7180_IRQ3_AD_CHANGE);
1147                 if (ret < 0)
1148                         goto out_unlock;
1149
1150                 ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1151                 if (ret < 0)
1152                         goto out_unlock;
1153         }
1154
1155 out_unlock:
1156         mutex_unlock(&state->mutex);
1157
1158         return ret;
1159 }
1160
1161 static int adv7180_probe(struct i2c_client *client,
1162                          const struct i2c_device_id *id)
1163 {
1164         struct adv7180_state *state;
1165         struct v4l2_subdev *sd;
1166         int ret;
1167
1168         /* Check if the adapter supports the needed features */
1169         if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1170                 return -EIO;
1171
1172         v4l_info(client, "chip found @ 0x%02x (%s)\n",
1173                  client->addr, client->adapter->name);
1174
1175         state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1176         if (state == NULL)
1177                 return -ENOMEM;
1178
1179         state->client = client;
1180         state->field = V4L2_FIELD_INTERLACED;
1181         state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1182
1183         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1184                 state->csi_client = i2c_new_dummy(client->adapter,
1185                                 ADV7180_DEFAULT_CSI_I2C_ADDR);
1186                 if (!state->csi_client)
1187                         return -ENOMEM;
1188         }
1189
1190         if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1191                 state->vpp_client = i2c_new_dummy(client->adapter,
1192                                 ADV7180_DEFAULT_VPP_I2C_ADDR);
1193                 if (!state->vpp_client) {
1194                         ret = -ENOMEM;
1195                         goto err_unregister_csi_client;
1196                 }
1197         }
1198
1199         state->irq = client->irq;
1200         mutex_init(&state->mutex);
1201         state->autodetect = true;
1202         if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1203                 state->powered = true;
1204         else
1205                 state->powered = false;
1206         state->input = 0;
1207         sd = &state->sd;
1208         v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1209         sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE;
1210
1211         ret = adv7180_init_controls(state);
1212         if (ret)
1213                 goto err_unregister_vpp_client;
1214
1215         state->pad.flags = MEDIA_PAD_FL_SOURCE;
1216         sd->entity.flags |= MEDIA_ENT_T_V4L2_SUBDEV_DECODER;
1217         ret = media_entity_init(&sd->entity, 1, &state->pad, 0);
1218         if (ret)
1219                 goto err_free_ctrl;
1220
1221         ret = init_device(state);
1222         if (ret)
1223                 goto err_media_entity_cleanup;
1224
1225         if (state->irq) {
1226                 ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1227                                            IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1228                                            KBUILD_MODNAME, state);
1229                 if (ret)
1230                         goto err_media_entity_cleanup;
1231         }
1232
1233         ret = v4l2_async_register_subdev(sd);
1234         if (ret)
1235                 goto err_free_irq;
1236
1237         return 0;
1238
1239 err_free_irq:
1240         if (state->irq > 0)
1241                 free_irq(client->irq, state);
1242 err_media_entity_cleanup:
1243         media_entity_cleanup(&sd->entity);
1244 err_free_ctrl:
1245         adv7180_exit_controls(state);
1246 err_unregister_vpp_client:
1247         if (state->chip_info->flags & ADV7180_FLAG_I2P)
1248                 i2c_unregister_device(state->vpp_client);
1249 err_unregister_csi_client:
1250         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1251                 i2c_unregister_device(state->csi_client);
1252         mutex_destroy(&state->mutex);
1253         return ret;
1254 }
1255
1256 static int adv7180_remove(struct i2c_client *client)
1257 {
1258         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1259         struct adv7180_state *state = to_state(sd);
1260
1261         v4l2_async_unregister_subdev(sd);
1262
1263         if (state->irq > 0)
1264                 free_irq(client->irq, state);
1265
1266         media_entity_cleanup(&sd->entity);
1267         adv7180_exit_controls(state);
1268
1269         if (state->chip_info->flags & ADV7180_FLAG_I2P)
1270                 i2c_unregister_device(state->vpp_client);
1271         if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1272                 i2c_unregister_device(state->csi_client);
1273
1274         mutex_destroy(&state->mutex);
1275
1276         return 0;
1277 }
1278
1279 static const struct i2c_device_id adv7180_id[] = {
1280         { "adv7180", (kernel_ulong_t)&adv7180_info },
1281         { "adv7182", (kernel_ulong_t)&adv7182_info },
1282         { "adv7280", (kernel_ulong_t)&adv7280_info },
1283         { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1284         { "adv7281", (kernel_ulong_t)&adv7281_info },
1285         { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1286         { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1287         { "adv7282", (kernel_ulong_t)&adv7282_info },
1288         { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1289         {},
1290 };
1291 MODULE_DEVICE_TABLE(i2c, adv7180_id);
1292
1293 #ifdef CONFIG_PM_SLEEP
1294 static int adv7180_suspend(struct device *dev)
1295 {
1296         struct i2c_client *client = to_i2c_client(dev);
1297         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1298         struct adv7180_state *state = to_state(sd);
1299
1300         return adv7180_set_power(state, false);
1301 }
1302
1303 static int adv7180_resume(struct device *dev)
1304 {
1305         struct i2c_client *client = to_i2c_client(dev);
1306         struct v4l2_subdev *sd = i2c_get_clientdata(client);
1307         struct adv7180_state *state = to_state(sd);
1308         int ret;
1309
1310         ret = init_device(state);
1311         if (ret < 0)
1312                 return ret;
1313
1314         ret = adv7180_set_power(state, state->powered);
1315         if (ret)
1316                 return ret;
1317
1318         return 0;
1319 }
1320
1321 static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1322 #define ADV7180_PM_OPS (&adv7180_pm_ops)
1323
1324 #else
1325 #define ADV7180_PM_OPS NULL
1326 #endif
1327
1328 #ifdef CONFIG_OF
1329 static const struct of_device_id adv7180_of_id[] = {
1330         { .compatible = "adi,adv7180", },
1331         { },
1332 };
1333
1334 MODULE_DEVICE_TABLE(of, adv7180_of_id);
1335 #endif
1336
1337 static struct i2c_driver adv7180_driver = {
1338         .driver = {
1339                    .name = KBUILD_MODNAME,
1340                    .pm = ADV7180_PM_OPS,
1341                    .of_match_table = of_match_ptr(adv7180_of_id),
1342                    },
1343         .probe = adv7180_probe,
1344         .remove = adv7180_remove,
1345         .id_table = adv7180_id,
1346 };
1347
1348 module_i2c_driver(adv7180_driver);
1349
1350 MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1351 MODULE_AUTHOR("Mocean Laboratories");
1352 MODULE_LICENSE("GPL v2");