linux/drivers/media/i2c/adv7180.c
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   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
 172struct 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
 179struct 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
 187struct 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
 209static 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
 220static 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
 228static 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
 235static 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
 241static 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
 247static 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
 253static 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
 281static 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
 304static 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
 312static 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
 328static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
 329{
 330        return container_of(sd, struct adv7180_state, sd);
 331}
 332
 333static 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
 350static 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;
 368out:
 369        mutex_unlock(&state->mutex);
 370        return ret;
 371}
 372
 373static 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
 385static 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
 409static 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);
 431out:
 432        mutex_unlock(&state->mutex);
 433        return ret;
 434}
 435
 436static 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
 468static 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
 485static 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
 536static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
 537        .s_ctrl = adv7180_s_ctrl,
 538};
 539
 540static 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
 550static 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}
 579static void adv7180_exit_controls(struct adv7180_state *state)
 580{
 581        v4l2_ctrl_handler_free(&state->ctrl_hdl);
 582}
 583
 584static 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
 596static 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
 609static 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
 647static 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
 663static 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
 696static 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
 719static 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
 728static const struct v4l2_subdev_core_ops adv7180_core_ops = {
 729        .s_power = adv7180_s_power,
 730};
 731
 732static 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
 738static const struct v4l2_subdev_ops adv7180_ops = {
 739        .core = &adv7180_core_ops,
 740        .video = &adv7180_video_ops,
 741        .pad = &adv7180_pad_ops,
 742};
 743
 744static 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
 761static 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
 776static 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
 782static 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
 795static 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
 831static 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
 836enum 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
 843static 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 */
 874static 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
 881static 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
 888static 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
 942static 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
 963static 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
 978static 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
 992static 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
1013static 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
1028static 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
1048static 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
1073static 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
1088static 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
1107static 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
1154out_unlock:
1155        mutex_unlock(&state->mutex);
1156
1157        return ret;
1158}
1159
1160static 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
1238err_free_irq:
1239        if (state->irq > 0)
1240                free_irq(client->irq, state);
1241err_media_entity_cleanup:
1242        media_entity_cleanup(&sd->entity);
1243err_free_ctrl:
1244        adv7180_exit_controls(state);
1245err_unregister_vpp_client:
1246        if (state->chip_info->flags & ADV7180_FLAG_I2P)
1247                i2c_unregister_device(state->vpp_client);
1248err_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
1255static 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
1278static 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};
1290MODULE_DEVICE_TABLE(i2c, adv7180_id);
1291
1292#ifdef CONFIG_PM_SLEEP
1293static 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
1302static 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
1320static 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
1327static 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
1338module_i2c_driver(adv7180_driver);
1339
1340MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1341MODULE_AUTHOR("Mocean Laboratories");
1342MODULE_LICENSE("GPL v2");
1343