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 <linux/of.h>
  29#include <linux/videodev2.h>
  30#include <media/v4l2-ioctl.h>
  31#include <media/v4l2-event.h>
  32#include <media/v4l2-device.h>
  33#include <media/v4l2-ctrls.h>
  34#include <linux/mutex.h>
  35#include <linux/delay.h>
  36
  37#define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM              0x0
  38#define ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM_PED          0x1
  39#define ADV7180_STD_AD_PAL_N_NTSC_J_SECAM               0x2
  40#define ADV7180_STD_AD_PAL_N_NTSC_M_SECAM               0x3
  41#define ADV7180_STD_NTSC_J                              0x4
  42#define ADV7180_STD_NTSC_M                              0x5
  43#define ADV7180_STD_PAL60                               0x6
  44#define ADV7180_STD_NTSC_443                            0x7
  45#define ADV7180_STD_PAL_BG                              0x8
  46#define ADV7180_STD_PAL_N                               0x9
  47#define ADV7180_STD_PAL_M                               0xa
  48#define ADV7180_STD_PAL_M_PED                           0xb
  49#define ADV7180_STD_PAL_COMB_N                          0xc
  50#define ADV7180_STD_PAL_COMB_N_PED                      0xd
  51#define ADV7180_STD_PAL_SECAM                           0xe
  52#define ADV7180_STD_PAL_SECAM_PED                       0xf
  53
  54#define ADV7180_REG_INPUT_CONTROL                       0x0000
  55#define ADV7180_INPUT_CONTROL_INSEL_MASK                0x0f
  56
  57#define ADV7182_REG_INPUT_VIDSEL                        0x0002
  58
  59#define ADV7180_REG_EXTENDED_OUTPUT_CONTROL             0x0004
  60#define ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS         0xC5
  61
  62#define ADV7180_REG_AUTODETECT_ENABLE                   0x07
  63#define ADV7180_AUTODETECT_DEFAULT                      0x7f
  64/* Contrast */
  65#define ADV7180_REG_CON         0x0008  /*Unsigned */
  66#define ADV7180_CON_MIN         0
  67#define ADV7180_CON_DEF         128
  68#define ADV7180_CON_MAX         255
  69/* Brightness*/
  70#define ADV7180_REG_BRI         0x000a  /*Signed */
  71#define ADV7180_BRI_MIN         -128
  72#define ADV7180_BRI_DEF         0
  73#define ADV7180_BRI_MAX         127
  74/* Hue */
  75#define ADV7180_REG_HUE         0x000b  /*Signed, inverted */
  76#define ADV7180_HUE_MIN         -127
  77#define ADV7180_HUE_DEF         0
  78#define ADV7180_HUE_MAX         128
  79
  80#define ADV7180_REG_CTRL                0x000e
  81#define ADV7180_CTRL_IRQ_SPACE          0x20
  82
  83#define ADV7180_REG_PWR_MAN             0x0f
  84#define ADV7180_PWR_MAN_ON              0x04
  85#define ADV7180_PWR_MAN_OFF             0x24
  86#define ADV7180_PWR_MAN_RES             0x80
  87
  88#define ADV7180_REG_STATUS1             0x0010
  89#define ADV7180_STATUS1_IN_LOCK         0x01
  90#define ADV7180_STATUS1_AUTOD_MASK      0x70
  91#define ADV7180_STATUS1_AUTOD_NTSM_M_J  0x00
  92#define ADV7180_STATUS1_AUTOD_NTSC_4_43 0x10
  93#define ADV7180_STATUS1_AUTOD_PAL_M     0x20
  94#define ADV7180_STATUS1_AUTOD_PAL_60    0x30
  95#define ADV7180_STATUS1_AUTOD_PAL_B_G   0x40
  96#define ADV7180_STATUS1_AUTOD_SECAM     0x50
  97#define ADV7180_STATUS1_AUTOD_PAL_COMB  0x60
  98#define ADV7180_STATUS1_AUTOD_SECAM_525 0x70
  99
 100#define ADV7180_REG_IDENT 0x0011
 101#define ADV7180_ID_7180 0x18
 102
 103#define ADV7180_REG_ICONF1              0x2040
 104#define ADV7180_ICONF1_ACTIVE_LOW       0x01
 105#define ADV7180_ICONF1_PSYNC_ONLY       0x10
 106#define ADV7180_ICONF1_ACTIVE_TO_CLR    0xC0
 107/* Saturation */
 108#define ADV7180_REG_SD_SAT_CB   0x00e3  /*Unsigned */
 109#define ADV7180_REG_SD_SAT_CR   0x00e4  /*Unsigned */
 110#define ADV7180_SAT_MIN         0
 111#define ADV7180_SAT_DEF         128
 112#define ADV7180_SAT_MAX         255
 113
 114#define ADV7180_IRQ1_LOCK       0x01
 115#define ADV7180_IRQ1_UNLOCK     0x02
 116#define ADV7180_REG_ISR1        0x2042
 117#define ADV7180_REG_ICR1        0x2043
 118#define ADV7180_REG_IMR1        0x2044
 119#define ADV7180_REG_IMR2        0x2048
 120#define ADV7180_IRQ3_AD_CHANGE  0x08
 121#define ADV7180_REG_ISR3        0x204A
 122#define ADV7180_REG_ICR3        0x204B
 123#define ADV7180_REG_IMR3        0x204C
 124#define ADV7180_REG_IMR4        0x2050
 125
 126#define ADV7180_REG_NTSC_V_BIT_END      0x00E6
 127#define ADV7180_NTSC_V_BIT_END_MANUAL_NVEND     0x4F
 128
 129#define ADV7180_REG_VPP_SLAVE_ADDR      0xFD
 130#define ADV7180_REG_CSI_SLAVE_ADDR      0xFE
 131
 132#define ADV7180_REG_FLCONTROL 0x40e0
 133#define ADV7180_FLCONTROL_FL_ENABLE 0x1
 134
 135#define ADV7180_CSI_REG_PWRDN   0x00
 136#define ADV7180_CSI_PWRDN       0x80
 137
 138#define ADV7180_INPUT_CVBS_AIN1 0x00
 139#define ADV7180_INPUT_CVBS_AIN2 0x01
 140#define ADV7180_INPUT_CVBS_AIN3 0x02
 141#define ADV7180_INPUT_CVBS_AIN4 0x03
 142#define ADV7180_INPUT_CVBS_AIN5 0x04
 143#define ADV7180_INPUT_CVBS_AIN6 0x05
 144#define ADV7180_INPUT_SVIDEO_AIN1_AIN2 0x06
 145#define ADV7180_INPUT_SVIDEO_AIN3_AIN4 0x07
 146#define ADV7180_INPUT_SVIDEO_AIN5_AIN6 0x08
 147#define ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3 0x09
 148#define ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0a
 149
 150#define ADV7182_INPUT_CVBS_AIN1 0x00
 151#define ADV7182_INPUT_CVBS_AIN2 0x01
 152#define ADV7182_INPUT_CVBS_AIN3 0x02
 153#define ADV7182_INPUT_CVBS_AIN4 0x03
 154#define ADV7182_INPUT_CVBS_AIN5 0x04
 155#define ADV7182_INPUT_CVBS_AIN6 0x05
 156#define ADV7182_INPUT_CVBS_AIN7 0x06
 157#define ADV7182_INPUT_CVBS_AIN8 0x07
 158#define ADV7182_INPUT_SVIDEO_AIN1_AIN2 0x08
 159#define ADV7182_INPUT_SVIDEO_AIN3_AIN4 0x09
 160#define ADV7182_INPUT_SVIDEO_AIN5_AIN6 0x0a
 161#define ADV7182_INPUT_SVIDEO_AIN7_AIN8 0x0b
 162#define ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3 0x0c
 163#define ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6 0x0d
 164#define ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2 0x0e
 165#define ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4 0x0f
 166#define ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6 0x10
 167#define ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8 0x11
 168
 169#define ADV7180_DEFAULT_CSI_I2C_ADDR 0x44
 170#define ADV7180_DEFAULT_VPP_I2C_ADDR 0x42
 171
 172#define V4L2_CID_ADV_FAST_SWITCH        (V4L2_CID_USER_ADV7180_BASE + 0x00)
 173
 174struct adv7180_state;
 175
 176#define ADV7180_FLAG_RESET_POWERED      BIT(0)
 177#define ADV7180_FLAG_V2                 BIT(1)
 178#define ADV7180_FLAG_MIPI_CSI2          BIT(2)
 179#define ADV7180_FLAG_I2P                BIT(3)
 180
 181struct adv7180_chip_info {
 182        unsigned int flags;
 183        unsigned int valid_input_mask;
 184        int (*set_std)(struct adv7180_state *st, unsigned int std);
 185        int (*select_input)(struct adv7180_state *st, unsigned int input);
 186        int (*init)(struct adv7180_state *state);
 187};
 188
 189struct adv7180_state {
 190        struct v4l2_ctrl_handler ctrl_hdl;
 191        struct v4l2_subdev      sd;
 192        struct media_pad        pad;
 193        struct mutex            mutex; /* mutual excl. when accessing chip */
 194        int                     irq;
 195        v4l2_std_id             curr_norm;
 196        bool                    powered;
 197        bool                    streaming;
 198        u8                      input;
 199
 200        struct i2c_client       *client;
 201        unsigned int            register_page;
 202        struct i2c_client       *csi_client;
 203        struct i2c_client       *vpp_client;
 204        const struct adv7180_chip_info *chip_info;
 205        enum v4l2_field         field;
 206};
 207#define to_adv7180_sd(_ctrl) (&container_of(_ctrl->handler,             \
 208                                            struct adv7180_state,       \
 209                                            ctrl_hdl)->sd)
 210
 211static int adv7180_select_page(struct adv7180_state *state, unsigned int page)
 212{
 213        if (state->register_page != page) {
 214                i2c_smbus_write_byte_data(state->client, ADV7180_REG_CTRL,
 215                        page);
 216                state->register_page = page;
 217        }
 218
 219        return 0;
 220}
 221
 222static int adv7180_write(struct adv7180_state *state, unsigned int reg,
 223        unsigned int value)
 224{
 225        lockdep_assert_held(&state->mutex);
 226        adv7180_select_page(state, reg >> 8);
 227        return i2c_smbus_write_byte_data(state->client, reg & 0xff, value);
 228}
 229
 230static int adv7180_read(struct adv7180_state *state, unsigned int reg)
 231{
 232        lockdep_assert_held(&state->mutex);
 233        adv7180_select_page(state, reg >> 8);
 234        return i2c_smbus_read_byte_data(state->client, reg & 0xff);
 235}
 236
 237static int adv7180_csi_write(struct adv7180_state *state, unsigned int reg,
 238        unsigned int value)
 239{
 240        return i2c_smbus_write_byte_data(state->csi_client, reg, value);
 241}
 242
 243static int adv7180_set_video_standard(struct adv7180_state *state,
 244        unsigned int std)
 245{
 246        return state->chip_info->set_std(state, std);
 247}
 248
 249static int adv7180_vpp_write(struct adv7180_state *state, unsigned int reg,
 250        unsigned int value)
 251{
 252        return i2c_smbus_write_byte_data(state->vpp_client, reg, value);
 253}
 254
 255static v4l2_std_id adv7180_std_to_v4l2(u8 status1)
 256{
 257        /* in case V4L2_IN_ST_NO_SIGNAL */
 258        if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 259                return V4L2_STD_UNKNOWN;
 260
 261        switch (status1 & ADV7180_STATUS1_AUTOD_MASK) {
 262        case ADV7180_STATUS1_AUTOD_NTSM_M_J:
 263                return V4L2_STD_NTSC;
 264        case ADV7180_STATUS1_AUTOD_NTSC_4_43:
 265                return V4L2_STD_NTSC_443;
 266        case ADV7180_STATUS1_AUTOD_PAL_M:
 267                return V4L2_STD_PAL_M;
 268        case ADV7180_STATUS1_AUTOD_PAL_60:
 269                return V4L2_STD_PAL_60;
 270        case ADV7180_STATUS1_AUTOD_PAL_B_G:
 271                return V4L2_STD_PAL;
 272        case ADV7180_STATUS1_AUTOD_SECAM:
 273                return V4L2_STD_SECAM;
 274        case ADV7180_STATUS1_AUTOD_PAL_COMB:
 275                return V4L2_STD_PAL_Nc | V4L2_STD_PAL_N;
 276        case ADV7180_STATUS1_AUTOD_SECAM_525:
 277                return V4L2_STD_SECAM;
 278        default:
 279                return V4L2_STD_UNKNOWN;
 280        }
 281}
 282
 283static int v4l2_std_to_adv7180(v4l2_std_id std)
 284{
 285        if (std == V4L2_STD_PAL_60)
 286                return ADV7180_STD_PAL60;
 287        if (std == V4L2_STD_NTSC_443)
 288                return ADV7180_STD_NTSC_443;
 289        if (std == V4L2_STD_PAL_N)
 290                return ADV7180_STD_PAL_N;
 291        if (std == V4L2_STD_PAL_M)
 292                return ADV7180_STD_PAL_M;
 293        if (std == V4L2_STD_PAL_Nc)
 294                return ADV7180_STD_PAL_COMB_N;
 295
 296        if (std & V4L2_STD_PAL)
 297                return ADV7180_STD_PAL_BG;
 298        if (std & V4L2_STD_NTSC)
 299                return ADV7180_STD_NTSC_M;
 300        if (std & V4L2_STD_SECAM)
 301                return ADV7180_STD_PAL_SECAM;
 302
 303        return -EINVAL;
 304}
 305
 306static u32 adv7180_status_to_v4l2(u8 status1)
 307{
 308        if (!(status1 & ADV7180_STATUS1_IN_LOCK))
 309                return V4L2_IN_ST_NO_SIGNAL;
 310
 311        return 0;
 312}
 313
 314static int __adv7180_status(struct adv7180_state *state, u32 *status,
 315                            v4l2_std_id *std)
 316{
 317        int status1 = adv7180_read(state, ADV7180_REG_STATUS1);
 318
 319        if (status1 < 0)
 320                return status1;
 321
 322        if (status)
 323                *status = adv7180_status_to_v4l2(status1);
 324        if (std)
 325                *std = adv7180_std_to_v4l2(status1);
 326
 327        return 0;
 328}
 329
 330static inline struct adv7180_state *to_state(struct v4l2_subdev *sd)
 331{
 332        return container_of(sd, struct adv7180_state, sd);
 333}
 334
 335static int adv7180_querystd(struct v4l2_subdev *sd, v4l2_std_id *std)
 336{
 337        struct adv7180_state *state = to_state(sd);
 338        int err = mutex_lock_interruptible(&state->mutex);
 339        if (err)
 340                return err;
 341
 342        if (state->streaming) {
 343                err = -EBUSY;
 344                goto unlock;
 345        }
 346
 347        err = adv7180_set_video_standard(state,
 348                        ADV7180_STD_AD_PAL_BG_NTSC_J_SECAM);
 349        if (err)
 350                goto unlock;
 351
 352        msleep(100);
 353        __adv7180_status(state, NULL, std);
 354
 355        err = v4l2_std_to_adv7180(state->curr_norm);
 356        if (err < 0)
 357                goto unlock;
 358
 359        err = adv7180_set_video_standard(state, err);
 360
 361unlock:
 362        mutex_unlock(&state->mutex);
 363        return err;
 364}
 365
 366static int adv7180_s_routing(struct v4l2_subdev *sd, u32 input,
 367                             u32 output, u32 config)
 368{
 369        struct adv7180_state *state = to_state(sd);
 370        int ret = mutex_lock_interruptible(&state->mutex);
 371
 372        if (ret)
 373                return ret;
 374
 375        if (input > 31 || !(BIT(input) & state->chip_info->valid_input_mask)) {
 376                ret = -EINVAL;
 377                goto out;
 378        }
 379
 380        ret = state->chip_info->select_input(state, input);
 381
 382        if (ret == 0)
 383                state->input = input;
 384out:
 385        mutex_unlock(&state->mutex);
 386        return ret;
 387}
 388
 389static int adv7180_g_input_status(struct v4l2_subdev *sd, u32 *status)
 390{
 391        struct adv7180_state *state = to_state(sd);
 392        int ret = mutex_lock_interruptible(&state->mutex);
 393        if (ret)
 394                return ret;
 395
 396        ret = __adv7180_status(state, status, NULL);
 397        mutex_unlock(&state->mutex);
 398        return ret;
 399}
 400
 401static int adv7180_program_std(struct adv7180_state *state)
 402{
 403        int ret;
 404
 405        ret = v4l2_std_to_adv7180(state->curr_norm);
 406        if (ret < 0)
 407                return ret;
 408
 409        ret = adv7180_set_video_standard(state, ret);
 410        if (ret < 0)
 411                return ret;
 412        return 0;
 413}
 414
 415static int adv7180_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
 416{
 417        struct adv7180_state *state = to_state(sd);
 418        int ret = mutex_lock_interruptible(&state->mutex);
 419
 420        if (ret)
 421                return ret;
 422
 423        /* Make sure we can support this std */
 424        ret = v4l2_std_to_adv7180(std);
 425        if (ret < 0)
 426                goto out;
 427
 428        state->curr_norm = std;
 429
 430        ret = adv7180_program_std(state);
 431out:
 432        mutex_unlock(&state->mutex);
 433        return ret;
 434}
 435
 436static int adv7180_g_std(struct v4l2_subdev *sd, v4l2_std_id *norm)
 437{
 438        struct adv7180_state *state = to_state(sd);
 439
 440        *norm = state->curr_norm;
 441
 442        return 0;
 443}
 444
 445static int adv7180_set_power(struct adv7180_state *state, bool on)
 446{
 447        u8 val;
 448        int ret;
 449
 450        if (on)
 451                val = ADV7180_PWR_MAN_ON;
 452        else
 453                val = ADV7180_PWR_MAN_OFF;
 454
 455        ret = adv7180_write(state, ADV7180_REG_PWR_MAN, val);
 456        if (ret)
 457                return ret;
 458
 459        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 460                if (on) {
 461                        adv7180_csi_write(state, 0xDE, 0x02);
 462                        adv7180_csi_write(state, 0xD2, 0xF7);
 463                        adv7180_csi_write(state, 0xD8, 0x65);
 464                        adv7180_csi_write(state, 0xE0, 0x09);
 465                        adv7180_csi_write(state, 0x2C, 0x00);
 466                        if (state->field == V4L2_FIELD_NONE)
 467                                adv7180_csi_write(state, 0x1D, 0x80);
 468                        adv7180_csi_write(state, 0x00, 0x00);
 469                } else {
 470                        adv7180_csi_write(state, 0x00, 0x80);
 471                }
 472        }
 473
 474        return 0;
 475}
 476
 477static int adv7180_s_power(struct v4l2_subdev *sd, int on)
 478{
 479        struct adv7180_state *state = to_state(sd);
 480        int ret;
 481
 482        ret = mutex_lock_interruptible(&state->mutex);
 483        if (ret)
 484                return ret;
 485
 486        ret = adv7180_set_power(state, on);
 487        if (ret == 0)
 488                state->powered = on;
 489
 490        mutex_unlock(&state->mutex);
 491        return ret;
 492}
 493
 494static int adv7180_s_ctrl(struct v4l2_ctrl *ctrl)
 495{
 496        struct v4l2_subdev *sd = to_adv7180_sd(ctrl);
 497        struct adv7180_state *state = to_state(sd);
 498        int ret = mutex_lock_interruptible(&state->mutex);
 499        int val;
 500
 501        if (ret)
 502                return ret;
 503        val = ctrl->val;
 504        switch (ctrl->id) {
 505        case V4L2_CID_BRIGHTNESS:
 506                ret = adv7180_write(state, ADV7180_REG_BRI, val);
 507                break;
 508        case V4L2_CID_HUE:
 509                /*Hue is inverted according to HSL chart */
 510                ret = adv7180_write(state, ADV7180_REG_HUE, -val);
 511                break;
 512        case V4L2_CID_CONTRAST:
 513                ret = adv7180_write(state, ADV7180_REG_CON, val);
 514                break;
 515        case V4L2_CID_SATURATION:
 516                /*
 517                 *This could be V4L2_CID_BLUE_BALANCE/V4L2_CID_RED_BALANCE
 518                 *Let's not confuse the user, everybody understands saturation
 519                 */
 520                ret = adv7180_write(state, ADV7180_REG_SD_SAT_CB, val);
 521                if (ret < 0)
 522                        break;
 523                ret = adv7180_write(state, ADV7180_REG_SD_SAT_CR, val);
 524                break;
 525        case V4L2_CID_ADV_FAST_SWITCH:
 526                if (ctrl->val) {
 527                        /* ADI required write */
 528                        adv7180_write(state, 0x80d9, 0x44);
 529                        adv7180_write(state, ADV7180_REG_FLCONTROL,
 530                                ADV7180_FLCONTROL_FL_ENABLE);
 531                } else {
 532                        /* ADI required write */
 533                        adv7180_write(state, 0x80d9, 0xc4);
 534                        adv7180_write(state, ADV7180_REG_FLCONTROL, 0x00);
 535                }
 536                break;
 537        default:
 538                ret = -EINVAL;
 539        }
 540
 541        mutex_unlock(&state->mutex);
 542        return ret;
 543}
 544
 545static const struct v4l2_ctrl_ops adv7180_ctrl_ops = {
 546        .s_ctrl = adv7180_s_ctrl,
 547};
 548
 549static const struct v4l2_ctrl_config adv7180_ctrl_fast_switch = {
 550        .ops = &adv7180_ctrl_ops,
 551        .id = V4L2_CID_ADV_FAST_SWITCH,
 552        .name = "Fast Switching",
 553        .type = V4L2_CTRL_TYPE_BOOLEAN,
 554        .min = 0,
 555        .max = 1,
 556        .step = 1,
 557};
 558
 559static int adv7180_init_controls(struct adv7180_state *state)
 560{
 561        v4l2_ctrl_handler_init(&state->ctrl_hdl, 4);
 562
 563        v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 564                          V4L2_CID_BRIGHTNESS, ADV7180_BRI_MIN,
 565                          ADV7180_BRI_MAX, 1, ADV7180_BRI_DEF);
 566        v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 567                          V4L2_CID_CONTRAST, ADV7180_CON_MIN,
 568                          ADV7180_CON_MAX, 1, ADV7180_CON_DEF);
 569        v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 570                          V4L2_CID_SATURATION, ADV7180_SAT_MIN,
 571                          ADV7180_SAT_MAX, 1, ADV7180_SAT_DEF);
 572        v4l2_ctrl_new_std(&state->ctrl_hdl, &adv7180_ctrl_ops,
 573                          V4L2_CID_HUE, ADV7180_HUE_MIN,
 574                          ADV7180_HUE_MAX, 1, ADV7180_HUE_DEF);
 575        v4l2_ctrl_new_custom(&state->ctrl_hdl, &adv7180_ctrl_fast_switch, NULL);
 576
 577        state->sd.ctrl_handler = &state->ctrl_hdl;
 578        if (state->ctrl_hdl.error) {
 579                int err = state->ctrl_hdl.error;
 580
 581                v4l2_ctrl_handler_free(&state->ctrl_hdl);
 582                return err;
 583        }
 584        v4l2_ctrl_handler_setup(&state->ctrl_hdl);
 585
 586        return 0;
 587}
 588static void adv7180_exit_controls(struct adv7180_state *state)
 589{
 590        v4l2_ctrl_handler_free(&state->ctrl_hdl);
 591}
 592
 593static int adv7180_enum_mbus_code(struct v4l2_subdev *sd,
 594                                  struct v4l2_subdev_pad_config *cfg,
 595                                  struct v4l2_subdev_mbus_code_enum *code)
 596{
 597        if (code->index != 0)
 598                return -EINVAL;
 599
 600        code->code = MEDIA_BUS_FMT_YUYV8_2X8;
 601
 602        return 0;
 603}
 604
 605static int adv7180_mbus_fmt(struct v4l2_subdev *sd,
 606                            struct v4l2_mbus_framefmt *fmt)
 607{
 608        struct adv7180_state *state = to_state(sd);
 609
 610        fmt->code = MEDIA_BUS_FMT_YUYV8_2X8;
 611        fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
 612        fmt->width = 720;
 613        fmt->height = state->curr_norm & V4L2_STD_525_60 ? 480 : 576;
 614
 615        return 0;
 616}
 617
 618static int adv7180_set_field_mode(struct adv7180_state *state)
 619{
 620        if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
 621                return 0;
 622
 623        if (state->field == V4L2_FIELD_NONE) {
 624                if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 625                        adv7180_csi_write(state, 0x01, 0x20);
 626                        adv7180_csi_write(state, 0x02, 0x28);
 627                        adv7180_csi_write(state, 0x03, 0x38);
 628                        adv7180_csi_write(state, 0x04, 0x30);
 629                        adv7180_csi_write(state, 0x05, 0x30);
 630                        adv7180_csi_write(state, 0x06, 0x80);
 631                        adv7180_csi_write(state, 0x07, 0x70);
 632                        adv7180_csi_write(state, 0x08, 0x50);
 633                }
 634                adv7180_vpp_write(state, 0xa3, 0x00);
 635                adv7180_vpp_write(state, 0x5b, 0x00);
 636                adv7180_vpp_write(state, 0x55, 0x80);
 637        } else {
 638                if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 639                        adv7180_csi_write(state, 0x01, 0x18);
 640                        adv7180_csi_write(state, 0x02, 0x18);
 641                        adv7180_csi_write(state, 0x03, 0x30);
 642                        adv7180_csi_write(state, 0x04, 0x20);
 643                        adv7180_csi_write(state, 0x05, 0x28);
 644                        adv7180_csi_write(state, 0x06, 0x40);
 645                        adv7180_csi_write(state, 0x07, 0x58);
 646                        adv7180_csi_write(state, 0x08, 0x30);
 647                }
 648                adv7180_vpp_write(state, 0xa3, 0x70);
 649                adv7180_vpp_write(state, 0x5b, 0x80);
 650                adv7180_vpp_write(state, 0x55, 0x00);
 651        }
 652
 653        return 0;
 654}
 655
 656static int adv7180_get_pad_format(struct v4l2_subdev *sd,
 657                                  struct v4l2_subdev_pad_config *cfg,
 658                                  struct v4l2_subdev_format *format)
 659{
 660        struct adv7180_state *state = to_state(sd);
 661
 662        if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
 663                format->format = *v4l2_subdev_get_try_format(sd, cfg, 0);
 664        } else {
 665                adv7180_mbus_fmt(sd, &format->format);
 666                format->format.field = state->field;
 667        }
 668
 669        return 0;
 670}
 671
 672static int adv7180_set_pad_format(struct v4l2_subdev *sd,
 673                                  struct v4l2_subdev_pad_config *cfg,
 674                                  struct v4l2_subdev_format *format)
 675{
 676        struct adv7180_state *state = to_state(sd);
 677        struct v4l2_mbus_framefmt *framefmt;
 678
 679        switch (format->format.field) {
 680        case V4L2_FIELD_NONE:
 681                if (!(state->chip_info->flags & ADV7180_FLAG_I2P))
 682                        format->format.field = V4L2_FIELD_INTERLACED;
 683                break;
 684        default:
 685                format->format.field = V4L2_FIELD_INTERLACED;
 686                break;
 687        }
 688
 689        if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE) {
 690                framefmt = &format->format;
 691                if (state->field != format->format.field) {
 692                        state->field = format->format.field;
 693                        adv7180_set_power(state, false);
 694                        adv7180_set_field_mode(state);
 695                        adv7180_set_power(state, true);
 696                }
 697        } else {
 698                framefmt = v4l2_subdev_get_try_format(sd, cfg, 0);
 699                *framefmt = format->format;
 700        }
 701
 702        return adv7180_mbus_fmt(sd, framefmt);
 703}
 704
 705static int adv7180_g_mbus_config(struct v4l2_subdev *sd,
 706                                 struct v4l2_mbus_config *cfg)
 707{
 708        struct adv7180_state *state = to_state(sd);
 709
 710        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 711                cfg->type = V4L2_MBUS_CSI2;
 712                cfg->flags = V4L2_MBUS_CSI2_1_LANE |
 713                                V4L2_MBUS_CSI2_CHANNEL_0 |
 714                                V4L2_MBUS_CSI2_CONTINUOUS_CLOCK;
 715        } else {
 716                /*
 717                 * The ADV7180 sensor supports BT.601/656 output modes.
 718                 * The BT.656 is default and not yet configurable by s/w.
 719                 */
 720                cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
 721                                 V4L2_MBUS_DATA_ACTIVE_HIGH;
 722                cfg->type = V4L2_MBUS_BT656;
 723        }
 724
 725        return 0;
 726}
 727
 728static int adv7180_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *cropcap)
 729{
 730        struct adv7180_state *state = to_state(sd);
 731
 732        if (state->curr_norm & V4L2_STD_525_60) {
 733                cropcap->pixelaspect.numerator = 11;
 734                cropcap->pixelaspect.denominator = 10;
 735        } else {
 736                cropcap->pixelaspect.numerator = 54;
 737                cropcap->pixelaspect.denominator = 59;
 738        }
 739
 740        return 0;
 741}
 742
 743static int adv7180_g_tvnorms(struct v4l2_subdev *sd, v4l2_std_id *norm)
 744{
 745        *norm = V4L2_STD_ALL;
 746        return 0;
 747}
 748
 749static int adv7180_s_stream(struct v4l2_subdev *sd, int enable)
 750{
 751        struct adv7180_state *state = to_state(sd);
 752        int ret;
 753
 754        /* It's always safe to stop streaming, no need to take the lock */
 755        if (!enable) {
 756                state->streaming = enable;
 757                return 0;
 758        }
 759
 760        /* Must wait until querystd released the lock */
 761        ret = mutex_lock_interruptible(&state->mutex);
 762        if (ret)
 763                return ret;
 764        state->streaming = enable;
 765        mutex_unlock(&state->mutex);
 766        return 0;
 767}
 768
 769static int adv7180_subscribe_event(struct v4l2_subdev *sd,
 770                                   struct v4l2_fh *fh,
 771                                   struct v4l2_event_subscription *sub)
 772{
 773        switch (sub->type) {
 774        case V4L2_EVENT_SOURCE_CHANGE:
 775                return v4l2_src_change_event_subdev_subscribe(sd, fh, sub);
 776        case V4L2_EVENT_CTRL:
 777                return v4l2_ctrl_subdev_subscribe_event(sd, fh, sub);
 778        default:
 779                return -EINVAL;
 780        }
 781}
 782
 783static const struct v4l2_subdev_video_ops adv7180_video_ops = {
 784        .s_std = adv7180_s_std,
 785        .g_std = adv7180_g_std,
 786        .querystd = adv7180_querystd,
 787        .g_input_status = adv7180_g_input_status,
 788        .s_routing = adv7180_s_routing,
 789        .g_mbus_config = adv7180_g_mbus_config,
 790        .cropcap = adv7180_cropcap,
 791        .g_tvnorms = adv7180_g_tvnorms,
 792        .s_stream = adv7180_s_stream,
 793};
 794
 795static const struct v4l2_subdev_core_ops adv7180_core_ops = {
 796        .s_power = adv7180_s_power,
 797        .subscribe_event = adv7180_subscribe_event,
 798        .unsubscribe_event = v4l2_event_subdev_unsubscribe,
 799};
 800
 801static const struct v4l2_subdev_pad_ops adv7180_pad_ops = {
 802        .enum_mbus_code = adv7180_enum_mbus_code,
 803        .set_fmt = adv7180_set_pad_format,
 804        .get_fmt = adv7180_get_pad_format,
 805};
 806
 807static const struct v4l2_subdev_ops adv7180_ops = {
 808        .core = &adv7180_core_ops,
 809        .video = &adv7180_video_ops,
 810        .pad = &adv7180_pad_ops,
 811};
 812
 813static irqreturn_t adv7180_irq(int irq, void *devid)
 814{
 815        struct adv7180_state *state = devid;
 816        u8 isr3;
 817
 818        mutex_lock(&state->mutex);
 819        isr3 = adv7180_read(state, ADV7180_REG_ISR3);
 820        /* clear */
 821        adv7180_write(state, ADV7180_REG_ICR3, isr3);
 822
 823        if (isr3 & ADV7180_IRQ3_AD_CHANGE) {
 824                static const struct v4l2_event src_ch = {
 825                        .type = V4L2_EVENT_SOURCE_CHANGE,
 826                        .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION,
 827                };
 828
 829                v4l2_subdev_notify_event(&state->sd, &src_ch);
 830        }
 831        mutex_unlock(&state->mutex);
 832
 833        return IRQ_HANDLED;
 834}
 835
 836static int adv7180_init(struct adv7180_state *state)
 837{
 838        int ret;
 839
 840        /* ITU-R BT.656-4 compatible */
 841        ret = adv7180_write(state, ADV7180_REG_EXTENDED_OUTPUT_CONTROL,
 842                        ADV7180_EXTENDED_OUTPUT_CONTROL_NTSCDIS);
 843        if (ret < 0)
 844                return ret;
 845
 846        /* Manually set V bit end position in NTSC mode */
 847        return adv7180_write(state, ADV7180_REG_NTSC_V_BIT_END,
 848                                        ADV7180_NTSC_V_BIT_END_MANUAL_NVEND);
 849}
 850
 851static int adv7180_set_std(struct adv7180_state *state, unsigned int std)
 852{
 853        return adv7180_write(state, ADV7180_REG_INPUT_CONTROL,
 854                (std << 4) | state->input);
 855}
 856
 857static int adv7180_select_input(struct adv7180_state *state, unsigned int input)
 858{
 859        int ret;
 860
 861        ret = adv7180_read(state, ADV7180_REG_INPUT_CONTROL);
 862        if (ret < 0)
 863                return ret;
 864
 865        ret &= ~ADV7180_INPUT_CONTROL_INSEL_MASK;
 866        ret |= input;
 867        return adv7180_write(state, ADV7180_REG_INPUT_CONTROL, ret);
 868}
 869
 870static int adv7182_init(struct adv7180_state *state)
 871{
 872        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
 873                adv7180_write(state, ADV7180_REG_CSI_SLAVE_ADDR,
 874                        ADV7180_DEFAULT_CSI_I2C_ADDR << 1);
 875
 876        if (state->chip_info->flags & ADV7180_FLAG_I2P)
 877                adv7180_write(state, ADV7180_REG_VPP_SLAVE_ADDR,
 878                        ADV7180_DEFAULT_VPP_I2C_ADDR << 1);
 879
 880        if (state->chip_info->flags & ADV7180_FLAG_V2) {
 881                /* ADI recommended writes for improved video quality */
 882                adv7180_write(state, 0x0080, 0x51);
 883                adv7180_write(state, 0x0081, 0x51);
 884                adv7180_write(state, 0x0082, 0x68);
 885        }
 886
 887        /* ADI required writes */
 888        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
 889                adv7180_write(state, 0x0003, 0x4e);
 890                adv7180_write(state, 0x0004, 0x57);
 891                adv7180_write(state, 0x001d, 0xc0);
 892        } else {
 893                if (state->chip_info->flags & ADV7180_FLAG_V2)
 894                        adv7180_write(state, 0x0004, 0x17);
 895                else
 896                        adv7180_write(state, 0x0004, 0x07);
 897                adv7180_write(state, 0x0003, 0x0c);
 898                adv7180_write(state, 0x001d, 0x40);
 899        }
 900
 901        adv7180_write(state, 0x0013, 0x00);
 902
 903        return 0;
 904}
 905
 906static int adv7182_set_std(struct adv7180_state *state, unsigned int std)
 907{
 908        return adv7180_write(state, ADV7182_REG_INPUT_VIDSEL, std << 4);
 909}
 910
 911enum adv7182_input_type {
 912        ADV7182_INPUT_TYPE_CVBS,
 913        ADV7182_INPUT_TYPE_DIFF_CVBS,
 914        ADV7182_INPUT_TYPE_SVIDEO,
 915        ADV7182_INPUT_TYPE_YPBPR,
 916};
 917
 918static enum adv7182_input_type adv7182_get_input_type(unsigned int input)
 919{
 920        switch (input) {
 921        case ADV7182_INPUT_CVBS_AIN1:
 922        case ADV7182_INPUT_CVBS_AIN2:
 923        case ADV7182_INPUT_CVBS_AIN3:
 924        case ADV7182_INPUT_CVBS_AIN4:
 925        case ADV7182_INPUT_CVBS_AIN5:
 926        case ADV7182_INPUT_CVBS_AIN6:
 927        case ADV7182_INPUT_CVBS_AIN7:
 928        case ADV7182_INPUT_CVBS_AIN8:
 929                return ADV7182_INPUT_TYPE_CVBS;
 930        case ADV7182_INPUT_SVIDEO_AIN1_AIN2:
 931        case ADV7182_INPUT_SVIDEO_AIN3_AIN4:
 932        case ADV7182_INPUT_SVIDEO_AIN5_AIN6:
 933        case ADV7182_INPUT_SVIDEO_AIN7_AIN8:
 934                return ADV7182_INPUT_TYPE_SVIDEO;
 935        case ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3:
 936        case ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6:
 937                return ADV7182_INPUT_TYPE_YPBPR;
 938        case ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2:
 939        case ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4:
 940        case ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6:
 941        case ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8:
 942                return ADV7182_INPUT_TYPE_DIFF_CVBS;
 943        default: /* Will never happen */
 944                return 0;
 945        }
 946}
 947
 948/* ADI recommended writes to registers 0x52, 0x53, 0x54 */
 949static unsigned int adv7182_lbias_settings[][3] = {
 950        [ADV7182_INPUT_TYPE_CVBS] = { 0xCB, 0x4E, 0x80 },
 951        [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 952        [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 953        [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 954};
 955
 956static unsigned int adv7280_lbias_settings[][3] = {
 957        [ADV7182_INPUT_TYPE_CVBS] = { 0xCD, 0x4E, 0x80 },
 958        [ADV7182_INPUT_TYPE_DIFF_CVBS] = { 0xC0, 0x4E, 0x80 },
 959        [ADV7182_INPUT_TYPE_SVIDEO] = { 0x0B, 0xCE, 0x80 },
 960        [ADV7182_INPUT_TYPE_YPBPR] = { 0x0B, 0x4E, 0xC0 },
 961};
 962
 963static int adv7182_select_input(struct adv7180_state *state, unsigned int input)
 964{
 965        enum adv7182_input_type input_type;
 966        unsigned int *lbias;
 967        unsigned int i;
 968        int ret;
 969
 970        ret = adv7180_write(state, ADV7180_REG_INPUT_CONTROL, input);
 971        if (ret)
 972                return ret;
 973
 974        /* Reset clamp circuitry - ADI recommended writes */
 975        adv7180_write(state, 0x809c, 0x00);
 976        adv7180_write(state, 0x809c, 0xff);
 977
 978        input_type = adv7182_get_input_type(input);
 979
 980        switch (input_type) {
 981        case ADV7182_INPUT_TYPE_CVBS:
 982        case ADV7182_INPUT_TYPE_DIFF_CVBS:
 983                /* ADI recommends to use the SH1 filter */
 984                adv7180_write(state, 0x0017, 0x41);
 985                break;
 986        default:
 987                adv7180_write(state, 0x0017, 0x01);
 988                break;
 989        }
 990
 991        if (state->chip_info->flags & ADV7180_FLAG_V2)
 992                lbias = adv7280_lbias_settings[input_type];
 993        else
 994                lbias = adv7182_lbias_settings[input_type];
 995
 996        for (i = 0; i < ARRAY_SIZE(adv7182_lbias_settings[0]); i++)
 997                adv7180_write(state, 0x0052 + i, lbias[i]);
 998
 999        if (input_type == ADV7182_INPUT_TYPE_DIFF_CVBS) {
1000                /* ADI required writes to make differential CVBS work */
1001                adv7180_write(state, 0x005f, 0xa8);
1002                adv7180_write(state, 0x005a, 0x90);
1003                adv7180_write(state, 0x0060, 0xb0);
1004                adv7180_write(state, 0x80b6, 0x08);
1005                adv7180_write(state, 0x80c0, 0xa0);
1006        } else {
1007                adv7180_write(state, 0x005f, 0xf0);
1008                adv7180_write(state, 0x005a, 0xd0);
1009                adv7180_write(state, 0x0060, 0x10);
1010                adv7180_write(state, 0x80b6, 0x9c);
1011                adv7180_write(state, 0x80c0, 0x00);
1012        }
1013
1014        return 0;
1015}
1016
1017static const struct adv7180_chip_info adv7180_info = {
1018        .flags = ADV7180_FLAG_RESET_POWERED,
1019        /* We cannot discriminate between LQFP and 40-pin LFCSP, so accept
1020         * all inputs and let the card driver take care of validation
1021         */
1022        .valid_input_mask = BIT(ADV7180_INPUT_CVBS_AIN1) |
1023                BIT(ADV7180_INPUT_CVBS_AIN2) |
1024                BIT(ADV7180_INPUT_CVBS_AIN3) |
1025                BIT(ADV7180_INPUT_CVBS_AIN4) |
1026                BIT(ADV7180_INPUT_CVBS_AIN5) |
1027                BIT(ADV7180_INPUT_CVBS_AIN6) |
1028                BIT(ADV7180_INPUT_SVIDEO_AIN1_AIN2) |
1029                BIT(ADV7180_INPUT_SVIDEO_AIN3_AIN4) |
1030                BIT(ADV7180_INPUT_SVIDEO_AIN5_AIN6) |
1031                BIT(ADV7180_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1032                BIT(ADV7180_INPUT_YPRPB_AIN4_AIN5_AIN6),
1033        .init = adv7180_init,
1034        .set_std = adv7180_set_std,
1035        .select_input = adv7180_select_input,
1036};
1037
1038static const struct adv7180_chip_info adv7182_info = {
1039        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1040                BIT(ADV7182_INPUT_CVBS_AIN2) |
1041                BIT(ADV7182_INPUT_CVBS_AIN3) |
1042                BIT(ADV7182_INPUT_CVBS_AIN4) |
1043                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1044                BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1045                BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1046                BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1047                BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4),
1048        .init = adv7182_init,
1049        .set_std = adv7182_set_std,
1050        .select_input = adv7182_select_input,
1051};
1052
1053static const struct adv7180_chip_info adv7280_info = {
1054        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1055        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1056                BIT(ADV7182_INPUT_CVBS_AIN2) |
1057                BIT(ADV7182_INPUT_CVBS_AIN3) |
1058                BIT(ADV7182_INPUT_CVBS_AIN4) |
1059                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1060                BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1061                BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3),
1062        .init = adv7182_init,
1063        .set_std = adv7182_set_std,
1064        .select_input = adv7182_select_input,
1065};
1066
1067static const struct adv7180_chip_info adv7280_m_info = {
1068        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1069        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1070                BIT(ADV7182_INPUT_CVBS_AIN2) |
1071                BIT(ADV7182_INPUT_CVBS_AIN3) |
1072                BIT(ADV7182_INPUT_CVBS_AIN4) |
1073                BIT(ADV7182_INPUT_CVBS_AIN5) |
1074                BIT(ADV7182_INPUT_CVBS_AIN6) |
1075                BIT(ADV7182_INPUT_CVBS_AIN7) |
1076                BIT(ADV7182_INPUT_CVBS_AIN8) |
1077                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1078                BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1079                BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1080                BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1081                BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1082                BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6),
1083        .init = adv7182_init,
1084        .set_std = adv7182_set_std,
1085        .select_input = adv7182_select_input,
1086};
1087
1088static const struct adv7180_chip_info adv7281_info = {
1089        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1090        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1091                BIT(ADV7182_INPUT_CVBS_AIN2) |
1092                BIT(ADV7182_INPUT_CVBS_AIN7) |
1093                BIT(ADV7182_INPUT_CVBS_AIN8) |
1094                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1095                BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1096                BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1097                BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1098        .init = adv7182_init,
1099        .set_std = adv7182_set_std,
1100        .select_input = adv7182_select_input,
1101};
1102
1103static const struct adv7180_chip_info adv7281_m_info = {
1104        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1105        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1106                BIT(ADV7182_INPUT_CVBS_AIN2) |
1107                BIT(ADV7182_INPUT_CVBS_AIN3) |
1108                BIT(ADV7182_INPUT_CVBS_AIN4) |
1109                BIT(ADV7182_INPUT_CVBS_AIN7) |
1110                BIT(ADV7182_INPUT_CVBS_AIN8) |
1111                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1112                BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1113                BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1114                BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1115                BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1116                BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1117                BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1118        .init = adv7182_init,
1119        .set_std = adv7182_set_std,
1120        .select_input = adv7182_select_input,
1121};
1122
1123static const struct adv7180_chip_info adv7281_ma_info = {
1124        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2,
1125        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1126                BIT(ADV7182_INPUT_CVBS_AIN2) |
1127                BIT(ADV7182_INPUT_CVBS_AIN3) |
1128                BIT(ADV7182_INPUT_CVBS_AIN4) |
1129                BIT(ADV7182_INPUT_CVBS_AIN5) |
1130                BIT(ADV7182_INPUT_CVBS_AIN6) |
1131                BIT(ADV7182_INPUT_CVBS_AIN7) |
1132                BIT(ADV7182_INPUT_CVBS_AIN8) |
1133                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1134                BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1135                BIT(ADV7182_INPUT_SVIDEO_AIN5_AIN6) |
1136                BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1137                BIT(ADV7182_INPUT_YPRPB_AIN1_AIN2_AIN3) |
1138                BIT(ADV7182_INPUT_YPRPB_AIN4_AIN5_AIN6) |
1139                BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1140                BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1141                BIT(ADV7182_INPUT_DIFF_CVBS_AIN5_AIN6) |
1142                BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1143        .init = adv7182_init,
1144        .set_std = adv7182_set_std,
1145        .select_input = adv7182_select_input,
1146};
1147
1148static const struct adv7180_chip_info adv7282_info = {
1149        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_I2P,
1150        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1151                BIT(ADV7182_INPUT_CVBS_AIN2) |
1152                BIT(ADV7182_INPUT_CVBS_AIN7) |
1153                BIT(ADV7182_INPUT_CVBS_AIN8) |
1154                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1155                BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1156                BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1157                BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1158        .init = adv7182_init,
1159        .set_std = adv7182_set_std,
1160        .select_input = adv7182_select_input,
1161};
1162
1163static const struct adv7180_chip_info adv7282_m_info = {
1164        .flags = ADV7180_FLAG_V2 | ADV7180_FLAG_MIPI_CSI2 | ADV7180_FLAG_I2P,
1165        .valid_input_mask = BIT(ADV7182_INPUT_CVBS_AIN1) |
1166                BIT(ADV7182_INPUT_CVBS_AIN2) |
1167                BIT(ADV7182_INPUT_CVBS_AIN3) |
1168                BIT(ADV7182_INPUT_CVBS_AIN4) |
1169                BIT(ADV7182_INPUT_CVBS_AIN7) |
1170                BIT(ADV7182_INPUT_CVBS_AIN8) |
1171                BIT(ADV7182_INPUT_SVIDEO_AIN1_AIN2) |
1172                BIT(ADV7182_INPUT_SVIDEO_AIN3_AIN4) |
1173                BIT(ADV7182_INPUT_SVIDEO_AIN7_AIN8) |
1174                BIT(ADV7182_INPUT_DIFF_CVBS_AIN1_AIN2) |
1175                BIT(ADV7182_INPUT_DIFF_CVBS_AIN3_AIN4) |
1176                BIT(ADV7182_INPUT_DIFF_CVBS_AIN7_AIN8),
1177        .init = adv7182_init,
1178        .set_std = adv7182_set_std,
1179        .select_input = adv7182_select_input,
1180};
1181
1182static int init_device(struct adv7180_state *state)
1183{
1184        int ret;
1185
1186        mutex_lock(&state->mutex);
1187
1188        adv7180_write(state, ADV7180_REG_PWR_MAN, ADV7180_PWR_MAN_RES);
1189        usleep_range(5000, 10000);
1190
1191        ret = state->chip_info->init(state);
1192        if (ret)
1193                goto out_unlock;
1194
1195        ret = adv7180_program_std(state);
1196        if (ret)
1197                goto out_unlock;
1198
1199        adv7180_set_field_mode(state);
1200
1201        /* register for interrupts */
1202        if (state->irq > 0) {
1203                /* config the Interrupt pin to be active low */
1204                ret = adv7180_write(state, ADV7180_REG_ICONF1,
1205                                                ADV7180_ICONF1_ACTIVE_LOW |
1206                                                ADV7180_ICONF1_PSYNC_ONLY);
1207                if (ret < 0)
1208                        goto out_unlock;
1209
1210                ret = adv7180_write(state, ADV7180_REG_IMR1, 0);
1211                if (ret < 0)
1212                        goto out_unlock;
1213
1214                ret = adv7180_write(state, ADV7180_REG_IMR2, 0);
1215                if (ret < 0)
1216                        goto out_unlock;
1217
1218                /* enable AD change interrupts interrupts */
1219                ret = adv7180_write(state, ADV7180_REG_IMR3,
1220                                                ADV7180_IRQ3_AD_CHANGE);
1221                if (ret < 0)
1222                        goto out_unlock;
1223
1224                ret = adv7180_write(state, ADV7180_REG_IMR4, 0);
1225                if (ret < 0)
1226                        goto out_unlock;
1227        }
1228
1229out_unlock:
1230        mutex_unlock(&state->mutex);
1231
1232        return ret;
1233}
1234
1235static int adv7180_probe(struct i2c_client *client,
1236                         const struct i2c_device_id *id)
1237{
1238        struct adv7180_state *state;
1239        struct v4l2_subdev *sd;
1240        int ret;
1241
1242        /* Check if the adapter supports the needed features */
1243        if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1244                return -EIO;
1245
1246        v4l_info(client, "chip found @ 0x%02x (%s)\n",
1247                 client->addr, client->adapter->name);
1248
1249        state = devm_kzalloc(&client->dev, sizeof(*state), GFP_KERNEL);
1250        if (state == NULL)
1251                return -ENOMEM;
1252
1253        state->client = client;
1254        state->field = V4L2_FIELD_INTERLACED;
1255        state->chip_info = (struct adv7180_chip_info *)id->driver_data;
1256
1257        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2) {
1258                state->csi_client = i2c_new_dummy(client->adapter,
1259                                ADV7180_DEFAULT_CSI_I2C_ADDR);
1260                if (!state->csi_client)
1261                        return -ENOMEM;
1262        }
1263
1264        if (state->chip_info->flags & ADV7180_FLAG_I2P) {
1265                state->vpp_client = i2c_new_dummy(client->adapter,
1266                                ADV7180_DEFAULT_VPP_I2C_ADDR);
1267                if (!state->vpp_client) {
1268                        ret = -ENOMEM;
1269                        goto err_unregister_csi_client;
1270                }
1271        }
1272
1273        state->irq = client->irq;
1274        mutex_init(&state->mutex);
1275        state->curr_norm = V4L2_STD_NTSC;
1276        if (state->chip_info->flags & ADV7180_FLAG_RESET_POWERED)
1277                state->powered = true;
1278        else
1279                state->powered = false;
1280        state->input = 0;
1281        sd = &state->sd;
1282        v4l2_i2c_subdev_init(sd, client, &adv7180_ops);
1283        sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE | V4L2_SUBDEV_FL_HAS_EVENTS;
1284
1285        ret = adv7180_init_controls(state);
1286        if (ret)
1287                goto err_unregister_vpp_client;
1288
1289        state->pad.flags = MEDIA_PAD_FL_SOURCE;
1290        sd->entity.flags |= MEDIA_ENT_F_ATV_DECODER;
1291        ret = media_entity_pads_init(&sd->entity, 1, &state->pad);
1292        if (ret)
1293                goto err_free_ctrl;
1294
1295        ret = init_device(state);
1296        if (ret)
1297                goto err_media_entity_cleanup;
1298
1299        if (state->irq) {
1300                ret = request_threaded_irq(client->irq, NULL, adv7180_irq,
1301                                           IRQF_ONESHOT | IRQF_TRIGGER_FALLING,
1302                                           KBUILD_MODNAME, state);
1303                if (ret)
1304                        goto err_media_entity_cleanup;
1305        }
1306
1307        ret = v4l2_async_register_subdev(sd);
1308        if (ret)
1309                goto err_free_irq;
1310
1311        return 0;
1312
1313err_free_irq:
1314        if (state->irq > 0)
1315                free_irq(client->irq, state);
1316err_media_entity_cleanup:
1317        media_entity_cleanup(&sd->entity);
1318err_free_ctrl:
1319        adv7180_exit_controls(state);
1320err_unregister_vpp_client:
1321        if (state->chip_info->flags & ADV7180_FLAG_I2P)
1322                i2c_unregister_device(state->vpp_client);
1323err_unregister_csi_client:
1324        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1325                i2c_unregister_device(state->csi_client);
1326        mutex_destroy(&state->mutex);
1327        return ret;
1328}
1329
1330static int adv7180_remove(struct i2c_client *client)
1331{
1332        struct v4l2_subdev *sd = i2c_get_clientdata(client);
1333        struct adv7180_state *state = to_state(sd);
1334
1335        v4l2_async_unregister_subdev(sd);
1336
1337        if (state->irq > 0)
1338                free_irq(client->irq, state);
1339
1340        media_entity_cleanup(&sd->entity);
1341        adv7180_exit_controls(state);
1342
1343        if (state->chip_info->flags & ADV7180_FLAG_I2P)
1344                i2c_unregister_device(state->vpp_client);
1345        if (state->chip_info->flags & ADV7180_FLAG_MIPI_CSI2)
1346                i2c_unregister_device(state->csi_client);
1347
1348        mutex_destroy(&state->mutex);
1349
1350        return 0;
1351}
1352
1353static const struct i2c_device_id adv7180_id[] = {
1354        { "adv7180", (kernel_ulong_t)&adv7180_info },
1355        { "adv7182", (kernel_ulong_t)&adv7182_info },
1356        { "adv7280", (kernel_ulong_t)&adv7280_info },
1357        { "adv7280-m", (kernel_ulong_t)&adv7280_m_info },
1358        { "adv7281", (kernel_ulong_t)&adv7281_info },
1359        { "adv7281-m", (kernel_ulong_t)&adv7281_m_info },
1360        { "adv7281-ma", (kernel_ulong_t)&adv7281_ma_info },
1361        { "adv7282", (kernel_ulong_t)&adv7282_info },
1362        { "adv7282-m", (kernel_ulong_t)&adv7282_m_info },
1363        {},
1364};
1365MODULE_DEVICE_TABLE(i2c, adv7180_id);
1366
1367#ifdef CONFIG_PM_SLEEP
1368static int adv7180_suspend(struct device *dev)
1369{
1370        struct i2c_client *client = to_i2c_client(dev);
1371        struct v4l2_subdev *sd = i2c_get_clientdata(client);
1372        struct adv7180_state *state = to_state(sd);
1373
1374        return adv7180_set_power(state, false);
1375}
1376
1377static int adv7180_resume(struct device *dev)
1378{
1379        struct i2c_client *client = to_i2c_client(dev);
1380        struct v4l2_subdev *sd = i2c_get_clientdata(client);
1381        struct adv7180_state *state = to_state(sd);
1382        int ret;
1383
1384        ret = init_device(state);
1385        if (ret < 0)
1386                return ret;
1387
1388        ret = adv7180_set_power(state, state->powered);
1389        if (ret)
1390                return ret;
1391
1392        return 0;
1393}
1394
1395static SIMPLE_DEV_PM_OPS(adv7180_pm_ops, adv7180_suspend, adv7180_resume);
1396#define ADV7180_PM_OPS (&adv7180_pm_ops)
1397
1398#else
1399#define ADV7180_PM_OPS NULL
1400#endif
1401
1402#ifdef CONFIG_OF
1403static const struct of_device_id adv7180_of_id[] = {
1404        { .compatible = "adi,adv7180", },
1405        { .compatible = "adi,adv7182", },
1406        { .compatible = "adi,adv7280", },
1407        { .compatible = "adi,adv7280-m", },
1408        { .compatible = "adi,adv7281", },
1409        { .compatible = "adi,adv7281-m", },
1410        { .compatible = "adi,adv7281-ma", },
1411        { .compatible = "adi,adv7282", },
1412        { .compatible = "adi,adv7282-m", },
1413        { },
1414};
1415
1416MODULE_DEVICE_TABLE(of, adv7180_of_id);
1417#endif
1418
1419static struct i2c_driver adv7180_driver = {
1420        .driver = {
1421                   .name = KBUILD_MODNAME,
1422                   .pm = ADV7180_PM_OPS,
1423                   .of_match_table = of_match_ptr(adv7180_of_id),
1424                   },
1425        .probe = adv7180_probe,
1426        .remove = adv7180_remove,
1427        .id_table = adv7180_id,
1428};
1429
1430module_i2c_driver(adv7180_driver);
1431
1432MODULE_DESCRIPTION("Analog Devices ADV7180 video decoder driver");
1433MODULE_AUTHOR("Mocean Laboratories");
1434MODULE_LICENSE("GPL v2");
1435