include/media/i2c/adv7842.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * adv7842 - Analog Devices ADV7842 video decoder driver
   4  *
   5  * Copyright 2013 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
   6  */
   7
   8 #ifndef _ADV7842_
   9 #define _ADV7842_
  10
  11 /* Analog input muxing modes (AFE register 0x02, [2:0]) */
  12 enum adv7842_ain_sel {
  13         ADV7842_AIN1_2_3_NC_SYNC_1_2 = 0,
  14         ADV7842_AIN4_5_6_NC_SYNC_2_1 = 1,
  15         ADV7842_AIN7_8_9_NC_SYNC_3_1 = 2,
  16         ADV7842_AIN10_11_12_NC_SYNC_4_1 = 3,
  17         ADV7842_AIN9_4_5_6_SYNC_2_1 = 4,
  18 };
  19
  20 /*
  21  * Bus rotation and reordering. This is used to specify component reordering on
  22  * the board and describes the components order on the bus when the ADV7842
  23  * outputs RGB.
  24  */
  25 enum adv7842_bus_order {
  26         ADV7842_BUS_ORDER_RGB,          /* No operation */
  27         ADV7842_BUS_ORDER_GRB,          /* Swap 1-2     */
  28         ADV7842_BUS_ORDER_RBG,          /* Swap 2-3     */
  29         ADV7842_BUS_ORDER_BGR,          /* Swap 1-3     */
  30         ADV7842_BUS_ORDER_BRG,          /* Rotate right */
  31         ADV7842_BUS_ORDER_GBR,          /* Rotate left  */
  32 };
  33
  34 /* Input Color Space (IO register 0x02, [7:4]) */
  35 enum adv7842_inp_color_space {
  36         ADV7842_INP_COLOR_SPACE_LIM_RGB = 0,
  37         ADV7842_INP_COLOR_SPACE_FULL_RGB = 1,
  38         ADV7842_INP_COLOR_SPACE_LIM_YCbCr_601 = 2,
  39         ADV7842_INP_COLOR_SPACE_LIM_YCbCr_709 = 3,
  40         ADV7842_INP_COLOR_SPACE_XVYCC_601 = 4,
  41         ADV7842_INP_COLOR_SPACE_XVYCC_709 = 5,
  42         ADV7842_INP_COLOR_SPACE_FULL_YCbCr_601 = 6,
  43         ADV7842_INP_COLOR_SPACE_FULL_YCbCr_709 = 7,
  44         ADV7842_INP_COLOR_SPACE_AUTO = 0xf,
  45 };
  46
  47 /* Select output format (IO register 0x03, [4:2]) */
  48 enum adv7842_op_format_mode_sel {
  49         ADV7842_OP_FORMAT_MODE0 = 0x00,
  50         ADV7842_OP_FORMAT_MODE1 = 0x04,
  51         ADV7842_OP_FORMAT_MODE2 = 0x08,
  52 };
  53
  54 /* Mode of operation */
  55 enum adv7842_mode {
  56         ADV7842_MODE_SDP,
  57         ADV7842_MODE_COMP,
  58         ADV7842_MODE_RGB,
  59         ADV7842_MODE_HDMI
  60 };
  61
  62 /* Video standard select (IO register 0x00, [5:0]) */
  63 enum adv7842_vid_std_select {
  64         /* SDP */
  65         ADV7842_SDP_VID_STD_CVBS_SD_4x1 = 0x01,
  66         ADV7842_SDP_VID_STD_YC_SD4_x1 = 0x09,
  67         /* RGB */
  68         ADV7842_RGB_VID_STD_AUTO_GRAPH_MODE = 0x07,
  69         /* HDMI GR */
  70         ADV7842_HDMI_GR_VID_STD_AUTO_GRAPH_MODE = 0x02,
  71         /* HDMI COMP */
  72         ADV7842_HDMI_COMP_VID_STD_HD_1250P = 0x1e,
  73 };
  74
  75 enum adv7842_select_input {
  76         ADV7842_SELECT_HDMI_PORT_A,
  77         ADV7842_SELECT_HDMI_PORT_B,
  78         ADV7842_SELECT_VGA_RGB,
  79         ADV7842_SELECT_VGA_COMP,
  80         ADV7842_SELECT_SDP_CVBS,
  81         ADV7842_SELECT_SDP_YC,
  82 };
  83
  84 enum adv7842_drive_strength {
  85         ADV7842_DR_STR_LOW = 0,
  86         ADV7842_DR_STR_MEDIUM_LOW = 1,
  87         ADV7842_DR_STR_MEDIUM_HIGH = 2,
  88         ADV7842_DR_STR_HIGH = 3,
  89 };
  90
  91 struct adv7842_sdp_csc_coeff {
  92         bool manual;
  93         u16 scaling;
  94         u16 A1;
  95         u16 A2;
  96         u16 A3;
  97         u16 A4;
  98         u16 B1;
  99         u16 B2;
 100         u16 B3;
 101         u16 B4;
 102         u16 C1;
 103         u16 C2;
 104         u16 C3;
 105         u16 C4;
 106 };
 107
 108 struct adv7842_sdp_io_sync_adjustment {
 109         bool adjust;
 110         u16 hs_beg;
 111         u16 hs_width;
 112         u16 de_beg;
 113         u16 de_end;
 114         u8 vs_beg_o;
 115         u8 vs_beg_e;
 116         u8 vs_end_o;
 117         u8 vs_end_e;
 118         u8 de_v_beg_o;
 119         u8 de_v_beg_e;
 120         u8 de_v_end_o;
 121         u8 de_v_end_e;
 122 };
 123
 124 /* Platform dependent definition */
 125 struct adv7842_platform_data {
 126         /* chip reset during probe */
 127         unsigned chip_reset:1;
 128
 129         /* DIS_PWRDNB: 1 if the PWRDNB pin is unused and unconnected */
 130         unsigned disable_pwrdnb:1;
 131
 132         /* DIS_CABLE_DET_RST: 1 if the 5V pins are unused and unconnected */
 133         unsigned disable_cable_det_rst:1;
 134
 135         /* Analog input muxing mode */
 136         enum adv7842_ain_sel ain_sel;
 137
 138         /* Bus rotation and reordering */
 139         enum adv7842_bus_order bus_order;
 140
 141         /* Select output format mode */
 142         enum adv7842_op_format_mode_sel op_format_mode_sel;
 143
 144         /* Default mode */
 145         enum adv7842_mode mode;
 146
 147         /* Default input */
 148         unsigned input;
 149
 150         /* Video standard */
 151         enum adv7842_vid_std_select vid_std_select;
 152
 153         /* IO register 0x02 */
 154         unsigned alt_gamma:1;
 155
 156         /* IO register 0x05 */
 157         unsigned blank_data:1;
 158         unsigned insert_av_codes:1;
 159         unsigned replicate_av_codes:1;
 160
 161         /* IO register 0x30 */
 162         unsigned output_bus_lsb_to_msb:1;
 163
 164         /* IO register 0x14 */
 165         enum adv7842_drive_strength dr_str_data;
 166         enum adv7842_drive_strength dr_str_clk;
 167         enum adv7842_drive_strength dr_str_sync;
 168
 169         /*
 170          * IO register 0x19: Adjustment to the LLC DLL phase in
 171          * increments of 1/32 of a clock period.
 172          */
 173         unsigned llc_dll_phase:5;
 174
 175         /* External RAM for 3-D comb or frame synchronizer */
 176         unsigned sd_ram_size; /* ram size in MB */
 177         unsigned sd_ram_ddr:1; /* ddr or sdr sdram */
 178
 179         /* HDMI free run, CP-reg 0xBA */
 180         unsigned hdmi_free_run_enable:1;
 181         /* 0 = Mode 0: run when there is no TMDS clock
 182            1 = Mode 1: run when there is no TMDS clock or the
 183                video resolution does not match programmed one. */
 184         unsigned hdmi_free_run_mode:1;
 185
 186         /* SDP free run, CP-reg 0xDD */
 187         unsigned sdp_free_run_auto:1;
 188         unsigned sdp_free_run_man_col_en:1;
 189         unsigned sdp_free_run_cbar_en:1;
 190         unsigned sdp_free_run_force:1;
 191
 192         /* HPA manual (0) or auto (1), affects HDMI register 0x69 */
 193         unsigned hpa_auto:1;
 194
 195         struct adv7842_sdp_csc_coeff sdp_csc_coeff;
 196
 197         struct adv7842_sdp_io_sync_adjustment sdp_io_sync_625;
 198         struct adv7842_sdp_io_sync_adjustment sdp_io_sync_525;
 199
 200         /* i2c addresses */
 201         u8 i2c_sdp_io;
 202         u8 i2c_sdp;
 203         u8 i2c_cp;
 204         u8 i2c_vdp;
 205         u8 i2c_afe;
 206         u8 i2c_hdmi;
 207         u8 i2c_repeater;
 208         u8 i2c_edid;
 209         u8 i2c_infoframe;
 210         u8 i2c_cec;
 211         u8 i2c_avlink;
 212 };
 213
 214 #define V4L2_CID_ADV_RX_ANALOG_SAMPLING_PHASE   (V4L2_CID_DV_CLASS_BASE + 0x1000)
 215 #define V4L2_CID_ADV_RX_FREE_RUN_COLOR_MANUAL   (V4L2_CID_DV_CLASS_BASE + 0x1001)
 216 #define V4L2_CID_ADV_RX_FREE_RUN_COLOR          (V4L2_CID_DV_CLASS_BASE + 0x1002)
 217
 218 /* custom ioctl, used to test the external RAM that's used by the
 219  * deinterlacer. */
 220 #define ADV7842_CMD_RAM_TEST _IO('V', BASE_VIDIOC_PRIVATE)
 221
 222 #define ADV7842_EDID_PORT_A   0
 223 #define ADV7842_EDID_PORT_B   1
 224 #define ADV7842_EDID_PORT_VGA 2
 225 #define ADV7842_PAD_SOURCE    3
 226
 227 #endif