cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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anx7625.h (13823B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright(c) 2020, Analogix Semiconductor. All rights reserved.
      4 *
      5 */
      6
      7#ifndef __ANX7625_H__
      8#define __ANX7625_H__
      9
     10#define ANX7625_DRV_VERSION "0.1.04"
     11
     12/* Loading OCM re-trying times */
     13#define OCM_LOADING_TIME 10
     14
     15/*********  ANX7625 Register  **********/
     16#define TX_P0_ADDR				0x70
     17#define TX_P1_ADDR				0x7A
     18#define TX_P2_ADDR				0x72
     19
     20#define RX_P0_ADDR				0x7e
     21#define RX_P1_ADDR				0x84
     22#define RX_P2_ADDR				0x54
     23
     24#define RSVD_00_ADDR				0x00
     25#define RSVD_D1_ADDR				0xD1
     26#define RSVD_60_ADDR				0x60
     27#define RSVD_39_ADDR				0x39
     28#define RSVD_7F_ADDR				0x7F
     29
     30#define TCPC_INTERFACE_ADDR			0x58
     31
     32/* Clock frequency in Hz */
     33#define XTAL_FRQ        (27 * 1000000)
     34
     35#define  POST_DIVIDER_MIN	1
     36#define  POST_DIVIDER_MAX	16
     37#define  PLL_OUT_FREQ_MIN	520000000UL
     38#define  PLL_OUT_FREQ_MAX	730000000UL
     39#define  PLL_OUT_FREQ_ABS_MIN	300000000UL
     40#define  PLL_OUT_FREQ_ABS_MAX	800000000UL
     41#define  MAX_UNSIGNED_24BIT	16777215UL
     42
     43/***************************************************************/
     44/* Register definition of device address 0x58 */
     45
     46#define PRODUCT_ID_L 0x02
     47#define PRODUCT_ID_H 0x03
     48
     49#define INTR_ALERT_1  0xCC
     50#define INTR_SOFTWARE_INT BIT(3)
     51#define INTR_RECEIVED_MSG BIT(5)
     52
     53#define SYSTEM_STSTUS 0x45
     54#define INTERFACE_CHANGE_INT 0x44
     55#define HPD_STATUS_CHANGE 0x80
     56#define HPD_STATUS 0x80
     57
     58/******** END of I2C Address 0x58 ********/
     59
     60/***************************************************************/
     61/* Register definition of device address 0x70 */
     62#define TX_HDCP_CTRL0			0x01
     63#define STORE_AN			BIT(7)
     64#define RX_REPEATER			BIT(6)
     65#define RE_AUTHEN			BIT(5)
     66#define SW_AUTH_OK			BIT(4)
     67#define HARD_AUTH_EN			BIT(3)
     68#define ENC_EN				BIT(2)
     69#define BKSV_SRM_PASS			BIT(1)
     70#define KSVLIST_VLD			BIT(0)
     71
     72#define SP_TX_WAIT_R0_TIME		0x40
     73#define SP_TX_WAIT_KSVR_TIME		0x42
     74#define SP_TX_SYS_CTRL1_REG		0x80
     75#define HDCP2TX_FW_EN			BIT(4)
     76
     77#define SP_TX_LINK_BW_SET_REG		0xA0
     78#define SP_TX_LANE_COUNT_SET_REG	0xA1
     79
     80#define M_VID_0 0xC0
     81#define M_VID_1 0xC1
     82#define M_VID_2 0xC2
     83#define N_VID_0 0xC3
     84#define N_VID_1 0xC4
     85#define N_VID_2 0xC5
     86
     87#define KEY_START_ADDR			0x9000
     88#define KEY_RESERVED			416
     89
     90#define HDCP14KEY_START_ADDR		(KEY_START_ADDR + KEY_RESERVED)
     91#define HDCP14KEY_SIZE			624
     92
     93/***************************************************************/
     94/* Register definition of device address 0x72 */
     95#define AUX_RST	0x04
     96#define RST_CTRL2 0x07
     97
     98#define SP_TX_TOTAL_LINE_STA_L 0x24
     99#define SP_TX_TOTAL_LINE_STA_H 0x25
    100#define SP_TX_ACT_LINE_STA_L 0x26
    101#define SP_TX_ACT_LINE_STA_H 0x27
    102#define SP_TX_V_F_PORCH_STA 0x28
    103#define SP_TX_V_SYNC_STA 0x29
    104#define SP_TX_V_B_PORCH_STA 0x2A
    105#define SP_TX_TOTAL_PIXEL_STA_L 0x2B
    106#define SP_TX_TOTAL_PIXEL_STA_H 0x2C
    107#define SP_TX_ACT_PIXEL_STA_L 0x2D
    108#define SP_TX_ACT_PIXEL_STA_H 0x2E
    109#define SP_TX_H_F_PORCH_STA_L 0x2F
    110#define SP_TX_H_F_PORCH_STA_H 0x30
    111#define SP_TX_H_SYNC_STA_L 0x31
    112#define SP_TX_H_SYNC_STA_H 0x32
    113#define SP_TX_H_B_PORCH_STA_L 0x33
    114#define SP_TX_H_B_PORCH_STA_H 0x34
    115
    116#define SP_TX_VID_CTRL 0x84
    117#define SP_TX_BPC_MASK 0xE0
    118#define SP_TX_BPC_6    0x00
    119#define SP_TX_BPC_8    0x20
    120#define SP_TX_BPC_10   0x40
    121#define SP_TX_BPC_12   0x60
    122
    123#define VIDEO_BIT_MATRIX_12 0x4c
    124
    125#define AUDIO_CHANNEL_STATUS_1 0xd0
    126#define AUDIO_CHANNEL_STATUS_2 0xd1
    127#define AUDIO_CHANNEL_STATUS_3 0xd2
    128#define AUDIO_CHANNEL_STATUS_4 0xd3
    129#define AUDIO_CHANNEL_STATUS_5 0xd4
    130#define AUDIO_CHANNEL_STATUS_6 0xd5
    131#define TDM_SLAVE_MODE 0x10
    132#define I2S_SLAVE_MODE 0x08
    133#define AUDIO_LAYOUT   0x01
    134
    135#define AUDIO_CONTROL_REGISTER 0xe6
    136#define TDM_TIMING_MODE 0x08
    137
    138#define I2C_ADDR_72_DPTX              0x72
    139
    140#define HP_MIN			8
    141#define HBLANKING_MIN		80
    142#define SYNC_LEN_DEF		32
    143#define HFP_HBP_DEF		((HBLANKING_MIN - SYNC_LEN_DEF) / 2)
    144#define VIDEO_CONTROL_0	0x08
    145
    146#define  ACTIVE_LINES_L         0x14
    147#define  ACTIVE_LINES_H         0x15  /* Bit[7:6] are reserved */
    148#define  VERTICAL_FRONT_PORCH   0x16
    149#define  VERTICAL_SYNC_WIDTH    0x17
    150#define  VERTICAL_BACK_PORCH    0x18
    151
    152#define  HORIZONTAL_TOTAL_PIXELS_L    0x19
    153#define  HORIZONTAL_TOTAL_PIXELS_H    0x1A  /* Bit[7:6] are reserved */
    154#define  HORIZONTAL_ACTIVE_PIXELS_L   0x1B
    155#define  HORIZONTAL_ACTIVE_PIXELS_H   0x1C  /* Bit[7:6] are reserved */
    156#define  HORIZONTAL_FRONT_PORCH_L     0x1D
    157#define  HORIZONTAL_FRONT_PORCH_H     0x1E  /* Bit[7:4] are reserved */
    158#define  HORIZONTAL_SYNC_WIDTH_L      0x1F
    159#define  HORIZONTAL_SYNC_WIDTH_H      0x20  /* Bit[7:4] are reserved */
    160#define  HORIZONTAL_BACK_PORCH_L      0x21
    161#define  HORIZONTAL_BACK_PORCH_H      0x22  /* Bit[7:4] are reserved */
    162
    163/******** END of I2C Address 0x72 *********/
    164
    165/***************************************************************/
    166/* Register definition of device address 0x7a */
    167#define DP_TX_SWING_REG_CNT		0x14
    168#define DP_TX_LANE0_SWING_REG0		0x00
    169#define DP_TX_LANE1_SWING_REG0		0x14
    170/******** END of I2C Address 0x7a *********/
    171
    172/***************************************************************/
    173/* Register definition of device address 0x7e */
    174
    175#define  I2C_ADDR_7E_FLASH_CONTROLLER  0x7E
    176
    177#define R_BOOT_RETRY		0x00
    178#define R_RAM_ADDR_H		0x01
    179#define R_RAM_ADDR_L		0x02
    180#define R_RAM_LEN_H		0x03
    181#define R_RAM_LEN_L		0x04
    182#define FLASH_LOAD_STA          0x05
    183#define FLASH_LOAD_STA_CHK	BIT(7)
    184
    185#define R_RAM_CTRL              0x05
    186/* bit positions */
    187#define FLASH_DONE              BIT(7)
    188#define BOOT_LOAD_DONE          BIT(6)
    189#define CRC_OK                  BIT(5)
    190#define LOAD_DONE               BIT(4)
    191#define O_RW_DONE               BIT(3)
    192#define FUSE_BUSY               BIT(2)
    193#define DECRYPT_EN              BIT(1)
    194#define LOAD_START              BIT(0)
    195
    196#define FLASH_ADDR_HIGH         0x0F
    197#define FLASH_ADDR_LOW          0x10
    198#define FLASH_LEN_HIGH          0x31
    199#define FLASH_LEN_LOW           0x32
    200#define R_FLASH_RW_CTRL         0x33
    201/* bit positions */
    202#define READ_DELAY_SELECT       BIT(7)
    203#define GENERAL_INSTRUCTION_EN  BIT(6)
    204#define FLASH_ERASE_EN          BIT(5)
    205#define RDID_READ_EN            BIT(4)
    206#define REMS_READ_EN            BIT(3)
    207#define WRITE_STATUS_EN         BIT(2)
    208#define FLASH_READ              BIT(1)
    209#define FLASH_WRITE             BIT(0)
    210
    211#define FLASH_BUF_BASE_ADDR     0x60
    212#define FLASH_BUF_LEN           0x20
    213
    214#define  XTAL_FRQ_SEL    0x3F
    215/* bit field positions */
    216#define  XTAL_FRQ_SEL_POS    5
    217/* bit field values */
    218#define  XTAL_FRQ_19M2   (0 << XTAL_FRQ_SEL_POS)
    219#define  XTAL_FRQ_27M    (4 << XTAL_FRQ_SEL_POS)
    220
    221#define  R_DSC_CTRL_0    0x40
    222#define  READ_STATUS_EN  7
    223#define  CLK_1MEG_RB     6  /* 1MHz clock reset; 0=reset, 0=reset release */
    224#define  DSC_BIST_DONE   1  /* Bit[5:1]: 1=DSC MBIST pass */
    225#define  DSC_EN          0x01  /* 1=DSC enabled, 0=DSC disabled */
    226
    227#define OCM_FW_VERSION   0x31
    228#define OCM_FW_REVERSION 0x32
    229
    230#define AP_AUX_ADDR_7_0   0x11
    231#define AP_AUX_ADDR_15_8  0x12
    232#define AP_AUX_ADDR_19_16 0x13
    233
    234/* Bit[0:3] AUX status, bit 4 op_en, bit 5 address only */
    235#define AP_AUX_CTRL_STATUS 0x14
    236#define AP_AUX_CTRL_OP_EN 0x10
    237#define AP_AUX_CTRL_ADDRONLY 0x20
    238
    239#define AP_AUX_BUFF_START 0x15
    240#define PIXEL_CLOCK_L	0x25
    241#define PIXEL_CLOCK_H	0x26
    242
    243#define AP_AUX_COMMAND	0x27  /* com+len */
    244#define LENGTH_SHIFT	4
    245#define DPCD_CMD(len, cmd)	((((len) - 1) << LENGTH_SHIFT) | (cmd))
    246
    247/* Bit 0&1: 3D video structure */
    248/* 0x01: frame packing,  0x02:Line alternative, 0x03:Side-by-side(full) */
    249#define AP_AV_STATUS 0x28
    250#define AP_VIDEO_CHG  BIT(2)
    251#define AP_AUDIO_CHG  BIT(3)
    252#define AP_MIPI_MUTE  BIT(4) /* 1:MIPI input mute, 0: ummute */
    253#define AP_MIPI_RX_EN BIT(5) /* 1: MIPI RX input in  0: no RX in */
    254#define AP_DISABLE_PD BIT(6)
    255#define AP_DISABLE_DISPLAY BIT(7)
    256/***************************************************************/
    257/* Register definition of device address 0x84 */
    258#define  MIPI_PHY_CONTROL_3            0x03
    259#define  MIPI_HS_PWD_CLK               7
    260#define  MIPI_HS_RT_CLK                6
    261#define  MIPI_PD_CLK                   5
    262#define  MIPI_CLK_RT_MANUAL_PD_EN      4
    263#define  MIPI_CLK_HS_MANUAL_PD_EN      3
    264#define  MIPI_CLK_DET_DET_BYPASS       2
    265#define  MIPI_CLK_MISS_CTRL            1
    266#define  MIPI_PD_LPTX_CH_MANUAL_PD_EN  0
    267
    268#define  MIPI_LANE_CTRL_0		0x05
    269#define  MIPI_TIME_HS_PRPR		0x08
    270
    271/*
    272 * After MIPI RX protocol layer received video frames,
    273 * Protocol layer starts to reconstruct video stream from PHY
    274 */
    275#define  MIPI_VIDEO_STABLE_CNT           0x0A
    276
    277#define  MIPI_LANE_CTRL_10               0x0F
    278#define  MIPI_DIGITAL_ADJ_1     0x1B
    279#define  IVO_MID0               0x26
    280#define  IVO_MID1               0xCF
    281
    282#define  MIPI_PLL_M_NUM_23_16   0x1E
    283#define  MIPI_PLL_M_NUM_15_8    0x1F
    284#define  MIPI_PLL_M_NUM_7_0     0x20
    285#define  MIPI_PLL_N_NUM_23_16   0x21
    286#define  MIPI_PLL_N_NUM_15_8    0x22
    287#define  MIPI_PLL_N_NUM_7_0     0x23
    288
    289#define  MIPI_DIGITAL_PLL_6     0x2A
    290/* Bit[7:6]: VCO band control, only effective */
    291#define  MIPI_M_NUM_READY        0x10
    292#define  MIPI_N_NUM_READY        0x08
    293#define  STABLE_INTEGER_CNT_EN   0x04
    294#define  MIPI_PLL_TEST_BIT       0
    295/* Bit[1:0]: test point output select - */
    296/* 00: VCO power, 01: dvdd_pdt, 10: dvdd, 11: vcox */
    297
    298#define  MIPI_DIGITAL_PLL_7      0x2B
    299#define  MIPI_PLL_FORCE_N_EN     7
    300#define  MIPI_PLL_FORCE_BAND_EN  6
    301
    302#define  MIPI_PLL_VCO_TUNE_REG   4
    303/* Bit[5:4]: VCO metal capacitance - */
    304/* 00: +20% fast, 01: +10% fast (default), 10: typical, 11: -10% slow */
    305#define  MIPI_PLL_VCO_TUNE_REG_VAL   0x30
    306
    307#define  MIPI_PLL_PLL_LDO_BIT    2
    308/* Bit[3:2]: vco_v2i power - */
    309/* 00: 1.40V, 01: 1.45V (default), 10: 1.50V, 11: 1.55V */
    310#define  MIPI_PLL_RESET_N        0x02
    311#define  MIPI_FRQ_FORCE_NDET     0
    312
    313#define  MIPI_ALERT_CLR_0        0x2D
    314#define  HS_link_error_clear     7
    315/* This bit itself is S/C, and it clears 0x84:0x31[7] */
    316
    317#define  MIPI_ALERT_OUT_0        0x31
    318#define  check_sum_err_hs_sync   7
    319/* This bit is cleared by 0x84:0x2D[7] */
    320
    321#define  MIPI_DIGITAL_PLL_8    0x33
    322#define  MIPI_POST_DIV_VAL     4
    323/* N means divided by (n+1), n = 0~15 */
    324#define  MIPI_EN_LOCK_FRZ      3
    325#define  MIPI_FRQ_COUNTER_RST  2
    326#define  MIPI_FRQ_SET_REG_8    1
    327/* Bit 0 is reserved */
    328
    329#define  MIPI_DIGITAL_PLL_9    0x34
    330
    331#define  MIPI_DIGITAL_PLL_16   0x3B
    332#define  MIPI_FRQ_FREEZE_NDET          7
    333#define  MIPI_FRQ_REG_SET_ENABLE       6
    334#define  MIPI_REG_FORCE_SEL_EN         5
    335#define  MIPI_REG_SEL_DIV_REG          4
    336#define  MIPI_REG_FORCE_PRE_DIV_EN     3
    337/* Bit 2 is reserved */
    338#define  MIPI_FREF_D_IND               1
    339#define  REF_CLK_27000KHZ    1
    340#define  REF_CLK_19200KHZ    0
    341#define  MIPI_REG_PLL_PLL_TEST_ENABLE  0
    342
    343#define  MIPI_DIGITAL_PLL_18  0x3D
    344#define  FRQ_COUNT_RB_SEL       7
    345#define  REG_FORCE_POST_DIV_EN  6
    346#define  MIPI_DPI_SELECT        5
    347#define  SELECT_DSI  1
    348#define  SELECT_DPI  0
    349#define  REG_BAUD_DIV_RATIO     0
    350
    351#define  H_BLANK_L            0x3E
    352/* For DSC only */
    353#define  H_BLANK_H            0x3F
    354/* For DSC only; note: bit[7:6] are reserved */
    355#define  MIPI_SWAP  0x4A
    356#define  MIPI_SWAP_CH0    7
    357#define  MIPI_SWAP_CH1    6
    358#define  MIPI_SWAP_CH2    5
    359#define  MIPI_SWAP_CH3    4
    360#define  MIPI_SWAP_CLK    3
    361/* Bit[2:0] are reserved */
    362
    363/******** END of I2C Address 0x84 *********/
    364
    365/* DPCD regs */
    366#define DPCD_DPCD_REV                  0x00
    367#define DPCD_MAX_LINK_RATE             0x01
    368#define DPCD_MAX_LANE_COUNT            0x02
    369
    370/*********  ANX7625 Register End  **********/
    371
    372/***************** Display *****************/
    373enum audio_fs {
    374	AUDIO_FS_441K  = 0x00,
    375	AUDIO_FS_48K   = 0x02,
    376	AUDIO_FS_32K   = 0x03,
    377	AUDIO_FS_882K  = 0x08,
    378	AUDIO_FS_96K   = 0x0a,
    379	AUDIO_FS_1764K = 0x0c,
    380	AUDIO_FS_192K  = 0x0e
    381};
    382
    383enum audio_wd_len {
    384	AUDIO_W_LEN_16_20MAX = 0x02,
    385	AUDIO_W_LEN_18_20MAX = 0x04,
    386	AUDIO_W_LEN_17_20MAX = 0x0c,
    387	AUDIO_W_LEN_19_20MAX = 0x08,
    388	AUDIO_W_LEN_20_20MAX = 0x0a,
    389	AUDIO_W_LEN_20_24MAX = 0x03,
    390	AUDIO_W_LEN_22_24MAX = 0x05,
    391	AUDIO_W_LEN_21_24MAX = 0x0d,
    392	AUDIO_W_LEN_23_24MAX = 0x09,
    393	AUDIO_W_LEN_24_24MAX = 0x0b
    394};
    395
    396#define I2S_CH_2	0x01
    397#define TDM_CH_4	0x03
    398#define TDM_CH_6	0x05
    399#define TDM_CH_8	0x07
    400
    401#define MAX_DPCD_BUFFER_SIZE	16
    402
    403#define ONE_BLOCK_SIZE      128
    404#define FOUR_BLOCK_SIZE     (128 * 4)
    405
    406#define MAX_EDID_BLOCK	3
    407#define EDID_TRY_CNT	3
    408#define SUPPORT_PIXEL_CLOCK	300000
    409
    410struct s_edid_data {
    411	int edid_block_num;
    412	u8 edid_raw_data[FOUR_BLOCK_SIZE];
    413};
    414
    415/***************** Display End *****************/
    416
    417#define MAX_LANES_SUPPORT	4
    418
    419struct anx7625_platform_data {
    420	struct gpio_desc *gpio_p_on;
    421	struct gpio_desc *gpio_reset;
    422	struct regulator_bulk_data supplies[3];
    423	struct drm_bridge *panel_bridge;
    424	int intp_irq;
    425	int is_dpi;
    426	int mipi_lanes;
    427	int audio_en;
    428	int dp_lane0_swing_reg_cnt;
    429	u8 lane0_reg_data[DP_TX_SWING_REG_CNT];
    430	int dp_lane1_swing_reg_cnt;
    431	u8 lane1_reg_data[DP_TX_SWING_REG_CNT];
    432	u32 low_power_mode;
    433	struct device_node *mipi_host_node;
    434};
    435
    436struct anx7625_i2c_client {
    437	struct i2c_client *tx_p0_client;
    438	struct i2c_client *tx_p1_client;
    439	struct i2c_client *tx_p2_client;
    440	struct i2c_client *rx_p0_client;
    441	struct i2c_client *rx_p1_client;
    442	struct i2c_client *rx_p2_client;
    443	struct i2c_client *tcpc_client;
    444};
    445
    446struct anx7625_data {
    447	struct anx7625_platform_data pdata;
    448	struct platform_device *audio_pdev;
    449	int hpd_status;
    450	int hpd_high_cnt;
    451	int dp_en;
    452	int hdcp_cp;
    453	/* Lock for work queue */
    454	struct mutex lock;
    455	struct i2c_client *client;
    456	struct anx7625_i2c_client i2c;
    457	struct i2c_client *last_client;
    458	struct timer_list hdcp_timer;
    459	struct s_edid_data slimport_edid_p;
    460	struct device *codec_dev;
    461	hdmi_codec_plugged_cb plugged_cb;
    462	struct work_struct work;
    463	struct workqueue_struct *workqueue;
    464	struct delayed_work hdcp_work;
    465	struct workqueue_struct *hdcp_workqueue;
    466	/* Lock for hdcp work queue */
    467	struct mutex hdcp_wq_lock;
    468	char edid_block;
    469	struct display_timing dt;
    470	u8 display_timing_valid;
    471	struct drm_bridge bridge;
    472	u8 bridge_attached;
    473	struct drm_connector *connector;
    474	struct mipi_dsi_device *dsi;
    475	struct drm_dp_aux aux;
    476};
    477
    478#endif  /* __ANX7625_H__ */