| /* |
| * Analog Devices ADV7511 HDMI transmitter driver |
| * |
| * Copyright 2012 Analog Devices Inc. |
| * |
| * Licensed under the GPL-2. |
| */ |
| |
| #ifndef __DRM_I2C_ADV7511_H__ |
| #define __DRM_I2C_ADV7511_H__ |
| |
| #include <linux/hdmi.h> |
| #include <linux/i2c.h> |
| #include <linux/regmap.h> |
| |
| #include <drm/drm_crtc_helper.h> |
| #include <drm/drm_mipi_dsi.h> |
| |
| #define ADV7511_REG_CHIP_REVISION 0x00 |
| #define ADV7511_REG_N0 0x01 |
| #define ADV7511_REG_N1 0x02 |
| #define ADV7511_REG_N2 0x03 |
| #define ADV7511_REG_SPDIF_FREQ 0x04 |
| #define ADV7511_REG_CTS_AUTOMATIC1 0x05 |
| #define ADV7511_REG_CTS_AUTOMATIC2 0x06 |
| #define ADV7511_REG_CTS_MANUAL0 0x07 |
| #define ADV7511_REG_CTS_MANUAL1 0x08 |
| #define ADV7511_REG_CTS_MANUAL2 0x09 |
| #define ADV7511_REG_AUDIO_SOURCE 0x0a |
| #define ADV7511_REG_AUDIO_CONFIG 0x0b |
| #define ADV7511_REG_I2S_CONFIG 0x0c |
| #define ADV7511_REG_I2S_WIDTH 0x0d |
| #define ADV7511_REG_AUDIO_SUB_SRC0 0x0e |
| #define ADV7511_REG_AUDIO_SUB_SRC1 0x0f |
| #define ADV7511_REG_AUDIO_SUB_SRC2 0x10 |
| #define ADV7511_REG_AUDIO_SUB_SRC3 0x11 |
| #define ADV7511_REG_AUDIO_CFG1 0x12 |
| #define ADV7511_REG_AUDIO_CFG2 0x13 |
| #define ADV7511_REG_AUDIO_CFG3 0x14 |
| #define ADV7511_REG_I2C_FREQ_ID_CFG 0x15 |
| #define ADV7511_REG_VIDEO_INPUT_CFG1 0x16 |
| #define ADV7511_REG_CSC_UPPER(x) (0x18 + (x) * 2) |
| #define ADV7511_REG_CSC_LOWER(x) (0x19 + (x) * 2) |
| #define ADV7511_REG_SYNC_DECODER(x) (0x30 + (x)) |
| #define ADV7511_REG_DE_GENERATOR (0x35 + (x)) |
| #define ADV7511_REG_PIXEL_REPETITION 0x3b |
| #define ADV7511_REG_VIC_MANUAL 0x3c |
| #define ADV7511_REG_VIC_SEND 0x3d |
| #define ADV7511_REG_VIC_DETECTED 0x3e |
| #define ADV7511_REG_AUX_VIC_DETECTED 0x3f |
| #define ADV7511_REG_PACKET_ENABLE0 0x40 |
| #define ADV7511_REG_POWER 0x41 |
| #define ADV7511_REG_STATUS 0x42 |
| #define ADV7511_REG_EDID_I2C_ADDR 0x43 |
| #define ADV7511_REG_PACKET_ENABLE1 0x44 |
| #define ADV7511_REG_PACKET_I2C_ADDR 0x45 |
| #define ADV7511_REG_DSD_ENABLE 0x46 |
| #define ADV7511_REG_VIDEO_INPUT_CFG2 0x48 |
| #define ADV7511_REG_INFOFRAME_UPDATE 0x4a |
| #define ADV7511_REG_GC(x) (0x4b + (x)) /* 0x4b - 0x51 */ |
| #define ADV7511_REG_AVI_INFOFRAME_VERSION 0x52 |
| #define ADV7511_REG_AVI_INFOFRAME_LENGTH 0x53 |
| #define ADV7511_REG_AVI_INFOFRAME_CHECKSUM 0x54 |
| #define ADV7511_REG_AVI_INFOFRAME(x) (0x55 + (x)) /* 0x55 - 0x6f */ |
| #define ADV7511_REG_AUDIO_INFOFRAME_VERSION 0x70 |
| #define ADV7511_REG_AUDIO_INFOFRAME_LENGTH 0x71 |
| #define ADV7511_REG_AUDIO_INFOFRAME_CHECKSUM 0x72 |
| #define ADV7511_REG_AUDIO_INFOFRAME(x) (0x73 + (x)) /* 0x73 - 0x7c */ |
| #define ADV7511_REG_INT_ENABLE(x) (0x94 + (x)) |
| #define ADV7511_REG_INT(x) (0x96 + (x)) |
| #define ADV7511_REG_INPUT_CLK_DIV 0x9d |
| #define ADV7511_REG_PLL_STATUS 0x9e |
| #define ADV7511_REG_HDMI_POWER 0xa1 |
| #define ADV7511_REG_HDCP_HDMI_CFG 0xaf |
| #define ADV7511_REG_AN(x) (0xb0 + (x)) /* 0xb0 - 0xb7 */ |
| #define ADV7511_REG_HDCP_STATUS 0xb8 |
| #define ADV7511_REG_BCAPS 0xbe |
| #define ADV7511_REG_BKSV(x) (0xc0 + (x)) /* 0xc0 - 0xc3 */ |
| #define ADV7511_REG_EDID_SEGMENT 0xc4 |
| #define ADV7511_REG_DDC_STATUS 0xc8 |
| #define ADV7511_REG_EDID_READ_CTRL 0xc9 |
| #define ADV7511_REG_BSTATUS(x) (0xca + (x)) /* 0xca - 0xcb */ |
| #define ADV7511_REG_TIMING_GEN_SEQ 0xd0 |
| #define ADV7511_REG_POWER2 0xd6 |
| #define ADV7511_REG_HSYNC_PLACEMENT_MSB 0xfa |
| |
| #define ADV7511_REG_SYNC_ADJUSTMENT(x) (0xd7 + (x)) /* 0xd7 - 0xdc */ |
| #define ADV7511_REG_TMDS_CLOCK_INV 0xde |
| #define ADV7511_REG_ARC_CTRL 0xdf |
| #define ADV7511_REG_CEC_I2C_ADDR 0xe1 |
| #define ADV7511_REG_CEC_CTRL 0xe2 |
| #define ADV7511_REG_CHIP_ID_HIGH 0xf5 |
| #define ADV7511_REG_CHIP_ID_LOW 0xf6 |
| |
| #define ADV7511_CSC_ENABLE BIT(7) |
| #define ADV7511_CSC_UPDATE_MODE BIT(5) |
| |
| #define ADV7511_INT0_HPD BIT(7) |
| #define ADV7511_INT0_VSYNC BIT(5) |
| #define ADV7511_INT0_AUDIO_FIFO_FULL BIT(4) |
| #define ADV7511_INT0_EDID_READY BIT(2) |
| #define ADV7511_INT0_HDCP_AUTHENTICATED BIT(1) |
| |
| #define ADV7511_INT1_DDC_ERROR BIT(7) |
| #define ADV7511_INT1_BKSV BIT(6) |
| #define ADV7511_INT1_CEC_TX_READY BIT(5) |
| #define ADV7511_INT1_CEC_TX_ARBIT_LOST BIT(4) |
| #define ADV7511_INT1_CEC_TX_RETRY_TIMEOUT BIT(3) |
| #define ADV7511_INT1_CEC_RX_READY3 BIT(2) |
| #define ADV7511_INT1_CEC_RX_READY2 BIT(1) |
| #define ADV7511_INT1_CEC_RX_READY1 BIT(0) |
| |
| #define ADV7511_ARC_CTRL_POWER_DOWN BIT(0) |
| |
| #define ADV7511_CEC_CTRL_POWER_DOWN BIT(0) |
| |
| #define ADV7511_POWER_POWER_DOWN BIT(6) |
| |
| #define ADV7511_HDMI_CFG_MODE_MASK 0x2 |
| #define ADV7511_HDMI_CFG_MODE_DVI 0x0 |
| #define ADV7511_HDMI_CFG_MODE_HDMI 0x2 |
| |
| #define ADV7511_AUDIO_SELECT_I2C 0x0 |
| #define ADV7511_AUDIO_SELECT_SPDIF 0x1 |
| #define ADV7511_AUDIO_SELECT_DSD 0x2 |
| #define ADV7511_AUDIO_SELECT_HBR 0x3 |
| #define ADV7511_AUDIO_SELECT_DST 0x4 |
| |
| #define ADV7511_I2S_SAMPLE_LEN_16 0x2 |
| #define ADV7511_I2S_SAMPLE_LEN_20 0x3 |
| #define ADV7511_I2S_SAMPLE_LEN_18 0x4 |
| #define ADV7511_I2S_SAMPLE_LEN_22 0x5 |
| #define ADV7511_I2S_SAMPLE_LEN_19 0x8 |
| #define ADV7511_I2S_SAMPLE_LEN_23 0x9 |
| #define ADV7511_I2S_SAMPLE_LEN_24 0xb |
| #define ADV7511_I2S_SAMPLE_LEN_17 0xc |
| #define ADV7511_I2S_SAMPLE_LEN_21 0xd |
| |
| #define ADV7511_SAMPLE_FREQ_44100 0x0 |
| #define ADV7511_SAMPLE_FREQ_48000 0x2 |
| #define ADV7511_SAMPLE_FREQ_32000 0x3 |
| #define ADV7511_SAMPLE_FREQ_88200 0x8 |
| #define ADV7511_SAMPLE_FREQ_96000 0xa |
| #define ADV7511_SAMPLE_FREQ_176400 0xc |
| #define ADV7511_SAMPLE_FREQ_192000 0xe |
| |
| #define ADV7511_STATUS_POWER_DOWN_POLARITY BIT(7) |
| #define ADV7511_STATUS_HPD BIT(6) |
| #define ADV7511_STATUS_MONITOR_SENSE BIT(5) |
| #define ADV7511_STATUS_I2S_32BIT_MODE BIT(3) |
| |
| #define ADV7511_PACKET_ENABLE_N_CTS BIT(8+6) |
| #define ADV7511_PACKET_ENABLE_AUDIO_SAMPLE BIT(8+5) |
| #define ADV7511_PACKET_ENABLE_AVI_INFOFRAME BIT(8+4) |
| #define ADV7511_PACKET_ENABLE_AUDIO_INFOFRAME BIT(8+3) |
| #define ADV7511_PACKET_ENABLE_GC BIT(7) |
| #define ADV7511_PACKET_ENABLE_SPD BIT(6) |
| #define ADV7511_PACKET_ENABLE_MPEG BIT(5) |
| #define ADV7511_PACKET_ENABLE_ACP BIT(4) |
| #define ADV7511_PACKET_ENABLE_ISRC BIT(3) |
| #define ADV7511_PACKET_ENABLE_GM BIT(2) |
| #define ADV7511_PACKET_ENABLE_SPARE2 BIT(1) |
| #define ADV7511_PACKET_ENABLE_SPARE1 BIT(0) |
| |
| #define ADV7511_REG_POWER2_HPD_SRC_MASK 0xc0 |
| #define ADV7511_REG_POWER2_HPD_SRC_BOTH 0x00 |
| #define ADV7511_REG_POWER2_HPD_SRC_HPD 0x40 |
| #define ADV7511_REG_POWER2_HPD_SRC_CEC 0x80 |
| #define ADV7511_REG_POWER2_HPD_SRC_NONE 0xc0 |
| #define ADV7511_REG_POWER2_TDMS_ENABLE BIT(4) |
| #define ADV7511_REG_POWER2_GATE_INPUT_CLK BIT(0) |
| |
| #define ADV7511_LOW_REFRESH_RATE_NONE 0x0 |
| #define ADV7511_LOW_REFRESH_RATE_24HZ 0x1 |
| #define ADV7511_LOW_REFRESH_RATE_25HZ 0x2 |
| #define ADV7511_LOW_REFRESH_RATE_30HZ 0x3 |
| |
| #define ADV7511_AUDIO_CFG3_LEN_MASK 0x0f |
| #define ADV7511_I2C_FREQ_ID_CFG_RATE_MASK 0xf0 |
| |
| #define ADV7511_AUDIO_SOURCE_I2S 0 |
| #define ADV7511_AUDIO_SOURCE_SPDIF 1 |
| |
| #define ADV7511_I2S_FORMAT_I2S 0 |
| #define ADV7511_I2S_FORMAT_RIGHT_J 1 |
| #define ADV7511_I2S_FORMAT_LEFT_J 2 |
| |
| #define ADV7511_PACKET(p, x) ((p) * 0x20 + (x)) |
| #define ADV7511_PACKET_SDP(x) ADV7511_PACKET(0, x) |
| #define ADV7511_PACKET_MPEG(x) ADV7511_PACKET(1, x) |
| #define ADV7511_PACKET_ACP(x) ADV7511_PACKET(2, x) |
| #define ADV7511_PACKET_ISRC1(x) ADV7511_PACKET(3, x) |
| #define ADV7511_PACKET_ISRC2(x) ADV7511_PACKET(4, x) |
| #define ADV7511_PACKET_GM(x) ADV7511_PACKET(5, x) |
| #define ADV7511_PACKET_SPARE(x) ADV7511_PACKET(6, x) |
| |
| enum adv7511_input_clock { |
| ADV7511_INPUT_CLOCK_1X, |
| ADV7511_INPUT_CLOCK_2X, |
| ADV7511_INPUT_CLOCK_DDR, |
| }; |
| |
| enum adv7511_input_justification { |
| ADV7511_INPUT_JUSTIFICATION_EVENLY = 0, |
| ADV7511_INPUT_JUSTIFICATION_RIGHT = 1, |
| ADV7511_INPUT_JUSTIFICATION_LEFT = 2, |
| }; |
| |
| enum adv7511_input_sync_pulse { |
| ADV7511_INPUT_SYNC_PULSE_DE = 0, |
| ADV7511_INPUT_SYNC_PULSE_HSYNC = 1, |
| ADV7511_INPUT_SYNC_PULSE_VSYNC = 2, |
| ADV7511_INPUT_SYNC_PULSE_NONE = 3, |
| }; |
| |
| /** |
| * enum adv7511_sync_polarity - Polarity for the input sync signals |
| * @ADV7511_SYNC_POLARITY_PASSTHROUGH: Sync polarity matches that of |
| * the currently configured mode. |
| * @ADV7511_SYNC_POLARITY_LOW: Sync polarity is low |
| * @ADV7511_SYNC_POLARITY_HIGH: Sync polarity is high |
| * |
| * If the polarity is set to either LOW or HIGH the driver will configure the |
| * ADV7511 to internally invert the sync signal if required to match the sync |
| * polarity setting for the currently selected output mode. |
| * |
| * If the polarity is set to PASSTHROUGH, the ADV7511 will route the signal |
| * unchanged. This is used when the upstream graphics core already generates |
| * the sync signals with the correct polarity. |
| */ |
| enum adv7511_sync_polarity { |
| ADV7511_SYNC_POLARITY_PASSTHROUGH, |
| ADV7511_SYNC_POLARITY_LOW, |
| ADV7511_SYNC_POLARITY_HIGH, |
| }; |
| |
| /** |
| * struct adv7511_link_config - Describes adv7511 hardware configuration |
| * @input_color_depth: Number of bits per color component (8, 10 or 12) |
| * @input_colorspace: The input colorspace (RGB, YUV444, YUV422) |
| * @input_clock: The input video clock style (1x, 2x, DDR) |
| * @input_style: The input component arrangement variant |
| * @input_justification: Video input format bit justification |
| * @clock_delay: Clock delay for the input clock (in ps) |
| * @embedded_sync: Video input uses BT.656-style embedded sync |
| * @sync_pulse: Select the sync pulse |
| * @vsync_polarity: vsync input signal configuration |
| * @hsync_polarity: hsync input signal configuration |
| */ |
| struct adv7511_link_config { |
| unsigned int input_color_depth; |
| enum hdmi_colorspace input_colorspace; |
| enum adv7511_input_clock input_clock; |
| unsigned int input_style; |
| enum adv7511_input_justification input_justification; |
| |
| int clock_delay; |
| |
| bool embedded_sync; |
| enum adv7511_input_sync_pulse sync_pulse; |
| enum adv7511_sync_polarity vsync_polarity; |
| enum adv7511_sync_polarity hsync_polarity; |
| }; |
| |
| /** |
| * enum adv7511_csc_scaling - Scaling factor for the ADV7511 CSC |
| * @ADV7511_CSC_SCALING_1: CSC results are not scaled |
| * @ADV7511_CSC_SCALING_2: CSC results are scaled by a factor of two |
| * @ADV7511_CSC_SCALING_4: CSC results are scalled by a factor of four |
| */ |
| enum adv7511_csc_scaling { |
| ADV7511_CSC_SCALING_1 = 0, |
| ADV7511_CSC_SCALING_2 = 1, |
| ADV7511_CSC_SCALING_4 = 2, |
| }; |
| |
| /** |
| * struct adv7511_video_config - Describes adv7511 hardware configuration |
| * @csc_enable: Whether to enable color space conversion |
| * @csc_scaling_factor: Color space conversion scaling factor |
| * @csc_coefficents: Color space conversion coefficents |
| * @hdmi_mode: Whether to use HDMI or DVI output mode |
| * @avi_infoframe: HDMI infoframe |
| */ |
| struct adv7511_video_config { |
| bool csc_enable; |
| enum adv7511_csc_scaling csc_scaling_factor; |
| const uint16_t *csc_coefficents; |
| |
| bool hdmi_mode; |
| struct hdmi_avi_infoframe avi_infoframe; |
| }; |
| |
| enum adv7511_type { |
| ADV7511, |
| ADV7533, |
| }; |
| |
| struct adv7511 { |
| struct i2c_client *i2c_main; |
| struct i2c_client *i2c_edid; |
| struct i2c_client *i2c_cec; |
| |
| struct regmap *regmap; |
| struct regmap *regmap_cec; |
| enum drm_connector_status status; |
| bool powered; |
| |
| struct drm_display_mode curr_mode; |
| |
| unsigned int f_tmds; |
| |
| unsigned int current_edid_segment; |
| uint8_t edid_buf[256]; |
| bool edid_read; |
| |
| wait_queue_head_t wq; |
| struct drm_bridge bridge; |
| struct drm_connector connector; |
| |
| bool embedded_sync; |
| enum adv7511_sync_polarity vsync_polarity; |
| enum adv7511_sync_polarity hsync_polarity; |
| bool rgb; |
| |
| struct edid *edid; |
| |
| struct gpio_desc *gpio_pd; |
| |
| /* ADV7533 DSI RX related params */ |
| struct device_node *host_node; |
| struct mipi_dsi_device *dsi; |
| u8 num_dsi_lanes; |
| bool use_timing_gen; |
| |
| enum adv7511_type type; |
| }; |
| |
| #ifdef CONFIG_DRM_I2C_ADV7533 |
| void adv7533_dsi_power_on(struct adv7511 *adv); |
| void adv7533_dsi_power_off(struct adv7511 *adv); |
| void adv7533_mode_set(struct adv7511 *adv, struct drm_display_mode *mode); |
| int adv7533_patch_registers(struct adv7511 *adv); |
| void adv7533_uninit_cec(struct adv7511 *adv); |
| int adv7533_init_cec(struct adv7511 *adv); |
| int adv7533_attach_dsi(struct adv7511 *adv); |
| void adv7533_detach_dsi(struct adv7511 *adv); |
| int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv); |
| #else |
| static inline void adv7533_dsi_power_on(struct adv7511 *adv) |
| { |
| } |
| |
| static inline void adv7533_dsi_power_off(struct adv7511 *adv) |
| { |
| } |
| |
| static inline void adv7533_mode_set(struct adv7511 *adv, |
| struct drm_display_mode *mode) |
| { |
| } |
| |
| static inline int adv7533_patch_registers(struct adv7511 *adv) |
| { |
| return -ENODEV; |
| } |
| |
| static inline void adv7533_uninit_cec(struct adv7511 *adv) |
| { |
| } |
| |
| static inline int adv7533_init_cec(struct adv7511 *adv) |
| { |
| return -ENODEV; |
| } |
| |
| static inline int adv7533_attach_dsi(struct adv7511 *adv) |
| { |
| return -ENODEV; |
| } |
| |
| static inline void adv7533_detach_dsi(struct adv7511 *adv) |
| { |
| } |
| |
| static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) |
| { |
| return -ENODEV; |
| } |
| #endif |
| |
| #endif /* __DRM_I2C_ADV7511_H__ */ |