/* * 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 #include #include #include #include #include #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 /* Hardware defined default addresses for I2C register maps */ #define ADV7511_CEC_I2C_ADDR_DEFAULT 0x3c #define ADV7511_EDID_I2C_ADDR_DEFAULT 0x3f #define ADV7511_PACKET_I2C_ADDR_DEFAULT 0x38 #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) #define ADV7511_REG_CEC_TX_FRAME_HDR 0x00 #define ADV7511_REG_CEC_TX_FRAME_DATA0 0x01 #define ADV7511_REG_CEC_TX_FRAME_LEN 0x10 #define ADV7511_REG_CEC_TX_ENABLE 0x11 #define ADV7511_REG_CEC_TX_RETRY 0x12 #define ADV7511_REG_CEC_TX_LOW_DRV_CNT 0x14 #define ADV7511_REG_CEC_RX_FRAME_HDR 0x15 #define ADV7511_REG_CEC_RX_FRAME_DATA0 0x16 #define ADV7511_REG_CEC_RX_FRAME_LEN 0x25 #define ADV7511_REG_CEC_RX_ENABLE 0x26 #define ADV7511_REG_CEC_RX_BUFFERS 0x4a #define ADV7511_REG_CEC_LOG_ADDR_MASK 0x4b #define ADV7511_REG_CEC_LOG_ADDR_0_1 0x4c #define ADV7511_REG_CEC_LOG_ADDR_2 0x4d #define ADV7511_REG_CEC_CLK_DIV 0x4e #define ADV7511_REG_CEC_SOFT_RESET 0x50 #define ADV7533_REG_CEC_OFFSET 0x70 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, }; #define ADV7511_MAX_ADDRS 3 struct adv7511 { struct i2c_client *i2c_main; struct i2c_client *i2c_edid; struct i2c_client *i2c_packet; 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 f_audio; unsigned int audio_source; unsigned int current_edid_segment; uint8_t edid_buf[256]; bool edid_read; wait_queue_head_t wq; struct work_struct hpd_work; 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 gpio_desc *gpio_pd; struct regulator_bulk_data *supplies; unsigned int num_supplies; /* 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; struct platform_device *audio_pdev; struct cec_adapter *cec_adap; u8 cec_addr[ADV7511_MAX_ADDRS]; u8 cec_valid_addrs; bool cec_enabled_adap; struct clk *cec_clk; u32 cec_clk_freq; }; #ifdef CONFIG_DRM_I2C_ADV7511_CEC int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511); void adv7511_cec_irq_process(struct adv7511 *adv7511, unsigned int irq1); #else static inline int adv7511_cec_init(struct device *dev, struct adv7511 *adv7511) { unsigned int offset = adv7511->type == ADV7533 ? ADV7533_REG_CEC_OFFSET : 0; regmap_write(adv7511->regmap, ADV7511_REG_CEC_CTRL + offset, ADV7511_CEC_CTRL_POWER_DOWN); return 0; } #endif #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, const struct drm_display_mode *mode); int adv7533_patch_registers(struct adv7511 *adv); int adv7533_patch_cec_registers(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, const struct drm_display_mode *mode) { } static inline int adv7533_patch_registers(struct adv7511 *adv) { return -ENODEV; } static inline int adv7533_patch_cec_registers(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 #ifdef CONFIG_DRM_I2C_ADV7511_AUDIO int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511); void adv7511_audio_exit(struct adv7511 *adv7511); #else /*CONFIG_DRM_I2C_ADV7511_AUDIO */ static inline int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) { return 0; } static inline void adv7511_audio_exit(struct adv7511 *adv7511) { } #endif /* CONFIG_DRM_I2C_ADV7511_AUDIO */ #endif /* __DRM_I2C_ADV7511_H__ */