// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (C) 2020 BayLibre, SAS * Author: Phong LE <[email protected]> * Copyright (C) 2018-2019, Artem Mygaiev * Copyright (C) 2017, Fresco Logic, Incorporated. * */ #include <linux/media-bus-format.h> #include <linux/module.h> #include <linux/device.h> #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/bitfield.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/of_graph.h> #include <linux/gpio/consumer.h> #include <linux/pinctrl/consumer.h> #include <linux/regulator/consumer.h> #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_edid.h> #include <drm/drm_modes.h> #include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <sound/hdmi-codec.h> #define IT66121_VENDOR_ID0_REG … #define IT66121_VENDOR_ID1_REG … #define IT66121_DEVICE_ID0_REG … #define IT66121_DEVICE_ID1_REG … #define IT66121_REVISION_MASK … #define IT66121_DEVICE_ID1_MASK … #define IT66121_MASTER_SEL_REG … #define IT66121_MASTER_SEL_HOST … #define IT66121_AFE_DRV_REG … #define IT66121_AFE_DRV_RST … #define IT66121_AFE_DRV_PWD … #define IT66121_INPUT_MODE_REG … #define IT66121_INPUT_MODE_RGB … #define IT66121_INPUT_MODE_YUV422 … #define IT66121_INPUT_MODE_YUV444 … #define IT66121_INPUT_MODE_CCIR656 … #define IT66121_INPUT_MODE_SYNCEMB … #define IT66121_INPUT_MODE_DDR … #define IT66121_INPUT_CSC_REG … #define IT66121_INPUT_CSC_ENDITHER … #define IT66121_INPUT_CSC_ENUDFILTER … #define IT66121_INPUT_CSC_DNFREE_GO … #define IT66121_INPUT_CSC_RGB_TO_YUV … #define IT66121_INPUT_CSC_YUV_TO_RGB … #define IT66121_INPUT_CSC_NO_CONV … #define IT66121_AFE_XP_REG … #define IT66121_AFE_XP_GAINBIT … #define IT66121_AFE_XP_PWDPLL … #define IT66121_AFE_XP_ENI … #define IT66121_AFE_XP_ENO … #define IT66121_AFE_XP_RESETB … #define IT66121_AFE_XP_PWDI … #define IT6610_AFE_XP_BYPASS … #define IT66121_AFE_IP_REG … #define IT66121_AFE_IP_GAINBIT … #define IT66121_AFE_IP_PWDPLL … #define IT66121_AFE_IP_CKSEL_05 … #define IT66121_AFE_IP_CKSEL_1 … #define IT66121_AFE_IP_CKSEL_2 … #define IT66121_AFE_IP_CKSEL_2OR4 … #define IT66121_AFE_IP_ER0 … #define IT66121_AFE_IP_RESETB … #define IT66121_AFE_IP_ENC … #define IT66121_AFE_IP_EC1 … #define IT66121_AFE_XP_EC1_REG … #define IT66121_AFE_XP_EC1_LOWCLK … #define IT66121_SW_RST_REG … #define IT66121_SW_RST_REF … #define IT66121_SW_RST_AREF … #define IT66121_SW_RST_VID … #define IT66121_SW_RST_AUD … #define IT66121_SW_RST_HDCP … #define IT66121_DDC_COMMAND_REG … #define IT66121_DDC_COMMAND_BURST_READ … #define IT66121_DDC_COMMAND_EDID_READ … #define IT66121_DDC_COMMAND_FIFO_CLR … #define IT66121_DDC_COMMAND_SCL_PULSE … #define IT66121_DDC_COMMAND_ABORT … #define IT66121_HDCP_REG … #define IT66121_HDCP_CPDESIRED … #define IT66121_HDCP_EN1P1FEAT … #define IT66121_INT_STATUS1_REG … #define IT66121_INT_STATUS1_AUD_OVF … #define IT66121_INT_STATUS1_DDC_NOACK … #define IT66121_INT_STATUS1_DDC_FIFOERR … #define IT66121_INT_STATUS1_DDC_BUSHANG … #define IT66121_INT_STATUS1_RX_SENS_STATUS … #define IT66121_INT_STATUS1_HPD_STATUS … #define IT66121_DDC_HEADER_REG … #define IT66121_DDC_HEADER_HDCP … #define IT66121_DDC_HEADER_EDID … #define IT66121_DDC_OFFSET_REG … #define IT66121_DDC_BYTE_REG … #define IT66121_DDC_SEGMENT_REG … #define IT66121_DDC_RD_FIFO_REG … #define IT66121_CLK_BANK_REG … #define IT66121_CLK_BANK_PWROFF_RCLK … #define IT66121_CLK_BANK_PWROFF_ACLK … #define IT66121_CLK_BANK_PWROFF_TXCLK … #define IT66121_CLK_BANK_PWROFF_CRCLK … #define IT66121_CLK_BANK_0 … #define IT66121_CLK_BANK_1 … #define IT66121_INT_REG … #define IT66121_INT_ACTIVE_HIGH … #define IT66121_INT_OPEN_DRAIN … #define IT66121_INT_TX_CLK_OFF … #define IT66121_INT_MASK1_REG … #define IT66121_INT_MASK1_AUD_OVF … #define IT66121_INT_MASK1_DDC_NOACK … #define IT66121_INT_MASK1_DDC_FIFOERR … #define IT66121_INT_MASK1_DDC_BUSHANG … #define IT66121_INT_MASK1_RX_SENS … #define IT66121_INT_MASK1_HPD … #define IT66121_INT_CLR1_REG … #define IT66121_INT_CLR1_PKTACP … #define IT66121_INT_CLR1_PKTNULL … #define IT66121_INT_CLR1_PKTGEN … #define IT66121_INT_CLR1_KSVLISTCHK … #define IT66121_INT_CLR1_AUTHDONE … #define IT66121_INT_CLR1_AUTHFAIL … #define IT66121_INT_CLR1_RX_SENS … #define IT66121_INT_CLR1_HPD … #define IT66121_AV_MUTE_REG … #define IT66121_AV_MUTE_ON … #define IT66121_AV_MUTE_BLUESCR … #define IT66121_PKT_CTS_CTRL_REG … #define IT66121_PKT_CTS_CTRL_SEL … #define IT66121_PKT_GEN_CTRL_REG … #define IT66121_PKT_GEN_CTRL_ON … #define IT66121_PKT_GEN_CTRL_RPT … #define IT66121_AVIINFO_DB1_REG … #define IT66121_AVIINFO_DB2_REG … #define IT66121_AVIINFO_DB3_REG … #define IT66121_AVIINFO_DB4_REG … #define IT66121_AVIINFO_DB5_REG … #define IT66121_AVIINFO_CSUM_REG … #define IT66121_AVIINFO_DB6_REG … #define IT66121_AVIINFO_DB7_REG … #define IT66121_AVIINFO_DB8_REG … #define IT66121_AVIINFO_DB9_REG … #define IT66121_AVIINFO_DB10_REG … #define IT66121_AVIINFO_DB11_REG … #define IT66121_AVIINFO_DB12_REG … #define IT66121_AVIINFO_DB13_REG … #define IT66121_AVI_INFO_PKT_REG … #define IT66121_AVI_INFO_PKT_ON … #define IT66121_AVI_INFO_PKT_RPT … #define IT66121_HDMI_MODE_REG … #define IT66121_HDMI_MODE_HDMI … #define IT66121_SYS_STATUS_REG … #define IT66121_SYS_STATUS_ACTIVE_IRQ … #define IT66121_SYS_STATUS_HPDETECT … #define IT66121_SYS_STATUS_SENDECTECT … #define IT66121_SYS_STATUS_VID_STABLE … #define IT66121_SYS_STATUS_AUD_CTS_CLR … #define IT66121_SYS_STATUS_CLEAR_IRQ … #define IT66121_DDC_STATUS_REG … #define IT66121_DDC_STATUS_TX_DONE … #define IT66121_DDC_STATUS_ACTIVE … #define IT66121_DDC_STATUS_NOACK … #define IT66121_DDC_STATUS_WAIT_BUS … #define IT66121_DDC_STATUS_ARBI_LOSE … #define IT66121_DDC_STATUS_FIFO_FULL … #define IT66121_DDC_STATUS_FIFO_EMPTY … #define IT66121_DDC_STATUS_FIFO_VALID … #define IT66121_EDID_SLEEP_US … #define IT66121_EDID_TIMEOUT_US … #define IT66121_EDID_FIFO_SIZE … #define IT66121_CLK_CTRL0_REG … #define IT66121_CLK_CTRL0_AUTO_OVER_SAMPLING … #define IT66121_CLK_CTRL0_EXT_MCLK_MASK … #define IT66121_CLK_CTRL0_EXT_MCLK_128FS … #define IT66121_CLK_CTRL0_EXT_MCLK_256FS … #define IT66121_CLK_CTRL0_EXT_MCLK_512FS … #define IT66121_CLK_CTRL0_EXT_MCLK_1024FS … #define IT66121_CLK_CTRL0_AUTO_IPCLK … #define IT66121_CLK_STATUS1_REG … #define IT66121_CLK_STATUS2_REG … #define IT66121_AUD_CTRL0_REG … #define IT66121_AUD_SWL … #define IT66121_AUD_16BIT … #define IT66121_AUD_18BIT … #define IT66121_AUD_20BIT … #define IT66121_AUD_24BIT … #define IT66121_AUD_SPDIFTC … #define IT66121_AUD_SPDIF … #define IT66121_AUD_I2S … #define IT66121_AUD_EN_I2S3 … #define IT66121_AUD_EN_I2S2 … #define IT66121_AUD_EN_I2S1 … #define IT66121_AUD_EN_I2S0 … #define IT66121_AUD_CTRL0_AUD_SEL … #define IT66121_AUD_CTRL1_REG … #define IT66121_AUD_FIFOMAP_REG … #define IT66121_AUD_CTRL3_REG … #define IT66121_AUD_SRCVALID_FLAT_REG … #define IT66121_AUD_FLAT_SRC0 … #define IT66121_AUD_FLAT_SRC1 … #define IT66121_AUD_FLAT_SRC2 … #define IT66121_AUD_FLAT_SRC3 … #define IT66121_AUD_HDAUDIO_REG … #define IT66121_AUD_PKT_CTS0_REG … #define IT66121_AUD_PKT_CTS1_REG … #define IT66121_AUD_PKT_CTS2_REG … #define IT66121_AUD_PKT_N0_REG … #define IT66121_AUD_PKT_N1_REG … #define IT66121_AUD_PKT_N2_REG … #define IT66121_AUD_CHST_MODE_REG … #define IT66121_AUD_CHST_CAT_REG … #define IT66121_AUD_CHST_SRCNUM_REG … #define IT66121_AUD_CHST_CHTNUM_REG … #define IT66121_AUD_CHST_CA_FS_REG … #define IT66121_AUD_CHST_OFS_WL_REG … #define IT66121_AUD_PKT_CTS_CNT0_REG … #define IT66121_AUD_PKT_CTS_CNT1_REG … #define IT66121_AUD_PKT_CTS_CNT2_REG … #define IT66121_AUD_FS_22P05K … #define IT66121_AUD_FS_44P1K … #define IT66121_AUD_FS_88P2K … #define IT66121_AUD_FS_176P4K … #define IT66121_AUD_FS_24K … #define IT66121_AUD_FS_48K … #define IT66121_AUD_FS_96K … #define IT66121_AUD_FS_192K … #define IT66121_AUD_FS_768K … #define IT66121_AUD_FS_32K … #define IT66121_AUD_FS_OTHER … #define IT66121_AUD_SWL_21BIT … #define IT66121_AUD_SWL_24BIT … #define IT66121_AUD_SWL_23BIT … #define IT66121_AUD_SWL_22BIT … #define IT66121_AUD_SWL_20BIT … #define IT66121_AUD_SWL_17BIT … #define IT66121_AUD_SWL_19BIT … #define IT66121_AUD_SWL_18BIT … #define IT66121_AUD_SWL_16BIT … #define IT66121_AUD_SWL_NOT_INDICATED … #define IT66121_AFE_CLK_HIGH … enum chip_id { … }; struct it66121_chip_info { … }; struct it66121_ctx { … }; static const struct regmap_range_cfg it66121_regmap_banks[] = …; static const struct regmap_config it66121_regmap_config = …; static void it66121_hw_reset(struct it66121_ctx *ctx) { … } static inline int it66121_preamble_ddc(struct it66121_ctx *ctx) { … } static inline int it66121_fire_afe(struct it66121_ctx *ctx) { … } /* TOFIX: Handle YCbCr Input & Output */ static int it66121_configure_input(struct it66121_ctx *ctx) { … } /** * it66121_configure_afe() - Configure the analog front end * @ctx: it66121_ctx object * @mode: mode to configure * * RETURNS: * zero if success, a negative error code otherwise. */ static int it66121_configure_afe(struct it66121_ctx *ctx, const struct drm_display_mode *mode) { … } static inline int it66121_wait_ddc_ready(struct it66121_ctx *ctx) { … } static int it66121_abort_ddc_ops(struct it66121_ctx *ctx) { … } static int it66121_get_edid_block(void *context, u8 *buf, unsigned int block, size_t len) { … } static bool it66121_is_hpd_detect(struct it66121_ctx *ctx) { … } static int it66121_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { … } static int it66121_set_mute(struct it66121_ctx *ctx, bool mute) { … } #define MAX_OUTPUT_SEL_FORMATS … static u32 *it66121_bridge_atomic_get_output_bus_fmts(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state, unsigned int *num_output_fmts) { … } #define MAX_INPUT_SEL_FORMATS … static u32 *it66121_bridge_atomic_get_input_bus_fmts(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state, u32 output_fmt, unsigned int *num_input_fmts) { … } static void it66121_bridge_enable(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state) { … } static void it66121_bridge_disable(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state) { … } static int it66121_bridge_check(struct drm_bridge *bridge, struct drm_bridge_state *bridge_state, struct drm_crtc_state *crtc_state, struct drm_connector_state *conn_state) { … } static void it66121_bridge_mode_set(struct drm_bridge *bridge, const struct drm_display_mode *mode, const struct drm_display_mode *adjusted_mode) { … } static enum drm_mode_status it66121_bridge_mode_valid(struct drm_bridge *bridge, const struct drm_display_info *info, const struct drm_display_mode *mode) { … } static enum drm_connector_status it66121_bridge_detect(struct drm_bridge *bridge) { … } static void it66121_bridge_hpd_enable(struct drm_bridge *bridge) { … } static void it66121_bridge_hpd_disable(struct drm_bridge *bridge) { … } static const struct drm_edid *it66121_bridge_edid_read(struct drm_bridge *bridge, struct drm_connector *connector) { … } static const struct drm_bridge_funcs it66121_bridge_funcs = …; static irqreturn_t it66121_irq_threaded_handler(int irq, void *dev_id) { … } static int it661221_set_chstat(struct it66121_ctx *ctx, u8 iec60958_chstat[]) { … } static int it661221_set_lpcm_audio(struct it66121_ctx *ctx, u8 audio_src_num, u8 audio_swl) { … } static int it661221_set_ncts(struct it66121_ctx *ctx, u8 fs) { … } static int it661221_audio_output_enable(struct it66121_ctx *ctx, bool enable) { … } static int it661221_audio_ch_enable(struct it66121_ctx *ctx, bool enable) { … } static int it66121_audio_hw_params(struct device *dev, void *data, struct hdmi_codec_daifmt *daifmt, struct hdmi_codec_params *params) { … } static int it66121_audio_startup(struct device *dev, void *data) { … } static void it66121_audio_shutdown(struct device *dev, void *data) { … } static int it66121_audio_mute(struct device *dev, void *data, bool enable, int direction) { … } static int it66121_audio_get_eld(struct device *dev, void *data, u8 *buf, size_t len) { … } static const struct hdmi_codec_ops it66121_audio_codec_ops = …; static int it66121_audio_codec_init(struct it66121_ctx *ctx, struct device *dev) { … } static const char * const it66121_supplies[] = …; static int it66121_probe(struct i2c_client *client) { … } static void it66121_remove(struct i2c_client *client) { … } static const struct it66121_chip_info it66121_chip_info = …; static const struct it66121_chip_info it6610_chip_info = …; static const struct of_device_id it66121_dt_match[] = …; MODULE_DEVICE_TABLE(of, it66121_dt_match); static const struct i2c_device_id it66121_id[] = …; MODULE_DEVICE_TABLE(i2c, it66121_id); static struct i2c_driver it66121_driver = …; module_i2c_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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