/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2011 Freescale Semiconductor, Inc. */ #ifndef __DW_HDMI__ #define __DW_HDMI__ #include <sound/hdmi-codec.h> struct drm_display_info; struct drm_display_mode; struct drm_encoder; struct dw_hdmi; struct platform_device; /** * DOC: Supported input formats and encodings * * Depending on the Hardware configuration of the Controller IP, it supports * a subset of the following input formats and encodings on its internal * 48bit bus. * * +----------------------+----------------------------------+------------------------------+ * | Format Name | Format Code | Encodings | * +----------------------+----------------------------------+------------------------------+ * | RGB 4:4:4 8bit | ``MEDIA_BUS_FMT_RGB888_1X24`` | ``V4L2_YCBCR_ENC_DEFAULT`` | * +----------------------+----------------------------------+------------------------------+ * | RGB 4:4:4 10bits | ``MEDIA_BUS_FMT_RGB101010_1X30`` | ``V4L2_YCBCR_ENC_DEFAULT`` | * +----------------------+----------------------------------+------------------------------+ * | RGB 4:4:4 12bits | ``MEDIA_BUS_FMT_RGB121212_1X36`` | ``V4L2_YCBCR_ENC_DEFAULT`` | * +----------------------+----------------------------------+------------------------------+ * | RGB 4:4:4 16bits | ``MEDIA_BUS_FMT_RGB161616_1X48`` | ``V4L2_YCBCR_ENC_DEFAULT`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:4:4 8bit | ``MEDIA_BUS_FMT_YUV8_1X24`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * | | | or ``V4L2_YCBCR_ENC_XV601`` | * | | | or ``V4L2_YCBCR_ENC_XV709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:4:4 10bits | ``MEDIA_BUS_FMT_YUV10_1X30`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * | | | or ``V4L2_YCBCR_ENC_XV601`` | * | | | or ``V4L2_YCBCR_ENC_XV709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:4:4 12bits | ``MEDIA_BUS_FMT_YUV12_1X36`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * | | | or ``V4L2_YCBCR_ENC_XV601`` | * | | | or ``V4L2_YCBCR_ENC_XV709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:4:4 16bits | ``MEDIA_BUS_FMT_YUV16_1X48`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * | | | or ``V4L2_YCBCR_ENC_XV601`` | * | | | or ``V4L2_YCBCR_ENC_XV709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:2 8bit | ``MEDIA_BUS_FMT_UYVY8_1X16`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:2 10bits | ``MEDIA_BUS_FMT_UYVY10_1X20`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:2 12bits | ``MEDIA_BUS_FMT_UYVY12_1X24`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:0 8bit | ``MEDIA_BUS_FMT_UYYVYY8_0_5X24`` | ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:0 10bits | ``MEDIA_BUS_FMT_UYYVYY10_0_5X30``| ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:0 12bits | ``MEDIA_BUS_FMT_UYYVYY12_0_5X36``| ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ * | YCbCr 4:2:0 16bits | ``MEDIA_BUS_FMT_UYYVYY16_0_5X48``| ``V4L2_YCBCR_ENC_601`` | * | | | or ``V4L2_YCBCR_ENC_709`` | * +----------------------+----------------------------------+------------------------------+ */ enum { DW_HDMI_RES_8, DW_HDMI_RES_10, DW_HDMI_RES_12, DW_HDMI_RES_MAX, }; enum dw_hdmi_phy_type { DW_HDMI_PHY_DWC_HDMI_TX_PHY = 0x00, DW_HDMI_PHY_DWC_MHL_PHY_HEAC = 0xb2, DW_HDMI_PHY_DWC_MHL_PHY = 0xc2, DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY_HEAC = 0xe2, DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY = 0xf2, DW_HDMI_PHY_DWC_HDMI20_TX_PHY = 0xf3, DW_HDMI_PHY_VENDOR_PHY = 0xfe, }; struct dw_hdmi_mpll_config { unsigned long mpixelclock; struct { u16 cpce; u16 gmp; } res[DW_HDMI_RES_MAX]; }; struct dw_hdmi_curr_ctrl { unsigned long mpixelclock; u16 curr[DW_HDMI_RES_MAX]; }; struct dw_hdmi_phy_config { unsigned long mpixelclock; u16 sym_ctr; /*clock symbol and transmitter control*/ u16 term; /*transmission termination value*/ u16 vlev_ctr; /* voltage level control */ }; struct dw_hdmi_phy_ops { int (*init)(struct dw_hdmi *hdmi, void *data, const struct drm_display_info *display, const struct drm_display_mode *mode); void (*disable)(struct dw_hdmi *hdmi, void *data); enum drm_connector_status (*read_hpd)(struct dw_hdmi *hdmi, void *data); void (*update_hpd)(struct dw_hdmi *hdmi, void *data, bool force, bool disabled, bool rxsense); void (*setup_hpd)(struct dw_hdmi *hdmi, void *data); }; struct dw_hdmi_plat_data { struct regmap *regm; unsigned int output_port; unsigned long input_bus_encoding; bool use_drm_infoframe; bool ycbcr_420_allowed; /* * Private data passed to all the .mode_valid() and .configure_phy() * callback functions. */ void *priv_data; /* Platform-specific mode validation (optional). */ enum drm_mode_status (*mode_valid)(struct dw_hdmi *hdmi, void *data, const struct drm_display_info *info, const struct drm_display_mode *mode); /* Platform-specific audio enable/disable (optional) */ void (*enable_audio)(struct dw_hdmi *hdmi, int channel, int width, int rate, int non_pcm); void (*disable_audio)(struct dw_hdmi *hdmi); /* Vendor PHY support */ const struct dw_hdmi_phy_ops *phy_ops; const char *phy_name; void *phy_data; unsigned int phy_force_vendor; /* Synopsys PHY support */ const struct dw_hdmi_mpll_config *mpll_cfg; const struct dw_hdmi_curr_ctrl *cur_ctr; const struct dw_hdmi_phy_config *phy_config; int (*configure_phy)(struct dw_hdmi *hdmi, void *data, unsigned long mpixelclock); unsigned int disable_cec : 1; }; struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, const struct dw_hdmi_plat_data *plat_data); void dw_hdmi_remove(struct dw_hdmi *hdmi); void dw_hdmi_unbind(struct dw_hdmi *hdmi); struct dw_hdmi *dw_hdmi_bind(struct platform_device *pdev, struct drm_encoder *encoder, const struct dw_hdmi_plat_data *plat_data); void dw_hdmi_resume(struct dw_hdmi *hdmi); void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense); int dw_hdmi_set_plugged_cb(struct dw_hdmi *hdmi, hdmi_codec_plugged_cb fn, struct device *codec_dev); void dw_hdmi_set_sample_non_pcm(struct dw_hdmi *hdmi, unsigned int non_pcm); void dw_hdmi_set_sample_width(struct dw_hdmi *hdmi, unsigned int width); void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate); void dw_hdmi_set_channel_count(struct dw_hdmi *hdmi, unsigned int cnt); void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi, u8 *channel_status); void dw_hdmi_set_channel_allocation(struct dw_hdmi *hdmi, unsigned int ca); void dw_hdmi_audio_enable(struct dw_hdmi *hdmi); void dw_hdmi_audio_disable(struct dw_hdmi *hdmi); void dw_hdmi_set_high_tmds_clock_ratio(struct dw_hdmi *hdmi, const struct drm_display_info *display); /* PHY configuration */ void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address); void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, unsigned char addr); void dw_hdmi_phy_gen1_reset(struct dw_hdmi *hdmi); void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable); void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable); void dw_hdmi_phy_gen2_reset(struct dw_hdmi *hdmi); enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, void *data); void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, bool force, bool disabled, bool rxsense); void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data); bool dw_hdmi_bus_fmt_is_420(struct dw_hdmi *hdmi); #endif /* __IMX_HDMI_H__ */