1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2011 Freescale Semiconductor, Inc. 4 */ 5 6 #ifndef __DW_HDMI__ 7 #define __DW_HDMI__ 8 9 #include <sound/hdmi-codec.h> 10 11 struct drm_display_info; 12 struct drm_display_mode; 13 struct drm_encoder; 14 struct dw_hdmi; 15 struct platform_device; 16 17 /** 18 * DOC: Supported input formats and encodings 19 * 20 * Depending on the Hardware configuration of the Controller IP, it supports 21 * a subset of the following input formats and encodings on its internal 22 * 48bit bus. 23 * 24 * +----------------------+----------------------------------+------------------------------+ 25 * | Format Name | Format Code | Encodings | 26 * +----------------------+----------------------------------+------------------------------+ 27 * | RGB 4:4:4 8bit | ``MEDIA_BUS_FMT_RGB888_1X24`` | ``V4L2_YCBCR_ENC_DEFAULT`` | 28 * +----------------------+----------------------------------+------------------------------+ 29 * | RGB 4:4:4 10bits | ``MEDIA_BUS_FMT_RGB101010_1X30`` | ``V4L2_YCBCR_ENC_DEFAULT`` | 30 * +----------------------+----------------------------------+------------------------------+ 31 * | RGB 4:4:4 12bits | ``MEDIA_BUS_FMT_RGB121212_1X36`` | ``V4L2_YCBCR_ENC_DEFAULT`` | 32 * +----------------------+----------------------------------+------------------------------+ 33 * | RGB 4:4:4 16bits | ``MEDIA_BUS_FMT_RGB161616_1X48`` | ``V4L2_YCBCR_ENC_DEFAULT`` | 34 * +----------------------+----------------------------------+------------------------------+ 35 * | YCbCr 4:4:4 8bit | ``MEDIA_BUS_FMT_YUV8_1X24`` | ``V4L2_YCBCR_ENC_601`` | 36 * | | | or ``V4L2_YCBCR_ENC_709`` | 37 * | | | or ``V4L2_YCBCR_ENC_XV601`` | 38 * | | | or ``V4L2_YCBCR_ENC_XV709`` | 39 * +----------------------+----------------------------------+------------------------------+ 40 * | YCbCr 4:4:4 10bits | ``MEDIA_BUS_FMT_YUV10_1X30`` | ``V4L2_YCBCR_ENC_601`` | 41 * | | | or ``V4L2_YCBCR_ENC_709`` | 42 * | | | or ``V4L2_YCBCR_ENC_XV601`` | 43 * | | | or ``V4L2_YCBCR_ENC_XV709`` | 44 * +----------------------+----------------------------------+------------------------------+ 45 * | YCbCr 4:4:4 12bits | ``MEDIA_BUS_FMT_YUV12_1X36`` | ``V4L2_YCBCR_ENC_601`` | 46 * | | | or ``V4L2_YCBCR_ENC_709`` | 47 * | | | or ``V4L2_YCBCR_ENC_XV601`` | 48 * | | | or ``V4L2_YCBCR_ENC_XV709`` | 49 * +----------------------+----------------------------------+------------------------------+ 50 * | YCbCr 4:4:4 16bits | ``MEDIA_BUS_FMT_YUV16_1X48`` | ``V4L2_YCBCR_ENC_601`` | 51 * | | | or ``V4L2_YCBCR_ENC_709`` | 52 * | | | or ``V4L2_YCBCR_ENC_XV601`` | 53 * | | | or ``V4L2_YCBCR_ENC_XV709`` | 54 * +----------------------+----------------------------------+------------------------------+ 55 * | YCbCr 4:2:2 8bit | ``MEDIA_BUS_FMT_UYVY8_1X16`` | ``V4L2_YCBCR_ENC_601`` | 56 * | | | or ``V4L2_YCBCR_ENC_709`` | 57 * +----------------------+----------------------------------+------------------------------+ 58 * | YCbCr 4:2:2 10bits | ``MEDIA_BUS_FMT_UYVY10_1X20`` | ``V4L2_YCBCR_ENC_601`` | 59 * | | | or ``V4L2_YCBCR_ENC_709`` | 60 * +----------------------+----------------------------------+------------------------------+ 61 * | YCbCr 4:2:2 12bits | ``MEDIA_BUS_FMT_UYVY12_1X24`` | ``V4L2_YCBCR_ENC_601`` | 62 * | | | or ``V4L2_YCBCR_ENC_709`` | 63 * +----------------------+----------------------------------+------------------------------+ 64 * | YCbCr 4:2:0 8bit | ``MEDIA_BUS_FMT_UYYVYY8_0_5X24`` | ``V4L2_YCBCR_ENC_601`` | 65 * | | | or ``V4L2_YCBCR_ENC_709`` | 66 * +----------------------+----------------------------------+------------------------------+ 67 * | YCbCr 4:2:0 10bits | ``MEDIA_BUS_FMT_UYYVYY10_0_5X30``| ``V4L2_YCBCR_ENC_601`` | 68 * | | | or ``V4L2_YCBCR_ENC_709`` | 69 * +----------------------+----------------------------------+------------------------------+ 70 * | YCbCr 4:2:0 12bits | ``MEDIA_BUS_FMT_UYYVYY12_0_5X36``| ``V4L2_YCBCR_ENC_601`` | 71 * | | | or ``V4L2_YCBCR_ENC_709`` | 72 * +----------------------+----------------------------------+------------------------------+ 73 * | YCbCr 4:2:0 16bits | ``MEDIA_BUS_FMT_UYYVYY16_0_5X48``| ``V4L2_YCBCR_ENC_601`` | 74 * | | | or ``V4L2_YCBCR_ENC_709`` | 75 * +----------------------+----------------------------------+------------------------------+ 76 */ 77 78 enum { 79 DW_HDMI_RES_8, 80 DW_HDMI_RES_10, 81 DW_HDMI_RES_12, 82 DW_HDMI_RES_MAX, 83 }; 84 85 enum dw_hdmi_phy_type { 86 DW_HDMI_PHY_DWC_HDMI_TX_PHY = 0x00, 87 DW_HDMI_PHY_DWC_MHL_PHY_HEAC = 0xb2, 88 DW_HDMI_PHY_DWC_MHL_PHY = 0xc2, 89 DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY_HEAC = 0xe2, 90 DW_HDMI_PHY_DWC_HDMI_3D_TX_PHY = 0xf2, 91 DW_HDMI_PHY_DWC_HDMI20_TX_PHY = 0xf3, 92 DW_HDMI_PHY_VENDOR_PHY = 0xfe, 93 }; 94 95 struct dw_hdmi_mpll_config { 96 unsigned long mpixelclock; 97 struct { 98 u16 cpce; 99 u16 gmp; 100 } res[DW_HDMI_RES_MAX]; 101 }; 102 103 struct dw_hdmi_curr_ctrl { 104 unsigned long mpixelclock; 105 u16 curr[DW_HDMI_RES_MAX]; 106 }; 107 108 struct dw_hdmi_phy_config { 109 unsigned long mpixelclock; 110 u16 sym_ctr; /*clock symbol and transmitter control*/ 111 u16 term; /*transmission termination value*/ 112 u16 vlev_ctr; /* voltage level control */ 113 }; 114 115 struct dw_hdmi_phy_ops { 116 int (*init)(struct dw_hdmi *hdmi, void *data, 117 const struct drm_display_info *display, 118 const struct drm_display_mode *mode); 119 void (*disable)(struct dw_hdmi *hdmi, void *data); 120 enum drm_connector_status (*read_hpd)(struct dw_hdmi *hdmi, void *data); 121 void (*update_hpd)(struct dw_hdmi *hdmi, void *data, 122 bool force, bool disabled, bool rxsense); 123 void (*setup_hpd)(struct dw_hdmi *hdmi, void *data); 124 }; 125 126 struct dw_hdmi_plat_data { 127 struct regmap *regm; 128 129 unsigned long input_bus_encoding; 130 bool use_drm_infoframe; 131 bool ycbcr_420_allowed; 132 133 /* 134 * Private data passed to all the .mode_valid() and .configure_phy() 135 * callback functions. 136 */ 137 void *priv_data; 138 139 /* Platform-specific mode validation (optional). */ 140 enum drm_mode_status (*mode_valid)(struct dw_hdmi *hdmi, void *data, 141 const struct drm_display_info *info, 142 const struct drm_display_mode *mode); 143 144 /* Vendor PHY support */ 145 const struct dw_hdmi_phy_ops *phy_ops; 146 const char *phy_name; 147 void *phy_data; 148 unsigned int phy_force_vendor; 149 150 /* Synopsys PHY support */ 151 const struct dw_hdmi_mpll_config *mpll_cfg; 152 const struct dw_hdmi_curr_ctrl *cur_ctr; 153 const struct dw_hdmi_phy_config *phy_config; 154 int (*configure_phy)(struct dw_hdmi *hdmi, void *data, 155 unsigned long mpixelclock); 156 }; 157 158 struct dw_hdmi *dw_hdmi_probe(struct platform_device *pdev, 159 const struct dw_hdmi_plat_data *plat_data); 160 void dw_hdmi_remove(struct dw_hdmi *hdmi); 161 void dw_hdmi_unbind(struct dw_hdmi *hdmi); 162 struct dw_hdmi *dw_hdmi_bind(struct platform_device *pdev, 163 struct drm_encoder *encoder, 164 const struct dw_hdmi_plat_data *plat_data); 165 166 void dw_hdmi_resume(struct dw_hdmi *hdmi); 167 168 void dw_hdmi_setup_rx_sense(struct dw_hdmi *hdmi, bool hpd, bool rx_sense); 169 170 int dw_hdmi_set_plugged_cb(struct dw_hdmi *hdmi, hdmi_codec_plugged_cb fn, 171 struct device *codec_dev); 172 void dw_hdmi_set_sample_rate(struct dw_hdmi *hdmi, unsigned int rate); 173 void dw_hdmi_set_channel_count(struct dw_hdmi *hdmi, unsigned int cnt); 174 void dw_hdmi_set_channel_status(struct dw_hdmi *hdmi, u8 *channel_status); 175 void dw_hdmi_set_channel_allocation(struct dw_hdmi *hdmi, unsigned int ca); 176 void dw_hdmi_audio_enable(struct dw_hdmi *hdmi); 177 void dw_hdmi_audio_disable(struct dw_hdmi *hdmi); 178 void dw_hdmi_set_high_tmds_clock_ratio(struct dw_hdmi *hdmi, 179 const struct drm_display_info *display); 180 181 /* PHY configuration */ 182 void dw_hdmi_phy_i2c_set_addr(struct dw_hdmi *hdmi, u8 address); 183 void dw_hdmi_phy_i2c_write(struct dw_hdmi *hdmi, unsigned short data, 184 unsigned char addr); 185 186 void dw_hdmi_phy_gen2_pddq(struct dw_hdmi *hdmi, u8 enable); 187 void dw_hdmi_phy_gen2_txpwron(struct dw_hdmi *hdmi, u8 enable); 188 void dw_hdmi_phy_reset(struct dw_hdmi *hdmi); 189 190 enum drm_connector_status dw_hdmi_phy_read_hpd(struct dw_hdmi *hdmi, 191 void *data); 192 void dw_hdmi_phy_update_hpd(struct dw_hdmi *hdmi, void *data, 193 bool force, bool disabled, bool rxsense); 194 void dw_hdmi_phy_setup_hpd(struct dw_hdmi *hdmi, void *data); 195 196 #endif /* __IMX_HDMI_H__ */ 197