1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2016 Chris Zhong <zyw@rock-chips.com> 4 * Copyright (C) 2016 ROCKCHIP, Inc. 5 */ 6 7 #ifndef _CDN_DP_CORE_H 8 #define _CDN_DP_CORE_H 9 10 #include <drm/drm_dp_helper.h> 11 #include <drm/drm_panel.h> 12 #include <drm/drm_probe_helper.h> 13 14 #include "rockchip_drm_drv.h" 15 16 #define MAX_PHY 2 17 18 enum audio_format { 19 AFMT_I2S = 0, 20 AFMT_SPDIF = 1, 21 AFMT_UNUSED, 22 }; 23 24 struct audio_info { 25 enum audio_format format; 26 int sample_rate; 27 int channels; 28 int sample_width; 29 }; 30 31 enum vic_pxl_encoding_format { 32 PXL_RGB = 0x1, 33 YCBCR_4_4_4 = 0x2, 34 YCBCR_4_2_2 = 0x4, 35 YCBCR_4_2_0 = 0x8, 36 Y_ONLY = 0x10, 37 }; 38 39 struct video_info { 40 bool h_sync_polarity; 41 bool v_sync_polarity; 42 bool interlaced; 43 int color_depth; 44 enum vic_pxl_encoding_format color_fmt; 45 }; 46 47 struct cdn_firmware_header { 48 u32 size_bytes; /* size of the entire header+image(s) in bytes */ 49 u32 header_size; /* size of just the header in bytes */ 50 u32 iram_size; /* size of iram */ 51 u32 dram_size; /* size of dram */ 52 }; 53 54 struct cdn_dp_port { 55 struct cdn_dp_device *dp; 56 struct notifier_block event_nb; 57 struct extcon_dev *extcon; 58 struct phy *phy; 59 u8 lanes; 60 bool phy_enabled; 61 u8 id; 62 }; 63 64 struct cdn_dp_device { 65 struct device *dev; 66 struct drm_device *drm_dev; 67 struct drm_connector connector; 68 struct drm_encoder encoder; 69 struct drm_display_mode mode; 70 struct platform_device *audio_pdev; 71 struct work_struct event_work; 72 struct edid *edid; 73 74 struct mutex lock; 75 bool connected; 76 bool active; 77 bool suspended; 78 79 const struct firmware *fw; /* cdn dp firmware */ 80 unsigned int fw_version; /* cdn fw version */ 81 bool fw_loaded; 82 83 void __iomem *regs; 84 struct regmap *grf; 85 struct clk *core_clk; 86 struct clk *pclk; 87 struct clk *spdif_clk; 88 struct clk *grf_clk; 89 struct reset_control *spdif_rst; 90 struct reset_control *dptx_rst; 91 struct reset_control *apb_rst; 92 struct reset_control *core_rst; 93 struct audio_info audio_info; 94 struct video_info video_info; 95 struct drm_dp_link link; 96 struct cdn_dp_port *port[MAX_PHY]; 97 u8 ports; 98 u8 lanes; 99 int active_port; 100 101 u8 dpcd[DP_RECEIVER_CAP_SIZE]; 102 bool sink_has_audio; 103 }; 104 #endif /* _CDN_DP_CORE_H */ 105