drivers/gpu/drm/rockchip/cdn-dp-core.h

   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 cdn_dp_port *port[MAX_PHY];
  96         u8 ports;
  97         u8 max_lanes;
  98         unsigned int max_rate;
  99         u8 lanes;
 100         int active_port;
 101
 102         u8 dpcd[DP_RECEIVER_CAP_SIZE];
 103         bool sink_has_audio;
 104 };
 105 #endif  /* _CDN_DP_CORE_H */