cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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cdn-dp-core.h (2250B)

      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/display/drm_dp_helper.h>
     11#include <drm/drm_panel.h>
     12#include <drm/drm_probe_helper.h>
     13#include <sound/hdmi-codec.h>
     14
     15#include "rockchip_drm_drv.h"
     16
     17#define MAX_PHY		2
     18
     19enum audio_format {
     20	AFMT_I2S = 0,
     21	AFMT_SPDIF = 1,
     22	AFMT_UNUSED,
     23};
     24
     25struct audio_info {
     26	enum audio_format format;
     27	int sample_rate;
     28	int channels;
     29	int sample_width;
     30};
     31
     32enum vic_pxl_encoding_format {
     33	PXL_RGB = 0x1,
     34	YCBCR_4_4_4 = 0x2,
     35	YCBCR_4_2_2 = 0x4,
     36	YCBCR_4_2_0 = 0x8,
     37	Y_ONLY = 0x10,
     38};
     39
     40struct video_info {
     41	bool h_sync_polarity;
     42	bool v_sync_polarity;
     43	bool interlaced;
     44	int color_depth;
     45	enum vic_pxl_encoding_format color_fmt;
     46};
     47
     48struct cdn_firmware_header {
     49	u32 size_bytes; /* size of the entire header+image(s) in bytes */
     50	u32 header_size; /* size of just the header in bytes */
     51	u32 iram_size; /* size of iram */
     52	u32 dram_size; /* size of dram */
     53};
     54
     55struct cdn_dp_port {
     56	struct cdn_dp_device *dp;
     57	struct notifier_block event_nb;
     58	struct extcon_dev *extcon;
     59	struct phy *phy;
     60	u8 lanes;
     61	bool phy_enabled;
     62	u8 id;
     63};
     64
     65struct cdn_dp_device {
     66	struct device *dev;
     67	struct drm_device *drm_dev;
     68	struct drm_connector connector;
     69	struct rockchip_encoder encoder;
     70	struct drm_display_mode mode;
     71	struct platform_device *audio_pdev;
     72	struct work_struct event_work;
     73	struct edid *edid;
     74
     75	struct mutex lock;
     76	bool connected;
     77	bool active;
     78	bool suspended;
     79
     80	const struct firmware *fw;	/* cdn dp firmware */
     81	unsigned int fw_version;	/* cdn fw version */
     82	bool fw_loaded;
     83
     84	void __iomem *regs;
     85	struct regmap *grf;
     86	struct clk *core_clk;
     87	struct clk *pclk;
     88	struct clk *spdif_clk;
     89	struct clk *grf_clk;
     90	struct reset_control *spdif_rst;
     91	struct reset_control *dptx_rst;
     92	struct reset_control *apb_rst;
     93	struct reset_control *core_rst;
     94	struct audio_info audio_info;
     95	struct video_info video_info;
     96	struct cdn_dp_port *port[MAX_PHY];
     97	u8 ports;
     98	u8 max_lanes;
     99	unsigned int max_rate;
    100	u8 lanes;
    101	int active_port;
    102
    103	u8 dpcd[DP_RECEIVER_CAP_SIZE];
    104	bool sink_has_audio;
    105
    106	hdmi_codec_plugged_cb plugged_cb;
    107	struct device *codec_dev;
    108};
    109#endif  /* _CDN_DP_CORE_H */