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
 18enum audio_format {
 19	AFMT_I2S = 0,
 20	AFMT_SPDIF = 1,
 21	AFMT_UNUSED,
 22};
 23
 24struct audio_info {
 25	enum audio_format format;
 26	int sample_rate;
 27	int channels;
 28	int sample_width;
 29};
 30
 31enum 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
 39struct 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
 47struct 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
 54struct 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
 64struct 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 */