1/*
  2 * Copyright (C) 2016 Chris Zhong <zyw@rock-chips.com>
  3 * Copyright (C) 2016 ROCKCHIP, Inc.
  4 *
  5 * This program is free software; you can redistribute it and/or modify
  6 * it under the terms of the GNU General Public License as published by
  7 * the Free Software Foundation; either version 2 of the License.
  8 *
  9 * This program is distributed in the hope that it will be useful,
 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12 * GNU General Public License for more details.
 13 */
 14
 15#ifndef _CDN_DP_CORE_H
 16#define _CDN_DP_CORE_H
 17
 18#include <drm/drmP.h>
 19#include <drm/drm_crtc_helper.h>
 20#include <drm/drm_dp_helper.h>
 21#include <drm/drm_panel.h>
 22#include "rockchip_drm_drv.h"
 23
 24#define MAX_PHY		2
 25
 26enum audio_format {
 27	AFMT_I2S = 0,
 28	AFMT_SPDIF = 1,
 29	AFMT_UNUSED,
 30};
 31
 32struct audio_info {
 33	enum audio_format format;
 34	int sample_rate;
 35	int channels;
 36	int sample_width;
 37};
 38
 39enum vic_pxl_encoding_format {
 40	PXL_RGB = 0x1,
 41	YCBCR_4_4_4 = 0x2,
 42	YCBCR_4_2_2 = 0x4,
 43	YCBCR_4_2_0 = 0x8,
 44	Y_ONLY = 0x10,
 45};
 46
 47struct video_info {
 48	bool h_sync_polarity;
 49	bool v_sync_polarity;
 50	bool interlaced;
 51	int color_depth;
 52	enum vic_pxl_encoding_format color_fmt;
 53};
 54
 55struct cdn_firmware_header {
 56	u32 size_bytes; /* size of the entire header+image(s) in bytes */
 57	u32 header_size; /* size of just the header in bytes */
 58	u32 iram_size; /* size of iram */
 59	u32 dram_size; /* size of dram */
 60};
 61
 62struct cdn_dp_port {
 63	struct cdn_dp_device *dp;
 64	struct notifier_block event_nb;
 65	struct extcon_dev *extcon;
 66	struct phy *phy;
 67	u8 lanes;
 68	bool phy_enabled;
 69	u8 id;
 70};
 71
 72struct cdn_dp_device {
 73	struct device *dev;
 74	struct drm_device *drm_dev;
 75	struct drm_connector connector;
 76	struct drm_encoder encoder;
 77	struct drm_display_mode mode;
 78	struct platform_device *audio_pdev;
 79	struct work_struct event_work;
 80	struct edid *edid;
 81
 82	struct mutex lock;
 83	bool connected;
 84	bool active;
 85	bool suspended;
 86
 87	const struct firmware *fw;	/* cdn dp firmware */
 88	unsigned int fw_version;	/* cdn fw version */
 89	bool fw_loaded;
 90
 91	void __iomem *regs;
 92	struct regmap *grf;
 93	struct clk *core_clk;
 94	struct clk *pclk;
 95	struct clk *spdif_clk;
 96	struct clk *grf_clk;
 97	struct reset_control *spdif_rst;
 98	struct reset_control *dptx_rst;
 99	struct reset_control *apb_rst;
100	struct reset_control *core_rst;
101	struct audio_info audio_info;
102	struct video_info video_info;
103	struct drm_dp_link link;
104	struct cdn_dp_port *port[MAX_PHY];
105	u8 ports;
106	u8 lanes;
107	int active_port;
108
109	u8 dpcd[DP_RECEIVER_CAP_SIZE];
110	bool sink_has_audio;
111};
112#endif  /* _CDN_DP_CORE_H */