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/*
* Copyright (C) 2016 Chris Zhong <zyw@rock-chips.com>
* Copyright (C) 2016 ROCKCHIP, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _CDN_DP_CORE_H
#define _CDN_DP_CORE_H
#include <drm/drmP.h>
#include <drm/drm_crtc_helper.h>
#include <drm/drm_dp_helper.h>
#include <drm/drm_panel.h>
#include "rockchip_drm_drv.h"
#define MAX_PHY 2
enum audio_format {
AFMT_I2S = 0,
AFMT_SPDIF = 1,
AFMT_UNUSED,
};
struct audio_info {
enum audio_format format;
int sample_rate;
int channels;
int sample_width;
};
enum vic_pxl_encoding_format {
PXL_RGB = 0x1,
YCBCR_4_4_4 = 0x2,
YCBCR_4_2_2 = 0x4,
YCBCR_4_2_0 = 0x8,
Y_ONLY = 0x10,
};
struct video_info {
bool h_sync_polarity;
bool v_sync_polarity;
bool interlaced;
int color_depth;
enum vic_pxl_encoding_format color_fmt;
};
struct cdn_firmware_header {
u32 size_bytes; /* size of the entire header+image(s) in bytes */
u32 header_size; /* size of just the header in bytes */
u32 iram_size; /* size of iram */
u32 dram_size; /* size of dram */
};
struct cdn_dp_port {
struct cdn_dp_device *dp;
struct notifier_block event_nb;
struct extcon_dev *extcon;
struct phy *phy;
u8 lanes;
bool phy_enabled;
u8 id;
};
struct cdn_dp_device {
struct device *dev;
struct drm_device *drm_dev;
struct drm_connector connector;
struct drm_encoder encoder;
struct drm_display_mode mode;
struct platform_device *audio_pdev;
struct work_struct event_work;
struct edid *edid;
struct mutex lock;
bool connected;
bool active;
bool suspended;
const struct firmware *fw; /* cdn dp firmware */
unsigned int fw_version; /* cdn fw version */
bool fw_loaded;
void __iomem *regs;
struct regmap *grf;
struct clk *core_clk;
struct clk *pclk;
struct clk *spdif_clk;
struct clk *grf_clk;
struct reset_control *spdif_rst;
struct reset_control *dptx_rst;
struct reset_control *apb_rst;
struct reset_control *core_rst;
struct audio_info audio_info;
struct video_info video_info;
struct drm_dp_link link;
struct cdn_dp_port *port[MAX_PHY];
u8 ports;
u8 lanes;
int active_port;
u8 dpcd[DP_RECEIVER_CAP_SIZE];
bool sink_has_audio;
};
#endif /* _CDN_DP_CORE_H */
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