6fd903102c
There are multiple variants of DW HDMI PHYs in Allwinner SoCs. While some things like clock and reset setup are the same, PHY configuration differs a lot. Split out code which is PHY specific to separate functions and create a structure which holds pointers to those functions. Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180301213442.16677-11-jernej.skrabec@siol.net
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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/*
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* Copyright (C) 2018 Jernej Skrabec <jernej.skrabec@siol.net>
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*/
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#ifndef _SUN8I_DW_HDMI_H_
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#define _SUN8I_DW_HDMI_H_
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#include <drm/bridge/dw_hdmi.h>
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#include <drm/drm_encoder.h>
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#include <linux/clk.h>
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#include <linux/regmap.h>
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#include <linux/reset.h>
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struct sun8i_hdmi_phy;
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struct sun8i_hdmi_phy_variant {
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void (*phy_init)(struct sun8i_hdmi_phy *phy);
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void (*phy_disable)(struct dw_hdmi *hdmi,
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struct sun8i_hdmi_phy *phy);
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int (*phy_config)(struct dw_hdmi *hdmi,
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struct sun8i_hdmi_phy *phy,
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unsigned int clk_rate);
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};
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struct sun8i_hdmi_phy {
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struct clk *clk_bus;
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struct clk *clk_mod;
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struct regmap *regs;
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struct reset_control *rst_phy;
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struct sun8i_hdmi_phy_variant *variant;
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};
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struct sun8i_dw_hdmi {
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struct clk *clk_tmds;
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struct device *dev;
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struct dw_hdmi *hdmi;
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struct drm_encoder encoder;
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struct sun8i_hdmi_phy *phy;
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struct dw_hdmi_plat_data plat_data;
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struct reset_control *rst_ctrl;
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};
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static inline struct sun8i_dw_hdmi *
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encoder_to_sun8i_dw_hdmi(struct drm_encoder *encoder)
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{
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return container_of(encoder, struct sun8i_dw_hdmi, encoder);
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}
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int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node);
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void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi);
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void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy);
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const struct dw_hdmi_phy_ops *sun8i_hdmi_phy_get_ops(void);
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#endif /* _SUN8I_DW_HDMI_H_ */
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