forked from Minki/linux
0fc721b296
This patch adds hdmi dirver suppot for both MT2701 and MT7623. And also support other (existing or future) chips that use the same binding and driver. Signed-off-by: chunhui dai <chunhui.dai@mediatek.com> Signed-off-by: CK Hu <ck.hu@mediatek.com>
61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2018 MediaTek Inc.
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* Author: Chunhui Dai <chunhui.dai@mediatek.com>
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*/
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#ifndef _MTK_HDMI_PHY_H
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#define _MTK_HDMI_PHY_H
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#include <linux/clk.h>
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#include <linux/clk-provider.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/mfd/syscon.h>
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#include <linux/module.h>
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#include <linux/of_device.h>
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#include <linux/phy/phy.h>
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#include <linux/platform_device.h>
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#include <linux/types.h>
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struct mtk_hdmi_phy;
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struct mtk_hdmi_phy_conf {
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bool tz_disabled;
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const struct clk_ops *hdmi_phy_clk_ops;
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void (*hdmi_phy_enable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
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void (*hdmi_phy_disable_tmds)(struct mtk_hdmi_phy *hdmi_phy);
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};
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struct mtk_hdmi_phy {
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void __iomem *regs;
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struct device *dev;
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struct mtk_hdmi_phy_conf *conf;
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struct clk *pll;
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struct clk_hw pll_hw;
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unsigned long pll_rate;
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unsigned char drv_imp_clk;
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unsigned char drv_imp_d2;
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unsigned char drv_imp_d1;
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unsigned char drv_imp_d0;
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unsigned int ibias;
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unsigned int ibias_up;
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};
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void mtk_hdmi_phy_clear_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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u32 bits);
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void mtk_hdmi_phy_set_bits(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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u32 bits);
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void mtk_hdmi_phy_mask(struct mtk_hdmi_phy *hdmi_phy, u32 offset,
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u32 val, u32 mask);
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struct mtk_hdmi_phy *to_mtk_hdmi_phy(struct clk_hw *hw);
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long mtk_hdmi_pll_round_rate(struct clk_hw *hw, unsigned long rate,
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unsigned long *parent_rate);
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unsigned long mtk_hdmi_pll_recalc_rate(struct clk_hw *hw,
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unsigned long parent_rate);
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extern struct platform_driver mtk_hdmi_phy_driver;
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extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_8173_conf;
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extern struct mtk_hdmi_phy_conf mtk_hdmi_phy_2701_conf;
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#endif /* _MTK_HDMI_PHY_H */
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