66 lines
1.9 KiB
C
66 lines
1.9 KiB
C
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/*
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* FPDLink Serializer driver
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*
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* Copyright (C) 2014-2018 NVIDIA CORPORATION. All rights reserved.
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __DRIVERS_VIDEO_TEGRA_DC_HDMI2FPD_H
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#define __DRIVERS_VIDEO_TEGRA_DC_HDMI2FPD_H
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#include <linux/types.h>
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#define DS90UH949_SER_REG_RESET 0x01
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#define DS90UH949_SER_REG_RESET_DIGRESET0 BIT(0)
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#define DS90UH949_SER_REG_RESET_DIGRESET1 BIT(1)
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#ifdef CONFIG_TEGRA_HDMI2FPD
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static inline void *tegra_fpdlink_get_outdata(struct tegra_dc *dc)
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{
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return dc->fpddata;
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}
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static inline void tegra_fpdlink_set_outdata(struct tegra_dc *dc,
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struct tegra_dc_hdmi2fpd_data *data)
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{
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dc->fpddata = data;
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}
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int hdmi2fpd_enable(struct tegra_dc *dc);
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void hdmi2fpd_disable(struct tegra_dc *dc);
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void hdmi2fpd_suspend(struct tegra_dc *dc);
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int hdmi2fpd_resume(struct tegra_dc *dc);
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int hdmi2fpd_init(struct tegra_dc *dc);
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void hdmi2fpd_destroy(struct tegra_dc *dc);
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#else
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#define hdmi2fpd_enable(dc) do { } while (0)
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#define hdmi2fpd_disable(dc) do { } while (0)
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#define hdmi2fpd_suspend(dc) do { } while (0)
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#define hdmi2fpd_resume(dc) do { } while (0)
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#define hdmi2fpd_init(dc) do { } while (0)
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#define hdmi2fpd_destroy(dc) do { } while (0)
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#endif
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struct tegra_dc_hdmi2fpd_data {
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int en_gpio; /* GPIO */
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int en_gpio_flags;
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int out_type;
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int power_on_delay;
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int power_off_delay;
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bool hdmi2fpd_enabled;
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struct tegra_dc *dc;
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struct regmap *regmap;
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struct mutex lock;
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/* TODO: have configuration parameters like HDCP support etc.. */
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};
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#endif /* __DRIVERS_VIDEO_TEGRA_DC_HDMI2FPD_H */
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