61 lines
1.7 KiB
C
61 lines
1.7 KiB
C
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/*
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* hda_dc.h: hd audio dc driver.
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*
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* Copyright (c) 2015-2018, NVIDIA CORPORATION, All rights reserved.
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* Author: Animesh Kishore <ankishore@nvidia.com>
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* Author: Rahul Mittal <rmittal@nvidia.com>
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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_HDA_DC_H__
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#define __DRIVERS_VIDEO_TEGRA_DC_HDA_DC_H__
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enum tegra_dc_hda_state {
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HDA_UNINITIALIZED = 0,
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HDA_INITIALIZED,
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HDA_ENABLED = 3,
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};
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struct tegra_dc_hda_data {
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int dev_id;
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struct tegra_dc_sor_data *sor;
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struct tegra_dc *dc;
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struct tegra_edid_hdmi_eld *eld;
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int sink;
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bool null_sample_inject;
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bool *eld_valid;
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bool *enabled;
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u32 audio_freq;
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struct clk *pll_p_clk;
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struct clk *hda_clk;
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struct clk *hda2codec_clk;
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struct clk *hda2hdmi_clk;
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struct clk *maud_clk;
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void *client_data;
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char *audio_switch_name;
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};
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struct tegra_hda_inst {
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enum tegra_dc_hda_state hda_state; /* hda state */
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struct tegra_dc_hda_data *hda;
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struct mutex hda_inst_lock;
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};
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void tegra_hda_enable(void *hda_handle);
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void tegra_hda_disable(void *hda_handle);
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int tegra_hda_get_switch_name(int dev_id, char *name);
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int tegra_hdmi_setup_hda_presence(int sor_num);
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int tegra_hda_get_dev_id(struct tegra_dc_sor_data *sor);
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void tegra_hda_init(struct tegra_dc *dc, void *data);
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void tegra_hda_destroy(void *hda_handle);
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#endif
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