cdeb593d01
Some usecases need soundwire bus clock frequency to run at lower clock rate for better power and performance. Update soundwire bus clock frequency based on usecase. Change-Id: I2e786d9f5d5d2ec3841daa934802eeafa79a8f6c Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>
49 lines
1.1 KiB
C
49 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2015, 2017-2020 The Linux Foundation. All rights reserved.
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*/
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#ifndef _LINUX_SWR_WCD_H
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#define _LINUX_SWR_WCD_H
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#include <linux/module.h>
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#include <linux/platform_device.h>
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#include <linux/device.h>
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#include <linux/bitops.h>
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enum {
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SWR_CH_MAP,
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SWR_DEVICE_DOWN,
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SWR_DEVICE_UP,
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SWR_SUBSYS_RESTART,
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SWR_SET_NUM_RX_CH,
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SWR_CLK_FREQ,
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SWR_DEVICE_SSR_DOWN,
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SWR_DEVICE_SSR_UP,
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SWR_REGISTER_WAKE_IRQ,
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SWR_SET_PORT_MAP,
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SWR_REQ_CLK_SWITCH,
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SWR_REGISTER_WAKEUP,
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SWR_DEREGISTER_WAKEUP,
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};
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struct swr_mstr_port {
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int num_port;
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u8 *port;
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};
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#define MCLK_FREQ 9600000
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#define MCLK_FREQ_LP 600000
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#define MCLK_FREQ_NATIVE 11289600
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#if (IS_ENABLED(CONFIG_SOUNDWIRE_WCD_CTRL) || \
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IS_ENABLED(CONFIG_SOUNDWIRE_MSTR_CTRL))
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extern int swrm_wcd_notify(struct platform_device *pdev, u32 id, void *data);
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#else /* CONFIG_SOUNDWIRE_WCD_CTRL */
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static inline int swrm_wcd_notify(struct platform_device *pdev, u32 id,
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void *data)
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{
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return 0;
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}
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#endif /* CONFIG_SOUNDWIRE_WCD_CTRL */
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#endif /* _LINUX_SWR_WCD_H */
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