41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
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/*
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* Copyright (C) 2018 MediaTek Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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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 _H_HIFI4DSP_SPI_H_
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#define _H_HIFI4DSP_SPI_H_
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#include <linux/types.h>
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/* HIFI4DSP SPI xfer speed */
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#define SPI_LOAD_IMAGE_SPEED (52*1000*1000)
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#define SPI_SPEED_LOW (13*1000*1000)
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#define SPI_SPEED_HIGH (52*1000*1000)
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/*
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* Public function API for audio system
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*/
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extern int dsp_spi_write(u32 addr, void *value, int len, u32 speed);
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extern int dsp_spi_write_ex(u32 addr, void *value, int len, u32 speed);
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extern int dsp_spi_read(u32 addr, void *value, int len, u32 speed);
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extern int dsp_spi_read_ex(u32 addr, void *value, int len, u32 speed);
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extern int spi_read_register(u32 addr, u32 *val, u32 speed);
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extern int spi_write_register(u32 addr, u32 val, u32 speed);
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extern int spi_set_register32(u32 addr, u32 val, u32 speed);
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extern int spi_clr_register32(u32 addr, u32 val, u32 speed);
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extern int spi_write_register_mask(u32 addr, u32 val, u32 msk, u32 speed);
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extern int hifi4dsp_spi_get_status(void);
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#endif /*_H_HIFI4DSP_SPI_H_*/
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