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173f461269
The patch uses the IRQ to copy the PCM data to userspace continuously after the hotwording triggered from DSP. Signed-off-by: Oder Chiou <oder_chiou@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org>
38 lines
979 B
C
38 lines
979 B
C
/*
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* rt5514-spi.h -- RT5514 driver
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*
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* Copyright 2015 Realtek Semiconductor Corp.
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* Author: Oder Chiou <oder_chiou@realtek.com>
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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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#ifndef __RT5514_SPI_H__
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#define __RT5514_SPI_H__
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/**
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* RT5514_SPI_BUF_LEN is the buffer size of SPI master controller.
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*/
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#define RT5514_SPI_BUF_LEN 240
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#define RT5514_BUFFER_VOICE_BASE 0x18000200
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#define RT5514_BUFFER_VOICE_LIMIT 0x18000204
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#define RT5514_BUFFER_VOICE_WP 0x1800020c
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/* SPI Command */
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enum {
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RT5514_SPI_CMD_16_READ = 0,
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RT5514_SPI_CMD_16_WRITE,
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RT5514_SPI_CMD_32_READ,
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RT5514_SPI_CMD_32_WRITE,
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RT5514_SPI_CMD_BURST_READ,
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RT5514_SPI_CMD_BURST_WRITE,
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};
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int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
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int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);
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#endif /* __RT5514_SPI_H__ */
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