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659178f5d1
For wake on voice use case, we need to copy data from DSP buffer to PCM stream when system wakes up by voice. However the edge triggered IRQ could be missed when system wakes up, in that case the irq function will not be called. Fix that by checking the irq status bit and schedule data copy accordingly. Signed-off-by: Hsin-Yu Chao <hychao@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
40 lines
1 KiB
C
40 lines
1 KiB
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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#define RT5514_IRQ_CTRL 0x18002094
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#define RT5514_IRQ_STATUS_BIT (0x1 << 5)
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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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