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ASoC: rt5514: Support the DSP recording continuously after the hotwording triggered
[mirror_ubuntu-bionic-kernel.git] / sound / soc / codecs / rt5514-spi.h
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1/*
2 * rt5514-spi.h -- RT5514 driver
3 *
4 * Copyright 2015 Realtek Semiconductor Corp.
5 * Author: Oder Chiou <oder_chiou@realtek.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#ifndef __RT5514_SPI_H__
13#define __RT5514_SPI_H__
14
15/**
16 * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller.
17*/
18#define RT5514_SPI_BUF_LEN 240
19
173f4612 20#define RT5514_BUFFER_VOICE_BASE 0x18000200
21#define RT5514_BUFFER_VOICE_LIMIT 0x18000204
22#define RT5514_BUFFER_VOICE_WP 0x1800020c
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23
24/* SPI Command */
25enum {
26 RT5514_SPI_CMD_16_READ = 0,
27 RT5514_SPI_CMD_16_WRITE,
28 RT5514_SPI_CMD_32_READ,
29 RT5514_SPI_CMD_32_WRITE,
30 RT5514_SPI_CMD_BURST_READ,
31 RT5514_SPI_CMD_BURST_WRITE,
32};
33
34int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
35int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);
36
37#endif /* __RT5514_SPI_H__ */