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v0.8.1
https://github.com/torvalds/linux
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Tip revision: 830b3c68c1fb1e9176028d02ef86f3cf76aa2476 authored by Linus Torvalds on 11 December 2022, 22:15:18 UTC
Linux 6.1
Tip revision: 830b3c6
rt5514-spi.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * rt5514-spi.h  --  RT5514 driver
 *
 * Copyright 2015 Realtek Semiconductor Corp.
 * Author: Oder Chiou <oder_chiou@realtek.com>
 */

#ifndef __RT5514_SPI_H__
#define __RT5514_SPI_H__

/**
 * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller.
*/
#define RT5514_SPI_BUF_LEN		240

#define RT5514_BUFFER_VOICE_BASE	0x18000200
#define RT5514_BUFFER_VOICE_LIMIT	0x18000204
#define RT5514_BUFFER_VOICE_WP		0x1800020c
#define RT5514_IRQ_CTRL			0x18002094

#define RT5514_IRQ_STATUS_BIT		(0x1 << 5)

/* SPI Command */
enum {
	RT5514_SPI_CMD_16_READ = 0,
	RT5514_SPI_CMD_16_WRITE,
	RT5514_SPI_CMD_32_READ,
	RT5514_SPI_CMD_32_WRITE,
	RT5514_SPI_CMD_BURST_READ,
	RT5514_SPI_CMD_BURST_WRITE,
};

int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);

#endif /* __RT5514_SPI_H__ */
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