soc/codecs/rt5514-spi.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * rt5514-spi.h  --  RT5514 driver
0004  *
0005  * Copyright 2015 Realtek Semiconductor Corp.
0006  * Author: Oder Chiou <oder_chiou@realtek.com>
0007  */
0008
0009 #ifndef __RT5514_SPI_H__
0010 #define __RT5514_SPI_H__
0011
0012 /**
0013  * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller.
0014 */
0015 #define RT5514_SPI_BUF_LEN      240
0016
0017 #define RT5514_BUFFER_VOICE_BASE    0x18000200
0018 #define RT5514_BUFFER_VOICE_LIMIT   0x18000204
0019 #define RT5514_BUFFER_VOICE_WP      0x1800020c
0020 #define RT5514_IRQ_CTRL         0x18002094
0021
0022 #define RT5514_IRQ_STATUS_BIT       (0x1 << 5)
0023
0024 /* SPI Command */
0025 enum {
0026     RT5514_SPI_CMD_16_READ = 0,
0027     RT5514_SPI_CMD_16_WRITE,
0028     RT5514_SPI_CMD_32_READ,
0029     RT5514_SPI_CMD_32_WRITE,
0030     RT5514_SPI_CMD_BURST_READ,
0031     RT5514_SPI_CMD_BURST_WRITE,
0032 };
0033
0034 int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
0035 int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);
0036
0037 #endif /* __RT5514_SPI_H__ */