1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * rt5514-spi.h -- RT5514 driver 4 * 5 * Copyright 2015 Realtek Semiconductor Corp. 6 * Author: Oder Chiou <oder_chiou@realtek.com> 7 */ 8 9 #ifndef __RT5514_SPI_H__ 10 #define __RT5514_SPI_H__ 11 12 /** 13 * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller. 14 */ 15 #define RT5514_SPI_BUF_LEN 240 16 17 #define RT5514_BUFFER_VOICE_BASE 0x18000200 18 #define RT5514_BUFFER_VOICE_LIMIT 0x18000204 19 #define RT5514_BUFFER_VOICE_WP 0x1800020c 20 #define RT5514_IRQ_CTRL 0x18002094 21 22 #define RT5514_IRQ_STATUS_BIT (0x1 << 5) 23 24 /* SPI Command */ 25 enum { 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 34 int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len); 35 int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len); 36 37 #endif /* __RT5514_SPI_H__ */ 38