/* * rt5514-spi.h -- RT5514 driver * * Copyright 2015 Realtek Semiconductor Corp. * Author: Oder Chiou <oder_chiou@realtek.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #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__ */