| /* 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__ */ |
