12345678910111213141516171819202122232425262728293031323334353637 |
- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * rt5514-spi.h -- RT5514 driver
- *
- * Copyright 2015 Realtek Semiconductor Corp.
- * Author: Oder Chiou <[email protected]>
- */
- #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__ */
|