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
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