| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * rt5514-spi.h -- RT5514 driver |
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| 4 | * |
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| 5 | * Copyright 2015 Realtek Semiconductor Corp. |
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| 6 | * Author: Oder Chiou <oder_chiou@realtek.com> |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef __RT5514_SPI_H__ |
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| 10 | #define __RT5514_SPI_H__ |
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| 11 | |
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| 12 | /** |
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| 13 | * RT5514_SPI_BUF_LEN is the buffer size of SPI master controller. |
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| 14 | */ |
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| 15 | #define RT5514_SPI_BUF_LEN 240 |
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| 16 | |
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| 17 | #define RT5514_BUFFER_VOICE_BASE 0x18000200 |
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| 18 | #define RT5514_BUFFER_VOICE_LIMIT 0x18000204 |
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| 19 | #define RT5514_BUFFER_VOICE_WP 0x1800020c |
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| 20 | #define RT5514_IRQ_CTRL 0x18002094 |
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| 21 | |
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| 22 | #define RT5514_IRQ_STATUS_BIT (0x1 << 5) |
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| 23 | |
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| 24 | /* SPI Command */ |
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| 25 | enum { |
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| 26 | RT5514_SPI_CMD_16_READ = 0, |
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| 27 | RT5514_SPI_CMD_16_WRITE, |
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| 28 | RT5514_SPI_CMD_32_READ, |
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| 29 | RT5514_SPI_CMD_32_WRITE, |
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| 30 | RT5514_SPI_CMD_BURST_READ, |
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| 31 | RT5514_SPI_CMD_BURST_WRITE, |
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| 32 | }; |
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| 33 | |
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| 34 | int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len); |
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| 35 | int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len); |
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| 36 | |
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| 37 | #endif /* __RT5514_SPI_H__ */ |
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| 38 | |
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