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37 lines
913 B
37 lines
913 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* rt5514-spi.h -- RT5514 driver |
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* |
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* Copyright 2015 Realtek Semiconductor Corp. |
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* Author: Oder Chiou <[email protected]> |
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*/ |
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#ifndef __RT5514_SPI_H__ |
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#define __RT5514_SPI_H__ |
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/** |
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* RT5514_SPI_BUF_LEN is the buffer size of SPI master controller. |
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*/ |
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#define RT5514_SPI_BUF_LEN 240 |
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#define RT5514_BUFFER_VOICE_BASE 0x18000200 |
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#define RT5514_BUFFER_VOICE_LIMIT 0x18000204 |
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#define RT5514_BUFFER_VOICE_WP 0x1800020c |
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#define RT5514_IRQ_CTRL 0x18002094 |
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#define RT5514_IRQ_STATUS_BIT (0x1 << 5) |
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/* SPI Command */ |
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enum { |
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RT5514_SPI_CMD_16_READ = 0, |
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RT5514_SPI_CMD_16_WRITE, |
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RT5514_SPI_CMD_32_READ, |
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RT5514_SPI_CMD_32_WRITE, |
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RT5514_SPI_CMD_BURST_READ, |
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RT5514_SPI_CMD_BURST_WRITE, |
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}; |
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int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len); |
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int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len); |
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#endif /* __RT5514_SPI_H__ */
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