diff options
Diffstat (limited to 'sound/soc/codecs/rt5514-spi.h')
| -rw-r--r-- | sound/soc/codecs/rt5514-spi.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5514-spi.h b/sound/soc/codecs/rt5514-spi.h new file mode 100644 index 000000000..c1a36647c --- /dev/null +++ b/sound/soc/codecs/rt5514-spi.h @@ -0,0 +1,40 @@ +/* + * rt5514-spi.h -- RT5514 driver + * + * Copyright 2015 Realtek Semiconductor Corp. + * Author: Oder Chiou <oder_chiou@realtek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#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__ */ |