LXR linux/sound/soc/codecs/rt5514-spi.h

   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 */
  25enum {
  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
  34int rt5514_spi_burst_read(unsigned int addr, u8 *rxbuf, size_t len);
  35int rt5514_spi_burst_write(u32 addr, const u8 *txbuf, size_t len);
  36
  37#endif /* __RT5514_SPI_H__ */
  38