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-rw-r--r--sound/soc/codecs/rt5514-spi.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5514-spi.h b/sound/soc/codecs/rt5514-spi.h
new file mode 100644
index 0000000000..cedb19709c
--- /dev/null
+++ b/sound/soc/codecs/rt5514-spi.h
@@ -0,0 +1,37 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * rt5514-spi.h -- RT5514 driver
+ *
+ * Copyright 2015 Realtek Semiconductor Corp.
+ * Author: Oder Chiou <oder_chiou@realtek.com>
+ */
+
+#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__ */