ASoC: add RT5670 CODEC driver
This patch adds a minimum support of Realtek ALC5670 codec.
Signed-off-by: Bard Liao <bardliao@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/rt5670-dsp.h b/sound/soc/codecs/rt5670-dsp.h
new file mode 100644
index 0000000..a34d0cd
--- /dev/null
+++ b/sound/soc/codecs/rt5670-dsp.h
@@ -0,0 +1,54 @@
+/*
+ * rt5670-dsp.h -- RT5670 ALSA SoC DSP driver
+ *
+ * Copyright 2014 Realtek Microelectronics
+ * Author: Bard Liao <bardliao@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 __RT5670_DSP_H__
+#define __RT5670_DSP_H__
+
+#define RT5670_DSP_CTRL1 0xe0
+#define RT5670_DSP_CTRL2 0xe1
+#define RT5670_DSP_CTRL3 0xe2
+#define RT5670_DSP_CTRL4 0xe3
+#define RT5670_DSP_CTRL5 0xe4
+
+/* DSP Control 1 (0xe0) */
+#define RT5670_DSP_CMD_MASK (0xff << 8)
+#define RT5670_DSP_CMD_PE (0x0d << 8) /* Patch Entry */
+#define RT5670_DSP_CMD_MW (0x3b << 8) /* Memory Write */
+#define RT5670_DSP_CMD_MR (0x37 << 8) /* Memory Read */
+#define RT5670_DSP_CMD_RR (0x60 << 8) /* Register Read */
+#define RT5670_DSP_CMD_RW (0x68 << 8) /* Register Write */
+#define RT5670_DSP_REG_DATHI (0x26 << 8) /* High Data Addr */
+#define RT5670_DSP_REG_DATLO (0x25 << 8) /* Low Data Addr */
+#define RT5670_DSP_CLK_MASK (0x3 << 6)
+#define RT5670_DSP_CLK_SFT 6
+#define RT5670_DSP_CLK_768K (0x0 << 6)
+#define RT5670_DSP_CLK_384K (0x1 << 6)
+#define RT5670_DSP_CLK_192K (0x2 << 6)
+#define RT5670_DSP_CLK_96K (0x3 << 6)
+#define RT5670_DSP_BUSY_MASK (0x1 << 5)
+#define RT5670_DSP_RW_MASK (0x1 << 4)
+#define RT5670_DSP_DL_MASK (0x3 << 2)
+#define RT5670_DSP_DL_0 (0x0 << 2)
+#define RT5670_DSP_DL_1 (0x1 << 2)
+#define RT5670_DSP_DL_2 (0x2 << 2)
+#define RT5670_DSP_DL_3 (0x3 << 2)
+#define RT5670_DSP_I2C_AL_16 (0x1 << 1)
+#define RT5670_DSP_CMD_EN (0x1)
+
+struct rt5670_dsp_param {
+ u16 cmd_fmt;
+ u16 addr;
+ u16 data;
+ u8 cmd;
+};
+
+#endif /* __RT5670_DSP_H__ */
+