1 files changed, 104 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8974.h b/sound/soc/codecs/wm8974.h
new file mode 100644
index 000000000000..0f5172e0f616
--- /dev/null
+++ b/sound/soc/codecs/wm8974.h
@@ -0,0 +1,104 @@
+/*
+ * wm8974.h  --  WM8974 Soc Audio driver
+ *
+ * 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 _WM8974_H
+#define _WM8974_H
+
+/* WM8974 register space */
+
+#define WM8974_RESET            0x0
+#define WM8974_POWER1           0x1
+#define WM8974_POWER2           0x2
+#define WM8974_POWER3           0x3
+#define WM8974_IFACE            0x4
+#define WM8974_COMP                     0x5
+#define WM8974_CLOCK            0x6
+#define WM8974_ADD                      0x7
+#define WM8974_GPIO                     0x8
+#define WM8974_DAC                      0xa
+#define WM8974_DACVOL           0xb
+#define WM8974_ADC                      0xe
+#define WM8974_ADCVOL           0xf
+#define WM8974_EQ1                      0x12
+#define WM8974_EQ2                      0x13
+#define WM8974_EQ3                      0x14
+#define WM8974_EQ4                      0x15
+#define WM8974_EQ5                      0x16
+#define WM8974_DACLIM1          0x18
+#define WM8974_DACLIM2          0x19
+#define WM8974_NOTCH1           0x1b
+#define WM8974_NOTCH2           0x1c
+#define WM8974_NOTCH3           0x1d
+#define WM8974_NOTCH4           0x1e
+#define WM8974_ALC1                     0x20
+#define WM8974_ALC2                     0x21
+#define WM8974_ALC3                     0x22
+#define WM8974_NGATE            0x23
+#define WM8974_PLLN                     0x24
+#define WM8974_PLLK1            0x25
+#define WM8974_PLLK2            0x26
+#define WM8974_PLLK3            0x27
+#define WM8974_ATTEN            0x28
+#define WM8974_INPUT            0x2c
+#define WM8974_INPPGA           0x2d
+#define WM8974_ADCBOOST         0x2f
+#define WM8974_OUTPUT           0x31
+#define WM8974_SPKMIX           0x32
+#define WM8974_SPKVOL           0x36
+#define WM8974_MONOMIX          0x38
+
+#define WM8974_CACHEREGNUM      57
+
+/* Clock divider Id's */
+#define WM8974_OPCLKDIV         0
+#define WM8974_MCLKDIV          1
+#define WM8974_ADCCLK           2
+#define WM8974_DACCLK           3
+#define WM8974_BCLKDIV          4
+
+/* DAC clock dividers */
+#define WM8974_DACCLK_F2        (1 << 3)
+#define WM8974_DACCLK_F4        (0 << 3)
+
+/* ADC clock dividers */
+#define WM8974_ADCCLK_F2        (1 << 3)
+#define WM8974_ADCCLK_F4        (0 << 3)
+
+/* PLL Out dividers */
+#define WM8974_OPCLKDIV_1       (0 << 4)
+#define WM8974_OPCLKDIV_2       (1 << 4)
+#define WM8974_OPCLKDIV_3       (2 << 4)
+#define WM8974_OPCLKDIV_4       (3 << 4)
+
+/* BCLK clock dividers */
+#define WM8974_BCLKDIV_1        (0 << 2)
+#define WM8974_BCLKDIV_2        (1 << 2)
+#define WM8974_BCLKDIV_4        (2 << 2)
+#define WM8974_BCLKDIV_8        (3 << 2)
+#define WM8974_BCLKDIV_16       (4 << 2)
+#define WM8974_BCLKDIV_32       (5 << 2)
+
+/* MCLK clock dividers */
+#define WM8974_MCLKDIV_1        (0 << 5)
+#define WM8974_MCLKDIV_1_5      (1 << 5)
+#define WM8974_MCLKDIV_2        (2 << 5)
+#define WM8974_MCLKDIV_3        (3 << 5)
+#define WM8974_MCLKDIV_4        (4 << 5)
+#define WM8974_MCLKDIV_6        (5 << 5)
+#define WM8974_MCLKDIV_8        (6 << 5)
+#define WM8974_MCLKDIV_12       (7 << 5)
+
+
+struct wm8974_setup_data {
+        unsigned short i2c_address;
+};
+
+extern struct snd_soc_dai wm8974_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8974;
+
+#endif