ASoC WM8940 Driver

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 104 insertions, 0 deletions

diff --git a/sound/soc/codecs/wm8940.h b/sound/soc/codecs/wm8940.h
new file mode 100644
index 000000000000..8410eed3ef84
--- /dev/null
+++ b/sound/soc/codecs/wm8940.h
@@ -0,0 +1,104 @@
+/*
+ * wm8940.h -- WM8940 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 _WM8940_H
+#define _WM8940_H
+
+struct wm8940_setup_data {
+        /* Vref to analogue output resistance */
+#define WM8940_VROI_1K 0
+#define WM8940_VROI_30K 1
+        unsigned int vroi:1;
+};
+extern struct snd_soc_dai wm8940_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm8940;
+
+/* WM8940 register space */
+#define WM8940_SOFTRESET        0x00
+#define WM8940_POWER1           0x01
+#define WM8940_POWER2           0x02
+#define WM8940_POWER3           0x03
+#define WM8940_IFACE            0x04
+#define WM8940_COMPANDINGCTL    0x05
+#define WM8940_CLOCK            0x06
+#define WM8940_ADDCNTRL         0x07
+#define WM8940_GPIO             0x08
+#define WM8940_CTLINT           0x09
+#define WM8940_DAC              0x0A
+#define WM8940_DACVOL           0x0B
+
+#define WM8940_ADC              0x0E
+#define WM8940_ADCVOL           0x0F
+#define WM8940_NOTCH1           0x10
+#define WM8940_NOTCH2           0x11
+#define WM8940_NOTCH3           0x12
+#define WM8940_NOTCH4           0x13
+#define WM8940_NOTCH5           0x14
+#define WM8940_NOTCH6           0x15
+#define WM8940_NOTCH7           0x16
+#define WM8940_NOTCH8           0x17
+#define WM8940_DACLIM1          0x18
+#define WM8940_DACLIM2          0x19
+
+#define WM8940_ALC1             0x20
+#define WM8940_ALC2             0x21
+#define WM8940_ALC3             0x22
+#define WM8940_NOISEGATE        0x23
+#define WM8940_PLLN             0x24
+#define WM8940_PLLK1            0x25
+#define WM8940_PLLK2            0x26
+#define WM8940_PLLK3            0x27
+
+#define WM8940_ALC4             0x2A
+
+#define WM8940_INPUTCTL         0x2C
+#define WM8940_PGAGAIN          0x2D
+
+#define WM8940_ADCBOOST         0x2F
+
+#define WM8940_OUTPUTCTL        0x31
+#define WM8940_SPKMIX           0x32
+
+#define WM8940_SPKVOL           0x36
+
+#define WM8940_MONOMIX          0x38
+
+#define WM8940_CACHEREGNUM  0x57
+
+
+/* Clock divider Id's */
+#define WM8940_BCLKDIV 0
+#define WM8940_MCLKDIV 1
+#define WM8940_OPCLKDIV 2
+
+/* MCLK clock dividers */
+#define WM8940_MCLKDIV_1        0
+#define WM8940_MCLKDIV_1_5      1
+#define WM8940_MCLKDIV_2        2
+#define WM8940_MCLKDIV_3        3
+#define WM8940_MCLKDIV_4        4
+#define WM8940_MCLKDIV_6        5
+#define WM8940_MCLKDIV_8        6
+#define WM8940_MCLKDIV_12       7
+
+/* BCLK clock dividers */
+#define WM8940_BCLKDIV_1 0
+#define WM8940_BCLKDIV_2 1
+#define WM8940_BCLKDIV_4 2
+#define WM8940_BCLKDIV_8 3
+#define WM8940_BCLKDIV_16 4
+#define WM8940_BCLKDIV_32 5
+
+/* PLL Out Dividers */
+#define WM8940_OPCLKDIV_1 0
+#define WM8940_OPCLKDIV_2 1
+#define WM8940_OPCLKDIV_3 2
+#define WM8940_OPCLKDIV_4 3
+
+#endif /* _WM8940_H */
+