ASoC: Add WM2000 driver
The WM2000 is a low power, high quality handset receiver speaker
driver with Wolfson myZone™ Ambient Noise Cancellation (ANC). It
provides enhanced voice communication quality in a noisy environment
if the handset acoustics are designed appropriately.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/sound/soc/codecs/wm2000.h b/sound/soc/codecs/wm2000.h
new file mode 100644
index 0000000..c18e261c
--- /dev/null
+++ b/sound/soc/codecs/wm2000.h
@@ -0,0 +1,79 @@
+/*
+ * wm2000.h -- WM2000 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 _WM2000_H
+#define _WM2000_H
+
+struct wm2000_setup_data {
+ unsigned short i2c_address;
+ int mclk_div; /* Set to a non-zero value if MCLK_DIV_2 required */
+};
+
+extern int wm2000_add_controls(struct snd_soc_codec *codec);
+
+extern struct snd_soc_dai wm2000_dai;
+extern struct snd_soc_codec_device soc_codec_dev_wm2000;
+
+#define WM2000_REG_SYS_START 0x8000
+#define WM2000_REG_SPEECH_CLARITY 0x8fef
+#define WM2000_REG_SYS_WATCHDOG 0x8ff6
+#define WM2000_REG_ANA_VMID_PD_TIME 0x8ff7
+#define WM2000_REG_ANA_VMID_PU_TIME 0x8ff8
+#define WM2000_REG_CAT_FLTR_INDX 0x8ff9
+#define WM2000_REG_CAT_GAIN_0 0x8ffa
+#define WM2000_REG_SYS_STATUS 0x8ffc
+#define WM2000_REG_SYS_MODE_CNTRL 0x8ffd
+#define WM2000_REG_SYS_START0 0x8ffe
+#define WM2000_REG_SYS_START1 0x8fff
+#define WM2000_REG_ID1 0xf000
+#define WM2000_REG_ID2 0xf001
+#define WM2000_REG_REVISON 0xf002
+#define WM2000_REG_SYS_CTL1 0xf003
+#define WM2000_REG_SYS_CTL2 0xf004
+#define WM2000_REG_ANC_STAT 0xf005
+#define WM2000_REG_IF_CTL 0xf006
+
+/* SPEECH_CLARITY */
+#define WM2000_SPEECH_CLARITY 0x01
+
+/* SYS_STATUS */
+#define WM2000_STATUS_MOUSE_ACTIVE 0x40
+#define WM2000_STATUS_CAT_FREQ_COMPLETE 0x20
+#define WM2000_STATUS_CAT_GAIN_COMPLETE 0x10
+#define WM2000_STATUS_THERMAL_SHUTDOWN_COMPLETE 0x08
+#define WM2000_STATUS_ANC_DISABLED 0x04
+#define WM2000_STATUS_POWER_DOWN_COMPLETE 0x02
+#define WM2000_STATUS_BOOT_COMPLETE 0x01
+
+/* SYS_MODE_CNTRL */
+#define WM2000_MODE_ANA_SEQ_INCLUDE 0x80
+#define WM2000_MODE_MOUSE_ENABLE 0x40
+#define WM2000_MODE_CAT_FREQ_ENABLE 0x20
+#define WM2000_MODE_CAT_GAIN_ENABLE 0x10
+#define WM2000_MODE_BYPASS_ENTRY 0x08
+#define WM2000_MODE_STANDBY_ENTRY 0x04
+#define WM2000_MODE_THERMAL_ENABLE 0x02
+#define WM2000_MODE_POWER_DOWN 0x01
+
+/* SYS_CTL1 */
+#define WM2000_SYS_STBY 0x01
+
+/* SYS_CTL2 */
+#define WM2000_MCLK_DIV2_ENA_CLR 0x80
+#define WM2000_MCLK_DIV2_ENA_SET 0x40
+#define WM2000_ANC_ENG_CLR 0x20
+#define WM2000_ANC_ENG_SET 0x10
+#define WM2000_ANC_INT_N_CLR 0x08
+#define WM2000_ANC_INT_N_SET 0x04
+#define WM2000_RAM_CLR 0x02
+#define WM2000_RAM_SET 0x01
+
+/* ANC_STAT */
+#define WM2000_ANC_ENG_IDLE 0x01
+
+#endif
