ALSA: ASoC: Add TLV320AIC23 codec driver

ASoC codec driver for TLV320AIC23 device

Signed-off-by: Arun KS <arunks@mistralsolutions.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 122 insertions, 0 deletions

diff --git a/sound/soc/codecs/tlv320aic23.h b/sound/soc/codecs/tlv320aic23.h
new file mode 100644
index 000000000000..79d1faf8e570
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic23.h
@@ -0,0 +1,122 @@
+/*
+ * ALSA SoC TLV320AIC23 codec driver
+ *
+ * Author:      Arun KS, <arunks@mistralsolutions.com>
+ * Copyright:   (C) 2008 Mistral Solutions Pvt Ltd
+ *
+ * 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 _TLV320AIC23_H
+#define _TLV320AIC23_H
+
+/* Codec TLV320AIC23 */
+#define TLV320AIC23_LINVOL              0x00
+#define TLV320AIC23_RINVOL              0x01
+#define TLV320AIC23_LCHNVOL             0x02
+#define TLV320AIC23_RCHNVOL             0x03
+#define TLV320AIC23_ANLG                0x04
+#define TLV320AIC23_DIGT                0x05
+#define TLV320AIC23_PWR                 0x06
+#define TLV320AIC23_DIGT_FMT            0x07
+#define TLV320AIC23_SRATE               0x08
+#define TLV320AIC23_ACTIVE              0x09
+#define TLV320AIC23_RESET               0x0F
+
+/* Left (right) line input volume control register */
+#define TLV320AIC23_LRS_ENABLED         0x0100
+#define TLV320AIC23_LIM_MUTED           0x0080
+#define TLV320AIC23_LIV_DEFAULT         0x0017
+#define TLV320AIC23_LIV_MAX             0x001f
+#define TLV320AIC23_LIV_MIN             0x0000
+
+/* Left (right) channel headphone volume control register */
+#define TLV320AIC23_LZC_ON              0x0080
+#define TLV320AIC23_LHV_DEFAULT         0x0079
+#define TLV320AIC23_LHV_MAX             0x007f
+#define TLV320AIC23_LHV_MIN             0x0000
+
+/* Analog audio path control register */
+#define TLV320AIC23_STA_REG(x)          ((x)<<6)
+#define TLV320AIC23_STE_ENABLED         0x0020
+#define TLV320AIC23_DAC_SELECTED        0x0010
+#define TLV320AIC23_BYPASS_ON           0x0008
+#define TLV320AIC23_INSEL_MIC           0x0004
+#define TLV320AIC23_MICM_MUTED          0x0002
+#define TLV320AIC23_MICB_20DB           0x0001
+
+/* Digital audio path control register */
+#define TLV320AIC23_DACM_MUTE           0x0008
+#define TLV320AIC23_DEEMP_32K           0x0002
+#define TLV320AIC23_DEEMP_44K           0x0004
+#define TLV320AIC23_DEEMP_48K           0x0006
+#define TLV320AIC23_ADCHP_ON            0x0001
+
+/* Power control down register */
+#define TLV320AIC23_DEVICE_PWR_OFF      0x0080
+#define TLV320AIC23_CLK_OFF             0x0040
+#define TLV320AIC23_OSC_OFF             0x0020
+#define TLV320AIC23_OUT_OFF             0x0010
+#define TLV320AIC23_DAC_OFF             0x0008
+#define TLV320AIC23_ADC_OFF             0x0004
+#define TLV320AIC23_MIC_OFF             0x0002
+#define TLV320AIC23_LINE_OFF            0x0001
+
+/* Digital audio interface register */
+#define TLV320AIC23_MS_MASTER           0x0040
+#define TLV320AIC23_LRSWAP_ON           0x0020
+#define TLV320AIC23_LRP_ON              0x0010
+#define TLV320AIC23_IWL_16              0x0000
+#define TLV320AIC23_IWL_20              0x0004
+#define TLV320AIC23_IWL_24              0x0008
+#define TLV320AIC23_IWL_32              0x000C
+#define TLV320AIC23_FOR_I2S             0x0002
+#define TLV320AIC23_FOR_DSP             0x0003
+#define TLV320AIC23_FOR_LJUST           0x0001
+
+/* Sample rate control register */
+#define TLV320AIC23_CLKOUT_HALF         0x0080
+#define TLV320AIC23_CLKIN_HALF          0x0040
+#define TLV320AIC23_BOSR_384fs          0x0002  /* BOSR_272fs in USB mode */
+#define TLV320AIC23_USB_CLK_ON          0x0001
+#define TLV320AIC23_SR_MASK             0xf
+#define TLV320AIC23_CLKOUT_SHIFT        7
+#define TLV320AIC23_CLKIN_SHIFT         6
+#define TLV320AIC23_SR_SHIFT            2
+#define TLV320AIC23_BOSR_SHIFT          1
+
+/* Digital interface register */
+#define TLV320AIC23_ACT_ON              0x0001
+
+/*
+ * AUDIO related MACROS
+ */
+
+#define TLV320AIC23_DEFAULT_OUT_VOL     0x70
+#define TLV320AIC23_DEFAULT_IN_VOLUME   0x10
+
+#define TLV320AIC23_OUT_VOL_MIN         TLV320AIC23_LHV_MIN
+#define TLV320AIC23_OUT_VOL_MAX         TLV320AIC23_LHV_MAX
+#define TLV320AIC23_OUT_VO_RANGE        (TLV320AIC23_OUT_VOL_MAX - \
+                                        TLV320AIC23_OUT_VOL_MIN)
+#define TLV320AIC23_OUT_VOL_MASK        TLV320AIC23_OUT_VOL_MAX
+
+#define TLV320AIC23_IN_VOL_MIN          TLV320AIC23_LIV_MIN
+#define TLV320AIC23_IN_VOL_MAX          TLV320AIC23_LIV_MAX
+#define TLV320AIC23_IN_VOL_RANGE        (TLV320AIC23_IN_VOL_MAX - \
+                                        TLV320AIC23_IN_VOL_MIN)
+#define TLV320AIC23_IN_VOL_MASK         TLV320AIC23_IN_VOL_MAX
+
+#define TLV320AIC23_SIDETONE_MASK       0x1c0
+#define TLV320AIC23_SIDETONE_0          0x100
+#define TLV320AIC23_SIDETONE_6          0x000
+#define TLV320AIC23_SIDETONE_9          0x040
+#define TLV320AIC23_SIDETONE_12         0x080
+#define TLV320AIC23_SIDETONE_18         0x0c0
+
+extern struct snd_soc_dai tlv320aic23_dai;
+extern struct snd_soc_codec_device soc_codec_dev_tlv320aic23;
+
+#endif /* _TLV320AIC23_H */