[ALSA] ASoC TLV320AIC3X codec driver
This patch adds ALSA SoC support for TI TLV320AIC3X audio codecs.
The features that are supported:
o Capture/Playback/Bypass.
o 16/20/24/32 bit audio.
o 8k - 96k sample rates.
o codec master only mode
o DAPM.
Signed-off-by: Vladimir Barinov <vbarinov@ru.mvista.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/soc/codecs/tlv320aic3x.h b/sound/soc/codecs/tlv320aic3x.h
new file mode 100644
index 0000000..d0cdeeb
--- /dev/null
+++ b/sound/soc/codecs/tlv320aic3x.h
@@ -0,0 +1,181 @@
+/*
+ * ALSA SoC TLV320AIC3X codec driver
+ *
+ * Author: Vladimir Barinov, <vbarinov@ru.mvista.com>
+ * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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 _AIC3X_H
+#define _AIC3X_H
+
+/* AIC3X register space */
+#define AIC3X_CACHEREGNUM 103
+
+/* Page select register */
+#define AIC3X_PAGE_SELECT 0
+/* Software reset register */
+#define AIC3X_RESET 1
+/* Codec Sample rate select register */
+#define AIC3X_SAMPLE_RATE_SEL_REG 2
+/* PLL progrramming register A */
+#define AIC3X_PLL_PROGA_REG 3
+/* PLL progrramming register B */
+#define AIC3X_PLL_PROGB_REG 4
+/* PLL progrramming register C */
+#define AIC3X_PLL_PROGC_REG 5
+/* PLL progrramming register D */
+#define AIC3X_PLL_PROGD_REG 6
+/* Codec datapath setup register */
+#define AIC3X_CODEC_DATAPATH_REG 7
+/* Audio serial data interface control register A */
+#define AIC3X_ASD_INTF_CTRLA 8
+/* Audio serial data interface control register B */
+#define AIC3X_ASD_INTF_CTRLB 9
+/* Audio overflow status and PLL R value programming register */
+#define AIC3X_OVRF_STATUS_AND_PLLR_REG 11
+
+/* ADC PGA Gain control registers */
+#define LADC_VOL 15
+#define RADC_VOL 16
+/* MIC3 control registers */
+#define MIC3LR_2_LADC_CTRL 17
+#define MIC3LR_2_RADC_CTRL 18
+/* Line1 Input control registers */
+#define LINE1L_2_LADC_CTRL 19
+#define LINE1R_2_RADC_CTRL 22
+/* Line2 Input control registers */
+#define LINE2L_2_LADC_CTRL 20
+#define LINE2R_2_RADC_CTRL 23
+/* MICBIAS Control Register */
+#define MICBIAS_CTRL 25
+
+/* AGC Control Registers A, B, C */
+#define LAGC_CTRL_A 26
+#define LAGC_CTRL_B 27
+#define LAGC_CTRL_C 28
+#define RAGC_CTRL_A 29
+#define RAGC_CTRL_B 30
+#define RAGC_CTRL_C 31
+
+/* DAC Power and Left High Power Output control registers */
+#define DAC_PWR 37
+#define HPLCOM_CFG 37
+/* Right High Power Output control registers */
+#define HPRCOM_CFG 38
+/* DAC Output Switching control registers */
+#define DAC_LINE_MUX 41
+/* High Power Output Driver Pop Reduction registers */
+#define HPOUT_POP_REDUCTION 42
+/* DAC Digital control registers */
+#define LDAC_VOL 43
+#define RDAC_VOL 44
+/* High Power Output control registers */
+#define LINE2L_2_HPLOUT_VOL 45
+#define LINE2R_2_HPROUT_VOL 62
+#define PGAL_2_HPLOUT_VOL 46
+#define PGAR_2_HPROUT_VOL 63
+#define DACL1_2_HPLOUT_VOL 47
+#define DACR1_2_HPROUT_VOL 64
+#define HPLOUT_CTRL 51
+#define HPROUT_CTRL 65
+/* High Power COM control registers */
+#define LINE2L_2_HPLCOM_VOL 52
+#define LINE2R_2_HPRCOM_VOL 69
+#define PGAL_2_HPLCOM_VOL 53
+#define PGAR_2_HPRCOM_VOL 70
+#define DACL1_2_HPLCOM_VOL 54
+#define DACR1_2_HPRCOM_VOL 71
+#define HPLCOM_CTRL 58
+#define HPRCOM_CTRL 72
+/* Mono Line Output Plus/Minus control registers */
+#define LINE2L_2_MONOLOPM_VOL 73
+#define LINE2R_2_MONOLOPM_VOL 76
+#define PGAL_2_MONOLOPM_VOL 74
+#define PGAR_2_MONOLOPM_VOL 77
+#define DACL1_2_MONOLOPM_VOL 75
+#define DACR1_2_MONOLOPM_VOL 78
+#define MONOLOPM_CTRL 79
+/* Line Output Plus/Minus control registers */
+#define LINE2L_2_LLOPM_VOL 80
+#define LINE2R_2_RLOPM_VOL 90
+#define PGAL_2_LLOPM_VOL 81
+#define PGAR_2_RLOPM_VOL 91
+#define DACL1_2_LLOPM_VOL 82
+#define DACR1_2_RLOPM_VOL 92
+#define LLOPM_CTRL 86
+#define RLOPM_CTRL 93
+/* Clock generation control register */
+#define AIC3X_CLKGEN_CTRL_REG 102
+
+/* Page select register bits */
+#define PAGE0_SELECT 0
+#define PAGE1_SELECT 1
+
+/* Audio serial data interface control register A bits */
+#define BIT_CLK_MASTER 0x80
+#define WORD_CLK_MASTER 0x40
+
+/* Codec Datapath setup register 7 */
+#define FSREF_44100 (1 << 7)
+#define FSREF_48000 (0 << 7)
+#define DUAL_RATE_MODE ((1 << 5) | (1 << 6))
+#define LDAC2LCH (0x1 << 3)
+#define RDAC2RCH (0x1 << 1)
+
+/* PLL registers bitfields */
+#define PLLP_SHIFT 0
+#define PLLR_SHIFT 0
+#define PLLJ_SHIFT 2
+#define PLLD_MSB_SHIFT 0
+#define PLLD_LSB_SHIFT 2
+
+/* Clock generation register bits */
+#define PLL_CLKIN_SHIFT 4
+#define MCLK_SOURCE 0x0
+#define PLL_CLKDIV_SHIFT 0
+
+/* Software reset register bits */
+#define SOFT_RESET 0x80
+
+/* PLL progrramming register A bits */
+#define PLL_ENABLE 0x80
+
+/* Route bits */
+#define ROUTE_ON 0x80
+
+/* Mute bits */
+#define UNMUTE 0x08
+#define MUTE_ON 0x80
+
+/* Power bits */
+#define LADC_PWR_ON 0x04
+#define RADC_PWR_ON 0x04
+#define LDAC_PWR_ON 0x80
+#define RDAC_PWR_ON 0x40
+#define HPLOUT_PWR_ON 0x01
+#define HPROUT_PWR_ON 0x01
+#define HPLCOM_PWR_ON 0x01
+#define HPRCOM_PWR_ON 0x01
+#define MONOLOPM_PWR_ON 0x01
+#define LLOPM_PWR_ON 0x01
+#define RLOPM_PWR_ON 0x01
+
+#define INVERT_VOL(val) (0x7f - val)
+
+/* Default output volume (inverted) */
+#define DEFAULT_VOL INVERT_VOL(0x50)
+/* Default input volume */
+#define DEFAULT_GAIN 0x20
+
+struct aic3x_setup_data {
+ unsigned short i2c_address;
+};
+
+extern struct snd_soc_codec_dai aic3x_dai;
+extern struct snd_soc_codec_device soc_codec_dev_aic3x;
+
+#endif /* _AIC3X_H */