ASoC: Add ADAV80x codec driver
authorLars-Peter Clausen <lars@metafoo.de>
Mon, 27 Jun 2011 15:04:01 +0000 (17:04 +0200)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Tue, 28 Jun 2011 16:11:20 +0000 (17:11 +0100)
This patch adds support for the Analog Devices ADAV801 and ADAV803 audio codec.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
MAINTAINERS
sound/soc/codecs/Kconfig
sound/soc/codecs/Makefile
sound/soc/codecs/adav80x.c [new file with mode: 0644]
sound/soc/codecs/adav80x.h [new file with mode: 0644]

index 2406e0d8e80722d6914cf1ee8b01fcd10e60ef16..7bcc3951189fc7fe6ccc5eb0ad5055d6cea1ce0b 100644 (file)
@@ -534,6 +534,7 @@ L:  alsa-devel@alsa-project.org (moderated for non-subscribers)
 W:     http://wiki.analog.com/
 S:     Supported
 F:     sound/soc/codecs/adau*
+F:     sound/soc/codecs/adav*
 F:     sound/soc/codecs/ad1*
 F:     sound/soc/codecs/ssm*
 
index 2998e659379ccca924c6983279db513d7184463e..ff43405752a1f0fb16ad5bf11ecb81d679f4d9d2 100644 (file)
@@ -17,6 +17,7 @@ config SND_SOC_ALL_CODECS
        select SND_SOC_AD193X if SND_SOC_I2C_AND_SPI
        select SND_SOC_AD1980 if SND_SOC_AC97_BUS
        select SND_SOC_AD73311
+       select SND_SOC_ADAV80X
        select SND_SOC_ADS117X
        select SND_SOC_AK4104 if SPI_MASTER
        select SND_SOC_AK4535 if I2C
@@ -137,6 +138,9 @@ config SND_SOC_ADAU1701
        select SIGMA
        tristate
 
+config SND_SOC_ADAV80X
+       tristate
+
 config SND_SOC_ADS117X
        tristate
 
index 51cd3d48958985f53615d3bfd060396d9eab2742..4957431e23fc7c1179316ccaec732fd92215829c 100644 (file)
@@ -5,6 +5,7 @@ snd-soc-ad193x-objs := ad193x.o
 snd-soc-ad1980-objs := ad1980.o
 snd-soc-ad73311-objs := ad73311.o
 snd-soc-adau1701-objs := adau1701.o
+snd-soc-adav80x-objs := adav80x.o
 snd-soc-ads117x-objs := ads117x.o
 snd-soc-ak4104-objs := ak4104.o
 snd-soc-ak4535-objs := ak4535.o
@@ -99,6 +100,7 @@ obj-$(CONFIG_SND_SOC_AD193X) += snd-soc-ad193x.o
 obj-$(CONFIG_SND_SOC_AD1980)   += snd-soc-ad1980.o
 obj-$(CONFIG_SND_SOC_AD73311) += snd-soc-ad73311.o
 obj-$(CONFIG_SND_SOC_ADAU1701)  += snd-soc-adau1701.o
+obj-$(CONFIG_SND_SOC_ADAV80X)  += snd-soc-adav80x.o
 obj-$(CONFIG_SND_SOC_ADS117X)  += snd-soc-ads117x.o
 obj-$(CONFIG_SND_SOC_AK4104)   += snd-soc-ak4104.o
 obj-$(CONFIG_SND_SOC_AK4535)   += snd-soc-ak4535.o
diff --git a/sound/soc/codecs/adav80x.c b/sound/soc/codecs/adav80x.c
new file mode 100644 (file)
index 0000000..e30fba6
--- /dev/null
@@ -0,0 +1,951 @@
+/*
+ * ADAV80X Audio Codec driver supporting ADAV801, ADAV803
+ *
+ * Copyright 2011 Analog Devices Inc.
+ * Author: Yi Li <yi.li@analog.com>
+ * Author: Lars-Peter Clausen <lars@metafoo.de>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/i2c.h>
+#include <linux/spi/spi.h>
+#include <linux/slab.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/tlv.h>
+#include <sound/soc.h>
+
+#include "adav80x.h"
+
+#define ADAV80X_PLAYBACK_CTRL  0x04
+#define ADAV80X_AUX_IN_CTRL    0x05
+#define ADAV80X_REC_CTRL       0x06
+#define ADAV80X_AUX_OUT_CTRL   0x07
+#define ADAV80X_DPATH_CTRL1    0x62
+#define ADAV80X_DPATH_CTRL2    0x63
+#define ADAV80X_DAC_CTRL1      0x64
+#define ADAV80X_DAC_CTRL2      0x65
+#define ADAV80X_DAC_CTRL3      0x66
+#define ADAV80X_DAC_L_VOL      0x68
+#define ADAV80X_DAC_R_VOL      0x69
+#define ADAV80X_PGA_L_VOL      0x6c
+#define ADAV80X_PGA_R_VOL      0x6d
+#define ADAV80X_ADC_CTRL1      0x6e
+#define ADAV80X_ADC_CTRL2      0x6f
+#define ADAV80X_ADC_L_VOL      0x70
+#define ADAV80X_ADC_R_VOL      0x71
+#define ADAV80X_PLL_CTRL1      0x74
+#define ADAV80X_PLL_CTRL2      0x75
+#define ADAV80X_ICLK_CTRL1     0x76
+#define ADAV80X_ICLK_CTRL2     0x77
+#define ADAV80X_PLL_CLK_SRC    0x78
+#define ADAV80X_PLL_OUTE       0x7a
+
+#define ADAV80X_PLL_CLK_SRC_PLL_XIN(pll)       0x00
+#define ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll)     (0x40 << (pll))
+#define ADAV80X_PLL_CLK_SRC_PLL_MASK(pll)      (0x40 << (pll))
+
+#define ADAV80X_ICLK_CTRL1_DAC_SRC(src)                ((src) << 5)
+#define ADAV80X_ICLK_CTRL1_ADC_SRC(src)                ((src) << 2)
+#define ADAV80X_ICLK_CTRL1_ICLK2_SRC(src)      (src)
+#define ADAV80X_ICLK_CTRL2_ICLK1_SRC(src)      ((src) << 3)
+
+#define ADAV80X_PLL_CTRL1_PLLDIV               0x10
+#define ADAV80X_PLL_CTRL1_PLLPD(pll)           (0x04 << (pll))
+#define ADAV80X_PLL_CTRL1_XTLPD                        0x02
+
+#define ADAV80X_PLL_CTRL2_FIELD(pll, x)                ((x) << ((pll) * 4))
+
+#define ADAV80X_PLL_CTRL2_FS_48(pll)   ADAV80X_PLL_CTRL2_FIELD((pll), 0x00)
+#define ADAV80X_PLL_CTRL2_FS_32(pll)   ADAV80X_PLL_CTRL2_FIELD((pll), 0x08)
+#define ADAV80X_PLL_CTRL2_FS_44(pll)   ADAV80X_PLL_CTRL2_FIELD((pll), 0x0c)
+
+#define ADAV80X_PLL_CTRL2_SEL(pll)     ADAV80X_PLL_CTRL2_FIELD((pll), 0x02)
+#define ADAV80X_PLL_CTRL2_DOUB(pll)    ADAV80X_PLL_CTRL2_FIELD((pll), 0x01)
+#define ADAV80X_PLL_CTRL2_PLL_MASK(pll) ADAV80X_PLL_CTRL2_FIELD((pll), 0x0f)
+
+#define ADAV80X_ADC_CTRL1_MODULATOR_MASK       0x80
+#define ADAV80X_ADC_CTRL1_MODULATOR_128FS      0x00
+#define ADAV80X_ADC_CTRL1_MODULATOR_64FS       0x80
+
+#define ADAV80X_DAC_CTRL1_PD                   0x80
+
+#define ADAV80X_DAC_CTRL2_DIV1                 0x00
+#define ADAV80X_DAC_CTRL2_DIV1_5               0x10
+#define ADAV80X_DAC_CTRL2_DIV2                 0x20
+#define ADAV80X_DAC_CTRL2_DIV3                 0x30
+#define ADAV80X_DAC_CTRL2_DIV_MASK             0x30
+
+#define ADAV80X_DAC_CTRL2_INTERPOL_256FS       0x00
+#define ADAV80X_DAC_CTRL2_INTERPOL_128FS       0x40
+#define ADAV80X_DAC_CTRL2_INTERPOL_64FS                0x80
+#define ADAV80X_DAC_CTRL2_INTERPOL_MASK                0xc0
+
+#define ADAV80X_DAC_CTRL2_DEEMPH_NONE          0x00
+#define ADAV80X_DAC_CTRL2_DEEMPH_44            0x01
+#define ADAV80X_DAC_CTRL2_DEEMPH_32            0x02
+#define ADAV80X_DAC_CTRL2_DEEMPH_48            0x03
+#define ADAV80X_DAC_CTRL2_DEEMPH_MASK          0x01
+
+#define ADAV80X_CAPTURE_MODE_MASTER            0x20
+#define ADAV80X_CAPTURE_WORD_LEN24             0x00
+#define ADAV80X_CAPTURE_WORD_LEN20             0x04
+#define ADAV80X_CAPTRUE_WORD_LEN18             0x08
+#define ADAV80X_CAPTURE_WORD_LEN16             0x0c
+#define ADAV80X_CAPTURE_WORD_LEN_MASK          0x0c
+
+#define ADAV80X_CAPTURE_MODE_LEFT_J            0x00
+#define ADAV80X_CAPTURE_MODE_I2S               0x01
+#define ADAV80X_CAPTURE_MODE_RIGHT_J           0x03
+#define ADAV80X_CAPTURE_MODE_MASK              0x03
+
+#define ADAV80X_PLAYBACK_MODE_MASTER           0x10
+#define ADAV80X_PLAYBACK_MODE_LEFT_J           0x00
+#define ADAV80X_PLAYBACK_MODE_I2S              0x01
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_24       0x04
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_20       0x05
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_18       0x06
+#define ADAV80X_PLAYBACK_MODE_RIGHT_J_16       0x07
+#define ADAV80X_PLAYBACK_MODE_MASK             0x07
+
+#define ADAV80X_PLL_OUTE_SYSCLKPD(x)           BIT(2 - (x))
+
+static u8 adav80x_default_regs[] = {
+       0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x02, 0x01, 0x80, 0x26, 0x00, 0x00,
+       0x02, 0x40, 0x20, 0x00, 0x09, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x04, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd1, 0x92, 0xb1, 0x37,
+       0x48, 0xd2, 0xfb, 0xca, 0xd2, 0x15, 0xe8, 0x29, 0xb9, 0x6a, 0xda, 0x2b,
+       0xb7, 0xc0, 0x11, 0x65, 0x5c, 0xf6, 0xff, 0x8d, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xa5, 0x00, 0x00,
+       0x00, 0xe8, 0x46, 0xe1, 0x5b, 0xd3, 0x43, 0x77, 0x93, 0xa7, 0x44, 0xee,
+       0x32, 0x12, 0xc0, 0x11, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x3f, 0x3f,
+       0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00, 0x1d, 0x00, 0x00, 0x00, 0x00,
+       0x00, 0x00, 0x00, 0x00, 0x52, 0x00,
+};
+
+struct adav80x {
+       enum snd_soc_control_type control_type;
+
+       enum adav80x_clk_src clk_src;
+       unsigned int sysclk;
+       enum adav80x_pll_src pll_src;
+
+       unsigned int dai_fmt[2];
+       unsigned int rate;
+       bool deemph;
+       bool sysclk_pd[3];
+};
+
+static const char *adav80x_mux_text[] = {
+       "ADC",
+       "Playback",
+       "Aux Playback",
+};
+
+static const unsigned int adav80x_mux_values[] = {
+       0, 2, 3,
+};
+
+#define ADAV80X_MUX_ENUM_DECL(name, reg, shift) \
+       SOC_VALUE_ENUM_DOUBLE_DECL(name, reg, shift, 7, \
+               ARRAY_SIZE(adav80x_mux_text), adav80x_mux_text, \
+               adav80x_mux_values)
+
+static ADAV80X_MUX_ENUM_DECL(adav80x_aux_capture_enum, ADAV80X_DPATH_CTRL1, 0);
+static ADAV80X_MUX_ENUM_DECL(adav80x_capture_enum, ADAV80X_DPATH_CTRL1, 3);
+static ADAV80X_MUX_ENUM_DECL(adav80x_dac_enum, ADAV80X_DPATH_CTRL2, 3);
+
+static const struct snd_kcontrol_new adav80x_aux_capture_mux_ctrl =
+       SOC_DAPM_VALUE_ENUM("Route", adav80x_aux_capture_enum);
+static const struct snd_kcontrol_new adav80x_capture_mux_ctrl =
+       SOC_DAPM_VALUE_ENUM("Route", adav80x_capture_enum);
+static const struct snd_kcontrol_new adav80x_dac_mux_ctrl =
+       SOC_DAPM_VALUE_ENUM("Route", adav80x_dac_enum);
+
+#define ADAV80X_MUX(name, ctrl) \
+       SND_SOC_DAPM_VALUE_MUX(name, SND_SOC_NOPM, 0, 0, ctrl)
+
+static const struct snd_soc_dapm_widget adav80x_dapm_widgets[] = {
+       SND_SOC_DAPM_DAC("DAC", NULL, ADAV80X_DAC_CTRL1, 7, 1),
+       SND_SOC_DAPM_ADC("ADC", NULL, ADAV80X_ADC_CTRL1, 5, 1),
+
+       SND_SOC_DAPM_PGA("Right PGA", ADAV80X_ADC_CTRL1, 0, 1, NULL, 0),
+       SND_SOC_DAPM_PGA("Left PGA", ADAV80X_ADC_CTRL1, 1, 1, NULL, 0),
+
+       SND_SOC_DAPM_AIF_OUT("AIFOUT", "HiFi Capture", 0, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_IN("AIFIN", "HiFi Playback", 0, SND_SOC_NOPM, 0, 0),
+
+       SND_SOC_DAPM_AIF_OUT("AIFAUXOUT", "Aux Capture", 0, SND_SOC_NOPM, 0, 0),
+       SND_SOC_DAPM_AIF_IN("AIFAUXIN", "Aux Playback", 0, SND_SOC_NOPM, 0, 0),
+
+       ADAV80X_MUX("Aux Capture Select", &adav80x_aux_capture_mux_ctrl),
+       ADAV80X_MUX("Capture Select", &adav80x_capture_mux_ctrl),
+       ADAV80X_MUX("DAC Select", &adav80x_dac_mux_ctrl),
+
+       SND_SOC_DAPM_INPUT("VINR"),
+       SND_SOC_DAPM_INPUT("VINL"),
+       SND_SOC_DAPM_OUTPUT("VOUTR"),
+       SND_SOC_DAPM_OUTPUT("VOUTL"),
+
+       SND_SOC_DAPM_SUPPLY("SYSCLK", SND_SOC_NOPM, 0, 0, NULL, 0),
+       SND_SOC_DAPM_SUPPLY("PLL1", ADAV80X_PLL_CTRL1, 2, 1, NULL, 0),
+       SND_SOC_DAPM_SUPPLY("PLL2", ADAV80X_PLL_CTRL1, 3, 1, NULL, 0),
+       SND_SOC_DAPM_SUPPLY("OSC", ADAV80X_PLL_CTRL1, 1, 1, NULL, 0),
+};
+
+static int adav80x_dapm_sysclk_check(struct snd_soc_dapm_widget *source,
+                        struct snd_soc_dapm_widget *sink)
+{
+       struct snd_soc_codec *codec = source->codec;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       const char *clk;
+
+       switch (adav80x->clk_src) {
+       case ADAV80X_CLK_PLL1:
+               clk = "PLL1";
+               break;
+       case ADAV80X_CLK_PLL2:
+               clk = "PLL2";
+               break;
+       case ADAV80X_CLK_XTAL:
+               clk = "OSC";
+               break;
+       default:
+               return 0;
+       }
+
+       return strcmp(source->name, clk) == 0;
+}
+
+static int adav80x_dapm_pll_check(struct snd_soc_dapm_widget *source,
+                        struct snd_soc_dapm_widget *sink)
+{
+       struct snd_soc_codec *codec = source->codec;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+       return adav80x->pll_src == ADAV80X_PLL_SRC_XTAL;
+}
+
+
+static const struct snd_soc_dapm_route adav80x_dapm_routes[] = {
+       { "DAC Select", "ADC", "ADC" },
+       { "DAC Select", "Playback", "AIFIN" },
+       { "DAC Select", "Aux Playback", "AIFAUXIN" },
+       { "DAC", NULL,  "DAC Select" },
+
+       { "Capture Select", "ADC", "ADC" },
+       { "Capture Select", "Playback", "AIFIN" },
+       { "Capture Select", "Aux Playback", "AIFAUXIN" },
+       { "AIFOUT", NULL,  "Capture Select" },
+
+       { "Aux Capture Select", "ADC", "ADC" },
+       { "Aux Capture Select", "Playback", "AIFIN" },
+       { "Aux Capture Select", "Aux Playback", "AIFAUXIN" },
+       { "AIFAUXOUT", NULL,  "Aux Capture Select" },
+
+       { "VOUTR",  NULL, "DAC" },
+       { "VOUTL",  NULL, "DAC" },
+
+       { "Left PGA", NULL, "VINL" },
+       { "Right PGA", NULL, "VINR" },
+       { "ADC", NULL, "Left PGA" },
+       { "ADC", NULL, "Right PGA" },
+
+       { "SYSCLK", NULL, "PLL1", adav80x_dapm_sysclk_check },
+       { "SYSCLK", NULL, "PLL2", adav80x_dapm_sysclk_check },
+       { "SYSCLK", NULL, "OSC", adav80x_dapm_sysclk_check },
+       { "PLL1", NULL, "OSC", adav80x_dapm_pll_check },
+       { "PLL2", NULL, "OSC", adav80x_dapm_pll_check },
+
+       { "ADC", NULL, "SYSCLK" },
+       { "DAC", NULL, "SYSCLK" },
+       { "AIFOUT", NULL, "SYSCLK" },
+       { "AIFAUXOUT", NULL, "SYSCLK" },
+       { "AIFIN", NULL, "SYSCLK" },
+       { "AIFAUXIN", NULL, "SYSCLK" },
+};
+
+static int adav80x_set_deemph(struct snd_soc_codec *codec)
+{
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       unsigned int val;
+
+       if (adav80x->deemph) {
+               switch (adav80x->rate) {
+               case 32000:
+                       val = ADAV80X_DAC_CTRL2_DEEMPH_32;
+                       break;
+               case 44100:
+                       val = ADAV80X_DAC_CTRL2_DEEMPH_44;
+                       break;
+               case 48000:
+               case 64000:
+               case 88200:
+               case 96000:
+                       val = ADAV80X_DAC_CTRL2_DEEMPH_48;
+                       break;
+               default:
+                       val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
+                       break;
+               }
+       } else {
+               val = ADAV80X_DAC_CTRL2_DEEMPH_NONE;
+       }
+
+       return snd_soc_update_bits(codec, ADAV80X_DAC_CTRL2,
+               ADAV80X_DAC_CTRL2_DEEMPH_MASK, val);
+}
+
+static int adav80x_put_deemph(struct snd_kcontrol *kcontrol,
+               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       unsigned int deemph = ucontrol->value.enumerated.item[0];
+
+       if (deemph > 1)
+               return -EINVAL;
+
+       adav80x->deemph = deemph;
+
+       return adav80x_set_deemph(codec);
+}
+
+static int adav80x_get_deemph(struct snd_kcontrol *kcontrol,
+                               struct snd_ctl_elem_value *ucontrol)
+{
+       struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+       ucontrol->value.enumerated.item[0] = adav80x->deemph;
+       return 0;
+};
+
+static const DECLARE_TLV_DB_SCALE(adav80x_inpga_tlv, 0, 50, 0);
+static const DECLARE_TLV_DB_MINMAX(adav80x_digital_tlv, -9563, 0);
+
+static const struct snd_kcontrol_new adav80x_controls[] = {
+       SOC_DOUBLE_R_TLV("Master Playback Volume", ADAV80X_DAC_L_VOL,
+               ADAV80X_DAC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
+       SOC_DOUBLE_R_TLV("Master Capture Volume", ADAV80X_ADC_L_VOL,
+                       ADAV80X_ADC_R_VOL, 0, 0xff, 0, adav80x_digital_tlv),
+
+       SOC_DOUBLE_R_TLV("PGA Capture Volume", ADAV80X_PGA_L_VOL,
+                       ADAV80X_PGA_R_VOL, 0, 0x30, 0, adav80x_inpga_tlv),
+
+       SOC_DOUBLE("Master Playback Switch", ADAV80X_DAC_CTRL1, 0, 1, 1, 0),
+       SOC_DOUBLE("Master Capture Switch", ADAV80X_ADC_CTRL1, 2, 3, 1, 1),
+
+       SOC_SINGLE("ADC High Pass Filter Switch", ADAV80X_ADC_CTRL1, 6, 1, 0),
+
+       SOC_SINGLE_BOOL_EXT("Playback De-emphasis Switch", 0,
+                       adav80x_get_deemph, adav80x_put_deemph),
+};
+
+static unsigned int adav80x_port_ctrl_regs[2][2] = {
+       { ADAV80X_REC_CTRL, ADAV80X_PLAYBACK_CTRL, },
+       { ADAV80X_AUX_OUT_CTRL, ADAV80X_AUX_IN_CTRL },
+};
+
+static int adav80x_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       unsigned int capture = 0x00;
+       unsigned int playback = 0x00;
+
+       switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+       case SND_SOC_DAIFMT_CBM_CFM:
+               capture |= ADAV80X_CAPTURE_MODE_MASTER;
+               playback |= ADAV80X_PLAYBACK_MODE_MASTER;
+       case SND_SOC_DAIFMT_CBS_CFS:
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+       case SND_SOC_DAIFMT_I2S:
+               capture |= ADAV80X_CAPTURE_MODE_I2S;
+               playback |= ADAV80X_PLAYBACK_MODE_I2S;
+               break;
+       case SND_SOC_DAIFMT_LEFT_J:
+               capture |= ADAV80X_CAPTURE_MODE_LEFT_J;
+               playback |= ADAV80X_PLAYBACK_MODE_LEFT_J;
+               break;
+       case SND_SOC_DAIFMT_RIGHT_J:
+               capture |= ADAV80X_CAPTURE_MODE_RIGHT_J;
+               playback |= ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+       case SND_SOC_DAIFMT_NB_NF:
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       snd_soc_update_bits(codec, adav80x_port_ctrl_regs[dai->id][0],
+               ADAV80X_CAPTURE_MODE_MASK | ADAV80X_CAPTURE_MODE_MASTER,
+               capture);
+       snd_soc_write(codec, adav80x_port_ctrl_regs[dai->id][1], playback);
+
+       adav80x->dai_fmt[dai->id] = fmt & SND_SOC_DAIFMT_FORMAT_MASK;
+
+       return 0;
+}
+
+static int adav80x_set_adc_clock(struct snd_soc_codec *codec,
+               unsigned int sample_rate)
+{
+       unsigned int val;
+
+       if (sample_rate <= 48000)
+               val = ADAV80X_ADC_CTRL1_MODULATOR_128FS;
+       else
+               val = ADAV80X_ADC_CTRL1_MODULATOR_64FS;
+
+       snd_soc_update_bits(codec, ADAV80X_ADC_CTRL1,
+               ADAV80X_ADC_CTRL1_MODULATOR_MASK, val);
+
+       return 0;
+}
+
+static int adav80x_set_dac_clock(struct snd_soc_codec *codec,
+               unsigned int sample_rate)
+{
+       unsigned int val;
+
+       if (sample_rate <= 48000)
+               val = ADAV80X_DAC_CTRL2_DIV1 | ADAV80X_DAC_CTRL2_INTERPOL_256FS;
+       else
+               val = ADAV80X_DAC_CTRL2_DIV2 | ADAV80X_DAC_CTRL2_INTERPOL_128FS;
+
+       snd_soc_update_bits(codec, ADAV80X_DAC_CTRL2,
+               ADAV80X_DAC_CTRL2_DIV_MASK | ADAV80X_DAC_CTRL2_INTERPOL_MASK,
+               val);
+
+       return 0;
+}
+
+static int adav80x_set_capture_pcm_format(struct snd_soc_codec *codec,
+               struct snd_soc_dai *dai, snd_pcm_format_t format)
+{
+       unsigned int val;
+
+       switch (format) {
+       case SNDRV_PCM_FORMAT_S16_LE:
+               val = ADAV80X_CAPTURE_WORD_LEN16;
+               break;
+       case SNDRV_PCM_FORMAT_S18_3LE:
+               val = ADAV80X_CAPTRUE_WORD_LEN18;
+               break;
+       case SNDRV_PCM_FORMAT_S20_3LE:
+               val = ADAV80X_CAPTURE_WORD_LEN20;
+               break;
+       case SNDRV_PCM_FORMAT_S24_LE:
+               val = ADAV80X_CAPTURE_WORD_LEN24;
+               break;
+       default:
+               break;
+       }
+
+       snd_soc_update_bits(codec, adav80x_port_ctrl_regs[dai->id][0],
+               ADAV80X_CAPTURE_WORD_LEN_MASK, val);
+
+       return 0;
+}
+
+static int adav80x_set_playback_pcm_format(struct snd_soc_codec *codec,
+               struct snd_soc_dai *dai, snd_pcm_format_t format)
+{
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       unsigned int val;
+
+       if (adav80x->dai_fmt[dai->id] != SND_SOC_DAIFMT_RIGHT_J)
+               return 0;
+
+       switch (format) {
+       case SNDRV_PCM_FORMAT_S16_LE:
+               val = ADAV80X_PLAYBACK_MODE_RIGHT_J_16;
+               break;
+       case SNDRV_PCM_FORMAT_S18_3LE:
+               val = ADAV80X_PLAYBACK_MODE_RIGHT_J_18;
+               break;
+       case SNDRV_PCM_FORMAT_S20_3LE:
+               val = ADAV80X_PLAYBACK_MODE_RIGHT_J_20;
+               break;
+       case SNDRV_PCM_FORMAT_S24_LE:
+               val = ADAV80X_PLAYBACK_MODE_RIGHT_J_24;
+               break;
+       default:
+               break;
+       }
+
+       snd_soc_update_bits(codec, adav80x_port_ctrl_regs[dai->id][1],
+               ADAV80X_PLAYBACK_MODE_MASK, val);
+
+       return 0;
+}
+
+static int adav80x_hw_params(struct snd_pcm_substream *substream,
+               struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       unsigned int rate = params_rate(params);
+
+       if (rate * 256 != adav80x->sysclk)
+               return -EINVAL;
+
+       if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+               adav80x_set_playback_pcm_format(codec, dai,
+                       params_format(params));
+               adav80x_set_dac_clock(codec, rate);
+       } else {
+               adav80x_set_capture_pcm_format(codec, dai,
+                       params_format(params));
+               adav80x_set_adc_clock(codec, rate);
+       }
+       adav80x->rate = rate;
+       adav80x_set_deemph(codec);
+
+       return 0;
+}
+
+static int adav80x_set_sysclk(struct snd_soc_codec *codec,
+               int clk_id, unsigned int freq, int dir)
+{
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+       if (dir == SND_SOC_CLOCK_IN) {
+               switch (clk_id) {
+               case ADAV80X_CLK_XIN:
+               case ADAV80X_CLK_XTAL:
+               case ADAV80X_CLK_MCLKI:
+               case ADAV80X_CLK_PLL1:
+               case ADAV80X_CLK_PLL2:
+                       break;
+               default:
+                       return -EINVAL;
+               }
+
+               adav80x->sysclk = freq;
+
+               if (adav80x->clk_src != clk_id) {
+                       unsigned int iclk_ctrl1, iclk_ctrl2;
+
+                       adav80x->clk_src = clk_id;
+                       if (clk_id == ADAV80X_CLK_XTAL)
+                               clk_id = ADAV80X_CLK_XIN;
+
+                       iclk_ctrl1 = ADAV80X_ICLK_CTRL1_DAC_SRC(clk_id) |
+                                       ADAV80X_ICLK_CTRL1_ADC_SRC(clk_id) |
+                                       ADAV80X_ICLK_CTRL1_ICLK2_SRC(clk_id);
+                       iclk_ctrl2 = ADAV80X_ICLK_CTRL2_ICLK1_SRC(clk_id);
+
+                       snd_soc_write(codec, ADAV80X_ICLK_CTRL1, iclk_ctrl1);
+                       snd_soc_write(codec, ADAV80X_ICLK_CTRL2, iclk_ctrl2);
+
+                       snd_soc_dapm_sync(&codec->dapm);
+               }
+       } else {
+               unsigned int mask;
+
+               switch (clk_id) {
+               case ADAV80X_CLK_SYSCLK1:
+               case ADAV80X_CLK_SYSCLK2:
+               case ADAV80X_CLK_SYSCLK3:
+                       break;
+               default:
+                       return -EINVAL;
+               }
+
+               clk_id -= ADAV80X_CLK_SYSCLK1;
+               mask = ADAV80X_PLL_OUTE_SYSCLKPD(clk_id);
+
+               if (freq == 0) {
+                       snd_soc_update_bits(codec, ADAV80X_PLL_OUTE, mask, mask);
+                       adav80x->sysclk_pd[clk_id] = true;
+               } else {
+                       snd_soc_update_bits(codec, ADAV80X_PLL_OUTE, mask, 0);
+                       adav80x->sysclk_pd[clk_id] = false;
+               }
+
+               if (adav80x->sysclk_pd[0])
+                       snd_soc_dapm_disable_pin(&codec->dapm, "PLL1");
+               else
+                       snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
+
+               if (adav80x->sysclk_pd[1] || adav80x->sysclk_pd[2])
+                       snd_soc_dapm_disable_pin(&codec->dapm, "PLL2");
+               else
+                       snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL2");
+
+               snd_soc_dapm_sync(&codec->dapm);
+       }
+
+       return 0;
+}
+
+static int adav80x_set_pll(struct snd_soc_codec *codec, int pll_id,
+               int source, unsigned int freq_in, unsigned int freq_out)
+{
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+       unsigned int pll_ctrl1 = 0;
+       unsigned int pll_ctrl2 = 0;
+       unsigned int pll_src;
+
+       switch (source) {
+       case ADAV80X_PLL_SRC_XTAL:
+       case ADAV80X_PLL_SRC_XIN:
+       case ADAV80X_PLL_SRC_MCLKI:
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       if (!freq_out)
+               return 0;
+
+       switch (freq_in) {
+       case 27000000:
+               break;
+       case 54000000:
+               if (source == ADAV80X_PLL_SRC_XIN) {
+                       pll_ctrl1 |= ADAV80X_PLL_CTRL1_PLLDIV;
+                       break;
+               }
+       default:
+               return -EINVAL;
+       }
+
+       if (freq_out > 12288000) {
+               pll_ctrl2 |= ADAV80X_PLL_CTRL2_DOUB(pll_id);
+               freq_out /= 2;
+       }
+
+       /* freq_out = sample_rate * 256 */
+       switch (freq_out) {
+       case 8192000:
+               pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_32(pll_id);
+               break;
+       case 11289600:
+               pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_44(pll_id);
+               break;
+       case 12288000:
+               pll_ctrl2 |= ADAV80X_PLL_CTRL2_FS_48(pll_id);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       snd_soc_update_bits(codec, ADAV80X_PLL_CTRL1, ADAV80X_PLL_CTRL1_PLLDIV,
+               pll_ctrl1);
+       snd_soc_update_bits(codec, ADAV80X_PLL_CTRL2,
+                       ADAV80X_PLL_CTRL2_PLL_MASK(pll_id), pll_ctrl2);
+
+       if (source != adav80x->pll_src) {
+               if (source == ADAV80X_PLL_SRC_MCLKI)
+                       pll_src = ADAV80X_PLL_CLK_SRC_PLL_MCLKI(pll_id);
+               else
+                       pll_src = ADAV80X_PLL_CLK_SRC_PLL_XIN(pll_id);
+
+               snd_soc_update_bits(codec, ADAV80X_PLL_CLK_SRC,
+                               ADAV80X_PLL_CLK_SRC_PLL_MASK(pll_id), pll_src);
+
+               adav80x->pll_src = source;
+
+               snd_soc_dapm_sync(&codec->dapm);
+       }
+
+       return 0;
+}
+
+static int adav80x_set_bias_level(struct snd_soc_codec *codec,
+               enum snd_soc_bias_level level)
+{
+       unsigned int mask = ADAV80X_DAC_CTRL1_PD;
+
+       switch (level) {
+       case SND_SOC_BIAS_ON:
+               break;
+       case SND_SOC_BIAS_PREPARE:
+               break;
+       case SND_SOC_BIAS_STANDBY:
+               snd_soc_update_bits(codec, ADAV80X_DAC_CTRL1, mask, 0x00);
+               break;
+       case SND_SOC_BIAS_OFF:
+               snd_soc_update_bits(codec, ADAV80X_DAC_CTRL1, mask, mask);
+               break;
+       }
+
+       codec->dapm.bias_level = level;
+       return 0;
+}
+
+/* Enforce the same sample rate on all audio interfaces */
+static int adav80x_dai_startup(struct snd_pcm_substream *substream,
+       struct snd_soc_dai *dai)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+       if (!codec->active || !adav80x->rate)
+               return 0;
+
+       return snd_pcm_hw_constraint_minmax(substream->runtime,
+                       SNDRV_PCM_HW_PARAM_RATE, adav80x->rate, adav80x->rate);
+}
+
+static void adav80x_dai_shutdown(struct snd_pcm_substream *substream,
+               struct snd_soc_dai *dai)
+{
+       struct snd_soc_codec *codec = dai->codec;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+       if (!codec->active)
+               adav80x->rate = 0;
+}
+
+static const struct snd_soc_dai_ops adav80x_dai_ops = {
+       .set_fmt = adav80x_set_dai_fmt,
+       .hw_params = adav80x_hw_params,
+       .startup = adav80x_dai_startup,
+       .shutdown = adav80x_dai_shutdown,
+};
+
+#define ADAV80X_PLAYBACK_RATES (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
+       SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_64000 | SNDRV_PCM_RATE_88200 | \
+       SNDRV_PCM_RATE_96000)
+
+#define ADAV80X_CAPTURE_RATES (SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
+
+#define ADAV80X_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE | \
+       SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE)
+
+static struct snd_soc_dai_driver adav80x_dais[] = {
+       {
+               .name = "adav80x-hifi",
+               .id = 0,
+               .playback = {
+                       .stream_name = "HiFi Playback",
+                       .channels_min = 2,
+                       .channels_max = 2,
+                       .rates = ADAV80X_PLAYBACK_RATES,
+                       .formats = ADAV80X_FORMATS,
+       },
+               .capture = {
+                       .stream_name = "HiFi Capture",
+                       .channels_min = 2,
+                       .channels_max = 2,
+                       .rates = ADAV80X_CAPTURE_RATES,
+                       .formats = ADAV80X_FORMATS,
+               },
+               .ops = &adav80x_dai_ops,
+       },
+       {
+               .name = "adav80x-aux",
+               .id = 1,
+               .playback = {
+                       .stream_name = "Aux Playback",
+                       .channels_min = 2,
+                       .channels_max = 2,
+                       .rates = ADAV80X_PLAYBACK_RATES,
+                       .formats = ADAV80X_FORMATS,
+               },
+               .capture = {
+                       .stream_name = "Aux Capture",
+                       .channels_min = 2,
+                       .channels_max = 2,
+                       .rates = ADAV80X_CAPTURE_RATES,
+                       .formats = ADAV80X_FORMATS,
+               },
+               .ops = &adav80x_dai_ops,
+       },
+};
+
+static int adav80x_probe(struct snd_soc_codec *codec)
+{
+       int ret;
+       struct adav80x *adav80x = snd_soc_codec_get_drvdata(codec);
+
+       ret = snd_soc_codec_set_cache_io(codec, 7, 9, adav80x->control_type);
+       if (ret) {
+               dev_err(codec->dev, "failed to set cache I/O: %d\n", ret);
+               return ret;
+       }
+
+       /* Force PLLs on for SYSCLK output */
+       snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL1");
+       snd_soc_dapm_force_enable_pin(&codec->dapm, "PLL2");
+
+       /* Power down S/PDIF receiver, since it is currently not supported */
+       snd_soc_write(codec, ADAV80X_PLL_OUTE, 0x20);
+       /* Disable DAC zero flag */
+       snd_soc_write(codec, ADAV80X_DAC_CTRL3, 0x6);
+
+       return adav80x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+}
+
+static int adav80x_suspend(struct snd_soc_codec *codec, pm_message_t state)
+{
+       return adav80x_set_bias_level(codec, SND_SOC_BIAS_OFF);
+}
+
+static int adav80x_resume(struct snd_soc_codec *codec)
+{
+       adav80x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+       codec->cache_sync = 1;
+       snd_soc_cache_sync(codec);
+
+       return 0;
+}
+
+static int adav80x_remove(struct snd_soc_codec *codec)
+{
+       return adav80x_set_bias_level(codec, SND_SOC_BIAS_OFF);
+}
+
+static struct snd_soc_codec_driver adav80x_codec_driver = {
+       .probe = adav80x_probe,
+       .remove = adav80x_remove,
+       .suspend = adav80x_suspend,
+       .resume = adav80x_resume,
+       .set_bias_level = adav80x_set_bias_level,
+
+       .set_pll = adav80x_set_pll,
+       .set_sysclk = adav80x_set_sysclk,
+
+       .reg_word_size = sizeof(u8),
+       .reg_cache_size = ARRAY_SIZE(adav80x_default_regs),
+       .reg_cache_default = adav80x_default_regs,
+
+       .controls = adav80x_controls,
+       .num_controls = ARRAY_SIZE(adav80x_controls),
+       .dapm_widgets = adav80x_dapm_widgets,
+       .num_dapm_widgets = ARRAY_SIZE(adav80x_dapm_widgets),
+       .dapm_routes = adav80x_dapm_routes,
+       .num_dapm_routes = ARRAY_SIZE(adav80x_dapm_routes),
+};
+
+static int __devinit adav80x_bus_probe(struct device *dev,
+               enum snd_soc_control_type control_type)
+{
+       struct adav80x *adav80x;
+       int ret;
+
+       adav80x = kzalloc(sizeof(*adav80x), GFP_KERNEL);
+       if (!adav80x)
+               return -ENOMEM;
+
+       dev_set_drvdata(dev, adav80x);
+       adav80x->control_type = control_type;
+
+       ret = snd_soc_register_codec(dev, &adav80x_codec_driver,
+               adav80x_dais, ARRAY_SIZE(adav80x_dais));
+       if (ret)
+               kfree(adav80x);
+
+       return ret;
+}
+
+static int __devexit adav80x_bus_remove(struct device *dev)
+{
+       snd_soc_unregister_codec(dev);
+       kfree(dev_get_drvdata(dev));
+       return 0;
+}
+
+#if defined(CONFIG_SPI_MASTER)
+static int __devinit adav80x_spi_probe(struct spi_device *spi)
+{
+       return adav80x_bus_probe(&spi->dev, SND_SOC_SPI);
+}
+
+static int __devexit adav80x_spi_remove(struct spi_device *spi)
+{
+       return adav80x_bus_remove(&spi->dev);
+}
+
+static struct spi_driver adav80x_spi_driver = {
+       .driver = {
+               .name   = "adav801",
+               .owner  = THIS_MODULE,
+       },
+       .probe          = adav80x_spi_probe,
+       .remove         = __devexit_p(adav80x_spi_remove),
+};
+#endif
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+static const struct i2c_device_id adav80x_id[] = {
+       { "adav803", 0 },
+       { }
+};
+MODULE_DEVICE_TABLE(i2c, adav80x_id);
+
+static int __devinit adav80x_i2c_probe(struct i2c_client *client,
+               const struct i2c_device_id *id)
+{
+       return adav80x_bus_probe(&client->dev, SND_SOC_I2C);
+}
+
+static int __devexit adav80x_i2c_remove(struct i2c_client *client)
+{
+       return adav80x_bus_remove(&client->dev);
+}
+
+static struct i2c_driver adav80x_i2c_driver = {
+       .driver = {
+               .name = "adav803",
+               .owner = THIS_MODULE,
+       },
+       .probe = adav80x_i2c_probe,
+       .remove = __devexit_p(adav80x_i2c_remove),
+       .id_table = adav80x_id,
+};
+#endif
+
+static int __init adav80x_init(void)
+{
+       int ret = 0;
+
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+       ret = i2c_add_driver(&adav80x_i2c_driver);
+       if (ret)
+               return ret;
+#endif
+
+#if defined(CONFIG_SPI_MASTER)
+       ret = spi_register_driver(&adav80x_spi_driver);
+#endif
+
+       return ret;
+}
+module_init(adav80x_init);
+
+static void __exit adav80x_exit(void)
+{
+#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+       i2c_del_driver(&adav80x_i2c_driver);
+#endif
+#if defined(CONFIG_SPI_MASTER)
+       spi_unregister_driver(&adav80x_spi_driver);
+#endif
+}
+module_exit(adav80x_exit);
+
+MODULE_DESCRIPTION("ASoC ADAV80x driver");
+MODULE_AUTHOR("Lars-Peter Clausen <lars@metafoo.de>");
+MODULE_AUTHOR("Yi Li <yi.li@analog.com>>");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/codecs/adav80x.h b/sound/soc/codecs/adav80x.h
new file mode 100644 (file)
index 0000000..adb0fc7
--- /dev/null
@@ -0,0 +1,35 @@
+/*
+ * header file for ADAV80X parts
+ *
+ * Copyright 2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _ADAV80X_H
+#define _ADAV80X_H
+
+enum adav80x_pll_src {
+       ADAV80X_PLL_SRC_XIN,
+       ADAV80X_PLL_SRC_XTAL,
+       ADAV80X_PLL_SRC_MCLKI,
+};
+
+enum adav80x_pll {
+       ADAV80X_PLL1 = 0,
+       ADAV80X_PLL2 = 1,
+};
+
+enum adav80x_clk_src {
+       ADAV80X_CLK_XIN = 0,
+       ADAV80X_CLK_MCLKI = 1,
+       ADAV80X_CLK_PLL1 = 2,
+       ADAV80X_CLK_PLL2 = 3,
+       ADAV80X_CLK_XTAL = 6,
+
+       ADAV80X_CLK_SYSCLK1 = 6,
+       ADAV80X_CLK_SYSCLK2 = 7,
+       ADAV80X_CLK_SYSCLK3 = 8,
+};
+
+#endif