Deleted: trunk/sound/soc/codecs/ad1836.c (9623 => 9624)
--- trunk/sound/soc/codecs/ad1836.c 2011-02-23 02:11:23 UTC (rev 9623)
+++ trunk/sound/soc/codecs/ad1836.c 2011-02-23 07:02:24 UTC (rev 9624)
@@ -1,339 +0,0 @@
-/*
- * File: sound/soc/codecs/ad1836.c
- * Author: Barry Song <[email protected]>
- *
- * Created: Aug 04 2009
- * Description: Driver for AD1836 sound chip
- *
- * Modified:
- * Copyright 2009 Analog Devices Inc.
- *
- * Bugs: Enter bugs at http://blackfin.uclinux.org/
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/device.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/initval.h>
-#include <sound/soc.h>
-#include <sound/tlv.h>
-#include <sound/soc-dapm.h>
-#include <linux/spi/spi.h>
-#include "ad1836.h"
-
-/* codec private data */
-struct ad1836_priv {
- enum snd_soc_control_type control_type;
- void *control_data;
-};
-
-/*
- * AD1836 volume/mute/de-emphasis etc. controls
- */
-static const char *ad1836_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"};
-
-static const struct soc_enum ad1836_deemp_enum =
- SOC_ENUM_SINGLE(AD1836_DAC_CTRL1, 8, 4, ad1836_deemp);
-
-static const struct snd_kcontrol_new ad1836_snd_controls[] = {
- /* DAC volume control */
- SOC_DOUBLE_R("DAC1 Volume", AD1836_DAC_L1_VOL,
- AD1836_DAC_R1_VOL, 0, 0x3FF, 0),
- SOC_DOUBLE_R("DAC2 Volume", AD1836_DAC_L2_VOL,
- AD1836_DAC_R2_VOL, 0, 0x3FF, 0),
- SOC_DOUBLE_R("DAC3 Volume", AD1836_DAC_L3_VOL,
- AD1836_DAC_R3_VOL, 0, 0x3FF, 0),
-
- /* ADC switch control */
- SOC_DOUBLE("ADC1 Switch", AD1836_ADC_CTRL2, AD1836_ADCL1_MUTE,
- AD1836_ADCR1_MUTE, 1, 1),
- SOC_DOUBLE("ADC2 Switch", AD1836_ADC_CTRL2, AD1836_ADCL2_MUTE,
- AD1836_ADCR2_MUTE, 1, 1),
-
- /* DAC switch control */
- SOC_DOUBLE("DAC1 Switch", AD1836_DAC_CTRL2, AD1836_DACL1_MUTE,
- AD1836_DACR1_MUTE, 1, 1),
- SOC_DOUBLE("DAC2 Switch", AD1836_DAC_CTRL2, AD1836_DACL2_MUTE,
- AD1836_DACR2_MUTE, 1, 1),
- SOC_DOUBLE("DAC3 Switch", AD1836_DAC_CTRL2, AD1836_DACL3_MUTE,
- AD1836_DACR3_MUTE, 1, 1),
-
- /* ADC high-pass filter */
- SOC_SINGLE("ADC High Pass Filter Switch", AD1836_ADC_CTRL1,
- AD1836_ADC_HIGHPASS_FILTER, 1, 0),
-
- /* DAC de-emphasis */
- SOC_ENUM("Playback Deemphasis", ad1836_deemp_enum),
-};
-
-static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = {
- SND_SOC_DAPM_DAC("DAC", "Playback", AD1836_DAC_CTRL1,
- AD1836_DAC_POWERDOWN, 1),
- SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
- SND_SOC_DAPM_SUPPLY("ADC_PWR", AD1836_ADC_CTRL1,
- AD1836_ADC_POWERDOWN, 1, NULL, 0),
- SND_SOC_DAPM_OUTPUT("DAC1OUT"),
- SND_SOC_DAPM_OUTPUT("DAC2OUT"),
- SND_SOC_DAPM_OUTPUT("DAC3OUT"),
- SND_SOC_DAPM_INPUT("ADC1IN"),
- SND_SOC_DAPM_INPUT("ADC2IN"),
-};
-
-static const struct snd_soc_dapm_route audio_paths[] = {
- { "DAC", NULL, "ADC_PWR" },
- { "ADC", NULL, "ADC_PWR" },
- { "DAC1OUT", "DAC1 Switch", "DAC" },
- { "DAC2OUT", "DAC2 Switch", "DAC" },
- { "DAC3OUT", "DAC3 Switch", "DAC" },
- { "ADC", "ADC1 Switch", "ADC1IN" },
- { "ADC", "ADC2 Switch", "ADC2IN" },
-};
-
-/*
- * DAI ops entries
- */
-
-static int ad1836_set_dai_fmt(struct snd_soc_dai *codec_dai,
- unsigned int fmt)
-{
- switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
- /* at present, we support adc aux mode to interface with
- * blackfin sport tdm mode
- */
- case SND_SOC_DAIFMT_DSP_A:
- break;
- default:
- return -EINVAL;
- }
-
- switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
- case SND_SOC_DAIFMT_IB_IF:
- break;
- default:
- return -EINVAL;
- }
-
- switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
- /* ALCLK,ABCLK are both output, AD1836 can only be master */
- case SND_SOC_DAIFMT_CBM_CFM:
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int ad1836_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params,
- struct snd_soc_dai *dai)
-{
- int word_len = 0;
-
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
-
- /* bit size */
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S16_LE:
- word_len = 3;
- break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- word_len = 1;
- break;
- case SNDRV_PCM_FORMAT_S24_LE:
- case SNDRV_PCM_FORMAT_S32_LE:
- word_len = 0;
- break;
- }
-
- snd_soc_update_bits(codec, AD1836_DAC_CTRL1,
- AD1836_DAC_WORD_LEN_MASK, word_len);
-
- snd_soc_update_bits(codec, AD1836_ADC_CTRL2,
- AD1836_ADC_WORD_LEN_MASK, word_len);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-static int ad1836_soc_suspend(struct snd_soc_codec *codec,
- pm_message_t state)
-{
- /* reset clock control mode */
- u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
- adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
-
- return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
-}
-
-static int ad1836_soc_resume(struct snd_soc_codec *codec)
-{
- /* restore clock control mode */
- u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
- adc_ctrl2 |= AD1836_ADC_AUX;
-
- return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
-}
-#else
-#define ad1836_soc_suspend NULL
-#define ad1836_soc_resume NULL
-#endif
-
-static struct snd_soc_dai_ops ad1836_dai_ops = {
- .hw_params = ad1836_hw_params,
- .set_fmt = ad1836_set_dai_fmt,
-};
-
-/* codec DAI instance */
-static struct snd_soc_dai_driver ad1836_dai = {
- .name = "ad1836-hifi",
- .playback = {
- .stream_name = "Playback",
- .channels_min = 2,
- .channels_max = 6,
- .rates = SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
- },
- .capture = {
- .stream_name = "Capture",
- .channels_min = 2,
- .channels_max = 4,
- .rates = SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
- SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
- },
- .ops = &ad1836_dai_ops,
-};
-
-static int ad1836_probe(struct snd_soc_codec *codec)
-{
- struct ad1836_priv *ad1836 = snd_soc_codec_get_drvdata(codec);
- int ret = 0;
-
- codec->control_data = ad1836->control_data;
- ret = snd_soc_codec_set_cache_io(codec, 4, 12, SND_SOC_SPI);
- if (ret < 0) {
- dev_err(codec->dev, "failed to set cache I/O: %d\n",
- ret);
- kfree(ad1836);
- return ret;
- }
-
- /* default setting for ad1836 */
- /* de-emphasis: 48kHz, power-on dac */
- snd_soc_write(codec, AD1836_DAC_CTRL1, 0x300);
- /* unmute dac channels */
- snd_soc_write(codec, AD1836_DAC_CTRL2, 0x0);
- /* high-pass filter enable, power-on adc */
- snd_soc_write(codec, AD1836_ADC_CTRL1, 0x100);
- /* unmute adc channles, adc aux mode */
- snd_soc_write(codec, AD1836_ADC_CTRL2, 0x180);
- /* left/right diff:PGA/MUX */
- snd_soc_write(codec, AD1836_ADC_CTRL3, 0x3A);
- /* volume */
- snd_soc_write(codec, AD1836_DAC_L1_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_R1_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_L2_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_R2_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_L3_VOL, 0x3FF);
- snd_soc_write(codec, AD1836_DAC_R3_VOL, 0x3FF);
-
- snd_soc_add_controls(codec, ad1836_snd_controls,
- ARRAY_SIZE(ad1836_snd_controls));
- snd_soc_dapm_new_controls(codec, ad1836_dapm_widgets,
- ARRAY_SIZE(ad1836_dapm_widgets));
- snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths));
-
- return ret;
-}
-
-/* power down chip */
-static int ad1836_remove(struct snd_soc_codec *codec)
-{
- /* reset clock control mode */
- u16 adc_ctrl2 = snd_soc_read(codec, AD1836_ADC_CTRL2);
- adc_ctrl2 &= ~AD1836_ADC_SERFMT_MASK;
-
- return snd_soc_write(codec, AD1836_ADC_CTRL2, adc_ctrl2);
-}
-
-static struct snd_soc_codec_driver soc_codec_dev_ad1836 = {
- .probe = ad1836_probe,
- .remove = ad1836_remove,
- .suspend = ad1836_soc_suspend,
- .resume = ad1836_soc_resume,
- .reg_cache_size = AD1836_NUM_REGS,
- .reg_word_size = sizeof(u16),
-};
-
-static int __devinit ad1836_spi_probe(struct spi_device *spi)
-{
- struct ad1836_priv *ad1836;
- int ret;
-
- ad1836 = kzalloc(sizeof(struct ad1836_priv), GFP_KERNEL);
- if (ad1836 == NULL)
- return -ENOMEM;
-
- spi_set_drvdata(spi, ad1836);
- ad1836->control_data = spi;
- ad1836->control_type = SND_SOC_SPI;
-
- ret = snd_soc_register_codec(&spi->dev,
- &soc_codec_dev_ad1836, &ad1836_dai, 1);
- if (ret < 0)
- kfree(ad1836);
- return ret;
-}
-
-static int __devexit ad1836_spi_remove(struct spi_device *spi)
-{
- snd_soc_unregister_codec(&spi->dev);
- kfree(spi_get_drvdata(spi));
- return 0;
-}
-
-static struct spi_driver ad1836_spi_driver = {
- .driver = {
- .name = "ad1836-codec",
- .owner = THIS_MODULE,
- },
- .probe = ad1836_spi_probe,
- .remove = __devexit_p(ad1836_spi_remove),
-};
-
-static int __init ad1836_init(void)
-{
- int ret;
-
- ret = spi_register_driver(&ad1836_spi_driver);
- if (ret != 0) {
- printk(KERN_ERR "Failed to register ad1836 SPI driver: %d\n",
- ret);
- }
-
- return ret;
-}
-module_init(ad1836_init);
-
-static void __exit ad1836_exit(void)
-{
- spi_unregister_driver(&ad1836_spi_driver);
-}
-module_exit(ad1836_exit);
-
-MODULE_DESCRIPTION("ASoC ad1836 driver");
-MODULE_AUTHOR("Barry Song <[email protected]>");
-MODULE_LICENSE("GPL");
Added: trunk/sound/soc/codecs/ad183x.c (0 => 9624)
--- trunk/sound/soc/codecs/ad183x.c (rev 0)
+++ trunk/sound/soc/codecs/ad183x.c 2011-02-23 07:02:24 UTC (rev 9624)
@@ -0,0 +1,474 @@
+/*
+ * AD183X Audio Codec driver supporting AD1835A, AD1836, AD1837A, AD1838A, AD1839A
+ *
+ * Copyright 2009-2010 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+#include <sound/tlv.h>
+#include <sound/soc-dapm.h>
+#include <linux/spi/spi.h>
+#include "ad183x.h"
+
+/* codec private data */
+struct ad183x_chl_ctrls {
+ struct snd_kcontrol_new *snd_ctrls;
+ struct snd_soc_dapm_widget *dapm_widgets;
+ struct snd_soc_dapm_route *audio_paths;
+ int ctrl_num;
+ int widget_num;
+ int path_num;
+};
+
+struct ad183x_priv {
+ enum snd_soc_control_type control_type;
+ struct ad183x_chl_ctrls chl_ctrl;
+};
+
+/*
+ * AD183X volume/mute/de-emphasis etc. controls
+ */
+static const char *ad183x_deemp[] = {"None", "44.1kHz", "32kHz", "48kHz"};
+
+static const struct soc_enum ad183x_deemp_enum =
+SOC_ENUM_SINGLE(AD183X_DAC_CTRL1, 8, 4, ad183x_deemp);
+
+/* AD1835A/AD1837A: 4 stereo DAC, 1 stereo ADC; */
+static const struct snd_kcontrol_new ad1835a_ad1837a_snd_controls[] = {
+ /* DAC volume control */
+ SOC_DOUBLE_R("DAC1 Volume", AD183X_DAC_L1_VOL,
+ AD183X_DAC_R1_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC2 Volume", AD183X_DAC_L2_VOL,
+ AD183X_DAC_R2_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC3 Volume", AD183X_DAC_L3_VOL,
+ AD183X_DAC_R3_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC4 Volume", AD183X_DAC_L4_VOL,
+ AD183X_DAC_R4_VOL, 0, 0x3FF, 0),
+
+ /* ADC switch control */
+ SOC_DOUBLE("ADC1 Switch", AD183X_ADC_CTRL2, AD183X_ADCL1_MUTE,
+ AD183X_ADCR1_MUTE, 1, 1),
+
+ /* DAC switch control */
+ SOC_DOUBLE("DAC1 Switch", AD183X_DAC_CTRL2, AD183X_DACL1_MUTE,
+ AD183X_DACR1_MUTE, 1, 1),
+ SOC_DOUBLE("DAC2 Switch", AD183X_DAC_CTRL2, AD183X_DACL2_MUTE,
+ AD183X_DACR2_MUTE, 1, 1),
+ SOC_DOUBLE("DAC3 Switch", AD183X_DAC_CTRL2, AD183X_DACL3_MUTE,
+ AD183X_DACR3_MUTE, 1, 1),
+ SOC_DOUBLE("DAC4 Switch", AD183X_DAC_CTRL2, AD183X_DACL4_MUTE,
+ AD183X_DACR4_MUTE, 1, 1),
+
+ /* ADC high-pass filter */
+ SOC_SINGLE("ADC High Pass Filter Switch", AD183X_ADC_CTRL1,
+ AD183X_ADC_HIGHPASS_FILTER, 1, 0),
+
+ /* DAC de-emphasis */
+ SOC_ENUM("Playback Deemphasis", ad183x_deemp_enum),
+};
+
+static const struct snd_soc_dapm_widget ad1835a_ad1837a_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("DAC", "Playback", AD183X_DAC_CTRL1,
+ AD183X_DAC_POWERDOWN, 1),
+ SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SUPPLY("ADC_PWR", AD183X_ADC_CTRL1,
+ AD183X_ADC_POWERDOWN, 1, NULL, 0),
+ SND_SOC_DAPM_OUTPUT("DAC1OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC2OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC3OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC4OUT"),
+ SND_SOC_DAPM_INPUT("ADC1IN"),
+};
+
+static const struct snd_soc_dapm_route ad1835a_ad1837a_audio_paths[] = {
+ { "DAC", NULL, "ADC_PWR" },
+ { "ADC", NULL, "ADC_PWR" },
+ { "DAC1OUT", "DAC1 Switch", "DAC" },
+ { "DAC2OUT", "DAC2 Switch", "DAC" },
+ { "DAC3OUT", "DAC3 Switch", "DAC" },
+ { "DAC3OUT", "DAC4 Switch", "DAC" },
+ { "ADC", "ADC1 Switch", "ADC1IN" },
+};
+
+/* AD1836: 3 stereo DAC, 2 stereo ADC; */
+static const struct snd_kcontrol_new ad1836_snd_controls[] = {
+ /* DAC volume control */
+ SOC_DOUBLE_R("DAC1 Volume", AD183X_DAC_L1_VOL,
+ AD183X_DAC_R1_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC2 Volume", AD183X_DAC_L2_VOL,
+ AD183X_DAC_R2_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC3 Volume", AD183X_DAC_L3_VOL,
+ AD183X_DAC_R3_VOL, 0, 0x3FF, 0),
+
+ /* ADC switch control */
+ SOC_DOUBLE("ADC1 Switch", AD183X_ADC_CTRL2, AD183X_ADCL1_MUTE,
+ AD183X_ADCR1_MUTE, 1, 1),
+ SOC_DOUBLE("ADC2 Switch", AD183X_ADC_CTRL2, AD183X_ADCL2_MUTE,
+ AD183X_ADCR2_MUTE, 1, 1),
+
+ /* DAC switch control */
+ SOC_DOUBLE("DAC1 Switch", AD183X_DAC_CTRL2, AD183X_DACL1_MUTE,
+ AD183X_DACR1_MUTE, 1, 1),
+ SOC_DOUBLE("DAC2 Switch", AD183X_DAC_CTRL2, AD183X_DACL2_MUTE,
+ AD183X_DACR2_MUTE, 1, 1),
+ SOC_DOUBLE("DAC3 Switch", AD183X_DAC_CTRL2, AD183X_DACL3_MUTE,
+ AD183X_DACR3_MUTE, 1, 1),
+
+ /* ADC high-pass filter */
+ SOC_SINGLE("ADC High Pass Filter Switch", AD183X_ADC_CTRL1,
+ AD183X_ADC_HIGHPASS_FILTER, 1, 0),
+
+ /* DAC de-emphasis */
+ SOC_ENUM("Playback Deemphasis", ad183x_deemp_enum),
+};
+
+static const struct snd_soc_dapm_widget ad1836_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("DAC", "Playback", AD183X_DAC_CTRL1,
+ AD183X_DAC_POWERDOWN, 1),
+ SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SUPPLY("ADC_PWR", AD183X_ADC_CTRL1,
+ AD183X_ADC_POWERDOWN, 1, NULL, 0),
+ SND_SOC_DAPM_OUTPUT("DAC1OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC2OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC3OUT"),
+ SND_SOC_DAPM_INPUT("ADC1IN"),
+ SND_SOC_DAPM_INPUT("ADC2IN"),
+};
+
+static const struct snd_soc_dapm_route ad1836_audio_paths[] = {
+ { "DAC", NULL, "ADC_PWR" },
+ { "ADC", NULL, "ADC_PWR" },
+ { "DAC1OUT", "DAC1 Switch", "DAC" },
+ { "DAC2OUT", "DAC2 Switch", "DAC" },
+ { "DAC3OUT", "DAC3 Switch", "DAC" },
+ { "ADC", "ADC1 Switch", "ADC1IN" },
+ { "ADC", "ADC2 Switch", "ADC2IN" },
+};
+
+/* AD1838A/AD1939A: 3 stereo DAC, 1 stereo ADC; */
+static const struct snd_kcontrol_new ad1838a_ad1839a_snd_controls[] = {
+ /* DAC volume control */
+ SOC_DOUBLE_R("DAC1 Volume", AD183X_DAC_L1_VOL,
+ AD183X_DAC_R1_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC2 Volume", AD183X_DAC_L2_VOL,
+ AD183X_DAC_R2_VOL, 0, 0x3FF, 0),
+ SOC_DOUBLE_R("DAC3 Volume", AD183X_DAC_L3_VOL,
+ AD183X_DAC_R3_VOL, 0, 0x3FF, 0),
+
+ /* ADC switch control */
+ SOC_DOUBLE("ADC1 Switch", AD183X_ADC_CTRL2, AD183X_ADCL1_MUTE,
+ AD183X_ADCR1_MUTE, 1, 1),
+
+ /* DAC switch control */
+ SOC_DOUBLE("DAC1 Switch", AD183X_DAC_CTRL2, AD183X_DACL1_MUTE,
+ AD183X_DACR1_MUTE, 1, 1),
+ SOC_DOUBLE("DAC2 Switch", AD183X_DAC_CTRL2, AD183X_DACL2_MUTE,
+ AD183X_DACR2_MUTE, 1, 1),
+ SOC_DOUBLE("DAC3 Switch", AD183X_DAC_CTRL2, AD183X_DACL3_MUTE,
+ AD183X_DACR3_MUTE, 1, 1),
+
+ /* ADC high-pass filter */
+ SOC_SINGLE("ADC High Pass Filter Switch", AD183X_ADC_CTRL1,
+ AD183X_ADC_HIGHPASS_FILTER, 1, 0),
+
+ /* DAC de-emphasis */
+ SOC_ENUM("Playback Deemphasis", ad183x_deemp_enum),
+};
+
+static const struct snd_soc_dapm_widget ad1838a_ad1839a_dapm_widgets[] = {
+ SND_SOC_DAPM_DAC("DAC", "Playback", AD183X_DAC_CTRL1,
+ AD183X_DAC_POWERDOWN, 1),
+ SND_SOC_DAPM_ADC("ADC", "Capture", SND_SOC_NOPM, 0, 0),
+ SND_SOC_DAPM_SUPPLY("ADC_PWR", AD183X_ADC_CTRL1,
+ AD183X_ADC_POWERDOWN, 1, NULL, 0),
+ SND_SOC_DAPM_OUTPUT("DAC1OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC2OUT"),
+ SND_SOC_DAPM_OUTPUT("DAC3OUT"),
+ SND_SOC_DAPM_INPUT("ADC1IN"),
+};
+
+static const struct snd_soc_dapm_route ad1838a_ad1839a_audio_paths[] = {
+ { "DAC", NULL, "ADC_PWR" },
+ { "ADC", NULL, "ADC_PWR" },
+ { "DAC1OUT", "DAC1 Switch", "DAC" },
+ { "DAC2OUT", "DAC2 Switch", "DAC" },
+ { "DAC3OUT", "DAC3 Switch", "DAC" },
+ { "ADC", "ADC1 Switch", "ADC1IN" },
+};
+
+/*
+ * DAI ops entries
+ */
+
+static int ad183x_set_dai_fmt(struct snd_soc_dai *codec_dai,
+ unsigned int fmt)
+{
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ /* at present, we support adc aux mode to interface with
+ * blackfin sport tdm mode
+ */
+ case SND_SOC_DAIFMT_DSP_A:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_IB_IF:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ /* ALCLK,ABCLK are both output, AD183X can only be master */
+ case SND_SOC_DAIFMT_CBM_CFM:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int ad183x_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params,
+ struct snd_soc_dai *dai)
+{
+ int word_len = 0;
+
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->codec;
+
+ /* bit size */
+ switch (params_format(params)) {
+ case SNDRV_PCM_FORMAT_S16_LE:
+ word_len = 3;
+ break;
+ case SNDRV_PCM_FORMAT_S20_3LE:
+ word_len = 1;
+ break;
+ case SNDRV_PCM_FORMAT_S24_LE:
+ case SNDRV_PCM_FORMAT_S32_LE:
+ word_len = 0;
+ break;
+ }
+
+ snd_soc_update_bits(codec, AD183X_DAC_CTRL1,
+ AD183X_DAC_WORD_LEN_MASK, word_len);
+
+ snd_soc_update_bits(codec, AD183X_ADC_CTRL2,
+ AD183X_ADC_WORD_LEN_MASK, word_len);
+ return 0;
+}
+
+static struct snd_soc_dai_ops ad183x_dai_ops = {
+ .hw_params = ad183x_hw_params,
+ .set_fmt = ad183x_set_dai_fmt,
+};
+
+/* codec DAI instance */
+static struct snd_soc_dai_driver ad183x_dai = {
+ .name = "ad183x-hifi",
+ .playback = {
+ .stream_name = "Playback",
+ .channels_min = 2,
+ .channels_max = 6,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+ .capture = {
+ .stream_name = "Capture",
+ .channels_min = 2,
+ .channels_max = 4,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S24_LE,
+ },
+ .ops = &ad183x_dai_ops,
+};
+
+static int ad183x_suspend(struct snd_soc_codec *codec, pm_message_t state)
+{
+ /* reset clock control mode */
+ u16 adc_ctrl2 = snd_soc_read(codec, AD183X_ADC_CTRL2);
+ adc_ctrl2 &= ~AD183X_ADC_SERFMT_MASK;
+
+ return snd_soc_write(codec, AD183X_ADC_CTRL2, adc_ctrl2);
+}
+
+static int ad183x_resume(struct snd_soc_codec *codec)
+{
+ /* restore clock control mode */
+ u16 adc_ctrl2 = snd_soc_read(codec, AD183X_ADC_CTRL2);
+ adc_ctrl2 |= AD183X_ADC_AUX;
+
+ return snd_soc_write(codec, AD183X_ADC_CTRL2, adc_ctrl2);
+}
+
+static int ad183x_probe(struct snd_soc_codec *codec)
+{
+ struct ad183x_priv *ad183x = snd_soc_codec_get_drvdata(codec);
+ struct ad183x_chl_ctrls *chl_ctrl;
+ int ret;
+
+ ret = snd_soc_codec_set_cache_io(codec, 4, 12, ad183x->control_type);
+ if (ret < 0) {
+ dev_err(codec->dev, "failed to set cache I/O: %d\n", ret);
+ return ret;
+ }
+
+ /* default setting for ad183x */
+ /* de-emphasis: 48kHz, power-on dac */
+ snd_soc_write(codec, AD183X_DAC_CTRL1, 0x300);
+ /* unmute dac channels */
+ snd_soc_write(codec, AD183X_DAC_CTRL2, 0x0);
+ /* high-pass filter enable, power-on adc */
+ snd_soc_write(codec, AD183X_ADC_CTRL1, 0x100);
+ /* unmute adc channles, adc aux mode */
+ snd_soc_write(codec, AD183X_ADC_CTRL2, 0x180);
+ /* left/right diff:PGA/MUX */
+ snd_soc_write(codec, AD183X_ADC_CTRL3, 0x3A);
+ /* volume */
+ snd_soc_write(codec, AD183X_DAC_L1_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_R1_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_L2_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_R2_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_L3_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_R3_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_L4_VOL, 0x3FF);
+ snd_soc_write(codec, AD183X_DAC_R4_VOL, 0x3FF);
+
+ chl_ctrl = &ad183x->chl_ctrl;
+
+ snd_soc_add_controls(codec, chl_ctrl->snd_ctrls, chl_ctrl->ctrl_num);
+ snd_soc_dapm_new_controls(codec, chl_ctrl->dapm_widgets, chl_ctrl->widget_num);
+ snd_soc_dapm_add_routes(codec, chl_ctrl->audio_paths, chl_ctrl->path_num);
+
+ return 0;
+}
+
+/* power down chip */
+static int ad183x_remove(struct snd_soc_codec *codec)
+{
+ return 0;
+}
+
+static struct snd_soc_codec_driver soc_codec_dev_ad183x = {
+ .probe = ad183x_probe,
+ .remove = ad183x_remove,
+ .suspend = ad183x_suspend,
+ .resume = ad183x_resume,
+ .reg_cache_size = AD183X_NUM_REGS,
+ .reg_word_size = sizeof(u16),
+};
+
+static int __devinit ad183x_spi_probe(struct spi_device *spi)
+{
+ struct ad183x_priv *ad183x;
+ int ret;
+ char *chip_name = spi->dev.platform_data;
+
+ if (!chip_name)
+ return -ENODEV;
+
+ ad183x = kzalloc(sizeof(struct ad183x_priv), GFP_KERNEL);
+ if (ad183x == NULL)
+ return -ENOMEM;
+
+ if ((strcmp(chip_name, "ad1835a") == 0) || (strcmp(chip_name, "ad1837a") == 0)) {
+ ad183x->chl_ctrl.snd_ctrls = (struct snd_kcontrol_new *)ad1835a_ad1837a_snd_controls;
+ ad183x->chl_ctrl.dapm_widgets = (struct snd_soc_dapm_widget *)ad1835a_ad1837a_dapm_widgets;
+ ad183x->chl_ctrl.audio_paths = (struct snd_soc_dapm_route *)ad1835a_ad1837a_audio_paths;
+ ad183x->chl_ctrl.ctrl_num = ARRAY_SIZE(ad1835a_ad1837a_snd_controls);
+ ad183x->chl_ctrl.widget_num = ARRAY_SIZE(ad1835a_ad1837a_dapm_widgets);
+ ad183x->chl_ctrl.path_num = ARRAY_SIZE(ad1835a_ad1837a_audio_paths);
+ ad183x_dai.playback.channels_max = 8;
+ ad183x_dai.capture.channels_max = 2;
+ } else if ((strcmp(chip_name, "ad1838a") == 0) || (strcmp(chip_name, "ad1839a") == 0)) {
+ ad183x->chl_ctrl.snd_ctrls = (struct snd_kcontrol_new *)ad1838a_ad1839a_snd_controls;
+ ad183x->chl_ctrl.dapm_widgets = (struct snd_soc_dapm_widget *)ad1838a_ad1839a_dapm_widgets;
+ ad183x->chl_ctrl.audio_paths = (struct snd_soc_dapm_route *)ad1838a_ad1839a_audio_paths;
+ ad183x->chl_ctrl.ctrl_num = ARRAY_SIZE(ad1838a_ad1839a_snd_controls);
+ ad183x->chl_ctrl.widget_num = ARRAY_SIZE(ad1838a_ad1839a_dapm_widgets);
+ ad183x->chl_ctrl.path_num = ARRAY_SIZE(ad1838a_ad1839a_audio_paths);
+ ad183x_dai.playback.channels_max = 6;
+ ad183x_dai.capture.channels_max = 2;
+ } else if (strcmp(chip_name, "ad1836") == 0) {
+ ad183x->chl_ctrl.snd_ctrls = (struct snd_kcontrol_new *)ad1836_snd_controls;
+ ad183x->chl_ctrl.dapm_widgets = (struct snd_soc_dapm_widget *)ad1836_dapm_widgets;
+ ad183x->chl_ctrl.audio_paths = (struct snd_soc_dapm_route *)ad1836_audio_paths;
+ ad183x->chl_ctrl.ctrl_num = ARRAY_SIZE(ad1836_snd_controls);
+ ad183x->chl_ctrl.widget_num = ARRAY_SIZE(ad1836_dapm_widgets);
+ ad183x->chl_ctrl.path_num = ARRAY_SIZE(ad1836_audio_paths);
+ ad183x_dai.playback.channels_max = 6;
+ ad183x_dai.capture.channels_max = 4;
+ } else {
+ dev_err(&spi->dev, "not supported chip type\n");
+ return -EINVAL;
+ }
+
+ spi_set_drvdata(spi, ad183x);
+ ad183x->control_type = SND_SOC_SPI;
+ ret = snd_soc_register_codec(&spi->dev,
+ &soc_codec_dev_ad183x, &ad183x_dai, 1);
+
+ if (ret < 0)
+ kfree(ad183x);
+ return ret;
+}
+
+static int __devexit ad183x_spi_remove(struct spi_device *spi)
+{
+ snd_soc_unregister_codec(&spi->dev);
+ kfree(spi_get_drvdata(spi));
+
+ return 0;
+}
+
+static struct spi_driver ad183x_spi_driver = {
+ .driver = {
+ .name = "ad183x-codec",
+ .owner = THIS_MODULE,
+ },
+ .probe = ad183x_spi_probe,
+ .remove = __devexit_p(ad183x_spi_remove),
+};
+
+static int __init ad183x_init(void)
+{
+ int ret = 0;
+#if defined(CONFIG_SPI_MASTER)
+ ret = spi_register_driver(&ad183x_spi_driver);
+ if (ret != 0) {
+ printk(KERN_ERR "Failed to register ad183x SPI driver: %d\n",
+ ret);
+ }
+#endif
+ return ret;
+}
+module_init(ad183x_init);
+
+static void __exit ad183x_exit(void)
+{
+#if defined(CONFIG_SPI_MASTER)
+ spi_unregister_driver(&ad183x_spi_driver);
+#endif
+}
+module_exit(ad183x_exit);
+
+MODULE_DESCRIPTION("ASoC ad183x driver");
+MODULE_AUTHOR("Barry Song <[email protected]>");
+MODULE_LICENSE("GPL");
