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-rw-r--r--sound/soc/pxa/Kconfig60
-rw-r--r--sound/soc/pxa/Makefile20
-rw-r--r--sound/soc/pxa/corgi.c383
-rw-r--r--sound/soc/pxa/poodle.c352
-rw-r--r--sound/soc/pxa/pxa2xx-ac97.c431
-rw-r--r--sound/soc/pxa/pxa2xx-ac97.h22
-rw-r--r--sound/soc/pxa/pxa2xx-i2s.c318
-rw-r--r--sound/soc/pxa/pxa2xx-i2s.h20
-rw-r--r--sound/soc/pxa/pxa2xx-pcm.c372
-rw-r--r--sound/soc/pxa/pxa2xx-pcm.h34
-rw-r--r--sound/soc/pxa/spitz.c394
-rw-r--r--sound/soc/pxa/tosa.c289
12 files changed, 2695 insertions, 0 deletions
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
new file mode 100644
index 00000000000..579e1c8d2b2
--- /dev/null
+++ b/sound/soc/pxa/Kconfig
@@ -0,0 +1,60 @@
+menu "SoC Audio for the Intel PXA2xx"
+
+config SND_PXA2XX_SOC
+ tristate "SoC Audio for the Intel PXA2xx chip"
+ depends on ARCH_PXA && SND
+ select SND_PCM
+ help
+ Say Y or M if you want to add support for codecs attached to
+ the PXA2xx AC97, I2S or SSP interface. You will also need
+ to select the audio interfaces to support below.
+
+config SND_PXA2XX_AC97
+ tristate
+ select SND_AC97_CODEC
+
+config SND_PXA2XX_SOC_AC97
+ tristate
+ select AC97_BUS
+ select SND_SOC_AC97_BUS
+
+config SND_PXA2XX_SOC_I2S
+ tristate
+
+config SND_PXA2XX_SOC_CORGI
+ tristate "SoC Audio support for Sharp Zaurus SL-C7x0"
+ depends on SND_PXA2XX_SOC && PXA_SHARP_C7xx
+ select SND_PXA2XX_SOC_I2S
+ select SND_SOC_WM8731
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-C7x0 models (Corgi, Shepherd, Husky).
+
+config SND_PXA2XX_SOC_SPITZ
+ tristate "SoC Audio support for Sharp Zaurus SL-Cxx00"
+ depends on SND_PXA2XX_SOC && PXA_SHARP_Cxx00
+ select SND_PXA2XX_SOC_I2S
+ select SND_SOC_WM8750
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-Cxx00 models (Spitz, Borzoi and Akita).
+
+config SND_PXA2XX_SOC_POODLE
+ tristate "SoC Audio support for Poodle"
+ depends on SND_PXA2XX_SOC && MACH_POODLE
+ select SND_PXA2XX_SOC_I2S
+ select SND_SOC_WM8731
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-5600 model (Poodle).
+
+config SND_PXA2XX_SOC_TOSA
+ tristate "SoC AC97 Audio support for Tosa"
+ depends on SND_PXA2XX_SOC && MACH_TOSA
+ select SND_PXA2XX_SOC_AC97
+ select SND_SOC_WM9712
+ help
+ Say Y if you want to add support for SoC audio on Sharp
+ Zaurus SL-C6000x models (Tosa).
+
+endmenu
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
new file mode 100644
index 00000000000..78e0d6b07d1
--- /dev/null
+++ b/sound/soc/pxa/Makefile
@@ -0,0 +1,20 @@
+# PXA Platform Support
+snd-soc-pxa2xx-objs := pxa2xx-pcm.o
+snd-soc-pxa2xx-ac97-objs := pxa2xx-ac97.o
+snd-soc-pxa2xx-i2s-objs := pxa2xx-i2s.o
+
+obj-$(CONFIG_SND_PXA2XX_SOC) += snd-soc-pxa2xx.o
+obj-$(CONFIG_SND_PXA2XX_SOC_AC97) += snd-soc-pxa2xx-ac97.o
+obj-$(CONFIG_SND_PXA2XX_SOC_I2S) += snd-soc-pxa2xx-i2s.o
+
+# PXA Machine Support
+snd-soc-corgi-objs := corgi.o
+snd-soc-poodle-objs := poodle.o
+snd-soc-tosa-objs := tosa.o
+snd-soc-spitz-objs := spitz.o
+
+obj-$(CONFIG_SND_PXA2XX_SOC_CORGI) += snd-soc-corgi.o
+obj-$(CONFIG_SND_PXA2XX_SOC_POODLE) += snd-soc-poodle.o
+obj-$(CONFIG_SND_PXA2XX_SOC_TOSA) += snd-soc-tosa.o
+obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o
+
diff --git a/sound/soc/pxa/corgi.c b/sound/soc/pxa/corgi.c
new file mode 100644
index 00000000000..5ee51a994ac
--- /dev/null
+++ b/sound/soc/pxa/corgi.c
@@ -0,0 +1,383 @@
+/*
+ * corgi.c -- SoC audio for Corgi
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * 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.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/scoop.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/corgi.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8731.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
+
+#define CORGI_HP 0
+#define CORGI_MIC 1
+#define CORGI_LINE 2
+#define CORGI_HEADSET 3
+#define CORGI_HP_OFF 4
+#define CORGI_SPK_ON 0
+#define CORGI_SPK_OFF 1
+
+ /* audio clock in Hz - rounded from 12.235MHz */
+#define CORGI_AUDIO_CLOCK 12288000
+
+static int corgi_jack_func;
+static int corgi_spk_func;
+
+static void corgi_ext_control(struct snd_soc_codec *codec)
+{
+ int spk = 0, mic = 0, line = 0, hp = 0, hs = 0;
+
+ /* set up jack connection */
+ switch (corgi_jack_func) {
+ case CORGI_HP:
+ hp = 1;
+ /* set = unmute headphone */
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ case CORGI_MIC:
+ mic = 1;
+ /* reset = mute headphone */
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ case CORGI_LINE:
+ line = 1;
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ case CORGI_HEADSET:
+ hs = 1;
+ mic = 1;
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ break;
+ }
+
+ if (corgi_spk_func == CORGI_SPK_ON)
+ spk = 1;
+
+ /* set the enpoints to their new connetion states */
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", mic);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", line);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
+
+ /* signal a DAPM event */
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int corgi_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ corgi_ext_control(codec);
+ return 0;
+}
+
+/* we need to unmute the HP at shutdown as the mute burns power on corgi */
+static int corgi_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* set = unmute headphone */
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_L);
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MUTE_R);
+ return 0;
+}
+
+static int corgi_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+ unsigned int clk = 0;
+ int ret = 0;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ clk = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ clk = 11289600;
+ break;
+ }
+
+ /* set codec DAI configuration */
+ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set cpu DAI configuration */
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set the codec system clock for DAC and ADC */
+ ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8731_SYSCLK, clk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ /* set the I2S system clock as input (unused) */
+ ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops corgi_ops = {
+ .startup = corgi_startup,
+ .hw_params = corgi_hw_params,
+ .shutdown = corgi_shutdown,
+};
+
+static int corgi_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = corgi_jack_func;
+ return 0;
+}
+
+static int corgi_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (corgi_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ corgi_jack_func = ucontrol->value.integer.value[0];
+ corgi_ext_control(codec);
+ return 1;
+}
+
+static int corgi_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = corgi_spk_func;
+ return 0;
+}
+
+static int corgi_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (corgi_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ corgi_spk_func = ucontrol->value.integer.value[0];
+ corgi_ext_control(codec);
+ return 1;
+}
+
+static int corgi_amp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_APM_ON);
+
+ return 0;
+}
+
+static int corgi_mic_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
+ else
+ reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_MIC_BIAS);
+
+ return 0;
+}
+
+/* corgi machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", NULL),
+SND_SOC_DAPM_MIC("Mic Jack", corgi_mic_event),
+SND_SOC_DAPM_SPK("Ext Spk", corgi_amp_event),
+SND_SOC_DAPM_LINE("Line Jack", NULL),
+SND_SOC_DAPM_HP("Headset Jack", NULL),
+};
+
+/* Corgi machine audio map (connections to the codec pins) */
+static const char *audio_map[][3] = {
+
+ /* headset Jack - in = micin, out = LHPOUT*/
+ {"Headset Jack", NULL, "LHPOUT"},
+
+ /* headphone connected to LHPOUT1, RHPOUT1 */
+ {"Headphone Jack", NULL, "LHPOUT"},
+ {"Headphone Jack", NULL, "RHPOUT"},
+
+ /* speaker connected to LOUT, ROUT */
+ {"Ext Spk", NULL, "ROUT"},
+ {"Ext Spk", NULL, "LOUT"},
+
+ /* mic is connected to MICIN (via right channel of headphone jack) */
+ {"MICIN", NULL, "Mic Jack"},
+
+ /* Same as the above but no mic bias for line signals */
+ {"MICIN", NULL, "Line Jack"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
+ "Off"};
+static const char *spk_function[] = {"On", "Off"};
+static const struct soc_enum corgi_enum[] = {
+ SOC_ENUM_SINGLE_EXT(5, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const struct snd_kcontrol_new wm8731_corgi_controls[] = {
+ SOC_ENUM_EXT("Jack Function", corgi_enum[0], corgi_get_jack,
+ corgi_set_jack),
+ SOC_ENUM_EXT("Speaker Function", corgi_enum[1], corgi_get_spk,
+ corgi_set_spk),
+};
+
+/*
+ * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
+ */
+static int corgi_wm8731_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
+
+ /* Add corgi specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8731_corgi_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8731_corgi_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add corgi specific widgets */
+ for(i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
+ }
+
+ /* Set up corgi specific audio path audio_map */
+ for(i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+/* corgi digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link corgi_dai = {
+ .name = "WM8731",
+ .stream_name = "WM8731",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8731_dai,
+ .init = corgi_wm8731_init,
+ .ops = &corgi_ops,
+};
+
+/* corgi audio machine driver */
+static struct snd_soc_machine snd_soc_machine_corgi = {
+ .name = "Corgi",
+ .dai_link = &corgi_dai,
+ .num_links = 1,
+};
+
+/* corgi audio private data */
+static struct wm8731_setup_data corgi_wm8731_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* corgi audio subsystem */
+static struct snd_soc_device corgi_snd_devdata = {
+ .machine = &snd_soc_machine_corgi,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &corgi_wm8731_setup,
+};
+
+static struct platform_device *corgi_snd_device;
+
+static int __init corgi_init(void)
+{
+ int ret;
+
+ if (!(machine_is_corgi() || machine_is_shepherd() || machine_is_husky()))
+ return -ENODEV;
+
+ corgi_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!corgi_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(corgi_snd_device, &corgi_snd_devdata);
+ corgi_snd_devdata.dev = &corgi_snd_device->dev;
+ ret = platform_device_add(corgi_snd_device);
+
+ if (ret)
+ platform_device_put(corgi_snd_device);
+
+ return ret;
+}
+
+static void __exit corgi_exit(void)
+{
+ platform_device_unregister(corgi_snd_device);
+}
+
+module_init(corgi_init);
+module_exit(corgi_exit);
+
+/* Module information */
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Corgi");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/pxa/poodle.c b/sound/soc/pxa/poodle.c
new file mode 100644
index 00000000000..0915cf74042
--- /dev/null
+++ b/sound/soc/pxa/poodle.c
@@ -0,0 +1,352 @@
+/*
+ * poodle.c -- SoC audio for Poodle
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * 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/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/locomo.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/poodle.h>
+#include <asm/arch/audio.h>
+
+#include "../codecs/wm8731.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
+
+#define POODLE_HP 1
+#define POODLE_HP_OFF 0
+#define POODLE_SPK_ON 1
+#define POODLE_SPK_OFF 0
+
+ /* audio clock in Hz - rounded from 12.235MHz */
+#define POODLE_AUDIO_CLOCK 12288000
+
+static int poodle_jack_func;
+static int poodle_spk_func;
+
+static void poodle_ext_control(struct snd_soc_codec *codec)
+{
+ int spk = 0;
+
+ /* set up jack connection */
+ if (poodle_jack_func == POODLE_HP) {
+ /* set = unmute headphone */
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 1);
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 1);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
+ } else {
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 0);
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 0);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ }
+
+ if (poodle_spk_func == POODLE_SPK_ON)
+ spk = 1;
+
+ /* set the enpoints to their new connetion states */
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", spk);
+
+ /* signal a DAPM event */
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int poodle_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ poodle_ext_control(codec);
+ return 0;
+}
+
+/* we need to unmute the HP at shutdown as the mute burns power on poodle */
+static int poodle_shutdown(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* set = unmute headphone */
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 1);
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 1);
+ return 0;
+}
+
+static int poodle_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+ unsigned int clk = 0;
+ int ret = 0;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ clk = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ clk = 11289600;
+ break;
+ }
+
+ /* set codec DAI configuration */
+ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set cpu DAI configuration */
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set the codec system clock for DAC and ADC */
+ ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8731_SYSCLK, clk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ /* set the I2S system clock as input (unused) */
+ ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops poodle_ops = {
+ .startup = poodle_startup,
+ .hw_params = poodle_hw_params,
+ .shutdown = poodle_shutdown,
+};
+
+static int poodle_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = poodle_jack_func;
+ return 0;
+}
+
+static int poodle_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (poodle_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ poodle_jack_func = ucontrol->value.integer.value[0];
+ poodle_ext_control(codec);
+ return 1;
+}
+
+static int poodle_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = poodle_spk_func;
+ return 0;
+}
+
+static int poodle_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (poodle_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ poodle_spk_func = ucontrol->value.integer.value[0];
+ poodle_ext_control(codec);
+ return 1;
+}
+
+static int poodle_amp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_AMP_ON, 0);
+ else
+ locomo_gpio_write(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_AMP_ON, 1);
+
+ return 0;
+}
+
+/* poodle machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8731_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", NULL),
+SND_SOC_DAPM_SPK("Ext Spk", poodle_amp_event),
+};
+
+/* Corgi machine audio_mapnections to the codec pins */
+static const char *audio_map[][3] = {
+
+ /* headphone connected to LHPOUT1, RHPOUT1 */
+ {"Headphone Jack", NULL, "LHPOUT"},
+ {"Headphone Jack", NULL, "RHPOUT"},
+
+ /* speaker connected to LOUT, ROUT */
+ {"Ext Spk", NULL, "ROUT"},
+ {"Ext Spk", NULL, "LOUT"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Off", "Headphone"};
+static const char *spk_function[] = {"Off", "On"};
+static const struct soc_enum poodle_enum[] = {
+ SOC_ENUM_SINGLE_EXT(2, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const snd_kcontrol_new_t wm8731_poodle_controls[] = {
+ SOC_ENUM_EXT("Jack Function", poodle_enum[0], poodle_get_jack,
+ poodle_set_jack),
+ SOC_ENUM_EXT("Speaker Function", poodle_enum[1], poodle_get_spk,
+ poodle_set_spk),
+};
+
+/*
+ * Logic for a wm8731 as connected on a Sharp SL-C7x0 Device
+ */
+static int poodle_wm8731_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ snd_soc_dapm_set_endpoint(codec, "LLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "RLINEIN", 0);
+ snd_soc_dapm_set_endpoint(codec, "MICIN", 1);
+
+ /* Add poodle specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8731_poodle_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8731_poodle_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add poodle specific widgets */
+ for (i = 0; i < ARRAY_SIZE(wm8731_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8731_dapm_widgets[i]);
+ }
+
+ /* Set up poodle specific audio path audio_map */
+ for (i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+/* poodle digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link poodle_dai = {
+ .name = "WM8731",
+ .stream_name = "WM8731",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8731_dai,
+ .init = poodle_wm8731_init,
+ .ops = &poodle_ops,
+};
+
+/* poodle audio machine driver */
+static struct snd_soc_machine snd_soc_machine_poodle = {
+ .name = "Poodle",
+ .dai_link = &poodle_dai,
+ .num_links = 1,
+};
+
+/* poodle audio private data */
+static struct wm8731_setup_data poodle_wm8731_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* poodle audio subsystem */
+static struct snd_soc_device poodle_snd_devdata = {
+ .machine = &snd_soc_machine_poodle,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8731,
+ .codec_data = &poodle_wm8731_setup,
+};
+
+static struct platform_device *poodle_snd_device;
+
+static int __init poodle_init(void)
+{
+ int ret;
+
+ if (!machine_is_poodle())
+ return -ENODEV;
+
+ locomo_gpio_set_dir(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_AMP_ON, 0);
+ /* should we mute HP at startup - burning power ?*/
+ locomo_gpio_set_dir(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_L, 0);
+ locomo_gpio_set_dir(&poodle_locomo_device.dev,
+ POODLE_LOCOMO_GPIO_MUTE_R, 0);
+
+ poodle_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!poodle_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(poodle_snd_device, &poodle_snd_devdata);
+ poodle_snd_devdata.dev = &poodle_snd_device->dev;
+ ret = platform_device_add(poodle_snd_device);
+
+ if (ret)
+ platform_device_put(poodle_snd_device);
+
+ return ret;
+}
+
+static void __exit poodle_exit(void)
+{
+ platform_device_unregister(poodle_snd_device);
+}
+
+module_init(poodle_init);
+module_exit(poodle_exit);
+
+/* Module information */
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Poodle");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
new file mode 100644
index 00000000000..1bbbeff84ef
--- /dev/null
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -0,0 +1,431 @@
+/*
+ * linux/sound/pxa2xx-ac97.c -- AC97 support for the Intel PXA2xx chip.
+ *
+ * Author: Nicolas Pitre
+ * Created: Dec 02, 2004
+ * Copyright: MontaVista Software Inc.
+ *
+ * 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.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/wait.h>
+#include <linux/delay.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/ac97_codec.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/irq.h>
+#include <linux/mutex.h>
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-ac97.h"
+
+static DEFINE_MUTEX(car_mutex);
+static DECLARE_WAIT_QUEUE_HEAD(gsr_wq);
+static volatile long gsr_bits;
+
+/*
+ * Beware PXA27x bugs:
+ *
+ * o Slot 12 read from modem space will hang controller.
+ * o CDONE, SDONE interrupt fails after any slot 12 IO.
+ *
+ * We therefore have an hybrid approach for waiting on SDONE (interrupt or
+ * 1 jiffy timeout if interrupt never comes).
+ */
+
+static unsigned short pxa2xx_ac97_read(struct snd_ac97 *ac97,
+ unsigned short reg)
+{
+ unsigned short val = -1;
+ volatile u32 *reg_addr;
+
+ mutex_lock(&car_mutex);
+
+ /* set up primary or secondary codec/modem space */
+#ifdef CONFIG_PXA27x
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#else
+ if (reg == AC97_GPIO_STATUS)
+ reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE;
+ else
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#endif
+ reg_addr += (reg >> 1);
+
+#ifndef CONFIG_PXA27x
+ if (reg == AC97_GPIO_STATUS) {
+ /* read from controller cache */
+ val = *reg_addr;
+ goto out;
+ }
+#endif
+
+ /* start read access across the ac97 link */
+ GSR = GSR_CDONE | GSR_SDONE;
+ gsr_bits = 0;
+ val = *reg_addr;
+
+ wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1);
+ if (!((GSR | gsr_bits) & GSR_SDONE)) {
+ printk(KERN_ERR "%s: read error (ac97_reg=%x GSR=%#lx)\n",
+ __FUNCTION__, reg, GSR | gsr_bits);
+ val = -1;
+ goto out;
+ }
+
+ /* valid data now */
+ GSR = GSR_CDONE | GSR_SDONE;
+ gsr_bits = 0;
+ val = *reg_addr;
+ /* but we've just started another cycle... */
+ wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_SDONE, 1);
+
+out: mutex_unlock(&car_mutex);
+ return val;
+}
+
+static void pxa2xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
+ unsigned short val)
+{
+ volatile u32 *reg_addr;
+
+ mutex_lock(&car_mutex);
+
+ /* set up primary or secondary codec/modem space */
+#ifdef CONFIG_PXA27x
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#else
+ if (reg == AC97_GPIO_STATUS)
+ reg_addr = ac97->num ? &SMC_REG_BASE : &PMC_REG_BASE;
+ else
+ reg_addr = ac97->num ? &SAC_REG_BASE : &PAC_REG_BASE;
+#endif
+ reg_addr += (reg >> 1);
+
+ GSR = GSR_CDONE | GSR_SDONE;
+ gsr_bits = 0;
+ *reg_addr = val;
+ wait_event_timeout(gsr_wq, (GSR | gsr_bits) & GSR_CDONE, 1);
+ if (!((GSR | gsr_bits) & GSR_CDONE))
+ printk(KERN_ERR "%s: write error (ac97_reg=%x GSR=%#lx)\n",
+ __FUNCTION__, reg, GSR | gsr_bits);
+
+ mutex_unlock(&car_mutex);
+}
+
+static void pxa2xx_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+ gsr_bits = 0;
+
+#ifdef CONFIG_PXA27x
+ /* warm reset broken on Bulverde,
+ so manually keep AC97 reset high */
+ pxa_gpio_mode(113 | GPIO_OUT | GPIO_DFLT_HIGH);
+ udelay(10);
+ GCR |= GCR_WARM_RST;
+ pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+ udelay(500);
+#else
+ GCR |= GCR_WARM_RST | GCR_PRIRDY_IEN | GCR_SECRDY_IEN;
+ wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1);
+#endif
+
+ if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)))
+ printk(KERN_INFO "%s: warm reset timeout (GSR=%#lx)\n",
+ __FUNCTION__, gsr_bits);
+
+ GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
+ GCR |= GCR_SDONE_IE|GCR_CDONE_IE;
+}
+
+static void pxa2xx_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+ GCR &= GCR_COLD_RST; /* clear everything but nCRST */
+ GCR &= ~GCR_COLD_RST; /* then assert nCRST */
+
+ gsr_bits = 0;
+#ifdef CONFIG_PXA27x
+ /* PXA27x Developers Manual section 13.5.2.2.1 */
+ pxa_set_cken(1 << 31, 1);
+ udelay(5);
+ pxa_set_cken(1 << 31, 0);
+ GCR = GCR_COLD_RST;
+ udelay(50);
+#else
+ GCR = GCR_COLD_RST;
+ GCR |= GCR_CDONE_IE|GCR_SDONE_IE;
+ wait_event_timeout(gsr_wq, gsr_bits & (GSR_PCR | GSR_SCR), 1);
+#endif
+
+ if (!((GSR | gsr_bits) & (GSR_PCR | GSR_SCR)))
+ printk(KERN_INFO "%s: cold reset timeout (GSR=%#lx)\n",
+ __FUNCTION__, gsr_bits);
+
+ GCR &= ~(GCR_PRIRDY_IEN|GCR_SECRDY_IEN);
+ GCR |= GCR_SDONE_IE|GCR_CDONE_IE;
+}
+
+static irqreturn_t pxa2xx_ac97_irq(int irq, void *dev_id)
+{
+ long status;
+
+ status = GSR;
+ if (status) {
+ GSR = status;
+ gsr_bits |= status;
+ wake_up(&gsr_wq);
+
+#ifdef CONFIG_PXA27x
+ /* Although we don't use those we still need to clear them
+ since they tend to spuriously trigger when MMC is used
+ (hardware bug? go figure)... */
+ MISR = MISR_EOC;
+ PISR = PISR_EOC;
+ MCSR = MCSR_EOC;
+#endif
+
+ return IRQ_HANDLED;
+ }
+
+ return IRQ_NONE;
+}
+
+struct snd_ac97_bus_ops soc_ac97_ops = {
+ .read = pxa2xx_ac97_read,
+ .write = pxa2xx_ac97_write,
+ .warm_reset = pxa2xx_ac97_warm_reset,
+ .reset = pxa2xx_ac97_cold_reset,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_out = {
+ .name = "AC97 PCM Stereo out",
+ .dev_addr = __PREG(PCDR),
+ .drcmr = &DRCMRTXPCDR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_stereo_in = {
+ .name = "AC97 PCM Stereo in",
+ .dev_addr = __PREG(PCDR),
+ .drcmr = &DRCMRRXPCDR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_out = {
+ .name = "AC97 Aux PCM (Slot 5) Mono out",
+ .dev_addr = __PREG(MODR),
+ .drcmr = &DRCMRTXMODR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_aux_mono_in = {
+ .name = "AC97 Aux PCM (Slot 5) Mono in",
+ .dev_addr = __PREG(MODR),
+ .drcmr = &DRCMRRXMODR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_ac97_pcm_mic_mono_in = {
+ .name = "AC97 Mic PCM (Slot 6) Mono in",
+ .dev_addr = __PREG(MCDR),
+ .drcmr = &DRCMRRXMCDR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST16 | DCMD_WIDTH2,
+};
+
+#ifdef CONFIG_PM
+static int pxa2xx_ac97_suspend(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ GCR |= GCR_ACLINK_OFF;
+ pxa_set_cken(CKEN2_AC97, 0);
+ return 0;
+}
+
+static int pxa2xx_ac97_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
+ pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
+ pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
+ pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
+#ifdef CONFIG_PXA27x
+ /* Use GPIO 113 as AC97 Reset on Bulverde */
+ pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+#endif
+ pxa_set_cken(CKEN2_AC97, 1);
+ return 0;
+}
+
+#else
+#define pxa2xx_ac97_suspend NULL
+#define pxa2xx_ac97_resume NULL
+#endif
+
+static int pxa2xx_ac97_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ ret = request_irq(IRQ_AC97, pxa2xx_ac97_irq, IRQF_DISABLED, "AC97", NULL);
+ if (ret < 0)
+ goto err;
+
+ pxa_gpio_mode(GPIO31_SYNC_AC97_MD);
+ pxa_gpio_mode(GPIO30_SDATA_OUT_AC97_MD);
+ pxa_gpio_mode(GPIO28_BITCLK_AC97_MD);
+ pxa_gpio_mode(GPIO29_SDATA_IN_AC97_MD);
+#ifdef CONFIG_PXA27x
+ /* Use GPIO 113 as AC97 Reset on Bulverde */
+ pxa_gpio_mode(113 | GPIO_ALT_FN_2_OUT);
+#endif
+ pxa_set_cken(CKEN2_AC97, 1);
+ return 0;
+
+ err:
+ if (CKEN & CKEN2_AC97) {
+ GCR |= GCR_ACLINK_OFF;
+ free_irq(IRQ_AC97, NULL);
+ pxa_set_cken(CKEN2_AC97, 0);
+ }
+ return ret;
+}
+
+static void pxa2xx_ac97_remove(struct platform_device *pdev)
+{
+ GCR |= GCR_ACLINK_OFF;
+ free_irq(IRQ_AC97, NULL);
+ pxa_set_cken(CKEN2_AC97, 0);
+}
+
+static int pxa2xx_ac97_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_out;
+ else
+ cpu_dai->dma_data = &pxa2xx_ac97_pcm_stereo_in;
+
+ return 0;
+}
+
+static int pxa2xx_ac97_hw_aux_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_out;
+ else
+ cpu_dai->dma_data = &pxa2xx_ac97_pcm_aux_mono_in;
+
+ return 0;
+}
+
+static int pxa2xx_ac97_hw_mic_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ return -ENODEV;
+ else
+ cpu_dai->dma_data = &pxa2xx_ac97_pcm_mic_mono_in;
+
+ return 0;
+}
+
+#define PXA2XX_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000)
+
+/*
+ * There is only 1 physical AC97 interface for pxa2xx, but it
+ * has extra fifo's that can be used for aux DACs and ADCs.
+ */
+struct snd_soc_cpu_dai pxa_ac97_dai[] = {
+{
+ .name = "pxa2xx-ac97",
+ .id = 0,
+ .type = SND_SOC_DAI_AC97,
+ .probe = pxa2xx_ac97_probe,
+ .remove = pxa2xx_ac97_remove,
+ .suspend = pxa2xx_ac97_suspend,
+ .resume = pxa2xx_ac97_resume,
+ .playback = {
+ .stream_name = "AC97 Playback",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = PXA2XX_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = PXA2XX_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .hw_params = pxa2xx_ac97_hw_params,},
+},
+{
+ .name = "pxa2xx-ac97-aux",
+ .id = 1,
+ .type = SND_SOC_DAI_AC97,
+ .playback = {
+ .stream_name = "AC97 Aux Playback",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = PXA2XX_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .stream_name = "AC97 Aux Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = PXA2XX_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .hw_params = pxa2xx_ac97_hw_aux_params,},
+},
+{
+ .name = "pxa2xx-ac97-mic",
+ .id = 2,
+ .type = SND_SOC_DAI_AC97,
+ .capture = {
+ .stream_name = "AC97 Mic Capture",
+ .channels_min = 1,
+ .channels_max = 1,
+ .rates = PXA2XX_AC97_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .hw_params = pxa2xx_ac97_hw_mic_params,},
+},
+};
+
+EXPORT_SYMBOL_GPL(pxa_ac97_dai);
+EXPORT_SYMBOL_GPL(soc_ac97_ops);
+
+MODULE_AUTHOR("Nicolas Pitre");
+MODULE_DESCRIPTION("AC97 driver for the Intel PXA2xx chip");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/pxa/pxa2xx-ac97.h b/sound/soc/pxa/pxa2xx-ac97.h
new file mode 100644
index 00000000000..4c4b882316a
--- /dev/null
+++ b/sound/soc/pxa/pxa2xx-ac97.h
@@ -0,0 +1,22 @@
+/*
+ * linux/sound/arm/pxa2xx-ac97.h
+ *
+ * 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 _PXA2XX_AC97_H
+#define _PXA2XX_AC97_H
+
+/* pxa2xx DAI ID's */
+#define PXA2XX_DAI_AC97_HIFI 0
+#define PXA2XX_DAI_AC97_AUX 1
+#define PXA2XX_DAI_AC97_MIC 2
+
+extern struct snd_soc_cpu_dai pxa_ac97_dai[3];
+
+/* platform data */
+extern struct snd_ac97_bus_ops pxa2xx_ac97_ops;
+
+#endif
diff --git a/sound/soc/pxa/pxa2xx-i2s.c b/sound/soc/pxa/pxa2xx-i2s.c
new file mode 100644
index 00000000000..575a6137c04
--- /dev/null
+++ b/sound/soc/pxa/pxa2xx-i2s.c
@@ -0,0 +1,318 @@
+/*
+ * pxa2xx-i2s.c -- ALSA Soc Audio Layer
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Author: Liam Girdwood
+ * liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
+ *
+ * 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.
+ *
+ * Revision history
+ * 12th Aug 2005 Initial version.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/initval.h>
+#include <sound/soc.h>
+
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
+
+struct pxa_i2s_port {
+ u32 sadiv;
+ u32 sacr0;
+ u32 sacr1;
+ u32 saimr;
+ int master;
+ u32 fmt;
+};
+static struct pxa_i2s_port pxa_i2s;
+
+static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_out = {
+ .name = "I2S PCM Stereo out",
+ .dev_addr = __PREG(SADR),
+ .drcmr = &DRCMRTXSADR,
+ .dcmd = DCMD_INCSRCADDR | DCMD_FLOWTRG |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_pcm_dma_params pxa2xx_i2s_pcm_stereo_in = {
+ .name = "I2S PCM Stereo in",
+ .dev_addr = __PREG(SADR),
+ .drcmr = &DRCMRRXSADR,
+ .dcmd = DCMD_INCTRGADDR | DCMD_FLOWSRC |
+ DCMD_BURST32 | DCMD_WIDTH4,
+};
+
+static struct pxa2xx_gpio gpio_bus[] = {
+ { /* I2S SoC Slave */
+ .rx = GPIO29_SDATA_IN_I2S_MD,
+ .tx = GPIO30_SDATA_OUT_I2S_MD,
+ .clk = GPIO28_BITCLK_IN_I2S_MD,
+ .frm = GPIO31_SYNC_I2S_MD,
+ },
+ { /* I2S SoC Master */
+#ifdef CONFIG_PXA27x
+ .sys = GPIO113_I2S_SYSCLK_MD,
+#else
+ .sys = GPIO32_SYSCLK_I2S_MD,
+#endif
+ .rx = GPIO29_SDATA_IN_I2S_MD,
+ .tx = GPIO30_SDATA_OUT_I2S_MD,
+ .clk = GPIO28_BITCLK_OUT_I2S_MD,
+ .frm = GPIO31_SYNC_I2S_MD,
+ },
+};
+
+static int pxa2xx_i2s_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ if (!cpu_dai->active) {
+ SACR0 |= SACR0_RST;
+ SACR0 = 0;
+ }
+
+ return 0;
+}
+
+/* wait for I2S controller to be ready */
+static int pxa_i2s_wait(void)
+{
+ int i;
+
+ /* flush the Rx FIFO */
+ for(i = 0; i < 16; i++)
+ SADR;
+ return 0;
+}
+
+static int pxa2xx_i2s_set_dai_fmt(struct snd_soc_cpu_dai *cpu_dai,
+ unsigned int fmt)
+{
+ /* interface format */
+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
+ case SND_SOC_DAIFMT_I2S:
+ pxa_i2s.fmt = 0;
+ break;
+ case SND_SOC_DAIFMT_LEFT_J:
+ pxa_i2s.fmt = SACR1_AMSL;
+ break;
+ }
+
+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
+ case SND_SOC_DAIFMT_CBS_CFS:
+ pxa_i2s.master = 1;
+ break;
+ case SND_SOC_DAIFMT_CBM_CFS:
+ pxa_i2s.master = 0;
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static int pxa2xx_i2s_set_dai_sysclk(struct snd_soc_cpu_dai *cpu_dai,
+ int clk_id, unsigned int freq, int dir)
+{
+ if (clk_id != PXA2XX_I2S_SYSCLK)
+ return -ENODEV;
+
+ if (pxa_i2s.master && dir == SND_SOC_CLOCK_OUT)
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].sys);
+
+ return 0;
+}
+
+static int pxa2xx_i2s_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].rx);
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].tx);
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].frm);
+ pxa_gpio_mode(gpio_bus[pxa_i2s.master].clk);
+ pxa_set_cken(CKEN8_I2S, 1);
+ pxa_i2s_wait();
+
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ cpu_dai->dma_data = &pxa2xx_i2s_pcm_stereo_out;
+ else
+ cpu_dai->dma_data = &pxa2xx_i2s_pcm_stereo_in;
+
+ /* is port used by another stream */
+ if (!(SACR0 & SACR0_ENB)) {
+
+ SACR0 = 0;
+ SACR1 = 0;
+ if (pxa_i2s.master)
+ SACR0 |= SACR0_BCKD;
+
+ SACR0 |= SACR0_RFTH(14) | SACR0_TFTH(1);
+ SACR1 |= pxa_i2s.fmt;
+ }
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ SAIMR |= SAIMR_TFS;
+ else
+ SAIMR |= SAIMR_RFS;
+
+ switch (params_rate(params)) {
+ case 8000:
+ SADIV = 0x48;
+ break;
+ case 11025:
+ SADIV = 0x34;
+ break;
+ case 16000:
+ SADIV = 0x24;
+ break;
+ case 22050:
+ SADIV = 0x1a;
+ break;
+ case 44100:
+ SADIV = 0xd;
+ break;
+ case 48000:
+ SADIV = 0xc;
+ break;
+ case 96000: /* not in manual and possibly slightly inaccurate */
+ SADIV = 0x6;
+ break;
+ }
+
+ return 0;
+}
+
+static int pxa2xx_i2s_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ SACR0 |= SACR0_ENB;
+ break;
+ case SNDRV_PCM_TRIGGER_RESUME:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ break;
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static void pxa2xx_i2s_shutdown(struct snd_pcm_substream *substream)
+{
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ SACR1 |= SACR1_DRPL;
+ SAIMR &= ~SAIMR_TFS;
+ } else {
+ SACR1 |= SACR1_DREC;
+ SAIMR &= ~SAIMR_RFS;
+ }
+
+ if (SACR1 & (SACR1_DREC | SACR1_DRPL)) {
+ SACR0 &= ~SACR0_ENB;
+ pxa_i2s_wait();
+ pxa_set_cken(CKEN8_I2S, 0);
+ }
+}
+
+#ifdef CONFIG_PM
+static int pxa2xx_i2s_suspend(struct platform_device *dev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if (!dai->active)
+ return 0;
+
+ /* store registers */
+ pxa_i2s.sacr0 = SACR0;
+ pxa_i2s.sacr1 = SACR1;
+ pxa_i2s.saimr = SAIMR;
+ pxa_i2s.sadiv = SADIV;
+
+ /* deactivate link */
+ SACR0 &= ~SACR0_ENB;
+ pxa_i2s_wait();
+ return 0;
+}
+
+static int pxa2xx_i2s_resume(struct platform_device *pdev,
+ struct snd_soc_cpu_dai *dai)
+{
+ if (!dai->active)
+ return 0;
+
+ pxa_i2s_wait();
+
+ SACR0 = pxa_i2s.sacr0 &= ~SACR0_ENB;
+ SACR1 = pxa_i2s.sacr1;
+ SAIMR = pxa_i2s.saimr;
+ SADIV = pxa_i2s.sadiv;
+ SACR0 |= SACR0_ENB;
+
+ return 0;
+}
+
+#else
+#define pxa2xx_i2s_suspend NULL
+#define pxa2xx_i2s_resume NULL
+#endif
+
+#define PXA2XX_I2S_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
+ SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | \
+ SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000)
+
+struct snd_soc_cpu_dai pxa_i2s_dai = {
+ .name = "pxa2xx-i2s",
+ .id = 0,
+ .type = SND_SOC_DAI_I2S,
+ .suspend = pxa2xx_i2s_suspend,
+ .resume = pxa2xx_i2s_resume,
+ .playback = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = PXA2XX_I2S_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .capture = {
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = PXA2XX_I2S_RATES,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,},
+ .ops = {
+ .startup = pxa2xx_i2s_startup,
+ .shutdown = pxa2xx_i2s_shutdown,
+ .trigger = pxa2xx_i2s_trigger,
+ .hw_params = pxa2xx_i2s_hw_params,},
+ .dai_ops = {
+ .set_fmt = pxa2xx_i2s_set_dai_fmt,
+ .set_sysclk = pxa2xx_i2s_set_dai_sysclk,
+ },
+};
+
+EXPORT_SYMBOL_GPL(pxa_i2s_dai);
+
+/* Module information */
+MODULE_AUTHOR("Liam Girdwood, liam.girdwood@wolfsonmicro.com, www.wolfsonmicro.com");
+MODULE_DESCRIPTION("pxa2xx I2S SoC Interface");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/pxa/pxa2xx-i2s.h b/sound/soc/pxa/pxa2xx-i2s.h
new file mode 100644
index 00000000000..a2484f0881f
--- /dev/null
+++ b/sound/soc/pxa/pxa2xx-i2s.h
@@ -0,0 +1,20 @@
+/*
+ * linux/sound/arm/pxa2xx-i2s.h
+ *
+ * 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 _PXA2XX_I2S_H
+#define _PXA2XX_I2S_H
+
+/* pxa2xx DAI ID's */
+#define PXA2XX_DAI_I2S 0
+
+/* I2S clock */
+#define PXA2XX_I2S_SYSCLK 0
+
+extern struct snd_soc_cpu_dai pxa_i2s_dai;
+
+#endif
diff --git a/sound/soc/pxa/pxa2xx-pcm.c b/sound/soc/pxa/pxa2xx-pcm.c
new file mode 100644
index 00000000000..35e8fa3a469
--- /dev/null
+++ b/sound/soc/pxa/pxa2xx-pcm.c
@@ -0,0 +1,372 @@
+/*
+ * linux/sound/arm/pxa2xx-pcm.c -- ALSA PCM interface for the Intel PXA2xx chip
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 30, 2004
+ * Copyright: (C) 2004 MontaVista Software, Inc.
+ *
+ * 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.
+ */
+
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/dma-mapping.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+#include <sound/soc.h>
+
+#include <asm/dma.h>
+#include <asm/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/audio.h>
+
+#include "pxa2xx-pcm.h"
+
+static const struct snd_pcm_hardware pxa2xx_pcm_hardware = {
+ .info = SNDRV_PCM_INFO_MMAP |
+ SNDRV_PCM_INFO_MMAP_VALID |
+ SNDRV_PCM_INFO_INTERLEAVED |
+ SNDRV_PCM_INFO_PAUSE |
+ SNDRV_PCM_INFO_RESUME,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE |
+ SNDRV_PCM_FMTBIT_S24_LE |
+ SNDRV_PCM_FMTBIT_S32_LE,
+ .period_bytes_min = 32,
+ .period_bytes_max = 8192 - 32,
+ .periods_min = 1,
+ .periods_max = PAGE_SIZE/sizeof(pxa_dma_desc),
+ .buffer_bytes_max = 128 * 1024,
+ .fifo_size = 32,
+};
+
+struct pxa2xx_runtime_data {
+ int dma_ch;
+ struct pxa2xx_pcm_dma_params *params;
+ pxa_dma_desc *dma_desc_array;
+ dma_addr_t dma_desc_array_phys;
+};
+
+static void pxa2xx_pcm_dma_irq(int dma_ch, void *dev_id)
+{
+ struct snd_pcm_substream *substream = dev_id;
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+ int dcsr;
+
+ dcsr = DCSR(dma_ch);
+ DCSR(dma_ch) = dcsr & ~DCSR_STOPIRQEN;
+
+ if (dcsr & DCSR_ENDINTR) {
+ snd_pcm_period_elapsed(substream);
+ } else {
+ printk( KERN_ERR "%s: DMA error on channel %d (DCSR=%#x)\n",
+ prtd->params->name, dma_ch, dcsr );
+ }
+}
+
+static int pxa2xx_pcm_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd = runtime->private_data;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct pxa2xx_pcm_dma_params *dma = rtd->dai->cpu_dai->dma_data;
+ size_t totsize = params_buffer_bytes(params);
+ size_t period = params_period_bytes(params);
+ pxa_dma_desc *dma_desc;
+ dma_addr_t dma_buff_phys, next_desc_phys;
+ int ret;
+
+ /* return if this is a bufferless transfer e.g.
+ * codec <--> BT codec or GSM modem -- lg FIXME */
+ if (!dma)
+ return 0;
+
+ /* this may get called several times by oss emulation
+ * with different params */
+ if (prtd->params == NULL) {
+ prtd->params = dma;
+ ret = pxa_request_dma(prtd->params->name, DMA_PRIO_LOW,
+ pxa2xx_pcm_dma_irq, substream);
+ if (ret < 0)
+ return ret;
+ prtd->dma_ch = ret;
+ } else if (prtd->params != dma) {
+ pxa_free_dma(prtd->dma_ch);
+ prtd->params = dma;
+ ret = pxa_request_dma(prtd->params->name, DMA_PRIO_LOW,
+ pxa2xx_pcm_dma_irq, substream);
+ if (ret < 0)
+ return ret;
+ prtd->dma_ch = ret;
+ }
+
+ snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
+ runtime->dma_bytes = totsize;
+
+ dma_desc = prtd->dma_desc_array;
+ next_desc_phys = prtd->dma_desc_array_phys;
+ dma_buff_phys = runtime->dma_addr;
+ do {
+ next_desc_phys += sizeof(pxa_dma_desc);
+ dma_desc->ddadr = next_desc_phys;
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ dma_desc->dsadr = dma_buff_phys;
+ dma_desc->dtadr = prtd->params->dev_addr;
+ } else {
+ dma_desc->dsadr = prtd->params->dev_addr;
+ dma_desc->dtadr = dma_buff_phys;
+ }
+ if (period > totsize)
+ period = totsize;
+ dma_desc->dcmd = prtd->params->dcmd | period | DCMD_ENDIRQEN;
+ dma_desc++;
+ dma_buff_phys += period;
+ } while (totsize -= period);
+ dma_desc[-1].ddadr = prtd->dma_desc_array_phys;
+
+ return 0;
+}
+
+static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream)
+{
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+
+ if (prtd && prtd->params)
+ *prtd->params->drcmr = 0;
+
+ if (prtd->dma_ch) {
+ snd_pcm_set_runtime_buffer(substream, NULL);
+ pxa_free_dma(prtd->dma_ch);
+ prtd->dma_ch = 0;
+ }
+
+ return 0;
+}
+
+static int pxa2xx_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+
+ DCSR(prtd->dma_ch) &= ~DCSR_RUN;
+ DCSR(prtd->dma_ch) = 0;
+ DCMD(prtd->dma_ch) = 0;
+ *prtd->params->drcmr = prtd->dma_ch | DRCMR_MAPVLD;
+
+ return 0;
+}
+
+static int pxa2xx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ struct pxa2xx_runtime_data *prtd = substream->runtime->private_data;
+ int ret = 0;
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ DDADR(prtd->dma_ch) = prtd->dma_desc_array_phys;
+ DCSR(prtd->dma_ch) = DCSR_RUN;
+ break;
+
+ case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ DCSR(prtd->dma_ch) &= ~DCSR_RUN;
+ break;
+
+ case SNDRV_PCM_TRIGGER_RESUME:
+ DCSR(prtd->dma_ch) |= DCSR_RUN;
+ break;
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ DDADR(prtd->dma_ch) = prtd->dma_desc_array_phys;
+ DCSR(prtd->dma_ch) |= DCSR_RUN;
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+
+ return ret;
+}
+
+static snd_pcm_uframes_t
+pxa2xx_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd = runtime->private_data;
+
+ dma_addr_t ptr = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ?
+ DSADR(prtd->dma_ch) : DTADR(prtd->dma_ch);
+ snd_pcm_uframes_t x = bytes_to_frames(runtime, ptr - runtime->dma_addr);
+
+ if (x == runtime->buffer_size)
+ x = 0;
+ return x;
+}
+
+static int pxa2xx_pcm_open(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd;
+ int ret;
+
+ snd_soc_set_runtime_hwparams(substream, &pxa2xx_pcm_hardware);
+
+ /*
+ * For mysterious reasons (and despite what the manual says)
+ * playback samples are lost if the DMA count is not a multiple
+ * of the DMA burst size. Let's add a rule to enforce that.
+ */
+ ret = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 32);
+ if (ret)
+ goto out;
+
+ ret = snd_pcm_hw_constraint_step(runtime, 0,
+ SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 32);
+ if (ret)
+ goto out;
+
+ ret = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+ if (ret < 0)
+ goto out;
+
+ prtd = kzalloc(sizeof(struct pxa2xx_runtime_data), GFP_KERNEL);
+ if (prtd == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ prtd->dma_desc_array =
+ dma_alloc_writecombine(substream->pcm->card->dev, PAGE_SIZE,
+ &prtd->dma_desc_array_phys, GFP_KERNEL);
+ if (!prtd->dma_desc_array) {
+ ret = -ENOMEM;
+ goto err1;
+ }
+
+ runtime->private_data = prtd;
+ return 0;
+
+ err1:
+ kfree(prtd);
+ out:
+ return ret;
+}
+
+static int pxa2xx_pcm_close(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ struct pxa2xx_runtime_data *prtd = runtime->private_data;
+
+ dma_free_writecombine(substream->pcm->card->dev, PAGE_SIZE,
+ prtd->dma_desc_array, prtd->dma_desc_array_phys);
+ kfree(prtd);
+ return 0;
+}
+
+static int pxa2xx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ return dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+}
+
+struct snd_pcm_ops pxa2xx_pcm_ops = {
+ .open = pxa2xx_pcm_open,
+ .close = pxa2xx_pcm_close,
+ .ioctl = snd_pcm_lib_ioctl,
+ .hw_params = pxa2xx_pcm_hw_params,
+ .hw_free = pxa2xx_pcm_hw_free,
+ .prepare = pxa2xx_pcm_prepare,
+ .trigger = pxa2xx_pcm_trigger,
+ .pointer = pxa2xx_pcm_pointer,
+ .mmap = pxa2xx_pcm_mmap,
+};
+
+static int pxa2xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = pxa2xx_pcm_hardware.buffer_bytes_max;
+ buf->dev.type = SNDRV_DMA_TYPE_DEV;
+ buf->dev.dev = pcm->card->dev;
+ buf->private_data = NULL;
+ buf->area = dma_alloc_writecombine(pcm->card->dev, size,
+ &buf->addr, GFP_KERNEL);
+ if (!buf->area)
+ return -ENOMEM;
+ buf->bytes = size;
+ return 0;
+}
+
+static void pxa2xx_pcm_free_dma_buffers(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ substream = pcm->streams[stream].substream;
+ if (!substream)
+ continue;
+
+ buf = &substream->dma_buffer;
+ if (!buf->area)
+ continue;
+
+ dma_free_writecombine(pcm->card->dev, buf->bytes,
+ buf->area, buf->addr);
+ buf->area = NULL;
+ }
+}
+
+static u64 pxa2xx_pcm_dmamask = DMA_32BIT_MASK;
+
+int pxa2xx_pcm_new(struct snd_card *card, struct snd_soc_codec_dai *dai,
+ struct snd_pcm *pcm)
+{
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &pxa2xx_pcm_dmamask;
+ if (!card->dev->coherent_dma_mask)
+ card->dev->coherent_dma_mask = DMA_32BIT_MASK;
+
+ if (dai->playback.channels_min) {
+ ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (dai->capture.channels_min) {
+ ret = pxa2xx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+ out:
+ return ret;
+}
+
+struct snd_soc_platform pxa2xx_soc_platform = {
+ .name = "pxa2xx-audio",
+ .pcm_ops = &pxa2xx_pcm_ops,
+ .pcm_new = pxa2xx_pcm_new,
+ .pcm_free = pxa2xx_pcm_free_dma_buffers,
+};
+
+EXPORT_SYMBOL_GPL(pxa2xx_soc_platform);
+
+MODULE_AUTHOR("Nicolas Pitre");
+MODULE_DESCRIPTION("Intel PXA2xx PCM DMA module");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/pxa/pxa2xx-pcm.h b/sound/soc/pxa/pxa2xx-pcm.h
new file mode 100644
index 00000000000..54c9c755e50
--- /dev/null
+++ b/sound/soc/pxa/pxa2xx-pcm.h
@@ -0,0 +1,34 @@
+/*
+ * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
+ *
+ * Author: Nicolas Pitre
+ * Created: Nov 30, 2004
+ * Copyright: MontaVista Software, Inc.
+ *
+ * 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 _PXA2XX_PCM_H
+#define _PXA2XX_PCM_H
+
+struct pxa2xx_pcm_dma_params {
+ char *name; /* stream identifier */
+ u32 dcmd; /* DMA descriptor dcmd field */
+ volatile u32 *drcmr; /* the DMA request channel to use */
+ u32 dev_addr; /* device physical address for DMA */
+};
+
+struct pxa2xx_gpio {
+ u32 sys;
+ u32 rx;
+ u32 tx;
+ u32 clk;
+ u32 frm;
+};
+
+/* platform data */
+extern struct snd_soc_platform pxa2xx_soc_platform;
+
+#endif
diff --git a/sound/soc/pxa/spitz.c b/sound/soc/pxa/spitz.c
new file mode 100644
index 00000000000..80e82109fef
--- /dev/null
+++ b/sound/soc/pxa/spitz.c
@@ -0,0 +1,394 @@
+/*
+ * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * 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.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/scoop.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/akita.h>
+#include <asm/arch/spitz.h>
+#include <asm/mach-types.h>
+#include "../codecs/wm8750.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-i2s.h"
+
+#define SPITZ_HP 0
+#define SPITZ_MIC 1
+#define SPITZ_LINE 2
+#define SPITZ_HEADSET 3
+#define SPITZ_HP_OFF 4
+#define SPITZ_SPK_ON 0
+#define SPITZ_SPK_OFF 1
+
+ /* audio clock in Hz - rounded from 12.235MHz */
+#define SPITZ_AUDIO_CLOCK 12288000
+
+static int spitz_jack_func;
+static int spitz_spk_func;
+
+static void spitz_ext_control(struct snd_soc_codec *codec)
+{
+ if (spitz_spk_func == SPITZ_SPK_ON)
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", 1);
+ else
+ snd_soc_dapm_set_endpoint(codec, "Ext Spk", 0);
+
+ /* set up jack connection */
+ switch (spitz_jack_func) {
+ case SPITZ_HP:
+ /* enable and unmute hp jack, disable mic bias */
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 1);
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_MIC:
+ /* enable mic jack and bias, mute hp */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_LINE:
+ /* enable line jack, disable mic bias and mute hp */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_HEADSET:
+ /* enable and unmute headset jack enable mic bias, mute L hp */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 1);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 1);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ case SPITZ_HP_OFF:
+
+ /* jack removed, everything off */
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Mic Jack", 0);
+ snd_soc_dapm_set_endpoint(codec, "Line Jack", 0);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_L);
+ reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_MUTE_R);
+ break;
+ }
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int spitz_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ spitz_ext_control(codec);
+ return 0;
+}
+
+static int spitz_hw_params(struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *params)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai;
+ struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai;
+ unsigned int clk = 0;
+ int ret = 0;
+
+ switch (params_rate(params)) {
+ case 8000:
+ case 16000:
+ case 48000:
+ case 96000:
+ clk = 12288000;
+ break;
+ case 11025:
+ case 22050:
+ case 44100:
+ clk = 11289600;
+ break;
+ }
+
+ /* set codec DAI configuration */
+ ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set cpu DAI configuration */
+ ret = cpu_dai->dai_ops.set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S |
+ SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS);
+ if (ret < 0)
+ return ret;
+
+ /* set the codec system clock for DAC and ADC */
+ ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8750_SYSCLK, clk,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ /* set the I2S system clock as input (unused) */
+ ret = cpu_dai->dai_ops.set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0,
+ SND_SOC_CLOCK_IN);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static struct snd_soc_ops spitz_ops = {
+ .startup = spitz_startup,
+ .hw_params = spitz_hw_params,
+};
+
+static int spitz_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = spitz_jack_func;
+ return 0;
+}
+
+static int spitz_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (spitz_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ spitz_jack_func = ucontrol->value.integer.value[0];
+ spitz_ext_control(codec);
+ return 1;
+}
+
+static int spitz_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = spitz_spk_func;
+ return 0;
+}
+
+static int spitz_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (spitz_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ spitz_spk_func = ucontrol->value.integer.value[0];
+ spitz_ext_control(codec);
+ return 1;
+}
+
+static int spitz_mic_bias(struct snd_soc_dapm_widget *w, int event)
+{
+ if (machine_is_borzoi() || machine_is_spitz()) {
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_scoop_gpio(&spitzscoop2_device.dev,
+ SPITZ_SCP2_MIC_BIAS);
+ else
+ reset_scoop_gpio(&spitzscoop2_device.dev,
+ SPITZ_SCP2_MIC_BIAS);
+ }
+
+ if (machine_is_akita()) {
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ akita_set_ioexp(&akitaioexp_device.dev,
+ AKITA_IOEXP_MIC_BIAS);
+ else
+ akita_reset_ioexp(&akitaioexp_device.dev,
+ AKITA_IOEXP_MIC_BIAS);
+ }
+ return 0;
+}
+
+/* spitz machine dapm widgets */
+static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+ SND_SOC_DAPM_LINE("Line Jack", NULL),
+
+ /* headset is a mic and mono headphone */
+ SND_SOC_DAPM_HP("Headset Jack", NULL),
+};
+
+/* Spitz machine audio_map */
+static const char *audio_map[][3] = {
+
+ /* headphone connected to LOUT1, ROUT1 */
+ {"Headphone Jack", NULL, "LOUT1"},
+ {"Headphone Jack", NULL, "ROUT1"},
+
+ /* headset connected to ROUT1 and LINPUT1 with bias (def below) */
+ {"Headset Jack", NULL, "ROUT1"},
+
+ /* ext speaker connected to LOUT2, ROUT2 */
+ {"Ext Spk", NULL , "ROUT2"},
+ {"Ext Spk", NULL , "LOUT2"},
+
+ /* mic is connected to input 1 - with bias */
+ {"LINPUT1", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic Jack"},
+
+ /* line is connected to input 1 - no bias */
+ {"LINPUT1", NULL, "Line Jack"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
+ "Off"};
+static const char *spk_function[] = {"On", "Off"};
+static const struct soc_enum spitz_enum[] = {
+ SOC_ENUM_SINGLE_EXT(5, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const struct snd_kcontrol_new wm8750_spitz_controls[] = {
+ SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack,
+ spitz_set_jack),
+ SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk,
+ spitz_set_spk),
+};
+
+/*
+ * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device
+ */
+static int spitz_wm8750_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ /* NC codec pins */
+ snd_soc_dapm_set_endpoint(codec, "RINPUT1", 0);
+ snd_soc_dapm_set_endpoint(codec, "LINPUT2", 0);
+ snd_soc_dapm_set_endpoint(codec, "RINPUT2", 0);
+ snd_soc_dapm_set_endpoint(codec, "LINPUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "RINPUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "MONO", 0);
+
+ /* Add spitz specific controls */
+ for (i = 0; i < ARRAY_SIZE(wm8750_spitz_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&wm8750_spitz_controls[i], codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* Add spitz specific widgets */
+ for (i = 0; i < ARRAY_SIZE(wm8750_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &wm8750_dapm_widgets[i]);
+ }
+
+ /* Set up spitz specific audio path audio_map */
+ for (i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+/* spitz digital audio interface glue - connects codec <--> CPU */
+static struct snd_soc_dai_link spitz_dai = {
+ .name = "wm8750",
+ .stream_name = "WM8750",
+ .cpu_dai = &pxa_i2s_dai,
+ .codec_dai = &wm8750_dai,
+ .init = spitz_wm8750_init,
+ .ops = &spitz_ops,
+};
+
+/* spitz audio machine driver */
+static struct snd_soc_machine snd_soc_machine_spitz = {
+ .name = "Spitz",
+ .dai_link = &spitz_dai,
+ .num_links = 1,
+};
+
+/* spitz audio private data */
+static struct wm8750_setup_data spitz_wm8750_setup = {
+ .i2c_address = 0x1b,
+};
+
+/* spitz audio subsystem */
+static struct snd_soc_device spitz_snd_devdata = {
+ .machine = &snd_soc_machine_spitz,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm8750,
+ .codec_data = &spitz_wm8750_setup,
+};
+
+static struct platform_device *spitz_snd_device;
+
+static int __init spitz_init(void)
+{
+ int ret;
+
+ if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita()))
+ return -ENODEV;
+
+ spitz_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!spitz_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(spitz_snd_device, &spitz_snd_devdata);
+ spitz_snd_devdata.dev = &spitz_snd_device->dev;
+ ret = platform_device_add(spitz_snd_device);
+
+ if (ret)
+ platform_device_put(spitz_snd_device);
+
+ return ret;
+}
+
+static void __exit spitz_exit(void)
+{
+ platform_device_unregister(spitz_snd_device);
+}
+
+module_init(spitz_init);
+module_exit(spitz_exit);
+
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Spitz");
+MODULE_LICENSE("GPL");
diff --git a/sound/soc/pxa/tosa.c b/sound/soc/pxa/tosa.c
new file mode 100644
index 00000000000..5504e30acf1
--- /dev/null
+++ b/sound/soc/pxa/tosa.c
@@ -0,0 +1,289 @@
+/*
+ * tosa.c -- SoC audio for Tosa
+ *
+ * Copyright 2005 Wolfson Microelectronics PLC.
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Authors: Liam Girdwood <liam.girdwood@wolfsonmicro.com>
+ * Richard Purdie <richard@openedhand.com>
+ *
+ * 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.
+ *
+ * Revision history
+ * 30th Nov 2005 Initial version.
+ *
+ * GPIO's
+ * 1 - Jack Insertion
+ * 5 - Hookswitch (headset answer/hang up switch)
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/device.h>
+
+#include <sound/driver.h>
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware/tmio.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/audio.h>
+#include <asm/arch/tosa.h>
+
+#include "../codecs/wm9712.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-ac97.h"
+
+static struct snd_soc_machine tosa;
+
+#define TOSA_HP 0
+#define TOSA_MIC_INT 1
+#define TOSA_HEADSET 2
+#define TOSA_HP_OFF 3
+#define TOSA_SPK_ON 0
+#define TOSA_SPK_OFF 1
+
+static int tosa_jack_func;
+static int tosa_spk_func;
+
+static void tosa_ext_control(struct snd_soc_codec *codec)
+{
+ int spk = 0, mic_int = 0, hp = 0, hs = 0;
+
+ /* set up jack connection */
+ switch (tosa_jack_func) {
+ case TOSA_HP:
+ hp = 1;
+ break;
+ case TOSA_MIC_INT:
+ mic_int = 1;
+ break;
+ case TOSA_HEADSET:
+ hs = 1;
+ break;
+ }
+
+ if (tosa_spk_func == TOSA_SPK_ON)
+ spk = 1;
+
+ snd_soc_dapm_set_endpoint(codec, "Speaker", spk);
+ snd_soc_dapm_set_endpoint(codec, "Mic (Internal)", mic_int);
+ snd_soc_dapm_set_endpoint(codec, "Headphone Jack", hp);
+ snd_soc_dapm_set_endpoint(codec, "Headset Jack", hs);
+ snd_soc_dapm_sync_endpoints(codec);
+}
+
+static int tosa_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_codec *codec = rtd->socdev->codec;
+
+ /* check the jack status at stream startup */
+ tosa_ext_control(codec);
+ return 0;
+}
+
+static struct snd_soc_ops tosa_ops = {
+ .startup = tosa_startup,
+};
+
+static int tosa_get_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = tosa_jack_func;
+ return 0;
+}
+
+static int tosa_set_jack(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (tosa_jack_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ tosa_jack_func = ucontrol->value.integer.value[0];
+ tosa_ext_control(codec);
+ return 1;
+}
+
+static int tosa_get_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ ucontrol->value.integer.value[0] = tosa_spk_func;
+ return 0;
+}
+
+static int tosa_set_spk(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+
+ if (tosa_spk_func == ucontrol->value.integer.value[0])
+ return 0;
+
+ tosa_spk_func = ucontrol->value.integer.value[0];
+ tosa_ext_control(codec);
+ return 1;
+}
+
+/* tosa dapm event handlers */
+static int tosa_hp_event(struct snd_soc_dapm_widget *w, int event)
+{
+ if (SND_SOC_DAPM_EVENT_ON(event))
+ set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
+ else
+ reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_L_MUTE);
+ return 0;
+}
+
+/* tosa machine dapm widgets */
+static const struct snd_soc_dapm_widget tosa_dapm_widgets[] = {
+SND_SOC_DAPM_HP("Headphone Jack", tosa_hp_event),
+SND_SOC_DAPM_HP("Headset Jack", NULL),
+SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
+SND_SOC_DAPM_SPK("Speaker", NULL),
+};
+
+/* tosa audio map */
+static const char *audio_map[][3] = {
+
+ /* headphone connected to HPOUTL, HPOUTR */
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Headphone Jack", NULL, "HPOUTR"},
+
+ /* ext speaker connected to LOUT2, ROUT2 */
+ {"Speaker", NULL, "LOUT2"},
+ {"Speaker", NULL, "ROUT2"},
+
+ /* internal mic is connected to mic1, mic2 differential - with bias */
+ {"MIC1", NULL, "Mic Bias"},
+ {"MIC2", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Mic (Internal)"},
+
+ /* headset is connected to HPOUTR, and LINEINR with bias */
+ {"Headset Jack", NULL, "HPOUTR"},
+ {"LINEINR", NULL, "Mic Bias"},
+ {"Mic Bias", NULL, "Headset Jack"},
+
+ {NULL, NULL, NULL},
+};
+
+static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset",
+ "Off"};
+static const char *spk_function[] = {"On", "Off"};
+static const struct soc_enum tosa_enum[] = {
+ SOC_ENUM_SINGLE_EXT(5, jack_function),
+ SOC_ENUM_SINGLE_EXT(2, spk_function),
+};
+
+static const struct snd_kcontrol_new tosa_controls[] = {
+ SOC_ENUM_EXT("Jack Function", tosa_enum[0], tosa_get_jack,
+ tosa_set_jack),
+ SOC_ENUM_EXT("Speaker Function", tosa_enum[1], tosa_get_spk,
+ tosa_set_spk),
+};
+
+static int tosa_ac97_init(struct snd_soc_codec *codec)
+{
+ int i, err;
+
+ snd_soc_dapm_set_endpoint(codec, "OUT3", 0);
+ snd_soc_dapm_set_endpoint(codec, "MONOOUT", 0);
+
+ /* add tosa specific controls */
+ for (i = 0; i < ARRAY_SIZE(tosa_controls); i++) {
+ err = snd_ctl_add(codec->card,
+ snd_soc_cnew(&tosa_controls[i],codec, NULL));
+ if (err < 0)
+ return err;
+ }
+
+ /* add tosa specific widgets */
+ for (i = 0; i < ARRAY_SIZE(tosa_dapm_widgets); i++) {
+ snd_soc_dapm_new_control(codec, &tosa_dapm_widgets[i]);
+ }
+
+ /* set up tosa specific audio path audio_map */
+ for (i = 0; audio_map[i][0] != NULL; i++) {
+ snd_soc_dapm_connect_input(codec, audio_map[i][0],
+ audio_map[i][1], audio_map[i][2]);
+ }
+
+ snd_soc_dapm_sync_endpoints(codec);
+ return 0;
+}
+
+static struct snd_soc_dai_link tosa_dai[] = {
+{
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_HIFI],
+ .init = tosa_ac97_init,
+ .ops = &tosa_ops,
+},
+{
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
+ .ops = &tosa_ops,
+},
+};
+
+static struct snd_soc_machine tosa = {
+ .name = "Tosa",
+ .dai_link = tosa_dai,
+ .num_links = ARRAY_SIZE(tosa_dai),
+};
+
+static struct snd_soc_device tosa_snd_devdata = {
+ .machine = &tosa,
+ .platform = &pxa2xx_soc_platform,
+ .codec_dev = &soc_codec_dev_wm9712,
+};
+
+static struct platform_device *tosa_snd_device;
+
+static int __init tosa_init(void)
+{
+ int ret;
+
+ if (!machine_is_tosa())
+ return -ENODEV;
+
+ tosa_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!tosa_snd_device)
+ return -ENOMEM;
+
+ platform_set_drvdata(tosa_snd_device, &tosa_snd_devdata);
+ tosa_snd_devdata.dev = &tosa_snd_device->dev;
+ ret = platform_device_add(tosa_snd_device);
+
+ if (ret)
+ platform_device_put(tosa_snd_device);
+
+ return ret;
+}
+
+static void __exit tosa_exit(void)
+{
+ platform_device_unregister(tosa_snd_device);
+}
+
+module_init(tosa_init);
+module_exit(tosa_exit);
+
+/* Module information */
+MODULE_AUTHOR("Richard Purdie");
+MODULE_DESCRIPTION("ALSA SoC Tosa");
+MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.25.1) at 2024-09-02 10:04:07 +0000