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-rw-r--r--sound/soc/pxa/Kconfig18
-rw-r--r--sound/soc/pxa/Makefile4
-rw-r--r--sound/soc/pxa/e740_wm9705.c211
-rw-r--r--sound/soc/pxa/e750_wm9705.c187
-rw-r--r--sound/soc/pxa/e800_wm9712.c115
-rw-r--r--sound/soc/pxa/zylonite.c93
6 files changed, 604 insertions, 24 deletions
diff --git a/sound/soc/pxa/Kconfig b/sound/soc/pxa/Kconfig
index f82e1069947..958ac3fe15d 100644
--- a/sound/soc/pxa/Kconfig
+++ b/sound/soc/pxa/Kconfig
@@ -61,6 +61,24 @@ config SND_PXA2XX_SOC_TOSA
Say Y if you want to add support for SoC audio on Sharp
Zaurus SL-C6000x models (Tosa).
+config SND_PXA2XX_SOC_E740
+ tristate "SoC AC97 Audio support for e740"
+ depends on SND_PXA2XX_SOC && MACH_E740
+ select SND_SOC_WM9705
+ select SND_PXA2XX_SOC_AC97
+ help
+ Say Y if you want to add support for SoC audio on the
+ toshiba e740 PDA
+
+config SND_PXA2XX_SOC_E750
+ tristate "SoC AC97 Audio support for e750"
+ depends on SND_PXA2XX_SOC && MACH_E750
+ select SND_SOC_WM9705
+ select SND_PXA2XX_SOC_AC97
+ help
+ Say Y if you want to add support for SoC audio on the
+ toshiba e750 PDA
+
config SND_PXA2XX_SOC_E800
tristate "SoC AC97 Audio support for e800"
depends on SND_PXA2XX_SOC && MACH_E800
diff --git a/sound/soc/pxa/Makefile b/sound/soc/pxa/Makefile
index 08a9f279772..97a51a8c936 100644
--- a/sound/soc/pxa/Makefile
+++ b/sound/soc/pxa/Makefile
@@ -13,6 +13,8 @@ obj-$(CONFIG_SND_PXA_SOC_SSP) += snd-soc-pxa-ssp.o
snd-soc-corgi-objs := corgi.o
snd-soc-poodle-objs := poodle.o
snd-soc-tosa-objs := tosa.o
+snd-soc-e740-objs := e740_wm9705.o
+snd-soc-e750-objs := e750_wm9705.o
snd-soc-e800-objs := e800_wm9712.o
snd-soc-spitz-objs := spitz.o
snd-soc-em-x270-objs := em-x270.o
@@ -22,6 +24,8 @@ snd-soc-zylonite-objs := zylonite.o
obj-$(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-$(CONFIG_SND_PXA2XX_SOC_E740) += snd-soc-e740.o
+obj-$(CONFIG_SND_PXA2XX_SOC_E750) += snd-soc-e750.o
obj-$(CONFIG_SND_PXA2XX_SOC_E800) += snd-soc-e800.o
obj-$(CONFIG_SND_PXA2XX_SOC_SPITZ) += snd-soc-spitz.o
obj-$(CONFIG_SND_PXA2XX_SOC_EM_X270) += snd-soc-em-x270.o
diff --git a/sound/soc/pxa/e740_wm9705.c b/sound/soc/pxa/e740_wm9705.c
new file mode 100644
index 00000000000..7cd2f89d7b1
--- /dev/null
+++ b/sound/soc/pxa/e740_wm9705.c
@@ -0,0 +1,211 @@
+/*
+ * e740-wm9705.c -- SoC audio for e740
+ *
+ * Copyright 2007 (c) Ian Molton <spyro@f2s.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; version 2 ONLY.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/gpio.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <mach/audio.h>
+#include <mach/eseries-gpio.h>
+
+#include <asm/mach-types.h>
+
+#include "../codecs/wm9705.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-ac97.h"
+
+
+#define E740_AUDIO_OUT 1
+#define E740_AUDIO_IN 2
+
+static int e740_audio_power;
+
+static void e740_sync_audio_power(int status)
+{
+ gpio_set_value(GPIO_E740_WM9705_nAVDD2, !status);
+ gpio_set_value(GPIO_E740_AMP_ON, (status & E740_AUDIO_OUT) ? 1 : 0);
+ gpio_set_value(GPIO_E740_MIC_ON, (status & E740_AUDIO_IN) ? 1 : 0);
+}
+
+static int e740_mic_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (event & SND_SOC_DAPM_PRE_PMU)
+ e740_audio_power |= E740_AUDIO_IN;
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ e740_audio_power &= ~E740_AUDIO_IN;
+
+ e740_sync_audio_power(e740_audio_power);
+
+ return 0;
+}
+
+static int e740_output_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (event & SND_SOC_DAPM_PRE_PMU)
+ e740_audio_power |= E740_AUDIO_OUT;
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ e740_audio_power &= ~E740_AUDIO_OUT;
+
+ e740_sync_audio_power(e740_audio_power);
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget e740_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
+ SND_SOC_DAPM_PGA_E("Output Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
+ e740_output_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PGA_E("Mic Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
+ e740_mic_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Output Amp", NULL, "LOUT"},
+ {"Output Amp", NULL, "ROUT"},
+ {"Output Amp", NULL, "MONOOUT"},
+
+ {"Speaker", NULL, "Output Amp"},
+ {"Headphone Jack", NULL, "Output Amp"},
+
+ {"MIC1", NULL, "Mic Amp"},
+ {"Mic Amp", NULL, "Mic (Internal)"},
+};
+
+static int e740_ac97_init(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_nc_pin(codec, "HPOUTL");
+ snd_soc_dapm_nc_pin(codec, "HPOUTR");
+ snd_soc_dapm_nc_pin(codec, "PHONE");
+ snd_soc_dapm_nc_pin(codec, "LINEINL");
+ snd_soc_dapm_nc_pin(codec, "LINEINR");
+ snd_soc_dapm_nc_pin(codec, "CDINL");
+ snd_soc_dapm_nc_pin(codec, "CDINR");
+ snd_soc_dapm_nc_pin(codec, "PCBEEP");
+ snd_soc_dapm_nc_pin(codec, "MIC2");
+
+ snd_soc_dapm_new_controls(codec, e740_dapm_widgets,
+ ARRAY_SIZE(e740_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
+}
+
+static struct snd_soc_dai_link e740_dai[] = {
+ {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9705_dai[WM9705_DAI_AC97_HIFI],
+ .init = e740_ac97_init,
+ },
+ {
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9705_dai[WM9705_DAI_AC97_AUX],
+ },
+};
+
+static struct snd_soc_card e740 = {
+ .name = "Toshiba e740",
+ .platform = &pxa2xx_soc_platform,
+ .dai_link = e740_dai,
+ .num_links = ARRAY_SIZE(e740_dai),
+};
+
+static struct snd_soc_device e740_snd_devdata = {
+ .card = &e740,
+ .codec_dev = &soc_codec_dev_wm9705,
+};
+
+static struct platform_device *e740_snd_device;
+
+static int __init e740_init(void)
+{
+ int ret;
+
+ if (!machine_is_e740())
+ return -ENODEV;
+
+ ret = gpio_request(GPIO_E740_MIC_ON, "Mic amp");
+ if (ret)
+ return ret;
+
+ ret = gpio_request(GPIO_E740_AMP_ON, "Output amp");
+ if (ret)
+ goto free_mic_amp_gpio;
+
+ ret = gpio_request(GPIO_E740_WM9705_nAVDD2, "Audio power");
+ if (ret)
+ goto free_op_amp_gpio;
+
+ /* Disable audio */
+ ret = gpio_direction_output(GPIO_E740_MIC_ON, 0);
+ if (ret)
+ goto free_apwr_gpio;
+ ret = gpio_direction_output(GPIO_E740_AMP_ON, 0);
+ if (ret)
+ goto free_apwr_gpio;
+ ret = gpio_direction_output(GPIO_E740_WM9705_nAVDD2, 1);
+ if (ret)
+ goto free_apwr_gpio;
+
+ e740_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!e740_snd_device) {
+ ret = -ENOMEM;
+ goto free_apwr_gpio;
+ }
+
+ platform_set_drvdata(e740_snd_device, &e740_snd_devdata);
+ e740_snd_devdata.dev = &e740_snd_device->dev;
+ ret = platform_device_add(e740_snd_device);
+
+ if (!ret)
+ return 0;
+
+/* Fail gracefully */
+ platform_device_put(e740_snd_device);
+free_apwr_gpio:
+ gpio_free(GPIO_E740_WM9705_nAVDD2);
+free_op_amp_gpio:
+ gpio_free(GPIO_E740_AMP_ON);
+free_mic_amp_gpio:
+ gpio_free(GPIO_E740_MIC_ON);
+
+ return ret;
+}
+
+static void __exit e740_exit(void)
+{
+ platform_device_unregister(e740_snd_device);
+}
+
+module_init(e740_init);
+module_exit(e740_exit);
+
+/* Module information */
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_DESCRIPTION("ALSA SoC driver for e740");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/pxa/e750_wm9705.c b/sound/soc/pxa/e750_wm9705.c
new file mode 100644
index 00000000000..8dceccc5e05
--- /dev/null
+++ b/sound/soc/pxa/e750_wm9705.c
@@ -0,0 +1,187 @@
+/*
+ * e750-wm9705.c -- SoC audio for e750
+ *
+ * Copyright 2007 (c) Ian Molton <spyro@f2s.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; version 2 ONLY.
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/gpio.h>
+
+#include <sound/core.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/soc-dapm.h>
+
+#include <mach/audio.h>
+#include <mach/eseries-gpio.h>
+
+#include <asm/mach-types.h>
+
+#include "../codecs/wm9705.h"
+#include "pxa2xx-pcm.h"
+#include "pxa2xx-ac97.h"
+
+static int e750_spk_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (event & SND_SOC_DAPM_PRE_PMU)
+ gpio_set_value(GPIO_E750_SPK_AMP_OFF, 0);
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ gpio_set_value(GPIO_E750_SPK_AMP_OFF, 1);
+
+ return 0;
+}
+
+static int e750_hp_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (event & SND_SOC_DAPM_PRE_PMU)
+ gpio_set_value(GPIO_E750_HP_AMP_OFF, 0);
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ gpio_set_value(GPIO_E750_HP_AMP_OFF, 1);
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget e750_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_MIC("Mic (Internal)", NULL),
+ SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
+ e750_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
+ e750_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Headphone Amp", NULL, "HPOUTL"},
+ {"Headphone Amp", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "Headphone Amp"},
+
+ {"Speaker Amp", NULL, "MONOOUT"},
+ {"Speaker", NULL, "Speaker Amp"},
+
+ {"MIC1", NULL, "Mic (Internal)"},
+};
+
+static int e750_ac97_init(struct snd_soc_codec *codec)
+{
+ snd_soc_dapm_nc_pin(codec, "LOUT");
+ snd_soc_dapm_nc_pin(codec, "ROUT");
+ snd_soc_dapm_nc_pin(codec, "PHONE");
+ snd_soc_dapm_nc_pin(codec, "LINEINL");
+ snd_soc_dapm_nc_pin(codec, "LINEINR");
+ snd_soc_dapm_nc_pin(codec, "CDINL");
+ snd_soc_dapm_nc_pin(codec, "CDINR");
+ snd_soc_dapm_nc_pin(codec, "PCBEEP");
+ snd_soc_dapm_nc_pin(codec, "MIC2");
+
+ snd_soc_dapm_new_controls(codec, e750_dapm_widgets,
+ ARRAY_SIZE(e750_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+
+ snd_soc_dapm_sync(codec);
+
+ return 0;
+}
+
+static struct snd_soc_dai_link e750_dai[] = {
+ {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_HIFI],
+ .codec_dai = &wm9705_dai[WM9705_DAI_AC97_HIFI],
+ .init = e750_ac97_init,
+ /* use ops to check startup state */
+ },
+ {
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9705_dai[WM9705_DAI_AC97_AUX],
+ },
+};
+
+static struct snd_soc_card e750 = {
+ .name = "Toshiba e750",
+ .platform = &pxa2xx_soc_platform,
+ .dai_link = e750_dai,
+ .num_links = ARRAY_SIZE(e750_dai),
+};
+
+static struct snd_soc_device e750_snd_devdata = {
+ .card = &e750,
+ .codec_dev = &soc_codec_dev_wm9705,
+};
+
+static struct platform_device *e750_snd_device;
+
+static int __init e750_init(void)
+{
+ int ret;
+
+ if (!machine_is_e750())
+ return -ENODEV;
+
+ ret = gpio_request(GPIO_E750_HP_AMP_OFF, "Headphone amp");
+ if (ret)
+ return ret;
+
+ ret = gpio_request(GPIO_E750_SPK_AMP_OFF, "Speaker amp");
+ if (ret)
+ goto free_hp_amp_gpio;
+
+ ret = gpio_direction_output(GPIO_E750_HP_AMP_OFF, 1);
+ if (ret)
+ goto free_spk_amp_gpio;
+
+ ret = gpio_direction_output(GPIO_E750_SPK_AMP_OFF, 1);
+ if (ret)
+ goto free_spk_amp_gpio;
+
+ e750_snd_device = platform_device_alloc("soc-audio", -1);
+ if (!e750_snd_device) {
+ ret = -ENOMEM;
+ goto free_spk_amp_gpio;
+ }
+
+ platform_set_drvdata(e750_snd_device, &e750_snd_devdata);
+ e750_snd_devdata.dev = &e750_snd_device->dev;
+ ret = platform_device_add(e750_snd_device);
+
+ if (!ret)
+ return 0;
+
+/* Fail gracefully */
+ platform_device_put(e750_snd_device);
+free_spk_amp_gpio:
+ gpio_free(GPIO_E750_SPK_AMP_OFF);
+free_hp_amp_gpio:
+ gpio_free(GPIO_E750_HP_AMP_OFF);
+
+ return ret;
+}
+
+static void __exit e750_exit(void)
+{
+ platform_device_unregister(e750_snd_device);
+ gpio_free(GPIO_E750_SPK_AMP_OFF);
+ gpio_free(GPIO_E750_HP_AMP_OFF);
+}
+
+module_init(e750_init);
+module_exit(e750_exit);
+
+/* Module information */
+MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
+MODULE_DESCRIPTION("ALSA SoC driver for e750");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/pxa/e800_wm9712.c b/sound/soc/pxa/e800_wm9712.c
index 2e3386dfa0f..bc019cdce42 100644
--- a/sound/soc/pxa/e800_wm9712.c
+++ b/sound/soc/pxa/e800_wm9712.c
@@ -1,8 +1,6 @@
/*
* e800-wm9712.c -- SoC audio for e800
*
- * Based on tosa.c
- *
* Copyright 2007 (c) Ian Molton <spyro@f2s.com>
*
* This program is free software; you can redistribute it and/or modify it
@@ -13,7 +11,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
-#include <linux/device.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -21,23 +19,85 @@
#include <sound/soc-dapm.h>
#include <asm/mach-types.h>
-#include <mach/pxa-regs.h>
-#include <mach/hardware.h>
#include <mach/audio.h>
+#include <mach/eseries-gpio.h>
#include "../codecs/wm9712.h"
#include "pxa2xx-pcm.h"
#include "pxa2xx-ac97.h"
-static struct snd_soc_card e800;
+static int e800_spk_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (event & SND_SOC_DAPM_PRE_PMU)
+ gpio_set_value(GPIO_E800_SPK_AMP_ON, 1);
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ gpio_set_value(GPIO_E800_SPK_AMP_ON, 0);
-static struct snd_soc_dai_link e800_dai[] = {
+ return 0;
+}
+
+static int e800_hp_amp_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ if (event & SND_SOC_DAPM_PRE_PMU)
+ gpio_set_value(GPIO_E800_HP_AMP_OFF, 0);
+ else if (event & SND_SOC_DAPM_POST_PMD)
+ gpio_set_value(GPIO_E800_HP_AMP_OFF, 1);
+
+ return 0;
+}
+
+static const struct snd_soc_dapm_widget e800_dapm_widgets[] = {
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_MIC("Mic (Internal1)", NULL),
+ SND_SOC_DAPM_MIC("Mic (Internal2)", NULL),
+ SND_SOC_DAPM_SPK("Speaker", NULL),
+ SND_SOC_DAPM_PGA_E("Headphone Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
+ e800_hp_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+ SND_SOC_DAPM_PGA_E("Speaker Amp", SND_SOC_NOPM, 0, 0, NULL, 0,
+ e800_spk_amp_event, SND_SOC_DAPM_PRE_PMU |
+ SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route audio_map[] = {
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Headphone Jack", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "Headphone Amp"},
+
+ {"Speaker Amp", NULL, "MONOOUT"},
+ {"Speaker", NULL, "Speaker Amp"},
+
+ {"MIC1", NULL, "Mic (Internal1)"},
+ {"MIC2", NULL, "Mic (Internal2)"},
+};
+
+static int e800_ac97_init(struct snd_soc_codec *codec)
{
- .name = "AC97 Aux",
- .stream_name = "AC97 Aux",
- .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
- .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
-},
+ snd_soc_dapm_new_controls(codec, e800_dapm_widgets,
+ ARRAY_SIZE(e800_dapm_widgets));
+
+ snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
+ snd_soc_dapm_sync(codec);
+
+ return 0;
+}
+
+static struct snd_soc_dai_link e800_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 = e800_ac97_init,
+ },
+ {
+ .name = "AC97 Aux",
+ .stream_name = "AC97 Aux",
+ .cpu_dai = &pxa_ac97_dai[PXA2XX_DAI_AC97_AUX],
+ .codec_dai = &wm9712_dai[WM9712_DAI_AC97_AUX],
+ },
};
static struct snd_soc_card e800 = {
@@ -61,6 +121,22 @@ static int __init e800_init(void)
if (!machine_is_e800())
return -ENODEV;
+ ret = gpio_request(GPIO_E800_HP_AMP_OFF, "Headphone amp");
+ if (ret)
+ return ret;
+
+ ret = gpio_request(GPIO_E800_SPK_AMP_ON, "Speaker amp");
+ if (ret)
+ goto free_hp_amp_gpio;
+
+ ret = gpio_direction_output(GPIO_E800_HP_AMP_OFF, 1);
+ if (ret)
+ goto free_spk_amp_gpio;
+
+ ret = gpio_direction_output(GPIO_E800_SPK_AMP_ON, 1);
+ if (ret)
+ goto free_spk_amp_gpio;
+
e800_snd_device = platform_device_alloc("soc-audio", -1);
if (!e800_snd_device)
return -ENOMEM;
@@ -69,8 +145,15 @@ static int __init e800_init(void)
e800_snd_devdata.dev = &e800_snd_device->dev;
ret = platform_device_add(e800_snd_device);
- if (ret)
- platform_device_put(e800_snd_device);
+ if (!ret)
+ return 0;
+
+/* Fail gracefully */
+ platform_device_put(e800_snd_device);
+free_spk_amp_gpio:
+ gpio_free(GPIO_E800_SPK_AMP_ON);
+free_hp_amp_gpio:
+ gpio_free(GPIO_E800_HP_AMP_OFF);
return ret;
}
@@ -78,6 +161,8 @@ static int __init e800_init(void)
static void __exit e800_exit(void)
{
platform_device_unregister(e800_snd_device);
+ gpio_free(GPIO_E800_SPK_AMP_ON);
+ gpio_free(GPIO_E800_HP_AMP_OFF);
}
module_init(e800_init);
@@ -86,4 +171,4 @@ module_exit(e800_exit);
/* Module information */
MODULE_AUTHOR("Ian Molton <spyro@f2s.com>");
MODULE_DESCRIPTION("ALSA SoC driver for e800");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
diff --git a/sound/soc/pxa/zylonite.c b/sound/soc/pxa/zylonite.c
index f8e9ecd589d..ec2fb764b24 100644
--- a/sound/soc/pxa/zylonite.c
+++ b/sound/soc/pxa/zylonite.c
@@ -14,6 +14,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/device.h>
+#include <linux/clk.h>
#include <linux/i2c.h>
#include <sound/core.h>
#include <sound/pcm.h>
@@ -26,6 +27,17 @@
#include "pxa2xx-ac97.h"
#include "pxa-ssp.h"
+/*
+ * There is a physical switch SW15 on the board which changes the MCLK
+ * for the WM9713 between the standard AC97 master clock and the
+ * output of the CLK_POUT signal from the PXA.
+ */
+static int clk_pout;
+module_param(clk_pout, int, 0);
+MODULE_PARM_DESC(clk_pout, "Use CLK_POUT as WM9713 MCLK (SW15 on board).");
+
+static struct clk *pout;
+
static struct snd_soc_card zylonite;
static const struct snd_soc_dapm_widget zylonite_dapm_widgets[] = {
@@ -61,10 +73,8 @@ static const struct snd_soc_dapm_route audio_map[] = {
static int zylonite_wm9713_init(struct snd_soc_codec *codec)
{
- /* Currently we only support use of the AC97 clock here. If
- * CLK_POUT is selected by SW15 then the clock API will need
- * to be used to request and enable it here.
- */
+ if (clk_pout)
+ snd_soc_dai_set_pll(&codec->dai[0], 0, clk_get_rate(pout), 0);
snd_soc_dapm_new_controls(codec, zylonite_dapm_widgets,
ARRAY_SIZE(zylonite_dapm_widgets));
@@ -135,11 +145,12 @@ static int zylonite_voice_hw_params(struct snd_pcm_substream *substream,
if (ret < 0)
return ret;
- /* Note that if the PLL is in use the WM9713_PCMCLK_PLL_DIV needs
- * to be set instead.
- */
- ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_DIV,
- WM9713_PCMDIV(wm9713_div));
+ if (clk_pout)
+ ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_PLL_DIV,
+ WM9713_PCMDIV(wm9713_div));
+ else
+ ret = snd_soc_dai_set_clkdiv(codec_dai, WM9713_PCMCLK_DIV,
+ WM9713_PCMDIV(wm9713_div));
if (ret < 0)
return ret;
@@ -173,8 +184,72 @@ static struct snd_soc_dai_link zylonite_dai[] = {
},
};
+static int zylonite_probe(struct platform_device *pdev)
+{
+ int ret;
+
+ if (clk_pout) {
+ pout = clk_get(NULL, "CLK_POUT");
+ if (IS_ERR(pout)) {
+ dev_err(&pdev->dev, "Unable to obtain CLK_POUT: %ld\n",
+ PTR_ERR(pout));
+ return PTR_ERR(pout);
+ }
+
+ ret = clk_enable(pout);
+ if (ret != 0) {
+ dev_err(&pdev->dev, "Unable to enable CLK_POUT: %d\n",
+ ret);
+ clk_put(pout);
+ return ret;
+ }
+
+ dev_dbg(&pdev->dev, "MCLK enabled at %luHz\n",
+ clk_get_rate(pout));
+ }
+
+ return 0;
+}
+
+static int zylonite_remove(struct platform_device *pdev)
+{
+ if (clk_pout) {
+ clk_disable(pout);
+ clk_put(pout);
+ }
+
+ return 0;
+}
+
+static int zylonite_suspend_post(struct platform_device *pdev,
+ pm_message_t state)
+{
+ if (clk_pout)
+ clk_disable(pout);
+
+ return 0;
+}
+
+static int zylonite_resume_pre(struct platform_device *pdev)
+{
+ int ret = 0;
+
+ if (clk_pout) {
+ ret = clk_enable(pout);
+ if (ret != 0)
+ dev_err(&pdev->dev, "Unable to enable CLK_POUT: %d\n",
+ ret);
+ }
+
+ return ret;
+}
+
static struct snd_soc_card zylonite = {
.name = "Zylonite",
+ .probe = &zylonite_probe,
+ .remove = &zylonite_remove,
+ .suspend_post = &zylonite_suspend_post,
+ .resume_pre = &zylonite_resume_pre,
.platform = &pxa2xx_soc_platform,
.dai_link = zylonite_dai,
.num_links = ARRAY_SIZE(zylonite_dai),