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Diffstat (limited to 'sound/soc/omap/ams-delta.c')
-rw-r--r--sound/soc/omap/ams-delta.c235
1 files changed, 93 insertions, 142 deletions
diff --git a/sound/soc/omap/ams-delta.c b/sound/soc/omap/ams-delta.c
index a67f4370bc9..0cc41f94de4 100644
--- a/sound/soc/omap/ams-delta.c
+++ b/sound/soc/omap/ams-delta.c
@@ -32,14 +32,12 @@
#include <asm/mach-types.h>
-#include <plat/board-ams-delta.h>
-#include <plat/mcbsp.h>
+#include <mach/board-ams-delta.h>
+#include <linux/platform_data/asoc-ti-mcbsp.h>
#include "omap-mcbsp.h"
-#include "omap-pcm.h"
#include "../codecs/cx20442.h"
-
/* Board specific DAPM widgets */
static const struct snd_soc_dapm_widget ams_delta_dapm_widgets[] = {
/* Handset */
@@ -91,73 +89,81 @@ static const unsigned short ams_delta_audio_mode_pins[] = {
static unsigned short ams_delta_audio_agc;
+/*
+ * Used for passing a codec structure pointer
+ * from the board initialization code to the tty line discipline.
+ */
+static struct snd_soc_codec *cx20442_codec;
+
static int ams_delta_set_audio_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_context *dapm = &card->dapm;
struct soc_enum *control = (struct soc_enum *)kcontrol->private_value;
unsigned short pins;
int pin, changed = 0;
/* Refuse any mode changes if we are not able to control the codec. */
- if (!codec->hw_write)
+ if (!cx20442_codec->hw_write)
return -EUNATCH;
- if (ucontrol->value.enumerated.item[0] >= control->max)
+ if (ucontrol->value.enumerated.item[0] >= control->items)
return -EINVAL;
- mutex_lock(&codec->mutex);
+ snd_soc_dapm_mutex_lock(dapm);
/* Translate selection to bitmap */
pins = ams_delta_audio_mode_pins[ucontrol->value.enumerated.item[0]];
/* Setup pins after corresponding bits if changed */
pin = !!(pins & (1 << AMS_DELTA_MOUTHPIECE));
+
if (pin != snd_soc_dapm_get_pin_status(dapm, "Mouthpiece")) {
changed = 1;
if (pin)
- snd_soc_dapm_enable_pin(dapm, "Mouthpiece");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Mouthpiece");
else
- snd_soc_dapm_disable_pin(dapm, "Mouthpiece");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Mouthpiece");
}
pin = !!(pins & (1 << AMS_DELTA_EARPIECE));
if (pin != snd_soc_dapm_get_pin_status(dapm, "Earpiece")) {
changed = 1;
if (pin)
- snd_soc_dapm_enable_pin(dapm, "Earpiece");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Earpiece");
else
- snd_soc_dapm_disable_pin(dapm, "Earpiece");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Earpiece");
}
pin = !!(pins & (1 << AMS_DELTA_MICROPHONE));
if (pin != snd_soc_dapm_get_pin_status(dapm, "Microphone")) {
changed = 1;
if (pin)
- snd_soc_dapm_enable_pin(dapm, "Microphone");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Microphone");
else
- snd_soc_dapm_disable_pin(dapm, "Microphone");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Microphone");
}
pin = !!(pins & (1 << AMS_DELTA_SPEAKER));
if (pin != snd_soc_dapm_get_pin_status(dapm, "Speaker")) {
changed = 1;
if (pin)
- snd_soc_dapm_enable_pin(dapm, "Speaker");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Speaker");
else
- snd_soc_dapm_disable_pin(dapm, "Speaker");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
}
pin = !!(pins & (1 << AMS_DELTA_AGC));
if (pin != ams_delta_audio_agc) {
ams_delta_audio_agc = pin;
changed = 1;
if (pin)
- snd_soc_dapm_enable_pin(dapm, "AGCIN");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "AGCIN");
else
- snd_soc_dapm_disable_pin(dapm, "AGCIN");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "AGCIN");
}
+
if (changed)
- snd_soc_dapm_sync(dapm);
+ snd_soc_dapm_sync_unlocked(dapm);
- mutex_unlock(&codec->mutex);
+ snd_soc_dapm_mutex_unlock(dapm);
return changed;
}
@@ -165,8 +171,8 @@ static int ams_delta_set_audio_mode(struct snd_kcontrol *kcontrol,
static int ams_delta_get_audio_mode(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
- struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct snd_soc_card *card = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_dapm_context *dapm = &card->dapm;
unsigned short pins, mode;
pins = ((snd_soc_dapm_get_pin_status(dapm, "Mouthpiece") <<
@@ -195,13 +201,11 @@ static int ams_delta_get_audio_mode(struct snd_kcontrol *kcontrol,
return 0;
}
-static const struct soc_enum ams_delta_audio_enum[] = {
- SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(ams_delta_audio_mode),
- ams_delta_audio_mode),
-};
+static const SOC_ENUM_SINGLE_EXT_DECL(ams_delta_audio_enum,
+ ams_delta_audio_mode);
static const struct snd_kcontrol_new ams_delta_audio_controls[] = {
- SOC_ENUM_EXT("Audio Mode", ams_delta_audio_enum[0],
+ SOC_ENUM_EXT("Audio Mode", ams_delta_audio_enum,
ams_delta_get_audio_mode, ams_delta_set_audio_mode),
};
@@ -271,12 +275,6 @@ static void cx81801_timeout(unsigned long data)
ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_CODEC, 0);
}
-/*
- * Used for passing a codec structure pointer
- * from the board initialization code to the tty line discipline.
- */
-static struct snd_soc_codec *cx20442_codec;
-
/* Line discipline .open() */
static int cx81801_open(struct tty_struct *tty)
{
@@ -303,7 +301,7 @@ static int cx81801_open(struct tty_struct *tty)
static void cx81801_close(struct tty_struct *tty)
{
struct snd_soc_codec *codec = tty->disc_data;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct snd_soc_dapm_context *dapm = &codec->card->dapm;
del_timer_sync(&cx81801_timer);
@@ -316,12 +314,17 @@ static void cx81801_close(struct tty_struct *tty)
v253_ops.close(tty);
/* Revert back to default audio input/output constellation */
- snd_soc_dapm_disable_pin(dapm, "Mouthpiece");
- snd_soc_dapm_enable_pin(dapm, "Earpiece");
- snd_soc_dapm_enable_pin(dapm, "Microphone");
- snd_soc_dapm_disable_pin(dapm, "Speaker");
- snd_soc_dapm_disable_pin(dapm, "AGCIN");
- snd_soc_dapm_sync(dapm);
+ snd_soc_dapm_mutex_lock(dapm);
+
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Mouthpiece");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Earpiece");
+ snd_soc_dapm_enable_pin_unlocked(dapm, "Microphone");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "Speaker");
+ snd_soc_dapm_disable_pin_unlocked(dapm, "AGCIN");
+
+ snd_soc_dapm_sync_unlocked(dapm);
+
+ snd_soc_dapm_mutex_unlock(dapm);
}
/* Line discipline .hangup() */
@@ -426,29 +429,6 @@ static struct snd_soc_ops ams_delta_ops = {
};
-/* Board specific codec bias level control */
-static int ams_delta_set_bias_level(struct snd_soc_card *card,
- struct snd_soc_dapm_context *dapm,
- enum snd_soc_bias_level level)
-{
- switch (level) {
- case SND_SOC_BIAS_ON:
- case SND_SOC_BIAS_PREPARE:
- case SND_SOC_BIAS_STANDBY:
- if (card->dapm.bias_level == SND_SOC_BIAS_OFF)
- ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_NRESET,
- AMS_DELTA_LATCH2_MODEM_NRESET);
- break;
- case SND_SOC_BIAS_OFF:
- if (card->dapm.bias_level != SND_SOC_BIAS_OFF)
- ams_delta_latch2_write(AMS_DELTA_LATCH2_MODEM_NRESET,
- 0);
- }
- card->dapm.bias_level = level;
-
- return 0;
-}
-
/* Digital mute implemented using modem/CPU multiplexer.
* Shares hardware with codec config pulse generation */
static bool ams_delta_muted = 1;
@@ -494,15 +474,14 @@ static void ams_delta_shutdown(struct snd_pcm_substream *substream)
static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
{
- struct snd_soc_codec *codec = rtd->codec;
- struct snd_soc_dapm_context *dapm = &codec->dapm;
struct snd_soc_dai *codec_dai = rtd->codec_dai;
struct snd_soc_card *card = rtd->card;
+ struct snd_soc_dapm_context *dapm = &card->dapm;
int ret;
/* Codec is ready, now add/activate board specific controls */
/* Store a pointer to the codec structure for tty ldisc use */
- cx20442_codec = codec;
+ cx20442_codec = rtd->codec;
/* Set up digital mute if not provided by the codec */
if (!codec_dai->driver->ops) {
@@ -512,9 +491,6 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
ams_delta_ops.shutdown = ams_delta_shutdown;
}
- /* Set codec bias level */
- ams_delta_set_bias_level(card, dapm, SND_SOC_BIAS_STANDBY);
-
/* Add hook switch - can be used to control the codec from userspace
* even if line discipline fails */
ret = snd_soc_jack_new(rtd->codec, "hook_switch",
@@ -542,40 +518,20 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
return 0;
}
- /* Add board specific DAPM widgets and routes */
- ret = snd_soc_dapm_new_controls(dapm, ams_delta_dapm_widgets,
- ARRAY_SIZE(ams_delta_dapm_widgets));
- if (ret) {
- dev_warn(card->dev,
- "Failed to register DAPM controls, "
- "will continue without any.\n");
- return 0;
- }
-
- ret = snd_soc_dapm_add_routes(dapm, ams_delta_audio_map,
- ARRAY_SIZE(ams_delta_audio_map));
- if (ret) {
- dev_warn(card->dev,
- "Failed to set up DAPM routes, "
- "will continue with codec default map.\n");
- return 0;
- }
-
/* Set up initial pin constellation */
snd_soc_dapm_disable_pin(dapm, "Mouthpiece");
- snd_soc_dapm_enable_pin(dapm, "Earpiece");
- snd_soc_dapm_enable_pin(dapm, "Microphone");
snd_soc_dapm_disable_pin(dapm, "Speaker");
snd_soc_dapm_disable_pin(dapm, "AGCIN");
snd_soc_dapm_disable_pin(dapm, "AGCOUT");
- /* Add virtual switch */
- ret = snd_soc_add_controls(codec, ams_delta_audio_controls,
- ARRAY_SIZE(ams_delta_audio_controls));
- if (ret)
- dev_warn(card->dev,
- "Failed to register audio mode control, "
- "will continue without it.\n");
+ return 0;
+}
+
+static int ams_delta_card_remove(struct snd_soc_card *card)
+{
+ snd_soc_jack_free_gpios(&ams_delta_hook_switch,
+ ARRAY_SIZE(ams_delta_hook_switch_gpios),
+ ams_delta_hook_switch_gpios);
return 0;
}
@@ -584,10 +540,10 @@ static int ams_delta_cx20442_init(struct snd_soc_pcm_runtime *rtd)
static struct snd_soc_dai_link ams_delta_dai_link = {
.name = "CX20442",
.stream_name = "CX20442",
- .cpu_dai_name ="omap-mcbsp-dai.0",
+ .cpu_dai_name = "omap-mcbsp.1",
.codec_dai_name = "cx20442-voice",
.init = ams_delta_cx20442_init,
- .platform_name = "omap-pcm-audio",
+ .platform_name = "omap-mcbsp.1",
.codec_name = "cx20442-codec",
.ops = &ams_delta_ops,
};
@@ -596,67 +552,62 @@ static struct snd_soc_dai_link ams_delta_dai_link = {
static struct snd_soc_card ams_delta_audio_card = {
.name = "AMS_DELTA",
.owner = THIS_MODULE,
+ .remove = ams_delta_card_remove,
.dai_link = &ams_delta_dai_link,
.num_links = 1,
- .set_bias_level = ams_delta_set_bias_level,
+
+ .controls = ams_delta_audio_controls,
+ .num_controls = ARRAY_SIZE(ams_delta_audio_controls),
+ .dapm_widgets = ams_delta_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ams_delta_dapm_widgets),
+ .dapm_routes = ams_delta_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(ams_delta_audio_map),
};
/* Module init/exit */
-static struct platform_device *ams_delta_audio_platform_device;
-static struct platform_device *cx20442_platform_device;
-
-static int __init ams_delta_module_init(void)
+static int ams_delta_probe(struct platform_device *pdev)
{
+ struct snd_soc_card *card = &ams_delta_audio_card;
int ret;
- if (!(machine_is_ams_delta()))
- return -ENODEV;
-
- ams_delta_audio_platform_device =
- platform_device_alloc("soc-audio", -1);
- if (!ams_delta_audio_platform_device)
- return -ENOMEM;
-
- platform_set_drvdata(ams_delta_audio_platform_device,
- &ams_delta_audio_card);
+ card->dev = &pdev->dev;
- ret = platform_device_add(ams_delta_audio_platform_device);
- if (ret)
- goto err;
-
- /*
- * Codec platform device could be registered from elsewhere (board?),
- * but I do it here as it makes sense only if used with the card.
- */
- cx20442_platform_device =
- platform_device_register_simple("cx20442-codec", -1, NULL, 0);
+ ret = snd_soc_register_card(card);
+ if (ret) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret);
+ card->dev = NULL;
+ return ret;
+ }
return 0;
-err:
- platform_device_put(ams_delta_audio_platform_device);
- return ret;
}
-module_init(ams_delta_module_init);
-static void __exit ams_delta_module_exit(void)
+static int ams_delta_remove(struct platform_device *pdev)
{
+ struct snd_soc_card *card = platform_get_drvdata(pdev);
+
if (tty_unregister_ldisc(N_V253) != 0)
- dev_warn(&ams_delta_audio_platform_device->dev,
+ dev_warn(&pdev->dev,
"failed to unregister V253 line discipline\n");
- snd_soc_jack_free_gpios(&ams_delta_hook_switch,
- ARRAY_SIZE(ams_delta_hook_switch_gpios),
- ams_delta_hook_switch_gpios);
+ snd_soc_unregister_card(card);
+ card->dev = NULL;
+ return 0;
+}
- /* Keep modem power on */
- ams_delta_set_bias_level(&ams_delta_audio_card,
- &ams_delta_audio_card.rtd[0].codec->dapm,
- SND_SOC_BIAS_STANDBY);
+#define DRV_NAME "ams-delta-audio"
- platform_device_unregister(cx20442_platform_device);
- platform_device_unregister(ams_delta_audio_platform_device);
-}
-module_exit(ams_delta_module_exit);
+static struct platform_driver ams_delta_driver = {
+ .driver = {
+ .name = DRV_NAME,
+ .owner = THIS_MODULE,
+ },
+ .probe = ams_delta_probe,
+ .remove = ams_delta_remove,
+};
+
+module_platform_driver(ams_delta_driver);
MODULE_AUTHOR("Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>");
MODULE_DESCRIPTION("ALSA SoC driver for Amstrad E3 (Delta) videophone");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRV_NAME);