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ASoC: Convert WM2000 into a standard CODEC driver

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We've been able to handle external amps for a while now.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2011-12-02 21:59:18 +00:00
parent 8aa1fe81c5
commit 4911ccdb9d
4 changed files with 75 additions and 86 deletions
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6
sound/soc/codecs/Kconfig
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@ -289,6 +289,9 @@ config SND_SOC_WL1273
config SND_SOC_WM1250_EV1 config SND_SOC_WM1250_EV1
tristate tristate
config SND_SOC_WM2000
tristate
config SND_SOC_WM5100 config SND_SOC_WM5100
tristate tristate
@ -425,8 +428,5 @@ config SND_SOC_MAX9877
config SND_SOC_TPA6130A2 config SND_SOC_TPA6130A2
tristate tristate
config SND_SOC_WM2000
tristate
config SND_SOC_WM9090 config SND_SOC_WM9090
tristate tristate

4
sound/soc/codecs/Makefile
View File

@ -50,6 +50,7 @@ snd-soc-uda134x-objs := uda134x.o
snd-soc-uda1380-objs := uda1380.o snd-soc-uda1380-objs := uda1380.o
snd-soc-wl1273-objs := wl1273.o snd-soc-wl1273-objs := wl1273.o
snd-soc-wm1250-ev1-objs := wm1250-ev1.o snd-soc-wm1250-ev1-objs := wm1250-ev1.o
snd-soc-wm2000-objs := wm2000.o
snd-soc-wm5100-objs := wm5100.o wm5100-tables.o snd-soc-wm5100-objs := wm5100.o wm5100-tables.o
snd-soc-wm8350-objs := wm8350.o snd-soc-wm8350-objs := wm8350.o
snd-soc-wm8400-objs := wm8400.o snd-soc-wm8400-objs := wm8400.o
@ -97,7 +98,6 @@ snd-soc-wm-hubs-objs := wm_hubs.o
# Amp # Amp
snd-soc-max9877-objs := max9877.o snd-soc-max9877-objs := max9877.o
snd-soc-tpa6130a2-objs := tpa6130a2.o snd-soc-tpa6130a2-objs := tpa6130a2.o
snd-soc-wm2000-objs := wm2000.o
snd-soc-wm9090-objs := wm9090.o snd-soc-wm9090-objs := wm9090.o
obj-$(CONFIG_SND_SOC_88PM860X) += snd-soc-88pm860x.o obj-$(CONFIG_SND_SOC_88PM860X) += snd-soc-88pm860x.o
@ -152,6 +152,7 @@ obj-$(CONFIG_SND_SOC_UDA134X) += snd-soc-uda134x.o
obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o obj-$(CONFIG_SND_SOC_UDA1380) += snd-soc-uda1380.o
obj-$(CONFIG_SND_SOC_WL1273) += snd-soc-wl1273.o obj-$(CONFIG_SND_SOC_WL1273) += snd-soc-wl1273.o
obj-$(CONFIG_SND_SOC_WM1250_EV1) += snd-soc-wm1250-ev1.o obj-$(CONFIG_SND_SOC_WM1250_EV1) += snd-soc-wm1250-ev1.o
obj-$(CONFIG_SND_SOC_WM2000) += snd-soc-wm2000.o
obj-$(CONFIG_SND_SOC_WM5100) += snd-soc-wm5100.o obj-$(CONFIG_SND_SOC_WM5100) += snd-soc-wm5100.o
obj-$(CONFIG_SND_SOC_WM8350) += snd-soc-wm8350.o obj-$(CONFIG_SND_SOC_WM8350) += snd-soc-wm8350.o
obj-$(CONFIG_SND_SOC_WM8400) += snd-soc-wm8400.o obj-$(CONFIG_SND_SOC_WM8400) += snd-soc-wm8400.o
@ -199,5 +200,4 @@ obj-$(CONFIG_SND_SOC_WM_HUBS) += snd-soc-wm-hubs.o
# Amp # Amp
obj-$(CONFIG_SND_SOC_MAX9877) += snd-soc-max9877.o obj-$(CONFIG_SND_SOC_MAX9877) += snd-soc-max9877.o
obj-$(CONFIG_SND_SOC_TPA6130A2) += snd-soc-tpa6130a2.o obj-$(CONFIG_SND_SOC_TPA6130A2) += snd-soc-tpa6130a2.o
obj-$(CONFIG_SND_SOC_WM2000) += snd-soc-wm2000.o
obj-$(CONFIG_SND_SOC_WM9090) += snd-soc-wm9090.o obj-$(CONFIG_SND_SOC_WM9090) += snd-soc-wm9090.o

149
sound/soc/codecs/wm2000.c
View File

@ -67,8 +67,6 @@ struct wm2000_priv {
char *anc_download; char *anc_download;
}; };
static struct i2c_client *wm2000_i2c;
static int wm2000_write(struct i2c_client *i2c, unsigned int reg, static int wm2000_write(struct i2c_client *i2c, unsigned int reg,
unsigned int value) unsigned int value)
{ {
@ -580,7 +578,8 @@ static int wm2000_anc_set_mode(struct wm2000_priv *wm2000)
static int wm2000_anc_mode_get(struct snd_kcontrol *kcontrol, static int wm2000_anc_mode_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol) struct snd_ctl_elem_value *ucontrol)
{ {
struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
ucontrol->value.enumerated.item[0] = wm2000->anc_active; ucontrol->value.enumerated.item[0] = wm2000->anc_active;
@ -590,7 +589,8 @@ static int wm2000_anc_mode_get(struct snd_kcontrol *kcontrol,
static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol, static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol) struct snd_ctl_elem_value *ucontrol)
{ {
struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
int anc_active = ucontrol->value.enumerated.item[0]; int anc_active = ucontrol->value.enumerated.item[0];
if (anc_active > 1) if (anc_active > 1)
@ -604,7 +604,8 @@ static int wm2000_anc_mode_put(struct snd_kcontrol *kcontrol,
static int wm2000_speaker_get(struct snd_kcontrol *kcontrol, static int wm2000_speaker_get(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol) struct snd_ctl_elem_value *ucontrol)
{ {
struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
ucontrol->value.enumerated.item[0] = wm2000->spk_ena; ucontrol->value.enumerated.item[0] = wm2000->spk_ena;
@ -614,7 +615,8 @@ static int wm2000_speaker_get(struct snd_kcontrol *kcontrol,
static int wm2000_speaker_put(struct snd_kcontrol *kcontrol, static int wm2000_speaker_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol) struct snd_ctl_elem_value *ucontrol)
{ {
struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
int val = ucontrol->value.enumerated.item[0]; int val = ucontrol->value.enumerated.item[0];
if (val > 1) if (val > 1)
@ -637,7 +639,8 @@ static const struct snd_kcontrol_new wm2000_controls[] = {
static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w, static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event) struct snd_kcontrol *kcontrol, int event)
{ {
struct wm2000_priv *wm2000 = dev_get_drvdata(&wm2000_i2c->dev); struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
if (SND_SOC_DAPM_EVENT_ON(event)) if (SND_SOC_DAPM_EVENT_ON(event))
wm2000->anc_eng_ena = 1; wm2000->anc_eng_ena = 1;
@ -650,11 +653,11 @@ static int wm2000_anc_power_event(struct snd_soc_dapm_widget *w,
static const struct snd_soc_dapm_widget wm2000_dapm_widgets[] = { static const struct snd_soc_dapm_widget wm2000_dapm_widgets[] = {
/* Externally visible pins */ /* Externally visible pins */
SND_SOC_DAPM_OUTPUT("WM2000 SPKN"), SND_SOC_DAPM_OUTPUT("SPKN"),
SND_SOC_DAPM_OUTPUT("WM2000 SPKP"), SND_SOC_DAPM_OUTPUT("SPKP"),
SND_SOC_DAPM_INPUT("WM2000 LINN"), SND_SOC_DAPM_INPUT("LINN"),
SND_SOC_DAPM_INPUT("WM2000 LINP"), SND_SOC_DAPM_INPUT("LINP"),
SND_SOC_DAPM_PGA_E("ANC Engine", SND_SOC_NOPM, 0, 0, NULL, 0, SND_SOC_DAPM_PGA_E("ANC Engine", SND_SOC_NOPM, 0, 0, NULL, 0,
wm2000_anc_power_event, wm2000_anc_power_event,
@ -662,43 +665,68 @@ SND_SOC_DAPM_PGA_E("ANC Engine", SND_SOC_NOPM, 0, 0, NULL, 0,
}; };
/* Target, Path, Source */ /* Target, Path, Source */
static const struct snd_soc_dapm_route audio_map[] = { static const struct snd_soc_dapm_route wm2000_audio_map[] = {
{ "WM2000 SPKN", NULL, "ANC Engine" }, { "SPKN", NULL, "ANC Engine" },
{ "WM2000 SPKP", NULL, "ANC Engine" }, { "SPKP", NULL, "ANC Engine" },
{ "ANC Engine", NULL, "WM2000 LINN" }, { "ANC Engine", NULL, "LINN" },
{ "ANC Engine", NULL, "WM2000 LINP" }, { "ANC Engine", NULL, "LINP" },
}; };
/* Called from the machine driver */ #ifdef CONFIG_PM
int wm2000_add_controls(struct snd_soc_codec *codec) static int wm2000_suspend(struct snd_soc_codec *codec)
{ {
struct snd_soc_dapm_context *dapm = &codec->dapm; struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
int ret;
if (!wm2000_i2c) { return wm2000_anc_transition(wm2000, ANC_OFF);
pr_err("WM2000 not yet probed\n");
return -ENODEV;
}
ret = snd_soc_dapm_new_controls(dapm, wm2000_dapm_widgets,
ARRAY_SIZE(wm2000_dapm_widgets));
if (ret < 0)
return ret;
ret = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
if (ret < 0)
return ret;
return snd_soc_add_controls(codec, wm2000_controls,
ARRAY_SIZE(wm2000_controls));
} }
EXPORT_SYMBOL_GPL(wm2000_add_controls);
static int wm2000_resume(struct snd_soc_codec *codec)
{
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
return wm2000_anc_set_mode(wm2000);
}
#else
#define wm2000_suspend NULL
#define wm2000_resume NULL
#endif
static const struct regmap_config wm2000_regmap = { static const struct regmap_config wm2000_regmap = {
.reg_bits = 8, .reg_bits = 8,
.val_bits = 8, .val_bits = 8,
}; };
static int wm2000_probe(struct snd_soc_codec *codec)
{
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
/* This will trigger a transition to standby mode by default */
wm2000_anc_set_mode(wm2000);
return 0;
}
static int wm2000_remove(struct snd_soc_codec *codec)
{
struct wm2000_priv *wm2000 = dev_get_drvdata(codec->dev);
return wm2000_anc_transition(wm2000, ANC_OFF);
}
static struct snd_soc_codec_driver soc_codec_dev_wm2000 = {
.probe = wm2000_probe,
.remove = wm2000_remove,
.suspend = wm2000_suspend,
.resume = wm2000_resume,
.dapm_widgets = wm2000_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(wm2000_dapm_widgets),
.dapm_routes = wm2000_audio_map,
.num_dapm_routes = ARRAY_SIZE(wm2000_audio_map),
.controls = wm2000_controls,
.num_controls = ARRAY_SIZE(wm2000_controls),
};
static int __devinit wm2000_i2c_probe(struct i2c_client *i2c, static int __devinit wm2000_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *i2c_id) const struct i2c_device_id *i2c_id)
{ {
@ -709,11 +737,6 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c,
int reg, ret; int reg, ret;
u16 id; u16 id;
if (wm2000_i2c) {
dev_err(&i2c->dev, "Another WM2000 is already registered\n");
return -EINVAL;
}
wm2000 = devm_kzalloc(&i2c->dev, sizeof(struct wm2000_priv), wm2000 = devm_kzalloc(&i2c->dev, sizeof(struct wm2000_priv),
GFP_KERNEL); GFP_KERNEL);
if (wm2000 == NULL) { if (wm2000 == NULL) {
@ -786,10 +809,10 @@ static int __devinit wm2000_i2c_probe(struct i2c_client *i2c,
wm2000_reset(wm2000); wm2000_reset(wm2000);
/* This will trigger a transition to standby mode by default */ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_wm2000,
wm2000_anc_set_mode(wm2000); NULL, 0);
if (ret != 0)
wm2000_i2c = i2c; goto err_fw;
return 0; return 0;
@ -805,42 +828,12 @@ static __devexit int wm2000_i2c_remove(struct i2c_client *i2c)
{ {
struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev); struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
wm2000_anc_transition(wm2000, ANC_OFF); snd_soc_unregister_codec(&i2c->dev);
regmap_exit(wm2000->regmap); regmap_exit(wm2000->regmap);
wm2000_i2c = NULL;
return 0; return 0;
} }
static void wm2000_i2c_shutdown(struct i2c_client *i2c)
{
struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
wm2000_anc_transition(wm2000, ANC_OFF);
}
#ifdef CONFIG_PM
static int wm2000_i2c_suspend(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
return wm2000_anc_transition(wm2000, ANC_OFF);
}
static int wm2000_i2c_resume(struct device *dev)
{
struct i2c_client *i2c = to_i2c_client(dev);
struct wm2000_priv *wm2000 = dev_get_drvdata(&i2c->dev);
return wm2000_anc_set_mode(wm2000);
}
#endif
static SIMPLE_DEV_PM_OPS(wm2000_pm, wm2000_i2c_suspend, wm2000_i2c_resume);
static const struct i2c_device_id wm2000_i2c_id[] = { static const struct i2c_device_id wm2000_i2c_id[] = {
{ "wm2000", 0 }, { "wm2000", 0 },
{ } { }
@ -851,11 +844,9 @@ static struct i2c_driver wm2000_i2c_driver = {
.driver = { .driver = {
.name = "wm2000", .name = "wm2000",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = &wm2000_pm,
}, },
.probe = wm2000_i2c_probe, .probe = wm2000_i2c_probe,
.remove = __devexit_p(wm2000_i2c_remove), .remove = __devexit_p(wm2000_i2c_remove),
.shutdown = wm2000_i2c_shutdown,
.id_table = wm2000_i2c_id, .id_table = wm2000_i2c_id,
}; };

2
sound/soc/codecs/wm2000.h
View File

@ -9,8 +9,6 @@
#ifndef _WM2000_H #ifndef _WM2000_H
#define _WM2000_H #define _WM2000_H
extern int wm2000_add_controls(struct snd_soc_codec *codec);
#define WM2000_REG_SYS_START 0x8000 #define WM2000_REG_SYS_START 0x8000
#define WM2000_REG_SPEECH_CLARITY 0x8fef #define WM2000_REG_SPEECH_CLARITY 0x8fef
#define WM2000_REG_SYS_WATCHDOG 0x8ff6 #define WM2000_REG_SYS_WATCHDOG 0x8ff6