[alsa-devel] [PATCH 4/4] ASoC: Tegra: Support more boards
Stephen Warren
swarren at nvidia.com
Tue Apr 12 19:40:39 CEST 2011
* Ventana is identical to Harmony.
* Seaboard, Kaen, and Aebl are all pretty similar, mainly with slightly
different sets of GPIOs, and slightly different WM8903 pin connectivity.
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
This patch is for 2.6.40, and for the ASoC subsystem
sound/soc/tegra/Kconfig | 7 +-
sound/soc/tegra/tegra_wm8903.c | 180 +++++++++++++++++++++++++++++++---------
2 files changed, 145 insertions(+), 42 deletions(-)
diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
index 21125b3..14f7119 100644
--- a/sound/soc/tegra/Kconfig
+++ b/sound/soc/tegra/Kconfig
@@ -16,12 +16,13 @@ config SND_SOC_TEGRA_I2S
config SND_SOC_TEGRA_WM8903
tristate "SoC Audio support for Tegra boards using a WM8903 codec"
- depends on SND_SOC_TEGRA && MACH_HARMONY && I2C
+ depends on SND_SOC_TEGRA && I2C
+ depends on MACH_HARMONY || MACH_VENTANA || MACH_SEABOARD || MACH_KAEN || MACH_AEBL
default m
select SND_SOC_TEGRA_I2S
select SND_SOC_WM8903
help
Say Y or M here if you want to add support for SoC audio on Tegra
- boards using the WM8093 codec. Currently, the only supported board
- is Harmony.
+ boards using the WM8093 codec. Currently, the supported boards are
+ Harmony, Ventana, Seaboard, Kaen, and Aebl.
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index 2b38443..37f6010 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -53,8 +53,9 @@
#define DRV_NAME "tegra-snd-wm8903"
#define GPIO_SPKR_EN BIT(0)
-#define GPIO_INT_MIC_EN BIT(1)
-#define GPIO_EXT_MIC_EN BIT(2)
+#define GPIO_HP_MUTE BIT(1)
+#define GPIO_INT_MIC_EN BIT(2)
+#define GPIO_EXT_MIC_EN BIT(3)
struct tegra_wm8903 {
struct tegra_asoc_utils_data util_data;
@@ -163,15 +164,35 @@ static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w,
struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
struct tegra_wm8903_platform_data *pdata = machine->pdata;
+ if (!(machine->gpio_requested & GPIO_SPKR_EN))
+ return 0;
+
gpio_set_value_cansleep(pdata->gpio_spkr_en,
SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
+static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *k, int event)
+{
+ struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_card *card = codec->card;
+ struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
+ struct tegra_wm8903_platform_data *pdata = machine->pdata;
+
+ if (!(machine->gpio_requested & GPIO_HP_MUTE))
+ return 0;
+
+ gpio_set_value_cansleep(pdata->gpio_hp_mute,
+ !SND_SOC_DAPM_EVENT_ON(event));
+
+ return 0;
+}
+
static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = {
SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk),
- SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp),
SND_SOC_DAPM_MIC("Mic Jack", NULL),
};
@@ -186,6 +207,37 @@ static const struct snd_soc_dapm_route harmony_audio_map[] = {
{"IN1L", NULL, "Mic Bias"},
};
+static const struct snd_soc_dapm_route seaboard_audio_map[] = {
+ {"Headphone Jack", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Int Spk", NULL, "ROP"},
+ {"Int Spk", NULL, "RON"},
+ {"Int Spk", NULL, "LOP"},
+ {"Int Spk", NULL, "LON"},
+ {"Mic Bias", NULL, "Mic Jack"},
+ {"IN1R", NULL, "Mic Bias"},
+};
+
+static const struct snd_soc_dapm_route kaen_audio_map[] = {
+ {"Headphone Jack", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Int Spk", NULL, "ROP"},
+ {"Int Spk", NULL, "RON"},
+ {"Int Spk", NULL, "LOP"},
+ {"Int Spk", NULL, "LON"},
+ {"Mic Bias", NULL, "Mic Jack"},
+ {"IN2R", NULL, "Mic Bias"},
+};
+
+static const struct snd_soc_dapm_route aebl_audio_map[] = {
+ {"Headphone Jack", NULL, "HPOUTR"},
+ {"Headphone Jack", NULL, "HPOUTL"},
+ {"Int Spk", NULL, "LINEOUTR"},
+ {"Int Spk", NULL, "LINEOUTL"},
+ {"Mic Bias", NULL, "Mic Jack"},
+ {"IN1R", NULL, "Mic Bias"},
+};
+
static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
SOC_DAPM_PIN_SWITCH("Int Spk"),
};
@@ -199,34 +251,51 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
struct tegra_wm8903_platform_data *pdata = machine->pdata;
int ret;
- ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
- if (ret) {
- dev_err(card->dev, "cannot get spkr_en gpio\n");
- return ret;
+ if (gpio_is_valid(pdata->gpio_spkr_en)) {
+ ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
+ if (ret) {
+ dev_err(card->dev, "cannot get spkr_en gpio\n");
+ return ret;
+ }
+ machine->gpio_requested |= GPIO_SPKR_EN;
+
+ gpio_direction_output(pdata->gpio_spkr_en, 0);
}
- machine->gpio_requested |= GPIO_SPKR_EN;
- gpio_direction_output(pdata->gpio_spkr_en, 0);
+ if (gpio_is_valid(pdata->gpio_hp_mute)) {
+ ret = gpio_request(pdata->gpio_hp_mute, "hp_mute");
+ if (ret) {
+ dev_err(card->dev, "cannot get hp_mute gpio\n");
+ return ret;
+ }
+ machine->gpio_requested |= GPIO_HP_MUTE;
- ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en");
- if (ret) {
- dev_err(card->dev, "cannot get int_mic_en gpio\n");
- return ret;
+ gpio_direction_output(pdata->gpio_hp_mute, 0);
}
- machine->gpio_requested |= GPIO_INT_MIC_EN;
- /* Disable int mic; enable signal is active-high */
- gpio_direction_output(pdata->gpio_int_mic_en, 0);
+ if (gpio_is_valid(pdata->gpio_int_mic_en)) {
+ ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en");
+ if (ret) {
+ dev_err(card->dev, "cannot get int_mic_en gpio\n");
+ return ret;
+ }
+ machine->gpio_requested |= GPIO_INT_MIC_EN;
- ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en");
- if (ret) {
- dev_err(card->dev, "cannot get ext_mic_en gpio\n");
- return ret;
+ /* Disable int mic; enable signal is active-high */
+ gpio_direction_output(pdata->gpio_int_mic_en, 0);
}
- machine->gpio_requested |= GPIO_EXT_MIC_EN;
- /* Enable ext mic; enable signal is active-low */
- gpio_direction_output(pdata->gpio_ext_mic_en, 0);
+ if (gpio_is_valid(pdata->gpio_ext_mic_en)) {
+ ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en");
+ if (ret) {
+ dev_err(card->dev, "cannot get ext_mic_en gpio\n");
+ return ret;
+ }
+ machine->gpio_requested |= GPIO_EXT_MIC_EN;
+
+ /* Enable ext mic; enable signal is active-low */
+ gpio_direction_output(pdata->gpio_ext_mic_en, 0);
+ }
ret = snd_soc_add_controls(codec, tegra_wm8903_controls,
ARRAY_SIZE(tegra_wm8903_controls));
@@ -236,18 +305,31 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
snd_soc_dapm_new_controls(dapm, tegra_wm8903_dapm_widgets,
ARRAY_SIZE(tegra_wm8903_dapm_widgets));
- snd_soc_dapm_add_routes(dapm, harmony_audio_map,
- ARRAY_SIZE(harmony_audio_map));
+ if (machine_is_harmony() || machine_is_ventana()) {
+ snd_soc_dapm_add_routes(dapm, harmony_audio_map,
+ ARRAY_SIZE(harmony_audio_map));
+ } else if (machine_is_seaboard()) {
+ snd_soc_dapm_add_routes(dapm, seaboard_audio_map,
+ ARRAY_SIZE(seaboard_audio_map));
+ } else if (machine_is_kaen()) {
+ snd_soc_dapm_add_routes(dapm, kaen_audio_map,
+ ARRAY_SIZE(kaen_audio_map));
+ } else {
+ snd_soc_dapm_add_routes(dapm, aebl_audio_map,
+ ARRAY_SIZE(aebl_audio_map));
+ }
- tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det;
- snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE,
- &tegra_wm8903_hp_jack);
- snd_soc_jack_add_pins(&tegra_wm8903_hp_jack,
- ARRAY_SIZE(tegra_wm8903_hp_jack_pins),
- tegra_wm8903_hp_jack_pins);
- snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
- 1,
- &tegra_wm8903_hp_jack_gpio);
+ if (gpio_is_valid(pdata->gpio_hp_det)) {
+ tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det;
+ snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE,
+ &tegra_wm8903_hp_jack);
+ snd_soc_jack_add_pins(&tegra_wm8903_hp_jack,
+ ARRAY_SIZE(tegra_wm8903_hp_jack_pins),
+ tegra_wm8903_hp_jack_pins);
+ snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
+ 1,
+ &tegra_wm8903_hp_jack_gpio);
+ }
snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
&tegra_wm8903_mic_jack);
@@ -259,10 +341,26 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
+ /* FIXME: Calculate automatically based on DAPM routes? */
+ if (!machine_is_harmony() && !machine_is_ventana())
+ snd_soc_dapm_nc_pin(dapm, "IN1L");
+ if (!machine_is_seaboard() && !machine_is_aebl())
+ snd_soc_dapm_nc_pin(dapm, "IN1R");
+ snd_soc_dapm_nc_pin(dapm, "IN2L");
+ if (!machine_is_kaen())
+ snd_soc_dapm_nc_pin(dapm, "IN2R");
snd_soc_dapm_nc_pin(dapm, "IN3L");
snd_soc_dapm_nc_pin(dapm, "IN3R");
- snd_soc_dapm_nc_pin(dapm, "LINEOUTL");
- snd_soc_dapm_nc_pin(dapm, "LINEOUTR");
+
+ if (machine_is_aebl()) {
+ snd_soc_dapm_nc_pin(dapm, "LON");
+ snd_soc_dapm_nc_pin(dapm, "RON");
+ snd_soc_dapm_nc_pin(dapm, "ROP");
+ snd_soc_dapm_nc_pin(dapm, "LOP");
+ } else {
+ snd_soc_dapm_nc_pin(dapm, "LINEOUTR");
+ snd_soc_dapm_nc_pin(dapm, "LINEOUTL");
+ }
snd_soc_dapm_sync(dapm);
@@ -293,14 +391,16 @@ static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
struct tegra_wm8903_platform_data *pdata;
int ret;
- if (!machine_is_harmony()) {
- dev_err(&pdev->dev, "Not running on Tegra Harmony!\n");
+ if (!machine_is_harmony() && !machine_is_ventana() &&
+ !machine_is_seaboard() && !machine_is_kaen() &&
+ !machine_is_aebl()) {
+ dev_err(&pdev->dev, "Not running on a supported board!\n");
return -ENODEV;
}
pdata = pdev->dev.platform_data;
if (!pdata) {
- dev_err(&pdev->dev, "no platform data supplied\n");
+ dev_err(&pdev->dev, "No platform data supplied\n");
return -EINVAL;
}
@@ -357,6 +457,8 @@ static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
gpio_free(pdata->gpio_ext_mic_en);
if (machine->gpio_requested & GPIO_INT_MIC_EN)
gpio_free(pdata->gpio_int_mic_en);
+ if (machine->gpio_requested & GPIO_HP_MUTE)
+ gpio_free(pdata->gpio_hp_mute);
if (machine->gpio_requested & GPIO_SPKR_EN)
gpio_free(pdata->gpio_spkr_en);
--
1.7.1
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