static int tegra_wm8903_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_card *card = codec->card;
struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
struct tegra_wm8903_platform_data *pdata = machine->pdata;
int ret;
machine->bias_level = SND_SOC_BIAS_STANDBY;
machine->codec = codec;
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);
gpio_export(pdata->gpio_spkr_en, false);
}
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;
gpio_direction_output(pdata->gpio_hp_mute, 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;
/* Disable int mic; enable signal is active-high */
gpio_direction_output(pdata->gpio_int_mic_en, 0);
gpio_export(pdata->gpio_int_mic_en, false);
}
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, 1);
gpio_export(pdata->gpio_ext_mic_en, false);
}
if (gpio_is_valid(pdata->gpio_ext_mic_det)) {
ret = gpio_request(pdata->gpio_ext_mic_det, "ext_mic_det");
if (ret) {
dev_err(card->dev, "cannot get ext_mic_det gpio\n");
return ret;
}
/* Detect ext mic; detect signal is active-low */
gpio_direction_input(pdata->gpio_ext_mic_det);
gpio_export(pdata->gpio_ext_mic_det, false);
}
#if 0
if (machine_is_cardhu() || machine_is_ventana()) {
ret = snd_soc_add_controls(codec, cardhu_controls,
ARRAY_SIZE(cardhu_controls));
if (ret < 0)
return ret;
snd_soc_dapm_new_controls(dapm, cardhu_dapm_widgets,
ARRAY_SIZE(cardhu_dapm_widgets));
}
else {
ret = snd_soc_add_controls(codec,
tegra_wm8903_default_controls,
ARRAY_SIZE(tegra_wm8903_default_controls));
if (ret < 0)
return ret;
snd_soc_dapm_new_controls(dapm,
tegra_wm8903_default_dapm_widgets,
ARRAY_SIZE(tegra_wm8903_default_dapm_widgets));
}
if (machine_is_harmony()) {
snd_soc_dapm_add_routes(dapm, harmony_audio_map,
ARRAY_SIZE(harmony_audio_map));
} else if (machine_is_cardhu() || machine_is_ventana()) {
snd_soc_dapm_add_routes(dapm, cardhu_audio_map,
ARRAY_SIZE(cardhu_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));
}
#endif
ret = snd_soc_add_controls(codec, ast_controls,
ARRAY_SIZE(ast_controls));
if (ret < 0)
return ret;
snd_soc_dapm_new_controls(dapm, ast_dapm_widgets,
ARRAY_SIZE(ast_dapm_widgets));
snd_soc_dapm_add_routes(dapm, ast_audio_map,
ARRAY_SIZE(ast_audio_map));
if (gpio_is_valid(pdata->gpio_lineout_det)) {
tegra_wm8903_lineout_jack_gpio.gpio = pdata->gpio_lineout_det;
snd_soc_jack_new(codec, "Lineout Jack", SND_JACK_LINEOUT,
&tegra_wm8903_lineout_jack);
#ifndef CONFIG_SWITCH
snd_soc_jack_add_pins(&tegra_wm8903_lineout_jack,
ARRAY_SIZE(tegra_wm8903_lineout_jack_pins),
tegra_wm8903_lineout_jack_pins);
#else
snd_soc_jack_notifier_register(&tegra_wm8903_lineout_jack,
&tegra_wm8903_jack_detect_nb);
#endif
snd_soc_jack_add_gpios(&tegra_wm8903_lineout_jack,
1,
&tegra_wm8903_lineout_jack_gpio);
machine->gpio_requested |= GPIO_LINEOUT_DET;
}
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);
#ifndef CONFIG_SWITCH
snd_soc_jack_add_pins(&tegra_wm8903_hp_jack,
ARRAY_SIZE(tegra_wm8903_hp_jack_pins),
tegra_wm8903_hp_jack_pins);
#else
snd_soc_jack_notifier_register(&tegra_wm8903_hp_jack,
&tegra_wm8903_jack_detect_nb);
#endif
snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack,
1,
&tegra_wm8903_hp_jack_gpio);
machine->gpio_requested |= GPIO_HP_DET;
}
machine->ac_notifier.notifier_call = ac_notify;
nvtec_ac_notifier_register(&machine->ac_notifier);
#if 0
snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE,
&tegra_wm8903_mic_jack);
#ifndef CONFIG_SWITCH
snd_soc_jack_add_pins(&tegra_wm8903_mic_jack,
ARRAY_SIZE(tegra_wm8903_mic_jack_pins),
tegra_wm8903_mic_jack_pins);
#else
snd_soc_jack_notifier_register(&tegra_wm8903_mic_jack,
&tegra_wm8903_jack_detect_nb);
#endif
wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
machine_is_cardhu() ? SND_JACK_MICROPHONE : 0);
snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
/* FIXME: Calculate automatically based on DAPM routes? */
if (!machine_is_harmony() && !machine_is_ventana() &&
!machine_is_cardhu())
snd_soc_dapm_nc_pin(dapm, "IN1L");
if (!machine_is_seaboard() && !machine_is_aebl() &&
!machine_is_cardhu())
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");
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");
}
#endif
snd_soc_dapm_disable_pin(dapm, "Int Spk");
snd_soc_dapm_disable_pin(dapm, "Headphone Jack");
snd_soc_dapm_disable_pin(dapm, "Line Out Jack");
snd_soc_dapm_disable_pin(dapm, "Mic Jack");
snd_soc_dapm_disable_pin(dapm, "Int Mic");
snd_soc_dapm_sync(dapm);
return 0;
}
static int __devinit gpio_keys_probe(struct platform_device *pdev)
{
const struct gpio_keys_platform_data *pdata = pdev->dev.platform_data;
struct gpio_keys_drvdata *ddata;
struct device *dev = &pdev->dev;
struct gpio_keys_platform_data alt_pdata;
struct input_dev *input;
int i, error;
int wakeup = 0;
if (!pdata) {
error = gpio_keys_get_devtree_pdata(dev, &alt_pdata);
if (error)
return error;
pdata = &alt_pdata;
}
ddata = kzalloc(sizeof(struct gpio_keys_drvdata) +
pdata->nbuttons * sizeof(struct gpio_button_data),
GFP_KERNEL);
input = input_allocate_device();
if (!ddata || !input) {
dev_err(dev, "failed to allocate state\n");
error = -ENOMEM;
goto fail1;
}
ddata->input = input;
ddata->n_buttons = pdata->nbuttons;
ddata->enable = pdata->enable;
ddata->disable = pdata->disable;
mutex_init(&ddata->disable_lock);
switch_gpio_notifier.notifier_call = switch_gpio_notify;
switch_gpio_notifier_register(&switch_gpio_notifier);
platform_set_drvdata(pdev, ddata);
input_set_drvdata(input, ddata);
input->name = pdata->name ? : pdev->name;
input->phys = "gpio-keys/input0";
input->dev.parent = &pdev->dev;
input->open = gpio_keys_open;
input->close = gpio_keys_close;
input->id.bustype = BUS_HOST;
input->id.vendor = 0x0001;
input->id.product = 0x0001;
input->id.version = 0x0100;
/* Enable auto repeat feature of Linux input subsystem */
if (pdata->rep)
__set_bit(EV_REP, input->evbit);
for (i = 0; i < pdata->nbuttons; i++) {
const struct gpio_keys_button *button = &pdata->buttons[i];
struct gpio_button_data *bdata = &ddata->data[i];
error = gpio_keys_setup_key(pdev, input, bdata, button);
if (error)
goto fail2;
if (button->wakeup)
wakeup = 1;
}
error = sysfs_create_group(&pdev->dev.kobj, &gpio_keys_attr_group);
if (error) {
dev_err(dev, "Unable to export keys/switches, error: %d\n",
error);
goto fail2;
}
error = input_register_device(input);
if (error) {
dev_err(dev, "Unable to register input device, error: %d\n",
error);
goto fail3;
}
/* get current state of buttons that are connected to GPIOs */
for (i = 0; i < pdata->nbuttons; i++) {
struct gpio_button_data *bdata = &ddata->data[i];
if (gpio_is_valid(bdata->button->gpio))
gpio_keys_gpio_report_event(bdata);
}
input_sync(input);
device_init_wakeup(&pdev->dev, wakeup);
ddata->nb.notifier_call = &gpio_keys_ac_notifier;
nvtec_ac_notifier_register(&ddata->nb);
ddata->early_suspender.suspend = gpio_keys_early_suspend;
ddata->early_suspender.resume = gpio_keys_late_resume;
register_early_suspend(&ddata->early_suspender);
return 0;
fail3:
sysfs_remove_group(&pdev->dev.kobj, &gpio_keys_attr_group);
fail2:
while (--i >= 0)
gpio_remove_key(&ddata->data[i]);
platform_set_drvdata(pdev, NULL);
fail1:
input_free_device(input);
kfree(ddata);
/* If we have no platform_data, we allocated buttons dynamically. */
if (!pdev->dev.platform_data)
kfree(pdata->buttons);
return error;
}
