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Diffstat (limited to 'sound/soc/tegra/tegra_wm8903.c')
-rw-r--r--sound/soc/tegra/tegra_wm8903.c193
1 files changed, 120 insertions, 73 deletions
diff --git a/sound/soc/tegra/tegra_wm8903.c b/sound/soc/tegra/tegra_wm8903.c
index a81cf39257b..566655e23b7 100644
--- a/sound/soc/tegra/tegra_wm8903.c
+++ b/sound/soc/tegra/tegra_wm8903.c
@@ -34,6 +34,7 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/gpio.h>
+#include <linux/of_gpio.h>
#include <mach/tegra_wm8903_pdata.h>
@@ -59,8 +60,9 @@
#define GPIO_HP_DET BIT(4)
struct tegra_wm8903 {
+ struct tegra_wm8903_platform_data pdata;
+ struct platform_device *pcm_dev;
struct tegra_asoc_utils_data util_data;
- struct tegra_wm8903_platform_data *pdata;
int gpio_requested;
};
@@ -160,7 +162,7 @@ static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w,
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
- struct tegra_wm8903_platform_data *pdata = machine->pdata;
+ struct tegra_wm8903_platform_data *pdata = &machine->pdata;
if (!(machine->gpio_requested & GPIO_SPKR_EN))
return 0;
@@ -177,7 +179,7 @@ static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w,
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
- struct tegra_wm8903_platform_data *pdata = machine->pdata;
+ struct tegra_wm8903_platform_data *pdata = &machine->pdata;
if (!(machine->gpio_requested & GPIO_HP_MUTE))
return 0;
@@ -201,8 +203,8 @@ static const struct snd_soc_dapm_route harmony_audio_map[] = {
{"Int Spk", NULL, "RON"},
{"Int Spk", NULL, "LOP"},
{"Int Spk", NULL, "LON"},
- {"Mic Bias", NULL, "Mic Jack"},
- {"IN1L", NULL, "Mic Bias"},
+ {"Mic Jack", NULL, "MICBIAS"},
+ {"IN1L", NULL, "Mic Jack"},
};
static const struct snd_soc_dapm_route seaboard_audio_map[] = {
@@ -212,8 +214,8 @@ static const struct snd_soc_dapm_route seaboard_audio_map[] = {
{"Int Spk", NULL, "RON"},
{"Int Spk", NULL, "LOP"},
{"Int Spk", NULL, "LON"},
- {"Mic Bias", NULL, "Mic Jack"},
- {"IN1R", NULL, "Mic Bias"},
+ {"Mic Jack", NULL, "MICBIAS"},
+ {"IN1R", NULL, "Mic Jack"},
};
static const struct snd_soc_dapm_route kaen_audio_map[] = {
@@ -223,8 +225,8 @@ static const struct snd_soc_dapm_route kaen_audio_map[] = {
{"Int Spk", NULL, "RON"},
{"Int Spk", NULL, "LOP"},
{"Int Spk", NULL, "LON"},
- {"Mic Bias", NULL, "Mic Jack"},
- {"IN2R", NULL, "Mic Bias"},
+ {"Mic Jack", NULL, "MICBIAS"},
+ {"IN2R", NULL, "Mic Jack"},
};
static const struct snd_soc_dapm_route aebl_audio_map[] = {
@@ -232,8 +234,8 @@ static const struct snd_soc_dapm_route aebl_audio_map[] = {
{"Headphone Jack", NULL, "HPOUTL"},
{"Int Spk", NULL, "LINEOUTR"},
{"Int Spk", NULL, "LINEOUTL"},
- {"Mic Bias", NULL, "Mic Jack"},
- {"IN1R", NULL, "Mic Bias"},
+ {"Mic Jack", NULL, "MICBIAS"},
+ {"IN1R", NULL, "Mic Jack"},
};
static const struct snd_kcontrol_new tegra_wm8903_controls[] = {
@@ -246,9 +248,36 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
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;
+ struct tegra_wm8903_platform_data *pdata = &machine->pdata;
+ struct device_node *np = card->dev->of_node;
int ret;
+ if (card->dev->platform_data) {
+ memcpy(pdata, card->dev->platform_data, sizeof(*pdata));
+ } else if (np) {
+ /*
+ * This part must be in init() rather than probe() in order to
+ * guarantee that the WM8903 has been probed, and hence its
+ * GPIO controller registered, which is a pre-condition for
+ * of_get_named_gpio() to be able to map the phandles in the
+ * properties to the controller node. Given this, all
+ * pdata handling is in init() for consistency.
+ */
+ pdata->gpio_spkr_en = of_get_named_gpio(np,
+ "nvidia,spkr-en-gpios", 0);
+ pdata->gpio_hp_mute = of_get_named_gpio(np,
+ "nvidia,hp-mute-gpios", 0);
+ pdata->gpio_hp_det = of_get_named_gpio(np,
+ "nvidia,hp-det-gpios", 0);
+ pdata->gpio_int_mic_en = of_get_named_gpio(np,
+ "nvidia,int-mic-en-gpios", 0);
+ pdata->gpio_ext_mic_en = of_get_named_gpio(np,
+ "nvidia,ext-mic-en-gpios", 0);
+ } else {
+ dev_err(card->dev, "No platform data supplied\n");
+ return -EINVAL;
+ }
+
if (gpio_is_valid(pdata->gpio_spkr_en)) {
ret = gpio_request(pdata->gpio_spkr_en, "spkr_en");
if (ret) {
@@ -316,28 +345,7 @@ static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd)
wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE,
0);
- snd_soc_dapm_force_enable_pin(dapm, "Mic Bias");
-
- /* FIXME: Calculate automatically based on DAPM routes? */
- if (!machine_is_harmony())
- 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");
-
- 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_force_enable_pin(dapm, "MICBIAS");
return 0;
}
@@ -355,6 +363,7 @@ static struct snd_soc_dai_link tegra_wm8903_dai = {
static struct snd_soc_card snd_soc_tegra_wm8903 = {
.name = "tegra-wm8903",
+ .owner = THIS_MODULE,
.dai_link = &tegra_wm8903_dai,
.num_links = 1,
@@ -362,51 +371,91 @@ static struct snd_soc_card snd_soc_tegra_wm8903 = {
.num_controls = ARRAY_SIZE(tegra_wm8903_controls),
.dapm_widgets = tegra_wm8903_dapm_widgets,
.num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets),
+ .fully_routed = true,
};
static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = &snd_soc_tegra_wm8903;
struct tegra_wm8903 *machine;
- struct tegra_wm8903_platform_data *pdata;
int ret;
- pdata = pdev->dev.platform_data;
- if (!pdata) {
+ if (!pdev->dev.platform_data && !pdev->dev.of_node) {
dev_err(&pdev->dev, "No platform data supplied\n");
return -EINVAL;
}
- machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL);
+ machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903),
+ GFP_KERNEL);
if (!machine) {
dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n");
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err;
}
-
- machine->pdata = pdata;
-
- ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
- if (ret)
- goto err_free_machine;
+ machine->pcm_dev = ERR_PTR(-EINVAL);
card->dev = &pdev->dev;
platform_set_drvdata(pdev, card);
snd_soc_card_set_drvdata(card, machine);
- if (machine_is_harmony()) {
- card->dapm_routes = harmony_audio_map;
- card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map);
- } else if (machine_is_seaboard()) {
- card->dapm_routes = seaboard_audio_map;
- card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map);
- } else if (machine_is_kaen()) {
- card->dapm_routes = kaen_audio_map;
- card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map);
+ if (pdev->dev.of_node) {
+ ret = snd_soc_of_parse_card_name(card, "nvidia,model");
+ if (ret)
+ goto err;
+
+ ret = snd_soc_of_parse_audio_routing(card,
+ "nvidia,audio-routing");
+ if (ret)
+ goto err;
+
+ tegra_wm8903_dai.codec_name = NULL;
+ tegra_wm8903_dai.codec_of_node = of_parse_phandle(
+ pdev->dev.of_node, "nvidia,audio-codec", 0);
+ if (!tegra_wm8903_dai.codec_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'nvidia,audio-codec' missing or invalid\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ tegra_wm8903_dai.cpu_dai_name = NULL;
+ tegra_wm8903_dai.cpu_dai_of_node = of_parse_phandle(
+ pdev->dev.of_node, "nvidia,i2s-controller", 0);
+ if (!tegra_wm8903_dai.cpu_dai_of_node) {
+ dev_err(&pdev->dev,
+ "Property 'nvidia,i2s-controller' missing or invalid\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ machine->pcm_dev = platform_device_register_simple(
+ "tegra-pcm-audio", -1, NULL, 0);
+ if (IS_ERR(machine->pcm_dev)) {
+ dev_err(&pdev->dev,
+ "Can't instantiate tegra-pcm-audio\n");
+ ret = PTR_ERR(machine->pcm_dev);
+ goto err;
+ }
} else {
- card->dapm_routes = aebl_audio_map;
- card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map);
+ if (machine_is_harmony()) {
+ card->dapm_routes = harmony_audio_map;
+ card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map);
+ } else if (machine_is_seaboard()) {
+ card->dapm_routes = seaboard_audio_map;
+ card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map);
+ } else if (machine_is_kaen()) {
+ card->dapm_routes = kaen_audio_map;
+ card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map);
+ } else {
+ card->dapm_routes = aebl_audio_map;
+ card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map);
+ }
}
+ ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev);
+ if (ret)
+ goto err_unregister;
+
ret = snd_soc_register_card(card);
if (ret) {
dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
@@ -418,8 +467,10 @@ static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev)
err_fini_utils:
tegra_asoc_utils_fini(&machine->util_data);
-err_free_machine:
- kfree(machine);
+err_unregister:
+ if (!IS_ERR(machine->pcm_dev))
+ platform_device_unregister(machine->pcm_dev);
+err:
return ret;
}
@@ -427,7 +478,7 @@ static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card);
- struct tegra_wm8903_platform_data *pdata = machine->pdata;
+ struct tegra_wm8903_platform_data *pdata = &machine->pdata;
if (machine->gpio_requested & GPIO_HP_DET)
snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack,
@@ -446,35 +497,31 @@ static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev)
snd_soc_unregister_card(card);
tegra_asoc_utils_fini(&machine->util_data);
-
- kfree(machine);
+ if (!IS_ERR(machine->pcm_dev))
+ platform_device_unregister(machine->pcm_dev);
return 0;
}
+static const struct of_device_id tegra_wm8903_of_match[] __devinitconst = {
+ { .compatible = "nvidia,tegra-audio-wm8903", },
+ {},
+};
+
static struct platform_driver tegra_wm8903_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
.pm = &snd_soc_pm_ops,
+ .of_match_table = tegra_wm8903_of_match,
},
.probe = tegra_wm8903_driver_probe,
.remove = __devexit_p(tegra_wm8903_driver_remove),
};
-
-static int __init tegra_wm8903_modinit(void)
-{
- return platform_driver_register(&tegra_wm8903_driver);
-}
-module_init(tegra_wm8903_modinit);
-
-static void __exit tegra_wm8903_modexit(void)
-{
- platform_driver_unregister(&tegra_wm8903_driver);
-}
-module_exit(tegra_wm8903_modexit);
+module_platform_driver(tegra_wm8903_driver);
MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:" DRV_NAME);
+MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match);