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Diffstat (limited to 'sound/soc/omap/rx51.c')
-rw-r--r--sound/soc/omap/rx51.c275
1 files changed, 177 insertions, 98 deletions
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
index 7fb3d4b..6951dc8 100644
--- a/sound/soc/omap/rx51.c
+++ b/sound/soc/omap/rx51.c
@@ -26,6 +26,7 @@
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <sound/core.h>
#include <sound/jack.h>
@@ -38,15 +39,6 @@
#include "omap-mcbsp.h"
-#define RX51_TVOUT_SEL_GPIO 40
-#define RX51_JACK_DETECT_GPIO 177
-#define RX51_ECI_SW_GPIO 182
-/*
- * REVISIT: TWL4030 GPIO base in RX-51. Now statically defined to 192. This
- * gpio is reserved in arch/arm/mach-omap2/board-rx51-peripherals.c
- */
-#define RX51_SPEAKER_AMP_TWL_GPIO (192 + 7)
-
enum {
RX51_JACK_DISABLED,
RX51_JACK_TVOUT, /* tv-out with stereo output */
@@ -54,12 +46,21 @@ enum {
RX51_JACK_HS, /* headset: stereo output with mic */
};
+struct rx51_audio_pdata {
+ struct gpio_desc *tvout_selection_gpio;
+ struct gpio_desc *jack_detection_gpio;
+ struct gpio_desc *eci_sw_gpio;
+ struct gpio_desc *speaker_amp_gpio;
+};
+
static int rx51_spk_func;
static int rx51_dmic_func;
static int rx51_jack_func;
static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
{
+ struct snd_soc_card *card = dapm->card;
+ struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
int hp = 0, hs = 0, tvout = 0;
switch (rx51_jack_func) {
@@ -93,7 +94,7 @@ static void rx51_ext_control(struct snd_soc_dapm_context *dapm)
else
snd_soc_dapm_disable_pin_unlocked(dapm, "HS Mic");
- gpio_set_value(RX51_TVOUT_SEL_GPIO, tvout);
+ gpiod_set_value(pdata->tvout_selection_gpio, tvout);
snd_soc_dapm_sync_unlocked(dapm);
@@ -154,10 +155,12 @@ static int rx51_set_spk(struct snd_kcontrol *kcontrol,
static int rx51_spk_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
- if (SND_SOC_DAPM_EVENT_ON(event))
- gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 1);
- else
- gpio_set_value_cansleep(RX51_SPEAKER_AMP_TWL_GPIO, 0);
+ struct snd_soc_dapm_context *dapm = w->dapm;
+ struct snd_soc_card *card = dapm->card;
+ struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
+
+ gpiod_set_raw_value_cansleep(pdata->speaker_amp_gpio,
+ !!SND_SOC_DAPM_EVENT_ON(event));
return 0;
}
@@ -223,7 +226,6 @@ static struct snd_soc_jack rx51_av_jack;
static struct snd_soc_jack_gpio rx51_av_jack_gpios[] = {
{
- .gpio = RX51_JACK_DETECT_GPIO,
.name = "avdet-gpio",
.report = SND_JACK_HEADSET,
.invert = 1,
@@ -237,9 +239,6 @@ static const struct snd_soc_dapm_widget aic34_dapm_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", rx51_hp_event),
SND_SOC_DAPM_MIC("HS Mic", NULL),
SND_SOC_DAPM_LINE("FM Transmitter", NULL),
-};
-
-static const struct snd_soc_dapm_widget aic34_dapm_widgetsb[] = {
SND_SOC_DAPM_SPK("Earphone", NULL),
};
@@ -253,9 +252,7 @@ static const struct snd_soc_dapm_route audio_map[] = {
{"DMic Rate 64", NULL, "Mic Bias"},
{"Mic Bias", NULL, "DMic"},
-};
-static const struct snd_soc_dapm_route audio_mapb[] = {
{"b LINE2R", NULL, "MONO_LOUT"},
{"Earphone", NULL, "b HPLOUT"},
@@ -263,9 +260,11 @@ static const struct snd_soc_dapm_route audio_mapb[] = {
{"b Mic Bias", NULL, "HS Mic"}
};
-static const char *spk_function[] = {"Off", "On"};
-static const char *input_function[] = {"ADC", "Digital Mic"};
-static const char *jack_function[] = {"Off", "TV-OUT", "Headphone", "Headset"};
+static const char * const spk_function[] = {"Off", "On"};
+static const char * const input_function[] = {"ADC", "Digital Mic"};
+static const char * const jack_function[] = {
+ "Off", "TV-OUT", "Headphone", "Headset"
+};
static const struct soc_enum rx51_enum[] = {
SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function),
@@ -281,15 +280,15 @@ static const struct snd_kcontrol_new aic34_rx51_controls[] = {
SOC_ENUM_EXT("Jack Function", rx51_enum[2],
rx51_get_jack, rx51_set_jack),
SOC_DAPM_PIN_SWITCH("FM Transmitter"),
-};
-
-static const struct snd_kcontrol_new aic34_rx51_controlsb[] = {
SOC_DAPM_PIN_SWITCH("Earphone"),
};
static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
{
struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_card *card = rtd->card;
+ struct rx51_audio_pdata *pdata = snd_soc_card_get_drvdata(card);
+
struct snd_soc_dapm_context *dapm = &codec->dapm;
int err;
@@ -298,57 +297,41 @@ static int rx51_aic34_init(struct snd_soc_pcm_runtime *rtd)
snd_soc_dapm_nc_pin(dapm, "MIC3R");
snd_soc_dapm_nc_pin(dapm, "LINE1R");
- /* Add RX-51 specific controls */
- err = snd_soc_add_card_controls(rtd->card, aic34_rx51_controls,
- ARRAY_SIZE(aic34_rx51_controls));
- if (err < 0)
- return err;
-
- /* Add RX-51 specific widgets */
- snd_soc_dapm_new_controls(dapm, aic34_dapm_widgets,
- ARRAY_SIZE(aic34_dapm_widgets));
-
- /* Set up RX-51 specific audio path audio_map */
- snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
-
err = tpa6130a2_add_controls(codec);
- if (err < 0)
+ if (err < 0) {
+ dev_err(card->dev, "Failed to add TPA6130A2 controls\n");
return err;
+ }
snd_soc_limit_volume(codec, "TPA6130A2 Headphone Playback Volume", 42);
- err = omap_mcbsp_st_add_controls(rtd);
- if (err < 0)
+ err = omap_mcbsp_st_add_controls(rtd, 2);
+ if (err < 0) {
+ dev_err(card->dev, "Failed to add MCBSP controls\n");
return err;
+ }
/* AV jack detection */
err = snd_soc_jack_new(codec, "AV Jack",
SND_JACK_HEADSET | SND_JACK_VIDEOOUT,
&rx51_av_jack);
- if (err)
+ if (err) {
+ dev_err(card->dev, "Failed to add AV Jack\n");
return err;
+ }
+
+ /* prepare gpio for snd_soc_jack_add_gpios */
+ rx51_av_jack_gpios[0].gpio = desc_to_gpio(pdata->jack_detection_gpio);
+ devm_gpiod_put(card->dev, pdata->jack_detection_gpio);
+
err = snd_soc_jack_add_gpios(&rx51_av_jack,
ARRAY_SIZE(rx51_av_jack_gpios),
rx51_av_jack_gpios);
-
- return err;
-}
-
-static int rx51_aic34b_init(struct snd_soc_dapm_context *dapm)
-{
- int err;
-
- err = snd_soc_add_card_controls(dapm->card, aic34_rx51_controlsb,
- ARRAY_SIZE(aic34_rx51_controlsb));
- if (err < 0)
+ if (err) {
+ dev_err(card->dev, "Failed to add GPIOs\n");
return err;
+ }
- err = snd_soc_dapm_new_controls(dapm, aic34_dapm_widgetsb,
- ARRAY_SIZE(aic34_dapm_widgetsb));
- if (err < 0)
- return 0;
-
- return snd_soc_dapm_add_routes(dapm, audio_mapb,
- ARRAY_SIZE(audio_mapb));
+ return err;
}
/* Digital audio interface glue - connects codec <--> CPU */
@@ -358,7 +341,7 @@ static struct snd_soc_dai_link rx51_dai[] = {
.stream_name = "AIC34",
.cpu_dai_name = "omap-mcbsp.2",
.codec_dai_name = "tlv320aic3x-hifi",
- .platform_name = "omap-pcm-audio",
+ .platform_name = "omap-mcbsp.2",
.codec_name = "tlv320aic3x-codec.2-0018",
.dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_IB_NF |
SND_SOC_DAIFMT_CBM_CFM,
@@ -371,7 +354,6 @@ static struct snd_soc_aux_dev rx51_aux_dev[] = {
{
.name = "TLV320AIC34b",
.codec_name = "tlv320aic3x-codec.2-0019",
- .init = rx51_aic34b_init,
},
};
@@ -392,63 +374,160 @@ static struct snd_soc_card rx51_sound_card = {
.num_aux_devs = ARRAY_SIZE(rx51_aux_dev),
.codec_conf = rx51_codec_conf,
.num_configs = ARRAY_SIZE(rx51_codec_conf),
-};
-static struct platform_device *rx51_snd_device;
+ .controls = aic34_rx51_controls,
+ .num_controls = ARRAY_SIZE(aic34_rx51_controls),
+ .dapm_widgets = aic34_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aic34_dapm_widgets),
+ .dapm_routes = audio_map,
+ .num_dapm_routes = ARRAY_SIZE(audio_map),
+};
-static int __init rx51_soc_init(void)
+static int rx51_soc_probe(struct platform_device *pdev)
{
+ struct rx51_audio_pdata *pdata;
+ struct device_node *np = pdev->dev.of_node;
+ struct snd_soc_card *card = &rx51_sound_card;
int err;
if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
return -ENODEV;
- err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
- GPIOF_DIR_OUT | GPIOF_INIT_LOW, "tvout_sel");
- if (err)
- goto err_gpio_tvout_sel;
- err = gpio_request_one(RX51_ECI_SW_GPIO,
- GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "eci_sw");
- if (err)
- goto err_gpio_eci_sw;
-
- rx51_snd_device = platform_device_alloc("soc-audio", -1);
- if (!rx51_snd_device) {
- err = -ENOMEM;
- goto err1;
+ card->dev = &pdev->dev;
+
+ if (np) {
+ struct device_node *dai_node;
+
+ dai_node = of_parse_phandle(np, "nokia,cpu-dai", 0);
+ if (!dai_node) {
+ dev_err(&pdev->dev, "McBSP node is not provided\n");
+ return -EINVAL;
+ }
+ rx51_dai[0].cpu_dai_name = NULL;
+ rx51_dai[0].platform_name = NULL;
+ rx51_dai[0].cpu_of_node = dai_node;
+ rx51_dai[0].platform_of_node = dai_node;
+
+ dai_node = of_parse_phandle(np, "nokia,audio-codec", 0);
+ if (!dai_node) {
+ dev_err(&pdev->dev, "Codec node is not provided\n");
+ return -EINVAL;
+ }
+ rx51_dai[0].codec_name = NULL;
+ rx51_dai[0].codec_of_node = dai_node;
+
+ dai_node = of_parse_phandle(np, "nokia,audio-codec", 1);
+ if (!dai_node) {
+ dev_err(&pdev->dev, "Auxiliary Codec node is not provided\n");
+ return -EINVAL;
+ }
+ rx51_aux_dev[0].codec_name = NULL;
+ rx51_aux_dev[0].codec_of_node = dai_node;
+ rx51_codec_conf[0].dev_name = NULL;
+ rx51_codec_conf[0].of_node = dai_node;
+
+ dai_node = of_parse_phandle(np, "nokia,headphone-amplifier", 0);
+ if (!dai_node) {
+ dev_err(&pdev->dev, "Headphone amplifier node is not provided\n");
+ return -EINVAL;
+ }
+
+ /* TODO: tpa6130a2a driver supports only a single instance, so
+ * this driver ignores the headphone-amplifier node for now.
+ * It's already mandatory in the DT binding to be future proof.
+ */
}
- platform_set_drvdata(rx51_snd_device, &rx51_sound_card);
+ pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
+ if (pdata == NULL) {
+ dev_err(card->dev, "failed to create private data\n");
+ return -ENOMEM;
+ }
+ snd_soc_card_set_drvdata(card, pdata);
- err = platform_device_add(rx51_snd_device);
- if (err)
- goto err2;
+ pdata->tvout_selection_gpio = devm_gpiod_get(card->dev,
+ "tvout-selection");
+ if (IS_ERR(pdata->tvout_selection_gpio)) {
+ dev_err(card->dev, "could not get tvout selection gpio\n");
+ return PTR_ERR(pdata->tvout_selection_gpio);
+ }
- return 0;
-err2:
- platform_device_put(rx51_snd_device);
-err1:
- gpio_free(RX51_ECI_SW_GPIO);
-err_gpio_eci_sw:
- gpio_free(RX51_TVOUT_SEL_GPIO);
-err_gpio_tvout_sel:
+ err = gpiod_direction_output(pdata->tvout_selection_gpio, 0);
+ if (err) {
+ dev_err(card->dev, "could not setup tvout selection gpio\n");
+ return err;
+ }
- return err;
+ pdata->jack_detection_gpio = devm_gpiod_get(card->dev,
+ "jack-detection");
+ if (IS_ERR(pdata->jack_detection_gpio)) {
+ dev_err(card->dev, "could not get jack detection gpio\n");
+ return PTR_ERR(pdata->jack_detection_gpio);
+ }
+
+ pdata->eci_sw_gpio = devm_gpiod_get(card->dev, "eci-switch");
+ if (IS_ERR(pdata->eci_sw_gpio)) {
+ dev_err(card->dev, "could not get eci switch gpio\n");
+ return PTR_ERR(pdata->eci_sw_gpio);
+ }
+
+ err = gpiod_direction_output(pdata->eci_sw_gpio, 1);
+ if (err) {
+ dev_err(card->dev, "could not setup eci switch gpio\n");
+ return err;
+ }
+
+ pdata->speaker_amp_gpio = devm_gpiod_get(card->dev,
+ "speaker-amplifier");
+ if (IS_ERR(pdata->speaker_amp_gpio)) {
+ dev_err(card->dev, "could not get speaker enable gpio\n");
+ return PTR_ERR(pdata->speaker_amp_gpio);
+ }
+
+ err = gpiod_direction_output(pdata->speaker_amp_gpio, 0);
+ if (err) {
+ dev_err(card->dev, "could not setup speaker enable gpio\n");
+ return err;
+ }
+
+ err = devm_snd_soc_register_card(card->dev, card);
+ if (err) {
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", err);
+ return err;
+ }
+
+ return 0;
}
-static void __exit rx51_soc_exit(void)
+static int rx51_soc_remove(struct platform_device *pdev)
{
snd_soc_jack_free_gpios(&rx51_av_jack, ARRAY_SIZE(rx51_av_jack_gpios),
rx51_av_jack_gpios);
- platform_device_unregister(rx51_snd_device);
- gpio_free(RX51_ECI_SW_GPIO);
- gpio_free(RX51_TVOUT_SEL_GPIO);
+ return 0;
}
-module_init(rx51_soc_init);
-module_exit(rx51_soc_exit);
+#if defined(CONFIG_OF)
+static const struct of_device_id rx51_audio_of_match[] = {
+ { .compatible = "nokia,n900-audio", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, rx51_audio_of_match);
+#endif
+
+static struct platform_driver rx51_soc_driver = {
+ .driver = {
+ .name = "rx51-audio",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(rx51_audio_of_match),
+ },
+ .probe = rx51_soc_probe,
+ .remove = rx51_soc_remove,
+};
+
+module_platform_driver(rx51_soc_driver);
MODULE_AUTHOR("Nokia Corporation");
MODULE_DESCRIPTION("ALSA SoC Nokia RX-51");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:rx51-audio");
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