ASoC: Tegra: Support more boards

* 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@nvidia.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

2 files changed, 145 insertions, 42 deletions

diff --git a/sound/soc/tegra/Kconfig b/sound/soc/tegra/Kconfig
index 21125b302630..14f711977ae3 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 2b3844322c40..37f6010a9109 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);