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Diffstat (limited to 'sound/soc/uniphier/aio-cpu.c')
-rw-r--r--sound/soc/uniphier/aio-cpu.c153
1 files changed, 140 insertions, 13 deletions
diff --git a/sound/soc/uniphier/aio-cpu.c b/sound/soc/uniphier/aio-cpu.c
index 1e5eb8e6f8c7..80daec17be25 100644
--- a/sound/soc/uniphier/aio-cpu.c
+++ b/sound/soc/uniphier/aio-cpu.c
@@ -3,19 +3,6 @@
// Socionext UniPhier AIO ALSA CPU DAI driver.
//
// Copyright (c) 2016-2018 Socionext Inc.
-//
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; version 2
-// of the License.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, see <http://www.gnu.org/licenses/>.
#include <linux/clk.h>
#include <linux/errno.h>
@@ -45,6 +32,35 @@ static bool is_valid_pll(struct uniphier_aio_chip *chip, int pll_id)
return chip->plls[pll_id].enable;
}
+/**
+ * find_volume - find volume supported HW port by HW port number
+ * @chip: the AIO chip pointer
+ * @oport_hw: HW port number, one of AUD_HW_XXXX
+ *
+ * Find AIO device from device list by HW port number. Volume feature is
+ * available only in Output and PCM ports, this limitation comes from HW
+ * specifications.
+ *
+ * Return: The pointer of AIO substream if successful, otherwise NULL on error.
+ */
+static struct uniphier_aio_sub *find_volume(struct uniphier_aio_chip *chip,
+ int oport_hw)
+{
+ int i;
+
+ for (i = 0; i < chip->num_aios; i++) {
+ struct uniphier_aio_sub *sub = &chip->aios[i].sub[0];
+
+ if (!sub->swm)
+ continue;
+
+ if (sub->swm->oport.hw == oport_hw)
+ return sub;
+ }
+
+ return NULL;
+}
+
static bool match_spec(const struct uniphier_aio_spec *spec,
const char *name, int dir)
{
@@ -300,6 +316,7 @@ static int uniphier_aio_hw_params(struct snd_pcm_substream *substream,
sub->setting = 1;
aio_port_reset(sub);
+ aio_port_set_volume(sub, sub->vol);
aio_src_reset(sub);
return 0;
@@ -386,6 +403,8 @@ int uniphier_aio_dai_probe(struct snd_soc_dai *dai)
sub->swm = &spec->swm;
sub->spec = spec;
+
+ sub->vol = AUD_VOL_INIT;
}
aio_iecout_set_enable(aio->chip, true);
@@ -462,8 +481,116 @@ err_out_clock:
}
EXPORT_SYMBOL_GPL(uniphier_aio_dai_resume);
+static int uniphier_aio_vol_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 1;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = AUD_VOL_MAX;
+
+ return 0;
+}
+
+static int uniphier_aio_vol_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
+ struct uniphier_aio_chip *chip = snd_soc_component_get_drvdata(comp);
+ struct uniphier_aio_sub *sub;
+ int oport_hw = kcontrol->private_value;
+
+ sub = find_volume(chip, oport_hw);
+ if (!sub)
+ return 0;
+
+ ucontrol->value.integer.value[0] = sub->vol;
+
+ return 0;
+}
+
+static int uniphier_aio_vol_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_soc_component *comp = snd_soc_kcontrol_component(kcontrol);
+ struct uniphier_aio_chip *chip = snd_soc_component_get_drvdata(comp);
+ struct uniphier_aio_sub *sub;
+ int oport_hw = kcontrol->private_value;
+
+ sub = find_volume(chip, oport_hw);
+ if (!sub)
+ return 0;
+
+ if (sub->vol == ucontrol->value.integer.value[0])
+ return 0;
+ sub->vol = ucontrol->value.integer.value[0];
+
+ aio_port_set_volume(sub, sub->vol);
+
+ return 0;
+}
+
+static const struct snd_kcontrol_new uniphier_aio_controls[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .name = "HPCMOUT1 Volume",
+ .info = uniphier_aio_vol_info,
+ .get = uniphier_aio_vol_get,
+ .put = uniphier_aio_vol_put,
+ .private_value = AUD_HW_HPCMOUT1,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .name = "PCMOUT1 Volume",
+ .info = uniphier_aio_vol_info,
+ .get = uniphier_aio_vol_get,
+ .put = uniphier_aio_vol_put,
+ .private_value = AUD_HW_PCMOUT1,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .name = "PCMOUT2 Volume",
+ .info = uniphier_aio_vol_info,
+ .get = uniphier_aio_vol_get,
+ .put = uniphier_aio_vol_put,
+ .private_value = AUD_HW_PCMOUT2,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .name = "PCMOUT3 Volume",
+ .info = uniphier_aio_vol_info,
+ .get = uniphier_aio_vol_get,
+ .put = uniphier_aio_vol_put,
+ .private_value = AUD_HW_PCMOUT3,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .name = "HIECOUT1 Volume",
+ .info = uniphier_aio_vol_info,
+ .get = uniphier_aio_vol_get,
+ .put = uniphier_aio_vol_put,
+ .private_value = AUD_HW_HIECOUT1,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .name = "IECOUT1 Volume",
+ .info = uniphier_aio_vol_info,
+ .get = uniphier_aio_vol_get,
+ .put = uniphier_aio_vol_put,
+ .private_value = AUD_HW_IECOUT1,
+ },
+};
+
static const struct snd_soc_component_driver uniphier_aio_component = {
.name = "uniphier-aio",
+ .controls = uniphier_aio_controls,
+ .num_controls = ARRAY_SIZE(uniphier_aio_controls),
};
int uniphier_aio_probe(struct platform_device *pdev)