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path: root/sound/pci/hda/patch_hdmi.c
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Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c106
1 files changed, 94 insertions, 12 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index 19cb72db9c38..81b7b791b3c3 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -31,7 +31,7 @@
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/slab.h>
-#include <linux/moduleparam.h>
+#include <linux/module.h>
#include <sound/core.h>
#include <sound/jack.h>
#include "hda_codec.h"
@@ -324,6 +324,66 @@ static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
return -EINVAL;
}
+static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct hdmi_spec *spec;
+ int pin_idx;
+
+ spec = codec->spec;
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
+
+ pin_idx = kcontrol->private_value;
+ uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
+
+ return 0;
+}
+
+static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct hdmi_spec *spec;
+ int pin_idx;
+
+ spec = codec->spec;
+ pin_idx = kcontrol->private_value;
+
+ memcpy(ucontrol->value.bytes.data,
+ spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
+
+ return 0;
+}
+
+static struct snd_kcontrol_new eld_bytes_ctl = {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = "ELD",
+ .info = hdmi_eld_ctl_info,
+ .get = hdmi_eld_ctl_get,
+};
+
+static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
+ int device)
+{
+ struct snd_kcontrol *kctl;
+ struct hdmi_spec *spec = codec->spec;
+ int err;
+
+ kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
+ if (!kctl)
+ return -ENOMEM;
+ kctl->private_value = pin_idx;
+ kctl->id.device = device;
+
+ err = snd_hda_ctl_add(codec, spec->pins[pin_idx].pin_nid, kctl);
+ if (err < 0)
+ return err;
+
+ return 0;
+}
+
#ifdef BE_PARANOID
static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
int *packet_index, int *byte_index)
@@ -946,7 +1006,6 @@ static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
unsigned int caps, config;
int pin_idx;
struct hdmi_spec_per_pin *per_pin;
- struct hdmi_eld *eld;
int err;
caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
@@ -963,23 +1022,15 @@ static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
pin_idx = spec->num_pins;
per_pin = &spec->pins[pin_idx];
- eld = &per_pin->sink_eld;
per_pin->pin_nid = pin_nid;
- err = snd_hda_input_jack_add(codec, pin_nid,
- SND_JACK_VIDEOOUT, NULL);
- if (err < 0)
- return err;
-
err = hdmi_read_pin_conn(codec, pin_idx);
if (err < 0)
return err;
spec->num_pins++;
- hdmi_present_sense(codec, pin_nid, eld);
-
return 0;
}
@@ -1162,6 +1213,25 @@ static int generic_hdmi_build_pcms(struct hda_codec *codec)
return 0;
}
+static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
+{
+ int err;
+ char hdmi_str[32];
+ struct hdmi_spec *spec = codec->spec;
+ struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
+ int pcmdev = spec->pcm_rec[pin_idx].device;
+
+ snprintf(hdmi_str, sizeof(hdmi_str), "HDMI/DP,pcm=%d", pcmdev);
+
+ err = snd_hda_input_jack_add(codec, per_pin->pin_nid,
+ SND_JACK_VIDEOOUT, pcmdev > 0 ? hdmi_str : NULL);
+ if (err < 0)
+ return err;
+
+ hdmi_present_sense(codec, per_pin->pin_nid, &per_pin->sink_eld);
+ return 0;
+}
+
static int generic_hdmi_build_controls(struct hda_codec *codec)
{
struct hdmi_spec *spec = codec->spec;
@@ -1170,12 +1240,25 @@ static int generic_hdmi_build_controls(struct hda_codec *codec)
for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
+
+ err = generic_hdmi_build_jack(codec, pin_idx);
+ if (err < 0)
+ return err;
+
err = snd_hda_create_spdif_out_ctls(codec,
per_pin->pin_nid,
per_pin->mux_nids[0]);
if (err < 0)
return err;
snd_hda_spdif_ctls_unassign(codec, pin_idx);
+
+ /* add control for ELD Bytes */
+ err = hdmi_create_eld_ctl(codec,
+ pin_idx,
+ spec->pcm_rec[pin_idx].device);
+
+ if (err < 0)
+ return err;
}
return 0;
@@ -1491,7 +1574,7 @@ static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
struct snd_pcm_substream *substream)
{
int chs;
- unsigned int dataDCC1, dataDCC2, channel_id;
+ unsigned int dataDCC2, channel_id;
int i;
struct hdmi_spec *spec = codec->spec;
struct hda_spdif_out *spdif =
@@ -1501,7 +1584,6 @@ static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
chs = substream->runtime->channels;
- dataDCC1 = AC_DIG1_ENABLE | AC_DIG1_COPYRIGHT;
dataDCC2 = 0x2;
/* turn off SPDIF once; otherwise the IEC958 bits won't be updated */