225 строки
5.9 KiB
C
225 строки
5.9 KiB
C
/*
|
|
* Universal Interface for Intel High Definition Audio Codec
|
|
*
|
|
* HD audio interface patch for ATI HDMI codecs
|
|
*
|
|
* Copyright (c) 2006 ATI Technologies Inc.
|
|
*
|
|
*
|
|
* This driver 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; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This driver 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/slab.h>
|
|
#include <sound/core.h>
|
|
#include "hda_codec.h"
|
|
#include "hda_local.h"
|
|
|
|
struct atihdmi_spec {
|
|
struct hda_multi_out multiout;
|
|
|
|
struct hda_pcm pcm_rec;
|
|
};
|
|
|
|
#define CVT_NID 0x02 /* audio converter */
|
|
#define PIN_NID 0x03 /* HDMI output pin */
|
|
|
|
static struct hda_verb atihdmi_basic_init[] = {
|
|
/* enable digital output on pin widget */
|
|
{ 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
|
|
{} /* terminator */
|
|
};
|
|
|
|
/*
|
|
* Controls
|
|
*/
|
|
static int atihdmi_build_controls(struct hda_codec *codec)
|
|
{
|
|
struct atihdmi_spec *spec = codec->spec;
|
|
int err;
|
|
|
|
err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int atihdmi_init(struct hda_codec *codec)
|
|
{
|
|
snd_hda_sequence_write(codec, atihdmi_basic_init);
|
|
/* SI codec requires to unmute the pin */
|
|
if (get_wcaps(codec, PIN_NID) & AC_WCAP_OUT_AMP)
|
|
snd_hda_codec_write(codec, PIN_NID, 0,
|
|
AC_VERB_SET_AMP_GAIN_MUTE,
|
|
AMP_OUT_UNMUTE);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Digital out
|
|
*/
|
|
static int atihdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
struct atihdmi_spec *spec = codec->spec;
|
|
return snd_hda_multi_out_dig_open(codec, &spec->multiout);
|
|
}
|
|
|
|
static int atihdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
struct atihdmi_spec *spec = codec->spec;
|
|
return snd_hda_multi_out_dig_close(codec, &spec->multiout);
|
|
}
|
|
|
|
static int atihdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
struct atihdmi_spec *spec = codec->spec;
|
|
int chans = substream->runtime->channels;
|
|
int i, err;
|
|
|
|
err = snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
|
|
format, substream);
|
|
if (err < 0)
|
|
return err;
|
|
snd_hda_codec_write(codec, CVT_NID, 0, AC_VERB_SET_CVT_CHAN_COUNT,
|
|
chans - 1);
|
|
/* FIXME: XXX */
|
|
for (i = 0; i < chans; i++) {
|
|
snd_hda_codec_write(codec, CVT_NID, 0,
|
|
AC_VERB_SET_HDMI_CHAN_SLOT,
|
|
(i << 4) | i);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct hda_pcm_stream atihdmi_pcm_digital_playback = {
|
|
.substreams = 1,
|
|
.channels_min = 2,
|
|
.channels_max = 2,
|
|
.nid = CVT_NID, /* NID to query formats and rates and setup streams */
|
|
.ops = {
|
|
.open = atihdmi_dig_playback_pcm_open,
|
|
.close = atihdmi_dig_playback_pcm_close,
|
|
.prepare = atihdmi_dig_playback_pcm_prepare
|
|
},
|
|
};
|
|
|
|
static int atihdmi_build_pcms(struct hda_codec *codec)
|
|
{
|
|
struct atihdmi_spec *spec = codec->spec;
|
|
struct hda_pcm *info = &spec->pcm_rec;
|
|
unsigned int chans;
|
|
|
|
codec->num_pcms = 1;
|
|
codec->pcm_info = info;
|
|
|
|
info->name = "ATI HDMI";
|
|
info->pcm_type = HDA_PCM_TYPE_HDMI;
|
|
info->stream[SNDRV_PCM_STREAM_PLAYBACK] = atihdmi_pcm_digital_playback;
|
|
|
|
/* FIXME: we must check ELD and change the PCM parameters dynamically
|
|
*/
|
|
chans = get_wcaps(codec, CVT_NID);
|
|
chans = get_wcaps_channels(chans);
|
|
info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void atihdmi_free(struct hda_codec *codec)
|
|
{
|
|
kfree(codec->spec);
|
|
}
|
|
|
|
static struct hda_codec_ops atihdmi_patch_ops = {
|
|
.build_controls = atihdmi_build_controls,
|
|
.build_pcms = atihdmi_build_pcms,
|
|
.init = atihdmi_init,
|
|
.free = atihdmi_free,
|
|
};
|
|
|
|
static int patch_atihdmi(struct hda_codec *codec)
|
|
{
|
|
struct atihdmi_spec *spec;
|
|
|
|
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
|
|
if (spec == NULL)
|
|
return -ENOMEM;
|
|
|
|
codec->spec = spec;
|
|
|
|
spec->multiout.num_dacs = 0; /* no analog */
|
|
spec->multiout.max_channels = 2;
|
|
/* NID for copying analog to digital,
|
|
* seems to be unused in pure-digital
|
|
* case.
|
|
*/
|
|
spec->multiout.dig_out_nid = CVT_NID;
|
|
|
|
codec->patch_ops = atihdmi_patch_ops;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* patch entries
|
|
*/
|
|
static struct hda_codec_preset snd_hda_preset_atihdmi[] = {
|
|
{ .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi },
|
|
{ .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi },
|
|
{ .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi },
|
|
{ .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi },
|
|
{ .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_atihdmi },
|
|
{ .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_atihdmi },
|
|
{} /* terminator */
|
|
};
|
|
|
|
MODULE_ALIAS("snd-hda-codec-id:1002793c");
|
|
MODULE_ALIAS("snd-hda-codec-id:10027919");
|
|
MODULE_ALIAS("snd-hda-codec-id:1002791a");
|
|
MODULE_ALIAS("snd-hda-codec-id:1002aa01");
|
|
MODULE_ALIAS("snd-hda-codec-id:10951390");
|
|
MODULE_ALIAS("snd-hda-codec-id:17e80047");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("ATI HDMI HD-audio codec");
|
|
|
|
static struct hda_codec_preset_list atihdmi_list = {
|
|
.preset = snd_hda_preset_atihdmi,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static int __init patch_atihdmi_init(void)
|
|
{
|
|
return snd_hda_add_codec_preset(&atihdmi_list);
|
|
}
|
|
|
|
static void __exit patch_atihdmi_exit(void)
|
|
{
|
|
snd_hda_delete_codec_preset(&atihdmi_list);
|
|
}
|
|
|
|
module_init(patch_atihdmi_init)
|
|
module_exit(patch_atihdmi_exit)
|