Add support for the ATI RS600 HDMI audio device. It has a one-stream pure digital stereo codec that isn't handled by the generic codec support. Signed-off-by: Felix Kuehling <fkuehlin@ati.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>tirimbino
Felix Kuehling
19 years ago
committed by
Jaroslav Kysela
parent
e2f872608a
commit
778b6e1b2d
@ -0,0 +1,165 @@ |
||||
/*
|
||||
* 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 <sound/driver.h> |
||||
#include <linux/init.h> |
||||
#include <linux/delay.h> |
||||
#include <linux/slab.h> |
||||
#include <linux/pci.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; |
||||
}; |
||||
|
||||
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); |
||||
return 0; |
||||
} |
||||
|
||||
#ifdef CONFIG_PM |
||||
/*
|
||||
* resume |
||||
*/ |
||||
static int atihdmi_resume(struct hda_codec *codec) |
||||
{ |
||||
atihdmi_init(codec); |
||||
snd_hda_resume_spdif_out(codec); |
||||
|
||||
return 0; |
||||
} |
||||
#endif |
||||
|
||||
/*
|
||||
* 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 struct hda_pcm_stream atihdmi_pcm_digital_playback = { |
||||
.substreams = 1, |
||||
.channels_min = 2, |
||||
.channels_max = 2, |
||||
.nid = 0x2, /* NID to query formats and rates and setup streams */ |
||||
.ops = { |
||||
.open = atihdmi_dig_playback_pcm_open, |
||||
.close = atihdmi_dig_playback_pcm_close |
||||
}, |
||||
}; |
||||
|
||||
static int atihdmi_build_pcms(struct hda_codec *codec) |
||||
{ |
||||
struct atihdmi_spec *spec = codec->spec; |
||||
struct hda_pcm *info = &spec->pcm_rec; |
||||
|
||||
codec->num_pcms = 1; |
||||
codec->pcm_info = info; |
||||
|
||||
info->name = "ATI HDMI"; |
||||
info->stream[SNDRV_PCM_STREAM_PLAYBACK] = atihdmi_pcm_digital_playback; |
||||
|
||||
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, |
||||
#ifdef CONFIG_PM |
||||
.resume = atihdmi_resume, |
||||
#endif |
||||
}; |
||||
|
||||
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; |
||||
spec->multiout.dig_out_nid = 0x2; /* NID for copying analog to digital,
|
||||
* seems to be unused in pure-digital |
||||
* case. */ |
||||
|
||||
codec->patch_ops = atihdmi_patch_ops; |
||||
|
||||
return 0; |
||||
} |
||||
|
||||
/*
|
||||
* patch entries |
||||
*/ |
||||
struct hda_codec_preset snd_hda_preset_atihdmi[] = { |
||||
{ .id = 0x1002793c, .name = "ATI RS600 HDMI", .patch = patch_atihdmi }, |
||||
{} /* terminator */ |
||||
}; |
||||
Loading…
Reference in new issue