228 lines
5.9 KiB
C
228 lines
5.9 KiB
C
/*
|
|
*
|
|
* patch_intelhdmi.c - Patch for Intel HDMI codecs
|
|
*
|
|
* Copyright(c) 2008 Intel Corporation. All rights reserved.
|
|
*
|
|
* Authors:
|
|
* Jiang Zhe <zhe.jiang@intel.com>
|
|
* Wu Fengguang <wfg@linux.intel.com>
|
|
*
|
|
* Maintained by:
|
|
* Wu Fengguang <wfg@linux.intel.com>
|
|
*
|
|
* 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; either version 2 of the License, or (at your option)
|
|
* any later version.
|
|
*
|
|
* 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, 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"
|
|
|
|
/*
|
|
* The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
|
|
* could support two independent pipes, each of them can be connected to one or
|
|
* more ports (DVI, HDMI or DisplayPort).
|
|
*
|
|
* The HDA correspondence of pipes/ports are converter/pin nodes.
|
|
*/
|
|
#define MAX_HDMI_CVTS 3
|
|
#define MAX_HDMI_PINS 3
|
|
|
|
#include "patch_hdmi.c"
|
|
|
|
static char *intel_hdmi_pcm_names[MAX_HDMI_CVTS] = {
|
|
"INTEL HDMI 0",
|
|
"INTEL HDMI 1",
|
|
"INTEL HDMI 2",
|
|
};
|
|
|
|
/*
|
|
* HDMI callbacks
|
|
*/
|
|
|
|
static int intel_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
unsigned int stream_tag,
|
|
unsigned int format,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
hdmi_set_channel_count(codec, hinfo->nid,
|
|
substream->runtime->channels);
|
|
|
|
hdmi_setup_audio_infoframe(codec, hinfo->nid, substream);
|
|
|
|
return hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
|
|
}
|
|
|
|
static int intel_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
|
|
struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static struct hda_pcm_stream intel_hdmi_pcm_playback = {
|
|
.substreams = 1,
|
|
.channels_min = 2,
|
|
.ops = {
|
|
.prepare = intel_hdmi_playback_pcm_prepare,
|
|
.cleanup = intel_hdmi_playback_pcm_cleanup,
|
|
},
|
|
};
|
|
|
|
static int intel_hdmi_build_pcms(struct hda_codec *codec)
|
|
{
|
|
struct hdmi_spec *spec = codec->spec;
|
|
struct hda_pcm *info = spec->pcm_rec;
|
|
int i;
|
|
|
|
codec->num_pcms = spec->num_cvts;
|
|
codec->pcm_info = info;
|
|
|
|
for (i = 0; i < codec->num_pcms; i++, info++) {
|
|
unsigned int chans;
|
|
|
|
chans = get_wcaps(codec, spec->cvt[i]);
|
|
chans = get_wcaps_channels(chans);
|
|
|
|
info->name = intel_hdmi_pcm_names[i];
|
|
info->pcm_type = HDA_PCM_TYPE_HDMI;
|
|
info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
|
|
intel_hdmi_pcm_playback;
|
|
info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
|
|
info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int intel_hdmi_build_controls(struct hda_codec *codec)
|
|
{
|
|
struct hdmi_spec *spec = codec->spec;
|
|
int err;
|
|
int i;
|
|
|
|
for (i = 0; i < codec->num_pcms; i++) {
|
|
err = snd_hda_create_spdif_out_ctls(codec, spec->cvt[i]);
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int intel_hdmi_init(struct hda_codec *codec)
|
|
{
|
|
struct hdmi_spec *spec = codec->spec;
|
|
int i;
|
|
|
|
for (i = 0; spec->pin[i]; i++) {
|
|
hdmi_enable_output(codec, spec->pin[i]);
|
|
snd_hda_codec_write(codec, spec->pin[i], 0,
|
|
AC_VERB_SET_UNSOLICITED_ENABLE,
|
|
AC_USRSP_EN | spec->pin[i]);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void intel_hdmi_free(struct hda_codec *codec)
|
|
{
|
|
struct hdmi_spec *spec = codec->spec;
|
|
int i;
|
|
|
|
for (i = 0; i < spec->num_pins; i++)
|
|
snd_hda_eld_proc_free(codec, &spec->sink_eld[i]);
|
|
|
|
kfree(spec);
|
|
}
|
|
|
|
static struct hda_codec_ops intel_hdmi_patch_ops = {
|
|
.init = intel_hdmi_init,
|
|
.free = intel_hdmi_free,
|
|
.build_pcms = intel_hdmi_build_pcms,
|
|
.build_controls = intel_hdmi_build_controls,
|
|
.unsol_event = hdmi_unsol_event,
|
|
};
|
|
|
|
static int patch_intel_hdmi(struct hda_codec *codec)
|
|
{
|
|
struct hdmi_spec *spec;
|
|
int i;
|
|
|
|
spec = kzalloc(sizeof(*spec), GFP_KERNEL);
|
|
if (spec == NULL)
|
|
return -ENOMEM;
|
|
|
|
codec->spec = spec;
|
|
if (hdmi_parse_codec(codec) < 0) {
|
|
codec->spec = NULL;
|
|
kfree(spec);
|
|
return -EINVAL;
|
|
}
|
|
codec->patch_ops = intel_hdmi_patch_ops;
|
|
|
|
for (i = 0; i < spec->num_pins; i++)
|
|
snd_hda_eld_proc_new(codec, &spec->sink_eld[i], i);
|
|
|
|
init_channel_allocations();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct hda_codec_preset snd_hda_preset_intelhdmi[] = {
|
|
{ .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_intel_hdmi },
|
|
{ .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_intel_hdmi },
|
|
{} /* terminator */
|
|
};
|
|
|
|
MODULE_ALIAS("snd-hda-codec-id:808629fb");
|
|
MODULE_ALIAS("snd-hda-codec-id:80862801");
|
|
MODULE_ALIAS("snd-hda-codec-id:80862802");
|
|
MODULE_ALIAS("snd-hda-codec-id:80862803");
|
|
MODULE_ALIAS("snd-hda-codec-id:80862804");
|
|
MODULE_ALIAS("snd-hda-codec-id:80862805");
|
|
MODULE_ALIAS("snd-hda-codec-id:80860054");
|
|
MODULE_ALIAS("snd-hda-codec-id:10951392");
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("Intel HDMI HD-audio codec");
|
|
|
|
static struct hda_codec_preset_list intel_list = {
|
|
.preset = snd_hda_preset_intelhdmi,
|
|
.owner = THIS_MODULE,
|
|
};
|
|
|
|
static int __init patch_intelhdmi_init(void)
|
|
{
|
|
return snd_hda_add_codec_preset(&intel_list);
|
|
}
|
|
|
|
static void __exit patch_intelhdmi_exit(void)
|
|
{
|
|
snd_hda_delete_codec_preset(&intel_list);
|
|
}
|
|
|
|
module_init(patch_intelhdmi_init)
|
|
module_exit(patch_intelhdmi_exit)
|