/*
*
* 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 2
#define MAX_HDMI_PINS 3
#include "patch_hdmi.c"
static char *intel_hdmi_pcm_names[MAX_HDMI_CVTS] = {
"INTEL HDMI 0",
"INTEL HDMI 1",
};
/*
* 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);
hdmi_setup_stream(codec, hinfo->nid, stream_tag, format);
return 0;
}
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 = "G45 DEVCL", .patch = patch_intel_hdmi },
{ .id = 0x80862801, .name = "G45 DEVBLC", .patch = patch_intel_hdmi },
{ .id = 0x80862802, .name = "G45 DEVCTG", .patch = patch_intel_hdmi },
{ .id = 0x80862803, .name = "G45 DEVELK", .patch = patch_intel_hdmi },
{ .id = 0x80862804, .name = "G45 DEVIBX", .patch = patch_intel_hdmi },
{ .id = 0x80860054, .name = "Q57 DEVIBX", .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: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)
