From d009051ca214924526788afdb49ccd4a6fa2a4b8 Mon Sep 17 00:00:00 2001 From: Henrik Rydberg Date: Fri, 5 Nov 2010 13:00:15 +0100 Subject: Initial dump of hda from maverick kernel Ubuntu-2.6.35-23.36 Signed-off-by: Henrik Rydberg --- usr/src/dkms_source_tree/patch_intelhdmi.c | 228 +++++++++++++++++++++++++++++ 1 file changed, 228 insertions(+) create mode 100644 usr/src/dkms_source_tree/patch_intelhdmi.c (limited to 'usr/src/dkms_source_tree/patch_intelhdmi.c') diff --git a/usr/src/dkms_source_tree/patch_intelhdmi.c b/usr/src/dkms_source_tree/patch_intelhdmi.c new file mode 100644 index 0000000..b81d23e --- /dev/null +++ b/usr/src/dkms_source_tree/patch_intelhdmi.c @@ -0,0 +1,228 @@ +/* + * + * patch_intelhdmi.c - Patch for Intel HDMI codecs + * + * Copyright(c) 2008 Intel Corporation. All rights reserved. + * + * Authors: + * Jiang Zhe + * Wu Fengguang + * + * Maintained by: + * Wu Fengguang + * + * 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 +#include +#include +#include +#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); + + 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 = "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) -- cgit v1.2.3