[linux-2.6-block.git] / sound / pci / hda / patch_nvhdmi.c

/*
 * Universal Interface for Intel High Definition Audio Codec
 *
 * HD audio interface patch for NVIDIA HDMI codecs
 *
 * Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
 * Copyright (c) 2008 Wei Ni <wni@nvidia.com>
 *
 *
 *  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 nvhdmi_spec {
	struct hda_multi_out multiout;

	struct hda_pcm pcm_rec;
};

static struct hda_verb nvhdmi_basic_init[] = {
	/* enable digital output on pin widget */
	{ 0x05, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
	{} /* terminator */
};

/*
 * Controls
 */
static int nvhdmi_build_controls(struct hda_codec *codec)
{
	struct nvhdmi_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 nvhdmi_init(struct hda_codec *codec)
{
	snd_hda_sequence_write(codec, nvhdmi_basic_init);
	return 0;
}

/*
 * Digital out
 */
static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
				     struct hda_codec *codec,
				     struct snd_pcm_substream *substream)
{
	struct nvhdmi_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
}

static int nvhdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
				      struct hda_codec *codec,
				      struct snd_pcm_substream *substream)
{
	struct nvhdmi_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
}

static int nvhdmi_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 nvhdmi_spec *spec = codec->spec;
	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
					     format, substream);
}

static struct hda_pcm_stream nvhdmi_pcm_digital_playback = {
	.substreams = 1,
	.channels_min = 2,
	.channels_max = 2,
	.nid = 0x4, /* NID to query formats and rates and setup streams */
	.rates = SNDRV_PCM_RATE_48000,
	.maxbps = 16,
	.formats = SNDRV_PCM_FMTBIT_S16_LE,
	.ops = {
		.open = nvhdmi_dig_playback_pcm_open,
		.close = nvhdmi_dig_playback_pcm_close,
		.prepare = nvhdmi_dig_playback_pcm_prepare
	},
};

static int nvhdmi_build_pcms(struct hda_codec *codec)
{
	struct nvhdmi_spec *spec = codec->spec;
	struct hda_pcm *info = &spec->pcm_rec;

	codec->num_pcms = 1;
	codec->pcm_info = info;

	info->name = "NVIDIA HDMI";
	info->pcm_type = HDA_PCM_TYPE_HDMI;
	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback;

	return 0;
}

static void nvhdmi_free(struct hda_codec *codec)
{
	kfree(codec->spec);
}

static struct hda_codec_ops nvhdmi_patch_ops = {
	.build_controls = nvhdmi_build_controls,
	.build_pcms = nvhdmi_build_pcms,
	.init = nvhdmi_init,
	.free = nvhdmi_free,
};

static int patch_nvhdmi(struct hda_codec *codec)
{
	struct nvhdmi_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 = 0x4; /* NID for copying analog to digital,
					   * seems to be unused in pure-digital
					   * case. */

	codec->patch_ops = nvhdmi_patch_ops;

	return 0;
}

/*
 * patch entries
 */
static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
	{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
	{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
	{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi },
	{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi },
	{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi },
	{} /* terminator */
};

MODULE_ALIAS("snd-hda-codec-id:10de0002");
MODULE_ALIAS("snd-hda-codec-id:10de0006");
MODULE_ALIAS("snd-hda-codec-id:10de0007");
MODULE_ALIAS("snd-hda-codec-id:10de0067");
MODULE_ALIAS("snd-hda-codec-id:10de8001");

MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");

static struct hda_codec_preset_list nvhdmi_list = {
	.preset = snd_hda_preset_nvhdmi,
	.owner = THIS_MODULE,
};

static int __init patch_nvhdmi_init(void)
{
	return snd_hda_add_codec_preset(&nvhdmi_list);
}

static void __exit patch_nvhdmi_exit(void)
{
	snd_hda_delete_codec_preset(&nvhdmi_list);
}

module_init(patch_nvhdmi_init)
module_exit(patch_nvhdmi_exit)
Commit	Line	Data
9a10eb21 WN	1	/*
	2	* Universal Interface for Intel High Definition Audio Codec
	3	*
	4	* HD audio interface patch for NVIDIA HDMI codecs
	5	*
	6	* Copyright (c) 2008 NVIDIA Corp. All rights reserved.
	7	* Copyright (c) 2008 Wei Ni <wni@nvidia.com>
	8	*
	9	*
	10	* This driver is free software; you can redistribute it and/or modify
	11	* it under the terms of the GNU General Public License as published by
	12	* the Free Software Foundation; either version 2 of the License, or
	13	* (at your option) any later version.
	14	*
	15	* This driver is distributed in the hope that it will be useful,
	16	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	17	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	18	* GNU General Public License for more details.
	19	*
	20	* You should have received a copy of the GNU General Public License
	21	* along with this program; if not, write to the Free Software
	22	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	23	*/
	24
	25	#include <linux/init.h>
	26	#include <linux/delay.h>
	27	#include <linux/slab.h>
	28	#include <sound/core.h>
	29	#include "hda_codec.h"
	30	#include "hda_local.h"
	31
	32	struct nvhdmi_spec {
	33	struct hda_multi_out multiout;
	34
	35	struct hda_pcm pcm_rec;
	36	};
	37
	38	static struct hda_verb nvhdmi_basic_init[] = {
	39	/* enable digital output on pin widget */
	40	{ 0x05, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
	41	{} /* terminator */
	42	};
	43
	44	/*
	45	* Controls
	46	*/
	47	static int nvhdmi_build_controls(struct hda_codec *codec)
	48	{
	49	struct nvhdmi_spec *spec = codec->spec;
	50	int err;
	51
	52	err = snd_hda_create_spdif_out_ctls(codec, spec->multiout.dig_out_nid);
	53	if (err < 0)
	54	return err;
	55
	56	return 0;
	57	}
	58
	59	static int nvhdmi_init(struct hda_codec *codec)
	60	{
	61	snd_hda_sequence_write(codec, nvhdmi_basic_init);
	62	return 0;
	63	}
	64
65	/*
66	* Digital out
67	*/
68	static int nvhdmi_dig_playback_pcm_open(struct hda_pcm_stream *hinfo,
69	struct hda_codec *codec,
70	struct snd_pcm_substream *substream)
71	{
72	struct nvhdmi_spec *spec = codec->spec;
73	return snd_hda_multi_out_dig_open(codec, &spec->multiout);
74	}
75
76	static int nvhdmi_dig_playback_pcm_close(struct hda_pcm_stream *hinfo,
77	struct hda_codec *codec,
78	struct snd_pcm_substream *substream)
79	{
80	struct nvhdmi_spec *spec = codec->spec;
81	return snd_hda_multi_out_dig_close(codec, &spec->multiout);
82	}
83
84	static int nvhdmi_dig_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
85	struct hda_codec *codec,
86	unsigned int stream_tag,
87	unsigned int format,
88	struct snd_pcm_substream *substream)
89	{
90	struct nvhdmi_spec *spec = codec->spec;
91	return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, stream_tag,
92	format, substream);
93	}
94
95	static struct hda_pcm_stream nvhdmi_pcm_digital_playback = {
96	.substreams = 1,
97	.channels_min = 2,
98	.channels_max = 2,
99	.nid = 0x4, /* NID to query formats and rates and setup streams */
100	.rates = SNDRV_PCM_RATE_48000,
101	.maxbps = 16,
102	.formats = SNDRV_PCM_FMTBIT_S16_LE,
103	.ops = {
104	.open = nvhdmi_dig_playback_pcm_open,
105	.close = nvhdmi_dig_playback_pcm_close,
106	.prepare = nvhdmi_dig_playback_pcm_prepare
107	},
108	};
109
110	static int nvhdmi_build_pcms(struct hda_codec *codec)
111	{
112	struct nvhdmi_spec *spec = codec->spec;
113	struct hda_pcm *info = &spec->pcm_rec;
114
115	codec->num_pcms = 1;
116	codec->pcm_info = info;
117
118	info->name = "NVIDIA HDMI";
ec4e86ba	119	info->pcm_type = HDA_PCM_TYPE_HDMI;
9a10eb21 WN	120	info->stream[SNDRV_PCM_STREAM_PLAYBACK] = nvhdmi_pcm_digital_playback;
	121
	122	return 0;
	123	}
	124
	125	static void nvhdmi_free(struct hda_codec *codec)
	126	{
	127	kfree(codec->spec);
	128	}
	129
	130	static struct hda_codec_ops nvhdmi_patch_ops = {
	131	.build_controls = nvhdmi_build_controls,
	132	.build_pcms = nvhdmi_build_pcms,
	133	.init = nvhdmi_init,
	134	.free = nvhdmi_free,
	135	};
	136
	137	static int patch_nvhdmi(struct hda_codec *codec)
	138	{
	139	struct nvhdmi_spec *spec;
	140
	141	spec = kzalloc(sizeof(*spec), GFP_KERNEL);
	142	if (spec == NULL)
	143	return -ENOMEM;
	144
	145	codec->spec = spec;
	146
	147	spec->multiout.num_dacs = 0; /* no analog */
	148	spec->multiout.max_channels = 2;
	149	spec->multiout.dig_out_nid = 0x4; /* NID for copying analog to digital,
	150	* seems to be unused in pure-digital
	151	* case. */
	152
	153	codec->patch_ops = nvhdmi_patch_ops;
	154
	155	return 0;
	156	}
	157
	158	/*
	159	* patch entries
	160	*/
1289e9e8	161	static struct hda_codec_preset snd_hda_preset_nvhdmi[] = {
31117b78	162	{ .id = 0x10de0002, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
f84e3e91	163	{ .id = 0x10de0006, .name = "MCP78 HDMI", .patch = patch_nvhdmi },
31117b78 TI	164	{ .id = 0x10de0007, .name = "MCP7A HDMI", .patch = patch_nvhdmi },
31117b78 TI	165	{ .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi },
e3d6ce6f	166	{ .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi },
9a10eb21 WN	167	{} /* terminator */
9a10eb21 WN	168	};
1289e9e8 TI	169
1289e9e8 TI	170	MODULE_ALIAS("snd-hda-codec-id:10de0002");
f84e3e91	171	MODULE_ALIAS("snd-hda-codec-id:10de0006");
1289e9e8	172	MODULE_ALIAS("snd-hda-codec-id:10de0007");
4151d154	173	MODULE_ALIAS("snd-hda-codec-id:10de0067");
e3d6ce6f	174	MODULE_ALIAS("snd-hda-codec-id:10de8001");
1289e9e8 TI	175
	176	MODULE_LICENSE("GPL");
	177	MODULE_DESCRIPTION("Nvidia HDMI HD-audio codec");
	178
	179	static struct hda_codec_preset_list nvhdmi_list = {
	180	.preset = snd_hda_preset_nvhdmi,
	181	.owner = THIS_MODULE,
	182	};
	183
	184	static int __init patch_nvhdmi_init(void)
	185	{
	186	return snd_hda_add_codec_preset(&nvhdmi_list);
	187	}
	188
	189	static void __exit patch_nvhdmi_exit(void)
	190	{
	191	snd_hda_delete_codec_preset(&nvhdmi_list);
	192	}
	193
	194	module_init(patch_nvhdmi_init)
	195	module_exit(patch_nvhdmi_exit)