515 lines
16 KiB
C
515 lines
16 KiB
C
/*
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* Universal Interface for Intel High Definition Audio Codec
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*
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* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __SOUND_HDA_CODEC_H
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#define __SOUND_HDA_CODEC_H
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#include <linux/kref.h>
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#include <sound/info.h>
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#include <sound/control.h>
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#include <sound/pcm.h>
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#include <sound/hwdep.h>
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#include <sound/hdaudio.h>
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#include <sound/hda_verbs.h>
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#include <sound/hda_regmap.h>
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/*
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* Structures
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*/
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struct hda_bus;
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struct hda_beep;
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struct hda_codec;
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struct hda_pcm;
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struct hda_pcm_stream;
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/*
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* codec bus
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*
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* each controller needs to creata a hda_bus to assign the accessor.
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* A hda_bus contains several codecs in the list codec_list.
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*/
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struct hda_bus {
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struct hdac_bus core;
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struct snd_card *card;
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struct pci_dev *pci;
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const char *modelname;
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struct mutex prepare_mutex;
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/* assigned PCMs */
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DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
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/* misc op flags */
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unsigned int needs_damn_long_delay :1;
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unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
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/* status for codec/controller */
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unsigned int shutdown :1; /* being unloaded */
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unsigned int response_reset:1; /* controller was reset */
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unsigned int in_reset:1; /* during reset operation */
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unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
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int primary_dig_out_type; /* primary digital out PCM type */
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};
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/* from hdac_bus to hda_bus */
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#define to_hda_bus(bus) container_of(bus, struct hda_bus, core)
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/*
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* codec preset
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*
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* Known codecs have the patch to build and set up the controls/PCMs
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* better than the generic parser.
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*/
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struct hda_codec_preset {
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unsigned int id;
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unsigned int rev;
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const char *name;
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int (*patch)(struct hda_codec *codec);
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};
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#define HDA_CODEC_ID_GENERIC_HDMI 0x00000101
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#define HDA_CODEC_ID_GENERIC 0x00000201
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struct hda_codec_driver {
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struct hdac_driver core;
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const struct hda_codec_preset *preset;
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};
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int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
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struct module *owner);
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#define hda_codec_driver_register(drv) \
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__hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
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void hda_codec_driver_unregister(struct hda_codec_driver *drv);
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#define module_hda_codec_driver(drv) \
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module_driver(drv, hda_codec_driver_register, \
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hda_codec_driver_unregister)
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/* ops set by the preset patch */
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struct hda_codec_ops {
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int (*build_controls)(struct hda_codec *codec);
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int (*build_pcms)(struct hda_codec *codec);
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int (*init)(struct hda_codec *codec);
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void (*free)(struct hda_codec *codec);
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void (*unsol_event)(struct hda_codec *codec, unsigned int res);
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void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
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unsigned int power_state);
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#ifdef CONFIG_PM
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int (*suspend)(struct hda_codec *codec);
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int (*resume)(struct hda_codec *codec);
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int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
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#endif
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void (*reboot_notify)(struct hda_codec *codec);
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void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
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};
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/* PCM callbacks */
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struct hda_pcm_ops {
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int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
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struct snd_pcm_substream *substream);
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int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
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struct snd_pcm_substream *substream);
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int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
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unsigned int stream_tag, unsigned int format,
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struct snd_pcm_substream *substream);
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int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
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struct snd_pcm_substream *substream);
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unsigned int (*get_delay)(struct hda_pcm_stream *info,
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struct hda_codec *codec,
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struct snd_pcm_substream *substream);
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};
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/* PCM information for each substream */
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struct hda_pcm_stream {
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unsigned int substreams; /* number of substreams, 0 = not exist*/
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unsigned int channels_min; /* min. number of channels */
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unsigned int channels_max; /* max. number of channels */
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hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
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u32 rates; /* supported rates */
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u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
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unsigned int maxbps; /* supported max. bit per sample */
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const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
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struct hda_pcm_ops ops;
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};
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/* PCM types */
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enum {
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HDA_PCM_TYPE_AUDIO,
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HDA_PCM_TYPE_SPDIF,
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HDA_PCM_TYPE_HDMI,
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HDA_PCM_TYPE_MODEM,
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HDA_PCM_NTYPES
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};
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/* for PCM creation */
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struct hda_pcm {
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char *name;
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struct hda_pcm_stream stream[2];
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unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
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int device; /* device number to assign */
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struct snd_pcm *pcm; /* assigned PCM instance */
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bool own_chmap; /* codec driver provides own channel maps */
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/* private: */
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struct hda_codec *codec;
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struct kref kref;
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struct list_head list;
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};
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/* codec information */
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struct hda_codec {
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struct hdac_device core;
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struct hda_bus *bus;
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struct snd_card *card;
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unsigned int addr; /* codec addr*/
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u32 probe_id; /* overridden id for probing */
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/* detected preset */
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const struct hda_codec_preset *preset;
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const char *modelname; /* model name for preset */
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/* set by patch */
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struct hda_codec_ops patch_ops;
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/* PCM to create, set by patch_ops.build_pcms callback */
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struct list_head pcm_list_head;
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/* codec specific info */
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void *spec;
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/* beep device */
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struct hda_beep *beep;
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unsigned int beep_mode;
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/* widget capabilities cache */
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u32 *wcaps;
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struct snd_array mixers; /* list of assigned mixer elements */
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struct snd_array nids; /* list of mapped mixer elements */
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struct list_head conn_list; /* linked-list of connection-list */
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struct mutex spdif_mutex;
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struct mutex control_mutex;
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struct snd_array spdif_out;
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unsigned int spdif_in_enable; /* SPDIF input enable? */
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const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
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struct snd_array init_pins; /* initial (BIOS) pin configurations */
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struct snd_array driver_pins; /* pin configs set by codec parser */
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struct snd_array cvt_setups; /* audio convert setups */
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struct mutex user_mutex;
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#ifdef CONFIG_SND_HDA_RECONFIG
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struct snd_array init_verbs; /* additional init verbs */
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struct snd_array hints; /* additional hints */
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struct snd_array user_pins; /* default pin configs to override */
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#endif
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#ifdef CONFIG_SND_HDA_HWDEP
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struct snd_hwdep *hwdep; /* assigned hwdep device */
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#endif
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/* misc flags */
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unsigned int in_freeing:1; /* being released */
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unsigned int registered:1; /* codec was registered */
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unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
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* status change
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* (e.g. Realtek codecs)
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*/
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unsigned int pin_amp_workaround:1; /* pin out-amp takes index
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* (e.g. Conexant codecs)
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*/
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unsigned int single_adc_amp:1; /* adc in-amp takes no index
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* (e.g. CX20549 codec)
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*/
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unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
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unsigned int pins_shutup:1; /* pins are shut up */
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unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
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unsigned int no_jack_detect:1; /* Machine has no jack-detection */
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unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
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unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
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unsigned int pcm_format_first:1; /* PCM format must be set first */
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unsigned int cached_write:1; /* write only to caches */
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unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
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unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
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unsigned int power_save_node:1; /* advanced PM for each widget */
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unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */
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#ifdef CONFIG_PM
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unsigned long power_on_acct;
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unsigned long power_off_acct;
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unsigned long power_jiffies;
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#endif
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/* filter the requested power state per nid */
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unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
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unsigned int power_state);
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/* codec-specific additional proc output */
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void (*proc_widget_hook)(struct snd_info_buffer *buffer,
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struct hda_codec *codec, hda_nid_t nid);
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/* jack detection */
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struct snd_array jacktbl;
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unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
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struct delayed_work jackpoll_work;
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/* jack detection */
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struct snd_array jacks;
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int depop_delay; /* depop delay in ms, -1 for default delay time */
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/* fix-up list */
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int fixup_id;
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const struct hda_fixup *fixup_list;
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const char *fixup_name;
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/* additional init verbs */
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struct snd_array verbs;
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};
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#define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev)
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#define hda_codec_dev(_dev) (&(_dev)->core.dev)
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#define list_for_each_codec(c, bus) \
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list_for_each_entry(c, &(bus)->core.codec_list, core.list)
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/* snd_hda_codec_read/write optional flags */
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#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
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/*
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* constructors
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*/
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int snd_hda_bus_new(struct snd_card *card,
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const struct hdac_bus_ops *ops,
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const struct hdac_io_ops *io_ops,
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struct hda_bus **busp);
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int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card,
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unsigned int codec_addr, struct hda_codec **codecp);
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int snd_hda_codec_configure(struct hda_codec *codec);
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int snd_hda_codec_update_widgets(struct hda_codec *codec);
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/*
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* low level functions
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*/
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unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
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int flags,
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unsigned int verb, unsigned int parm);
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int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
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unsigned int verb, unsigned int parm);
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#define snd_hda_param_read(codec, nid, param) \
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snd_hdac_read_parm(&(codec)->core, nid, param)
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#define snd_hda_get_sub_nodes(codec, nid, start_nid) \
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snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid)
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int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid,
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hda_nid_t *conn_list, int max_conns);
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static inline int
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snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
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{
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return snd_hda_get_connections(codec, nid, NULL, 0);
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}
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#define snd_hda_get_raw_connections(codec, nid, list, max_conns) \
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snd_hdac_get_connections(&(codec)->core, nid, list, max_conns)
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#define snd_hda_get_num_raw_conns(codec, nid) \
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snd_hdac_get_connections(&(codec)->core, nid, NULL, 0);
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int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
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const hda_nid_t **listp);
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int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
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const hda_nid_t *list);
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int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
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hda_nid_t nid, int recursive);
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int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
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u8 *dev_list, int max_devices);
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struct hda_verb {
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hda_nid_t nid;
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u32 verb;
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u32 param;
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};
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void snd_hda_sequence_write(struct hda_codec *codec,
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const struct hda_verb *seq);
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/* unsolicited event */
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static inline void
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snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
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{
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snd_hdac_bus_queue_event(&bus->core, res, res_ex);
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}
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/* cached write */
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static inline int
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snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
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int flags, unsigned int verb, unsigned int parm)
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{
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return snd_hdac_regmap_write(&codec->core, nid, verb, parm);
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}
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#define snd_hda_codec_update_cache(codec, nid, flags, verb, parm) \
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snd_hda_codec_write_cache(codec, nid, flags, verb, parm)
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/* the struct for codec->pin_configs */
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struct hda_pincfg {
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hda_nid_t nid;
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unsigned char ctrl; /* original pin control value */
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unsigned char target; /* target pin control value */
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unsigned int cfg; /* default configuration */
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};
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unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
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int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
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unsigned int cfg);
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int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
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hda_nid_t nid, unsigned int cfg); /* for hwdep */
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void snd_hda_shutup_pins(struct hda_codec *codec);
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/* SPDIF controls */
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struct hda_spdif_out {
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hda_nid_t nid; /* Converter nid values relate to */
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unsigned int status; /* IEC958 status bits */
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unsigned short ctls; /* SPDIF control bits */
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};
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struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
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hda_nid_t nid);
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void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
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void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
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/*
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* Mixer
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*/
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int snd_hda_codec_build_controls(struct hda_codec *codec);
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/*
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* PCM
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*/
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int snd_hda_codec_parse_pcms(struct hda_codec *codec);
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int snd_hda_codec_build_pcms(struct hda_codec *codec);
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__printf(2, 3)
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struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec,
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const char *fmt, ...);
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static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm)
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{
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kref_get(&pcm->kref);
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}
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void snd_hda_codec_pcm_put(struct hda_pcm *pcm);
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int snd_hda_codec_prepare(struct hda_codec *codec,
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struct hda_pcm_stream *hinfo,
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unsigned int stream,
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unsigned int format,
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struct snd_pcm_substream *substream);
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void snd_hda_codec_cleanup(struct hda_codec *codec,
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struct hda_pcm_stream *hinfo,
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struct snd_pcm_substream *substream);
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void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
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u32 stream_tag,
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int channel_id, int format);
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void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid,
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int do_now);
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#define snd_hda_codec_cleanup_stream(codec, nid) \
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__snd_hda_codec_cleanup_stream(codec, nid, 0)
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#define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, bpsp) \
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snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, bpsp)
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#define snd_hda_is_supported_format(codec, nid, fmt) \
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snd_hdac_is_supported_format(&(codec)->core, nid, fmt)
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extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
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int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec,
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struct hda_pcm *cpcm);
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/*
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* Misc
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*/
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void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
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void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
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unsigned int power_state);
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int snd_hda_lock_devices(struct hda_bus *bus);
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void snd_hda_unlock_devices(struct hda_bus *bus);
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void snd_hda_bus_reset(struct hda_bus *bus);
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void snd_hda_bus_reset_codecs(struct hda_bus *bus);
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/*
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* power management
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*/
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extern const struct dev_pm_ops hda_codec_driver_pm;
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static inline
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int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
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{
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#ifdef CONFIG_PM
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if (codec->patch_ops.check_power_status)
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return codec->patch_ops.check_power_status(codec, nid);
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#endif
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return 0;
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}
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/*
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* power saving
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*/
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#define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core)
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#define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core)
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#define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core)
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#define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core)
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#ifdef CONFIG_PM
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void snd_hda_set_power_save(struct hda_bus *bus, int delay);
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void snd_hda_update_power_acct(struct hda_codec *codec);
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#else
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static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
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#endif
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#ifdef CONFIG_SND_HDA_PATCH_LOADER
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/*
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* patch firmware
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*/
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int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
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#endif
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#ifdef CONFIG_SND_HDA_DSP_LOADER
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int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
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unsigned int size,
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struct snd_dma_buffer *bufp);
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void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start);
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void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
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struct snd_dma_buffer *dmab);
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#else
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static inline int
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snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
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unsigned int size,
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struct snd_dma_buffer *bufp)
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{
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return -ENOSYS;
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}
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static inline void
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snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
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static inline void
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snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
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struct snd_dma_buffer *dmab) {}
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#endif
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#endif /* __SOUND_HDA_CODEC_H */
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