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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Universal Interface for Intel High Definition Audio Codec
*
* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
*/
#ifndef __SOUND_HDA_CODEC_H
#define __SOUND_HDA_CODEC_H
#include <linux/kref.h>
#include <linux/mod_devicetable.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/pcm.h>
#include <sound/hwdep.h>
#include <sound/hdaudio.h>
#include <sound/hda_verbs.h>
#include <sound/hda_regmap.h>
#define IS_BXT(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0x5a98)
#define IS_CFL(pci) ((pci)->vendor == 0x8086 && (pci)->device == 0xa348)
/*
* Structures
*/
struct hda_bus;
struct hda_beep;
struct hda_codec;
struct hda_pcm;
struct hda_pcm_stream;
/*
* codec bus
*
* each controller needs to creata a hda_bus to assign the accessor.
* A hda_bus contains several codecs in the list codec_list.
*/
struct hda_bus {
struct hdac_bus core;
struct snd_card *card;
struct pci_dev *pci;
const char *modelname;
struct mutex prepare_mutex;
/* assigned PCMs */
DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
/* misc op flags */
unsigned int needs_damn_long_delay :1;
unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
/* status for codec/controller */
unsigned int shutdown :1; /* being unloaded */
unsigned int response_reset:1; /* controller was reset */
unsigned int in_reset:1; /* during reset operation */
unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
unsigned int bus_probing :1; /* during probing process */
unsigned int keep_power:1; /* keep power up for notification */
int primary_dig_out_type; /* primary digital out PCM type */
unsigned int mixer_assigned; /* codec addr for mixer name */
};
/* from hdac_bus to hda_bus */
#define to_hda_bus(bus) container_of(bus, struct hda_bus, core)
/*
* codec preset
*
* Known codecs have the patch to build and set up the controls/PCMs
* better than the generic parser.
*/
typedef int (*hda_codec_patch_t)(struct hda_codec *);
#define HDA_CODEC_ID_SKIP_PROBE 0x00000001
#define HDA_CODEC_ID_GENERIC_HDMI 0x00000101
#define HDA_CODEC_ID_GENERIC 0x00000201
#define HDA_CODEC_REV_ENTRY(_vid, _rev, _name, _patch) \
{ .vendor_id = (_vid), .rev_id = (_rev), .name = (_name), \
.api_version = HDA_DEV_LEGACY, \
.driver_data = (unsigned long)(_patch) }
#define HDA_CODEC_ENTRY(_vid, _name, _patch) \
HDA_CODEC_REV_ENTRY(_vid, 0, _name, _patch)
struct hda_codec_driver {
struct hdac_driver core;
const struct hda_device_id *id;
};
int __hda_codec_driver_register(struct hda_codec_driver *drv, const char *name,
struct module *owner);
#define hda_codec_driver_register(drv) \
__hda_codec_driver_register(drv, KBUILD_MODNAME, THIS_MODULE)
void hda_codec_driver_unregister(struct hda_codec_driver *drv);
#define module_hda_codec_driver(drv) \
module_driver(drv, hda_codec_driver_register, \
hda_codec_driver_unregister)
/* ops set by the preset patch */
struct hda_codec_ops {
int (*build_controls)(struct hda_codec *codec);
int (*build_pcms)(struct hda_codec *codec);
int (*init)(struct hda_codec *codec);
void (*free)(struct hda_codec *codec);
void (*unsol_event)(struct hda_codec *codec, unsigned int res);
void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state);
#ifdef CONFIG_PM
int (*suspend)(struct hda_codec *codec);
int (*resume)(struct hda_codec *codec);
int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
#endif
void (*reboot_notify)(struct hda_codec *codec);
void (*stream_pm)(struct hda_codec *codec, hda_nid_t nid, bool on);
};
/* PCM callbacks */
struct hda_pcm_ops {
int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
struct snd_pcm_substream *substream);
int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
struct snd_pcm_substream *substream);
int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
unsigned int stream_tag, unsigned int format,
struct snd_pcm_substream *substream);
int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
struct snd_pcm_substream *substream);
unsigned int (*get_delay)(struct hda_pcm_stream *info,
struct hda_codec *codec,
struct snd_pcm_substream *substream);
};
/* PCM information for each substream */
struct hda_pcm_stream {
unsigned int substreams; /* number of substreams, 0 = not exist*/
unsigned int channels_min; /* min. number of channels */
unsigned int channels_max; /* max. number of channels */
hda_nid_t nid; /* default NID to query rates/formats/bps, or set up */
u32 rates; /* supported rates */
u64 formats; /* supported formats (SNDRV_PCM_FMTBIT_) */
unsigned int maxbps; /* supported max. bit per sample */
const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
struct hda_pcm_ops ops;
};
/* PCM types */
enum {
HDA_PCM_TYPE_AUDIO,
HDA_PCM_TYPE_SPDIF,
HDA_PCM_TYPE_HDMI,
HDA_PCM_TYPE_MODEM,
HDA_PCM_NTYPES
};
#define SNDRV_PCM_INVALID_DEVICE (-1)
/* for PCM creation */
struct hda_pcm {
char *name;
struct hda_pcm_stream stream[2];
unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
int device; /* device number to assign */
struct snd_pcm *pcm; /* assigned PCM instance */
bool own_chmap; /* codec driver provides own channel maps */
/* private: */
struct hda_codec *codec;
struct kref kref;
struct list_head list;
};
/* codec information */
struct hda_codec {
struct hdac_device core;
struct hda_bus *bus;
struct snd_card *card;
unsigned int addr; /* codec addr*/
u32 probe_id; /* overridden id for probing */
/* detected preset */
const struct hda_device_id *preset;
const char *modelname; /* model name for preset */
/* set by patch */
struct hda_codec_ops patch_ops;
/* PCM to create, set by patch_ops.build_pcms callback */
struct list_head pcm_list_head;
/* codec specific info */
void *spec;
/* beep device */
struct hda_beep *beep;
unsigned int beep_mode;
/* widget capabilities cache */
u32 *wcaps;
struct snd_array mixers; /* list of assigned mixer elements */
struct snd_array nids; /* list of mapped mixer elements */
struct list_head conn_list; /* linked-list of connection-list */
struct mutex spdif_mutex;
struct mutex control_mutex;
struct snd_array spdif_out;
unsigned int spdif_in_enable; /* SPDIF input enable? */
const hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
struct snd_array init_pins; /* initial (BIOS) pin configurations */
struct snd_array driver_pins; /* pin configs set by codec parser */
struct snd_array cvt_setups; /* audio convert setups */
struct mutex user_mutex;
#ifdef CONFIG_SND_HDA_RECONFIG
struct snd_array init_verbs; /* additional init verbs */
struct snd_array hints; /* additional hints */
struct snd_array user_pins; /* default pin configs to override */
#endif
#ifdef CONFIG_SND_HDA_HWDEP
struct snd_hwdep *hwdep; /* assigned hwdep device */
#endif
/* misc flags */
unsigned int in_freeing:1; /* being released */
unsigned int registered:1; /* codec was registered */
unsigned int display_power_control:1; /* needs display power */
unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
* status change
* (e.g. Realtek codecs)
*/
unsigned int pin_amp_workaround:1; /* pin out-amp takes index
* (e.g. Conexant codecs)
*/
unsigned int single_adc_amp:1; /* adc in-amp takes no index
* (e.g. CX20549 codec)
*/
unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
unsigned int pins_shutup:1; /* pins are shut up */
unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
unsigned int no_jack_detect:1; /* Machine has no jack-detection */
unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
unsigned int pcm_format_first:1; /* PCM format must be set first */
unsigned int cached_write:1; /* write only to caches */
unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
unsigned int dump_coef:1; /* dump processing coefs in codec proc file */
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