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hda_codec.h
/* 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/refcount.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> /* * 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 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 */ unsigned int jackpoll_in_suspend:1; /* keep jack polling during * runtime suspend */ 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 (*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_) */ u32 subformats; /* for S32_LE format, SNDRV_PCM_SUBFMTBIT_* */ 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 list_head list; unsigned int disconnected:1; }; /* 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; refcount_t pcm_ref; wait_queue_head_t remove_sleep; /* 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 *follower_dig_outs; /* optional digital out follower 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 configured:1; /* codec was configured */ unsigned int in_freeing:1; /* being released */ 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 */ unsigned int power_save_node:1; /* advanced PM for each widget */ unsigned int auto_runtime_pm:1; /* enable automatic codec runtime pm */ unsigned int force_pin_prefix:1; /* Add location prefix */ unsigned int link_down_at_suspend:1; /* link down at runtime suspend */ unsigned int relaxed_resume:1; /* don't resume forcibly for jack */ unsigned int forced_resume:1; /* forced resume for jack */ unsigned int no_stream_clean_at_suspend:1; /* do not clean streams at suspend */ unsigned int ctl_dev_id:1; /* old control element id build behaviour */ #ifdef CONFIG_PM unsigned long power_on_acct; unsigned long power_off_acct; unsigned long power_jiffies; #endif /* filter the requested power state per nid */ unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid, unsigned int power_state); /* codec-specific additional proc output */ void (*proc_widget_hook)(struct snd_info_buffer *buffer, struct hda_codec *codec, hda_nid_t nid); /* jack detection */ struct snd_array jacktbl; unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */ struct delayed_work jackpoll_work; int depop_delay; /* depop delay in ms, -1 for default delay time */ /* fix-up list */ int fixup_id; const struct hda_fixup *fixup_list; const char *fixup_name; /* additional init verbs */ struct snd_array verbs; }; #define dev_to_hda_codec(_dev) container_of(_dev, struct hda_codec, core.dev) #define hda_codec_dev(_dev) (&(_dev)->core.dev) #define hdac_to_hda_codec(_hdac) container_of(_hdac, struct hda_codec, core) #define list_for_each_codec(c, bus) \ list_for_each_entry(c, &(bus)->core.codec_list, core.list) #define list_for_each_codec_safe(c, n, bus) \ list_for_each_entry_safe(c, n, &(bus)->core.codec_list, core.list) /* snd_hda_codec_read/write optional flags */ #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) /* * constructors */ __printf(3, 4) struct hda_codec * snd_hda_codec_device_init(struct hda_bus *bus, unsigned int codec_addr, const char *fmt, ...); int snd_hda_codec_new(struct hda_bus *bus, struct snd_card *card, unsigned int codec_addr, struct hda_codec **codecp); int snd_hda_codec_device_new(struct hda_bus *bus, struct snd_card *card, unsigned int codec_addr, struct hda_codec *codec, bool snddev_managed); int snd_hda_codec_configure(struct hda_codec *codec); int snd_hda_codec_update_widgets(struct hda_codec *codec); void snd_hda_codec_register(struct hda_codec *codec); void snd_hda_codec_unregister(struct hda_codec *codec); void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); /* * low level functions */ static inline unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm) { return snd_hdac_codec_read(&codec->core, nid, flags, verb, parm); } static inline int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm) { return snd_hdac_codec_write(&codec->core, nid, flags, verb, parm); } #define snd_hda_param_read(codec, nid, param) \ snd_hdac_read_parm(&(codec)->core, nid, param) #define snd_hda_get_sub_nodes(codec, nid, start_nid) \ snd_hdac_get_sub_nodes(&(codec)->core, nid, start_nid) int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns); static inline int snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid) { return snd_hda_get_connections(codec, nid, NULL, 0); } #define snd_hda_get_raw_connections(codec, nid, list, max_conns) \ snd_hdac_get_connections(&(codec)->core, nid, list, max_conns) #define snd_hda_get_num_raw_conns(codec, nid) \ snd_hdac_get_connections(&(codec)->core, nid, NULL, 0) int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid, const hda_nid_t **listp); int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums, const hda_nid_t *list); int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, hda_nid_t nid, int recursive); unsigned int snd_hda_get_num_devices(struct hda_codec *codec, hda_nid_t nid); int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, u8 *dev_list, int max_devices); int snd_hda_get_dev_select(struct hda_codec *codec, hda_nid_t nid); int snd_hda_set_dev_select(struct hda_codec *codec, hda_nid_t nid, int dev_id); struct hda_verb { hda_nid_t nid; u32 verb; u32 param; }; void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq); /* cached write */ static inline int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm) { return snd_hdac_regmap_write(&codec->core, nid, verb, parm); } /* the struct for codec->pin_configs */ struct hda_pincfg { hda_nid_t nid; unsigned char ctrl; /* original pin control value */ unsigned char target; /* target pin control value */ unsigned int cfg; /* default configuration */ }; unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid); int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid, unsigned int cfg); int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list, hda_nid_t nid, unsigned int cfg); /* for hwdep */ void snd_hda_shutup_pins(struct hda_codec *codec); /* SPDIF controls */ struct hda_spdif_out { hda_nid_t nid; /* Converter nid values relate to */ unsigned int status; /* IEC958 status bits */ unsigned short ctls; /* SPDIF control bits */ }; struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec, hda_nid_t nid); void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx); void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid); /* * Mixer */ int snd_hda_codec_build_controls(struct hda_codec *codec); /* * PCM */ int snd_hda_codec_parse_pcms(struct hda_codec *codec); int snd_hda_codec_build_pcms(struct hda_codec *codec); __printf(2, 3) struct hda_pcm *snd_hda_codec_pcm_new(struct hda_codec *codec, const char *fmt, ...); void snd_hda_codec_cleanup_for_unbind(struct hda_codec *codec); static inline void snd_hda_codec_pcm_get(struct hda_pcm *pcm) { refcount_inc(&pcm->codec->pcm_ref); } void snd_hda_codec_pcm_put(struct hda_pcm *pcm); int snd_hda_codec_prepare(struct hda_codec *codec, struct hda_pcm_stream *hinfo, unsigned int stream, unsigned int format, struct snd_pcm_substream *substream); void snd_hda_codec_cleanup(struct hda_codec *codec, struct hda_pcm_stream *hinfo, struct snd_pcm_substream *substream); void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int channel_id, int format); void __snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid, int do_now); #define snd_hda_codec_cleanup_stream(codec, nid) \ __snd_hda_codec_cleanup_stream(codec, nid, 0) #define snd_hda_query_supported_pcm(codec, nid, ratesp, fmtsp, subfmtp, bpsp) \ snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, subfmtp, bpsp) #define snd_hda_is_supported_format(codec, nid, fmt) \ snd_hdac_is_supported_format(&(codec)->core, nid, fmt) extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; int snd_hda_attach_pcm_stream(struct hda_bus *_bus, struct hda_codec *codec, struct hda_pcm *cpcm); /* * Misc */ void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg, unsigned int power_state); int snd_hda_lock_devices(struct hda_bus *bus); void snd_hda_unlock_devices(struct hda_bus *bus); void snd_hda_bus_reset(struct hda_bus *bus); void snd_hda_bus_reset_codecs(struct hda_bus *bus); int snd_hda_codec_set_name(struct hda_codec *codec, const char *name); /* * power management */ extern const struct dev_pm_ops hda_codec_driver_pm; static inline int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid) { #ifdef CONFIG_PM if (codec->patch_ops.check_power_status) return codec->patch_ops.check_power_status(codec, nid); #endif return 0; } /* * power saving */ #define snd_hda_power_up(codec) snd_hdac_power_up(&(codec)->core) #define snd_hda_power_up_pm(codec) snd_hdac_power_up_pm(&(codec)->core) #define snd_hda_power_down(codec) snd_hdac_power_down(&(codec)->core) #define snd_hda_power_down_pm(codec) snd_hdac_power_down_pm(&(codec)->core) #ifdef CONFIG_PM void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay); void snd_hda_set_power_save(struct hda_bus *bus, int delay); void snd_hda_update_power_acct(struct hda_codec *codec); #else static inline void snd_hda_codec_set_power_save(struct hda_codec *codec, int delay) {} static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {} #endif static inline bool hda_codec_need_resume(struct hda_codec *codec) { return !codec->relaxed_resume && codec->jacktbl.used; } #ifdef CONFIG_SND_HDA_PATCH_LOADER /* * patch firmware */ int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf); #endif #ifdef CONFIG_SND_HDA_DSP_LOADER int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, unsigned int size, struct snd_dma_buffer *bufp); void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start); void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, struct snd_dma_buffer *dmab); #else static inline int snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format, unsigned int size, struct snd_dma_buffer *bufp) { return -ENOSYS; } static inline void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {} static inline void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, struct snd_dma_buffer *dmab) {} #endif #endif /* __SOUND_HDA_CODEC_H */
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