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Diffstat (limited to 'include/sound/hda_codec.h')
| -rw-r--r-- | include/sound/hda_codec.h | 540 |
1 files changed, 540 insertions, 0 deletions
diff --git a/include/sound/hda_codec.h b/include/sound/hda_codec.h new file mode 100644 index 0000000000..5497dc9c39 --- /dev/null +++ b/include/sound/hda_codec.h @@ -0,0 +1,540 @@ +/* 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_) */ + 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, bpsp) \ + snd_hdac_query_supported_pcm(&(codec)->core, nid, ratesp, fmtsp, 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 */ |