/* * Universal Interface for Intel High Definition Audio Codec * * Copyright (c) 2004 Takashi Iwai * * This program 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 program 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. */ #ifndef __SOUND_HDA_CODEC_H #define __SOUND_HDA_CODEC_H #include #include #include #include #include /* * generic arrays */ struct snd_array { unsigned int used; unsigned int alloced; unsigned int elem_size; unsigned int alloc_align; void *list; }; void *snd_array_new(struct snd_array *array); void snd_array_free(struct snd_array *array); static inline void snd_array_init(struct snd_array *array, unsigned int size, unsigned int align) { array->elem_size = size; array->alloc_align = align; } static inline void *snd_array_elem(struct snd_array *array, unsigned int idx) { return array->list + idx * array->elem_size; } static inline unsigned int snd_array_index(struct snd_array *array, void *ptr) { return (unsigned long)(ptr - array->list) / array->elem_size; } /* * Structures */ struct hda_bus; struct hda_beep; struct hda_codec; struct hda_pcm; struct hda_pcm_stream; /* NID type */ typedef u16 hda_nid_t; /* bus operators */ struct hda_bus_ops { /* send a single command */ int (*command)(struct hda_bus *bus, unsigned int cmd); /* get a response from the last command */ unsigned int (*get_response)(struct hda_bus *bus, unsigned int addr); /* free the private data */ void (*private_free)(struct hda_bus *); /* attach a PCM stream */ int (*attach_pcm)(struct hda_bus *bus, struct hda_codec *codec, struct hda_pcm *pcm); /* reset bus for retry verb */ void (*bus_reset)(struct hda_bus *bus); #ifdef CONFIG_PM /* notify power-up/down from codec to controller */ void (*pm_notify)(struct hda_bus *bus, bool power_up); #endif #ifdef CONFIG_SND_HDA_DSP_LOADER /* prepare DSP transfer */ int (*load_dsp_prepare)(struct hda_bus *bus, unsigned int format, unsigned int byte_size, struct snd_dma_buffer *bufp); /* start/stop DSP transfer */ void (*load_dsp_trigger)(struct hda_bus *bus, bool start); /* clean up DSP transfer */ void (*load_dsp_cleanup)(struct hda_bus *bus, struct snd_dma_buffer *dmab); #endif }; /* unsolicited event handler */ #define HDA_UNSOL_QUEUE_SIZE 64 struct hda_bus_unsolicited { /* ring buffer */ u32 queue[HDA_UNSOL_QUEUE_SIZE * 2]; unsigned int rp, wp; /* workqueue */ struct work_struct work; }; /* * 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 snd_card *card; void *private_data; struct pci_dev *pci; const char *modelname; int *power_save; struct hda_bus_ops ops; /* codec linked list */ struct list_head codec_list; unsigned int num_codecs; /* link caddr -> codec */ struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; struct mutex cmd_mutex; struct mutex prepare_mutex; /* unsolicited event queue */ struct hda_bus_unsolicited unsol; char workq_name[16]; struct workqueue_struct *workq; /* common workqueue for codecs */ /* 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 */ unsigned int sync_write:1; /* sync after verb write */ /* status for codec/controller */ unsigned int shutdown :1; /* being unloaded */ unsigned int rirb_error:1; /* error in codec communication */ unsigned int response_reset:1; /* controller was reset */ unsigned int in_reset:1; /* during reset operation */ unsigned int power_keep_link_on:1; /* don't power off HDA link */ unsigned int no_response_fallback:1; /* don't fallback at RIRB error */ int primary_dig_out_type; /* primary digital out PCM type */ }; /* * codec preset * * Known codecs have the patch to build and set up the controls/PCMs * better than the generic parser. */ struct hda_codec_preset { unsigned int id; unsigned int mask; unsigned int subs; unsigned int subs_mask; unsigned int rev; hda_nid_t afg, mfg; const char *name; int (*patch)(struct hda_codec *codec); }; #define HDA_CODEC_ID_GENERIC_HDMI 0x00000101 #define HDA_CODEC_ID_GENERIC 0x00000201 struct hda_codec_driver { struct device_driver driver; const struct hda_codec_preset *preset; }; 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); }; /* record for amp information cache */ struct hda_cache_head { u32 key:31; /* hash key */ u32 dirty:1; u16 val; /* assigned value */ u16 next; }; struct hda_amp_info { struct hda_cache_head head; u32 amp_caps; /* amp capabilities */ u16 vol[2]; /* current volume & mute */ }; struct hda_cache_rec { u16 hash[64]; /* hash table for index */ struct snd_array buf; /* record entries */ }; /* 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 }; /* 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 */ }; /* codec information */ struct hda_codec { struct device dev; struct hda_bus *bus; unsigned int addr; /* codec addr*/ struct list_head list; /* list point */ hda_nid_t afg; /* AFG node id */ hda_nid_t mfg; /* MFG node id */ /* ids */ u8 afg_function_id; u8 mfg_function_id; u8 afg_unsol; u8 mfg_unsol; u32 vendor_id; u32 subsystem_id; u32 revision_id; u32 probe_id; /* overridden id for probing */ /* detected preset */ const struct hda_codec_preset *preset; const char *vendor_name; /* codec vendor name */ const char *chip_name; /* codec chip name */ 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 */ unsigned int num_pcms; struct hda_pcm *pcm_info; /* codec specific info */ void *spec; /* beep device */ struct hda_beep *beep; unsigned int beep_mode; /* widget capabilities cache */ unsigned int num_nodes; hda_nid_t start_nid; u32 *wcaps; struct snd_array mixers; /* list of assigned mixer elements */ struct snd_array nids; /* list of mapped mixer elements */ struct hda_cache_rec amp_cache; /* cache for amp access */ struct hda_cache_rec cmd_cache; /* cache for other commands */ struct list_head conn_list; /* linked-list of connection-list */ struct mutex spdif_mutex; struct mutex control_mutex; struct mutex hash_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 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 epss:1; /* supporting EPSS? */ 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 */ #ifdef CONFIG_PM unsigned int power_on :1; /* current (global) power-state */ unsigned int d3_stop_clk:1; /* support D3 operation without BCLK */ unsigned int pm_up_notified:1; /* PM notified to controller */ unsigned int in_pm:1; /* suspend/resume being performed */ int power_transition; /* power-state in transition */ int power_count; /* current (global) power refcount */ struct delayed_work power_work; /* delayed task for powerdown */ unsigned long power_on_acct; unsigned long power_off_acct; unsigned long power_jiffies; spinlock_t power_lock; #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; #ifdef CONFIG_SND_HDA_INPUT_JACK /* jack detection */ struct snd_array jacks; #endif 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, dev) #define hda_codec_dev(_dev) (&(_dev)->dev) extern struct bus_type snd_hda_bus_type; /* direction */ enum { HDA_INPUT, HDA_OUTPUT }; /* snd_hda_codec_read/write optional flags */ #define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0) /* * constructors */ int snd_hda_bus_new(struct snd_card *card, struct hda_bus **busp); int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, struct hda_codec **codecp); int snd_hda_codec_configure(struct hda_codec *codec); int snd_hda_codec_update_widgets(struct hda_codec *codec); /* * low level functions */ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm); int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm); #define snd_hda_param_read(codec, nid, param) \ snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param) int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id); 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); } int snd_hda_get_num_raw_conns(struct hda_codec *codec, hda_nid_t nid); int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns); 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); int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid, u8 *dev_list, int max_devices); int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, u32 *ratesp, u64 *formatsp, unsigned int *bpsp); 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); /* unsolicited event */ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex); /* cached write */ int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm); void snd_hda_sequence_write_cache(struct hda_codec *codec, const struct hda_verb *seq); int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid, int flags, unsigned int verb, unsigned int parm); void snd_hda_codec_resume_cache(struct hda_codec *codec); /* both for cmd & amp caches */ void snd_hda_codec_flush_cache(struct hda_codec *codec); /* 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_build_controls(struct hda_bus *bus); int snd_hda_codec_build_controls(struct hda_codec *codec); /* * PCM */ int snd_hda_build_pcms(struct hda_bus *bus); int snd_hda_codec_build_pcms(struct hda_codec *codec); 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) unsigned int snd_hda_calc_stream_format(struct hda_codec *codec, unsigned int rate, unsigned int channels, unsigned int format, unsigned int maxbps, unsigned short spdif_ctls); int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, unsigned int format); extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[]; /* * Misc */ void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); void snd_hda_bus_reboot_notify(struct hda_bus *bus); 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); /* * 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; } /* * get widget information */ const char *snd_hda_get_jack_connectivity(u32 cfg); const char *snd_hda_get_jack_type(u32 cfg); const char *snd_hda_get_jack_location(u32 cfg); /* * power saving */ #ifdef CONFIG_PM void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait); void snd_hda_update_power_acct(struct hda_codec *codec); #else static inline void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait) {} #endif /** * snd_hda_power_up - Power-up the codec * @codec: HD-audio codec * * Increment the power-up counter and power up the hardware really when * not turned on yet. */ static inline void snd_hda_power_up(struct hda_codec *codec) { snd_hda_power_save(codec, 1, false); } /** * snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending * D3 transition to complete. This differs from snd_hda_power_up() when * power_transition == -1. snd_hda_power_up sees this case as a nop, * snd_hda_power_up_d3wait waits for the D3 transition to complete then powers * back up. * @codec: HD-audio codec * * Cancel any power down operation hapenning on the work queue, then power up. */ static inline void snd_hda_power_up_d3wait(struct hda_codec *codec) { snd_hda_power_save(codec, 1, true); } /** * snd_hda_power_down - Power-down the codec * @codec: HD-audio codec * * Decrement the power-up counter and schedules the power-off work if * the counter rearches to zero. */ static inline void snd_hda_power_down(struct hda_codec *codec) { snd_hda_power_save(codec, -1, false); } /** * snd_hda_power_sync - Synchronize the power-save status * @codec: HD-audio codec * * Synchronize the actual power state with the power account; * called when power_save parameter is changed */ static inline void snd_hda_power_sync(struct hda_codec *codec) { snd_hda_power_save(codec, 0, false); } #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 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 codec->bus->ops.load_dsp_prepare(codec->bus, format, size, bufp); } static inline void snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) { return codec->bus->ops.load_dsp_trigger(codec->bus, start); } static inline void snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec, struct snd_dma_buffer *dmab) { return codec->bus->ops.load_dsp_cleanup(codec->bus, 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 */