/* * 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 #if defined(CONFIG_PM) || defined(CONFIG_SND_HDA_POWER_SAVE) #define SND_HDA_NEEDS_RESUME /* resume control code is required */ #endif /* * nodes */ #define AC_NODE_ROOT 0x00 /* * function group types */ enum { AC_GRP_AUDIO_FUNCTION = 0x01, AC_GRP_MODEM_FUNCTION = 0x02, }; /* * widget types */ enum { AC_WID_AUD_OUT, /* Audio Out */ AC_WID_AUD_IN, /* Audio In */ AC_WID_AUD_MIX, /* Audio Mixer */ AC_WID_AUD_SEL, /* Audio Selector */ AC_WID_PIN, /* Pin Complex */ AC_WID_POWER, /* Power */ AC_WID_VOL_KNB, /* Volume Knob */ AC_WID_BEEP, /* Beep Generator */ AC_WID_VENDOR = 0x0f /* Vendor specific */ }; /* * GET verbs */ #define AC_VERB_GET_STREAM_FORMAT 0x0a00 #define AC_VERB_GET_AMP_GAIN_MUTE 0x0b00 #define AC_VERB_GET_PROC_COEF 0x0c00 #define AC_VERB_GET_COEF_INDEX 0x0d00 #define AC_VERB_PARAMETERS 0x0f00 #define AC_VERB_GET_CONNECT_SEL 0x0f01 #define AC_VERB_GET_CONNECT_LIST 0x0f02 #define AC_VERB_GET_PROC_STATE 0x0f03 #define AC_VERB_GET_SDI_SELECT 0x0f04 #define AC_VERB_GET_POWER_STATE 0x0f05 #define AC_VERB_GET_CONV 0x0f06 #define AC_VERB_GET_PIN_WIDGET_CONTROL 0x0f07 #define AC_VERB_GET_UNSOLICITED_RESPONSE 0x0f08 #define AC_VERB_GET_PIN_SENSE 0x0f09 #define AC_VERB_GET_BEEP_CONTROL 0x0f0a #define AC_VERB_GET_EAPD_BTLENABLE 0x0f0c #define AC_VERB_GET_DIGI_CONVERT_1 0x0f0d #define AC_VERB_GET_DIGI_CONVERT_2 0x0f0e #define AC_VERB_GET_VOLUME_KNOB_CONTROL 0x0f0f /* f10-f1a: GPIO */ #define AC_VERB_GET_GPIO_DATA 0x0f15 #define AC_VERB_GET_GPIO_MASK 0x0f16 #define AC_VERB_GET_GPIO_DIRECTION 0x0f17 #define AC_VERB_GET_GPIO_WAKE_MASK 0x0f18 #define AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK 0x0f19 #define AC_VERB_GET_GPIO_STICKY_MASK 0x0f1a #define AC_VERB_GET_CONFIG_DEFAULT 0x0f1c /* f20: AFG/MFG */ #define AC_VERB_GET_SUBSYSTEM_ID 0x0f20 /* * SET verbs */ #define AC_VERB_SET_STREAM_FORMAT 0x200 #define AC_VERB_SET_AMP_GAIN_MUTE 0x300 #define AC_VERB_SET_PROC_COEF 0x400 #define AC_VERB_SET_COEF_INDEX 0x500 #define AC_VERB_SET_CONNECT_SEL 0x701 #define AC_VERB_SET_PROC_STATE 0x703 #define AC_VERB_SET_SDI_SELECT 0x704 #define AC_VERB_SET_POWER_STATE 0x705 #define AC_VERB_SET_CHANNEL_STREAMID 0x706 #define AC_VERB_SET_PIN_WIDGET_CONTROL 0x707 #define AC_VERB_SET_UNSOLICITED_ENABLE 0x708 #define AC_VERB_SET_PIN_SENSE 0x709 #define AC_VERB_SET_BEEP_CONTROL 0x70a #define AC_VERB_SET_EAPD_BTLENABLE 0x70c #define AC_VERB_SET_DIGI_CONVERT_1 0x70d #define AC_VERB_SET_DIGI_CONVERT_2 0x70e #define AC_VERB_SET_VOLUME_KNOB_CONTROL 0x70f #define AC_VERB_SET_GPIO_DATA 0x715 #define AC_VERB_SET_GPIO_MASK 0x716 #define AC_VERB_SET_GPIO_DIRECTION 0x717 #define AC_VERB_SET_GPIO_WAKE_MASK 0x718 #define AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK 0x719 #define AC_VERB_SET_GPIO_STICKY_MASK 0x71a #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0 0x71c #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1 0x71d #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2 0x71e #define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3 0x71f #define AC_VERB_SET_CODEC_RESET 0x7ff /* * Parameter IDs */ #define AC_PAR_VENDOR_ID 0x00 #define AC_PAR_SUBSYSTEM_ID 0x01 #define AC_PAR_REV_ID 0x02 #define AC_PAR_NODE_COUNT 0x04 #define AC_PAR_FUNCTION_TYPE 0x05 #define AC_PAR_AUDIO_FG_CAP 0x08 #define AC_PAR_AUDIO_WIDGET_CAP 0x09 #define AC_PAR_PCM 0x0a #define AC_PAR_STREAM 0x0b #define AC_PAR_PIN_CAP 0x0c #define AC_PAR_AMP_IN_CAP 0x0d #define AC_PAR_CONNLIST_LEN 0x0e #define AC_PAR_POWER_STATE 0x0f #define AC_PAR_PROC_CAP 0x10 #define AC_PAR_GPIO_CAP 0x11 #define AC_PAR_AMP_OUT_CAP 0x12 #define AC_PAR_VOL_KNB_CAP 0x13 /* * AC_VERB_PARAMETERS results (32bit) */ /* Function Group Type */ #define AC_FGT_TYPE (0xff<<0) #define AC_FGT_TYPE_SHIFT 0 #define AC_FGT_UNSOL_CAP (1<<8) /* Audio Function Group Capabilities */ #define AC_AFG_OUT_DELAY (0xf<<0) #define AC_AFG_IN_DELAY (0xf<<8) #define AC_AFG_BEEP_GEN (1<<16) /* Audio Widget Capabilities */ #define AC_WCAP_STEREO (1<<0) /* stereo I/O */ #define AC_WCAP_IN_AMP (1<<1) /* AMP-in present */ #define AC_WCAP_OUT_AMP (1<<2) /* AMP-out present */ #define AC_WCAP_AMP_OVRD (1<<3) /* AMP-parameter override */ #define AC_WCAP_FORMAT_OVRD (1<<4) /* format override */ #define AC_WCAP_STRIPE (1<<5) /* stripe */ #define AC_WCAP_PROC_WID (1<<6) /* Proc Widget */ #define AC_WCAP_UNSOL_CAP (1<<7) /* Unsol capable */ #define AC_WCAP_CONN_LIST (1<<8) /* connection list */ #define AC_WCAP_DIGITAL (1<<9) /* digital I/O */ #define AC_WCAP_POWER (1<<10) /* power control */ #define AC_WCAP_LR_SWAP (1<<11) /* L/R swap */ #define AC_WCAP_DELAY (0xf<<16) #define AC_WCAP_DELAY_SHIFT 16 #define AC_WCAP_TYPE (0xf<<20) #define AC_WCAP_TYPE_SHIFT 20 /* supported PCM rates and bits */ #define AC_SUPPCM_RATES (0xfff << 0) #define AC_SUPPCM_BITS_8 (1<<16) #define AC_SUPPCM_BITS_16 (1<<17) #define AC_SUPPCM_BITS_20 (1<<18) #define AC_SUPPCM_BITS_24 (1<<19) #define AC_SUPPCM_BITS_32 (1<<20) /* supported PCM stream format */ #define AC_SUPFMT_PCM (1<<0) #define AC_SUPFMT_FLOAT32 (1<<1) #define AC_SUPFMT_AC3 (1<<2) /* GP I/O count */ #define AC_GPIO_IO_COUNT (0xff<<0) #define AC_GPIO_O_COUNT (0xff<<8) #define AC_GPIO_O_COUNT_SHIFT 8 #define AC_GPIO_I_COUNT (0xff<<16) #define AC_GPIO_I_COUNT_SHIFT 16 #define AC_GPIO_UNSOLICITED (1<<30) #define AC_GPIO_WAKE (1<<31) /* Converter stream, channel */ #define AC_CONV_CHANNEL (0xf<<0) #define AC_CONV_STREAM (0xf<<4) #define AC_CONV_STREAM_SHIFT 4 /* Input converter SDI select */ #define AC_SDI_SELECT (0xf<<0) /* Unsolicited response */ #define AC_UNSOL_TAG (0x3f<<0) #define AC_UNSOL_ENABLED (1<<7) /* Pin widget capabilies */ #define AC_PINCAP_IMP_SENSE (1<<0) /* impedance sense capable */ #define AC_PINCAP_TRIG_REQ (1<<1) /* trigger required */ #define AC_PINCAP_PRES_DETECT (1<<2) /* presence detect capable */ #define AC_PINCAP_HP_DRV (1<<3) /* headphone drive capable */ #define AC_PINCAP_OUT (1<<4) /* output capable */ #define AC_PINCAP_IN (1<<5) /* input capable */ #define AC_PINCAP_BALANCE (1<<6) /* balanced I/O capable */ /* Note: This LR_SWAP pincap is defined in the Realtek ALC883 specification, * but is marked reserved in the Intel HDA specification. */ #define AC_PINCAP_LR_SWAP (1<<7) /* L/R swap */ #define AC_PINCAP_VREF (0x37<<8) #define AC_PINCAP_VREF_SHIFT 8 #define AC_PINCAP_EAPD (1<<16) /* EAPD capable */ /* Vref status (used in pin cap) */ #define AC_PINCAP_VREF_HIZ (1<<0) /* Hi-Z */ #define AC_PINCAP_VREF_50 (1<<1) /* 50% */ #define AC_PINCAP_VREF_GRD (1<<2) /* ground */ #define AC_PINCAP_VREF_80 (1<<4) /* 80% */ #define AC_PINCAP_VREF_100 (1<<5) /* 100% */ /* Amplifier capabilities */ #define AC_AMPCAP_OFFSET (0x7f<<0) /* 0dB offset */ #define AC_AMPCAP_OFFSET_SHIFT 0 #define AC_AMPCAP_NUM_STEPS (0x7f<<8) /* number of steps */ #define AC_AMPCAP_NUM_STEPS_SHIFT 8 #define AC_AMPCAP_STEP_SIZE (0x7f<<16) /* step size 0-32dB * in 0.25dB */ #define AC_AMPCAP_STEP_SIZE_SHIFT 16 #define AC_AMPCAP_MUTE (1<<31) /* mute capable */ #define AC_AMPCAP_MUTE_SHIFT 31 /* Connection list */ #define AC_CLIST_LENGTH (0x7f<<0) #define AC_CLIST_LONG (1<<7) /* Supported power status */ #define AC_PWRST_D0SUP (1<<0) #define AC_PWRST_D1SUP (1<<1) #define AC_PWRST_D2SUP (1<<2) #define AC_PWRST_D3SUP (1<<3) /* Power state values */ #define AC_PWRST_SETTING (0xf<<0) #define AC_PWRST_ACTUAL (0xf<<4) #define AC_PWRST_ACTUAL_SHIFT 4 #define AC_PWRST_D0 0x00 #define AC_PWRST_D1 0x01 #define AC_PWRST_D2 0x02 #define AC_PWRST_D3 0x03 /* Processing capabilies */ #define AC_PCAP_BENIGN (1<<0) #define AC_PCAP_NUM_COEF (0xff<<8) #define AC_PCAP_NUM_COEF_SHIFT 8 /* Volume knobs capabilities */ #define AC_KNBCAP_NUM_STEPS (0x7f<<0) #define AC_KNBCAP_DELTA (1<<7) /* * Control Parameters */ /* Amp gain/mute */ #define AC_AMP_MUTE (1<<7) #define AC_AMP_GAIN (0x7f) #define AC_AMP_GET_INDEX (0xf<<0) #define AC_AMP_GET_LEFT (1<<13) #define AC_AMP_GET_RIGHT (0<<13) #define AC_AMP_GET_OUTPUT (1<<15) #define AC_AMP_GET_INPUT (0<<15) #define AC_AMP_SET_INDEX (0xf<<8) #define AC_AMP_SET_INDEX_SHIFT 8 #define AC_AMP_SET_RIGHT (1<<12) #define AC_AMP_SET_LEFT (1<<13) #define AC_AMP_SET_INPUT (1<<14) #define AC_AMP_SET_OUTPUT (1<<15) /* DIGITAL1 bits */ #define AC_DIG1_ENABLE (1<<0) #define AC_DIG1_V (1<<1) #define AC_DIG1_VCFG (1<<2) #define AC_DIG1_EMPHASIS (1<<3) #define AC_DIG1_COPYRIGHT (1<<4) #define AC_DIG1_NONAUDIO (1<<5) #define AC_DIG1_PROFESSIONAL (1<<6) #define AC_DIG1_LEVEL (1<<7) /* DIGITAL2 bits */ #define AC_DIG2_CC (0x7f<<0) /* Pin widget control - 8bit */ #define AC_PINCTL_VREFEN (0x7<<0) #define AC_PINCTL_VREF_HIZ 0 /* Hi-Z */ #define AC_PINCTL_VREF_50 1 /* 50% */ #define AC_PINCTL_VREF_GRD 2 /* ground */ #define AC_PINCTL_VREF_80 4 /* 80% */ #define AC_PINCTL_VREF_100 5 /* 100% */ #define AC_PINCTL_IN_EN (1<<5) #define AC_PINCTL_OUT_EN (1<<6) #define AC_PINCTL_HP_EN (1<<7) /* Unsolicited response - 8bit */ #define AC_USRSP_EN (1<<7) /* Pin sense - 32bit */ #define AC_PINSENSE_IMPEDANCE_MASK (0x7fffffff) #define AC_PINSENSE_PRESENCE (1<<31) /* EAPD/BTL enable - 32bit */ #define AC_EAPDBTL_BALANCED (1<<0) #define AC_EAPDBTL_EAPD (1<<1) #define AC_EAPDBTL_LR_SWAP (1<<2) /* configuration default - 32bit */ #define AC_DEFCFG_SEQUENCE (0xf<<0) #define AC_DEFCFG_DEF_ASSOC (0xf<<4) #define AC_DEFCFG_ASSOC_SHIFT 4 #define AC_DEFCFG_MISC (0xf<<8) #define AC_DEFCFG_MISC_SHIFT 8 #define AC_DEFCFG_MISC_NO_PRESENCE (1<<0) #define AC_DEFCFG_COLOR (0xf<<12) #define AC_DEFCFG_COLOR_SHIFT 12 #define AC_DEFCFG_CONN_TYPE (0xf<<16) #define AC_DEFCFG_CONN_TYPE_SHIFT 16 #define AC_DEFCFG_DEVICE (0xf<<20) #define AC_DEFCFG_DEVICE_SHIFT 20 #define AC_DEFCFG_LOCATION (0x3f<<24) #define AC_DEFCFG_LOCATION_SHIFT 24 #define AC_DEFCFG_PORT_CONN (0x3<<30) #define AC_DEFCFG_PORT_CONN_SHIFT 30 /* device device types (0x0-0xf) */ enum { AC_JACK_LINE_OUT, AC_JACK_SPEAKER, AC_JACK_HP_OUT, AC_JACK_CD, AC_JACK_SPDIF_OUT, AC_JACK_DIG_OTHER_OUT, AC_JACK_MODEM_LINE_SIDE, AC_JACK_MODEM_HAND_SIDE, AC_JACK_LINE_IN, AC_JACK_AUX, AC_JACK_MIC_IN, AC_JACK_TELEPHONY, AC_JACK_SPDIF_IN, AC_JACK_DIG_OTHER_IN, AC_JACK_OTHER = 0xf, }; /* jack connection types (0x0-0xf) */ enum { AC_JACK_CONN_UNKNOWN, AC_JACK_CONN_1_8, AC_JACK_CONN_1_4, AC_JACK_CONN_ATAPI, AC_JACK_CONN_RCA, AC_JACK_CONN_OPTICAL, AC_JACK_CONN_OTHER_DIGITAL, AC_JACK_CONN_OTHER_ANALOG, AC_JACK_CONN_DIN, AC_JACK_CONN_XLR, AC_JACK_CONN_RJ11, AC_JACK_CONN_COMB, AC_JACK_CONN_OTHER = 0xf, }; /* jack colors (0x0-0xf) */ enum { AC_JACK_COLOR_UNKNOWN, AC_JACK_COLOR_BLACK, AC_JACK_COLOR_GREY, AC_JACK_COLOR_BLUE, AC_JACK_COLOR_GREEN, AC_JACK_COLOR_RED, AC_JACK_COLOR_ORANGE, AC_JACK_COLOR_YELLOW, AC_JACK_COLOR_PURPLE, AC_JACK_COLOR_PINK, AC_JACK_COLOR_WHITE = 0xe, AC_JACK_COLOR_OTHER, }; /* Jack location (0x0-0x3f) */ /* common case */ enum { AC_JACK_LOC_NONE, AC_JACK_LOC_REAR, AC_JACK_LOC_FRONT, AC_JACK_LOC_LEFT, AC_JACK_LOC_RIGHT, AC_JACK_LOC_TOP, AC_JACK_LOC_BOTTOM, }; /* bits 4-5 */ enum { AC_JACK_LOC_EXTERNAL = 0x00, AC_JACK_LOC_INTERNAL = 0x10, AC_JACK_LOC_SEPARATE = 0x20, AC_JACK_LOC_OTHER = 0x30, }; enum { /* external on primary chasis */ AC_JACK_LOC_REAR_PANEL = 0x07, AC_JACK_LOC_DRIVE_BAY, /* internal */ AC_JACK_LOC_RISER = 0x17, AC_JACK_LOC_HDMI, AC_JACK_LOC_ATAPI, /* others */ AC_JACK_LOC_MOBILE_IN = 0x37, AC_JACK_LOC_MOBILE_OUT, }; /* Port connectivity (0-3) */ enum { AC_JACK_PORT_COMPLEX, AC_JACK_PORT_NONE, AC_JACK_PORT_FIXED, AC_JACK_PORT_BOTH, }; /* max. connections to a widget */ #define HDA_MAX_CONNECTIONS 32 /* max. codec address */ #define HDA_MAX_CODEC_ADDRESS 0x0f /* * Structures */ struct hda_bus; struct hda_codec; struct hda_pcm; struct hda_pcm_stream; struct hda_bus_unsolicited; /* NID type */ typedef u16 hda_nid_t; /* bus operators */ struct hda_bus_ops { /* send a single command */ int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct, unsigned int verb, unsigned int parm); /* get a response from the last command */ unsigned int (*get_response)(struct hda_codec *codec); /* free the private data */ void (*private_free)(struct hda_bus *); #ifdef CONFIG_SND_HDA_POWER_SAVE /* notify power-up/down from codec to controller */ void (*pm_notify)(struct hda_codec *codec); #endif }; /* template to pass to the bus constructor */ struct hda_bus_template { void *private_data; struct pci_dev *pci; const char *modelname; struct hda_bus_ops ops; }; /* * 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; /* copied from template */ void *private_data; struct pci_dev *pci; const char *modelname; struct hda_bus_ops ops; /* codec linked list */ struct list_head codec_list; /* link caddr -> codec */ struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1]; struct mutex cmd_mutex; /* unsolicited event queue */ struct hda_bus_unsolicited *unsol; struct snd_info_entry *proc; /* misc op flags */ unsigned int needs_damn_long_delay :1; }; /* * 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; const char *name; int (*patch)(struct hda_codec *codec); }; /* 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); #ifdef SND_HDA_NEEDS_RESUME int (*suspend)(struct hda_codec *codec, pm_message_t state); int (*resume)(struct hda_codec *codec); #endif #ifdef CONFIG_SND_HDA_POWER_SAVE int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid); #endif }; /* record for amp information cache */ struct hda_cache_head { u32 key; /* hash key */ u16 val; /* assigned value */ u16 next; /* next link; -1 = terminal */ }; 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 */ unsigned int num_entries; /* number of assigned entries */ unsigned int size; /* allocated size */ unsigned int record_size; /* record size (including header) */ void *buffer; /* hash table 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); }; /* 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 */ struct hda_pcm_ops ops; }; /* for PCM creation */ struct hda_pcm { char *name; struct hda_pcm_stream stream[2]; unsigned int is_modem; /* modem codec? */ }; /* codec information */ struct hda_codec { 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 */ u32 vendor_id; u32 subsystem_id; u32 revision_id; /* detected preset */ const struct hda_codec_preset *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; /* widget capabilities cache */ unsigned int num_nodes; hda_nid_t start_nid; u32 *wcaps; struct hda_cache_rec amp_cache; /* cache for amp access */ struct hda_cache_rec cmd_cache; /* cache for other commands */ struct mutex spdif_mutex; unsigned int spdif_status; /* IEC958 status bits */ unsigned short spdif_ctls; /* SPDIF control bits */ unsigned int spdif_in_enable; /* SPDIF input enable? */ struct snd_hwdep *hwdep; /* assigned hwdep device */ #ifdef CONFIG_SND_HDA_POWER_SAVE unsigned int power_on :1; /* current (global) power-state */ unsigned int power_transition :1; /* power-state in transition */ int power_count; /* current (global) power refcount */ struct delayed_work power_work; /* delayed task for powerdown */ #endif }; /* direction */ enum { HDA_INPUT, HDA_OUTPUT }; /* * constructors */ int snd_hda_bus_new(struct snd_card *card, const struct hda_bus_template *temp, struct hda_bus **busp); int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, struct hda_codec **codecp); /* * low level functions */ unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct, unsigned int verb, unsigned int parm); int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, 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); 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 */ #ifdef SND_HDA_NEEDS_RESUME int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid, int direct, unsigned int verb, unsigned int parm); void snd_hda_sequence_write_cache(struct hda_codec *codec, const struct hda_verb *seq); void snd_hda_codec_resume_cache(struct hda_codec *codec); #else #define snd_hda_codec_write_cache snd_hda_codec_write #define snd_hda_sequence_write_cache snd_hda_sequence_write #endif /* * Mixer */ int snd_hda_build_controls(struct hda_bus *bus); /* * PCM */ int snd_hda_build_pcms(struct hda_bus *bus); void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, int channel_id, int format); unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels, unsigned int format, unsigned int maxbps); int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, u32 *ratesp, u64 *formatsp, unsigned int *bpsp); int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, unsigned int format); /* * Misc */ void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen); /* * power management */ #ifdef CONFIG_PM int snd_hda_suspend(struct hda_bus *bus, pm_message_t state); int snd_hda_resume(struct hda_bus *bus); #endif /* * power saving */ #ifdef CONFIG_SND_HDA_POWER_SAVE void snd_hda_power_up(struct hda_codec *codec); void snd_hda_power_down(struct hda_codec *codec); #define snd_hda_codec_needs_resume(codec) codec->power_count int snd_hda_codecs_inuse(struct hda_bus *bus); #else static inline void snd_hda_power_up(struct hda_codec *codec) {} static inline void snd_hda_power_down(struct hda_codec *codec) {} #define snd_hda_codec_needs_resume(codec) 1 #define snd_hda_codecs_inuse(bus) 1 #endif #endif /* __SOUND_HDA_CODEC_H */