/* * Universal Interface for Intel High Definition Audio Codec * * Local helper functions * * 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_LOCAL_H #define __SOUND_HDA_LOCAL_H /* We abuse kcontrol_new.subdev field to pass the NID corresponding to * the given new control. If id.subdev has a bit flag HDA_SUBDEV_NID_FLAG, * snd_hda_ctl_add() takes the lower-bit subdev value as a valid NID. * * Note that the subdevice field is cleared again before the real registration * in snd_hda_ctl_add(), so that this value won't appear in the outside. */ #define HDA_SUBDEV_NID_FLAG (1U << 31) #define HDA_SUBDEV_AMP_FLAG (1U << 30) /* * for mixer controls */ #define HDA_COMPOSE_AMP_VAL_OFS(nid,chs,idx,dir,ofs) \ ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19) | ((ofs)<<23)) #define HDA_AMP_VAL_MIN_MUTE (1<<29) #define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) \ HDA_COMPOSE_AMP_VAL_OFS(nid, chs, idx, dir, 0) /* mono volume with index (index=0,1,...) (channel=1,2) */ #define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, dir, flags) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \ .subdevice = HDA_SUBDEV_AMP_FLAG, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | \ SNDRV_CTL_ELEM_ACCESS_TLV_READ | \ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK, \ .info = snd_hda_mixer_amp_volume_info, \ .get = snd_hda_mixer_amp_volume_get, \ .put = snd_hda_mixer_amp_volume_put, \ .tlv = { .c = snd_hda_mixer_amp_tlv }, \ .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, dir) | flags } /* stereo volume with index */ #define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \ HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction, 0) /* mono volume */ #define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \ HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction, 0) /* stereo volume */ #define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \ HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction) /* stereo volume with min=mute */ #define HDA_CODEC_VOLUME_MIN_MUTE(xname, nid, xindex, direction) \ HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, 3, xindex, direction, \ HDA_AMP_VAL_MIN_MUTE) /* mono mute switch with index (index=0,1,...) (channel=1,2) */ #define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \ .subdevice = HDA_SUBDEV_AMP_FLAG, \ .info = snd_hda_mixer_amp_switch_info, \ .get = snd_hda_mixer_amp_switch_get, \ .put = snd_hda_mixer_amp_switch_put, \ .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) } /* stereo mute switch with index */ #define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \ HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction) /* mono mute switch */ #define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \ HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction) /* stereo mute switch */ #define HDA_CODEC_MUTE(xname, nid, xindex, direction) \ HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction) #ifdef CONFIG_SND_HDA_INPUT_BEEP /* special beep mono mute switch with index (index=0,1,...) (channel=1,2) */ #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \ .subdevice = HDA_SUBDEV_AMP_FLAG, \ .info = snd_hda_mixer_amp_switch_info, \ .get = snd_hda_mixer_amp_switch_get_beep, \ .put = snd_hda_mixer_amp_switch_put_beep, \ .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) } #else /* no digital beep - just the standard one */ #define HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) \ HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, ch, xidx, dir) #endif /* CONFIG_SND_HDA_INPUT_BEEP */ /* special beep mono mute switch */ #define HDA_CODEC_MUTE_BEEP_MONO(xname, nid, channel, xindex, direction) \ HDA_CODEC_MUTE_BEEP_MONO_IDX(xname, 0, nid, channel, xindex, direction) /* special beep stereo mute switch */ #define HDA_CODEC_MUTE_BEEP(xname, nid, xindex, direction) \ HDA_CODEC_MUTE_BEEP_MONO(xname, nid, 3, xindex, direction) extern const char *snd_hda_pcm_type_name[]; int snd_hda_mixer_amp_volume_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_hda_mixer_amp_volume_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_amp_volume_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_amp_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *tlv); int snd_hda_mixer_amp_switch_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_hda_mixer_amp_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_amp_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); #ifdef CONFIG_SND_HDA_INPUT_BEEP int snd_hda_mixer_amp_switch_get_beep(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_amp_switch_put_beep(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); #endif /* lowlevel accessor with caching; use carefully */ int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index); int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val); int snd_hda_codec_amp_stereo(struct hda_codec *codec, hda_nid_t nid, int dir, int idx, int mask, int val); int snd_hda_codec_amp_init(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val); int snd_hda_codec_amp_init_stereo(struct hda_codec *codec, hda_nid_t nid, int dir, int idx, int mask, int val); void snd_hda_codec_resume_amp(struct hda_codec *codec); void snd_hda_set_vmaster_tlv(struct hda_codec *codec, hda_nid_t nid, int dir, unsigned int *tlv); struct snd_kcontrol *snd_hda_find_mixer_ctl(struct hda_codec *codec, const char *name); int __snd_hda_add_vmaster(struct hda_codec *codec, char *name, unsigned int *tlv, const char * const *slaves, const char *suffix, bool init_slave_vol, struct snd_kcontrol **ctl_ret); #define snd_hda_add_vmaster(codec, name, tlv, slaves, suffix) \ __snd_hda_add_vmaster(codec, name, tlv, slaves, suffix, true, NULL) int snd_hda_codec_reset(struct hda_codec *codec); enum { HDA_VMUTE_OFF, HDA_VMUTE_ON, HDA_VMUTE_FOLLOW_MASTER, }; struct hda_vmaster_mute_hook { /* below two fields must be filled by the caller of * snd_hda_add_vmaster_hook() beforehand */ struct snd_kcontrol *sw_kctl; void (*hook)(void *, int); /* below are initialized automatically */ unsigned int mute_mode; /* HDA_VMUTE_XXX */ struct hda_codec *codec; }; int snd_hda_add_vmaster_hook(struct hda_codec *codec, struct hda_vmaster_mute_hook *hook, bool expose_enum_ctl); void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook); /* amp value bits */ #define HDA_AMP_MUTE 0x80 #define HDA_AMP_UNMUTE 0x00 #define HDA_AMP_VOLMASK 0x7f /* mono switch binding multiple inputs */ #define HDA_BIND_MUTE_MONO(xname, nid, channel, indices, direction) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = 0, \ .info = snd_hda_mixer_amp_switch_info, \ .get = snd_hda_mixer_bind_switch_get, \ .put = snd_hda_mixer_bind_switch_put, \ .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, indices, direction) } /* stereo switch binding multiple inputs */ #define HDA_BIND_MUTE(xname,nid,indices,dir) \ HDA_BIND_MUTE_MONO(xname,nid,3,indices,dir) int snd_hda_mixer_bind_switch_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_bind_switch_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); /* more generic bound controls */ struct hda_ctl_ops { snd_kcontrol_info_t *info; snd_kcontrol_get_t *get; snd_kcontrol_put_t *put; snd_kcontrol_tlv_rw_t *tlv; }; extern struct hda_ctl_ops snd_hda_bind_vol; /* for bind-volume with TLV */ extern struct hda_ctl_ops snd_hda_bind_sw; /* for bind-switch */ struct hda_bind_ctls { struct hda_ctl_ops *ops; unsigned long values[]; }; int snd_hda_mixer_bind_ctls_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo); int snd_hda_mixer_bind_ctls_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_bind_ctls_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol); int snd_hda_mixer_bind_tlv(struct snd_kcontrol *kcontrol, int op_flag, unsigned int size, unsigned int __user *tlv); #define HDA_BIND_VOL(xname, bindrec) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .name = xname, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |\ SNDRV_CTL_ELEM_ACCESS_TLV_READ |\ SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK,\ .info = snd_hda_mixer_bind_ctls_info,\ .get = snd_hda_mixer_bind_ctls_get,\ .put = snd_hda_mixer_bind_ctls_put,\ .tlv = { .c = snd_hda_mixer_bind_tlv },\ .private_value = (long) (bindrec) } #define HDA_BIND_SW(xname, bindrec) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER,\ .name = xname, \ .info = snd_hda_mixer_bind_ctls_info,\ .get = snd_hda_mixer_bind_ctls_get,\ .put = snd_hda_mixer_bind_ctls_put,\ .private_value = (long) (bindrec) } /* * SPDIF I/O */ int snd_hda_create_dig_out_ctls(struct hda_codec *codec, hda_nid_t associated_nid, hda_nid_t cvt_nid, int type); #define snd_hda_create_spdif_out_ctls(codec, anid, cnid) \ snd_hda_create_dig_out_ctls(codec, anid, cnid, HDA_PCM_TYPE_SPDIF) int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid); /* * input MUX helper */ #define HDA_MAX_NUM_INPUTS 16 struct hda_input_mux_item { char label[32]; unsigned int index; }; struct hda_input_mux { unsigned int num_items; struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS]; }; int snd_hda_input_mux_info(const struct hda_input_mux *imux, struct snd_ctl_elem_info *uinfo); int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux, struct snd_ctl_elem_value *ucontrol, hda_nid_t nid, unsigned int *cur_val); int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label, int index, int *type_index_ret); /* * Channel mode helper */ struct hda_channel_mode { int channels; const struct hda_verb *sequence; }; int snd_hda_ch_mode_info(struct hda_codec *codec, struct snd_ctl_elem_info *uinfo, const struct hda_channel_mode *chmode, int num_chmodes); int snd_hda_ch_mode_get(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol, const struct hda_channel_mode *chmode, int num_chmodes, int max_channels); int snd_hda_ch_mode_put(struct hda_codec *codec, struct snd_ctl_elem_value *ucontrol, const struct hda_channel_mode *chmode, int num_chmodes, int *max_channelsp); /* * Multi-channel / digital-out PCM helper */ enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */ enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */ #define HDA_MAX_OUTS 5 struct hda_multi_out { int num_dacs; /* # of DACs, must be more than 1 */ const hda_nid_t *dac_nids; /* DAC list */ hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */ hda_nid_t hp_out_nid[HDA_MAX_OUTS]; /* DACs for multiple HPs */ hda_nid_t extra_out_nid[HDA_MAX_OUTS]; /* other (e.g. speaker) DACs */ hda_nid_t dig_out_nid; /* digital out audio widget */ const hda_nid_t *slave_dig_outs; int max_channels; /* currently supported analog channels */ int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */ int no_share_stream; /* don't share a stream with multiple pins */ int share_spdif; /* share SPDIF pin */ /* PCM information for both analog and SPDIF DACs */ unsigned int analog_rates; unsigned int analog_maxbps; u64 analog_formats; unsigned int spdif_rates; unsigned int spdif_maxbps; u64 spdif_formats; }; int snd_hda_create_spdif_share_sw(struct hda_codec *codec, struct hda_multi_out *mout); int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout); int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout); int snd_hda_multi_out_dig_prepare(struct hda_codec *codec, struct hda_multi_out *mout, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream); int snd_hda_multi_out_dig_cleanup(struct hda_codec *codec, struct hda_multi_out *mout); int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout, struct snd_pcm_substream *substream, struct hda_pcm_stream *hinfo); int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout, unsigned int stream_tag, unsigned int format, struct snd_pcm_substream *substream); int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout); /* * generic codec parser */ int snd_hda_parse_generic_codec(struct hda_codec *codec); int snd_hda_parse_hdmi_codec(struct hda_codec *codec); /* * generic proc interface */ #ifdef CONFIG_PROC_FS int snd_hda_codec_proc_new(struct hda_codec *codec); #else static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; } #endif #define SND_PRINT_BITS_ADVISED_BUFSIZE 16 void snd_print_pcm_bits(int pcm, char *buf, int buflen); /* * Misc */ int snd_hda_check_board_config(struct hda_codec *codec, int num_configs, const char * const *modelnames, const struct snd_pci_quirk *pci_list); int snd_hda_check_board_codec_sid_config(struct hda_codec *codec, int num_configs, const char * const *models, const struct snd_pci_quirk *tbl); int snd_hda_add_new_ctls(struct hda_codec *codec, const struct snd_kcontrol_new *knew); /* * Fix-up pin default configurations and add default verbs */ struct hda_pintbl { hda_nid_t nid; u32 val; }; struct hda_model_fixup { const int id; const char *name; }; struct hda_fixup { int type; bool chained:1; /* call the chained fixup(s) after this */ bool chained_before:1; /* call the chained fixup(s) before this */ int chain_id; union { const struct hda_pintbl *pins; const struct hda_verb *verbs; void (*func)(struct hda_codec *codec, const struct hda_fixup *fix, int action); } v; }; struct snd_hda_pin_quirk { unsigned int codec; /* Codec vendor/device ID */ unsigned short subvendor; /* PCI subvendor ID */ const struct hda_pintbl *pins; /* list of matching pins */ #ifdef CONFIG_SND_DEBUG_VERBOSE const char *name; #endif int value; /* quirk value */ }; /* fixup types */ enum { HDA_FIXUP_INVALID, HDA_FIXUP_PINS, HDA_FIXUP_VERBS, HDA_FIXUP_FUNC, HDA_FIXUP_PINCTLS, }; /* fixup action definitions */ enum { HDA_FIXUP_ACT_PRE_PROBE, HDA_FIXUP_ACT_PROBE, HDA_FIXUP_ACT_INIT, HDA_FIXUP_ACT_BUILD, HDA_FIXUP_ACT_FREE, }; int snd_hda_add_verbs(struct hda_codec *codec, const struct hda_verb *list); void snd_hda_apply_verbs(struct hda_codec *codec); void snd_hda_apply_pincfgs(struct hda_codec *codec, const struct hda_pintbl *cfg); void snd_hda_apply_fixup(struct hda_codec *codec, int action); void snd_hda_pick_fixup(struct hda_codec *codec, const struct hda_model_fixup *models, const struct snd_pci_quirk *quirk, const struct hda_fixup *fixlist); void snd_hda_pick_pin_fixup(struct hda_codec *codec, const struct snd_hda_pin_quirk *pin_quirk, const struct hda_fixup *fixlist); /* * 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; struct hda_bus *bus; }; /* helper macros to retrieve pin default-config values */ #define get_defcfg_connect(cfg) \ ((cfg & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT) #define get_defcfg_association(cfg) \ ((cfg & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT) #define get_defcfg_location(cfg) \ ((cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT) #define get_defcfg_sequence(cfg) \ (cfg & AC_DEFCFG_SEQUENCE) #define get_defcfg_device(cfg) \ ((cfg & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT) #define get_defcfg_misc(cfg) \ ((cfg & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) /* amp values */ #define AMP_IN_MUTE(idx) (0x7080 | ((idx)<<8)) #define AMP_IN_UNMUTE(idx) (0x7000 | ((idx)<<8)) #define AMP_OUT_MUTE 0xb080 #define AMP_OUT_UNMUTE 0xb000 #define AMP_OUT_ZERO 0xb000 /* pinctl values */ #define PIN_IN (AC_PINCTL_IN_EN) #define PIN_VREFHIZ (AC_PINCTL_IN_EN | AC_PINCTL_VREF_HIZ) #define PIN_VREF50 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_50) #define PIN_VREFGRD (AC_PINCTL_IN_EN | AC_PINCTL_VREF_GRD) #define PIN_VREF80 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_80) #define PIN_VREF100 (AC_PINCTL_IN_EN | AC_PINCTL_VREF_100) #define PIN_OUT (AC_PINCTL_OUT_EN) #define PIN_HP (AC_PINCTL_OUT_EN | AC_PINCTL_HP_EN) #define PIN_HP_AMP (AC_PINCTL_HP_EN) unsigned int snd_hda_get_default_vref(struct hda_codec *codec, hda_nid_t pin); unsigned int snd_hda_correct_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val); int _snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val, bool cached); /** * _snd_hda_set_pin_ctl - Set a pin-control value safely * @codec: the codec instance * @pin: the pin NID to set the control * @val: the pin-control value (AC_PINCTL_* bits) * * This function sets the pin-control value to the given pin, but * filters out the invalid pin-control bits when the pin has no such * capabilities. For example, when PIN_HP is passed but the pin has no * HP-drive capability, the HP bit is omitted. * * The function doesn't check the input VREF capability bits, though. * Use snd_hda_get_default_vref() to guess the right value. * Also, this function is only for analog pins, not for HDMI pins. */ static inline int snd_hda_set_pin_ctl(struct hda_codec *codec, hda_nid_t pin, unsigned int val) { return _snd_hda_set_pin_ctl(codec, pin, val, false); } /** * snd_hda_set_pin_ctl_cache - Set a pin-control value safely * @codec: the codec instance * @pin: the pin NID to set the control * @val: the pin-control value (AC_PINCTL_* bits) * * Just like snd_hda_set_pin_ctl() but write to cache as well. */ static inline int snd_hda_set_pin_ctl_cache(struct hda_codec *codec, hda_nid_t pin, unsigned int val) { return _snd_hda_set_pin_ctl(codec, pin, val, true); } int snd_hda_codec_get_pin_target(struct hda_codec *codec, hda_nid_t nid); int snd_hda_codec_set_pin_target(struct hda_codec *codec, hda_nid_t nid, unsigned int val); /* * get widget capabilities */ static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid) { if (nid < codec->start_nid || nid >= codec->start_nid + codec->num_nodes) return 0; return codec->wcaps[nid - codec->start_nid]; } /* get the widget type from widget capability bits */ static inline int get_wcaps_type(unsigned int wcaps) { if (!wcaps) return -1; /* invalid type */ return (wcaps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; } static inline unsigned int get_wcaps_channels(u32 wcaps) { unsigned int chans; chans = (wcaps & AC_WCAP_CHAN_CNT_EXT) >> 13; chans = ((chans << 1) | 1) + 1; return chans; } static inline void snd_hda_override_wcaps(struct hda_codec *codec, hda_nid_t nid, u32 val) { if (nid >= codec->start_nid && nid < codec->start_nid + codec->num_nodes) codec->wcaps[nid - codec->start_nid] = val; } u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction); int snd_hda_override_amp_caps(struct hda_codec *codec, hda_nid_t nid, int dir, unsigned int caps); u32 snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid); int snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid, unsigned int caps); /* flags for hda_nid_item */ #define HDA_NID_ITEM_AMP (1<<0) struct hda_nid_item { struct snd_kcontrol *kctl; unsigned int index; hda_nid_t nid; unsigned short flags; }; int snd_hda_ctl_add(struct hda_codec *codec, hda_nid_t nid, struct snd_kcontrol *kctl); int snd_hda_add_nid(struct hda_codec *codec, struct snd_kcontrol *kctl, unsigned int index, hda_nid_t nid); void snd_hda_ctls_clear(struct hda_codec *codec); /* * hwdep interface */ #ifdef CONFIG_SND_HDA_HWDEP int snd_hda_create_hwdep(struct hda_codec *codec); #else static inline int snd_hda_create_hwdep(struct hda_codec *codec) { return 0; } #endif void snd_hda_sysfs_init(struct hda_codec *codec); void snd_hda_sysfs_clear(struct hda_codec *codec); extern const struct attribute_group *snd_hda_dev_attr_groups[]; #ifdef CONFIG_SND_HDA_RECONFIG const char *snd_hda_get_hint(struct hda_codec *codec, const char *key); int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key); int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp); #else static inline const char *snd_hda_get_hint(struct hda_codec *codec, const char *key) { return NULL; } static inline int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key) { return -ENOENT; } static inline int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp) { return -ENOENT; } #endif /* * power-management */ void snd_hda_schedule_power_save(struct hda_codec *codec); struct hda_amp_list { hda_nid_t nid; unsigned char dir; unsigned char idx; }; struct hda_loopback_check { const struct hda_amp_list *amplist; int power_on; }; int snd_hda_check_amp_list_power(struct hda_codec *codec, struct hda_loopback_check *check, hda_nid_t nid); /* check whether the actual power state matches with the target state */ static inline bool snd_hda_check_power_state(struct hda_codec *codec, hda_nid_t nid, unsigned int target_state) { unsigned int state = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0); if (state & AC_PWRST_ERROR) return true; state = (state >> 4) & 0x0f; return (state == target_state); } unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, hda_nid_t nid, unsigned int power_state); /* * AMP control callbacks */ /* retrieve parameters from private_value */ #define get_amp_nid_(pv) ((pv) & 0xffff) #define get_amp_nid(kc) get_amp_nid_((kc)->private_value) #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) #define get_amp_direction_(pv) (((pv) >> 18) & 0x1) #define get_amp_direction(kc) get_amp_direction_((kc)->private_value) #define get_amp_index_(pv) (((pv) >> 19) & 0xf) #define get_amp_index(kc) get_amp_index_((kc)->private_value) #define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f) #define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1) /* * enum control helper */ int snd_hda_enum_helper_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo, int num_entries, const char * const *texts); #define snd_hda_enum_bool_helper_info(kcontrol, uinfo) \ snd_hda_enum_helper_info(kcontrol, uinfo, 0, NULL) /* * CEA Short Audio Descriptor data */ struct cea_sad { int channels; int format; /* (format == 0) indicates invalid SAD */ int rates; int sample_bits; /* for LPCM */ int max_bitrate; /* for AC3...ATRAC */ int profile; /* for WMAPRO */ }; #define ELD_FIXED_BYTES 20 #define ELD_MAX_SIZE 256 #define ELD_MAX_MNL 16 #define ELD_MAX_SAD 16 /* * ELD: EDID Like Data */ struct parsed_hdmi_eld { /* * all fields will be cleared before updating ELD */ int baseline_len; int eld_ver; int cea_edid_ver; char monitor_name[ELD_MAX_MNL + 1]; int manufacture_id; int product_id; u64 port_id; int support_hdcp; int support_ai; int conn_type; int aud_synch_delay; int spk_alloc; int sad_count; struct cea_sad sad[ELD_MAX_SAD]; }; struct hdmi_eld { bool monitor_present; bool eld_valid; int eld_size; char eld_buffer[ELD_MAX_SIZE]; struct parsed_hdmi_eld info; }; int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); int snd_hdmi_get_eld(struct hda_codec *codec, hda_nid_t nid, unsigned char *buf, int *eld_size); int snd_hdmi_parse_eld(struct parsed_hdmi_eld *e, const unsigned char *buf, int size); void snd_hdmi_show_eld(struct parsed_hdmi_eld *e); void snd_hdmi_eld_update_pcm_info(struct parsed_hdmi_eld *e, struct hda_pcm_stream *hinfo); int snd_hdmi_get_eld_ati(struct hda_codec *codec, hda_nid_t nid, unsigned char *buf, int *eld_size, bool rev3_or_later); #ifdef CONFIG_PROC_FS void snd_hdmi_print_eld_info(struct hdmi_eld *eld, struct snd_info_buffer *buffer); void snd_hdmi_write_eld_info(struct hdmi_eld *eld, struct snd_info_buffer *buffer); #endif #define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80 void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen); /* */ #define codec_err(codec, fmt, args...) dev_err(&(codec)->dev, fmt, ##args) #define codec_warn(codec, fmt, args...) dev_warn(&(codec)->dev, fmt, ##args) #define codec_info(codec, fmt, args...) dev_info(&(codec)->dev, fmt, ##args) #define codec_dbg(codec, fmt, args...) dev_dbg(&(codec)->dev, fmt, ##args) #endif /* __SOUND_HDA_LOCAL_H */