diff options
Diffstat (limited to 'sound/pci/hda/hda_local.h')
| -rw-r--r-- | sound/pci/hda/hda_local.h | 708 |
1 files changed, 708 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h new file mode 100644 index 00000000..0ec92481 --- /dev/null +++ b/sound/pci/hda/hda_local.h @@ -0,0 +1,708 @@ +/* + * Universal Interface for Intel High Definition Audio Codec + * + * Local helper functions + * + * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> + * + * 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, \ + .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_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); +#ifdef CONFIG_PM +void snd_hda_codec_resume_amp(struct hda_codec *codec); +#endif + +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_spdif_out_ctls(struct hda_codec *codec, + hda_nid_t associated_nid, + hda_nid_t cvt_nid); +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); + +/* + * 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 + */ +#ifdef CONFIG_SND_HDA_GENERIC +int snd_hda_parse_generic_codec(struct hda_codec *codec); +#else +static inline int snd_hda_parse_generic_codec(struct hda_codec *codec) +{ + return -ENODEV; +} +#endif + +/* + * 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); + +/* + * 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 for automatic pin configuration + */ + +enum { + AUTO_PIN_MIC, + AUTO_PIN_LINE_IN, + AUTO_PIN_CD, + AUTO_PIN_AUX, + AUTO_PIN_LAST +}; + +enum { + AUTO_PIN_LINE_OUT, + AUTO_PIN_SPEAKER_OUT, + AUTO_PIN_HP_OUT +}; + +#define AUTO_CFG_MAX_OUTS HDA_MAX_OUTS +#define AUTO_CFG_MAX_INS 8 + +struct auto_pin_cfg_item { + hda_nid_t pin; + int type; +}; + +struct auto_pin_cfg; +const char *hda_get_autocfg_input_label(struct hda_codec *codec, + const struct auto_pin_cfg *cfg, + int input); +int snd_hda_get_pin_label(struct hda_codec *codec, hda_nid_t nid, + const struct auto_pin_cfg *cfg, + char *label, int maxlen, int *indexp); +int snd_hda_add_imux_item(struct hda_input_mux *imux, const char *label, + int index, int *type_index_ret); + +enum { + INPUT_PIN_ATTR_UNUSED, /* pin not connected */ + INPUT_PIN_ATTR_INT, /* internal mic/line-in */ + INPUT_PIN_ATTR_DOCK, /* docking mic/line-in */ + INPUT_PIN_ATTR_NORMAL, /* mic/line-in jack */ + INPUT_PIN_ATTR_FRONT, /* mic/line-in jack in front */ + INPUT_PIN_ATTR_REAR, /* mic/line-in jack in rear */ +}; + +int snd_hda_get_input_pin_attr(unsigned int def_conf); + +struct auto_pin_cfg { + int line_outs; + /* sorted in the order of Front/Surr/CLFE/Side */ + hda_nid_t line_out_pins[AUTO_CFG_MAX_OUTS]; + int speaker_outs; + hda_nid_t speaker_pins[AUTO_CFG_MAX_OUTS]; + int hp_outs; + int line_out_type; /* AUTO_PIN_XXX_OUT */ + hda_nid_t hp_pins[AUTO_CFG_MAX_OUTS]; + int num_inputs; + struct auto_pin_cfg_item inputs[AUTO_CFG_MAX_INS]; + int dig_outs; + hda_nid_t dig_out_pins[2]; + hda_nid_t dig_in_pin; + hda_nid_t mono_out_pin; + int dig_out_type[2]; /* HDA_PCM_TYPE_XXX */ + int dig_in_type; /* HDA_PCM_TYPE_XXX */ +}; + +#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) + +/* bit-flags for snd_hda_parse_pin_def_config() behavior */ +#define HDA_PINCFG_NO_HP_FIXUP (1 << 0) /* no HP-split */ +#define HDA_PINCFG_NO_LO_FIXUP (1 << 1) /* don't take other outs as LO */ + +int snd_hda_parse_pin_defcfg(struct hda_codec *codec, + struct auto_pin_cfg *cfg, + const hda_nid_t *ignore_nids, + unsigned int cond_flags); + +/* older function */ +#define snd_hda_parse_pin_def_config(codec, cfg, ignore) \ + snd_hda_parse_pin_defcfg(codec, cfg, ignore, 0) + +/* 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) + +/* + * 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; +} + +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 + +#if defined(CONFIG_SND_HDA_POWER_SAVE) && defined(CONFIG_SND_HDA_HWDEP) +int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec); +#else +static inline int snd_hda_hwdep_add_power_sysfs(struct hda_codec *codec) +{ + return 0; +} +#endif + +#ifdef CONFIG_SND_HDA_RECONFIG +int snd_hda_hwdep_add_sysfs(struct hda_codec *codec); +#else +static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec) +{ + return 0; +} +#endif + +#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); +#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; +} +#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); + +/* + * 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(kc) (((kc)->private_value >> 19) & 0xf) +#define get_amp_offset(kc) (((kc)->private_value >> 23) & 0x3f) +#define get_amp_min_mute(kc) (((kc)->private_value >> 29) & 0x1) + +/* + * 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 hdmi_eld { + bool monitor_present; + bool eld_valid; + int eld_size; + 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]; + /* + * all fields above eld_buffer will be cleared before updating ELD + */ + char eld_buffer[ELD_MAX_SIZE]; +#ifdef CONFIG_PROC_FS + struct snd_info_entry *proc_entry; +#endif +}; + +int snd_hdmi_get_eld_size(struct hda_codec *codec, hda_nid_t nid); +int snd_hdmi_get_eld(struct hdmi_eld *, struct hda_codec *, hda_nid_t); +void snd_hdmi_show_eld(struct hdmi_eld *eld); +void snd_hdmi_eld_update_pcm_info(struct hdmi_eld *eld, + struct hda_pcm_stream *hinfo); + +#ifdef CONFIG_PROC_FS +int snd_hda_eld_proc_new(struct hda_codec *codec, struct hdmi_eld *eld, + int index); +void snd_hda_eld_proc_free(struct hda_codec *codec, struct hdmi_eld *eld); +#else +static inline int snd_hda_eld_proc_new(struct hda_codec *codec, + struct hdmi_eld *eld, + int index) +{ + return 0; +} +static inline void snd_hda_eld_proc_free(struct hda_codec *codec, + struct hdmi_eld *eld) +{ +} +#endif + +#define SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE 80 +void snd_print_channel_allocation(int spk_alloc, char *buf, int buflen); + +#endif /* __SOUND_HDA_LOCAL_H */ |