162 lines
5.9 KiB
C
162 lines
5.9 KiB
C
/*
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* Universal Interface for Intel High Definition Audio Codec
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*
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* Local helper functions
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*
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* Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __SOUND_HDA_LOCAL_H
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#define __SOUND_HDA_LOCAL_H
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/*
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* for mixer controls
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*/
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#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19))
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#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
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.info = snd_hda_mixer_amp_volume_info, \
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.get = snd_hda_mixer_amp_volume_get, \
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.put = snd_hda_mixer_amp_volume_put, \
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.private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
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#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
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HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
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#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
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HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
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#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
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HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
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#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
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{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
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.info = snd_hda_mixer_amp_switch_info, \
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.get = snd_hda_mixer_amp_switch_get, \
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.put = snd_hda_mixer_amp_switch_put, \
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.private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
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#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
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HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
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#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
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HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
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#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
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HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
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int snd_hda_mixer_amp_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
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int snd_hda_mixer_amp_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
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int snd_hda_mixer_amp_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
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int snd_hda_mixer_amp_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
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int snd_hda_mixer_amp_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
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int snd_hda_mixer_amp_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
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int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
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int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
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/*
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* input MUX helper
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*/
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#define HDA_MAX_NUM_INPUTS 8
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struct hda_input_mux_item {
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const char *label;
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unsigned int index;
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};
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struct hda_input_mux {
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unsigned int num_items;
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struct hda_input_mux_item items[HDA_MAX_NUM_INPUTS];
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};
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int snd_hda_input_mux_info(const struct hda_input_mux *imux, snd_ctl_elem_info_t *uinfo);
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int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
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snd_ctl_elem_value_t *ucontrol, hda_nid_t nid,
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unsigned int *cur_val);
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/*
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* Multi-channel / digital-out PCM helper
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*/
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enum { HDA_FRONT, HDA_REAR, HDA_CLFE, HDA_SIDE }; /* index for dac_nidx */
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enum { HDA_DIG_NONE, HDA_DIG_EXCLUSIVE, HDA_DIG_ANALOG_DUP }; /* dig_out_used */
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struct hda_multi_out {
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int num_dacs; /* # of DACs, must be more than 1 */
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hda_nid_t *dac_nids; /* DAC list */
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hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
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hda_nid_t dig_out_nid; /* digital out audio widget */
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int max_channels; /* currently supported analog channels */
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int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
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};
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int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout);
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int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout);
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int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
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snd_pcm_substream_t *substream);
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int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
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unsigned int stream_tag,
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unsigned int format,
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snd_pcm_substream_t *substream);
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int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout);
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/*
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* generic codec parser
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*/
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int snd_hda_parse_generic_codec(struct hda_codec *codec);
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/*
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* generic proc interface
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*/
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#ifdef CONFIG_PROC_FS
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int snd_hda_codec_proc_new(struct hda_codec *codec);
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#else
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static inline int snd_hda_codec_proc_new(struct hda_codec *codec) { return 0; }
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#endif
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/*
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* Misc
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*/
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struct hda_board_config {
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const char *modelname;
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int config;
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unsigned short pci_vendor;
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unsigned short pci_device;
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};
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int snd_hda_check_board_config(struct hda_codec *codec, struct hda_board_config *tbl);
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int snd_hda_add_new_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew);
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/*
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* power management
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*/
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#ifdef CONFIG_PM
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int snd_hda_resume_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew);
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int snd_hda_resume_spdif_out(struct hda_codec *codec);
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int snd_hda_resume_spdif_in(struct hda_codec *codec);
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#endif
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/*
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* unsolicited event handler
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*/
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#define HDA_UNSOL_QUEUE_SIZE 64
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struct hda_bus_unsolicited {
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/* ring buffer */
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u32 queue[HDA_UNSOL_QUEUE_SIZE * 2];
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unsigned int rp, wp;
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/* workqueue */
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struct workqueue_struct *workq;
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struct work_struct work;
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};
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#endif /* __SOUND_HDA_LOCAL_H */
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