--- /dev/null
+/*
+ * 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
+
+/*
+ * for mixer controls
+ */
+#define HDA_COMPOSE_AMP_VAL(nid,chs,idx,dir) ((nid) | ((chs)<<16) | ((dir)<<18) | ((idx)<<19))
+#define HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
+ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
+ .info = snd_hda_mixer_amp_volume_info, \
+ .get = snd_hda_mixer_amp_volume_get, \
+ .put = snd_hda_mixer_amp_volume_put, \
+ .private_value = HDA_COMPOSE_AMP_VAL(nid, channel, xindex, direction) }
+#define HDA_CODEC_VOLUME_IDX(xname, xcidx, nid, xindex, direction) \
+ HDA_CODEC_VOLUME_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
+#define HDA_CODEC_VOLUME_MONO(xname, nid, channel, xindex, direction) \
+ HDA_CODEC_VOLUME_MONO_IDX(xname, 0, nid, channel, xindex, direction)
+#define HDA_CODEC_VOLUME(xname, nid, xindex, direction) \
+ HDA_CODEC_VOLUME_MONO(xname, nid, 3, xindex, direction)
+#define HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, channel, xindex, direction) \
+ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xcidx, \
+ .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) }
+#define HDA_CODEC_MUTE_IDX(xname, xcidx, nid, xindex, direction) \
+ HDA_CODEC_MUTE_MONO_IDX(xname, xcidx, nid, 3, xindex, direction)
+#define HDA_CODEC_MUTE_MONO(xname, nid, channel, xindex, direction) \
+ HDA_CODEC_MUTE_MONO_IDX(xname, 0, nid, channel, xindex, direction)
+#define HDA_CODEC_MUTE(xname, nid, xindex, direction) \
+ HDA_CODEC_MUTE_MONO(xname, nid, 3, xindex, direction)
+
+int snd_hda_mixer_amp_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
+int snd_hda_mixer_amp_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
+int snd_hda_mixer_amp_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
+int snd_hda_mixer_amp_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo);
+int snd_hda_mixer_amp_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
+int snd_hda_mixer_amp_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol);
+
+int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid);
+int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid);
+
+/*
+ * input MUX helper
+ */
+#define HDA_MAX_NUM_INPUTS 8
+struct hda_input_mux_item {
+ const char *label;
+ 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, snd_ctl_elem_info_t *uinfo);
+int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux,
+ snd_ctl_elem_value_t *ucontrol, hda_nid_t nid,
+ unsigned int *cur_val);
+
+/*
+ * 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 */
+
+struct hda_multi_out {
+ int num_dacs; /* # of DACs, must be more than 1 */
+ hda_nid_t *dac_nids; /* DAC list */
+ hda_nid_t hp_nid; /* optional DAC for HP, 0 when not exists */
+ hda_nid_t dig_out_nid; /* digital out audio widget */
+ int max_channels; /* currently supported analog channels */
+ int dig_out_used; /* current usage of digital out (HDA_DIG_XXX) */
+};
+
+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_analog_open(struct hda_codec *codec, struct hda_multi_out *mout,
+ snd_pcm_substream_t *substream);
+int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout,
+ unsigned int stream_tag,
+ unsigned int format,
+ snd_pcm_substream_t *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);
+
+/*
+ * 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
+
+/*
+ * Misc
+ */
+struct hda_board_config {
+ const char *modelname;
+ int config;
+ unsigned short pci_vendor;
+ unsigned short pci_device;
+};
+
+int snd_hda_check_board_config(struct hda_codec *codec, struct hda_board_config *tbl);
+int snd_hda_add_new_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew);
+
+/*
+ * power management
+ */
+#ifdef CONFIG_PM
+int snd_hda_resume_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew);
+int snd_hda_resume_spdif_out(struct hda_codec *codec);
+int snd_hda_resume_spdif_in(struct hda_codec *codec);
+#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 workqueue_struct *workq;
+ struct work_struct work;
+};
+
+#endif /* __SOUND_HDA_LOCAL_H */
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