--- /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
+
+/* 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 */
+#define snd_hda_codec_amp_read(codec, nid, ch, dir, idx) \
+ snd_hdac_regmap_get_amp(&(codec)->core, nid, ch, dir, idx)
+int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid,
+ int ch, int dir, 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_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);
+void snd_hda_codec_register(struct hda_codec *codec);
+void snd_hda_codec_cleanup_for_unbind(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_codec *codec,
+ struct hda_input_mux *imux, const char *label,
+ int index, int *type_index_ret);
+
+/*
+ * 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 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_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 */
+};
+
+#ifdef CONFIG_SND_DEBUG_VERBOSE
+
+#define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
+ { .codec = _codec,\
+ .subvendor = _subvendor,\
+ .name = _name,\
+ .value = _value,\
+ .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
+ }
+#else
+
+#define SND_HDA_PIN_QUIRK(_codec, _subvendor, _name, _value, _pins...) \
+ { .codec = _codec,\
+ .subvendor = _subvendor,\
+ .value = _value,\
+ .pins = (const struct hda_pintbl[]) { _pins, {0, 0}} \
+ }
+
+#endif
+
+#define HDA_FIXUP_ID_NOT_SET -1
+#define HDA_FIXUP_ID_NO_FIXUP -2
+
+/* 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);
+
+/* 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);
+
+#define for_each_hda_codec_node(nid, codec) \
+ for ((nid) = (codec)->core.start_nid; (nid) < (codec)->core.end_nid; (nid)++)
+
+/*
+ * get widget capabilities
+ */
+static inline u32 get_wcaps(struct hda_codec *codec, hda_nid_t nid)
+{
+ if (nid < codec->core.start_nid ||
+ nid >= codec->core.start_nid + codec->core.num_nodes)
+ return 0;
+ return codec->wcaps[nid - codec->core.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->core.start_nid &&
+ nid < codec->core.start_nid + codec->core.num_nodes)
+ codec->wcaps[nid - codec->core.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);
+/**
+ * snd_hda_query_pin_caps - Query PIN capabilities
+ * @codec: the HD-auio codec
+ * @nid: the NID to query
+ *
+ * Query PIN capabilities for the given widget.
+ * Returns the obtained capability bits.
+ *
+ * When cap bits have been already read, this doesn't read again but
+ * returns the cached value.
+ */
+static inline u32
+snd_hda_query_pin_caps(struct hda_codec *codec, hda_nid_t nid)
+{
+ return snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
+
+}
+
+/**
+ * snd_hda_override_pin_caps - Override the pin capabilities
+ * @codec: the CODEC
+ * @nid: the NID to override
+ * @caps: the capability bits to set
+ *
+ * Override the cached PIN capabilitiy bits value by the given one.
+ *
+ * Returns zero if successful or a negative error code.
+ */
+static inline int
+snd_hda_override_pin_caps(struct hda_codec *codec, hda_nid_t nid,
+ unsigned int caps)
+{
+ return snd_hdac_override_parm(&codec->core, nid, AC_PAR_PIN_CAP, caps);
+}
+
+bool snd_hda_check_amp_caps(struct hda_codec *codec, hda_nid_t nid,
+ int dir, unsigned int bits);
+
+#define nid_has_mute(codec, nid, dir) \
+ snd_hda_check_amp_caps(codec, nid, dir, (AC_AMPCAP_MUTE | AC_AMPCAP_MIN_MUTE))
+#define nid_has_volume(codec, nid, dir) \
+ snd_hda_check_amp_caps(codec, nid, dir, AC_AMPCAP_NUM_STEPS)
+
+
+/* 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 hda_codec *codec, struct parsed_hdmi_eld *e,
+ const unsigned char *buf, int size);
+void snd_hdmi_show_eld(struct hda_codec *codec, 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(hda_codec_dev(codec), fmt, ##args)
+#define codec_warn(codec, fmt, args...) \
+ dev_warn(hda_codec_dev(codec), fmt, ##args)
+#define codec_info(codec, fmt, args...) \
+ dev_info(hda_codec_dev(codec), fmt, ##args)
+#define codec_dbg(codec, fmt, args...) \
+ dev_dbg(hda_codec_dev(codec), fmt, ##args)
+
+#endif /* __SOUND_HDA_LOCAL_H */
Code Review / kvmfornfv.git / blobdiff