Linux-2.6.12-rc2v2.6.12-rc2

Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.

Let it rip!

1 files changed, 604 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
new file mode 100644
index 000000000000..c9e9dc9c7c98
--- /dev/null
+++ b/sound/pci/hda/hda_codec.h
@@ -0,0 +1,604 @@
+/*
+ * Universal Interface for Intel High Definition Audio Codec
+ *
+ * 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_CODEC_H
+#define __SOUND_HDA_CODEC_H
+
+#include <sound/info.h>
+#include <sound/control.h>
+#include <sound/pcm.h>
+
+/*
+ * nodes
+ */
+#define AC_NODE_ROOT            0x00
+
+/*
+ * function group types
+ */
+enum {
+        AC_GRP_AUDIO_FUNCTION = 0x01,
+        AC_GRP_MODEM_FUNCTION = 0x02,
+};
+        
+/*
+ * widget types
+ */
+enum {
+        AC_WID_AUD_OUT,         /* Audio Out */
+        AC_WID_AUD_IN,          /* Audio In */
+        AC_WID_AUD_MIX,         /* Audio Mixer */
+        AC_WID_AUD_SEL,         /* Audio Selector */
+        AC_WID_PIN,             /* Pin Complex */
+        AC_WID_POWER,           /* Power */
+        AC_WID_VOL_KNB,         /* Volume Knob */
+        AC_WID_BEEP,            /* Beep Generator */
+        AC_WID_VENDOR = 0x0f    /* Vendor specific */
+};
+
+/*
+ * GET verbs
+ */
+#define AC_VERB_GET_STREAM_FORMAT               0x0a00
+#define AC_VERB_GET_AMP_GAIN_MUTE               0x0b00
+#define AC_VERB_GET_PROC_COEF                   0x0c00
+#define AC_VERB_GET_COEF_INDEX                  0x0d00
+#define AC_VERB_PARAMETERS                      0x0f00
+#define AC_VERB_GET_CONNECT_SEL                 0x0f01
+#define AC_VERB_GET_CONNECT_LIST                0x0f02
+#define AC_VERB_GET_PROC_STATE                  0x0f03
+#define AC_VERB_GET_SDI_SELECT                  0x0f04
+#define AC_VERB_GET_POWER_STATE                 0x0f05
+#define AC_VERB_GET_CONV                        0x0f06
+#define AC_VERB_GET_PIN_WIDGET_CONTROL          0x0f07
+#define AC_VERB_GET_UNSOLICITED_RESPONSE        0x0f08
+#define AC_VERB_GET_PIN_SENSE                   0x0f09
+#define AC_VERB_GET_BEEP_CONTROL                0x0f0a
+#define AC_VERB_GET_EAPD_BTLENABLE              0x0f0c
+#define AC_VERB_GET_DIGI_CONVERT                0x0f0d
+#define AC_VERB_GET_VOLUME_KNOB_CONTROL         0x0f0f
+/* f10-f1a: GPIO */
+#define AC_VERB_GET_CONFIG_DEFAULT              0x0f1c
+
+/*
+ * SET verbs
+ */
+#define AC_VERB_SET_STREAM_FORMAT               0x200
+#define AC_VERB_SET_AMP_GAIN_MUTE               0x300
+#define AC_VERB_SET_PROC_COEF                   0x400
+#define AC_VERB_SET_COEF_INDEX                  0x500
+#define AC_VERB_SET_CONNECT_SEL                 0x701
+#define AC_VERB_SET_PROC_STATE                  0x703
+#define AC_VERB_SET_SDI_SELECT                  0x704
+#define AC_VERB_SET_POWER_STATE                 0x705
+#define AC_VERB_SET_CHANNEL_STREAMID            0x706
+#define AC_VERB_SET_PIN_WIDGET_CONTROL          0x707
+#define AC_VERB_SET_UNSOLICITED_ENABLE          0x708
+#define AC_VERB_SET_PIN_SENSE                   0x709
+#define AC_VERB_SET_BEEP_CONTROL                0x70a
+#define AC_VERB_SET_EAPD_BTLENALBE              0x70c
+#define AC_VERB_SET_DIGI_CONVERT_1              0x70d
+#define AC_VERB_SET_DIGI_CONVERT_2              0x70e
+#define AC_VERB_SET_VOLUME_KNOB_CONTROL         0x70f
+#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_0      0x71c
+#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_1      0x71d
+#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_2      0x71e
+#define AC_VERB_SET_CONFIG_DEFAULT_BYTES_3      0x71f
+#define AC_VERB_SET_CODEC_RESET                 0x7ff
+
+/*
+ * Parameter IDs
+ */
+#define AC_PAR_VENDOR_ID                0x00
+#define AC_PAR_SUBSYSTEM_ID             0x01
+#define AC_PAR_REV_ID                   0x02
+#define AC_PAR_NODE_COUNT               0x04
+#define AC_PAR_FUNCTION_TYPE            0x05
+#define AC_PAR_AUDIO_FG_CAP             0x08
+#define AC_PAR_AUDIO_WIDGET_CAP         0x09
+#define AC_PAR_PCM                      0x0a
+#define AC_PAR_STREAM                   0x0b
+#define AC_PAR_PIN_CAP                  0x0c
+#define AC_PAR_AMP_IN_CAP               0x0d
+#define AC_PAR_CONNLIST_LEN             0x0e
+#define AC_PAR_POWER_STATE              0x0f
+#define AC_PAR_PROC_CAP                 0x10
+#define AC_PAR_GPIO_CAP                 0x11
+#define AC_PAR_AMP_OUT_CAP              0x12
+
+/*
+ * AC_VERB_PARAMETERS results (32bit)
+ */
+
+/* Function Group Type */
+#define AC_FGT_TYPE                     (0xff<<0)
+#define AC_FGT_TYPE_SHIFT               0
+#define AC_FGT_UNSOL_CAP                (1<<8)
+
+/* Audio Function Group Capabilities */
+#define AC_AFG_OUT_DELAY                (0xf<<0)
+#define AC_AFG_IN_DELAY                 (0xf<<8)
+#define AC_AFG_BEEP_GEN                 (1<<16)
+
+/* Audio Widget Capabilities */
+#define AC_WCAP_STEREO                  (1<<0)  /* stereo I/O */
+#define AC_WCAP_IN_AMP                  (1<<1)  /* AMP-in present */
+#define AC_WCAP_OUT_AMP                 (1<<2)  /* AMP-out present */
+#define AC_WCAP_AMP_OVRD                (1<<3)  /* AMP-parameter override */
+#define AC_WCAP_FORMAT_OVRD             (1<<4)  /* format override */
+#define AC_WCAP_STRIPE                  (1<<5)  /* stripe */
+#define AC_WCAP_PROC_WID                (1<<6)  /* Proc Widget */
+#define AC_WCAP_UNSOL_CAP               (1<<7)  /* Unsol capable */
+#define AC_WCAP_CONN_LIST               (1<<8)  /* connection list */
+#define AC_WCAP_DIGITAL                 (1<<9)  /* digital I/O */
+#define AC_WCAP_POWER                   (1<<10) /* power control */
+#define AC_WCAP_LR_SWAP                 (1<<11) /* L/R swap */
+#define AC_WCAP_DELAY                   (0xf<<16)
+#define AC_WCAP_DELAY_SHIFT             16
+#define AC_WCAP_TYPE                    (0xf<<20)
+#define AC_WCAP_TYPE_SHIFT              20
+
+/* supported PCM rates and bits */
+#define AC_SUPPCM_RATES                 (0xfff << 0)
+#define AC_SUPPCM_BITS_8                (1<<16)
+#define AC_SUPPCM_BITS_16               (1<<17)
+#define AC_SUPPCM_BITS_20               (1<<18)
+#define AC_SUPPCM_BITS_24               (1<<19)
+#define AC_SUPPCM_BITS_32               (1<<20)
+
+/* supported PCM stream format */
+#define AC_SUPFMT_PCM                   (1<<0)
+#define AC_SUPFMT_FLOAT32               (1<<1)
+#define AC_SUPFMT_AC3                   (1<<2)
+
+/* Pin widget capabilies */
+#define AC_PINCAP_IMP_SENSE             (1<<0)  /* impedance sense capable */
+#define AC_PINCAP_TRIG_REQ              (1<<1)  /* trigger required */
+#define AC_PINCAP_PRES_DETECT           (1<<2)  /* presence detect capable */
+#define AC_PINCAP_HP_DRV                (1<<3)  /* headphone drive capable */
+#define AC_PINCAP_OUT                   (1<<4)  /* output capable */
+#define AC_PINCAP_IN                    (1<<5)  /* input capable */
+#define AC_PINCAP_BALANCE               (1<<6)  /* balanced I/O capable */
+#define AC_PINCAP_VREF                  (7<<8)
+#define AC_PINCAP_VREF_SHIFT            8
+#define AC_PINCAP_EAPD                  (1<<16) /* EAPD capable */
+/* Vref status (used in pin cap and pin ctl) */
+#define AC_PIN_VREF_HIZ                 (1<<0)  /* Hi-Z */
+#define AC_PIN_VREF_50                  (1<<1)  /* 50% */
+#define AC_PIN_VREF_GRD                 (1<<2)  /* ground */
+#define AC_PIN_VREF_80                  (1<<4)  /* 80% */
+#define AC_PIN_VREF_100                 (1<<5)  /* 100% */
+
+
+/* Amplifier capabilities */
+#define AC_AMPCAP_OFFSET                (0x7f<<0)  /* 0dB offset */
+#define AC_AMPCAP_OFFSET_SHIFT          0
+#define AC_AMPCAP_NUM_STEPS             (0x7f<<8)  /* number of steps */
+#define AC_AMPCAP_NUM_STEPS_SHIFT       8
+#define AC_AMPCAP_STEP_SIZE             (0x7f<<16) /* step size 0-32dB in 0.25dB */
+#define AC_AMPCAP_STEP_SIZE_SHIFT       16
+#define AC_AMPCAP_MUTE                  (1<<31)    /* mute capable */
+#define AC_AMPCAP_MUTE_SHIFT            31
+
+/* Connection list */
+#define AC_CLIST_LENGTH                 (0x7f<<0)
+#define AC_CLIST_LONG                   (1<<7)
+
+/* Supported power status */
+#define AC_PWRST_D0SUP                  (1<<0)
+#define AC_PWRST_D1SUP                  (1<<1)
+#define AC_PWRST_D2SUP                  (1<<2)
+#define AC_PWRST_D3SUP                  (1<<3)
+
+/* Processing capabilies */
+#define AC_PCAP_BENIGN                  (1<<0)
+#define AC_PCAP_NUM_COEF                (0xff<<8)
+
+/* Volume knobs capabilities */
+#define AC_KNBCAP_NUM_STEPS             (0x7f<<0)
+#define AC_KNBCAP_DELTA                 (1<<8)
+
+/*
+ * Control Parameters
+ */
+
+/* Amp gain/mute */
+#define AC_AMP_MUTE                     (1<<8)
+#define AC_AMP_GAIN                     (0x7f)
+#define AC_AMP_GET_INDEX                (0xf<<0)
+
+#define AC_AMP_GET_LEFT                 (1<<13)
+#define AC_AMP_GET_RIGHT                (0<<13)
+#define AC_AMP_GET_OUTPUT               (1<<15)
+#define AC_AMP_GET_INPUT                (0<<15)
+
+#define AC_AMP_SET_INDEX                (0xf<<8)
+#define AC_AMP_SET_INDEX_SHIFT          8
+#define AC_AMP_SET_RIGHT                (1<<12)
+#define AC_AMP_SET_LEFT                 (1<<13)
+#define AC_AMP_SET_INPUT                (1<<14)
+#define AC_AMP_SET_OUTPUT               (1<<15)
+
+/* DIGITAL1 bits */
+#define AC_DIG1_ENABLE                  (1<<0)
+#define AC_DIG1_V                       (1<<1)
+#define AC_DIG1_VCFG                    (1<<2)
+#define AC_DIG1_EMPHASIS                (1<<3)
+#define AC_DIG1_COPYRIGHT               (1<<4)
+#define AC_DIG1_NONAUDIO                (1<<5)
+#define AC_DIG1_PROFESSIONAL            (1<<6)
+#define AC_DIG1_LEVEL                   (1<<7)
+
+/* Pin widget control - 8bit */
+#define AC_PINCTL_VREFEN                (0x7<<0)
+#define AC_PINCTL_IN_EN                 (1<<5)
+#define AC_PINCTL_OUT_EN                (1<<6)
+#define AC_PINCTL_HP_EN                 (1<<7)
+
+/* configuration default - 32bit */
+#define AC_DEFCFG_SEQUENCE              (0xf<<0)
+#define AC_DEFCFG_DEF_ASSOC             (0xf<<4)
+#define AC_DEFCFG_MISC                  (0xf<<8)
+#define AC_DEFCFG_COLOR                 (0xf<<12)
+#define AC_DEFCFG_COLOR_SHIFT           12
+#define AC_DEFCFG_CONN_TYPE             (0xf<<16)
+#define AC_DEFCFG_CONN_TYPE_SHIFT       16
+#define AC_DEFCFG_DEVICE                (0xf<<20)
+#define AC_DEFCFG_DEVICE_SHIFT          20
+#define AC_DEFCFG_LOCATION              (0x3f<<24)
+#define AC_DEFCFG_LOCATION_SHIFT        24
+#define AC_DEFCFG_PORT_CONN             (0x3<<30)
+#define AC_DEFCFG_PORT_CONN_SHIFT       30
+
+/* device device types (0x0-0xf) */
+enum {
+        AC_JACK_LINE_OUT,
+        AC_JACK_SPEAKER,
+        AC_JACK_HP_OUT,
+        AC_JACK_CD,
+        AC_JACK_SPDIF_OUT,
+        AC_JACK_DIG_OTHER_OUT,
+        AC_JACK_MODEM_LINE_SIDE,
+        AC_JACK_MODEM_HAND_SIDE,
+        AC_JACK_LINE_IN,
+        AC_JACK_AUX,
+        AC_JACK_MIC_IN,
+        AC_JACK_TELEPHONY,
+        AC_JACK_SPDIF_IN,
+        AC_JACK_DIG_OTHER_IN,
+        AC_JACK_OTHER = 0xf,
+};
+
+/* jack connection types (0x0-0xf) */
+enum {
+        AC_JACK_CONN_UNKNOWN,
+        AC_JACK_CONN_1_8,
+        AC_JACK_CONN_1_4,
+        AC_JACK_CONN_ATAPI,
+        AC_JACK_CONN_RCA,
+        AC_JACK_CONN_OPTICAL,
+        AC_JACK_CONN_OTHER_DIGITAL,
+        AC_JACK_CONN_OTHER_ANALOG,
+        AC_JACK_CONN_DIN,
+        AC_JACK_CONN_XLR,
+        AC_JACK_CONN_RJ11,
+        AC_JACK_CONN_COMB,
+        AC_JACK_CONN_OTHER = 0xf,
+};
+
+/* jack colors (0x0-0xf) */
+enum {
+        AC_JACK_COLOR_UNKNOWN,
+        AC_JACK_COLOR_BLACK,
+        AC_JACK_COLOR_GREY,
+        AC_JACK_COLOR_BLUE,
+        AC_JACK_COLOR_GREEN,
+        AC_JACK_COLOR_RED,
+        AC_JACK_COLOR_ORANGE,
+        AC_JACK_COLOR_YELLOW,
+        AC_JACK_COLOR_PURPLE,
+        AC_JACK_COLOR_PINK,
+        AC_JACK_COLOR_WHITE = 0xe,
+        AC_JACK_COLOR_OTHER,
+};
+
+/* Jack location (0x0-0x3f) */
+/* common case */
+enum {
+        AC_JACK_LOC_NONE,
+        AC_JACK_LOC_REAR,
+        AC_JACK_LOC_FRONT,
+        AC_JACK_LOC_LEFT,
+        AC_JACK_LOC_RIGHT,
+        AC_JACK_LOC_TOP,
+        AC_JACK_LOC_BOTTOM,
+};
+/* bits 4-5 */
+enum {
+        AC_JACK_LOC_EXTERNAL = 0x00,
+        AC_JACK_LOC_INTERNAL = 0x10,
+        AC_JACK_LOC_SEPARATE = 0x20,
+        AC_JACK_LOC_OTHER    = 0x30,
+};
+enum {
+        /* external on primary chasis */
+        AC_JACK_LOC_REAR_PANEL = 0x07,
+        AC_JACK_LOC_DRIVE_BAY,
+        /* internal */
+        AC_JACK_LOC_RISER = 0x17,
+        AC_JACK_LOC_HDMI,
+        AC_JACK_LOC_ATAPI,
+        /* others */
+        AC_JACK_LOC_MOBILE_IN = 0x37,
+        AC_JACK_LOC_MOBILE_OUT,
+};
+
+/* Port connectivity (0-3) */
+enum {
+        AC_JACK_PORT_COMPLEX,
+        AC_JACK_PORT_NONE,
+        AC_JACK_PORT_FIXED,
+        AC_JACK_PORT_BOTH,
+};
+
+/* max. connections to a widget */
+#define HDA_MAX_CONNECTIONS     16
+
+/* max. codec address */
+#define HDA_MAX_CODEC_ADDRESS   0x0f
+
+/*
+ * Structures
+ */
+
+struct hda_bus;
+struct hda_codec;
+struct hda_pcm;
+struct hda_pcm_stream;
+struct hda_bus_unsolicited;
+
+/* NID type */
+typedef u16 hda_nid_t;
+
+/* bus operators */
+struct hda_bus_ops {
+        /* send a single command */
+        int (*command)(struct hda_codec *codec, hda_nid_t nid, int direct,
+                       unsigned int verb, unsigned int parm);
+        /* get a response from the last command */
+        unsigned int (*get_response)(struct hda_codec *codec);
+        /* free the private data */
+        void (*private_free)(struct hda_bus *);
+};
+
+/* template to pass to the bus constructor */
+struct hda_bus_template {
+        void *private_data;
+        struct pci_dev *pci;
+        const char *modelname;
+        struct hda_bus_ops ops;
+};
+
+/*
+ * codec bus
+ *
+ * each controller needs to creata a hda_bus to assign the accessor.
+ * A hda_bus contains several codecs in the list codec_list.
+ */
+struct hda_bus {
+        snd_card_t *card;
+
+        /* copied from template */
+        void *private_data;
+        struct pci_dev *pci;
+        const char *modelname;
+        struct hda_bus_ops ops;
+
+        /* codec linked list */
+        struct list_head codec_list;
+        struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS]; /* caddr -> codec */
+
+        struct semaphore cmd_mutex;
+
+        /* unsolicited event queue */
+        struct hda_bus_unsolicited *unsol;
+
+        snd_info_entry_t *proc;
+};
+
+/*
+ * codec preset
+ *
+ * Known codecs have the patch to build and set up the controls/PCMs
+ * better than the generic parser.
+ */
+struct hda_codec_preset {
+        unsigned int id;
+        unsigned int mask;
+        unsigned int subs;
+        unsigned int subs_mask;
+        unsigned int rev;
+        const char *name;
+        int (*patch)(struct hda_codec *codec);
+};
+        
+/* ops set by the preset patch */
+struct hda_codec_ops {
+        int (*build_controls)(struct hda_codec *codec);
+        int (*build_pcms)(struct hda_codec *codec);
+        int (*init)(struct hda_codec *codec);
+        void (*free)(struct hda_codec *codec);
+        void (*unsol_event)(struct hda_codec *codec, unsigned int res);
+#ifdef CONFIG_PM
+        int (*suspend)(struct hda_codec *codec, pm_message_t state);
+        int (*resume)(struct hda_codec *codec);
+#endif
+};
+
+/* record for amp information cache */
+struct hda_amp_info {
+        u32 key;                /* hash key */
+        u32 amp_caps;           /* amp capabilities */
+        u16 vol[2];             /* current volume & mute*/
+        u16 status;             /* update flag */
+        u16 next;               /* next link */
+};
+
+/* PCM callbacks */
+struct hda_pcm_ops {
+        int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
+                    snd_pcm_substream_t *substream);
+        int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
+                     snd_pcm_substream_t *substream);
+        int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
+                       unsigned int stream_tag, unsigned int format,
+                       snd_pcm_substream_t *substream);
+        int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
+                       snd_pcm_substream_t *substream);
+};
+
+/* PCM information for each substream */
+struct hda_pcm_stream {
+        unsigned int substreams;        /* number of substreams, 0 = not exist */
+        unsigned int channels_min;      /* min. number of channels */
+        unsigned int channels_max;      /* max. number of channels */
+        hda_nid_t nid;  /* default NID to query rates/formats/bps, or set up */
+        u32 rates;      /* supported rates */
+        u64 formats;    /* supported formats (SNDRV_PCM_FMTBIT_) */
+        unsigned int maxbps;    /* supported max. bit per sample */
+        struct hda_pcm_ops ops;
+};
+
+/* for PCM creation */
+struct hda_pcm {
+        char *name;
+        struct hda_pcm_stream stream[2];
+};
+
+/* codec information */
+struct hda_codec {
+        struct hda_bus *bus;
+        unsigned int addr;      /* codec addr*/
+        struct list_head list;  /* list point */
+
+        hda_nid_t afg;  /* AFG node id */
+
+        /* ids */
+        u32 vendor_id;
+        u32 subsystem_id;
+        u32 revision_id;
+
+        /* detected preset */
+        const struct hda_codec_preset *preset;
+
+        /* set by patch */
+        struct hda_codec_ops patch_ops;
+
+        /* resume phase - all controls should update even if
+         * the values are not changed
+         */
+        unsigned int in_resume;
+
+        /* PCM to create, set by patch_ops.build_pcms callback */
+        unsigned int num_pcms;
+        struct hda_pcm *pcm_info;
+
+        /* codec specific info */
+        void *spec;
+
+        /* hash for amp access */
+        u16 amp_hash[32];
+        int num_amp_entries;
+        struct hda_amp_info amp_info[128]; /* big enough? */
+
+        struct semaphore spdif_mutex;
+        unsigned int spdif_status;      /* IEC958 status bits */
+        unsigned short spdif_ctls;      /* SPDIF control bits */
+        unsigned int spdif_in_enable;   /* SPDIF input enable? */
+};
+
+/* direction */
+enum {
+        HDA_INPUT, HDA_OUTPUT
+};
+
+
+/*
+ * constructors
+ */
+int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp,
+                    struct hda_bus **busp);
+int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr,
+                      struct hda_codec **codecp);
+
+/*
+ * low level functions
+ */
+unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct,
+                                unsigned int verb, unsigned int parm);
+int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct,
+                        unsigned int verb, unsigned int parm);
+#define snd_hda_param_read(codec, nid, param) snd_hda_codec_read(codec, nid, 0, AC_VERB_PARAMETERS, param)
+int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id);
+int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *conn_list, int max_conns);
+
+struct hda_verb {
+        hda_nid_t nid;
+        u32 verb;
+        u32 param;
+};
+
+void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq);
+
+/* unsolicited event */
+int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex);
+
+/*
+ * Mixer
+ */
+int snd_hda_build_controls(struct hda_bus *bus);
+
+/*
+ * PCM
+ */
+int snd_hda_build_pcms(struct hda_bus *bus);
+void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag,
+                                int channel_id, int format);
+unsigned int snd_hda_calc_stream_format(unsigned int rate, unsigned int channels,
+                                        unsigned int format, unsigned int maxbps);
+int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
+                                u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
+int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
+                                unsigned int format);
+
+/*
+ * Misc
+ */
+void snd_hda_get_codec_name(struct hda_codec *codec, char *name, int namelen);
+
+/*
+ * power management
+ */
+#ifdef CONFIG_PM
+int snd_hda_suspend(struct hda_bus *bus, pm_message_t state);
+int snd_hda_resume(struct hda_bus *bus);
+#endif
+
+#endif /* __SOUND_HDA_CODEC_H */