mirror of https://gitee.com/openkylin/linux.git
993 lines
29 KiB
C
993 lines
29 KiB
C
/*
|
|
* 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>
|
|
#include <sound/hwdep.h>
|
|
|
|
#if defined(CONFIG_PM) || defined(CONFIG_SND_HDA_POWER_SAVE)
|
|
#define SND_HDA_NEEDS_RESUME /* resume control code is required */
|
|
#endif
|
|
|
|
/*
|
|
* 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_1 0x0f0d
|
|
#define AC_VERB_GET_DIGI_CONVERT_2 0x0f0e /* unused */
|
|
#define AC_VERB_GET_VOLUME_KNOB_CONTROL 0x0f0f
|
|
/* f10-f1a: GPIO */
|
|
#define AC_VERB_GET_GPIO_DATA 0x0f15
|
|
#define AC_VERB_GET_GPIO_MASK 0x0f16
|
|
#define AC_VERB_GET_GPIO_DIRECTION 0x0f17
|
|
#define AC_VERB_GET_GPIO_WAKE_MASK 0x0f18
|
|
#define AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK 0x0f19
|
|
#define AC_VERB_GET_GPIO_STICKY_MASK 0x0f1a
|
|
#define AC_VERB_GET_CONFIG_DEFAULT 0x0f1c
|
|
/* f20: AFG/MFG */
|
|
#define AC_VERB_GET_SUBSYSTEM_ID 0x0f20
|
|
#define AC_VERB_GET_CVT_CHAN_COUNT 0x0f2d
|
|
#define AC_VERB_GET_HDMI_DIP_SIZE 0x0f2e
|
|
#define AC_VERB_GET_HDMI_ELDD 0x0f2f
|
|
#define AC_VERB_GET_HDMI_DIP_INDEX 0x0f30
|
|
#define AC_VERB_GET_HDMI_DIP_DATA 0x0f31
|
|
#define AC_VERB_GET_HDMI_DIP_XMIT 0x0f32
|
|
#define AC_VERB_GET_HDMI_CP_CTRL 0x0f33
|
|
#define AC_VERB_GET_HDMI_CHAN_SLOT 0x0f34
|
|
|
|
/*
|
|
* 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_BTLENABLE 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_GPIO_DATA 0x715
|
|
#define AC_VERB_SET_GPIO_MASK 0x716
|
|
#define AC_VERB_SET_GPIO_DIRECTION 0x717
|
|
#define AC_VERB_SET_GPIO_WAKE_MASK 0x718
|
|
#define AC_VERB_SET_GPIO_UNSOLICITED_RSP_MASK 0x719
|
|
#define AC_VERB_SET_GPIO_STICKY_MASK 0x71a
|
|
#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_EAPD 0x788
|
|
#define AC_VERB_SET_CODEC_RESET 0x7ff
|
|
#define AC_VERB_SET_CVT_CHAN_COUNT 0x72d
|
|
#define AC_VERB_SET_HDMI_DIP_INDEX 0x730
|
|
#define AC_VERB_SET_HDMI_DIP_DATA 0x731
|
|
#define AC_VERB_SET_HDMI_DIP_XMIT 0x732
|
|
#define AC_VERB_SET_HDMI_CP_CTRL 0x733
|
|
#define AC_VERB_SET_HDMI_CHAN_SLOT 0x734
|
|
|
|
/*
|
|
* 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
|
|
#define AC_PAR_VOL_KNB_CAP 0x13
|
|
#define AC_PAR_HDMI_LPCM_CAP 0x20
|
|
|
|
/*
|
|
* 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_CP_CAPS (1<<12) /* content protection */
|
|
#define AC_WCAP_CHAN_CNT_EXT (7<<13) /* channel count ext */
|
|
#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)
|
|
|
|
/* GP I/O count */
|
|
#define AC_GPIO_IO_COUNT (0xff<<0)
|
|
#define AC_GPIO_O_COUNT (0xff<<8)
|
|
#define AC_GPIO_O_COUNT_SHIFT 8
|
|
#define AC_GPIO_I_COUNT (0xff<<16)
|
|
#define AC_GPIO_I_COUNT_SHIFT 16
|
|
#define AC_GPIO_UNSOLICITED (1<<30)
|
|
#define AC_GPIO_WAKE (1<<31)
|
|
|
|
/* Converter stream, channel */
|
|
#define AC_CONV_CHANNEL (0xf<<0)
|
|
#define AC_CONV_STREAM (0xf<<4)
|
|
#define AC_CONV_STREAM_SHIFT 4
|
|
|
|
/* Input converter SDI select */
|
|
#define AC_SDI_SELECT (0xf<<0)
|
|
|
|
/* Unsolicited response control */
|
|
#define AC_UNSOL_TAG (0x3f<<0)
|
|
#define AC_UNSOL_ENABLED (1<<7)
|
|
#define AC_USRSP_EN AC_UNSOL_ENABLED
|
|
|
|
/* Unsolicited responses */
|
|
#define AC_UNSOL_RES_TAG (0x3f<<26)
|
|
#define AC_UNSOL_RES_TAG_SHIFT 26
|
|
#define AC_UNSOL_RES_SUBTAG (0x1f<<21)
|
|
#define AC_UNSOL_RES_SUBTAG_SHIFT 21
|
|
#define AC_UNSOL_RES_ELDV (1<<1) /* ELD Data valid (for HDMI) */
|
|
#define AC_UNSOL_RES_PD (1<<0) /* pinsense detect */
|
|
#define AC_UNSOL_RES_CP_STATE (1<<1) /* content protection */
|
|
#define AC_UNSOL_RES_CP_READY (1<<0) /* content protection */
|
|
|
|
/* 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 */
|
|
/* Note: This LR_SWAP pincap is defined in the Realtek ALC883 specification,
|
|
* but is marked reserved in the Intel HDA specification.
|
|
*/
|
|
#define AC_PINCAP_LR_SWAP (1<<7) /* L/R swap */
|
|
/* Note: The same bit as LR_SWAP is newly defined as HDMI capability
|
|
* in HD-audio specification
|
|
*/
|
|
#define AC_PINCAP_HDMI (1<<7) /* HDMI pin */
|
|
#define AC_PINCAP_DP (1<<24) /* DisplayPort pin, can
|
|
* coexist with AC_PINCAP_HDMI
|
|
*/
|
|
#define AC_PINCAP_VREF (0x37<<8)
|
|
#define AC_PINCAP_VREF_SHIFT 8
|
|
#define AC_PINCAP_EAPD (1<<16) /* EAPD capable */
|
|
#define AC_PINCAP_HBR (1<<27) /* High Bit Rate */
|
|
/* Vref status (used in pin cap) */
|
|
#define AC_PINCAP_VREF_HIZ (1<<0) /* Hi-Z */
|
|
#define AC_PINCAP_VREF_50 (1<<1) /* 50% */
|
|
#define AC_PINCAP_VREF_GRD (1<<2) /* ground */
|
|
#define AC_PINCAP_VREF_80 (1<<4) /* 80% */
|
|
#define AC_PINCAP_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)
|
|
#define AC_PWRST_D3COLDSUP (1<<4)
|
|
#define AC_PWRST_S3D3COLDSUP (1<<29)
|
|
#define AC_PWRST_CLKSTOP (1<<30)
|
|
#define AC_PWRST_EPSS (1U<<31)
|
|
|
|
/* Power state values */
|
|
#define AC_PWRST_SETTING (0xf<<0)
|
|
#define AC_PWRST_ACTUAL (0xf<<4)
|
|
#define AC_PWRST_ACTUAL_SHIFT 4
|
|
#define AC_PWRST_D0 0x00
|
|
#define AC_PWRST_D1 0x01
|
|
#define AC_PWRST_D2 0x02
|
|
#define AC_PWRST_D3 0x03
|
|
|
|
/* Processing capabilies */
|
|
#define AC_PCAP_BENIGN (1<<0)
|
|
#define AC_PCAP_NUM_COEF (0xff<<8)
|
|
#define AC_PCAP_NUM_COEF_SHIFT 8
|
|
|
|
/* Volume knobs capabilities */
|
|
#define AC_KNBCAP_NUM_STEPS (0x7f<<0)
|
|
#define AC_KNBCAP_DELTA (1<<7)
|
|
|
|
/* HDMI LPCM capabilities */
|
|
#define AC_LPCMCAP_48K_CP_CHNS (0x0f<<0) /* max channels w/ CP-on */
|
|
#define AC_LPCMCAP_48K_NO_CHNS (0x0f<<4) /* max channels w/o CP-on */
|
|
#define AC_LPCMCAP_48K_20BIT (1<<8) /* 20b bitrate supported */
|
|
#define AC_LPCMCAP_48K_24BIT (1<<9) /* 24b bitrate supported */
|
|
#define AC_LPCMCAP_96K_CP_CHNS (0x0f<<10) /* max channels w/ CP-on */
|
|
#define AC_LPCMCAP_96K_NO_CHNS (0x0f<<14) /* max channels w/o CP-on */
|
|
#define AC_LPCMCAP_96K_20BIT (1<<18) /* 20b bitrate supported */
|
|
#define AC_LPCMCAP_96K_24BIT (1<<19) /* 24b bitrate supported */
|
|
#define AC_LPCMCAP_192K_CP_CHNS (0x0f<<20) /* max channels w/ CP-on */
|
|
#define AC_LPCMCAP_192K_NO_CHNS (0x0f<<24) /* max channels w/o CP-on */
|
|
#define AC_LPCMCAP_192K_20BIT (1<<28) /* 20b bitrate supported */
|
|
#define AC_LPCMCAP_192K_24BIT (1<<29) /* 24b bitrate supported */
|
|
#define AC_LPCMCAP_44K (1<<30) /* 44.1kHz support */
|
|
#define AC_LPCMCAP_44K_MS (1<<31) /* 44.1kHz-multiplies support */
|
|
|
|
/*
|
|
* Control Parameters
|
|
*/
|
|
|
|
/* Amp gain/mute */
|
|
#define AC_AMP_MUTE (1<<7)
|
|
#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)
|
|
|
|
/* DIGITAL2 bits */
|
|
#define AC_DIG2_CC (0x7f<<0)
|
|
|
|
/* Pin widget control - 8bit */
|
|
#define AC_PINCTL_VREFEN (0x7<<0)
|
|
#define AC_PINCTL_VREF_HIZ 0 /* Hi-Z */
|
|
#define AC_PINCTL_VREF_50 1 /* 50% */
|
|
#define AC_PINCTL_VREF_GRD 2 /* ground */
|
|
#define AC_PINCTL_VREF_80 4 /* 80% */
|
|
#define AC_PINCTL_VREF_100 5 /* 100% */
|
|
#define AC_PINCTL_IN_EN (1<<5)
|
|
#define AC_PINCTL_OUT_EN (1<<6)
|
|
#define AC_PINCTL_HP_EN (1<<7)
|
|
|
|
/* Pin sense - 32bit */
|
|
#define AC_PINSENSE_IMPEDANCE_MASK (0x7fffffff)
|
|
#define AC_PINSENSE_PRESENCE (1<<31)
|
|
#define AC_PINSENSE_ELDV (1<<30) /* ELD valid (HDMI) */
|
|
|
|
/* EAPD/BTL enable - 32bit */
|
|
#define AC_EAPDBTL_BALANCED (1<<0)
|
|
#define AC_EAPDBTL_EAPD (1<<1)
|
|
#define AC_EAPDBTL_LR_SWAP (1<<2)
|
|
|
|
/* HDMI ELD data */
|
|
#define AC_ELDD_ELD_VALID (1<<31)
|
|
#define AC_ELDD_ELD_DATA 0xff
|
|
|
|
/* HDMI DIP size */
|
|
#define AC_DIPSIZE_ELD_BUF (1<<3) /* ELD buf size of packet size */
|
|
#define AC_DIPSIZE_PACK_IDX (0x07<<0) /* packet index */
|
|
|
|
/* HDMI DIP index */
|
|
#define AC_DIPIDX_PACK_IDX (0x07<<5) /* packet idnex */
|
|
#define AC_DIPIDX_BYTE_IDX (0x1f<<0) /* byte index */
|
|
|
|
/* HDMI DIP xmit (transmit) control */
|
|
#define AC_DIPXMIT_MASK (0x3<<6)
|
|
#define AC_DIPXMIT_DISABLE (0x0<<6) /* disable xmit */
|
|
#define AC_DIPXMIT_ONCE (0x2<<6) /* xmit once then disable */
|
|
#define AC_DIPXMIT_BEST (0x3<<6) /* best effort */
|
|
|
|
/* HDMI content protection (CP) control */
|
|
#define AC_CPCTRL_CES (1<<9) /* current encryption state */
|
|
#define AC_CPCTRL_READY (1<<8) /* ready bit */
|
|
#define AC_CPCTRL_SUBTAG (0x1f<<3) /* subtag for unsol-resp */
|
|
#define AC_CPCTRL_STATE (3<<0) /* current CP request state */
|
|
|
|
/* Converter channel <-> HDMI slot mapping */
|
|
#define AC_CVTMAP_HDMI_SLOT (0xf<<0) /* HDMI slot number */
|
|
#define AC_CVTMAP_CHAN (0xf<<4) /* converter channel number */
|
|
|
|
/* configuration default - 32bit */
|
|
#define AC_DEFCFG_SEQUENCE (0xf<<0)
|
|
#define AC_DEFCFG_DEF_ASSOC (0xf<<4)
|
|
#define AC_DEFCFG_ASSOC_SHIFT 4
|
|
#define AC_DEFCFG_MISC (0xf<<8)
|
|
#define AC_DEFCFG_MISC_SHIFT 8
|
|
#define AC_DEFCFG_MISC_NO_PRESENCE (1<<0)
|
|
#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 32
|
|
|
|
/* max. codec address */
|
|
#define HDA_MAX_CODEC_ADDRESS 0x0f
|
|
|
|
/* max number of PCM devics per card */
|
|
#define HDA_MAX_PCMS 10
|
|
|
|
/*
|
|
* generic arrays
|
|
*/
|
|
struct snd_array {
|
|
unsigned int used;
|
|
unsigned int alloced;
|
|
unsigned int elem_size;
|
|
unsigned int alloc_align;
|
|
void *list;
|
|
};
|
|
|
|
void *snd_array_new(struct snd_array *array);
|
|
void snd_array_free(struct snd_array *array);
|
|
static inline void snd_array_init(struct snd_array *array, unsigned int size,
|
|
unsigned int align)
|
|
{
|
|
array->elem_size = size;
|
|
array->alloc_align = align;
|
|
}
|
|
|
|
static inline void *snd_array_elem(struct snd_array *array, unsigned int idx)
|
|
{
|
|
return array->list + idx * array->elem_size;
|
|
}
|
|
|
|
static inline unsigned int snd_array_index(struct snd_array *array, void *ptr)
|
|
{
|
|
return (unsigned long)(ptr - array->list) / array->elem_size;
|
|
}
|
|
|
|
/*
|
|
* Structures
|
|
*/
|
|
|
|
struct hda_bus;
|
|
struct hda_beep;
|
|
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_bus *bus, unsigned int cmd);
|
|
/* get a response from the last command */
|
|
unsigned int (*get_response)(struct hda_bus *bus, unsigned int addr);
|
|
/* free the private data */
|
|
void (*private_free)(struct hda_bus *);
|
|
/* attach a PCM stream */
|
|
int (*attach_pcm)(struct hda_bus *bus, struct hda_codec *codec,
|
|
struct hda_pcm *pcm);
|
|
/* reset bus for retry verb */
|
|
void (*bus_reset)(struct hda_bus *bus);
|
|
#ifdef CONFIG_SND_HDA_POWER_SAVE
|
|
/* notify power-up/down from codec to controller */
|
|
void (*pm_notify)(struct hda_bus *bus);
|
|
#endif
|
|
};
|
|
|
|
/* template to pass to the bus constructor */
|
|
struct hda_bus_template {
|
|
void *private_data;
|
|
struct pci_dev *pci;
|
|
const char *modelname;
|
|
int *power_save;
|
|
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 {
|
|
struct snd_card *card;
|
|
|
|
/* copied from template */
|
|
void *private_data;
|
|
struct pci_dev *pci;
|
|
const char *modelname;
|
|
int *power_save;
|
|
struct hda_bus_ops ops;
|
|
|
|
/* codec linked list */
|
|
struct list_head codec_list;
|
|
/* link caddr -> codec */
|
|
struct hda_codec *caddr_tbl[HDA_MAX_CODEC_ADDRESS + 1];
|
|
|
|
struct mutex cmd_mutex;
|
|
|
|
/* unsolicited event queue */
|
|
struct hda_bus_unsolicited *unsol;
|
|
char workq_name[16];
|
|
struct workqueue_struct *workq; /* common workqueue for codecs */
|
|
|
|
/* assigned PCMs */
|
|
DECLARE_BITMAP(pcm_dev_bits, SNDRV_PCM_DEVICES);
|
|
|
|
/* misc op flags */
|
|
unsigned int needs_damn_long_delay :1;
|
|
unsigned int allow_bus_reset:1; /* allow bus reset at fatal error */
|
|
unsigned int sync_write:1; /* sync after verb write */
|
|
/* status for codec/controller */
|
|
unsigned int shutdown :1; /* being unloaded */
|
|
unsigned int rirb_error:1; /* error in codec communication */
|
|
unsigned int response_reset:1; /* controller was reset */
|
|
unsigned int in_reset:1; /* during reset operation */
|
|
unsigned int power_keep_link_on:1; /* don't power off HDA link */
|
|
};
|
|
|
|
/*
|
|
* 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;
|
|
hda_nid_t afg, mfg;
|
|
const char *name;
|
|
int (*patch)(struct hda_codec *codec);
|
|
};
|
|
|
|
struct hda_codec_preset_list {
|
|
const struct hda_codec_preset *preset;
|
|
struct module *owner;
|
|
struct list_head list;
|
|
};
|
|
|
|
/* initial hook */
|
|
int snd_hda_add_codec_preset(struct hda_codec_preset_list *preset);
|
|
int snd_hda_delete_codec_preset(struct hda_codec_preset_list *preset);
|
|
|
|
/* 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 SND_HDA_NEEDS_RESUME
|
|
int (*suspend)(struct hda_codec *codec, pm_message_t state);
|
|
int (*resume)(struct hda_codec *codec);
|
|
#endif
|
|
#ifdef CONFIG_SND_HDA_POWER_SAVE
|
|
int (*check_power_status)(struct hda_codec *codec, hda_nid_t nid);
|
|
#endif
|
|
void (*reboot_notify)(struct hda_codec *codec);
|
|
};
|
|
|
|
/* record for amp information cache */
|
|
struct hda_cache_head {
|
|
u32 key; /* hash key */
|
|
u16 val; /* assigned value */
|
|
u16 next; /* next link; -1 = terminal */
|
|
};
|
|
|
|
struct hda_amp_info {
|
|
struct hda_cache_head head;
|
|
u32 amp_caps; /* amp capabilities */
|
|
u16 vol[2]; /* current volume & mute */
|
|
};
|
|
|
|
struct hda_cache_rec {
|
|
u16 hash[64]; /* hash table for index */
|
|
struct snd_array buf; /* record entries */
|
|
};
|
|
|
|
/* PCM callbacks */
|
|
struct hda_pcm_ops {
|
|
int (*open)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream);
|
|
int (*close)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
|
struct snd_pcm_substream *substream);
|
|
int (*prepare)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
|
unsigned int stream_tag, unsigned int format,
|
|
struct snd_pcm_substream *substream);
|
|
int (*cleanup)(struct hda_pcm_stream *info, struct hda_codec *codec,
|
|
struct snd_pcm_substream *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;
|
|
};
|
|
|
|
/* PCM types */
|
|
enum {
|
|
HDA_PCM_TYPE_AUDIO,
|
|
HDA_PCM_TYPE_SPDIF,
|
|
HDA_PCM_TYPE_HDMI,
|
|
HDA_PCM_TYPE_MODEM,
|
|
HDA_PCM_NTYPES
|
|
};
|
|
|
|
/* for PCM creation */
|
|
struct hda_pcm {
|
|
char *name;
|
|
struct hda_pcm_stream stream[2];
|
|
unsigned int pcm_type; /* HDA_PCM_TYPE_XXX */
|
|
int device; /* device number to assign */
|
|
struct snd_pcm *pcm; /* assigned PCM instance */
|
|
};
|
|
|
|
/* 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 */
|
|
hda_nid_t mfg; /* MFG node id */
|
|
|
|
/* ids */
|
|
u32 function_id;
|
|
u32 vendor_id;
|
|
u32 subsystem_id;
|
|
u32 revision_id;
|
|
|
|
/* detected preset */
|
|
const struct hda_codec_preset *preset;
|
|
struct module *owner;
|
|
const char *vendor_name; /* codec vendor name */
|
|
const char *chip_name; /* codec chip name */
|
|
const char *modelname; /* model name for preset */
|
|
|
|
/* set by patch */
|
|
struct hda_codec_ops patch_ops;
|
|
|
|
/* PCM to create, set by patch_ops.build_pcms callback */
|
|
unsigned int num_pcms;
|
|
struct hda_pcm *pcm_info;
|
|
|
|
/* codec specific info */
|
|
void *spec;
|
|
|
|
/* beep device */
|
|
struct hda_beep *beep;
|
|
unsigned int beep_mode;
|
|
|
|
/* widget capabilities cache */
|
|
unsigned int num_nodes;
|
|
hda_nid_t start_nid;
|
|
u32 *wcaps;
|
|
|
|
struct snd_array mixers; /* list of assigned mixer elements */
|
|
struct snd_array nids; /* list of mapped mixer elements */
|
|
|
|
struct hda_cache_rec amp_cache; /* cache for amp access */
|
|
struct hda_cache_rec cmd_cache; /* cache for other commands */
|
|
|
|
struct mutex spdif_mutex;
|
|
struct mutex control_mutex;
|
|
unsigned int spdif_status; /* IEC958 status bits */
|
|
unsigned short spdif_ctls; /* SPDIF control bits */
|
|
unsigned int spdif_in_enable; /* SPDIF input enable? */
|
|
hda_nid_t *slave_dig_outs; /* optional digital out slave widgets */
|
|
struct snd_array init_pins; /* initial (BIOS) pin configurations */
|
|
struct snd_array driver_pins; /* pin configs set by codec parser */
|
|
|
|
#ifdef CONFIG_SND_HDA_HWDEP
|
|
struct snd_hwdep *hwdep; /* assigned hwdep device */
|
|
struct snd_array init_verbs; /* additional init verbs */
|
|
struct snd_array hints; /* additional hints */
|
|
struct snd_array user_pins; /* default pin configs to override */
|
|
#endif
|
|
|
|
/* misc flags */
|
|
unsigned int spdif_status_reset :1; /* needs to toggle SPDIF for each
|
|
* status change
|
|
* (e.g. Realtek codecs)
|
|
*/
|
|
unsigned int pin_amp_workaround:1; /* pin out-amp takes index
|
|
* (e.g. Conexant codecs)
|
|
*/
|
|
unsigned int pins_shutup:1; /* pins are shut up */
|
|
unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
|
|
#ifdef CONFIG_SND_HDA_POWER_SAVE
|
|
unsigned int power_on :1; /* current (global) power-state */
|
|
unsigned int power_transition :1; /* power-state in transition */
|
|
int power_count; /* current (global) power refcount */
|
|
struct delayed_work power_work; /* delayed task for powerdown */
|
|
unsigned long power_on_acct;
|
|
unsigned long power_off_acct;
|
|
unsigned long power_jiffies;
|
|
#endif
|
|
|
|
/* codec-specific additional proc output */
|
|
void (*proc_widget_hook)(struct snd_info_buffer *buffer,
|
|
struct hda_codec *codec, hda_nid_t nid);
|
|
};
|
|
|
|
/* direction */
|
|
enum {
|
|
HDA_INPUT, HDA_OUTPUT
|
|
};
|
|
|
|
|
|
/*
|
|
* constructors
|
|
*/
|
|
int snd_hda_bus_new(struct snd_card *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);
|
|
int snd_hda_codec_configure(struct hda_codec *codec);
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/* cached write */
|
|
#ifdef SND_HDA_NEEDS_RESUME
|
|
int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
|
|
int direct, unsigned int verb, unsigned int parm);
|
|
void snd_hda_sequence_write_cache(struct hda_codec *codec,
|
|
const struct hda_verb *seq);
|
|
int snd_hda_codec_update_cache(struct hda_codec *codec, hda_nid_t nid,
|
|
int direct, unsigned int verb, unsigned int parm);
|
|
void snd_hda_codec_resume_cache(struct hda_codec *codec);
|
|
#else
|
|
#define snd_hda_codec_write_cache snd_hda_codec_write
|
|
#define snd_hda_codec_update_cache snd_hda_codec_write
|
|
#define snd_hda_sequence_write_cache snd_hda_sequence_write
|
|
#endif
|
|
|
|
/* the struct for codec->pin_configs */
|
|
struct hda_pincfg {
|
|
hda_nid_t nid;
|
|
unsigned char ctrl; /* current pin control value */
|
|
unsigned char pad; /* reserved */
|
|
unsigned int cfg; /* default configuration */
|
|
};
|
|
|
|
unsigned int snd_hda_codec_get_pincfg(struct hda_codec *codec, hda_nid_t nid);
|
|
int snd_hda_codec_set_pincfg(struct hda_codec *codec, hda_nid_t nid,
|
|
unsigned int cfg);
|
|
int snd_hda_add_pincfg(struct hda_codec *codec, struct snd_array *list,
|
|
hda_nid_t nid, unsigned int cfg); /* for hwdep */
|
|
void snd_hda_shutup_pins(struct hda_codec *codec);
|
|
|
|
/*
|
|
* Mixer
|
|
*/
|
|
int snd_hda_build_controls(struct hda_bus *bus);
|
|
int snd_hda_codec_build_controls(struct hda_codec *codec);
|
|
|
|
/*
|
|
* PCM
|
|
*/
|
|
int snd_hda_build_pcms(struct hda_bus *bus);
|
|
int snd_hda_codec_build_pcms(struct hda_codec *codec);
|
|
void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid,
|
|
u32 stream_tag,
|
|
int channel_id, int format);
|
|
void snd_hda_codec_cleanup_stream(struct hda_codec *codec, hda_nid_t nid);
|
|
unsigned int snd_hda_calc_stream_format(unsigned int rate,
|
|
unsigned int channels,
|
|
unsigned int format,
|
|
unsigned int maxbps);
|
|
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);
|
|
void snd_hda_bus_reboot_notify(struct hda_bus *bus);
|
|
|
|
/*
|
|
* power management
|
|
*/
|
|
#ifdef CONFIG_PM
|
|
int snd_hda_suspend(struct hda_bus *bus);
|
|
int snd_hda_resume(struct hda_bus *bus);
|
|
#endif
|
|
|
|
/*
|
|
* get widget information
|
|
*/
|
|
const char *snd_hda_get_jack_connectivity(u32 cfg);
|
|
const char *snd_hda_get_jack_type(u32 cfg);
|
|
const char *snd_hda_get_jack_location(u32 cfg);
|
|
|
|
/*
|
|
* power saving
|
|
*/
|
|
#ifdef CONFIG_SND_HDA_POWER_SAVE
|
|
void snd_hda_power_up(struct hda_codec *codec);
|
|
void snd_hda_power_down(struct hda_codec *codec);
|
|
#define snd_hda_codec_needs_resume(codec) codec->power_count
|
|
void snd_hda_update_power_acct(struct hda_codec *codec);
|
|
#else
|
|
static inline void snd_hda_power_up(struct hda_codec *codec) {}
|
|
static inline void snd_hda_power_down(struct hda_codec *codec) {}
|
|
#define snd_hda_codec_needs_resume(codec) 1
|
|
#endif
|
|
|
|
#ifdef CONFIG_SND_HDA_PATCH_LOADER
|
|
/*
|
|
* patch firmware
|
|
*/
|
|
int snd_hda_load_patch(struct hda_bus *bus, const char *patch);
|
|
#endif
|
|
|
|
/*
|
|
* Codec modularization
|
|
*/
|
|
|
|
/* Export symbols only for communication with codec drivers;
|
|
* When built in kernel, all HD-audio drivers are supposed to be statically
|
|
* linked to the kernel. Thus, the symbols don't have to (or shouldn't) be
|
|
* exported unless it's built as a module.
|
|
*/
|
|
#ifdef MODULE
|
|
#define EXPORT_SYMBOL_HDA(sym) EXPORT_SYMBOL_GPL(sym)
|
|
#else
|
|
#define EXPORT_SYMBOL_HDA(sym)
|
|
#endif
|
|
|
|
#endif /* __SOUND_HDA_CODEC_H */
|