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linux/sound/pci/hda/hda_codec.h
Takashi Iwai 873ce8ad50 ALSA: hda - Drop bus->avoid_link_reset flag 
Use bus->power_keep_link_on instead.  The controller shouldn't go to
D3 when the link isn't reset, so essentially avoiding the link reset
means avoiding the runtime PM.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2013-11-26 13:40:14 +01:00

1241 lines
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/*
* 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>
/*
* 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
#define AC_VERB_GET_DEVICE_SEL 0xf35
#define AC_VERB_GET_DEVICE_LIST 0xf36
/*
* 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
#define AC_VERB_SET_DEVICE_SEL 0x735
/*
* 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_DEVLIST_LEN 0x15
#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)
/* stream format id */
#define AC_FMT_CHAN_SHIFT 0
#define AC_FMT_CHAN_MASK (0x0f << 0)
#define AC_FMT_BITS_SHIFT 4
#define AC_FMT_BITS_MASK (7 << 4)
#define AC_FMT_BITS_8 (0 << 4)
#define AC_FMT_BITS_16 (1 << 4)
#define AC_FMT_BITS_20 (2 << 4)
#define AC_FMT_BITS_24 (3 << 4)
#define AC_FMT_BITS_32 (4 << 4)
#define AC_FMT_DIV_SHIFT 8
#define AC_FMT_DIV_MASK (7 << 8)
#define AC_FMT_MULT_SHIFT 11
#define AC_FMT_MULT_MASK (7 << 11)
#define AC_FMT_BASE_SHIFT 14
#define AC_FMT_BASE_48K (0 << 14)
#define AC_FMT_BASE_44K (1 << 14)
#define AC_FMT_TYPE_SHIFT 15
#define AC_FMT_TYPE_PCM (0 << 15)
#define AC_FMT_TYPE_NON_PCM (1 << 15)
/* 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_DE (0x3f<<15) /* Device Entry
* (for DP1.2 MST)
*/
#define AC_UNSOL_RES_DE_SHIFT 15
#define AC_UNSOL_RES_IA (1<<2) /* Inactive (for DP1.2 MST) */
#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
/* driver-specific amp-caps: using bits 24-30 */
#define AC_AMPCAP_MIN_MUTE (1 << 30) /* min-volume = mute */
/* 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
#define AC_PWRST_ERROR (1<<8)
#define AC_PWRST_CLK_STOP_OK (1<<9)
#define AC_PWRST_SETTING_RESET (1<<10)
/* 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 */
/* Display pin's device list length */
#define AC_DEV_LIST_LEN_MASK 0x3f
#define AC_MAX_DEV_LIST_LEN 64
/*
* 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)
/* DIGITAL3 bits */
#define AC_DIG3_ICT (0xf<<0)
#define AC_DIG3_KAE (1<<7)
/* Pin widget control - 8bit */
#define AC_PINCTL_EPT (0x3<<0)
#define AC_PINCTL_EPT_NATIVE 0
#define AC_PINCTL_EPT_HBR 3
#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
/* Display pin's device list entry */
#define AC_DE_PD (1<<0)
#define AC_DE_ELDV (1<<1)
#define AC_DE_IA (1<<2)
/* 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. codec address */
#define HDA_MAX_CODEC_ADDRESS 0x0f
/*
* 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_PM
/* notify power-up/down from codec to controller */
void (*pm_notify)(struct hda_bus *bus, bool power_up);
#endif
#ifdef CONFIG_SND_HDA_DSP_LOADER
/* prepare DSP transfer */
int (*load_dsp_prepare)(struct hda_bus *bus, unsigned int format,
unsigned int byte_size,
struct snd_dma_buffer *bufp);
/* start/stop DSP transfer */
void (*load_dsp_trigger)(struct hda_bus *bus, bool start);
/* clean up DSP transfer */
void (*load_dsp_cleanup)(struct hda_bus *bus,
struct snd_dma_buffer *dmab);
#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;
struct mutex prepare_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 */
unsigned int no_response_fallback:1; /* don't fallback at RIRB error */
int primary_dig_out_type; /* primary digital out PCM type */
};
/*
* 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);
void (*set_power_state)(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state);
#ifdef CONFIG_PM
int (*suspend)(struct hda_codec *codec);
int (*resume)(struct hda_codec *codec);
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:31; /* hash key */
u32 dirty:1;
u16 val; /* assigned value */
u16 next;
};
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);
unsigned int (*get_delay)(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 */
const struct snd_pcm_chmap_elem *chmap; /* chmap to override */
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 */
bool own_chmap; /* codec driver provides own channel maps */
};
/* 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 */
u8 afg_function_id;
u8 mfg_function_id;
u8 afg_unsol;
u8 mfg_unsol;
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 list_head conn_list; /* linked-list of connection-list */
struct mutex spdif_mutex;
struct mutex control_mutex;
struct mutex hash_mutex;
struct snd_array spdif_out;
unsigned int spdif_in_enable; /* SPDIF input enable? */
const 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 */
struct snd_array cvt_setups; /* audio convert setups */
#ifdef CONFIG_SND_HDA_HWDEP
struct mutex user_mutex;
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 single_adc_amp:1; /* adc in-amp takes no index
* (e.g. CX20549 codec)
*/
unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
unsigned int pins_shutup:1; /* pins are shut up */
unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
unsigned int no_jack_detect:1; /* Machine has no jack-detection */
unsigned int inv_eapd:1; /* broken h/w: inverted EAPD control */
unsigned int inv_jack_detect:1; /* broken h/w: inverted detection bit */
unsigned int pcm_format_first:1; /* PCM format must be set first */
unsigned int epss:1; /* supporting EPSS? */
unsigned int cached_write:1; /* write only to caches */
unsigned int dp_mst:1; /* support DP1.2 Multi-stream transport */
#ifdef CONFIG_PM
unsigned int power_on :1; /* current (global) power-state */
unsigned int d3_stop_clk:1; /* support D3 operation without BCLK */
unsigned int pm_down_notified:1; /* PM notified to controller */
unsigned int in_pm:1; /* suspend/resume being performed */
int power_transition; /* 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;
spinlock_t power_lock;
#endif
/* filter the requested power state per nid */
unsigned int (*power_filter)(struct hda_codec *codec, hda_nid_t nid,
unsigned int power_state);
/* codec-specific additional proc output */
void (*proc_widget_hook)(struct snd_info_buffer *buffer,
struct hda_codec *codec, hda_nid_t nid);
/* jack detection */
struct snd_array jacktbl;
unsigned long jackpoll_interval; /* In jiffies. Zero means no poll, rely on unsol events */
struct delayed_work jackpoll_work;
#ifdef CONFIG_SND_HDA_INPUT_JACK
/* jack detection */
struct snd_array jacks;
#endif
/* fix-up list */
int fixup_id;
const struct hda_fixup *fixup_list;
const char *fixup_name;
/* additional init verbs */
struct snd_array verbs;
};
/* direction */
enum {
HDA_INPUT, HDA_OUTPUT
};
/* snd_hda_codec_read/write optional flags */
#define HDA_RW_NO_RESPONSE_FALLBACK (1 << 0)
/*
* 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);
int snd_hda_codec_update_widgets(struct hda_codec *codec);
/*
* low level functions
*/
unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid,
int flags,
unsigned int verb, unsigned int parm);
int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int flags,
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);
static inline int
snd_hda_get_num_conns(struct hda_codec *codec, hda_nid_t nid)
{
return snd_hda_get_connections(codec, nid, NULL, 0);
}
int snd_hda_get_num_raw_conns(struct hda_codec *codec, hda_nid_t nid);
int snd_hda_get_raw_connections(struct hda_codec *codec, hda_nid_t nid,
hda_nid_t *conn_list, int max_conns);
int snd_hda_get_conn_list(struct hda_codec *codec, hda_nid_t nid,
const hda_nid_t **listp);
int snd_hda_override_conn_list(struct hda_codec *codec, hda_nid_t nid, int nums,
const hda_nid_t *list);
int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux,
hda_nid_t nid, int recursive);
int snd_hda_get_devices(struct hda_codec *codec, hda_nid_t nid,
u8 *dev_list, int max_devices);
int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
u32 *ratesp, u64 *formatsp, unsigned int *bpsp);
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 */
int snd_hda_codec_write_cache(struct hda_codec *codec, hda_nid_t nid,
int flags, 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 flags, unsigned int verb, unsigned int parm);
void snd_hda_codec_resume_cache(struct hda_codec *codec);
/* both for cmd & amp caches */
void snd_hda_codec_flush_cache(struct hda_codec *codec);
/* the struct for codec->pin_configs */
struct hda_pincfg {
hda_nid_t nid;
unsigned char ctrl; /* original pin control value */
unsigned char target; /* target pin control value */
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);
/* SPDIF controls */
struct hda_spdif_out {
hda_nid_t nid; /* Converter nid values relate to */
unsigned int status; /* IEC958 status bits */
unsigned short ctls; /* SPDIF control bits */
};
struct hda_spdif_out *snd_hda_spdif_out_of_nid(struct hda_codec *codec,
hda_nid_t nid);
void snd_hda_spdif_ctls_unassign(struct hda_codec *codec, int idx);
void snd_hda_spdif_ctls_assign(struct hda_codec *codec, int idx, hda_nid_t nid);
/*
* 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);
int snd_hda_codec_prepare(struct hda_codec *codec,
struct hda_pcm_stream *hinfo,
unsigned int stream,
unsigned int format,
struct snd_pcm_substream *substream);
void snd_hda_codec_cleanup(struct hda_codec *codec,
struct hda_pcm_stream *hinfo,
struct snd_pcm_substream *substream);
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,
int do_now);
#define snd_hda_codec_cleanup_stream(codec, nid) \
__snd_hda_codec_cleanup_stream(codec, nid, 0)
unsigned int snd_hda_calc_stream_format(unsigned int rate,
unsigned int channels,
unsigned int format,
unsigned int maxbps,
unsigned short spdif_ctls);
int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid,
unsigned int format);
extern const struct snd_pcm_chmap_elem snd_pcm_2_1_chmaps[];
/*
* 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);
void snd_hda_codec_set_power_to_all(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state);
int snd_hda_lock_devices(struct hda_bus *bus);
void snd_hda_unlock_devices(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
static inline
int hda_call_check_power_status(struct hda_codec *codec, hda_nid_t nid)
{
#ifdef CONFIG_PM
if (codec->patch_ops.check_power_status)
return codec->patch_ops.check_power_status(codec, nid);
#endif
return 0;
}
/*
* 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_PM
void snd_hda_power_save(struct hda_codec *codec, int delta, bool d3wait);
void snd_hda_update_power_acct(struct hda_codec *codec);
#else
static inline void snd_hda_power_save(struct hda_codec *codec, int delta,
bool d3wait) {}
#endif
/**
* snd_hda_power_up - Power-up the codec
* @codec: HD-audio codec
*
* Increment the power-up counter and power up the hardware really when
* not turned on yet.
*/
static inline void snd_hda_power_up(struct hda_codec *codec)
{
snd_hda_power_save(codec, 1, false);
}
/**
* snd_hda_power_up_d3wait - Power-up the codec after waiting for any pending
* D3 transition to complete. This differs from snd_hda_power_up() when
* power_transition == -1. snd_hda_power_up sees this case as a nop,
* snd_hda_power_up_d3wait waits for the D3 transition to complete then powers
* back up.
* @codec: HD-audio codec
*
* Cancel any power down operation hapenning on the work queue, then power up.
*/
static inline void snd_hda_power_up_d3wait(struct hda_codec *codec)
{
snd_hda_power_save(codec, 1, true);
}
/**
* snd_hda_power_down - Power-down the codec
* @codec: HD-audio codec
*
* Decrement the power-up counter and schedules the power-off work if
* the counter rearches to zero.
*/
static inline void snd_hda_power_down(struct hda_codec *codec)
{
snd_hda_power_save(codec, -1, false);
}
/**
* snd_hda_power_sync - Synchronize the power-save status
* @codec: HD-audio codec
*
* Synchronize the actual power state with the power account;
* called when power_save parameter is changed
*/
static inline void snd_hda_power_sync(struct hda_codec *codec)
{
snd_hda_power_save(codec, 0, false);
}
#ifdef CONFIG_SND_HDA_PATCH_LOADER
/*
* patch firmware
*/
int snd_hda_load_patch(struct hda_bus *bus, size_t size, const void *buf);
#endif
#ifdef CONFIG_SND_HDA_DSP_LOADER
static inline int
snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
unsigned int size,
struct snd_dma_buffer *bufp)
{
return codec->bus->ops.load_dsp_prepare(codec->bus, format, size, bufp);
}
static inline void
snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start)
{
return codec->bus->ops.load_dsp_trigger(codec->bus, start);
}
static inline void
snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
struct snd_dma_buffer *dmab)
{
return codec->bus->ops.load_dsp_cleanup(codec->bus, dmab);
}
#else
static inline int
snd_hda_codec_load_dsp_prepare(struct hda_codec *codec, unsigned int format,
unsigned int size,
struct snd_dma_buffer *bufp)
{
return -ENOSYS;
}
static inline void
snd_hda_codec_load_dsp_trigger(struct hda_codec *codec, bool start) {}
static inline void
snd_hda_codec_load_dsp_cleanup(struct hda_codec *codec,
struct snd_dma_buffer *dmab) {}
#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 */
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