/* * Advanced Linux Sound Architecture - ALSA - Driver * Copyright (c) 1994-2003 by Jaroslav Kysela , * Abramo Bagnara * * * 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 _UAPI__SOUND_ASOUND_H #define _UAPI__SOUND_ASOUND_H #include #ifndef __KERNEL__ #include #endif /* * protocol version */ #define SNDRV_PROTOCOL_VERSION(major, minor, subminor) (((major)<<16)|((minor)<<8)|(subminor)) #define SNDRV_PROTOCOL_MAJOR(version) (((version)>>16)&0xffff) #define SNDRV_PROTOCOL_MINOR(version) (((version)>>8)&0xff) #define SNDRV_PROTOCOL_MICRO(version) ((version)&0xff) #define SNDRV_PROTOCOL_INCOMPATIBLE(kversion, uversion) \ (SNDRV_PROTOCOL_MAJOR(kversion) != SNDRV_PROTOCOL_MAJOR(uversion) || \ (SNDRV_PROTOCOL_MAJOR(kversion) == SNDRV_PROTOCOL_MAJOR(uversion) && \ SNDRV_PROTOCOL_MINOR(kversion) != SNDRV_PROTOCOL_MINOR(uversion))) /**************************************************************************** * * * Digital audio interface * * * ****************************************************************************/ struct snd_aes_iec958 { unsigned char status[24]; /* AES/IEC958 channel status bits */ unsigned char subcode[147]; /* AES/IEC958 subcode bits */ unsigned char pad; /* nothing */ unsigned char dig_subframe[4]; /* AES/IEC958 subframe bits */ }; /**************************************************************************** * * * CEA-861 Audio InfoFrame. Used in HDMI and DisplayPort * * * ****************************************************************************/ struct snd_cea_861_aud_if { unsigned char db1_ct_cc; /* coding type and channel count */ unsigned char db2_sf_ss; /* sample frequency and size */ unsigned char db3; /* not used, all zeros */ unsigned char db4_ca; /* channel allocation code */ unsigned char db5_dminh_lsv; /* downmix inhibit & level-shit values */ }; /**************************************************************************** * * * Section for driver hardware dependent interface - /dev/snd/hw? * * * ****************************************************************************/ #define SNDRV_HWDEP_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 1) enum { SNDRV_HWDEP_IFACE_OPL2 = 0, SNDRV_HWDEP_IFACE_OPL3, SNDRV_HWDEP_IFACE_OPL4, SNDRV_HWDEP_IFACE_SB16CSP, /* Creative Signal Processor */ SNDRV_HWDEP_IFACE_EMU10K1, /* FX8010 processor in EMU10K1 chip */ SNDRV_HWDEP_IFACE_YSS225, /* Yamaha FX processor */ SNDRV_HWDEP_IFACE_ICS2115, /* Wavetable synth */ SNDRV_HWDEP_IFACE_SSCAPE, /* Ensoniq SoundScape ISA card (MC68EC000) */ SNDRV_HWDEP_IFACE_VX, /* Digigram VX cards */ SNDRV_HWDEP_IFACE_MIXART, /* Digigram miXart cards */ SNDRV_HWDEP_IFACE_USX2Y, /* Tascam US122, US224 & US428 usb */ SNDRV_HWDEP_IFACE_EMUX_WAVETABLE, /* EmuX wavetable */ SNDRV_HWDEP_IFACE_BLUETOOTH, /* Bluetooth audio */ SNDRV_HWDEP_IFACE_USX2Y_PCM, /* Tascam US122, US224 & US428 rawusb pcm */ SNDRV_HWDEP_IFACE_PCXHR, /* Digigram PCXHR */ SNDRV_HWDEP_IFACE_SB_RC, /* SB Extigy/Audigy2NX remote control */ SNDRV_HWDEP_IFACE_HDA, /* HD-audio */ SNDRV_HWDEP_IFACE_USB_STREAM, /* direct access to usb stream */ SNDRV_HWDEP_IFACE_FW_DICE, /* TC DICE FireWire device */ SNDRV_HWDEP_IFACE_FW_FIREWORKS, /* Echo Audio Fireworks based device */ SNDRV_HWDEP_IFACE_FW_BEBOB, /* BridgeCo BeBoB based device */ SNDRV_HWDEP_IFACE_FW_OXFW, /* Oxford OXFW970/971 based device */ /* Don't forget to change the following: */ SNDRV_HWDEP_IFACE_LAST = SNDRV_HWDEP_IFACE_FW_OXFW }; struct snd_hwdep_info { unsigned int device; /* WR: device number */ int card; /* R: card number */ unsigned char id[64]; /* ID (user selectable) */ unsigned char name[80]; /* hwdep name */ int iface; /* hwdep interface */ unsigned char reserved[64]; /* reserved for future */ }; /* generic DSP loader */ struct snd_hwdep_dsp_status { unsigned int version; /* R: driver-specific version */ unsigned char id[32]; /* R: driver-specific ID string */ unsigned int num_dsps; /* R: number of DSP images to transfer */ unsigned int dsp_loaded; /* R: bit flags indicating the loaded DSPs */ unsigned int chip_ready; /* R: 1 = initialization finished */ unsigned char reserved[16]; /* reserved for future use */ }; struct snd_hwdep_dsp_image { unsigned int index; /* W: DSP index */ unsigned char name[64]; /* W: ID (e.g. file name) */ unsigned char __user *image; /* W: binary image */ size_t length; /* W: size of image in bytes */ unsigned long driver_data; /* W: driver-specific data */ }; #define SNDRV_HWDEP_IOCTL_PVERSION _IOR ('H', 0x00, int) #define SNDRV_HWDEP_IOCTL_INFO _IOR ('H', 0x01, struct snd_hwdep_info) #define SNDRV_HWDEP_IOCTL_DSP_STATUS _IOR('H', 0x02, struct snd_hwdep_dsp_status) #define SNDRV_HWDEP_IOCTL_DSP_LOAD _IOW('H', 0x03, struct snd_hwdep_dsp_image) /***************************************************************************** * * * Digital Audio (PCM) interface - /dev/snd/pcm?? * * * *****************************************************************************/ #define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 13) typedef unsigned long snd_pcm_uframes_t; typedef signed long snd_pcm_sframes_t; enum { SNDRV_PCM_CLASS_GENERIC = 0, /* standard mono or stereo device */ SNDRV_PCM_CLASS_MULTI, /* multichannel device */ SNDRV_PCM_CLASS_MODEM, /* software modem class */ SNDRV_PCM_CLASS_DIGITIZER, /* digitizer class */ /* Don't forget to change the following: */ SNDRV_PCM_CLASS_LAST = SNDRV_PCM_CLASS_DIGITIZER, }; enum { SNDRV_PCM_SUBCLASS_GENERIC_MIX = 0, /* mono or stereo subdevices are mixed together */ SNDRV_PCM_SUBCLASS_MULTI_MIX, /* multichannel subdevices are mixed together */ /* Don't forget to change the following: */ SNDRV_PCM_SUBCLASS_LAST = SNDRV_PCM_SUBCLASS_MULTI_MIX, }; enum { SNDRV_PCM_STREAM_PLAYBACK = 0, SNDRV_PCM_STREAM_CAPTURE, SNDRV_PCM_STREAM_LAST = SNDRV_PCM_STREAM_CAPTURE, }; typedef int __bitwise snd_pcm_access_t; #define SNDRV_PCM_ACCESS_MMAP_INTERLEAVED ((__force snd_pcm_access_t) 0) /* interleaved mmap */ #define SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED ((__force snd_pcm_access_t) 1) /* noninterleaved mmap */ #define SNDRV_PCM_ACCESS_MMAP_COMPLEX ((__force snd_pcm_access_t) 2) /* complex mmap */ #define SNDRV_PCM_ACCESS_RW_INTERLEAVED ((__force snd_pcm_access_t) 3) /* readi/writei */ #define SNDRV_PCM_ACCESS_RW_NONINTERLEAVED ((__force snd_pcm_access_t) 4) /* readn/writen */ #define SNDRV_PCM_ACCESS_LAST SNDRV_PCM_ACCESS_RW_NONINTERLEAVED typedef int __bitwise snd_pcm_format_t; #define SNDRV_PCM_FORMAT_S8 ((__force snd_pcm_format_t) 0) #define SNDRV_PCM_FORMAT_U8 ((__force snd_pcm_format_t) 1) #define SNDRV_PCM_FORMAT_S16_LE ((__force snd_pcm_format_t) 2) #define SNDRV_PCM_FORMAT_S16_BE ((__force snd_pcm_format_t) 3) #define SNDRV_PCM_FORMAT_U16_LE ((__force snd_pcm_format_t) 4) #define SNDRV_PCM_FORMAT_U16_BE ((__force snd_pcm_format_t) 5) #define SNDRV_PCM_FORMAT_S24_LE ((__force snd_pcm_format_t) 6) /* low three bytes */ #define SNDRV_PCM_FORMAT_S24_BE ((__force snd_pcm_format_t) 7) /* low three bytes */ #define SNDRV_PCM_FORMAT_U24_LE ((__force snd_pcm_format_t) 8) /* low three bytes */ #define SNDRV_PCM_FORMAT_U24_BE ((__force snd_pcm_format_t) 9) /* low three bytes */ #define SNDRV_PCM_FORMAT_S32_LE ((__force snd_pcm_format_t) 10) #define SNDRV_PCM_FORMAT_S32_BE ((__force snd_pcm_format_t) 11) #define SNDRV_PCM_FORMAT_U32_LE ((__force snd_pcm_format_t) 12) #define SNDRV_PCM_FORMAT_U32_BE ((__force snd_pcm_format_t) 13) #define SNDRV_PCM_FORMAT_FLOAT_LE ((__force snd_pcm_format_t) 14) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ #define SNDRV_PCM_FORMAT_FLOAT_BE ((__force snd_pcm_format_t) 15) /* 4-byte float, IEEE-754 32-bit, range -1.0 to 1.0 */ #define SNDRV_PCM_FORMAT_FLOAT64_LE ((__force snd_pcm_format_t) 16) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ #define SNDRV_PCM_FORMAT_FLOAT64_BE ((__force snd_pcm_format_t) 17) /* 8-byte float, IEEE-754 64-bit, range -1.0 to 1.0 */ #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE ((__force snd_pcm_format_t) 18) /* IEC-958 subframe, Little Endian */ #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE ((__force snd_pcm_format_t) 19) /* IEC-958 subframe, Big Endian */ #define SNDRV_PCM_FORMAT_MU_LAW ((__force snd_pcm_format_t) 20) #define SNDRV_PCM_FORMAT_A_LAW ((__force snd_pcm_format_t) 21) #define SNDRV_PCM_FORMAT_IMA_ADPCM ((__force snd_pcm_format_t) 22) #define SNDRV_PCM_FORMAT_MPEG ((__force snd_pcm_format_t) 23) #define SNDRV_PCM_FORMAT_GSM ((__force snd_pcm_format_t) 24) #define SNDRV_PCM_FORMAT_SPECIAL ((__force snd_pcm_format_t) 31) #define SNDRV_PCM_FORMAT_S24_3LE ((__force snd_pcm_format_t) 32) /* in three bytes */ #define SNDRV_PCM_FORMAT_S24_3BE ((__force snd_pcm_format_t) 33) /* in three bytes */ #define SNDRV_PCM_FORMAT_U24_3LE ((__force snd_pcm_format_t) 34) /* in three bytes */ #define SNDRV_PCM_FORMAT_U24_3BE ((__force snd_pcm_format_t) 35) /* in three bytes */ #define SNDRV_PCM_FORMAT_S20_3LE ((__force snd_pcm_format_t) 36) /* in three bytes */ #define SNDRV_PCM_FORMAT_S20_3BE ((__force snd_pcm_format_t) 37) /* in three bytes */ #define SNDRV_PCM_FORMAT_U20_3LE ((__force snd_pcm_format_t) 38) /* in three bytes */ #define SNDRV_PCM_FORMAT_U20_3BE ((__force snd_pcm_format_t) 39) /* in three bytes */ #define SNDRV_PCM_FORMAT_S18_3LE ((__force snd_pcm_format_t) 40) /* in three bytes */ #define SNDRV_PCM_FORMAT_S18_3BE ((__force snd_pcm_format_t) 41) /* in three bytes */ #define SNDRV_PCM_FORMAT_U18_3LE ((__force snd_pcm_format_t) 42) /* in three bytes */ #define SNDRV_PCM_FORMAT_U18_3BE ((__force snd_pcm_format_t) 43) /* in three bytes */ #define SNDRV_PCM_FORMAT_G723_24 ((__force snd_pcm_format_t) 44) /* 8 samples in 3 bytes */ #define SNDRV_PCM_FORMAT_G723_24_1B ((__force snd_pcm_format_t) 45) /* 1 sample in 1 byte */ #define SNDRV_PCM_FORMAT_G723_40 ((__force snd_pcm_format_t) 46) /* 8 Samples in 5 bytes */ #define SNDRV_PCM_FORMAT_G723_40_1B ((__force snd_pcm_format_t) 47) /* 1 sample in 1 byte */ #define SNDRV_PCM_FORMAT_DSD_U8 ((__force snd_pcm_format_t) 48) /* DSD, 1-byte samples DSD (x8) */ #define SNDRV_PCM_FORMAT_DSD_U16_LE ((__force snd_pcm_format_t) 49) /* DSD, 2-byte samples DSD (x16), little endian */ #define SNDRV_PCM_FORMAT_DSD_U32_LE ((__force snd_pcm_format_t) 50) /* DSD, 4-byte samples DSD (x32), little endian */ #define SNDRV_PCM_FORMAT_DSD_U16_BE ((__force snd_pcm_format_t) 51) /* DSD, 2-byte samples DSD (x16), big endian */ #define SNDRV_PCM_FORMAT_DSD_U32_BE ((__force snd_pcm_format_t) 52) /* DSD, 4-byte samples DSD (x32), big endian */ #define SNDRV_PCM_FORMAT_LAST SNDRV_PCM_FORMAT_DSD_U32_BE #ifdef SNDRV_LITTLE_ENDIAN #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_LE #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_LE #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_LE #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_LE #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_LE #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_LE #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_LE #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_LE #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_LE #endif #ifdef SNDRV_BIG_ENDIAN #define SNDRV_PCM_FORMAT_S16 SNDRV_PCM_FORMAT_S16_BE #define SNDRV_PCM_FORMAT_U16 SNDRV_PCM_FORMAT_U16_BE #define SNDRV_PCM_FORMAT_S24 SNDRV_PCM_FORMAT_S24_BE #define SNDRV_PCM_FORMAT_U24 SNDRV_PCM_FORMAT_U24_BE #define SNDRV_PCM_FORMAT_S32 SNDRV_PCM_FORMAT_S32_BE #define SNDRV_PCM_FORMAT_U32 SNDRV_PCM_FORMAT_U32_BE #define SNDRV_PCM_FORMAT_FLOAT SNDRV_PCM_FORMAT_FLOAT_BE #define SNDRV_PCM_FORMAT_FLOAT64 SNDRV_PCM_FORMAT_FLOAT64_BE #define SNDRV_PCM_FORMAT_IEC958_SUBFRAME SNDRV_PCM_FORMAT_IEC958_SUBFRAME_BE #endif typedef int __bitwise snd_pcm_subformat_t; #define SNDRV_PCM_SUBFORMAT_STD ((__force snd_pcm_subformat_t) 0) #define SNDRV_PCM_SUBFORMAT_LAST SNDRV_PCM_SUBFORMAT_STD #define SNDRV_PCM_INFO_MMAP 0x00000001 /* hardware supports mmap */ #define SNDRV_PCM_INFO_MMAP_VALID 0x00000002 /* period data are valid during transfer */ #define SNDRV_PCM_INFO_DOUBLE 0x00000004 /* Double buffering needed for PCM start/stop */ #define SNDRV_PCM_INFO_BATCH 0x00000010 /* double buffering */ #define SNDRV_PCM_INFO_INTERLEAVED 0x00000100 /* channels are interleaved */ #define SNDRV_PCM_INFO_NONINTERLEAVED 0x00000200 /* channels are not interleaved */ #define SNDRV_PCM_INFO_COMPLEX 0x00000400 /* complex frame organization (mmap only) */ #define SNDRV_PCM_INFO_BLOCK_TRANSFER 0x00010000 /* hardware transfer block of samples */ #define SNDRV_PCM_INFO_OVERRANGE 0x00020000 /* hardware supports ADC (capture) overrange detection */ #define SNDRV_PCM_INFO_RESUME 0x00040000 /* hardware supports stream resume after suspend */ #define SNDRV_PCM_INFO_PAUSE 0x00080000 /* pause ioctl is supported */ #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ #define SNDRV_PCM_INFO_NO_PERIOD_WAKEUP 0x00800000 /* period wakeup can be disabled */ #define SNDRV_PCM_INFO_HAS_WALL_CLOCK 0x01000000 /* (Deprecated)has audio wall clock for audio/system time sync */ #define SNDRV_PCM_INFO_HAS_LINK_ATIME 0x01000000 /* report hardware link audio time, reset on startup */ #define SNDRV_PCM_INFO_HAS_LINK_ABSOLUTE_ATIME 0x02000000 /* report absolute hardware link audio time, not reset on startup */ #define SNDRV_PCM_INFO_HAS_LINK_ESTIMATED_ATIME 0x04000000 /* report estimated link audio time */ #define SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME 0x08000000 /* report synchronized audio/system time */ #define SNDRV_PCM_INFO_DRAIN_TRIGGER 0x40000000 /* internal kernel flag - trigger in drain */ #define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ typedef int __bitwise snd_pcm_state_t; #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ #define SNDRV_PCM_STATE_SETUP ((__force snd_pcm_state_t) 1) /* stream has a setup */ #define SNDRV_PCM_STATE_PREPARED ((__force snd_pcm_state_t) 2) /* stream is ready to start */ #define SNDRV_PCM_STATE_RUNNING ((__force snd_pcm_state_t) 3) /* stream is running */ #define SNDRV_PCM_STATE_XRUN ((__force snd_pcm_state_t) 4) /* stream reached an xrun */ #define SNDRV_PCM_STATE_DRAINING ((__force snd_pcm_state_t) 5) /* stream is draining */ #define SNDRV_PCM_STATE_PAUSED ((__force snd_pcm_state_t) 6) /* stream is paused */ #define SNDRV_PCM_STATE_SUSPENDED ((__force snd_pcm_state_t) 7) /* hardware is suspended */ #define SNDRV_PCM_STATE_DISCONNECTED ((__force snd_pcm_state_t) 8) /* hardware is disconnected */ #define SNDRV_PCM_STATE_LAST SNDRV_PCM_STATE_DISCONNECTED enum { SNDRV_PCM_MMAP_OFFSET_DATA = 0x00000000, SNDRV_PCM_MMAP_OFFSET_STATUS = 0x80000000, SNDRV_PCM_MMAP_OFFSET_CONTROL = 0x81000000, }; union snd_pcm_sync_id { unsigned char id[16]; unsigned short id16[8]; unsigned int id32[4]; }; struct snd_pcm_info { unsigned int device; /* RO/WR (control): device number */ unsigned int subdevice; /* RO/WR (control): subdevice number */ int stream; /* RO/WR (control): stream direction */ int card; /* R: card number */ unsigned char id[64]; /* ID (user selectable) */ unsigned char name[80]; /* name of this device */ unsigned char subname[32]; /* subdevice name */ int dev_class; /* SNDRV_PCM_CLASS_* */ int dev_subclass; /* SNDRV_PCM_SUBCLASS_* */ unsigned int subdevices_count; unsigned int subdevices_avail; union snd_pcm_sync_id sync; /* hardware synchronization ID */ unsigned char reserved[64]; /* reserved for future... */ }; typedef int snd_pcm_hw_param_t; #define SNDRV_PCM_HW_PARAM_ACCESS 0 /* Access type */ #define SNDRV_PCM_HW_PARAM_FORMAT 1 /* Format */ #define SNDRV_PCM_HW_PARAM_SUBFORMAT 2 /* Subformat */ #define SNDRV_PCM_HW_PARAM_FIRST_MASK SNDRV_PCM_HW_PARAM_ACCESS #define SNDRV_PCM_HW_PARAM_LAST_MASK SNDRV_PCM_HW_PARAM_SUBFORMAT #define SNDRV_PCM_HW_PARAM_SAMPLE_BITS 8 /* Bits per sample */ #define SNDRV_PCM_HW_PARAM_FRAME_BITS 9 /* Bits per frame */ #define SNDRV_PCM_HW_PARAM_CHANNELS 10 /* Channels */ #define SNDRV_PCM_HW_PARAM_RATE 11 /* Approx rate */ #define SNDRV_PCM_HW_PARAM_PERIOD_TIME 12 /* Approx distance between * interrupts in us */ #define SNDRV_PCM_HW_PARAM_PERIOD_SIZE 13 /* Approx frames between * interrupts */ #define SNDRV_PCM_HW_PARAM_PERIOD_BYTES 14 /* Approx bytes between * interrupts */ #define SNDRV_PCM_HW_PARAM_PERIODS 15 /* Approx interrupts per * buffer */ #define SNDRV_PCM_HW_PARAM_BUFFER_TIME 16 /* Approx duration of buffer * in us */ #define SNDRV_PCM_HW_PARAM_BUFFER_SIZE 17 /* Size of buffer in frames */ #define SNDRV_PCM_HW_PARAM_BUFFER_BYTES 18 /* Size of buffer in bytes */ #define SNDRV_PCM_HW_PARAM_TICK_TIME 19 /* Approx tick duration in us */ #define SNDRV_PCM_HW_PARAM_FIRST_INTERVAL SNDRV_PCM_HW_PARAM_SAMPLE_BITS #define SNDRV_PCM_HW_PARAM_LAST_INTERVAL SNDRV_PCM_HW_PARAM_TICK_TIME #define SNDRV_PCM_HW_PARAMS_NORESAMPLE (1<<0) /* avoid rate resampling */ #define SNDRV_PCM_HW_PARAMS_EXPORT_BUFFER (1<<1) /* export buffer */ #define SNDRV_PCM_HW_PARAMS_NO_PERIOD_WAKEUP (1<<2) /* disable period wakeups */ struct snd_interval { unsigned int min, max; unsigned int openmin:1, openmax:1, integer:1, empty:1; }; #define SNDRV_MASK_MAX 256 struct snd_mask { __u32 bits[(SNDRV_MASK_MAX+31)/32]; }; struct snd_pcm_hw_params { unsigned int flags; struct snd_mask masks[SNDRV_PCM_HW_PARAM_LAST_MASK - SNDRV_PCM_HW_PARAM_FIRST_MASK + 1]; struct snd_mask mres[5]; /* reserved masks */ struct snd_interval intervals[SNDRV_PCM_HW_PARAM_LAST_INTERVAL - SNDRV_PCM_HW_PARAM_FIRST_INTERVAL + 1]; struct snd_interval ires[9]; /* reserved intervals */ unsigned int rmask; /* W: requested masks */ unsigned int cmask; /* R: changed masks */ unsigned int info; /* R: Info flags for returned setup */ unsigned int msbits; /* R: used most significant bits */ unsigned int rate_num; /* R: rate numerator */ unsigned int rate_den; /* R: rate denominator */ snd_pcm_uframes_t fifo_size; /* R: chip FIFO size in frames */ unsigned char reserved[64]; /* reserved for future */ }; enum { SNDRV_PCM_TSTAMP_NONE = 0, SNDRV_PCM_TSTAMP_ENABLE, SNDRV_PCM_TSTAMP_LAST = SNDRV_PCM_TSTAMP_ENABLE, }; struct snd_pcm_sw_params { int tstamp_mode; /* timestamp mode */ unsigned int period_step; unsigned int sleep_min; /* min ticks to sleep */ snd_pcm_uframes_t avail_min; /* min avail frames for wakeup */ snd_pcm_uframes_t xfer_align; /* obsolete: xfer size need to be a multiple */ snd_pcm_uframes_t start_threshold; /* min hw_avail frames for automatic start */ snd_pcm_uframes_t stop_threshold; /* min avail frames for automatic stop */ snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ snd_pcm_uframes_t silence_size; /* silence block size */ snd_pcm_uframes_t boundary; /* pointers wrap point */ unsigned int proto; /* protocol version */ unsigned int tstamp_type; /* timestamp type (req. proto >= 2.0.12) */ unsigned char reserved[56]; /* reserved for future */ }; struct snd_pcm_channel_info { unsigned int channel; __kernel_off_t offset; /* mmap offset */ unsigned int first; /* offset to first sample in bits */ unsigned int step; /* samples distance in bits */ }; enum { /* * first definition for backwards compatibility only, * maps to wallclock/link time for HDAudio playback and DEFAULT/DMA time for everything else */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_COMPAT = 0, /* timestamp definitions */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_DEFAULT = 1, /* DMA time, reported as per hw_ptr */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK = 2, /* link time reported by sample or wallclock counter, reset on startup */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ABSOLUTE = 3, /* link time reported by sample or wallclock counter, not reset on startup */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_ESTIMATED = 4, /* link time estimated indirectly */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED = 5, /* link time synchronized with system time */ SNDRV_PCM_AUDIO_TSTAMP_TYPE_LAST = SNDRV_PCM_AUDIO_TSTAMP_TYPE_LINK_SYNCHRONIZED }; struct snd_pcm_status { snd_pcm_state_t state; /* stream state */ struct timespec trigger_tstamp; /* time when stream was started/stopped/paused */ struct timespec tstamp; /* reference timestamp */ snd_pcm_uframes_t appl_ptr; /* appl ptr */ snd_pcm_uframes_t hw_ptr; /* hw ptr */ snd_pcm_sframes_t delay; /* current delay in frames */ snd_pcm_uframes_t avail; /* number of frames available */ snd_pcm_uframes_t avail_max; /* max frames available on hw since last status */ snd_pcm_uframes_t overrange; /* count of ADC (capture) overrange detections from last status */ snd_pcm_state_t suspended_state; /* suspended stream state */ __u32 audio_tstamp_data; /* needed for 64-bit alignment, used for configs/report to/from userspace */ struct timespec audio_tstamp; /* sample counter, wall clock, PHC or on-demand sync'ed */ struct timespec driver_tstamp; /* useful in case reference system tstamp is reported with delay */ __u32 audio_tstamp_accuracy; /* in ns units, only valid if indicated in audio_tstamp_data */ unsigned char reserved[52-2*sizeof(struct timespec)]; /* must be filled with zero */ }; struct snd_pcm_mmap_status { snd_pcm_state_t state; /* RO: state - SNDRV_PCM_STATE_XXXX */ int pad1; /* Needed for 64 bit alignment */ snd_pcm_uframes_t hw_ptr; /* RO: hw ptr (0...boundary-1) */ struct timespec tstamp; /* Timestamp */ snd_pcm_state_t suspended_state; /* RO: suspended stream state */ struct timespec audio_tstamp; /* from sample counter or wall clock */ }; struct snd_pcm_mmap_control { snd_pcm_uframes_t appl_ptr; /* RW: appl ptr (0...boundary-1) */ snd_pcm_uframes_t avail_min; /* RW: min available frames for wakeup */ }; #define SNDRV_PCM_SYNC_PTR_HWSYNC (1<<0) /* execute hwsync */ #define SNDRV_PCM_SYNC_PTR_APPL (1<<1) /* get appl_ptr from driver (r/w op) */ #define SNDRV_PCM_SYNC_PTR_AVAIL_MIN (1<<2) /* get avail_min from driver */ struct snd_pcm_sync_ptr { unsigned int flags; union { struct snd_pcm_mmap_status status; unsigned char reserved[64]; } s; union { struct snd_pcm_mmap_control control; unsigned char reserved[64]; } c; }; struct snd_xferi { snd_pcm_sframes_t result; void __user *buf; snd_pcm_uframes_t frames; }; struct snd_xfern { snd_pcm_sframes_t result; void __user * __user *bufs; snd_pcm_uframes_t frames; }; enum { SNDRV_PCM_TSTAMP_TYPE_GETTIMEOFDAY = 0, /* gettimeofday equivalent */ SNDRV_PCM_TSTAMP_TYPE_MONOTONIC, /* posix_clock_monotonic equivalent */ SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, /* monotonic_raw (no NTP) */ SNDRV_PCM_TSTAMP_TYPE_LAST = SNDRV_PCM_TSTAMP_TYPE_MONOTONIC_RAW, }; /* channel positions */ enum { SNDRV_CHMAP_UNKNOWN = 0, SNDRV_CHMAP_NA, /* N/A, silent */ SNDRV_CHMAP_MONO, /* mono stream */ /* this follows the alsa-lib mixer channel value + 3 */ SNDRV_CHMAP_FL, /* front left */ SNDRV_CHMAP_FR, /* front right */ SNDRV_CHMAP_RL, /* rear left */ SNDRV_CHMAP_RR, /* rear right */ SNDRV_CHMAP_FC, /* front center */ SNDRV_CHMAP_LFE, /* LFE */ SNDRV_CHMAP_SL, /* side left */ SNDRV_CHMAP_SR, /* side right */ SNDRV_CHMAP_RC, /* rear center */ /* new definitions */ SNDRV_CHMAP_FLC, /* front left center */ SNDRV_CHMAP_FRC, /* front right center */ SNDRV_CHMAP_RLC, /* rear left center */ SNDRV_CHMAP_RRC, /* rear right center */ SNDRV_CHMAP_FLW, /* front left wide */ SNDRV_CHMAP_FRW, /* front right wide */ SNDRV_CHMAP_FLH, /* front left high */ SNDRV_CHMAP_FCH, /* front center high */ SNDRV_CHMAP_FRH, /* front right high */ SNDRV_CHMAP_TC, /* top center */ SNDRV_CHMAP_TFL, /* top front left */ SNDRV_CHMAP_TFR, /* top front right */ SNDRV_CHMAP_TFC, /* top front center */ SNDRV_CHMAP_TRL, /* top rear left */ SNDRV_CHMAP_TRR, /* top rear right */ SNDRV_CHMAP_TRC, /* top rear center */ /* new definitions for UAC2 */ SNDRV_CHMAP_TFLC, /* top front left center */ SNDRV_CHMAP_TFRC, /* top front right center */ SNDRV_CHMAP_TSL, /* top side left */ SNDRV_CHMAP_TSR, /* top side right */ SNDRV_CHMAP_LLFE, /* left LFE */ SNDRV_CHMAP_RLFE, /* right LFE */ SNDRV_CHMAP_BC, /* bottom center */ SNDRV_CHMAP_BLC, /* bottom left center */ SNDRV_CHMAP_BRC, /* bottom right center */ SNDRV_CHMAP_LAST = SNDRV_CHMAP_BRC, }; #define SNDRV_CHMAP_POSITION_MASK 0xffff #define SNDRV_CHMAP_PHASE_INVERSE (0x01 << 16) #define SNDRV_CHMAP_DRIVER_SPEC (0x02 << 16) #define SNDRV_PCM_IOCTL_PVERSION _IOR('A', 0x00, int) #define SNDRV_PCM_IOCTL_INFO _IOR('A', 0x01, struct snd_pcm_info) #define SNDRV_PCM_IOCTL_TSTAMP _IOW('A', 0x02, int) #define SNDRV_PCM_IOCTL_TTSTAMP _IOW('A', 0x03, int) #define SNDRV_PCM_IOCTL_HW_REFINE _IOWR('A', 0x10, struct snd_pcm_hw_params) #define SNDRV_PCM_IOCTL_HW_PARAMS _IOWR('A', 0x11, struct snd_pcm_hw_params) #define SNDRV_PCM_IOCTL_HW_FREE _IO('A', 0x12) #define SNDRV_PCM_IOCTL_SW_PARAMS _IOWR('A', 0x13, struct snd_pcm_sw_params) #define SNDRV_PCM_IOCTL_STATUS _IOR('A', 0x20, struct snd_pcm_status) #define SNDRV_PCM_IOCTL_DELAY _IOR('A', 0x21, snd_pcm_sframes_t) #define SNDRV_PCM_IOCTL_HWSYNC _IO('A', 0x22) #define SNDRV_PCM_IOCTL_SYNC_PTR _IOWR('A', 0x23, struct snd_pcm_sync_ptr) #define SNDRV_PCM_IOCTL_STATUS_EXT _IOWR('A', 0x24, struct snd_pcm_status) #define SNDRV_PCM_IOCTL_CHANNEL_INFO _IOR('A', 0x32, struct snd_pcm_channel_info) #define SNDRV_PCM_IOCTL_PREPARE _IO('A', 0x40) #define SNDRV_PCM_IOCTL_RESET _IO('A', 0x41) #define SNDRV_PCM_IOCTL_START _IO('A', 0x42) #define SNDRV_PCM_IOCTL_DROP _IO('A', 0x43) #define SNDRV_PCM_IOCTL_DRAIN _IO('A', 0x44) #define SNDRV_PCM_IOCTL_PAUSE _IOW('A', 0x45, int) #define SNDRV_PCM_IOCTL_REWIND _IOW('A', 0x46, snd_pcm_uframes_t) #define SNDRV_PCM_IOCTL_RESUME _IO('A', 0x47) #define SNDRV_PCM_IOCTL_XRUN _IO('A', 0x48) #define SNDRV_PCM_IOCTL_FORWARD _IOW('A', 0x49, snd_pcm_uframes_t) #define SNDRV_PCM_IOCTL_WRITEI_FRAMES _IOW('A', 0x50, struct snd_xferi) #define SNDRV_PCM_IOCTL_READI_FRAMES _IOR('A', 0x51, struct snd_xferi) #define SNDRV_PCM_IOCTL_WRITEN_FRAMES _IOW('A', 0x52, struct snd_xfern) #define SNDRV_PCM_IOCTL_READN_FRAMES _IOR('A', 0x53, struct snd_xfern) #define SNDRV_PCM_IOCTL_LINK _IOW('A', 0x60, int) #define SNDRV_PCM_IOCTL_UNLINK _IO('A', 0x61) /***************************************************************************** * * * MIDI v1.0 interface * * * *****************************************************************************/ /* * Raw MIDI section - /dev/snd/midi?? */ #define SNDRV_RAWMIDI_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 0) enum { SNDRV_RAWMIDI_STREAM_OUTPUT = 0, SNDRV_RAWMIDI_STREAM_INPUT, SNDRV_RAWMIDI_STREAM_LAST = SNDRV_RAWMIDI_STREAM_INPUT, }; #define SNDRV_RAWMIDI_INFO_OUTPUT 0x00000001 #define SNDRV_RAWMIDI_INFO_INPUT 0x00000002 #define SNDRV_RAWMIDI_INFO_DUPLEX 0x00000004 struct snd_rawmidi_info { unsigned int device; /* RO/WR (control): device number */ unsigned int subdevice; /* RO/WR (control): subdevice number */ int stream; /* WR: stream */ int card; /* R: card number */ unsigned int flags; /* SNDRV_RAWMIDI_INFO_XXXX */ unsigned char id[64]; /* ID (user selectable) */ unsigned char name[80]; /* name of device */ unsigned char subname[32]; /* name of active or selected subdevice */ unsigned int subdevices_count; unsigned int subdevices_avail; unsigned char reserved[64]; /* reserved for future use */ }; struct snd_rawmidi_params { int stream; size_t buffer_size; /* queue size in bytes */ size_t avail_min; /* minimum avail byte
/*
 * Pinctrl GPIO driver for Intel Baytrail
 * Copyright (c) 2012-2013, Intel Corporation.
 *
 * Author: Mathias Nyman <mathias.nyman@linux.intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/interrupt.h>
#include <linux/gpio.h>
#include <linux/acpi.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
#include <linux/io.h>
#include <linux/pm_runtime.h>
#include <linux/pinctrl/pinctrl.h>

/* memory mapped register offsets */
#define BYT_CONF0_REG		0x000
#define BYT_CONF1_REG		0x004
#define BYT_VAL_REG		0x008
#define BYT_DFT_REG		0x00c
#define BYT_INT_STAT_REG	0x800

/* BYT_CONF0_REG register bits */
#define BYT_IODEN		BIT(31)
#define BYT_DIRECT_IRQ_EN	BIT(27)
#define BYT_TRIG_NEG		BIT(26)
#define BYT_TRIG_POS		BIT(25)
#define BYT_TRIG_LVL		BIT(24)
#define BYT_PULL_STR_SHIFT	9
#define BYT_PULL_STR_MASK	(3 << BYT_PULL_STR_SHIFT)
#define BYT_PULL_STR_2K		(0 << BYT_PULL_STR_SHIFT)
#define BYT_PULL_STR_10K	(1 << BYT_PULL_STR_SHIFT)
#define BYT_PULL_STR_20K	(2 << BYT_PULL_STR_SHIFT)
#define BYT_PULL_STR_40K	(3 << BYT_PULL_STR_SHIFT)
#define BYT_PULL_ASSIGN_SHIFT	7
#define BYT_PULL_ASSIGN_MASK	(3 << BYT_PULL_ASSIGN_SHIFT)
#define BYT_PULL_ASSIGN_UP	(1 << BYT_PULL_ASSIGN_SHIFT)
#define BYT_PULL_ASSIGN_DOWN	(2 << BYT_PULL_ASSIGN_SHIFT)
#define BYT_PIN_MUX		0x07

/* BYT_VAL_REG register bits */
#define BYT_INPUT_EN		BIT(2)  /* 0: input enabled (active low)*/
#define BYT_OUTPUT_EN		BIT(1)  /* 0: output enabled (active low)*/
#define BYT_LEVEL		BIT(0)

#define BYT_DIR_MASK		(BIT(1) | BIT(2))
#define BYT_TRIG_MASK		(BIT(26) | BIT(25) | BIT(24))

#define BYT_CONF0_RESTORE_MASK	(BYT_DIRECT_IRQ_EN | BYT_TRIG_MASK | \
				 BYT_PIN_MUX)
#define BYT_VAL_RESTORE_MASK	(BYT_DIR_MASK | BYT_LEVEL)

#define BYT_NGPIO_SCORE		102
#define BYT_NGPIO_NCORE		28
#define BYT_NGPIO_SUS		44

#define BYT_SCORE_ACPI_UID	"1"
#define BYT_NCORE_ACPI_UID	"2"
#define BYT_SUS_ACPI_UID	"3"

/*
 * Baytrail gpio controller consist of three separate sub-controllers called
 * SCORE, NCORE and SUS. The sub-controllers are identified by their acpi UID.
 *
 * GPIO numbering is _not_ ordered meaning that gpio # 0 in ACPI namespace does
 * _not_ correspond to the first gpio register at controller's gpio base.
 * There is no logic or pattern in mapping gpio numbers to registers (pads) so
 * each sub-controller needs to have its own mapping table
 */

/* score_pins[gpio_nr] = pad_nr */

static unsigned const score_pins[BYT_NGPIO_SCORE] = {
	85, 89, 93, 96, 99, 102, 98, 101, 34, 37,
	36, 38, 39, 35, 40, 84, 62, 61, 64, 59,
	54, 56, 60, 55, 63, 57, 51, 50, 53, 47,
	52, 49, 48,