500 _I|Mjq؂File not found. Bl4( (  fB- !t_I|+am_J*j"Tr\Ӫbѿ3r/* SPDX-License-Identifier: BSD-3-Clause */ /* * Copyright (C) 2021 OpenSynergy GmbH */ #ifndef VIRTIO_SND_IF_H #define VIRTIO_SND_IF_H #include /******************************************************************************* * FEATURE BITS */ enum { /* device supports control elements */ VIRTIO_SND_F_CTLS = 0 }; /******************************************************************************* * CONFIGURATION SPACE */ struct virtio_snd_config { /* # of available physical jacks */ __le32 jacks; /* # of available PCM streams */ __le32 streams; /* # of available channel maps */ __le32 chmaps; /* # of available control elements */ __le32 controls; }; enum { /* device virtqueue indexes */ VIRTIO_SND_VQ_CONTROL = 0, VIRTIO_SND_VQ_EVENT, VIRTIO_SND_VQ_TX, VIRTIO_SND_VQ_RX, /* # of device virtqueues */ VIRTIO_SND_VQ_MAX }; /******************************************************************************* * COMMON DEFINITIONS */ /* supported dataflow directions */ enum { VIRTIO_SND_D_OUTPUT = 0, VIRTIO_SND_D_INPUT }; enum { /* jack control request types */ VIRTIO_SND_R_JACK_INFO = 1, VIRTIO_SND_R_JACK_REMAP, /* PCM control request types */ VIRTIO_SND_R_PCM_INFO = 0x0100, VIRTIO_SND_R_PCM_SET_PARAMS, VIRTIO_SND_R_PCM_PREPARE, VIRTIO_SND_R_PCM_RELEASE, VIRTIO_SND_R_PCM_START, VIRTIO_SND_R_PCM_STOP, /* channel map control request types */ VIRTIO_SND_R_CHMAP_INFO = 0x0200, /* control element request types */ VIRTIO_SND_R_CTL_INFO = 0x0300, VIRTIO_SND_R_CTL_ENUM_ITEMS, VIRTIO_SND_R_CTL_READ, VIRTIO_SND_R_CTL_WRITE, VIRTIO_SND_R_CTL_TLV_READ, VIRTIO_SND_R_CTL_TLV_WRITE, VIRTIO_SND_R_CTL_TLV_COMMAND, /* jack event types */ VIRTIO_SND_EVT_JACK_CONNECTED = 0x1000, VIRTIO_SND_EVT_JACK_DISCONNECTED, /* PCM event types */ VIRTIO_SND_EVT_PCM_PERIOD_ELAPSED = 0x1100, VIRTIO_SND_EVT_PCM_XRUN, /* control element event types */ VIRTIO_SND_EVT_CTL_NOTIFY = 0x1200, /* common status codes */ VIRTIO_SND_S_OK = 0x8000, VIRTIO_SND_S_BAD_MSG, VIRTIO_SND_S_NOT_SUPP, VIRTIO_SND_S_IO_ERR }; /* common header */ struct virtio_snd_hdr { __le32 code; }; /* event notification */ struct virtio_snd_event { /* VIRTIO_SND_EVT_XXX */ struct virtio_snd_hdr hdr; /* optional event data */ __le32 data; }; /* common control request to query an item information */ struct virtio_snd_query_info { /* VIRTIO_SND_R_XXX_INFO */ struct virtio_snd_hdr hdr; /* item start identifier */ __le32 start_id; /* item count to query */ __le32 count; /* item information size in bytes */ __le32 size; }; /* common item information header */ struct virtio_snd_info { /* function group node id (High Definition Audio Specification 7.1.2) */ __le32 hda_fn_nid; }; /******************************************************************************* * JACK CONTROL MESSAGES */ struct virtio_snd_jack_hdr { /* VIRTIO_SND_R_JACK_XXX */ struct virtio_snd_hdr hdr; /* 0 ... virtio_snd_config::jacks - 1 */ __le32 jack_id; }; /* supported jack features */ enum { VIRTIO_SND_JACK_F_REMAP = 0 }; struct virtio_snd_jack_info { /* common header */ struct virtio_snd_info hdr; /* supported feature bit map (1 << VIRTIO_SND_JACK_F_XXX) */ __le32 features; /* pin configuration (High Definition Audio Specification 7.3.3.31) */ __le32 hda_reg_defconf; /* pin capabilities (High Definition Audio Specification 7.3.4.9) */ __le32 hda_reg_caps; /* current jack connection status (0: disconnected, 1: connected) */ __u8 connected; __u8 padding[7]; }; /* jack remapping control request */ struct virtio_snd_jack_remap { /* .code = VIRTIO_SND_R_JACK_REMAP */ struct virtio_snd_jack_hdr hdr; /* selected association number */ __le32 association; /* selected sequence number */ __le32 sequence; }; /******************************************************************************* * PCM CONTROL MESSAGES */ struct virtio_snd_pcm_hdr { /* VIRTIO_SND_R_PCM_XXX */