mirror of
https://github.com/FEX-Emu/linux.git
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111 lines
2.3 KiB
C
111 lines
2.3 KiB
C
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#define CS_AUDIO_UNDEFINED 0x20
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#define CS_AUDIO_DEVICE 0x21
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#define CS_AUDIO_CONFIGURATION 0x22
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#define CS_AUDIO_STRING 0x23
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#define CS_AUDIO_INTERFACE 0x24
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#define CS_AUDIO_ENDPOINT 0x25
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#define HEADER 0x01
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#define INPUT_TERMINAL 0x02
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#define OUTPUT_TERMINAL 0x03
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#define MIXER_UNIT 0x04
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#define SELECTOR_UNIT 0x05
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#define FEATURE_UNIT 0x06
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#define PROCESSING_UNIT 0x07
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#define EXTENSION_UNIT 0x08
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#define AS_GENERAL 0x01
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#define FORMAT_TYPE 0x02
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#define FORMAT_SPECIFIC 0x03
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#define EP_GENERAL 0x01
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#define MAX_CHAN 9
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#define MAX_FREQ 16
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#define MAX_IFACE 8
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#define MAX_FORMAT 8
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#define MAX_ALT 32 /* Sorry, we need quite a few for the Philips webcams */
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struct usb_audio_terminal
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{
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u8 flags;
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u8 assoc;
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u16 type; /* Mic etc */
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u8 channels;
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u8 source;
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u16 chancfg;
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};
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struct usb_audio_format
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{
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u8 type;
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u8 channels;
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u8 num_freq;
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u8 sfz;
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u8 bits;
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u16 freq[MAX_FREQ];
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};
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struct usb_audio_interface
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{
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u8 terminal;
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u8 delay;
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u16 num_formats;
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u16 format_type;
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u8 flags;
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u8 idleconf; /* Idle config */
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#define AU_IFACE_FOUND 1
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struct usb_audio_format format[MAX_FORMAT];
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};
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struct usb_audio_device
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{
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struct list_head list;
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u8 mixer;
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u8 selector;
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void *irq_handle;
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u8 num_channels;
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u8 num_dsp_iface;
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u8 channel_map[MAX_CHAN];
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struct usb_audio_terminal terminal[MAX_CHAN];
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struct usb_audio_interface interface[MAX_IFACE][MAX_ALT];
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};
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/* Audio Class specific Request Codes */
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#define SET_CUR 0x01
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#define GET_CUR 0x81
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#define SET_MIN 0x02
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#define GET_MIN 0x82
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#define SET_MAX 0x03
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#define GET_MAX 0x83
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#define SET_RES 0x04
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#define GET_RES 0x84
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#define SET_MEM 0x05
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#define GET_MEM 0x85
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#define GET_STAT 0xff
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/* Terminal Control Selectors */
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#define COPY_PROTECT_CONTROL 0x01
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/* Feature Unit Control Selectors */
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#define MUTE_CONTROL 0x01
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#define VOLUME_CONTROL 0x02
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#define BASS_CONTROL 0x03
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#define MID_CONTROL 0x04
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#define TREBLE_CONTROL 0x05
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#define GRAPHIC_EQUALIZER_CONTROL 0x06
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#define AUTOMATIC_GAIN_CONTROL 0x07
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#define DELAY_CONTROL 0x08
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#define BASS_BOOST_CONTROL 0x09
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#define LOUDNESS_CONTROL 0x0a
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/* Endpoint Control Selectors */
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#define SAMPLING_FREQ_CONTROL 0x01
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#define PITCH_CONTROL 0x02
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