| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #define CS_AUDIO_UNDEFINED 0x20 |
| 2 | #define CS_AUDIO_DEVICE 0x21 |
| 3 | #define CS_AUDIO_CONFIGURATION 0x22 |
| 4 | #define CS_AUDIO_STRING 0x23 |
| 5 | #define CS_AUDIO_INTERFACE 0x24 |
| 6 | #define CS_AUDIO_ENDPOINT 0x25 |
| 7 | |
| 8 | #define HEADER 0x01 |
| 9 | #define INPUT_TERMINAL 0x02 |
| 10 | #define OUTPUT_TERMINAL 0x03 |
| 11 | #define MIXER_UNIT 0x04 |
| 12 | #define SELECTOR_UNIT 0x05 |
| 13 | #define FEATURE_UNIT 0x06 |
| 14 | #define PROCESSING_UNIT 0x07 |
| 15 | #define EXTENSION_UNIT 0x08 |
| 16 | |
| 17 | #define AS_GENERAL 0x01 |
| 18 | #define FORMAT_TYPE 0x02 |
| 19 | #define FORMAT_SPECIFIC 0x03 |
| 20 | |
| 21 | #define EP_GENERAL 0x01 |
| 22 | |
| 23 | #define MAX_CHAN 9 |
| 24 | #define MAX_FREQ 16 |
| 25 | #define MAX_IFACE 8 |
| 26 | #define MAX_FORMAT 8 |
| 27 | #define MAX_ALT 32 /* Sorry, we need quite a few for the Philips webcams */ |
| 28 | |
| 29 | struct usb_audio_terminal |
| 30 | { |
| 31 | u8 flags; |
| 32 | u8 assoc; |
| 33 | u16 type; /* Mic etc */ |
| 34 | u8 channels; |
| 35 | u8 source; |
| 36 | u16 chancfg; |
| 37 | }; |
| 38 | |
| 39 | struct usb_audio_format |
| 40 | { |
| 41 | u8 type; |
| 42 | u8 channels; |
| 43 | u8 num_freq; |
| 44 | u8 sfz; |
| 45 | u8 bits; |
| 46 | u16 freq[MAX_FREQ]; |
| 47 | }; |
| 48 | |
| 49 | struct usb_audio_interface |
| 50 | { |
| 51 | u8 terminal; |
| 52 | u8 delay; |
| 53 | u16 num_formats; |
| 54 | u16 format_type; |
| 55 | u8 flags; |
| 56 | u8 idleconf; /* Idle config */ |
| 57 | #define AU_IFACE_FOUND 1 |
| 58 | struct usb_audio_format format[MAX_FORMAT]; |
| 59 | }; |
| 60 | |
| 61 | struct usb_audio_device |
| 62 | { |
| 63 | struct list_head list; |
| 64 | u8 mixer; |
| 65 | u8 selector; |
| 66 | void *irq_handle; |
| 67 | u8 num_channels; |
| 68 | u8 num_dsp_iface; |
| 69 | u8 channel_map[MAX_CHAN]; |
| 70 | struct usb_audio_terminal terminal[MAX_CHAN]; |
| 71 | struct usb_audio_interface interface[MAX_IFACE][MAX_ALT]; |
| 72 | }; |
| 73 | |
| 74 | |
| 75 | |
| 76 | /* Audio Class specific Request Codes */ |
| 77 | |
| 78 | #define SET_CUR 0x01 |
| 79 | #define GET_CUR 0x81 |
| 80 | #define SET_MIN 0x02 |
| 81 | #define GET_MIN 0x82 |
| 82 | #define SET_MAX 0x03 |
| 83 | #define GET_MAX 0x83 |
| 84 | #define SET_RES 0x04 |
| 85 | #define GET_RES 0x84 |
| 86 | #define SET_MEM 0x05 |
| 87 | #define GET_MEM 0x85 |
| 88 | #define GET_STAT 0xff |
| 89 | |
| 90 | /* Terminal Control Selectors */ |
| 91 | |
| 92 | #define COPY_PROTECT_CONTROL 0x01 |
| 93 | |
| 94 | /* Feature Unit Control Selectors */ |
| 95 | |
| 96 | #define MUTE_CONTROL 0x01 |
| 97 | #define VOLUME_CONTROL 0x02 |
| 98 | #define BASS_CONTROL 0x03 |
| 99 | #define MID_CONTROL 0x04 |
| 100 | #define TREBLE_CONTROL 0x05 |
| 101 | #define GRAPHIC_EQUALIZER_CONTROL 0x06 |
| 102 | #define AUTOMATIC_GAIN_CONTROL 0x07 |
| 103 | #define DELAY_CONTROL 0x08 |
| 104 | #define BASS_BOOST_CONTROL 0x09 |
| 105 | #define LOUDNESS_CONTROL 0x0a |
| 106 | |
| 107 | /* Endpoint Control Selectors */ |
| 108 | |
| 109 | #define SAMPLING_FREQ_CONTROL 0x01 |
| 110 | #define PITCH_CONTROL 0x02 |