| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 1 | /**************************************************************************** |
| 2 | **************************************************************************** |
| 3 | *** |
| 4 | *** This header was automatically generated from a Linux kernel header |
| 5 | *** of the same name, to make information necessary for userspace to |
| 6 | *** call into the kernel available to libc. It contains only constants, |
| 7 | *** structures, and macros generated from the original header, and thus, |
| 8 | *** contains no copyrightable information. |
| 9 | *** |
| 10 | *** To edit the content of this header, modify the corresponding |
| 11 | *** source file (e.g. under external/kernel-headers/original/) then |
| 12 | *** run bionic/libc/kernel/tools/update_all.py |
| 13 | *** |
| 14 | *** Any manual change here will be lost the next time this script will |
| 15 | *** be run. You've been warned! |
| 16 | *** |
| 17 | **************************************************************************** |
| 18 | ****************************************************************************/ |
| 19 | #ifndef _UAPI__SOUND_USB_STREAM_H |
| 20 | #define _UAPI__SOUND_USB_STREAM_H |
| 21 | #define USB_STREAM_INTERFACE_VERSION 2 |
| 22 | #define SNDRV_USB_STREAM_IOCTL_SET_PARAMS _IOW('H', 0x90, struct usb_stream_config) |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 23 | struct usb_stream_packet { |
| 24 | unsigned offset; |
| 25 | unsigned length; |
| 26 | }; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 27 | struct usb_stream_config { |
| 28 | unsigned version; |
| 29 | unsigned sample_rate; |
| 30 | unsigned period_frames; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 31 | unsigned frame_size; |
| 32 | }; |
| 33 | struct usb_stream { |
| 34 | struct usb_stream_config cfg; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 35 | unsigned read_size; |
| 36 | unsigned write_size; |
| 37 | int period_size; |
| 38 | unsigned state; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 39 | int idle_insize; |
| 40 | int idle_outsize; |
| 41 | int sync_packet; |
| 42 | unsigned insize_done; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 43 | unsigned periods_done; |
| 44 | unsigned periods_polled; |
| 45 | struct usb_stream_packet outpacket[2]; |
| 46 | unsigned inpackets; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 47 | unsigned inpacket_head; |
| 48 | unsigned inpacket_split; |
| 49 | unsigned inpacket_split_at; |
| 50 | unsigned next_inpacket_split; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 51 | unsigned next_inpacket_split_at; |
| 52 | struct usb_stream_packet inpacket[0]; |
| 53 | }; |
| 54 | enum usb_stream_state { |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 55 | usb_stream_invalid, |
| 56 | usb_stream_stopped, |
| 57 | usb_stream_sync0, |
| 58 | usb_stream_sync1, |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 59 | usb_stream_ready, |
| 60 | usb_stream_running, |
| 61 | usb_stream_xrun, |
| 62 | }; |
| Christopher Ferris | 05d08e9 | 2016-02-04 13:16:38 -0800 | [diff] [blame] | 63 | #endif |