diff options
Diffstat (limited to 'src/drivers/usb/usb_ch9.h')
| -rw-r--r-- | src/drivers/usb/usb_ch9.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/src/drivers/usb/usb_ch9.h b/src/drivers/usb/usb_ch9.h index a609bdb207..a4a3722ee8 100644 --- a/src/drivers/usb/usb_ch9.h +++ b/src/drivers/usb/usb_ch9.h @@ -81,6 +81,34 @@ #define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ +/* + * USB Packet IDs (PIDs) + */ + +/* token */ +#define USB_PID_OUT 0xe1 +#define USB_PID_IN 0x69 +#define USB_PID_SOF 0xa5 +#define USB_PID_SETUP 0x2d +/* handshake */ +#define USB_PID_ACK 0xd2 +#define USB_PID_NAK 0x5a +#define USB_PID_STALL 0x1e +#define USB_PID_NYET 0x96 +/* data */ +#define USB_PID_DATA0 0xc3 +#define USB_PID_DATA1 0x4b +#define USB_PID_DATA2 0x87 +#define USB_PID_MDATA 0x0f +/* Special */ +#define USB_PID_PREAMBLE 0x3c +#define USB_PID_ERR 0x3c +#define USB_PID_SPLIT 0x78 +#define USB_PID_PING 0xb4 +#define USB_PID_UNDEF_0 0xf0 + +#define USB_PID_DATA_TOGGLE 0x88 + struct usb_ctrlrequest { u8 bRequestType; u8 bRequest; |