1e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 2e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * This file holds USB constants and structures that are needed for 3e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB device APIs. These are used by the USB device model, which is 4e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * defined in chapter 9 of the USB 2.0 specification and in the 5e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Wireless USB 1.0 (spread around). Linux has several APIs in C that 6e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * need these: 7e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 8e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * - the master/host side Linux-USB kernel driver API; 9e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * - the "usbfs" user space API; and 10e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * - the Linux "gadget" slave/device/peripheral side driver API. 11e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 12e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB 2.0 adds an additional "On The Go" (OTG) mode, which lets systems 13e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * act either as a USB master/host or as a USB slave/device. That means 14e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * the master and slave side APIs benefit from working well together. 15e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 16e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * There's also "Wireless USB", using low power short range radios for 17e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * peripheral interconnection but otherwise building on the USB framework. 18e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 19e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Note all descriptors are declared '__attribute__((packed))' so that: 20e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 21e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * [a] they never get padded, either internally (USB spec writers 22e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * probably handled that) or externally; 23e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 24e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * [b] so that accessing bigger-than-a-bytes fields will never 25e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * generate bus errors on any platform, even when the location of 26e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * its descriptor inside a bundle isn't "naturally aligned", and 27e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 28e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * [c] for consistency, removing all doubt even when it appears to 29e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * someone that the two other points are non-issues for that 30e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * particular descriptor type. 31e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 32e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 33e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#ifndef __LINUX_USB_CH9_H 34e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define __LINUX_USB_CH9_H 35e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 36e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#include <linux/types.h> /* __u8 etc */ 37e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#include <asm/byteorder.h> /* le16_to_cpu */ 38e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 39e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 40e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 41e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* CONTROL REQUEST SUPPORT */ 42e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 43e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 44e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB directions 45e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 46e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * This bit flag is used in endpoint descriptors' bEndpointAddress field. 47e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * It's also one of three fields in control requests bRequestType. 48e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 49e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DIR_OUT 0 /* to device */ 50e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DIR_IN 0x80 /* to host */ 51e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 52e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 53e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB types, the second of three bRequestType fields 54e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 55e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_TYPE_MASK (0x03 << 5) 56e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_TYPE_STANDARD (0x00 << 5) 57e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_TYPE_CLASS (0x01 << 5) 58e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_TYPE_VENDOR (0x02 << 5) 59e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_TYPE_RESERVED (0x03 << 5) 60e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 61e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 62e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB recipients, the third of three bRequestType fields 63e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 64e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_MASK 0x1f 65e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_DEVICE 0x00 66e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_INTERFACE 0x01 67e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_ENDPOINT 0x02 68e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_OTHER 0x03 69e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* From Wireless USB 1.0 */ 70e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_PORT 0x04 71e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_RECIP_RPIPE 0x05 72e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 73e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 74e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Standard requests, for the bRequest field of a SETUP packet. 75e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 76e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * These are qualified by the bRequestType field, so that for example 77e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved 78e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * by a GET_STATUS request. 79e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 80e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_STATUS 0x00 81e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_CLEAR_FEATURE 0x01 82e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_FEATURE 0x03 83e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_ADDRESS 0x05 84e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_DESCRIPTOR 0x06 85e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_DESCRIPTOR 0x07 86e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_CONFIGURATION 0x08 87e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_CONFIGURATION 0x09 88e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_INTERFACE 0x0A 89e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_INTERFACE 0x0B 90e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SYNCH_FRAME 0x0C 91e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_SEL 0x30 92e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 93e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_ENCRYPTION 0x0D /* Wireless USB */ 94e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_ENCRYPTION 0x0E 95e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_RPIPE_ABORT 0x0E 96e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_HANDSHAKE 0x0F 97e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_RPIPE_RESET 0x0F 98e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_HANDSHAKE 0x10 99e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_CONNECTION 0x11 100e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_SECURITY_DATA 0x12 101e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_GET_SECURITY_DATA 0x13 102e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_WUSB_DATA 0x14 103e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_LOOPBACK_DATA_WRITE 0x15 104e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_LOOPBACK_DATA_READ 0x16 105e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_REQ_SET_INTERFACE_DS 0x17 106e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 107e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* The Link Power Management (LPM) ECN defines USB_REQ_TEST_AND_SET command, 108e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * used by hubs to put ports into a new L1 suspend state, except that it 109e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * forgot to define its number ... 110e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 111e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 112e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 113e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB feature flags are written using USB_REQ_{CLEAR,SET}_FEATURE, and 114e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * are read as a bit array returned by USB_REQ_GET_STATUS. (So there 115e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * are at most sixteen features of each type.) Hubs may also support a 116e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * new USB_REQ_TEST_AND_SET_FEATURE to put ports into L1 suspend. 117e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 118e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_SELF_POWERED 0 /* (read only) */ 119e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_REMOTE_WAKEUP 1 /* dev may initiate wakeup */ 120e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_TEST_MODE 2 /* (wired high speed only) */ 121e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_BATTERY 2 /* (wireless) */ 122e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_B_HNP_ENABLE 3 /* (otg) dev may initiate HNP */ 123e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_WUSB_DEVICE 3 /* (wireless)*/ 124e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_A_HNP_SUPPORT 4 /* (otg) RH port supports HNP */ 125e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_A_ALT_HNP_SUPPORT 5 /* (otg) other RH port does */ 126e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_DEBUG_MODE 6 /* (special devices only) */ 127e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 128e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 129e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Test Mode Selectors 130e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * See USB 2.0 spec Table 9-7 131e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 132e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define TEST_J 1 133e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define TEST_K 2 134e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define TEST_SE0_NAK 3 135e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define TEST_PACKET 4 136e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define TEST_FORCE_EN 5 137e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 138e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 139e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * New Feature Selectors as added by USB 3.0 140e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * See USB 3.0 spec Table 9-6 141e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 142e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_U1_ENABLE 48 /* dev may initiate U1 transition */ 143e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_U2_ENABLE 49 /* dev may initiate U2 transition */ 144e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEVICE_LTM_ENABLE 50 /* dev may send LTM */ 145e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_INTRF_FUNC_SUSPEND 0 /* function suspend */ 146e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 147e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_INTR_FUNC_SUSPEND_OPT_MASK 0xFF00 148e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 149e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Suspend Options, Table 9-7 USB 3.0 spec 150e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 151e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_INTRF_FUNC_SUSPEND_LP (1 << (8 + 0)) 152e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_INTRF_FUNC_SUSPEND_RW (1 << (8 + 1)) 153e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 154e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */ 155e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 156e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* Bit array elements as returned by the USB_REQ_GET_STATUS request. */ 157e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEV_STAT_U1_ENABLED 2 /* transition into U1 state */ 158e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEV_STAT_U2_ENABLED 3 /* transition into U2 state */ 159e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DEV_STAT_LTM_ENABLED 4 /* Latency tolerance messages */ 160e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 161e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 162e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * struct usb_ctrlrequest - SETUP data for a USB device control request 163e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @bRequestType: matches the USB bmRequestType field 164e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @bRequest: matches the USB bRequest field 165e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @wValue: matches the USB wValue field (le16 byte order) 166e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @wIndex: matches the USB wIndex field (le16 byte order) 167e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @wLength: matches the USB wLength field (le16 byte order) 168e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 169e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * This structure is used to send control requests to a USB device. It matches 170e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * the different fields of the USB 2.0 Spec section 9.3, table 9-2. See the 171e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB spec for a fuller description of the different fields, and what they are 172e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * used for. 173e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 174e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Note that the driver for any interface can issue control requests. 175e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * For most devices, interfaces don't coordinate with each other, so 176e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * such requests may be made at any time. 177e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 178e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_ctrlrequest { 179e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bRequestType; 180e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bRequest; 181e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wValue; 182e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wIndex; 183e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wLength; 184e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 185e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 186e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 187e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 188e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 189e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * STANDARD DESCRIPTORS ... as returned by GET_DESCRIPTOR, or 190e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * (rarely) accepted by SET_DESCRIPTOR. 191e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 192e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Note that all multi-byte values here are encoded in little endian 193e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * byte order "on the wire". Within the kernel and when exposed 194e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * through the Linux-USB APIs, they are not converted to cpu byte 195e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * order; it is the responsibility of the client code to do this. 196e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * The single exception is when device and configuration descriptors (but 197e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * not other descriptors) are read from usbfs (i.e. /proc/bus/usb/BBB/DDD); 198e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * in this case the fields are converted to host endianness by the kernel. 199e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 200e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 201e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 202e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Descriptor types ... USB 2.0 spec table 9.5 203e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 204e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_DEVICE 0x01 205e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CONFIG 0x02 206e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_STRING 0x03 207e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_INTERFACE 0x04 208e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_ENDPOINT 0x05 209e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_DEVICE_QUALIFIER 0x06 210e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_OTHER_SPEED_CONFIG 0x07 211e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_INTERFACE_POWER 0x08 212e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* these are from a minor usb 2.0 revision (ECN) */ 213e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_OTG 0x09 214e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_DEBUG 0x0a 215e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_INTERFACE_ASSOCIATION 0x0b 216e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* these are from the Wireless USB spec */ 217e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_SECURITY 0x0c 218e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_KEY 0x0d 219e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_ENCRYPTION_TYPE 0x0e 220e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_BOS 0x0f 221e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_DEVICE_CAPABILITY 0x10 222e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_WIRELESS_ENDPOINT_COMP 0x11 223e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_WIRE_ADAPTER 0x21 224e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_RPIPE 0x22 225e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CS_RADIO_CONTROL 0x23 226e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* From the T10 UAS specification */ 227e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_PIPE_USAGE 0x24 228e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* From the USB 3.0 spec */ 229e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_SS_ENDPOINT_COMP 0x30 230e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 231e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* Conventional codes for class-specific descriptors. The convention is 232e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * defined in the USB "Common Class" Spec (3.11). Individual class specs 233e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * are authoritative for their usage, not the "common class" writeup. 234e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 235e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CS_DEVICE (USB_TYPE_CLASS | USB_DT_DEVICE) 236e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CS_CONFIG (USB_TYPE_CLASS | USB_DT_CONFIG) 237e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CS_STRING (USB_TYPE_CLASS | USB_DT_STRING) 238e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CS_INTERFACE (USB_TYPE_CLASS | USB_DT_INTERFACE) 239e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CS_ENDPOINT (USB_TYPE_CLASS | USB_DT_ENDPOINT) 240e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 241e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* All standard descriptors have these 2 fields at the beginning */ 242e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_descriptor_header { 243e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 244e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 245e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 246e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 247e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 248e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 249e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 250e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_DEVICE: Device descriptor */ 251e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_device_descriptor { 252e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 253e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 254e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 255e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 bcdUSB; 256e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDeviceClass; 257e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDeviceSubClass; 258e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDeviceProtocol; 259e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMaxPacketSize0; 260e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 idVendor; 261e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 idProduct; 262e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 bcdDevice; 263e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 iManufacturer; 264e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 iProduct; 265e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 iSerialNumber; 266e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bNumConfigurations; 267e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 268e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 269e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_DEVICE_SIZE 18 270e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 271e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 272e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 273e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Device and/or Interface Class codes 274e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * as found in bDeviceClass or bInterfaceClass 275e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * and defined by www.usb.org documents 276e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 277e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_PER_INTERFACE 0 /* for DeviceClass */ 278e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_AUDIO 1 279e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_COMM 2 280e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_HID 3 281e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_PHYSICAL 5 282e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_STILL_IMAGE 6 283e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_PRINTER 7 284e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_MASS_STORAGE 8 285e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_HUB 9 286e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_CDC_DATA 0x0a 287e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_CSCID 0x0b /* chip+ smart card */ 288e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_CONTENT_SEC 0x0d /* content security */ 289e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_VIDEO 0x0e 290e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_WIRELESS_CONTROLLER 0xe0 291e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_MISC 0xef 292e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_APP_SPEC 0xfe 293e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CLASS_VENDOR_SPEC 0xff 294e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 295e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_SUBCLASS_VENDOR_SPEC 0xff 296e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 297e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 298e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 299e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_CONFIG: Configuration descriptor information. 300e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 301e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB_DT_OTHER_SPEED_CONFIG is the same descriptor, except that the 302e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * descriptor type is different. Highspeed-capable devices can look 303e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * different depending on what speed they're currently running. Only 304e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * devices with a USB_DT_DEVICE_QUALIFIER have any OTHER_SPEED_CONFIG 305e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * descriptors. 306e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 307e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_config_descriptor { 308e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 309e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 310e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 311e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wTotalLength; 312e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bNumInterfaces; 313e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bConfigurationValue; 314e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 iConfiguration; 315e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmAttributes; 316e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMaxPower; 317e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 318e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 319e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_CONFIG_SIZE 9 320e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 321e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* from config descriptor bmAttributes */ 322e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CONFIG_ATT_ONE (1 << 7) /* must be set */ 323e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CONFIG_ATT_SELFPOWER (1 << 6) /* self powered */ 324e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CONFIG_ATT_WAKEUP (1 << 5) /* can wakeup */ 325e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CONFIG_ATT_BATTERY (1 << 4) /* battery powered */ 326e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 327e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 328e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 329e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_STRING: String descriptor */ 330e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_string_descriptor { 331e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 332e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 333e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 334e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wData[1]; /* UTF-16LE encoded */ 335e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 336e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 337e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* note that "string" zero is special, it holds language codes that 338e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * the device supports, not Unicode characters. 339e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 340e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 341e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 342e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 343e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_INTERFACE: Interface descriptor */ 344e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_interface_descriptor { 345e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 346e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 347e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 348e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bInterfaceNumber; 349e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bAlternateSetting; 350e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bNumEndpoints; 351e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bInterfaceClass; 352e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bInterfaceSubClass; 353e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bInterfaceProtocol; 354e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 iInterface; 355e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 356e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 357e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_INTERFACE_SIZE 9 358e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 359e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 360e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 361e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_ENDPOINT: Endpoint descriptor */ 362e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_endpoint_descriptor { 363e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 364e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 365e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 366e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bEndpointAddress; 367e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmAttributes; 368e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wMaxPacketSize; 369e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bInterval; 370e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 371e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby /* NOTE: these two are _only_ in audio endpoints. */ 372e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby /* use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof. */ 373e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bRefresh; 374e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bSynchAddress; 375e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 376e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 377e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_ENDPOINT_SIZE 7 378e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_ENDPOINT_AUDIO_SIZE 9 /* Audio extension */ 379e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 380e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 381e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 382e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Endpoints 383e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 384e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_NUMBER_MASK 0x0f /* in bEndpointAddress */ 385e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_DIR_MASK 0x80 386e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 387e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_XFERTYPE_MASK 0x03 /* in bmAttributes */ 388e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_XFER_CONTROL 0 389e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_XFER_ISOC 1 390e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_XFER_BULK 2 391e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_XFER_INT 3 392e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_MAX_ADJUSTABLE 0x80 393e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 394e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SYNCTYPE 0x0c 395e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SYNC_NONE (0 << 2) 396e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SYNC_ASYNC (1 << 2) 397e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SYNC_ADAPTIVE (2 << 2) 398e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SYNC_SYNC (3 << 2) 399e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 400e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_USAGE_MASK 0x30 401e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_USAGE_DATA 0x00 402e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_USAGE_FEEDBACK 0x10 403e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_USAGE_IMPLICIT_FB 0x20 /* Implicit feedback Data endpoint */ 404e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 405e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 406e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 407e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 408e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_num - get the endpoint's number 409e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 410e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 411e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns @epd's number: 0 to 15. 412e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 413e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_num(const struct usb_endpoint_descriptor *epd) 414e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 415e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; 416e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 417e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 418e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 419e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_type - get the endpoint's transfer type 420e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 421e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 422e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns one of USB_ENDPOINT_XFER_{CONTROL, ISOC, BULK, INT} according 423e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * to @epd's transfer type. 424e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 425e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_type(const struct usb_endpoint_descriptor *epd) 426e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 427e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; 428e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 429e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 430e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 431e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_dir_in - check if the endpoint has IN direction 432e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 433e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 434e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint is of type IN, otherwise it returns false. 435e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 436e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_dir_in(const struct usb_endpoint_descriptor *epd) 437e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 438e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN); 439e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 440e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 441e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 442e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_dir_out - check if the endpoint has OUT direction 443e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 444e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 445e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint is of type OUT, otherwise it returns false. 446e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 447e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_dir_out( 448e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 449e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 450e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return ((epd->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_OUT); 451e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 452e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 453e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 454e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_xfer_bulk - check if the endpoint has bulk transfer type 455e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 456e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 457e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint is of type bulk, otherwise it returns false. 458e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 459e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_xfer_bulk( 460e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 461e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 462e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == 463e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_ENDPOINT_XFER_BULK); 464e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 465e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 466e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 467e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_xfer_control - check if the endpoint has control transfer type 468e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 469e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 470e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint is of type control, otherwise it returns false. 471e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 472e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_xfer_control( 473e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 474e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 475e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == 476e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_ENDPOINT_XFER_CONTROL); 477e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 478e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 479e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 480e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_xfer_int - check if the endpoint has interrupt transfer type 481e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 482e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 483e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint is of type interrupt, otherwise it returns 484e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * false. 485e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 486e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_xfer_int( 487e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 488e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 489e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == 490e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_ENDPOINT_XFER_INT); 491e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 492e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 493e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 494e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_xfer_isoc - check if the endpoint has isochronous transfer type 495e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 496e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 497e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint is of type isochronous, otherwise it returns 498e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * false. 499e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 500e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_xfer_isoc( 501e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 502e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 503e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return ((epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == 504e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_ENDPOINT_XFER_ISOC); 505e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 506e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 507e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 508e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_is_bulk_in - check if the endpoint is bulk IN 509e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 510e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 511e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint has bulk transfer type and IN direction, 512e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * otherwise it returns false. 513e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 514e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_is_bulk_in( 515e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 516e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 517e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_in(epd); 518e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 519e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 520e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 521e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_is_bulk_out - check if the endpoint is bulk OUT 522e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 523e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 524e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint has bulk transfer type and OUT direction, 525e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * otherwise it returns false. 526e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 527e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_is_bulk_out( 528e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 529e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 530e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return usb_endpoint_xfer_bulk(epd) && usb_endpoint_dir_out(epd); 531e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 532e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 533e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 534e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_is_int_in - check if the endpoint is interrupt IN 535e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 536e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 537e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint has interrupt transfer type and IN direction, 538e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * otherwise it returns false. 539e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 540e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_is_int_in( 541e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 542e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 543e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return usb_endpoint_xfer_int(epd) && usb_endpoint_dir_in(epd); 544e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 545e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 546e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 547e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_is_int_out - check if the endpoint is interrupt OUT 548e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 549e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 550e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint has interrupt transfer type and OUT direction, 551e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * otherwise it returns false. 552e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 553e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_is_int_out( 554e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 555e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 556e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return usb_endpoint_xfer_int(epd) && usb_endpoint_dir_out(epd); 557e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 558e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 559e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 560e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_is_isoc_in - check if the endpoint is isochronous IN 561e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 562e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 563e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint has isochronous transfer type and IN direction, 564e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * otherwise it returns false. 565e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 566e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_is_isoc_in( 567e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 568e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 569e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_in(epd); 570e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 571e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 572e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 573e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_is_isoc_out - check if the endpoint is isochronous OUT 574e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 575e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 576e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns true if the endpoint has isochronous transfer type and OUT direction, 577e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * otherwise it returns false. 578e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 579e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_is_isoc_out( 580e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby const struct usb_endpoint_descriptor *epd) 581e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 582e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return usb_endpoint_xfer_isoc(epd) && usb_endpoint_dir_out(epd); 583e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 584e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 585e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 586e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_endpoint_maxp - get endpoint's max packet size 587e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @epd: endpoint to be checked 588e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * 589e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Returns @epd's max packet 590e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 591e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int usb_endpoint_maxp(const struct usb_endpoint_descriptor *epd) 592e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 593e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return __le16_to_cpu(epd->wMaxPacketSize); 594e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 595e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 596e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 597e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 598e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_SS_ENDPOINT_COMP: SuperSpeed Endpoint Companion descriptor */ 599e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_ss_ep_comp_descriptor { 600e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 601e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 602e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 603e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMaxBurst; 604e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmAttributes; 605e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wBytesPerInterval; 606e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 607e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 608e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_SS_EP_COMP_SIZE 6 609e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 610e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* Bits 4:0 of bmAttributes if this is a bulk endpoint */ 611e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystatic inline int 612e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobyusb_ss_max_streams(const struct usb_ss_ep_comp_descriptor *comp) 613e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby{ 614e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby int max_streams; 615e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 616e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby if (!comp) 617e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return 0; 618e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 619e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby max_streams = comp->bmAttributes & 0x1f; 620e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 621e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby if (!max_streams) 622e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return 0; 623e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 624e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby max_streams = 1 << max_streams; 625e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 626e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby return max_streams; 627e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} 628e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 629e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* Bits 1:0 of bmAttributes if this is an isoc endpoint */ 630e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_SS_MULT(p) (1 + ((p) & 0x3)) 631e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 632e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 633e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 634e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_DEVICE_QUALIFIER: Device Qualifier descriptor */ 635e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_qualifier_descriptor { 636e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 637e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 638e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 639e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 bcdUSB; 640e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDeviceClass; 641e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDeviceSubClass; 642e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDeviceProtocol; 643e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMaxPacketSize0; 644e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bNumConfigurations; 645e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bRESERVED; 646e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 647e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 648e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 649e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 650e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 651e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_OTG (from OTG 1.0a supplement) */ 652e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_otg_descriptor { 653e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 654e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 655e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 656e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmAttributes; /* support for HNP, SRP, etc */ 657e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 658e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 659e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* from usb_otg_descriptor.bmAttributes */ 660e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_OTG_SRP (1 << 0) 661e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_OTG_HNP (1 << 1) /* swap host/device roles */ 662e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 663e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 664e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 665e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_DEBUG: for special highspeed devices, replacing serial console */ 666e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_debug_descriptor { 667e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 668e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 669e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 670e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby /* bulk endpoints with 8 byte maxpacket */ 671e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDebugInEndpoint; 672e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDebugOutEndpoint; 673e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 674e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 675e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 676e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 677e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_INTERFACE_ASSOCIATION: groups interfaces */ 678e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_interface_assoc_descriptor { 679e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 680e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 681e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 682e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bFirstInterface; 683e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bInterfaceCount; 684e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bFunctionClass; 685e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bFunctionSubClass; 686e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bFunctionProtocol; 687e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 iFunction; 688e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__ ((packed)); 689e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 690e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 691e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 692e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 693e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_SECURITY: group of wireless security descriptors, including 694e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * encryption types available for setting up a CC/association. 695e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 696e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_security_descriptor { 697e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 698e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 699e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 700e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wTotalLength; 701e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bNumEncryptionTypes; 702e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 703e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 704e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 705e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 706e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_KEY: used with {GET,SET}_SECURITY_DATA; only public keys 707e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * may be retrieved. 708e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 709e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_key_descriptor { 710e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 711e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 712e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 713e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 tTKID[3]; 714e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bReserved; 715e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bKeyData[0]; 716e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 717e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 718e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 719e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 720e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_ENCRYPTION_TYPE: bundled in DT_SECURITY groups */ 721e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_encryption_descriptor { 722e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 723e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 724e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 725e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bEncryptionType; 726e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENC_TYPE_UNSECURE 0 727e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENC_TYPE_WIRED 1 /* non-wireless mode */ 728e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENC_TYPE_CCM_1 2 /* aes128/cbc session */ 729e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENC_TYPE_RSA_1 3 /* rsa3072/sha1 auth */ 730e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bEncryptionValue; /* use in SET_ENCRYPTION */ 731e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bAuthKeyIndex; 732e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 733e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 734e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 735e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 736e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 737e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_BOS: group of device-level capabilities */ 738e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_bos_descriptor { 739e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 740e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 741e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 742e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wTotalLength; 743e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bNumDeviceCaps; 744e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 745e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 746e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_BOS_SIZE 5 747e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 748e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 749e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_DEVICE_CAPABILITY: grouped with BOS */ 750e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_dev_cap_header { 751e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 752e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 753e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDevCapabilityType; 754e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 755e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 756e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CAP_TYPE_WIRELESS_USB 1 757e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 758e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_wireless_cap_descriptor { /* Ultra Wide Band */ 759e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 760e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 761e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDevCapabilityType; 762e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 763e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmAttributes; 764e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_P2P_DRD (1 << 1) 765e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_BEACON_MASK (3 << 2) 766e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_BEACON_SELF (1 << 2) 767e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_BEACON_DIRECTED (2 << 2) 768e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_BEACON_NONE (3 << 2) 769e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wPHYRates; /* bit rates, Mbps */ 770e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_53 (1 << 0) /* always set */ 771e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_80 (1 << 1) 772e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_107 (1 << 2) /* always set */ 773e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_160 (1 << 3) 774e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_200 (1 << 4) /* always set */ 775e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_320 (1 << 5) 776e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_400 (1 << 6) 777e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_WIRELESS_PHY_480 (1 << 7) 778e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmTFITXPowerInfo; /* TFI power levels */ 779e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmFFITXPowerInfo; /* FFI power levels */ 780e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 bmBandGroup; 781e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bReserved; 782e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 783e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 784e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB 2.0 Extension descriptor */ 785e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_CAP_TYPE_EXT 2 786e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 787e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_ext_cap_descriptor { /* Link Power Management */ 788e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 789e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 790e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDevCapabilityType; 791e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le32 bmAttributes; 792e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_LPM_SUPPORT (1 << 1) /* supports LPM */ 793e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 794e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 795e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_USB_EXT_CAP_SIZE 7 796e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 797e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 798e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * SuperSpeed USB Capability descriptor: Defines the set of SuperSpeed USB 799e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * specific device level capabilities 800e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 801e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_SS_CAP_TYPE 3 802e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_ss_cap_descriptor { /* Link Power Management */ 803e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 804e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 805e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDevCapabilityType; 806e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmAttributes; 807e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_LTM_SUPPORT (1 << 1) /* supports LTM */ 808e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wSpeedSupported; 809e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_LOW_SPEED_OPERATION (1) /* Low speed operation */ 810e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_FULL_SPEED_OPERATION (1 << 1) /* Full speed operation */ 811e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_HIGH_SPEED_OPERATION (1 << 2) /* High speed operation */ 812e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_5GBPS_OPERATION (1 << 3) /* Operation at 5Gbps */ 813e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bFunctionalitySupport; 814e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bU1devExitLat; 815e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 bU2DevExitLat; 816e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 817e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 818e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_USB_SS_CAP_SIZE 10 819e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 820e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 821e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * Container ID Capability descriptor: Defines the instance unique ID used to 822e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * identify the instance across all operating modes 823e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 824e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define CONTAINER_ID_TYPE 4 825e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_ss_container_id_descriptor { 826e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 827e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 828e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDevCapabilityType; 829e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bReserved; 830e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 ContainerID[16]; /* 128-bit number */ 831e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 832e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 833e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_DT_USB_SS_CONTN_ID_SIZE 20 834e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 835e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 836e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_DT_WIRELESS_ENDPOINT_COMP: companion descriptor associated with 837e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * each endpoint descriptor for a wireless device 838e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 839e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_wireless_ep_comp_descriptor { 840e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bLength; 841e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bDescriptorType; 842e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 843e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMaxBurst; 844e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMaxSequence; 845e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wMaxStreamDelay; 846e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __le16 wOverTheAirPacketSize; 847e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bOverTheAirInterval; 848e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bmCompAttributes; 849e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SWITCH_MASK 0x03 /* in bmCompAttributes */ 850e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SWITCH_NO 0 851e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SWITCH_SWITCH 1 852e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_ENDPOINT_SWITCH_SCALE 2 853e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 854e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 855e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 856e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 857e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_REQ_SET_HANDSHAKE is a four-way handshake used between a wireless 858e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * host and a device for connection set up, mutual authentication, and 859e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * exchanging short lived session keys. The handshake depends on a CC. 860e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 861e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_handshake { 862e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bMessageNumber; 863e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bStatus; 864e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 tTKID[3]; 865e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 bReserved; 866e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 CDID[16]; 867e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 nonce[16]; 868e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 MIC[8]; 869e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 870e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 871e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 872e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 873e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB_REQ_SET_CONNECTION modifies or revokes a connection context (CC). 874e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * A CC may also be set up using non-wireless secure channels (including 875e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * wired USB!), and some devices may support CCs with multiple hosts. 876e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 877e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobystruct usb_connection_context { 878e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 CHID[16]; /* persistent host id */ 879e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 CDID[16]; /* device id (unique w/in host context) */ 880e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby __u8 CK[16]; /* connection key */ 881e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby} __attribute__((packed)); 882e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 883e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 884e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 885e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* USB 2.0 defines three speeds, here's how Linux identifies them */ 886e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 887e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobyenum usb_device_speed { 888e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_SPEED_UNKNOWN = 0, /* enumerating */ 889e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_SPEED_LOW, USB_SPEED_FULL, /* usb 1.1 */ 890e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_SPEED_HIGH, /* usb 2.0 */ 891e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_SPEED_WIRELESS, /* wireless (usb 2.5) */ 892e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_SPEED_SUPER, /* usb 3.0 */ 893e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby}; 894e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 895e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#ifdef __KERNEL__ 896e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 897e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/** 898e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * usb_speed_string() - Returns human readable-name of the speed. 899e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * @speed: The speed to return human-readable name for. If it's not 900e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * any of the speeds defined in usb_device_speed enum, string for 901e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * USB_SPEED_UNKNOWN will be returned. 902e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 903e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobyextern const char *usb_speed_string(enum usb_device_speed speed); 904e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 905e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#endif 906e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 907e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Gobyenum usb_device_state { 908e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby /* NOTATTACHED isn't in the USB spec, and this state acts 909e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * the same as ATTACHED ... but it's clearer this way. 910e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 911e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_NOTATTACHED = 0, 912e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 913e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby /* chapter 9 and authentication (wireless) device states */ 914e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_ATTACHED, 915e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_POWERED, /* wired */ 916e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_RECONNECTING, /* auth */ 917e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_UNAUTHENTICATED, /* auth */ 918e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_DEFAULT, /* limited function */ 919e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_ADDRESS, 920e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_CONFIGURED, /* most functions */ 921e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 922e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby USB_STATE_SUSPENDED 923e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 924e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby /* NOTE: there are actually four different SUSPENDED 925e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * states, returning to POWERED, DEFAULT, ADDRESS, or 926e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * CONFIGURED respectively when SOF tokens flow again. 927e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * At this level there's no difference between L1 and L2 928e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * suspend states. (L2 being original USB 1.1 suspend.) 929e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 930e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby}; 931e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 932e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/*-------------------------------------------------------------------------*/ 933e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 934e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby/* 935e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * As per USB compliance update, a device that is actively drawing 936e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * more than 100mA from USB must report itself as bus-powered in 937e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * the GetStatus(DEVICE) call. 938e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby * http://compliance.usb.org/index.asp?UpdateFile=Electrical&Format=Standard#34 939e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby */ 940e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#define USB_SELF_POWER_VBUS_MAX_DRAW 100 941e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby 942e8a057dc7d40dfdcf7a03fc9ffc4f09be784f92eBenoit Goby#endif /* __LINUX_USB_CH9_H */ 943