| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * This file holds the definitions of quirks found in USB devices. |
| 4 | * Only quirks that affect the whole device, not an interface, |
| 5 | * belong here. |
| 6 | */ |
| 7 | |
| 8 | #ifndef __LINUX_USB_QUIRKS_H |
| 9 | #define __LINUX_USB_QUIRKS_H |
| 10 | |
| 11 | /* string descriptors must not be fetched using a 255-byte read */ |
| 12 | #define USB_QUIRK_STRING_FETCH_255 BIT(0) |
| 13 | |
| 14 | /* device can't resume correctly so reset it instead */ |
| 15 | #define USB_QUIRK_RESET_RESUME BIT(1) |
| 16 | |
| 17 | /* device can't handle Set-Interface requests */ |
| 18 | #define USB_QUIRK_NO_SET_INTF BIT(2) |
| 19 | |
| 20 | /* device can't handle its Configuration or Interface strings */ |
| 21 | #define USB_QUIRK_CONFIG_INTF_STRINGS BIT(3) |
| 22 | |
| 23 | /* device can't be reset(e.g morph devices), don't use reset */ |
| 24 | #define USB_QUIRK_RESET BIT(4) |
| 25 | |
| 26 | /* device has more interface descriptions than the bNumInterfaces count, |
| 27 | and can't handle talking to these interfaces */ |
| 28 | #define USB_QUIRK_HONOR_BNUMINTERFACES BIT(5) |
| 29 | |
| 30 | /* device needs a pause during initialization, after we read the device |
| 31 | descriptor */ |
| 32 | #define USB_QUIRK_DELAY_INIT BIT(6) |
| 33 | |
| 34 | /* |
| 35 | * For high speed and super speed interupt endpoints, the USB 2.0 and |
| 36 | * USB 3.0 spec require the interval in microframes |
| 37 | * (1 microframe = 125 microseconds) to be calculated as |
| 38 | * interval = 2 ^ (bInterval-1). |
| 39 | * |
| 40 | * Devices with this quirk report their bInterval as the result of this |
| 41 | * calculation instead of the exponent variable used in the calculation. |
| 42 | */ |
| 43 | #define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL BIT(7) |
| 44 | |
| 45 | /* device can't handle device_qualifier descriptor requests */ |
| 46 | #define USB_QUIRK_DEVICE_QUALIFIER BIT(8) |
| 47 | |
| 48 | /* device generates spurious wakeup, ignore remote wakeup capability */ |
| 49 | #define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9) |
| 50 | |
| 51 | /* device can't handle Link Power Management */ |
| 52 | #define USB_QUIRK_NO_LPM BIT(10) |
| 53 | |
| 54 | /* |
| 55 | * Device reports its bInterval as linear frames instead of the |
| 56 | * USB 2.0 calculation. |
| 57 | */ |
| 58 | #define USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL BIT(11) |
| 59 | |
| 60 | /* |
| 61 | * Device needs to be disconnected before suspend to prevent spurious |
| 62 | * wakeup. |
| 63 | */ |
| 64 | #define USB_QUIRK_DISCONNECT_SUSPEND BIT(12) |
| 65 | |
| 66 | /* Device needs a pause after every control message. */ |
| 67 | #define USB_QUIRK_DELAY_CTRL_MSG BIT(13) |
| 68 | |
| 69 | /* Hub needs extra delay after resetting its port. */ |
| 70 | #define USB_QUIRK_HUB_SLOW_RESET BIT(14) |
| 71 | |
| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 72 | /* device has endpoints that should be ignored */ |
| 73 | #define USB_QUIRK_ENDPOINT_IGNORE BIT(15) |
| Olivier Deprez | 0e64123 | 2021-09-23 10:07:05 +0200 | [diff] [blame] | 74 | |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 75 | #endif /* __LINUX_USB_QUIRKS_H */ |