projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 7ceec1f1 ON |
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 | ||
| dda43a0e RD |
8 | #ifndef __LINUX_USB_QUIRKS_H |
| 9 | #define __LINUX_USB_QUIRKS_H | |
| 10 | ||
| 7ceec1f1 | 11 | /* string descriptors must not be fetched using a 255-byte read */ |
| 5cb307c4 | 12 | #define USB_QUIRK_STRING_FETCH_255 BIT(0) |
| 6bc6cff5 AS |
13 | |
| 14 | /* device can't resume correctly so reset it instead */ | |
| 5cb307c4 | 15 | #define USB_QUIRK_RESET_RESUME BIT(1) |
| 392e1d98 AS |
16 | |
| 17 | /* device can't handle Set-Interface requests */ | |
| 5cb307c4 | 18 | #define USB_QUIRK_NO_SET_INTF BIT(2) |
| dda43a0e | 19 | |
| 1662e3a7 | 20 | /* device can't handle its Configuration or Interface strings */ |
| 5cb307c4 | 21 | #define USB_QUIRK_CONFIG_INTF_STRINGS BIT(3) |
| 1662e3a7 | 22 | |
| 7fda953f | 23 | /* device can't be reset(e.g morph devices), don't use reset */ |
| 5cb307c4 | 24 | #define USB_QUIRK_RESET BIT(4) |
| 5d398779 | 25 | |
| 317149c6 HG |
26 | /* device has more interface descriptions than the bNumInterfaces count, |
| 27 | and can't handle talking to these interfaces */ | |
| 5cb307c4 | 28 | #define USB_QUIRK_HONOR_BNUMINTERFACES BIT(5) |
| 317149c6 | 29 | |
| 93362a87 PD |
30 | /* device needs a pause during initialization, after we read the device |
| 31 | descriptor */ | |
| 5cb307c4 | 32 | #define USB_QUIRK_DELAY_INIT BIT(6) |
| 93362a87 | 33 | |
| cd83ce9e JMI |
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 | */ | |
| 5cb307c4 | 43 | #define USB_QUIRK_LINEAR_UFRAME_INTR_BINTERVAL BIT(7) |
| cd83ce9e | 44 | |
| 2a159389 | 45 | /* device can't handle device_qualifier descriptor requests */ |
| 5cb307c4 | 46 | #define USB_QUIRK_DEVICE_QUALIFIER BIT(8) |
| 2a159389 | 47 | |
| ddbe1fca | 48 | /* device generates spurious wakeup, ignore remote wakeup capability */ |
| 5cb307c4 | 49 | #define USB_QUIRK_IGNORE_REMOTE_WAKEUP BIT(9) |
| ddbe1fca | 50 | |
| ad87e032 AS |
51 | /* device can't handle Link Power Management */ |
| 52 | #define USB_QUIRK_NO_LPM BIT(10) | |
| 53 | ||
| 3243367b ST |
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 | ||
| 8dd8d2c9 DD |
60 | /* |
| 61 | * Device needs to be disconnected before suspend to prevent spurious | |
| 62 | * wakeup. | |
| 63 | */ | |
| 64 | #define USB_QUIRK_DISCONNECT_SUSPEND BIT(12) | |
| 65 | ||
| cb88a058 DK |
66 | /* Device needs a pause after every control message. */ |
| 67 | #define USB_QUIRK_DELAY_CTRL_MSG BIT(13) | |
| 68 | ||
| dda43a0e | 69 | #endif /* __LINUX_USB_QUIRKS_H */ |