diff options
Diffstat (limited to 'drivers/usb/dwc3/debug.h')
| -rw-r--r-- | drivers/usb/dwc3/debug.h | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/debug.h b/drivers/usb/dwc3/debug.h index 9baabed87d61..068259fdfb0c 100644 --- a/drivers/usb/dwc3/debug.h +++ b/drivers/usb/dwc3/debug.h @@ -246,6 +246,258 @@ static inline const char *dwc3_gadget_event_string(char *str, size_t size, return str; } +static inline void dwc3_decode_get_status(__u8 t, __u16 i, __u16 l, char *str, + size_t size) +{ + switch (t & USB_RECIP_MASK) { + case USB_RECIP_DEVICE: + snprintf(str, size, "Get Device Status(Length = %d)", l); + break; + case USB_RECIP_INTERFACE: + snprintf(str, size, "Get Interface Status(Intf = %d, Length = %d)", + i, l); + break; + case USB_RECIP_ENDPOINT: + snprintf(str, size, "Get Endpoint Status(ep%d%s)", + i & ~USB_DIR_IN, + i & USB_DIR_IN ? "in" : "out"); + break; + } +} + +static inline void dwc3_decode_set_clear_feature(__u8 t, __u8 b, __u16 v, + __u16 i, char *str, size_t size) +{ + switch (t & USB_RECIP_MASK) { + case USB_RECIP_DEVICE: + snprintf(str, size, "%s Device Feature(%s%s)", + b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", + ({char *s; + switch (v) { + case USB_DEVICE_SELF_POWERED: + s = "Self Powered"; + break; + case USB_DEVICE_REMOTE_WAKEUP: + s = "Remote Wakeup"; + break; + case USB_DEVICE_TEST_MODE: + s = "Test Mode"; + break; + case USB_DEVICE_U1_ENABLE: + s = "U1 Enable"; + break; + case USB_DEVICE_U2_ENABLE: + s = "U2 Enable"; + break; + case USB_DEVICE_LTM_ENABLE: + s = "LTM Enable"; + break; + default: + s = "UNKNOWN"; + } s; }), + v == USB_DEVICE_TEST_MODE ? + ({ char *s; + switch (i) { + case TEST_J: + s = ": TEST_J"; + break; + case TEST_K: + s = ": TEST_K"; + break; + case TEST_SE0_NAK: + s = ": TEST_SE0_NAK"; + break; + case TEST_PACKET: + s = ": TEST_PACKET"; + break; + case TEST_FORCE_EN: + s = ": TEST_FORCE_EN"; + break; + default: + s = ": UNKNOWN"; + } s; }) : ""); + break; + case USB_RECIP_INTERFACE: + snprintf(str, size, "%s Interface Feature(%s)", + b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", + v == USB_INTRF_FUNC_SUSPEND ? + "Function Suspend" : "UNKNOWN"); + break; + case USB_RECIP_ENDPOINT: + snprintf(str, size, "%s Endpoint Feature(%s ep%d%s)", + b == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", + v == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN", + i & ~USB_DIR_IN, + i & USB_DIR_IN ? "in" : "out"); + break; + } +} + +static inline void dwc3_decode_set_address(__u16 v, char *str, size_t size) +{ + snprintf(str, size, "Set Address(Addr = %02x)", v); +} + +static inline void dwc3_decode_get_set_descriptor(__u8 t, __u8 b, __u16 v, + __u16 i, __u16 l, char *str, size_t size) +{ + snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)", + b == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set", + ({ char *s; + switch (v >> 8) { + case USB_DT_DEVICE: + s = "Device"; + break; + case USB_DT_CONFIG: + s = "Configuration"; + break; + case USB_DT_STRING: + s = "String"; + break; + case USB_DT_INTERFACE: + s = "Interface"; + break; + case USB_DT_ENDPOINT: + s = "Endpoint"; + break; + case USB_DT_DEVICE_QUALIFIER: + s = "Device Qualifier"; + break; + case USB_DT_OTHER_SPEED_CONFIG: + s = "Other Speed Config"; + break; + case USB_DT_INTERFACE_POWER: + s = "Interface Power"; + break; + case USB_DT_OTG: + s = "OTG"; + break; + case USB_DT_DEBUG: + s = "Debug"; + break; + case USB_DT_INTERFACE_ASSOCIATION: + s = "Interface Association"; + break; + case USB_DT_BOS: + s = "BOS"; + break; + case USB_DT_DEVICE_CAPABILITY: + s = "Device Capability"; + break; + case USB_DT_PIPE_USAGE: + s = "Pipe Usage"; + break; + case USB_DT_SS_ENDPOINT_COMP: + s = "SS Endpoint Companion"; + break; + case USB_DT_SSP_ISOC_ENDPOINT_COMP: + s = "SSP Isochronous Endpoint Companion"; + break; + default: + s = "UNKNOWN"; + break; + } s; }), v & 0xff, l); +} + + +static inline void dwc3_decode_get_configuration(__u16 l, char *str, + size_t size) +{ + snprintf(str, size, "Get Configuration(Length = %d)", l); +} + +static inline void dwc3_decode_set_configuration(__u8 v, char *str, size_t size) +{ + snprintf(str, size, "Set Configuration(Config = %d)", v); +} + +static inline void dwc3_decode_get_intf(__u16 i, __u16 l, char *str, + size_t size) +{ + snprintf(str, size, "Get Interface(Intf = %d, Length = %d)", i, l); +} + +static inline void dwc3_decode_set_intf(__u8 v, __u16 i, char *str, size_t size) +{ + snprintf(str, size, "Set Interface(Intf = %d, Alt.Setting = %d)", i, v); +} + +static inline void dwc3_decode_synch_frame(__u16 i, __u16 l, char *str, + size_t size) +{ + snprintf(str, size, "Synch Frame(Endpoint = %d, Length = %d)", i, l); +} + +static inline void dwc3_decode_set_sel(__u16 l, char *str, size_t size) +{ + snprintf(str, size, "Set SEL(Length = %d)", l); +} + +static inline void dwc3_decode_set_isoch_delay(__u8 v, char *str, size_t size) +{ + snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", v); +} + +/** + * dwc3_decode_ctrl - returns a string represetion of ctrl request + */ +static inline const char *dwc3_decode_ctrl(char *str, size_t size, + __u8 bRequestType, __u8 bRequest, __u16 wValue, __u16 wIndex, + __u16 wLength) +{ + switch (bRequest) { + case USB_REQ_GET_STATUS: + dwc3_decode_get_status(bRequestType, wIndex, wLength, str, + size); + break; + case USB_REQ_CLEAR_FEATURE: + case USB_REQ_SET_FEATURE: + dwc3_decode_set_clear_feature(bRequestType, bRequest, wValue, + wIndex, str, size); + break; + case USB_REQ_SET_ADDRESS: + dwc3_decode_set_address(wValue, str, size); + break; + case USB_REQ_GET_DESCRIPTOR: + case USB_REQ_SET_DESCRIPTOR: + dwc3_decode_get_set_descriptor(bRequestType, bRequest, wValue, + wIndex, wLength, str, size); + break; + case USB_REQ_GET_CONFIGURATION: + dwc3_decode_get_configuration(wLength, str, size); + break; + case USB_REQ_SET_CONFIGURATION: + dwc3_decode_set_configuration(wValue, str, size); + break; + case USB_REQ_GET_INTERFACE: + dwc3_decode_get_intf(wIndex, wLength, str, size); + break; + case USB_REQ_SET_INTERFACE: + dwc3_decode_set_intf(wValue, wIndex, str, size); + break; + case USB_REQ_SYNCH_FRAME: + dwc3_decode_synch_frame(wIndex, wLength, str, size); + break; + case USB_REQ_SET_SEL: + dwc3_decode_set_sel(wLength, str, size); + break; + case USB_REQ_SET_ISOCH_DELAY: + dwc3_decode_set_isoch_delay(wValue, str, size); + break; + default: + snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x", + bRequestType, bRequest, + cpu_to_le16(wValue) & 0xff, + cpu_to_le16(wValue) >> 8, + cpu_to_le16(wIndex) & 0xff, + cpu_to_le16(wIndex) >> 8, + cpu_to_le16(wLength) & 0xff, + cpu_to_le16(wLength) >> 8); + } + + return str; +} + /** * dwc3_ep_event_string - returns event name * @event: then event code |