diff options
Diffstat (limited to 'drivers/usb/gadget/debug.c')
-rw-r--r-- | drivers/usb/gadget/debug.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/drivers/usb/gadget/debug.c b/drivers/usb/gadget/debug.c deleted file mode 100644 index d5a469bc67a3..000000000000 --- a/drivers/usb/gadget/debug.c +++ /dev/null @@ -1,268 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/** - * Common USB debugging functions - * - * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com - * - * Authors: Felipe Balbi <balbi@ti.com>, - * Sebastian Andrzej Siewior <bigeasy@linutronix.de> - */ - -#include <linux/usb/ch9.h> - -static void usb_decode_get_status(__u8 bRequestType, __u16 wIndex, - __u16 wLength, char *str, size_t size) -{ - switch (bRequestType & USB_RECIP_MASK) { - case USB_RECIP_DEVICE: - snprintf(str, size, "Get Device Status(Length = %d)", wLength); - break; - case USB_RECIP_INTERFACE: - snprintf(str, size, - "Get Interface Status(Intf = %d, Length = %d)", - wIndex, wLength); - break; - case USB_RECIP_ENDPOINT: - snprintf(str, size, "Get Endpoint Status(ep%d%s)", - wIndex & ~USB_DIR_IN, - wIndex & USB_DIR_IN ? "in" : "out"); - break; - } -} - -static void usb_decode_set_clear_feature(__u8 bRequestType, __u8 bRequest, - __u16 wValue, __u16 wIndex, - char *str, size_t size) -{ - switch (bRequestType & USB_RECIP_MASK) { - case USB_RECIP_DEVICE: - snprintf(str, size, "%s Device Feature(%s%s)", - bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", - ({char *s; - switch (wValue) { - 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; }), - wValue == USB_DEVICE_TEST_MODE ? - ({ char *s; - switch (wIndex) { - 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)", - bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", - wValue == USB_INTRF_FUNC_SUSPEND ? - "Function Suspend" : "UNKNOWN"); - break; - case USB_RECIP_ENDPOINT: - snprintf(str, size, "%s Endpoint Feature(%s ep%d%s)", - bRequest == USB_REQ_CLEAR_FEATURE ? "Clear" : "Set", - wValue == USB_ENDPOINT_HALT ? "Halt" : "UNKNOWN", - wIndex & ~USB_DIR_IN, - wIndex & USB_DIR_IN ? "in" : "out"); - break; - } -} - -static void usb_decode_set_address(__u16 wValue, char *str, size_t size) -{ - snprintf(str, size, "Set Address(Addr = %02x)", wValue); -} - -static void usb_decode_get_set_descriptor(__u8 bRequestType, __u8 bRequest, - __u16 wValue, __u16 wIndex, - __u16 wLength, char *str, size_t size) -{ - snprintf(str, size, "%s %s Descriptor(Index = %d, Length = %d)", - bRequest == USB_REQ_GET_DESCRIPTOR ? "Get" : "Set", - ({ char *s; - switch (wValue >> 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; }), wValue & 0xff, wLength); -} - -static void usb_decode_get_configuration(__u16 wLength, char *str, size_t size) -{ - snprintf(str, size, "Get Configuration(Length = %d)", wLength); -} - -static void usb_decode_set_configuration(__u8 wValue, char *str, size_t size) -{ - snprintf(str, size, "Set Configuration(Config = %d)", wValue); -} - -static void usb_decode_get_intf(__u16 wIndex, __u16 wLength, char *str, - size_t size) -{ - snprintf(str, size, "Get Interface(Intf = %d, Length = %d)", - wIndex, wLength); -} - -static void usb_decode_set_intf(__u8 wValue, __u16 wIndex, char *str, - size_t size) -{ - snprintf(str, size, "Set Interface(Intf = %d, Alt.Setting = %d)", - wIndex, wValue); -} - -static void usb_decode_synch_frame(__u16 wIndex, __u16 wLength, - char *str, size_t size) -{ - snprintf(str, size, "Synch Frame(Endpoint = %d, Length = %d)", - wIndex, wLength); -} - -static void usb_decode_set_sel(__u16 wLength, char *str, size_t size) -{ - snprintf(str, size, "Set SEL(Length = %d)", wLength); -} - -static void usb_decode_set_isoch_delay(__u8 wValue, char *str, size_t size) -{ - snprintf(str, size, "Set Isochronous Delay(Delay = %d ns)", wValue); -} - -/** - * usb_decode_ctrl - returns a string representation of ctrl request - */ -const char *usb_decode_ctrl(char *str, size_t size, __u8 bRequestType, - __u8 bRequest, __u16 wValue, __u16 wIndex, - __u16 wLength) -{ - switch (bRequest) { - case USB_REQ_GET_STATUS: - usb_decode_get_status(bRequestType, wIndex, wLength, str, size); - break; - case USB_REQ_CLEAR_FEATURE: - case USB_REQ_SET_FEATURE: - usb_decode_set_clear_feature(bRequestType, bRequest, wValue, - wIndex, str, size); - break; - case USB_REQ_SET_ADDRESS: - usb_decode_set_address(wValue, str, size); - break; - case USB_REQ_GET_DESCRIPTOR: - case USB_REQ_SET_DESCRIPTOR: - usb_decode_get_set_descriptor(bRequestType, bRequest, wValue, - wIndex, wLength, str, size); - break; - case USB_REQ_GET_CONFIGURATION: - usb_decode_get_configuration(wLength, str, size); - break; - case USB_REQ_SET_CONFIGURATION: - usb_decode_set_configuration(wValue, str, size); - break; - case USB_REQ_GET_INTERFACE: - usb_decode_get_intf(wIndex, wLength, str, size); - break; - case USB_REQ_SET_INTERFACE: - usb_decode_set_intf(wValue, wIndex, str, size); - break; - case USB_REQ_SYNCH_FRAME: - usb_decode_synch_frame(wIndex, wLength, str, size); - break; - case USB_REQ_SET_SEL: - usb_decode_set_sel(wLength, str, size); - break; - case USB_REQ_SET_ISOCH_DELAY: - usb_decode_set_isoch_delay(wValue, str, size); - break; - default: - snprintf(str, size, "%02x %02x %02x %02x %02x %02x %02x %02x", - bRequestType, bRequest, - (u8)(cpu_to_le16(wValue) & 0xff), - (u8)(cpu_to_le16(wValue) >> 8), - (u8)(cpu_to_le16(wIndex) & 0xff), - (u8)(cpu_to_le16(wIndex) >> 8), - (u8)(cpu_to_le16(wLength) & 0xff), - (u8)(cpu_to_le16(wLength) >> 8)); - } - - return str; -} -EXPORT_SYMBOL_GPL(usb_decode_ctrl); |