usb.h (8bde7f776c77b343aca29b8c7b58464d915ac245) usb.h (149dded2b178bc0fb62cb6f61b87968d914b580a)
1/*
2 * (C) Copyright 2001
3 * Denis Peter, MPL AG Switzerland
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or

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164 struct usb_device *parent;
165 struct usb_device *children[USB_MAXCHILDREN];
166};
167
168/**********************************************************************
169 * this is how the lowlevel part communicate with the outer world
170 */
171
1/*
2 * (C) Copyright 2001
3 * Denis Peter, MPL AG Switzerland
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or

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164 struct usb_device *parent;
165 struct usb_device *children[USB_MAXCHILDREN];
166};
167
168/**********************************************************************
169 * this is how the lowlevel part communicate with the outer world
170 */
171
172#ifdef CONFIG_USB_UHCI
172#if defined(CONFIG_USB_UHCI) || defined(CONFIG_USB_OHCI)
173int usb_lowlevel_init(void);
174int usb_lowlevel_stop(void);
175int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,int transfer_len);
176int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
177 int transfer_len,struct devrequest *setup);
178int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
179 int transfer_len, int interval);
180

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223int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, unsigned char id, void *buf, int size);
224int usb_get_class_descriptor(struct usb_device *dev, int ifnum,
225 unsigned char type, unsigned char id, void *buf, int size);
226int usb_clear_halt(struct usb_device *dev, int pipe);
227int usb_string(struct usb_device *dev, int index, char *buf, size_t size);
228int usb_set_interface(struct usb_device *dev, int interface, int alternate);
229
230/* big endian -> little endian conversion */
173int usb_lowlevel_init(void);
174int usb_lowlevel_stop(void);
175int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, void *buffer,int transfer_len);
176int submit_control_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
177 int transfer_len,struct devrequest *setup);
178int submit_int_msg(struct usb_device *dev, unsigned long pipe, void *buffer,
179 int transfer_len, int interval);
180

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223int usb_get_report(struct usb_device *dev, int ifnum, unsigned char type, unsigned char id, void *buf, int size);
224int usb_get_class_descriptor(struct usb_device *dev, int ifnum,
225 unsigned char type, unsigned char id, void *buf, int size);
226int usb_clear_halt(struct usb_device *dev, int pipe);
227int usb_string(struct usb_device *dev, int index, char *buf, size_t size);
228int usb_set_interface(struct usb_device *dev, int interface, int alternate);
229
230/* big endian -> little endian conversion */
231/* some CPUs are already little endian e.g. the ARM920T */
232#ifdef LITTLEENDIAN
233#define swap_16(x) ((unsigned short)(x))
234#define swap_32(x) ((unsigned long)(x))
235#else
231#define swap_16(x) \
232 ((unsigned short)( \
233 (((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
234 (((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
235#define swap_32(x) \
236 ((unsigned long)( \
237 (((unsigned long)(x) & (unsigned long)0x000000ffUL) << 24) | \
238 (((unsigned long)(x) & (unsigned long)0x0000ff00UL) << 8) | \
239 (((unsigned long)(x) & (unsigned long)0x00ff0000UL) >> 8) | \
240 (((unsigned long)(x) & (unsigned long)0xff000000UL) >> 24) ))
236#define swap_16(x) \
237 ((unsigned short)( \
238 (((unsigned short)(x) & (unsigned short)0x00ffU) << 8) | \
239 (((unsigned short)(x) & (unsigned short)0xff00U) >> 8) ))
240#define swap_32(x) \
241 ((unsigned long)( \
242 (((unsigned long)(x) & (unsigned long)0x000000ffUL) << 24) | \
243 (((unsigned long)(x) & (unsigned long)0x0000ff00UL) << 8) | \
244 (((unsigned long)(x) & (unsigned long)0x00ff0000UL) >> 8) | \
245 (((unsigned long)(x) & (unsigned long)0xff000000UL) >> 24) ))
246#endif /* LITTLEENDIAN */
241
242/*
243 * Calling this entity a "pipe" is glorifying it. A USB pipe
244 * is something embarrassingly simple: it basically consists
245 * of the following information:
246 * - device number (7 bits)
247 * - endpoint number (4 bits)
248 * - current Data0/1 state (1 bit)

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248/*
249 * Calling this entity a "pipe" is glorifying it. A USB pipe
250 * is something embarrassingly simple: it basically consists
251 * of the following information:
252 * - device number (7 bits)
253 * - endpoint number (4 bits)
254 * - current Data0/1 state (1 bit)

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