1*7453645fSAndriy Voskoboinyk /*-
2*7453645fSAndriy Voskoboinyk * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
3*7453645fSAndriy Voskoboinyk *
4*7453645fSAndriy Voskoboinyk * Permission to use, copy, modify, and distribute this software for any
5*7453645fSAndriy Voskoboinyk * purpose with or without fee is hereby granted, provided that the above
6*7453645fSAndriy Voskoboinyk * copyright notice and this permission notice appear in all copies.
7*7453645fSAndriy Voskoboinyk *
8*7453645fSAndriy Voskoboinyk * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9*7453645fSAndriy Voskoboinyk * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10*7453645fSAndriy Voskoboinyk * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11*7453645fSAndriy Voskoboinyk * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12*7453645fSAndriy Voskoboinyk * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13*7453645fSAndriy Voskoboinyk * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14*7453645fSAndriy Voskoboinyk * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15*7453645fSAndriy Voskoboinyk */
16*7453645fSAndriy Voskoboinyk
17*7453645fSAndriy Voskoboinyk #ifndef RTWN_USB_REG_H
18*7453645fSAndriy Voskoboinyk #define RTWN_USB_REG_H
19*7453645fSAndriy Voskoboinyk
20*7453645fSAndriy Voskoboinyk static __inline uint16_t
rtwn_usb_calc_tx_checksum(void * buf)21*7453645fSAndriy Voskoboinyk rtwn_usb_calc_tx_checksum(void *buf)
22*7453645fSAndriy Voskoboinyk {
23*7453645fSAndriy Voskoboinyk uint16_t sum = 0;
24*7453645fSAndriy Voskoboinyk int i;
25*7453645fSAndriy Voskoboinyk
26*7453645fSAndriy Voskoboinyk /* NB: checksum calculation takes into account only first 32 bytes. */
27*7453645fSAndriy Voskoboinyk for (i = 0; i < 32 / 2; i++)
28*7453645fSAndriy Voskoboinyk sum ^= ((uint16_t *)buf)[i];
29*7453645fSAndriy Voskoboinyk
30*7453645fSAndriy Voskoboinyk return (sum); /* NB: already little endian. */
31*7453645fSAndriy Voskoboinyk }
32*7453645fSAndriy Voskoboinyk
33*7453645fSAndriy Voskoboinyk int rtwn_usb_write_region_1(struct rtwn_softc *, uint16_t,
34*7453645fSAndriy Voskoboinyk uint8_t *, int);
35*7453645fSAndriy Voskoboinyk int rtwn_usb_write_1(struct rtwn_softc *, uint16_t, uint8_t);
36*7453645fSAndriy Voskoboinyk int rtwn_usb_write_2(struct rtwn_softc *, uint16_t, uint16_t);
37*7453645fSAndriy Voskoboinyk int rtwn_usb_write_4(struct rtwn_softc *, uint16_t, uint32_t);
38*7453645fSAndriy Voskoboinyk uint8_t rtwn_usb_read_1(struct rtwn_softc *, uint16_t);
39*7453645fSAndriy Voskoboinyk uint16_t rtwn_usb_read_2(struct rtwn_softc *, uint16_t);
40*7453645fSAndriy Voskoboinyk uint32_t rtwn_usb_read_4(struct rtwn_softc *, uint16_t);
41*7453645fSAndriy Voskoboinyk void rtwn_usb_delay(struct rtwn_softc *, int);
42*7453645fSAndriy Voskoboinyk
43*7453645fSAndriy Voskoboinyk #endif /* RTWN_USB_REG_H */
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