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/*-
* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $FreeBSD$
*/
#ifndef RTWN_USB_REG_H
#define RTWN_USB_REG_H
static __inline uint16_t
rtwn_usb_calc_tx_checksum(void *buf)
{
uint16_t sum = 0;
int i;
/* NB: checksum calculation takes into account only first 32 bytes. */
for (i = 0; i < 32 / 2; i++)
sum ^= ((uint16_t *)buf)[i];
return (sum); /* NB: already little endian. */
}
int rtwn_usb_write_region_1(struct rtwn_softc *, uint16_t,
uint8_t *, int);
int rtwn_usb_write_1(struct rtwn_softc *, uint16_t, uint8_t);
int rtwn_usb_write_2(struct rtwn_softc *, uint16_t, uint16_t);
int rtwn_usb_write_4(struct rtwn_softc *, uint16_t, uint32_t);
uint8_t rtwn_usb_read_1(struct rtwn_softc *, uint16_t);
uint16_t rtwn_usb_read_2(struct rtwn_softc *, uint16_t);
uint32_t rtwn_usb_read_4(struct rtwn_softc *, uint16_t);
void rtwn_usb_delay(struct rtwn_softc *, int);
#endif /* RTWN_USB_REG_H */
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