diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/usb/rtwn_usb_reg.h')
| -rw-r--r-- | freebsd/sys/dev/rtwn/usb/rtwn_usb_reg.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/usb/rtwn_usb_reg.h b/freebsd/sys/dev/rtwn/usb/rtwn_usb_reg.h new file mode 100644 index 00000000..1149248d --- /dev/null +++ b/freebsd/sys/dev/rtwn/usb/rtwn_usb_reg.h @@ -0,0 +1,45 @@ +/*- + * 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 */ |