diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8192c/r92c_rf.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8192c/r92c_rf.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8192c/r92c_rf.c b/freebsd/sys/dev/rtwn/rtl8192c/r92c_rf.c new file mode 100644 index 00000000..22507e6c --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8192c/r92c_rf.c @@ -0,0 +1,95 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ + +/*- + * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> + * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> + * Copyright (c) 2015-2016 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. + */ + +#include <sys/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <rtems/bsd/local/opt_wlan.h> + +#include <rtems/bsd/sys/param.h> +#include <rtems/bsd/sys/lock.h> +#include <sys/mutex.h> +#include <sys/mbuf.h> +#include <sys/kernel.h> +#include <sys/socket.h> +#include <sys/systm.h> +#include <sys/malloc.h> +#include <sys/queue.h> +#include <sys/taskqueue.h> +#include <sys/bus.h> +#include <sys/endian.h> +#include <sys/linker.h> + +#include <net/if.h> +#include <net/ethernet.h> +#include <net/if_media.h> + +#include <net80211/ieee80211_var.h> +#include <net80211/ieee80211_radiotap.h> + +#include <dev/rtwn/if_rtwnreg.h> +#include <dev/rtwn/if_rtwnvar.h> + +#include <dev/rtwn/rtl8192c/r92c.h> +#include <dev/rtwn/rtl8192c/r92c_reg.h> +#include <dev/rtwn/rtl8192c/r92c_var.h> +#include <dev/rtwn/rtl8192c/r92c_rom_defs.h> + + +uint32_t +r92c_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr) +{ + struct r92c_softc *rs = sc->sc_priv; + uint32_t reg[R92C_MAX_CHAINS], val; + + reg[0] = rtwn_bb_read(sc, R92C_HSSI_PARAM2(0)); + if (chain != 0) + reg[chain] = rtwn_bb_read(sc, R92C_HSSI_PARAM2(chain)); + + rtwn_bb_write(sc, R92C_HSSI_PARAM2(0), + reg[0] & ~R92C_HSSI_PARAM2_READ_EDGE); + rtwn_delay(sc, rs->rf_read_delay[0]); + + rtwn_bb_write(sc, R92C_HSSI_PARAM2(chain), + RW(reg[chain], R92C_HSSI_PARAM2_READ_ADDR, addr) | + R92C_HSSI_PARAM2_READ_EDGE); + rtwn_delay(sc, rs->rf_read_delay[1]); + + rtwn_bb_write(sc, R92C_HSSI_PARAM2(0), + reg[0] | R92C_HSSI_PARAM2_READ_EDGE); + rtwn_delay(sc, rs->rf_read_delay[2]); + + if (rtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI) + val = rtwn_bb_read(sc, R92C_HSPI_READBACK(chain)); + else + val = rtwn_bb_read(sc, R92C_LSSI_READBACK(chain)); + return (MS(val, R92C_LSSI_READBACK_DATA)); +} + +void +r92c_rf_write(struct rtwn_softc *sc, int chain, uint8_t addr, + uint32_t val) +{ + rtwn_bb_write(sc, R92C_LSSI_PARAM(chain), + SM(R92C_LSSI_PARAM_ADDR, addr) | + SM(R92C_LSSI_PARAM_DATA, val)); +} |