diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8812a/r12a_rf.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8812a/r12a_rf.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8812a/r12a_rf.c b/freebsd/sys/dev/rtwn/rtl8812a/r12a_rf.c new file mode 100644 index 00000000..29922ba2 --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8812a/r12a_rf.c @@ -0,0 +1,112 @@ +#include <machine/rtems-bsd-kernel-space.h> + +/*- + * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#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/rtl8812a/r12a.h> +#include <dev/rtwn/rtl8812a/r12a_reg.h> + + +uint32_t +r12a_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr) +{ + uint32_t pi_mode, val; + + /* Turn off CCA (avoids reading the wrong value). */ + if (addr != R92C_RF_AC) + rtwn_bb_setbits(sc, R12A_CCA_ON_SEC, 0, 0x08); + + val = rtwn_bb_read(sc, R12A_HSSI_PARAM1(chain)); + pi_mode = (val & R12A_HSSI_PARAM1_PI) ? 1 : 0; + + rtwn_bb_setbits(sc, R12A_HSSI_PARAM2, + R12A_HSSI_PARAM2_READ_ADDR_MASK, addr); + + val = rtwn_bb_read(sc, pi_mode ? R12A_HSPI_READBACK(chain) : + R12A_LSSI_READBACK(chain)); + + /* Turn on CCA (when exiting). */ + if (addr != R92C_RF_AC) + rtwn_bb_setbits(sc, R12A_CCA_ON_SEC, 0x08, 0); + + return (MS(val, R92C_LSSI_READBACK_DATA)); +} + +uint32_t +r12a_c_cut_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr) +{ + uint32_t pi_mode, val; + + val = rtwn_bb_read(sc, R12A_HSSI_PARAM1(chain)); + pi_mode = (val & R12A_HSSI_PARAM1_PI) ? 1 : 0; + + rtwn_bb_setbits(sc, R12A_HSSI_PARAM2, + R12A_HSSI_PARAM2_READ_ADDR_MASK, addr); + rtwn_delay(sc, 20); + + val = rtwn_bb_read(sc, pi_mode ? R12A_HSPI_READBACK(chain) : + R12A_LSSI_READBACK(chain)); + + return (MS(val, R92C_LSSI_READBACK_DATA)); +} + +void +r12a_rf_write(struct rtwn_softc *sc, int chain, uint8_t addr, + uint32_t val) +{ + rtwn_bb_write(sc, R12A_LSSI_PARAM(chain), + SM(R88E_LSSI_PARAM_ADDR, addr) | + SM(R92C_LSSI_PARAM_DATA, val)); +} |