diff options
Diffstat (limited to 'freebsd/sys/dev/rtwn/rtl8821a/r21a_calib.c')
| -rw-r--r-- | freebsd/sys/dev/rtwn/rtl8821a/r21a_calib.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/freebsd/sys/dev/rtwn/rtl8821a/r21a_calib.c b/freebsd/sys/dev/rtwn/rtl8821a/r21a_calib.c new file mode 100644 index 00000000..d4679bc0 --- /dev/null +++ b/freebsd/sys/dev/rtwn/rtl8821a/r21a_calib.c @@ -0,0 +1,128 @@ +#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/if_rtwn_debug.h> + +#include <dev/rtwn/rtl8812a/r12a.h> + +#include <dev/rtwn/rtl8821a/r21a.h> +#include <dev/rtwn/rtl8821a/r21a_reg.h> +#include <dev/rtwn/rtl8821a/r21a_priv.h> + + +#ifndef RTWN_WITHOUT_UCODE +int +r21a_iq_calib_fw_supported(struct rtwn_softc *sc) +{ + if (sc->fwver == 0x16) + return (1); + + return (0); +} +#endif + +void +r21a_iq_calib_sw(struct rtwn_softc *sc) +{ +#define R21A_MAX_NRXCHAINS 2 + uint32_t saved_bb_vals[nitems(r21a_iq_bb_regs)]; + uint32_t saved_afe_vals[nitems(r21a_iq_afe_regs)]; + uint32_t saved_rf_vals[nitems(r21a_iq_rf_regs) * R21A_MAX_NRXCHAINS]; + + KASSERT(sc->nrxchains <= R21A_MAX_NRXCHAINS, + ("nrxchains > %d (%d)\n", R21A_MAX_NRXCHAINS, sc->nrxchains)); + + RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB, "%s: SW IQ calibration: TODO\n", + __func__); + + /* Save registers. */ + r12a_save_bb_afe_vals(sc, saved_bb_vals, r21a_iq_bb_regs, + nitems(r21a_iq_bb_regs)); + r12a_save_bb_afe_vals(sc, saved_afe_vals, r21a_iq_afe_regs, + nitems(r21a_iq_afe_regs)); + r12a_save_rf_vals(sc, saved_rf_vals, r21a_iq_rf_regs, + nitems(r21a_iq_rf_regs)); + +#ifdef RTWN_TODO + /* Configure MAC. */ + r12a_iq_config_mac(sc); + r21a_iq_tx(sc); +#endif + + /* Restore registers. */ + r12a_restore_rf_vals(sc, saved_rf_vals, r21a_iq_rf_regs, + nitems(r21a_iq_rf_regs)); + r12a_restore_bb_afe_vals(sc, saved_afe_vals, r21a_iq_afe_regs, + nitems(r21a_iq_afe_regs)); + + /* Select page C1. */ + rtwn_bb_setbits(sc, R12A_TXAGC_TABLE_SELECT, 0, 0x80000000); + + rtwn_bb_write(sc, R12A_SLEEP_NAV(0), 0); + rtwn_bb_write(sc, R12A_PMPD(0), 0); + rtwn_bb_write(sc, 0xc88, 0); + rtwn_bb_write(sc, 0xc8c, 0x3c000000); + rtwn_bb_write(sc, 0xc90, 0x80); + rtwn_bb_write(sc, 0xc94, 0); + rtwn_bb_write(sc, 0xcc4, 0x20040000); + rtwn_bb_write(sc, 0xcc8, 0x20000000); + rtwn_bb_write(sc, 0xcb8, 0); + + r12a_restore_bb_afe_vals(sc, saved_bb_vals, r21a_iq_bb_regs, + nitems(r21a_iq_bb_regs)); +#undef R21A_MAX_NRXCHAINS +} |