127 lines
3.8 KiB
C
127 lines
3.8 KiB
C
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/*-
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* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_wlan.h"
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#include <sys/param.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <sys/mbuf.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/systm.h>
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#include <sys/malloc.h>
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#include <sys/queue.h>
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#include <sys/taskqueue.h>
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#include <sys/bus.h>
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#include <sys/endian.h>
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#include <sys/linker.h>
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#include <net/if.h>
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#include <net/ethernet.h>
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#include <net/if_media.h>
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#include <net80211/ieee80211_var.h>
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#include <net80211/ieee80211_radiotap.h>
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#include <dev/rtwn/if_rtwnreg.h>
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#include <dev/rtwn/if_rtwnvar.h>
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#include <dev/rtwn/if_rtwn_debug.h>
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#include <dev/rtwn/rtl8812a/r12a.h>
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#include <dev/rtwn/rtl8821a/r21a.h>
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#include <dev/rtwn/rtl8821a/r21a_reg.h>
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#include <dev/rtwn/rtl8821a/r21a_priv.h>
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#ifndef RTWN_WITHOUT_UCODE
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int
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r21a_iq_calib_fw_supported(struct rtwn_softc *sc)
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{
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if (sc->fwver == 0x16)
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return (1);
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return (0);
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}
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#endif
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void
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r21a_iq_calib_sw(struct rtwn_softc *sc)
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{
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#define R21A_MAX_NRXCHAINS 2
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uint32_t saved_bb_vals[nitems(r21a_iq_bb_regs)];
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uint32_t saved_afe_vals[nitems(r21a_iq_afe_regs)];
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uint32_t saved_rf_vals[nitems(r21a_iq_rf_regs) * R21A_MAX_NRXCHAINS];
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KASSERT(sc->nrxchains <= R21A_MAX_NRXCHAINS,
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("nrxchains > %d (%d)\n", R21A_MAX_NRXCHAINS, sc->nrxchains));
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RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB, "%s: SW IQ calibration: TODO\n",
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__func__);
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/* Save registers. */
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r12a_save_bb_afe_vals(sc, saved_bb_vals, r21a_iq_bb_regs,
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nitems(r21a_iq_bb_regs));
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r12a_save_bb_afe_vals(sc, saved_afe_vals, r21a_iq_afe_regs,
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nitems(r21a_iq_afe_regs));
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r12a_save_rf_vals(sc, saved_rf_vals, r21a_iq_rf_regs,
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nitems(r21a_iq_rf_regs));
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#ifdef RTWN_TODO
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/* Configure MAC. */
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r12a_iq_config_mac(sc);
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r21a_iq_tx(sc);
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#endif
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/* Restore registers. */
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r12a_restore_rf_vals(sc, saved_rf_vals, r21a_iq_rf_regs,
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nitems(r21a_iq_rf_regs));
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r12a_restore_bb_afe_vals(sc, saved_afe_vals, r21a_iq_afe_regs,
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nitems(r21a_iq_afe_regs));
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/* Select page C1. */
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rtwn_bb_setbits(sc, R12A_TXAGC_TABLE_SELECT, 0, 0x80000000);
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rtwn_bb_write(sc, R12A_SLEEP_NAV(0), 0);
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rtwn_bb_write(sc, R12A_PMPD(0), 0);
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rtwn_bb_write(sc, 0xc88, 0);
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rtwn_bb_write(sc, 0xc8c, 0x3c000000);
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rtwn_bb_write(sc, 0xc90, 0x80);
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rtwn_bb_write(sc, 0xc94, 0);
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rtwn_bb_write(sc, 0xcc4, 0x20040000);
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rtwn_bb_write(sc, 0xcc8, 0x20000000);
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rtwn_bb_write(sc, 0xcb8, 0);
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r12a_restore_bb_afe_vals(sc, saved_bb_vals, r21a_iq_bb_regs,
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nitems(r21a_iq_bb_regs));
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#undef R21A_MAX_NRXCHAINS
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}
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