89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*-
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* Copyright (c) 2017 Kevin Lo <kevlo@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/rtl8192e/r92e.h>
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#include <dev/rtwn/rtl8192e/r92e_reg.h>
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uint32_t
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r92e_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr)
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{
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uint32_t val;
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val = rtwn_bb_read(sc, R92C_HSSI_PARAM2(chain));
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rtwn_bb_write(sc, R92C_HSSI_PARAM2(chain),
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RW(val, R92C_HSSI_PARAM2_READ_ADDR, addr) &
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~R92C_HSSI_PARAM2_READ_EDGE);
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rtwn_bb_setbits(sc, R92C_HSSI_PARAM2(0), R92C_HSSI_PARAM2_READ_EDGE, 0);
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rtwn_bb_setbits(sc, R92C_HSSI_PARAM2(0), 0, R92C_HSSI_PARAM2_READ_EDGE);
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rtwn_delay(sc, 20);
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if (rtwn_bb_read(sc, R92C_HSSI_PARAM1(chain)) & R92C_HSSI_PARAM1_PI)
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val = rtwn_bb_read(sc, R92C_HSPI_READBACK(chain));
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else
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val = rtwn_bb_read(sc, R92C_LSSI_READBACK(chain));
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return (MS(val, R92C_LSSI_READBACK_DATA));
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}
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void
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r92e_rf_write(struct rtwn_softc *sc, int chain, uint8_t addr, uint32_t val)
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{
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rtwn_bb_setbits(sc, 0x818, 0x20000, 0);
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rtwn_bb_write(sc, R92C_LSSI_PARAM(chain),
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SM(R88E_LSSI_PARAM_ADDR, addr) | SM(R92C_LSSI_PARAM_DATA, val));
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rtwn_bb_setbits(sc, 0x818, 0, 0x20000);
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}
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