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#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 <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));
}
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