2 * Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
34 #include <sys/mutex.h>
36 #include <sys/kernel.h>
37 #include <sys/socket.h>
38 #include <sys/systm.h>
39 #include <sys/malloc.h>
40 #include <sys/queue.h>
41 #include <sys/taskqueue.h>
43 #include <sys/endian.h>
44 #include <sys/linker.h>
47 #include <net/ethernet.h>
48 #include <net/if_media.h>
50 #include <net80211/ieee80211_var.h>
51 #include <net80211/ieee80211_radiotap.h>
53 #include <dev/rtwn/if_rtwnreg.h>
54 #include <dev/rtwn/if_rtwnvar.h>
56 #include <dev/rtwn/rtl8812a/r12a.h>
57 #include <dev/rtwn/rtl8812a/r12a_reg.h>
60 r12a_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr)
62 uint32_t pi_mode, val;
64 /* Turn off CCA (avoids reading the wrong value). */
65 if (addr != R92C_RF_AC)
66 rtwn_bb_setbits(sc, R12A_CCA_ON_SEC, 0, 0x08);
68 val = rtwn_bb_read(sc, R12A_HSSI_PARAM1(chain));
69 pi_mode = (val & R12A_HSSI_PARAM1_PI) ? 1 : 0;
71 rtwn_bb_setbits(sc, R12A_HSSI_PARAM2,
72 R12A_HSSI_PARAM2_READ_ADDR_MASK, addr);
74 val = rtwn_bb_read(sc, pi_mode ? R12A_HSPI_READBACK(chain) :
75 R12A_LSSI_READBACK(chain));
77 /* Turn on CCA (when exiting). */
78 if (addr != R92C_RF_AC)
79 rtwn_bb_setbits(sc, R12A_CCA_ON_SEC, 0x08, 0);
81 return (MS(val, R92C_LSSI_READBACK_DATA));
85 r12a_c_cut_rf_read(struct rtwn_softc *sc, int chain, uint8_t addr)
87 uint32_t pi_mode, val;
89 val = rtwn_bb_read(sc, R12A_HSSI_PARAM1(chain));
90 pi_mode = (val & R12A_HSSI_PARAM1_PI) ? 1 : 0;
92 rtwn_bb_setbits(sc, R12A_HSSI_PARAM2,
93 R12A_HSSI_PARAM2_READ_ADDR_MASK, addr);
96 val = rtwn_bb_read(sc, pi_mode ? R12A_HSPI_READBACK(chain) :
97 R12A_LSSI_READBACK(chain));
99 return (MS(val, R92C_LSSI_READBACK_DATA));
103 r12a_rf_write(struct rtwn_softc *sc, int chain, uint8_t addr,
106 rtwn_bb_write(sc, R12A_LSSI_PARAM(chain),
107 SM(R88E_LSSI_PARAM_ADDR, addr) |
108 SM(R92C_LSSI_PARAM_DATA, val));