1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
|
#include <machine/rtems-bsd-kernel-space.h>
/* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */
/*-
* Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
* Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
* Copyright (c) 2016 Andriy Voskoboinyk <avos@FreeBSD.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <rtems/bsd/local/opt_wlan.h>
#include <sys/param.h>
#include <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/rtl8192c/r92c.h>
#include <dev/rtwn/rtl8192c/r92c_reg.h>
void
r92c_iq_calib(struct rtwn_softc *sc)
{
/* XXX TODO */
}
void
r92c_lc_calib(struct rtwn_softc *sc)
{
uint32_t rf_ac[2];
uint8_t txmode;
int i;
txmode = rtwn_read_1(sc, R92C_OFDM1_LSTF + 3);
if ((txmode & 0x70) != 0) {
/* Disable all continuous Tx. */
rtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode & ~0x70);
/* Set RF mode to standby mode. */
for (i = 0; i < sc->nrxchains; i++) {
rf_ac[i] = rtwn_rf_read(sc, i, R92C_RF_AC);
rtwn_rf_write(sc, i, R92C_RF_AC,
RW(rf_ac[i], R92C_RF_AC_MODE,
R92C_RF_AC_MODE_STANDBY));
}
} else {
/* Block all Tx queues. */
rtwn_write_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_ALL);
}
/* Start calibration. */
rtwn_rf_setbits(sc, 0, R92C_RF_CHNLBW, 0, R92C_RF_CHNLBW_LCSTART);
/* Give calibration the time to complete. */
rtwn_delay(sc, 100000); /* 100ms */
/* Restore configuration. */
if ((txmode & 0x70) != 0) {
/* Restore Tx mode. */
rtwn_write_1(sc, R92C_OFDM1_LSTF + 3, txmode);
/* Restore RF mode. */
for (i = 0; i < sc->nrxchains; i++)
rtwn_rf_write(sc, i, R92C_RF_AC, rf_ac[i]);
} else {
/* Unblock all Tx queues. */
rtwn_write_1(sc, R92C_TXPAUSE, 0x00);
}
}
void
r92c_temp_measure(struct rtwn_softc *sc)
{
rtwn_rf_write(sc, 0, R92C_RF_T_METER, R92C_RF_T_METER_START);
}
uint8_t
r92c_temp_read(struct rtwn_softc *sc)
{
return (MS(rtwn_rf_read(sc, 0, R92C_RF_T_METER),
R92C_RF_T_METER_VAL));
}
|
