xref: /freebsd/sys/dev/rtwn/rtl8192e/r92e_fw.c (revision c697fb7f)
1 /*-
2  * Copyright (c) 2017 Kevin Lo <kevlo@FreeBSD.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
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.
13  *
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
24  * SUCH DAMAGE.
25  */
26 
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
29 
30 #include "opt_wlan.h"
31 
32 #include <sys/param.h>
33 #include <sys/lock.h>
34 #include <sys/mutex.h>
35 #include <sys/mbuf.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>
42 #include <sys/bus.h>
43 #include <sys/endian.h>
44 #include <sys/linker.h>
45 
46 #include <net/if.h>
47 #include <net/ethernet.h>
48 #include <net/if_media.h>
49 
50 #include <net80211/ieee80211_var.h>
51 #include <net80211/ieee80211_radiotap.h>
52 
53 #include <dev/rtwn/if_rtwnreg.h>
54 #include <dev/rtwn/if_rtwnvar.h>
55 
56 #include <dev/rtwn/if_rtwn_debug.h>
57 
58 #include <dev/rtwn/rtl8188e/r88e.h>
59 #include <dev/rtwn/rtl8188e/r88e_reg.h>
60 
61 #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
62 
63 #include <dev/rtwn/rtl8192e/r92e.h>
64 
65 #ifndef RTWN_WITHOUT_UCODE
66 void
67 r92e_fw_reset(struct rtwn_softc *sc, int reason)
68 {
69 	/* Reset MCU IO wrapper. */
70 	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0x01, 0);
71 
72 	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
73 	    R92C_SYS_FUNC_EN_CPUEN, 0, 1);
74 
75 	/* Enable MCU IO wrapper. */
76 	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0, 0x01);
77 
78 	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
79 	    0, R92C_SYS_FUNC_EN_CPUEN, 1);
80 }
81 
82 void
83 r92e_set_media_status(struct rtwn_softc *sc, int macid)
84 {
85 	struct r88e_fw_cmd_msrrpt status;
86 
87 	if (macid & RTWN_MACID_VALID)
88 		status.msrb0 = R88E_MSRRPT_B0_ASSOC;
89 	else
90 		status.msrb0 = R88E_MSRRPT_B0_DISASSOC;
91 	status.macid = (macid & ~RTWN_MACID_VALID);
92 
93 	if (r88e_fw_cmd(sc, R88E_CMD_MSR_RPT, &status, sizeof(status)) != 0) {
94 		device_printf(sc->sc_dev, "%s: cannot change media status!\n",
95 		    __func__);
96 	}
97 }
98 
99 int
100 r92e_set_pwrmode(struct rtwn_softc *sc, struct ieee80211vap *vap, int off)
101 {
102 	struct r12a_fw_cmd_pwrmode mode;
103 	int error;
104 
105 	if (off && vap->iv_state == IEEE80211_S_RUN &&
106 	    (vap->iv_flags & IEEE80211_F_PMGTON)) {
107 		mode.mode = R88E_PWRMODE_LEG;
108 		/*
109 		 * TODO: switch to RFOFF state
110 		 * (something is missing here - Rx stops with it).
111 		 */
112 #ifdef RTWN_TODO
113 		mode.pwr_state = R88E_PWRMODE_STATE_RFOFF;
114 #else
115 		mode.pwr_state = R88E_PWRMODE_STATE_RFON;
116 #endif
117 	} else {
118 		mode.mode = R88E_PWRMODE_CAM;
119 		mode.pwr_state = R88E_PWRMODE_STATE_ALLON;
120 	}
121 	mode.pwrb1 =
122 	    SM(R88E_PWRMODE_B1_SMART_PS, R88E_PWRMODE_B1_LEG_NULLDATA) |
123 	    SM(R88E_PWRMODE_B1_RLBM, R88E_PWRMODE_B1_MODE_MIN);
124 	/* XXX ignored */
125 	mode.bcn_pass = 0;
126 	mode.queue_uapsd = 0;
127 	mode.pwrb5 = 0;
128 	error = r88e_fw_cmd(sc, R88E_CMD_SET_PWRMODE, &mode, sizeof(mode));
129 	if (error != 0) {
130 		device_printf(sc->sc_dev,
131 		    "%s: CMD_SET_PWRMODE was not sent, error %d\n",
132 		    __func__, error);
133 	}
134 
135 	return (error);
136 }
137 #endif
138