xref: /freebsd/sys/dev/rtwn/rtl8192e/r92e_fw.c (revision 315ee00f)
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 #include "opt_wlan.h"
29 
30 #include <sys/param.h>
31 #include <sys/lock.h>
32 #include <sys/mutex.h>
33 #include <sys/mbuf.h>
34 #include <sys/kernel.h>
35 #include <sys/socket.h>
36 #include <sys/systm.h>
37 #include <sys/malloc.h>
38 #include <sys/queue.h>
39 #include <sys/taskqueue.h>
40 #include <sys/bus.h>
41 #include <sys/endian.h>
42 #include <sys/linker.h>
43 
44 #include <net/if.h>
45 #include <net/ethernet.h>
46 #include <net/if_media.h>
47 
48 #include <net80211/ieee80211_var.h>
49 #include <net80211/ieee80211_radiotap.h>
50 
51 #include <dev/rtwn/if_rtwnreg.h>
52 #include <dev/rtwn/if_rtwnvar.h>
53 
54 #include <dev/rtwn/if_rtwn_debug.h>
55 
56 #include <dev/rtwn/rtl8188e/r88e.h>
57 #include <dev/rtwn/rtl8188e/r88e_reg.h>
58 
59 #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
60 
61 #include <dev/rtwn/rtl8192e/r92e.h>
62 
63 #ifndef RTWN_WITHOUT_UCODE
64 void
65 r92e_fw_reset(struct rtwn_softc *sc, int reason)
66 {
67 	/* Reset MCU IO wrapper. */
68 	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0x01, 0);
69 
70 	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
71 	    R92C_SYS_FUNC_EN_CPUEN, 0, 1);
72 
73 	/* Enable MCU IO wrapper. */
74 	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0, 0x01);
75 
76 	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
77 	    0, R92C_SYS_FUNC_EN_CPUEN, 1);
78 }
79 
80 void
81 r92e_set_media_status(struct rtwn_softc *sc, int macid)
82 {
83 	struct r88e_fw_cmd_msrrpt status;
84 
85 	if (macid & RTWN_MACID_VALID)
86 		status.msrb0 = R88E_MSRRPT_B0_ASSOC;
87 	else
88 		status.msrb0 = R88E_MSRRPT_B0_DISASSOC;
89 	status.macid = (macid & ~RTWN_MACID_VALID);
90 
91 	if (r88e_fw_cmd(sc, R88E_CMD_MSR_RPT, &status, sizeof(status)) != 0) {
92 		device_printf(sc->sc_dev, "%s: cannot change media status!\n",
93 		    __func__);
94 	}
95 }
96 
97 int
98 r92e_set_pwrmode(struct rtwn_softc *sc, struct ieee80211vap *vap, int off)
99 {
100 	struct r12a_fw_cmd_pwrmode mode;
101 	int error;
102 
103 	if (off && vap->iv_state == IEEE80211_S_RUN &&
104 	    (vap->iv_flags & IEEE80211_F_PMGTON)) {
105 		mode.mode = R88E_PWRMODE_LEG;
106 		/*
107 		 * TODO: switch to RFOFF state
108 		 * (something is missing here - Rx stops with it).
109 		 */
110 #ifdef RTWN_TODO
111 		mode.pwr_state = R88E_PWRMODE_STATE_RFOFF;
112 #else
113 		mode.pwr_state = R88E_PWRMODE_STATE_RFON;
114 #endif
115 	} else {
116 		mode.mode = R88E_PWRMODE_CAM;
117 		mode.pwr_state = R88E_PWRMODE_STATE_ALLON;
118 	}
119 	mode.pwrb1 =
120 	    SM(R88E_PWRMODE_B1_SMART_PS, R88E_PWRMODE_B1_LEG_NULLDATA) |
121 	    SM(R88E_PWRMODE_B1_RLBM, R88E_PWRMODE_B1_MODE_MIN);
122 	/* XXX ignored */
123 	mode.bcn_pass = 0;
124 	mode.queue_uapsd = 0;
125 	mode.pwrb5 = 0;
126 	error = r88e_fw_cmd(sc, R88E_CMD_SET_PWRMODE, &mode, sizeof(mode));
127 	if (error != 0) {
128 		device_printf(sc->sc_dev,
129 		    "%s: CMD_SET_PWRMODE was not sent, error %d\n",
130 		    __func__, error);
131 	}
132 
133 	return (error);
134 }
135 #endif
136