xref: /freebsd/sys/dev/rtwn/rtl8812a/r12a_fw.c (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * Copyright (c) 2016 Andriy Voskoboinyk <avos@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 
60 #include <dev/rtwn/rtl8812a/r12a.h>
61 #include <dev/rtwn/rtl8812a/r12a_reg.h>
62 #include <dev/rtwn/rtl8812a/r12a_var.h>
63 #include <dev/rtwn/rtl8812a/r12a_fw_cmd.h>
64 
65 #ifndef RTWN_WITHOUT_UCODE
66 void
67 r12a_fw_reset(struct rtwn_softc *sc, int reason)
68 {
69 	/* Reset MCU IO wrapper. */
70 	rtwn_setbits_1(sc, R92C_RSV_CTRL, R92C_RSV_CTRL_WLOCK_00, 0);
71 	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0x08, 0);
72 
73 	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
74 	    R92C_SYS_FUNC_EN_CPUEN, 0, 1);
75 
76 	/* Enable MCU IO wrapper. */
77 	rtwn_setbits_1(sc, R92C_RSV_CTRL, R92C_RSV_CTRL_WLOCK_00, 0);
78 	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0, 0x08);
79 
80 	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
81 	    0, R92C_SYS_FUNC_EN_CPUEN, 1);
82 }
83 
84 void
85 r12a_fw_download_enable(struct rtwn_softc *sc, int enable)
86 {
87 	if (enable) {
88 		/* MCU firmware download enable. */
89 		rtwn_setbits_1(sc, R92C_MCUFWDL, 0, R92C_MCUFWDL_EN);
90 		/* 8051 reset. */
91 		rtwn_setbits_1_shift(sc, R92C_MCUFWDL, R92C_MCUFWDL_ROM_DLEN,
92 		    0, 2);
93 	} else {
94 		/* MCU download disable. */
95 		rtwn_setbits_1(sc, R92C_MCUFWDL, R92C_MCUFWDL_EN, 0);
96 	}
97 }
98 
99 void
100 r12a_set_media_status(struct rtwn_softc *sc, int macid)
101 {
102 	struct r12a_fw_cmd_msrrpt status;
103 	int error;
104 
105 	if (macid & RTWN_MACID_VALID)
106 		status.msrb0 = R12A_MSRRPT_B0_ASSOC;
107 	else
108 		status.msrb0 = R12A_MSRRPT_B0_DISASSOC;
109 
110 	status.macid = (macid & ~RTWN_MACID_VALID);
111 	status.macid_end = 0;
112 
113 	error = r88e_fw_cmd(sc, R12A_CMD_MSR_RPT, &status, sizeof(status));
114 	if (error != 0)
115 		device_printf(sc->sc_dev, "cannot change media status!\n");
116 }
117 
118 int
119 r12a_set_pwrmode(struct rtwn_softc *sc, struct ieee80211vap *vap,
120     int off)
121 {
122 	struct r12a_fw_cmd_pwrmode mode;
123 	int error;
124 
125 	if (off && vap->iv_state == IEEE80211_S_RUN &&
126 	    (vap->iv_flags & IEEE80211_F_PMGTON)) {
127 		mode.mode = R88E_PWRMODE_LEG;
128 		/*
129 		 * TODO: switch to RFOFF state
130 		 * (something is missing here - Rx stops with it).
131 		 */
132 #ifdef RTWN_TODO
133 		mode.pwr_state = R88E_PWRMODE_STATE_RFOFF;
134 #else
135 		mode.pwr_state = R88E_PWRMODE_STATE_RFON;
136 #endif
137 	} else {
138 		mode.mode = R88E_PWRMODE_CAM;
139 		mode.pwr_state = R88E_PWRMODE_STATE_ALLON;
140 	}
141 	mode.pwrb1 =
142 	    SM(R88E_PWRMODE_B1_SMART_PS, R88E_PWRMODE_B1_LEG_NULLDATA) |
143 	    SM(R88E_PWRMODE_B1_RLBM, R88E_PWRMODE_B1_MODE_MIN);
144 	/* XXX ignored */
145 	mode.bcn_pass = 0;
146 	mode.queue_uapsd = 0;
147 	mode.pwrb5 = R12A_PWRMODE_B5_NO_BTCOEX;
148 	error = r88e_fw_cmd(sc, R12A_CMD_SET_PWRMODE, &mode, sizeof(mode));
149 	if (error != 0) {
150 		device_printf(sc->sc_dev,
151 		    "%s: CMD_SET_PWRMODE was not sent, error %d\n",
152 		    __func__, error);
153 	}
154 
155 	return (error);
156 }
157 
158 void
159 r12a_iq_calib_fw(struct rtwn_softc *sc)
160 {
161 	struct r12a_softc *rs = sc->sc_priv;
162 	struct ieee80211_channel *c = sc->sc_ic.ic_curchan;
163 	struct r12a_fw_cmd_iq_calib cmd;
164 
165 	if (rs->rs_flags & R12A_IQK_RUNNING)
166 		return;
167 
168 	RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB, "Starting IQ calibration (FW)\n");
169 
170 	cmd.chan = rtwn_chan2centieee(c);
171 	if (IEEE80211_IS_CHAN_5GHZ(c))
172 		cmd.band_bw = RTWN_CMD_IQ_BAND_5GHZ;
173 	else
174 		cmd.band_bw = RTWN_CMD_IQ_BAND_2GHZ;
175 
176 	/* TODO: 80/160 MHz. */
177 	if (IEEE80211_IS_CHAN_HT40(c))
178 		cmd.band_bw |= RTWN_CMD_IQ_CHAN_WIDTH_40;
179 	else
180 		cmd.band_bw |= RTWN_CMD_IQ_CHAN_WIDTH_20;
181 
182 	cmd.ext_5g_pa_lna = RTWN_CMD_IQ_EXT_PA_5G(rs->ext_pa_5g);
183 	cmd.ext_5g_pa_lna |= RTWN_CMD_IQ_EXT_LNA_5G(rs->ext_lna_5g);
184 
185 	if (r88e_fw_cmd(sc, R12A_CMD_IQ_CALIBRATE, &cmd, sizeof(cmd)) != 0) {
186 		RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB,
187 		    "error while sending IQ calibration command to FW!\n");
188 		return;
189 	}
190 
191 	rs->rs_flags |= R12A_IQK_RUNNING;
192 }
193 #endif
194