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
66#ifndef RTWN_WITHOUT_UCODE
67void
68r12a_fw_reset(struct rtwn_softc *sc, int reason)
69{
70	/* Reset MCU IO wrapper. */
71	rtwn_setbits_1(sc, R92C_RSV_CTRL, R92C_RSV_CTRL_WLOCK_00, 0);
72	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0x08, 0);
73
74	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
75	    R92C_SYS_FUNC_EN_CPUEN, 0, 1);
76
77	/* Enable MCU IO wrapper. */
78	rtwn_setbits_1(sc, R92C_RSV_CTRL, R92C_RSV_CTRL_WLOCK_00, 0);
79	rtwn_setbits_1(sc, R92C_RSV_CTRL + 1, 0, 0x08);
80
81	rtwn_setbits_1_shift(sc, R92C_SYS_FUNC_EN,
82	    0, R92C_SYS_FUNC_EN_CPUEN, 1);
83}
84
85void
86r12a_fw_download_enable(struct rtwn_softc *sc, int enable)
87{
88	if (enable) {
89		/* MCU firmware download enable. */
90		rtwn_setbits_1(sc, R92C_MCUFWDL, 0, R92C_MCUFWDL_EN);
91		/* 8051 reset. */
92		rtwn_setbits_1_shift(sc, R92C_MCUFWDL, R92C_MCUFWDL_ROM_DLEN,
93		    0, 2);
94	} else {
95		/* MCU download disable. */
96		rtwn_setbits_1(sc, R92C_MCUFWDL, R92C_MCUFWDL_EN, 0);
97	}
98}
99
100void
101r12a_set_media_status(struct rtwn_softc *sc, int macid)
102{
103	struct r12a_fw_cmd_msrrpt status;
104	int error;
105
106	if (macid & RTWN_MACID_VALID)
107		status.msrb0 = R12A_MSRRPT_B0_ASSOC;
108	else
109		status.msrb0 = R12A_MSRRPT_B0_DISASSOC;
110
111	status.macid = (macid & ~RTWN_MACID_VALID);
112	status.macid_end = 0;
113
114	error = r88e_fw_cmd(sc, R12A_CMD_MSR_RPT, &status, sizeof(status));
115	if (error != 0)
116		device_printf(sc->sc_dev, "cannot change media status!\n");
117}
118
119int
120r12a_set_pwrmode(struct rtwn_softc *sc, struct ieee80211vap *vap,
121    int off)
122{
123	struct r12a_fw_cmd_pwrmode mode;
124	int error;
125
126	if (off && vap->iv_state == IEEE80211_S_RUN &&
127	    (vap->iv_flags & IEEE80211_F_PMGTON)) {
128		mode.mode = R88E_PWRMODE_LEG;
129		/*
130		 * TODO: switch to RFOFF state
131		 * (something is missing here - Rx stops with it).
132		 */
133#ifdef RTWN_TODO
134		mode.pwr_state = R88E_PWRMODE_STATE_RFOFF;
135#else
136		mode.pwr_state = R88E_PWRMODE_STATE_RFON;
137#endif
138	} else {
139		mode.mode = R88E_PWRMODE_CAM;
140		mode.pwr_state = R88E_PWRMODE_STATE_ALLON;
141	}
142	mode.pwrb1 =
143	    SM(R88E_PWRMODE_B1_SMART_PS, R88E_PWRMODE_B1_LEG_NULLDATA) |
144	    SM(R88E_PWRMODE_B1_RLBM, R88E_PWRMODE_B1_MODE_MIN);
145	/* XXX ignored */
146	mode.bcn_pass = 0;
147	mode.queue_uapsd = 0;
148	mode.pwrb5 = R12A_PWRMODE_B5_NO_BTCOEX;
149	error = r88e_fw_cmd(sc, R12A_CMD_SET_PWRMODE, &mode, sizeof(mode));
150	if (error != 0) {
151		device_printf(sc->sc_dev,
152		    "%s: CMD_SET_PWRMODE was not sent, error %d\n",
153		    __func__, error);
154	}
155
156	return (error);
157}
158
159void
160r12a_iq_calib_fw(struct rtwn_softc *sc)
161{
162	struct r12a_softc *rs = sc->sc_priv;
163	struct ieee80211_channel *c = sc->sc_ic.ic_curchan;
164	struct r12a_fw_cmd_iq_calib cmd;
165
166	if (rs->rs_flags & R12A_IQK_RUNNING)
167		return;
168
169	RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB, "Starting IQ calibration (FW)\n");
170
171	cmd.chan = rtwn_chan2centieee(c);
172	if (IEEE80211_IS_CHAN_5GHZ(c))
173		cmd.band_bw = RTWN_CMD_IQ_BAND_5GHZ;
174	else
175		cmd.band_bw = RTWN_CMD_IQ_BAND_2GHZ;
176
177	/* TODO: 80/160 MHz. */
178	if (IEEE80211_IS_CHAN_HT40(c))
179		cmd.band_bw |= RTWN_CMD_IQ_CHAN_WIDTH_40;
180	else
181		cmd.band_bw |= RTWN_CMD_IQ_CHAN_WIDTH_20;
182
183	cmd.ext_5g_pa_lna = RTWN_CMD_IQ_EXT_PA_5G(rs->ext_pa_5g);
184	cmd.ext_5g_pa_lna |= RTWN_CMD_IQ_EXT_LNA_5G(rs->ext_lna_5g);
185
186	if (r88e_fw_cmd(sc, R12A_CMD_IQ_CALIBRATE, &cmd, sizeof(cmd)) != 0) {
187		RTWN_DPRINTF(sc, RTWN_DEBUG_CALIB,
188		    "error while sending IQ calibration command to FW!\n");
189		return;
190	}
191
192	rs->rs_flags |= R12A_IQK_RUNNING;
193}
194#endif
195