1 /* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */
4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr>
5 * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org>
6 * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org>
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose with or without fee is hereby granted, provided that the above
10 * copyright notice and this permission notice appear in all copies.
12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
21 #include <sys/cdefs.h>
22 __FBSDID("$FreeBSD$");
26 #include <sys/param.h>
28 #include <sys/mutex.h>
30 #include <sys/kernel.h>
31 #include <sys/socket.h>
32 #include <sys/systm.h>
33 #include <sys/malloc.h>
34 #include <sys/queue.h>
35 #include <sys/taskqueue.h>
37 #include <sys/endian.h>
38 #include <sys/linker.h>
41 #include <net/ethernet.h>
42 #include <net/if_media.h>
44 #include <net80211/ieee80211_var.h>
45 #include <net80211/ieee80211_radiotap.h>
47 #include <dev/rtwn/if_rtwnreg.h>
48 #include <dev/rtwn/if_rtwnvar.h>
50 #include <dev/rtwn/if_rtwn_debug.h>
52 #include <dev/rtwn/rtl8188e/r88e.h>
53 #include <dev/rtwn/rtl8188e/r88e_reg.h>
54 #include <dev/rtwn/rtl8188e/r88e_fw_cmd.h>
57 #ifndef RTWN_WITHOUT_UCODE
59 r88e_fw_cmd(struct rtwn_softc *sc, uint8_t id, const void *buf, int len)
61 struct r88e_fw_cmd cmd;
64 if (!(sc->sc_flags & RTWN_FW_LOADED)) {
65 RTWN_DPRINTF(sc, RTWN_DEBUG_FIRMWARE, "%s: firmware "
66 "was not loaded; command (id %d) will be discarded\n",
71 /* Wait for current FW box to be empty. */
72 for (ntries = 0; ntries < 100; ntries++) {
73 if (!(rtwn_read_1(sc, R92C_HMETFR) & (1 << sc->fwcur)))
78 device_printf(sc->sc_dev,
79 "could not send firmware command\n");
82 memset(&cmd, 0, sizeof(cmd));
84 KASSERT(len <= sizeof(cmd.msg),
85 ("%s: firmware command too long (%d > %zu)\n",
86 __func__, len, sizeof(cmd.msg)));
87 memcpy(cmd.msg, buf, len);
89 /* Write the first word last since that will trigger the FW. */
91 error = rtwn_write_4(sc, R88E_HMEBOX_EXT(sc->fwcur),
92 *(uint32_t *)((uint8_t *)&cmd + 4));
96 error = rtwn_write_4(sc, R92C_HMEBOX(sc->fwcur), *(uint32_t *)&cmd);
100 sc->fwcur = (sc->fwcur + 1) % R92C_H2C_NBOX;
106 r88e_fw_reset(struct rtwn_softc *sc, int reason)
110 reg = rtwn_read_2(sc, R92C_SYS_FUNC_EN);
111 rtwn_write_2(sc, R92C_SYS_FUNC_EN, reg & ~R92C_SYS_FUNC_EN_CPUEN);
112 rtwn_write_2(sc, R92C_SYS_FUNC_EN, reg | R92C_SYS_FUNC_EN_CPUEN);
116 r88e_fw_download_enable(struct rtwn_softc *sc, int enable)
119 /* MCU firmware download enable. */
120 rtwn_setbits_1(sc, R92C_MCUFWDL, 0, R92C_MCUFWDL_EN);
122 rtwn_setbits_1_shift(sc, R92C_MCUFWDL, R92C_MCUFWDL_ROM_DLEN,
125 /* MCU download disable. */
126 rtwn_setbits_1(sc, R92C_MCUFWDL, R92C_MCUFWDL_EN, 0);
127 /* Reserved for f/w extension. */
128 rtwn_write_1(sc, R92C_MCUFWDL + 1, 0);
134 r88e_macid_enable_link(struct rtwn_softc *sc, int id, int enable)
138 reg = R88E_MACID_NO_LINK;
143 rtwn_setbits_4(sc, reg, 1 << (id % 32), 0);
145 rtwn_setbits_4(sc, reg, 0, 1 << (id % 32));
147 /* XXX max macid for tx reports */
151 r88e_set_media_status(struct rtwn_softc *sc, int macid)
153 struct r88e_fw_cmd_msrrpt status;
155 if (macid & RTWN_MACID_VALID)
156 status.msrb0 = R88E_MSRRPT_B0_ASSOC;
158 status.msrb0 = R88E_MSRRPT_B0_DISASSOC;
159 status.macid = (macid & ~RTWN_MACID_VALID);
161 r88e_macid_enable_link(sc, status.macid,
162 (macid & RTWN_MACID_VALID) != 0);
164 #ifndef RTWN_WITHOUT_UCODE
165 if (r88e_fw_cmd(sc, R88E_CMD_MSR_RPT, &status, sizeof(status)) != 0) {
166 device_printf(sc->sc_dev, "%s: cannot change media status!\n",
172 #ifndef RTWN_WITHOUT_UCODE
174 r88e_set_rsvd_page(struct rtwn_softc *sc, int probe_resp, int null,
177 struct r88e_fw_cmd_rsvdpage rsvd;
179 rsvd.probe_resp = probe_resp;
181 rsvd.null_data = null;
182 rsvd.null_data_qos = qos_null;
183 rsvd.null_data_qos_bt = 0;
184 return (r88e_fw_cmd(sc, R88E_CMD_RSVD_PAGE, &rsvd, sizeof(rsvd)));
188 r88e_set_pwrmode(struct rtwn_softc *sc, struct ieee80211vap *vap,
191 struct r88e_fw_cmd_pwrmode mode;
194 if (off && vap->iv_state == IEEE80211_S_RUN &&
195 (vap->iv_flags & IEEE80211_F_PMGTON)) {
196 mode.mode = R88E_PWRMODE_LEG;
198 * TODO: switch to RFOFF state
199 * (something is missing here - Rx stops with it).
202 mode.pwr_state = R88E_PWRMODE_STATE_RFOFF;
204 mode.pwr_state = R88E_PWRMODE_STATE_RFON;
207 mode.mode = R88E_PWRMODE_CAM;
208 mode.pwr_state = R88E_PWRMODE_STATE_ALLON;
211 SM(R88E_PWRMODE_B1_SMART_PS, R88E_PWRMODE_B1_LEG_NULLDATA) |
212 SM(R88E_PWRMODE_B1_RLBM, R88E_PWRMODE_B1_MODE_MIN);
215 mode.queue_uapsd = 0;
216 error = r88e_fw_cmd(sc, R88E_CMD_SET_PWRMODE, &mode, sizeof(mode));
218 device_printf(sc->sc_dev,
219 "%s: CMD_SET_PWRMODE was not sent, error %d\n",