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Send a power command to the firmware to shut down the radio as well

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during rsu_stop().
This commit is contained in:
adrian 2015-09-22 05:48:51 +00:00
parent 799f2737d5
commit e958ea25ee
2 changed files with 18 additions and 3 deletions
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20
sys/dev/usb/wlan/if_rsu.c
View File

@ -1088,6 +1088,7 @@ rsu_tx_task(void *arg, int pending __unused)
RSU_UNLOCK(sc);
}
#define RSU_PWR_UNKNOWN 0x0
#define RSU_PWR_ACTIVE 0x1
#define RSU_PWR_OFF 0x2
#define RSU_PWR_SLEEP 0x3
@ -1116,11 +1117,14 @@ rsu_set_fw_power_state(struct rsu_softc *sc, int state)
//struct r92s_pwr_cmd cmd;
int error;
memset(&cmd, 0, sizeof(cmd));
/* XXX TODO: only change state if required */
RSU_ASSERT_LOCKED(sc);
/* only change state if required */
if (sc->sc_curpwrstate == state)
return (0);
memset(&cmd, 0, sizeof(cmd));
switch (state) {
case RSU_PWR_ACTIVE:
/* Force the hardware awake */
@ -1133,6 +1137,9 @@ rsu_set_fw_power_state(struct rsu_softc *sc, int state)
cmd.smart_ps = 1; /* XXX 2 if doing p2p */
cmd.bcn_pass_time = 5; /* in 100mS usb.c, linux/rtlwifi */
break;
case RSU_PWR_OFF:
cmd.mode = R92S_PS_MODE_RADIOOFF;
break;
default:
device_printf(sc->sc_dev, "%s: unknown ps mode (%d)\n",
__func__,
@ -1144,6 +1151,8 @@ rsu_set_fw_power_state(struct rsu_softc *sc, int state)
"%s: setting ps mode to %d (mode %d)\n",
__func__, state, cmd.mode);
error = rsu_fw_cmd(sc, R92S_CMD_SET_PWR_MODE, &cmd, sizeof(cmd));
if (error == 0)
sc->sc_curpwrstate = state;
return (error);
}
@ -2460,6 +2469,9 @@ rsu_power_off(struct rsu_softc *sc)
/* Disable 1.6V LDO. */
rsu_write_1(sc, R92S_SPS0_CTRL + 0, 0x56);
rsu_write_1(sc, R92S_SPS0_CTRL + 1, 0x43);
/* Firmware - tell it to switch things off */
(void) rsu_set_fw_power_state(sc, RSU_PWR_OFF);
}
static int
@ -2828,6 +2840,8 @@ rsu_stop(struct rsu_softc *sc)
{
int i;
RSU_ASSERT_LOCKED(sc);
sc->sc_running = 0;
sc->sc_calibrating = 0;
taskqueue_cancel_timeout(taskqueue_thread, &sc->calib_task, NULL);

1
sys/dev/usb/wlan/if_rsureg.h
View File

@ -749,6 +749,7 @@ struct rsu_softc {
struct mtx sc_mtx;
int sc_ht;
int sc_nendpoints;
int sc_curpwrstate;
u_int sc_running:1,
sc_calibrating:1,