126 lines
3.0 KiB
C
126 lines
3.0 KiB
C
|
/*
|
||
|
|
* This file is part of wl1271
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008-2009 Nokia Corporation
|
||
|
|
*
|
||
|
|
* Contact: Luciano Coelho <luciano.coelho@nokia.com>
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU General Public License
|
||
|
|
* version 2 as published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program is distributed in the hope that it will be useful, but
|
||
|
|
* WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
* General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program; if not, write to the Free Software
|
||
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
|
||
|
|
* 02110-1301 USA
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "wl1271.h"
|
||
|
|
#include "wl1271_reg.h"
|
||
|
|
#include "wl1271_spi.h"
|
||
|
|
#include "wl1271_event.h"
|
||
|
|
#include "wl1271_ps.h"
|
||
|
|
|
||
|
|
static int wl1271_event_scan_complete(struct wl1271 *wl,
|
||
|
|
struct event_mailbox *mbox)
|
||
|
|
{
|
||
|
|
wl1271_debug(DEBUG_EVENT, "status: 0x%x",
|
||
|
|
mbox->scheduled_scan_status);
|
||
|
|
|
||
|
|
if (wl->scanning) {
|
||
|
|
mutex_unlock(&wl->mutex);
|
||
|
|
ieee80211_scan_completed(wl->hw, false);
|
||
|
|
mutex_lock(&wl->mutex);
|
||
|
|
wl->scanning = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void wl1271_event_mbox_dump(struct event_mailbox *mbox)
|
||
|
|
{
|
||
|
|
wl1271_debug(DEBUG_EVENT, "MBOX DUMP:");
|
||
|
|
wl1271_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector);
|
||
|
|
wl1271_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int wl1271_event_process(struct wl1271 *wl, struct event_mailbox *mbox)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
u32 vector;
|
||
|
|
|
||
|
|
wl1271_event_mbox_dump(mbox);
|
||
|
|
|
||
|
|
vector = mbox->events_vector & ~(mbox->events_mask);
|
||
|
|
wl1271_debug(DEBUG_EVENT, "vector: 0x%x", vector);
|
||
|
|
|
||
|
|
if (vector & SCAN_COMPLETE_EVENT_ID) {
|
||
|
|
ret = wl1271_event_scan_complete(wl, mbox);
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (vector & BSS_LOSE_EVENT_ID) {
|
||
|
|
wl1271_debug(DEBUG_EVENT, "BSS_LOSE_EVENT");
|
||
|
|
|
||
|
|
if (wl->psm_requested && wl->psm) {
|
||
|
|
ret = wl1271_ps_set_mode(wl, STATION_ACTIVE_MODE);
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int wl1271_event_unmask(struct wl1271 *wl)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = wl1271_acx_event_mbox_mask(wl, ~(wl->event_mask));
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void wl1271_event_mbox_config(struct wl1271 *wl)
|
||
|
|
{
|
||
|
|
wl->mbox_ptr[0] = wl1271_reg_read32(wl, REG_EVENT_MAILBOX_PTR);
|
||
|
|
wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox);
|
||
|
|
|
||
|
|
wl1271_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x",
|
||
|
|
wl->mbox_ptr[0], wl->mbox_ptr[1]);
|
||
|
|
}
|
||
|
|
|
||
|
|
int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
|
||
|
|
{
|
||
|
|
struct event_mailbox mbox;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
wl1271_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num);
|
||
|
|
|
||
|
|
if (mbox_num > 1)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
/* first we read the mbox descriptor */
|
||
|
|
wl1271_spi_mem_read(wl, wl->mbox_ptr[mbox_num], &mbox,
|
||
|
|
sizeof(struct event_mailbox));
|
||
|
|
|
||
|
|
/* process the descriptor */
|
||
|
|
ret = wl1271_event_process(wl, &mbox);
|
||
|
|
if (ret < 0)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
/* then we let the firmware know it can go on...*/
|
||
|
|
wl1271_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|