diff options
Diffstat (limited to 'drivers/net/wireless/wl12xx/wl1251_event.c')
| -rw-r--r-- | drivers/net/wireless/wl12xx/wl1251_event.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/drivers/net/wireless/wl12xx/wl1251_event.c b/drivers/net/wireless/wl12xx/wl1251_event.c deleted file mode 100644 index 54223556b30..00000000000 --- a/drivers/net/wireless/wl12xx/wl1251_event.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * This file is part of wl1251 - * - * Copyright (c) 1998-2007 Texas Instruments Incorporated - * Copyright (C) 2008 Nokia Corporation - * - * 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 "wl1251.h" -#include "wl1251_reg.h" -#include "wl1251_io.h" -#include "wl1251_event.h" -#include "wl1251_ps.h" - -static int wl1251_event_scan_complete(struct wl1251 *wl, - struct event_mailbox *mbox) -{ - wl1251_debug(DEBUG_EVENT, "status: 0x%x, channels: %d", - mbox->scheduled_scan_status, - mbox->scheduled_scan_channels); - - if (wl->scanning) { - ieee80211_scan_completed(wl->hw, false); - wl1251_debug(DEBUG_MAC80211, "mac80211 hw scan completed"); - wl->scanning = false; - } - - return 0; -} - -static void wl1251_event_mbox_dump(struct event_mailbox *mbox) -{ - wl1251_debug(DEBUG_EVENT, "MBOX DUMP:"); - wl1251_debug(DEBUG_EVENT, "\tvector: 0x%x", mbox->events_vector); - wl1251_debug(DEBUG_EVENT, "\tmask: 0x%x", mbox->events_mask); -} - -static int wl1251_event_process(struct wl1251 *wl, struct event_mailbox *mbox) -{ - int ret; - u32 vector; - - wl1251_event_mbox_dump(mbox); - - vector = mbox->events_vector & ~(mbox->events_mask); - wl1251_debug(DEBUG_EVENT, "vector: 0x%x", vector); - - if (vector & SCAN_COMPLETE_EVENT_ID) { - ret = wl1251_event_scan_complete(wl, mbox); - if (ret < 0) - return ret; - } - - if (vector & BSS_LOSE_EVENT_ID) { - wl1251_debug(DEBUG_EVENT, "BSS_LOSE_EVENT"); - - if (wl->psm_requested && wl->psm) { - ret = wl1251_ps_set_mode(wl, STATION_ACTIVE_MODE); - if (ret < 0) - return ret; - } - } - - if (vector & SYNCHRONIZATION_TIMEOUT_EVENT_ID && wl->psm) { - wl1251_debug(DEBUG_EVENT, "SYNCHRONIZATION_TIMEOUT_EVENT"); - - /* indicate to the stack, that beacons have been lost */ - ieee80211_beacon_loss(wl->vif); - } - - if (vector & REGAINED_BSS_EVENT_ID) { - if (wl->psm_requested) { - ret = wl1251_ps_set_mode(wl, STATION_POWER_SAVE_MODE); - if (ret < 0) - return ret; - } - } - - return 0; -} - -/* - * Poll the mailbox event field until any of the bits in the mask is set or a - * timeout occurs (WL1251_EVENT_TIMEOUT in msecs) - */ -int wl1251_event_wait(struct wl1251 *wl, u32 mask, int timeout_ms) -{ - u32 events_vector, event; - unsigned long timeout; - - timeout = jiffies + msecs_to_jiffies(timeout_ms); - - do { - if (time_after(jiffies, timeout)) - return -ETIMEDOUT; - - msleep(1); - - /* read from both event fields */ - wl1251_mem_read(wl, wl->mbox_ptr[0], &events_vector, - sizeof(events_vector)); - event = events_vector & mask; - wl1251_mem_read(wl, wl->mbox_ptr[1], &events_vector, - sizeof(events_vector)); - event |= events_vector & mask; - } while (!event); - - return 0; -} - -int wl1251_event_unmask(struct wl1251 *wl) -{ - int ret; - - ret = wl1251_acx_event_mbox_mask(wl, ~(wl->event_mask)); - if (ret < 0) - return ret; - - return 0; -} - -void wl1251_event_mbox_config(struct wl1251 *wl) -{ - wl->mbox_ptr[0] = wl1251_reg_read32(wl, REG_EVENT_MAILBOX_PTR); - wl->mbox_ptr[1] = wl->mbox_ptr[0] + sizeof(struct event_mailbox); - - wl1251_debug(DEBUG_EVENT, "MBOX ptrs: 0x%x 0x%x", - wl->mbox_ptr[0], wl->mbox_ptr[1]); -} - -int wl1251_event_handle(struct wl1251 *wl, u8 mbox_num) -{ - struct event_mailbox mbox; - int ret; - - wl1251_debug(DEBUG_EVENT, "EVENT on mbox %d", mbox_num); - - if (mbox_num > 1) - return -EINVAL; - - /* first we read the mbox descriptor */ - wl1251_mem_read(wl, wl->mbox_ptr[mbox_num], &mbox, - sizeof(struct event_mailbox)); - - /* process the descriptor */ - ret = wl1251_event_process(wl, &mbox); - if (ret < 0) - return ret; - - /* then we let the firmware know it can go on...*/ - wl1251_reg_write32(wl, ACX_REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK); - - return 0; -} |