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authorLuciano Coelho <coelho@ti.com>2011-11-20 21:40:41 +0200
committerLuciano Coelho <coelho@ti.com>2012-04-12 08:43:55 +0300
commit90921014608d91a03766d0025fa32662dc7c5062 (patch)
treeadba69dd7be20600cdec0cc856263dc2ca3bfdb1 /drivers/net/wireless/wl1251/ps.c
parent16f3eb530fb5e7eacbdaaf09c66edc273087a21d (diff)
wireless/wl12xx/wl1251: move TI WLAN modules to a common ti subdirectory
Move wl12xx and wl1251 modules into a new drivers/net/wireless/ti directory. Add a TI WLAN Kconfig option and Makefile to support this change. Signed-off-by: Luciano Coelho <coelho@ti.com> Cc: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/wl1251/ps.c')
-rw-r--r--drivers/net/wireless/wl1251/ps.c185
1 files changed, 0 insertions, 185 deletions
diff --git a/drivers/net/wireless/wl1251/ps.c b/drivers/net/wireless/wl1251/ps.c
deleted file mode 100644
index db719f7d269..00000000000
--- a/drivers/net/wireless/wl1251/ps.c
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * This file is part of wl1251
- *
- * 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 "reg.h"
-#include "ps.h"
-#include "cmd.h"
-#include "io.h"
-
-/* in ms */
-#define WL1251_WAKEUP_TIMEOUT 100
-
-void wl1251_elp_work(struct work_struct *work)
-{
- struct delayed_work *dwork;
- struct wl1251 *wl;
-
- dwork = container_of(work, struct delayed_work, work);
- wl = container_of(dwork, struct wl1251, elp_work);
-
- wl1251_debug(DEBUG_PSM, "elp work");
-
- mutex_lock(&wl->mutex);
-
- if (wl->elp || wl->station_mode == STATION_ACTIVE_MODE)
- goto out;
-
- wl1251_debug(DEBUG_PSM, "chip to elp");
- wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
- wl->elp = true;
-
-out:
- mutex_unlock(&wl->mutex);
-}
-
-#define ELP_ENTRY_DELAY 5
-
-/* Routines to toggle sleep mode while in ELP */
-void wl1251_ps_elp_sleep(struct wl1251 *wl)
-{
- unsigned long delay;
-
- if (wl->station_mode != STATION_ACTIVE_MODE) {
- delay = msecs_to_jiffies(ELP_ENTRY_DELAY);
- ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, delay);
- }
-}
-
-int wl1251_ps_elp_wakeup(struct wl1251 *wl)
-{
- unsigned long timeout, start;
- u32 elp_reg;
-
- if (delayed_work_pending(&wl->elp_work))
- cancel_delayed_work(&wl->elp_work);
-
- if (!wl->elp)
- return 0;
-
- wl1251_debug(DEBUG_PSM, "waking up chip from elp");
-
- start = jiffies;
- timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT);
-
- wl1251_write_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP);
-
- elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);
-
- /*
- * FIXME: we should wait for irq from chip but, as a temporary
- * solution to simplify locking, let's poll instead
- */
- while (!(elp_reg & ELPCTRL_WLAN_READY)) {
- if (time_after(jiffies, timeout)) {
- wl1251_error("elp wakeup timeout");
- return -ETIMEDOUT;
- }
- msleep(1);
- elp_reg = wl1251_read_elp(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);
- }
-
- wl1251_debug(DEBUG_PSM, "wakeup time: %u ms",
- jiffies_to_msecs(jiffies - start));
-
- wl->elp = false;
-
- return 0;
-}
-
-int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_station_mode mode)
-{
- int ret;
-
- switch (mode) {
- case STATION_POWER_SAVE_MODE:
- wl1251_debug(DEBUG_PSM, "entering psm");
-
- /* enable beacon filtering */
- ret = wl1251_acx_beacon_filter_opt(wl, true);
- if (ret < 0)
- return ret;
-
- ret = wl1251_acx_wake_up_conditions(wl,
- WAKE_UP_EVENT_DTIM_BITMAP,
- wl->listen_int);
- if (ret < 0)
- return ret;
-
- ret = wl1251_acx_bet_enable(wl, WL1251_ACX_BET_ENABLE,
- WL1251_DEFAULT_BET_CONSECUTIVE);
- if (ret < 0)
- return ret;
-
- ret = wl1251_cmd_ps_mode(wl, CHIP_POWER_SAVE_MODE);
- if (ret < 0)
- return ret;
-
- ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_ELP);
- if (ret < 0)
- return ret;
- break;
- case STATION_IDLE:
- wl1251_debug(DEBUG_PSM, "entering idle");
-
- ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_ELP);
- if (ret < 0)
- return ret;
-
- ret = wl1251_cmd_template_set(wl, CMD_DISCONNECT, NULL, 0);
- if (ret < 0)
- return ret;
- break;
- case STATION_ACTIVE_MODE:
- default:
- wl1251_debug(DEBUG_PSM, "leaving psm");
-
- ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM);
- if (ret < 0)
- return ret;
-
- /* disable BET */
- ret = wl1251_acx_bet_enable(wl, WL1251_ACX_BET_DISABLE,
- WL1251_DEFAULT_BET_CONSECUTIVE);
- if (ret < 0)
- return ret;
-
- /* disable beacon filtering */
- ret = wl1251_acx_beacon_filter_opt(wl, false);
- if (ret < 0)
- return ret;
-
- ret = wl1251_acx_wake_up_conditions(wl,
- WAKE_UP_EVENT_DTIM_BITMAP,
- wl->listen_int);
- if (ret < 0)
- return ret;
-
- ret = wl1251_cmd_ps_mode(wl, CHIP_ACTIVE_MODE);
- if (ret < 0)
- return ret;
-
- break;
- }
- wl->station_mode = mode;
-
- return ret;
-}
-