wl1271: Change wl12xx Files Names

All files name prefix removed due to the fact that wl12xx driver supports
wl1271 and wl1273.
Also the definition in Kconfig and header files changed respectively.

Signed-off-by: Shahar Levi <shahar_levi@ti.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>

1 files changed, 178 insertions, 0 deletions

diff --git a/drivers/net/wireless/wl12xx/ps.c b/drivers/net/wireless/wl12xx/ps.c
new file mode 100644
index 000000000000..60a3738eadb0
--- /dev/null
+++ b/drivers/net/wireless/wl12xx/ps.c
@@ -0,0 +1,178 @@
+/*
+ * 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 "reg.h"
+#include "ps.h"
+#include "io.h"
+
+#define WL1271_WAKEUP_TIMEOUT 500
+
+void wl1271_elp_work(struct work_struct *work)
+{
+	struct delayed_work *dwork;
+	struct wl1271 *wl;
+
+	dwork = container_of(work, struct delayed_work, work);
+	wl = container_of(dwork, struct wl1271, elp_work);
+
+	wl1271_debug(DEBUG_PSM, "elp work");
+
+	mutex_lock(&wl->mutex);
+
+	if (unlikely(wl->state == WL1271_STATE_OFF))
+		goto out;
+
+	if (test_bit(WL1271_FLAG_IN_ELP, &wl->flags) ||
+	    (!test_bit(WL1271_FLAG_PSM, &wl->flags) &&
+	     !test_bit(WL1271_FLAG_IDLE, &wl->flags)))
+		goto out;
+
+	wl1271_debug(DEBUG_PSM, "chip to elp");
+	wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_SLEEP);
+	set_bit(WL1271_FLAG_IN_ELP, &wl->flags);
+
+out:
+	mutex_unlock(&wl->mutex);
+}
+
+#define ELP_ENTRY_DELAY  5
+
+/* Routines to toggle sleep mode while in ELP */
+void wl1271_ps_elp_sleep(struct wl1271 *wl)
+{
+	if (test_bit(WL1271_FLAG_PSM, &wl->flags) ||
+	    test_bit(WL1271_FLAG_IDLE, &wl->flags)) {
+		cancel_delayed_work(&wl->elp_work);
+		ieee80211_queue_delayed_work(wl->hw, &wl->elp_work,
+					     msecs_to_jiffies(ELP_ENTRY_DELAY));
+	}
+}
+
+int wl1271_ps_elp_wakeup(struct wl1271 *wl, bool chip_awake)
+{
+	DECLARE_COMPLETION_ONSTACK(compl);
+	unsigned long flags;
+	int ret;
+	u32 start_time = jiffies;
+	bool pending = false;
+
+	if (!test_bit(WL1271_FLAG_IN_ELP, &wl->flags))
+		return 0;
+
+	wl1271_debug(DEBUG_PSM, "waking up chip from elp");
+
+	/*
+	 * The spinlock is required here to synchronize both the work and
+	 * the completion variable in one entity.
+	 */
+	spin_lock_irqsave(&wl->wl_lock, flags);
+	if (work_pending(&wl->irq_work) || chip_awake)
+		pending = true;
+	else
+		wl->elp_compl = &compl;
+	spin_unlock_irqrestore(&wl->wl_lock, flags);
+
+	wl1271_raw_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP);
+
+	if (!pending) {
+		ret = wait_for_completion_timeout(
+			&compl, msecs_to_jiffies(WL1271_WAKEUP_TIMEOUT));
+		if (ret == 0) {
+			wl1271_error("ELP wakeup timeout!");
+			ieee80211_queue_work(wl->hw, &wl->recovery_work);
+			ret = -ETIMEDOUT;
+			goto err;
+		} else if (ret < 0) {
+			wl1271_error("ELP wakeup completion error.");
+			goto err;
+		}
+	}
+
+	clear_bit(WL1271_FLAG_IN_ELP, &wl->flags);
+
+	wl1271_debug(DEBUG_PSM, "wakeup time: %u ms",
+		     jiffies_to_msecs(jiffies - start_time));
+	goto out;
+
+err:
+	spin_lock_irqsave(&wl->wl_lock, flags);
+	wl->elp_compl = NULL;
+	spin_unlock_irqrestore(&wl->wl_lock, flags);
+	return ret;
+
+out:
+	return 0;
+}
+
+int wl1271_ps_set_mode(struct wl1271 *wl, enum wl1271_cmd_ps_mode mode,
+		       u32 rates, bool send)
+{
+	int ret;
+
+	switch (mode) {
+	case STATION_POWER_SAVE_MODE:
+		wl1271_debug(DEBUG_PSM, "entering psm");
+
+		ret = wl1271_acx_wake_up_conditions(wl);
+		if (ret < 0) {
+			wl1271_error("couldn't set wake up conditions");
+			return ret;
+		}
+
+		ret = wl1271_cmd_ps_mode(wl, STATION_POWER_SAVE_MODE,
+					 rates, send);
+		if (ret < 0)
+			return ret;
+
+		set_bit(WL1271_FLAG_PSM, &wl->flags);
+		break;
+	case STATION_ACTIVE_MODE:
+	default:
+		wl1271_debug(DEBUG_PSM, "leaving psm");
+		ret = wl1271_ps_elp_wakeup(wl, false);
+		if (ret < 0)
+			return ret;
+
+		/* disable beacon early termination */
+		ret = wl1271_acx_bet_enable(wl, false);
+		if (ret < 0)
+			return ret;
+
+		/* disable beacon filtering */
+		ret = wl1271_acx_beacon_filter_opt(wl, false);
+		if (ret < 0)
+			return ret;
+
+		ret = wl1271_cmd_ps_mode(wl, STATION_ACTIVE_MODE,
+					 rates, send);
+		if (ret < 0)
+			return ret;
+
+		clear_bit(WL1271_FLAG_PSM, &wl->flags);
+		break;
+	}
+
+	return ret;
+}
+
+