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Diffstat (limited to 'kernel/drivers/net/wireless/ath/wcn36xx/pmc.c')
-rw-r--r--kernel/drivers/net/wireless/ath/wcn36xx/pmc.c62
1 files changed, 62 insertions, 0 deletions
diff --git a/kernel/drivers/net/wireless/ath/wcn36xx/pmc.c b/kernel/drivers/net/wireless/ath/wcn36xx/pmc.c
new file mode 100644
index 000000000..28b515c81
--- /dev/null
+++ b/kernel/drivers/net/wireless/ath/wcn36xx/pmc.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2013 Eugene Krasnikov <k.eugene.e@gmail.com>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include "wcn36xx.h"
+
+int wcn36xx_pmc_enter_bmps_state(struct wcn36xx *wcn,
+ struct ieee80211_vif *vif)
+{
+ int ret = 0;
+ struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
+ /* TODO: Make sure the TX chain clean */
+ ret = wcn36xx_smd_enter_bmps(wcn, vif);
+ if (!ret) {
+ wcn36xx_dbg(WCN36XX_DBG_PMC, "Entered BMPS\n");
+ vif_priv->pw_state = WCN36XX_BMPS;
+ } else {
+ /*
+ * One of the reasons why HW will not enter BMPS is because
+ * driver is trying to enter bmps before first beacon was
+ * received just after auth complete
+ */
+ wcn36xx_err("Can not enter BMPS!\n");
+ }
+ return ret;
+}
+
+int wcn36xx_pmc_exit_bmps_state(struct wcn36xx *wcn,
+ struct ieee80211_vif *vif)
+{
+ struct wcn36xx_vif *vif_priv = (struct wcn36xx_vif *)vif->drv_priv;
+
+ if (WCN36XX_BMPS != vif_priv->pw_state) {
+ wcn36xx_err("Not in BMPS mode, no need to exit from BMPS mode!\n");
+ return -EINVAL;
+ }
+ wcn36xx_smd_exit_bmps(wcn, vif);
+ vif_priv->pw_state = WCN36XX_FULL_POWER;
+ return 0;
+}
+
+int wcn36xx_enable_keep_alive_null_packet(struct wcn36xx *wcn,
+ struct ieee80211_vif *vif)
+{
+ wcn36xx_dbg(WCN36XX_DBG_PMC, "%s\n", __func__);
+ return wcn36xx_smd_keep_alive_req(wcn, vif,
+ WCN36XX_HAL_KEEP_ALIVE_NULL_PKT);
+}