Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / net / wireless / rsi / rsi_common.h

diff --git a/kernel/drivers/net/wireless/rsi/rsi_common.h b/kernel/drivers/net/wireless/rsi/rsi_common.h
new file mode 100644 (file)
index 0000000..d3fbe33
--- /dev/null
+++ b/kernel/drivers/net/wireless/rsi/rsi_common.h
@@ -0,0 +1,87 @@
+/**
+ * Copyright (c) 2014 Redpine Signals Inc.
+ *
+ * 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.
+ */
+
+#ifndef __RSI_COMMON_H__
+#define __RSI_COMMON_H__
+
+#include <linux/kthread.h>
+
+#define EVENT_WAIT_FOREVER              0
+#define TA_LOAD_ADDRESS                 0x00
+#define FIRMWARE_RSI9113                "rsi_91x.fw"
+#define QUEUE_NOT_FULL                  1
+#define QUEUE_FULL                      0
+
+static inline int rsi_init_event(struct rsi_event *pevent)
+{
+       atomic_set(&pevent->event_condition, 1);
+       init_waitqueue_head(&pevent->event_queue);
+       return 0;
+}
+
+static inline int rsi_wait_event(struct rsi_event *event, u32 timeout)
+{
+       int status = 0;
+
+       if (!timeout)
+               status = wait_event_interruptible(event->event_queue,
+                               (atomic_read(&event->event_condition) == 0));
+       else
+               status = wait_event_interruptible_timeout(event->event_queue,
+                               (atomic_read(&event->event_condition) == 0),
+                               timeout);
+       return status;
+}
+
+static inline void rsi_set_event(struct rsi_event *event)
+{
+       atomic_set(&event->event_condition, 0);
+       wake_up_interruptible(&event->event_queue);
+}
+
+static inline void rsi_reset_event(struct rsi_event *event)
+{
+       atomic_set(&event->event_condition, 1);
+}
+
+static inline int rsi_create_kthread(struct rsi_common *common,
+                                    struct rsi_thread *thread,
+                                    void *func_ptr,
+                                    u8 *name)
+{
+       init_completion(&thread->completion);
+       thread->task = kthread_run(func_ptr, common, "%s", name);
+       if (IS_ERR(thread->task))
+               return (int)PTR_ERR(thread->task);
+
+       return 0;
+}
+
+static inline int rsi_kill_thread(struct rsi_thread *handle)
+{
+       atomic_inc(&handle->thread_done);
+       rsi_set_event(&handle->event);
+
+       wait_for_completion(&handle->completion);
+       return kthread_stop(handle->task);
+}
+
+void rsi_mac80211_detach(struct rsi_hw *hw);
+u16 rsi_get_connected_channel(struct rsi_hw *adapter);
+struct rsi_hw *rsi_91x_init(void);
+void rsi_91x_deinit(struct rsi_hw *adapter);
+int rsi_read_pkt(struct rsi_common *common, s32 rcv_pkt_len);
+#endif