Atheros AR600x driver + build glue

chromeos/drivers/ath6kl/include/gpio_api.h

Index: chromeos/drivers/ath6kl/include/gpio_api.h
diff --git a/chromeos/drivers/ath6kl/include/gpio_api.h b/chromeos/drivers/ath6kl/include/gpio_api.h
new file mode 100644
index 0000000000000000000000000000000000000000..82edcdd418bbb099ff6e18092783d1fbd7066523
--- /dev/null
+++ b/chromeos/drivers/ath6kl/include/gpio_api.h
@@ -0,0 +1,55 @@
+//------------------------------------------------------------------------------
+// <copyright file="gpio_api.h" company="Atheros">
+//    Copyright (c) 2004-2008 Atheros Corporation.  All rights reserved.
+// 
+// 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;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// Host-side General Purpose I/O API.
+//
+// Author(s): ="Atheros"
+//==============================================================================
+#ifndef _GPIO_API_H_
+#define _GPIO_API_H_
+
+/*
+ * Send a command to the Target in order to change output on GPIO pins.
+ */
+A_STATUS wmi_gpio_output_set(struct wmi_t *wmip,
+                             A_UINT32 set_mask,
+                             A_UINT32 clear_mask,
+                             A_UINT32 enable_mask,
+                             A_UINT32 disable_mask);
+
+/*
+ * Send a command to the Target requesting input state of GPIO pins.
+ */
+A_STATUS wmi_gpio_input_get(struct wmi_t *wmip);
+
+/*
+ * Send a command to the Target to change the value of a GPIO register.
+ */
+A_STATUS wmi_gpio_register_set(struct wmi_t *wmip,
+                               A_UINT32 gpioreg_id,
+                               A_UINT32 value);
+
+/*
+ * Send a command to the Target to fetch the value of a GPIO register.
+ */
+A_STATUS wmi_gpio_register_get(struct wmi_t *wmip, A_UINT32 gpioreg_id);
+
+/*
+ * Send a command to the Target, acknowledging some GPIO interrupts.
+ */
+A_STATUS wmi_gpio_intr_ack(struct wmi_t *wmip, A_UINT32 ack_mask);
+
+#endif /* _GPIO_API_H_ */