Merge commit 'v3.1-rc4' into next

1 files changed, 139 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-bus.h b/drivers/net/wireless/iwlwifi/iwl-bus.h
new file mode 100644
index 00000000000..f3ee1c0c004
--- /dev/null
+++ b/drivers/net/wireless/iwlwifi/iwl-bus.h
@@ -0,0 +1,139 @@
+/******************************************************************************
+ *
+ * This file is provided under a dual BSD/GPLv2 license.  When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * Copyright(c) 2007 - 2011 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of version 2 of the GNU General Public License 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 Street, Fifth Floor, Boston, MA 02110,
+ * USA
+ *
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * Contact Information:
+ *  Intel Linux Wireless <ilw@linux.intel.com>
+ * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2005 - 2011 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  * Neither the name Intel Corporation nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *****************************************************************************/
+#ifndef __iwl_pci_h__
+#define __iwl_pci_h__
+
+struct iwl_bus;
+
+/**
+ * struct iwl_bus_ops - bus specific operations
+ * @get_pm_support: must returns true if the bus can go to sleep
+ * @apm_config: will be called during the config of the APM configuration
+ * @set_drv_data: set the drv_data pointer to the bus layer
+ * @get_hw_id: prints the hw_id in the provided buffer
+ * @write8: write a byte to register at offset ofs
+ * @write32: write a dword to register at offset ofs
+ * @wread32: read a dword at register at offset ofs
+ */
+struct iwl_bus_ops {
+	bool (*get_pm_support)(struct iwl_bus *bus);
+	void (*apm_config)(struct iwl_bus *bus);
+	void (*set_drv_data)(struct iwl_bus *bus, void *drv_data);
+	void (*get_hw_id)(struct iwl_bus *bus, char buf[], int buf_len);
+	void (*write8)(struct iwl_bus *bus, u32 ofs, u8 val);
+	void (*write32)(struct iwl_bus *bus, u32 ofs, u32 val);
+	u32 (*read32)(struct iwl_bus *bus, u32 ofs);
+};
+
+struct iwl_bus {
+	/* Common data to all buses */
+	void *drv_data; /* driver's context */
+	struct device *dev;
+	struct iwl_bus_ops *ops;
+
+	unsigned int irq;
+
+	/* pointer to bus specific struct */
+	/*Ensure that this pointer will always be aligned to sizeof pointer */
+	char bus_specific[0] __attribute__((__aligned__(sizeof(void *))));
+};
+
+static inline bool bus_get_pm_support(struct iwl_bus *bus)
+{
+	return bus->ops->get_pm_support(bus);
+}
+
+static inline void bus_apm_config(struct iwl_bus *bus)
+{
+	bus->ops->apm_config(bus);
+}
+
+static inline void bus_set_drv_data(struct iwl_bus *bus, void *drv_data)
+{
+	bus->ops->set_drv_data(bus, drv_data);
+}
+
+static inline void bus_get_hw_id(struct iwl_bus *bus, char buf[], int buf_len)
+{
+	bus->ops->get_hw_id(bus, buf, buf_len);
+}
+
+static inline void bus_write8(struct iwl_bus *bus, u32 ofs, u8 val)
+{
+	bus->ops->write8(bus, ofs, val);
+}
+
+static inline void bus_write32(struct iwl_bus *bus, u32 ofs, u32 val)
+{
+	bus->ops->write32(bus, ofs, val);
+}
+
+static inline u32 bus_read32(struct iwl_bus *bus, u32 ofs)
+{
+	return bus->ops->read32(bus, ofs);
+}
+
+int __must_check iwl_pci_register_driver(void);
+void iwl_pci_unregister_driver(void);
+
+#endif