| /****************************************************************************** |
| * |
| * 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 |
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| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| * (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_bus_h__ |
| #define __iwl_bus_h__ |
| |
| /*This file includes the declaration that are exported from the bus layer */ |
| |
| struct iwl_shared; |
| 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 shared 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, struct iwl_shared *shrd); |
| 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 - bus common data |
| * @dev - pointer to struct device * that represent the device |
| * @ops - pointer to iwl_bus_ops |
| * @shrd - pointer to iwl_shared which holds shared data from the upper layer |
| * @irq - the irq number for the device |
| */ |
| struct iwl_bus { |
| /* Common data to all buses */ |
| struct device *dev; |
| const struct iwl_bus_ops *ops; |
| struct iwl_shared *shrd; |
| |
| 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, |
| struct iwl_shared *shrd) |
| { |
| bus->ops->set_drv_data(bus, shrd); |
| } |
| |
| 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 /* __iwl_bus_h__ */ |