target/linux/ar7-2.6/files/include/asm-mips/ar7/vlynq.h

   1 /*
   2  * $Id$
   3  *
   4  * Copyright (C) 2006, 2007 OpenWrt.org
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  */
  20
  21
  22 #ifndef __VLYNQ_H__
  23 #define __VLYNQ_H__
  24
  25 struct vlynq_mapping {
  26         u32 size;
  27         u32 offset;
  28 } __attribute__ ((packed));
  29
  30 struct vlynq_device_id {
  31         u32 id;
  32 };
  33
  34 struct vlynq_regs;
  35 struct vlynq_device {
  36         u32 id;
  37         int irq;
  38         int local_irq;
  39         int remote_irq;
  40         int clock_div;
  41         u32 regs_start, regs_end;
  42         u32 mem_start, mem_end;
  43         u32 irq_start, irq_end;
  44         void *priv;
  45         struct vlynq_regs *local;
  46         struct vlynq_regs *remote;
  47         struct device dev;
  48 };
  49
  50 struct vlynq_driver {
  51         char *name;
  52         int (*probe)(struct vlynq_device *dev);
  53         int (*remove)(struct vlynq_device *dev);
  54         struct device_driver driver;
  55 };
  56
  57 #define to_vlynq_driver(drv) container_of(drv, struct vlynq_driver, driver)
  58
  59 struct plat_vlynq_ops {
  60         int (*on)(struct vlynq_device *dev);
  61         void (*off)(struct vlynq_device *dev);
  62 };
  63
  64 #define to_vlynq_device(device) container_of(device, struct vlynq_device, dev)
  65
  66 extern struct bus_type vlynq_bus_type;
  67
  68 extern int __vlynq_register_driver(struct vlynq_driver *driver,
  69                                    struct module *owner);
  70
  71 static inline int vlynq_register_driver(struct vlynq_driver *driver)
  72 {
  73         return __vlynq_register_driver(driver, THIS_MODULE);
  74 }
  75
  76 extern void vlynq_unregister_driver(struct vlynq_driver *driver);
  77 extern int vlynq_device_enable(struct vlynq_device *dev);
  78 extern void vlynq_device_disable(struct vlynq_device *dev);
  79 extern u32 vlynq_local_id(struct vlynq_device *dev);
  80 extern u32 vlynq_remote_id(struct vlynq_device *dev);
  81 extern void vlynq_set_local_mapping(struct vlynq_device *dev,
  82                                     u32 tx_offset,
  83                                     struct vlynq_mapping *mapping);
  84 extern void vlynq_set_remote_mapping(struct vlynq_device *dev,
  85                                      u32 tx_offset,
  86                                      struct vlynq_mapping *mapping);
  87 extern int vlynq_virq_to_irq(struct vlynq_device *dev, int virq);
  88 extern int vlynq_irq_to_virq(struct vlynq_device *dev, int irq);
  89 extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
  90 extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
  91
  92 #endif