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

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