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 #ifndef __VLYNQ_H__
  20 #define __VLYNQ_H__
  21
  22 #include <linux/device.h>
  23 #include <linux/module.h>
  24 #include <linux/types.h>
  25
  26 struct vlynq_mapping {
  27         u32 size;
  28         u32 offset;
  29 } __attribute__ ((packed));
  30
  31 struct vlynq_device_id {
  32         u32 id;
  33 };
  34
  35 enum vlynq_divisor {
  36         vlynq_div_auto = 0,
  37         vlynq_ldiv1,
  38         vlynq_ldiv2,
  39         vlynq_ldiv3,
  40         vlynq_ldiv4,
  41         vlynq_ldiv5,
  42         vlynq_ldiv6,
  43         vlynq_ldiv7,
  44         vlynq_ldiv8,
  45         vlynq_rdiv1,
  46         vlynq_rdiv2,
  47         vlynq_rdiv3,
  48         vlynq_rdiv4,
  49         vlynq_rdiv5,
  50         vlynq_rdiv6,
  51         vlynq_rdiv7,
  52         vlynq_rdiv8,
  53         vlynq_div_external
  54 };
  55
  56 struct vlynq_regs;
  57 struct vlynq_device {
  58         u32 id;
  59         int irq;
  60         int local_irq;
  61         int remote_irq;
  62         enum vlynq_divisor divisor;
  63         u32 regs_start, regs_end;
  64         u32 mem_start, mem_end;
  65         u32 irq_start, irq_end;
  66         void *priv;
  67         struct vlynq_regs *local;
  68         struct vlynq_regs *remote;
  69         struct device dev;
  70 };
  71
  72 struct vlynq_driver {
  73         char *name;
  74         int (*probe)(struct vlynq_device *dev);
  75         int (*remove)(struct vlynq_device *dev);
  76         struct device_driver driver;
  77 };
  78
  79 #define to_vlynq_driver(drv) container_of(drv, struct vlynq_driver, driver)
  80
  81 struct plat_vlynq_ops {
  82         int (*on)(struct vlynq_device *dev);
  83         void (*off)(struct vlynq_device *dev);
  84 };
  85
  86 #define to_vlynq_device(device) container_of(device, struct vlynq_device, dev)
  87
  88 extern struct bus_type vlynq_bus_type;
  89
  90 extern int __vlynq_register_driver(struct vlynq_driver *driver,
  91                                    struct module *owner);
  92
  93 static inline int vlynq_register_driver(struct vlynq_driver *driver)
  94 {
  95         return __vlynq_register_driver(driver, THIS_MODULE);
  96 }
  97
  98 extern void vlynq_unregister_driver(struct vlynq_driver *driver);
  99 extern int vlynq_device_enable(struct vlynq_device *dev);
 100 extern void vlynq_device_disable(struct vlynq_device *dev);
 101 extern u32 vlynq_remote_id(struct vlynq_device *dev);
 102 extern void vlynq_set_local_mapping(struct vlynq_device *dev,
 103                                     u32 tx_offset,
 104                                     struct vlynq_mapping *mapping);
 105 extern void vlynq_set_remote_mapping(struct vlynq_device *dev,
 106                                      u32 tx_offset,
 107                                      struct vlynq_mapping *mapping);
 108 extern int vlynq_virq_to_irq(struct vlynq_device *dev, int virq);
 109 extern int vlynq_irq_to_virq(struct vlynq_device *dev, int irq);
 110 extern int vlynq_set_local_irq(struct vlynq_device *dev, int virq);
 111 extern int vlynq_set_remote_irq(struct vlynq_device *dev, int virq);
 112
 113 #endif /* __VLYNQ_H__ */