linux/arch/cris/include/arch-v32/mach-a3/mach/arbiter.h
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   1#ifndef _ASM_CRIS_ARCH_ARBITER_H
   2#define _ASM_CRIS_ARCH_ARBITER_H
   3
   4#define EXT_REGION 0
   5#define INT_REGION 1
   6
   7typedef void (watch_callback)(void);
   8
   9enum {
  10        arbiter_all_dmas = 0x7fe,
  11        arbiter_cpu = 0x1800,
  12        arbiter_all_clients = 0x7fff
  13};
  14
  15enum {
  16        arbiter_bar_all_clients = 0x1ff
  17};
  18
  19enum {
  20        arbiter_all_read = 0x55,
  21        arbiter_all_write = 0xaa,
  22        arbiter_all_accesses = 0xff
  23};
  24
  25#define MARB_CLIENTS(foo_cli, bar_cli) (((bar_cli) << 16) | (foo_cli))
  26
  27int crisv32_arbiter_allocate_bandwidth(int client, int region,
  28                unsigned long bandwidth);
  29int crisv32_arbiter_watch(unsigned long start, unsigned long size,
  30                unsigned long clients, unsigned long accesses,
  31                watch_callback * cb);
  32int crisv32_arbiter_unwatch(int id);
  33
  34#endif
  35