arch/cris/include/arch-v32/mach-a3/mach/arbiter.h

   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
   7 typedef void (watch_callback)(void);
   8
   9 enum {
  10         arbiter_all_dmas = 0x7fe,
  11         arbiter_cpu = 0x1800,
  12         arbiter_all_clients = 0x7fff
  13 };
  14
  15 enum {
  16         arbiter_bar_all_clients = 0x1ff
  17 };
  18
  19 enum {
  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
  27 int crisv32_arbiter_allocate_bandwidth(int client, int region,
  28                 unsigned long bandwidth);
  29 int crisv32_arbiter_watch(unsigned long start, unsigned long size,
  30                 unsigned long clients, unsigned long accesses,
  31                 watch_callback * cb);
  32 int crisv32_arbiter_unwatch(int id);
  33
  34 #endif