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arbiter.h

#ifndef _ASM_CRIS_ARCH_ARBITER_H
#define _ASM_CRIS_ARCH_ARBITER_H

#define EXT_REGION 0
#define INT_REGION 1

typedef void (watch_callback)(void);

enum {
      arbiter_all_dmas = 0x7fe,
      arbiter_cpu = 0x1800,
      arbiter_all_clients = 0x7fff
};

enum {
      arbiter_bar_all_clients = 0x1ff
};

enum {
      arbiter_all_read = 0x55,
      arbiter_all_write = 0xaa,
      arbiter_all_accesses = 0xff
};

#define MARB_CLIENTS(foo_cli, bar_cli) (((bar_cli) << 16) | (foo_cli))

int crisv32_arbiter_allocate_bandwidth(int client, int region,
            unsigned long bandwidth);
int crisv32_arbiter_watch(unsigned long start, unsigned long size,
            unsigned long clients, unsigned long accesses,
            watch_callback * cb);
int crisv32_arbiter_unwatch(int id);

#endif

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