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#ifndef _IEEE1394_CSR_H
#define _IEEE1394_CSR_H
 
#ifdef CONFIG_PREEMPT
#include <linux/sched.h>
#endif
 
#define CSR_REGISTER_BASE  0xfffff0000000ULL
 
/* register offsets relative to CSR_REGISTER_BASE */
#define CSR_STATE_CLEAR           0x0
#define CSR_STATE_SET             0x4
#define CSR_NODE_IDS              0x8
#define CSR_RESET_START           0xc
#define CSR_SPLIT_TIMEOUT_HI      0x18
#define CSR_SPLIT_TIMEOUT_LO      0x1c
#define CSR_CYCLE_TIME            0x200
#define CSR_BUS_TIME              0x204
#define CSR_BUSY_TIMEOUT          0x210
#define CSR_BUS_MANAGER_ID        0x21c
#define CSR_BANDWIDTH_AVAILABLE   0x220
#define CSR_CHANNELS_AVAILABLE    0x224
#define CSR_CHANNELS_AVAILABLE_HI 0x224
#define CSR_CHANNELS_AVAILABLE_LO 0x228
#define CSR_BROADCAST_CHANNEL     0x234
#define CSR_CONFIG_ROM            0x400
#define CSR_CONFIG_ROM_END        0x800
#define CSR_FCP_COMMAND           0xB00
#define CSR_FCP_RESPONSE          0xD00
#define CSR_FCP_END               0xF00
#define CSR_TOPOLOGY_MAP          0x1000
#define CSR_TOPOLOGY_MAP_END      0x1400
#define CSR_SPEED_MAP             0x2000
#define CSR_SPEED_MAP_END         0x3000
 
 
struct csr_control {
        spinlock_t lock;
 
        quadlet_t state;
        quadlet_t node_ids;
        quadlet_t split_timeout_hi, split_timeout_lo;
	unsigned long expire;	// Calculated from split_timeout
        quadlet_t cycle_time;
        quadlet_t bus_time;
        quadlet_t bus_manager_id;
        quadlet_t bandwidth_available;
        quadlet_t channels_available_hi, channels_available_lo;
	quadlet_t broadcast_channel;
 
        quadlet_t *rom;
        size_t rom_size;
        unsigned char rom_version;
 
 
        quadlet_t topology_map[256];
        quadlet_t speed_map[1024];
};
 
 
void init_csr(void);
void cleanup_csr(void);
 
#endif /* _IEEE1394_CSR_H */