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#ifndef _IEEE1394_CSR_H
#define _IEEE1394_CSR_H
#ifdef CONFIG_PREEMPT
#include <linux/sched.h>
#endif
#include "csr1212.h"
#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
/* IEEE 1394 bus specific Configuration ROM Key IDs */
#define IEEE1394_KV_ID_POWER_REQUIREMENTS (0x30)
/* IEEE 1394 Bus Inforamation Block specifics */
#define CSR_BUS_INFO_SIZE (5 * sizeof(quadlet_t))
#define CSR_IRMC_SHIFT 31
#define CSR_CMC_SHIFT 30
#define CSR_ISC_SHIFT 29
#define CSR_BMC_SHIFT 28
#define CSR_PMC_SHIFT 27
#define CSR_CYC_CLK_ACC_SHIFT 16
#define CSR_MAX_REC_SHIFT 12
#define CSR_MAX_ROM_SHIFT 8
#define CSR_GENERATION_SHIFT 4
#define CSR_SET_BUS_INFO_GENERATION(csr, gen) \
((csr)->bus_info_data[2] = \
cpu_to_be32((be32_to_cpu((csr)->bus_info_data[2]) & \
~(0xf << CSR_GENERATION_SHIFT)) | \
(gen) << CSR_GENERATION_SHIFT))
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;
/* Bus Info */
quadlet_t guid_hi, guid_lo;
u8 cyc_clk_acc;
u8 max_rec;
u8 max_rom;
u8 generation; /* Only use values between 0x2 and 0xf */
u8 lnk_spd;
unsigned long gen_timestamp[16];
struct csr1212_csr *rom;
quadlet_t topology_map[256];
quadlet_t speed_map[1024];
};
extern struct csr1212_bus_ops csr_bus_ops;
int init_csr(void);
void cleanup_csr(void);
#endif /* _IEEE1394_CSR_H */
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