drivers/ieee1394/csr.h

   1
   2 #ifndef _IEEE1394_CSR_H
   3 #define _IEEE1394_CSR_H
   4
   5 #ifdef CONFIG_PREEMPT
   6 #include <linux/sched.h>
   7 #endif
   8
   9 #define CSR_REGISTER_BASE  0xfffff0000000ULL
  10
  11 /* register offsets relative to CSR_REGISTER_BASE */
  12 #define CSR_STATE_CLEAR           0x0
  13 #define CSR_STATE_SET             0x4
  14 #define CSR_NODE_IDS              0x8
  15 #define CSR_RESET_START           0xc
  16 #define CSR_SPLIT_TIMEOUT_HI      0x18
  17 #define CSR_SPLIT_TIMEOUT_LO      0x1c
  18 #define CSR_CYCLE_TIME            0x200
  19 #define CSR_BUS_TIME              0x204
  20 #define CSR_BUSY_TIMEOUT          0x210
  21 #define CSR_BUS_MANAGER_ID        0x21c
  22 #define CSR_BANDWIDTH_AVAILABLE   0x220
  23 #define CSR_CHANNELS_AVAILABLE    0x224
  24 #define CSR_CHANNELS_AVAILABLE_HI 0x224
  25 #define CSR_CHANNELS_AVAILABLE_LO 0x228
  26 #define CSR_BROADCAST_CHANNEL     0x234
  27 #define CSR_CONFIG_ROM            0x400
  28 #define CSR_CONFIG_ROM_END        0x800
  29 #define CSR_FCP_COMMAND           0xB00
  30 #define CSR_FCP_RESPONSE          0xD00
  31 #define CSR_FCP_END               0xF00
  32 #define CSR_TOPOLOGY_MAP          0x1000
  33 #define CSR_TOPOLOGY_MAP_END      0x1400
  34 #define CSR_SPEED_MAP             0x2000
  35 #define CSR_SPEED_MAP_END         0x3000
  36
  37
  38 struct csr_control {
  39         spinlock_t lock;
  40
  41         quadlet_t state;
  42         quadlet_t node_ids;
  43         quadlet_t split_timeout_hi, split_timeout_lo;
  44         unsigned long expire;   // Calculated from split_timeout
  45         quadlet_t cycle_time;
  46         quadlet_t bus_time;
  47         quadlet_t bus_manager_id;
  48         quadlet_t bandwidth_available;
  49         quadlet_t channels_available_hi, channels_available_lo;
  50         quadlet_t broadcast_channel;
  51
  52         quadlet_t *rom;
  53         size_t rom_size;
  54         unsigned char rom_version;
  55
  56
  57         quadlet_t topology_map[256];
  58         quadlet_t speed_map[1024];
  59 };
  60
  61
  62 void init_csr(void);
  63 void cleanup_csr(void);
  64
  65 #endif /* _IEEE1394_CSR_H */