include/hw/i2c/pm_smbus.h

   1 #ifndef PM_SMBUS_H
   2 #define PM_SMBUS_H
   3
   4 #define PM_SMBUS_MAX_MSG_SIZE 32
   5
   6 typedef struct PMSMBus {
   7     I2CBus *smbus;
   8     MemoryRegion io;
   9
  10     uint8_t smb_stat;
  11     uint8_t smb_ctl;
  12     uint8_t smb_cmd;
  13     uint8_t smb_addr;
  14     uint8_t smb_data0;
  15     uint8_t smb_data1;
  16     uint8_t smb_data[PM_SMBUS_MAX_MSG_SIZE];
  17     uint8_t smb_blkdata;
  18     uint8_t smb_auxctl;
  19     uint32_t smb_index;
  20
  21     /* Set by pm_smbus.c */
  22     void (*reset)(struct PMSMBus *s);
  23
  24     /* Set by the user. */
  25     bool i2c_enable;
  26     void (*set_irq)(struct PMSMBus *s, bool enabled);
  27     void *opaque;
  28
  29     /* Internally used by pm_smbus. */
  30
  31     /* Set on block transfers after the last byte has been read, so the
  32        INTR bit can be set at the right time. */
  33     bool op_done;
  34 } PMSMBus;
  35
  36 void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk);
  37
  38 #endif /* PM_SMBUS_H */