qemu/include/hw/i2c/pm_smbus.h
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   1#ifndef PM_SMBUS_H
   2#define PM_SMBUS_H
   3
   4#define PM_SMBUS_MAX_MSG_SIZE 32
   5
   6typedef 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
  36void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk);
  37
  38#endif /* PM_SMBUS_H */
  39