include/hw/timer/mips_gictimer.h

   1 /*
   2  * This file is subject to the terms and conditions of the GNU General Public
   3  * License.  See the file "COPYING" in the main directory of this archive
   4  * for more details.
   5  *
   6  * Copyright (C) 2016 Imagination Technologies
   7  *
   8  */
   9
  10 #ifndef MIPS_GICTIMER_H
  11 #define MIPS_GICTIMER_H
  12
  13 typedef struct MIPSGICTimerVPState MIPSGICTimerVPState;
  14 typedef struct MIPSGICTimerState MIPSGICTimerState;
  15
  16 typedef void MIPSGICTimerCB(void *opaque, uint32_t vp_index);
  17
  18 struct MIPSGICTimerVPState {
  19     QEMUTimer *qtimer;
  20     uint32_t vp_index;
  21     uint32_t comparelo;
  22     MIPSGICTimerState *gictimer;
  23 };
  24
  25 struct MIPSGICTimerState {
  26     void *opaque;
  27     uint8_t countstop;
  28     uint32_t sh_counterlo;
  29     int32_t num_vps;
  30     MIPSGICTimerVPState *vptimers;
  31     MIPSGICTimerCB *cb;
  32 };
  33
  34 uint32_t mips_gictimer_get_freq(MIPSGICTimerState *gic);
  35 uint32_t mips_gictimer_get_sh_count(MIPSGICTimerState *gic);
  36 void mips_gictimer_store_sh_count(MIPSGICTimerState *gic, uint64_t count);
  37 uint32_t mips_gictimer_get_vp_compare(MIPSGICTimerState *gictimer,
  38                                       uint32_t vp_index);
  39 void mips_gictimer_store_vp_compare(MIPSGICTimerState *gic, uint32_t vp_index,
  40                                     uint64_t compare);
  41 uint8_t mips_gictimer_get_countstop(MIPSGICTimerState *gic);
  42 void mips_gictimer_start_count(MIPSGICTimerState *gic);
  43 void mips_gictimer_stop_count(MIPSGICTimerState *gic);
  44 MIPSGICTimerState *mips_gictimer_init(void *opaque, uint32_t nvps,
  45                                       MIPSGICTimerCB *cb);
  46
  47 #endif /* MIPS_GICTIMER_H */