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kernel/linux-rt-4.4.41/drivers/gpu/drm/nouveau/include/nvif/device.h 2.82 KB
5113f6f70   김현기   kernel add
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  #ifndef __NVIF_DEVICE_H__
  #define __NVIF_DEVICE_H__
  
  #include <nvif/object.h>
  #include <nvif/class.h>
  
  struct nvif_device {
  	struct nvif_object object;
  	struct nv_device_info_v0 info;
  };
  
  int  nvif_device_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32,
  		      struct nvif_device *);
  void nvif_device_fini(struct nvif_device *);
  u64  nvif_device_time(struct nvif_device *);
  
  /* Delay based on GPU time (ie. PTIMER).
   *
   * Will return -ETIMEDOUT unless the loop was terminated with 'break',
   * where it will return the number of nanoseconds taken instead.
   */
  #define nvif_nsec(d,n,cond...) ({                                              \
  	struct nvif_device *_device = (d);                                     \
  	u64 _nsecs = (n), _time0 = nvif_device_time(_device);                  \
  	s64 _taken = 0;                                                        \
                                                                                 \
  	do {                                                                   \
  		cond                                                           \
  	} while (_taken = nvif_device_time(_device) - _time0, _taken < _nsecs);\
                                                                                 \
  	if (_taken >= _nsecs)                                                  \
  		_taken = -ETIMEDOUT;                                           \
  	_taken;                                                                \
  })
  #define nvif_usec(d,u,cond...) nvif_nsec((d), (u) * 1000, ##cond)
  #define nvif_msec(d,m,cond...) nvif_usec((d), (m) * 1000, ##cond)
  
  /*XXX*/
  #include <subdev/bios.h>
  #include <subdev/fb.h>
  #include <subdev/mmu.h>
  #include <subdev/bar.h>
  #include <subdev/gpio.h>
  #include <subdev/clk.h>
  #include <subdev/i2c.h>
  #include <subdev/timer.h>
  #include <subdev/therm.h>
  #include <subdev/pci.h>
  
  #define nvxx_device(a) ({                                                      \
  	struct nvif_device *_device = (a);                                     \
  	struct {                                                               \
  		struct nvkm_object object;                                     \
  		struct nvkm_device *device;                                    \
  	} *_udevice = _device->object.priv;                                    \
  	_udevice->device;                                                      \
  })
  #define nvxx_bios(a) nvxx_device(a)->bios
  #define nvxx_fb(a) nvxx_device(a)->fb
  #define nvxx_mmu(a) nvxx_device(a)->mmu
  #define nvxx_bar(a) nvxx_device(a)->bar
  #define nvxx_gpio(a) nvxx_device(a)->gpio
  #define nvxx_clk(a) nvxx_device(a)->clk
  #define nvxx_i2c(a) nvxx_device(a)->i2c
  #define nvxx_therm(a) nvxx_device(a)->therm
  
  #include <core/device.h>
  #include <engine/fifo.h>
  #include <engine/gr.h>
  #include <engine/sw.h>
  
  #define nvxx_fifo(a) nvxx_device(a)->fifo
  #define nvxx_gr(a) nvxx_device(a)->gr
  #endif