src/gallium/drivers/radeon/AMDILEvergreenDevice.h

   1 //==- AMDILEvergreenDevice.h - Define Evergreen Device for AMDIL -*- C++ -*--=//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //==-----------------------------------------------------------------------===//
   9 //
  10 // Interface for the subtarget data classes.
  11 //
  12 //===----------------------------------------------------------------------===//
  13 // This file will define the interface that each generation needs to
  14 // implement in order to correctly answer queries on the capabilities of the
  15 // specific hardware.
  16 //===----------------------------------------------------------------------===//
  17 #ifndef _AMDILEVERGREENDEVICE_H_
  18 #define _AMDILEVERGREENDEVICE_H_
  19 #include "AMDILDevice.h"
  20 #include "AMDGPUSubtarget.h"
  21
  22 namespace llvm {
  23   class AMDGPUSubtarget;
  24 //===----------------------------------------------------------------------===//
  25 // Evergreen generation of devices and their respective sub classes
  26 //===----------------------------------------------------------------------===//
  27
  28
  29 // The AMDGPUEvergreenDevice is the base device class for all of the Evergreen
  30 // series of cards. This class contains information required to differentiate
  31 // the Evergreen device from the generic AMDGPUDevice. This device represents
  32 // that capabilities of the 'Juniper' cards, also known as the HD57XX.
  33 class AMDGPUEvergreenDevice : public AMDGPUDevice {
  34 public:
  35   AMDGPUEvergreenDevice(AMDGPUSubtarget *ST);
  36   virtual ~AMDGPUEvergreenDevice();
  37   virtual size_t getMaxLDSSize() const;
  38   virtual size_t getMaxGDSSize() const;
  39   virtual size_t getWavefrontSize() const;
  40   virtual uint32_t getGeneration() const;
  41   virtual uint32_t getMaxNumUAVs() const;
  42   virtual uint32_t getResourceID(uint32_t) const;
  43 protected:
  44   virtual void setCaps();
  45 }; // AMDGPUEvergreenDevice
  46
  47 // The AMDGPUCypressDevice is similiar to the AMDGPUEvergreenDevice, except it has
  48 // support for double precision operations. This device is used to represent
  49 // both the Cypress and Hemlock cards, which are commercially known as HD58XX
  50 // and HD59XX cards.
  51 class AMDGPUCypressDevice : public AMDGPUEvergreenDevice {
  52 public:
  53   AMDGPUCypressDevice(AMDGPUSubtarget *ST);
  54   virtual ~AMDGPUCypressDevice();
  55 private:
  56   virtual void setCaps();
  57 }; // AMDGPUCypressDevice
  58
  59
  60 // The AMDGPUCedarDevice is the class that represents all of the 'Cedar' based
  61 // devices. This class differs from the base AMDGPUEvergreenDevice in that the
  62 // device is a ~quarter of the 'Juniper'. These are commercially known as the
  63 // HD54XX and HD53XX series of cards.
  64 class AMDGPUCedarDevice : public AMDGPUEvergreenDevice {
  65 public:
  66   AMDGPUCedarDevice(AMDGPUSubtarget *ST);
  67   virtual ~AMDGPUCedarDevice();
  68   virtual size_t getWavefrontSize() const;
  69 private:
  70   virtual void setCaps();
  71 }; // AMDGPUCedarDevice
  72
  73 // The AMDGPURedwoodDevice is the class the represents all of the 'Redwood' based
  74 // devices. This class differs from the base class, in that these devices are
  75 // considered about half of a 'Juniper' device. These are commercially known as
  76 // the HD55XX and HD56XX series of cards.
  77 class AMDGPURedwoodDevice : public AMDGPUEvergreenDevice {
  78 public:
  79   AMDGPURedwoodDevice(AMDGPUSubtarget *ST);
  80   virtual ~AMDGPURedwoodDevice();
  81   virtual size_t getWavefrontSize() const;
  82 private:
  83   virtual void setCaps();
  84 }; // AMDGPURedwoodDevice
  85
  86 } // namespace llvm
  87 #endif // _AMDGPUEVERGREENDEVICE_H_