src/gallium/drivers/radeon/AMDILNIDevice.h

   1 //===------- AMDILNIDevice.h - Define NI 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 _AMDILNIDEVICE_H_
  18 #define _AMDILNIDEVICE_H_
  19 #include "AMDILEvergreenDevice.h"
  20 #include "AMDGPUSubtarget.h"
  21
  22 namespace llvm {
  23   class AMDGPUSubtarget;
  24 //===---------------------------------------------------------------------===//
  25 // NI generation of devices and their respective sub classes
  26 //===---------------------------------------------------------------------===//
  27
  28 // The AMDGPUNIDevice is the base class for all Northern Island series of
  29 // cards. It is very similiar to the AMDGPUEvergreenDevice, with the major
  30 // exception being differences in wavefront size and hardware capabilities.  The
  31 // NI devices are all 64 wide wavefronts and also add support for signed 24 bit
  32 // integer operations
  33
  34   class AMDGPUNIDevice : public AMDGPUEvergreenDevice {
  35     public:
  36       AMDGPUNIDevice(AMDGPUSubtarget*);
  37       virtual ~AMDGPUNIDevice();
  38       virtual size_t getMaxLDSSize() const;
  39       virtual uint32_t getGeneration() const;
  40     protected:
  41   }; // AMDGPUNIDevice
  42
  43 // Just as the AMDGPUCypressDevice is the double capable version of the
  44 // AMDGPUEvergreenDevice, the AMDGPUCaymanDevice is the double capable version of
  45 // the AMDGPUNIDevice.  The other major difference that is not as useful from
  46 // standpoint is that the Cayman Device has 4 wide ALU's, whereas the rest of the
  47 // NI family is a 5 wide.
  48
  49   class AMDGPUCaymanDevice: public AMDGPUNIDevice {
  50     public:
  51       AMDGPUCaymanDevice(AMDGPUSubtarget*);
  52       virtual ~AMDGPUCaymanDevice();
  53     private:
  54       virtual void setCaps();
  55   }; // AMDGPUCaymanDevice
  56
  57   static const unsigned int MAX_LDS_SIZE_900 = AMDGPUDevice::MAX_LDS_SIZE_800;
  58 } // namespace llvm
  59 #endif // _AMDILNIDEVICE_H_