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Diffstat (limited to 'pvr-source/include4/img_types.h')
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diff --git a/pvr-source/include4/img_types.h b/pvr-source/include4/img_types.h new file mode 100644 index 0000000..7f5137e --- /dev/null +++ b/pvr-source/include4/img_types.h @@ -0,0 +1,214 @@ +/*************************************************************************/ /*! +@Title Global types for use by IMG APIs +@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved +@Description Defines type aliases for use by IMG APIs. +@License Dual MIT/GPLv2 + +The contents of this file are subject to the MIT license as set out below. + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +Alternatively, the contents of this file may be used under the terms of +the GNU General Public License Version 2 ("GPL") in which case the provisions +of GPL are applicable instead of those above. + +If you wish to allow use of your version of this file only under the terms of +GPL, and not to allow others to use your version of this file under the terms +of the MIT license, indicate your decision by deleting the provisions above +and replace them with the notice and other provisions required by GPL as set +out in the file called "GPL-COPYING" included in this distribution. If you do +not delete the provisions above, a recipient may use your version of this file +under the terms of either the MIT license or GPL. + +This License is also included in this distribution in the file called +"MIT-COPYING". + +EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS +PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING +BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR +COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER +IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +*/ /**************************************************************************/ +#ifndef __IMG_TYPES_H__ +#define __IMG_TYPES_H__ + +/* define all address space bit depths: */ +/* CPU virtual address space defaults to 32bits */ +#if !defined(IMG_ADDRSPACE_CPUVADDR_BITS) +#define IMG_ADDRSPACE_CPUVADDR_BITS 32 +#endif + +/* Physical address space defaults to 32bits */ +#if !defined(IMG_ADDRSPACE_PHYSADDR_BITS) +#define IMG_ADDRSPACE_PHYSADDR_BITS 32 +#endif + +typedef unsigned int IMG_UINT, *IMG_PUINT; +typedef signed int IMG_INT, *IMG_PINT; + +typedef unsigned char IMG_UINT8, *IMG_PUINT8; +typedef unsigned char IMG_BYTE, *IMG_PBYTE; +typedef signed char IMG_INT8, *IMG_PINT8; +typedef char IMG_CHAR, *IMG_PCHAR; + +typedef unsigned short IMG_UINT16, *IMG_PUINT16; +typedef signed short IMG_INT16, *IMG_PINT16; +#if !defined(IMG_UINT32_IS_ULONG) +typedef unsigned int IMG_UINT32, *IMG_PUINT32; +typedef signed int IMG_INT32, *IMG_PINT32; +#else +typedef unsigned long IMG_UINT32, *IMG_PUINT32; +typedef signed long IMG_INT32, *IMG_PINT32; +#endif +#if !defined(IMG_UINT32_MAX) + #define IMG_UINT32_MAX 0xFFFFFFFFUL +#endif + +#if defined(USE_CODE) + +typedef unsigned __int64 IMG_UINT64, *IMG_PUINT64; +typedef __int64 IMG_INT64, *IMG_PINT64; + +#else + #if defined(LINUX) || defined(__METAG) || defined (__QNXNTO__) + typedef unsigned long long IMG_UINT64, *IMG_PUINT64; + typedef long long IMG_INT64, *IMG_PINT64; + #else + #error("define an OS") + #endif +#endif + +#if !(defined(LINUX) && defined (__KERNEL__)) +/* Linux kernel mode does not use floating point */ +typedef float IMG_FLOAT, *IMG_PFLOAT; +typedef double IMG_DOUBLE, *IMG_PDOUBLE; +#endif + +typedef enum tag_img_bool +{ + IMG_FALSE = 0, + IMG_TRUE = 1, + IMG_FORCE_ALIGN = 0x7FFFFFFF +} IMG_BOOL, *IMG_PBOOL; + +typedef void IMG_VOID, *IMG_PVOID; + +typedef IMG_INT32 IMG_RESULT; + +#if defined(_WIN64) + typedef unsigned __int64 IMG_UINTPTR_T; + typedef signed __int64 IMG_PTRDIFF_T; + typedef IMG_UINT64 IMG_SIZE_T; +#else + typedef unsigned int IMG_UINTPTR_T; + typedef IMG_UINT32 IMG_SIZE_T; +#endif + +typedef IMG_PVOID IMG_HANDLE; + +typedef void** IMG_HVOID, * IMG_PHVOID; + +#define IMG_NULL 0 + +/* services/stream ID */ +typedef IMG_UINT32 IMG_SID; + +typedef IMG_UINT32 IMG_EVENTSID; + +/* + * Address types. + * All types used to refer to a block of memory are wrapped in structures + * to enforce some degree of type safety, i.e. a IMG_DEV_VIRTADDR cannot + * be assigned to a variable of type IMG_DEV_PHYADDR because they are not the + * same thing. + * + * There is an assumption that the system contains at most one non-cpu mmu, + * and a memory block is only mapped by the MMU once. + * + * Different devices could have offset views of the physical address space. + * + */ + + +/* + * + * +------------+ +------------+ +------------+ +------------+ + * | CPU | | DEV | | DEV | | DEV | + * +------------+ +------------+ +------------+ +------------+ + * | | | | + * | PVOID |IMG_DEV_VIRTADDR |IMG_DEV_VIRTADDR | + * | \-------------------/ | + * | | | + * +------------+ +------------+ | + * | MMU | | MMU | | + * +------------+ +------------+ | + * | | | + * | | | + * | | | + * +--------+ +---------+ +--------+ + * | Offset | | (Offset)| | Offset | + * +--------+ +---------+ +--------+ + * | | IMG_DEV_PHYADDR | + * | | | + * | | IMG_DEV_PHYADDR | + * +---------------------------------------------------------------------+ + * | System Address bus | + * +---------------------------------------------------------------------+ + * + */ + +typedef IMG_PVOID IMG_CPU_VIRTADDR; + +/* device virtual address */ +typedef struct _IMG_DEV_VIRTADDR +{ + /* device virtual addresses are 32bit for now */ + IMG_UINT32 uiAddr; +#define IMG_CAST_TO_DEVVADDR_UINT(var) (IMG_UINT32)(var) + +} IMG_DEV_VIRTADDR; + +typedef IMG_UINT32 IMG_DEVMEM_SIZE_T; + +/* cpu physical address */ +typedef struct _IMG_CPU_PHYADDR +{ + /* variable sized type (32,64) */ + IMG_UINTPTR_T uiAddr; +} IMG_CPU_PHYADDR; + +/* device physical address */ +typedef struct _IMG_DEV_PHYADDR +{ +#if IMG_ADDRSPACE_PHYSADDR_BITS == 32 + /* variable sized type (32,64) */ + IMG_UINTPTR_T uiAddr; +#else + IMG_UINT32 uiAddr; + IMG_UINT32 uiHighAddr; +#endif +} IMG_DEV_PHYADDR; + +/* system physical address */ +typedef struct _IMG_SYS_PHYADDR +{ + /* variable sized type (32,64) */ + IMG_UINTPTR_T uiAddr; +} IMG_SYS_PHYADDR; + +#include "img_defs.h" + +#endif /* __IMG_TYPES_H__ */ +/****************************************************************************** + End of file (img_types.h) +******************************************************************************/ |