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https://github.com/revyos/thead-kernel.git
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f72e7cd077
This version update involves a lot of content, so the previous version has been deleted and the new version has been re-merged into the kernel. The configuration file for the GPU driver originates from a previous version. Signed-off-by: Mingzheng Xing <xingmingzheng@iscas.ac.cn>
141 lines
6.1 KiB
C
141 lines
6.1 KiB
C
/*************************************************************************/ /*!
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@File rgx_compat_bvnc.h
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@Title BVNC compatibility check utilities
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@Description Utility functions used for packing BNC and V.
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#if !defined(RGX_COMPAT_BVNC_H)
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#define RGX_COMPAT_BVNC_H
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#include "img_types.h"
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#if defined(RGX_FIRMWARE) /* Services firmware */
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# include "rgxfw_utils.h"
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# define PVR_COMPAT_ASSERT RGXFW_ASSERT
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#elif !defined(RGX_BUILD_BINARY) /* Services host driver code */
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# include "pvr_debug.h"
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# define PVR_COMPAT_ASSERT PVR_ASSERT
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#else /* FW user-mode tools */
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# include <assert.h>
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# define PVR_COMPAT_ASSERT assert
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#endif
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/* 64bit endian conversion macros */
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#if defined(__BIG_ENDIAN__)
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#define RGX_INT64_TO_BE(N) (N)
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#define RGX_INT64_FROM_BE(N) (N)
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#define RGX_INT32_TO_BE(N) (N)
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#define RGX_INT32_FROM_BE(N) (N)
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#else
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#define RGX_INT64_TO_BE(N) \
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((((N) >> 56) & 0xff) \
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| (((N) >> 40) & 0xff00) \
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| (((N) >> 24) & 0xff0000) \
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| (((N) >> 8) & 0xff000000U) \
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| ((N) << 56) \
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| (((N) & 0xff00) << 40) \
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| (((N) & 0xff0000) << 24) \
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| (((N) & 0xff000000U) << 8))
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#define RGX_INT64_FROM_BE(N) RGX_INT64_TO_BE(N)
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#define RGX_INT32_TO_BE(N) \
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((((N) >> 24) & 0xff) \
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| (((N) >> 8) & 0xff00) \
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| ((N) << 24) \
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| ((((N) & 0xff00) << 8)))
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#define RGX_INT32_FROM_BE(N) RGX_INT32_TO_BE(N)
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#endif
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/******************************************************************************
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* RGX Version packed into 64-bit (BVNC) to be used by Compatibility Check
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*****************************************************************************/
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#define RGX_BVNC_PACK_SHIFT_B 48
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#define RGX_BVNC_PACK_SHIFT_V 32
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#define RGX_BVNC_PACK_SHIFT_N 16
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#define RGX_BVNC_PACK_SHIFT_C 0
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#define RGX_BVNC_PACK_MASK_B (IMG_UINT64_C(0xFFFF000000000000))
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#define RGX_BVNC_PACK_MASK_V (IMG_UINT64_C(0x0000FFFF00000000))
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#define RGX_BVNC_PACK_MASK_N (IMG_UINT64_C(0x00000000FFFF0000))
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#define RGX_BVNC_PACK_MASK_C (IMG_UINT64_C(0x000000000000FFFF))
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#define RGX_BVNC_PACKED_EXTR_B(BVNC) ((IMG_UINT32)(((BVNC) & RGX_BVNC_PACK_MASK_B) >> RGX_BVNC_PACK_SHIFT_B))
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#define RGX_BVNC_PACKED_EXTR_V(BVNC) ((IMG_UINT32)(((BVNC) & RGX_BVNC_PACK_MASK_V) >> RGX_BVNC_PACK_SHIFT_V))
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#define RGX_BVNC_PACKED_EXTR_N(BVNC) ((IMG_UINT32)(((BVNC) & RGX_BVNC_PACK_MASK_N) >> RGX_BVNC_PACK_SHIFT_N))
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#define RGX_BVNC_PACKED_EXTR_C(BVNC) ((IMG_UINT32)(((BVNC) & RGX_BVNC_PACK_MASK_C) >> RGX_BVNC_PACK_SHIFT_C))
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#define RGX_BVNC_EQUAL(L,R,all,version,bvnc) do { \
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(bvnc) = IMG_FALSE; \
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(version) = ((L).ui32LayoutVersion == (R).ui32LayoutVersion); \
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if (version) \
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{ \
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(bvnc) = ((L).ui64BVNC == (R).ui64BVNC); \
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} \
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(all) = (version) && (bvnc); \
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} while (false)
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/**************************************************************************//**
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* Utility function for packing BVNC
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*****************************************************************************/
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static inline IMG_UINT64 rgx_bvnc_pack(IMG_UINT32 ui32B, IMG_UINT32 ui32V, IMG_UINT32 ui32N, IMG_UINT32 ui32C)
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{
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/*
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* Test for input B, V, N and C exceeding max bit width.
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*/
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PVR_COMPAT_ASSERT((ui32B & (~(RGX_BVNC_PACK_MASK_B >> RGX_BVNC_PACK_SHIFT_B))) == 0U);
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PVR_COMPAT_ASSERT((ui32V & (~(RGX_BVNC_PACK_MASK_V >> RGX_BVNC_PACK_SHIFT_V))) == 0U);
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PVR_COMPAT_ASSERT((ui32N & (~(RGX_BVNC_PACK_MASK_N >> RGX_BVNC_PACK_SHIFT_N))) == 0U);
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PVR_COMPAT_ASSERT((ui32C & (~(RGX_BVNC_PACK_MASK_C >> RGX_BVNC_PACK_SHIFT_C))) == 0U);
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return (((IMG_UINT64)ui32B << RGX_BVNC_PACK_SHIFT_B) |
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((IMG_UINT64)ui32V << RGX_BVNC_PACK_SHIFT_V) |
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((IMG_UINT64)ui32N << RGX_BVNC_PACK_SHIFT_N) |
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((IMG_UINT64)ui32C << RGX_BVNC_PACK_SHIFT_C));
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}
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#endif /* RGX_COMPAT_BVNC_H */
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/******************************************************************************
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End of file (rgx_compat_bvnc.h)
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******************************************************************************/
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