| /*************************************************************************/ /*! |
| @File rgx_compat_bvnc.h |
| @Title BVNC compatibility check utilities |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Utility functions used for packing BNC and V. |
| @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. |
| */ /**************************************************************************/ |
| |
| #if !defined (RGX_COMPAT_BVNC_H) |
| #define RGX_COMPAT_BVNC_H |
| |
| #include "img_types.h" |
| |
| #if defined(RGX_FIRMWARE) /* Services firmware */ |
| # include "rgxfw_utils.h" |
| # define PVR_COMPAT_ASSERT RGXFW_ASSERT |
| #elif !defined(RGX_BUILD_BINARY) /* Services host driver code */ |
| # include "pvr_debug.h" |
| # define PVR_COMPAT_ASSERT PVR_ASSERT |
| #else /* FW user-mode tools */ |
| # include <assert.h> |
| # define PVR_COMPAT_ASSERT assert |
| #endif |
| |
| /* 64bit endian conversion macros */ |
| #if defined(__BIG_ENDIAN__) |
| #define RGX_INT64_TO_BE(N) (N) |
| #define RGX_INT64_FROM_BE(N) (N) |
| #define RGX_INT32_TO_BE(N) (N) |
| #define RGX_INT32_FROM_BE(N) (N) |
| #else |
| #define RGX_INT64_TO_BE(N) \ |
| ((((N) >> 56) & 0xff) \ |
| | (((N) >> 40) & 0xff00) \ |
| | (((N) >> 24) & 0xff0000) \ |
| | (((N) >> 8) & 0xff000000U) \ |
| | ((N) << 56) \ |
| | (((N) & 0xff00) << 40) \ |
| | (((N) & 0xff0000) << 24) \ |
| | (((N) & 0xff000000U) << 8)) |
| #define RGX_INT64_FROM_BE(N) RGX_INT64_TO_BE(N) |
| |
| #define RGX_INT32_TO_BE(N) \ |
| ((((N) >> 24) & 0xff) \ |
| | (((N) >> 8) & 0xff00) \ |
| | ((N) << 24) \ |
| | (((N & 0xff00) << 8))) |
| #define RGX_INT32_FROM_BE(N) RGX_INT32_TO_BE(N) |
| #endif |
| |
| /****************************************************************************** |
| * RGX Version packed into 64-bit (BVNC) to be used by Compatibility Check |
| *****************************************************************************/ |
| |
| #define RGX_BVNC_PACK_SHIFT_B 48 |
| #define RGX_BVNC_PACK_SHIFT_V 32 |
| #define RGX_BVNC_PACK_SHIFT_N 16 |
| #define RGX_BVNC_PACK_SHIFT_C 0 |
| |
| #define RGX_BVNC_PACK_MASK_B (IMG_UINT64_C(0xFFFF000000000000)) |
| #define RGX_BVNC_PACK_MASK_V (IMG_UINT64_C(0x0000FFFF00000000)) |
| #define RGX_BVNC_PACK_MASK_N (IMG_UINT64_C(0x00000000FFFF0000)) |
| #define RGX_BVNC_PACK_MASK_C (IMG_UINT64_C(0x000000000000FFFF)) |
| |
| #define RGX_BVNC_PACKED_EXTR_B(BVNC) ((IMG_UINT32)(((BVNC).ui64BVNC & RGX_BVNC_PACK_MASK_B) >> RGX_BVNC_PACK_SHIFT_B)) |
| #define RGX_BVNC_PACKED_EXTR_V(BVNC) ((IMG_UINT32)(((BVNC).ui64BVNC & RGX_BVNC_PACK_MASK_V) >> RGX_BVNC_PACK_SHIFT_V)) |
| #define RGX_BVNC_PACKED_EXTR_N(BVNC) ((IMG_UINT32)(((BVNC).ui64BVNC & RGX_BVNC_PACK_MASK_N) >> RGX_BVNC_PACK_SHIFT_N)) |
| #define RGX_BVNC_PACKED_EXTR_C(BVNC) ((IMG_UINT32)(((BVNC).ui64BVNC & RGX_BVNC_PACK_MASK_C) >> RGX_BVNC_PACK_SHIFT_C)) |
| |
| #define RGX_BVNC_EQUAL(L,R,all,version,bvnc) do { \ |
| (bvnc) = IMG_FALSE; \ |
| (version) = ((L).ui32LayoutVersion == (R).ui32LayoutVersion); \ |
| if (version) \ |
| { \ |
| (bvnc) = ((L).ui64BVNC == (R).ui64BVNC); \ |
| } \ |
| (all) = (version) && (bvnc); \ |
| } while (0) |
| |
| |
| /**************************************************************************//** |
| * Utility function for packing BVNC |
| *****************************************************************************/ |
| static inline IMG_UINT64 rgx_bvnc_pack(IMG_UINT32 ui32B, IMG_UINT32 ui32V, IMG_UINT32 ui32N, IMG_UINT32 ui32C) |
| { |
| /* |
| * Test for input B, V, N and C exceeding max bit width. |
| */ |
| PVR_COMPAT_ASSERT((ui32B & (~(RGX_BVNC_PACK_MASK_B >> RGX_BVNC_PACK_SHIFT_B))) == 0); |
| PVR_COMPAT_ASSERT((ui32V & (~(RGX_BVNC_PACK_MASK_V >> RGX_BVNC_PACK_SHIFT_V))) == 0); |
| PVR_COMPAT_ASSERT((ui32N & (~(RGX_BVNC_PACK_MASK_N >> RGX_BVNC_PACK_SHIFT_N))) == 0); |
| PVR_COMPAT_ASSERT((ui32C & (~(RGX_BVNC_PACK_MASK_C >> RGX_BVNC_PACK_SHIFT_C))) == 0); |
| |
| return (((IMG_UINT64)ui32B << RGX_BVNC_PACK_SHIFT_B) | |
| ((IMG_UINT64)ui32V << RGX_BVNC_PACK_SHIFT_V) | |
| ((IMG_UINT64)ui32N << RGX_BVNC_PACK_SHIFT_N) | |
| ((IMG_UINT64)ui32C << RGX_BVNC_PACK_SHIFT_C)); |
| } |
| |
| |
| #endif /* RGX_COMPAT_BVNC_H */ |
| |
| /****************************************************************************** |
| End of file (rgx_compat_bvnc.h) |
| ******************************************************************************/ |