| /*************************************************************************/ /*! |
| @File device_connection.h |
| @Title |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description |
| @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(__DEVICE_CONNECTION_H__) |
| #define __DEVICE_CONNECTION_H__ |
| |
| #include "img_types.h" |
| #include "img_defs.h" |
| |
| #if defined(__KERNEL__) |
| typedef struct _PVRSRV_DEVICE_NODE_ *SHARED_DEV_CONNECTION; |
| #else |
| #include "connection.h" |
| typedef const struct _PVRSRV_DEV_CONNECTION_ *SHARED_DEV_CONNECTION; |
| #endif |
| |
| /****************************************************************************** |
| * Device capability flags and masks |
| * |
| * Following bitmask shows allocated ranges and values for our device |
| * capability settings: |
| * |
| * 31 27 23 19 15 11 7 3 0 |
| * |...|...|...|...|...|...|...|... |
| * ** CACHE_COHERENT [0x1..0x2] |
| * x PVRSRV_CACHE_COHERENT_DEVICE_FLAG |
| * x. PVRSRV_CACHE_COHERENT_CPU_FLAG |
| * *... NONMAPPABLE_MEMORY [0x8] |
| * x... PVRSRV_NONMAPPABLE_MEMORY_PRESENT_FLAG |
| * *.... PDUMP_IS_RECORDING [0x10] |
| * x.... PVRSRV_PDUMP_IS_RECORDING |
| * ***........ DEVMEM_SVM_ALLOC [0x100..0x400] |
| * x........ PVRSRV_DEVMEM_SVM_ALLOC_UNSUPPORTED |
| * x......... PVRSRV_DEVMEM_SVM_ALLOC_SUPPORTED |
| * x.......... PVRSRV_DEVMEM_SVM_ALLOC_CANFAIL |
| * *........... FBCDC_V3_1 [0x800] |
| * x........... FBCDC_V3_1_USED |
| * |...|...|...|...|...|...|...|... |
| *****************************************************************************/ |
| |
| /* Flag to be passed over the bridge during connection stating whether CPU cache coherent is available*/ |
| #define PVRSRV_CACHE_COHERENT_SHIFT (0) |
| #define PVRSRV_CACHE_COHERENT_DEVICE_FLAG (1U << PVRSRV_CACHE_COHERENT_SHIFT) |
| #define PVRSRV_CACHE_COHERENT_CPU_FLAG (2U << PVRSRV_CACHE_COHERENT_SHIFT) |
| #define PVRSRV_CACHE_COHERENT_EMULATE_FLAG (4U << PVRSRV_CACHE_COHERENT_SHIFT) |
| #define PVRSRV_CACHE_COHERENT_MASK (7U << PVRSRV_CACHE_COHERENT_SHIFT) |
| |
| /* Flag to be passed over the bridge during connection stating whether CPU non-mappable memory is present */ |
| #define PVRSRV_NONMAPPABLE_MEMORY_PRESENT_SHIFT (7) |
| #define PVRSRV_NONMAPPABLE_MEMORY_PRESENT_FLAG (1U << PVRSRV_NONMAPPABLE_MEMORY_PRESENT_SHIFT) |
| |
| /* Flag to be passed over the bridge during connection stating SVM allocation availability */ |
| #define PVRSRV_DEVMEM_SVM_ALLOC_SHIFT (8) |
| #define PVRSRV_DEVMEM_SVM_ALLOC_UNSUPPORTED (1U << PVRSRV_DEVMEM_SVM_ALLOC_SHIFT) |
| #define PVRSRV_DEVMEM_SVM_ALLOC_SUPPORTED (2U << PVRSRV_DEVMEM_SVM_ALLOC_SHIFT) |
| #define PVRSRV_DEVMEM_SVM_ALLOC_CANFAIL (4U << PVRSRV_DEVMEM_SVM_ALLOC_SHIFT) |
| |
| #define PVRSRV_PDUMP_IS_RECORDING_SHIFT (4) |
| #define PVRSRV_PDUMP_IS_RECORDING (1U << PVRSRV_PDUMP_IS_RECORDING_SHIFT) |
| |
| /* Flag to be passed over the bridge during connection stating whether GPU uses FBCDC v3.1 */ |
| #define PVRSRV_FBCDC_V3_1_USED_SHIFT (11) |
| #define PVRSRV_FBCDC_V3_1_USED (1U << PVRSRV_FBCDC_V3_1_USED_SHIFT) |
| |
| static INLINE IMG_HANDLE GetBridgeHandle(SHARED_DEV_CONNECTION hDevConnection) |
| { |
| #if defined(__KERNEL__) |
| return hDevConnection; |
| #else |
| return hDevConnection->hServices; |
| #endif |
| } |
| |
| |
| #endif /* !defined(__DEVICE_CONNECTION_H__) */ |