1 /* 2 * Copyright (c) 2007-2024 Broadcom. All Rights Reserved. 3 * The term “Broadcom” refers to Broadcom Inc. 4 * and/or its subsidiaries. 5 * SPDX-License-Identifier: GPL-2.0 OR MIT 6 */ 7 8 /* 9 * svga3d_caps.h -- 10 * 11 * Definitions for SVGA3D hardware capabilities. Capabilities 12 * are used to query for optional rendering features during 13 * driver initialization. The capability data is stored as very 14 * basic key/value dictionary within the "FIFO register" memory 15 * area at the beginning of BAR2. 16 * 17 * Note that these definitions are only for 3D capabilities. 18 * The SVGA device also has "device capabilities" and "FIFO 19 * capabilities", which are non-3D-specific and are stored as 20 * bitfields rather than key/value pairs. 21 */ 22 23 #ifndef _SVGA3D_CAPS_H_ 24 #define _SVGA3D_CAPS_H_ 25 26 #define INCLUDE_ALLOW_MODULE 27 #define INCLUDE_ALLOW_USERLEVEL 28 29 #include "includeCheck.h" 30 31 #include <string.h> 32 #include "svga_reg.h" 33 34 #define SVGA_FIFO_3D_CAPS_SIZE (SVGA_FIFO_3D_CAPS_LAST - \ 35 SVGA_FIFO_3D_CAPS + 1) 36 37 38 /* 39 * SVGA3dCapsRecordType 40 * 41 * Record types that can be found in the caps block. 42 * Related record types are grouped together numerically so that 43 * SVGA3dCaps_FindRecord() can be applied on a range of record 44 * types. 45 */ 46 47 typedef enum { 48 SVGA3DCAPS_RECORD_UNKNOWN = 0, 49 SVGA3DCAPS_RECORD_DEVCAPS_MIN = 0x100, 50 SVGA3DCAPS_RECORD_DEVCAPS = 0x100, 51 SVGA3DCAPS_RECORD_DEVCAPS_MAX = 0x1ff, 52 } SVGA3dCapsRecordType; 53 54 55 /* 56 * SVGA3dCapsRecordHeader 57 * 58 * Header field leading each caps block record. Contains the offset (in 59 * register words, NOT bytes) to the next caps block record (or the end 60 * of caps block records which will be a zero word) and the record type 61 * as defined above. 62 */ 63 64 typedef 65 #include "vmware_pack_begin.h" 66 struct SVGA3dCapsRecordHeader { 67 uint32 length; 68 SVGA3dCapsRecordType type; 69 } 70 #include "vmware_pack_end.h" 71 SVGA3dCapsRecordHeader; 72 73 74 /* 75 * SVGA3dCapsRecord 76 * 77 * Caps block record; "data" is a placeholder for the actual data structure 78 * contained within the record; for example a record containing a FOOBAR 79 * structure would be of size "sizeof(SVGA3dCapsRecordHeader) + 80 * sizeof(FOOBAR)". 81 */ 82 83 typedef 84 #include "vmware_pack_begin.h" 85 struct SVGA3dCapsRecord { 86 SVGA3dCapsRecordHeader header; 87 uint32 data[1]; 88 } 89 #include "vmware_pack_end.h" 90 SVGA3dCapsRecord; 91 92 93 typedef uint32 SVGA3dCapPair[2]; 94 95 96 #endif 97