1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 3*0Sstevel@tonic-gate * Use is subject to license terms. 4*0Sstevel@tonic-gate */ 5*0Sstevel@tonic-gate 6*0Sstevel@tonic-gate /* 7*0Sstevel@tonic-gate * Copyright (c) 2000 Doug Rabson 8*0Sstevel@tonic-gate * All rights reserved. 9*0Sstevel@tonic-gate * 10*0Sstevel@tonic-gate * Redistribution and use in source and binary forms, with or without 11*0Sstevel@tonic-gate * modification, are permitted provided that the following conditions 12*0Sstevel@tonic-gate * are met: 13*0Sstevel@tonic-gate * 1. Redistributions of source code must retain the above copyright 14*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer. 15*0Sstevel@tonic-gate * 2. Redistributions in binary form must reproduce the above copyright 16*0Sstevel@tonic-gate * notice, this list of conditions and the following disclaimer in the 17*0Sstevel@tonic-gate * documentation and/or other materials provided with the distribution. 18*0Sstevel@tonic-gate * 19*0Sstevel@tonic-gate * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 20*0Sstevel@tonic-gate * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21*0Sstevel@tonic-gate * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22*0Sstevel@tonic-gate * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 23*0Sstevel@tonic-gate * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24*0Sstevel@tonic-gate * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25*0Sstevel@tonic-gate * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26*0Sstevel@tonic-gate * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27*0Sstevel@tonic-gate * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28*0Sstevel@tonic-gate * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29*0Sstevel@tonic-gate * SUCH DAMAGE. 30*0Sstevel@tonic-gate * 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #ifndef _SYS_AGPGART_H 34*0Sstevel@tonic-gate #define _SYS_AGPGART_H 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate #ifdef __cplusplus 39*0Sstevel@tonic-gate extern "C" { 40*0Sstevel@tonic-gate #endif 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate #define AGP_NORMAL 0 /* mapped to user land, no cache */ 43*0Sstevel@tonic-gate 44*0Sstevel@tonic-gate typedef struct _agp_version { 45*0Sstevel@tonic-gate uint16_t agpv_major; 46*0Sstevel@tonic-gate uint16_t agpv_minor; 47*0Sstevel@tonic-gate } agp_version_t; 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate typedef struct _agp_info { 51*0Sstevel@tonic-gate agp_version_t agpi_version; 52*0Sstevel@tonic-gate uint32_t agpi_devid; /* bridge vendor + device */ 53*0Sstevel@tonic-gate uint32_t agpi_mode; /* mode of brdige */ 54*0Sstevel@tonic-gate ulong_t agpi_aperbase; /* base of aperture */ 55*0Sstevel@tonic-gate size_t agpi_apersize; /* aperture range size */ 56*0Sstevel@tonic-gate uint32_t agpi_pgtotal; /* max number of pages in aperture */ 57*0Sstevel@tonic-gate uint32_t agpi_pgsystem; /* same as pg_total */ 58*0Sstevel@tonic-gate uint32_t agpi_pgused; /* NUMBER of currently used pages */ 59*0Sstevel@tonic-gate } agp_info_t; 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate typedef struct _agp_setup { 62*0Sstevel@tonic-gate uint32_t agps_mode; 63*0Sstevel@tonic-gate } agp_setup_t; 64*0Sstevel@tonic-gate 65*0Sstevel@tonic-gate typedef struct _agp_allocate { 66*0Sstevel@tonic-gate int32_t agpa_key; 67*0Sstevel@tonic-gate uint32_t agpa_pgcount; 68*0Sstevel@tonic-gate uint32_t agpa_type; 69*0Sstevel@tonic-gate uint32_t agpa_physical; /* for i810 only, private */ 70*0Sstevel@tonic-gate } agp_allocate_t; 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate typedef struct _agp_bind { 73*0Sstevel@tonic-gate int32_t agpb_key; 74*0Sstevel@tonic-gate uint32_t agpb_pgstart; 75*0Sstevel@tonic-gate } agp_bind_t; 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate typedef struct _agp_unbind { 78*0Sstevel@tonic-gate int32_t agpu_key; 79*0Sstevel@tonic-gate uint32_t agpu_pri; /* no use in solaris */ 80*0Sstevel@tonic-gate } agp_unbind_t; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate #define AGPIOC_BASE 'G' 83*0Sstevel@tonic-gate #define AGPIOC_INFO _IOR(AGPIOC_BASE, 0, 100) 84*0Sstevel@tonic-gate #define AGPIOC_ACQUIRE _IO(AGPIOC_BASE, 1) 85*0Sstevel@tonic-gate #define AGPIOC_RELEASE _IO(AGPIOC_BASE, 2) 86*0Sstevel@tonic-gate #define AGPIOC_SETUP _IOW(AGPIOC_BASE, 3, agp_setup_t) 87*0Sstevel@tonic-gate #define AGPIOC_ALLOCATE _IOWR(AGPIOC_BASE, 4, agp_allocate_t) 88*0Sstevel@tonic-gate #define AGPIOC_DEALLOCATE _IOW(AGPIOC_BASE, 5, int) 89*0Sstevel@tonic-gate #define AGPIOC_BIND _IOW(AGPIOC_BASE, 6, agp_bind_t) 90*0Sstevel@tonic-gate #define AGPIOC_UNBIND _IOW(AGPIOC_BASE, 7, agp_unbind_t) 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate /* AGP status register bits definition */ 93*0Sstevel@tonic-gate #define AGPSTAT_RQ_MASK 0xff000000 /* target only */ 94*0Sstevel@tonic-gate #define AGPSTAT_SBA (0x1 << 9) /* always 1 for 3.0 */ 95*0Sstevel@tonic-gate #define AGPSTAT_OVER4G (0x1 << 5) 96*0Sstevel@tonic-gate #define AGPSTAT_FW (0x1 << 4) 97*0Sstevel@tonic-gate #define AGPSTAT_RATE_MASK 0x7 98*0Sstevel@tonic-gate /* rate for 2.0 mode */ 99*0Sstevel@tonic-gate #define AGP2_RATE_1X 0x1 100*0Sstevel@tonic-gate #define AGP2_RATE_2X 0x2 101*0Sstevel@tonic-gate #define AGP2_RATE_4X 0x4 102*0Sstevel@tonic-gate /* AGP 3.0 only bits */ 103*0Sstevel@tonic-gate #define AGPSTAT_ARQSZ_MASK (0x7 << 13) /* target only */ 104*0Sstevel@tonic-gate #define AGPSTAT_CAL_MASK (0x7 << 10) 105*0Sstevel@tonic-gate #define AGPSTAT_GART64B (0x1 << 7) /* target only */ 106*0Sstevel@tonic-gate #define AGPSTAT_MODE3 (0x1 << 3) 107*0Sstevel@tonic-gate /* Rate for 3.0 mode */ 108*0Sstevel@tonic-gate #define AGP3_RATE_4X 0x1 109*0Sstevel@tonic-gate #define AGP3_RATE_8X 0x2 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate /* AGP command register bits definition */ 112*0Sstevel@tonic-gate #define AGPCMD_RQ_MASK 0xff000000 /* master only */ 113*0Sstevel@tonic-gate #define AGPCMD_SBAEN (0x1 << 9) /* must be 1 for 3.0 */ 114*0Sstevel@tonic-gate #define AGPCMD_AGPEN (0x1 << 8) 115*0Sstevel@tonic-gate #define AGPCMD_OVER4GEN (0x1 << 5) 116*0Sstevel@tonic-gate #define AGPCMD_FWEN (0x1 << 4) 117*0Sstevel@tonic-gate #define AGPCMD_RATE_MASK 0x7 118*0Sstevel@tonic-gate /* AGP 3.0 only bits */ 119*0Sstevel@tonic-gate #define AGP3_CMD_ARQSZ_MASK (0x7 << 13) /* master only */ 120*0Sstevel@tonic-gate #define AGP3_CMD_CAL_MASK (0x7 << 10) /* target only */ 121*0Sstevel@tonic-gate #define AGP3_CMD_GART64BEN (0x1 << 7) /* target only */ 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate #define AGP_DEVICE "/dev/agpgart" 124*0Sstevel@tonic-gate 125*0Sstevel@tonic-gate #ifdef __cplusplus 126*0Sstevel@tonic-gate } 127*0Sstevel@tonic-gate #endif 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate #endif /* _SYS_AGPGART_H */ 130