1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 /* 27 * This file defines interfaces consumed by the AGP kernel modules, 28 * and indirectly by the DRM system. Please consider everything in 29 * this file to be a "contract private interface", and keep in sync 30 * with the consumers in the "DRM" gate. 31 */ 32 33 #ifndef _GFX_PRIVATE_H 34 #define _GFX_PRIVATE_H 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 /* Memory cache attributes */ 41 #define GFXP_MEMORY_CACHED 0 42 #define GFXP_MEMORY_UNCACHED 1 43 #define GFXP_MEMORY_WRITECOMBINED 2 44 45 typedef uint64_t gfx_maddr_t; 46 47 extern int gfxp_ddi_segmap_setup(dev_t dev, off_t offset, struct as *as, 48 caddr_t *addrp, off_t len, uint_t prot, uint_t maxprot, uint_t flags, 49 cred_t *cred, ddi_device_acc_attr_t *accattrp, uint_t rnumber); 50 51 extern ddi_umem_cookie_t gfxp_umem_cookie_init(caddr_t kva, size_t size); 52 extern void gfxp_umem_cookie_destroy(ddi_umem_cookie_t cookie); 53 extern int gfxp_devmap_umem_setup(devmap_cookie_t dhc, dev_info_t *dip, 54 struct devmap_callback_ctl *callbackops, ddi_umem_cookie_t cookie, 55 offset_t off, size_t len, uint_t maxprot, uint_t flags, 56 ddi_device_acc_attr_t *accattrp); 57 extern void gfxp_map_devmem(devmap_cookie_t dhc, gfx_maddr_t maddr, 58 size_t length, ddi_device_acc_attr_t *attrp); 59 60 61 typedef char *gfxp_acc_handle_t; 62 extern gfxp_acc_handle_t gfxp_pci_init_handle(uint8_t bus, uint8_t slot, 63 uint8_t function, uint16_t *vendor, uint16_t *device); 64 extern uint8_t gfxp_pci_read_byte(gfxp_acc_handle_t handle, uint16_t offset); 65 extern uint16_t gfxp_pci_read_word(gfxp_acc_handle_t handle, uint16_t offset); 66 extern uint32_t gfxp_pci_read_dword(gfxp_acc_handle_t handle, uint16_t offset); 67 extern void gfxp_pci_write_byte(gfxp_acc_handle_t handle, uint16_t offset, 68 uint8_t value); 69 extern void gfxp_pci_write_word(gfxp_acc_handle_t handle, uint16_t offset, 70 uint16_t value); 71 extern void gfxp_pci_write_dword(gfxp_acc_handle_t handle, uint16_t offset, 72 uint32_t value); 73 extern int gfxp_pci_device_present(uint16_t vendor, uint16_t device); 74 75 typedef char *gfxp_kva_t; 76 extern gfxp_kva_t gfxp_map_kernel_space(uint64_t start, size_t size, 77 uint32_t mode); 78 extern void gfxp_unmap_kernel_space(gfxp_kva_t address, size_t size); 79 extern int gfxp_va2pa(struct as *as, caddr_t addr, uint64_t *pa); 80 extern void gfxp_fix_mem_cache_attrs(caddr_t kva_start, size_t length, 81 int cache_attr); 82 extern gfx_maddr_t gfxp_convert_addr(paddr_t paddr); 83 84 typedef char *gfxp_vgatext_softc_ptr_t; 85 86 extern gfxp_vgatext_softc_ptr_t gfxp_vgatext_softc_alloc(void); 87 extern void gfxp_vgatext_softc_free(gfxp_vgatext_softc_ptr_t ptr); 88 extern int gfxp_vgatext_attach(dev_info_t *devi, ddi_attach_cmd_t cmd, 89 gfxp_vgatext_softc_ptr_t ptr); 90 extern int gfxp_vgatext_detach(dev_info_t *devi, ddi_detach_cmd_t cmd, 91 gfxp_vgatext_softc_ptr_t ptr); 92 extern int gfxp_vgatext_open(dev_t *devp, int flag, int otyp, cred_t *cred, 93 gfxp_vgatext_softc_ptr_t ptr); 94 extern int gfxp_vgatext_close(dev_t devp, int flag, int otyp, cred_t *cred, 95 gfxp_vgatext_softc_ptr_t ptr); 96 extern int gfxp_vgatext_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 97 cred_t *cred, int *rval, gfxp_vgatext_softc_ptr_t ptr); 98 99 extern int gfxp_mlock_user_memory(caddr_t address, size_t length); 100 extern int gfxp_munlock_user_memory(caddr_t address, size_t length); 101 extern int gfxp_vgatext_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, 102 size_t len, size_t *maplen, uint_t model, void *ptr); 103 104 105 /* 106 * Updated "glue" for newer libdrm code. 107 * See: kernel/drm/src/drm_fb_helper.c 108 */ 109 110 /* Same as: gfxp_vgatext_softc_ptr_t; */ 111 typedef char *gfxp_fb_softc_ptr_t; 112 113 /* 114 * Used by drm_register_fbops(). 115 * Note: only setmode is supplied. 116 */ 117 struct gfxp_blt_ops { 118 int (*blt)(void *); 119 int (*copy) (void *); 120 int (*clear) (void *); 121 int (*setmode) (int); 122 }; 123 124 extern void gfxp_bm_register_fbops(gfxp_fb_softc_ptr_t, 125 struct gfxp_blt_ops *); 126 127 /* See: kernel/drm/src/drm_fb_helper.c */ 128 129 struct gfxp_bm_fb_info { 130 uint16_t xres; 131 uint16_t yres; 132 uint8_t bpp; 133 uint8_t depth; 134 }; 135 136 void gfxp_bm_getfb_info(gfxp_fb_softc_ptr_t, struct gfxp_bm_fb_info *); 137 138 /* See: kernel/drm/src/drm_bufs.c etc */ 139 140 caddr_t gfxp_alloc_kernel_space(size_t size); /* vmem_alloc heap_arena */ 141 void gfxp_free_kernel_space(caddr_t address, size_t size); 142 143 void gfxp_load_kernel_space(uint64_t start, size_t size, 144 uint32_t mode, caddr_t cvaddr); 145 void gfxp_unload_kernel_space(caddr_t address, size_t size); 146 147 /* 148 * Note that "mempool" is optional and normally disabled in drm_gem.c 149 * (see HAS_MEM_POOL). Let's just stub these out so we can reduce 150 * changes from the upstream in the DRM driver code. 151 */ 152 struct gfxp_pmem_cookie { 153 ulong_t a, b, c; 154 }; 155 void gfxp_mempool_init(void); 156 void gfxp_mempool_destroy(void); 157 int gfxp_alloc_from_mempool(struct gfxp_pmem_cookie *, caddr_t *, 158 pfn_t *, pgcnt_t, int); 159 void gfxp_free_mempool(struct gfxp_pmem_cookie *, caddr_t, size_t); 160 161 #ifdef __cplusplus 162 } 163 #endif 164 165 #endif /* _GFX_PRIVATE_H */ 166