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 41 /* 42 * Updated "glue" for newer libdrm code. 43 * See: kernel/drm/src/drm_fb_helper.c 44 */ 45 46 typedef char *gfxp_fb_softc_ptr_t; 47 48 /* Memory cache attributes */ 49 #define GFXP_MEMORY_CACHED 0 50 #define GFXP_MEMORY_UNCACHED 1 51 #define GFXP_MEMORY_WRITECOMBINED 2 52 53 enum gfxp_type { 54 GFXP_BITMAP, 55 GFXP_VGATEXT 56 }; 57 58 typedef uint64_t gfx_maddr_t; 59 typedef char *gfxp_acc_handle_t; 60 61 extern int gfxp_ddi_segmap_setup(dev_t dev, off_t offset, struct as *as, 62 caddr_t *addrp, off_t len, uint_t prot, uint_t maxprot, uint_t flags, 63 cred_t *cred, ddi_device_acc_attr_t *accattrp, uint_t rnumber); 64 65 extern ddi_umem_cookie_t gfxp_umem_cookie_init(caddr_t kva, size_t size); 66 extern void gfxp_umem_cookie_destroy(ddi_umem_cookie_t cookie); 67 extern int gfxp_devmap_umem_setup(devmap_cookie_t dhc, dev_info_t *dip, 68 struct devmap_callback_ctl *callbackops, ddi_umem_cookie_t cookie, 69 offset_t off, size_t len, uint_t maxprot, uint_t flags, 70 ddi_device_acc_attr_t *accattrp); 71 extern void gfxp_map_devmem(devmap_cookie_t dhc, gfx_maddr_t maddr, 72 size_t length, ddi_device_acc_attr_t *attrp); 73 74 extern gfxp_acc_handle_t gfxp_pci_init_handle(uint8_t bus, uint8_t slot, 75 uint8_t function, uint16_t *vendor, uint16_t *device); 76 extern uint8_t gfxp_pci_read_byte(gfxp_acc_handle_t handle, uint16_t offset); 77 extern uint16_t gfxp_pci_read_word(gfxp_acc_handle_t handle, uint16_t offset); 78 extern uint32_t gfxp_pci_read_dword(gfxp_acc_handle_t handle, uint16_t offset); 79 extern void gfxp_pci_write_byte(gfxp_acc_handle_t handle, uint16_t offset, 80 uint8_t value); 81 extern void gfxp_pci_write_word(gfxp_acc_handle_t handle, uint16_t offset, 82 uint16_t value); 83 extern void gfxp_pci_write_dword(gfxp_acc_handle_t handle, uint16_t offset, 84 uint32_t value); 85 extern int gfxp_pci_device_present(uint16_t vendor, uint16_t device); 86 87 typedef char *gfxp_kva_t; 88 extern gfxp_kva_t gfxp_map_kernel_space(uint64_t start, size_t size, 89 uint32_t mode); 90 extern void gfxp_unmap_kernel_space(gfxp_kva_t address, size_t size); 91 extern int gfxp_va2pa(struct as *as, caddr_t addr, uint64_t *pa); 92 extern void gfxp_fix_mem_cache_attrs(caddr_t kva_start, size_t length, 93 int cache_attr); 94 extern gfx_maddr_t gfxp_convert_addr(paddr_t paddr); 95 96 extern gfxp_fb_softc_ptr_t gfxp_fb_softc_alloc(void); 97 extern void gfxp_fb_softc_free(gfxp_fb_softc_ptr_t ptr); 98 extern int gfxp_fb_attach(dev_info_t *devi, ddi_attach_cmd_t cmd, 99 gfxp_fb_softc_ptr_t ptr); 100 extern int gfxp_fb_detach(dev_info_t *devi, ddi_detach_cmd_t cmd, 101 gfxp_fb_softc_ptr_t ptr); 102 extern int gfxp_fb_open(dev_t *devp, int flag, int otyp, cred_t *cred, 103 gfxp_fb_softc_ptr_t ptr); 104 extern int gfxp_fb_close(dev_t devp, int flag, int otyp, cred_t *cred, 105 gfxp_fb_softc_ptr_t ptr); 106 extern int gfxp_fb_ioctl(dev_t dev, int cmd, intptr_t data, int mode, 107 cred_t *cred, int *rval, gfxp_fb_softc_ptr_t ptr); 108 109 extern int gfxp_mlock_user_memory(caddr_t address, size_t length); 110 extern int gfxp_munlock_user_memory(caddr_t address, size_t length); 111 extern int gfxp_fb_devmap(dev_t dev, devmap_cookie_t dhp, offset_t off, 112 size_t len, size_t *maplen, uint_t model, void *ptr); 113 114 /* 115 * Used by drm_register_fbops(). 116 * Note: only setmode is supplied. 117 */ 118 struct gfxp_blt_ops { 119 int (*blt)(void *); 120 int (*copy) (void *); 121 int (*clear) (void *); 122 int (*setmode) (int); 123 }; 124 125 extern void gfxp_bm_register_fbops(gfxp_fb_softc_ptr_t, 126 struct gfxp_blt_ops *); 127 128 /* See: kernel/drm/src/drm_fb_helper.c */ 129 130 struct gfxp_bm_fb_info { 131 uint16_t xres; 132 uint16_t yres; 133 uint8_t bpp; 134 uint8_t depth; 135 }; 136 137 void gfxp_bm_getfb_info(gfxp_fb_softc_ptr_t, struct gfxp_bm_fb_info *); 138 139 /* See: kernel/drm/src/drm_bufs.c etc */ 140 141 caddr_t gfxp_alloc_kernel_space(size_t size); /* vmem_alloc heap_arena */ 142 void gfxp_free_kernel_space(caddr_t address, size_t size); 143 144 void gfxp_load_kernel_space(uint64_t start, size_t size, 145 uint32_t mode, caddr_t cvaddr); 146 void gfxp_unload_kernel_space(caddr_t address, size_t size); 147 148 /* 149 * Note that "mempool" is optional and normally disabled in drm_gem.c 150 * (see HAS_MEM_POOL). Let's just stub these out so we can reduce 151 * changes from the upstream in the DRM driver code. 152 */ 153 struct gfxp_pmem_cookie { 154 ulong_t a, b, c; 155 }; 156 void gfxp_mempool_init(void); 157 void gfxp_mempool_destroy(void); 158 int gfxp_alloc_from_mempool(struct gfxp_pmem_cookie *, caddr_t *, 159 pfn_t *, pgcnt_t, int); 160 void gfxp_free_mempool(struct gfxp_pmem_cookie *, caddr_t, size_t); 161 162 #ifdef __cplusplus 163 } 164 #endif 165 166 #endif /* _GFX_PRIVATE_H */ 167