/* * Copyright © 2009 Corbin Simpson * All Rights Reserved. * * 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, sub license, 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 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 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS * AND/OR ITS SUPPLIERS 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. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. */ /* * Authors: * Corbin Simpson * Joakim Sindholt */ #include "radeon_winsys.h" #include "radeon_drm_buffer.h" #include "radeon_drm_cs.h" #include "radeon_drm_public.h" #include "pipebuffer/pb_bufmgr.h" #include "util/u_memory.h" #include #include #include #include #include #ifndef RADEON_INFO_WANT_HYPERZ #define RADEON_INFO_WANT_HYPERZ 7 #endif #ifndef RADEON_INFO_WANT_CMASK #define RADEON_INFO_WANT_CMASK 8 #endif /* Enable/disable feature access. Return TRUE on success. */ static boolean radeon_set_fd_access(int fd, unsigned request, boolean enable) { struct drm_radeon_info info = {0}; unsigned value = enable ? 1 : 0; info.value = (unsigned long)&value; info.request = request; if (drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)) != 0) return FALSE; if (enable && !value) return FALSE; return TRUE; } /* Helper function to do the ioctls needed for setup and init. */ static void do_ioctls(struct radeon_drm_winsys *winsys) { struct drm_radeon_gem_info gem_info = {0}; struct drm_radeon_info info = {0}; int target = 0; int retval; drmVersionPtr version; info.value = (unsigned long)⌖ /* We do things in a specific order here. * * DRM version first. We need to be sure we're running on a KMS chipset. * This is also for some features. * * Then, the PCI ID. This is essential and should return usable numbers * for all Radeons. If this fails, we probably got handed an FD for some * non-Radeon card. * * The GB and Z pipe requests should always succeed, but they might not * return sensical values for all chipsets, but that's alright because * the pipe drivers already know that. * * The GEM info is actually bogus on the kernel side, as well as our side * (see radeon_gem_info_ioctl in radeon_gem.c) but that's alright because * we don't actually use the info for anything yet. */ version = drmGetVersion(winsys->fd); if (version->version_major != 2) { fprintf(stderr, "%s: DRM version is %d.%d.%d but this driver is " "only compatible with 2.x.x\n", __FUNCTION__, version->version_major, version->version_minor, version->version_patchlevel); drmFreeVersion(version); exit(1); } winsys->drm_major = version->version_major; winsys->drm_minor = version->version_minor; winsys->drm_patchlevel = version->version_patchlevel; info.request = RADEON_INFO_DEVICE_ID; retval = drmCommandWriteRead(winsys->fd, DRM_RADEON_INFO, &info, sizeof(info)); if (retval) { fprintf(stderr, "%s: Failed to get PCI ID, " "error number %d\n", __FUNCTION__, retval); exit(1); } winsys->pci_id = target; info.request = RADEON_INFO_NUM_GB_PIPES; retval = drmCommandWriteRead(winsys->fd, DRM_RADEON_INFO, &info, sizeof(info)); if (retval) { fprintf(stderr, "%s: Failed to get GB pipe count, " "error number %d\n", __FUNCTION__, retval); exit(1); } winsys->gb_pipes = target; info.request = RADEON_INFO_NUM_Z_PIPES; retval = drmCommandWriteRead(winsys->fd, DRM_RADEON_INFO, &info, sizeof(info)); if (retval) { fprintf(stderr, "%s: Failed to get Z pipe count, " "error number %d\n", __FUNCTION__, retval); exit(1); } winsys->z_pipes = target; if (debug_get_bool_option("RADEON_HYPERZ", FALSE)) { winsys->hyperz = radeon_set_fd_access(winsys->fd, RADEON_INFO_WANT_HYPERZ, TRUE); } if (debug_get_bool_option("RADEON_CMASK", FALSE)) { winsys->aacompress = radeon_set_fd_access(winsys->fd, RADEON_INFO_WANT_CMASK, TRUE); } retval = drmCommandWriteRead(winsys->fd, DRM_RADEON_GEM_INFO, &gem_info, sizeof(gem_info)); if (retval) { fprintf(stderr, "%s: Failed to get MM info, error number %d\n", __FUNCTION__, retval); exit(1); } winsys->gart_size = gem_info.gart_size; winsys->vram_size = gem_info.vram_size; drmFreeVersion(version); } static void radeon_winsys_destroy(struct r300_winsys_screen *rws) { struct radeon_drm_winsys *ws = (struct radeon_drm_winsys*)rws; ws->cman->destroy(ws->cman); ws->kman->destroy(ws->kman); radeon_bo_manager_gem_dtor(ws->bom); FREE(rws); } struct r300_winsys_screen *r300_drm_winsys_screen_create(int fd) { struct radeon_drm_winsys *ws = CALLOC_STRUCT(radeon_drm_winsys); if (!ws) { return NULL; } ws->fd = fd; do_ioctls(ws); if (!is_r3xx(ws->pci_id)) { goto fail; } /* Create managers. */ ws->bom = radeon_bo_manager_gem_ctor(fd); if (!ws->bom) goto fail; ws->kman = radeon_drm_bufmgr_create(ws); if (!ws->kman) goto fail; ws->cman = pb_cache_manager_create(ws->kman, 1000000); if (!ws->cman) goto fail; /* Set functions. */ ws->base.destroy = radeon_winsys_destroy; radeon_drm_bufmgr_init_functions(ws); radeon_drm_cs_init_functions(ws); radeon_winsys_init_functions(ws); return &ws->base; fail: if (ws->bom) radeon_bo_manager_gem_dtor(ws->bom); if (ws->cman) ws->cman->destroy(ws->cman); if (ws->kman) ws->kman->destroy(ws->kman); FREE(ws); return NULL; }