diff options
Diffstat (limited to 'src/gallium/winsys/drm/r600/core/radeon.c')
| -rw-r--r-- | src/gallium/winsys/drm/r600/core/radeon.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/gallium/winsys/drm/r600/core/radeon.c b/src/gallium/winsys/drm/r600/core/radeon.c new file mode 100644 index 00000000000..f2113c5807e --- /dev/null +++ b/src/gallium/winsys/drm/r600/core/radeon.c @@ -0,0 +1,195 @@ +/* + * Copyright © 2009 Jerome Glisse <glisse@freedesktop.org> + * + * This file is free software; you can redistribute it and/or modify + * it under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <unistd.h> +#include <string.h> +#include <errno.h> +#include "xf86drm.h" +#include "radeon_priv.h" +#include "radeon_drm.h" +#include "r600d.h" + +static int radeon_get_device(struct radeon *radeon) +{ + struct drm_radeon_info info; + int r; + + radeon->device = 0; + info.request = RADEON_INFO_DEVICE_ID; + info.value = (uintptr_t)&radeon->device; + r = drmCommandWriteRead(radeon->fd, DRM_RADEON_INFO, &info, + sizeof(struct drm_radeon_info)); + return r; +} + +/* symbol missing drove me crazy hack to get symbol exported */ +static void fake(void) +{ + struct radeon_ctx *ctx; + struct radeon_draw *draw; + + ctx = radeon_ctx(NULL); + draw = radeon_draw(NULL); +} + +struct radeon *radeon_new(int fd, unsigned device) +{ + struct radeon *radeon; + int r; + + radeon = calloc(1, sizeof(*radeon)); + if (radeon == NULL) { + fake(); + return NULL; + } + radeon->fd = fd; + radeon->device = device; + radeon->refcount = 1; + if (fd >= 0) { + r = radeon_get_device(radeon); + if (r) { + fprintf(stderr, "Failed to get device id\n"); + return radeon_decref(radeon); + } + } + radeon->family = radeon_family_from_device(radeon->device); + if (radeon->family == CHIP_UNKNOWN) { + fprintf(stderr, "Unknown chipset 0x%04X\n", radeon->device); + return radeon_decref(radeon); + } + switch (radeon->family) { + case CHIP_R600: + case CHIP_RV610: + case CHIP_RV630: + case CHIP_RV670: + case CHIP_RV620: + case CHIP_RV635: + case CHIP_RS780: + case CHIP_RS880: + case CHIP_RV770: + case CHIP_RV730: + case CHIP_RV710: + case CHIP_RV740: + if (r600_init(radeon)) { + return radeon_decref(radeon); + } + break; + case CHIP_R100: + case CHIP_RV100: + case CHIP_RS100: + case CHIP_RV200: + case CHIP_RS200: + case CHIP_R200: + case CHIP_RV250: + case CHIP_RS300: + case CHIP_RV280: + case CHIP_R300: + case CHIP_R350: + case CHIP_RV350: + case CHIP_RV380: + case CHIP_R420: + case CHIP_R423: + case CHIP_RV410: + case CHIP_RS400: + case CHIP_RS480: + case CHIP_RS600: + case CHIP_RS690: + case CHIP_RS740: + case CHIP_RV515: + case CHIP_R520: + case CHIP_RV530: + case CHIP_RV560: + case CHIP_RV570: + case CHIP_R580: + case CHIP_CEDAR: + case CHIP_REDWOOD: + case CHIP_JUNIPER: + case CHIP_CYPRESS: + case CHIP_HEMLOCK: + default: + fprintf(stderr, "%s unknown or unsupported chipset 0x%04X\n", + __func__, radeon->device); + break; + } + return radeon; +} + +struct radeon *radeon_incref(struct radeon *radeon) +{ + if (radeon == NULL) + return NULL; + radeon->refcount++; + return radeon; +} + +struct radeon *radeon_decref(struct radeon *radeon) +{ + if (radeon == NULL) + return NULL; + if (--radeon->refcount > 0) { + return NULL; + } + drmClose(radeon->fd); + free(radeon); + return NULL; +} + +int radeon_reg_id(struct radeon *radeon, unsigned offset, unsigned *typeid, unsigned *stateid, unsigned *id) +{ + unsigned i, j; + + for (i = 0; i < radeon->ntype; i++) { + if (radeon->type[i].range_start) { + if (offset >= radeon->type[i].range_start && offset < radeon->type[i].range_end) { + *typeid = i; + j = offset - radeon->type[i].range_start; + j /= radeon->type[i].stride; + *stateid = radeon->type[i].id + j; + *id = (offset - radeon->type[i].range_start - radeon->type[i].stride * j) / 4; + return 0; + } + } else { + for (j = 0; j < radeon->type[i].nstates; j++) { + if (radeon->type[i].regs[j].offset == offset) { + *typeid = i; + *stateid = radeon->type[i].id; + *id = j; + return 0; + } + } + } + } + fprintf(stderr, "%s unknown register 0x%08X\n", __func__, offset); + return -EINVAL; +} + +unsigned radeon_type_from_id(struct radeon *radeon, unsigned id) +{ + unsigned i; + + for (i = 0; i < radeon->ntype - 1; i++) { + if (radeon->type[i].id == id) + return i; + if (id > radeon->type[i].id && id < radeon->type[i + 1].id) + return i; + } + if (radeon->type[i].id == id) + return i; + return -1; +} |