diff options
Diffstat (limited to 'radeon_device.c')
| -rw-r--r-- | radeon_device.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/radeon_device.c b/radeon_device.c deleted file mode 100644 index d677c62..0000000 --- a/radeon_device.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright © 2010 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 "radeon_device.h" -#include "r600_winsys.h" - -#pragma pack(1) -struct ib_reloc_gem { - uint32_t handle; - uint32_t read_domain; - uint32_t write_domain; - uint32_t flags; -}; -#pragma pack() -#define RELOC_SIZE (sizeof(struct ib_reloc_gem) / sizeof(uint32_t)) - -u32 radeon_ib_reloc(struct radeon_ib *ib, struct radeon_bo *bo, u32 d) -{ - struct ib_reloc_gem *reloc; - int i; - - for (i = 0; i < ib->crelocs; i++) { - reloc = (struct ib_reloc_gem*)&ib->relocs[i * RELOC_SIZE]; - if (reloc->handle == bo->handle) { - reloc->read_domain |= d; - return (i * RELOC_SIZE); - } - } - if (ib->crelocs >= ib->nrelocs) - return 0xFFFFFFFFUL; - i = ib->crelocs++; - reloc = (struct ib_reloc_gem*)&ib->relocs[i * RELOC_SIZE]; - reloc->handle = bo->handle; - reloc->read_domain = d; - reloc->write_domain = 0; - reloc->flags = 0; - return (i * RELOC_SIZE); -} - -int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib) -{ - struct radeon_ib *lib; - - lib = malloc(sizeof(struct radeon_ib)); - if (lib == NULL) - return -ENOMEM; - memset(lib, sizeof(*lib), 0); - lib->ptr = malloc(64 * 1024); - if (lib->ptr == NULL) { - free(lib); - return -ENOMEM; - } - lib->cpkts = 0; - lib->length_dw = 64 * 1024 / 4; - lib->relocs = malloc(64 * 1024); - if (lib->relocs == NULL) { - free(lib->ptr); - free(lib); - return -ENOMEM; - } - lib->nrelocs = 64 * 1024 / RELOC_SIZE; - lib->crelocs = 0; - *ib = lib; - return 0; -} - -void radeon_ib_free(struct radeon_ib *ib) -{ - if (ib == NULL) - return; - free(ib->ptr); - free(ib->relocs); - free(ib); -} - -int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib) -{ - struct drm_radeon_cs drmib; - struct drm_radeon_cs_chunk chunks[2]; - uint64_t chunk_array[2]; - int r = 0; - -#if 0 - for (r = 0; r < ib->cpkts; r++) { - printf("0x%08X\n", ib->ptr[r]); - } -#endif - drmib.num_chunks = 2; - drmib.chunks = (uint64_t)(uintptr_t)chunk_array; - chunks[0].chunk_id = RADEON_CHUNK_ID_IB; - chunks[0].length_dw = ib->cpkts; - chunks[0].chunk_data = (uint64_t)(uintptr_t)ib->ptr; - chunks[1].chunk_id = RADEON_CHUNK_ID_RELOCS; - chunks[1].length_dw = ib->crelocs * 4; - chunks[1].chunk_data = (uint64_t)(uintptr_t)ib->relocs; - chunk_array[0] = (uint64_t)(uintptr_t)&chunks[0]; - chunk_array[1] = (uint64_t)(uintptr_t)&chunks[1]; -#if 1 - r = drmCommandWriteRead(rdev->fd, DRM_RADEON_CS, &drmib, - sizeof(struct drm_radeon_cs)); -#endif - return r; -} - -int radeon_device_init(struct radeon_device **rdev, struct radeon_bo_manager *bom, int fd) -{ - struct radeon_device *dev; - int r; - - *rdev = NULL; - dev = kmalloc(sizeof(*dev), GFP_KERNEL); - if (dev == NULL) - return -ENOMEM; - memset(dev, 0, sizeof(struct radeon_device)); - dev->fd = fd; - dev->bom = bom; - r = r600_atoms_init(dev); - if (r) - return r; - *rdev = dev; - return r; -} - -void radeon_device_release(struct radeon_device *rdev) -{ - r600_atoms_release(rdev); - memset(rdev, 0, sizeof(struct radeon_device)); - kfree(rdev); -} - -void kref_set(struct kref *kref, int num) -{ - kref->refcount = num; -} - -/** - * kref_init - initialize object. - * @kref: object in question. - */ -void kref_init(struct kref *kref) -{ - kref_set(kref, 1); -} - -/** - * kref_get - increment refcount for object. - * @kref: object. - */ -void kref_get(struct kref *kref) -{ - kref->refcount++; -} - -/** - * kref_put - decrement refcount for object. - * @kref: object. - * @release: pointer to the function that will clean up the object when the - * last reference to the object is released. - * This pointer is required, and it is not acceptable to pass kfree - * in as this function. - * - * Decrement the refcount, and if 0, call release(). - * Return 1 if the object was removed, otherwise return 0. Beware, if this - * function returns 0, you still can not count on the kref from remaining in - * memory. Only use the return value if you want to see if the kref is now - * gone, not present. - */ -int kref_put(struct kref *kref, void (*release)(struct kref *kref)) -{ - kref->refcount--; - if (!kref->refcount) { - release(kref); - return 1; - } - return 0; -} - -u64 crc_64(void *d, size_t len) -{ - u8 *data = (uint8_t*)d; - u64 div = 0x42F0E1EBA9EA3693; - u64 crc = 0xFFFFFFFFFFFFFFFF; - u8 t; - int i, j; - - for (j = 0; j < len; j++) { - t = data[j]; - for (i = 0; i < 8; i++) { - if ((t >> 7) ^ (crc >> 63)) { - crc = (crc << 1) ^ div; - } else { - crc = (crc << 1); - } - t = (t << 1) & 0xFF; - } - } - return crc; -} |