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/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* 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
* on 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 above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* 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 AUTHOR(S) AND/OR THEIR 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.
*
* Authors:
* Jerome Glisse
*/
#include "r600.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 r600_winsys *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 r600_winsys *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 r600_winsys_init(struct r600_winsys **rdev, struct radeon_bo_manager *bom, int fd)
{
struct r600_winsys *dev;
int r;
*rdev = NULL;
dev = malloc(sizeof(struct r600_winsys));
if (dev == NULL)
return -ENOMEM;
memset(dev, 0, sizeof(struct r600_winsys));
dev->fd = fd;
dev->bom = bom;
r = r600_atoms_init(dev);
if (r)
return r;
*rdev = dev;
return r;
}
void r600_winsys_release(struct r600_winsys *rdev)
{
memset(rdev, 0, sizeof(struct r600_winsys));
free(rdev);
}
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;
}
void r600_memcpy_bo(struct radeon_bo *bo, u32 *src, u32 size)
{
int r;
r = radeon_bo_map(bo, 1);
if (r) {
return;
}
memcpy(bo->ptr, src, size);
radeon_bo_unmap(bo);
}
void r600_winsys_set_bo_list(struct r600_winsys *rdev, u32 nbo, struct radeon_bo **bo)
{
memcpy(rdev->bo, bo, sizeof(void*) * nbo);
rdev->nbo = nbo;
}
struct radeon_bo *radeon_bo_lookup(struct r600_winsys *rdev, u32 handle)
{
int i;
for (i = 0; i < rdev->nbo; i++) {
if (rdev->bo[i] && rdev->bo[i]->handle == handle) {
radeon_bo_ref(rdev->bo[i]);
return rdev->bo[i];
}
}
return NULL;
}
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