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/*
* 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;
}
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