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authorKeith Whitwell <keith@tungstengraphics.com>2003-01-10 17:04:21 +0000
committerKeith Whitwell <keith@tungstengraphics.com>2003-01-10 17:04:21 +0000
commita1fc6af2d8937fcc4eef25119d777e168e62b2ea (patch)
tree60a9c58ebf559642ead9413ca32908286480bd74 /linux/Makefile.linux
parent4b3051d3f606faf1a78ac85236119a1d2e10fdc7 (diff)
Note that radeon_do_cp_idle() can fail, cope with it.
Diffstat (limited to 'linux/Makefile.linux')
0 files changed, 0 insertions, 0 deletions
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/*
 * Copyright 2007 Nouveau Project
 *
 * 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, sublicense,
 * 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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE AUTHORS 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.
 */

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>

#include "nouveau_private.h"

#if NOUVEAU_DRM_HEADER_PATCHLEVEL != 14
#error nouveau_drm.h does not match expected patchlevel, update libdrm.
#endif

int
nouveau_device_open_existing(struct nouveau_device **dev, int close,
			     int fd, drm_context_t ctx)
{
	struct nouveau_device_priv *nvdev;
	drmVersionPtr ver;
	uint64_t value;
	int ret;

	if (!dev || *dev)
	    return -EINVAL;

	ver = drmGetVersion(fd);
	if (!ver || ver->version_patchlevel != NOUVEAU_DRM_HEADER_PATCHLEVEL)
		return -EINVAL;
	drmFreeVersion(ver);

	nvdev = calloc(1, sizeof(*nvdev));
	if (!nvdev)
	    return -ENOMEM;
	nvdev->fd = fd;
	nvdev->ctx = ctx;
	nvdev->needs_close = close;

	ret = drmCommandNone(nvdev->fd, DRM_NOUVEAU_CARD_INIT);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}

	ret = nouveau_device_get_param(&nvdev->base,
				       NOUVEAU_GETPARAM_MM_ENABLED, &value);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}
	nvdev->mm_enabled = value;

	ret = nouveau_device_get_param(&nvdev->base,
				       NOUVEAU_GETPARAM_VM_VRAM_BASE, &value);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}
	nvdev->base.vm_vram_base = value;

	ret = nouveau_device_get_param(&nvdev->base,
				       NOUVEAU_GETPARAM_FB_SIZE, &value);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}
	nvdev->base.vm_vram_size = value;

	ret = nouveau_device_get_param(&nvdev->base,
				       NOUVEAU_GETPARAM_AGP_SIZE, &value);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}
	nvdev->base.vm_gart_size = value;

	ret = nouveau_bo_init(&nvdev->base);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}

	ret = nouveau_device_get_param(&nvdev->base,
				       NOUVEAU_GETPARAM_CHIPSET_ID, &value);
	if (ret) {
		nouveau_device_close((void *)&nvdev);
		return ret;
	}
	nvdev->base.chipset = value;

	*dev = &nvdev->base;
	return 0;
}

int
nouveau_device_open(struct nouveau_device **dev, const char *busid)
{
	drm_context_t ctx;
	int fd, ret;

	if (!dev || *dev)
		return -EINVAL;

	fd = drmOpen("nouveau", busid);
	if (fd < 0)
		return -EINVAL;

	ret = drmCreateContext(fd, &ctx);
	if (ret) {
		drmClose(fd);
		return ret;
	}

	ret = nouveau_device_open_existing(dev, 1, fd, ctx);
	if (ret) {
	    drmDestroyContext(fd, ctx);
	    drmClose(fd);
	    return ret;