summaryrefslogtreecommitdiff
path: root/linux-core/nv04_mc.c
AgeCommit message (Expand)Author
2007-03-26nouveau: move card initialisation into the drmBen Skeggs
n18'>18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147
/*
 * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
 * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
 *
 * 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, 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
 * VIA, S3 GRAPHICS, AND/OR ITS 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.
 */
#include "drmP.h"
#include "via_drm.h"
#include "via_drv.h"

static int via_do_init_map(drm_device_t * dev, drm_via_init_t * init)
{
	drm_via_private_t *dev_priv = dev->dev_private;
	int ret = 0;

	DRM_DEBUG("%s\n", __FUNCTION__);

	dev_priv->sarea = drm_getsarea(dev);
	if (!dev_priv->sarea) {
		DRM_ERROR("could not find sarea!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->fb = drm_core_findmap(dev, init->fb_offset);
	if (!dev_priv->fb) {
		DRM_ERROR("could not find framebuffer!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}
	dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);
	if (!dev_priv->mmio) {
		DRM_ERROR("could not find mmio region!\n");
		dev->dev_private = (void *)dev_priv;
		via_do_cleanup_map(dev);
		return -EINVAL;
	}

	dev_priv->sarea_priv =
	    (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle +
				 init->sarea_priv_offset);

	dev_priv->agpAddr = init->agpAddr;

	via_init_futex( dev_priv );
#ifdef VIA_HAVE_DMABLIT
	via_init_dmablit( dev );
#endif
#ifdef VIA_HAVE_FENCE
	dev_priv->emit_0_sequence = 0;
	dev_priv->have_idlelock = 0;
	spin_lock_init(&dev_priv->fence_lock);
	init_timer(&dev_priv->fence_timer);
	dev_priv->fence_timer.function = &via_fence_timer;
	dev_priv->fence_timer.data = (unsigned long) dev;
#endif /* VIA_HAVE_FENCE */
	dev->dev_private = (void *)dev_priv;
#ifdef VIA_HAVE_BUFFER
	ret = drm_bo_driver_init(dev);
	if (ret)
		DRM_ERROR("Could not initialize buffer object driver.\n");
#endif
	return ret;

}

int via_do_cleanup_map(drm_device_t * dev)
{
	via_dma_cleanup(dev);

	return 0;
}


int via_map_init(DRM_IOCTL_ARGS)
{
	DRM_DEVICE;
	drm_via_init_t init;

	DRM_DEBUG("%s\n", __FUNCTION__);

	DRM_COPY_FROM_USER_IOCTL(init, (drm_via_init_t __user *) data,
				 sizeof(init));

	switch (init.func) {
	case VIA_INIT_MAP:
		return via_do_init_map(dev, &init);
	case VIA_CLEANUP_MAP:
		return via_do_cleanup_map(dev);
	}

	return -EINVAL;
}

int via_driver_load(drm_device_t *dev, unsigned long chipset)
{
	drm_via_private_t *dev_priv;
	int ret = 0;

	dev_priv = drm_calloc(1, sizeof(drm_via_private_t), DRM_MEM_DRIVER);
	if (dev_priv == NULL)
		return DRM_ERR(ENOMEM);

	dev->dev_private = (void *)dev_priv;

	dev_priv->chipset = chipset;

#ifdef VIA_HAVE_CORE_MM
	ret = drm_sman_init(&dev_priv->sman, 2, 12, 8);
	if (ret) {
		drm_free(dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER);
	}
#endif
	return ret;
}

int via_driver_unload(drm_device_t *dev)
{
	drm_via_private_t *dev_priv = dev->dev_private;

#ifdef VIA_HAVE_CORE_MM
	drm_sman_takedown(&dev_priv->sman);
#endif
	drm_free(dev_priv, sizeof(drm_via_private_t), DRM_MEM_DRIVER);

	return 0;
}