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/*
* Copyright 2005 Stephane Marchesin
* 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, 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 (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 NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT 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 "drm.h"
#include "drm_sarea.h"
#include "nouveau_drv.h"
/* here a client dies, release the stuff that was allocated for its filp */
void nouveau_preclose(drm_device_t * dev, DRMFILE filp)
{
drm_nouveau_private_t *dev_priv = dev->dev_private;
nouveau_mem_release(filp,dev_priv->fb_heap);
nouveau_mem_release(filp,dev_priv->agp_heap);
nouveau_object_cleanup(dev, filp);
nouveau_fifo_cleanup(dev, filp);
}
/* first module load, setup the mmio/fb mapping */
int nouveau_firstopen(struct drm_device *dev)
{
int ret;
drm_nouveau_private_t *dev_priv = dev->dev_private;
/* resource 0 is mmio regs */
/* resource 1 is linear FB */
/* resource 2 is ??? (mmio regs + 0x1000000) */
/* resource 6 is bios */
/* map the mmio regs */
ret = drm_addmap(dev, drm_get_resource_start(dev, 0), drm_get_resource_len(dev, 0),
_DRM_REGISTERS, _DRM_READ_ONLY, &dev_priv->mmio);
if (dev_priv->mmio)
{
DRM_INFO("regs mapped ok at 0x%lx\n",dev_priv->mmio->offset);
}
else
{
DRM_ERROR("Unable to initialize the mmio mapping. Please report your setup to " DRIVER_EMAIL "\n");
return 1;
}
DRM_INFO("%lld MB of video ram detected\n",nouveau_mem_fb_amount(dev)>>20);
if (dev_priv->card_type>=NV_40)
dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-560*1024;
else
dev_priv->fb_usable_size=nouveau_mem_fb_amount(dev)-256*1024;
return 0;
}
int nouveau_load(struct drm_device *dev, unsigned long flags)
{
drm_nouveau_private_t *dev_priv;
if (flags==NV_UNKNOWN)
return DRM_ERR(EINVAL);
dev_priv = drm_alloc(sizeof(drm_nouveau_private_t), DRM_MEM_DRIVER);
if (!dev_priv)
return DRM_ERR(ENOMEM);
memset(dev_priv, 0, sizeof(drm_nouveau_private_t));
dev_priv->card_type=flags&NOUVEAU_FAMILY;
dev_priv->flags=flags&NOUVEAU_FLAGS;
dev->dev_private = (void *)dev_priv;
return 0;
}
int nouveau_unload(struct drm_device *dev)
{
drm_free(dev->dev_private, sizeof(*dev->dev_private), DRM_MEM_DRIVER);
dev->dev_private = NULL;
return 0;
}
int nouveau_ioctl_getparam(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_nouveau_getparam_t getparam;
DRM_COPY_FROM_USER_IOCTL(getparam, (drm_nouveau_getparam_t __user *)data,
sizeof(getparam));
switch (getparam.param) {
default:
DRM_ERROR("unknown parameter %d\n", getparam.param);
return DRM_ERR(EINVAL);
}
DRM_COPY_TO_USER_IOCTL((drm_nouveau_getparam_t __user *)data, getparam,
sizeof(getparam));
return 0;
}
int nouveau_ioctl_setparam(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_nouveau_private_t *dev_priv = dev->dev_private;
drm_nouveau_setparam_t setparam;
DRM_COPY_FROM_USER_IOCTL(setparam, (drm_nouveau_setparam_t __user *)data,
sizeof(setparam));
switch (setparam.param) {
case NOUVEAU_SETPARAM_CMDBUF_LOCATION:
switch (setparam.value) {
case NOUVEAU_MEM_AGP:
case NOUVEAU_MEM_FB:
break;
default:
DRM_ERROR("invalid CMDBUF_LOCATION value=%d\n", setparam.value);
return DRM_ERR(EINVAL);
}
dev_priv->config.cmdbuf.location = setparam.value;
break;
case NOUVEAU_SETPARAM_CMDBUF_SIZE:
dev_priv->config.cmdbuf.size = setparam.value;
break;
default:
DRM_ERROR("unknown parameter %d\n", setparam.param);
return DRM_ERR(EINVAL);
}
return 0;
}
int nouveau_dma_init(struct drm_device *dev)
{
drm_nouveau_private_t *dev_priv = dev->dev_private;
struct nouveau_config *config = &dev_priv->config;
struct mem_block *cb;
int cb_min_size = nouveau_fifo_number(dev) * NV03_FIFO_SIZE;
nouveau_hash_table_init(dev);
if (dev_priv->card_type >= NV_40)
dev_priv->fb_obj = nouveau_dma_object_create(dev,
0, nouveau_mem_fb_amount(dev),
NV_DMA_ACCESS_RW, NV_DMA_TARGET_VIDMEM);
/* Defaults for unconfigured values */
if (!config->cmdbuf.location)
config->cmdbuf.location = NOUVEAU_MEM_FB;
if (!config->cmdbuf.size || config->cmdbuf.size < cb_min_size)
config->cmdbuf.size = cb_min_size;
cb = nouveau_mem_alloc(dev, 0, config->cmdbuf.size,
config->cmdbuf.location, (DRMFILE)-2);
/* Try defaults if that didn't succeed */
if (!cb) {
config->cmdbuf.location = NOUVEAU_MEM_FB;
config->cmdbuf.size = cb_min_size;
cb = nouveau_mem_alloc(dev, 0, config->cmdbuf.size,
config->cmdbuf.location, (DRMFILE)-2);
}
if (!cb) {
DRM_ERROR("Couldn't allocate DMA command buffer.\n");
return DRM_ERR(ENOMEM);
}
if (config->cmdbuf.location == NOUVEAU_MEM_AGP)
dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev,
cb->start, cb->size, NV_DMA_ACCESS_RO, NV_DMA_TARGET_AGP);
else
dev_priv->cmdbuf_obj = nouveau_dma_object_create(dev,
cb->start - drm_get_resource_start(dev, 1),
cb->size, NV_DMA_ACCESS_RO, NV_DMA_TARGET_VIDMEM);
dev_priv->cmdbuf_ch_size = (uint32_t)cb->size / nouveau_fifo_number(dev);
dev_priv->cmdbuf_alloc = cb;
DRM_INFO("DMA command buffer is %dKiB at 0x%08x(%s)\n",
(uint32_t)cb->size>>10, (uint32_t)cb->start,
config->cmdbuf.location == NOUVEAU_MEM_FB ? "VRAM" : "AGP");
DRM_INFO("FIFO size is %dKiB\n", dev_priv->cmdbuf_ch_size>>10);
return 0;
}
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