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/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*-
* Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com
*/
/*-
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* 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
* VA LINUX SYSTEMS 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.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
* Gareth Hughes <gareth@valinux.com>
*
*/
#include "drmP.h"
#include "drm.h"
#include "mga_drm.h"
#include "mga_drv.h"
int mgadrm_probe(struct device *, void *, void *);
void mgadrm_attach(struct device *, struct device *, void *);
int mgadrm_detach(struct device *, int);
int mga_driver_device_is_agp(struct drm_device * );
int mgadrm_ioctl(struct drm_device *, u_long, caddr_t, struct drm_file *);
#define MGA_DEFAULT_USEC_TIMEOUT 10000
static drm_pci_id_list_t mgadrm_pciidlist[] = {
{PCI_VENDOR_MATROX, PCI_PRODUCT_MATROX_MILL_II_G200_PCI,
MGA_CARD_TYPE_G200},
{PCI_VENDOR_MATROX, PCI_PRODUCT_MATROX_MILL_II_G200_AGP,
MGA_CARD_TYPE_G200},
{PCI_VENDOR_MATROX, PCI_PRODUCT_MATROX_MILL_II_G400_AGP,
MGA_CARD_TYPE_G400},
{PCI_VENDOR_MATROX, PCI_PRODUCT_MATROX_MILL_II_G550_AGP,
MGA_CARD_TYPE_G550},
{0, 0, 0}
};
/**
* Determine if the device really is AGP or not.
*
* In addition to the usual tests performed by \c drm_device_is_agp, this
* function detects PCI G450 cards that appear to the system exactly like
* AGP G450 cards.
*
* \param dev The device to be tested.
*
* \returns
* If the device is a PCI G450, zero is returned. Otherwise non-zero is
* returned.
*
* \bug
* This function needs to be filled in! The implementation in
* linux-core/mga_drv.c shows what needs to be done.
*/
int
mga_driver_device_is_agp(struct drm_device * dev)
{
#ifdef __FreeBSD__
device_t bus;
/* There are PCI versions of the G450. These cards have the
* same PCI ID as the AGP G450, but have an additional PCI-to-PCI
* bridge chip. We detect these cards, which are not currently
* supported by this driver, by looking at the device ID of the
* bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the
* device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the
* device.
*/
#if __FreeBSD_version >= 700010
bus = device_get_parent(device_get_parent(dev->device));
#else
bus = device_get_parent(dev->device);
#endif
if (pci_get_device(dev->device) == 0x0525 &&
pci_get_vendor(bus) == 0x3388 &&
pci_get_device(bus) == 0x0021)
return DRM_IS_NOT_AGP;
else
#endif /* XXX Fixme for non freebsd */
return DRM_MIGHT_BE_AGP;
}
static const struct drm_driver_info mga_driver = {
.buf_priv_size = sizeof(drm_mga_buf_priv_t),
.ioctl = mgadrm_ioctl,
.lastclose = mga_driver_lastclose,
.vblank_pipes = 1,
.enable_vblank = mga_enable_vblank,
.disable_vblank = mga_disable_vblank,
.get_vblank_counter = mga_get_vblank_counter,
.irq_install = mga_driver_irq_install,
.irq_uninstall = mga_driver_irq_uninstall,
.irq_handler = mga_driver_irq_handler,
.dma_ioctl = mga_dma_buffers,
.dma_quiescent = mga_driver_dma_quiescent,
.device_is_agp = mga_driver_device_is_agp,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.flags = DRIVER_AGP | DRIVER_AGP_REQUIRE |
DRIVER_MTRR | DRIVER_DMA | DRIVER_IRQ,
};
int
mgadrm_probe(struct device *parent, void *match, void *aux)
{
return drm_pciprobe((struct pci_attach_args *)aux, mgadrm_pciidlist);
}
void
mgadrm_attach(struct device *parent, struct device *self, void *aux)
{
drm_mga_private_t *dev_priv = (drm_mga_private_t *)self;
struct pci_attach_args *pa = aux;
struct vga_pci_bar *bar;
drm_pci_id_list_t *id_entry;
dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
dev_priv->pc = pa->pa_pc;
id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
PCI_PRODUCT(pa->pa_id), mgadrm_pciidlist);
dev_priv->chipset = id_entry->driver_private;
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 1);
if (bar == NULL) {
printf(": couldn't get BAR info\n");
return;
}
dev_priv->regs = vga_pci_bar_map((struct vga_pci_softc *)parent,
bar->addr, bar->size, 0);
if (dev_priv->regs == NULL) {
printf(": can't map mmio space\n");
return;
}
dev_priv->regs = vga_pci_bar_map((struct vga_pci_softc *)parent,
bar->addr, bar->size, 0);
if (dev_priv->regs == NULL) {
printf(": can't map mmio space\n");
return;
}
dev_priv->drmdev = drm_attach_mi(&mga_driver, pa->pa_dmat, pa, self);
}
int
mgadrm_detach(struct device *self, int flags)
{
drm_mga_private_t *dev_priv = (drm_mga_private_t *)self;
if (dev_priv->drmdev != NULL) {
config_detach(dev_priv->drmdev, flags);
dev_priv->drmdev = NULL;
}
if (dev_priv->regs != NULL)
vga_pci_bar_unmap(dev_priv->regs);
return (0);
}
struct cfattach mgadrm_ca = {
sizeof(drm_mga_private_t), mgadrm_probe, mgadrm_attach,
mgadrm_detach
};
struct cfdriver mgadrm_cd = {
0, "mgadrm", DV_DULL
};
int
mgadrm_ioctl(struct drm_device *dev, u_long cmd, caddr_t data,
struct drm_file *file_priv)
{
if (file_priv->authenticated == 1) {
switch (cmd) {
case DRM_IOCTL_MGA_FLUSH:
return (mga_dma_flush(dev, data, file_priv));
case DRM_IOCTL_MGA_RESET:
return (mga_dma_reset(dev, data, file_priv));
case DRM_IOCTL_MGA_SWAP:
return (mga_dma_swap(dev, data, file_priv));
case DRM_IOCTL_MGA_CLEAR:
return (mga_dma_clear(dev, data, file_priv));
case DRM_IOCTL_MGA_VERTEX:
return (mga_dma_vertex(dev, data, file_priv));
case DRM_IOCTL_MGA_INDICES:
return (mga_dma_indices(dev, data, file_priv));
case DRM_IOCTL_MGA_ILOAD:
return (mga_dma_iload(dev, data, file_priv));
case DRM_IOCTL_MGA_BLIT:
return (mga_dma_blit(dev, data, file_priv));
case DRM_IOCTL_MGA_GETPARAM:
return (mga_getparam(dev, data, file_priv));
case DRM_IOCTL_MGA_SET_FENCE:
return (mga_set_fence(dev, data, file_priv));
case DRM_IOCTL_MGA_WAIT_FENCE:
return (mga_wait_fence(dev, data, file_priv));
}
}
if (file_priv->master == 1) {
switch (cmd) {
case DRM_IOCTL_MGA_INIT:
return (mga_dma_init(dev, data, file_priv));
case DRM_IOCTL_MGA_DMA_BOOTSTRAP:
return (mga_dma_bootstrap(dev, data, file_priv));
}
}
return (EINVAL);
}
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