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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"
#include "drm_pciids.h"
int mga_driver_device_is_agp(struct drm_device * );
void mga_configure(struct drm_device *);
/* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */
static drm_pci_id_list_t mga_pciidlist[] = {
mga_PCI_IDS
};
/**
* 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;
}
void
mga_configure(struct drm_device *dev)
{
dev->driver.buf_priv_size = sizeof(drm_mga_buf_priv_t);
dev->driver.load = mga_driver_load;
dev->driver.unload = mga_driver_unload;
dev->driver.lastclose = mga_driver_lastclose;
dev->driver.enable_vblank = mga_enable_vblank;
dev->driver.disable_vblank = mga_disable_vblank;
dev->driver.get_vblank_counter = mga_get_vblank_counter;
dev->driver.irq_preinstall = mga_driver_irq_preinstall;
dev->driver.irq_postinstall = mga_driver_irq_postinstall;
dev->driver.irq_uninstall = mga_driver_irq_uninstall;
dev->driver.irq_handler = mga_driver_irq_handler;
dev->driver.dma_ioctl = mga_dma_buffers;
dev->driver.dma_quiescent = mga_driver_dma_quiescent;
dev->driver.device_is_agp = mga_driver_device_is_agp;
dev->driver.ioctls = mga_ioctls;
dev->driver.max_ioctl = mga_max_ioctl;
dev->driver.name = DRIVER_NAME;
dev->driver.desc = DRIVER_DESC;
dev->driver.date = DRIVER_DATE;
dev->driver.major = DRIVER_MAJOR;
dev->driver.minor = DRIVER_MINOR;
dev->driver.patchlevel = DRIVER_PATCHLEVEL;
dev->driver.use_agp = 1;
dev->driver.require_agp = 1;
dev->driver.use_mtrr = 1;
dev->driver.use_dma = 1;
dev->driver.use_irq = 1;
dev->driver.use_vbl_irq = 1;
}
#ifdef __FreeBSD__
static int
mga_probe(device_t dev)
{
return drm_probe(dev, mga_pciidlist);
}
static int
mga_attach(device_t nbdev)
{
struct drm_device *dev = device_get_softc(nbdev);
bzero(dev, sizeof(struct drm_device));
mga_configure(dev);
return drm_attach(nbdev, mga_pciidlist);
}
static device_method_t mga_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, mga_probe),
DEVMETHOD(device_attach, mga_attach),
DEVMETHOD(device_detach, drm_detach),
{ 0, 0 }
};
static driver_t mga_driver = {
"drm",
mga_methods,
sizeof(struct drm_device)
};
extern devclass_t drm_devclass;
#if __FreeBSD_version >= 700010
DRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0);
#else
DRIVER_MODULE(mga, pci, mga_driver, drm_devclass, 0, 0);
#endif
MODULE_DEPEND(mga, drm, 1, 1, 1);
#elif defined(__NetBSD__) || defined(__OpenBSD__)
int mgadrm_probe(struct device *, void *, void *);
void mgadrm_attach(struct device *, struct device *, void *);
int
#if defined(__OpenBSD__)
mgadrm_probe(struct device *parent, void *match, void *aux)
#else
mgadrm_probe(struct device *parent, struct cfdata *match, void *aux)
#endif
{
return drm_probe((struct pci_attach_args *)aux, mga_pciidlist);
}
void
mgadrm_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
struct drm_device *dev = (struct drm_device *)self;
mga_configure(dev);
return drm_attach(parent, self, pa, mga_pciidlist);
}
#if defined(__OpenBSD__)
struct cfattach mgadrm_ca = {
sizeof(struct drm_device), mgadrm_probe, mgadrm_attach,
drm_detach, drm_activate
};
struct cfdriver mgadrm_cd = {
0, "mgadrm", DV_DULL
};
#else
#ifdef _LKM
CFDRIVER_DECL(mgadrm, DV_TTY, NULL);
#else
CFATTACH_DECL(mgadrm, sizeof(struct drm_device), mgadrm_probe, mgadrm_attach,
drm_detach, drm_activate);
#endif
#endif
#endif
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