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/* savage_drv.c -- Savage DRI driver
*/
/*-
* Copyright 2005 Eric Anholt
* 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
* ERIC ANHOLT 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:
* Eric Anholt <anholt@FreeBSD.org>
*/
#include "drmP.h"
#include "drm.h"
#include "savage_drm.h"
#include "savage_drv.h"
int savagedrm_probe(struct device *, void *, void *);
void savagedrm_attach(struct device *, struct device *, void *);
int savagedrm_detach(struct device *, int);
int savagedrm_ioctl(struct drm_device *, u_long, caddr_t, struct drm_file *);
static drm_pci_id_list_t savagedrm_pciidlist[] = {
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE3D, S3_SAVAGE3D},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE3D_M, S3_SAVAGE3D},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE4, S3_SAVAGE4},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE4_2, S3_SAVAGE4},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE_MXMV, S3_SAVAGE_MX},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE_MX, S3_SAVAGE_MX},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE_IXMV, S3_SAVAGE_MX},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SAVAGE_IX, S3_SAVAGE_MX},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_MX128, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_MX64, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_MX64C, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_IX128SDR, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_IX128DDR, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_IX64SDR, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_IX64DDR, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_IXCSDR, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_SUPERSAVAGE_IXCDDR, S3_SUPERSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_PROSAVAGE_PM133, S3_PROSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_PROSAVAGE_KM133, S3_PROSAVAGE},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_TWISTER, S3_TWISTER},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_TWISTER_K, S3_TWISTER},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_PROSAVAGE_DDR, S3_PROSAVAGEDDR},
{PCI_VENDOR_S3, PCI_PRODUCT_S3_PROSAVAGE_DDR_K, S3_PROSAVAGEDDR},
{0, 0, 0}
};
static const struct drm_driver_info savagedrm_driver = {
.buf_priv_size = sizeof(drm_savage_buf_priv_t),
.firstopen = savage_driver_firstopen,
.lastclose = savage_driver_lastclose,
.reclaim_buffers_locked = savage_reclaim_buffers,
.dma_ioctl = savage_bci_buffers,
.name = DRIVER_NAME,
.desc = DRIVER_DESC,
.date = DRIVER_DATE,
.major = DRIVER_MAJOR,
.minor = DRIVER_MINOR,
.patchlevel = DRIVER_PATCHLEVEL,
.flags = DRIVER_AGP | DRIVER_MTRR | DRIVER_PCI_DMA |
DRIVER_DMA,
};
int
savagedrm_probe(struct device *parent, void *match, void *aux)
{
return drm_pciprobe((struct pci_attach_args *)aux, savagedrm_pciidlist);
}
void
savagedrm_attach(struct device *parent, struct device *self, void *aux)
{
drm_savage_private_t *dev_priv = (drm_savage_private_t *)self;
struct pci_attach_args *pa = aux;
struct vga_pci_bar *bar;
drm_pci_id_list_t *id_entry;
unsigned long mmio_base;
int is_agp;
id_entry = drm_find_description(PCI_VENDOR(pa->pa_id),
PCI_PRODUCT(pa->pa_id), savagedrm_pciidlist);
dev_priv->chipset = (enum savage_family)id_entry->driver_private;
if (S3_SAVAGE3D_SERIES(dev_priv->chipset)) {
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 0);
if (bar == NULL) {
printf(": can't find fb info\n");
return;
}
dev_priv->fb_base = bar->base;
dev_priv->fb_size = SAVAGE_FB_SIZE_S3;
mmio_base = dev_priv->fb_base + dev_priv->fb_size;
dev_priv->aperture_base = dev_priv->fb_base +
SAVAGE_APERTURE_OFFSET;
/* this should always be true */
if (bar->maxsize != 0x08000000) {
printf(": strange pci resource len $08lx\n",
bar->maxsize);
return;
}
} else if (dev_priv->chipset != S3_SUPERSAVAGE &&
dev_priv->chipset != S3_SAVAGE2000) {
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 0);
if (bar == NULL) {
printf(": can't find mmio info\n");
return;
}
mmio_base = bar->base;
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 1);
if (bar == NULL) {
printf(": can't find fb info\n");
return;
}
dev_priv->fb_base = bar->base;
dev_priv->fb_size = SAVAGE_FB_SIZE_S4;
dev_priv->aperture_base = dev_priv->fb_base +
SAVAGE_APERTURE_OFFSET;
/* this should always be true */
if (bar->maxsize != 0x08000000) {
printf(": strange pci resource len $08lx\n",
bar->maxsize);
return;
}
} else {
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 0);
if (bar == NULL) {
printf(": can't find mmio info\n");
return;
}
mmio_base = bar->base;
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 1);
if (bar == NULL) {
printf(": can't find fb info\n");
return;
}
dev_priv->fb_base = bar->base;
dev_priv->fb_size = bar->maxsize;
bar = vga_pci_bar_info((struct vga_pci_softc *)parent, 2);
if (bar == NULL) {
printf(": can't find aperture info\n");
return;
}
dev_priv->aperture_base = bar->base;
}
if (bus_space_map(pa->pa_memt, mmio_base, SAVAGE_MMIO_SIZE,
BUS_SPACE_MAP_LINEAR, &dev_priv->bsh) != 0) {
printf(": can't map mmio space\n");
return;
}
dev_priv->bst = pa->pa_memt;
is_agp = pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_AGP,
NULL, NULL);
printf("\n");
dev_priv->drmdev = drm_attach_pci(&savagedrm_driver, pa, is_agp, self);
}
int
savagedrm_detach(struct device *self, int flags)
{
drm_savage_private_t *dev_priv = (drm_savage_private_t *)self;
if (dev_priv->drmdev != NULL) {
config_detach(dev_priv->drmdev, flags);
dev_priv->drmdev = NULL;
}
bus_space_unmap(dev_priv->bst, dev_priv->bsh, SAVAGE_MMIO_SIZE);
return (0);
}
struct cfattach savagedrm_ca = {
sizeof(drm_savage_private_t), savagedrm_probe, savagedrm_attach,
savagedrm_detach
};
struct cfdriver savagedrm_cd = {
0, "savagedrm", DV_DULL
};
int
savagedrm_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_SAVAGE_CMDBUF:
return (savage_bci_cmdbuf(dev, data, file_priv));
case DRM_IOCTL_SAVAGE_EVENT_EMIT:
return (savage_bci_event_emit(dev, data, file_priv));
case DRM_IOCTL_SAVAGE_EVENT_WAIT:
return (savage_bci_event_wait(dev, data, file_priv));
}
}
if (file_priv->master == 1) {
switch (cmd) {
case DRM_IOCTL_SAVAGE_INIT:
return (savage_bci_init(dev, data, file_priv));
}
}
return (EINVAL);
}
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