/* 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 * Gareth Hughes * */ #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, .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; int is_agp; 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, 0, 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, 0, 0); if (dev_priv->regs == NULL) { printf(": can't map mmio space\n"); return; } if (pci_intr_map(pa, &dev_priv->ih) != 0) { printf(": couldn't map interrupt\n"); return; } printf(": %s\n", pci_intr_string(pa->pa_pc, dev_priv->ih)); /* XXX pcie */ is_agp = pci_get_capability(pa->pa_pc, pa->pa_tag, PCI_CAP_AGP, NULL, NULL); dev_priv->drmdev = drm_attach_pci(&mga_driver, pa, is_agp, 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); }