mirror of
https://github.com/edk2-porting/linux-next.git
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f0493e653f
- Added the new device ID - Added new pll algorithm Signed-off-by: Mathieu Larouche <mathieu.larouche@matrox.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
137 lines
3.5 KiB
C
137 lines
3.5 KiB
C
/*
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* Copyright 2012 Red Hat
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*
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* This file is subject to the terms and conditions of the GNU General
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* Public License version 2. See the file COPYING in the main
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* directory of this archive for more details.
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*
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* Authors: Matthew Garrett
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* Dave Airlie
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*/
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#include <linux/module.h>
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#include <linux/console.h>
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#include <drm/drmP.h>
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#include "mgag200_drv.h"
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#include <drm/drm_pciids.h>
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/*
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* This is the generic driver code. This binds the driver to the drm core,
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* which then performs further device association and calls our graphics init
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* functions
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*/
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int mgag200_modeset = -1;
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MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
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module_param_named(modeset, mgag200_modeset, int, 0400);
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static struct drm_driver driver;
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static const struct pci_device_id pciidlist[] = {
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{ PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A },
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{ PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B },
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{ PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV },
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{ PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB },
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{ PCI_VENDOR_ID_MATROX, 0x533, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH },
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{ PCI_VENDOR_ID_MATROX, 0x534, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_ER },
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{ PCI_VENDOR_ID_MATROX, 0x536, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EW3 },
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{ PCI_VENDOR_ID_MATROX, 0x538, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH3 },
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{0,}
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};
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MODULE_DEVICE_TABLE(pci, pciidlist);
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static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev)
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{
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struct apertures_struct *ap;
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bool primary = false;
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ap = alloc_apertures(1);
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if (!ap)
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return;
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ap->ranges[0].base = pci_resource_start(pdev, 0);
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ap->ranges[0].size = pci_resource_len(pdev, 0);
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#ifdef CONFIG_X86
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primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
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#endif
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drm_fb_helper_remove_conflicting_framebuffers(ap, "mgag200drmfb", primary);
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kfree(ap);
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}
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static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
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{
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mgag200_kick_out_firmware_fb(pdev);
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return drm_get_pci_dev(pdev, ent, &driver);
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}
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static void mga_pci_remove(struct pci_dev *pdev)
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{
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struct drm_device *dev = pci_get_drvdata(pdev);
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drm_put_dev(dev);
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}
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static const struct file_operations mgag200_driver_fops = {
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.owner = THIS_MODULE,
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.open = drm_open,
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.release = drm_release,
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.unlocked_ioctl = drm_ioctl,
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.mmap = mgag200_mmap,
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.poll = drm_poll,
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.compat_ioctl = drm_compat_ioctl,
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.read = drm_read,
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};
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static struct drm_driver driver = {
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.driver_features = DRIVER_GEM | DRIVER_MODESET,
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.load = mgag200_driver_load,
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.unload = mgag200_driver_unload,
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.set_busid = drm_pci_set_busid,
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.fops = &mgag200_driver_fops,
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.name = DRIVER_NAME,
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.desc = DRIVER_DESC,
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.date = DRIVER_DATE,
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.major = DRIVER_MAJOR,
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.minor = DRIVER_MINOR,
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.patchlevel = DRIVER_PATCHLEVEL,
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.gem_free_object_unlocked = mgag200_gem_free_object,
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.dumb_create = mgag200_dumb_create,
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.dumb_map_offset = mgag200_dumb_mmap_offset,
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.dumb_destroy = drm_gem_dumb_destroy,
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};
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static struct pci_driver mgag200_pci_driver = {
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.name = DRIVER_NAME,
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.id_table = pciidlist,
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.probe = mga_pci_probe,
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.remove = mga_pci_remove,
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};
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static int __init mgag200_init(void)
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{
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if (vgacon_text_force() && mgag200_modeset == -1)
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return -EINVAL;
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if (mgag200_modeset == 0)
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return -EINVAL;
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return drm_pci_init(&driver, &mgag200_pci_driver);
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}
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static void __exit mgag200_exit(void)
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{
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drm_pci_exit(&driver, &mgag200_pci_driver);
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}
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module_init(mgag200_init);
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module_exit(mgag200_exit);
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MODULE_AUTHOR(DRIVER_AUTHOR);
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MODULE_DESCRIPTION(DRIVER_DESC);
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MODULE_LICENSE("GPL");
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