1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright 2012 Red Hat 4 * 5 * Authors: Matthew Garrett 6 * Dave Airlie 7 */ 8 #include <linux/module.h> 9 #include <linux/console.h> 10 #include <drm/drmP.h> 11 12 #include "mgag200_drv.h" 13 14 #include <drm/drm_pciids.h> 15 16 /* 17 * This is the generic driver code. This binds the driver to the drm core, 18 * which then performs further device association and calls our graphics init 19 * functions 20 */ 21 int mgag200_modeset = -1; 22 23 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 24 module_param_named(modeset, mgag200_modeset, int, 0400); 25 26 static struct drm_driver driver; 27 28 static const struct pci_device_id pciidlist[] = { 29 { PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A }, 30 { PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B }, 31 { PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV }, 32 { PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB }, 33 { PCI_VENDOR_ID_MATROX, 0x533, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH }, 34 { PCI_VENDOR_ID_MATROX, 0x534, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_ER }, 35 { PCI_VENDOR_ID_MATROX, 0x536, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EW3 }, 36 { PCI_VENDOR_ID_MATROX, 0x538, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH3 }, 37 {0,} 38 }; 39 40 MODULE_DEVICE_TABLE(pci, pciidlist); 41 42 43 static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 44 { 45 drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "mgag200drmfb"); 46 47 return drm_get_pci_dev(pdev, ent, &driver); 48 } 49 50 static void mga_pci_remove(struct pci_dev *pdev) 51 { 52 struct drm_device *dev = pci_get_drvdata(pdev); 53 54 drm_put_dev(dev); 55 } 56 57 static const struct file_operations mgag200_driver_fops = { 58 .owner = THIS_MODULE, 59 .open = drm_open, 60 .release = drm_release, 61 .unlocked_ioctl = drm_ioctl, 62 .mmap = mgag200_mmap, 63 .poll = drm_poll, 64 .compat_ioctl = drm_compat_ioctl, 65 .read = drm_read, 66 }; 67 68 static struct drm_driver driver = { 69 .driver_features = DRIVER_GEM | DRIVER_MODESET, 70 .load = mgag200_driver_load, 71 .unload = mgag200_driver_unload, 72 .fops = &mgag200_driver_fops, 73 .name = DRIVER_NAME, 74 .desc = DRIVER_DESC, 75 .date = DRIVER_DATE, 76 .major = DRIVER_MAJOR, 77 .minor = DRIVER_MINOR, 78 .patchlevel = DRIVER_PATCHLEVEL, 79 80 .gem_free_object_unlocked = mgag200_gem_free_object, 81 .dumb_create = mgag200_dumb_create, 82 .dumb_map_offset = mgag200_dumb_mmap_offset, 83 }; 84 85 static struct pci_driver mgag200_pci_driver = { 86 .name = DRIVER_NAME, 87 .id_table = pciidlist, 88 .probe = mga_pci_probe, 89 .remove = mga_pci_remove, 90 }; 91 92 static int __init mgag200_init(void) 93 { 94 if (vgacon_text_force() && mgag200_modeset == -1) 95 return -EINVAL; 96 97 if (mgag200_modeset == 0) 98 return -EINVAL; 99 100 return pci_register_driver(&mgag200_pci_driver); 101 } 102 103 static void __exit mgag200_exit(void) 104 { 105 pci_unregister_driver(&mgag200_pci_driver); 106 } 107 108 module_init(mgag200_init); 109 module_exit(mgag200_exit); 110 111 MODULE_AUTHOR(DRIVER_AUTHOR); 112 MODULE_DESCRIPTION(DRIVER_DESC); 113 MODULE_LICENSE("GPL"); 114