1 /* 2 * Copyright 2012 Red Hat 3 * 4 * This file is subject to the terms and conditions of the GNU General 5 * Public License version 2. See the file COPYING in the main 6 * directory of this archive for more details. 7 * 8 * Authors: Matthew Garrett 9 * Dave Airlie 10 */ 11 #include <linux/module.h> 12 #include <linux/console.h> 13 #include <drm/drmP.h> 14 15 #include "mgag200_drv.h" 16 17 #include <drm/drm_pciids.h> 18 19 /* 20 * This is the generic driver code. This binds the driver to the drm core, 21 * which then performs further device association and calls our graphics init 22 * functions 23 */ 24 int mgag200_modeset = -1; 25 26 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 27 module_param_named(modeset, mgag200_modeset, int, 0400); 28 29 static struct drm_driver driver; 30 31 static const struct pci_device_id pciidlist[] = { 32 { PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A }, 33 { PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B }, 34 { PCI_VENDOR_ID_MATROX, 0x530, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EV }, 35 { PCI_VENDOR_ID_MATROX, 0x532, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_WB }, 36 { PCI_VENDOR_ID_MATROX, 0x533, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH }, 37 { PCI_VENDOR_ID_MATROX, 0x534, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_ER }, 38 { PCI_VENDOR_ID_MATROX, 0x536, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EW3 }, 39 { PCI_VENDOR_ID_MATROX, 0x538, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_EH3 }, 40 {0,} 41 }; 42 43 MODULE_DEVICE_TABLE(pci, pciidlist); 44 45 46 static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 47 { 48 drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, 0, "mgag200drmfb"); 49 50 return drm_get_pci_dev(pdev, ent, &driver); 51 } 52 53 static void mga_pci_remove(struct pci_dev *pdev) 54 { 55 struct drm_device *dev = pci_get_drvdata(pdev); 56 57 drm_put_dev(dev); 58 } 59 60 static const struct file_operations mgag200_driver_fops = { 61 .owner = THIS_MODULE, 62 .open = drm_open, 63 .release = drm_release, 64 .unlocked_ioctl = drm_ioctl, 65 .mmap = mgag200_mmap, 66 .poll = drm_poll, 67 .compat_ioctl = drm_compat_ioctl, 68 .read = drm_read, 69 }; 70 71 static struct drm_driver driver = { 72 .driver_features = DRIVER_GEM | DRIVER_MODESET, 73 .load = mgag200_driver_load, 74 .unload = mgag200_driver_unload, 75 .fops = &mgag200_driver_fops, 76 .name = DRIVER_NAME, 77 .desc = DRIVER_DESC, 78 .date = DRIVER_DATE, 79 .major = DRIVER_MAJOR, 80 .minor = DRIVER_MINOR, 81 .patchlevel = DRIVER_PATCHLEVEL, 82 83 .gem_free_object_unlocked = mgag200_gem_free_object, 84 .dumb_create = mgag200_dumb_create, 85 .dumb_map_offset = mgag200_dumb_mmap_offset, 86 }; 87 88 static struct pci_driver mgag200_pci_driver = { 89 .name = DRIVER_NAME, 90 .id_table = pciidlist, 91 .probe = mga_pci_probe, 92 .remove = mga_pci_remove, 93 }; 94 95 static int __init mgag200_init(void) 96 { 97 if (vgacon_text_force() && mgag200_modeset == -1) 98 return -EINVAL; 99 100 if (mgag200_modeset == 0) 101 return -EINVAL; 102 103 return pci_register_driver(&mgag200_pci_driver); 104 } 105 106 static void __exit mgag200_exit(void) 107 { 108 pci_unregister_driver(&mgag200_pci_driver); 109 } 110 111 module_init(mgag200_init); 112 module_exit(mgag200_exit); 113 114 MODULE_AUTHOR(DRIVER_AUTHOR); 115 MODULE_DESCRIPTION(DRIVER_DESC); 116 MODULE_LICENSE("GPL"); 117