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