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 "drmP.h" 14 #include "drm.h" 15 16 #include "mgag200_drv.h" 17 18 #include "drm_pciids.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 DEFINE_PCI_DEVICE_TABLE(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 {0,} 40 }; 41 42 MODULE_DEVICE_TABLE(pci, pciidlist); 43 44 static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev) 45 { 46 struct apertures_struct *ap; 47 bool primary = false; 48 49 ap = alloc_apertures(1); 50 ap->ranges[0].base = pci_resource_start(pdev, 0); 51 ap->ranges[0].size = pci_resource_len(pdev, 0); 52 53 #ifdef CONFIG_X86 54 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 55 #endif 56 remove_conflicting_framebuffers(ap, "mgag200drmfb", primary); 57 kfree(ap); 58 } 59 60 61 static int __devinit 62 mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 63 { 64 mgag200_kick_out_firmware_fb(pdev); 65 66 return drm_get_pci_dev(pdev, ent, &driver); 67 } 68 69 static void mga_pci_remove(struct pci_dev *pdev) 70 { 71 struct drm_device *dev = pci_get_drvdata(pdev); 72 73 drm_put_dev(dev); 74 } 75 76 static const struct file_operations mgag200_driver_fops = { 77 .owner = THIS_MODULE, 78 .open = drm_open, 79 .release = drm_release, 80 .unlocked_ioctl = drm_ioctl, 81 .mmap = mgag200_mmap, 82 .poll = drm_poll, 83 .fasync = drm_fasync, 84 .read = drm_read, 85 }; 86 87 static struct drm_driver driver = { 88 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_USE_MTRR, 89 .load = mgag200_driver_load, 90 .unload = mgag200_driver_unload, 91 .fops = &mgag200_driver_fops, 92 .name = DRIVER_NAME, 93 .desc = DRIVER_DESC, 94 .date = DRIVER_DATE, 95 .major = DRIVER_MAJOR, 96 .minor = DRIVER_MINOR, 97 .patchlevel = DRIVER_PATCHLEVEL, 98 99 .gem_init_object = mgag200_gem_init_object, 100 .gem_free_object = mgag200_gem_free_object, 101 .dumb_create = mgag200_dumb_create, 102 .dumb_map_offset = mgag200_dumb_mmap_offset, 103 .dumb_destroy = mgag200_dumb_destroy, 104 }; 105 106 static struct pci_driver mgag200_pci_driver = { 107 .name = DRIVER_NAME, 108 .id_table = pciidlist, 109 .probe = mga_pci_probe, 110 .remove = mga_pci_remove, 111 }; 112 113 static int __init mgag200_init(void) 114 { 115 #ifdef CONFIG_VGA_CONSOLE 116 if (vgacon_text_force() && mgag200_modeset == -1) 117 return -EINVAL; 118 #endif 119 120 if (mgag200_modeset == 0) 121 return -EINVAL; 122 return drm_pci_init(&driver, &mgag200_pci_driver); 123 } 124 125 static void __exit mgag200_exit(void) 126 { 127 drm_pci_exit(&driver, &mgag200_pci_driver); 128 } 129 130 module_init(mgag200_init); 131 module_exit(mgag200_exit); 132 133 MODULE_AUTHOR(DRIVER_AUTHOR); 134 MODULE_DESCRIPTION(DRIVER_DESC); 135 MODULE_LICENSE("GPL"); 136