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 if (!ap) 51 return; 52 53 ap->ranges[0].base = pci_resource_start(pdev, 0); 54 ap->ranges[0].size = pci_resource_len(pdev, 0); 55 56 #ifdef CONFIG_X86 57 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW; 58 #endif 59 remove_conflicting_framebuffers(ap, "mgag200drmfb", primary); 60 kfree(ap); 61 } 62 63 64 static int __devinit 65 mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 66 { 67 mgag200_kick_out_firmware_fb(pdev); 68 69 return drm_get_pci_dev(pdev, ent, &driver); 70 } 71 72 static void mga_pci_remove(struct pci_dev *pdev) 73 { 74 struct drm_device *dev = pci_get_drvdata(pdev); 75 76 drm_put_dev(dev); 77 } 78 79 static const struct file_operations mgag200_driver_fops = { 80 .owner = THIS_MODULE, 81 .open = drm_open, 82 .release = drm_release, 83 .unlocked_ioctl = drm_ioctl, 84 .mmap = mgag200_mmap, 85 .poll = drm_poll, 86 .fasync = drm_fasync, 87 #ifdef CONFIG_COMPAT 88 .compat_ioctl = drm_compat_ioctl, 89 #endif 90 .read = drm_read, 91 }; 92 93 static struct drm_driver driver = { 94 .driver_features = DRIVER_GEM | DRIVER_MODESET | DRIVER_USE_MTRR, 95 .load = mgag200_driver_load, 96 .unload = mgag200_driver_unload, 97 .fops = &mgag200_driver_fops, 98 .name = DRIVER_NAME, 99 .desc = DRIVER_DESC, 100 .date = DRIVER_DATE, 101 .major = DRIVER_MAJOR, 102 .minor = DRIVER_MINOR, 103 .patchlevel = DRIVER_PATCHLEVEL, 104 105 .gem_init_object = mgag200_gem_init_object, 106 .gem_free_object = mgag200_gem_free_object, 107 .dumb_create = mgag200_dumb_create, 108 .dumb_map_offset = mgag200_dumb_mmap_offset, 109 .dumb_destroy = mgag200_dumb_destroy, 110 }; 111 112 static struct pci_driver mgag200_pci_driver = { 113 .name = DRIVER_NAME, 114 .id_table = pciidlist, 115 .probe = mga_pci_probe, 116 .remove = mga_pci_remove, 117 }; 118 119 static int __init mgag200_init(void) 120 { 121 #ifdef CONFIG_VGA_CONSOLE 122 if (vgacon_text_force() && mgag200_modeset == -1) 123 return -EINVAL; 124 #endif 125 126 if (mgag200_modeset == 0) 127 return -EINVAL; 128 return drm_pci_init(&driver, &mgag200_pci_driver); 129 } 130 131 static void __exit mgag200_exit(void) 132 { 133 drm_pci_exit(&driver, &mgag200_pci_driver); 134 } 135 136 module_init(mgag200_init); 137 module_exit(mgag200_exit); 138 139 MODULE_AUTHOR(DRIVER_AUTHOR); 140 MODULE_DESCRIPTION(DRIVER_DESC); 141 MODULE_LICENSE("GPL"); 142