2 * Copyright 2012 Red Hat <mjg@redhat.com>
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.
8 * Authors: Matthew Garrett
11 #include <linux/module.h>
12 #include <linux/console.h>
15 #include "cirrus_drv.h"
17 int cirrus_modeset
= -1;
19 MODULE_PARM_DESC(modeset
, "Disable/Enable modesetting");
20 module_param_named(modeset
, cirrus_modeset
, int, 0400);
23 * This is the generic driver code. This binds the driver to the drm core,
24 * which then performs further device association and calls our graphics init
28 static struct drm_driver driver
;
30 /* only bind to the cirrus chip in qemu */
31 static DEFINE_PCI_DEVICE_TABLE(pciidlist
) = {
32 { PCI_VENDOR_ID_CIRRUS
, PCI_DEVICE_ID_CIRRUS_5446
, 0x1af4, 0x1100, 0,
38 static void cirrus_kick_out_firmware_fb(struct pci_dev
*pdev
)
40 struct apertures_struct
*ap
;
43 ap
= alloc_apertures(1);
44 ap
->ranges
[0].base
= pci_resource_start(pdev
, 0);
45 ap
->ranges
[0].size
= pci_resource_len(pdev
, 0);
48 primary
= pdev
->resource
[PCI_ROM_RESOURCE
].flags
& IORESOURCE_ROM_SHADOW
;
50 remove_conflicting_framebuffers(ap
, "cirrusdrmfb", primary
);
55 cirrus_pci_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
57 cirrus_kick_out_firmware_fb(pdev
);
59 return drm_get_pci_dev(pdev
, ent
, &driver
);
62 static void cirrus_pci_remove(struct pci_dev
*pdev
)
64 struct drm_device
*dev
= pci_get_drvdata(pdev
);
69 static const struct file_operations cirrus_driver_fops
= {
72 .release
= drm_release
,
73 .unlocked_ioctl
= drm_ioctl
,
77 .compat_ioctl
= drm_compat_ioctl
,
81 static struct drm_driver driver
= {
82 .driver_features
= DRIVER_MODESET
| DRIVER_GEM
| DRIVER_USE_MTRR
,
83 .load
= cirrus_driver_load
,
84 .unload
= cirrus_driver_unload
,
85 .fops
= &cirrus_driver_fops
,
89 .major
= DRIVER_MAJOR
,
90 .minor
= DRIVER_MINOR
,
91 .patchlevel
= DRIVER_PATCHLEVEL
,
92 .gem_init_object
= cirrus_gem_init_object
,
93 .gem_free_object
= cirrus_gem_free_object
,
94 .dumb_create
= cirrus_dumb_create
,
95 .dumb_map_offset
= cirrus_dumb_mmap_offset
,
96 .dumb_destroy
= cirrus_dumb_destroy
,
99 static struct pci_driver cirrus_pci_driver
= {
101 .id_table
= pciidlist
,
102 .probe
= cirrus_pci_probe
,
103 .remove
= cirrus_pci_remove
,
106 static int __init
cirrus_init(void)
108 #ifdef CONFIG_VGA_CONSOLE
109 if (vgacon_text_force() && cirrus_modeset
== -1)
113 if (cirrus_modeset
== 0)
115 return drm_pci_init(&driver
, &cirrus_pci_driver
);
118 static void __exit
cirrus_exit(void)
120 drm_pci_exit(&driver
, &cirrus_pci_driver
);
123 module_init(cirrus_init
);
124 module_exit(cirrus_exit
);
126 MODULE_DEVICE_TABLE(pci
, pciidlist
);
127 MODULE_AUTHOR(DRIVER_AUTHOR
);
128 MODULE_DESCRIPTION(DRIVER_DESC
);
129 MODULE_LICENSE("GPL");