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29#include <linux/module.h>
30#include <linux/console.h>
31#include <linux/pci.h>
32#include "drmP.h"
33#include "drm/drm.h"
34
35#include "virtgpu_drv.h"
36static struct drm_driver driver;
37
38static int virtio_gpu_modeset = -1;
39
40MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
41module_param_named(modeset, virtio_gpu_modeset, int, 0400);
42
43static int virtio_gpu_probe(struct virtio_device *vdev)
44{
45#ifdef CONFIG_VGA_CONSOLE
46 if (vgacon_text_force() && virtio_gpu_modeset == -1)
47 return -EINVAL;
48#endif
49
50 if (virtio_gpu_modeset == 0)
51 return -EINVAL;
52
53 return drm_virtio_init(&driver, vdev);
54}
55
56static void virtio_gpu_remove(struct virtio_device *vdev)
57{
58 struct drm_device *dev = vdev->priv;
59 drm_put_dev(dev);
60}
61
62static void virtio_gpu_config_changed(struct virtio_device *vdev)
63{
64 struct drm_device *dev = vdev->priv;
65 struct virtio_gpu_device *vgdev = dev->dev_private;
66
67 schedule_work(&vgdev->config_changed_work);
68}
69
70static struct virtio_device_id id_table[] = {
71 { VIRTIO_ID_GPU, VIRTIO_DEV_ANY_ID },
72 { 0 },
73};
74
75static unsigned int features[] = {
76#ifdef __LITTLE_ENDIAN
77
78
79
80
81
82 VIRTIO_GPU_F_VIRGL,
83#endif
84};
85static struct virtio_driver virtio_gpu_driver = {
86 .feature_table = features,
87 .feature_table_size = ARRAY_SIZE(features),
88 .driver.name = KBUILD_MODNAME,
89 .driver.owner = THIS_MODULE,
90 .id_table = id_table,
91 .probe = virtio_gpu_probe,
92 .remove = virtio_gpu_remove,
93 .config_changed = virtio_gpu_config_changed
94};
95
96module_virtio_driver(virtio_gpu_driver);
97
98MODULE_DEVICE_TABLE(virtio, id_table);
99MODULE_DESCRIPTION("Virtio GPU driver");
100MODULE_LICENSE("GPL and additional rights");
101MODULE_AUTHOR("Dave Airlie <airlied@redhat.com>");
102MODULE_AUTHOR("Gerd Hoffmann <kraxel@redhat.com>");
103MODULE_AUTHOR("Alon Levy");
104
105static const struct file_operations virtio_gpu_driver_fops = {
106 .owner = THIS_MODULE,
107 .open = drm_open,
108 .mmap = virtio_gpu_mmap,
109 .poll = drm_poll,
110 .read = drm_read,
111 .unlocked_ioctl = drm_ioctl,
112 .release = drm_release,
113#ifdef CONFIG_COMPAT
114 .compat_ioctl = drm_compat_ioctl,
115#endif
116 .llseek = noop_llseek,
117};
118
119
120static struct drm_driver driver = {
121 .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME | DRIVER_RENDER,
122 .set_busid = drm_virtio_set_busid,
123 .load = virtio_gpu_driver_load,
124 .unload = virtio_gpu_driver_unload,
125 .open = virtio_gpu_driver_open,
126 .postclose = virtio_gpu_driver_postclose,
127
128 .dumb_create = virtio_gpu_mode_dumb_create,
129 .dumb_map_offset = virtio_gpu_mode_dumb_mmap,
130 .dumb_destroy = virtio_gpu_mode_dumb_destroy,
131
132#if defined(CONFIG_DEBUG_FS)
133 .debugfs_init = virtio_gpu_debugfs_init,
134 .debugfs_cleanup = virtio_gpu_debugfs_takedown,
135#endif
136 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
137 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
138 .gem_prime_export = drm_gem_prime_export,
139 .gem_prime_import = drm_gem_prime_import,
140 .gem_prime_pin = virtgpu_gem_prime_pin,
141 .gem_prime_unpin = virtgpu_gem_prime_unpin,
142 .gem_prime_get_sg_table = virtgpu_gem_prime_get_sg_table,
143 .gem_prime_import_sg_table = virtgpu_gem_prime_import_sg_table,
144 .gem_prime_vmap = virtgpu_gem_prime_vmap,
145 .gem_prime_vunmap = virtgpu_gem_prime_vunmap,
146 .gem_prime_mmap = virtgpu_gem_prime_mmap,
147
148 .gem_free_object = virtio_gpu_gem_free_object,
149 .gem_open_object = virtio_gpu_gem_object_open,
150 .gem_close_object = virtio_gpu_gem_object_close,
151 .fops = &virtio_gpu_driver_fops,
152
153 .ioctls = virtio_gpu_ioctls,
154 .num_ioctls = DRM_VIRTIO_NUM_IOCTLS,
155
156 .name = DRIVER_NAME,
157 .desc = DRIVER_DESC,
158 .date = DRIVER_DATE,
159 .major = DRIVER_MAJOR,
160 .minor = DRIVER_MINOR,
161 .patchlevel = DRIVER_PATCHLEVEL,
162};
163