Commit | Line | Data |
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0a6659bd GH |
1 | /* |
2 | * This program is free software; you can redistribute it and/or modify | |
3 | * it under the terms of the GNU General Public License as published by | |
4 | * the Free Software Foundation; either version 2 of the License, or | |
5 | * (at your option) any later version. | |
6 | */ | |
7 | ||
8 | #include <linux/mm.h> | |
9 | #include <linux/module.h> | |
10 | #include <linux/slab.h> | |
11 | ||
12 | #include "bochs.h" | |
13 | ||
14 | static bool enable_fbdev = true; | |
15 | module_param_named(fbdev, enable_fbdev, bool, 0444); | |
16 | MODULE_PARM_DESC(fbdev, "register fbdev device"); | |
17 | ||
18 | /* ---------------------------------------------------------------------- */ | |
19 | /* drm interface */ | |
20 | ||
21 | static int bochs_unload(struct drm_device *dev) | |
22 | { | |
23 | struct bochs_device *bochs = dev->dev_private; | |
24 | ||
25 | bochs_fbdev_fini(bochs); | |
26 | bochs_kms_fini(bochs); | |
27 | bochs_mm_fini(bochs); | |
28 | bochs_hw_fini(dev); | |
29 | kfree(bochs); | |
30 | dev->dev_private = NULL; | |
31 | return 0; | |
32 | } | |
33 | ||
34 | static int bochs_load(struct drm_device *dev, unsigned long flags) | |
35 | { | |
36 | struct bochs_device *bochs; | |
37 | int ret; | |
38 | ||
39 | bochs = kzalloc(sizeof(*bochs), GFP_KERNEL); | |
40 | if (bochs == NULL) | |
41 | return -ENOMEM; | |
42 | dev->dev_private = bochs; | |
43 | bochs->dev = dev; | |
44 | ||
45 | ret = bochs_hw_init(dev, flags); | |
46 | if (ret) | |
47 | goto err; | |
48 | ||
49 | ret = bochs_mm_init(bochs); | |
50 | if (ret) | |
51 | goto err; | |
52 | ||
53 | ret = bochs_kms_init(bochs); | |
54 | if (ret) | |
55 | goto err; | |
56 | ||
57 | if (enable_fbdev) | |
58 | bochs_fbdev_init(bochs); | |
59 | ||
60 | return 0; | |
61 | ||
62 | err: | |
63 | bochs_unload(dev); | |
64 | return ret; | |
65 | } | |
66 | ||
67 | static const struct file_operations bochs_fops = { | |
68 | .owner = THIS_MODULE, | |
69 | .open = drm_open, | |
70 | .release = drm_release, | |
71 | .unlocked_ioctl = drm_ioctl, | |
72 | #ifdef CONFIG_COMPAT | |
73 | .compat_ioctl = drm_compat_ioctl, | |
74 | #endif | |
75 | .poll = drm_poll, | |
76 | .read = drm_read, | |
77 | .llseek = no_llseek, | |
78 | .mmap = bochs_mmap, | |
79 | }; | |
80 | ||
81 | static struct drm_driver bochs_driver = { | |
82 | .driver_features = DRIVER_GEM | DRIVER_MODESET, | |
83 | .load = bochs_load, | |
84 | .unload = bochs_unload, | |
915b4d11 | 85 | .set_busid = drm_pci_set_busid, |
0a6659bd GH |
86 | .fops = &bochs_fops, |
87 | .name = "bochs-drm", | |
88 | .desc = "bochs dispi vga interface (qemu stdvga)", | |
89 | .date = "20130925", | |
90 | .major = 1, | |
91 | .minor = 0, | |
92 | .gem_free_object = bochs_gem_free_object, | |
93 | .dumb_create = bochs_dumb_create, | |
94 | .dumb_map_offset = bochs_dumb_mmap_offset, | |
95 | .dumb_destroy = drm_gem_dumb_destroy, | |
96 | }; | |
97 | ||
b8ccd70f GH |
98 | /* ---------------------------------------------------------------------- */ |
99 | /* pm interface */ | |
100 | ||
150cee9c | 101 | #ifdef CONFIG_PM_SLEEP |
b8ccd70f GH |
102 | static int bochs_pm_suspend(struct device *dev) |
103 | { | |
104 | struct pci_dev *pdev = to_pci_dev(dev); | |
105 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
106 | struct bochs_device *bochs = drm_dev->dev_private; | |
107 | ||
108 | drm_kms_helper_poll_disable(drm_dev); | |
109 | ||
110 | if (bochs->fb.initialized) { | |
111 | console_lock(); | |
6a752972 | 112 | drm_fb_helper_set_suspend(&bochs->fb.helper, 1); |
b8ccd70f GH |
113 | console_unlock(); |
114 | } | |
115 | ||
116 | return 0; | |
117 | } | |
118 | ||
119 | static int bochs_pm_resume(struct device *dev) | |
120 | { | |
121 | struct pci_dev *pdev = to_pci_dev(dev); | |
122 | struct drm_device *drm_dev = pci_get_drvdata(pdev); | |
123 | struct bochs_device *bochs = drm_dev->dev_private; | |
124 | ||
125 | drm_helper_resume_force_mode(drm_dev); | |
126 | ||
127 | if (bochs->fb.initialized) { | |
128 | console_lock(); | |
6a752972 | 129 | drm_fb_helper_set_suspend(&bochs->fb.helper, 0); |
b8ccd70f GH |
130 | console_unlock(); |
131 | } | |
132 | ||
133 | drm_kms_helper_poll_enable(drm_dev); | |
134 | return 0; | |
135 | } | |
150cee9c | 136 | #endif |
b8ccd70f GH |
137 | |
138 | static const struct dev_pm_ops bochs_pm_ops = { | |
139 | SET_SYSTEM_SLEEP_PM_OPS(bochs_pm_suspend, | |
140 | bochs_pm_resume) | |
141 | }; | |
142 | ||
0a6659bd GH |
143 | /* ---------------------------------------------------------------------- */ |
144 | /* pci interface */ | |
145 | ||
146 | static int bochs_kick_out_firmware_fb(struct pci_dev *pdev) | |
147 | { | |
148 | struct apertures_struct *ap; | |
149 | ||
150 | ap = alloc_apertures(1); | |
151 | if (!ap) | |
152 | return -ENOMEM; | |
153 | ||
154 | ap->ranges[0].base = pci_resource_start(pdev, 0); | |
155 | ap->ranges[0].size = pci_resource_len(pdev, 0); | |
156 | remove_conflicting_framebuffers(ap, "bochsdrmfb", false); | |
157 | kfree(ap); | |
158 | ||
159 | return 0; | |
160 | } | |
161 | ||
162 | static int bochs_pci_probe(struct pci_dev *pdev, | |
163 | const struct pci_device_id *ent) | |
164 | { | |
165 | int ret; | |
166 | ||
167 | ret = bochs_kick_out_firmware_fb(pdev); | |
168 | if (ret) | |
169 | return ret; | |
170 | ||
171 | return drm_get_pci_dev(pdev, ent, &bochs_driver); | |
172 | } | |
173 | ||
174 | static void bochs_pci_remove(struct pci_dev *pdev) | |
175 | { | |
176 | struct drm_device *dev = pci_get_drvdata(pdev); | |
177 | ||
178 | drm_put_dev(dev); | |
179 | } | |
180 | ||
9baa3c34 | 181 | static const struct pci_device_id bochs_pci_tbl[] = { |
0a6659bd GH |
182 | { |
183 | .vendor = 0x1234, | |
184 | .device = 0x1111, | |
185 | .subvendor = 0x1af4, | |
186 | .subdevice = 0x1100, | |
187 | .driver_data = BOCHS_QEMU_STDVGA, | |
188 | }, | |
189 | { | |
190 | .vendor = 0x1234, | |
191 | .device = 0x1111, | |
192 | .subvendor = PCI_ANY_ID, | |
193 | .subdevice = PCI_ANY_ID, | |
194 | .driver_data = BOCHS_UNKNOWN, | |
195 | }, | |
196 | { /* end of list */ } | |
197 | }; | |
198 | ||
199 | static struct pci_driver bochs_pci_driver = { | |
200 | .name = "bochs-drm", | |
201 | .id_table = bochs_pci_tbl, | |
202 | .probe = bochs_pci_probe, | |
203 | .remove = bochs_pci_remove, | |
b8ccd70f | 204 | .driver.pm = &bochs_pm_ops, |
0a6659bd GH |
205 | }; |
206 | ||
207 | /* ---------------------------------------------------------------------- */ | |
208 | /* module init/exit */ | |
209 | ||
210 | static int __init bochs_init(void) | |
211 | { | |
212 | return drm_pci_init(&bochs_driver, &bochs_pci_driver); | |
213 | } | |
214 | ||
215 | static void __exit bochs_exit(void) | |
216 | { | |
217 | drm_pci_exit(&bochs_driver, &bochs_pci_driver); | |
218 | } | |
219 | ||
220 | module_init(bochs_init); | |
221 | module_exit(bochs_exit); | |
222 | ||
223 | MODULE_DEVICE_TABLE(pci, bochs_pci_tbl); | |
224 | MODULE_AUTHOR("Gerd Hoffmann <kraxel@redhat.com>"); | |
225 | MODULE_LICENSE("GPL"); |