UAPI: (Scripted) Convert #include "..." to #include <path/...> in drivers/gpu/
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / gpu / drm / ast / ast_drv.c
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1/*
2 * Copyright 2012 Red Hat Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sub license, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
14 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
15 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
17 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
18 * USE OR OTHER DEALINGS IN THE SOFTWARE.
19 *
20 * The above copyright notice and this permission notice (including the
21 * next paragraph) shall be included in all copies or substantial portions
22 * of the Software.
23 *
24 */
25/*
26 * Authors: Dave Airlie <airlied@redhat.com>
27 */
28#include <linux/module.h>
29#include <linux/console.h>
30
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31#include <drm/drmP.h>
32#include <drm/drm_crtc_helper.h>
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33
34#include "ast_drv.h"
35
36int ast_modeset = -1;
37
38MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
39module_param_named(modeset, ast_modeset, int, 0400);
40
41#define PCI_VENDOR_ASPEED 0x1a03
42
43static struct drm_driver driver;
44
45#define AST_VGA_DEVICE(id, info) { \
46 .class = PCI_BASE_CLASS_DISPLAY << 16, \
47 .class_mask = 0xff0000, \
48 .vendor = PCI_VENDOR_ASPEED, \
49 .device = id, \
50 .subvendor = PCI_ANY_ID, \
51 .subdevice = PCI_ANY_ID, \
52 .driver_data = (unsigned long) info }
53
54static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
55 AST_VGA_DEVICE(PCI_CHIP_AST2000, NULL),
56 AST_VGA_DEVICE(PCI_CHIP_AST2100, NULL),
57 /* AST_VGA_DEVICE(PCI_CHIP_AST1180, NULL), - don't bind to 1180 for now */
58 {0, 0, 0},
59};
60
61MODULE_DEVICE_TABLE(pci, pciidlist);
62
63static int __devinit
64ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
65{
66 return drm_get_pci_dev(pdev, ent, &driver);
67}
68
69static void
70ast_pci_remove(struct pci_dev *pdev)
71{
72 struct drm_device *dev = pci_get_drvdata(pdev);
73
74 drm_put_dev(dev);
75}
76
77
78
79static int ast_drm_freeze(struct drm_device *dev)
80{
81 drm_kms_helper_poll_disable(dev);
82
83 pci_save_state(dev->pdev);
84
85 console_lock();
86 ast_fbdev_set_suspend(dev, 1);
87 console_unlock();
88 return 0;
89}
90
91static int ast_drm_thaw(struct drm_device *dev)
92{
93 int error = 0;
94
95 ast_post_gpu(dev);
96
97 drm_mode_config_reset(dev);
98 mutex_lock(&dev->mode_config.mutex);
99 drm_helper_resume_force_mode(dev);
100 mutex_unlock(&dev->mode_config.mutex);
101
102 console_lock();
103 ast_fbdev_set_suspend(dev, 0);
104 console_unlock();
105 return error;
106}
107
108static int ast_drm_resume(struct drm_device *dev)
109{
110 int ret;
111
112 if (pci_enable_device(dev->pdev))
113 return -EIO;
114
115 ret = ast_drm_thaw(dev);
116 if (ret)
117 return ret;
118
119 drm_kms_helper_poll_enable(dev);
120 return 0;
121}
122
123static int ast_pm_suspend(struct device *dev)
124{
125 struct pci_dev *pdev = to_pci_dev(dev);
126 struct drm_device *ddev = pci_get_drvdata(pdev);
127 int error;
128
129 error = ast_drm_freeze(ddev);
130 if (error)
131 return error;
132
133 pci_disable_device(pdev);
134 pci_set_power_state(pdev, PCI_D3hot);
135 return 0;
136}
137static int ast_pm_resume(struct device *dev)
138{
139 struct pci_dev *pdev = to_pci_dev(dev);
140 struct drm_device *ddev = pci_get_drvdata(pdev);
141 return ast_drm_resume(ddev);
142}
143
144static int ast_pm_freeze(struct device *dev)
145{
146 struct pci_dev *pdev = to_pci_dev(dev);
147 struct drm_device *ddev = pci_get_drvdata(pdev);
148
149 if (!ddev || !ddev->dev_private)
150 return -ENODEV;
151 return ast_drm_freeze(ddev);
152
153}
154
155static int ast_pm_thaw(struct device *dev)
156{
157 struct pci_dev *pdev = to_pci_dev(dev);
158 struct drm_device *ddev = pci_get_drvdata(pdev);
159 return ast_drm_thaw(ddev);
160}
161
162static int ast_pm_poweroff(struct device *dev)
163{
164 struct pci_dev *pdev = to_pci_dev(dev);
165 struct drm_device *ddev = pci_get_drvdata(pdev);
166
167 return ast_drm_freeze(ddev);
168}
169
170static const struct dev_pm_ops ast_pm_ops = {
171 .suspend = ast_pm_suspend,
172 .resume = ast_pm_resume,
173 .freeze = ast_pm_freeze,
174 .thaw = ast_pm_thaw,
175 .poweroff = ast_pm_poweroff,
176 .restore = ast_pm_resume,
177};
178
179static struct pci_driver ast_pci_driver = {
180 .name = DRIVER_NAME,
181 .id_table = pciidlist,
182 .probe = ast_pci_probe,
183 .remove = ast_pci_remove,
184 .driver.pm = &ast_pm_ops,
185};
186
187static const struct file_operations ast_fops = {
188 .owner = THIS_MODULE,
189 .open = drm_open,
190 .release = drm_release,
191 .unlocked_ioctl = drm_ioctl,
192 .mmap = ast_mmap,
193 .poll = drm_poll,
194 .fasync = drm_fasync,
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195#ifdef CONFIG_COMPAT
196 .compat_ioctl = drm_compat_ioctl,
197#endif
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198 .read = drm_read,
199};
200
201static struct drm_driver driver = {
202 .driver_features = DRIVER_USE_MTRR | DRIVER_MODESET | DRIVER_GEM,
203 .dev_priv_size = 0,
204
205 .load = ast_driver_load,
206 .unload = ast_driver_unload,
207
208 .fops = &ast_fops,
209 .name = DRIVER_NAME,
210 .desc = DRIVER_DESC,
211 .date = DRIVER_DATE,
212 .major = DRIVER_MAJOR,
213 .minor = DRIVER_MINOR,
214 .patchlevel = DRIVER_PATCHLEVEL,
215
216 .gem_init_object = ast_gem_init_object,
217 .gem_free_object = ast_gem_free_object,
218 .dumb_create = ast_dumb_create,
219 .dumb_map_offset = ast_dumb_mmap_offset,
220 .dumb_destroy = ast_dumb_destroy,
221
222};
223
224static int __init ast_init(void)
225{
4688a69d 226#ifdef CONFIG_VGA_CONSOLE
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227 if (vgacon_text_force() && ast_modeset == -1)
228 return -EINVAL;
4688a69d 229#endif
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230
231 if (ast_modeset == 0)
232 return -EINVAL;
233 return drm_pci_init(&driver, &ast_pci_driver);
234}
235static void __exit ast_exit(void)
236{
237 drm_pci_exit(&driver, &ast_pci_driver);
238}
239
240module_init(ast_init);
241module_exit(ast_exit);
242
243MODULE_AUTHOR(DRIVER_AUTHOR);
244MODULE_DESCRIPTION(DRIVER_DESC);
245MODULE_LICENSE("GPL and additional rights");
246