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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
31#include <drm/drmP.h>
32#include <drm/drm_crtc_helper.h>
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 const struct pci_device_id 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 ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
64{
65 return drm_get_pci_dev(pdev, ent, &driver);
66}
67
68static void
69ast_pci_remove(struct pci_dev *pdev)
70{
71 struct drm_device *dev = pci_get_drvdata(pdev);
72
73 drm_put_dev(dev);
74}
75
76
77
78static int ast_drm_freeze(struct drm_device *dev)
79{
80 drm_kms_helper_poll_disable(dev);
81
82 pci_save_state(dev->pdev);
83
84 console_lock();
85 ast_fbdev_set_suspend(dev, 1);
86 console_unlock();
87 return 0;
88}
89
90static int ast_drm_thaw(struct drm_device *dev)
91{
92 int error = 0;
93
94 ast_post_gpu(dev);
95
96 drm_mode_config_reset(dev);
97 drm_helper_resume_force_mode(dev);
98
99 console_lock();
100 ast_fbdev_set_suspend(dev, 0);
101 console_unlock();
102 return error;
103}
104
105static int ast_drm_resume(struct drm_device *dev)
106{
107 int ret;
108
109 if (pci_enable_device(dev->pdev))
110 return -EIO;
111
112 ret = ast_drm_thaw(dev);
113 if (ret)
114 return ret;
115
116 drm_kms_helper_poll_enable(dev);
117 return 0;
118}
119
120static int ast_pm_suspend(struct device *dev)
121{
122 struct pci_dev *pdev = to_pci_dev(dev);
123 struct drm_device *ddev = pci_get_drvdata(pdev);
124 int error;
125
126 error = ast_drm_freeze(ddev);
127 if (error)
128 return error;
129
130 pci_disable_device(pdev);
131 pci_set_power_state(pdev, PCI_D3hot);
132 return 0;
133}
134static int ast_pm_resume(struct device *dev)
135{
136 struct pci_dev *pdev = to_pci_dev(dev);
137 struct drm_device *ddev = pci_get_drvdata(pdev);
138 return ast_drm_resume(ddev);
139}
140
141static int ast_pm_freeze(struct device *dev)
142{
143 struct pci_dev *pdev = to_pci_dev(dev);
144 struct drm_device *ddev = pci_get_drvdata(pdev);
145
146 if (!ddev || !ddev->dev_private)
147 return -ENODEV;
148 return ast_drm_freeze(ddev);
149
150}
151
152static int ast_pm_thaw(struct device *dev)
153{
154 struct pci_dev *pdev = to_pci_dev(dev);
155 struct drm_device *ddev = pci_get_drvdata(pdev);
156 return ast_drm_thaw(ddev);
157}
158
159static int ast_pm_poweroff(struct device *dev)
160{
161 struct pci_dev *pdev = to_pci_dev(dev);
162 struct drm_device *ddev = pci_get_drvdata(pdev);
163
164 return ast_drm_freeze(ddev);
165}
166
167static const struct dev_pm_ops ast_pm_ops = {
168 .suspend = ast_pm_suspend,
169 .resume = ast_pm_resume,
170 .freeze = ast_pm_freeze,
171 .thaw = ast_pm_thaw,
172 .poweroff = ast_pm_poweroff,
173 .restore = ast_pm_resume,
174};
175
176static struct pci_driver ast_pci_driver = {
177 .name = DRIVER_NAME,
178 .id_table = pciidlist,
179 .probe = ast_pci_probe,
180 .remove = ast_pci_remove,
181 .driver.pm = &ast_pm_ops,
182};
183
184static const struct file_operations ast_fops = {
185 .owner = THIS_MODULE,
186 .open = drm_open,
187 .release = drm_release,
188 .unlocked_ioctl = drm_ioctl,
189 .mmap = ast_mmap,
190 .poll = drm_poll,
191#ifdef CONFIG_COMPAT
192 .compat_ioctl = drm_compat_ioctl,
193#endif
194 .read = drm_read,
195};
196
197static struct drm_driver driver = {
198 .driver_features = DRIVER_MODESET | DRIVER_GEM,
199
200 .load = ast_driver_load,
201 .unload = ast_driver_unload,
202 .set_busid = drm_pci_set_busid,
203
204 .fops = &ast_fops,
205 .name = DRIVER_NAME,
206 .desc = DRIVER_DESC,
207 .date = DRIVER_DATE,
208 .major = DRIVER_MAJOR,
209 .minor = DRIVER_MINOR,
210 .patchlevel = DRIVER_PATCHLEVEL,
211
212 .gem_free_object = ast_gem_free_object,
213 .dumb_create = ast_dumb_create,
214 .dumb_map_offset = ast_dumb_mmap_offset,
215 .dumb_destroy = drm_gem_dumb_destroy,
216
217};
218
219static int __init ast_init(void)
220{
221#ifdef CONFIG_VGA_CONSOLE
222 if (vgacon_text_force() && ast_modeset == -1)
223 return -EINVAL;
224#endif
225
226 if (ast_modeset == 0)
227 return -EINVAL;
228 return drm_pci_init(&driver, &ast_pci_driver);
229}
230static void __exit ast_exit(void)
231{
232 drm_pci_exit(&driver, &ast_pci_driver);
233}
234
235module_init(ast_init);
236module_exit(ast_exit);
237
238MODULE_AUTHOR(DRIVER_AUTHOR);
239MODULE_DESCRIPTION(DRIVER_DESC);
240MODULE_LICENSE("GPL and additional rights");
241
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
31#include <drm/drmP.h>
32#include <drm/drm_crtc_helper.h>
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 ast_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
64{
65 return drm_get_pci_dev(pdev, ent, &driver);
66}
67
68static void
69ast_pci_remove(struct pci_dev *pdev)
70{
71 struct drm_device *dev = pci_get_drvdata(pdev);
72
73 drm_put_dev(dev);
74}
75
76
77
78static int ast_drm_freeze(struct drm_device *dev)
79{
80 drm_kms_helper_poll_disable(dev);
81
82 pci_save_state(dev->pdev);
83
84 console_lock();
85 ast_fbdev_set_suspend(dev, 1);
86 console_unlock();
87 return 0;
88}
89
90static int ast_drm_thaw(struct drm_device *dev)
91{
92 int error = 0;
93
94 ast_post_gpu(dev);
95
96 drm_mode_config_reset(dev);
97 drm_modeset_lock_all(dev);
98 drm_helper_resume_force_mode(dev);
99 drm_modeset_unlock_all(dev);
100
101 console_lock();
102 ast_fbdev_set_suspend(dev, 0);
103 console_unlock();
104 return error;
105}
106
107static int ast_drm_resume(struct drm_device *dev)
108{
109 int ret;
110
111 if (pci_enable_device(dev->pdev))
112 return -EIO;
113
114 ret = ast_drm_thaw(dev);
115 if (ret)
116 return ret;
117
118 drm_kms_helper_poll_enable(dev);
119 return 0;
120}
121
122static int ast_pm_suspend(struct device *dev)
123{
124 struct pci_dev *pdev = to_pci_dev(dev);
125 struct drm_device *ddev = pci_get_drvdata(pdev);
126 int error;
127
128 error = ast_drm_freeze(ddev);
129 if (error)
130 return error;
131
132 pci_disable_device(pdev);
133 pci_set_power_state(pdev, PCI_D3hot);
134 return 0;
135}
136static int ast_pm_resume(struct device *dev)
137{
138 struct pci_dev *pdev = to_pci_dev(dev);
139 struct drm_device *ddev = pci_get_drvdata(pdev);
140 return ast_drm_resume(ddev);
141}
142
143static int ast_pm_freeze(struct device *dev)
144{
145 struct pci_dev *pdev = to_pci_dev(dev);
146 struct drm_device *ddev = pci_get_drvdata(pdev);
147
148 if (!ddev || !ddev->dev_private)
149 return -ENODEV;
150 return ast_drm_freeze(ddev);
151
152}
153
154static int ast_pm_thaw(struct device *dev)
155{
156 struct pci_dev *pdev = to_pci_dev(dev);
157 struct drm_device *ddev = pci_get_drvdata(pdev);
158 return ast_drm_thaw(ddev);
159}
160
161static int ast_pm_poweroff(struct device *dev)
162{
163 struct pci_dev *pdev = to_pci_dev(dev);
164 struct drm_device *ddev = pci_get_drvdata(pdev);
165
166 return ast_drm_freeze(ddev);
167}
168
169static const struct dev_pm_ops ast_pm_ops = {
170 .suspend = ast_pm_suspend,
171 .resume = ast_pm_resume,
172 .freeze = ast_pm_freeze,
173 .thaw = ast_pm_thaw,
174 .poweroff = ast_pm_poweroff,
175 .restore = ast_pm_resume,
176};
177
178static struct pci_driver ast_pci_driver = {
179 .name = DRIVER_NAME,
180 .id_table = pciidlist,
181 .probe = ast_pci_probe,
182 .remove = ast_pci_remove,
183 .driver.pm = &ast_pm_ops,
184};
185
186static const struct file_operations ast_fops = {
187 .owner = THIS_MODULE,
188 .open = drm_open,
189 .release = drm_release,
190 .unlocked_ioctl = drm_ioctl,
191 .mmap = ast_mmap,
192 .poll = drm_poll,
193#ifdef CONFIG_COMPAT
194 .compat_ioctl = drm_compat_ioctl,
195#endif
196 .read = drm_read,
197};
198
199static struct drm_driver driver = {
200 .driver_features = DRIVER_MODESET | DRIVER_GEM,
201 .dev_priv_size = 0,
202
203 .load = ast_driver_load,
204 .unload = ast_driver_unload,
205
206 .fops = &ast_fops,
207 .name = DRIVER_NAME,
208 .desc = DRIVER_DESC,
209 .date = DRIVER_DATE,
210 .major = DRIVER_MAJOR,
211 .minor = DRIVER_MINOR,
212 .patchlevel = DRIVER_PATCHLEVEL,
213
214 .gem_free_object = ast_gem_free_object,
215 .dumb_create = ast_dumb_create,
216 .dumb_map_offset = ast_dumb_mmap_offset,
217 .dumb_destroy = drm_gem_dumb_destroy,
218
219};
220
221static int __init ast_init(void)
222{
223#ifdef CONFIG_VGA_CONSOLE
224 if (vgacon_text_force() && ast_modeset == -1)
225 return -EINVAL;
226#endif
227
228 if (ast_modeset == 0)
229 return -EINVAL;
230 return drm_pci_init(&driver, &ast_pci_driver);
231}
232static void __exit ast_exit(void)
233{
234 drm_pci_exit(&driver, &ast_pci_driver);
235}
236
237module_init(ast_init);
238module_exit(ast_exit);
239
240MODULE_AUTHOR(DRIVER_AUTHOR);
241MODULE_DESCRIPTION(DRIVER_DESC);
242MODULE_LICENSE("GPL and additional rights");
243