vga_switcheroo: initial implementation (v15)
[linux-2.6.git] / drivers / gpu / drm / radeon / radeon_drv.c
1 /**
2  * \file radeon_drv.c
3  * ATI Radeon driver
4  *
5  * \author Gareth Hughes <gareth@valinux.com>
6  */
7
8 /*
9  * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10  * All Rights Reserved.
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice (including the next
20  * paragraph) shall be included in all copies or substantial portions of the
21  * Software.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26  * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29  * OTHER DEALINGS IN THE SOFTWARE.
30  */
31
32 #include "drmP.h"
33 #include "drm.h"
34 #include "radeon_drm.h"
35 #include "radeon_drv.h"
36
37 #include "drm_pciids.h"
38 #include <linux/console.h>
39
40
41 /*
42  * KMS wrapper.
43  */
44 #define KMS_DRIVER_MAJOR        2
45 #define KMS_DRIVER_MINOR        0
46 #define KMS_DRIVER_PATCHLEVEL   0
47 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
48 int radeon_driver_unload_kms(struct drm_device *dev);
49 int radeon_driver_firstopen_kms(struct drm_device *dev);
50 void radeon_driver_lastclose_kms(struct drm_device *dev);
51 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
52 void radeon_driver_postclose_kms(struct drm_device *dev,
53                                  struct drm_file *file_priv);
54 void radeon_driver_preclose_kms(struct drm_device *dev,
55                                 struct drm_file *file_priv);
56 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
57 int radeon_resume_kms(struct drm_device *dev);
58 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
59 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
60 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
61 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
62 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
63 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
64 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
65 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
66                          struct drm_file *file_priv);
67 int radeon_gem_object_init(struct drm_gem_object *obj);
68 void radeon_gem_object_free(struct drm_gem_object *obj);
69 extern struct drm_ioctl_desc radeon_ioctls_kms[];
70 extern int radeon_max_kms_ioctl;
71 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
72 #if defined(CONFIG_DEBUG_FS)
73 int radeon_debugfs_init(struct drm_minor *minor);
74 void radeon_debugfs_cleanup(struct drm_minor *minor);
75 #endif
76
77
78 int radeon_no_wb;
79 int radeon_modeset = -1;
80 int radeon_dynclks = -1;
81 int radeon_r4xx_atom = 0;
82 int radeon_agpmode = 0;
83 int radeon_vram_limit = 0;
84 int radeon_gart_size = 512; /* default gart size */
85 int radeon_benchmarking = 0;
86 int radeon_testing = 0;
87 int radeon_connector_table = 0;
88 int radeon_tv = 1;
89 int radeon_new_pll = 1;
90 int radeon_audio = 1;
91
92 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
93 module_param_named(no_wb, radeon_no_wb, int, 0444);
94
95 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
96 module_param_named(modeset, radeon_modeset, int, 0400);
97
98 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
99 module_param_named(dynclks, radeon_dynclks, int, 0444);
100
101 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
102 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
103
104 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
105 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
106
107 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
108 module_param_named(agpmode, radeon_agpmode, int, 0444);
109
110 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
111 module_param_named(gartsize, radeon_gart_size, int, 0600);
112
113 MODULE_PARM_DESC(benchmark, "Run benchmark");
114 module_param_named(benchmark, radeon_benchmarking, int, 0444);
115
116 MODULE_PARM_DESC(test, "Run tests");
117 module_param_named(test, radeon_testing, int, 0444);
118
119 MODULE_PARM_DESC(connector_table, "Force connector table");
120 module_param_named(connector_table, radeon_connector_table, int, 0444);
121
122 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
123 module_param_named(tv, radeon_tv, int, 0444);
124
125 MODULE_PARM_DESC(new_pll, "Select new PLL code for AVIVO chips");
126 module_param_named(new_pll, radeon_new_pll, int, 0444);
127
128 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
129 module_param_named(audio, radeon_audio, int, 0444);
130
131 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
132 {
133         drm_radeon_private_t *dev_priv = dev->dev_private;
134
135         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
136                 return 0;
137
138         /* Disable *all* interrupts */
139         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
140                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
141         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
142         return 0;
143 }
144
145 static int radeon_resume(struct drm_device *dev)
146 {
147         drm_radeon_private_t *dev_priv = dev->dev_private;
148
149         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
150                 return 0;
151
152         /* Restore interrupt registers */
153         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
154                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
155         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
156         return 0;
157 }
158
159 static struct pci_device_id pciidlist[] = {
160         radeon_PCI_IDS
161 };
162
163 #if defined(CONFIG_DRM_RADEON_KMS)
164 MODULE_DEVICE_TABLE(pci, pciidlist);
165 #endif
166
167 static struct drm_driver driver_old = {
168         .driver_features =
169             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
170             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
171         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
172         .load = radeon_driver_load,
173         .firstopen = radeon_driver_firstopen,
174         .open = radeon_driver_open,
175         .preclose = radeon_driver_preclose,
176         .postclose = radeon_driver_postclose,
177         .lastclose = radeon_driver_lastclose,
178         .unload = radeon_driver_unload,
179         .suspend = radeon_suspend,
180         .resume = radeon_resume,
181         .get_vblank_counter = radeon_get_vblank_counter,
182         .enable_vblank = radeon_enable_vblank,
183         .disable_vblank = radeon_disable_vblank,
184         .master_create = radeon_master_create,
185         .master_destroy = radeon_master_destroy,
186         .irq_preinstall = radeon_driver_irq_preinstall,
187         .irq_postinstall = radeon_driver_irq_postinstall,
188         .irq_uninstall = radeon_driver_irq_uninstall,
189         .irq_handler = radeon_driver_irq_handler,
190         .reclaim_buffers = drm_core_reclaim_buffers,
191         .get_map_ofs = drm_core_get_map_ofs,
192         .get_reg_ofs = drm_core_get_reg_ofs,
193         .ioctls = radeon_ioctls,
194         .dma_ioctl = radeon_cp_buffers,
195         .fops = {
196                  .owner = THIS_MODULE,
197                  .open = drm_open,
198                  .release = drm_release,
199                  .unlocked_ioctl = drm_ioctl,
200                  .mmap = drm_mmap,
201                  .poll = drm_poll,
202                  .fasync = drm_fasync,
203 #ifdef CONFIG_COMPAT
204                  .compat_ioctl = radeon_compat_ioctl,
205 #endif
206         },
207
208         .pci_driver = {
209                  .name = DRIVER_NAME,
210                  .id_table = pciidlist,
211         },
212
213         .name = DRIVER_NAME,
214         .desc = DRIVER_DESC,
215         .date = DRIVER_DATE,
216         .major = DRIVER_MAJOR,
217         .minor = DRIVER_MINOR,
218         .patchlevel = DRIVER_PATCHLEVEL,
219 };
220
221 static struct drm_driver kms_driver;
222
223 static int __devinit
224 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
225 {
226         return drm_get_dev(pdev, ent, &kms_driver);
227 }
228
229 static void
230 radeon_pci_remove(struct pci_dev *pdev)
231 {
232         struct drm_device *dev = pci_get_drvdata(pdev);
233
234         drm_put_dev(dev);
235 }
236
237 static int
238 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
239 {
240         struct drm_device *dev = pci_get_drvdata(pdev);
241         return radeon_suspend_kms(dev, state);
242 }
243
244 static int
245 radeon_pci_resume(struct pci_dev *pdev)
246 {
247         struct drm_device *dev = pci_get_drvdata(pdev);
248         return radeon_resume_kms(dev);
249 }
250
251 static struct drm_driver kms_driver = {
252         .driver_features =
253             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
254             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
255         .dev_priv_size = 0,
256         .load = radeon_driver_load_kms,
257         .firstopen = radeon_driver_firstopen_kms,
258         .open = radeon_driver_open_kms,
259         .preclose = radeon_driver_preclose_kms,
260         .postclose = radeon_driver_postclose_kms,
261         .lastclose = radeon_driver_lastclose_kms,
262         .unload = radeon_driver_unload_kms,
263         .suspend = radeon_suspend_kms,
264         .resume = radeon_resume_kms,
265         .get_vblank_counter = radeon_get_vblank_counter_kms,
266         .enable_vblank = radeon_enable_vblank_kms,
267         .disable_vblank = radeon_disable_vblank_kms,
268 #if defined(CONFIG_DEBUG_FS)
269         .debugfs_init = radeon_debugfs_init,
270         .debugfs_cleanup = radeon_debugfs_cleanup,
271 #endif
272         .irq_preinstall = radeon_driver_irq_preinstall_kms,
273         .irq_postinstall = radeon_driver_irq_postinstall_kms,
274         .irq_uninstall = radeon_driver_irq_uninstall_kms,
275         .irq_handler = radeon_driver_irq_handler_kms,
276         .reclaim_buffers = drm_core_reclaim_buffers,
277         .get_map_ofs = drm_core_get_map_ofs,
278         .get_reg_ofs = drm_core_get_reg_ofs,
279         .ioctls = radeon_ioctls_kms,
280         .gem_init_object = radeon_gem_object_init,
281         .gem_free_object = radeon_gem_object_free,
282         .dma_ioctl = radeon_dma_ioctl_kms,
283         .fops = {
284                  .owner = THIS_MODULE,
285                  .open = drm_open,
286                  .release = drm_release,
287                  .unlocked_ioctl = drm_ioctl,
288                  .mmap = radeon_mmap,
289                  .poll = drm_poll,
290                  .fasync = drm_fasync,
291 #ifdef CONFIG_COMPAT
292                  .compat_ioctl = radeon_kms_compat_ioctl,
293 #endif
294         },
295
296         .pci_driver = {
297                  .name = DRIVER_NAME,
298                  .id_table = pciidlist,
299                  .probe = radeon_pci_probe,
300                  .remove = radeon_pci_remove,
301                  .suspend = radeon_pci_suspend,
302                  .resume = radeon_pci_resume,
303         },
304
305         .name = DRIVER_NAME,
306         .desc = DRIVER_DESC,
307         .date = DRIVER_DATE,
308         .major = KMS_DRIVER_MAJOR,
309         .minor = KMS_DRIVER_MINOR,
310         .patchlevel = KMS_DRIVER_PATCHLEVEL,
311 };
312
313 static struct drm_driver *driver;
314
315 static int __init radeon_init(void)
316 {
317         driver = &driver_old;
318         driver->num_ioctls = radeon_max_ioctl;
319 #ifdef CONFIG_VGA_CONSOLE
320         if (vgacon_text_force() && radeon_modeset == -1) {
321                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
322                 driver = &driver_old;
323                 driver->driver_features &= ~DRIVER_MODESET;
324                 radeon_modeset = 0;
325         }
326 #endif
327         /* if enabled by default */
328         if (radeon_modeset == -1) {
329 #ifdef CONFIG_DRM_RADEON_KMS
330                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
331                 radeon_modeset = 1;
332 #else
333                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
334                 radeon_modeset = 0;
335 #endif
336         }
337         if (radeon_modeset == 1) {
338                 DRM_INFO("radeon kernel modesetting enabled.\n");
339                 driver = &kms_driver;
340                 driver->driver_features |= DRIVER_MODESET;
341                 driver->num_ioctls = radeon_max_kms_ioctl;
342                 radeon_register_atpx_handler();
343         }
344         /* if the vga console setting is enabled still
345          * let modprobe override it */
346         return drm_init(driver);
347 }
348
349 static void __exit radeon_exit(void)
350 {
351         drm_exit(driver);
352         radeon_unregister_atpx_handler();
353 }
354
355 module_init(radeon_init);
356 module_exit(radeon_exit);
357
358 MODULE_AUTHOR(DRIVER_AUTHOR);
359 MODULE_DESCRIPTION(DRIVER_DESC);
360 MODULE_LICENSE("GPL and additional rights");