Merge branch 'gpu-switcher' of /ssd/git//linux-2.6 into drm-next-stage
[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_dynpm = -1;
91 int radeon_audio = 1;
92
93 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
94 module_param_named(no_wb, radeon_no_wb, int, 0444);
95
96 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
97 module_param_named(modeset, radeon_modeset, int, 0400);
98
99 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
100 module_param_named(dynclks, radeon_dynclks, int, 0444);
101
102 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
103 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
104
105 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
106 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
107
108 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
109 module_param_named(agpmode, radeon_agpmode, int, 0444);
110
111 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
112 module_param_named(gartsize, radeon_gart_size, int, 0600);
113
114 MODULE_PARM_DESC(benchmark, "Run benchmark");
115 module_param_named(benchmark, radeon_benchmarking, int, 0444);
116
117 MODULE_PARM_DESC(test, "Run tests");
118 module_param_named(test, radeon_testing, int, 0444);
119
120 MODULE_PARM_DESC(connector_table, "Force connector table");
121 module_param_named(connector_table, radeon_connector_table, int, 0444);
122
123 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
124 module_param_named(tv, radeon_tv, int, 0444);
125
126 MODULE_PARM_DESC(new_pll, "Select new PLL code");
127 module_param_named(new_pll, radeon_new_pll, int, 0444);
128
129 MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");
130 module_param_named(dynpm, radeon_dynpm, int, 0444);
131
132 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
133 module_param_named(audio, radeon_audio, int, 0444);
134
135 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
136 {
137         drm_radeon_private_t *dev_priv = dev->dev_private;
138
139         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
140                 return 0;
141
142         /* Disable *all* interrupts */
143         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
144                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
145         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
146         return 0;
147 }
148
149 static int radeon_resume(struct drm_device *dev)
150 {
151         drm_radeon_private_t *dev_priv = dev->dev_private;
152
153         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
154                 return 0;
155
156         /* Restore interrupt registers */
157         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
158                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
159         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
160         return 0;
161 }
162
163 static struct pci_device_id pciidlist[] = {
164         radeon_PCI_IDS
165 };
166
167 #if defined(CONFIG_DRM_RADEON_KMS)
168 MODULE_DEVICE_TABLE(pci, pciidlist);
169 #endif
170
171 static struct drm_driver driver_old = {
172         .driver_features =
173             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
174             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
175         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
176         .load = radeon_driver_load,
177         .firstopen = radeon_driver_firstopen,
178         .open = radeon_driver_open,
179         .preclose = radeon_driver_preclose,
180         .postclose = radeon_driver_postclose,
181         .lastclose = radeon_driver_lastclose,
182         .unload = radeon_driver_unload,
183         .suspend = radeon_suspend,
184         .resume = radeon_resume,
185         .get_vblank_counter = radeon_get_vblank_counter,
186         .enable_vblank = radeon_enable_vblank,
187         .disable_vblank = radeon_disable_vblank,
188         .master_create = radeon_master_create,
189         .master_destroy = radeon_master_destroy,
190         .irq_preinstall = radeon_driver_irq_preinstall,
191         .irq_postinstall = radeon_driver_irq_postinstall,
192         .irq_uninstall = radeon_driver_irq_uninstall,
193         .irq_handler = radeon_driver_irq_handler,
194         .reclaim_buffers = drm_core_reclaim_buffers,
195         .get_map_ofs = drm_core_get_map_ofs,
196         .get_reg_ofs = drm_core_get_reg_ofs,
197         .ioctls = radeon_ioctls,
198         .dma_ioctl = radeon_cp_buffers,
199         .fops = {
200                  .owner = THIS_MODULE,
201                  .open = drm_open,
202                  .release = drm_release,
203                  .unlocked_ioctl = drm_ioctl,
204                  .mmap = drm_mmap,
205                  .poll = drm_poll,
206                  .fasync = drm_fasync,
207 #ifdef CONFIG_COMPAT
208                  .compat_ioctl = radeon_compat_ioctl,
209 #endif
210         },
211
212         .pci_driver = {
213                  .name = DRIVER_NAME,
214                  .id_table = pciidlist,
215         },
216
217         .name = DRIVER_NAME,
218         .desc = DRIVER_DESC,
219         .date = DRIVER_DATE,
220         .major = DRIVER_MAJOR,
221         .minor = DRIVER_MINOR,
222         .patchlevel = DRIVER_PATCHLEVEL,
223 };
224
225 static struct drm_driver kms_driver;
226
227 static int __devinit
228 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
229 {
230         return drm_get_dev(pdev, ent, &kms_driver);
231 }
232
233 static void
234 radeon_pci_remove(struct pci_dev *pdev)
235 {
236         struct drm_device *dev = pci_get_drvdata(pdev);
237
238         drm_put_dev(dev);
239 }
240
241 static int
242 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
243 {
244         struct drm_device *dev = pci_get_drvdata(pdev);
245         return radeon_suspend_kms(dev, state);
246 }
247
248 static int
249 radeon_pci_resume(struct pci_dev *pdev)
250 {
251         struct drm_device *dev = pci_get_drvdata(pdev);
252         return radeon_resume_kms(dev);
253 }
254
255 static struct drm_driver kms_driver = {
256         .driver_features =
257             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
258             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
259         .dev_priv_size = 0,
260         .load = radeon_driver_load_kms,
261         .firstopen = radeon_driver_firstopen_kms,
262         .open = radeon_driver_open_kms,
263         .preclose = radeon_driver_preclose_kms,
264         .postclose = radeon_driver_postclose_kms,
265         .lastclose = radeon_driver_lastclose_kms,
266         .unload = radeon_driver_unload_kms,
267         .suspend = radeon_suspend_kms,
268         .resume = radeon_resume_kms,
269         .get_vblank_counter = radeon_get_vblank_counter_kms,
270         .enable_vblank = radeon_enable_vblank_kms,
271         .disable_vblank = radeon_disable_vblank_kms,
272 #if defined(CONFIG_DEBUG_FS)
273         .debugfs_init = radeon_debugfs_init,
274         .debugfs_cleanup = radeon_debugfs_cleanup,
275 #endif
276         .irq_preinstall = radeon_driver_irq_preinstall_kms,
277         .irq_postinstall = radeon_driver_irq_postinstall_kms,
278         .irq_uninstall = radeon_driver_irq_uninstall_kms,
279         .irq_handler = radeon_driver_irq_handler_kms,
280         .reclaim_buffers = drm_core_reclaim_buffers,
281         .get_map_ofs = drm_core_get_map_ofs,
282         .get_reg_ofs = drm_core_get_reg_ofs,
283         .ioctls = radeon_ioctls_kms,
284         .gem_init_object = radeon_gem_object_init,
285         .gem_free_object = radeon_gem_object_free,
286         .dma_ioctl = radeon_dma_ioctl_kms,
287         .fops = {
288                  .owner = THIS_MODULE,
289                  .open = drm_open,
290                  .release = drm_release,
291                  .unlocked_ioctl = drm_ioctl,
292                  .mmap = radeon_mmap,
293                  .poll = drm_poll,
294                  .fasync = drm_fasync,
295 #ifdef CONFIG_COMPAT
296                  .compat_ioctl = radeon_kms_compat_ioctl,
297 #endif
298         },
299
300         .pci_driver = {
301                  .name = DRIVER_NAME,
302                  .id_table = pciidlist,
303                  .probe = radeon_pci_probe,
304                  .remove = radeon_pci_remove,
305                  .suspend = radeon_pci_suspend,
306                  .resume = radeon_pci_resume,
307         },
308
309         .name = DRIVER_NAME,
310         .desc = DRIVER_DESC,
311         .date = DRIVER_DATE,
312         .major = KMS_DRIVER_MAJOR,
313         .minor = KMS_DRIVER_MINOR,
314         .patchlevel = KMS_DRIVER_PATCHLEVEL,
315 };
316
317 static struct drm_driver *driver;
318
319 static int __init radeon_init(void)
320 {
321         driver = &driver_old;
322         driver->num_ioctls = radeon_max_ioctl;
323 #ifdef CONFIG_VGA_CONSOLE
324         if (vgacon_text_force() && radeon_modeset == -1) {
325                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
326                 driver = &driver_old;
327                 driver->driver_features &= ~DRIVER_MODESET;
328                 radeon_modeset = 0;
329         }
330 #endif
331         /* if enabled by default */
332         if (radeon_modeset == -1) {
333 #ifdef CONFIG_DRM_RADEON_KMS
334                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
335                 radeon_modeset = 1;
336 #else
337                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
338                 radeon_modeset = 0;
339 #endif
340         }
341         if (radeon_modeset == 1) {
342                 DRM_INFO("radeon kernel modesetting enabled.\n");
343                 driver = &kms_driver;
344                 driver->driver_features |= DRIVER_MODESET;
345                 driver->num_ioctls = radeon_max_kms_ioctl;
346                 radeon_register_atpx_handler();
347         }
348         /* if the vga console setting is enabled still
349          * let modprobe override it */
350         return drm_init(driver);
351 }
352
353 static void __exit radeon_exit(void)
354 {
355         drm_exit(driver);
356         radeon_unregister_atpx_handler();
357 }
358
359 module_init(radeon_init);
360 module_exit(radeon_exit);
361
362 MODULE_AUTHOR(DRIVER_AUTHOR);
363 MODULE_DESCRIPTION(DRIVER_DESC);
364 MODULE_LICENSE("GPL and additional rights");