902d1731a652757b16f90b3056d3b1c8f6b7d3b8
[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  * - 2.0.0 - initial interface
44  * - 2.1.0 - add square tiling interface
45  * - 2.2.0 - add r6xx/r7xx const buffer support
46  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
47  * - 2.4.0 - add crtc id query
48  */
49 #define KMS_DRIVER_MAJOR        2
50 #define KMS_DRIVER_MINOR        4
51 #define KMS_DRIVER_PATCHLEVEL   0
52 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
53 int radeon_driver_unload_kms(struct drm_device *dev);
54 int radeon_driver_firstopen_kms(struct drm_device *dev);
55 void radeon_driver_lastclose_kms(struct drm_device *dev);
56 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
57 void radeon_driver_postclose_kms(struct drm_device *dev,
58                                  struct drm_file *file_priv);
59 void radeon_driver_preclose_kms(struct drm_device *dev,
60                                 struct drm_file *file_priv);
61 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
62 int radeon_resume_kms(struct drm_device *dev);
63 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
64 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
65 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
66 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
67 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
68 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
69 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
70 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
71                          struct drm_file *file_priv);
72 int radeon_gem_object_init(struct drm_gem_object *obj);
73 void radeon_gem_object_free(struct drm_gem_object *obj);
74 extern struct drm_ioctl_desc radeon_ioctls_kms[];
75 extern int radeon_max_kms_ioctl;
76 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
77 #if defined(CONFIG_DEBUG_FS)
78 int radeon_debugfs_init(struct drm_minor *minor);
79 void radeon_debugfs_cleanup(struct drm_minor *minor);
80 #endif
81
82
83 int radeon_no_wb;
84 int radeon_modeset = -1;
85 int radeon_dynclks = -1;
86 int radeon_r4xx_atom = 0;
87 int radeon_agpmode = 0;
88 int radeon_vram_limit = 0;
89 int radeon_gart_size = 512; /* default gart size */
90 int radeon_benchmarking = 0;
91 int radeon_testing = 0;
92 int radeon_connector_table = 0;
93 int radeon_tv = 1;
94 int radeon_new_pll = -1;
95 int radeon_audio = 1;
96 int radeon_disp_priority = 0;
97 int radeon_hw_i2c = 0;
98
99 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
100 module_param_named(no_wb, radeon_no_wb, int, 0444);
101
102 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
103 module_param_named(modeset, radeon_modeset, int, 0400);
104
105 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
106 module_param_named(dynclks, radeon_dynclks, int, 0444);
107
108 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
109 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
110
111 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
112 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
113
114 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
115 module_param_named(agpmode, radeon_agpmode, int, 0444);
116
117 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
118 module_param_named(gartsize, radeon_gart_size, int, 0600);
119
120 MODULE_PARM_DESC(benchmark, "Run benchmark");
121 module_param_named(benchmark, radeon_benchmarking, int, 0444);
122
123 MODULE_PARM_DESC(test, "Run tests");
124 module_param_named(test, radeon_testing, int, 0444);
125
126 MODULE_PARM_DESC(connector_table, "Force connector table");
127 module_param_named(connector_table, radeon_connector_table, int, 0444);
128
129 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
130 module_param_named(tv, radeon_tv, int, 0444);
131
132 MODULE_PARM_DESC(new_pll, "Select new PLL code");
133 module_param_named(new_pll, radeon_new_pll, int, 0444);
134
135 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
136 module_param_named(audio, radeon_audio, int, 0444);
137
138 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
139 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
140
141 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
142 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
143
144 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
145 {
146         drm_radeon_private_t *dev_priv = dev->dev_private;
147
148         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
149                 return 0;
150
151         /* Disable *all* interrupts */
152         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
153                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
154         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
155         return 0;
156 }
157
158 static int radeon_resume(struct drm_device *dev)
159 {
160         drm_radeon_private_t *dev_priv = dev->dev_private;
161
162         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
163                 return 0;
164
165         /* Restore interrupt registers */
166         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
167                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
168         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
169         return 0;
170 }
171
172 static struct pci_device_id pciidlist[] = {
173         radeon_PCI_IDS
174 };
175
176 #if defined(CONFIG_DRM_RADEON_KMS)
177 MODULE_DEVICE_TABLE(pci, pciidlist);
178 #endif
179
180 static struct drm_driver driver_old = {
181         .driver_features =
182             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
183             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
184         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
185         .load = radeon_driver_load,
186         .firstopen = radeon_driver_firstopen,
187         .open = radeon_driver_open,
188         .preclose = radeon_driver_preclose,
189         .postclose = radeon_driver_postclose,
190         .lastclose = radeon_driver_lastclose,
191         .unload = radeon_driver_unload,
192         .suspend = radeon_suspend,
193         .resume = radeon_resume,
194         .get_vblank_counter = radeon_get_vblank_counter,
195         .enable_vblank = radeon_enable_vblank,
196         .disable_vblank = radeon_disable_vblank,
197         .master_create = radeon_master_create,
198         .master_destroy = radeon_master_destroy,
199         .irq_preinstall = radeon_driver_irq_preinstall,
200         .irq_postinstall = radeon_driver_irq_postinstall,
201         .irq_uninstall = radeon_driver_irq_uninstall,
202         .irq_handler = radeon_driver_irq_handler,
203         .reclaim_buffers = drm_core_reclaim_buffers,
204         .get_map_ofs = drm_core_get_map_ofs,
205         .get_reg_ofs = drm_core_get_reg_ofs,
206         .ioctls = radeon_ioctls,
207         .dma_ioctl = radeon_cp_buffers,
208         .fops = {
209                  .owner = THIS_MODULE,
210                  .open = drm_open,
211                  .release = drm_release,
212                  .unlocked_ioctl = drm_ioctl,
213                  .mmap = drm_mmap,
214                  .poll = drm_poll,
215                  .fasync = drm_fasync,
216                  .read = drm_read,
217 #ifdef CONFIG_COMPAT
218                  .compat_ioctl = radeon_compat_ioctl,
219 #endif
220         },
221
222         .pci_driver = {
223                  .name = DRIVER_NAME,
224                  .id_table = pciidlist,
225         },
226
227         .name = DRIVER_NAME,
228         .desc = DRIVER_DESC,
229         .date = DRIVER_DATE,
230         .major = DRIVER_MAJOR,
231         .minor = DRIVER_MINOR,
232         .patchlevel = DRIVER_PATCHLEVEL,
233 };
234
235 static struct drm_driver kms_driver;
236
237 static int __devinit
238 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
239 {
240         return drm_get_dev(pdev, ent, &kms_driver);
241 }
242
243 static void
244 radeon_pci_remove(struct pci_dev *pdev)
245 {
246         struct drm_device *dev = pci_get_drvdata(pdev);
247
248         drm_put_dev(dev);
249 }
250
251 static int
252 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
253 {
254         struct drm_device *dev = pci_get_drvdata(pdev);
255         return radeon_suspend_kms(dev, state);
256 }
257
258 static int
259 radeon_pci_resume(struct pci_dev *pdev)
260 {
261         struct drm_device *dev = pci_get_drvdata(pdev);
262         return radeon_resume_kms(dev);
263 }
264
265 static struct drm_driver kms_driver = {
266         .driver_features =
267             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
268             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
269         .dev_priv_size = 0,
270         .load = radeon_driver_load_kms,
271         .firstopen = radeon_driver_firstopen_kms,
272         .open = radeon_driver_open_kms,
273         .preclose = radeon_driver_preclose_kms,
274         .postclose = radeon_driver_postclose_kms,
275         .lastclose = radeon_driver_lastclose_kms,
276         .unload = radeon_driver_unload_kms,
277         .suspend = radeon_suspend_kms,
278         .resume = radeon_resume_kms,
279         .get_vblank_counter = radeon_get_vblank_counter_kms,
280         .enable_vblank = radeon_enable_vblank_kms,
281         .disable_vblank = radeon_disable_vblank_kms,
282 #if defined(CONFIG_DEBUG_FS)
283         .debugfs_init = radeon_debugfs_init,
284         .debugfs_cleanup = radeon_debugfs_cleanup,
285 #endif
286         .irq_preinstall = radeon_driver_irq_preinstall_kms,
287         .irq_postinstall = radeon_driver_irq_postinstall_kms,
288         .irq_uninstall = radeon_driver_irq_uninstall_kms,
289         .irq_handler = radeon_driver_irq_handler_kms,
290         .reclaim_buffers = drm_core_reclaim_buffers,
291         .get_map_ofs = drm_core_get_map_ofs,
292         .get_reg_ofs = drm_core_get_reg_ofs,
293         .ioctls = radeon_ioctls_kms,
294         .gem_init_object = radeon_gem_object_init,
295         .gem_free_object = radeon_gem_object_free,
296         .dma_ioctl = radeon_dma_ioctl_kms,
297         .fops = {
298                  .owner = THIS_MODULE,
299                  .open = drm_open,
300                  .release = drm_release,
301                  .unlocked_ioctl = drm_ioctl,
302                  .mmap = radeon_mmap,
303                  .poll = drm_poll,
304                  .fasync = drm_fasync,
305                  .read = drm_read,
306 #ifdef CONFIG_COMPAT
307                  .compat_ioctl = radeon_kms_compat_ioctl,
308 #endif
309         },
310
311         .pci_driver = {
312                  .name = DRIVER_NAME,
313                  .id_table = pciidlist,
314                  .probe = radeon_pci_probe,
315                  .remove = radeon_pci_remove,
316                  .suspend = radeon_pci_suspend,
317                  .resume = radeon_pci_resume,
318         },
319
320         .name = DRIVER_NAME,
321         .desc = DRIVER_DESC,
322         .date = DRIVER_DATE,
323         .major = KMS_DRIVER_MAJOR,
324         .minor = KMS_DRIVER_MINOR,
325         .patchlevel = KMS_DRIVER_PATCHLEVEL,
326 };
327
328 static struct drm_driver *driver;
329
330 static int __init radeon_init(void)
331 {
332         driver = &driver_old;
333         driver->num_ioctls = radeon_max_ioctl;
334 #ifdef CONFIG_VGA_CONSOLE
335         if (vgacon_text_force() && radeon_modeset == -1) {
336                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
337                 driver = &driver_old;
338                 driver->driver_features &= ~DRIVER_MODESET;
339                 radeon_modeset = 0;
340         }
341 #endif
342         /* if enabled by default */
343         if (radeon_modeset == -1) {
344 #ifdef CONFIG_DRM_RADEON_KMS
345                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
346                 radeon_modeset = 1;
347 #else
348                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
349                 radeon_modeset = 0;
350 #endif
351         }
352         if (radeon_modeset == 1) {
353                 DRM_INFO("radeon kernel modesetting enabled.\n");
354                 driver = &kms_driver;
355                 driver->driver_features |= DRIVER_MODESET;
356                 driver->num_ioctls = radeon_max_kms_ioctl;
357                 radeon_register_atpx_handler();
358         }
359         /* if the vga console setting is enabled still
360          * let modprobe override it */
361         return drm_init(driver);
362 }
363
364 static void __exit radeon_exit(void)
365 {
366         drm_exit(driver);
367         radeon_unregister_atpx_handler();
368 }
369
370 module_init(radeon_init);
371 module_exit(radeon_exit);
372
373 MODULE_AUTHOR(DRIVER_AUTHOR);
374 MODULE_DESCRIPTION(DRIVER_DESC);
375 MODULE_LICENSE("GPL and additional rights");