54ec04928d9fce1176d67c9d93d494799545b21d
[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  */
47 #define KMS_DRIVER_MAJOR        2
48 #define KMS_DRIVER_MINOR        2
49 #define KMS_DRIVER_PATCHLEVEL   0
50 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
51 int radeon_driver_unload_kms(struct drm_device *dev);
52 int radeon_driver_firstopen_kms(struct drm_device *dev);
53 void radeon_driver_lastclose_kms(struct drm_device *dev);
54 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
55 void radeon_driver_postclose_kms(struct drm_device *dev,
56                                  struct drm_file *file_priv);
57 void radeon_driver_preclose_kms(struct drm_device *dev,
58                                 struct drm_file *file_priv);
59 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
60 int radeon_resume_kms(struct drm_device *dev);
61 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
62 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
63 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
64 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
65 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
66 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
67 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
68 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
69                          struct drm_file *file_priv);
70 int radeon_gem_object_init(struct drm_gem_object *obj);
71 void radeon_gem_object_free(struct drm_gem_object *obj);
72 extern struct drm_ioctl_desc radeon_ioctls_kms[];
73 extern int radeon_max_kms_ioctl;
74 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
75 #if defined(CONFIG_DEBUG_FS)
76 int radeon_debugfs_init(struct drm_minor *minor);
77 void radeon_debugfs_cleanup(struct drm_minor *minor);
78 #endif
79
80
81 int radeon_no_wb;
82 int radeon_modeset = -1;
83 int radeon_dynclks = -1;
84 int radeon_r4xx_atom = 0;
85 int radeon_agpmode = 0;
86 int radeon_vram_limit = 0;
87 int radeon_gart_size = 512; /* default gart size */
88 int radeon_benchmarking = 0;
89 int radeon_testing = 0;
90 int radeon_connector_table = 0;
91 int radeon_tv = 1;
92 int radeon_new_pll = -1;
93 int radeon_dynpm = -1;
94 int radeon_audio = 1;
95
96 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
97 module_param_named(no_wb, radeon_no_wb, int, 0444);
98
99 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
100 module_param_named(modeset, radeon_modeset, int, 0400);
101
102 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
103 module_param_named(dynclks, radeon_dynclks, int, 0444);
104
105 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
106 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
107
108 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
109 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
110
111 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
112 module_param_named(agpmode, radeon_agpmode, int, 0444);
113
114 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
115 module_param_named(gartsize, radeon_gart_size, int, 0600);
116
117 MODULE_PARM_DESC(benchmark, "Run benchmark");
118 module_param_named(benchmark, radeon_benchmarking, int, 0444);
119
120 MODULE_PARM_DESC(test, "Run tests");
121 module_param_named(test, radeon_testing, int, 0444);
122
123 MODULE_PARM_DESC(connector_table, "Force connector table");
124 module_param_named(connector_table, radeon_connector_table, int, 0444);
125
126 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
127 module_param_named(tv, radeon_tv, int, 0444);
128
129 MODULE_PARM_DESC(new_pll, "Select new PLL code");
130 module_param_named(new_pll, radeon_new_pll, int, 0444);
131
132 MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");
133 module_param_named(dynpm, radeon_dynpm, int, 0444);
134
135 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
136 module_param_named(audio, radeon_audio, int, 0444);
137
138 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
139 {
140         drm_radeon_private_t *dev_priv = dev->dev_private;
141
142         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
143                 return 0;
144
145         /* Disable *all* interrupts */
146         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
147                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
148         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
149         return 0;
150 }
151
152 static int radeon_resume(struct drm_device *dev)
153 {
154         drm_radeon_private_t *dev_priv = dev->dev_private;
155
156         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
157                 return 0;
158
159         /* Restore interrupt registers */
160         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
161                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
162         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
163         return 0;
164 }
165
166 static struct pci_device_id pciidlist[] = {
167         radeon_PCI_IDS
168 };
169
170 #if defined(CONFIG_DRM_RADEON_KMS)
171 MODULE_DEVICE_TABLE(pci, pciidlist);
172 #endif
173
174 static struct drm_driver driver_old = {
175         .driver_features =
176             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
177             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
178         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
179         .load = radeon_driver_load,
180         .firstopen = radeon_driver_firstopen,
181         .open = radeon_driver_open,
182         .preclose = radeon_driver_preclose,
183         .postclose = radeon_driver_postclose,
184         .lastclose = radeon_driver_lastclose,
185         .unload = radeon_driver_unload,
186         .suspend = radeon_suspend,
187         .resume = radeon_resume,
188         .get_vblank_counter = radeon_get_vblank_counter,
189         .enable_vblank = radeon_enable_vblank,
190         .disable_vblank = radeon_disable_vblank,
191         .master_create = radeon_master_create,
192         .master_destroy = radeon_master_destroy,
193         .irq_preinstall = radeon_driver_irq_preinstall,
194         .irq_postinstall = radeon_driver_irq_postinstall,
195         .irq_uninstall = radeon_driver_irq_uninstall,
196         .irq_handler = radeon_driver_irq_handler,
197         .reclaim_buffers = drm_core_reclaim_buffers,
198         .get_map_ofs = drm_core_get_map_ofs,
199         .get_reg_ofs = drm_core_get_reg_ofs,
200         .ioctls = radeon_ioctls,
201         .dma_ioctl = radeon_cp_buffers,
202         .fops = {
203                  .owner = THIS_MODULE,
204                  .open = drm_open,
205                  .release = drm_release,
206                  .unlocked_ioctl = drm_ioctl,
207                  .mmap = drm_mmap,
208                  .poll = drm_poll,
209                  .fasync = drm_fasync,
210 #ifdef CONFIG_COMPAT
211                  .compat_ioctl = radeon_compat_ioctl,
212 #endif
213         },
214
215         .pci_driver = {
216                  .name = DRIVER_NAME,
217                  .id_table = pciidlist,
218         },
219
220         .name = DRIVER_NAME,
221         .desc = DRIVER_DESC,
222         .date = DRIVER_DATE,
223         .major = DRIVER_MAJOR,
224         .minor = DRIVER_MINOR,
225         .patchlevel = DRIVER_PATCHLEVEL,
226 };
227
228 static struct drm_driver kms_driver;
229
230 static int __devinit
231 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
232 {
233         return drm_get_dev(pdev, ent, &kms_driver);
234 }
235
236 static void
237 radeon_pci_remove(struct pci_dev *pdev)
238 {
239         struct drm_device *dev = pci_get_drvdata(pdev);
240
241         drm_put_dev(dev);
242 }
243
244 static int
245 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
246 {
247         struct drm_device *dev = pci_get_drvdata(pdev);
248         return radeon_suspend_kms(dev, state);
249 }
250
251 static int
252 radeon_pci_resume(struct pci_dev *pdev)
253 {
254         struct drm_device *dev = pci_get_drvdata(pdev);
255         return radeon_resume_kms(dev);
256 }
257
258 static struct drm_driver kms_driver = {
259         .driver_features =
260             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
261             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
262         .dev_priv_size = 0,
263         .load = radeon_driver_load_kms,
264         .firstopen = radeon_driver_firstopen_kms,
265         .open = radeon_driver_open_kms,
266         .preclose = radeon_driver_preclose_kms,
267         .postclose = radeon_driver_postclose_kms,
268         .lastclose = radeon_driver_lastclose_kms,
269         .unload = radeon_driver_unload_kms,
270         .suspend = radeon_suspend_kms,
271         .resume = radeon_resume_kms,
272         .get_vblank_counter = radeon_get_vblank_counter_kms,
273         .enable_vblank = radeon_enable_vblank_kms,
274         .disable_vblank = radeon_disable_vblank_kms,
275 #if defined(CONFIG_DEBUG_FS)
276         .debugfs_init = radeon_debugfs_init,
277         .debugfs_cleanup = radeon_debugfs_cleanup,
278 #endif
279         .irq_preinstall = radeon_driver_irq_preinstall_kms,
280         .irq_postinstall = radeon_driver_irq_postinstall_kms,
281         .irq_uninstall = radeon_driver_irq_uninstall_kms,
282         .irq_handler = radeon_driver_irq_handler_kms,
283         .reclaim_buffers = drm_core_reclaim_buffers,
284         .get_map_ofs = drm_core_get_map_ofs,
285         .get_reg_ofs = drm_core_get_reg_ofs,
286         .ioctls = radeon_ioctls_kms,
287         .gem_init_object = radeon_gem_object_init,
288         .gem_free_object = radeon_gem_object_free,
289         .dma_ioctl = radeon_dma_ioctl_kms,
290         .fops = {
291                  .owner = THIS_MODULE,
292                  .open = drm_open,
293                  .release = drm_release,
294                  .unlocked_ioctl = drm_ioctl,
295                  .mmap = radeon_mmap,
296                  .poll = drm_poll,
297                  .fasync = drm_fasync,
298 #ifdef CONFIG_COMPAT
299                  .compat_ioctl = radeon_kms_compat_ioctl,
300 #endif
301         },
302
303         .pci_driver = {
304                  .name = DRIVER_NAME,
305                  .id_table = pciidlist,
306                  .probe = radeon_pci_probe,
307                  .remove = radeon_pci_remove,
308                  .suspend = radeon_pci_suspend,
309                  .resume = radeon_pci_resume,
310         },
311
312         .name = DRIVER_NAME,
313         .desc = DRIVER_DESC,
314         .date = DRIVER_DATE,
315         .major = KMS_DRIVER_MAJOR,
316         .minor = KMS_DRIVER_MINOR,
317         .patchlevel = KMS_DRIVER_PATCHLEVEL,
318 };
319
320 static struct drm_driver *driver;
321
322 static int __init radeon_init(void)
323 {
324         driver = &driver_old;
325         driver->num_ioctls = radeon_max_ioctl;
326 #ifdef CONFIG_VGA_CONSOLE
327         if (vgacon_text_force() && radeon_modeset == -1) {
328                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
329                 driver = &driver_old;
330                 driver->driver_features &= ~DRIVER_MODESET;
331                 radeon_modeset = 0;
332         }
333 #endif
334         /* if enabled by default */
335         if (radeon_modeset == -1) {
336 #ifdef CONFIG_DRM_RADEON_KMS
337                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
338                 radeon_modeset = 1;
339 #else
340                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
341                 radeon_modeset = 0;
342 #endif
343         }
344         if (radeon_modeset == 1) {
345                 DRM_INFO("radeon kernel modesetting enabled.\n");
346                 driver = &kms_driver;
347                 driver->driver_features |= DRIVER_MODESET;
348                 driver->num_ioctls = radeon_max_kms_ioctl;
349                 radeon_register_atpx_handler();
350         }
351         /* if the vga console setting is enabled still
352          * let modprobe override it */
353         return drm_init(driver);
354 }
355
356 static void __exit radeon_exit(void)
357 {
358         drm_exit(driver);
359         radeon_unregister_atpx_handler();
360 }
361
362 module_init(radeon_init);
363 module_exit(radeon_exit);
364
365 MODULE_AUTHOR(DRIVER_AUTHOR);
366 MODULE_DESCRIPTION(DRIVER_DESC);
367 MODULE_LICENSE("GPL and additional rights");