drm/radeon/kms: display watermark updates (v2)
[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 int radeon_disp_priority = 0;
96
97 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
98 module_param_named(no_wb, radeon_no_wb, int, 0444);
99
100 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
101 module_param_named(modeset, radeon_modeset, int, 0400);
102
103 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
104 module_param_named(dynclks, radeon_dynclks, int, 0444);
105
106 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
107 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
108
109 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
110 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
111
112 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
113 module_param_named(agpmode, radeon_agpmode, int, 0444);
114
115 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
116 module_param_named(gartsize, radeon_gart_size, int, 0600);
117
118 MODULE_PARM_DESC(benchmark, "Run benchmark");
119 module_param_named(benchmark, radeon_benchmarking, int, 0444);
120
121 MODULE_PARM_DESC(test, "Run tests");
122 module_param_named(test, radeon_testing, int, 0444);
123
124 MODULE_PARM_DESC(connector_table, "Force connector table");
125 module_param_named(connector_table, radeon_connector_table, int, 0444);
126
127 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
128 module_param_named(tv, radeon_tv, int, 0444);
129
130 MODULE_PARM_DESC(new_pll, "Select new PLL code");
131 module_param_named(new_pll, radeon_new_pll, int, 0444);
132
133 MODULE_PARM_DESC(dynpm, "Disable/Enable dynamic power management (1 = enable)");
134 module_param_named(dynpm, radeon_dynpm, int, 0444);
135
136 MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
137 module_param_named(audio, radeon_audio, int, 0444);
138
139 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
140 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
141
142 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
143 {
144         drm_radeon_private_t *dev_priv = dev->dev_private;
145
146         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
147                 return 0;
148
149         /* Disable *all* interrupts */
150         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
151                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
152         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
153         return 0;
154 }
155
156 static int radeon_resume(struct drm_device *dev)
157 {
158         drm_radeon_private_t *dev_priv = dev->dev_private;
159
160         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
161                 return 0;
162
163         /* Restore interrupt registers */
164         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
165                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
166         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
167         return 0;
168 }
169
170 static struct pci_device_id pciidlist[] = {
171         radeon_PCI_IDS
172 };
173
174 #if defined(CONFIG_DRM_RADEON_KMS)
175 MODULE_DEVICE_TABLE(pci, pciidlist);
176 #endif
177
178 static struct drm_driver driver_old = {
179         .driver_features =
180             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
181             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
182         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
183         .load = radeon_driver_load,
184         .firstopen = radeon_driver_firstopen,
185         .open = radeon_driver_open,
186         .preclose = radeon_driver_preclose,
187         .postclose = radeon_driver_postclose,
188         .lastclose = radeon_driver_lastclose,
189         .unload = radeon_driver_unload,
190         .suspend = radeon_suspend,
191         .resume = radeon_resume,
192         .get_vblank_counter = radeon_get_vblank_counter,
193         .enable_vblank = radeon_enable_vblank,
194         .disable_vblank = radeon_disable_vblank,
195         .master_create = radeon_master_create,
196         .master_destroy = radeon_master_destroy,
197         .irq_preinstall = radeon_driver_irq_preinstall,
198         .irq_postinstall = radeon_driver_irq_postinstall,
199         .irq_uninstall = radeon_driver_irq_uninstall,
200         .irq_handler = radeon_driver_irq_handler,
201         .reclaim_buffers = drm_core_reclaim_buffers,
202         .get_map_ofs = drm_core_get_map_ofs,
203         .get_reg_ofs = drm_core_get_reg_ofs,
204         .ioctls = radeon_ioctls,
205         .dma_ioctl = radeon_cp_buffers,
206         .fops = {
207                  .owner = THIS_MODULE,
208                  .open = drm_open,
209                  .release = drm_release,
210                  .unlocked_ioctl = drm_ioctl,
211                  .mmap = drm_mmap,
212                  .poll = drm_poll,
213                  .fasync = drm_fasync,
214 #ifdef CONFIG_COMPAT
215                  .compat_ioctl = radeon_compat_ioctl,
216 #endif
217         },
218
219         .pci_driver = {
220                  .name = DRIVER_NAME,
221                  .id_table = pciidlist,
222         },
223
224         .name = DRIVER_NAME,
225         .desc = DRIVER_DESC,
226         .date = DRIVER_DATE,
227         .major = DRIVER_MAJOR,
228         .minor = DRIVER_MINOR,
229         .patchlevel = DRIVER_PATCHLEVEL,
230 };
231
232 static struct drm_driver kms_driver;
233
234 static int __devinit
235 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
236 {
237         return drm_get_dev(pdev, ent, &kms_driver);
238 }
239
240 static void
241 radeon_pci_remove(struct pci_dev *pdev)
242 {
243         struct drm_device *dev = pci_get_drvdata(pdev);
244
245         drm_put_dev(dev);
246 }
247
248 static int
249 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
250 {
251         struct drm_device *dev = pci_get_drvdata(pdev);
252         return radeon_suspend_kms(dev, state);
253 }
254
255 static int
256 radeon_pci_resume(struct pci_dev *pdev)
257 {
258         struct drm_device *dev = pci_get_drvdata(pdev);
259         return radeon_resume_kms(dev);
260 }
261
262 static struct drm_driver kms_driver = {
263         .driver_features =
264             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
265             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
266         .dev_priv_size = 0,
267         .load = radeon_driver_load_kms,
268         .firstopen = radeon_driver_firstopen_kms,
269         .open = radeon_driver_open_kms,
270         .preclose = radeon_driver_preclose_kms,
271         .postclose = radeon_driver_postclose_kms,
272         .lastclose = radeon_driver_lastclose_kms,
273         .unload = radeon_driver_unload_kms,
274         .suspend = radeon_suspend_kms,
275         .resume = radeon_resume_kms,
276         .get_vblank_counter = radeon_get_vblank_counter_kms,
277         .enable_vblank = radeon_enable_vblank_kms,
278         .disable_vblank = radeon_disable_vblank_kms,
279 #if defined(CONFIG_DEBUG_FS)
280         .debugfs_init = radeon_debugfs_init,
281         .debugfs_cleanup = radeon_debugfs_cleanup,
282 #endif
283         .irq_preinstall = radeon_driver_irq_preinstall_kms,
284         .irq_postinstall = radeon_driver_irq_postinstall_kms,
285         .irq_uninstall = radeon_driver_irq_uninstall_kms,
286         .irq_handler = radeon_driver_irq_handler_kms,
287         .reclaim_buffers = drm_core_reclaim_buffers,
288         .get_map_ofs = drm_core_get_map_ofs,
289         .get_reg_ofs = drm_core_get_reg_ofs,
290         .ioctls = radeon_ioctls_kms,
291         .gem_init_object = radeon_gem_object_init,
292         .gem_free_object = radeon_gem_object_free,
293         .dma_ioctl = radeon_dma_ioctl_kms,
294         .fops = {
295                  .owner = THIS_MODULE,
296                  .open = drm_open,
297                  .release = drm_release,
298                  .unlocked_ioctl = drm_ioctl,
299                  .mmap = radeon_mmap,
300                  .poll = drm_poll,
301                  .fasync = drm_fasync,
302 #ifdef CONFIG_COMPAT
303                  .compat_ioctl = radeon_kms_compat_ioctl,
304 #endif
305         },
306
307         .pci_driver = {
308                  .name = DRIVER_NAME,
309                  .id_table = pciidlist,
310                  .probe = radeon_pci_probe,
311                  .remove = radeon_pci_remove,
312                  .suspend = radeon_pci_suspend,
313                  .resume = radeon_pci_resume,
314         },
315
316         .name = DRIVER_NAME,
317         .desc = DRIVER_DESC,
318         .date = DRIVER_DATE,
319         .major = KMS_DRIVER_MAJOR,
320         .minor = KMS_DRIVER_MINOR,
321         .patchlevel = KMS_DRIVER_PATCHLEVEL,
322 };
323
324 static struct drm_driver *driver;
325
326 static int __init radeon_init(void)
327 {
328         driver = &driver_old;
329         driver->num_ioctls = radeon_max_ioctl;
330 #ifdef CONFIG_VGA_CONSOLE
331         if (vgacon_text_force() && radeon_modeset == -1) {
332                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
333                 driver = &driver_old;
334                 driver->driver_features &= ~DRIVER_MODESET;
335                 radeon_modeset = 0;
336         }
337 #endif
338         /* if enabled by default */
339         if (radeon_modeset == -1) {
340 #ifdef CONFIG_DRM_RADEON_KMS
341                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
342                 radeon_modeset = 1;
343 #else
344                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
345                 radeon_modeset = 0;
346 #endif
347         }
348         if (radeon_modeset == 1) {
349                 DRM_INFO("radeon kernel modesetting enabled.\n");
350                 driver = &kms_driver;
351                 driver->driver_features |= DRIVER_MODESET;
352                 driver->num_ioctls = radeon_max_kms_ioctl;
353                 radeon_register_atpx_handler();
354         }
355         /* if the vga console setting is enabled still
356          * let modprobe override it */
357         return drm_init(driver);
358 }
359
360 static void __exit radeon_exit(void)
361 {
362         drm_exit(driver);
363         radeon_unregister_atpx_handler();
364 }
365
366 module_init(radeon_init);
367 module_exit(radeon_exit);
368
369 MODULE_AUTHOR(DRIVER_AUTHOR);
370 MODULE_DESCRIPTION(DRIVER_DESC);
371 MODULE_LICENSE("GPL and additional rights");