85f033f19a8ad76d74f0c90bcf48c93335c22c05
[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  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
49  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
50  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
51  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
52  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
53  *   2.10.0 - fusion 2D tiling, initial compute support for the CS checker
54  *   2.11.0 - backend map
55  */
56 #define KMS_DRIVER_MAJOR        2
57 #define KMS_DRIVER_MINOR        11
58 #define KMS_DRIVER_PATCHLEVEL   0
59 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
60 int radeon_driver_unload_kms(struct drm_device *dev);
61 int radeon_driver_firstopen_kms(struct drm_device *dev);
62 void radeon_driver_lastclose_kms(struct drm_device *dev);
63 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
64 void radeon_driver_postclose_kms(struct drm_device *dev,
65                                  struct drm_file *file_priv);
66 void radeon_driver_preclose_kms(struct drm_device *dev,
67                                 struct drm_file *file_priv);
68 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
69 int radeon_resume_kms(struct drm_device *dev);
70 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
71 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
72 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
73 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
74                                     int *max_error,
75                                     struct timeval *vblank_time,
76                                     unsigned flags);
77 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
78 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
79 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
80 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
81 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
82                          struct drm_file *file_priv);
83 int radeon_gem_object_init(struct drm_gem_object *obj);
84 void radeon_gem_object_free(struct drm_gem_object *obj);
85 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
86                                       int *vpos, int *hpos);
87 extern struct drm_ioctl_desc radeon_ioctls_kms[];
88 extern int radeon_max_kms_ioctl;
89 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
90 int radeon_mode_dumb_mmap(struct drm_file *filp,
91                           struct drm_device *dev,
92                           uint32_t handle, uint64_t *offset_p);
93 int radeon_mode_dumb_create(struct drm_file *file_priv,
94                             struct drm_device *dev,
95                             struct drm_mode_create_dumb *args);
96 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
97                              struct drm_device *dev,
98                              uint32_t handle);
99
100 #if defined(CONFIG_DEBUG_FS)
101 int radeon_debugfs_init(struct drm_minor *minor);
102 void radeon_debugfs_cleanup(struct drm_minor *minor);
103 #endif
104
105
106 int radeon_no_wb;
107 int radeon_modeset = -1;
108 int radeon_dynclks = -1;
109 int radeon_r4xx_atom = 0;
110 int radeon_agpmode = 0;
111 int radeon_vram_limit = 0;
112 int radeon_gart_size = 512; /* default gart size */
113 int radeon_benchmarking = 0;
114 int radeon_testing = 0;
115 int radeon_connector_table = 0;
116 int radeon_tv = 1;
117 int radeon_audio = 0;
118 int radeon_disp_priority = 0;
119 int radeon_hw_i2c = 0;
120 int radeon_pcie_gen2 = 0;
121
122 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
123 module_param_named(no_wb, radeon_no_wb, int, 0444);
124
125 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
126 module_param_named(modeset, radeon_modeset, int, 0400);
127
128 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
129 module_param_named(dynclks, radeon_dynclks, int, 0444);
130
131 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
132 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
133
134 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
135 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
136
137 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
138 module_param_named(agpmode, radeon_agpmode, int, 0444);
139
140 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
141 module_param_named(gartsize, radeon_gart_size, int, 0600);
142
143 MODULE_PARM_DESC(benchmark, "Run benchmark");
144 module_param_named(benchmark, radeon_benchmarking, int, 0444);
145
146 MODULE_PARM_DESC(test, "Run tests");
147 module_param_named(test, radeon_testing, int, 0444);
148
149 MODULE_PARM_DESC(connector_table, "Force connector table");
150 module_param_named(connector_table, radeon_connector_table, int, 0444);
151
152 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
153 module_param_named(tv, radeon_tv, int, 0444);
154
155 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
156 module_param_named(audio, radeon_audio, int, 0444);
157
158 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
159 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
160
161 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
162 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
163
164 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)");
165 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
166
167 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
168 {
169         drm_radeon_private_t *dev_priv = dev->dev_private;
170
171         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
172                 return 0;
173
174         /* Disable *all* interrupts */
175         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
176                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
177         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
178         return 0;
179 }
180
181 static int radeon_resume(struct drm_device *dev)
182 {
183         drm_radeon_private_t *dev_priv = dev->dev_private;
184
185         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
186                 return 0;
187
188         /* Restore interrupt registers */
189         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
190                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
191         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
192         return 0;
193 }
194
195 static struct pci_device_id pciidlist[] = {
196         radeon_PCI_IDS
197 };
198
199 #if defined(CONFIG_DRM_RADEON_KMS)
200 MODULE_DEVICE_TABLE(pci, pciidlist);
201 #endif
202
203 static struct drm_driver driver_old = {
204         .driver_features =
205             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
206             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
207         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
208         .load = radeon_driver_load,
209         .firstopen = radeon_driver_firstopen,
210         .open = radeon_driver_open,
211         .preclose = radeon_driver_preclose,
212         .postclose = radeon_driver_postclose,
213         .lastclose = radeon_driver_lastclose,
214         .unload = radeon_driver_unload,
215         .suspend = radeon_suspend,
216         .resume = radeon_resume,
217         .get_vblank_counter = radeon_get_vblank_counter,
218         .enable_vblank = radeon_enable_vblank,
219         .disable_vblank = radeon_disable_vblank,
220         .master_create = radeon_master_create,
221         .master_destroy = radeon_master_destroy,
222         .irq_preinstall = radeon_driver_irq_preinstall,
223         .irq_postinstall = radeon_driver_irq_postinstall,
224         .irq_uninstall = radeon_driver_irq_uninstall,
225         .irq_handler = radeon_driver_irq_handler,
226         .reclaim_buffers = drm_core_reclaim_buffers,
227         .ioctls = radeon_ioctls,
228         .dma_ioctl = radeon_cp_buffers,
229         .fops = {
230                  .owner = THIS_MODULE,
231                  .open = drm_open,
232                  .release = drm_release,
233                  .unlocked_ioctl = drm_ioctl,
234                  .mmap = drm_mmap,
235                  .poll = drm_poll,
236                  .fasync = drm_fasync,
237                  .read = drm_read,
238 #ifdef CONFIG_COMPAT
239                  .compat_ioctl = radeon_compat_ioctl,
240 #endif
241                  .llseek = noop_llseek,
242         },
243
244         .name = DRIVER_NAME,
245         .desc = DRIVER_DESC,
246         .date = DRIVER_DATE,
247         .major = DRIVER_MAJOR,
248         .minor = DRIVER_MINOR,
249         .patchlevel = DRIVER_PATCHLEVEL,
250 };
251
252 static struct drm_driver kms_driver;
253
254 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
255 {
256         struct apertures_struct *ap;
257         bool primary = false;
258
259         ap = alloc_apertures(1);
260         ap->ranges[0].base = pci_resource_start(pdev, 0);
261         ap->ranges[0].size = pci_resource_len(pdev, 0);
262
263 #ifdef CONFIG_X86
264         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
265 #endif
266         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
267         kfree(ap);
268 }
269
270 static int __devinit
271 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
272 {
273         /* Get rid of things like offb */
274         radeon_kick_out_firmware_fb(pdev);
275
276         return drm_get_pci_dev(pdev, ent, &kms_driver);
277 }
278
279 static void
280 radeon_pci_remove(struct pci_dev *pdev)
281 {
282         struct drm_device *dev = pci_get_drvdata(pdev);
283
284         drm_put_dev(dev);
285 }
286
287 static int
288 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
289 {
290         struct drm_device *dev = pci_get_drvdata(pdev);
291         return radeon_suspend_kms(dev, state);
292 }
293
294 static int
295 radeon_pci_resume(struct pci_dev *pdev)
296 {
297         struct drm_device *dev = pci_get_drvdata(pdev);
298         return radeon_resume_kms(dev);
299 }
300
301 static struct drm_driver kms_driver = {
302         .driver_features =
303             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
304             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
305         .dev_priv_size = 0,
306         .load = radeon_driver_load_kms,
307         .firstopen = radeon_driver_firstopen_kms,
308         .open = radeon_driver_open_kms,
309         .preclose = radeon_driver_preclose_kms,
310         .postclose = radeon_driver_postclose_kms,
311         .lastclose = radeon_driver_lastclose_kms,
312         .unload = radeon_driver_unload_kms,
313         .suspend = radeon_suspend_kms,
314         .resume = radeon_resume_kms,
315         .get_vblank_counter = radeon_get_vblank_counter_kms,
316         .enable_vblank = radeon_enable_vblank_kms,
317         .disable_vblank = radeon_disable_vblank_kms,
318         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
319         .get_scanout_position = radeon_get_crtc_scanoutpos,
320 #if defined(CONFIG_DEBUG_FS)
321         .debugfs_init = radeon_debugfs_init,
322         .debugfs_cleanup = radeon_debugfs_cleanup,
323 #endif
324         .irq_preinstall = radeon_driver_irq_preinstall_kms,
325         .irq_postinstall = radeon_driver_irq_postinstall_kms,
326         .irq_uninstall = radeon_driver_irq_uninstall_kms,
327         .irq_handler = radeon_driver_irq_handler_kms,
328         .reclaim_buffers = drm_core_reclaim_buffers,
329         .ioctls = radeon_ioctls_kms,
330         .gem_init_object = radeon_gem_object_init,
331         .gem_free_object = radeon_gem_object_free,
332         .dma_ioctl = radeon_dma_ioctl_kms,
333         .dumb_create = radeon_mode_dumb_create,
334         .dumb_map_offset = radeon_mode_dumb_mmap,
335         .dumb_destroy = radeon_mode_dumb_destroy,
336         .fops = {
337                  .owner = THIS_MODULE,
338                  .open = drm_open,
339                  .release = drm_release,
340                  .unlocked_ioctl = drm_ioctl,
341                  .mmap = radeon_mmap,
342                  .poll = drm_poll,
343                  .fasync = drm_fasync,
344                  .read = drm_read,
345 #ifdef CONFIG_COMPAT
346                  .compat_ioctl = radeon_kms_compat_ioctl,
347 #endif
348         },
349
350         .name = DRIVER_NAME,
351         .desc = DRIVER_DESC,
352         .date = DRIVER_DATE,
353         .major = KMS_DRIVER_MAJOR,
354         .minor = KMS_DRIVER_MINOR,
355         .patchlevel = KMS_DRIVER_PATCHLEVEL,
356 };
357
358 static struct drm_driver *driver;
359 static struct pci_driver *pdriver;
360
361 static struct pci_driver radeon_pci_driver = {
362         .name = DRIVER_NAME,
363         .id_table = pciidlist,
364 };
365
366 static struct pci_driver radeon_kms_pci_driver = {
367         .name = DRIVER_NAME,
368         .id_table = pciidlist,
369         .probe = radeon_pci_probe,
370         .remove = radeon_pci_remove,
371         .suspend = radeon_pci_suspend,
372         .resume = radeon_pci_resume,
373 };
374
375 static int __init radeon_init(void)
376 {
377         driver = &driver_old;
378         pdriver = &radeon_pci_driver;
379         driver->num_ioctls = radeon_max_ioctl;
380 #ifdef CONFIG_VGA_CONSOLE
381         if (vgacon_text_force() && radeon_modeset == -1) {
382                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
383                 driver = &driver_old;
384                 pdriver = &radeon_pci_driver;
385                 driver->driver_features &= ~DRIVER_MODESET;
386                 radeon_modeset = 0;
387         }
388 #endif
389         /* if enabled by default */
390         if (radeon_modeset == -1) {
391 #ifdef CONFIG_DRM_RADEON_KMS
392                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
393                 radeon_modeset = 1;
394 #else
395                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
396                 radeon_modeset = 0;
397 #endif
398         }
399         if (radeon_modeset == 1) {
400                 DRM_INFO("radeon kernel modesetting enabled.\n");
401                 driver = &kms_driver;
402                 pdriver = &radeon_kms_pci_driver;
403                 driver->driver_features |= DRIVER_MODESET;
404                 driver->num_ioctls = radeon_max_kms_ioctl;
405                 radeon_register_atpx_handler();
406         }
407         /* if the vga console setting is enabled still
408          * let modprobe override it */
409         return drm_pci_init(driver, pdriver);
410 }
411
412 static void __exit radeon_exit(void)
413 {
414         drm_pci_exit(driver, pdriver);
415         radeon_unregister_atpx_handler();
416 }
417
418 module_init(radeon_init);
419 module_exit(radeon_exit);
420
421 MODULE_AUTHOR(DRIVER_AUTHOR);
422 MODULE_DESCRIPTION(DRIVER_DESC);
423 MODULE_LICENSE("GPL and additional rights");