dcea6f01ae4e2ec3fe60def4a345c2528d3fedc9
[linux-3.10.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 #include <linux/module.h>
40
41
42 /*
43  * KMS wrapper.
44  * - 2.0.0 - initial interface
45  * - 2.1.0 - add square tiling interface
46  * - 2.2.0 - add r6xx/r7xx const buffer support
47  * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
48  * - 2.4.0 - add crtc id query
49  * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
50  * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
51  *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
52  *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
53  *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
54  *   2.10.0 - fusion 2D tiling
55  *   2.11.0 - backend map, initial compute support for the CS checker
56  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
57  *   2.13.0 - virtual memory support, streamout
58  *   2.14.0 - add evergreen tiling informations
59  *   2.15.0 - add max_pipes query
60  *   2.16.0 - fix evergreen 2D tiled surface calculation
61  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
62  */
63 #define KMS_DRIVER_MAJOR        2
64 #define KMS_DRIVER_MINOR        17
65 #define KMS_DRIVER_PATCHLEVEL   0
66 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
67 int radeon_driver_unload_kms(struct drm_device *dev);
68 int radeon_driver_firstopen_kms(struct drm_device *dev);
69 void radeon_driver_lastclose_kms(struct drm_device *dev);
70 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
71 void radeon_driver_postclose_kms(struct drm_device *dev,
72                                  struct drm_file *file_priv);
73 void radeon_driver_preclose_kms(struct drm_device *dev,
74                                 struct drm_file *file_priv);
75 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
76 int radeon_resume_kms(struct drm_device *dev);
77 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
78 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
79 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
80 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
81                                     int *max_error,
82                                     struct timeval *vblank_time,
83                                     unsigned flags);
84 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
85 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
86 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
87 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
88 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
89                          struct drm_file *file_priv);
90 int radeon_gem_object_init(struct drm_gem_object *obj);
91 void radeon_gem_object_free(struct drm_gem_object *obj);
92 int radeon_gem_object_open(struct drm_gem_object *obj,
93                                 struct drm_file *file_priv);
94 void radeon_gem_object_close(struct drm_gem_object *obj,
95                                 struct drm_file *file_priv);
96 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
97                                       int *vpos, int *hpos);
98 extern struct drm_ioctl_desc radeon_ioctls_kms[];
99 extern int radeon_max_kms_ioctl;
100 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
101 int radeon_mode_dumb_mmap(struct drm_file *filp,
102                           struct drm_device *dev,
103                           uint32_t handle, uint64_t *offset_p);
104 int radeon_mode_dumb_create(struct drm_file *file_priv,
105                             struct drm_device *dev,
106                             struct drm_mode_create_dumb *args);
107 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
108                              struct drm_device *dev,
109                              uint32_t handle);
110 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
111                                         struct drm_gem_object *obj,
112                                         int flags);
113 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
114                                                struct dma_buf *dma_buf);
115
116 #if defined(CONFIG_DEBUG_FS)
117 int radeon_debugfs_init(struct drm_minor *minor);
118 void radeon_debugfs_cleanup(struct drm_minor *minor);
119 #endif
120
121
122 int radeon_no_wb;
123 int radeon_modeset = -1;
124 int radeon_dynclks = -1;
125 int radeon_r4xx_atom = 0;
126 int radeon_agpmode = 0;
127 int radeon_vram_limit = 0;
128 int radeon_gart_size = 512; /* default gart size */
129 int radeon_benchmarking = 0;
130 int radeon_testing = 0;
131 int radeon_connector_table = 0;
132 int radeon_tv = 1;
133 int radeon_audio = 0;
134 int radeon_disp_priority = 0;
135 int radeon_hw_i2c = 0;
136 int radeon_pcie_gen2 = -1;
137 int radeon_msi = -1;
138 int radeon_lockup_timeout = 10000;
139
140 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
141 module_param_named(no_wb, radeon_no_wb, int, 0444);
142
143 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
144 module_param_named(modeset, radeon_modeset, int, 0400);
145
146 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
147 module_param_named(dynclks, radeon_dynclks, int, 0444);
148
149 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
150 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
151
152 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
153 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
154
155 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
156 module_param_named(agpmode, radeon_agpmode, int, 0444);
157
158 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
159 module_param_named(gartsize, radeon_gart_size, int, 0600);
160
161 MODULE_PARM_DESC(benchmark, "Run benchmark");
162 module_param_named(benchmark, radeon_benchmarking, int, 0444);
163
164 MODULE_PARM_DESC(test, "Run tests");
165 module_param_named(test, radeon_testing, int, 0444);
166
167 MODULE_PARM_DESC(connector_table, "Force connector table");
168 module_param_named(connector_table, radeon_connector_table, int, 0444);
169
170 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
171 module_param_named(tv, radeon_tv, int, 0444);
172
173 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
174 module_param_named(audio, radeon_audio, int, 0444);
175
176 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
177 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
178
179 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
180 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
181
182 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
183 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
184
185 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
186 module_param_named(msi, radeon_msi, int, 0444);
187
188 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
189 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
190
191 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
192 {
193         drm_radeon_private_t *dev_priv = dev->dev_private;
194
195         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
196                 return 0;
197
198         /* Disable *all* interrupts */
199         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
200                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
201         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
202         return 0;
203 }
204
205 static int radeon_resume(struct drm_device *dev)
206 {
207         drm_radeon_private_t *dev_priv = dev->dev_private;
208
209         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
210                 return 0;
211
212         /* Restore interrupt registers */
213         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
214                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
215         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
216         return 0;
217 }
218
219 static struct pci_device_id pciidlist[] = {
220         radeon_PCI_IDS
221 };
222
223 #if defined(CONFIG_DRM_RADEON_KMS)
224 MODULE_DEVICE_TABLE(pci, pciidlist);
225 #endif
226
227 static const struct file_operations radeon_driver_old_fops = {
228         .owner = THIS_MODULE,
229         .open = drm_open,
230         .release = drm_release,
231         .unlocked_ioctl = drm_ioctl,
232         .mmap = drm_mmap,
233         .poll = drm_poll,
234         .fasync = drm_fasync,
235         .read = drm_read,
236 #ifdef CONFIG_COMPAT
237         .compat_ioctl = radeon_compat_ioctl,
238 #endif
239         .llseek = noop_llseek,
240 };
241
242 static struct drm_driver driver_old = {
243         .driver_features =
244             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
245             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
246         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
247         .load = radeon_driver_load,
248         .firstopen = radeon_driver_firstopen,
249         .open = radeon_driver_open,
250         .preclose = radeon_driver_preclose,
251         .postclose = radeon_driver_postclose,
252         .lastclose = radeon_driver_lastclose,
253         .unload = radeon_driver_unload,
254         .suspend = radeon_suspend,
255         .resume = radeon_resume,
256         .get_vblank_counter = radeon_get_vblank_counter,
257         .enable_vblank = radeon_enable_vblank,
258         .disable_vblank = radeon_disable_vblank,
259         .master_create = radeon_master_create,
260         .master_destroy = radeon_master_destroy,
261         .irq_preinstall = radeon_driver_irq_preinstall,
262         .irq_postinstall = radeon_driver_irq_postinstall,
263         .irq_uninstall = radeon_driver_irq_uninstall,
264         .irq_handler = radeon_driver_irq_handler,
265         .ioctls = radeon_ioctls,
266         .dma_ioctl = radeon_cp_buffers,
267         .fops = &radeon_driver_old_fops,
268         .name = DRIVER_NAME,
269         .desc = DRIVER_DESC,
270         .date = DRIVER_DATE,
271         .major = DRIVER_MAJOR,
272         .minor = DRIVER_MINOR,
273         .patchlevel = DRIVER_PATCHLEVEL,
274 };
275
276 static struct drm_driver kms_driver;
277
278 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
279 {
280         struct apertures_struct *ap;
281         bool primary = false;
282
283         ap = alloc_apertures(1);
284         ap->ranges[0].base = pci_resource_start(pdev, 0);
285         ap->ranges[0].size = pci_resource_len(pdev, 0);
286
287 #ifdef CONFIG_X86
288         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
289 #endif
290         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
291         kfree(ap);
292 }
293
294 static int __devinit
295 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
296 {
297         /* Get rid of things like offb */
298         radeon_kick_out_firmware_fb(pdev);
299
300         return drm_get_pci_dev(pdev, ent, &kms_driver);
301 }
302
303 static void
304 radeon_pci_remove(struct pci_dev *pdev)
305 {
306         struct drm_device *dev = pci_get_drvdata(pdev);
307
308         drm_put_dev(dev);
309 }
310
311 static int
312 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
313 {
314         struct drm_device *dev = pci_get_drvdata(pdev);
315         return radeon_suspend_kms(dev, state);
316 }
317
318 static int
319 radeon_pci_resume(struct pci_dev *pdev)
320 {
321         struct drm_device *dev = pci_get_drvdata(pdev);
322         return radeon_resume_kms(dev);
323 }
324
325 static const struct file_operations radeon_driver_kms_fops = {
326         .owner = THIS_MODULE,
327         .open = drm_open,
328         .release = drm_release,
329         .unlocked_ioctl = drm_ioctl,
330         .mmap = radeon_mmap,
331         .poll = drm_poll,
332         .fasync = drm_fasync,
333         .read = drm_read,
334 #ifdef CONFIG_COMPAT
335         .compat_ioctl = radeon_kms_compat_ioctl,
336 #endif
337 };
338
339 static struct drm_driver kms_driver = {
340         .driver_features =
341             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
342             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
343             DRIVER_PRIME,
344         .dev_priv_size = 0,
345         .load = radeon_driver_load_kms,
346         .firstopen = radeon_driver_firstopen_kms,
347         .open = radeon_driver_open_kms,
348         .preclose = radeon_driver_preclose_kms,
349         .postclose = radeon_driver_postclose_kms,
350         .lastclose = radeon_driver_lastclose_kms,
351         .unload = radeon_driver_unload_kms,
352         .suspend = radeon_suspend_kms,
353         .resume = radeon_resume_kms,
354         .get_vblank_counter = radeon_get_vblank_counter_kms,
355         .enable_vblank = radeon_enable_vblank_kms,
356         .disable_vblank = radeon_disable_vblank_kms,
357         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
358         .get_scanout_position = radeon_get_crtc_scanoutpos,
359 #if defined(CONFIG_DEBUG_FS)
360         .debugfs_init = radeon_debugfs_init,
361         .debugfs_cleanup = radeon_debugfs_cleanup,
362 #endif
363         .irq_preinstall = radeon_driver_irq_preinstall_kms,
364         .irq_postinstall = radeon_driver_irq_postinstall_kms,
365         .irq_uninstall = radeon_driver_irq_uninstall_kms,
366         .irq_handler = radeon_driver_irq_handler_kms,
367         .ioctls = radeon_ioctls_kms,
368         .gem_init_object = radeon_gem_object_init,
369         .gem_free_object = radeon_gem_object_free,
370         .gem_open_object = radeon_gem_object_open,
371         .gem_close_object = radeon_gem_object_close,
372         .dma_ioctl = radeon_dma_ioctl_kms,
373         .dumb_create = radeon_mode_dumb_create,
374         .dumb_map_offset = radeon_mode_dumb_mmap,
375         .dumb_destroy = radeon_mode_dumb_destroy,
376         .fops = &radeon_driver_kms_fops,
377
378         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
379         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
380         .gem_prime_export = radeon_gem_prime_export,
381         .gem_prime_import = radeon_gem_prime_import,
382
383         .name = DRIVER_NAME,
384         .desc = DRIVER_DESC,
385         .date = DRIVER_DATE,
386         .major = KMS_DRIVER_MAJOR,
387         .minor = KMS_DRIVER_MINOR,
388         .patchlevel = KMS_DRIVER_PATCHLEVEL,
389 };
390
391 static struct drm_driver *driver;
392 static struct pci_driver *pdriver;
393
394 static struct pci_driver radeon_pci_driver = {
395         .name = DRIVER_NAME,
396         .id_table = pciidlist,
397 };
398
399 static struct pci_driver radeon_kms_pci_driver = {
400         .name = DRIVER_NAME,
401         .id_table = pciidlist,
402         .probe = radeon_pci_probe,
403         .remove = radeon_pci_remove,
404         .suspend = radeon_pci_suspend,
405         .resume = radeon_pci_resume,
406 };
407
408 static int __init radeon_init(void)
409 {
410         driver = &driver_old;
411         pdriver = &radeon_pci_driver;
412         driver->num_ioctls = radeon_max_ioctl;
413 #ifdef CONFIG_VGA_CONSOLE
414         if (vgacon_text_force() && radeon_modeset == -1) {
415                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
416                 driver = &driver_old;
417                 pdriver = &radeon_pci_driver;
418                 driver->driver_features &= ~DRIVER_MODESET;
419                 radeon_modeset = 0;
420         }
421 #endif
422         /* if enabled by default */
423         if (radeon_modeset == -1) {
424 #ifdef CONFIG_DRM_RADEON_KMS
425                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
426                 radeon_modeset = 1;
427 #else
428                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
429                 radeon_modeset = 0;
430 #endif
431         }
432         if (radeon_modeset == 1) {
433                 DRM_INFO("radeon kernel modesetting enabled.\n");
434                 driver = &kms_driver;
435                 pdriver = &radeon_kms_pci_driver;
436                 driver->driver_features |= DRIVER_MODESET;
437                 driver->num_ioctls = radeon_max_kms_ioctl;
438                 radeon_register_atpx_handler();
439         }
440         /* if the vga console setting is enabled still
441          * let modprobe override it */
442         return drm_pci_init(driver, pdriver);
443 }
444
445 static void __exit radeon_exit(void)
446 {
447         drm_pci_exit(driver, pdriver);
448         radeon_unregister_atpx_handler();
449 }
450
451 module_init(radeon_init);
452 module_exit(radeon_exit);
453
454 MODULE_AUTHOR(DRIVER_AUTHOR);
455 MODULE_DESCRIPTION(DRIVER_DESC);
456 MODULE_LICENSE("GPL and additional rights");