drm/radeon: don't check mipmap alignment if MIP_ADDRESS is FMASK
[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 <drm/drmP.h>
33 #include <drm/radeon_drm.h>
34 #include "radeon_drv.h"
35
36 #include <drm/drm_pciids.h>
37 #include <linux/console.h>
38 #include <linux/module.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
54  *   2.11.0 - backend map, initial compute support for the CS checker
55  *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
56  *   2.13.0 - virtual memory support, streamout
57  *   2.14.0 - add evergreen tiling informations
58  *   2.15.0 - add max_pipes query
59  *   2.16.0 - fix evergreen 2D tiled surface calculation
60  *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
61  *   2.18.0 - r600-eg: allow "invalid" DB formats
62  *   2.19.0 - r600-eg: MSAA textures
63  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
64  *   2.21.0 - r600-r700: FMASK and CMASK
65  *   2.22.0 - r600 only: RESOLVE_BOX allowed
66  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
67  *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
68  *   2.25.0 - eg+: new info request for num SE and num SH
69  *   2.26.0 - r600-eg: fix htile size computation
70  *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
71  *   2.28.0 - r600-eg: Add MEM_WRITE packet support
72  *   2.29.0 - R500 FP16 color clear registers
73  *   2.30.0 - fix for FMASK texturing
74  */
75 #define KMS_DRIVER_MAJOR        2
76 #define KMS_DRIVER_MINOR        30
77 #define KMS_DRIVER_PATCHLEVEL   0
78 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
79 int radeon_driver_unload_kms(struct drm_device *dev);
80 int radeon_driver_firstopen_kms(struct drm_device *dev);
81 void radeon_driver_lastclose_kms(struct drm_device *dev);
82 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
83 void radeon_driver_postclose_kms(struct drm_device *dev,
84                                  struct drm_file *file_priv);
85 void radeon_driver_preclose_kms(struct drm_device *dev,
86                                 struct drm_file *file_priv);
87 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
88 int radeon_resume_kms(struct drm_device *dev);
89 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
90 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
91 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
92 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
93                                     int *max_error,
94                                     struct timeval *vblank_time,
95                                     unsigned flags);
96 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
97 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
98 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
99 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
100 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
101                          struct drm_file *file_priv);
102 int radeon_gem_object_init(struct drm_gem_object *obj);
103 void radeon_gem_object_free(struct drm_gem_object *obj);
104 int radeon_gem_object_open(struct drm_gem_object *obj,
105                                 struct drm_file *file_priv);
106 void radeon_gem_object_close(struct drm_gem_object *obj,
107                                 struct drm_file *file_priv);
108 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
109                                       int *vpos, int *hpos);
110 extern struct drm_ioctl_desc radeon_ioctls_kms[];
111 extern int radeon_max_kms_ioctl;
112 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
113 int radeon_mode_dumb_mmap(struct drm_file *filp,
114                           struct drm_device *dev,
115                           uint32_t handle, uint64_t *offset_p);
116 int radeon_mode_dumb_create(struct drm_file *file_priv,
117                             struct drm_device *dev,
118                             struct drm_mode_create_dumb *args);
119 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
120                              struct drm_device *dev,
121                              uint32_t handle);
122 struct sg_table *radeon_gem_prime_get_sg_table(struct drm_gem_object *obj);
123 struct drm_gem_object *radeon_gem_prime_import_sg_table(struct drm_device *dev,
124                                                         size_t size,
125                                                         struct sg_table *sg);
126 int radeon_gem_prime_pin(struct drm_gem_object *obj);
127 void *radeon_gem_prime_vmap(struct drm_gem_object *obj);
128 void radeon_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
129 extern long radeon_kms_compat_ioctl(struct file *filp, unsigned int cmd,
130                                     unsigned long arg);
131
132 #if defined(CONFIG_DEBUG_FS)
133 int radeon_debugfs_init(struct drm_minor *minor);
134 void radeon_debugfs_cleanup(struct drm_minor *minor);
135 #endif
136
137 /* atpx handler */
138 #if defined(CONFIG_VGA_SWITCHEROO)
139 void radeon_register_atpx_handler(void);
140 void radeon_unregister_atpx_handler(void);
141 #else
142 static inline void radeon_register_atpx_handler(void) {}
143 static inline void radeon_unregister_atpx_handler(void) {}
144 #endif
145
146 int radeon_no_wb;
147 int radeon_modeset = 1;
148 int radeon_dynclks = -1;
149 int radeon_r4xx_atom = 0;
150 int radeon_agpmode = 0;
151 int radeon_vram_limit = 0;
152 int radeon_gart_size = 512; /* default gart size */
153 int radeon_benchmarking = 0;
154 int radeon_testing = 0;
155 int radeon_connector_table = 0;
156 int radeon_tv = 1;
157 int radeon_audio = 0;
158 int radeon_disp_priority = 0;
159 int radeon_hw_i2c = 0;
160 int radeon_pcie_gen2 = -1;
161 int radeon_msi = -1;
162 int radeon_lockup_timeout = 10000;
163
164 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
165 module_param_named(no_wb, radeon_no_wb, int, 0444);
166
167 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
168 module_param_named(modeset, radeon_modeset, int, 0400);
169
170 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
171 module_param_named(dynclks, radeon_dynclks, int, 0444);
172
173 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
174 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
175
176 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
177 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
178
179 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
180 module_param_named(agpmode, radeon_agpmode, int, 0444);
181
182 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
183 module_param_named(gartsize, radeon_gart_size, int, 0600);
184
185 MODULE_PARM_DESC(benchmark, "Run benchmark");
186 module_param_named(benchmark, radeon_benchmarking, int, 0444);
187
188 MODULE_PARM_DESC(test, "Run tests");
189 module_param_named(test, radeon_testing, int, 0444);
190
191 MODULE_PARM_DESC(connector_table, "Force connector table");
192 module_param_named(connector_table, radeon_connector_table, int, 0444);
193
194 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
195 module_param_named(tv, radeon_tv, int, 0444);
196
197 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
198 module_param_named(audio, radeon_audio, int, 0444);
199
200 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
201 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
202
203 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
204 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
205
206 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
207 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
208
209 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
210 module_param_named(msi, radeon_msi, int, 0444);
211
212 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
213 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
214
215 static struct pci_device_id pciidlist[] = {
216         radeon_PCI_IDS
217 };
218
219 MODULE_DEVICE_TABLE(pci, pciidlist);
220
221 #ifdef CONFIG_DRM_RADEON_UMS
222
223 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
224 {
225         drm_radeon_private_t *dev_priv = dev->dev_private;
226
227         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
228                 return 0;
229
230         /* Disable *all* interrupts */
231         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
232                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
233         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
234         return 0;
235 }
236
237 static int radeon_resume(struct drm_device *dev)
238 {
239         drm_radeon_private_t *dev_priv = dev->dev_private;
240
241         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
242                 return 0;
243
244         /* Restore interrupt registers */
245         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
246                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
247         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
248         return 0;
249 }
250
251 static const struct file_operations radeon_driver_old_fops = {
252         .owner = THIS_MODULE,
253         .open = drm_open,
254         .release = drm_release,
255         .unlocked_ioctl = drm_ioctl,
256         .mmap = drm_mmap,
257         .poll = drm_poll,
258         .fasync = drm_fasync,
259         .read = drm_read,
260 #ifdef CONFIG_COMPAT
261         .compat_ioctl = radeon_compat_ioctl,
262 #endif
263         .llseek = noop_llseek,
264 };
265
266 static struct drm_driver driver_old = {
267         .driver_features =
268             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
269             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
270         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
271         .load = radeon_driver_load,
272         .firstopen = radeon_driver_firstopen,
273         .open = radeon_driver_open,
274         .preclose = radeon_driver_preclose,
275         .postclose = radeon_driver_postclose,
276         .lastclose = radeon_driver_lastclose,
277         .unload = radeon_driver_unload,
278         .suspend = radeon_suspend,
279         .resume = radeon_resume,
280         .get_vblank_counter = radeon_get_vblank_counter,
281         .enable_vblank = radeon_enable_vblank,
282         .disable_vblank = radeon_disable_vblank,
283         .master_create = radeon_master_create,
284         .master_destroy = radeon_master_destroy,
285         .irq_preinstall = radeon_driver_irq_preinstall,
286         .irq_postinstall = radeon_driver_irq_postinstall,
287         .irq_uninstall = radeon_driver_irq_uninstall,
288         .irq_handler = radeon_driver_irq_handler,
289         .ioctls = radeon_ioctls,
290         .dma_ioctl = radeon_cp_buffers,
291         .fops = &radeon_driver_old_fops,
292         .name = DRIVER_NAME,
293         .desc = DRIVER_DESC,
294         .date = DRIVER_DATE,
295         .major = DRIVER_MAJOR,
296         .minor = DRIVER_MINOR,
297         .patchlevel = DRIVER_PATCHLEVEL,
298 };
299
300 #endif
301
302 static struct drm_driver kms_driver;
303
304 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
305 {
306         struct apertures_struct *ap;
307         bool primary = false;
308
309         ap = alloc_apertures(1);
310         if (!ap)
311                 return -ENOMEM;
312
313         ap->ranges[0].base = pci_resource_start(pdev, 0);
314         ap->ranges[0].size = pci_resource_len(pdev, 0);
315
316 #ifdef CONFIG_X86
317         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
318 #endif
319         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
320         kfree(ap);
321
322         return 0;
323 }
324
325 static int radeon_pci_probe(struct pci_dev *pdev,
326                             const struct pci_device_id *ent)
327 {
328         int ret;
329
330         /* Get rid of things like offb */
331         ret = radeon_kick_out_firmware_fb(pdev);
332         if (ret)
333                 return ret;
334
335         return drm_get_pci_dev(pdev, ent, &kms_driver);
336 }
337
338 static void
339 radeon_pci_remove(struct pci_dev *pdev)
340 {
341         struct drm_device *dev = pci_get_drvdata(pdev);
342
343         drm_put_dev(dev);
344 }
345
346 static int
347 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
348 {
349         struct drm_device *dev = pci_get_drvdata(pdev);
350         return radeon_suspend_kms(dev, state);
351 }
352
353 static int
354 radeon_pci_resume(struct pci_dev *pdev)
355 {
356         struct drm_device *dev = pci_get_drvdata(pdev);
357         return radeon_resume_kms(dev);
358 }
359
360 static const struct file_operations radeon_driver_kms_fops = {
361         .owner = THIS_MODULE,
362         .open = drm_open,
363         .release = drm_release,
364         .unlocked_ioctl = drm_ioctl,
365         .mmap = radeon_mmap,
366         .poll = drm_poll,
367         .fasync = drm_fasync,
368         .read = drm_read,
369 #ifdef CONFIG_COMPAT
370         .compat_ioctl = radeon_kms_compat_ioctl,
371 #endif
372 };
373
374 static struct drm_driver kms_driver = {
375         .driver_features =
376             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
377             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
378             DRIVER_PRIME,
379         .dev_priv_size = 0,
380         .load = radeon_driver_load_kms,
381         .firstopen = radeon_driver_firstopen_kms,
382         .open = radeon_driver_open_kms,
383         .preclose = radeon_driver_preclose_kms,
384         .postclose = radeon_driver_postclose_kms,
385         .lastclose = radeon_driver_lastclose_kms,
386         .unload = radeon_driver_unload_kms,
387         .suspend = radeon_suspend_kms,
388         .resume = radeon_resume_kms,
389         .get_vblank_counter = radeon_get_vblank_counter_kms,
390         .enable_vblank = radeon_enable_vblank_kms,
391         .disable_vblank = radeon_disable_vblank_kms,
392         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
393         .get_scanout_position = radeon_get_crtc_scanoutpos,
394 #if defined(CONFIG_DEBUG_FS)
395         .debugfs_init = radeon_debugfs_init,
396         .debugfs_cleanup = radeon_debugfs_cleanup,
397 #endif
398         .irq_preinstall = radeon_driver_irq_preinstall_kms,
399         .irq_postinstall = radeon_driver_irq_postinstall_kms,
400         .irq_uninstall = radeon_driver_irq_uninstall_kms,
401         .irq_handler = radeon_driver_irq_handler_kms,
402         .ioctls = radeon_ioctls_kms,
403         .gem_init_object = radeon_gem_object_init,
404         .gem_free_object = radeon_gem_object_free,
405         .gem_open_object = radeon_gem_object_open,
406         .gem_close_object = radeon_gem_object_close,
407         .dma_ioctl = radeon_dma_ioctl_kms,
408         .dumb_create = radeon_mode_dumb_create,
409         .dumb_map_offset = radeon_mode_dumb_mmap,
410         .dumb_destroy = radeon_mode_dumb_destroy,
411         .fops = &radeon_driver_kms_fops,
412
413         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
414         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
415         .gem_prime_export = drm_gem_prime_export,
416         .gem_prime_import = drm_gem_prime_import,
417         .gem_prime_pin = radeon_gem_prime_pin,
418         .gem_prime_get_sg_table = radeon_gem_prime_get_sg_table,
419         .gem_prime_import_sg_table = radeon_gem_prime_import_sg_table,
420         .gem_prime_vmap = radeon_gem_prime_vmap,
421         .gem_prime_vunmap = radeon_gem_prime_vunmap,
422
423         .name = DRIVER_NAME,
424         .desc = DRIVER_DESC,
425         .date = DRIVER_DATE,
426         .major = KMS_DRIVER_MAJOR,
427         .minor = KMS_DRIVER_MINOR,
428         .patchlevel = KMS_DRIVER_PATCHLEVEL,
429 };
430
431 static struct drm_driver *driver;
432 static struct pci_driver *pdriver;
433
434 #ifdef CONFIG_DRM_RADEON_UMS
435 static struct pci_driver radeon_pci_driver = {
436         .name = DRIVER_NAME,
437         .id_table = pciidlist,
438 };
439 #endif
440
441 static struct pci_driver radeon_kms_pci_driver = {
442         .name = DRIVER_NAME,
443         .id_table = pciidlist,
444         .probe = radeon_pci_probe,
445         .remove = radeon_pci_remove,
446         .suspend = radeon_pci_suspend,
447         .resume = radeon_pci_resume,
448 };
449
450 static int __init radeon_init(void)
451 {
452         if (radeon_modeset == 1) {
453                 DRM_INFO("radeon kernel modesetting enabled.\n");
454                 driver = &kms_driver;
455                 pdriver = &radeon_kms_pci_driver;
456                 driver->driver_features |= DRIVER_MODESET;
457                 driver->num_ioctls = radeon_max_kms_ioctl;
458                 radeon_register_atpx_handler();
459
460         } else {
461 #ifdef CONFIG_DRM_RADEON_UMS
462                 DRM_INFO("radeon userspace modesetting enabled.\n");
463                 driver = &driver_old;
464                 pdriver = &radeon_pci_driver;
465                 driver->driver_features &= ~DRIVER_MODESET;
466                 driver->num_ioctls = radeon_max_ioctl;
467 #else
468                 DRM_ERROR("No UMS support in radeon module!\n");
469                 return -EINVAL;
470 #endif
471         }
472
473         /* let modprobe override vga console setting */
474         return drm_pci_init(driver, pdriver);
475 }
476
477 static void __exit radeon_exit(void)
478 {
479         drm_pci_exit(driver, pdriver);
480         radeon_unregister_atpx_handler();
481 }
482
483 module_init(radeon_init);
484 module_exit(radeon_exit);
485
486 MODULE_AUTHOR(DRIVER_AUTHOR);
487 MODULE_DESCRIPTION(DRIVER_DESC);
488 MODULE_LICENSE("GPL and additional rights");