drm/radeon/kms: allow STRMOUT_BASE_UPDATE on RS780 and RS880
[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  *   2.18.0 - r600-eg: allow "invalid" DB formats
63  *   2.19.0 - r600-eg: MSAA textures
64  *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
65  *   2.21.0 - r600-r700: FMASK and CMASK
66  *   2.22.0 - r600 only: RESOLVE_BOX allowed
67  *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
68  */
69 #define KMS_DRIVER_MAJOR        2
70 #define KMS_DRIVER_MINOR        23
71 #define KMS_DRIVER_PATCHLEVEL   0
72 int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
73 int radeon_driver_unload_kms(struct drm_device *dev);
74 int radeon_driver_firstopen_kms(struct drm_device *dev);
75 void radeon_driver_lastclose_kms(struct drm_device *dev);
76 int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
77 void radeon_driver_postclose_kms(struct drm_device *dev,
78                                  struct drm_file *file_priv);
79 void radeon_driver_preclose_kms(struct drm_device *dev,
80                                 struct drm_file *file_priv);
81 int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
82 int radeon_resume_kms(struct drm_device *dev);
83 u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
84 int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
85 void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
86 int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
87                                     int *max_error,
88                                     struct timeval *vblank_time,
89                                     unsigned flags);
90 void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
91 int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
92 void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
93 irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
94 int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
95                          struct drm_file *file_priv);
96 int radeon_gem_object_init(struct drm_gem_object *obj);
97 void radeon_gem_object_free(struct drm_gem_object *obj);
98 int radeon_gem_object_open(struct drm_gem_object *obj,
99                                 struct drm_file *file_priv);
100 void radeon_gem_object_close(struct drm_gem_object *obj,
101                                 struct drm_file *file_priv);
102 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
103                                       int *vpos, int *hpos);
104 extern struct drm_ioctl_desc radeon_ioctls_kms[];
105 extern int radeon_max_kms_ioctl;
106 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
107 int radeon_mode_dumb_mmap(struct drm_file *filp,
108                           struct drm_device *dev,
109                           uint32_t handle, uint64_t *offset_p);
110 int radeon_mode_dumb_create(struct drm_file *file_priv,
111                             struct drm_device *dev,
112                             struct drm_mode_create_dumb *args);
113 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
114                              struct drm_device *dev,
115                              uint32_t handle);
116 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
117                                         struct drm_gem_object *obj,
118                                         int flags);
119 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
120                                                struct dma_buf *dma_buf);
121
122 #if defined(CONFIG_DEBUG_FS)
123 int radeon_debugfs_init(struct drm_minor *minor);
124 void radeon_debugfs_cleanup(struct drm_minor *minor);
125 #endif
126
127
128 int radeon_no_wb;
129 int radeon_modeset = -1;
130 int radeon_dynclks = -1;
131 int radeon_r4xx_atom = 0;
132 int radeon_agpmode = 0;
133 int radeon_vram_limit = 0;
134 int radeon_gart_size = 512; /* default gart size */
135 int radeon_benchmarking = 0;
136 int radeon_testing = 0;
137 int radeon_connector_table = 0;
138 int radeon_tv = 1;
139 int radeon_audio = 0;
140 int radeon_disp_priority = 0;
141 int radeon_hw_i2c = 0;
142 int radeon_pcie_gen2 = -1;
143 int radeon_msi = -1;
144 int radeon_lockup_timeout = 10000;
145
146 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
147 module_param_named(no_wb, radeon_no_wb, int, 0444);
148
149 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
150 module_param_named(modeset, radeon_modeset, int, 0400);
151
152 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
153 module_param_named(dynclks, radeon_dynclks, int, 0444);
154
155 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
156 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
157
158 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
159 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
160
161 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
162 module_param_named(agpmode, radeon_agpmode, int, 0444);
163
164 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
165 module_param_named(gartsize, radeon_gart_size, int, 0600);
166
167 MODULE_PARM_DESC(benchmark, "Run benchmark");
168 module_param_named(benchmark, radeon_benchmarking, int, 0444);
169
170 MODULE_PARM_DESC(test, "Run tests");
171 module_param_named(test, radeon_testing, int, 0444);
172
173 MODULE_PARM_DESC(connector_table, "Force connector table");
174 module_param_named(connector_table, radeon_connector_table, int, 0444);
175
176 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
177 module_param_named(tv, radeon_tv, int, 0444);
178
179 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
180 module_param_named(audio, radeon_audio, int, 0444);
181
182 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
183 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
184
185 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
186 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
187
188 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
189 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
190
191 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
192 module_param_named(msi, radeon_msi, int, 0444);
193
194 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
195 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
196
197 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
198 {
199         drm_radeon_private_t *dev_priv = dev->dev_private;
200
201         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
202                 return 0;
203
204         /* Disable *all* interrupts */
205         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
206                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
207         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
208         return 0;
209 }
210
211 static int radeon_resume(struct drm_device *dev)
212 {
213         drm_radeon_private_t *dev_priv = dev->dev_private;
214
215         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
216                 return 0;
217
218         /* Restore interrupt registers */
219         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
220                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
221         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
222         return 0;
223 }
224
225 static struct pci_device_id pciidlist[] = {
226         radeon_PCI_IDS
227 };
228
229 #if defined(CONFIG_DRM_RADEON_KMS)
230 MODULE_DEVICE_TABLE(pci, pciidlist);
231 #endif
232
233 static const struct file_operations radeon_driver_old_fops = {
234         .owner = THIS_MODULE,
235         .open = drm_open,
236         .release = drm_release,
237         .unlocked_ioctl = drm_ioctl,
238         .mmap = drm_mmap,
239         .poll = drm_poll,
240         .fasync = drm_fasync,
241         .read = drm_read,
242 #ifdef CONFIG_COMPAT
243         .compat_ioctl = radeon_compat_ioctl,
244 #endif
245         .llseek = noop_llseek,
246 };
247
248 static struct drm_driver driver_old = {
249         .driver_features =
250             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
251             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
252         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
253         .load = radeon_driver_load,
254         .firstopen = radeon_driver_firstopen,
255         .open = radeon_driver_open,
256         .preclose = radeon_driver_preclose,
257         .postclose = radeon_driver_postclose,
258         .lastclose = radeon_driver_lastclose,
259         .unload = radeon_driver_unload,
260         .suspend = radeon_suspend,
261         .resume = radeon_resume,
262         .get_vblank_counter = radeon_get_vblank_counter,
263         .enable_vblank = radeon_enable_vblank,
264         .disable_vblank = radeon_disable_vblank,
265         .master_create = radeon_master_create,
266         .master_destroy = radeon_master_destroy,
267         .irq_preinstall = radeon_driver_irq_preinstall,
268         .irq_postinstall = radeon_driver_irq_postinstall,
269         .irq_uninstall = radeon_driver_irq_uninstall,
270         .irq_handler = radeon_driver_irq_handler,
271         .ioctls = radeon_ioctls,
272         .dma_ioctl = radeon_cp_buffers,
273         .fops = &radeon_driver_old_fops,
274         .name = DRIVER_NAME,
275         .desc = DRIVER_DESC,
276         .date = DRIVER_DATE,
277         .major = DRIVER_MAJOR,
278         .minor = DRIVER_MINOR,
279         .patchlevel = DRIVER_PATCHLEVEL,
280 };
281
282 static struct drm_driver kms_driver;
283
284 static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
285 {
286         struct apertures_struct *ap;
287         bool primary = false;
288
289         ap = alloc_apertures(1);
290         ap->ranges[0].base = pci_resource_start(pdev, 0);
291         ap->ranges[0].size = pci_resource_len(pdev, 0);
292
293 #ifdef CONFIG_X86
294         primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
295 #endif
296         remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
297         kfree(ap);
298 }
299
300 static int __devinit
301 radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
302 {
303         /* Get rid of things like offb */
304         radeon_kick_out_firmware_fb(pdev);
305
306         return drm_get_pci_dev(pdev, ent, &kms_driver);
307 }
308
309 static void
310 radeon_pci_remove(struct pci_dev *pdev)
311 {
312         struct drm_device *dev = pci_get_drvdata(pdev);
313
314         drm_put_dev(dev);
315 }
316
317 static int
318 radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
319 {
320         struct drm_device *dev = pci_get_drvdata(pdev);
321         return radeon_suspend_kms(dev, state);
322 }
323
324 static int
325 radeon_pci_resume(struct pci_dev *pdev)
326 {
327         struct drm_device *dev = pci_get_drvdata(pdev);
328         return radeon_resume_kms(dev);
329 }
330
331 static const struct file_operations radeon_driver_kms_fops = {
332         .owner = THIS_MODULE,
333         .open = drm_open,
334         .release = drm_release,
335         .unlocked_ioctl = drm_ioctl,
336         .mmap = radeon_mmap,
337         .poll = drm_poll,
338         .fasync = drm_fasync,
339         .read = drm_read,
340 #ifdef CONFIG_COMPAT
341         .compat_ioctl = radeon_kms_compat_ioctl,
342 #endif
343 };
344
345 static struct drm_driver kms_driver = {
346         .driver_features =
347             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
348             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
349             DRIVER_PRIME,
350         .dev_priv_size = 0,
351         .load = radeon_driver_load_kms,
352         .firstopen = radeon_driver_firstopen_kms,
353         .open = radeon_driver_open_kms,
354         .preclose = radeon_driver_preclose_kms,
355         .postclose = radeon_driver_postclose_kms,
356         .lastclose = radeon_driver_lastclose_kms,
357         .unload = radeon_driver_unload_kms,
358         .suspend = radeon_suspend_kms,
359         .resume = radeon_resume_kms,
360         .get_vblank_counter = radeon_get_vblank_counter_kms,
361         .enable_vblank = radeon_enable_vblank_kms,
362         .disable_vblank = radeon_disable_vblank_kms,
363         .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
364         .get_scanout_position = radeon_get_crtc_scanoutpos,
365 #if defined(CONFIG_DEBUG_FS)
366         .debugfs_init = radeon_debugfs_init,
367         .debugfs_cleanup = radeon_debugfs_cleanup,
368 #endif
369         .irq_preinstall = radeon_driver_irq_preinstall_kms,
370         .irq_postinstall = radeon_driver_irq_postinstall_kms,
371         .irq_uninstall = radeon_driver_irq_uninstall_kms,
372         .irq_handler = radeon_driver_irq_handler_kms,
373         .ioctls = radeon_ioctls_kms,
374         .gem_init_object = radeon_gem_object_init,
375         .gem_free_object = radeon_gem_object_free,
376         .gem_open_object = radeon_gem_object_open,
377         .gem_close_object = radeon_gem_object_close,
378         .dma_ioctl = radeon_dma_ioctl_kms,
379         .dumb_create = radeon_mode_dumb_create,
380         .dumb_map_offset = radeon_mode_dumb_mmap,
381         .dumb_destroy = radeon_mode_dumb_destroy,
382         .fops = &radeon_driver_kms_fops,
383
384         .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
385         .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
386         .gem_prime_export = radeon_gem_prime_export,
387         .gem_prime_import = radeon_gem_prime_import,
388
389         .name = DRIVER_NAME,
390         .desc = DRIVER_DESC,
391         .date = DRIVER_DATE,
392         .major = KMS_DRIVER_MAJOR,
393         .minor = KMS_DRIVER_MINOR,
394         .patchlevel = KMS_DRIVER_PATCHLEVEL,
395 };
396
397 static struct drm_driver *driver;
398 static struct pci_driver *pdriver;
399
400 static struct pci_driver radeon_pci_driver = {
401         .name = DRIVER_NAME,
402         .id_table = pciidlist,
403 };
404
405 static struct pci_driver radeon_kms_pci_driver = {
406         .name = DRIVER_NAME,
407         .id_table = pciidlist,
408         .probe = radeon_pci_probe,
409         .remove = radeon_pci_remove,
410         .suspend = radeon_pci_suspend,
411         .resume = radeon_pci_resume,
412 };
413
414 static int __init radeon_init(void)
415 {
416         driver = &driver_old;
417         pdriver = &radeon_pci_driver;
418         driver->num_ioctls = radeon_max_ioctl;
419 #ifdef CONFIG_VGA_CONSOLE
420         if (vgacon_text_force() && radeon_modeset == -1) {
421                 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
422                 driver = &driver_old;
423                 pdriver = &radeon_pci_driver;
424                 driver->driver_features &= ~DRIVER_MODESET;
425                 radeon_modeset = 0;
426         }
427 #endif
428         /* if enabled by default */
429         if (radeon_modeset == -1) {
430 #ifdef CONFIG_DRM_RADEON_KMS
431                 DRM_INFO("radeon defaulting to kernel modesetting.\n");
432                 radeon_modeset = 1;
433 #else
434                 DRM_INFO("radeon defaulting to userspace modesetting.\n");
435                 radeon_modeset = 0;
436 #endif
437         }
438         if (radeon_modeset == 1) {
439                 DRM_INFO("radeon kernel modesetting enabled.\n");
440                 driver = &kms_driver;
441                 pdriver = &radeon_kms_pci_driver;
442                 driver->driver_features |= DRIVER_MODESET;
443                 driver->num_ioctls = radeon_max_kms_ioctl;
444                 radeon_register_atpx_handler();
445         }
446         /* if the vga console setting is enabled still
447          * let modprobe override it */
448         return drm_pci_init(driver, pdriver);
449 }
450
451 static void __exit radeon_exit(void)
452 {
453         drm_pci_exit(driver, pdriver);
454         radeon_unregister_atpx_handler();
455 }
456
457 module_init(radeon_init);
458 module_exit(radeon_exit);
459
460 MODULE_AUTHOR(DRIVER_AUTHOR);
461 MODULE_DESCRIPTION(DRIVER_DESC);
462 MODULE_LICENSE("GPL and additional rights");