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 <sys/cdefs.h>
33 __FBSDID("$FreeBSD: stable/9/sys/dev/drm2/radeon/radeon_drv.c 267430 2014-06-12 22:42:31Z dumbbell $");
34
35 #include <dev/drm2/drmP.h>
36 #include <dev/drm2/radeon/radeon_drm.h>
37 #include "radeon_drv.h"
38 #include "radeon_gem.h"
39 #include "radeon_kms.h"
40 #include "radeon_irq_kms.h"
41
42 #include <dev/drm2/drm_pciids.h>
43
44 #include "fb_if.h"
45
46 /*
47 * KMS wrapper.
48 * - 2.0.0 - initial interface
49 * - 2.1.0 - add square tiling interface
50 * - 2.2.0 - add r6xx/r7xx const buffer support
51 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
52 * - 2.4.0 - add crtc id query
53 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
54 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
55 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
56 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
57 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
58 * 2.10.0 - fusion 2D tiling
59 * 2.11.0 - backend map, initial compute support for the CS checker
60 * 2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
61 * 2.13.0 - virtual memory support, streamout
62 * 2.14.0 - add evergreen tiling informations
63 * 2.15.0 - add max_pipes query
64 * 2.16.0 - fix evergreen 2D tiled surface calculation
65 * 2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
66 * 2.18.0 - r600-eg: allow "invalid" DB formats
67 * 2.19.0 - r600-eg: MSAA textures
68 * 2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
69 * 2.21.0 - r600-r700: FMASK and CMASK
70 * 2.22.0 - r600 only: RESOLVE_BOX allowed
71 * 2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
72 * 2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
73 * 2.25.0 - eg+: new info request for num SE and num SH
74 * 2.26.0 - r600-eg: fix htile size computation
75 * 2.27.0 - r600-SI: Add CS ioctl support for async DMA
76 * 2.28.0 - r600-eg: Add MEM_WRITE packet support
77 * 2.29.0 - R500 FP16 color clear registers
78 */
79 #define KMS_DRIVER_MAJOR 2
80 #define KMS_DRIVER_MINOR 29
81 #define KMS_DRIVER_PATCHLEVEL 0
82 int radeon_suspend_kms(struct drm_device *dev);
83 int radeon_resume_kms(struct drm_device *dev);
84 extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
85 int *vpos, int *hpos);
86 extern struct drm_ioctl_desc radeon_ioctls_kms[];
87 extern int radeon_max_kms_ioctl;
88 #ifdef COMPAT_FREEBSD32
89 extern struct drm_ioctl_desc radeon_compat_ioctls[];
90 extern int radeon_num_compat_ioctls;
91 #endif
92 #ifdef DUMBBELL_WIP
93 int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
94 #endif /* DUMBBELL_WIP */
95 int radeon_mode_dumb_mmap(struct drm_file *filp,
96 struct drm_device *dev,
97 uint32_t handle, uint64_t *offset_p);
98 int radeon_mode_dumb_create(struct drm_file *file_priv,
99 struct drm_device *dev,
100 struct drm_mode_create_dumb *args);
101 int radeon_mode_dumb_destroy(struct drm_file *file_priv,
102 struct drm_device *dev,
103 uint32_t handle);
104 struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
105 struct drm_gem_object *obj,
106 int flags);
107 struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
108 struct dma_buf *dma_buf);
109
110 #if defined(CONFIG_DEBUG_FS)
111 int radeon_debugfs_init(struct drm_minor *minor);
112 void radeon_debugfs_cleanup(struct drm_minor *minor);
113 #endif
114
115
116 int radeon_no_wb;
117 int radeon_modeset = 1;
118 int radeon_dynclks = -1;
119 int radeon_r4xx_atom = 0;
120 int radeon_agpmode = 0;
121 int radeon_vram_limit = 0;
122 int radeon_gart_size = 512; /* default gart size */
123 int radeon_benchmarking = 0;
124 int radeon_testing = 0;
125 int radeon_connector_table = 0;
126 int radeon_tv = 1;
127 int radeon_audio = 0;
128 int radeon_disp_priority = 0;
129 int radeon_hw_i2c = 0;
130 int radeon_pcie_gen2 = -1;
131 int radeon_msi = -1;
132 int radeon_lockup_timeout = 10000;
133
134 #ifdef DUMBBELL_WIP
135 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
136 module_param_named(no_wb, radeon_no_wb, int, 0444);
137
138 MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
139 module_param_named(modeset, radeon_modeset, int, 0400);
140
141 MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
142 module_param_named(dynclks, radeon_dynclks, int, 0444);
143
144 MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
145 module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
146
147 MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
148 module_param_named(vramlimit, radeon_vram_limit, int, 0600);
149
150 MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
151 module_param_named(agpmode, radeon_agpmode, int, 0444);
152
153 MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
154 module_param_named(gartsize, radeon_gart_size, int, 0600);
155
156 MODULE_PARM_DESC(benchmark, "Run benchmark");
157 module_param_named(benchmark, radeon_benchmarking, int, 0444);
158
159 MODULE_PARM_DESC(test, "Run tests");
160 module_param_named(test, radeon_testing, int, 0444);
161
162 MODULE_PARM_DESC(connector_table, "Force connector table");
163 module_param_named(connector_table, radeon_connector_table, int, 0444);
164
165 MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
166 module_param_named(tv, radeon_tv, int, 0444);
167
168 MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
169 module_param_named(audio, radeon_audio, int, 0444);
170
171 MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
172 module_param_named(disp_priority, radeon_disp_priority, int, 0444);
173
174 MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
175 module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
176
177 MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
178 module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
179
180 MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
181 module_param_named(msi, radeon_msi, int, 0444);
182
183 MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
184 module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
185
radeon_suspend(struct drm_device * dev,pm_message_t state)186 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
187 {
188 drm_radeon_private_t *dev_priv = dev->dev_private;
189
190 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
191 return 0;
192
193 /* Disable *all* interrupts */
194 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
195 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
196 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
197 return 0;
198 }
199
radeon_resume(struct drm_device * dev)200 static int radeon_resume(struct drm_device *dev)
201 {
202 drm_radeon_private_t *dev_priv = dev->dev_private;
203
204 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
205 return 0;
206
207 /* Restore interrupt registers */
208 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
209 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
210 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
211 return 0;
212 }
213 #endif /* DUMBBELL_WIP */
214
215 static drm_pci_id_list_t pciidlist[] = {
216 radeon_PCI_IDS
217 };
218
219 #ifdef DUMBBELL_WIP
220 static const struct file_operations radeon_driver_old_fops = {
221 .owner = THIS_MODULE,
222 .open = drm_open,
223 .release = drm_release,
224 .unlocked_ioctl = drm_ioctl,
225 .mmap = drm_mmap,
226 .poll = drm_poll,
227 .fasync = drm_fasync,
228 .read = drm_read,
229 #ifdef CONFIG_COMPAT
230 .compat_ioctl = radeon_compat_ioctl,
231 #endif
232 .llseek = noop_llseek,
233 };
234
235 static struct drm_driver driver_old = {
236 .driver_features =
237 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
238 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
239 .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
240 .load = radeon_driver_load,
241 .firstopen = radeon_driver_firstopen,
242 .open = radeon_driver_open,
243 .preclose = radeon_driver_preclose,
244 .postclose = radeon_driver_postclose,
245 .lastclose = radeon_driver_lastclose,
246 .unload = radeon_driver_unload,
247 #ifdef DUMBBELL_WIP
248 .suspend = radeon_suspend,
249 .resume = radeon_resume,
250 #endif /* DUMBBELL_WIP */
251 .get_vblank_counter = radeon_get_vblank_counter,
252 .enable_vblank = radeon_enable_vblank,
253 .disable_vblank = radeon_disable_vblank,
254 .master_create = radeon_master_create,
255 .master_destroy = radeon_master_destroy,
256 .irq_preinstall = radeon_driver_irq_preinstall,
257 .irq_postinstall = radeon_driver_irq_postinstall,
258 .irq_uninstall = radeon_driver_irq_uninstall,
259 .irq_handler = radeon_driver_irq_handler,
260 .ioctls = radeon_ioctls,
261 .dma_ioctl = radeon_cp_buffers,
262 .fops = &radeon_driver_old_fops,
263 .name = DRIVER_NAME,
264 .desc = DRIVER_DESC,
265 .date = DRIVER_DATE,
266 .major = DRIVER_MAJOR,
267 .minor = DRIVER_MINOR,
268 .patchlevel = DRIVER_PATCHLEVEL,
269 };
270 #endif /* DUMBBELL_WIP */
271
272 static struct drm_driver_info kms_driver;
273
274 #ifdef DUMBBELL_WIP
radeon_kick_out_firmware_fb(struct pci_dev * pdev)275 static int radeon_kick_out_firmware_fb(struct pci_dev *pdev)
276 {
277 struct apertures_struct *ap;
278 bool primary = false;
279
280 ap = alloc_apertures(1);
281 if (!ap)
282 return -ENOMEM;
283
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 return 0;
294 }
295
radeon_pci_probe(struct pci_dev * pdev,const struct pci_device_id * ent)296 static int radeon_pci_probe(struct pci_dev *pdev,
297 const struct pci_device_id *ent)
298 {
299 int ret;
300
301 /* Get rid of things like offb */
302 ret = radeon_kick_out_firmware_fb(pdev);
303 if (ret)
304 return ret;
305
306 return drm_get_pci_dev(pdev, ent, &kms_driver);
307 }
308
309 static void
radeon_pci_remove(struct pci_dev * pdev)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
radeon_pci_suspend(struct pci_dev * pdev,pm_message_t state)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
radeon_pci_resume(struct pci_dev * pdev)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 #endif /* DUMBBELL_WIP */
345
radeon_sysctl_init(struct drm_device * dev,struct sysctl_ctx_list * ctx,struct sysctl_oid * top)346 static int radeon_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx,
347 struct sysctl_oid *top)
348 {
349 return drm_add_busid_modesetting(dev, ctx, top);
350 }
351
352 static struct drm_driver_info kms_driver = {
353 .driver_features =
354 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
355 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
356 DRIVER_PRIME /* | DRIVE_MODESET */,
357 #ifdef DUMBBELL_WIP
358 .dev_priv_size = 0,
359 #endif /* DUMBBELL_WIP */
360 .load = radeon_driver_load_kms,
361 .use_msi = radeon_msi_ok,
362 .firstopen = radeon_driver_firstopen_kms,
363 .open = radeon_driver_open_kms,
364 .preclose = radeon_driver_preclose_kms,
365 .postclose = radeon_driver_postclose_kms,
366 .lastclose = radeon_driver_lastclose_kms,
367 .unload = radeon_driver_unload_kms,
368 #ifdef DUMBBELL_WIP
369 .suspend = radeon_suspend_kms,
370 .resume = radeon_resume_kms,
371 #endif /* DUMBBELL_WIP */
372 .get_vblank_counter = radeon_get_vblank_counter_kms,
373 .enable_vblank = radeon_enable_vblank_kms,
374 .disable_vblank = radeon_disable_vblank_kms,
375 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
376 .get_scanout_position = radeon_get_crtc_scanoutpos,
377 .irq_preinstall = radeon_driver_irq_preinstall_kms,
378 .irq_postinstall = radeon_driver_irq_postinstall_kms,
379 .irq_uninstall = radeon_driver_irq_uninstall_kms,
380 .irq_handler = radeon_driver_irq_handler_kms,
381 .sysctl_init = radeon_sysctl_init,
382 .ioctls = radeon_ioctls_kms,
383 .gem_init_object = radeon_gem_object_init,
384 .gem_free_object = radeon_gem_object_free,
385 .gem_open_object = radeon_gem_object_open,
386 .gem_close_object = radeon_gem_object_close,
387 .dma_ioctl = radeon_dma_ioctl_kms,
388 .dumb_create = radeon_mode_dumb_create,
389 .dumb_map_offset = radeon_mode_dumb_mmap,
390 .dumb_destroy = radeon_mode_dumb_destroy,
391 #ifdef DUMBBELL_WIP
392 .fops = &radeon_driver_kms_fops,
393 #endif /* DUMBBELL_WIP */
394
395 #ifdef DUMBBELL_WIP
396 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
397 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
398 .gem_prime_export = radeon_gem_prime_export,
399 .gem_prime_import = radeon_gem_prime_import,
400 #endif /* DUMBBELL_WIP */
401
402 .name = DRIVER_NAME,
403 .desc = DRIVER_DESC,
404 .date = DRIVER_DATE,
405 .major = KMS_DRIVER_MAJOR,
406 .minor = KMS_DRIVER_MINOR,
407 .patchlevel = KMS_DRIVER_PATCHLEVEL,
408 };
409
410 #ifdef DUMBBELL_WIP
radeon_init(void)411 static int __init radeon_init(void)
412 {
413 driver = &driver_old;
414 pdriver = &radeon_pci_driver;
415 driver->num_ioctls = radeon_max_ioctl;
416 #ifdef CONFIG_VGA_CONSOLE
417 if (vgacon_text_force() && radeon_modeset == -1) {
418 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
419 driver = &driver_old;
420 pdriver = &radeon_pci_driver;
421 driver->driver_features &= ~DRIVER_MODESET;
422 radeon_modeset = 0;
423 }
424 #endif
425 /* if enabled by default */
426 if (radeon_modeset == -1) {
427 #ifdef CONFIG_DRM_RADEON_KMS
428 DRM_INFO("radeon defaulting to kernel modesetting.\n");
429 radeon_modeset = 1;
430 #else
431 DRM_INFO("radeon defaulting to userspace modesetting.\n");
432 radeon_modeset = 0;
433 #endif
434 }
435 if (radeon_modeset == 1) {
436 DRM_INFO("radeon kernel modesetting enabled.\n");
437 driver = &kms_driver;
438 pdriver = &radeon_kms_pci_driver;
439 driver->driver_features |= DRIVER_MODESET;
440 driver->num_ioctls = radeon_max_kms_ioctl;
441 radeon_register_atpx_handler();
442 }
443 /* if the vga console setting is enabled still
444 * let modprobe override it */
445 return drm_pci_init(driver, pdriver);
446 }
447
radeon_exit(void)448 static void __exit radeon_exit(void)
449 {
450 drm_pci_exit(driver, pdriver);
451 radeon_unregister_atpx_handler();
452 }
453 #endif /* DUMBBELL_WIP */
454
455 /* =================================================================== */
456
457 static int
radeon_probe(device_t kdev)458 radeon_probe(device_t kdev)
459 {
460
461 return drm_probe(kdev, pciidlist);
462 }
463
464 static int
radeon_attach(device_t kdev)465 radeon_attach(device_t kdev)
466 {
467 struct drm_device *dev;
468
469 dev = device_get_softc(kdev);
470 if (radeon_modeset == 1) {
471 kms_driver.driver_features |= DRIVER_MODESET;
472 kms_driver.max_ioctl = radeon_max_kms_ioctl;
473 #ifdef COMPAT_FREEBSD32
474 kms_driver.compat_ioctls = radeon_compat_ioctls;
475 kms_driver.compat_ioctls_nr = &radeon_num_compat_ioctls;
476 #endif
477 radeon_register_atpx_handler();
478 }
479 dev->driver = &kms_driver;
480 return (drm_attach(kdev, pciidlist));
481 }
482
483 static int
radeon_suspend(device_t kdev)484 radeon_suspend(device_t kdev)
485 {
486 struct drm_device *dev;
487 int ret;
488
489 dev = device_get_softc(kdev);
490 ret = radeon_suspend_kms(dev);
491
492 return (-ret);
493 }
494
495 static int
radeon_resume(device_t kdev)496 radeon_resume(device_t kdev)
497 {
498 struct drm_device *dev;
499 int ret;
500
501 dev = device_get_softc(kdev);
502 ret = radeon_resume_kms(dev);
503
504 return (-ret);
505 }
506
507 extern struct fb_info * radeon_fb_helper_getinfo(device_t kdev);
508
509 static device_method_t radeon_methods[] = {
510 /* Device interface */
511 DEVMETHOD(device_probe, radeon_probe),
512 DEVMETHOD(device_attach, radeon_attach),
513 DEVMETHOD(device_suspend, radeon_suspend),
514 DEVMETHOD(device_resume, radeon_resume),
515 DEVMETHOD(device_detach, drm_detach),
516
517 /* Framebuffer service methods */
518 DEVMETHOD(fb_getinfo, radeon_fb_helper_getinfo),
519
520 DEVMETHOD_END
521 };
522
523 static driver_t radeon_driver = {
524 "drmn",
525 radeon_methods,
526 sizeof(struct drm_device)
527 };
528
529 extern devclass_t drm_devclass;
530 DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
531 NULL, NULL, SI_ORDER_ANY);
532 MODULE_DEPEND(radeonkms, drmn, 1, 1, 1);
533 MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
534 MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
535 MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
536 MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);
537 MODULE_DEPEND(radeonkms, firmware, 1, 1, 1);
538