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