drm/radeon/kms: fix for radeon on systems >4GB without hardware iommu
[deliverable/linux.git] / drivers / gpu / drm / radeon / radeon_drv.c
CommitLineData
1da177e4
LT
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
1da177e4
LT
32#include "drmP.h"
33#include "drm.h"
34#include "radeon_drm.h"
35#include "radeon_drv.h"
36
37#include "drm_pciids.h"
771fe6b9
JG
38#include <linux/console.h>
39
40
771fe6b9
JG
41/*
42 * KMS wrapper.
0de1a57b
DA
43 * - 2.0.0 - initial interface
44 * - 2.1.0 - add square tiling interface
fdb43528 45 * - 2.2.0 - add r6xx/r7xx const buffer support
cae94b0a 46 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
bc35afdb 47 * - 2.4.0 - add crtc id query
148a03bc 48 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
ab9e1f59 49 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
71901cc4 50 * 2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
58bbf018 51 * 2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
486af189 52 * 2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
d19c37a5 53 * 2.10.0 - fusion 2D tiling
771fe6b9
JG
54 */
55#define KMS_DRIVER_MAJOR 2
d19c37a5 56#define KMS_DRIVER_MINOR 10
771fe6b9
JG
57#define KMS_DRIVER_PATCHLEVEL 0
58int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags);
59int radeon_driver_unload_kms(struct drm_device *dev);
60int radeon_driver_firstopen_kms(struct drm_device *dev);
61void radeon_driver_lastclose_kms(struct drm_device *dev);
62int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
63void radeon_driver_postclose_kms(struct drm_device *dev,
64 struct drm_file *file_priv);
65void radeon_driver_preclose_kms(struct drm_device *dev,
66 struct drm_file *file_priv);
67int radeon_suspend_kms(struct drm_device *dev, pm_message_t state);
68int radeon_resume_kms(struct drm_device *dev);
69u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc);
70int radeon_enable_vblank_kms(struct drm_device *dev, int crtc);
71void radeon_disable_vblank_kms(struct drm_device *dev, int crtc);
f5a80209
MK
72int radeon_get_vblank_timestamp_kms(struct drm_device *dev, int crtc,
73 int *max_error,
74 struct timeval *vblank_time,
75 unsigned flags);
771fe6b9
JG
76void radeon_driver_irq_preinstall_kms(struct drm_device *dev);
77int radeon_driver_irq_postinstall_kms(struct drm_device *dev);
78void radeon_driver_irq_uninstall_kms(struct drm_device *dev);
79irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS);
771fe6b9
JG
80int radeon_dma_ioctl_kms(struct drm_device *dev, void *data,
81 struct drm_file *file_priv);
82int radeon_gem_object_init(struct drm_gem_object *obj);
83void radeon_gem_object_free(struct drm_gem_object *obj);
f5a80209
MK
84extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
85 int *vpos, int *hpos);
771fe6b9
JG
86extern struct drm_ioctl_desc radeon_ioctls_kms[];
87extern int radeon_max_kms_ioctl;
88int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
ff72145b
DA
89int radeon_mode_dumb_mmap(struct drm_file *filp,
90 struct drm_device *dev,
91 uint32_t handle, uint64_t *offset_p);
92int radeon_mode_dumb_create(struct drm_file *file_priv,
93 struct drm_device *dev,
94 struct drm_mode_create_dumb *args);
95int radeon_mode_dumb_destroy(struct drm_file *file_priv,
96 struct drm_device *dev,
97 uint32_t handle);
98
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99#if defined(CONFIG_DEBUG_FS)
100int radeon_debugfs_init(struct drm_minor *minor);
101void radeon_debugfs_cleanup(struct drm_minor *minor);
102#endif
771fe6b9 103
1da177e4 104
689b9d74 105int radeon_no_wb;
771fe6b9
JG
106int radeon_modeset = -1;
107int radeon_dynclks = -1;
108int radeon_r4xx_atom = 0;
109int radeon_agpmode = 0;
110int radeon_vram_limit = 0;
111int radeon_gart_size = 512; /* default gart size */
112int radeon_benchmarking = 0;
ecc0b326 113int radeon_testing = 0;
771fe6b9 114int radeon_connector_table = 0;
4ce001ab 115int radeon_tv = 1;
dafc3bd5 116int radeon_audio = 1;
f46c0120 117int radeon_disp_priority = 0;
e2b0a8e1 118int radeon_hw_i2c = 0;
d42dd579 119int radeon_pcie_gen2 = 0;
689b9d74 120
61a2d07d 121MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
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DA
122module_param_named(no_wb, radeon_no_wb, int, 0444);
123
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124MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
125module_param_named(modeset, radeon_modeset, int, 0400);
126
127MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
128module_param_named(dynclks, radeon_dynclks, int, 0444);
129
130MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
131module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
132
133MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
134module_param_named(vramlimit, radeon_vram_limit, int, 0600);
135
136MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
137module_param_named(agpmode, radeon_agpmode, int, 0444);
138
139MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n");
140module_param_named(gartsize, radeon_gart_size, int, 0600);
141
142MODULE_PARM_DESC(benchmark, "Run benchmark");
143module_param_named(benchmark, radeon_benchmarking, int, 0444);
144
ecc0b326
MD
145MODULE_PARM_DESC(test, "Run tests");
146module_param_named(test, radeon_testing, int, 0444);
147
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148MODULE_PARM_DESC(connector_table, "Force connector table");
149module_param_named(connector_table, radeon_connector_table, int, 0444);
4ce001ab
DA
150
151MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
152module_param_named(tv, radeon_tv, int, 0444);
771fe6b9 153
dafc3bd5
CK
154MODULE_PARM_DESC(audio, "Audio enable (0 = disable)");
155module_param_named(audio, radeon_audio, int, 0444);
156
f46c0120
AD
157MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
158module_param_named(disp_priority, radeon_disp_priority, int, 0444);
159
e2b0a8e1
AD
160MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
161module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
162
d42dd579
AD
163MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (1 = enable)");
164module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
165
0a3e67a4
JB
166static int radeon_suspend(struct drm_device *dev, pm_message_t state)
167{
168 drm_radeon_private_t *dev_priv = dev->dev_private;
169
03efb885
DA
170 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
171 return 0;
172
0a3e67a4 173 /* Disable *all* interrupts */
800b6995 174 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
0a3e67a4
JB
175 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
176 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
177 return 0;
178}
179
180static int radeon_resume(struct drm_device *dev)
181{
182 drm_radeon_private_t *dev_priv = dev->dev_private;
183
03efb885
DA
184 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
185 return 0;
186
0a3e67a4 187 /* Restore interrupt registers */
800b6995 188 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
0a3e67a4
JB
189 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
190 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
191 return 0;
192}
193
1da177e4
LT
194static struct pci_device_id pciidlist[] = {
195 radeon_PCI_IDS
196};
197
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JG
198#if defined(CONFIG_DRM_RADEON_KMS)
199MODULE_DEVICE_TABLE(pci, pciidlist);
200#endif
201
202static struct drm_driver driver_old = {
b5e89ed5
DA
203 .driver_features =
204 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
0a3e67a4 205 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
1da177e4 206 .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
22eae947
DA
207 .load = radeon_driver_load,
208 .firstopen = radeon_driver_firstopen,
209 .open = radeon_driver_open,
210 .preclose = radeon_driver_preclose,
211 .postclose = radeon_driver_postclose,
212 .lastclose = radeon_driver_lastclose,
213 .unload = radeon_driver_unload,
0a3e67a4
JB
214 .suspend = radeon_suspend,
215 .resume = radeon_resume,
216 .get_vblank_counter = radeon_get_vblank_counter,
217 .enable_vblank = radeon_enable_vblank,
218 .disable_vblank = radeon_disable_vblank,
60f2ee0b
DA
219 .master_create = radeon_master_create,
220 .master_destroy = radeon_master_destroy,
1da177e4
LT
221 .irq_preinstall = radeon_driver_irq_preinstall,
222 .irq_postinstall = radeon_driver_irq_postinstall,
223 .irq_uninstall = radeon_driver_irq_uninstall,
224 .irq_handler = radeon_driver_irq_handler,
1da177e4 225 .reclaim_buffers = drm_core_reclaim_buffers,
1da177e4
LT
226 .ioctls = radeon_ioctls,
227 .dma_ioctl = radeon_cp_buffers,
228 .fops = {
b5e89ed5
DA
229 .owner = THIS_MODULE,
230 .open = drm_open,
231 .release = drm_release,
ed8b6704 232 .unlocked_ioctl = drm_ioctl,
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DA
233 .mmap = drm_mmap,
234 .poll = drm_poll,
235 .fasync = drm_fasync,
4fa07bf1 236 .read = drm_read,
9a186645 237#ifdef CONFIG_COMPAT
b5e89ed5 238 .compat_ioctl = radeon_compat_ioctl,
9a186645 239#endif
dc880abe 240 .llseek = noop_llseek,
22eae947
DA
241 },
242
22eae947
DA
243 .name = DRIVER_NAME,
244 .desc = DRIVER_DESC,
245 .date = DRIVER_DATE,
246 .major = DRIVER_MAJOR,
247 .minor = DRIVER_MINOR,
248 .patchlevel = DRIVER_PATCHLEVEL,
1da177e4
LT
249};
250
771fe6b9
JG
251static struct drm_driver kms_driver;
252
a56f7428
BH
253static void radeon_kick_out_firmware_fb(struct pci_dev *pdev)
254{
255 struct apertures_struct *ap;
256 bool primary = false;
257
258 ap = alloc_apertures(1);
259 ap->ranges[0].base = pci_resource_start(pdev, 0);
260 ap->ranges[0].size = pci_resource_len(pdev, 0);
261
262#ifdef CONFIG_X86
263 primary = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
264#endif
265 remove_conflicting_framebuffers(ap, "radeondrmfb", primary);
266 kfree(ap);
267}
268
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JG
269static int __devinit
270radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
271{
a56f7428
BH
272 /* Get rid of things like offb */
273 radeon_kick_out_firmware_fb(pdev);
274
dcdb1674 275 return drm_get_pci_dev(pdev, ent, &kms_driver);
771fe6b9
JG
276}
277
278static void
279radeon_pci_remove(struct pci_dev *pdev)
280{
281 struct drm_device *dev = pci_get_drvdata(pdev);
282
283 drm_put_dev(dev);
284}
285
286static int
287radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state)
288{
289 struct drm_device *dev = pci_get_drvdata(pdev);
290 return radeon_suspend_kms(dev, state);
291}
292
293static int
294radeon_pci_resume(struct pci_dev *pdev)
295{
296 struct drm_device *dev = pci_get_drvdata(pdev);
297 return radeon_resume_kms(dev);
298}
299
300static struct drm_driver kms_driver = {
301 .driver_features =
302 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
303 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM,
304 .dev_priv_size = 0,
305 .load = radeon_driver_load_kms,
306 .firstopen = radeon_driver_firstopen_kms,
307 .open = radeon_driver_open_kms,
308 .preclose = radeon_driver_preclose_kms,
309 .postclose = radeon_driver_postclose_kms,
310 .lastclose = radeon_driver_lastclose_kms,
311 .unload = radeon_driver_unload_kms,
312 .suspend = radeon_suspend_kms,
313 .resume = radeon_resume_kms,
314 .get_vblank_counter = radeon_get_vblank_counter_kms,
315 .enable_vblank = radeon_enable_vblank_kms,
316 .disable_vblank = radeon_disable_vblank_kms,
f5a80209
MK
317 .get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
318 .get_scanout_position = radeon_get_crtc_scanoutpos,
771fe6b9
JG
319#if defined(CONFIG_DEBUG_FS)
320 .debugfs_init = radeon_debugfs_init,
321 .debugfs_cleanup = radeon_debugfs_cleanup,
322#endif
323 .irq_preinstall = radeon_driver_irq_preinstall_kms,
324 .irq_postinstall = radeon_driver_irq_postinstall_kms,
325 .irq_uninstall = radeon_driver_irq_uninstall_kms,
326 .irq_handler = radeon_driver_irq_handler_kms,
327 .reclaim_buffers = drm_core_reclaim_buffers,
771fe6b9
JG
328 .ioctls = radeon_ioctls_kms,
329 .gem_init_object = radeon_gem_object_init,
330 .gem_free_object = radeon_gem_object_free,
331 .dma_ioctl = radeon_dma_ioctl_kms,
ff72145b
DA
332 .dumb_create = radeon_mode_dumb_create,
333 .dumb_map_offset = radeon_mode_dumb_mmap,
334 .dumb_destroy = radeon_mode_dumb_destroy,
771fe6b9
JG
335 .fops = {
336 .owner = THIS_MODULE,
337 .open = drm_open,
338 .release = drm_release,
ed8b6704 339 .unlocked_ioctl = drm_ioctl,
771fe6b9
JG
340 .mmap = radeon_mmap,
341 .poll = drm_poll,
342 .fasync = drm_fasync,
4fa07bf1 343 .read = drm_read,
771fe6b9 344#ifdef CONFIG_COMPAT
70ba2a37 345 .compat_ioctl = radeon_kms_compat_ioctl,
771fe6b9
JG
346#endif
347 },
348
771fe6b9
JG
349 .name = DRIVER_NAME,
350 .desc = DRIVER_DESC,
351 .date = DRIVER_DATE,
352 .major = KMS_DRIVER_MAJOR,
353 .minor = KMS_DRIVER_MINOR,
354 .patchlevel = KMS_DRIVER_PATCHLEVEL,
355};
771fe6b9
JG
356
357static struct drm_driver *driver;
8410ea3b
DA
358static struct pci_driver *pdriver;
359
360static struct pci_driver radeon_pci_driver = {
361 .name = DRIVER_NAME,
362 .id_table = pciidlist,
363};
364
365static struct pci_driver radeon_kms_pci_driver = {
366 .name = DRIVER_NAME,
367 .id_table = pciidlist,
368 .probe = radeon_pci_probe,
369 .remove = radeon_pci_remove,
370 .suspend = radeon_pci_suspend,
371 .resume = radeon_pci_resume,
372};
771fe6b9 373
1da177e4
LT
374static int __init radeon_init(void)
375{
771fe6b9 376 driver = &driver_old;
8410ea3b 377 pdriver = &radeon_pci_driver;
771fe6b9 378 driver->num_ioctls = radeon_max_ioctl;
de05065f
DA
379#ifdef CONFIG_VGA_CONSOLE
380 if (vgacon_text_force() && radeon_modeset == -1) {
381 DRM_INFO("VGACON disable radeon kernel modesetting.\n");
382 driver = &driver_old;
8410ea3b 383 pdriver = &radeon_pci_driver;
de05065f
DA
384 driver->driver_features &= ~DRIVER_MODESET;
385 radeon_modeset = 0;
386 }
387#endif
771fe6b9
JG
388 /* if enabled by default */
389 if (radeon_modeset == -1) {
a0cdc649
DA
390#ifdef CONFIG_DRM_RADEON_KMS
391 DRM_INFO("radeon defaulting to kernel modesetting.\n");
771fe6b9 392 radeon_modeset = 1;
a0cdc649
DA
393#else
394 DRM_INFO("radeon defaulting to userspace modesetting.\n");
395 radeon_modeset = 0;
396#endif
771fe6b9
JG
397 }
398 if (radeon_modeset == 1) {
399 DRM_INFO("radeon kernel modesetting enabled.\n");
400 driver = &kms_driver;
8410ea3b 401 pdriver = &radeon_kms_pci_driver;
771fe6b9
JG
402 driver->driver_features |= DRIVER_MODESET;
403 driver->num_ioctls = radeon_max_kms_ioctl;
6a9ee8af 404 radeon_register_atpx_handler();
771fe6b9 405 }
771fe6b9
JG
406 /* if the vga console setting is enabled still
407 * let modprobe override it */
8410ea3b 408 return drm_pci_init(driver, pdriver);
1da177e4
LT
409}
410
411static void __exit radeon_exit(void)
412{
8410ea3b 413 drm_pci_exit(driver, pdriver);
6a9ee8af 414 radeon_unregister_atpx_handler();
1da177e4
LT
415}
416
176f613e 417module_init(radeon_init);
1da177e4
LT
418module_exit(radeon_exit);
419
b5e89ed5
DA
420MODULE_AUTHOR(DRIVER_AUTHOR);
421MODULE_DESCRIPTION(DRIVER_DESC);
1da177e4 422MODULE_LICENSE("GPL and additional rights");
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