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1/**************************************************************************
2 * Copyright (c) 2007-2011, Intel Corporation.
3 * All Rights Reserved.
4 * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
5 * All Rights Reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 **************************************************************************/
21
22#include <drm/drmP.h>
23#include <drm/drm.h>
24#include "psb_drv.h"
25#include "framebuffer.h"
26#include "psb_reg.h"
27#include "psb_intel_reg.h"
28#include "intel_bios.h"
29#include "mid_bios.h"
30#include <drm/drm_pciids.h>
31#include "power.h"
32#include <linux/cpu.h>
33#include <linux/notifier.h>
34#include <linux/spinlock.h>
35#include <linux/pm_runtime.h>
36#include <acpi/video.h>
37#include <linux/module.h>
38
39static struct drm_driver driver;
40static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
41
42/*
43 * The table below contains a mapping of the PCI vendor ID and the PCI Device ID
44 * to the different groups of PowerVR 5-series chip designs
45 *
46 * 0x8086 = Intel Corporation
47 *
48 * PowerVR SGX535 - Poulsbo - Intel GMA 500, Intel Atom Z5xx
49 * PowerVR SGX535 - Moorestown - Intel GMA 600
50 * PowerVR SGX535 - Oaktrail - Intel GMA 600, Intel Atom Z6xx, E6xx
51 * PowerVR SGX540 - Medfield - Intel Atom Z2460
52 * PowerVR SGX544MP2 - Medfield -
53 * PowerVR SGX545 - Cedartrail - Intel GMA 3600, Intel Atom D2500, N2600
54 * PowerVR SGX545 - Cedartrail - Intel GMA 3650, Intel Atom D2550, D2700,
55 * N2800
56 */
57static const struct pci_device_id pciidlist[] = {
58 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
59 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
60#if defined(CONFIG_DRM_GMA600)
61 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
62 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
63 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
64 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
65 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
66 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
67 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
68 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
69 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
70#endif
71#if defined(CONFIG_DRM_MEDFIELD)
72 { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
73 { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
74 { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
75 { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
76 { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
77 { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
78 { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
79 { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
80#endif
81#if defined(CONFIG_DRM_GMA3600)
82 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
83 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
84 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
85 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
86 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
87 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
88 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
89 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
90 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
91 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
92 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
93 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
94 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
95 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
96 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
97 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
98#endif
99 { 0, }
100};
101MODULE_DEVICE_TABLE(pci, pciidlist);
102
103/*
104 * Standard IOCTLs.
105 */
106static const struct drm_ioctl_desc psb_ioctls[] = {
107};
108
109static void psb_driver_lastclose(struct drm_device *dev)
110{
111 int ret;
112 struct drm_psb_private *dev_priv = dev->dev_private;
113 struct psb_fbdev *fbdev = dev_priv->fbdev;
114
115 ret = drm_fb_helper_restore_fbdev_mode_unlocked(&fbdev->psb_fb_helper);
116 if (ret)
117 DRM_DEBUG("failed to restore crtc mode\n");
118
119 return;
120}
121
122static int psb_do_init(struct drm_device *dev)
123{
124 struct drm_psb_private *dev_priv = dev->dev_private;
125 struct psb_gtt *pg = &dev_priv->gtt;
126
127 uint32_t stolen_gtt;
128
129 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
130 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
131 return -EINVAL;
132 }
133
134 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
135 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
136 stolen_gtt = (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
137
138 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
139 (stolen_gtt << PAGE_SHIFT) * 1024;
140
141 spin_lock_init(&dev_priv->irqmask_lock);
142 spin_lock_init(&dev_priv->lock_2d);
143
144 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
145 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
146 PSB_RSGX32(PSB_CR_BIF_BANK1);
147
148 /* Do not bypass any MMU access, let them pagefault instead */
149 PSB_WSGX32((PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_MMU_ER_MASK),
150 PSB_CR_BIF_CTRL);
151 PSB_RSGX32(PSB_CR_BIF_CTRL);
152
153 psb_spank(dev_priv);
154
155 /* mmu_gatt ?? */
156 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
157 PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE); /* Post */
158
159 return 0;
160}
161
162static int psb_driver_unload(struct drm_device *dev)
163{
164 struct drm_psb_private *dev_priv = dev->dev_private;
165
166 /* TODO: Kill vblank etc here */
167
168 if (dev_priv) {
169 if (dev_priv->backlight_device)
170 gma_backlight_exit(dev);
171 psb_modeset_cleanup(dev);
172
173 if (dev_priv->ops->chip_teardown)
174 dev_priv->ops->chip_teardown(dev);
175
176 psb_intel_opregion_fini(dev);
177
178 if (dev_priv->pf_pd) {
179 psb_mmu_free_pagedir(dev_priv->pf_pd);
180 dev_priv->pf_pd = NULL;
181 }
182 if (dev_priv->mmu) {
183 struct psb_gtt *pg = &dev_priv->gtt;
184
185 down_read(&pg->sem);
186 psb_mmu_remove_pfn_sequence(
187 psb_mmu_get_default_pd
188 (dev_priv->mmu),
189 pg->mmu_gatt_start,
190 dev_priv->vram_stolen_size >> PAGE_SHIFT);
191 up_read(&pg->sem);
192 psb_mmu_driver_takedown(dev_priv->mmu);
193 dev_priv->mmu = NULL;
194 }
195 psb_gtt_takedown(dev);
196 if (dev_priv->scratch_page) {
197 set_pages_wb(dev_priv->scratch_page, 1);
198 __free_page(dev_priv->scratch_page);
199 dev_priv->scratch_page = NULL;
200 }
201 if (dev_priv->vdc_reg) {
202 iounmap(dev_priv->vdc_reg);
203 dev_priv->vdc_reg = NULL;
204 }
205 if (dev_priv->sgx_reg) {
206 iounmap(dev_priv->sgx_reg);
207 dev_priv->sgx_reg = NULL;
208 }
209 if (dev_priv->aux_reg) {
210 iounmap(dev_priv->aux_reg);
211 dev_priv->aux_reg = NULL;
212 }
213 if (dev_priv->aux_pdev)
214 pci_dev_put(dev_priv->aux_pdev);
215 if (dev_priv->lpc_pdev)
216 pci_dev_put(dev_priv->lpc_pdev);
217
218 /* Destroy VBT data */
219 psb_intel_destroy_bios(dev);
220
221 kfree(dev_priv);
222 dev->dev_private = NULL;
223 }
224 gma_power_uninit(dev);
225 return 0;
226}
227
228static int psb_driver_load(struct drm_device *dev, unsigned long flags)
229{
230 struct drm_psb_private *dev_priv;
231 unsigned long resource_start, resource_len;
232 unsigned long irqflags;
233 int ret = -ENOMEM;
234 struct drm_connector *connector;
235 struct gma_encoder *gma_encoder;
236 struct psb_gtt *pg;
237
238 /* allocating and initializing driver private data */
239 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
240 if (dev_priv == NULL)
241 return -ENOMEM;
242
243 dev_priv->ops = (struct psb_ops *)flags;
244 dev_priv->dev = dev;
245 dev->dev_private = (void *) dev_priv;
246
247 pg = &dev_priv->gtt;
248
249 pci_set_master(dev->pdev);
250
251 dev_priv->num_pipe = dev_priv->ops->pipes;
252
253 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
254
255 dev_priv->vdc_reg =
256 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
257 if (!dev_priv->vdc_reg)
258 goto out_err;
259
260 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
261 PSB_SGX_SIZE);
262 if (!dev_priv->sgx_reg)
263 goto out_err;
264
265 if (IS_MRST(dev)) {
266 dev_priv->aux_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(3, 0));
267
268 if (dev_priv->aux_pdev) {
269 resource_start = pci_resource_start(dev_priv->aux_pdev,
270 PSB_AUX_RESOURCE);
271 resource_len = pci_resource_len(dev_priv->aux_pdev,
272 PSB_AUX_RESOURCE);
273 dev_priv->aux_reg = ioremap_nocache(resource_start,
274 resource_len);
275 if (!dev_priv->aux_reg)
276 goto out_err;
277
278 DRM_DEBUG_KMS("Found aux vdc");
279 } else {
280 /* Couldn't find the aux vdc so map to primary vdc */
281 dev_priv->aux_reg = dev_priv->vdc_reg;
282 DRM_DEBUG_KMS("Couldn't find aux pci device");
283 }
284 dev_priv->gmbus_reg = dev_priv->aux_reg;
285
286 dev_priv->lpc_pdev = pci_get_bus_and_slot(0, PCI_DEVFN(31, 0));
287 if (dev_priv->lpc_pdev) {
288 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
289 &dev_priv->lpc_gpio_base);
290 pci_write_config_dword(dev_priv->lpc_pdev, PSB_LPC_GBA,
291 (u32)dev_priv->lpc_gpio_base | (1L<<31));
292 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
293 &dev_priv->lpc_gpio_base);
294 dev_priv->lpc_gpio_base &= 0xffc0;
295 if (dev_priv->lpc_gpio_base)
296 DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n",
297 dev_priv->lpc_gpio_base);
298 else {
299 pci_dev_put(dev_priv->lpc_pdev);
300 dev_priv->lpc_pdev = NULL;
301 }
302 }
303 } else {
304 dev_priv->gmbus_reg = dev_priv->vdc_reg;
305 }
306
307 psb_intel_opregion_setup(dev);
308
309 ret = dev_priv->ops->chip_setup(dev);
310 if (ret)
311 goto out_err;
312
313 /* Init OSPM support */
314 gma_power_init(dev);
315
316 ret = -ENOMEM;
317
318 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
319 if (!dev_priv->scratch_page)
320 goto out_err;
321
322 set_pages_uc(dev_priv->scratch_page, 1);
323
324 ret = psb_gtt_init(dev, 0);
325 if (ret)
326 goto out_err;
327
328 dev_priv->mmu = psb_mmu_driver_init(dev, 1, 0, 0);
329 if (!dev_priv->mmu)
330 goto out_err;
331
332 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
333 if (!dev_priv->pf_pd)
334 goto out_err;
335
336 ret = psb_do_init(dev);
337 if (ret)
338 return ret;
339
340 /* Add stolen memory to SGX MMU */
341 down_read(&pg->sem);
342 ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu),
343 dev_priv->stolen_base >> PAGE_SHIFT,
344 pg->gatt_start,
345 pg->stolen_size >> PAGE_SHIFT, 0);
346 up_read(&pg->sem);
347
348 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
349 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
350
351 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
352 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
353
354 acpi_video_register();
355
356 /* Setup vertical blanking handling */
357 ret = drm_vblank_init(dev, dev_priv->num_pipe);
358 if (ret)
359 goto out_err;
360
361 /*
362 * Install interrupt handlers prior to powering off SGX or else we will
363 * crash.
364 */
365 dev_priv->vdc_irq_mask = 0;
366 dev_priv->pipestat[0] = 0;
367 dev_priv->pipestat[1] = 0;
368 dev_priv->pipestat[2] = 0;
369 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
370 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
371 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
372 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
373 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
374
375 drm_irq_install(dev, dev->pdev->irq);
376
377 dev->vblank_disable_allowed = true;
378 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
379 dev->driver->get_vblank_counter = psb_get_vblank_counter;
380
381 psb_modeset_init(dev);
382 psb_fbdev_init(dev);
383 drm_kms_helper_poll_init(dev);
384
385 /* Only add backlight support if we have LVDS output */
386 list_for_each_entry(connector, &dev->mode_config.connector_list,
387 head) {
388 gma_encoder = gma_attached_encoder(connector);
389
390 switch (gma_encoder->type) {
391 case INTEL_OUTPUT_LVDS:
392 case INTEL_OUTPUT_MIPI:
393 ret = gma_backlight_init(dev);
394 break;
395 }
396 }
397
398 if (ret)
399 return ret;
400 psb_intel_opregion_enable_asle(dev);
401#if 0
402 /* Enable runtime pm at last */
403 pm_runtime_enable(&dev->pdev->dev);
404 pm_runtime_set_active(&dev->pdev->dev);
405#endif
406 /* Intel drm driver load is done, continue doing pvr load */
407 return 0;
408out_err:
409 psb_driver_unload(dev);
410 return ret;
411}
412
413static int psb_driver_device_is_agp(struct drm_device *dev)
414{
415 return 0;
416}
417
418static inline void get_brightness(struct backlight_device *bd)
419{
420#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
421 if (bd) {
422 bd->props.brightness = bd->ops->get_brightness(bd);
423 backlight_update_status(bd);
424 }
425#endif
426}
427
428static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
429 unsigned long arg)
430{
431 struct drm_file *file_priv = filp->private_data;
432 struct drm_device *dev = file_priv->minor->dev;
433 struct drm_psb_private *dev_priv = dev->dev_private;
434 static unsigned int runtime_allowed;
435
436 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
437 runtime_allowed++;
438 pm_runtime_allow(&dev->pdev->dev);
439 dev_priv->rpm_enabled = 1;
440 }
441 return drm_ioctl(filp, cmd, arg);
442 /* FIXME: do we need to wrap the other side of this */
443}
444
445static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
446{
447 return drm_get_pci_dev(pdev, ent, &driver);
448}
449
450
451static void psb_pci_remove(struct pci_dev *pdev)
452{
453 struct drm_device *dev = pci_get_drvdata(pdev);
454 drm_put_dev(dev);
455}
456
457static const struct dev_pm_ops psb_pm_ops = {
458 .resume = gma_power_resume,
459 .suspend = gma_power_suspend,
460 .thaw = gma_power_thaw,
461 .freeze = gma_power_freeze,
462 .restore = gma_power_restore,
463 .runtime_suspend = psb_runtime_suspend,
464 .runtime_resume = psb_runtime_resume,
465 .runtime_idle = psb_runtime_idle,
466};
467
468static const struct vm_operations_struct psb_gem_vm_ops = {
469 .fault = psb_gem_fault,
470 .open = drm_gem_vm_open,
471 .close = drm_gem_vm_close,
472};
473
474static const struct file_operations psb_gem_fops = {
475 .owner = THIS_MODULE,
476 .open = drm_open,
477 .release = drm_release,
478 .unlocked_ioctl = psb_unlocked_ioctl,
479 .mmap = drm_gem_mmap,
480 .poll = drm_poll,
481 .read = drm_read,
482};
483
484static struct drm_driver driver = {
485 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
486 DRIVER_MODESET | DRIVER_GEM,
487 .load = psb_driver_load,
488 .unload = psb_driver_unload,
489 .lastclose = psb_driver_lastclose,
490 .set_busid = drm_pci_set_busid,
491
492 .num_ioctls = ARRAY_SIZE(psb_ioctls),
493 .device_is_agp = psb_driver_device_is_agp,
494 .irq_preinstall = psb_irq_preinstall,
495 .irq_postinstall = psb_irq_postinstall,
496 .irq_uninstall = psb_irq_uninstall,
497 .irq_handler = psb_irq_handler,
498 .enable_vblank = psb_enable_vblank,
499 .disable_vblank = psb_disable_vblank,
500 .get_vblank_counter = psb_get_vblank_counter,
501
502 .gem_free_object = psb_gem_free_object,
503 .gem_vm_ops = &psb_gem_vm_ops,
504
505 .dumb_create = psb_gem_dumb_create,
506 .dumb_map_offset = psb_gem_dumb_map_gtt,
507 .dumb_destroy = drm_gem_dumb_destroy,
508 .ioctls = psb_ioctls,
509 .fops = &psb_gem_fops,
510 .name = DRIVER_NAME,
511 .desc = DRIVER_DESC,
512 .date = DRIVER_DATE,
513 .major = DRIVER_MAJOR,
514 .minor = DRIVER_MINOR,
515 .patchlevel = DRIVER_PATCHLEVEL
516};
517
518static struct pci_driver psb_pci_driver = {
519 .name = DRIVER_NAME,
520 .id_table = pciidlist,
521 .probe = psb_pci_probe,
522 .remove = psb_pci_remove,
523 .driver.pm = &psb_pm_ops,
524};
525
526static int __init psb_init(void)
527{
528 return drm_pci_init(&driver, &psb_pci_driver);
529}
530
531static void __exit psb_exit(void)
532{
533 drm_pci_exit(&driver, &psb_pci_driver);
534}
535
536late_initcall(psb_init);
537module_exit(psb_exit);
538
539MODULE_AUTHOR(DRIVER_AUTHOR);
540MODULE_DESCRIPTION(DRIVER_DESC);
541MODULE_LICENSE(DRIVER_LICENSE);
1/**************************************************************************
2 * Copyright (c) 2007-2011, Intel Corporation.
3 * All Rights Reserved.
4 * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
5 * All Rights Reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms and conditions of the GNU General Public License,
9 * version 2, as published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 **************************************************************************/
21
22#include <drm/drmP.h>
23#include <drm/drm.h>
24#include "gma_drm.h"
25#include "psb_drv.h"
26#include "framebuffer.h"
27#include "psb_reg.h"
28#include "psb_intel_reg.h"
29#include "intel_bios.h"
30#include "mid_bios.h"
31#include <drm/drm_pciids.h>
32#include "power.h"
33#include <linux/cpu.h>
34#include <linux/notifier.h>
35#include <linux/spinlock.h>
36#include <linux/pm_runtime.h>
37#include <acpi/video.h>
38#include <linux/module.h>
39
40static int drm_psb_trap_pagefaults;
41
42static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
43
44MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
45module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
46
47
48static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
49 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
50 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
51#if defined(CONFIG_DRM_GMA600)
52 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
53 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
54 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
55 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
56 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
57 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
58 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
59 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
60 /* Atom E620 */
61 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
62#endif
63#if defined(CONFIG_DRM_MEDFIELD)
64 {0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
65 {0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
66 {0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
67 {0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
68 {0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
69 {0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
70 {0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
71 {0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
72#endif
73#if defined(CONFIG_DRM_GMA3600)
74 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
75 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
76 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
77 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
78 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
79 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
80 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
81 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
82 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
83 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
84 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
85 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
86 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
87 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
88 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
89 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
90#endif
91 { 0, }
92};
93MODULE_DEVICE_TABLE(pci, pciidlist);
94
95/*
96 * Standard IOCTLs.
97 */
98
99#define DRM_IOCTL_GMA_ADB \
100 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
101#define DRM_IOCTL_GMA_MODE_OPERATION \
102 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
103 struct drm_psb_mode_operation_arg)
104#define DRM_IOCTL_GMA_STOLEN_MEMORY \
105 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
106 struct drm_psb_stolen_memory_arg)
107#define DRM_IOCTL_GMA_GAMMA \
108 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
109 struct drm_psb_dpst_lut_arg)
110#define DRM_IOCTL_GMA_DPST_BL \
111 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
112 uint32_t)
113#define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID \
114 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
115 struct drm_psb_get_pipe_from_crtc_id_arg)
116#define DRM_IOCTL_GMA_GEM_CREATE \
117 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
118 struct drm_psb_gem_create)
119#define DRM_IOCTL_GMA_GEM_MMAP \
120 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \
121 struct drm_psb_gem_mmap)
122
123static int psb_adb_ioctl(struct drm_device *dev, void *data,
124 struct drm_file *file_priv);
125static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
127static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
128 struct drm_file *file_priv);
129static int psb_gamma_ioctl(struct drm_device *dev, void *data,
130 struct drm_file *file_priv);
131static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *file_priv);
133
134static struct drm_ioctl_desc psb_ioctls[] = {
135 DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH),
136 DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl,
137 DRM_AUTH),
138 DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl,
139 DRM_AUTH),
140 DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH),
141 DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
142 DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID,
143 psb_intel_get_pipe_from_crtc_id, 0),
144 DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl,
145 DRM_UNLOCKED | DRM_AUTH),
146 DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl,
147 DRM_UNLOCKED | DRM_AUTH),
148};
149
150static void psb_lastclose(struct drm_device *dev)
151{
152 return;
153}
154
155static int psb_do_init(struct drm_device *dev)
156{
157 struct drm_psb_private *dev_priv = dev->dev_private;
158 struct psb_gtt *pg = &dev_priv->gtt;
159
160 uint32_t stolen_gtt;
161
162 int ret = -ENOMEM;
163
164 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
165 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
166 ret = -EINVAL;
167 goto out_err;
168 }
169
170
171 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
172 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
173 stolen_gtt =
174 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
175
176 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
177 (stolen_gtt << PAGE_SHIFT) * 1024;
178
179 spin_lock_init(&dev_priv->irqmask_lock);
180 spin_lock_init(&dev_priv->lock_2d);
181
182 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
183 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
184 PSB_RSGX32(PSB_CR_BIF_BANK1);
185 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
186 PSB_CR_BIF_CTRL);
187 psb_spank(dev_priv);
188
189 /* mmu_gatt ?? */
190 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
191 return 0;
192out_err:
193 return ret;
194}
195
196static int psb_driver_unload(struct drm_device *dev)
197{
198 struct drm_psb_private *dev_priv = dev->dev_private;
199
200 /* Kill vblank etc here */
201
202
203 if (dev_priv) {
204 if (dev_priv->backlight_device)
205 gma_backlight_exit(dev);
206 psb_modeset_cleanup(dev);
207
208 if (dev_priv->ops->chip_teardown)
209 dev_priv->ops->chip_teardown(dev);
210
211 psb_intel_opregion_fini(dev);
212
213 if (dev_priv->pf_pd) {
214 psb_mmu_free_pagedir(dev_priv->pf_pd);
215 dev_priv->pf_pd = NULL;
216 }
217 if (dev_priv->mmu) {
218 struct psb_gtt *pg = &dev_priv->gtt;
219
220 down_read(&pg->sem);
221 psb_mmu_remove_pfn_sequence(
222 psb_mmu_get_default_pd
223 (dev_priv->mmu),
224 pg->mmu_gatt_start,
225 dev_priv->vram_stolen_size >> PAGE_SHIFT);
226 up_read(&pg->sem);
227 psb_mmu_driver_takedown(dev_priv->mmu);
228 dev_priv->mmu = NULL;
229 }
230 psb_gtt_takedown(dev);
231 if (dev_priv->scratch_page) {
232 set_pages_wb(dev_priv->scratch_page, 1);
233 __free_page(dev_priv->scratch_page);
234 dev_priv->scratch_page = NULL;
235 }
236 if (dev_priv->vdc_reg) {
237 iounmap(dev_priv->vdc_reg);
238 dev_priv->vdc_reg = NULL;
239 }
240 if (dev_priv->sgx_reg) {
241 iounmap(dev_priv->sgx_reg);
242 dev_priv->sgx_reg = NULL;
243 }
244
245 /* Destroy VBT data */
246 psb_intel_destroy_bios(dev);
247
248 kfree(dev_priv);
249 dev->dev_private = NULL;
250 }
251 gma_power_uninit(dev);
252 return 0;
253}
254
255
256static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
257{
258 struct drm_psb_private *dev_priv;
259 unsigned long resource_start;
260 unsigned long irqflags;
261 int ret = -ENOMEM;
262 struct drm_connector *connector;
263 struct psb_intel_encoder *psb_intel_encoder;
264
265 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
266 if (dev_priv == NULL)
267 return -ENOMEM;
268
269 dev_priv->ops = (struct psb_ops *)chipset;
270 dev_priv->dev = dev;
271 dev->dev_private = (void *) dev_priv;
272
273 pci_set_master(dev->pdev);
274
275 dev_priv->num_pipe = dev_priv->ops->pipes;
276
277 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
278
279 dev_priv->vdc_reg =
280 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
281 if (!dev_priv->vdc_reg)
282 goto out_err;
283
284 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
285 PSB_SGX_SIZE);
286 if (!dev_priv->sgx_reg)
287 goto out_err;
288
289 psb_intel_opregion_setup(dev);
290
291 ret = dev_priv->ops->chip_setup(dev);
292 if (ret)
293 goto out_err;
294
295 /* Init OSPM support */
296 gma_power_init(dev);
297
298 ret = -ENOMEM;
299
300 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
301 if (!dev_priv->scratch_page)
302 goto out_err;
303
304 set_pages_uc(dev_priv->scratch_page, 1);
305
306 ret = psb_gtt_init(dev, 0);
307 if (ret)
308 goto out_err;
309
310 dev_priv->mmu = psb_mmu_driver_init((void *)0,
311 drm_psb_trap_pagefaults, 0,
312 dev_priv);
313 if (!dev_priv->mmu)
314 goto out_err;
315
316 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
317 if (!dev_priv->pf_pd)
318 goto out_err;
319
320 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
321 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
322
323 ret = psb_do_init(dev);
324 if (ret)
325 return ret;
326
327 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
328 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
329
330 acpi_video_register();
331
332 ret = drm_vblank_init(dev, dev_priv->num_pipe);
333 if (ret)
334 goto out_err;
335
336 /*
337 * Install interrupt handlers prior to powering off SGX or else we will
338 * crash.
339 */
340 dev_priv->vdc_irq_mask = 0;
341 dev_priv->pipestat[0] = 0;
342 dev_priv->pipestat[1] = 0;
343 dev_priv->pipestat[2] = 0;
344 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
345 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
346 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
347 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
348 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
349
350 drm_irq_install(dev);
351
352 dev->vblank_disable_allowed = 1;
353
354 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
355
356 dev->driver->get_vblank_counter = psb_get_vblank_counter;
357
358 psb_modeset_init(dev);
359 psb_fbdev_init(dev);
360 drm_kms_helper_poll_init(dev);
361
362 /* Only add backlight support if we have LVDS output */
363 list_for_each_entry(connector, &dev->mode_config.connector_list,
364 head) {
365 psb_intel_encoder = psb_intel_attached_encoder(connector);
366
367 switch (psb_intel_encoder->type) {
368 case INTEL_OUTPUT_LVDS:
369 case INTEL_OUTPUT_MIPI:
370 ret = gma_backlight_init(dev);
371 break;
372 }
373 }
374
375 if (ret)
376 return ret;
377 psb_intel_opregion_enable_asle(dev);
378#if 0
379 /*enable runtime pm at last*/
380 pm_runtime_enable(&dev->pdev->dev);
381 pm_runtime_set_active(&dev->pdev->dev);
382#endif
383 /*Intel drm driver load is done, continue doing pvr load*/
384 return 0;
385out_err:
386 psb_driver_unload(dev);
387 return ret;
388}
389
390static int psb_driver_device_is_agp(struct drm_device *dev)
391{
392 return 0;
393}
394
395static inline void get_brightness(struct backlight_device *bd)
396{
397#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
398 if (bd) {
399 bd->props.brightness = bd->ops->get_brightness(bd);
400 backlight_update_status(bd);
401 }
402#endif
403}
404
405static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
406 struct drm_file *file_priv)
407{
408 struct drm_psb_private *dev_priv = psb_priv(dev);
409 uint32_t *arg = data;
410
411 dev_priv->blc_adj2 = *arg;
412 get_brightness(dev_priv->backlight_device);
413 return 0;
414}
415
416static int psb_adb_ioctl(struct drm_device *dev, void *data,
417 struct drm_file *file_priv)
418{
419 struct drm_psb_private *dev_priv = psb_priv(dev);
420 uint32_t *arg = data;
421
422 dev_priv->blc_adj1 = *arg;
423 get_brightness(dev_priv->backlight_device);
424 return 0;
425}
426
427static int psb_gamma_ioctl(struct drm_device *dev, void *data,
428 struct drm_file *file_priv)
429{
430 struct drm_psb_dpst_lut_arg *lut_arg = data;
431 struct drm_mode_object *obj;
432 struct drm_crtc *crtc;
433 struct drm_connector *connector;
434 struct psb_intel_crtc *psb_intel_crtc;
435 int i = 0;
436 int32_t obj_id;
437
438 obj_id = lut_arg->output_id;
439 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
440 if (!obj) {
441 dev_dbg(dev->dev, "Invalid Connector object.\n");
442 return -EINVAL;
443 }
444
445 connector = obj_to_connector(obj);
446 crtc = connector->encoder->crtc;
447 psb_intel_crtc = to_psb_intel_crtc(crtc);
448
449 for (i = 0; i < 256; i++)
450 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
451
452 psb_intel_crtc_load_lut(crtc);
453
454 return 0;
455}
456
457static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
458 struct drm_file *file_priv)
459{
460 uint32_t obj_id;
461 uint16_t op;
462 struct drm_mode_modeinfo *umode;
463 struct drm_display_mode *mode = NULL;
464 struct drm_psb_mode_operation_arg *arg;
465 struct drm_mode_object *obj;
466 struct drm_connector *connector;
467 struct drm_connector_helper_funcs *connector_funcs;
468 int ret = 0;
469 int resp = MODE_OK;
470
471 arg = (struct drm_psb_mode_operation_arg *)data;
472 obj_id = arg->obj_id;
473 op = arg->operation;
474
475 switch (op) {
476 case PSB_MODE_OPERATION_MODE_VALID:
477 umode = &arg->mode;
478
479 mutex_lock(&dev->mode_config.mutex);
480
481 obj = drm_mode_object_find(dev, obj_id,
482 DRM_MODE_OBJECT_CONNECTOR);
483 if (!obj) {
484 ret = -EINVAL;
485 goto mode_op_out;
486 }
487
488 connector = obj_to_connector(obj);
489
490 mode = drm_mode_create(dev);
491 if (!mode) {
492 ret = -ENOMEM;
493 goto mode_op_out;
494 }
495
496 /* drm_crtc_convert_umode(mode, umode); */
497 {
498 mode->clock = umode->clock;
499 mode->hdisplay = umode->hdisplay;
500 mode->hsync_start = umode->hsync_start;
501 mode->hsync_end = umode->hsync_end;
502 mode->htotal = umode->htotal;
503 mode->hskew = umode->hskew;
504 mode->vdisplay = umode->vdisplay;
505 mode->vsync_start = umode->vsync_start;
506 mode->vsync_end = umode->vsync_end;
507 mode->vtotal = umode->vtotal;
508 mode->vscan = umode->vscan;
509 mode->vrefresh = umode->vrefresh;
510 mode->flags = umode->flags;
511 mode->type = umode->type;
512 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
513 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
514 }
515
516 connector_funcs = (struct drm_connector_helper_funcs *)
517 connector->helper_private;
518
519 if (connector_funcs->mode_valid) {
520 resp = connector_funcs->mode_valid(connector, mode);
521 arg->data = resp;
522 }
523
524 /*do some clean up work*/
525 if (mode)
526 drm_mode_destroy(dev, mode);
527mode_op_out:
528 mutex_unlock(&dev->mode_config.mutex);
529 return ret;
530
531 default:
532 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
533 return -EOPNOTSUPP;
534 }
535
536 return 0;
537}
538
539static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
540 struct drm_file *file_priv)
541{
542 struct drm_psb_private *dev_priv = psb_priv(dev);
543 struct drm_psb_stolen_memory_arg *arg = data;
544
545 arg->base = dev_priv->stolen_base;
546 arg->size = dev_priv->vram_stolen_size;
547
548 return 0;
549}
550
551static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
552{
553 return 0;
554}
555
556static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
557{
558}
559
560static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
561 unsigned long arg)
562{
563 struct drm_file *file_priv = filp->private_data;
564 struct drm_device *dev = file_priv->minor->dev;
565 struct drm_psb_private *dev_priv = dev->dev_private;
566 static unsigned int runtime_allowed;
567
568 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
569 runtime_allowed++;
570 pm_runtime_allow(&dev->pdev->dev);
571 dev_priv->rpm_enabled = 1;
572 }
573 return drm_ioctl(filp, cmd, arg);
574 /* FIXME: do we need to wrap the other side of this */
575}
576
577
578/* When a client dies:
579 * - Check for and clean up flipped page state
580 */
581static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
582{
583}
584
585static void psb_remove(struct pci_dev *pdev)
586{
587 struct drm_device *dev = pci_get_drvdata(pdev);
588 drm_put_dev(dev);
589}
590
591static const struct dev_pm_ops psb_pm_ops = {
592 .resume = gma_power_resume,
593 .suspend = gma_power_suspend,
594 .runtime_suspend = psb_runtime_suspend,
595 .runtime_resume = psb_runtime_resume,
596 .runtime_idle = psb_runtime_idle,
597};
598
599static const struct vm_operations_struct psb_gem_vm_ops = {
600 .fault = psb_gem_fault,
601 .open = drm_gem_vm_open,
602 .close = drm_gem_vm_close,
603};
604
605static const struct file_operations psb_gem_fops = {
606 .owner = THIS_MODULE,
607 .open = drm_open,
608 .release = drm_release,
609 .unlocked_ioctl = psb_unlocked_ioctl,
610 .mmap = drm_gem_mmap,
611 .poll = drm_poll,
612 .fasync = drm_fasync,
613 .read = drm_read,
614};
615
616static struct drm_driver driver = {
617 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
618 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
619 .load = psb_driver_load,
620 .unload = psb_driver_unload,
621
622 .ioctls = psb_ioctls,
623 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
624 .device_is_agp = psb_driver_device_is_agp,
625 .irq_preinstall = psb_irq_preinstall,
626 .irq_postinstall = psb_irq_postinstall,
627 .irq_uninstall = psb_irq_uninstall,
628 .irq_handler = psb_irq_handler,
629 .enable_vblank = psb_enable_vblank,
630 .disable_vblank = psb_disable_vblank,
631 .get_vblank_counter = psb_get_vblank_counter,
632 .lastclose = psb_lastclose,
633 .open = psb_driver_open,
634 .preclose = psb_driver_preclose,
635 .postclose = psb_driver_close,
636 .reclaim_buffers = drm_core_reclaim_buffers,
637
638 .gem_init_object = psb_gem_init_object,
639 .gem_free_object = psb_gem_free_object,
640 .gem_vm_ops = &psb_gem_vm_ops,
641 .dumb_create = psb_gem_dumb_create,
642 .dumb_map_offset = psb_gem_dumb_map_gtt,
643 .dumb_destroy = psb_gem_dumb_destroy,
644 .fops = &psb_gem_fops,
645 .name = DRIVER_NAME,
646 .desc = DRIVER_DESC,
647 .date = PSB_DRM_DRIVER_DATE,
648 .major = PSB_DRM_DRIVER_MAJOR,
649 .minor = PSB_DRM_DRIVER_MINOR,
650 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
651};
652
653static struct pci_driver psb_pci_driver = {
654 .name = DRIVER_NAME,
655 .id_table = pciidlist,
656 .probe = psb_probe,
657 .remove = psb_remove,
658 .driver = {
659 .pm = &psb_pm_ops,
660 }
661};
662
663static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
664{
665 return drm_get_pci_dev(pdev, ent, &driver);
666}
667
668static int __init psb_init(void)
669{
670 return drm_pci_init(&driver, &psb_pci_driver);
671}
672
673static void __exit psb_exit(void)
674{
675 drm_pci_exit(&driver, &psb_pci_driver);
676}
677
678late_initcall(psb_init);
679module_exit(psb_exit);
680
681MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
682MODULE_DESCRIPTION(DRIVER_DESC);
683MODULE_LICENSE("GPL");