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10#include <linux/cpu.h>
11#include <linux/module.h>
12#include <linux/notifier.h>
13#include <linux/pm_runtime.h>
14#include <linux/spinlock.h>
15
16#include <asm/set_memory.h>
17
18#include <acpi/video.h>
19
20#include <drm/drm.h>
21#include <drm/drm_drv.h>
22#include <drm/drm_file.h>
23#include <drm/drm_ioctl.h>
24#include <drm/drm_irq.h>
25#include <drm/drm_pci.h>
26#include <drm/drm_pciids.h>
27#include <drm/drm_vblank.h>
28
29#include "framebuffer.h"
30#include "intel_bios.h"
31#include "mid_bios.h"
32#include "power.h"
33#include "psb_drv.h"
34#include "psb_intel_reg.h"
35#include "psb_reg.h"
36
37static struct drm_driver driver;
38static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
39
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54
55static const struct pci_device_id pciidlist[] = {
56 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
57 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
58#if defined(CONFIG_DRM_GMA600)
59 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
60 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
61 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
62 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
63 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
64 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
65 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
66 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
67 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops },
68#endif
69#if defined(CONFIG_DRM_MEDFIELD)
70 { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
71 { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
72 { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
73 { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
74 { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
75 { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
76 { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
77 { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops },
78#endif
79#if defined(CONFIG_DRM_GMA3600)
80 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
81 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
82 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
83 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
84 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
85 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
86 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
87 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
88 { 0x8086, 0x0be8, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
89 { 0x8086, 0x0be9, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
90 { 0x8086, 0x0bea, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
91 { 0x8086, 0x0beb, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
92 { 0x8086, 0x0bec, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
93 { 0x8086, 0x0bed, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
94 { 0x8086, 0x0bee, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
95 { 0x8086, 0x0bef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops },
96#endif
97 { 0, }
98};
99MODULE_DEVICE_TABLE(pci, pciidlist);
100
101
102
103
104static const struct drm_ioctl_desc psb_ioctls[] = {
105};
106
107static int psb_do_init(struct drm_device *dev)
108{
109 struct drm_psb_private *dev_priv = dev->dev_private;
110 struct psb_gtt *pg = &dev_priv->gtt;
111
112 uint32_t stolen_gtt;
113
114 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
115 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
116 return -EINVAL;
117 }
118
119 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
120 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
121 stolen_gtt = (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
122
123 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
124 (stolen_gtt << PAGE_SHIFT) * 1024;
125
126 spin_lock_init(&dev_priv->irqmask_lock);
127 spin_lock_init(&dev_priv->lock_2d);
128
129 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
130 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
131 PSB_RSGX32(PSB_CR_BIF_BANK1);
132
133
134 PSB_WSGX32((PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_MMU_ER_MASK),
135 PSB_CR_BIF_CTRL);
136 PSB_RSGX32(PSB_CR_BIF_CTRL);
137
138 psb_spank(dev_priv);
139
140
141 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
142 PSB_RSGX32(PSB_CR_BIF_TWOD_REQ_BASE);
143
144 return 0;
145}
146
147static void psb_driver_unload(struct drm_device *dev)
148{
149 struct drm_psb_private *dev_priv = dev->dev_private;
150
151
152
153 if (dev_priv) {
154 if (dev_priv->backlight_device)
155 gma_backlight_exit(dev);
156 psb_modeset_cleanup(dev);
157
158 if (dev_priv->ops->chip_teardown)
159 dev_priv->ops->chip_teardown(dev);
160
161 psb_intel_opregion_fini(dev);
162
163 if (dev_priv->pf_pd) {
164 psb_mmu_free_pagedir(dev_priv->pf_pd);
165 dev_priv->pf_pd = NULL;
166 }
167 if (dev_priv->mmu) {
168 struct psb_gtt *pg = &dev_priv->gtt;
169
170 down_read(&pg->sem);
171 psb_mmu_remove_pfn_sequence(
172 psb_mmu_get_default_pd
173 (dev_priv->mmu),
174 pg->mmu_gatt_start,
175 dev_priv->vram_stolen_size >> PAGE_SHIFT);
176 up_read(&pg->sem);
177 psb_mmu_driver_takedown(dev_priv->mmu);
178 dev_priv->mmu = NULL;
179 }
180 psb_gtt_takedown(dev);
181 if (dev_priv->scratch_page) {
182 set_pages_wb(dev_priv->scratch_page, 1);
183 __free_page(dev_priv->scratch_page);
184 dev_priv->scratch_page = NULL;
185 }
186 if (dev_priv->vdc_reg) {
187 iounmap(dev_priv->vdc_reg);
188 dev_priv->vdc_reg = NULL;
189 }
190 if (dev_priv->sgx_reg) {
191 iounmap(dev_priv->sgx_reg);
192 dev_priv->sgx_reg = NULL;
193 }
194 if (dev_priv->aux_reg) {
195 iounmap(dev_priv->aux_reg);
196 dev_priv->aux_reg = NULL;
197 }
198 pci_dev_put(dev_priv->aux_pdev);
199 pci_dev_put(dev_priv->lpc_pdev);
200
201
202 psb_intel_destroy_bios(dev);
203
204 kfree(dev_priv);
205 dev->dev_private = NULL;
206 }
207 gma_power_uninit(dev);
208}
209
210static int psb_driver_load(struct drm_device *dev, unsigned long flags)
211{
212 struct drm_psb_private *dev_priv;
213 unsigned long resource_start, resource_len;
214 unsigned long irqflags;
215 int ret = -ENOMEM;
216 struct drm_connector *connector;
217 struct gma_encoder *gma_encoder;
218 struct psb_gtt *pg;
219
220
221 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
222 if (dev_priv == NULL)
223 return -ENOMEM;
224
225 dev_priv->ops = (struct psb_ops *)flags;
226 dev_priv->dev = dev;
227 dev->dev_private = (void *) dev_priv;
228
229 pg = &dev_priv->gtt;
230
231 pci_set_master(dev->pdev);
232
233 dev_priv->num_pipe = dev_priv->ops->pipes;
234
235 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
236
237 dev_priv->vdc_reg =
238 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
239 if (!dev_priv->vdc_reg)
240 goto out_err;
241
242 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
243 PSB_SGX_SIZE);
244 if (!dev_priv->sgx_reg)
245 goto out_err;
246
247 if (IS_MRST(dev)) {
248 int domain = pci_domain_nr(dev->pdev->bus);
249
250 dev_priv->aux_pdev =
251 pci_get_domain_bus_and_slot(domain, 0,
252 PCI_DEVFN(3, 0));
253
254 if (dev_priv->aux_pdev) {
255 resource_start = pci_resource_start(dev_priv->aux_pdev,
256 PSB_AUX_RESOURCE);
257 resource_len = pci_resource_len(dev_priv->aux_pdev,
258 PSB_AUX_RESOURCE);
259 dev_priv->aux_reg = ioremap_nocache(resource_start,
260 resource_len);
261 if (!dev_priv->aux_reg)
262 goto out_err;
263
264 DRM_DEBUG_KMS("Found aux vdc");
265 } else {
266
267 dev_priv->aux_reg = dev_priv->vdc_reg;
268 DRM_DEBUG_KMS("Couldn't find aux pci device");
269 }
270 dev_priv->gmbus_reg = dev_priv->aux_reg;
271
272 dev_priv->lpc_pdev =
273 pci_get_domain_bus_and_slot(domain, 0,
274 PCI_DEVFN(31, 0));
275 if (dev_priv->lpc_pdev) {
276 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
277 &dev_priv->lpc_gpio_base);
278 pci_write_config_dword(dev_priv->lpc_pdev, PSB_LPC_GBA,
279 (u32)dev_priv->lpc_gpio_base | (1L<<31));
280 pci_read_config_word(dev_priv->lpc_pdev, PSB_LPC_GBA,
281 &dev_priv->lpc_gpio_base);
282 dev_priv->lpc_gpio_base &= 0xffc0;
283 if (dev_priv->lpc_gpio_base)
284 DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n",
285 dev_priv->lpc_gpio_base);
286 else {
287 pci_dev_put(dev_priv->lpc_pdev);
288 dev_priv->lpc_pdev = NULL;
289 }
290 }
291 } else {
292 dev_priv->gmbus_reg = dev_priv->vdc_reg;
293 }
294
295 psb_intel_opregion_setup(dev);
296
297 ret = dev_priv->ops->chip_setup(dev);
298 if (ret)
299 goto out_err;
300
301
302 gma_power_init(dev);
303
304 ret = -ENOMEM;
305
306 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
307 if (!dev_priv->scratch_page)
308 goto out_err;
309
310 set_pages_uc(dev_priv->scratch_page, 1);
311
312 ret = psb_gtt_init(dev, 0);
313 if (ret)
314 goto out_err;
315
316 dev_priv->mmu = psb_mmu_driver_init(dev, 1, 0, 0);
317 if (!dev_priv->mmu)
318 goto out_err;
319
320 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
321 if (!dev_priv->pf_pd)
322 goto out_err;
323
324 ret = psb_do_init(dev);
325 if (ret)
326 return ret;
327
328
329 down_read(&pg->sem);
330 ret = psb_mmu_insert_pfn_sequence(psb_mmu_get_default_pd(dev_priv->mmu),
331 dev_priv->stolen_base >> PAGE_SHIFT,
332 pg->gatt_start,
333 pg->stolen_size >> PAGE_SHIFT, 0);
334 up_read(&pg->sem);
335
336 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
337 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
338
339 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
340 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
341
342 acpi_video_register();
343
344
345 ret = drm_vblank_init(dev, dev_priv->num_pipe);
346 if (ret)
347 goto out_err;
348
349
350
351
352
353 dev_priv->vdc_irq_mask = 0;
354 dev_priv->pipestat[0] = 0;
355 dev_priv->pipestat[1] = 0;
356 dev_priv->pipestat[2] = 0;
357 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
358 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
359 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
360 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
361 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
362
363 drm_irq_install(dev, dev->pdev->irq);
364
365 dev->max_vblank_count = 0xffffff;
366 dev->driver->get_vblank_counter = psb_get_vblank_counter;
367
368 psb_modeset_init(dev);
369 psb_fbdev_init(dev);
370 drm_kms_helper_poll_init(dev);
371
372
373 list_for_each_entry(connector, &dev->mode_config.connector_list,
374 head) {
375 gma_encoder = gma_attached_encoder(connector);
376
377 switch (gma_encoder->type) {
378 case INTEL_OUTPUT_LVDS:
379 case INTEL_OUTPUT_MIPI:
380 ret = gma_backlight_init(dev);
381 break;
382 }
383 }
384
385 if (ret)
386 return ret;
387 psb_intel_opregion_enable_asle(dev);
388#if 0
389
390 pm_runtime_enable(&dev->pdev->dev);
391 pm_runtime_set_active(&dev->pdev->dev);
392#endif
393
394 return 0;
395out_err:
396 psb_driver_unload(dev);
397 return ret;
398}
399
400static inline void get_brightness(struct backlight_device *bd)
401{
402#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
403 if (bd) {
404 bd->props.brightness = bd->ops->get_brightness(bd);
405 backlight_update_status(bd);
406 }
407#endif
408}
409
410static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
411 unsigned long arg)
412{
413 struct drm_file *file_priv = filp->private_data;
414 struct drm_device *dev = file_priv->minor->dev;
415 struct drm_psb_private *dev_priv = dev->dev_private;
416 static unsigned int runtime_allowed;
417
418 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
419 runtime_allowed++;
420 pm_runtime_allow(&dev->pdev->dev);
421 dev_priv->rpm_enabled = 1;
422 }
423 return drm_ioctl(filp, cmd, arg);
424
425}
426
427static int psb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
428{
429 return drm_get_pci_dev(pdev, ent, &driver);
430}
431
432
433static void psb_pci_remove(struct pci_dev *pdev)
434{
435 struct drm_device *dev = pci_get_drvdata(pdev);
436 drm_put_dev(dev);
437}
438
439static const struct dev_pm_ops psb_pm_ops = {
440 .resume = gma_power_resume,
441 .suspend = gma_power_suspend,
442 .thaw = gma_power_thaw,
443 .freeze = gma_power_freeze,
444 .restore = gma_power_restore,
445 .runtime_suspend = psb_runtime_suspend,
446 .runtime_resume = psb_runtime_resume,
447 .runtime_idle = psb_runtime_idle,
448};
449
450static const struct vm_operations_struct psb_gem_vm_ops = {
451 .fault = psb_gem_fault,
452 .open = drm_gem_vm_open,
453 .close = drm_gem_vm_close,
454};
455
456static const struct file_operations psb_gem_fops = {
457 .owner = THIS_MODULE,
458 .open = drm_open,
459 .release = drm_release,
460 .unlocked_ioctl = psb_unlocked_ioctl,
461 .compat_ioctl = drm_compat_ioctl,
462 .mmap = drm_gem_mmap,
463 .poll = drm_poll,
464 .read = drm_read,
465};
466
467static struct drm_driver driver = {
468 .driver_features = DRIVER_MODESET | DRIVER_GEM,
469 .load = psb_driver_load,
470 .unload = psb_driver_unload,
471 .lastclose = drm_fb_helper_lastclose,
472
473 .num_ioctls = ARRAY_SIZE(psb_ioctls),
474 .irq_preinstall = psb_irq_preinstall,
475 .irq_postinstall = psb_irq_postinstall,
476 .irq_uninstall = psb_irq_uninstall,
477 .irq_handler = psb_irq_handler,
478 .enable_vblank = psb_enable_vblank,
479 .disable_vblank = psb_disable_vblank,
480 .get_vblank_counter = psb_get_vblank_counter,
481
482 .gem_free_object = psb_gem_free_object,
483 .gem_vm_ops = &psb_gem_vm_ops,
484
485 .dumb_create = psb_gem_dumb_create,
486 .ioctls = psb_ioctls,
487 .fops = &psb_gem_fops,
488 .name = DRIVER_NAME,
489 .desc = DRIVER_DESC,
490 .date = DRIVER_DATE,
491 .major = DRIVER_MAJOR,
492 .minor = DRIVER_MINOR,
493 .patchlevel = DRIVER_PATCHLEVEL
494};
495
496static struct pci_driver psb_pci_driver = {
497 .name = DRIVER_NAME,
498 .id_table = pciidlist,
499 .probe = psb_pci_probe,
500 .remove = psb_pci_remove,
501 .driver.pm = &psb_pm_ops,
502};
503
504static int __init psb_init(void)
505{
506 return pci_register_driver(&psb_pci_driver);
507}
508
509static void __exit psb_exit(void)
510{
511 pci_unregister_driver(&psb_pci_driver);
512}
513
514late_initcall(psb_init);
515module_exit(psb_exit);
516
517MODULE_AUTHOR(DRIVER_AUTHOR);
518MODULE_DESCRIPTION(DRIVER_DESC);
519MODULE_LICENSE("GPL");
520
