Linux 3.5-rc1
[linux-2.6-microblaze.git] / drivers / gpu / drm / gma500 / psb_drv.c
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
40 static int drm_psb_trap_pagefaults;
41
42 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
43
44 MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
45 module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
46
47
48 static 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 };
93 MODULE_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
123 static int psb_adb_ioctl(struct drm_device *dev, void *data,
124                          struct drm_file *file_priv);
125 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
126                                     struct drm_file *file_priv);
127 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
128                                    struct drm_file *file_priv);
129 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
130                            struct drm_file *file_priv);
131 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
132                              struct drm_file *file_priv);
133
134 static 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
150 static void psb_lastclose(struct drm_device *dev)
151 {
152         return;
153 }
154
155 static 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;
192 out_err:
193         return ret;
194 }
195
196 static 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
256 static 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 #if 0
378         /*enable runtime pm at last*/
379         pm_runtime_enable(&dev->pdev->dev);
380         pm_runtime_set_active(&dev->pdev->dev);
381 #endif
382         /*Intel drm driver load is done, continue doing pvr load*/
383         return 0;
384 out_err:
385         psb_driver_unload(dev);
386         return ret;
387 }
388
389 static int psb_driver_device_is_agp(struct drm_device *dev)
390 {
391         return 0;
392 }
393
394 static inline void get_brightness(struct backlight_device *bd)
395 {
396 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
397         if (bd) {
398                 bd->props.brightness = bd->ops->get_brightness(bd);
399                 backlight_update_status(bd);
400         }
401 #endif
402 }
403
404 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
405                        struct drm_file *file_priv)
406 {
407         struct drm_psb_private *dev_priv = psb_priv(dev);
408         uint32_t *arg = data;
409
410         dev_priv->blc_adj2 = *arg;
411         get_brightness(dev_priv->backlight_device);
412         return 0;
413 }
414
415 static int psb_adb_ioctl(struct drm_device *dev, void *data,
416                         struct drm_file *file_priv)
417 {
418         struct drm_psb_private *dev_priv = psb_priv(dev);
419         uint32_t *arg = data;
420
421         dev_priv->blc_adj1 = *arg;
422         get_brightness(dev_priv->backlight_device);
423         return 0;
424 }
425
426 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
427                            struct drm_file *file_priv)
428 {
429         struct drm_psb_dpst_lut_arg *lut_arg = data;
430         struct drm_mode_object *obj;
431         struct drm_crtc *crtc;
432         struct drm_connector *connector;
433         struct psb_intel_crtc *psb_intel_crtc;
434         int i = 0;
435         int32_t obj_id;
436
437         obj_id = lut_arg->output_id;
438         obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
439         if (!obj) {
440                 dev_dbg(dev->dev, "Invalid Connector object.\n");
441                 return -EINVAL;
442         }
443
444         connector = obj_to_connector(obj);
445         crtc = connector->encoder->crtc;
446         psb_intel_crtc = to_psb_intel_crtc(crtc);
447
448         for (i = 0; i < 256; i++)
449                 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
450
451         psb_intel_crtc_load_lut(crtc);
452
453         return 0;
454 }
455
456 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
457                                 struct drm_file *file_priv)
458 {
459         uint32_t obj_id;
460         uint16_t op;
461         struct drm_mode_modeinfo *umode;
462         struct drm_display_mode *mode = NULL;
463         struct drm_psb_mode_operation_arg *arg;
464         struct drm_mode_object *obj;
465         struct drm_connector *connector;
466         struct drm_connector_helper_funcs *connector_funcs;
467         int ret = 0;
468         int resp = MODE_OK;
469
470         arg = (struct drm_psb_mode_operation_arg *)data;
471         obj_id = arg->obj_id;
472         op = arg->operation;
473
474         switch (op) {
475         case PSB_MODE_OPERATION_MODE_VALID:
476                 umode = &arg->mode;
477
478                 mutex_lock(&dev->mode_config.mutex);
479
480                 obj = drm_mode_object_find(dev, obj_id,
481                                         DRM_MODE_OBJECT_CONNECTOR);
482                 if (!obj) {
483                         ret = -EINVAL;
484                         goto mode_op_out;
485                 }
486
487                 connector = obj_to_connector(obj);
488
489                 mode = drm_mode_create(dev);
490                 if (!mode) {
491                         ret = -ENOMEM;
492                         goto mode_op_out;
493                 }
494
495                 /* drm_crtc_convert_umode(mode, umode); */
496                 {
497                         mode->clock = umode->clock;
498                         mode->hdisplay = umode->hdisplay;
499                         mode->hsync_start = umode->hsync_start;
500                         mode->hsync_end = umode->hsync_end;
501                         mode->htotal = umode->htotal;
502                         mode->hskew = umode->hskew;
503                         mode->vdisplay = umode->vdisplay;
504                         mode->vsync_start = umode->vsync_start;
505                         mode->vsync_end = umode->vsync_end;
506                         mode->vtotal = umode->vtotal;
507                         mode->vscan = umode->vscan;
508                         mode->vrefresh = umode->vrefresh;
509                         mode->flags = umode->flags;
510                         mode->type = umode->type;
511                         strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
512                         mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
513                 }
514
515                 connector_funcs = (struct drm_connector_helper_funcs *)
516                                    connector->helper_private;
517
518                 if (connector_funcs->mode_valid) {
519                         resp = connector_funcs->mode_valid(connector, mode);
520                         arg->data = resp;
521                 }
522
523                 /*do some clean up work*/
524                 if (mode)
525                         drm_mode_destroy(dev, mode);
526 mode_op_out:
527                 mutex_unlock(&dev->mode_config.mutex);
528                 return ret;
529
530         default:
531                 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
532                 return -EOPNOTSUPP;
533         }
534
535         return 0;
536 }
537
538 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
539                                    struct drm_file *file_priv)
540 {
541         struct drm_psb_private *dev_priv = psb_priv(dev);
542         struct drm_psb_stolen_memory_arg *arg = data;
543
544         arg->base = dev_priv->stolen_base;
545         arg->size = dev_priv->vram_stolen_size;
546
547         return 0;
548 }
549
550 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
551 {
552         return 0;
553 }
554
555 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
556 {
557 }
558
559 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
560                                unsigned long arg)
561 {
562         struct drm_file *file_priv = filp->private_data;
563         struct drm_device *dev = file_priv->minor->dev;
564         struct drm_psb_private *dev_priv = dev->dev_private;
565         static unsigned int runtime_allowed;
566
567         if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
568                 runtime_allowed++;
569                 pm_runtime_allow(&dev->pdev->dev);
570                 dev_priv->rpm_enabled = 1;
571         }
572         return drm_ioctl(filp, cmd, arg);
573         /* FIXME: do we need to wrap the other side of this */
574 }
575
576
577 /* When a client dies:
578  *    - Check for and clean up flipped page state
579  */
580 static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
581 {
582 }
583
584 static void psb_remove(struct pci_dev *pdev)
585 {
586         struct drm_device *dev = pci_get_drvdata(pdev);
587         drm_put_dev(dev);
588 }
589
590 static const struct dev_pm_ops psb_pm_ops = {
591         .resume = gma_power_resume,
592         .suspend = gma_power_suspend,
593         .runtime_suspend = psb_runtime_suspend,
594         .runtime_resume = psb_runtime_resume,
595         .runtime_idle = psb_runtime_idle,
596 };
597
598 static const struct vm_operations_struct psb_gem_vm_ops = {
599         .fault = psb_gem_fault,
600         .open = drm_gem_vm_open,
601         .close = drm_gem_vm_close,
602 };
603
604 static const struct file_operations psb_gem_fops = {
605         .owner = THIS_MODULE,
606         .open = drm_open,
607         .release = drm_release,
608         .unlocked_ioctl = psb_unlocked_ioctl,
609         .mmap = drm_gem_mmap,
610         .poll = drm_poll,
611         .fasync = drm_fasync,
612         .read = drm_read,
613 };
614
615 static struct drm_driver driver = {
616         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
617                            DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
618         .load = psb_driver_load,
619         .unload = psb_driver_unload,
620
621         .ioctls = psb_ioctls,
622         .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
623         .device_is_agp = psb_driver_device_is_agp,
624         .irq_preinstall = psb_irq_preinstall,
625         .irq_postinstall = psb_irq_postinstall,
626         .irq_uninstall = psb_irq_uninstall,
627         .irq_handler = psb_irq_handler,
628         .enable_vblank = psb_enable_vblank,
629         .disable_vblank = psb_disable_vblank,
630         .get_vblank_counter = psb_get_vblank_counter,
631         .lastclose = psb_lastclose,
632         .open = psb_driver_open,
633         .preclose = psb_driver_preclose,
634         .postclose = psb_driver_close,
635         .reclaim_buffers = drm_core_reclaim_buffers,
636
637         .gem_init_object = psb_gem_init_object,
638         .gem_free_object = psb_gem_free_object,
639         .gem_vm_ops = &psb_gem_vm_ops,
640         .dumb_create = psb_gem_dumb_create,
641         .dumb_map_offset = psb_gem_dumb_map_gtt,
642         .dumb_destroy = psb_gem_dumb_destroy,
643         .fops = &psb_gem_fops,
644         .name = DRIVER_NAME,
645         .desc = DRIVER_DESC,
646         .date = PSB_DRM_DRIVER_DATE,
647         .major = PSB_DRM_DRIVER_MAJOR,
648         .minor = PSB_DRM_DRIVER_MINOR,
649         .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
650 };
651
652 static struct pci_driver psb_pci_driver = {
653         .name = DRIVER_NAME,
654         .id_table = pciidlist,
655         .probe = psb_probe,
656         .remove = psb_remove,
657         .driver = {
658                 .pm = &psb_pm_ops,
659         }
660 };
661
662 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
663 {
664         return drm_get_pci_dev(pdev, ent, &driver);
665 }
666
667 static int __init psb_init(void)
668 {
669         return drm_pci_init(&driver, &psb_pci_driver);
670 }
671
672 static void __exit psb_exit(void)
673 {
674         drm_pci_exit(&driver, &psb_pci_driver);
675 }
676
677 late_initcall(psb_init);
678 module_exit(psb_exit);
679
680 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
681 MODULE_DESCRIPTION(DRIVER_DESC);
682 MODULE_LICENSE("GPL");