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tty/serial: atmel_serial: whitespace and braces modifications
[zen-stable.git] / drivers / staging / gma500 / psb_drv.c
blobb2cdce7b97ef5529205e05a44317840281665ffc
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_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 "mdfld_dsi_dbi.h"
32 #include <drm/drm_pciids.h>
33 #include "power.h"
34 #include <linux/cpu.h>
35 #include <linux/notifier.h>
36 #include <linux/spinlock.h>
37 #include <linux/pm_runtime.h>
38 #include <acpi/video.h>
39
40 static int drm_psb_trap_pagefaults;
41
42 int drm_psb_no_fb;
43
44 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
45
46 MODULE_PARM_DESC(no_fb, "Disable FBdev");
47 MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
48 module_param_named(no_fb, drm_psb_no_fb, int, 0600);
49 module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
50
51
52 static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
53 { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
54 { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
55 #if defined(CONFIG_DRM_PSB_MRST)
56 { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
57 { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
58 { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
59 { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
60 { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
61 { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
62 { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
63 { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
64 #endif
65 #if defined(CONFIG_DRM_PSB_MFLD)
66 { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
67 { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
68 { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
69 { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
70 { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
71 { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
72 { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
73 { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
74 #endif
75 #if defined(CONFIG_DRM_PSB_CDV)
76 { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
77 { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
78 { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
79 { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
80 { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
81 { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
82 { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
83 { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
84 #endif
85 { 0, 0, 0}
86 };
87 MODULE_DEVICE_TABLE(pci, pciidlist);
88
89 /*
90 * Standard IOCTLs.
91 */
92
93 #define DRM_IOCTL_PSB_SIZES \
94 DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \
95 struct drm_psb_sizes_arg)
96 #define DRM_IOCTL_PSB_FUSE_REG \
97 DRM_IOWR(DRM_PSB_FUSE_REG + DRM_COMMAND_BASE, uint32_t)
98 #define DRM_IOCTL_PSB_DC_STATE \
99 DRM_IOW(DRM_PSB_DC_STATE + DRM_COMMAND_BASE, \
100 struct drm_psb_dc_state_arg)
101 #define DRM_IOCTL_PSB_ADB \
102 DRM_IOWR(DRM_PSB_ADB + DRM_COMMAND_BASE, uint32_t)
103 #define DRM_IOCTL_PSB_MODE_OPERATION \
104 DRM_IOWR(DRM_PSB_MODE_OPERATION + DRM_COMMAND_BASE, \
105 struct drm_psb_mode_operation_arg)
106 #define DRM_IOCTL_PSB_STOLEN_MEMORY \
107 DRM_IOWR(DRM_PSB_STOLEN_MEMORY + DRM_COMMAND_BASE, \
108 struct drm_psb_stolen_memory_arg)
109 #define DRM_IOCTL_PSB_REGISTER_RW \
110 DRM_IOWR(DRM_PSB_REGISTER_RW + DRM_COMMAND_BASE, \
111 struct drm_psb_register_rw_arg)
112 #define DRM_IOCTL_PSB_DPST \
113 DRM_IOWR(DRM_PSB_DPST + DRM_COMMAND_BASE, \
114 uint32_t)
115 #define DRM_IOCTL_PSB_GAMMA \
116 DRM_IOWR(DRM_PSB_GAMMA + DRM_COMMAND_BASE, \
117 struct drm_psb_dpst_lut_arg)
118 #define DRM_IOCTL_PSB_DPST_BL \
119 DRM_IOWR(DRM_PSB_DPST_BL + DRM_COMMAND_BASE, \
120 uint32_t)
121 #define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID \
122 DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
123 struct drm_psb_get_pipe_from_crtc_id_arg)
124 #define DRM_IOCTL_PSB_GEM_CREATE \
125 DRM_IOWR(DRM_PSB_GEM_CREATE + DRM_COMMAND_BASE, \
126 struct drm_psb_gem_create)
127 #define DRM_IOCTL_PSB_2D_OP \
128 DRM_IOW(DRM_PSB_2D_OP + DRM_COMMAND_BASE, \
129 struct drm_psb_2d_op)
130 #define DRM_IOCTL_PSB_GEM_MMAP \
131 DRM_IOWR(DRM_PSB_GEM_MMAP + DRM_COMMAND_BASE, \
132 struct drm_psb_gem_mmap)
133
134 static int psb_sizes_ioctl(struct drm_device *dev, void *data,
135 struct drm_file *file_priv);
136 static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
137 struct drm_file *file_priv);
138 static int psb_adb_ioctl(struct drm_device *dev, void *data,
139 struct drm_file *file_priv);
140 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
141 struct drm_file *file_priv);
142 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
143 struct drm_file *file_priv);
144 static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
145 struct drm_file *file_priv);
146 static int psb_dpst_ioctl(struct drm_device *dev, void *data,
147 struct drm_file *file_priv);
148 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
149 struct drm_file *file_priv);
150 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
151 struct drm_file *file_priv);
152
153 #define PSB_IOCTL_DEF(ioctl, func, flags) \
154 [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
155
156 static struct drm_ioctl_desc psb_ioctls[] = {
157 PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH),
158 PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH),
159 PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
160 PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl,
161 DRM_AUTH),
162 PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl,
163 DRM_AUTH),
164 PSB_IOCTL_DEF(DRM_IOCTL_PSB_REGISTER_RW, psb_register_rw_ioctl,
165 DRM_AUTH),
166 PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH),
167 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
168 PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
169 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
170 psb_intel_get_pipe_from_crtc_id, 0),
171 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl,
172 DRM_UNLOCKED | DRM_AUTH),
173 PSB_IOCTL_DEF(DRM_IOCTL_PSB_2D_OP, psb_accel_ioctl,
174 DRM_UNLOCKED| DRM_AUTH),
175 PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl,
176 DRM_UNLOCKED | DRM_AUTH),
177 };
178
179 static void psb_lastclose(struct drm_device *dev)
180 {
181 return;
182 }
183
184 static void psb_do_takedown(struct drm_device *dev)
185 {
186 /* FIXME: do we need to clean up the gtt here ? */
187 }
188
189 static int psb_do_init(struct drm_device *dev)
190 {
191 struct drm_psb_private *dev_priv = dev->dev_private;
192 struct psb_gtt *pg = &dev_priv->gtt;
193
194 uint32_t stolen_gtt;
195
196 int ret = -ENOMEM;
197
198 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
199 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
200 ret = -EINVAL;
201 goto out_err;
202 }
203
204
205 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
206 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
207 stolen_gtt =
208 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
209
210 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
211 (stolen_gtt << PAGE_SHIFT) * 1024;
212
213 if (1 || drm_debug) {
214 uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
215 uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
216 DRM_INFO("SGX core id = 0x%08x\n", core_id);
217 DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
218 (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
219 _PSB_CC_REVISION_MAJOR_SHIFT,
220 (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
221 _PSB_CC_REVISION_MINOR_SHIFT);
222 DRM_INFO
223 ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
224 (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
225 _PSB_CC_REVISION_MAINTENANCE_SHIFT,
226 (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
227 _PSB_CC_REVISION_DESIGNER_SHIFT);
228 }
229
230
231 spin_lock_init(&dev_priv->irqmask_lock);
232 mutex_init(&dev_priv->mutex_2d);
233
234 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
235 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
236 PSB_RSGX32(PSB_CR_BIF_BANK1);
237 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
238 PSB_CR_BIF_CTRL);
239 psb_spank(dev_priv);
240
241 /* mmu_gatt ?? */
242 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
243 return 0;
244 out_err:
245 psb_do_takedown(dev);
246 return ret;
247 }
248
249 static int psb_driver_unload(struct drm_device *dev)
250 {
251 struct drm_psb_private *dev_priv = dev->dev_private;
252
253 /* Kill vblank etc here */
254
255 gma_backlight_exit(dev);
256
257 if (drm_psb_no_fb == 0)
258 psb_modeset_cleanup(dev);
259
260 if (dev_priv) {
261 psb_lid_timer_takedown(dev_priv);
262 gma_intel_opregion_exit(dev);
263
264 if (dev_priv->ops->chip_teardown)
265 dev_priv->ops->chip_teardown(dev);
266 psb_do_takedown(dev);
267
268
269 if (dev_priv->pf_pd) {
270 psb_mmu_free_pagedir(dev_priv->pf_pd);
271 dev_priv->pf_pd = NULL;
272 }
273 if (dev_priv->mmu) {
274 struct psb_gtt *pg = &dev_priv->gtt;
275
276 down_read(&pg->sem);
277 psb_mmu_remove_pfn_sequence(
278 psb_mmu_get_default_pd
279 (dev_priv->mmu),
280 pg->mmu_gatt_start,
281 dev_priv->vram_stolen_size >> PAGE_SHIFT);
282 up_read(&pg->sem);
283 psb_mmu_driver_takedown(dev_priv->mmu);
284 dev_priv->mmu = NULL;
285 }
286 psb_gtt_takedown(dev);
287 if (dev_priv->scratch_page) {
288 __free_page(dev_priv->scratch_page);
289 dev_priv->scratch_page = NULL;
290 }
291 if (dev_priv->vdc_reg) {
292 iounmap(dev_priv->vdc_reg);
293 dev_priv->vdc_reg = NULL;
294 }
295 if (dev_priv->sgx_reg) {
296 iounmap(dev_priv->sgx_reg);
297 dev_priv->sgx_reg = NULL;
298 }
299
300 kfree(dev_priv);
301 dev->dev_private = NULL;
302
303 /*destroy VBT data*/
304 psb_intel_destroy_bios(dev);
305 }
306
307 gma_power_uninit(dev);
308
309 return 0;
310 }
311
312
313 static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
314 {
315 struct drm_psb_private *dev_priv;
316 unsigned long resource_start;
317 struct psb_gtt *pg;
318 unsigned long irqflags;
319 int ret = -ENOMEM;
320 uint32_t tt_pages;
321 struct drm_connector *connector;
322 struct psb_intel_output *psb_intel_output;
323
324 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
325 if (dev_priv == NULL)
326 return -ENOMEM;
327
328 dev_priv->ops = (struct psb_ops *)chipset;
329 dev_priv->dev = dev;
330 dev->dev_private = (void *) dev_priv;
331
332 dev_priv->num_pipe = dev_priv->ops->pipes;
333
334 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
335
336 dev_priv->vdc_reg =
337 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
338 if (!dev_priv->vdc_reg)
339 goto out_err;
340
341 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
342 PSB_SGX_SIZE);
343 if (!dev_priv->sgx_reg)
344 goto out_err;
345
346 ret = dev_priv->ops->chip_setup(dev);
347 if (ret)
348 goto out_err;
349
350 /* Init OSPM support */
351 gma_power_init(dev);
352
353 ret = -ENOMEM;
354
355 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
356 if (!dev_priv->scratch_page)
357 goto out_err;
358
359 set_pages_uc(dev_priv->scratch_page, 1);
360
361 ret = psb_gtt_init(dev, 0);
362 if (ret)
363 goto out_err;
364
365 dev_priv->mmu = psb_mmu_driver_init((void *)0,
366 drm_psb_trap_pagefaults, 0,
367 dev_priv);
368 if (!dev_priv->mmu)
369 goto out_err;
370
371 pg = &dev_priv->gtt;
372
373 tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
374 (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
375
376
377 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
378 if (!dev_priv->pf_pd)
379 goto out_err;
380
381 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
382 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
383
384 ret = psb_do_init(dev);
385 if (ret)
386 return ret;
387
388 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
389 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
390
391 /* igd_opregion_init(&dev_priv->opregion_dev); */
392 acpi_video_register();
393 if (dev_priv->lid_state)
394 psb_lid_timer_init(dev_priv);
395
396 ret = drm_vblank_init(dev, dev_priv->num_pipe);
397 if (ret)
398 goto out_err;
399
400 /*
401 * Install interrupt handlers prior to powering off SGX or else we will
402 * crash.
403 */
404 dev_priv->vdc_irq_mask = 0;
405 dev_priv->pipestat[0] = 0;
406 dev_priv->pipestat[1] = 0;
407 dev_priv->pipestat[2] = 0;
408 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
409 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
410 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
411 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
412 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
413 if (drm_core_check_feature(dev, DRIVER_MODESET))
414 drm_irq_install(dev);
415
416 dev->vblank_disable_allowed = 1;
417
418 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
419
420 dev->driver->get_vblank_counter = psb_get_vblank_counter;
421
422 #if defined(CONFIG_DRM_PSB_MFLD)
423 /* FIXME: this is not the right place for this stuff ! */
424 mdfld_output_setup(dev);
425 #endif
426 if (drm_psb_no_fb == 0) {
427 psb_modeset_init(dev);
428 psb_fbdev_init(dev);
429 drm_kms_helper_poll_init(dev);
430 }
431
432 /* Only add backlight support if we have LVDS output */
433 list_for_each_entry(connector, &dev->mode_config.connector_list,
434 head) {
435 psb_intel_output = to_psb_intel_output(connector);
436
437 switch (psb_intel_output->type) {
438 case INTEL_OUTPUT_LVDS:
439 case INTEL_OUTPUT_MIPI:
440 ret = gma_backlight_init(dev);
441 break;
442 }
443 }
444
445 if (ret)
446 return ret;
447 #if 0
448 /*enable runtime pm at last*/
449 pm_runtime_enable(&dev->pdev->dev);
450 pm_runtime_set_active(&dev->pdev->dev);
451 #endif
452 /*Intel drm driver load is done, continue doing pvr load*/
453 return 0;
454 out_err:
455 psb_driver_unload(dev);
456 return ret;
457 }
458
459 int psb_driver_device_is_agp(struct drm_device *dev)
460 {
461 return 0;
462 }
463
464
465 static int psb_sizes_ioctl(struct drm_device *dev, void *data,
466 struct drm_file *file_priv)
467 {
468 struct drm_psb_private *dev_priv = psb_priv(dev);
469 struct drm_psb_sizes_arg *arg =
470 (struct drm_psb_sizes_arg *) data;
471
472 *arg = dev_priv->sizes;
473 return 0;
474 }
475
476 static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
477 struct drm_file *file_priv)
478 {
479 uint32_t flags;
480 uint32_t obj_id;
481 struct drm_mode_object *obj;
482 struct drm_connector *connector;
483 struct drm_crtc *crtc;
484 struct drm_psb_dc_state_arg *arg =
485 (struct drm_psb_dc_state_arg *)data;
486
487
488 /* Double check MRST case */
489 if (IS_MRST(dev) || IS_MFLD(dev))
490 return -EOPNOTSUPP;
491
492 flags = arg->flags;
493 obj_id = arg->obj_id;
494
495 if (flags & PSB_DC_CRTC_MASK) {
496 obj = drm_mode_object_find(dev, obj_id,
497 DRM_MODE_OBJECT_CRTC);
498 if (!obj) {
499 dev_dbg(dev->dev, "Invalid CRTC object.\n");
500 return -EINVAL;
501 }
502
503 crtc = obj_to_crtc(obj);
504
505 mutex_lock(&dev->mode_config.mutex);
506 if (drm_helper_crtc_in_use(crtc)) {
507 if (flags & PSB_DC_CRTC_SAVE)
508 crtc->funcs->save(crtc);
509 else
510 crtc->funcs->restore(crtc);
511 }
512 mutex_unlock(&dev->mode_config.mutex);
513
514 return 0;
515 } else if (flags & PSB_DC_OUTPUT_MASK) {
516 obj = drm_mode_object_find(dev, obj_id,
517 DRM_MODE_OBJECT_CONNECTOR);
518 if (!obj) {
519 dev_dbg(dev->dev, "Invalid connector id.\n");
520 return -EINVAL;
521 }
522
523 connector = obj_to_connector(obj);
524 if (flags & PSB_DC_OUTPUT_SAVE)
525 connector->funcs->save(connector);
526 else
527 connector->funcs->restore(connector);
528
529 return 0;
530 }
531 return -EINVAL;
532 }
533
534 static inline void get_brightness(struct backlight_device *bd)
535 {
536 #ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
537 if (bd) {
538 bd->props.brightness = bd->ops->get_brightness(bd);
539 backlight_update_status(bd);
540 }
541 #endif
542 }
543
544 static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
545 struct drm_file *file_priv)
546 {
547 struct drm_psb_private *dev_priv = psb_priv(dev);
548 uint32_t *arg = data;
549
550 dev_priv->blc_adj2 = *arg;
551 get_brightness(dev_priv->backlight_device);
552 return 0;
553 }
554
555 static int psb_adb_ioctl(struct drm_device *dev, void *data,
556 struct drm_file *file_priv)
557 {
558 struct drm_psb_private *dev_priv = psb_priv(dev);
559 uint32_t *arg = data;
560
561 dev_priv->blc_adj1 = *arg;
562 get_brightness(dev_priv->backlight_device);
563 return 0;
564 }
565
566 /* return the current mode to the dpst module */
567 static int psb_dpst_ioctl(struct drm_device *dev, void *data,
568 struct drm_file *file_priv)
569 {
570 struct drm_psb_private *dev_priv = psb_priv(dev);
571 uint32_t *arg = data;
572 uint32_t x;
573 uint32_t y;
574 uint32_t reg;
575
576 if (!gma_power_begin(dev, 0))
577 return -EIO;
578
579 reg = PSB_RVDC32(PIPEASRC);
580
581 gma_power_end(dev);
582
583 /* horizontal is the left 16 bits */
584 x = reg >> 16;
585 /* vertical is the right 16 bits */
586 y = reg & 0x0000ffff;
587
588 /* the values are the image size minus one */
589 x++;
590 y++;
591
592 *arg = (x << 16) | y;
593
594 return 0;
595 }
596 static int psb_gamma_ioctl(struct drm_device *dev, void *data,
597 struct drm_file *file_priv)
598 {
599 struct drm_psb_dpst_lut_arg *lut_arg = data;
600 struct drm_mode_object *obj;
601 struct drm_crtc *crtc;
602 struct drm_connector *connector;
603 struct psb_intel_crtc *psb_intel_crtc;
604 int i = 0;
605 int32_t obj_id;
606
607 obj_id = lut_arg->output_id;
608 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
609 if (!obj) {
610 dev_dbg(dev->dev, "Invalid Connector object.\n");
611 return -EINVAL;
612 }
613
614 connector = obj_to_connector(obj);
615 crtc = connector->encoder->crtc;
616 psb_intel_crtc = to_psb_intel_crtc(crtc);
617
618 for (i = 0; i < 256; i++)
619 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
620
621 psb_intel_crtc_load_lut(crtc);
622
623 return 0;
624 }
625
626 static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
627 struct drm_file *file_priv)
628 {
629 uint32_t obj_id;
630 uint16_t op;
631 struct drm_mode_modeinfo *umode;
632 struct drm_display_mode *mode = NULL;
633 struct drm_psb_mode_operation_arg *arg;
634 struct drm_mode_object *obj;
635 struct drm_connector *connector;
636 struct drm_framebuffer *drm_fb;
637 struct psb_framebuffer *psb_fb;
638 struct drm_connector_helper_funcs *connector_funcs;
639 int ret = 0;
640 int resp = MODE_OK;
641 struct drm_psb_private *dev_priv = psb_priv(dev);
642
643 arg = (struct drm_psb_mode_operation_arg *)data;
644 obj_id = arg->obj_id;
645 op = arg->operation;
646
647 switch (op) {
648 case PSB_MODE_OPERATION_SET_DC_BASE:
649 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_FB);
650 if (!obj) {
651 dev_dbg(dev->dev, "Invalid FB id %d\n", obj_id);
652 return -EINVAL;
653 }
654
655 drm_fb = obj_to_fb(obj);
656 psb_fb = to_psb_fb(drm_fb);
657
658 if (gma_power_begin(dev, 0)) {
659 REG_WRITE(DSPASURF, psb_fb->gtt->offset);
660 REG_READ(DSPASURF);
661 gma_power_end(dev);
662 } else {
663 dev_priv->saveDSPASURF = psb_fb->gtt->offset;
664 }
665
666 return 0;
667 case PSB_MODE_OPERATION_MODE_VALID:
668 umode = &arg->mode;
669
670 mutex_lock(&dev->mode_config.mutex);
671
672 obj = drm_mode_object_find(dev, obj_id,
673 DRM_MODE_OBJECT_CONNECTOR);
674 if (!obj) {
675 ret = -EINVAL;
676 goto mode_op_out;
677 }
678
679 connector = obj_to_connector(obj);
680
681 mode = drm_mode_create(dev);
682 if (!mode) {
683 ret = -ENOMEM;
684 goto mode_op_out;
685 }
686
687 /* drm_crtc_convert_umode(mode, umode); */
688 {
689 mode->clock = umode->clock;
690 mode->hdisplay = umode->hdisplay;
691 mode->hsync_start = umode->hsync_start;
692 mode->hsync_end = umode->hsync_end;
693 mode->htotal = umode->htotal;
694 mode->hskew = umode->hskew;
695 mode->vdisplay = umode->vdisplay;
696 mode->vsync_start = umode->vsync_start;
697 mode->vsync_end = umode->vsync_end;
698 mode->vtotal = umode->vtotal;
699 mode->vscan = umode->vscan;
700 mode->vrefresh = umode->vrefresh;
701 mode->flags = umode->flags;
702 mode->type = umode->type;
703 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
704 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
705 }
706
707 connector_funcs = (struct drm_connector_helper_funcs *)
708 connector->helper_private;
709
710 if (connector_funcs->mode_valid) {
711 resp = connector_funcs->mode_valid(connector, mode);
712 arg->data = (void *)resp;
713 }
714
715 /*do some clean up work*/
716 if (mode)
717 drm_mode_destroy(dev, mode);
718 mode_op_out:
719 mutex_unlock(&dev->mode_config.mutex);
720 return ret;
721
722 default:
723 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
724 return -EOPNOTSUPP;
725 }
726
727 return 0;
728 }
729
730 static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
731 struct drm_file *file_priv)
732 {
733 struct drm_psb_private *dev_priv = psb_priv(dev);
734 struct drm_psb_stolen_memory_arg *arg = data;
735
736 arg->base = dev_priv->stolen_base;
737 arg->size = dev_priv->vram_stolen_size;
738
739 return 0;
740 }
741
742 /* FIXME: needs Medfield changes */
743 static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
744 struct drm_file *file_priv)
745 {
746 struct drm_psb_private *dev_priv = psb_priv(dev);
747 struct drm_psb_register_rw_arg *arg = data;
748 bool usage = arg->b_force_hw_on ? true : false;
749
750 if (arg->display_write_mask != 0) {
751 if (gma_power_begin(dev, usage)) {
752 if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
753 PSB_WVDC32(arg->display.pfit_controls,
754 PFIT_CONTROL);
755 if (arg->display_write_mask &
756 REGRWBITS_PFIT_AUTOSCALE_RATIOS)
757 PSB_WVDC32(arg->display.pfit_autoscale_ratios,
758 PFIT_AUTO_RATIOS);
759 if (arg->display_write_mask &
760 REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
761 PSB_WVDC32(
762 arg->display.pfit_programmed_scale_ratios,
763 PFIT_PGM_RATIOS);
764 if (arg->display_write_mask & REGRWBITS_PIPEASRC)
765 PSB_WVDC32(arg->display.pipeasrc,
766 PIPEASRC);
767 if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
768 PSB_WVDC32(arg->display.pipebsrc,
769 PIPEBSRC);
770 if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
771 PSB_WVDC32(arg->display.vtotal_a,
772 VTOTAL_A);
773 if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
774 PSB_WVDC32(arg->display.vtotal_b,
775 VTOTAL_B);
776 gma_power_end(dev);
777 } else {
778 if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
779 dev_priv->savePFIT_CONTROL =
780 arg->display.pfit_controls;
781 if (arg->display_write_mask &
782 REGRWBITS_PFIT_AUTOSCALE_RATIOS)
783 dev_priv->savePFIT_AUTO_RATIOS =
784 arg->display.pfit_autoscale_ratios;
785 if (arg->display_write_mask &
786 REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
787 dev_priv->savePFIT_PGM_RATIOS =
788 arg->display.pfit_programmed_scale_ratios;
789 if (arg->display_write_mask & REGRWBITS_PIPEASRC)
790 dev_priv->savePIPEASRC = arg->display.pipeasrc;
791 if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
792 dev_priv->savePIPEBSRC = arg->display.pipebsrc;
793 if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
794 dev_priv->saveVTOTAL_A = arg->display.vtotal_a;
795 if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
796 dev_priv->saveVTOTAL_B = arg->display.vtotal_b;
797 }
798 }
799
800 if (arg->display_read_mask != 0) {
801 if (gma_power_begin(dev, usage)) {
802 if (arg->display_read_mask &
803 REGRWBITS_PFIT_CONTROLS)
804 arg->display.pfit_controls =
805 PSB_RVDC32(PFIT_CONTROL);
806 if (arg->display_read_mask &
807 REGRWBITS_PFIT_AUTOSCALE_RATIOS)
808 arg->display.pfit_autoscale_ratios =
809 PSB_RVDC32(PFIT_AUTO_RATIOS);
810 if (arg->display_read_mask &
811 REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
812 arg->display.pfit_programmed_scale_ratios =
813 PSB_RVDC32(PFIT_PGM_RATIOS);
814 if (arg->display_read_mask & REGRWBITS_PIPEASRC)
815 arg->display.pipeasrc = PSB_RVDC32(PIPEASRC);
816 if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
817 arg->display.pipebsrc = PSB_RVDC32(PIPEBSRC);
818 if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
819 arg->display.vtotal_a = PSB_RVDC32(VTOTAL_A);
820 if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
821 arg->display.vtotal_b = PSB_RVDC32(VTOTAL_B);
822 gma_power_end(dev);
823 } else {
824 if (arg->display_read_mask &
825 REGRWBITS_PFIT_CONTROLS)
826 arg->display.pfit_controls =
827 dev_priv->savePFIT_CONTROL;
828 if (arg->display_read_mask &
829 REGRWBITS_PFIT_AUTOSCALE_RATIOS)
830 arg->display.pfit_autoscale_ratios =
831 dev_priv->savePFIT_AUTO_RATIOS;
832 if (arg->display_read_mask &
833 REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
834 arg->display.pfit_programmed_scale_ratios =
835 dev_priv->savePFIT_PGM_RATIOS;
836 if (arg->display_read_mask & REGRWBITS_PIPEASRC)
837 arg->display.pipeasrc = dev_priv->savePIPEASRC;
838 if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
839 arg->display.pipebsrc = dev_priv->savePIPEBSRC;
840 if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
841 arg->display.vtotal_a = dev_priv->saveVTOTAL_A;
842 if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
843 arg->display.vtotal_b = dev_priv->saveVTOTAL_B;
844 }
845 }
846
847 if (arg->overlay_write_mask != 0) {
848 if (gma_power_begin(dev, usage)) {
849 if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
850 PSB_WVDC32(arg->overlay.OGAMC5, OV_OGAMC5);
851 PSB_WVDC32(arg->overlay.OGAMC4, OV_OGAMC4);
852 PSB_WVDC32(arg->overlay.OGAMC3, OV_OGAMC3);
853 PSB_WVDC32(arg->overlay.OGAMC2, OV_OGAMC2);
854 PSB_WVDC32(arg->overlay.OGAMC1, OV_OGAMC1);
855 PSB_WVDC32(arg->overlay.OGAMC0, OV_OGAMC0);
856 }
857 if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
858 PSB_WVDC32(arg->overlay.OGAMC5, OVC_OGAMC5);
859 PSB_WVDC32(arg->overlay.OGAMC4, OVC_OGAMC4);
860 PSB_WVDC32(arg->overlay.OGAMC3, OVC_OGAMC3);
861 PSB_WVDC32(arg->overlay.OGAMC2, OVC_OGAMC2);
862 PSB_WVDC32(arg->overlay.OGAMC1, OVC_OGAMC1);
863 PSB_WVDC32(arg->overlay.OGAMC0, OVC_OGAMC0);
864 }
865
866 if (arg->overlay_write_mask & OV_REGRWBITS_OVADD) {
867 PSB_WVDC32(arg->overlay.OVADD, OV_OVADD);
868
869 if (arg->overlay.b_wait_vblank) {
870 /* Wait for 20ms.*/
871 unsigned long vblank_timeout = jiffies
872 + HZ/50;
873 uint32_t temp;
874 while (time_before_eq(jiffies,
875 vblank_timeout)) {
876 temp = PSB_RVDC32(OV_DOVASTA);
877 if ((temp & (0x1 << 31)) != 0)
878 break;
879 cpu_relax();
880 }
881 }
882 }
883 if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD) {
884 PSB_WVDC32(arg->overlay.OVADD, OVC_OVADD);
885 if (arg->overlay.b_wait_vblank) {
886 /* Wait for 20ms.*/
887 unsigned long vblank_timeout =
888 jiffies + HZ/50;
889 uint32_t temp;
890 while (time_before_eq(jiffies,
891 vblank_timeout)) {
892 temp = PSB_RVDC32(OVC_DOVCSTA);
893 if ((temp & (0x1 << 31)) != 0)
894 break;
895 cpu_relax();
896 }
897 }
898 }
899 gma_power_end(dev);
900 } else {
901 if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
902 dev_priv->saveOV_OGAMC5 = arg->overlay.OGAMC5;
903 dev_priv->saveOV_OGAMC4 = arg->overlay.OGAMC4;
904 dev_priv->saveOV_OGAMC3 = arg->overlay.OGAMC3;
905 dev_priv->saveOV_OGAMC2 = arg->overlay.OGAMC2;
906 dev_priv->saveOV_OGAMC1 = arg->overlay.OGAMC1;
907 dev_priv->saveOV_OGAMC0 = arg->overlay.OGAMC0;
908 }
909 if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
910 dev_priv->saveOVC_OGAMC5 = arg->overlay.OGAMC5;
911 dev_priv->saveOVC_OGAMC4 = arg->overlay.OGAMC4;
912 dev_priv->saveOVC_OGAMC3 = arg->overlay.OGAMC3;
913 dev_priv->saveOVC_OGAMC2 = arg->overlay.OGAMC2;
914 dev_priv->saveOVC_OGAMC1 = arg->overlay.OGAMC1;
915 dev_priv->saveOVC_OGAMC0 = arg->overlay.OGAMC0;
916 }
917 if (arg->overlay_write_mask & OV_REGRWBITS_OVADD)
918 dev_priv->saveOV_OVADD = arg->overlay.OVADD;
919 if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD)
920 dev_priv->saveOVC_OVADD = arg->overlay.OVADD;
921 }
922 }
923
924 if (arg->overlay_read_mask != 0) {
925 if (gma_power_begin(dev, usage)) {
926 if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
927 arg->overlay.OGAMC5 = PSB_RVDC32(OV_OGAMC5);
928 arg->overlay.OGAMC4 = PSB_RVDC32(OV_OGAMC4);
929 arg->overlay.OGAMC3 = PSB_RVDC32(OV_OGAMC3);
930 arg->overlay.OGAMC2 = PSB_RVDC32(OV_OGAMC2);
931 arg->overlay.OGAMC1 = PSB_RVDC32(OV_OGAMC1);
932 arg->overlay.OGAMC0 = PSB_RVDC32(OV_OGAMC0);
933 }
934 if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
935 arg->overlay.OGAMC5 = PSB_RVDC32(OVC_OGAMC5);
936 arg->overlay.OGAMC4 = PSB_RVDC32(OVC_OGAMC4);
937 arg->overlay.OGAMC3 = PSB_RVDC32(OVC_OGAMC3);
938 arg->overlay.OGAMC2 = PSB_RVDC32(OVC_OGAMC2);
939 arg->overlay.OGAMC1 = PSB_RVDC32(OVC_OGAMC1);
940 arg->overlay.OGAMC0 = PSB_RVDC32(OVC_OGAMC0);
941 }
942 if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
943 arg->overlay.OVADD = PSB_RVDC32(OV_OVADD);
944 if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
945 arg->overlay.OVADD = PSB_RVDC32(OVC_OVADD);
946 gma_power_end(dev);
947 } else {
948 if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
949 arg->overlay.OGAMC5 = dev_priv->saveOV_OGAMC5;
950 arg->overlay.OGAMC4 = dev_priv->saveOV_OGAMC4;
951 arg->overlay.OGAMC3 = dev_priv->saveOV_OGAMC3;
952 arg->overlay.OGAMC2 = dev_priv->saveOV_OGAMC2;
953 arg->overlay.OGAMC1 = dev_priv->saveOV_OGAMC1;
954 arg->overlay.OGAMC0 = dev_priv->saveOV_OGAMC0;
955 }
956 if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
957 arg->overlay.OGAMC5 = dev_priv->saveOVC_OGAMC5;
958 arg->overlay.OGAMC4 = dev_priv->saveOVC_OGAMC4;
959 arg->overlay.OGAMC3 = dev_priv->saveOVC_OGAMC3;
960 arg->overlay.OGAMC2 = dev_priv->saveOVC_OGAMC2;
961 arg->overlay.OGAMC1 = dev_priv->saveOVC_OGAMC1;
962 arg->overlay.OGAMC0 = dev_priv->saveOVC_OGAMC0;
963 }
964 if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
965 arg->overlay.OVADD = dev_priv->saveOV_OVADD;
966 if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
967 arg->overlay.OVADD = dev_priv->saveOVC_OVADD;
968 }
969 }
970
971 if (arg->sprite_enable_mask != 0) {
972 if (gma_power_begin(dev, usage)) {
973 PSB_WVDC32(0x1F3E, DSPARB);
974 PSB_WVDC32(arg->sprite.dspa_control
975 | PSB_RVDC32(DSPACNTR), DSPACNTR);
976 PSB_WVDC32(arg->sprite.dspa_key_value, DSPAKEYVAL);
977 PSB_WVDC32(arg->sprite.dspa_key_mask, DSPAKEYMASK);
978 PSB_WVDC32(PSB_RVDC32(DSPASURF), DSPASURF);
979 PSB_RVDC32(DSPASURF);
980 PSB_WVDC32(arg->sprite.dspc_control, DSPCCNTR);
981 PSB_WVDC32(arg->sprite.dspc_stride, DSPCSTRIDE);
982 PSB_WVDC32(arg->sprite.dspc_position, DSPCPOS);
983 PSB_WVDC32(arg->sprite.dspc_linear_offset, DSPCLINOFF);
984 PSB_WVDC32(arg->sprite.dspc_size, DSPCSIZE);
985 PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
986 PSB_RVDC32(DSPCSURF);
987 gma_power_end(dev);
988 }
989 }
990
991 if (arg->sprite_disable_mask != 0) {
992 if (gma_power_begin(dev, usage)) {
993 PSB_WVDC32(0x3F3E, DSPARB);
994 PSB_WVDC32(0x0, DSPCCNTR);
995 PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
996 PSB_RVDC32(DSPCSURF);
997 gma_power_end(dev);
998 }
999 }
1000
1001 if (arg->subpicture_enable_mask != 0) {
1002 if (gma_power_begin(dev, usage)) {
1003 uint32_t temp;
1004 if (arg->subpicture_enable_mask & REGRWBITS_DSPACNTR) {
1005 temp = PSB_RVDC32(DSPACNTR);
1006 temp &= ~DISPPLANE_PIXFORMAT_MASK;
1007 temp &= ~DISPPLANE_BOTTOM;
1008 temp |= DISPPLANE_32BPP;
1009 PSB_WVDC32(temp, DSPACNTR);
1010
1011 temp = PSB_RVDC32(DSPABASE);
1012 PSB_WVDC32(temp, DSPABASE);
1013 PSB_RVDC32(DSPABASE);
1014 temp = PSB_RVDC32(DSPASURF);
1015 PSB_WVDC32(temp, DSPASURF);
1016 PSB_RVDC32(DSPASURF);
1017 }
1018 if (arg->subpicture_enable_mask & REGRWBITS_DSPBCNTR) {
1019 temp = PSB_RVDC32(DSPBCNTR);
1020 temp &= ~DISPPLANE_PIXFORMAT_MASK;
1021 temp &= ~DISPPLANE_BOTTOM;
1022 temp |= DISPPLANE_32BPP;
1023 PSB_WVDC32(temp, DSPBCNTR);
1024
1025 temp = PSB_RVDC32(DSPBBASE);
1026 PSB_WVDC32(temp, DSPBBASE);
1027 PSB_RVDC32(DSPBBASE);
1028 temp = PSB_RVDC32(DSPBSURF);
1029 PSB_WVDC32(temp, DSPBSURF);
1030 PSB_RVDC32(DSPBSURF);
1031 }
1032 if (arg->subpicture_enable_mask & REGRWBITS_DSPCCNTR) {
1033 temp = PSB_RVDC32(DSPCCNTR);
1034 temp &= ~DISPPLANE_PIXFORMAT_MASK;
1035 temp &= ~DISPPLANE_BOTTOM;
1036 temp |= DISPPLANE_32BPP;
1037 PSB_WVDC32(temp, DSPCCNTR);
1038
1039 temp = PSB_RVDC32(DSPCBASE);
1040 PSB_WVDC32(temp, DSPCBASE);
1041 PSB_RVDC32(DSPCBASE);
1042 temp = PSB_RVDC32(DSPCSURF);
1043 PSB_WVDC32(temp, DSPCSURF);
1044 PSB_RVDC32(DSPCSURF);
1045 }
1046 gma_power_end(dev);
1047 }
1048 }
1049
1050 if (arg->subpicture_disable_mask != 0) {
1051 if (gma_power_begin(dev, usage)) {
1052 uint32_t temp;
1053 if (arg->subpicture_disable_mask & REGRWBITS_DSPACNTR) {
1054 temp = PSB_RVDC32(DSPACNTR);
1055 temp &= ~DISPPLANE_PIXFORMAT_MASK;
1056 temp |= DISPPLANE_32BPP_NO_ALPHA;
1057 PSB_WVDC32(temp, DSPACNTR);
1058
1059 temp = PSB_RVDC32(DSPABASE);
1060 PSB_WVDC32(temp, DSPABASE);
1061 PSB_RVDC32(DSPABASE);
1062 temp = PSB_RVDC32(DSPASURF);
1063 PSB_WVDC32(temp, DSPASURF);
1064 PSB_RVDC32(DSPASURF);
1065 }
1066 if (arg->subpicture_disable_mask & REGRWBITS_DSPBCNTR) {
1067 temp = PSB_RVDC32(DSPBCNTR);
1068 temp &= ~DISPPLANE_PIXFORMAT_MASK;
1069 temp |= DISPPLANE_32BPP_NO_ALPHA;
1070 PSB_WVDC32(temp, DSPBCNTR);
1071
1072 temp = PSB_RVDC32(DSPBBASE);
1073 PSB_WVDC32(temp, DSPBBASE);
1074 PSB_RVDC32(DSPBBASE);
1075 temp = PSB_RVDC32(DSPBSURF);
1076 PSB_WVDC32(temp, DSPBSURF);
1077 PSB_RVDC32(DSPBSURF);
1078 }
1079 if (arg->subpicture_disable_mask & REGRWBITS_DSPCCNTR) {
1080 temp = PSB_RVDC32(DSPCCNTR);
1081 temp &= ~DISPPLANE_PIXFORMAT_MASK;
1082 temp |= DISPPLANE_32BPP_NO_ALPHA;
1083 PSB_WVDC32(temp, DSPCCNTR);
1084
1085 temp = PSB_RVDC32(DSPCBASE);
1086 PSB_WVDC32(temp, DSPCBASE);
1087 PSB_RVDC32(DSPCBASE);
1088 temp = PSB_RVDC32(DSPCSURF);
1089 PSB_WVDC32(temp, DSPCSURF);
1090 PSB_RVDC32(DSPCSURF);
1091 }
1092 gma_power_end(dev);
1093 }
1094 }
1095
1096 return 0;
1097 }
1098
1099 static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
1100 {
1101 return 0;
1102 }
1103
1104 static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
1105 {
1106 }
1107
1108 static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
1109 unsigned long arg)
1110 {
1111 struct drm_file *file_priv = filp->private_data;
1112 struct drm_device *dev = file_priv->minor->dev;
1113 struct drm_psb_private *dev_priv = dev->dev_private;
1114 static unsigned int runtime_allowed;
1115
1116 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
1117 runtime_allowed++;
1118 pm_runtime_allow(&dev->pdev->dev);
1119 dev_priv->rpm_enabled = 1;
1120 }
1121 return drm_ioctl(filp, cmd, arg);
1122 /* FIXME: do we need to wrap the other side of this */
1123 }
1124
1125
1126 /* When a client dies:
1127 * - Check for and clean up flipped page state
1128 */
1129 void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
1130 {
1131 }
1132
1133 static void psb_remove(struct pci_dev *pdev)
1134 {
1135 struct drm_device *dev = pci_get_drvdata(pdev);
1136 drm_put_dev(dev);
1137 }
1138
1139 static const struct dev_pm_ops psb_pm_ops = {
1140 .resume = gma_power_resume,
1141 .suspend = gma_power_suspend,
1142 .runtime_suspend = psb_runtime_suspend,
1143 .runtime_resume = psb_runtime_resume,
1144 .runtime_idle = psb_runtime_idle,
1145 };
1146
1147 static struct vm_operations_struct psb_gem_vm_ops = {
1148 .fault = psb_gem_fault,
1149 .open = drm_gem_vm_open,
1150 .close = drm_gem_vm_close,
1151 };
1152
1153 static struct drm_driver driver = {
1154 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
1155 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
1156 .load = psb_driver_load,
1157 .unload = psb_driver_unload,
1158
1159 .ioctls = psb_ioctls,
1160 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
1161 .device_is_agp = psb_driver_device_is_agp,
1162 .irq_preinstall = psb_irq_preinstall,
1163 .irq_postinstall = psb_irq_postinstall,
1164 .irq_uninstall = psb_irq_uninstall,
1165 .irq_handler = psb_irq_handler,
1166 .enable_vblank = psb_enable_vblank,
1167 .disable_vblank = psb_disable_vblank,
1168 .get_vblank_counter = psb_get_vblank_counter,
1169 .lastclose = psb_lastclose,
1170 .open = psb_driver_open,
1171 .preclose = psb_driver_preclose,
1172 .postclose = psb_driver_close,
1173 .reclaim_buffers = drm_core_reclaim_buffers,
1174
1175 .gem_init_object = psb_gem_init_object,
1176 .gem_free_object = psb_gem_free_object,
1177 .gem_vm_ops = &psb_gem_vm_ops,
1178 .dumb_create = psb_gem_dumb_create,
1179 .dumb_map_offset = psb_gem_dumb_map_gtt,
1180 .dumb_destroy = psb_gem_dumb_destroy,
1181
1182 .fops = {
1183 .owner = THIS_MODULE,
1184 .open = drm_open,
1185 .release = drm_release,
1186 .unlocked_ioctl = psb_unlocked_ioctl,
1187 .mmap = drm_gem_mmap,
1188 .poll = drm_poll,
1189 .fasync = drm_fasync,
1190 .read = drm_read,
1191 },
1192 .name = DRIVER_NAME,
1193 .desc = DRIVER_DESC,
1194 .date = PSB_DRM_DRIVER_DATE,
1195 .major = PSB_DRM_DRIVER_MAJOR,
1196 .minor = PSB_DRM_DRIVER_MINOR,
1197 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
1198 };
1199
1200 static struct pci_driver psb_pci_driver = {
1201 .name = DRIVER_NAME,
1202 .id_table = pciidlist,
1203 .probe = psb_probe,
1204 .remove = psb_remove,
1205 .driver.pm = &psb_pm_ops,
1206 };
1207
1208 static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1209 {
1210 /* MLD Added this from Inaky's patch */
1211 if (pci_enable_msi(pdev))
1212 dev_warn(&pdev->dev, "Enable MSI failed!\n");
1213 return drm_get_pci_dev(pdev, ent, &driver);
1214 }
1215
1216 static int __init psb_init(void)
1217 {
1218 return drm_pci_init(&driver, &psb_pci_driver);
1219 }
1220
1221 static void __exit psb_exit(void)
1222 {
1223 drm_pci_exit(&driver, &psb_pci_driver);
1224 }
1225
1226 late_initcall(psb_init);
1227 module_exit(psb_exit);
1228
1229 MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
1230 MODULE_DESCRIPTION(DRIVER_DESC);
1231 MODULE_LICENSE("GPL");