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gma500: Clean up some of the noise
[linux-2.6-block.git] / drivers / gpu / drm / gma500 / psb_drv.c
CommitLineData
5c49fd3a
AC		 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>
838fa588 24#include "gma_drm.h"
5c49fd3a
AC		 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>
af3a2cfb 38#include <linux/module.h>
5c49fd3a
AC		 39
40static int drm_psb_trap_pagefaults;
41
5c49fd3a
AC		 42static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
43
5c49fd3a 44MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
5c49fd3a
AC		 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 },
0cecdd81 51#if defined(CONFIG_DRM_GMA600)
5c49fd3a
AC		 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},
56125db1
AC		 60 /* Atom E620 */
61 { 0x8086, 0x4108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &oaktrail_chip_ops},
5c49fd3a 62#endif
026abc33
KS		 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
b6195aab 73#if defined(CONFIG_DRM_GMA3600)
5c49fd3a
AC		 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#endif
aa53f533 83 { 0, }
5c49fd3a
AC		 84};
85MODULE_DEVICE_TABLE(pci, pciidlist);
86
87/*
88 * Standard IOCTLs.
89 */
90
670c0444 91#define DRM_IOCTL_GMA_ADB \
770179d5 92 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
670c0444 93#define DRM_IOCTL_GMA_MODE_OPERATION \
770179d5 94 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
5c49fd3a 95 struct drm_psb_mode_operation_arg)
670c0444 96#define DRM_IOCTL_GMA_STOLEN_MEMORY \
770179d5 97 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
5c49fd3a 98 struct drm_psb_stolen_memory_arg)
670c0444 99#define DRM_IOCTL_GMA_GAMMA \
770179d5 100 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
5c49fd3a 101 struct drm_psb_dpst_lut_arg)
670c0444 102#define DRM_IOCTL_GMA_DPST_BL \
770179d5 103 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
5c49fd3a 104 uint32_t)
670c0444 105#define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID \
770179d5 106 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
5c49fd3a 107 struct drm_psb_get_pipe_from_crtc_id_arg)
670c0444 108#define DRM_IOCTL_GMA_GEM_CREATE \
770179d5 109 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
5c49fd3a 110 struct drm_psb_gem_create)
670c0444 111#define DRM_IOCTL_GMA_GEM_MMAP \
770179d5 112 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \
5c49fd3a
AC		 113 struct drm_psb_gem_mmap)
114
5c49fd3a
AC		 115static int psb_adb_ioctl(struct drm_device *dev, void *data,
116 struct drm_file *file_priv);
117static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
118 struct drm_file *file_priv);
119static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
120 struct drm_file *file_priv);
5c49fd3a
AC		 121static int psb_gamma_ioctl(struct drm_device *dev, void *data,
122 struct drm_file *file_priv);
123static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
124 struct drm_file *file_priv);
125
5c49fd3a 126static struct drm_ioctl_desc psb_ioctls[] = {
670c0444
KS		 127 DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH),
128 DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl,
5c49fd3a 129 DRM_AUTH),
670c0444 130 DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl,
5c49fd3a 131 DRM_AUTH),
670c0444
KS		 132 DRM_IOCTL_DEF_DRV(GMA_GAMMA, psb_gamma_ioctl, DRM_AUTH),
133 DRM_IOCTL_DEF_DRV(GMA_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
134 DRM_IOCTL_DEF_DRV(GMA_GET_PIPE_FROM_CRTC_ID,
5c49fd3a 135 psb_intel_get_pipe_from_crtc_id, 0),
670c0444 136 DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl,
5c49fd3a 137 DRM_UNLOCKED | DRM_AUTH),
670c0444 138 DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl,
5c49fd3a
AC		 139 DRM_UNLOCKED | DRM_AUTH),
140};
141
142static void psb_lastclose(struct drm_device *dev)
143{
144 return;
145}
146
147static void psb_do_takedown(struct drm_device *dev)
148{
5c49fd3a
AC		 149}
150
151static int psb_do_init(struct drm_device *dev)
152{
153 struct drm_psb_private *dev_priv = dev->dev_private;
154 struct psb_gtt *pg = &dev_priv->gtt;
155
156 uint32_t stolen_gtt;
157
158 int ret = -ENOMEM;
159
160 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
161 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
162 ret = -EINVAL;
163 goto out_err;
164 }
165
166
167 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
168 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
169 stolen_gtt =
170 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
171
172 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
173 (stolen_gtt << PAGE_SHIFT) * 1024;
174
5c49fd3a 175 spin_lock_init(&dev_priv->irqmask_lock);
9242fe23 176 spin_lock_init(&dev_priv->lock_2d);
5c49fd3a
AC		 177
178 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
179 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
180 PSB_RSGX32(PSB_CR_BIF_BANK1);
181 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
182 PSB_CR_BIF_CTRL);
183 psb_spank(dev_priv);
184
185 /* mmu_gatt ?? */
186 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
187 return 0;
188out_err:
189 psb_do_takedown(dev);
190 return ret;
191}
192
193static int psb_driver_unload(struct drm_device *dev)
194{
195 struct drm_psb_private *dev_priv = dev->dev_private;
196
197 /* Kill vblank etc here */
198
199 gma_backlight_exit(dev);
f9f23a77 200 psb_modeset_cleanup(dev);
5c49fd3a
AC		 201
202 if (dev_priv) {
d839ede4 203 psb_intel_opregion_fini(dev);
5c49fd3a 204 psb_lid_timer_takedown(dev_priv);
5c49fd3a
AC		 205
206 if (dev_priv->ops->chip_teardown)
207 dev_priv->ops->chip_teardown(dev);
208 psb_do_takedown(dev);
209
210
211 if (dev_priv->pf_pd) {
212 psb_mmu_free_pagedir(dev_priv->pf_pd);
213 dev_priv->pf_pd = NULL;
214 }
215 if (dev_priv->mmu) {
216 struct psb_gtt *pg = &dev_priv->gtt;
217
218 down_read(&pg->sem);
219 psb_mmu_remove_pfn_sequence(
220 psb_mmu_get_default_pd
221 (dev_priv->mmu),
222 pg->mmu_gatt_start,
223 dev_priv->vram_stolen_size >> PAGE_SHIFT);
224 up_read(&pg->sem);
225 psb_mmu_driver_takedown(dev_priv->mmu);
226 dev_priv->mmu = NULL;
227 }
228 psb_gtt_takedown(dev);
229 if (dev_priv->scratch_page) {
1896344b 230 set_pages_wb(dev_priv->scratch_page, 1);
5c49fd3a
AC		 231 __free_page(dev_priv->scratch_page);
232 dev_priv->scratch_page = NULL;
233 }
234 if (dev_priv->vdc_reg) {
235 iounmap(dev_priv->vdc_reg);
236 dev_priv->vdc_reg = NULL;
237 }
238 if (dev_priv->sgx_reg) {
239 iounmap(dev_priv->sgx_reg);
240 dev_priv->sgx_reg = NULL;
241 }
242
243 kfree(dev_priv);
244 dev->dev_private = NULL;
245
246 /*destroy VBT data*/
247 psb_intel_destroy_bios(dev);
248 }
249
250 gma_power_uninit(dev);
251
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;
5c49fd3a
AC		 260 unsigned long irqflags;
261 int ret = -ENOMEM;
5c49fd3a 262 struct drm_connector *connector;
1730f89b 263 struct psb_intel_encoder *psb_intel_encoder;
5c49fd3a
AC		 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
466e69b8
DA		 273 pci_set_master(dev->pdev);
274
84b08fe6
PJ		 275 if (!IS_PSB(dev)) {
276 if (pci_enable_msi(dev->pdev))
277 dev_warn(dev->dev, "Enabling MSI failed!\n");
278 }
279
5c49fd3a
AC		 280 dev_priv->num_pipe = dev_priv->ops->pipes;
281
282 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
283
284 dev_priv->vdc_reg =
285 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
286 if (!dev_priv->vdc_reg)
287 goto out_err;
288
289 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
290 PSB_SGX_SIZE);
291 if (!dev_priv->sgx_reg)
292 goto out_err;
293
d839ede4
AC		 294 psb_intel_opregion_setup(dev);
295
5c49fd3a
AC		 296 ret = dev_priv->ops->chip_setup(dev);
297 if (ret)
298 goto out_err;
299
300 /* Init OSPM support */
301 gma_power_init(dev);
302
303 ret = -ENOMEM;
304
305 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
306 if (!dev_priv->scratch_page)
307 goto out_err;
308
309 set_pages_uc(dev_priv->scratch_page, 1);
310
311 ret = psb_gtt_init(dev, 0);
312 if (ret)
313 goto out_err;
314
315 dev_priv->mmu = psb_mmu_driver_init((void *)0,
316 drm_psb_trap_pagefaults, 0,
317 dev_priv);
318 if (!dev_priv->mmu)
319 goto out_err;
320
5c49fd3a
AC		 321 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
322 if (!dev_priv->pf_pd)
323 goto out_err;
324
325 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
326 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
327
328 ret = psb_do_init(dev);
329 if (ret)
330 return ret;
331
332 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
333 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
334
d839ede4 335 acpi_video_register();
25933dde 336 if (dev_priv->opregion.lid_state)
5c49fd3a
AC		 337 psb_lid_timer_init(dev_priv);
338
339 ret = drm_vblank_init(dev, dev_priv->num_pipe);
340 if (ret)
341 goto out_err;
342
343 /*
344 * Install interrupt handlers prior to powering off SGX or else we will
345 * crash.
346 */
347 dev_priv->vdc_irq_mask = 0;
348 dev_priv->pipestat[0] = 0;
349 dev_priv->pipestat[1] = 0;
350 dev_priv->pipestat[2] = 0;
351 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
352 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
353 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
354 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
355 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
e036ba59 356 if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
5c49fd3a
AC		 357 drm_irq_install(dev);
358
359 dev->vblank_disable_allowed = 1;
360
361 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
362
363 dev->driver->get_vblank_counter = psb_get_vblank_counter;
364
f9f23a77
AC		 365 psb_modeset_init(dev);
366 psb_fbdev_init(dev);
367 drm_kms_helper_poll_init(dev);
5c49fd3a
AC		 368
369 /* Only add backlight support if we have LVDS output */
370 list_for_each_entry(connector, &dev->mode_config.connector_list,
371 head) {
1730f89b 372 psb_intel_encoder = psb_intel_attached_encoder(connector);
5c49fd3a 373
1730f89b 374 switch (psb_intel_encoder->type) {
5c49fd3a
AC		 375 case INTEL_OUTPUT_LVDS:
376 case INTEL_OUTPUT_MIPI:
377 ret = gma_backlight_init(dev);
378 break;
379 }
380 }
381
382 if (ret)
383 return ret;
384#if 0
385 /*enable runtime pm at last*/
386 pm_runtime_enable(&dev->pdev->dev);
387 pm_runtime_set_active(&dev->pdev->dev);
388#endif
389 /*Intel drm driver load is done, continue doing pvr load*/
390 return 0;
391out_err:
392 psb_driver_unload(dev);
393 return ret;
394}
395
15308e23 396static int psb_driver_device_is_agp(struct drm_device *dev)
5c49fd3a
AC		 397{
398 return 0;
399}
400
5c49fd3a
AC		 401static inline void get_brightness(struct backlight_device *bd)
402{
403#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
404 if (bd) {
405 bd->props.brightness = bd->ops->get_brightness(bd);
406 backlight_update_status(bd);
407 }
408#endif
409}
410
411static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
412 struct drm_file *file_priv)
413{
414 struct drm_psb_private *dev_priv = psb_priv(dev);
415 uint32_t *arg = data;
416
417 dev_priv->blc_adj2 = *arg;
418 get_brightness(dev_priv->backlight_device);
419 return 0;
420}
421
422static int psb_adb_ioctl(struct drm_device *dev, void *data,
423 struct drm_file *file_priv)
424{
425 struct drm_psb_private *dev_priv = psb_priv(dev);
426 uint32_t *arg = data;
427
428 dev_priv->blc_adj1 = *arg;
429 get_brightness(dev_priv->backlight_device);
430 return 0;
431}
432
5c49fd3a
AC		 433static int psb_gamma_ioctl(struct drm_device *dev, void *data,
434 struct drm_file *file_priv)
435{
436 struct drm_psb_dpst_lut_arg *lut_arg = data;
437 struct drm_mode_object *obj;
438 struct drm_crtc *crtc;
439 struct drm_connector *connector;
440 struct psb_intel_crtc *psb_intel_crtc;
441 int i = 0;
442 int32_t obj_id;
443
444 obj_id = lut_arg->output_id;
445 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
446 if (!obj) {
447 dev_dbg(dev->dev, "Invalid Connector object.\n");
448 return -EINVAL;
449 }
450
451 connector = obj_to_connector(obj);
452 crtc = connector->encoder->crtc;
453 psb_intel_crtc = to_psb_intel_crtc(crtc);
454
455 for (i = 0; i < 256; i++)
456 psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
457
458 psb_intel_crtc_load_lut(crtc);
459
460 return 0;
461}
462
463static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
464 struct drm_file *file_priv)
465{
466 uint32_t obj_id;
467 uint16_t op;
468 struct drm_mode_modeinfo *umode;
469 struct drm_display_mode *mode = NULL;
470 struct drm_psb_mode_operation_arg *arg;
471 struct drm_mode_object *obj;
472 struct drm_connector *connector;
5c49fd3a
AC		 473 struct drm_connector_helper_funcs *connector_funcs;
474 int ret = 0;
475 int resp = MODE_OK;
5c49fd3a
AC		 476
477 arg = (struct drm_psb_mode_operation_arg *)data;
478 obj_id = arg->obj_id;
479 op = arg->operation;
480
481 switch (op) {
5c49fd3a
AC		 482 case PSB_MODE_OPERATION_MODE_VALID:
483 umode = &arg->mode;
484
485 mutex_lock(&dev->mode_config.mutex);
486
487 obj = drm_mode_object_find(dev, obj_id,
488 DRM_MODE_OBJECT_CONNECTOR);
489 if (!obj) {
490 ret = -EINVAL;
491 goto mode_op_out;
492 }
493
494 connector = obj_to_connector(obj);
495
496 mode = drm_mode_create(dev);
497 if (!mode) {
498 ret = -ENOMEM;
499 goto mode_op_out;
500 }
501
502 /* drm_crtc_convert_umode(mode, umode); */
503 {
504 mode->clock = umode->clock;
505 mode->hdisplay = umode->hdisplay;
506 mode->hsync_start = umode->hsync_start;
507 mode->hsync_end = umode->hsync_end;
508 mode->htotal = umode->htotal;
509 mode->hskew = umode->hskew;
510 mode->vdisplay = umode->vdisplay;
511 mode->vsync_start = umode->vsync_start;
512 mode->vsync_end = umode->vsync_end;
513 mode->vtotal = umode->vtotal;
514 mode->vscan = umode->vscan;
515 mode->vrefresh = umode->vrefresh;
516 mode->flags = umode->flags;
517 mode->type = umode->type;
518 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
519 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
520 }
521
522 connector_funcs = (struct drm_connector_helper_funcs *)
523 connector->helper_private;
524
525 if (connector_funcs->mode_valid) {
526 resp = connector_funcs->mode_valid(connector, mode);
61bedf70 527 arg->data = resp;
5c49fd3a
AC		 528 }
529
530 /*do some clean up work*/
531 if (mode)
532 drm_mode_destroy(dev, mode);
533mode_op_out:
534 mutex_unlock(&dev->mode_config.mutex);
535 return ret;
536
537 default:
538 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
539 return -EOPNOTSUPP;
540 }
541
542 return 0;
543}
544
545static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
546 struct drm_file *file_priv)
547{
548 struct drm_psb_private *dev_priv = psb_priv(dev);
549 struct drm_psb_stolen_memory_arg *arg = data;
550
551 arg->base = dev_priv->stolen_base;
552 arg->size = dev_priv->vram_stolen_size;
553
554 return 0;
555}
556
5c49fd3a
AC		 557static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
558{
559 return 0;
560}
561
562static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
563{
564}
565
566static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
567 unsigned long arg)
568{
569 struct drm_file *file_priv = filp->private_data;
570 struct drm_device *dev = file_priv->minor->dev;
571 struct drm_psb_private *dev_priv = dev->dev_private;
572 static unsigned int runtime_allowed;
573
574 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
575 runtime_allowed++;
576 pm_runtime_allow(&dev->pdev->dev);
577 dev_priv->rpm_enabled = 1;
578 }
579 return drm_ioctl(filp, cmd, arg);
580 /* FIXME: do we need to wrap the other side of this */
581}
582
583
584/* When a client dies:
585 * - Check for and clean up flipped page state
586 */
15308e23 587static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
5c49fd3a
AC		 588{
589}
590
591static void psb_remove(struct pci_dev *pdev)
592{
593 struct drm_device *dev = pci_get_drvdata(pdev);
594 drm_put_dev(dev);
595}
596
597static const struct dev_pm_ops psb_pm_ops = {
598 .resume = gma_power_resume,
599 .suspend = gma_power_suspend,
600 .runtime_suspend = psb_runtime_suspend,
601 .runtime_resume = psb_runtime_resume,
602 .runtime_idle = psb_runtime_idle,
603};
604
605static struct vm_operations_struct psb_gem_vm_ops = {
606 .fault = psb_gem_fault,
607 .open = drm_gem_vm_open,
608 .close = drm_gem_vm_close,
609};
610
1595c568
IH		 611static const struct file_operations psb_gem_fops = {
612 .owner = THIS_MODULE,
613 .open = drm_open,
614 .release = drm_release,
615 .unlocked_ioctl = psb_unlocked_ioctl,
616 .mmap = drm_gem_mmap,
617 .poll = drm_poll,
618 .fasync = drm_fasync,
619 .read = drm_read,
620};
621
5c49fd3a
AC		 622static struct drm_driver driver = {
623 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
624 DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
625 .load = psb_driver_load,
626 .unload = psb_driver_unload,
627
628 .ioctls = psb_ioctls,
629 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
630 .device_is_agp = psb_driver_device_is_agp,
631 .irq_preinstall = psb_irq_preinstall,
632 .irq_postinstall = psb_irq_postinstall,
633 .irq_uninstall = psb_irq_uninstall,
634 .irq_handler = psb_irq_handler,
635 .enable_vblank = psb_enable_vblank,
636 .disable_vblank = psb_disable_vblank,
637 .get_vblank_counter = psb_get_vblank_counter,
638 .lastclose = psb_lastclose,
639 .open = psb_driver_open,
640 .preclose = psb_driver_preclose,
641 .postclose = psb_driver_close,
642 .reclaim_buffers = drm_core_reclaim_buffers,
643
644 .gem_init_object = psb_gem_init_object,
645 .gem_free_object = psb_gem_free_object,
646 .gem_vm_ops = &psb_gem_vm_ops,
647 .dumb_create = psb_gem_dumb_create,
648 .dumb_map_offset = psb_gem_dumb_map_gtt,
649 .dumb_destroy = psb_gem_dumb_destroy,
1595c568 650 .fops = &psb_gem_fops,
5c49fd3a
AC		 651 .name = DRIVER_NAME,
652 .desc = DRIVER_DESC,
653 .date = PSB_DRM_DRIVER_DATE,
654 .major = PSB_DRM_DRIVER_MAJOR,
655 .minor = PSB_DRM_DRIVER_MINOR,
656 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
657};
658
659static struct pci_driver psb_pci_driver = {
660 .name = DRIVER_NAME,
661 .id_table = pciidlist,
662 .probe = psb_probe,
663 .remove = psb_remove,
aa53f533
KS		 664 .driver = {
665 .pm = &psb_pm_ops,
666 }
5c49fd3a
AC		 667};
668
669static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
670{
5c49fd3a
AC		 671 return drm_get_pci_dev(pdev, ent, &driver);
672}
673
674static int __init psb_init(void)
675{
676 return drm_pci_init(&driver, &psb_pci_driver);
677}
678
679static void __exit psb_exit(void)
680{
681 drm_pci_exit(&driver, &psb_pci_driver);
682}
683
684late_initcall(psb_init);
685module_exit(psb_exit);
686
687MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
688MODULE_DESCRIPTION(DRIVER_DESC);
689MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)