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drm: Make vblank_disable_allowed bool
[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>
760285e7 24#include <drm/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},
9aa65a2b
AC		 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},
5c49fd3a 90#endif
aa53f533 91 { 0, }
5c49fd3a
AC		 92};
93MODULE_DEVICE_TABLE(pci, pciidlist);
94
95/*
96 * Standard IOCTLs.
97 */
98
670c0444 99#define DRM_IOCTL_GMA_ADB \
770179d5 100 DRM_IOWR(DRM_GMA_ADB + DRM_COMMAND_BASE, uint32_t)
670c0444 101#define DRM_IOCTL_GMA_MODE_OPERATION \
770179d5 102 DRM_IOWR(DRM_GMA_MODE_OPERATION + DRM_COMMAND_BASE, \
5c49fd3a 103 struct drm_psb_mode_operation_arg)
670c0444 104#define DRM_IOCTL_GMA_STOLEN_MEMORY \
770179d5 105 DRM_IOWR(DRM_GMA_STOLEN_MEMORY + DRM_COMMAND_BASE, \
5c49fd3a 106 struct drm_psb_stolen_memory_arg)
670c0444 107#define DRM_IOCTL_GMA_GAMMA \
770179d5 108 DRM_IOWR(DRM_GMA_GAMMA + DRM_COMMAND_BASE, \
5c49fd3a 109 struct drm_psb_dpst_lut_arg)
670c0444 110#define DRM_IOCTL_GMA_DPST_BL \
770179d5 111 DRM_IOWR(DRM_GMA_DPST_BL + DRM_COMMAND_BASE, \
5c49fd3a 112 uint32_t)
670c0444 113#define DRM_IOCTL_GMA_GET_PIPE_FROM_CRTC_ID \
770179d5 114 DRM_IOWR(DRM_GMA_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
5c49fd3a 115 struct drm_psb_get_pipe_from_crtc_id_arg)
670c0444 116#define DRM_IOCTL_GMA_GEM_CREATE \
770179d5 117 DRM_IOWR(DRM_GMA_GEM_CREATE + DRM_COMMAND_BASE, \
5c49fd3a 118 struct drm_psb_gem_create)
670c0444 119#define DRM_IOCTL_GMA_GEM_MMAP \
770179d5 120 DRM_IOWR(DRM_GMA_GEM_MMAP + DRM_COMMAND_BASE, \
5c49fd3a
AC		 121 struct drm_psb_gem_mmap)
122
5c49fd3a
AC		 123static int psb_adb_ioctl(struct drm_device *dev, void *data,
124 struct drm_file *file_priv);
125static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
126 struct drm_file *file_priv);
127static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
128 struct drm_file *file_priv);
5c49fd3a
AC		 129static int psb_gamma_ioctl(struct drm_device *dev, void *data,
130 struct drm_file *file_priv);
131static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
132 struct drm_file *file_priv);
133
baa70943 134static const struct drm_ioctl_desc psb_ioctls[] = {
670c0444
KS		 135 DRM_IOCTL_DEF_DRV(GMA_ADB, psb_adb_ioctl, DRM_AUTH),
136 DRM_IOCTL_DEF_DRV(GMA_MODE_OPERATION, psb_mode_operation_ioctl,
5c49fd3a 137 DRM_AUTH),
670c0444 138 DRM_IOCTL_DEF_DRV(GMA_STOLEN_MEMORY, psb_stolen_memory_ioctl,
5c49fd3a 139 DRM_AUTH),
670c0444
KS		 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,
5c49fd3a 143 psb_intel_get_pipe_from_crtc_id, 0),
670c0444 144 DRM_IOCTL_DEF_DRV(GMA_GEM_CREATE, psb_gem_create_ioctl,
5c49fd3a 145 DRM_UNLOCKED | DRM_AUTH),
670c0444 146 DRM_IOCTL_DEF_DRV(GMA_GEM_MMAP, psb_gem_mmap_ioctl,
5c49fd3a
AC		 147 DRM_UNLOCKED | DRM_AUTH),
148};
149
150static void psb_lastclose(struct drm_device *dev)
151{
7147573a
DV		 152 int ret;
153 struct drm_psb_private *dev_priv = dev->dev_private;
154 struct psb_fbdev *fbdev = dev_priv->fbdev;
155
0a819515 156 drm_modeset_lock_all(dev);
7147573a
DV		 157 ret = drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper);
158 if (ret)
159 DRM_DEBUG("failed to restore crtc mode\n");
0a819515 160 drm_modeset_unlock_all(dev);
7147573a 161
5c49fd3a
AC		 162 return;
163}
164
5c49fd3a
AC		 165static int psb_do_init(struct drm_device *dev)
166{
167 struct drm_psb_private *dev_priv = dev->dev_private;
168 struct psb_gtt *pg = &dev_priv->gtt;
169
170 uint32_t stolen_gtt;
171
172 int ret = -ENOMEM;
173
174 if (pg->mmu_gatt_start & 0x0FFFFFFF) {
175 dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
176 ret = -EINVAL;
177 goto out_err;
178 }
179
180
181 stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
182 stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
183 stolen_gtt =
184 (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
185
186 dev_priv->gatt_free_offset = pg->mmu_gatt_start +
187 (stolen_gtt << PAGE_SHIFT) * 1024;
188
5c49fd3a 189 spin_lock_init(&dev_priv->irqmask_lock);
9242fe23 190 spin_lock_init(&dev_priv->lock_2d);
5c49fd3a
AC		 191
192 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
193 PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
194 PSB_RSGX32(PSB_CR_BIF_BANK1);
195 PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
196 PSB_CR_BIF_CTRL);
197 psb_spank(dev_priv);
198
199 /* mmu_gatt ?? */
200 PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
201 return 0;
202out_err:
5c49fd3a
AC		 203 return ret;
204}
205
206static int psb_driver_unload(struct drm_device *dev)
207{
208 struct drm_psb_private *dev_priv = dev->dev_private;
209
210 /* Kill vblank etc here */
211
5c49fd3a
AC		 212
213 if (dev_priv) {
4ab2c7f1
AC		 214 if (dev_priv->backlight_device)
215 gma_backlight_exit(dev);
216 psb_modeset_cleanup(dev);
5c49fd3a
AC		 217
218 if (dev_priv->ops->chip_teardown)
219 dev_priv->ops->chip_teardown(dev);
6607e024
AC		 220
221 psb_intel_opregion_fini(dev);
5c49fd3a
AC		 222
223 if (dev_priv->pf_pd) {
224 psb_mmu_free_pagedir(dev_priv->pf_pd);
225 dev_priv->pf_pd = NULL;
226 }
227 if (dev_priv->mmu) {
228 struct psb_gtt *pg = &dev_priv->gtt;
229
230 down_read(&pg->sem);
231 psb_mmu_remove_pfn_sequence(
232 psb_mmu_get_default_pd
233 (dev_priv->mmu),
234 pg->mmu_gatt_start,
235 dev_priv->vram_stolen_size >> PAGE_SHIFT);
236 up_read(&pg->sem);
237 psb_mmu_driver_takedown(dev_priv->mmu);
238 dev_priv->mmu = NULL;
239 }
240 psb_gtt_takedown(dev);
241 if (dev_priv->scratch_page) {
1896344b 242 set_pages_wb(dev_priv->scratch_page, 1);
5c49fd3a
AC		 243 __free_page(dev_priv->scratch_page);
244 dev_priv->scratch_page = NULL;
245 }
246 if (dev_priv->vdc_reg) {
247 iounmap(dev_priv->vdc_reg);
248 dev_priv->vdc_reg = NULL;
249 }
250 if (dev_priv->sgx_reg) {
251 iounmap(dev_priv->sgx_reg);
252 dev_priv->sgx_reg = NULL;
253 }
254
4ab2c7f1
AC		 255 /* Destroy VBT data */
256 psb_intel_destroy_bios(dev);
257
5c49fd3a
AC		 258 kfree(dev_priv);
259 dev->dev_private = NULL;
5c49fd3a 260 }
5c49fd3a 261 gma_power_uninit(dev);
5c49fd3a
AC		 262 return 0;
263}
264
265
266static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
267{
268 struct drm_psb_private *dev_priv;
269 unsigned long resource_start;
5c49fd3a
AC		 270 unsigned long irqflags;
271 int ret = -ENOMEM;
5c49fd3a 272 struct drm_connector *connector;
367e4408 273 struct gma_encoder *gma_encoder;
5c49fd3a
AC		 274
275 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
276 if (dev_priv == NULL)
277 return -ENOMEM;
278
279 dev_priv->ops = (struct psb_ops *)chipset;
280 dev_priv->dev = dev;
281 dev->dev_private = (void *) dev_priv;
282
466e69b8
DA		 283 pci_set_master(dev->pdev);
284
5c49fd3a
AC		 285 dev_priv->num_pipe = dev_priv->ops->pipes;
286
287 resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
288
289 dev_priv->vdc_reg =
290 ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
291 if (!dev_priv->vdc_reg)
292 goto out_err;
293
294 dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
295 PSB_SGX_SIZE);
296 if (!dev_priv->sgx_reg)
297 goto out_err;
298
d839ede4
AC		 299 psb_intel_opregion_setup(dev);
300
5c49fd3a
AC		 301 ret = dev_priv->ops->chip_setup(dev);
302 if (ret)
303 goto out_err;
304
305 /* Init OSPM support */
306 gma_power_init(dev);
307
308 ret = -ENOMEM;
309
310 dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
311 if (!dev_priv->scratch_page)
312 goto out_err;
313
314 set_pages_uc(dev_priv->scratch_page, 1);
315
316 ret = psb_gtt_init(dev, 0);
317 if (ret)
318 goto out_err;
319
320 dev_priv->mmu = psb_mmu_driver_init((void *)0,
321 drm_psb_trap_pagefaults, 0,
322 dev_priv);
323 if (!dev_priv->mmu)
324 goto out_err;
325
5c49fd3a
AC		 326 dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
327 if (!dev_priv->pf_pd)
328 goto out_err;
329
330 psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
331 psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
332
333 ret = psb_do_init(dev);
334 if (ret)
335 return ret;
336
337 PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
338 PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
339
d839ede4 340 acpi_video_register();
5c49fd3a
AC		 341
342 ret = drm_vblank_init(dev, dev_priv->num_pipe);
343 if (ret)
344 goto out_err;
345
346 /*
347 * Install interrupt handlers prior to powering off SGX or else we will
348 * crash.
349 */
350 dev_priv->vdc_irq_mask = 0;
351 dev_priv->pipestat[0] = 0;
352 dev_priv->pipestat[1] = 0;
353 dev_priv->pipestat[2] = 0;
354 spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
355 PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
356 PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
357 PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
358 spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
62363a48
AC		 359
360 drm_irq_install(dev);
5c49fd3a 361
ba0bf120 362 dev->vblank_disable_allowed = true;
5c49fd3a
AC		 363
364 dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
365
366 dev->driver->get_vblank_counter = psb_get_vblank_counter;
367
f9f23a77
AC		 368 psb_modeset_init(dev);
369 psb_fbdev_init(dev);
370 drm_kms_helper_poll_init(dev);
5c49fd3a
AC		 371
372 /* Only add backlight support if we have LVDS output */
373 list_for_each_entry(connector, &dev->mode_config.connector_list,
374 head) {
367e4408 375 gma_encoder = gma_attached_encoder(connector);
5c49fd3a 376
367e4408 377 switch (gma_encoder->type) {
5c49fd3a
AC		 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;
166973e5 387 psb_intel_opregion_enable_asle(dev);
5c49fd3a
AC		 388#if 0
389 /*enable runtime pm at last*/
390 pm_runtime_enable(&dev->pdev->dev);
391 pm_runtime_set_active(&dev->pdev->dev);
392#endif
393 /*Intel drm driver load is done, continue doing pvr load*/
394 return 0;
395out_err:
396 psb_driver_unload(dev);
397 return ret;
398}
399
15308e23 400static int psb_driver_device_is_agp(struct drm_device *dev)
5c49fd3a
AC		 401{
402 return 0;
403}
404
5c49fd3a
AC		 405static inline void get_brightness(struct backlight_device *bd)
406{
407#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
408 if (bd) {
409 bd->props.brightness = bd->ops->get_brightness(bd);
410 backlight_update_status(bd);
411 }
412#endif
413}
414
415static int psb_dpst_bl_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_adj2 = *arg;
422 get_brightness(dev_priv->backlight_device);
423 return 0;
424}
425
426static int psb_adb_ioctl(struct drm_device *dev, void *data,
427 struct drm_file *file_priv)
428{
429 struct drm_psb_private *dev_priv = psb_priv(dev);
430 uint32_t *arg = data;
431
432 dev_priv->blc_adj1 = *arg;
433 get_brightness(dev_priv->backlight_device);
434 return 0;
435}
436
5c49fd3a
AC		 437static int psb_gamma_ioctl(struct drm_device *dev, void *data,
438 struct drm_file *file_priv)
439{
440 struct drm_psb_dpst_lut_arg *lut_arg = data;
441 struct drm_mode_object *obj;
442 struct drm_crtc *crtc;
443 struct drm_connector *connector;
6306865d 444 struct gma_crtc *gma_crtc;
5c49fd3a
AC		 445 int i = 0;
446 int32_t obj_id;
447
448 obj_id = lut_arg->output_id;
449 obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
450 if (!obj) {
451 dev_dbg(dev->dev, "Invalid Connector object.\n");
452 return -EINVAL;
453 }
454
455 connector = obj_to_connector(obj);
456 crtc = connector->encoder->crtc;
6306865d 457 gma_crtc = to_gma_crtc(crtc);
5c49fd3a
AC		 458
459 for (i = 0; i < 256; i++)
6306865d 460 gma_crtc->lut_adj[i] = lut_arg->lut[i];
5c49fd3a 461
6443ea1a 462 gma_crtc_load_lut(crtc);
5c49fd3a
AC		 463
464 return 0;
465}
466
467static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
468 struct drm_file *file_priv)
469{
470 uint32_t obj_id;
471 uint16_t op;
472 struct drm_mode_modeinfo *umode;
473 struct drm_display_mode *mode = NULL;
474 struct drm_psb_mode_operation_arg *arg;
475 struct drm_mode_object *obj;
476 struct drm_connector *connector;
5c49fd3a
AC		 477 struct drm_connector_helper_funcs *connector_funcs;
478 int ret = 0;
479 int resp = MODE_OK;
5c49fd3a
AC		 480
481 arg = (struct drm_psb_mode_operation_arg *)data;
482 obj_id = arg->obj_id;
483 op = arg->operation;
484
485 switch (op) {
5c49fd3a
AC		 486 case PSB_MODE_OPERATION_MODE_VALID:
487 umode = &arg->mode;
488
0a819515 489 drm_modeset_lock_all(dev);
5c49fd3a
AC		 490
491 obj = drm_mode_object_find(dev, obj_id,
492 DRM_MODE_OBJECT_CONNECTOR);
493 if (!obj) {
494 ret = -EINVAL;
495 goto mode_op_out;
496 }
497
498 connector = obj_to_connector(obj);
499
500 mode = drm_mode_create(dev);
501 if (!mode) {
502 ret = -ENOMEM;
503 goto mode_op_out;
504 }
505
506 /* drm_crtc_convert_umode(mode, umode); */
507 {
508 mode->clock = umode->clock;
509 mode->hdisplay = umode->hdisplay;
510 mode->hsync_start = umode->hsync_start;
511 mode->hsync_end = umode->hsync_end;
512 mode->htotal = umode->htotal;
513 mode->hskew = umode->hskew;
514 mode->vdisplay = umode->vdisplay;
515 mode->vsync_start = umode->vsync_start;
516 mode->vsync_end = umode->vsync_end;
517 mode->vtotal = umode->vtotal;
518 mode->vscan = umode->vscan;
519 mode->vrefresh = umode->vrefresh;
520 mode->flags = umode->flags;
521 mode->type = umode->type;
522 strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
523 mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
524 }
525
526 connector_funcs = (struct drm_connector_helper_funcs *)
527 connector->helper_private;
528
529 if (connector_funcs->mode_valid) {
530 resp = connector_funcs->mode_valid(connector, mode);
61bedf70 531 arg->data = resp;
5c49fd3a
AC		 532 }
533
534 /*do some clean up work*/
535 if (mode)
536 drm_mode_destroy(dev, mode);
537mode_op_out:
0a819515 538 drm_modeset_unlock_all(dev);
5c49fd3a
AC		 539 return ret;
540
541 default:
542 dev_dbg(dev->dev, "Unsupported psb mode operation\n");
543 return -EOPNOTSUPP;
544 }
545
546 return 0;
547}
548
549static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
550 struct drm_file *file_priv)
551{
552 struct drm_psb_private *dev_priv = psb_priv(dev);
553 struct drm_psb_stolen_memory_arg *arg = data;
554
555 arg->base = dev_priv->stolen_base;
556 arg->size = dev_priv->vram_stolen_size;
557
558 return 0;
559}
560
5c49fd3a
AC		 561static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
562{
563 return 0;
564}
565
566static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
567{
568}
569
570static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
571 unsigned long arg)
572{
573 struct drm_file *file_priv = filp->private_data;
574 struct drm_device *dev = file_priv->minor->dev;
575 struct drm_psb_private *dev_priv = dev->dev_private;
576 static unsigned int runtime_allowed;
577
578 if (runtime_allowed == 1 && dev_priv->is_lvds_on) {
579 runtime_allowed++;
580 pm_runtime_allow(&dev->pdev->dev);
581 dev_priv->rpm_enabled = 1;
582 }
583 return drm_ioctl(filp, cmd, arg);
584 /* FIXME: do we need to wrap the other side of this */
585}
586
587
588/* When a client dies:
589 * - Check for and clean up flipped page state
590 */
15308e23 591static void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
5c49fd3a
AC		 592{
593}
594
595static void psb_remove(struct pci_dev *pdev)
596{
597 struct drm_device *dev = pci_get_drvdata(pdev);
598 drm_put_dev(dev);
599}
600
601static const struct dev_pm_ops psb_pm_ops = {
602 .resume = gma_power_resume,
603 .suspend = gma_power_suspend,
888eef2e
PJ		 604 .thaw = gma_power_thaw,
605 .freeze = gma_power_freeze,
606 .restore = gma_power_restore,
5c49fd3a
AC		 607 .runtime_suspend = psb_runtime_suspend,
608 .runtime_resume = psb_runtime_resume,
609 .runtime_idle = psb_runtime_idle,
610};
611
78b68556 612static const struct vm_operations_struct psb_gem_vm_ops = {
5c49fd3a
AC		 613 .fault = psb_gem_fault,
614 .open = drm_gem_vm_open,
615 .close = drm_gem_vm_close,
616};
617
1595c568
IH		 618static const struct file_operations psb_gem_fops = {
619 .owner = THIS_MODULE,
620 .open = drm_open,
621 .release = drm_release,
622 .unlocked_ioctl = psb_unlocked_ioctl,
623 .mmap = drm_gem_mmap,
624 .poll = drm_poll,
1595c568
IH		 625 .read = drm_read,
626};
627
5c49fd3a
AC		 628static struct drm_driver driver = {
629 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
74867e3d 630 DRIVER_MODESET | DRIVER_GEM ,
5c49fd3a
AC		 631 .load = psb_driver_load,
632 .unload = psb_driver_unload,
633
634 .ioctls = psb_ioctls,
635 .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
636 .device_is_agp = psb_driver_device_is_agp,
637 .irq_preinstall = psb_irq_preinstall,
638 .irq_postinstall = psb_irq_postinstall,
639 .irq_uninstall = psb_irq_uninstall,
640 .irq_handler = psb_irq_handler,
641 .enable_vblank = psb_enable_vblank,
642 .disable_vblank = psb_disable_vblank,
643 .get_vblank_counter = psb_get_vblank_counter,
644 .lastclose = psb_lastclose,
645 .open = psb_driver_open,
646 .preclose = psb_driver_preclose,
647 .postclose = psb_driver_close,
5c49fd3a 648
5c49fd3a
AC		 649 .gem_free_object = psb_gem_free_object,
650 .gem_vm_ops = &psb_gem_vm_ops,
651 .dumb_create = psb_gem_dumb_create,
652 .dumb_map_offset = psb_gem_dumb_map_gtt,
43387b37 653 .dumb_destroy = drm_gem_dumb_destroy,
1595c568 654 .fops = &psb_gem_fops,
5c49fd3a
AC		 655 .name = DRIVER_NAME,
656 .desc = DRIVER_DESC,
657 .date = PSB_DRM_DRIVER_DATE,
658 .major = PSB_DRM_DRIVER_MAJOR,
659 .minor = PSB_DRM_DRIVER_MINOR,
660 .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
661};
662
663static struct pci_driver psb_pci_driver = {
664 .name = DRIVER_NAME,
665 .id_table = pciidlist,
666 .probe = psb_probe,
667 .remove = psb_remove,
aa53f533
KS		 668 .driver = {
669 .pm = &psb_pm_ops,
670 }
5c49fd3a
AC		 671};
672
673static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
674{
5c49fd3a
AC		 675 return drm_get_pci_dev(pdev, ent, &driver);
676}
677
678static int __init psb_init(void)
679{
680 return drm_pci_init(&driver, &psb_pci_driver);
681}
682
683static void __exit psb_exit(void)
684{
685 drm_pci_exit(&driver, &psb_pci_driver);
686}
687
688late_initcall(psb_init);
689module_exit(psb_exit);
690
691MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
692MODULE_DESCRIPTION(DRIVER_DESC);
693MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)