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1/**************************************************************************
2 * Copyright (c) 2007-2011, Intel Corporation.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms and conditions of the GNU General Public License,
7 * version 2, as published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 **************************************************************************/
19
20#include <linux/module.h>
21#include <linux/kernel.h>
22#include <linux/errno.h>
23#include <linux/string.h>
24#include <linux/pfn_t.h>
25#include <linux/mm.h>
26#include <linux/tty.h>
27#include <linux/slab.h>
28#include <linux/delay.h>
29#include <linux/init.h>
30#include <linux/console.h>
31
32#include <drm/drmP.h>
33#include <drm/drm.h>
34#include <drm/drm_crtc.h>
35#include <drm/drm_fb_helper.h>
36
37#include "psb_drv.h"
38#include "psb_intel_reg.h"
39#include "psb_intel_drv.h"
40#include "framebuffer.h"
41#include "gtt.h"
42
43static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
44static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
45 struct drm_file *file_priv,
46 unsigned int *handle);
47
48static const struct drm_framebuffer_funcs psb_fb_funcs = {
49 .destroy = psb_user_framebuffer_destroy,
50 .create_handle = psb_user_framebuffer_create_handle,
51};
52
53#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
54
55static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
56 unsigned blue, unsigned transp,
57 struct fb_info *info)
58{
59 struct psb_fbdev *fbdev = info->par;
60 struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
61 uint32_t v;
62
63 if (!fb)
64 return -ENOMEM;
65
66 if (regno > 255)
67 return 1;
68
69 red = CMAP_TOHW(red, info->var.red.length);
70 blue = CMAP_TOHW(blue, info->var.blue.length);
71 green = CMAP_TOHW(green, info->var.green.length);
72 transp = CMAP_TOHW(transp, info->var.transp.length);
73
74 v = (red << info->var.red.offset) |
75 (green << info->var.green.offset) |
76 (blue << info->var.blue.offset) |
77 (transp << info->var.transp.offset);
78
79 if (regno < 16) {
80 switch (fb->bits_per_pixel) {
81 case 16:
82 ((uint32_t *) info->pseudo_palette)[regno] = v;
83 break;
84 case 24:
85 case 32:
86 ((uint32_t *) info->pseudo_palette)[regno] = v;
87 break;
88 }
89 }
90
91 return 0;
92}
93
94static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
95{
96 struct psb_fbdev *fbdev = info->par;
97 struct psb_framebuffer *psbfb = &fbdev->pfb;
98 struct drm_device *dev = psbfb->base.dev;
99
100 /*
101 * We have to poke our nose in here. The core fb code assumes
102 * panning is part of the hardware that can be invoked before
103 * the actual fb is mapped. In our case that isn't quite true.
104 */
105 if (psbfb->gtt->npage) {
106 /* GTT roll shifts in 4K pages, we need to shift the right
107 number of pages */
108 int pages = info->fix.line_length >> 12;
109 psb_gtt_roll(dev, psbfb->gtt, var->yoffset * pages);
110 }
111 return 0;
112}
113
114static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
115{
116 struct psb_framebuffer *psbfb = vma->vm_private_data;
117 struct drm_device *dev = psbfb->base.dev;
118 struct drm_psb_private *dev_priv = dev->dev_private;
119 int page_num;
120 int i;
121 unsigned long address;
122 int ret;
123 unsigned long pfn;
124 unsigned long phys_addr = (unsigned long)dev_priv->stolen_base +
125 psbfb->gtt->offset;
126
127 page_num = vma_pages(vma);
128 address = vmf->address - (vmf->pgoff << PAGE_SHIFT);
129
130 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
131
132 for (i = 0; i < page_num; i++) {
133 pfn = (phys_addr >> PAGE_SHIFT);
134
135 ret = vm_insert_mixed(vma, address,
136 __pfn_to_pfn_t(pfn, PFN_DEV));
137 if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
138 break;
139 else if (unlikely(ret != 0)) {
140 ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
141 return ret;
142 }
143 address += PAGE_SIZE;
144 phys_addr += PAGE_SIZE;
145 }
146 return VM_FAULT_NOPAGE;
147}
148
149static void psbfb_vm_open(struct vm_area_struct *vma)
150{
151}
152
153static void psbfb_vm_close(struct vm_area_struct *vma)
154{
155}
156
157static const struct vm_operations_struct psbfb_vm_ops = {
158 .fault = psbfb_vm_fault,
159 .open = psbfb_vm_open,
160 .close = psbfb_vm_close
161};
162
163static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
164{
165 struct psb_fbdev *fbdev = info->par;
166 struct psb_framebuffer *psbfb = &fbdev->pfb;
167
168 if (vma->vm_pgoff != 0)
169 return -EINVAL;
170 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
171 return -EINVAL;
172
173 if (!psbfb->addr_space)
174 psbfb->addr_space = vma->vm_file->f_mapping;
175 /*
176 * If this is a GEM object then info->screen_base is the virtual
177 * kernel remapping of the object. FIXME: Review if this is
178 * suitable for our mmap work
179 */
180 vma->vm_ops = &psbfb_vm_ops;
181 vma->vm_private_data = (void *)psbfb;
182 vma->vm_flags |= VM_IO | VM_MIXEDMAP | VM_DONTEXPAND | VM_DONTDUMP;
183 return 0;
184}
185
186static struct fb_ops psbfb_ops = {
187 .owner = THIS_MODULE,
188 DRM_FB_HELPER_DEFAULT_OPS,
189 .fb_setcolreg = psbfb_setcolreg,
190 .fb_fillrect = drm_fb_helper_cfb_fillrect,
191 .fb_copyarea = psbfb_copyarea,
192 .fb_imageblit = drm_fb_helper_cfb_imageblit,
193 .fb_mmap = psbfb_mmap,
194 .fb_sync = psbfb_sync,
195};
196
197static struct fb_ops psbfb_roll_ops = {
198 .owner = THIS_MODULE,
199 DRM_FB_HELPER_DEFAULT_OPS,
200 .fb_setcolreg = psbfb_setcolreg,
201 .fb_fillrect = drm_fb_helper_cfb_fillrect,
202 .fb_copyarea = drm_fb_helper_cfb_copyarea,
203 .fb_imageblit = drm_fb_helper_cfb_imageblit,
204 .fb_pan_display = psbfb_pan,
205 .fb_mmap = psbfb_mmap,
206};
207
208static struct fb_ops psbfb_unaccel_ops = {
209 .owner = THIS_MODULE,
210 DRM_FB_HELPER_DEFAULT_OPS,
211 .fb_setcolreg = psbfb_setcolreg,
212 .fb_fillrect = drm_fb_helper_cfb_fillrect,
213 .fb_copyarea = drm_fb_helper_cfb_copyarea,
214 .fb_imageblit = drm_fb_helper_cfb_imageblit,
215 .fb_mmap = psbfb_mmap,
216};
217
218/**
219 * psb_framebuffer_init - initialize a framebuffer
220 * @dev: our DRM device
221 * @fb: framebuffer to set up
222 * @mode_cmd: mode description
223 * @gt: backing object
224 *
225 * Configure and fill in the boilerplate for our frame buffer. Return
226 * 0 on success or an error code if we fail.
227 */
228static int psb_framebuffer_init(struct drm_device *dev,
229 struct psb_framebuffer *fb,
230 const struct drm_mode_fb_cmd2 *mode_cmd,
231 struct gtt_range *gt)
232{
233 const struct drm_format_info *info;
234 int ret;
235
236 /*
237 * Reject unknown formats, YUV formats, and formats with more than
238 * 4 bytes per pixel.
239 */
240 info = drm_format_info(mode_cmd->pixel_format);
241 if (!info || !info->depth || info->cpp[0] > 4)
242 return -EINVAL;
243
244 if (mode_cmd->pitches[0] & 63)
245 return -EINVAL;
246
247 drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
248 fb->gtt = gt;
249 ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
250 if (ret) {
251 dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
252 return ret;
253 }
254 return 0;
255}
256
257/**
258 * psb_framebuffer_create - create a framebuffer backed by gt
259 * @dev: our DRM device
260 * @mode_cmd: the description of the requested mode
261 * @gt: the backing object
262 *
263 * Create a framebuffer object backed by the gt, and fill in the
264 * boilerplate required
265 *
266 * TODO: review object references
267 */
268
269static struct drm_framebuffer *psb_framebuffer_create
270 (struct drm_device *dev,
271 const struct drm_mode_fb_cmd2 *mode_cmd,
272 struct gtt_range *gt)
273{
274 struct psb_framebuffer *fb;
275 int ret;
276
277 fb = kzalloc(sizeof(*fb), GFP_KERNEL);
278 if (!fb)
279 return ERR_PTR(-ENOMEM);
280
281 ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
282 if (ret) {
283 kfree(fb);
284 return ERR_PTR(ret);
285 }
286 return &fb->base;
287}
288
289/**
290 * psbfb_alloc - allocate frame buffer memory
291 * @dev: the DRM device
292 * @aligned_size: space needed
293 *
294 * Allocate the frame buffer. In the usual case we get a GTT range that
295 * is stolen memory backed and life is simple. If there isn't sufficient
296 * we fail as we don't have the virtual mapping space to really vmap it
297 * and the kernel console code can't handle non linear framebuffers.
298 *
299 * Re-address this as and if the framebuffer layer grows this ability.
300 */
301static struct gtt_range *psbfb_alloc(struct drm_device *dev, int aligned_size)
302{
303 struct gtt_range *backing;
304 /* Begin by trying to use stolen memory backing */
305 backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1, PAGE_SIZE);
306 if (backing) {
307 drm_gem_private_object_init(dev, &backing->gem, aligned_size);
308 return backing;
309 }
310 return NULL;
311}
312
313/**
314 * psbfb_create - create a framebuffer
315 * @fbdev: the framebuffer device
316 * @sizes: specification of the layout
317 *
318 * Create a framebuffer to the specifications provided
319 */
320static int psbfb_create(struct psb_fbdev *fbdev,
321 struct drm_fb_helper_surface_size *sizes)
322{
323 struct drm_device *dev = fbdev->psb_fb_helper.dev;
324 struct drm_psb_private *dev_priv = dev->dev_private;
325 struct fb_info *info;
326 struct drm_framebuffer *fb;
327 struct psb_framebuffer *psbfb = &fbdev->pfb;
328 struct drm_mode_fb_cmd2 mode_cmd;
329 int size;
330 int ret;
331 struct gtt_range *backing;
332 u32 bpp, depth;
333 int gtt_roll = 0;
334 int pitch_lines = 0;
335
336 mode_cmd.width = sizes->surface_width;
337 mode_cmd.height = sizes->surface_height;
338 bpp = sizes->surface_bpp;
339 depth = sizes->surface_depth;
340
341 /* No 24bit packed */
342 if (bpp == 24)
343 bpp = 32;
344
345 do {
346 /*
347 * Acceleration via the GTT requires pitch to be
348 * power of two aligned. Preferably page but less
349 * is ok with some fonts
350 */
351 mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096 >> pitch_lines);
352
353 size = mode_cmd.pitches[0] * mode_cmd.height;
354 size = ALIGN(size, PAGE_SIZE);
355
356 /* Allocate the fb in the GTT with stolen page backing */
357 backing = psbfb_alloc(dev, size);
358
359 if (pitch_lines)
360 pitch_lines *= 2;
361 else
362 pitch_lines = 1;
363 gtt_roll++;
364 } while (backing == NULL && pitch_lines <= 16);
365
366 /* The final pitch we accepted if we succeeded */
367 pitch_lines /= 2;
368
369 if (backing == NULL) {
370 /*
371 * We couldn't get the space we wanted, fall back to the
372 * display engine requirement instead. The HW requires
373 * the pitch to be 64 byte aligned
374 */
375
376 gtt_roll = 0; /* Don't use GTT accelerated scrolling */
377 pitch_lines = 64;
378
379 mode_cmd.pitches[0] = ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
380
381 size = mode_cmd.pitches[0] * mode_cmd.height;
382 size = ALIGN(size, PAGE_SIZE);
383
384 /* Allocate the framebuffer in the GTT with stolen page backing */
385 backing = psbfb_alloc(dev, size);
386 if (backing == NULL)
387 return -ENOMEM;
388 }
389
390 memset(dev_priv->vram_addr + backing->offset, 0, size);
391
392 info = drm_fb_helper_alloc_fbi(&fbdev->psb_fb_helper);
393 if (IS_ERR(info)) {
394 ret = PTR_ERR(info);
395 goto err_free_range;
396 }
397 info->par = fbdev;
398
399 mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
400
401 ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
402 if (ret)
403 goto err_release;
404
405 fb = &psbfb->base;
406 psbfb->fbdev = info;
407
408 fbdev->psb_fb_helper.fb = fb;
409
410 drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
411 strcpy(info->fix.id, "psbdrmfb");
412
413 info->flags = FBINFO_DEFAULT;
414 if (dev_priv->ops->accel_2d && pitch_lines > 8) /* 2D engine */
415 info->fbops = &psbfb_ops;
416 else if (gtt_roll) { /* GTT rolling seems best */
417 info->fbops = &psbfb_roll_ops;
418 info->flags |= FBINFO_HWACCEL_YPAN;
419 } else /* Software */
420 info->fbops = &psbfb_unaccel_ops;
421
422 info->fix.smem_start = dev->mode_config.fb_base;
423 info->fix.smem_len = size;
424 info->fix.ywrapstep = gtt_roll;
425 info->fix.ypanstep = 0;
426
427 /* Accessed stolen memory directly */
428 info->screen_base = dev_priv->vram_addr + backing->offset;
429 info->screen_size = size;
430
431 if (dev_priv->gtt.stolen_size) {
432 info->apertures->ranges[0].base = dev->mode_config.fb_base;
433 info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
434 }
435
436 drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
437 sizes->fb_width, sizes->fb_height);
438
439 info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
440 info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
441
442 /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */
443
444 dev_dbg(dev->dev, "allocated %dx%d fb\n",
445 psbfb->base.width, psbfb->base.height);
446
447 return 0;
448err_release:
449 drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
450err_free_range:
451 psb_gtt_free_range(dev, backing);
452 return ret;
453}
454
455/**
456 * psb_user_framebuffer_create - create framebuffer
457 * @dev: our DRM device
458 * @filp: client file
459 * @cmd: mode request
460 *
461 * Create a new framebuffer backed by a userspace GEM object
462 */
463static struct drm_framebuffer *psb_user_framebuffer_create
464 (struct drm_device *dev, struct drm_file *filp,
465 const struct drm_mode_fb_cmd2 *cmd)
466{
467 struct gtt_range *r;
468 struct drm_gem_object *obj;
469
470 /*
471 * Find the GEM object and thus the gtt range object that is
472 * to back this space
473 */
474 obj = drm_gem_object_lookup(filp, cmd->handles[0]);
475 if (obj == NULL)
476 return ERR_PTR(-ENOENT);
477
478 /* Let the core code do all the work */
479 r = container_of(obj, struct gtt_range, gem);
480 return psb_framebuffer_create(dev, cmd, r);
481}
482
483static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
484 u16 blue, int regno)
485{
486 struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
487
488 gma_crtc->lut_r[regno] = red >> 8;
489 gma_crtc->lut_g[regno] = green >> 8;
490 gma_crtc->lut_b[regno] = blue >> 8;
491}
492
493static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
494 u16 *green, u16 *blue, int regno)
495{
496 struct gma_crtc *gma_crtc = to_gma_crtc(crtc);
497
498 *red = gma_crtc->lut_r[regno] << 8;
499 *green = gma_crtc->lut_g[regno] << 8;
500 *blue = gma_crtc->lut_b[regno] << 8;
501}
502
503static int psbfb_probe(struct drm_fb_helper *helper,
504 struct drm_fb_helper_surface_size *sizes)
505{
506 struct psb_fbdev *psb_fbdev =
507 container_of(helper, struct psb_fbdev, psb_fb_helper);
508 struct drm_device *dev = psb_fbdev->psb_fb_helper.dev;
509 struct drm_psb_private *dev_priv = dev->dev_private;
510 int bytespp;
511
512 bytespp = sizes->surface_bpp / 8;
513 if (bytespp == 3) /* no 24bit packed */
514 bytespp = 4;
515
516 /* If the mode will not fit in 32bit then switch to 16bit to get
517 a console on full resolution. The X mode setting server will
518 allocate its own 32bit GEM framebuffer */
519 if (ALIGN(sizes->fb_width * bytespp, 64) * sizes->fb_height >
520 dev_priv->vram_stolen_size) {
521 sizes->surface_bpp = 16;
522 sizes->surface_depth = 16;
523 }
524
525 return psbfb_create(psb_fbdev, sizes);
526}
527
528static const struct drm_fb_helper_funcs psb_fb_helper_funcs = {
529 .gamma_set = psbfb_gamma_set,
530 .gamma_get = psbfb_gamma_get,
531 .fb_probe = psbfb_probe,
532};
533
534static int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
535{
536 struct psb_framebuffer *psbfb = &fbdev->pfb;
537
538 drm_fb_helper_unregister_fbi(&fbdev->psb_fb_helper);
539 drm_fb_helper_release_fbi(&fbdev->psb_fb_helper);
540
541 drm_fb_helper_fini(&fbdev->psb_fb_helper);
542 drm_framebuffer_unregister_private(&psbfb->base);
543 drm_framebuffer_cleanup(&psbfb->base);
544
545 if (psbfb->gtt)
546 drm_gem_object_unreference_unlocked(&psbfb->gtt->gem);
547 return 0;
548}
549
550int psb_fbdev_init(struct drm_device *dev)
551{
552 struct psb_fbdev *fbdev;
553 struct drm_psb_private *dev_priv = dev->dev_private;
554 int ret;
555
556 fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
557 if (!fbdev) {
558 dev_err(dev->dev, "no memory\n");
559 return -ENOMEM;
560 }
561
562 dev_priv->fbdev = fbdev;
563
564 drm_fb_helper_prepare(dev, &fbdev->psb_fb_helper, &psb_fb_helper_funcs);
565
566 ret = drm_fb_helper_init(dev, &fbdev->psb_fb_helper,
567 dev_priv->ops->crtcs, INTELFB_CONN_LIMIT);
568 if (ret)
569 goto free;
570
571 ret = drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
572 if (ret)
573 goto fini;
574
575 /* disable all the possible outputs/crtcs before entering KMS mode */
576 drm_helper_disable_unused_functions(dev);
577
578 ret = drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
579 if (ret)
580 goto fini;
581
582 return 0;
583
584fini:
585 drm_fb_helper_fini(&fbdev->psb_fb_helper);
586free:
587 kfree(fbdev);
588 return ret;
589}
590
591static void psb_fbdev_fini(struct drm_device *dev)
592{
593 struct drm_psb_private *dev_priv = dev->dev_private;
594
595 if (!dev_priv->fbdev)
596 return;
597
598 psb_fbdev_destroy(dev, dev_priv->fbdev);
599 kfree(dev_priv->fbdev);
600 dev_priv->fbdev = NULL;
601}
602
603static void psbfb_output_poll_changed(struct drm_device *dev)
604{
605 struct drm_psb_private *dev_priv = dev->dev_private;
606 struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
607 drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
608}
609
610/**
611 * psb_user_framebuffer_create_handle - add hamdle to a framebuffer
612 * @fb: framebuffer
613 * @file_priv: our DRM file
614 * @handle: returned handle
615 *
616 * Our framebuffer object is a GTT range which also contains a GEM
617 * object. We need to turn it into a handle for userspace. GEM will do
618 * the work for us
619 */
620static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
621 struct drm_file *file_priv,
622 unsigned int *handle)
623{
624 struct psb_framebuffer *psbfb = to_psb_fb(fb);
625 struct gtt_range *r = psbfb->gtt;
626 return drm_gem_handle_create(file_priv, &r->gem, handle);
627}
628
629/**
630 * psb_user_framebuffer_destroy - destruct user created fb
631 * @fb: framebuffer
632 *
633 * User framebuffers are backed by GEM objects so all we have to do is
634 * clean up a bit and drop the reference, GEM will handle the fallout
635 */
636static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
637{
638 struct psb_framebuffer *psbfb = to_psb_fb(fb);
639 struct gtt_range *r = psbfb->gtt;
640
641 /* Let DRM do its clean up */
642 drm_framebuffer_cleanup(fb);
643 /* We are no longer using the resource in GEM */
644 drm_gem_object_unreference_unlocked(&r->gem);
645 kfree(fb);
646}
647
648static const struct drm_mode_config_funcs psb_mode_funcs = {
649 .fb_create = psb_user_framebuffer_create,
650 .output_poll_changed = psbfb_output_poll_changed,
651};
652
653static void psb_setup_outputs(struct drm_device *dev)
654{
655 struct drm_psb_private *dev_priv = dev->dev_private;
656 struct drm_connector *connector;
657
658 drm_mode_create_scaling_mode_property(dev);
659
660 /* It is ok for this to fail - we just don't get backlight control */
661 if (!dev_priv->backlight_property)
662 dev_priv->backlight_property = drm_property_create_range(dev, 0,
663 "backlight", 0, 100);
664 dev_priv->ops->output_init(dev);
665
666 list_for_each_entry(connector, &dev->mode_config.connector_list,
667 head) {
668 struct gma_encoder *gma_encoder = gma_attached_encoder(connector);
669 struct drm_encoder *encoder = &gma_encoder->base;
670 int crtc_mask = 0, clone_mask = 0;
671
672 /* valid crtcs */
673 switch (gma_encoder->type) {
674 case INTEL_OUTPUT_ANALOG:
675 crtc_mask = (1 << 0);
676 clone_mask = (1 << INTEL_OUTPUT_ANALOG);
677 break;
678 case INTEL_OUTPUT_SDVO:
679 crtc_mask = dev_priv->ops->sdvo_mask;
680 clone_mask = (1 << INTEL_OUTPUT_SDVO);
681 break;
682 case INTEL_OUTPUT_LVDS:
683 crtc_mask = dev_priv->ops->lvds_mask;
684 clone_mask = (1 << INTEL_OUTPUT_LVDS);
685 break;
686 case INTEL_OUTPUT_MIPI:
687 crtc_mask = (1 << 0);
688 clone_mask = (1 << INTEL_OUTPUT_MIPI);
689 break;
690 case INTEL_OUTPUT_MIPI2:
691 crtc_mask = (1 << 2);
692 clone_mask = (1 << INTEL_OUTPUT_MIPI2);
693 break;
694 case INTEL_OUTPUT_HDMI:
695 crtc_mask = dev_priv->ops->hdmi_mask;
696 clone_mask = (1 << INTEL_OUTPUT_HDMI);
697 break;
698 case INTEL_OUTPUT_DISPLAYPORT:
699 crtc_mask = (1 << 0) | (1 << 1);
700 clone_mask = (1 << INTEL_OUTPUT_DISPLAYPORT);
701 break;
702 case INTEL_OUTPUT_EDP:
703 crtc_mask = (1 << 1);
704 clone_mask = (1 << INTEL_OUTPUT_EDP);
705 }
706 encoder->possible_crtcs = crtc_mask;
707 encoder->possible_clones =
708 gma_connector_clones(dev, clone_mask);
709 }
710}
711
712void psb_modeset_init(struct drm_device *dev)
713{
714 struct drm_psb_private *dev_priv = dev->dev_private;
715 struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
716 int i;
717
718 drm_mode_config_init(dev);
719
720 dev->mode_config.min_width = 0;
721 dev->mode_config.min_height = 0;
722
723 dev->mode_config.funcs = &psb_mode_funcs;
724
725 /* set memory base */
726 /* Oaktrail and Poulsbo should use BAR 2*/
727 pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
728 &(dev->mode_config.fb_base));
729
730 /* num pipes is 2 for PSB but 1 for Mrst */
731 for (i = 0; i < dev_priv->num_pipe; i++)
732 psb_intel_crtc_init(dev, i, mode_dev);
733
734 dev->mode_config.max_width = 4096;
735 dev->mode_config.max_height = 4096;
736
737 psb_setup_outputs(dev);
738
739 if (dev_priv->ops->errata)
740 dev_priv->ops->errata(dev);
741
742 dev_priv->modeset = true;
743}
744
745void psb_modeset_cleanup(struct drm_device *dev)
746{
747 struct drm_psb_private *dev_priv = dev->dev_private;
748 if (dev_priv->modeset) {
749 drm_kms_helper_poll_fini(dev);
750 psb_fbdev_fini(dev);
751 drm_mode_config_cleanup(dev);
752 }
753}