2 * Copyright © 2007 David Airlie
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
26 * $FreeBSD: head/sys/dev/drm2/radeon/radeon_fb.c 254885 2013-08-25 19:37:15Z dumbbell $
30 #include <drm/drm_crtc.h>
31 #include <drm/drm_crtc_helper.h>
32 #include <uapi_drm/radeon_drm.h>
35 #include <drm/drm_fb_helper.h>
38 this contains a helper + a radeon fb
39 the helper contains a pointer to radeon framebuffer baseclass.
42 struct drm_fb_helper helper
;
43 struct radeon_framebuffer rfb
;
44 struct list_head fbdev_list
;
45 struct radeon_device
*rdev
;
49 static struct fb_ops radeonfb_ops
= {
51 .fb_check_var
= drm_fb_helper_check_var
,
52 .fb_set_par
= drm_fb_helper_set_par
,
53 .fb_fillrect
= cfb_fillrect
,
54 .fb_copyarea
= cfb_copyarea
,
55 .fb_imageblit
= cfb_imageblit
,
56 .fb_pan_display
= drm_fb_helper_pan_display
,
57 .fb_blank
= drm_fb_helper_blank
,
58 .fb_setcmap
= drm_fb_helper_setcmap
,
59 .fb_debug_enter
= drm_fb_helper_debug_enter
,
60 .fb_debug_leave
= drm_fb_helper_debug_leave
,
62 #endif /* DUMBBELL_WIP */
65 int radeon_align_pitch(struct radeon_device
*rdev
, int width
, int bpp
, bool tiled
)
68 int align_large
= (ASIC_IS_AVIVO(rdev
)) || tiled
;
73 pitch_mask
= align_large
? 255 : 127;
76 pitch_mask
= align_large
? 127 : 31;
80 pitch_mask
= align_large
? 63 : 15;
84 aligned
+= pitch_mask
;
85 aligned
&= ~pitch_mask
;
89 static void radeonfb_destroy_pinned_object(struct drm_gem_object
*gobj
)
91 struct radeon_bo
*rbo
= gem_to_radeon_bo(gobj
);
94 ret
= radeon_bo_reserve(rbo
, false);
95 if (likely(ret
== 0)) {
96 radeon_bo_kunmap(rbo
);
98 radeon_bo_unreserve(rbo
);
100 drm_gem_object_unreference_unlocked(gobj
);
103 static int radeonfb_create_pinned_object(struct radeon_fbdev
*rfbdev
,
104 struct drm_mode_fb_cmd2
*mode_cmd
,
105 struct drm_gem_object
**gobj_p
)
107 struct radeon_device
*rdev
= rfbdev
->rdev
;
108 struct drm_gem_object
*gobj
= NULL
;
109 struct radeon_bo
*rbo
= NULL
;
110 bool fb_tiled
= false; /* useful for testing */
111 u32 tiling_flags
= 0;
113 int aligned_size
, size
;
114 int height
= mode_cmd
->height
;
117 drm_fb_get_bpp_depth(mode_cmd
->pixel_format
, &depth
, &bpp
);
119 /* need to align pitch with crtc limits */
120 mode_cmd
->pitches
[0] = radeon_align_pitch(rdev
, mode_cmd
->width
, bpp
,
121 fb_tiled
) * ((bpp
+ 1) / 8);
123 if (rdev
->family
>= CHIP_R600
)
124 height
= ALIGN(mode_cmd
->height
, 8);
125 size
= mode_cmd
->pitches
[0] * height
;
126 aligned_size
= ALIGN(size
, PAGE_SIZE
);
127 ret
= radeon_gem_object_create(rdev
, aligned_size
, 0,
128 RADEON_GEM_DOMAIN_VRAM
,
131 printk(KERN_ERR
"failed to allocate framebuffer (%d)\n",
135 rbo
= gem_to_radeon_bo(gobj
);
138 tiling_flags
= RADEON_TILING_MACRO
;
143 tiling_flags
|= RADEON_TILING_SWAP_32BIT
;
146 tiling_flags
|= RADEON_TILING_SWAP_16BIT
;
153 ret
= radeon_bo_set_tiling_flags(rbo
,
154 tiling_flags
| RADEON_TILING_SURFACE
,
155 mode_cmd
->pitches
[0]);
157 dev_err(rdev
->dev
, "FB failed to set tiling flags\n");
161 ret
= radeon_bo_reserve(rbo
, false);
162 if (unlikely(ret
!= 0))
164 /* Only 27 bit offset for legacy CRTC */
165 ret
= radeon_bo_pin_restricted(rbo
, RADEON_GEM_DOMAIN_VRAM
,
166 ASIC_IS_AVIVO(rdev
) ? 0 : 1 << 27,
169 radeon_bo_unreserve(rbo
);
173 radeon_bo_check_tiling(rbo
, 0, 0);
174 ret
= radeon_bo_kmap(rbo
, NULL
);
175 radeon_bo_unreserve(rbo
);
183 radeonfb_destroy_pinned_object(gobj
);
188 static int radeonfb_create(struct drm_fb_helper
*helper
,
189 struct drm_fb_helper_surface_size
*sizes
)
191 struct radeon_fbdev
*rfbdev
=
192 container_of(helper
, struct radeon_fbdev
, helper
);
193 struct radeon_device
*rdev
= rfbdev
->rdev
;
194 struct fb_info
*info
;
195 struct drm_framebuffer
*fb
= NULL
;
196 struct drm_mode_fb_cmd2 mode_cmd
;
197 struct drm_gem_object
*gobj
= NULL
;
198 struct radeon_bo
*rbo
= NULL
;
200 device_t device
= rdev
->dev
;
201 #endif /* DUMBBELL_WIP */
202 device_t vga_dev
= device_get_parent(rdev
->dev
->bsddev
);
206 mode_cmd
.width
= sizes
->surface_width
;
207 mode_cmd
.height
= sizes
->surface_height
;
209 /* avivo can't scanout real 24bpp */
210 if ((sizes
->surface_bpp
== 24) && ASIC_IS_AVIVO(rdev
))
211 sizes
->surface_bpp
= 32;
213 mode_cmd
.pixel_format
= drm_mode_legacy_fb_format(sizes
->surface_bpp
,
214 sizes
->surface_depth
);
216 ret
= radeonfb_create_pinned_object(rfbdev
, &mode_cmd
, &gobj
);
218 DRM_ERROR("failed to create fbcon object %d\n", ret
);
222 rbo
= gem_to_radeon_bo(gobj
);
224 /* XXX let it leak in M_TEMP */
225 info
= kmalloc(sizeof(*info
), M_TEMP
, M_WAITOK
| M_ZERO
);
227 ret
= radeon_framebuffer_init(rdev
->ddev
, &rfbdev
->rfb
, &mode_cmd
, gobj
);
229 DRM_ERROR("failed to initialize framebuffer %d\n", ret
);
233 fb
= &rfbdev
->rfb
.base
;
236 rfbdev
->helper
.fb
= fb
;
237 rfbdev
->helper
.fbdev
= info
;
239 memset(rbo
->kptr
, 0, radeon_bo_size(rbo
));
240 tmp
= radeon_bo_gpu_offset(rbo
) - rdev
->mc
.vram_start
;
241 info
->vaddr
= (vm_offset_t
)rbo
->kptr
;
242 info
->paddr
= rdev
->mc
.aper_base
+ tmp
;
243 info
->width
= sizes
->surface_width
;
244 info
->height
= sizes
->surface_height
;
245 info
->stride
= fb
->pitches
[0];
246 info
->depth
= sizes
->surface_bpp
;
247 info
->is_vga_boot_display
= vga_pci_is_boot_display(vga_dev
);
249 DRM_INFO("fb mappable at 0x%jX\n", info
->paddr
);
250 DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev
->mc
.aper_base
);
251 DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo
));
252 DRM_INFO("fb depth is %d\n", fb
->depth
);
253 DRM_INFO(" pitch is %d\n", fb
->pitches
[0]);
261 drm_gem_object_unreference(gobj
);
262 drm_framebuffer_unregister_private(fb
);
263 drm_framebuffer_cleanup(fb
);
264 kfree(fb
); /* XXX malloc'd in radeon_user_framebuffer_create? */
269 void radeon_fb_output_poll_changed(struct radeon_device
*rdev
)
271 drm_fb_helper_hotplug_event(&rdev
->mode_info
.rfbdev
->helper
);
274 static int radeon_fbdev_destroy(struct drm_device
*dev
, struct radeon_fbdev
*rfbdev
)
276 /* XXX unconfigure fb_info from syscons */
278 struct fb_info
*info
;
279 #endif /* DUMBBELL_WIP */
280 struct radeon_framebuffer
*rfb
= &rfbdev
->rfb
;
283 if (rfbdev
->helper
.fbdev
) {
284 info
= rfbdev
->helper
.fbdev
;
286 unregister_framebuffer(info
);
288 fb_dealloc_cmap(&info
->cmap
);
289 framebuffer_release(info
);
291 #endif /* DUMBBELL_WIP */
294 DRM_UNLOCK(dev
); /* Work around lock recursion. dumbbell@ */
295 radeonfb_destroy_pinned_object(rfb
->obj
);
299 drm_fb_helper_fini(&rfbdev
->helper
);
300 drm_framebuffer_unregister_private(&rfb
->base
);
301 drm_framebuffer_cleanup(&rfb
->base
);
306 static const struct drm_fb_helper_funcs radeon_fb_helper_funcs
= {
307 .gamma_set
= radeon_crtc_fb_gamma_set
,
308 .gamma_get
= radeon_crtc_fb_gamma_get
,
309 .fb_probe
= radeonfb_create
,
312 int radeon_fbdev_init(struct radeon_device
*rdev
)
314 struct radeon_fbdev
*rfbdev
;
318 /* select 8 bpp console on RN50 or 16MB cards */
319 if (ASIC_IS_RN50(rdev
) || rdev
->mc
.real_vram_size
<= (32*1024*1024))
322 rfbdev
= kzalloc(sizeof(struct radeon_fbdev
), GFP_KERNEL
);
327 rdev
->mode_info
.rfbdev
= rfbdev
;
329 drm_fb_helper_prepare(rdev
->ddev
, &rfbdev
->helper
,
330 &radeon_fb_helper_funcs
);
332 ret
= drm_fb_helper_init(rdev
->ddev
, &rfbdev
->helper
,
334 RADEONFB_CONN_LIMIT
);
340 drm_fb_helper_single_add_all_connectors(&rfbdev
->helper
);
342 /* disable all the possible outputs/crtcs before entering KMS mode */
343 drm_helper_disable_unused_functions(rdev
->ddev
);
345 drm_fb_helper_initial_config(&rfbdev
->helper
, bpp_sel
);
349 void radeon_fbdev_fini(struct radeon_device
*rdev
)
351 if (!rdev
->mode_info
.rfbdev
)
354 radeon_fbdev_destroy(rdev
->ddev
, rdev
->mode_info
.rfbdev
);
355 kfree(rdev
->mode_info
.rfbdev
);
356 rdev
->mode_info
.rfbdev
= NULL
;
359 void radeon_fbdev_set_suspend(struct radeon_device
*rdev
, int state
)
362 fb_set_suspend(rdev
->mode_info
.rfbdev
->helper
.fbdev
, state
);
363 #endif /* DUMBBELL_WIP */
366 bool radeon_fbdev_robj_is_fb(struct radeon_device
*rdev
, struct radeon_bo
*robj
)
368 if (robj
== gem_to_radeon_bo(rdev
->mode_info
.rfbdev
->rfb
.obj
))