Rev 6938 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1126 | serge | 1 | /* |
2 | * Copyright © 2007 David Airlie |
||
3 | * |
||
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: |
||
10 | * |
||
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 |
||
13 | * Software. |
||
14 | * |
||
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. |
||
22 | * |
||
23 | * Authors: |
||
24 | * David Airlie |
||
25 | */ |
||
1179 | serge | 26 | #include |
1986 | serge | 27 | #include |
1179 | serge | 28 | #include |
1126 | serge | 29 | |
2997 | Serge | 30 | #include |
31 | #include |
||
32 | #include |
||
33 | #include |
||
1126 | serge | 34 | #include "radeon.h" |
35 | |||
2997 | Serge | 36 | #include |
1179 | serge | 37 | |
5078 | serge | 38 | struct drm_framebuffer *main_fb; |
39 | struct drm_gem_object *main_fb_obj; |
||
1126 | serge | 40 | |
1963 | serge | 41 | /* object hierarchy - |
7146 | serge | 42 | * this contains a helper + a radeon fb |
43 | * the helper contains a pointer to radeon framebuffer baseclass. |
||
44 | */ |
||
1963 | serge | 45 | struct radeon_fbdev { |
6104 | serge | 46 | struct drm_fb_helper helper; |
1963 | serge | 47 | struct radeon_framebuffer rfb; |
6104 | serge | 48 | struct radeon_device *rdev; |
1126 | serge | 49 | }; |
50 | |||
51 | static struct fb_ops radeonfb_ops = { |
||
2997 | Serge | 52 | .owner = THIS_MODULE, |
1179 | serge | 53 | .fb_check_var = drm_fb_helper_check_var, |
54 | .fb_set_par = drm_fb_helper_set_par, |
||
55 | // .fb_fillrect = cfb_fillrect, |
||
56 | // .fb_copyarea = cfb_copyarea, |
||
57 | // .fb_imageblit = cfb_imageblit, |
||
58 | // .fb_pan_display = drm_fb_helper_pan_display, |
||
59 | .fb_blank = drm_fb_helper_blank, |
||
1221 | serge | 60 | .fb_setcmap = drm_fb_helper_setcmap, |
1126 | serge | 61 | }; |
62 | |||
63 | |||
1233 | serge | 64 | int radeon_align_pitch(struct radeon_device *rdev, int width, int bpp, bool tiled) |
1126 | serge | 65 | { |
66 | int aligned = width; |
||
1179 | serge | 67 | int align_large = (ASIC_IS_AVIVO(rdev)) || tiled; |
1126 | serge | 68 | int pitch_mask = 0; |
69 | |||
70 | switch (bpp / 8) { |
||
71 | case 1: |
||
72 | pitch_mask = align_large ? 255 : 127; |
||
73 | break; |
||
74 | case 2: |
||
75 | pitch_mask = align_large ? 127 : 31; |
||
76 | break; |
||
77 | case 3: |
||
78 | case 4: |
||
79 | pitch_mask = align_large ? 63 : 15; |
||
80 | break; |
||
81 | } |
||
82 | |||
83 | aligned += pitch_mask; |
||
84 | aligned &= ~pitch_mask; |
||
85 | return aligned; |
||
86 | } |
||
87 | |||
5078 | serge | 88 | static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj) |
89 | { |
||
90 | struct radeon_bo *rbo = gem_to_radeon_bo(gobj); |
||
91 | int ret; |
||
1179 | serge | 92 | |
5078 | serge | 93 | ret = radeon_bo_reserve(rbo, false); |
94 | if (likely(ret == 0)) { |
||
95 | radeon_bo_kunmap(rbo); |
||
96 | radeon_bo_unpin(rbo); |
||
97 | radeon_bo_unreserve(rbo); |
||
98 | } |
||
99 | drm_gem_object_unreference_unlocked(gobj); |
||
100 | } |
||
101 | |||
102 | static int radeonfb_create_pinned_object(struct radeon_fbdev *rfbdev, |
||
6104 | serge | 103 | struct drm_mode_fb_cmd2 *mode_cmd, |
104 | struct drm_gem_object **gobj_p) |
||
5078 | serge | 105 | { |
6104 | serge | 106 | struct radeon_device *rdev = rfbdev->rdev; |
107 | struct drm_gem_object *gobj = NULL; |
||
108 | struct radeon_bo *rbo = NULL; |
||
109 | bool fb_tiled = false; /* useful for testing */ |
||
110 | u32 tiling_flags = 0; |
||
111 | int ret; |
||
112 | int aligned_size, size; |
||
113 | int height = mode_cmd->height; |
||
114 | u32 bpp, depth; |
||
5078 | serge | 115 | |
6104 | serge | 116 | drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp); |
5078 | serge | 117 | |
6104 | serge | 118 | /* need to align pitch with crtc limits */ |
119 | mode_cmd->pitches[0] = radeon_align_pitch(rdev, mode_cmd->width, bpp, |
||
120 | fb_tiled) * ((bpp + 1) / 8); |
||
5078 | serge | 121 | |
6104 | serge | 122 | if (rdev->family >= CHIP_R600) |
123 | height = ALIGN(mode_cmd->height, 8); |
||
124 | size = mode_cmd->pitches[0] * height; |
||
125 | aligned_size = ALIGN(size, PAGE_SIZE); |
||
5078 | serge | 126 | |
127 | rbo = rdev->stollen_vga_memory; |
||
128 | gobj = &rbo->gem_base; |
||
129 | mutex_lock(&rdev->gem.mutex); |
||
130 | list_add_tail(&rbo->list, &rdev->gem.objects); |
||
131 | mutex_unlock(&rdev->gem.mutex); |
||
132 | |||
6104 | serge | 133 | rbo = gem_to_radeon_bo(gobj); |
5078 | serge | 134 | |
6104 | serge | 135 | if (fb_tiled) |
136 | tiling_flags = RADEON_TILING_MACRO; |
||
5078 | serge | 137 | |
138 | #ifdef __BIG_ENDIAN |
||
139 | switch (bpp) { |
||
140 | case 32: |
||
141 | tiling_flags |= RADEON_TILING_SWAP_32BIT; |
||
142 | break; |
||
143 | case 16: |
||
144 | tiling_flags |= RADEON_TILING_SWAP_16BIT; |
||
145 | default: |
||
146 | break; |
||
147 | } |
||
148 | #endif |
||
149 | |||
150 | // if (tiling_flags) { |
||
151 | // ret = radeon_bo_set_tiling_flags(rbo, |
||
152 | // tiling_flags | RADEON_TILING_SURFACE, |
||
153 | // mode_cmd->pitches[0]); |
||
154 | // if (ret) |
||
155 | // dev_err(rdev->dev, "FB failed to set tiling flags\n"); |
||
156 | // } |
||
157 | |||
158 | |||
159 | ret = radeon_bo_reserve(rbo, false); |
||
160 | if (unlikely(ret != 0)) |
||
161 | goto out_unref; |
||
162 | /* Only 27 bit offset for legacy CRTC */ |
||
163 | ret = radeon_bo_pin_restricted(rbo, RADEON_GEM_DOMAIN_VRAM, |
||
164 | ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27, |
||
165 | NULL); |
||
166 | if (ret) { |
||
167 | radeon_bo_unreserve(rbo); |
||
168 | goto out_unref; |
||
169 | } |
||
170 | radeon_bo_unreserve(rbo); |
||
171 | if (ret) { |
||
172 | goto out_unref; |
||
173 | } |
||
174 | |||
6104 | serge | 175 | *gobj_p = gobj; |
176 | return 0; |
||
5078 | serge | 177 | out_unref: |
178 | radeonfb_destroy_pinned_object(gobj); |
||
179 | *gobj_p = NULL; |
||
180 | return ret; |
||
181 | } |
||
182 | |||
183 | static int radeonfb_create(struct drm_fb_helper *helper, |
||
1963 | serge | 184 | struct drm_fb_helper_surface_size *sizes) |
185 | { |
||
5271 | serge | 186 | struct radeon_fbdev *rfbdev = |
187 | container_of(helper, struct radeon_fbdev, helper); |
||
1963 | serge | 188 | struct radeon_device *rdev = rfbdev->rdev; |
189 | struct fb_info *info; |
||
190 | struct drm_framebuffer *fb = NULL; |
||
2997 | Serge | 191 | struct drm_mode_fb_cmd2 mode_cmd; |
1963 | serge | 192 | struct drm_gem_object *gobj = NULL; |
193 | struct radeon_bo *rbo = NULL; |
||
194 | int ret; |
||
195 | unsigned long tmp; |
||
1126 | serge | 196 | |
1963 | serge | 197 | mode_cmd.width = sizes->surface_width; |
198 | mode_cmd.height = sizes->surface_height; |
||
199 | |||
200 | /* avivo can't scanout real 24bpp */ |
||
201 | if ((sizes->surface_bpp == 24) && ASIC_IS_AVIVO(rdev)) |
||
202 | sizes->surface_bpp = 32; |
||
203 | |||
2997 | Serge | 204 | mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, |
205 | sizes->surface_depth); |
||
1963 | serge | 206 | |
2997 | Serge | 207 | ret = radeonfb_create_pinned_object(rfbdev, &mode_cmd, &gobj); |
208 | if (ret) { |
||
209 | DRM_ERROR("failed to create fbcon object %d\n", ret); |
||
210 | return ret; |
||
211 | } |
||
212 | |||
1986 | serge | 213 | rbo = gem_to_radeon_bo(gobj); |
1963 | serge | 214 | |
215 | /* okay we have an object now allocate the framebuffer */ |
||
6104 | serge | 216 | info = drm_fb_helper_alloc_fbi(helper); |
217 | if (IS_ERR(info)) { |
||
218 | ret = PTR_ERR(info); |
||
1126 | serge | 219 | goto out_unref; |
220 | } |
||
1179 | serge | 221 | |
1963 | serge | 222 | info->par = rfbdev; |
6104 | serge | 223 | info->skip_vt_switch = true; |
1126 | serge | 224 | |
2997 | Serge | 225 | ret = radeon_framebuffer_init(rdev->ddev, &rfbdev->rfb, &mode_cmd, gobj); |
226 | if (ret) { |
||
5078 | serge | 227 | DRM_ERROR("failed to initialize framebuffer %d\n", ret); |
6104 | serge | 228 | goto out_destroy_fbi; |
2997 | Serge | 229 | } |
1963 | serge | 230 | |
231 | fb = &rfbdev->rfb.base; |
||
232 | |||
233 | /* setup helper */ |
||
234 | rfbdev->helper.fb = fb; |
||
235 | |||
236 | // memset_io(rbo->kptr, 0x0, radeon_bo_size(rbo)); |
||
237 | |||
1179 | serge | 238 | strcpy(info->fix.id, "radeondrmfb"); |
1126 | serge | 239 | |
2997 | Serge | 240 | drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); |
1179 | serge | 241 | |
1963 | serge | 242 | info->flags = FBINFO_DEFAULT | FBINFO_CAN_FORCE_OUTPUT; |
1179 | serge | 243 | info->fbops = &radeonfb_ops; |
244 | |||
1963 | serge | 245 | tmp = radeon_bo_gpu_offset(rbo) - rdev->mc.vram_start; |
1126 | serge | 246 | info->fix.smem_start = rdev->mc.aper_base + tmp; |
1963 | serge | 247 | info->fix.smem_len = radeon_bo_size(rbo); |
248 | info->screen_base = rbo->kptr; |
||
249 | info->screen_size = radeon_bo_size(rbo); |
||
1179 | serge | 250 | |
1963 | serge | 251 | drm_fb_helper_fill_var(info, &rfbdev->helper, sizes->fb_width, sizes->fb_height); |
1179 | serge | 252 | |
253 | /* setup aperture base/size for vesafb takeover */ |
||
1963 | serge | 254 | info->apertures->ranges[0].base = rdev->ddev->mode_config.fb_base; |
255 | info->apertures->ranges[0].size = rdev->mc.aper_size; |
||
1179 | serge | 256 | |
2997 | Serge | 257 | /* Use default scratch pixmap (info->pixmap.flags = FB_PIXMAP_SYSTEM) */ |
1963 | serge | 258 | |
5078 | serge | 259 | |
1126 | serge | 260 | DRM_INFO("fb mappable at 0x%lX\n", info->fix.smem_start); |
261 | DRM_INFO("vram apper at 0x%lX\n", (unsigned long)rdev->mc.aper_base); |
||
1963 | serge | 262 | DRM_INFO("size %lu\n", (unsigned long)radeon_bo_size(rbo)); |
1126 | serge | 263 | DRM_INFO("fb depth is %d\n", fb->depth); |
2997 | Serge | 264 | DRM_INFO(" pitch is %d\n", fb->pitches[0]); |
1126 | serge | 265 | |
5078 | serge | 266 | main_fb = fb; |
267 | main_fb_obj = gobj; |
||
1986 | serge | 268 | |
6104 | serge | 269 | return 0; |
1126 | serge | 270 | |
6104 | serge | 271 | out_destroy_fbi: |
272 | // drm_fb_helper_release_fbi(helper); |
||
1126 | serge | 273 | out_unref: |
1404 | serge | 274 | if (rbo) { |
1963 | serge | 275 | |
1126 | serge | 276 | } |
277 | if (fb && ret) { |
||
278 | kfree(fb); |
||
279 | } |
||
280 | return ret; |
||
281 | } |
||
282 | |||
1963 | serge | 283 | |
284 | static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfbdev) |
||
285 | { |
||
286 | struct radeon_framebuffer *rfb = &rfbdev->rfb; |
||
287 | |||
6104 | serge | 288 | // drm_fb_helper_unregister_fbi(&rfbdev->helper); |
289 | // drm_fb_helper_release_fbi(&rfbdev->helper); |
||
1963 | serge | 290 | |
291 | if (rfb->obj) { |
||
292 | rfb->obj = NULL; |
||
293 | } |
||
294 | // drm_fb_helper_fini(&rfbdev->helper); |
||
295 | drm_framebuffer_cleanup(&rfb->base); |
||
296 | |||
297 | return 0; |
||
298 | } |
||
299 | |||
5078 | serge | 300 | static const struct drm_fb_helper_funcs radeon_fb_helper_funcs = { |
1963 | serge | 301 | .gamma_set = radeon_crtc_fb_gamma_set, |
302 | .gamma_get = radeon_crtc_fb_gamma_get, |
||
5078 | serge | 303 | .fb_probe = radeonfb_create, |
1963 | serge | 304 | }; |
305 | |||
306 | int radeon_fbdev_init(struct radeon_device *rdev) |
||
307 | { |
||
308 | struct radeon_fbdev *rfbdev; |
||
1404 | serge | 309 | int bpp_sel = 32; |
1963 | serge | 310 | int ret; |
1404 | serge | 311 | |
7146 | serge | 312 | /* don't enable fbdev if no connectors */ |
313 | if (list_empty(&rdev->ddev->mode_config.connector_list)) |
||
314 | return 0; |
||
315 | |||
1404 | serge | 316 | /* select 8 bpp console on RN50 or 16MB cards */ |
317 | if (ASIC_IS_RN50(rdev) || rdev->mc.real_vram_size <= (32*1024*1024)) |
||
318 | bpp_sel = 8; |
||
319 | |||
1963 | serge | 320 | rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL); |
321 | if (!rfbdev) |
||
322 | return -ENOMEM; |
||
1126 | serge | 323 | |
1963 | serge | 324 | rfbdev->rdev = rdev; |
325 | rdev->mode_info.rfbdev = rfbdev; |
||
1126 | serge | 326 | |
5078 | serge | 327 | drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper, |
328 | &radeon_fb_helper_funcs); |
||
329 | |||
1963 | serge | 330 | ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper, |
331 | rdev->num_crtc, |
||
332 | RADEONFB_CONN_LIMIT); |
||
6104 | serge | 333 | if (ret) |
334 | goto free; |
||
1126 | serge | 335 | |
6104 | serge | 336 | ret = drm_fb_helper_single_add_all_connectors(&rfbdev->helper); |
337 | if (ret) |
||
338 | goto fini; |
||
1179 | serge | 339 | |
5078 | serge | 340 | /* disable all the possible outputs/crtcs before entering KMS mode */ |
341 | drm_helper_disable_unused_functions(rdev->ddev); |
||
1986 | serge | 342 | |
6104 | serge | 343 | ret = drm_fb_helper_initial_config(&rfbdev->helper, bpp_sel); |
344 | if (ret) |
||
345 | goto fini; |
||
1963 | serge | 346 | |
1126 | serge | 347 | return 0; |
6104 | serge | 348 | |
349 | fini: |
||
350 | // drm_fb_helper_fini(&rfbdev->helper); |
||
351 | free: |
||
352 | kfree(rfbdev); |
||
353 | return ret; |
||
1126 | serge | 354 | } |
1963 | serge | 355 | |
356 | void radeon_fbdev_fini(struct radeon_device *rdev) |
||
357 | { |
||
358 | if (!rdev->mode_info.rfbdev) |
||
359 | return; |
||
360 | |||
361 | radeon_fbdev_destroy(rdev->ddev, rdev->mode_info.rfbdev); |
||
362 | kfree(rdev->mode_info.rfbdev); |
||
363 | rdev->mode_info.rfbdev = NULL; |
||
364 | } |
||
365 | |||
366 | bool radeon_fbdev_robj_is_fb(struct radeon_device *rdev, struct radeon_bo *robj) |
||
367 | { |
||
1986 | serge | 368 | if (robj == gem_to_radeon_bo(rdev->mode_info.rfbdev->rfb.obj)) |
1963 | serge | 369 | return true; |
370 | return false; |
||
371 | } |
||
6104 | serge | 372 | |
373 | void radeon_fb_add_connector(struct radeon_device *rdev, struct drm_connector *connector) |
||
374 | { |
||
375 | drm_fb_helper_add_one_connector(&rdev->mode_info.rfbdev->helper, connector); |
||
376 | } |
||
377 | |||
378 | void radeon_fb_remove_connector(struct radeon_device *rdev, struct drm_connector *connector) |
||
379 | { |
||
380 | drm_fb_helper_remove_one_connector(&rdev->mode_info.rfbdev->helper, connector); |
||
381 | }=>><> |