1 /*
2 * Copyright 2010 Red Hat Inc.
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 shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Ben Skeggs
23 */
24
25 #include "nouveau_drm.h"
26 #include "nouveau_dma.h"
27 #include "nouveau_fbcon.h"
28
29 int
nvc0_fbcon_fillrect(struct fb_info * info,const struct fb_fillrect * rect)30 nvc0_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
31 {
32 struct nouveau_fbdev *nfbdev = info->par;
33 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
34 struct nouveau_channel *chan = drm->channel;
35 int ret;
36
37 ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
38 if (ret)
39 return ret;
40
41 if (rect->rop != ROP_COPY) {
42 BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
43 OUT_RING (chan, 1);
44 }
45 BEGIN_NVC0(chan, NvSub2D, 0x0588, 1);
46 if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
47 info->fix.visual == FB_VISUAL_DIRECTCOLOR)
48 OUT_RING (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
49 else
50 OUT_RING (chan, rect->color);
51 BEGIN_NVC0(chan, NvSub2D, 0x0600, 4);
52 OUT_RING (chan, rect->dx);
53 OUT_RING (chan, rect->dy);
54 OUT_RING (chan, rect->dx + rect->width);
55 OUT_RING (chan, rect->dy + rect->height);
56 if (rect->rop != ROP_COPY) {
57 BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
58 OUT_RING (chan, 3);
59 }
60 FIRE_RING(chan);
61 return 0;
62 }
63
64 int
nvc0_fbcon_copyarea(struct fb_info * info,const struct fb_copyarea * region)65 nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
66 {
67 struct nouveau_fbdev *nfbdev = info->par;
68 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
69 struct nouveau_channel *chan = drm->channel;
70 int ret;
71
72 ret = RING_SPACE(chan, 12);
73 if (ret)
74 return ret;
75
76 BEGIN_NVC0(chan, NvSub2D, 0x0110, 1);
77 OUT_RING (chan, 0);
78 BEGIN_NVC0(chan, NvSub2D, 0x08b0, 4);
79 OUT_RING (chan, region->dx);
80 OUT_RING (chan, region->dy);
81 OUT_RING (chan, region->width);
82 OUT_RING (chan, region->height);
83 BEGIN_NVC0(chan, NvSub2D, 0x08d0, 4);
84 OUT_RING (chan, 0);
85 OUT_RING (chan, region->sx);
86 OUT_RING (chan, 0);
87 OUT_RING (chan, region->sy);
88 FIRE_RING(chan);
89 return 0;
90 }
91
92 int
nvc0_fbcon_imageblit(struct fb_info * info,const struct fb_image * image)93 nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
94 {
95 struct nouveau_fbdev *nfbdev = info->par;
96 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
97 struct nouveau_channel *chan = drm->channel;
98 uint32_t dwords, *data = (uint32_t *)image->data;
99 uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
100 uint32_t *palette = info->pseudo_palette;
101 int ret;
102
103 if (image->depth != 1)
104 return -ENODEV;
105
106 ret = RING_SPACE(chan, 11);
107 if (ret)
108 return ret;
109
110 BEGIN_NVC0(chan, NvSub2D, 0x0814, 2);
111 if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
112 info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
113 OUT_RING (chan, palette[image->bg_color] | mask);
114 OUT_RING (chan, palette[image->fg_color] | mask);
115 } else {
116 OUT_RING (chan, image->bg_color);
117 OUT_RING (chan, image->fg_color);
118 }
119 BEGIN_NVC0(chan, NvSub2D, 0x0838, 2);
120 OUT_RING (chan, image->width);
121 OUT_RING (chan, image->height);
122 BEGIN_NVC0(chan, NvSub2D, 0x0850, 4);
123 OUT_RING (chan, 0);
124 OUT_RING (chan, image->dx);
125 OUT_RING (chan, 0);
126 OUT_RING (chan, image->dy);
127
128 dwords = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
129 while (dwords) {
130 int push = dwords > 2047 ? 2047 : dwords;
131
132 ret = RING_SPACE(chan, push + 1);
133 if (ret)
134 return ret;
135
136 dwords -= push;
137
138 BEGIN_NIC0(chan, NvSub2D, 0x0860, push);
139 OUT_RINGp(chan, data, push);
140 data += push;
141 }
142
143 FIRE_RING(chan);
144 return 0;
145 }
146
147 int
nvc0_fbcon_accel_init(struct fb_info * info)148 nvc0_fbcon_accel_init(struct fb_info *info)
149 {
150 struct nouveau_fbdev *nfbdev = info->par;
151 struct drm_device *dev = nfbdev->dev;
152 struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
153 struct nouveau_drm *drm = nouveau_drm(dev);
154 struct nouveau_channel *chan = drm->channel;
155 int ret, format;
156
157 ret = nvif_object_init(chan->object, NULL, 0x902d, 0x902d, NULL, 0,
158 &nfbdev->twod);
159 if (ret)
160 return ret;
161
162 switch (info->var.bits_per_pixel) {
163 case 8:
164 format = 0xf3;
165 break;
166 case 15:
167 format = 0xf8;
168 break;
169 case 16:
170 format = 0xe8;
171 break;
172 case 32:
173 switch (info->var.transp.length) {
174 case 0: /* depth 24 */
175 case 8: /* depth 32, just use 24.. */
176 format = 0xe6;
177 break;
178 case 2: /* depth 30 */
179 format = 0xd1;
180 break;
181 default:
182 return -EINVAL;
183 }
184 break;
185 default:
186 return -EINVAL;
187 }
188
189 ret = RING_SPACE(chan, 60);
190 if (ret) {
191 WARN_ON(1);
192 nouveau_fbcon_gpu_lockup(info);
193 return ret;
194 }
195
196 BEGIN_NVC0(chan, NvSub2D, 0x0000, 1);
197 OUT_RING (chan, nfbdev->twod.handle);
198 BEGIN_NVC0(chan, NvSub2D, 0x0290, 1);
199 OUT_RING (chan, 0);
200 BEGIN_NVC0(chan, NvSub2D, 0x0888, 1);
201 OUT_RING (chan, 1);
202 BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
203 OUT_RING (chan, 3);
204 BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1);
205 OUT_RING (chan, 0x55);
206 BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4);
207 OUT_RING (chan, 0);
208 OUT_RING (chan, 1);
209 OUT_RING (chan, 0);
210 OUT_RING (chan, 1);
211 BEGIN_NVC0(chan, NvSub2D, 0x0580, 2);
212 OUT_RING (chan, 4);
213 OUT_RING (chan, format);
214 BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2);
215 OUT_RING (chan, 2);
216 OUT_RING (chan, 1);
217
218 BEGIN_NVC0(chan, NvSub2D, 0x0804, 1);
219 OUT_RING (chan, format);
220 BEGIN_NVC0(chan, NvSub2D, 0x0800, 1);
221 OUT_RING (chan, 1);
222 BEGIN_NVC0(chan, NvSub2D, 0x0808, 3);
223 OUT_RING (chan, 0);
224 OUT_RING (chan, 0);
225 OUT_RING (chan, 1);
226 BEGIN_NVC0(chan, NvSub2D, 0x081c, 1);
227 OUT_RING (chan, 1);
228 BEGIN_NVC0(chan, NvSub2D, 0x0840, 4);
229 OUT_RING (chan, 0);
230 OUT_RING (chan, 1);
231 OUT_RING (chan, 0);
232 OUT_RING (chan, 1);
233 BEGIN_NVC0(chan, NvSub2D, 0x0200, 10);
234 OUT_RING (chan, format);
235 OUT_RING (chan, 1);
236 OUT_RING (chan, 0);
237 OUT_RING (chan, 1);
238 OUT_RING (chan, 0);
239 OUT_RING (chan, info->fix.line_length);
240 OUT_RING (chan, info->var.xres_virtual);
241 OUT_RING (chan, info->var.yres_virtual);
242 OUT_RING (chan, upper_32_bits(fb->vma.offset));
243 OUT_RING (chan, lower_32_bits(fb->vma.offset));
244 BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
245 OUT_RING (chan, format);
246 OUT_RING (chan, 1);
247 OUT_RING (chan, 0);
248 OUT_RING (chan, 1);
249 OUT_RING (chan, 0);
250 OUT_RING (chan, info->fix.line_length);
251 OUT_RING (chan, info->var.xres_virtual);
252 OUT_RING (chan, info->var.yres_virtual);
253 OUT_RING (chan, upper_32_bits(fb->vma.offset));
254 OUT_RING (chan, lower_32_bits(fb->vma.offset));
255 FIRE_RING (chan);
256
257 return 0;
258 }
259
260