1 /* $NetBSD: nouveau_nv50_fbcon.c,v 1.1.1.1 2014/08/06 12:36:23 riastradh Exp $ */
2
3 /*
4 * Copyright 2010 Red Hat Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Ben Skeggs
25 */
26
27 #include <sys/cdefs.h>
28 __KERNEL_RCSID(0, "$NetBSD: nouveau_nv50_fbcon.c,v 1.1.1.1 2014/08/06 12:36:23 riastradh Exp $");
29
30 #include "nouveau_drm.h"
31 #include "nouveau_dma.h"
32 #include "nouveau_fbcon.h"
33
34 int
nv50_fbcon_fillrect(struct fb_info * info,const struct fb_fillrect * rect)35 nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
36 {
37 struct nouveau_fbdev *nfbdev = info->par;
38 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
39 struct nouveau_channel *chan = drm->channel;
40 int ret;
41
42 ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
43 if (ret)
44 return ret;
45
46 if (rect->rop != ROP_COPY) {
47 BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
48 OUT_RING(chan, 1);
49 }
50 BEGIN_NV04(chan, NvSub2D, 0x0588, 1);
51 if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
52 info->fix.visual == FB_VISUAL_DIRECTCOLOR)
53 OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
54 else
55 OUT_RING(chan, rect->color);
56 BEGIN_NV04(chan, NvSub2D, 0x0600, 4);
57 OUT_RING(chan, rect->dx);
58 OUT_RING(chan, rect->dy);
59 OUT_RING(chan, rect->dx + rect->width);
60 OUT_RING(chan, rect->dy + rect->height);
61 if (rect->rop != ROP_COPY) {
62 BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
63 OUT_RING(chan, 3);
64 }
65 FIRE_RING(chan);
66 return 0;
67 }
68
69 int
nv50_fbcon_copyarea(struct fb_info * info,const struct fb_copyarea * region)70 nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
71 {
72 struct nouveau_fbdev *nfbdev = info->par;
73 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
74 struct nouveau_channel *chan = drm->channel;
75 int ret;
76
77 ret = RING_SPACE(chan, 12);
78 if (ret)
79 return ret;
80
81 BEGIN_NV04(chan, NvSub2D, 0x0110, 1);
82 OUT_RING(chan, 0);
83 BEGIN_NV04(chan, NvSub2D, 0x08b0, 4);
84 OUT_RING(chan, region->dx);
85 OUT_RING(chan, region->dy);
86 OUT_RING(chan, region->width);
87 OUT_RING(chan, region->height);
88 BEGIN_NV04(chan, NvSub2D, 0x08d0, 4);
89 OUT_RING(chan, 0);
90 OUT_RING(chan, region->sx);
91 OUT_RING(chan, 0);
92 OUT_RING(chan, region->sy);
93 FIRE_RING(chan);
94 return 0;
95 }
96
97 int
nv50_fbcon_imageblit(struct fb_info * info,const struct fb_image * image)98 nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
99 {
100 struct nouveau_fbdev *nfbdev = info->par;
101 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
102 struct nouveau_channel *chan = drm->channel;
103 uint32_t width, dwords, *data = (uint32_t *)image->data;
104 uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
105 uint32_t *palette = info->pseudo_palette;
106 int ret;
107
108 if (image->depth != 1)
109 return -ENODEV;
110
111 ret = RING_SPACE(chan, 11);
112 if (ret)
113 return ret;
114
115 width = ALIGN(image->width, 32);
116 dwords = (width * image->height) >> 5;
117
118 BEGIN_NV04(chan, NvSub2D, 0x0814, 2);
119 if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
120 info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
121 OUT_RING(chan, palette[image->bg_color] | mask);
122 OUT_RING(chan, palette[image->fg_color] | mask);
123 } else {
124 OUT_RING(chan, image->bg_color);
125 OUT_RING(chan, image->fg_color);
126 }
127 BEGIN_NV04(chan, NvSub2D, 0x0838, 2);
128 OUT_RING(chan, image->width);
129 OUT_RING(chan, image->height);
130 BEGIN_NV04(chan, NvSub2D, 0x0850, 4);
131 OUT_RING(chan, 0);
132 OUT_RING(chan, image->dx);
133 OUT_RING(chan, 0);
134 OUT_RING(chan, image->dy);
135
136 while (dwords) {
137 int push = dwords > 2047 ? 2047 : dwords;
138
139 ret = RING_SPACE(chan, push + 1);
140 if (ret)
141 return ret;
142
143 dwords -= push;
144
145 BEGIN_NI04(chan, NvSub2D, 0x0860, push);
146 OUT_RINGp(chan, data, push);
147 data += push;
148 }
149
150 FIRE_RING(chan);
151 return 0;
152 }
153
154 int
nv50_fbcon_accel_init(struct fb_info * info)155 nv50_fbcon_accel_init(struct fb_info *info)
156 {
157 struct nouveau_fbdev *nfbdev = info->par;
158 struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
159 struct drm_device *dev = nfbdev->dev;
160 struct nouveau_drm *drm = nouveau_drm(dev);
161 struct nouveau_channel *chan = drm->channel;
162 struct nouveau_object *object;
163 int ret, format;
164
165 switch (info->var.bits_per_pixel) {
166 case 8:
167 format = 0xf3;
168 break;
169 case 15:
170 format = 0xf8;
171 break;
172 case 16:
173 format = 0xe8;
174 break;
175 case 32:
176 switch (info->var.transp.length) {
177 case 0: /* depth 24 */
178 case 8: /* depth 32, just use 24.. */
179 format = 0xe6;
180 break;
181 case 2: /* depth 30 */
182 format = 0xd1;
183 break;
184 default:
185 return -EINVAL;
186 }
187 break;
188 default:
189 return -EINVAL;
190 }
191
192 ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, Nv2D,
193 0x502d, NULL, 0, &object);
194 if (ret)
195 return ret;
196
197 ret = RING_SPACE(chan, 59);
198 if (ret) {
199 nouveau_fbcon_gpu_lockup(info);
200 return ret;
201 }
202
203 BEGIN_NV04(chan, NvSub2D, 0x0000, 1);
204 OUT_RING(chan, Nv2D);
205 BEGIN_NV04(chan, NvSub2D, 0x0184, 3);
206 OUT_RING(chan, NvDmaFB);
207 OUT_RING(chan, NvDmaFB);
208 OUT_RING(chan, NvDmaFB);
209 BEGIN_NV04(chan, NvSub2D, 0x0290, 1);
210 OUT_RING(chan, 0);
211 BEGIN_NV04(chan, NvSub2D, 0x0888, 1);
212 OUT_RING(chan, 1);
213 BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
214 OUT_RING(chan, 3);
215 BEGIN_NV04(chan, NvSub2D, 0x02a0, 1);
216 OUT_RING(chan, 0x55);
217 BEGIN_NV04(chan, NvSub2D, 0x08c0, 4);
218 OUT_RING(chan, 0);
219 OUT_RING(chan, 1);
220 OUT_RING(chan, 0);
221 OUT_RING(chan, 1);
222 BEGIN_NV04(chan, NvSub2D, 0x0580, 2);
223 OUT_RING(chan, 4);
224 OUT_RING(chan, format);
225 BEGIN_NV04(chan, NvSub2D, 0x02e8, 2);
226 OUT_RING(chan, 2);
227 OUT_RING(chan, 1);
228 BEGIN_NV04(chan, NvSub2D, 0x0804, 1);
229 OUT_RING(chan, format);
230 BEGIN_NV04(chan, NvSub2D, 0x0800, 1);
231 OUT_RING(chan, 1);
232 BEGIN_NV04(chan, NvSub2D, 0x0808, 3);
233 OUT_RING(chan, 0);
234 OUT_RING(chan, 0);
235 OUT_RING(chan, 1);
236 BEGIN_NV04(chan, NvSub2D, 0x081c, 1);
237 OUT_RING(chan, 1);
238 BEGIN_NV04(chan, NvSub2D, 0x0840, 4);
239 OUT_RING(chan, 0);
240 OUT_RING(chan, 1);
241 OUT_RING(chan, 0);
242 OUT_RING(chan, 1);
243 BEGIN_NV04(chan, NvSub2D, 0x0200, 2);
244 OUT_RING(chan, format);
245 OUT_RING(chan, 1);
246 BEGIN_NV04(chan, NvSub2D, 0x0214, 5);
247 OUT_RING(chan, info->fix.line_length);
248 OUT_RING(chan, info->var.xres_virtual);
249 OUT_RING(chan, info->var.yres_virtual);
250 OUT_RING(chan, upper_32_bits(fb->vma.offset));
251 OUT_RING(chan, lower_32_bits(fb->vma.offset));
252 BEGIN_NV04(chan, NvSub2D, 0x0230, 2);
253 OUT_RING(chan, format);
254 OUT_RING(chan, 1);
255 BEGIN_NV04(chan, NvSub2D, 0x0244, 5);
256 OUT_RING(chan, info->fix.line_length);
257 OUT_RING(chan, info->var.xres_virtual);
258 OUT_RING(chan, info->var.yres_virtual);
259 OUT_RING(chan, upper_32_bits(fb->vma.offset));
260 OUT_RING(chan, lower_32_bits(fb->vma.offset));
261
262 return 0;
263 }
264
265