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nvc0_fbcon.c
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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
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
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
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 width, 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  width = ALIGN(image->width, 32);
111  dwords = (width * image->height) >> 5;
112 
113  BEGIN_NVC0(chan, NvSub2D, 0x0814, 2);
114  if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
115  info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
116  OUT_RING (chan, palette[image->bg_color] | mask);
117  OUT_RING (chan, palette[image->fg_color] | mask);
118  } else {
119  OUT_RING (chan, image->bg_color);
120  OUT_RING (chan, image->fg_color);
121  }
122  BEGIN_NVC0(chan, NvSub2D, 0x0838, 2);
123  OUT_RING (chan, image->width);
124  OUT_RING (chan, image->height);
125  BEGIN_NVC0(chan, NvSub2D, 0x0850, 4);
126  OUT_RING (chan, 0);
127  OUT_RING (chan, image->dx);
128  OUT_RING (chan, 0);
129  OUT_RING (chan, image->dy);
130 
131  while (dwords) {
132  int push = dwords > 2047 ? 2047 : dwords;
133 
134  ret = RING_SPACE(chan, push + 1);
135  if (ret)
136  return ret;
137 
138  dwords -= push;
139 
140  BEGIN_NIC0(chan, NvSub2D, 0x0860, push);
141  OUT_RINGp(chan, data, push);
142  data += push;
143  }
144 
145  FIRE_RING(chan);
146  return 0;
147 }
148 
149 int
150 nvc0_fbcon_accel_init(struct fb_info *info)
151 {
152  struct nouveau_fbdev *nfbdev = info->par;
153  struct drm_device *dev = nfbdev->dev;
154  struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
155  struct nouveau_drm *drm = nouveau_drm(dev);
156  struct nouveau_channel *chan = drm->channel;
157  struct nouveau_object *object;
158  int ret, format;
159 
160  ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, Nv2D,
161  0x902d, NULL, 0, &object);
162  if (ret)
163  return ret;
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 = RING_SPACE(chan, 60);
193  if (ret) {
194  WARN_ON(1);
195  nouveau_fbcon_gpu_lockup(info);
196  return ret;
197  }
198 
199  BEGIN_NVC0(chan, NvSub2D, 0x0000, 1);
200  OUT_RING (chan, 0x0000902d);
201  BEGIN_NVC0(chan, NvSub2D, 0x0290, 1);
202  OUT_RING (chan, 0);
203  BEGIN_NVC0(chan, NvSub2D, 0x0888, 1);
204  OUT_RING (chan, 1);
205  BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
206  OUT_RING (chan, 3);
207  BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1);
208  OUT_RING (chan, 0x55);
209  BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4);
210  OUT_RING (chan, 0);
211  OUT_RING (chan, 1);
212  OUT_RING (chan, 0);
213  OUT_RING (chan, 1);
214  BEGIN_NVC0(chan, NvSub2D, 0x0580, 2);
215  OUT_RING (chan, 4);
216  OUT_RING (chan, format);
217  BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2);
218  OUT_RING (chan, 2);
219  OUT_RING (chan, 1);
220 
221  BEGIN_NVC0(chan, NvSub2D, 0x0804, 1);
222  OUT_RING (chan, format);
223  BEGIN_NVC0(chan, NvSub2D, 0x0800, 1);
224  OUT_RING (chan, 1);
225  BEGIN_NVC0(chan, NvSub2D, 0x0808, 3);
226  OUT_RING (chan, 0);
227  OUT_RING (chan, 0);
228  OUT_RING (chan, 1);
229  BEGIN_NVC0(chan, NvSub2D, 0x081c, 1);
230  OUT_RING (chan, 1);
231  BEGIN_NVC0(chan, NvSub2D, 0x0840, 4);
232  OUT_RING (chan, 0);
233  OUT_RING (chan, 1);
234  OUT_RING (chan, 0);
235  OUT_RING (chan, 1);
236  BEGIN_NVC0(chan, NvSub2D, 0x0200, 10);
237  OUT_RING (chan, format);
238  OUT_RING (chan, 1);
239  OUT_RING (chan, 0);
240  OUT_RING (chan, 1);
241  OUT_RING (chan, 0);
242  OUT_RING (chan, info->fix.line_length);
243  OUT_RING (chan, info->var.xres_virtual);
244  OUT_RING (chan, info->var.yres_virtual);
245  OUT_RING (chan, upper_32_bits(fb->vma.offset));
246  OUT_RING (chan, lower_32_bits(fb->vma.offset));
247  BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
248  OUT_RING (chan, format);
249  OUT_RING (chan, 1);
250  OUT_RING (chan, 0);
251  OUT_RING (chan, 1);
252  OUT_RING (chan, 0);
253  OUT_RING (chan, info->fix.line_length);
254  OUT_RING (chan, info->var.xres_virtual);
255  OUT_RING (chan, info->var.yres_virtual);
256  OUT_RING (chan, upper_32_bits(fb->vma.offset));
257  OUT_RING (chan, lower_32_bits(fb->vma.offset));
258  FIRE_RING (chan);
259 
260  return 0;
261 }
262 
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