drivers/gpu/drm/nouveau/nv50_fbcon.c

   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 #define NVIF_DEBUG_PRINT_DISABLE
  25 #include "nouveau_drv.h"
  26 #include "nouveau_dma.h"
  27 #include "nouveau_fbcon.h"
  28 #include "nouveau_vmm.h"
  29
  30 #include <nvif/push206e.h>
  31
  32 int
  33 nv50_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
  34 {
  35         struct nouveau_fbdev *nfbdev = info->par;
  36         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  37         struct nouveau_channel *chan = drm->channel;
  38         int ret;
  39
  40         ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
  41         if (ret)
  42                 return ret;
  43
  44         if (rect->rop != ROP_COPY) {
  45                 BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
  46                 OUT_RING(chan, 1);
  47         }
  48         BEGIN_NV04(chan, NvSub2D, 0x0588, 1);
  49         if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
  50             info->fix.visual == FB_VISUAL_DIRECTCOLOR)
  51                 OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
  52         else
  53                 OUT_RING(chan, rect->color);
  54         BEGIN_NV04(chan, NvSub2D, 0x0600, 4);
  55         OUT_RING(chan, rect->dx);
  56         OUT_RING(chan, rect->dy);
  57         OUT_RING(chan, rect->dx + rect->width);
  58         OUT_RING(chan, rect->dy + rect->height);
  59         if (rect->rop != ROP_COPY) {
  60                 BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
  61                 OUT_RING(chan, 3);
  62         }
  63         FIRE_RING(chan);
  64         return 0;
  65 }
  66
  67 int
  68 nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
  69 {
  70         struct nouveau_fbdev *nfbdev = info->par;
  71         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  72         struct nouveau_channel *chan = drm->channel;
  73         int ret;
  74
  75         ret = RING_SPACE(chan, 12);
  76         if (ret)
  77                 return ret;
  78
  79         BEGIN_NV04(chan, NvSub2D, 0x0110, 1);
  80         OUT_RING(chan, 0);
  81         BEGIN_NV04(chan, NvSub2D, 0x08b0, 4);
  82         OUT_RING(chan, region->dx);
  83         OUT_RING(chan, region->dy);
  84         OUT_RING(chan, region->width);
  85         OUT_RING(chan, region->height);
  86         BEGIN_NV04(chan, NvSub2D, 0x08d0, 4);
  87         OUT_RING(chan, 0);
  88         OUT_RING(chan, region->sx);
  89         OUT_RING(chan, 0);
  90         OUT_RING(chan, region->sy);
  91         FIRE_RING(chan);
  92         return 0;
  93 }
  94
  95 int
  96 nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
  97 {
  98         struct nouveau_fbdev *nfbdev = info->par;
  99         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
 100         struct nouveau_channel *chan = drm->channel;
 101         uint32_t dwords, *data = (uint32_t *)image->data;
 102         uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
 103         uint32_t *palette = info->pseudo_palette;
 104         int ret;
 105
 106         if (image->depth != 1)
 107                 return -ENODEV;
 108
 109         ret = RING_SPACE(chan, 11);
 110         if (ret)
 111                 return ret;
 112
 113         BEGIN_NV04(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_NV04(chan, NvSub2D, 0x0838, 2);
 123         OUT_RING(chan, image->width);
 124         OUT_RING(chan, image->height);
 125         BEGIN_NV04(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         dwords = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
 132         while (dwords) {
 133                 int push = dwords > 2047 ? 2047 : dwords;
 134
 135                 ret = RING_SPACE(chan, push + 1);
 136                 if (ret)
 137                         return ret;
 138
 139                 dwords -= push;
 140
 141                 BEGIN_NI04(chan, NvSub2D, 0x0860, push);
 142                 OUT_RINGp(chan, data, push);
 143                 data += push;
 144         }
 145
 146         FIRE_RING(chan);
 147         return 0;
 148 }
 149
 150 int
 151 nv50_fbcon_accel_init(struct fb_info *info)
 152 {
 153         struct nouveau_fbdev *nfbdev = info->par;
 154         struct drm_device *dev = nfbdev->helper.dev;
 155         struct nouveau_drm *drm = nouveau_drm(dev);
 156         struct nouveau_channel *chan = drm->channel;
 157         struct nvif_push *push = chan->chan.push;
 158         int ret, format;
 159
 160         switch (info->var.bits_per_pixel) {
 161         case 8:
 162                 format = 0xf3;
 163                 break;
 164         case 15:
 165                 format = 0xf8;
 166                 break;
 167         case 16:
 168                 format = 0xe8;
 169                 break;
 170         case 32:
 171                 switch (info->var.transp.length) {
 172                 case 0: /* depth 24 */
 173                 case 8: /* depth 32, just use 24.. */
 174                         format = 0xe6;
 175                         break;
 176                 case 2: /* depth 30 */
 177                         format = 0xd1;
 178                         break;
 179                 default:
 180                         return -EINVAL;
 181                 }
 182                 break;
 183         default:
 184                 return -EINVAL;
 185         }
 186
 187         ret = nvif_object_ctor(&chan->user, "fbconTwoD", 0x502d, 0x502d,
 188                                NULL, 0, &nfbdev->twod);
 189         if (ret)
 190                 return ret;
 191
 192         ret = PUSH_WAIT(push, 56);
 193         if (ret) {
 194                 nouveau_fbcon_gpu_lockup(info);
 195                 return ret;
 196         }
 197
 198         PUSH_NVSQ(push, NV502D, 0x0000, nfbdev->twod.handle);
 199         PUSH_NVSQ(push, NV502D, 0x0184, chan->vram.handle,
 200                                 0x0188, chan->vram.handle,
 201                                 0x018c, chan->vram.handle);
 202
 203         PUSH_NVSQ(push, NV502D, 0x0200, format,
 204                                 0x0204, 1);
 205         PUSH_NVSQ(push, NV502D, 0x0214, info->fix.line_length,
 206                                 0x0218, info->var.xres_virtual,
 207                                 0x021c, info->var.yres_virtual,
 208                                 0x0220, upper_32_bits(nfbdev->vma->addr),
 209                                 0x0224, lower_32_bits(nfbdev->vma->addr));
 210
 211         PUSH_NVSQ(push, NV502D, 0x0230, format,
 212                                 0x0234, 1);
 213         PUSH_NVSQ(push, NV502D, 0x0244, info->fix.line_length,
 214                                 0x0248, info->var.xres_virtual,
 215                                 0x024c, info->var.yres_virtual,
 216                                 0x0250, upper_32_bits(nfbdev->vma->addr),
 217                                 0x0254, lower_32_bits(nfbdev->vma->addr));
 218
 219         PUSH_NVSQ(push, NV502D, 0x0290, 0);
 220         PUSH_NVSQ(push, NV502D, 0x02a0, 0x55);
 221         PUSH_NVSQ(push, NV502D, 0x02ac, 3);
 222         PUSH_NVSQ(push, NV502D, 0x02e8, 2,
 223                                 0x02ec, 1);
 224
 225         PUSH_NVSQ(push, NV502D, 0X0580, 4,
 226                                 0x0584, format);
 227
 228         PUSH_NVSQ(push, NV502D, 0x0800, 1,
 229                                 0x0804, format,
 230                                 0x0808, 0,
 231                                 0x080c, 0,
 232                                 0x0810, 1);
 233         PUSH_NVSQ(push, NV502D, 0x081c, 1);
 234         PUSH_NVSQ(push, NV502D, 0x0840, 0,
 235                                 0x0844, 1,
 236                                 0x0848, 0,
 237                                 0x084c, 1);
 238
 239         PUSH_NVSQ(push, NV502D, 0x0888, 1);
 240         PUSH_NVSQ(push, NV502D, 0x08c0, 0,
 241                                 0x08c4, 1,
 242                                 0x08c8, 0,
 243                                 0x08cc, 1);
 244
 245         PUSH_KICK(push);
 246         return 0;
 247 }
 248