linux/drivers/gpu/drm/nouveau/nvc0_fbcon.c
<<
>>
Prefs 
   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_drv.h"
  26#include "nouveau_dma.h"
  27#include "nouveau_fbcon.h"
  28#include "nouveau_vmm.h"
  29
  30int
  31nvc0_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
  32{
  33        struct nouveau_fbdev *nfbdev = info->par;
  34        struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  35        struct nouveau_channel *chan = drm->channel;
  36        int ret;
  37
  38        ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
  39        if (ret)
  40                return ret;
  41
  42        if (rect->rop != ROP_COPY) {
  43                BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
  44                OUT_RING  (chan, 1);
  45        }
  46        BEGIN_NVC0(chan, NvSub2D, 0x0588, 1);
  47        if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
  48            info->fix.visual == FB_VISUAL_DIRECTCOLOR)
  49                OUT_RING  (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
  50        else
  51                OUT_RING  (chan, rect->color);
  52        BEGIN_NVC0(chan, NvSub2D, 0x0600, 4);
  53        OUT_RING  (chan, rect->dx);
  54        OUT_RING  (chan, rect->dy);
  55        OUT_RING  (chan, rect->dx + rect->width);
  56        OUT_RING  (chan, rect->dy + rect->height);
  57        if (rect->rop != ROP_COPY) {
  58                BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
  59                OUT_RING  (chan, 3);
  60        }
  61        FIRE_RING(chan);
  62        return 0;
  63}
  64
  65int
  66nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
  67{
  68        struct nouveau_fbdev *nfbdev = info->par;
  69        struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  70        struct nouveau_channel *chan = drm->channel;
  71        int ret;
  72
  73        ret = RING_SPACE(chan, 12);
  74        if (ret)
  75                return ret;
  76
  77        BEGIN_NVC0(chan, NvSub2D, 0x0110, 1);
  78        OUT_RING  (chan, 0);
  79        BEGIN_NVC0(chan, NvSub2D, 0x08b0, 4);
  80        OUT_RING  (chan, region->dx);
  81        OUT_RING  (chan, region->dy);
  82        OUT_RING  (chan, region->width);
  83        OUT_RING  (chan, region->height);
  84        BEGIN_NVC0(chan, NvSub2D, 0x08d0, 4);
  85        OUT_RING  (chan, 0);
  86        OUT_RING  (chan, region->sx);
  87        OUT_RING  (chan, 0);
  88        OUT_RING  (chan, region->sy);
  89        FIRE_RING(chan);
  90        return 0;
  91}
  92
  93int
  94nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
  95{
  96        struct nouveau_fbdev *nfbdev = info->par;
  97        struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  98        struct nouveau_channel *chan = drm->channel;
  99        uint32_t dwords, *data = (uint32_t *)image->data;
 100        uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
 101        uint32_t *palette = info->pseudo_palette;
 102        int ret;
 103
 104        if (image->depth != 1)
 105                return -ENODEV;
 106
 107        ret = RING_SPACE(chan, 11);
 108        if (ret)
 109                return ret;
 110
 111        BEGIN_NVC0(chan, NvSub2D, 0x0814, 2);
 112        if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
 113            info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
 114                OUT_RING  (chan, palette[image->bg_color] | mask);
 115                OUT_RING  (chan, palette[image->fg_color] | mask);
 116        } else {
 117                OUT_RING  (chan, image->bg_color);
 118                OUT_RING  (chan, image->fg_color);
 119        }
 120        BEGIN_NVC0(chan, NvSub2D, 0x0838, 2);
 121        OUT_RING  (chan, image->width);
 122        OUT_RING  (chan, image->height);
 123        BEGIN_NVC0(chan, NvSub2D, 0x0850, 4);
 124        OUT_RING  (chan, 0);
 125        OUT_RING  (chan, image->dx);
 126        OUT_RING  (chan, 0);
 127        OUT_RING  (chan, image->dy);
 128
 129        dwords = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
 130        while (dwords) {
 131                int push = dwords > 2047 ? 2047 : dwords;
 132
 133                ret = RING_SPACE(chan, push + 1);
 134                if (ret)
 135                        return ret;
 136
 137                dwords -= push;
 138
 139                BEGIN_NIC0(chan, NvSub2D, 0x0860, push);
 140                OUT_RINGp(chan, data, push);
 141                data += push;
 142        }
 143
 144        FIRE_RING(chan);
 145        return 0;
 146}
 147
 148int
 149nvc0_fbcon_accel_init(struct fb_info *info)
 150{
 151        struct nouveau_fbdev *nfbdev = info->par;
 152        struct drm_device *dev = nfbdev->helper.dev;
 153        struct nouveau_framebuffer *fb = nouveau_framebuffer(nfbdev->helper.fb);
 154        struct nouveau_drm *drm = nouveau_drm(dev);
 155        struct nouveau_channel *chan = drm->channel;
 156        int ret, format;
 157
 158        ret = nvif_object_init(&chan->user, 0x902d, 0x902d, NULL, 0,
 159                               &nfbdev->twod);
 160        if (ret)
 161                return ret;
 162
 163        switch (info->var.bits_per_pixel) {
 164        case 8:
 165                format = 0xf3;
 166                break;
 167        case 15:
 168                format = 0xf8;
 169                break;
 170        case 16:
 171                format = 0xe8;
 172                break;
 173        case 32:
 174                switch (info->var.transp.length) {
 175                case 0: /* depth 24 */
 176                case 8: /* depth 32, just use 24.. */
 177                        format = 0xe6;
 178                        break;
 179                case 2: /* depth 30 */
 180                        format = 0xd1;
 181                        break;
 182                default:
 183                        return -EINVAL;
 184                }
 185                break;
 186        default:
 187                return -EINVAL;
 188        }
 189
 190        ret = RING_SPACE(chan, 58);
 191        if (ret) {
 192                WARN_ON(1);
 193                nouveau_fbcon_gpu_lockup(info);
 194                return ret;
 195        }
 196
 197        BEGIN_NVC0(chan, NvSub2D, 0x0000, 1);
 198        OUT_RING  (chan, nfbdev->twod.handle);
 199        BEGIN_NVC0(chan, NvSub2D, 0x0290, 1);
 200        OUT_RING  (chan, 0);
 201        BEGIN_NVC0(chan, NvSub2D, 0x0888, 1);
 202        OUT_RING  (chan, 1);
 203        BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
 204        OUT_RING  (chan, 3);
 205        BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1);
 206        OUT_RING  (chan, 0x55);
 207        BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4);
 208        OUT_RING  (chan, 0);
 209        OUT_RING  (chan, 1);
 210        OUT_RING  (chan, 0);
 211        OUT_RING  (chan, 1);
 212        BEGIN_NVC0(chan, NvSub2D, 0x0580, 2);
 213        OUT_RING  (chan, 4);
 214        OUT_RING  (chan, format);
 215        BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2);
 216        OUT_RING  (chan, 2);
 217        OUT_RING  (chan, 1);
 218
 219        BEGIN_NVC0(chan, NvSub2D, 0x0804, 1);
 220        OUT_RING  (chan, format);
 221        BEGIN_NVC0(chan, NvSub2D, 0x0800, 1);
 222        OUT_RING  (chan, 1);
 223        BEGIN_NVC0(chan, NvSub2D, 0x0808, 3);
 224        OUT_RING  (chan, 0);
 225        OUT_RING  (chan, 0);
 226        OUT_RING  (chan, 1);
 227        BEGIN_NVC0(chan, NvSub2D, 0x081c, 1);
 228        OUT_RING  (chan, 1);
 229        BEGIN_NVC0(chan, NvSub2D, 0x0840, 4);
 230        OUT_RING  (chan, 0);
 231        OUT_RING  (chan, 1);
 232        OUT_RING  (chan, 0);
 233        OUT_RING  (chan, 1);
 234        BEGIN_NVC0(chan, NvSub2D, 0x0200, 10);
 235        OUT_RING  (chan, format);
 236        OUT_RING  (chan, 1);
 237        OUT_RING  (chan, 0);
 238        OUT_RING  (chan, 1);
 239        OUT_RING  (chan, 0);
 240        OUT_RING  (chan, info->fix.line_length);
 241        OUT_RING  (chan, info->var.xres_virtual);
 242        OUT_RING  (chan, info->var.yres_virtual);
 243        OUT_RING  (chan, upper_32_bits(fb->vma->addr));
 244        OUT_RING  (chan, lower_32_bits(fb->vma->addr));
 245        BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
 246        OUT_RING  (chan, format);
 247        OUT_RING  (chan, 1);
 248        OUT_RING  (chan, 0);
 249        OUT_RING  (chan, 1);
 250        OUT_RING  (chan, 0);
 251        OUT_RING  (chan, info->fix.line_length);
 252        OUT_RING  (chan, info->var.xres_virtual);
 253        OUT_RING  (chan, info->var.yres_virtual);
 254        OUT_RING  (chan, upper_32_bits(fb->vma->addr));
 255        OUT_RING  (chan, lower_32_bits(fb->vma->addr));
 256        FIRE_RING (chan);
 257
 258        return 0;
 259}
 260
 261
Hosted by Missing Link Electronics. The original LXR software by the LXR community, this experimental version by lxr@linux.no.