linux/drivers/gpu/drm/nouveau/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 "drmP.h"
  26#include "nouveau_drv.h"
  27#include "nouveau_dma.h"
  28#include "nouveau_ramht.h"
  29#include "nouveau_fbcon.h"
  30#include "nouveau_mm.h"
  31
  32int
  33nvc0_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
  34{
  35        struct nouveau_fbdev *nfbdev = info->par;
  36        struct drm_device *dev = nfbdev->dev;
  37        struct drm_nouveau_private *dev_priv = dev->dev_private;
  38        struct nouveau_channel *chan = dev_priv->channel;
  39        int ret;
  40
  41        ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
  42        if (ret)
  43                return ret;
  44
  45        if (rect->rop != ROP_COPY) {
  46                BEGIN_NVC0(chan, 2, NvSub2D, 0x02ac, 1);
  47                OUT_RING  (chan, 1);
  48        }
  49        BEGIN_NVC0(chan, 2, NvSub2D, 0x0588, 1);
  50        if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
  51            info->fix.visual == FB_VISUAL_DIRECTCOLOR)
  52                OUT_RING  (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
  53        else
  54                OUT_RING  (chan, rect->color);
  55        BEGIN_NVC0(chan, 2, NvSub2D, 0x0600, 4);
  56        OUT_RING  (chan, rect->dx);
  57        OUT_RING  (chan, rect->dy);
  58        OUT_RING  (chan, rect->dx + rect->width);
  59        OUT_RING  (chan, rect->dy + rect->height);
  60        if (rect->rop != ROP_COPY) {
  61                BEGIN_NVC0(chan, 2, NvSub2D, 0x02ac, 1);
  62                OUT_RING  (chan, 3);
  63        }
  64        FIRE_RING(chan);
  65        return 0;
  66}
  67
  68int
  69nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
  70{
  71        struct nouveau_fbdev *nfbdev = info->par;
  72        struct drm_device *dev = nfbdev->dev;
  73        struct drm_nouveau_private *dev_priv = dev->dev_private;
  74        struct nouveau_channel *chan = dev_priv->channel;
  75        int ret;
  76
  77        ret = RING_SPACE(chan, 12);
  78        if (ret)
  79                return ret;
  80
  81        BEGIN_NVC0(chan, 2, NvSub2D, 0x0110, 1);
  82        OUT_RING  (chan, 0);
  83        BEGIN_NVC0(chan, 2, 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_NVC0(chan, 2, 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
  97int
  98nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
  99{
 100        struct nouveau_fbdev *nfbdev = info->par;
 101        struct drm_device *dev = nfbdev->dev;
 102        struct drm_nouveau_private *dev_priv = dev->dev_private;
 103        struct nouveau_channel *chan = dev_priv->channel;
 104        uint32_t width, dwords, *data = (uint32_t *)image->data;
 105        uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
 106        uint32_t *palette = info->pseudo_palette;
 107        int ret;
 108
 109        if (image->depth != 1)
 110                return -ENODEV;
 111
 112        ret = RING_SPACE(chan, 11);
 113        if (ret)
 114                return ret;
 115
 116        width = ALIGN(image->width, 32);
 117        dwords = (width * image->height) >> 5;
 118
 119        BEGIN_NVC0(chan, 2, NvSub2D, 0x0814, 2);
 120        if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
 121            info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
 122                OUT_RING  (chan, palette[image->bg_color] | mask);
 123                OUT_RING  (chan, palette[image->fg_color] | mask);
 124        } else {
 125                OUT_RING  (chan, image->bg_color);
 126                OUT_RING  (chan, image->fg_color);
 127        }
 128        BEGIN_NVC0(chan, 2, NvSub2D, 0x0838, 2);
 129        OUT_RING  (chan, image->width);
 130        OUT_RING  (chan, image->height);
 131        BEGIN_NVC0(chan, 2, NvSub2D, 0x0850, 4);
 132        OUT_RING  (chan, 0);
 133        OUT_RING  (chan, image->dx);
 134        OUT_RING  (chan, 0);
 135        OUT_RING  (chan, image->dy);
 136
 137        while (dwords) {
 138                int push = dwords > 2047 ? 2047 : dwords;
 139
 140                ret = RING_SPACE(chan, push + 1);
 141                if (ret)
 142                        return ret;
 143
 144                dwords -= push;
 145
 146                BEGIN_NVC0(chan, 6, NvSub2D, 0x0860, push);
 147                OUT_RINGp(chan, data, push);
 148                data += push;
 149        }
 150
 151        FIRE_RING(chan);
 152        return 0;
 153}
 154
 155int
 156nvc0_fbcon_accel_init(struct fb_info *info)
 157{
 158        struct nouveau_fbdev *nfbdev = info->par;
 159        struct drm_device *dev = nfbdev->dev;
 160        struct drm_nouveau_private *dev_priv = dev->dev_private;
 161        struct nouveau_channel *chan = dev_priv->channel;
 162        struct nouveau_bo *nvbo = nfbdev->nouveau_fb.nvbo;
 163        int ret, format;
 164
 165        ret = nouveau_gpuobj_gr_new(chan, 0x902d, 0x902d);
 166        if (ret)
 167                return ret;
 168
 169        switch (info->var.bits_per_pixel) {
 170        case 8:
 171                format = 0xf3;
 172                break;
 173        case 15:
 174                format = 0xf8;
 175                break;
 176        case 16:
 177                format = 0xe8;
 178                break;
 179        case 32:
 180                switch (info->var.transp.length) {
 181                case 0: /* depth 24 */
 182                case 8: /* depth 32, just use 24.. */
 183                        format = 0xe6;
 184                        break;
 185                case 2: /* depth 30 */
 186                        format = 0xd1;
 187                        break;
 188                default:
 189                        return -EINVAL;
 190                }
 191                break;
 192        default:
 193                return -EINVAL;
 194        }
 195
 196        ret = RING_SPACE(chan, 60);
 197        if (ret) {
 198                WARN_ON(1);
 199                nouveau_fbcon_gpu_lockup(info);
 200                return ret;
 201        }
 202
 203        BEGIN_NVC0(chan, 2, NvSub2D, 0x0000, 1);
 204        OUT_RING  (chan, 0x0000902d);
 205        BEGIN_NVC0(chan, 2, NvSub2D, 0x0104, 2);
 206        OUT_RING  (chan, upper_32_bits(chan->notifier_bo->bo.offset));
 207        OUT_RING  (chan, lower_32_bits(chan->notifier_bo->bo.offset));
 208        BEGIN_NVC0(chan, 2, NvSub2D, 0x0290, 1);
 209        OUT_RING  (chan, 0);
 210        BEGIN_NVC0(chan, 2, NvSub2D, 0x0888, 1);
 211        OUT_RING  (chan, 1);
 212        BEGIN_NVC0(chan, 2, NvSub2D, 0x02ac, 1);
 213        OUT_RING  (chan, 3);
 214        BEGIN_NVC0(chan, 2, NvSub2D, 0x02a0, 1);
 215        OUT_RING  (chan, 0x55);
 216        BEGIN_NVC0(chan, 2, NvSub2D, 0x08c0, 4);
 217        OUT_RING  (chan, 0);
 218        OUT_RING  (chan, 1);
 219        OUT_RING  (chan, 0);
 220        OUT_RING  (chan, 1);
 221        BEGIN_NVC0(chan, 2, NvSub2D, 0x0580, 2);
 222        OUT_RING  (chan, 4);
 223        OUT_RING  (chan, format);
 224        BEGIN_NVC0(chan, 2, NvSub2D, 0x02e8, 2);
 225        OUT_RING  (chan, 2);
 226        OUT_RING  (chan, 1);
 227
 228        BEGIN_NVC0(chan, 2, NvSub2D, 0x0804, 1);
 229        OUT_RING  (chan, format);
 230        BEGIN_NVC0(chan, 2, NvSub2D, 0x0800, 1);
 231        OUT_RING  (chan, 1);
 232        BEGIN_NVC0(chan, 2, NvSub2D, 0x0808, 3);
 233        OUT_RING  (chan, 0);
 234        OUT_RING  (chan, 0);
 235        OUT_RING  (chan, 1);
 236        BEGIN_NVC0(chan, 2, NvSub2D, 0x081c, 1);
 237        OUT_RING  (chan, 1);
 238        BEGIN_NVC0(chan, 2, 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_NVC0(chan, 2, NvSub2D, 0x0200, 10);
 244        OUT_RING  (chan, format);
 245        OUT_RING  (chan, 1);
 246        OUT_RING  (chan, 0);
 247        OUT_RING  (chan, 1);
 248        OUT_RING  (chan, 0);
 249        OUT_RING  (chan, info->fix.line_length);
 250        OUT_RING  (chan, info->var.xres_virtual);
 251        OUT_RING  (chan, info->var.yres_virtual);
 252        OUT_RING  (chan, upper_32_bits(nvbo->vma.offset));
 253        OUT_RING  (chan, lower_32_bits(nvbo->vma.offset));
 254        BEGIN_NVC0(chan, 2, NvSub2D, 0x0230, 10);
 255        OUT_RING  (chan, format);
 256        OUT_RING  (chan, 1);
 257        OUT_RING  (chan, 0);
 258        OUT_RING  (chan, 1);
 259        OUT_RING  (chan, 0);
 260        OUT_RING  (chan, info->fix.line_length);
 261        OUT_RING  (chan, info->var.xres_virtual);
 262        OUT_RING  (chan, info->var.yres_virtual);
 263        OUT_RING  (chan, upper_32_bits(nvbo->vma.offset));
 264        OUT_RING  (chan, lower_32_bits(nvbo->vma.offset));
 265        FIRE_RING (chan);
 266
 267        return 0;
 268}
 269
 270
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