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 #include <nvhw/class/cl502d.h>
  33
  34 int
  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->helper.dev);
  39         struct nouveau_channel *chan = drm->channel;
  40         struct nvif_push *push = chan->chan.push;
  41         u32 colour;
  42         int ret;
  43
  44         if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
  45             info->fix.visual == FB_VISUAL_DIRECTCOLOR)
  46                 colour = ((uint32_t *)info->pseudo_palette)[rect->color];
  47         else
  48                 colour = rect->color;
  49
  50         ret = PUSH_WAIT(push, rect->rop == ROP_COPY ? 7 : 11);
  51         if (ret)
  52                 return ret;
  53
  54         if (rect->rop != ROP_COPY) {
  55                 PUSH_NVSQ(push, NV502D, 0x02ac, 1);
  56         }
  57
  58         PUSH_NVSQ(push, NV502D, 0x0588, colour);
  59         PUSH_NVSQ(push, NV502D, 0x0600, rect->dx,
  60                                 0x0604, rect->dy,
  61                                 0x0608, rect->dx + rect->width,
  62                                 0x060c, rect->dy + rect->height);
  63
  64         if (rect->rop != ROP_COPY) {
  65                 PUSH_NVSQ(push, NV502D, 0x02ac, 3);
  66         }
  67
  68         PUSH_KICK(push);
  69         return 0;
  70 }
  71
  72 int
  73 nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
  74 {
  75         struct nouveau_fbdev *nfbdev = info->par;
  76         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  77         struct nouveau_channel *chan = drm->channel;
  78         struct nvif_push *push = chan->chan.push;
  79         int ret;
  80
  81         ret = PUSH_WAIT(push, 12);
  82         if (ret)
  83                 return ret;
  84
  85         PUSH_NVSQ(push, NV502D, 0x0110, 0);
  86         PUSH_NVSQ(push, NV502D, 0x08b0, region->dx,
  87                                 0x08b4, region->dy,
  88                                 0x08b8, region->width,
  89                                 0x08bc, region->height);
  90         PUSH_NVSQ(push, NV502D, 0x08d0, 0,
  91                                 0x08d4, region->sx,
  92                                 0x08d8, 0,
  93                                 0x08dc, region->sy);
  94         PUSH_KICK(push);
  95         return 0;
  96 }
  97
  98 int
  99 nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
 100 {
 101         struct nouveau_fbdev *nfbdev = info->par;
 102         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
 103         struct nouveau_channel *chan = drm->channel;
 104         struct nvif_push *push = chan->chan.push;
 105         uint32_t dwords, *data = (uint32_t *)image->data;
 106         uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
 107         uint32_t *palette = info->pseudo_palette, bg, fg;
 108         int ret;
 109
 110         if (image->depth != 1)
 111                 return -ENODEV;
 112
 113         if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
 114             info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
 115                 bg = palette[image->bg_color] | mask;
 116                 fg = palette[image->fg_color] | mask;
 117         } else {
 118                 bg = image->bg_color;
 119                 fg = image->fg_color;
 120         }
 121
 122         ret = PUSH_WAIT(push, 11);
 123         if (ret)
 124                 return ret;
 125
 126         PUSH_NVSQ(push, NV502D, 0x0814, bg,
 127                                 0x0818, fg);
 128         PUSH_NVSQ(push, NV502D, 0x0838, image->width,
 129                                 0x083c, image->height);
 130         PUSH_NVSQ(push, NV502D, 0x0850, 0,
 131                                 0x0854, image->dx,
 132                                 0x0858, 0,
 133                                 0x085c, image->dy);
 134
 135         dwords = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
 136         while (dwords) {
 137                 int count = dwords > 2047 ? 2047 : dwords;
 138
 139                 ret = PUSH_WAIT(push, count + 1);
 140                 if (ret)
 141                         return ret;
 142
 143                 dwords -= count;
 144
 145                 PUSH_NVNI(push, NV502D, 0x0860, data, count);
 146                 data += count;
 147         }
 148
 149         PUSH_KICK(push);
 150         return 0;
 151 }
 152
 153 int
 154 nv50_fbcon_accel_init(struct fb_info *info)
 155 {
 156         struct nouveau_fbdev *nfbdev = info->par;
 157         struct drm_device *dev = nfbdev->helper.dev;
 158         struct nouveau_drm *drm = nouveau_drm(dev);
 159         struct nouveau_channel *chan = drm->channel;
 160         struct nvif_push *push = chan->chan.push;
 161         int ret, format;
 162
 163         switch (info->var.bits_per_pixel) {
 164         case 8:
 165                 format = NV502D_SET_DST_FORMAT_V_Y8;
 166                 break;
 167         case 15:
 168                 format = NV502D_SET_DST_FORMAT_V_X1R5G5B5;
 169                 break;
 170         case 16:
 171                 format = NV502D_SET_DST_FORMAT_V_R5G6B5;
 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 = NV502D_SET_DST_FORMAT_V_X8R8G8B8;
 178                         break;
 179                 case 2: /* depth 30 */
 180                         format = NV502D_SET_DST_FORMAT_V_A2B10G10R10;
 181                         break;
 182                 default:
 183                         return -EINVAL;
 184                 }
 185                 break;
 186         default:
 187                 return -EINVAL;
 188         }
 189
 190         ret = nvif_object_ctor(&chan->user, "fbconTwoD", 0x502d, 0x502d,
 191                                NULL, 0, &nfbdev->twod);
 192         if (ret)
 193                 return ret;
 194
 195         ret = PUSH_WAIT(push, 56);
 196         if (ret) {
 197                 nouveau_fbcon_gpu_lockup(info);
 198                 return ret;
 199         }
 200
 201         PUSH_MTHD(push, NV502D, SET_OBJECT, nfbdev->twod.handle);
 202         PUSH_MTHD(push, NV502D, SET_DST_CONTEXT_DMA, chan->vram.handle,
 203                                 SET_SRC_CONTEXT_DMA, chan->vram.handle,
 204                                 SET_SEMAPHORE_CONTEXT_DMA, chan->vram.handle);
 205
 206         PUSH_MTHD(push, NV502D, SET_DST_FORMAT,
 207                   NVVAL(NV502D, SET_DST_FORMAT, V, format),
 208
 209                                 SET_DST_MEMORY_LAYOUT,
 210                   NVDEF(NV502D, SET_DST_MEMORY_LAYOUT, V, PITCH));
 211
 212         PUSH_MTHD(push, NV502D, SET_DST_PITCH, info->fix.line_length,
 213                                 SET_DST_WIDTH, info->var.xres_virtual,
 214                                 SET_DST_HEIGHT, info->var.yres_virtual,
 215
 216                                 SET_DST_OFFSET_UPPER,
 217                   NVVAL(NV502D, SET_DST_OFFSET_UPPER, V, upper_32_bits(nfbdev->vma->addr)),
 218
 219                                 SET_DST_OFFSET_LOWER,
 220                   NVVAL(NV502D, SET_DST_OFFSET_LOWER, V, lower_32_bits(nfbdev->vma->addr)));
 221
 222         PUSH_MTHD(push, NV502D, SET_SRC_FORMAT,
 223                   NVVAL(NV502D, SET_SRC_FORMAT, V, format),
 224
 225                                 SET_SRC_MEMORY_LAYOUT,
 226                   NVDEF(NV502D, SET_SRC_MEMORY_LAYOUT, V, PITCH));
 227
 228         PUSH_MTHD(push, NV502D, SET_SRC_PITCH, info->fix.line_length,
 229                                 SET_SRC_WIDTH, info->var.xres_virtual,
 230                                 SET_SRC_HEIGHT, info->var.yres_virtual,
 231
 232                                 SET_SRC_OFFSET_UPPER,
 233                   NVVAL(NV502D, SET_SRC_OFFSET_UPPER, V, upper_32_bits(nfbdev->vma->addr)),
 234
 235                                 SET_SRC_OFFSET_LOWER,
 236                   NVVAL(NV502D, SET_SRC_OFFSET_LOWER, V, lower_32_bits(nfbdev->vma->addr)));
 237
 238         PUSH_MTHD(push, NV502D, SET_CLIP_ENABLE,
 239                   NVDEF(NV502D, SET_CLIP_ENABLE, V, FALSE));
 240
 241         PUSH_MTHD(push, NV502D, SET_ROP,
 242                   NVVAL(NV502D, SET_ROP, V, 0x55));
 243
 244         PUSH_MTHD(push, NV502D, SET_OPERATION,
 245                   NVDEF(NV502D, SET_OPERATION, V, SRCCOPY));
 246
 247         PUSH_MTHD(push, NV502D, SET_MONOCHROME_PATTERN_COLOR_FORMAT,
 248                   NVDEF(NV502D, SET_MONOCHROME_PATTERN_COLOR_FORMAT, V, A8R8G8B8),
 249
 250                                 SET_MONOCHROME_PATTERN_FORMAT,
 251                   NVDEF(NV502D, SET_MONOCHROME_PATTERN_FORMAT, V, LE_M1));
 252
 253         PUSH_MTHD(push, NV502D, RENDER_SOLID_PRIM_MODE,
 254                   NVDEF(NV502D, RENDER_SOLID_PRIM_MODE, V, RECTS),
 255
 256                                 SET_RENDER_SOLID_PRIM_COLOR_FORMAT,
 257                   NVVAL(NV502D, SET_RENDER_SOLID_PRIM_COLOR_FORMAT, V, format));
 258
 259         PUSH_MTHD(push, NV502D, SET_PIXELS_FROM_CPU_DATA_TYPE,
 260                   NVDEF(NV502D, SET_PIXELS_FROM_CPU_DATA_TYPE, V, INDEX),
 261
 262                                 SET_PIXELS_FROM_CPU_COLOR_FORMAT,
 263                   NVVAL(NV502D, SET_PIXELS_FROM_CPU_COLOR_FORMAT, V, format),
 264
 265                                 SET_PIXELS_FROM_CPU_INDEX_FORMAT,
 266                   NVDEF(NV502D, SET_PIXELS_FROM_CPU_INDEX_FORMAT, V, I1),
 267
 268                                 SET_PIXELS_FROM_CPU_MONO_FORMAT,
 269                   NVDEF(NV502D, SET_PIXELS_FROM_CPU_MONO_FORMAT, V, CGA6_M1),
 270
 271                                 SET_PIXELS_FROM_CPU_WRAP,
 272                   NVDEF(NV502D, SET_PIXELS_FROM_CPU_WRAP, V, WRAP_BYTE));
 273
 274         PUSH_MTHD(push, NV502D, SET_PIXELS_FROM_CPU_MONO_OPACITY,
 275                   NVDEF(NV502D, SET_PIXELS_FROM_CPU_MONO_OPACITY, V, OPAQUE));
 276
 277         PUSH_MTHD(push, NV502D, SET_PIXELS_FROM_CPU_DX_DU_FRAC, 0,
 278                                 SET_PIXELS_FROM_CPU_DX_DU_INT, 1,
 279                                 SET_PIXELS_FROM_CPU_DY_DV_FRAC, 0,
 280                                 SET_PIXELS_FROM_CPU_DY_DV_INT, 1);
 281
 282         PUSH_MTHD(push, NV502D, SET_PIXELS_FROM_MEMORY_SAFE_OVERLAP,
 283                   NVDEF(NV502D, SET_PIXELS_FROM_MEMORY_SAFE_OVERLAP, V, TRUE));
 284
 285         PUSH_MTHD(push, NV502D, SET_PIXELS_FROM_MEMORY_DU_DX_FRAC, 0,
 286                                 SET_PIXELS_FROM_MEMORY_DU_DX_INT, 1,
 287                                 SET_PIXELS_FROM_MEMORY_DV_DY_FRAC, 0,
 288                                 SET_PIXELS_FROM_MEMORY_DV_DY_INT, 1);
 289         PUSH_KICK(push);
 290         return 0;
 291 }
 292