drivers/gpu/drm/nouveau/nv04_fbcon.c

   1 /*
   2  * Copyright 2009 Ben Skeggs
   3  * Copyright 2008 Stuart Bennett
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24 #define NVIF_DEBUG_PRINT_DISABLE
  25 #include "nouveau_drv.h"
  26 #include "nouveau_dma.h"
  27 #include "nouveau_fbcon.h"
  28
  29 #include <nvif/push006c.h>
  30
  31 int
  32 nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
  33 {
  34         struct nouveau_fbdev *nfbdev = info->par;
  35         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  36         struct nouveau_channel *chan = drm->channel;
  37         struct nvif_push *push = chan->chan.push;
  38         int ret;
  39
  40         ret = PUSH_WAIT(push, 4);
  41         if (ret)
  42                 return ret;
  43
  44         PUSH_NVSQ(push, NV05F, 0x0300, (region->sy << 16) | region->sx,
  45                                0x0304, (region->dy << 16) | region->dx,
  46                                0x0308, (region->height << 16) | region->width);
  47         PUSH_KICK(push);
  48         return 0;
  49 }
  50
  51 int
  52 nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
  53 {
  54         struct nouveau_fbdev *nfbdev = info->par;
  55         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  56         struct nouveau_channel *chan = drm->channel;
  57         struct nvif_push *push = chan->chan.push;
  58         int ret;
  59
  60         ret = PUSH_WAIT(push, 7);
  61         if (ret)
  62                 return ret;
  63
  64         PUSH_NVSQ(push, NV04A, 0x02fc, (rect->rop != ROP_COPY) ? 1 : 3);
  65         if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
  66             info->fix.visual == FB_VISUAL_DIRECTCOLOR)
  67                 PUSH_NVSQ(push, NV04A, 0x03fc, ((uint32_t *)info->pseudo_palette)[rect->color]);
  68         else
  69                 PUSH_NVSQ(push, NV04A, 0x03fc, rect->color);
  70         PUSH_NVSQ(push, NV04A, 0x0400, (rect->dx << 16) | rect->dy,
  71                                0x0404, (rect->width << 16) | rect->height);
  72         PUSH_KICK(push);
  73         return 0;
  74 }
  75
  76 int
  77 nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
  78 {
  79         struct nouveau_fbdev *nfbdev = info->par;
  80         struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
  81         struct nouveau_channel *chan = drm->channel;
  82         struct nvif_push *push = chan->chan.push;
  83         uint32_t fg;
  84         uint32_t bg;
  85         uint32_t dsize;
  86         uint32_t *data = (uint32_t *)image->data;
  87         int ret;
  88
  89         if (image->depth != 1)
  90                 return -ENODEV;
  91
  92         ret = PUSH_WAIT(push, 8);
  93         if (ret)
  94                 return ret;
  95
  96         if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
  97             info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
  98                 fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
  99                 bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
 100         } else {
 101                 fg = image->fg_color;
 102                 bg = image->bg_color;
 103         }
 104
 105         PUSH_NVSQ(push, NV04A, 0x0be4, (image->dy << 16) | (image->dx & 0xffff),
 106                                0x0be8, ((image->dy + image->height) << 16) |
 107                                        ((image->dx + image->width) & 0xffff),
 108                                0x0bec, bg,
 109                                0x0bf0, fg,
 110                                0x0bf4, (image->height << 16) | ALIGN(image->width, 8),
 111                                0x0bf8, (image->height << 16) | image->width,
 112                                0x0bfc, (image->dy << 16) | (image->dx & 0xffff));
 113
 114         dsize = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
 115         while (dsize) {
 116                 int iter_len = dsize > 128 ? 128 : dsize;
 117
 118                 ret = PUSH_WAIT(push, iter_len + 1);
 119                 if (ret)
 120                         return ret;
 121
 122                 PUSH_NVSQ(push, NV04A, 0x0c00, data, iter_len);
 123                 data += iter_len;
 124                 dsize -= iter_len;
 125         }
 126
 127         PUSH_KICK(push);
 128         return 0;
 129 }
 130
 131 int
 132 nv04_fbcon_accel_init(struct fb_info *info)
 133 {
 134         struct nouveau_fbdev *nfbdev = info->par;
 135         struct drm_device *dev = nfbdev->helper.dev;
 136         struct nouveau_drm *drm = nouveau_drm(dev);
 137         struct nouveau_channel *chan = drm->channel;
 138         struct nvif_device *device = &drm->client.device;
 139         struct nvif_push *push = chan->chan.push;
 140         int surface_fmt, pattern_fmt, rect_fmt;
 141         int ret;
 142
 143         switch (info->var.bits_per_pixel) {
 144         case 8:
 145                 surface_fmt = 1;
 146                 pattern_fmt = 3;
 147                 rect_fmt = 3;
 148                 break;
 149         case 16:
 150                 surface_fmt = 4;
 151                 pattern_fmt = 1;
 152                 rect_fmt = 1;
 153                 break;
 154         case 32:
 155                 switch (info->var.transp.length) {
 156                 case 0: /* depth 24 */
 157                 case 8: /* depth 32 */
 158                         break;
 159                 default:
 160                         return -EINVAL;
 161                 }
 162
 163                 surface_fmt = 6;
 164                 pattern_fmt = 3;
 165                 rect_fmt = 3;
 166                 break;
 167         default:
 168                 return -EINVAL;
 169         }
 170
 171         ret = nvif_object_ctor(&chan->user, "fbconCtxSurf2d", 0x0062,
 172                                device->info.family >= NV_DEVICE_INFO_V0_CELSIUS ?
 173                                0x0062 : 0x0042, NULL, 0, &nfbdev->surf2d);
 174         if (ret)
 175                 return ret;
 176
 177         ret = nvif_object_ctor(&chan->user, "fbconCtxClip", 0x0019, 0x0019,
 178                                NULL, 0, &nfbdev->clip);
 179         if (ret)
 180                 return ret;
 181
 182         ret = nvif_object_ctor(&chan->user, "fbconCtxRop", 0x0043, 0x0043,
 183                                NULL, 0, &nfbdev->rop);
 184         if (ret)
 185                 return ret;
 186
 187         ret = nvif_object_ctor(&chan->user, "fbconCtxPatt", 0x0044, 0x0044,
 188                                NULL, 0, &nfbdev->patt);
 189         if (ret)
 190                 return ret;
 191
 192         ret = nvif_object_ctor(&chan->user, "fbconGdiRectText", 0x004a, 0x004a,
 193                                NULL, 0, &nfbdev->gdi);
 194         if (ret)
 195                 return ret;
 196
 197         ret = nvif_object_ctor(&chan->user, "fbconImageBlit", 0x005f,
 198                                device->info.chipset >= 0x11 ? 0x009f : 0x005f,
 199                                NULL, 0, &nfbdev->blit);
 200         if (ret)
 201                 return ret;
 202
 203         if (PUSH_WAIT(push, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) {
 204                 nouveau_fbcon_gpu_lockup(info);
 205                 return 0;
 206         }
 207
 208         PUSH_NVSQ(push, NV042, 0x0000, nfbdev->surf2d.handle);
 209         PUSH_NVSQ(push, NV042, 0x0184, chan->vram.handle,
 210                                0x0188, chan->vram.handle);
 211         PUSH_NVSQ(push, NV042, 0x0300, surface_fmt,
 212                                0x0304, info->fix.line_length | (info->fix.line_length << 16),
 213                                0x0308, info->fix.smem_start - dev->mode_config.fb_base,
 214                                0x030c, info->fix.smem_start - dev->mode_config.fb_base);
 215
 216         PUSH_NVSQ(push, NV043, 0x0000, nfbdev->rop.handle);
 217         PUSH_NVSQ(push, NV043, 0x0300, 0x55);
 218
 219         PUSH_NVSQ(push, NV044, 0x0000, nfbdev->patt.handle);
 220         PUSH_NVSQ(push, NV044, 0x0300, pattern_fmt,
 221 #ifdef __BIG_ENDIAN
 222                                0x0304, 2,
 223 #else
 224                                0x0304, 1,
 225 #endif
 226                                0x0308, 0,
 227                                0x030c, 1,
 228                                0x0310, ~0,
 229                                0x0314, ~0,
 230                                0x0318, ~0,
 231                                0x031c, ~0);
 232
 233         PUSH_NVSQ(push, NV019, 0x0000, nfbdev->clip.handle);
 234         PUSH_NVSQ(push, NV019, 0x0300, 0,
 235                                0x0304, (info->var.yres_virtual << 16) | info->var.xres_virtual);
 236
 237         PUSH_NVSQ(push, NV05F, 0x0000, nfbdev->blit.handle);
 238         PUSH_NVSQ(push, NV05F, 0x019c, nfbdev->surf2d.handle);
 239         PUSH_NVSQ(push, NV05F, 0x02fc, 3);
 240         if (nfbdev->blit.oclass == 0x009f) {
 241                 PUSH_NVSQ(push, NV09F, 0x0120, 0,
 242                                        0x0124, 1,
 243                                        0x0128, 2);
 244         }
 245
 246         PUSH_NVSQ(push, NV04A, 0x0000, nfbdev->gdi.handle);
 247         PUSH_NVSQ(push, NV04A, 0x0198, nfbdev->surf2d.handle);
 248         PUSH_NVSQ(push, NV04A, 0x0188, nfbdev->patt.handle,
 249                                0x018c, nfbdev->rop.handle);
 250         PUSH_NVSQ(push, NV04A, 0x0304, 1);
 251         PUSH_NVSQ(push, NV04A, 0x0300, rect_fmt);
 252         PUSH_NVSQ(push, NV04A, 0x02fc, 3);
 253
 254         PUSH_KICK(push);
 255         return 0;
 256 }
 257