nouveau_nvc0_fbcon.c revision 1.1.1.2
1 /* $NetBSD: nouveau_nvc0_fbcon.c,v 1.1.1.2 2018/08/27 01:34:55 riastradh Exp $ */ 2 3 /* 4 * Copyright 2010 Red Hat Inc. 5 * 6 * Permission is hereby granted, free of charge, to any person obtaining a 7 * copy of this software and associated documentation files (the "Software"), 8 * to deal in the Software without restriction, including without limitation 9 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 10 * and/or sell copies of the Software, and to permit persons to whom the 11 * Software is furnished to do so, subject to the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included in 14 * all copies or substantial portions of the 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 22 * OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Authors: Ben Skeggs 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: nouveau_nvc0_fbcon.c,v 1.1.1.2 2018/08/27 01:34:55 riastradh Exp $"); 29 30 #include "nouveau_drm.h" 31 #include "nouveau_dma.h" 32 #include "nouveau_fbcon.h" 33 34 int 35 nvc0_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->dev); 39 struct nouveau_channel *chan = drm->channel; 40 int ret; 41 42 ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11); 43 if (ret) 44 return ret; 45 46 if (rect->rop != ROP_COPY) { 47 BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1); 48 OUT_RING (chan, 1); 49 } 50 BEGIN_NVC0(chan, NvSub2D, 0x0588, 1); 51 if (info->fix.visual == FB_VISUAL_TRUECOLOR || 52 info->fix.visual == FB_VISUAL_DIRECTCOLOR) 53 OUT_RING (chan, ((uint32_t *)info->pseudo_palette)[rect->color]); 54 else 55 OUT_RING (chan, rect->color); 56 BEGIN_NVC0(chan, NvSub2D, 0x0600, 4); 57 OUT_RING (chan, rect->dx); 58 OUT_RING (chan, rect->dy); 59 OUT_RING (chan, rect->dx + rect->width); 60 OUT_RING (chan, rect->dy + rect->height); 61 if (rect->rop != ROP_COPY) { 62 BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1); 63 OUT_RING (chan, 3); 64 } 65 FIRE_RING(chan); 66 return 0; 67 } 68 69 int 70 nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region) 71 { 72 struct nouveau_fbdev *nfbdev = info->par; 73 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev); 74 struct nouveau_channel *chan = drm->channel; 75 int ret; 76 77 ret = RING_SPACE(chan, 12); 78 if (ret) 79 return ret; 80 81 BEGIN_NVC0(chan, NvSub2D, 0x0110, 1); 82 OUT_RING (chan, 0); 83 BEGIN_NVC0(chan, 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, 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 97 int 98 nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image) 99 { 100 struct nouveau_fbdev *nfbdev = info->par; 101 struct nouveau_drm *drm = nouveau_drm(nfbdev->dev); 102 struct nouveau_channel *chan = drm->channel; 103 uint32_t dwords, *data = (uint32_t *)image->data; 104 uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel)); 105 uint32_t *palette = info->pseudo_palette; 106 int ret; 107 108 if (image->depth != 1) 109 return -ENODEV; 110 111 ret = RING_SPACE(chan, 11); 112 if (ret) 113 return ret; 114 115 BEGIN_NVC0(chan, NvSub2D, 0x0814, 2); 116 if (info->fix.visual == FB_VISUAL_TRUECOLOR || 117 info->fix.visual == FB_VISUAL_DIRECTCOLOR) { 118 OUT_RING (chan, palette[image->bg_color] | mask); 119 OUT_RING (chan, palette[image->fg_color] | mask); 120 } else { 121 OUT_RING (chan, image->bg_color); 122 OUT_RING (chan, image->fg_color); 123 } 124 BEGIN_NVC0(chan, NvSub2D, 0x0838, 2); 125 OUT_RING (chan, image->width); 126 OUT_RING (chan, image->height); 127 BEGIN_NVC0(chan, NvSub2D, 0x0850, 4); 128 OUT_RING (chan, 0); 129 OUT_RING (chan, image->dx); 130 OUT_RING (chan, 0); 131 OUT_RING (chan, image->dy); 132 133 dwords = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5; 134 while (dwords) { 135 int push = dwords > 2047 ? 2047 : dwords; 136 137 ret = RING_SPACE(chan, push + 1); 138 if (ret) 139 return ret; 140 141 dwords -= push; 142 143 BEGIN_NIC0(chan, NvSub2D, 0x0860, push); 144 OUT_RINGp(chan, data, push); 145 data += push; 146 } 147 148 FIRE_RING(chan); 149 return 0; 150 } 151 152 int 153 nvc0_fbcon_accel_init(struct fb_info *info) 154 { 155 struct nouveau_fbdev *nfbdev = info->par; 156 struct drm_device *dev = nfbdev->dev; 157 struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb; 158 struct nouveau_drm *drm = nouveau_drm(dev); 159 struct nouveau_channel *chan = drm->channel; 160 int ret, format; 161 162 ret = nvif_object_init(&chan->user, 0x902d, 0x902d, NULL, 0, 163 &nfbdev->twod); 164 if (ret) 165 return ret; 166 167 switch (info->var.bits_per_pixel) { 168 case 8: 169 format = 0xf3; 170 break; 171 case 15: 172 format = 0xf8; 173 break; 174 case 16: 175 format = 0xe8; 176 break; 177 case 32: 178 switch (info->var.transp.length) { 179 case 0: /* depth 24 */ 180 case 8: /* depth 32, just use 24.. */ 181 format = 0xe6; 182 break; 183 case 2: /* depth 30 */ 184 format = 0xd1; 185 break; 186 default: 187 return -EINVAL; 188 } 189 break; 190 default: 191 return -EINVAL; 192 } 193 194 ret = RING_SPACE(chan, 58); 195 if (ret) { 196 WARN_ON(1); 197 nouveau_fbcon_gpu_lockup(info); 198 return ret; 199 } 200 201 BEGIN_NVC0(chan, NvSub2D, 0x0000, 1); 202 OUT_RING (chan, nfbdev->twod.handle); 203 BEGIN_NVC0(chan, NvSub2D, 0x0290, 1); 204 OUT_RING (chan, 0); 205 BEGIN_NVC0(chan, NvSub2D, 0x0888, 1); 206 OUT_RING (chan, 1); 207 BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1); 208 OUT_RING (chan, 3); 209 BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1); 210 OUT_RING (chan, 0x55); 211 BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4); 212 OUT_RING (chan, 0); 213 OUT_RING (chan, 1); 214 OUT_RING (chan, 0); 215 OUT_RING (chan, 1); 216 BEGIN_NVC0(chan, NvSub2D, 0x0580, 2); 217 OUT_RING (chan, 4); 218 OUT_RING (chan, format); 219 BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2); 220 OUT_RING (chan, 2); 221 OUT_RING (chan, 1); 222 223 BEGIN_NVC0(chan, NvSub2D, 0x0804, 1); 224 OUT_RING (chan, format); 225 BEGIN_NVC0(chan, NvSub2D, 0x0800, 1); 226 OUT_RING (chan, 1); 227 BEGIN_NVC0(chan, NvSub2D, 0x0808, 3); 228 OUT_RING (chan, 0); 229 OUT_RING (chan, 0); 230 OUT_RING (chan, 1); 231 BEGIN_NVC0(chan, NvSub2D, 0x081c, 1); 232 OUT_RING (chan, 1); 233 BEGIN_NVC0(chan, NvSub2D, 0x0840, 4); 234 OUT_RING (chan, 0); 235 OUT_RING (chan, 1); 236 OUT_RING (chan, 0); 237 OUT_RING (chan, 1); 238 BEGIN_NVC0(chan, NvSub2D, 0x0200, 10); 239 OUT_RING (chan, format); 240 OUT_RING (chan, 1); 241 OUT_RING (chan, 0); 242 OUT_RING (chan, 1); 243 OUT_RING (chan, 0); 244 OUT_RING (chan, info->fix.line_length); 245 OUT_RING (chan, info->var.xres_virtual); 246 OUT_RING (chan, info->var.yres_virtual); 247 OUT_RING (chan, upper_32_bits(fb->vma.offset)); 248 OUT_RING (chan, lower_32_bits(fb->vma.offset)); 249 BEGIN_NVC0(chan, NvSub2D, 0x0230, 10); 250 OUT_RING (chan, format); 251 OUT_RING (chan, 1); 252 OUT_RING (chan, 0); 253 OUT_RING (chan, 1); 254 OUT_RING (chan, 0); 255 OUT_RING (chan, info->fix.line_length); 256 OUT_RING (chan, info->var.xres_virtual); 257 OUT_RING (chan, info->var.yres_virtual); 258 OUT_RING (chan, upper_32_bits(fb->vma.offset)); 259 OUT_RING (chan, lower_32_bits(fb->vma.offset)); 260 FIRE_RING (chan); 261 262 return 0; 263 } 264 265
Indexes created Mon Oct 27 08:10:08 GMT 2025