1 /* $NetBSD: nouveau_nv04_fbcon.c,v 1.4 2021/12/18 23:45:32 riastradh Exp $ */ 2 3 /* 4 * Copyright 2009 Ben Skeggs 5 * Copyright 2008 Stuart Bennett 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * DEALINGS IN THE SOFTWARE. 25 */ 26 27 #include <sys/cdefs.h> 28 __KERNEL_RCSID(0, "$NetBSD: nouveau_nv04_fbcon.c,v 1.4 2021/12/18 23:45:32 riastradh Exp $"); 29 30 #include "nouveau_drv.h" 31 #include "nouveau_dma.h" 32 #include "nouveau_fbcon.h" 33 34 int 35 nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region) 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 int ret; 41 42 ret = RING_SPACE(chan, 4); 43 if (ret) 44 return ret; 45 46 BEGIN_NV04(chan, NvSubImageBlit, 0x0300, 3); 47 OUT_RING(chan, (region->sy << 16) | region->sx); 48 OUT_RING(chan, (region->dy << 16) | region->dx); 49 OUT_RING(chan, (region->height << 16) | region->width); 50 FIRE_RING(chan); 51 return 0; 52 } 53 54 int 55 nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect) 56 { 57 struct nouveau_fbdev *nfbdev = info->par; 58 struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev); 59 struct nouveau_channel *chan = drm->channel; 60 int ret; 61 62 ret = RING_SPACE(chan, 7); 63 if (ret) 64 return ret; 65 66 BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1); 67 OUT_RING(chan, (rect->rop != ROP_COPY) ? 1 : 3); 68 BEGIN_NV04(chan, NvSubGdiRect, 0x03fc, 1); 69 if (info->fix.visual == FB_VISUAL_TRUECOLOR || 70 info->fix.visual == FB_VISUAL_DIRECTCOLOR) 71 OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]); 72 else 73 OUT_RING(chan, rect->color); 74 BEGIN_NV04(chan, NvSubGdiRect, 0x0400, 2); 75 OUT_RING(chan, (rect->dx << 16) | rect->dy); 76 OUT_RING(chan, (rect->width << 16) | rect->height); 77 FIRE_RING(chan); 78 return 0; 79 } 80 81 int 82 nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image) 83 { 84 struct nouveau_fbdev *nfbdev = info->par; 85 struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev); 86 struct nouveau_channel *chan = drm->channel; 87 uint32_t fg; 88 uint32_t bg; 89 uint32_t dsize; 90 uint32_t *data = (uint32_t *)image->data; 91 int ret; 92 93 if (image->depth != 1) 94 return -ENODEV; 95 96 ret = RING_SPACE(chan, 8); 97 if (ret) 98 return ret; 99 100 if (info->fix.visual == FB_VISUAL_TRUECOLOR || 101 info->fix.visual == FB_VISUAL_DIRECTCOLOR) { 102 fg = ((uint32_t *) info->pseudo_palette)[image->fg_color]; 103 bg = ((uint32_t *) info->pseudo_palette)[image->bg_color]; 104 } else { 105 fg = image->fg_color; 106 bg = image->bg_color; 107 } 108 109 BEGIN_NV04(chan, NvSubGdiRect, 0x0be4, 7); 110 OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff)); 111 OUT_RING(chan, ((image->dy + image->height) << 16) | 112 ((image->dx + image->width) & 0xffff)); 113 OUT_RING(chan, bg); 114 OUT_RING(chan, fg); 115 OUT_RING(chan, (image->height << 16) | ALIGN(image->width, 8)); 116 OUT_RING(chan, (image->height << 16) | image->width); 117 OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff)); 118 119 dsize = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5; 120 while (dsize) { 121 int iter_len = dsize > 128 ? 128 : dsize; 122 123 ret = RING_SPACE(chan, iter_len + 1); 124 if (ret) 125 return ret; 126 127 BEGIN_NV04(chan, NvSubGdiRect, 0x0c00, iter_len); 128 OUT_RINGp(chan, data, iter_len); 129 data += iter_len; 130 dsize -= iter_len; 131 } 132 133 FIRE_RING(chan); 134 return 0; 135 } 136 137 int 138 nv04_fbcon_accel_init(struct fb_info *info) 139 { 140 struct nouveau_fbdev *nfbdev = info->par; 141 struct drm_device *dev = nfbdev->helper.dev; 142 struct nouveau_drm *drm = nouveau_drm(dev); 143 struct nouveau_channel *chan = drm->channel; 144 struct nvif_device *device = &drm->client.device; 145 int surface_fmt, pattern_fmt, rect_fmt; 146 int ret; 147 148 switch (info->var.bits_per_pixel) { 149 case 8: 150 surface_fmt = 1; 151 pattern_fmt = 3; 152 rect_fmt = 3; 153 break; 154 case 16: 155 surface_fmt = 4; 156 pattern_fmt = 1; 157 rect_fmt = 1; 158 break; 159 case 32: 160 switch (info->var.transp.length) { 161 case 0: /* depth 24 */ 162 case 8: /* depth 32 */ 163 break; 164 default: 165 return -EINVAL; 166 } 167 168 surface_fmt = 6; 169 pattern_fmt = 3; 170 rect_fmt = 3; 171 break; 172 default: 173 return -EINVAL; 174 } 175 176 ret = nvif_object_init(&chan->user, 0x0062, 177 device->info.family >= NV_DEVICE_INFO_V0_CELSIUS ? 178 0x0062 : 0x0042, NULL, 0, &nfbdev->surf2d); 179 if (ret) 180 return ret; 181 182 ret = nvif_object_init(&chan->user, 0x0019, 0x0019, NULL, 0, 183 &nfbdev->clip); 184 if (ret) 185 return ret; 186 187 ret = nvif_object_init(&chan->user, 0x0043, 0x0043, NULL, 0, 188 &nfbdev->rop); 189 if (ret) 190 return ret; 191 192 ret = nvif_object_init(&chan->user, 0x0044, 0x0044, NULL, 0, 193 &nfbdev->patt); 194 if (ret) 195 return ret; 196 197 ret = nvif_object_init(&chan->user, 0x004a, 0x004a, NULL, 0, 198 &nfbdev->gdi); 199 if (ret) 200 return ret; 201 202 ret = nvif_object_init(&chan->user, 0x005f, 203 device->info.chipset >= 0x11 ? 0x009f : 0x005f, 204 NULL, 0, &nfbdev->blit); 205 if (ret) 206 return ret; 207 208 if (RING_SPACE(chan, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) { 209 nouveau_fbcon_gpu_lockup(info); 210 return 0; 211 } 212 213 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1); 214 OUT_RING(chan, nfbdev->surf2d.handle); 215 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0184, 2); 216 OUT_RING(chan, chan->vram.handle); 217 OUT_RING(chan, chan->vram.handle); 218 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 4); 219 OUT_RING(chan, surface_fmt); 220 OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16)); 221 OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base); 222 OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base); 223 224 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1); 225 OUT_RING(chan, nfbdev->rop.handle); 226 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 1); 227 OUT_RING(chan, 0x55); 228 229 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1); 230 OUT_RING(chan, nfbdev->patt.handle); 231 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 8); 232 OUT_RING(chan, pattern_fmt); 233 #ifdef __BIG_ENDIAN 234 OUT_RING(chan, 2); 235 #else 236 OUT_RING(chan, 1); 237 #endif 238 OUT_RING(chan, 0); 239 OUT_RING(chan, 1); 240 OUT_RING(chan, ~0); 241 OUT_RING(chan, ~0); 242 OUT_RING(chan, ~0); 243 OUT_RING(chan, ~0); 244 245 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1); 246 OUT_RING(chan, nfbdev->clip.handle); 247 BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 2); 248 OUT_RING(chan, 0); 249 OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual); 250 251 BEGIN_NV04(chan, NvSubImageBlit, 0x0000, 1); 252 OUT_RING(chan, nfbdev->blit.handle); 253 BEGIN_NV04(chan, NvSubImageBlit, 0x019c, 1); 254 OUT_RING(chan, nfbdev->surf2d.handle); 255 BEGIN_NV04(chan, NvSubImageBlit, 0x02fc, 1); 256 OUT_RING(chan, 3); 257 if (device->info.chipset >= 0x11 /*XXX: oclass == 0x009f*/) { 258 BEGIN_NV04(chan, NvSubImageBlit, 0x0120, 3); 259 OUT_RING(chan, 0); 260 OUT_RING(chan, 1); 261 OUT_RING(chan, 2); 262 } 263 264 BEGIN_NV04(chan, NvSubGdiRect, 0x0000, 1); 265 OUT_RING(chan, nfbdev->gdi.handle); 266 BEGIN_NV04(chan, NvSubGdiRect, 0x0198, 1); 267 OUT_RING(chan, nfbdev->surf2d.handle); 268 BEGIN_NV04(chan, NvSubGdiRect, 0x0188, 2); 269 OUT_RING(chan, nfbdev->patt.handle); 270 OUT_RING(chan, nfbdev->rop.handle); 271 BEGIN_NV04(chan, NvSubGdiRect, 0x0304, 1); 272 OUT_RING(chan, 1); 273 BEGIN_NV04(chan, NvSubGdiRect, 0x0300, 1); 274 OUT_RING(chan, rect_fmt); 275 BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1); 276 OUT_RING(chan, 3); 277 278 FIRE_RING(chan); 279 280 return 0; 281 } 282 283