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/push906f.h>
31 
32 #include <nvhw/class/cl902d.h>
33 
34 int
nvc0_fbcon_fillrect(struct fb_info * info,const struct fb_fillrect * rect)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->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 : 9);
51 	if (ret)
52 		return ret;
53 
54 	if (rect->rop != ROP_COPY) {
55 		PUSH_IMMD(push, NV902D, SET_OPERATION,
56 			  NVDEF(NV902D, SET_OPERATION, V, ROP_AND));
57 	}
58 
59 	PUSH_MTHD(push, NV902D, SET_RENDER_SOLID_PRIM_COLOR, colour);
60 
61 	PUSH_MTHD(push, NV902D, RENDER_SOLID_PRIM_POINT_SET_X(0), rect->dx,
62 				RENDER_SOLID_PRIM_POINT_Y(0), rect->dy,
63 				RENDER_SOLID_PRIM_POINT_SET_X(1), rect->dx + rect->width,
64 				RENDER_SOLID_PRIM_POINT_Y(1), rect->dy + rect->height);
65 
66 	if (rect->rop != ROP_COPY) {
67 		PUSH_IMMD(push, NV902D, SET_OPERATION,
68 			  NVDEF(NV902D, SET_OPERATION, V, SRCCOPY));
69 	}
70 
71 	PUSH_KICK(push);
72 	return 0;
73 }
74 
75 int
nvc0_fbcon_copyarea(struct fb_info * info,const struct fb_copyarea * region)76 nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
77 {
78 	struct nouveau_fbdev *nfbdev = info->par;
79 	struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
80 	struct nouveau_channel *chan = drm->channel;
81 	struct nvif_push *push = chan->chan.push;
82 	int ret;
83 
84 	ret = PUSH_WAIT(push, 11);
85 	if (ret)
86 		return ret;
87 
88 	PUSH_IMMD(push, NV902D, WAIT_FOR_IDLE, 0);
89 
90 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_MEMORY_DST_X0, region->dx,
91 				SET_PIXELS_FROM_MEMORY_DST_Y0, region->dy,
92 				SET_PIXELS_FROM_MEMORY_DST_WIDTH, region->width,
93 				SET_PIXELS_FROM_MEMORY_DST_HEIGHT, region->height);
94 
95 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_MEMORY_SRC_X0_FRAC, 0,
96 				SET_PIXELS_FROM_MEMORY_SRC_X0_INT, region->sx,
97 				SET_PIXELS_FROM_MEMORY_SRC_Y0_FRAC, 0,
98 				PIXELS_FROM_MEMORY_SRC_Y0_INT, region->sy);
99 	PUSH_KICK(push);
100 	return 0;
101 }
102 
103 int
nvc0_fbcon_imageblit(struct fb_info * info,const struct fb_image * image)104 nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
105 {
106 	struct nouveau_fbdev *nfbdev = info->par;
107 	struct nouveau_drm *drm = nouveau_drm(nfbdev->helper.dev);
108 	struct nouveau_channel *chan = drm->channel;
109 	struct nvif_push *push = chan->chan.push;
110 	uint32_t dwords, *data = (uint32_t *)image->data;
111 	uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
112 	uint32_t *palette = info->pseudo_palette, bg, fg;
113 	int ret;
114 
115 	if (image->depth != 1)
116 		return -ENODEV;
117 
118 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
119 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
120 		bg = palette[image->bg_color] | mask;
121 		fg = palette[image->fg_color] | mask;
122 	} else {
123 		bg = image->bg_color;
124 		fg = image->fg_color;
125 	}
126 
127 	ret = PUSH_WAIT(push, 11);
128 	if (ret)
129 		return ret;
130 
131 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_CPU_COLOR0, bg,
132 				SET_PIXELS_FROM_CPU_COLOR1, fg);
133 
134 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_CPU_SRC_WIDTH, image->width,
135 				SET_PIXELS_FROM_CPU_SRC_HEIGHT, image->height);
136 
137 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_CPU_DST_X0_FRAC, 0,
138 				SET_PIXELS_FROM_CPU_DST_X0_INT, image->dx,
139 				SET_PIXELS_FROM_CPU_DST_Y0_FRAC, 0,
140 				SET_PIXELS_FROM_CPU_DST_Y0_INT, image->dy);
141 
142 	dwords = ALIGN(ALIGN(image->width, 8) * image->height, 32) >> 5;
143 	while (dwords) {
144 		int count = dwords > 2047 ? 2047 : dwords;
145 
146 		ret = PUSH_WAIT(push, count + 1);
147 		if (ret)
148 			return ret;
149 
150 		dwords -= count;
151 
152 		PUSH_NINC(push, NV902D, PIXELS_FROM_CPU_DATA, data, count);
153 		data += count;
154 	}
155 
156 	PUSH_KICK(push);
157 	return 0;
158 }
159 
160 int
nvc0_fbcon_accel_init(struct fb_info * info)161 nvc0_fbcon_accel_init(struct fb_info *info)
162 {
163 	struct nouveau_fbdev *nfbdev = info->par;
164 	struct drm_device *dev = nfbdev->helper.dev;
165 	struct nouveau_drm *drm = nouveau_drm(dev);
166 	struct nouveau_channel *chan = drm->channel;
167 	struct nvif_push *push = chan->chan.push;
168 	int ret, format;
169 
170 	ret = nvif_object_ctor(&chan->user, "fbconTwoD", 0x902d, 0x902d,
171 			       NULL, 0, &nfbdev->twod);
172 	if (ret)
173 		return ret;
174 
175 	switch (info->var.bits_per_pixel) {
176 	case 8:
177 		format = NV902D_SET_DST_FORMAT_V_Y8;
178 		break;
179 	case 15:
180 		format = NV902D_SET_DST_FORMAT_V_X1R5G5B5;
181 		break;
182 	case 16:
183 		format = NV902D_SET_DST_FORMAT_V_R5G6B5;
184 		break;
185 	case 32:
186 		switch (info->var.transp.length) {
187 		case 0: /* depth 24 */
188 		case 8: /* depth 32, just use 24.. */
189 			format = NV902D_SET_DST_FORMAT_V_X8R8G8B8;
190 			break;
191 		case 2: /* depth 30 */
192 			format = NV902D_SET_DST_FORMAT_V_A2B10G10R10;
193 			break;
194 		default:
195 			return -EINVAL;
196 		}
197 		break;
198 	default:
199 		return -EINVAL;
200 	}
201 
202 	ret = PUSH_WAIT(push, 52);
203 	if (ret) {
204 		WARN_ON(1);
205 		nouveau_fbcon_gpu_lockup(info);
206 		return ret;
207 	}
208 
209 	PUSH_MTHD(push, NV902D, SET_OBJECT, nfbdev->twod.handle);
210 
211 	PUSH_MTHD(push, NV902D, SET_DST_FORMAT,
212 		  NVVAL(NV902D, SET_DST_FORMAT, V, format),
213 
214 				SET_DST_MEMORY_LAYOUT,
215 		  NVDEF(NV902D, SET_DST_MEMORY_LAYOUT, V, PITCH));
216 
217 	PUSH_MTHD(push, NV902D, SET_DST_PITCH, info->fix.line_length,
218 				SET_DST_WIDTH, info->var.xres_virtual,
219 				SET_DST_HEIGHT, info->var.yres_virtual,
220 
221 				SET_DST_OFFSET_UPPER,
222 		  NVVAL(NV902D, SET_DST_OFFSET_UPPER, V, upper_32_bits(nfbdev->vma->addr)),
223 
224 				SET_DST_OFFSET_LOWER,
225 		  NVVAL(NV902D, SET_DST_OFFSET_LOWER, V, lower_32_bits(nfbdev->vma->addr)));
226 
227 	PUSH_MTHD(push, NV902D, SET_SRC_FORMAT,
228 		  NVVAL(NV902D, SET_SRC_FORMAT, V, format),
229 
230 				SET_SRC_MEMORY_LAYOUT,
231 		  NVDEF(NV902D, SET_SRC_MEMORY_LAYOUT, V, PITCH));
232 
233 	PUSH_MTHD(push, NV902D, SET_SRC_PITCH, info->fix.line_length,
234 				SET_SRC_WIDTH, info->var.xres_virtual,
235 				SET_SRC_HEIGHT, info->var.yres_virtual,
236 
237 				SET_SRC_OFFSET_UPPER,
238 		  NVVAL(NV902D, SET_SRC_OFFSET_UPPER, V, upper_32_bits(nfbdev->vma->addr)),
239 
240 				SET_SRC_OFFSET_LOWER,
241 		  NVVAL(NV902D, SET_SRC_OFFSET_LOWER, V, lower_32_bits(nfbdev->vma->addr)));
242 
243 	PUSH_IMMD(push, NV902D, SET_CLIP_ENABLE,
244 		  NVDEF(NV902D, SET_CLIP_ENABLE, V, FALSE));
245 
246 	PUSH_IMMD(push, NV902D, SET_ROP,
247 		  NVVAL(NV902D, SET_ROP, V, 0x55));
248 
249 	PUSH_IMMD(push, NV902D, SET_OPERATION,
250 		  NVDEF(NV902D, SET_OPERATION, V, SRCCOPY));
251 
252 	PUSH_MTHD(push, NV902D, SET_MONOCHROME_PATTERN_COLOR_FORMAT,
253 		  NVDEF(NV902D, SET_MONOCHROME_PATTERN_COLOR_FORMAT, V, A8R8G8B8),
254 
255 				SET_MONOCHROME_PATTERN_FORMAT,
256 		  NVDEF(NV902D, SET_MONOCHROME_PATTERN_FORMAT, V, LE_M1));
257 
258 	PUSH_MTHD(push, NV902D, RENDER_SOLID_PRIM_MODE,
259 		  NVDEF(NV902D, RENDER_SOLID_PRIM_MODE, V, RECTS),
260 
261 				SET_RENDER_SOLID_PRIM_COLOR_FORMAT,
262 		  NVVAL(NV902D, SET_RENDER_SOLID_PRIM_COLOR_FORMAT, V, format));
263 
264 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_CPU_DATA_TYPE,
265 		  NVDEF(NV902D, SET_PIXELS_FROM_CPU_DATA_TYPE, V, INDEX),
266 
267 				SET_PIXELS_FROM_CPU_COLOR_FORMAT,
268 		  NVVAL(NV902D, SET_PIXELS_FROM_CPU_COLOR_FORMAT, V, format),
269 
270 				SET_PIXELS_FROM_CPU_INDEX_FORMAT,
271 		  NVDEF(NV902D, SET_PIXELS_FROM_CPU_INDEX_FORMAT, V, I1),
272 
273 				SET_PIXELS_FROM_CPU_MONO_FORMAT,
274 		  NVDEF(NV902D, SET_PIXELS_FROM_CPU_MONO_FORMAT, V, CGA6_M1),
275 
276 				SET_PIXELS_FROM_CPU_WRAP,
277 		  NVDEF(NV902D, SET_PIXELS_FROM_CPU_WRAP, V, WRAP_BYTE));
278 
279 	PUSH_IMMD(push, NV902D, SET_PIXELS_FROM_CPU_MONO_OPACITY,
280 		  NVDEF(NV902D, SET_PIXELS_FROM_CPU_MONO_OPACITY, V, OPAQUE));
281 
282 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_CPU_DX_DU_FRAC, 0,
283 				SET_PIXELS_FROM_CPU_DX_DU_INT, 1,
284 				SET_PIXELS_FROM_CPU_DY_DV_FRAC, 0,
285 				SET_PIXELS_FROM_CPU_DY_DV_INT, 1);
286 
287 	PUSH_IMMD(push, NV902D, SET_PIXELS_FROM_MEMORY_SAFE_OVERLAP,
288 		  NVDEF(NV902D, SET_PIXELS_FROM_MEMORY_SAFE_OVERLAP, V, TRUE));
289 
290 	PUSH_MTHD(push, NV902D, SET_PIXELS_FROM_MEMORY_DU_DX_FRAC, 0,
291 				SET_PIXELS_FROM_MEMORY_DU_DX_INT, 1,
292 				SET_PIXELS_FROM_MEMORY_DV_DY_FRAC, 0,
293 				SET_PIXELS_FROM_MEMORY_DV_DY_INT, 1);
294 	PUSH_KICK(push);
295 	return 0;
296 }
297 
298