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 
25 #include "drmP.h"
26 #include "nouveau_drv.h"
27 #include "nouveau_dma.h"
28 #include "nouveau_ramht.h"
29 #include "nouveau_fbcon.h"
30 
31 int
nv04_fbcon_copyarea(struct fb_info * info,const struct fb_copyarea * region)32 nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
33 {
34 	struct nouveau_fbdev *nfbdev = info->par;
35 	struct drm_device *dev = nfbdev->dev;
36 	struct drm_nouveau_private *dev_priv = dev->dev_private;
37 	struct nouveau_channel *chan = dev_priv->channel;
38 	int ret;
39 
40 	ret = RING_SPACE(chan, 4);
41 	if (ret)
42 		return ret;
43 
44 	BEGIN_RING(chan, NvSubImageBlit, 0x0300, 3);
45 	OUT_RING(chan, (region->sy << 16) | region->sx);
46 	OUT_RING(chan, (region->dy << 16) | region->dx);
47 	OUT_RING(chan, (region->height << 16) | region->width);
48 	FIRE_RING(chan);
49 	return 0;
50 }
51 
52 int
nv04_fbcon_fillrect(struct fb_info * info,const struct fb_fillrect * rect)53 nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
54 {
55 	struct nouveau_fbdev *nfbdev = info->par;
56 	struct drm_device *dev = nfbdev->dev;
57 	struct drm_nouveau_private *dev_priv = dev->dev_private;
58 	struct nouveau_channel *chan = dev_priv->channel;
59 	int ret;
60 
61 	ret = RING_SPACE(chan, 7);
62 	if (ret)
63 		return ret;
64 
65 	BEGIN_RING(chan, NvSubGdiRect, 0x02fc, 1);
66 	OUT_RING(chan, (rect->rop != ROP_COPY) ? 1 : 3);
67 	BEGIN_RING(chan, NvSubGdiRect, 0x03fc, 1);
68 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
69 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR)
70 		OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
71 	else
72 		OUT_RING(chan, rect->color);
73 	BEGIN_RING(chan, NvSubGdiRect, 0x0400, 2);
74 	OUT_RING(chan, (rect->dx << 16) | rect->dy);
75 	OUT_RING(chan, (rect->width << 16) | rect->height);
76 	FIRE_RING(chan);
77 	return 0;
78 }
79 
80 int
nv04_fbcon_imageblit(struct fb_info * info,const struct fb_image * image)81 nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
82 {
83 	struct nouveau_fbdev *nfbdev = info->par;
84 	struct drm_device *dev = nfbdev->dev;
85 	struct drm_nouveau_private *dev_priv = dev->dev_private;
86 	struct nouveau_channel *chan = dev_priv->channel;
87 	uint32_t fg;
88 	uint32_t bg;
89 	uint32_t dsize;
90 	uint32_t width;
91 	uint32_t *data = (uint32_t *)image->data;
92 	int ret;
93 
94 	if (image->depth != 1)
95 		return -ENODEV;
96 
97 	ret = RING_SPACE(chan, 8);
98 	if (ret)
99 		return ret;
100 
101 	width = ALIGN(image->width, 8);
102 	dsize = ALIGN(width * image->height, 32) >> 5;
103 
104 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
105 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
106 		fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
107 		bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
108 	} else {
109 		fg = image->fg_color;
110 		bg = image->bg_color;
111 	}
112 
113 	BEGIN_RING(chan, NvSubGdiRect, 0x0be4, 7);
114 	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
115 	OUT_RING(chan, ((image->dy + image->height) << 16) |
116 			 ((image->dx + image->width) & 0xffff));
117 	OUT_RING(chan, bg);
118 	OUT_RING(chan, fg);
119 	OUT_RING(chan, (image->height << 16) | width);
120 	OUT_RING(chan, (image->height << 16) | image->width);
121 	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
122 
123 	while (dsize) {
124 		int iter_len = dsize > 128 ? 128 : dsize;
125 
126 		ret = RING_SPACE(chan, iter_len + 1);
127 		if (ret)
128 			return ret;
129 
130 		BEGIN_RING(chan, NvSubGdiRect, 0x0c00, iter_len);
131 		OUT_RINGp(chan, data, iter_len);
132 		data += iter_len;
133 		dsize -= iter_len;
134 	}
135 
136 	FIRE_RING(chan);
137 	return 0;
138 }
139 
140 int
nv04_fbcon_accel_init(struct fb_info * info)141 nv04_fbcon_accel_init(struct fb_info *info)
142 {
143 	struct nouveau_fbdev *nfbdev = info->par;
144 	struct drm_device *dev = nfbdev->dev;
145 	struct drm_nouveau_private *dev_priv = dev->dev_private;
146 	struct nouveau_channel *chan = dev_priv->channel;
147 	const int sub = NvSubCtxSurf2D;
148 	int surface_fmt, pattern_fmt, rect_fmt;
149 	int ret;
150 
151 	switch (info->var.bits_per_pixel) {
152 	case 8:
153 		surface_fmt = 1;
154 		pattern_fmt = 3;
155 		rect_fmt = 3;
156 		break;
157 	case 16:
158 		surface_fmt = 4;
159 		pattern_fmt = 1;
160 		rect_fmt = 1;
161 		break;
162 	case 32:
163 		switch (info->var.transp.length) {
164 		case 0: /* depth 24 */
165 		case 8: /* depth 32 */
166 			break;
167 		default:
168 			return -EINVAL;
169 		}
170 
171 		surface_fmt = 6;
172 		pattern_fmt = 3;
173 		rect_fmt = 3;
174 		break;
175 	default:
176 		return -EINVAL;
177 	}
178 
179 	ret = nouveau_gpuobj_gr_new(chan, NvCtxSurf2D,
180 				    dev_priv->card_type >= NV_10 ?
181 				    0x0062 : 0x0042);
182 	if (ret)
183 		return ret;
184 
185 	ret = nouveau_gpuobj_gr_new(chan, NvClipRect, 0x0019);
186 	if (ret)
187 		return ret;
188 
189 	ret = nouveau_gpuobj_gr_new(chan, NvRop, 0x0043);
190 	if (ret)
191 		return ret;
192 
193 	ret = nouveau_gpuobj_gr_new(chan, NvImagePatt, 0x0044);
194 	if (ret)
195 		return ret;
196 
197 	ret = nouveau_gpuobj_gr_new(chan, NvGdiRect, 0x004a);
198 	if (ret)
199 		return ret;
200 
201 	ret = nouveau_gpuobj_gr_new(chan, NvImageBlit,
202 				    dev_priv->chipset >= 0x11 ?
203 				    0x009f : 0x005f);
204 	if (ret)
205 		return ret;
206 
207 	if (RING_SPACE(chan, 49)) {
208 		nouveau_fbcon_gpu_lockup(info);
209 		return 0;
210 	}
211 
212 	BEGIN_RING(chan, sub, 0x0000, 1);
213 	OUT_RING(chan, NvCtxSurf2D);
214 	BEGIN_RING(chan, sub, 0x0184, 2);
215 	OUT_RING(chan, NvDmaFB);
216 	OUT_RING(chan, NvDmaFB);
217 	BEGIN_RING(chan, sub, 0x0300, 4);
218 	OUT_RING(chan, surface_fmt);
219 	OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16));
220 	OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
221 	OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
222 
223 	BEGIN_RING(chan, sub, 0x0000, 1);
224 	OUT_RING(chan, NvRop);
225 	BEGIN_RING(chan, sub, 0x0300, 1);
226 	OUT_RING(chan, 0x55);
227 
228 	BEGIN_RING(chan, sub, 0x0000, 1);
229 	OUT_RING(chan, NvImagePatt);
230 	BEGIN_RING(chan, sub, 0x0300, 8);
231 	OUT_RING(chan, pattern_fmt);
232 #ifdef __BIG_ENDIAN
233 	OUT_RING(chan, 2);
234 #else
235 	OUT_RING(chan, 1);
236 #endif
237 	OUT_RING(chan, 0);
238 	OUT_RING(chan, 1);
239 	OUT_RING(chan, ~0);
240 	OUT_RING(chan, ~0);
241 	OUT_RING(chan, ~0);
242 	OUT_RING(chan, ~0);
243 
244 	BEGIN_RING(chan, sub, 0x0000, 1);
245 	OUT_RING(chan, NvClipRect);
246 	BEGIN_RING(chan, sub, 0x0300, 2);
247 	OUT_RING(chan, 0);
248 	OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual);
249 
250 	BEGIN_RING(chan, NvSubImageBlit, 0x0000, 1);
251 	OUT_RING(chan, NvImageBlit);
252 	BEGIN_RING(chan, NvSubImageBlit, 0x019c, 1);
253 	OUT_RING(chan, NvCtxSurf2D);
254 	BEGIN_RING(chan, NvSubImageBlit, 0x02fc, 1);
255 	OUT_RING(chan, 3);
256 
257 	BEGIN_RING(chan, NvSubGdiRect, 0x0000, 1);
258 	OUT_RING(chan, NvGdiRect);
259 	BEGIN_RING(chan, NvSubGdiRect, 0x0198, 1);
260 	OUT_RING(chan, NvCtxSurf2D);
261 	BEGIN_RING(chan, NvSubGdiRect, 0x0188, 2);
262 	OUT_RING(chan, NvImagePatt);
263 	OUT_RING(chan, NvRop);
264 	BEGIN_RING(chan, NvSubGdiRect, 0x0304, 1);
265 	OUT_RING(chan, 1);
266 	BEGIN_RING(chan, NvSubGdiRect, 0x0300, 1);
267 	OUT_RING(chan, rect_fmt);
268 	BEGIN_RING(chan, NvSubGdiRect, 0x02fc, 1);
269 	OUT_RING(chan, 3);
270 
271 	FIRE_RING(chan);
272 
273 	return 0;
274 }
275 
276