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
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 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
nv04_fbcon_fillrect(struct fb_info * info,const struct fb_fillrect * rect)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
nv04_fbcon_imageblit(struct fb_info * info,const struct fb_image * image)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
nv04_fbcon_accel_init(struct fb_info * info)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 
258