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 "nouveau_drm.h"
26#include "nouveau_dma.h"
27#include "nouveau_fbcon.h"
28
29int
30nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
31{
32	struct nouveau_fbdev *nfbdev = info->par;
33	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
34	struct nouveau_channel *chan = drm->channel;
35	int ret;
36
37	ret = RING_SPACE(chan, 4);
38	if (ret)
39		return ret;
40
41	BEGIN_NV04(chan, NvSubImageBlit, 0x0300, 3);
42	OUT_RING(chan, (region->sy << 16) | region->sx);
43	OUT_RING(chan, (region->dy << 16) | region->dx);
44	OUT_RING(chan, (region->height << 16) | region->width);
45	FIRE_RING(chan);
46	return 0;
47}
48
49int
50nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
51{
52	struct nouveau_fbdev *nfbdev = info->par;
53	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
54	struct nouveau_channel *chan = drm->channel;
55	int ret;
56
57	ret = RING_SPACE(chan, 7);
58	if (ret)
59		return ret;
60
61	BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1);
62	OUT_RING(chan, (rect->rop != ROP_COPY) ? 1 : 3);
63	BEGIN_NV04(chan, NvSubGdiRect, 0x03fc, 1);
64	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
65	    info->fix.visual == FB_VISUAL_DIRECTCOLOR)
66		OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
67	else
68		OUT_RING(chan, rect->color);
69	BEGIN_NV04(chan, NvSubGdiRect, 0x0400, 2);
70	OUT_RING(chan, (rect->dx << 16) | rect->dy);
71	OUT_RING(chan, (rect->width << 16) | rect->height);
72	FIRE_RING(chan);
73	return 0;
74}
75
76int
77nv04_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->dev);
81	struct nouveau_channel *chan = drm->channel;
82	uint32_t fg;
83	uint32_t bg;
84	uint32_t dsize;
85	uint32_t *data = (uint32_t *)image->data;
86	int ret;
87
88	if (image->depth != 1)
89		return -ENODEV;
90
91	ret = RING_SPACE(chan, 8);
92	if (ret)
93		return ret;
94
95	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
96	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
97		fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
98		bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
99	} else {
100		fg = image->fg_color;
101		bg = image->bg_color;
102	}
103
104	BEGIN_NV04(chan, NvSubGdiRect, 0x0be4, 7);
105	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
106	OUT_RING(chan, ((image->dy + image->height) << 16) |
107			 ((image->dx + image->width) & 0xffff));
108	OUT_RING(chan, bg);
109	OUT_RING(chan, fg);
110	OUT_RING(chan, (image->height << 16) | image->width);
111	OUT_RING(chan, (image->height << 16) | image->width);
112	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
113
114	dsize = ALIGN(image->width * image->height, 32) >> 5;
115	while (dsize) {
116		int iter_len = dsize > 128 ? 128 : dsize;
117
118		ret = RING_SPACE(chan, iter_len + 1);
119		if (ret)
120			return ret;
121
122		BEGIN_NV04(chan, NvSubGdiRect, 0x0c00, iter_len);
123		OUT_RINGp(chan, data, iter_len);
124		data += iter_len;
125		dsize -= iter_len;
126	}
127
128	FIRE_RING(chan);
129	return 0;
130}
131
132int
133nv04_fbcon_accel_init(struct fb_info *info)
134{
135	struct nouveau_fbdev *nfbdev = info->par;
136	struct drm_device *dev = nfbdev->dev;
137	struct nouveau_drm *drm = nouveau_drm(dev);
138	struct nouveau_channel *chan = drm->channel;
139	struct nvif_device *device = &drm->device;
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_init(chan->object, NULL, 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_init(chan->object, NULL, 0x0019, 0x0019, NULL, 0,
178			       &nfbdev->clip);
179	if (ret)
180		return ret;
181
182	ret = nvif_object_init(chan->object, NULL, 0x0043, 0x0043, NULL, 0,
183			       &nfbdev->rop);
184	if (ret)
185		return ret;
186
187	ret = nvif_object_init(chan->object, NULL, 0x0044, 0x0044, NULL, 0,
188			       &nfbdev->patt);
189	if (ret)
190		return ret;
191
192	ret = nvif_object_init(chan->object, NULL, 0x004a, 0x004a, NULL, 0,
193			       &nfbdev->gdi);
194	if (ret)
195		return ret;
196
197	ret = nvif_object_init(chan->object, NULL, 0x005f,
198			       device->info.chipset >= 0x11 ? 0x009f : 0x005f,
199			       NULL, 0, &nfbdev->blit);
200	if (ret)
201		return ret;
202
203	if (RING_SPACE(chan, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) {
204		nouveau_fbcon_gpu_lockup(info);
205		return 0;
206	}
207
208	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
209	OUT_RING(chan, nfbdev->surf2d.handle);
210	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0184, 2);
211	OUT_RING(chan, chan->vram.handle);
212	OUT_RING(chan, chan->vram.handle);
213	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 4);
214	OUT_RING(chan, surface_fmt);
215	OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16));
216	OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
217	OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
218
219	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
220	OUT_RING(chan, nfbdev->rop.handle);
221	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 1);
222	OUT_RING(chan, 0x55);
223
224	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
225	OUT_RING(chan, nfbdev->patt.handle);
226	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 8);
227	OUT_RING(chan, pattern_fmt);
228#ifdef __BIG_ENDIAN
229	OUT_RING(chan, 2);
230#else
231	OUT_RING(chan, 1);
232#endif
233	OUT_RING(chan, 0);
234	OUT_RING(chan, 1);
235	OUT_RING(chan, ~0);
236	OUT_RING(chan, ~0);
237	OUT_RING(chan, ~0);
238	OUT_RING(chan, ~0);
239
240	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
241	OUT_RING(chan, nfbdev->clip.handle);
242	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 2);
243	OUT_RING(chan, 0);
244	OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual);
245
246	BEGIN_NV04(chan, NvSubImageBlit, 0x0000, 1);
247	OUT_RING(chan, nfbdev->blit.handle);
248	BEGIN_NV04(chan, NvSubImageBlit, 0x019c, 1);
249	OUT_RING(chan, nfbdev->surf2d.handle);
250	BEGIN_NV04(chan, NvSubImageBlit, 0x02fc, 1);
251	OUT_RING(chan, 3);
252	if (device->info.chipset >= 0x11 /*XXX: oclass == 0x009f*/) {
253		BEGIN_NV04(chan, NvSubImageBlit, 0x0120, 3);
254		OUT_RING(chan, 0);
255		OUT_RING(chan, 1);
256		OUT_RING(chan, 2);
257	}
258
259	BEGIN_NV04(chan, NvSubGdiRect, 0x0000, 1);
260	OUT_RING(chan, nfbdev->gdi.handle);
261	BEGIN_NV04(chan, NvSubGdiRect, 0x0198, 1);
262	OUT_RING(chan, nfbdev->surf2d.handle);
263	BEGIN_NV04(chan, NvSubGdiRect, 0x0188, 2);
264	OUT_RING(chan, nfbdev->patt.handle);
265	OUT_RING(chan, nfbdev->rop.handle);
266	BEGIN_NV04(chan, NvSubGdiRect, 0x0304, 1);
267	OUT_RING(chan, 1);
268	BEGIN_NV04(chan, NvSubGdiRect, 0x0300, 1);
269	OUT_RING(chan, rect_fmt);
270	BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1);
271	OUT_RING(chan, 3);
272
273	FIRE_RING(chan);
274
275	return 0;
276}
277
278