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 width;
86	uint32_t *data = (uint32_t *)image->data;
87	int ret;
88
89	if (image->depth != 1)
90		return -ENODEV;
91
92	ret = RING_SPACE(chan, 8);
93	if (ret)
94		return ret;
95
96	width = ALIGN(image->width, 8);
97	dsize = ALIGN(width * image->height, 32) >> 5;
98
99	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
100	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
101		fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
102		bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
103	} else {
104		fg = image->fg_color;
105		bg = image->bg_color;
106	}
107
108	BEGIN_NV04(chan, NvSubGdiRect, 0x0be4, 7);
109	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
110	OUT_RING(chan, ((image->dy + image->height) << 16) |
111			 ((image->dx + image->width) & 0xffff));
112	OUT_RING(chan, bg);
113	OUT_RING(chan, fg);
114	OUT_RING(chan, (image->height << 16) | width);
115	OUT_RING(chan, (image->height << 16) | image->width);
116	OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
117
118	while (dsize) {
119		int iter_len = dsize > 128 ? 128 : dsize;
120
121		ret = RING_SPACE(chan, iter_len + 1);
122		if (ret)
123			return ret;
124
125		BEGIN_NV04(chan, NvSubGdiRect, 0x0c00, iter_len);
126		OUT_RINGp(chan, data, iter_len);
127		data += iter_len;
128		dsize -= iter_len;
129	}
130
131	FIRE_RING(chan);
132	return 0;
133}
134
135int
136nv04_fbcon_accel_init(struct fb_info *info)
137{
138	struct nouveau_fbdev *nfbdev = info->par;
139	struct drm_device *dev = nfbdev->dev;
140	struct nouveau_drm *drm = nouveau_drm(dev);
141	struct nouveau_channel *chan = drm->channel;
142	struct nvif_device *device = &drm->device;
143	int surface_fmt, pattern_fmt, rect_fmt;
144	int ret;
145
146	switch (info->var.bits_per_pixel) {
147	case 8:
148		surface_fmt = 1;
149		pattern_fmt = 3;
150		rect_fmt = 3;
151		break;
152	case 16:
153		surface_fmt = 4;
154		pattern_fmt = 1;
155		rect_fmt = 1;
156		break;
157	case 32:
158		switch (info->var.transp.length) {
159		case 0: /* depth 24 */
160		case 8: /* depth 32 */
161			break;
162		default:
163			return -EINVAL;
164		}
165
166		surface_fmt = 6;
167		pattern_fmt = 3;
168		rect_fmt = 3;
169		break;
170	default:
171		return -EINVAL;
172	}
173
174	ret = nvif_object_init(&chan->user, 0x0062,
175			       device->info.family >= NV_DEVICE_INFO_V0_CELSIUS ?
176			       0x0062 : 0x0042, NULL, 0, &nfbdev->surf2d);
177	if (ret)
178		return ret;
179
180	ret = nvif_object_init(&chan->user, 0x0019, 0x0019, NULL, 0,
181			       &nfbdev->clip);
182	if (ret)
183		return ret;
184
185	ret = nvif_object_init(&chan->user, 0x0043, 0x0043, NULL, 0,
186			       &nfbdev->rop);
187	if (ret)
188		return ret;
189
190	ret = nvif_object_init(&chan->user, 0x0044, 0x0044, NULL, 0,
191			       &nfbdev->patt);
192	if (ret)
193		return ret;
194
195	ret = nvif_object_init(&chan->user, 0x004a, 0x004a, NULL, 0,
196			       &nfbdev->gdi);
197	if (ret)
198		return ret;
199
200	ret = nvif_object_init(&chan->user, 0x005f,
201			       device->info.chipset >= 0x11 ? 0x009f : 0x005f,
202			       NULL, 0, &nfbdev->blit);
203	if (ret)
204		return ret;
205
206	if (RING_SPACE(chan, 49 + (device->info.chipset >= 0x11 ? 4 : 0))) {
207		nouveau_fbcon_gpu_lockup(info);
208		return 0;
209	}
210
211	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
212	OUT_RING(chan, nfbdev->surf2d.handle);
213	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0184, 2);
214	OUT_RING(chan, chan->vram.handle);
215	OUT_RING(chan, chan->vram.handle);
216	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 4);
217	OUT_RING(chan, surface_fmt);
218	OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16));
219	OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
220	OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
221
222	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
223	OUT_RING(chan, nfbdev->rop.handle);
224	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 1);
225	OUT_RING(chan, 0x55);
226
227	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
228	OUT_RING(chan, nfbdev->patt.handle);
229	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 8);
230	OUT_RING(chan, pattern_fmt);
231#ifdef __BIG_ENDIAN
232	OUT_RING(chan, 2);
233#else
234	OUT_RING(chan, 1);
235#endif
236	OUT_RING(chan, 0);
237	OUT_RING(chan, 1);
238	OUT_RING(chan, ~0);
239	OUT_RING(chan, ~0);
240	OUT_RING(chan, ~0);
241	OUT_RING(chan, ~0);
242
243	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0000, 1);
244	OUT_RING(chan, nfbdev->clip.handle);
245	BEGIN_NV04(chan, NvSubCtxSurf2D, 0x0300, 2);
246	OUT_RING(chan, 0);
247	OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual);
248
249	BEGIN_NV04(chan, NvSubImageBlit, 0x0000, 1);
250	OUT_RING(chan, nfbdev->blit.handle);
251	BEGIN_NV04(chan, NvSubImageBlit, 0x019c, 1);
252	OUT_RING(chan, nfbdev->surf2d.handle);
253	BEGIN_NV04(chan, NvSubImageBlit, 0x02fc, 1);
254	OUT_RING(chan, 3);
255	if (device->info.chipset >= 0x11 /*XXX: oclass == 0x009f*/) {
256		BEGIN_NV04(chan, NvSubImageBlit, 0x0120, 3);
257		OUT_RING(chan, 0);
258		OUT_RING(chan, 1);
259		OUT_RING(chan, 2);
260	}
261
262	BEGIN_NV04(chan, NvSubGdiRect, 0x0000, 1);
263	OUT_RING(chan, nfbdev->gdi.handle);
264	BEGIN_NV04(chan, NvSubGdiRect, 0x0198, 1);
265	OUT_RING(chan, nfbdev->surf2d.handle);
266	BEGIN_NV04(chan, NvSubGdiRect, 0x0188, 2);
267	OUT_RING(chan, nfbdev->patt.handle);
268	OUT_RING(chan, nfbdev->rop.handle);
269	BEGIN_NV04(chan, NvSubGdiRect, 0x0304, 1);
270	OUT_RING(chan, 1);
271	BEGIN_NV04(chan, NvSubGdiRect, 0x0300, 1);
272	OUT_RING(chan, rect_fmt);
273	BEGIN_NV04(chan, NvSubGdiRect, 0x02fc, 1);
274	OUT_RING(chan, 3);
275
276	FIRE_RING(chan);
277
278	return 0;
279}
280
281