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nouveau_nv50_fbcon.c revision 1.1
      1 /*	$NetBSD: nouveau_nv50_fbcon.c,v 1.1 2014/08/06 12:36:23 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2010 Red Hat Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: Ben Skeggs
     25  */
     26 
     27 #include <sys/cdefs.h>
     28 __KERNEL_RCSID(0, "$NetBSD: nouveau_nv50_fbcon.c,v 1.1 2014/08/06 12:36:23 riastradh Exp $");
     29 
     30 #include "nouveau_drm.h"
     31 #include "nouveau_dma.h"
     32 #include "nouveau_fbcon.h"
     33 
     34 int
     35 nv50_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->dev);
     39 	struct nouveau_channel *chan = drm->channel;
     40 	int ret;
     41 
     42 	ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
     43 	if (ret)
     44 		return ret;
     45 
     46 	if (rect->rop != ROP_COPY) {
     47 		BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
     48 		OUT_RING(chan, 1);
     49 	}
     50 	BEGIN_NV04(chan, NvSub2D, 0x0588, 1);
     51 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
     52 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR)
     53 		OUT_RING(chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
     54 	else
     55 		OUT_RING(chan, rect->color);
     56 	BEGIN_NV04(chan, NvSub2D, 0x0600, 4);
     57 	OUT_RING(chan, rect->dx);
     58 	OUT_RING(chan, rect->dy);
     59 	OUT_RING(chan, rect->dx + rect->width);
     60 	OUT_RING(chan, rect->dy + rect->height);
     61 	if (rect->rop != ROP_COPY) {
     62 		BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
     63 		OUT_RING(chan, 3);
     64 	}
     65 	FIRE_RING(chan);
     66 	return 0;
     67 }
     68 
     69 int
     70 nv50_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
     71 {
     72 	struct nouveau_fbdev *nfbdev = info->par;
     73 	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
     74 	struct nouveau_channel *chan = drm->channel;
     75 	int ret;
     76 
     77 	ret = RING_SPACE(chan, 12);
     78 	if (ret)
     79 		return ret;
     80 
     81 	BEGIN_NV04(chan, NvSub2D, 0x0110, 1);
     82 	OUT_RING(chan, 0);
     83 	BEGIN_NV04(chan, NvSub2D, 0x08b0, 4);
     84 	OUT_RING(chan, region->dx);
     85 	OUT_RING(chan, region->dy);
     86 	OUT_RING(chan, region->width);
     87 	OUT_RING(chan, region->height);
     88 	BEGIN_NV04(chan, NvSub2D, 0x08d0, 4);
     89 	OUT_RING(chan, 0);
     90 	OUT_RING(chan, region->sx);
     91 	OUT_RING(chan, 0);
     92 	OUT_RING(chan, region->sy);
     93 	FIRE_RING(chan);
     94 	return 0;
     95 }
     96 
     97 int
     98 nv50_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
     99 {
    100 	struct nouveau_fbdev *nfbdev = info->par;
    101 	struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
    102 	struct nouveau_channel *chan = drm->channel;
    103 	uint32_t width, dwords, *data = (uint32_t *)image->data;
    104 	uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
    105 	uint32_t *palette = info->pseudo_palette;
    106 	int ret;
    107 
    108 	if (image->depth != 1)
    109 		return -ENODEV;
    110 
    111 	ret = RING_SPACE(chan, 11);
    112 	if (ret)
    113 		return ret;
    114 
    115 	width = ALIGN(image->width, 32);
    116 	dwords = (width * image->height) >> 5;
    117 
    118 	BEGIN_NV04(chan, NvSub2D, 0x0814, 2);
    119 	if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
    120 	    info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
    121 		OUT_RING(chan, palette[image->bg_color] | mask);
    122 		OUT_RING(chan, palette[image->fg_color] | mask);
    123 	} else {
    124 		OUT_RING(chan, image->bg_color);
    125 		OUT_RING(chan, image->fg_color);
    126 	}
    127 	BEGIN_NV04(chan, NvSub2D, 0x0838, 2);
    128 	OUT_RING(chan, image->width);
    129 	OUT_RING(chan, image->height);
    130 	BEGIN_NV04(chan, NvSub2D, 0x0850, 4);
    131 	OUT_RING(chan, 0);
    132 	OUT_RING(chan, image->dx);
    133 	OUT_RING(chan, 0);
    134 	OUT_RING(chan, image->dy);
    135 
    136 	while (dwords) {
    137 		int push = dwords > 2047 ? 2047 : dwords;
    138 
    139 		ret = RING_SPACE(chan, push + 1);
    140 		if (ret)
    141 			return ret;
    142 
    143 		dwords -= push;
    144 
    145 		BEGIN_NI04(chan, NvSub2D, 0x0860, push);
    146 		OUT_RINGp(chan, data, push);
    147 		data += push;
    148 	}
    149 
    150 	FIRE_RING(chan);
    151 	return 0;
    152 }
    153 
    154 int
    155 nv50_fbcon_accel_init(struct fb_info *info)
    156 {
    157 	struct nouveau_fbdev *nfbdev = info->par;
    158 	struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
    159 	struct drm_device *dev = nfbdev->dev;
    160 	struct nouveau_drm *drm = nouveau_drm(dev);
    161 	struct nouveau_channel *chan = drm->channel;
    162 	struct nouveau_object *object;
    163 	int ret, format;
    164 
    165 	switch (info->var.bits_per_pixel) {
    166 	case 8:
    167 		format = 0xf3;
    168 		break;
    169 	case 15:
    170 		format = 0xf8;
    171 		break;
    172 	case 16:
    173 		format = 0xe8;
    174 		break;
    175 	case 32:
    176 		switch (info->var.transp.length) {
    177 		case 0: /* depth 24 */
    178 		case 8: /* depth 32, just use 24.. */
    179 			format = 0xe6;
    180 			break;
    181 		case 2: /* depth 30 */
    182 			format = 0xd1;
    183 			break;
    184 		default:
    185 			return -EINVAL;
    186 		}
    187 		break;
    188 	default:
    189 		return -EINVAL;
    190 	}
    191 
    192 	ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, Nv2D,
    193 				 0x502d, NULL, 0, &object);
    194 	if (ret)
    195 		return ret;
    196 
    197 	ret = RING_SPACE(chan, 59);
    198 	if (ret) {
    199 		nouveau_fbcon_gpu_lockup(info);
    200 		return ret;
    201 	}
    202 
    203 	BEGIN_NV04(chan, NvSub2D, 0x0000, 1);
    204 	OUT_RING(chan, Nv2D);
    205 	BEGIN_NV04(chan, NvSub2D, 0x0184, 3);
    206 	OUT_RING(chan, NvDmaFB);
    207 	OUT_RING(chan, NvDmaFB);
    208 	OUT_RING(chan, NvDmaFB);
    209 	BEGIN_NV04(chan, NvSub2D, 0x0290, 1);
    210 	OUT_RING(chan, 0);
    211 	BEGIN_NV04(chan, NvSub2D, 0x0888, 1);
    212 	OUT_RING(chan, 1);
    213 	BEGIN_NV04(chan, NvSub2D, 0x02ac, 1);
    214 	OUT_RING(chan, 3);
    215 	BEGIN_NV04(chan, NvSub2D, 0x02a0, 1);
    216 	OUT_RING(chan, 0x55);
    217 	BEGIN_NV04(chan, NvSub2D, 0x08c0, 4);
    218 	OUT_RING(chan, 0);
    219 	OUT_RING(chan, 1);
    220 	OUT_RING(chan, 0);
    221 	OUT_RING(chan, 1);
    222 	BEGIN_NV04(chan, NvSub2D, 0x0580, 2);
    223 	OUT_RING(chan, 4);
    224 	OUT_RING(chan, format);
    225 	BEGIN_NV04(chan, NvSub2D, 0x02e8, 2);
    226 	OUT_RING(chan, 2);
    227 	OUT_RING(chan, 1);
    228 	BEGIN_NV04(chan, NvSub2D, 0x0804, 1);
    229 	OUT_RING(chan, format);
    230 	BEGIN_NV04(chan, NvSub2D, 0x0800, 1);
    231 	OUT_RING(chan, 1);
    232 	BEGIN_NV04(chan, NvSub2D, 0x0808, 3);
    233 	OUT_RING(chan, 0);
    234 	OUT_RING(chan, 0);
    235 	OUT_RING(chan, 1);
    236 	BEGIN_NV04(chan, NvSub2D, 0x081c, 1);
    237 	OUT_RING(chan, 1);
    238 	BEGIN_NV04(chan, NvSub2D, 0x0840, 4);
    239 	OUT_RING(chan, 0);
    240 	OUT_RING(chan, 1);
    241 	OUT_RING(chan, 0);
    242 	OUT_RING(chan, 1);
    243 	BEGIN_NV04(chan, NvSub2D, 0x0200, 2);
    244 	OUT_RING(chan, format);
    245 	OUT_RING(chan, 1);
    246 	BEGIN_NV04(chan, NvSub2D, 0x0214, 5);
    247 	OUT_RING(chan, info->fix.line_length);
    248 	OUT_RING(chan, info->var.xres_virtual);
    249 	OUT_RING(chan, info->var.yres_virtual);
    250 	OUT_RING(chan, upper_32_bits(fb->vma.offset));
    251 	OUT_RING(chan, lower_32_bits(fb->vma.offset));
    252 	BEGIN_NV04(chan, NvSub2D, 0x0230, 2);
    253 	OUT_RING(chan, format);
    254 	OUT_RING(chan, 1);
    255 	BEGIN_NV04(chan, NvSub2D, 0x0244, 5);
    256 	OUT_RING(chan, info->fix.line_length);
    257 	OUT_RING(chan, info->var.xres_virtual);
    258 	OUT_RING(chan, info->var.yres_virtual);
    259 	OUT_RING(chan, upper_32_bits(fb->vma.offset));
    260 	OUT_RING(chan, lower_32_bits(fb->vma.offset));
    261 
    262 	return 0;
    263 }
    264 
    265