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linux-sg2042/drivers/gpu/drm/nouveau/nvc0_fbcon.c

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/*
* Copyright 2010 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Ben Skeggs
*/
#include "nouveau_drm.h"
#include "nouveau_dma.h"
#include "nouveau_fbcon.h"
int
nvc0_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct nouveau_fbdev *nfbdev = info->par;
struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
struct nouveau_channel *chan = drm->channel;
int ret;
ret = RING_SPACE(chan, rect->rop == ROP_COPY ? 7 : 11);
if (ret)
return ret;
if (rect->rop != ROP_COPY) {
BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
OUT_RING (chan, 1);
}
BEGIN_NVC0(chan, NvSub2D, 0x0588, 1);
if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR)
OUT_RING (chan, ((uint32_t *)info->pseudo_palette)[rect->color]);
else
OUT_RING (chan, rect->color);
BEGIN_NVC0(chan, NvSub2D, 0x0600, 4);
OUT_RING (chan, rect->dx);
OUT_RING (chan, rect->dy);
OUT_RING (chan, rect->dx + rect->width);
OUT_RING (chan, rect->dy + rect->height);
if (rect->rop != ROP_COPY) {
BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
OUT_RING (chan, 3);
}
FIRE_RING(chan);
return 0;
}
int
nvc0_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct nouveau_fbdev *nfbdev = info->par;
struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
struct nouveau_channel *chan = drm->channel;
int ret;
ret = RING_SPACE(chan, 12);
if (ret)
return ret;
BEGIN_NVC0(chan, NvSub2D, 0x0110, 1);
OUT_RING (chan, 0);
BEGIN_NVC0(chan, NvSub2D, 0x08b0, 4);
OUT_RING (chan, region->dx);
OUT_RING (chan, region->dy);
OUT_RING (chan, region->width);
OUT_RING (chan, region->height);
BEGIN_NVC0(chan, NvSub2D, 0x08d0, 4);
OUT_RING (chan, 0);
OUT_RING (chan, region->sx);
OUT_RING (chan, 0);
OUT_RING (chan, region->sy);
FIRE_RING(chan);
return 0;
}
int
nvc0_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct nouveau_fbdev *nfbdev = info->par;
struct nouveau_drm *drm = nouveau_drm(nfbdev->dev);
struct nouveau_channel *chan = drm->channel;
uint32_t width, dwords, *data = (uint32_t *)image->data;
uint32_t mask = ~(~0 >> (32 - info->var.bits_per_pixel));
uint32_t *palette = info->pseudo_palette;
int ret;
if (image->depth != 1)
return -ENODEV;
ret = RING_SPACE(chan, 11);
if (ret)
return ret;
width = ALIGN(image->width, 32);
dwords = (width * image->height) >> 5;
BEGIN_NVC0(chan, NvSub2D, 0x0814, 2);
if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
OUT_RING (chan, palette[image->bg_color] | mask);
OUT_RING (chan, palette[image->fg_color] | mask);
} else {
OUT_RING (chan, image->bg_color);
OUT_RING (chan, image->fg_color);
}
BEGIN_NVC0(chan, NvSub2D, 0x0838, 2);
OUT_RING (chan, image->width);
OUT_RING (chan, image->height);
BEGIN_NVC0(chan, NvSub2D, 0x0850, 4);
OUT_RING (chan, 0);
OUT_RING (chan, image->dx);
OUT_RING (chan, 0);
OUT_RING (chan, image->dy);
while (dwords) {
int push = dwords > 2047 ? 2047 : dwords;
ret = RING_SPACE(chan, push + 1);
if (ret)
return ret;
dwords -= push;
BEGIN_NIC0(chan, NvSub2D, 0x0860, push);
OUT_RINGp(chan, data, push);
data += push;
}
FIRE_RING(chan);
return 0;
}
int
nvc0_fbcon_accel_init(struct fb_info *info)
{
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->dev;
struct nouveau_framebuffer *fb = &nfbdev->nouveau_fb;
struct nouveau_drm *drm = nouveau_drm(dev);
struct nouveau_channel *chan = drm->channel;
struct nouveau_object *object;
int ret, format;
ret = nouveau_object_new(nv_object(chan->cli), NVDRM_CHAN, Nv2D,
0x902d, NULL, 0, &object);
if (ret)
return ret;
switch (info->var.bits_per_pixel) {
case 8:
format = 0xf3;
break;
case 15:
format = 0xf8;
break;
case 16:
format = 0xe8;
break;
case 32:
switch (info->var.transp.length) {
case 0: /* depth 24 */
case 8: /* depth 32, just use 24.. */
format = 0xe6;
break;
case 2: /* depth 30 */
format = 0xd1;
break;
default:
return -EINVAL;
}
break;
default:
return -EINVAL;
}
ret = RING_SPACE(chan, 60);
if (ret) {
WARN_ON(1);
nouveau_fbcon_gpu_lockup(info);
return ret;
}
BEGIN_NVC0(chan, NvSub2D, 0x0000, 1);
OUT_RING (chan, 0x0000902d);
BEGIN_NVC0(chan, NvSub2D, 0x0290, 1);
OUT_RING (chan, 0);
BEGIN_NVC0(chan, NvSub2D, 0x0888, 1);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x02ac, 1);
OUT_RING (chan, 3);
BEGIN_NVC0(chan, NvSub2D, 0x02a0, 1);
OUT_RING (chan, 0x55);
BEGIN_NVC0(chan, NvSub2D, 0x08c0, 4);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x0580, 2);
OUT_RING (chan, 4);
OUT_RING (chan, format);
BEGIN_NVC0(chan, NvSub2D, 0x02e8, 2);
OUT_RING (chan, 2);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x0804, 1);
OUT_RING (chan, format);
BEGIN_NVC0(chan, NvSub2D, 0x0800, 1);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x0808, 3);
OUT_RING (chan, 0);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x081c, 1);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x0840, 4);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
BEGIN_NVC0(chan, NvSub2D, 0x0200, 10);
OUT_RING (chan, format);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, info->fix.line_length);
OUT_RING (chan, info->var.xres_virtual);
OUT_RING (chan, info->var.yres_virtual);
OUT_RING (chan, upper_32_bits(fb->vma.offset));
OUT_RING (chan, lower_32_bits(fb->vma.offset));
BEGIN_NVC0(chan, NvSub2D, 0x0230, 10);
OUT_RING (chan, format);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, 1);
OUT_RING (chan, 0);
OUT_RING (chan, info->fix.line_length);
OUT_RING (chan, info->var.xres_virtual);
OUT_RING (chan, info->var.yres_virtual);
OUT_RING (chan, upper_32_bits(fb->vma.offset));
OUT_RING (chan, lower_32_bits(fb->vma.offset));
FIRE_RING (chan);
return 0;
}
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