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/*
* Copyright 2009 Ben Skeggs
* Copyright 2008 Stuart Bennett
*
* 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 (including the next
* paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
#include "drmP.h"
#include "nouveau_drv.h"
#include "nouveau_dma.h"
#include "nouveau_fbcon.h"
static void
nv04_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (!(info->flags & FBINFO_HWACCEL_DISABLED) && RING_SPACE(chan, 4)) {
nouveau_fbcon_gpu_lockup(info);
}
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_copyarea(info, region);
return;
}
BEGIN_RING(chan, NvSubImageBlit, 0x0300, 3);
OUT_RING(chan, (region->sy << 16) | region->sx);
OUT_RING(chan, (region->dy << 16) | region->dx);
OUT_RING(chan, (region->height << 16) | region->width);
FIRE_RING(chan);
}
static void
nv04_fbcon_fillrect(struct fb_info *info, const struct fb_fillrect *rect)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (!(info->flags & FBINFO_HWACCEL_DISABLED) && RING_SPACE(chan, 7)) {
nouveau_fbcon_gpu_lockup(info);
}
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_fillrect(info, rect);
return;
}
BEGIN_RING(chan, NvSubGdiRect, 0x02fc, 1);
OUT_RING(chan, (rect->rop != ROP_COPY) ? 1 : 3);
BEGIN_RING(chan, NvSubGdiRect, 0x03fc, 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_RING(chan, NvSubGdiRect, 0x0400, 2);
OUT_RING(chan, (rect->dx << 16) | rect->dy);
OUT_RING(chan, (rect->width << 16) | rect->height);
FIRE_RING(chan);
}
static void
nv04_fbcon_imageblit(struct fb_info *info, const struct fb_image *image)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
uint32_t fg;
uint32_t bg;
uint32_t dsize;
uint32_t width;
uint32_t *data = (uint32_t *)image->data;
if (info->state != FBINFO_STATE_RUNNING)
return;
if (image->depth != 1) {
cfb_imageblit(info, image);
return;
}
if (!(info->flags & FBINFO_HWACCEL_DISABLED) && RING_SPACE(chan, 8)) {
nouveau_fbcon_gpu_lockup(info);
}
if (info->flags & FBINFO_HWACCEL_DISABLED) {
cfb_imageblit(info, image);
return;
}
width = (image->width + 31) & ~31;
dsize = (width * image->height) >> 5;
if (info->fix.visual == FB_VISUAL_TRUECOLOR ||
info->fix.visual == FB_VISUAL_DIRECTCOLOR) {
fg = ((uint32_t *) info->pseudo_palette)[image->fg_color];
bg = ((uint32_t *) info->pseudo_palette)[image->bg_color];
} else {
fg = image->fg_color;
bg = image->bg_color;
}
BEGIN_RING(chan, NvSubGdiRect, 0x0be4, 7);
OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
OUT_RING(chan, ((image->dy + image->height) << 16) |
((image->dx + image->width) & 0xffff));
OUT_RING(chan, bg);
OUT_RING(chan, fg);
OUT_RING(chan, (image->height << 16) | image->width);
OUT_RING(chan, (image->height << 16) | width);
OUT_RING(chan, (image->dy << 16) | (image->dx & 0xffff));
while (dsize) {
int iter_len = dsize > 128 ? 128 : dsize;
if (RING_SPACE(chan, iter_len + 1)) {
nouveau_fbcon_gpu_lockup(info);
cfb_imageblit(info, image);
return;
}
BEGIN_RING(chan, NvSubGdiRect, 0x0c00, iter_len);
OUT_RINGp(chan, data, iter_len);
data += iter_len;
dsize -= iter_len;
}
FIRE_RING(chan);
}
static int
nv04_fbcon_grobj_new(struct drm_device *dev, int class, uint32_t handle)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *obj = NULL;
int ret;
ret = nouveau_gpuobj_gr_new(dev_priv->channel, class, &obj);
if (ret)
return ret;
ret = nouveau_gpuobj_ref_add(dev, dev_priv->channel, handle, obj, NULL);
if (ret)
return ret;
return 0;
}
int
nv04_fbcon_accel_init(struct fb_info *info)
{
struct nouveau_fbcon_par *par = info->par;
struct drm_device *dev = par->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan = dev_priv->channel;
const int sub = NvSubCtxSurf2D;
int surface_fmt, pattern_fmt, rect_fmt;
int ret;
switch (info->var.bits_per_pixel) {
case 8:
surface_fmt = 1;
pattern_fmt = 3;
rect_fmt = 3;
break;
case 16:
surface_fmt = 4;
pattern_fmt = 1;
rect_fmt = 1;
break;
case 32:
switch (info->var.transp.length) {
case 0: /* depth 24 */
case 8: /* depth 32 */
break;
default:
return -EINVAL;
}
surface_fmt = 6;
pattern_fmt = 3;
rect_fmt = 3;
break;
default:
return -EINVAL;
}
ret = nv04_fbcon_grobj_new(dev, dev_priv->card_type >= NV_10 ?
0x0062 : 0x0042, NvCtxSurf2D);
if (ret)
return ret;
ret = nv04_fbcon_grobj_new(dev, 0x0019, NvClipRect);
if (ret)
return ret;
ret = nv04_fbcon_grobj_new(dev, 0x0043, NvRop);
if (ret)
return ret;
ret = nv04_fbcon_grobj_new(dev, 0x0044, NvImagePatt);
if (ret)
return ret;
ret = nv04_fbcon_grobj_new(dev, 0x004a, NvGdiRect);
if (ret)
return ret;
ret = nv04_fbcon_grobj_new(dev, dev_priv->card_type >= NV_10 ?
0x009f : 0x005f, NvImageBlit);
if (ret)
return ret;
if (RING_SPACE(chan, 49)) {
nouveau_fbcon_gpu_lockup(info);
return 0;
}
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvCtxSurf2D);
BEGIN_RING(chan, sub, 0x0184, 2);
OUT_RING(chan, NvDmaFB);
OUT_RING(chan, NvDmaFB);
BEGIN_RING(chan, sub, 0x0300, 4);
OUT_RING(chan, surface_fmt);
OUT_RING(chan, info->fix.line_length | (info->fix.line_length << 16));
OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
OUT_RING(chan, info->fix.smem_start - dev->mode_config.fb_base);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvRop);
BEGIN_RING(chan, sub, 0x0300, 1);
OUT_RING(chan, 0x55);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvImagePatt);
BEGIN_RING(chan, sub, 0x0300, 8);
OUT_RING(chan, pattern_fmt);
#ifdef __BIG_ENDIAN
OUT_RING(chan, 2);
#else
OUT_RING(chan, 1);
#endif
OUT_RING(chan, 0);
OUT_RING(chan, 1);
OUT_RING(chan, ~0);
OUT_RING(chan, ~0);
OUT_RING(chan, ~0);
OUT_RING(chan, ~0);
BEGIN_RING(chan, sub, 0x0000, 1);
OUT_RING(chan, NvClipRect);
BEGIN_RING(chan, sub, 0x0300, 2);
OUT_RING(chan, 0);
OUT_RING(chan, (info->var.yres_virtual << 16) | info->var.xres_virtual);
BEGIN_RING(chan, NvSubImageBlit, 0x0000, 1);
OUT_RING(chan, NvImageBlit);
BEGIN_RING(chan, NvSubImageBlit, 0x019c, 1);
OUT_RING(chan, NvCtxSurf2D);
BEGIN_RING(chan, NvSubImageBlit, 0x02fc, 1);
OUT_RING(chan, 3);
BEGIN_RING(chan, NvSubGdiRect, 0x0000, 1);
OUT_RING(chan, NvGdiRect);
BEGIN_RING(chan, NvSubGdiRect, 0x0198, 1);
OUT_RING(chan, NvCtxSurf2D);
BEGIN_RING(chan, NvSubGdiRect, 0x0188, 2);
OUT_RING(chan, NvImagePatt);
OUT_RING(chan, NvRop);
BEGIN_RING(chan, NvSubGdiRect, 0x0304, 1);
OUT_RING(chan, 1);
BEGIN_RING(chan, NvSubGdiRect, 0x0300, 1);
OUT_RING(chan, rect_fmt);
BEGIN_RING(chan, NvSubGdiRect, 0x02fc, 1);
OUT_RING(chan, 3);
FIRE_RING(chan);
info->fbops->fb_fillrect = nv04_fbcon_fillrect;
info->fbops->fb_copyarea = nv04_fbcon_copyarea;
info->fbops->fb_imageblit = nv04_fbcon_imageblit;
return 0;
}
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