/**
* psbfb_copyarea_accel - copyarea acceleration for /dev/fb
* @info: our framebuffer
* @a: copyarea parameters from the framebuffer core
*
* Perform a 2D copy via the accelerator
*/
static void psbfb_copyarea_accel(struct fb_info *info,
const struct fb_copyarea *a)
{
struct psb_fbdev *fbdev = info->par;
struct psb_framebuffer *psbfb = &fbdev->pfb;
struct drm_device *dev = psbfb->base.dev;
struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
struct drm_psb_private *dev_priv = dev->dev_private;
uint32_t offset;
uint32_t stride;
uint32_t src_format;
uint32_t dst_format;
if (!fb)
return;
offset = psbfb->gtt->offset;
stride = fb->pitches[0];
switch (fb->depth) {
case 8:
src_format = PSB_2D_SRC_332RGB;
dst_format = PSB_2D_DST_332RGB;
break;
case 15:
src_format = PSB_2D_SRC_555RGB;
dst_format = PSB_2D_DST_555RGB;
break;
case 16:
src_format = PSB_2D_SRC_565RGB;
dst_format = PSB_2D_DST_565RGB;
break;
case 24:
case 32:
/* this is wrong but since we don't do blending its okay */
src_format = PSB_2D_SRC_8888ARGB;
dst_format = PSB_2D_DST_8888ARGB;
break;
default:
/* software fallback */
cfb_copyarea(info, a);
return;
}
if (!gma_power_begin(dev, false)) {
cfb_copyarea(info, a);
return;
}
psb_accel_2d_copy(dev_priv,
offset, stride, src_format,
offset, stride, dst_format,
a->sx, a->sy, a->dx, a->dy, a->width, a->height);
gma_power_end(dev);
}
static void
nouveau_fbcon_copyarea(struct fb_info *info, const struct fb_copyarea *image)
{
struct nouveau_fbdev *nfbdev = info->par;
struct drm_device *dev = nfbdev->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
int ret;
if (info->state != FBINFO_STATE_RUNNING)
return;
ret = -ENODEV;
if (!in_interrupt() && !(info->flags & FBINFO_HWACCEL_DISABLED) &&
mutex_trylock(&dev_priv->channel->mutex)) {
if (dev_priv->card_type < NV_50)
ret = nv04_fbcon_copyarea(info, image);
else
if (dev_priv->card_type < NV_C0)
ret = nv50_fbcon_copyarea(info, image);
else
ret = nvc0_fbcon_copyarea(info, image);
mutex_unlock(&dev_priv->channel->mutex);
}
if (ret == 0)
return;
if (ret != -ENODEV)
nouveau_fbcon_gpu_lockup(info);
cfb_copyarea(info, image);
}
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 hvfb_cfb_copyarea(struct fb_info *p,
const struct fb_copyarea *area)
{
struct hvfb_par *par = p->par;
cfb_copyarea(p, area);
if (par->synchronous_fb)
synthvid_update(p);
}
void psbfb_copyarea(struct fb_info *info,
const struct fb_copyarea *region)
{
if (unlikely(info->state != FBINFO_STATE_RUNNING))
return;
if (info->flags & FBINFO_HWACCEL_DISABLED)
return cfb_copyarea(info, region);
/* psb_check_power_state(dev, PSB_DEVICE_SGX); */
psbfb_copyarea_accel(info, region);
/* Need to power back off here for MRST FIXMEAC */
}
/**
* psbfb_copyarea - 2D copy interface
* @info: our framebuffer
* @region: region to copy
*
* Copy an area of the framebuffer console either by the accelerator
* or directly using the cfb helpers according to the request
*/
void psbfb_copyarea(struct fb_info *info,
const struct fb_copyarea *region)
{
if (unlikely(info->state != FBINFO_STATE_RUNNING))
return;
/* Avoid the 8 pixel erratum */
if (region->width == 8 || region->height == 8 ||
(info->flags & FBINFO_HWACCEL_DISABLED))
return cfb_copyarea(info, region);
psbfb_copyarea_accel(info, region);
}
void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area)
{
struct atyfb_par *par = (struct atyfb_par *) info->par;
u32 dy = area->dy, sy = area->sy, direction = DST_LAST_PEL;
u32 sx = area->sx, dx = area->dx, width = area->width, rotation = 0;
if (par->asleep)
return;
if (!area->width || !area->height)
return;
if (!par->accel_flags) {
cfb_copyarea(info, area);
return;
}
if (info->var.bits_per_pixel == 24) {
/* In 24 bpp, the engine is in 8 bpp - this requires that all */
/* horizontal coordinates and widths must be adjusted */
sx *= 3;
dx *= 3;
width *= 3;
}
if (area->sy < area->dy) {
dy += area->height - 1;
sy += area->height - 1;
} else
direction |= DST_Y_TOP_TO_BOTTOM;
if (sx < dx) {
dx += width - 1;
sx += width - 1;
} else
direction |= DST_X_LEFT_TO_RIGHT;
if (info->var.bits_per_pixel == 24) {
rotation = rotation24bpp(dx, direction);
}
wait_for_fifo(4, par);
aty_st_le32(DP_SRC, FRGD_SRC_BLIT, par);
aty_st_le32(SRC_Y_X, (sx << 16) | sy, par);
aty_st_le32(SRC_HEIGHT1_WIDTH1, (width << 16) | area->height, par);
aty_st_le32(DST_CNTL, direction | rotation, par);
draw_rect(dx, dy, width, area->height, par);
}
void i810fb_copyarea(struct fb_info *info, const struct fb_copyarea *region)
{
struct i810fb_par *par = info->par;
u32 sx, sy, dx, dy, pitch, width, height, src, dest, xdir;
if (!info->var.accel_flags || par->dev_flags & LOCKUP ||
par->depth == 4) {
cfb_copyarea(info, region);
return;
}
dx = region->dx * par->depth;
sx = region->sx * par->depth;
width = region->width * par->depth;
sy = region->sy;
dy = region->dy;
height = region->height;
if (dx <= sx) {
xdir = INCREMENT;
}
else {
xdir = DECREMENT;
sx += width - 1;
dx += width - 1;
}
if (dy <= sy) {
pitch = info->fix.line_length;
}
else {
pitch = (-(info->fix.line_length)) & 0xFFFF;
sy += height - 1;
dy += height - 1;
}
src = info->fix.smem_start + (sy * info->fix.line_length) + sx;
dest = info->fix.smem_start + (dy * info->fix.line_length) + dx;
source_copy_blit(width, height, pitch, xdir, src, dest,
PAT_COPY_ROP, par->blit_bpp, info);
}
