static int store_user_dst(struct fimg2d_blit __user *buf,
struct fimg2d_dma *dst_buf)
{
struct fimg2d_blit blt;
struct fimg2d_clip *clp;
struct fimg2d_image dst_img;
int clp_h, bpp, stride;
int len = sizeof(struct fimg2d_image);
memset(&dst_img, 0, len);
if (copy_from_user(&blt, buf, sizeof(blt)))
return -EFAULT;
if (blt.dst)
if (copy_from_user(&dst_img, blt.dst, len))
return -EFAULT;
clp = &blt.param.clipping;
clp_h = clp->y2 - clp->y1;
bpp = bit_per_pixel(&dst_img, 0);
stride = width2bytes(dst_img.width, bpp);
dst_buf->addr = dst_img.addr.start + (stride * clp->y1);
dst_buf->size = stride * clp_h;
return 0;
}
static void inner_flush_clip_range(struct fimg2d_bltcmd *cmd)
{
struct fimg2d_blit *blt = &cmd->blt;
struct fimg2d_image *img;
struct fimg2d_clip *clp;
struct fimg2d_rect *r;
struct fimg2d_dma *c;
int i, y, clp_x, clp_w, clp_h, dir;
int x1, y1, x2, y2, bpp, stride;
unsigned long start;
clp = &blt->param.clipping;
dir = DMA_TO_DEVICE;
for (i = 0; i < MAX_IMAGES; i++) {
if (i == IMAGE_DST)
dir = DMA_BIDIRECTIONAL;
img = &cmd->image[i];
r = &img->rect;
/* 1st plane */
c = &cmd->dma[i].base;
if (!c->cached)
continue;
if (i == IMAGE_DST && clp->enable) {
x1 = clp->x1;
y1 = clp->y1;
x2 = clp->x2;
y2 = clp->y2;
} else {
x1 = r->x1;
y1 = r->y1;
x2 = r->x2;
y2 = r->y2;
}
bpp = bit_per_pixel(img, 0);
stride = width2bytes(img->width, bpp);
clp_x = pixel2offset(x1, bpp);
clp_w = width2bytes(x2 - x1, bpp);
clp_h = y2 - y1;
if (is_inner_flushrange(stride - clp_w))
fimg2d_dma_sync_inner(c->addr, c->cached, dir);
else {
for (y = 0; y < clp_h; y++) {
start = c->addr + (stride * y) + clp_x;
fimg2d_dma_sync_inner(start, clp_w, dir);
}
}
/* 2nd plane */
if (!is_yuvfmt(img->fmt))
continue;
if (img->order != P2_CRCB && img->order != P2_CBCR)
continue;
c = &cmd->dma[i].plane2;
if (!c->cached)
continue;
bpp = bit_per_pixel(img, 1);
stride = width2bytes(img->width, bpp);
clp_x = pixel2offset(x1, bpp);
clp_w = width2bytes(x2 - x1, bpp);
if (img->fmt == CF_YCBCR_420)
clp_h = (y2 - y1)/2;
else
clp_h = y2 - y1;
if (is_inner_flushrange(stride - clp_w))
fimg2d_dma_sync_inner(c->addr, c->cached, dir);
else {
for (y = 0; y < clp_h; y++) {
start = c->addr + (stride * y) + clp_x;
fimg2d_dma_sync_inner(c->addr, c->cached, dir);
}
}
}
}
static void outer_flush_clip_range(struct fimg2d_bltcmd *cmd)
{
struct mm_struct *mm;
struct fimg2d_blit *blt = &cmd->blt;
struct fimg2d_image *img;
struct fimg2d_clip *clp;
struct fimg2d_rect *r;
struct fimg2d_dma *c;
int clp_x, clp_w, clp_h, y, i, dir;
int x1, y1, x2, y2, bpp, stride;
unsigned long start;
if (WARN_ON(!cmd->ctx))
return;
mm = cmd->ctx->mm;
clp = &blt->param.clipping;
dir = CACHE_CLEAN;
for (i = 0; i < MAX_IMAGES; i++) {
img = &cmd->image[i];
/* clean pagetable on outercache */
c = &cmd->dma[i].base;
if (c->size)
fimg2d_clean_outer_pagetable(mm, c->addr, c->size);
c = &cmd->dma[i].plane2;
if (c->size)
fimg2d_clean_outer_pagetable(mm, c->addr, c->size);
if (i == IMAGE_DST)
dir = CACHE_FLUSH;
/* 1st plane */
c = &cmd->dma[i].base;
if (!c->cached)
continue;
r = &img->rect;
if (i == IMAGE_DST && clp->enable) {
x1 = clp->x1;
y1 = clp->y1;
x2 = clp->x2;
y2 = clp->y2;
} else {
x1 = r->x1;
y1 = r->y1;
x2 = r->x2;
y2 = r->y2;
}
bpp = bit_per_pixel(img, 0);
stride = width2bytes(img->width, bpp);
clp_x = pixel2offset(x1, bpp);
clp_w = width2bytes(x2 - x1, bpp);
clp_h = y2 - y1;
if (is_outer_flushrange(stride - clp_w))
fimg2d_dma_sync_outer(mm, c->addr, c->cached, dir);
else {
for (y = 0; y < clp_h; y++) {
start = c->addr + (stride * y) + clp_x;
fimg2d_dma_sync_outer(mm, start, clp_w, dir);
}
}
/* 2nd plane */
if (!is_yuvfmt(img->fmt))
continue;
if (img->order != P2_CRCB && img->order != P2_CBCR)
continue;
c = &cmd->dma[i].plane2;
if (!c->cached)
continue;
bpp = bit_per_pixel(img, 1);
stride = width2bytes(img->width, bpp);
clp_x = pixel2offset(x1, bpp);
clp_w = width2bytes(x2 - x1, bpp);
if (img->fmt == CF_YCBCR_420)
clp_h = (y2 - y1)/2;
else
clp_h = y2 - y1;
if (is_outer_flushrange(stride - clp_w))
fimg2d_dma_sync_outer(mm, c->addr, c->cached, dir);
else {
for (y = 0; y < clp_h; y++) {
start = c->addr + (stride * y) + clp_x;
fimg2d_dma_sync_outer(mm, start, clp_w, dir);
}
}
}
}
static int fimg2d_calc_dma_size(struct fimg2d_bltcmd *cmd)
{
struct fimg2d_blit *blt = &cmd->blt;
struct fimg2d_image *img;
struct fimg2d_clip *clp;
struct fimg2d_rect *r;
struct fimg2d_dma *c;
enum addr_space addr_type;
int i, y1, y2, stride, clp_h, bpp;
addr_type = blt->dst->addr.type;
if (addr_type != ADDR_USER && addr_type != ADDR_USER_CONTIG)
return -1;
clp = &blt->param.clipping;
for (i = 0; i < MAX_IMAGES; i++) {
img = &cmd->image[i];
r = &img->rect;
if (i == IMAGE_DST && clp->enable) {
y1 = clp->y1;
y2 = clp->y2;
} else {
y1 = r->y1;
y2 = r->y2;
}
/* 1st plane */
bpp = bit_per_pixel(img, 0);
stride = width2bytes(img->width, bpp);
clp_h = y2 - y1;
c = &cmd->dma[i].base;
c->addr = img->addr.start + (stride * y1);
c->size = stride * clp_h;
if (img->need_cacheopr) {
c->cached = c->size;
cmd->dma_all += c->cached;
}
if (!is_yuvfmt(img->fmt))
continue;
/* 2nd plane */
if (img->order == P2_CRCB || img->order == P2_CBCR) {
bpp = bit_per_pixel(img, 1);
stride = width2bytes(img->width, bpp);
if (img->fmt == CF_YCBCR_420)
clp_h = (y2 - y1)/2;
else
clp_h = y2 - y1;
c = &cmd->dma[i].plane2;
c->addr = img->plane2.start + (stride * y1);
c->size = stride * clp_h;
if (img->need_cacheopr) {
c->cached = c->size;
cmd->dma_all += c->cached;
}
}
}
return 0;
}
