static void tegra_dc_blend_parallel(struct tegra_dc *dc,
struct tegra_dc_blend *blend)
{
int win_num = dc->gen1_blend_num;
unsigned long mask = BIT(win_num) - 1;
tegra_dc_io_start(dc);
while (mask) {
int idx = get_topmost_window(blend->z, &mask, win_num);
tegra_dc_writel(dc, WINDOW_A_SELECT << idx,
DC_CMD_DISPLAY_WINDOW_HEADER);
tegra_dc_writel(dc, BLEND(NOKEY, FIX, 0xff, 0xff),
DC_WIN_BLEND_NOKEY);
tegra_dc_writel(dc, BLEND(NOKEY, FIX, 0xff, 0xff),
DC_WIN_BLEND_1WIN);
tegra_dc_writel(dc, blend_2win(idx, mask, blend->flags, 0,
win_num), DC_WIN_BLEND_2WIN_X);
tegra_dc_writel(dc, blend_2win(idx, mask, blend->flags, 1,
win_num), DC_WIN_BLEND_2WIN_Y);
tegra_dc_writel(dc, blend_3win(idx, mask, blend->flags,
win_num), DC_WIN_BLEND_3WIN_XY);
}
tegra_dc_io_end(dc);
}
static void tegra_dc_set_blending(struct tegra_dc *dc, struct tegra_dc_blend *blend)
{
unsigned long mask = BIT(DC_N_WINDOWS) - 1;
while (mask) {
int idx = get_topmost_window(blend->z, &mask);
tegra_dc_writel(dc, WINDOW_A_SELECT << idx,
DC_CMD_DISPLAY_WINDOW_HEADER);
tegra_dc_writel(dc, BLEND(NOKEY, FIX, 0xff, 0xff),
DC_WIN_BLEND_NOKEY);
tegra_dc_writel(dc, BLEND(NOKEY, FIX, 0xff, 0xff),
DC_WIN_BLEND_1WIN);
tegra_dc_writel(dc, blend_2win(idx, mask, blend->flags, 0),
DC_WIN_BLEND_2WIN_X);
tegra_dc_writel(dc, blend_2win(idx, mask, blend->flags, 1),
DC_WIN_BLEND_2WIN_Y);
tegra_dc_writel(dc, blend_3win(idx, mask, blend->flags),
DC_WIN_BLEND_3WIN_XY);
}
}