Esempi in C++ (Cpp) per SHADOWCON_WINx_PROTECT

Esempio n. 1

/**
 * shadow_protect_win() - disable updating values from shadow registers at vsync
 *
 * @win: window to protect registers for
 * @protect: 1 to protect (disable updates)
 */
static void shadow_protect_win(struct s3c_fb_win *win, bool protect)
{
	struct s3c_fb *sfb = win->parent;
	u32 reg;

	if (protect) {
		if (sfb->variant.has_prtcon) {
			writel(PRTCON_PROTECT, sfb->regs + PRTCON);
		} else if (sfb->variant.has_shadowcon) {
			reg = readl(sfb->regs + SHADOWCON);
			writel(reg | SHADOWCON_WINx_PROTECT(win->index),
				sfb->regs + SHADOWCON);
		}
	} else {
		if (sfb->variant.has_prtcon) {
			writel(0, sfb->regs + PRTCON);
		} else if (sfb->variant.has_shadowcon) {
			reg = readl(sfb->regs + SHADOWCON);
			writel(reg & ~SHADOWCON_WINx_PROTECT(win->index),
				sfb->regs + SHADOWCON);
		}
	}
}

Esempio n. 2

File: decon_reg_5430.c Progetto: BigBot96/android_kernel_samsung_gts2wifi

/* prohibit shadow update during writing something to SFR */
void decon_reg_shadow_protect_win(u32 idx, u32 protect)
{
	u32 val = protect ? ~0 : 0;

	decon_write_mask(SHADOWCON, val, SHADOWCON_WINx_PROTECT(idx));
}