C++ (Cpp) wl1251_read32 Examples

Example #1

int wl1251_ps_elp_wakeup(struct wl1251 *wl)
{
	unsigned long timeout;
	u32 elp_reg;

	if (!wl->elp)
		return 0;

	wl1251_debug(DEBUG_PSM, "waking up chip from elp");

	timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT);

	wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP);

	elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);

	
	while (!(elp_reg & ELPCTRL_WLAN_READY)) {
		if (time_after(jiffies, timeout)) {
			wl1251_error("elp wakeup timeout");
			return -ETIMEDOUT;
		}
		msleep(1);
		elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);
	}

	wl1251_debug(DEBUG_PSM, "wakeup time: %u ms",
		     jiffies_to_msecs(jiffies) -
		     (jiffies_to_msecs(timeout) - WL1251_WAKEUP_TIMEOUT));

	wl->elp = false;

	return 0;
}

Example #2

File: wl1251_main.c Project: A2109devs/lenovo_a2109a_kernel

static void wl1251_fw_wakeup(struct wl1251 *wl)
{
	u32 elp_reg;

	elp_reg = ELPCTRL_WAKE_UP;
	wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, elp_reg);
	elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);

	if (!(elp_reg & ELPCTRL_WLAN_READY))
		wl1251_warning("WLAN not ready");
}

Example #3

File: wl1251_ps.c Project: A2109devs/lenovo_a2109a_kernel

int wl1251_ps_elp_wakeup(struct wl1251 *wl)
{
	unsigned long timeout, start;
	u32 elp_reg;

	if (!wl->elp)
		return 0;

	wl1251_debug(DEBUG_PSM, "waking up chip from elp");

	start = jiffies;
	timeout = jiffies + msecs_to_jiffies(WL1251_WAKEUP_TIMEOUT);

	wl1251_write32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR, ELPCTRL_WAKE_UP);

	elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);

	/*
	 * FIXME: we should wait for irq from chip but, as a temporary
	 * solution to simplify locking, let's poll instead
	 */
	while (!(elp_reg & ELPCTRL_WLAN_READY)) {
		if (time_after(jiffies, timeout)) {
			wl1251_error("elp wakeup timeout");
			return -ETIMEDOUT;
		}
		msleep(1);
		elp_reg = wl1251_read32(wl, HW_ACCESS_ELP_CTRL_REG_ADDR);
	}

	wl1251_debug(DEBUG_PSM, "wakeup time: %u ms",
		     jiffies_to_msecs(jiffies - start));

	wl->elp = false;

	return 0;
}

Example #4

File: wl1251_io.c Project: Medvedroid/OT_903D-kernel-2.6.35.7

u32 wl1251_reg_read32(struct wl1251 *wl, int addr)
{
	return wl1251_read32(wl, wl1251_translate_reg_addr(wl, addr));
}