Exemplo n.º 1
0
/**
 * qcom_scm_hdcp_available() - Check if secure environment supports HDCP.
 *
 * Return true if HDCP is supported, false if not.
 */
bool qcom_scm_hdcp_available(void)
{
	int ret;

	ret = __qcom_scm_is_call_available(QCOM_SCM_SVC_HDCP,
		QCOM_SCM_CMD_HDCP);

	return (ret > 0) ? true : false;
}
Exemplo n.º 2
0
/**
 * qcom_scm_pas_supported() - Check if the peripheral authentication service is
 *			      available for the given peripherial
 * @peripheral:	peripheral id
 *
 * Returns true if PAS is supported for this peripheral, otherwise false.
 */
bool qcom_scm_pas_supported(u32 peripheral)
{
	int ret;

	ret = __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL,
					   QCOM_SCM_PAS_IS_SUPPORTED_CMD);
	if (ret <= 0)
		return false;

	return __qcom_scm_pas_supported(__scm->dev, peripheral);
}
Exemplo n.º 3
0
/**
 * qcom_scm_hdcp_available() - Check if secure environment supports HDCP.
 *
 * Return true if HDCP is supported, false if not.
 */
bool qcom_scm_hdcp_available(void)
{
	int ret = qcom_scm_clk_enable();

	if (ret)
		return ret;

	ret = __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_HDCP,
						QCOM_SCM_CMD_HDCP);

	qcom_scm_clk_disable();

	return ret > 0 ? true : false;
}
Exemplo n.º 4
0
static void qcom_scm_set_download_mode(bool enable)
{
	bool avail;
	int ret = 0;

	avail = __qcom_scm_is_call_available(__scm->dev,
					     QCOM_SCM_SVC_BOOT,
					     QCOM_SCM_SET_DLOAD_MODE);
	if (avail) {
		ret = __qcom_scm_set_dload_mode(__scm->dev, enable);
	} else if (__scm->dload_mode_addr) {
		ret = __qcom_scm_io_writel(__scm->dev, __scm->dload_mode_addr,
					   enable ? QCOM_SCM_SET_DLOAD_MODE : 0);
	} else {
		dev_err(__scm->dev,
			"No available mechanism for setting download mode\n");
	}

	if (ret)
		dev_err(__scm->dev, "failed to set download mode: %d\n", ret);
}