mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 04:03:58 +08:00
9626b6993b
HDCP driver needs to check if secure environment supports HDCP. If it's supported, then it requires to program some registers through SCM. Add qcom_scm_hdcp_available and qcom_scm_hdcp_req to support these requirements. Signed-off-by: Jilai Wang <jilaiw@codeaurora.org> Signed-off-by: Kumar Gala <galak@codeaurora.org>
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Copyright (c) 2010-2015, The Linux Foundation. All rights reserved.
|
|
* Copyright (C) 2015 Linaro Ltd.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 and
|
|
* only version 2 as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*/
|
|
#ifndef __QCOM_SCM_H
|
|
#define __QCOM_SCM_H
|
|
|
|
extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
|
|
extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
|
|
|
|
#define QCOM_SCM_HDCP_MAX_REQ_CNT 5
|
|
|
|
struct qcom_scm_hdcp_req {
|
|
u32 addr;
|
|
u32 val;
|
|
};
|
|
|
|
extern bool qcom_scm_hdcp_available(void);
|
|
extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
|
|
u32 *resp);
|
|
|
|
#define QCOM_SCM_CPU_PWR_DOWN_L2_ON 0x0
|
|
#define QCOM_SCM_CPU_PWR_DOWN_L2_OFF 0x1
|
|
|
|
extern void qcom_scm_cpu_power_down(u32 flags);
|
|
|
|
#define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
|
|
|
|
extern u32 qcom_scm_get_version(void);
|
|
|
|
#endif
|