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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.
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* Copyright (C) 2015 Linaro Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __QCOM_SCM_H
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#define __QCOM_SCM_H
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extern int qcom_scm_set_cold_boot_addr(void *entry, const cpumask_t *cpus);
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extern int qcom_scm_set_warm_boot_addr(void *entry, const cpumask_t *cpus);
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#define QCOM_SCM_HDCP_MAX_REQ_CNT 5
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struct qcom_scm_hdcp_req {
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u32 addr;
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u32 val;
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};
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extern bool qcom_scm_hdcp_available(void);
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extern int qcom_scm_hdcp_req(struct qcom_scm_hdcp_req *req, u32 req_cnt,
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u32 *resp);
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#define QCOM_SCM_CPU_PWR_DOWN_L2_ON 0x0
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#define QCOM_SCM_CPU_PWR_DOWN_L2_OFF 0x1
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extern void qcom_scm_cpu_power_down(u32 flags);
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#define QCOM_SCM_VERSION(major, minor) (((major) << 16) | ((minor) & 0xFF))
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extern u32 qcom_scm_get_version(void);
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#endif
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