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| author | jilai wang <jilaiw@codeaurora.org> | 2015-04-10 16:15:59 -0400 |
|---|---|---|
| committer | Kumar Gala <galak@codeaurora.org> | 2015-05-28 10:47:45 -0500 |
| commit | 9626b6993b2e6faf047d2d96958e8474edc9c7a5 (patch) | |
| tree | 1d6522df22f58a37088f1942460b8779cebe2d2e /include/linux/qcom_scm.h | |
| parent | b6a1dfbc7d57409accf213e78db7b059c206be9e (diff) | |
| download | lwn-9626b6993b2e6faf047d2d96958e8474edc9c7a5.tar.gz lwn-9626b6993b2e6faf047d2d96958e8474edc9c7a5.zip | |
firmware: qcom: scm: Add HDCP Support
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>
Diffstat (limited to 'include/linux/qcom_scm.h')
| -rw-r--r-- | include/linux/qcom_scm.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/include/linux/qcom_scm.h b/include/linux/qcom_scm.h index d7a974d5f57c..6e7d5ec65838 100644 --- a/include/linux/qcom_scm.h +++ b/include/linux/qcom_scm.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2010-2014, The Linux Foundation. All rights reserved. +/* 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 @@ -16,6 +16,17 @@ 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 |