diff options
Diffstat (limited to 'drivers/misc/hdcp.c')
| -rw-r--r-- | drivers/misc/hdcp.c | 30 |
1 files changed, 22 insertions, 8 deletions
diff --git a/drivers/misc/hdcp.c b/drivers/misc/hdcp.c index f19f8425c237..74449d8186d9 100644 --- a/drivers/misc/hdcp.c +++ b/drivers/misc/hdcp.c @@ -365,6 +365,9 @@ struct hdcp_lib_message_map { const char *msg_name; }; +static struct qseecom_handle *hdcp1_handle; +static bool hdcp1_supported = true; + static const char *hdcp_lib_message_name(int msg_id) { /* @@ -1168,24 +1171,35 @@ static void hdcp_lib_topology_work(struct kthread_work *work) } } +bool hdcp1_check_if_supported_load_app(void) +{ + int rc = 0; + + /* start hdcp1 app */ + if (hdcp1_supported && !hdcp1_handle) { + rc = qseecom_start_app(&hdcp1_handle, HDCP1_APP_NAME, + QSEECOM_SBUFF_SIZE); + if (rc) { + pr_err("qseecom_start_app failed %d\n", rc); + hdcp1_supported = false; + } + } + + return hdcp1_supported; +} + /* APIs exposed to all clients */ int hdcp1_set_keys(uint32_t *aksv_msb, uint32_t *aksv_lsb) { int rc = 0; struct hdcp1_key_set_req *key_set_req; struct hdcp1_key_set_rsp *key_set_rsp; - struct qseecom_handle *hdcp1_handle = NULL; if (aksv_msb == NULL || aksv_lsb == NULL) return -EINVAL; - /* start hdcp1 app */ - rc = qseecom_start_app(&hdcp1_handle, HDCP1_APP_NAME, - QSEECOM_SBUFF_SIZE); - if (rc) { - pr_err("qseecom_start_app failed %d\n", rc); - return -ENOSYS; - } + if (!hdcp1_supported || !hdcp1_handle) + return -EINVAL; /* set keys and request aksv */ key_set_req = (struct hdcp1_key_set_req *)hdcp1_handle->sbuf; |