diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/qcom_scm.c | 24 | ||||
| -rw-r--r-- | drivers/firmware/qcom_scm.h | 1 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c index e8bbf2d38ae7..7be48c1bec96 100644 --- a/drivers/firmware/qcom_scm.c +++ b/drivers/firmware/qcom_scm.c @@ -756,6 +756,30 @@ int qcom_scm_iommu_secure_ptbl_init(u64 addr, u32 size, u32 spare) } EXPORT_SYMBOL(qcom_scm_iommu_secure_ptbl_init); +int qcom_scm_mem_protect_video_var(u32 cp_start, u32 cp_size, + u32 cp_nonpixel_start, + u32 cp_nonpixel_size) +{ + int ret; + struct qcom_scm_desc desc = { + .svc = QCOM_SCM_SVC_MP, + .cmd = QCOM_SCM_MP_VIDEO_VAR, + .arginfo = QCOM_SCM_ARGS(4, QCOM_SCM_VAL, QCOM_SCM_VAL, + QCOM_SCM_VAL, QCOM_SCM_VAL), + .args[0] = cp_start, + .args[1] = cp_size, + .args[2] = cp_nonpixel_start, + .args[3] = cp_nonpixel_size, + .owner = ARM_SMCCC_OWNER_SIP, + }; + struct qcom_scm_res res; + + ret = qcom_scm_call(__scm->dev, &desc, &res); + + return ret ? : res.result[0]; +} +EXPORT_SYMBOL(qcom_scm_mem_protect_video_var); + static int __qcom_scm_assign_mem(struct device *dev, phys_addr_t mem_region, size_t mem_sz, phys_addr_t src, size_t src_sz, phys_addr_t dest, size_t dest_sz) diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h index 38ea614d29fe..95cd1ac30ab0 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom_scm.h @@ -97,6 +97,7 @@ extern int scm_legacy_call(struct device *dev, const struct qcom_scm_desc *desc, #define QCOM_SCM_MP_RESTORE_SEC_CFG 0x02 #define QCOM_SCM_MP_IOMMU_SECURE_PTBL_SIZE 0x03 #define QCOM_SCM_MP_IOMMU_SECURE_PTBL_INIT 0x04 +#define QCOM_SCM_MP_VIDEO_VAR 0x08 #define QCOM_SCM_MP_ASSIGN 0x16 #define QCOM_SCM_SVC_OCMEM 0x0f |