diff options
| author | Rob Clark <robdclark@gmail.com> | 2019-08-23 14:16:33 +0200 |
|---|---|---|
| committer | Rob Clark <robdclark@chromium.org> | 2019-10-07 17:17:18 +0200 |
| commit | b0a1614fb1f58520938968ebe1f4f11bcf34839e (patch) | |
| tree | 5f0e145ab0dc19cb904dc070e0d355085be6bce3 /drivers/firmware/qcom_scm.h | |
| parent | dt-bindings: display: msm: gmu: add optional ocmem property (diff) | |
| download | linux-b0a1614fb1f58520938968ebe1f4f11bcf34839e.tar.xz linux-b0a1614fb1f58520938968ebe1f4f11bcf34839e.zip | |
firmware: qcom: scm: add OCMEM lock/unlock interface
Add support for the OCMEM lock/unlock interface that is needed by the
On Chip MEMory (OCMEM) that is present on some Snapdragon devices.
Signed-off-by: Rob Clark <robdclark@gmail.com>
[masneyb@onstation.org: ported to latest kernel; minor reformatting.]
Signed-off-by: Brian Masney <masneyb@onstation.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Gabriel Francisco <frc.gabrielgmail.com>
Signed-off-by: Rob Clark <robdclark@chromium.org>
Diffstat (limited to 'drivers/firmware/qcom_scm.h')
| -rw-r--r-- | drivers/firmware/qcom_scm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/firmware/qcom_scm.h b/drivers/firmware/qcom_scm.h index 99506bd873c0..ef293ee67ec1 100644 --- a/drivers/firmware/qcom_scm.h +++ b/drivers/firmware/qcom_scm.h @@ -42,6 +42,15 @@ extern int __qcom_scm_hdcp_req(struct device *dev, extern void __qcom_scm_init(void); +#define QCOM_SCM_OCMEM_SVC 0xf +#define QCOM_SCM_OCMEM_LOCK_CMD 0x1 +#define QCOM_SCM_OCMEM_UNLOCK_CMD 0x2 + +extern int __qcom_scm_ocmem_lock(struct device *dev, u32 id, u32 offset, + u32 size, u32 mode); +extern int __qcom_scm_ocmem_unlock(struct device *dev, u32 id, u32 offset, + u32 size); + #define QCOM_SCM_SVC_PIL 0x2 #define QCOM_SCM_PAS_INIT_IMAGE_CMD 0x1 #define QCOM_SCM_PAS_MEM_SETUP_CMD 0x2 |