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firmware: qcom_scm: Add calls for camera

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- Add SCM API to notify secure world that a LUT should be secure.
- Add SCM API to notify secure world that camera should be secure.

Change-Id: I31b0ce2c58182f809d0875c64116436a30ce8f62
Signed-off-by: Elliot Berman <eberman@codeaurora.org>
This commit is contained in:
Elliot Berman 2019-10-14 10:01:59 -07:00
commit 0d8b273093
4 changed files with 60 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

34
drivers/firmware/qcom_scm-smc.c
View file

@ -1486,7 +1486,7 @@ int __qcom_scm_qsmmu500_wait_safe_toggle(struct device *dev, bool en)
{
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_SMMU_PROGRAM,
.cmd = QCOM_SCM_SMMU_CONFIG_ERRATA1,
.cmd = QCOM_SCM_SMMU_SECURE_LUT,
.owner = ARM_SMCCC_OWNER_SIP,
};
@ -1497,6 +1497,22 @@ int __qcom_scm_qsmmu500_wait_safe_toggle(struct device *dev, bool en)
return qcom_scm_call_atomic(dev, &desc);
}
int __qcom_scm_smmu_notify_secure_lut(struct device *dev, u64 dev_id,
bool secure)
{
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_SMMU_PROGRAM,
.cmd = QCOM_SCM_SMMU_SECURE_LUT,
.owner = ARM_SMCCC_OWNER_SIP
};
desc.args[0] = dev_id;
desc.args[1] = secure;
desc.arginfo = QCOM_SCM_ARGS(2);
return qcom_scm_call(dev, &desc);
}
int __qcom_scm_qdss_invoke(struct device *dev, phys_addr_t addr, size_t size,
u64 *out)
{
@ -1519,6 +1535,22 @@ int __qcom_scm_qdss_invoke(struct device *dev, phys_addr_t addr, size_t size,
return ret ? : desc.res[0];
}
int __qcom_scm_camera_protect_phy_lanes(struct device *dev, bool protect,
u64 regmask)
{
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_CAMERA,
.cmd = QCOM_SCM_CAMERA_PROTECT_PHY_LANES,
.owner = ARM_SMCCC_OWNER_SIP
};
desc.args[0] = protect;
desc.args[1] = regmask;
desc.arginfo = QCOM_SCM_ARGS(2);
return qcom_scm_call(dev, &desc);
}
int __qcom_scm_ice_restore_cfg(struct device *dev)
{
struct qcom_scm_desc desc = {

13
drivers/firmware/qcom_scm.c
View file

@ -672,12 +672,25 @@ int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
}
EXPORT_SYMBOL(qcom_scm_qsmmu500_wait_safe_toggle);
int qcom_scm_smmu_notify_secure_lut(u64 dev_id, bool secure)
{
return __qcom_scm_smmu_notify_secure_lut(__scm->dev, dev_id, secure);
}
EXPORT_SYMBOL(qcom_scm_smmu_notify_secure_lut);
int qcom_scm_qdss_invoke(phys_addr_t paddr, size_t size, u64 *out)
{
return __qcom_scm_qdss_invoke(__scm->dev, paddr, size, out);
}
EXPORT_SYMBOL(qcom_scm_qdss_invoke);
int qcom_scm_camera_protect_phy_lanes(bool protect, u64 regmask)
{
return __qcom_scm_camera_protect_phy_lanes(__scm->dev, protect,
regmask);
}
EXPORT_SYMBOL(qcom_scm_camera_protect_phy_lanes);
int qcom_scm_ice_restore_cfg(void)
{
return __qcom_scm_ice_restore_cfg(__scm->dev);

9
drivers/firmware/qcom_scm.h
View file

@ -154,11 +154,13 @@ extern int __qcom_scm_hdcp_req(struct device *dev,
#define QCOM_SCM_SVC_SMMU_PROGRAM 0x15
#define QCOM_SCM_SMMU_CHANGE_PGTBL_FORMAT 0x01
#define QCOM_SCM_SMMU_CONFIG_ERRATA1 0x3
#define QCOM_SCM_SMMU_SECURE_LUT 0x03
extern int __qcom_scm_smmu_change_pgtbl_format(struct device *dev, u64 dev_id,
int cbndx);
extern int __qcom_scm_qsmmu500_wait_safe_toggle(struct device *dev,
bool enable);
extern int __qcom_scm_smmu_notify_secure_lut(struct device *dev, u64 dev_id,
bool secure);
#define QCOM_SCM_SMMU_CONFIG_ERRATA1_CLIENT_ALL 0x2
#define QCOM_SCM_SVC_QDSS 0x16
@ -166,6 +168,11 @@ extern int __qcom_scm_qsmmu500_wait_safe_toggle(struct device *dev,
extern int __qcom_scm_qdss_invoke(struct device *dev, phys_addr_t addr,
size_t size, u64 *out);
#define QCOM_SCM_SVC_CAMERA 0x18
#define QCOM_SCM_CAMERA_PROTECT_PHY_LANES 0x07
extern int __qcom_scm_camera_protect_phy_lanes(struct device *dev,
bool protect, u64 regmask);
// TOS Services and Function IDs
#define QCOM_SCM_SVC_QSEELOG 0x01
#define QCOM_SCM_QSEELOG_REGISTER 0x06

6
include/linux/qcom_scm.h
View file

@ -97,7 +97,9 @@ extern int qcom_scm_create_shm_bridge(u64 pfn_and_ns_perm_flags,
u64 ns_vmids, u64 *handle);
extern int qcom_scm_smmu_change_pgtbl_format(u64 dev_id, int cbndx);
extern int qcom_scm_qsmmu500_wait_safe_toggle(bool en);
extern int qcom_scm_smmu_notify_secure_lut(u64 dev_id, bool secure);
extern int qcom_scm_qdss_invoke(phys_addr_t addr, size_t size, u64 *out);
extern int qcom_scm_camera_protect_phy_lanes(bool protect, u64 regmask);
extern int qcom_scm_ice_restore_cfg(void);
extern int qcom_scm_get_tz_log_feat_id(u64 *version);
extern int qcom_scm_register_qsee_log_buf(phys_addr_t buf, size_t len);
@ -190,8 +192,12 @@ static inline int qcom_scm_smmu_change_pgtbl_format(u64 dev_id, int cbndx)
{ return -ENODEV; }
static inline int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
{ return -ENODEV; }
static inline int qcom_scm_smmu_notify_secure_lut(u64 dev_id, bool secure)
{ return -EINVAL; }
static inline int qcom_scm_qdss_invoke(phys_addr_t data, size_t size, u64 *out)
{ return -EINVAL; }
static inline int qcom_scm_camera_protect_phy_lanes(bool protect, u64 regmask)
{ return -EINVAL; }
static inline int qcom_scm_ice_restore_cfg(void) { return -ENODEV; }
static inline int qcom_scm_get_tz_log_feat_id(u64 *version)
{ return -ENODEV; }