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Merge "firmware: qcom_scm: Add support to read LMH data"

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This commit is contained in:
qctecmdr 2020-07-10 13:43:56 -07:00 • committed by Gerrit - the friendly Code Review server
commit 988fc3d62b
4 changed files with 47 additions and 0 deletions
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24
drivers/firmware/qcom_scm-smc.c
View file

@ -1773,6 +1773,30 @@ int __qcom_scm_lmh_get_type(struct device *dev, phys_addr_t payload,
return ret;
}
int __qcom_scm_lmh_fetch_data(struct device *dev,
u32 node_id, u32 debug_type, uint32_t *peak, uint32_t *avg)
{
int ret;
struct qcom_scm_desc desc = {
.svc = QCOM_SCM_SVC_LMH,
.cmd = QCOM_SCM_LMH_DEBUG_FETCH_DATA,
.owner = ARM_SMCCC_OWNER_SIP
};
desc.args[0] = node_id;
desc.args[1] = debug_type;
desc.arginfo = SCM_ARGS(2, QCOM_SCM_VAL, QCOM_SCM_VAL);
ret = qcom_scm_call(dev, &desc);
if (peak)
*peak = desc.res[0];
if (avg)
*avg = desc.res[1];
return ret;
}
int __qcom_scm_smmu_change_pgtbl_format(struct device *dev, u64 dev_id,
int cbndx)
{

15
drivers/firmware/qcom_scm.c
View file

@ -857,6 +857,21 @@ int qcom_scm_lmh_get_type(phys_addr_t payload, u64 payload_size,
}
EXPORT_SYMBOL(qcom_scm_lmh_get_type);
int qcom_scm_lmh_fetch_data(u32 node_id, u32 debug_type, uint32_t *peak,
uint32_t *avg)
{
int ret;
ret = __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_LMH,
QCOM_SCM_LMH_DEBUG_FETCH_DATA);
if (ret <= 0)
return ret;
return __qcom_scm_lmh_fetch_data(__scm->dev, node_id, debug_type,
peak, avg);
}
EXPORT_SYMBOL(qcom_scm_lmh_fetch_data);
int qcom_scm_smmu_change_pgtbl_format(u64 dev_id, int cbndx)
{
return __qcom_scm_smmu_change_pgtbl_format(__scm->dev, dev_id, cbndx);

3
drivers/firmware/qcom_scm.h
View file

@ -188,6 +188,7 @@ extern int __qcom_scm_hdcp_req(struct device *dev,
#define QCOM_SCM_LMH_LIMIT_DCVSH 0x10
#define QCOM_SCM_LMH_DEBUG_READ 0x0A
#define QCOM_SCM_LMH_DEBUG_GET_TYPE 0x0B
#define QCOM_SCM_LMH_DEBUG_FETCH_DATA 0x0D
extern int __qcom_scm_lmh_read_buf_size(struct device *dev, int *size);
extern int __qcom_scm_lmh_limit_dcvsh(struct device *dev, phys_addr_t payload,
uint32_t payload_size, u64 limit_node, uint32_t node_id,
@ -200,6 +201,8 @@ extern int __qcom_scm_lmh_debug_config_write(struct device *dev, u64 cmd_id,
extern int __qcom_scm_lmh_get_type(struct device *dev, phys_addr_t payload,
u64 payload_size, u64 debug_type, uint32_t get_from,
uint32_t *size);
extern int __qcom_scm_lmh_fetch_data(struct device *dev,
u32 node_id, u32 debug_type, uint32_t *peak, uint32_t *avg);
#define QCOM_SCM_SVC_SMMU_PROGRAM 0x15
#define QCOM_SCM_SMMU_CHANGE_PGTBL_FORMAT 0x01

5
include/linux/qcom_scm.h
View file

@ -174,6 +174,8 @@ extern int qcom_scm_lmh_debug_set_config_write(phys_addr_t payload,
int payload_size, uint32_t *buf, int buf_size);
extern int qcom_scm_lmh_get_type(phys_addr_t payload, u64 payload_size,
u64 debug_type, uint32_t get_from, uint32_t *size);
extern int qcom_scm_lmh_fetch_data(u32 node_id, u32 debug_type, uint32_t *peak,
uint32_t *avg);
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);
@ -330,6 +332,9 @@ static inline int qcom_scm_lmh_debug_set_config_write(phys_addr_t payload,
static inline int qcom_scm_lmh_get_type(phys_addr_t payload, u64 payload_size,
u64 debug_type, uint32_t get_from, uint32_t *size)
{ return -ENODEV; }
static inline int qcom_scm_lmh_fetch_data(u32 node_id, u32 debug_type,
uint32_t *peak, uint32_t *avg)
{ return -ENODEV; }
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)