Merge tag 'thermal-v5.15-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/therma...

[linux-2.6-microblaze.git] / drivers / firmware / qcom_scm.c

diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index ced1964..2ee97ba 100644 (file)
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -1147,6 +1147,64 @@ int qcom_scm_qsmmu500_wait_safe_toggle(bool en)
 }
 EXPORT_SYMBOL(qcom_scm_qsmmu500_wait_safe_toggle);
 
+bool qcom_scm_lmh_dcvsh_available(void)
+{
+       return __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_LMH, QCOM_SCM_LMH_LIMIT_DCVSH);
+}
+EXPORT_SYMBOL(qcom_scm_lmh_dcvsh_available);
+
+int qcom_scm_lmh_profile_change(u32 profile_id)
+{
+       struct qcom_scm_desc desc = {
+               .svc = QCOM_SCM_SVC_LMH,
+               .cmd = QCOM_SCM_LMH_LIMIT_PROFILE_CHANGE,
+               .arginfo = QCOM_SCM_ARGS(1, QCOM_SCM_VAL),
+               .args[0] = profile_id,
+               .owner = ARM_SMCCC_OWNER_SIP,
+       };
+
+       return qcom_scm_call(__scm->dev, &desc, NULL);
+}
+EXPORT_SYMBOL(qcom_scm_lmh_profile_change);
+
+int qcom_scm_lmh_dcvsh(u32 payload_fn, u32 payload_reg, u32 payload_val,
+                      u64 limit_node, u32 node_id, u64 version)
+{
+       dma_addr_t payload_phys;
+       u32 *payload_buf;
+       int ret, payload_size = 5 * sizeof(u32);
+
+       struct qcom_scm_desc desc = {
+               .svc = QCOM_SCM_SVC_LMH,
+               .cmd = QCOM_SCM_LMH_LIMIT_DCVSH,
+               .arginfo = QCOM_SCM_ARGS(5, QCOM_SCM_RO, QCOM_SCM_VAL, QCOM_SCM_VAL,
+                                       QCOM_SCM_VAL, QCOM_SCM_VAL),
+               .args[1] = payload_size,
+               .args[2] = limit_node,
+               .args[3] = node_id,
+               .args[4] = version,
+               .owner = ARM_SMCCC_OWNER_SIP,
+       };
+
+       payload_buf = dma_alloc_coherent(__scm->dev, payload_size, &payload_phys, GFP_KERNEL);
+       if (!payload_buf)
+               return -ENOMEM;
+
+       payload_buf[0] = payload_fn;
+       payload_buf[1] = 0;
+       payload_buf[2] = payload_reg;
+       payload_buf[3] = 1;
+       payload_buf[4] = payload_val;
+
+       desc.args[0] = payload_phys;
+
+       ret = qcom_scm_call(__scm->dev, &desc, NULL);
+
+       dma_free_coherent(__scm->dev, payload_size, payload_buf, payload_phys);
+       return ret;
+}
+EXPORT_SYMBOL(qcom_scm_lmh_dcvsh);
+
 static int qcom_scm_find_dload_address(struct device *dev, u64 *addr)
 {
        struct device_node *tcsr;