plat: xilinx: versal: Add support of register notifier
Add support of register notifier. Signed-off-by: Tejas Patel <tejas.patel@xilinx.com> Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com> Change-Id: I41ef4c63abcc9aee552790b843adb25a5fd0c23e
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@ -877,6 +877,7 @@ enum pm_ret_status pm_feature_check(uint32_t api_id, unsigned int *version)
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case PM_FEATURE_CHECK:
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case PM_FEATURE_CHECK:
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case PM_INIT_FINALIZE:
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case PM_INIT_FINALIZE:
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case PM_SET_MAX_LATENCY:
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case PM_SET_MAX_LATENCY:
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case PM_REGISTER_NOTIFIER:
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*version = (PM_API_BASE_VERSION << 16);
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*version = (PM_API_BASE_VERSION << 16);
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break;
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break;
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case PM_LOAD_PDI:
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case PM_LOAD_PDI:
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@ -962,3 +963,25 @@ enum pm_ret_status pm_set_max_latency(uint32_t device_id, uint32_t latency)
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return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
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return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
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}
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}
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/**
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* pm_register_notifier() - PM call to register a subsystem to be notified
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* about the device event
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* @device_id Device ID for the Node to which the event is related
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* @event Event in question
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* @wake Wake subsystem upon capturing the event if value 1
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* @enable Enable the registration for value 1, disable for value 0
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*
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* @return Returns status, either success or error+reason
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*/
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enum pm_ret_status pm_register_notifier(uint32_t device_id, uint32_t event,
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uint32_t wake, uint32_t enable)
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{
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uint32_t payload[PAYLOAD_ARG_CNT];
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/* Send request to the PMC */
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PM_PACK_PAYLOAD5(payload, LIBPM_MODULE_ID, PM_REGISTER_NOTIFIER,
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device_id, event, wake, enable);
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return pm_ipi_send_sync(primary_proc, payload, NULL, 0);
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}
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@ -75,4 +75,6 @@ enum pm_ret_status pm_get_op_characteristic(uint32_t device_id,
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enum pm_opchar_type type,
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enum pm_opchar_type type,
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uint32_t *result);
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uint32_t *result);
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enum pm_ret_status pm_set_max_latency(uint32_t device_id, uint32_t latency);
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enum pm_ret_status pm_set_max_latency(uint32_t device_id, uint32_t latency);
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enum pm_ret_status pm_register_notifier(uint32_t device_id, uint32_t event,
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uint32_t wake, uint32_t enable);
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#endif /* PM_API_SYS_H */
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#endif /* PM_API_SYS_H */
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@ -45,6 +45,7 @@
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#define PM_GET_API_VERSION 1U
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#define PM_GET_API_VERSION 1U
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#define PM_GET_DEVICE_STATUS 3U
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#define PM_GET_DEVICE_STATUS 3U
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#define PM_GET_OP_CHARACTERISTIC 4U
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#define PM_GET_OP_CHARACTERISTIC 4U
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#define PM_REGISTER_NOTIFIER 5U
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#define PM_REQ_SUSPEND 6U
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#define PM_REQ_SUSPEND 6U
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#define PM_SELF_SUSPEND 7U
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#define PM_SELF_SUSPEND 7U
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#define PM_FORCE_POWERDOWN 8U
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#define PM_FORCE_POWERDOWN 8U
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@ -338,6 +338,12 @@ uint64_t pm_smc_handler(uint32_t smc_fid, uint64_t x1, uint64_t x2, uint64_t x3,
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SMC_RET1(handle, (uint64_t)ret);
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SMC_RET1(handle, (uint64_t)ret);
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}
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}
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case PM_REGISTER_NOTIFIER:
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{
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ret = pm_register_notifier(pm_arg[0], pm_arg[1], pm_arg[2], pm_arg[3]);
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SMC_RET1(handle, (uint64_t)ret);
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}
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default:
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default:
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WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
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WARN("Unimplemented PM Service Call: 0x%x\n", smc_fid);
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SMC_RET1(handle, SMC_UNK);
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SMC_RET1(handle, SMC_UNK);
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