Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
firmware: stratix10-svc: Add definition for voltage and temperature sensor
Add entry in Stratix 10 Service Layer to support temperature and voltage
sensor.
Signed-off-by: Khairul Anuar Romli <khairul.anuar.romli@altera.com>
Signed-off-by: Dinh Nguyen <dinguyen@kernel.org>
authored by
Khairul Anuar Romli
and committed by
Dinh Nguyen
4f49088c
3a866087
+60
-3
+19
-2
drivers/firmware/stratix10-svc.c
+19
-2
drivers/firmware/stratix10-svc.c
···
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* timeout is set to 30 seconds (30 * 1000) at Intel Stratix10 SoC.
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*/
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#define SVC_NUM_DATA_IN_FIFO 32
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-
#define SVC_NUM_CHANNEL 3
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#define SVC_NUM_CHANNEL 4
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#define FPGA_CONFIG_DATA_CLAIM_TIMEOUT_MS 200
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#define FPGA_CONFIG_STATUS_TIMEOUT_SEC 30
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#define BYTE_TO_WORD_SIZE 4
···
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case COMMAND_RSU_MAX_RETRY:
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case COMMAND_RSU_DCMF_STATUS:
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case COMMAND_FIRMWARE_VERSION:
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case COMMAND_HWMON_READTEMP:
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case COMMAND_HWMON_READVOLT:
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cb_data->status = BIT(SVC_STATUS_OK);
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cb_data->kaddr1 = &res.a1;
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break;
···
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a1 = (unsigned long)pdata->paddr;
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a2 = 0;
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break;
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-
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/* for HWMON */
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case COMMAND_HWMON_READTEMP:
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a0 = INTEL_SIP_SMC_HWMON_READTEMP;
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a1 = pdata->arg[0];
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a2 = 0;
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break;
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case COMMAND_HWMON_READVOLT:
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a0 = INTEL_SIP_SMC_HWMON_READVOLT;
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a1 = pdata->arg[0];
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a2 = 0;
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break;
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/* for polling */
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case COMMAND_POLL_SERVICE_STATUS:
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a0 = INTEL_SIP_SMC_SERVICE_COMPLETED;
···
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chans[2].ctrl = controller;
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chans[2].name = SVC_CLIENT_FCS;
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spin_lock_init(&chans[2].lock);
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+
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chans[3].scl = NULL;
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chans[3].ctrl = controller;
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chans[3].name = SVC_CLIENT_HWMON;
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spin_lock_init(&chans[3].lock);
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list_add_tail(&controller->node, &svc_ctrl);
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platform_set_drvdata(pdev, controller);
+34
include/linux/firmware/intel/stratix10-smc.h
+34
include/linux/firmware/intel/stratix10-smc.h
···
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#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA \
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INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_FCS_GET_PROVISION_DATA)
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+
/**
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* Request INTEL_SIP_SMC_HWMON_READTEMP
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* Sync call to request temperature
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*
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* Call register usage:
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* a0 Temperature Channel
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* a1-a7 not used
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*
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* Return status
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* a0 INTEL_SIP_SMC_STATUS_OK
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* a1 Temperature Value
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* a2-a3 not used
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*/
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#define INTEL_SIP_SMC_FUNCID_HWMON_READTEMP 32
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#define INTEL_SIP_SMC_HWMON_READTEMP \
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INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_HWMON_READTEMP)
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+
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/**
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* Request INTEL_SIP_SMC_HWMON_READVOLT
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* Sync call to request voltage
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*
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* Call register usage:
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* a0 Voltage Channel
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* a1-a7 not used
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*
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* Return status
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* a0 INTEL_SIP_SMC_STATUS_OK
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* a1 Voltage Value
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* a2-a3 not used
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*/
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#define INTEL_SIP_SMC_FUNCID_HWMON_READVOLT 33
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#define INTEL_SIP_SMC_HWMON_READVOLT \
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INTEL_SIP_SMC_FAST_CALL_VAL(INTEL_SIP_SMC_FUNCID_HWMON_READVOLT)
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+
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#endif
+7
-1
include/linux/firmware/intel/stratix10-svc-client.h
+7
-1
include/linux/firmware/intel/stratix10-svc-client.h
···
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*
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* fpga: for FPGA configuration
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* rsu: for remote status update
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* hwmon: for hardware monitoring (voltage and temperature)
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*/
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#define SVC_CLIENT_FPGA "fpga"
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#define SVC_CLIENT_RSU "rsu"
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#define SVC_CLIENT_FCS "fcs"
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#define SVC_CLIENT_HWMON "hwmon"
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/*
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/**
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* Status of the sent command, in bit number
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*
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* SVC_STATUS_OK:
···
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#define SVC_RSU_REQUEST_TIMEOUT_MS 300
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#define SVC_FCS_REQUEST_TIMEOUT_MS 2000
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#define SVC_COMPLETED_TIMEOUT_MS 30000
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+
#define SVC_HWMON_REQUEST_TIMEOUT_MS 300
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struct stratix10_svc_chan;
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76
···
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COMMAND_MBOX_SEND_CMD = 100,
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/* Non-mailbox SMC Call */
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COMMAND_SMC_SVC_VERSION = 200,
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/* for HWMON */
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COMMAND_HWMON_READTEMP,
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COMMAND_HWMON_READVOLT
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};
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/**