Contributors: 4
Author Tokens Token Proportion Commits Commit Proportion
Srinivas Pandruvada 498 88.30% 23 85.19%
Rui Zhang 52 9.22% 1 3.70%
Sumeet Pawnikar 12 2.13% 2 7.41%
Antoine Tenart 2 0.35% 1 3.70%
Total 564 27 


/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * processor_thermal_device.h
 * Copyright (c) 2020, Intel Corporation.
 */

#ifndef __PROCESSOR_THERMAL_DEVICE_H__
#define __PROCESSOR_THERMAL_DEVICE_H__

#include <linux/intel_rapl.h>

#define PCI_DEVICE_ID_INTEL_ADL_THERMAL	0x461d
#define PCI_DEVICE_ID_INTEL_ARL_S_THERMAL 0xAD03
#define PCI_DEVICE_ID_INTEL_BDW_THERMAL	0x1603
#define PCI_DEVICE_ID_INTEL_BSW_THERMAL	0x22DC

#define PCI_DEVICE_ID_INTEL_BXT0_THERMAL	0x0A8C
#define PCI_DEVICE_ID_INTEL_BXT1_THERMAL	0x1A8C
#define PCI_DEVICE_ID_INTEL_BXTX_THERMAL	0x4A8C
#define PCI_DEVICE_ID_INTEL_BXTP_THERMAL	0x5A8C

#define PCI_DEVICE_ID_INTEL_CNL_THERMAL	0x5a03
#define PCI_DEVICE_ID_INTEL_CFL_THERMAL	0x3E83
#define PCI_DEVICE_ID_INTEL_GLK_THERMAL	0x318C
#define PCI_DEVICE_ID_INTEL_HSB_THERMAL	0x0A03
#define PCI_DEVICE_ID_INTEL_ICL_THERMAL	0x8a03
#define PCI_DEVICE_ID_INTEL_JSL_THERMAL	0x4E03
#define PCI_DEVICE_ID_INTEL_LNLM_THERMAL	0x641D
#define PCI_DEVICE_ID_INTEL_MTLP_THERMAL	0x7D03
#define PCI_DEVICE_ID_INTEL_RPL_THERMAL	0xA71D
#define PCI_DEVICE_ID_INTEL_SKL_THERMAL	0x1903
#define PCI_DEVICE_ID_INTEL_TGL_THERMAL	0x9A03

struct power_config {
	u32	index;
	u32	min_uw;
	u32	max_uw;
	u32	tmin_us;
	u32	tmax_us;
	u32	step_uw;
};

struct proc_thermal_device {
	struct device *dev;
	struct acpi_device *adev;
	struct power_config power_limits[2];
	struct int34x_thermal_zone *int340x_zone;
	struct intel_soc_dts_sensors *soc_dts;
	u32 mmio_feature_mask;
	void __iomem *mmio_base;
	void *priv_data;
};

struct rapl_mmio_regs {
	u64 reg_unit;
	u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX];
	int limits[RAPL_DOMAIN_MAX];
};

#define PROC_THERMAL_FEATURE_NONE	0x00
#define PROC_THERMAL_FEATURE_RAPL	0x01
#define PROC_THERMAL_FEATURE_FIVR	0x02
#define PROC_THERMAL_FEATURE_DVFS	0x04
#define PROC_THERMAL_FEATURE_WT_REQ	0x08
#define PROC_THERMAL_FEATURE_DLVR	0x10
#define PROC_THERMAL_FEATURE_WT_HINT	0x20
#define PROC_THERMAL_FEATURE_POWER_FLOOR	0x40
#define PROC_THERMAL_FEATURE_MSI_SUPPORT	0x80

#if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
void proc_thermal_rapl_remove(void);
#else
static int __maybe_unused proc_thermal_rapl_add(struct pci_dev *pdev,
						struct proc_thermal_device *proc_priv)
{
	return 0;
}

static void __maybe_unused proc_thermal_rapl_remove(void)
{
}
#endif

int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
void proc_thermal_rfim_remove(struct pci_dev *pdev);

int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
void proc_thermal_wt_req_remove(struct pci_dev *pdev);

#define MBOX_CMD_WORKLOAD_TYPE_READ	0x0E
#define MBOX_CMD_WORKLOAD_TYPE_WRITE	0x0F

#define MBOX_DATA_BIT_AC_DC		30
#define MBOX_DATA_BIT_VALID		31

#define SOC_WT_RES_INT_STATUS_OFFSET	0x5B18
#define SOC_WT_RES_INT_STATUS_MASK	GENMASK_ULL(3, 2)

int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv);
int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable);
bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv);
void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
					    struct proc_thermal_device *proc_priv);
bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv);

int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable, int enable_bit,
					    int time_window);
int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
void proc_thermal_remove(struct proc_thermal_device *proc_priv);

int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
void proc_thermal_wt_hint_remove(struct pci_dev *pdev);
void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv);

int proc_thermal_suspend(struct device *dev);
int proc_thermal_resume(struct device *dev);
int proc_thermal_mmio_add(struct pci_dev *pdev,
			  struct proc_thermal_device *proc_priv,
			  kernel_ulong_t feature_mask);
void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
#endif