1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * processor_thermal_device.h
4 * Copyright (c) 2020, Intel Corporation.
5 */
6
7#ifndef __PROCESSOR_THERMAL_DEVICE_H__
8#define __PROCESSOR_THERMAL_DEVICE_H__
9
10#include <linux/intel_rapl.h>
11
12#define PCI_DEVICE_ID_INTEL_ADL_THERMAL 0x461d
13#define PCI_DEVICE_ID_INTEL_ARL_S_THERMAL 0xAD03
14#define PCI_DEVICE_ID_INTEL_BDW_THERMAL 0x1603
15#define PCI_DEVICE_ID_INTEL_BSW_THERMAL 0x22DC
16
17#define PCI_DEVICE_ID_INTEL_BXT0_THERMAL 0x0A8C
18#define PCI_DEVICE_ID_INTEL_BXT1_THERMAL 0x1A8C
19#define PCI_DEVICE_ID_INTEL_BXTX_THERMAL 0x4A8C
20#define PCI_DEVICE_ID_INTEL_BXTP_THERMAL 0x5A8C
21
22#define PCI_DEVICE_ID_INTEL_CNL_THERMAL 0x5a03
23#define PCI_DEVICE_ID_INTEL_CFL_THERMAL 0x3E83
24#define PCI_DEVICE_ID_INTEL_GLK_THERMAL 0x318C
25#define PCI_DEVICE_ID_INTEL_HSB_THERMAL 0x0A03
26#define PCI_DEVICE_ID_INTEL_ICL_THERMAL 0x8a03
27#define PCI_DEVICE_ID_INTEL_JSL_THERMAL 0x4E03
28#define PCI_DEVICE_ID_INTEL_LNLM_THERMAL 0x641D
29#define PCI_DEVICE_ID_INTEL_MTLP_THERMAL 0x7D03
30#define PCI_DEVICE_ID_INTEL_RPL_THERMAL 0xA71D
31#define PCI_DEVICE_ID_INTEL_SKL_THERMAL 0x1903
32#define PCI_DEVICE_ID_INTEL_TGL_THERMAL 0x9A03
33
34struct power_config {
35 u32 index;
36 u32 min_uw;
37 u32 max_uw;
38 u32 tmin_us;
39 u32 tmax_us;
40 u32 step_uw;
41};
42
43struct proc_thermal_device {
44 struct device *dev;
45 struct acpi_device *adev;
46 struct power_config power_limits[2];
47 struct int34x_thermal_zone *int340x_zone;
48 struct intel_soc_dts_sensors *soc_dts;
49 u32 mmio_feature_mask;
50 void __iomem *mmio_base;
51 void *priv_data;
52};
53
54struct rapl_mmio_regs {
55 u64 reg_unit;
56 u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX];
57 int limits[RAPL_DOMAIN_MAX];
58};
59
60#define PROC_THERMAL_FEATURE_NONE 0x00
61#define PROC_THERMAL_FEATURE_RAPL 0x01
62#define PROC_THERMAL_FEATURE_FIVR 0x02
63#define PROC_THERMAL_FEATURE_DVFS 0x04
64#define PROC_THERMAL_FEATURE_WT_REQ 0x08
65#define PROC_THERMAL_FEATURE_DLVR 0x10
66#define PROC_THERMAL_FEATURE_WT_HINT 0x20
67#define PROC_THERMAL_FEATURE_POWER_FLOOR 0x40
68
69#if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
70int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
71void proc_thermal_rapl_remove(void);
72#else
73static int __maybe_unused proc_thermal_rapl_add(struct pci_dev *pdev,
74 struct proc_thermal_device *proc_priv)
75{
76 return 0;
77}
78
79static void __maybe_unused proc_thermal_rapl_remove(void)
80{
81}
82#endif
83
84int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
85void proc_thermal_rfim_remove(struct pci_dev *pdev);
86
87int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
88void proc_thermal_wt_req_remove(struct pci_dev *pdev);
89
90#define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E
91#define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F
92
93#define MBOX_DATA_BIT_AC_DC 30
94#define MBOX_DATA_BIT_VALID 31
95
96#define SOC_WT_RES_INT_STATUS_OFFSET 0x5B18
97#define SOC_WT_RES_INT_STATUS_MASK GENMASK_ULL(3, 2)
98
99int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv);
100int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable);
101bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv);
102void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
103 struct proc_thermal_device *proc_priv);
104bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv);
105
106int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
107int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
108int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable, int enable_bit,
109 int time_window);
110int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
111void proc_thermal_remove(struct proc_thermal_device *proc_priv);
112
113int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
114void proc_thermal_wt_hint_remove(struct pci_dev *pdev);
115void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
116bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv);
117
118int proc_thermal_suspend(struct device *dev);
119int proc_thermal_resume(struct device *dev);
120int proc_thermal_mmio_add(struct pci_dev *pdev,
121 struct proc_thermal_device *proc_priv,
122 kernel_ulong_t feature_mask);
123void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
124#endif
125

source code of linux/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h