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_BDW_THERMAL	0x1603
14 #define PCI_DEVICE_ID_INTEL_BSW_THERMAL	0x22DC
15 
16 #define PCI_DEVICE_ID_INTEL_BXT0_THERMAL	0x0A8C
17 #define PCI_DEVICE_ID_INTEL_BXT1_THERMAL	0x1A8C
18 #define PCI_DEVICE_ID_INTEL_BXTX_THERMAL	0x4A8C
19 #define PCI_DEVICE_ID_INTEL_BXTP_THERMAL	0x5A8C
20 
21 #define PCI_DEVICE_ID_INTEL_CNL_THERMAL	0x5a03
22 #define PCI_DEVICE_ID_INTEL_CFL_THERMAL	0x3E83
23 #define PCI_DEVICE_ID_INTEL_GLK_THERMAL	0x318C
24 #define PCI_DEVICE_ID_INTEL_HSB_THERMAL	0x0A03
25 #define PCI_DEVICE_ID_INTEL_ICL_THERMAL	0x8a03
26 #define PCI_DEVICE_ID_INTEL_JSL_THERMAL	0x4E03
27 #define PCI_DEVICE_ID_INTEL_MTLP_THERMAL	0x7D03
28 #define PCI_DEVICE_ID_INTEL_RPL_THERMAL	0xA71D
29 #define PCI_DEVICE_ID_INTEL_SKL_THERMAL	0x1903
30 #define PCI_DEVICE_ID_INTEL_TGL_THERMAL	0x9A03
31 
32 struct power_config {
33 	u32	index;
34 	u32	min_uw;
35 	u32	max_uw;
36 	u32	tmin_us;
37 	u32	tmax_us;
38 	u32	step_uw;
39 };
40 
41 struct proc_thermal_device {
42 	struct device *dev;
43 	struct acpi_device *adev;
44 	struct power_config power_limits[2];
45 	struct int34x_thermal_zone *int340x_zone;
46 	struct intel_soc_dts_sensors *soc_dts;
47 	u32 mmio_feature_mask;
48 	void __iomem *mmio_base;
49 	void *priv_data;
50 };
51 
52 struct rapl_mmio_regs {
53 	u64 reg_unit;
54 	u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX];
55 	int limits[RAPL_DOMAIN_MAX];
56 };
57 
58 #define PROC_THERMAL_FEATURE_NONE	0x00
59 #define PROC_THERMAL_FEATURE_RAPL	0x01
60 #define PROC_THERMAL_FEATURE_FIVR	0x02
61 #define PROC_THERMAL_FEATURE_DVFS	0x04
62 #define PROC_THERMAL_FEATURE_MBOX	0x08
63 
64 #if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
65 int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
66 void proc_thermal_rapl_remove(void);
67 #else
proc_thermal_rapl_add(struct pci_dev * pdev,struct proc_thermal_device * proc_priv)68 static int __maybe_unused proc_thermal_rapl_add(struct pci_dev *pdev,
69 						struct proc_thermal_device *proc_priv)
70 {
71 	return 0;
72 }
73 
proc_thermal_rapl_remove(void)74 static void __maybe_unused proc_thermal_rapl_remove(void)
75 {
76 }
77 #endif
78 
79 int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
80 void proc_thermal_rfim_remove(struct pci_dev *pdev);
81 
82 int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
83 void proc_thermal_mbox_remove(struct pci_dev *pdev);
84 
85 int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
86 int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
87 int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
88 void proc_thermal_remove(struct proc_thermal_device *proc_priv);
89 int proc_thermal_suspend(struct device *dev);
90 int proc_thermal_resume(struct device *dev);
91 int proc_thermal_mmio_add(struct pci_dev *pdev,
92 			  struct proc_thermal_device *proc_priv,
93 			  kernel_ulong_t feature_mask);
94 void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
95 #endif
96