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_MTLP_THERMAL 0x7D03
29 #define PCI_DEVICE_ID_INTEL_RPL_THERMAL 0xA71D
30 #define PCI_DEVICE_ID_INTEL_SKL_THERMAL 0x1903
31 #define PCI_DEVICE_ID_INTEL_TGL_THERMAL 0x9A03
32
33 struct power_config {
34 u32 index;
35 u32 min_uw;
36 u32 max_uw;
37 u32 tmin_us;
38 u32 tmax_us;
39 u32 step_uw;
40 };
41
42 struct proc_thermal_device {
43 struct device *dev;
44 struct acpi_device *adev;
45 struct power_config power_limits[2];
46 struct int34x_thermal_zone *int340x_zone;
47 struct intel_soc_dts_sensors *soc_dts;
48 u32 mmio_feature_mask;
49 void __iomem *mmio_base;
50 void *priv_data;
51 };
52
53 struct rapl_mmio_regs {
54 u64 reg_unit;
55 u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX];
56 int limits[RAPL_DOMAIN_MAX];
57 };
58
59 #define PROC_THERMAL_FEATURE_NONE 0x00
60 #define PROC_THERMAL_FEATURE_RAPL 0x01
61 #define PROC_THERMAL_FEATURE_FIVR 0x02
62 #define PROC_THERMAL_FEATURE_DVFS 0x04
63 #define PROC_THERMAL_FEATURE_WT_REQ 0x08
64 #define PROC_THERMAL_FEATURE_DLVR 0x10
65 #define PROC_THERMAL_FEATURE_WT_HINT 0x20
66 #define PROC_THERMAL_FEATURE_POWER_FLOOR 0x40
67
68 #if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
69 int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
70 void proc_thermal_rapl_remove(void);
71 #else
proc_thermal_rapl_add(struct pci_dev * pdev,struct proc_thermal_device * proc_priv)72 static int __maybe_unused proc_thermal_rapl_add(struct pci_dev *pdev,
73 struct proc_thermal_device *proc_priv)
74 {
75 return 0;
76 }
77
proc_thermal_rapl_remove(void)78 static void __maybe_unused proc_thermal_rapl_remove(void)
79 {
80 }
81 #endif
82
83 int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
84 void proc_thermal_rfim_remove(struct pci_dev *pdev);
85
86 int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
87 void proc_thermal_wt_req_remove(struct pci_dev *pdev);
88
89 #define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E
90 #define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F
91
92 #define MBOX_DATA_BIT_AC_DC 30
93 #define MBOX_DATA_BIT_VALID 31
94
95 #define SOC_WT_RES_INT_STATUS_OFFSET 0x5B18
96 #define SOC_WT_RES_INT_STATUS_MASK GENMASK_ULL(3, 2)
97
98 int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv);
99 int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable);
100 bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv);
101 void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
102 struct proc_thermal_device *proc_priv);
103 bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv);
104
105 int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
106 int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
107 int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable, int enable_bit,
108 int time_window);
109 int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
110 void proc_thermal_remove(struct proc_thermal_device *proc_priv);
111
112 int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
113 void proc_thermal_wt_hint_remove(struct pci_dev *pdev);
114 void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
115 bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv);
116
117 int proc_thermal_suspend(struct device *dev);
118 int proc_thermal_resume(struct device *dev);
119 int proc_thermal_mmio_add(struct pci_dev *pdev,
120 struct proc_thermal_device *proc_priv,
121 kernel_ulong_t feature_mask);
122 void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
123 #endif
124