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 #define PCI_DEVICE_ID_INTEL_PTL_THERMAL 0xB01D
34 #define PCI_DEVICE_ID_INTEL_WCL_THERMAL 0xFD1D
35
36 struct power_config {
37 u32 index;
38 u32 min_uw;
39 u32 max_uw;
40 u32 tmin_us;
41 u32 tmax_us;
42 u32 step_uw;
43 };
44
45 struct proc_thermal_device {
46 struct device *dev;
47 struct acpi_device *adev;
48 struct power_config power_limits[2];
49 struct int34x_thermal_zone *int340x_zone;
50 struct intel_soc_dts_sensors *soc_dts;
51 u32 mmio_feature_mask;
52 void __iomem *mmio_base;
53 void *priv_data;
54 };
55
56 struct rapl_mmio_regs {
57 u64 reg_unit;
58 u64 regs[RAPL_DOMAIN_MAX][RAPL_DOMAIN_REG_MAX];
59 int limits[RAPL_DOMAIN_MAX];
60 };
61
62 #define PROC_THERMAL_FEATURE_NONE 0x00
63 #define PROC_THERMAL_FEATURE_RAPL 0x01
64 #define PROC_THERMAL_FEATURE_FIVR 0x02
65 #define PROC_THERMAL_FEATURE_DVFS 0x04
66 #define PROC_THERMAL_FEATURE_WT_REQ 0x08
67 #define PROC_THERMAL_FEATURE_DLVR 0x10
68 #define PROC_THERMAL_FEATURE_WT_HINT 0x20
69 #define PROC_THERMAL_FEATURE_POWER_FLOOR 0x40
70 #define PROC_THERMAL_FEATURE_MSI_SUPPORT 0x80
71 #define PROC_THERMAL_FEATURE_PTC 0x100
72
73 #if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
74 int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
75 void proc_thermal_rapl_remove(void);
76 #else
proc_thermal_rapl_add(struct pci_dev * pdev,struct proc_thermal_device * proc_priv)77 static int __maybe_unused proc_thermal_rapl_add(struct pci_dev *pdev,
78 struct proc_thermal_device *proc_priv)
79 {
80 return 0;
81 }
82
proc_thermal_rapl_remove(void)83 static void __maybe_unused proc_thermal_rapl_remove(void)
84 {
85 }
86 #endif
87
88 int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
89 void proc_thermal_rfim_remove(struct pci_dev *pdev);
90
91 int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
92 void proc_thermal_wt_req_remove(struct pci_dev *pdev);
93
94 #define MBOX_CMD_WORKLOAD_TYPE_READ 0x0E
95 #define MBOX_CMD_WORKLOAD_TYPE_WRITE 0x0F
96
97 #define MBOX_DATA_BIT_AC_DC 30
98 #define MBOX_DATA_BIT_VALID 31
99
100 #define SOC_WT_RES_INT_STATUS_OFFSET 0x5B18
101 #define SOC_WT_RES_INT_STATUS_MASK GENMASK_ULL(3, 2)
102
103 int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv);
104 int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable);
105 bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv);
106 void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
107 struct proc_thermal_device *proc_priv);
108 bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv);
109
110 int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
111 int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
112 int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable, int enable_bit,
113 int time_window);
114 int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
115 void proc_thermal_remove(struct proc_thermal_device *proc_priv);
116
117 int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
118 void proc_thermal_wt_hint_remove(struct pci_dev *pdev);
119 void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
120 bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv);
121
122 int proc_thermal_suspend(struct device *dev);
123 int proc_thermal_resume(struct device *dev);
124 int proc_thermal_mmio_add(struct pci_dev *pdev,
125 struct proc_thermal_device *proc_priv,
126 kernel_ulong_t feature_mask);
127 void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
128 int proc_thermal_ptc_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
129 void proc_thermal_ptc_remove(struct pci_dev *pdev);
130 #endif
131