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 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 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