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136 lines
5.0 KiB
136 lines
5.0 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* Copyright (c) 2018-2021 Intel Corporation */ |
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#ifndef __PECI_INTERNAL_H |
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#define __PECI_INTERNAL_H |
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#include <linux/device.h> |
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#include <linux/types.h> |
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struct peci_controller; |
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struct attribute_group; |
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struct peci_device; |
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struct peci_request; |
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/* PECI CPU address range 0x30-0x37 */ |
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#define PECI_BASE_ADDR 0x30 |
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#define PECI_DEVICE_NUM_MAX 8 |
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struct peci_request *peci_request_alloc(struct peci_device *device, u8 tx_len, u8 rx_len); |
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void peci_request_free(struct peci_request *req); |
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int peci_request_status(struct peci_request *req); |
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u64 peci_request_dib_read(struct peci_request *req); |
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s16 peci_request_temp_read(struct peci_request *req); |
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u8 peci_request_data_readb(struct peci_request *req); |
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u16 peci_request_data_readw(struct peci_request *req); |
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u32 peci_request_data_readl(struct peci_request *req); |
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u64 peci_request_data_readq(struct peci_request *req); |
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struct peci_request *peci_xfer_get_dib(struct peci_device *device); |
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struct peci_request *peci_xfer_get_temp(struct peci_device *device); |
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struct peci_request *peci_xfer_pkg_cfg_readb(struct peci_device *device, u8 index, u16 param); |
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struct peci_request *peci_xfer_pkg_cfg_readw(struct peci_device *device, u8 index, u16 param); |
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struct peci_request *peci_xfer_pkg_cfg_readl(struct peci_device *device, u8 index, u16 param); |
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struct peci_request *peci_xfer_pkg_cfg_readq(struct peci_device *device, u8 index, u16 param); |
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struct peci_request *peci_xfer_pci_cfg_local_readb(struct peci_device *device, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_pci_cfg_local_readw(struct peci_device *device, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_pci_cfg_local_readl(struct peci_device *device, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_pci_cfg_local_readb(struct peci_device *device, u8 seg, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_pci_cfg_local_readw(struct peci_device *device, u8 seg, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_pci_cfg_local_readl(struct peci_device *device, u8 seg, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_pci_cfg_readb(struct peci_device *device, u8 seg, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_pci_cfg_readw(struct peci_device *device, u8 seg, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_pci_cfg_readl(struct peci_device *device, u8 seg, |
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u8 bus, u8 dev, u8 func, u16 reg); |
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struct peci_request *peci_xfer_ep_mmio32_readl(struct peci_device *device, u8 bar, u8 seg, |
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u8 bus, u8 dev, u8 func, u64 offset); |
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struct peci_request *peci_xfer_ep_mmio64_readl(struct peci_device *device, u8 bar, u8 seg, |
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u8 bus, u8 dev, u8 func, u64 offset); |
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/** |
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* struct peci_device_id - PECI device data to match |
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* @data: pointer to driver private data specific to device |
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* @family: device family |
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* @model: device model |
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*/ |
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struct peci_device_id { |
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const void *data; |
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u16 family; |
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u8 model; |
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}; |
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extern struct device_type peci_device_type; |
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extern const struct attribute_group *peci_device_groups[]; |
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int peci_device_create(struct peci_controller *controller, u8 addr); |
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void peci_device_destroy(struct peci_device *device); |
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extern struct bus_type peci_bus_type; |
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extern const struct attribute_group *peci_bus_groups[]; |
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/** |
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* struct peci_driver - PECI driver |
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* @driver: inherit device driver |
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* @probe: probe callback |
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* @remove: remove callback |
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* @id_table: PECI device match table to decide which device to bind |
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*/ |
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struct peci_driver { |
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struct device_driver driver; |
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int (*probe)(struct peci_device *device, const struct peci_device_id *id); |
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void (*remove)(struct peci_device *device); |
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const struct peci_device_id *id_table; |
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}; |
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static inline struct peci_driver *to_peci_driver(struct device_driver *d) |
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{ |
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return container_of(d, struct peci_driver, driver); |
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} |
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int __peci_driver_register(struct peci_driver *driver, struct module *owner, |
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const char *mod_name); |
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/** |
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* peci_driver_register() - register PECI driver |
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* @driver: the driver to be registered |
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* |
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* PECI drivers that don't need to do anything special in module init should |
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* use the convenience "module_peci_driver" macro instead |
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* |
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* Return: zero on success, else a negative error code. |
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*/ |
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#define peci_driver_register(driver) \ |
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__peci_driver_register(driver, THIS_MODULE, KBUILD_MODNAME) |
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void peci_driver_unregister(struct peci_driver *driver); |
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/** |
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* module_peci_driver() - helper macro for registering a modular PECI driver |
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* @__peci_driver: peci_driver struct |
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* |
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* Helper macro for PECI drivers which do not do anything special in module |
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* init/exit. This eliminates a lot of boilerplate. Each module may only |
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* use this macro once, and calling it replaces module_init() and module_exit() |
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*/ |
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#define module_peci_driver(__peci_driver) \ |
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module_driver(__peci_driver, peci_driver_register, peci_driver_unregister) |
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extern struct device_type peci_controller_type; |
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int peci_controller_scan_devices(struct peci_controller *controller); |
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#endif /* __PECI_INTERNAL_H */
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