/* SPDX-License-Identifier: GPL-2.0+ */ /* * Standard Hot Plug Controller Driver * * Copyright (C) 1995,2001 Compaq Computer Corporation * Copyright (C) 2001 Greg Kroah-Hartman ([email protected]) * Copyright (C) 2001 IBM * Copyright (C) 2003-2004 Intel Corporation * * All rights reserved. * * Send feedback to <[email protected]>,<[email protected]> * */ #ifndef _SHPCHP_H #define _SHPCHP_H #include <linux/types.h> #include <linux/pci.h> #include <linux/pci_hotplug.h> #include <linux/delay.h> #include <linux/sched/signal.h> /* signal_pending(), struct timer_list */ #include <linux/mutex.h> #include <linux/workqueue.h> #if !defined(MODULE) #define MY_NAME … #else #define MY_NAME … #endif extern bool shpchp_poll_mode; extern int shpchp_poll_time; extern bool shpchp_debug; #define dbg(format, arg...) … #define err(format, arg...) … #define info(format, arg...) … #define warn(format, arg...) … #define ctrl_dbg(ctrl, format, arg...) … #define ctrl_err(ctrl, format, arg...) … #define ctrl_info(ctrl, format, arg...) … #define ctrl_warn(ctrl, format, arg...) … #define SLOT_NAME_SIZE … struct slot { … }; struct event_info { … }; struct controller { … }; /* Define AMD SHPC ID */ #define PCI_DEVICE_ID_AMD_POGO_7458 … /* AMD PCI-X bridge registers */ #define PCIX_MEM_BASE_LIMIT_OFFSET … #define PCIX_MISCII_OFFSET … #define PCIX_MISC_BRIDGE_ERRORS_OFFSET … /* AMD PCIX_MISCII masks and offsets */ #define PERRNONFATALENABLE_MASK … #define PERRFATALENABLE_MASK … #define PERRFLOODENABLE_MASK … #define SERRNONFATALENABLE_MASK … #define SERRFATALENABLE_MASK … /* AMD PCIX_MISC_BRIDGE_ERRORS masks and offsets */ #define PERR_OBSERVED_MASK … /* AMD PCIX_MEM_BASE_LIMIT masks */ #define RSE_MASK … #define INT_BUTTON_IGNORE … #define INT_PRESENCE_ON … #define INT_PRESENCE_OFF … #define INT_SWITCH_CLOSE … #define INT_SWITCH_OPEN … #define INT_POWER_FAULT … #define INT_POWER_FAULT_CLEAR … #define INT_BUTTON_PRESS … #define INT_BUTTON_RELEASE … #define INT_BUTTON_CANCEL … #define STATIC_STATE … #define BLINKINGON_STATE … #define BLINKINGOFF_STATE … #define POWERON_STATE … #define POWEROFF_STATE … /* Error messages */ #define INTERLOCK_OPEN … #define ADD_NOT_SUPPORTED … #define CARD_FUNCTIONING … #define ADAPTER_NOT_SAME … #define NO_ADAPTER_PRESENT … #define NOT_ENOUGH_RESOURCES … #define DEVICE_TYPE_NOT_SUPPORTED … #define WRONG_BUS_FREQUENCY … #define POWER_FAILURE … int __must_check shpchp_create_ctrl_files(struct controller *ctrl); void shpchp_remove_ctrl_files(struct controller *ctrl); int shpchp_sysfs_enable_slot(struct slot *slot); int shpchp_sysfs_disable_slot(struct slot *slot); u8 shpchp_handle_attention_button(u8 hp_slot, struct controller *ctrl); u8 shpchp_handle_switch_change(u8 hp_slot, struct controller *ctrl); u8 shpchp_handle_presence_change(u8 hp_slot, struct controller *ctrl); u8 shpchp_handle_power_fault(u8 hp_slot, struct controller *ctrl); int shpchp_configure_device(struct slot *p_slot); void shpchp_unconfigure_device(struct slot *p_slot); void cleanup_slots(struct controller *ctrl); void shpchp_queue_pushbutton_work(struct work_struct *work); int shpc_init(struct controller *ctrl, struct pci_dev *pdev); static inline const char *slot_name(struct slot *slot) { … } struct ctrl_reg { … } __attribute__ ((packed)); /* offsets to the controller registers based on the above structure layout */ enum ctrl_offsets { … }; static inline struct slot *get_slot(struct hotplug_slot *hotplug_slot) { … } static inline struct slot *shpchp_find_slot(struct controller *ctrl, u8 device) { … } static inline void amd_pogo_errata_save_misc_reg(struct slot *p_slot) { … } static inline void amd_pogo_errata_restore_misc_reg(struct slot *p_slot) { … } int shpchp_power_on_slot(struct slot *slot); int shpchp_slot_enable(struct slot *slot); int shpchp_slot_disable(struct slot *slot); int shpchp_set_bus_speed_mode(struct slot *slot, enum pci_bus_speed speed); int shpchp_get_power_status(struct slot *slot, u8 *status); int shpchp_get_attention_status(struct slot *slot, u8 *status); int shpchp_set_attention_status(struct slot *slot, u8 status); int shpchp_get_latch_status(struct slot *slot, u8 *status); int shpchp_get_adapter_status(struct slot *slot, u8 *status); int shpchp_get_adapter_speed(struct slot *slot, enum pci_bus_speed *speed); int shpchp_get_prog_int(struct slot *slot, u8 *prog_int); int shpchp_query_power_fault(struct slot *slot); void shpchp_green_led_on(struct slot *slot); void shpchp_green_led_off(struct slot *slot); void shpchp_green_led_blink(struct slot *slot); void shpchp_release_ctlr(struct controller *ctrl); int shpchp_check_cmd_status(struct controller *ctrl); #endif /* _SHPCHP_H */
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