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- /* SPDX-License-Identifier: GPL-2.0+ */
- /*
- * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform.
- *
- * Copyright (C) 2003 Linda Xie <[email protected]>
- *
- * All rights reserved.
- *
- * Send feedback to <[email protected]>,
- *
- */
- #ifndef _PPC64PHP_H
- #define _PPC64PHP_H
- #include <linux/pci.h>
- #include <linux/pci_hotplug.h>
- #define DR_INDICATOR 9002
- #define DR_ENTITY_SENSE 9003
- #define POWER_ON 100
- #define POWER_OFF 0
- #define LED_OFF 0
- #define LED_ON 1 /* continuous on */
- #define LED_ID 2 /* slow blinking */
- #define LED_ACTION 3 /* fast blinking */
- /* Sensor values from rtas_get-sensor */
- #define EMPTY 0 /* No card in slot */
- #define PRESENT 1 /* Card in slot */
- #define MY_NAME "rpaphp"
- extern bool rpaphp_debug;
- #define dbg(format, arg...) \
- do { \
- if (rpaphp_debug) \
- printk(KERN_DEBUG "%s: " format, \
- MY_NAME, ## arg); \
- } while (0)
- #define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg)
- #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg)
- #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg)
- /* slot states */
- #define NOT_VALID 3
- #define NOT_CONFIGURED 2
- #define CONFIGURED 1
- #define EMPTY 0
- /* DRC constants */
- #define MAX_DRC_NAME_LEN 64
- /*
- * struct slot - slot information for each *physical* slot
- */
- struct slot {
- struct list_head rpaphp_slot_list;
- int state;
- u32 index;
- u32 type;
- u32 power_domain;
- u8 attention_status;
- char *name;
- struct device_node *dn;
- struct pci_bus *bus;
- struct list_head *pci_devs;
- struct hotplug_slot hotplug_slot;
- };
- extern const struct hotplug_slot_ops rpaphp_hotplug_slot_ops;
- extern struct list_head rpaphp_slot_head;
- static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot)
- {
- return container_of(hotplug_slot, struct slot, hotplug_slot);
- }
- /* function prototypes */
- /* rpaphp_pci.c */
- int rpaphp_enable_slot(struct slot *slot);
- int rpaphp_get_sensor_state(struct slot *slot, int *state);
- /* rpaphp_core.c */
- int rpaphp_add_slot(struct device_node *dn);
- int rpaphp_check_drc_props(struct device_node *dn, char *drc_name,
- char *drc_type);
- /* rpaphp_slot.c */
- void dealloc_slot_struct(struct slot *slot);
- struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain);
- int rpaphp_register_slot(struct slot *slot);
- int rpaphp_deregister_slot(struct slot *slot);
- #endif /* _PPC64PHP_H */
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