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