| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform. |
| * |
| * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com> |
| * |
| * All rights reserved. |
| * |
| * Send feedback to <lxie@us.ibm.com>, |
| * |
| */ |
| |
| #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; |
| char *name; |
| struct device_node *dn; |
| struct pci_bus *bus; |
| struct list_head *pci_devs; |
| struct hotplug_slot *hotplug_slot; |
| }; |
| |
| extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops; |
| extern struct list_head rpaphp_slot_head; |
| |
| /* 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 */ |