| | 1 | /* |
| | 2 | * PCI Hot Plug Controller Driver for RPA-compliant PPC64 platform. |
| | 3 | * |
| | 4 | * Copyright (C) 2003 Linda Xie <lxie@us.ibm.com> |
| | 5 | * |
| | 6 | * All rights reserved. |
| | 7 | * |
| | 8 | * This program is free software; you can redistribute it and/or modify |
| | 9 | * it under the terms of the GNU General Public License as published by |
| | 10 | * the Free Software Foundation; either version 2 of the License, or (at |
| | 11 | * your option) any later version. |
| | 12 | * |
| | 13 | * This program is distributed in the hope that it will be useful, but |
| | 14 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| | 15 | * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or |
| | 16 | * NON INFRINGEMENT. See the GNU General Public License for more |
| | 17 | * details. |
| | 18 | * |
| | 19 | * You should have received a copy of the GNU General Public License |
| | 20 | * along with this program; if not, write to the Free Software |
| | 21 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| | 22 | * |
| | 23 | * Send feedback to <lxie@us.ibm.com>, |
| | 24 | * |
| | 25 | */ |
| | 26 | |
| | 27 | #ifndef _PPC64PHP_H |
| | 28 | #define _PPC64PHP_H |
| | 29 | |
| | 30 | #include <linux/pci.h> |
| | 31 | #include <linux/pci_hotplug.h> |
| | 32 | |
| | 33 | #define DR_INDICATOR 9002 |
| | 34 | #define DR_ENTITY_SENSE 9003 |
| | 35 | |
| | 36 | #define POWER_ON 100 |
| | 37 | #define POWER_OFF 0 |
| | 38 | |
| | 39 | #define LED_OFF 0 |
| | 40 | #define LED_ON 1 /* continuous on */ |
| | 41 | #define LED_ID 2 /* slow blinking */ |
| | 42 | #define LED_ACTION 3 /* fast blinking */ |
| | 43 | |
| | 44 | /* Sensor values from rtas_get-sensor */ |
| | 45 | #define EMPTY 0 /* No card in slot */ |
| | 46 | #define PRESENT 1 /* Card in slot */ |
| | 47 | |
| | 48 | #define MY_NAME "rpaphp" |
| | 49 | extern bool rpaphp_debug; |
| | 50 | #define dbg(format, arg...) \ |
| | 51 | do { \ |
| | 52 | if (rpaphp_debug) \ |
| | 53 | printk(KERN_DEBUG "%s: " format, \ |
| | 54 | MY_NAME, ## arg); \ |
| | 55 | } while (0) |
| | 56 | #define err(format, arg...) printk(KERN_ERR "%s: " format, MY_NAME, ## arg) |
| | 57 | #define info(format, arg...) printk(KERN_INFO "%s: " format, MY_NAME, ## arg) |
| | 58 | #define warn(format, arg...) printk(KERN_WARNING "%s: " format, MY_NAME, ## arg) |
| | 59 | |
| | 60 | /* slot states */ |
| | 61 | |
| | 62 | #define NOT_VALID 3 |
| | 63 | #define NOT_CONFIGURED 2 |
| | 64 | #define CONFIGURED 1 |
| | 65 | #define EMPTY 0 |
| | 66 | |
| | 67 | /* |
| | 68 | * struct slot - slot information for each *physical* slot |
| | 69 | */ |
| | 70 | struct slot { |
| | 71 | struct list_head rpaphp_slot_list; |
| | 72 | int state; |
| | 73 | u32 index; |
| | 74 | u32 type; |
| | 75 | u32 power_domain; |
| | 76 | char *name; |
| | 77 | struct device_node *dn; |
| | 78 | struct pci_bus *bus; |
| | 79 | struct list_head *pci_devs; |
| | 80 | struct hotplug_slot *hotplug_slot; |
| | 81 | }; |
| | 82 | |
| | 83 | extern struct hotplug_slot_ops rpaphp_hotplug_slot_ops; |
| | 84 | extern struct list_head rpaphp_slot_head; |
| | 85 | |
| | 86 | /* function prototypes */ |
| | 87 | |
| | 88 | /* rpaphp_pci.c */ |
| | 89 | int rpaphp_enable_slot(struct slot *slot); |
| | 90 | int rpaphp_get_sensor_state(struct slot *slot, int *state); |
| | 91 | |
| | 92 | /* rpaphp_core.c */ |
| | 93 | int rpaphp_add_slot(struct device_node *dn); |
| | 94 | int rpaphp_get_drc_props(struct device_node *dn, int *drc_index, |
| | 95 | char **drc_name, char **drc_type, int *drc_power_domain); |
| | 96 | |
| | 97 | /* rpaphp_slot.c */ |
| | 98 | void dealloc_slot_struct(struct slot *slot); |
| | 99 | struct slot *alloc_slot_struct(struct device_node *dn, int drc_index, char *drc_name, int power_domain); |
| | 100 | int rpaphp_register_slot(struct slot *slot); |
| | 101 | int rpaphp_deregister_slot(struct slot *slot); |
| | 102 | |
| | 103 | #endif /* _PPC64PHP_H */ |
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