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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 | /* * ACPI PCI Hot Plug Controller Driver * * Copyright (C) 1995,2001 Compaq Computer Corporation * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) * Copyright (C) 2001 IBM Corp. * Copyright (C) 2002 Hiroshi Aono (h-aono@ap.jp.nec.com) * Copyright (C) 2002,2003 Takayoshi Kochi (t-kochi@bq.jp.nec.com) * Copyright (C) 2002,2003 NEC Corporation * Copyright (C) 2003-2005 Matthew Wilcox (matthew.wilcox@hp.com) * Copyright (C) 2003-2005 Hewlett Packard * * All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or * NON INFRINGEMENT. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * Send feedback to <gregkh@us.ibm.com>, * <t-kochi@bq.jp.nec.com> * */ #ifndef _ACPIPHP_H #define _ACPIPHP_H #include <linux/acpi.h> #include <linux/kobject.h> /* for KOBJ_NAME_LEN */ #include "pci_hotplug.h" #define dbg(format, arg...) \ do { \ if (acpiphp_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) /* name size which is used for entries in pcihpfs */ #define SLOT_NAME_SIZE KOBJ_NAME_LEN /* {_SUN} */ struct acpiphp_bridge; struct acpiphp_slot; /* * struct slot - slot information for each *physical* slot */ struct slot { u8 number; struct hotplug_slot *hotplug_slot; struct list_head slot_list; struct acpiphp_slot *acpi_slot; }; /** * struct hpp_param - ACPI 2.0 _HPP Hot Plug Parameters * @cache_line_size in DWORD * @latency_timer in PCI clock * @enable_SERR 0 or 1 * @enable_PERR 0 or 1 */ struct hpp_param { u8 cache_line_size; u8 latency_timer; u8 enable_SERR; u8 enable_PERR; }; /** * struct acpiphp_bridge - PCI bridge information * * for each bridge device in ACPI namespace */ struct acpiphp_bridge { struct list_head list; acpi_handle handle; struct acpiphp_slot *slots; int type; int nr_slots; u32 flags; /* This bus (host bridge) or Secondary bus (PCI-to-PCI bridge) */ struct pci_bus *pci_bus; /* PCI-to-PCI bridge device */ struct pci_dev *pci_dev; /* ACPI 2.0 _HPP parameters */ struct hpp_param hpp; spinlock_t res_lock; }; /** * struct acpiphp_slot - PCI slot information * * PCI slot information for each *physical* PCI slot */ struct acpiphp_slot { struct acpiphp_slot *next; struct acpiphp_bridge *bridge; /* parent */ struct list_head funcs; /* one slot may have different objects (i.e. for each function) */ struct semaphore crit_sect; u32 id; /* slot id (serial #) for hotplug core */ u8 device; /* pci device# */ u32 sun; /* ACPI _SUN (slot unique number) */ u32 slotno; /* slot number relative to bridge */ u32 flags; /* see below */ }; /** * struct acpiphp_func - PCI function information * * PCI function information for each object in ACPI namespace * typically 8 objects per slot (i.e. for each PCI function) */ struct acpiphp_func { struct acpiphp_slot *slot; /* parent */ struct list_head sibling; struct pci_dev *pci_dev; acpi_handle handle; u8 function; /* pci function# */ u32 flags; /* see below */ }; /** * struct acpiphp_attention_info - device specific attention registration * * ACPI has no generic method of setting/getting attention status * this allows for device specific driver registration */ struct acpiphp_attention_info { int (*set_attn)(struct hotplug_slot *slot, u8 status); int (*get_attn)(struct hotplug_slot *slot, u8 *status); struct module *owner; }; /* PCI bus bridge HID */ #define ACPI_PCI_HOST_HID "PNP0A03" /* PCI BRIDGE type */ #define BRIDGE_TYPE_HOST 0 #define BRIDGE_TYPE_P2P 1 /* ACPI _STA method value (ignore bit 4; battery present) */ #define ACPI_STA_PRESENT (0x00000001) #define ACPI_STA_ENABLED (0x00000002) #define ACPI_STA_SHOW_IN_UI (0x00000004) #define ACPI_STA_FUNCTIONING (0x00000008) #define ACPI_STA_ALL (0x0000000f) /* bridge flags */ #define BRIDGE_HAS_STA (0x00000001) #define BRIDGE_HAS_EJ0 (0x00000002) #define BRIDGE_HAS_HPP (0x00000004) #define BRIDGE_HAS_PS0 (0x00000010) #define BRIDGE_HAS_PS1 (0x00000020) #define BRIDGE_HAS_PS2 (0x00000040) #define BRIDGE_HAS_PS3 (0x00000080) /* slot flags */ #define SLOT_POWEREDON (0x00000001) #define SLOT_ENABLED (0x00000002) #define SLOT_MULTIFUNCTION (0x00000004) /* function flags */ #define FUNC_HAS_STA (0x00000001) #define FUNC_HAS_EJ0 (0x00000002) #define FUNC_HAS_PS0 (0x00000010) #define FUNC_HAS_PS1 (0x00000020) #define FUNC_HAS_PS2 (0x00000040) #define FUNC_HAS_PS3 (0x00000080) /* function prototypes */ /* acpiphp_core.c */ extern int acpiphp_register_attention(struct acpiphp_attention_info*info); extern int acpiphp_unregister_attention(struct acpiphp_attention_info *info); /* acpiphp_glue.c */ extern int acpiphp_glue_init (void); extern void acpiphp_glue_exit (void); extern int acpiphp_get_num_slots (void); extern struct acpiphp_slot *get_slot_from_id (int id); typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data); extern int acpiphp_enable_slot (struct acpiphp_slot *slot); extern int acpiphp_disable_slot (struct acpiphp_slot *slot); extern u8 acpiphp_get_power_status (struct acpiphp_slot *slot); extern u8 acpiphp_get_attention_status (struct acpiphp_slot *slot); extern u8 acpiphp_get_latch_status (struct acpiphp_slot *slot); extern u8 acpiphp_get_adapter_status (struct acpiphp_slot *slot); extern u32 acpiphp_get_address (struct acpiphp_slot *slot); /* variables */ extern int acpiphp_debug; #endif /* _ACPIPHP_H */ |