2005-04-16 22:20:36 +00:00
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/*
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* CompactPCI Hot Plug Core Functions
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*
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* Copyright (C) 2002 SOMA Networks, Inc.
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* Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
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* Copyright (C) 2001 IBM Corp.
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
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* NON INFRINGEMENT. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Send feedback to <scottm@somanetworks.com>
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*/
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#ifndef _CPCI_HOTPLUG_H
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#define _CPCI_HOTPLUG_H
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#include <linux/types.h>
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#include <linux/pci.h>
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2005-05-09 21:31:50 +00:00
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/* PICMG 2.1 R2.0 HS CSR bits: */
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2005-04-16 22:20:36 +00:00
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#define HS_CSR_INS 0x0080
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#define HS_CSR_EXT 0x0040
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#define HS_CSR_PI 0x0030
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#define HS_CSR_LOO 0x0008
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#define HS_CSR_PIE 0x0004
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#define HS_CSR_EIM 0x0002
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#define HS_CSR_DHA 0x0001
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struct slot {
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u8 number;
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unsigned int devfn;
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struct pci_bus *bus;
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struct pci_dev *dev;
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unsigned int extracting;
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struct hotplug_slot *hotplug_slot;
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struct list_head slot_list;
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};
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struct cpci_hp_controller_ops {
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int (*query_enum) (void);
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int (*enable_irq) (void);
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int (*disable_irq) (void);
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int (*check_irq) (void *dev_id);
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int (*hardware_test) (struct slot* slot, u32 value);
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u8 (*get_power) (struct slot* slot);
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int (*set_power) (struct slot* slot, int value);
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};
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struct cpci_hp_controller {
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unsigned int irq;
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unsigned long irq_flags;
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char *devname;
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void *dev_id;
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char *name;
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struct cpci_hp_controller_ops *ops;
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};
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extern int cpci_hp_register_controller(struct cpci_hp_controller *controller);
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extern int cpci_hp_unregister_controller(struct cpci_hp_controller *controller);
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extern int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last);
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extern int cpci_hp_unregister_bus(struct pci_bus *bus);
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extern int cpci_hp_start(void);
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extern int cpci_hp_stop(void);
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/*
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* Internal function prototypes, these functions should not be used by
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* board/chassis drivers.
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*/
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extern u8 cpci_get_attention_status(struct slot *slot);
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extern u8 cpci_get_latch_status(struct slot *slot);
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extern u8 cpci_get_adapter_status(struct slot *slot);
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extern u16 cpci_get_hs_csr(struct slot * slot);
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extern int cpci_set_attention_status(struct slot *slot, int status);
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extern int cpci_check_and_clear_ins(struct slot * slot);
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extern int cpci_check_ext(struct slot * slot);
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extern int cpci_clear_ext(struct slot * slot);
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extern int cpci_led_on(struct slot * slot);
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extern int cpci_led_off(struct slot * slot);
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extern int cpci_configure_slot(struct slot *slot);
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extern int cpci_unconfigure_slot(struct slot *slot);
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#endif /* _CPCI_HOTPLUG_H */
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