blob: 6a0ddf757349d70f267e44030324aca3f2e821d1 [file] [log] [blame]
* CompactPCI Hot Plug Core Functions
* Copyright (C) 2002 SOMA Networks, Inc.
* Copyright (C) 2001 Greg Kroah-Hartman (
* Copyright (C) 2001 IBM Corp.
* 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
* 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 <>
#include <linux/types.h>
#include <linux/pci.h>
#include <linux/pci_hotplug.h>
/* PICMG 2.1 R2.0 HS CSR bits: */
#define HS_CSR_INS 0x0080
#define HS_CSR_EXT 0x0040
#define HS_CSR_PI 0x0030
#define HS_CSR_LOO 0x0008
#define HS_CSR_PIE 0x0004
#define HS_CSR_EIM 0x0002
#define HS_CSR_DHA 0x0001
struct slot {
u8 number;
unsigned int devfn;
struct pci_bus *bus;
struct pci_dev *dev;
unsigned int extracting;
struct hotplug_slot *hotplug_slot;
struct list_head slot_list;
struct cpci_hp_controller_ops {
int (*query_enum) (void);
int (*enable_irq) (void);
int (*disable_irq) (void);
int (*check_irq) (void *dev_id);
int (*hardware_test) (struct slot *slot, u32 value);
u8 (*get_power) (struct slot *slot);
int (*set_power) (struct slot *slot, int value);
struct cpci_hp_controller {
unsigned int irq;
unsigned long irq_flags;
char *devname;
void *dev_id;
char *name;
struct cpci_hp_controller_ops *ops;
static inline const char *slot_name(struct slot *slot)
return hotplug_slot_name(slot->hotplug_slot);
int cpci_hp_register_controller(struct cpci_hp_controller *controller);
int cpci_hp_unregister_controller(struct cpci_hp_controller *controller);
int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last);
int cpci_hp_unregister_bus(struct pci_bus *bus);
int cpci_hp_start(void);
int cpci_hp_stop(void);
* Internal function prototypes, these functions should not be used by
* board/chassis drivers.
u8 cpci_get_attention_status(struct slot *slot);
u8 cpci_get_latch_status(struct slot *slot);
u8 cpci_get_adapter_status(struct slot *slot);
u16 cpci_get_hs_csr(struct slot *slot);
int cpci_set_attention_status(struct slot *slot, int status);
int cpci_check_and_clear_ins(struct slot *slot);
int cpci_check_ext(struct slot *slot);
int cpci_clear_ext(struct slot *slot);
int cpci_led_on(struct slot *slot);
int cpci_led_off(struct slot *slot);
int cpci_configure_slot(struct slot *slot);
int cpci_unconfigure_slot(struct slot *slot);
int cpci_hotplug_init(int debug);
void cpci_hotplug_exit(void);
static inline int cpci_hotplug_init(int debug) { return 0; }
static inline void cpci_hotplug_exit(void) { }
#endif /* _CPCI_HOTPLUG_H */