1 /* 2 * CompactPCI Hot Plug Core Functions 3 * 4 * Copyright (C) 2002 SOMA Networks, Inc. 5 * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com) 6 * Copyright (C) 2001 IBM Corp. 7 * 8 * All rights reserved. 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or (at 13 * your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, but 16 * WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or 18 * NON INFRINGEMENT. See the GNU General Public License for more 19 * details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24 * 25 * Send feedback to <scottm@somanetworks.com> 26 */ 27 28 #ifndef _CPCI_HOTPLUG_H 29 #define _CPCI_HOTPLUG_H 30 31 #include <linux/types.h> 32 #include <linux/pci.h> 33 34 /* PICMG 2.1 R2.0 HS CSR bits: */ 35 #define HS_CSR_INS 0x0080 36 #define HS_CSR_EXT 0x0040 37 #define HS_CSR_PI 0x0030 38 #define HS_CSR_LOO 0x0008 39 #define HS_CSR_PIE 0x0004 40 #define HS_CSR_EIM 0x0002 41 #define HS_CSR_DHA 0x0001 42 43 struct slot { 44 u8 number; 45 unsigned int devfn; 46 struct pci_bus *bus; 47 struct pci_dev *dev; 48 unsigned int extracting; 49 struct hotplug_slot *hotplug_slot; 50 struct list_head slot_list; 51 }; 52 53 struct cpci_hp_controller_ops { 54 int (*query_enum) (void); 55 int (*enable_irq) (void); 56 int (*disable_irq) (void); 57 int (*check_irq) (void *dev_id); 58 int (*hardware_test) (struct slot* slot, u32 value); 59 u8 (*get_power) (struct slot* slot); 60 int (*set_power) (struct slot* slot, int value); 61 }; 62 63 struct cpci_hp_controller { 64 unsigned int irq; 65 unsigned long irq_flags; 66 char *devname; 67 void *dev_id; 68 char *name; 69 struct cpci_hp_controller_ops *ops; 70 }; 71 72 extern int cpci_hp_register_controller(struct cpci_hp_controller *controller); 73 extern int cpci_hp_unregister_controller(struct cpci_hp_controller *controller); 74 extern int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last); 75 extern int cpci_hp_unregister_bus(struct pci_bus *bus); 76 extern int cpci_hp_start(void); 77 extern int cpci_hp_stop(void); 78 79 /* 80 * Internal function prototypes, these functions should not be used by 81 * board/chassis drivers. 82 */ 83 extern u8 cpci_get_attention_status(struct slot *slot); 84 extern u8 cpci_get_latch_status(struct slot *slot); 85 extern u8 cpci_get_adapter_status(struct slot *slot); 86 extern u16 cpci_get_hs_csr(struct slot * slot); 87 extern int cpci_set_attention_status(struct slot *slot, int status); 88 extern int cpci_check_and_clear_ins(struct slot * slot); 89 extern int cpci_check_ext(struct slot * slot); 90 extern int cpci_clear_ext(struct slot * slot); 91 extern int cpci_led_on(struct slot * slot); 92 extern int cpci_led_off(struct slot * slot); 93 extern int cpci_configure_slot(struct slot *slot); 94 extern int cpci_unconfigure_slot(struct slot *slot); 95 96 #endif /* _CPCI_HOTPLUG_H */ 97