^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* SPDX-License-Identifier: GPL-2.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * CompactPCI Hot Plug Core Functions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2002 SOMA Networks, Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2001 Greg Kroah-Hartman (greg@kroah.com)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2001 IBM Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * Send feedback to <scottm@somanetworks.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #ifndef _CPCI_HOTPLUG_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define _CPCI_HOTPLUG_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/pci.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/pci_hotplug.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) /* PICMG 2.1 R2.0 HS CSR bits: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define HS_CSR_INS 0x0080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define HS_CSR_EXT 0x0040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define HS_CSR_PI 0x0030
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define HS_CSR_LOO 0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define HS_CSR_PIE 0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #define HS_CSR_EIM 0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define HS_CSR_DHA 0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct slot {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) u8 number;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) unsigned int devfn;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) struct pci_bus *bus;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct pci_dev *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) unsigned int latch_status:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) unsigned int adapter_status:1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) unsigned int extracting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct hotplug_slot hotplug_slot;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct list_head slot_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct cpci_hp_controller_ops {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) int (*query_enum)(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) int (*enable_irq)(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int (*disable_irq)(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int (*check_irq)(void *dev_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) int (*hardware_test)(struct slot *slot, u32 value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) u8 (*get_power)(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) int (*set_power)(struct slot *slot, int value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct cpci_hp_controller {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) unsigned int irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) unsigned long irq_flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) char *devname;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) void *dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) char *name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct cpci_hp_controller_ops *ops;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static inline const char *slot_name(struct slot *slot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) return hotplug_slot_name(&slot->hotplug_slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) static inline struct slot *to_slot(struct hotplug_slot *hotplug_slot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) return container_of(hotplug_slot, struct slot, hotplug_slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) int cpci_hp_register_controller(struct cpci_hp_controller *controller);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) int cpci_hp_unregister_controller(struct cpci_hp_controller *controller);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) int cpci_hp_register_bus(struct pci_bus *bus, u8 first, u8 last);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) int cpci_hp_unregister_bus(struct pci_bus *bus);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) int cpci_hp_start(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int cpci_hp_stop(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) * Internal function prototypes, these functions should not be used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) * board/chassis drivers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) u8 cpci_get_attention_status(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) u8 cpci_get_latch_status(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) u8 cpci_get_adapter_status(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) u16 cpci_get_hs_csr(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int cpci_set_attention_status(struct slot *slot, int status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int cpci_check_and_clear_ins(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) int cpci_check_ext(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) int cpci_clear_ext(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) int cpci_led_on(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int cpci_led_off(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int cpci_configure_slot(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) int cpci_unconfigure_slot(struct slot *slot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) #ifdef CONFIG_HOTPLUG_PCI_CPCI
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) int cpci_hotplug_init(int debug);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) static inline int cpci_hotplug_init(int debug) { return 0; }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) #endif /* _CPCI_HOTPLUG_H */
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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