xref: /linux/include/linux/rio.h (revision ded05782719d0f7e79af98be7cf88c7e23a90435)
170a50ebdSMatt Porter /*
270a50ebdSMatt Porter  * RapidIO interconnect services
370a50ebdSMatt Porter  * (RapidIO Interconnect Specification, http://www.rapidio.org)
470a50ebdSMatt Porter  *
570a50ebdSMatt Porter  * Copyright 2005 MontaVista Software, Inc.
670a50ebdSMatt Porter  * Matt Porter <mporter@kernel.crashing.org>
770a50ebdSMatt Porter  *
870a50ebdSMatt Porter  * This program is free software; you can redistribute  it and/or modify it
970a50ebdSMatt Porter  * under  the terms of  the GNU General  Public License as published by the
1070a50ebdSMatt Porter  * Free Software Foundation;  either version 2 of the  License, or (at your
1170a50ebdSMatt Porter  * option) any later version.
1270a50ebdSMatt Porter  */
1370a50ebdSMatt Porter 
1470a50ebdSMatt Porter #ifndef LINUX_RIO_H
1570a50ebdSMatt Porter #define LINUX_RIO_H
1670a50ebdSMatt Porter 
1770a50ebdSMatt Porter #include <linux/types.h>
1870a50ebdSMatt Porter #include <linux/ioport.h>
1970a50ebdSMatt Porter #include <linux/list.h>
2070a50ebdSMatt Porter #include <linux/errno.h>
2170a50ebdSMatt Porter #include <linux/device.h>
2270a50ebdSMatt Porter #include <linux/rio_regs.h>
2370a50ebdSMatt Porter 
2470a50ebdSMatt Porter #define RIO_NO_HOPCOUNT		-1
25c70555b0SAlexandre Bounine #define RIO_INVALID_DESTID	0xffff
2670a50ebdSMatt Porter 
2770a50ebdSMatt Porter #define RIO_MAX_MPORT_RESOURCES	16
2870a50ebdSMatt Porter #define RIO_MAX_DEV_RESOURCES	16
2970a50ebdSMatt Porter 
3070a50ebdSMatt Porter #define RIO_GLOBAL_TABLE	0xff	/* Indicates access of a switch's
3170a50ebdSMatt Porter 					   global routing table if it
3270a50ebdSMatt Porter 					   has multiple (or per port)
3370a50ebdSMatt Porter 					   tables */
3470a50ebdSMatt Porter 
3570a50ebdSMatt Porter #define RIO_INVALID_ROUTE	0xff	/* Indicates that a route table
3670a50ebdSMatt Porter 					   entry is invalid (no route
3770a50ebdSMatt Porter 					   exists for the device ID) */
3870a50ebdSMatt Porter 
39e0423236SZhang Wei #define RIO_MAX_ROUTE_ENTRIES(size)	(size ? (1 << 16) : (1 << 8))
40e0423236SZhang Wei #define RIO_ANY_DESTID(size)		(size ? 0xffff : 0xff)
4170a50ebdSMatt Porter 
4270a50ebdSMatt Porter #define RIO_MAX_MBOX		4
4370a50ebdSMatt Porter #define RIO_MAX_MSG_SIZE	0x1000
4470a50ebdSMatt Porter 
4570a50ebdSMatt Porter /*
4670a50ebdSMatt Porter  * Error values that may be returned by RIO functions.
4770a50ebdSMatt Porter  */
4870a50ebdSMatt Porter #define RIO_SUCCESSFUL			0x00
4970a50ebdSMatt Porter #define RIO_BAD_SIZE			0x81
5070a50ebdSMatt Porter 
5170a50ebdSMatt Porter /*
5270a50ebdSMatt Porter  * For RIO devices, the region numbers are assigned this way:
5370a50ebdSMatt Porter  *
5470a50ebdSMatt Porter  *	0	RapidIO outbound doorbells
5570a50ebdSMatt Porter  *      1-15	RapidIO memory regions
5670a50ebdSMatt Porter  *
5770a50ebdSMatt Porter  * For RIO master ports, the region number are assigned this way:
5870a50ebdSMatt Porter  *
5970a50ebdSMatt Porter  *	0	RapidIO inbound doorbells
6070a50ebdSMatt Porter  *	1	RapidIO inbound mailboxes
6170a50ebdSMatt Porter  *	1	RapidIO outbound mailboxes
6270a50ebdSMatt Porter  */
6370a50ebdSMatt Porter #define RIO_DOORBELL_RESOURCE	0
6470a50ebdSMatt Porter #define RIO_INB_MBOX_RESOURCE	1
6570a50ebdSMatt Porter #define RIO_OUTB_MBOX_RESOURCE	2
6670a50ebdSMatt Porter 
67e5cabeb3SAlexandre Bounine #define RIO_PW_MSG_SIZE		64
68e5cabeb3SAlexandre Bounine 
6970a50ebdSMatt Porter extern struct bus_type rio_bus_type;
702c70f022SAlexandre Bounine extern struct device rio_bus;
7170a50ebdSMatt Porter extern struct list_head rio_devices;	/* list of all devices */
7270a50ebdSMatt Porter 
7370a50ebdSMatt Porter struct rio_mport;
74*ded05782SAlexandre Bounine struct rio_dev;
75e5cabeb3SAlexandre Bounine union rio_pw_msg;
7670a50ebdSMatt Porter 
7770a50ebdSMatt Porter /**
78*ded05782SAlexandre Bounine  * struct rio_switch - RIO switch info
79*ded05782SAlexandre Bounine  * @node: Node in global list of switches
80*ded05782SAlexandre Bounine  * @switchid: Switch ID that is unique across a network
81*ded05782SAlexandre Bounine  * @route_table: Copy of switch routing table
82*ded05782SAlexandre Bounine  * @port_ok: Status of each port (one bit per port) - OK=1 or UNINIT=0
83*ded05782SAlexandre Bounine  * @add_entry: Callback for switch-specific route add function
84*ded05782SAlexandre Bounine  * @get_entry: Callback for switch-specific route get function
85*ded05782SAlexandre Bounine  * @clr_table: Callback for switch-specific clear route table function
86*ded05782SAlexandre Bounine  * @set_domain: Callback for switch-specific domain setting function
87*ded05782SAlexandre Bounine  * @get_domain: Callback for switch-specific domain get function
88*ded05782SAlexandre Bounine  * @em_init: Callback for switch-specific error management init function
89*ded05782SAlexandre Bounine  * @em_handle: Callback for switch-specific error management handler function
90*ded05782SAlexandre Bounine  * @sw_sysfs: Callback that initializes switch-specific sysfs attributes
91*ded05782SAlexandre Bounine  * @nextdev: Array of per-port pointers to the next attached device
92*ded05782SAlexandre Bounine  */
93*ded05782SAlexandre Bounine struct rio_switch {
94*ded05782SAlexandre Bounine 	struct list_head node;
95*ded05782SAlexandre Bounine 	u16 switchid;
96*ded05782SAlexandre Bounine 	u8 *route_table;
97*ded05782SAlexandre Bounine 	u32 port_ok;
98*ded05782SAlexandre Bounine 	int (*add_entry) (struct rio_mport *mport, u16 destid, u8 hopcount,
99*ded05782SAlexandre Bounine 			  u16 table, u16 route_destid, u8 route_port);
100*ded05782SAlexandre Bounine 	int (*get_entry) (struct rio_mport *mport, u16 destid, u8 hopcount,
101*ded05782SAlexandre Bounine 			  u16 table, u16 route_destid, u8 *route_port);
102*ded05782SAlexandre Bounine 	int (*clr_table) (struct rio_mport *mport, u16 destid, u8 hopcount,
103*ded05782SAlexandre Bounine 			  u16 table);
104*ded05782SAlexandre Bounine 	int (*set_domain) (struct rio_mport *mport, u16 destid, u8 hopcount,
105*ded05782SAlexandre Bounine 			   u8 sw_domain);
106*ded05782SAlexandre Bounine 	int (*get_domain) (struct rio_mport *mport, u16 destid, u8 hopcount,
107*ded05782SAlexandre Bounine 			   u8 *sw_domain);
108*ded05782SAlexandre Bounine 	int (*em_init) (struct rio_dev *dev);
109*ded05782SAlexandre Bounine 	int (*em_handle) (struct rio_dev *dev, u8 swport);
110*ded05782SAlexandre Bounine 	int (*sw_sysfs) (struct rio_dev *dev, int create);
111*ded05782SAlexandre Bounine 	struct rio_dev *nextdev[0];
112*ded05782SAlexandre Bounine };
113*ded05782SAlexandre Bounine 
114*ded05782SAlexandre Bounine /**
11570a50ebdSMatt Porter  * struct rio_dev - RIO device info
11670a50ebdSMatt Porter  * @global_list: Node in list of all RIO devices
11770a50ebdSMatt Porter  * @net_list: Node in list of RIO devices in a network
11870a50ebdSMatt Porter  * @net: Network this device is a part of
11970a50ebdSMatt Porter  * @did: Device ID
12070a50ebdSMatt Porter  * @vid: Vendor ID
12170a50ebdSMatt Porter  * @device_rev: Device revision
12270a50ebdSMatt Porter  * @asm_did: Assembly device ID
12370a50ebdSMatt Porter  * @asm_vid: Assembly vendor ID
12470a50ebdSMatt Porter  * @asm_rev: Assembly revision
12570a50ebdSMatt Porter  * @efptr: Extended feature pointer
12670a50ebdSMatt Porter  * @pef: Processing element features
12770a50ebdSMatt Porter  * @swpinfo: Switch port info
12870a50ebdSMatt Porter  * @src_ops: Source operation capabilities
12970a50ebdSMatt Porter  * @dst_ops: Destination operation capabilities
13097ef6f74SRandy Dunlap  * @comp_tag: RIO component tag
13197ef6f74SRandy Dunlap  * @phys_efptr: RIO device extended features pointer
13297ef6f74SRandy Dunlap  * @em_efptr: RIO Error Management features pointer
133fa78cc51SMatt Porter  * @dma_mask: Mask of bits of RIO address this device implements
13470a50ebdSMatt Porter  * @driver: Driver claiming this device
13570a50ebdSMatt Porter  * @dev: Device model device
13670a50ebdSMatt Porter  * @riores: RIO resources this device owns
13797ef6f74SRandy Dunlap  * @pwcback: port-write callback function for this device
138a93192a5SAlexandre Bounine  * @destid: Network destination ID (or associated destid for switch)
139a93192a5SAlexandre Bounine  * @hopcount: Hopcount to this device
14068fe4df5SAlexandre Bounine  * @prev: Previous RIO device connected to the current one
141*ded05782SAlexandre Bounine  * @rswitch: struct rio_switch (if valid for this device)
14270a50ebdSMatt Porter  */
14370a50ebdSMatt Porter struct rio_dev {
14470a50ebdSMatt Porter 	struct list_head global_list;	/* node in list of all RIO devices */
14570a50ebdSMatt Porter 	struct list_head net_list;	/* node in per net list */
14670a50ebdSMatt Porter 	struct rio_net *net;	/* RIO net this device resides in */
14770a50ebdSMatt Porter 	u16 did;
14870a50ebdSMatt Porter 	u16 vid;
14970a50ebdSMatt Porter 	u32 device_rev;
15070a50ebdSMatt Porter 	u16 asm_did;
15170a50ebdSMatt Porter 	u16 asm_vid;
15270a50ebdSMatt Porter 	u16 asm_rev;
15370a50ebdSMatt Porter 	u16 efptr;
15470a50ebdSMatt Porter 	u32 pef;
155ae05cbd5SAlexandre Bounine 	u32 swpinfo;
15670a50ebdSMatt Porter 	u32 src_ops;
15770a50ebdSMatt Porter 	u32 dst_ops;
158e5cabeb3SAlexandre Bounine 	u32 comp_tag;
159e5cabeb3SAlexandre Bounine 	u32 phys_efptr;
160e5cabeb3SAlexandre Bounine 	u32 em_efptr;
161fa78cc51SMatt Porter 	u64 dma_mask;
16270a50ebdSMatt Porter 	struct rio_driver *driver;	/* RIO driver claiming this device */
16370a50ebdSMatt Porter 	struct device dev;	/* LDM device structure */
16470a50ebdSMatt Porter 	struct resource riores[RIO_MAX_DEV_RESOURCES];
165e5cabeb3SAlexandre Bounine 	int (*pwcback) (struct rio_dev *rdev, union rio_pw_msg *msg, int step);
16670a50ebdSMatt Porter 	u16 destid;
167a93192a5SAlexandre Bounine 	u8 hopcount;
16868fe4df5SAlexandre Bounine 	struct rio_dev *prev;
169*ded05782SAlexandre Bounine 	struct rio_switch rswitch[0];	/* RIO switch info */
17070a50ebdSMatt Porter };
17170a50ebdSMatt Porter 
17270a50ebdSMatt Porter #define rio_dev_g(n) list_entry(n, struct rio_dev, global_list)
17370a50ebdSMatt Porter #define rio_dev_f(n) list_entry(n, struct rio_dev, net_list)
17470a50ebdSMatt Porter #define	to_rio_dev(n) container_of(n, struct rio_dev, dev)
175*ded05782SAlexandre Bounine #define sw_to_rio_dev(n) container_of(n, struct rio_dev, rswitch[0])
17670a50ebdSMatt Porter 
17770a50ebdSMatt Porter /**
17870a50ebdSMatt Porter  * struct rio_msg - RIO message event
17970a50ebdSMatt Porter  * @res: Mailbox resource
18070a50ebdSMatt Porter  * @mcback: Message event callback
18170a50ebdSMatt Porter  */
18270a50ebdSMatt Porter struct rio_msg {
18370a50ebdSMatt Porter 	struct resource *res;
1846978bbc0SMatt Porter 	void (*mcback) (struct rio_mport * mport, void *dev_id, int mbox, int slot);
18570a50ebdSMatt Porter };
18670a50ebdSMatt Porter 
18770a50ebdSMatt Porter /**
18870a50ebdSMatt Porter  * struct rio_dbell - RIO doorbell event
18970a50ebdSMatt Porter  * @node: Node in list of doorbell events
19070a50ebdSMatt Porter  * @res: Doorbell resource
19170a50ebdSMatt Porter  * @dinb: Doorbell event callback
1926978bbc0SMatt Porter  * @dev_id: Device specific pointer to pass on event
19370a50ebdSMatt Porter  */
19470a50ebdSMatt Porter struct rio_dbell {
19570a50ebdSMatt Porter 	struct list_head node;
19670a50ebdSMatt Porter 	struct resource *res;
1976978bbc0SMatt Porter 	void (*dinb) (struct rio_mport *mport, void *dev_id, u16 src, u16 dst, u16 info);
1986978bbc0SMatt Porter 	void *dev_id;
19970a50ebdSMatt Porter };
20070a50ebdSMatt Porter 
20161b26917SZhang Wei enum rio_phy_type {
20261b26917SZhang Wei 	RIO_PHY_PARALLEL,
20361b26917SZhang Wei 	RIO_PHY_SERIAL,
20461b26917SZhang Wei };
20561b26917SZhang Wei 
20670a50ebdSMatt Porter /**
20770a50ebdSMatt Porter  * struct rio_mport - RIO master port info
20870a50ebdSMatt Porter  * @dbells: List of doorbell events
20970a50ebdSMatt Porter  * @node: Node in global list of master ports
21070a50ebdSMatt Porter  * @nnode: Node in network list of master ports
21170a50ebdSMatt Porter  * @iores: I/O mem resource that this master port interface owns
21270a50ebdSMatt Porter  * @riores: RIO resources that this master port interfaces owns
21370a50ebdSMatt Porter  * @inb_msg: RIO inbound message event descriptors
21470a50ebdSMatt Porter  * @outb_msg: RIO outbound message event descriptors
21570a50ebdSMatt Porter  * @host_deviceid: Host device ID associated with this master port
21670a50ebdSMatt Porter  * @ops: configuration space functions
21770a50ebdSMatt Porter  * @id: Port ID, unique among all ports
21870a50ebdSMatt Porter  * @index: Port index, unique among all port interfaces of the same type
2199941d945SRandy Dunlap  * @sys_size: RapidIO common transport system size
2209941d945SRandy Dunlap  * @phy_type: RapidIO phy type
221af84ca38SAlexandre Bounine  * @phys_efptr: RIO port extended features pointer
22270a50ebdSMatt Porter  * @name: Port name string
223ad1e9380SZhang Wei  * @priv: Master port private data
22470a50ebdSMatt Porter  */
22570a50ebdSMatt Porter struct rio_mport {
22670a50ebdSMatt Porter 	struct list_head dbells;	/* list of doorbell events */
22770a50ebdSMatt Porter 	struct list_head node;	/* node in global list of ports */
22870a50ebdSMatt Porter 	struct list_head nnode;	/* node in net list of ports */
22970a50ebdSMatt Porter 	struct resource iores;
23070a50ebdSMatt Porter 	struct resource riores[RIO_MAX_MPORT_RESOURCES];
23170a50ebdSMatt Porter 	struct rio_msg inb_msg[RIO_MAX_MBOX];
23270a50ebdSMatt Porter 	struct rio_msg outb_msg[RIO_MAX_MBOX];
23370a50ebdSMatt Porter 	int host_deviceid;	/* Host device ID */
23470a50ebdSMatt Porter 	struct rio_ops *ops;	/* maintenance transaction functions */
23570a50ebdSMatt Porter 	unsigned char id;	/* port ID, unique among all ports */
23670a50ebdSMatt Porter 	unsigned char index;	/* port index, unique among all port
23770a50ebdSMatt Porter 				   interfaces of the same type */
238e0423236SZhang Wei 	unsigned int sys_size;	/* RapidIO common transport system size.
239e0423236SZhang Wei 				 * 0 - Small size. 256 devices.
240e0423236SZhang Wei 				 * 1 - Large size, 65536 devices.
241e0423236SZhang Wei 				 */
24261b26917SZhang Wei 	enum rio_phy_type phy_type;	/* RapidIO phy type */
243af84ca38SAlexandre Bounine 	u32 phys_efptr;
24470a50ebdSMatt Porter 	unsigned char name[40];
245ad1e9380SZhang Wei 	void *priv;		/* Master port private data */
24670a50ebdSMatt Porter };
24770a50ebdSMatt Porter 
24870a50ebdSMatt Porter /**
24970a50ebdSMatt Porter  * struct rio_net - RIO network info
25070a50ebdSMatt Porter  * @node: Node in global list of RIO networks
25170a50ebdSMatt Porter  * @devices: List of devices in this network
25270a50ebdSMatt Porter  * @mports: List of master ports accessing this network
25370a50ebdSMatt Porter  * @hport: Default port for accessing this network
25470a50ebdSMatt Porter  * @id: RIO network ID
25570a50ebdSMatt Porter  */
25670a50ebdSMatt Porter struct rio_net {
25770a50ebdSMatt Porter 	struct list_head node;	/* node in list of networks */
25870a50ebdSMatt Porter 	struct list_head devices;	/* list of devices in this net */
25970a50ebdSMatt Porter 	struct list_head mports;	/* list of ports accessing net */
26070a50ebdSMatt Porter 	struct rio_mport *hport;	/* primary port for accessing net */
26170a50ebdSMatt Porter 	unsigned char id;	/* RIO network ID */
26270a50ebdSMatt Porter };
26370a50ebdSMatt Porter 
264ac38d723SAlexandre Bounine /* Definitions used by switch sysfs initialization callback */
265ac38d723SAlexandre Bounine #define RIO_SW_SYSFS_CREATE	1	/* Create switch attributes */
266ac38d723SAlexandre Bounine #define RIO_SW_SYSFS_REMOVE	0	/* Remove switch attributes */
267ac38d723SAlexandre Bounine 
26870a50ebdSMatt Porter /* Low-level architecture-dependent routines */
26970a50ebdSMatt Porter 
27070a50ebdSMatt Porter /**
27170a50ebdSMatt Porter  * struct rio_ops - Low-level RIO configuration space operations
27270a50ebdSMatt Porter  * @lcread: Callback to perform local (master port) read of config space.
27370a50ebdSMatt Porter  * @lcwrite: Callback to perform local (master port) write of config space.
27470a50ebdSMatt Porter  * @cread: Callback to perform network read of config space.
27570a50ebdSMatt Porter  * @cwrite: Callback to perform network write of config space.
27670a50ebdSMatt Porter  * @dsend: Callback to send a doorbell message.
277e5cabeb3SAlexandre Bounine  * @pwenable: Callback to enable/disable port-write message handling.
27870a50ebdSMatt Porter  */
27970a50ebdSMatt Porter struct rio_ops {
280ad1e9380SZhang Wei 	int (*lcread) (struct rio_mport *mport, int index, u32 offset, int len,
28170a50ebdSMatt Porter 			u32 *data);
282ad1e9380SZhang Wei 	int (*lcwrite) (struct rio_mport *mport, int index, u32 offset, int len,
28370a50ebdSMatt Porter 			u32 data);
284ad1e9380SZhang Wei 	int (*cread) (struct rio_mport *mport, int index, u16 destid,
285ad1e9380SZhang Wei 			u8 hopcount, u32 offset, int len, u32 *data);
286ad1e9380SZhang Wei 	int (*cwrite) (struct rio_mport *mport, int index, u16 destid,
287ad1e9380SZhang Wei 			u8 hopcount, u32 offset, int len, u32 data);
288ad1e9380SZhang Wei 	int (*dsend) (struct rio_mport *mport, int index, u16 destid, u16 data);
289e5cabeb3SAlexandre Bounine 	int (*pwenable) (struct rio_mport *mport, int enable);
29070a50ebdSMatt Porter };
29170a50ebdSMatt Porter 
29270a50ebdSMatt Porter #define RIO_RESOURCE_MEM	0x00000100
29370a50ebdSMatt Porter #define RIO_RESOURCE_DOORBELL	0x00000200
29470a50ebdSMatt Porter #define RIO_RESOURCE_MAILBOX	0x00000400
29570a50ebdSMatt Porter 
29670a50ebdSMatt Porter #define RIO_RESOURCE_CACHEABLE	0x00010000
29770a50ebdSMatt Porter #define RIO_RESOURCE_PCI	0x00020000
29870a50ebdSMatt Porter 
29970a50ebdSMatt Porter #define RIO_RESOURCE_BUSY	0x80000000
30070a50ebdSMatt Porter 
30170a50ebdSMatt Porter /**
30270a50ebdSMatt Porter  * struct rio_driver - RIO driver info
30370a50ebdSMatt Porter  * @node: Node in list of drivers
30470a50ebdSMatt Porter  * @name: RIO driver name
30570a50ebdSMatt Porter  * @id_table: RIO device ids to be associated with this driver
30670a50ebdSMatt Porter  * @probe: RIO device inserted
30770a50ebdSMatt Porter  * @remove: RIO device removed
30870a50ebdSMatt Porter  * @suspend: RIO device suspended
30970a50ebdSMatt Porter  * @resume: RIO device awakened
31070a50ebdSMatt Porter  * @enable_wake: RIO device enable wake event
31170a50ebdSMatt Porter  * @driver: LDM driver struct
31270a50ebdSMatt Porter  *
31370a50ebdSMatt Porter  * Provides info on a RIO device driver for insertion/removal and
31470a50ebdSMatt Porter  * power management purposes.
31570a50ebdSMatt Porter  */
31670a50ebdSMatt Porter struct rio_driver {
31770a50ebdSMatt Porter 	struct list_head node;
31870a50ebdSMatt Porter 	char *name;
31970a50ebdSMatt Porter 	const struct rio_device_id *id_table;
32070a50ebdSMatt Porter 	int (*probe) (struct rio_dev * dev, const struct rio_device_id * id);
32170a50ebdSMatt Porter 	void (*remove) (struct rio_dev * dev);
32270a50ebdSMatt Porter 	int (*suspend) (struct rio_dev * dev, u32 state);
32370a50ebdSMatt Porter 	int (*resume) (struct rio_dev * dev);
32470a50ebdSMatt Porter 	int (*enable_wake) (struct rio_dev * dev, u32 state, int enable);
32570a50ebdSMatt Porter 	struct device_driver driver;
32670a50ebdSMatt Porter };
32770a50ebdSMatt Porter 
32870a50ebdSMatt Porter #define	to_rio_driver(drv) container_of(drv,struct rio_driver, driver)
32970a50ebdSMatt Porter 
33070a50ebdSMatt Porter /**
33170a50ebdSMatt Porter  * struct rio_device_id - RIO device identifier
33270a50ebdSMatt Porter  * @did: RIO device ID
33370a50ebdSMatt Porter  * @vid: RIO vendor ID
33470a50ebdSMatt Porter  * @asm_did: RIO assembly device ID
33570a50ebdSMatt Porter  * @asm_vid: RIO assembly vendor ID
33670a50ebdSMatt Porter  *
33770a50ebdSMatt Porter  * Identifies a RIO device based on both the device/vendor IDs and
33870a50ebdSMatt Porter  * the assembly device/vendor IDs.
33970a50ebdSMatt Porter  */
34070a50ebdSMatt Porter struct rio_device_id {
34170a50ebdSMatt Porter 	u16 did, vid;
34270a50ebdSMatt Porter 	u16 asm_did, asm_vid;
34370a50ebdSMatt Porter };
34470a50ebdSMatt Porter 
34570a50ebdSMatt Porter /**
346058f88d6SAlexandre Bounine  * struct rio_switch_ops - Per-switch operations
34770a50ebdSMatt Porter  * @vid: RIO vendor ID
34870a50ebdSMatt Porter  * @did: RIO device ID
349058f88d6SAlexandre Bounine  * @init_hook: Callback that performs switch device initialization
35070a50ebdSMatt Porter  *
351058f88d6SAlexandre Bounine  * Defines the operations that are necessary to initialize/control
352058f88d6SAlexandre Bounine  * a particular RIO switch device.
35370a50ebdSMatt Porter  */
354058f88d6SAlexandre Bounine struct rio_switch_ops {
35570a50ebdSMatt Porter 	u16 vid, did;
356058f88d6SAlexandre Bounine 	int (*init_hook) (struct rio_dev *rdev, int do_enum);
357e5cabeb3SAlexandre Bounine };
358e5cabeb3SAlexandre Bounine 
359e5cabeb3SAlexandre Bounine union rio_pw_msg {
360e5cabeb3SAlexandre Bounine 	struct {
361e5cabeb3SAlexandre Bounine 		u32 comptag;	/* Component Tag CSR */
362e5cabeb3SAlexandre Bounine 		u32 errdetect;	/* Port N Error Detect CSR */
363e5cabeb3SAlexandre Bounine 		u32 is_port;	/* Implementation specific + PortID */
364e5cabeb3SAlexandre Bounine 		u32 ltlerrdet;	/* LTL Error Detect CSR */
365e5cabeb3SAlexandre Bounine 		u32 padding[12];
366e5cabeb3SAlexandre Bounine 	} em;
367e5cabeb3SAlexandre Bounine 	u32 raw[RIO_PW_MSG_SIZE/sizeof(u32)];
368e5cabeb3SAlexandre Bounine };
369e5cabeb3SAlexandre Bounine 
37070a50ebdSMatt Porter /* Architecture and hardware-specific functions */
37170a50ebdSMatt Porter extern int rio_init_mports(void);
37270a50ebdSMatt Porter extern void rio_register_mport(struct rio_mport *);
37370a50ebdSMatt Porter extern int rio_hw_add_outb_message(struct rio_mport *, struct rio_dev *, int,
37470a50ebdSMatt Porter 				   void *, size_t);
37570a50ebdSMatt Porter extern int rio_hw_add_inb_buffer(struct rio_mport *, int, void *);
37670a50ebdSMatt Porter extern void *rio_hw_get_inb_message(struct rio_mport *, int);
3776978bbc0SMatt Porter extern int rio_open_inb_mbox(struct rio_mport *, void *, int, int);
37870a50ebdSMatt Porter extern void rio_close_inb_mbox(struct rio_mport *, int);
3796978bbc0SMatt Porter extern int rio_open_outb_mbox(struct rio_mport *, void *, int, int);
38070a50ebdSMatt Porter extern void rio_close_outb_mbox(struct rio_mport *, int);
38170a50ebdSMatt Porter 
38270a50ebdSMatt Porter #endif				/* LINUX_RIO_H */
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