4 #define VME_CRCSR_BUF_SIZE (508*1024)
5 #define VME_SLOTS_MAX 32
9 struct vme_master_resource
{
10 struct list_head list
;
11 struct vme_bridge
*parent
;
13 * We are likely to need to access the VME bus in interrupt context, so
14 * protect master routines with a spinlock rather than a mutex.
19 vme_address_t address_attr
;
20 vme_cycle_t cycle_attr
;
21 vme_width_t width_attr
;
22 struct resource pci_resource
; /* XXX Rename to be bus agnostic */
26 struct vme_slave_resource
{
27 struct list_head list
;
28 struct vme_bridge
*parent
;
32 vme_address_t address_attr
;
33 vme_cycle_t cycle_attr
;
36 struct vme_dma_pattern
{
46 unsigned long long address
;
53 struct list_head list
;
54 struct vme_dma_resource
*parent
;
55 struct list_head entries
;
59 struct vme_dma_resource
{
60 struct list_head list
;
61 struct vme_bridge
*parent
;
65 struct list_head pending
;
66 struct list_head running
;
69 struct vme_lm_resource
{
70 struct list_head list
;
71 struct vme_bridge
*parent
;
78 struct vme_bus_error
{
79 struct list_head list
;
80 unsigned long long address
;
85 void (*func
)(int, int, void*);
91 struct vme_callback callback
[255];
94 /* Allow 16 characters for name (including null character) */
97 /* This structure stores all the information about one bridge
98 * The structure should be dynamically allocated by the driver and one instance
99 * of the structure should be present for each VME chip present in the system.
101 * Currently we assume that all chips are PCI-based
104 char name
[VMENAMSIZ
];
106 struct list_head master_resources
;
107 struct list_head slave_resources
;
108 struct list_head dma_resources
;
109 struct list_head lm_resources
;
111 struct list_head vme_errors
; /* List for errors generated on VME */
113 /* Bridge Info - XXX Move to private structure? */
114 struct device
*parent
; /* Generic device struct (pdev->dev for PCI) */
115 void * base
; /* Base Address of device registers */
117 struct device dev
[VME_SLOTS_MAX
]; /* Device registered with
118 * device model on VME bus
121 /* Interrupt callbacks */
122 struct vme_irq irq
[7];
123 /* Locking for VME irq callback configuration */
124 struct mutex irq_mtx
;
126 /* Slave Functions */
127 int (*slave_get
) (struct vme_slave_resource
*, int *,
128 unsigned long long *, unsigned long long *, dma_addr_t
*,
129 vme_address_t
*, vme_cycle_t
*);
130 int (*slave_set
) (struct vme_slave_resource
*, int, unsigned long long,
131 unsigned long long, dma_addr_t
, vme_address_t
, vme_cycle_t
);
133 /* Master Functions */
134 int (*master_get
) (struct vme_master_resource
*, int *,
135 unsigned long long *, unsigned long long *, vme_address_t
*,
136 vme_cycle_t
*, vme_width_t
*);
137 int (*master_set
) (struct vme_master_resource
*, int,
138 unsigned long long, unsigned long long, vme_address_t
,
139 vme_cycle_t
, vme_width_t
);
140 ssize_t (*master_read
) (struct vme_master_resource
*, void *, size_t,
142 ssize_t (*master_write
) (struct vme_master_resource
*, void *, size_t,
144 unsigned int (*master_rmw
) (struct vme_master_resource
*, unsigned int,
145 unsigned int, unsigned int, loff_t
);
148 int (*dma_list_add
) (struct vme_dma_list
*, struct vme_dma_attr
*,
149 struct vme_dma_attr
*, size_t);
150 int (*dma_list_exec
) (struct vme_dma_list
*);
151 int (*dma_list_empty
) (struct vme_dma_list
*);
153 /* Interrupt Functions */
154 void (*irq_set
) (int, int, int);
155 int (*irq_generate
) (int, int);
157 /* Location monitor functions */
158 int (*lm_set
) (struct vme_lm_resource
*, unsigned long long,
159 vme_address_t
, vme_cycle_t
);
160 int (*lm_get
) (struct vme_lm_resource
*, unsigned long long *,
161 vme_address_t
*, vme_cycle_t
*);
162 int (*lm_attach
) (struct vme_lm_resource
*, int, void (*callback
)(int));
163 int (*lm_detach
) (struct vme_lm_resource
*, int);
165 /* CR/CSR space functions */
166 int (*slot_get
) (void);
167 /* Use standard master read and write functions to access CR/CSR */
170 int (*set_prefetch
) (void);
171 int (*get_prefetch
) (void);
172 int (*set_arbiter
) (void);
173 int (*get_arbiter
) (void);
174 int (*set_requestor
) (void);
175 int (*get_requestor
) (void);
179 void vme_irq_handler(struct vme_bridge
*, int, int);
181 int vme_register_bridge (struct vme_bridge
*);
182 void vme_unregister_bridge (struct vme_bridge
*);
184 #endif /* _VME_BRIDGE_H_ */
188 * VMEbus GET INFO Arg Structure
191 int vmeSlotNum
; /* VME slot number of interest */
192 int boardResponded
; /* Board responded */
193 char sysConFlag
; /* System controller flag */
194 int vmeControllerID
; /* Vendor/device ID of VME bridge */
195 int vmeControllerRev
; /* Revision of VME bridge */
196 char osName
[8]; /* Name of OS e.g. "Linux" */
197 int vmeSharedDataValid
; /* Validity of data struct */
198 int vmeDriverRev
; /* Revision of VME driver */
199 unsigned int vmeAddrHi
[8]; /* Address on VME bus */
200 unsigned int vmeAddrLo
[8]; /* Address on VME bus */
201 unsigned int vmeSize
[8]; /* Size on VME bus */
202 unsigned int vmeAm
[8]; /* Address modifier on VME bus */
203 int reserved
; /* For future use */
205 typedef struct vmeInfoCfg vmeInfoCfg_t
;
208 * VMEbus Requester Arg Structure
210 struct vmeRequesterCfg
{
211 int requestLevel
; /* Requester Bus Request Level */
212 char fairMode
; /* Requester Fairness Mode Indicator */
213 int releaseMode
; /* Requester Bus Release Mode */
214 int timeonTimeoutTimer
; /* Master Time-on Time-out Timer */
215 int timeoffTimeoutTimer
; /* Master Time-off Time-out Timer */
216 int reserved
; /* For future use */
218 typedef struct vmeRequesterCfg vmeRequesterCfg_t
;
221 * VMEbus Arbiter Arg Structure
223 struct vmeArbiterCfg
{
224 vme_arbitration_t arbiterMode
; /* Arbitration Scheduling Algorithm */
225 char arbiterTimeoutFlag
; /* Arbiter Time-out Timer Indicator */
226 int globalTimeoutTimer
; /* VMEbus Global Time-out Timer */
227 char noEarlyReleaseFlag
; /* No Early Release on BBUSY */
228 int reserved
; /* For future use */
230 typedef struct vmeArbiterCfg vmeArbiterCfg_t
;
234 * VMEbus RMW Configuration Data
237 unsigned int targetAddrU
; /* VME Address (Upper) to trigger RMW cycle */
238 unsigned int targetAddr
; /* VME Address (Lower) to trigger RMW cycle */
239 vme_address_t addrSpace
; /* VME Address Space */
240 int enableMask
; /* Bit mask defining the bits of interest */
241 int compareData
; /* Data to be compared with the data read */
242 int swapData
; /* Data written to the VMEbus on success */
243 int maxAttempts
; /* Maximum times to try */
244 int numAttempts
; /* Number of attempts before success */
245 int reserved
; /* For future use */
248 typedef struct vmeRmwCfg vmeRmwCfg_t
;
251 * VMEbus Location Monitor Arg Structure
254 unsigned int addrU
; /* Location Monitor Address upper */
255 unsigned int addr
; /* Location Monitor Address lower */
256 vme_address_t addrSpace
; /* Address Space */
257 int userAccessType
; /* User/Supervisor Access Type */
258 int dataAccessType
; /* Data/Program Access Type */
259 int lmWait
; /* Time to wait for access */
260 int lmEvents
; /* Lm event mask */
261 int reserved
; /* For future use */
263 typedef struct vmeLmCfg vmeLmCfg_t
;