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git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blob - include/linux/vme.h
1 /* SPDX-License-Identifier: GPL-2.0 */
6 enum vme_resource_type
{
13 /* VME Address Spaces */
18 #define VME_CRCSR 0x10
19 #define VME_USER1 0x20
20 #define VME_USER2 0x40
21 #define VME_USER3 0x80
22 #define VME_USER4 0x100
24 #define VME_A16_MAX 0x10000ULL
25 #define VME_A24_MAX 0x1000000ULL
26 #define VME_A32_MAX 0x100000000ULL
27 #define VME_A64_MAX 0x10000000000000000ULL
28 #define VME_CRCSR_MAX 0x1000000ULL
36 #define VME_2eSST 0x10
37 #define VME_2eSSTB 0x20
39 #define VME_2eSST160 0x100
40 #define VME_2eSST267 0x200
41 #define VME_2eSST320 0x400
43 #define VME_SUPER 0x1000
44 #define VME_USER 0x2000
45 #define VME_PROG 0x4000
46 #define VME_DATA 0x8000
54 /* Arbitration Scheduling Modes */
55 #define VME_R_ROBIN_MODE 0x1
56 #define VME_PRIORITY_MODE 0x2
58 #define VME_DMA_PATTERN (1<<0)
59 #define VME_DMA_PCI (1<<1)
60 #define VME_DMA_VME (1<<2)
62 #define VME_DMA_PATTERN_BYTE (1<<0)
63 #define VME_DMA_PATTERN_WORD (1<<1)
64 #define VME_DMA_PATTERN_INCREMENT (1<<2)
66 #define VME_DMA_VME_TO_MEM (1<<0)
67 #define VME_DMA_MEM_TO_VME (1<<1)
68 #define VME_DMA_VME_TO_VME (1<<2)
69 #define VME_DMA_MEM_TO_MEM (1<<3)
70 #define VME_DMA_PATTERN_TO_VME (1<<4)
71 #define VME_DMA_PATTERN_TO_MEM (1<<5)
79 enum vme_resource_type type
;
80 struct list_head
*entry
;
83 extern struct bus_type vme_bus_type
;
85 /* Number of VME interrupt vectors */
86 #define VME_NUM_STATUSID 256
88 /* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
89 #define VME_MAX_BRIDGES (sizeof(unsigned int)*8)
90 #define VME_MAX_SLOTS 32
92 #define VME_SLOT_CURRENT -1
93 #define VME_SLOT_ALL -2
96 * struct vme_dev - Structure representing a VME device
97 * @num: The device number
98 * @bridge: Pointer to the bridge device this device is on
99 * @dev: Internal device structure
100 * @drv_list: List of devices (per driver)
101 * @bridge_list: List of devices (per bridge)
105 struct vme_bridge
*bridge
;
107 struct list_head drv_list
;
108 struct list_head bridge_list
;
112 * struct vme_driver - Structure representing a VME driver
113 * @name: Driver name, should be unique among VME drivers and usually the same
114 * as the module name.
115 * @match: Callback used to determine whether probe should be run.
116 * @probe: Callback for device binding, called when new device is detected.
117 * @remove: Callback, called on device removal.
118 * @driver: Underlying generic device driver structure.
119 * @devices: List of VME devices (struct vme_dev) associated with this driver.
123 int (*match
)(struct vme_dev
*);
124 int (*probe
)(struct vme_dev
*);
125 int (*remove
)(struct vme_dev
*);
126 struct device_driver driver
;
127 struct list_head devices
;
130 void *vme_alloc_consistent(struct vme_resource
*, size_t, dma_addr_t
*);
131 void vme_free_consistent(struct vme_resource
*, size_t, void *,
134 size_t vme_get_size(struct vme_resource
*);
135 int vme_check_window(u32 aspace
, unsigned long long vme_base
,
136 unsigned long long size
);
138 struct vme_resource
*vme_slave_request(struct vme_dev
*, u32
, u32
);
139 int vme_slave_set(struct vme_resource
*, int, unsigned long long,
140 unsigned long long, dma_addr_t
, u32
, u32
);
141 int vme_slave_get(struct vme_resource
*, int *, unsigned long long *,
142 unsigned long long *, dma_addr_t
*, u32
*, u32
*);
143 void vme_slave_free(struct vme_resource
*);
145 struct vme_resource
*vme_master_request(struct vme_dev
*, u32
, u32
, u32
);
146 int vme_master_set(struct vme_resource
*, int, unsigned long long,
147 unsigned long long, u32
, u32
, u32
);
148 int vme_master_get(struct vme_resource
*, int *, unsigned long long *,
149 unsigned long long *, u32
*, u32
*, u32
*);
150 ssize_t
vme_master_read(struct vme_resource
*, void *, size_t, loff_t
);
151 ssize_t
vme_master_write(struct vme_resource
*, void *, size_t, loff_t
);
152 unsigned int vme_master_rmw(struct vme_resource
*, unsigned int, unsigned int,
153 unsigned int, loff_t
);
154 int vme_master_mmap(struct vme_resource
*resource
, struct vm_area_struct
*vma
);
155 void vme_master_free(struct vme_resource
*);
157 struct vme_resource
*vme_dma_request(struct vme_dev
*, u32
);
158 struct vme_dma_list
*vme_new_dma_list(struct vme_resource
*);
159 struct vme_dma_attr
*vme_dma_pattern_attribute(u32
, u32
);
160 struct vme_dma_attr
*vme_dma_pci_attribute(dma_addr_t
);
161 struct vme_dma_attr
*vme_dma_vme_attribute(unsigned long long, u32
, u32
, u32
);
162 void vme_dma_free_attribute(struct vme_dma_attr
*);
163 int vme_dma_list_add(struct vme_dma_list
*, struct vme_dma_attr
*,
164 struct vme_dma_attr
*, size_t);
165 int vme_dma_list_exec(struct vme_dma_list
*);
166 int vme_dma_list_free(struct vme_dma_list
*);
167 int vme_dma_free(struct vme_resource
*);
169 int vme_irq_request(struct vme_dev
*, int, int,
170 void (*callback
)(int, int, void *), void *);
171 void vme_irq_free(struct vme_dev
*, int, int);
172 int vme_irq_generate(struct vme_dev
*, int, int);
174 struct vme_resource
*vme_lm_request(struct vme_dev
*);
175 int vme_lm_count(struct vme_resource
*);
176 int vme_lm_set(struct vme_resource
*, unsigned long long, u32
, u32
);
177 int vme_lm_get(struct vme_resource
*, unsigned long long *, u32
*, u32
*);
178 int vme_lm_attach(struct vme_resource
*, int, void (*callback
)(void *), void *);
179 int vme_lm_detach(struct vme_resource
*, int);
180 void vme_lm_free(struct vme_resource
*);
182 int vme_slot_num(struct vme_dev
*);
183 int vme_bus_num(struct vme_dev
*);
185 int vme_register_driver(struct vme_driver
*, unsigned int);
186 void vme_unregister_driver(struct vme_driver
*);