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Martyn Welcha17a75e2009-07-31 09:28:17 +01001#ifndef _VME_H_
2#define _VME_H_
3
4/* Resource Type */
5enum vme_resource_type {
6 VME_MASTER,
7 VME_SLAVE,
Martyn Welch42fb5032009-08-11 17:44:56 +01008 VME_DMA,
9 VME_LM
Martyn Welcha17a75e2009-07-31 09:28:17 +010010};
11
12/* VME Address Spaces */
Martyn Welcha17a75e2009-07-31 09:28:17 +010013#define VME_A16 0x1
14#define VME_A24 0x2
15#define VME_A32 0x4
16#define VME_A64 0x8
17#define VME_CRCSR 0x10
18#define VME_USER1 0x20
19#define VME_USER2 0x40
20#define VME_USER3 0x80
21#define VME_USER4 0x100
22
23#define VME_A16_MAX 0x10000ULL
24#define VME_A24_MAX 0x1000000ULL
25#define VME_A32_MAX 0x100000000ULL
26#define VME_A64_MAX 0x10000000000000000ULL
27#define VME_CRCSR_MAX 0x1000000ULL
28
29
30/* VME Cycle Types */
Martyn Welcha17a75e2009-07-31 09:28:17 +010031#define VME_SCT 0x1
32#define VME_BLT 0x2
33#define VME_MBLT 0x4
34#define VME_2eVME 0x8
35#define VME_2eSST 0x10
36#define VME_2eSSTB 0x20
37
38#define VME_2eSST160 0x100
39#define VME_2eSST267 0x200
40#define VME_2eSST320 0x400
41
42#define VME_SUPER 0x1000
43#define VME_USER 0x2000
44#define VME_PROG 0x4000
45#define VME_DATA 0x8000
46
47/* VME Data Widths */
Martyn Welcha17a75e2009-07-31 09:28:17 +010048#define VME_D8 0x1
49#define VME_D16 0x2
50#define VME_D32 0x4
51#define VME_D64 0x8
52
53/* Arbitration Scheduling Modes */
Martyn Welcha17a75e2009-07-31 09:28:17 +010054#define VME_R_ROBIN_MODE 0x1
55#define VME_PRIORITY_MODE 0x2
56
Martyn Welcha17a75e2009-07-31 09:28:17 +010057#define VME_DMA_PATTERN (1<<0)
58#define VME_DMA_PCI (1<<1)
59#define VME_DMA_VME (1<<2)
60
Martyn Welcha17a75e2009-07-31 09:28:17 +010061#define VME_DMA_PATTERN_BYTE (1<<0)
62#define VME_DMA_PATTERN_WORD (1<<1)
63#define VME_DMA_PATTERN_INCREMENT (1<<2)
64
Martyn Welch4f723df2010-02-18 15:12:58 +000065#define VME_DMA_VME_TO_MEM (1<<0)
66#define VME_DMA_MEM_TO_VME (1<<1)
67#define VME_DMA_VME_TO_VME (1<<2)
68#define VME_DMA_MEM_TO_MEM (1<<3)
69#define VME_DMA_PATTERN_TO_VME (1<<4)
70#define VME_DMA_PATTERN_TO_MEM (1<<5)
71
Martyn Welcha17a75e2009-07-31 09:28:17 +010072struct vme_dma_attr {
Martyn Welch6af04b02011-12-01 17:06:29 +000073 u32 type;
Martyn Welcha17a75e2009-07-31 09:28:17 +010074 void *private;
75};
76
77struct vme_resource {
78 enum vme_resource_type type;
79 struct list_head *entry;
80};
81
82extern struct bus_type vme_bus_type;
83
Manohar Vanga5d6abf32011-09-26 11:27:16 +020084/* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
85#define VME_MAX_BRIDGES (sizeof(unsigned int)*8)
86#define VME_MAX_SLOTS 32
87
Martyn Welcha37b0da2009-08-06 09:43:07 +010088#define VME_SLOT_CURRENT -1
89#define VME_SLOT_ALL -2
90
Manohar Vanga8f966dc2011-09-26 11:27:15 +020091/**
Manohar Vanga8f966dc2011-09-26 11:27:15 +020092 * Structure representing a VME device
Manohar Vanga8cdc0812011-11-04 11:12:31 +010093 * @num: The device number
Manohar Vanga8f966dc2011-09-26 11:27:15 +020094 * @bridge: Pointer to the bridge device this device is on
95 * @dev: Internal device structure
Manohar Vanga5d6abf32011-09-26 11:27:16 +020096 * @drv_list: List of devices (per driver)
97 * @bridge_list: List of devices (per bridge)
Manohar Vanga8f966dc2011-09-26 11:27:15 +020098 */
99struct vme_dev {
Manohar Vangaa916a392011-09-26 11:27:17 +0200100 int num;
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200101 struct vme_bridge *bridge;
102 struct device dev;
Manohar Vanga5d6abf32011-09-26 11:27:16 +0200103 struct list_head drv_list;
104 struct list_head bridge_list;
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200105};
106
Martyn Welcha17a75e2009-07-31 09:28:17 +0100107struct vme_driver {
108 struct list_head node;
Vincent Bossier584721c2011-06-03 10:07:39 +0100109 const char *name;
Manohar Vanga5d6abf32011-09-26 11:27:16 +0200110 int (*match)(struct vme_dev *);
111 int (*probe)(struct vme_dev *);
112 int (*remove)(struct vme_dev *);
113 void (*shutdown)(void);
114 struct device_driver driver;
115 struct list_head devices;
Martyn Welcha17a75e2009-07-31 09:28:17 +0100116};
117
Martyn Welchead1f3e2009-12-15 08:43:02 +0000118void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100119void vme_free_consistent(struct vme_resource *, size_t, void *,
120 dma_addr_t);
121
122size_t vme_get_size(struct vme_resource *);
123
Martyn Welch6af04b02011-12-01 17:06:29 +0000124struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000125int vme_slave_set(struct vme_resource *, int, unsigned long long,
Martyn Welch6af04b02011-12-01 17:06:29 +0000126 unsigned long long, dma_addr_t, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000127int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
Martyn Welch6af04b02011-12-01 17:06:29 +0000128 unsigned long long *, dma_addr_t *, u32 *, u32 *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100129void vme_slave_free(struct vme_resource *);
130
Martyn Welch6af04b02011-12-01 17:06:29 +0000131struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000132int vme_master_set(struct vme_resource *, int, unsigned long long,
Martyn Welch6af04b02011-12-01 17:06:29 +0000133 unsigned long long, u32, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000134int vme_master_get(struct vme_resource *, int *, unsigned long long *,
Martyn Welch6af04b02011-12-01 17:06:29 +0000135 unsigned long long *, u32 *, u32 *, u32 *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100136ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
137ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000138unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
Martyn Welcha17a75e2009-07-31 09:28:17 +0100139 unsigned int, loff_t);
140void vme_master_free(struct vme_resource *);
141
Martyn Welch6af04b02011-12-01 17:06:29 +0000142struct vme_resource *vme_dma_request(struct vme_dev *, u32);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100143struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
Martyn Welch6af04b02011-12-01 17:06:29 +0000144struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100145struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
Martyn Welch6af04b02011-12-01 17:06:29 +0000146struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100147void vme_dma_free_attribute(struct vme_dma_attr *);
148int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
149 struct vme_dma_attr *, size_t);
150int vme_dma_list_exec(struct vme_dma_list *);
151int vme_dma_list_free(struct vme_dma_list *);
152int vme_dma_free(struct vme_resource *);
153
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200154int vme_irq_request(struct vme_dev *, int, int,
Martyn Welcha17a75e2009-07-31 09:28:17 +0100155 void (*callback)(int, int, void *), void *);
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200156void vme_irq_free(struct vme_dev *, int, int);
157int vme_irq_generate(struct vme_dev *, int, int);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100158
Sam Hansen77974a32012-01-20 01:11:27 -0800159struct vme_resource *vme_lm_request(struct vme_dev *);
Martyn Welch42fb5032009-08-11 17:44:56 +0100160int vme_lm_count(struct vme_resource *);
Martyn Welch6af04b02011-12-01 17:06:29 +0000161int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
162int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *);
Martyn Welch42fb5032009-08-11 17:44:56 +0100163int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
164int vme_lm_detach(struct vme_resource *, int);
165void vme_lm_free(struct vme_resource *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100166
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200167int vme_slot_get(struct vme_dev *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100168
Manohar Vanga5d6abf32011-09-26 11:27:16 +0200169int vme_register_driver(struct vme_driver *, unsigned int);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000170void vme_unregister_driver(struct vme_driver *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100171
172
173#endif /* _VME_H_ */
174