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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
Dmitry Kalinkinad1bfe42015-10-11 01:00:58 +030084/* Number of VME interrupt vectors */
85#define VME_NUM_STATUSID 256
86
Manohar Vanga5d6abf32011-09-26 11:27:16 +020087/* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
88#define VME_MAX_BRIDGES (sizeof(unsigned int)*8)
89#define VME_MAX_SLOTS 32
90
Martyn Welcha37b0da2009-08-06 09:43:07 +010091#define VME_SLOT_CURRENT -1
92#define VME_SLOT_ALL -2
93
Manohar Vanga8f966dc2011-09-26 11:27:15 +020094/**
Manohar Vanga8f966dc2011-09-26 11:27:15 +020095 * Structure representing a VME device
Manohar Vanga8cdc0812011-11-04 11:12:31 +010096 * @num: The device number
Manohar Vanga8f966dc2011-09-26 11:27:15 +020097 * @bridge: Pointer to the bridge device this device is on
98 * @dev: Internal device structure
Manohar Vanga5d6abf32011-09-26 11:27:16 +020099 * @drv_list: List of devices (per driver)
100 * @bridge_list: List of devices (per bridge)
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200101 */
102struct vme_dev {
Manohar Vangaa916a392011-09-26 11:27:17 +0200103 int num;
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200104 struct vme_bridge *bridge;
105 struct device dev;
Manohar Vanga5d6abf32011-09-26 11:27:16 +0200106 struct list_head drv_list;
107 struct list_head bridge_list;
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200108};
109
Martyn Welcha17a75e2009-07-31 09:28:17 +0100110struct vme_driver {
111 struct list_head node;
Vincent Bossier584721c2011-06-03 10:07:39 +0100112 const char *name;
Manohar Vanga5d6abf32011-09-26 11:27:16 +0200113 int (*match)(struct vme_dev *);
114 int (*probe)(struct vme_dev *);
115 int (*remove)(struct vme_dev *);
116 void (*shutdown)(void);
117 struct device_driver driver;
118 struct list_head devices;
Martyn Welcha17a75e2009-07-31 09:28:17 +0100119};
120
Martyn Welchead1f3e2009-12-15 08:43:02 +0000121void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100122void vme_free_consistent(struct vme_resource *, size_t, void *,
123 dma_addr_t);
124
125size_t vme_get_size(struct vme_resource *);
Dmitry Kalinkinef73f882015-05-28 15:07:04 +0300126int vme_check_window(u32 aspace, unsigned long long vme_base,
127 unsigned long long size);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100128
Martyn Welch6af04b02011-12-01 17:06:29 +0000129struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000130int vme_slave_set(struct vme_resource *, int, unsigned long long,
Martyn Welch6af04b02011-12-01 17:06:29 +0000131 unsigned long long, dma_addr_t, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000132int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
Martyn Welch6af04b02011-12-01 17:06:29 +0000133 unsigned long long *, dma_addr_t *, u32 *, u32 *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100134void vme_slave_free(struct vme_resource *);
135
Martyn Welch6af04b02011-12-01 17:06:29 +0000136struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000137int vme_master_set(struct vme_resource *, int, unsigned long long,
Martyn Welch6af04b02011-12-01 17:06:29 +0000138 unsigned long long, u32, u32, u32);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000139int vme_master_get(struct vme_resource *, int *, unsigned long long *,
Martyn Welch6af04b02011-12-01 17:06:29 +0000140 unsigned long long *, u32 *, u32 *, u32 *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100141ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
142ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000143unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
Martyn Welcha17a75e2009-07-31 09:28:17 +0100144 unsigned int, loff_t);
Dmitry Kalinkinc74a8042015-02-26 18:53:10 +0300145int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100146void vme_master_free(struct vme_resource *);
147
Martyn Welch6af04b02011-12-01 17:06:29 +0000148struct vme_resource *vme_dma_request(struct vme_dev *, u32);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100149struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
Martyn Welch6af04b02011-12-01 17:06:29 +0000150struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100151struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
Martyn Welch6af04b02011-12-01 17:06:29 +0000152struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100153void vme_dma_free_attribute(struct vme_dma_attr *);
154int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
155 struct vme_dma_attr *, size_t);
156int vme_dma_list_exec(struct vme_dma_list *);
157int vme_dma_list_free(struct vme_dma_list *);
158int vme_dma_free(struct vme_resource *);
159
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200160int vme_irq_request(struct vme_dev *, int, int,
Martyn Welcha17a75e2009-07-31 09:28:17 +0100161 void (*callback)(int, int, void *), void *);
Manohar Vanga8f966dc2011-09-26 11:27:15 +0200162void vme_irq_free(struct vme_dev *, int, int);
163int vme_irq_generate(struct vme_dev *, int, int);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100164
Sam Hansen77974a32012-01-20 01:11:27 -0800165struct vme_resource *vme_lm_request(struct vme_dev *);
Martyn Welch42fb5032009-08-11 17:44:56 +0100166int vme_lm_count(struct vme_resource *);
Martyn Welch6af04b02011-12-01 17:06:29 +0000167int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
168int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *);
Martyn Welch42fb5032009-08-11 17:44:56 +0100169int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
170int vme_lm_detach(struct vme_resource *, int);
171void vme_lm_free(struct vme_resource *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100172
Martyn Welchd7729f02013-11-08 11:58:35 +0000173int vme_slot_num(struct vme_dev *);
Martyn Welch978f47d2013-11-08 11:58:34 +0000174int vme_bus_num(struct vme_dev *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100175
Manohar Vanga5d6abf32011-09-26 11:27:16 +0200176int vme_register_driver(struct vme_driver *, unsigned int);
Martyn Welchead1f3e2009-12-15 08:43:02 +0000177void vme_unregister_driver(struct vme_driver *);
Martyn Welcha17a75e2009-07-31 09:28:17 +0100178
179
180#endif /* _VME_H_ */
181