[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / vme.h

#ifndef _VME_H_
#define _VME_H_

/* Resource Type */
enum vme_resource_type {
	VME_MASTER,
	VME_SLAVE,
	VME_DMA,
	VME_LM
};

/* VME Address Spaces */
#define VME_A16		0x1
#define VME_A24		0x2
#define	VME_A32		0x4
#define VME_A64		0x8
#define VME_CRCSR	0x10
#define VME_USER1	0x20
#define VME_USER2	0x40
#define VME_USER3	0x80
#define VME_USER4	0x100

#define VME_A16_MAX	0x10000ULL
#define VME_A24_MAX	0x1000000ULL
#define VME_A32_MAX	0x100000000ULL
#define VME_A64_MAX	0x10000000000000000ULL
#define VME_CRCSR_MAX	0x1000000ULL


/* VME Cycle Types */
#define VME_SCT		0x1
#define VME_BLT		0x2
#define VME_MBLT	0x4
#define VME_2eVME	0x8
#define VME_2eSST	0x10
#define VME_2eSSTB	0x20

#define VME_2eSST160	0x100
#define VME_2eSST267	0x200
#define VME_2eSST320	0x400

#define	VME_SUPER	0x1000
#define	VME_USER	0x2000
#define	VME_PROG	0x4000
#define	VME_DATA	0x8000

/* VME Data Widths */
#define VME_D8		0x1
#define VME_D16		0x2
#define VME_D32		0x4
#define VME_D64		0x8

/* Arbitration Scheduling Modes */
#define VME_R_ROBIN_MODE	0x1
#define VME_PRIORITY_MODE	0x2

#define VME_DMA_PATTERN			(1<<0)
#define VME_DMA_PCI			(1<<1)
#define VME_DMA_VME			(1<<2)

#define VME_DMA_PATTERN_BYTE		(1<<0)
#define VME_DMA_PATTERN_WORD		(1<<1)
#define VME_DMA_PATTERN_INCREMENT	(1<<2)

#define VME_DMA_VME_TO_MEM		(1<<0)
#define VME_DMA_MEM_TO_VME		(1<<1)
#define VME_DMA_VME_TO_VME		(1<<2)
#define VME_DMA_MEM_TO_MEM		(1<<3)
#define VME_DMA_PATTERN_TO_VME		(1<<4)
#define VME_DMA_PATTERN_TO_MEM		(1<<5)

struct vme_dma_attr {
	u32 type;
	void *private;
};

struct vme_resource {
	enum vme_resource_type type;
	struct list_head *entry;
};

extern struct bus_type vme_bus_type;

/* VME_MAX_BRIDGES comes from the type of vme_bus_numbers */
#define VME_MAX_BRIDGES		(sizeof(unsigned int)*8)
#define VME_MAX_SLOTS		32

#define VME_SLOT_CURRENT	-1
#define VME_SLOT_ALL		-2

/**
 * Structure representing a VME device
 * @num: The device number
 * @bridge: Pointer to the bridge device this device is on
 * @dev: Internal device structure
 * @drv_list: List of devices (per driver)
 * @bridge_list: List of devices (per bridge)
 */
struct vme_dev {
	int num;
	struct vme_bridge *bridge;
	struct device dev;
	struct list_head drv_list;
	struct list_head bridge_list;
};

struct vme_driver {
	struct list_head node;
	const char *name;
	int (*match)(struct vme_dev *);
	int (*probe)(struct vme_dev *);
	int (*remove)(struct vme_dev *);
	void (*shutdown)(void);
	struct device_driver driver;
	struct list_head devices;
};

void *vme_alloc_consistent(struct vme_resource *, size_t, dma_addr_t *);
void vme_free_consistent(struct vme_resource *, size_t,  void *,
	dma_addr_t);

size_t vme_get_size(struct vme_resource *);

struct vme_resource *vme_slave_request(struct vme_dev *, u32, u32);
int vme_slave_set(struct vme_resource *, int, unsigned long long,
	unsigned long long, dma_addr_t, u32, u32);
int vme_slave_get(struct vme_resource *, int *, unsigned long long *,
	unsigned long long *, dma_addr_t *, u32 *, u32 *);
void vme_slave_free(struct vme_resource *);

struct vme_resource *vme_master_request(struct vme_dev *, u32, u32, u32);
int vme_master_set(struct vme_resource *, int, unsigned long long,
	unsigned long long, u32, u32, u32);
int vme_master_get(struct vme_resource *, int *, unsigned long long *,
	unsigned long long *, u32 *, u32 *, u32 *);
ssize_t vme_master_read(struct vme_resource *, void *, size_t, loff_t);
ssize_t vme_master_write(struct vme_resource *, void *, size_t, loff_t);
unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
	unsigned int, loff_t);
void vme_master_free(struct vme_resource *);

struct vme_resource *vme_dma_request(struct vme_dev *, u32);
struct vme_dma_list *vme_new_dma_list(struct vme_resource *);
struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
void vme_dma_free_attribute(struct vme_dma_attr *);
int vme_dma_list_add(struct vme_dma_list *, struct vme_dma_attr *,
	struct vme_dma_attr *, size_t);
int vme_dma_list_exec(struct vme_dma_list *);
int vme_dma_list_free(struct vme_dma_list *);
int vme_dma_free(struct vme_resource *);

int vme_irq_request(struct vme_dev *, int, int,
	void (*callback)(int, int, void *), void *);
void vme_irq_free(struct vme_dev *, int, int);
int vme_irq_generate(struct vme_dev *, int, int);

struct vme_resource *vme_lm_request(struct vme_dev *);
int vme_lm_count(struct vme_resource *);
int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
int vme_lm_get(struct vme_resource *, unsigned long long *, u32 *, u32 *);
int vme_lm_attach(struct vme_resource *, int, void (*callback)(int));
int vme_lm_detach(struct vme_resource *, int);
void vme_lm_free(struct vme_resource *);

int vme_slot_get(struct vme_dev *);

int vme_register_driver(struct vme_driver *, unsigned int);
void vme_unregister_driver(struct vme_driver *);


#endif /* _VME_H_ */
Commit	Line	Data
a17a75e2 MW	1	#ifndef _VME_H_
	2	#define _VME_H_
	3
	4	/* Resource Type */
	5	enum vme_resource_type {
	6	VME_MASTER,
	7	VME_SLAVE,
42fb5031 MW	8	VME_DMA,
42fb5031 MW	9	VME_LM
a17a75e2 MW	10	};
	11
	12	/* VME Address Spaces */
a17a75e2 MW	13	#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 */
a17a75e2 MW	31	#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 */
a17a75e2 MW	48	#define VME_D8 0x1
	49	#define VME_D16 0x2
	50	#define VME_D32 0x4
	51	#define VME_D64 0x8
	52
	53	/* Arbitration Scheduling Modes */
a17a75e2 MW	54	#define VME_R_ROBIN_MODE 0x1
	55	#define VME_PRIORITY_MODE 0x2
	56
a17a75e2 MW	57	#define VME_DMA_PATTERN (1<<0)
	58	#define VME_DMA_PCI (1<<1)
	59	#define VME_DMA_VME (1<<2)
	60
a17a75e2 MW	61	#define VME_DMA_PATTERN_BYTE (1<<0)
	62	#define VME_DMA_PATTERN_WORD (1<<1)
	63	#define VME_DMA_PATTERN_INCREMENT (1<<2)
	64
4f723df4 MW	65	#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
a17a75e2	72	struct vme_dma_attr {
6af04b06	73	u32 type;
a17a75e2 MW	74	void *private;
	75	};
	76
	77	struct vme_resource {
	78	enum vme_resource_type type;
	79	struct list_head *entry;
	80	};
	81
	82	extern struct bus_type vme_bus_type;
	83
5d6abf37 MV	84	/* 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
a37b0dad MW	88	#define VME_SLOT_CURRENT -1
	89	#define VME_SLOT_ALL -2
	90
8f966dc4 MV	91	/**
8f966dc4 MV	92	* Structure representing a VME device
8cdc0819	93	* @num: The device number
8f966dc4 MV	94	* @bridge: Pointer to the bridge device this device is on
8f966dc4 MV	95	* @dev: Internal device structure
5d6abf37 MV	96	* @drv_list: List of devices (per driver)
5d6abf37 MV	97	* @bridge_list: List of devices (per bridge)
8f966dc4 MV	98	*/
8f966dc4 MV	99	struct vme_dev {
a916a391	100	int num;
8f966dc4 MV	101	struct vme_bridge *bridge;
8f966dc4 MV	102	struct device dev;
5d6abf37 MV	103	struct list_head drv_list;
5d6abf37 MV	104	struct list_head bridge_list;
8f966dc4 MV	105	};
8f966dc4 MV	106
a17a75e2 MW	107	struct vme_driver {
a17a75e2 MW	108	struct list_head node;
584721ca	109	const char *name;
5d6abf37 MV	110	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;
a17a75e2 MW	116	};
a17a75e2 MW	117
ead1f3e3	118	void vme_alloc_consistent(struct vme_resource , size_t, dma_addr_t *);
a17a75e2 MW	119	void vme_free_consistent(struct vme_resource , size_t, void ,
	120	dma_addr_t);
	121
	122	size_t vme_get_size(struct vme_resource *);
	123
6af04b06	124	struct vme_resource vme_slave_request(struct vme_dev , u32, u32);
ead1f3e3	125	int vme_slave_set(struct vme_resource *, int, unsigned long long,
6af04b06	126	unsigned long long, dma_addr_t, u32, u32);
ead1f3e3	127	int vme_slave_get(struct vme_resource , int , unsigned long long *,
6af04b06	128	unsigned long long , dma_addr_t , u32 , u32 );
a17a75e2 MW	129	void vme_slave_free(struct vme_resource *);
a17a75e2 MW	130
6af04b06	131	struct vme_resource vme_master_request(struct vme_dev , u32, u32, u32);
ead1f3e3	132	int vme_master_set(struct vme_resource *, int, unsigned long long,
6af04b06	133	unsigned long long, u32, u32, u32);
ead1f3e3	134	int vme_master_get(struct vme_resource , int , unsigned long long *,
6af04b06	135	unsigned long long , u32 , u32 , u32 );
a17a75e2 MW	136	ssize_t vme_master_read(struct vme_resource , void , size_t, loff_t);
a17a75e2 MW	137	ssize_t vme_master_write(struct vme_resource , void , size_t, loff_t);
ead1f3e3	138	unsigned int vme_master_rmw(struct vme_resource *, unsigned int, unsigned int,
a17a75e2 MW	139	unsigned int, loff_t);
	140	void vme_master_free(struct vme_resource *);
	141
6af04b06	142	struct vme_resource vme_dma_request(struct vme_dev , u32);
a17a75e2	143	struct vme_dma_list vme_new_dma_list(struct vme_resource );
6af04b06	144	struct vme_dma_attr *vme_dma_pattern_attribute(u32, u32);
a17a75e2	145	struct vme_dma_attr *vme_dma_pci_attribute(dma_addr_t);
6af04b06	146	struct vme_dma_attr *vme_dma_vme_attribute(unsigned long long, u32, u32, u32);
a17a75e2 MW	147	void vme_dma_free_attribute(struct vme_dma_attr *);
	148	int vme_dma_list_add(struct vme_dma_list , struct vme_dma_attr ,
	149	struct vme_dma_attr *, size_t);
	150	int vme_dma_list_exec(struct vme_dma_list *);
	151	int vme_dma_list_free(struct vme_dma_list *);
	152	int vme_dma_free(struct vme_resource *);
	153
8f966dc4	154	int vme_irq_request(struct vme_dev *, int, int,
a17a75e2	155	void (callback)(int, int, void ), void *);
8f966dc4 MV	156	void vme_irq_free(struct vme_dev *, int, int);
8f966dc4 MV	157	int vme_irq_generate(struct vme_dev *, int, int);
a17a75e2	158
77974a30	159	struct vme_resource vme_lm_request(struct vme_dev );
42fb5031	160	int vme_lm_count(struct vme_resource *);
6af04b06 MW	161	int vme_lm_set(struct vme_resource *, unsigned long long, u32, u32);
6af04b06 MW	162	int vme_lm_get(struct vme_resource , unsigned long long , u32 , u32 );
42fb5031 MW	163	int vme_lm_attach(struct vme_resource , int, void (callback)(int));
	164	int vme_lm_detach(struct vme_resource *, int);
	165	void vme_lm_free(struct vme_resource *);
a17a75e2	166
8f966dc4	167	int vme_slot_get(struct vme_dev *);
a17a75e2	168
5d6abf37	169	int vme_register_driver(struct vme_driver *, unsigned int);
ead1f3e3	170	void vme_unregister_driver(struct vme_driver *);
a17a75e2 MW	171
	172
	173	#endif /* _VME_H_ */
	174