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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-26 12:34:58 -0700 | 
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-26 12:34:58 -0700 | 
| commit | db3b9e990e75573402cda22faf933760f076c033 (patch) | |
| tree | 4e742e97f7bd71adc61ce23938e361d80b61a45d /include/linux/vme.h | |
| parent | 8176df8e95df4c867457076190cfb18f2d7ff18c (diff) | |
| download | olio-linux-3.10-db3b9e990e75573402cda22faf933760f076c033.tar.xz olio-linux-3.10-db3b9e990e75573402cda22faf933760f076c033.zip  | |
Staging: VME: move VME drivers out of staging
This moves the VME core, VME board drivers, and VME bridge drivers out
of the drivers/staging/vme/ area to drivers/vme/.
The VME device drivers have not moved out yet due to some API questions
they are still working through, that should happen soon, hopefully.
Cc: Martyn Welch <martyn.welch@ge.com>
Cc: Manohar Vanga <manohar.vanga@cern.ch>
Cc: Vincent Bossier <vincent.bossier@gmail.com>
Cc: "Emilio G. Cota" <cota@braap.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/vme.h')
| -rw-r--r-- | include/linux/vme.h | 174 | 
1 files changed, 174 insertions, 0 deletions
diff --git a/include/linux/vme.h b/include/linux/vme.h new file mode 100644 index 00000000000..c9d65bf14ce --- /dev/null +++ b/include/linux/vme.h @@ -0,0 +1,174 @@ +#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_ */ +  |