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文件: /usr/src/linux-headers-5.15.0-186/include/linux/vme.h
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/* SPDX-License-Identifier: GPL-2.0 */ #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; /* Number of VME interrupt vectors */ #define VME_NUM_STATUSID 256 /* 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 /** * struct vme_dev - 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 - Structure representing a VME driver * @name: Driver name, should be unique among VME drivers and usually the same * as the module name. * @match: Callback used to determine whether probe should be run. * @probe: Callback for device binding, called when new device is detected. * @remove: Callback, called on device removal. * @driver: Underlying generic device driver structure. * @devices: List of VME devices (struct vme_dev) associated with this driver. */ struct vme_driver { const char *name; int (*match)(struct vme_dev *); int (*probe)(struct vme_dev *); void (*remove)(struct vme_dev *); 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 *); int vme_check_window(u32 aspace, unsigned long long vme_base, unsigned long long size); 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); int vme_master_mmap(struct vme_resource *resource, struct vm_area_struct *vma); 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)(void *), void *); int vme_lm_detach(struct vme_resource *, int); void vme_lm_free(struct vme_resource *); int vme_slot_num(struct vme_dev *); int vme_bus_num(struct vme_dev *); int vme_register_driver(struct vme_driver *, unsigned int); void vme_unregister_driver(struct vme_driver *); #endif /* _VME_H_ */
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