| /* 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 *); | |
| int (*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_ */ | |