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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116/* SPDX-License-Identifier: GPL-2.0 */#ifndef _LINUX_EISA_H#define _LINUX_EISA_H
#include <linux/ioport.h>#include <linux/device.h>#include <linux/device-id/eisa.h>
#define EISA_MAX_SLOTS 8
#define EISA_MAX_RESOURCES 4
/* A few EISA constants/offsets... */
#define EISA_DMA1_STATUS 8#define EISA_INT1_CTRL 0x20#define EISA_INT1_MASK 0x21#define EISA_INT2_CTRL 0xA0#define EISA_INT2_MASK 0xA1#define EISA_DMA2_STATUS 0xD0#define EISA_DMA2_WRITE_SINGLE 0xD4#define EISA_EXT_NMI_RESET_CTRL 0x461#define EISA_INT1_EDGE_LEVEL 0x4D0#define EISA_INT2_EDGE_LEVEL 0x4D1#define EISA_VENDOR_ID_OFFSET 0xC80#define EISA_CONFIG_OFFSET 0xC84
#define EISA_CONFIG_ENABLED 1#define EISA_CONFIG_FORCED 2
/* Chosen to hold the longest string in eisa.ids. */#define EISA_DEVICE_INFO_NAME_SIZE 74
/* There is not much we can say about an EISA device, apart from * signature, slot number, and base address. dma_mask is set by * default to parent device mask..*/
struct eisa_device { struct eisa_device_id id; int slot; int state; unsigned long base_addr; struct resource res[EISA_MAX_RESOURCES]; u64 dma_mask; struct device dev; /* generic device */#ifdef CONFIG_EISA_NAMES char pretty_name[EISA_DEVICE_INFO_NAME_SIZE];#endif};
#define to_eisa_device(n) container_of(n, struct eisa_device, dev)
static inline int eisa_get_region_index (void *addr){ unsigned long x = (unsigned long) addr;
x &= 0xc00; return (x >> 12);}
struct eisa_driver { const struct eisa_device_id *id_table; struct device_driver driver;};
#define to_eisa_driver(drv) container_of_const(drv,struct eisa_driver, driver)
/* These external functions are only available when EISA support is enabled. */#ifdef CONFIG_EISA
extern const struct bus_type eisa_bus_type;int eisa_driver_register (struct eisa_driver *edrv);void eisa_driver_unregister (struct eisa_driver *edrv);
#else /* !CONFIG_EISA */
static inline int eisa_driver_register (struct eisa_driver *edrv) { return 0; }static inline void eisa_driver_unregister (struct eisa_driver *edrv) { }
#endif /* !CONFIG_EISA */
/* Mimics pci.h... */static inline void *eisa_get_drvdata (struct eisa_device *edev){ return dev_get_drvdata(&edev->dev);}
static inline void eisa_set_drvdata (struct eisa_device *edev, void *data){ dev_set_drvdata(&edev->dev, data);}
/* The EISA root device. There's rumours about machines with multiple * busses (PA-RISC ?), so we try to handle that. */
struct eisa_root_device { struct device *dev; /* Pointer to bridge device */ struct resource *res; unsigned long bus_base_addr; int slots; /* Max slot number */ int force_probe; /* Probe even when no slot 0 */ u64 dma_mask; /* from bridge device */ int bus_nr; /* Set by eisa_root_register */ struct resource eisa_root_res; /* ditto */};
int eisa_root_register (struct eisa_root_device *root);
#ifdef CONFIG_EISAextern int EISA_bus;#else# define EISA_bus 0#endif
#endif