Something went wrong. Try again.
(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
Something went wrong. Try again.
C
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143/* * Interface to the TURBOchannel related routines. * * Copyright (c) 1998 Harald Koerfgen * Copyright (c) 2005 James Simmons * Copyright (c) 2006 Maciej W. Rozycki * * Based on: * * "TURBOchannel Firmware Specification", EK-TCAAD-FS-004 * * from Digital Equipment Corporation. * * This file is subject to the terms and conditions of the GNU * General Public License. See the file "COPYING" in the main * directory of this archive for more details. */#ifndef _LINUX_TC_H#define _LINUX_TC_H
#include <linux/compiler.h>#include <linux/device.h>#include <linux/ioport.h>#include <linux/types.h>
/* * Offsets for the ROM header locations for TURBOchannel cards. */#define TC_OLDCARD 0x3c0000#define TC_NEWCARD 0x000000
#define TC_ROM_WIDTH 0x3e0#define TC_ROM_STRIDE 0x3e4#define TC_ROM_SIZE 0x3e8#define TC_SLOT_SIZE 0x3ec#define TC_PATTERN0 0x3f0#define TC_PATTERN1 0x3f4#define TC_PATTERN2 0x3f8#define TC_PATTERN3 0x3fc#define TC_FIRM_VER 0x400#define TC_VENDOR 0x420#define TC_MODULE 0x440#define TC_FIRM_TYPE 0x460#define TC_FLAGS 0x470#define TC_ROM_OBJECTS 0x480
/* * Information obtained through the get_tcinfo() PROM call. */struct tcinfo { s32 revision; /* Hardware revision level. */ s32 clk_period; /* Clock period in nanoseconds. */ s32 slot_size; /* Slot size in megabytes. */ s32 io_timeout; /* I/O timeout in cycles. */ s32 dma_range; /* DMA address range in megabytes. */ s32 max_dma_burst; /* Maximum DMA burst length. */ s32 parity; /* System module supports TC parity. */ s32 reserved[4];};
/* * TURBOchannel bus. */struct tc_bus { struct list_head devices; /* List of devices on this bus. */ struct resource resource[2]; /* Address space routed to this bus. */
struct device dev; char name[13]; resource_size_t slot_base; resource_size_t ext_slot_base; resource_size_t ext_slot_size; int num_tcslots; struct tcinfo info;};
/* * TURBOchannel device. */struct tc_dev { struct list_head node; /* Node in list of all TC devices. */ struct tc_bus *bus; /* Bus this device is on. */ struct tc_driver *driver; /* Which driver has allocated this device. */ struct device dev; /* Generic device interface. */ struct resource resource; /* Address space of this device. */ u64 dma_mask; /* DMA addressable range. */ char vendor[9]; char name[9]; char firmware[9]; int interrupt; int slot;};
#define to_tc_dev(n) container_of(n, struct tc_dev, dev)
struct tc_device_id { char vendor[9]; char name[9];};
/* * TURBOchannel driver. */struct tc_driver { struct list_head node; const struct tc_device_id *id_table; struct device_driver driver;};
#define to_tc_driver(drv) container_of_const(drv, struct tc_driver, driver)
/* * Return TURBOchannel clock frequency in Hz. */static inline unsigned long tc_get_speed(struct tc_bus *tbus){ return 100000 * (10000 / (unsigned long)tbus->info.clk_period);}
#ifdef CONFIG_TC
extern const struct bus_type tc_bus_type;
extern int tc_register_driver(struct tc_driver *tdrv);extern void tc_unregister_driver(struct tc_driver *tdrv);
#else /* !CONFIG_TC */
static inline int tc_register_driver(struct tc_driver *tdrv) { return 0; }static inline void tc_unregister_driver(struct tc_driver *tdrv) { }
#endif /* CONFIG_TC */
/* * These have to be provided by the architecture. */extern int tc_preadb(u8 *valp, void __iomem *addr);extern int tc_bus_get_info(struct tc_bus *tbus);extern void tc_device_get_irq(struct tc_dev *tdev);
#endif /* _LINUX_TC_H */