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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [tc.h] - Blame information for rev 81

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/*
 *      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. */
        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(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 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 */

Line No.	Rev	Author	Line
1	62	marcus.erl	`/*`
2			`* Interface to the TURBOchannel related routines.`
3			`*`
4			`* Copyright (c) 1998 Harald Koerfgen`
5			`* Copyright (c) 2005 James Simmons`
6			`* Copyright (c) 2006 Maciej W. Rozycki`
7			`*`
8			`* Based on:`
9			`*`
10			`* "TURBOchannel Firmware Specification", EK-TCAAD-FS-004`
11			`*`
12			`* from Digital Equipment Corporation.`
13			`*`
14			`* This file is subject to the terms and conditions of the GNU`
15			`* General Public License. See the file "COPYING" in the main`
16			`* directory of this archive for more details.`
17			`*/`
18			`#ifndef _LINUX_TC_H`
19			`#define _LINUX_TC_H`
20
21			`#include <linux/compiler.h>`
22			`#include <linux/device.h>`
23			`#include <linux/ioport.h>`
24			`#include <linux/types.h>`
25
26			`/*`
27			`* Offsets for the ROM header locations for TURBOchannel cards.`
28			`*/`
29			`#define TC_OLDCARD 0x3c0000`
30			`#define TC_NEWCARD 0x000000`
31
32			`#define TC_ROM_WIDTH 0x3e0`
33			`#define TC_ROM_STRIDE 0x3e4`
34			`#define TC_ROM_SIZE 0x3e8`
35			`#define TC_SLOT_SIZE 0x3ec`
36			`#define TC_PATTERN0 0x3f0`
37			`#define TC_PATTERN1 0x3f4`
38			`#define TC_PATTERN2 0x3f8`
39			`#define TC_PATTERN3 0x3fc`
40			`#define TC_FIRM_VER 0x400`
41			`#define TC_VENDOR 0x420`
42			`#define TC_MODULE 0x440`
43			`#define TC_FIRM_TYPE 0x460`
44			`#define TC_FLAGS 0x470`
45			`#define TC_ROM_OBJECTS 0x480`
46
47			`/*`
48			`* Information obtained through the get_tcinfo() PROM call.`
49			`*/`
50			`struct tcinfo {`
51			`s32 revision; /* Hardware revision level. */`
52			`s32 clk_period; /* Clock period in nanoseconds. */`
53			`s32 slot_size; /* Slot size in megabytes. */`
54			`s32 io_timeout; /* I/O timeout in cycles. */`
55			`s32 dma_range; /* DMA address range in megabytes. */`
56			`s32 max_dma_burst; /* Maximum DMA burst length. */`
57			`s32 parity; /* System module supports TC parity. */`
58			`s32 reserved[4];`
59			`};`
60
61			`/*`
62			`* TURBOchannel bus.`
63			`*/`
64			`struct tc_bus {`
65			`struct list_head devices; /* List of devices on this bus. */`
66			`struct resource resource[2]; /* Address space routed to this bus. */`
67
68			`struct device dev;`
69			`char name[13];`
70			`resource_size_t slot_base;`
71			`resource_size_t ext_slot_base;`
72			`resource_size_t ext_slot_size;`
73			`int num_tcslots;`
74			`struct tcinfo info;`
75			`};`
76
77			`/*`
78			`* TURBOchannel device.`
79			`*/`
80			`struct tc_dev {`
81			`struct list_head node; /* Node in list of all TC devices. */`
82			`struct tc_bus bus; / Bus this device is on. */`
83			`struct tc_driver driver; / Which driver has allocated this`
84			`device. */`
85			`struct device dev; /* Generic device interface. */`
86			`struct resource resource; /* Address space of this device. */`
87			`char vendor[9];`
88			`char name[9];`
89			`char firmware[9];`
90			`int interrupt;`
91			`int slot;`
92			`};`
93
94			`#define to_tc_dev(n) container_of(n, struct tc_dev, dev)`
95
96			`struct tc_device_id {`
97			`char vendor[9];`
98			`char name[9];`
99			`};`
100
101			`/*`
102			`* TURBOchannel driver.`
103			`*/`
104			`struct tc_driver {`
105			`struct list_head node;`
106			`const struct tc_device_id *id_table;`
107			`struct device_driver driver;`
108			`};`
109
110			`#define to_tc_driver(drv) container_of(drv, struct tc_driver, driver)`
111
112			`/*`
113			`* Return TURBOchannel clock frequency in Hz.`
114			`*/`
115			`static inline unsigned long tc_get_speed(struct tc_bus *tbus)`
116			`{`
117			`return 100000 * (10000 / (unsigned long)tbus->info.clk_period);`
118			`}`
119
120			`#ifdef CONFIG_TC`
121
122			`extern struct bus_type tc_bus_type;`
123
124			`extern int tc_register_driver(struct tc_driver *tdrv);`
125			`extern void tc_unregister_driver(struct tc_driver *tdrv);`
126
127			`#else /* !CONFIG_TC */`
128
129			`static inline int tc_register_driver(struct tc_driver *tdrv) { return 0; }`
130			`static inline void tc_unregister_driver(struct tc_driver *tdrv) { }`
131
132			`#endif /* CONFIG_TC */`
133
134			`/*`
135			`* These have to be provided by the architecture.`
136			`*/`
137			`extern int tc_preadb(u8 valp, void __iomem addr);`
138			`extern int tc_bus_get_info(struct tc_bus *tbus);`
139			`extern void tc_device_get_irq(struct tc_dev *tdev);`
140
141			`#endif /* _LINUX_TC_H */`

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[/] [test_project/] [trunk/] [linux_sd_driver/] [include/] [linux/] [tc.h] - Blame information for rev 81