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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 422 | giacomo | 1 | /* |
| 2 | * ISA Plug & Play support |
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| 3 | * Copyright (c) by Jaroslav Kysela <perex@suse.cz> |
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| 4 | * |
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| 5 | * |
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| 6 | * This program is free software; you can redistribute it and/or modify |
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| 7 | * it under the terms of the GNU General Public License as published by |
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| 8 | * the Free Software Foundation; either version 2 of the License, or |
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| 9 | * (at your option) any later version. |
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| 10 | * |
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| 11 | * This program is distributed in the hope that it will be useful, |
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| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 14 | * GNU General Public License for more details. |
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| 15 | * |
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| 16 | * You should have received a copy of the GNU General Public License |
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| 17 | * along with this program; if not, write to the Free Software |
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| 18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 19 | * |
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| 20 | */ |
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| 21 | |||
| 22 | #ifndef LINUX_ISAPNP_H |
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| 23 | #define LINUX_ISAPNP_H |
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| 24 | |||
| 25 | #include <linux/config.h> |
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| 26 | #include <linux/errno.h> |
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| 27 | #include <linux/pnp.h> |
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| 28 | |||
| 29 | /* |
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| 30 | * Configuration registers (TODO: change by specification) |
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| 31 | */ |
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| 32 | |||
| 33 | #define ISAPNP_CFG_ACTIVATE 0x30 /* byte */ |
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| 34 | #define ISAPNP_CFG_MEM 0x40 /* 4 * dword */ |
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| 35 | #define ISAPNP_CFG_PORT 0x60 /* 8 * word */ |
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| 36 | #define ISAPNP_CFG_IRQ 0x70 /* 2 * word */ |
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| 37 | #define ISAPNP_CFG_DMA 0x74 /* 2 * byte */ |
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| 38 | |||
| 39 | /* |
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| 40 | * |
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| 41 | */ |
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| 42 | |||
| 43 | #define ISAPNP_VENDOR(a,b,c) (((((a)-'A'+1)&0x3f)<<2)|\ |
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| 44 | ((((b)-'A'+1)&0x18)>>3)|((((b)-'A'+1)&7)<<13)|\ |
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| 45 | ((((c)-'A'+1)&0x1f)<<8)) |
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| 46 | #define ISAPNP_DEVICE(x) ((((x)&0xf000)>>8)|\ |
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| 47 | (((x)&0x0f00)>>8)|\ |
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| 48 | (((x)&0x00f0)<<8)|\ |
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| 49 | (((x)&0x000f)<<8)) |
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| 50 | #define ISAPNP_FUNCTION(x) ISAPNP_DEVICE(x) |
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| 51 | |||
| 52 | /* |
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| 53 | * |
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| 54 | */ |
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| 55 | |||
| 56 | #ifdef __KERNEL__ |
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| 57 | |||
| 58 | #define DEVICE_COUNT_COMPATIBLE 4 |
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| 59 | |||
| 60 | #define ISAPNP_ANY_ID 0xffff |
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| 61 | #define ISAPNP_CARD_DEVS 8 |
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| 62 | |||
| 63 | #define ISAPNP_CARD_ID(_va, _vb, _vc, _device) \ |
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| 64 | .card_vendor = ISAPNP_VENDOR(_va, _vb, _vc), .card_device = ISAPNP_DEVICE(_device) |
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| 65 | #define ISAPNP_CARD_END \ |
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| 66 | .card_vendor = 0, .card_device = 0 |
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| 67 | #define ISAPNP_DEVICE_ID(_va, _vb, _vc, _function) \ |
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| 68 | { .vendor = ISAPNP_VENDOR(_va, _vb, _vc), .function = ISAPNP_FUNCTION(_function) } |
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| 69 | |||
| 70 | /* export used IDs outside module */ |
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| 71 | #define ISAPNP_CARD_TABLE(name) \ |
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| 72 | MODULE_GENERIC_TABLE(isapnp_card, name) |
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| 73 | |||
| 74 | struct isapnp_card_id { |
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| 75 | unsigned long driver_data; /* data private to the driver */ |
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| 76 | unsigned short card_vendor, card_device; |
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| 77 | struct { |
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| 78 | unsigned short vendor, function; |
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| 79 | } devs[ISAPNP_CARD_DEVS]; /* logical devices */ |
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| 80 | }; |
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| 81 | |||
| 82 | #define ISAPNP_DEVICE_SINGLE(_cva, _cvb, _cvc, _cdevice, _dva, _dvb, _dvc, _dfunction) \ |
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| 83 | .card_vendor = ISAPNP_VENDOR(_cva, _cvb, _cvc), .card_device = ISAPNP_DEVICE(_cdevice), \ |
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| 84 | .vendor = ISAPNP_VENDOR(_dva, _dvb, _dvc), .function = ISAPNP_FUNCTION(_dfunction) |
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| 85 | #define ISAPNP_DEVICE_SINGLE_END \ |
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| 86 | .card_vendor = 0, .card_device = 0 |
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| 87 | |||
| 88 | struct isapnp_device_id { |
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| 89 | unsigned short card_vendor, card_device; |
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| 90 | unsigned short vendor, function; |
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| 91 | unsigned long driver_data; /* data private to the driver */ |
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| 92 | }; |
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| 93 | |||
| 94 | #if defined(CONFIG_ISAPNP) || (defined(CONFIG_ISAPNP_MODULE) && defined(MODULE)) |
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| 95 | |||
| 96 | #define __ISAPNP__ |
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| 97 | |||
| 98 | /* lowlevel configuration */ |
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| 99 | int isapnp_present(void); |
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| 100 | int isapnp_cfg_begin(int csn, int device); |
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| 101 | int isapnp_cfg_end(void); |
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| 102 | unsigned char isapnp_read_byte(unsigned char idx); |
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| 103 | unsigned short isapnp_read_word(unsigned char idx); |
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| 104 | unsigned int isapnp_read_dword(unsigned char idx); |
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| 105 | void isapnp_write_byte(unsigned char idx, unsigned char val); |
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| 106 | void isapnp_write_word(unsigned char idx, unsigned short val); |
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| 107 | void isapnp_write_dword(unsigned char idx, unsigned int val); |
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| 108 | void isapnp_wake(unsigned char csn); |
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| 109 | void isapnp_device(unsigned char device); |
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| 110 | void isapnp_activate(unsigned char device); |
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| 111 | void isapnp_deactivate(unsigned char device); |
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| 112 | void *isapnp_alloc(long size); |
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| 113 | |||
| 114 | #ifdef CONFIG_PROC_FS |
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| 115 | int isapnp_proc_init(void); |
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| 116 | int isapnp_proc_done(void); |
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| 117 | #else |
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| 118 | static inline int isapnp_proc_init(void) { return 0; } |
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| 119 | static inline int isapnp_proc_done(void) { return 0; } |
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| 120 | #endif |
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| 121 | |||
| 122 | /* init/main.c */ |
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| 123 | int isapnp_init(void); |
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| 124 | |||
| 125 | /* compat */ |
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| 126 | struct pnp_card *pnp_find_card(unsigned short vendor, |
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| 127 | unsigned short device, |
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| 128 | struct pnp_card *from); |
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| 129 | struct pnp_dev *pnp_find_dev(struct pnp_card *card, |
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| 130 | unsigned short vendor, |
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| 131 | unsigned short function, |
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| 132 | struct pnp_dev *from); |
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| 133 | |||
| 134 | #else /* !CONFIG_ISAPNP */ |
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| 135 | |||
| 136 | /* lowlevel configuration */ |
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| 137 | static inline int isapnp_present(void) { return 0; } |
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| 138 | static inline int isapnp_cfg_begin(int csn, int device) { return -ENODEV; } |
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| 139 | static inline int isapnp_cfg_end(void) { return -ENODEV; } |
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| 140 | static inline unsigned char isapnp_read_byte(unsigned char idx) { return 0xff; } |
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| 141 | static inline unsigned short isapnp_read_word(unsigned char idx) { return 0xffff; } |
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| 142 | static inline unsigned int isapnp_read_dword(unsigned char idx) { return 0xffffffff; } |
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| 143 | static inline void isapnp_write_byte(unsigned char idx, unsigned char val) { ; } |
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| 144 | static inline void isapnp_write_word(unsigned char idx, unsigned short val) { ; } |
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| 145 | static inline void isapnp_write_dword(unsigned char idx, unsigned int val) { ; } |
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| 146 | static inline void isapnp_wake(unsigned char csn) { ; } |
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| 147 | static inline void isapnp_device(unsigned char device) { ; } |
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| 148 | static inline void isapnp_activate(unsigned char device) { ; } |
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| 149 | static inline void isapnp_deactivate(unsigned char device) { ; } |
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| 150 | |||
| 151 | static inline struct pnp_card *pnp_find_card(unsigned short vendor, |
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| 152 | unsigned short device, |
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| 153 | struct pnp_card *from) { return NULL; } |
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| 154 | static inline struct pnp_dev *pnp_find_dev(struct pnp_card *card, |
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| 155 | unsigned short vendor, |
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| 156 | unsigned short function, |
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| 157 | struct pnp_dev *from) { return NULL; } |
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| 158 | |||
| 159 | #endif /* CONFIG_ISAPNP */ |
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| 160 | |||
| 161 | #endif /* __KERNEL__ */ |
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| 162 | #endif /* LINUX_ISAPNP_H */ |