Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * PCMCIA client driver for AVM A1 / Fritz!PCMCIA | |
3 | * | |
4 | * Author Carsten Paeth | |
5 | * Copyright 1998-2001 by Carsten Paeth <calle@calle.in-berlin.de> | |
6 | * | |
7 | * This software may be used and distributed according to the terms | |
8 | * of the GNU General Public License, incorporated herein by reference. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include <linux/module.h> | |
13 | ||
14 | ||
15 | #include <linux/kernel.h> | |
16 | #include <linux/init.h> | |
1da177e4 LT |
17 | #include <linux/ptrace.h> |
18 | #include <linux/slab.h> | |
19 | #include <linux/string.h> | |
20 | #include <asm/io.h> | |
21 | #include <asm/system.h> | |
22 | ||
1da177e4 LT |
23 | #include <pcmcia/cistpl.h> |
24 | #include <pcmcia/ds.h> | |
25 | #include "hisax_cfg.h" | |
26 | ||
27 | MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for AVM A1/Fritz!PCMCIA cards"); | |
28 | MODULE_AUTHOR("Carsten Paeth"); | |
29 | MODULE_LICENSE("GPL"); | |
30 | ||
1da177e4 LT |
31 | |
32 | /*====================================================================*/ | |
33 | ||
34 | /* Parameters that can be set with 'insmod' */ | |
35 | ||
36 | static int isdnprot = 2; | |
37 | ||
38 | module_param(isdnprot, int, 0); | |
39 | ||
40 | /*====================================================================*/ | |
41 | ||
a465870a | 42 | static int avma1cs_config(struct pcmcia_device *link) __devinit ; |
fba395ee | 43 | static void avma1cs_release(struct pcmcia_device *link); |
a465870a | 44 | static void avma1cs_detach(struct pcmcia_device *p_dev) __devexit ; |
1da177e4 | 45 | |
a465870a | 46 | static int __devinit avma1cs_probe(struct pcmcia_device *p_dev) |
1da177e4 | 47 | { |
e773cfe1 | 48 | dev_dbg(&p_dev->dev, "avma1cs_attach()\n"); |
1da177e4 | 49 | |
1da177e4 | 50 | /* General socket configuration */ |
00990e7c | 51 | p_dev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; |
7feabb64 DB |
52 | p_dev->config_index = 1; |
53 | p_dev->config_regs = PRESENT_OPTION; | |
f8cfa618 | 54 | |
15b99ac1 | 55 | return avma1cs_config(p_dev); |
1da177e4 LT |
56 | } /* avma1cs_attach */ |
57 | ||
a465870a | 58 | static void __devexit avma1cs_detach(struct pcmcia_device *link) |
1da177e4 | 59 | { |
e773cfe1 | 60 | dev_dbg(&link->dev, "avma1cs_detach(0x%p)\n", link); |
e2d40963 DB |
61 | avma1cs_release(link); |
62 | kfree(link->priv); | |
1da177e4 LT |
63 | } /* avma1cs_detach */ |
64 | ||
00990e7c | 65 | static int avma1cs_configcheck(struct pcmcia_device *p_dev, void *priv_data) |
1da177e4 | 66 | { |
00990e7c DB |
67 | p_dev->resource[0]->end = 16; |
68 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; | |
69 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_8; | |
90abdc3b | 70 | p_dev->io_lines = 5; |
00990e7c | 71 | |
90abdc3b | 72 | return pcmcia_request_io(p_dev); |
1da177e4 LT |
73 | } |
74 | ||
1da177e4 | 75 | |
a465870a | 76 | static int __devinit avma1cs_config(struct pcmcia_device *link) |
1da177e4 | 77 | { |
eb14120f | 78 | int i = -1; |
1da177e4 LT |
79 | char devname[128]; |
80 | IsdnCard_t icard; | |
81 | int busy = 0; | |
fba395ee | 82 | |
e773cfe1 | 83 | dev_dbg(&link->dev, "avma1cs_config(0x%p)\n", link); |
1da177e4 | 84 | |
5fcd4da0 DB |
85 | devname[0] = 0; |
86 | if (link->prod_id[1]) | |
87 | strlcpy(devname, link->prod_id[1], sizeof(devname)); | |
a9606fd3 | 88 | |
5fcd4da0 DB |
89 | if (pcmcia_loop_config(link, avma1cs_configcheck, NULL)) |
90 | return -ENODEV; | |
1da177e4 | 91 | |
5fcd4da0 | 92 | do { |
1da177e4 LT |
93 | /* |
94 | * allocate an interrupt line | |
95 | */ | |
eb14120f | 96 | if (!link->irq) { |
50db3fdb | 97 | /* undo */ |
fba395ee | 98 | pcmcia_disable_device(link); |
1da177e4 LT |
99 | break; |
100 | } | |
50db3fdb | 101 | |
1da177e4 LT |
102 | /* |
103 | * configure the PCMCIA socket | |
104 | */ | |
1ac71e5a | 105 | i = pcmcia_enable_device(link); |
4c89e88b | 106 | if (i != 0) { |
fba395ee | 107 | pcmcia_disable_device(link); |
1da177e4 LT |
108 | break; |
109 | } | |
110 | ||
111 | } while (0); | |
112 | ||
1da177e4 LT |
113 | /* If any step failed, release any partially configured state */ |
114 | if (i != 0) { | |
115 | avma1cs_release(link); | |
15b99ac1 | 116 | return -ENODEV; |
1da177e4 LT |
117 | } |
118 | ||
eb14120f | 119 | icard.para[0] = link->irq; |
9a017a91 | 120 | icard.para[1] = link->resource[0]->start; |
1da177e4 LT |
121 | icard.protocol = isdnprot; |
122 | icard.typ = ISDN_CTYPE_A1_PCMCIA; | |
123 | ||
124 | i = hisax_init_pcmcia(link, &busy, &icard); | |
125 | if (i < 0) { | |
9a017a91 DB |
126 | printk(KERN_ERR "avma1_cs: failed to initialize AVM A1 " |
127 | "PCMCIA %d at i/o %#x\n", i, | |
128 | (unsigned int) link->resource[0]->start); | |
1da177e4 | 129 | avma1cs_release(link); |
15b99ac1 | 130 | return -ENODEV; |
1da177e4 | 131 | } |
b498ada6 | 132 | link->priv = (void *) (unsigned long) i; |
1da177e4 | 133 | |
15b99ac1 | 134 | return 0; |
1da177e4 LT |
135 | } /* avma1cs_config */ |
136 | ||
fba395ee | 137 | static void avma1cs_release(struct pcmcia_device *link) |
1da177e4 | 138 | { |
b498ada6 | 139 | unsigned long minor = (unsigned long) link->priv; |
1da177e4 | 140 | |
e773cfe1 | 141 | dev_dbg(&link->dev, "avma1cs_release(0x%p)\n", link); |
1da177e4 | 142 | |
5f2a71fc | 143 | /* now unregister function with hisax */ |
b498ada6 | 144 | HiSax_closecard(minor); |
1da177e4 | 145 | |
fba395ee | 146 | pcmcia_disable_device(link); |
1da177e4 LT |
147 | } /* avma1cs_release */ |
148 | ||
c594c12c DB |
149 | static struct pcmcia_device_id avma1cs_ids[] = { |
150 | PCMCIA_DEVICE_PROD_ID12("AVM", "ISDN A", 0x95d42008, 0xadc9d4bb), | |
151 | PCMCIA_DEVICE_PROD_ID12("ISDN", "CARD", 0x8d9761c8, 0x01c5aa7b), | |
152 | PCMCIA_DEVICE_NULL | |
153 | }; | |
154 | MODULE_DEVICE_TABLE(pcmcia, avma1cs_ids); | |
155 | ||
1da177e4 LT |
156 | static struct pcmcia_driver avma1cs_driver = { |
157 | .owner = THIS_MODULE, | |
2e9b981a | 158 | .name = "avma1_cs", |
15b99ac1 | 159 | .probe = avma1cs_probe, |
a465870a | 160 | .remove = __devexit_p(avma1cs_detach), |
c594c12c | 161 | .id_table = avma1cs_ids, |
1da177e4 | 162 | }; |
8661bb5b | 163 | |
1da177e4 LT |
164 | static int __init init_avma1_cs(void) |
165 | { | |
06b3a1d1 | 166 | return pcmcia_register_driver(&avma1cs_driver); |
1da177e4 LT |
167 | } |
168 | ||
169 | static void __exit exit_avma1_cs(void) | |
170 | { | |
171 | pcmcia_unregister_driver(&avma1cs_driver); | |
1da177e4 LT |
172 | } |
173 | ||
174 | module_init(init_avma1_cs); | |
175 | module_exit(exit_avma1_cs); |