tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#include "ixj-ver.h"
2
3#include <linux/module.h>
4
5#include <linux/init.h>
6#include <linux/kernel.h> /* printk() */
7#include <linux/fs.h> /* everything... */
8#include <linux/errno.h> /* error codes */
9#include <linux/slab.h>
10
11#include <pcmcia/cs_types.h>
12#include <pcmcia/cs.h>
13#include <pcmcia/cistpl.h>
14#include <pcmcia/ds.h>
15
16#include "ixj.h"
17
18/*
19 * PCMCIA service support for Quicknet cards
20 */
21
22#ifdef PCMCIA_DEBUG
23static int pc_debug = PCMCIA_DEBUG;
24module_param(pc_debug, int, 0644);
25#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
26#else
27#define DEBUG(n, args...)
28#endif
29
30typedef struct ixj_info_t {
31 int ndev;
32 dev_node_t node;
33 struct ixj *port;
34} ixj_info_t;
35
36static void ixj_detach(struct pcmcia_device *p_dev);
37static int ixj_config(struct pcmcia_device * link);
38static void ixj_cs_release(struct pcmcia_device * link);
39
40static int ixj_probe(struct pcmcia_device *p_dev)
41{
42 DEBUG(0, "ixj_attach()\n");
43 /* Create new ixj device */
44 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
45 p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
46 p_dev->io.IOAddrLines = 3;
47 p_dev->conf.IntType = INT_MEMORY_AND_IO;
48 p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
49 if (!p_dev->priv) {
50 return -ENOMEM;
51 }
52
53 return ixj_config(p_dev);
54}
55
56static void ixj_detach(struct pcmcia_device *link)
57{
58 DEBUG(0, "ixj_detach(0x%p)\n", link);
59
60 ixj_cs_release(link);
61
62 kfree(link->priv);
63}
64
65#define CS_CHECK(fn, ret) \
66do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
67
68static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
69{
70 char *str;
71 int i, place;
72 DEBUG(0, "ixj_get_serial(0x%p)\n", link);
73
74 str = link->prod_id[0];
75 if (!str)
76 goto cs_failed;
77 printk("%s", str);
78 str = link->prod_id[1];
79 if (!str)
80 goto cs_failed;
81 printk(" %s", str);
82 str = link->prod_id[2];
83 if (!str)
84 goto cs_failed;
85 place = 1;
86 for (i = strlen(str) - 1; i >= 0; i--) {
87 switch (str[i]) {
88 case '0':
89 case '1':
90 case '2':
91 case '3':
92 case '4':
93 case '5':
94 case '6':
95 case '7':
96 case '8':
97 case '9':
98 j->serial += (str[i] - 48) * place;
99 break;
100 case 'A':
101 case 'B':
102 case 'C':
103 case 'D':
104 case 'E':
105 case 'F':
106 j->serial += (str[i] - 55) * place;
107 break;
108 case 'a':
109 case 'b':
110 case 'c':
111 case 'd':
112 case 'e':
113 case 'f':
114 j->serial += (str[i] - 87) * place;
115 break;
116 }
117 place = place * 0x10;
118 }
119 str = link->prod_id[3];
120 if (!str)
121 goto cs_failed;
122 printk(" version %s\n", str);
123 cs_failed:
124 return;
125}
126
127static int ixj_config(struct pcmcia_device * link)
128{
129 IXJ *j;
130 ixj_info_t *info;
131 tuple_t tuple;
132 u_short buf[128];
133 cisparse_t parse;
134 cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
135 cistpl_cftable_entry_t dflt =
136 {
137 0
138 };
139 int last_ret, last_fn;
140 info = link->priv;
141 DEBUG(0, "ixj_config(0x%p)\n", link);
142 tuple.TupleData = (cisdata_t *) buf;
143 tuple.TupleOffset = 0;
144 tuple.TupleDataMax = 255;
145 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
146 tuple.Attributes = 0;
147 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
148 while (1) {
149 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
150 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
151 goto next_entry;
152 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
153 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
154 link->conf.ConfigIndex = cfg->index;
155 link->io.BasePort1 = io->win[0].base;
156 link->io.NumPorts1 = io->win[0].len;
157 if (io->nwin == 2) {
158 link->io.BasePort2 = io->win[1].base;
159 link->io.NumPorts2 = io->win[1].len;
160 }
161 if (pcmcia_request_io(link, &link->io) != 0)
162 goto next_entry;
163 /* If we've got this far, we're done */
164 break;
165 }
166 next_entry:
167 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
168 dflt = *cfg;
169 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
170 }
171
172 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
173
174 /*
175 * Register the card with the core.
176 */
177 j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
178
179 info->ndev = 1;
180 info->node.major = PHONE_MAJOR;
181 link->dev_node = &info->node;
182 ixj_get_serial(link, j);
183 return 0;
184 cs_failed:
185 cs_error(link, last_fn, last_ret);
186 ixj_cs_release(link);
187 return -ENODEV;
188}
189
190static void ixj_cs_release(struct pcmcia_device *link)
191{
192 ixj_info_t *info = link->priv;
193 DEBUG(0, "ixj_cs_release(0x%p)\n", link);
194 info->ndev = 0;
195 pcmcia_disable_device(link);
196}
197
198static struct pcmcia_device_id ixj_ids[] = {
199 PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
200 PCMCIA_DEVICE_NULL
201};
202MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
203
204static struct pcmcia_driver ixj_driver = {
205 .owner = THIS_MODULE,
206 .drv = {
207 .name = "ixj_cs",
208 },
209 .probe = ixj_probe,
210 .remove = ixj_detach,
211 .id_table = ixj_ids,
212};
213
214static int __init ixj_pcmcia_init(void)
215{
216 return pcmcia_register_driver(&ixj_driver);
217}
218
219static void ixj_pcmcia_exit(void)
220{
221 pcmcia_unregister_driver(&ixj_driver);
222}
223
224module_init(ixj_pcmcia_init);
225module_exit(ixj_pcmcia_exit);
226
227MODULE_LICENSE("GPL");