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/sched.h>
7#include <linux/kernel.h> /* printk() */
8#include <linux/fs.h> /* everything... */
9#include <linux/errno.h> /* error codes */
10#include <linux/slab.h>
11
12#include <pcmcia/cs_types.h>
13#include <pcmcia/cs.h>
14#include <pcmcia/cistpl.h>
15#include <pcmcia/ds.h>
16
17#include "ixj.h"
18
19/*
20 * PCMCIA service support for Quicknet cards
21 */
22
23#ifdef PCMCIA_DEBUG
24static int pc_debug = PCMCIA_DEBUG;
25module_param(pc_debug, int, 0644);
26#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
27#else
28#define DEBUG(n, args...)
29#endif
30
31typedef struct ixj_info_t {
32 int ndev;
33 dev_node_t node;
34 struct ixj *port;
35} ixj_info_t;
36
37static void ixj_detach(struct pcmcia_device *p_dev);
38static int ixj_config(struct pcmcia_device * link);
39static void ixj_cs_release(struct pcmcia_device * link);
40
41static int ixj_probe(struct pcmcia_device *p_dev)
42{
43 DEBUG(0, "ixj_attach()\n");
44 /* Create new ixj device */
45 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
46 p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
47 p_dev->io.IOAddrLines = 3;
48 p_dev->conf.IntType = INT_MEMORY_AND_IO;
49 p_dev->priv = kmalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
50 if (!p_dev->priv) {
51 return -ENOMEM;
52 }
53 memset(p_dev->priv, 0, sizeof(struct ixj_info_t));
54
55 return ixj_config(p_dev);
56}
57
58static void ixj_detach(struct pcmcia_device *link)
59{
60 DEBUG(0, "ixj_detach(0x%p)\n", link);
61
62 ixj_cs_release(link);
63
64 kfree(link->priv);
65}
66
67#define CS_CHECK(fn, ret) \
68do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
69
70static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
71{
72 char *str;
73 int i, place;
74 DEBUG(0, "ixj_get_serial(0x%p)\n", link);
75
76 str = link->prod_id[0];
77 if (!str)
78 goto cs_failed;
79 printk("%s", str);
80 str = link->prod_id[1];
81 if (!str)
82 goto cs_failed;
83 printk(" %s", str);
84 str = link->prod_id[2];
85 if (!str)
86 goto cs_failed;
87 place = 1;
88 for (i = strlen(str) - 1; i >= 0; i--) {
89 switch (str[i]) {
90 case '0':
91 case '1':
92 case '2':
93 case '3':
94 case '4':
95 case '5':
96 case '6':
97 case '7':
98 case '8':
99 case '9':
100 j->serial += (str[i] - 48) * place;
101 break;
102 case 'A':
103 case 'B':
104 case 'C':
105 case 'D':
106 case 'E':
107 case 'F':
108 j->serial += (str[i] - 55) * place;
109 break;
110 case 'a':
111 case 'b':
112 case 'c':
113 case 'd':
114 case 'e':
115 case 'f':
116 j->serial += (str[i] - 87) * place;
117 break;
118 }
119 place = place * 0x10;
120 }
121 str = link->prod_id[3];
122 if (!str)
123 goto cs_failed;
124 printk(" version %s\n", str);
125 cs_failed:
126 return;
127}
128
129static int ixj_config(struct pcmcia_device * link)
130{
131 IXJ *j;
132 ixj_info_t *info;
133 tuple_t tuple;
134 u_short buf[128];
135 cisparse_t parse;
136 cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
137 cistpl_cftable_entry_t dflt =
138 {
139 0
140 };
141 int last_ret, last_fn;
142 info = link->priv;
143 DEBUG(0, "ixj_config(0x%p)\n", link);
144 tuple.TupleData = (cisdata_t *) buf;
145 tuple.TupleOffset = 0;
146 tuple.TupleDataMax = 255;
147 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
148 tuple.Attributes = 0;
149 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
150 while (1) {
151 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
152 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
153 goto next_entry;
154 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
155 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
156 link->conf.ConfigIndex = cfg->index;
157 link->io.BasePort1 = io->win[0].base;
158 link->io.NumPorts1 = io->win[0].len;
159 if (io->nwin == 2) {
160 link->io.BasePort2 = io->win[1].base;
161 link->io.NumPorts2 = io->win[1].len;
162 }
163 if (pcmcia_request_io(link, &link->io) != 0)
164 goto next_entry;
165 /* If we've got this far, we're done */
166 break;
167 }
168 next_entry:
169 if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
170 dflt = *cfg;
171 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
172 }
173
174 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
175
176 /*
177 * Register the card with the core.
178 */
179 j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);
180
181 info->ndev = 1;
182 info->node.major = PHONE_MAJOR;
183 link->dev_node = &info->node;
184 ixj_get_serial(link, j);
185 return 0;
186 cs_failed:
187 cs_error(link, last_fn, last_ret);
188 ixj_cs_release(link);
189 return -ENODEV;
190}
191
192static void ixj_cs_release(struct pcmcia_device *link)
193{
194 ixj_info_t *info = link->priv;
195 DEBUG(0, "ixj_cs_release(0x%p)\n", link);
196 info->ndev = 0;
197 pcmcia_disable_device(link);
198}
199
200static struct pcmcia_device_id ixj_ids[] = {
201 PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
202 PCMCIA_DEVICE_NULL
203};
204MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
205
206static struct pcmcia_driver ixj_driver = {
207 .owner = THIS_MODULE,
208 .drv = {
209 .name = "ixj_cs",
210 },
211 .probe = ixj_probe,
212 .remove = ixj_detach,
213 .id_table = ixj_ids,
214};
215
216static int __init ixj_pcmcia_init(void)
217{
218 return pcmcia_register_driver(&ixj_driver);
219}
220
221static void ixj_pcmcia_exit(void)
222{
223 pcmcia_unregister_driver(&ixj_driver);
224}
225
226module_init(ixj_pcmcia_init);
227module_exit(ixj_pcmcia_exit);
228
229MODULE_LICENSE("GPL");