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
23typedef struct ixj_info_t {
24 int ndev;
25 struct ixj *port;
26} ixj_info_t;
27
28static void ixj_detach(struct pcmcia_device *p_dev);
29static int ixj_config(struct pcmcia_device * link);
30static void ixj_cs_release(struct pcmcia_device * link);
31
32static int ixj_probe(struct pcmcia_device *p_dev)
33{
34 dev_dbg(&p_dev->dev, "ixj_attach()\n");
35 /* Create new ixj device */
36 p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
37 p_dev->io.Attributes2 = IO_DATA_PATH_WIDTH_8;
38 p_dev->io.IOAddrLines = 3;
39 p_dev->conf.IntType = INT_MEMORY_AND_IO;
40 p_dev->priv = kzalloc(sizeof(struct ixj_info_t), GFP_KERNEL);
41 if (!p_dev->priv) {
42 return -ENOMEM;
43 }
44
45 return ixj_config(p_dev);
46}
47
48static void ixj_detach(struct pcmcia_device *link)
49{
50 dev_dbg(&link->dev, "ixj_detach\n");
51
52 ixj_cs_release(link);
53
54 kfree(link->priv);
55}
56
57static void ixj_get_serial(struct pcmcia_device * link, IXJ * j)
58{
59 char *str;
60 int i, place;
61 dev_dbg(&link->dev, "ixj_get_serial\n");
62
63 str = link->prod_id[0];
64 if (!str)
65 goto failed;
66 printk("%s", str);
67 str = link->prod_id[1];
68 if (!str)
69 goto failed;
70 printk(" %s", str);
71 str = link->prod_id[2];
72 if (!str)
73 goto failed;
74 place = 1;
75 for (i = strlen(str) - 1; i >= 0; i--) {
76 switch (str[i]) {
77 case '0':
78 case '1':
79 case '2':
80 case '3':
81 case '4':
82 case '5':
83 case '6':
84 case '7':
85 case '8':
86 case '9':
87 j->serial += (str[i] - 48) * place;
88 break;
89 case 'A':
90 case 'B':
91 case 'C':
92 case 'D':
93 case 'E':
94 case 'F':
95 j->serial += (str[i] - 55) * place;
96 break;
97 case 'a':
98 case 'b':
99 case 'c':
100 case 'd':
101 case 'e':
102 case 'f':
103 j->serial += (str[i] - 87) * place;
104 break;
105 }
106 place = place * 0x10;
107 }
108 str = link->prod_id[3];
109 if (!str)
110 goto failed;
111 printk(" version %s\n", str);
112failed:
113 return;
114}
115
116static int ixj_config_check(struct pcmcia_device *p_dev,
117 cistpl_cftable_entry_t *cfg,
118 cistpl_cftable_entry_t *dflt,
119 unsigned int vcc,
120 void *priv_data)
121{
122 if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
123 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
124 p_dev->io.BasePort1 = io->win[0].base;
125 p_dev->io.NumPorts1 = io->win[0].len;
126 if (io->nwin == 2) {
127 p_dev->io.BasePort2 = io->win[1].base;
128 p_dev->io.NumPorts2 = io->win[1].len;
129 }
130 if (!pcmcia_request_io(p_dev, &p_dev->io))
131 return 0;
132 }
133 return -ENODEV;
134}
135
136static int ixj_config(struct pcmcia_device * link)
137{
138 IXJ *j;
139 ixj_info_t *info;
140 cistpl_cftable_entry_t dflt = { 0 };
141
142 info = link->priv;
143 dev_dbg(&link->dev, "ixj_config\n");
144
145 if (pcmcia_loop_config(link, ixj_config_check, &dflt))
146 goto failed;
147
148 if (pcmcia_request_configuration(link, &link->conf))
149 goto failed;
150
151 /*
152 * Register the card with the core.
153 */
154 j = ixj_pcmcia_probe(link->io.BasePort1, link->io.BasePort1 + 0x10);
155
156 info->ndev = 1;
157 ixj_get_serial(link, j);
158 return 0;
159
160failed:
161 ixj_cs_release(link);
162 return -ENODEV;
163}
164
165static void ixj_cs_release(struct pcmcia_device *link)
166{
167 ixj_info_t *info = link->priv;
168 dev_dbg(&link->dev, "ixj_cs_release\n");
169 info->ndev = 0;
170 pcmcia_disable_device(link);
171}
172
173static struct pcmcia_device_id ixj_ids[] = {
174 PCMCIA_DEVICE_MANF_CARD(0x0257, 0x0600),
175 PCMCIA_DEVICE_NULL
176};
177MODULE_DEVICE_TABLE(pcmcia, ixj_ids);
178
179static struct pcmcia_driver ixj_driver = {
180 .owner = THIS_MODULE,
181 .drv = {
182 .name = "ixj_cs",
183 },
184 .probe = ixj_probe,
185 .remove = ixj_detach,
186 .id_table = ixj_ids,
187};
188
189static int __init ixj_pcmcia_init(void)
190{
191 return pcmcia_register_driver(&ixj_driver);
192}
193
194static void ixj_pcmcia_exit(void)
195{
196 pcmcia_unregister_driver(&ixj_driver);
197}
198
199module_init(ixj_pcmcia_init);
200module_exit(ixj_pcmcia_exit);
201
202MODULE_LICENSE("GPL");