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e4d6b795 MB |
1 | /* |
2 | ||
3 | Broadcom B43 wireless driver | |
4 | ||
5 | Copyright (c) 2007 Michael Buesch <mb@bu3sch.de> | |
6 | ||
7 | This program is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | This program is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this program; see the file COPYING. If not, write to | |
19 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, | |
20 | Boston, MA 02110-1301, USA. | |
21 | ||
22 | */ | |
23 | ||
1a09404a MB |
24 | #include "pcmcia.h" |
25 | ||
e4d6b795 | 26 | #include <linux/ssb/ssb.h> |
5a0e3ad6 | 27 | #include <linux/slab.h> |
e4d6b795 | 28 | |
e4d6b795 MB |
29 | #include <pcmcia/cistpl.h> |
30 | #include <pcmcia/ciscode.h> | |
31 | #include <pcmcia/ds.h> | |
32 | #include <pcmcia/cisreg.h> | |
33 | ||
1a09404a | 34 | |
e4d6b795 MB |
35 | static /*const */ struct pcmcia_device_id b43_pcmcia_tbl[] = { |
36 | PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x448), | |
cff782cd | 37 | PCMCIA_DEVICE_MANF_CARD(0x2D0, 0x476), |
e4d6b795 MB |
38 | PCMCIA_DEVICE_NULL, |
39 | }; | |
40 | ||
41 | MODULE_DEVICE_TABLE(pcmcia, b43_pcmcia_tbl); | |
42 | ||
43 | #ifdef CONFIG_PM | |
44 | static int b43_pcmcia_suspend(struct pcmcia_device *dev) | |
45 | { | |
8fe2b65a MB |
46 | struct ssb_bus *ssb = dev->priv; |
47 | ||
48 | return ssb_bus_suspend(ssb); | |
e4d6b795 MB |
49 | } |
50 | ||
51 | static int b43_pcmcia_resume(struct pcmcia_device *dev) | |
52 | { | |
8fe2b65a MB |
53 | struct ssb_bus *ssb = dev->priv; |
54 | ||
55 | return ssb_bus_resume(ssb); | |
e4d6b795 MB |
56 | } |
57 | #else /* CONFIG_PM */ | |
58 | # define b43_pcmcia_suspend NULL | |
59 | # define b43_pcmcia_resume NULL | |
60 | #endif /* CONFIG_PM */ | |
61 | ||
62 | static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev) | |
63 | { | |
64 | struct ssb_bus *ssb; | |
e4d6b795 | 65 | int err = -ENOMEM; |
ce2d9059 | 66 | int res = 0; |
e4d6b795 MB |
67 | |
68 | ssb = kzalloc(sizeof(*ssb), GFP_KERNEL); | |
69 | if (!ssb) | |
ce2d9059 | 70 | goto out_error; |
e4d6b795 MB |
71 | |
72 | err = -ENODEV; | |
e4d6b795 | 73 | |
1ac71e5a | 74 | dev->config_flags |= CONF_ENABLE_IRQ; |
e4d6b795 | 75 | |
cdb13808 | 76 | dev->resource[2]->flags |= WIN_ENABLE | WIN_DATA_WIDTH_16 | |
ce2d9059 | 77 | WIN_USE_WAIT; |
cdb13808 DB |
78 | dev->resource[2]->start = 0; |
79 | dev->resource[2]->end = SSB_CORE_SIZE; | |
80 | res = pcmcia_request_window(dev, dev->resource[2], 250); | |
4c89e88b | 81 | if (res != 0) |
e4d6b795 MB |
82 | goto err_kfree_ssb; |
83 | ||
cdb13808 | 84 | res = pcmcia_map_mem_page(dev, dev->resource[2], 0); |
4c89e88b | 85 | if (res != 0) |
ce2d9059 | 86 | goto err_disable; |
e4d6b795 | 87 | |
eb14120f | 88 | if (!dev->irq) |
9dcb5f47 MB |
89 | goto err_disable; |
90 | ||
1ac71e5a | 91 | res = pcmcia_enable_device(dev); |
4c89e88b | 92 | if (res != 0) |
e4d6b795 MB |
93 | goto err_disable; |
94 | ||
cdb13808 | 95 | err = ssb_bus_pcmciabus_register(ssb, dev, dev->resource[2]->start); |
ce2d9059 MB |
96 | if (err) |
97 | goto err_disable; | |
e4d6b795 MB |
98 | dev->priv = ssb; |
99 | ||
ce2d9059 MB |
100 | return 0; |
101 | ||
102 | err_disable: | |
e4d6b795 | 103 | pcmcia_disable_device(dev); |
ce2d9059 | 104 | err_kfree_ssb: |
e4d6b795 | 105 | kfree(ssb); |
ce2d9059 MB |
106 | out_error: |
107 | printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n", | |
108 | res, err); | |
e4d6b795 MB |
109 | return err; |
110 | } | |
111 | ||
112 | static void __devexit b43_pcmcia_remove(struct pcmcia_device *dev) | |
113 | { | |
114 | struct ssb_bus *ssb = dev->priv; | |
115 | ||
116 | ssb_bus_unregister(ssb); | |
e4d6b795 MB |
117 | pcmcia_disable_device(dev); |
118 | kfree(ssb); | |
119 | dev->priv = NULL; | |
120 | } | |
121 | ||
122 | static struct pcmcia_driver b43_pcmcia_driver = { | |
ce2d9059 | 123 | .owner = THIS_MODULE, |
2e9b981a | 124 | .name = "b43-pcmcia", |
ce2d9059 MB |
125 | .id_table = b43_pcmcia_tbl, |
126 | .probe = b43_pcmcia_probe, | |
127 | .remove = __devexit_p(b43_pcmcia_remove), | |
128 | .suspend = b43_pcmcia_suspend, | |
129 | .resume = b43_pcmcia_resume, | |
e4d6b795 MB |
130 | }; |
131 | ||
132 | int b43_pcmcia_init(void) | |
133 | { | |
134 | return pcmcia_register_driver(&b43_pcmcia_driver); | |
135 | } | |
136 | ||
137 | void b43_pcmcia_exit(void) | |
138 | { | |
139 | pcmcia_unregister_driver(&b43_pcmcia_driver); | |
140 | } |