Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*** -*- linux-c -*- ********************************************************** |
| 2 | |
| 3 | Driver for Atmel at76c502 at76c504 and at76c506 wireless cards. |
| 4 | |
| 5 | Copyright 2000-2001 ATMEL Corporation. |
| 6 | Copyright 2003 Simon Kelley. |
| 7 | |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 8 | This code was developed from version 2.1.1 of the Atmel drivers, |
| 9 | released by Atmel corp. under the GPL in December 2002. It also |
| 10 | includes code from the Linux aironet drivers (C) Benjamin Reed, |
| 11 | and the Linux PCMCIA package, (C) David Hinds. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 12 | |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 13 | For all queries about this code, please contact the current author, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 14 | Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation. |
| 15 | |
| 16 | This program is free software; you can redistribute it and/or modify |
| 17 | it under the terms of the GNU General Public License as published by |
| 18 | the Free Software Foundation; either version 2 of the License, or |
| 19 | (at your option) any later version. |
| 20 | |
| 21 | This software is distributed in the hope that it will be useful, |
| 22 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 23 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 24 | GNU General Public License for more details. |
| 25 | |
| 26 | You should have received a copy of the GNU General Public License |
| 27 | along with Atmel wireless lan drivers; if not, write to the Free Software |
| 28 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 29 | |
| 30 | ******************************************************************************/ |
| 31 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 32 | #ifdef __IN_PCMCIA_PACKAGE__ |
| 33 | #include <pcmcia/k_compat.h> |
| 34 | #endif |
| 35 | #include <linux/init.h> |
| 36 | #include <linux/kernel.h> |
| 37 | #include <linux/module.h> |
| 38 | #include <linux/ptrace.h> |
| 39 | #include <linux/slab.h> |
| 40 | #include <linux/string.h> |
| 41 | #include <linux/netdevice.h> |
| 42 | #include <linux/moduleparam.h> |
| 43 | #include <linux/device.h> |
| 44 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 45 | #include <pcmcia/cs.h> |
| 46 | #include <pcmcia/cistpl.h> |
| 47 | #include <pcmcia/cisreg.h> |
| 48 | #include <pcmcia/ds.h> |
| 49 | #include <pcmcia/ciscode.h> |
| 50 | |
| 51 | #include <asm/io.h> |
| 52 | #include <asm/system.h> |
| 53 | #include <linux/wireless.h> |
| 54 | |
| 55 | #include "atmel.h" |
| 56 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
| 58 | /*====================================================================*/ |
| 59 | |
| 60 | MODULE_AUTHOR("Simon Kelley"); |
| 61 | MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards."); |
| 62 | MODULE_LICENSE("GPL"); |
| 63 | MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); |
| 64 | |
| 65 | /*====================================================================*/ |
| 66 | |
| 67 | /* |
| 68 | The event() function is this driver's Card Services event handler. |
| 69 | It will be called by Card Services when an appropriate card status |
| 70 | event is received. The config() and release() entry points are |
| 71 | used to configure or release a socket, in response to card |
| 72 | insertion and ejection events. They are invoked from the atmel_cs |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 73 | event handler. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 74 | */ |
| 75 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 76 | static int atmel_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 77 | static void atmel_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | |
| 79 | /* |
| 80 | The attach() and detach() entry points are used to create and destroy |
| 81 | "instances" of the driver, where each instance represents everything |
| 82 | needed to manage one actual PCMCIA card. |
| 83 | */ |
| 84 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 85 | static void atmel_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | typedef struct local_info_t { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | struct net_device *eth_dev; |
| 89 | } local_info_t; |
| 90 | |
| 91 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 92 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | atmel_attach() creates an "instance" of the driver, allocating |
| 94 | local data structures for one device. The device is registered |
| 95 | with Card Services. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 96 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | The dev_link structure is initialized, but we don't actually |
| 98 | configure the card at this point -- we wait until we receive a |
| 99 | card insertion event. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 100 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | ======================================================================*/ |
| 102 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 103 | static int atmel_probe(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | local_info_t *local; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 106 | |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 107 | dev_dbg(&p_dev->dev, "atmel_attach()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | /* |
| 110 | General socket configuration defaults can go here. In this |
| 111 | client, we assume very little, and rely on the CIS for almost |
| 112 | everything. In most clients, many details (i.e., number, sizes, |
| 113 | and attributes of IO windows) are fixed by the nature of the |
| 114 | device, and can be hard-wired here. |
| 115 | */ |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 116 | p_dev->conf.Attributes = 0; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 117 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | /* Allocate space for private device-specific data */ |
Panagiotis Issaris | b69a3aa | 2005-11-08 00:03:15 +0100 | [diff] [blame] | 119 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 120 | if (!local) { |
| 121 | printk(KERN_ERR "atmel_cs: no memory for new device\n"); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 122 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | } |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 124 | p_dev->priv = local; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 125 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 126 | return atmel_config(p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 127 | } /* atmel_attach */ |
| 128 | |
| 129 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 130 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 131 | This deletes a driver "instance". The device is de-registered |
| 132 | with Card Services. If it has been released, all local data |
| 133 | structures are freed. Otherwise, the structures will be freed |
| 134 | when the device is released. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 135 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | ======================================================================*/ |
| 137 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 138 | static void atmel_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | { |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 140 | dev_dbg(&link->dev, "atmel_detach\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 142 | atmel_release(link); |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 143 | |
Jesper Juhl | b4558ea | 2005-10-28 16:53:13 -0400 | [diff] [blame] | 144 | kfree(link->priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | } |
| 146 | |
| 147 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | atmel_config() is scheduled to run after a CARD_INSERTION event |
| 150 | is received, to configure the PCMCIA socket, and to make the |
| 151 | device available to the system. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 152 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 153 | ======================================================================*/ |
| 154 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | /* Call-back function to interrogate PCMCIA-specific information |
| 156 | about the current existance of the card */ |
| 157 | static int card_present(void *arg) |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 158 | { |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 159 | struct pcmcia_device *link = (struct pcmcia_device *)arg; |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 160 | |
| 161 | if (pcmcia_dev_present(link)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | return 1; |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 163 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | return 0; |
| 165 | } |
| 166 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 167 | static int atmel_config_check(struct pcmcia_device *p_dev, |
| 168 | cistpl_cftable_entry_t *cfg, |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 169 | cistpl_cftable_entry_t *dflt, |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 170 | unsigned int vcc, |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 171 | void *priv_data) |
| 172 | { |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 173 | if (cfg->index == 0) |
| 174 | return -ENODEV; |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 175 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 176 | /* Does this card need audio output? */ |
Dominik Brodowski | fc30110 | 2010-07-29 16:19:39 +0200 | [diff] [blame] | 177 | if (cfg->flags & CISTPL_CFTABLE_AUDIO) |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 178 | p_dev->conf.Attributes |= CONF_ENABLE_SPKR; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 179 | |
| 180 | /* Use power settings for Vcc and Vpp if present */ |
| 181 | /* Note that the CIS values need to be rescaled */ |
| 182 | if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM)) |
Dominik Brodowski | e8405f0 | 2010-07-29 15:50:55 +0200 | [diff] [blame] | 183 | p_dev->vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 184 | else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM)) |
Dominik Brodowski | e8405f0 | 2010-07-29 15:50:55 +0200 | [diff] [blame] | 185 | p_dev->vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 186 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 187 | p_dev->conf.Attributes |= CONF_ENABLE_IRQ; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 188 | |
| 189 | /* IO window settings */ |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 190 | p_dev->resource[0]->end = p_dev->resource[1]->end = 0; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 191 | if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) { |
| 192 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 193 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; |
| 194 | p_dev->resource[0]->flags |= |
| 195 | pcmcia_io_cfg_data_width(io->flags); |
| 196 | p_dev->resource[0]->start = io->win[0].base; |
| 197 | p_dev->resource[0]->end = io->win[0].len; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 198 | if (io->nwin > 1) { |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 199 | p_dev->resource[1]->flags = p_dev->resource[0]->flags; |
| 200 | p_dev->resource[1]->start = io->win[1].base; |
| 201 | p_dev->resource[1]->end = io->win[1].len; |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 202 | } |
| 203 | } |
| 204 | |
| 205 | /* This reserves IO space but doesn't actually enable it */ |
Dominik Brodowski | 90abdc3 | 2010-07-24 17:23:51 +0200 | [diff] [blame] | 206 | return pcmcia_request_io(p_dev); |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 207 | } |
| 208 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 209 | static int atmel_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | local_info_t *dev; |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 212 | int ret; |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 213 | struct pcmcia_device_id *did; |
| 214 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | dev = link->priv; |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame] | 216 | did = dev_get_drvdata(&link->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 218 | dev_dbg(&link->dev, "atmel_config\n"); |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 219 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 221 | In this loop, we scan the CIS for configuration table entries, |
| 222 | each of which describes a valid card configuration, including |
| 223 | voltage, IO window, memory window, and interrupt settings. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 224 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 225 | We make no assumptions about the card to be configured: we use |
| 226 | just the information available in the CIS. In an ideal world, |
| 227 | this would work for any PCMCIA card, but it requires a complete |
| 228 | and accurate CIS. In practice, a driver usually "knows" most of |
| 229 | these things without consulting the CIS, and most client drivers |
| 230 | will only use the CIS to fill in implementation-defined details. |
| 231 | */ |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 232 | if (pcmcia_loop_config(link, atmel_config_check, NULL)) |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 233 | goto failed; |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 234 | |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 235 | if (!link->irq) { |
| 236 | dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config."); |
| 237 | goto failed; |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 238 | } |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 239 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | /* |
| 241 | This actually configures the PCMCIA socket -- setting up |
| 242 | the I/O windows and the interrupt mapping, and putting the |
| 243 | card and host interface into "Memory and IO" mode. |
| 244 | */ |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 245 | ret = pcmcia_request_configuration(link, &link->conf); |
| 246 | if (ret) |
| 247 | goto failed; |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 248 | |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 249 | ((local_info_t*)link->priv)->eth_dev = |
Dominik Brodowski | eb14120 | 2010-03-07 12:21:16 +0100 | [diff] [blame] | 250 | init_atmel_card(link->irq, |
Dominik Brodowski | 9a017a9 | 2010-07-24 15:58:54 +0200 | [diff] [blame] | 251 | link->resource[0]->start, |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 252 | did ? did->driver_info : ATMEL_FW_TYPE_NONE, |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame] | 253 | &link->dev, |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 254 | card_present, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 255 | link); |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 256 | if (!((local_info_t*)link->priv)->eth_dev) |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 257 | goto failed; |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 258 | |
| 259 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 260 | return 0; |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 261 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 262 | failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | atmel_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 264 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | } |
| 266 | |
| 267 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 268 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | After a card is removed, atmel_release() will unregister the |
| 270 | device, and release the PCMCIA configuration. If the device is |
| 271 | still open, this will be postponed until it is closed. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 272 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | ======================================================================*/ |
| 274 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 275 | static void atmel_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | { |
| 277 | struct net_device *dev = ((local_info_t*)link->priv)->eth_dev; |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 278 | |
Dominik Brodowski | 2caff147 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 279 | dev_dbg(&link->dev, "atmel_release\n"); |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 280 | |
| 281 | if (dev) |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 282 | stop_atmel_card(dev); |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 283 | ((local_info_t*)link->priv)->eth_dev = NULL; |
| 284 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 285 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 286 | } |
| 287 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 288 | static int atmel_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 289 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 290 | local_info_t *local = link->priv; |
| 291 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 292 | netif_device_detach(local->eth_dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 293 | |
| 294 | return 0; |
| 295 | } |
| 296 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 297 | static int atmel_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 298 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 299 | local_info_t *local = link->priv; |
| 300 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 301 | atmel_open(local->eth_dev); |
| 302 | netif_device_attach(local->eth_dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 303 | |
| 304 | return 0; |
| 305 | } |
| 306 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | /*====================================================================*/ |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 308 | /* We use the driver_info field to store the correct firmware type for a card. */ |
| 309 | |
| 310 | #define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \ |
| 311 | .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \ |
| 312 | PCMCIA_DEV_ID_MATCH_CARD_ID, \ |
| 313 | .manf_id = (manf), \ |
| 314 | .card_id = (card), \ |
| 315 | .driver_info = (kernel_ulong_t)(info), } |
| 316 | |
| 317 | #define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \ |
| 318 | .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \ |
| 319 | PCMCIA_DEV_ID_MATCH_PROD_ID2, \ |
| 320 | .prod_id = { (v1), (v2), NULL, NULL }, \ |
| 321 | .prod_id_hash = { (vh1), (vh2), 0, 0 }, \ |
| 322 | .driver_info = (kernel_ulong_t)(info), } |
| 323 | |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 324 | static struct pcmcia_device_id atmel_ids[] = { |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 325 | PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM), |
| 326 | PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM), |
| 327 | PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E), |
| 328 | PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502), |
| 329 | PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E), |
| 330 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502), |
| 331 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D), |
| 332 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E), |
| 333 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958), |
| 334 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504), |
| 335 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958), |
| 336 | PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502), |
| 337 | PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E), |
| 338 | PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502), |
| 339 | PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958), |
| 340 | PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502), |
| 341 | PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D), |
| 342 | PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502), |
| 343 | PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D), |
| 344 | PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D), |
| 345 | PCMCIA_DEVICE_PROD_ID12_INFO("LG", "LW2100N", 0xb474d43a, 0x6b1fec94, ATMEL_FW_TYPE_502E), |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 346 | PCMCIA_DEVICE_NULL |
| 347 | }; |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 348 | |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 349 | MODULE_DEVICE_TABLE(pcmcia, atmel_ids); |
| 350 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 351 | static struct pcmcia_driver atmel_driver = { |
Dominik Brodowski | 1e212f3 | 2005-07-07 17:59:00 -0700 | [diff] [blame] | 352 | .owner = THIS_MODULE, |
| 353 | .drv = { |
| 354 | .name = "atmel_cs", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 355 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 356 | .probe = atmel_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 357 | .remove = atmel_detach, |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 358 | .id_table = atmel_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 359 | .suspend = atmel_suspend, |
| 360 | .resume = atmel_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | }; |
| 362 | |
| 363 | static int atmel_cs_init(void) |
| 364 | { |
| 365 | return pcmcia_register_driver(&atmel_driver); |
| 366 | } |
| 367 | |
| 368 | static void atmel_cs_cleanup(void) |
| 369 | { |
| 370 | pcmcia_unregister_driver(&atmel_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | } |
| 372 | |
| 373 | /* |
| 374 | This program is free software; you can redistribute it and/or |
| 375 | modify it under the terms of the GNU General Public License |
| 376 | as published by the Free Software Foundation; either version 2 |
| 377 | of the License, or (at your option) any later version. |
| 378 | |
| 379 | This program is distributed in the hope that it will be useful, |
| 380 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 381 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 382 | GNU General Public License for more details. |
| 383 | |
| 384 | In addition: |
| 385 | |
| 386 | Redistribution and use in source and binary forms, with or without |
| 387 | modification, are permitted provided that the following conditions |
| 388 | are met: |
| 389 | |
| 390 | 1. Redistributions of source code must retain the above copyright |
| 391 | notice, this list of conditions and the following disclaimer. |
| 392 | 2. Redistributions in binary form must reproduce the above copyright |
| 393 | notice, this list of conditions and the following disclaimer in the |
| 394 | documentation and/or other materials provided with the distribution. |
| 395 | 3. The name of the author may not be used to endorse or promote |
| 396 | products derived from this software without specific prior written |
| 397 | permission. |
| 398 | |
| 399 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 400 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 401 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 402 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 403 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 404 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 405 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 406 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 407 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 408 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 409 | POSSIBILITY OF SUCH DAMAGE. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 410 | */ |
| 411 | |
| 412 | module_init(atmel_cs_init); |
| 413 | module_exit(atmel_cs_cleanup); |