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_types.h> |
| 46 | #include <pcmcia/cs.h> |
| 47 | #include <pcmcia/cistpl.h> |
| 48 | #include <pcmcia/cisreg.h> |
| 49 | #include <pcmcia/ds.h> |
| 50 | #include <pcmcia/ciscode.h> |
| 51 | |
| 52 | #include <asm/io.h> |
| 53 | #include <asm/system.h> |
| 54 | #include <linux/wireless.h> |
| 55 | |
| 56 | #include "atmel.h" |
| 57 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | |
| 59 | /*====================================================================*/ |
| 60 | |
| 61 | MODULE_AUTHOR("Simon Kelley"); |
| 62 | MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards."); |
| 63 | MODULE_LICENSE("GPL"); |
| 64 | MODULE_SUPPORTED_DEVICE("Atmel at76c50x PCMCIA cards"); |
| 65 | |
| 66 | /*====================================================================*/ |
| 67 | |
| 68 | /* |
| 69 | The event() function is this driver's Card Services event handler. |
| 70 | It will be called by Card Services when an appropriate card status |
| 71 | event is received. The config() and release() entry points are |
| 72 | used to configure or release a socket, in response to card |
| 73 | insertion and ejection events. They are invoked from the atmel_cs |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 74 | event handler. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | */ |
| 76 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 77 | static int atmel_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 78 | static void atmel_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 79 | |
| 80 | /* |
| 81 | The attach() and detach() entry points are used to create and destroy |
| 82 | "instances" of the driver, where each instance represents everything |
| 83 | needed to manage one actual PCMCIA card. |
| 84 | */ |
| 85 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 86 | static void atmel_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | |
| 88 | /* |
| 89 | You'll also need to prototype all the functions that will actually |
| 90 | be used to talk to your device. See 'pcmem_cs' for a good example |
| 91 | of a fully self-sufficient driver; the other drivers rely more or |
| 92 | less on other parts of the kernel. |
| 93 | */ |
| 94 | |
| 95 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | A linked list of "instances" of the atmelnet device. Each actual |
| 97 | PCMCIA card corresponds to one device instance, and is described |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 98 | by one struct pcmcia_device structure (defined in ds.h). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 99 | |
| 100 | You may not want to use a linked list for this -- for example, the |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 101 | memory card driver uses an array of struct pcmcia_device pointers, where minor |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | device numbers are used to derive the corresponding array index. |
| 103 | */ |
| 104 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | A driver needs to provide a dev_node_t structure for each device |
| 107 | on a card. In some cases, there is only one device per card (for |
| 108 | example, ethernet cards, modems). In other cases, there may be |
| 109 | many actual or logical devices (SCSI adapters, memory cards with |
| 110 | multiple partitions). The dev_node_t structures need to be kept |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 111 | in a linked list starting at the 'dev' field of a struct pcmcia_device |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | structure. We allocate them in the card's private data structure, |
| 113 | because they generally shouldn't be allocated dynamically. |
| 114 | |
| 115 | In this case, we also provide a flag to indicate if a device is |
| 116 | "stopped" due to a power management event, or card ejection. The |
| 117 | device IO routines can use a flag like this to throttle IO to a |
| 118 | card that is not ready to accept it. |
| 119 | */ |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 120 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 121 | typedef struct local_info_t { |
| 122 | dev_node_t node; |
| 123 | struct net_device *eth_dev; |
| 124 | } local_info_t; |
| 125 | |
| 126 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 127 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 128 | atmel_attach() creates an "instance" of the driver, allocating |
| 129 | local data structures for one device. The device is registered |
| 130 | with Card Services. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 131 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | The dev_link structure is initialized, but we don't actually |
| 133 | configure the card at this point -- we wait until we receive a |
| 134 | card insertion event. |
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 | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 138 | static int atmel_probe(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | local_info_t *local; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 141 | |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 142 | dev_dbg(&p_dev->dev, "atmel_attach()\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 144 | /* Interrupt setup */ |
Alan Cox | 47cbb11 | 2008-09-23 13:53:09 +0100 | [diff] [blame] | 145 | p_dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 146 | p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; |
| 147 | p_dev->irq.Handler = NULL; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 148 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | /* |
| 150 | General socket configuration defaults can go here. In this |
| 151 | client, we assume very little, and rely on the CIS for almost |
| 152 | everything. In most clients, many details (i.e., number, sizes, |
| 153 | and attributes of IO windows) are fixed by the nature of the |
| 154 | device, and can be hard-wired here. |
| 155 | */ |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 156 | p_dev->conf.Attributes = 0; |
| 157 | p_dev->conf.IntType = INT_MEMORY_AND_IO; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 158 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | /* Allocate space for private device-specific data */ |
Panagiotis Issaris | b69a3aa | 2005-11-08 00:03:15 +0100 | [diff] [blame] | 160 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 161 | if (!local) { |
| 162 | printk(KERN_ERR "atmel_cs: no memory for new device\n"); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 163 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | } |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 165 | p_dev->priv = local; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 166 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 167 | return atmel_config(p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | } /* atmel_attach */ |
| 169 | |
| 170 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 171 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 172 | This deletes a driver "instance". The device is de-registered |
| 173 | with Card Services. If it has been released, all local data |
| 174 | structures are freed. Otherwise, the structures will be freed |
| 175 | when the device is released. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 176 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 177 | ======================================================================*/ |
| 178 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 179 | static void atmel_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 180 | { |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 181 | dev_dbg(&link->dev, "atmel_detach\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 183 | atmel_release(link); |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 184 | |
Jesper Juhl | b4558ea | 2005-10-28 16:53:13 -0400 | [diff] [blame] | 185 | kfree(link->priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | } |
| 187 | |
| 188 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 189 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | atmel_config() is scheduled to run after a CARD_INSERTION event |
| 191 | is received, to configure the PCMCIA socket, and to make the |
| 192 | device available to the system. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 193 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 194 | ======================================================================*/ |
| 195 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 196 | /* Call-back function to interrogate PCMCIA-specific information |
| 197 | about the current existance of the card */ |
| 198 | static int card_present(void *arg) |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 199 | { |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 200 | struct pcmcia_device *link = (struct pcmcia_device *)arg; |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 201 | |
| 202 | if (pcmcia_dev_present(link)) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 203 | return 1; |
Dominik Brodowski | 9940ec3 | 2006-03-05 11:04:33 +0100 | [diff] [blame] | 204 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 205 | return 0; |
| 206 | } |
| 207 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 208 | static int atmel_config_check(struct pcmcia_device *p_dev, |
| 209 | cistpl_cftable_entry_t *cfg, |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 210 | cistpl_cftable_entry_t *dflt, |
Dominik Brodowski | ad913c1 | 2008-08-02 16:12:00 +0200 | [diff] [blame] | 211 | unsigned int vcc, |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 212 | void *priv_data) |
| 213 | { |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 214 | if (cfg->index == 0) |
| 215 | return -ENODEV; |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 216 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 217 | /* Does this card need audio output? */ |
| 218 | if (cfg->flags & CISTPL_CFTABLE_AUDIO) { |
| 219 | p_dev->conf.Attributes |= CONF_ENABLE_SPKR; |
| 220 | p_dev->conf.Status = CCSR_AUDIO_ENA; |
| 221 | } |
| 222 | |
| 223 | /* Use power settings for Vcc and Vpp if present */ |
| 224 | /* Note that the CIS values need to be rescaled */ |
| 225 | if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM)) |
| 226 | p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000; |
| 227 | else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM)) |
| 228 | p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000; |
| 229 | |
| 230 | /* Do we need to allocate an interrupt? */ |
| 231 | if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1) |
| 232 | p_dev->conf.Attributes |= CONF_ENABLE_IRQ; |
| 233 | |
| 234 | /* IO window settings */ |
| 235 | p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0; |
| 236 | if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) { |
| 237 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; |
| 238 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 239 | if (!(io->flags & CISTPL_IO_8BIT)) |
| 240 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16; |
| 241 | if (!(io->flags & CISTPL_IO_16BIT)) |
| 242 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; |
| 243 | p_dev->io.BasePort1 = io->win[0].base; |
| 244 | p_dev->io.NumPorts1 = io->win[0].len; |
| 245 | if (io->nwin > 1) { |
| 246 | p_dev->io.Attributes2 = p_dev->io.Attributes1; |
| 247 | p_dev->io.BasePort2 = io->win[1].base; |
| 248 | p_dev->io.NumPorts2 = io->win[1].len; |
| 249 | } |
| 250 | } |
| 251 | |
| 252 | /* This reserves IO space but doesn't actually enable it */ |
| 253 | return pcmcia_request_io(p_dev, &p_dev->io); |
| 254 | } |
| 255 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 256 | static int atmel_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 257 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | local_info_t *dev; |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 259 | int ret; |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 260 | struct pcmcia_device_id *did; |
| 261 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 262 | dev = link->priv; |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame^] | 263 | did = dev_get_drvdata(&link->dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 264 | |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 265 | dev_dbg(&link->dev, "atmel_config\n"); |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 266 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | In this loop, we scan the CIS for configuration table entries, |
| 269 | each of which describes a valid card configuration, including |
| 270 | voltage, IO window, memory window, and interrupt settings. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 271 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | We make no assumptions about the card to be configured: we use |
| 273 | just the information available in the CIS. In an ideal world, |
| 274 | this would work for any PCMCIA card, but it requires a complete |
| 275 | and accurate CIS. In practice, a driver usually "knows" most of |
| 276 | these things without consulting the CIS, and most client drivers |
| 277 | will only use the CIS to fill in implementation-defined details. |
| 278 | */ |
Dominik Brodowski | 8e2fc39 | 2008-08-02 15:30:31 +0200 | [diff] [blame] | 279 | if (pcmcia_loop_config(link, atmel_config_check, NULL)) |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 280 | goto failed; |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 281 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 282 | /* |
| 283 | Allocate an interrupt line. Note that this does not assign a |
| 284 | handler to the interrupt, unless the 'Handler' member of the |
| 285 | irq structure is initialized. |
| 286 | */ |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 287 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { |
| 288 | ret = pcmcia_request_irq(link, &link->irq); |
| 289 | if (ret) |
| 290 | goto failed; |
| 291 | } |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 292 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 293 | /* |
| 294 | This actually configures the PCMCIA socket -- setting up |
| 295 | the I/O windows and the interrupt mapping, and putting the |
| 296 | card and host interface into "Memory and IO" mode. |
| 297 | */ |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 298 | ret = pcmcia_request_configuration(link, &link->conf); |
| 299 | if (ret) |
| 300 | goto failed; |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 301 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | if (link->irq.AssignedIRQ == 0) { |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 303 | printk(KERN_ALERT |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 304 | "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config."); |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 305 | goto failed; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 306 | } |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 307 | |
| 308 | ((local_info_t*)link->priv)->eth_dev = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | init_atmel_card(link->irq.AssignedIRQ, |
| 310 | link->io.BasePort1, |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 311 | did ? did->driver_info : ATMEL_FW_TYPE_NONE, |
Dominik Brodowski | dd2e5a1 | 2009-11-03 10:27:34 +0100 | [diff] [blame^] | 312 | &link->dev, |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 313 | card_present, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | link); |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 315 | if (!((local_info_t*)link->priv)->eth_dev) |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 316 | goto failed; |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 317 | |
| 318 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | /* |
| 320 | At this point, the dev_node_t structure(s) need to be |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 321 | initialized and arranged in a linked list at link->dev_node. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 322 | */ |
| 323 | strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); |
| 324 | dev->node.major = dev->node.minor = 0; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 325 | link->dev_node = &dev->node; |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 326 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 327 | return 0; |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 328 | |
Dominik Brodowski | b54bf94 | 2008-08-02 14:28:43 +0200 | [diff] [blame] | 329 | failed: |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 330 | atmel_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 331 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | /*====================================================================== |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 335 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 336 | After a card is removed, atmel_release() will unregister the |
| 337 | device, and release the PCMCIA configuration. If the device is |
| 338 | still open, this will be postponed until it is closed. |
Dmitry Torokhov | 5c877fe | 2006-10-08 00:14:30 -0400 | [diff] [blame] | 339 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 340 | ======================================================================*/ |
| 341 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 342 | static void atmel_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | { |
| 344 | struct net_device *dev = ((local_info_t*)link->priv)->eth_dev; |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 345 | |
Dominik Brodowski | 2caff14 | 2009-10-24 15:53:36 +0200 | [diff] [blame] | 346 | dev_dbg(&link->dev, "atmel_release\n"); |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 347 | |
| 348 | if (dev) |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 349 | stop_atmel_card(dev); |
Dominik Brodowski | 5f2a71f | 2006-01-15 09:32:39 +0100 | [diff] [blame] | 350 | ((local_info_t*)link->priv)->eth_dev = NULL; |
| 351 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 352 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | } |
| 354 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 355 | static int atmel_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 356 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 357 | local_info_t *local = link->priv; |
| 358 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 359 | netif_device_detach(local->eth_dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 360 | |
| 361 | return 0; |
| 362 | } |
| 363 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 364 | static int atmel_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 365 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 366 | local_info_t *local = link->priv; |
| 367 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 368 | atmel_open(local->eth_dev); |
| 369 | netif_device_attach(local->eth_dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 370 | |
| 371 | return 0; |
| 372 | } |
| 373 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 374 | /*====================================================================*/ |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 375 | /* We use the driver_info field to store the correct firmware type for a card. */ |
| 376 | |
| 377 | #define PCMCIA_DEVICE_MANF_CARD_INFO(manf, card, info) { \ |
| 378 | .match_flags = PCMCIA_DEV_ID_MATCH_MANF_ID| \ |
| 379 | PCMCIA_DEV_ID_MATCH_CARD_ID, \ |
| 380 | .manf_id = (manf), \ |
| 381 | .card_id = (card), \ |
| 382 | .driver_info = (kernel_ulong_t)(info), } |
| 383 | |
| 384 | #define PCMCIA_DEVICE_PROD_ID12_INFO(v1, v2, vh1, vh2, info) { \ |
| 385 | .match_flags = PCMCIA_DEV_ID_MATCH_PROD_ID1| \ |
| 386 | PCMCIA_DEV_ID_MATCH_PROD_ID2, \ |
| 387 | .prod_id = { (v1), (v2), NULL, NULL }, \ |
| 388 | .prod_id_hash = { (vh1), (vh2), 0, 0 }, \ |
| 389 | .driver_info = (kernel_ulong_t)(info), } |
| 390 | |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 391 | static struct pcmcia_device_id atmel_ids[] = { |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 392 | PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0620, ATMEL_FW_TYPE_502_3COM), |
| 393 | PCMCIA_DEVICE_MANF_CARD_INFO(0x0101, 0x0696, ATMEL_FW_TYPE_502_3COM), |
| 394 | PCMCIA_DEVICE_MANF_CARD_INFO(0x01bf, 0x3302, ATMEL_FW_TYPE_502E), |
| 395 | PCMCIA_DEVICE_MANF_CARD_INFO(0xd601, 0x0007, ATMEL_FW_TYPE_502), |
| 396 | PCMCIA_DEVICE_PROD_ID12_INFO("11WAVE", "11WP611AL-E", 0x9eb2da1f, 0xc9a0d3f9, ATMEL_FW_TYPE_502E), |
| 397 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR", 0xabda4164, 0x41b37e1f, ATMEL_FW_TYPE_502), |
| 398 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_D", 0xabda4164, 0x3675d704, ATMEL_FW_TYPE_502D), |
| 399 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C502AR_E", 0xabda4164, 0x4172e792, ATMEL_FW_TYPE_502E), |
| 400 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504_R", 0xabda4164, 0x917f3d72, ATMEL_FW_TYPE_504_2958), |
| 401 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504", 0xabda4164, 0x5040670a, ATMEL_FW_TYPE_504), |
| 402 | PCMCIA_DEVICE_PROD_ID12_INFO("ATMEL", "AT76C504A", 0xabda4164, 0xe15ed87f, ATMEL_FW_TYPE_504A_2958), |
| 403 | PCMCIA_DEVICE_PROD_ID12_INFO("BT", "Voyager 1020 Laptop Adapter", 0xae49b86a, 0x1e957cd5, ATMEL_FW_TYPE_502), |
| 404 | PCMCIA_DEVICE_PROD_ID12_INFO("CNet", "CNWLC 11Mbps Wireless PC Card V-5", 0xbc477dde, 0x502fae6b, ATMEL_FW_TYPE_502E), |
| 405 | PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN PC Card", 0x5b878724, 0x122f1df6, ATMEL_FW_TYPE_502), |
| 406 | PCMCIA_DEVICE_PROD_ID12_INFO("IEEE 802.11b", "Wireless LAN Card S", 0x5b878724, 0x5fba533a, ATMEL_FW_TYPE_504_2958), |
| 407 | PCMCIA_DEVICE_PROD_ID12_INFO("OEM", "11Mbps Wireless LAN PC Card V-3", 0xfea54c90, 0x1c5b0f68, ATMEL_FW_TYPE_502), |
| 408 | PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W", 0xc4f8b18b, 0x30f38774, ATMEL_FW_TYPE_502D), |
| 409 | PCMCIA_DEVICE_PROD_ID12_INFO("SMC", "2632W-V2", 0xc4f8b18b, 0x172d1377, ATMEL_FW_TYPE_502), |
| 410 | PCMCIA_DEVICE_PROD_ID12_INFO("Wireless", "PC_CARD", 0xa407ecdd, 0x119f6314, ATMEL_FW_TYPE_502D), |
| 411 | PCMCIA_DEVICE_PROD_ID12_INFO("WLAN", "802.11b PC CARD", 0x575c516c, 0xb1f6dbc4, ATMEL_FW_TYPE_502D), |
| 412 | 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] | 413 | PCMCIA_DEVICE_NULL |
| 414 | }; |
simon@thekelleys.org.uk | b16a228 | 2005-10-30 15:50:15 +0000 | [diff] [blame] | 415 | |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 416 | MODULE_DEVICE_TABLE(pcmcia, atmel_ids); |
| 417 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | static struct pcmcia_driver atmel_driver = { |
Dominik Brodowski | 1e212f3 | 2005-07-07 17:59:00 -0700 | [diff] [blame] | 419 | .owner = THIS_MODULE, |
| 420 | .drv = { |
| 421 | .name = "atmel_cs", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 422 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 423 | .probe = atmel_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 424 | .remove = atmel_detach, |
Dominik Brodowski | 4a17a11 | 2005-06-27 16:28:34 -0700 | [diff] [blame] | 425 | .id_table = atmel_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 426 | .suspend = atmel_suspend, |
| 427 | .resume = atmel_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 428 | }; |
| 429 | |
| 430 | static int atmel_cs_init(void) |
| 431 | { |
| 432 | return pcmcia_register_driver(&atmel_driver); |
| 433 | } |
| 434 | |
| 435 | static void atmel_cs_cleanup(void) |
| 436 | { |
| 437 | pcmcia_unregister_driver(&atmel_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 438 | } |
| 439 | |
| 440 | /* |
| 441 | This program is free software; you can redistribute it and/or |
| 442 | modify it under the terms of the GNU General Public License |
| 443 | as published by the Free Software Foundation; either version 2 |
| 444 | of the License, or (at your option) any later version. |
| 445 | |
| 446 | This program is distributed in the hope that it will be useful, |
| 447 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 448 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 449 | GNU General Public License for more details. |
| 450 | |
| 451 | In addition: |
| 452 | |
| 453 | Redistribution and use in source and binary forms, with or without |
| 454 | modification, are permitted provided that the following conditions |
| 455 | are met: |
| 456 | |
| 457 | 1. Redistributions of source code must retain the above copyright |
| 458 | notice, this list of conditions and the following disclaimer. |
| 459 | 2. Redistributions in binary form must reproduce the above copyright |
| 460 | notice, this list of conditions and the following disclaimer in the |
| 461 | documentation and/or other materials provided with the distribution. |
| 462 | 3. The name of the author may not be used to endorse or promote |
| 463 | products derived from this software without specific prior written |
| 464 | permission. |
| 465 | |
| 466 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 467 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 468 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 469 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 470 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 471 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 472 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 473 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 474 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 475 | 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] | 476 | POSSIBILITY OF SUCH DAMAGE. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 477 | */ |
| 478 | |
| 479 | module_init(atmel_cs_init); |
| 480 | module_exit(atmel_cs_cleanup); |