Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /*====================================================================== |
| 2 | |
| 3 | Aironet driver for 4500 and 4800 series cards |
| 4 | |
| 5 | This code is released under both the GPL version 2 and BSD licenses. |
| 6 | Either license may be used. The respective licenses are found at |
| 7 | the end of this file. |
| 8 | |
| 9 | This code was developed by Benjamin Reed <breed@users.sourceforge.net> |
| 10 | including portions of which come from the Aironet PC4500 |
| 11 | Developer's Reference Manual and used with permission. Copyright |
| 12 | (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use |
| 13 | code in the Developer's manual was granted for this driver by |
| 14 | Aironet. |
| 15 | |
| 16 | In addition this module was derived from dummy_cs. |
| 17 | The initial developer of dummy_cs is David A. Hinds |
| 18 | <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
| 19 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
| 20 | |
| 21 | ======================================================================*/ |
| 22 | |
| 23 | #include <linux/config.h> |
| 24 | #ifdef __IN_PCMCIA_PACKAGE__ |
| 25 | #include <pcmcia/k_compat.h> |
| 26 | #endif |
| 27 | #include <linux/init.h> |
| 28 | #include <linux/kernel.h> |
| 29 | #include <linux/module.h> |
| 30 | #include <linux/ptrace.h> |
| 31 | #include <linux/slab.h> |
| 32 | #include <linux/string.h> |
| 33 | #include <linux/timer.h> |
| 34 | #include <linux/netdevice.h> |
| 35 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 36 | #include <pcmcia/cs_types.h> |
| 37 | #include <pcmcia/cs.h> |
| 38 | #include <pcmcia/cistpl.h> |
| 39 | #include <pcmcia/cisreg.h> |
| 40 | #include <pcmcia/ds.h> |
| 41 | |
| 42 | #include <asm/io.h> |
| 43 | #include <asm/system.h> |
| 44 | |
Adrian Bunk | d380876 | 2005-11-05 17:42:27 +0100 | [diff] [blame] | 45 | #include "airo.h" |
| 46 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | /* |
| 48 | All the PCMCIA modules use PCMCIA_DEBUG to control debugging. If |
| 49 | you do not define PCMCIA_DEBUG at all, all the debug code will be |
| 50 | left out. If you compile with PCMCIA_DEBUG=0, the debug code will |
| 51 | be present but disabled -- but it can then be enabled for specific |
| 52 | modules at load time with a 'pc_debug=#' option to insmod. |
| 53 | */ |
| 54 | #ifdef PCMCIA_DEBUG |
| 55 | static int pc_debug = PCMCIA_DEBUG; |
| 56 | module_param(pc_debug, int, 0); |
| 57 | static char *version = "$Revision: 1.2 $"; |
| 58 | #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args); |
| 59 | #else |
| 60 | #define DEBUG(n, args...) |
| 61 | #endif |
| 62 | |
| 63 | /*====================================================================*/ |
| 64 | |
| 65 | MODULE_AUTHOR("Benjamin Reed"); |
| 66 | MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet \ |
| 67 | cards. This is the module that links the PCMCIA card \ |
| 68 | with the airo module."); |
| 69 | MODULE_LICENSE("Dual BSD/GPL"); |
| 70 | MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340 PCMCIA cards"); |
| 71 | |
| 72 | /*====================================================================*/ |
| 73 | |
| 74 | /* |
| 75 | The event() function is this driver's Card Services event handler. |
| 76 | It will be called by Card Services when an appropriate card status |
| 77 | event is received. The config() and release() entry points are |
| 78 | used to configure or release a socket, in response to card |
| 79 | insertion and ejection events. They are invoked from the airo_cs |
| 80 | event handler. |
| 81 | */ |
| 82 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 83 | static int airo_config(struct pcmcia_device *link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 84 | static void airo_release(struct pcmcia_device *link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | |
| 86 | /* |
| 87 | The attach() and detach() entry points are used to create and destroy |
| 88 | "instances" of the driver, where each instance represents everything |
| 89 | needed to manage one actual PCMCIA card. |
| 90 | */ |
| 91 | |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 92 | static void airo_detach(struct pcmcia_device *p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | |
| 94 | /* |
| 95 | You'll also need to prototype all the functions that will actually |
| 96 | be used to talk to your device. See 'pcmem_cs' for a good example |
| 97 | of a fully self-sufficient driver; the other drivers rely more or |
| 98 | less on other parts of the kernel. |
| 99 | */ |
| 100 | |
| 101 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | A linked list of "instances" of the aironet device. Each actual |
| 103 | PCMCIA card corresponds to one device instance, and is described |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 104 | by one struct pcmcia_device structure (defined in ds.h). |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 105 | |
| 106 | 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] | 107 | 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] | 108 | device numbers are used to derive the corresponding array index. |
| 109 | */ |
| 110 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | /* |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 112 | A driver needs to provide a dev_node_t structure for each device |
| 113 | on a card. In some cases, there is only one device per card (for |
| 114 | example, ethernet cards, modems). In other cases, there may be |
| 115 | many actual or logical devices (SCSI adapters, memory cards with |
| 116 | multiple partitions). The dev_node_t structures need to be kept |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 117 | 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] | 118 | structure. We allocate them in the card's private data structure, |
| 119 | because they generally shouldn't be allocated dynamically. |
| 120 | |
| 121 | In this case, we also provide a flag to indicate if a device is |
| 122 | "stopped" due to a power management event, or card ejection. The |
| 123 | device IO routines can use a flag like this to throttle IO to a |
| 124 | card that is not ready to accept it. |
| 125 | */ |
| 126 | |
| 127 | typedef struct local_info_t { |
| 128 | dev_node_t node; |
| 129 | struct net_device *eth_dev; |
| 130 | } local_info_t; |
| 131 | |
| 132 | /*====================================================================== |
| 133 | |
| 134 | airo_attach() creates an "instance" of the driver, allocating |
| 135 | local data structures for one device. The device is registered |
| 136 | with Card Services. |
| 137 | |
| 138 | The dev_link structure is initialized, but we don't actually |
| 139 | configure the card at this point -- we wait until we receive a |
| 140 | card insertion event. |
| 141 | |
| 142 | ======================================================================*/ |
| 143 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 144 | static int airo_probe(struct pcmcia_device *p_dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 146 | local_info_t *local; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 147 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 148 | DEBUG(0, "airo_attach()\n"); |
| 149 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 150 | /* Interrupt setup */ |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 151 | p_dev->irq.Attributes = IRQ_TYPE_EXCLUSIVE; |
| 152 | p_dev->irq.IRQInfo1 = IRQ_LEVEL_ID; |
| 153 | p_dev->irq.Handler = NULL; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | |
| 155 | /* |
| 156 | General socket configuration defaults can go here. In this |
| 157 | client, we assume very little, and rely on the CIS for almost |
| 158 | everything. In most clients, many details (i.e., number, sizes, |
| 159 | and attributes of IO windows) are fixed by the nature of the |
| 160 | device, and can be hard-wired here. |
| 161 | */ |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 162 | p_dev->conf.Attributes = 0; |
| 163 | p_dev->conf.IntType = INT_MEMORY_AND_IO; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | |
| 165 | /* Allocate space for private device-specific data */ |
Panagiotis Issaris | b69a3aa | 2005-11-08 00:03:15 +0100 | [diff] [blame] | 166 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 167 | if (!local) { |
| 168 | printk(KERN_ERR "airo_cs: no memory for new device\n"); |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 169 | return -ENOMEM; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 170 | } |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 171 | p_dev->priv = local; |
Dominik Brodowski | f8cfa61 | 2005-11-14 21:25:51 +0100 | [diff] [blame] | 172 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 173 | return airo_config(p_dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | } /* airo_attach */ |
| 175 | |
| 176 | /*====================================================================== |
| 177 | |
| 178 | This deletes a driver "instance". The device is de-registered |
| 179 | with Card Services. If it has been released, all local data |
| 180 | structures are freed. Otherwise, the structures will be freed |
| 181 | when the device is released. |
| 182 | |
| 183 | ======================================================================*/ |
| 184 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 185 | static void airo_detach(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 187 | DEBUG(0, "airo_detach(0x%p)\n", link); |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 188 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 189 | airo_release(link); |
Dominik Brodowski | b463581 | 2005-11-14 21:25:35 +0100 | [diff] [blame] | 190 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | if ( ((local_info_t*)link->priv)->eth_dev ) { |
| 192 | stop_airo_card( ((local_info_t*)link->priv)->eth_dev, 0 ); |
| 193 | } |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 194 | ((local_info_t*)link->priv)->eth_dev = NULL; |
| 195 | |
Jesper Juhl | b4558ea | 2005-10-28 16:53:13 -0400 | [diff] [blame] | 196 | kfree(link->priv); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | } /* airo_detach */ |
| 198 | |
| 199 | /*====================================================================== |
| 200 | |
| 201 | airo_config() is scheduled to run after a CARD_INSERTION event |
| 202 | is received, to configure the PCMCIA socket, and to make the |
| 203 | device available to the system. |
| 204 | |
| 205 | ======================================================================*/ |
| 206 | |
| 207 | #define CS_CHECK(fn, ret) \ |
| 208 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) |
| 209 | |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 210 | static int airo_config(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | tuple_t tuple; |
| 213 | cisparse_t parse; |
| 214 | local_info_t *dev; |
| 215 | int last_fn, last_ret; |
| 216 | u_char buf[64]; |
| 217 | win_req_t req; |
| 218 | memreq_t map; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 219 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | dev = link->priv; |
| 221 | |
| 222 | DEBUG(0, "airo_config(0x%p)\n", link); |
| 223 | |
| 224 | /* |
| 225 | This reads the card's CONFIG tuple to find its configuration |
| 226 | registers. |
| 227 | */ |
| 228 | tuple.DesiredTuple = CISTPL_CONFIG; |
| 229 | tuple.Attributes = 0; |
| 230 | tuple.TupleData = buf; |
| 231 | tuple.TupleDataMax = sizeof(buf); |
| 232 | tuple.TupleOffset = 0; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 233 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
| 234 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); |
| 235 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | link->conf.ConfigBase = parse.config.base; |
| 237 | link->conf.Present = parse.config.rmask[0]; |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 238 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | /* |
| 240 | In this loop, we scan the CIS for configuration table entries, |
| 241 | each of which describes a valid card configuration, including |
| 242 | voltage, IO window, memory window, and interrupt settings. |
| 243 | |
| 244 | We make no assumptions about the card to be configured: we use |
| 245 | just the information available in the CIS. In an ideal world, |
| 246 | this would work for any PCMCIA card, but it requires a complete |
| 247 | and accurate CIS. In practice, a driver usually "knows" most of |
| 248 | these things without consulting the CIS, and most client drivers |
| 249 | will only use the CIS to fill in implementation-defined details. |
| 250 | */ |
| 251 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 252 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | while (1) { |
| 254 | cistpl_cftable_entry_t dflt = { 0 }; |
| 255 | cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 256 | if (pcmcia_get_tuple_data(link, &tuple) != 0 || |
| 257 | pcmcia_parse_tuple(link, &tuple, &parse) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 258 | goto next_entry; |
| 259 | |
| 260 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg; |
| 261 | if (cfg->index == 0) goto next_entry; |
| 262 | link->conf.ConfigIndex = cfg->index; |
| 263 | |
| 264 | /* Does this card need audio output? */ |
| 265 | if (cfg->flags & CISTPL_CFTABLE_AUDIO) { |
| 266 | link->conf.Attributes |= CONF_ENABLE_SPKR; |
| 267 | link->conf.Status = CCSR_AUDIO_ENA; |
| 268 | } |
| 269 | |
| 270 | /* Use power settings for Vcc and Vpp if present */ |
| 271 | /* Note that the CIS values need to be rescaled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 272 | if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM)) |
Dominik Brodowski | 70294b4 | 2006-01-15 12:43:16 +0100 | [diff] [blame] | 273 | link->conf.Vpp = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 274 | cfg->vpp1.param[CISTPL_POWER_VNOM]/10000; |
| 275 | else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM)) |
Dominik Brodowski | 70294b4 | 2006-01-15 12:43:16 +0100 | [diff] [blame] | 276 | link->conf.Vpp = |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | dflt.vpp1.param[CISTPL_POWER_VNOM]/10000; |
| 278 | |
| 279 | /* Do we need to allocate an interrupt? */ |
| 280 | if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) |
| 281 | link->conf.Attributes |= CONF_ENABLE_IRQ; |
| 282 | |
| 283 | /* IO window settings */ |
| 284 | link->io.NumPorts1 = link->io.NumPorts2 = 0; |
| 285 | if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { |
| 286 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; |
| 287 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 288 | if (!(io->flags & CISTPL_IO_8BIT)) |
| 289 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; |
| 290 | if (!(io->flags & CISTPL_IO_16BIT)) |
| 291 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; |
| 292 | link->io.BasePort1 = io->win[0].base; |
| 293 | link->io.NumPorts1 = io->win[0].len; |
| 294 | if (io->nwin > 1) { |
| 295 | link->io.Attributes2 = link->io.Attributes1; |
| 296 | link->io.BasePort2 = io->win[1].base; |
| 297 | link->io.NumPorts2 = io->win[1].len; |
| 298 | } |
| 299 | } |
| 300 | |
| 301 | /* This reserves IO space but doesn't actually enable it */ |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 302 | if (pcmcia_request_io(link, &link->io) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | goto next_entry; |
| 304 | |
| 305 | /* |
| 306 | Now set up a common memory window, if needed. There is room |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 307 | in the struct pcmcia_device structure for one memory window handle, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 308 | but if the base addresses need to be saved, or if multiple |
| 309 | windows are needed, the info should go in the private data |
| 310 | structure for this device. |
| 311 | |
| 312 | Note that the memory window base is a physical address, and |
| 313 | needs to be mapped to virtual space with ioremap() before it |
| 314 | is used. |
| 315 | */ |
| 316 | if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { |
| 317 | cistpl_mem_t *mem = |
| 318 | (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; |
| 319 | req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; |
| 320 | req.Base = mem->win[0].host_addr; |
| 321 | req.Size = mem->win[0].len; |
| 322 | req.AccessSpeed = 0; |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 323 | if (pcmcia_request_window(&link, &req, &link->win) != 0) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 324 | goto next_entry; |
| 325 | map.Page = 0; map.CardOffset = mem->win[0].card_addr; |
| 326 | if (pcmcia_map_mem_page(link->win, &map) != 0) |
| 327 | goto next_entry; |
| 328 | } |
| 329 | /* If we got this far, we're cool! */ |
| 330 | break; |
| 331 | |
| 332 | next_entry: |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 333 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 334 | } |
| 335 | |
| 336 | /* |
| 337 | Allocate an interrupt line. Note that this does not assign a |
| 338 | handler to the interrupt, unless the 'Handler' member of the |
| 339 | irq structure is initialized. |
| 340 | */ |
| 341 | if (link->conf.Attributes & CONF_ENABLE_IRQ) |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 342 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | |
| 344 | /* |
| 345 | This actually configures the PCMCIA socket -- setting up |
| 346 | the I/O windows and the interrupt mapping, and putting the |
| 347 | card and host interface into "Memory and IO" mode. |
| 348 | */ |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 349 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | ((local_info_t*)link->priv)->eth_dev = |
| 351 | init_airo_card( link->irq.AssignedIRQ, |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 352 | link->io.BasePort1, 1, &handle_to_dev(link) ); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | if (!((local_info_t*)link->priv)->eth_dev) goto cs_failed; |
| 354 | |
| 355 | /* |
| 356 | At this point, the dev_node_t structure(s) need to be |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 357 | initialized and arranged in a linked list at link->dev_node. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 358 | */ |
| 359 | strcpy(dev->node.dev_name, ((local_info_t*)link->priv)->eth_dev->name ); |
| 360 | dev->node.major = dev->node.minor = 0; |
Dominik Brodowski | fd23823 | 2006-03-05 10:45:09 +0100 | [diff] [blame] | 361 | link->dev_node = &dev->node; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 362 | |
| 363 | /* Finally, report what we've done */ |
Dominik Brodowski | 70294b4 | 2006-01-15 12:43:16 +0100 | [diff] [blame] | 364 | printk(KERN_INFO "%s: index 0x%02x: ", |
| 365 | dev->node.dev_name, link->conf.ConfigIndex); |
| 366 | if (link->conf.Vpp) |
| 367 | printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 368 | if (link->conf.Attributes & CONF_ENABLE_IRQ) |
| 369 | printk(", irq %d", link->irq.AssignedIRQ); |
| 370 | if (link->io.NumPorts1) |
| 371 | printk(", io 0x%04x-0x%04x", link->io.BasePort1, |
| 372 | link->io.BasePort1+link->io.NumPorts1-1); |
| 373 | if (link->io.NumPorts2) |
| 374 | printk(" & 0x%04x-0x%04x", link->io.BasePort2, |
| 375 | link->io.BasePort2+link->io.NumPorts2-1); |
| 376 | if (link->win) |
| 377 | printk(", mem 0x%06lx-0x%06lx", req.Base, |
| 378 | req.Base+req.Size-1); |
| 379 | printk("\n"); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 380 | return 0; |
| 381 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | cs_failed: |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 383 | cs_error(link, last_fn, last_ret); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | airo_release(link); |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 385 | return -ENODEV; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 386 | } /* airo_config */ |
| 387 | |
| 388 | /*====================================================================== |
| 389 | |
| 390 | After a card is removed, airo_release() will unregister the |
| 391 | device, and release the PCMCIA configuration. If the device is |
| 392 | still open, this will be postponed until it is closed. |
| 393 | |
| 394 | ======================================================================*/ |
| 395 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 396 | static void airo_release(struct pcmcia_device *link) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 397 | { |
| 398 | DEBUG(0, "airo_release(0x%p)\n", link); |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 399 | pcmcia_disable_device(link); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 400 | } |
| 401 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 402 | static int airo_suspend(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 403 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 404 | local_info_t *local = link->priv; |
| 405 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 406 | netif_device_detach(local->eth_dev); |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 407 | |
| 408 | return 0; |
| 409 | } |
| 410 | |
Dominik Brodowski | fba395e | 2006-03-31 17:21:06 +0200 | [diff] [blame] | 411 | static int airo_resume(struct pcmcia_device *link) |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 412 | { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 413 | local_info_t *local = link->priv; |
| 414 | |
Dominik Brodowski | e2d4096 | 2006-03-02 00:09:29 +0100 | [diff] [blame] | 415 | if (link->open) { |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 416 | reset_airo_card(local->eth_dev); |
| 417 | netif_device_attach(local->eth_dev); |
| 418 | } |
| 419 | |
| 420 | return 0; |
| 421 | } |
| 422 | |
Dominik Brodowski | 7018d06 | 2005-06-27 16:28:20 -0700 | [diff] [blame] | 423 | static struct pcmcia_device_id airo_ids[] = { |
| 424 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x000a), |
| 425 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0005), |
| 426 | PCMCIA_DEVICE_MANF_CARD(0x015f, 0x0007), |
| 427 | PCMCIA_DEVICE_MANF_CARD(0x0105, 0x0007), |
| 428 | PCMCIA_DEVICE_NULL, |
| 429 | }; |
| 430 | MODULE_DEVICE_TABLE(pcmcia, airo_ids); |
| 431 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 432 | static struct pcmcia_driver airo_driver = { |
| 433 | .owner = THIS_MODULE, |
| 434 | .drv = { |
| 435 | .name = "airo_cs", |
| 436 | }, |
Dominik Brodowski | 15b99ac | 2006-03-31 17:26:06 +0200 | [diff] [blame] | 437 | .probe = airo_probe, |
Dominik Brodowski | cc3b486 | 2005-11-14 21:23:14 +0100 | [diff] [blame] | 438 | .remove = airo_detach, |
Dominik Brodowski | 7018d06 | 2005-06-27 16:28:20 -0700 | [diff] [blame] | 439 | .id_table = airo_ids, |
Dominik Brodowski | 98e4c28 | 2005-11-14 21:21:18 +0100 | [diff] [blame] | 440 | .suspend = airo_suspend, |
| 441 | .resume = airo_resume, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 442 | }; |
| 443 | |
| 444 | static int airo_cs_init(void) |
| 445 | { |
| 446 | return pcmcia_register_driver(&airo_driver); |
| 447 | } |
| 448 | |
| 449 | static void airo_cs_cleanup(void) |
| 450 | { |
| 451 | pcmcia_unregister_driver(&airo_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | /* |
| 455 | This program is free software; you can redistribute it and/or |
| 456 | modify it under the terms of the GNU General Public License |
| 457 | as published by the Free Software Foundation; either version 2 |
| 458 | of the License, or (at your option) any later version. |
| 459 | |
| 460 | This program is distributed in the hope that it will be useful, |
| 461 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 462 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 463 | GNU General Public License for more details. |
| 464 | |
| 465 | In addition: |
| 466 | |
| 467 | Redistribution and use in source and binary forms, with or without |
| 468 | modification, are permitted provided that the following conditions |
| 469 | are met: |
| 470 | |
| 471 | 1. Redistributions of source code must retain the above copyright |
| 472 | notice, this list of conditions and the following disclaimer. |
| 473 | 2. Redistributions in binary form must reproduce the above copyright |
| 474 | notice, this list of conditions and the following disclaimer in the |
| 475 | documentation and/or other materials provided with the distribution. |
| 476 | 3. The name of the author may not be used to endorse or promote |
| 477 | products derived from this software without specific prior written |
| 478 | permission. |
| 479 | |
| 480 | THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 481 | IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 482 | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 483 | ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, |
| 484 | INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 485 | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| 486 | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 487 | HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| 488 | STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| 489 | IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 490 | POSSIBILITY OF SUCH DAMAGE. |
| 491 | */ |
| 492 | |
| 493 | module_init(airo_cs_init); |
| 494 | module_exit(airo_cs_cleanup); |