David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 1 | /* |
| 2 | comedi/drivers/das08_cs.c |
| 3 | DAS08 driver |
| 4 | |
| 5 | COMEDI - Linux Control and Measurement Device Interface |
| 6 | Copyright (C) 2000 David A. Schleef <ds@schleef.org> |
| 7 | Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net> |
| 8 | |
| 9 | This program is free software; you can redistribute it and/or modify |
| 10 | it under the terms of the GNU General Public License as published by |
| 11 | the Free Software Foundation; either version 2 of the License, or |
| 12 | (at your option) any later version. |
| 13 | |
| 14 | This program is distributed in the hope that it will be useful, |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | GNU General Public License for more details. |
| 18 | |
| 19 | You should have received a copy of the GNU General Public License |
| 20 | along with this program; if not, write to the Free Software |
| 21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 22 | |
| 23 | ***************************************************************** |
| 24 | |
| 25 | */ |
| 26 | /* |
| 27 | Driver: das08_cs |
| 28 | Description: DAS-08 PCMCIA boards |
| 29 | Author: Warren Jasper, ds, Frank Hess |
| 30 | Devices: [ComputerBoards] PCM-DAS08 (pcm-das08) |
| 31 | Status: works |
| 32 | |
| 33 | This is the PCMCIA-specific support split off from the |
| 34 | das08 driver. |
| 35 | |
| 36 | Options (for pcm-das08): |
Andrea Gelmini | d539047 | 2010-02-26 10:15:05 +0100 | [diff] [blame] | 37 | NONE |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 38 | |
| 39 | Command support does not exist, but could be added for this board. |
| 40 | */ |
| 41 | |
| 42 | #include "../comedidev.h" |
| 43 | |
| 44 | #include <linux/delay.h> |
| 45 | #include <linux/pci.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame^] | 46 | #include <linux/slab.h> |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 47 | |
| 48 | #include "das08.h" |
| 49 | |
Bill Pemberton | 2696fb5 | 2009-03-27 11:29:34 -0400 | [diff] [blame] | 50 | /* pcmcia includes */ |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 51 | #include <pcmcia/cs_types.h> |
| 52 | #include <pcmcia/cs.h> |
| 53 | #include <pcmcia/cistpl.h> |
| 54 | #include <pcmcia/ds.h> |
| 55 | |
Andrea Gelmini | d539047 | 2010-02-26 10:15:05 +0100 | [diff] [blame] | 56 | static struct pcmcia_device *cur_dev; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 57 | |
| 58 | #define thisboard ((const struct das08_board_struct *)dev->board_ptr) |
| 59 | |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 60 | static int das08_cs_attach(struct comedi_device *dev, |
| 61 | struct comedi_devconfig *it); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 62 | |
Bill Pemberton | 139dfbd | 2009-03-16 22:05:25 -0400 | [diff] [blame] | 63 | static struct comedi_driver driver_das08_cs = { |
Bill Pemberton | 68c3dbf | 2009-04-22 21:11:49 -0400 | [diff] [blame] | 64 | .driver_name = "das08_cs", |
| 65 | .module = THIS_MODULE, |
| 66 | .attach = das08_cs_attach, |
| 67 | .detach = das08_common_detach, |
| 68 | .board_name = &das08_cs_boards[0].name, |
Stoyan Gaydarov | b6ac161 | 2009-07-21 22:02:27 -0500 | [diff] [blame] | 69 | .num_names = ARRAY_SIZE(das08_cs_boards), |
Bill Pemberton | 68c3dbf | 2009-04-22 21:11:49 -0400 | [diff] [blame] | 70 | .offset = sizeof(struct das08_board_struct), |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 71 | }; |
| 72 | |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 73 | static int das08_cs_attach(struct comedi_device *dev, |
| 74 | struct comedi_devconfig *it) |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 75 | { |
| 76 | int ret; |
| 77 | unsigned long iobase; |
Bill Pemberton | 2696fb5 | 2009-03-27 11:29:34 -0400 | [diff] [blame] | 78 | struct pcmcia_device *link = cur_dev; /* XXX hack */ |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 79 | |
Bill Pemberton | c374413 | 2009-04-22 21:11:47 -0400 | [diff] [blame] | 80 | ret = alloc_private(dev, sizeof(struct das08_private_struct)); |
| 81 | if (ret < 0) |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 82 | return ret; |
| 83 | |
| 84 | printk("comedi%d: das08_cs: ", dev->minor); |
Bill Pemberton | 2696fb5 | 2009-03-27 11:29:34 -0400 | [diff] [blame] | 85 | /* deal with a pci board */ |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 86 | |
| 87 | if (thisboard->bustype == pcmcia) { |
| 88 | if (link == NULL) { |
| 89 | printk(" no pcmcia cards found\n"); |
| 90 | return -EIO; |
| 91 | } |
| 92 | iobase = link->io.BasePort1; |
| 93 | } else { |
| 94 | printk(" bug! board does not have PCMCIA bustype\n"); |
| 95 | return -EINVAL; |
| 96 | } |
| 97 | |
| 98 | printk("\n"); |
| 99 | |
| 100 | return das08_common_attach(dev, iobase); |
| 101 | } |
| 102 | |
| 103 | /*====================================================================== |
| 104 | |
| 105 | The following pcmcia code for the pcm-das08 is adapted from the |
| 106 | dummy_cs.c driver of the Linux PCMCIA Card Services package. |
| 107 | |
| 108 | The initial developer of the original code is David A. Hinds |
| 109 | <dahinds@users.sourceforge.net>. Portions created by David A. Hinds |
| 110 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. |
| 111 | |
| 112 | ======================================================================*/ |
| 113 | |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 114 | static void das08_pcmcia_config(struct pcmcia_device *link); |
| 115 | static void das08_pcmcia_release(struct pcmcia_device *link); |
| 116 | static int das08_pcmcia_suspend(struct pcmcia_device *p_dev); |
| 117 | static int das08_pcmcia_resume(struct pcmcia_device *p_dev); |
| 118 | |
| 119 | /* |
| 120 | The attach() and detach() entry points are used to create and destroy |
| 121 | "instances" of the driver, where each instance represents everything |
| 122 | needed to manage one actual PCMCIA card. |
| 123 | */ |
| 124 | |
| 125 | static int das08_pcmcia_attach(struct pcmcia_device *); |
| 126 | static void das08_pcmcia_detach(struct pcmcia_device *); |
| 127 | |
| 128 | /* |
| 129 | You'll also need to prototype all the functions that will actually |
| 130 | be used to talk to your device. See 'memory_cs' for a good example |
| 131 | of a fully self-sufficient driver; the other drivers rely more or |
| 132 | less on other parts of the kernel. |
| 133 | */ |
| 134 | |
| 135 | /* |
| 136 | The dev_info variable is the "key" that is used to match up this |
| 137 | device driver with appropriate cards, through the card configuration |
| 138 | database. |
| 139 | */ |
| 140 | |
| 141 | static const dev_info_t dev_info = "pcm-das08"; |
| 142 | |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 143 | struct local_info_t { |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 144 | struct pcmcia_device *link; |
| 145 | dev_node_t node; |
| 146 | int stop; |
| 147 | struct bus_operations *bus; |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 148 | }; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 149 | |
| 150 | /*====================================================================== |
| 151 | |
| 152 | das08_pcmcia_attach() creates an "instance" of the driver, allocating |
| 153 | local data structures for one device. The device is registered |
| 154 | with Card Services. |
| 155 | |
| 156 | The dev_link structure is initialized, but we don't actually |
| 157 | configure the card at this point -- we wait until we receive a |
| 158 | card insertion event. |
| 159 | |
| 160 | ======================================================================*/ |
| 161 | |
| 162 | static int das08_pcmcia_attach(struct pcmcia_device *link) |
| 163 | { |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 164 | struct local_info_t *local; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 165 | |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 166 | dev_dbg(&link->dev, "das08_pcmcia_attach()\n"); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 167 | |
| 168 | /* Allocate space for private device-specific data */ |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 169 | local = kzalloc(sizeof(struct local_info_t), GFP_KERNEL); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 170 | if (!local) |
| 171 | return -ENOMEM; |
| 172 | local->link = link; |
| 173 | link->priv = local; |
| 174 | |
| 175 | /* Interrupt setup */ |
| 176 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 177 | link->irq.Handler = NULL; |
| 178 | |
| 179 | /* |
| 180 | General socket configuration defaults can go here. In this |
| 181 | client, we assume very little, and rely on the CIS for almost |
| 182 | everything. In most clients, many details (i.e., number, sizes, |
| 183 | and attributes of IO windows) are fixed by the nature of the |
| 184 | device, and can be hard-wired here. |
| 185 | */ |
| 186 | link->conf.Attributes = 0; |
| 187 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 188 | |
| 189 | cur_dev = link; |
| 190 | |
| 191 | das08_pcmcia_config(link); |
| 192 | |
| 193 | return 0; |
| 194 | } /* das08_pcmcia_attach */ |
| 195 | |
| 196 | /*====================================================================== |
| 197 | |
| 198 | This deletes a driver "instance". The device is de-registered |
| 199 | with Card Services. If it has been released, all local data |
| 200 | structures are freed. Otherwise, the structures will be freed |
| 201 | when the device is released. |
| 202 | |
| 203 | ======================================================================*/ |
| 204 | |
| 205 | static void das08_pcmcia_detach(struct pcmcia_device *link) |
| 206 | { |
| 207 | |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 208 | dev_dbg(&link->dev, "das08_pcmcia_detach\n"); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 209 | |
| 210 | if (link->dev_node) { |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 211 | ((struct local_info_t *)link->priv)->stop = 1; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 212 | das08_pcmcia_release(link); |
| 213 | } |
| 214 | |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 215 | /* This points to the parent struct local_info_t struct */ |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 216 | if (link->priv) |
| 217 | kfree(link->priv); |
| 218 | |
| 219 | } /* das08_pcmcia_detach */ |
| 220 | |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 221 | |
| 222 | static int das08_pcmcia_config_loop(struct pcmcia_device *p_dev, |
| 223 | cistpl_cftable_entry_t *cfg, |
| 224 | cistpl_cftable_entry_t *dflt, |
| 225 | unsigned int vcc, |
| 226 | void *priv_data) |
| 227 | { |
| 228 | if (cfg->index == 0) |
| 229 | return -ENODEV; |
| 230 | |
| 231 | /* Do we need to allocate an interrupt? */ |
| 232 | if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1) |
| 233 | p_dev->conf.Attributes |= CONF_ENABLE_IRQ; |
| 234 | |
| 235 | /* IO window settings */ |
| 236 | p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0; |
| 237 | if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) { |
| 238 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io; |
| 239 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 240 | if (!(io->flags & CISTPL_IO_8BIT)) |
| 241 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16; |
| 242 | if (!(io->flags & CISTPL_IO_16BIT)) |
| 243 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8; |
| 244 | p_dev->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; |
| 245 | p_dev->io.BasePort1 = io->win[0].base; |
| 246 | p_dev->io.NumPorts1 = io->win[0].len; |
| 247 | if (io->nwin > 1) { |
| 248 | p_dev->io.Attributes2 = p_dev->io.Attributes1; |
| 249 | p_dev->io.BasePort2 = io->win[1].base; |
| 250 | p_dev->io.NumPorts2 = io->win[1].len; |
| 251 | } |
| 252 | /* This reserves IO space but doesn't actually enable it */ |
| 253 | return pcmcia_request_io(p_dev, &p_dev->io); |
| 254 | } |
| 255 | return 0; |
| 256 | } |
| 257 | |
| 258 | |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 259 | /*====================================================================== |
| 260 | |
| 261 | das08_pcmcia_config() is scheduled to run after a CARD_INSERTION event |
| 262 | is received, to configure the PCMCIA socket, and to make the |
| 263 | device available to the system. |
| 264 | |
| 265 | ======================================================================*/ |
| 266 | |
| 267 | static void das08_pcmcia_config(struct pcmcia_device *link) |
| 268 | { |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 269 | struct local_info_t *dev = link->priv; |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 270 | int ret; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 271 | |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 272 | dev_dbg(&link->dev, "das08_pcmcia_config\n"); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 273 | |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 274 | ret = pcmcia_loop_config(link, das08_pcmcia_config_loop, NULL); |
| 275 | if (ret) { |
| 276 | dev_warn(&link->dev, "no configuration found\n"); |
| 277 | goto failed; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 278 | } |
| 279 | |
| 280 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 281 | ret = pcmcia_request_irq(link, &link->irq); |
| 282 | if (ret) |
| 283 | goto failed; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 284 | } |
| 285 | |
| 286 | /* |
| 287 | This actually configures the PCMCIA socket -- setting up |
| 288 | the I/O windows and the interrupt mapping, and putting the |
| 289 | card and host interface into "Memory and IO" mode. |
| 290 | */ |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 291 | ret = pcmcia_request_configuration(link, &link->conf); |
| 292 | if (ret) |
| 293 | goto failed; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 294 | |
| 295 | /* |
| 296 | At this point, the dev_node_t structure(s) need to be |
| 297 | initialized and arranged in a linked list at link->dev. |
| 298 | */ |
| 299 | sprintf(dev->node.dev_name, "pcm-das08"); |
| 300 | dev->node.major = dev->node.minor = 0; |
| 301 | link->dev_node = &dev->node; |
| 302 | |
| 303 | /* Finally, report what we've done */ |
| 304 | printk(KERN_INFO "%s: index 0x%02x", |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 305 | dev->node.dev_name, link->conf.ConfigIndex); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 306 | if (link->conf.Attributes & CONF_ENABLE_IRQ) |
| 307 | printk(", irq %u", link->irq.AssignedIRQ); |
| 308 | if (link->io.NumPorts1) |
| 309 | printk(", io 0x%04x-0x%04x", link->io.BasePort1, |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 310 | link->io.BasePort1 + link->io.NumPorts1 - 1); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 311 | if (link->io.NumPorts2) |
| 312 | printk(" & 0x%04x-0x%04x", link->io.BasePort2, |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 313 | link->io.BasePort2 + link->io.NumPorts2 - 1); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 314 | printk("\n"); |
| 315 | |
| 316 | return; |
| 317 | |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 318 | failed: |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 319 | das08_pcmcia_release(link); |
| 320 | |
| 321 | } /* das08_pcmcia_config */ |
| 322 | |
| 323 | /*====================================================================== |
| 324 | |
| 325 | After a card is removed, das08_pcmcia_release() will unregister the |
| 326 | device, and release the PCMCIA configuration. If the device is |
| 327 | still open, this will be postponed until it is closed. |
| 328 | |
| 329 | ======================================================================*/ |
| 330 | |
| 331 | static void das08_pcmcia_release(struct pcmcia_device *link) |
| 332 | { |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 333 | dev_dbg(&link->dev, "das08_pcmcia_release\n"); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 334 | pcmcia_disable_device(link); |
| 335 | } /* das08_pcmcia_release */ |
| 336 | |
| 337 | /*====================================================================== |
| 338 | |
| 339 | The card status event handler. Mostly, this schedules other |
| 340 | stuff to run after an event is received. |
| 341 | |
| 342 | When a CARD_REMOVAL event is received, we immediately set a |
| 343 | private flag to block future accesses to this device. All the |
| 344 | functions that actually access the device should check this flag |
| 345 | to make sure the card is still present. |
| 346 | |
| 347 | ======================================================================*/ |
| 348 | |
| 349 | static int das08_pcmcia_suspend(struct pcmcia_device *link) |
| 350 | { |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 351 | struct local_info_t *local = link->priv; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 352 | /* Mark the device as stopped, to block IO until later */ |
| 353 | local->stop = 1; |
| 354 | |
| 355 | return 0; |
| 356 | } /* das08_pcmcia_suspend */ |
| 357 | |
| 358 | static int das08_pcmcia_resume(struct pcmcia_device *link) |
| 359 | { |
Bill Pemberton | d896146 | 2009-03-16 22:12:16 -0400 | [diff] [blame] | 360 | struct local_info_t *local = link->priv; |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 361 | |
| 362 | local->stop = 0; |
| 363 | return 0; |
| 364 | } /* das08_pcmcia_resume */ |
| 365 | |
| 366 | /*====================================================================*/ |
| 367 | |
| 368 | static struct pcmcia_device_id das08_cs_id_table[] = { |
| 369 | PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x4001), |
| 370 | PCMCIA_DEVICE_NULL |
| 371 | }; |
| 372 | |
| 373 | MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table); |
| 374 | |
| 375 | struct pcmcia_driver das08_cs_driver = { |
| 376 | .probe = das08_pcmcia_attach, |
| 377 | .remove = das08_pcmcia_detach, |
| 378 | .suspend = das08_pcmcia_suspend, |
| 379 | .resume = das08_pcmcia_resume, |
| 380 | .id_table = das08_cs_id_table, |
| 381 | .owner = THIS_MODULE, |
| 382 | .drv = { |
Mithlesh Thukral | 0a85b6f | 2009-06-08 21:04:41 +0530 | [diff] [blame] | 383 | .name = dev_info, |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 384 | }, |
| 385 | }; |
| 386 | |
| 387 | static int __init init_das08_pcmcia_cs(void) |
| 388 | { |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 389 | pcmcia_register_driver(&das08_cs_driver); |
| 390 | return 0; |
| 391 | } |
| 392 | |
| 393 | static void __exit exit_das08_pcmcia_cs(void) |
| 394 | { |
Dominik Brodowski | 55a19b3 | 2009-10-29 00:54:49 +0100 | [diff] [blame] | 395 | pr_debug("das08_pcmcia_cs: unloading\n"); |
David Schleef | 0882eaa | 2009-02-12 16:09:00 -0800 | [diff] [blame] | 396 | pcmcia_unregister_driver(&das08_cs_driver); |
| 397 | } |
| 398 | |
| 399 | static int __init das08_cs_init_module(void) |
| 400 | { |
| 401 | int ret; |
| 402 | |
| 403 | ret = init_das08_pcmcia_cs(); |
| 404 | if (ret < 0) |
| 405 | return ret; |
| 406 | |
| 407 | return comedi_driver_register(&driver_das08_cs); |
| 408 | } |
| 409 | |
| 410 | static void __exit das08_cs_exit_module(void) |
| 411 | { |
| 412 | exit_das08_pcmcia_cs(); |
| 413 | comedi_driver_unregister(&driver_das08_cs); |
| 414 | } |
| 415 | |
| 416 | MODULE_LICENSE("GPL"); |
| 417 | module_init(das08_cs_init_module); |
| 418 | module_exit(das08_cs_exit_module); |