David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 1 | /* |
| 2 | * IPWireless 3G PCMCIA Network Driver |
| 3 | * |
| 4 | * Original code |
| 5 | * by Stephen Blackheath <stephen@blacksapphire.com>, |
| 6 | * Ben Martel <benm@symmetric.co.nz> |
| 7 | * |
| 8 | * Copyrighted as follows: |
| 9 | * Copyright (C) 2004 by Symmetric Systems Ltd (NZ) |
| 10 | * |
| 11 | * Various driver changes and rewrites, port to new kernels |
| 12 | * Copyright (C) 2006-2007 Jiri Kosina |
| 13 | * |
| 14 | * Misc code cleanups and updates |
| 15 | * Copyright (C) 2007 David Sterba |
| 16 | */ |
| 17 | |
| 18 | #include "hardware.h" |
| 19 | #include "network.h" |
| 20 | #include "main.h" |
| 21 | #include "tty.h" |
| 22 | |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/init.h> |
| 25 | #include <linux/io.h> |
| 26 | #include <linux/kernel.h> |
| 27 | #include <linux/module.h> |
| 28 | #include <linux/sched.h> |
| 29 | #include <linux/slab.h> |
| 30 | |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 31 | #include <pcmcia/cisreg.h> |
| 32 | #include <pcmcia/device_id.h> |
| 33 | #include <pcmcia/ss.h> |
| 34 | #include <pcmcia/ds.h> |
| 35 | #include <pcmcia/cs.h> |
| 36 | |
| 37 | static struct pcmcia_device_id ipw_ids[] = { |
| 38 | PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0100), |
| 39 | PCMCIA_DEVICE_MANF_CARD(0x02f2, 0x0200), |
| 40 | PCMCIA_DEVICE_NULL |
| 41 | }; |
| 42 | MODULE_DEVICE_TABLE(pcmcia, ipw_ids); |
| 43 | |
| 44 | static void ipwireless_detach(struct pcmcia_device *link); |
| 45 | |
| 46 | /* |
| 47 | * Module params |
| 48 | */ |
| 49 | /* Debug mode: more verbose, print sent/recv bytes */ |
| 50 | int ipwireless_debug; |
| 51 | int ipwireless_loopback; |
David Sterba | bee9c7c | 2008-07-28 16:53:21 +0200 | [diff] [blame] | 52 | int ipwireless_out_queue = 10; |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 53 | |
| 54 | module_param_named(debug, ipwireless_debug, int, 0); |
| 55 | module_param_named(loopback, ipwireless_loopback, int, 0); |
| 56 | module_param_named(out_queue, ipwireless_out_queue, int, 0); |
| 57 | MODULE_PARM_DESC(debug, "switch on debug messages [0]"); |
| 58 | MODULE_PARM_DESC(loopback, |
| 59 | "debug: enable ras_raw channel [0]"); |
David Sterba | bee9c7c | 2008-07-28 16:53:21 +0200 | [diff] [blame] | 60 | MODULE_PARM_DESC(out_queue, "debug: set size of outgoing PPP queue [10]"); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 61 | |
| 62 | /* Executes in process context. */ |
| 63 | static void signalled_reboot_work(struct work_struct *work_reboot) |
| 64 | { |
| 65 | struct ipw_dev *ipw = container_of(work_reboot, struct ipw_dev, |
| 66 | work_reboot); |
| 67 | struct pcmcia_device *link = ipw->link; |
Dominik Brodowski | 994917f | 2008-08-31 15:20:26 +0200 | [diff] [blame] | 68 | int ret = pcmcia_reset_card(link->socket); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 69 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 70 | if (ret != 0) |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 71 | cs_error(link, ResetCard, ret); |
| 72 | } |
| 73 | |
| 74 | static void signalled_reboot_callback(void *callback_data) |
| 75 | { |
| 76 | struct ipw_dev *ipw = (struct ipw_dev *) callback_data; |
| 77 | |
| 78 | /* Delegate to process context. */ |
| 79 | schedule_work(&ipw->work_reboot); |
| 80 | } |
| 81 | |
Dominik Brodowski | aaa8cfd | 2009-10-18 18:28:39 +0200 | [diff] [blame^] | 82 | static int ipwireless_ioprobe(struct pcmcia_device *p_dev, |
| 83 | cistpl_cftable_entry_t *cfg, |
| 84 | cistpl_cftable_entry_t *dflt, |
| 85 | unsigned int vcc, |
| 86 | void *priv_data) |
| 87 | { |
| 88 | p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; |
| 89 | p_dev->io.BasePort1 = cfg->io.win[0].base; |
| 90 | p_dev->io.NumPorts1 = cfg->io.win[0].len; |
| 91 | p_dev->io.IOAddrLines = 16; |
| 92 | |
| 93 | p_dev->irq.IRQInfo1 = cfg->irq.IRQInfo1; |
| 94 | |
| 95 | /* 0x40 causes it to generate level mode interrupts. */ |
| 96 | /* 0x04 enables IREQ pin. */ |
| 97 | p_dev->conf.ConfigIndex = cfg->index | 0x44; |
| 98 | return pcmcia_request_io(p_dev, &p_dev->io); |
| 99 | } |
| 100 | |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 101 | static int config_ipwireless(struct ipw_dev *ipw) |
| 102 | { |
| 103 | struct pcmcia_device *link = ipw->link; |
Dominik Brodowski | aaa8cfd | 2009-10-18 18:28:39 +0200 | [diff] [blame^] | 104 | int ret = 0; |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 105 | tuple_t tuple; |
| 106 | unsigned short buf[64]; |
| 107 | cisparse_t parse; |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 108 | memreq_t memreq_attr_memory; |
| 109 | memreq_t memreq_common_memory; |
| 110 | |
| 111 | ipw->is_v2_card = 0; |
| 112 | |
| 113 | tuple.Attributes = 0; |
| 114 | tuple.TupleData = (cisdata_t *) buf; |
| 115 | tuple.TupleDataMax = sizeof(buf); |
| 116 | tuple.TupleOffset = 0; |
| 117 | |
Dominik Brodowski | aaa8cfd | 2009-10-18 18:28:39 +0200 | [diff] [blame^] | 118 | ret = pcmcia_loop_config(link, ipwireless_ioprobe, NULL); |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 119 | if (ret != 0) { |
Dominik Brodowski | aaa8cfd | 2009-10-18 18:28:39 +0200 | [diff] [blame^] | 120 | cs_error(link, RequestIO, ret); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 121 | goto exit0; |
| 122 | } |
| 123 | |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 124 | link->conf.Attributes = CONF_ENABLE_IRQ; |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 125 | link->conf.IntType = INT_MEMORY_AND_IO; |
| 126 | |
| 127 | link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT; |
| 128 | link->irq.Handler = ipwireless_interrupt; |
| 129 | link->irq.Instance = ipw->hardware; |
| 130 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 131 | request_region(link->io.BasePort1, link->io.NumPorts1, |
| 132 | IPWIRELESS_PCCARD_NAME); |
| 133 | |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 134 | /* memory settings */ |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 135 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
| 136 | |
| 137 | ret = pcmcia_get_first_tuple(link, &tuple); |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 138 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 139 | cs_error(link, GetFirstTuple, ret); |
| 140 | goto exit1; |
| 141 | } |
| 142 | |
| 143 | ret = pcmcia_get_tuple_data(link, &tuple); |
| 144 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 145 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 146 | cs_error(link, GetTupleData, ret); |
| 147 | goto exit1; |
| 148 | } |
| 149 | |
Dominik Brodowski | 2f3061e | 2008-08-31 15:50:33 +0200 | [diff] [blame] | 150 | ret = pcmcia_parse_tuple(&tuple, &parse); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 151 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 152 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 153 | cs_error(link, ParseTuple, ret); |
| 154 | goto exit1; |
| 155 | } |
| 156 | |
| 157 | if (parse.cftable_entry.mem.nwin > 0) { |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 158 | ipw->request_common_memory.Attributes = |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 159 | WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_CM | WIN_ENABLE; |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 160 | ipw->request_common_memory.Base = |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 161 | parse.cftable_entry.mem.win[0].host_addr; |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 162 | ipw->request_common_memory.Size = parse.cftable_entry.mem.win[0].len; |
| 163 | if (ipw->request_common_memory.Size < 0x1000) |
| 164 | ipw->request_common_memory.Size = 0x1000; |
| 165 | ipw->request_common_memory.AccessSpeed = 0; |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 166 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 167 | ret = pcmcia_request_window(&link, &ipw->request_common_memory, |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 168 | &ipw->handle_common_memory); |
| 169 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 170 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 171 | cs_error(link, RequestWindow, ret); |
| 172 | goto exit1; |
| 173 | } |
| 174 | |
| 175 | memreq_common_memory.CardOffset = |
| 176 | parse.cftable_entry.mem.win[0].card_addr; |
| 177 | memreq_common_memory.Page = 0; |
| 178 | |
| 179 | ret = pcmcia_map_mem_page(ipw->handle_common_memory, |
| 180 | &memreq_common_memory); |
| 181 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 182 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 183 | cs_error(link, MapMemPage, ret); |
| 184 | goto exit1; |
| 185 | } |
| 186 | |
| 187 | ipw->is_v2_card = |
| 188 | parse.cftable_entry.mem.win[0].len == 0x100; |
| 189 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 190 | ipw->common_memory = ioremap(ipw->request_common_memory.Base, |
| 191 | ipw->request_common_memory.Size); |
| 192 | request_mem_region(ipw->request_common_memory.Base, |
| 193 | ipw->request_common_memory.Size, IPWIRELESS_PCCARD_NAME); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 194 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 195 | ipw->request_attr_memory.Attributes = |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 196 | WIN_DATA_WIDTH_16 | WIN_MEMORY_TYPE_AM | WIN_ENABLE; |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 197 | ipw->request_attr_memory.Base = 0; |
| 198 | ipw->request_attr_memory.Size = 0; /* this used to be 0x1000 */ |
| 199 | ipw->request_attr_memory.AccessSpeed = 0; |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 200 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 201 | ret = pcmcia_request_window(&link, &ipw->request_attr_memory, |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 202 | &ipw->handle_attr_memory); |
| 203 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 204 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 205 | cs_error(link, RequestWindow, ret); |
| 206 | goto exit2; |
| 207 | } |
| 208 | |
| 209 | memreq_attr_memory.CardOffset = 0; |
| 210 | memreq_attr_memory.Page = 0; |
| 211 | |
| 212 | ret = pcmcia_map_mem_page(ipw->handle_attr_memory, |
| 213 | &memreq_attr_memory); |
| 214 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 215 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 216 | cs_error(link, MapMemPage, ret); |
| 217 | goto exit2; |
| 218 | } |
| 219 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 220 | ipw->attr_memory = ioremap(ipw->request_attr_memory.Base, |
| 221 | ipw->request_attr_memory.Size); |
| 222 | request_mem_region(ipw->request_attr_memory.Base, ipw->request_attr_memory.Size, |
| 223 | IPWIRELESS_PCCARD_NAME); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 224 | } |
| 225 | |
| 226 | INIT_WORK(&ipw->work_reboot, signalled_reboot_work); |
| 227 | |
| 228 | ipwireless_init_hardware_v1(ipw->hardware, link->io.BasePort1, |
| 229 | ipw->attr_memory, ipw->common_memory, |
| 230 | ipw->is_v2_card, signalled_reboot_callback, |
| 231 | ipw); |
| 232 | |
| 233 | ret = pcmcia_request_irq(link, &link->irq); |
| 234 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 235 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 236 | cs_error(link, RequestIRQ, ret); |
| 237 | goto exit3; |
| 238 | } |
| 239 | |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 240 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME ": Card type %s\n", |
| 241 | ipw->is_v2_card ? "V2/V3" : "V1"); |
| 242 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME |
| 243 | ": I/O ports 0x%04x-0x%04x, irq %d\n", |
| 244 | (unsigned int) link->io.BasePort1, |
| 245 | (unsigned int) (link->io.BasePort1 + |
| 246 | link->io.NumPorts1 - 1), |
| 247 | (unsigned int) link->irq.AssignedIRQ); |
| 248 | if (ipw->attr_memory && ipw->common_memory) |
| 249 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME |
David Sterba | 622e713 | 2008-07-28 16:52:55 +0200 | [diff] [blame] | 250 | ": attr memory 0x%08lx-0x%08lx, common memory 0x%08lx-0x%08lx\n", |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 251 | ipw->request_attr_memory.Base, |
| 252 | ipw->request_attr_memory.Base |
| 253 | + ipw->request_attr_memory.Size - 1, |
| 254 | ipw->request_common_memory.Base, |
| 255 | ipw->request_common_memory.Base |
| 256 | + ipw->request_common_memory.Size - 1); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 257 | |
| 258 | ipw->network = ipwireless_network_create(ipw->hardware); |
| 259 | if (!ipw->network) |
| 260 | goto exit3; |
| 261 | |
| 262 | ipw->tty = ipwireless_tty_create(ipw->hardware, ipw->network, |
| 263 | ipw->nodes); |
| 264 | if (!ipw->tty) |
| 265 | goto exit3; |
| 266 | |
| 267 | ipwireless_init_hardware_v2_v3(ipw->hardware); |
| 268 | |
| 269 | /* |
| 270 | * Do the RequestConfiguration last, because it enables interrupts. |
| 271 | * Then we don't get any interrupts before we're ready for them. |
| 272 | */ |
| 273 | ret = pcmcia_request_configuration(link, &link->conf); |
| 274 | |
Dominik Brodowski | 4c89e88 | 2008-08-03 10:07:45 +0200 | [diff] [blame] | 275 | if (ret != 0) { |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 276 | cs_error(link, RequestConfiguration, ret); |
| 277 | goto exit4; |
| 278 | } |
| 279 | |
| 280 | link->dev_node = &ipw->nodes[0]; |
| 281 | |
| 282 | return 0; |
| 283 | |
| 284 | exit4: |
| 285 | pcmcia_disable_device(link); |
| 286 | exit3: |
| 287 | if (ipw->attr_memory) { |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 288 | release_mem_region(ipw->request_attr_memory.Base, |
| 289 | ipw->request_attr_memory.Size); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 290 | iounmap(ipw->attr_memory); |
| 291 | pcmcia_release_window(ipw->handle_attr_memory); |
| 292 | pcmcia_disable_device(link); |
| 293 | } |
| 294 | exit2: |
| 295 | if (ipw->common_memory) { |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 296 | release_mem_region(ipw->request_common_memory.Base, |
| 297 | ipw->request_common_memory.Size); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 298 | iounmap(ipw->common_memory); |
| 299 | pcmcia_release_window(ipw->handle_common_memory); |
| 300 | } |
| 301 | exit1: |
| 302 | pcmcia_disable_device(link); |
| 303 | exit0: |
| 304 | return -1; |
| 305 | } |
| 306 | |
| 307 | static void release_ipwireless(struct ipw_dev *ipw) |
| 308 | { |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 309 | pcmcia_disable_device(ipw->link); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 310 | |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 311 | if (ipw->common_memory) { |
| 312 | release_mem_region(ipw->request_common_memory.Base, |
| 313 | ipw->request_common_memory.Size); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 314 | iounmap(ipw->common_memory); |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 315 | } |
| 316 | if (ipw->attr_memory) { |
| 317 | release_mem_region(ipw->request_attr_memory.Base, |
| 318 | ipw->request_attr_memory.Size); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 319 | iounmap(ipw->attr_memory); |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 320 | } |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 321 | if (ipw->common_memory) |
| 322 | pcmcia_release_window(ipw->handle_common_memory); |
| 323 | if (ipw->attr_memory) |
| 324 | pcmcia_release_window(ipw->handle_attr_memory); |
David Sterba | 09e491e | 2008-07-28 16:53:16 +0200 | [diff] [blame] | 325 | |
| 326 | /* Break the link with Card Services */ |
| 327 | pcmcia_disable_device(ipw->link); |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 328 | } |
| 329 | |
| 330 | /* |
| 331 | * ipwireless_attach() creates an "instance" of the driver, allocating |
| 332 | * local data structures for one device (one interface). The device |
| 333 | * is registered with Card Services. |
| 334 | * |
| 335 | * The pcmcia_device structure is initialized, but we don't actually |
| 336 | * configure the card at this point -- we wait until we receive a |
| 337 | * card insertion event. |
| 338 | */ |
| 339 | static int ipwireless_attach(struct pcmcia_device *link) |
| 340 | { |
| 341 | struct ipw_dev *ipw; |
| 342 | int ret; |
| 343 | |
| 344 | ipw = kzalloc(sizeof(struct ipw_dev), GFP_KERNEL); |
| 345 | if (!ipw) |
| 346 | return -ENOMEM; |
| 347 | |
| 348 | ipw->link = link; |
| 349 | link->priv = ipw; |
| 350 | link->irq.Instance = ipw; |
| 351 | |
| 352 | /* Link this device into our device list. */ |
| 353 | link->dev_node = &ipw->nodes[0]; |
| 354 | |
| 355 | ipw->hardware = ipwireless_hardware_create(); |
| 356 | if (!ipw->hardware) { |
| 357 | kfree(ipw); |
| 358 | return -ENOMEM; |
| 359 | } |
| 360 | /* RegisterClient will call config_ipwireless */ |
| 361 | |
| 362 | ret = config_ipwireless(ipw); |
| 363 | |
| 364 | if (ret != 0) { |
| 365 | cs_error(link, RegisterClient, ret); |
| 366 | ipwireless_detach(link); |
| 367 | return ret; |
| 368 | } |
| 369 | |
| 370 | return 0; |
| 371 | } |
| 372 | |
| 373 | /* |
| 374 | * This deletes a driver "instance". The device is de-registered with |
| 375 | * Card Services. If it has been released, all local data structures |
| 376 | * are freed. Otherwise, the structures will be freed when the device |
| 377 | * is released. |
| 378 | */ |
| 379 | static void ipwireless_detach(struct pcmcia_device *link) |
| 380 | { |
| 381 | struct ipw_dev *ipw = link->priv; |
| 382 | |
| 383 | release_ipwireless(ipw); |
| 384 | |
David Sterba | 099dc4f | 2008-02-07 10:57:12 +0100 | [diff] [blame] | 385 | if (ipw->tty != NULL) |
| 386 | ipwireless_tty_free(ipw->tty); |
| 387 | if (ipw->network != NULL) |
| 388 | ipwireless_network_free(ipw->network); |
| 389 | if (ipw->hardware != NULL) |
| 390 | ipwireless_hardware_free(ipw->hardware); |
| 391 | kfree(ipw); |
| 392 | } |
| 393 | |
| 394 | static struct pcmcia_driver me = { |
| 395 | .owner = THIS_MODULE, |
| 396 | .probe = ipwireless_attach, |
| 397 | .remove = ipwireless_detach, |
| 398 | .drv = { .name = IPWIRELESS_PCCARD_NAME }, |
| 399 | .id_table = ipw_ids |
| 400 | }; |
| 401 | |
| 402 | /* |
| 403 | * Module insertion : initialisation of the module. |
| 404 | * Register the card with cardmgr... |
| 405 | */ |
| 406 | static int __init init_ipwireless(void) |
| 407 | { |
| 408 | int ret; |
| 409 | |
| 410 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME " " |
| 411 | IPWIRELESS_PCMCIA_VERSION " by " IPWIRELESS_PCMCIA_AUTHOR "\n"); |
| 412 | |
| 413 | ret = ipwireless_tty_init(); |
| 414 | if (ret != 0) |
| 415 | return ret; |
| 416 | |
| 417 | ret = pcmcia_register_driver(&me); |
| 418 | if (ret != 0) |
| 419 | ipwireless_tty_release(); |
| 420 | |
| 421 | return ret; |
| 422 | } |
| 423 | |
| 424 | /* |
| 425 | * Module removal |
| 426 | */ |
| 427 | static void __exit exit_ipwireless(void) |
| 428 | { |
| 429 | printk(KERN_INFO IPWIRELESS_PCCARD_NAME " " |
| 430 | IPWIRELESS_PCMCIA_VERSION " removed\n"); |
| 431 | |
| 432 | pcmcia_unregister_driver(&me); |
| 433 | ipwireless_tty_release(); |
| 434 | } |
| 435 | |
| 436 | module_init(init_ipwireless); |
| 437 | module_exit(exit_ipwireless); |
| 438 | |
| 439 | MODULE_AUTHOR(IPWIRELESS_PCMCIA_AUTHOR); |
| 440 | MODULE_DESCRIPTION(IPWIRELESS_PCCARD_NAME " " IPWIRELESS_PCMCIA_VERSION); |
| 441 | MODULE_LICENSE("GPL"); |