Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Driver for Intel I82092AA PCI-PCMCIA bridge. |
| 3 | * |
| 4 | * (C) 2001 Red Hat, Inc. |
| 5 | * |
| 6 | * Author: Arjan Van De Ven <arjanv@redhat.com> |
| 7 | * Loosly based on i82365.c from the pcmcia-cs package |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | */ |
| 9 | |
| 10 | #include <linux/kernel.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 11 | #include <linux/module.h> |
| 12 | #include <linux/pci.h> |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/workqueue.h> |
| 15 | #include <linux/interrupt.h> |
| 16 | #include <linux/device.h> |
| 17 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 18 | #include <pcmcia/ss.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 19 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 20 | #include <asm/io.h> |
| 21 | |
| 22 | #include "i82092aa.h" |
| 23 | #include "i82365.h" |
| 24 | |
| 25 | MODULE_LICENSE("GPL"); |
| 26 | |
| 27 | /* PCI core routines */ |
Axel Lin | 2b2c5d8 | 2011-12-27 16:17:46 +0800 | [diff] [blame] | 28 | static DEFINE_PCI_DEVICE_TABLE(i82092aa_pci_ids) = { |
| 29 | { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82092AA_0) }, |
| 30 | { } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | }; |
| 32 | MODULE_DEVICE_TABLE(pci, i82092aa_pci_ids); |
| 33 | |
Sam Ravnborg | ba66ddf | 2008-05-01 04:34:51 -0700 | [diff] [blame] | 34 | static struct pci_driver i82092aa_pci_driver = { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | .name = "i82092aa", |
| 36 | .id_table = i82092aa_pci_ids, |
| 37 | .probe = i82092aa_pci_probe, |
Bill Pemberton | 96364e3 | 2012-11-19 13:20:38 -0500 | [diff] [blame] | 38 | .remove = i82092aa_pci_remove, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | }; |
| 40 | |
| 41 | |
| 42 | /* the pccard structure and its functions */ |
| 43 | static struct pccard_operations i82092aa_operations = { |
| 44 | .init = i82092aa_init, |
| 45 | .get_status = i82092aa_get_status, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | .set_socket = i82092aa_set_socket, |
| 47 | .set_io_map = i82092aa_set_io_map, |
| 48 | .set_mem_map = i82092aa_set_mem_map, |
| 49 | }; |
| 50 | |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 51 | /* The card can do up to 4 sockets, allocate a structure for each of them */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | |
| 53 | struct socket_info { |
| 54 | int number; |
| 55 | int card_state; /* 0 = no socket, |
| 56 | 1 = empty socket, |
| 57 | 2 = card but not initialized, |
| 58 | 3 = operational card */ |
Olof Johansson | 906da80 | 2008-02-04 22:27:35 -0800 | [diff] [blame] | 59 | unsigned int io_base; /* base io address of the socket */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | struct pcmcia_socket socket; |
| 62 | struct pci_dev *dev; /* The PCI device for the socket */ |
| 63 | }; |
| 64 | |
| 65 | #define MAX_SOCKETS 4 |
| 66 | static struct socket_info sockets[MAX_SOCKETS]; |
| 67 | static int socket_count; /* shortcut */ |
| 68 | |
| 69 | |
Bill Pemberton | 34cdf25 | 2012-11-19 13:23:12 -0500 | [diff] [blame] | 70 | static int i82092aa_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | { |
| 72 | unsigned char configbyte; |
| 73 | int i, ret; |
| 74 | |
| 75 | enter("i82092aa_pci_probe"); |
| 76 | |
| 77 | if ((ret = pci_enable_device(dev))) |
| 78 | return ret; |
| 79 | |
| 80 | pci_read_config_byte(dev, 0x40, &configbyte); /* PCI Configuration Control */ |
| 81 | switch(configbyte&6) { |
| 82 | case 0: |
| 83 | socket_count = 2; |
| 84 | break; |
| 85 | case 2: |
| 86 | socket_count = 1; |
| 87 | break; |
| 88 | case 4: |
| 89 | case 6: |
| 90 | socket_count = 4; |
| 91 | break; |
| 92 | |
| 93 | default: |
| 94 | printk(KERN_ERR "i82092aa: Oops, you did something we didn't think of.\n"); |
| 95 | ret = -EIO; |
| 96 | goto err_out_disable; |
| 97 | } |
| 98 | printk(KERN_INFO "i82092aa: configured as a %d socket device.\n", socket_count); |
| 99 | |
| 100 | if (!request_region(pci_resource_start(dev, 0), 2, "i82092aa")) { |
| 101 | ret = -EBUSY; |
| 102 | goto err_out_disable; |
| 103 | } |
| 104 | |
| 105 | for (i = 0;i<socket_count;i++) { |
| 106 | sockets[i].card_state = 1; /* 1 = present but empty */ |
| 107 | sockets[i].io_base = pci_resource_start(dev, 0); |
| 108 | sockets[i].socket.features |= SS_CAP_PCCARD; |
| 109 | sockets[i].socket.map_size = 0x1000; |
| 110 | sockets[i].socket.irq_mask = 0; |
| 111 | sockets[i].socket.pci_irq = dev->irq; |
Dominik Brodowski | 7a96e87 | 2010-03-13 17:42:39 +0100 | [diff] [blame] | 112 | sockets[i].socket.cb_dev = dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 113 | sockets[i].socket.owner = THIS_MODULE; |
| 114 | |
| 115 | sockets[i].number = i; |
| 116 | |
| 117 | if (card_present(i)) { |
| 118 | sockets[i].card_state = 3; |
| 119 | dprintk(KERN_DEBUG "i82092aa: slot %i is occupied\n",i); |
| 120 | } else { |
| 121 | dprintk(KERN_DEBUG "i82092aa: slot %i is vacant\n",i); |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | /* Now, specifiy that all interrupts are to be done as PCI interrupts */ |
| 126 | configbyte = 0xFF; /* bitmask, one bit per event, 1 = PCI interrupt, 0 = ISA interrupt */ |
| 127 | pci_write_config_byte(dev, 0x50, configbyte); /* PCI Interrupt Routing Register */ |
| 128 | |
| 129 | /* Register the interrupt handler */ |
| 130 | dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq); |
Thomas Gleixner | dace145 | 2006-07-01 19:29:38 -0700 | [diff] [blame] | 131 | if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 132 | printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq); |
| 133 | goto err_out_free_res; |
| 134 | } |
| 135 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 136 | for (i = 0; i<socket_count; i++) { |
Greg Kroah-Hartman | 8737331 | 2006-09-12 17:00:10 +0200 | [diff] [blame] | 137 | sockets[i].socket.dev.parent = &dev->dev; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | sockets[i].socket.ops = &i82092aa_operations; |
| 139 | sockets[i].socket.resource_ops = &pccard_nonstatic_ops; |
| 140 | ret = pcmcia_register_socket(&sockets[i].socket); |
| 141 | if (ret) { |
| 142 | goto err_out_free_sockets; |
| 143 | } |
| 144 | } |
| 145 | |
| 146 | leave("i82092aa_pci_probe"); |
| 147 | return 0; |
| 148 | |
| 149 | err_out_free_sockets: |
| 150 | if (i) { |
| 151 | for (i--;i>=0;i--) { |
| 152 | pcmcia_unregister_socket(&sockets[i].socket); |
| 153 | } |
| 154 | } |
| 155 | free_irq(dev->irq, i82092aa_interrupt); |
| 156 | err_out_free_res: |
| 157 | release_region(pci_resource_start(dev, 0), 2); |
| 158 | err_out_disable: |
| 159 | pci_disable_device(dev); |
| 160 | return ret; |
| 161 | } |
| 162 | |
Bill Pemberton | e765a02 | 2012-11-19 13:26:05 -0500 | [diff] [blame] | 163 | static void i82092aa_pci_remove(struct pci_dev *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | { |
Dan Carpenter | 36c286d | 2012-12-14 18:01:08 +0300 | [diff] [blame^] | 165 | int i; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 166 | |
| 167 | enter("i82092aa_pci_remove"); |
| 168 | |
| 169 | free_irq(dev->irq, i82092aa_interrupt); |
| 170 | |
Dan Carpenter | 36c286d | 2012-12-14 18:01:08 +0300 | [diff] [blame^] | 171 | for (i = 0; i < socket_count; i++) |
| 172 | pcmcia_unregister_socket(&sockets[i].socket); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | |
| 174 | leave("i82092aa_pci_remove"); |
| 175 | } |
| 176 | |
| 177 | static DEFINE_SPINLOCK(port_lock); |
| 178 | |
| 179 | /* basic value read/write functions */ |
| 180 | |
| 181 | static unsigned char indirect_read(int socket, unsigned short reg) |
| 182 | { |
| 183 | unsigned short int port; |
| 184 | unsigned char val; |
| 185 | unsigned long flags; |
| 186 | spin_lock_irqsave(&port_lock,flags); |
| 187 | reg += socket * 0x40; |
| 188 | port = sockets[socket].io_base; |
| 189 | outb(reg,port); |
| 190 | val = inb(port+1); |
| 191 | spin_unlock_irqrestore(&port_lock,flags); |
| 192 | return val; |
| 193 | } |
| 194 | |
| 195 | #if 0 |
| 196 | static unsigned short indirect_read16(int socket, unsigned short reg) |
| 197 | { |
| 198 | unsigned short int port; |
| 199 | unsigned short tmp; |
| 200 | unsigned long flags; |
| 201 | spin_lock_irqsave(&port_lock,flags); |
| 202 | reg = reg + socket * 0x40; |
| 203 | port = sockets[socket].io_base; |
| 204 | outb(reg,port); |
| 205 | tmp = inb(port+1); |
| 206 | reg++; |
| 207 | outb(reg,port); |
| 208 | tmp = tmp | (inb(port+1)<<8); |
| 209 | spin_unlock_irqrestore(&port_lock,flags); |
| 210 | return tmp; |
| 211 | } |
| 212 | #endif |
| 213 | |
| 214 | static void indirect_write(int socket, unsigned short reg, unsigned char value) |
| 215 | { |
| 216 | unsigned short int port; |
| 217 | unsigned long flags; |
| 218 | spin_lock_irqsave(&port_lock,flags); |
| 219 | reg = reg + socket * 0x40; |
| 220 | port = sockets[socket].io_base; |
| 221 | outb(reg,port); |
| 222 | outb(value,port+1); |
| 223 | spin_unlock_irqrestore(&port_lock,flags); |
| 224 | } |
| 225 | |
| 226 | static void indirect_setbit(int socket, unsigned short reg, unsigned char mask) |
| 227 | { |
| 228 | unsigned short int port; |
| 229 | unsigned char val; |
| 230 | unsigned long flags; |
| 231 | spin_lock_irqsave(&port_lock,flags); |
| 232 | reg = reg + socket * 0x40; |
| 233 | port = sockets[socket].io_base; |
| 234 | outb(reg,port); |
| 235 | val = inb(port+1); |
| 236 | val |= mask; |
| 237 | outb(reg,port); |
| 238 | outb(val,port+1); |
| 239 | spin_unlock_irqrestore(&port_lock,flags); |
| 240 | } |
| 241 | |
| 242 | |
| 243 | static void indirect_resetbit(int socket, unsigned short reg, unsigned char mask) |
| 244 | { |
| 245 | unsigned short int port; |
| 246 | unsigned char val; |
| 247 | unsigned long flags; |
| 248 | spin_lock_irqsave(&port_lock,flags); |
| 249 | reg = reg + socket * 0x40; |
| 250 | port = sockets[socket].io_base; |
| 251 | outb(reg,port); |
| 252 | val = inb(port+1); |
| 253 | val &= ~mask; |
| 254 | outb(reg,port); |
| 255 | outb(val,port+1); |
| 256 | spin_unlock_irqrestore(&port_lock,flags); |
| 257 | } |
| 258 | |
| 259 | static void indirect_write16(int socket, unsigned short reg, unsigned short value) |
| 260 | { |
| 261 | unsigned short int port; |
| 262 | unsigned char val; |
| 263 | unsigned long flags; |
| 264 | spin_lock_irqsave(&port_lock,flags); |
| 265 | reg = reg + socket * 0x40; |
| 266 | port = sockets[socket].io_base; |
| 267 | |
| 268 | outb(reg,port); |
| 269 | val = value & 255; |
| 270 | outb(val,port+1); |
| 271 | |
| 272 | reg++; |
| 273 | |
| 274 | outb(reg,port); |
| 275 | val = value>>8; |
| 276 | outb(val,port+1); |
| 277 | spin_unlock_irqrestore(&port_lock,flags); |
| 278 | } |
| 279 | |
| 280 | /* simple helper functions */ |
| 281 | /* External clock time, in nanoseconds. 120 ns = 8.33 MHz */ |
| 282 | static int cycle_time = 120; |
| 283 | |
| 284 | static int to_cycles(int ns) |
| 285 | { |
| 286 | if (cycle_time!=0) |
| 287 | return ns/cycle_time; |
| 288 | else |
| 289 | return 0; |
| 290 | } |
| 291 | |
| 292 | |
| 293 | /* Interrupt handler functionality */ |
| 294 | |
David Howells | 7d12e78 | 2006-10-05 14:55:46 +0100 | [diff] [blame] | 295 | static irqreturn_t i82092aa_interrupt(int irq, void *dev) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | { |
| 297 | int i; |
| 298 | int loopcount = 0; |
| 299 | int handled = 0; |
| 300 | |
| 301 | unsigned int events, active=0; |
| 302 | |
| 303 | /* enter("i82092aa_interrupt");*/ |
| 304 | |
| 305 | while (1) { |
| 306 | loopcount++; |
| 307 | if (loopcount>20) { |
| 308 | printk(KERN_ERR "i82092aa: infinite eventloop in interrupt \n"); |
| 309 | break; |
| 310 | } |
| 311 | |
| 312 | active = 0; |
| 313 | |
| 314 | for (i=0;i<socket_count;i++) { |
| 315 | int csc; |
| 316 | if (sockets[i].card_state==0) /* Inactive socket, should not happen */ |
| 317 | continue; |
| 318 | |
| 319 | csc = indirect_read(i,I365_CSC); /* card status change register */ |
| 320 | |
| 321 | if (csc==0) /* no events on this socket */ |
| 322 | continue; |
| 323 | handled = 1; |
| 324 | events = 0; |
| 325 | |
| 326 | if (csc & I365_CSC_DETECT) { |
| 327 | events |= SS_DETECT; |
| 328 | printk("Card detected in socket %i!\n",i); |
| 329 | } |
| 330 | |
| 331 | if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) { |
| 332 | /* For IO/CARDS, bit 0 means "read the card" */ |
| 333 | events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; |
| 334 | } else { |
| 335 | /* Check for battery/ready events */ |
| 336 | events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; |
| 337 | events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; |
| 338 | events |= (csc & I365_CSC_READY) ? SS_READY : 0; |
| 339 | } |
| 340 | |
| 341 | if (events) { |
| 342 | pcmcia_parse_events(&sockets[i].socket, events); |
| 343 | } |
| 344 | active |= events; |
| 345 | } |
| 346 | |
| 347 | if (active==0) /* no more events to handle */ |
| 348 | break; |
| 349 | |
| 350 | } |
| 351 | return IRQ_RETVAL(handled); |
| 352 | /* leave("i82092aa_interrupt");*/ |
| 353 | } |
| 354 | |
| 355 | |
| 356 | |
| 357 | /* socket functions */ |
| 358 | |
| 359 | static int card_present(int socketno) |
| 360 | { |
| 361 | unsigned int val; |
| 362 | enter("card_present"); |
| 363 | |
| 364 | if ((socketno<0) || (socketno >= MAX_SOCKETS)) |
| 365 | return 0; |
| 366 | if (sockets[socketno].io_base == 0) |
| 367 | return 0; |
| 368 | |
| 369 | |
| 370 | val = indirect_read(socketno, 1); /* Interface status register */ |
| 371 | if ((val&12)==12) { |
| 372 | leave("card_present 1"); |
| 373 | return 1; |
| 374 | } |
| 375 | |
| 376 | leave("card_present 0"); |
| 377 | return 0; |
| 378 | } |
| 379 | |
| 380 | static void set_bridge_state(int sock) |
| 381 | { |
| 382 | enter("set_bridge_state"); |
| 383 | indirect_write(sock, I365_GBLCTL,0x00); |
| 384 | indirect_write(sock, I365_GENCTL,0x00); |
| 385 | |
| 386 | indirect_setbit(sock, I365_INTCTL,0x08); |
| 387 | leave("set_bridge_state"); |
| 388 | } |
| 389 | |
| 390 | |
| 391 | |
| 392 | |
| 393 | |
| 394 | |
| 395 | static int i82092aa_init(struct pcmcia_socket *sock) |
| 396 | { |
| 397 | int i; |
| 398 | struct resource res = { .start = 0, .end = 0x0fff }; |
| 399 | pccard_io_map io = { 0, 0, 0, 0, 1 }; |
| 400 | pccard_mem_map mem = { .res = &res, }; |
| 401 | |
| 402 | enter("i82092aa_init"); |
| 403 | |
| 404 | for (i = 0; i < 2; i++) { |
| 405 | io.map = i; |
| 406 | i82092aa_set_io_map(sock, &io); |
| 407 | } |
| 408 | for (i = 0; i < 5; i++) { |
| 409 | mem.map = i; |
| 410 | i82092aa_set_mem_map(sock, &mem); |
| 411 | } |
| 412 | |
| 413 | leave("i82092aa_init"); |
| 414 | return 0; |
| 415 | } |
| 416 | |
| 417 | static int i82092aa_get_status(struct pcmcia_socket *socket, u_int *value) |
| 418 | { |
| 419 | unsigned int sock = container_of(socket, struct socket_info, socket)->number; |
| 420 | unsigned int status; |
| 421 | |
| 422 | enter("i82092aa_get_status"); |
| 423 | |
| 424 | status = indirect_read(sock,I365_STATUS); /* Interface Status Register */ |
| 425 | *value = 0; |
| 426 | |
| 427 | if ((status & I365_CS_DETECT) == I365_CS_DETECT) { |
| 428 | *value |= SS_DETECT; |
| 429 | } |
| 430 | |
| 431 | /* IO cards have a different meaning of bits 0,1 */ |
| 432 | /* Also notice the inverse-logic on the bits */ |
| 433 | if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD) { |
| 434 | /* IO card */ |
| 435 | if (!(status & I365_CS_STSCHG)) |
| 436 | *value |= SS_STSCHG; |
| 437 | } else { /* non I/O card */ |
| 438 | if (!(status & I365_CS_BVD1)) |
| 439 | *value |= SS_BATDEAD; |
| 440 | if (!(status & I365_CS_BVD2)) |
| 441 | *value |= SS_BATWARN; |
| 442 | |
| 443 | } |
| 444 | |
| 445 | if (status & I365_CS_WRPROT) |
| 446 | (*value) |= SS_WRPROT; /* card is write protected */ |
| 447 | |
| 448 | if (status & I365_CS_READY) |
| 449 | (*value) |= SS_READY; /* card is not busy */ |
| 450 | |
| 451 | if (status & I365_CS_POWERON) |
| 452 | (*value) |= SS_POWERON; /* power is applied to the card */ |
| 453 | |
| 454 | |
| 455 | leave("i82092aa_get_status"); |
| 456 | return 0; |
| 457 | } |
| 458 | |
| 459 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | static int i82092aa_set_socket(struct pcmcia_socket *socket, socket_state_t *state) |
| 461 | { |
| 462 | unsigned int sock = container_of(socket, struct socket_info, socket)->number; |
| 463 | unsigned char reg; |
| 464 | |
| 465 | enter("i82092aa_set_socket"); |
| 466 | |
| 467 | /* First, set the global controller options */ |
| 468 | |
| 469 | set_bridge_state(sock); |
| 470 | |
| 471 | /* Values for the IGENC register */ |
| 472 | |
| 473 | reg = 0; |
| 474 | if (!(state->flags & SS_RESET)) /* The reset bit has "inverse" logic */ |
| 475 | reg = reg | I365_PC_RESET; |
| 476 | if (state->flags & SS_IOCARD) |
| 477 | reg = reg | I365_PC_IOCARD; |
| 478 | |
| 479 | indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General Control Register */ |
| 480 | |
| 481 | /* Power registers */ |
| 482 | |
| 483 | reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */ |
| 484 | |
| 485 | if (state->flags & SS_PWR_AUTO) { |
| 486 | printk("Auto power\n"); |
| 487 | reg |= I365_PWR_AUTO; /* automatic power mngmnt */ |
| 488 | } |
| 489 | if (state->flags & SS_OUTPUT_ENA) { |
| 490 | printk("Power Enabled \n"); |
| 491 | reg |= I365_PWR_OUT; /* enable power */ |
| 492 | } |
| 493 | |
| 494 | switch (state->Vcc) { |
| 495 | case 0: |
| 496 | break; |
| 497 | case 50: |
| 498 | printk("setting voltage to Vcc to 5V on socket %i\n",sock); |
| 499 | reg |= I365_VCC_5V; |
| 500 | break; |
| 501 | default: |
| 502 | printk("i82092aa: i82092aa_set_socket called with invalid VCC power value: %i ", state->Vcc); |
| 503 | leave("i82092aa_set_socket"); |
| 504 | return -EINVAL; |
| 505 | } |
| 506 | |
| 507 | |
| 508 | switch (state->Vpp) { |
| 509 | case 0: |
| 510 | printk("not setting Vpp on socket %i\n",sock); |
| 511 | break; |
| 512 | case 50: |
| 513 | printk("setting Vpp to 5.0 for socket %i\n",sock); |
| 514 | reg |= I365_VPP1_5V | I365_VPP2_5V; |
| 515 | break; |
| 516 | case 120: |
| 517 | printk("setting Vpp to 12.0\n"); |
| 518 | reg |= I365_VPP1_12V | I365_VPP2_12V; |
| 519 | break; |
| 520 | default: |
| 521 | printk("i82092aa: i82092aa_set_socket called with invalid VPP power value: %i ", state->Vcc); |
| 522 | leave("i82092aa_set_socket"); |
| 523 | return -EINVAL; |
| 524 | } |
| 525 | |
| 526 | if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */ |
| 527 | indirect_write(sock,I365_POWER,reg); |
| 528 | |
| 529 | /* Enable specific interrupt events */ |
| 530 | |
| 531 | reg = 0x00; |
| 532 | if (state->csc_mask & SS_DETECT) { |
| 533 | reg |= I365_CSC_DETECT; |
| 534 | } |
| 535 | if (state->flags & SS_IOCARD) { |
| 536 | if (state->csc_mask & SS_STSCHG) |
| 537 | reg |= I365_CSC_STSCHG; |
| 538 | } else { |
| 539 | if (state->csc_mask & SS_BATDEAD) |
| 540 | reg |= I365_CSC_BVD1; |
| 541 | if (state->csc_mask & SS_BATWARN) |
| 542 | reg |= I365_CSC_BVD2; |
| 543 | if (state->csc_mask & SS_READY) |
| 544 | reg |= I365_CSC_READY; |
| 545 | |
| 546 | } |
| 547 | |
| 548 | /* now write the value and clear the (probably bogus) pending stuff by doing a dummy read*/ |
| 549 | |
| 550 | indirect_write(sock,I365_CSCINT,reg); |
| 551 | (void)indirect_read(sock,I365_CSC); |
| 552 | |
| 553 | leave("i82092aa_set_socket"); |
| 554 | return 0; |
| 555 | } |
| 556 | |
| 557 | static int i82092aa_set_io_map(struct pcmcia_socket *socket, struct pccard_io_map *io) |
| 558 | { |
| 559 | unsigned int sock = container_of(socket, struct socket_info, socket)->number; |
| 560 | unsigned char map, ioctl; |
| 561 | |
| 562 | enter("i82092aa_set_io_map"); |
| 563 | |
| 564 | map = io->map; |
| 565 | |
| 566 | /* Check error conditions */ |
| 567 | if (map > 1) { |
| 568 | leave("i82092aa_set_io_map with invalid map"); |
| 569 | return -EINVAL; |
| 570 | } |
| 571 | if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)){ |
| 572 | leave("i82092aa_set_io_map with invalid io"); |
| 573 | return -EINVAL; |
| 574 | } |
| 575 | |
| 576 | /* Turn off the window before changing anything */ |
| 577 | if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map)) |
| 578 | indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map)); |
| 579 | |
| 580 | /* printk("set_io_map: Setting range to %x - %x \n",io->start,io->stop); */ |
| 581 | |
| 582 | /* write the new values */ |
| 583 | indirect_write16(sock,I365_IO(map)+I365_W_START,io->start); |
| 584 | indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop); |
| 585 | |
| 586 | ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map); |
| 587 | |
| 588 | if (io->flags & (MAP_16BIT|MAP_AUTOSZ)) |
| 589 | ioctl |= I365_IOCTL_16BIT(map); |
| 590 | |
| 591 | indirect_write(sock,I365_IOCTL,ioctl); |
| 592 | |
| 593 | /* Turn the window back on if needed */ |
| 594 | if (io->flags & MAP_ACTIVE) |
| 595 | indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map)); |
| 596 | |
| 597 | leave("i82092aa_set_io_map"); |
| 598 | return 0; |
| 599 | } |
| 600 | |
| 601 | static int i82092aa_set_mem_map(struct pcmcia_socket *socket, struct pccard_mem_map *mem) |
| 602 | { |
| 603 | struct socket_info *sock_info = container_of(socket, struct socket_info, socket); |
| 604 | unsigned int sock = sock_info->number; |
| 605 | struct pci_bus_region region; |
| 606 | unsigned short base, i; |
| 607 | unsigned char map; |
| 608 | |
| 609 | enter("i82092aa_set_mem_map"); |
| 610 | |
| 611 | pcibios_resource_to_bus(sock_info->dev, ®ion, mem->res); |
| 612 | |
| 613 | map = mem->map; |
| 614 | if (map > 4) { |
| 615 | leave("i82092aa_set_mem_map: invalid map"); |
| 616 | return -EINVAL; |
| 617 | } |
| 618 | |
| 619 | |
| 620 | if ( (mem->card_start > 0x3ffffff) || (region.start > region.end) || |
| 621 | (mem->speed > 1000) ) { |
| 622 | leave("i82092aa_set_mem_map: invalid address / speed"); |
Andrew Morton | f96ee7a | 2008-02-04 23:35:48 -0800 | [diff] [blame] | 623 | printk("invalid mem map for socket %i: %llx to %llx with a " |
| 624 | "start of %x\n", |
| 625 | sock, |
| 626 | (unsigned long long)region.start, |
| 627 | (unsigned long long)region.end, |
| 628 | mem->card_start); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 629 | return -EINVAL; |
| 630 | } |
| 631 | |
| 632 | /* Turn off the window before changing anything */ |
| 633 | if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map)) |
| 634 | indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_MEM(map)); |
| 635 | |
| 636 | |
| 637 | /* printk("set_mem_map: Setting map %i range to %x - %x on socket %i, speed is %i, active = %i \n",map, region.start,region.end,sock,mem->speed,mem->flags & MAP_ACTIVE); */ |
| 638 | |
| 639 | /* write the start address */ |
| 640 | base = I365_MEM(map); |
| 641 | i = (region.start >> 12) & 0x0fff; |
| 642 | if (mem->flags & MAP_16BIT) |
| 643 | i |= I365_MEM_16BIT; |
| 644 | if (mem->flags & MAP_0WS) |
| 645 | i |= I365_MEM_0WS; |
| 646 | indirect_write16(sock,base+I365_W_START,i); |
| 647 | |
| 648 | /* write the stop address */ |
| 649 | |
| 650 | i= (region.end >> 12) & 0x0fff; |
| 651 | switch (to_cycles(mem->speed)) { |
| 652 | case 0: |
| 653 | break; |
| 654 | case 1: |
| 655 | i |= I365_MEM_WS0; |
| 656 | break; |
| 657 | case 2: |
| 658 | i |= I365_MEM_WS1; |
| 659 | break; |
| 660 | default: |
| 661 | i |= I365_MEM_WS1 | I365_MEM_WS0; |
| 662 | break; |
| 663 | } |
| 664 | |
| 665 | indirect_write16(sock,base+I365_W_STOP,i); |
| 666 | |
| 667 | /* card start */ |
| 668 | |
| 669 | i = ((mem->card_start - region.start) >> 12) & 0x3fff; |
| 670 | if (mem->flags & MAP_WRPROT) |
| 671 | i |= I365_MEM_WRPROT; |
| 672 | if (mem->flags & MAP_ATTRIB) { |
| 673 | /* printk("requesting attribute memory for socket %i\n",sock);*/ |
| 674 | i |= I365_MEM_REG; |
| 675 | } else { |
| 676 | /* printk("requesting normal memory for socket %i\n",sock);*/ |
| 677 | } |
| 678 | indirect_write16(sock,base+I365_W_OFF,i); |
| 679 | |
| 680 | /* Enable the window if necessary */ |
| 681 | if (mem->flags & MAP_ACTIVE) |
| 682 | indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map)); |
| 683 | |
| 684 | leave("i82092aa_set_mem_map"); |
| 685 | return 0; |
| 686 | } |
| 687 | |
| 688 | static int i82092aa_module_init(void) |
| 689 | { |
Sam Ravnborg | ba66ddf | 2008-05-01 04:34:51 -0700 | [diff] [blame] | 690 | return pci_register_driver(&i82092aa_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 691 | } |
| 692 | |
| 693 | static void i82092aa_module_exit(void) |
| 694 | { |
| 695 | enter("i82092aa_module_exit"); |
Sam Ravnborg | ba66ddf | 2008-05-01 04:34:51 -0700 | [diff] [blame] | 696 | pci_unregister_driver(&i82092aa_pci_driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 697 | if (sockets[0].io_base>0) |
| 698 | release_region(sockets[0].io_base, 2); |
| 699 | leave("i82092aa_module_exit"); |
| 700 | } |
| 701 | |
| 702 | module_init(i82092aa_module_init); |
| 703 | module_exit(i82092aa_module_exit); |
| 704 | |