| 1 |
62 |
marcus.erl |
/*
|
| 2 |
|
|
* A driver for the PCMCIA Smartcard Reader "Omnikey CardMan Mobile 4000"
|
| 3 |
|
|
*
|
| 4 |
|
|
* cm4000_cs.c support.linux@omnikey.com
|
| 5 |
|
|
*
|
| 6 |
|
|
* Tue Oct 23 11:32:43 GMT 2001 herp - cleaned up header files
|
| 7 |
|
|
* Sun Jan 20 10:11:15 MET 2002 herp - added modversion header files
|
| 8 |
|
|
* Thu Nov 14 16:34:11 GMT 2002 mh - added PPS functionality
|
| 9 |
|
|
* Tue Nov 19 16:36:27 GMT 2002 mh - added SUSPEND/RESUME functionailty
|
| 10 |
|
|
* Wed Jul 28 12:55:01 CEST 2004 mh - kernel 2.6 adjustments
|
| 11 |
|
|
*
|
| 12 |
|
|
* current version: 2.4.0gm4
|
| 13 |
|
|
*
|
| 14 |
|
|
* (C) 2000,2001,2002,2003,2004 Omnikey AG
|
| 15 |
|
|
*
|
| 16 |
|
|
* (C) 2005-2006 Harald Welte <laforge@gnumonks.org>
|
| 17 |
|
|
* - Adhere to Kernel CodingStyle
|
| 18 |
|
|
* - Port to 2.6.13 "new" style PCMCIA
|
| 19 |
|
|
* - Check for copy_{from,to}_user return values
|
| 20 |
|
|
* - Use nonseekable_open()
|
| 21 |
|
|
* - add class interface for udev device creation
|
| 22 |
|
|
*
|
| 23 |
|
|
* All rights reserved. Licensed under dual BSD/GPL license.
|
| 24 |
|
|
*/
|
| 25 |
|
|
|
| 26 |
|
|
/* #define PCMCIA_DEBUG 6 */
|
| 27 |
|
|
|
| 28 |
|
|
#include <linux/kernel.h>
|
| 29 |
|
|
#include <linux/module.h>
|
| 30 |
|
|
#include <linux/slab.h>
|
| 31 |
|
|
#include <linux/init.h>
|
| 32 |
|
|
#include <linux/fs.h>
|
| 33 |
|
|
#include <linux/delay.h>
|
| 34 |
|
|
#include <linux/bitrev.h>
|
| 35 |
|
|
#include <asm/uaccess.h>
|
| 36 |
|
|
#include <asm/io.h>
|
| 37 |
|
|
|
| 38 |
|
|
#include <pcmcia/cs_types.h>
|
| 39 |
|
|
#include <pcmcia/cs.h>
|
| 40 |
|
|
#include <pcmcia/cistpl.h>
|
| 41 |
|
|
#include <pcmcia/cisreg.h>
|
| 42 |
|
|
#include <pcmcia/ciscode.h>
|
| 43 |
|
|
#include <pcmcia/ds.h>
|
| 44 |
|
|
|
| 45 |
|
|
#include <linux/cm4000_cs.h>
|
| 46 |
|
|
|
| 47 |
|
|
/* #define ATR_CSUM */
|
| 48 |
|
|
|
| 49 |
|
|
#ifdef PCMCIA_DEBUG
|
| 50 |
|
|
#define reader_to_dev(x) (&handle_to_dev(x->p_dev))
|
| 51 |
|
|
static int pc_debug = PCMCIA_DEBUG;
|
| 52 |
|
|
module_param(pc_debug, int, 0600);
|
| 53 |
|
|
#define DEBUGP(n, rdr, x, args...) do { \
|
| 54 |
|
|
if (pc_debug >= (n)) \
|
| 55 |
|
|
dev_printk(KERN_DEBUG, reader_to_dev(rdr), "%s:" x, \
|
| 56 |
|
|
__FUNCTION__ , ## args); \
|
| 57 |
|
|
} while (0)
|
| 58 |
|
|
#else
|
| 59 |
|
|
#define DEBUGP(n, rdr, x, args...)
|
| 60 |
|
|
#endif
|
| 61 |
|
|
static char *version = "cm4000_cs.c v2.4.0gm6 - All bugs added by Harald Welte";
|
| 62 |
|
|
|
| 63 |
|
|
#define T_1SEC (HZ)
|
| 64 |
|
|
#define T_10MSEC msecs_to_jiffies(10)
|
| 65 |
|
|
#define T_20MSEC msecs_to_jiffies(20)
|
| 66 |
|
|
#define T_40MSEC msecs_to_jiffies(40)
|
| 67 |
|
|
#define T_50MSEC msecs_to_jiffies(50)
|
| 68 |
|
|
#define T_100MSEC msecs_to_jiffies(100)
|
| 69 |
|
|
#define T_500MSEC msecs_to_jiffies(500)
|
| 70 |
|
|
|
| 71 |
|
|
static void cm4000_release(struct pcmcia_device *link);
|
| 72 |
|
|
|
| 73 |
|
|
static int major; /* major number we get from the kernel */
|
| 74 |
|
|
|
| 75 |
|
|
/* note: the first state has to have number 0 always */
|
| 76 |
|
|
|
| 77 |
|
|
#define M_FETCH_ATR 0
|
| 78 |
|
|
#define M_TIMEOUT_WAIT 1
|
| 79 |
|
|
#define M_READ_ATR_LEN 2
|
| 80 |
|
|
#define M_READ_ATR 3
|
| 81 |
|
|
#define M_ATR_PRESENT 4
|
| 82 |
|
|
#define M_BAD_CARD 5
|
| 83 |
|
|
#define M_CARDOFF 6
|
| 84 |
|
|
|
| 85 |
|
|
#define LOCK_IO 0
|
| 86 |
|
|
#define LOCK_MONITOR 1
|
| 87 |
|
|
|
| 88 |
|
|
#define IS_AUTOPPS_ACT 6
|
| 89 |
|
|
#define IS_PROCBYTE_PRESENT 7
|
| 90 |
|
|
#define IS_INVREV 8
|
| 91 |
|
|
#define IS_ANY_T0 9
|
| 92 |
|
|
#define IS_ANY_T1 10
|
| 93 |
|
|
#define IS_ATR_PRESENT 11
|
| 94 |
|
|
#define IS_ATR_VALID 12
|
| 95 |
|
|
#define IS_CMM_ABSENT 13
|
| 96 |
|
|
#define IS_BAD_LENGTH 14
|
| 97 |
|
|
#define IS_BAD_CSUM 15
|
| 98 |
|
|
#define IS_BAD_CARD 16
|
| 99 |
|
|
|
| 100 |
|
|
#define REG_FLAGS0(x) (x + 0)
|
| 101 |
|
|
#define REG_FLAGS1(x) (x + 1)
|
| 102 |
|
|
#define REG_NUM_BYTES(x) (x + 2)
|
| 103 |
|
|
#define REG_BUF_ADDR(x) (x + 3)
|
| 104 |
|
|
#define REG_BUF_DATA(x) (x + 4)
|
| 105 |
|
|
#define REG_NUM_SEND(x) (x + 5)
|
| 106 |
|
|
#define REG_BAUDRATE(x) (x + 6)
|
| 107 |
|
|
#define REG_STOPBITS(x) (x + 7)
|
| 108 |
|
|
|
| 109 |
|
|
struct cm4000_dev {
|
| 110 |
|
|
struct pcmcia_device *p_dev;
|
| 111 |
|
|
dev_node_t node; /* OS node (major,minor) */
|
| 112 |
|
|
|
| 113 |
|
|
unsigned char atr[MAX_ATR];
|
| 114 |
|
|
unsigned char rbuf[512];
|
| 115 |
|
|
unsigned char sbuf[512];
|
| 116 |
|
|
|
| 117 |
|
|
wait_queue_head_t devq; /* when removing cardman must not be
|
| 118 |
|
|
zeroed! */
|
| 119 |
|
|
|
| 120 |
|
|
wait_queue_head_t ioq; /* if IO is locked, wait on this Q */
|
| 121 |
|
|
wait_queue_head_t atrq; /* wait for ATR valid */
|
| 122 |
|
|
wait_queue_head_t readq; /* used by write to wake blk.read */
|
| 123 |
|
|
|
| 124 |
|
|
/* warning: do not move this fields.
|
| 125 |
|
|
* initialising to zero depends on it - see ZERO_DEV below. */
|
| 126 |
|
|
unsigned char atr_csum;
|
| 127 |
|
|
unsigned char atr_len_retry;
|
| 128 |
|
|
unsigned short atr_len;
|
| 129 |
|
|
unsigned short rlen; /* bytes avail. after write */
|
| 130 |
|
|
unsigned short rpos; /* latest read pos. write zeroes */
|
| 131 |
|
|
unsigned char procbyte; /* T=0 procedure byte */
|
| 132 |
|
|
unsigned char mstate; /* state of card monitor */
|
| 133 |
|
|
unsigned char cwarn; /* slow down warning */
|
| 134 |
|
|
unsigned char flags0; /* cardman IO-flags 0 */
|
| 135 |
|
|
unsigned char flags1; /* cardman IO-flags 1 */
|
| 136 |
|
|
unsigned int mdelay; /* variable monitor speeds, in jiffies */
|
| 137 |
|
|
|
| 138 |
|
|
unsigned int baudv; /* baud value for speed */
|
| 139 |
|
|
unsigned char ta1;
|
| 140 |
|
|
unsigned char proto; /* T=0, T=1, ... */
|
| 141 |
|
|
unsigned long flags; /* lock+flags (MONITOR,IO,ATR) * for concurrent
|
| 142 |
|
|
access */
|
| 143 |
|
|
|
| 144 |
|
|
unsigned char pts[4];
|
| 145 |
|
|
|
| 146 |
|
|
struct timer_list timer; /* used to keep monitor running */
|
| 147 |
|
|
int monitor_running;
|
| 148 |
|
|
};
|
| 149 |
|
|
|
| 150 |
|
|
#define ZERO_DEV(dev) \
|
| 151 |
|
|
memset(&dev->atr_csum,0, \
|
| 152 |
|
|
sizeof(struct cm4000_dev) - \
|
| 153 |
|
|
offsetof(struct cm4000_dev, atr_csum))
|
| 154 |
|
|
|
| 155 |
|
|
static struct pcmcia_device *dev_table[CM4000_MAX_DEV];
|
| 156 |
|
|
static struct class *cmm_class;
|
| 157 |
|
|
|
| 158 |
|
|
/* This table doesn't use spaces after the comma between fields and thus
|
| 159 |
|
|
* violates CodingStyle. However, I don't really think wrapping it around will
|
| 160 |
|
|
* make it any clearer to read -HW */
|
| 161 |
|
|
static unsigned char fi_di_table[10][14] = {
|
| 162 |
|
|
/*FI 00 01 02 03 04 05 06 07 08 09 10 11 12 13 */
|
| 163 |
|
|
/*DI */
|
| 164 |
|
|
/* 0 */ {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11},
|
| 165 |
|
|
/* 1 */ {0x01,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x91,0x11,0x11,0x11,0x11},
|
| 166 |
|
|
/* 2 */ {0x02,0x12,0x22,0x32,0x11,0x11,0x11,0x11,0x11,0x92,0xA2,0xB2,0x11,0x11},
|
| 167 |
|
|
/* 3 */ {0x03,0x13,0x23,0x33,0x43,0x53,0x63,0x11,0x11,0x93,0xA3,0xB3,0xC3,0xD3},
|
| 168 |
|
|
/* 4 */ {0x04,0x14,0x24,0x34,0x44,0x54,0x64,0x11,0x11,0x94,0xA4,0xB4,0xC4,0xD4},
|
| 169 |
|
|
/* 5 */ {0x00,0x15,0x25,0x35,0x45,0x55,0x65,0x11,0x11,0x95,0xA5,0xB5,0xC5,0xD5},
|
| 170 |
|
|
/* 6 */ {0x06,0x16,0x26,0x36,0x46,0x56,0x66,0x11,0x11,0x96,0xA6,0xB6,0xC6,0xD6},
|
| 171 |
|
|
/* 7 */ {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11},
|
| 172 |
|
|
/* 8 */ {0x08,0x11,0x28,0x38,0x48,0x58,0x68,0x11,0x11,0x98,0xA8,0xB8,0xC8,0xD8},
|
| 173 |
|
|
/* 9 */ {0x09,0x19,0x29,0x39,0x49,0x59,0x69,0x11,0x11,0x99,0xA9,0xB9,0xC9,0xD9}
|
| 174 |
|
|
};
|
| 175 |
|
|
|
| 176 |
|
|
#ifndef PCMCIA_DEBUG
|
| 177 |
|
|
#define xoutb outb
|
| 178 |
|
|
#define xinb inb
|
| 179 |
|
|
#else
|
| 180 |
|
|
static inline void xoutb(unsigned char val, unsigned short port)
|
| 181 |
|
|
{
|
| 182 |
|
|
if (pc_debug >= 7)
|
| 183 |
|
|
printk(KERN_DEBUG "outb(val=%.2x,port=%.4x)\n", val, port);
|
| 184 |
|
|
outb(val, port);
|
| 185 |
|
|
}
|
| 186 |
|
|
static inline unsigned char xinb(unsigned short port)
|
| 187 |
|
|
{
|
| 188 |
|
|
unsigned char val;
|
| 189 |
|
|
|
| 190 |
|
|
val = inb(port);
|
| 191 |
|
|
if (pc_debug >= 7)
|
| 192 |
|
|
printk(KERN_DEBUG "%.2x=inb(%.4x)\n", val, port);
|
| 193 |
|
|
|
| 194 |
|
|
return val;
|
| 195 |
|
|
}
|
| 196 |
|
|
#endif
|
| 197 |
|
|
|
| 198 |
|
|
static inline unsigned char invert_revert(unsigned char ch)
|
| 199 |
|
|
{
|
| 200 |
|
|
return bitrev8(~ch);
|
| 201 |
|
|
}
|
| 202 |
|
|
|
| 203 |
|
|
static void str_invert_revert(unsigned char *b, int len)
|
| 204 |
|
|
{
|
| 205 |
|
|
int i;
|
| 206 |
|
|
|
| 207 |
|
|
for (i = 0; i < len; i++)
|
| 208 |
|
|
b[i] = invert_revert(b[i]);
|
| 209 |
|
|
}
|
| 210 |
|
|
|
| 211 |
|
|
#define ATRLENCK(dev,pos) \
|
| 212 |
|
|
if (pos>=dev->atr_len || pos>=MAX_ATR) \
|
| 213 |
|
|
goto return_0;
|
| 214 |
|
|
|
| 215 |
|
|
static unsigned int calc_baudv(unsigned char fidi)
|
| 216 |
|
|
{
|
| 217 |
|
|
unsigned int wcrcf, wbrcf, fi_rfu, di_rfu;
|
| 218 |
|
|
|
| 219 |
|
|
fi_rfu = 372;
|
| 220 |
|
|
di_rfu = 1;
|
| 221 |
|
|
|
| 222 |
|
|
/* FI */
|
| 223 |
|
|
switch ((fidi >> 4) & 0x0F) {
|
| 224 |
|
|
case 0x00:
|
| 225 |
|
|
wcrcf = 372;
|
| 226 |
|
|
break;
|
| 227 |
|
|
case 0x01:
|
| 228 |
|
|
wcrcf = 372;
|
| 229 |
|
|
break;
|
| 230 |
|
|
case 0x02:
|
| 231 |
|
|
wcrcf = 558;
|
| 232 |
|
|
break;
|
| 233 |
|
|
case 0x03:
|
| 234 |
|
|
wcrcf = 744;
|
| 235 |
|
|
break;
|
| 236 |
|
|
case 0x04:
|
| 237 |
|
|
wcrcf = 1116;
|
| 238 |
|
|
break;
|
| 239 |
|
|
case 0x05:
|
| 240 |
|
|
wcrcf = 1488;
|
| 241 |
|
|
break;
|
| 242 |
|
|
case 0x06:
|
| 243 |
|
|
wcrcf = 1860;
|
| 244 |
|
|
break;
|
| 245 |
|
|
case 0x07:
|
| 246 |
|
|
wcrcf = fi_rfu;
|
| 247 |
|
|
break;
|
| 248 |
|
|
case 0x08:
|
| 249 |
|
|
wcrcf = fi_rfu;
|
| 250 |
|
|
break;
|
| 251 |
|
|
case 0x09:
|
| 252 |
|
|
wcrcf = 512;
|
| 253 |
|
|
break;
|
| 254 |
|
|
case 0x0A:
|
| 255 |
|
|
wcrcf = 768;
|
| 256 |
|
|
break;
|
| 257 |
|
|
case 0x0B:
|
| 258 |
|
|
wcrcf = 1024;
|
| 259 |
|
|
break;
|
| 260 |
|
|
case 0x0C:
|
| 261 |
|
|
wcrcf = 1536;
|
| 262 |
|
|
break;
|
| 263 |
|
|
case 0x0D:
|
| 264 |
|
|
wcrcf = 2048;
|
| 265 |
|
|
break;
|
| 266 |
|
|
default:
|
| 267 |
|
|
wcrcf = fi_rfu;
|
| 268 |
|
|
break;
|
| 269 |
|
|
}
|
| 270 |
|
|
|
| 271 |
|
|
/* DI */
|
| 272 |
|
|
switch (fidi & 0x0F) {
|
| 273 |
|
|
case 0x00:
|
| 274 |
|
|
wbrcf = di_rfu;
|
| 275 |
|
|
break;
|
| 276 |
|
|
case 0x01:
|
| 277 |
|
|
wbrcf = 1;
|
| 278 |
|
|
break;
|
| 279 |
|
|
case 0x02:
|
| 280 |
|
|
wbrcf = 2;
|
| 281 |
|
|
break;
|
| 282 |
|
|
case 0x03:
|
| 283 |
|
|
wbrcf = 4;
|
| 284 |
|
|
break;
|
| 285 |
|
|
case 0x04:
|
| 286 |
|
|
wbrcf = 8;
|
| 287 |
|
|
break;
|
| 288 |
|
|
case 0x05:
|
| 289 |
|
|
wbrcf = 16;
|
| 290 |
|
|
break;
|
| 291 |
|
|
case 0x06:
|
| 292 |
|
|
wbrcf = 32;
|
| 293 |
|
|
break;
|
| 294 |
|
|
case 0x07:
|
| 295 |
|
|
wbrcf = di_rfu;
|
| 296 |
|
|
break;
|
| 297 |
|
|
case 0x08:
|
| 298 |
|
|
wbrcf = 12;
|
| 299 |
|
|
break;
|
| 300 |
|
|
case 0x09:
|
| 301 |
|
|
wbrcf = 20;
|
| 302 |
|
|
break;
|
| 303 |
|
|
default:
|
| 304 |
|
|
wbrcf = di_rfu;
|
| 305 |
|
|
break;
|
| 306 |
|
|
}
|
| 307 |
|
|
|
| 308 |
|
|
return (wcrcf / wbrcf);
|
| 309 |
|
|
}
|
| 310 |
|
|
|
| 311 |
|
|
static unsigned short io_read_num_rec_bytes(ioaddr_t iobase, unsigned short *s)
|
| 312 |
|
|
{
|
| 313 |
|
|
unsigned short tmp;
|
| 314 |
|
|
|
| 315 |
|
|
tmp = *s = 0;
|
| 316 |
|
|
do {
|
| 317 |
|
|
*s = tmp;
|
| 318 |
|
|
tmp = inb(REG_NUM_BYTES(iobase)) |
|
| 319 |
|
|
(inb(REG_FLAGS0(iobase)) & 4 ? 0x100 : 0);
|
| 320 |
|
|
} while (tmp != *s);
|
| 321 |
|
|
|
| 322 |
|
|
return *s;
|
| 323 |
|
|
}
|
| 324 |
|
|
|
| 325 |
|
|
static int parse_atr(struct cm4000_dev *dev)
|
| 326 |
|
|
{
|
| 327 |
|
|
unsigned char any_t1, any_t0;
|
| 328 |
|
|
unsigned char ch, ifno;
|
| 329 |
|
|
int ix, done;
|
| 330 |
|
|
|
| 331 |
|
|
DEBUGP(3, dev, "-> parse_atr: dev->atr_len = %i\n", dev->atr_len);
|
| 332 |
|
|
|
| 333 |
|
|
if (dev->atr_len < 3) {
|
| 334 |
|
|
DEBUGP(5, dev, "parse_atr: atr_len < 3\n");
|
| 335 |
|
|
return 0;
|
| 336 |
|
|
}
|
| 337 |
|
|
|
| 338 |
|
|
if (dev->atr[0] == 0x3f)
|
| 339 |
|
|
set_bit(IS_INVREV, &dev->flags);
|
| 340 |
|
|
else
|
| 341 |
|
|
clear_bit(IS_INVREV, &dev->flags);
|
| 342 |
|
|
ix = 1;
|
| 343 |
|
|
ifno = 1;
|
| 344 |
|
|
ch = dev->atr[1];
|
| 345 |
|
|
dev->proto = 0; /* XXX PROTO */
|
| 346 |
|
|
any_t1 = any_t0 = done = 0;
|
| 347 |
|
|
dev->ta1 = 0x11; /* defaults to 9600 baud */
|
| 348 |
|
|
do {
|
| 349 |
|
|
if (ifno == 1 && (ch & 0x10)) {
|
| 350 |
|
|
/* read first interface byte and TA1 is present */
|
| 351 |
|
|
dev->ta1 = dev->atr[2];
|
| 352 |
|
|
DEBUGP(5, dev, "Card says FiDi is 0x%.2x\n", dev->ta1);
|
| 353 |
|
|
ifno++;
|
| 354 |
|
|
} else if ((ifno == 2) && (ch & 0x10)) { /* TA(2) */
|
| 355 |
|
|
dev->ta1 = 0x11;
|
| 356 |
|
|
ifno++;
|
| 357 |
|
|
}
|
| 358 |
|
|
|
| 359 |
|
|
DEBUGP(5, dev, "Yi=%.2x\n", ch & 0xf0);
|
| 360 |
|
|
ix += ((ch & 0x10) >> 4) /* no of int.face chars */
|
| 361 |
|
|
+((ch & 0x20) >> 5)
|
| 362 |
|
|
+ ((ch & 0x40) >> 6)
|
| 363 |
|
|
+ ((ch & 0x80) >> 7);
|
| 364 |
|
|
/* ATRLENCK(dev,ix); */
|
| 365 |
|
|
if (ch & 0x80) { /* TDi */
|
| 366 |
|
|
ch = dev->atr[ix];
|
| 367 |
|
|
if ((ch & 0x0f)) {
|
| 368 |
|
|
any_t1 = 1;
|
| 369 |
|
|
DEBUGP(5, dev, "card is capable of T=1\n");
|
| 370 |
|
|
} else {
|
| 371 |
|
|
any_t0 = 1;
|
| 372 |
|
|
DEBUGP(5, dev, "card is capable of T=0\n");
|
| 373 |
|
|
}
|
| 374 |
|
|
} else
|
| 375 |
|
|
done = 1;
|
| 376 |
|
|
} while (!done);
|
| 377 |
|
|
|
| 378 |
|
|
DEBUGP(5, dev, "ix=%d noHist=%d any_t1=%d\n",
|
| 379 |
|
|
ix, dev->atr[1] & 15, any_t1);
|
| 380 |
|
|
if (ix + 1 + (dev->atr[1] & 0x0f) + any_t1 != dev->atr_len) {
|
| 381 |
|
|
DEBUGP(5, dev, "length error\n");
|
| 382 |
|
|
return 0;
|
| 383 |
|
|
}
|
| 384 |
|
|
if (any_t0)
|
| 385 |
|
|
set_bit(IS_ANY_T0, &dev->flags);
|
| 386 |
|
|
|
| 387 |
|
|
if (any_t1) { /* compute csum */
|
| 388 |
|
|
dev->atr_csum = 0;
|
| 389 |
|
|
#ifdef ATR_CSUM
|
| 390 |
|
|
for (i = 1; i < dev->atr_len; i++)
|
| 391 |
|
|
dev->atr_csum ^= dev->atr[i];
|
| 392 |
|
|
if (dev->atr_csum) {
|
| 393 |
|
|
set_bit(IS_BAD_CSUM, &dev->flags);
|
| 394 |
|
|
DEBUGP(5, dev, "bad checksum\n");
|
| 395 |
|
|
goto return_0;
|
| 396 |
|
|
}
|
| 397 |
|
|
#endif
|
| 398 |
|
|
if (any_t0 == 0)
|
| 399 |
|
|
dev->proto = 1; /* XXX PROTO */
|
| 400 |
|
|
set_bit(IS_ANY_T1, &dev->flags);
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
return 1;
|
| 404 |
|
|
}
|
| 405 |
|
|
|
| 406 |
|
|
struct card_fixup {
|
| 407 |
|
|
char atr[12];
|
| 408 |
|
|
u_int8_t atr_len;
|
| 409 |
|
|
u_int8_t stopbits;
|
| 410 |
|
|
};
|
| 411 |
|
|
|
| 412 |
|
|
static struct card_fixup card_fixups[] = {
|
| 413 |
|
|
{ /* ACOS */
|
| 414 |
|
|
.atr = { 0x3b, 0xb3, 0x11, 0x00, 0x00, 0x41, 0x01 },
|
| 415 |
|
|
.atr_len = 7,
|
| 416 |
|
|
.stopbits = 0x03,
|
| 417 |
|
|
},
|
| 418 |
|
|
{ /* Motorola */
|
| 419 |
|
|
.atr = {0x3b, 0x76, 0x13, 0x00, 0x00, 0x80, 0x62, 0x07,
|
| 420 |
|
|
0x41, 0x81, 0x81 },
|
| 421 |
|
|
.atr_len = 11,
|
| 422 |
|
|
.stopbits = 0x04,
|
| 423 |
|
|
},
|
| 424 |
|
|
};
|
| 425 |
|
|
|
| 426 |
|
|
static void set_cardparameter(struct cm4000_dev *dev)
|
| 427 |
|
|
{
|
| 428 |
|
|
int i;
|
| 429 |
|
|
ioaddr_t iobase = dev->p_dev->io.BasePort1;
|
| 430 |
|
|
u_int8_t stopbits = 0x02; /* ISO default */
|
| 431 |
|
|
|
| 432 |
|
|
DEBUGP(3, dev, "-> set_cardparameter\n");
|
| 433 |
|
|
|
| 434 |
|
|
dev->flags1 = dev->flags1 | (((dev->baudv - 1) & 0x0100) >> 8);
|
| 435 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 436 |
|
|
DEBUGP(5, dev, "flags1 = 0x%02x\n", dev->flags1);
|
| 437 |
|
|
|
| 438 |
|
|
/* set baudrate */
|
| 439 |
|
|
xoutb((unsigned char)((dev->baudv - 1) & 0xFF), REG_BAUDRATE(iobase));
|
| 440 |
|
|
|
| 441 |
|
|
DEBUGP(5, dev, "baudv = %i -> write 0x%02x\n", dev->baudv,
|
| 442 |
|
|
((dev->baudv - 1) & 0xFF));
|
| 443 |
|
|
|
| 444 |
|
|
/* set stopbits */
|
| 445 |
|
|
for (i = 0; i < ARRAY_SIZE(card_fixups); i++) {
|
| 446 |
|
|
if (!memcmp(dev->atr, card_fixups[i].atr,
|
| 447 |
|
|
card_fixups[i].atr_len))
|
| 448 |
|
|
stopbits = card_fixups[i].stopbits;
|
| 449 |
|
|
}
|
| 450 |
|
|
xoutb(stopbits, REG_STOPBITS(iobase));
|
| 451 |
|
|
|
| 452 |
|
|
DEBUGP(3, dev, "<- set_cardparameter\n");
|
| 453 |
|
|
}
|
| 454 |
|
|
|
| 455 |
|
|
static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq)
|
| 456 |
|
|
{
|
| 457 |
|
|
|
| 458 |
|
|
unsigned long tmp, i;
|
| 459 |
|
|
unsigned short num_bytes_read;
|
| 460 |
|
|
unsigned char pts_reply[4];
|
| 461 |
|
|
ssize_t rc;
|
| 462 |
|
|
ioaddr_t iobase = dev->p_dev->io.BasePort1;
|
| 463 |
|
|
|
| 464 |
|
|
rc = 0;
|
| 465 |
|
|
|
| 466 |
|
|
DEBUGP(3, dev, "-> set_protocol\n");
|
| 467 |
|
|
DEBUGP(5, dev, "ptsreq->Protocol = 0x%.8x, ptsreq->Flags=0x%.8x, "
|
| 468 |
|
|
"ptsreq->pts1=0x%.2x, ptsreq->pts2=0x%.2x, "
|
| 469 |
|
|
"ptsreq->pts3=0x%.2x\n", (unsigned int)ptsreq->protocol,
|
| 470 |
|
|
(unsigned int)ptsreq->flags, ptsreq->pts1, ptsreq->pts2,
|
| 471 |
|
|
ptsreq->pts3);
|
| 472 |
|
|
|
| 473 |
|
|
/* Fill PTS structure */
|
| 474 |
|
|
dev->pts[0] = 0xff;
|
| 475 |
|
|
dev->pts[1] = 0x00;
|
| 476 |
|
|
tmp = ptsreq->protocol;
|
| 477 |
|
|
while ((tmp = (tmp >> 1)) > 0)
|
| 478 |
|
|
dev->pts[1]++;
|
| 479 |
|
|
dev->proto = dev->pts[1]; /* Set new protocol */
|
| 480 |
|
|
dev->pts[1] = (0x01 << 4) | (dev->pts[1]);
|
| 481 |
|
|
|
| 482 |
|
|
/* Correct Fi/Di according to CM4000 Fi/Di table */
|
| 483 |
|
|
DEBUGP(5, dev, "Ta(1) from ATR is 0x%.2x\n", dev->ta1);
|
| 484 |
|
|
/* set Fi/Di according to ATR TA(1) */
|
| 485 |
|
|
dev->pts[2] = fi_di_table[dev->ta1 & 0x0F][(dev->ta1 >> 4) & 0x0F];
|
| 486 |
|
|
|
| 487 |
|
|
/* Calculate PCK character */
|
| 488 |
|
|
dev->pts[3] = dev->pts[0] ^ dev->pts[1] ^ dev->pts[2];
|
| 489 |
|
|
|
| 490 |
|
|
DEBUGP(5, dev, "pts0=%.2x, pts1=%.2x, pts2=%.2x, pts3=%.2x\n",
|
| 491 |
|
|
dev->pts[0], dev->pts[1], dev->pts[2], dev->pts[3]);
|
| 492 |
|
|
|
| 493 |
|
|
/* check card convention */
|
| 494 |
|
|
if (test_bit(IS_INVREV, &dev->flags))
|
| 495 |
|
|
str_invert_revert(dev->pts, 4);
|
| 496 |
|
|
|
| 497 |
|
|
/* reset SM */
|
| 498 |
|
|
xoutb(0x80, REG_FLAGS0(iobase));
|
| 499 |
|
|
|
| 500 |
|
|
/* Enable access to the message buffer */
|
| 501 |
|
|
DEBUGP(5, dev, "Enable access to the messages buffer\n");
|
| 502 |
|
|
dev->flags1 = 0x20 /* T_Active */
|
| 503 |
|
|
| (test_bit(IS_INVREV, &dev->flags) ? 0x02 : 0x00) /* inv parity */
|
| 504 |
|
|
| ((dev->baudv >> 8) & 0x01); /* MSB-baud */
|
| 505 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 506 |
|
|
|
| 507 |
|
|
DEBUGP(5, dev, "Enable message buffer -> flags1 = 0x%.2x\n",
|
| 508 |
|
|
dev->flags1);
|
| 509 |
|
|
|
| 510 |
|
|
/* write challenge to the buffer */
|
| 511 |
|
|
DEBUGP(5, dev, "Write challenge to buffer: ");
|
| 512 |
|
|
for (i = 0; i < 4; i++) {
|
| 513 |
|
|
xoutb(i, REG_BUF_ADDR(iobase));
|
| 514 |
|
|
xoutb(dev->pts[i], REG_BUF_DATA(iobase)); /* buf data */
|
| 515 |
|
|
#ifdef PCMCIA_DEBUG
|
| 516 |
|
|
if (pc_debug >= 5)
|
| 517 |
|
|
printk("0x%.2x ", dev->pts[i]);
|
| 518 |
|
|
}
|
| 519 |
|
|
if (pc_debug >= 5)
|
| 520 |
|
|
printk("\n");
|
| 521 |
|
|
#else
|
| 522 |
|
|
}
|
| 523 |
|
|
#endif
|
| 524 |
|
|
|
| 525 |
|
|
/* set number of bytes to write */
|
| 526 |
|
|
DEBUGP(5, dev, "Set number of bytes to write\n");
|
| 527 |
|
|
xoutb(0x04, REG_NUM_SEND(iobase));
|
| 528 |
|
|
|
| 529 |
|
|
/* Trigger CARDMAN CONTROLLER */
|
| 530 |
|
|
xoutb(0x50, REG_FLAGS0(iobase));
|
| 531 |
|
|
|
| 532 |
|
|
/* Monitor progress */
|
| 533 |
|
|
/* wait for xmit done */
|
| 534 |
|
|
DEBUGP(5, dev, "Waiting for NumRecBytes getting valid\n");
|
| 535 |
|
|
|
| 536 |
|
|
for (i = 0; i < 100; i++) {
|
| 537 |
|
|
if (inb(REG_FLAGS0(iobase)) & 0x08) {
|
| 538 |
|
|
DEBUGP(5, dev, "NumRecBytes is valid\n");
|
| 539 |
|
|
break;
|
| 540 |
|
|
}
|
| 541 |
|
|
mdelay(10);
|
| 542 |
|
|
}
|
| 543 |
|
|
if (i == 100) {
|
| 544 |
|
|
DEBUGP(5, dev, "Timeout waiting for NumRecBytes getting "
|
| 545 |
|
|
"valid\n");
|
| 546 |
|
|
rc = -EIO;
|
| 547 |
|
|
goto exit_setprotocol;
|
| 548 |
|
|
}
|
| 549 |
|
|
|
| 550 |
|
|
DEBUGP(5, dev, "Reading NumRecBytes\n");
|
| 551 |
|
|
for (i = 0; i < 100; i++) {
|
| 552 |
|
|
io_read_num_rec_bytes(iobase, &num_bytes_read);
|
| 553 |
|
|
if (num_bytes_read >= 4) {
|
| 554 |
|
|
DEBUGP(2, dev, "NumRecBytes = %i\n", num_bytes_read);
|
| 555 |
|
|
break;
|
| 556 |
|
|
}
|
| 557 |
|
|
mdelay(10);
|
| 558 |
|
|
}
|
| 559 |
|
|
|
| 560 |
|
|
/* check whether it is a short PTS reply? */
|
| 561 |
|
|
if (num_bytes_read == 3)
|
| 562 |
|
|
i = 0;
|
| 563 |
|
|
|
| 564 |
|
|
if (i == 100) {
|
| 565 |
|
|
DEBUGP(5, dev, "Timeout reading num_bytes_read\n");
|
| 566 |
|
|
rc = -EIO;
|
| 567 |
|
|
goto exit_setprotocol;
|
| 568 |
|
|
}
|
| 569 |
|
|
|
| 570 |
|
|
DEBUGP(5, dev, "Reset the CARDMAN CONTROLLER\n");
|
| 571 |
|
|
xoutb(0x80, REG_FLAGS0(iobase));
|
| 572 |
|
|
|
| 573 |
|
|
/* Read PPS reply */
|
| 574 |
|
|
DEBUGP(5, dev, "Read PPS reply\n");
|
| 575 |
|
|
for (i = 0; i < num_bytes_read; i++) {
|
| 576 |
|
|
xoutb(i, REG_BUF_ADDR(iobase));
|
| 577 |
|
|
pts_reply[i] = inb(REG_BUF_DATA(iobase));
|
| 578 |
|
|
}
|
| 579 |
|
|
|
| 580 |
|
|
#ifdef PCMCIA_DEBUG
|
| 581 |
|
|
DEBUGP(2, dev, "PTSreply: ");
|
| 582 |
|
|
for (i = 0; i < num_bytes_read; i++) {
|
| 583 |
|
|
if (pc_debug >= 5)
|
| 584 |
|
|
printk("0x%.2x ", pts_reply[i]);
|
| 585 |
|
|
}
|
| 586 |
|
|
printk("\n");
|
| 587 |
|
|
#endif /* PCMCIA_DEBUG */
|
| 588 |
|
|
|
| 589 |
|
|
DEBUGP(5, dev, "Clear Tactive in Flags1\n");
|
| 590 |
|
|
xoutb(0x20, REG_FLAGS1(iobase));
|
| 591 |
|
|
|
| 592 |
|
|
/* Compare ptsreq and ptsreply */
|
| 593 |
|
|
if ((dev->pts[0] == pts_reply[0]) &&
|
| 594 |
|
|
(dev->pts[1] == pts_reply[1]) &&
|
| 595 |
|
|
(dev->pts[2] == pts_reply[2]) && (dev->pts[3] == pts_reply[3])) {
|
| 596 |
|
|
/* setcardparameter according to PPS */
|
| 597 |
|
|
dev->baudv = calc_baudv(dev->pts[2]);
|
| 598 |
|
|
set_cardparameter(dev);
|
| 599 |
|
|
} else if ((dev->pts[0] == pts_reply[0]) &&
|
| 600 |
|
|
((dev->pts[1] & 0xef) == pts_reply[1]) &&
|
| 601 |
|
|
((pts_reply[0] ^ pts_reply[1]) == pts_reply[2])) {
|
| 602 |
|
|
/* short PTS reply, set card parameter to default values */
|
| 603 |
|
|
dev->baudv = calc_baudv(0x11);
|
| 604 |
|
|
set_cardparameter(dev);
|
| 605 |
|
|
} else
|
| 606 |
|
|
rc = -EIO;
|
| 607 |
|
|
|
| 608 |
|
|
exit_setprotocol:
|
| 609 |
|
|
DEBUGP(3, dev, "<- set_protocol\n");
|
| 610 |
|
|
return rc;
|
| 611 |
|
|
}
|
| 612 |
|
|
|
| 613 |
|
|
static int io_detect_cm4000(ioaddr_t iobase, struct cm4000_dev *dev)
|
| 614 |
|
|
{
|
| 615 |
|
|
|
| 616 |
|
|
/* note: statemachine is assumed to be reset */
|
| 617 |
|
|
if (inb(REG_FLAGS0(iobase)) & 8) {
|
| 618 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 619 |
|
|
set_bit(IS_CMM_ABSENT, &dev->flags);
|
| 620 |
|
|
return 0; /* detect CMM = 1 -> failure */
|
| 621 |
|
|
}
|
| 622 |
|
|
/* xoutb(0x40, REG_FLAGS1(iobase)); detectCMM */
|
| 623 |
|
|
xoutb(dev->flags1 | 0x40, REG_FLAGS1(iobase));
|
| 624 |
|
|
if ((inb(REG_FLAGS0(iobase)) & 8) == 0) {
|
| 625 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 626 |
|
|
set_bit(IS_CMM_ABSENT, &dev->flags);
|
| 627 |
|
|
return 0; /* detect CMM=0 -> failure */
|
| 628 |
|
|
}
|
| 629 |
|
|
/* clear detectCMM again by restoring original flags1 */
|
| 630 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 631 |
|
|
return 1;
|
| 632 |
|
|
}
|
| 633 |
|
|
|
| 634 |
|
|
static void terminate_monitor(struct cm4000_dev *dev)
|
| 635 |
|
|
{
|
| 636 |
|
|
|
| 637 |
|
|
/* tell the monitor to stop and wait until
|
| 638 |
|
|
* it terminates.
|
| 639 |
|
|
*/
|
| 640 |
|
|
DEBUGP(3, dev, "-> terminate_monitor\n");
|
| 641 |
|
|
wait_event_interruptible(dev->devq,
|
| 642 |
|
|
test_and_set_bit(LOCK_MONITOR,
|
| 643 |
|
|
(void *)&dev->flags));
|
| 644 |
|
|
|
| 645 |
|
|
/* now, LOCK_MONITOR has been set.
|
| 646 |
|
|
* allow a last cycle in the monitor.
|
| 647 |
|
|
* the monitor will indicate that it has
|
| 648 |
|
|
* finished by clearing this bit.
|
| 649 |
|
|
*/
|
| 650 |
|
|
DEBUGP(5, dev, "Now allow last cycle of monitor!\n");
|
| 651 |
|
|
while (test_bit(LOCK_MONITOR, (void *)&dev->flags))
|
| 652 |
|
|
msleep(25);
|
| 653 |
|
|
|
| 654 |
|
|
DEBUGP(5, dev, "Delete timer\n");
|
| 655 |
|
|
del_timer_sync(&dev->timer);
|
| 656 |
|
|
#ifdef PCMCIA_DEBUG
|
| 657 |
|
|
dev->monitor_running = 0;
|
| 658 |
|
|
#endif
|
| 659 |
|
|
|
| 660 |
|
|
DEBUGP(3, dev, "<- terminate_monitor\n");
|
| 661 |
|
|
}
|
| 662 |
|
|
|
| 663 |
|
|
/*
|
| 664 |
|
|
* monitor the card every 50msec. as a side-effect, retrieve the
|
| 665 |
|
|
* atr once a card is inserted. another side-effect of retrieving the
|
| 666 |
|
|
* atr is that the card will be powered on, so there is no need to
|
| 667 |
|
|
* power on the card explictely from the application: the driver
|
| 668 |
|
|
* is already doing that for you.
|
| 669 |
|
|
*/
|
| 670 |
|
|
|
| 671 |
|
|
static void monitor_card(unsigned long p)
|
| 672 |
|
|
{
|
| 673 |
|
|
struct cm4000_dev *dev = (struct cm4000_dev *) p;
|
| 674 |
|
|
ioaddr_t iobase = dev->p_dev->io.BasePort1;
|
| 675 |
|
|
unsigned short s;
|
| 676 |
|
|
struct ptsreq ptsreq;
|
| 677 |
|
|
int i, atrc;
|
| 678 |
|
|
|
| 679 |
|
|
DEBUGP(7, dev, "-> monitor_card\n");
|
| 680 |
|
|
|
| 681 |
|
|
/* if someone has set the lock for us: we're done! */
|
| 682 |
|
|
if (test_and_set_bit(LOCK_MONITOR, &dev->flags)) {
|
| 683 |
|
|
DEBUGP(4, dev, "About to stop monitor\n");
|
| 684 |
|
|
/* no */
|
| 685 |
|
|
dev->rlen =
|
| 686 |
|
|
dev->rpos =
|
| 687 |
|
|
dev->atr_csum = dev->atr_len_retry = dev->cwarn = 0;
|
| 688 |
|
|
dev->mstate = M_FETCH_ATR;
|
| 689 |
|
|
clear_bit(LOCK_MONITOR, &dev->flags);
|
| 690 |
|
|
/* close et al. are sleeping on devq, so wake it */
|
| 691 |
|
|
wake_up_interruptible(&dev->devq);
|
| 692 |
|
|
DEBUGP(2, dev, "<- monitor_card (we are done now)\n");
|
| 693 |
|
|
return;
|
| 694 |
|
|
}
|
| 695 |
|
|
|
| 696 |
|
|
/* try to lock io: if it is already locked, just add another timer */
|
| 697 |
|
|
if (test_and_set_bit(LOCK_IO, (void *)&dev->flags)) {
|
| 698 |
|
|
DEBUGP(4, dev, "Couldn't get IO lock\n");
|
| 699 |
|
|
goto return_with_timer;
|
| 700 |
|
|
}
|
| 701 |
|
|
|
| 702 |
|
|
/* is a card/a reader inserted at all ? */
|
| 703 |
|
|
dev->flags0 = xinb(REG_FLAGS0(iobase));
|
| 704 |
|
|
DEBUGP(7, dev, "dev->flags0 = 0x%2x\n", dev->flags0);
|
| 705 |
|
|
DEBUGP(7, dev, "smartcard present: %s\n",
|
| 706 |
|
|
dev->flags0 & 1 ? "yes" : "no");
|
| 707 |
|
|
DEBUGP(7, dev, "cardman present: %s\n",
|
| 708 |
|
|
dev->flags0 == 0xff ? "no" : "yes");
|
| 709 |
|
|
|
| 710 |
|
|
if ((dev->flags0 & 1) == 0 /* no smartcard inserted */
|
| 711 |
|
|
|| dev->flags0 == 0xff) { /* no cardman inserted */
|
| 712 |
|
|
/* no */
|
| 713 |
|
|
dev->rlen =
|
| 714 |
|
|
dev->rpos =
|
| 715 |
|
|
dev->atr_csum = dev->atr_len_retry = dev->cwarn = 0;
|
| 716 |
|
|
dev->mstate = M_FETCH_ATR;
|
| 717 |
|
|
|
| 718 |
|
|
dev->flags &= 0x000000ff; /* only keep IO and MONITOR locks */
|
| 719 |
|
|
|
| 720 |
|
|
if (dev->flags0 == 0xff) {
|
| 721 |
|
|
DEBUGP(4, dev, "set IS_CMM_ABSENT bit\n");
|
| 722 |
|
|
set_bit(IS_CMM_ABSENT, &dev->flags);
|
| 723 |
|
|
} else if (test_bit(IS_CMM_ABSENT, &dev->flags)) {
|
| 724 |
|
|
DEBUGP(4, dev, "clear IS_CMM_ABSENT bit "
|
| 725 |
|
|
"(card is removed)\n");
|
| 726 |
|
|
clear_bit(IS_CMM_ABSENT, &dev->flags);
|
| 727 |
|
|
}
|
| 728 |
|
|
|
| 729 |
|
|
goto release_io;
|
| 730 |
|
|
} else if ((dev->flags0 & 1) && test_bit(IS_CMM_ABSENT, &dev->flags)) {
|
| 731 |
|
|
/* cardman and card present but cardman was absent before
|
| 732 |
|
|
* (after suspend with inserted card) */
|
| 733 |
|
|
DEBUGP(4, dev, "clear IS_CMM_ABSENT bit (card is inserted)\n");
|
| 734 |
|
|
clear_bit(IS_CMM_ABSENT, &dev->flags);
|
| 735 |
|
|
}
|
| 736 |
|
|
|
| 737 |
|
|
if (test_bit(IS_ATR_VALID, &dev->flags) == 1) {
|
| 738 |
|
|
DEBUGP(7, dev, "believe ATR is already valid (do nothing)\n");
|
| 739 |
|
|
goto release_io;
|
| 740 |
|
|
}
|
| 741 |
|
|
|
| 742 |
|
|
switch (dev->mstate) {
|
| 743 |
|
|
unsigned char flags0;
|
| 744 |
|
|
case M_CARDOFF:
|
| 745 |
|
|
DEBUGP(4, dev, "M_CARDOFF\n");
|
| 746 |
|
|
flags0 = inb(REG_FLAGS0(iobase));
|
| 747 |
|
|
if (flags0 & 0x02) {
|
| 748 |
|
|
/* wait until Flags0 indicate power is off */
|
| 749 |
|
|
dev->mdelay = T_10MSEC;
|
| 750 |
|
|
} else {
|
| 751 |
|
|
/* Flags0 indicate power off and no card inserted now;
|
| 752 |
|
|
* Reset CARDMAN CONTROLLER */
|
| 753 |
|
|
xoutb(0x80, REG_FLAGS0(iobase));
|
| 754 |
|
|
|
| 755 |
|
|
/* prepare for fetching ATR again: after card off ATR
|
| 756 |
|
|
* is read again automatically */
|
| 757 |
|
|
dev->rlen =
|
| 758 |
|
|
dev->rpos =
|
| 759 |
|
|
dev->atr_csum =
|
| 760 |
|
|
dev->atr_len_retry = dev->cwarn = 0;
|
| 761 |
|
|
dev->mstate = M_FETCH_ATR;
|
| 762 |
|
|
|
| 763 |
|
|
/* minimal gap between CARDOFF and read ATR is 50msec */
|
| 764 |
|
|
dev->mdelay = T_50MSEC;
|
| 765 |
|
|
}
|
| 766 |
|
|
break;
|
| 767 |
|
|
case M_FETCH_ATR:
|
| 768 |
|
|
DEBUGP(4, dev, "M_FETCH_ATR\n");
|
| 769 |
|
|
xoutb(0x80, REG_FLAGS0(iobase));
|
| 770 |
|
|
DEBUGP(4, dev, "Reset BAUDV to 9600\n");
|
| 771 |
|
|
dev->baudv = 0x173; /* 9600 */
|
| 772 |
|
|
xoutb(0x02, REG_STOPBITS(iobase)); /* stopbits=2 */
|
| 773 |
|
|
xoutb(0x73, REG_BAUDRATE(iobase)); /* baud value */
|
| 774 |
|
|
xoutb(0x21, REG_FLAGS1(iobase)); /* T_Active=1, baud
|
| 775 |
|
|
value */
|
| 776 |
|
|
/* warm start vs. power on: */
|
| 777 |
|
|
xoutb(dev->flags0 & 2 ? 0x46 : 0x44, REG_FLAGS0(iobase));
|
| 778 |
|
|
dev->mdelay = T_40MSEC;
|
| 779 |
|
|
dev->mstate = M_TIMEOUT_WAIT;
|
| 780 |
|
|
break;
|
| 781 |
|
|
case M_TIMEOUT_WAIT:
|
| 782 |
|
|
DEBUGP(4, dev, "M_TIMEOUT_WAIT\n");
|
| 783 |
|
|
/* numRecBytes */
|
| 784 |
|
|
io_read_num_rec_bytes(iobase, &dev->atr_len);
|
| 785 |
|
|
dev->mdelay = T_10MSEC;
|
| 786 |
|
|
dev->mstate = M_READ_ATR_LEN;
|
| 787 |
|
|
break;
|
| 788 |
|
|
case M_READ_ATR_LEN:
|
| 789 |
|
|
DEBUGP(4, dev, "M_READ_ATR_LEN\n");
|
| 790 |
|
|
/* infinite loop possible, since there is no timeout */
|
| 791 |
|
|
|
| 792 |
|
|
#define MAX_ATR_LEN_RETRY 100
|
| 793 |
|
|
|
| 794 |
|
|
if (dev->atr_len == io_read_num_rec_bytes(iobase, &s)) {
|
| 795 |
|
|
if (dev->atr_len_retry++ >= MAX_ATR_LEN_RETRY) { /* + XX msec */
|
| 796 |
|
|
dev->mdelay = T_10MSEC;
|
| 797 |
|
|
dev->mstate = M_READ_ATR;
|
| 798 |
|
|
}
|
| 799 |
|
|
} else {
|
| 800 |
|
|
dev->atr_len = s;
|
| 801 |
|
|
dev->atr_len_retry = 0; /* set new timeout */
|
| 802 |
|
|
}
|
| 803 |
|
|
|
| 804 |
|
|
DEBUGP(4, dev, "Current ATR_LEN = %i\n", dev->atr_len);
|
| 805 |
|
|
break;
|
| 806 |
|
|
case M_READ_ATR:
|
| 807 |
|
|
DEBUGP(4, dev, "M_READ_ATR\n");
|
| 808 |
|
|
xoutb(0x80, REG_FLAGS0(iobase)); /* reset SM */
|
| 809 |
|
|
for (i = 0; i < dev->atr_len; i++) {
|
| 810 |
|
|
xoutb(i, REG_BUF_ADDR(iobase));
|
| 811 |
|
|
dev->atr[i] = inb(REG_BUF_DATA(iobase));
|
| 812 |
|
|
}
|
| 813 |
|
|
/* Deactivate T_Active flags */
|
| 814 |
|
|
DEBUGP(4, dev, "Deactivate T_Active flags\n");
|
| 815 |
|
|
dev->flags1 = 0x01;
|
| 816 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 817 |
|
|
|
| 818 |
|
|
/* atr is present (which doesnt mean it's valid) */
|
| 819 |
|
|
set_bit(IS_ATR_PRESENT, &dev->flags);
|
| 820 |
|
|
if (dev->atr[0] == 0x03)
|
| 821 |
|
|
str_invert_revert(dev->atr, dev->atr_len);
|
| 822 |
|
|
atrc = parse_atr(dev);
|
| 823 |
|
|
if (atrc == 0) { /* atr invalid */
|
| 824 |
|
|
dev->mdelay = 0;
|
| 825 |
|
|
dev->mstate = M_BAD_CARD;
|
| 826 |
|
|
} else {
|
| 827 |
|
|
dev->mdelay = T_50MSEC;
|
| 828 |
|
|
dev->mstate = M_ATR_PRESENT;
|
| 829 |
|
|
set_bit(IS_ATR_VALID, &dev->flags);
|
| 830 |
|
|
}
|
| 831 |
|
|
|
| 832 |
|
|
if (test_bit(IS_ATR_VALID, &dev->flags) == 1) {
|
| 833 |
|
|
DEBUGP(4, dev, "monitor_card: ATR valid\n");
|
| 834 |
|
|
/* if ta1 == 0x11, no PPS necessary (default values) */
|
| 835 |
|
|
/* do not do PPS with multi protocol cards */
|
| 836 |
|
|
if ((test_bit(IS_AUTOPPS_ACT, &dev->flags) == 0) &&
|
| 837 |
|
|
(dev->ta1 != 0x11) &&
|
| 838 |
|
|
!(test_bit(IS_ANY_T0, &dev->flags) &&
|
| 839 |
|
|
test_bit(IS_ANY_T1, &dev->flags))) {
|
| 840 |
|
|
DEBUGP(4, dev, "Perform AUTOPPS\n");
|
| 841 |
|
|
set_bit(IS_AUTOPPS_ACT, &dev->flags);
|
| 842 |
|
|
ptsreq.protocol = ptsreq.protocol =
|
| 843 |
|
|
(0x01 << dev->proto);
|
| 844 |
|
|
ptsreq.flags = 0x01;
|
| 845 |
|
|
ptsreq.pts1 = 0x00;
|
| 846 |
|
|
ptsreq.pts2 = 0x00;
|
| 847 |
|
|
ptsreq.pts3 = 0x00;
|
| 848 |
|
|
if (set_protocol(dev, &ptsreq) == 0) {
|
| 849 |
|
|
DEBUGP(4, dev, "AUTOPPS ret SUCC\n");
|
| 850 |
|
|
clear_bit(IS_AUTOPPS_ACT, &dev->flags);
|
| 851 |
|
|
wake_up_interruptible(&dev->atrq);
|
| 852 |
|
|
} else {
|
| 853 |
|
|
DEBUGP(4, dev, "AUTOPPS failed: "
|
| 854 |
|
|
"repower using defaults\n");
|
| 855 |
|
|
/* prepare for repowering */
|
| 856 |
|
|
clear_bit(IS_ATR_PRESENT, &dev->flags);
|
| 857 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 858 |
|
|
dev->rlen =
|
| 859 |
|
|
dev->rpos =
|
| 860 |
|
|
dev->atr_csum =
|
| 861 |
|
|
dev->atr_len_retry = dev->cwarn = 0;
|
| 862 |
|
|
dev->mstate = M_FETCH_ATR;
|
| 863 |
|
|
|
| 864 |
|
|
dev->mdelay = T_50MSEC;
|
| 865 |
|
|
}
|
| 866 |
|
|
} else {
|
| 867 |
|
|
/* for cards which use slightly different
|
| 868 |
|
|
* params (extra guard time) */
|
| 869 |
|
|
set_cardparameter(dev);
|
| 870 |
|
|
if (test_bit(IS_AUTOPPS_ACT, &dev->flags) == 1)
|
| 871 |
|
|
DEBUGP(4, dev, "AUTOPPS already active "
|
| 872 |
|
|
"2nd try:use default values\n");
|
| 873 |
|
|
if (dev->ta1 == 0x11)
|
| 874 |
|
|
DEBUGP(4, dev, "No AUTOPPS necessary "
|
| 875 |
|
|
"TA(1)==0x11\n");
|
| 876 |
|
|
if (test_bit(IS_ANY_T0, &dev->flags)
|
| 877 |
|
|
&& test_bit(IS_ANY_T1, &dev->flags))
|
| 878 |
|
|
DEBUGP(4, dev, "Do NOT perform AUTOPPS "
|
| 879 |
|
|
"with multiprotocol cards\n");
|
| 880 |
|
|
clear_bit(IS_AUTOPPS_ACT, &dev->flags);
|
| 881 |
|
|
wake_up_interruptible(&dev->atrq);
|
| 882 |
|
|
}
|
| 883 |
|
|
} else {
|
| 884 |
|
|
DEBUGP(4, dev, "ATR invalid\n");
|
| 885 |
|
|
wake_up_interruptible(&dev->atrq);
|
| 886 |
|
|
}
|
| 887 |
|
|
break;
|
| 888 |
|
|
case M_BAD_CARD:
|
| 889 |
|
|
DEBUGP(4, dev, "M_BAD_CARD\n");
|
| 890 |
|
|
/* slow down warning, but prompt immediately after insertion */
|
| 891 |
|
|
if (dev->cwarn == 0 || dev->cwarn == 10) {
|
| 892 |
|
|
set_bit(IS_BAD_CARD, &dev->flags);
|
| 893 |
|
|
printk(KERN_WARNING MODULE_NAME ": device %s: ",
|
| 894 |
|
|
dev->node.dev_name);
|
| 895 |
|
|
if (test_bit(IS_BAD_CSUM, &dev->flags)) {
|
| 896 |
|
|
DEBUGP(4, dev, "ATR checksum (0x%.2x, should "
|
| 897 |
|
|
"be zero) failed\n", dev->atr_csum);
|
| 898 |
|
|
}
|
| 899 |
|
|
#ifdef PCMCIA_DEBUG
|
| 900 |
|
|
else if (test_bit(IS_BAD_LENGTH, &dev->flags)) {
|
| 901 |
|
|
DEBUGP(4, dev, "ATR length error\n");
|
| 902 |
|
|
} else {
|
| 903 |
|
|
DEBUGP(4, dev, "card damaged or wrong way "
|
| 904 |
|
|
"inserted\n");
|
| 905 |
|
|
}
|
| 906 |
|
|
#endif
|
| 907 |
|
|
dev->cwarn = 0;
|
| 908 |
|
|
wake_up_interruptible(&dev->atrq); /* wake open */
|
| 909 |
|
|
}
|
| 910 |
|
|
dev->cwarn++;
|
| 911 |
|
|
dev->mdelay = T_100MSEC;
|
| 912 |
|
|
dev->mstate = M_FETCH_ATR;
|
| 913 |
|
|
break;
|
| 914 |
|
|
default:
|
| 915 |
|
|
DEBUGP(7, dev, "Unknown action\n");
|
| 916 |
|
|
break; /* nothing */
|
| 917 |
|
|
}
|
| 918 |
|
|
|
| 919 |
|
|
release_io:
|
| 920 |
|
|
DEBUGP(7, dev, "release_io\n");
|
| 921 |
|
|
clear_bit(LOCK_IO, &dev->flags);
|
| 922 |
|
|
wake_up_interruptible(&dev->ioq); /* whoever needs IO */
|
| 923 |
|
|
|
| 924 |
|
|
return_with_timer:
|
| 925 |
|
|
DEBUGP(7, dev, "<- monitor_card (returns with timer)\n");
|
| 926 |
|
|
mod_timer(&dev->timer, jiffies + dev->mdelay);
|
| 927 |
|
|
clear_bit(LOCK_MONITOR, &dev->flags);
|
| 928 |
|
|
}
|
| 929 |
|
|
|
| 930 |
|
|
/* Interface to userland (file_operations) */
|
| 931 |
|
|
|
| 932 |
|
|
static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count,
|
| 933 |
|
|
loff_t *ppos)
|
| 934 |
|
|
{
|
| 935 |
|
|
struct cm4000_dev *dev = filp->private_data;
|
| 936 |
|
|
ioaddr_t iobase = dev->p_dev->io.BasePort1;
|
| 937 |
|
|
ssize_t rc;
|
| 938 |
|
|
int i, j, k;
|
| 939 |
|
|
|
| 940 |
|
|
DEBUGP(2, dev, "-> cmm_read(%s,%d)\n", current->comm, current->pid);
|
| 941 |
|
|
|
| 942 |
|
|
if (count == 0) /* according to manpage */
|
| 943 |
|
|
return 0;
|
| 944 |
|
|
|
| 945 |
|
|
if (!pcmcia_dev_present(dev->p_dev) || /* device removed */
|
| 946 |
|
|
test_bit(IS_CMM_ABSENT, &dev->flags))
|
| 947 |
|
|
return -ENODEV;
|
| 948 |
|
|
|
| 949 |
|
|
if (test_bit(IS_BAD_CSUM, &dev->flags))
|
| 950 |
|
|
return -EIO;
|
| 951 |
|
|
|
| 952 |
|
|
/* also see the note about this in cmm_write */
|
| 953 |
|
|
if (wait_event_interruptible
|
| 954 |
|
|
(dev->atrq,
|
| 955 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 956 |
|
|
|| (test_bit(IS_ATR_PRESENT, (void *)&dev->flags) != 0)))) {
|
| 957 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 958 |
|
|
return -EAGAIN;
|
| 959 |
|
|
return -ERESTARTSYS;
|
| 960 |
|
|
}
|
| 961 |
|
|
|
| 962 |
|
|
if (test_bit(IS_ATR_VALID, &dev->flags) == 0)
|
| 963 |
|
|
return -EIO;
|
| 964 |
|
|
|
| 965 |
|
|
/* this one implements blocking IO */
|
| 966 |
|
|
if (wait_event_interruptible
|
| 967 |
|
|
(dev->readq,
|
| 968 |
|
|
((filp->f_flags & O_NONBLOCK) || (dev->rpos < dev->rlen)))) {
|
| 969 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 970 |
|
|
return -EAGAIN;
|
| 971 |
|
|
return -ERESTARTSYS;
|
| 972 |
|
|
}
|
| 973 |
|
|
|
| 974 |
|
|
/* lock io */
|
| 975 |
|
|
if (wait_event_interruptible
|
| 976 |
|
|
(dev->ioq,
|
| 977 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 978 |
|
|
|| (test_and_set_bit(LOCK_IO, (void *)&dev->flags) == 0)))) {
|
| 979 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 980 |
|
|
return -EAGAIN;
|
| 981 |
|
|
return -ERESTARTSYS;
|
| 982 |
|
|
}
|
| 983 |
|
|
|
| 984 |
|
|
rc = 0;
|
| 985 |
|
|
dev->flags0 = inb(REG_FLAGS0(iobase));
|
| 986 |
|
|
if ((dev->flags0 & 1) == 0 /* no smartcard inserted */
|
| 987 |
|
|
|| dev->flags0 == 0xff) { /* no cardman inserted */
|
| 988 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 989 |
|
|
if (dev->flags0 & 1) {
|
| 990 |
|
|
set_bit(IS_CMM_ABSENT, &dev->flags);
|
| 991 |
|
|
rc = -ENODEV;
|
| 992 |
|
|
}
|
| 993 |
|
|
rc = -EIO;
|
| 994 |
|
|
goto release_io;
|
| 995 |
|
|
}
|
| 996 |
|
|
|
| 997 |
|
|
DEBUGP(4, dev, "begin read answer\n");
|
| 998 |
|
|
j = min(count, (size_t)(dev->rlen - dev->rpos));
|
| 999 |
|
|
k = dev->rpos;
|
| 1000 |
|
|
if (k + j > 255)
|
| 1001 |
|
|
j = 256 - k;
|
| 1002 |
|
|
DEBUGP(4, dev, "read1 j=%d\n", j);
|
| 1003 |
|
|
for (i = 0; i < j; i++) {
|
| 1004 |
|
|
xoutb(k++, REG_BUF_ADDR(iobase));
|
| 1005 |
|
|
dev->rbuf[i] = xinb(REG_BUF_DATA(iobase));
|
| 1006 |
|
|
}
|
| 1007 |
|
|
j = min(count, (size_t)(dev->rlen - dev->rpos));
|
| 1008 |
|
|
if (k + j > 255) {
|
| 1009 |
|
|
DEBUGP(4, dev, "read2 j=%d\n", j);
|
| 1010 |
|
|
dev->flags1 |= 0x10; /* MSB buf addr set */
|
| 1011 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 1012 |
|
|
for (; i < j; i++) {
|
| 1013 |
|
|
xoutb(k++, REG_BUF_ADDR(iobase));
|
| 1014 |
|
|
dev->rbuf[i] = xinb(REG_BUF_DATA(iobase));
|
| 1015 |
|
|
}
|
| 1016 |
|
|
}
|
| 1017 |
|
|
|
| 1018 |
|
|
if (dev->proto == 0 && count > dev->rlen - dev->rpos) {
|
| 1019 |
|
|
DEBUGP(4, dev, "T=0 and count > buffer\n");
|
| 1020 |
|
|
dev->rbuf[i] = dev->rbuf[i - 1];
|
| 1021 |
|
|
dev->rbuf[i - 1] = dev->procbyte;
|
| 1022 |
|
|
j++;
|
| 1023 |
|
|
}
|
| 1024 |
|
|
count = j;
|
| 1025 |
|
|
|
| 1026 |
|
|
dev->rpos = dev->rlen + 1;
|
| 1027 |
|
|
|
| 1028 |
|
|
/* Clear T1Active */
|
| 1029 |
|
|
DEBUGP(4, dev, "Clear T1Active\n");
|
| 1030 |
|
|
dev->flags1 &= 0xdf;
|
| 1031 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 1032 |
|
|
|
| 1033 |
|
|
xoutb(0, REG_FLAGS1(iobase)); /* clear detectCMM */
|
| 1034 |
|
|
/* last check before exit */
|
| 1035 |
|
|
if (!io_detect_cm4000(iobase, dev))
|
| 1036 |
|
|
count = -ENODEV;
|
| 1037 |
|
|
|
| 1038 |
|
|
if (test_bit(IS_INVREV, &dev->flags) && count > 0)
|
| 1039 |
|
|
str_invert_revert(dev->rbuf, count);
|
| 1040 |
|
|
|
| 1041 |
|
|
if (copy_to_user(buf, dev->rbuf, count))
|
| 1042 |
|
|
return -EFAULT;
|
| 1043 |
|
|
|
| 1044 |
|
|
release_io:
|
| 1045 |
|
|
clear_bit(LOCK_IO, &dev->flags);
|
| 1046 |
|
|
wake_up_interruptible(&dev->ioq);
|
| 1047 |
|
|
|
| 1048 |
|
|
DEBUGP(2, dev, "<- cmm_read returns: rc = %Zi\n",
|
| 1049 |
|
|
(rc < 0 ? rc : count));
|
| 1050 |
|
|
return rc < 0 ? rc : count;
|
| 1051 |
|
|
}
|
| 1052 |
|
|
|
| 1053 |
|
|
static ssize_t cmm_write(struct file *filp, const char __user *buf,
|
| 1054 |
|
|
size_t count, loff_t *ppos)
|
| 1055 |
|
|
{
|
| 1056 |
|
|
struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data;
|
| 1057 |
|
|
ioaddr_t iobase = dev->p_dev->io.BasePort1;
|
| 1058 |
|
|
unsigned short s;
|
| 1059 |
|
|
unsigned char tmp;
|
| 1060 |
|
|
unsigned char infolen;
|
| 1061 |
|
|
unsigned char sendT0;
|
| 1062 |
|
|
unsigned short nsend;
|
| 1063 |
|
|
unsigned short nr;
|
| 1064 |
|
|
ssize_t rc;
|
| 1065 |
|
|
int i;
|
| 1066 |
|
|
|
| 1067 |
|
|
DEBUGP(2, dev, "-> cmm_write(%s,%d)\n", current->comm, current->pid);
|
| 1068 |
|
|
|
| 1069 |
|
|
if (count == 0) /* according to manpage */
|
| 1070 |
|
|
return 0;
|
| 1071 |
|
|
|
| 1072 |
|
|
if (dev->proto == 0 && count < 4) {
|
| 1073 |
|
|
/* T0 must have at least 4 bytes */
|
| 1074 |
|
|
DEBUGP(4, dev, "T0 short write\n");
|
| 1075 |
|
|
return -EIO;
|
| 1076 |
|
|
}
|
| 1077 |
|
|
|
| 1078 |
|
|
nr = count & 0x1ff; /* max bytes to write */
|
| 1079 |
|
|
|
| 1080 |
|
|
sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0;
|
| 1081 |
|
|
|
| 1082 |
|
|
if (!pcmcia_dev_present(dev->p_dev) || /* device removed */
|
| 1083 |
|
|
test_bit(IS_CMM_ABSENT, &dev->flags))
|
| 1084 |
|
|
return -ENODEV;
|
| 1085 |
|
|
|
| 1086 |
|
|
if (test_bit(IS_BAD_CSUM, &dev->flags)) {
|
| 1087 |
|
|
DEBUGP(4, dev, "bad csum\n");
|
| 1088 |
|
|
return -EIO;
|
| 1089 |
|
|
}
|
| 1090 |
|
|
|
| 1091 |
|
|
/*
|
| 1092 |
|
|
* wait for atr to become valid.
|
| 1093 |
|
|
* note: it is important to lock this code. if we dont, the monitor
|
| 1094 |
|
|
* could be run between test_bit and the call to sleep on the
|
| 1095 |
|
|
* atr-queue. if *then* the monitor detects atr valid, it will wake up
|
| 1096 |
|
|
* any process on the atr-queue, *but* since we have been interrupted,
|
| 1097 |
|
|
* we do not yet sleep on this queue. this would result in a missed
|
| 1098 |
|
|
* wake_up and the calling process would sleep forever (until
|
| 1099 |
|
|
* interrupted). also, do *not* restore_flags before sleep_on, because
|
| 1100 |
|
|
* this could result in the same situation!
|
| 1101 |
|
|
*/
|
| 1102 |
|
|
if (wait_event_interruptible
|
| 1103 |
|
|
(dev->atrq,
|
| 1104 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1105 |
|
|
|| (test_bit(IS_ATR_PRESENT, (void *)&dev->flags) != 0)))) {
|
| 1106 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1107 |
|
|
return -EAGAIN;
|
| 1108 |
|
|
return -ERESTARTSYS;
|
| 1109 |
|
|
}
|
| 1110 |
|
|
|
| 1111 |
|
|
if (test_bit(IS_ATR_VALID, &dev->flags) == 0) { /* invalid atr */
|
| 1112 |
|
|
DEBUGP(4, dev, "invalid ATR\n");
|
| 1113 |
|
|
return -EIO;
|
| 1114 |
|
|
}
|
| 1115 |
|
|
|
| 1116 |
|
|
/* lock io */
|
| 1117 |
|
|
if (wait_event_interruptible
|
| 1118 |
|
|
(dev->ioq,
|
| 1119 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1120 |
|
|
|| (test_and_set_bit(LOCK_IO, (void *)&dev->flags) == 0)))) {
|
| 1121 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1122 |
|
|
return -EAGAIN;
|
| 1123 |
|
|
return -ERESTARTSYS;
|
| 1124 |
|
|
}
|
| 1125 |
|
|
|
| 1126 |
|
|
if (copy_from_user(dev->sbuf, buf, ((count > 512) ? 512 : count)))
|
| 1127 |
|
|
return -EFAULT;
|
| 1128 |
|
|
|
| 1129 |
|
|
rc = 0;
|
| 1130 |
|
|
dev->flags0 = inb(REG_FLAGS0(iobase));
|
| 1131 |
|
|
if ((dev->flags0 & 1) == 0 /* no smartcard inserted */
|
| 1132 |
|
|
|| dev->flags0 == 0xff) { /* no cardman inserted */
|
| 1133 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 1134 |
|
|
if (dev->flags0 & 1) {
|
| 1135 |
|
|
set_bit(IS_CMM_ABSENT, &dev->flags);
|
| 1136 |
|
|
rc = -ENODEV;
|
| 1137 |
|
|
} else {
|
| 1138 |
|
|
DEBUGP(4, dev, "IO error\n");
|
| 1139 |
|
|
rc = -EIO;
|
| 1140 |
|
|
}
|
| 1141 |
|
|
goto release_io;
|
| 1142 |
|
|
}
|
| 1143 |
|
|
|
| 1144 |
|
|
xoutb(0x80, REG_FLAGS0(iobase)); /* reset SM */
|
| 1145 |
|
|
|
| 1146 |
|
|
if (!io_detect_cm4000(iobase, dev)) {
|
| 1147 |
|
|
rc = -ENODEV;
|
| 1148 |
|
|
goto release_io;
|
| 1149 |
|
|
}
|
| 1150 |
|
|
|
| 1151 |
|
|
/* reflect T=0 send/read mode in flags1 */
|
| 1152 |
|
|
dev->flags1 |= (sendT0);
|
| 1153 |
|
|
|
| 1154 |
|
|
set_cardparameter(dev);
|
| 1155 |
|
|
|
| 1156 |
|
|
/* dummy read, reset flag procedure received */
|
| 1157 |
|
|
tmp = inb(REG_FLAGS1(iobase));
|
| 1158 |
|
|
|
| 1159 |
|
|
dev->flags1 = 0x20 /* T_Active */
|
| 1160 |
|
|
| (sendT0)
|
| 1161 |
|
|
| (test_bit(IS_INVREV, &dev->flags) ? 2 : 0)/* inverse parity */
|
| 1162 |
|
|
| (((dev->baudv - 1) & 0x0100) >> 8); /* MSB-Baud */
|
| 1163 |
|
|
DEBUGP(1, dev, "set dev->flags1 = 0x%.2x\n", dev->flags1);
|
| 1164 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 1165 |
|
|
|
| 1166 |
|
|
/* xmit data */
|
| 1167 |
|
|
DEBUGP(4, dev, "Xmit data\n");
|
| 1168 |
|
|
for (i = 0; i < nr; i++) {
|
| 1169 |
|
|
if (i >= 256) {
|
| 1170 |
|
|
dev->flags1 = 0x20 /* T_Active */
|
| 1171 |
|
|
| (sendT0) /* SendT0 */
|
| 1172 |
|
|
/* inverse parity: */
|
| 1173 |
|
|
| (test_bit(IS_INVREV, &dev->flags) ? 2 : 0)
|
| 1174 |
|
|
| (((dev->baudv - 1) & 0x0100) >> 8) /* MSB-Baud */
|
| 1175 |
|
|
| 0x10; /* set address high */
|
| 1176 |
|
|
DEBUGP(4, dev, "dev->flags = 0x%.2x - set address "
|
| 1177 |
|
|
"high\n", dev->flags1);
|
| 1178 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 1179 |
|
|
}
|
| 1180 |
|
|
if (test_bit(IS_INVREV, &dev->flags)) {
|
| 1181 |
|
|
DEBUGP(4, dev, "Apply inverse convention for 0x%.2x "
|
| 1182 |
|
|
"-> 0x%.2x\n", (unsigned char)dev->sbuf[i],
|
| 1183 |
|
|
invert_revert(dev->sbuf[i]));
|
| 1184 |
|
|
xoutb(i, REG_BUF_ADDR(iobase));
|
| 1185 |
|
|
xoutb(invert_revert(dev->sbuf[i]),
|
| 1186 |
|
|
REG_BUF_DATA(iobase));
|
| 1187 |
|
|
} else {
|
| 1188 |
|
|
xoutb(i, REG_BUF_ADDR(iobase));
|
| 1189 |
|
|
xoutb(dev->sbuf[i], REG_BUF_DATA(iobase));
|
| 1190 |
|
|
}
|
| 1191 |
|
|
}
|
| 1192 |
|
|
DEBUGP(4, dev, "Xmit done\n");
|
| 1193 |
|
|
|
| 1194 |
|
|
if (dev->proto == 0) {
|
| 1195 |
|
|
/* T=0 proto: 0 byte reply */
|
| 1196 |
|
|
if (nr == 4) {
|
| 1197 |
|
|
DEBUGP(4, dev, "T=0 assumes 0 byte reply\n");
|
| 1198 |
|
|
xoutb(i, REG_BUF_ADDR(iobase));
|
| 1199 |
|
|
if (test_bit(IS_INVREV, &dev->flags))
|
| 1200 |
|
|
xoutb(0xff, REG_BUF_DATA(iobase));
|
| 1201 |
|
|
else
|
| 1202 |
|
|
xoutb(0x00, REG_BUF_DATA(iobase));
|
| 1203 |
|
|
}
|
| 1204 |
|
|
|
| 1205 |
|
|
/* numSendBytes */
|
| 1206 |
|
|
if (sendT0)
|
| 1207 |
|
|
nsend = nr;
|
| 1208 |
|
|
else {
|
| 1209 |
|
|
if (nr == 4)
|
| 1210 |
|
|
nsend = 5;
|
| 1211 |
|
|
else {
|
| 1212 |
|
|
nsend = 5 + (unsigned char)dev->sbuf[4];
|
| 1213 |
|
|
if (dev->sbuf[4] == 0)
|
| 1214 |
|
|
nsend += 0x100;
|
| 1215 |
|
|
}
|
| 1216 |
|
|
}
|
| 1217 |
|
|
} else
|
| 1218 |
|
|
nsend = nr;
|
| 1219 |
|
|
|
| 1220 |
|
|
/* T0: output procedure byte */
|
| 1221 |
|
|
if (test_bit(IS_INVREV, &dev->flags)) {
|
| 1222 |
|
|
DEBUGP(4, dev, "T=0 set Procedure byte (inverse-reverse) "
|
| 1223 |
|
|
"0x%.2x\n", invert_revert(dev->sbuf[1]));
|
| 1224 |
|
|
xoutb(invert_revert(dev->sbuf[1]), REG_NUM_BYTES(iobase));
|
| 1225 |
|
|
} else {
|
| 1226 |
|
|
DEBUGP(4, dev, "T=0 set Procedure byte 0x%.2x\n", dev->sbuf[1]);
|
| 1227 |
|
|
xoutb(dev->sbuf[1], REG_NUM_BYTES(iobase));
|
| 1228 |
|
|
}
|
| 1229 |
|
|
|
| 1230 |
|
|
DEBUGP(1, dev, "set NumSendBytes = 0x%.2x\n",
|
| 1231 |
|
|
(unsigned char)(nsend & 0xff));
|
| 1232 |
|
|
xoutb((unsigned char)(nsend & 0xff), REG_NUM_SEND(iobase));
|
| 1233 |
|
|
|
| 1234 |
|
|
DEBUGP(1, dev, "Trigger CARDMAN CONTROLLER (0x%.2x)\n",
|
| 1235 |
|
|
0x40 /* SM_Active */
|
| 1236 |
|
|
| (dev->flags0 & 2 ? 0 : 4) /* power on if needed */
|
| 1237 |
|
|
|(dev->proto ? 0x10 : 0x08) /* T=1/T=0 */
|
| 1238 |
|
|
|(nsend & 0x100) >> 8 /* MSB numSendBytes */ );
|
| 1239 |
|
|
xoutb(0x40 /* SM_Active */
|
| 1240 |
|
|
| (dev->flags0 & 2 ? 0 : 4) /* power on if needed */
|
| 1241 |
|
|
|(dev->proto ? 0x10 : 0x08) /* T=1/T=0 */
|
| 1242 |
|
|
|(nsend & 0x100) >> 8, /* MSB numSendBytes */
|
| 1243 |
|
|
REG_FLAGS0(iobase));
|
| 1244 |
|
|
|
| 1245 |
|
|
/* wait for xmit done */
|
| 1246 |
|
|
if (dev->proto == 1) {
|
| 1247 |
|
|
DEBUGP(4, dev, "Wait for xmit done\n");
|
| 1248 |
|
|
for (i = 0; i < 1000; i++) {
|
| 1249 |
|
|
if (inb(REG_FLAGS0(iobase)) & 0x08)
|
| 1250 |
|
|
break;
|
| 1251 |
|
|
msleep_interruptible(10);
|
| 1252 |
|
|
}
|
| 1253 |
|
|
if (i == 1000) {
|
| 1254 |
|
|
DEBUGP(4, dev, "timeout waiting for xmit done\n");
|
| 1255 |
|
|
rc = -EIO;
|
| 1256 |
|
|
goto release_io;
|
| 1257 |
|
|
}
|
| 1258 |
|
|
}
|
| 1259 |
|
|
|
| 1260 |
|
|
/* T=1: wait for infoLen */
|
| 1261 |
|
|
|
| 1262 |
|
|
infolen = 0;
|
| 1263 |
|
|
if (dev->proto) {
|
| 1264 |
|
|
/* wait until infoLen is valid */
|
| 1265 |
|
|
for (i = 0; i < 6000; i++) { /* max waiting time of 1 min */
|
| 1266 |
|
|
io_read_num_rec_bytes(iobase, &s);
|
| 1267 |
|
|
if (s >= 3) {
|
| 1268 |
|
|
infolen = inb(REG_FLAGS1(iobase));
|
| 1269 |
|
|
DEBUGP(4, dev, "infolen=%d\n", infolen);
|
| 1270 |
|
|
break;
|
| 1271 |
|
|
}
|
| 1272 |
|
|
msleep_interruptible(10);
|
| 1273 |
|
|
}
|
| 1274 |
|
|
if (i == 6000) {
|
| 1275 |
|
|
DEBUGP(4, dev, "timeout waiting for infoLen\n");
|
| 1276 |
|
|
rc = -EIO;
|
| 1277 |
|
|
goto release_io;
|
| 1278 |
|
|
}
|
| 1279 |
|
|
} else
|
| 1280 |
|
|
clear_bit(IS_PROCBYTE_PRESENT, &dev->flags);
|
| 1281 |
|
|
|
| 1282 |
|
|
/* numRecBytes | bit9 of numRecytes */
|
| 1283 |
|
|
io_read_num_rec_bytes(iobase, &dev->rlen);
|
| 1284 |
|
|
for (i = 0; i < 600; i++) { /* max waiting time of 2 sec */
|
| 1285 |
|
|
if (dev->proto) {
|
| 1286 |
|
|
if (dev->rlen >= infolen + 4)
|
| 1287 |
|
|
break;
|
| 1288 |
|
|
}
|
| 1289 |
|
|
msleep_interruptible(10);
|
| 1290 |
|
|
/* numRecBytes | bit9 of numRecytes */
|
| 1291 |
|
|
io_read_num_rec_bytes(iobase, &s);
|
| 1292 |
|
|
if (s > dev->rlen) {
|
| 1293 |
|
|
DEBUGP(1, dev, "NumRecBytes inc (reset timeout)\n");
|
| 1294 |
|
|
i = 0; /* reset timeout */
|
| 1295 |
|
|
dev->rlen = s;
|
| 1296 |
|
|
}
|
| 1297 |
|
|
/* T=0: we are done when numRecBytes doesn't
|
| 1298 |
|
|
* increment any more and NoProcedureByte
|
| 1299 |
|
|
* is set and numRecBytes == bytes sent + 6
|
| 1300 |
|
|
* (header bytes + data + 1 for sw2)
|
| 1301 |
|
|
* except when the card replies an error
|
| 1302 |
|
|
* which means, no data will be sent back.
|
| 1303 |
|
|
*/
|
| 1304 |
|
|
else if (dev->proto == 0) {
|
| 1305 |
|
|
if ((inb(REG_BUF_ADDR(iobase)) & 0x80)) {
|
| 1306 |
|
|
/* no procedure byte received since last read */
|
| 1307 |
|
|
DEBUGP(1, dev, "NoProcedure byte set\n");
|
| 1308 |
|
|
/* i=0; */
|
| 1309 |
|
|
} else {
|
| 1310 |
|
|
/* procedure byte received since last read */
|
| 1311 |
|
|
DEBUGP(1, dev, "NoProcedure byte unset "
|
| 1312 |
|
|
"(reset timeout)\n");
|
| 1313 |
|
|
dev->procbyte = inb(REG_FLAGS1(iobase));
|
| 1314 |
|
|
DEBUGP(1, dev, "Read procedure byte 0x%.2x\n",
|
| 1315 |
|
|
dev->procbyte);
|
| 1316 |
|
|
i = 0; /* resettimeout */
|
| 1317 |
|
|
}
|
| 1318 |
|
|
if (inb(REG_FLAGS0(iobase)) & 0x08) {
|
| 1319 |
|
|
DEBUGP(1, dev, "T0Done flag (read reply)\n");
|
| 1320 |
|
|
break;
|
| 1321 |
|
|
}
|
| 1322 |
|
|
}
|
| 1323 |
|
|
if (dev->proto)
|
| 1324 |
|
|
infolen = inb(REG_FLAGS1(iobase));
|
| 1325 |
|
|
}
|
| 1326 |
|
|
if (i == 600) {
|
| 1327 |
|
|
DEBUGP(1, dev, "timeout waiting for numRecBytes\n");
|
| 1328 |
|
|
rc = -EIO;
|
| 1329 |
|
|
goto release_io;
|
| 1330 |
|
|
} else {
|
| 1331 |
|
|
if (dev->proto == 0) {
|
| 1332 |
|
|
DEBUGP(1, dev, "Wait for T0Done bit to be set\n");
|
| 1333 |
|
|
for (i = 0; i < 1000; i++) {
|
| 1334 |
|
|
if (inb(REG_FLAGS0(iobase)) & 0x08)
|
| 1335 |
|
|
break;
|
| 1336 |
|
|
msleep_interruptible(10);
|
| 1337 |
|
|
}
|
| 1338 |
|
|
if (i == 1000) {
|
| 1339 |
|
|
DEBUGP(1, dev, "timeout waiting for T0Done\n");
|
| 1340 |
|
|
rc = -EIO;
|
| 1341 |
|
|
goto release_io;
|
| 1342 |
|
|
}
|
| 1343 |
|
|
|
| 1344 |
|
|
dev->procbyte = inb(REG_FLAGS1(iobase));
|
| 1345 |
|
|
DEBUGP(4, dev, "Read procedure byte 0x%.2x\n",
|
| 1346 |
|
|
dev->procbyte);
|
| 1347 |
|
|
|
| 1348 |
|
|
io_read_num_rec_bytes(iobase, &dev->rlen);
|
| 1349 |
|
|
DEBUGP(4, dev, "Read NumRecBytes = %i\n", dev->rlen);
|
| 1350 |
|
|
|
| 1351 |
|
|
}
|
| 1352 |
|
|
}
|
| 1353 |
|
|
/* T=1: read offset=zero, T=0: read offset=after challenge */
|
| 1354 |
|
|
dev->rpos = dev->proto ? 0 : nr == 4 ? 5 : nr > dev->rlen ? 5 : nr;
|
| 1355 |
|
|
DEBUGP(4, dev, "dev->rlen = %i, dev->rpos = %i, nr = %i\n",
|
| 1356 |
|
|
dev->rlen, dev->rpos, nr);
|
| 1357 |
|
|
|
| 1358 |
|
|
release_io:
|
| 1359 |
|
|
DEBUGP(4, dev, "Reset SM\n");
|
| 1360 |
|
|
xoutb(0x80, REG_FLAGS0(iobase)); /* reset SM */
|
| 1361 |
|
|
|
| 1362 |
|
|
if (rc < 0) {
|
| 1363 |
|
|
DEBUGP(4, dev, "Write failed but clear T_Active\n");
|
| 1364 |
|
|
dev->flags1 &= 0xdf;
|
| 1365 |
|
|
xoutb(dev->flags1, REG_FLAGS1(iobase));
|
| 1366 |
|
|
}
|
| 1367 |
|
|
|
| 1368 |
|
|
clear_bit(LOCK_IO, &dev->flags);
|
| 1369 |
|
|
wake_up_interruptible(&dev->ioq);
|
| 1370 |
|
|
wake_up_interruptible(&dev->readq); /* tell read we have data */
|
| 1371 |
|
|
|
| 1372 |
|
|
/* ITSEC E2: clear write buffer */
|
| 1373 |
|
|
memset((char *)dev->sbuf, 0, 512);
|
| 1374 |
|
|
|
| 1375 |
|
|
/* return error or actually written bytes */
|
| 1376 |
|
|
DEBUGP(2, dev, "<- cmm_write\n");
|
| 1377 |
|
|
return rc < 0 ? rc : nr;
|
| 1378 |
|
|
}
|
| 1379 |
|
|
|
| 1380 |
|
|
static void start_monitor(struct cm4000_dev *dev)
|
| 1381 |
|
|
{
|
| 1382 |
|
|
DEBUGP(3, dev, "-> start_monitor\n");
|
| 1383 |
|
|
if (!dev->monitor_running) {
|
| 1384 |
|
|
DEBUGP(5, dev, "create, init and add timer\n");
|
| 1385 |
|
|
setup_timer(&dev->timer, monitor_card, (unsigned long)dev);
|
| 1386 |
|
|
dev->monitor_running = 1;
|
| 1387 |
|
|
mod_timer(&dev->timer, jiffies);
|
| 1388 |
|
|
} else
|
| 1389 |
|
|
DEBUGP(5, dev, "monitor already running\n");
|
| 1390 |
|
|
DEBUGP(3, dev, "<- start_monitor\n");
|
| 1391 |
|
|
}
|
| 1392 |
|
|
|
| 1393 |
|
|
static void stop_monitor(struct cm4000_dev *dev)
|
| 1394 |
|
|
{
|
| 1395 |
|
|
DEBUGP(3, dev, "-> stop_monitor\n");
|
| 1396 |
|
|
if (dev->monitor_running) {
|
| 1397 |
|
|
DEBUGP(5, dev, "stopping monitor\n");
|
| 1398 |
|
|
terminate_monitor(dev);
|
| 1399 |
|
|
/* reset monitor SM */
|
| 1400 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 1401 |
|
|
clear_bit(IS_ATR_PRESENT, &dev->flags);
|
| 1402 |
|
|
} else
|
| 1403 |
|
|
DEBUGP(5, dev, "monitor already stopped\n");
|
| 1404 |
|
|
DEBUGP(3, dev, "<- stop_monitor\n");
|
| 1405 |
|
|
}
|
| 1406 |
|
|
|
| 1407 |
|
|
static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
|
| 1408 |
|
|
unsigned long arg)
|
| 1409 |
|
|
{
|
| 1410 |
|
|
struct cm4000_dev *dev = filp->private_data;
|
| 1411 |
|
|
ioaddr_t iobase = dev->p_dev->io.BasePort1;
|
| 1412 |
|
|
struct pcmcia_device *link;
|
| 1413 |
|
|
int size;
|
| 1414 |
|
|
int rc;
|
| 1415 |
|
|
void __user *argp = (void __user *)arg;
|
| 1416 |
|
|
#ifdef PCMCIA_DEBUG
|
| 1417 |
|
|
char *ioctl_names[CM_IOC_MAXNR + 1] = {
|
| 1418 |
|
|
[_IOC_NR(CM_IOCGSTATUS)] "CM_IOCGSTATUS",
|
| 1419 |
|
|
[_IOC_NR(CM_IOCGATR)] "CM_IOCGATR",
|
| 1420 |
|
|
[_IOC_NR(CM_IOCARDOFF)] "CM_IOCARDOFF",
|
| 1421 |
|
|
[_IOC_NR(CM_IOCSPTS)] "CM_IOCSPTS",
|
| 1422 |
|
|
[_IOC_NR(CM_IOSDBGLVL)] "CM4000_DBGLVL",
|
| 1423 |
|
|
};
|
| 1424 |
|
|
#endif
|
| 1425 |
|
|
DEBUGP(3, dev, "cmm_ioctl(device=%d.%d) %s\n", imajor(inode),
|
| 1426 |
|
|
iminor(inode), ioctl_names[_IOC_NR(cmd)]);
|
| 1427 |
|
|
|
| 1428 |
|
|
link = dev_table[iminor(inode)];
|
| 1429 |
|
|
if (!pcmcia_dev_present(link)) {
|
| 1430 |
|
|
DEBUGP(4, dev, "DEV_OK false\n");
|
| 1431 |
|
|
return -ENODEV;
|
| 1432 |
|
|
}
|
| 1433 |
|
|
|
| 1434 |
|
|
if (test_bit(IS_CMM_ABSENT, &dev->flags)) {
|
| 1435 |
|
|
DEBUGP(4, dev, "CMM_ABSENT flag set\n");
|
| 1436 |
|
|
return -ENODEV;
|
| 1437 |
|
|
}
|
| 1438 |
|
|
|
| 1439 |
|
|
if (_IOC_TYPE(cmd) != CM_IOC_MAGIC) {
|
| 1440 |
|
|
DEBUGP(4, dev, "ioctype mismatch\n");
|
| 1441 |
|
|
return -EINVAL;
|
| 1442 |
|
|
}
|
| 1443 |
|
|
if (_IOC_NR(cmd) > CM_IOC_MAXNR) {
|
| 1444 |
|
|
DEBUGP(4, dev, "iocnr mismatch\n");
|
| 1445 |
|
|
return -EINVAL;
|
| 1446 |
|
|
}
|
| 1447 |
|
|
size = _IOC_SIZE(cmd);
|
| 1448 |
|
|
rc = 0;
|
| 1449 |
|
|
DEBUGP(4, dev, "iocdir=%.4x iocr=%.4x iocw=%.4x iocsize=%d cmd=%.4x\n",
|
| 1450 |
|
|
_IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd);
|
| 1451 |
|
|
|
| 1452 |
|
|
if (_IOC_DIR(cmd) & _IOC_READ) {
|
| 1453 |
|
|
if (!access_ok(VERIFY_WRITE, argp, size))
|
| 1454 |
|
|
return -EFAULT;
|
| 1455 |
|
|
}
|
| 1456 |
|
|
if (_IOC_DIR(cmd) & _IOC_WRITE) {
|
| 1457 |
|
|
if (!access_ok(VERIFY_READ, argp, size))
|
| 1458 |
|
|
return -EFAULT;
|
| 1459 |
|
|
}
|
| 1460 |
|
|
|
| 1461 |
|
|
switch (cmd) {
|
| 1462 |
|
|
case CM_IOCGSTATUS:
|
| 1463 |
|
|
DEBUGP(4, dev, " ... in CM_IOCGSTATUS\n");
|
| 1464 |
|
|
{
|
| 1465 |
|
|
int status;
|
| 1466 |
|
|
|
| 1467 |
|
|
/* clear other bits, but leave inserted & powered as
|
| 1468 |
|
|
* they are */
|
| 1469 |
|
|
status = dev->flags0 & 3;
|
| 1470 |
|
|
if (test_bit(IS_ATR_PRESENT, &dev->flags))
|
| 1471 |
|
|
status |= CM_ATR_PRESENT;
|
| 1472 |
|
|
if (test_bit(IS_ATR_VALID, &dev->flags))
|
| 1473 |
|
|
status |= CM_ATR_VALID;
|
| 1474 |
|
|
if (test_bit(IS_CMM_ABSENT, &dev->flags))
|
| 1475 |
|
|
status |= CM_NO_READER;
|
| 1476 |
|
|
if (test_bit(IS_BAD_CARD, &dev->flags))
|
| 1477 |
|
|
status |= CM_BAD_CARD;
|
| 1478 |
|
|
if (copy_to_user(argp, &status, sizeof(int)))
|
| 1479 |
|
|
return -EFAULT;
|
| 1480 |
|
|
}
|
| 1481 |
|
|
return 0;
|
| 1482 |
|
|
case CM_IOCGATR:
|
| 1483 |
|
|
DEBUGP(4, dev, "... in CM_IOCGATR\n");
|
| 1484 |
|
|
{
|
| 1485 |
|
|
struct atreq __user *atreq = argp;
|
| 1486 |
|
|
int tmp;
|
| 1487 |
|
|
/* allow nonblocking io and being interrupted */
|
| 1488 |
|
|
if (wait_event_interruptible
|
| 1489 |
|
|
(dev->atrq,
|
| 1490 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1491 |
|
|
|| (test_bit(IS_ATR_PRESENT, (void *)&dev->flags)
|
| 1492 |
|
|
!= 0)))) {
|
| 1493 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1494 |
|
|
return -EAGAIN;
|
| 1495 |
|
|
return -ERESTARTSYS;
|
| 1496 |
|
|
}
|
| 1497 |
|
|
|
| 1498 |
|
|
if (test_bit(IS_ATR_VALID, &dev->flags) == 0) {
|
| 1499 |
|
|
tmp = -1;
|
| 1500 |
|
|
if (copy_to_user(&(atreq->atr_len), &tmp,
|
| 1501 |
|
|
sizeof(int)))
|
| 1502 |
|
|
return -EFAULT;
|
| 1503 |
|
|
} else {
|
| 1504 |
|
|
if (copy_to_user(atreq->atr, dev->atr,
|
| 1505 |
|
|
dev->atr_len))
|
| 1506 |
|
|
return -EFAULT;
|
| 1507 |
|
|
|
| 1508 |
|
|
tmp = dev->atr_len;
|
| 1509 |
|
|
if (copy_to_user(&(atreq->atr_len), &tmp, sizeof(int)))
|
| 1510 |
|
|
return -EFAULT;
|
| 1511 |
|
|
}
|
| 1512 |
|
|
return 0;
|
| 1513 |
|
|
}
|
| 1514 |
|
|
case CM_IOCARDOFF:
|
| 1515 |
|
|
|
| 1516 |
|
|
#ifdef PCMCIA_DEBUG
|
| 1517 |
|
|
DEBUGP(4, dev, "... in CM_IOCARDOFF\n");
|
| 1518 |
|
|
if (dev->flags0 & 0x01) {
|
| 1519 |
|
|
DEBUGP(4, dev, " Card inserted\n");
|
| 1520 |
|
|
} else {
|
| 1521 |
|
|
DEBUGP(2, dev, " No card inserted\n");
|
| 1522 |
|
|
}
|
| 1523 |
|
|
if (dev->flags0 & 0x02) {
|
| 1524 |
|
|
DEBUGP(4, dev, " Card powered\n");
|
| 1525 |
|
|
} else {
|
| 1526 |
|
|
DEBUGP(2, dev, " Card not powered\n");
|
| 1527 |
|
|
}
|
| 1528 |
|
|
#endif
|
| 1529 |
|
|
|
| 1530 |
|
|
/* is a card inserted and powered? */
|
| 1531 |
|
|
if ((dev->flags0 & 0x01) && (dev->flags0 & 0x02)) {
|
| 1532 |
|
|
|
| 1533 |
|
|
/* get IO lock */
|
| 1534 |
|
|
if (wait_event_interruptible
|
| 1535 |
|
|
(dev->ioq,
|
| 1536 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1537 |
|
|
|| (test_and_set_bit(LOCK_IO, (void *)&dev->flags)
|
| 1538 |
|
|
== 0)))) {
|
| 1539 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1540 |
|
|
return -EAGAIN;
|
| 1541 |
|
|
return -ERESTARTSYS;
|
| 1542 |
|
|
}
|
| 1543 |
|
|
/* Set Flags0 = 0x42 */
|
| 1544 |
|
|
DEBUGP(4, dev, "Set Flags0=0x42 \n");
|
| 1545 |
|
|
xoutb(0x42, REG_FLAGS0(iobase));
|
| 1546 |
|
|
clear_bit(IS_ATR_PRESENT, &dev->flags);
|
| 1547 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 1548 |
|
|
dev->mstate = M_CARDOFF;
|
| 1549 |
|
|
clear_bit(LOCK_IO, &dev->flags);
|
| 1550 |
|
|
if (wait_event_interruptible
|
| 1551 |
|
|
(dev->atrq,
|
| 1552 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1553 |
|
|
|| (test_bit(IS_ATR_VALID, (void *)&dev->flags) !=
|
| 1554 |
|
|
0)))) {
|
| 1555 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1556 |
|
|
return -EAGAIN;
|
| 1557 |
|
|
return -ERESTARTSYS;
|
| 1558 |
|
|
}
|
| 1559 |
|
|
}
|
| 1560 |
|
|
/* release lock */
|
| 1561 |
|
|
clear_bit(LOCK_IO, &dev->flags);
|
| 1562 |
|
|
wake_up_interruptible(&dev->ioq);
|
| 1563 |
|
|
|
| 1564 |
|
|
return 0;
|
| 1565 |
|
|
case CM_IOCSPTS:
|
| 1566 |
|
|
{
|
| 1567 |
|
|
struct ptsreq krnptsreq;
|
| 1568 |
|
|
|
| 1569 |
|
|
if (copy_from_user(&krnptsreq, argp,
|
| 1570 |
|
|
sizeof(struct ptsreq)))
|
| 1571 |
|
|
return -EFAULT;
|
| 1572 |
|
|
|
| 1573 |
|
|
rc = 0;
|
| 1574 |
|
|
DEBUGP(4, dev, "... in CM_IOCSPTS\n");
|
| 1575 |
|
|
/* wait for ATR to get valid */
|
| 1576 |
|
|
if (wait_event_interruptible
|
| 1577 |
|
|
(dev->atrq,
|
| 1578 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1579 |
|
|
|| (test_bit(IS_ATR_PRESENT, (void *)&dev->flags)
|
| 1580 |
|
|
!= 0)))) {
|
| 1581 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1582 |
|
|
return -EAGAIN;
|
| 1583 |
|
|
return -ERESTARTSYS;
|
| 1584 |
|
|
}
|
| 1585 |
|
|
/* get IO lock */
|
| 1586 |
|
|
if (wait_event_interruptible
|
| 1587 |
|
|
(dev->ioq,
|
| 1588 |
|
|
((filp->f_flags & O_NONBLOCK)
|
| 1589 |
|
|
|| (test_and_set_bit(LOCK_IO, (void *)&dev->flags)
|
| 1590 |
|
|
== 0)))) {
|
| 1591 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1592 |
|
|
return -EAGAIN;
|
| 1593 |
|
|
return -ERESTARTSYS;
|
| 1594 |
|
|
}
|
| 1595 |
|
|
|
| 1596 |
|
|
if ((rc = set_protocol(dev, &krnptsreq)) != 0) {
|
| 1597 |
|
|
/* auto power_on again */
|
| 1598 |
|
|
dev->mstate = M_FETCH_ATR;
|
| 1599 |
|
|
clear_bit(IS_ATR_VALID, &dev->flags);
|
| 1600 |
|
|
}
|
| 1601 |
|
|
/* release lock */
|
| 1602 |
|
|
clear_bit(LOCK_IO, &dev->flags);
|
| 1603 |
|
|
wake_up_interruptible(&dev->ioq);
|
| 1604 |
|
|
|
| 1605 |
|
|
}
|
| 1606 |
|
|
return rc;
|
| 1607 |
|
|
#ifdef PCMCIA_DEBUG
|
| 1608 |
|
|
case CM_IOSDBGLVL: /* set debug log level */
|
| 1609 |
|
|
{
|
| 1610 |
|
|
int old_pc_debug = 0;
|
| 1611 |
|
|
|
| 1612 |
|
|
old_pc_debug = pc_debug;
|
| 1613 |
|
|
if (copy_from_user(&pc_debug, argp, sizeof(int)))
|
| 1614 |
|
|
return -EFAULT;
|
| 1615 |
|
|
|
| 1616 |
|
|
if (old_pc_debug != pc_debug)
|
| 1617 |
|
|
DEBUGP(0, dev, "Changed debug log level "
|
| 1618 |
|
|
"to %i\n", pc_debug);
|
| 1619 |
|
|
}
|
| 1620 |
|
|
return rc;
|
| 1621 |
|
|
#endif
|
| 1622 |
|
|
default:
|
| 1623 |
|
|
DEBUGP(4, dev, "... in default (unknown IOCTL code)\n");
|
| 1624 |
|
|
return -EINVAL;
|
| 1625 |
|
|
}
|
| 1626 |
|
|
}
|
| 1627 |
|
|
|
| 1628 |
|
|
static int cmm_open(struct inode *inode, struct file *filp)
|
| 1629 |
|
|
{
|
| 1630 |
|
|
struct cm4000_dev *dev;
|
| 1631 |
|
|
struct pcmcia_device *link;
|
| 1632 |
|
|
int minor = iminor(inode);
|
| 1633 |
|
|
|
| 1634 |
|
|
if (minor >= CM4000_MAX_DEV)
|
| 1635 |
|
|
return -ENODEV;
|
| 1636 |
|
|
|
| 1637 |
|
|
link = dev_table[minor];
|
| 1638 |
|
|
if (link == NULL || !pcmcia_dev_present(link))
|
| 1639 |
|
|
return -ENODEV;
|
| 1640 |
|
|
|
| 1641 |
|
|
if (link->open)
|
| 1642 |
|
|
return -EBUSY;
|
| 1643 |
|
|
|
| 1644 |
|
|
dev = link->priv;
|
| 1645 |
|
|
filp->private_data = dev;
|
| 1646 |
|
|
|
| 1647 |
|
|
DEBUGP(2, dev, "-> cmm_open(device=%d.%d process=%s,%d)\n",
|
| 1648 |
|
|
imajor(inode), minor, current->comm, current->pid);
|
| 1649 |
|
|
|
| 1650 |
|
|
/* init device variables, they may be "polluted" after close
|
| 1651 |
|
|
* or, the device may never have been closed (i.e. open failed)
|
| 1652 |
|
|
*/
|
| 1653 |
|
|
|
| 1654 |
|
|
ZERO_DEV(dev);
|
| 1655 |
|
|
|
| 1656 |
|
|
/* opening will always block since the
|
| 1657 |
|
|
* monitor will be started by open, which
|
| 1658 |
|
|
* means we have to wait for ATR becoming
|
| 1659 |
|
|
* vaild = block until valid (or card
|
| 1660 |
|
|
* inserted)
|
| 1661 |
|
|
*/
|
| 1662 |
|
|
if (filp->f_flags & O_NONBLOCK)
|
| 1663 |
|
|
return -EAGAIN;
|
| 1664 |
|
|
|
| 1665 |
|
|
dev->mdelay = T_50MSEC;
|
| 1666 |
|
|
|
| 1667 |
|
|
/* start monitoring the cardstatus */
|
| 1668 |
|
|
start_monitor(dev);
|
| 1669 |
|
|
|
| 1670 |
|
|
link->open = 1; /* only one open per device */
|
| 1671 |
|
|
|
| 1672 |
|
|
DEBUGP(2, dev, "<- cmm_open\n");
|
| 1673 |
|
|
return nonseekable_open(inode, filp);
|
| 1674 |
|
|
}
|
| 1675 |
|
|
|
| 1676 |
|
|
static int cmm_close(struct inode *inode, struct file *filp)
|
| 1677 |
|
|
{
|
| 1678 |
|
|
struct cm4000_dev *dev;
|
| 1679 |
|
|
struct pcmcia_device *link;
|
| 1680 |
|
|
int minor = iminor(inode);
|
| 1681 |
|
|
|
| 1682 |
|
|
if (minor >= CM4000_MAX_DEV)
|
| 1683 |
|
|
return -ENODEV;
|
| 1684 |
|
|
|
| 1685 |
|
|
link = dev_table[minor];
|
| 1686 |
|
|
if (link == NULL)
|
| 1687 |
|
|
return -ENODEV;
|
| 1688 |
|
|
|
| 1689 |
|
|
dev = link->priv;
|
| 1690 |
|
|
|
| 1691 |
|
|
DEBUGP(2, dev, "-> cmm_close(maj/min=%d.%d)\n",
|
| 1692 |
|
|
imajor(inode), minor);
|
| 1693 |
|
|
|
| 1694 |
|
|
stop_monitor(dev);
|
| 1695 |
|
|
|
| 1696 |
|
|
ZERO_DEV(dev);
|
| 1697 |
|
|
|
| 1698 |
|
|
link->open = 0; /* only one open per device */
|
| 1699 |
|
|
wake_up(&dev->devq); /* socket removed? */
|
| 1700 |
|
|
|
| 1701 |
|
|
DEBUGP(2, dev, "cmm_close\n");
|
| 1702 |
|
|
return 0;
|
| 1703 |
|
|
}
|
| 1704 |
|
|
|
| 1705 |
|
|
static void cmm_cm4000_release(struct pcmcia_device * link)
|
| 1706 |
|
|
{
|
| 1707 |
|
|
struct cm4000_dev *dev = link->priv;
|
| 1708 |
|
|
|
| 1709 |
|
|
/* dont terminate the monitor, rather rely on
|
| 1710 |
|
|
* close doing that for us.
|
| 1711 |
|
|
*/
|
| 1712 |
|
|
DEBUGP(3, dev, "-> cmm_cm4000_release\n");
|
| 1713 |
|
|
while (link->open) {
|
| 1714 |
|
|
printk(KERN_INFO MODULE_NAME ": delaying release until "
|
| 1715 |
|
|
"process has terminated\n");
|
| 1716 |
|
|
/* note: don't interrupt us:
|
| 1717 |
|
|
* close the applications which own
|
| 1718 |
|
|
* the devices _first_ !
|
| 1719 |
|
|
*/
|
| 1720 |
|
|
wait_event(dev->devq, (link->open == 0));
|
| 1721 |
|
|
}
|
| 1722 |
|
|
/* dev->devq=NULL; this cannot be zeroed earlier */
|
| 1723 |
|
|
DEBUGP(3, dev, "<- cmm_cm4000_release\n");
|
| 1724 |
|
|
return;
|
| 1725 |
|
|
}
|
| 1726 |
|
|
|
| 1727 |
|
|
/*==== Interface to PCMCIA Layer =======================================*/
|
| 1728 |
|
|
|
| 1729 |
|
|
static int cm4000_config(struct pcmcia_device * link, int devno)
|
| 1730 |
|
|
{
|
| 1731 |
|
|
struct cm4000_dev *dev;
|
| 1732 |
|
|
tuple_t tuple;
|
| 1733 |
|
|
cisparse_t parse;
|
| 1734 |
|
|
u_char buf[64];
|
| 1735 |
|
|
int fail_fn, fail_rc;
|
| 1736 |
|
|
int rc;
|
| 1737 |
|
|
|
| 1738 |
|
|
/* read the config-tuples */
|
| 1739 |
|
|
tuple.Attributes = 0;
|
| 1740 |
|
|
tuple.TupleData = buf;
|
| 1741 |
|
|
tuple.TupleDataMax = sizeof(buf);
|
| 1742 |
|
|
tuple.TupleOffset = 0;
|
| 1743 |
|
|
|
| 1744 |
|
|
link->io.BasePort2 = 0;
|
| 1745 |
|
|
link->io.NumPorts2 = 0;
|
| 1746 |
|
|
link->io.Attributes2 = 0;
|
| 1747 |
|
|
tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
|
| 1748 |
|
|
for (rc = pcmcia_get_first_tuple(link, &tuple);
|
| 1749 |
|
|
rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(link, &tuple)) {
|
| 1750 |
|
|
|
| 1751 |
|
|
rc = pcmcia_get_tuple_data(link, &tuple);
|
| 1752 |
|
|
if (rc != CS_SUCCESS)
|
| 1753 |
|
|
continue;
|
| 1754 |
|
|
rc = pcmcia_parse_tuple(link, &tuple, &parse);
|
| 1755 |
|
|
if (rc != CS_SUCCESS)
|
| 1756 |
|
|
continue;
|
| 1757 |
|
|
|
| 1758 |
|
|
link->conf.ConfigIndex = parse.cftable_entry.index;
|
| 1759 |
|
|
|
| 1760 |
|
|
if (!parse.cftable_entry.io.nwin)
|
| 1761 |
|
|
continue;
|
| 1762 |
|
|
|
| 1763 |
|
|
/* Get the IOaddr */
|
| 1764 |
|
|
link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
|
| 1765 |
|
|
link->io.NumPorts1 = parse.cftable_entry.io.win[0].len;
|
| 1766 |
|
|
link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
|
| 1767 |
|
|
if (!(parse.cftable_entry.io.flags & CISTPL_IO_8BIT))
|
| 1768 |
|
|
link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
|
| 1769 |
|
|
if (!(parse.cftable_entry.io.flags & CISTPL_IO_16BIT))
|
| 1770 |
|
|
link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
|
| 1771 |
|
|
link->io.IOAddrLines = parse.cftable_entry.io.flags
|
| 1772 |
|
|
& CISTPL_IO_LINES_MASK;
|
| 1773 |
|
|
|
| 1774 |
|
|
rc = pcmcia_request_io(link, &link->io);
|
| 1775 |
|
|
if (rc == CS_SUCCESS)
|
| 1776 |
|
|
break; /* we are done */
|
| 1777 |
|
|
}
|
| 1778 |
|
|
if (rc != CS_SUCCESS)
|
| 1779 |
|
|
goto cs_release;
|
| 1780 |
|
|
|
| 1781 |
|
|
link->conf.IntType = 00000002;
|
| 1782 |
|
|
|
| 1783 |
|
|
if ((fail_rc =
|
| 1784 |
|
|
pcmcia_request_configuration(link, &link->conf)) != CS_SUCCESS) {
|
| 1785 |
|
|
fail_fn = RequestConfiguration;
|
| 1786 |
|
|
goto cs_release;
|
| 1787 |
|
|
}
|
| 1788 |
|
|
|
| 1789 |
|
|
dev = link->priv;
|
| 1790 |
|
|
sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno);
|
| 1791 |
|
|
dev->node.major = major;
|
| 1792 |
|
|
dev->node.minor = devno;
|
| 1793 |
|
|
dev->node.next = NULL;
|
| 1794 |
|
|
link->dev_node = &dev->node;
|
| 1795 |
|
|
|
| 1796 |
|
|
return 0;
|
| 1797 |
|
|
|
| 1798 |
|
|
cs_release:
|
| 1799 |
|
|
cm4000_release(link);
|
| 1800 |
|
|
return -ENODEV;
|
| 1801 |
|
|
}
|
| 1802 |
|
|
|
| 1803 |
|
|
static int cm4000_suspend(struct pcmcia_device *link)
|
| 1804 |
|
|
{
|
| 1805 |
|
|
struct cm4000_dev *dev;
|
| 1806 |
|
|
|
| 1807 |
|
|
dev = link->priv;
|
| 1808 |
|
|
stop_monitor(dev);
|
| 1809 |
|
|
|
| 1810 |
|
|
return 0;
|
| 1811 |
|
|
}
|
| 1812 |
|
|
|
| 1813 |
|
|
static int cm4000_resume(struct pcmcia_device *link)
|
| 1814 |
|
|
{
|
| 1815 |
|
|
struct cm4000_dev *dev;
|
| 1816 |
|
|
|
| 1817 |
|
|
dev = link->priv;
|
| 1818 |
|
|
if (link->open)
|
| 1819 |
|
|
start_monitor(dev);
|
| 1820 |
|
|
|
| 1821 |
|
|
return 0;
|
| 1822 |
|
|
}
|
| 1823 |
|
|
|
| 1824 |
|
|
static void cm4000_release(struct pcmcia_device *link)
|
| 1825 |
|
|
{
|
| 1826 |
|
|
cmm_cm4000_release(link); /* delay release until device closed */
|
| 1827 |
|
|
pcmcia_disable_device(link);
|
| 1828 |
|
|
}
|
| 1829 |
|
|
|
| 1830 |
|
|
static int cm4000_probe(struct pcmcia_device *link)
|
| 1831 |
|
|
{
|
| 1832 |
|
|
struct cm4000_dev *dev;
|
| 1833 |
|
|
int i, ret;
|
| 1834 |
|
|
|
| 1835 |
|
|
for (i = 0; i < CM4000_MAX_DEV; i++)
|
| 1836 |
|
|
if (dev_table[i] == NULL)
|
| 1837 |
|
|
break;
|
| 1838 |
|
|
|
| 1839 |
|
|
if (i == CM4000_MAX_DEV) {
|
| 1840 |
|
|
printk(KERN_NOTICE MODULE_NAME ": all devices in use\n");
|
| 1841 |
|
|
return -ENODEV;
|
| 1842 |
|
|
}
|
| 1843 |
|
|
|
| 1844 |
|
|
/* create a new cm4000_cs device */
|
| 1845 |
|
|
dev = kzalloc(sizeof(struct cm4000_dev), GFP_KERNEL);
|
| 1846 |
|
|
if (dev == NULL)
|
| 1847 |
|
|
return -ENOMEM;
|
| 1848 |
|
|
|
| 1849 |
|
|
dev->p_dev = link;
|
| 1850 |
|
|
link->priv = dev;
|
| 1851 |
|
|
link->conf.IntType = INT_MEMORY_AND_IO;
|
| 1852 |
|
|
dev_table[i] = link;
|
| 1853 |
|
|
|
| 1854 |
|
|
init_waitqueue_head(&dev->devq);
|
| 1855 |
|
|
init_waitqueue_head(&dev->ioq);
|
| 1856 |
|
|
init_waitqueue_head(&dev->atrq);
|
| 1857 |
|
|
init_waitqueue_head(&dev->readq);
|
| 1858 |
|
|
|
| 1859 |
|
|
ret = cm4000_config(link, i);
|
| 1860 |
|
|
if (ret) {
|
| 1861 |
|
|
dev_table[i] = NULL;
|
| 1862 |
|
|
kfree(dev);
|
| 1863 |
|
|
return ret;
|
| 1864 |
|
|
}
|
| 1865 |
|
|
|
| 1866 |
|
|
device_create(cmm_class, NULL, MKDEV(major, i), "cmm%d", i);
|
| 1867 |
|
|
|
| 1868 |
|
|
return 0;
|
| 1869 |
|
|
}
|
| 1870 |
|
|
|
| 1871 |
|
|
static void cm4000_detach(struct pcmcia_device *link)
|
| 1872 |
|
|
{
|
| 1873 |
|
|
struct cm4000_dev *dev = link->priv;
|
| 1874 |
|
|
int devno;
|
| 1875 |
|
|
|
| 1876 |
|
|
/* find device */
|
| 1877 |
|
|
for (devno = 0; devno < CM4000_MAX_DEV; devno++)
|
| 1878 |
|
|
if (dev_table[devno] == link)
|
| 1879 |
|
|
break;
|
| 1880 |
|
|
if (devno == CM4000_MAX_DEV)
|
| 1881 |
|
|
return;
|
| 1882 |
|
|
|
| 1883 |
|
|
stop_monitor(dev);
|
| 1884 |
|
|
|
| 1885 |
|
|
cm4000_release(link);
|
| 1886 |
|
|
|
| 1887 |
|
|
dev_table[devno] = NULL;
|
| 1888 |
|
|
kfree(dev);
|
| 1889 |
|
|
|
| 1890 |
|
|
device_destroy(cmm_class, MKDEV(major, devno));
|
| 1891 |
|
|
|
| 1892 |
|
|
return;
|
| 1893 |
|
|
}
|
| 1894 |
|
|
|
| 1895 |
|
|
static const struct file_operations cm4000_fops = {
|
| 1896 |
|
|
.owner = THIS_MODULE,
|
| 1897 |
|
|
.read = cmm_read,
|
| 1898 |
|
|
.write = cmm_write,
|
| 1899 |
|
|
.ioctl = cmm_ioctl,
|
| 1900 |
|
|
.open = cmm_open,
|
| 1901 |
|
|
.release= cmm_close,
|
| 1902 |
|
|
};
|
| 1903 |
|
|
|
| 1904 |
|
|
static struct pcmcia_device_id cm4000_ids[] = {
|
| 1905 |
|
|
PCMCIA_DEVICE_MANF_CARD(0x0223, 0x0002),
|
| 1906 |
|
|
PCMCIA_DEVICE_PROD_ID12("CardMan", "4000", 0x2FB368CA, 0xA2BD8C39),
|
| 1907 |
|
|
PCMCIA_DEVICE_NULL,
|
| 1908 |
|
|
};
|
| 1909 |
|
|
MODULE_DEVICE_TABLE(pcmcia, cm4000_ids);
|
| 1910 |
|
|
|
| 1911 |
|
|
static struct pcmcia_driver cm4000_driver = {
|
| 1912 |
|
|
.owner = THIS_MODULE,
|
| 1913 |
|
|
.drv = {
|
| 1914 |
|
|
.name = "cm4000_cs",
|
| 1915 |
|
|
},
|
| 1916 |
|
|
.probe = cm4000_probe,
|
| 1917 |
|
|
.remove = cm4000_detach,
|
| 1918 |
|
|
.suspend = cm4000_suspend,
|
| 1919 |
|
|
.resume = cm4000_resume,
|
| 1920 |
|
|
.id_table = cm4000_ids,
|
| 1921 |
|
|
};
|
| 1922 |
|
|
|
| 1923 |
|
|
static int __init cmm_init(void)
|
| 1924 |
|
|
{
|
| 1925 |
|
|
int rc;
|
| 1926 |
|
|
|
| 1927 |
|
|
printk(KERN_INFO "%s\n", version);
|
| 1928 |
|
|
|
| 1929 |
|
|
cmm_class = class_create(THIS_MODULE, "cardman_4000");
|
| 1930 |
|
|
if (IS_ERR(cmm_class))
|
| 1931 |
|
|
return PTR_ERR(cmm_class);
|
| 1932 |
|
|
|
| 1933 |
|
|
major = register_chrdev(0, DEVICE_NAME, &cm4000_fops);
|
| 1934 |
|
|
if (major < 0) {
|
| 1935 |
|
|
printk(KERN_WARNING MODULE_NAME
|
| 1936 |
|
|
": could not get major number\n");
|
| 1937 |
|
|
class_destroy(cmm_class);
|
| 1938 |
|
|
return major;
|
| 1939 |
|
|
}
|
| 1940 |
|
|
|
| 1941 |
|
|
rc = pcmcia_register_driver(&cm4000_driver);
|
| 1942 |
|
|
if (rc < 0) {
|
| 1943 |
|
|
unregister_chrdev(major, DEVICE_NAME);
|
| 1944 |
|
|
class_destroy(cmm_class);
|
| 1945 |
|
|
return rc;
|
| 1946 |
|
|
}
|
| 1947 |
|
|
|
| 1948 |
|
|
return 0;
|
| 1949 |
|
|
}
|
| 1950 |
|
|
|
| 1951 |
|
|
static void __exit cmm_exit(void)
|
| 1952 |
|
|
{
|
| 1953 |
|
|
printk(KERN_INFO MODULE_NAME ": unloading\n");
|
| 1954 |
|
|
pcmcia_unregister_driver(&cm4000_driver);
|
| 1955 |
|
|
unregister_chrdev(major, DEVICE_NAME);
|
| 1956 |
|
|
class_destroy(cmm_class);
|
| 1957 |
|
|
};
|
| 1958 |
|
|
|
| 1959 |
|
|
module_init(cmm_init);
|
| 1960 |
|
|
module_exit(cmm_exit);
|
| 1961 |
|
|
MODULE_LICENSE("Dual BSD/GPL");
|
