#include <asm/uaccess.h>
#include <asm/system.h>
-/* smartcard length */
-#define SMARTCARD_BYTES 64
#define LCD_MINOR 156
#define KEYPAD_MINOR 185
-#define SMARTCARD_MINOR 186
#define PANEL_VERSION "0.9.5"
#define LCD_MAXBYTES 256 /* max burst write */
-#define SMARTCARD_LOGICAL_DETECTOR "S6" /* D6 wired to SELECT = card inserted */
-
#define KEYPAD_BUFFER 64
#define INPUT_POLL_TIME (HZ/50) /* poll the keyboard this every second */
#define KEYPAD_REP_START (10) /* a key starts to repeat after this times INPUT_POLL_TIME */
#define PIN_SELECP 17
#define PIN_NOT_SET 127
-/* some smartcard-specific signals */
-#define PNL_SC_IO PNL_PD1 /* Warning! inverted output, 0=highZ */
-#define PNL_SC_RST PNL_PD2
-#define PNL_SC_CLK PNL_PD3
-#define PNL_SC_RW PNL_PD4
-#define PNL_SC_ENA PNL_PINITP
-#define PNL_SC_IOR PNL_PACK
-#define PNL_SC_BITS (PNL_SC_IO | PNL_SC_RST | PNL_SC_CLK | PNL_SC_RW)
-
#define LCD_FLAG_S 0x0001
#define LCD_FLAG_ID 0x0002
#define LCD_FLAG_B 0x0004 /* blink on */
static pmask_t phys_prev; /* previous phys_curr */
static char inputs_stable; /* 0 means that at least one logical signal needs be computed */
-/* these variables are specific to the smartcard */
-static __u8 smartcard_data[SMARTCARD_BYTES];
-static int smartcard_ptr; /* pointer to half bytes in smartcard_data */
-
/* these variables are specific to the keypad */
static char keypad_buffer[KEYPAD_BUFFER];
static int keypad_buflen;
static int keypad_start;
static char keypressed;
static wait_queue_head_t keypad_read_wait;
-static wait_queue_head_t smartcard_read_wait;
/* lcd-specific variables */
static unsigned long int lcd_flags; /* contains the LCD config state */
#define DEFAULT_PARPORT 0
#define DEFAULT_LCD LCD_TYPE_OLD
#define DEFAULT_KEYPAD KEYPAD_TYPE_OLD
-#define DEFAULT_SMARTCARD 0
#define DEFAULT_LCD_WIDTH 40
#define DEFAULT_LCD_BWIDTH 40
#define DEFAULT_LCD_HWIDTH 64
#define DEFAULT_KEYPAD CONFIG_PANEL_KEYPAD
#endif
-#ifdef CONFIG_PANEL_SMARTCARD
-#undef DEFAULT_SMARTCARD
-#define DEFAULT_SMARTCARD 1
-#endif
-
#ifdef CONFIG_PANEL_LCD
#undef DEFAULT_LCD
#define DEFAULT_LCD CONFIG_PANEL_LCD
#endif /* DEFAULT_PROFILE == 0 */
/* global variables */
-static int smartcard_open_cnt; /* #times opened */
static int keypad_open_cnt; /* #times opened */
static int lcd_open_cnt; /* #times opened */
static struct pardevice *pprt;
static int lcd_initialized;
static int keypad_initialized;
-static int smartcard_initialized;
static int light_tempo;
static DEFINE_SPINLOCK(pprt_lock);
static struct timer_list scan_timer;
-MODULE_DESCRIPTION("Generic parallel port LCD/Keypad/Smartcard driver");
+MODULE_DESCRIPTION("Generic parallel port LCD/Keypad driver");
static int parport = -1;
module_param(parport, int, 0000);
MODULE_PARM_DESC(keypad_type,
"Keypad type: 0=none, 1=old 6 keys, 2=new 6+1 keys, 3=nexcom 4 keys");
-static int smartcard_enabled = -1;
-module_param(smartcard_enabled, int, 0000);
-MODULE_PARM_DESC(smartcard_enabled,
- "Smartcard reader: 0=disabled (default), 1=enabled");
-
static int profile = DEFAULT_PROFILE;
module_param(profile, int, 0000);
MODULE_PARM_DESC(profile,
* (negative) if the signal is negated. -MAXINT is used to indicate that the
* pin has not been explicitly specified.
*
- * WARNING! no check will be performed about collisions with keypad/smartcard !
+ * WARNING! no check will be performed about collisions with keypad !
*/
static int lcd_e_pin = PIN_NOT_SET;
static void panel_scan_timer(void)
{
- if ((keypad_enabled && keypad_initialized)
- || (smartcard_enabled && smartcard_enabled)) {
-
+ if (keypad_enabled && keypad_initialized) {
if (spin_trylock(&pprt_lock)) {
phys_scan_contacts();
spin_unlock(&pprt_lock); /* no need for the parport anymore */
mod_timer(&scan_timer, jiffies + INPUT_POLL_TIME);
}
-/* send a high / low clock impulse of <duration> microseconds high and low */
-static void smartcard_send_clock(int duration)
-{
- int old;
-
- w_dtr(pprt, (old = r_dtr(pprt)) | PNL_SC_CLK);
- udelay(duration);
- w_dtr(pprt, (old & ~PNL_SC_CLK));
- udelay(duration);
-}
-
-static void smartcard_insert(int dummy)
-{
- int ofs;
-
- spin_lock(&pprt_lock);
- w_dtr(pprt, (r_dtr(pprt) & ~PNL_SC_BITS));
- w_ctr(pprt, (r_ctr(pprt) | PNL_SC_ENA));
-
- udelay(30); /* ensure the rst is low at least 30 us */
-
- smartcard_send_clock(100); /* reset address counter */
-
- w_dtr(pprt, r_dtr(pprt) | PNL_SC_RST);
- udelay(30); /* ensure the rst is high at least 30 us */
-
- for (ofs = 0; ofs < SMARTCARD_BYTES; ofs++) {
- int bit, byte;
- byte = 0;
- for (bit = 128; bit > 0; bit >>= 1) {
- if (!(r_str(pprt) & PNL_SC_IOR))
- byte |= bit;
- smartcard_send_clock(15); /* 15 us are enough for data */
- }
- smartcard_data[ofs] = byte;
- }
-
- w_dtr(pprt, (r_dtr(pprt) & ~PNL_SC_BITS));
- w_ctr(pprt, (r_ctr(pprt) & ~PNL_SC_ENA));
-
- spin_unlock(&pprt_lock);
-
- printk(KERN_INFO "Panel: smart card inserted : %02x%02x%02x%02x%1x\n",
- smartcard_data[2], smartcard_data[3], smartcard_data[4],
- smartcard_data[5], smartcard_data[6] >> 4);
- keypad_send_key("CardIn\n", 7);
-}
-
-static void smartcard_remove(int dummy)
-{
- printk(KERN_INFO "Panel: smart card removed : %02x%02x%02x%02x%1x\n",
- smartcard_data[2], smartcard_data[3], smartcard_data[4],
- smartcard_data[5], smartcard_data[6] >> 4);
- memset(smartcard_data, 0, sizeof(smartcard_data));
- keypad_send_key("CardOut\n", 8);
-}
-
-/*
- * These are the file operation function for user access to /dev/smartcard
- */
-
-static ssize_t smartcard_read(struct file *file,
- char *buf, size_t count, loff_t *ppos)
-{
-
- unsigned i = *ppos;
- char *tmp = buf;
-
- for (; count-- > 0 && (smartcard_ptr < 9); ++i, ++tmp, ++smartcard_ptr) {
- if (smartcard_ptr & 1)
- put_user('0' +
- (smartcard_data[2 + (smartcard_ptr >> 1)] &
- 0xF), tmp);
- else
- put_user('0' +
- (smartcard_data[2 + (smartcard_ptr >> 1)] >>
- 4), tmp);
- }
- *ppos = i;
-
- return tmp - buf;
-}
-
-static int smartcard_open(struct inode *inode, struct file *file)
-{
-
- if (smartcard_open_cnt)
- return -EBUSY; /* open only once at a time */
-
- if (file->f_mode & FMODE_WRITE) /* device is read-only */
- return -EPERM;
-
- smartcard_ptr = 0; /* flush the buffer on opening */
- smartcard_open_cnt++;
- return 0;
-}
-
-static int smartcard_release(struct inode *inode, struct file *file)
-{
- smartcard_open_cnt--;
- return 0;
-}
-
-static struct file_operations smartcard_fops = {
- .read = smartcard_read, /* read */
- .open = smartcard_open, /* open */
- .release = smartcard_release, /* close */
-};
-
-static struct miscdevice smartcard_dev = {
- SMARTCARD_MINOR,
- "smartcard",
- &smartcard_fops
-};
-
static void init_scan_timer(void)
{
if (scan_timer.function != NULL)
return key;
}
+#if 0
/* tries to bind a callback function to the signal name <name>. The function
* <press_fct> will be called with the <press_data> arg when the signal is
* activated, and so on for <release_fct>/<release_data>
list_add(&callback->list, &logical_inputs);
return callback;
}
+#endif
static void keypad_init(void)
{
keypad_initialized = 1;
}
-static void smartcard_init(void)
-{
- init_waitqueue_head(&smartcard_read_wait);
-
- panel_bind_callback(SMARTCARD_LOGICAL_DETECTOR, &smartcard_insert, 0,
- &smartcard_remove, 0);
- init_scan_timer();
- smartcard_enabled = 1;
-}
-
/**************************************************/
/* device initialization */
/**************************************************/
keypad_init();
misc_register(&keypad_dev);
}
-
- if (smartcard_enabled) {
- smartcard_init();
- misc_register(&smartcard_dev);
- }
}
static void panel_detach(struct parport *port)
return;
}
- if (smartcard_enabled && smartcard_initialized)
- misc_deregister(&smartcard_dev);
-
if (keypad_enabled && keypad_initialized)
misc_deregister(&keypad_dev);
case PANEL_PROFILE_CUSTOM: /* custom profile */
if (keypad_type < 0)
keypad_type = DEFAULT_KEYPAD;
- if (smartcard_enabled < 0)
- smartcard_enabled = DEFAULT_SMARTCARD;
if (lcd_type < 0)
lcd_type = DEFAULT_LCD;
break;
case PANEL_PROFILE_OLD: /* 8 bits, 2*16, old keypad */
if (keypad_type < 0)
keypad_type = KEYPAD_TYPE_OLD;
- if (smartcard_enabled < 0)
- smartcard_enabled = 0;
if (lcd_type < 0)
lcd_type = LCD_TYPE_OLD;
if (lcd_width < 0)
case PANEL_PROFILE_NEW: /* serial, 2*16, new keypad */
if (keypad_type < 0)
keypad_type = KEYPAD_TYPE_NEW;
- if (smartcard_enabled < 0)
- smartcard_enabled = 1;
if (lcd_type < 0)
lcd_type = LCD_TYPE_KS0074;
break;
case PANEL_PROFILE_HANTRONIX: /* 8 bits, 2*16 hantronix-like, no keypad */
if (keypad_type < 0)
keypad_type = KEYPAD_TYPE_NONE;
- if (smartcard_enabled < 0)
- smartcard_enabled = 0;
if (lcd_type < 0)
lcd_type = LCD_TYPE_HANTRONIX;
break;
case PANEL_PROFILE_NEXCOM: /* generic 8 bits, 2*16, nexcom keypad, eg. Nexcom. */
if (keypad_type < 0)
keypad_type = KEYPAD_TYPE_NEXCOM;
- if (smartcard_enabled < 0)
- smartcard_enabled = 0;
if (lcd_type < 0)
lcd_type = LCD_TYPE_NEXCOM;
break;
case PANEL_PROFILE_LARGE: /* 8 bits, 2*40, old keypad */
if (keypad_type < 0)
keypad_type = KEYPAD_TYPE_OLD;
- if (smartcard_enabled < 0)
- smartcard_enabled = 0;
if (lcd_type < 0)
lcd_type = LCD_TYPE_OLD;
break;
return -EIO;
}
- if (!lcd_enabled && !keypad_enabled && !smartcard_enabled) { /* no device enabled, let's release the parport */
+ if (!lcd_enabled && !keypad_enabled) {
+ /* no device enabled, let's release the parport */
if (pprt) {
parport_release(pprt);
parport_unregister_device(pprt);
if (keypad_enabled)
misc_deregister(&keypad_dev);
- if (smartcard_enabled)
- misc_deregister(&smartcard_dev);
-
if (lcd_enabled) {
panel_lcd_print("\x0cLCD driver " PANEL_VERSION
"\nunloaded.\x1b[Lc\x1b[Lb\x1b[L-");
projects / linux-2.6-omap-h63xx.git / commitdiff