static int multipdp_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
int ret, adjust;
pdp_arg_t pdp_arg;
//DPRINTK("multipdp_ioctl cmd=%d\n", cmd);
switch (cmd) {
case HN_PDP_ACTIVATE:
if (copy_from_user(&pdp_arg, (void *)arg, sizeof(pdp_arg)))
return -EFAULT;
ret = pdp_activate(&pdp_arg, DEV_TYPE_NET, 0);
if (ret < 0) {
return ret;
}
return copy_to_user((void *)arg, &pdp_arg, sizeof(pdp_arg));
case HN_PDP_DEACTIVATE:
if (copy_from_user(&pdp_arg, (void *)arg, sizeof(pdp_arg)))
return -EFAULT;
return pdp_deactivate(&pdp_arg, 0);
case HN_PDP_ADJUST:
if (copy_from_user(&adjust, (void *)arg, sizeof (int)))
return -EFAULT;
return pdp_adjust(adjust);
case HN_PDP_TXSTART:
pdp_tx_flag = 0;
return 0;
case HN_PDP_TXSTOP:
pdp_tx_flag = 1;
return 0;
case HN_PDP_CSDSTART:
pdp_csd_flag = 0;
return 0;
case HN_PDP_CSDSTOP:
pdp_csd_flag = 1;
return 0;
}
return -EINVAL;
}
static int __init multipdp_init(void)
{
int ret;
pdp_arg_t pdp_arg = { .id = 1, .ifname = "ttyCSD", };
pdp_arg_t efs_arg = { .id = 8, .ifname = "ttyEFS", };
pdp_arg_t gps_arg = { .id = 5, .ifname = "ttyGPS", };
pdp_arg_t xtra_arg = { .id = 6, .ifname = "ttyXTRA", };
pdp_arg_t smd_arg = { .id = 25, .ifname = "ttySMD", };
pdp_arg_t pcm_arg = { .id = 30, .ifname = "ttyPCM", } ;
#ifdef LOOP_BACK_TEST
pdp_arg_t loopback_arg = { .id = 31, .ifname = "ttyLOBK", };
#endif
/* run DPRAM I/O thread */
ret = kernel_thread(dpram_thread, NULL, CLONE_FS | CLONE_FILES);
if (ret < 0) {
EPRINTK("kernel_thread() failed\n");
return ret;
}
wait_for_completion(&dpram_complete);
if (!dpram_task) {
EPRINTK("DPRAM I/O thread error\n");
return -EIO;
}
/* create serial device for Circuit Switched Data */
ret = pdp_activate(&pdp_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for CSD\n");
goto err0;
}
ret = pdp_activate(&efs_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for EFS\n");
goto err1;
}
ret = pdp_activate(&gps_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for GPS\n");
goto err2;
}
ret = pdp_activate(&xtra_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for XTRA\n");
goto err3;
}
ret = pdp_activate(&smd_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for SMD\n");
goto err4;
}
ret = pdp_activate(&pcm_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for SMD\n");
goto err5;
}
#ifdef LOOP_BACK_TEST
ret = pdp_activate(&loopback_arg, DEV_TYPE_SERIAL, DEV_FLAG_STICKY);
if (ret < 0) {
EPRINTK("failed to create a serial device for LoopBack\n");
goto err6;
}
#endif
/* create app. interface device */
ret = misc_register(&multipdp_dev);
if (ret < 0) {
EPRINTK("misc_register() failed\n");
goto err1;
}
#ifdef LOOP_BACK_TEST
ret = device_create_file(multipdp_dev.this_device, &dev_attr_loopback);
#endif
#ifdef CONFIG_PROC_FS
create_proc_read_entry(APP_DEVNAME, 0, 0,
multipdp_proc_read, NULL);
#endif
#ifdef NO_TTY_DPRAM
printk("multipdp_init:multipdp_rx_noti_regi calling");
multipdp_rx_noti_regi(multipdp_rx_cback );
#endif
// printk(KERN_INFO
// "$Id: multipdp.c,v 1.10 2008/01/11 05:40:56 melonzz Exp $\n");
return 0;
#ifdef LOOP_BACK_TEST
err6:
pdp_deactivate(&loopback_arg, 1);
#endif
err5:
/* undo serial device for Circuit Switched Data */
pdp_deactivate(&pcm_arg, 1);
err4:
/* undo serial device for Circuit Switched Data */
pdp_deactivate(&smd_arg, 1);
err3:
/* undo serial device for Circuit Switched Data */
pdp_deactivate(&xtra_arg, 1);
err2:
/* undo serial device for Circuit Switched Data */
pdp_deactivate(&gps_arg, 1);
err1:
/* undo serial device for Circuit Switched Data */
pdp_deactivate(&pdp_arg, 1);
err0:
/* kill DPRAM I/O thread */
if (dpram_task) {
send_sig(SIGUSR1, dpram_task, 1);
wait_for_completion(&dpram_complete);
}
return ret;
}
static void __exit multipdp_exit(void)
{
#ifdef CONFIG_PROC_FS
remove_proc_entry(APP_DEVNAME, 0);
#endif
/* remove app. interface device */
misc_deregister(&multipdp_dev);
/* clean up PDP context table */
pdp_cleanup();
/* kill DPRAM I/O thread */
if (dpram_task) {
send_sig(SIGUSR1, dpram_task, 1);
wait_for_completion(&dpram_complete);
}
}
//module_init(multipdp_init);
late_initcall(multipdp_init);
module_exit(multipdp_exit);
MODULE_AUTHOR("SAMSUNG ELECTRONICS CO., LTD");
MODULE_DESCRIPTION("Multiple PDP Muxer / Demuxer");
MODULE_LICENSE("GPL");
