int init_module(void)
{
int retval;
retval=init_chrdev();
if(retval < 0)
return retval;
retval = init_lirc_it87();
if (retval) {
drop_chrdev();
return retval;
}
return 0;
}
/*!
* This function initializes the driver in terms of memory of the soundcard
* and some basic HW clock settings.
*
* @return 0 on success, -1 otherwise.
*/
static int __init usi_modem_ioctrl_probe(struct platform_device *pdev)
{
int grc, irq = 0;
dbg("%s, %s\n", __func__, "entry");
#ifdef USI_MODEM_USBEN
/* MODEM_USBEN */
grc = gpio_request(USI_MODEM_USBEN, "modem-usben");
if (grc)
goto err_gpio_usben_req;
grc = gpio_direction_output(USI_MODEM_USBEN, 1);
if (grc)
goto err_gpio_usben_dir;
#endif
#ifdef USI_MODEM_APReady
/* MODEM_APReady */
grc = gpio_request(USI_MODEM_APReady, "modem-apready");
if (grc)
goto err_gpio_apready_req;
grc = gpio_direction_output(USI_MODEM_APReady, 1);
if (grc)
goto err_gpio_apready_dir;
#endif
#ifdef USI_MODEM_POWERKEY
/* MODEM_POWERKEY */
grc = gpio_request(USI_MODEM_POWERKEY, "modem-powerkey");
if (grc)
goto err_gpio_powerkey_req;
grc = gpio_direction_output(USI_MODEM_POWERKEY, 0);
if (grc)
goto err_gpio_powerkey_dir;
#endif
#ifdef USI_MODEM_UARTEN
/* MODEM_UARTEN */
grc = gpio_request(USI_MODEM_UARTEN, "modem-uarten");
if (grc)
goto err_gpio_uarten_req;
grc = gpio_direction_output(USI_MODEM_UARTEN, 1);
if (grc)
goto err_gpio_uarten_dir;
#endif
#ifdef USI_MODEM_APWAKE
/* MODEM_APWAKE */
grc = gpio_request(USI_MODEM_APWAKE, "modem-apawake");
if (grc) {
goto err_gpio_apwake_req;
}
gpio_direction_input(USI_MODEM_APWAKE);
irq = gpio_to_irq(USI_MODEM_APWAKE);
if(irq < 0)
{
gpio_free(USI_MODEM_APWAKE);
printk("failed to request modem-apawake\n");
}
grc = request_irq(irq, detect_irq_handler, IRQ_BB_WAKEUP_AP_TRIGGER, "modem-apawake", NULL);
if (grc < 0) {
printk("%s: request_irq(%d) failed\n", __func__, irq);
gpio_free(USI_MODEM_APWAKE);
goto err_gpio_apwake_dir;
}
enable_irq_wake(irq);
wake_lock_init(&modem_wakelock, WAKE_LOCK_SUSPEND, "modem-apawake");
#endif
/* Check Modem exist */
modem_exist();
/* Register character device */
init_chrdev(&(pdev->dev));
return 0;
#ifdef USI_MODEM_POWERKEY
err_gpio_powerkey_dir:
printk(KERN_ERR "%s: USI_MODEM_POWERKEY gpio(%d) setting failed\n", __func__, USI_MODEM_POWERKEY);
gpio_free(USI_MODEM_POWERKEY);
err_gpio_powerkey_req:
printk(KERN_ERR "%s: USI_MODEM_POWERKEY gpio(%d) request failed\n", __func__, USI_MODEM_POWERKEY);
#endif
#ifdef USI_MODEM_UARTEN
err_gpio_uarten_dir:
printk(KERN_ERR "%s: USI_MODEM_UARTEN gpio(%d) setting failed\n", __func__, USI_MODEM_UARTEN);
gpio_free(USI_MODEM_UARTEN);
err_gpio_uarten_req:
printk(KERN_ERR "%s: USI_MODEM_UARTEN gpio(%d) request failed\n", __func__, USI_MODEM_UARTEN);
#endif
#ifdef USI_MODEM_USBEN
err_gpio_usben_dir:
printk(KERN_ERR "%s: USI_MODEM_USBEN gpio(%d) setting failed\n", __func__, USI_MODEM_USBEN);
gpio_free(USI_MODEM_USBEN);
err_gpio_usben_req:
printk(KERN_ERR "%s: USI_MODEM_USBEN gpio(%d) request failed\n", __func__, USI_MODEM_USBEN);
#endif
#ifdef USI_MODEM_APReady
err_gpio_apready_dir:
printk(KERN_ERR "%s: USI_MODEM_APReady gpio(%d) setting failed\n", __func__, USI_MODEM_APReady);
gpio_free(USI_MODEM_APReady);
err_gpio_apready_req:
printk(KERN_ERR "%s: USI_MODEM_APReady gpio(%d) request failed\n", __func__, USI_MODEM_APReady);
#endif
#ifdef USI_MODEM_APWAKE
err_gpio_apwake_dir:
printk(KERN_ERR "%s: USI_MODEM_APWAKE gpio(%d) setting failed\n", __func__, USI_MODEM_APWAKE);
gpio_free(USI_MODEM_APWAKE);
err_gpio_apwake_req:
printk(KERN_ERR "%s: USI_MODEM_APWAKE gpio(%d) request failed\n", __func__, USI_MODEM_APWAKE);
#endif
return grc;
}
