static int timer_config(struct simio_device *dev,
const char *param, char **arg_text)
{
struct timer *tr = (struct timer *)dev;
if (!strcasecmp(param, "base"))
return config_addr(&tr->base_addr, arg_text);
if (!strcasecmp(param, "iv"))
return config_addr(&tr->iv_addr, arg_text);
if (!strcasecmp(param, "irq0"))
return config_irq(&tr->irq0, arg_text);
if (!strcasecmp(param, "irq1"))
return config_irq(&tr->irq1, arg_text);
if (!strcasecmp(param, "set"))
return config_channel(tr, arg_text);
printc_err("timer: config: unknown parameter: %s\n", param);
return -1;
}
/*
* pin: pin 0-9
* type: NULL/IN/OUT/IRQ
* value:
* IN: value=0
* OUT: value=0/1 reset value
* IRQ: value={emun irq_trigger_type}
*/
static int config_pin(int n, enum pin_type type, int value) {
int ret=-1;
if(n<0 || n > 9 || type < 0 || type > 3 || value < 0 || value > 2) {
printk("config pin params error\n");
return -1;
}
printk("config pin n=%d type=%d value=%d\n", n, type, value);
if(type == PIN_TYPE_NULL) {
if(pin_type[n] == PIN_TYPE_IRQ) {
if(n == 2) {
free_irq(irq1, vdev_dev);
} else if(n == 7) {
free_irq(irq2, vdev_dev);
} else if (n == 90) {
free_irq(irq3, vdev_dev);
}
}
ret = pinctrl_select_state(pinctrl, pin_in[n]);
if(ret<0) {
printk("pinctrl select state pin null[%d] error \n", n);
return -1;
}
gpio_direction_input(pin[n]);
pin_type[n] = PIN_TYPE_NULL;
return 0;
}
if(type == PIN_TYPE_IN) {
ret = pinctrl_select_state(pinctrl, pin_in[n]);
if(ret<0) {
printk("pinctrl select state pin in[%d] error\n", n);
return -1;
}
gpio_direction_input(pin[n]);
pin_type[n] = PIN_TYPE_IN;
return 0;
}
if(type == PIN_TYPE_OUT) {
ret = pinctrl_select_state(pinctrl, pin_out[n]);
if(ret<0) {
printk("pinctrl select state pin out[%d] error \n", n);
return -1;
}
gpio_direction_output(pin[n], value>0?1:0);
pin_type[n] = PIN_TYPE_OUT;
return 0;
}
if(type == PIN_TYPE_IRQ && (n == 2 || n == 7 || n == 9)) {
config_irq(n, value);
pin_type[n] = PIN_TYPE_IRQ;
return 0;
}
return ret;
}
