static void
gpio_kpd_init(void)
{
KPD_DBG("\n");
socle_gpio_claim_lock();
// normal mode
socle_gpio_test_mode_en(PJ, 0);
// single low edge trigger (row - PJ0, PJ1, PJ2, PJ3)
socle_gpio_set_interrupt_sense_with_mask(PJ, 0x0, 0xf);
socle_gpio_set_interrupt_both_edges_with_mask(PJ, 0x0, 0xf);
socle_gpio_set_interrupt_event_with_mask(PJ, 0x0, 0xf);
// set row as input (row - PJ0, PJ1, PJ2, PJ3)
(void)socle_gpio_get_value_with_mask(PJ, 0xf);
// write col pins as 0 (col - PJ4, PJ5, PJ6, PJ7)
socle_gpio_set_value_with_mask(PJ, 0x0, 0xf0);
// enable all interrupt (row - PJ0, PJ1, PJ2, PJ3)
socle_gpio_set_interrupt_mask_with_mask(PJ, 0xf, 0xf);
socle_gpio_release_lock();
}
static void
pdk_keypad_input_report_key(void *param)
{
int row, col;
KPD_DBG("\n");
socle_gpio_claim_lock();
// read col pins (col - PJ4, PJ5, PJ6, PJ7)
tmp2 = socle_gpio_get_value_with_mask(PJ, 0xf0);
socle_gpio_release_lock();
KPD_DBG("tmp1 = 0x%x, tmp2 = 0x%x\n", tmp1, tmp2);
row = kpd_value_convert(tmp1 & 0xf);
col = kpd_value_convert((tmp2 & 0xf0) >> 4);
KPD_DBG("row = %d, col = %d\n", row, col);
pdk_keypad_report_key(row, col);
mdelay(200);
socle_gpio_claim_lock();
// write col pins as 0 (col - PJ4, PJ5, PJ6, PJ7)
socle_gpio_set_value_with_mask(PJ, 0x0, 0xf0);
// enable all interrupt (row - PJ0, PJ1, PJ2, PJ3)
socle_gpio_set_interrupt_mask_with_mask(PJ, 0xf, 0xf);
socle_gpio_release_lock();
}
static void
line_in_detection_isr (void *pparam)
{
int plug = socle_gpio_get_value_with_mask(PF, 0x80);
if (plug)
printf("Line-in plug\n");
else
printf("Line-in unplug\n");
}
static void
iPod_detection_isr (void *pparam)
{
int plug = socle_gpio_get_value_with_mask(PA, 0x10);
if (plug)
printf("iPod plug\n");
else
printf("iPod unplug\n");
}
static void
volume_tuner_isr (void *pparam)
{
int clockwise = socle_gpio_get_value_with_mask(PF, 0x20);
if (clockwise)
vol++;
else
vol--;
if (vol > MAX_VOLUME)
vol = MAX_VOLUME;
if (vol < 0)
vol = 0;
vol_change = 1;
printf("volume_tuner_isr(): vol = %d\n", vol);
}
