/* Put a char to host buffer and send IRQ if specified. */
void lpc_keyboard_put_char(uint8_t chr, int send_irq)
{
NPCX_HIKDO = chr;
CPRINTS("KB put %02x", chr);
/* Enable OBE interrupt to detect host read data out */
SET_BIT(NPCX_HICTRL, NPCX_HICTRL_OBECIE);
task_enable_irq(NPCX_IRQ_KBC_OBE);
if (send_irq) {
keyboard_irq_assert();
}
}
void lpc_keyboard_resume_irq(void)
{
if (lpc_keyboard_has_char()) {
#ifdef CONFIG_KEYBOARD_IRQ_GPIO
keyboard_irq_assert();
#else
/* The IRQ1 is controlled by the IRQ1B bit in KBIRQR. */
IT83XX_KBC_KBHICR &= ~0x01;
/*
* When the OBFKIE bit in KBC Host Interface Control Register
* (KBHICR) is 0, the bit directly controls the IRQ1 signal.
*/
IT83XX_KBC_KBIRQR |= 0x01;
#endif
task_clear_pending_irq(IT83XX_IRQ_KBC_OUT);
task_enable_irq(IT83XX_IRQ_KBC_OUT);
}
}
void lpc_keyboard_put_char(uint8_t chr, int send_irq)
{
/* Clear programming data bit 7-4 */
IT83XX_KBC_KBHISR &= 0x0F;
/* keyboard */
IT83XX_KBC_KBHISR |= 0x10;
#ifdef CONFIG_KEYBOARD_IRQ_GPIO
task_clear_pending_irq(IT83XX_IRQ_KBC_OUT);
/* The data output to the KBC Data Output Register. */
IT83XX_KBC_KBHIKDOR = chr;
task_enable_irq(IT83XX_IRQ_KBC_OUT);
if (send_irq)
keyboard_irq_assert();
#else
/*
* bit0 = 0, The IRQ1 is controlled by the IRQ1B bit in KBIRQR.
* bit1 = 0, The IRQ12 is controlled by the IRQ12B bit in KBIRQR.
*/
IT83XX_KBC_KBHICR &= 0x3C;
/*
* Enable the interrupt to keyboard driver in the host processor
* via SERIRQ when the output buffer is full.
*/
if (send_irq)
IT83XX_KBC_KBHICR |= 0x01;
udelay(16);
task_clear_pending_irq(IT83XX_IRQ_KBC_OUT);
/* The data output to the KBC Data Output Register. */
IT83XX_KBC_KBHIKDOR = chr;
task_enable_irq(IT83XX_IRQ_KBC_OUT);
#endif
}
void lpc_keyboard_resume_irq(void)
{
if (lpc_keyboard_has_char())
keyboard_irq_assert();
}
void lpc_keyboard_put_char(uint8_t chr, int send_irq)
{
MEC1322_8042_E2H = chr;
if (send_irq)
keyboard_irq_assert();
}
/* Put a char to host buffer and send IRQ if specified. */
void lpc_keyboard_put_char(uint8_t chr, int send_irq)
{
LPC_POOL_KEYBOARD[1] = chr;
if (send_irq)
keyboard_irq_assert();
}