diff options
| -rw-r--r-- | chip/npcx/lpc.c | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/chip/npcx/lpc.c b/chip/npcx/lpc.c index 09dc8c7f20..18b464f294 100644 --- a/chip/npcx/lpc.c +++ b/chip/npcx/lpc.c @@ -299,7 +299,7 @@ int lpc_keyboard_input_pending(void) return (NPCX_HIKMST&0x02) ? 1 : 0; } -/* Put a char to host buffer and send IRQ if specified. */ +/* Put a char to host buffer by HIKDO and send IRQ if specified. */ void lpc_keyboard_put_char(uint8_t chr, int send_irq) { NPCX_HIKDO = chr; @@ -313,6 +313,17 @@ void lpc_keyboard_put_char(uint8_t chr, int send_irq) } } +/* Put a char to host buffer by HIMDO */ +void lpc_mouse_put_char(uint8_t chr) +{ + NPCX_HIMDO = chr; + CPRINTS("Mouse 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); +} + void lpc_keyboard_clear_buffer(void) { /* @@ -586,10 +597,17 @@ void host_register_init(void) sib_write_reg(SIO_OFFSET, 0x07, 0x11); sib_write_reg(SIO_OFFSET, 0x30, 0x01); - /* enable KBC*/ + /* Enable kbc and mouse */ #ifdef HAS_TASK_KEYPROTO + /* LDN = 0x06 : keyboard */ sib_write_reg(SIO_OFFSET, 0x07, 0x06); sib_write_reg(SIO_OFFSET, 0x30, 0x01); + + /* LDN = 0x05 : mouse */ + if (IS_ENABLED(CONFIG_PS2)) { + sib_write_reg(SIO_OFFSET, 0x07, 0x05); + sib_write_reg(SIO_OFFSET, 0x30, 0x01); + } #endif /* Setting PMC2 */ |