diff options
| author | Patrick Rudolph <siro@das-labor.org> | 2017-03-01 19:07:37 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2018-05-15 11:20:06 +0000 |
| commit | e6a3821b97bdbe817646f3b151ace7d4471c2fab (patch) | |
| tree | bcf50c147502e8421dcc2cb4e80b4822f1760348 /payloads/libpayload/include/libpayload.h | |
| parent | 2b2f89565e1298ba9dad355d2de0c943a846acbb (diff) | |
libpayload-x86: Add common i8042 driver
Add a common i8042 driver that uses multiple overflowing
fifos to seperate PS/2 port and PS/2 aux port.
Required to support PC keyboard and PC mouse at the same time.
Tested on Lenovo T500.
Change-Id: I4ca803bfa3ed45111776eef1f4dccd3fab02ea39
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/18594
Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'payloads/libpayload/include/libpayload.h')
| -rw-r--r-- | payloads/libpayload/include/libpayload.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 43ecd05b02..96cc5f8165 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -179,6 +179,31 @@ u8 mouse_cursor_get_acceleration(void); /** @} */ /** + * @defgroup i8042 controller functions + * @ingroup input + * @{ + */ +size_t i8042_has_ps2(void); +size_t i8042_has_aux(void); + +u8 i8042_probe(void); +void i8042_close(void); + +int i8042_cmd(u8 cmd); +void i8042_write_data(u8 data); + +u8 i8042_data_ready_ps2(void); +u8 i8042_data_ready_aux(void); + +u8 i8042_read_data_ps2(void); +u8 i8042_read_data_aux(void); + +int i8042_wait_read_ps2(void); +int i8042_wait_read_aux(void); + +/** @} */ + +/** * @defgroup serial Serial functions * @ingroup input * @{ |