Changeset 797ab95 in mainline for uspace/drv/char/i8042/i8042.c

Timestamp:

2025-03-07T22:35:36Z (3 days ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

master

Children:

0ae9e18

Parents:

b9cc81c6

Message:

Implement quiesce in i8042.

File:

• uspace/drv/char/i8042/i8042.c (modified) (2 diffs)

uspace/drv/char/i8042/i8042.c

@@ -1 +1 @@
 /*
+ * Copyright (c) 2025 Jiri Svoboda
  * Copyright (c) 2001-2004 Jakub Jermar
  * Copyright (c) 2006 Josef Cejka
- * Copyright (c) 2021 Jiri Svoboda
  * Copyright (c) 2011 Jan Vesely
  * All rights reserved.
@@ -346 +346 @@
 }
 
+/** Quiesce i8042.
+ *
+ * @param dev i8042 instance.
+ */
+void i8042_quiesce(i8042_t *dev)
+{
+        /* Disable port interrupts. */
+        wait_ready(dev);
+        pio_write_8(&dev->regs->status, i8042_CMD_WRITE_CMDB);
+        wait_ready(dev);
+        pio_write_8(&dev->regs->data, i8042_KBD_TRANSLATE);
+}
+
 /** Write data to i8042 port.
  *