X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fi8042.h;h=8d69fa13bc2a8ee150058644e528e3ee904c80af;hb=d3976cc2feddedf4283b9a567c8157e0ccb4226e;hp=963061920cbb3b94a28f54b0b20699842bf78b0b;hpb=5b9c79a81db80c3f9e50c77477957cd803429af8;p=oweals%2Fu-boot.git

diff --git a/include/i8042.h b/include/i8042.h
index 963061920c..8d69fa13bc 100644
--- a/include/i8042.h
+++ b/include/i8042.h
@@ -1,8 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2002 ELTEC Elektronik AG
  * Frank Gottschling <fgottschling@eltec.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /* i8042.h - Intel 8042 keyboard driver header */
@@ -10,70 +9,67 @@
 #ifndef _I8042_H_
 #define _I8042_H_
 
-#ifdef __I386__
-#include <common.h>
-#include <asm/io.h>
-#define in8(p) inb(p)
-#define out8(p,v) outb(v,p)
-#endif
-
 /* defines */
 
-#define I8042_DATA_REG      (CONFIG_SYS_ISA_IO + 0x0060)    /* keyboard i/o buffer */
-#define I8042_STATUS_REG    (CONFIG_SYS_ISA_IO + 0x0064)    /* keyboard status read */
-#define I8042_COMMAND_REG   (CONFIG_SYS_ISA_IO + 0x0064)    /* keyboard ctrl write */
+#define I8042_DATA_REG	0x60	/* keyboard i/o buffer */
+#define I8042_STS_REG	0x64	/* keyboard status read */
+#define I8042_CMD_REG	0x64	/* keyboard ctrl write */
 
-enum {
-	/* Output register (I8042_DATA_REG) has data for system */
-	I8042_STATUS_OUT_DATA	= 1 << 0,
-	I8042_STATUS_IN_DATA	= 1 << 1,
-};
+/* Status register bit defines */
+#define STATUS_OBF	(1 << 0)
+#define STATUS_IBF	(1 << 1)
 
-#define KBD_US              0        /* default US layout */
-#define KBD_GER             1        /* german layout */
+/* Configuration byte bit defines */
+#define CONFIG_KIRQ_EN	(1 << 0)
+#define CONFIG_MIRQ_EN	(1 << 1)
+#define CONFIG_SET_BIST	(1 << 2)
+#define CONFIG_KCLK_DIS	(1 << 4)
+#define CONFIG_MCLK_DIS	(1 << 5)
+#define CONFIG_AT_TRANS	(1 << 6)
 
-#define KBD_TIMEOUT         1000     /* 1 sec */
-#define KBD_RESET_TRIES     3
+/* i8042 commands */
+#define CMD_RD_CONFIG	0x20	/* read configuration byte */
+#define CMD_WR_CONFIG	0x60	/* write configuration byte */
+#define CMD_SELF_TEST	0xaa	/* controller self-test */
+#define CMD_KBD_DIS	0xad	/* keyboard disable */
+#define CMD_KBD_EN	0xae	/* keyboard enable */
+#define CMD_SET_KBD_LED	0xed	/* set keyboard led */
+#define CMD_DRAIN_OUTPUT 0xf4   /* drain output buffer */
+#define CMD_RESET_KBD	0xff	/* reset keyboard */
 
-#define AS                  0        /* normal character index */
-#define SH                  1        /* shift index */
-#define CN                  2        /* control index */
-#define NM                  3        /* numeric lock index */
-#define AK                  4        /* right alt key */
-#define CP                  5        /* capslock index */
-#define ST                  6        /* stop output index */
-#define EX                  7        /* extended code index */
-#define ES                  8        /* escape and extended code index */
+/* i8042 command result */
+#define KBC_TEST_OK	0x55
+#define KBD_ACK		0xfa
+#define KBD_POR		0xaa
 
-#define NORMAL              0x0000    /* normal key */
-#define STP                 0x0001    /* scroll lock stop output*/
-#define NUM                 0x0002    /* numeric lock */
-#define CAPS                0x0004    /* capslock */
-#define SHIFT               0x0008    /* shift */
-#define CTRL                0x0010    /* control*/
-#define EXT                 0x0020    /* extended scan code 0xe0 */
-#define ESC                 0x0040    /* escape key press */
-#define E1                  0x0080    /* extended scan code 0xe1 */
-#define BRK                 0x0100    /* make break flag for keyboard */
-#define ALT                 0x0200    /* right alt */
+/* keyboard scan codes */
 
-/* exports */
+#define KBD_US		0	/* default US layout */
+#define KBD_GER		1	/* german layout */
 
-/**
- * Flush all buffer from keyboard controller to host.
- */
-void i8042_flush(void);
+#define KBD_TIMEOUT	1000	/* 1 sec */
+#define KBD_RESET_TRIES	3
 
-/**
- * Disables the keyboard so that key strokes no longer generate scancodes to
- * the host.
- *
- * @return 0 if ok, -1 if keyboard input was found while disabling
- */
-int i8042_disable(void);
+#define AS		0	/* normal character index */
+#define SH		1	/* shift index */
+#define CN		2	/* control index */
+#define NM		3	/* numeric lock index */
+#define AK		4	/* right alt key */
+#define CP		5	/* capslock index */
+#define ST		6	/* stop output index */
+#define EX		7	/* extended code index */
+#define ES		8	/* escape and extended code index */
 
-int i8042_kbd_init(void);
-int i8042_tstc(void);
-int i8042_getc(void);
+#define NORMAL		0x0000	/* normal key */
+#define STP		0x0001	/* scroll lock stop output*/
+#define NUM		0x0002	/* numeric lock */
+#define CAPS		0x0004	/* capslock */
+#define SHIFT		0x0008	/* shift */
+#define CTRL		0x0010	/* control*/
+#define EXT		0x0020	/* extended scan code 0xe0 */
+#define ESC		0x0040	/* escape key press */
+#define E1		0x0080	/* extended scan code 0xe1 */
+#define BRK		0x0100	/* make break flag for keyboard */
+#define ALT		0x0200	/* right alt */
 
 #endif /* _I8042_H_ */