From 462eaa9531b9e62916b02ab52759cd070de755d3 Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Wed, 14 Apr 2021 14:34:38 +0200
Subject: Implemented some I/O interfaces

---
 kernel/drivers/ps2/mouse.c | 119 +++++----------------------------------------
 1 file changed, 11 insertions(+), 108 deletions(-)

(limited to 'kernel/drivers/ps2/mouse.c')

diff --git a/kernel/drivers/ps2/mouse.c b/kernel/drivers/ps2/mouse.c
index 9b3fa2e..1d3c1ae 100644
--- a/kernel/drivers/ps2/mouse.c
+++ b/kernel/drivers/ps2/mouse.c
@@ -3,8 +3,8 @@
 #include <boot.h>
 #include <cpu.h>
 #include <errno.h>
-#include <fs.h>
 #include <interrupts.h>
+#include <io.h>
 #include <mem.h>
 #include <print.h>
 #include <proc.h>
@@ -14,7 +14,6 @@
 #include <sys.h>
 
 PROTECTED static struct stack *queue = NULL;
-PROTECTED static u32 dev_id = 0;
 
 static struct event_mouse *event = NULL;
 static char mouse_cycle = 0;
@@ -52,46 +51,13 @@ static void mouse_handler(struct regs *r)
 	}
 }
 
-#define MOUSE_WAIT_OUT 0
-#define MOUSE_WAIT_IN 1
-CLEAR static void mouse_serial_wait(u8 in)
-{
-	u32 time_out = 100000;
-	if (in) {
-		while (time_out--)
-			if (ps2_read_status().in_full)
-				return;
-		return;
-	} else {
-		while (time_out--)
-			if (ps2_read_status().out_full)
-				return;
-		return;
-	}
-}
-
-CLEAR static void mouse_serial_write(u8 data)
-{
-	mouse_serial_wait(MOUSE_WAIT_IN);
-	ps2_write_command(0xd4);
-	mouse_serial_wait(MOUSE_WAIT_IN);
-	ps2_write_data(data);
-}
-
-CLEAR static u8 mouse_serial_read(void)
-{
-	mouse_serial_wait(MOUSE_WAIT_OUT);
-	return ps2_read_data();
-}
-
 static res mouse_ready(void)
 {
 	return !stack_empty(queue);
 }
 
-static res mouse_read(void *buf, u32 offset, u32 count, struct vfs_dev *dev)
+static res mouse_read(void *buf, u32 offset, u32 count)
 {
-	(void)dev;
 	if (stack_empty(queue))
 		return -EINVAL;
 
@@ -101,96 +67,33 @@ static res mouse_read(void *buf, u32 offset, u32 count, struct vfs_dev *dev)
 	return MIN(count, sizeof(*e));
 }
 
-CLEAR void ps2_mouse_install(void)
+CLEAR void ps2_mouse_install(u8 device)
 {
 	u8 status;
 
 	// Enable auxiliary mouse device
-	mouse_serial_wait(MOUSE_WAIT_IN);
-	ps2_write_command(0xa8);
+	ps2_write_device(device, 0xa8);
 
 	// Enable interrupts
-	mouse_serial_wait(MOUSE_WAIT_IN);
 	ps2_write_command(0x20);
-	mouse_serial_wait(MOUSE_WAIT_OUT);
 	status = ps2_read_data() | 3;
-	mouse_serial_wait(MOUSE_WAIT_IN);
 	ps2_write_command(0x60);
-	mouse_serial_wait(MOUSE_WAIT_IN);
 	ps2_write_data(status);
 
 	// Use default settings
-	mouse_serial_write(0xf6);
-	mouse_serial_read();
-
-	// Enable mousewheel
-	mouse_serial_write(0xf2);
-	mouse_serial_read();
-	mouse_serial_read();
-	mouse_serial_write(0xf3);
-	mouse_serial_read();
-	mouse_serial_write(200);
-	mouse_serial_read();
-	mouse_serial_write(0xf3);
-	mouse_serial_read();
-	mouse_serial_write(100);
-	mouse_serial_read();
-	mouse_serial_write(0xf3);
-	mouse_serial_read();
-	mouse_serial_write(80);
-	mouse_serial_read();
-	mouse_serial_write(0xf2);
-	mouse_serial_read();
-	status = (u8)mouse_serial_read();
-	if (status == 3) {
-	}
-	/* printf("Scrollwheel support!\n"); */
-
-	// Activate 4th and 5th mouse buttons
-	mouse_serial_write(0xf2);
-	mouse_serial_read();
-	mouse_serial_read();
-	mouse_serial_write(0xf3);
-	mouse_serial_read();
-	mouse_serial_write(200);
-	mouse_serial_read();
-	mouse_serial_write(0xf3);
-	mouse_serial_read();
-	mouse_serial_write(200);
-	mouse_serial_read();
-	mouse_serial_write(0xf3);
-	mouse_serial_read();
-	mouse_serial_write(80);
-	mouse_serial_read();
-	mouse_serial_write(0xf2);
-	mouse_serial_read();
-	status = (u8)mouse_serial_read();
-	if (status == 4) {
-	}
-	/* printf("4th and 5th mouse button support!\n"); */
-
-	/* TODO: Fix mouse laggyness
-	mouse_serial_write(0xE8);
-	mouse_serial_read();
-	mouse_serial_write(0x03);
-	mouse_serial_read();
-	mouse_serial_write(0xF3);
-	mouse_serial_read();
-	mouse_serial_write(200);
-	mouse_serial_read(); */
+	ps2_write_device(device, 0xf6);
+	ps2_read_data();
 
 	// Enable mouse
-	mouse_serial_write(0xf4);
-	mouse_serial_read();
+	ps2_write_device(device, 0xf4);
+	ps2_read_data();
 
 	// Setup the mouse handler
 	irq_install_handler(12, mouse_handler);
 
 	queue = stack_new();
-	struct vfs_dev *dev = zalloc(sizeof(*dev));
-	dev->name = strdup("mouse");
-	dev->type = DEV_CHAR;
+	struct io_dev *dev = zalloc(sizeof(*dev));
 	dev->read = mouse_read;
-	/* device_add(dev); */
-	dev_id = dev->id;
+	dev->ready = mouse_ready;
+	io_add(IO_MOUSE, dev);
 }
-- 
cgit v1.2.3