int psaux_init(void)
{
int retval;
if (!detect_auxiliary_port())
return -1;
kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE); /* Enable Aux. */
aux_write_ack(AUX_SET_SAMPLE);
aux_write_ack(100); /* 100 samples/sec */
aux_write_ack(AUX_SET_RES);
aux_write_ack(3); /* 8 counts per mm */
aux_write_ack(AUX_SET_SCALE21); /* 2:1 scaling */
kbd_write_command(KBD_CCMD_MOUSE_DISABLE); /* Disable aux device. */
kbd_write_cmd(AUX_INTS_OFF); /* Disable controller ints. */
//---------------------------------------
kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE); /* Enable the
auxiliary port on
controller. */
aux_write_ack(AUX_ENABLE_DEV); /* Enable aux device */
kbd_write_cmd(AUX_INTS_ON); /* Enable controller ints */
mdelay(2); /* Ensure we follow the kbc access delay rules.. */
send_data(KBD_CMD_ENABLE); /* try to workaround toshiba4030cdt problem */
return 0;
}
static int __init psaux_init(void)
{
int retval;
if (!detect_auxiliary_port())
return -EIO;
if ((retval = misc_register(&psaux_mouse)))
return retval;
queue = (struct aux_queue *) kmalloc(sizeof(*queue), GFP_KERNEL);
if (queue == NULL) {
printk(KERN_ERR "psaux_init(): out of memory\n");
misc_deregister(&psaux_mouse);
return -ENOMEM;
}
memset(queue, 0, sizeof(*queue));
queue->head = queue->tail = 0;
init_waitqueue_head(&queue->proc_list);
#ifdef INITIALIZE_MOUSE
kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE); /* Enable Aux. */
aux_write_ack(AUX_SET_SAMPLE);
aux_write_ack(100); /* 100 samples/sec */
aux_write_ack(AUX_SET_RES);
aux_write_ack(3); /* 8 counts per mm */
aux_write_ack(AUX_SET_SCALE21); /* 2:1 scaling */
#endif /* INITIALIZE_MOUSE */
kbd_write_command(KBD_CCMD_MOUSE_DISABLE); /* Disable aux device. */
kbd_write_cmd(AUX_INTS_OFF); /* Disable controller ints. */
return 0;
}
static int release_aux(void)
{
if (--aux_count)
return 0;
kbd_write_cmd(AUX_INTS_OFF); /* Disable controller ints */
kbd_write_command_w(KBD_CCMD_MOUSE_DISABLE);
BSP_remove_rtems_irq_handler( &ps2_isr_data );
return 0;
}
static int release_aux(struct inode * inode, struct file * file)
{
lock_kernel();
fasync_aux(-1, file, 0);
if (--aux_count) {
unlock_kernel();
return 0;
}
kbd_write_cmd(AUX_INTS_OFF); /* Disable controller ints */
kbd_write_command_w(KBD_CCMD_MOUSE_DISABLE);
aux_free_irq(AUX_DEV);
unlock_kernel();
return 0;
}
static int open_aux(void)
{
int status;
if (aux_count++) {
return 0;
}
queue->head = queue->tail = 0; /* Flush input queue */
status = BSP_install_rtems_irq_handler( &ps2_isr_data );
if( !status ) {
printk("Error installing ps2-mouse interrupt handler!\n" );
rtems_fatal_error_occurred( status );
}
kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE); /* Enable the auxiliary port on
controller. */
aux_write_ack(AUX_ENABLE_DEV); /* Enable aux device */
kbd_write_cmd(AUX_INTS_ON); /* Enable controller ints */
return 0;
}
static int open_aux(struct inode * inode, struct file * file)
{
if (aux_count++) {
return 0;
}
queue->head = queue->tail = 0; /* Flush input queue */
if (aux_request_irq(keyboard_interrupt, AUX_DEV)) {
aux_count--;
return -EBUSY;
}
kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE); /* Enable the
auxiliary port on
controller. */
aux_write_ack(AUX_ENABLE_DEV); /* Enable aux device */
kbd_write_cmd(AUX_INTS_ON); /* Enable controller ints */
mdelay(2); /* Ensure we follow the kbc access delay rules.. */
send_data(KBD_CMD_ENABLE); /* try to workaround toshiba4030cdt problem */
return 0;
}
static int psaux_init( void )
{
if( !detect_auxiliary_port() ) {
printk( "PS/2 - mouse not found.\n" );
return -EIO;
}
queue = (struct aux_queue *)malloc( sizeof(*queue) );
memset(queue, 0, sizeof(*queue));
queue->head = queue->tail = 0;
queue->proc_list = NULL;
#ifdef INITIALIZE_MOUSE
kbd_write_command_w(KBD_CCMD_MOUSE_ENABLE); /* Enable Aux. */
aux_write_ack(AUX_SET_SAMPLE);
aux_write_ack(100); /* 100 samples/sec */
aux_write_ack(AUX_SET_RES);
aux_write_ack(3); /* 8 counts per mm */
aux_write_ack(AUX_SET_SCALE21); /* 2:1 scaling */
#endif /* INITIALIZE_MOUSE */
kbd_write_command(KBD_CCMD_MOUSE_DISABLE); /* Disable aux device. */
kbd_write_cmd(AUX_INTS_OFF); /* Disable controller ints. */
return 0;
}
