Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / ps3 / vuart.h

diff --git a/kernel/drivers/ps3/vuart.h b/kernel/drivers/ps3/vuart.h
new file mode 100644 (file)
index 0000000..23358b7
--- /dev/null
+++ b/kernel/drivers/ps3/vuart.h
@@ -0,0 +1,101 @@
+/*
+ *  PS3 virtual uart
+ *
+ *  Copyright (C) 2006 Sony Computer Entertainment Inc.
+ *  Copyright 2006 Sony Corp.
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#if !defined(_PS3_VUART_H)
+#define _PS3_VUART_H
+
+#include <asm/ps3.h>
+
+struct ps3_vuart_stats {
+       unsigned long bytes_written;
+       unsigned long bytes_read;
+       unsigned long tx_interrupts;
+       unsigned long rx_interrupts;
+       unsigned long disconnect_interrupts;
+};
+
+struct ps3_vuart_work {
+       struct work_struct work;
+       unsigned long trigger;
+       struct ps3_system_bus_device *dev; /* to convert work to device */
+};
+
+/**
+ * struct ps3_vuart_port_driver - a driver for a device on a vuart port
+ */
+
+struct ps3_vuart_port_driver {
+       struct ps3_system_bus_driver core;
+       int (*probe)(struct ps3_system_bus_device *);
+       int (*remove)(struct ps3_system_bus_device *);
+       void (*shutdown)(struct ps3_system_bus_device *);
+       void (*work)(struct ps3_system_bus_device *);
+       /* int (*tx_event)(struct ps3_system_bus_device *dev); */
+       /* int (*rx_event)(struct ps3_system_bus_device *dev); */
+       /* int (*disconnect_event)(struct ps3_system_bus_device *dev); */
+       /* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
+       /* int (*resume)(struct ps3_system_bus_device *); */
+};
+
+int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
+void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
+
+static inline struct ps3_vuart_port_driver *
+       ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev)
+{
+       struct ps3_system_bus_driver *sbd =
+               ps3_system_bus_dev_to_system_bus_drv(_dev);
+       BUG_ON(!sbd);
+       return container_of(sbd, struct ps3_vuart_port_driver, core);
+}
+static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev(
+       struct work_struct *_work)
+{
+       struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,
+               work);
+       return vw->dev;
+}
+
+int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf,
+       unsigned int bytes);
+int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf,
+       unsigned int bytes);
+int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes);
+void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev);
+void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev,
+       unsigned int bytes);
+
+struct vuart_triggers {
+       unsigned long rx;
+       unsigned long tx;
+};
+
+int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev,
+       struct vuart_triggers *trig);
+int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx,
+       unsigned int rx);
+int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev);
+int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev);
+int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev);
+int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev);
+int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev);
+int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev);
+
+#endif