This commit was manufactured by cvs2svn to create branch 'vserver'.

[linux-2.6.git] / drivers / ps3 / vuart.h

diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h
new file mode 100644 (file)
index 0000000..28fd89f
--- /dev/null
+++ b/drivers/ps3/vuart.h
@@ -0,0 +1,94 @@
+/*
+ *  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
+
+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_port_device - a device on a vuart port
+ */
+
+struct ps3_vuart_port_device {
+       enum ps3_match_id match_id;
+       struct device core;
+
+       /* private driver variables */
+       unsigned int port_number;
+       unsigned long interrupt_mask;
+       struct {
+               spinlock_t lock;
+               struct list_head head;
+       } tx_list;
+       struct {
+               unsigned long bytes_held;
+               spinlock_t lock;
+               struct list_head head;
+       } rx_list;
+       struct ps3_vuart_stats stats;
+};
+
+/**
+ * struct ps3_vuart_port_driver - a driver for a device on a vuart port
+ */
+
+struct ps3_vuart_port_driver {
+       enum ps3_match_id match_id;
+       struct device_driver core;
+       int (*probe)(struct ps3_vuart_port_device *);
+       int (*remove)(struct ps3_vuart_port_device *);
+       int (*tx_event)(struct ps3_vuart_port_device *dev);
+       int (*rx_event)(struct ps3_vuart_port_device *dev);
+       int (*disconnect_event)(struct ps3_vuart_port_device *dev);
+       /* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */
+       /* int (*resume)(struct ps3_vuart_port_device *); */
+};
+
+int ps3_vuart_port_device_register(struct ps3_vuart_port_device *dev);
+int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
+void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
+int ps3_vuart_write(struct ps3_vuart_port_device *dev,
+       const void* buf, unsigned int bytes);
+int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf,
+       unsigned int bytes);
+static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver(
+       struct device_driver *_drv)
+{
+       return container_of(_drv, struct ps3_vuart_port_driver, core);
+}
+static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device(
+       struct device *_dev)
+{
+       return container_of(_dev, struct ps3_vuart_port_device, core);
+}
+
+int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf,
+       unsigned int bytes);
+int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf,
+       unsigned int bytes);
+
+#endif