174e95d5dSGeoff Levand /* 274e95d5dSGeoff Levand * PS3 virtual uart 374e95d5dSGeoff Levand * 474e95d5dSGeoff Levand * Copyright (C) 2006 Sony Computer Entertainment Inc. 574e95d5dSGeoff Levand * Copyright 2006 Sony Corp. 674e95d5dSGeoff Levand * 774e95d5dSGeoff Levand * This program is free software; you can redistribute it and/or modify 874e95d5dSGeoff Levand * it under the terms of the GNU General Public License as published by 974e95d5dSGeoff Levand * the Free Software Foundation; version 2 of the License. 1074e95d5dSGeoff Levand * 1174e95d5dSGeoff Levand * This program is distributed in the hope that it will be useful, 1274e95d5dSGeoff Levand * but WITHOUT ANY WARRANTY; without even the implied warranty of 1374e95d5dSGeoff Levand * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1474e95d5dSGeoff Levand * GNU General Public License for more details. 1574e95d5dSGeoff Levand * 1674e95d5dSGeoff Levand * You should have received a copy of the GNU General Public License 1774e95d5dSGeoff Levand * along with this program; if not, write to the Free Software 1874e95d5dSGeoff Levand * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 1974e95d5dSGeoff Levand */ 2074e95d5dSGeoff Levand 2174e95d5dSGeoff Levand #if !defined(_PS3_VUART_H) 2274e95d5dSGeoff Levand #define _PS3_VUART_H 2374e95d5dSGeoff Levand 24*75c86e74SGeoff Levand #include <asm/ps3.h> 25*75c86e74SGeoff Levand 26*75c86e74SGeoff Levand struct ps3_vuart_stats { 27*75c86e74SGeoff Levand unsigned long bytes_written; 28*75c86e74SGeoff Levand unsigned long bytes_read; 29*75c86e74SGeoff Levand unsigned long tx_interrupts; 30*75c86e74SGeoff Levand unsigned long rx_interrupts; 31*75c86e74SGeoff Levand unsigned long disconnect_interrupts; 32*75c86e74SGeoff Levand }; 33*75c86e74SGeoff Levand 34*75c86e74SGeoff Levand /** 35*75c86e74SGeoff Levand * struct ps3_vuart_port_priv - private vuart device data. 36*75c86e74SGeoff Levand */ 37*75c86e74SGeoff Levand 38*75c86e74SGeoff Levand struct ps3_vuart_port_priv { 39*75c86e74SGeoff Levand unsigned int port_number; 40*75c86e74SGeoff Levand u64 interrupt_mask; 41*75c86e74SGeoff Levand 42*75c86e74SGeoff Levand struct { 43*75c86e74SGeoff Levand spinlock_t lock; 44*75c86e74SGeoff Levand struct list_head head; 45*75c86e74SGeoff Levand } tx_list; 46*75c86e74SGeoff Levand struct { 47*75c86e74SGeoff Levand unsigned long bytes_held; 48*75c86e74SGeoff Levand spinlock_t lock; 49*75c86e74SGeoff Levand struct list_head head; 50*75c86e74SGeoff Levand } rx_list; 51*75c86e74SGeoff Levand struct ps3_vuart_stats stats; 52*75c86e74SGeoff Levand }; 53*75c86e74SGeoff Levand 5474e95d5dSGeoff Levand /** 5574e95d5dSGeoff Levand * struct ps3_vuart_port_driver - a driver for a device on a vuart port 5674e95d5dSGeoff Levand */ 5774e95d5dSGeoff Levand 5874e95d5dSGeoff Levand struct ps3_vuart_port_driver { 5974e95d5dSGeoff Levand enum ps3_match_id match_id; 6074e95d5dSGeoff Levand struct device_driver core; 6174e95d5dSGeoff Levand int (*probe)(struct ps3_vuart_port_device *); 6274e95d5dSGeoff Levand int (*remove)(struct ps3_vuart_port_device *); 635b8e8ee6SGeert Uytterhoeven void (*shutdown)(struct ps3_vuart_port_device *); 6474e95d5dSGeoff Levand int (*tx_event)(struct ps3_vuart_port_device *dev); 6574e95d5dSGeoff Levand int (*rx_event)(struct ps3_vuart_port_device *dev); 6674e95d5dSGeoff Levand int (*disconnect_event)(struct ps3_vuart_port_device *dev); 6774e95d5dSGeoff Levand /* int (*suspend)(struct ps3_vuart_port_device *, pm_message_t); */ 6874e95d5dSGeoff Levand /* int (*resume)(struct ps3_vuart_port_device *); */ 6974e95d5dSGeoff Levand }; 7074e95d5dSGeoff Levand 7174e95d5dSGeoff Levand int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv); 7274e95d5dSGeoff Levand void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv); 7397ec1675SGeoff Levand 7474e95d5dSGeoff Levand int ps3_vuart_write(struct ps3_vuart_port_device *dev, 7574e95d5dSGeoff Levand const void* buf, unsigned int bytes); 7674e95d5dSGeoff Levand int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf, 7774e95d5dSGeoff Levand unsigned int bytes); 7874e95d5dSGeoff Levand static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver( 7974e95d5dSGeoff Levand struct device_driver *_drv) 8074e95d5dSGeoff Levand { 8174e95d5dSGeoff Levand return container_of(_drv, struct ps3_vuart_port_driver, core); 8274e95d5dSGeoff Levand } 8374e95d5dSGeoff Levand static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device( 8474e95d5dSGeoff Levand struct device *_dev) 8574e95d5dSGeoff Levand { 8674e95d5dSGeoff Levand return container_of(_dev, struct ps3_vuart_port_device, core); 8774e95d5dSGeoff Levand } 8874e95d5dSGeoff Levand 8974e95d5dSGeoff Levand #endif 90