Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0-only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  PS3 virtual uart
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  *  Copyright (C) 2006 Sony Computer Entertainment Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  *  Copyright 2006 Sony Corp.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #if !defined(_PS3_VUART_H)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #define _PS3_VUART_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/ps3.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) struct ps3_vuart_stats {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 	unsigned long bytes_written;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	unsigned long bytes_read;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 	unsigned long tx_interrupts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	unsigned long rx_interrupts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	unsigned long disconnect_interrupts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) struct ps3_vuart_work {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	struct work_struct work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	unsigned long trigger;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	struct ps3_system_bus_device *dev; /* to convert work to device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /**
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29)  * struct ps3_vuart_port_driver - a driver for a device on a vuart port
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) struct ps3_vuart_port_driver {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	struct ps3_system_bus_driver core;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	int (*probe)(struct ps3_system_bus_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	int (*remove)(struct ps3_system_bus_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	void (*shutdown)(struct ps3_system_bus_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	void (*work)(struct ps3_system_bus_device *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 	/* int (*tx_event)(struct ps3_system_bus_device *dev); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	/* int (*rx_event)(struct ps3_system_bus_device *dev); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	/* int (*disconnect_event)(struct ps3_system_bus_device *dev); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	/* int (*suspend)(struct ps3_system_bus_device *, pm_message_t); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	/* int (*resume)(struct ps3_system_bus_device *); */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) static inline struct ps3_vuart_port_driver *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	ps3_system_bus_dev_to_vuart_drv(struct ps3_system_bus_device *_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 	struct ps3_system_bus_driver *sbd =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		ps3_system_bus_dev_to_system_bus_drv(_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	BUG_ON(!sbd);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	return container_of(sbd, struct ps3_vuart_port_driver, core);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static inline struct ps3_system_bus_device *ps3_vuart_work_to_system_bus_dev(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	struct work_struct *_work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 	struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	return vw->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	unsigned int bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) int ps3_vuart_read(struct ps3_system_bus_device *dev, void *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	unsigned int bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) int ps3_vuart_read_async(struct ps3_system_bus_device *dev, unsigned int bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) void ps3_vuart_cancel_async(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) void ps3_vuart_clear_rx_bytes(struct ps3_system_bus_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) 	unsigned int bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) struct vuart_triggers {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) 	unsigned long rx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 	unsigned long tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) int ps3_vuart_get_triggers(struct ps3_system_bus_device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 	struct vuart_triggers *trig);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) int ps3_vuart_set_triggers(struct ps3_system_bus_device *dev, unsigned int tx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) 	unsigned int rx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) int ps3_vuart_enable_interrupt_tx(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) int ps3_vuart_disable_interrupt_tx(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) int ps3_vuart_enable_interrupt_rx(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) int ps3_vuart_disable_interrupt_rx(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) int ps3_vuart_enable_interrupt_disconnect(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) int ps3_vuart_disable_interrupt_disconnect(struct ps3_system_bus_device *dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) #endif