diff options
Diffstat (limited to 'drivers/input/joystick/iforce/iforce.h')
| -rw-r--r-- | drivers/input/joystick/iforce/iforce.h | 85 |
1 files changed, 30 insertions, 55 deletions
diff --git a/drivers/input/joystick/iforce/iforce.h b/drivers/input/joystick/iforce/iforce.h index b1d7d9b0eb86..9ccb9107ccbe 100644 --- a/drivers/input/joystick/iforce/iforce.h +++ b/drivers/input/joystick/iforce/iforce.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> @@ -5,34 +6,11 @@ * USB/RS232 I-Force joysticks and wheels. */ -/* - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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 - * - * Should you need to contact me, the author, you can do so either by - * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: - * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic - */ - #include <linux/kernel.h> #include <linux/slab.h> #include <linux/input.h> #include <linux/module.h> -#include <linux/init.h> #include <linux/spinlock.h> -#include <linux/usb.h> -#include <linux/serio.h> #include <linux/circ_buf.h> #include <linux/mutex.h> @@ -45,10 +23,6 @@ #define IFORCE_MAX_LENGTH 16 -/* iforce::bus */ -#define IFORCE_232 1 -#define IFORCE_USB 2 - #define IFORCE_EFFECTS_MAX 32 /* Each force feedback effect is made of one core effect, which can be @@ -98,27 +72,21 @@ struct iforce_device { signed short *ff; }; +struct iforce; + +struct iforce_xport_ops { + void (*xmit)(struct iforce *iforce); + int (*get_id)(struct iforce *iforce, u8 id, + u8 *response_data, size_t *response_len); + int (*start_io)(struct iforce *iforce); + void (*stop_io)(struct iforce *iforce); +}; + struct iforce { struct input_dev *dev; /* Input device interface */ struct iforce_device *type; - int bus; - - unsigned char data[IFORCE_MAX_LENGTH]; - unsigned char edata[IFORCE_MAX_LENGTH]; - u16 ecmd; - u16 expect_packet; - -#ifdef CONFIG_JOYSTICK_IFORCE_232 - struct serio *serio; /* RS232 transfer */ - int idx, pkt, len, id; - unsigned char csum; -#endif -#ifdef CONFIG_JOYSTICK_IFORCE_USB - struct usb_device *usbdev; /* USB transfer */ - struct usb_interface *intf; - struct urb *irq, *out, *ctrl; - struct usb_ctrlrequest cr; -#endif + const struct iforce_xport_ops *xport_ops; + spinlock_t xmit_lock; /* Buffer used for asynchronous sending of bytes to the device */ struct circ_buf xmit; @@ -144,23 +112,30 @@ struct iforce { /* Encode a time value */ #define TIME_SCALE(a) (a) +static inline int iforce_get_id_packet(struct iforce *iforce, u8 id, + u8 *response_data, size_t *response_len) +{ + return iforce->xport_ops->get_id(iforce, id, + response_data, response_len); +} -/* Public functions */ -/* iforce-serio.c */ -void iforce_serial_xmit(struct iforce *iforce); - -/* iforce-usb.c */ -void iforce_usb_xmit(struct iforce *iforce); +static inline void iforce_clear_xmit_and_wake(struct iforce *iforce) +{ + clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags); + wake_up_all(&iforce->wait); +} +/* Public functions */ /* iforce-main.c */ -int iforce_init_device(struct iforce *iforce); +int iforce_init_device(struct device *parent, u16 bustype, + struct iforce *iforce); /* iforce-packets.c */ int iforce_control_playback(struct iforce*, u16 id, unsigned int); -void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data); +void iforce_process_packet(struct iforce *iforce, + u8 packet_id, u8 *data, size_t len); int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data); -void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data) ; -int iforce_get_id_packet(struct iforce *iforce, char *packet); +void iforce_dump_packet(struct iforce *iforce, char *msg, u16 cmd, unsigned char *data); /* iforce-ff.c */ int iforce_upload_periodic(struct iforce *, struct ff_effect *, struct ff_effect *); |