debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/input/joystick/iforce/iforce.h
..
..
@@ -1,3 +1,4 @@
1
+/* SPDX-License-Identifier: GPL-2.0-or-later */
1
2
 /*
2
3
  *  Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
3
4
  *  Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com>
..
..
@@ -5,29 +6,11 @@
5
6
  *  USB/RS232 I-Force joysticks and wheels.
6
7
  */
7
8
 
8
-/*
9
- * This program is free software; you can redistribute it and/or modify
10
- * it under the terms of the GNU General Public License as published by
11
- * the Free Software Foundation; either version 2 of the License, or
12
- * (at your option) any later version.
13
- *
14
- * This program is distributed in the hope that it will be useful,
15
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
16
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17
- * GNU General Public License for more details.
18
- *
19
- * You should have received a copy of the GNU General Public License
20
- * along with this program; if not, write to the Free Software
21
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22
- */
23
-
24
9
 #include <linux/kernel.h>
25
10
 #include <linux/slab.h>
26
11
 #include <linux/input.h>
27
12
 #include <linux/module.h>
28
13
 #include <linux/spinlock.h>
29
-#include <linux/usb.h>
30
-#include <linux/serio.h>
31
14
 #include <linux/circ_buf.h>
32
15
 #include <linux/mutex.h>
33
16
 
..
..
@@ -39,10 +22,6 @@
39
22
 
40
23
 
41
24
 #define IFORCE_MAX_LENGTH	16
42
-
43
-/* iforce::bus */
44
-#define IFORCE_232	1
45
-#define IFORCE_USB	2
46
25
 
47
26
 #define IFORCE_EFFECTS_MAX	32
48
27
 
..
..
@@ -93,27 +72,21 @@
93
72
 	signed short *ff;
94
73
 };
95
74
 
75
+struct iforce;
76
+
77
+struct iforce_xport_ops {
78
+	void (*xmit)(struct iforce *iforce);
79
+	int (*get_id)(struct iforce *iforce, u8 id,
80
+		      u8 *response_data, size_t *response_len);
81
+	int (*start_io)(struct iforce *iforce);
82
+	void (*stop_io)(struct iforce *iforce);
83
+};
84
+
96
85
 struct iforce {
97
86
 	struct input_dev *dev;		/* Input device interface */
98
87
 	struct iforce_device *type;
99
-	int bus;
88
+	const struct iforce_xport_ops *xport_ops;
100
89
 
101
-	unsigned char data[IFORCE_MAX_LENGTH];
102
-	unsigned char edata[IFORCE_MAX_LENGTH];
103
-	u16 ecmd;
104
-	u16 expect_packet;
105
-
106
-#ifdef CONFIG_JOYSTICK_IFORCE_232
107
-	struct serio *serio;		/* RS232 transfer */
108
-	int idx, pkt, len, id;
109
-	unsigned char csum;
110
-#endif
111
-#ifdef CONFIG_JOYSTICK_IFORCE_USB
112
-	struct usb_device *usbdev;	/* USB transfer */
113
-	struct usb_interface *intf;
114
-	struct urb *irq, *out, *ctrl;
115
-	struct usb_ctrlrequest cr;
116
-#endif
117
90
 	spinlock_t xmit_lock;
118
91
 	/* Buffer used for asynchronous sending of bytes to the device */
119
92
 	struct circ_buf xmit;
..
..
@@ -139,23 +112,30 @@
139
112
 /* Encode a time value */
140
113
 #define TIME_SCALE(a)	(a)
141
114
 
115
+static inline int iforce_get_id_packet(struct iforce *iforce, u8 id,
116
+				       u8 *response_data, size_t *response_len)
117
+{
118
+	return iforce->xport_ops->get_id(iforce, id,
119
+					 response_data, response_len);
120
+}
121
+
122
+static inline void iforce_clear_xmit_and_wake(struct iforce *iforce)
123
+{
124
+	clear_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags);
125
+	wake_up_all(&iforce->wait);
126
+}
142
127
 
143
128
 /* Public functions */
144
-/* iforce-serio.c */
145
-void iforce_serial_xmit(struct iforce *iforce);
146
-
147
-/* iforce-usb.c */
148
-void iforce_usb_xmit(struct iforce *iforce);
149
-
150
129
 /* iforce-main.c */
151
-int iforce_init_device(struct iforce *iforce);
130
+int iforce_init_device(struct device *parent, u16 bustype,
131
+		       struct iforce *iforce);
152
132
 
153
133
 /* iforce-packets.c */
154
134
 int iforce_control_playback(struct iforce*, u16 id, unsigned int);
155
-void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data);
135
+void iforce_process_packet(struct iforce *iforce,
136
+			   u8 packet_id, u8 *data, size_t len);
156
137
 int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data);
157
138
 void iforce_dump_packet(struct iforce *iforce, char *msg, u16 cmd, unsigned char *data);
158
-int iforce_get_id_packet(struct iforce *iforce, char *packet);
159
139
 
160
140
 /* iforce-ff.c */
161
141
 int iforce_upload_periodic(struct iforce *, struct ff_effect *, struct ff_effect *);