iforce.h (05668381140309088443bf5dc53add4104610fbb) iforce.h (f6a01c85965c9e6fa8fb893c1fa5db16130d0ccb)
1/*
2 * $Id: iforce.h,v 1.13 2002/07/07 10:22:50 jdeneux Exp $
3 *
4 * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
5 * Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
6 *
7 * USB/RS232 I-Force joysticks and wheels.
8 */

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46
47
48#define IFORCE_MAX_LENGTH 16
49
50/* iforce::bus */
51#define IFORCE_232 1
52#define IFORCE_USB 2
53
1/*
2 * $Id: iforce.h,v 1.13 2002/07/07 10:22:50 jdeneux Exp $
3 *
4 * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
5 * Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
6 *
7 * USB/RS232 I-Force joysticks and wheels.
8 */

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46
47
48#define IFORCE_MAX_LENGTH 16
49
50/* iforce::bus */
51#define IFORCE_232 1
52#define IFORCE_USB 2
53
54#define FALSE 0
55#define TRUE 1
54#define IFORCE_EFFECTS_MAX 32
56
55
57#define FF_EFFECTS_MAX 32
58
59/* Each force feedback effect is made of one core effect, which can be
60 * associated to at most to effect modifiers
61 */
62#define FF_MOD1_IS_USED 0
63#define FF_MOD2_IS_USED 1
64#define FF_CORE_IS_USED 2
65#define FF_CORE_IS_PLAYED 3 /* Effect is currently being played */
66#define FF_CORE_SHOULD_PLAY 4 /* User wants the effect to be played */
67#define FF_CORE_UPDATE 5 /* Effect is being updated */
68#define FF_MODCORE_MAX 5
69
56/* Each force feedback effect is made of one core effect, which can be
57 * associated to at most to effect modifiers
58 */
59#define FF_MOD1_IS_USED 0
60#define FF_MOD2_IS_USED 1
61#define FF_CORE_IS_USED 2
62#define FF_CORE_IS_PLAYED 3 /* Effect is currently being played */
63#define FF_CORE_SHOULD_PLAY 4 /* User wants the effect to be played */
64#define FF_CORE_UPDATE 5 /* Effect is being updated */
65#define FF_MODCORE_MAX 5
66
70#define CHECK_OWNERSHIP(i, iforce) \
71 ((i) < FF_EFFECTS_MAX && i >= 0 && \
72 test_bit(FF_CORE_IS_USED, (iforce)->core_effects[(i)].flags) && \
73 (current->pid == 0 || \
74 (iforce)->core_effects[(i)].owner == current->pid))
75
76struct iforce_core_effect {
77 /* Information about where modifiers are stored in the device's memory */
78 struct resource mod1_chunk;
79 struct resource mod2_chunk;
80 unsigned long flags[NBITS(FF_MODCORE_MAX)];
67struct iforce_core_effect {
68 /* Information about where modifiers are stored in the device's memory */
69 struct resource mod1_chunk;
70 struct resource mod2_chunk;
71 unsigned long flags[NBITS(FF_MODCORE_MAX)];
81 pid_t owner;
82 /* Used to keep track of parameters of an effect. They are needed
83 * to know what parts of an effect changed in an update operation.
84 * We try to send only parameter packets if possible, as sending
85 * effect parameter requires the effect to be stoped and restarted
86 */
87 struct ff_effect effect;
88};
89
90#define FF_CMD_EFFECT 0x010e
91#define FF_CMD_ENVELOPE 0x0208
92#define FF_CMD_MAGNITUDE 0x0303
93#define FF_CMD_PERIOD 0x0407
94#define FF_CMD_CONDITION 0x050a
95

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140 /* Buffer used for asynchronous sending of bytes to the device */
141 struct circ_buf xmit;
142 unsigned char xmit_data[XMIT_SIZE];
143 long xmit_flags[1];
144
145 /* Force Feedback */
146 wait_queue_head_t wait;
147 struct resource device_memory;
72};
73
74#define FF_CMD_EFFECT 0x010e
75#define FF_CMD_ENVELOPE 0x0208
76#define FF_CMD_MAGNITUDE 0x0303
77#define FF_CMD_PERIOD 0x0407
78#define FF_CMD_CONDITION 0x050a
79

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124 /* Buffer used for asynchronous sending of bytes to the device */
125 struct circ_buf xmit;
126 unsigned char xmit_data[XMIT_SIZE];
127 long xmit_flags[1];
128
129 /* Force Feedback */
130 wait_queue_head_t wait;
131 struct resource device_memory;
148 struct iforce_core_effect core_effects[FF_EFFECTS_MAX];
132 struct iforce_core_effect core_effects[IFORCE_EFFECTS_MAX];
149 struct mutex mem_mutex;
150};
151
152/* Get hi and low bytes of a 16-bits int */
153#define HI(a) ((unsigned char)((a) >> 8))
154#define LO(a) ((unsigned char)((a) & 0xff))
155
156/* For many parameters, it seems that 0x80 is a special value that should

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177/* iforce-packets.c */
178int iforce_control_playback(struct iforce*, u16 id, unsigned int);
179void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data, struct pt_regs *regs);
180int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data);
181void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data) ;
182int iforce_get_id_packet(struct iforce *iforce, char *packet);
183
184/* iforce-ff.c */
133 struct mutex mem_mutex;
134};
135
136/* Get hi and low bytes of a 16-bits int */
137#define HI(a) ((unsigned char)((a) >> 8))
138#define LO(a) ((unsigned char)((a) & 0xff))
139
140/* For many parameters, it seems that 0x80 is a special value that should

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161/* iforce-packets.c */
162int iforce_control_playback(struct iforce*, u16 id, unsigned int);
163void iforce_process_packet(struct iforce *iforce, u16 cmd, unsigned char *data, struct pt_regs *regs);
164int iforce_send_packet(struct iforce *iforce, u16 cmd, unsigned char* data);
165void iforce_dump_packet(char *msg, u16 cmd, unsigned char *data) ;
166int iforce_get_id_packet(struct iforce *iforce, char *packet);
167
168/* iforce-ff.c */
185int iforce_upload_periodic(struct iforce*, struct ff_effect*, int is_update);
186int iforce_upload_constant(struct iforce*, struct ff_effect*, int is_update);
187int iforce_upload_condition(struct iforce*, struct ff_effect*, int is_update);
169int iforce_upload_periodic(struct iforce *, struct ff_effect *, struct ff_effect *);
170int iforce_upload_constant(struct iforce *, struct ff_effect *, struct ff_effect *);
171int iforce_upload_condition(struct iforce *, struct ff_effect *, struct ff_effect *);
188
189/* Public variables */
190extern struct serio_driver iforce_serio_drv;
191extern struct usb_driver iforce_usb_driver;
172
173/* Public variables */
174extern struct serio_driver iforce_serio_drv;
175extern struct usb_driver iforce_usb_driver;