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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 538 | mauro | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Mauro Marinoni <mauro.marinoni@unipv.it> |
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| 10 | * |
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| 11 | * |
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| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 13 | * |
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| 14 | * http://www.sssup.it |
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| 15 | * http://retis.sssup.it |
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| 16 | * http://shark.sssup.it |
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| 17 | */ |
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| 18 | |||
| 548 | mauro | 19 | //#define __JOY_DEBUG__ |
| 538 | mauro | 20 | //#define __JOY_DUMP__ |
| 21 | |||
| 22 | #include <kernel/kern.h> |
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| 23 | |||
| 24 | #include "../include/drivers/shark_input26.h" |
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| 25 | #include "../include/drivers/shark_joy26.h" |
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| 26 | |||
| 27 | #include <kernel/func.h> |
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| 28 | |||
| 29 | /* Devices */ |
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| 30 | extern int ns558_init(void); |
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| 31 | extern int ns558_exit(void); |
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| 32 | |||
| 33 | extern int analog_init(void); |
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| 34 | extern int analog_exit(void); |
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| 35 | |||
| 36 | extern int joydump_init(void); |
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| 37 | extern int joydump_exit(void); |
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| 38 | |||
| 39 | /* Handler */ |
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| 40 | extern int joystick_init(void); |
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| 41 | extern int joystick_exit(void); |
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| 42 | |||
| 547 | mauro | 43 | /* Functions */ |
| 44 | extern int joystick_get(int *type, int *number, int *value); |
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| 45 | |||
| 538 | mauro | 46 | extern int input_installed; |
| 47 | |||
| 547 | mauro | 48 | #define JS_EVENT_BUTTON 0x01 /* button pressed/released */ |
| 49 | #define JS_EVENT_AXIS 0x02 /* joystick moved */ |
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| 50 | #define JS_EVENT_INIT 0x80 /* initial state of device */ |
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| 51 | |||
| 52 | /* joystick driver currently installed */ |
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| 53 | static int joystick_installed = FALSE; |
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| 548 | mauro | 54 | static int joystick_enabled = FALSE; |
| 55 | |||
| 547 | mauro | 56 | static int axis[4], button; |
| 57 | |||
| 58 | /* Called by handler */ |
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| 59 | void shark_joy_exec(void) { |
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| 60 | int type, number, value; |
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| 548 | mauro | 61 | |
| 62 | if (joystick_enabled == FALSE) |
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| 63 | return; |
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| 64 | |||
| 547 | mauro | 65 | if (joystick_get(&type, &number, &value)) |
| 66 | return; |
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| 67 | |||
| 548 | mauro | 68 | switch (type) { /* TODO */ |
| 547 | mauro | 69 | case JS_EVENT_BUTTON: |
| 548 | mauro | 70 | if (value) |
| 71 | button |= 1 << number; |
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| 72 | else |
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| 73 | button &= ~(1 << number); |
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| 547 | mauro | 74 | break; |
| 75 | case JS_EVENT_AXIS: |
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| 548 | mauro | 76 | axis[number] = value; |
| 547 | mauro | 77 | break; |
| 78 | default: |
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| 79 | return; |
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| 80 | } |
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| 81 | #ifdef __JOY_DEBUG__ |
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| 548 | mauro | 82 | printk(KERN_DEBUG "shark_joy.c: (%4d,%4d) (%4d,%4d) %4x\n", axis[0], axis[1], axis[2], axis[3], button); |
| 547 | mauro | 83 | #endif |
| 84 | } |
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| 85 | |||
| 538 | mauro | 86 | /* User Functions */ |
| 548 | mauro | 87 | void joy_getstatus(int *axe0, int *axe1, int *axe2, int *axe3, int *buttons) |
| 88 | { |
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| 89 | if (axe0) |
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| 90 | *axe0 = axis[0]; |
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| 91 | if (axe1) |
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| 92 | *axe1 = axis[1]; |
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| 93 | if (axe2) |
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| 94 | *axe2 = axis[2]; |
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| 95 | if (axe3) |
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| 96 | *axe3 = axis[3]; |
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| 97 | if (buttons) |
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| 98 | *buttons = button; |
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| 99 | } |
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| 100 | |||
| 101 | void joy_setstatus(int axe0, int axe1, int axe2, int axe3, int buttons) |
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| 102 | { |
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| 103 | if ((axe0 > -32767) && (axe0 < 32767)) |
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| 104 | axis[0] = axe0; |
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| 105 | if ((axe1 > -32767) && (axe1 < 32767)) |
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| 106 | axis[1] = axe1; |
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| 107 | if ((axe2 > -32767) && (axe2 < 32767)) |
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| 108 | axis[2] = axe2; |
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| 109 | if ((axe3 > -32767) && (axe3 < 32767)) |
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| 110 | axis[3] = axe3; |
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| 111 | button = buttons; |
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| 112 | } |
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| 113 | |||
| 547 | mauro | 114 | void joy_enable(void) |
| 115 | { |
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| 548 | mauro | 116 | joystick_enabled = TRUE; |
| 117 | #ifdef __JOY_DEBUG__ |
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| 118 | printk("shark_joy.c: Joystick Enabled.\n"); |
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| 119 | #endif |
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| 547 | mauro | 120 | } |
| 538 | mauro | 121 | |
| 547 | mauro | 122 | void joy_disable(void) |
| 123 | { |
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| 548 | mauro | 124 | joystick_enabled = FALSE; |
| 125 | #ifdef __JOY_DEBUG__ |
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| 126 | printk("shark_joy.c: Joystick Disabled.\n"); |
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| 127 | #endif |
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| 547 | mauro | 128 | } |
| 129 | |||
| 130 | |||
| 538 | mauro | 131 | /* Init the Linux Joystick Driver */ |
| 132 | int JOY26_init() { |
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| 133 | |||
| 134 | int ret; |
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| 135 | |||
| 136 | if (input_installed == FALSE) |
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| 137 | if (INPUT26_init()) { |
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| 138 | printk(KERN_ERR "Unable to open Input SubSystem.\n"); |
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| 139 | return -1; |
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| 140 | } |
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| 141 | |||
| 142 | ret = ns558_init(); |
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| 143 | if (ret) { |
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| 144 | printk(KERN_ERR "Gameport_Init return: %d\n", ret); |
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| 145 | return -1; |
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| 146 | } |
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| 147 | |||
| 148 | #ifdef __JOY_DUMP__ |
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| 149 | ret = joydump_init(); |
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| 150 | #else |
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| 151 | ret = analog_init(); |
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| 152 | #endif |
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| 153 | if (ret) { |
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| 154 | printk(KERN_ERR "Joystick_Device_Init return: %d\n", ret); |
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| 155 | return -1; |
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| 156 | } |
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| 157 | |||
| 158 | ret = joystick_init(); |
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| 159 | if (ret) { |
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| 160 | printk(KERN_ERR "Joystick_Handler_Init return: %d\n", ret); |
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| 161 | return -1; |
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| 162 | } |
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| 548 | mauro | 163 | |
| 547 | mauro | 164 | joystick_installed = TRUE; |
| 548 | mauro | 165 | joystick_enabled = TRUE; |
| 166 | |||
| 538 | mauro | 167 | return 0; |
| 168 | } |
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| 169 | |||
| 170 | int JOY26_close() { |
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| 547 | mauro | 171 | if (!joystick_installed) |
| 172 | return -1; |
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| 538 | mauro | 173 | |
| 548 | mauro | 174 | joystick_enabled = FALSE; |
| 538 | mauro | 175 | joystick_exit(); |
| 176 | #ifdef __JOY_DUMP__ |
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| 177 | joydump_exit(); |
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| 178 | #else |
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| 179 | analog_exit(); |
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| 180 | #endif |
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| 181 | ns558_exit(); |
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| 547 | mauro | 182 | |
| 183 | joystick_installed = FALSE; |
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| 538 | mauro | 184 | return 0; |
| 185 | } |