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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 | |||
| 19 | #define __JOY_DEBUG__ |
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| 20 | //#define __JOY_DUMP__ |
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| 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_enable(void); |
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| 45 | extern int joystick_disable(void); |
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| 46 | extern int joystick_get(int *type, int *number, int *value); |
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| 47 | |||
| 538 | mauro | 48 | extern int input_installed; |
| 49 | |||
| 547 | mauro | 50 | #define JS_EVENT_BUTTON 0x01 /* button pressed/released */ |
| 51 | #define JS_EVENT_AXIS 0x02 /* joystick moved */ |
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| 52 | #define JS_EVENT_INIT 0x80 /* initial state of device */ |
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| 53 | |||
| 54 | /* joystick driver currently installed */ |
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| 55 | static int joystick_installed = FALSE; |
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| 56 | static int axis[4], button; |
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| 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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| 61 | |||
| 62 | if (joystick_get(&type, &number, &value)) |
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| 63 | return; |
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| 64 | |||
| 65 | switch (type) { |
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| 66 | case JS_EVENT_BUTTON: |
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| 67 | button = number; /* TODO */ |
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| 68 | break; |
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| 69 | case JS_EVENT_AXIS: |
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| 70 | axis[number] = value; /* TODO */ |
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| 71 | break; |
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| 72 | default: |
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| 73 | return; |
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| 74 | } |
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| 75 | #ifdef __JOY_DEBUG__ |
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| 76 | printk(KERN_DEBUG "shark_joy.c: (%4d,%4d) (%4d,%4d) %4d\n", axis[0], axis[1], axis[2], axis[3], button); |
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| 77 | #endif |
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| 78 | } |
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| 79 | |||
| 538 | mauro | 80 | /* User Functions */ |
| 547 | mauro | 81 | void joy_enable(void) |
| 82 | { |
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| 83 | joystick_enable(); |
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| 84 | } |
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| 538 | mauro | 85 | |
| 547 | mauro | 86 | void joy_disable(void) |
| 87 | { |
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| 88 | joystick_disable(); |
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| 89 | } |
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| 90 | |||
| 91 | |||
| 538 | mauro | 92 | /* Init the Linux Joystick Driver */ |
| 93 | int JOY26_init() { |
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| 94 | |||
| 95 | int ret; |
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| 96 | |||
| 97 | if (input_installed == FALSE) |
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| 98 | if (INPUT26_init()) { |
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| 99 | printk(KERN_ERR "Unable to open Input SubSystem.\n"); |
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| 100 | return -1; |
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| 101 | } |
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| 102 | |||
| 103 | ret = ns558_init(); |
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| 104 | if (ret) { |
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| 105 | printk(KERN_ERR "Gameport_Init return: %d\n", ret); |
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| 106 | return -1; |
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| 107 | } |
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| 108 | |||
| 109 | #ifdef __JOY_DUMP__ |
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| 110 | ret = joydump_init(); |
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| 111 | #else |
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| 112 | ret = analog_init(); |
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| 113 | #endif |
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| 114 | if (ret) { |
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| 115 | printk(KERN_ERR "Joystick_Device_Init return: %d\n", ret); |
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| 116 | return -1; |
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| 117 | } |
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| 118 | |||
| 119 | ret = joystick_init(); |
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| 120 | if (ret) { |
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| 121 | printk(KERN_ERR "Joystick_Handler_Init return: %d\n", ret); |
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| 122 | return -1; |
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| 123 | } |
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| 124 | |||
| 547 | mauro | 125 | joy_enable(); |
| 126 | joystick_installed = TRUE; |
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| 538 | mauro | 127 | return 0; |
| 128 | } |
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| 129 | |||
| 130 | int JOY26_close() { |
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| 547 | mauro | 131 | if (!joystick_installed) |
| 132 | return -1; |
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| 538 | mauro | 133 | |
| 547 | mauro | 134 | joy_disable(); |
| 538 | mauro | 135 | joystick_exit(); |
| 136 | #ifdef __JOY_DUMP__ |
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| 137 | joydump_exit(); |
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| 138 | #else |
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| 139 | analog_exit(); |
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| 140 | #endif |
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| 141 | ns558_exit(); |
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| 547 | mauro | 142 | |
| 143 | joystick_installed = FALSE; |
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| 538 | mauro | 144 | return 0; |
| 145 | } |