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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 | |||
| 46 | #define JS_EVENT_BUTTON 0x01 /* button pressed/released */ |
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| 47 | #define JS_EVENT_AXIS 0x02 /* joystick moved */ |
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| 48 | #define JS_EVENT_INIT 0x80 /* initial state of device */ |
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| 49 | |||
| 50 | /* joystick driver currently installed */ |
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| 51 | static int joystick_installed = FALSE; |
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| 548 | mauro | 52 | static int joystick_enabled = FALSE; |
| 53 | |||
| 547 | mauro | 54 | static int axis[4], button; |
| 55 | |||
| 56 | /* Called by handler */ |
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| 57 | void shark_joy_exec(void) { |
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| 58 | int type, number, value; |
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| 548 | mauro | 59 | |
| 60 | if (joystick_enabled == FALSE) |
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| 61 | return; |
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| 62 | |||
| 547 | mauro | 63 | if (joystick_get(&type, &number, &value)) |
| 64 | return; |
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| 65 | |||
| 548 | mauro | 66 | switch (type) { /* TODO */ |
| 547 | mauro | 67 | case JS_EVENT_BUTTON: |
| 548 | mauro | 68 | if (value) |
| 69 | button |= 1 << number; |
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| 70 | else |
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| 71 | button &= ~(1 << number); |
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| 547 | mauro | 72 | break; |
| 73 | case JS_EVENT_AXIS: |
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| 548 | mauro | 74 | axis[number] = value; |
| 547 | mauro | 75 | break; |
| 76 | default: |
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| 77 | return; |
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| 78 | } |
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| 79 | #ifdef __JOY_DEBUG__ |
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| 548 | mauro | 80 | printk(KERN_DEBUG "shark_joy.c: (%4d,%4d) (%4d,%4d) %4x\n", axis[0], axis[1], axis[2], axis[3], button); |
| 547 | mauro | 81 | #endif |
| 82 | } |
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| 83 | |||
| 538 | mauro | 84 | /* User Functions */ |
| 548 | mauro | 85 | void joy_getstatus(int *axe0, int *axe1, int *axe2, int *axe3, int *buttons) |
| 86 | { |
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| 87 | if (axe0) |
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| 88 | *axe0 = axis[0]; |
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| 89 | if (axe1) |
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| 90 | *axe1 = axis[1]; |
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| 91 | if (axe2) |
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| 92 | *axe2 = axis[2]; |
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| 93 | if (axe3) |
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| 94 | *axe3 = axis[3]; |
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| 95 | if (buttons) |
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| 96 | *buttons = button; |
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| 97 | } |
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| 98 | |||
| 99 | void joy_setstatus(int axe0, int axe1, int axe2, int axe3, int buttons) |
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| 100 | { |
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| 101 | if ((axe0 > -32767) && (axe0 < 32767)) |
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| 102 | axis[0] = axe0; |
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| 103 | if ((axe1 > -32767) && (axe1 < 32767)) |
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| 104 | axis[1] = axe1; |
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| 105 | if ((axe2 > -32767) && (axe2 < 32767)) |
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| 106 | axis[2] = axe2; |
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| 107 | if ((axe3 > -32767) && (axe3 < 32767)) |
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| 108 | axis[3] = axe3; |
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| 109 | button = buttons; |
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| 110 | } |
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| 111 | |||
| 547 | mauro | 112 | void joy_enable(void) |
| 113 | { |
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| 548 | mauro | 114 | joystick_enabled = TRUE; |
| 115 | #ifdef __JOY_DEBUG__ |
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| 116 | printk("shark_joy.c: Joystick Enabled.\n"); |
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| 117 | #endif |
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| 547 | mauro | 118 | } |
| 538 | mauro | 119 | |
| 547 | mauro | 120 | void joy_disable(void) |
| 121 | { |
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| 548 | mauro | 122 | joystick_enabled = FALSE; |
| 123 | #ifdef __JOY_DEBUG__ |
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| 124 | printk("shark_joy.c: Joystick Disabled.\n"); |
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| 125 | #endif |
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| 547 | mauro | 126 | } |
| 127 | |||
| 128 | |||
| 538 | mauro | 129 | /* Init the Linux Joystick Driver */ |
| 549 | mauro | 130 | int JOY26_installed(void) { |
| 131 | return joystick_installed; |
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| 132 | } |
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| 538 | mauro | 133 | |
| 549 | mauro | 134 | int JOY26_init(void) { |
| 135 | |||
| 538 | mauro | 136 | int ret; |
| 137 | |||
| 549 | mauro | 138 | if (INPUT26_installed() == FALSE) |
| 538 | mauro | 139 | if (INPUT26_init()) { |
| 140 | printk(KERN_ERR "Unable to open Input SubSystem.\n"); |
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| 141 | return -1; |
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| 142 | } |
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| 143 | |||
| 144 | ret = ns558_init(); |
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| 145 | if (ret) { |
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| 146 | printk(KERN_ERR "Gameport_Init return: %d\n", ret); |
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| 147 | return -1; |
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| 148 | } |
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| 149 | |||
| 150 | #ifdef __JOY_DUMP__ |
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| 151 | ret = joydump_init(); |
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| 152 | #else |
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| 153 | ret = analog_init(); |
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| 154 | #endif |
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| 155 | if (ret) { |
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| 156 | printk(KERN_ERR "Joystick_Device_Init return: %d\n", ret); |
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| 157 | return -1; |
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| 158 | } |
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| 159 | |||
| 160 | ret = joystick_init(); |
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| 161 | if (ret) { |
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| 162 | printk(KERN_ERR "Joystick_Handler_Init return: %d\n", ret); |
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| 163 | return -1; |
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| 164 | } |
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| 548 | mauro | 165 | |
| 547 | mauro | 166 | joystick_installed = TRUE; |
| 548 | mauro | 167 | joystick_enabled = TRUE; |
| 168 | |||
| 538 | mauro | 169 | return 0; |
| 170 | } |
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| 171 | |||
| 549 | mauro | 172 | int JOY26_close(void) { |
| 547 | mauro | 173 | if (!joystick_installed) |
| 174 | return -1; |
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| 538 | mauro | 175 | |
| 548 | mauro | 176 | joystick_enabled = FALSE; |
| 538 | mauro | 177 | joystick_exit(); |
| 178 | #ifdef __JOY_DUMP__ |
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| 179 | joydump_exit(); |
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| 180 | #else |
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| 181 | analog_exit(); |
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| 182 | #endif |
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| 183 | ns558_exit(); |
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| 547 | mauro | 184 | |
| 185 | joystick_installed = FALSE; |
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| 538 | mauro | 186 | return 0; |
| 187 | } |