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Rev | Author | Line No. | Line |
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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 | |||
1063 | tullio | 19 | /* |
20 | * This program is free software; you can redistribute it and/or modify |
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21 | * it under the terms of the GNU General Public License as published by |
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22 | * the Free Software Foundation; either version 2 of the License, or |
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23 | * (at your option) any later version. |
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24 | * |
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25 | * This program is distributed in the hope that it will be useful, |
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26 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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27 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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28 | * GNU General Public License for more details. |
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29 | * |
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30 | * You should have received a copy of the GNU General Public License |
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31 | * along with this program; if not, write to the Free Software |
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32 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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33 | * |
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34 | */ |
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35 | |||
548 | mauro | 36 | //#define __JOY_DEBUG__ |
538 | mauro | 37 | //#define __JOY_DUMP__ |
38 | |||
39 | #include <kernel/kern.h> |
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40 | |||
41 | #include "../include/drivers/shark_input26.h" |
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42 | #include "../include/drivers/shark_joy26.h" |
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43 | |||
44 | #include <kernel/func.h> |
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45 | |||
46 | /* Devices */ |
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47 | extern int ns558_init(void); |
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48 | extern int ns558_exit(void); |
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49 | |||
50 | extern int analog_init(void); |
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51 | extern int analog_exit(void); |
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52 | |||
53 | extern int joydump_init(void); |
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54 | extern int joydump_exit(void); |
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55 | |||
56 | /* Handler */ |
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57 | extern int joystick_init(void); |
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58 | extern int joystick_exit(void); |
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59 | |||
547 | mauro | 60 | /* Functions */ |
61 | extern int joystick_get(int *type, int *number, int *value); |
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62 | |||
63 | #define JS_EVENT_BUTTON 0x01 /* button pressed/released */ |
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64 | #define JS_EVENT_AXIS 0x02 /* joystick moved */ |
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65 | #define JS_EVENT_INIT 0x80 /* initial state of device */ |
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66 | |||
67 | /* joystick driver currently installed */ |
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68 | static int joystick_installed = FALSE; |
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548 | mauro | 69 | static int joystick_enabled = FALSE; |
70 | |||
547 | mauro | 71 | static int axis[4], button; |
72 | |||
73 | /* Called by handler */ |
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74 | void shark_joy_exec(void) { |
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75 | int type, number, value; |
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548 | mauro | 76 | |
77 | if (joystick_enabled == FALSE) |
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78 | return; |
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79 | |||
547 | mauro | 80 | if (joystick_get(&type, &number, &value)) |
81 | return; |
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82 | |||
548 | mauro | 83 | switch (type) { /* TODO */ |
547 | mauro | 84 | case JS_EVENT_BUTTON: |
548 | mauro | 85 | if (value) |
86 | button |= 1 << number; |
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87 | else |
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88 | button &= ~(1 << number); |
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547 | mauro | 89 | break; |
90 | case JS_EVENT_AXIS: |
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548 | mauro | 91 | axis[number] = value; |
547 | mauro | 92 | break; |
93 | default: |
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94 | return; |
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95 | } |
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96 | #ifdef __JOY_DEBUG__ |
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548 | mauro | 97 | printk(KERN_DEBUG "shark_joy.c: (%4d,%4d) (%4d,%4d) %4x\n", axis[0], axis[1], axis[2], axis[3], button); |
547 | mauro | 98 | #endif |
99 | } |
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100 | |||
538 | mauro | 101 | /* User Functions */ |
548 | mauro | 102 | void joy_getstatus(int *axe0, int *axe1, int *axe2, int *axe3, int *buttons) |
103 | { |
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104 | if (axe0) |
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105 | *axe0 = axis[0]; |
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106 | if (axe1) |
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107 | *axe1 = axis[1]; |
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108 | if (axe2) |
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109 | *axe2 = axis[2]; |
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110 | if (axe3) |
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111 | *axe3 = axis[3]; |
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112 | if (buttons) |
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113 | *buttons = button; |
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114 | } |
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115 | |||
116 | void joy_setstatus(int axe0, int axe1, int axe2, int axe3, int buttons) |
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117 | { |
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118 | if ((axe0 > -32767) && (axe0 < 32767)) |
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119 | axis[0] = axe0; |
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120 | if ((axe1 > -32767) && (axe1 < 32767)) |
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121 | axis[1] = axe1; |
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122 | if ((axe2 > -32767) && (axe2 < 32767)) |
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123 | axis[2] = axe2; |
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124 | if ((axe3 > -32767) && (axe3 < 32767)) |
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125 | axis[3] = axe3; |
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126 | button = buttons; |
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127 | } |
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128 | |||
547 | mauro | 129 | void joy_enable(void) |
130 | { |
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548 | mauro | 131 | joystick_enabled = TRUE; |
132 | #ifdef __JOY_DEBUG__ |
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133 | printk("shark_joy.c: Joystick Enabled.\n"); |
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134 | #endif |
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547 | mauro | 135 | } |
538 | mauro | 136 | |
547 | mauro | 137 | void joy_disable(void) |
138 | { |
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548 | mauro | 139 | joystick_enabled = FALSE; |
140 | #ifdef __JOY_DEBUG__ |
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141 | printk("shark_joy.c: Joystick Disabled.\n"); |
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142 | #endif |
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547 | mauro | 143 | } |
144 | |||
145 | |||
538 | mauro | 146 | /* Init the Linux Joystick Driver */ |
549 | mauro | 147 | int JOY26_installed(void) { |
148 | return joystick_installed; |
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149 | } |
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538 | mauro | 150 | |
549 | mauro | 151 | int JOY26_init(void) { |
152 | |||
538 | mauro | 153 | int ret; |
154 | |||
549 | mauro | 155 | if (INPUT26_installed() == FALSE) |
538 | mauro | 156 | if (INPUT26_init()) { |
157 | printk(KERN_ERR "Unable to open Input SubSystem.\n"); |
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158 | return -1; |
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159 | } |
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160 | |||
161 | ret = ns558_init(); |
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847 | giacomo | 162 | //if (ret) { |
163 | // printk(KERN_ERR "Gameport_Init return: %d\n", ret); |
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164 | // return -1; |
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165 | //} |
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538 | mauro | 166 | |
167 | #ifdef __JOY_DUMP__ |
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168 | ret = joydump_init(); |
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169 | #else |
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170 | ret = analog_init(); |
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171 | #endif |
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172 | if (ret) { |
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173 | printk(KERN_ERR "Joystick_Device_Init return: %d\n", ret); |
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174 | return -1; |
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175 | } |
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176 | |||
177 | ret = joystick_init(); |
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178 | if (ret) { |
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179 | printk(KERN_ERR "Joystick_Handler_Init return: %d\n", ret); |
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180 | return -1; |
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181 | } |
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548 | mauro | 182 | |
547 | mauro | 183 | joystick_installed = TRUE; |
548 | mauro | 184 | joystick_enabled = TRUE; |
185 | |||
538 | mauro | 186 | return 0; |
187 | } |
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188 | |||
549 | mauro | 189 | int JOY26_close(void) { |
547 | mauro | 190 | if (!joystick_installed) |
191 | return -1; |
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538 | mauro | 192 | |
548 | mauro | 193 | joystick_enabled = FALSE; |
538 | mauro | 194 | joystick_exit(); |
195 | #ifdef __JOY_DUMP__ |
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196 | joydump_exit(); |
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197 | #else |
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198 | analog_exit(); |
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199 | #endif |
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200 | ns558_exit(); |
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547 | mauro | 201 | |
202 | joystick_installed = FALSE; |
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538 | mauro | 203 | return 0; |
204 | } |