4 * Implements the standard dreamcast controller
7 * Copyright (c) 2005 Nathan Keynes.
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
23 #include "dreamcast.h"
27 /* First word of controller condition */
28 #define BUTTON_C 0x00000001 /* not on standard controller */
29 #define BUTTON_B 0x00000002
30 #define BUTTON_A 0x00000004
31 #define BUTTON_START 0x00000008
32 #define BUTTON_DPAD_UP 0x00000010
33 #define BUTTON_DPAD_DOWN 0x00000020
34 #define BUTTON_DPAD_LEFT 0x00000040
35 #define BUTTON_DPAD_RIGHT 0x00000080
36 #define BUTTON_Z 0x00000100 /* not on standard controller */
37 #define BUTTON_Y 0x00000200
38 #define BUTTON_X 0x00000400
39 #define BUTTON_D 0x00000800 /* not on standard controller */
40 #define BUTTON_LEFT_TRIGGER 0xFF000000 /* Bitmask */
41 #define BUTTON_RIGHT_TRIGGER 0x00FF0000 /* Bitmask */
43 /* Second word of controller condition (bitmasks) */
44 #define JOY_X_AXIS_MASK 0x000000FF
45 #define JOY_Y_AXIS_MASK 0x0000FF00
46 #define JOY_X_AXIS_CENTER 0x00000080
47 #define JOY_Y_AXIS_CENTER 0x00008000
48 #define JOY2_X_AXIS_MASK 0x00FF0000 /* not on standard controller */
49 #define JOY2_Y_AXIS_MASK 0xFF000000 /* not on standard controller */
51 #define JOY_X_AXIS(x) ((x)&0xFF)
52 #define JOY_Y_AXIS(y) (((y)&0xFF)<<8)
54 /* The following bits are used by the emulator for flags but don't actually
55 * appear in the hardware
57 #define JOY_LEFT 0x80000001
58 #define JOY_RIGHT 0x80000002
59 #define JOY_UP 0x80000004
60 #define JOY_DOWN 0x80000008
62 /* Standard controller ID */
63 #define CONTROLLER_IDENT {0x00, 0x00, 0x00, 0x01, 0x00, 0x0f, 0x06, 0xfe, 0x00, 0x00, 0x00, 0x00, \
64 0x00, 0x00, 0x00, 0x00, 0xff, 0x00, 0x44, 0x72, 0x65, 0x61, 0x6d, 0x63, 0x61, 0x73, 0x74, 0x20, \
65 0x43, 0x6f, 0x6e, 0x74, 0x72, 0x6f, 0x6c, 0x6c, 0x65, 0x72, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, \
66 0x20, 0x20, 0x20, 0x20, 0x50, 0x72, 0x6f, 0x64, 0x75, 0x63, 0x65, 0x64, 0x20, 0x42, 0x79, 0x20, \
67 0x6f, 0x72, 0x20, 0x55, 0x6e, 0x64, 0x65, 0x72, 0x20, 0x4c, 0x69, 0x63, 0x65, 0x6e, 0x73, 0x65, \
68 0x20, 0x46, 0x72, 0x6f, 0x6d, 0x20, 0x53, 0x45, 0x47, 0x41, 0x20, 0x45, 0x4e, 0x54, 0x45, 0x52, \
69 0x50, 0x52, 0x49, 0x53, 0x45, 0x53, 0x2c, 0x4c, 0x54, 0x44, 0x2e, 0x20, 0x20, 0x20, 0x20, 0x20, \
70 0xae, 0x01, 0xf4, 0x01}
71 #define CONTROLLER_VERSION {0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x2e, 0x30, 0x31, \
72 0x30, 0x2c, 0x31, 0x39, 0x39, 0x38, 0x2f, 0x30, 0x39, 0x2f, 0x32, 0x38, 0x2c, 0x33, 0x31, 0x35, \
73 0x2d, 0x36, 0x32, 0x31, 0x31, 0x2d, 0x41, 0x42, 0x20, 0x20, 0x20, 0x2c, 0x41, 0x6e, 0x61, 0x6c, \
74 0x6f, 0x67, 0x20, 0x4d, 0x6f, 0x64, 0x75, 0x6c, 0x65, 0x20, 0x3a, 0x20, 0x54, 0x68, 0x65, 0x20, \
75 0x34, 0x74, 0x68, 0x20, 0x45, 0x64, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x2e, 0x35, 0x2f, 0x38, 0x20, \
76 0x20, 0x2b, 0x44, 0x46 }
78 #define CONTROLLER_CONFIG_ENTRIES 15
80 static void controller_attach( maple_device_t dev );
81 static void controller_detach( maple_device_t dev );
82 static void controller_destroy( maple_device_t dev );
83 static maple_device_t controller_clone( maple_device_t dev );
84 static maple_device_t controller_new();
85 static lxdream_config_entry_t controller_get_config( maple_device_t dev );
86 static void controller_set_config_value( maple_device_t dev, unsigned int key, const gchar *value );
87 static int controller_get_cond( maple_device_t dev, int function, unsigned char *outbuf,
88 unsigned int *outlen );
90 typedef struct controller_device {
91 struct maple_device dev;
92 uint32_t condition[2];
93 struct lxdream_config_entry config[CONTROLLER_CONFIG_ENTRIES+1];
94 } *controller_device_t;
96 struct maple_device_class controller_class = { "Sega Controller",
97 MAPLE_TYPE_PRIMARY|MAPLE_GRAB_DONTCARE|MAPLE_SLOTS_2, controller_new };
99 static struct controller_device base_controller = {
100 { MAPLE_DEVICE_TAG, &controller_class,
101 CONTROLLER_IDENT, CONTROLLER_VERSION,
102 controller_get_config, controller_set_config_value,
103 controller_attach, controller_detach, controller_destroy,
104 controller_clone, NULL, NULL, controller_get_cond, NULL, NULL, NULL, NULL, NULL, NULL },
105 {0x0000FFFF, 0x80808080},
106 {{ "dpad left", N_("Dpad left"), CONFIG_TYPE_KEY },
107 { "dpad right", N_("Dpad right"), CONFIG_TYPE_KEY },
108 { "dpad up", N_("Dpad up"), CONFIG_TYPE_KEY },
109 { "dpad down", N_("Dpad down"), CONFIG_TYPE_KEY },
110 { "analog left", N_("Analog left"), CONFIG_TYPE_KEY },
111 { "analog right", N_("Analog right"), CONFIG_TYPE_KEY },
112 { "analog up", N_("Analog up"), CONFIG_TYPE_KEY },
113 { "analog down", N_("Analog down"), CONFIG_TYPE_KEY },
114 { "button X", N_("Button X"), CONFIG_TYPE_KEY },
115 { "button Y", N_("Button Y"), CONFIG_TYPE_KEY },
116 { "button A", N_("Button A"), CONFIG_TYPE_KEY },
117 { "button B", N_("Button B"), CONFIG_TYPE_KEY },
118 { "trigger left", N_("Trigger left"), CONFIG_TYPE_KEY },
119 { "trigger right", N_("Trigger right"), CONFIG_TYPE_KEY },
120 { "start", N_("Start button"), CONFIG_TYPE_KEY },
121 { NULL, CONFIG_TYPE_NONE }} };
123 static int config_button_map[] = {
124 BUTTON_DPAD_LEFT, BUTTON_DPAD_RIGHT, BUTTON_DPAD_UP, BUTTON_DPAD_DOWN,
125 JOY_LEFT, JOY_RIGHT, JOY_UP, JOY_DOWN, BUTTON_X, BUTTON_Y, BUTTON_A,
126 BUTTON_B, BUTTON_LEFT_TRIGGER, BUTTON_RIGHT_TRIGGER, BUTTON_START };
128 #define CONTROLLER(x) ((controller_device_t)(x))
130 static maple_device_t controller_new( )
132 controller_device_t dev = malloc( sizeof(struct controller_device) );
133 memcpy( dev, &base_controller, sizeof(base_controller) );
134 return MAPLE_DEVICE(dev);
137 static maple_device_t controller_clone( maple_device_t srcdevice )
139 controller_device_t src = (controller_device_t)srcdevice;
140 controller_device_t dev = (controller_device_t)controller_new();
141 lxdream_copy_config_list( dev->config, src->config );
142 memcpy( dev->condition, src->condition, sizeof(src->condition) );
143 return MAPLE_DEVICE(dev);
149 static void controller_key_callback( void *mdev, uint32_t value, uint32_t pressure, gboolean isKeyDown )
151 controller_device_t dev = (controller_device_t)mdev;
155 dev->condition[1] &= ~JOY_X_AXIS_MASK;
156 dev->condition[1] |= JOY_X_AXIS(0x7F - pressure);
159 dev->condition[1] &= ~JOY_X_AXIS_MASK;
160 dev->condition[1] |= JOY_X_AXIS(0x80 + pressure);
163 dev->condition[1] &= ~JOY_Y_AXIS_MASK;
164 dev->condition[1] |= JOY_Y_AXIS(0x7F - pressure);
167 dev->condition[1] &= ~JOY_Y_AXIS_MASK;
168 dev->condition[1] |= JOY_Y_AXIS(0x80 + pressure);
170 case BUTTON_LEFT_TRIGGER:
171 case BUTTON_RIGHT_TRIGGER:
172 dev->condition[0] |= value;
175 dev->condition[0] &= ~value;
181 dev->condition[1] = (dev->condition[1] & ~JOY_X_AXIS_MASK)| JOY_X_AXIS_CENTER;
185 dev->condition[1] = (dev->condition[1] & ~JOY_Y_AXIS_MASK)| JOY_Y_AXIS_CENTER;
187 case BUTTON_LEFT_TRIGGER:
188 case BUTTON_RIGHT_TRIGGER:
189 dev->condition[0] &= ~value;
192 dev->condition[0] |= value;
197 static lxdream_config_entry_t controller_get_config( maple_device_t mdev )
199 controller_device_t dev = (controller_device_t)mdev;
203 static void controller_set_config_value( maple_device_t mdev, unsigned int key, const gchar *value )
205 controller_device_t dev = (controller_device_t)mdev;
206 assert( key < CONTROLLER_CONFIG_ENTRIES );
208 input_unregister_key( dev->config[key].value, controller_key_callback, dev, config_button_map[key] );
209 lxdream_set_config_value( &dev->config[key], value );
210 input_register_key( dev->config[key].value, controller_key_callback, dev, config_button_map[key] );
213 static void controller_destroy( maple_device_t mdev )
219 * Device is being attached to the bus. Go through the config and reserve the
222 static void controller_attach( maple_device_t mdev )
224 controller_device_t dev = (controller_device_t)mdev;
226 for( i=0; i<CONTROLLER_CONFIG_ENTRIES; i++ ) {
227 input_register_key( dev->config[i].value, controller_key_callback, dev, config_button_map[i] );
231 static void controller_detach( maple_device_t mdev )
233 controller_device_t dev = (controller_device_t)mdev;
235 for( i=0; i<CONTROLLER_CONFIG_ENTRIES; i++ ) {
236 input_unregister_key( dev->config[i].value, controller_key_callback, dev, config_button_map[i] );
242 static int controller_get_cond( maple_device_t mdev, int function, unsigned char *outbuf,
243 unsigned int *outlen )
245 controller_device_t dev = (controller_device_t)mdev;
246 if( function == MAPLE_FUNC_CONTROLLER ) {
248 memcpy( outbuf, dev->condition, 8 );
251 return MAPLE_ERR_FUNC_UNSUP;
.