71 static int a3d_read_packet(struct gameport *gameport, int length, char *data)  in a3d_read_packet()  argument
90 			data[i++] = v >> 5;  in a3d_read_packet()
104 static int a3d_csum(char *data, int count)  in a3d_csum()  argument
109 		csum += data[i];  in a3d_csum()
110 	return (csum & 0x3f) != ((data[count - 2] << 3) | data[count - 1]);  in a3d_csum()
113 static void a3d_read(struct a3d *a3d, unsigned char *data)  in a3d_read()  argument
123 …	input_report_rel(dev, REL_X, ((data[5] << 6) | (data[6] << 3) | data[ 7]) - ((data[5] & 4) << 7));  in a3d_read()
124 …	input_report_rel(dev, REL_Y, ((data[8] << 6) | (data[9] << 3) | data[10]) - ((data[8] & 4) << 7));  in a3d_read()
126 			input_report_key(dev, BTN_RIGHT,  data[2] & 1);  in a3d_read()
127 			input_report_key(dev, BTN_LEFT,   data[3] & 2);  in a3d_read()
128 			input_report_key(dev, BTN_MIDDLE, data[3] & 4);  in a3d_read()
132 			a3d->axes[0] = ((signed char)((data[11] << 6) | (data[12] << 3) | (data[13]))) + 128;  in a3d_read()
133 			a3d->axes[1] = ((signed char)((data[14] << 6) | (data[15] << 3) | (data[16]))) + 128;  in a3d_read()
134 			a3d->axes[2] = ((signed char)((data[17] << 6) | (data[18] << 3) | (data[19]))) + 128;  in a3d_read()
135 			a3d->axes[3] = ((signed char)((data[20] << 6) | (data[21] << 3) | (data[22]))) + 128;  in a3d_read()
137 			a3d->buttons = ((data[3] << 3) | data[4]) & 0xf;  in a3d_read()
143 …input_report_rel(dev, REL_X, ((data[ 9] << 6) | (data[10] << 3) | data[11]) - ((data[ 9] & 4) << 7…  in a3d_read()
144 …input_report_rel(dev, REL_Y, ((data[12] << 6) | (data[13] << 3) | data[14]) - ((data[12] & 4) << 7…  in a3d_read()
146 			input_report_key(dev, BTN_RIGHT,  data[2] & 1);  in a3d_read()
147 			input_report_key(dev, BTN_LEFT,   data[3] & 2);  in a3d_read()
148 			input_report_key(dev, BTN_MIDDLE, data[3] & 4);  in a3d_read()
149 			input_report_key(dev, BTN_SIDE,   data[7] & 2);  in a3d_read()
150 			input_report_key(dev, BTN_EXTRA,  data[7] & 4);  in a3d_read()
152 …input_report_abs(dev, ABS_X,        ((signed char)((data[15] << 6) | (data[16] << 3) | (data[17]))…  in a3d_read()
153 …input_report_abs(dev, ABS_Y,        ((signed char)((data[18] << 6) | (data[19] << 3) | (data[20]))…  in a3d_read()
154 …input_report_abs(dev, ABS_RUDDER,   ((signed char)((data[21] << 6) | (data[22] << 3) | (data[23]))…  in a3d_read()
155 …input_report_abs(dev, ABS_THROTTLE, ((signed char)((data[24] << 6) | (data[25] << 3) | (data[26]))…  in a3d_read()
157 			input_report_abs(dev, ABS_HAT0X, ( data[5]       & 1) - ((data[5] >> 2) & 1));  in a3d_read()
158 			input_report_abs(dev, ABS_HAT0Y, ((data[5] >> 1) & 1) - ((data[6] >> 2) & 1));  in a3d_read()
159 			input_report_abs(dev, ABS_HAT1X, ((data[4] >> 1) & 1) - ( data[3]       & 1));  in a3d_read()
160 			input_report_abs(dev, ABS_HAT1Y, ((data[4] >> 2) & 1) - ( data[4]       & 1));  in a3d_read()
162 			input_report_key(dev, BTN_TRIGGER, data[8] & 1);  in a3d_read()
163 			input_report_key(dev, BTN_THUMB,   data[8] & 2);  in a3d_read()
164 			input_report_key(dev, BTN_TOP,     data[8] & 4);  in a3d_read()
165 			input_report_key(dev, BTN_PINKIE,  data[7] & 1);  in a3d_read()
181 	unsigned char data[A3D_MAX_LENGTH];  in a3d_poll()  local
184 	if (a3d_read_packet(a3d->gameport, a3d->length, data) != a3d->length ||  in a3d_poll()
185 	    data[0] != a3d->mode || a3d_csum(data, a3d->length))  in a3d_poll()
188 		a3d_read(a3d, data);  in a3d_poll()
267 	unsigned char data[A3D_MAX_LENGTH];  in a3d_connect()  local
287 	i = a3d_read_packet(gameport, A3D_MAX_LENGTH, data);  in a3d_connect()
289 	if (!i || a3d_csum(data, i)) {  in a3d_connect()
294 	a3d->mode = data[0];  in a3d_connect()
340 		a3d_read(a3d, data);  in a3d_connect()
359 		a3d_read(a3d, data);  in a3d_connect()