input/serio/i8042.c

297  * parameters are to be stored in the param array, and the output is placed
302 static int __i8042_command(unsigned char *param, int command)
322 		dbg("%02x -> i8042 (parameter)\n", param[i]);
323 		i8042_write_data(param[i]);
339 		param[i] = i8042_read_data();
340 		dbg("%02x <- i8042 (return)\n", param[i]);
346 int i8042_command(unsigned char *param, int command)
355 	retval = __i8042_command(param, command);
657 	unsigned char param;
661 		i8042_command(&param, I8042_CMD_MUX_PFX + i);
662 		i8042_command(&param, I8042_CMD_AUX_ENABLE);
677 	unsigned char param, val;
689 	param = val = 0xf0;
690 	if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param != val)
692 	param = val = multiplex ? 0x56 : 0xf6;
693 	if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param != val)
695 	param = val = multiplex ? 0xa4 : 0xa5;
696 	if (i8042_command(&param, I8042_CMD_AUX_LOOP) || param == val)
703 	if (param == 0xac)
707 		*mux_version = param;
779 	unsigned char param;
782 	if (i8042_command(&param,
790 		if (i8042_command(&param, I8042_CMD_CTL_RCTR))
793 		if (!(param & I8042_CTR_AUXDIS) == on)
811 	unsigned char param;
825 	param = 0x5a;
826 	retval = i8042_command(&param, I8042_CMD_AUX_LOOP);
827 	if (retval || param != 0x5a) {
837 		if (i8042_command(&param, I8042_CMD_AUX_TEST) ||
838 		    (param && param != 0xfa && param != 0xff))
899 	param = 0xa5;
900 	retval = __i8042_command(&param, I8042_CMD_AUX_LOOP & 0xf0ff);
948 	unsigned char param;
957 		if (i8042_command(&param, I8042_CMD_CTL_TEST)) {
962 		if (param == I8042_RET_CTL_TEST)
966 		    param, I8042_RET_CTL_TEST);
1157 	unsigned char param = 0x90;
1160 	error = i8042_command(&param, 0x1059);