 @@ -1,177 +1,176 @@
-/*	$NetBSD: plcomvar.h,v 1.14 2013/05/01 07:33:24 mlelstv Exp $	*/
+/*	$NetBSD: plcomvar.h,v 1.15 2014/02/21 16:08:19 skrll Exp $	*/
 /*
  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *      This product includes software developed by Christopher G. Demetriou
  *	for the NetBSD Project.
  * 4. The name of the author may not be used to endorse or promote products
  *    derived from this software without specific prior written permission
+ *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "rnd.h"
 #include "opt_multiprocessor.h"
 #include "opt_lockdebug.h"
 #include "opt_plcom.h"
 #include "opt_kgdb.h"
 #ifdef RND_COM
 #include <sys/rnd.h>
 #endif
 #include <sys/callout.h>
 #include <sys/timepps.h>
 #include <sys/simplelock.h>
 struct plcom_instance;
 int  plcomcnattach	(struct plcom_instance *, int, int, tcflag_t, int);
 void plcomcndetach	(void);
 #ifdef KGDB
 int  plcom_kgdb_attach	(struct plcom_instance *, int, int, tcflag_t, int);
 #endif
 int  plcom_is_console	(bus_space_tag_t, bus_addr_t, bus_space_handle_t *);
 /* Hardware flag masks */
 #define	PLCOM_HW_NOIEN		0x01
 #define	PLCOM_HW_FIFO		0x02
 #define	PLCOM_HW_HAYESP		0x04
 #define	PLCOM_HW_FLOW		0x08
 #define	PLCOM_HW_DEV_OK		0x20
 #define	PLCOM_HW_CONSOLE	0x40
 #define	PLCOM_HW_KGDB		0x80
 #define	PLCOM_HW_TXFIFO_DISABLE	0x100
 /* Buffer size for character buffer */
 #define	PLCOM_RING_SIZE		2048
 struct plcom_instance {
 	u_int			pi_type;
 #define	PLCOM_TYPE_PL010 0
 #define	PLCOM_TYPE_PL011 1
 	uint32_t		pi_flags;	/* flags for this PLCOM */
 #define	PLC_FLAG_USE_DMA		0x0001
 #define	PLC_FLAG_32BIT_ACCESS		0x0002
 	void 			*pi_cookie;
 	bus_space_tag_t		pi_iot;
 	bus_space_handle_t	pi_ioh;
 	bus_addr_t		pi_iobase;
 	bus_addr_t		pi_size;
 	struct plcom_registers	*pi_regs;
 };
 struct plcomcons_info {
 	int	rate;
 	int	frequency;
 	int	type;
 	tcflag_t	cflag;
 };
 struct plcom_softc {
 	device_t sc_dev;
 	struct tty *sc_tty;
 	void *sc_si;
 	struct callout sc_diag_callout;
  	int sc_frequency;
 	struct plcom_instance sc_pi;
 	u_int sc_overflows,
 	      sc_floods,
 	      sc_errors;
 	int sc_hwflags,
 	    sc_swflags;
 	u_int sc_fifolen;
 	u_int sc_r_hiwat,
 	      sc_r_lowat;
 	u_char *volatile sc_rbget,
 	       *volatile sc_rbput;
  	volatile u_int sc_rbavail;
 	u_char *sc_rbuf,
 	       *sc_ebuf;
  	u_char *sc_tba;
  	u_int sc_tbc,
 	      sc_heldtbc;
 	volatile u_char sc_rx_flags,
 #define	RX_TTY_BLOCKED		0x01
 #define	RX_TTY_OVERFLOWED	0x02
 #define	RX_IBUF_BLOCKED		0x04
 #define	RX_IBUF_OVERFLOWED	0x08
 #define	RX_ANY_BLOCK		0x0f
 			sc_tx_busy,
 			sc_tx_done,
 			sc_tx_stopped,
 			sc_st_check,
 			sc_rx_ready;
 	volatile u_char sc_heldchange;
 	volatile u_int sc_cr, sc_ratel, sc_rateh, sc_imsc;
 	volatile u_int sc_msr, sc_msr_delta, sc_msr_mask;
 	volatile u_char sc_mcr, sc_mcr_active, sc_lcr;
 	u_char sc_mcr_dtr, sc_mcr_rts, sc_msr_cts, sc_msr_dcd;
 	u_int sc_fifo;
 	/* Support routine to program mcr lines for PL010, if present.  */
 	void	(*sc_set_mcr)(void *, int, u_int);
 	void	*sc_set_mcr_arg;
 	/* power management hooks */
 	int (*enable) (struct plcom_softc *);
 	void (*disable) (struct plcom_softc *);
 	int enabled;
 	/* PPS signal on DCD, with or without inkernel clock disciplining */
 	u_char	sc_ppsmask;			/* pps signal mask */
 	u_char	sc_ppsassert;			/* pps leading edge */
 	u_char	sc_ppsclear;			/* pps trailing edge */
 	pps_info_t ppsinfo;
 	pps_params_t ppsparam;
 #ifdef RND_COM
 	krndsource_t  rnd_source;
 #endif
 	kmutex_t		sc_lock;
 };
 #if 0
 int  plcomprobe1	(bus_space_tag_t, bus_space_handle_t);
 #endif
 int  plcomintr		(void *);
 void plcom_attach_subr	(struct plcom_softc *);
 int  plcom_detach	(device_t, int);
 int  plcom_activate	(device_t, enum devact);