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cacvar.h revision 1.12.20.2
      1  1.12.20.2     ad /*	$NetBSD: cacvar.h,v 1.12.20.2 2007/01/15 17:57:47 ad Exp $	*/
      2        1.1     ad 
      3        1.1     ad /*-
      4        1.1     ad  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5        1.1     ad  * All rights reserved.
      6        1.1     ad  *
      7        1.1     ad  * This code is derived from software contributed to The NetBSD Foundation
      8        1.5     ad  * by Andrew Doran.
      9        1.1     ad  *
     10        1.1     ad  * Redistribution and use in source and binary forms, with or without
     11        1.1     ad  * modification, are permitted provided that the following conditions
     12        1.1     ad  * are met:
     13        1.1     ad  * 1. Redistributions of source code must retain the above copyright
     14        1.1     ad  *    notice, this list of conditions and the following disclaimer.
     15        1.1     ad  * 2. Redistributions in binary form must reproduce the above copyright
     16        1.1     ad  *    notice, this list of conditions and the following disclaimer in the
     17        1.1     ad  *    documentation and/or other materials provided with the distribution.
     18        1.1     ad  * 3. All advertising materials mentioning features or use of this software
     19        1.1     ad  *    must display the following acknowledgement:
     20        1.1     ad  *        This product includes software developed by the NetBSD
     21        1.1     ad  *        Foundation, Inc. and its contributors.
     22        1.1     ad  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23        1.1     ad  *    contributors may be used to endorse or promote products derived
     24        1.1     ad  *    from this software without specific prior written permission.
     25        1.1     ad  *
     26        1.1     ad  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27        1.1     ad  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28        1.1     ad  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29        1.1     ad  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30        1.1     ad  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31        1.1     ad  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32        1.1     ad  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33        1.1     ad  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34        1.1     ad  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35        1.1     ad  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36        1.1     ad  * POSSIBILITY OF SUCH DAMAGE.
     37        1.1     ad  */
     38        1.1     ad 
     39        1.1     ad #ifndef _IC_CACVAR_H_
     40        1.6     ad #define	_IC_CACVAR_H_
     41        1.1     ad 
     42  1.12.20.2     ad #include <sys/mutex.h>
     43  1.12.20.2     ad #include <sys/condvar.h>
     44  1.12.20.2     ad 
     45  1.12.20.1     ad #define	CAC_MAX_CCBS	256
     46        1.3     ad #define	CAC_MAX_XFER	(0xffff * 512)
     47        1.6     ad #define	CAC_SG_SIZE	32
     48        1.6     ad 
     49        1.6     ad #define	cac_inb(sc, port) \
     50        1.6     ad 	bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, port)
     51        1.6     ad #define	cac_inw(sc, port) \
     52        1.6     ad 	bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, port)
     53        1.6     ad #define	cac_inl(sc, port) \
     54        1.6     ad 	bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, port)
     55        1.6     ad #define	cac_outb(sc, port, val) \
     56        1.6     ad 	bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, port, val)
     57        1.6     ad #define	cac_outw(sc, port, val) \
     58        1.6     ad 	bus_space_write_2((sc)->sc_iot, (sc)->sc_ioh, port, val)
     59        1.6     ad #define	cac_outl(sc, port, val) \
     60        1.6     ad 	bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, port, val)
     61        1.6     ad 
     62        1.6     ad /*
     63        1.6     ad  * Stupid macros to deal with alignment/endianness issues.
     64        1.6     ad  */
     65        1.6     ad 
     66        1.6     ad #define	CAC_GET1(x)							\
     67        1.6     ad 	(((u_char *)&(x))[0])
     68        1.6     ad #define	CAC_GET2(x)							\
     69        1.6     ad 	(((u_char *)&(x))[0] | (((u_char *)&(x))[1] << 8))
     70        1.6     ad #define	CAC_GET4(x)							\
     71        1.6     ad 	((((u_char *)&(x))[0] | (((u_char *)&(x))[1] << 8)) |		\
     72        1.6     ad 	(((u_char *)&(x))[0] << 16 | (((u_char *)&(x))[1] << 24)))
     73        1.1     ad 
     74        1.1     ad struct cac_softc;
     75        1.1     ad struct cac_ccb;
     76        1.1     ad 
     77        1.1     ad struct cac_context {
     78        1.8     ad 	void		(*cc_handler)(struct device *, void *, int);
     79        1.1     ad 	struct device	*cc_dv;
     80        1.1     ad 	void 		*cc_context;
     81        1.1     ad };
     82        1.1     ad 
     83        1.1     ad struct cac_ccb {
     84        1.1     ad 	/* Data the controller will touch - 276 bytes */
     85        1.1     ad 	struct cac_hdr	ccb_hdr;
     86        1.1     ad 	struct cac_req	ccb_req;
     87        1.1     ad 	struct cac_sgb	ccb_seg[CAC_SG_SIZE];
     88        1.1     ad 
     89        1.1     ad 	/* Data the controller won't touch */
     90        1.1     ad 	int		ccb_flags;
     91        1.1     ad 	int		ccb_datasize;
     92        1.1     ad 	paddr_t		ccb_paddr;
     93        1.1     ad 	bus_dmamap_t	ccb_dmamap_xfer;
     94        1.1     ad 	SIMPLEQ_ENTRY(cac_ccb) ccb_chain;
     95        1.1     ad 	struct cac_context ccb_context;
     96        1.1     ad };
     97        1.1     ad 
     98        1.6     ad #define	CAC_CCB_DATA_IN		0x0001	/* Map describes inbound xfer */
     99        1.6     ad #define	CAC_CCB_DATA_OUT	0x0002	/* Map describes outbound xfer */
    100        1.6     ad #define	CAC_CCB_ACTIVE		0x0004	/* Command submitted to controller */
    101        1.1     ad 
    102        1.1     ad struct cac_linkage {
    103        1.6     ad 	struct	cac_ccb *(*cl_completed)(struct cac_softc *);
    104        1.6     ad 	int	(*cl_fifo_full)(struct cac_softc *);
    105        1.6     ad 	void	(*cl_intr_enable)(struct cac_softc *, int);
    106        1.6     ad 	int	(*cl_intr_pending)(struct cac_softc *);
    107        1.6     ad 	void	(*cl_submit)(struct cac_softc *, struct cac_ccb *);
    108        1.1     ad };
    109        1.1     ad 
    110        1.1     ad struct cac_softc {
    111        1.1     ad 	struct device		sc_dv;
    112  1.12.20.2     ad 	kmutex_t		sc_mutex;
    113        1.1     ad 	bus_space_tag_t		sc_iot;
    114        1.1     ad 	bus_space_handle_t	sc_ioh;
    115        1.1     ad 	bus_dma_tag_t		sc_dmat;
    116        1.1     ad 	bus_dmamap_t		sc_dmamap;
    117        1.8     ad 	int			sc_nunits;
    118        1.1     ad 	void			*sc_ih;
    119        1.1     ad 	caddr_t			sc_ccbs;
    120        1.1     ad 	paddr_t			sc_ccbs_paddr;
    121       1.11  perry 	SIMPLEQ_HEAD(, cac_ccb)	sc_ccb_free;
    122        1.1     ad 	SIMPLEQ_HEAD(, cac_ccb)	sc_ccb_queue;
    123  1.12.20.2     ad 	kcondvar_t		sc_ccb_cv;
    124        1.9     ad 	struct cac_linkage	sc_cl;
    125        1.1     ad };
    126        1.1     ad 
    127        1.1     ad struct cac_attach_args {
    128        1.1     ad 	int		caca_unit;
    129        1.1     ad };
    130        1.1     ad 
    131       1.11  perry int	cac_cmd(struct cac_softc *, int, void *, int, int, int, int,
    132        1.6     ad 		struct cac_context *);
    133        1.6     ad int	cac_init(struct cac_softc *, const char *, int);
    134        1.6     ad int	cac_intr(void *);
    135        1.6     ad 
    136        1.9     ad extern const struct	cac_linkage cac_l0;
    137        1.1     ad 
    138        1.1     ad #endif	/* !_IC_CACVAR_H_ */
    139