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      1  1.12   msaitoh /*	$NetBSD: pci_machdep.h,v 1.12 2016/07/07 06:55:38 msaitoh Exp $ */
      2   1.1       uwe 
      3   1.1       uwe /*
      4   1.1       uwe  * Copyright (c) 1999 Matthew R. Green
      5   1.1       uwe  * All rights reserved.
      6   1.1       uwe  *
      7   1.1       uwe  * Redistribution and use in source and binary forms, with or without
      8   1.1       uwe  * modification, are permitted provided that the following conditions
      9   1.1       uwe  * are met:
     10   1.1       uwe  * 1. Redistributions of source code must retain the above copyright
     11   1.1       uwe  *    notice, this list of conditions and the following disclaimer.
     12   1.1       uwe  * 2. Redistributions in binary form must reproduce the above copyright
     13   1.1       uwe  *    notice, this list of conditions and the following disclaimer in the
     14   1.1       uwe  *    documentation and/or other materials provided with the distribution.
     15   1.1       uwe  *
     16   1.1       uwe  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     17   1.1       uwe  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     18   1.1       uwe  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     19   1.1       uwe  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     20   1.1       uwe  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21   1.1       uwe  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     22   1.1       uwe  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23   1.1       uwe  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24   1.1       uwe  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25   1.1       uwe  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26   1.1       uwe  * SUCH DAMAGE.
     27   1.1       uwe  */
     28   1.1       uwe 
     29   1.1       uwe #ifndef _SPARC_PCI_MACHDEP_H_
     30   1.1       uwe #define _SPARC_PCI_MACHDEP_H_
     31   1.1       uwe 
     32   1.1       uwe /*
     33   1.1       uwe  * Machine-specific definitions for PCI autoconfiguration.
     34   1.1       uwe  */
     35   1.1       uwe 
     36   1.1       uwe /*
     37   1.1       uwe  * Types provided to machine-independent PCI code
     38   1.1       uwe  */
     39   1.1       uwe typedef struct sparc_pci_chipset *pci_chipset_tag_t;
     40   1.1       uwe typedef u_int pci_intr_handle_t;
     41  1.12   msaitoh typedef uint64_t pcitag_t;
     42   1.1       uwe 
     43   1.1       uwe 
     44   1.1       uwe /*
     45   1.1       uwe  * Forward declarations.
     46   1.1       uwe  */
     47   1.1       uwe struct pci_attach_args;
     48   1.1       uwe 
     49   1.1       uwe 
     50   1.1       uwe /*
     51   1.1       uwe  * sparc-specific PCI structure and type definitions.
     52   1.1       uwe  * NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
     53   1.1       uwe  */
     54   1.1       uwe struct sparc_pci_chipset {
     55   1.1       uwe 	void		*cookie;	/* msiiep_softc, but sssh! */
     56   1.1       uwe };
     57   1.1       uwe 
     58  1.10       jdc #define IS_PCI_BRIDGE(class) \
     59  1.10       jdc 	(((class >> 16) & 0xff) == PCI_CLASS_BRIDGE && \
     60  1.10       jdc 	    ((class >> 8) & 0xff) == PCI_SUBCLASS_BRIDGE_PCI)
     61  1.10       jdc 
     62   1.1       uwe /*
     63   1.1       uwe  * The MI PCI code expects pcitag_t to be a scalar type.  But besides
     64   1.1       uwe  * the bus/device/function we need to store the OFW node as well.  We
     65   1.6       uwe  * can squeeze them into a uint64_t with a little help from some
     66   1.1       uwe  * macros.  And while we are at it mangle bus/device/function into a
     67   1.1       uwe  * form directly suitable for pci mode1 configuration address port.
     68   1.1       uwe  */
     69   1.1       uwe #define	PCITAG_CREATE(n,b,d,f)	\
     70  1.10       jdc 	(((uint64_t)(n)<<32)|0x80000000U|((b)<<16)|((d)<<11)|((f)<<8)|(b?1:0))
     71   1.1       uwe 
     72   1.6       uwe #define	PCITAG_NODE(t)		((uint32_t)(((t)>>32)&0xffffffff))
     73   1.6       uwe #define	PCITAG_OFFSET(t)	((uint32_t)((t)&0xffffffff))
     74   1.1       uwe #define PCITAG_BUS(t)		((PCITAG_OFFSET(t)>>16)&0xFF)
     75   1.1       uwe #define PCITAG_DEV(t)		((PCITAG_OFFSET(t)>>11)&0x1F)
     76   1.1       uwe #define PCITAG_FUN(t)		((PCITAG_OFFSET(t)>>8)&0x7)
     77   1.1       uwe 
     78   1.1       uwe 
     79   1.1       uwe /*
     80   1.1       uwe  * Functions provided to machine-independent PCI code.
     81   1.1       uwe  */
     82   1.9       chs void		pci_attach_hook(device_t, device_t,
     83   1.1       uwe 				struct pcibus_attach_args *);
     84   1.1       uwe int		pci_bus_maxdevs(pci_chipset_tag_t, int);
     85   1.1       uwe pcitag_t	pci_make_tag(pci_chipset_tag_t, int, int, int);
     86   1.1       uwe void		pci_decompose_tag(pci_chipset_tag_t, pcitag_t,
     87   1.1       uwe 				  int *, int *, int *);
     88   1.1       uwe pcireg_t	pci_conf_read(pci_chipset_tag_t, pcitag_t, int);
     89   1.1       uwe void		pci_conf_write(pci_chipset_tag_t, pcitag_t, int, pcireg_t);
     90   1.8    dyoung int		pci_intr_map(const struct pci_attach_args *,
     91   1.8    dyoung 		             pci_intr_handle_t *);
     92  1.11  christos const char	*pci_intr_string(pci_chipset_tag_t, pci_intr_handle_t,
     93  1.11  christos 				 char *, size_t);
     94   1.1       uwe const struct evcnt *pci_intr_evcnt(pci_chipset_tag_t, pci_intr_handle_t);
     95   1.1       uwe void		*pci_intr_establish(pci_chipset_tag_t, pci_intr_handle_t,
     96   1.1       uwe 				    int, int (*)(void *), void *);
     97   1.1       uwe void		pci_intr_disestablish(pci_chipset_tag_t, void *);
     98   1.3   thorpej 
     99   1.1       uwe #endif /* _SPARC_PCI_MACHDEP_H_ */
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