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/* $OpenBSD: pci_machdep.h,v 1.12 2022/01/08 05:34:54 visa Exp $ */
/*
* Copyright (c) 2003-2004 Opsycon AB (www.opsycon.se / www.opsycon.com)
*
* 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.
*
* 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 <sys/systm.h>
typedef struct mips_pci_chipset *pci_chipset_tag_t;
typedef u_int64_t pcitag_t;
#define PCITAG_NODE(x) ((x) >> 32)
#define PCITAG_OFFSET(x) ((x) & 0xffffffff)
typedef u_long pci_intr_handle_t;
struct pci_attach_args;
/*
* mips-specific PCI structure and type definitions.
* NOT TO BE USED DIRECTLY BY MACHINE INDEPENDENT CODE.
*/
struct mips_pci_chipset {
void *pc_conf_v;
void (*pc_attach_hook)(struct device *,
struct device *, struct pcibus_attach_args *);
int (*pc_bus_maxdevs)(void *, int);
pcitag_t (*pc_make_tag)(void *, int, int, int);
void (*pc_decompose_tag)(void *, pcitag_t, int *,
int *, int *);
int (*pc_conf_size)(void *, pcitag_t);
pcireg_t (*pc_conf_read)(void *, pcitag_t, int);
void (*pc_conf_write)(void *, pcitag_t, int, pcireg_t);
void *pc_intr_v;
int (*pc_intr_map)(struct pci_attach_args *,
pci_intr_handle_t *);
const char *(*pc_intr_string)(void *, pci_intr_handle_t);
void *(*pc_intr_establish)(void *, pci_intr_handle_t,
int, int (*)(void *), void *, char *);
void (*pc_intr_disestablish)(void *, void *);
};
/*
* Functions provided to machine-independent PCI code.
*/
//#define DEBUG_PCI_CONF
#define pci_attach_hook(p, s, pba) \
(*(pba)->pba_pc->pc_attach_hook)((p), (s), (pba))
#define pci_bus_maxdevs(c, b) \
(*(c)->pc_bus_maxdevs)((c)->pc_conf_v, (b))
#define pci_make_tag(c, b, d, f) \
(*(c)->pc_make_tag)((c)->pc_conf_v, (b), (d), (f))
#define pci_decompose_tag(c, t, bp, dp, fp) \
(*(c)->pc_decompose_tag)((c)->pc_conf_v, (t), (bp), (dp), (fp))
#define pci_conf_size(c, t) \
(*(c)->pc_conf_size)((c)->pc_conf_v, (t))
#ifdef DEBUG_PCI_CONF
static inline pcireg_t
pci_conf_read_db(void *cookie, pcitag_t tag, int reg,
const char *file, const char *func, int line)
{
struct mips_pci_chipset *pc = cookie;
pcireg_t val;
val = (*(pc)->pc_conf_read)(pc->pc_conf_v, tag, reg);
printf("%s:%s:%d:pci_conf_read(%llx,%x) = %x\n", file, func, line,
tag, reg, val);
return val;
}
static inline void
pci_conf_write_db(void *cookie, pcitag_t tag, int reg, pcireg_t val,
const char *file, const char *func, int line)
{
struct mips_pci_chipset *pc = cookie;
printf("%s:%s:%d:pci_conf_write(%llx,%x,%x)\n", file, func, line,
tag, reg, val);
(*(pc)->pc_conf_write)(pc->pc_conf_v, tag, reg, val);
}
#define pci_conf_read(c, t, r) \
pci_conf_read_db(c, t, r, __FILE__, __FUNCTION__, __LINE__)
#define pci_conf_write(c, t, r, v) \
pci_conf_write_db(c, t, r, v, __FILE__, __FUNCTION__, __LINE__)
#else
#define pci_conf_read(c, t, r) \
(*(c)->pc_conf_read)((c)->pc_conf_v, (t), (r))
#define pci_conf_write(c, t, r, v) \
(*(c)->pc_conf_write)((c)->pc_conf_v, (t), (r), (v))
#endif
#define pci_intr_map(c, ihp) \
(*(c)->pa_pc->pc_intr_map)((c), (ihp))
#define pci_intr_map_msi(c, ihp) (-1)
#define pci_intr_map_msix(c, vec, ihp) (-1)
#define pci_intr_string(c, ih) \
(*(c)->pc_intr_string)((c)->pc_intr_v, (ih))
#define pci_intr_establish(c, ih, l, h, a, nm) \
(*(c)->pc_intr_establish)((c)->pc_intr_v, (ih), (l), (h), (a), (nm))
#define pci_intr_disestablish(c, iv) \
(*(c)->pc_intr_disestablish)((c)->pc_intr_v, (iv))
#define pci_probe_device_hook(c, a) (0)
#define pci_min_powerstate(c, t) (PCI_PMCSR_STATE_D3)
#define pci_set_powerstate_md(c, t, s, p)
/*
* Functions used during early system configuration.
*/
pcitag_t pci_make_tag_early(int, int, int);
pcireg_t pci_conf_read_early(pcitag_t, int);
#define pci_dev_postattach(a, b)
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