164 lines
4.7 KiB
C
164 lines
4.7 KiB
C
/*
|
|
* Copyright (c) 2001 HAMAJIMA Katsuomi. 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/device.h>
|
|
|
|
#include <machine/bus.h>
|
|
|
|
#include <hpcmips/vr/vripif.h>
|
|
#include <hpcmips/vr/dmaaureg.h>
|
|
|
|
#ifdef VRDMAAU_DEBUG
|
|
int vrdmaau_debug = VRDMAAU_DEBUG;
|
|
#define DPRINTFN(n,x) if (vrdmaau_debug>(n)) printf x;
|
|
#else
|
|
#define DPRINTFN(n,x)
|
|
#endif
|
|
|
|
struct vrdmaau_softc {
|
|
struct device sc_dev;
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
struct vrdmaau_chipset_tag sc_chipset;
|
|
};
|
|
|
|
int vrdmaau_match(struct device *, struct cfdata *, void *);
|
|
void vrdmaau_attach(struct device *, struct device *, void *);
|
|
|
|
CFATTACH_DECL(vrdmaau, sizeof(struct vrdmaau_softc),
|
|
vrdmaau_match, vrdmaau_attach, NULL, NULL);
|
|
|
|
int vrdmaau_set_aiuin(vrdmaau_chipset_tag_t, void *);
|
|
int vrdmaau_set_aiuout(vrdmaau_chipset_tag_t, void *);
|
|
int vrdmaau_set_fir(vrdmaau_chipset_tag_t, void *);
|
|
static int vrdmaau_phy_addr(struct vrdmaau_softc *, void *, u_int32_t *);
|
|
|
|
int
|
|
vrdmaau_match(struct device *parent, struct cfdata *cf, void *aux)
|
|
{
|
|
return 2; /* 1st attach group of vrip */
|
|
}
|
|
|
|
void
|
|
vrdmaau_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct vrip_attach_args *va = aux;
|
|
struct vrdmaau_softc *sc = (void*)self;
|
|
|
|
sc->sc_iot = va->va_iot;
|
|
sc->sc_chipset.ac_sc = sc;
|
|
sc->sc_chipset.ac_set_aiuin = vrdmaau_set_aiuin;
|
|
sc->sc_chipset.ac_set_aiuout = vrdmaau_set_aiuout;
|
|
sc->sc_chipset.ac_set_fir = vrdmaau_set_fir;
|
|
|
|
if (bus_space_map(sc->sc_iot, va->va_addr, va->va_size,
|
|
0 /* no flags */, &sc->sc_ioh)) {
|
|
printf(": can't map i/o space\n");
|
|
return;
|
|
}
|
|
printf("\n");
|
|
vrip_register_dmaau(va->va_vc, &sc->sc_chipset);
|
|
}
|
|
|
|
int
|
|
vrdmaau_set_aiuin(vrdmaau_chipset_tag_t ac, void *addr)
|
|
{
|
|
struct vrdmaau_softc *sc = ac->ac_sc;
|
|
u_int32_t phy;
|
|
int err;
|
|
|
|
DPRINTFN(1, ("vrdmaau_set_aiuin: address %p\n", addr));
|
|
|
|
if ((err = vrdmaau_phy_addr(sc, addr, &phy)))
|
|
return err;
|
|
|
|
bus_space_write_2(sc->sc_iot, sc->sc_ioh, AIUIBAH_REG_W, phy >> 16);
|
|
bus_space_write_2(sc->sc_iot, sc->sc_ioh, AIUIBAL_REG_W, phy & 0xffff);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
vrdmaau_set_aiuout(vrdmaau_chipset_tag_t ac, void *addr)
|
|
{
|
|
struct vrdmaau_softc *sc = ac->ac_sc;
|
|
u_int32_t phy;
|
|
int err;
|
|
|
|
DPRINTFN(1, ("vrdmaau_set_aiuout: address %p\n", addr));
|
|
|
|
if ((err = vrdmaau_phy_addr(sc, addr, &phy)))
|
|
return err;
|
|
|
|
bus_space_write_2(sc->sc_iot, sc->sc_ioh, AIUOBAH_REG_W, phy >> 16);
|
|
bus_space_write_2(sc->sc_iot, sc->sc_ioh, AIUOBAL_REG_W, phy & 0xffff);
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
vrdmaau_set_fir(vrdmaau_chipset_tag_t ac, void *addr)
|
|
{
|
|
struct vrdmaau_softc *sc = ac->ac_sc;
|
|
u_int32_t phy;
|
|
int err;
|
|
|
|
DPRINTFN(1, ("vrdmaau_set_fir: address %p\n", addr));
|
|
|
|
if ((err = vrdmaau_phy_addr(sc, addr, &phy)))
|
|
return err;
|
|
|
|
bus_space_write_2(sc->sc_iot, sc->sc_ioh, FIRBAH_REG_W, phy >> 16);
|
|
bus_space_write_2(sc->sc_iot, sc->sc_ioh, FIRBAL_REG_W, phy & 0xffff);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
vrdmaau_phy_addr(struct vrdmaau_softc *sc, void *addr, u_int32_t *phy)
|
|
{
|
|
DPRINTFN(1, ("vrdmaau_phy_addr\n"));
|
|
|
|
if (addr >= (void *)MIPS_KSEG0_START &&
|
|
addr < (void *)MIPS_KSEG1_START)
|
|
*phy = MIPS_KSEG0_TO_PHYS(addr);
|
|
else if (addr >= (void *)MIPS_KSEG1_START &&
|
|
addr < (void *)MIPS_KSEG2_START)
|
|
*phy = MIPS_KSEG1_TO_PHYS(addr);
|
|
else {
|
|
DPRINTFN(0, ("vrdmaau_map_addr: invalid address %p\n", addr));
|
|
return EFAULT;
|
|
}
|
|
|
|
#ifdef DIAGNOSTIC
|
|
if ((*phy & (VRDMAAU_ALIGNMENT - 1)) ||
|
|
*phy >= VRDMAAU_BOUNCE_THRESHOLD ) {
|
|
printf("%s: vrdmaau_phy_addr: invalid address %p\n",
|
|
sc->sc_dev.dv_xname, addr);
|
|
return EINVAL;
|
|
}
|
|
#endif
|
|
return 0;
|
|
}
|