C++ (Cpp) bus_dmamem_mmap 예제들

예제 #1

파일: netwalker_lcd.c 프로젝트: ryo/netbsd-src

paddr_t
lcdmmap(dev_t dev, off_t offset, int size)
{
	struct imx51_ipuv3_softc *sc =
	    device_lookup_private(&ipu_cd, minor(dev));
	struct imx51_ipuv3_screen *scr = sc->active;

	return bus_dmamem_mmap(sc->dma_tag, scr->segs, scr->nsegs,
	    offset, 0, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
}

예제 #2

파일: awin_fb.c 프로젝트: krytarowski/netbsd-current-src-sys

static paddr_t
awin_fb_mmap(void *v, void *vs, off_t off, int prot)
{
	struct awin_fb_softc *sc = v;

	if (off < 0 || off >= sc->sc_dmasegs[0].ds_len)
		return -1;

	return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dmasegs, sc->sc_ndmasegs,
	    off, prot, BUS_DMA_PREFETCHABLE);
}

예제 #3

파일: tegra_genfb.c 프로젝트: yazshel/netbsd-kernel

static paddr_t
tegra_genfb_mmap(void *v, void *vs, off_t off, int prot)
{
	struct tegra_genfb_softc * const sc = v;

	if (off < 0 || off >= sc->sc_dmamap->dm_segs[0].ds_len)
		return -1;

	return bus_dmamem_mmap(sc->sc_dmat, sc->sc_dmamap->dm_segs, 1,
	    off, prot, BUS_DMA_PREFETCHABLE);
}

예제 #4

파일: s3c24x0_lcd.c 프로젝트: lacombar/netbsd-alc

paddr_t
s3c24x0_lcd_mmap(void *v, void *vs, off_t offset, int prot)
{
	struct s3c24x0_lcd_softc *sc = v;
	struct s3c24x0_lcd_screen *screen = sc->active;  /* ??? */

	if (screen == NULL)
		return -1;

	return bus_dmamem_mmap(sc->dma_tag, screen->segs, screen->nsegs,
	    offset, prot, BUS_DMA_WAITOK|BUS_DMA_COHERENT);
	return -1;
}

예제 #5

파일: yds.c 프로젝트: ryoon/netbsd-xhci

static paddr_t
yds_mappage(void *addr, void *mem, off_t off, int prot)
{
	struct yds_softc *sc;
	struct yds_dma *p;

	if (off < 0)
		return -1;
	sc = addr;
	p = yds_find_dma(sc, mem);
	if (p == NULL)
		return -1;
	return bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
	    off, prot, BUS_DMA_WAITOK);
}

예제 #6

파일: auacer.c 프로젝트: NetBsdDriverProxy/NetBsdDriverProxy

static paddr_t
auacer_mappage(void *v, void *mem, off_t off, int prot)
{
	struct auacer_softc *sc;
	struct auacer_dma *p;

	if (off < 0)
		return -1;
	sc = v;
	for (p = sc->sc_dmas; p && KERNADDR(p) != mem; p = p->next)
		continue;
	if (p == NULL)
		return -1;
	return bus_dmamem_mmap(sc->dmat, p->segs, p->nsegs,
	    off, prot, BUS_DMA_WAITOK);
}

예제 #7

파일: tft_plb.c 프로젝트: lacombar/netbsd-alc

static paddr_t
plb_tft_mmap(void *arg, void *scr, off_t offs, int prot)
{
	struct vcons_data 	*vc = arg;
	struct plb_tft_softc 	*psc = vc->cookie;
	paddr_t 		pa = -1;

#if 0 	/* XXX hack */
	if (offs < psc->psc_sc.sc_size)
		pa = bus_dmamem_mmap(psc->psc_dmat, &psc->psc_seg, 1,
		    offs, prot, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
#endif
	if (offs < psc->psc_sc.sc_size)
		pa = (paddr_t)(intptr_t)psc->psc_sc.sc_image + offs;

	return (pa);
} 

예제 #8

paddr_t
fms_mappage(void *addr, void *mem, off_t off, int prot)
{
	struct fms_softc *sc = addr;
	struct fms_dma *p;
	
	if (off < 0)
		return -1;
	
	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
		;
	if (!p)
		return -1;
	
	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot, 
			       BUS_DMA_WAITOK);
}

예제 #9

파일: pxa2x0_i2s.c 프로젝트: krytarowski/netbsd-current-src-sys

paddr_t
pxa2x0_i2s_mappage(void *hdl, void *mem, off_t off, int prot)
{
	struct pxa2x0_i2s_softc *sc = hdl;
	struct pxa2x0_i2s_dma *p;

	if (off < 0)
		return -1;

	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
		continue;
	if (p == NULL)
		return -1;

	if (off > p->size)
		return -1;

	return bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs, off, prot,
	    BUS_DMA_WAITOK);
}

예제 #10

파일: pxa2x0_i2s.c 프로젝트: repos-holder/openbsd-patches

paddr_t
pxa2x0_i2s_mappage(void *hdl, void *mem, off_t off, int prot)
{
	struct pxa2x0_i2s_softc *sc =
	    (struct pxa2x0_i2s_softc *)((struct device *)hdl + 1);
	struct pxa2x0_i2s_dma *p;

	if (off < 0)
		return -1;

	for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
		;
	if (!p)
		return -1;

	if (off > p->size)
		return -1;

	return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
	    BUS_DMA_WAITOK);
}

예제 #11

paddr_t
vs_mappage(void *addr, void *mem, off_t off, int prot)
{
	struct vs_softc *sc;
	struct vs_dma *p;

	if (off < 0)
		return -1;
	sc = addr;
	for (p = sc->sc_dmas; p != NULL && KVADDR(p) != mem;
	     p = p->vd_next)
		continue;
	if (p == NULL) {
		printf("%s: mappage: bad addr %p\n",
		    device_xname(sc->sc_dev), start);
		return -1;
	}

	return bus_dmamem_mmap(sc->sc_dmat, p->vd_segs, p->vd_nsegs,
			       off, prot, BUS_DMA_WAITOK);
}

예제 #12

파일: cs428x.c 프로젝트: MarginC/kame

paddr_t
cs428x_mappage(void *addr, void *mem, off_t off, int prot)
{
	struct cs428x_softc *sc;
	struct cs428x_dma *p;

	sc = addr;

	if (off < 0)
		return -1;

	for (p = sc->sc_dmas; p && BUFADDR(p) != mem; p = p->next)
		;

	if (p == NULL) {
		DPRINTF(("cs428x_mappage: bad buffer address\n"));
		return -1;
	}

	return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
	    off, prot, BUS_DMA_WAITOK));
}