C++ (Cpp) pxa2xx_dma_bs_set Examples

Example #1

File: pxa2xx_lcd.c Project: 01org/qemu-lite

/* Load new Frame Descriptors from DMA */
static void pxa2xx_descriptor_load(PXA2xxLCDState *s)
{
    PXAFrameDescriptor desc;
    hwaddr descptr;
    int i;

    for (i = 0; i < PXA_LCDDMA_CHANS; i ++) {
        s->dma_ch[i].source = 0;

        if (!s->dma_ch[i].up)
            continue;

        if (s->dma_ch[i].branch & FBR_BRA) {
            descptr = s->dma_ch[i].branch & FBR_SRCADDR;
            if (s->dma_ch[i].branch & FBR_BINT)
                pxa2xx_dma_bs_set(s, i);
            s->dma_ch[i].branch &= ~FBR_BRA;
        } else
            descptr = s->dma_ch[i].descriptor;

        if (!((descptr >= PXA2XX_SDRAM_BASE && descptr +
                 sizeof(desc) <= PXA2XX_SDRAM_BASE + ram_size) ||
                (descptr >= PXA2XX_INTERNAL_BASE && descptr + sizeof(desc) <=
                 PXA2XX_INTERNAL_BASE + PXA2XX_INTERNAL_SIZE))) {
            continue;
        }

        cpu_physical_memory_read(descptr, &desc, sizeof(desc));
        s->dma_ch[i].descriptor = le32_to_cpu(desc.fdaddr);
        s->dma_ch[i].source = le32_to_cpu(desc.fsaddr);
        s->dma_ch[i].id = le32_to_cpu(desc.fidr);
        s->dma_ch[i].command = le32_to_cpu(desc.ldcmd);
    }
}

Example #2

File: pxa2xx_lcd.c Project: MatzeB/qemu-fixes

/* Load new Frame Descriptors from DMA */
static void pxa2xx_descriptor_load(PXA2xxLCDState *s)
{
    PXAFrameDescriptor desc;
    target_phys_addr_t descptr;
    int i;

    for (i = 0; i < PXA_LCDDMA_CHANS; i ++) {
        s->dma_ch[i].source = 0;

        if (!s->dma_ch[i].up)
            continue;

        if (s->dma_ch[i].branch & FBR_BRA) {
            descptr = s->dma_ch[i].branch & FBR_SRCADDR;
            if (s->dma_ch[i].branch & FBR_BINT)
                pxa2xx_dma_bs_set(s, i);
            s->dma_ch[i].branch &= ~FBR_BRA;
        } else
            descptr = s->dma_ch[i].descriptor;

        if (!(descptr >= PXA2XX_SDRAM_BASE && descptr +
                    sizeof(desc) <= PXA2XX_SDRAM_BASE + ram_size))
            continue;

        cpu_physical_memory_read(descptr, (void *)&desc, sizeof(desc));
        s->dma_ch[i].descriptor = tswap32(desc.fdaddr);
        s->dma_ch[i].source = tswap32(desc.fsaddr);
        s->dma_ch[i].id = tswap32(desc.fidr);
        s->dma_ch[i].command = tswap32(desc.ldcmd);
    }
}