static void davinci_musb_enable(struct musb *musb) { u32 tmp, old, val; /* workaround: setup irqs through both register sets */ tmp = (musb->epmask & DAVINCI_USB_TX_ENDPTS_MASK) << DAVINCI_USB_TXINT_SHIFT; musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp); old = tmp; tmp = (musb->epmask & (0xfffe & DAVINCI_USB_RX_ENDPTS_MASK)) << DAVINCI_USB_RXINT_SHIFT; musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp); tmp |= old; val = ~MUSB_INTR_SOF; tmp |= ((val & 0x01ff) << DAVINCI_USB_USBINT_SHIFT); musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp); if (is_dma_capable() && !dma_off) printk(KERN_WARNING "%s %s: dma not reactivated\n", __FILE__, __func__); else dma_off = 0; /* force a DRVVBUS irq so we can start polling for ID change */ musb_writel(musb->ctrl_base, DAVINCI_USB_INT_SET_REG, DAVINCI_INTR_DRVVBUS << DAVINCI_USB_USBINT_SHIFT); }
static void davinci_musb_enable(struct musb *musb) { u32 tmp, old, val; tmp = (musb->epmask & DAVINCI_USB_TX_ENDPTS_MASK) << DAVINCI_USB_TXINT_SHIFT; musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp); old = tmp; tmp = (musb->epmask & (0xfffe & DAVINCI_USB_RX_ENDPTS_MASK)) << DAVINCI_USB_RXINT_SHIFT; musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp); tmp |= old; val = ~MUSB_INTR_SOF; tmp |= ((val & 0x01ff) << DAVINCI_USB_USBINT_SHIFT); musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_SET_REG, tmp); if (is_dma_capable() && !dma_off) printk(KERN_WARNING "%s %s: dma not reactivated\n", __FILE__, __func__); else dma_off = 0; if (is_otg_enabled(musb)) musb_writel(musb->ctrl_base, DAVINCI_USB_INT_SET_REG, DAVINCI_INTR_DRVVBUS << DAVINCI_USB_USBINT_SHIFT); }
static void davinci_musb_disable(struct musb *musb) { musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_CLR_REG, DAVINCI_USB_USBINT_MASK | DAVINCI_USB_TXINT_MASK | DAVINCI_USB_RXINT_MASK); musb_writeb(musb->mregs, MUSB_DEVCTL, 0); musb_writel(musb->ctrl_base, DAVINCI_USB_EOI_REG, 0); if (is_dma_capable() && !dma_off) WARNING("dma still active\n"); }
/* * Disable the HDRC and flush interrupts */ static void davinci_musb_disable(struct musb *musb) { /* because we don't set CTRLR.UINT, "important" to: * - not read/write INTRUSB/INTRUSBE * - (except during initial setup, as workaround) * - use INTSETR/INTCLRR instead */ musb_writel(musb->ctrl_base, DAVINCI_USB_INT_MASK_CLR_REG, DAVINCI_USB_USBINT_MASK | DAVINCI_USB_TXINT_MASK | DAVINCI_USB_RXINT_MASK); musb_writeb(musb->mregs, MUSB_DEVCTL, 0); musb_writel(musb->ctrl_base, DAVINCI_USB_EOI_REG, 0); if (is_dma_capable() && !dma_off) WARNING("dma still active\n"); }