/** * dwc3_event_buffers_setup - setup our allocated event buffers * @dwc: pointer to our controller context structure * * Returns 0 on success otherwise negative errno. */ static int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; int n; for (n = 0; n < dwc->num_event_buffers; n++) { evt = dwc->ev_buffs[n]; dwc3_trace(trace_dwc3_core, "Event buf %p dma %08llx length %d\n", evt->buf, (unsigned long long) evt->dma, evt->length); evt->lpos = 0; dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), lower_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), upper_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), DWC3_GEVNTSIZ_SIZE(evt->length)); dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(n), 0); } return 0; }
static void dwc3_event_buffers_cleanup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; evt = dwc->ev_buf; evt->lpos = 0; dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(0), 0); dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), 0); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_INTMASK | DWC3_GEVNTSIZ_SIZE(0)); dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); }
/** * dwc3_event_buffers_setup - setup our allocated event buffers * @dwc: pointer to our controller context structure * * Returns 0 on success otherwise negative errno. */ static int dwc3_event_buffers_setup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; evt = dwc->ev_buf; evt->lpos = 0; dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(0), lower_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(0), upper_32_bits(evt->dma)); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(0), DWC3_GEVNTSIZ_SIZE(evt->length)); dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(0), 0); return 0; }
static void dwc3_event_buffers_cleanup(struct dwc3 *dwc) { struct dwc3_event_buffer *evt; int n; for (n = 0; n < dwc->num_event_buffers; n++) { evt = dwc->ev_buffs[n]; evt->lpos = 0; dwc3_writel(dwc->regs, DWC3_GEVNTADRLO(n), 0); dwc3_writel(dwc->regs, DWC3_GEVNTADRHI(n), 0); dwc3_writel(dwc->regs, DWC3_GEVNTSIZ(n), DWC3_GEVNTSIZ_INTMASK | DWC3_GEVNTSIZ_SIZE(0)); dwc3_writel(dwc->regs, DWC3_GEVNTCOUNT(n), 0); } }