/**
* 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);
}
}
