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DWC3 scratch buffer functions

This commit is contained in:
xj 2024-09-12 04:45:05 -07:00
parent 5769e98844
commit e6f6d3e1dd
2 changed files with 8 additions and 1 deletions
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7
Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.c
View File

@ -108,6 +108,11 @@ int dwc3_alloc_scratch_buffers(struct dwc3 *dwc){
return 0;
len = dwc->nr_scratch * DWC3_SCRATCHBUF_SIZE;
vir_addr = USB_MEM_VIRADDR_ALLOC;
phy_addr = 0;
dwc->scratchbuf = (void *)vir_addr;
ret = naive_mmap(&vir_addr, &phy_addr, len, true);
if(ret != 0){
@ -115,7 +120,7 @@ int dwc3_alloc_scratch_buffers(struct dwc3 *dwc){
ret = -ENOMEM;
}
dwc->scratchbuf = (void *)vir_addr;
dwc->scratch_addr = phy_addr;
return ret;

2
Ubiquitous/XiZi_AIoT/services/drivers/usb/components/port/dwc3/dwc3.h
View File

@ -896,6 +896,8 @@ int dwc3_setup_scratch_buffers(struct dwc3 *dwc);
int dwc3_alloc_event_buffers(struct dwc3 *dwc, uint32_t length);
struct dwc3_event_buffer *dwc3_alloc_one_event_buffer(struct dwc3 *dwc, unsigned length);
void dwc3_free_event_buffers(struct dwc3 *dwc);
int dwc3_event_buffers_setup(struct dwc3 *dwc);