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ohci: Add control/bulk out support (WIP)

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This commit is contained in:
Tormod Volden
2026-08-18 15:50:31 +02:00
committed by Lionel Debroux
parent 89c12d7143
commit fa4151541a
1 changed files with 25 additions and 0 deletions
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system/ohci.c
+25
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@@ -389,6 +389,27 @@ static bool get_data_request(const usb_hcd_t *hcd, const usb_ep_t *ep, const usb
return wait_for_ohci_done(ws, 3);
}
static bool out_data_request(const usb_hcd_t *hcd, const usb_ep_t *ep, const usb_setup_pkt_t *setup_pkt,
const void *buffer, size_t length)
{
workspace_t *ws = (workspace_t *)hcd->ws;
if (setup_pkt) {
build_ohci_td(&ws->td[0], OHCI_TD_DP_SETUP | OHCI_TD_DT_USE_TD | OHCI_TD_DT_0 | OHCI_TD_DI_NO_INT, setup_pkt, sizeof(usb_setup_pkt_t));
build_ohci_td(&ws->td[1], OHCI_TD_DP_OUT | OHCI_TD_DT_USE_TD | OHCI_TD_DT_1 | OHCI_TD_DI_NO_INT, buffer, length);
build_ohci_td(&ws->td[2], OHCI_TD_DP_IN | OHCI_TD_DT_USE_TD | OHCI_TD_DT_1 | OHCI_TD_DI_NO_DLY, 0, 0);
build_ohci_ed(&ws->ed[0], ohci_ed_control(ep), &ws->td[0], &ws->td[3]);
write32(&ws->op_regs->command_status, OHCI_CMD_CLF);
return wait_for_ohci_done(ws, 3);
} else {
static int bulk_dt;
uint32_t dt = (bulk_dt & 1) ? OHCI_TD_DT_1 : OHCI_TD_DT_0;
build_ohci_td(&ws->td[1], OHCI_TD_DP_OUT | OHCI_TD_DT_USE_TD | dt | OHCI_TD_DI_NO_DLY, buffer, length);
write32(&ws->op_regs->command_status, OHCI_CMD_CLF);
return wait_for_ohci_done(ws, 1);
}
}
static void poll_keyboards(const usb_hcd_t *hcd)
{
workspace_t *ws = (workspace_t *)hcd->ws;
@@ -429,6 +450,7 @@ static const hcd_methods_t methods = {
.configure_kbd_ep = NULL,
.setup_request = setup_request,
.get_data_request = get_data_request,
.out_data_request = out_data_request,
.poll_keyboards = poll_keyboards
};
@@ -609,6 +631,9 @@ bool ohci_probe(uintptr_t base_addr, usb_hcd_t *hcd)
save_ep(kbd_idx, kbd);
if (!IS_EP_INT(kbd))
continue;
ohci_ed_t *kbd_ed = &ws->ed[1 + kbd_idx];
ohci_td_t *kbd_td = &ws->td[3 + kbd_idx];