Changeset 306a36d in mainline for uspace/drv/bus/usb/xhci/hc.c

Timestamp:

2017-11-19T23:43:31Z (6 years ago)

Author:

Aearsis <Hlavaty.Ondrej@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

ff14aede

Parents:

e76c0ea

Message:

xhci: configuration of endpoint 0

Moved fetching of the first 8B of device descriptor from usb2_bus to
hcd, and using it in xhci bus. Also, the value was previously read wrong
by the endpoint descriptor macros, although the value is raw in the
device descriptor - now fixed.

File:

• uspace/drv/bus/usb/xhci/hc.c (modified) (2 diffs)

uspace/drv/bus/usb/xhci/hc.c

@@ -651 +651 @@
 }
 
-// TODO: This currently assumes the device is attached to rh directly
-//      -> calculate route string
 int hc_address_device(xhci_hc_t *hc, xhci_device_t *dev, xhci_endpoint_t *ep0)
 {
@@ -767 +765 @@
 }
 
+int hc_update_endpoint(xhci_hc_t *hc, uint32_t slot_id, uint8_t ep_idx, xhci_ep_ctx_t *ep_ctx)
+{
+        dma_buffer_t ictx_dma_buf;
+        const int err = dma_buffer_alloc(&ictx_dma_buf, sizeof(xhci_input_ctx_t));
+        if (err)
+                return err;
+
+        xhci_input_ctx_t *ictx = ictx_dma_buf.virt;
+        memset(ictx, 0, sizeof(xhci_input_ctx_t));
+
+        XHCI_INPUT_CTRL_CTX_ADD_SET(ictx->ctrl_ctx, ep_idx + 1);
+        memcpy(&ictx->endpoint_ctx[ep_idx], ep_ctx, sizeof(xhci_ep_ctx_t));
+
+        return xhci_cmd_sync_inline(hc, EVALUATE_CONTEXT, .slot_id = slot_id, .input_ctx = ictx_dma_buf);
+}
+
 /**
  * @}