Changeset d7869d7e in mainline for uspace/drv/bus/usb/xhci/endpoint.c

Timestamp:

2017-10-14T17:21:26Z (7 years ago)

Author:

Petr Manek <petr.manek@…>

Branches:

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

Children:

867b375

Parents:

2297fab

Message:

Reading assigned USB addresses, issuing Configure Endpoint commands to devices if needed.

File:

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

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

@@ -39 +39 @@
 
 #include "bus.h"
+#include "commands.h"
 #include "endpoint.h"
 
@@ -114 +115 @@
 }
 
+int xhci_device_configure(xhci_device_t *dev, xhci_hc_t *hc)
+{
+        int err;
+
+        // Prepare input context.
+        xhci_input_ctx_t *ictx = malloc(sizeof(xhci_input_ctx_t));
+        if (!ictx) {
+                return ENOMEM;
+        }
+
+        memset(ictx, 0, sizeof(xhci_input_ctx_t));
+
+        // Quoting sec. 4.6.6: A1, D0, D1 are down, A0 is up.
+        XHCI_INPUT_CTRL_CTX_ADD_CLEAR(ictx->ctrl_ctx, 1);
+        XHCI_INPUT_CTRL_CTX_DROP_CLEAR(ictx->ctrl_ctx, 0);
+        XHCI_INPUT_CTRL_CTX_DROP_CLEAR(ictx->ctrl_ctx, 1);
+        XHCI_INPUT_CTRL_CTX_ADD_SET(ictx->ctrl_ctx, 0);
+
+        // TODO: Set slot context and other flags. (probably forgot a lot of 'em)
+
+        // Issue configure endpoint command (sec 4.3.5).
+        xhci_cmd_t cmd;
+        xhci_cmd_init(&cmd);
+
+        cmd.slot_id = dev->slot_id;
+        xhci_send_configure_endpoint_command(hc, &cmd, ictx);
+        if ((err = xhci_cmd_wait(&cmd, 100000)) != EOK)
+                goto err_cmd;
+
+        xhci_cmd_fini(&cmd);
+        return EOK;
+
+err_cmd:
+        free(ictx);
+        return err;
+}
+
 /**
  * @}