]> git.sur5r.net Git - u-boot/blobdiff - drivers/usb/host/xhci.c
Merge branch 'master' of git://git.denx.de/u-boot-usb
[u-boot] / drivers / usb / host / xhci.c
index 5d1fde30e344a4e96eca5db5164a7a02cfae3bc3..cb8a04b793e692fbf4a8e5edf986ff498bf95ae9 100644 (file)
@@ -21,6 +21,7 @@
  */
 
 #include <common.h>
+#include <dm.h>
 #include <asm/byteorder.h>
 #include <usb.h>
 #include <malloc.h>
@@ -108,11 +109,24 @@ static struct descriptor {
        },
 };
 
+#ifndef CONFIG_DM_USB
 static struct xhci_ctrl xhcic[CONFIG_USB_MAX_CONTROLLER_COUNT];
+#endif
 
 struct xhci_ctrl *xhci_get_ctrl(struct usb_device *udev)
 {
+#ifdef CONFIG_DM_USB
+       struct udevice *dev;
+
+       /* Find the USB controller */
+       for (dev = udev->dev;
+            device_get_uclass_id(dev) != UCLASS_USB;
+            dev = dev->parent)
+               ;
+       return dev_get_priv(dev);
+#else
        return udev->controller;
+#endif
 }
 
 /**
@@ -185,7 +199,7 @@ int xhci_reset(struct xhci_hcor *hcor)
        int ret;
 
        /* Halting the Host first */
-       debug("// Halt the HC\n");
+       debug("// Halt the HC: %p\n", hcor);
        state = xhci_readl(&hcor->or_usbsts) & STS_HALT;
        if (!state) {
                cmd = xhci_readl(&hcor->or_usbcmd);
@@ -467,7 +481,7 @@ static int xhci_address_device(struct usb_device *udev, int root_portnr)
  * @param udev pointer to the Device Data Structure
  * @return Returns 0 on succes else return error code on failure
  */
-int usb_alloc_device(struct usb_device *udev)
+int _xhci_alloc_device(struct usb_device *udev)
 {
        struct xhci_ctrl *ctrl = xhci_get_ctrl(udev);
        union xhci_trb *event;
@@ -505,6 +519,13 @@ int usb_alloc_device(struct usb_device *udev)
        return 0;
 }
 
+#ifndef CONFIG_DM_USB
+int usb_alloc_device(struct usb_device *udev)
+{
+       return _xhci_alloc_device(udev);
+}
+#endif
+
 /*
  * Full speed devices may have a max packet size greater than 8 bytes, but the
  * USB core doesn't know that until it reads the first 8 bytes of the
@@ -683,7 +704,7 @@ static int xhci_submit_root(struct usb_device *udev, unsigned long pipe,
                                srclen = 4;
                                break;
                        case 1: /* Vendor String  */
-                               srcptr = "\16\3u\0-\0b\0o\0o\0t\0";
+                               srcptr = "\16\3U\0-\0B\0o\0o\0t\0";
                                srclen = 14;
                                break;
                        case 2: /* Product Name */
@@ -864,9 +885,8 @@ unknown:
  * @param interval     interval of the interrupt
  * @return 0
  */
-int
-submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
-                                               int length, int interval)
+static int _xhci_submit_int_msg(struct usb_device *udev, unsigned long pipe,
+                               void *buffer, int length, int interval)
 {
        /*
         * TODO: Not addressing any interrupt type transfer requests
@@ -884,9 +904,8 @@ submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
  * @param length       length of the buffer
  * @return returns 0 if successful else -1 on failure
  */
-int
-submit_bulk_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
-                                                               int length)
+static int _xhci_submit_bulk_msg(struct usb_device *udev, unsigned long pipe,
+                                void *buffer, int length)
 {
        if (usb_pipetype(pipe) != PIPE_BULK) {
                printf("non-bulk pipe (type=%lu)", usb_pipetype(pipe));
@@ -922,10 +941,12 @@ static int _xhci_submit_control_msg(struct usb_device *udev, unsigned long pipe,
        if (usb_pipedevice(pipe) == ctrl->rootdev)
                return xhci_submit_root(udev, pipe, buffer, setup);
 
-       if (setup->request == USB_REQ_SET_ADDRESS)
+       if (setup->request == USB_REQ_SET_ADDRESS &&
+          (setup->requesttype & USB_TYPE_MASK) == USB_TYPE_STANDARD)
                return xhci_address_device(udev, root_portnr);
 
-       if (setup->request == USB_REQ_SET_CONFIGURATION) {
+       if (setup->request == USB_REQ_SET_CONFIGURATION &&
+          (setup->requesttype & USB_TYPE_MASK) == USB_TYPE_STANDARD) {
                ret = xhci_set_configuration(udev);
                if (ret) {
                        puts("Failed to configure xHCI endpoint\n");
@@ -1005,6 +1026,7 @@ static int xhci_lowlevel_stop(struct xhci_ctrl *ctrl)
        return 0;
 }
 
+#ifndef CONFIG_DM_USB
 int submit_control_msg(struct usb_device *udev, unsigned long pipe,
                       void *buffer, int length, struct devrequest *setup)
 {
@@ -1018,6 +1040,18 @@ int submit_control_msg(struct usb_device *udev, unsigned long pipe,
                                        hop->portnr);
 }
 
+int submit_bulk_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
+                   int length)
+{
+       return _xhci_submit_bulk_msg(udev, pipe, buffer, length);
+}
+
+int submit_int_msg(struct usb_device *udev, unsigned long pipe, void *buffer,
+                  int length, int interval)
+{
+       return _xhci_submit_int_msg(udev, pipe, buffer, length, interval);
+}
+
 /**
  * Intialises the XHCI host controller
  * and allocates the necessary data structures
@@ -1032,6 +1066,8 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
        struct xhci_ctrl *ctrl;
        int ret;
 
+       *controller = NULL;
+
        if (xhci_hcd_init(index, &hccr, (struct xhci_hcor **)&hcor) != 0)
                return -ENODEV;
 
@@ -1045,7 +1081,12 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller)
 
        ret = xhci_lowlevel_init(ctrl);
 
-       *controller = &xhcic[index];
+       if (ret) {
+               ctrl->hccr = NULL;
+               ctrl->hcor = NULL;
+       } else {
+               *controller = &xhcic[index];
+       }
 
        return ret;
 }
@@ -1061,9 +1102,144 @@ int usb_lowlevel_stop(int index)
 {
        struct xhci_ctrl *ctrl = (xhcic + index);
 
+       if (ctrl->hcor) {
+               xhci_lowlevel_stop(ctrl);
+               xhci_hcd_stop(index);
+               xhci_cleanup(ctrl);
+       }
+
+       return 0;
+}
+#endif /* CONFIG_DM_USB */
+
+#ifdef CONFIG_DM_USB
+/*
+static struct usb_device *get_usb_device(struct udevice *dev)
+{
+       struct usb_device *udev;
+
+       if (device_get_uclass_id(dev) == UCLASS_USB)
+               udev = dev_get_uclass_priv(dev);
+       else
+               udev = dev_get_parent_priv(dev);
+
+       return udev;
+}
+*/
+static bool is_root_hub(struct udevice *dev)
+{
+       if (device_get_uclass_id(dev->parent) != UCLASS_USB_HUB)
+               return true;
+
+       return false;
+}
+
+static int xhci_submit_control_msg(struct udevice *dev, struct usb_device *udev,
+                                  unsigned long pipe, void *buffer, int length,
+                                  struct devrequest *setup)
+{
+       struct usb_device *uhop;
+       struct udevice *hub;
+       int root_portnr = 0;
+
+       debug("%s: dev='%s', udev=%p, udev->dev='%s', portnr=%d\n", __func__,
+             dev->name, udev, udev->dev->name, udev->portnr);
+       hub = udev->dev;
+       if (device_get_uclass_id(hub) == UCLASS_USB_HUB) {
+               /* Figure out our port number on the root hub */
+               if (is_root_hub(hub)) {
+                       root_portnr = udev->portnr;
+               } else {
+                       while (!is_root_hub(hub->parent))
+                               hub = hub->parent;
+                       uhop = dev_get_parent_priv(hub);
+                       root_portnr = uhop->portnr;
+               }
+       }
+/*
+       struct usb_device *hop = udev;
+
+       if (hop->parent)
+               while (hop->parent->parent)
+                       hop = hop->parent;
+*/
+       return _xhci_submit_control_msg(udev, pipe, buffer, length, setup,
+                                       root_portnr);
+}
+
+static int xhci_submit_bulk_msg(struct udevice *dev, struct usb_device *udev,
+                               unsigned long pipe, void *buffer, int length)
+{
+       debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+       return _xhci_submit_bulk_msg(udev, pipe, buffer, length);
+}
+
+static int xhci_submit_int_msg(struct udevice *dev, struct usb_device *udev,
+                              unsigned long pipe, void *buffer, int length,
+                              int interval)
+{
+       debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+       return _xhci_submit_int_msg(udev, pipe, buffer, length, interval);
+}
+
+static int xhci_alloc_device(struct udevice *dev, struct usb_device *udev)
+{
+       debug("%s: dev='%s', udev=%p\n", __func__, dev->name, udev);
+       return _xhci_alloc_device(udev);
+}
+
+int xhci_register(struct udevice *dev, struct xhci_hccr *hccr,
+                 struct xhci_hcor *hcor)
+{
+       struct xhci_ctrl *ctrl = dev_get_priv(dev);
+       struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
+       int ret;
+
+       debug("%s: dev='%s', ctrl=%p, hccr=%p, hcor=%p\n", __func__, dev->name,
+             ctrl, hccr, hcor);
+
+       ctrl->dev = dev;
+
+       /*
+        * XHCI needs to issue a Address device command to setup
+        * proper device context structures, before it can interact
+        * with the device. So a get_descriptor will fail before any
+        * of that is done for XHCI unlike EHCI.
+        */
+       priv->desc_before_addr = false;
+
+       ret = xhci_reset(hcor);
+       if (ret)
+               goto err;
+
+       ctrl->hccr = hccr;
+       ctrl->hcor = hcor;
+       ret = xhci_lowlevel_init(ctrl);
+       if (ret)
+               goto err;
+
+       return 0;
+err:
+       free(ctrl);
+       debug("%s: failed, ret=%d\n", __func__, ret);
+       return ret;
+}
+
+int xhci_deregister(struct udevice *dev)
+{
+       struct xhci_ctrl *ctrl = dev_get_priv(dev);
+
        xhci_lowlevel_stop(ctrl);
-       xhci_hcd_stop(index);
        xhci_cleanup(ctrl);
 
        return 0;
 }
+
+struct dm_usb_ops xhci_usb_ops = {
+       .control = xhci_submit_control_msg,
+       .bulk = xhci_submit_bulk_msg,
+       .interrupt = xhci_submit_int_msg,
+       .alloc_device = xhci_alloc_device,
+};
+
+#endif