add the bare minimum SS endpoint descriptors for
f_eem function driver.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/gadget/f_eem.c | 66 ++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 66 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 95dd466..913ac5e 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -46,6 +46,7 @@ struct f_eem {
struct eem_ep_descs fs;
struct eem_ep_descs hs;
+ struct eem_ep_descs ss;
};
static inline struct f_eem *func_to_eem(struct usb_function *f)
@@ -123,6 +124,54 @@ static struct usb_descriptor_header *eem_hs_function[] __initdata = {
NULL,
};
+/* super speed support: */
+
+static struct usb_endpoint_descriptor eem_ss_in_desc __initdata = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_IN,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor eem_ss_in_comp_desc __initdata = {
+ .bLength = USB_DT_SS_EP_COMP_SIZE,
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ .bMaxBurst = 0,
+ .bmAttributes = 0,
+ .wBytesPerInterval = 0,
+};
+
+static struct usb_endpoint_descriptor eem_ss_out_desc __initdata = {
+ .bLength = USB_DT_ENDPOINT_SIZE,
+ .bDescriptorType = USB_DT_ENDPOINT,
+
+ .bEndpointAddress = USB_DIR_OUT,
+ .bmAttributes = USB_ENDPOINT_XFER_BULK,
+ .wMaxPacketSize = cpu_to_le16(1024),
+};
+
+static struct usb_ss_ep_comp_descriptor eem_ss_out_comp_desc __initdata = {
+ .bLength = USB_DT_SS_EP_COMP_SIZE,
+ .bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
+
+ .bMaxBurst = 0,
+ .bmAttributes = 0,
+ .wBytesPerInterval = 0,
+};
+
+static struct usb_descriptor_header *eem_ss_function[] __initdata = {
+ /* CDC EEM control descriptors */
+ (struct usb_descriptor_header *) &eem_intf,
+ (struct usb_descriptor_header *) &eem_ss_in_desc,
+ (struct usb_descriptor_header *) &eem_ss_in_comp_desc,
+ (struct usb_descriptor_header *) &eem_ss_out_desc,
+ (struct usb_descriptor_header *) &eem_ss_out_comp_desc,
+ NULL,
+};
+
/* string descriptors: */
static struct usb_string eem_string_defs[] = {
@@ -279,6 +328,23 @@ eem_bind(struct usb_configuration *c, struct usb_function *f)
f->hs_descriptors, &eem_hs_out_desc);
}
+ if (gadget_is_superspeed(c->cdev->gadget)) {
+ eem_ss_in_desc.bEndpointAddress =
+ eem_fs_in_desc.bEndpointAddress;
+ eem_ss_out_desc.bEndpointAddress =
+ eem_fs_out_desc.bEndpointAddress;
+
+ /* copy descriptors, and track endpoint copies */
+ f->ss_descriptors = usb_copy_descriptors(eem_ss_function);
+ if (!f->ss_descriptors)
+ goto fail;
+
+ eem->ss.in = usb_find_endpoint(eem_ss_function,
+ f->ss_descriptors, &eem_ss_in_desc);
+ eem->ss.out = usb_find_endpoint(eem_ss_function,
+ f->ss_descriptors, &eem_ss_out_desc);
+ }
+
DBG(cdev, "CDC Ethernet (EEM): %s speed IN/%s OUT/%s\n",
gadget_is_dualspeed(c->cdev->gadget) ? "dual" : "full",
eem->port.in_ep->name, eem->port.out_ep->name);
--
1.7.4.rc2
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