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usb: gadget: f_hid add super speed support 

Add super speed descriptors to f_hid.

Signed-off-by: Janusz Dziedzic <januszx.dziedzic@linux.intel.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
hifive-unleashed-5.1
Janusz Dziedzic 2016-11-03 10:27:15 +01:00 committed by Felipe Balbi
parent dc9ef58884
commit dbf499cf72
1 changed files with 66 additions and 1 deletions
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67
drivers/usb/gadget/function/f_hid.c
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@ -98,6 +98,60 @@ static struct hid_descriptor hidg_desc = {
/*.desc[0].wDescriptorLenght = DYNAMIC */
};
/* Super-Speed Support */
static struct usb_endpoint_descriptor hidg_ss_in_ep_desc = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_IN,
.bmAttributes = USB_ENDPOINT_XFER_INT,
/*.wMaxPacketSize = DYNAMIC */
.bInterval = 4, /* FIXME: Add this field in the
* HID gadget configuration?
* (struct hidg_func_descriptor)
*/
};
static struct usb_ss_ep_comp_descriptor hidg_ss_in_comp_desc = {
.bLength = sizeof(hidg_ss_in_comp_desc),
.bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
/* .bMaxBurst = 0, */
/* .bmAttributes = 0, */
/* .wBytesPerInterval = DYNAMIC */
};
static struct usb_endpoint_descriptor hidg_ss_out_ep_desc = {
.bLength = USB_DT_ENDPOINT_SIZE,
.bDescriptorType = USB_DT_ENDPOINT,
.bEndpointAddress = USB_DIR_OUT,
.bmAttributes = USB_ENDPOINT_XFER_INT,
/*.wMaxPacketSize = DYNAMIC */
.bInterval = 4, /* FIXME: Add this field in the
* HID gadget configuration?
* (struct hidg_func_descriptor)
*/
};
static struct usb_ss_ep_comp_descriptor hidg_ss_out_comp_desc = {
.bLength = sizeof(hidg_ss_out_comp_desc),
.bDescriptorType = USB_DT_SS_ENDPOINT_COMP,
/* .bMaxBurst = 0, */
/* .bmAttributes = 0, */
/* .wBytesPerInterval = DYNAMIC */
};
static struct usb_descriptor_header *hidg_ss_descriptors[] = {
(struct usb_descriptor_header *)&hidg_interface_desc,
(struct usb_descriptor_header *)&hidg_desc,
(struct usb_descriptor_header *)&hidg_ss_in_ep_desc,
(struct usb_descriptor_header *)&hidg_ss_in_comp_desc,
(struct usb_descriptor_header *)&hidg_ss_out_ep_desc,
(struct usb_descriptor_header *)&hidg_ss_out_comp_desc,
NULL,
};
/* High-Speed Support */
static struct usb_endpoint_descriptor hidg_hs_in_ep_desc = {
@ -624,8 +678,14 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
/* set descriptor dynamic values */
hidg_interface_desc.bInterfaceSubClass = hidg->bInterfaceSubClass;
hidg_interface_desc.bInterfaceProtocol = hidg->bInterfaceProtocol;
hidg_ss_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_ss_in_comp_desc.wBytesPerInterval =
cpu_to_le16(hidg->report_length);
hidg_hs_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_fs_in_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_ss_out_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_ss_out_comp_desc.wBytesPerInterval =
cpu_to_le16(hidg->report_length);
hidg_hs_out_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
hidg_fs_out_ep_desc.wMaxPacketSize = cpu_to_le16(hidg->report_length);
/*
@ -641,8 +701,13 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
hidg_hs_out_ep_desc.bEndpointAddress =
hidg_fs_out_ep_desc.bEndpointAddress;
hidg_ss_in_ep_desc.bEndpointAddress =
hidg_fs_in_ep_desc.bEndpointAddress;
hidg_ss_out_ep_desc.bEndpointAddress =
hidg_fs_out_ep_desc.bEndpointAddress;
status = usb_assign_descriptors(f, hidg_fs_descriptors,
hidg_hs_descriptors, NULL, NULL);
hidg_hs_descriptors, hidg_ss_descriptors, NULL);
if (status)
goto fail;