retronetworking
/
osmo-e1-hardware
mirror of https://gerrit.osmocom.org/osmo-e1-hardware
13
0
Fork 0
Code Issues Projects Releases Wiki Activity

icE1usb fw: Process read/write device requests separately 

Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Change-Id: I9a8fb3d6712c83f59e5e4cba8e0bcbd4d4f95eee
This commit is contained in:
Sylvain Munaut 2022-10-05 12:39:21 +02:00
parent 321b1c8694
commit b722de7a2a
1 changed files with 25 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
firmware/ice40-riscv/icE1usb/usb_dev.c
View File

@ -21,13 +21,19 @@ const char *fw_build_str = BUILD_INFO;
static enum usb_fnd_resp
_usb_dev_ctrl_req(struct usb_ctrl_req *req, struct usb_xfer *xfer)
_usb_dev_ctrl_req_write(struct usb_ctrl_req *req, struct usb_xfer *xfer)
{
/* Check it's a device-wide vendor request */
if (USB_REQ_TYPE_RCPT(req) != (USB_REQ_TYPE_VENDOR | USB_REQ_RCPT_DEV))
return USB_FND_CONTINUE;
switch (req->bRequest) {
default:
return USB_FND_ERROR;
}
/* Dispatch / Handle */
return USB_FND_SUCCESS;
}
static enum usb_fnd_resp
_usb_dev_ctrl_req_read(struct usb_ctrl_req *req, struct usb_xfer *xfer)
{
switch (req->bRequest) {
case ICE1USB_DEV_GET_CAPABILITIES:
xfer->data[0] = (1 << ICE1USB_DEV_CAP_GPSDO);
@ -44,6 +50,20 @@ _usb_dev_ctrl_req(struct usb_ctrl_req *req, struct usb_xfer *xfer)
return USB_FND_SUCCESS;
}
static enum usb_fnd_resp
_usb_dev_ctrl_req(struct usb_ctrl_req *req, struct usb_xfer *xfer)
{
/* Check it's a device-wide vendor request */
if (USB_REQ_TYPE_RCPT(req) != (USB_REQ_TYPE_VENDOR | USB_REQ_RCPT_DEV))
return USB_FND_CONTINUE;
/* Read / Write dispatch */
if (USB_REQ_IS_READ(req))
return _usb_dev_ctrl_req_read(req, xfer);
else
return _usb_dev_ctrl_req_write(req, xfer);
}
static struct usb_fn_drv _dev_drv = {
.ctrl_req = _usb_dev_ctrl_req,