On Wed, 2021-12-08 at 18:05 +0800, Neal Liu wrote:
> Support aspeed usb vhub set feature to test mode.
>
> Signed-off-by: Neal Liu <neal_liu@xxxxxxxxxxxxxx>
Acked-by: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> ---
> drivers/usb/gadget/udc/aspeed-vhub/dev.c | 19 +++++++++++++++----
> drivers/usb/gadget/udc/aspeed-vhub/hub.c | 23 +++++++++++++++++-----
> -
> 2 files changed, 32 insertions(+), 10 deletions(-)
>
> diff --git a/drivers/usb/gadget/udc/aspeed-vhub/dev.c
> b/drivers/usb/gadget/udc/aspeed-vhub/dev.c
> index d918e8b2af3c..b0dfca43fbdc 100644
> --- a/drivers/usb/gadget/udc/aspeed-vhub/dev.c
> +++ b/drivers/usb/gadget/udc/aspeed-vhub/dev.c
> @@ -110,15 +110,26 @@ static int ast_vhub_dev_feature(struct
> ast_vhub_dev *d,
> u16 wIndex, u16 wValue,
> bool is_set)
> {
> + u32 val;
> +
> DDBG(d, "%s_FEATURE(dev val=%02x)\n",
> is_set ? "SET" : "CLEAR", wValue);
>
> - if (wValue != USB_DEVICE_REMOTE_WAKEUP)
> - return std_req_driver;
> + if (wValue == USB_DEVICE_REMOTE_WAKEUP) {
> + d->wakeup_en = is_set;
> + return std_req_complete;
> + }
>
> - d->wakeup_en = is_set;
> + if (wValue == USB_DEVICE_TEST_MODE) {
> + val = readl(d->vhub->regs + AST_VHUB_CTRL);
> + val &= ~GENMASK(10, 8);
> + val |= VHUB_CTRL_SET_TEST_MODE((wIndex >> 8) & 0x7);
> + writel(val, d->vhub->regs + AST_VHUB_CTRL);
>
> - return std_req_complete;
> + return std_req_complete;
> + }
> +
> + return std_req_driver;
> }
>
> static int ast_vhub_ep_feature(struct ast_vhub_dev *d,
> diff --git a/drivers/usb/gadget/udc/aspeed-vhub/hub.c
> b/drivers/usb/gadget/udc/aspeed-vhub/hub.c
> index 93f27a745760..65cd4e46f031 100644
> --- a/drivers/usb/gadget/udc/aspeed-vhub/hub.c
> +++ b/drivers/usb/gadget/udc/aspeed-vhub/hub.c
> @@ -212,17 +212,28 @@ static int ast_vhub_hub_dev_feature(struct
> ast_vhub_ep *ep,
> u16 wIndex, u16 wValue,
> bool is_set)
> {
> + u32 val;
> +
> EPDBG(ep, "%s_FEATURE(dev val=%02x)\n",
> is_set ? "SET" : "CLEAR", wValue);
>
> - if (wValue != USB_DEVICE_REMOTE_WAKEUP)
> - return std_req_stall;
> + if (wValue == USB_DEVICE_REMOTE_WAKEUP) {
> + ep->vhub->wakeup_en = is_set;
> + EPDBG(ep, "Hub remote wakeup %s\n",
> + is_set ? "enabled" : "disabled");
> + return std_req_complete;
> + }
>
> - ep->vhub->wakeup_en = is_set;
> - EPDBG(ep, "Hub remote wakeup %s\n",
> - is_set ? "enabled" : "disabled");
> + if (wValue == USB_DEVICE_TEST_MODE) {
> + val = readl(ep->vhub->regs + AST_VHUB_CTRL);
> + val &= ~GENMASK(10, 8);
> + val |= VHUB_CTRL_SET_TEST_MODE((wIndex >> 8) & 0x7);
> + writel(val, ep->vhub->regs + AST_VHUB_CTRL);
>
> - return std_req_complete;
> + return std_req_complete;
> + }
> +
> + return std_req_stall;
> }
>
> static int ast_vhub_hub_ep_feature(struct ast_vhub_ep *ep,
