On Fri, Jan 23, 2015 at 02:39:01PM +0800, Macpaul Lin wrote:
> This patch add the definitions for OTG Support Rev 2.0.
> The modification is derived from Pavankumar and Vijayavardhans' previous work.
>
> Signed-off-by: Macpaul Lin <macpaul@xxxxxxxxx>
> Cc: Pavankumar Kondeti <pkondeti@xxxxxxxxxxxxxx>
> Cc: Vijayavardhan Vennapusa <vvreddy@xxxxxxxxxxxxxx>
> ---
> include/uapi/linux/usb/ch9.h | 19 +++++++++++++++++--
> 1 file changed, 17 insertions(+), 2 deletions(-)
>
> diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
> index aa33fd1..9fd83d0 100644
> --- a/include/uapi/linux/usb/ch9.h
> +++ b/include/uapi/linux/usb/ch9.h
> @@ -136,6 +136,12 @@
> #define TEST_PACKET 4
> #define TEST_FORCE_EN 5
>
> +/* OTG test mode feature bits
> + * See ECN OTG2.0 spec Table 6-8
> + */
> +#define TEST_OTG_SRP_REQD 6
> +#define TEST_OTG_HNP_REQD 7
> +
> /*
> * New Feature Selectors as added by USB 3.0
> * See USB 3.0 spec Table 9-7
> @@ -155,11 +161,19 @@
> /*
> * Interface status, Figure 9-5 USB 3.0 spec
> */
> -#define USB_INTRF_STAT_FUNC_RW_CAP 1
> -#define USB_INTRF_STAT_FUNC_RW 2
> +#define USB_INTRF_STAT_FUNC_RW_CAP 1
> +#define USB_INTRF_STAT_FUNC_RW 2
>
> #define USB_ENDPOINT_HALT 0 /* IN/OUT will STALL */
>
> +/* OTG 2.0 spec 6.2 and 6.3 sections */
> +#define OTG_STATUS_SELECTOR 0xF000
> +#define HOST_REQUEST_FLAG 0
> +#define THOST_REQ_POLL 1500 /* msec (1000 - 2000) */
> +#define OTG_TTST_SUSP 70 /* msec (0 - 100) */
> +
> +#define OTG_TTST_VBUS_OFF 1
> +
> /* Bit array elements as returned by the USB_REQ_GET_STATUS request. */
> #define USB_DEV_STAT_U1_ENABLED 2 /* transition into U1 state */
> #define USB_DEV_STAT_U2_ENABLED 3 /* transition into U2 state */
> @@ -674,6 +688,7 @@ struct usb_otg_descriptor {
> __u8 bmAttributes; /* support for HNP, SRP, etc */
> } __attribute__ ((packed));
>
> +#define USB_DT_OTG_SIZE 5
> /* from usb_otg_descriptor.bmAttributes */
> #define USB_OTG_SRP (1 << 0)
> #define USB_OTG_HNP (1 << 1) /* swap host/device roles */
> --
> 2.1.0
What needs these defines? I don't see any kernel code requiring them...
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