On Mon, Aug 20, 2018 at 06:31:24PM +0800, Haojian Zhuang wrote:
> The protocol defines the callbacks that could be implemented in
> platform driver. DwUsb device driver needs these callbacks to
> implement USB device functionality.
>
> Cc: Leif Lindholm <[email protected]>
> Cc: Ard Biesheuvel <[email protected]>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Haojian Zhuang <[email protected]>
> ---
> EmbeddedPkg/Include/Protocol/DwUsb.h | 81 ++++++++++++++++++++
> 1 file changed, 81 insertions(+)
>
> diff --git a/EmbeddedPkg/Include/Protocol/DwUsb.h
> b/EmbeddedPkg/Include/Protocol/DwUsb.h
> new file mode 100644
> index 000000000000..b9fb776f9258
> --- /dev/null
> +++ b/EmbeddedPkg/Include/Protocol/DwUsb.h
> @@ -0,0 +1,81 @@
> +/** @file
> +
> + Copyright (c) 2018, Linaro. All rights reserved.
> +
> + This program and the accompanying materials are licensed and made available
> + under the terms and conditions of the BSD License which accompanies this
> + distribution. The full text of the license may be found at
> + http://opensource.org/licenses/bsd-license.php
> +
> + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
> IMPLIED.
> +
> +**/
> +
> +#ifndef __DW_USB_H__
> +#define __DW_USB_H__
Can you expand all instances of public interfaces to DESIGNWARE?
> +
> +//
> +// Protocol GUID
> +//
> +#define DW_USB_PROTOCOL_GUID { 0x109fa264, 0x7811, 0x4862, { 0xa9, 0x73,
> 0x4a, 0xb2, 0xef, 0x2e, 0xe2, 0xff }}
> +
> +//
> +// Protocol interface structure
> +//
> +typedef struct _DW_USB_PROTOCOL DW_USB_PROTOCOL;
> +
> +#define USB_HOST_MODE 0
> +#define USB_DEVICE_MODE 1
> +#define USB_CABLE_NOT_ATTACHED 2
And add a DESIGNWARE_ prefix to these?
> +
> +#define LANG_LENGTH 8
> +#define MANU_FACTURER_STRING_LENGTH 32
MANUFACTURER.
Why the hardcoded string lengths?
Are they mandated somewhere?
> +#define PRODUCT_STRING_LENGTH 32
> +#define SERIAL_STRING_LENGTH 17
> +
> +typedef
> +EFI_STATUS
> +(EFIAPI *DW_USB_GET_LANG) (
> + OUT CHAR16 *Lang,
> + OUT UINT8 *Length
> + );
> +
> +typedef
> +EFI_STATUS
> +(EFIAPI *DW_USB_GET_MANU_FACTURER) (
> + OUT CHAR16 *ManuFacturer,
ManuFacturer ->
Manufacturer.
> + OUT UINT8 *Length
> + );
> +
> +typedef
> +EFI_STATUS
> +(EFIAPI *DW_USB_GET_PRODUCT) (
> + OUT CHAR16 *Product,
> + OUT UINT8 *Length
> + );
> +
> +typedef
> +EFI_STATUS
> +(EFIAPI *DW_USB_GET_SERIAL_NO) (
SERIAL_NUMBER
> + OUT CHAR16 *SerialNo,
SerialNumber.
> + OUT UINT8 *Length
> + );
> +
> +typedef
> +EFI_STATUS
> +(EFIAPI *DW_USB_PHY_INIT) (
> + IN UINT8 Mode
> + );
> +
> +struct _DW_USB_PROTOCOL {
> + DW_USB_GET_LANG GetLang;
> + DW_USB_GET_MANU_FACTURER GetManuFacturer;
GetManuFacturer ->
GetManufacturer.
> + DW_USB_GET_PRODUCT GetProduct;
> + DW_USB_GET_SERIAL_NO GetSerialNo;
> + DW_USB_PHY_INIT PhyInit;
> +};
> +
> +extern EFI_GUID gDwUsbProtocolGuid;
gDesignWareUsbProtocolGuid.
/
Leif
> +
> +#endif /* __DW_USB_H__ */
> --
> 2.7.4
>
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