From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from zimbra2.kalray.eu ([92.103.151.219]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jxr2Y-0007DH-Ej for barebox@lists.infradead.org; Tue, 21 Jul 2020 12:06:36 +0000 From: Jules Maselbas Date: Tue, 21 Jul 2020 14:05:57 +0200 Message-Id: <20200721120600.15114-12-jmaselbas@kalray.eu> In-Reply-To: <20200721120600.15114-1-jmaselbas@kalray.eu> References: <20200721120600.15114-1-jmaselbas@kalray.eu> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH v3 11/14] usb: dwc2: Add structure for gadget driver To: Barebox List Cc: Jules Maselbas Signed-off-by: Jules Maselbas --- drivers/usb/dwc2/core.h | 55 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index a2ec3ff68..b188990a0 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -416,6 +416,49 @@ struct dwc2_hw_params { #define MAX_DEVICE 16 #define MAX_ENDPOINT DWC2_MAX_EPS_CHANNELS +struct dwc2_ep { + struct usb_ep ep; + struct dwc2 *dwc2; + struct list_head queue; + struct dwc2_request *req; + char name[8]; + + unsigned int size_loaded; + unsigned int last_load; + unsigned short fifo_size; + unsigned short fifo_index; + + u8 dir_in; + u8 epnum; + u8 mc; + u16 interval; + + unsigned int halted:1; + unsigned int periodic:1; + unsigned int isochronous:1; + unsigned int send_zlp:1; + unsigned int target_frame; +#define TARGET_FRAME_INITIAL 0xFFFFFFFF + bool frame_overrun; +}; + +struct dwc2_request { + struct usb_request req; + struct list_head queue; +}; + +/* Gadget ep0 states */ +enum dwc2_ep0_state { + DWC2_EP0_SETUP, + DWC2_EP0_DATA_IN, + DWC2_EP0_DATA_OUT, + DWC2_EP0_STATUS_IN, + DWC2_EP0_STATUS_OUT, +}; + +/* Size of control and EP0 buffers */ +#define DWC2_CTRL_BUFF_SIZE 8 + struct dwc2 { struct device_d *dev; void __iomem *regs; @@ -429,6 +472,18 @@ struct dwc2 { u8 out_data_toggle[MAX_DEVICE][MAX_ENDPOINT]; int root_hub_devnum; #endif + +#ifdef CONFIG_USB_DWC2_GADGET + struct usb_gadget gadget; + struct dwc2_ep *eps_in[MAX_ENDPOINT]; + struct dwc2_ep *eps_out[MAX_ENDPOINT]; + struct usb_request *ctrl_req; + void *ep0_buff; + void *ctrl_buff; + enum dwc2_ep0_state ep0_state; + struct usb_gadget_driver *driver; + int num_eps; +#endif }; #define host_to_dwc2(ptr) container_of(ptr, struct dwc2, host) -- 2.17.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox