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From: Jules Maselbas <jmaselbas@kalray.eu>
To: Barebox List <barebox@lists.infradead.org>
Cc: Jules Maselbas <jmaselbas@kalray.eu>
Subject: [PATCH v3 11/14] usb: dwc2: Add structure for gadget driver
Date: Tue, 21 Jul 2020 14:05:57 +0200	[thread overview]
Message-ID: <20200721120600.15114-12-jmaselbas@kalray.eu> (raw)
In-Reply-To: <20200721120600.15114-1-jmaselbas@kalray.eu>

Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
---
 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


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  parent reply	other threads:[~2020-07-21 12:06 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-21 12:05 [PATCH v3 00/14] usb: dwc2: Add host and " Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 01/14] Revert "usb: Add dwc2 host driver" Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 02/14] usb: dwc2: Add host controller driver Jules Maselbas
2020-07-22  6:36   ` Ahmad Fatoum
2020-07-22  9:12     ` Jules Maselbas
2020-07-22  9:18       ` Ahmad Fatoum
2020-07-22  9:21         ` Jules Maselbas
2020-08-10 20:26   ` Sascha Hauer
2020-07-21 12:05 ` [PATCH v3 03/14] usb: dwc2: host: Read dr_mode from device tree Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 04/14] usb: dwc2: Rework roothub interface Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 05/14] usb: dwc2: Rework timeout Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 06/14] usb: dwc2: host: Handle dma mapping errors Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 07/14] usb: dwc2: host: Dynamic fifo size support from Linux Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 08/14] usb: dwc2: host: Fix toggle reset Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 09/14] usb: dwc2: host: Rewrite dwc2_hc_init Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 10/14] usb: dwc2: Add function to flush tx fifo Jules Maselbas
2020-07-21 12:05 ` Jules Maselbas [this message]
2020-07-21 12:05 ` [PATCH v3 12/14] usb: dwc2: Add gadget driver Jules Maselbas
2020-07-21 12:05 ` [PATCH v3 13/14] usb: dwc2: Use register_otg_device Jules Maselbas
2020-07-21 12:06 ` [PATCH v3 14/14] usb: dwc2: Add ulpi phy function Jules Maselbas
2020-08-10 20:34   ` Sascha Hauer
2020-08-11  9:31     ` Jules Maselbas
2020-08-10 20:23 ` [PATCH v3 00/14] usb: dwc2: Add host and gadget driver Sascha Hauer

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