From: Jules Maselbas <jmaselbas@kalray.eu>
To: Barebox List <barebox@lists.infradead.org>
Cc: Jules Maselbas <jmaselbas@kalray.eu>
Subject: [RFC PATCH 6/9] usb: dwc2: Add structure for gadget driver
Date: Wed, 22 Jan 2020 16:49:47 +0100 [thread overview]
Message-ID: <20200122154950.22746-7-jmaselbas@kalray.eu> (raw)
In-Reply-To: <20200122154950.22746-1-jmaselbas@kalray.eu>
Signed-off-by: Jules Maselbas <jmaselbas@kalray.eu>
---
drivers/usb/dwc2/core.h | 52 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 52 insertions(+)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index 56d5cbbfb..e25674558 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -421,6 +421,49 @@ enum usb_otg_state {
OTG_STATE_B_PERIPHERAL,
};
+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;
struct usb_host host;
@@ -433,6 +476,15 @@ struct dwc2 {
void __iomem *regs;
int root_hub_devnum;
+ int num_eps;
+ 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;
+
enum usb_dr_mode dr_mode;
enum usb_otg_state op_state;
};
--
2.21.0.196.g041f5ea
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next prev parent reply other threads:[~2020-01-22 15:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-22 15:49 [RFC PATCH 0/9] usb: Add dwc2 " Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 1/9] BACKPORT: usb: Add helper to extract bits 12:11 of wMaxPacketize Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 2/9] BACKPORT: usb: ch9: make usb_endpoint_maxp() return only packet size Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 3/9] usb: Update uses of usb_endpoint_maxp Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 4/9] usb: dwc2: Add otg state Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 5/9] usb: dwc2: Add function to flush a tx fifo Jules Maselbas
2020-01-22 15:49 ` Jules Maselbas [this message]
2020-01-22 15:49 ` [RFC PATCH 7/9] usb: dwc2: Add getter for gadget fifo hwparams Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 8/9] usb: dwc2: gadget: Configure fifo size Jules Maselbas
2020-01-22 15:49 ` [RFC PATCH 9/9] usb: dwc2: Add gadget driver Jules Maselbas
2020-01-27 13:40 ` Sascha Hauer
2020-01-27 17:18 ` Jules Maselbas
2020-01-28 8:18 ` Sascha Hauer
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