Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 96 insertions, 0 deletions

diff --git a/drivers/usb/gadget/udc/s3c2410_udc.h b/drivers/usb/gadget/udc/s3c2410_udc.h
new file mode 100644
index 000000000..bdcaa8dd3
--- /dev/null
+++ b/drivers/usb/gadget/udc/s3c2410_udc.h
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * linux/drivers/usb/gadget/s3c2410_udc.h
+ * Samsung on-chip full speed USB device controllers
+ *
+ * Copyright (C) 2004-2007 Herbert Pötzl - Arnaud Patard
+ *	Additional cleanups by Ben Dooks <ben-linux@fluff.org>
+ */
+
+#ifndef _S3C2410_UDC_H
+#define _S3C2410_UDC_H
+
+struct s3c2410_ep {
+	struct list_head		queue;
+	unsigned long			last_io;	/* jiffies timestamp */
+	struct usb_gadget		*gadget;
+	struct s3c2410_udc		*dev;
+	struct usb_ep			ep;
+	u8				num;
+
+	unsigned short			fifo_size;
+	u8				bEndpointAddress;
+	u8				bmAttributes;
+
+	unsigned			halted : 1;
+	unsigned			already_seen : 1;
+	unsigned			setup_stage : 1;
+};
+
+
+/* Warning : ep0 has a fifo of 16 bytes */
+/* Don't try to set 32 or 64            */
+/* also testusb 14 fails  wit 16 but is */
+/* fine with 8                          */
+#define EP0_FIFO_SIZE		 8
+#define EP_FIFO_SIZE		64
+#define DEFAULT_POWER_STATE	0x00
+
+#define S3C2440_EP_FIFO_SIZE	128
+
+static const char ep0name [] = "ep0";
+
+static const char *const ep_name[] = {
+	ep0name,                                /* everyone has ep0 */
+	/* s3c2410 four bidirectional bulk endpoints */
+	"ep1-bulk", "ep2-bulk", "ep3-bulk", "ep4-bulk",
+};
+
+#define S3C2410_ENDPOINTS       ARRAY_SIZE(ep_name)
+
+struct s3c2410_request {
+	struct list_head		queue;		/* ep's requests */
+	struct usb_request		req;
+};
+
+enum ep0_state {
+        EP0_IDLE,
+        EP0_IN_DATA_PHASE,
+        EP0_OUT_DATA_PHASE,
+        EP0_END_XFER,
+        EP0_STALL,
+};
+
+static const char *ep0states[]= {
+        "EP0_IDLE",
+        "EP0_IN_DATA_PHASE",
+        "EP0_OUT_DATA_PHASE",
+        "EP0_END_XFER",
+        "EP0_STALL",
+};
+
+struct s3c2410_udc {
+	spinlock_t			lock;
+
+	struct s3c2410_ep		ep[S3C2410_ENDPOINTS];
+	int				address;
+	struct usb_gadget		gadget;
+	struct usb_gadget_driver	*driver;
+	struct s3c2410_request		fifo_req;
+	u8				fifo_buf[EP_FIFO_SIZE];
+	u16				devstatus;
+
+	u32				port_status;
+	int				ep0state;
+
+	unsigned			got_irq : 1;
+
+	unsigned			req_std : 1;
+	unsigned			req_config : 1;
+	unsigned			req_pending : 1;
+	u8				vbus;
+	struct dentry			*regs_info;
+};
+#define to_s3c2410(g)	(container_of((g), struct s3c2410_udc, gadget))
+
+#endif