USB: gadaget: add Marvell controller support

Signed-off-by: Lei Wen <leiwen@marvell.com>

1 files changed, 151 insertions, 0 deletions

diff --git a/include/usb/mv_udc.h b/include/usb/mv_udc.h
new file mode 100644
index 0000000000..51d36c3f34
--- /dev/null
+++ b/include/usb/mv_udc.h
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2011, Marvell Semiconductor Inc.
+ * Lei Wen <leiwen@marvell.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#ifndef __MV_UDC_H__
+#define __MV_UDC_H__
+
+#include <asm/byteorder.h>
+#include <asm/errno.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+
+/* Endpoint 0 states */
+#define EP0_IDLE		0
+#define EP0_IN_DATA		1
+#define EP0_OUT_DATA		2
+#define EP0_XFER_COMPLETE	3
+
+
+/* Endpoint parameters */
+#define MAX_ENDPOINTS		4
+#define EP_MAX_PACKET_SIZE	0x200
+
+#define EP0_MAX_PACKET_SIZE	64
+#define UDC_OUT_ENDPOINT        0x02
+#define UDC_OUT_PACKET_SIZE	EP_MAX_PACKET_SIZE
+#define UDC_IN_ENDPOINT         0x01
+#define UDC_IN_PACKET_SIZE      EP_MAX_PACKET_SIZE
+#define UDC_INT_ENDPOINT        0x05
+#define UDC_INT_PACKET_SIZE     EP_MAX_PACKET_SIZE
+#define UDC_BULK_PACKET_SIZE    EP_MAX_PACKET_SIZE
+
+#define        NUM_ENDPOINTS   6
+#define		REQ_COUNT	12
+struct mv_ep {
+	struct usb_ep ep;
+	struct usb_request req;
+	struct list_head queue;
+	const struct usb_endpoint_descriptor *desc;
+};
+
+struct mv_udc {
+	u32 pad0[80];
+#define MICRO_8FRAME	0x8
+#define USBCMD_ITC(x)	(((x > 0xff) ? 0xff : x) << 16)
+#define USBCMD_FS2	(1 << 15)
+#define USBCMD_RST	(1 << 1)
+#define USBCMD_RUN	(1)
+	u32 usbcmd;		/* 0x140 */
+#define STS_SLI		(1 << 8)
+#define STS_URI		(1 << 6)
+#define STS_PCI		(1 << 2)
+#define STS_UEI		(1 << 1)
+#define STS_UI		(1 << 0)
+	u32 usbsts;		/* 0x144 */
+	u32 pad1[3];
+	u32 devaddr;		/* 0x154 */
+	u32 epinitaddr;		/* 0x158 */
+	u32 pad2[10];
+#define PTS_ENABLE	2
+#define PTS(x)		((x & 0x3) << 30)
+#define PFSC		(1 << 24)
+	u32 portsc;		/* 0x184 */
+	u32 pad3[8];
+#define USBMODE_DEVICE	2
+	u32 usbmode;		/* 0x1a8 */
+	u32 epstat;		/* 0x1ac */
+#define EPT_TX(x)	(1 << ((x & 0xffff) + 16))
+#define EPT_RX(x)	(1 << (x & 0xffff))
+	u32 epprime;		/* 0x1b0 */
+	u32 epflush;		/* 0x1b4 */
+	u32 pad4;
+	u32 epcomp;		/* 0x1bc */
+#define CTRL_TXE              (1 << 23)
+#define CTRL_TXR              (1 << 22)
+#define CTRL_RXE              (1 << 7)
+#define CTRL_RXR              (1 << 6)
+#define CTRL_TXT_BULK         (2 << 18)
+#define CTRL_RXT_BULK         (2 << 2)
+	u32 epctrl[16];		/* 0x1c0 */
+};
+
+struct mv_drv {
+	struct usb_gadget		gadget;
+	struct usb_gadget_driver		*driver;
+	struct mv_udc			*udc;
+};
+
+struct ept_queue_head {
+	unsigned config;
+	unsigned current; /* read-only */
+
+	unsigned next;
+	unsigned info;
+	unsigned page0;
+	unsigned page1;
+	unsigned page2;
+	unsigned page3;
+	unsigned page4;
+	unsigned reserved_0;
+
+	unsigned char setup_data[8];
+
+	unsigned reserved_1;
+	unsigned reserved_2;
+	unsigned reserved_3;
+	unsigned reserved_4;
+};
+
+#define CONFIG_MAX_PKT(n)     ((n) << 16)
+#define CONFIG_ZLT            (1 << 29)    /* stop on zero-len xfer */
+#define CONFIG_IOS            (1 << 15)    /* IRQ on setup */
+
+struct ept_queue_item {
+	unsigned next;
+	unsigned info;
+	unsigned page0;
+	unsigned page1;
+	unsigned page2;
+	unsigned page3;
+	unsigned page4;
+	unsigned reserved;
+};
+
+#define TERMINATE 1
+#define INFO_BYTES(n)         ((n) << 16)
+#define INFO_IOC              (1 << 15)
+#define INFO_ACTIVE           (1 << 7)
+#define INFO_HALTED           (1 << 6)
+#define INFO_BUFFER_ERROR     (1 << 5)
+#define INFO_TX_ERROR         (1 << 3)
+
+extern int usb_lowlevel_init(void);
+#endif /* __MV_UDC_H__ */