/* * 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(int index, void **controller); #endif /* __MV_UDC_H__ */