diff options
Diffstat (limited to 'include/usb')
| -rw-r--r-- | include/usb/mv_udc.h | 151 |
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 0000000..51d36c3 --- /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__ */ |