| /* |
| * Copyright 2011, Marvell Semiconductor Inc. |
| * Lei Wen <leiwen@marvell.com> |
| * |
| * SPDX-License-Identifier: GPL-2.0+ |
| */ |
| |
| |
| #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> |
| |
| #include "../../drivers/usb/host/ehci.h" |
| |
| #define NUM_ENDPOINTS 6 |
| |
| /* Endpoint parameters */ |
| #define MAX_ENDPOINTS 4 |
| |
| #define EP_MAX_PACKET_SIZE 0x200 |
| #define EP0_MAX_PACKET_SIZE 64 |
| |
| struct mv_udc { |
| #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_ep { |
| struct usb_ep ep; |
| struct usb_request req; |
| struct list_head queue; |
| const struct usb_endpoint_descriptor *desc; |
| }; |
| |
| struct mv_drv { |
| struct usb_gadget gadget; |
| struct usb_gadget_driver *driver; |
| struct ehci_ctrl *ctrl; |
| struct ept_queue_head *epts; |
| struct ept_queue_item *items[2 * NUM_ENDPOINTS]; |
| struct mv_ep ep[NUM_ENDPOINTS]; |
| }; |
| |
| 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) |
| |
| #endif /* __MV_UDC_H__ */ |