1 /* 2 * Copyright 2011, Marvell Semiconductor Inc. 3 * 4 * Licensed under the GPL-2 or later. 5 */ 6 #ifndef __GADGET__CI_UDC_H__ 7 #define __GADGET__CI_UDC_H__ 8 9 #define NUM_ENDPOINTS 6 10 11 struct ci_udc { 12 #define MICRO_8FRAME 0x8 13 #define USBCMD_ITC(x) ((((x) > 0xff) ? 0xff : x) << 16) 14 #define USBCMD_FS2 (1 << 15) 15 #define USBCMD_RST (1 << 1) 16 #define USBCMD_RUN (1) 17 u32 usbcmd; /* 0x140 */ 18 #define STS_SLI (1 << 8) 19 #define STS_URI (1 << 6) 20 #define STS_PCI (1 << 2) 21 #define STS_UEI (1 << 1) 22 #define STS_UI (1 << 0) 23 u32 usbsts; /* 0x144 */ 24 u32 pad1[3]; 25 u32 devaddr; /* 0x154 */ 26 u32 epinitaddr; /* 0x158 */ 27 u32 pad2[10]; 28 #define PTS_ENABLE 2 29 #define PTS(x) (((x) & 0x3) << 30) 30 #define PFSC (1 << 24) 31 u32 portsc; /* 0x184 */ 32 u32 pad3[8]; 33 #define USBMODE_DEVICE 2 34 u32 usbmode; /* 0x1a8 */ 35 u32 epstat; /* 0x1ac */ 36 #define EPT_TX(x) (1 << (((x) & 0xffff) + 16)) 37 #define EPT_RX(x) (1 << ((x) & 0xffff)) 38 u32 epprime; /* 0x1b0 */ 39 u32 epflush; /* 0x1b4 */ 40 u32 pad4; 41 u32 epcomp; /* 0x1bc */ 42 #define CTRL_TXE (1 << 23) 43 #define CTRL_TXR (1 << 22) 44 #define CTRL_RXE (1 << 7) 45 #define CTRL_RXR (1 << 6) 46 #define CTRL_TXT_BULK (2 << 18) 47 #define CTRL_RXT_BULK (2 << 2) 48 u32 epctrl[16]; /* 0x1c0 */ 49 }; 50 51 struct ci_ep { 52 struct usb_ep ep; 53 struct list_head queue; 54 const struct usb_endpoint_descriptor *desc; 55 56 struct usb_request req; 57 uint8_t *b_buf; 58 uint32_t b_len; 59 uint8_t b_fast[64] __aligned(ARCH_DMA_MINALIGN); 60 }; 61 62 struct ci_drv { 63 struct usb_gadget gadget; 64 struct usb_gadget_driver *driver; 65 struct ehci_ctrl *ctrl; 66 struct ept_queue_head *epts; 67 struct ept_queue_item *items[2 * NUM_ENDPOINTS]; 68 uint8_t *items_mem; 69 struct ci_ep ep[NUM_ENDPOINTS]; 70 }; 71 72 struct ept_queue_head { 73 unsigned config; 74 unsigned current; /* read-only */ 75 76 unsigned next; 77 unsigned info; 78 unsigned page0; 79 unsigned page1; 80 unsigned page2; 81 unsigned page3; 82 unsigned page4; 83 unsigned reserved_0; 84 85 unsigned char setup_data[8]; 86 87 unsigned reserved_1; 88 unsigned reserved_2; 89 unsigned reserved_3; 90 unsigned reserved_4; 91 }; 92 93 #define CONFIG_MAX_PKT(n) ((n) << 16) 94 #define CONFIG_ZLT (1 << 29) /* stop on zero-len xfer */ 95 #define CONFIG_IOS (1 << 15) /* IRQ on setup */ 96 97 struct ept_queue_item { 98 unsigned next; 99 unsigned info; 100 unsigned page0; 101 unsigned page1; 102 unsigned page2; 103 unsigned page3; 104 unsigned page4; 105 unsigned reserved; 106 }; 107 108 #define TERMINATE 1 109 #define INFO_BYTES(n) ((n) << 16) 110 #define INFO_IOC (1 << 15) 111 #define INFO_ACTIVE (1 << 7) 112 #define INFO_HALTED (1 << 6) 113 #define INFO_BUFFER_ERROR (1 << 5) 114 #define INFO_TX_ERROR (1 << 3) 115 #endif 116