/* * Copyright (C) 2011 Marvell International Ltd. All rights reserved. * * 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. */ #ifndef __MV_UDC_H #define __MV_UDC_H #define VUSBHS_MAX_PORTS 8 #define DQH_ALIGNMENT 2048 #define DTD_ALIGNMENT 64 #define DMA_BOUNDARY 4096 #define EP_DIR_IN 1 #define EP_DIR_OUT 0 #define DMA_ADDR_INVALID (~(dma_addr_t)0) #define EP0_MAX_PKT_SIZE 64 /* ep0 transfer state */ #define WAIT_FOR_SETUP 0 #define DATA_STATE_XMIT 1 #define DATA_STATE_NEED_ZLP 2 #define WAIT_FOR_OUT_STATUS 3 #define DATA_STATE_RECV 4 #define CAPLENGTH_MASK (0xff) #define DCCPARAMS_DEN_MASK (0x1f) #define HCSPARAMS_PPC (0x10) /* Frame Index Register Bit Masks */ #define USB_FRINDEX_MASKS 0x3fff /* Command Register Bit Masks */ #define USBCMD_RUN_STOP (0x00000001) #define USBCMD_CTRL_RESET (0x00000002) #define USBCMD_SETUP_TRIPWIRE_SET (0x00002000) #define USBCMD_SETUP_TRIPWIRE_CLEAR (~USBCMD_SETUP_TRIPWIRE_SET) #define USBCMD_ATDTW_TRIPWIRE_SET (0x00004000) #define USBCMD_ATDTW_TRIPWIRE_CLEAR (~USBCMD_ATDTW_TRIPWIRE_SET) /* bit 15,3,2 are for frame list size */ #define USBCMD_FRAME_SIZE_1024 (0x00000000) /* 000 */ #define USBCMD_FRAME_SIZE_512 (0x00000004) /* 001 */ #define USBCMD_FRAME_SIZE_256 (0x00000008) /* 010 */ #define USBCMD_FRAME_SIZE_128 (0x0000000C) /* 011 */ #define USBCMD_FRAME_SIZE_64 (0x00008000) /* 100 */ #define USBCMD_FRAME_SIZE_32 (0x00008004) /* 101 */ #define USBCMD_FRAME_SIZE_16 (0x00008008) /* 110 */ #define USBCMD_FRAME_SIZE_8 (0x0000800C) /* 111 */ #define EPCTRL_TX_ALL_MASK (0xFFFF0000) #define EPCTRL_RX_ALL_MASK (0x0000FFFF) #define EPCTRL_TX_DATA_TOGGLE_RST (0x00400000) #define EPCTRL_TX_EP_STALL (0x00010000) #define EPCTRL_RX_EP_STALL (0x00000001) #define EPCTRL_RX_DATA_TOGGLE_RST (0x00000040) #define EPCTRL_RX_ENABLE (0x00000080) #define EPCTRL_TX_ENABLE (0x00800000) #define EPCTRL_CONTROL (0x00000000) #define EPCTRL_ISOCHRONOUS (0x00040000) #define EPCTRL_BULK (0x00080000) #define EPCTRL_INT (0x000C0000) #define EPCTRL_TX_TYPE (0x000C0000) #define EPCTRL_RX_TYPE (0x0000000C) #define EPCTRL_DATA_TOGGLE_INHIBIT (0x00000020) #define EPCTRL_TX_EP_TYPE_SHIFT (18) #define EPCTRL_RX_EP_TYPE_SHIFT (2) #define EPCOMPLETE_MAX_ENDPOINTS (16) /* endpoint list address bit masks */ #define USB_EP_LIST_ADDRESS_MASK 0xfffff800 #define PORTSCX_W1C_BITS 0x2a #define PORTSCX_PORT_RESET 0x00000100 #define PORTSCX_PORT_POWER 0x00001000 #define PORTSCX_FORCE_FULL_SPEED_CONNECT 0x01000000 #define PORTSCX_PAR_XCVR_SELECT 0xC0000000 #define PORTSCX_PORT_FORCE_RESUME 0x00000040 #define PORTSCX_PORT_SUSPEND 0x00000080 #define PORTSCX_PORT_SPEED_FULL 0x00000000 #define PORTSCX_PORT_SPEED_LOW 0x04000000 #define PORTSCX_PORT_SPEED_HIGH 0x08000000 #define PORTSCX_PORT_SPEED_MASK 0x0C000000 /* USB MODE Register Bit Masks */ #define USBMODE_CTRL_MODE_IDLE 0x00000000 #define USBMODE_CTRL_MODE_DEVICE 0x00000002 #define USBMODE_CTRL_MODE_HOST 0x00000003 #define USBMODE_CTRL_MODE_RSV 0x00000001 #define USBMODE_SETUP_LOCK_OFF 0x00000008 #define USBMODE_STREAM_DISABLE 0x00000010 /* USB STS Register Bit Masks */ #define USBSTS_INT 0x00000001 #define USBSTS_ERR 0x00000002 #define USBSTS_PORT_CHANGE 0x00000004 #define USBSTS_FRM_LST_ROLL 0x00000008 #define USBSTS_SYS_ERR 0x00000010 #define USBSTS_IAA 0x00000020 #define USBSTS_RESET 0x00000040 #define USBSTS_SOF 0x00000080 #define USBSTS_SUSPEND 0x00000100 #define USBSTS_HC_HALTED 0x00001000 #define USBSTS_RCL 0x00002000 #define USBSTS_PERIODIC_SCHEDULE 0x00004000 #define USBSTS_ASYNC_SCHEDULE 0x00008000 /* Interrupt Enable Register Bit Masks */ #define USBINTR_INT_EN (0x00000001) #define USBINTR_ERR_INT_EN (0x00000002) #define USBINTR_PORT_CHANGE_DETECT_EN (0x00000004) #define USBINTR_ASYNC_ADV_AAE (0x00000020) #define USBINTR_ASYNC_ADV_AAE_ENABLE (0x00000020) #define USBINTR_ASYNC_ADV_AAE_DISABLE (0xFFFFFFDF) #define USBINTR_RESET_EN (0x00000040) #define USBINTR_SOF_UFRAME_EN (0x00000080) #define USBINTR_DEVICE_SUSPEND (0x00000100) #define USB_DEVICE_ADDRESS_MASK (0xfe000000) #define USB_DEVICE_ADDRESS_BIT_SHIFT (25) struct mv_cap_regs { u32 caplength_hciversion; u32 hcsparams; /* HC structural parameters */ u32 hccparams; /* HC Capability Parameters*/ u32 reserved[5]; u32 dciversion; /* DC version number and reserved 16 bits */ u32 dccparams; /* DC Capability Parameters */ }; struct mv_op_regs { u32 usbcmd; /* Command register */ u32 usbsts; /* Status register */ u32 usbintr; /* Interrupt enable */ u32 frindex; /* Frame index */ u32 reserved1[1]; u32 deviceaddr; /* Device Address */ u32 eplistaddr; /* Endpoint List Address */ u32 ttctrl; /* HOST TT status and control */ u32 burstsize; /* Programmable Burst Size */ u32 txfilltuning; /* Host Transmit Pre-Buffer Packet Tuning */ u32 reserved[4]; u32 epnak; /* Endpoint NAK */ u32 epnaken; /* Endpoint NAK Enable */ u32 configflag; /* Configured Flag register */ u32 portsc[VUSBHS_MAX_PORTS]; /* Port Status/Control x, x = 1..8 */ u32 otgsc; u32 usbmode; /* USB Host/Device mode */ u32 epsetupstat; /* Endpoint Setup Status */ u32 epprime; /* Endpoint Initialize */ u32 epflush; /* Endpoint De-initialize */ u32 epstatus; /* Endpoint Status */ u32 epcomplete; /* Endpoint Interrupt On Complete */ u32 epctrlx[16]; /* Endpoint Control, where x = 0.. 15 */ u32 mcr; /* Mux Control */ u32 isr; /* Interrupt Status */ u32 ier; /* Interrupt Enable */ }; struct mv_udc { struct usb_gadget gadget; struct usb_gadget_driver *driver; spinlock_t lock; struct completion *done; struct platform_device *dev; int irq; struct mv_cap_regs __iomem *cap_regs; struct mv_op_regs __iomem *op_regs; unsigned int phy_regs; unsigned int max_eps; struct mv_dqh *ep_dqh; size_t ep_dqh_size; dma_addr_t ep_dqh_dma; struct dma_pool *dtd_pool; struct mv_ep *eps; struct mv_dtd *dtd_head; struct mv_dtd *dtd_tail; unsigned int dtd_entries; struct mv_req *status_req; struct usb_ctrlrequest local_setup_buff; unsigned int resume_state; /* USB state to resume */ unsigned int usb_state; /* USB current state */ unsigned int ep0_state; /* Endpoint zero state */ unsigned int ep0_dir; unsigned int dev_addr; unsigned int test_mode; int errors; unsigned softconnect:1, vbus_active:1, remote_wakeup:1, softconnected:1, force_fs:1, clock_gating:1, active:1; struct work_struct vbus_work; struct workqueue_struct *qwork; struct mv_usb_platform_data *pdata; /* some SOC has mutiple clock sources for USB*/ unsigned int clknum; struct clk *clk[0]; }; /* endpoint data structure */ struct mv_ep { struct usb_ep ep; struct mv_udc *udc; struct list_head queue; struct mv_dqh *dqh; const struct usb_endpoint_descriptor *desc; u32 direction; char name[14]; unsigned stopped:1, wedge:1, ep_type:2, ep_num:8; }; /* request data structure */ struct mv_req { struct usb_request req; struct mv_dtd *dtd, *head, *tail; struct mv_ep *ep; struct list_head queue; unsigned int test_mode; unsigned dtd_count; unsigned mapped:1; }; #define EP_QUEUE_HEAD_MULT_POS 30 #define EP_QUEUE_HEAD_ZLT_SEL 0x20000000 #define EP_QUEUE_HEAD_MAX_PKT_LEN_POS 16 #define EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info) (((ep_info)>>16)&0x07ff) #define EP_QUEUE_HEAD_IOS 0x00008000 #define EP_QUEUE_HEAD_NEXT_TERMINATE 0x00000001 #define EP_QUEUE_HEAD_IOC 0x00008000 #define EP_QUEUE_HEAD_MULTO 0x00000C00 #define EP_QUEUE_HEAD_STATUS_HALT 0x00000040 #define EP_QUEUE_HEAD_STATUS_ACTIVE 0x00000080 #define EP_QUEUE_CURRENT_OFFSET_MASK 0x00000FFF #define EP_QUEUE_HEAD_NEXT_POINTER_MASK 0xFFFFFFE0 #define EP_QUEUE_FRINDEX_MASK 0x000007FF #define EP_MAX_LENGTH_TRANSFER 0x4000 struct mv_dqh { /* Bits 16..26 Bit 15 is Interrupt On Setup */ u32 max_packet_length; u32 curr_dtd_ptr; /* Current dTD Pointer */ u32 next_dtd_ptr; /* Next dTD Pointer */ /* Total bytes (16..30), IOC (15), INT (8), STS (0-7) */ u32 size_ioc_int_sts; u32 buff_ptr0; /* Buffer pointer Page 0 (12-31) */ u32 buff_ptr1; /* Buffer pointer Page 1 (12-31) */ u32 buff_ptr2; /* Buffer pointer Page 2 (12-31) */ u32 buff_ptr3; /* Buffer pointer Page 3 (12-31) */ u32 buff_ptr4; /* Buffer pointer Page 4 (12-31) */ u32 reserved1; /* 8 bytes of setup data that follows the Setup PID */ u8 setup_buffer[8]; u32 reserved2[4]; }; #define DTD_NEXT_TERMINATE (0x00000001) #define DTD_IOC (0x00008000) #define DTD_STATUS_ACTIVE (0x00000080) #define DTD_STATUS_HALTED (0x00000040) #define DTD_STATUS_DATA_BUFF_ERR (0x00000020) #define DTD_STATUS_TRANSACTION_ERR (0x00000008) #define DTD_RESERVED_FIELDS (0x00007F00) #define DTD_ERROR_MASK (0x68) #define DTD_ADDR_MASK (0xFFFFFFE0) #define DTD_PACKET_SIZE 0x7FFF0000 #define DTD_LENGTH_BIT_POS (16) struct mv_dtd { u32 dtd_next; u32 size_ioc_sts; u32 buff_ptr0; /* Buffer pointer Page 0 */ u32 buff_ptr1; /* Buffer pointer Page 1 */ u32 buff_ptr2; /* Buffer pointer Page 2 */ u32 buff_ptr3; /* Buffer pointer Page 3 */ u32 buff_ptr4; /* Buffer pointer Page 4 */ u32 scratch_ptr; /* 32 bytes */ dma_addr_t td_dma; /* dma address for this td */ struct mv_dtd *next_dtd_virt; }; #endif