| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (C) 2004,2012 Freescale Semiconductor, Inc |
| * 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. |
| * |
| * Freescale USB device/endpoint management registers |
| */ |
| #ifndef __FSL_USB2_UDC_H |
| #define __FSL_USB2_UDC_H |
| |
| #include <linux/usb/ch9.h> |
| #include <linux/usb/gadget.h> |
| |
| /* ### define USB registers here |
| */ |
| #define USB_MAX_CTRL_PAYLOAD 64 |
| #define USB_DR_SYS_OFFSET 0x400 |
| |
| /* USB DR device mode registers (Little Endian) */ |
| struct usb_dr_device { |
| /* Capability register */ |
| u8 res1[256]; |
| u16 caplength; /* Capability Register Length */ |
| u16 hciversion; /* Host Controller Interface Version */ |
| u32 hcsparams; /* Host Controller Structural Parameters */ |
| u32 hccparams; /* Host Controller Capability Parameters */ |
| u8 res2[20]; |
| u32 dciversion; /* Device Controller Interface Version */ |
| u32 dccparams; /* Device Controller Capability Parameters */ |
| u8 res3[24]; |
| /* Operation register */ |
| u32 usbcmd; /* USB Command Register */ |
| u32 usbsts; /* USB Status Register */ |
| u32 usbintr; /* USB Interrupt Enable Register */ |
| u32 frindex; /* Frame Index Register */ |
| u8 res4[4]; |
| u32 deviceaddr; /* Device Address */ |
| u32 endpointlistaddr; /* Endpoint List Address Register */ |
| u8 res5[4]; |
| u32 burstsize; /* Master Interface Data Burst Size Register */ |
| u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */ |
| u8 res6[24]; |
| u32 configflag; /* Configure Flag Register */ |
| u32 portsc1; /* Port 1 Status and Control Register */ |
| u8 res7[28]; |
| u32 otgsc; /* On-The-Go Status and Control */ |
| u32 usbmode; /* USB Mode Register */ |
| u32 endptsetupstat; /* Endpoint Setup Status Register */ |
| u32 endpointprime; /* Endpoint Initialization Register */ |
| u32 endptflush; /* Endpoint Flush Register */ |
| u32 endptstatus; /* Endpoint Status Register */ |
| u32 endptcomplete; /* Endpoint Complete Register */ |
| u32 endptctrl[6]; /* Endpoint Control Registers */ |
| }; |
| |
| /* USB DR host mode registers (Little Endian) */ |
| struct usb_dr_host { |
| /* Capability register */ |
| u8 res1[256]; |
| u16 caplength; /* Capability Register Length */ |
| u16 hciversion; /* Host Controller Interface Version */ |
| u32 hcsparams; /* Host Controller Structural Parameters */ |
| u32 hccparams; /* Host Controller Capability Parameters */ |
| u8 res2[20]; |
| u32 dciversion; /* Device Controller Interface Version */ |
| u32 dccparams; /* Device Controller Capability Parameters */ |
| u8 res3[24]; |
| /* Operation register */ |
| u32 usbcmd; /* USB Command Register */ |
| u32 usbsts; /* USB Status Register */ |
| u32 usbintr; /* USB Interrupt Enable Register */ |
| u32 frindex; /* Frame Index Register */ |
| u8 res4[4]; |
| u32 periodiclistbase; /* Periodic Frame List Base Address Register */ |
| u32 asynclistaddr; /* Current Asynchronous List Address Register */ |
| u8 res5[4]; |
| u32 burstsize; /* Master Interface Data Burst Size Register */ |
| u32 txttfilltuning; /* Transmit FIFO Tuning Controls Register */ |
| u8 res6[24]; |
| u32 configflag; /* Configure Flag Register */ |
| u32 portsc1; /* Port 1 Status and Control Register */ |
| u8 res7[28]; |
| u32 otgsc; /* On-The-Go Status and Control */ |
| u32 usbmode; /* USB Mode Register */ |
| u32 endptsetupstat; /* Endpoint Setup Status Register */ |
| u32 endpointprime; /* Endpoint Initialization Register */ |
| u32 endptflush; /* Endpoint Flush Register */ |
| u32 endptstatus; /* Endpoint Status Register */ |
| u32 endptcomplete; /* Endpoint Complete Register */ |
| u32 endptctrl[6]; /* Endpoint Control Registers */ |
| }; |
| |
| /* non-EHCI USB system interface registers (Big Endian) */ |
| struct usb_sys_interface { |
| u32 snoop1; |
| u32 snoop2; |
| u32 age_cnt_thresh; /* Age Count Threshold Register */ |
| u32 pri_ctrl; /* Priority Control Register */ |
| u32 si_ctrl; /* System Interface Control Register */ |
| u8 res[236]; |
| u32 control; /* General Purpose Control Register */ |
| }; |
| |
| /* 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 |
| |
| /* Device Controller Capability Parameter register */ |
| #define DCCPARAMS_DC 0x00000080 |
| #define DCCPARAMS_DEN_MASK 0x0000001f |
| |
| /* Frame Index Register Bit Masks */ |
| #define USB_FRINDEX_MASKS 0x3fff |
| /* USB CMD Register Bit Masks */ |
| #define USB_CMD_RUN_STOP 0x00000001 |
| #define USB_CMD_CTRL_RESET 0x00000002 |
| #define USB_CMD_PERIODIC_SCHEDULE_EN 0x00000010 |
| #define USB_CMD_ASYNC_SCHEDULE_EN 0x00000020 |
| #define USB_CMD_INT_AA_DOORBELL 0x00000040 |
| #define USB_CMD_ASP 0x00000300 |
| #define USB_CMD_ASYNC_SCH_PARK_EN 0x00000800 |
| #define USB_CMD_SUTW 0x00002000 |
| #define USB_CMD_ATDTW 0x00004000 |
| #define USB_CMD_ITC 0x00FF0000 |
| |
| /* bit 15,3,2 are frame list size */ |
| #define USB_CMD_FRAME_SIZE_1024 0x00000000 |
| #define USB_CMD_FRAME_SIZE_512 0x00000004 |
| #define USB_CMD_FRAME_SIZE_256 0x00000008 |
| #define USB_CMD_FRAME_SIZE_128 0x0000000C |
| #define USB_CMD_FRAME_SIZE_64 0x00008000 |
| #define USB_CMD_FRAME_SIZE_32 0x00008004 |
| #define USB_CMD_FRAME_SIZE_16 0x00008008 |
| #define USB_CMD_FRAME_SIZE_8 0x0000800C |
| |
| /* bit 9-8 are async schedule park mode count */ |
| #define USB_CMD_ASP_00 0x00000000 |
| #define USB_CMD_ASP_01 0x00000100 |
| #define USB_CMD_ASP_10 0x00000200 |
| #define USB_CMD_ASP_11 0x00000300 |
| #define USB_CMD_ASP_BIT_POS 8 |
| |
| /* bit 23-16 are interrupt threshold control */ |
| #define USB_CMD_ITC_NO_THRESHOLD 0x00000000 |
| #define USB_CMD_ITC_1_MICRO_FRM 0x00010000 |
| #define USB_CMD_ITC_2_MICRO_FRM 0x00020000 |
| #define USB_CMD_ITC_4_MICRO_FRM 0x00040000 |
| #define USB_CMD_ITC_8_MICRO_FRM 0x00080000 |
| #define USB_CMD_ITC_16_MICRO_FRM 0x00100000 |
| #define USB_CMD_ITC_32_MICRO_FRM 0x00200000 |
| #define USB_CMD_ITC_64_MICRO_FRM 0x00400000 |
| #define USB_CMD_ITC_BIT_POS 16 |
| |
| /* USB STS Register Bit Masks */ |
| #define USB_STS_INT 0x00000001 |
| #define USB_STS_ERR 0x00000002 |
| #define USB_STS_PORT_CHANGE 0x00000004 |
| #define USB_STS_FRM_LST_ROLL 0x00000008 |
| #define USB_STS_SYS_ERR 0x00000010 |
| #define USB_STS_IAA 0x00000020 |
| #define USB_STS_RESET 0x00000040 |
| #define USB_STS_SOF 0x00000080 |
| #define USB_STS_SUSPEND 0x00000100 |
| #define USB_STS_HC_HALTED 0x00001000 |
| #define USB_STS_RCL 0x00002000 |
| #define USB_STS_PERIODIC_SCHEDULE 0x00004000 |
| #define USB_STS_ASYNC_SCHEDULE 0x00008000 |
| |
| /* USB INTR Register Bit Masks */ |
| #define USB_INTR_INT_EN 0x00000001 |
| #define USB_INTR_ERR_INT_EN 0x00000002 |
| #define USB_INTR_PTC_DETECT_EN 0x00000004 |
| #define USB_INTR_FRM_LST_ROLL_EN 0x00000008 |
| #define USB_INTR_SYS_ERR_EN 0x00000010 |
| #define USB_INTR_ASYN_ADV_EN 0x00000020 |
| #define USB_INTR_RESET_EN 0x00000040 |
| #define USB_INTR_SOF_EN 0x00000080 |
| #define USB_INTR_DEVICE_SUSPEND 0x00000100 |
| |
| /* Device Address bit masks */ |
| #define USB_DEVICE_ADDRESS_MASK 0xFE000000 |
| #define USB_DEVICE_ADDRESS_BIT_POS 25 |
| |
| /* endpoint list address bit masks */ |
| #define USB_EP_LIST_ADDRESS_MASK 0xfffff800 |
| |
| /* PORTSCX Register Bit Masks */ |
| #define PORTSCX_CURRENT_CONNECT_STATUS 0x00000001 |
| #define PORTSCX_CONNECT_STATUS_CHANGE 0x00000002 |
| #define PORTSCX_PORT_ENABLE 0x00000004 |
| #define PORTSCX_PORT_EN_DIS_CHANGE 0x00000008 |
| #define PORTSCX_OVER_CURRENT_ACT 0x00000010 |
| #define PORTSCX_OVER_CURRENT_CHG 0x00000020 |
| #define PORTSCX_PORT_FORCE_RESUME 0x00000040 |
| #define PORTSCX_PORT_SUSPEND 0x00000080 |
| #define PORTSCX_PORT_RESET 0x00000100 |
| #define PORTSCX_LINE_STATUS_BITS 0x00000C00 |
| #define PORTSCX_PORT_POWER 0x00001000 |
| #define PORTSCX_PORT_INDICTOR_CTRL 0x0000C000 |
| #define PORTSCX_PORT_TEST_CTRL 0x000F0000 |
| #define PORTSCX_WAKE_ON_CONNECT_EN 0x00100000 |
| #define PORTSCX_WAKE_ON_CONNECT_DIS 0x00200000 |
| #define PORTSCX_WAKE_ON_OVER_CURRENT 0x00400000 |
| #define PORTSCX_PHY_LOW_POWER_SPD 0x00800000 |
| #define PORTSCX_PORT_FORCE_FULL_SPEED 0x01000000 |
| #define PORTSCX_PORT_SPEED_MASK 0x0C000000 |
| #define PORTSCX_PORT_WIDTH 0x10000000 |
| #define PORTSCX_PHY_TYPE_SEL 0xC0000000 |
| |
| /* bit 11-10 are line status */ |
| #define PORTSCX_LINE_STATUS_SE0 0x00000000 |
| #define PORTSCX_LINE_STATUS_JSTATE 0x00000400 |
| #define PORTSCX_LINE_STATUS_KSTATE 0x00000800 |
| #define PORTSCX_LINE_STATUS_UNDEF 0x00000C00 |
| #define PORTSCX_LINE_STATUS_BIT_POS 10 |
| |
| /* bit 15-14 are port indicator control */ |
| #define PORTSCX_PIC_OFF 0x00000000 |
| #define PORTSCX_PIC_AMBER 0x00004000 |
| #define PORTSCX_PIC_GREEN 0x00008000 |
| #define PORTSCX_PIC_UNDEF 0x0000C000 |
| #define PORTSCX_PIC_BIT_POS 14 |
| |
| /* bit 19-16 are port test control */ |
| #define PORTSCX_PTC_DISABLE 0x00000000 |
| #define PORTSCX_PTC_JSTATE 0x00010000 |
| #define PORTSCX_PTC_KSTATE 0x00020000 |
| #define PORTSCX_PTC_SEQNAK 0x00030000 |
| #define PORTSCX_PTC_PACKET 0x00040000 |
| #define PORTSCX_PTC_FORCE_EN 0x00050000 |
| #define PORTSCX_PTC_BIT_POS 16 |
| |
| /* bit 27-26 are port speed */ |
| #define PORTSCX_PORT_SPEED_FULL 0x00000000 |
| #define PORTSCX_PORT_SPEED_LOW 0x04000000 |
| #define PORTSCX_PORT_SPEED_HIGH 0x08000000 |
| #define PORTSCX_PORT_SPEED_UNDEF 0x0C000000 |
| #define PORTSCX_SPEED_BIT_POS 26 |
| |
| /* bit 28 is parallel transceiver width for UTMI interface */ |
| #define PORTSCX_PTW 0x10000000 |
| #define PORTSCX_PTW_8BIT 0x00000000 |
| #define PORTSCX_PTW_16BIT 0x10000000 |
| |
| /* bit 31-30 are port transceiver select */ |
| #define PORTSCX_PTS_UTMI 0x00000000 |
| #define PORTSCX_PTS_ULPI 0x80000000 |
| #define PORTSCX_PTS_FSLS 0xC0000000 |
| #define PORTSCX_PTS_BIT_POS 30 |
| |
| /* otgsc Register Bit Masks */ |
| #define OTGSC_CTRL_VUSB_DISCHARGE 0x00000001 |
| #define OTGSC_CTRL_VUSB_CHARGE 0x00000002 |
| #define OTGSC_CTRL_OTG_TERM 0x00000008 |
| #define OTGSC_CTRL_DATA_PULSING 0x00000010 |
| #define OTGSC_STS_USB_ID 0x00000100 |
| #define OTGSC_STS_A_VBUS_VALID 0x00000200 |
| #define OTGSC_STS_A_SESSION_VALID 0x00000400 |
| #define OTGSC_STS_B_SESSION_VALID 0x00000800 |
| #define OTGSC_STS_B_SESSION_END 0x00001000 |
| #define OTGSC_STS_1MS_TOGGLE 0x00002000 |
| #define OTGSC_STS_DATA_PULSING 0x00004000 |
| #define OTGSC_INTSTS_USB_ID 0x00010000 |
| #define OTGSC_INTSTS_A_VBUS_VALID 0x00020000 |
| #define OTGSC_INTSTS_A_SESSION_VALID 0x00040000 |
| #define OTGSC_INTSTS_B_SESSION_VALID 0x00080000 |
| #define OTGSC_INTSTS_B_SESSION_END 0x00100000 |
| #define OTGSC_INTSTS_1MS 0x00200000 |
| #define OTGSC_INTSTS_DATA_PULSING 0x00400000 |
| #define OTGSC_INTR_USB_ID 0x01000000 |
| #define OTGSC_INTR_A_VBUS_VALID 0x02000000 |
| #define OTGSC_INTR_A_SESSION_VALID 0x04000000 |
| #define OTGSC_INTR_B_SESSION_VALID 0x08000000 |
| #define OTGSC_INTR_B_SESSION_END 0x10000000 |
| #define OTGSC_INTR_1MS_TIMER 0x20000000 |
| #define OTGSC_INTR_DATA_PULSING 0x40000000 |
| |
| /* USB MODE Register Bit Masks */ |
| #define USB_MODE_CTRL_MODE_IDLE 0x00000000 |
| #define USB_MODE_CTRL_MODE_DEVICE 0x00000002 |
| #define USB_MODE_CTRL_MODE_HOST 0x00000003 |
| #define USB_MODE_CTRL_MODE_MASK 0x00000003 |
| #define USB_MODE_CTRL_MODE_RSV 0x00000001 |
| #define USB_MODE_ES 0x00000004 /* Endian Select */ |
| #define USB_MODE_SETUP_LOCK_OFF 0x00000008 |
| #define USB_MODE_STREAM_DISABLE 0x00000010 |
| /* Endpoint Flush Register */ |
| #define EPFLUSH_TX_OFFSET 0x00010000 |
| #define EPFLUSH_RX_OFFSET 0x00000000 |
| |
| /* Endpoint Setup Status bit masks */ |
| #define EP_SETUP_STATUS_MASK 0x0000003F |
| #define EP_SETUP_STATUS_EP0 0x00000001 |
| |
| /* ENDPOINTCTRLx Register Bit Masks */ |
| #define EPCTRL_TX_ENABLE 0x00800000 |
| #define EPCTRL_TX_DATA_TOGGLE_RST 0x00400000 /* Not EP0 */ |
| #define EPCTRL_TX_DATA_TOGGLE_INH 0x00200000 /* Not EP0 */ |
| #define EPCTRL_TX_TYPE 0x000C0000 |
| #define EPCTRL_TX_DATA_SOURCE 0x00020000 /* Not EP0 */ |
| #define EPCTRL_TX_EP_STALL 0x00010000 |
| #define EPCTRL_RX_ENABLE 0x00000080 |
| #define EPCTRL_RX_DATA_TOGGLE_RST 0x00000040 /* Not EP0 */ |
| #define EPCTRL_RX_DATA_TOGGLE_INH 0x00000020 /* Not EP0 */ |
| #define EPCTRL_RX_TYPE 0x0000000C |
| #define EPCTRL_RX_DATA_SINK 0x00000002 /* Not EP0 */ |
| #define EPCTRL_RX_EP_STALL 0x00000001 |
| |
| /* bit 19-18 and 3-2 are endpoint type */ |
| #define EPCTRL_EP_TYPE_CONTROL 0 |
| #define EPCTRL_EP_TYPE_ISO 1 |
| #define EPCTRL_EP_TYPE_BULK 2 |
| #define EPCTRL_EP_TYPE_INTERRUPT 3 |
| #define EPCTRL_TX_EP_TYPE_SHIFT 18 |
| #define EPCTRL_RX_EP_TYPE_SHIFT 2 |
| |
| /* SNOOPn Register Bit Masks */ |
| #define SNOOP_ADDRESS_MASK 0xFFFFF000 |
| #define SNOOP_SIZE_ZERO 0x00 /* snooping disable */ |
| #define SNOOP_SIZE_4KB 0x0B /* 4KB snoop size */ |
| #define SNOOP_SIZE_8KB 0x0C |
| #define SNOOP_SIZE_16KB 0x0D |
| #define SNOOP_SIZE_32KB 0x0E |
| #define SNOOP_SIZE_64KB 0x0F |
| #define SNOOP_SIZE_128KB 0x10 |
| #define SNOOP_SIZE_256KB 0x11 |
| #define SNOOP_SIZE_512KB 0x12 |
| #define SNOOP_SIZE_1MB 0x13 |
| #define SNOOP_SIZE_2MB 0x14 |
| #define SNOOP_SIZE_4MB 0x15 |
| #define SNOOP_SIZE_8MB 0x16 |
| #define SNOOP_SIZE_16MB 0x17 |
| #define SNOOP_SIZE_32MB 0x18 |
| #define SNOOP_SIZE_64MB 0x19 |
| #define SNOOP_SIZE_128MB 0x1A |
| #define SNOOP_SIZE_256MB 0x1B |
| #define SNOOP_SIZE_512MB 0x1C |
| #define SNOOP_SIZE_1GB 0x1D |
| #define SNOOP_SIZE_2GB 0x1E /* 2GB snoop size */ |
| |
| /* pri_ctrl Register Bit Masks */ |
| #define PRI_CTRL_PRI_LVL1 0x0000000C |
| #define PRI_CTRL_PRI_LVL0 0x00000003 |
| |
| /* si_ctrl Register Bit Masks */ |
| #define SI_CTRL_ERR_DISABLE 0x00000010 |
| #define SI_CTRL_IDRC_DISABLE 0x00000008 |
| #define SI_CTRL_RD_SAFE_EN 0x00000004 |
| #define SI_CTRL_RD_PREFETCH_DISABLE 0x00000002 |
| #define SI_CTRL_RD_PREFEFETCH_VAL 0x00000001 |
| |
| /* control Register Bit Masks */ |
| #define USB_CTRL_IOENB 0x00000004 |
| #define USB_CTRL_ULPI_INT0EN 0x00000001 |
| #define USB_CTRL_UTMI_PHY_EN 0x00000200 |
| #define USB_CTRL_USB_EN 0x00000004 |
| #define USB_CTRL_ULPI_PHY_CLK_SEL 0x00000400 |
| |
| /* Endpoint Queue Head data struct |
| * Rem: all the variables of qh are LittleEndian Mode |
| * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr |
| */ |
| struct ep_queue_head { |
| u32 max_pkt_length; /* Mult(31-30) , Zlt(29) , Max Pkt len |
| and IOS(15) */ |
| u32 curr_dtd_ptr; /* Current dTD Pointer(31-5) */ |
| u32 next_dtd_ptr; /* Next dTD Pointer(31-5), T(0) */ |
| u32 size_ioc_int_sts; /* Total bytes (30-16), IOC (15), |
| MultO(11-10), STS (7-0) */ |
| u32 buff_ptr0; /* Buffer pointer Page 0 (31-12) */ |
| u32 buff_ptr1; /* Buffer pointer Page 1 (31-12) */ |
| u32 buff_ptr2; /* Buffer pointer Page 2 (31-12) */ |
| u32 buff_ptr3; /* Buffer pointer Page 3 (31-12) */ |
| u32 buff_ptr4; /* Buffer pointer Page 4 (31-12) */ |
| u32 res1; |
| u8 setup_buffer[8]; /* Setup data 8 bytes */ |
| u32 res2[4]; |
| }; |
| |
| /* Endpoint Queue Head Bit Masks */ |
| #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 |
| |
| /* Endpoint Transfer Descriptor data struct */ |
| /* Rem: all the variables of td are LittleEndian Mode */ |
| struct ep_td_struct { |
| u32 next_td_ptr; /* Next TD pointer(31-5), T(0) set |
| indicate invalid */ |
| u32 size_ioc_sts; /* Total bytes (30-16), IOC (15), |
| MultO(11-10), STS (7-0) */ |
| 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 res; |
| /* 32 bytes */ |
| dma_addr_t td_dma; /* dma address for this td */ |
| /* virtual address of next td specified in next_td_ptr */ |
| struct ep_td_struct *next_td_virt; |
| }; |
| |
| /* Endpoint Transfer Descriptor bit Masks */ |
| #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 0x80007300 |
| #define DTD_ADDR_MASK 0xFFFFFFE0 |
| #define DTD_PACKET_SIZE 0x7FFF0000 |
| #define DTD_LENGTH_BIT_POS 16 |
| #define DTD_ERROR_MASK (DTD_STATUS_HALTED | \ |
| DTD_STATUS_DATA_BUFF_ERR | \ |
| DTD_STATUS_TRANSACTION_ERR) |
| /* Alignment requirements; must be a power of two */ |
| #define DTD_ALIGNMENT 0x20 |
| #define QH_ALIGNMENT 2048 |
| |
| /* Controller dma boundary */ |
| #define UDC_DMA_BOUNDARY 0x1000 |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* ### driver private data |
| */ |
| struct fsl_req { |
| struct usb_request req; |
| struct list_head queue; |
| /* ep_queue() func will add |
| a request->queue into a udc_ep->queue 'd tail */ |
| struct fsl_ep *ep; |
| unsigned mapped:1; |
| |
| struct ep_td_struct *head, *tail; /* For dTD List |
| cpu endian Virtual addr */ |
| unsigned int dtd_count; |
| }; |
| |
| #define REQ_UNCOMPLETE 1 |
| |
| struct fsl_ep { |
| struct usb_ep ep; |
| struct list_head queue; |
| struct fsl_udc *udc; |
| struct ep_queue_head *qh; |
| struct usb_gadget *gadget; |
| |
| char name[14]; |
| unsigned stopped:1; |
| }; |
| |
| #define EP_DIR_IN 1 |
| #define EP_DIR_OUT 0 |
| |
| struct fsl_udc { |
| struct usb_gadget gadget; |
| struct usb_gadget_driver *driver; |
| struct fsl_usb2_platform_data *pdata; |
| struct completion *done; /* to make sure release() is done */ |
| struct fsl_ep *eps; |
| unsigned int max_ep; |
| unsigned int irq; |
| |
| struct usb_ctrlrequest local_setup_buff; |
| spinlock_t lock; |
| struct usb_phy *transceiver; |
| unsigned softconnect:1; |
| unsigned vbus_active:1; |
| unsigned stopped:1; |
| unsigned remote_wakeup:1; |
| unsigned already_stopped:1; |
| unsigned big_endian_desc:1; |
| |
| struct ep_queue_head *ep_qh; /* Endpoints Queue-Head */ |
| struct fsl_req *status_req; /* ep0 status request */ |
| struct dma_pool *td_pool; /* dma pool for DTD */ |
| enum fsl_usb2_phy_modes phy_mode; |
| |
| size_t ep_qh_size; /* size after alignment adjustment*/ |
| dma_addr_t ep_qh_dma; /* dma address of QH */ |
| |
| u32 max_pipes; /* Device max pipes */ |
| u32 bus_reset; /* Device is bus resetting */ |
| u32 resume_state; /* USB state to resume */ |
| u32 usb_state; /* USB current state */ |
| u32 ep0_state; /* Endpoint zero state */ |
| u32 ep0_dir; /* Endpoint zero direction: can be |
| USB_DIR_IN or USB_DIR_OUT */ |
| u8 device_address; /* Device USB address */ |
| }; |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| #ifdef DEBUG |
| #define DBG(fmt, args...) printk(KERN_DEBUG "[%s] " fmt "\n", \ |
| __func__, ## args) |
| #else |
| #define DBG(fmt, args...) do{}while(0) |
| #endif |
| |
| #if 0 |
| static void dump_msg(const char *label, const u8 * buf, unsigned int length) |
| { |
| unsigned int start, num, i; |
| char line[52], *p; |
| |
| if (length >= 512) |
| return; |
| DBG("%s, length %u:\n", label, length); |
| start = 0; |
| while (length > 0) { |
| num = min(length, 16u); |
| p = line; |
| for (i = 0; i < num; ++i) { |
| if (i == 8) |
| *p++ = ' '; |
| sprintf(p, " %02x", buf[i]); |
| p += 3; |
| } |
| *p = 0; |
| printk(KERN_DEBUG "%6x: %s\n", start, line); |
| buf += num; |
| start += num; |
| length -= num; |
| } |
| } |
| #endif |
| |
| #ifdef VERBOSE |
| #define VDBG DBG |
| #else |
| #define VDBG(stuff...) do{}while(0) |
| #endif |
| |
| #define ERR(stuff...) pr_err("udc: " stuff) |
| #define WARNING(stuff...) pr_warn("udc: " stuff) |
| #define INFO(stuff...) pr_info("udc: " stuff) |
| |
| /*-------------------------------------------------------------------------*/ |
| |
| /* ### Add board specific defines here |
| */ |
| |
| /* |
| * ### pipe direction macro from device view |
| */ |
| #define USB_RECV 0 /* OUT EP */ |
| #define USB_SEND 1 /* IN EP */ |
| |
| /* |
| * ### internal used help routines. |
| */ |
| #define ep_index(EP) ((EP)->ep.desc->bEndpointAddress&0xF) |
| #define ep_maxpacket(EP) ((EP)->ep.maxpacket) |
| #define ep_is_in(EP) ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \ |
| USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \ |
| & USB_DIR_IN)==USB_DIR_IN) |
| #define get_ep_by_pipe(udc, pipe) ((pipe == 1)? &udc->eps[0]: \ |
| &udc->eps[pipe]) |
| #define get_pipe_by_windex(windex) ((windex & USB_ENDPOINT_NUMBER_MASK) \ |
| * 2 + ((windex & USB_DIR_IN) ? 1 : 0)) |
| #define get_pipe_by_ep(EP) (ep_index(EP) * 2 + ep_is_in(EP)) |
| |
| static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep) |
| { |
| /* we only have one ep0 structure but two queue heads */ |
| if (ep_index(ep) != 0) |
| return ep->qh; |
| else |
| return &ep->udc->ep_qh[(ep->udc->ep0_dir == |
| USB_DIR_IN) ? 1 : 0]; |
| } |
| |
| struct platform_device; |
| #ifdef CONFIG_ARCH_MXC |
| int fsl_udc_clk_init(struct platform_device *pdev); |
| int fsl_udc_clk_finalize(struct platform_device *pdev); |
| void fsl_udc_clk_release(void); |
| #else |
| static inline int fsl_udc_clk_init(struct platform_device *pdev) |
| { |
| return 0; |
| } |
| static inline int fsl_udc_clk_finalize(struct platform_device *pdev) |
| { |
| return 0; |
| } |
| static inline void fsl_udc_clk_release(void) |
| { |
| } |
| #endif |
| |
| #endif |
