315 lines
9.5 KiB
C
315 lines
9.5 KiB
C
/*
|
|
* 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;
|
|
void __iomem *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,
|
|
stopped:1; /* stop bit is setted */
|
|
|
|
struct work_struct vbus_work;
|
|
struct workqueue_struct *qwork;
|
|
|
|
struct usb_phy *transceiver;
|
|
|
|
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;
|
|
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
|