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/* Copyright (c) 2012-2016, The Linux Foundation. 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 version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef __DBM_H
#define __DBM_H
#include <linux/device.h>
#include <linux/types.h>
/**
* USB DBM Hardware registers bitmask.
*
*/
/* DBM_EP_CFG */
#define DBM_EN_EP 0x00000001
#define USB3_EPNUM 0x0000003E
#define DBM_BAM_PIPE_NUM 0x000000C0
#define DBM_PRODUCER 0x00000100
#define DBM_DISABLE_WB 0x00000200
#define DBM_INT_RAM_ACC 0x00000400
/* DBM_DATA_FIFO_SIZE */
#define DBM_DATA_FIFO_SIZE_MASK 0x0000ffff
/* DBM_GEVNTSIZ */
#define DBM_GEVNTSIZ_MASK 0x0000ffff
/* DBM_DBG_CNFG */
#define DBM_ENABLE_IOC_MASK 0x0000000f
/* DBM_SOFT_RESET */
#define DBM_SFT_RST_EP0 0x00000001
#define DBM_SFT_RST_EP1 0x00000002
#define DBM_SFT_RST_EP2 0x00000004
#define DBM_SFT_RST_EP3 0x00000008
#define DBM_SFT_RST_EPS_MASK 0x0000000F
#define DBM_SFT_RST_MASK 0x80000000
#define DBM_EN_MASK 0x00000002
/* DBM TRB configurations */
#define DBM_TRB_BIT 0x80000000
#define DBM_TRB_DATA_SRC 0x40000000
#define DBM_TRB_DMA 0x20000000
#define DBM_TRB_EP_NUM(ep) (ep<<24)
struct dbm;
struct dbm *usb_get_dbm_by_phandle(struct device *dev, const char *phandle);
int dbm_soft_reset(struct dbm *dbm, bool enter_reset);
int dbm_ep_config(struct dbm *dbm, u8 usb_ep, u8 bam_pipe, bool producer,
bool disable_wb, bool internal_mem, bool ioc);
int dbm_ep_unconfig(struct dbm *dbm, u8 usb_ep);
int dbm_get_num_of_eps_configured(struct dbm *dbm);
int dbm_event_buffer_config(struct dbm *dbm, u32 addr_lo, u32 addr_hi,
int size);
int dwc3_dbm_disable_update_xfer(struct dbm *dbm, u8 usb_ep);
int dbm_data_fifo_config(struct dbm *dbm, u8 dep_num, phys_addr_t addr,
u32 size, u8 dst_pipe_idx);
void dbm_set_speed(struct dbm *dbm, bool speed);
void dbm_enable(struct dbm *dbm);
int dbm_ep_soft_reset(struct dbm *dbm, u8 usb_ep, bool enter_reset);
bool dbm_reset_ep_after_lpm(struct dbm *dbm);
bool dbm_l1_lpm_interrupt(struct dbm *dbm);
#endif /* __DBM_H */
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