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/* include/linux/usb/dwc3.h
*
* Copyright (c) 2012 Samsung Electronics Co. Ltd
*
* Designware SuperSpeed USB 3.0 DRD Controller global and OTG registers
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __DWC3_H_
#define __DWC3_H_
/* Global constants */
#define DWC3_ENDPOINTS_NUM 32
#define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE
#define DWC3_EVENT_TYPE_MASK 0xfe
#define DWC3_EVENT_TYPE_DEV 0
#define DWC3_EVENT_TYPE_CARKIT 3
#define DWC3_EVENT_TYPE_I2C 4
#define DWC3_DEVICE_EVENT_DISCONNECT 0
#define DWC3_DEVICE_EVENT_RESET 1
#define DWC3_DEVICE_EVENT_CONNECT_DONE 2
#define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3
#define DWC3_DEVICE_EVENT_WAKEUP 4
#define DWC3_DEVICE_EVENT_EOPF 6
#define DWC3_DEVICE_EVENT_SOF 7
#define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9
#define DWC3_DEVICE_EVENT_CMD_CMPL 10
#define DWC3_DEVICE_EVENT_OVERFLOW 11
#define DWC3_GEVNTCOUNT_MASK 0xfffc
#define DWC3_GSNPSID_MASK 0xffff0000
#define DWC3_GSNPSID_SHIFT 16
#define DWC3_GSNPSREV_MASK 0xffff
#define DWC3_REVISION_MASK 0xffff
#define DWC3_REG_OFFSET 0xC100
struct g_event_buffer {
u32 g_evntadrlo;
u32 g_evntadrhi;
u32 g_evntsiz;
u32 g_evntcount;
};
struct d_physical_endpoint {
u32 d_depcmdpar2;
u32 d_depcmdpar1;
u32 d_depcmdpar0;
u32 d_depcmd;
};
struct dwc3 { /* offset: 0xC100 */
u32 g_sbuscfg0;
u32 g_sbuscfg1;
u32 g_txthrcfg;
u32 g_rxthrcfg;
u32 g_ctl;
u32 reserved1;
u32 g_sts;
u32 reserved2;
u32 g_snpsid;
u32 g_gpio;
u32 g_uid;
u32 g_uctl;
u64 g_buserraddr;
u64 g_prtbimap;
u32 g_hwparams0;
u32 g_hwparams1;
u32 g_hwparams2;
u32 g_hwparams3;
u32 g_hwparams4;
u32 g_hwparams5;
u32 g_hwparams6;
u32 g_hwparams7;
u32 g_dbgfifospace;
u32 g_dbgltssm;
u32 g_dbglnmcc;
u32 g_dbgbmu;
u32 g_dbglspmux;
u32 g_dbglsp;
u32 g_dbgepinfo0;
u32 g_dbgepinfo1;
u64 g_prtbimap_hs;
u64 g_prtbimap_fs;
u32 reserved3[28];
u32 g_usb2phycfg[16];
u32 g_usb2i2cctl[16];
u32 g_usb2phyacc[16];
u32 g_usb3pipectl[16];
u32 g_txfifosiz[32];
u32 g_rxfifosiz[32];
struct g_event_buffer g_evnt_buf[32];
u32 g_hwparams8;
u32 reserved4[11];
u32 g_fladj;
u32 reserved5[51];
u32 d_cfg;
u32 d_ctl;
u32 d_evten;
u32 d_sts;
u32 d_gcmdpar;
u32 d_gcmd;
u32 reserved6[2];
u32 d_alepena;
u32 reserved7[55];
struct d_physical_endpoint d_phy_ep_cmd[32];
u32 reserved8[128];
u32 o_cfg;
u32 o_ctl;
u32 o_evt;
u32 o_evten;
u32 o_sts;
u32 reserved9[3];
u32 adp_cfg;
u32 adp_ctl;
u32 adp_evt;
u32 adp_evten;
u32 bc_cfg;
u32 reserved10;
u32 bc_evt;
u32 bc_evten;
};
/* Global Configuration Register */
#define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19)
#define DWC3_GCTL_U2RSTECN (1 << 16)
#define DWC3_GCTL_RAMCLKSEL(x) \
(((x) & DWC3_GCTL_CLK_MASK) << 6)
#define DWC3_GCTL_CLK_BUS (0)
#define DWC3_GCTL_CLK_PIPE (1)
#define DWC3_GCTL_CLK_PIPEHALF (2)
#define DWC3_GCTL_CLK_MASK (3)
#define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12)
#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12)
#define DWC3_GCTL_PRTCAP_HOST 1
#define DWC3_GCTL_PRTCAP_DEVICE 2
#define DWC3_GCTL_PRTCAP_OTG 3
#define DWC3_GCTL_CORESOFTRESET (1 << 11)
#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
/* Global HWPARAMS1 Register */
#define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24)
#define DWC3_GHWPARAMS1_EN_PWROPT_NO 0
#define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1
/* Global USB2 PHY Configuration Register */
#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)
#define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6)
/* Global USB3 PIPE Control Register */
#define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31)
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
/* Global TX Fifo Size Register */
#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff)
#define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000)
/* Device Control Register */
#define DWC3_DCTL_RUN_STOP (1 << 31)
#define DWC3_DCTL_CSFTRST (1 << 30)
#define DWC3_DCTL_LSFTRST (1 << 29)
/* Global Frame Length Adjustment Register */
#define GFLADJ_30MHZ_REG_SEL (1 << 7)
#define GFLADJ_30MHZ(n) ((n) & 0x3f)
#define GFLADJ_30MHZ_DEFAULT 0x20
#ifdef CONFIG_USB_XHCI_DWC3
void dwc3_set_mode(struct dwc3 *dwc3_reg, u32 mode);
void dwc3_core_soft_reset(struct dwc3 *dwc3_reg);
int dwc3_core_init(struct dwc3 *dwc3_reg);
void usb_phy_reset(struct dwc3 *dwc3_reg);
void dwc3_set_fladj(struct dwc3 *dwc3_reg, u32 val);
#endif
#endif /* __DWC3_H_ */
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