1
/* include/linux/usb/dwc3.h
3
* Copyright (c) 2012 Samsung Electronics Co. Ltd
5
* Designware SuperSpeed USB 3.0 DRD Controller global and OTG registers
7
* SPDX-License-Identifier: GPL-2.0+
13
/* Global constants */
14
#define DWC3_ENDPOINTS_NUM 32
16
#define DWC3_EVENT_BUFFERS_SIZE PAGE_SIZE
17
#define DWC3_EVENT_TYPE_MASK 0xfe
19
#define DWC3_EVENT_TYPE_DEV 0
20
#define DWC3_EVENT_TYPE_CARKIT 3
21
#define DWC3_EVENT_TYPE_I2C 4
23
#define DWC3_DEVICE_EVENT_DISCONNECT 0
24
#define DWC3_DEVICE_EVENT_RESET 1
25
#define DWC3_DEVICE_EVENT_CONNECT_DONE 2
26
#define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3
27
#define DWC3_DEVICE_EVENT_WAKEUP 4
28
#define DWC3_DEVICE_EVENT_EOPF 6
29
#define DWC3_DEVICE_EVENT_SOF 7
30
#define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9
31
#define DWC3_DEVICE_EVENT_CMD_CMPL 10
32
#define DWC3_DEVICE_EVENT_OVERFLOW 11
34
#define DWC3_GEVNTCOUNT_MASK 0xfffc
35
#define DWC3_GSNPSID_MASK 0xffff0000
36
#define DWC3_GSNPSID_SHIFT 16
37
#define DWC3_GSNPSREV_MASK 0xffff
39
#define DWC3_REVISION_MASK 0xffff
41
#define DWC3_REG_OFFSET 0xC100
43
struct g_event_buffer {
49
struct d_physical_endpoint {
56
struct dwc3 { /* offset: 0xC100 */
100
u32 g_usb2i2cctl[16];
101
u32 g_usb2phyacc[16];
102
u32 g_usb3pipectl[16];
107
struct g_event_buffer g_evnt_buf[32];
126
struct d_physical_endpoint d_phy_ep_cmd[32];
151
/* Global Configuration Register */
152
#define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19)
153
#define DWC3_GCTL_U2RSTECN (1 << 16)
154
#define DWC3_GCTL_RAMCLKSEL(x) \
155
(((x) & DWC3_GCTL_CLK_MASK) << 6)
156
#define DWC3_GCTL_CLK_BUS (0)
157
#define DWC3_GCTL_CLK_PIPE (1)
158
#define DWC3_GCTL_CLK_PIPEHALF (2)
159
#define DWC3_GCTL_CLK_MASK (3)
160
#define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12)
161
#define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12)
162
#define DWC3_GCTL_PRTCAP_HOST 1
163
#define DWC3_GCTL_PRTCAP_DEVICE 2
164
#define DWC3_GCTL_PRTCAP_OTG 3
165
#define DWC3_GCTL_CORESOFTRESET (1 << 11)
166
#define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
167
#define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
168
#define DWC3_GCTL_DISSCRAMBLE (1 << 3)
169
#define DWC3_GCTL_DSBLCLKGTNG (1 << 0)
171
/* Global HWPARAMS1 Register */
172
#define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24)
173
#define DWC3_GHWPARAMS1_EN_PWROPT_NO 0
174
#define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1
176
/* Global USB2 PHY Configuration Register */
177
#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)
178
#define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6)
180
/* Global USB3 PIPE Control Register */
181
#define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31)
182
#define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17)
184
/* Global TX Fifo Size Register */
185
#define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff)
186
#define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000)
188
#endif /* __DWC3_H_ */