1 /* SPDX-License-Identifier: GPL-2.0 */
3 * core.h - DesignWare USB3 DRD Core Header
5 * Copyright (C) 2010-2011 Texas Instruments Incorporated - https://www.ti.com
7 * Authors: Felipe Balbi <balbi@ti.com>,
8 * Sebastian Andrzej Siewior <bigeasy@linutronix.de>
11 #ifndef __DRIVERS_USB_DWC3_CORE_H
12 #define __DRIVERS_USB_DWC3_CORE_H
14 #include <linux/device.h>
15 #include <linux/spinlock.h>
16 #include <linux/mutex.h>
17 #include <linux/ioport.h>
18 #include <linux/list.h>
19 #include <linux/bitops.h>
20 #include <linux/dma-mapping.h>
22 #include <linux/debugfs.h>
23 #include <linux/wait.h>
24 #include <linux/workqueue.h>
26 #include <linux/usb/ch9.h>
27 #include <linux/usb/gadget.h>
28 #include <linux/usb/otg.h>
29 #include <linux/usb/role.h>
30 #include <linux/ulpi/interface.h>
32 #include <linux/phy/phy.h>
34 #include <linux/power_supply.h>
36 #define DWC3_MSG_MAX 500
38 /* Global constants */
39 #define DWC3_PULL_UP_TIMEOUT 500 /* ms */
40 #define DWC3_BOUNCE_SIZE 1024 /* size of a superspeed bulk */
41 #define DWC3_EP0_SETUP_SIZE 512
42 #define DWC3_ENDPOINTS_NUM 32
43 #define DWC3_XHCI_RESOURCES_NUM 2
44 #define DWC3_ISOC_MAX_RETRIES 5
46 #define DWC3_SCRATCHBUF_SIZE 4096 /* each buffer is assumed to be 4KiB */
47 #define DWC3_EVENT_BUFFERS_SIZE 4096
48 #define DWC3_EVENT_TYPE_MASK 0xfe
50 #define DWC3_EVENT_TYPE_DEV 0
51 #define DWC3_EVENT_TYPE_CARKIT 3
52 #define DWC3_EVENT_TYPE_I2C 4
54 #define DWC3_DEVICE_EVENT_DISCONNECT 0
55 #define DWC3_DEVICE_EVENT_RESET 1
56 #define DWC3_DEVICE_EVENT_CONNECT_DONE 2
57 #define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3
58 #define DWC3_DEVICE_EVENT_WAKEUP 4
59 #define DWC3_DEVICE_EVENT_HIBER_REQ 5
60 #define DWC3_DEVICE_EVENT_SUSPEND 6
61 #define DWC3_DEVICE_EVENT_SOF 7
62 #define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9
63 #define DWC3_DEVICE_EVENT_CMD_CMPL 10
64 #define DWC3_DEVICE_EVENT_OVERFLOW 11
66 /* Controller's role while using the OTG block */
67 #define DWC3_OTG_ROLE_IDLE 0
68 #define DWC3_OTG_ROLE_HOST 1
69 #define DWC3_OTG_ROLE_DEVICE 2
71 #define DWC3_GEVNTCOUNT_MASK 0xfffc
72 #define DWC3_GEVNTCOUNT_EHB BIT(31)
73 #define DWC3_GSNPSID_MASK 0xffff0000
74 #define DWC3_GSNPSREV_MASK 0xffff
75 #define DWC3_GSNPS_ID(p) (((p) & DWC3_GSNPSID_MASK) >> 16)
77 /* DWC3 registers memory space boundries */
78 #define DWC3_XHCI_REGS_START 0x0
79 #define DWC3_XHCI_REGS_END 0x7fff
80 #define DWC3_GLOBALS_REGS_START 0xc100
81 #define DWC3_GLOBALS_REGS_END 0xc6ff
82 #define DWC3_DEVICE_REGS_START 0xc700
83 #define DWC3_DEVICE_REGS_END 0xcbff
84 #define DWC3_OTG_REGS_START 0xcc00
85 #define DWC3_OTG_REGS_END 0xccff
87 /* Global Registers */
88 #define DWC3_GSBUSCFG0 0xc100
89 #define DWC3_GSBUSCFG1 0xc104
90 #define DWC3_GTXTHRCFG 0xc108
91 #define DWC3_GRXTHRCFG 0xc10c
92 #define DWC3_GCTL 0xc110
93 #define DWC3_GEVTEN 0xc114
94 #define DWC3_GSTS 0xc118
95 #define DWC3_GUCTL1 0xc11c
96 #define DWC3_GSNPSID 0xc120
97 #define DWC3_GGPIO 0xc124
98 #define DWC3_GUID 0xc128
99 #define DWC3_GUCTL 0xc12c
100 #define DWC3_GBUSERRADDR0 0xc130
101 #define DWC3_GBUSERRADDR1 0xc134
102 #define DWC3_GPRTBIMAP0 0xc138
103 #define DWC3_GPRTBIMAP1 0xc13c
104 #define DWC3_GHWPARAMS0 0xc140
105 #define DWC3_GHWPARAMS1 0xc144
106 #define DWC3_GHWPARAMS2 0xc148
107 #define DWC3_GHWPARAMS3 0xc14c
108 #define DWC3_GHWPARAMS4 0xc150
109 #define DWC3_GHWPARAMS5 0xc154
110 #define DWC3_GHWPARAMS6 0xc158
111 #define DWC3_GHWPARAMS7 0xc15c
112 #define DWC3_GDBGFIFOSPACE 0xc160
113 #define DWC3_GDBGLTSSM 0xc164
114 #define DWC3_GDBGBMU 0xc16c
115 #define DWC3_GDBGLSPMUX 0xc170
116 #define DWC3_GDBGLSP 0xc174
117 #define DWC3_GDBGEPINFO0 0xc178
118 #define DWC3_GDBGEPINFO1 0xc17c
119 #define DWC3_GPRTBIMAP_HS0 0xc180
120 #define DWC3_GPRTBIMAP_HS1 0xc184
121 #define DWC3_GPRTBIMAP_FS0 0xc188
122 #define DWC3_GPRTBIMAP_FS1 0xc18c
123 #define DWC3_GUCTL2 0xc19c
125 #define DWC3_VER_NUMBER 0xc1a0
126 #define DWC3_VER_TYPE 0xc1a4
128 #define DWC3_GUSB2PHYCFG(n) (0xc200 + ((n) * 0x04))
129 #define DWC3_GUSB2I2CCTL(n) (0xc240 + ((n) * 0x04))
131 #define DWC3_GUSB2PHYACC(n) (0xc280 + ((n) * 0x04))
133 #define DWC3_GUSB3PIPECTL(n) (0xc2c0 + ((n) * 0x04))
135 #define DWC3_GTXFIFOSIZ(n) (0xc300 + ((n) * 0x04))
136 #define DWC3_GRXFIFOSIZ(n) (0xc380 + ((n) * 0x04))
138 #define DWC3_GEVNTADRLO(n) (0xc400 + ((n) * 0x10))
139 #define DWC3_GEVNTADRHI(n) (0xc404 + ((n) * 0x10))
140 #define DWC3_GEVNTSIZ(n) (0xc408 + ((n) * 0x10))
141 #define DWC3_GEVNTCOUNT(n) (0xc40c + ((n) * 0x10))
143 #define DWC3_GHWPARAMS8 0xc600
144 #define DWC3_GUCTL3 0xc60c
145 #define DWC3_GFLADJ 0xc630
146 #define DWC3_GHWPARAMS9 0xc6e0
148 /* Device Registers */
149 #define DWC3_DCFG 0xc700
150 #define DWC3_DCTL 0xc704
151 #define DWC3_DEVTEN 0xc708
152 #define DWC3_DSTS 0xc70c
153 #define DWC3_DGCMDPAR 0xc710
154 #define DWC3_DGCMD 0xc714
155 #define DWC3_DALEPENA 0xc720
156 #define DWC3_DCFG1 0xc740 /* DWC_usb32 only */
158 #define DWC3_DEP_BASE(n) (0xc800 + ((n) * 0x10))
159 #define DWC3_DEPCMDPAR2 0x00
160 #define DWC3_DEPCMDPAR1 0x04
161 #define DWC3_DEPCMDPAR0 0x08
162 #define DWC3_DEPCMD 0x0c
164 #define DWC3_DEV_IMOD(n) (0xca00 + ((n) * 0x4))
167 #define DWC3_OCFG 0xcc00
168 #define DWC3_OCTL 0xcc04
169 #define DWC3_OEVT 0xcc08
170 #define DWC3_OEVTEN 0xcc0C
171 #define DWC3_OSTS 0xcc10
175 /* Global SoC Bus Configuration INCRx Register 0 */
176 #define DWC3_GSBUSCFG0_INCR256BRSTENA (1 << 7) /* INCR256 burst */
177 #define DWC3_GSBUSCFG0_INCR128BRSTENA (1 << 6) /* INCR128 burst */
178 #define DWC3_GSBUSCFG0_INCR64BRSTENA (1 << 5) /* INCR64 burst */
179 #define DWC3_GSBUSCFG0_INCR32BRSTENA (1 << 4) /* INCR32 burst */
180 #define DWC3_GSBUSCFG0_INCR16BRSTENA (1 << 3) /* INCR16 burst */
181 #define DWC3_GSBUSCFG0_INCR8BRSTENA (1 << 2) /* INCR8 burst */
182 #define DWC3_GSBUSCFG0_INCR4BRSTENA (1 << 1) /* INCR4 burst */
183 #define DWC3_GSBUSCFG0_INCRBRSTENA (1 << 0) /* undefined length enable */
184 #define DWC3_GSBUSCFG0_INCRBRST_MASK 0xff
186 /* Global Debug LSP MUX Select */
187 #define DWC3_GDBGLSPMUX_ENDBC BIT(15) /* Host only */
188 #define DWC3_GDBGLSPMUX_HOSTSELECT(n) ((n) & 0x3fff)
189 #define DWC3_GDBGLSPMUX_DEVSELECT(n) (((n) & 0xf) << 4)
190 #define DWC3_GDBGLSPMUX_EPSELECT(n) ((n) & 0xf)
192 /* Global Debug Queue/FIFO Space Available Register */
193 #define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f)
194 #define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0)
195 #define DWC3_GDBGFIFOSPACE_SPACE_AVAILABLE(n) (((n) >> 16) & 0xffff)
197 #define DWC3_TXFIFO 0
198 #define DWC3_RXFIFO 1
199 #define DWC3_TXREQQ 2
200 #define DWC3_RXREQQ 3
201 #define DWC3_RXINFOQ 4
202 #define DWC3_PSTATQ 5
203 #define DWC3_DESCFETCHQ 6
204 #define DWC3_EVENTQ 7
205 #define DWC3_AUXEVENTQ 8
207 /* Global RX Threshold Configuration Register */
208 #define DWC3_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 19)
209 #define DWC3_GRXTHRCFG_RXPKTCNT(n) (((n) & 0xf) << 24)
210 #define DWC3_GRXTHRCFG_PKTCNTSEL BIT(29)
212 /* Global RX Threshold Configuration Register for DWC_usb31 only */
213 #define DWC31_GRXTHRCFG_MAXRXBURSTSIZE(n) (((n) & 0x1f) << 16)
214 #define DWC31_GRXTHRCFG_RXPKTCNT(n) (((n) & 0x1f) << 21)
215 #define DWC31_GRXTHRCFG_PKTCNTSEL BIT(26)
216 #define DWC31_RXTHRNUMPKTSEL_HS_PRD BIT(15)
217 #define DWC31_RXTHRNUMPKT_HS_PRD(n) (((n) & 0x3) << 13)
218 #define DWC31_RXTHRNUMPKTSEL_PRD BIT(10)
219 #define DWC31_RXTHRNUMPKT_PRD(n) (((n) & 0x1f) << 5)
220 #define DWC31_MAXRXBURSTSIZE_PRD(n) ((n) & 0x1f)
222 /* Global TX Threshold Configuration Register for DWC_usb31 only */
223 #define DWC31_GTXTHRCFG_MAXTXBURSTSIZE(n) (((n) & 0x1f) << 16)
224 #define DWC31_GTXTHRCFG_TXPKTCNT(n) (((n) & 0x1f) << 21)
225 #define DWC31_GTXTHRCFG_PKTCNTSEL BIT(26)
226 #define DWC31_TXTHRNUMPKTSEL_HS_PRD BIT(15)
227 #define DWC31_TXTHRNUMPKT_HS_PRD(n) (((n) & 0x3) << 13)
228 #define DWC31_TXTHRNUMPKTSEL_PRD BIT(10)
229 #define DWC31_TXTHRNUMPKT_PRD(n) (((n) & 0x1f) << 5)
230 #define DWC31_MAXTXBURSTSIZE_PRD(n) ((n) & 0x1f)
232 /* Global Configuration Register */
233 #define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19)
234 #define DWC3_GCTL_U2RSTECN BIT(16)
235 #define DWC3_GCTL_RAMCLKSEL(x) (((x) & DWC3_GCTL_CLK_MASK) << 6)
236 #define DWC3_GCTL_CLK_BUS (0)
237 #define DWC3_GCTL_CLK_PIPE (1)
238 #define DWC3_GCTL_CLK_PIPEHALF (2)
239 #define DWC3_GCTL_CLK_MASK (3)
241 #define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12)
242 #define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12)
243 #define DWC3_GCTL_PRTCAP_HOST 1
244 #define DWC3_GCTL_PRTCAP_DEVICE 2
245 #define DWC3_GCTL_PRTCAP_OTG 3
247 #define DWC3_GCTL_CORESOFTRESET BIT(11)
248 #define DWC3_GCTL_SOFITPSYNC BIT(10)
249 #define DWC3_GCTL_SCALEDOWN(n) ((n) << 4)
250 #define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3)
251 #define DWC3_GCTL_DISSCRAMBLE BIT(3)
252 #define DWC3_GCTL_U2EXIT_LFPS BIT(2)
253 #define DWC3_GCTL_GBLHIBERNATIONEN BIT(1)
254 #define DWC3_GCTL_DSBLCLKGTNG BIT(0)
256 /* Global User Control Register */
257 #define DWC3_GUCTL_HSTINAUTORETRY BIT(14)
259 /* Global User Control 1 Register */
260 #define DWC3_GUCTL1_DEV_DECOUPLE_L1L2_EVT BIT(31)
261 #define DWC3_GUCTL1_TX_IPGAP_LINECHECK_DIS BIT(28)
262 #define DWC3_GUCTL1_DEV_L1_EXIT_BY_HW BIT(24)
263 #define DWC3_GUCTL1_PARKMODE_DISABLE_SS BIT(17)
265 /* Global Status Register */
266 #define DWC3_GSTS_OTG_IP BIT(10)
267 #define DWC3_GSTS_BC_IP BIT(9)
268 #define DWC3_GSTS_ADP_IP BIT(8)
269 #define DWC3_GSTS_HOST_IP BIT(7)
270 #define DWC3_GSTS_DEVICE_IP BIT(6)
271 #define DWC3_GSTS_CSR_TIMEOUT BIT(5)
272 #define DWC3_GSTS_BUS_ERR_ADDR_VLD BIT(4)
273 #define DWC3_GSTS_CURMOD(n) ((n) & 0x3)
274 #define DWC3_GSTS_CURMOD_DEVICE 0
275 #define DWC3_GSTS_CURMOD_HOST 1
277 /* Global USB2 PHY Configuration Register */
278 #define DWC3_GUSB2PHYCFG_PHYSOFTRST BIT(31)
279 #define DWC3_GUSB2PHYCFG_U2_FREECLK_EXISTS BIT(30)
280 #define DWC3_GUSB2PHYCFG_SUSPHY BIT(6)
281 #define DWC3_GUSB2PHYCFG_ULPI_UTMI BIT(4)
282 #define DWC3_GUSB2PHYCFG_ENBLSLPM BIT(8)
283 #define DWC3_GUSB2PHYCFG_PHYIF(n) (n << 3)
284 #define DWC3_GUSB2PHYCFG_PHYIF_MASK DWC3_GUSB2PHYCFG_PHYIF(1)
285 #define DWC3_GUSB2PHYCFG_USBTRDTIM(n) (n << 10)
286 #define DWC3_GUSB2PHYCFG_USBTRDTIM_MASK DWC3_GUSB2PHYCFG_USBTRDTIM(0xf)
287 #define USBTRDTIM_UTMI_8_BIT 9
288 #define USBTRDTIM_UTMI_16_BIT 5
289 #define UTMI_PHYIF_16_BIT 1
290 #define UTMI_PHYIF_8_BIT 0
292 /* Global USB2 PHY Vendor Control Register */
293 #define DWC3_GUSB2PHYACC_NEWREGREQ BIT(25)
294 #define DWC3_GUSB2PHYACC_DONE BIT(24)
295 #define DWC3_GUSB2PHYACC_BUSY BIT(23)
296 #define DWC3_GUSB2PHYACC_WRITE BIT(22)
297 #define DWC3_GUSB2PHYACC_ADDR(n) (n << 16)
298 #define DWC3_GUSB2PHYACC_EXTEND_ADDR(n) (n << 8)
299 #define DWC3_GUSB2PHYACC_DATA(n) (n & 0xff)
301 /* Global USB3 PIPE Control Register */
302 #define DWC3_GUSB3PIPECTL_PHYSOFTRST BIT(31)
303 #define DWC3_GUSB3PIPECTL_U2SSINP3OK BIT(29)
304 #define DWC3_GUSB3PIPECTL_DISRXDETINP3 BIT(28)
305 #define DWC3_GUSB3PIPECTL_UX_EXIT_PX BIT(27)
306 #define DWC3_GUSB3PIPECTL_REQP1P2P3 BIT(24)
307 #define DWC3_GUSB3PIPECTL_DEP1P2P3(n) ((n) << 19)
308 #define DWC3_GUSB3PIPECTL_DEP1P2P3_MASK DWC3_GUSB3PIPECTL_DEP1P2P3(7)
309 #define DWC3_GUSB3PIPECTL_DEP1P2P3_EN DWC3_GUSB3PIPECTL_DEP1P2P3(1)
310 #define DWC3_GUSB3PIPECTL_DEPOCHANGE BIT(18)
311 #define DWC3_GUSB3PIPECTL_SUSPHY BIT(17)
312 #define DWC3_GUSB3PIPECTL_LFPSFILT BIT(9)
313 #define DWC3_GUSB3PIPECTL_RX_DETOPOLL BIT(8)
314 #define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3)
315 #define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1)
317 /* Global TX Fifo Size Register */
318 #define DWC31_GTXFIFOSIZ_TXFRAMNUM BIT(15) /* DWC_usb31 only */
319 #define DWC31_GTXFIFOSIZ_TXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */
320 #define DWC3_GTXFIFOSIZ_TXFDEP(n) ((n) & 0xffff)
321 #define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000)
323 /* Global RX Fifo Size Register */
324 #define DWC31_GRXFIFOSIZ_RXFDEP(n) ((n) & 0x7fff) /* DWC_usb31 only */
325 #define DWC3_GRXFIFOSIZ_RXFDEP(n) ((n) & 0xffff)
327 /* Global Event Size Registers */
328 #define DWC3_GEVNTSIZ_INTMASK BIT(31)
329 #define DWC3_GEVNTSIZ_SIZE(n) ((n) & 0xffff)
331 /* Global HWPARAMS0 Register */
332 #define DWC3_GHWPARAMS0_MODE(n) ((n) & 0x3)
333 #define DWC3_GHWPARAMS0_MODE_GADGET 0
334 #define DWC3_GHWPARAMS0_MODE_HOST 1
335 #define DWC3_GHWPARAMS0_MODE_DRD 2
336 #define DWC3_GHWPARAMS0_MBUS_TYPE(n) (((n) >> 3) & 0x7)
337 #define DWC3_GHWPARAMS0_SBUS_TYPE(n) (((n) >> 6) & 0x3)
338 #define DWC3_GHWPARAMS0_MDWIDTH(n) (((n) >> 8) & 0xff)
339 #define DWC3_GHWPARAMS0_SDWIDTH(n) (((n) >> 16) & 0xff)
340 #define DWC3_GHWPARAMS0_AWIDTH(n) (((n) >> 24) & 0xff)
342 /* Global HWPARAMS1 Register */
343 #define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24)
344 #define DWC3_GHWPARAMS1_EN_PWROPT_NO 0
345 #define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1
346 #define DWC3_GHWPARAMS1_EN_PWROPT_HIB 2
347 #define DWC3_GHWPARAMS1_PWROPT(n) ((n) << 24)
348 #define DWC3_GHWPARAMS1_PWROPT_MASK DWC3_GHWPARAMS1_PWROPT(3)
349 #define DWC3_GHWPARAMS1_ENDBC BIT(31)
351 /* Global HWPARAMS3 Register */
352 #define DWC3_GHWPARAMS3_SSPHY_IFC(n) ((n) & 3)
353 #define DWC3_GHWPARAMS3_SSPHY_IFC_DIS 0
354 #define DWC3_GHWPARAMS3_SSPHY_IFC_GEN1 1
355 #define DWC3_GHWPARAMS3_SSPHY_IFC_GEN2 2 /* DWC_usb31 only */
356 #define DWC3_GHWPARAMS3_HSPHY_IFC(n) (((n) & (3 << 2)) >> 2)
357 #define DWC3_GHWPARAMS3_HSPHY_IFC_DIS 0
358 #define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI 1
359 #define DWC3_GHWPARAMS3_HSPHY_IFC_ULPI 2
360 #define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI 3
361 #define DWC3_GHWPARAMS3_FSPHY_IFC(n) (((n) & (3 << 4)) >> 4)
362 #define DWC3_GHWPARAMS3_FSPHY_IFC_DIS 0
363 #define DWC3_GHWPARAMS3_FSPHY_IFC_ENA 1
365 /* Global HWPARAMS4 Register */
366 #define DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(n) (((n) & (0x0f << 13)) >> 13)
367 #define DWC3_MAX_HIBER_SCRATCHBUFS 15
369 /* Global HWPARAMS6 Register */
370 #define DWC3_GHWPARAMS6_BCSUPPORT BIT(14)
371 #define DWC3_GHWPARAMS6_OTG3SUPPORT BIT(13)
372 #define DWC3_GHWPARAMS6_ADPSUPPORT BIT(12)
373 #define DWC3_GHWPARAMS6_HNPSUPPORT BIT(11)
374 #define DWC3_GHWPARAMS6_SRPSUPPORT BIT(10)
375 #define DWC3_GHWPARAMS6_EN_FPGA BIT(7)
378 #define DWC3_GHWPARAMS6_MDWIDTH(n) ((n) & (0x3 << 8))
380 /* Global HWPARAMS7 Register */
381 #define DWC3_GHWPARAMS7_RAM1_DEPTH(n) ((n) & 0xffff)
382 #define DWC3_GHWPARAMS7_RAM2_DEPTH(n) (((n) >> 16) & 0xffff)
384 /* Global HWPARAMS9 Register */
385 #define DWC3_GHWPARAMS9_DEV_TXF_FLUSH_BYPASS BIT(0)
386 #define DWC3_GHWPARAMS9_DEV_MST BIT(1)
388 /* Global Frame Length Adjustment Register */
389 #define DWC3_GFLADJ_30MHZ_SDBND_SEL BIT(7)
390 #define DWC3_GFLADJ_30MHZ_MASK 0x3f
392 /* Global User Control Register*/
393 #define DWC3_GUCTL_REFCLKPER_MASK 0xffc00000
394 #define DWC3_GUCTL_REFCLKPER_SEL 22
396 /* Global User Control Register 2 */
397 #define DWC3_GUCTL2_RST_ACTBITLATER BIT(14)
399 /* Global User Control Register 3 */
400 #define DWC3_GUCTL3_SPLITDISABLE BIT(14)
402 /* Device Configuration Register */
403 #define DWC3_DCFG_NUMLANES(n) (((n) & 0x3) << 30) /* DWC_usb32 only */
405 #define DWC3_DCFG_DEVADDR(addr) ((addr) << 3)
406 #define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f)
408 #define DWC3_DCFG_SPEED_MASK (7 << 0)
409 #define DWC3_DCFG_SUPERSPEED_PLUS (5 << 0) /* DWC_usb31 only */
410 #define DWC3_DCFG_SUPERSPEED (4 << 0)
411 #define DWC3_DCFG_HIGHSPEED (0 << 0)
412 #define DWC3_DCFG_FULLSPEED BIT(0)
414 #define DWC3_DCFG_NUMP_SHIFT 17
415 #define DWC3_DCFG_NUMP(n) (((n) >> DWC3_DCFG_NUMP_SHIFT) & 0x1f)
416 #define DWC3_DCFG_NUMP_MASK (0x1f << DWC3_DCFG_NUMP_SHIFT)
417 #define DWC3_DCFG_LPM_CAP BIT(22)
418 #define DWC3_DCFG_IGNSTRMPP BIT(23)
420 /* Device Control Register */
421 #define DWC3_DCTL_RUN_STOP BIT(31)
422 #define DWC3_DCTL_CSFTRST BIT(30)
423 #define DWC3_DCTL_LSFTRST BIT(29)
425 #define DWC3_DCTL_HIRD_THRES_MASK (0x1f << 24)
426 #define DWC3_DCTL_HIRD_THRES(n) ((n) << 24)
428 #define DWC3_DCTL_APPL1RES BIT(23)
430 /* These apply for core versions 1.87a and earlier */
431 #define DWC3_DCTL_TRGTULST_MASK (0x0f << 17)
432 #define DWC3_DCTL_TRGTULST(n) ((n) << 17)
433 #define DWC3_DCTL_TRGTULST_U2 (DWC3_DCTL_TRGTULST(2))
434 #define DWC3_DCTL_TRGTULST_U3 (DWC3_DCTL_TRGTULST(3))
435 #define DWC3_DCTL_TRGTULST_SS_DIS (DWC3_DCTL_TRGTULST(4))
436 #define DWC3_DCTL_TRGTULST_RX_DET (DWC3_DCTL_TRGTULST(5))
437 #define DWC3_DCTL_TRGTULST_SS_INACT (DWC3_DCTL_TRGTULST(6))
439 /* These apply for core versions 1.94a and later */
440 #define DWC3_DCTL_NYET_THRES(n) (((n) & 0xf) << 20)
442 #define DWC3_DCTL_KEEP_CONNECT BIT(19)
443 #define DWC3_DCTL_L1_HIBER_EN BIT(18)
444 #define DWC3_DCTL_CRS BIT(17)
445 #define DWC3_DCTL_CSS BIT(16)
447 #define DWC3_DCTL_INITU2ENA BIT(12)
448 #define DWC3_DCTL_ACCEPTU2ENA BIT(11)
449 #define DWC3_DCTL_INITU1ENA BIT(10)
450 #define DWC3_DCTL_ACCEPTU1ENA BIT(9)
451 #define DWC3_DCTL_TSTCTRL_MASK (0xf << 1)
453 #define DWC3_DCTL_ULSTCHNGREQ_MASK (0x0f << 5)
454 #define DWC3_DCTL_ULSTCHNGREQ(n) (((n) << 5) & DWC3_DCTL_ULSTCHNGREQ_MASK)
456 #define DWC3_DCTL_ULSTCHNG_NO_ACTION (DWC3_DCTL_ULSTCHNGREQ(0))
457 #define DWC3_DCTL_ULSTCHNG_SS_DISABLED (DWC3_DCTL_ULSTCHNGREQ(4))
458 #define DWC3_DCTL_ULSTCHNG_RX_DETECT (DWC3_DCTL_ULSTCHNGREQ(5))
459 #define DWC3_DCTL_ULSTCHNG_SS_INACTIVE (DWC3_DCTL_ULSTCHNGREQ(6))
460 #define DWC3_DCTL_ULSTCHNG_RECOVERY (DWC3_DCTL_ULSTCHNGREQ(8))
461 #define DWC3_DCTL_ULSTCHNG_COMPLIANCE (DWC3_DCTL_ULSTCHNGREQ(10))
462 #define DWC3_DCTL_ULSTCHNG_LOOPBACK (DWC3_DCTL_ULSTCHNGREQ(11))
464 /* Device Event Enable Register */
465 #define DWC3_DEVTEN_VNDRDEVTSTRCVEDEN BIT(12)
466 #define DWC3_DEVTEN_EVNTOVERFLOWEN BIT(11)
467 #define DWC3_DEVTEN_CMDCMPLTEN BIT(10)
468 #define DWC3_DEVTEN_ERRTICERREN BIT(9)
469 #define DWC3_DEVTEN_SOFEN BIT(7)
470 #define DWC3_DEVTEN_U3L2L1SUSPEN BIT(6)
471 #define DWC3_DEVTEN_HIBERNATIONREQEVTEN BIT(5)
472 #define DWC3_DEVTEN_WKUPEVTEN BIT(4)
473 #define DWC3_DEVTEN_ULSTCNGEN BIT(3)
474 #define DWC3_DEVTEN_CONNECTDONEEN BIT(2)
475 #define DWC3_DEVTEN_USBRSTEN BIT(1)
476 #define DWC3_DEVTEN_DISCONNEVTEN BIT(0)
478 #define DWC3_DSTS_CONNLANES(n) (((n) >> 30) & 0x3) /* DWC_usb32 only */
480 /* Device Status Register */
481 #define DWC3_DSTS_DCNRD BIT(29)
483 /* This applies for core versions 1.87a and earlier */
484 #define DWC3_DSTS_PWRUPREQ BIT(24)
486 /* These apply for core versions 1.94a and later */
487 #define DWC3_DSTS_RSS BIT(25)
488 #define DWC3_DSTS_SSS BIT(24)
490 #define DWC3_DSTS_COREIDLE BIT(23)
491 #define DWC3_DSTS_DEVCTRLHLT BIT(22)
493 #define DWC3_DSTS_USBLNKST_MASK (0x0f << 18)
494 #define DWC3_DSTS_USBLNKST(n) (((n) & DWC3_DSTS_USBLNKST_MASK) >> 18)
496 #define DWC3_DSTS_RXFIFOEMPTY BIT(17)
498 #define DWC3_DSTS_SOFFN_MASK (0x3fff << 3)
499 #define DWC3_DSTS_SOFFN(n) (((n) & DWC3_DSTS_SOFFN_MASK) >> 3)
501 #define DWC3_DSTS_CONNECTSPD (7 << 0)
503 #define DWC3_DSTS_SUPERSPEED_PLUS (5 << 0) /* DWC_usb31 only */
504 #define DWC3_DSTS_SUPERSPEED (4 << 0)
505 #define DWC3_DSTS_HIGHSPEED (0 << 0)
506 #define DWC3_DSTS_FULLSPEED BIT(0)
508 /* Device Generic Command Register */
509 #define DWC3_DGCMD_SET_LMP 0x01
510 #define DWC3_DGCMD_SET_PERIODIC_PAR 0x02
511 #define DWC3_DGCMD_XMIT_FUNCTION 0x03
513 /* These apply for core versions 1.94a and later */
514 #define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO 0x04
515 #define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI 0x05
517 #define DWC3_DGCMD_SELECTED_FIFO_FLUSH 0x09
518 #define DWC3_DGCMD_ALL_FIFO_FLUSH 0x0a
519 #define DWC3_DGCMD_SET_ENDPOINT_NRDY 0x0c
520 #define DWC3_DGCMD_SET_ENDPOINT_PRIME 0x0d
521 #define DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK 0x10
523 #define DWC3_DGCMD_STATUS(n) (((n) >> 12) & 0x0F)
524 #define DWC3_DGCMD_CMDACT BIT(10)
525 #define DWC3_DGCMD_CMDIOC BIT(8)
527 /* Device Generic Command Parameter Register */
528 #define DWC3_DGCMDPAR_FORCE_LINKPM_ACCEPT BIT(0)
529 #define DWC3_DGCMDPAR_FIFO_NUM(n) ((n) << 0)
530 #define DWC3_DGCMDPAR_RX_FIFO (0 << 5)
531 #define DWC3_DGCMDPAR_TX_FIFO BIT(5)
532 #define DWC3_DGCMDPAR_LOOPBACK_DIS (0 << 0)
533 #define DWC3_DGCMDPAR_LOOPBACK_ENA BIT(0)
535 /* Device Endpoint Command Register */
536 #define DWC3_DEPCMD_PARAM_SHIFT 16
537 #define DWC3_DEPCMD_PARAM(x) ((x) << DWC3_DEPCMD_PARAM_SHIFT)
538 #define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f)
539 #define DWC3_DEPCMD_STATUS(x) (((x) >> 12) & 0x0F)
540 #define DWC3_DEPCMD_HIPRI_FORCERM BIT(11)
541 #define DWC3_DEPCMD_CLEARPENDIN BIT(11)
542 #define DWC3_DEPCMD_CMDACT BIT(10)
543 #define DWC3_DEPCMD_CMDIOC BIT(8)
545 #define DWC3_DEPCMD_DEPSTARTCFG (0x09 << 0)
546 #define DWC3_DEPCMD_ENDTRANSFER (0x08 << 0)
547 #define DWC3_DEPCMD_UPDATETRANSFER (0x07 << 0)
548 #define DWC3_DEPCMD_STARTTRANSFER (0x06 << 0)
549 #define DWC3_DEPCMD_CLEARSTALL (0x05 << 0)
550 #define DWC3_DEPCMD_SETSTALL (0x04 << 0)
551 /* This applies for core versions 1.90a and earlier */
552 #define DWC3_DEPCMD_GETSEQNUMBER (0x03 << 0)
553 /* This applies for core versions 1.94a and later */
554 #define DWC3_DEPCMD_GETEPSTATE (0x03 << 0)
555 #define DWC3_DEPCMD_SETTRANSFRESOURCE (0x02 << 0)
556 #define DWC3_DEPCMD_SETEPCONFIG (0x01 << 0)
558 #define DWC3_DEPCMD_CMD(x) ((x) & 0xf)
560 /* The EP number goes 0..31 so ep0 is always out and ep1 is always in */
561 #define DWC3_DALEPENA_EP(n) BIT(n)
563 /* DWC_usb32 DCFG1 config */
564 #define DWC3_DCFG1_DIS_MST_ENH BIT(1)
566 #define DWC3_DEPCMD_TYPE_CONTROL 0
567 #define DWC3_DEPCMD_TYPE_ISOC 1
568 #define DWC3_DEPCMD_TYPE_BULK 2
569 #define DWC3_DEPCMD_TYPE_INTR 3
571 #define DWC3_DEV_IMOD_COUNT_SHIFT 16
572 #define DWC3_DEV_IMOD_COUNT_MASK (0xffff << 16)
573 #define DWC3_DEV_IMOD_INTERVAL_SHIFT 0
574 #define DWC3_DEV_IMOD_INTERVAL_MASK (0xffff << 0)
576 /* OTG Configuration Register */
577 #define DWC3_OCFG_DISPWRCUTTOFF BIT(5)
578 #define DWC3_OCFG_HIBDISMASK BIT(4)
579 #define DWC3_OCFG_SFTRSTMASK BIT(3)
580 #define DWC3_OCFG_OTGVERSION BIT(2)
581 #define DWC3_OCFG_HNPCAP BIT(1)
582 #define DWC3_OCFG_SRPCAP BIT(0)
584 /* OTG CTL Register */
585 #define DWC3_OCTL_OTG3GOERR BIT(7)
586 #define DWC3_OCTL_PERIMODE BIT(6)
587 #define DWC3_OCTL_PRTPWRCTL BIT(5)
588 #define DWC3_OCTL_HNPREQ BIT(4)
589 #define DWC3_OCTL_SESREQ BIT(3)
590 #define DWC3_OCTL_TERMSELIDPULSE BIT(2)
591 #define DWC3_OCTL_DEVSETHNPEN BIT(1)
592 #define DWC3_OCTL_HSTSETHNPEN BIT(0)
594 /* OTG Event Register */
595 #define DWC3_OEVT_DEVICEMODE BIT(31)
596 #define DWC3_OEVT_XHCIRUNSTPSET BIT(27)
597 #define DWC3_OEVT_DEVRUNSTPSET BIT(26)
598 #define DWC3_OEVT_HIBENTRY BIT(25)
599 #define DWC3_OEVT_CONIDSTSCHNG BIT(24)
600 #define DWC3_OEVT_HRRCONFNOTIF BIT(23)
601 #define DWC3_OEVT_HRRINITNOTIF BIT(22)
602 #define DWC3_OEVT_ADEVIDLE BIT(21)
603 #define DWC3_OEVT_ADEVBHOSTEND BIT(20)
604 #define DWC3_OEVT_ADEVHOST BIT(19)
605 #define DWC3_OEVT_ADEVHNPCHNG BIT(18)
606 #define DWC3_OEVT_ADEVSRPDET BIT(17)
607 #define DWC3_OEVT_ADEVSESSENDDET BIT(16)
608 #define DWC3_OEVT_BDEVBHOSTEND BIT(11)
609 #define DWC3_OEVT_BDEVHNPCHNG BIT(10)
610 #define DWC3_OEVT_BDEVSESSVLDDET BIT(9)
611 #define DWC3_OEVT_BDEVVBUSCHNG BIT(8)
612 #define DWC3_OEVT_BSESSVLD BIT(3)
613 #define DWC3_OEVT_HSTNEGSTS BIT(2)
614 #define DWC3_OEVT_SESREQSTS BIT(1)
615 #define DWC3_OEVT_ERROR BIT(0)
617 /* OTG Event Enable Register */
618 #define DWC3_OEVTEN_XHCIRUNSTPSETEN BIT(27)
619 #define DWC3_OEVTEN_DEVRUNSTPSETEN BIT(26)
620 #define DWC3_OEVTEN_HIBENTRYEN BIT(25)
621 #define DWC3_OEVTEN_CONIDSTSCHNGEN BIT(24)
622 #define DWC3_OEVTEN_HRRCONFNOTIFEN BIT(23)
623 #define DWC3_OEVTEN_HRRINITNOTIFEN BIT(22)
624 #define DWC3_OEVTEN_ADEVIDLEEN BIT(21)
625 #define DWC3_OEVTEN_ADEVBHOSTENDEN BIT(20)
626 #define DWC3_OEVTEN_ADEVHOSTEN BIT(19)
627 #define DWC3_OEVTEN_ADEVHNPCHNGEN BIT(18)
628 #define DWC3_OEVTEN_ADEVSRPDETEN BIT(17)
629 #define DWC3_OEVTEN_ADEVSESSENDDETEN BIT(16)
630 #define DWC3_OEVTEN_BDEVBHOSTENDEN BIT(11)
631 #define DWC3_OEVTEN_BDEVHNPCHNGEN BIT(10)
632 #define DWC3_OEVTEN_BDEVSESSVLDDETEN BIT(9)
633 #define DWC3_OEVTEN_BDEVVBUSCHNGEN BIT(8)
635 /* OTG Status Register */
636 #define DWC3_OSTS_DEVRUNSTP BIT(13)
637 #define DWC3_OSTS_XHCIRUNSTP BIT(12)
638 #define DWC3_OSTS_PERIPHERALSTATE BIT(4)
639 #define DWC3_OSTS_XHCIPRTPOWER BIT(3)
640 #define DWC3_OSTS_BSESVLD BIT(2)
641 #define DWC3_OSTS_VBUSVLD BIT(1)
642 #define DWC3_OSTS_CONIDSTS BIT(0)
649 * struct dwc3_event_buffer - Software event buffer representation
651 * @cache: The buffer cache used in the threaded interrupt
652 * @length: size of this buffer
653 * @lpos: event offset
654 * @count: cache of last read event count register
655 * @flags: flags related to this event buffer
657 * @dwc: pointer to DWC controller
659 struct dwc3_event_buffer {
667 #define DWC3_EVENT_PENDING BIT(0)
674 #define DWC3_EP_FLAG_STALLED BIT(0)
675 #define DWC3_EP_FLAG_WEDGED BIT(1)
677 #define DWC3_EP_DIRECTION_TX true
678 #define DWC3_EP_DIRECTION_RX false
680 #define DWC3_TRB_NUM 256
683 * struct dwc3_ep - device side endpoint representation
684 * @endpoint: usb endpoint
685 * @cancelled_list: list of cancelled requests for this endpoint
686 * @pending_list: list of pending requests for this endpoint
687 * @started_list: list of started requests on this endpoint
688 * @regs: pointer to first endpoint register
689 * @trb_pool: array of transaction buffers
690 * @trb_pool_dma: dma address of @trb_pool
691 * @trb_enqueue: enqueue 'pointer' into TRB array
692 * @trb_dequeue: dequeue 'pointer' into TRB array
693 * @dwc: pointer to DWC controller
694 * @saved_state: ep state saved during hibernation
695 * @flags: endpoint flags (wedged, stalled, ...)
696 * @number: endpoint number (1 - 15)
697 * @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK
698 * @resource_index: Resource transfer index
699 * @frame_number: set to the frame number we want this transfer to start (ISOC)
700 * @interval: the interval on which the ISOC transfer is started
701 * @name: a human readable name e.g. ep1out-bulk
702 * @direction: true for TX, false for RX
703 * @stream_capable: true when streams are enabled
704 * @combo_num: the test combination BIT[15:14] of the frame number to test
705 * isochronous START TRANSFER command failure workaround
706 * @start_cmd_status: the status of testing START TRANSFER command with
710 struct usb_ep endpoint;
711 struct list_head cancelled_list;
712 struct list_head pending_list;
713 struct list_head started_list;
717 struct dwc3_trb *trb_pool;
718 dma_addr_t trb_pool_dma;
723 #define DWC3_EP_ENABLED BIT(0)
724 #define DWC3_EP_STALL BIT(1)
725 #define DWC3_EP_WEDGE BIT(2)
726 #define DWC3_EP_TRANSFER_STARTED BIT(3)
727 #define DWC3_EP_END_TRANSFER_PENDING BIT(4)
728 #define DWC3_EP_PENDING_REQUEST BIT(5)
729 #define DWC3_EP_DELAY_START BIT(6)
730 #define DWC3_EP_WAIT_TRANSFER_COMPLETE BIT(7)
731 #define DWC3_EP_IGNORE_NEXT_NOSTREAM BIT(8)
732 #define DWC3_EP_FORCE_RESTART_STREAM BIT(9)
733 #define DWC3_EP_FIRST_STREAM_PRIMED BIT(10)
734 #define DWC3_EP_PENDING_CLEAR_STALL BIT(11)
735 #define DWC3_EP_TXFIFO_RESIZED BIT(12)
737 /* This last one is specific to EP0 */
738 #define DWC3_EP0_DIR_IN BIT(31)
741 * IMPORTANT: we *know* we have 256 TRBs in our @trb_pool, so we will
742 * use a u8 type here. If anybody decides to increase number of TRBs to
743 * anything larger than 256 - I can't see why people would want to do
744 * this though - then this type needs to be changed.
746 * By using u8 types we ensure that our % operator when incrementing
747 * enqueue and dequeue get optimized away by the compiler.
760 unsigned direction:1;
761 unsigned stream_capable:1;
763 /* For isochronous START TRANSFER workaround only */
765 int start_cmd_status;
769 DWC3_PHY_UNKNOWN = 0,
775 DWC3_EP0_UNKNOWN = 0,
778 DWC3_EP0_NRDY_STATUS,
781 enum dwc3_ep0_state {
788 enum dwc3_link_state {
790 DWC3_LINK_STATE_U0 = 0x00, /* in HS, means ON */
791 DWC3_LINK_STATE_U1 = 0x01,
792 DWC3_LINK_STATE_U2 = 0x02, /* in HS, means SLEEP */
793 DWC3_LINK_STATE_U3 = 0x03, /* in HS, means SUSPEND */
794 DWC3_LINK_STATE_SS_DIS = 0x04,
795 DWC3_LINK_STATE_RX_DET = 0x05, /* in HS, means Early Suspend */
796 DWC3_LINK_STATE_SS_INACT = 0x06,
797 DWC3_LINK_STATE_POLL = 0x07,
798 DWC3_LINK_STATE_RECOV = 0x08,
799 DWC3_LINK_STATE_HRESET = 0x09,
800 DWC3_LINK_STATE_CMPLY = 0x0a,
801 DWC3_LINK_STATE_LPBK = 0x0b,
802 DWC3_LINK_STATE_RESET = 0x0e,
803 DWC3_LINK_STATE_RESUME = 0x0f,
804 DWC3_LINK_STATE_MASK = 0x0f,
807 /* TRB Length, PCM and Status */
808 #define DWC3_TRB_SIZE_MASK (0x00ffffff)
809 #define DWC3_TRB_SIZE_LENGTH(n) ((n) & DWC3_TRB_SIZE_MASK)
810 #define DWC3_TRB_SIZE_PCM1(n) (((n) & 0x03) << 24)
811 #define DWC3_TRB_SIZE_TRBSTS(n) (((n) & (0x0f << 28)) >> 28)
813 #define DWC3_TRBSTS_OK 0
814 #define DWC3_TRBSTS_MISSED_ISOC 1
815 #define DWC3_TRBSTS_SETUP_PENDING 2
816 #define DWC3_TRB_STS_XFER_IN_PROG 4
819 #define DWC3_TRB_CTRL_HWO BIT(0)
820 #define DWC3_TRB_CTRL_LST BIT(1)
821 #define DWC3_TRB_CTRL_CHN BIT(2)
822 #define DWC3_TRB_CTRL_CSP BIT(3)
823 #define DWC3_TRB_CTRL_TRBCTL(n) (((n) & 0x3f) << 4)
824 #define DWC3_TRB_CTRL_ISP_IMI BIT(10)
825 #define DWC3_TRB_CTRL_IOC BIT(11)
826 #define DWC3_TRB_CTRL_SID_SOFN(n) (((n) & 0xffff) << 14)
827 #define DWC3_TRB_CTRL_GET_SID_SOFN(n) (((n) & (0xffff << 14)) >> 14)
829 #define DWC3_TRBCTL_TYPE(n) ((n) & (0x3f << 4))
830 #define DWC3_TRBCTL_NORMAL DWC3_TRB_CTRL_TRBCTL(1)
831 #define DWC3_TRBCTL_CONTROL_SETUP DWC3_TRB_CTRL_TRBCTL(2)
832 #define DWC3_TRBCTL_CONTROL_STATUS2 DWC3_TRB_CTRL_TRBCTL(3)
833 #define DWC3_TRBCTL_CONTROL_STATUS3 DWC3_TRB_CTRL_TRBCTL(4)
834 #define DWC3_TRBCTL_CONTROL_DATA DWC3_TRB_CTRL_TRBCTL(5)
835 #define DWC3_TRBCTL_ISOCHRONOUS_FIRST DWC3_TRB_CTRL_TRBCTL(6)
836 #define DWC3_TRBCTL_ISOCHRONOUS DWC3_TRB_CTRL_TRBCTL(7)
837 #define DWC3_TRBCTL_LINK_TRB DWC3_TRB_CTRL_TRBCTL(8)
840 * struct dwc3_trb - transfer request block (hw format)
854 * struct dwc3_hwparams - copy of HWPARAMS registers
855 * @hwparams0: GHWPARAMS0
856 * @hwparams1: GHWPARAMS1
857 * @hwparams2: GHWPARAMS2
858 * @hwparams3: GHWPARAMS3
859 * @hwparams4: GHWPARAMS4
860 * @hwparams5: GHWPARAMS5
861 * @hwparams6: GHWPARAMS6
862 * @hwparams7: GHWPARAMS7
863 * @hwparams8: GHWPARAMS8
864 * @hwparams9: GHWPARAMS9
866 struct dwc3_hwparams {
880 #define DWC3_MODE(n) ((n) & 0x7)
883 #define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15)
886 #define DWC3_NUM_IN_EPS_MASK (0x1f << 18)
887 #define DWC3_NUM_EPS_MASK (0x3f << 12)
888 #define DWC3_NUM_EPS(p) (((p)->hwparams3 & \
889 (DWC3_NUM_EPS_MASK)) >> 12)
890 #define DWC3_NUM_IN_EPS(p) (((p)->hwparams3 & \
891 (DWC3_NUM_IN_EPS_MASK)) >> 18)
894 #define DWC3_RAM1_DEPTH(n) ((n) & 0xffff)
897 #define DWC3_MST_CAPABLE(p) (!!((p)->hwparams9 & \
898 DWC3_GHWPARAMS9_DEV_MST))
901 * struct dwc3_request - representation of a transfer request
902 * @request: struct usb_request to be transferred
903 * @list: a list_head used for request queueing
904 * @dep: struct dwc3_ep owning this request
905 * @sg: pointer to first incomplete sg
906 * @start_sg: pointer to the sg which should be queued next
907 * @num_pending_sgs: counter to pending sgs
908 * @num_queued_sgs: counter to the number of sgs which already got queued
909 * @remaining: amount of data remaining
910 * @status: internal dwc3 request status tracking
911 * @epnum: endpoint number to which this request refers
912 * @trb: pointer to struct dwc3_trb
913 * @trb_dma: DMA address of @trb
914 * @num_trbs: number of TRBs used by this request
915 * @needs_extra_trb: true when request needs one extra TRB (either due to ZLP
917 * @direction: IN or OUT direction flag
918 * @mapped: true when request has been dma-mapped
920 struct dwc3_request {
921 struct usb_request request;
922 struct list_head list;
924 struct scatterlist *sg;
925 struct scatterlist *start_sg;
927 unsigned int num_pending_sgs;
928 unsigned int num_queued_sgs;
929 unsigned int remaining;
932 #define DWC3_REQUEST_STATUS_QUEUED 0
933 #define DWC3_REQUEST_STATUS_STARTED 1
934 #define DWC3_REQUEST_STATUS_DISCONNECTED 2
935 #define DWC3_REQUEST_STATUS_DEQUEUED 3
936 #define DWC3_REQUEST_STATUS_STALLED 4
937 #define DWC3_REQUEST_STATUS_COMPLETED 5
938 #define DWC3_REQUEST_STATUS_UNKNOWN -1
941 struct dwc3_trb *trb;
944 unsigned int num_trbs;
946 unsigned int needs_extra_trb:1;
947 unsigned int direction:1;
948 unsigned int mapped:1;
952 * struct dwc3_scratchpad_array - hibernation scratchpad array
953 * (format defined by hw)
955 struct dwc3_scratchpad_array {
956 __le64 dma_adr[DWC3_MAX_HIBER_SCRATCHBUFS];
960 * struct dwc3 - representation of our controller
961 * @drd_work: workqueue used for role swapping
962 * @ep0_trb: trb which is used for the ctrl_req
963 * @bounce: address of bounce buffer
964 * @scratchbuf: address of scratch buffer
965 * @setup_buf: used while precessing STD USB requests
966 * @ep0_trb_addr: dma address of @ep0_trb
967 * @bounce_addr: dma address of @bounce
968 * @ep0_usb_req: dummy req used while handling STD USB requests
969 * @scratch_addr: dma address of scratchbuf
970 * @ep0_in_setup: one control transfer is completed and enter setup phase
971 * @lock: for synchronizing
972 * @mutex: for mode switching
973 * @dev: pointer to our struct device
974 * @sysdev: pointer to the DMA-capable device
975 * @xhci: pointer to our xHCI child
976 * @xhci_resources: struct resources for our @xhci child
977 * @ev_buf: struct dwc3_event_buffer pointer
978 * @eps: endpoint array
979 * @gadget: device side representation of the peripheral controller
980 * @gadget_driver: pointer to the gadget driver
981 * @clks: array of clocks
982 * @num_clks: number of clocks
983 * @reset: reset control
984 * @regs: base address for our registers
985 * @regs_size: address space size
986 * @fladj: frame length adjustment
987 * @ref_clk_per: reference clock period configuration
988 * @irq_gadget: peripheral controller's IRQ number
989 * @otg_irq: IRQ number for OTG IRQs
990 * @current_otg_role: current role of operation while using the OTG block
991 * @desired_otg_role: desired role of operation while using the OTG block
992 * @otg_restart_host: flag that OTG controller needs to restart host
993 * @nr_scratch: number of scratch buffers
994 * @u1u2: only used on revisions <1.83a for workaround
995 * @maximum_speed: maximum speed requested (mainly for testing purposes)
996 * @max_ssp_rate: SuperSpeed Plus maximum signaling rate and lane count
997 * @gadget_max_speed: maximum gadget speed requested
998 * @gadget_ssp_rate: Gadget driver's maximum supported SuperSpeed Plus signaling
999 * rate and lane count.
1000 * @ip: controller's ID
1001 * @revision: controller's version of an IP
1002 * @version_type: VERSIONTYPE register contents, a sub release of a revision
1003 * @dr_mode: requested mode of operation
1004 * @current_dr_role: current role of operation when in dual-role mode
1005 * @desired_dr_role: desired role of operation when in dual-role mode
1006 * @edev: extcon handle
1007 * @edev_nb: extcon notifier
1008 * @hsphy_mode: UTMI phy mode, one of following:
1009 * - USBPHY_INTERFACE_MODE_UTMI
1010 * - USBPHY_INTERFACE_MODE_UTMIW
1011 * @role_sw: usb_role_switch handle
1012 * @role_switch_default_mode: default operation mode of controller while
1013 * usb role is USB_ROLE_NONE.
1014 * @usb_psy: pointer to power supply interface.
1015 * @usb2_phy: pointer to USB2 PHY
1016 * @usb3_phy: pointer to USB3 PHY
1017 * @usb2_generic_phy: pointer to USB2 PHY
1018 * @usb3_generic_phy: pointer to USB3 PHY
1019 * @phys_ready: flag to indicate that PHYs are ready
1020 * @ulpi: pointer to ulpi interface
1021 * @ulpi_ready: flag to indicate that ULPI is initialized
1022 * @u2sel: parameter from Set SEL request.
1023 * @u2pel: parameter from Set SEL request.
1024 * @u1sel: parameter from Set SEL request.
1025 * @u1pel: parameter from Set SEL request.
1026 * @num_eps: number of endpoints
1027 * @ep0_next_event: hold the next expected event
1028 * @ep0state: state of endpoint zero
1029 * @link_state: link state
1030 * @speed: device speed (super, high, full, low)
1031 * @hwparams: copy of hwparams registers
1032 * @regset: debugfs pointer to regdump file
1033 * @dbg_lsp_select: current debug lsp mux register selection
1034 * @test_mode: true when we're entering a USB test mode
1035 * @test_mode_nr: test feature selector
1036 * @lpm_nyet_threshold: LPM NYET response threshold
1037 * @hird_threshold: HIRD threshold
1038 * @rx_thr_num_pkt_prd: periodic ESS receive packet count
1039 * @rx_max_burst_prd: max periodic ESS receive burst size
1040 * @tx_thr_num_pkt_prd: periodic ESS transmit packet count
1041 * @tx_max_burst_prd: max periodic ESS transmit burst size
1042 * @tx_fifo_resize_max_num: max number of fifos allocated during txfifo resize
1043 * @hsphy_interface: "utmi" or "ulpi"
1044 * @connected: true when we're connected to a host, false otherwise
1045 * @softconnect: true when gadget connect is called, false when disconnect runs
1046 * @delayed_status: true when gadget driver asks for delayed status
1047 * @ep0_bounced: true when we used bounce buffer
1048 * @ep0_expect_in: true when we expect a DATA IN transfer
1049 * @has_hibernation: true when dwc3 was configured with Hibernation
1050 * @sysdev_is_parent: true when dwc3 device has a parent driver
1051 * @has_lpm_erratum: true when core was configured with LPM Erratum. Note that
1052 * there's now way for software to detect this in runtime.
1053 * @is_utmi_l1_suspend: the core asserts output signal
1055 * 1 - utmi_l1_suspend_n
1056 * @is_fpga: true when we are using the FPGA board
1057 * @pending_events: true when we have pending IRQs to be handled
1058 * @do_fifo_resize: true when txfifo resizing is enabled for dwc3 endpoints
1059 * @pullups_connected: true when Run/Stop bit is set
1060 * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround
1061 * @three_stage_setup: set if we perform a three phase setup
1062 * @dis_start_transfer_quirk: set if start_transfer failure SW workaround is
1063 * not needed for DWC_usb31 version 1.70a-ea06 and below
1064 * @usb3_lpm_capable: set if hadrware supports Link Power Management
1065 * @usb2_lpm_disable: set to disable usb2 lpm for host
1066 * @usb2_gadget_lpm_disable: set to disable usb2 lpm for gadget
1067 * @disable_scramble_quirk: set if we enable the disable scramble quirk
1068 * @u2exit_lfps_quirk: set if we enable u2exit lfps quirk
1069 * @u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk
1070 * @req_p1p2p3_quirk: set if we enable request p1p2p3 quirk
1071 * @del_p1p2p3_quirk: set if we enable delay p1p2p3 quirk
1072 * @del_phy_power_chg_quirk: set if we enable delay phy power change quirk
1073 * @lfps_filter_quirk: set if we enable LFPS filter quirk
1074 * @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk
1075 * @dis_u3_susphy_quirk: set if we disable usb3 suspend phy
1076 * @dis_u2_susphy_quirk: set if we disable usb2 suspend phy
1077 * @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG,
1078 * disabling the suspend signal to the PHY.
1079 * @dis_u1_entry_quirk: set if link entering into U1 state needs to be disabled.
1080 * @dis_u2_entry_quirk: set if link entering into U2 state needs to be disabled.
1081 * @dis_rxdet_inp3_quirk: set if we disable Rx.Detect in P3
1082 * @dis_u2_freeclk_exists_quirk : set if we clear u2_freeclk_exists
1083 * in GUSB2PHYCFG, specify that USB2 PHY doesn't
1084 * provide a free-running PHY clock.
1085 * @dis_del_phy_power_chg_quirk: set if we disable delay phy power
1087 * @dis_tx_ipgap_linecheck_quirk: set if we disable u2mac linestate
1088 * check during HS transmit.
1089 * @parkmode_disable_ss_quirk: set if we need to disable all SuperSpeed
1090 * instances in park mode.
1091 * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk
1092 * @tx_de_emphasis: Tx de-emphasis value
1093 * 0 - -6dB de-emphasis
1094 * 1 - -3.5dB de-emphasis
1095 * 2 - No de-emphasis
1097 * @dis_metastability_quirk: set to disable metastability quirk.
1098 * @dis_split_quirk: set to disable split boundary.
1099 * @imod_interval: set the interrupt moderation interval in 250ns
1100 * increments or 0 to disable.
1101 * @max_cfg_eps: current max number of IN eps used across all USB configs.
1102 * @last_fifo_depth: last fifo depth used to determine next fifo ram start
1104 * @num_ep_resized: carries the current number endpoints which have had its tx
1108 struct work_struct drd_work;
1109 struct dwc3_trb *ep0_trb;
1113 dma_addr_t ep0_trb_addr;
1114 dma_addr_t bounce_addr;
1115 dma_addr_t scratch_addr;
1116 struct dwc3_request ep0_usb_req;
1117 struct completion ep0_in_setup;
1122 /* mode switching lock */
1126 struct device *sysdev;
1128 struct platform_device *xhci;
1129 struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM];
1131 struct dwc3_event_buffer *ev_buf;
1132 struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM];
1134 struct usb_gadget *gadget;
1135 struct usb_gadget_driver *gadget_driver;
1137 struct clk_bulk_data *clks;
1140 struct reset_control *reset;
1142 struct usb_phy *usb2_phy;
1143 struct usb_phy *usb3_phy;
1145 struct phy *usb2_generic_phy;
1146 struct phy *usb3_generic_phy;
1156 enum usb_dr_mode dr_mode;
1157 u32 current_dr_role;
1158 u32 desired_dr_role;
1159 struct extcon_dev *edev;
1160 struct notifier_block edev_nb;
1161 enum usb_phy_interface hsphy_mode;
1162 struct usb_role_switch *role_sw;
1163 enum usb_dr_mode role_switch_default_mode;
1165 struct power_supply *usb_psy;
1171 u32 current_otg_role;
1172 u32 desired_otg_role;
1173 bool otg_restart_host;
1177 u32 gadget_max_speed;
1178 enum usb_ssp_rate max_ssp_rate;
1179 enum usb_ssp_rate gadget_ssp_rate;
1183 #define DWC3_IP 0x5533
1184 #define DWC31_IP 0x3331
1185 #define DWC32_IP 0x3332
1189 #define DWC3_REVISION_ANY 0x0
1190 #define DWC3_REVISION_173A 0x5533173a
1191 #define DWC3_REVISION_175A 0x5533175a
1192 #define DWC3_REVISION_180A 0x5533180a
1193 #define DWC3_REVISION_183A 0x5533183a
1194 #define DWC3_REVISION_185A 0x5533185a
1195 #define DWC3_REVISION_187A 0x5533187a
1196 #define DWC3_REVISION_188A 0x5533188a
1197 #define DWC3_REVISION_190A 0x5533190a
1198 #define DWC3_REVISION_194A 0x5533194a
1199 #define DWC3_REVISION_200A 0x5533200a
1200 #define DWC3_REVISION_202A 0x5533202a
1201 #define DWC3_REVISION_210A 0x5533210a
1202 #define DWC3_REVISION_220A 0x5533220a
1203 #define DWC3_REVISION_230A 0x5533230a
1204 #define DWC3_REVISION_240A 0x5533240a
1205 #define DWC3_REVISION_250A 0x5533250a
1206 #define DWC3_REVISION_260A 0x5533260a
1207 #define DWC3_REVISION_270A 0x5533270a
1208 #define DWC3_REVISION_280A 0x5533280a
1209 #define DWC3_REVISION_290A 0x5533290a
1210 #define DWC3_REVISION_300A 0x5533300a
1211 #define DWC3_REVISION_310A 0x5533310a
1212 #define DWC3_REVISION_330A 0x5533330a
1214 #define DWC31_REVISION_ANY 0x0
1215 #define DWC31_REVISION_110A 0x3131302a
1216 #define DWC31_REVISION_120A 0x3132302a
1217 #define DWC31_REVISION_160A 0x3136302a
1218 #define DWC31_REVISION_170A 0x3137302a
1219 #define DWC31_REVISION_180A 0x3138302a
1220 #define DWC31_REVISION_190A 0x3139302a
1222 #define DWC32_REVISION_ANY 0x0
1223 #define DWC32_REVISION_100A 0x3130302a
1227 #define DWC31_VERSIONTYPE_ANY 0x0
1228 #define DWC31_VERSIONTYPE_EA01 0x65613031
1229 #define DWC31_VERSIONTYPE_EA02 0x65613032
1230 #define DWC31_VERSIONTYPE_EA03 0x65613033
1231 #define DWC31_VERSIONTYPE_EA04 0x65613034
1232 #define DWC31_VERSIONTYPE_EA05 0x65613035
1233 #define DWC31_VERSIONTYPE_EA06 0x65613036
1235 enum dwc3_ep0_next ep0_next_event;
1236 enum dwc3_ep0_state ep0state;
1237 enum dwc3_link_state link_state;
1248 struct dwc3_hwparams hwparams;
1249 struct debugfs_regset32 *regset;
1255 u8 lpm_nyet_threshold;
1257 u8 rx_thr_num_pkt_prd;
1258 u8 rx_max_burst_prd;
1259 u8 tx_thr_num_pkt_prd;
1260 u8 tx_max_burst_prd;
1261 u8 tx_fifo_resize_max_num;
1263 const char *hsphy_interface;
1265 unsigned connected:1;
1266 unsigned softconnect:1;
1267 unsigned delayed_status:1;
1268 unsigned ep0_bounced:1;
1269 unsigned ep0_expect_in:1;
1270 unsigned has_hibernation:1;
1271 unsigned sysdev_is_parent:1;
1272 unsigned has_lpm_erratum:1;
1273 unsigned is_utmi_l1_suspend:1;
1275 unsigned pending_events:1;
1276 unsigned do_fifo_resize:1;
1277 unsigned pullups_connected:1;
1278 unsigned setup_packet_pending:1;
1279 unsigned three_stage_setup:1;
1280 unsigned dis_start_transfer_quirk:1;
1281 unsigned usb3_lpm_capable:1;
1282 unsigned usb2_lpm_disable:1;
1283 unsigned usb2_gadget_lpm_disable:1;
1285 unsigned disable_scramble_quirk:1;
1286 unsigned u2exit_lfps_quirk:1;
1287 unsigned u2ss_inp3_quirk:1;
1288 unsigned req_p1p2p3_quirk:1;
1289 unsigned del_p1p2p3_quirk:1;
1290 unsigned del_phy_power_chg_quirk:1;
1291 unsigned lfps_filter_quirk:1;
1292 unsigned rx_detect_poll_quirk:1;
1293 unsigned dis_u3_susphy_quirk:1;
1294 unsigned dis_u2_susphy_quirk:1;
1295 unsigned dis_enblslpm_quirk:1;
1296 unsigned dis_u1_entry_quirk:1;
1297 unsigned dis_u2_entry_quirk:1;
1298 unsigned dis_rxdet_inp3_quirk:1;
1299 unsigned dis_u2_freeclk_exists_quirk:1;
1300 unsigned dis_del_phy_power_chg_quirk:1;
1301 unsigned dis_tx_ipgap_linecheck_quirk:1;
1302 unsigned parkmode_disable_ss_quirk:1;
1304 unsigned tx_de_emphasis_quirk:1;
1305 unsigned tx_de_emphasis:2;
1307 unsigned dis_metastability_quirk:1;
1309 unsigned dis_split_quirk:1;
1310 unsigned async_callbacks:1;
1315 int last_fifo_depth;
1319 #define INCRX_BURST_MODE 0
1320 #define INCRX_UNDEF_LENGTH_BURST_MODE 1
1322 #define work_to_dwc(w) (container_of((w), struct dwc3, drd_work))
1324 /* -------------------------------------------------------------------------- */
1326 struct dwc3_event_type {
1329 u32 reserved8_31:24;
1332 #define DWC3_DEPEVT_XFERCOMPLETE 0x01
1333 #define DWC3_DEPEVT_XFERINPROGRESS 0x02
1334 #define DWC3_DEPEVT_XFERNOTREADY 0x03
1335 #define DWC3_DEPEVT_RXTXFIFOEVT 0x04
1336 #define DWC3_DEPEVT_STREAMEVT 0x06
1337 #define DWC3_DEPEVT_EPCMDCMPLT 0x07
1340 * struct dwc3_event_depevt - Device Endpoint Events
1341 * @one_bit: indicates this is an endpoint event (not used)
1342 * @endpoint_number: number of the endpoint
1343 * @endpoint_event: The event we have:
1345 * 0x01 - XferComplete
1346 * 0x02 - XferInProgress
1347 * 0x03 - XferNotReady
1348 * 0x04 - RxTxFifoEvt (IN->Underrun, OUT->Overrun)
1352 * @reserved11_10: Reserved, don't use.
1353 * @status: Indicates the status of the event. Refer to databook for
1355 * @parameters: Parameters of the current event. Refer to databook for
1358 struct dwc3_event_depevt {
1360 u32 endpoint_number:5;
1361 u32 endpoint_event:4;
1362 u32 reserved11_10:2;
1365 /* Within XferNotReady */
1366 #define DEPEVT_STATUS_TRANSFER_ACTIVE BIT(3)
1368 /* Within XferComplete or XferInProgress */
1369 #define DEPEVT_STATUS_BUSERR BIT(0)
1370 #define DEPEVT_STATUS_SHORT BIT(1)
1371 #define DEPEVT_STATUS_IOC BIT(2)
1372 #define DEPEVT_STATUS_LST BIT(3) /* XferComplete */
1373 #define DEPEVT_STATUS_MISSED_ISOC BIT(3) /* XferInProgress */
1375 /* Stream event only */
1376 #define DEPEVT_STREAMEVT_FOUND 1
1377 #define DEPEVT_STREAMEVT_NOTFOUND 2
1379 /* Stream event parameter */
1380 #define DEPEVT_STREAM_PRIME 0xfffe
1381 #define DEPEVT_STREAM_NOSTREAM 0x0
1383 /* Control-only Status */
1384 #define DEPEVT_STATUS_CONTROL_DATA 1
1385 #define DEPEVT_STATUS_CONTROL_STATUS 2
1386 #define DEPEVT_STATUS_CONTROL_PHASE(n) ((n) & 3)
1388 /* In response to Start Transfer */
1389 #define DEPEVT_TRANSFER_NO_RESOURCE 1
1390 #define DEPEVT_TRANSFER_BUS_EXPIRY 2
1394 /* For Command Complete Events */
1395 #define DEPEVT_PARAMETER_CMD(n) (((n) & (0xf << 8)) >> 8)
1399 * struct dwc3_event_devt - Device Events
1400 * @one_bit: indicates this is a non-endpoint event (not used)
1401 * @device_event: indicates it's a device event. Should read as 0x00
1402 * @type: indicates the type of device event.
1409 * 6 - Suspend (EOPF on revisions 2.10a and prior)
1415 * 12 - VndrDevTstRcved
1416 * @reserved15_12: Reserved, not used
1417 * @event_info: Information about this event
1418 * @reserved31_25: Reserved, not used
1420 struct dwc3_event_devt {
1424 u32 reserved15_12:4;
1426 u32 reserved31_25:7;
1430 * struct dwc3_event_gevt - Other Core Events
1431 * @one_bit: indicates this is a non-endpoint event (not used)
1432 * @device_event: indicates it's (0x03) Carkit or (0x04) I2C event.
1433 * @phy_port_number: self-explanatory
1434 * @reserved31_12: Reserved, not used.
1436 struct dwc3_event_gevt {
1439 u32 phy_port_number:4;
1440 u32 reserved31_12:20;
1444 * union dwc3_event - representation of Event Buffer contents
1445 * @raw: raw 32-bit event
1446 * @type: the type of the event
1447 * @depevt: Device Endpoint Event
1448 * @devt: Device Event
1449 * @gevt: Global Event
1453 struct dwc3_event_type type;
1454 struct dwc3_event_depevt depevt;
1455 struct dwc3_event_devt devt;
1456 struct dwc3_event_gevt gevt;
1460 * struct dwc3_gadget_ep_cmd_params - representation of endpoint command
1462 * @param2: third parameter
1463 * @param1: second parameter
1464 * @param0: first parameter
1466 struct dwc3_gadget_ep_cmd_params {
1473 * DWC3 Features to be used as Driver Data
1476 #define DWC3_HAS_PERIPHERAL BIT(0)
1477 #define DWC3_HAS_XHCI BIT(1)
1478 #define DWC3_HAS_OTG BIT(3)
1481 void dwc3_set_prtcap(struct dwc3 *dwc, u32 mode);
1482 void dwc3_set_mode(struct dwc3 *dwc, u32 mode);
1483 u32 dwc3_core_fifo_space(struct dwc3_ep *dep, u8 type);
1485 #define DWC3_IP_IS(_ip) \
1486 (dwc->ip == _ip##_IP)
1488 #define DWC3_VER_IS(_ip, _ver) \
1489 (DWC3_IP_IS(_ip) && dwc->revision == _ip##_REVISION_##_ver)
1491 #define DWC3_VER_IS_PRIOR(_ip, _ver) \
1492 (DWC3_IP_IS(_ip) && dwc->revision < _ip##_REVISION_##_ver)
1494 #define DWC3_VER_IS_WITHIN(_ip, _from, _to) \
1495 (DWC3_IP_IS(_ip) && \
1496 dwc->revision >= _ip##_REVISION_##_from && \
1497 (!(_ip##_REVISION_##_to) || \
1498 dwc->revision <= _ip##_REVISION_##_to))
1500 #define DWC3_VER_TYPE_IS_WITHIN(_ip, _ver, _from, _to) \
1501 (DWC3_VER_IS(_ip, _ver) && \
1502 dwc->version_type >= _ip##_VERSIONTYPE_##_from && \
1503 (!(_ip##_VERSIONTYPE_##_to) || \
1504 dwc->version_type <= _ip##_VERSIONTYPE_##_to))
1507 * dwc3_mdwidth - get MDWIDTH value in bits
1508 * @dwc: pointer to our context structure
1510 * Return MDWIDTH configuration value in bits.
1512 static inline u32 dwc3_mdwidth(struct dwc3 *dwc)
1516 mdwidth = DWC3_GHWPARAMS0_MDWIDTH(dwc->hwparams.hwparams0);
1517 if (DWC3_IP_IS(DWC32))
1518 mdwidth += DWC3_GHWPARAMS6_MDWIDTH(dwc->hwparams.hwparams6);
1523 bool dwc3_has_imod(struct dwc3 *dwc);
1525 int dwc3_event_buffers_setup(struct dwc3 *dwc);
1526 void dwc3_event_buffers_cleanup(struct dwc3 *dwc);
1528 #if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
1529 int dwc3_host_init(struct dwc3 *dwc);
1530 void dwc3_host_exit(struct dwc3 *dwc);
1532 static inline int dwc3_host_init(struct dwc3 *dwc)
1534 static inline void dwc3_host_exit(struct dwc3 *dwc)
1538 #if IS_ENABLED(CONFIG_USB_DWC3_GADGET) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
1539 int dwc3_gadget_init(struct dwc3 *dwc);
1540 void dwc3_gadget_exit(struct dwc3 *dwc);
1541 int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode);
1542 int dwc3_gadget_get_link_state(struct dwc3 *dwc);
1543 int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state);
1544 int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
1545 struct dwc3_gadget_ep_cmd_params *params);
1546 int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned int cmd,
1548 void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc);
1550 static inline int dwc3_gadget_init(struct dwc3 *dwc)
1552 static inline void dwc3_gadget_exit(struct dwc3 *dwc)
1554 static inline int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode)
1556 static inline int dwc3_gadget_get_link_state(struct dwc3 *dwc)
1558 static inline int dwc3_gadget_set_link_state(struct dwc3 *dwc,
1559 enum dwc3_link_state state)
1562 static inline int dwc3_send_gadget_ep_cmd(struct dwc3_ep *dep, unsigned int cmd,
1563 struct dwc3_gadget_ep_cmd_params *params)
1565 static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc,
1568 static inline void dwc3_gadget_clear_tx_fifos(struct dwc3 *dwc)
1572 #if IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE)
1573 int dwc3_drd_init(struct dwc3 *dwc);
1574 void dwc3_drd_exit(struct dwc3 *dwc);
1575 void dwc3_otg_init(struct dwc3 *dwc);
1576 void dwc3_otg_exit(struct dwc3 *dwc);
1577 void dwc3_otg_update(struct dwc3 *dwc, bool ignore_idstatus);
1578 void dwc3_otg_host_init(struct dwc3 *dwc);
1580 static inline int dwc3_drd_init(struct dwc3 *dwc)
1582 static inline void dwc3_drd_exit(struct dwc3 *dwc)
1584 static inline void dwc3_otg_init(struct dwc3 *dwc)
1586 static inline void dwc3_otg_exit(struct dwc3 *dwc)
1588 static inline void dwc3_otg_update(struct dwc3 *dwc, bool ignore_idstatus)
1590 static inline void dwc3_otg_host_init(struct dwc3 *dwc)
1594 /* power management interface */
1595 #if !IS_ENABLED(CONFIG_USB_DWC3_HOST)
1596 int dwc3_gadget_suspend(struct dwc3 *dwc);
1597 int dwc3_gadget_resume(struct dwc3 *dwc);
1598 void dwc3_gadget_process_pending_events(struct dwc3 *dwc);
1600 static inline int dwc3_gadget_suspend(struct dwc3 *dwc)
1605 static inline int dwc3_gadget_resume(struct dwc3 *dwc)
1610 static inline void dwc3_gadget_process_pending_events(struct dwc3 *dwc)
1613 #endif /* !IS_ENABLED(CONFIG_USB_DWC3_HOST) */
1615 #if IS_ENABLED(CONFIG_USB_DWC3_ULPI)
1616 int dwc3_ulpi_init(struct dwc3 *dwc);
1617 void dwc3_ulpi_exit(struct dwc3 *dwc);
1619 static inline int dwc3_ulpi_init(struct dwc3 *dwc)
1621 static inline void dwc3_ulpi_exit(struct dwc3 *dwc)
1625 #endif /* __DRIVERS_USB_DWC3_CORE_H */