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85d5e707 KVA |
1 | /** |
2 | * core.h - DesignWare USB3 DRD Core Header | |
3 | * | |
30c31d58 | 4 | * Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com |
85d5e707 KVA |
5 | * |
6 | * Authors: Felipe Balbi <balbi@ti.com>, | |
7 | * Sebastian Andrzej Siewior <bigeasy@linutronix.de> | |
8 | * | |
30c31d58 KVA |
9 | * Taken from Linux Kernel v3.19-rc1 (drivers/usb/dwc3/core.h) and ported |
10 | * to uboot. | |
11 | * | |
12 | * commit 460d098cb6 : usb: dwc3: make HIRD threshold configurable | |
13 | * | |
14 | * SPDX-License-Identifier: GPL-2.0 | |
85d5e707 | 15 | * |
85d5e707 KVA |
16 | */ |
17 | ||
18 | #ifndef __DRIVERS_USB_DWC3_CORE_H | |
19 | #define __DRIVERS_USB_DWC3_CORE_H | |
20 | ||
85d5e707 | 21 | #include <linux/ioport.h> |
85d5e707 KVA |
22 | |
23 | #include <linux/usb/ch9.h> | |
85d5e707 KVA |
24 | #include <linux/usb/otg.h> |
25 | ||
85d5e707 KVA |
26 | #define DWC3_MSG_MAX 500 |
27 | ||
28 | /* Global constants */ | |
29 | #define DWC3_EP0_BOUNCE_SIZE 512 | |
30 | #define DWC3_ENDPOINTS_NUM 32 | |
31 | #define DWC3_XHCI_RESOURCES_NUM 2 | |
32 | ||
33 | #define DWC3_SCRATCHBUF_SIZE 4096 /* each buffer is assumed to be 4KiB */ | |
34 | #define DWC3_EVENT_SIZE 4 /* bytes */ | |
35 | #define DWC3_EVENT_MAX_NUM 64 /* 2 events/endpoint */ | |
36 | #define DWC3_EVENT_BUFFERS_SIZE (DWC3_EVENT_SIZE * DWC3_EVENT_MAX_NUM) | |
37 | #define DWC3_EVENT_TYPE_MASK 0xfe | |
38 | ||
39 | #define DWC3_EVENT_TYPE_DEV 0 | |
40 | #define DWC3_EVENT_TYPE_CARKIT 3 | |
41 | #define DWC3_EVENT_TYPE_I2C 4 | |
42 | ||
43 | #define DWC3_DEVICE_EVENT_DISCONNECT 0 | |
44 | #define DWC3_DEVICE_EVENT_RESET 1 | |
45 | #define DWC3_DEVICE_EVENT_CONNECT_DONE 2 | |
46 | #define DWC3_DEVICE_EVENT_LINK_STATUS_CHANGE 3 | |
47 | #define DWC3_DEVICE_EVENT_WAKEUP 4 | |
48 | #define DWC3_DEVICE_EVENT_HIBER_REQ 5 | |
49 | #define DWC3_DEVICE_EVENT_EOPF 6 | |
50 | #define DWC3_DEVICE_EVENT_SOF 7 | |
51 | #define DWC3_DEVICE_EVENT_ERRATIC_ERROR 9 | |
52 | #define DWC3_DEVICE_EVENT_CMD_CMPL 10 | |
53 | #define DWC3_DEVICE_EVENT_OVERFLOW 11 | |
54 | ||
55 | #define DWC3_GEVNTCOUNT_MASK 0xfffc | |
56 | #define DWC3_GSNPSID_MASK 0xffff0000 | |
57 | #define DWC3_GSNPSREV_MASK 0xffff | |
58 | ||
59 | /* DWC3 registers memory space boundries */ | |
60 | #define DWC3_XHCI_REGS_START 0x0 | |
61 | #define DWC3_XHCI_REGS_END 0x7fff | |
62 | #define DWC3_GLOBALS_REGS_START 0xc100 | |
63 | #define DWC3_GLOBALS_REGS_END 0xc6ff | |
64 | #define DWC3_DEVICE_REGS_START 0xc700 | |
65 | #define DWC3_DEVICE_REGS_END 0xcbff | |
66 | #define DWC3_OTG_REGS_START 0xcc00 | |
67 | #define DWC3_OTG_REGS_END 0xccff | |
68 | ||
69 | /* Global Registers */ | |
70 | #define DWC3_GSBUSCFG0 0xc100 | |
71 | #define DWC3_GSBUSCFG1 0xc104 | |
72 | #define DWC3_GTXTHRCFG 0xc108 | |
73 | #define DWC3_GRXTHRCFG 0xc10c | |
74 | #define DWC3_GCTL 0xc110 | |
75 | #define DWC3_GEVTEN 0xc114 | |
76 | #define DWC3_GSTS 0xc118 | |
77 | #define DWC3_GSNPSID 0xc120 | |
78 | #define DWC3_GGPIO 0xc124 | |
79 | #define DWC3_GUID 0xc128 | |
80 | #define DWC3_GUCTL 0xc12c | |
81 | #define DWC3_GBUSERRADDR0 0xc130 | |
82 | #define DWC3_GBUSERRADDR1 0xc134 | |
83 | #define DWC3_GPRTBIMAP0 0xc138 | |
84 | #define DWC3_GPRTBIMAP1 0xc13c | |
85 | #define DWC3_GHWPARAMS0 0xc140 | |
86 | #define DWC3_GHWPARAMS1 0xc144 | |
87 | #define DWC3_GHWPARAMS2 0xc148 | |
88 | #define DWC3_GHWPARAMS3 0xc14c | |
89 | #define DWC3_GHWPARAMS4 0xc150 | |
90 | #define DWC3_GHWPARAMS5 0xc154 | |
91 | #define DWC3_GHWPARAMS6 0xc158 | |
92 | #define DWC3_GHWPARAMS7 0xc15c | |
93 | #define DWC3_GDBGFIFOSPACE 0xc160 | |
94 | #define DWC3_GDBGLTSSM 0xc164 | |
95 | #define DWC3_GPRTBIMAP_HS0 0xc180 | |
96 | #define DWC3_GPRTBIMAP_HS1 0xc184 | |
97 | #define DWC3_GPRTBIMAP_FS0 0xc188 | |
98 | #define DWC3_GPRTBIMAP_FS1 0xc18c | |
99 | ||
100 | #define DWC3_GUSB2PHYCFG(n) (0xc200 + (n * 0x04)) | |
101 | #define DWC3_GUSB2I2CCTL(n) (0xc240 + (n * 0x04)) | |
102 | ||
103 | #define DWC3_GUSB2PHYACC(n) (0xc280 + (n * 0x04)) | |
104 | ||
105 | #define DWC3_GUSB3PIPECTL(n) (0xc2c0 + (n * 0x04)) | |
106 | ||
107 | #define DWC3_GTXFIFOSIZ(n) (0xc300 + (n * 0x04)) | |
108 | #define DWC3_GRXFIFOSIZ(n) (0xc380 + (n * 0x04)) | |
109 | ||
110 | #define DWC3_GEVNTADRLO(n) (0xc400 + (n * 0x10)) | |
111 | #define DWC3_GEVNTADRHI(n) (0xc404 + (n * 0x10)) | |
112 | #define DWC3_GEVNTSIZ(n) (0xc408 + (n * 0x10)) | |
113 | #define DWC3_GEVNTCOUNT(n) (0xc40c + (n * 0x10)) | |
114 | ||
115 | #define DWC3_GHWPARAMS8 0xc600 | |
116 | ||
117 | /* Device Registers */ | |
118 | #define DWC3_DCFG 0xc700 | |
119 | #define DWC3_DCTL 0xc704 | |
120 | #define DWC3_DEVTEN 0xc708 | |
121 | #define DWC3_DSTS 0xc70c | |
122 | #define DWC3_DGCMDPAR 0xc710 | |
123 | #define DWC3_DGCMD 0xc714 | |
124 | #define DWC3_DALEPENA 0xc720 | |
125 | #define DWC3_DEPCMDPAR2(n) (0xc800 + (n * 0x10)) | |
126 | #define DWC3_DEPCMDPAR1(n) (0xc804 + (n * 0x10)) | |
127 | #define DWC3_DEPCMDPAR0(n) (0xc808 + (n * 0x10)) | |
128 | #define DWC3_DEPCMD(n) (0xc80c + (n * 0x10)) | |
129 | ||
130 | /* OTG Registers */ | |
131 | #define DWC3_OCFG 0xcc00 | |
132 | #define DWC3_OCTL 0xcc04 | |
133 | #define DWC3_OEVT 0xcc08 | |
134 | #define DWC3_OEVTEN 0xcc0C | |
135 | #define DWC3_OSTS 0xcc10 | |
136 | ||
137 | /* Bit fields */ | |
138 | ||
139 | /* Global Configuration Register */ | |
140 | #define DWC3_GCTL_PWRDNSCALE(n) ((n) << 19) | |
141 | #define DWC3_GCTL_U2RSTECN (1 << 16) | |
142 | #define DWC3_GCTL_RAMCLKSEL(x) (((x) & DWC3_GCTL_CLK_MASK) << 6) | |
143 | #define DWC3_GCTL_CLK_BUS (0) | |
144 | #define DWC3_GCTL_CLK_PIPE (1) | |
145 | #define DWC3_GCTL_CLK_PIPEHALF (2) | |
146 | #define DWC3_GCTL_CLK_MASK (3) | |
147 | ||
148 | #define DWC3_GCTL_PRTCAP(n) (((n) & (3 << 12)) >> 12) | |
149 | #define DWC3_GCTL_PRTCAPDIR(n) ((n) << 12) | |
150 | #define DWC3_GCTL_PRTCAP_HOST 1 | |
151 | #define DWC3_GCTL_PRTCAP_DEVICE 2 | |
152 | #define DWC3_GCTL_PRTCAP_OTG 3 | |
153 | ||
154 | #define DWC3_GCTL_CORESOFTRESET (1 << 11) | |
155 | #define DWC3_GCTL_SOFITPSYNC (1 << 10) | |
156 | #define DWC3_GCTL_SCALEDOWN(n) ((n) << 4) | |
157 | #define DWC3_GCTL_SCALEDOWN_MASK DWC3_GCTL_SCALEDOWN(3) | |
158 | #define DWC3_GCTL_DISSCRAMBLE (1 << 3) | |
159 | #define DWC3_GCTL_U2EXIT_LFPS (1 << 2) | |
160 | #define DWC3_GCTL_GBLHIBERNATIONEN (1 << 1) | |
161 | #define DWC3_GCTL_DSBLCLKGTNG (1 << 0) | |
162 | ||
163 | /* Global USB2 PHY Configuration Register */ | |
164 | #define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31) | |
165 | #define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6) | |
166 | ||
167 | /* Global USB3 PIPE Control Register */ | |
168 | #define DWC3_GUSB3PIPECTL_PHYSOFTRST (1 << 31) | |
169 | #define DWC3_GUSB3PIPECTL_U2SSINP3OK (1 << 29) | |
170 | #define DWC3_GUSB3PIPECTL_REQP1P2P3 (1 << 24) | |
171 | #define DWC3_GUSB3PIPECTL_DEP1P2P3(n) ((n) << 19) | |
172 | #define DWC3_GUSB3PIPECTL_DEP1P2P3_MASK DWC3_GUSB3PIPECTL_DEP1P2P3(7) | |
173 | #define DWC3_GUSB3PIPECTL_DEP1P2P3_EN DWC3_GUSB3PIPECTL_DEP1P2P3(1) | |
174 | #define DWC3_GUSB3PIPECTL_DEPOCHANGE (1 << 18) | |
175 | #define DWC3_GUSB3PIPECTL_SUSPHY (1 << 17) | |
176 | #define DWC3_GUSB3PIPECTL_LFPSFILT (1 << 9) | |
177 | #define DWC3_GUSB3PIPECTL_RX_DETOPOLL (1 << 8) | |
178 | #define DWC3_GUSB3PIPECTL_TX_DEEPH_MASK DWC3_GUSB3PIPECTL_TX_DEEPH(3) | |
179 | #define DWC3_GUSB3PIPECTL_TX_DEEPH(n) ((n) << 1) | |
180 | ||
181 | /* Global TX Fifo Size Register */ | |
182 | #define DWC3_GTXFIFOSIZ_TXFDEF(n) ((n) & 0xffff) | |
183 | #define DWC3_GTXFIFOSIZ_TXFSTADDR(n) ((n) & 0xffff0000) | |
184 | ||
185 | /* Global Event Size Registers */ | |
186 | #define DWC3_GEVNTSIZ_INTMASK (1 << 31) | |
187 | #define DWC3_GEVNTSIZ_SIZE(n) ((n) & 0xffff) | |
188 | ||
189 | /* Global HWPARAMS1 Register */ | |
190 | #define DWC3_GHWPARAMS1_EN_PWROPT(n) (((n) & (3 << 24)) >> 24) | |
191 | #define DWC3_GHWPARAMS1_EN_PWROPT_NO 0 | |
192 | #define DWC3_GHWPARAMS1_EN_PWROPT_CLK 1 | |
193 | #define DWC3_GHWPARAMS1_EN_PWROPT_HIB 2 | |
194 | #define DWC3_GHWPARAMS1_PWROPT(n) ((n) << 24) | |
195 | #define DWC3_GHWPARAMS1_PWROPT_MASK DWC3_GHWPARAMS1_PWROPT(3) | |
196 | ||
197 | /* Global HWPARAMS3 Register */ | |
198 | #define DWC3_GHWPARAMS3_SSPHY_IFC(n) ((n) & 3) | |
199 | #define DWC3_GHWPARAMS3_SSPHY_IFC_DIS 0 | |
200 | #define DWC3_GHWPARAMS3_SSPHY_IFC_ENA 1 | |
201 | #define DWC3_GHWPARAMS3_HSPHY_IFC(n) (((n) & (3 << 2)) >> 2) | |
202 | #define DWC3_GHWPARAMS3_HSPHY_IFC_DIS 0 | |
203 | #define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI 1 | |
204 | #define DWC3_GHWPARAMS3_HSPHY_IFC_ULPI 2 | |
205 | #define DWC3_GHWPARAMS3_HSPHY_IFC_UTMI_ULPI 3 | |
206 | #define DWC3_GHWPARAMS3_FSPHY_IFC(n) (((n) & (3 << 4)) >> 4) | |
207 | #define DWC3_GHWPARAMS3_FSPHY_IFC_DIS 0 | |
208 | #define DWC3_GHWPARAMS3_FSPHY_IFC_ENA 1 | |
209 | ||
210 | /* Global HWPARAMS4 Register */ | |
211 | #define DWC3_GHWPARAMS4_HIBER_SCRATCHBUFS(n) (((n) & (0x0f << 13)) >> 13) | |
212 | #define DWC3_MAX_HIBER_SCRATCHBUFS 15 | |
213 | ||
214 | /* Global HWPARAMS6 Register */ | |
215 | #define DWC3_GHWPARAMS6_EN_FPGA (1 << 7) | |
216 | ||
217 | /* Device Configuration Register */ | |
218 | #define DWC3_DCFG_DEVADDR(addr) ((addr) << 3) | |
219 | #define DWC3_DCFG_DEVADDR_MASK DWC3_DCFG_DEVADDR(0x7f) | |
220 | ||
221 | #define DWC3_DCFG_SPEED_MASK (7 << 0) | |
222 | #define DWC3_DCFG_SUPERSPEED (4 << 0) | |
223 | #define DWC3_DCFG_HIGHSPEED (0 << 0) | |
224 | #define DWC3_DCFG_FULLSPEED2 (1 << 0) | |
225 | #define DWC3_DCFG_LOWSPEED (2 << 0) | |
226 | #define DWC3_DCFG_FULLSPEED1 (3 << 0) | |
227 | ||
228 | #define DWC3_DCFG_LPM_CAP (1 << 22) | |
229 | ||
230 | /* Device Control Register */ | |
231 | #define DWC3_DCTL_RUN_STOP (1 << 31) | |
232 | #define DWC3_DCTL_CSFTRST (1 << 30) | |
233 | #define DWC3_DCTL_LSFTRST (1 << 29) | |
234 | ||
235 | #define DWC3_DCTL_HIRD_THRES_MASK (0x1f << 24) | |
236 | #define DWC3_DCTL_HIRD_THRES(n) ((n) << 24) | |
237 | ||
238 | #define DWC3_DCTL_APPL1RES (1 << 23) | |
239 | ||
240 | /* These apply for core versions 1.87a and earlier */ | |
241 | #define DWC3_DCTL_TRGTULST_MASK (0x0f << 17) | |
242 | #define DWC3_DCTL_TRGTULST(n) ((n) << 17) | |
243 | #define DWC3_DCTL_TRGTULST_U2 (DWC3_DCTL_TRGTULST(2)) | |
244 | #define DWC3_DCTL_TRGTULST_U3 (DWC3_DCTL_TRGTULST(3)) | |
245 | #define DWC3_DCTL_TRGTULST_SS_DIS (DWC3_DCTL_TRGTULST(4)) | |
246 | #define DWC3_DCTL_TRGTULST_RX_DET (DWC3_DCTL_TRGTULST(5)) | |
247 | #define DWC3_DCTL_TRGTULST_SS_INACT (DWC3_DCTL_TRGTULST(6)) | |
248 | ||
249 | /* These apply for core versions 1.94a and later */ | |
250 | #define DWC3_DCTL_LPM_ERRATA_MASK DWC3_DCTL_LPM_ERRATA(0xf) | |
251 | #define DWC3_DCTL_LPM_ERRATA(n) ((n) << 20) | |
252 | ||
253 | #define DWC3_DCTL_KEEP_CONNECT (1 << 19) | |
254 | #define DWC3_DCTL_L1_HIBER_EN (1 << 18) | |
255 | #define DWC3_DCTL_CRS (1 << 17) | |
256 | #define DWC3_DCTL_CSS (1 << 16) | |
257 | ||
258 | #define DWC3_DCTL_INITU2ENA (1 << 12) | |
259 | #define DWC3_DCTL_ACCEPTU2ENA (1 << 11) | |
260 | #define DWC3_DCTL_INITU1ENA (1 << 10) | |
261 | #define DWC3_DCTL_ACCEPTU1ENA (1 << 9) | |
262 | #define DWC3_DCTL_TSTCTRL_MASK (0xf << 1) | |
263 | ||
264 | #define DWC3_DCTL_ULSTCHNGREQ_MASK (0x0f << 5) | |
265 | #define DWC3_DCTL_ULSTCHNGREQ(n) (((n) << 5) & DWC3_DCTL_ULSTCHNGREQ_MASK) | |
266 | ||
267 | #define DWC3_DCTL_ULSTCHNG_NO_ACTION (DWC3_DCTL_ULSTCHNGREQ(0)) | |
268 | #define DWC3_DCTL_ULSTCHNG_SS_DISABLED (DWC3_DCTL_ULSTCHNGREQ(4)) | |
269 | #define DWC3_DCTL_ULSTCHNG_RX_DETECT (DWC3_DCTL_ULSTCHNGREQ(5)) | |
270 | #define DWC3_DCTL_ULSTCHNG_SS_INACTIVE (DWC3_DCTL_ULSTCHNGREQ(6)) | |
271 | #define DWC3_DCTL_ULSTCHNG_RECOVERY (DWC3_DCTL_ULSTCHNGREQ(8)) | |
272 | #define DWC3_DCTL_ULSTCHNG_COMPLIANCE (DWC3_DCTL_ULSTCHNGREQ(10)) | |
273 | #define DWC3_DCTL_ULSTCHNG_LOOPBACK (DWC3_DCTL_ULSTCHNGREQ(11)) | |
274 | ||
275 | /* Device Event Enable Register */ | |
276 | #define DWC3_DEVTEN_VNDRDEVTSTRCVEDEN (1 << 12) | |
277 | #define DWC3_DEVTEN_EVNTOVERFLOWEN (1 << 11) | |
278 | #define DWC3_DEVTEN_CMDCMPLTEN (1 << 10) | |
279 | #define DWC3_DEVTEN_ERRTICERREN (1 << 9) | |
280 | #define DWC3_DEVTEN_SOFEN (1 << 7) | |
281 | #define DWC3_DEVTEN_EOPFEN (1 << 6) | |
282 | #define DWC3_DEVTEN_HIBERNATIONREQEVTEN (1 << 5) | |
283 | #define DWC3_DEVTEN_WKUPEVTEN (1 << 4) | |
284 | #define DWC3_DEVTEN_ULSTCNGEN (1 << 3) | |
285 | #define DWC3_DEVTEN_CONNECTDONEEN (1 << 2) | |
286 | #define DWC3_DEVTEN_USBRSTEN (1 << 1) | |
287 | #define DWC3_DEVTEN_DISCONNEVTEN (1 << 0) | |
288 | ||
289 | /* Device Status Register */ | |
290 | #define DWC3_DSTS_DCNRD (1 << 29) | |
291 | ||
292 | /* This applies for core versions 1.87a and earlier */ | |
293 | #define DWC3_DSTS_PWRUPREQ (1 << 24) | |
294 | ||
295 | /* These apply for core versions 1.94a and later */ | |
296 | #define DWC3_DSTS_RSS (1 << 25) | |
297 | #define DWC3_DSTS_SSS (1 << 24) | |
298 | ||
299 | #define DWC3_DSTS_COREIDLE (1 << 23) | |
300 | #define DWC3_DSTS_DEVCTRLHLT (1 << 22) | |
301 | ||
302 | #define DWC3_DSTS_USBLNKST_MASK (0x0f << 18) | |
303 | #define DWC3_DSTS_USBLNKST(n) (((n) & DWC3_DSTS_USBLNKST_MASK) >> 18) | |
304 | ||
305 | #define DWC3_DSTS_RXFIFOEMPTY (1 << 17) | |
306 | ||
307 | #define DWC3_DSTS_SOFFN_MASK (0x3fff << 3) | |
308 | #define DWC3_DSTS_SOFFN(n) (((n) & DWC3_DSTS_SOFFN_MASK) >> 3) | |
309 | ||
310 | #define DWC3_DSTS_CONNECTSPD (7 << 0) | |
311 | ||
312 | #define DWC3_DSTS_SUPERSPEED (4 << 0) | |
313 | #define DWC3_DSTS_HIGHSPEED (0 << 0) | |
314 | #define DWC3_DSTS_FULLSPEED2 (1 << 0) | |
315 | #define DWC3_DSTS_LOWSPEED (2 << 0) | |
316 | #define DWC3_DSTS_FULLSPEED1 (3 << 0) | |
317 | ||
318 | /* Device Generic Command Register */ | |
319 | #define DWC3_DGCMD_SET_LMP 0x01 | |
320 | #define DWC3_DGCMD_SET_PERIODIC_PAR 0x02 | |
321 | #define DWC3_DGCMD_XMIT_FUNCTION 0x03 | |
322 | ||
323 | /* These apply for core versions 1.94a and later */ | |
324 | #define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_LO 0x04 | |
325 | #define DWC3_DGCMD_SET_SCRATCHPAD_ADDR_HI 0x05 | |
326 | ||
327 | #define DWC3_DGCMD_SELECTED_FIFO_FLUSH 0x09 | |
328 | #define DWC3_DGCMD_ALL_FIFO_FLUSH 0x0a | |
329 | #define DWC3_DGCMD_SET_ENDPOINT_NRDY 0x0c | |
330 | #define DWC3_DGCMD_RUN_SOC_BUS_LOOPBACK 0x10 | |
331 | ||
332 | #define DWC3_DGCMD_STATUS(n) (((n) >> 15) & 1) | |
333 | #define DWC3_DGCMD_CMDACT (1 << 10) | |
334 | #define DWC3_DGCMD_CMDIOC (1 << 8) | |
335 | ||
336 | /* Device Generic Command Parameter Register */ | |
337 | #define DWC3_DGCMDPAR_FORCE_LINKPM_ACCEPT (1 << 0) | |
338 | #define DWC3_DGCMDPAR_FIFO_NUM(n) ((n) << 0) | |
339 | #define DWC3_DGCMDPAR_RX_FIFO (0 << 5) | |
340 | #define DWC3_DGCMDPAR_TX_FIFO (1 << 5) | |
341 | #define DWC3_DGCMDPAR_LOOPBACK_DIS (0 << 0) | |
342 | #define DWC3_DGCMDPAR_LOOPBACK_ENA (1 << 0) | |
343 | ||
344 | /* Device Endpoint Command Register */ | |
345 | #define DWC3_DEPCMD_PARAM_SHIFT 16 | |
346 | #define DWC3_DEPCMD_PARAM(x) ((x) << DWC3_DEPCMD_PARAM_SHIFT) | |
347 | #define DWC3_DEPCMD_GET_RSC_IDX(x) (((x) >> DWC3_DEPCMD_PARAM_SHIFT) & 0x7f) | |
348 | #define DWC3_DEPCMD_STATUS(x) (((x) >> 15) & 1) | |
349 | #define DWC3_DEPCMD_HIPRI_FORCERM (1 << 11) | |
350 | #define DWC3_DEPCMD_CMDACT (1 << 10) | |
351 | #define DWC3_DEPCMD_CMDIOC (1 << 8) | |
352 | ||
353 | #define DWC3_DEPCMD_DEPSTARTCFG (0x09 << 0) | |
354 | #define DWC3_DEPCMD_ENDTRANSFER (0x08 << 0) | |
355 | #define DWC3_DEPCMD_UPDATETRANSFER (0x07 << 0) | |
356 | #define DWC3_DEPCMD_STARTTRANSFER (0x06 << 0) | |
357 | #define DWC3_DEPCMD_CLEARSTALL (0x05 << 0) | |
358 | #define DWC3_DEPCMD_SETSTALL (0x04 << 0) | |
359 | /* This applies for core versions 1.90a and earlier */ | |
360 | #define DWC3_DEPCMD_GETSEQNUMBER (0x03 << 0) | |
361 | /* This applies for core versions 1.94a and later */ | |
362 | #define DWC3_DEPCMD_GETEPSTATE (0x03 << 0) | |
363 | #define DWC3_DEPCMD_SETTRANSFRESOURCE (0x02 << 0) | |
364 | #define DWC3_DEPCMD_SETEPCONFIG (0x01 << 0) | |
365 | ||
366 | /* The EP number goes 0..31 so ep0 is always out and ep1 is always in */ | |
367 | #define DWC3_DALEPENA_EP(n) (1 << n) | |
368 | ||
369 | #define DWC3_DEPCMD_TYPE_CONTROL 0 | |
370 | #define DWC3_DEPCMD_TYPE_ISOC 1 | |
371 | #define DWC3_DEPCMD_TYPE_BULK 2 | |
372 | #define DWC3_DEPCMD_TYPE_INTR 3 | |
373 | ||
374 | /* Structures */ | |
375 | ||
376 | struct dwc3_trb; | |
377 | ||
378 | /** | |
379 | * struct dwc3_event_buffer - Software event buffer representation | |
380 | * @buf: _THE_ buffer | |
381 | * @length: size of this buffer | |
382 | * @lpos: event offset | |
383 | * @count: cache of last read event count register | |
384 | * @flags: flags related to this event buffer | |
385 | * @dma: dma_addr_t | |
386 | * @dwc: pointer to DWC controller | |
387 | */ | |
388 | struct dwc3_event_buffer { | |
389 | void *buf; | |
390 | unsigned length; | |
391 | unsigned int lpos; | |
392 | unsigned int count; | |
393 | unsigned int flags; | |
394 | ||
395 | #define DWC3_EVENT_PENDING BIT(0) | |
396 | ||
397 | dma_addr_t dma; | |
398 | ||
399 | struct dwc3 *dwc; | |
400 | }; | |
401 | ||
402 | #define DWC3_EP_FLAG_STALLED (1 << 0) | |
403 | #define DWC3_EP_FLAG_WEDGED (1 << 1) | |
404 | ||
405 | #define DWC3_EP_DIRECTION_TX true | |
406 | #define DWC3_EP_DIRECTION_RX false | |
407 | ||
408 | #define DWC3_TRB_NUM 32 | |
409 | #define DWC3_TRB_MASK (DWC3_TRB_NUM - 1) | |
410 | ||
411 | /** | |
412 | * struct dwc3_ep - device side endpoint representation | |
413 | * @endpoint: usb endpoint | |
414 | * @request_list: list of requests for this endpoint | |
415 | * @req_queued: list of requests on this ep which have TRBs setup | |
416 | * @trb_pool: array of transaction buffers | |
417 | * @trb_pool_dma: dma address of @trb_pool | |
418 | * @free_slot: next slot which is going to be used | |
419 | * @busy_slot: first slot which is owned by HW | |
420 | * @desc: usb_endpoint_descriptor pointer | |
421 | * @dwc: pointer to DWC controller | |
422 | * @saved_state: ep state saved during hibernation | |
423 | * @flags: endpoint flags (wedged, stalled, ...) | |
424 | * @current_trb: index of current used trb | |
425 | * @number: endpoint number (1 - 15) | |
426 | * @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK | |
427 | * @resource_index: Resource transfer index | |
428 | * @interval: the interval on which the ISOC transfer is started | |
429 | * @name: a human readable name e.g. ep1out-bulk | |
430 | * @direction: true for TX, false for RX | |
431 | * @stream_capable: true when streams are enabled | |
432 | */ | |
433 | struct dwc3_ep { | |
434 | struct usb_ep endpoint; | |
435 | struct list_head request_list; | |
436 | struct list_head req_queued; | |
437 | ||
438 | struct dwc3_trb *trb_pool; | |
439 | dma_addr_t trb_pool_dma; | |
440 | u32 free_slot; | |
441 | u32 busy_slot; | |
442 | const struct usb_ss_ep_comp_descriptor *comp_desc; | |
443 | struct dwc3 *dwc; | |
444 | ||
445 | u32 saved_state; | |
446 | unsigned flags; | |
447 | #define DWC3_EP_ENABLED (1 << 0) | |
448 | #define DWC3_EP_STALL (1 << 1) | |
449 | #define DWC3_EP_WEDGE (1 << 2) | |
450 | #define DWC3_EP_BUSY (1 << 4) | |
451 | #define DWC3_EP_PENDING_REQUEST (1 << 5) | |
452 | #define DWC3_EP_MISSED_ISOC (1 << 6) | |
453 | ||
454 | /* This last one is specific to EP0 */ | |
455 | #define DWC3_EP0_DIR_IN (1 << 31) | |
456 | ||
457 | unsigned current_trb; | |
458 | ||
459 | u8 number; | |
460 | u8 type; | |
461 | u8 resource_index; | |
462 | u32 interval; | |
463 | ||
464 | char name[20]; | |
465 | ||
466 | unsigned direction:1; | |
467 | unsigned stream_capable:1; | |
468 | }; | |
469 | ||
470 | enum dwc3_phy { | |
471 | DWC3_PHY_UNKNOWN = 0, | |
472 | DWC3_PHY_USB3, | |
473 | DWC3_PHY_USB2, | |
474 | }; | |
475 | ||
476 | enum dwc3_ep0_next { | |
477 | DWC3_EP0_UNKNOWN = 0, | |
478 | DWC3_EP0_COMPLETE, | |
479 | DWC3_EP0_NRDY_DATA, | |
480 | DWC3_EP0_NRDY_STATUS, | |
481 | }; | |
482 | ||
483 | enum dwc3_ep0_state { | |
484 | EP0_UNCONNECTED = 0, | |
485 | EP0_SETUP_PHASE, | |
486 | EP0_DATA_PHASE, | |
487 | EP0_STATUS_PHASE, | |
488 | }; | |
489 | ||
490 | enum dwc3_link_state { | |
491 | /* In SuperSpeed */ | |
492 | DWC3_LINK_STATE_U0 = 0x00, /* in HS, means ON */ | |
493 | DWC3_LINK_STATE_U1 = 0x01, | |
494 | DWC3_LINK_STATE_U2 = 0x02, /* in HS, means SLEEP */ | |
495 | DWC3_LINK_STATE_U3 = 0x03, /* in HS, means SUSPEND */ | |
496 | DWC3_LINK_STATE_SS_DIS = 0x04, | |
497 | DWC3_LINK_STATE_RX_DET = 0x05, /* in HS, means Early Suspend */ | |
498 | DWC3_LINK_STATE_SS_INACT = 0x06, | |
499 | DWC3_LINK_STATE_POLL = 0x07, | |
500 | DWC3_LINK_STATE_RECOV = 0x08, | |
501 | DWC3_LINK_STATE_HRESET = 0x09, | |
502 | DWC3_LINK_STATE_CMPLY = 0x0a, | |
503 | DWC3_LINK_STATE_LPBK = 0x0b, | |
504 | DWC3_LINK_STATE_RESET = 0x0e, | |
505 | DWC3_LINK_STATE_RESUME = 0x0f, | |
506 | DWC3_LINK_STATE_MASK = 0x0f, | |
507 | }; | |
508 | ||
509 | /* TRB Length, PCM and Status */ | |
510 | #define DWC3_TRB_SIZE_MASK (0x00ffffff) | |
511 | #define DWC3_TRB_SIZE_LENGTH(n) ((n) & DWC3_TRB_SIZE_MASK) | |
512 | #define DWC3_TRB_SIZE_PCM1(n) (((n) & 0x03) << 24) | |
513 | #define DWC3_TRB_SIZE_TRBSTS(n) (((n) & (0x0f << 28)) >> 28) | |
514 | ||
515 | #define DWC3_TRBSTS_OK 0 | |
516 | #define DWC3_TRBSTS_MISSED_ISOC 1 | |
517 | #define DWC3_TRBSTS_SETUP_PENDING 2 | |
518 | #define DWC3_TRB_STS_XFER_IN_PROG 4 | |
519 | ||
520 | /* TRB Control */ | |
521 | #define DWC3_TRB_CTRL_HWO (1 << 0) | |
522 | #define DWC3_TRB_CTRL_LST (1 << 1) | |
523 | #define DWC3_TRB_CTRL_CHN (1 << 2) | |
524 | #define DWC3_TRB_CTRL_CSP (1 << 3) | |
525 | #define DWC3_TRB_CTRL_TRBCTL(n) (((n) & 0x3f) << 4) | |
526 | #define DWC3_TRB_CTRL_ISP_IMI (1 << 10) | |
527 | #define DWC3_TRB_CTRL_IOC (1 << 11) | |
528 | #define DWC3_TRB_CTRL_SID_SOFN(n) (((n) & 0xffff) << 14) | |
529 | ||
530 | #define DWC3_TRBCTL_NORMAL DWC3_TRB_CTRL_TRBCTL(1) | |
531 | #define DWC3_TRBCTL_CONTROL_SETUP DWC3_TRB_CTRL_TRBCTL(2) | |
532 | #define DWC3_TRBCTL_CONTROL_STATUS2 DWC3_TRB_CTRL_TRBCTL(3) | |
533 | #define DWC3_TRBCTL_CONTROL_STATUS3 DWC3_TRB_CTRL_TRBCTL(4) | |
534 | #define DWC3_TRBCTL_CONTROL_DATA DWC3_TRB_CTRL_TRBCTL(5) | |
535 | #define DWC3_TRBCTL_ISOCHRONOUS_FIRST DWC3_TRB_CTRL_TRBCTL(6) | |
536 | #define DWC3_TRBCTL_ISOCHRONOUS DWC3_TRB_CTRL_TRBCTL(7) | |
537 | #define DWC3_TRBCTL_LINK_TRB DWC3_TRB_CTRL_TRBCTL(8) | |
538 | ||
539 | /** | |
540 | * struct dwc3_trb - transfer request block (hw format) | |
541 | * @bpl: DW0-3 | |
542 | * @bph: DW4-7 | |
543 | * @size: DW8-B | |
544 | * @trl: DWC-F | |
545 | */ | |
546 | struct dwc3_trb { | |
547 | u32 bpl; | |
548 | u32 bph; | |
549 | u32 size; | |
550 | u32 ctrl; | |
551 | } __packed; | |
552 | ||
553 | /** | |
554 | * dwc3_hwparams - copy of HWPARAMS registers | |
555 | * @hwparams0 - GHWPARAMS0 | |
556 | * @hwparams1 - GHWPARAMS1 | |
557 | * @hwparams2 - GHWPARAMS2 | |
558 | * @hwparams3 - GHWPARAMS3 | |
559 | * @hwparams4 - GHWPARAMS4 | |
560 | * @hwparams5 - GHWPARAMS5 | |
561 | * @hwparams6 - GHWPARAMS6 | |
562 | * @hwparams7 - GHWPARAMS7 | |
563 | * @hwparams8 - GHWPARAMS8 | |
564 | */ | |
565 | struct dwc3_hwparams { | |
566 | u32 hwparams0; | |
567 | u32 hwparams1; | |
568 | u32 hwparams2; | |
569 | u32 hwparams3; | |
570 | u32 hwparams4; | |
571 | u32 hwparams5; | |
572 | u32 hwparams6; | |
573 | u32 hwparams7; | |
574 | u32 hwparams8; | |
575 | }; | |
576 | ||
577 | /* HWPARAMS0 */ | |
578 | #define DWC3_MODE(n) ((n) & 0x7) | |
579 | ||
580 | #define DWC3_MDWIDTH(n) (((n) & 0xff00) >> 8) | |
581 | ||
582 | /* HWPARAMS1 */ | |
583 | #define DWC3_NUM_INT(n) (((n) & (0x3f << 15)) >> 15) | |
584 | ||
585 | /* HWPARAMS3 */ | |
586 | #define DWC3_NUM_IN_EPS_MASK (0x1f << 18) | |
587 | #define DWC3_NUM_EPS_MASK (0x3f << 12) | |
588 | #define DWC3_NUM_EPS(p) (((p)->hwparams3 & \ | |
589 | (DWC3_NUM_EPS_MASK)) >> 12) | |
590 | #define DWC3_NUM_IN_EPS(p) (((p)->hwparams3 & \ | |
591 | (DWC3_NUM_IN_EPS_MASK)) >> 18) | |
592 | ||
593 | /* HWPARAMS7 */ | |
594 | #define DWC3_RAM1_DEPTH(n) ((n) & 0xffff) | |
595 | ||
596 | struct dwc3_request { | |
597 | struct usb_request request; | |
598 | struct list_head list; | |
599 | struct dwc3_ep *dep; | |
600 | u32 start_slot; | |
601 | ||
602 | u8 epnum; | |
603 | struct dwc3_trb *trb; | |
604 | dma_addr_t trb_dma; | |
605 | ||
606 | unsigned direction:1; | |
607 | unsigned mapped:1; | |
608 | unsigned queued:1; | |
609 | }; | |
610 | ||
611 | /* | |
612 | * struct dwc3_scratchpad_array - hibernation scratchpad array | |
613 | * (format defined by hw) | |
614 | */ | |
615 | struct dwc3_scratchpad_array { | |
616 | __le64 dma_adr[DWC3_MAX_HIBER_SCRATCHBUFS]; | |
617 | }; | |
618 | ||
619 | /** | |
620 | * struct dwc3 - representation of our controller | |
621 | * @ctrl_req: usb control request which is used for ep0 | |
622 | * @ep0_trb: trb which is used for the ctrl_req | |
623 | * @ep0_bounce: bounce buffer for ep0 | |
624 | * @setup_buf: used while precessing STD USB requests | |
625 | * @ctrl_req_addr: dma address of ctrl_req | |
626 | * @ep0_trb: dma address of ep0_trb | |
627 | * @ep0_usb_req: dummy req used while handling STD USB requests | |
628 | * @ep0_bounce_addr: dma address of ep0_bounce | |
629 | * @scratch_addr: dma address of scratchbuf | |
630 | * @lock: for synchronizing | |
631 | * @dev: pointer to our struct device | |
632 | * @xhci: pointer to our xHCI child | |
633 | * @event_buffer_list: a list of event buffers | |
634 | * @gadget: device side representation of the peripheral controller | |
635 | * @gadget_driver: pointer to the gadget driver | |
636 | * @regs: base address for our registers | |
637 | * @regs_size: address space size | |
638 | * @nr_scratch: number of scratch buffers | |
639 | * @num_event_buffers: calculated number of event buffers | |
640 | * @u1u2: only used on revisions <1.83a for workaround | |
641 | * @maximum_speed: maximum speed requested (mainly for testing purposes) | |
642 | * @revision: revision register contents | |
643 | * @dr_mode: requested mode of operation | |
85d5e707 KVA |
644 | * @dcfg: saved contents of DCFG register |
645 | * @gctl: saved contents of GCTL register | |
646 | * @isoch_delay: wValue from Set Isochronous Delay request; | |
647 | * @u2sel: parameter from Set SEL request. | |
648 | * @u2pel: parameter from Set SEL request. | |
649 | * @u1sel: parameter from Set SEL request. | |
650 | * @u1pel: parameter from Set SEL request. | |
651 | * @num_out_eps: number of out endpoints | |
652 | * @num_in_eps: number of in endpoints | |
653 | * @ep0_next_event: hold the next expected event | |
654 | * @ep0state: state of endpoint zero | |
655 | * @link_state: link state | |
656 | * @speed: device speed (super, high, full, low) | |
657 | * @mem: points to start of memory which is used for this struct. | |
658 | * @hwparams: copy of hwparams registers | |
659 | * @root: debugfs root folder pointer | |
660 | * @regset: debugfs pointer to regdump file | |
661 | * @test_mode: true when we're entering a USB test mode | |
662 | * @test_mode_nr: test feature selector | |
663 | * @lpm_nyet_threshold: LPM NYET response threshold | |
664 | * @hird_threshold: HIRD threshold | |
665 | * @delayed_status: true when gadget driver asks for delayed status | |
666 | * @ep0_bounced: true when we used bounce buffer | |
667 | * @ep0_expect_in: true when we expect a DATA IN transfer | |
668 | * @has_hibernation: true when dwc3 was configured with Hibernation | |
669 | * @has_lpm_erratum: true when core was configured with LPM Erratum. Note that | |
670 | * there's now way for software to detect this in runtime. | |
671 | * @is_utmi_l1_suspend: the core asserts output signal | |
672 | * 0 - utmi_sleep_n | |
673 | * 1 - utmi_l1_suspend_n | |
674 | * @is_selfpowered: true when we are selfpowered | |
675 | * @is_fpga: true when we are using the FPGA board | |
676 | * @needs_fifo_resize: not all users might want fifo resizing, flag it | |
677 | * @pullups_connected: true when Run/Stop bit is set | |
678 | * @resize_fifos: tells us it's ok to reconfigure our TxFIFO sizes. | |
679 | * @setup_packet_pending: true when there's a Setup Packet in FIFO. Workaround | |
680 | * @start_config_issued: true when StartConfig command has been issued | |
681 | * @three_stage_setup: set if we perform a three phase setup | |
682 | * @disable_scramble_quirk: set if we enable the disable scramble quirk | |
683 | * @u2exit_lfps_quirk: set if we enable u2exit lfps quirk | |
684 | * @u2ss_inp3_quirk: set if we enable P3 OK for U2/SS Inactive quirk | |
685 | * @req_p1p2p3_quirk: set if we enable request p1p2p3 quirk | |
686 | * @del_p1p2p3_quirk: set if we enable delay p1p2p3 quirk | |
687 | * @del_phy_power_chg_quirk: set if we enable delay phy power change quirk | |
688 | * @lfps_filter_quirk: set if we enable LFPS filter quirk | |
689 | * @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk | |
690 | * @dis_u3_susphy_quirk: set if we disable usb3 suspend phy | |
691 | * @dis_u2_susphy_quirk: set if we disable usb2 suspend phy | |
692 | * @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk | |
693 | * @tx_de_emphasis: Tx de-emphasis value | |
694 | * 0 - -6dB de-emphasis | |
695 | * 1 - -3.5dB de-emphasis | |
696 | * 2 - No de-emphasis | |
697 | * 3 - Reserved | |
698 | */ | |
699 | struct dwc3 { | |
700 | struct usb_ctrlrequest *ctrl_req; | |
701 | struct dwc3_trb *ep0_trb; | |
702 | void *ep0_bounce; | |
703 | void *scratchbuf; | |
704 | u8 *setup_buf; | |
705 | dma_addr_t ctrl_req_addr; | |
706 | dma_addr_t ep0_trb_addr; | |
707 | dma_addr_t ep0_bounce_addr; | |
708 | dma_addr_t scratch_addr; | |
709 | struct dwc3_request ep0_usb_req; | |
710 | ||
711 | /* device lock */ | |
712 | spinlock_t lock; | |
713 | ||
714 | struct device *dev; | |
715 | ||
716 | struct platform_device *xhci; | |
717 | struct resource xhci_resources[DWC3_XHCI_RESOURCES_NUM]; | |
718 | ||
719 | struct dwc3_event_buffer **ev_buffs; | |
720 | struct dwc3_ep *eps[DWC3_ENDPOINTS_NUM]; | |
721 | ||
722 | struct usb_gadget gadget; | |
723 | struct usb_gadget_driver *gadget_driver; | |
724 | ||
85d5e707 KVA |
725 | void __iomem *regs; |
726 | size_t regs_size; | |
727 | ||
728 | enum usb_dr_mode dr_mode; | |
729 | ||
730 | /* used for suspend/resume */ | |
731 | u32 dcfg; | |
732 | u32 gctl; | |
733 | ||
734 | u32 nr_scratch; | |
735 | u32 num_event_buffers; | |
736 | u32 u1u2; | |
737 | u32 maximum_speed; | |
738 | u32 revision; | |
739 | ||
740 | #define DWC3_REVISION_173A 0x5533173a | |
741 | #define DWC3_REVISION_175A 0x5533175a | |
742 | #define DWC3_REVISION_180A 0x5533180a | |
743 | #define DWC3_REVISION_183A 0x5533183a | |
744 | #define DWC3_REVISION_185A 0x5533185a | |
745 | #define DWC3_REVISION_187A 0x5533187a | |
746 | #define DWC3_REVISION_188A 0x5533188a | |
747 | #define DWC3_REVISION_190A 0x5533190a | |
748 | #define DWC3_REVISION_194A 0x5533194a | |
749 | #define DWC3_REVISION_200A 0x5533200a | |
750 | #define DWC3_REVISION_202A 0x5533202a | |
751 | #define DWC3_REVISION_210A 0x5533210a | |
752 | #define DWC3_REVISION_220A 0x5533220a | |
753 | #define DWC3_REVISION_230A 0x5533230a | |
754 | #define DWC3_REVISION_240A 0x5533240a | |
755 | #define DWC3_REVISION_250A 0x5533250a | |
756 | #define DWC3_REVISION_260A 0x5533260a | |
757 | #define DWC3_REVISION_270A 0x5533270a | |
758 | #define DWC3_REVISION_280A 0x5533280a | |
759 | ||
760 | enum dwc3_ep0_next ep0_next_event; | |
761 | enum dwc3_ep0_state ep0state; | |
762 | enum dwc3_link_state link_state; | |
763 | ||
764 | u16 isoch_delay; | |
765 | u16 u2sel; | |
766 | u16 u2pel; | |
767 | u8 u1sel; | |
768 | u8 u1pel; | |
769 | ||
770 | u8 speed; | |
771 | ||
772 | u8 num_out_eps; | |
773 | u8 num_in_eps; | |
774 | ||
775 | void *mem; | |
776 | ||
777 | struct dwc3_hwparams hwparams; | |
778 | struct dentry *root; | |
779 | struct debugfs_regset32 *regset; | |
780 | ||
781 | u8 test_mode; | |
782 | u8 test_mode_nr; | |
783 | u8 lpm_nyet_threshold; | |
784 | u8 hird_threshold; | |
785 | ||
786 | unsigned delayed_status:1; | |
787 | unsigned ep0_bounced:1; | |
788 | unsigned ep0_expect_in:1; | |
789 | unsigned has_hibernation:1; | |
790 | unsigned has_lpm_erratum:1; | |
791 | unsigned is_utmi_l1_suspend:1; | |
792 | unsigned is_selfpowered:1; | |
793 | unsigned is_fpga:1; | |
794 | unsigned needs_fifo_resize:1; | |
795 | unsigned pullups_connected:1; | |
796 | unsigned resize_fifos:1; | |
797 | unsigned setup_packet_pending:1; | |
798 | unsigned start_config_issued:1; | |
799 | unsigned three_stage_setup:1; | |
800 | ||
801 | unsigned disable_scramble_quirk:1; | |
802 | unsigned u2exit_lfps_quirk:1; | |
803 | unsigned u2ss_inp3_quirk:1; | |
804 | unsigned req_p1p2p3_quirk:1; | |
805 | unsigned del_p1p2p3_quirk:1; | |
806 | unsigned del_phy_power_chg_quirk:1; | |
807 | unsigned lfps_filter_quirk:1; | |
808 | unsigned rx_detect_poll_quirk:1; | |
809 | unsigned dis_u3_susphy_quirk:1; | |
810 | unsigned dis_u2_susphy_quirk:1; | |
811 | ||
812 | unsigned tx_de_emphasis_quirk:1; | |
813 | unsigned tx_de_emphasis:2; | |
814 | }; | |
815 | ||
816 | /* -------------------------------------------------------------------------- */ | |
817 | ||
818 | /* -------------------------------------------------------------------------- */ | |
819 | ||
820 | struct dwc3_event_type { | |
821 | u32 is_devspec:1; | |
822 | u32 type:7; | |
823 | u32 reserved8_31:24; | |
824 | } __packed; | |
825 | ||
826 | #define DWC3_DEPEVT_XFERCOMPLETE 0x01 | |
827 | #define DWC3_DEPEVT_XFERINPROGRESS 0x02 | |
828 | #define DWC3_DEPEVT_XFERNOTREADY 0x03 | |
829 | #define DWC3_DEPEVT_RXTXFIFOEVT 0x04 | |
830 | #define DWC3_DEPEVT_STREAMEVT 0x06 | |
831 | #define DWC3_DEPEVT_EPCMDCMPLT 0x07 | |
832 | ||
b6d959ac KVA |
833 | /** |
834 | * dwc3_ep_event_string - returns event name | |
835 | * @event: then event code | |
836 | */ | |
837 | static inline const char *dwc3_ep_event_string(u8 event) | |
838 | { | |
839 | switch (event) { | |
840 | case DWC3_DEPEVT_XFERCOMPLETE: | |
841 | return "Transfer Complete"; | |
842 | case DWC3_DEPEVT_XFERINPROGRESS: | |
843 | return "Transfer In-Progress"; | |
844 | case DWC3_DEPEVT_XFERNOTREADY: | |
845 | return "Transfer Not Ready"; | |
846 | case DWC3_DEPEVT_RXTXFIFOEVT: | |
847 | return "FIFO"; | |
848 | case DWC3_DEPEVT_STREAMEVT: | |
849 | return "Stream"; | |
850 | case DWC3_DEPEVT_EPCMDCMPLT: | |
851 | return "Endpoint Command Complete"; | |
852 | } | |
853 | ||
854 | return "UNKNOWN"; | |
855 | } | |
856 | ||
85d5e707 KVA |
857 | /** |
858 | * struct dwc3_event_depvt - Device Endpoint Events | |
859 | * @one_bit: indicates this is an endpoint event (not used) | |
860 | * @endpoint_number: number of the endpoint | |
861 | * @endpoint_event: The event we have: | |
862 | * 0x00 - Reserved | |
863 | * 0x01 - XferComplete | |
864 | * 0x02 - XferInProgress | |
865 | * 0x03 - XferNotReady | |
866 | * 0x04 - RxTxFifoEvt (IN->Underrun, OUT->Overrun) | |
867 | * 0x05 - Reserved | |
868 | * 0x06 - StreamEvt | |
869 | * 0x07 - EPCmdCmplt | |
870 | * @reserved11_10: Reserved, don't use. | |
871 | * @status: Indicates the status of the event. Refer to databook for | |
872 | * more information. | |
873 | * @parameters: Parameters of the current event. Refer to databook for | |
874 | * more information. | |
875 | */ | |
876 | struct dwc3_event_depevt { | |
877 | u32 one_bit:1; | |
878 | u32 endpoint_number:5; | |
879 | u32 endpoint_event:4; | |
880 | u32 reserved11_10:2; | |
881 | u32 status:4; | |
882 | ||
883 | /* Within XferNotReady */ | |
884 | #define DEPEVT_STATUS_TRANSFER_ACTIVE (1 << 3) | |
885 | ||
886 | /* Within XferComplete */ | |
887 | #define DEPEVT_STATUS_BUSERR (1 << 0) | |
888 | #define DEPEVT_STATUS_SHORT (1 << 1) | |
889 | #define DEPEVT_STATUS_IOC (1 << 2) | |
890 | #define DEPEVT_STATUS_LST (1 << 3) | |
891 | ||
892 | /* Stream event only */ | |
893 | #define DEPEVT_STREAMEVT_FOUND 1 | |
894 | #define DEPEVT_STREAMEVT_NOTFOUND 2 | |
895 | ||
896 | /* Control-only Status */ | |
897 | #define DEPEVT_STATUS_CONTROL_DATA 1 | |
898 | #define DEPEVT_STATUS_CONTROL_STATUS 2 | |
899 | ||
900 | u32 parameters:16; | |
901 | } __packed; | |
902 | ||
903 | /** | |
904 | * struct dwc3_event_devt - Device Events | |
905 | * @one_bit: indicates this is a non-endpoint event (not used) | |
906 | * @device_event: indicates it's a device event. Should read as 0x00 | |
907 | * @type: indicates the type of device event. | |
908 | * 0 - DisconnEvt | |
909 | * 1 - USBRst | |
910 | * 2 - ConnectDone | |
911 | * 3 - ULStChng | |
912 | * 4 - WkUpEvt | |
913 | * 5 - Reserved | |
914 | * 6 - EOPF | |
915 | * 7 - SOF | |
916 | * 8 - Reserved | |
917 | * 9 - ErrticErr | |
918 | * 10 - CmdCmplt | |
919 | * 11 - EvntOverflow | |
920 | * 12 - VndrDevTstRcved | |
921 | * @reserved15_12: Reserved, not used | |
922 | * @event_info: Information about this event | |
923 | * @reserved31_25: Reserved, not used | |
924 | */ | |
925 | struct dwc3_event_devt { | |
926 | u32 one_bit:1; | |
927 | u32 device_event:7; | |
928 | u32 type:4; | |
929 | u32 reserved15_12:4; | |
930 | u32 event_info:9; | |
931 | u32 reserved31_25:7; | |
932 | } __packed; | |
933 | ||
934 | /** | |
935 | * struct dwc3_event_gevt - Other Core Events | |
936 | * @one_bit: indicates this is a non-endpoint event (not used) | |
937 | * @device_event: indicates it's (0x03) Carkit or (0x04) I2C event. | |
938 | * @phy_port_number: self-explanatory | |
939 | * @reserved31_12: Reserved, not used. | |
940 | */ | |
941 | struct dwc3_event_gevt { | |
942 | u32 one_bit:1; | |
943 | u32 device_event:7; | |
944 | u32 phy_port_number:4; | |
945 | u32 reserved31_12:20; | |
946 | } __packed; | |
947 | ||
948 | /** | |
949 | * union dwc3_event - representation of Event Buffer contents | |
950 | * @raw: raw 32-bit event | |
951 | * @type: the type of the event | |
952 | * @depevt: Device Endpoint Event | |
953 | * @devt: Device Event | |
954 | * @gevt: Global Event | |
955 | */ | |
956 | union dwc3_event { | |
957 | u32 raw; | |
958 | struct dwc3_event_type type; | |
959 | struct dwc3_event_depevt depevt; | |
960 | struct dwc3_event_devt devt; | |
961 | struct dwc3_event_gevt gevt; | |
962 | }; | |
963 | ||
964 | /** | |
965 | * struct dwc3_gadget_ep_cmd_params - representation of endpoint command | |
966 | * parameters | |
967 | * @param2: third parameter | |
968 | * @param1: second parameter | |
969 | * @param0: first parameter | |
970 | */ | |
971 | struct dwc3_gadget_ep_cmd_params { | |
972 | u32 param2; | |
973 | u32 param1; | |
974 | u32 param0; | |
975 | }; | |
976 | ||
977 | /* | |
978 | * DWC3 Features to be used as Driver Data | |
979 | */ | |
980 | ||
981 | #define DWC3_HAS_PERIPHERAL BIT(0) | |
982 | #define DWC3_HAS_XHCI BIT(1) | |
983 | #define DWC3_HAS_OTG BIT(3) | |
984 | ||
985 | /* prototypes */ | |
986 | void dwc3_set_mode(struct dwc3 *dwc, u32 mode); | |
987 | int dwc3_gadget_resize_tx_fifos(struct dwc3 *dwc); | |
988 | ||
9848e574 | 989 | #ifdef CONFIG_USB_DWC3_HOST |
85d5e707 KVA |
990 | int dwc3_host_init(struct dwc3 *dwc); |
991 | void dwc3_host_exit(struct dwc3 *dwc); | |
992 | #else | |
993 | static inline int dwc3_host_init(struct dwc3 *dwc) | |
994 | { return 0; } | |
995 | static inline void dwc3_host_exit(struct dwc3 *dwc) | |
996 | { } | |
997 | #endif | |
998 | ||
9848e574 | 999 | #ifdef CONFIG_USB_DWC3_GADGET |
85d5e707 KVA |
1000 | int dwc3_gadget_init(struct dwc3 *dwc); |
1001 | void dwc3_gadget_exit(struct dwc3 *dwc); | |
1002 | int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode); | |
1003 | int dwc3_gadget_get_link_state(struct dwc3 *dwc); | |
1004 | int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state); | |
1005 | int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, | |
1006 | unsigned cmd, struct dwc3_gadget_ep_cmd_params *params); | |
1007 | int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param); | |
1008 | #else | |
1009 | static inline int dwc3_gadget_init(struct dwc3 *dwc) | |
1010 | { return 0; } | |
1011 | static inline void dwc3_gadget_exit(struct dwc3 *dwc) | |
1012 | { } | |
1013 | static inline int dwc3_gadget_set_test_mode(struct dwc3 *dwc, int mode) | |
1014 | { return 0; } | |
1015 | static inline int dwc3_gadget_get_link_state(struct dwc3 *dwc) | |
1016 | { return 0; } | |
1017 | static inline int dwc3_gadget_set_link_state(struct dwc3 *dwc, | |
1018 | enum dwc3_link_state state) | |
1019 | { return 0; } | |
1020 | ||
1021 | static inline int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep, | |
1022 | unsigned cmd, struct dwc3_gadget_ep_cmd_params *params) | |
1023 | { return 0; } | |
1024 | static inline int dwc3_send_gadget_generic_command(struct dwc3 *dwc, | |
1025 | int cmd, u32 param) | |
1026 | { return 0; } | |
1027 | #endif | |
1028 | ||
85d5e707 | 1029 | #endif /* __DRIVERS_USB_DWC3_CORE_H */ |