1 /*
2  * Copyright (c) 2014, Linaro Ltd and Contributors. All rights reserved.
3  * Copyright (c) 2014, Hisilicon Ltd and Contributors. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * Redistributions of source code must retain the above copyright notice, this
9  * list of conditions and the following disclaimer.
10  *
11  * Redistributions in binary form must reproduce the above copyright notice,
12  * this list of conditions and the following disclaimer in the documentation
13  * and/or other materials provided with the distribution.
14  *
15  * Neither the name of ARM nor the names of its contributors may be used
16  * to endorse or promote products derived from this software without specific
17  * prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef __DWC_USB_H__
33 #define __DWC_USB_H__
34 
35 #define USB_DMA
36 
37 #define DWC_OTG_BASE			0xF72C0000
38 
39 #define USB_NUM_ENDPOINTS		2
40 #define MAX_EPS_CHANNELS		16
41 
42 #define BULK_OUT_EP			1
43 #define BULK_IN_EP			1
44 
45 #define RX_REQ_LEN			512
46 #define MAX_PACKET_LEN			512
47 
48 #define DATA_FIFO_CONFIG		(0x780 << GDFIFOCFG_EPINFOBASE_SHIFT |\
49 					 0x800 << GDFIFOCFG_GDFIFOCFG_SHIFT)
50 /* RX FIFO: 2048 bytes */
51 #define RX_SIZE				0x00000200
52 /* Non-periodic TX FIFO: 128 bytes. start address: 0x200 * 4. */
53 #define ENDPOINT_TX_SIZE		0x00200200
54 
55 /* EP1  TX FIFO: 1024 bytes. start address: 0x220 * 4. */
56 /* EP2  TX FIFO: 1024 bytes. start address: 0x320 * 4. */
57 /* EP3  TX FIFO: 1024 bytes. start address: 0x420 * 4. */
58 /* EP4  TX FIFO: 1024 bytes. start address: 0x520 * 4. */
59 /* EP5  TX FIFO: 128  bytes. start address: 0x620 * 4. */
60 /* EP6  TX FIFO: 128  bytes. start address: 0x640 * 4. */
61 /* EP7  TX FIFO: 128  bytes. start address: 0x660 * 4. */
62 /* EP8  TX FIFO: 128  bytes. start address: 0x680 * 4. */
63 /* EP9  TX FIFO: 128  bytes. start address: 0x6a0 * 4. */
64 /* EP10 TX FIFO: 128  bytes. start address: 0x6c0 * 4. */
65 /* EP11 TX FIFO: 128  bytes. start address: 0x6e0 * 4. */
66 /* EP12 TX FIFO: 128  bytes. start address: 0x700 * 4. */
67 /* EP13 TX FIFO: 128  bytes. start address: 0x720 * 4. */
68 /* EP14 TX FIFO: 128  bytes. start address: 0x740 * 4. */
69 /* EP15 TX FIFO: 128  bytes. start address: 0x760 * 4. */
70 
71 #define DATA_IN_ENDPOINT_TX_FIFO1	0x01000220
72 #define DATA_IN_ENDPOINT_TX_FIFO2	0x01000320
73 #define DATA_IN_ENDPOINT_TX_FIFO3	0x01000420
74 #define DATA_IN_ENDPOINT_TX_FIFO4	0x01000520
75 #define DATA_IN_ENDPOINT_TX_FIFO5	0x00200620
76 #define DATA_IN_ENDPOINT_TX_FIFO6	0x00200640
77 #define DATA_IN_ENDPOINT_TX_FIFO7	0x00200660
78 #define DATA_IN_ENDPOINT_TX_FIFO8	0x00200680
79 #define DATA_IN_ENDPOINT_TX_FIFO9	0x002006a0
80 #define DATA_IN_ENDPOINT_TX_FIFO10	0x002006c0
81 #define DATA_IN_ENDPOINT_TX_FIFO11	0x002006e0
82 #define DATA_IN_ENDPOINT_TX_FIFO12	0x00200700
83 #define DATA_IN_ENDPOINT_TX_FIFO13	0x00200720
84 #define DATA_IN_ENDPOINT_TX_FIFO14	0x00200740
85 #define DATA_IN_ENDPOINT_TX_FIFO15	0x00200760
86 
87 typedef struct {
88 	unsigned char		type;
89 	unsigned char		request;
90 	unsigned short		value;
91 	unsigned short		index;
92 	unsigned short		length;
93 } setup_packet;
94 
95 struct ept_queue_item {
96 	unsigned int		next;
97 	unsigned int		info;
98 };
99 
100 struct usb_request {
101 	struct ept_queue_item	*item;
102 	void			*buf;
103 	unsigned int		length;
104 	void (*complete)(unsigned int actual, int status);
105 	void			*context;
106 };
107 
108 /*DWC_OTG regsiter descriptor*/
109 /*Global CSR MAP*/
110 #define GLOBAL_CSR_BASE		(DWC_OTG_BASE)
111 /*Device mode CSR MAP*/
112 #define DEVICE_CSR_BASE		(DWC_OTG_BASE+0x800)
113 /*Device mode CSR MAP*/
114 #define DEVICE_INEP_BASE	(DWC_OTG_BASE+0x900)
115 /*Device mode CSR MAP*/
116 #define DEVICE_OUTEP_BASE	(DWC_OTG_BASE+0xB00)
117 
118 /*** OTG LINK CORE REGISTERS ***/
119 /* Core Global Registers */
120 #define GOTGCTL			(DWC_OTG_BASE + 0x000)
121 #define GOTGINT			(DWC_OTG_BASE + 0x004)
122 #define GOTGINT_DBNCE_DONE		(1 << 19)
123 #define GOTGINT_A_DEV_TOUT_CHG		(1 << 18)
124 #define GOTGINT_HST_NEG_DET		(1 << 17)
125 #define GOTGINT_HST_NEG_SUC_STS_CHNG	(1 << 9)
126 #define GOTGINT_SES_REQ_SUC_STS_CHNG	(1 << 8)
127 #define GOTGINT_SES_END_DET		(1 << 2)
128 
129 #define GAHBCFG			(DWC_OTG_BASE + 0x008)
130 #define GAHBCFG_P_TXF_EMP_LVL           (1 << 8)
131 #define GAHBCFG_NP_TXF_EMP_LVL          (1 << 7)
132 #define GAHBCFG_DMA_EN                  (1 << 5)
133 #define GAHBCFG_GLBL_INTR_EN            (1 << 0)
134 #define GAHBCFG_CTRL_MASK               (GAHBCFG_P_TXF_EMP_LVL | \
135 					 GAHBCFG_NP_TXF_EMP_LVL | \
136 					 GAHBCFG_DMA_EN | \
137 					 GAHBCFG_GLBL_INTR_EN)
138 
139 #define GUSBCFG			(DWC_OTG_BASE + 0x00C)
140 #define GRSTCTL			(DWC_OTG_BASE + 0x010)
141 #define GRSTCTL_AHBIDLE		(1 << 31)
142 #define GRSTCTL_CSFTRST		(1 << 0)
143 
144 #define GINTSTS			(DWC_OTG_BASE + 0x014)
145 #define GINTMSK			(DWC_OTG_BASE + 0x018)
146 #define GINTSTS_WKUPINT			(1 << 31)
147 #define GINTSTS_SESSREQINT		(1 << 30)
148 #define GINTSTS_DISCONNINT		(1 << 29)
149 #define GINTSTS_CONIDSTSCHNG		(1 << 28)
150 #define GINTSTS_LPMTRANRCVD		(1 << 27)
151 #define GINTSTS_PTXFEMP			(1 << 26)
152 #define GINTSTS_HCHINT			(1 << 25)
153 #define GINTSTS_PRTINT			(1 << 24)
154 #define GINTSTS_RESETDET		(1 << 23)
155 #define GINTSTS_FET_SUSP		(1 << 22)
156 #define GINTSTS_INCOMPL_IP		(1 << 21)
157 #define GINTSTS_INCOMPL_SOIN		(1 << 20)
158 #define GINTSTS_OEPINT			(1 << 19)
159 #define GINTSTS_IEPINT			(1 << 18)
160 #define GINTSTS_EPMIS			(1 << 17)
161 #define GINTSTS_RESTOREDONE		(1 << 16)
162 #define GINTSTS_EOPF			(1 << 15)
163 #define GINTSTS_ISOUTDROP		(1 << 14)
164 #define GINTSTS_ENUMDONE		(1 << 13)
165 #define GINTSTS_USBRST			(1 << 12)
166 #define GINTSTS_USBSUSP			(1 << 11)
167 #define GINTSTS_ERLYSUSP		(1 << 10)
168 #define GINTSTS_I2CINT			(1 << 9)
169 #define GINTSTS_ULPI_CK_INT		(1 << 8)
170 #define GINTSTS_GOUTNAKEFF		(1 << 7)
171 #define GINTSTS_GINNAKEFF		(1 << 6)
172 #define GINTSTS_NPTXFEMP		(1 << 5)
173 #define GINTSTS_RXFLVL			(1 << 4)
174 #define GINTSTS_SOF			(1 << 3)
175 #define GINTSTS_OTGINT			(1 << 2)
176 #define GINTSTS_MODEMIS			(1 << 1)
177 #define GINTSTS_CURMODE_HOST		(1 << 0)
178 
179 #define GRXSTSR			(DWC_OTG_BASE + 0x01C)
180 #define GRXSTSP			(DWC_OTG_BASE + 0x020)
181 #define GRXFSIZ			(DWC_OTG_BASE + 0x024)
182 #define GNPTXFSIZ		(DWC_OTG_BASE + 0x028)
183 #define GNPTXSTS		(DWC_OTG_BASE + 0x02C)
184 
185 #define GHWCFG1			(DWC_OTG_BASE + 0x044)
186 #define GHWCFG2			(DWC_OTG_BASE + 0x048)
187 #define GHWCFG3			(DWC_OTG_BASE + 0x04c)
188 #define GHWCFG4			(DWC_OTG_BASE + 0x050)
189 #define GLPMCFG			(DWC_OTG_BASE + 0x054)
190 
191 #define GDFIFOCFG		(DWC_OTG_BASE + 0x05c)
192 #define GDFIFOCFG_EPINFOBASE_MASK	(0xffff << 16)
193 #define GDFIFOCFG_EPINFOBASE_SHIFT	16
194 #define GDFIFOCFG_GDFIFOCFG_MASK	(0xffff << 0)
195 #define GDFIFOCFG_GDFIFOCFG_SHIFT	0
196 
197 
198 #define HPTXFSIZ		(DWC_OTG_BASE + 0x100)
199 #define DIEPTXF(x)		(DWC_OTG_BASE + 0x100 + 4 * (x))
200 #define DIEPTXF1		(DWC_OTG_BASE + 0x104)
201 #define DIEPTXF2		(DWC_OTG_BASE + 0x108)
202 #define DIEPTXF3		(DWC_OTG_BASE + 0x10C)
203 #define DIEPTXF4		(DWC_OTG_BASE + 0x110)
204 #define DIEPTXF5		(DWC_OTG_BASE + 0x114)
205 #define DIEPTXF6		(DWC_OTG_BASE + 0x118)
206 #define DIEPTXF7		(DWC_OTG_BASE + 0x11C)
207 #define DIEPTXF8		(DWC_OTG_BASE + 0x120)
208 #define DIEPTXF9		(DWC_OTG_BASE + 0x124)
209 #define DIEPTXF10		(DWC_OTG_BASE + 0x128)
210 #define DIEPTXF11		(DWC_OTG_BASE + 0x12C)
211 #define DIEPTXF12		(DWC_OTG_BASE + 0x130)
212 #define DIEPTXF13		(DWC_OTG_BASE + 0x134)
213 #define DIEPTXF14		(DWC_OTG_BASE + 0x138)
214 #define DIEPTXF15		(DWC_OTG_BASE + 0x13C)
215 
216 /*** HOST MODE REGISTERS ***/
217 /* Host Global Registers */
218 #define HCFG			(DWC_OTG_BASE + 0x400)
219 #define HFIR			(DWC_OTG_BASE + 0x404)
220 #define HFNUM			(DWC_OTG_BASE + 0x408)
221 #define HPTXSTS			(DWC_OTG_BASE + 0x410)
222 #define HAINT			(DWC_OTG_BASE + 0x414)
223 #define HAINTMSK		(DWC_OTG_BASE + 0x418)
224 
225 /* Host Port Control and Status Registers */
226 #define HPRT			(DWC_OTG_BASE + 0x440)
227 
228 /* Host Channel-Specific Registers */
229 #define HCCHAR(x)		(DWC_OTG_BASE + 0x500 + 0x20 * (x))
230 #define HCSPLT(x)		(DWC_OTG_BASE + 0x504 + 0x20 * (x))
231 #define HCINT(x)		(DWC_OTG_BASE + 0x508 + 0x20 * (x))
232 #define HCINTMSK(x)		(DWC_OTG_BASE + 0x50C + 0x20 * (x))
233 #define HCTSIZ(x)		(DWC_OTG_BASE + 0x510 + 0x20 * (x))
234 #define HCDMA(x)		(DWC_OTG_BASE + 0x514 + 0x20 * (x))
235 #define HCCHAR0			(DWC_OTG_BASE + 0x500)
236 #define HCSPLT0			(DWC_OTG_BASE + 0x504)
237 #define HCINT0			(DWC_OTG_BASE + 0x508)
238 #define HCINTMSK0		(DWC_OTG_BASE + 0x50C)
239 #define HCTSIZ0			(DWC_OTG_BASE + 0x510)
240 #define HCDMA0			(DWC_OTG_BASE + 0x514)
241 #define HCCHAR1			(DWC_OTG_BASE + 0x520)
242 #define HCSPLT1			(DWC_OTG_BASE + 0x524)
243 #define HCINT1			(DWC_OTG_BASE + 0x528)
244 #define HCINTMSK1		(DWC_OTG_BASE + 0x52C)
245 #define HCTSIZ1			(DWC_OTG_BASE + 0x530)
246 #define HCDMA1			(DWC_OTG_BASE + 0x534)
247 #define HCCHAR2			(DWC_OTG_BASE + 0x540)
248 #define HCSPLT2			(DWC_OTG_BASE + 0x544)
249 #define HCINT2			(DWC_OTG_BASE + 0x548)
250 #define HCINTMSK2		(DWC_OTG_BASE + 0x54C)
251 #define HCTSIZ2			(DWC_OTG_BASE + 0x550)
252 #define HCDMA2			(DWC_OTG_BASE + 0x554)
253 #define HCCHAR3			(DWC_OTG_BASE + 0x560)
254 #define HCSPLT3			(DWC_OTG_BASE + 0x564)
255 #define HCINT3			(DWC_OTG_BASE + 0x568)
256 #define HCINTMSK3   		(DWC_OTG_BASE + 0x56C)
257 #define HCTSIZ3     		(DWC_OTG_BASE + 0x570)
258 #define HCDMA3      		(DWC_OTG_BASE + 0x574)
259 #define HCCHAR4     		(DWC_OTG_BASE + 0x580)
260 #define HCSPLT4     		(DWC_OTG_BASE + 0x584)
261 #define HCINT4      		(DWC_OTG_BASE + 0x588)
262 #define HCINTMSK4   		(DWC_OTG_BASE + 0x58C)
263 #define HCTSIZ4     		(DWC_OTG_BASE + 0x590)
264 #define HCDMA4      		(DWC_OTG_BASE + 0x594)
265 #define HCCHAR5     		(DWC_OTG_BASE + 0x5A0)
266 #define HCSPLT5     		(DWC_OTG_BASE + 0x5A4)
267 #define HCINT5      		(DWC_OTG_BASE + 0x5A8)
268 #define HCINTMSK5   		(DWC_OTG_BASE + 0x5AC)
269 #define HCTSIZ5     		(DWC_OTG_BASE + 0x5B0)
270 #define HCDMA5      		(DWC_OTG_BASE + 0x5B4)
271 #define HCCHAR6     		(DWC_OTG_BASE + 0x5C0)
272 #define HCSPLT6     		(DWC_OTG_BASE + 0x5C4)
273 #define HCINT6      		(DWC_OTG_BASE + 0x5C8)
274 #define HCINTMSK6   		(DWC_OTG_BASE + 0x5CC)
275 #define HCTSIZ6     		(DWC_OTG_BASE + 0x5D0)
276 #define HCDMA6      		(DWC_OTG_BASE + 0x5D4)
277 #define HCCHAR7     		(DWC_OTG_BASE + 0x5E0)
278 #define HCSPLT7     		(DWC_OTG_BASE + 0x5E4)
279 #define HCINT7      		(DWC_OTG_BASE + 0x5E8)
280 #define HCINTMSK7   		(DWC_OTG_BASE + 0x5EC)
281 #define HCTSIZ7     		(DWC_OTG_BASE + 0x5F0)
282 #define HCDMA7      		(DWC_OTG_BASE + 0x5F4)
283 #define HCCHAR8     		(DWC_OTG_BASE + 0x600)
284 #define HCSPLT8     		(DWC_OTG_BASE + 0x604)
285 #define HCINT8      		(DWC_OTG_BASE + 0x608)
286 #define HCINTMSK8   		(DWC_OTG_BASE + 0x60C)
287 #define HCTSIZ8     		(DWC_OTG_BASE + 0x610)
288 #define HCDMA8      		(DWC_OTG_BASE + 0x614)
289 #define HCCHAR9     		(DWC_OTG_BASE + 0x620)
290 #define HCSPLT9     		(DWC_OTG_BASE + 0x624)
291 #define HCINT9      		(DWC_OTG_BASE + 0x628)
292 #define HCINTMSK9   		(DWC_OTG_BASE + 0x62C)
293 #define HCTSIZ9     		(DWC_OTG_BASE + 0x630)
294 #define HCDMA9      		(DWC_OTG_BASE + 0x634)
295 #define HCCHAR10    		(DWC_OTG_BASE + 0x640)
296 #define HCSPLT10    		(DWC_OTG_BASE + 0x644)
297 #define HCINT10     		(DWC_OTG_BASE + 0x648)
298 #define HCINTMSK10  		(DWC_OTG_BASE + 0x64C)
299 #define HCTSIZ10    		(DWC_OTG_BASE + 0x650)
300 #define HCDMA10     		(DWC_OTG_BASE + 0x654)
301 #define HCCHAR11    		(DWC_OTG_BASE + 0x660)
302 #define HCSPLT11    		(DWC_OTG_BASE + 0x664)
303 #define HCINT11     		(DWC_OTG_BASE + 0x668)
304 #define HCINTMSK11  		(DWC_OTG_BASE + 0x66C)
305 #define HCTSIZ11    		(DWC_OTG_BASE + 0x670)
306 #define HCDMA11     		(DWC_OTG_BASE + 0x674)
307 #define HCCHAR12    		(DWC_OTG_BASE + 0x680)
308 #define HCSPLT12    		(DWC_OTG_BASE + 0x684)
309 #define HCINT12     		(DWC_OTG_BASE + 0x688)
310 #define HCINTMSK12  		(DWC_OTG_BASE + 0x68C)
311 #define HCTSIZ12    		(DWC_OTG_BASE + 0x690)
312 #define HCDMA12     		(DWC_OTG_BASE + 0x694)
313 #define HCCHAR13    		(DWC_OTG_BASE + 0x6A0)
314 #define HCSPLT13    		(DWC_OTG_BASE + 0x6A4)
315 #define HCINT13     		(DWC_OTG_BASE + 0x6A8)
316 #define HCINTMSK13  		(DWC_OTG_BASE + 0x6AC)
317 #define HCTSIZ13    		(DWC_OTG_BASE + 0x6B0)
318 #define HCDMA13     		(DWC_OTG_BASE + 0x6B4)
319 #define HCCHAR14    		(DWC_OTG_BASE + 0x6C0)
320 #define HCSPLT14    		(DWC_OTG_BASE + 0x6C4)
321 #define HCINT14     		(DWC_OTG_BASE + 0x6C8)
322 #define HCINTMSK14  		(DWC_OTG_BASE + 0x6CC)
323 #define HCTSIZ14    		(DWC_OTG_BASE + 0x6D0)
324 #define HCDMA14     		(DWC_OTG_BASE + 0x6D4)
325 #define HCCHAR15    		(DWC_OTG_BASE + 0x6E0)
326 #define HCSPLT15    		(DWC_OTG_BASE + 0x6E4)
327 #define HCINT15     		(DWC_OTG_BASE + 0x6E8)
328 #define HCINTMSK15  		(DWC_OTG_BASE + 0x6EC)
329 #define HCTSIZ15    		(DWC_OTG_BASE + 0x6F0)
330 #define HCDMA15     		(DWC_OTG_BASE + 0x6F4)
331 
332 /*** DEVICE MODE REGISTERS ***/
333 /* Device Global Registers */
334 #define DCFG        		(DWC_OTG_BASE + 0x800)
335 #define DCFG_EPMISCNT_MASK		(0x1f << 18)
336 #define DCFG_EPMISCNT_SHIFT		18
337 #define DCFG_NZ_STS_OUT_HSHK		(1 << 2)
338 
339 #define DCTL        		(DWC_OTG_BASE + 0x804)
340 #define DSTS        		(DWC_OTG_BASE + 0x808)
341 #define DIEPMSK     		(DWC_OTG_BASE + 0x810)
342 #define DOEPMSK     		(DWC_OTG_BASE + 0x814)
343 #define DAINT       		(DWC_OTG_BASE + 0x818)
344 #define DAINTMSK    		(DWC_OTG_BASE + 0x81C)
345 #define DAINT_OUTEP_SHIFT		16
346 #define DAINT_OUTEP(_x)			(1 << ((_x) + 16))
347 #define DAINT_INEP(_x)			(1 << (_x))
348 
349 #define DTKNQR1     		(DWC_OTG_BASE + 0x820)
350 #define DTKNQR2     		(DWC_OTG_BASE + 0x824)
351 #define DVBUSDIS    		(DWC_OTG_BASE + 0x828)
352 #define DVBUSPULSE  		(DWC_OTG_BASE + 0x82C)
353 #define DTHRCTL     		(DWC_OTG_BASE + 0x830)
354 
355 /* Device Logical IN Endpoint-Specific Registers */
356 #define DIEPCTL(x)  		(DWC_OTG_BASE + 0x900 + 0x20 * (x))
357 #define DIEPINT(x)  		(DWC_OTG_BASE + 0x908 + 0x20 * (x))
358 #define DIEPTSIZ(x) 		(DWC_OTG_BASE + 0x910 + 0x20 * (x))
359 #define DIEPDMA(x)  		(DWC_OTG_BASE + 0x914 + 0x20 * (x))
360 #define DTXFSTS(x)  		(DWC_OTG_BASE + 0x918 + 0x20 * (x))
361 
362 #define DIEPCTL0    		(DWC_OTG_BASE + 0x900)
363 #define DIEPINT0    		(DWC_OTG_BASE + 0x908)
364 #define DIEPTSIZ0   		(DWC_OTG_BASE + 0x910)
365 #define DIEPDMA0    		(DWC_OTG_BASE + 0x914)
366 #define DIEPCTL1    		(DWC_OTG_BASE + 0x920)
367 #define DIEPINT1    		(DWC_OTG_BASE + 0x928)
368 #define DIEPTSIZ1   		(DWC_OTG_BASE + 0x930)
369 #define DIEPDMA1    		(DWC_OTG_BASE + 0x934)
370 #define DIEPCTL2    		(DWC_OTG_BASE + 0x940)
371 #define DIEPINT2    		(DWC_OTG_BASE + 0x948)
372 #define DIEPTSIZ2  		(DWC_OTG_BASE + 0x950)
373 #define DIEPDMA2    		(DWC_OTG_BASE + 0x954)
374 #define DIEPCTL3    		(DWC_OTG_BASE + 0x960)
375 #define DIEPINT3    		(DWC_OTG_BASE + 0x968)
376 #define DIEPTSIZ3   		(DWC_OTG_BASE + 0x970)
377 #define DIEPDMA3    		(DWC_OTG_BASE + 0x974)
378 #define DIEPCTL4    		(DWC_OTG_BASE + 0x980)
379 #define DIEPINT4    		(DWC_OTG_BASE + 0x988)
380 #define DIEPTSIZ4   		(DWC_OTG_BASE + 0x990)
381 #define DIEPDMA4    		(DWC_OTG_BASE + 0x994)
382 #define DIEPCTL5    		(DWC_OTG_BASE + 0x9A0)
383 #define DIEPINT5    		(DWC_OTG_BASE + 0x9A8)
384 #define DIEPTSIZ5   		(DWC_OTG_BASE + 0x9B0)
385 #define DIEPDMA5    		(DWC_OTG_BASE + 0x9B4)
386 #define DIEPCTL6    		(DWC_OTG_BASE + 0x9C0)
387 #define DIEPINT6    		(DWC_OTG_BASE + 0x9C8)
388 #define DIEPTSIZ6   		(DWC_OTG_BASE + 0x9D0)
389 #define DIEPDMA6    		(DWC_OTG_BASE + 0x9D4)
390 #define DIEPCTL7    		(DWC_OTG_BASE + 0x9E0)
391 #define DIEPINT7    		(DWC_OTG_BASE + 0x9E8)
392 #define DIEPTSIZ7   		(DWC_OTG_BASE + 0x9F0)
393 #define DIEPDMA7    		(DWC_OTG_BASE + 0x9F4)
394 #define DIEPCTL8    		(DWC_OTG_BASE + 0xA00)
395 #define DIEPINT8    		(DWC_OTG_BASE + 0xA08)
396 #define DIEPTSIZ8   		(DWC_OTG_BASE + 0xA10)
397 #define DIEPDMA8    		(DWC_OTG_BASE + 0xA14)
398 #define DIEPCTL9    		(DWC_OTG_BASE + 0xA20)
399 #define DIEPINT9    		(DWC_OTG_BASE + 0xA28)
400 #define DIEPTSIZ9   		(DWC_OTG_BASE + 0xA30)
401 #define DIEPDMA9    		(DWC_OTG_BASE + 0xA34)
402 #define DIEPCTL10   		(DWC_OTG_BASE + 0xA40)
403 #define DIEPINT10   		(DWC_OTG_BASE + 0xA48)
404 #define DIEPTSIZ10  		(DWC_OTG_BASE + 0xA50)
405 #define DIEPDMA10   		(DWC_OTG_BASE + 0xA54)
406 #define DIEPCTL11   		(DWC_OTG_BASE + 0xA60)
407 #define DIEPINT11   		(DWC_OTG_BASE + 0xA68)
408 #define DIEPTSIZ11  		(DWC_OTG_BASE + 0xA70)
409 #define DIEPDMA11   		(DWC_OTG_BASE + 0xA74)
410 #define DIEPCTL12   		(DWC_OTG_BASE + 0xA80)
411 #define DIEPINT12   		(DWC_OTG_BASE + 0xA88)
412 #define DIEPTSIZ12  		(DWC_OTG_BASE + 0xA90)
413 #define DIEPDMA12   		(DWC_OTG_BASE + 0xA94)
414 #define DIEPCTL13   		(DWC_OTG_BASE + 0xAA0)
415 #define DIEPINT13   		(DWC_OTG_BASE + 0xAA8)
416 #define DIEPTSIZ13  		(DWC_OTG_BASE + 0xAB0)
417 #define DIEPDMA13   		(DWC_OTG_BASE + 0xAB4)
418 #define DIEPCTL14   		(DWC_OTG_BASE + 0xAC0)
419 #define DIEPINT14   		(DWC_OTG_BASE + 0xAC8)
420 #define DIEPTSIZ14  		(DWC_OTG_BASE + 0xAD0)
421 #define DIEPDMA14   		(DWC_OTG_BASE + 0xAD4)
422 #define DIEPCTL15   		(DWC_OTG_BASE + 0xAE0)
423 #define DIEPINT15   		(DWC_OTG_BASE + 0xAE8)
424 #define DIEPTSIZ15  		(DWC_OTG_BASE + 0xAF0)
425 #define DIEPDMA15   		(DWC_OTG_BASE + 0xAF4)
426 
427 /* Device Logical OUT Endpoint-Specific Registers */
428 #define DOEPCTL(x)  		(DWC_OTG_BASE + 0xB00 + 0x20 * (x))
429 #define DXEPCTL_EPENA			(1 << 31)
430 #define DXEPCTL_EPDIS			(1 << 30)
431 #define DXEPCTL_SETD1PID		(1 << 29)
432 #define DXEPCTL_SETODDFR		(1 << 29)
433 #define DXEPCTL_SETD0PID		(1 << 28)
434 #define DXEPCTL_SETEVENFR		(1 << 28)
435 #define DXEPCTL_SNAK			(1 << 27)
436 #define DXEPCTL_CNAK			(1 << 26)
437 #define DXEPCTL_NAKSTS			(1 << 17)
438 #define DXEPCTL_DPID			(1 << 16)
439 #define DXEPCTL_EOFRNUM			(1 << 16)
440 #define DXEPCTL_USBACTEP		(1 << 15)
441 #define DXEPCTL_NEXTEP_MASK		(0xf << 11)
442 #define DXEPCTL_NEXTEP_SHIFT		11
443 #define DXEPCTL_NEXTEP_LIMIT		0xf
444 #define DXEPCTL_NEXTEP(_x)		((_x) << 11)
445 
446 
447 #define DOEPINT(x)  		(DWC_OTG_BASE + 0xB08 + 0x20 * (x))
448 #define DXEPINT_INEPNAKEFF              (1 << 6)
449 #define DXEPINT_BACK2BACKSETUP          (1 << 6)
450 #define DXEPINT_INTKNEPMIS              (1 << 5)
451 #define DXEPINT_INTKNTXFEMP             (1 << 4)
452 #define DXEPINT_OUTTKNEPDIS             (1 << 4)
453 #define DXEPINT_TIMEOUT                 (1 << 3)
454 #define DXEPINT_SETUP                   (1 << 3)
455 #define DXEPINT_AHBERR                  (1 << 2)
456 #define DXEPINT_EPDISBLD                (1 << 1)
457 #define DXEPINT_XFERCOMPL               (1 << 0)
458 
459 #define DOEPTSIZ(x) 		(DWC_OTG_BASE + 0xB10 + 0x20 * (x))
460 #define DXEPTSIZ_MC_MASK		(0x3 << 29)
461 #define DXEPTSIZ_MC_SHIFT		29
462 #define DXEPTSIZ_MC_LIMIT		0x3
463 #define DXEPTSIZ_MC(_x)			((_x) << 29)
464 #define DXEPTSIZ_PKTCNT_MASK		(0x3ff << 19)
465 #define DXEPTSIZ_PKTCNT_SHIFT		19
466 #define DXEPTSIZ_PKTCNT_LIMIT		0x3ff
467 #define DXEPTSIZ_PKTCNT_GET(_v)		(((_v) >> 19) & 0x3ff)
468 #define DXEPTSIZ_PKTCNT(_x)		((_x) << 19)
469 #define DXEPTSIZ_XFERSIZE_MASK		(0x7ffff << 0)
470 #define DXEPTSIZ_XFERSIZE_SHIFT		0
471 #define DXEPTSIZ_XFERSIZE_LIMIT		0x7ffff
472 #define DXEPTSIZ_XFERSIZE_GET(_v)	(((_v) >> 0) & 0x7ffff)
473 #define DXEPTSIZ_XFERSIZE(_x)		((_x) << 0)
474 
475 #define DOEPDMA(x)  		(DWC_OTG_BASE + 0xB14 + 0x20 * (x))
476 #define DOEPCTL0    		(DWC_OTG_BASE + 0xB00)
477 #define DOEPINT0    		(DWC_OTG_BASE + 0xB08)
478 #define DOEPTSIZ0   		(DWC_OTG_BASE + 0xB10)
479 #define DOEPTSIZ0_SUPCNT_MASK		(0x3 << 29)
480 #define DOEPTSIZ0_SUPCNT_SHIFT		29
481 #define DOEPTSIZ0_SUPCNT_LIMIT		0x3
482 #define DOEPTSIZ0_SUPCNT(_x)		((_x) << 29)
483 #define DOEPTSIZ0_PKTCNT		(1 << 19)
484 #define DOEPTSIZ0_XFERSIZE_MASK		(0x7f << 0)
485 #define DOEPTSIZ0_XFERSIZE_SHIFT	0
486 
487 #define DOEPDMA0    		(DWC_OTG_BASE + 0xB14)
488 #define DOEPCTL1    		(DWC_OTG_BASE + 0xB20)
489 #define DOEPINT1    		(DWC_OTG_BASE + 0xB28)
490 #define DOEPTSIZ1   		(DWC_OTG_BASE + 0xB30)
491 #define DOEPDMA1    		(DWC_OTG_BASE + 0xB34)
492 #define DOEPCTL2    		(DWC_OTG_BASE + 0xB40)
493 #define DOEPINT2    		(DWC_OTG_BASE + 0xB48)
494 #define DOEPTSIZ2   		(DWC_OTG_BASE + 0xB50)
495 #define DOEPDMA2    		(DWC_OTG_BASE + 0xB54)
496 #define DOEPCTL3    		(DWC_OTG_BASE + 0xB60)
497 #define DOEPINT3    		(DWC_OTG_BASE + 0xB68)
498 #define DOEPTSIZ3   		(DWC_OTG_BASE + 0xB70)
499 #define DOEPDMA3    		(DWC_OTG_BASE + 0xB74)
500 #define DOEPCTL4    		(DWC_OTG_BASE + 0xB80)
501 #define DOEPINT4    		(DWC_OTG_BASE + 0xB88)
502 #define DOEPTSIZ4   		(DWC_OTG_BASE + 0xB90)
503 #define DOEPDMA4    		(DWC_OTG_BASE + 0xB94)
504 #define DOEPCTL5    		(DWC_OTG_BASE + 0xBA0)
505 #define DOEPINT5    		(DWC_OTG_BASE + 0xBA8)
506 #define DOEPTSIZ5   		(DWC_OTG_BASE + 0xBB0)
507 #define DOEPDMA5    		(DWC_OTG_BASE + 0xBB4)
508 #define DOEPCTL6    		(DWC_OTG_BASE + 0xBC0)
509 #define DOEPINT6    		(DWC_OTG_BASE + 0xBC8)
510 #define DOEPTSIZ6   		(DWC_OTG_BASE + 0xBD0)
511 #define DOEPDMA6    		(DWC_OTG_BASE + 0xBD4)
512 #define DOEPCTL7    		(DWC_OTG_BASE + 0xBE0)
513 #define DOEPINT7    		(DWC_OTG_BASE + 0xBE8)
514 #define DOEPTSIZ7   		(DWC_OTG_BASE + 0xBF0)
515 #define DOEPDMA7    		(DWC_OTG_BASE + 0xBF4)
516 #define DOEPCTL8    		(DWC_OTG_BASE + 0xC00)
517 #define DOEPINT8    		(DWC_OTG_BASE + 0xC08)
518 #define DOEPTSIZ8   		(DWC_OTG_BASE + 0xC10)
519 #define DOEPDMA8    		(DWC_OTG_BASE + 0xC14)
520 #define DOEPCTL9    		(DWC_OTG_BASE + 0xC20)
521 #define DOEPINT9    		(DWC_OTG_BASE + 0xC28)
522 #define DOEPTSIZ9   		(DWC_OTG_BASE + 0xC30)
523 #define DOEPDMA9    		(DWC_OTG_BASE + 0xC34)
524 #define DOEPCTL10   		(DWC_OTG_BASE + 0xC40)
525 #define DOEPINT10   		(DWC_OTG_BASE + 0xC48)
526 #define DOEPTSIZ10  		(DWC_OTG_BASE + 0xC50)
527 #define DOEPDMA10   		(DWC_OTG_BASE + 0xC54)
528 #define DOEPCTL11   		(DWC_OTG_BASE + 0xC60)
529 #define DOEPINT11   		(DWC_OTG_BASE + 0xC68)
530 #define DOEPTSIZ11  		(DWC_OTG_BASE + 0xC70)
531 #define DOEPDMA11   		(DWC_OTG_BASE + 0xC74)
532 #define DOEPCTL12   		(DWC_OTG_BASE + 0xC80)
533 #define DOEPINT12   		(DWC_OTG_BASE + 0xC88)
534 #define DOEPTSIZ12  		(DWC_OTG_BASE + 0xC90)
535 #define DOEPDMA12   		(DWC_OTG_BASE + 0xC94)
536 #define DOEPCTL13   		(DWC_OTG_BASE + 0xCA0)
537 #define DOEPINT13   		(DWC_OTG_BASE + 0xCA8)
538 #define DOEPTSIZ13  		(DWC_OTG_BASE + 0xCB0)
539 #define DOEPDMA13   		(DWC_OTG_BASE + 0xCB4)
540 #define DOEPCTL14   		(DWC_OTG_BASE + 0xCC0)
541 #define DOEPINT14   		(DWC_OTG_BASE + 0xCC8)
542 #define DOEPTSIZ14  		(DWC_OTG_BASE + 0xCD0)
543 #define DOEPDMA14   		(DWC_OTG_BASE + 0xCD4)
544 #define DOEPCTL15   		(DWC_OTG_BASE + 0xCE0)
545 #define DOEPINT15   		(DWC_OTG_BASE + 0xCE8)
546 #define DOEPTSIZ15  		(DWC_OTG_BASE + 0xCF0)
547 #define DOEPDMA15   		(DWC_OTG_BASE + 0xCF4)
548 
549 /* Power and Clock Gating Register */
550 #define PCGCCTL			(DWC_OTG_BASE + 0xE00)
551 
552 #define EP0FIFO			(DWC_OTG_BASE + 0x1000)
553 
554 #define PERI_CTRL16_PICOPHY_SIDDQ_BIT		(1<<0)
555 #define PERI_CTRL16_PICOPHY_TXPREEMPHASISTUNE	(1<<31)
556 #define PERI_CTRL15_HSICPHY_SIDDQ_BIT		(1<<16)
557 #define PERI_CTRL14_NANOPHY_SIDDQ_BIT		(1<<0)
558 #define PERI_CTRL0_USB2DVC_NANOPHY_BIT		(1<<7)
559 #define NANOPHY_DMPULLDOWN    (1 << 6)    /* bit[6]:nanophy_dmpulldown;为1'b0 */
560 #define NANOPHY_DPPULLDOWN    (1 << 5)    /* bit[5]:nanophy_dppulldown;为1'b0 */
561 
562 #define EN_LDO4_INT (1 << 4)
563 #define EN_LDO8_INT (1 << 4)
564 
565 /* SCPEREN1/DIS1 */
566 #define GT_CLK_USBHSICPHY480            (1<<26)
567 #define GT_CLK_USBHSICPHY               (1<<25)
568 #define GT_CLK_USBPICOPHY               (1<<24)
569 #define GT_CLK_USBNANOPHY               (1<<23)
570 /* SCPEREN3/DIS3 */
571 #define GT_CLK_USB2HST                  (1<<18)
572 #define GT_CLK_USB2DVC                  (1<<17)
573 /* SCPERRSTEN3 */
574 #define IP_RST_PICOPHY_POR              (1<<31)
575 #define IP_RST_HSICPHY_POR              (1<<30)
576 #define IP_RST_NANOPHY_POR              (1<<29)
577 #define IP_RST_USB2DVC_PHY              (1<<28)
578 #define IP_RST_USB2H_UTMI1              (1<<21)
579 #define IP_RST_USB2H_UTMI0              (1<<20)
580 #define IP_RST_USB2H_PHY                (1<<19)
581 #define IP_RST_USB2HST                  (1<<18)
582 #define IP_RST_USB2DVC                  (1<<17)
583 /* SCPERRSTEN1 */
584 #define IP_RST_HSICPHY                  (1<<25)
585 #define IP_RST_PICOPHY                  (1<<24)
586 #define IP_RST_NANOPHY                  (1<<23)
587 
588 /*
589  * USB directions
590  *
591  * This bit flag is used in endpoint descriptors' bEndpointAddress field.
592  * It's also one of three fields in control requests bRequestType.
593  */
594 #define USB_DIR_OUT                     0               /* to device */
595 #define USB_DIR_IN                      0x80            /* to host */
596 
597 /*
598  * Descriptor types ... USB 2.0 spec table 9.5
599  */
600 #define USB_DT_DEVICE                   0x01
601 #define USB_DT_CONFIG                   0x02
602 #define USB_DT_STRING                   0x03
603 #define USB_DT_INTERFACE                0x04
604 #define USB_DT_ENDPOINT                 0x05
605 #define USB_DT_DEVICE_QUALIFIER         0x06
606 #define USB_DT_OTHER_SPEED_CONFIG       0x07
607 #define USB_DT_INTERFACE_POWER          0x08
608 /* these are from a minor usb 2.0 revision (ECN) */
609 #define USB_DT_OTG                      0x09
610 #define USB_DT_DEBUG                    0x0a
611 #define USB_DT_INTERFACE_ASSOCIATION    0x0b
612 /* these are from the Wireless USB spec */
613 #define USB_DT_SECURITY                 0x0c
614 #define USB_DT_KEY                      0x0d
615 #define USB_DT_ENCRYPTION_TYPE          0x0e
616 #define USB_DT_BOS                      0x0f
617 #define USB_DT_DEVICE_CAPABILITY        0x10
618 #define USB_DT_WIRELESS_ENDPOINT_COMP   0x11
619 #define USB_DT_WIRE_ADAPTER             0x21
620 #define USB_DT_RPIPE                    0x22
621 #define USB_DT_CS_RADIO_CONTROL         0x23
622 
623 /*
624  * USB recipients, the third of three bRequestType fields
625  */
626 #define USB_RECIP_MASK                  0x1f
627 #define USB_RECIP_DEVICE                0x00
628 #define USB_RECIP_INTERFACE             0x01
629 #define USB_RECIP_ENDPOINT              0x02
630 #define USB_RECIP_OTHER                 0x03
631 
632 /* IN/OUT will STALL */
633 #define USB_ENDPOINT_HALT      			0
634 
635 /*
636  * Endpoints
637  */
638 #define USB_ENDPOINT_NUMBER_MASK        0x0f    /* in bEndpointAddress */
639 #define USB_ENDPOINT_DIR_MASK           0x80
640 
641 #define USB_ENDPOINT_XFERTYPE_MASK      0x03    /* in bmAttributes */
642 #define USB_ENDPOINT_XFER_CONTROL       0
643 #define USB_ENDPOINT_XFER_ISOC          1
644 #define USB_ENDPOINT_XFER_BULK          2
645 #define USB_ENDPOINT_XFER_INT           3
646 #define USB_ENDPOINT_MAX_ADJUSTABLE     0x80
647 
648 /*
649  * Standard requests, for the bRequest field of a SETUP packet.
650  *
651  * These are qualified by the bRequestType field, so that for example
652  * TYPE_CLASS or TYPE_VENDOR specific feature flags could be retrieved
653  * by a GET_STATUS request.
654  */
655 #define USB_REQ_GET_STATUS              0x00
656 #define USB_REQ_CLEAR_FEATURE           0x01
657 #define USB_REQ_SET_FEATURE             0x03
658 #define USB_REQ_SET_ADDRESS             0x05
659 #define USB_REQ_GET_DESCRIPTOR          0x06
660 #define USB_REQ_SET_DESCRIPTOR          0x07
661 #define USB_REQ_GET_CONFIGURATION       0x08
662 #define USB_REQ_SET_CONFIGURATION       0x09
663 #define USB_REQ_GET_INTERFACE           0x0A
664 #define USB_REQ_SET_INTERFACE           0x0B
665 #define USB_REQ_SYNCH_FRAME             0x0C
666 
667 /* USB_DT_DEVICE: Device descriptor */
668 struct usb_device_descriptor {
669         unsigned char  bLength;
670         unsigned char  bDescriptorType;
671 
672         unsigned short bcdUSB;
673         unsigned char  bDeviceClass;
674         unsigned char  bDeviceSubClass;
675         unsigned char  bDeviceProtocol;
676         unsigned char  bMaxPacketSize0;
677         unsigned short idVendor;
678         unsigned short idProduct;
679         unsigned short bcdDevice;
680         unsigned char  iManufacturer;
681         unsigned char  iProduct;
682         unsigned char  iSerialNumber;
683         unsigned char  bNumConfigurations;
684 } __attribute__ ((packed));
685 
686 #define USB_DT_DEVICE_SIZE              18
687 
688 /*
689  * Device and/or Interface Class codes
690  * as found in bDeviceClass or bInterfaceClass
691  * and defined by www.usb.org documents
692  */
693 #define USB_CLASS_PER_INTERFACE         0       /* for DeviceClass */
694 #define USB_CLASS_AUDIO                 1
695 #define USB_CLASS_COMM                  2
696 #define USB_CLASS_HID                   3
697 #define USB_CLASS_PHYSICAL              5
698 #define USB_CLASS_STILL_IMAGE           6
699 #define USB_CLASS_PRINTER               7
700 #define USB_CLASS_MASS_STORAGE          8
701 #define USB_CLASS_HUB                   9
702 #define USB_CLASS_CDC_DATA              0x0a
703 #define USB_CLASS_CSCID                 0x0b    /* chip+ smart card */
704 #define USB_CLASS_CONTENT_SEC           0x0d    /* content security */
705 #define USB_CLASS_VIDEO                 0x0e
706 #define USB_CLASS_WIRELESS_CONTROLLER   0xe0
707 #define USB_CLASS_MISC                  0xef
708 #define USB_CLASS_APP_SPEC              0xfe
709 #define USB_CLASS_VENDOR_SPEC           0xff
710 
711 /*-------------------------------------------------------------------------*/
712 
713 /* USB_DT_CONFIG: Configuration descriptor information.
714  *
715  * USB_DT_OTHER_SPEED_CONFIG is the same descriptor, except that the
716  * descriptor type is different.  Highspeed-capable devices can look
717  * different depending on what speed they're currently running.  Only
718  * devices with a USB_DT_DEVICE_QUALIFIER have any OTHER_SPEED_CONFIG
719  * descriptors.
720  */
721 struct usb_config_descriptor {
722        unsigned char  bLength;
723        unsigned char  bDescriptorType;
724 
725        unsigned short wTotalLength;
726        unsigned char  bNumInterfaces;
727        unsigned char  bConfigurationValue;
728        unsigned char  iConfiguration;
729        unsigned char  bmAttributes;
730        unsigned char  bMaxPower;
731 } __attribute__((packed));
732 
733 #define USB_DT_CONFIG_SIZE              9
734 
735 /* from config descriptor bmAttributes */
736 #define USB_CONFIG_ATT_ONE              (1 << 7)        /* must be set */
737 #define USB_CONFIG_ATT_SELFPOWER        (1 << 6)        /* self powered */
738 #define USB_CONFIG_ATT_WAKEUP           (1 << 5)        /* can wakeup */
739 #define USB_CONFIG_ATT_BATTERY          (1 << 4)        /* battery powered */
740 
741 /*-------------------------------------------------------------------------*/
742 
743 /* USB_DT_STRING: String descriptor */
744 struct usb_string_descriptor {
745         unsigned char  bLength;
746         unsigned char  bDescriptorType;
747 
748         unsigned short wString[16];             /* UTF-16LE encoded */
749 } __attribute__((packed));
750 
751 /*-------------------------------------------------------------------------*/
752 /* USB_DT_INTERFACE: Interface descriptor */
753 struct usb_interface_descriptor {
754         unsigned char  bLength;
755         unsigned char  bDescriptorType;
756 
757         unsigned char  bInterfaceNumber;
758         unsigned char  bAlternateSetting;
759         unsigned char  bNumEndpoints;
760         unsigned char  bInterfaceClass;
761         unsigned char  bInterfaceSubClass;
762         unsigned char  bInterfaceProtocol;
763         unsigned char  iInterface;
764 };
765 
766 #define USB_DT_INTERFACE_SIZE           9
767 
768 /*-------------------------------------------------------------------------*/
769 
770 /* USB_DT_ENDPOINT: Endpoint descriptor */
771 struct usb_endpoint_descriptor {
772         unsigned char  bLength;
773         unsigned char  bDescriptorType;
774 
775         unsigned char  bEndpointAddress;
776         unsigned char  bmAttributes;
777         unsigned short wMaxPacketSize;
778         unsigned char  bInterval;
779 } __attribute__ ((packed));
780 
781 #define USB_DT_ENDPOINT_SIZE            7
782 #define USB_DT_ENDPOINT_AUDIO_SIZE      9       /* Audio extension */
783 
784 extern int usb_need_reset;
785 
786 /**
787  * This union represents the bit fields in the DMA Descriptor
788  * status quadlet. Read the quadlet into the <i>d32</i> member then
789  * set/clear the bits using the <i>b</i>it, <i>b_iso_out</i> and
790  * <i>b_iso_in</i> elements.
791  */
792 typedef union dev_dma_desc_sts {
793 		/** raw register data */
794 	unsigned int d32;
795 		/** quadlet bits */
796 	struct {
797 		/** Received number of bytes */
798 		unsigned bytes:16;
799 		/** NAK bit - only for OUT EPs */
800 		unsigned nak:1;
801 		unsigned reserved17_22:6;
802 		/** Multiple Transfer - only for OUT EPs */
803 		unsigned mtrf:1;
804 		/** Setup Packet received - only for OUT EPs */
805 		unsigned sr:1;
806 		/** Interrupt On Complete */
807 		unsigned ioc:1;
808 		/** Short Packet */
809 		unsigned sp:1;
810 		/** Last */
811 		unsigned l:1;
812 		/** Receive Status */
813 		unsigned sts:2;
814 		/** Buffer Status */
815 		unsigned bs:2;
816 	} b;
817 
818 //#ifdef DWC_EN_ISOC
819 		/** iso out quadlet bits */
820 	struct {
821 		/** Received number of bytes */
822 		unsigned rxbytes:11;
823 
824 		unsigned reserved11:1;
825 		/** Frame Number */
826 		unsigned framenum:11;
827 		/** Received ISO Data PID */
828 		unsigned pid:2;
829 		/** Interrupt On Complete */
830 		unsigned ioc:1;
831 		/** Short Packet */
832 		unsigned sp:1;
833 		/** Last */
834 		unsigned l:1;
835 		/** Receive Status */
836 		unsigned rxsts:2;
837 		/** Buffer Status */
838 		unsigned bs:2;
839 	} b_iso_out;
840 
841 		/** iso in quadlet bits */
842 	struct {
843 		/** Transmited number of bytes */
844 		unsigned txbytes:12;
845 		/** Frame Number */
846 		unsigned framenum:11;
847 		/** Transmited ISO Data PID */
848 		unsigned pid:2;
849 		/** Interrupt On Complete */
850 		unsigned ioc:1;
851 		/** Short Packet */
852 		unsigned sp:1;
853 		/** Last */
854 		unsigned l:1;
855 		/** Transmit Status */
856 		unsigned txsts:2;
857 		/** Buffer Status */
858 		unsigned bs:2;
859 	} b_iso_in;
860 //#endif                                /* DWC_EN_ISOC */
861 } dev_dma_desc_sts_t;
862 
863 /**
864  * DMA Descriptor structure
865  *
866  * DMA Descriptor structure contains two quadlets:
867  * Status quadlet and Data buffer pointer.
868  */
869 typedef struct dwc_otg_dev_dma_desc {
870 	/** DMA Descriptor status quadlet */
871 	dev_dma_desc_sts_t status;
872 	/** DMA Descriptor data buffer pointer */
873 	unsigned int buf;
874 } dwc_otg_dev_dma_desc_t;
875 
876 extern void usb_reinit(void);
877 
878 #endif	/* __DWC_USB_H__*/
879