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      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_dmpulldown1'b0 */
    560 #define NANOPHY_DPPULLDOWN    (1 << 5)    /* bit[5]nanophy_dppulldown1'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