drivers/usb/musb/musb_regs.h

   1 /*
   2  * MUSB OTG driver register defines
   3  *
   4  * Copyright 2005 Mentor Graphics Corporation
   5  * Copyright (C) 2005-2006 by Texas Instruments
   6  * Copyright (C) 2006-2007 Nokia Corporation
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * version 2 as published by the Free Software Foundation.
  11  *
  12  * This program is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  20  * 02110-1301 USA
  21  *
  22  * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
  23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
  25  * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  28  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  29  * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  *
  33  */
  34
  35 #ifndef __MUSB_REGS_H__
  36 #define __MUSB_REGS_H__
  37
  38 #define MUSB_EP0_FIFOSIZE       64      /* This is non-configurable */
  39
  40 /*
  41  * MUSB Register bits
  42  */
  43
  44 /* POWER */
  45 #define MUSB_POWER_ISOUPDATE    0x80
  46 #define MUSB_POWER_SOFTCONN     0x40
  47 #define MUSB_POWER_HSENAB       0x20
  48 #define MUSB_POWER_HSMODE       0x10
  49 #define MUSB_POWER_RESET        0x08
  50 #define MUSB_POWER_RESUME       0x04
  51 #define MUSB_POWER_SUSPENDM     0x02
  52 #define MUSB_POWER_ENSUSPEND    0x01
  53
  54 /* INTRUSB */
  55 #define MUSB_INTR_SUSPEND       0x01
  56 #define MUSB_INTR_RESUME        0x02
  57 #define MUSB_INTR_RESET         0x04
  58 #define MUSB_INTR_BABBLE        0x04
  59 #define MUSB_INTR_SOF           0x08
  60 #define MUSB_INTR_CONNECT       0x10
  61 #define MUSB_INTR_DISCONNECT    0x20
  62 #define MUSB_INTR_SESSREQ       0x40
  63 #define MUSB_INTR_VBUSERROR     0x80    /* For SESSION end */
  64
  65 /* DEVCTL */
  66 #define MUSB_DEVCTL_BDEVICE     0x80
  67 #define MUSB_DEVCTL_FSDEV       0x40
  68 #define MUSB_DEVCTL_LSDEV       0x20
  69 #define MUSB_DEVCTL_VBUS        0x18
  70 #define MUSB_DEVCTL_VBUS_SHIFT  3
  71 #define MUSB_DEVCTL_HM          0x04
  72 #define MUSB_DEVCTL_HR          0x02
  73 #define MUSB_DEVCTL_SESSION     0x01
  74
  75 /* BABBLE_CTL */
  76 #define MUSB_BABBLE_FORCE_TXIDLE        0x80
  77 #define MUSB_BABBLE_SW_SESSION_CTRL     0x40
  78 #define MUSB_BABBLE_STUCK_J             0x20
  79 #define MUSB_BABBLE_RCV_DISABLE         0x04
  80
  81 /* MUSB ULPI VBUSCONTROL */
  82 #define MUSB_ULPI_USE_EXTVBUS   0x01
  83 #define MUSB_ULPI_USE_EXTVBUSIND 0x02
  84 /* ULPI_REG_CONTROL */
  85 #define MUSB_ULPI_REG_REQ       (1 << 0)
  86 #define MUSB_ULPI_REG_CMPLT     (1 << 1)
  87 #define MUSB_ULPI_RDN_WR        (1 << 2)
  88
  89 /* TESTMODE */
  90 #define MUSB_TEST_FORCE_HOST    0x80
  91 #define MUSB_TEST_FIFO_ACCESS   0x40
  92 #define MUSB_TEST_FORCE_FS      0x20
  93 #define MUSB_TEST_FORCE_HS      0x10
  94 #define MUSB_TEST_PACKET        0x08
  95 #define MUSB_TEST_K             0x04
  96 #define MUSB_TEST_J             0x02
  97 #define MUSB_TEST_SE0_NAK       0x01
  98
  99 /* Allocate for double-packet buffering (effectively doubles assigned _SIZE) */
 100 #define MUSB_FIFOSZ_DPB 0x10
 101 /* Allocation size (8, 16, 32, ... 4096) */
 102 #define MUSB_FIFOSZ_SIZE        0x0f
 103
 104 /* CSR0 */
 105 #define MUSB_CSR0_FLUSHFIFO     0x0100
 106 #define MUSB_CSR0_TXPKTRDY      0x0002
 107 #define MUSB_CSR0_RXPKTRDY      0x0001
 108
 109 /* CSR0 in Peripheral mode */
 110 #define MUSB_CSR0_P_SVDSETUPEND 0x0080
 111 #define MUSB_CSR0_P_SVDRXPKTRDY 0x0040
 112 #define MUSB_CSR0_P_SENDSTALL   0x0020
 113 #define MUSB_CSR0_P_SETUPEND    0x0010
 114 #define MUSB_CSR0_P_DATAEND     0x0008
 115 #define MUSB_CSR0_P_SENTSTALL   0x0004
 116
 117 /* CSR0 in Host mode */
 118 #define MUSB_CSR0_H_DIS_PING            0x0800
 119 #define MUSB_CSR0_H_WR_DATATOGGLE       0x0400  /* Set to allow setting: */
 120 #define MUSB_CSR0_H_DATATOGGLE          0x0200  /* Data toggle control */
 121 #define MUSB_CSR0_H_NAKTIMEOUT          0x0080
 122 #define MUSB_CSR0_H_STATUSPKT           0x0040
 123 #define MUSB_CSR0_H_REQPKT              0x0020
 124 #define MUSB_CSR0_H_ERROR               0x0010
 125 #define MUSB_CSR0_H_SETUPPKT            0x0008
 126 #define MUSB_CSR0_H_RXSTALL             0x0004
 127
 128 /* CSR0 bits to avoid zeroing (write zero clears, write 1 ignored) */
 129 #define MUSB_CSR0_P_WZC_BITS    \
 130         (MUSB_CSR0_P_SENTSTALL)
 131 #define MUSB_CSR0_H_WZC_BITS    \
 132         (MUSB_CSR0_H_NAKTIMEOUT | MUSB_CSR0_H_RXSTALL \
 133         | MUSB_CSR0_RXPKTRDY)
 134
 135 /* TxType/RxType */
 136 #define MUSB_TYPE_SPEED         0xc0
 137 #define MUSB_TYPE_SPEED_SHIFT   6
 138 #define MUSB_TYPE_PROTO         0x30    /* Implicitly zero for ep0 */
 139 #define MUSB_TYPE_PROTO_SHIFT   4
 140 #define MUSB_TYPE_REMOTE_END    0xf     /* Implicitly zero for ep0 */
 141
 142 /* CONFIGDATA */
 143 #define MUSB_CONFIGDATA_MPRXE           0x80    /* Auto bulk pkt combining */
 144 #define MUSB_CONFIGDATA_MPTXE           0x40    /* Auto bulk pkt splitting */
 145 #define MUSB_CONFIGDATA_BIGENDIAN       0x20
 146 #define MUSB_CONFIGDATA_HBRXE           0x10    /* HB-ISO for RX */
 147 #define MUSB_CONFIGDATA_HBTXE           0x08    /* HB-ISO for TX */
 148 #define MUSB_CONFIGDATA_DYNFIFO         0x04    /* Dynamic FIFO sizing */
 149 #define MUSB_CONFIGDATA_SOFTCONE        0x02    /* SoftConnect */
 150 #define MUSB_CONFIGDATA_UTMIDW          0x01    /* Data width 0/1 => 8/16bits */
 151
 152 /* TXCSR in Peripheral and Host mode */
 153 #define MUSB_TXCSR_AUTOSET              0x8000
 154 #define MUSB_TXCSR_DMAENAB              0x1000
 155 #define MUSB_TXCSR_FRCDATATOG           0x0800
 156 #define MUSB_TXCSR_DMAMODE              0x0400
 157 #define MUSB_TXCSR_CLRDATATOG           0x0040
 158 #define MUSB_TXCSR_FLUSHFIFO            0x0008
 159 #define MUSB_TXCSR_FIFONOTEMPTY         0x0002
 160 #define MUSB_TXCSR_TXPKTRDY             0x0001
 161
 162 /* TXCSR in Peripheral mode */
 163 #define MUSB_TXCSR_P_ISO                0x4000
 164 #define MUSB_TXCSR_P_INCOMPTX           0x0080
 165 #define MUSB_TXCSR_P_SENTSTALL          0x0020
 166 #define MUSB_TXCSR_P_SENDSTALL          0x0010
 167 #define MUSB_TXCSR_P_UNDERRUN           0x0004
 168
 169 /* TXCSR in Host mode */
 170 #define MUSB_TXCSR_H_WR_DATATOGGLE      0x0200
 171 #define MUSB_TXCSR_H_DATATOGGLE         0x0100
 172 #define MUSB_TXCSR_H_NAKTIMEOUT         0x0080
 173 #define MUSB_TXCSR_H_RXSTALL            0x0020
 174 #define MUSB_TXCSR_H_ERROR              0x0004
 175
 176 /* TXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
 177 #define MUSB_TXCSR_P_WZC_BITS   \
 178         (MUSB_TXCSR_P_INCOMPTX | MUSB_TXCSR_P_SENTSTALL \
 179         | MUSB_TXCSR_P_UNDERRUN | MUSB_TXCSR_FIFONOTEMPTY)
 180 #define MUSB_TXCSR_H_WZC_BITS   \
 181         (MUSB_TXCSR_H_NAKTIMEOUT | MUSB_TXCSR_H_RXSTALL \
 182         | MUSB_TXCSR_H_ERROR | MUSB_TXCSR_FIFONOTEMPTY)
 183
 184 /* RXCSR in Peripheral and Host mode */
 185 #define MUSB_RXCSR_AUTOCLEAR            0x8000
 186 #define MUSB_RXCSR_DMAENAB              0x2000
 187 #define MUSB_RXCSR_DISNYET              0x1000
 188 #define MUSB_RXCSR_PID_ERR              0x1000
 189 #define MUSB_RXCSR_DMAMODE              0x0800
 190 #define MUSB_RXCSR_INCOMPRX             0x0100
 191 #define MUSB_RXCSR_CLRDATATOG           0x0080
 192 #define MUSB_RXCSR_FLUSHFIFO            0x0010
 193 #define MUSB_RXCSR_DATAERROR            0x0008
 194 #define MUSB_RXCSR_FIFOFULL             0x0002
 195 #define MUSB_RXCSR_RXPKTRDY             0x0001
 196
 197 /* RXCSR in Peripheral mode */
 198 #define MUSB_RXCSR_P_ISO                0x4000
 199 #define MUSB_RXCSR_P_SENTSTALL          0x0040
 200 #define MUSB_RXCSR_P_SENDSTALL          0x0020
 201 #define MUSB_RXCSR_P_OVERRUN            0x0004
 202
 203 /* RXCSR in Host mode */
 204 #define MUSB_RXCSR_H_AUTOREQ            0x4000
 205 #define MUSB_RXCSR_H_WR_DATATOGGLE      0x0400
 206 #define MUSB_RXCSR_H_DATATOGGLE         0x0200
 207 #define MUSB_RXCSR_H_RXSTALL            0x0040
 208 #define MUSB_RXCSR_H_REQPKT             0x0020
 209 #define MUSB_RXCSR_H_ERROR              0x0004
 210
 211 /* RXCSR bits to avoid zeroing (write zero clears, write 1 ignored) */
 212 #define MUSB_RXCSR_P_WZC_BITS   \
 213         (MUSB_RXCSR_P_SENTSTALL | MUSB_RXCSR_P_OVERRUN \
 214         | MUSB_RXCSR_RXPKTRDY)
 215 #define MUSB_RXCSR_H_WZC_BITS   \
 216         (MUSB_RXCSR_H_RXSTALL | MUSB_RXCSR_H_ERROR \
 217         | MUSB_RXCSR_DATAERROR | MUSB_RXCSR_RXPKTRDY)
 218
 219 /* HUBADDR */
 220 #define MUSB_HUBADDR_MULTI_TT           0x80
 221
 222
 223 #ifndef CONFIG_BLACKFIN
 224
 225 /*
 226  * Common USB registers
 227  */
 228
 229 #define MUSB_FADDR              0x00    /* 8-bit */
 230 #define MUSB_POWER              0x01    /* 8-bit */
 231
 232 #define MUSB_INTRTX             0x02    /* 16-bit */
 233 #define MUSB_INTRRX             0x04
 234 #define MUSB_INTRTXE            0x06
 235 #define MUSB_INTRRXE            0x08
 236 #define MUSB_INTRUSB            0x0A    /* 8 bit */
 237 #define MUSB_INTRUSBE           0x0B    /* 8 bit */
 238 #define MUSB_FRAME              0x0C
 239 #define MUSB_INDEX              0x0E    /* 8 bit */
 240 #define MUSB_TESTMODE           0x0F    /* 8 bit */
 241
 242 /* Get offset for a given FIFO from musb->mregs */
 243 #if defined(CONFIG_USB_MUSB_TUSB6010) ||        \
 244         defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 245 #define MUSB_FIFO_OFFSET(epnum) (0x200 + ((epnum) * 0x20))
 246 #else
 247 #define MUSB_FIFO_OFFSET(epnum) (0x20 + ((epnum) * 4))
 248 #endif
 249
 250 /*
 251  * Additional Control Registers
 252  */
 253
 254 #define MUSB_DEVCTL             0x60    /* 8 bit */
 255 #define MUSB_BABBLE_CTL         0x61    /* 8 bit */
 256
 257 /* These are always controlled through the INDEX register */
 258 #define MUSB_TXFIFOSZ           0x62    /* 8-bit (see masks) */
 259 #define MUSB_RXFIFOSZ           0x63    /* 8-bit (see masks) */
 260 #define MUSB_TXFIFOADD          0x64    /* 16-bit offset shifted right 3 */
 261 #define MUSB_RXFIFOADD          0x66    /* 16-bit offset shifted right 3 */
 262
 263 /* REVISIT: vctrl/vstatus: optional vendor utmi+phy register at 0x68 */
 264 #define MUSB_HWVERS             0x6C    /* 8 bit */
 265 #define MUSB_ULPI_BUSCONTROL    0x70    /* 8 bit */
 266 #define MUSB_ULPI_INT_MASK      0x72    /* 8 bit */
 267 #define MUSB_ULPI_INT_SRC       0x73    /* 8 bit */
 268 #define MUSB_ULPI_REG_DATA      0x74    /* 8 bit */
 269 #define MUSB_ULPI_REG_ADDR      0x75    /* 8 bit */
 270 #define MUSB_ULPI_REG_CONTROL   0x76    /* 8 bit */
 271 #define MUSB_ULPI_RAW_DATA      0x77    /* 8 bit */
 272
 273 #define MUSB_EPINFO             0x78    /* 8 bit */
 274 #define MUSB_RAMINFO            0x79    /* 8 bit */
 275 #define MUSB_LINKINFO           0x7a    /* 8 bit */
 276 #define MUSB_VPLEN              0x7b    /* 8 bit */
 277 #define MUSB_HS_EOF1            0x7c    /* 8 bit */
 278 #define MUSB_FS_EOF1            0x7d    /* 8 bit */
 279 #define MUSB_LS_EOF1            0x7e    /* 8 bit */
 280
 281 /* Offsets to endpoint registers */
 282 #define MUSB_TXMAXP             0x00
 283 #define MUSB_TXCSR              0x02
 284 #define MUSB_CSR0               MUSB_TXCSR      /* Re-used for EP0 */
 285 #define MUSB_RXMAXP             0x04
 286 #define MUSB_RXCSR              0x06
 287 #define MUSB_RXCOUNT            0x08
 288 #define MUSB_COUNT0             MUSB_RXCOUNT    /* Re-used for EP0 */
 289 #define MUSB_TXTYPE             0x0A
 290 #define MUSB_TYPE0              MUSB_TXTYPE     /* Re-used for EP0 */
 291 #define MUSB_TXINTERVAL         0x0B
 292 #define MUSB_NAKLIMIT0          MUSB_TXINTERVAL /* Re-used for EP0 */
 293 #define MUSB_RXTYPE             0x0C
 294 #define MUSB_RXINTERVAL         0x0D
 295 #define MUSB_FIFOSIZE           0x0F
 296 #define MUSB_CONFIGDATA         MUSB_FIFOSIZE   /* Re-used for EP0 */
 297
 298 /* Offsets to endpoint registers in indexed model (using INDEX register) */
 299 #define MUSB_INDEXED_OFFSET(_epnum, _offset)    \
 300         (0x10 + (_offset))
 301
 302 /* Offsets to endpoint registers in flat models */
 303 #define MUSB_FLAT_OFFSET(_epnum, _offset)       \
 304         (0x100 + (0x10*(_epnum)) + (_offset))
 305
 306 #if defined(CONFIG_USB_MUSB_TUSB6010) ||        \
 307         defined(CONFIG_USB_MUSB_TUSB6010_MODULE)
 308 /* TUSB6010 EP0 configuration register is special */
 309 #define MUSB_TUSB_OFFSET(_epnum, _offset)       \
 310         (0x10 + _offset)
 311 #include "tusb6010.h"           /* Needed "only" for TUSB_EP0_CONF */
 312 #endif
 313
 314 #define MUSB_TXCSR_MODE                 0x2000
 315
 316 /* "bus control"/target registers, for host side multipoint (external hubs) */
 317 #define MUSB_TXFUNCADDR         0x00
 318 #define MUSB_TXHUBADDR          0x02
 319 #define MUSB_TXHUBPORT          0x03
 320
 321 #define MUSB_RXFUNCADDR         0x04
 322 #define MUSB_RXHUBADDR          0x06
 323 #define MUSB_RXHUBPORT          0x07
 324
 325 #define MUSB_BUSCTL_OFFSET(_epnum, _offset) \
 326         (0x80 + (8*(_epnum)) + (_offset))
 327
 328 static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
 329 {
 330         musb_writeb(mbase, MUSB_TXFIFOSZ, c_size);
 331 }
 332
 333 static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
 334 {
 335         musb_writew(mbase, MUSB_TXFIFOADD, c_off);
 336 }
 337
 338 static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
 339 {
 340         musb_writeb(mbase, MUSB_RXFIFOSZ, c_size);
 341 }
 342
 343 static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 344 {
 345         musb_writew(mbase, MUSB_RXFIFOADD, c_off);
 346 }
 347
 348 static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
 349 {
 350         musb_writeb(mbase, MUSB_ULPI_BUSCONTROL, val);
 351 }
 352
 353 static inline u8 musb_read_txfifosz(void __iomem *mbase)
 354 {
 355         return musb_readb(mbase, MUSB_TXFIFOSZ);
 356 }
 357
 358 static inline u16 musb_read_txfifoadd(void __iomem *mbase)
 359 {
 360         return musb_readw(mbase, MUSB_TXFIFOADD);
 361 }
 362
 363 static inline u8 musb_read_rxfifosz(void __iomem *mbase)
 364 {
 365         return musb_readb(mbase, MUSB_RXFIFOSZ);
 366 }
 367
 368 static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
 369 {
 370         return musb_readw(mbase, MUSB_RXFIFOADD);
 371 }
 372
 373 static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
 374 {
 375         return musb_readb(mbase, MUSB_ULPI_BUSCONTROL);
 376 }
 377
 378 static inline u8 musb_read_configdata(void __iomem *mbase)
 379 {
 380         musb_writeb(mbase, MUSB_INDEX, 0);
 381         return musb_readb(mbase, 0x10 + MUSB_CONFIGDATA);
 382 }
 383
 384 static inline u16 musb_read_hwvers(void __iomem *mbase)
 385 {
 386         return musb_readw(mbase, MUSB_HWVERS);
 387 }
 388
 389 static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
 390 {
 391         return (MUSB_BUSCTL_OFFSET(i, 0) + mbase);
 392 }
 393
 394 static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
 395                 u8 qh_addr_reg)
 396 {
 397         musb_writeb(ep_target_regs, MUSB_RXFUNCADDR, qh_addr_reg);
 398 }
 399
 400 static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
 401                 u8 qh_h_addr_reg)
 402 {
 403         musb_writeb(ep_target_regs, MUSB_RXHUBADDR, qh_h_addr_reg);
 404 }
 405
 406 static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
 407                 u8 qh_h_port_reg)
 408 {
 409         musb_writeb(ep_target_regs, MUSB_RXHUBPORT, qh_h_port_reg);
 410 }
 411
 412 static inline void  musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
 413                 u8 qh_addr_reg)
 414 {
 415         musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR),
 416                         qh_addr_reg);
 417 }
 418
 419 static inline void  musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
 420                 u8 qh_addr_reg)
 421 {
 422         musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR),
 423                         qh_addr_reg);
 424 }
 425
 426 static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 427                 u8 qh_h_port_reg)
 428 {
 429         musb_writeb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT),
 430                         qh_h_port_reg);
 431 }
 432
 433 static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
 434 {
 435         return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXFUNCADDR));
 436 }
 437
 438 static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
 439 {
 440         return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBADDR));
 441 }
 442
 443 static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
 444 {
 445         return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_RXHUBPORT));
 446 }
 447
 448 static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
 449 {
 450         return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXFUNCADDR));
 451 }
 452
 453 static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
 454 {
 455         return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBADDR));
 456 }
 457
 458 static inline u8  musb_read_txhubport(void __iomem *mbase, u8 epnum)
 459 {
 460         return musb_readb(mbase, MUSB_BUSCTL_OFFSET(epnum, MUSB_TXHUBPORT));
 461 }
 462
 463 #else /* CONFIG_BLACKFIN */
 464
 465 #define USB_BASE                USB_FADDR
 466 #define USB_OFFSET(reg)         (reg - USB_BASE)
 467
 468 /*
 469  * Common USB registers
 470  */
 471 #define MUSB_FADDR              USB_OFFSET(USB_FADDR)   /* 8-bit */
 472 #define MUSB_POWER              USB_OFFSET(USB_POWER)   /* 8-bit */
 473 #define MUSB_INTRTX             USB_OFFSET(USB_INTRTX)  /* 16-bit */
 474 #define MUSB_INTRRX             USB_OFFSET(USB_INTRRX)
 475 #define MUSB_INTRTXE            USB_OFFSET(USB_INTRTXE)
 476 #define MUSB_INTRRXE            USB_OFFSET(USB_INTRRXE)
 477 #define MUSB_INTRUSB            USB_OFFSET(USB_INTRUSB) /* 8 bit */
 478 #define MUSB_INTRUSBE           USB_OFFSET(USB_INTRUSBE)/* 8 bit */
 479 #define MUSB_FRAME              USB_OFFSET(USB_FRAME)
 480 #define MUSB_INDEX              USB_OFFSET(USB_INDEX)   /* 8 bit */
 481 #define MUSB_TESTMODE           USB_OFFSET(USB_TESTMODE)/* 8 bit */
 482
 483 /* Get offset for a given FIFO from musb->mregs */
 484 #define MUSB_FIFO_OFFSET(epnum) \
 485         (USB_OFFSET(USB_EP0_FIFO) + ((epnum) * 8))
 486
 487 /*
 488  * Additional Control Registers
 489  */
 490
 491 #define MUSB_DEVCTL             USB_OFFSET(USB_OTG_DEV_CTL)     /* 8 bit */
 492
 493 #define MUSB_LINKINFO           USB_OFFSET(USB_LINKINFO)/* 8 bit */
 494 #define MUSB_VPLEN              USB_OFFSET(USB_VPLEN)   /* 8 bit */
 495 #define MUSB_HS_EOF1            USB_OFFSET(USB_HS_EOF1) /* 8 bit */
 496 #define MUSB_FS_EOF1            USB_OFFSET(USB_FS_EOF1) /* 8 bit */
 497 #define MUSB_LS_EOF1            USB_OFFSET(USB_LS_EOF1) /* 8 bit */
 498
 499 /* Offsets to endpoint registers */
 500 #define MUSB_TXMAXP             0x00
 501 #define MUSB_TXCSR              0x04
 502 #define MUSB_CSR0               MUSB_TXCSR      /* Re-used for EP0 */
 503 #define MUSB_RXMAXP             0x08
 504 #define MUSB_RXCSR              0x0C
 505 #define MUSB_RXCOUNT            0x10
 506 #define MUSB_COUNT0             MUSB_RXCOUNT    /* Re-used for EP0 */
 507 #define MUSB_TXTYPE             0x14
 508 #define MUSB_TYPE0              MUSB_TXTYPE     /* Re-used for EP0 */
 509 #define MUSB_TXINTERVAL         0x18
 510 #define MUSB_NAKLIMIT0          MUSB_TXINTERVAL /* Re-used for EP0 */
 511 #define MUSB_RXTYPE             0x1C
 512 #define MUSB_RXINTERVAL         0x20
 513 #define MUSB_TXCOUNT            0x28
 514
 515 /* Offsets to endpoint registers in indexed model (using INDEX register) */
 516 #define MUSB_INDEXED_OFFSET(_epnum, _offset)    \
 517         (0x40 + (_offset))
 518
 519 /* Offsets to endpoint registers in flat models */
 520 #define MUSB_FLAT_OFFSET(_epnum, _offset)       \
 521         (USB_OFFSET(USB_EP_NI0_TXMAXP) + (0x40 * (_epnum)) + (_offset))
 522
 523 /* Not implemented - HW has separate Tx/Rx FIFO */
 524 #define MUSB_TXCSR_MODE                 0x0000
 525
 526 static inline void musb_write_txfifosz(void __iomem *mbase, u8 c_size)
 527 {
 528 }
 529
 530 static inline void musb_write_txfifoadd(void __iomem *mbase, u16 c_off)
 531 {
 532 }
 533
 534 static inline void musb_write_rxfifosz(void __iomem *mbase, u8 c_size)
 535 {
 536 }
 537
 538 static inline void  musb_write_rxfifoadd(void __iomem *mbase, u16 c_off)
 539 {
 540 }
 541
 542 static inline void musb_write_ulpi_buscontrol(void __iomem *mbase, u8 val)
 543 {
 544 }
 545
 546 static inline u8 musb_read_txfifosz(void __iomem *mbase)
 547 {
 548         return 0;
 549 }
 550
 551 static inline u16 musb_read_txfifoadd(void __iomem *mbase)
 552 {
 553         return 0;
 554 }
 555
 556 static inline u8 musb_read_rxfifosz(void __iomem *mbase)
 557 {
 558         return 0;
 559 }
 560
 561 static inline u16  musb_read_rxfifoadd(void __iomem *mbase)
 562 {
 563         return 0;
 564 }
 565
 566 static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase)
 567 {
 568         return 0;
 569 }
 570
 571 static inline u8 musb_read_configdata(void __iomem *mbase)
 572 {
 573         return 0;
 574 }
 575
 576 static inline u16 musb_read_hwvers(void __iomem *mbase)
 577 {
 578         /*
 579          * This register is invisible on Blackfin, actually the MUSB
 580          * RTL version of Blackfin is 1.9, so just hardcode its value.
 581          */
 582         return MUSB_HWVERS_1900;
 583 }
 584
 585 static inline void __iomem *musb_read_target_reg_base(u8 i, void __iomem *mbase)
 586 {
 587         return NULL;
 588 }
 589
 590 static inline void musb_write_rxfunaddr(void __iomem *ep_target_regs,
 591                 u8 qh_addr_req)
 592 {
 593 }
 594
 595 static inline void musb_write_rxhubaddr(void __iomem *ep_target_regs,
 596                 u8 qh_h_addr_reg)
 597 {
 598 }
 599
 600 static inline void musb_write_rxhubport(void __iomem *ep_target_regs,
 601                 u8 qh_h_port_reg)
 602 {
 603 }
 604
 605 static inline void  musb_write_txfunaddr(void __iomem *mbase, u8 epnum,
 606                 u8 qh_addr_reg)
 607 {
 608 }
 609
 610 static inline void  musb_write_txhubaddr(void __iomem *mbase, u8 epnum,
 611                 u8 qh_addr_reg)
 612 {
 613 }
 614
 615 static inline void  musb_write_txhubport(void __iomem *mbase, u8 epnum,
 616                 u8 qh_h_port_reg)
 617 {
 618 }
 619
 620 static inline u8 musb_read_rxfunaddr(void __iomem *mbase, u8 epnum)
 621 {
 622         return 0;
 623 }
 624
 625 static inline u8 musb_read_rxhubaddr(void __iomem *mbase, u8 epnum)
 626 {
 627         return 0;
 628 }
 629
 630 static inline u8 musb_read_rxhubport(void __iomem *mbase, u8 epnum)
 631 {
 632         return 0;
 633 }
 634
 635 static inline u8  musb_read_txfunaddr(void __iomem *mbase, u8 epnum)
 636 {
 637         return 0;
 638 }
 639
 640 static inline u8  musb_read_txhubaddr(void __iomem *mbase, u8 epnum)
 641 {
 642         return 0;
 643 }
 644
 645 static inline u8 musb_read_txhubport(void __iomem *mbase, u8 epnum)
 646 {
 647         return 0;
 648 }
 649
 650 #endif /* CONFIG_BLACKFIN */
 651
 652 #endif  /* __MUSB_REGS_H__ */