1 /* 2 * ISP1362 HCD (Host Controller Driver) for USB. 3 * 4 * COPYRIGHT (C) by L. Wassmann <LW@KARO-electronics.de> 5 */ 6 7 /* ------------------------------------------------------------------------- */ 8 /* 9 * Platform specific compile time options 10 */ 11 #if defined(CONFIG_BLACKFIN) 12 13 #include <linux/io.h> 14 #define USE_32BIT 0 15 #define MAX_ROOT_PORTS 2 16 #define USE_PLATFORM_DELAY 0 17 #define USE_NDELAY 1 18 19 #define DUMMY_DELAY_ACCESS \ 20 do { \ 21 bfin_read16(ASYNC_BANK0_BASE); \ 22 bfin_read16(ASYNC_BANK0_BASE); \ 23 bfin_read16(ASYNC_BANK0_BASE); \ 24 } while (0) 25 26 #undef insw 27 #undef outsw 28 29 #define insw delayed_insw 30 #define outsw delayed_outsw 31 32 static inline void delayed_outsw(unsigned int addr, void *buf, int len) 33 { 34 unsigned short *bp = (unsigned short *)buf; 35 while (len--) { 36 DUMMY_DELAY_ACCESS; 37 outw(*bp++, addr); 38 } 39 } 40 41 static inline void delayed_insw(unsigned int addr, void *buf, int len) 42 { 43 unsigned short *bp = (unsigned short *)buf; 44 while (len--) { 45 DUMMY_DELAY_ACCESS; 46 *bp++ = inw(addr); 47 } 48 } 49 50 #else 51 52 #define MAX_ROOT_PORTS 2 53 54 #define USE_32BIT 0 55 56 /* These options are mutually eclusive */ 57 #define USE_PLATFORM_DELAY 0 58 #define USE_NDELAY 0 59 60 #define DUMMY_DELAY_ACCESS do {} while (0) 61 62 #endif 63 64 65 /* ------------------------------------------------------------------------- */ 66 67 #define USB_RESET_WIDTH 50 68 #define MAX_XFER_SIZE 1023 69 70 /* Buffer sizes */ 71 #define ISP1362_BUF_SIZE 4096 72 #define ISP1362_ISTL_BUFSIZE 512 73 #define ISP1362_INTL_BLKSIZE 64 74 #define ISP1362_INTL_BUFFERS 16 75 #define ISP1362_ATL_BLKSIZE 64 76 77 #define ISP1362_REG_WRITE_OFFSET 0x80 78 79 #define REG_WIDTH_16 0x000 80 #define REG_WIDTH_32 0x100 81 #define REG_WIDTH_MASK 0x100 82 #define REG_NO_MASK 0x0ff 83 84 #ifdef ISP1362_DEBUG 85 typedef const unsigned int isp1362_reg_t; 86 87 #define REG_ACCESS_R 0x200 88 #define REG_ACCESS_W 0x400 89 #define REG_ACCESS_RW 0x600 90 #define REG_ACCESS_MASK 0x600 91 92 #define ISP1362_REG_NO(r) ((r) & REG_NO_MASK) 93 94 #define ISP1362_REG(name, addr, width, rw) \ 95 static isp1362_reg_t ISP1362_REG_##name = ((addr) | (width) | (rw)) 96 97 #define REG_ACCESS_TEST(r) BUG_ON(((r) & ISP1362_REG_WRITE_OFFSET) && !((r) & REG_ACCESS_W)) 98 #define REG_WIDTH_TEST(r, w) BUG_ON(((r) & REG_WIDTH_MASK) != (w)) 99 #else 100 typedef const unsigned char isp1362_reg_t; 101 #define ISP1362_REG_NO(r) (r) 102 103 #define ISP1362_REG(name, addr, width, rw) \ 104 static isp1362_reg_t ISP1362_REG_##name = addr 105 106 #define REG_ACCESS_TEST(r) do {} while (0) 107 #define REG_WIDTH_TEST(r, w) do {} while (0) 108 #endif 109 110 /* OHCI compatible registers */ 111 /* 112 * Note: Some of the ISP1362 'OHCI' registers implement only 113 * a subset of the bits defined in the OHCI spec. 114 * 115 * Bitmasks for the individual bits of these registers are defined in "ohci.h" 116 */ 117 ISP1362_REG(HCREVISION, 0x00, REG_WIDTH_32, REG_ACCESS_R); 118 ISP1362_REG(HCCONTROL, 0x01, REG_WIDTH_32, REG_ACCESS_RW); 119 ISP1362_REG(HCCMDSTAT, 0x02, REG_WIDTH_32, REG_ACCESS_RW); 120 ISP1362_REG(HCINTSTAT, 0x03, REG_WIDTH_32, REG_ACCESS_RW); 121 ISP1362_REG(HCINTENB, 0x04, REG_WIDTH_32, REG_ACCESS_RW); 122 ISP1362_REG(HCINTDIS, 0x05, REG_WIDTH_32, REG_ACCESS_RW); 123 ISP1362_REG(HCFMINTVL, 0x0d, REG_WIDTH_32, REG_ACCESS_RW); 124 ISP1362_REG(HCFMREM, 0x0e, REG_WIDTH_32, REG_ACCESS_RW); 125 ISP1362_REG(HCFMNUM, 0x0f, REG_WIDTH_32, REG_ACCESS_RW); 126 ISP1362_REG(HCLSTHRESH, 0x11, REG_WIDTH_32, REG_ACCESS_RW); 127 ISP1362_REG(HCRHDESCA, 0x12, REG_WIDTH_32, REG_ACCESS_RW); 128 ISP1362_REG(HCRHDESCB, 0x13, REG_WIDTH_32, REG_ACCESS_RW); 129 ISP1362_REG(HCRHSTATUS, 0x14, REG_WIDTH_32, REG_ACCESS_RW); 130 ISP1362_REG(HCRHPORT1, 0x15, REG_WIDTH_32, REG_ACCESS_RW); 131 ISP1362_REG(HCRHPORT2, 0x16, REG_WIDTH_32, REG_ACCESS_RW); 132 133 /* Philips ISP1362 specific registers */ 134 ISP1362_REG(HCHWCFG, 0x20, REG_WIDTH_16, REG_ACCESS_RW); 135 #define HCHWCFG_DISABLE_SUSPEND (1 << 15) 136 #define HCHWCFG_GLOBAL_PWRDOWN (1 << 14) 137 #define HCHWCFG_PULLDOWN_DS2 (1 << 13) 138 #define HCHWCFG_PULLDOWN_DS1 (1 << 12) 139 #define HCHWCFG_CLKNOTSTOP (1 << 11) 140 #define HCHWCFG_ANALOG_OC (1 << 10) 141 #define HCHWCFG_ONEINT (1 << 9) 142 #define HCHWCFG_DACK_MODE (1 << 8) 143 #define HCHWCFG_ONEDMA (1 << 7) 144 #define HCHWCFG_DACK_POL (1 << 6) 145 #define HCHWCFG_DREQ_POL (1 << 5) 146 #define HCHWCFG_DBWIDTH_MASK (0x03 << 3) 147 #define HCHWCFG_DBWIDTH(n) (((n) << 3) & HCHWCFG_DBWIDTH_MASK) 148 #define HCHWCFG_INT_POL (1 << 2) 149 #define HCHWCFG_INT_TRIGGER (1 << 1) 150 #define HCHWCFG_INT_ENABLE (1 << 0) 151 152 ISP1362_REG(HCDMACFG, 0x21, REG_WIDTH_16, REG_ACCESS_RW); 153 #define HCDMACFG_CTR_ENABLE (1 << 7) 154 #define HCDMACFG_BURST_LEN_MASK (0x03 << 5) 155 #define HCDMACFG_BURST_LEN(n) (((n) << 5) & HCDMACFG_BURST_LEN_MASK) 156 #define HCDMACFG_BURST_LEN_1 HCDMACFG_BURST_LEN(0) 157 #define HCDMACFG_BURST_LEN_4 HCDMACFG_BURST_LEN(1) 158 #define HCDMACFG_BURST_LEN_8 HCDMACFG_BURST_LEN(2) 159 #define HCDMACFG_DMA_ENABLE (1 << 4) 160 #define HCDMACFG_BUF_TYPE_MASK (0x07 << 1) 161 #define HCDMACFG_BUF_TYPE(n) (((n) << 1) & HCDMACFG_BUF_TYPE_MASK) 162 #define HCDMACFG_BUF_ISTL0 HCDMACFG_BUF_TYPE(0) 163 #define HCDMACFG_BUF_ISTL1 HCDMACFG_BUF_TYPE(1) 164 #define HCDMACFG_BUF_INTL HCDMACFG_BUF_TYPE(2) 165 #define HCDMACFG_BUF_ATL HCDMACFG_BUF_TYPE(3) 166 #define HCDMACFG_BUF_DIRECT HCDMACFG_BUF_TYPE(4) 167 #define HCDMACFG_DMA_RW_SELECT (1 << 0) 168 169 ISP1362_REG(HCXFERCTR, 0x22, REG_WIDTH_16, REG_ACCESS_RW); 170 171 ISP1362_REG(HCuPINT, 0x24, REG_WIDTH_16, REG_ACCESS_RW); 172 #define HCuPINT_SOF (1 << 0) 173 #define HCuPINT_ISTL0 (1 << 1) 174 #define HCuPINT_ISTL1 (1 << 2) 175 #define HCuPINT_EOT (1 << 3) 176 #define HCuPINT_OPR (1 << 4) 177 #define HCuPINT_SUSP (1 << 5) 178 #define HCuPINT_CLKRDY (1 << 6) 179 #define HCuPINT_INTL (1 << 7) 180 #define HCuPINT_ATL (1 << 8) 181 #define HCuPINT_OTG (1 << 9) 182 183 ISP1362_REG(HCuPINTENB, 0x25, REG_WIDTH_16, REG_ACCESS_RW); 184 /* same bit definitions apply as for HCuPINT */ 185 186 ISP1362_REG(HCCHIPID, 0x27, REG_WIDTH_16, REG_ACCESS_R); 187 #define HCCHIPID_MASK 0xff00 188 #define HCCHIPID_MAGIC 0x3600 189 190 ISP1362_REG(HCSCRATCH, 0x28, REG_WIDTH_16, REG_ACCESS_RW); 191 192 ISP1362_REG(HCSWRES, 0x29, REG_WIDTH_16, REG_ACCESS_W); 193 #define HCSWRES_MAGIC 0x00f6 194 195 ISP1362_REG(HCBUFSTAT, 0x2c, REG_WIDTH_16, REG_ACCESS_RW); 196 #define HCBUFSTAT_ISTL0_FULL (1 << 0) 197 #define HCBUFSTAT_ISTL1_FULL (1 << 1) 198 #define HCBUFSTAT_INTL_ACTIVE (1 << 2) 199 #define HCBUFSTAT_ATL_ACTIVE (1 << 3) 200 #define HCBUFSTAT_RESET_HWPP (1 << 4) 201 #define HCBUFSTAT_ISTL0_ACTIVE (1 << 5) 202 #define HCBUFSTAT_ISTL1_ACTIVE (1 << 6) 203 #define HCBUFSTAT_ISTL0_DONE (1 << 8) 204 #define HCBUFSTAT_ISTL1_DONE (1 << 9) 205 #define HCBUFSTAT_PAIRED_PTDPP (1 << 10) 206 207 ISP1362_REG(HCDIRADDR, 0x32, REG_WIDTH_32, REG_ACCESS_RW); 208 #define HCDIRADDR_ADDR_MASK 0x0000ffff 209 #define HCDIRADDR_ADDR(n) (((n) << 0) & HCDIRADDR_ADDR_MASK) 210 #define HCDIRADDR_COUNT_MASK 0xffff0000 211 #define HCDIRADDR_COUNT(n) (((n) << 16) & HCDIRADDR_COUNT_MASK) 212 ISP1362_REG(HCDIRDATA, 0x45, REG_WIDTH_16, REG_ACCESS_RW); 213 214 ISP1362_REG(HCISTLBUFSZ, 0x30, REG_WIDTH_16, REG_ACCESS_RW); 215 ISP1362_REG(HCISTL0PORT, 0x40, REG_WIDTH_16, REG_ACCESS_RW); 216 ISP1362_REG(HCISTL1PORT, 0x42, REG_WIDTH_16, REG_ACCESS_RW); 217 ISP1362_REG(HCISTLRATE, 0x47, REG_WIDTH_16, REG_ACCESS_RW); 218 219 ISP1362_REG(HCINTLBUFSZ, 0x33, REG_WIDTH_16, REG_ACCESS_RW); 220 ISP1362_REG(HCINTLPORT, 0x43, REG_WIDTH_16, REG_ACCESS_RW); 221 ISP1362_REG(HCINTLBLKSZ, 0x53, REG_WIDTH_16, REG_ACCESS_RW); 222 ISP1362_REG(HCINTLDONE, 0x17, REG_WIDTH_32, REG_ACCESS_R); 223 ISP1362_REG(HCINTLSKIP, 0x18, REG_WIDTH_32, REG_ACCESS_RW); 224 ISP1362_REG(HCINTLLAST, 0x19, REG_WIDTH_32, REG_ACCESS_RW); 225 ISP1362_REG(HCINTLCURR, 0x1a, REG_WIDTH_16, REG_ACCESS_R); 226 227 ISP1362_REG(HCATLBUFSZ, 0x34, REG_WIDTH_16, REG_ACCESS_RW); 228 ISP1362_REG(HCATLPORT, 0x44, REG_WIDTH_16, REG_ACCESS_RW); 229 ISP1362_REG(HCATLBLKSZ, 0x54, REG_WIDTH_16, REG_ACCESS_RW); 230 ISP1362_REG(HCATLDONE, 0x1b, REG_WIDTH_32, REG_ACCESS_R); 231 ISP1362_REG(HCATLSKIP, 0x1c, REG_WIDTH_32, REG_ACCESS_RW); 232 ISP1362_REG(HCATLLAST, 0x1d, REG_WIDTH_32, REG_ACCESS_RW); 233 ISP1362_REG(HCATLCURR, 0x1e, REG_WIDTH_16, REG_ACCESS_R); 234 235 ISP1362_REG(HCATLDTC, 0x51, REG_WIDTH_16, REG_ACCESS_RW); 236 ISP1362_REG(HCATLDTCTO, 0x52, REG_WIDTH_16, REG_ACCESS_RW); 237 238 239 ISP1362_REG(OTGCONTROL, 0x62, REG_WIDTH_16, REG_ACCESS_RW); 240 ISP1362_REG(OTGSTATUS, 0x67, REG_WIDTH_16, REG_ACCESS_R); 241 ISP1362_REG(OTGINT, 0x68, REG_WIDTH_16, REG_ACCESS_RW); 242 ISP1362_REG(OTGINTENB, 0x69, REG_WIDTH_16, REG_ACCESS_RW); 243 ISP1362_REG(OTGTIMER, 0x6A, REG_WIDTH_16, REG_ACCESS_RW); 244 ISP1362_REG(OTGALTTMR, 0x6C, REG_WIDTH_16, REG_ACCESS_RW); 245 246 /* Philips transfer descriptor, cpu-endian */ 247 struct ptd { 248 u16 count; 249 #define PTD_COUNT_MSK (0x3ff << 0) 250 #define PTD_TOGGLE_MSK (1 << 10) 251 #define PTD_ACTIVE_MSK (1 << 11) 252 #define PTD_CC_MSK (0xf << 12) 253 u16 mps; 254 #define PTD_MPS_MSK (0x3ff << 0) 255 #define PTD_SPD_MSK (1 << 10) 256 #define PTD_LAST_MSK (1 << 11) 257 #define PTD_EP_MSK (0xf << 12) 258 u16 len; 259 #define PTD_LEN_MSK (0x3ff << 0) 260 #define PTD_DIR_MSK (3 << 10) 261 #define PTD_DIR_SETUP (0) 262 #define PTD_DIR_OUT (1) 263 #define PTD_DIR_IN (2) 264 u16 faddr; 265 #define PTD_FA_MSK (0x7f << 0) 266 /* PTD Byte 7: [StartingFrame (if ISO PTD) | StartingFrame[0..4], PollingRate[0..2] (if INT PTD)] */ 267 #define PTD_SF_ISO_MSK (0xff << 8) 268 #define PTD_SF_INT_MSK (0x1f << 8) 269 #define PTD_PR_MSK (0x07 << 13) 270 } __attribute__ ((packed, aligned(2))); 271 #define PTD_HEADER_SIZE sizeof(struct ptd) 272 273 /* ------------------------------------------------------------------------- */ 274 /* Copied from ohci.h: */ 275 /* 276 * Hardware transfer status codes -- CC from PTD 277 */ 278 #define PTD_CC_NOERROR 0x00 279 #define PTD_CC_CRC 0x01 280 #define PTD_CC_BITSTUFFING 0x02 281 #define PTD_CC_DATATOGGLEM 0x03 282 #define PTD_CC_STALL 0x04 283 #define PTD_DEVNOTRESP 0x05 284 #define PTD_PIDCHECKFAIL 0x06 285 #define PTD_UNEXPECTEDPID 0x07 286 #define PTD_DATAOVERRUN 0x08 287 #define PTD_DATAUNDERRUN 0x09 288 /* 0x0A, 0x0B reserved for hardware */ 289 #define PTD_BUFFEROVERRUN 0x0C 290 #define PTD_BUFFERUNDERRUN 0x0D 291 /* 0x0E, 0x0F reserved for HCD */ 292 #define PTD_NOTACCESSED 0x0F 293 294 295 /* map OHCI TD status codes (CC) to errno values */ 296 static const int cc_to_error[16] = { 297 /* No Error */ 0, 298 /* CRC Error */ -EILSEQ, 299 /* Bit Stuff */ -EPROTO, 300 /* Data Togg */ -EILSEQ, 301 /* Stall */ -EPIPE, 302 /* DevNotResp */ -ETIMEDOUT, 303 /* PIDCheck */ -EPROTO, 304 /* UnExpPID */ -EPROTO, 305 /* DataOver */ -EOVERFLOW, 306 /* DataUnder */ -EREMOTEIO, 307 /* (for hw) */ -EIO, 308 /* (for hw) */ -EIO, 309 /* BufferOver */ -ECOMM, 310 /* BuffUnder */ -ENOSR, 311 /* (for HCD) */ -EALREADY, 312 /* (for HCD) */ -EALREADY 313 }; 314 315 316 /* 317 * HcControl (control) register masks 318 */ 319 #define OHCI_CTRL_HCFS (3 << 6) /* host controller functional state */ 320 #define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ 321 #define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */ 322 323 /* pre-shifted values for HCFS */ 324 # define OHCI_USB_RESET (0 << 6) 325 # define OHCI_USB_RESUME (1 << 6) 326 # define OHCI_USB_OPER (2 << 6) 327 # define OHCI_USB_SUSPEND (3 << 6) 328 329 /* 330 * HcCommandStatus (cmdstatus) register masks 331 */ 332 #define OHCI_HCR (1 << 0) /* host controller reset */ 333 #define OHCI_SOC (3 << 16) /* scheduling overrun count */ 334 335 /* 336 * masks used with interrupt registers: 337 * HcInterruptStatus (intrstatus) 338 * HcInterruptEnable (intrenable) 339 * HcInterruptDisable (intrdisable) 340 */ 341 #define OHCI_INTR_SO (1 << 0) /* scheduling overrun */ 342 #define OHCI_INTR_WDH (1 << 1) /* writeback of done_head */ 343 #define OHCI_INTR_SF (1 << 2) /* start frame */ 344 #define OHCI_INTR_RD (1 << 3) /* resume detect */ 345 #define OHCI_INTR_UE (1 << 4) /* unrecoverable error */ 346 #define OHCI_INTR_FNO (1 << 5) /* frame number overflow */ 347 #define OHCI_INTR_RHSC (1 << 6) /* root hub status change */ 348 #define OHCI_INTR_OC (1 << 30) /* ownership change */ 349 #define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */ 350 351 /* roothub.portstatus [i] bits */ 352 #define RH_PS_CCS 0x00000001 /* current connect status */ 353 #define RH_PS_PES 0x00000002 /* port enable status*/ 354 #define RH_PS_PSS 0x00000004 /* port suspend status */ 355 #define RH_PS_POCI 0x00000008 /* port over current indicator */ 356 #define RH_PS_PRS 0x00000010 /* port reset status */ 357 #define RH_PS_PPS 0x00000100 /* port power status */ 358 #define RH_PS_LSDA 0x00000200 /* low speed device attached */ 359 #define RH_PS_CSC 0x00010000 /* connect status change */ 360 #define RH_PS_PESC 0x00020000 /* port enable status change */ 361 #define RH_PS_PSSC 0x00040000 /* port suspend status change */ 362 #define RH_PS_OCIC 0x00080000 /* over current indicator change */ 363 #define RH_PS_PRSC 0x00100000 /* port reset status change */ 364 365 /* roothub.status bits */ 366 #define RH_HS_LPS 0x00000001 /* local power status */ 367 #define RH_HS_OCI 0x00000002 /* over current indicator */ 368 #define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ 369 #define RH_HS_LPSC 0x00010000 /* local power status change */ 370 #define RH_HS_OCIC 0x00020000 /* over current indicator change */ 371 #define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ 372 373 /* roothub.b masks */ 374 #define RH_B_DR 0x0000ffff /* device removable flags */ 375 #define RH_B_PPCM 0xffff0000 /* port power control mask */ 376 377 /* roothub.a masks */ 378 #define RH_A_NDP (0xff << 0) /* number of downstream ports */ 379 #define RH_A_PSM (1 << 8) /* power switching mode */ 380 #define RH_A_NPS (1 << 9) /* no power switching */ 381 #define RH_A_DT (1 << 10) /* device type (mbz) */ 382 #define RH_A_OCPM (1 << 11) /* over current protection mode */ 383 #define RH_A_NOCP (1 << 12) /* no over current protection */ 384 #define RH_A_POTPGT (0xff << 24) /* power on to power good time */ 385 386 #define FI 0x2edf /* 12000 bits per frame (-1) */ 387 #define FSMP(fi) (0x7fff & ((6 * ((fi) - 210)) / 7)) 388 #define LSTHRESH 0x628 /* lowspeed bit threshold */ 389 390 /* ------------------------------------------------------------------------- */ 391 392 /* PTD accessor macros. */ 393 #define PTD_GET_COUNT(p) (((p)->count & PTD_COUNT_MSK) >> 0) 394 #define PTD_COUNT(v) (((v) << 0) & PTD_COUNT_MSK) 395 #define PTD_GET_TOGGLE(p) (((p)->count & PTD_TOGGLE_MSK) >> 10) 396 #define PTD_TOGGLE(v) (((v) << 10) & PTD_TOGGLE_MSK) 397 #define PTD_GET_ACTIVE(p) (((p)->count & PTD_ACTIVE_MSK) >> 11) 398 #define PTD_ACTIVE(v) (((v) << 11) & PTD_ACTIVE_MSK) 399 #define PTD_GET_CC(p) (((p)->count & PTD_CC_MSK) >> 12) 400 #define PTD_CC(v) (((v) << 12) & PTD_CC_MSK) 401 #define PTD_GET_MPS(p) (((p)->mps & PTD_MPS_MSK) >> 0) 402 #define PTD_MPS(v) (((v) << 0) & PTD_MPS_MSK) 403 #define PTD_GET_SPD(p) (((p)->mps & PTD_SPD_MSK) >> 10) 404 #define PTD_SPD(v) (((v) << 10) & PTD_SPD_MSK) 405 #define PTD_GET_LAST(p) (((p)->mps & PTD_LAST_MSK) >> 11) 406 #define PTD_LAST(v) (((v) << 11) & PTD_LAST_MSK) 407 #define PTD_GET_EP(p) (((p)->mps & PTD_EP_MSK) >> 12) 408 #define PTD_EP(v) (((v) << 12) & PTD_EP_MSK) 409 #define PTD_GET_LEN(p) (((p)->len & PTD_LEN_MSK) >> 0) 410 #define PTD_LEN(v) (((v) << 0) & PTD_LEN_MSK) 411 #define PTD_GET_DIR(p) (((p)->len & PTD_DIR_MSK) >> 10) 412 #define PTD_DIR(v) (((v) << 10) & PTD_DIR_MSK) 413 #define PTD_GET_FA(p) (((p)->faddr & PTD_FA_MSK) >> 0) 414 #define PTD_FA(v) (((v) << 0) & PTD_FA_MSK) 415 #define PTD_GET_SF_INT(p) (((p)->faddr & PTD_SF_INT_MSK) >> 8) 416 #define PTD_SF_INT(v) (((v) << 8) & PTD_SF_INT_MSK) 417 #define PTD_GET_SF_ISO(p) (((p)->faddr & PTD_SF_ISO_MSK) >> 8) 418 #define PTD_SF_ISO(v) (((v) << 8) & PTD_SF_ISO_MSK) 419 #define PTD_GET_PR(p) (((p)->faddr & PTD_PR_MSK) >> 13) 420 #define PTD_PR(v) (((v) << 13) & PTD_PR_MSK) 421 422 #define LOG2_PERIODIC_SIZE 5 /* arbitrary; this matches OHCI */ 423 #define PERIODIC_SIZE (1 << LOG2_PERIODIC_SIZE) 424 425 struct isp1362_ep { 426 struct usb_host_endpoint *hep; 427 struct usb_device *udev; 428 429 /* philips transfer descriptor */ 430 struct ptd ptd; 431 432 u8 maxpacket; 433 u8 epnum; 434 u8 nextpid; 435 u16 error_count; 436 u16 length; /* of current packet */ 437 s16 ptd_offset; /* buffer offset in ISP1362 where 438 PTD has been stored 439 (for access thru HCDIRDATA) */ 440 int ptd_index; 441 int num_ptds; 442 void *data; /* to databuf */ 443 /* queue of active EPs (the ones transmitted to the chip) */ 444 struct list_head active; 445 446 /* periodic schedule */ 447 u8 branch; 448 u16 interval; 449 u16 load; 450 u16 last_iso; 451 452 /* async schedule */ 453 struct list_head schedule; /* list of all EPs that need processing */ 454 struct list_head remove_list; 455 int num_req; 456 }; 457 458 struct isp1362_ep_queue { 459 struct list_head active; /* list of PTDs currently processed by HC */ 460 atomic_t finishing; 461 unsigned long buf_map; 462 unsigned long skip_map; 463 int free_ptd; 464 u16 buf_start; 465 u16 buf_size; 466 u16 blk_size; /* PTD buffer block size for ATL and INTL */ 467 u8 buf_count; 468 u8 buf_avail; 469 char name[16]; 470 471 /* for statistical tracking */ 472 u8 stat_maxptds; /* Max # of ptds seen simultaneously in fifo */ 473 u8 ptd_count; /* number of ptds submitted to this queue */ 474 }; 475 476 struct isp1362_hcd { 477 spinlock_t lock; 478 void __iomem *addr_reg; 479 void __iomem *data_reg; 480 481 struct isp1362_platform_data *board; 482 483 struct dentry *debug_file; 484 unsigned long stat1, stat2, stat4, stat8, stat16; 485 486 /* HC registers */ 487 u32 intenb; /* "OHCI" interrupts */ 488 u16 irqenb; /* uP interrupts */ 489 490 /* Root hub registers */ 491 u32 rhdesca; 492 u32 rhdescb; 493 u32 rhstatus; 494 u32 rhport[MAX_ROOT_PORTS]; 495 unsigned long next_statechange; 496 497 /* HC control reg shadow copy */ 498 u32 hc_control; 499 500 /* async schedule: control, bulk */ 501 struct list_head async; 502 503 /* periodic schedule: int */ 504 u16 load[PERIODIC_SIZE]; 505 struct list_head periodic; 506 u16 fmindex; 507 508 /* periodic schedule: isochronous */ 509 struct list_head isoc; 510 unsigned int istl_flip:1; 511 unsigned int irq_active:1; 512 513 /* Schedules for the current frame */ 514 struct isp1362_ep_queue atl_queue; 515 struct isp1362_ep_queue intl_queue; 516 struct isp1362_ep_queue istl_queue[2]; 517 518 /* list of PTDs retrieved from HC */ 519 struct list_head remove_list; 520 enum { 521 ISP1362_INT_SOF, 522 ISP1362_INT_ISTL0, 523 ISP1362_INT_ISTL1, 524 ISP1362_INT_EOT, 525 ISP1362_INT_OPR, 526 ISP1362_INT_SUSP, 527 ISP1362_INT_CLKRDY, 528 ISP1362_INT_INTL, 529 ISP1362_INT_ATL, 530 ISP1362_INT_OTG, 531 NUM_ISP1362_IRQS 532 } IRQ_NAMES; 533 unsigned int irq_stat[NUM_ISP1362_IRQS]; 534 int req_serial; 535 }; 536 537 static inline const char *ISP1362_INT_NAME(int n) 538 { 539 switch (n) { 540 case ISP1362_INT_SOF: return "SOF"; 541 case ISP1362_INT_ISTL0: return "ISTL0"; 542 case ISP1362_INT_ISTL1: return "ISTL1"; 543 case ISP1362_INT_EOT: return "EOT"; 544 case ISP1362_INT_OPR: return "OPR"; 545 case ISP1362_INT_SUSP: return "SUSP"; 546 case ISP1362_INT_CLKRDY: return "CLKRDY"; 547 case ISP1362_INT_INTL: return "INTL"; 548 case ISP1362_INT_ATL: return "ATL"; 549 case ISP1362_INT_OTG: return "OTG"; 550 default: return "unknown"; 551 } 552 } 553 554 static inline void ALIGNSTAT(struct isp1362_hcd *isp1362_hcd, void *ptr) 555 { 556 unsigned long p = (unsigned long)ptr; 557 if (!(p & 0xf)) 558 isp1362_hcd->stat16++; 559 else if (!(p & 0x7)) 560 isp1362_hcd->stat8++; 561 else if (!(p & 0x3)) 562 isp1362_hcd->stat4++; 563 else if (!(p & 0x1)) 564 isp1362_hcd->stat2++; 565 else 566 isp1362_hcd->stat1++; 567 } 568 569 static inline struct isp1362_hcd *hcd_to_isp1362_hcd(struct usb_hcd *hcd) 570 { 571 return (struct isp1362_hcd *) (hcd->hcd_priv); 572 } 573 574 static inline struct usb_hcd *isp1362_hcd_to_hcd(struct isp1362_hcd *isp1362_hcd) 575 { 576 return container_of((void *)isp1362_hcd, struct usb_hcd, hcd_priv); 577 } 578 579 #define frame_before(f1, f2) ((s16)((u16)f1 - (u16)f2) < 0) 580 581 /* 582 * ISP1362 HW Interface 583 */ 584 585 #define DBG(level, fmt...) \ 586 do { \ 587 if (dbg_level > level) \ 588 pr_debug(fmt); \ 589 } while (0) 590 591 #ifdef VERBOSE 592 # define VDBG(fmt...) DBG(3, fmt) 593 #else 594 # define VDBG(fmt...) do {} while (0) 595 #endif 596 597 #ifdef REGISTERS 598 # define RDBG(fmt...) DBG(1, fmt) 599 #else 600 # define RDBG(fmt...) do {} while (0) 601 #endif 602 603 #ifdef URB_TRACE 604 #define URB_DBG(fmt...) DBG(0, fmt) 605 #else 606 #define URB_DBG(fmt...) do {} while (0) 607 #endif 608 609 610 #if USE_PLATFORM_DELAY 611 #if USE_NDELAY 612 #error USE_PLATFORM_DELAY and USE_NDELAY defined simultaneously. 613 #endif 614 #define isp1362_delay(h, d) (h)->board->delay(isp1362_hcd_to_hcd(h)->self.controller, d) 615 #elif USE_NDELAY 616 #define isp1362_delay(h, d) ndelay(d) 617 #else 618 #define isp1362_delay(h, d) do {} while (0) 619 #endif 620 621 #define get_urb(ep) ({ \ 622 BUG_ON(list_empty(&ep->hep->urb_list)); \ 623 container_of(ep->hep->urb_list.next, struct urb, urb_list); \ 624 }) 625 626 /* basic access functions for ISP1362 chip registers */ 627 /* NOTE: The contents of the address pointer register cannot be read back! The driver must ensure, 628 * that all register accesses are performed with interrupts disabled, since the interrupt 629 * handler has no way of restoring the previous state. 630 */ 631 static void isp1362_write_addr(struct isp1362_hcd *isp1362_hcd, isp1362_reg_t reg) 632 { 633 REG_ACCESS_TEST(reg); 634 DUMMY_DELAY_ACCESS; 635 writew(ISP1362_REG_NO(reg), isp1362_hcd->addr_reg); 636 DUMMY_DELAY_ACCESS; 637 isp1362_delay(isp1362_hcd, 1); 638 } 639 640 static void isp1362_write_data16(struct isp1362_hcd *isp1362_hcd, u16 val) 641 { 642 DUMMY_DELAY_ACCESS; 643 writew(val, isp1362_hcd->data_reg); 644 } 645 646 static u16 isp1362_read_data16(struct isp1362_hcd *isp1362_hcd) 647 { 648 u16 val; 649 650 DUMMY_DELAY_ACCESS; 651 val = readw(isp1362_hcd->data_reg); 652 653 return val; 654 } 655 656 static void isp1362_write_data32(struct isp1362_hcd *isp1362_hcd, u32 val) 657 { 658 #if USE_32BIT 659 DUMMY_DELAY_ACCESS; 660 writel(val, isp1362_hcd->data_reg); 661 #else 662 DUMMY_DELAY_ACCESS; 663 writew((u16)val, isp1362_hcd->data_reg); 664 DUMMY_DELAY_ACCESS; 665 writew(val >> 16, isp1362_hcd->data_reg); 666 #endif 667 } 668 669 static u32 isp1362_read_data32(struct isp1362_hcd *isp1362_hcd) 670 { 671 u32 val; 672 673 #if USE_32BIT 674 DUMMY_DELAY_ACCESS; 675 val = readl(isp1362_hcd->data_reg); 676 #else 677 DUMMY_DELAY_ACCESS; 678 val = (u32)readw(isp1362_hcd->data_reg); 679 DUMMY_DELAY_ACCESS; 680 val |= (u32)readw(isp1362_hcd->data_reg) << 16; 681 #endif 682 return val; 683 } 684 685 /* use readsw/writesw to access the fifo whenever possible */ 686 /* assume HCDIRDATA or XFERCTR & addr_reg have been set up */ 687 static void isp1362_read_fifo(struct isp1362_hcd *isp1362_hcd, void *buf, u16 len) 688 { 689 u8 *dp = buf; 690 u16 data; 691 692 if (!len) 693 return; 694 695 RDBG("%s: Reading %d byte from fifo to mem @ %p\n", __func__, len, buf); 696 #if USE_32BIT 697 if (len >= 4) { 698 RDBG("%s: Using readsl for %d dwords\n", __func__, len >> 2); 699 readsl(isp1362_hcd->data_reg, dp, len >> 2); 700 dp += len & ~3; 701 len &= 3; 702 } 703 #endif 704 if (len >= 2) { 705 RDBG("%s: Using readsw for %d words\n", __func__, len >> 1); 706 insw((unsigned long)isp1362_hcd->data_reg, dp, len >> 1); 707 dp += len & ~1; 708 len &= 1; 709 } 710 711 BUG_ON(len & ~1); 712 if (len > 0) { 713 data = isp1362_read_data16(isp1362_hcd); 714 RDBG("%s: Reading trailing byte %02x to mem @ %08x\n", __func__, 715 (u8)data, (u32)dp); 716 *dp = (u8)data; 717 } 718 } 719 720 static void isp1362_write_fifo(struct isp1362_hcd *isp1362_hcd, void *buf, u16 len) 721 { 722 u8 *dp = buf; 723 u16 data; 724 725 if (!len) 726 return; 727 728 if ((unsigned long)dp & 0x1) { 729 /* not aligned */ 730 for (; len > 1; len -= 2) { 731 data = *dp++; 732 data |= *dp++ << 8; 733 isp1362_write_data16(isp1362_hcd, data); 734 } 735 if (len) 736 isp1362_write_data16(isp1362_hcd, *dp); 737 return; 738 } 739 740 RDBG("%s: Writing %d byte to fifo from memory @%p\n", __func__, len, buf); 741 #if USE_32BIT 742 if (len >= 4) { 743 RDBG("%s: Using writesl for %d dwords\n", __func__, len >> 2); 744 writesl(isp1362_hcd->data_reg, dp, len >> 2); 745 dp += len & ~3; 746 len &= 3; 747 } 748 #endif 749 if (len >= 2) { 750 RDBG("%s: Using writesw for %d words\n", __func__, len >> 1); 751 outsw((unsigned long)isp1362_hcd->data_reg, dp, len >> 1); 752 dp += len & ~1; 753 len &= 1; 754 } 755 756 BUG_ON(len & ~1); 757 if (len > 0) { 758 /* finally write any trailing byte; we don't need to care 759 * about the high byte of the last word written 760 */ 761 data = (u16)*dp; 762 RDBG("%s: Sending trailing byte %02x from mem @ %08x\n", __func__, 763 data, (u32)dp); 764 isp1362_write_data16(isp1362_hcd, data); 765 } 766 } 767 768 #define isp1362_read_reg16(d, r) ({ \ 769 u16 __v; \ 770 REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_16); \ 771 isp1362_write_addr(d, ISP1362_REG_##r); \ 772 __v = isp1362_read_data16(d); \ 773 RDBG("%s: Read %04x from %s[%02x]\n", __func__, __v, #r, \ 774 ISP1362_REG_NO(ISP1362_REG_##r)); \ 775 __v; \ 776 }) 777 778 #define isp1362_read_reg32(d, r) ({ \ 779 u32 __v; \ 780 REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_32); \ 781 isp1362_write_addr(d, ISP1362_REG_##r); \ 782 __v = isp1362_read_data32(d); \ 783 RDBG("%s: Read %08x from %s[%02x]\n", __func__, __v, #r, \ 784 ISP1362_REG_NO(ISP1362_REG_##r)); \ 785 __v; \ 786 }) 787 788 #define isp1362_write_reg16(d, r, v) { \ 789 REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_16); \ 790 isp1362_write_addr(d, (ISP1362_REG_##r) | ISP1362_REG_WRITE_OFFSET); \ 791 isp1362_write_data16(d, (u16)(v)); \ 792 RDBG("%s: Wrote %04x to %s[%02x]\n", __func__, (u16)(v), #r, \ 793 ISP1362_REG_NO(ISP1362_REG_##r)); \ 794 } 795 796 #define isp1362_write_reg32(d, r, v) { \ 797 REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_32); \ 798 isp1362_write_addr(d, (ISP1362_REG_##r) | ISP1362_REG_WRITE_OFFSET); \ 799 isp1362_write_data32(d, (u32)(v)); \ 800 RDBG("%s: Wrote %08x to %s[%02x]\n", __func__, (u32)(v), #r, \ 801 ISP1362_REG_NO(ISP1362_REG_##r)); \ 802 } 803 804 #define isp1362_set_mask16(d, r, m) { \ 805 u16 __v; \ 806 __v = isp1362_read_reg16(d, r); \ 807 if ((__v | m) != __v) \ 808 isp1362_write_reg16(d, r, __v | m); \ 809 } 810 811 #define isp1362_clr_mask16(d, r, m) { \ 812 u16 __v; \ 813 __v = isp1362_read_reg16(d, r); \ 814 if ((__v & ~m) != __v) \ 815 isp1362_write_reg16(d, r, __v & ~m); \ 816 } 817 818 #define isp1362_set_mask32(d, r, m) { \ 819 u32 __v; \ 820 __v = isp1362_read_reg32(d, r); \ 821 if ((__v | m) != __v) \ 822 isp1362_write_reg32(d, r, __v | m); \ 823 } 824 825 #define isp1362_clr_mask32(d, r, m) { \ 826 u32 __v; \ 827 __v = isp1362_read_reg32(d, r); \ 828 if ((__v & ~m) != __v) \ 829 isp1362_write_reg32(d, r, __v & ~m); \ 830 } 831 832 #define isp1362_show_reg(d, r) { \ 833 if ((ISP1362_REG_##r & REG_WIDTH_MASK) == REG_WIDTH_32) \ 834 DBG(0, "%-12s[%02x]: %08x\n", #r, \ 835 ISP1362_REG_NO(ISP1362_REG_##r), isp1362_read_reg32(d, r)); \ 836 else \ 837 DBG(0, "%-12s[%02x]: %04x\n", #r, \ 838 ISP1362_REG_NO(ISP1362_REG_##r), isp1362_read_reg16(d, r)); \ 839 } 840 841 static void __attribute__((__unused__)) isp1362_show_regs(struct isp1362_hcd *isp1362_hcd) 842 { 843 isp1362_show_reg(isp1362_hcd, HCREVISION); 844 isp1362_show_reg(isp1362_hcd, HCCONTROL); 845 isp1362_show_reg(isp1362_hcd, HCCMDSTAT); 846 isp1362_show_reg(isp1362_hcd, HCINTSTAT); 847 isp1362_show_reg(isp1362_hcd, HCINTENB); 848 isp1362_show_reg(isp1362_hcd, HCFMINTVL); 849 isp1362_show_reg(isp1362_hcd, HCFMREM); 850 isp1362_show_reg(isp1362_hcd, HCFMNUM); 851 isp1362_show_reg(isp1362_hcd, HCLSTHRESH); 852 isp1362_show_reg(isp1362_hcd, HCRHDESCA); 853 isp1362_show_reg(isp1362_hcd, HCRHDESCB); 854 isp1362_show_reg(isp1362_hcd, HCRHSTATUS); 855 isp1362_show_reg(isp1362_hcd, HCRHPORT1); 856 isp1362_show_reg(isp1362_hcd, HCRHPORT2); 857 858 isp1362_show_reg(isp1362_hcd, HCHWCFG); 859 isp1362_show_reg(isp1362_hcd, HCDMACFG); 860 isp1362_show_reg(isp1362_hcd, HCXFERCTR); 861 isp1362_show_reg(isp1362_hcd, HCuPINT); 862 863 if (in_interrupt()) 864 DBG(0, "%-12s[%02x]: %04x\n", "HCuPINTENB", 865 ISP1362_REG_NO(ISP1362_REG_HCuPINTENB), isp1362_hcd->irqenb); 866 else 867 isp1362_show_reg(isp1362_hcd, HCuPINTENB); 868 isp1362_show_reg(isp1362_hcd, HCCHIPID); 869 isp1362_show_reg(isp1362_hcd, HCSCRATCH); 870 isp1362_show_reg(isp1362_hcd, HCBUFSTAT); 871 isp1362_show_reg(isp1362_hcd, HCDIRADDR); 872 /* Access would advance fifo 873 * isp1362_show_reg(isp1362_hcd, HCDIRDATA); 874 */ 875 isp1362_show_reg(isp1362_hcd, HCISTLBUFSZ); 876 isp1362_show_reg(isp1362_hcd, HCISTLRATE); 877 isp1362_show_reg(isp1362_hcd, HCINTLBUFSZ); 878 isp1362_show_reg(isp1362_hcd, HCINTLBLKSZ); 879 isp1362_show_reg(isp1362_hcd, HCINTLDONE); 880 isp1362_show_reg(isp1362_hcd, HCINTLSKIP); 881 isp1362_show_reg(isp1362_hcd, HCINTLLAST); 882 isp1362_show_reg(isp1362_hcd, HCINTLCURR); 883 isp1362_show_reg(isp1362_hcd, HCATLBUFSZ); 884 isp1362_show_reg(isp1362_hcd, HCATLBLKSZ); 885 /* only valid after ATL_DONE interrupt 886 * isp1362_show_reg(isp1362_hcd, HCATLDONE); 887 */ 888 isp1362_show_reg(isp1362_hcd, HCATLSKIP); 889 isp1362_show_reg(isp1362_hcd, HCATLLAST); 890 isp1362_show_reg(isp1362_hcd, HCATLCURR); 891 isp1362_show_reg(isp1362_hcd, HCATLDTC); 892 isp1362_show_reg(isp1362_hcd, HCATLDTCTO); 893 } 894 895 static void isp1362_write_diraddr(struct isp1362_hcd *isp1362_hcd, u16 offset, u16 len) 896 { 897 len = (len + 1) & ~1; 898 899 isp1362_clr_mask16(isp1362_hcd, HCDMACFG, HCDMACFG_CTR_ENABLE); 900 isp1362_write_reg32(isp1362_hcd, HCDIRADDR, 901 HCDIRADDR_ADDR(offset) | HCDIRADDR_COUNT(len)); 902 } 903 904 static void isp1362_read_buffer(struct isp1362_hcd *isp1362_hcd, void *buf, u16 offset, int len) 905 { 906 isp1362_write_diraddr(isp1362_hcd, offset, len); 907 908 DBG(3, "%s: Reading %d byte from buffer @%04x to memory @ %p\n", 909 __func__, len, offset, buf); 910 911 isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); 912 913 isp1362_write_addr(isp1362_hcd, ISP1362_REG_HCDIRDATA); 914 915 isp1362_read_fifo(isp1362_hcd, buf, len); 916 isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); 917 } 918 919 static void isp1362_write_buffer(struct isp1362_hcd *isp1362_hcd, void *buf, u16 offset, int len) 920 { 921 isp1362_write_diraddr(isp1362_hcd, offset, len); 922 923 DBG(3, "%s: Writing %d byte to buffer @%04x from memory @ %p\n", 924 __func__, len, offset, buf); 925 926 isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); 927 928 isp1362_write_addr(isp1362_hcd, ISP1362_REG_HCDIRDATA | ISP1362_REG_WRITE_OFFSET); 929 isp1362_write_fifo(isp1362_hcd, buf, len); 930 931 isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); 932 } 933 934 static void __attribute__((unused)) dump_data(char *buf, int len) 935 { 936 if (dbg_level > 0) { 937 int k; 938 int lf = 0; 939 940 for (k = 0; k < len; ++k) { 941 if (!lf) 942 DBG(0, "%04x:", k); 943 printk(" %02x", ((u8 *) buf)[k]); 944 lf = 1; 945 if (!k) 946 continue; 947 if (k % 16 == 15) { 948 printk("\n"); 949 lf = 0; 950 continue; 951 } 952 if (k % 8 == 7) 953 printk(" "); 954 if (k % 4 == 3) 955 printk(" "); 956 } 957 if (lf) 958 printk("\n"); 959 } 960 } 961 962 #if defined(PTD_TRACE) 963 964 static void dump_ptd(struct ptd *ptd) 965 { 966 DBG(0, "EP %p: CC=%x EP=%d DIR=%x CNT=%d LEN=%d MPS=%d TGL=%x ACT=%x FA=%d SPD=%x SF=%x PR=%x LST=%x\n", 967 container_of(ptd, struct isp1362_ep, ptd), 968 PTD_GET_CC(ptd), PTD_GET_EP(ptd), PTD_GET_DIR(ptd), 969 PTD_GET_COUNT(ptd), PTD_GET_LEN(ptd), PTD_GET_MPS(ptd), 970 PTD_GET_TOGGLE(ptd), PTD_GET_ACTIVE(ptd), PTD_GET_FA(ptd), 971 PTD_GET_SPD(ptd), PTD_GET_SF_INT(ptd), PTD_GET_PR(ptd), PTD_GET_LAST(ptd)); 972 DBG(0, " %04x %04x %04x %04x\n", ptd->count, ptd->mps, ptd->len, ptd->faddr); 973 } 974 975 static void dump_ptd_out_data(struct ptd *ptd, u8 *buf) 976 { 977 if (dbg_level > 0) { 978 if (PTD_GET_DIR(ptd) != PTD_DIR_IN && PTD_GET_LEN(ptd)) { 979 DBG(0, "--out->\n"); 980 dump_data(buf, PTD_GET_LEN(ptd)); 981 } 982 } 983 } 984 985 static void dump_ptd_in_data(struct ptd *ptd, u8 *buf) 986 { 987 if (dbg_level > 0) { 988 if (PTD_GET_DIR(ptd) == PTD_DIR_IN && PTD_GET_COUNT(ptd)) { 989 DBG(0, "<--in--\n"); 990 dump_data(buf, PTD_GET_COUNT(ptd)); 991 } 992 DBG(0, "-----\n"); 993 } 994 } 995 996 static void dump_ptd_queue(struct isp1362_ep_queue *epq) 997 { 998 struct isp1362_ep *ep; 999 int dbg = dbg_level; 1000 1001 dbg_level = 1; 1002 list_for_each_entry(ep, &epq->active, active) { 1003 dump_ptd(&ep->ptd); 1004 dump_data(ep->data, ep->length); 1005 } 1006 dbg_level = dbg; 1007 } 1008 #else 1009 #define dump_ptd(ptd) do {} while (0) 1010 #define dump_ptd_in_data(ptd, buf) do {} while (0) 1011 #define dump_ptd_out_data(ptd, buf) do {} while (0) 1012 #define dump_ptd_data(ptd, buf) do {} while (0) 1013 #define dump_ptd_queue(epq) do {} while (0) 1014 #endif 1015