projects / thirdparty / kernel / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| a9d43091 LW |
2 | /* |
| 3 | * ISP1362 HCD (Host Controller Driver) for USB. | |
| 4 | * | |
| 5 | * COPYRIGHT (C) by L. Wassmann <LW@KARO-electronics.de> | |
| 6 | */ | |
| 7 | ||
| 8 | /* ------------------------------------------------------------------------- */ | |
| 9 | /* | |
| 10 | * Platform specific compile time options | |
| 11 | */ | |
| 10d0ca02 | 12 | #if defined(CONFIG_BLACKFIN) |
| a9d43091 LW |
13 | |
| 14 | #include <linux/io.h> | |
| 15 | #define USE_32BIT 0 | |
| 16 | #define MAX_ROOT_PORTS 2 | |
| 17 | #define USE_PLATFORM_DELAY 0 | |
| 18 | #define USE_NDELAY 1 | |
| 19 | ||
| 20 | #define DUMMY_DELAY_ACCESS \ | |
| 21 | do { \ | |
| 22 | bfin_read16(ASYNC_BANK0_BASE); \ | |
| 23 | bfin_read16(ASYNC_BANK0_BASE); \ | |
| 24 | bfin_read16(ASYNC_BANK0_BASE); \ | |
| 25 | } while (0) | |
| 26 | ||
| 27 | #undef insw | |
| 28 | #undef outsw | |
| 29 | ||
| 30 | #define insw delayed_insw | |
| 31 | #define outsw delayed_outsw | |
| 32 | ||
| 33 | static inline void delayed_outsw(unsigned int addr, void *buf, int len) | |
| 34 | { | |
| 35 | unsigned short *bp = (unsigned short *)buf; | |
| 36 | while (len--) { | |
| 37 | DUMMY_DELAY_ACCESS; | |
| 38 | outw(*bp++, addr); | |
| 39 | } | |
| 40 | } | |
| 41 | ||
| 42 | static inline void delayed_insw(unsigned int addr, void *buf, int len) | |
| 43 | { | |
| 44 | unsigned short *bp = (unsigned short *)buf; | |
| 45 | while (len--) { | |
| 46 | DUMMY_DELAY_ACCESS; | |
| 0c8a32df | 47 | *bp++ = inw(addr); |
| a9d43091 LW |
48 | } |
| 49 | } | |
| 50 | ||
| 51 | #else | |
| 52 | ||
| 53 | #define MAX_ROOT_PORTS 2 | |
| 54 | ||
| 55 | #define USE_32BIT 0 | |
| 56 | ||
| 57 | /* These options are mutually eclusive */ | |
| 58 | #define USE_PLATFORM_DELAY 0 | |
| 59 | #define USE_NDELAY 0 | |
| 60 | ||
| 61 | #define DUMMY_DELAY_ACCESS do {} while (0) | |
| 62 | ||
| 63 | #endif | |
| 64 | ||
| 65 | ||
| 66 | /* ------------------------------------------------------------------------- */ | |
| 67 | ||
| 68 | #define USB_RESET_WIDTH 50 | |
| 69 | #define MAX_XFER_SIZE 1023 | |
| 70 | ||
| 71 | /* Buffer sizes */ | |
| 72 | #define ISP1362_BUF_SIZE 4096 | |
| 73 | #define ISP1362_ISTL_BUFSIZE 512 | |
| 74 | #define ISP1362_INTL_BLKSIZE 64 | |
| 75 | #define ISP1362_INTL_BUFFERS 16 | |
| 76 | #define ISP1362_ATL_BLKSIZE 64 | |
| 77 | ||
| 78 | #define ISP1362_REG_WRITE_OFFSET 0x80 | |
| 79 | ||
| a9d43091 LW |
80 | #define REG_WIDTH_16 0x000 |
| 81 | #define REG_WIDTH_32 0x100 | |
| 82 | #define REG_WIDTH_MASK 0x100 | |
| 83 | #define REG_NO_MASK 0x0ff | |
| 84 | ||
| 641c86cd GKH |
85 | #ifdef ISP1362_DEBUG |
| 86 | typedef const unsigned int isp1362_reg_t; | |
| 87 | ||
| a9d43091 LW |
88 | #define REG_ACCESS_R 0x200 |
| 89 | #define REG_ACCESS_W 0x400 | |
| 90 | #define REG_ACCESS_RW 0x600 | |
| 91 | #define REG_ACCESS_MASK 0x600 | |
| 92 | ||
| 93 | #define ISP1362_REG_NO(r) ((r) & REG_NO_MASK) | |
| 94 | ||
| a9d43091 LW |
95 | #define ISP1362_REG(name, addr, width, rw) \ |
| 96 | static isp1362_reg_t ISP1362_REG_##name = ((addr) | (width) | (rw)) | |
| 97 | ||
| 98 | #define REG_ACCESS_TEST(r) BUG_ON(((r) & ISP1362_REG_WRITE_OFFSET) && !((r) & REG_ACCESS_W)) | |
| 99 | #define REG_WIDTH_TEST(r, w) BUG_ON(((r) & REG_WIDTH_MASK) != (w)) | |
| 100 | #else | |
| 101 | typedef const unsigned char isp1362_reg_t; | |
| 102 | #define ISP1362_REG_NO(r) (r) | |
| a9d43091 LW |
103 | |
| 104 | #define ISP1362_REG(name, addr, width, rw) \ | |
| 105 | static isp1362_reg_t ISP1362_REG_##name = addr | |
| 106 | ||
| 107 | #define REG_ACCESS_TEST(r) do {} while (0) | |
| 108 | #define REG_WIDTH_TEST(r, w) do {} while (0) | |
| 109 | #endif | |
| 110 | ||
| 111 | /* OHCI compatible registers */ | |
| 112 | /* | |
| 113 | * Note: Some of the ISP1362 'OHCI' registers implement only | |
| 114 | * a subset of the bits defined in the OHCI spec. | |
| 115 | * | |
| 116 | * Bitmasks for the individual bits of these registers are defined in "ohci.h" | |
| 117 | */ | |
| 118 | ISP1362_REG(HCREVISION, 0x00, REG_WIDTH_32, REG_ACCESS_R); | |
| 119 | ISP1362_REG(HCCONTROL, 0x01, REG_WIDTH_32, REG_ACCESS_RW); | |
| 120 | ISP1362_REG(HCCMDSTAT, 0x02, REG_WIDTH_32, REG_ACCESS_RW); | |
| 121 | ISP1362_REG(HCINTSTAT, 0x03, REG_WIDTH_32, REG_ACCESS_RW); | |
| 122 | ISP1362_REG(HCINTENB, 0x04, REG_WIDTH_32, REG_ACCESS_RW); | |
| 123 | ISP1362_REG(HCINTDIS, 0x05, REG_WIDTH_32, REG_ACCESS_RW); | |
| 124 | ISP1362_REG(HCFMINTVL, 0x0d, REG_WIDTH_32, REG_ACCESS_RW); | |
| 125 | ISP1362_REG(HCFMREM, 0x0e, REG_WIDTH_32, REG_ACCESS_RW); | |
| 126 | ISP1362_REG(HCFMNUM, 0x0f, REG_WIDTH_32, REG_ACCESS_RW); | |
| 127 | ISP1362_REG(HCLSTHRESH, 0x11, REG_WIDTH_32, REG_ACCESS_RW); | |
| 128 | ISP1362_REG(HCRHDESCA, 0x12, REG_WIDTH_32, REG_ACCESS_RW); | |
| 129 | ISP1362_REG(HCRHDESCB, 0x13, REG_WIDTH_32, REG_ACCESS_RW); | |
| 130 | ISP1362_REG(HCRHSTATUS, 0x14, REG_WIDTH_32, REG_ACCESS_RW); | |
| 131 | ISP1362_REG(HCRHPORT1, 0x15, REG_WIDTH_32, REG_ACCESS_RW); | |
| 132 | ISP1362_REG(HCRHPORT2, 0x16, REG_WIDTH_32, REG_ACCESS_RW); | |
| 133 | ||
| 134 | /* Philips ISP1362 specific registers */ | |
| 135 | ISP1362_REG(HCHWCFG, 0x20, REG_WIDTH_16, REG_ACCESS_RW); | |
| 136 | #define HCHWCFG_DISABLE_SUSPEND (1 << 15) | |
| 137 | #define HCHWCFG_GLOBAL_PWRDOWN (1 << 14) | |
| 7949f4e1 KM |
138 | #define HCHWCFG_PULLDOWN_DS2 (1 << 13) |
| 139 | #define HCHWCFG_PULLDOWN_DS1 (1 << 12) | |
| a9d43091 LW |
140 | #define HCHWCFG_CLKNOTSTOP (1 << 11) |
| 141 | #define HCHWCFG_ANALOG_OC (1 << 10) | |
| 142 | #define HCHWCFG_ONEINT (1 << 9) | |
| 143 | #define HCHWCFG_DACK_MODE (1 << 8) | |
| 144 | #define HCHWCFG_ONEDMA (1 << 7) | |
| 145 | #define HCHWCFG_DACK_POL (1 << 6) | |
| 146 | #define HCHWCFG_DREQ_POL (1 << 5) | |
| 147 | #define HCHWCFG_DBWIDTH_MASK (0x03 << 3) | |
| 148 | #define HCHWCFG_DBWIDTH(n) (((n) << 3) & HCHWCFG_DBWIDTH_MASK) | |
| 149 | #define HCHWCFG_INT_POL (1 << 2) | |
| 150 | #define HCHWCFG_INT_TRIGGER (1 << 1) | |
| 151 | #define HCHWCFG_INT_ENABLE (1 << 0) | |
| 152 | ||
| 153 | ISP1362_REG(HCDMACFG, 0x21, REG_WIDTH_16, REG_ACCESS_RW); | |
| 154 | #define HCDMACFG_CTR_ENABLE (1 << 7) | |
| 155 | #define HCDMACFG_BURST_LEN_MASK (0x03 << 5) | |
| 156 | #define HCDMACFG_BURST_LEN(n) (((n) << 5) & HCDMACFG_BURST_LEN_MASK) | |
| 157 | #define HCDMACFG_BURST_LEN_1 HCDMACFG_BURST_LEN(0) | |
| 158 | #define HCDMACFG_BURST_LEN_4 HCDMACFG_BURST_LEN(1) | |
| 159 | #define HCDMACFG_BURST_LEN_8 HCDMACFG_BURST_LEN(2) | |
| 160 | #define HCDMACFG_DMA_ENABLE (1 << 4) | |
| 161 | #define HCDMACFG_BUF_TYPE_MASK (0x07 << 1) | |
| 162 | #define HCDMACFG_BUF_TYPE(n) (((n) << 1) & HCDMACFG_BUF_TYPE_MASK) | |
| 163 | #define HCDMACFG_BUF_ISTL0 HCDMACFG_BUF_TYPE(0) | |
| 164 | #define HCDMACFG_BUF_ISTL1 HCDMACFG_BUF_TYPE(1) | |
| 165 | #define HCDMACFG_BUF_INTL HCDMACFG_BUF_TYPE(2) | |
| 166 | #define HCDMACFG_BUF_ATL HCDMACFG_BUF_TYPE(3) | |
| 167 | #define HCDMACFG_BUF_DIRECT HCDMACFG_BUF_TYPE(4) | |
| 168 | #define HCDMACFG_DMA_RW_SELECT (1 << 0) | |
| 169 | ||
| 170 | ISP1362_REG(HCXFERCTR, 0x22, REG_WIDTH_16, REG_ACCESS_RW); | |
| 171 | ||
| 172 | ISP1362_REG(HCuPINT, 0x24, REG_WIDTH_16, REG_ACCESS_RW); | |
| 173 | #define HCuPINT_SOF (1 << 0) | |
| 174 | #define HCuPINT_ISTL0 (1 << 1) | |
| 175 | #define HCuPINT_ISTL1 (1 << 2) | |
| 176 | #define HCuPINT_EOT (1 << 3) | |
| 177 | #define HCuPINT_OPR (1 << 4) | |
| 178 | #define HCuPINT_SUSP (1 << 5) | |
| 179 | #define HCuPINT_CLKRDY (1 << 6) | |
| 180 | #define HCuPINT_INTL (1 << 7) | |
| 181 | #define HCuPINT_ATL (1 << 8) | |
| 182 | #define HCuPINT_OTG (1 << 9) | |
| 183 | ||
| 184 | ISP1362_REG(HCuPINTENB, 0x25, REG_WIDTH_16, REG_ACCESS_RW); | |
| 185 | /* same bit definitions apply as for HCuPINT */ | |
| 186 | ||
| 187 | ISP1362_REG(HCCHIPID, 0x27, REG_WIDTH_16, REG_ACCESS_R); | |
| 188 | #define HCCHIPID_MASK 0xff00 | |
| 189 | #define HCCHIPID_MAGIC 0x3600 | |
| 190 | ||
| 191 | ISP1362_REG(HCSCRATCH, 0x28, REG_WIDTH_16, REG_ACCESS_RW); | |
| 192 | ||
| 193 | ISP1362_REG(HCSWRES, 0x29, REG_WIDTH_16, REG_ACCESS_W); | |
| 194 | #define HCSWRES_MAGIC 0x00f6 | |
| 195 | ||
| 196 | ISP1362_REG(HCBUFSTAT, 0x2c, REG_WIDTH_16, REG_ACCESS_RW); | |
| 197 | #define HCBUFSTAT_ISTL0_FULL (1 << 0) | |
| 198 | #define HCBUFSTAT_ISTL1_FULL (1 << 1) | |
| 199 | #define HCBUFSTAT_INTL_ACTIVE (1 << 2) | |
| 200 | #define HCBUFSTAT_ATL_ACTIVE (1 << 3) | |
| 201 | #define HCBUFSTAT_RESET_HWPP (1 << 4) | |
| 202 | #define HCBUFSTAT_ISTL0_ACTIVE (1 << 5) | |
| 203 | #define HCBUFSTAT_ISTL1_ACTIVE (1 << 6) | |
| 204 | #define HCBUFSTAT_ISTL0_DONE (1 << 8) | |
| 205 | #define HCBUFSTAT_ISTL1_DONE (1 << 9) | |
| 206 | #define HCBUFSTAT_PAIRED_PTDPP (1 << 10) | |
| 207 | ||
| 208 | ISP1362_REG(HCDIRADDR, 0x32, REG_WIDTH_32, REG_ACCESS_RW); | |
| 209 | #define HCDIRADDR_ADDR_MASK 0x0000ffff | |
| 210 | #define HCDIRADDR_ADDR(n) (((n) << 0) & HCDIRADDR_ADDR_MASK) | |
| 211 | #define HCDIRADDR_COUNT_MASK 0xffff0000 | |
| 212 | #define HCDIRADDR_COUNT(n) (((n) << 16) & HCDIRADDR_COUNT_MASK) | |
| 213 | ISP1362_REG(HCDIRDATA, 0x45, REG_WIDTH_16, REG_ACCESS_RW); | |
| 214 | ||
| 215 | ISP1362_REG(HCISTLBUFSZ, 0x30, REG_WIDTH_16, REG_ACCESS_RW); | |
| 216 | ISP1362_REG(HCISTL0PORT, 0x40, REG_WIDTH_16, REG_ACCESS_RW); | |
| 217 | ISP1362_REG(HCISTL1PORT, 0x42, REG_WIDTH_16, REG_ACCESS_RW); | |
| 218 | ISP1362_REG(HCISTLRATE, 0x47, REG_WIDTH_16, REG_ACCESS_RW); | |
| 219 | ||
| 220 | ISP1362_REG(HCINTLBUFSZ, 0x33, REG_WIDTH_16, REG_ACCESS_RW); | |
| 221 | ISP1362_REG(HCINTLPORT, 0x43, REG_WIDTH_16, REG_ACCESS_RW); | |
| 222 | ISP1362_REG(HCINTLBLKSZ, 0x53, REG_WIDTH_16, REG_ACCESS_RW); | |
| 223 | ISP1362_REG(HCINTLDONE, 0x17, REG_WIDTH_32, REG_ACCESS_R); | |
| 224 | ISP1362_REG(HCINTLSKIP, 0x18, REG_WIDTH_32, REG_ACCESS_RW); | |
| 225 | ISP1362_REG(HCINTLLAST, 0x19, REG_WIDTH_32, REG_ACCESS_RW); | |
| 226 | ISP1362_REG(HCINTLCURR, 0x1a, REG_WIDTH_16, REG_ACCESS_R); | |
| 227 | ||
| 228 | ISP1362_REG(HCATLBUFSZ, 0x34, REG_WIDTH_16, REG_ACCESS_RW); | |
| 229 | ISP1362_REG(HCATLPORT, 0x44, REG_WIDTH_16, REG_ACCESS_RW); | |
| 230 | ISP1362_REG(HCATLBLKSZ, 0x54, REG_WIDTH_16, REG_ACCESS_RW); | |
| 231 | ISP1362_REG(HCATLDONE, 0x1b, REG_WIDTH_32, REG_ACCESS_R); | |
| 232 | ISP1362_REG(HCATLSKIP, 0x1c, REG_WIDTH_32, REG_ACCESS_RW); | |
| 233 | ISP1362_REG(HCATLLAST, 0x1d, REG_WIDTH_32, REG_ACCESS_RW); | |
| 234 | ISP1362_REG(HCATLCURR, 0x1e, REG_WIDTH_16, REG_ACCESS_R); | |
| 235 | ||
| 236 | ISP1362_REG(HCATLDTC, 0x51, REG_WIDTH_16, REG_ACCESS_RW); | |
| 237 | ISP1362_REG(HCATLDTCTO, 0x52, REG_WIDTH_16, REG_ACCESS_RW); | |
| 238 | ||
| 239 | ||
| 240 | ISP1362_REG(OTGCONTROL, 0x62, REG_WIDTH_16, REG_ACCESS_RW); | |
| 241 | ISP1362_REG(OTGSTATUS, 0x67, REG_WIDTH_16, REG_ACCESS_R); | |
| 242 | ISP1362_REG(OTGINT, 0x68, REG_WIDTH_16, REG_ACCESS_RW); | |
| 243 | ISP1362_REG(OTGINTENB, 0x69, REG_WIDTH_16, REG_ACCESS_RW); | |
| 244 | ISP1362_REG(OTGTIMER, 0x6A, REG_WIDTH_16, REG_ACCESS_RW); | |
| 245 | ISP1362_REG(OTGALTTMR, 0x6C, REG_WIDTH_16, REG_ACCESS_RW); | |
| 246 | ||
| 247 | /* Philips transfer descriptor, cpu-endian */ | |
| 248 | struct ptd { | |
| 249 | u16 count; | |
| 250 | #define PTD_COUNT_MSK (0x3ff << 0) | |
| 251 | #define PTD_TOGGLE_MSK (1 << 10) | |
| 252 | #define PTD_ACTIVE_MSK (1 << 11) | |
| 253 | #define PTD_CC_MSK (0xf << 12) | |
| 254 | u16 mps; | |
| 255 | #define PTD_MPS_MSK (0x3ff << 0) | |
| 256 | #define PTD_SPD_MSK (1 << 10) | |
| 257 | #define PTD_LAST_MSK (1 << 11) | |
| 258 | #define PTD_EP_MSK (0xf << 12) | |
| 259 | u16 len; | |
| 260 | #define PTD_LEN_MSK (0x3ff << 0) | |
| 261 | #define PTD_DIR_MSK (3 << 10) | |
| 262 | #define PTD_DIR_SETUP (0) | |
| 263 | #define PTD_DIR_OUT (1) | |
| 264 | #define PTD_DIR_IN (2) | |
| 265 | u16 faddr; | |
| 266 | #define PTD_FA_MSK (0x7f << 0) | |
| 267 | /* PTD Byte 7: [StartingFrame (if ISO PTD) | StartingFrame[0..4], PollingRate[0..2] (if INT PTD)] */ | |
| 268 | #define PTD_SF_ISO_MSK (0xff << 8) | |
| 269 | #define PTD_SF_INT_MSK (0x1f << 8) | |
| 270 | #define PTD_PR_MSK (0x07 << 13) | |
| 271 | } __attribute__ ((packed, aligned(2))); | |
| 272 | #define PTD_HEADER_SIZE sizeof(struct ptd) | |
| 273 | ||
| 274 | /* ------------------------------------------------------------------------- */ | |
| 275 | /* Copied from ohci.h: */ | |
| 276 | /* | |
| 277 | * Hardware transfer status codes -- CC from PTD | |
| 278 | */ | |
| 279 | #define PTD_CC_NOERROR 0x00 | |
| 280 | #define PTD_CC_CRC 0x01 | |
| 281 | #define PTD_CC_BITSTUFFING 0x02 | |
| 282 | #define PTD_CC_DATATOGGLEM 0x03 | |
| 283 | #define PTD_CC_STALL 0x04 | |
| 284 | #define PTD_DEVNOTRESP 0x05 | |
| 285 | #define PTD_PIDCHECKFAIL 0x06 | |
| 286 | #define PTD_UNEXPECTEDPID 0x07 | |
| 287 | #define PTD_DATAOVERRUN 0x08 | |
| 288 | #define PTD_DATAUNDERRUN 0x09 | |
| 289 | /* 0x0A, 0x0B reserved for hardware */ | |
| 290 | #define PTD_BUFFEROVERRUN 0x0C | |
| 291 | #define PTD_BUFFERUNDERRUN 0x0D | |
| 292 | /* 0x0E, 0x0F reserved for HCD */ | |
| 293 | #define PTD_NOTACCESSED 0x0F | |
| 294 | ||
| 295 | ||
| 296 | /* map OHCI TD status codes (CC) to errno values */ | |
| 297 | static const int cc_to_error[16] = { | |
| 298 | /* No Error */ 0, | |
| 299 | /* CRC Error */ -EILSEQ, | |
| 300 | /* Bit Stuff */ -EPROTO, | |
| 301 | /* Data Togg */ -EILSEQ, | |
| 302 | /* Stall */ -EPIPE, | |
| 303 | /* DevNotResp */ -ETIMEDOUT, | |
| 304 | /* PIDCheck */ -EPROTO, | |
| 305 | /* UnExpPID */ -EPROTO, | |
| 306 | /* DataOver */ -EOVERFLOW, | |
| 307 | /* DataUnder */ -EREMOTEIO, | |
| 308 | /* (for hw) */ -EIO, | |
| 309 | /* (for hw) */ -EIO, | |
| 310 | /* BufferOver */ -ECOMM, | |
| 311 | /* BuffUnder */ -ENOSR, | |
| 312 | /* (for HCD) */ -EALREADY, | |
| 313 | /* (for HCD) */ -EALREADY | |
| 314 | }; | |
| 315 | ||
| 316 | ||
| 317 | /* | |
| 318 | * HcControl (control) register masks | |
| 319 | */ | |
| 320 | #define OHCI_CTRL_HCFS (3 << 6) /* host controller functional state */ | |
| 321 | #define OHCI_CTRL_RWC (1 << 9) /* remote wakeup connected */ | |
| 322 | #define OHCI_CTRL_RWE (1 << 10) /* remote wakeup enable */ | |
| 323 | ||
| 324 | /* pre-shifted values for HCFS */ | |
| 325 | # define OHCI_USB_RESET (0 << 6) | |
| 326 | # define OHCI_USB_RESUME (1 << 6) | |
| 327 | # define OHCI_USB_OPER (2 << 6) | |
| 328 | # define OHCI_USB_SUSPEND (3 << 6) | |
| 329 | ||
| 330 | /* | |
| 331 | * HcCommandStatus (cmdstatus) register masks | |
| 332 | */ | |
| 333 | #define OHCI_HCR (1 << 0) /* host controller reset */ | |
| 334 | #define OHCI_SOC (3 << 16) /* scheduling overrun count */ | |
| 335 | ||
| 336 | /* | |
| 337 | * masks used with interrupt registers: | |
| 338 | * HcInterruptStatus (intrstatus) | |
| 339 | * HcInterruptEnable (intrenable) | |
| 340 | * HcInterruptDisable (intrdisable) | |
| 341 | */ | |
| 342 | #define OHCI_INTR_SO (1 << 0) /* scheduling overrun */ | |
| 343 | #define OHCI_INTR_WDH (1 << 1) /* writeback of done_head */ | |
| 344 | #define OHCI_INTR_SF (1 << 2) /* start frame */ | |
| 345 | #define OHCI_INTR_RD (1 << 3) /* resume detect */ | |
| 346 | #define OHCI_INTR_UE (1 << 4) /* unrecoverable error */ | |
| 347 | #define OHCI_INTR_FNO (1 << 5) /* frame number overflow */ | |
| 348 | #define OHCI_INTR_RHSC (1 << 6) /* root hub status change */ | |
| 349 | #define OHCI_INTR_OC (1 << 30) /* ownership change */ | |
| 350 | #define OHCI_INTR_MIE (1 << 31) /* master interrupt enable */ | |
| 351 | ||
| 352 | /* roothub.portstatus [i] bits */ | |
| 353 | #define RH_PS_CCS 0x00000001 /* current connect status */ | |
| 354 | #define RH_PS_PES 0x00000002 /* port enable status*/ | |
| 355 | #define RH_PS_PSS 0x00000004 /* port suspend status */ | |
| 356 | #define RH_PS_POCI 0x00000008 /* port over current indicator */ | |
| 357 | #define RH_PS_PRS 0x00000010 /* port reset status */ | |
| 358 | #define RH_PS_PPS 0x00000100 /* port power status */ | |
| 359 | #define RH_PS_LSDA 0x00000200 /* low speed device attached */ | |
| 360 | #define RH_PS_CSC 0x00010000 /* connect status change */ | |
| 361 | #define RH_PS_PESC 0x00020000 /* port enable status change */ | |
| 362 | #define RH_PS_PSSC 0x00040000 /* port suspend status change */ | |
| 363 | #define RH_PS_OCIC 0x00080000 /* over current indicator change */ | |
| 364 | #define RH_PS_PRSC 0x00100000 /* port reset status change */ | |
| 365 | ||
| 366 | /* roothub.status bits */ | |
| 367 | #define RH_HS_LPS 0x00000001 /* local power status */ | |
| 368 | #define RH_HS_OCI 0x00000002 /* over current indicator */ | |
| 369 | #define RH_HS_DRWE 0x00008000 /* device remote wakeup enable */ | |
| 370 | #define RH_HS_LPSC 0x00010000 /* local power status change */ | |
| 371 | #define RH_HS_OCIC 0x00020000 /* over current indicator change */ | |
| 372 | #define RH_HS_CRWE 0x80000000 /* clear remote wakeup enable */ | |
| 373 | ||
| 374 | /* roothub.b masks */ | |
| 375 | #define RH_B_DR 0x0000ffff /* device removable flags */ | |
| 376 | #define RH_B_PPCM 0xffff0000 /* port power control mask */ | |
| 377 | ||
| 378 | /* roothub.a masks */ | |
| 379 | #define RH_A_NDP (0xff << 0) /* number of downstream ports */ | |
| 380 | #define RH_A_PSM (1 << 8) /* power switching mode */ | |
| 381 | #define RH_A_NPS (1 << 9) /* no power switching */ | |
| 382 | #define RH_A_DT (1 << 10) /* device type (mbz) */ | |
| 383 | #define RH_A_OCPM (1 << 11) /* over current protection mode */ | |
| 384 | #define RH_A_NOCP (1 << 12) /* no over current protection */ | |
| 385 | #define RH_A_POTPGT (0xff << 24) /* power on to power good time */ | |
| 386 | ||
| 387 | #define FI 0x2edf /* 12000 bits per frame (-1) */ | |
| 388 | #define FSMP(fi) (0x7fff & ((6 * ((fi) - 210)) / 7)) | |
| 389 | #define LSTHRESH 0x628 /* lowspeed bit threshold */ | |
| 390 | ||
| 391 | /* ------------------------------------------------------------------------- */ | |
| 392 | ||
| 393 | /* PTD accessor macros. */ | |
| 394 | #define PTD_GET_COUNT(p) (((p)->count & PTD_COUNT_MSK) >> 0) | |
| 395 | #define PTD_COUNT(v) (((v) << 0) & PTD_COUNT_MSK) | |
| 396 | #define PTD_GET_TOGGLE(p) (((p)->count & PTD_TOGGLE_MSK) >> 10) | |
| 397 | #define PTD_TOGGLE(v) (((v) << 10) & PTD_TOGGLE_MSK) | |
| 398 | #define PTD_GET_ACTIVE(p) (((p)->count & PTD_ACTIVE_MSK) >> 11) | |
| 399 | #define PTD_ACTIVE(v) (((v) << 11) & PTD_ACTIVE_MSK) | |
| 400 | #define PTD_GET_CC(p) (((p)->count & PTD_CC_MSK) >> 12) | |
| 401 | #define PTD_CC(v) (((v) << 12) & PTD_CC_MSK) | |
| 402 | #define PTD_GET_MPS(p) (((p)->mps & PTD_MPS_MSK) >> 0) | |
| 403 | #define PTD_MPS(v) (((v) << 0) & PTD_MPS_MSK) | |
| 404 | #define PTD_GET_SPD(p) (((p)->mps & PTD_SPD_MSK) >> 10) | |
| 405 | #define PTD_SPD(v) (((v) << 10) & PTD_SPD_MSK) | |
| 406 | #define PTD_GET_LAST(p) (((p)->mps & PTD_LAST_MSK) >> 11) | |
| 407 | #define PTD_LAST(v) (((v) << 11) & PTD_LAST_MSK) | |
| 408 | #define PTD_GET_EP(p) (((p)->mps & PTD_EP_MSK) >> 12) | |
| 409 | #define PTD_EP(v) (((v) << 12) & PTD_EP_MSK) | |
| 410 | #define PTD_GET_LEN(p) (((p)->len & PTD_LEN_MSK) >> 0) | |
| 411 | #define PTD_LEN(v) (((v) << 0) & PTD_LEN_MSK) | |
| 412 | #define PTD_GET_DIR(p) (((p)->len & PTD_DIR_MSK) >> 10) | |
| 413 | #define PTD_DIR(v) (((v) << 10) & PTD_DIR_MSK) | |
| 414 | #define PTD_GET_FA(p) (((p)->faddr & PTD_FA_MSK) >> 0) | |
| 415 | #define PTD_FA(v) (((v) << 0) & PTD_FA_MSK) | |
| 416 | #define PTD_GET_SF_INT(p) (((p)->faddr & PTD_SF_INT_MSK) >> 8) | |
| 417 | #define PTD_SF_INT(v) (((v) << 8) & PTD_SF_INT_MSK) | |
| 418 | #define PTD_GET_SF_ISO(p) (((p)->faddr & PTD_SF_ISO_MSK) >> 8) | |
| 419 | #define PTD_SF_ISO(v) (((v) << 8) & PTD_SF_ISO_MSK) | |
| 420 | #define PTD_GET_PR(p) (((p)->faddr & PTD_PR_MSK) >> 13) | |
| 421 | #define PTD_PR(v) (((v) << 13) & PTD_PR_MSK) | |
| 422 | ||
| 423 | #define LOG2_PERIODIC_SIZE 5 /* arbitrary; this matches OHCI */ | |
| 424 | #define PERIODIC_SIZE (1 << LOG2_PERIODIC_SIZE) | |
| 425 | ||
| 426 | struct isp1362_ep { | |
| 427 | struct usb_host_endpoint *hep; | |
| 428 | struct usb_device *udev; | |
| 429 | ||
| 430 | /* philips transfer descriptor */ | |
| 431 | struct ptd ptd; | |
| 432 | ||
| 433 | u8 maxpacket; | |
| 434 | u8 epnum; | |
| 435 | u8 nextpid; | |
| 436 | u16 error_count; | |
| 437 | u16 length; /* of current packet */ | |
| 438 | s16 ptd_offset; /* buffer offset in ISP1362 where | |
| 439 | PTD has been stored | |
| 440 | (for access thru HCDIRDATA) */ | |
| 441 | int ptd_index; | |
| 442 | int num_ptds; | |
| 443 | void *data; /* to databuf */ | |
| 444 | /* queue of active EPs (the ones transmitted to the chip) */ | |
| 445 | struct list_head active; | |
| 446 | ||
| 447 | /* periodic schedule */ | |
| 448 | u8 branch; | |
| 449 | u16 interval; | |
| 450 | u16 load; | |
| 451 | u16 last_iso; | |
| 452 | ||
| 453 | /* async schedule */ | |
| 454 | struct list_head schedule; /* list of all EPs that need processing */ | |
| 455 | struct list_head remove_list; | |
| 456 | int num_req; | |
| 457 | }; | |
| 458 | ||
| 459 | struct isp1362_ep_queue { | |
| 460 | struct list_head active; /* list of PTDs currently processed by HC */ | |
| 461 | atomic_t finishing; | |
| 462 | unsigned long buf_map; | |
| 463 | unsigned long skip_map; | |
| 464 | int free_ptd; | |
| 465 | u16 buf_start; | |
| 466 | u16 buf_size; | |
| 467 | u16 blk_size; /* PTD buffer block size for ATL and INTL */ | |
| 468 | u8 buf_count; | |
| 469 | u8 buf_avail; | |
| 470 | char name[16]; | |
| 471 | ||
| 472 | /* for statistical tracking */ | |
| 473 | u8 stat_maxptds; /* Max # of ptds seen simultaneously in fifo */ | |
| 474 | u8 ptd_count; /* number of ptds submitted to this queue */ | |
| 475 | }; | |
| 476 | ||
| 477 | struct isp1362_hcd { | |
| 478 | spinlock_t lock; | |
| 479 | void __iomem *addr_reg; | |
| 480 | void __iomem *data_reg; | |
| 481 | ||
| 482 | struct isp1362_platform_data *board; | |
| 483 | ||
| a6363463 | 484 | struct dentry *debug_file; |
| a9d43091 LW |
485 | unsigned long stat1, stat2, stat4, stat8, stat16; |
| 486 | ||
| 487 | /* HC registers */ | |
| 488 | u32 intenb; /* "OHCI" interrupts */ | |
| 489 | u16 irqenb; /* uP interrupts */ | |
| 490 | ||
| 491 | /* Root hub registers */ | |
| 492 | u32 rhdesca; | |
| 493 | u32 rhdescb; | |
| 494 | u32 rhstatus; | |
| 495 | u32 rhport[MAX_ROOT_PORTS]; | |
| 496 | unsigned long next_statechange; | |
| 497 | ||
| 498 | /* HC control reg shadow copy */ | |
| 499 | u32 hc_control; | |
| 500 | ||
| 501 | /* async schedule: control, bulk */ | |
| 502 | struct list_head async; | |
| 503 | ||
| 504 | /* periodic schedule: int */ | |
| 505 | u16 load[PERIODIC_SIZE]; | |
| 506 | struct list_head periodic; | |
| 507 | u16 fmindex; | |
| 508 | ||
| 509 | /* periodic schedule: isochronous */ | |
| 510 | struct list_head isoc; | |
| 22a627ba RK |
511 | unsigned int istl_flip:1; |
| 512 | unsigned int irq_active:1; | |
| a9d43091 LW |
513 | |
| 514 | /* Schedules for the current frame */ | |
| 515 | struct isp1362_ep_queue atl_queue; | |
| 516 | struct isp1362_ep_queue intl_queue; | |
| 517 | struct isp1362_ep_queue istl_queue[2]; | |
| 518 | ||
| 519 | /* list of PTDs retrieved from HC */ | |
| 520 | struct list_head remove_list; | |
| 521 | enum { | |
| 522 | ISP1362_INT_SOF, | |
| 523 | ISP1362_INT_ISTL0, | |
| 524 | ISP1362_INT_ISTL1, | |
| 525 | ISP1362_INT_EOT, | |
| 526 | ISP1362_INT_OPR, | |
| 527 | ISP1362_INT_SUSP, | |
| 528 | ISP1362_INT_CLKRDY, | |
| 529 | ISP1362_INT_INTL, | |
| 530 | ISP1362_INT_ATL, | |
| 531 | ISP1362_INT_OTG, | |
| 532 | NUM_ISP1362_IRQS | |
| 533 | } IRQ_NAMES; | |
| 534 | unsigned int irq_stat[NUM_ISP1362_IRQS]; | |
| 535 | int req_serial; | |
| 536 | }; | |
| 537 | ||
| 538 | static inline const char *ISP1362_INT_NAME(int n) | |
| 539 | { | |
| 540 | switch (n) { | |
| 541 | case ISP1362_INT_SOF: return "SOF"; | |
| 542 | case ISP1362_INT_ISTL0: return "ISTL0"; | |
| 543 | case ISP1362_INT_ISTL1: return "ISTL1"; | |
| 544 | case ISP1362_INT_EOT: return "EOT"; | |
| 545 | case ISP1362_INT_OPR: return "OPR"; | |
| 546 | case ISP1362_INT_SUSP: return "SUSP"; | |
| 547 | case ISP1362_INT_CLKRDY: return "CLKRDY"; | |
| 548 | case ISP1362_INT_INTL: return "INTL"; | |
| 549 | case ISP1362_INT_ATL: return "ATL"; | |
| 550 | case ISP1362_INT_OTG: return "OTG"; | |
| 551 | default: return "unknown"; | |
| 552 | } | |
| 553 | } | |
| 554 | ||
| 555 | static inline void ALIGNSTAT(struct isp1362_hcd *isp1362_hcd, void *ptr) | |
| 556 | { | |
| b0a9cf29 | 557 | unsigned long p = (unsigned long)ptr; |
| a9d43091 LW |
558 | if (!(p & 0xf)) |
| 559 | isp1362_hcd->stat16++; | |
| 560 | else if (!(p & 0x7)) | |
| 561 | isp1362_hcd->stat8++; | |
| 562 | else if (!(p & 0x3)) | |
| 563 | isp1362_hcd->stat4++; | |
| 564 | else if (!(p & 0x1)) | |
| 565 | isp1362_hcd->stat2++; | |
| 566 | else | |
| 567 | isp1362_hcd->stat1++; | |
| 568 | } | |
| 569 | ||
| 570 | static inline struct isp1362_hcd *hcd_to_isp1362_hcd(struct usb_hcd *hcd) | |
| 571 | { | |
| 572 | return (struct isp1362_hcd *) (hcd->hcd_priv); | |
| 573 | } | |
| 574 | ||
| 575 | static inline struct usb_hcd *isp1362_hcd_to_hcd(struct isp1362_hcd *isp1362_hcd) | |
| 576 | { | |
| 577 | return container_of((void *)isp1362_hcd, struct usb_hcd, hcd_priv); | |
| 578 | } | |
| 579 | ||
| 580 | #define frame_before(f1, f2) ((s16)((u16)f1 - (u16)f2) < 0) | |
| 581 | ||
| 582 | /* | |
| 583 | * ISP1362 HW Interface | |
| 584 | */ | |
| 585 | ||
| a9d43091 LW |
586 | #define DBG(level, fmt...) \ |
| 587 | do { \ | |
| 588 | if (dbg_level > level) \ | |
| 589 | pr_debug(fmt); \ | |
| 590 | } while (0) | |
| a9d43091 LW |
591 | |
| 592 | #ifdef VERBOSE | |
| 593 | # define VDBG(fmt...) DBG(3, fmt) | |
| 594 | #else | |
| 595 | # define VDBG(fmt...) do {} while (0) | |
| 596 | #endif | |
| 597 | ||
| 598 | #ifdef REGISTERS | |
| 599 | # define RDBG(fmt...) DBG(1, fmt) | |
| 600 | #else | |
| 601 | # define RDBG(fmt...) do {} while (0) | |
| 602 | #endif | |
| 603 | ||
| 604 | #ifdef URB_TRACE | |
| 605 | #define URB_DBG(fmt...) DBG(0, fmt) | |
| 606 | #else | |
| 607 | #define URB_DBG(fmt...) do {} while (0) | |
| 608 | #endif | |
| 609 | ||
| 610 | ||
| 611 | #if USE_PLATFORM_DELAY | |
| 612 | #if USE_NDELAY | |
| 613 | #error USE_PLATFORM_DELAY and USE_NDELAY defined simultaneously. | |
| 614 | #endif | |
| 615 | #define isp1362_delay(h, d) (h)->board->delay(isp1362_hcd_to_hcd(h)->self.controller, d) | |
| 616 | #elif USE_NDELAY | |
| 617 | #define isp1362_delay(h, d) ndelay(d) | |
| 618 | #else | |
| 619 | #define isp1362_delay(h, d) do {} while (0) | |
| 620 | #endif | |
| 621 | ||
| 622 | #define get_urb(ep) ({ \ | |
| 623 | BUG_ON(list_empty(&ep->hep->urb_list)); \ | |
| 624 | container_of(ep->hep->urb_list.next, struct urb, urb_list); \ | |
| 625 | }) | |
| 626 | ||
| 627 | /* basic access functions for ISP1362 chip registers */ | |
| 628 | /* NOTE: The contents of the address pointer register cannot be read back! The driver must ensure, | |
| 629 | * that all register accesses are performed with interrupts disabled, since the interrupt | |
| 630 | * handler has no way of restoring the previous state. | |
| 631 | */ | |
| 632 | static void isp1362_write_addr(struct isp1362_hcd *isp1362_hcd, isp1362_reg_t reg) | |
| 633 | { | |
| a9d43091 | 634 | REG_ACCESS_TEST(reg); |
| a9d43091 LW |
635 | DUMMY_DELAY_ACCESS; |
| 636 | writew(ISP1362_REG_NO(reg), isp1362_hcd->addr_reg); | |
| 637 | DUMMY_DELAY_ACCESS; | |
| 638 | isp1362_delay(isp1362_hcd, 1); | |
| 639 | } | |
| 640 | ||
| 641 | static void isp1362_write_data16(struct isp1362_hcd *isp1362_hcd, u16 val) | |
| 642 | { | |
| a9d43091 LW |
643 | DUMMY_DELAY_ACCESS; |
| 644 | writew(val, isp1362_hcd->data_reg); | |
| 645 | } | |
| 646 | ||
| 647 | static u16 isp1362_read_data16(struct isp1362_hcd *isp1362_hcd) | |
| 648 | { | |
| 649 | u16 val; | |
| 650 | ||
| a9d43091 LW |
651 | DUMMY_DELAY_ACCESS; |
| 652 | val = readw(isp1362_hcd->data_reg); | |
| 653 | ||
| 654 | return val; | |
| 655 | } | |
| 656 | ||
| 657 | static void isp1362_write_data32(struct isp1362_hcd *isp1362_hcd, u32 val) | |
| 658 | { | |
| a9d43091 LW |
659 | #if USE_32BIT |
| 660 | DUMMY_DELAY_ACCESS; | |
| 661 | writel(val, isp1362_hcd->data_reg); | |
| 662 | #else | |
| 663 | DUMMY_DELAY_ACCESS; | |
| 664 | writew((u16)val, isp1362_hcd->data_reg); | |
| 665 | DUMMY_DELAY_ACCESS; | |
| 666 | writew(val >> 16, isp1362_hcd->data_reg); | |
| 667 | #endif | |
| 668 | } | |
| 669 | ||
| 670 | static u32 isp1362_read_data32(struct isp1362_hcd *isp1362_hcd) | |
| 671 | { | |
| 672 | u32 val; | |
| 673 | ||
| a9d43091 LW |
674 | #if USE_32BIT |
| 675 | DUMMY_DELAY_ACCESS; | |
| 676 | val = readl(isp1362_hcd->data_reg); | |
| 677 | #else | |
| 678 | DUMMY_DELAY_ACCESS; | |
| 679 | val = (u32)readw(isp1362_hcd->data_reg); | |
| 680 | DUMMY_DELAY_ACCESS; | |
| 681 | val |= (u32)readw(isp1362_hcd->data_reg) << 16; | |
| 682 | #endif | |
| 683 | return val; | |
| 684 | } | |
| 685 | ||
| 686 | /* use readsw/writesw to access the fifo whenever possible */ | |
| 687 | /* assume HCDIRDATA or XFERCTR & addr_reg have been set up */ | |
| 688 | static void isp1362_read_fifo(struct isp1362_hcd *isp1362_hcd, void *buf, u16 len) | |
| 689 | { | |
| 690 | u8 *dp = buf; | |
| 691 | u16 data; | |
| 692 | ||
| 693 | if (!len) | |
| 694 | return; | |
| 695 | ||
| a9d43091 LW |
696 | RDBG("%s: Reading %d byte from fifo to mem @ %p\n", __func__, len, buf); |
| 697 | #if USE_32BIT | |
| 698 | if (len >= 4) { | |
| 699 | RDBG("%s: Using readsl for %d dwords\n", __func__, len >> 2); | |
| 700 | readsl(isp1362_hcd->data_reg, dp, len >> 2); | |
| 701 | dp += len & ~3; | |
| 702 | len &= 3; | |
| 703 | } | |
| 704 | #endif | |
| 705 | if (len >= 2) { | |
| 706 | RDBG("%s: Using readsw for %d words\n", __func__, len >> 1); | |
| 707 | insw((unsigned long)isp1362_hcd->data_reg, dp, len >> 1); | |
| 708 | dp += len & ~1; | |
| 709 | len &= 1; | |
| 710 | } | |
| 711 | ||
| 712 | BUG_ON(len & ~1); | |
| 713 | if (len > 0) { | |
| 714 | data = isp1362_read_data16(isp1362_hcd); | |
| 715 | RDBG("%s: Reading trailing byte %02x to mem @ %08x\n", __func__, | |
| 716 | (u8)data, (u32)dp); | |
| 717 | *dp = (u8)data; | |
| 718 | } | |
| 719 | } | |
| 720 | ||
| 721 | static void isp1362_write_fifo(struct isp1362_hcd *isp1362_hcd, void *buf, u16 len) | |
| 722 | { | |
| 723 | u8 *dp = buf; | |
| 724 | u16 data; | |
| 725 | ||
| 726 | if (!len) | |
| 727 | return; | |
| 728 | ||
| b0a9cf29 | 729 | if ((unsigned long)dp & 0x1) { |
| a9d43091 LW |
730 | /* not aligned */ |
| 731 | for (; len > 1; len -= 2) { | |
| 732 | data = *dp++; | |
| 733 | data |= *dp++ << 8; | |
| 734 | isp1362_write_data16(isp1362_hcd, data); | |
| 735 | } | |
| 736 | if (len) | |
| 737 | isp1362_write_data16(isp1362_hcd, *dp); | |
| 738 | return; | |
| 739 | } | |
| 740 | ||
| a9d43091 LW |
741 | RDBG("%s: Writing %d byte to fifo from memory @%p\n", __func__, len, buf); |
| 742 | #if USE_32BIT | |
| 743 | if (len >= 4) { | |
| 744 | RDBG("%s: Using writesl for %d dwords\n", __func__, len >> 2); | |
| 745 | writesl(isp1362_hcd->data_reg, dp, len >> 2); | |
| 746 | dp += len & ~3; | |
| 747 | len &= 3; | |
| 748 | } | |
| 749 | #endif | |
| 750 | if (len >= 2) { | |
| 751 | RDBG("%s: Using writesw for %d words\n", __func__, len >> 1); | |
| 752 | outsw((unsigned long)isp1362_hcd->data_reg, dp, len >> 1); | |
| 753 | dp += len & ~1; | |
| 754 | len &= 1; | |
| 755 | } | |
| 756 | ||
| 757 | BUG_ON(len & ~1); | |
| 758 | if (len > 0) { | |
| 759 | /* finally write any trailing byte; we don't need to care | |
| 760 | * about the high byte of the last word written | |
| 761 | */ | |
| 762 | data = (u16)*dp; | |
| 763 | RDBG("%s: Sending trailing byte %02x from mem @ %08x\n", __func__, | |
| 764 | data, (u32)dp); | |
| 765 | isp1362_write_data16(isp1362_hcd, data); | |
| 766 | } | |
| 767 | } | |
| 768 | ||
| 769 | #define isp1362_read_reg16(d, r) ({ \ | |
| 770 | u16 __v; \ | |
| 771 | REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_16); \ | |
| 772 | isp1362_write_addr(d, ISP1362_REG_##r); \ | |
| 773 | __v = isp1362_read_data16(d); \ | |
| 774 | RDBG("%s: Read %04x from %s[%02x]\n", __func__, __v, #r, \ | |
| 775 | ISP1362_REG_NO(ISP1362_REG_##r)); \ | |
| 776 | __v; \ | |
| 777 | }) | |
| 778 | ||
| 779 | #define isp1362_read_reg32(d, r) ({ \ | |
| 780 | u32 __v; \ | |
| 781 | REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_32); \ | |
| 782 | isp1362_write_addr(d, ISP1362_REG_##r); \ | |
| 783 | __v = isp1362_read_data32(d); \ | |
| 784 | RDBG("%s: Read %08x from %s[%02x]\n", __func__, __v, #r, \ | |
| 785 | ISP1362_REG_NO(ISP1362_REG_##r)); \ | |
| 786 | __v; \ | |
| 787 | }) | |
| 788 | ||
| 789 | #define isp1362_write_reg16(d, r, v) { \ | |
| 790 | REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_16); \ | |
| 791 | isp1362_write_addr(d, (ISP1362_REG_##r) | ISP1362_REG_WRITE_OFFSET); \ | |
| 792 | isp1362_write_data16(d, (u16)(v)); \ | |
| 793 | RDBG("%s: Wrote %04x to %s[%02x]\n", __func__, (u16)(v), #r, \ | |
| 794 | ISP1362_REG_NO(ISP1362_REG_##r)); \ | |
| 795 | } | |
| 796 | ||
| 797 | #define isp1362_write_reg32(d, r, v) { \ | |
| 798 | REG_WIDTH_TEST(ISP1362_REG_##r, REG_WIDTH_32); \ | |
| 799 | isp1362_write_addr(d, (ISP1362_REG_##r) | ISP1362_REG_WRITE_OFFSET); \ | |
| 800 | isp1362_write_data32(d, (u32)(v)); \ | |
| 801 | RDBG("%s: Wrote %08x to %s[%02x]\n", __func__, (u32)(v), #r, \ | |
| 802 | ISP1362_REG_NO(ISP1362_REG_##r)); \ | |
| 803 | } | |
| 804 | ||
| 805 | #define isp1362_set_mask16(d, r, m) { \ | |
| 806 | u16 __v; \ | |
| 807 | __v = isp1362_read_reg16(d, r); \ | |
| 808 | if ((__v | m) != __v) \ | |
| 809 | isp1362_write_reg16(d, r, __v | m); \ | |
| 810 | } | |
| 811 | ||
| 812 | #define isp1362_clr_mask16(d, r, m) { \ | |
| 813 | u16 __v; \ | |
| 814 | __v = isp1362_read_reg16(d, r); \ | |
| 815 | if ((__v & ~m) != __v) \ | |
| 816 | isp1362_write_reg16(d, r, __v & ~m); \ | |
| 817 | } | |
| 818 | ||
| 819 | #define isp1362_set_mask32(d, r, m) { \ | |
| 820 | u32 __v; \ | |
| 821 | __v = isp1362_read_reg32(d, r); \ | |
| 822 | if ((__v | m) != __v) \ | |
| 823 | isp1362_write_reg32(d, r, __v | m); \ | |
| 824 | } | |
| 825 | ||
| 826 | #define isp1362_clr_mask32(d, r, m) { \ | |
| 827 | u32 __v; \ | |
| 828 | __v = isp1362_read_reg32(d, r); \ | |
| 829 | if ((__v & ~m) != __v) \ | |
| 830 | isp1362_write_reg32(d, r, __v & ~m); \ | |
| 831 | } | |
| 832 | ||
| a9d43091 LW |
833 | #define isp1362_show_reg(d, r) { \ |
| 834 | if ((ISP1362_REG_##r & REG_WIDTH_MASK) == REG_WIDTH_32) \ | |
| 835 | DBG(0, "%-12s[%02x]: %08x\n", #r, \ | |
| 836 | ISP1362_REG_NO(ISP1362_REG_##r), isp1362_read_reg32(d, r)); \ | |
| 837 | else \ | |
| 838 | DBG(0, "%-12s[%02x]: %04x\n", #r, \ | |
| 839 | ISP1362_REG_NO(ISP1362_REG_##r), isp1362_read_reg16(d, r)); \ | |
| 840 | } | |
| a9d43091 LW |
841 | |
| 842 | static void __attribute__((__unused__)) isp1362_show_regs(struct isp1362_hcd *isp1362_hcd) | |
| 843 | { | |
| 844 | isp1362_show_reg(isp1362_hcd, HCREVISION); | |
| 845 | isp1362_show_reg(isp1362_hcd, HCCONTROL); | |
| 846 | isp1362_show_reg(isp1362_hcd, HCCMDSTAT); | |
| 847 | isp1362_show_reg(isp1362_hcd, HCINTSTAT); | |
| 848 | isp1362_show_reg(isp1362_hcd, HCINTENB); | |
| 849 | isp1362_show_reg(isp1362_hcd, HCFMINTVL); | |
| 850 | isp1362_show_reg(isp1362_hcd, HCFMREM); | |
| 851 | isp1362_show_reg(isp1362_hcd, HCFMNUM); | |
| 852 | isp1362_show_reg(isp1362_hcd, HCLSTHRESH); | |
| 853 | isp1362_show_reg(isp1362_hcd, HCRHDESCA); | |
| 854 | isp1362_show_reg(isp1362_hcd, HCRHDESCB); | |
| 855 | isp1362_show_reg(isp1362_hcd, HCRHSTATUS); | |
| 856 | isp1362_show_reg(isp1362_hcd, HCRHPORT1); | |
| 857 | isp1362_show_reg(isp1362_hcd, HCRHPORT2); | |
| 858 | ||
| 859 | isp1362_show_reg(isp1362_hcd, HCHWCFG); | |
| 860 | isp1362_show_reg(isp1362_hcd, HCDMACFG); | |
| 861 | isp1362_show_reg(isp1362_hcd, HCXFERCTR); | |
| 862 | isp1362_show_reg(isp1362_hcd, HCuPINT); | |
| 863 | ||
| 864 | if (in_interrupt()) | |
| 865 | DBG(0, "%-12s[%02x]: %04x\n", "HCuPINTENB", | |
| 866 | ISP1362_REG_NO(ISP1362_REG_HCuPINTENB), isp1362_hcd->irqenb); | |
| 867 | else | |
| 868 | isp1362_show_reg(isp1362_hcd, HCuPINTENB); | |
| 869 | isp1362_show_reg(isp1362_hcd, HCCHIPID); | |
| 870 | isp1362_show_reg(isp1362_hcd, HCSCRATCH); | |
| 871 | isp1362_show_reg(isp1362_hcd, HCBUFSTAT); | |
| 872 | isp1362_show_reg(isp1362_hcd, HCDIRADDR); | |
| 873 | /* Access would advance fifo | |
| 874 | * isp1362_show_reg(isp1362_hcd, HCDIRDATA); | |
| 875 | */ | |
| 876 | isp1362_show_reg(isp1362_hcd, HCISTLBUFSZ); | |
| 877 | isp1362_show_reg(isp1362_hcd, HCISTLRATE); | |
| 878 | isp1362_show_reg(isp1362_hcd, HCINTLBUFSZ); | |
| 879 | isp1362_show_reg(isp1362_hcd, HCINTLBLKSZ); | |
| 880 | isp1362_show_reg(isp1362_hcd, HCINTLDONE); | |
| 881 | isp1362_show_reg(isp1362_hcd, HCINTLSKIP); | |
| 882 | isp1362_show_reg(isp1362_hcd, HCINTLLAST); | |
| 883 | isp1362_show_reg(isp1362_hcd, HCINTLCURR); | |
| 884 | isp1362_show_reg(isp1362_hcd, HCATLBUFSZ); | |
| 885 | isp1362_show_reg(isp1362_hcd, HCATLBLKSZ); | |
| 886 | /* only valid after ATL_DONE interrupt | |
| 887 | * isp1362_show_reg(isp1362_hcd, HCATLDONE); | |
| 888 | */ | |
| 889 | isp1362_show_reg(isp1362_hcd, HCATLSKIP); | |
| 890 | isp1362_show_reg(isp1362_hcd, HCATLLAST); | |
| 891 | isp1362_show_reg(isp1362_hcd, HCATLCURR); | |
| 892 | isp1362_show_reg(isp1362_hcd, HCATLDTC); | |
| 893 | isp1362_show_reg(isp1362_hcd, HCATLDTCTO); | |
| 894 | } | |
| 895 | ||
| 896 | static void isp1362_write_diraddr(struct isp1362_hcd *isp1362_hcd, u16 offset, u16 len) | |
| 897 | { | |
| a9d43091 LW |
898 | len = (len + 1) & ~1; |
| 899 | ||
| 900 | isp1362_clr_mask16(isp1362_hcd, HCDMACFG, HCDMACFG_CTR_ENABLE); | |
| 901 | isp1362_write_reg32(isp1362_hcd, HCDIRADDR, | |
| 902 | HCDIRADDR_ADDR(offset) | HCDIRADDR_COUNT(len)); | |
| 903 | } | |
| 904 | ||
| 905 | static void isp1362_read_buffer(struct isp1362_hcd *isp1362_hcd, void *buf, u16 offset, int len) | |
| 906 | { | |
| a9d43091 LW |
907 | isp1362_write_diraddr(isp1362_hcd, offset, len); |
| 908 | ||
| b0a9cf29 MF |
909 | DBG(3, "%s: Reading %d byte from buffer @%04x to memory @ %p\n", |
| 910 | __func__, len, offset, buf); | |
| a9d43091 LW |
911 | |
| 912 | isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); | |
| a9d43091 LW |
913 | |
| 914 | isp1362_write_addr(isp1362_hcd, ISP1362_REG_HCDIRDATA); | |
| 915 | ||
| 916 | isp1362_read_fifo(isp1362_hcd, buf, len); | |
| a9d43091 | 917 | isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); |
| a9d43091 LW |
918 | } |
| 919 | ||
| 920 | static void isp1362_write_buffer(struct isp1362_hcd *isp1362_hcd, void *buf, u16 offset, int len) | |
| 921 | { | |
| a9d43091 LW |
922 | isp1362_write_diraddr(isp1362_hcd, offset, len); |
| 923 | ||
| b0a9cf29 MF |
924 | DBG(3, "%s: Writing %d byte to buffer @%04x from memory @ %p\n", |
| 925 | __func__, len, offset, buf); | |
| a9d43091 LW |
926 | |
| 927 | isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); | |
| a9d43091 LW |
928 | |
| 929 | isp1362_write_addr(isp1362_hcd, ISP1362_REG_HCDIRDATA | ISP1362_REG_WRITE_OFFSET); | |
| 930 | isp1362_write_fifo(isp1362_hcd, buf, len); | |
| 931 | ||
| a9d43091 | 932 | isp1362_write_reg16(isp1362_hcd, HCuPINT, HCuPINT_EOT); |
| a9d43091 LW |
933 | } |
| 934 | ||
| 935 | static void __attribute__((unused)) dump_data(char *buf, int len) | |
| 936 | { | |
| 937 | if (dbg_level > 0) { | |
| 938 | int k; | |
| 939 | int lf = 0; | |
| 940 | ||
| 941 | for (k = 0; k < len; ++k) { | |
| 942 | if (!lf) | |
| 943 | DBG(0, "%04x:", k); | |
| 944 | printk(" %02x", ((u8 *) buf)[k]); | |
| 945 | lf = 1; | |
| 946 | if (!k) | |
| 947 | continue; | |
| 948 | if (k % 16 == 15) { | |
| 949 | printk("\n"); | |
| 950 | lf = 0; | |
| 951 | continue; | |
| 952 | } | |
| 953 | if (k % 8 == 7) | |
| 954 | printk(" "); | |
| 955 | if (k % 4 == 3) | |
| 956 | printk(" "); | |
| 957 | } | |
| 958 | if (lf) | |
| 959 | printk("\n"); | |
| 960 | } | |
| 961 | } | |
| 962 | ||
| 641c86cd | 963 | #if defined(PTD_TRACE) |
| a9d43091 LW |
964 | |
| 965 | static void dump_ptd(struct ptd *ptd) | |
| 966 | { | |
| 967 | 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", | |
| 968 | container_of(ptd, struct isp1362_ep, ptd), | |
| 969 | PTD_GET_CC(ptd), PTD_GET_EP(ptd), PTD_GET_DIR(ptd), | |
| 970 | PTD_GET_COUNT(ptd), PTD_GET_LEN(ptd), PTD_GET_MPS(ptd), | |
| 971 | PTD_GET_TOGGLE(ptd), PTD_GET_ACTIVE(ptd), PTD_GET_FA(ptd), | |
| 972 | PTD_GET_SPD(ptd), PTD_GET_SF_INT(ptd), PTD_GET_PR(ptd), PTD_GET_LAST(ptd)); | |
| 973 | DBG(0, " %04x %04x %04x %04x\n", ptd->count, ptd->mps, ptd->len, ptd->faddr); | |
| 974 | } | |
| 975 | ||
| 976 | static void dump_ptd_out_data(struct ptd *ptd, u8 *buf) | |
| 977 | { | |
| 978 | if (dbg_level > 0) { | |
| 979 | if (PTD_GET_DIR(ptd) != PTD_DIR_IN && PTD_GET_LEN(ptd)) { | |
| 980 | DBG(0, "--out->\n"); | |
| 981 | dump_data(buf, PTD_GET_LEN(ptd)); | |
| 982 | } | |
| 983 | } | |
| 984 | } | |
| 985 | ||
| 986 | static void dump_ptd_in_data(struct ptd *ptd, u8 *buf) | |
| 987 | { | |
| 988 | if (dbg_level > 0) { | |
| 989 | if (PTD_GET_DIR(ptd) == PTD_DIR_IN && PTD_GET_COUNT(ptd)) { | |
| 990 | DBG(0, "<--in--\n"); | |
| 991 | dump_data(buf, PTD_GET_COUNT(ptd)); | |
| 992 | } | |
| 993 | DBG(0, "-----\n"); | |
| 994 | } | |
| 995 | } | |
| 996 | ||
| 997 | static void dump_ptd_queue(struct isp1362_ep_queue *epq) | |
| 998 | { | |
| 999 | struct isp1362_ep *ep; | |
| 1000 | int dbg = dbg_level; | |
| 1001 | ||
| 1002 | dbg_level = 1; | |
| 1003 | list_for_each_entry(ep, &epq->active, active) { | |
| 1004 | dump_ptd(&ep->ptd); | |
| 1005 | dump_data(ep->data, ep->length); | |
| 1006 | } | |
| 1007 | dbg_level = dbg; | |
| 1008 | } | |
| 1009 | #else | |
| 1010 | #define dump_ptd(ptd) do {} while (0) | |
| 1011 | #define dump_ptd_in_data(ptd, buf) do {} while (0) | |
| 1012 | #define dump_ptd_out_data(ptd, buf) do {} while (0) | |
| 1013 | #define dump_ptd_data(ptd, buf) do {} while (0) | |
| 1014 | #define dump_ptd_queue(epq) do {} while (0) | |
| 1015 | #endif |