Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 | /* Copyright Statement:
*
* This software/firmware and related documentation ("MediaTek Software") are
* protected under relevant copyright laws. The information contained herein
* is confidential and proprietary to MediaTek Inc. and/or its licensors.
* Without the prior written permission of MediaTek inc. and/or its licensors,
* any reproduction, modification, use or disclosure of MediaTek Software,
* and information contained herein, in whole or in part, shall be strictly prohibited.
*/
/* MediaTek Inc. (C) 2010. All rights reserved.
*
* BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
* THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
* RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER ON
* AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
* NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
* SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
* SUPPLIED WITH THE MEDIATEK SOFTWARE, AND RECEIVER AGREES TO LOOK ONLY TO SUCH
* THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. RECEIVER EXPRESSLY ACKNOWLEDGES
* THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES
* CONTAINED IN MEDIATEK SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK
* SOFTWARE RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
* STANDARD OR OPEN FORUM. RECEIVER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND
* CUMULATIVE LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
* AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
* OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY RECEIVER TO
* MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
*
* The following software/firmware and/or related documentation ("MediaTek Software")
* have been modified by MediaTek Inc. All revisions are subject to any receiver's
* applicable license agreements with MediaTek Inc.
*/
#ifndef MT6575_SD_H
#define MT6575_SD_H
#include <linux/bitops.h>
#include <linux/mmc/host.h>
// #include <mach/mt6575_reg_base.h> /* --- by chhung */
/*--------------------------------------------------------------------------*/
/* Common Definition */
/*--------------------------------------------------------------------------*/
#define MSDC_FIFO_SZ (128)
#define MSDC_FIFO_THD (64) // (128)
#define MSDC_NUM (4)
#define MSDC_MS (0)
#define MSDC_SDMMC (1)
#define MSDC_BUS_1BITS (0)
#define MSDC_BUS_4BITS (1)
#define MSDC_BUS_8BITS (2)
#define MSDC_BRUST_8B (3)
#define MSDC_BRUST_16B (4)
#define MSDC_BRUST_32B (5)
#define MSDC_BRUST_64B (6)
#define MSDC_PIN_PULL_NONE (0)
#define MSDC_PIN_PULL_DOWN (1)
#define MSDC_PIN_PULL_UP (2)
#define MSDC_PIN_KEEP (3)
#define MSDC_MAX_SCLK (48000000) /* +/- by chhung */
#define MSDC_MIN_SCLK (260000)
#define MSDC_AUTOCMD12 (0x0001)
#define MSDC_AUTOCMD23 (0x0002)
#define MSDC_AUTOCMD19 (0x0003)
#define MSDC_EMMC_BOOTMODE0 (0) /* Pull low CMD mode */
#define MSDC_EMMC_BOOTMODE1 (1) /* Reset CMD mode */
enum {
RESP_NONE = 0,
RESP_R1,
RESP_R2,
RESP_R3,
RESP_R4,
RESP_R5,
RESP_R6,
RESP_R7,
RESP_R1B
};
/*--------------------------------------------------------------------------*/
/* Register Offset */
/*--------------------------------------------------------------------------*/
#define MSDC_CFG (0x0)
#define MSDC_IOCON (0x04)
#define MSDC_PS (0x08)
#define MSDC_INT (0x0c)
#define MSDC_INTEN (0x10)
#define MSDC_FIFOCS (0x14)
#define MSDC_TXDATA (0x18)
#define MSDC_RXDATA (0x1c)
#define SDC_CFG (0x30)
#define SDC_CMD (0x34)
#define SDC_ARG (0x38)
#define SDC_STS (0x3c)
#define SDC_RESP0 (0x40)
#define SDC_RESP1 (0x44)
#define SDC_RESP2 (0x48)
#define SDC_RESP3 (0x4c)
#define SDC_BLK_NUM (0x50)
#define SDC_CSTS (0x58)
#define SDC_CSTS_EN (0x5c)
#define SDC_DCRC_STS (0x60)
#define EMMC_CFG0 (0x70)
#define EMMC_CFG1 (0x74)
#define EMMC_STS (0x78)
#define EMMC_IOCON (0x7c)
#define SDC_ACMD_RESP (0x80)
#define SDC_ACMD19_TRG (0x84)
#define SDC_ACMD19_STS (0x88)
#define MSDC_DMA_SA (0x90)
#define MSDC_DMA_CA (0x94)
#define MSDC_DMA_CTRL (0x98)
#define MSDC_DMA_CFG (0x9c)
#define MSDC_DBG_SEL (0xa0)
#define MSDC_DBG_OUT (0xa4)
#define MSDC_PATCH_BIT (0xb0)
#define MSDC_PATCH_BIT0 MSDC_PATCH_BIT
#define MSDC_PATCH_BIT1 (0xb4)
#define MSDC_PAD_CTL0 (0xe0)
#define MSDC_PAD_CTL1 (0xe4)
#define MSDC_PAD_CTL2 (0xe8)
#define MSDC_PAD_TUNE (0xec)
#define MSDC_DAT_RDDLY0 (0xf0)
#define MSDC_DAT_RDDLY1 (0xf4)
#define MSDC_HW_DBG (0xf8)
#define MSDC_VERSION (0x100)
#define MSDC_ECO_VER (0x104)
/*--------------------------------------------------------------------------*/
/* Register Mask */
/*--------------------------------------------------------------------------*/
/* MSDC_CFG mask */
#define MSDC_CFG_MODE (0x1 << 0) /* RW */
#define MSDC_CFG_CKPDN (0x1 << 1) /* RW */
#define MSDC_CFG_RST (0x1 << 2) /* RW */
#define MSDC_CFG_PIO (0x1 << 3) /* RW */
#define MSDC_CFG_CKDRVEN (0x1 << 4) /* RW */
#define MSDC_CFG_BV18SDT (0x1 << 5) /* RW */
#define MSDC_CFG_BV18PSS (0x1 << 6) /* R */
#define MSDC_CFG_CKSTB (0x1 << 7) /* R */
#define MSDC_CFG_CKDIV (0xff << 8) /* RW */
#define MSDC_CFG_CKMOD (0x3 << 16) /* RW */
/* MSDC_IOCON mask */
#define MSDC_IOCON_SDR104CKS (0x1 << 0) /* RW */
#define MSDC_IOCON_RSPL (0x1 << 1) /* RW */
#define MSDC_IOCON_DSPL (0x1 << 2) /* RW */
#define MSDC_IOCON_DDLSEL (0x1 << 3) /* RW */
#define MSDC_IOCON_DDR50CKD (0x1 << 4) /* RW */
#define MSDC_IOCON_DSPLSEL (0x1 << 5) /* RW */
#define MSDC_IOCON_D0SPL (0x1 << 16) /* RW */
#define MSDC_IOCON_D1SPL (0x1 << 17) /* RW */
#define MSDC_IOCON_D2SPL (0x1 << 18) /* RW */
#define MSDC_IOCON_D3SPL (0x1 << 19) /* RW */
#define MSDC_IOCON_D4SPL (0x1 << 20) /* RW */
#define MSDC_IOCON_D5SPL (0x1 << 21) /* RW */
#define MSDC_IOCON_D6SPL (0x1 << 22) /* RW */
#define MSDC_IOCON_D7SPL (0x1 << 23) /* RW */
#define MSDC_IOCON_RISCSZ (0x3 << 24) /* RW */
/* MSDC_PS mask */
#define MSDC_PS_CDEN (0x1 << 0) /* RW */
#define MSDC_PS_CDSTS (0x1 << 1) /* R */
#define MSDC_PS_CDDEBOUNCE (0xf << 12) /* RW */
#define MSDC_PS_DAT (0xff << 16) /* R */
#define MSDC_PS_CMD (0x1 << 24) /* R */
#define MSDC_PS_WP (0x1UL << 31) /* R */
/* MSDC_INT mask */
#define MSDC_INT_MMCIRQ (0x1 << 0) /* W1C */
#define MSDC_INT_CDSC (0x1 << 1) /* W1C */
#define MSDC_INT_ACMDRDY (0x1 << 3) /* W1C */
#define MSDC_INT_ACMDTMO (0x1 << 4) /* W1C */
#define MSDC_INT_ACMDCRCERR (0x1 << 5) /* W1C */
#define MSDC_INT_DMAQ_EMPTY (0x1 << 6) /* W1C */
#define MSDC_INT_SDIOIRQ (0x1 << 7) /* W1C */
#define MSDC_INT_CMDRDY (0x1 << 8) /* W1C */
#define MSDC_INT_CMDTMO (0x1 << 9) /* W1C */
#define MSDC_INT_RSPCRCERR (0x1 << 10) /* W1C */
#define MSDC_INT_CSTA (0x1 << 11) /* R */
#define MSDC_INT_XFER_COMPL (0x1 << 12) /* W1C */
#define MSDC_INT_DXFER_DONE (0x1 << 13) /* W1C */
#define MSDC_INT_DATTMO (0x1 << 14) /* W1C */
#define MSDC_INT_DATCRCERR (0x1 << 15) /* W1C */
#define MSDC_INT_ACMD19_DONE (0x1 << 16) /* W1C */
/* MSDC_INTEN mask */
#define MSDC_INTEN_MMCIRQ (0x1 << 0) /* RW */
#define MSDC_INTEN_CDSC (0x1 << 1) /* RW */
#define MSDC_INTEN_ACMDRDY (0x1 << 3) /* RW */
#define MSDC_INTEN_ACMDTMO (0x1 << 4) /* RW */
#define MSDC_INTEN_ACMDCRCERR (0x1 << 5) /* RW */
#define MSDC_INTEN_DMAQ_EMPTY (0x1 << 6) /* RW */
#define MSDC_INTEN_SDIOIRQ (0x1 << 7) /* RW */
#define MSDC_INTEN_CMDRDY (0x1 << 8) /* RW */
#define MSDC_INTEN_CMDTMO (0x1 << 9) /* RW */
#define MSDC_INTEN_RSPCRCERR (0x1 << 10) /* RW */
#define MSDC_INTEN_CSTA (0x1 << 11) /* RW */
#define MSDC_INTEN_XFER_COMPL (0x1 << 12) /* RW */
#define MSDC_INTEN_DXFER_DONE (0x1 << 13) /* RW */
#define MSDC_INTEN_DATTMO (0x1 << 14) /* RW */
#define MSDC_INTEN_DATCRCERR (0x1 << 15) /* RW */
#define MSDC_INTEN_ACMD19_DONE (0x1 << 16) /* RW */
/* MSDC_FIFOCS mask */
#define MSDC_FIFOCS_RXCNT (0xff << 0) /* R */
#define MSDC_FIFOCS_TXCNT (0xff << 16) /* R */
#define MSDC_FIFOCS_CLR (0x1UL << 31) /* RW */
/* SDC_CFG mask */
#define SDC_CFG_SDIOINTWKUP (0x1 << 0) /* RW */
#define SDC_CFG_INSWKUP (0x1 << 1) /* RW */
#define SDC_CFG_BUSWIDTH (0x3 << 16) /* RW */
#define SDC_CFG_SDIO (0x1 << 19) /* RW */
#define SDC_CFG_SDIOIDE (0x1 << 20) /* RW */
#define SDC_CFG_INTATGAP (0x1 << 21) /* RW */
#define SDC_CFG_DTOC (0xffUL << 24) /* RW */
/* SDC_CMD mask */
#define SDC_CMD_OPC (0x3f << 0) /* RW */
#define SDC_CMD_BRK (0x1 << 6) /* RW */
#define SDC_CMD_RSPTYP (0x7 << 7) /* RW */
#define SDC_CMD_DTYP (0x3 << 11) /* RW */
#define SDC_CMD_DTYP (0x3 << 11) /* RW */
#define SDC_CMD_RW (0x1 << 13) /* RW */
#define SDC_CMD_STOP (0x1 << 14) /* RW */
#define SDC_CMD_GOIRQ (0x1 << 15) /* RW */
#define SDC_CMD_BLKLEN (0xfff << 16) /* RW */
#define SDC_CMD_AUTOCMD (0x3 << 28) /* RW */
#define SDC_CMD_VOLSWTH (0x1 << 30) /* RW */
/* SDC_STS mask */
#define SDC_STS_SDCBUSY (0x1 << 0) /* RW */
#define SDC_STS_CMDBUSY (0x1 << 1) /* RW */
#define SDC_STS_SWR_COMPL (0x1 << 31) /* RW */
/* SDC_DCRC_STS mask */
#define SDC_DCRC_STS_NEG (0xf << 8) /* RO */
#define SDC_DCRC_STS_POS (0xff << 0) /* RO */
/* EMMC_CFG0 mask */
#define EMMC_CFG0_BOOTSTART (0x1 << 0) /* W */
#define EMMC_CFG0_BOOTSTOP (0x1 << 1) /* W */
#define EMMC_CFG0_BOOTMODE (0x1 << 2) /* RW */
#define EMMC_CFG0_BOOTACKDIS (0x1 << 3) /* RW */
#define EMMC_CFG0_BOOTWDLY (0x7 << 12) /* RW */
#define EMMC_CFG0_BOOTSUPP (0x1 << 15) /* RW */
/* EMMC_CFG1 mask */
#define EMMC_CFG1_BOOTDATTMC (0xfffff << 0) /* RW */
#define EMMC_CFG1_BOOTACKTMC (0xfffUL << 20) /* RW */
/* EMMC_STS mask */
#define EMMC_STS_BOOTCRCERR (0x1 << 0) /* W1C */
#define EMMC_STS_BOOTACKERR (0x1 << 1) /* W1C */
#define EMMC_STS_BOOTDATTMO (0x1 << 2) /* W1C */
#define EMMC_STS_BOOTACKTMO (0x1 << 3) /* W1C */
#define EMMC_STS_BOOTUPSTATE (0x1 << 4) /* R */
#define EMMC_STS_BOOTACKRCV (0x1 << 5) /* W1C */
#define EMMC_STS_BOOTDATRCV (0x1 << 6) /* R */
/* EMMC_IOCON mask */
#define EMMC_IOCON_BOOTRST (0x1 << 0) /* RW */
/* SDC_ACMD19_TRG mask */
#define SDC_ACMD19_TRG_TUNESEL (0xf << 0) /* RW */
/* MSDC_DMA_CTRL mask */
#define MSDC_DMA_CTRL_START (0x1 << 0) /* W */
#define MSDC_DMA_CTRL_STOP (0x1 << 1) /* W */
#define MSDC_DMA_CTRL_RESUME (0x1 << 2) /* W */
#define MSDC_DMA_CTRL_MODE (0x1 << 8) /* RW */
#define MSDC_DMA_CTRL_LASTBUF (0x1 << 10) /* RW */
#define MSDC_DMA_CTRL_BRUSTSZ (0x7 << 12) /* RW */
#define MSDC_DMA_CTRL_XFERSZ (0xffffUL << 16)/* RW */
/* MSDC_DMA_CFG mask */
#define MSDC_DMA_CFG_STS (0x1 << 0) /* R */
#define MSDC_DMA_CFG_DECSEN (0x1 << 1) /* RW */
#define MSDC_DMA_CFG_BDCSERR (0x1 << 4) /* R */
#define MSDC_DMA_CFG_GPDCSERR (0x1 << 5) /* R */
/* MSDC_PATCH_BIT mask */
#define MSDC_PATCH_BIT_WFLSMODE (0x1 << 0) /* RW */
#define MSDC_PATCH_BIT_ODDSUPP (0x1 << 1) /* RW */
#define MSDC_PATCH_BIT_CKGEN_CK (0x1 << 6) /* E2: Fixed to 1 */
#define MSDC_PATCH_BIT_IODSSEL (0x1 << 16) /* RW */
#define MSDC_PATCH_BIT_IOINTSEL (0x1 << 17) /* RW */
#define MSDC_PATCH_BIT_BUSYDLY (0xf << 18) /* RW */
#define MSDC_PATCH_BIT_WDOD (0xf << 22) /* RW */
#define MSDC_PATCH_BIT_IDRTSEL (0x1 << 26) /* RW */
#define MSDC_PATCH_BIT_CMDFSEL (0x1 << 27) /* RW */
#define MSDC_PATCH_BIT_INTDLSEL (0x1 << 28) /* RW */
#define MSDC_PATCH_BIT_SPCPUSH (0x1 << 29) /* RW */
#define MSDC_PATCH_BIT_DECRCTMO (0x1 << 30) /* RW */
/* MSDC_PATCH_BIT1 mask */
#define MSDC_PATCH_BIT1_WRDAT_CRCS (0x7 << 3)
#define MSDC_PATCH_BIT1_CMD_RSP (0x7 << 0)
/* MSDC_PAD_CTL0 mask */
#define MSDC_PAD_CTL0_CLKDRVN (0x7 << 0) /* RW */
#define MSDC_PAD_CTL0_CLKDRVP (0x7 << 4) /* RW */
#define MSDC_PAD_CTL0_CLKSR (0x1 << 8) /* RW */
#define MSDC_PAD_CTL0_CLKPD (0x1 << 16) /* RW */
#define MSDC_PAD_CTL0_CLKPU (0x1 << 17) /* RW */
#define MSDC_PAD_CTL0_CLKSMT (0x1 << 18) /* RW */
#define MSDC_PAD_CTL0_CLKIES (0x1 << 19) /* RW */
#define MSDC_PAD_CTL0_CLKTDSEL (0xf << 20) /* RW */
#define MSDC_PAD_CTL0_CLKRDSEL (0xffUL << 24) /* RW */
/* MSDC_PAD_CTL1 mask */
#define MSDC_PAD_CTL1_CMDDRVN (0x7 << 0) /* RW */
#define MSDC_PAD_CTL1_CMDDRVP (0x7 << 4) /* RW */
#define MSDC_PAD_CTL1_CMDSR (0x1 << 8) /* RW */
#define MSDC_PAD_CTL1_CMDPD (0x1 << 16) /* RW */
#define MSDC_PAD_CTL1_CMDPU (0x1 << 17) /* RW */
#define MSDC_PAD_CTL1_CMDSMT (0x1 << 18) /* RW */
#define MSDC_PAD_CTL1_CMDIES (0x1 << 19) /* RW */
#define MSDC_PAD_CTL1_CMDTDSEL (0xf << 20) /* RW */
#define MSDC_PAD_CTL1_CMDRDSEL (0xffUL << 24) /* RW */
/* MSDC_PAD_CTL2 mask */
#define MSDC_PAD_CTL2_DATDRVN (0x7 << 0) /* RW */
#define MSDC_PAD_CTL2_DATDRVP (0x7 << 4) /* RW */
#define MSDC_PAD_CTL2_DATSR (0x1 << 8) /* RW */
#define MSDC_PAD_CTL2_DATPD (0x1 << 16) /* RW */
#define MSDC_PAD_CTL2_DATPU (0x1 << 17) /* RW */
#define MSDC_PAD_CTL2_DATIES (0x1 << 19) /* RW */
#define MSDC_PAD_CTL2_DATSMT (0x1 << 18) /* RW */
#define MSDC_PAD_CTL2_DATTDSEL (0xf << 20) /* RW */
#define MSDC_PAD_CTL2_DATRDSEL (0xffUL << 24) /* RW */
/* MSDC_PAD_TUNE mask */
#define MSDC_PAD_TUNE_DATWRDLY (0x1F << 0) /* RW */
#define MSDC_PAD_TUNE_DATRRDLY (0x1F << 8) /* RW */
#define MSDC_PAD_TUNE_CMDRDLY (0x1F << 16) /* RW */
#define MSDC_PAD_TUNE_CMDRRDLY (0x1FUL << 22) /* RW */
#define MSDC_PAD_TUNE_CLKTXDLY (0x1FUL << 27) /* RW */
/* MSDC_DAT_RDDLY0/1 mask */
#define MSDC_DAT_RDDLY0_D0 (0x1F << 0) /* RW */
#define MSDC_DAT_RDDLY0_D1 (0x1F << 8) /* RW */
#define MSDC_DAT_RDDLY0_D2 (0x1F << 16) /* RW */
#define MSDC_DAT_RDDLY0_D3 (0x1F << 24) /* RW */
#define MSDC_DAT_RDDLY1_D4 (0x1F << 0) /* RW */
#define MSDC_DAT_RDDLY1_D5 (0x1F << 8) /* RW */
#define MSDC_DAT_RDDLY1_D6 (0x1F << 16) /* RW */
#define MSDC_DAT_RDDLY1_D7 (0x1F << 24) /* RW */
#define MSDC_CKGEN_MSDC_DLY_SEL (0x1F << 10)
#define MSDC_INT_DAT_LATCH_CK_SEL (0x7 << 7)
#define MSDC_CKGEN_MSDC_CK_SEL (0x1 << 6)
#define CARD_READY_FOR_DATA (1 << 8)
#define CARD_CURRENT_STATE(x) ((x & 0x00001E00) >> 9)
/*--------------------------------------------------------------------------*/
/* Descriptor Structure */
/*--------------------------------------------------------------------------*/
struct gpd {
u32 hwo:1; /* could be changed by hw */
u32 bdp:1;
u32 rsv0:6;
u32 chksum:8;
u32 intr:1;
u32 rsv1:15;
void *next;
void *ptr;
u32 buflen:16;
u32 extlen:8;
u32 rsv2:8;
u32 arg;
u32 blknum;
u32 cmd;
};
struct bd {
u32 eol:1;
u32 rsv0:7;
u32 chksum:8;
u32 rsv1:1;
u32 blkpad:1;
u32 dwpad:1;
u32 rsv2:13;
void *next;
void *ptr;
u32 buflen:16;
u32 rsv3:16;
};
struct msdc_dma {
struct gpd *gpd; /* pointer to gpd array */
struct bd *bd; /* pointer to bd array */
dma_addr_t gpd_addr; /* the physical address of gpd array */
dma_addr_t bd_addr; /* the physical address of bd array */
};
struct msdc_host {
struct msdc_hw *hw;
struct mmc_host *mmc; /* mmc structure */
struct mmc_command *cmd;
struct mmc_data *data;
struct mmc_request *mrq;
int cmd_rsp;
int error;
spinlock_t lock; /* mutex */
struct semaphore sem;
u32 blksz; /* host block size */
void __iomem *base; /* host base address */
int id; /* host id */
int pwr_ref; /* core power reference count */
u32 xfer_size; /* total transferred size */
struct msdc_dma dma; /* dma channel */
u32 dma_xfer_size; /* dma transfer size in bytes */
u32 timeout_ns; /* data timeout ns */
u32 timeout_clks; /* data timeout clks */
int irq; /* host interrupt */
struct delayed_work card_delaywork;
struct completion cmd_done;
struct completion xfer_done;
struct pm_message pm_state;
u32 mclk; /* mmc subsystem clock */
u32 hclk; /* host clock speed */
u32 sclk; /* SD/MS clock speed */
u8 core_clkon; /* Host core clock on ? */
u8 card_clkon; /* Card clock on ? */
u8 core_power; /* core power */
u8 power_mode; /* host power mode */
u8 card_inserted; /* card inserted ? */
u8 suspend; /* host suspended ? */
u8 app_cmd; /* for app command */
u32 app_cmd_arg;
};
static inline void sdr_set_bits(void __iomem *reg, u32 bs)
{
u32 val = readl(reg);
val |= bs;
writel(val, reg);
}
static inline void sdr_clr_bits(void __iomem *reg, u32 bs)
{
u32 val = readl(reg);
val &= ~bs;
writel(val, reg);
}
static inline void sdr_set_field(void __iomem *reg, u32 field, u32 val)
{
unsigned int tv = readl(reg);
tv &= ~field;
tv |= ((val) << (ffs((unsigned int)field) - 1));
writel(tv, reg);
}
static inline void sdr_get_field(void __iomem *reg, u32 field, u32 *val)
{
unsigned int tv = readl(reg);
*val = ((tv & field) >> (ffs((unsigned int)field) - 1));
}
#endif
|