Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Broadcom Corporation |
| 3 | * |
| 4 | * Permission to use, copy, modify, and/or distribute this software for any |
| 5 | * purpose with or without fee is hereby granted, provided that the above |
| 6 | * copyright notice and this permission notice appear in all copies. |
| 7 | * |
| 8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
| 9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
| 10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
| 11 | * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
| 13 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
| 14 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 15 | */ |
Greg Kroah-Hartman | a1c16ed | 2010-10-21 11:17:44 -0700 | [diff] [blame^] | 16 | #include <linux/types.h> |
| 17 | #include <bcmdefs.h> |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 18 | #include <bcmdevs.h> |
| 19 | #include <bcmendian.h> |
| 20 | #include <bcmutils.h> |
| 21 | #include <osl.h> |
| 22 | #include <sdio.h> /* SDIO Device and Protocol Specs */ |
| 23 | #include <sdioh.h> /* SDIO Host Controller Specification */ |
| 24 | #include <bcmsdbus.h> /* bcmsdh to/from specific controller APIs */ |
| 25 | #include <sdiovar.h> /* ioctl/iovars */ |
| 26 | |
| 27 | #include <linux/mmc/core.h> |
| 28 | #include <linux/mmc/sdio_func.h> |
| 29 | #include <linux/mmc/sdio_ids.h> |
| 30 | |
| 31 | #include <dngl_stats.h> |
| 32 | #include <dhd.h> |
| 33 | |
| 34 | #if defined(CONFIG_PM_SLEEP) |
| 35 | #include <linux/suspend.h> |
| 36 | extern volatile bool dhd_mmc_suspend; |
| 37 | #endif |
| 38 | #include "bcmsdh_sdmmc.h" |
| 39 | |
| 40 | extern int sdio_function_init(void); |
| 41 | extern void sdio_function_cleanup(void); |
| 42 | |
| 43 | #if !defined(OOB_INTR_ONLY) |
| 44 | static void IRQHandler(struct sdio_func *func); |
| 45 | static void IRQHandlerF2(struct sdio_func *func); |
| 46 | #endif /* !defined(OOB_INTR_ONLY) */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 47 | static int sdioh_sdmmc_get_cisaddr(sdioh_info_t *sd, u32 regaddr); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 48 | extern int sdio_reset_comm(struct mmc_card *card); |
| 49 | |
| 50 | extern PBCMSDH_SDMMC_INSTANCE gInstance; |
| 51 | |
| 52 | uint sd_sdmode = SDIOH_MODE_SD4; /* Use SD4 mode by default */ |
| 53 | uint sd_f2_blocksize = 512; /* Default blocksize */ |
| 54 | |
| 55 | uint sd_divisor = 2; /* Default 48MHz/2 = 24MHz */ |
| 56 | |
| 57 | uint sd_power = 1; /* Default to SD Slot powered ON */ |
| 58 | uint sd_clock = 1; /* Default to SD Clock turned ON */ |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 59 | uint sd_hiok = false; /* Don't use hi-speed mode by default */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 60 | uint sd_msglevel = 0x01; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 61 | uint sd_use_dma = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 62 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_byte_wait); |
| 63 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_word_wait); |
| 64 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_packet_wait); |
| 65 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_buffer_wait); |
| 66 | |
| 67 | #define DMA_ALIGN_MASK 0x03 |
| 68 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 69 | int sdioh_sdmmc_card_regread(sdioh_info_t *sd, int func, u32 regaddr, |
| 70 | int regsize, u32 *data); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 71 | |
| 72 | static int sdioh_sdmmc_card_enablefuncs(sdioh_info_t *sd) |
| 73 | { |
| 74 | int err_ret; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 75 | u32 fbraddr; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 76 | u8 func; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 77 | |
| 78 | sd_trace(("%s\n", __func__)); |
| 79 | |
| 80 | /* Get the Card's common CIS address */ |
| 81 | sd->com_cis_ptr = sdioh_sdmmc_get_cisaddr(sd, SDIOD_CCCR_CISPTR_0); |
| 82 | sd->func_cis_ptr[0] = sd->com_cis_ptr; |
| 83 | sd_info(("%s: Card's Common CIS Ptr = 0x%x\n", __func__, |
| 84 | sd->com_cis_ptr)); |
| 85 | |
| 86 | /* Get the Card's function CIS (for each function) */ |
| 87 | for (fbraddr = SDIOD_FBR_STARTADDR, func = 1; |
| 88 | func <= sd->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) { |
| 89 | sd->func_cis_ptr[func] = |
| 90 | sdioh_sdmmc_get_cisaddr(sd, SDIOD_FBR_CISPTR_0 + fbraddr); |
| 91 | sd_info(("%s: Function %d CIS Ptr = 0x%x\n", __func__, func, |
| 92 | sd->func_cis_ptr[func])); |
| 93 | } |
| 94 | |
| 95 | sd->func_cis_ptr[0] = sd->com_cis_ptr; |
| 96 | sd_info(("%s: Card's Common CIS Ptr = 0x%x\n", __func__, |
| 97 | sd->com_cis_ptr)); |
| 98 | |
| 99 | /* Enable Function 1 */ |
| 100 | sdio_claim_host(gInstance->func[1]); |
| 101 | err_ret = sdio_enable_func(gInstance->func[1]); |
| 102 | sdio_release_host(gInstance->func[1]); |
| 103 | if (err_ret) { |
| 104 | sd_err(("bcmsdh_sdmmc: Failed to enable F1 Err: 0x%08x", |
| 105 | err_ret)); |
| 106 | } |
| 107 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 108 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 109 | } |
| 110 | |
| 111 | /* |
| 112 | * Public entry points & extern's |
| 113 | */ |
| 114 | extern sdioh_info_t *sdioh_attach(osl_t *osh, void *bar0, uint irq) |
| 115 | { |
| 116 | sdioh_info_t *sd; |
| 117 | int err_ret; |
| 118 | |
| 119 | sd_trace(("%s\n", __func__)); |
| 120 | |
| 121 | if (gInstance == NULL) { |
| 122 | sd_err(("%s: SDIO Device not present\n", __func__)); |
| 123 | return NULL; |
| 124 | } |
| 125 | |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 126 | sd = kzalloc(sizeof(sdioh_info_t), GFP_ATOMIC); |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 127 | if (sd == NULL) { |
mike.rapoport@gmail.com | 97e17d0 | 2010-10-13 00:09:09 +0200 | [diff] [blame] | 128 | sd_err(("sdioh_attach: out of memory\n")); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 129 | return NULL; |
| 130 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 131 | sd->osh = osh; |
| 132 | if (sdioh_sdmmc_osinit(sd) != 0) { |
| 133 | sd_err(("%s:sdioh_sdmmc_osinit() failed\n", __func__)); |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 134 | kfree(sd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 135 | return NULL; |
| 136 | } |
| 137 | |
| 138 | sd->num_funcs = 2; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 139 | sd->sd_blockmode = true; |
| 140 | sd->use_client_ints = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 141 | sd->client_block_size[0] = 64; |
| 142 | |
| 143 | gInstance->sd = sd; |
| 144 | |
| 145 | /* Claim host controller */ |
| 146 | sdio_claim_host(gInstance->func[1]); |
| 147 | |
| 148 | sd->client_block_size[1] = 64; |
| 149 | err_ret = sdio_set_block_size(gInstance->func[1], 64); |
| 150 | if (err_ret) |
| 151 | sd_err(("bcmsdh_sdmmc: Failed to set F1 blocksize\n")); |
| 152 | |
| 153 | /* Release host controller F1 */ |
| 154 | sdio_release_host(gInstance->func[1]); |
| 155 | |
| 156 | if (gInstance->func[2]) { |
| 157 | /* Claim host controller F2 */ |
| 158 | sdio_claim_host(gInstance->func[2]); |
| 159 | |
| 160 | sd->client_block_size[2] = sd_f2_blocksize; |
| 161 | err_ret = |
| 162 | sdio_set_block_size(gInstance->func[2], sd_f2_blocksize); |
| 163 | if (err_ret) |
| 164 | sd_err(("bcmsdh_sdmmc: Failed to set F2 blocksize " |
| 165 | "to %d\n", sd_f2_blocksize)); |
| 166 | |
| 167 | /* Release host controller F2 */ |
| 168 | sdio_release_host(gInstance->func[2]); |
| 169 | } |
| 170 | |
| 171 | sdioh_sdmmc_card_enablefuncs(sd); |
| 172 | |
| 173 | sd_trace(("%s: Done\n", __func__)); |
| 174 | return sd; |
| 175 | } |
| 176 | |
| 177 | extern SDIOH_API_RC sdioh_detach(osl_t *osh, sdioh_info_t *sd) |
| 178 | { |
| 179 | sd_trace(("%s\n", __func__)); |
| 180 | |
| 181 | if (sd) { |
| 182 | |
| 183 | /* Disable Function 2 */ |
| 184 | sdio_claim_host(gInstance->func[2]); |
| 185 | sdio_disable_func(gInstance->func[2]); |
| 186 | sdio_release_host(gInstance->func[2]); |
| 187 | |
| 188 | /* Disable Function 1 */ |
| 189 | sdio_claim_host(gInstance->func[1]); |
| 190 | sdio_disable_func(gInstance->func[1]); |
| 191 | sdio_release_host(gInstance->func[1]); |
| 192 | |
| 193 | /* deregister irq */ |
| 194 | sdioh_sdmmc_osfree(sd); |
| 195 | |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 196 | kfree(sd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 197 | } |
| 198 | return SDIOH_API_RC_SUCCESS; |
| 199 | } |
| 200 | |
| 201 | #if defined(OOB_INTR_ONLY) && defined(HW_OOB) |
| 202 | |
| 203 | extern SDIOH_API_RC sdioh_enable_func_intr(void) |
| 204 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 205 | u8 reg; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 206 | int err; |
| 207 | |
| 208 | if (gInstance->func[0]) { |
| 209 | sdio_claim_host(gInstance->func[0]); |
| 210 | |
| 211 | reg = sdio_readb(gInstance->func[0], SDIOD_CCCR_INTEN, &err); |
| 212 | if (err) { |
| 213 | sd_err(("%s: error for read SDIO_CCCR_IENx : 0x%x\n", |
| 214 | __func__, err)); |
| 215 | sdio_release_host(gInstance->func[0]); |
| 216 | return SDIOH_API_RC_FAIL; |
| 217 | } |
| 218 | |
| 219 | /* Enable F1 and F2 interrupts, set master enable */ |
| 220 | reg |= |
| 221 | (INTR_CTL_FUNC1_EN | INTR_CTL_FUNC2_EN | |
| 222 | INTR_CTL_MASTER_EN); |
| 223 | |
| 224 | sdio_writeb(gInstance->func[0], reg, SDIOD_CCCR_INTEN, &err); |
| 225 | sdio_release_host(gInstance->func[0]); |
| 226 | |
| 227 | if (err) { |
| 228 | sd_err(("%s: error for write SDIO_CCCR_IENx : 0x%x\n", |
| 229 | __func__, err)); |
| 230 | return SDIOH_API_RC_FAIL; |
| 231 | } |
| 232 | } |
| 233 | |
| 234 | return SDIOH_API_RC_SUCCESS; |
| 235 | } |
| 236 | |
| 237 | extern SDIOH_API_RC sdioh_disable_func_intr(void) |
| 238 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 239 | u8 reg; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 240 | int err; |
| 241 | |
| 242 | if (gInstance->func[0]) { |
| 243 | sdio_claim_host(gInstance->func[0]); |
| 244 | reg = sdio_readb(gInstance->func[0], SDIOD_CCCR_INTEN, &err); |
| 245 | if (err) { |
| 246 | sd_err(("%s: error for read SDIO_CCCR_IENx : 0x%x\n", |
| 247 | __func__, err)); |
| 248 | sdio_release_host(gInstance->func[0]); |
| 249 | return SDIOH_API_RC_FAIL; |
| 250 | } |
| 251 | |
| 252 | reg &= ~(INTR_CTL_FUNC1_EN | INTR_CTL_FUNC2_EN); |
| 253 | /* Disable master interrupt with the last function interrupt */ |
| 254 | if (!(reg & 0xFE)) |
| 255 | reg = 0; |
| 256 | sdio_writeb(gInstance->func[0], reg, SDIOD_CCCR_INTEN, &err); |
| 257 | |
| 258 | sdio_release_host(gInstance->func[0]); |
| 259 | if (err) { |
| 260 | sd_err(("%s: error for write SDIO_CCCR_IENx : 0x%x\n", |
| 261 | __func__, err)); |
| 262 | return SDIOH_API_RC_FAIL; |
| 263 | } |
| 264 | } |
| 265 | return SDIOH_API_RC_SUCCESS; |
| 266 | } |
| 267 | #endif /* defined(OOB_INTR_ONLY) && defined(HW_OOB) */ |
| 268 | |
| 269 | /* Configure callback to client when we recieve client interrupt */ |
| 270 | extern SDIOH_API_RC |
| 271 | sdioh_interrupt_register(sdioh_info_t *sd, sdioh_cb_fn_t fn, void *argh) |
| 272 | { |
| 273 | sd_trace(("%s: Entering\n", __func__)); |
| 274 | if (fn == NULL) { |
| 275 | sd_err(("%s: interrupt handler is NULL, not registering\n", |
| 276 | __func__)); |
| 277 | return SDIOH_API_RC_FAIL; |
| 278 | } |
| 279 | #if !defined(OOB_INTR_ONLY) |
| 280 | sd->intr_handler = fn; |
| 281 | sd->intr_handler_arg = argh; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 282 | sd->intr_handler_valid = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 283 | |
| 284 | /* register and unmask irq */ |
| 285 | if (gInstance->func[2]) { |
| 286 | sdio_claim_host(gInstance->func[2]); |
| 287 | sdio_claim_irq(gInstance->func[2], IRQHandlerF2); |
| 288 | sdio_release_host(gInstance->func[2]); |
| 289 | } |
| 290 | |
| 291 | if (gInstance->func[1]) { |
| 292 | sdio_claim_host(gInstance->func[1]); |
| 293 | sdio_claim_irq(gInstance->func[1], IRQHandler); |
| 294 | sdio_release_host(gInstance->func[1]); |
| 295 | } |
| 296 | #elif defined(HW_OOB) |
| 297 | sdioh_enable_func_intr(); |
| 298 | #endif /* defined(OOB_INTR_ONLY) */ |
| 299 | return SDIOH_API_RC_SUCCESS; |
| 300 | } |
| 301 | |
| 302 | extern SDIOH_API_RC sdioh_interrupt_deregister(sdioh_info_t *sd) |
| 303 | { |
| 304 | sd_trace(("%s: Entering\n", __func__)); |
| 305 | |
| 306 | #if !defined(OOB_INTR_ONLY) |
| 307 | if (gInstance->func[1]) { |
| 308 | /* register and unmask irq */ |
| 309 | sdio_claim_host(gInstance->func[1]); |
| 310 | sdio_release_irq(gInstance->func[1]); |
| 311 | sdio_release_host(gInstance->func[1]); |
| 312 | } |
| 313 | |
| 314 | if (gInstance->func[2]) { |
| 315 | /* Claim host controller F2 */ |
| 316 | sdio_claim_host(gInstance->func[2]); |
| 317 | sdio_release_irq(gInstance->func[2]); |
| 318 | /* Release host controller F2 */ |
| 319 | sdio_release_host(gInstance->func[2]); |
| 320 | } |
| 321 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 322 | sd->intr_handler_valid = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 323 | sd->intr_handler = NULL; |
| 324 | sd->intr_handler_arg = NULL; |
| 325 | #elif defined(HW_OOB) |
| 326 | sdioh_disable_func_intr(); |
| 327 | #endif /* !defined(OOB_INTR_ONLY) */ |
| 328 | return SDIOH_API_RC_SUCCESS; |
| 329 | } |
| 330 | |
| 331 | extern SDIOH_API_RC sdioh_interrupt_query(sdioh_info_t *sd, bool *onoff) |
| 332 | { |
| 333 | sd_trace(("%s: Entering\n", __func__)); |
| 334 | *onoff = sd->client_intr_enabled; |
| 335 | return SDIOH_API_RC_SUCCESS; |
| 336 | } |
| 337 | |
| 338 | #if defined(DHD_DEBUG) |
| 339 | extern bool sdioh_interrupt_pending(sdioh_info_t *sd) |
| 340 | { |
| 341 | return 0; |
| 342 | } |
| 343 | #endif |
| 344 | |
| 345 | uint sdioh_query_iofnum(sdioh_info_t *sd) |
| 346 | { |
| 347 | return sd->num_funcs; |
| 348 | } |
| 349 | |
| 350 | /* IOVar table */ |
| 351 | enum { |
| 352 | IOV_MSGLEVEL = 1, |
| 353 | IOV_BLOCKMODE, |
| 354 | IOV_BLOCKSIZE, |
| 355 | IOV_DMA, |
| 356 | IOV_USEINTS, |
| 357 | IOV_NUMINTS, |
| 358 | IOV_NUMLOCALINTS, |
| 359 | IOV_HOSTREG, |
| 360 | IOV_DEVREG, |
| 361 | IOV_DIVISOR, |
| 362 | IOV_SDMODE, |
| 363 | IOV_HISPEED, |
| 364 | IOV_HCIREGS, |
| 365 | IOV_POWER, |
| 366 | IOV_CLOCK, |
| 367 | IOV_RXCHAIN |
| 368 | }; |
| 369 | |
| 370 | const bcm_iovar_t sdioh_iovars[] = { |
| 371 | {"sd_msglevel", IOV_MSGLEVEL, 0, IOVT_UINT32, 0}, |
| 372 | {"sd_blockmode", IOV_BLOCKMODE, 0, IOVT_BOOL, 0}, |
| 373 | {"sd_blocksize", IOV_BLOCKSIZE, 0, IOVT_UINT32, 0},/* ((fn << 16) | |
| 374 | size) */ |
| 375 | {"sd_dma", IOV_DMA, 0, IOVT_BOOL, 0}, |
| 376 | {"sd_ints", IOV_USEINTS, 0, IOVT_BOOL, 0}, |
| 377 | {"sd_numints", IOV_NUMINTS, 0, IOVT_UINT32, 0}, |
| 378 | {"sd_numlocalints", IOV_NUMLOCALINTS, 0, IOVT_UINT32, 0}, |
| 379 | {"sd_hostreg", IOV_HOSTREG, 0, IOVT_BUFFER, sizeof(sdreg_t)} |
| 380 | , |
| 381 | {"sd_devreg", IOV_DEVREG, 0, IOVT_BUFFER, sizeof(sdreg_t)} |
| 382 | , |
| 383 | {"sd_divisor", IOV_DIVISOR, 0, IOVT_UINT32, 0} |
| 384 | , |
| 385 | {"sd_power", IOV_POWER, 0, IOVT_UINT32, 0} |
| 386 | , |
| 387 | {"sd_clock", IOV_CLOCK, 0, IOVT_UINT32, 0} |
| 388 | , |
| 389 | {"sd_mode", IOV_SDMODE, 0, IOVT_UINT32, 100} |
| 390 | , |
| 391 | {"sd_highspeed", IOV_HISPEED, 0, IOVT_UINT32, 0} |
| 392 | , |
| 393 | {"sd_rxchain", IOV_RXCHAIN, 0, IOVT_BOOL, 0} |
| 394 | , |
| 395 | {NULL, 0, 0, 0, 0} |
| 396 | }; |
| 397 | |
| 398 | int |
| 399 | sdioh_iovar_op(sdioh_info_t *si, const char *name, |
| 400 | void *params, int plen, void *arg, int len, bool set) |
| 401 | { |
| 402 | const bcm_iovar_t *vi = NULL; |
| 403 | int bcmerror = 0; |
| 404 | int val_size; |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 405 | s32 int_val = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 406 | bool bool_val; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 407 | u32 actionid; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 408 | |
| 409 | ASSERT(name); |
| 410 | ASSERT(len >= 0); |
| 411 | |
| 412 | /* Get must have return space; Set does not take qualifiers */ |
| 413 | ASSERT(set || (arg && len)); |
| 414 | ASSERT(!set || (!params && !plen)); |
| 415 | |
| 416 | sd_trace(("%s: Enter (%s %s)\n", __func__, (set ? "set" : "get"), |
| 417 | name)); |
| 418 | |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 419 | vi = bcm_iovar_lookup(sdioh_iovars, name); |
| 420 | if (vi == NULL) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 421 | bcmerror = BCME_UNSUPPORTED; |
| 422 | goto exit; |
| 423 | } |
| 424 | |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 425 | bcmerror = bcm_iovar_lencheck(vi, arg, len, set); |
| 426 | if (bcmerror != 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 427 | goto exit; |
| 428 | |
| 429 | /* Set up params so get and set can share the convenience variables */ |
| 430 | if (params == NULL) { |
| 431 | params = arg; |
| 432 | plen = len; |
| 433 | } |
| 434 | |
| 435 | if (vi->type == IOVT_VOID) |
| 436 | val_size = 0; |
| 437 | else if (vi->type == IOVT_BUFFER) |
| 438 | val_size = len; |
| 439 | else |
| 440 | val_size = sizeof(int); |
| 441 | |
| 442 | if (plen >= (int)sizeof(int_val)) |
| 443 | bcopy(params, &int_val, sizeof(int_val)); |
| 444 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 445 | bool_val = (int_val != 0) ? true : false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 446 | |
| 447 | actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); |
| 448 | switch (actionid) { |
| 449 | case IOV_GVAL(IOV_MSGLEVEL): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 450 | int_val = (s32) sd_msglevel; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 451 | bcopy(&int_val, arg, val_size); |
| 452 | break; |
| 453 | |
| 454 | case IOV_SVAL(IOV_MSGLEVEL): |
| 455 | sd_msglevel = int_val; |
| 456 | break; |
| 457 | |
| 458 | case IOV_GVAL(IOV_BLOCKMODE): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 459 | int_val = (s32) si->sd_blockmode; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 460 | bcopy(&int_val, arg, val_size); |
| 461 | break; |
| 462 | |
| 463 | case IOV_SVAL(IOV_BLOCKMODE): |
| 464 | si->sd_blockmode = (bool) int_val; |
| 465 | /* Haven't figured out how to make non-block mode with DMA */ |
| 466 | break; |
| 467 | |
| 468 | case IOV_GVAL(IOV_BLOCKSIZE): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 469 | if ((u32) int_val > si->num_funcs) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 470 | bcmerror = BCME_BADARG; |
| 471 | break; |
| 472 | } |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 473 | int_val = (s32) si->client_block_size[int_val]; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 474 | bcopy(&int_val, arg, val_size); |
| 475 | break; |
| 476 | |
| 477 | case IOV_SVAL(IOV_BLOCKSIZE): |
| 478 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 479 | uint func = ((u32) int_val >> 16); |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 480 | uint blksize = (u16) int_val; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 481 | uint maxsize; |
| 482 | |
| 483 | if (func > si->num_funcs) { |
| 484 | bcmerror = BCME_BADARG; |
| 485 | break; |
| 486 | } |
| 487 | |
| 488 | switch (func) { |
| 489 | case 0: |
| 490 | maxsize = 32; |
| 491 | break; |
| 492 | case 1: |
| 493 | maxsize = BLOCK_SIZE_4318; |
| 494 | break; |
| 495 | case 2: |
| 496 | maxsize = BLOCK_SIZE_4328; |
| 497 | break; |
| 498 | default: |
| 499 | maxsize = 0; |
| 500 | } |
| 501 | if (blksize > maxsize) { |
| 502 | bcmerror = BCME_BADARG; |
| 503 | break; |
| 504 | } |
| 505 | if (!blksize) |
| 506 | blksize = maxsize; |
| 507 | |
| 508 | /* Now set it */ |
| 509 | si->client_block_size[func] = blksize; |
| 510 | |
| 511 | break; |
| 512 | } |
| 513 | |
| 514 | case IOV_GVAL(IOV_RXCHAIN): |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 515 | int_val = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 516 | bcopy(&int_val, arg, val_size); |
| 517 | break; |
| 518 | |
| 519 | case IOV_GVAL(IOV_DMA): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 520 | int_val = (s32) si->sd_use_dma; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 521 | bcopy(&int_val, arg, val_size); |
| 522 | break; |
| 523 | |
| 524 | case IOV_SVAL(IOV_DMA): |
| 525 | si->sd_use_dma = (bool) int_val; |
| 526 | break; |
| 527 | |
| 528 | case IOV_GVAL(IOV_USEINTS): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 529 | int_val = (s32) si->use_client_ints; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 530 | bcopy(&int_val, arg, val_size); |
| 531 | break; |
| 532 | |
| 533 | case IOV_SVAL(IOV_USEINTS): |
| 534 | si->use_client_ints = (bool) int_val; |
| 535 | if (si->use_client_ints) |
| 536 | si->intmask |= CLIENT_INTR; |
| 537 | else |
| 538 | si->intmask &= ~CLIENT_INTR; |
| 539 | |
| 540 | break; |
| 541 | |
| 542 | case IOV_GVAL(IOV_DIVISOR): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 543 | int_val = (u32) sd_divisor; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 544 | bcopy(&int_val, arg, val_size); |
| 545 | break; |
| 546 | |
| 547 | case IOV_SVAL(IOV_DIVISOR): |
| 548 | sd_divisor = int_val; |
| 549 | break; |
| 550 | |
| 551 | case IOV_GVAL(IOV_POWER): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 552 | int_val = (u32) sd_power; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 553 | bcopy(&int_val, arg, val_size); |
| 554 | break; |
| 555 | |
| 556 | case IOV_SVAL(IOV_POWER): |
| 557 | sd_power = int_val; |
| 558 | break; |
| 559 | |
| 560 | case IOV_GVAL(IOV_CLOCK): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 561 | int_val = (u32) sd_clock; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 562 | bcopy(&int_val, arg, val_size); |
| 563 | break; |
| 564 | |
| 565 | case IOV_SVAL(IOV_CLOCK): |
| 566 | sd_clock = int_val; |
| 567 | break; |
| 568 | |
| 569 | case IOV_GVAL(IOV_SDMODE): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 570 | int_val = (u32) sd_sdmode; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 571 | bcopy(&int_val, arg, val_size); |
| 572 | break; |
| 573 | |
| 574 | case IOV_SVAL(IOV_SDMODE): |
| 575 | sd_sdmode = int_val; |
| 576 | break; |
| 577 | |
| 578 | case IOV_GVAL(IOV_HISPEED): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 579 | int_val = (u32) sd_hiok; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 580 | bcopy(&int_val, arg, val_size); |
| 581 | break; |
| 582 | |
| 583 | case IOV_SVAL(IOV_HISPEED): |
| 584 | sd_hiok = int_val; |
| 585 | break; |
| 586 | |
| 587 | case IOV_GVAL(IOV_NUMINTS): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 588 | int_val = (s32) si->intrcount; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 589 | bcopy(&int_val, arg, val_size); |
| 590 | break; |
| 591 | |
| 592 | case IOV_GVAL(IOV_NUMLOCALINTS): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 593 | int_val = (s32) 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 594 | bcopy(&int_val, arg, val_size); |
| 595 | break; |
| 596 | |
| 597 | case IOV_GVAL(IOV_HOSTREG): |
| 598 | { |
| 599 | sdreg_t *sd_ptr = (sdreg_t *) params; |
| 600 | |
| 601 | if (sd_ptr->offset < SD_SysAddr |
| 602 | || sd_ptr->offset > SD_MaxCurCap) { |
| 603 | sd_err(("%s: bad offset 0x%x\n", __func__, |
| 604 | sd_ptr->offset)); |
| 605 | bcmerror = BCME_BADARG; |
| 606 | break; |
| 607 | } |
| 608 | |
| 609 | sd_trace(("%s: rreg%d at offset %d\n", __func__, |
| 610 | (sd_ptr->offset & 1) ? 8 |
| 611 | : ((sd_ptr->offset & 2) ? 16 : 32), |
| 612 | sd_ptr->offset)); |
| 613 | if (sd_ptr->offset & 1) |
| 614 | int_val = 8; /* sdioh_sdmmc_rreg8(si, |
| 615 | sd_ptr->offset); */ |
| 616 | else if (sd_ptr->offset & 2) |
| 617 | int_val = 16; /* sdioh_sdmmc_rreg16(si, |
| 618 | sd_ptr->offset); */ |
| 619 | else |
| 620 | int_val = 32; /* sdioh_sdmmc_rreg(si, |
| 621 | sd_ptr->offset); */ |
| 622 | |
| 623 | bcopy(&int_val, arg, sizeof(int_val)); |
| 624 | break; |
| 625 | } |
| 626 | |
| 627 | case IOV_SVAL(IOV_HOSTREG): |
| 628 | { |
| 629 | sdreg_t *sd_ptr = (sdreg_t *) params; |
| 630 | |
| 631 | if (sd_ptr->offset < SD_SysAddr |
| 632 | || sd_ptr->offset > SD_MaxCurCap) { |
| 633 | sd_err(("%s: bad offset 0x%x\n", __func__, |
| 634 | sd_ptr->offset)); |
| 635 | bcmerror = BCME_BADARG; |
| 636 | break; |
| 637 | } |
| 638 | |
| 639 | sd_trace(("%s: wreg%d value 0x%08x at offset %d\n", |
| 640 | __func__, sd_ptr->value, |
| 641 | (sd_ptr->offset & 1) ? 8 |
| 642 | : ((sd_ptr->offset & 2) ? 16 : 32), |
| 643 | sd_ptr->offset)); |
| 644 | break; |
| 645 | } |
| 646 | |
| 647 | case IOV_GVAL(IOV_DEVREG): |
| 648 | { |
| 649 | sdreg_t *sd_ptr = (sdreg_t *) params; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 650 | u8 data = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 651 | |
| 652 | if (sdioh_cfg_read |
| 653 | (si, sd_ptr->func, sd_ptr->offset, &data)) { |
| 654 | bcmerror = BCME_SDIO_ERROR; |
| 655 | break; |
| 656 | } |
| 657 | |
| 658 | int_val = (int)data; |
| 659 | bcopy(&int_val, arg, sizeof(int_val)); |
| 660 | break; |
| 661 | } |
| 662 | |
| 663 | case IOV_SVAL(IOV_DEVREG): |
| 664 | { |
| 665 | sdreg_t *sd_ptr = (sdreg_t *) params; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 666 | u8 data = (u8) sd_ptr->value; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 667 | |
| 668 | if (sdioh_cfg_write |
| 669 | (si, sd_ptr->func, sd_ptr->offset, &data)) { |
| 670 | bcmerror = BCME_SDIO_ERROR; |
| 671 | break; |
| 672 | } |
| 673 | break; |
| 674 | } |
| 675 | |
| 676 | default: |
| 677 | bcmerror = BCME_UNSUPPORTED; |
| 678 | break; |
| 679 | } |
| 680 | exit: |
| 681 | |
| 682 | return bcmerror; |
| 683 | } |
| 684 | |
| 685 | #if defined(OOB_INTR_ONLY) && defined(HW_OOB) |
| 686 | |
| 687 | SDIOH_API_RC sdioh_enable_hw_oob_intr(sdioh_info_t *sd, bool enable) |
| 688 | { |
| 689 | SDIOH_API_RC status; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 690 | u8 data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 691 | |
| 692 | if (enable) |
| 693 | data = 3; /* enable hw oob interrupt */ |
| 694 | else |
| 695 | data = 4; /* disable hw oob interrupt */ |
| 696 | data |= 4; /* Active HIGH */ |
| 697 | |
| 698 | status = sdioh_request_byte(sd, SDIOH_WRITE, 0, 0xf2, &data); |
| 699 | return status; |
| 700 | } |
| 701 | #endif /* defined(OOB_INTR_ONLY) && defined(HW_OOB) */ |
| 702 | |
| 703 | extern SDIOH_API_RC |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 704 | sdioh_cfg_read(sdioh_info_t *sd, uint fnc_num, u32 addr, u8 *data) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 705 | { |
| 706 | SDIOH_API_RC status; |
| 707 | /* No lock needed since sdioh_request_byte does locking */ |
| 708 | status = sdioh_request_byte(sd, SDIOH_READ, fnc_num, addr, data); |
| 709 | return status; |
| 710 | } |
| 711 | |
| 712 | extern SDIOH_API_RC |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 713 | sdioh_cfg_write(sdioh_info_t *sd, uint fnc_num, u32 addr, u8 *data) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 714 | { |
| 715 | /* No lock needed since sdioh_request_byte does locking */ |
| 716 | SDIOH_API_RC status; |
| 717 | status = sdioh_request_byte(sd, SDIOH_WRITE, fnc_num, addr, data); |
| 718 | return status; |
| 719 | } |
| 720 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 721 | static int sdioh_sdmmc_get_cisaddr(sdioh_info_t *sd, u32 regaddr) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 722 | { |
| 723 | /* read 24 bits and return valid 17 bit addr */ |
| 724 | int i; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 725 | u32 scratch, regdata; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 726 | u8 *ptr = (u8 *)&scratch; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 727 | for (i = 0; i < 3; i++) { |
| 728 | if ((sdioh_sdmmc_card_regread(sd, 0, regaddr, 1, ®data)) != |
| 729 | SUCCESS) |
| 730 | sd_err(("%s: Can't read!\n", __func__)); |
| 731 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 732 | *ptr++ = (u8) regdata; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 733 | regaddr++; |
| 734 | } |
| 735 | |
| 736 | /* Only the lower 17-bits are valid */ |
| 737 | scratch = ltoh32(scratch); |
| 738 | scratch &= 0x0001FFFF; |
| 739 | return scratch; |
| 740 | } |
| 741 | |
| 742 | extern SDIOH_API_RC |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 743 | sdioh_cis_read(sdioh_info_t *sd, uint func, u8 *cisd, u32 length) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 744 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 745 | u32 count; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 746 | int offset; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 747 | u32 foo; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 748 | u8 *cis = cisd; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 749 | |
| 750 | sd_trace(("%s: Func = %d\n", __func__, func)); |
| 751 | |
| 752 | if (!sd->func_cis_ptr[func]) { |
| 753 | bzero(cis, length); |
| 754 | sd_err(("%s: no func_cis_ptr[%d]\n", __func__, func)); |
| 755 | return SDIOH_API_RC_FAIL; |
| 756 | } |
| 757 | |
| 758 | sd_err(("%s: func_cis_ptr[%d]=0x%04x\n", __func__, func, |
| 759 | sd->func_cis_ptr[func])); |
| 760 | |
| 761 | for (count = 0; count < length; count++) { |
| 762 | offset = sd->func_cis_ptr[func] + count; |
| 763 | if (sdioh_sdmmc_card_regread(sd, 0, offset, 1, &foo) < 0) { |
| 764 | sd_err(("%s: regread failed: Can't read CIS\n", |
| 765 | __func__)); |
| 766 | return SDIOH_API_RC_FAIL; |
| 767 | } |
| 768 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 769 | *cis = (u8) (foo & 0xff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 770 | cis++; |
| 771 | } |
| 772 | |
| 773 | return SDIOH_API_RC_SUCCESS; |
| 774 | } |
| 775 | |
| 776 | extern SDIOH_API_RC |
| 777 | sdioh_request_byte(sdioh_info_t *sd, uint rw, uint func, uint regaddr, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 778 | u8 *byte) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 779 | { |
| 780 | int err_ret; |
| 781 | |
| 782 | sd_info(("%s: rw=%d, func=%d, addr=0x%05x\n", __func__, rw, func, |
| 783 | regaddr)); |
| 784 | |
| 785 | DHD_PM_RESUME_WAIT(sdioh_request_byte_wait); |
| 786 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 787 | if (rw) { /* CMD52 Write */ |
| 788 | if (func == 0) { |
| 789 | /* Can only directly write to some F0 registers. |
| 790 | * Handle F2 enable |
| 791 | * as a special case. |
| 792 | */ |
| 793 | if (regaddr == SDIOD_CCCR_IOEN) { |
| 794 | if (gInstance->func[2]) { |
| 795 | sdio_claim_host(gInstance->func[2]); |
| 796 | if (*byte & SDIO_FUNC_ENABLE_2) { |
| 797 | /* Enable Function 2 */ |
| 798 | err_ret = |
| 799 | sdio_enable_func |
| 800 | (gInstance->func[2]); |
| 801 | if (err_ret) |
| 802 | sd_err(("bcmsdh_sdmmc: enable F2 failed:%d", |
| 803 | err_ret)); |
| 804 | } else { |
| 805 | /* Disable Function 2 */ |
| 806 | err_ret = |
| 807 | sdio_disable_func |
| 808 | (gInstance->func[2]); |
| 809 | if (err_ret) |
| 810 | sd_err(("bcmsdh_sdmmc: Disab F2 failed:%d", |
| 811 | err_ret)); |
| 812 | } |
| 813 | sdio_release_host(gInstance->func[2]); |
| 814 | } |
| 815 | } |
| 816 | #if defined(MMC_SDIO_ABORT) |
| 817 | /* to allow abort command through F1 */ |
| 818 | else if (regaddr == SDIOD_CCCR_IOABORT) { |
| 819 | sdio_claim_host(gInstance->func[func]); |
| 820 | /* |
| 821 | * this sdio_f0_writeb() can be replaced |
| 822 | * with another api |
| 823 | * depending upon MMC driver change. |
| 824 | * As of this time, this is temporaray one |
| 825 | */ |
| 826 | sdio_writeb(gInstance->func[func], *byte, |
| 827 | regaddr, &err_ret); |
| 828 | sdio_release_host(gInstance->func[func]); |
| 829 | } |
| 830 | #endif /* MMC_SDIO_ABORT */ |
| 831 | else if (regaddr < 0xF0) { |
| 832 | sd_err(("bcmsdh_sdmmc: F0 Wr:0x%02x: write " |
| 833 | "disallowed\n", regaddr)); |
| 834 | } else { |
| 835 | /* Claim host controller, perform F0 write, |
| 836 | and release */ |
| 837 | sdio_claim_host(gInstance->func[func]); |
| 838 | sdio_f0_writeb(gInstance->func[func], *byte, |
| 839 | regaddr, &err_ret); |
| 840 | sdio_release_host(gInstance->func[func]); |
| 841 | } |
| 842 | } else { |
| 843 | /* Claim host controller, perform Fn write, |
| 844 | and release */ |
| 845 | sdio_claim_host(gInstance->func[func]); |
| 846 | sdio_writeb(gInstance->func[func], *byte, regaddr, |
| 847 | &err_ret); |
| 848 | sdio_release_host(gInstance->func[func]); |
| 849 | } |
| 850 | } else { /* CMD52 Read */ |
| 851 | /* Claim host controller, perform Fn read, and release */ |
| 852 | sdio_claim_host(gInstance->func[func]); |
| 853 | |
| 854 | if (func == 0) { |
| 855 | *byte = |
| 856 | sdio_f0_readb(gInstance->func[func], regaddr, |
| 857 | &err_ret); |
| 858 | } else { |
| 859 | *byte = |
| 860 | sdio_readb(gInstance->func[func], regaddr, |
| 861 | &err_ret); |
| 862 | } |
| 863 | |
| 864 | sdio_release_host(gInstance->func[func]); |
| 865 | } |
| 866 | |
| 867 | if (err_ret) |
| 868 | sd_err(("bcmsdh_sdmmc: Failed to %s byte F%d:@0x%05x=%02x, " |
| 869 | "Err: %d\n", rw ? "Write" : "Read", func, regaddr, |
| 870 | *byte, err_ret)); |
| 871 | |
| 872 | return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL); |
| 873 | } |
| 874 | |
| 875 | extern SDIOH_API_RC |
| 876 | sdioh_request_word(sdioh_info_t *sd, uint cmd_type, uint rw, uint func, |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 877 | uint addr, u32 *word, uint nbytes) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 878 | { |
| 879 | int err_ret = SDIOH_API_RC_FAIL; |
| 880 | |
| 881 | if (func == 0) { |
| 882 | sd_err(("%s: Only CMD52 allowed to F0.\n", __func__)); |
| 883 | return SDIOH_API_RC_FAIL; |
| 884 | } |
| 885 | |
| 886 | sd_info(("%s: cmd_type=%d, rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", |
| 887 | __func__, cmd_type, rw, func, addr, nbytes)); |
| 888 | |
| 889 | DHD_PM_RESUME_WAIT(sdioh_request_word_wait); |
| 890 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 891 | /* Claim host controller */ |
| 892 | sdio_claim_host(gInstance->func[func]); |
| 893 | |
| 894 | if (rw) { /* CMD52 Write */ |
| 895 | if (nbytes == 4) { |
| 896 | sdio_writel(gInstance->func[func], *word, addr, |
| 897 | &err_ret); |
| 898 | } else if (nbytes == 2) { |
| 899 | sdio_writew(gInstance->func[func], (*word & 0xFFFF), |
| 900 | addr, &err_ret); |
| 901 | } else { |
| 902 | sd_err(("%s: Invalid nbytes: %d\n", __func__, nbytes)); |
| 903 | } |
| 904 | } else { /* CMD52 Read */ |
| 905 | if (nbytes == 4) { |
| 906 | *word = |
| 907 | sdio_readl(gInstance->func[func], addr, &err_ret); |
| 908 | } else if (nbytes == 2) { |
| 909 | *word = |
| 910 | sdio_readw(gInstance->func[func], addr, |
| 911 | &err_ret) & 0xFFFF; |
| 912 | } else { |
| 913 | sd_err(("%s: Invalid nbytes: %d\n", __func__, nbytes)); |
| 914 | } |
| 915 | } |
| 916 | |
| 917 | /* Release host controller */ |
| 918 | sdio_release_host(gInstance->func[func]); |
| 919 | |
| 920 | if (err_ret) { |
| 921 | sd_err(("bcmsdh_sdmmc: Failed to %s word, Err: 0x%08x", |
| 922 | rw ? "Write" : "Read", err_ret)); |
| 923 | } |
| 924 | |
| 925 | return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL); |
| 926 | } |
| 927 | |
| 928 | static SDIOH_API_RC |
| 929 | sdioh_request_packet(sdioh_info_t *sd, uint fix_inc, uint write, uint func, |
| 930 | uint addr, void *pkt) |
| 931 | { |
| 932 | bool fifo = (fix_inc == SDIOH_DATA_FIX); |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 933 | u32 SGCount = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 934 | int err_ret = 0; |
| 935 | |
| 936 | void *pnext; |
| 937 | |
| 938 | sd_trace(("%s: Enter\n", __func__)); |
| 939 | |
| 940 | ASSERT(pkt); |
| 941 | DHD_PM_RESUME_WAIT(sdioh_request_packet_wait); |
| 942 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 943 | |
| 944 | /* Claim host controller */ |
| 945 | sdio_claim_host(gInstance->func[func]); |
| 946 | for (pnext = pkt; pnext; pnext = PKTNEXT(pnext)) { |
| 947 | uint pkt_len = PKTLEN(pnext); |
| 948 | pkt_len += 3; |
| 949 | pkt_len &= 0xFFFFFFFC; |
| 950 | |
| 951 | #ifdef CONFIG_MMC_MSM7X00A |
| 952 | if ((pkt_len % 64) == 32) { |
| 953 | sd_trace(("%s: Rounding up TX packet +=32\n", |
| 954 | __func__)); |
| 955 | pkt_len += 32; |
| 956 | } |
| 957 | #endif /* CONFIG_MMC_MSM7X00A */ |
| 958 | /* Make sure the packet is aligned properly. |
| 959 | * If it isn't, then this |
| 960 | * is the fault of sdioh_request_buffer() which |
| 961 | * is supposed to give |
| 962 | * us something we can work with. |
| 963 | */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 964 | ASSERT(((u32) (PKTDATA(pkt)) & DMA_ALIGN_MASK) == 0); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 965 | |
| 966 | if ((write) && (!fifo)) { |
| 967 | err_ret = sdio_memcpy_toio(gInstance->func[func], addr, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 968 | ((u8 *) PKTDATA(pnext)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 969 | pkt_len); |
| 970 | } else if (write) { |
| 971 | err_ret = sdio_memcpy_toio(gInstance->func[func], addr, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 972 | ((u8 *) PKTDATA(pnext)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 973 | pkt_len); |
| 974 | } else if (fifo) { |
| 975 | err_ret = sdio_readsb(gInstance->func[func], |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 976 | ((u8 *) PKTDATA(pnext)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 977 | addr, pkt_len); |
| 978 | } else { |
| 979 | err_ret = sdio_memcpy_fromio(gInstance->func[func], |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 980 | ((u8 *) PKTDATA(pnext)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 981 | addr, pkt_len); |
| 982 | } |
| 983 | |
| 984 | if (err_ret) { |
| 985 | sd_err(("%s: %s FAILED %p[%d], addr=0x%05x, pkt_len=%d," |
Jason Cooper | e9887c9 | 2010-10-06 10:08:02 -0400 | [diff] [blame] | 986 | "ERR=0x%08x\n", __func__, |
| 987 | (write) ? "TX" : "RX", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 988 | pnext, SGCount, addr, pkt_len, err_ret)); |
| 989 | } else { |
| 990 | sd_trace(("%s: %s xfr'd %p[%d], addr=0x%05x, len=%d\n", |
| 991 | __func__, |
| 992 | (write) ? "TX" : "RX", |
| 993 | pnext, SGCount, addr, pkt_len)); |
| 994 | } |
| 995 | |
| 996 | if (!fifo) |
| 997 | addr += pkt_len; |
| 998 | SGCount++; |
| 999 | |
| 1000 | } |
| 1001 | |
| 1002 | /* Release host controller */ |
| 1003 | sdio_release_host(gInstance->func[func]); |
| 1004 | |
| 1005 | sd_trace(("%s: Exit\n", __func__)); |
| 1006 | return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL); |
| 1007 | } |
| 1008 | |
| 1009 | /* |
| 1010 | * This function takes a buffer or packet, and fixes everything up |
| 1011 | * so that in the |
| 1012 | * end, a DMA-able packet is created. |
| 1013 | * |
| 1014 | * A buffer does not have an associated packet pointer, |
| 1015 | * and may or may not be aligned. |
| 1016 | * A packet may consist of a single packet, or a packet chain. |
| 1017 | * If it is a packet chain, |
| 1018 | * then all the packets in the chain must be properly aligned. |
| 1019 | * If the packet data is not |
| 1020 | * aligned, then there may only be one packet, and in this case, |
| 1021 | * it is copied to a new |
| 1022 | * aligned packet. |
| 1023 | * |
| 1024 | */ |
| 1025 | extern SDIOH_API_RC |
| 1026 | sdioh_request_buffer(sdioh_info_t *sd, uint pio_dma, uint fix_inc, uint write, |
| 1027 | uint func, uint addr, uint reg_width, uint buflen_u, |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1028 | u8 *buffer, void *pkt) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1029 | { |
| 1030 | SDIOH_API_RC Status; |
| 1031 | void *mypkt = NULL; |
| 1032 | |
| 1033 | sd_trace(("%s: Enter\n", __func__)); |
| 1034 | |
| 1035 | DHD_PM_RESUME_WAIT(sdioh_request_buffer_wait); |
| 1036 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 1037 | /* Case 1: we don't have a packet. */ |
| 1038 | if (pkt == NULL) { |
| 1039 | sd_data(("%s: Creating new %s Packet, len=%d\n", |
| 1040 | __func__, write ? "TX" : "RX", buflen_u)); |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1041 | mypkt = PKTGET(sd->osh, buflen_u, write ? true : false); |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 1042 | if (!mypkt) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1043 | sd_err(("%s: PKTGET failed: len %d\n", |
| 1044 | __func__, buflen_u)); |
| 1045 | return SDIOH_API_RC_FAIL; |
| 1046 | } |
| 1047 | |
| 1048 | /* For a write, copy the buffer data into the packet. */ |
| 1049 | if (write) |
| 1050 | bcopy(buffer, PKTDATA(mypkt), buflen_u); |
| 1051 | |
| 1052 | Status = |
| 1053 | sdioh_request_packet(sd, fix_inc, write, func, addr, mypkt); |
| 1054 | |
| 1055 | /* For a read, copy the packet data back to the buffer. */ |
| 1056 | if (!write) |
| 1057 | bcopy(PKTDATA(mypkt), buffer, buflen_u); |
| 1058 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1059 | PKTFREE(sd->osh, mypkt, write ? true : false); |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1060 | } else if (((u32) (PKTDATA(pkt)) & DMA_ALIGN_MASK) != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1061 | /* Case 2: We have a packet, but it is unaligned. */ |
| 1062 | |
| 1063 | /* In this case, we cannot have a chain. */ |
| 1064 | ASSERT(PKTNEXT(pkt) == NULL); |
| 1065 | |
| 1066 | sd_data(("%s: Creating aligned %s Packet, len=%d\n", |
| 1067 | __func__, write ? "TX" : "RX", PKTLEN(pkt))); |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1068 | mypkt = PKTGET(sd->osh, PKTLEN(pkt), write ? true : false); |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 1069 | if (!mypkt) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1070 | sd_err(("%s: PKTGET failed: len %d\n", |
| 1071 | __func__, PKTLEN(pkt))); |
| 1072 | return SDIOH_API_RC_FAIL; |
| 1073 | } |
| 1074 | |
| 1075 | /* For a write, copy the buffer data into the packet. */ |
| 1076 | if (write) |
| 1077 | bcopy(PKTDATA(pkt), PKTDATA(mypkt), PKTLEN(pkt)); |
| 1078 | |
| 1079 | Status = |
| 1080 | sdioh_request_packet(sd, fix_inc, write, func, addr, mypkt); |
| 1081 | |
| 1082 | /* For a read, copy the packet data back to the buffer. */ |
| 1083 | if (!write) |
| 1084 | bcopy(PKTDATA(mypkt), PKTDATA(pkt), PKTLEN(mypkt)); |
| 1085 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 1086 | PKTFREE(sd->osh, mypkt, write ? true : false); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1087 | } else { /* case 3: We have a packet and |
| 1088 | it is aligned. */ |
| 1089 | sd_data(("%s: Aligned %s Packet, direct DMA\n", |
| 1090 | __func__, write ? "Tx" : "Rx")); |
| 1091 | Status = |
| 1092 | sdioh_request_packet(sd, fix_inc, write, func, addr, pkt); |
| 1093 | } |
| 1094 | |
| 1095 | return Status; |
| 1096 | } |
| 1097 | |
| 1098 | /* this function performs "abort" for both of host & device */ |
| 1099 | extern int sdioh_abort(sdioh_info_t *sd, uint func) |
| 1100 | { |
| 1101 | #if defined(MMC_SDIO_ABORT) |
| 1102 | char t_func = (char)func; |
| 1103 | #endif /* defined(MMC_SDIO_ABORT) */ |
| 1104 | sd_trace(("%s: Enter\n", __func__)); |
| 1105 | |
| 1106 | #if defined(MMC_SDIO_ABORT) |
| 1107 | /* issue abort cmd52 command through F1 */ |
| 1108 | sdioh_request_byte(sd, SD_IO_OP_WRITE, SDIO_FUNC_0, SDIOD_CCCR_IOABORT, |
| 1109 | &t_func); |
| 1110 | #endif /* defined(MMC_SDIO_ABORT) */ |
| 1111 | |
| 1112 | sd_trace(("%s: Exit\n", __func__)); |
| 1113 | return SDIOH_API_RC_SUCCESS; |
| 1114 | } |
| 1115 | |
| 1116 | /* Reset and re-initialize the device */ |
| 1117 | int sdioh_sdio_reset(sdioh_info_t *si) |
| 1118 | { |
| 1119 | sd_trace(("%s: Enter\n", __func__)); |
| 1120 | sd_trace(("%s: Exit\n", __func__)); |
| 1121 | return SDIOH_API_RC_SUCCESS; |
| 1122 | } |
| 1123 | |
| 1124 | /* Disable device interrupt */ |
| 1125 | void sdioh_sdmmc_devintr_off(sdioh_info_t *sd) |
| 1126 | { |
| 1127 | sd_trace(("%s: %d\n", __func__, sd->use_client_ints)); |
| 1128 | sd->intmask &= ~CLIENT_INTR; |
| 1129 | } |
| 1130 | |
| 1131 | /* Enable device interrupt */ |
| 1132 | void sdioh_sdmmc_devintr_on(sdioh_info_t *sd) |
| 1133 | { |
| 1134 | sd_trace(("%s: %d\n", __func__, sd->use_client_ints)); |
| 1135 | sd->intmask |= CLIENT_INTR; |
| 1136 | } |
| 1137 | |
| 1138 | /* Read client card reg */ |
| 1139 | int |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1140 | sdioh_sdmmc_card_regread(sdioh_info_t *sd, int func, u32 regaddr, |
| 1141 | int regsize, u32 *data) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1142 | { |
| 1143 | |
| 1144 | if ((func == 0) || (regsize == 1)) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1145 | u8 temp = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1146 | |
| 1147 | sdioh_request_byte(sd, SDIOH_READ, func, regaddr, &temp); |
| 1148 | *data = temp; |
| 1149 | *data &= 0xff; |
| 1150 | sd_data(("%s: byte read data=0x%02x\n", __func__, *data)); |
| 1151 | } else { |
| 1152 | sdioh_request_word(sd, 0, SDIOH_READ, func, regaddr, data, |
| 1153 | regsize); |
| 1154 | if (regsize == 2) |
| 1155 | *data &= 0xffff; |
| 1156 | |
| 1157 | sd_data(("%s: word read data=0x%08x\n", __func__, *data)); |
| 1158 | } |
| 1159 | |
| 1160 | return SUCCESS; |
| 1161 | } |
| 1162 | |
| 1163 | #if !defined(OOB_INTR_ONLY) |
| 1164 | /* bcmsdh_sdmmc interrupt handler */ |
| 1165 | static void IRQHandler(struct sdio_func *func) |
| 1166 | { |
| 1167 | sdioh_info_t *sd; |
| 1168 | |
| 1169 | sd_trace(("bcmsdh_sdmmc: ***IRQHandler\n")); |
| 1170 | sd = gInstance->sd; |
| 1171 | |
| 1172 | ASSERT(sd != NULL); |
| 1173 | sdio_release_host(gInstance->func[0]); |
| 1174 | |
| 1175 | if (sd->use_client_ints) { |
| 1176 | sd->intrcount++; |
| 1177 | ASSERT(sd->intr_handler); |
| 1178 | ASSERT(sd->intr_handler_arg); |
| 1179 | (sd->intr_handler) (sd->intr_handler_arg); |
| 1180 | } else { |
| 1181 | sd_err(("bcmsdh_sdmmc: ***IRQHandler\n")); |
| 1182 | |
| 1183 | sd_err(("%s: Not ready for intr: enabled %d, handler %p\n", |
| 1184 | __func__, sd->client_intr_enabled, sd->intr_handler)); |
| 1185 | } |
| 1186 | |
| 1187 | sdio_claim_host(gInstance->func[0]); |
| 1188 | } |
| 1189 | |
| 1190 | /* bcmsdh_sdmmc interrupt handler for F2 (dummy handler) */ |
| 1191 | static void IRQHandlerF2(struct sdio_func *func) |
| 1192 | { |
| 1193 | sdioh_info_t *sd; |
| 1194 | |
| 1195 | sd_trace(("bcmsdh_sdmmc: ***IRQHandlerF2\n")); |
| 1196 | |
| 1197 | sd = gInstance->sd; |
| 1198 | |
| 1199 | ASSERT(sd != NULL); |
| 1200 | } |
| 1201 | #endif /* !defined(OOB_INTR_ONLY) */ |
| 1202 | |
| 1203 | #ifdef NOTUSED |
| 1204 | /* Write client card reg */ |
| 1205 | static int |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1206 | sdioh_sdmmc_card_regwrite(sdioh_info_t *sd, int func, u32 regaddr, |
| 1207 | int regsize, u32 data) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1208 | { |
| 1209 | |
| 1210 | if ((func == 0) || (regsize == 1)) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1211 | u8 temp; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1212 | |
| 1213 | temp = data & 0xff; |
| 1214 | sdioh_request_byte(sd, SDIOH_READ, func, regaddr, &temp); |
| 1215 | sd_data(("%s: byte write data=0x%02x\n", __func__, data)); |
| 1216 | } else { |
| 1217 | if (regsize == 2) |
| 1218 | data &= 0xffff; |
| 1219 | |
| 1220 | sdioh_request_word(sd, 0, SDIOH_READ, func, regaddr, &data, |
| 1221 | regsize); |
| 1222 | |
| 1223 | sd_data(("%s: word write data=0x%08x\n", __func__, data)); |
| 1224 | } |
| 1225 | |
| 1226 | return SUCCESS; |
| 1227 | } |
| 1228 | #endif /* NOTUSED */ |
| 1229 | |
| 1230 | int sdioh_start(sdioh_info_t *si, int stage) |
| 1231 | { |
| 1232 | return 0; |
| 1233 | } |
| 1234 | |
| 1235 | int sdioh_stop(sdioh_info_t *si) |
| 1236 | { |
| 1237 | return 0; |
| 1238 | } |