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> |
Brett Rudley | c6ac24e | 2010-10-26 11:55:23 -0700 | [diff] [blame] | 17 | #include <linux/netdevice.h> |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 18 | #include <linux/mmc/sdio.h> |
Greg Kroah-Hartman | a1c16ed | 2010-10-21 11:17:44 -0700 | [diff] [blame] | 19 | #include <bcmdefs.h> |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 20 | #include <bcmdevs.h> |
Brett Rudley | 7f7c3db | 2010-10-26 15:23:09 -0700 | [diff] [blame] | 21 | #include <bcmutils.h> |
Franky Lin | 7c6100e | 2011-06-01 13:45:36 +0200 | [diff] [blame] | 22 | #include <bcmwifi.h> |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 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> |
Sukesh Srikakula | e6e8f89 | 2011-05-13 11:59:39 +0200 | [diff] [blame] | 30 | #include <linux/suspend.h> |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 31 | |
| 32 | #include <dngl_stats.h> |
| 33 | #include <dhd.h> |
| 34 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 35 | #include "bcmsdh_sdmmc.h" |
| 36 | |
| 37 | extern int sdio_function_init(void); |
| 38 | extern void sdio_function_cleanup(void); |
| 39 | |
| 40 | #if !defined(OOB_INTR_ONLY) |
| 41 | static void IRQHandler(struct sdio_func *func); |
| 42 | static void IRQHandlerF2(struct sdio_func *func); |
| 43 | #endif /* !defined(OOB_INTR_ONLY) */ |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 44 | static int sdioh_sdmmc_get_cisaddr(sdioh_info_t *sd, u32 regaddr); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 45 | extern int sdio_reset_comm(struct mmc_card *card); |
| 46 | |
| 47 | extern PBCMSDH_SDMMC_INSTANCE gInstance; |
| 48 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 49 | uint sd_f2_blocksize = 512; /* Default blocksize */ |
| 50 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 51 | uint sd_msglevel = 0x01; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 52 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_byte_wait); |
| 53 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_word_wait); |
| 54 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_packet_wait); |
| 55 | DHD_PM_RESUME_WAIT_INIT(sdioh_request_buffer_wait); |
| 56 | |
| 57 | #define DMA_ALIGN_MASK 0x03 |
| 58 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 59 | int sdioh_sdmmc_card_regread(sdioh_info_t *sd, int func, u32 regaddr, |
| 60 | int regsize, u32 *data); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 61 | |
Grant Grundler | 6b5a5a3 | 2011-03-18 15:56:57 -0700 | [diff] [blame] | 62 | void sdioh_sdio_set_host_pm_flags(int flag) |
| 63 | { |
| 64 | if (sdio_set_host_pm_flags(gInstance->func[1], flag)) |
| 65 | printk(KERN_ERR "%s: Failed to set pm_flags 0x%08x\n",\ |
| 66 | __func__, (unsigned int)flag); |
| 67 | } |
| 68 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 69 | static int sdioh_sdmmc_card_enablefuncs(sdioh_info_t *sd) |
| 70 | { |
| 71 | int err_ret; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 72 | u32 fbraddr; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 73 | u8 func; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 74 | |
| 75 | sd_trace(("%s\n", __func__)); |
| 76 | |
| 77 | /* Get the Card's common CIS address */ |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 78 | sd->com_cis_ptr = sdioh_sdmmc_get_cisaddr(sd, SDIO_CCCR_CIS); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 79 | sd->func_cis_ptr[0] = sd->com_cis_ptr; |
| 80 | sd_info(("%s: Card's Common CIS Ptr = 0x%x\n", __func__, |
| 81 | sd->com_cis_ptr)); |
| 82 | |
| 83 | /* Get the Card's function CIS (for each function) */ |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 84 | for (fbraddr = SDIO_FBR_BASE(1), func = 1; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 85 | func <= sd->num_funcs; func++, fbraddr += SDIOD_FBR_SIZE) { |
| 86 | sd->func_cis_ptr[func] = |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 87 | sdioh_sdmmc_get_cisaddr(sd, SDIO_FBR_CIS + fbraddr); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 88 | sd_info(("%s: Function %d CIS Ptr = 0x%x\n", __func__, func, |
| 89 | sd->func_cis_ptr[func])); |
| 90 | } |
| 91 | |
| 92 | sd->func_cis_ptr[0] = sd->com_cis_ptr; |
| 93 | sd_info(("%s: Card's Common CIS Ptr = 0x%x\n", __func__, |
| 94 | sd->com_cis_ptr)); |
| 95 | |
| 96 | /* Enable Function 1 */ |
| 97 | sdio_claim_host(gInstance->func[1]); |
| 98 | err_ret = sdio_enable_func(gInstance->func[1]); |
| 99 | sdio_release_host(gInstance->func[1]); |
| 100 | if (err_ret) { |
| 101 | sd_err(("bcmsdh_sdmmc: Failed to enable F1 Err: 0x%08x", |
| 102 | err_ret)); |
| 103 | } |
| 104 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 105 | return false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | /* |
| 109 | * Public entry points & extern's |
| 110 | */ |
Arend van Spriel | 3c9d4c3 | 2011-03-02 21:18:48 +0100 | [diff] [blame] | 111 | sdioh_info_t *sdioh_attach(void *bar0, uint irq) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 112 | { |
| 113 | sdioh_info_t *sd; |
| 114 | int err_ret; |
| 115 | |
| 116 | sd_trace(("%s\n", __func__)); |
| 117 | |
| 118 | if (gInstance == NULL) { |
| 119 | sd_err(("%s: SDIO Device not present\n", __func__)); |
| 120 | return NULL; |
| 121 | } |
| 122 | |
mike.rapoport@gmail.com | 5fcc1fc | 2010-10-13 00:09:10 +0200 | [diff] [blame] | 123 | sd = kzalloc(sizeof(sdioh_info_t), GFP_ATOMIC); |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 124 | if (sd == NULL) { |
mike.rapoport@gmail.com | 97e17d0 | 2010-10-13 00:09:09 +0200 | [diff] [blame] | 125 | sd_err(("sdioh_attach: out of memory\n")); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 126 | return NULL; |
| 127 | } |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 128 | if (sdioh_sdmmc_osinit(sd) != 0) { |
| 129 | sd_err(("%s:sdioh_sdmmc_osinit() failed\n", __func__)); |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 130 | kfree(sd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 131 | return NULL; |
| 132 | } |
| 133 | |
| 134 | sd->num_funcs = 2; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 135 | sd->use_client_ints = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 136 | sd->client_block_size[0] = 64; |
| 137 | |
| 138 | gInstance->sd = sd; |
| 139 | |
| 140 | /* Claim host controller */ |
| 141 | sdio_claim_host(gInstance->func[1]); |
| 142 | |
| 143 | sd->client_block_size[1] = 64; |
| 144 | err_ret = sdio_set_block_size(gInstance->func[1], 64); |
| 145 | if (err_ret) |
| 146 | sd_err(("bcmsdh_sdmmc: Failed to set F1 blocksize\n")); |
| 147 | |
| 148 | /* Release host controller F1 */ |
| 149 | sdio_release_host(gInstance->func[1]); |
| 150 | |
| 151 | if (gInstance->func[2]) { |
| 152 | /* Claim host controller F2 */ |
| 153 | sdio_claim_host(gInstance->func[2]); |
| 154 | |
| 155 | sd->client_block_size[2] = sd_f2_blocksize; |
| 156 | err_ret = |
| 157 | sdio_set_block_size(gInstance->func[2], sd_f2_blocksize); |
| 158 | if (err_ret) |
| 159 | sd_err(("bcmsdh_sdmmc: Failed to set F2 blocksize " |
| 160 | "to %d\n", sd_f2_blocksize)); |
| 161 | |
| 162 | /* Release host controller F2 */ |
| 163 | sdio_release_host(gInstance->func[2]); |
| 164 | } |
| 165 | |
| 166 | sdioh_sdmmc_card_enablefuncs(sd); |
| 167 | |
| 168 | sd_trace(("%s: Done\n", __func__)); |
| 169 | return sd; |
| 170 | } |
| 171 | |
Arend van Spriel | 8da4a3a | 2011-03-02 21:18:42 +0100 | [diff] [blame] | 172 | extern SDIOH_API_RC sdioh_detach(sdioh_info_t *sd) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 173 | { |
| 174 | sd_trace(("%s\n", __func__)); |
| 175 | |
| 176 | if (sd) { |
| 177 | |
| 178 | /* Disable Function 2 */ |
| 179 | sdio_claim_host(gInstance->func[2]); |
| 180 | sdio_disable_func(gInstance->func[2]); |
| 181 | sdio_release_host(gInstance->func[2]); |
| 182 | |
| 183 | /* Disable Function 1 */ |
| 184 | sdio_claim_host(gInstance->func[1]); |
| 185 | sdio_disable_func(gInstance->func[1]); |
| 186 | sdio_release_host(gInstance->func[1]); |
| 187 | |
| 188 | /* deregister irq */ |
| 189 | sdioh_sdmmc_osfree(sd); |
| 190 | |
mike.rapoport@gmail.com | 182acb3 | 2010-10-13 00:09:12 +0200 | [diff] [blame] | 191 | kfree(sd); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 192 | } |
| 193 | return SDIOH_API_RC_SUCCESS; |
| 194 | } |
| 195 | |
| 196 | #if defined(OOB_INTR_ONLY) && defined(HW_OOB) |
| 197 | |
| 198 | extern SDIOH_API_RC sdioh_enable_func_intr(void) |
| 199 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 200 | u8 reg; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 201 | int err; |
| 202 | |
| 203 | if (gInstance->func[0]) { |
| 204 | sdio_claim_host(gInstance->func[0]); |
| 205 | |
| 206 | reg = sdio_readb(gInstance->func[0], SDIOD_CCCR_INTEN, &err); |
| 207 | if (err) { |
| 208 | sd_err(("%s: error for read SDIO_CCCR_IENx : 0x%x\n", |
| 209 | __func__, err)); |
| 210 | sdio_release_host(gInstance->func[0]); |
| 211 | return SDIOH_API_RC_FAIL; |
| 212 | } |
| 213 | |
| 214 | /* Enable F1 and F2 interrupts, set master enable */ |
| 215 | reg |= |
| 216 | (INTR_CTL_FUNC1_EN | INTR_CTL_FUNC2_EN | |
| 217 | INTR_CTL_MASTER_EN); |
| 218 | |
| 219 | sdio_writeb(gInstance->func[0], reg, SDIOD_CCCR_INTEN, &err); |
| 220 | sdio_release_host(gInstance->func[0]); |
| 221 | |
| 222 | if (err) { |
| 223 | sd_err(("%s: error for write SDIO_CCCR_IENx : 0x%x\n", |
| 224 | __func__, err)); |
| 225 | return SDIOH_API_RC_FAIL; |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | return SDIOH_API_RC_SUCCESS; |
| 230 | } |
| 231 | |
| 232 | extern SDIOH_API_RC sdioh_disable_func_intr(void) |
| 233 | { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 234 | u8 reg; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 235 | int err; |
| 236 | |
| 237 | if (gInstance->func[0]) { |
| 238 | sdio_claim_host(gInstance->func[0]); |
| 239 | reg = sdio_readb(gInstance->func[0], SDIOD_CCCR_INTEN, &err); |
| 240 | if (err) { |
| 241 | sd_err(("%s: error for read SDIO_CCCR_IENx : 0x%x\n", |
| 242 | __func__, err)); |
| 243 | sdio_release_host(gInstance->func[0]); |
| 244 | return SDIOH_API_RC_FAIL; |
| 245 | } |
| 246 | |
| 247 | reg &= ~(INTR_CTL_FUNC1_EN | INTR_CTL_FUNC2_EN); |
| 248 | /* Disable master interrupt with the last function interrupt */ |
| 249 | if (!(reg & 0xFE)) |
| 250 | reg = 0; |
| 251 | sdio_writeb(gInstance->func[0], reg, SDIOD_CCCR_INTEN, &err); |
| 252 | |
| 253 | sdio_release_host(gInstance->func[0]); |
| 254 | if (err) { |
| 255 | sd_err(("%s: error for write SDIO_CCCR_IENx : 0x%x\n", |
| 256 | __func__, err)); |
| 257 | return SDIOH_API_RC_FAIL; |
| 258 | } |
| 259 | } |
| 260 | return SDIOH_API_RC_SUCCESS; |
| 261 | } |
| 262 | #endif /* defined(OOB_INTR_ONLY) && defined(HW_OOB) */ |
| 263 | |
Peter Huewe | b3b97f5 | 2011-03-26 02:17:52 +0100 | [diff] [blame] | 264 | /* Configure callback to client when we receive client interrupt */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 265 | extern SDIOH_API_RC |
| 266 | sdioh_interrupt_register(sdioh_info_t *sd, sdioh_cb_fn_t fn, void *argh) |
| 267 | { |
| 268 | sd_trace(("%s: Entering\n", __func__)); |
| 269 | if (fn == NULL) { |
| 270 | sd_err(("%s: interrupt handler is NULL, not registering\n", |
| 271 | __func__)); |
| 272 | return SDIOH_API_RC_FAIL; |
| 273 | } |
| 274 | #if !defined(OOB_INTR_ONLY) |
| 275 | sd->intr_handler = fn; |
| 276 | sd->intr_handler_arg = argh; |
Greg Kroah-Hartman | 0f0881b | 2010-10-12 12:15:18 -0700 | [diff] [blame] | 277 | sd->intr_handler_valid = true; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 278 | |
| 279 | /* register and unmask irq */ |
| 280 | if (gInstance->func[2]) { |
| 281 | sdio_claim_host(gInstance->func[2]); |
| 282 | sdio_claim_irq(gInstance->func[2], IRQHandlerF2); |
| 283 | sdio_release_host(gInstance->func[2]); |
| 284 | } |
| 285 | |
| 286 | if (gInstance->func[1]) { |
| 287 | sdio_claim_host(gInstance->func[1]); |
| 288 | sdio_claim_irq(gInstance->func[1], IRQHandler); |
| 289 | sdio_release_host(gInstance->func[1]); |
| 290 | } |
| 291 | #elif defined(HW_OOB) |
| 292 | sdioh_enable_func_intr(); |
| 293 | #endif /* defined(OOB_INTR_ONLY) */ |
| 294 | return SDIOH_API_RC_SUCCESS; |
| 295 | } |
| 296 | |
| 297 | extern SDIOH_API_RC sdioh_interrupt_deregister(sdioh_info_t *sd) |
| 298 | { |
| 299 | sd_trace(("%s: Entering\n", __func__)); |
| 300 | |
| 301 | #if !defined(OOB_INTR_ONLY) |
| 302 | if (gInstance->func[1]) { |
| 303 | /* register and unmask irq */ |
| 304 | sdio_claim_host(gInstance->func[1]); |
| 305 | sdio_release_irq(gInstance->func[1]); |
| 306 | sdio_release_host(gInstance->func[1]); |
| 307 | } |
| 308 | |
| 309 | if (gInstance->func[2]) { |
| 310 | /* Claim host controller F2 */ |
| 311 | sdio_claim_host(gInstance->func[2]); |
| 312 | sdio_release_irq(gInstance->func[2]); |
| 313 | /* Release host controller F2 */ |
| 314 | sdio_release_host(gInstance->func[2]); |
| 315 | } |
| 316 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 317 | sd->intr_handler_valid = false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 318 | sd->intr_handler = NULL; |
| 319 | sd->intr_handler_arg = NULL; |
| 320 | #elif defined(HW_OOB) |
| 321 | sdioh_disable_func_intr(); |
| 322 | #endif /* !defined(OOB_INTR_ONLY) */ |
| 323 | return SDIOH_API_RC_SUCCESS; |
| 324 | } |
| 325 | |
| 326 | extern SDIOH_API_RC sdioh_interrupt_query(sdioh_info_t *sd, bool *onoff) |
| 327 | { |
| 328 | sd_trace(("%s: Entering\n", __func__)); |
| 329 | *onoff = sd->client_intr_enabled; |
| 330 | return SDIOH_API_RC_SUCCESS; |
| 331 | } |
| 332 | |
| 333 | #if defined(DHD_DEBUG) |
| 334 | extern bool sdioh_interrupt_pending(sdioh_info_t *sd) |
| 335 | { |
| 336 | return 0; |
| 337 | } |
| 338 | #endif |
| 339 | |
| 340 | uint sdioh_query_iofnum(sdioh_info_t *sd) |
| 341 | { |
| 342 | return sd->num_funcs; |
| 343 | } |
| 344 | |
| 345 | /* IOVar table */ |
| 346 | enum { |
| 347 | IOV_MSGLEVEL = 1, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 348 | IOV_BLOCKSIZE, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 349 | IOV_USEINTS, |
| 350 | IOV_NUMINTS, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 351 | IOV_DEVREG, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 352 | IOV_HCIREGS, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 353 | IOV_RXCHAIN |
| 354 | }; |
| 355 | |
| 356 | const bcm_iovar_t sdioh_iovars[] = { |
| 357 | {"sd_msglevel", IOV_MSGLEVEL, 0, IOVT_UINT32, 0}, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 358 | {"sd_blocksize", IOV_BLOCKSIZE, 0, IOVT_UINT32, 0},/* ((fn << 16) | |
| 359 | size) */ |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 360 | {"sd_ints", IOV_USEINTS, 0, IOVT_BOOL, 0}, |
| 361 | {"sd_numints", IOV_NUMINTS, 0, IOVT_UINT32, 0}, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 362 | {"sd_devreg", IOV_DEVREG, 0, IOVT_BUFFER, sizeof(sdreg_t)} |
| 363 | , |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 364 | {"sd_rxchain", IOV_RXCHAIN, 0, IOVT_BOOL, 0} |
| 365 | , |
| 366 | {NULL, 0, 0, 0, 0} |
| 367 | }; |
| 368 | |
| 369 | int |
| 370 | sdioh_iovar_op(sdioh_info_t *si, const char *name, |
| 371 | void *params, int plen, void *arg, int len, bool set) |
| 372 | { |
| 373 | const bcm_iovar_t *vi = NULL; |
| 374 | int bcmerror = 0; |
| 375 | int val_size; |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 376 | s32 int_val = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 377 | bool bool_val; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 378 | u32 actionid; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 379 | |
| 380 | ASSERT(name); |
| 381 | ASSERT(len >= 0); |
| 382 | |
| 383 | /* Get must have return space; Set does not take qualifiers */ |
| 384 | ASSERT(set || (arg && len)); |
| 385 | ASSERT(!set || (!params && !plen)); |
| 386 | |
| 387 | sd_trace(("%s: Enter (%s %s)\n", __func__, (set ? "set" : "get"), |
| 388 | name)); |
| 389 | |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 390 | vi = bcm_iovar_lookup(sdioh_iovars, name); |
| 391 | if (vi == NULL) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 392 | bcmerror = -ENOTSUPP; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 393 | goto exit; |
| 394 | } |
| 395 | |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 396 | bcmerror = bcm_iovar_lencheck(vi, arg, len, set); |
| 397 | if (bcmerror != 0) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 398 | goto exit; |
| 399 | |
| 400 | /* Set up params so get and set can share the convenience variables */ |
| 401 | if (params == NULL) { |
| 402 | params = arg; |
| 403 | plen = len; |
| 404 | } |
| 405 | |
| 406 | if (vi->type == IOVT_VOID) |
| 407 | val_size = 0; |
| 408 | else if (vi->type == IOVT_BUFFER) |
| 409 | val_size = len; |
| 410 | else |
| 411 | val_size = sizeof(int); |
| 412 | |
| 413 | if (plen >= (int)sizeof(int_val)) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 414 | memcpy(&int_val, params, sizeof(int_val)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 415 | |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 416 | bool_val = (int_val != 0) ? true : false; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 417 | |
| 418 | actionid = set ? IOV_SVAL(vi->varid) : IOV_GVAL(vi->varid); |
| 419 | switch (actionid) { |
| 420 | case IOV_GVAL(IOV_MSGLEVEL): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 421 | int_val = (s32) sd_msglevel; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 422 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 423 | break; |
| 424 | |
| 425 | case IOV_SVAL(IOV_MSGLEVEL): |
| 426 | sd_msglevel = int_val; |
| 427 | break; |
| 428 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 429 | case IOV_GVAL(IOV_BLOCKSIZE): |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 430 | if ((u32) int_val > si->num_funcs) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 431 | bcmerror = -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 432 | break; |
| 433 | } |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 434 | int_val = (s32) si->client_block_size[int_val]; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 435 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 436 | break; |
| 437 | |
| 438 | case IOV_SVAL(IOV_BLOCKSIZE): |
| 439 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 440 | uint func = ((u32) int_val >> 16); |
Greg Kroah-Hartman | 7d4df48 | 2010-10-07 17:04:47 -0700 | [diff] [blame] | 441 | uint blksize = (u16) int_val; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 442 | uint maxsize; |
| 443 | |
| 444 | if (func > si->num_funcs) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 445 | bcmerror = -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 446 | break; |
| 447 | } |
| 448 | |
| 449 | switch (func) { |
| 450 | case 0: |
| 451 | maxsize = 32; |
| 452 | break; |
| 453 | case 1: |
| 454 | maxsize = BLOCK_SIZE_4318; |
| 455 | break; |
| 456 | case 2: |
| 457 | maxsize = BLOCK_SIZE_4328; |
| 458 | break; |
| 459 | default: |
| 460 | maxsize = 0; |
| 461 | } |
| 462 | if (blksize > maxsize) { |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 463 | bcmerror = -EINVAL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 464 | break; |
| 465 | } |
| 466 | if (!blksize) |
| 467 | blksize = maxsize; |
| 468 | |
| 469 | /* Now set it */ |
| 470 | si->client_block_size[func] = blksize; |
| 471 | |
| 472 | break; |
| 473 | } |
| 474 | |
| 475 | case IOV_GVAL(IOV_RXCHAIN): |
Greg Kroah-Hartman | 0965ae8 | 2010-10-12 12:50:15 -0700 | [diff] [blame] | 476 | int_val = false; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 477 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 478 | break; |
| 479 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 480 | case IOV_GVAL(IOV_USEINTS): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 481 | int_val = (s32) si->use_client_ints; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 482 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 483 | break; |
| 484 | |
| 485 | case IOV_SVAL(IOV_USEINTS): |
| 486 | si->use_client_ints = (bool) int_val; |
| 487 | if (si->use_client_ints) |
| 488 | si->intmask |= CLIENT_INTR; |
| 489 | else |
| 490 | si->intmask &= ~CLIENT_INTR; |
| 491 | |
| 492 | break; |
| 493 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 494 | case IOV_GVAL(IOV_NUMINTS): |
Greg Kroah-Hartman | 3e26416 | 2010-10-08 11:11:13 -0700 | [diff] [blame] | 495 | int_val = (s32) si->intrcount; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 496 | memcpy(arg, &int_val, val_size); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 497 | break; |
| 498 | |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 499 | case IOV_GVAL(IOV_DEVREG): |
| 500 | { |
| 501 | sdreg_t *sd_ptr = (sdreg_t *) params; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 502 | u8 data = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 503 | |
| 504 | if (sdioh_cfg_read |
| 505 | (si, sd_ptr->func, sd_ptr->offset, &data)) { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 506 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 507 | break; |
| 508 | } |
| 509 | |
| 510 | int_val = (int)data; |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 511 | memcpy(arg, &int_val, sizeof(int_val)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 512 | break; |
| 513 | } |
| 514 | |
| 515 | case IOV_SVAL(IOV_DEVREG): |
| 516 | { |
| 517 | sdreg_t *sd_ptr = (sdreg_t *) params; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 518 | u8 data = (u8) sd_ptr->value; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 519 | |
| 520 | if (sdioh_cfg_write |
| 521 | (si, sd_ptr->func, sd_ptr->offset, &data)) { |
Roland Vossen | b74ac12 | 2011-05-03 11:35:20 +0200 | [diff] [blame] | 522 | bcmerror = -EIO; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 523 | break; |
| 524 | } |
| 525 | break; |
| 526 | } |
| 527 | |
| 528 | default: |
Roland Vossen | e10d82d | 2011-05-03 11:35:19 +0200 | [diff] [blame] | 529 | bcmerror = -ENOTSUPP; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 530 | break; |
| 531 | } |
| 532 | exit: |
| 533 | |
| 534 | return bcmerror; |
| 535 | } |
| 536 | |
| 537 | #if defined(OOB_INTR_ONLY) && defined(HW_OOB) |
| 538 | |
| 539 | SDIOH_API_RC sdioh_enable_hw_oob_intr(sdioh_info_t *sd, bool enable) |
| 540 | { |
| 541 | SDIOH_API_RC status; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 542 | u8 data; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 543 | |
| 544 | if (enable) |
| 545 | data = 3; /* enable hw oob interrupt */ |
| 546 | else |
| 547 | data = 4; /* disable hw oob interrupt */ |
| 548 | data |= 4; /* Active HIGH */ |
| 549 | |
| 550 | status = sdioh_request_byte(sd, SDIOH_WRITE, 0, 0xf2, &data); |
| 551 | return status; |
| 552 | } |
| 553 | #endif /* defined(OOB_INTR_ONLY) && defined(HW_OOB) */ |
| 554 | |
| 555 | extern SDIOH_API_RC |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 556 | 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] | 557 | { |
| 558 | SDIOH_API_RC status; |
| 559 | /* No lock needed since sdioh_request_byte does locking */ |
| 560 | status = sdioh_request_byte(sd, SDIOH_READ, fnc_num, addr, data); |
| 561 | return status; |
| 562 | } |
| 563 | |
| 564 | extern SDIOH_API_RC |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 565 | 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] | 566 | { |
| 567 | /* No lock needed since sdioh_request_byte does locking */ |
| 568 | SDIOH_API_RC status; |
| 569 | status = sdioh_request_byte(sd, SDIOH_WRITE, fnc_num, addr, data); |
| 570 | return status; |
| 571 | } |
| 572 | |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 573 | static int sdioh_sdmmc_get_cisaddr(sdioh_info_t *sd, u32 regaddr) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 574 | { |
| 575 | /* read 24 bits and return valid 17 bit addr */ |
| 576 | int i; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 577 | u32 scratch, regdata; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 578 | u8 *ptr = (u8 *)&scratch; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 579 | for (i = 0; i < 3; i++) { |
| 580 | if ((sdioh_sdmmc_card_regread(sd, 0, regaddr, 1, ®data)) != |
| 581 | SUCCESS) |
| 582 | sd_err(("%s: Can't read!\n", __func__)); |
| 583 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 584 | *ptr++ = (u8) regdata; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 585 | regaddr++; |
| 586 | } |
| 587 | |
| 588 | /* Only the lower 17-bits are valid */ |
Stanislav Fomichev | 628f10b | 2011-02-20 21:43:32 +0300 | [diff] [blame] | 589 | scratch = le32_to_cpu(scratch); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 590 | scratch &= 0x0001FFFF; |
| 591 | return scratch; |
| 592 | } |
| 593 | |
| 594 | extern SDIOH_API_RC |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 595 | 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] | 596 | { |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 597 | u32 count; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 598 | int offset; |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 599 | u32 foo; |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 600 | u8 *cis = cisd; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 601 | |
| 602 | sd_trace(("%s: Func = %d\n", __func__, func)); |
| 603 | |
| 604 | if (!sd->func_cis_ptr[func]) { |
Brett Rudley | 9249ede | 2010-11-30 20:09:49 -0800 | [diff] [blame] | 605 | memset(cis, 0, length); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 606 | sd_err(("%s: no func_cis_ptr[%d]\n", __func__, func)); |
| 607 | return SDIOH_API_RC_FAIL; |
| 608 | } |
| 609 | |
| 610 | sd_err(("%s: func_cis_ptr[%d]=0x%04x\n", __func__, func, |
| 611 | sd->func_cis_ptr[func])); |
| 612 | |
| 613 | for (count = 0; count < length; count++) { |
| 614 | offset = sd->func_cis_ptr[func] + count; |
| 615 | if (sdioh_sdmmc_card_regread(sd, 0, offset, 1, &foo) < 0) { |
| 616 | sd_err(("%s: regread failed: Can't read CIS\n", |
| 617 | __func__)); |
| 618 | return SDIOH_API_RC_FAIL; |
| 619 | } |
| 620 | |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 621 | *cis = (u8) (foo & 0xff); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 622 | cis++; |
| 623 | } |
| 624 | |
| 625 | return SDIOH_API_RC_SUCCESS; |
| 626 | } |
| 627 | |
| 628 | extern SDIOH_API_RC |
| 629 | 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] | 630 | u8 *byte) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 631 | { |
| 632 | int err_ret; |
| 633 | |
| 634 | sd_info(("%s: rw=%d, func=%d, addr=0x%05x\n", __func__, rw, func, |
| 635 | regaddr)); |
| 636 | |
| 637 | DHD_PM_RESUME_WAIT(sdioh_request_byte_wait); |
| 638 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 639 | if (rw) { /* CMD52 Write */ |
| 640 | if (func == 0) { |
| 641 | /* Can only directly write to some F0 registers. |
| 642 | * Handle F2 enable |
| 643 | * as a special case. |
| 644 | */ |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 645 | if (regaddr == SDIO_CCCR_IOEx) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 646 | if (gInstance->func[2]) { |
| 647 | sdio_claim_host(gInstance->func[2]); |
| 648 | if (*byte & SDIO_FUNC_ENABLE_2) { |
| 649 | /* Enable Function 2 */ |
| 650 | err_ret = |
| 651 | sdio_enable_func |
| 652 | (gInstance->func[2]); |
| 653 | if (err_ret) |
| 654 | sd_err(("bcmsdh_sdmmc: enable F2 failed:%d", |
| 655 | err_ret)); |
| 656 | } else { |
| 657 | /* Disable Function 2 */ |
| 658 | err_ret = |
| 659 | sdio_disable_func |
| 660 | (gInstance->func[2]); |
| 661 | if (err_ret) |
| 662 | sd_err(("bcmsdh_sdmmc: Disab F2 failed:%d", |
| 663 | err_ret)); |
| 664 | } |
| 665 | sdio_release_host(gInstance->func[2]); |
| 666 | } |
| 667 | } |
| 668 | #if defined(MMC_SDIO_ABORT) |
| 669 | /* to allow abort command through F1 */ |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 670 | else if (regaddr == SDIO_CCCR_ABORT) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 671 | sdio_claim_host(gInstance->func[func]); |
| 672 | /* |
| 673 | * this sdio_f0_writeb() can be replaced |
| 674 | * with another api |
| 675 | * depending upon MMC driver change. |
| 676 | * As of this time, this is temporaray one |
| 677 | */ |
| 678 | sdio_writeb(gInstance->func[func], *byte, |
| 679 | regaddr, &err_ret); |
| 680 | sdio_release_host(gInstance->func[func]); |
| 681 | } |
| 682 | #endif /* MMC_SDIO_ABORT */ |
| 683 | else if (regaddr < 0xF0) { |
| 684 | sd_err(("bcmsdh_sdmmc: F0 Wr:0x%02x: write " |
| 685 | "disallowed\n", regaddr)); |
| 686 | } else { |
| 687 | /* Claim host controller, perform F0 write, |
| 688 | and release */ |
| 689 | sdio_claim_host(gInstance->func[func]); |
| 690 | sdio_f0_writeb(gInstance->func[func], *byte, |
| 691 | regaddr, &err_ret); |
| 692 | sdio_release_host(gInstance->func[func]); |
| 693 | } |
| 694 | } else { |
| 695 | /* Claim host controller, perform Fn write, |
| 696 | and release */ |
| 697 | sdio_claim_host(gInstance->func[func]); |
| 698 | sdio_writeb(gInstance->func[func], *byte, regaddr, |
| 699 | &err_ret); |
| 700 | sdio_release_host(gInstance->func[func]); |
| 701 | } |
| 702 | } else { /* CMD52 Read */ |
| 703 | /* Claim host controller, perform Fn read, and release */ |
| 704 | sdio_claim_host(gInstance->func[func]); |
| 705 | |
| 706 | if (func == 0) { |
| 707 | *byte = |
| 708 | sdio_f0_readb(gInstance->func[func], regaddr, |
| 709 | &err_ret); |
| 710 | } else { |
| 711 | *byte = |
| 712 | sdio_readb(gInstance->func[func], regaddr, |
| 713 | &err_ret); |
| 714 | } |
| 715 | |
| 716 | sdio_release_host(gInstance->func[func]); |
| 717 | } |
| 718 | |
| 719 | if (err_ret) |
| 720 | sd_err(("bcmsdh_sdmmc: Failed to %s byte F%d:@0x%05x=%02x, " |
| 721 | "Err: %d\n", rw ? "Write" : "Read", func, regaddr, |
| 722 | *byte, err_ret)); |
| 723 | |
| 724 | return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL); |
| 725 | } |
| 726 | |
| 727 | extern SDIOH_API_RC |
| 728 | 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] | 729 | uint addr, u32 *word, uint nbytes) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 730 | { |
| 731 | int err_ret = SDIOH_API_RC_FAIL; |
| 732 | |
| 733 | if (func == 0) { |
| 734 | sd_err(("%s: Only CMD52 allowed to F0.\n", __func__)); |
| 735 | return SDIOH_API_RC_FAIL; |
| 736 | } |
| 737 | |
| 738 | sd_info(("%s: cmd_type=%d, rw=%d, func=%d, addr=0x%05x, nbytes=%d\n", |
| 739 | __func__, cmd_type, rw, func, addr, nbytes)); |
| 740 | |
| 741 | DHD_PM_RESUME_WAIT(sdioh_request_word_wait); |
| 742 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 743 | /* Claim host controller */ |
| 744 | sdio_claim_host(gInstance->func[func]); |
| 745 | |
| 746 | if (rw) { /* CMD52 Write */ |
| 747 | if (nbytes == 4) { |
| 748 | sdio_writel(gInstance->func[func], *word, addr, |
| 749 | &err_ret); |
| 750 | } else if (nbytes == 2) { |
| 751 | sdio_writew(gInstance->func[func], (*word & 0xFFFF), |
| 752 | addr, &err_ret); |
| 753 | } else { |
| 754 | sd_err(("%s: Invalid nbytes: %d\n", __func__, nbytes)); |
| 755 | } |
| 756 | } else { /* CMD52 Read */ |
| 757 | if (nbytes == 4) { |
| 758 | *word = |
| 759 | sdio_readl(gInstance->func[func], addr, &err_ret); |
| 760 | } else if (nbytes == 2) { |
| 761 | *word = |
| 762 | sdio_readw(gInstance->func[func], addr, |
| 763 | &err_ret) & 0xFFFF; |
| 764 | } else { |
| 765 | sd_err(("%s: Invalid nbytes: %d\n", __func__, nbytes)); |
| 766 | } |
| 767 | } |
| 768 | |
| 769 | /* Release host controller */ |
| 770 | sdio_release_host(gInstance->func[func]); |
| 771 | |
| 772 | if (err_ret) { |
| 773 | sd_err(("bcmsdh_sdmmc: Failed to %s word, Err: 0x%08x", |
| 774 | rw ? "Write" : "Read", err_ret)); |
| 775 | } |
| 776 | |
| 777 | return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL); |
| 778 | } |
| 779 | |
| 780 | static SDIOH_API_RC |
| 781 | sdioh_request_packet(sdioh_info_t *sd, uint fix_inc, uint write, uint func, |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 782 | uint addr, struct sk_buff *pkt) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 783 | { |
| 784 | bool fifo = (fix_inc == SDIOH_DATA_FIX); |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 785 | u32 SGCount = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 786 | int err_ret = 0; |
| 787 | |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 788 | struct sk_buff *pnext; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 789 | |
| 790 | sd_trace(("%s: Enter\n", __func__)); |
| 791 | |
| 792 | ASSERT(pkt); |
| 793 | DHD_PM_RESUME_WAIT(sdioh_request_packet_wait); |
| 794 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 795 | |
| 796 | /* Claim host controller */ |
| 797 | sdio_claim_host(gInstance->func[func]); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 798 | for (pnext = pkt; pnext; pnext = pnext->next) { |
| 799 | uint pkt_len = pnext->len; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 800 | pkt_len += 3; |
| 801 | pkt_len &= 0xFFFFFFFC; |
| 802 | |
| 803 | #ifdef CONFIG_MMC_MSM7X00A |
| 804 | if ((pkt_len % 64) == 32) { |
| 805 | sd_trace(("%s: Rounding up TX packet +=32\n", |
| 806 | __func__)); |
| 807 | pkt_len += 32; |
| 808 | } |
| 809 | #endif /* CONFIG_MMC_MSM7X00A */ |
| 810 | /* Make sure the packet is aligned properly. |
| 811 | * If it isn't, then this |
| 812 | * is the fault of sdioh_request_buffer() which |
| 813 | * is supposed to give |
| 814 | * us something we can work with. |
| 815 | */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 816 | ASSERT(((u32) (pkt->data) & DMA_ALIGN_MASK) == 0); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 817 | |
| 818 | if ((write) && (!fifo)) { |
| 819 | err_ret = sdio_memcpy_toio(gInstance->func[func], addr, |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 820 | ((u8 *) (pnext->data)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 821 | pkt_len); |
| 822 | } else if (write) { |
| 823 | err_ret = sdio_memcpy_toio(gInstance->func[func], addr, |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 824 | ((u8 *) (pnext->data)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 825 | pkt_len); |
| 826 | } else if (fifo) { |
| 827 | err_ret = sdio_readsb(gInstance->func[func], |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 828 | ((u8 *) (pnext->data)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 829 | addr, pkt_len); |
| 830 | } else { |
| 831 | err_ret = sdio_memcpy_fromio(gInstance->func[func], |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 832 | ((u8 *) (pnext->data)), |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 833 | addr, pkt_len); |
| 834 | } |
| 835 | |
| 836 | if (err_ret) { |
| 837 | 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] | 838 | "ERR=0x%08x\n", __func__, |
| 839 | (write) ? "TX" : "RX", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 840 | pnext, SGCount, addr, pkt_len, err_ret)); |
| 841 | } else { |
| 842 | sd_trace(("%s: %s xfr'd %p[%d], addr=0x%05x, len=%d\n", |
| 843 | __func__, |
| 844 | (write) ? "TX" : "RX", |
| 845 | pnext, SGCount, addr, pkt_len)); |
| 846 | } |
| 847 | |
| 848 | if (!fifo) |
| 849 | addr += pkt_len; |
| 850 | SGCount++; |
| 851 | |
| 852 | } |
| 853 | |
| 854 | /* Release host controller */ |
| 855 | sdio_release_host(gInstance->func[func]); |
| 856 | |
| 857 | sd_trace(("%s: Exit\n", __func__)); |
| 858 | return ((err_ret == 0) ? SDIOH_API_RC_SUCCESS : SDIOH_API_RC_FAIL); |
| 859 | } |
| 860 | |
| 861 | /* |
| 862 | * This function takes a buffer or packet, and fixes everything up |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 863 | * so that in the end, a DMA-able packet is created. |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 864 | * |
| 865 | * A buffer does not have an associated packet pointer, |
| 866 | * and may or may not be aligned. |
| 867 | * A packet may consist of a single packet, or a packet chain. |
Grant Grundler | 4b455e0 | 2011-05-04 09:59:47 -0700 | [diff] [blame] | 868 | * If it is a packet chain, then all the packets in the chain |
| 869 | * must be properly aligned. |
| 870 | * |
| 871 | * If the packet data is not aligned, then there may only be |
| 872 | * one packet, and in this case, it is copied to a new |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 873 | * aligned packet. |
| 874 | * |
| 875 | */ |
| 876 | extern SDIOH_API_RC |
| 877 | sdioh_request_buffer(sdioh_info_t *sd, uint pio_dma, uint fix_inc, uint write, |
| 878 | uint func, uint addr, uint reg_width, uint buflen_u, |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 879 | u8 *buffer, struct sk_buff *pkt) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 880 | { |
| 881 | SDIOH_API_RC Status; |
Arend van Spriel | c26b137 | 2010-11-23 14:06:23 +0100 | [diff] [blame] | 882 | struct sk_buff *mypkt = NULL; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 883 | |
| 884 | sd_trace(("%s: Enter\n", __func__)); |
| 885 | |
| 886 | DHD_PM_RESUME_WAIT(sdioh_request_buffer_wait); |
| 887 | DHD_PM_RESUME_RETURN_ERROR(SDIOH_API_RC_FAIL); |
| 888 | /* Case 1: we don't have a packet. */ |
| 889 | if (pkt == NULL) { |
| 890 | sd_data(("%s: Creating new %s Packet, len=%d\n", |
| 891 | __func__, write ? "TX" : "RX", buflen_u)); |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 892 | mypkt = bcm_pkt_buf_get_skb(buflen_u); |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 893 | if (!mypkt) { |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 894 | sd_err(("%s: bcm_pkt_buf_get_skb failed: len %d\n", |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 895 | __func__, buflen_u)); |
| 896 | return SDIOH_API_RC_FAIL; |
| 897 | } |
| 898 | |
| 899 | /* For a write, copy the buffer data into the packet. */ |
| 900 | if (write) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 901 | memcpy(mypkt->data, buffer, buflen_u); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 902 | |
| 903 | Status = |
| 904 | sdioh_request_packet(sd, fix_inc, write, func, addr, mypkt); |
| 905 | |
| 906 | /* For a read, copy the packet data back to the buffer. */ |
| 907 | if (!write) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 908 | memcpy(buffer, mypkt->data, buflen_u); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 909 | |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 910 | bcm_pkt_buf_free_skb(mypkt); |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 911 | } else if (((u32) (pkt->data) & DMA_ALIGN_MASK) != 0) { |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 912 | /* Case 2: We have a packet, but it is unaligned. */ |
| 913 | |
| 914 | /* In this case, we cannot have a chain. */ |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 915 | ASSERT(pkt->next == NULL); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 916 | |
| 917 | sd_data(("%s: Creating aligned %s Packet, len=%d\n", |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 918 | __func__, write ? "TX" : "RX", pkt->len)); |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 919 | mypkt = bcm_pkt_buf_get_skb(pkt->len); |
Jason Cooper | a1b04b0 | 2010-09-30 15:15:37 -0400 | [diff] [blame] | 920 | if (!mypkt) { |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 921 | sd_err(("%s: bcm_pkt_buf_get_skb failed: len %d\n", |
Arend van Spriel | 54991ad | 2010-11-23 14:06:24 +0100 | [diff] [blame] | 922 | __func__, pkt->len)); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 923 | return SDIOH_API_RC_FAIL; |
| 924 | } |
| 925 | |
| 926 | /* For a write, copy the buffer data into the packet. */ |
| 927 | if (write) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 928 | memcpy(mypkt->data, pkt->data, pkt->len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 929 | |
| 930 | Status = |
| 931 | sdioh_request_packet(sd, fix_inc, write, func, addr, mypkt); |
| 932 | |
| 933 | /* For a read, copy the packet data back to the buffer. */ |
| 934 | if (!write) |
Stanislav Fomichev | 0216069 | 2011-02-15 01:05:10 +0300 | [diff] [blame] | 935 | memcpy(pkt->data, mypkt->data, mypkt->len); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 936 | |
Henry Ptasinski | b33f0e2 | 2011-05-10 22:25:29 +0200 | [diff] [blame] | 937 | bcm_pkt_buf_free_skb(mypkt); |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 938 | } else { /* case 3: We have a packet and |
| 939 | it is aligned. */ |
| 940 | sd_data(("%s: Aligned %s Packet, direct DMA\n", |
| 941 | __func__, write ? "Tx" : "Rx")); |
| 942 | Status = |
| 943 | sdioh_request_packet(sd, fix_inc, write, func, addr, pkt); |
| 944 | } |
| 945 | |
| 946 | return Status; |
| 947 | } |
| 948 | |
| 949 | /* this function performs "abort" for both of host & device */ |
| 950 | extern int sdioh_abort(sdioh_info_t *sd, uint func) |
| 951 | { |
| 952 | #if defined(MMC_SDIO_ABORT) |
| 953 | char t_func = (char)func; |
| 954 | #endif /* defined(MMC_SDIO_ABORT) */ |
| 955 | sd_trace(("%s: Enter\n", __func__)); |
| 956 | |
| 957 | #if defined(MMC_SDIO_ABORT) |
Franky Lin | 0df4604 | 2011-06-01 13:45:40 +0200 | [diff] [blame^] | 958 | /* issue abort cmd52 command through F0 */ |
| 959 | sdioh_request_byte(sd, SDIOH_WRITE, SDIO_FUNC_0, SDIO_CCCR_ABORT, |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 960 | &t_func); |
| 961 | #endif /* defined(MMC_SDIO_ABORT) */ |
| 962 | |
| 963 | sd_trace(("%s: Exit\n", __func__)); |
| 964 | return SDIOH_API_RC_SUCCESS; |
| 965 | } |
| 966 | |
| 967 | /* Reset and re-initialize the device */ |
| 968 | int sdioh_sdio_reset(sdioh_info_t *si) |
| 969 | { |
| 970 | sd_trace(("%s: Enter\n", __func__)); |
| 971 | sd_trace(("%s: Exit\n", __func__)); |
| 972 | return SDIOH_API_RC_SUCCESS; |
| 973 | } |
| 974 | |
| 975 | /* Disable device interrupt */ |
| 976 | void sdioh_sdmmc_devintr_off(sdioh_info_t *sd) |
| 977 | { |
| 978 | sd_trace(("%s: %d\n", __func__, sd->use_client_ints)); |
| 979 | sd->intmask &= ~CLIENT_INTR; |
| 980 | } |
| 981 | |
| 982 | /* Enable device interrupt */ |
| 983 | void sdioh_sdmmc_devintr_on(sdioh_info_t *sd) |
| 984 | { |
| 985 | sd_trace(("%s: %d\n", __func__, sd->use_client_ints)); |
| 986 | sd->intmask |= CLIENT_INTR; |
| 987 | } |
| 988 | |
| 989 | /* Read client card reg */ |
| 990 | int |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 991 | sdioh_sdmmc_card_regread(sdioh_info_t *sd, int func, u32 regaddr, |
| 992 | int regsize, u32 *data) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 993 | { |
| 994 | |
| 995 | if ((func == 0) || (regsize == 1)) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 996 | u8 temp = 0; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 997 | |
| 998 | sdioh_request_byte(sd, SDIOH_READ, func, regaddr, &temp); |
| 999 | *data = temp; |
| 1000 | *data &= 0xff; |
| 1001 | sd_data(("%s: byte read data=0x%02x\n", __func__, *data)); |
| 1002 | } else { |
| 1003 | sdioh_request_word(sd, 0, SDIOH_READ, func, regaddr, data, |
| 1004 | regsize); |
| 1005 | if (regsize == 2) |
| 1006 | *data &= 0xffff; |
| 1007 | |
| 1008 | sd_data(("%s: word read data=0x%08x\n", __func__, *data)); |
| 1009 | } |
| 1010 | |
| 1011 | return SUCCESS; |
| 1012 | } |
| 1013 | |
| 1014 | #if !defined(OOB_INTR_ONLY) |
| 1015 | /* bcmsdh_sdmmc interrupt handler */ |
| 1016 | static void IRQHandler(struct sdio_func *func) |
| 1017 | { |
| 1018 | sdioh_info_t *sd; |
| 1019 | |
| 1020 | sd_trace(("bcmsdh_sdmmc: ***IRQHandler\n")); |
| 1021 | sd = gInstance->sd; |
| 1022 | |
| 1023 | ASSERT(sd != NULL); |
| 1024 | sdio_release_host(gInstance->func[0]); |
| 1025 | |
| 1026 | if (sd->use_client_ints) { |
| 1027 | sd->intrcount++; |
| 1028 | ASSERT(sd->intr_handler); |
| 1029 | ASSERT(sd->intr_handler_arg); |
| 1030 | (sd->intr_handler) (sd->intr_handler_arg); |
| 1031 | } else { |
| 1032 | sd_err(("bcmsdh_sdmmc: ***IRQHandler\n")); |
| 1033 | |
| 1034 | sd_err(("%s: Not ready for intr: enabled %d, handler %p\n", |
| 1035 | __func__, sd->client_intr_enabled, sd->intr_handler)); |
| 1036 | } |
| 1037 | |
| 1038 | sdio_claim_host(gInstance->func[0]); |
| 1039 | } |
| 1040 | |
| 1041 | /* bcmsdh_sdmmc interrupt handler for F2 (dummy handler) */ |
| 1042 | static void IRQHandlerF2(struct sdio_func *func) |
| 1043 | { |
| 1044 | sdioh_info_t *sd; |
| 1045 | |
| 1046 | sd_trace(("bcmsdh_sdmmc: ***IRQHandlerF2\n")); |
| 1047 | |
| 1048 | sd = gInstance->sd; |
| 1049 | |
| 1050 | ASSERT(sd != NULL); |
| 1051 | } |
| 1052 | #endif /* !defined(OOB_INTR_ONLY) */ |
| 1053 | |
| 1054 | #ifdef NOTUSED |
| 1055 | /* Write client card reg */ |
| 1056 | static int |
Greg Kroah-Hartman | 66cbd3a | 2010-10-08 11:05:47 -0700 | [diff] [blame] | 1057 | sdioh_sdmmc_card_regwrite(sdioh_info_t *sd, int func, u32 regaddr, |
| 1058 | int regsize, u32 data) |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1059 | { |
| 1060 | |
| 1061 | if ((func == 0) || (regsize == 1)) { |
Greg Kroah-Hartman | 3fd79f7 | 2010-10-05 10:11:12 -0700 | [diff] [blame] | 1062 | u8 temp; |
Henry Ptasinski | cf2b448 | 2010-09-20 22:33:12 -0700 | [diff] [blame] | 1063 | |
| 1064 | temp = data & 0xff; |
| 1065 | sdioh_request_byte(sd, SDIOH_READ, func, regaddr, &temp); |
| 1066 | sd_data(("%s: byte write data=0x%02x\n", __func__, data)); |
| 1067 | } else { |
| 1068 | if (regsize == 2) |
| 1069 | data &= 0xffff; |
| 1070 | |
| 1071 | sdioh_request_word(sd, 0, SDIOH_READ, func, regaddr, &data, |
| 1072 | regsize); |
| 1073 | |
| 1074 | sd_data(("%s: word write data=0x%08x\n", __func__, data)); |
| 1075 | } |
| 1076 | |
| 1077 | return SUCCESS; |
| 1078 | } |
| 1079 | #endif /* NOTUSED */ |
| 1080 | |
| 1081 | int sdioh_start(sdioh_info_t *si, int stage) |
| 1082 | { |
| 1083 | return 0; |
| 1084 | } |
| 1085 | |
| 1086 | int sdioh_stop(sdioh_info_t *si) |
| 1087 | { |
| 1088 | return 0; |
| 1089 | } |