Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1 | /* Driver for Realtek PCI-Express card reader |
| 2 | * |
| 3 | * Copyright(c) 2009-2013 Realtek Semiconductor Corp. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2, or (at your option) any |
| 8 | * later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU General Public License along |
| 16 | * with this program; if not, see <http://www.gnu.org/licenses/>. |
| 17 | * |
| 18 | * Author: |
| 19 | * Wei WANG (wei_wang@realsil.com.cn) |
| 20 | * Micky Ching (micky_ching@realsil.com.cn) |
| 21 | */ |
| 22 | |
| 23 | #include <linux/blkdev.h> |
| 24 | #include <linux/kthread.h> |
| 25 | #include <linux/sched.h> |
| 26 | #include <linux/workqueue.h> |
| 27 | #include <linux/vmalloc.h> |
| 28 | |
| 29 | #include "rtsx.h" |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 30 | #include "sd.h" |
| 31 | #include "xd.h" |
| 32 | #include "ms.h" |
| 33 | |
| 34 | static void rtsx_calibration(struct rtsx_chip *chip) |
| 35 | { |
| 36 | rtsx_write_phy_register(chip, 0x1B, 0x135E); |
| 37 | wait_timeout(10); |
| 38 | rtsx_write_phy_register(chip, 0x00, 0x0280); |
| 39 | rtsx_write_phy_register(chip, 0x01, 0x7112); |
| 40 | rtsx_write_phy_register(chip, 0x01, 0x7110); |
| 41 | rtsx_write_phy_register(chip, 0x01, 0x7112); |
| 42 | rtsx_write_phy_register(chip, 0x01, 0x7113); |
| 43 | rtsx_write_phy_register(chip, 0x00, 0x0288); |
| 44 | } |
| 45 | |
| 46 | void rtsx_disable_card_int(struct rtsx_chip *chip) |
| 47 | { |
| 48 | u32 reg = rtsx_readl(chip, RTSX_BIER); |
| 49 | |
| 50 | reg &= ~(XD_INT_EN | SD_INT_EN | MS_INT_EN); |
| 51 | rtsx_writel(chip, RTSX_BIER, reg); |
| 52 | } |
| 53 | |
| 54 | void rtsx_enable_card_int(struct rtsx_chip *chip) |
| 55 | { |
| 56 | u32 reg = rtsx_readl(chip, RTSX_BIER); |
| 57 | int i; |
| 58 | |
| 59 | for (i = 0; i <= chip->max_lun; i++) { |
| 60 | if (chip->lun2card[i] & XD_CARD) |
| 61 | reg |= XD_INT_EN; |
| 62 | if (chip->lun2card[i] & SD_CARD) |
| 63 | reg |= SD_INT_EN; |
| 64 | if (chip->lun2card[i] & MS_CARD) |
| 65 | reg |= MS_INT_EN; |
| 66 | } |
| 67 | if (chip->hw_bypass_sd) |
| 68 | reg &= ~((u32)SD_INT_EN); |
| 69 | |
| 70 | rtsx_writel(chip, RTSX_BIER, reg); |
| 71 | } |
| 72 | |
| 73 | void rtsx_enable_bus_int(struct rtsx_chip *chip) |
| 74 | { |
| 75 | u32 reg = 0; |
| 76 | #ifndef DISABLE_CARD_INT |
| 77 | int i; |
| 78 | #endif |
| 79 | |
| 80 | reg = TRANS_OK_INT_EN | TRANS_FAIL_INT_EN; |
| 81 | |
| 82 | #ifndef DISABLE_CARD_INT |
| 83 | for (i = 0; i <= chip->max_lun; i++) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 84 | dev_dbg(rtsx_dev(chip), "lun2card[%d] = 0x%02x\n", |
| 85 | i, chip->lun2card[i]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 86 | |
| 87 | if (chip->lun2card[i] & XD_CARD) |
| 88 | reg |= XD_INT_EN; |
| 89 | if (chip->lun2card[i] & SD_CARD) |
| 90 | reg |= SD_INT_EN; |
| 91 | if (chip->lun2card[i] & MS_CARD) |
| 92 | reg |= MS_INT_EN; |
| 93 | } |
| 94 | if (chip->hw_bypass_sd) |
| 95 | reg &= ~((u32)SD_INT_EN); |
| 96 | #endif |
| 97 | |
| 98 | if (chip->ic_version >= IC_VER_C) |
| 99 | reg |= DELINK_INT_EN; |
| 100 | #ifdef SUPPORT_OCP |
Micky Ching | bf2ec0f | 2014-04-02 17:58:52 +0800 | [diff] [blame] | 101 | reg |= OC_INT_EN; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 102 | #endif |
| 103 | if (!chip->adma_mode) |
| 104 | reg |= DATA_DONE_INT_EN; |
| 105 | |
| 106 | /* Enable Bus Interrupt */ |
| 107 | rtsx_writel(chip, RTSX_BIER, reg); |
| 108 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 109 | dev_dbg(rtsx_dev(chip), "RTSX_BIER: 0x%08x\n", reg); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | void rtsx_disable_bus_int(struct rtsx_chip *chip) |
| 113 | { |
| 114 | rtsx_writel(chip, RTSX_BIER, 0); |
| 115 | } |
| 116 | |
| 117 | static int rtsx_pre_handle_sdio_old(struct rtsx_chip *chip) |
| 118 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 119 | int retval; |
| 120 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 121 | if (chip->ignore_sd && CHK_SDIO_EXIST(chip)) { |
| 122 | if (chip->asic_code) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 123 | retval = rtsx_write_register(chip, CARD_PULL_CTL5, |
| 124 | 0xFF, |
| 125 | MS_INS_PU | SD_WP_PU | SD_CD_PU | SD_CMD_PU); |
| 126 | if (retval) { |
| 127 | rtsx_trace(chip); |
| 128 | return retval; |
| 129 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 130 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 131 | retval = rtsx_write_register(chip, FPGA_PULL_CTL, |
| 132 | 0xFF, |
| 133 | FPGA_SD_PULL_CTL_EN); |
| 134 | if (retval) { |
| 135 | rtsx_trace(chip); |
| 136 | return retval; |
| 137 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 138 | } |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 139 | retval = rtsx_write_register(chip, CARD_SHARE_MODE, 0xFF, |
| 140 | CARD_SHARE_48_SD); |
| 141 | if (retval) { |
| 142 | rtsx_trace(chip); |
| 143 | return retval; |
| 144 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 145 | |
| 146 | /* Enable SDIO internal clock */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 147 | retval = rtsx_write_register(chip, 0xFF2C, 0x01, 0x01); |
| 148 | if (retval) { |
| 149 | rtsx_trace(chip); |
| 150 | return retval; |
| 151 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 152 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 153 | retval = rtsx_write_register(chip, SDIO_CTRL, 0xFF, |
| 154 | SDIO_BUS_CTRL | SDIO_CD_CTRL); |
| 155 | if (retval) { |
| 156 | rtsx_trace(chip); |
| 157 | return retval; |
| 158 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 159 | |
| 160 | chip->sd_int = 1; |
| 161 | chip->sd_io = 1; |
| 162 | } else { |
| 163 | chip->need_reset |= SD_CARD; |
| 164 | } |
| 165 | |
| 166 | return STATUS_SUCCESS; |
| 167 | } |
| 168 | |
| 169 | #ifdef HW_AUTO_SWITCH_SD_BUS |
| 170 | static int rtsx_pre_handle_sdio_new(struct rtsx_chip *chip) |
| 171 | { |
| 172 | u8 tmp; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 173 | bool sw_bypass_sd = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 174 | int retval; |
| 175 | |
| 176 | if (chip->driver_first_load) { |
| 177 | if (CHECK_PID(chip, 0x5288)) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 178 | retval = rtsx_read_register(chip, 0xFE5A, &tmp); |
| 179 | if (retval) { |
| 180 | rtsx_trace(chip); |
| 181 | return retval; |
| 182 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 183 | if (tmp & 0x08) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 184 | sw_bypass_sd = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 185 | } else if (CHECK_PID(chip, 0x5208)) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 186 | retval = rtsx_read_register(chip, 0xFE70, &tmp); |
| 187 | if (retval) { |
| 188 | rtsx_trace(chip); |
| 189 | return retval; |
| 190 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 191 | if (tmp & 0x80) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 192 | sw_bypass_sd = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 193 | } |
| 194 | } else { |
| 195 | if (chip->sdio_in_charge) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 196 | sw_bypass_sd = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 197 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 198 | dev_dbg(rtsx_dev(chip), "chip->sdio_in_charge = %d\n", |
| 199 | chip->sdio_in_charge); |
| 200 | dev_dbg(rtsx_dev(chip), "chip->driver_first_load = %d\n", |
| 201 | chip->driver_first_load); |
| 202 | dev_dbg(rtsx_dev(chip), "sw_bypass_sd = %d\n", |
| 203 | sw_bypass_sd); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 204 | |
| 205 | if (sw_bypass_sd) { |
| 206 | u8 cd_toggle_mask = 0; |
| 207 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 208 | retval = rtsx_read_register(chip, TLPTISTAT, &tmp); |
| 209 | if (retval) { |
| 210 | rtsx_trace(chip); |
| 211 | return retval; |
| 212 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 213 | cd_toggle_mask = 0x08; |
| 214 | |
| 215 | if (tmp & cd_toggle_mask) { |
| 216 | /* Disable sdio_bus_auto_switch */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 217 | if (CHECK_PID(chip, 0x5288)) { |
| 218 | retval = rtsx_write_register(chip, 0xFE5A, |
| 219 | 0x08, 0x00); |
| 220 | if (retval) { |
| 221 | rtsx_trace(chip); |
| 222 | return retval; |
| 223 | } |
| 224 | } else if (CHECK_PID(chip, 0x5208)) { |
| 225 | retval = rtsx_write_register(chip, 0xFE70, |
| 226 | 0x80, 0x00); |
| 227 | if (retval) { |
| 228 | rtsx_trace(chip); |
| 229 | return retval; |
| 230 | } |
| 231 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 232 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 233 | retval = rtsx_write_register(chip, TLPTISTAT, 0xFF, |
| 234 | tmp); |
| 235 | if (retval) { |
| 236 | rtsx_trace(chip); |
| 237 | return retval; |
| 238 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 239 | |
| 240 | chip->need_reset |= SD_CARD; |
| 241 | } else { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 242 | dev_dbg(rtsx_dev(chip), "Chip inserted with SDIO!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 243 | |
| 244 | if (chip->asic_code) { |
| 245 | retval = sd_pull_ctl_enable(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 246 | if (retval != STATUS_SUCCESS) { |
| 247 | rtsx_trace(chip); |
| 248 | return STATUS_FAIL; |
| 249 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 250 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 251 | retval = rtsx_write_register(chip, |
| 252 | FPGA_PULL_CTL, |
| 253 | FPGA_SD_PULL_CTL_BIT | 0x20, |
| 254 | 0); |
| 255 | if (retval) { |
| 256 | rtsx_trace(chip); |
| 257 | return retval; |
| 258 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 259 | } |
| 260 | retval = card_share_mode(chip, SD_CARD); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 261 | if (retval != STATUS_SUCCESS) { |
| 262 | rtsx_trace(chip); |
| 263 | return STATUS_FAIL; |
| 264 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 265 | |
| 266 | /* Enable sdio_bus_auto_switch */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 267 | if (CHECK_PID(chip, 0x5288)) { |
| 268 | retval = rtsx_write_register(chip, 0xFE5A, |
| 269 | 0x08, 0x08); |
| 270 | if (retval) { |
| 271 | rtsx_trace(chip); |
| 272 | return retval; |
| 273 | } |
| 274 | } else if (CHECK_PID(chip, 0x5208)) { |
| 275 | retval = rtsx_write_register(chip, 0xFE70, |
| 276 | 0x80, 0x80); |
| 277 | if (retval) { |
| 278 | rtsx_trace(chip); |
| 279 | return retval; |
| 280 | } |
| 281 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 282 | |
| 283 | chip->chip_insert_with_sdio = 1; |
| 284 | chip->sd_io = 1; |
| 285 | } |
| 286 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 287 | retval = rtsx_write_register(chip, TLPTISTAT, 0x08, 0x08); |
| 288 | if (retval) { |
| 289 | rtsx_trace(chip); |
| 290 | return retval; |
| 291 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 292 | |
| 293 | chip->need_reset |= SD_CARD; |
| 294 | } |
| 295 | |
| 296 | return STATUS_SUCCESS; |
| 297 | } |
| 298 | #endif |
| 299 | |
Fabio Falzoi | 5d069c8 | 2014-10-19 21:30:02 +0200 | [diff] [blame] | 300 | static int rtsx_reset_aspm(struct rtsx_chip *chip) |
| 301 | { |
| 302 | int ret; |
| 303 | |
| 304 | if (chip->dynamic_aspm) { |
| 305 | if (!CHK_SDIO_EXIST(chip) || !CHECK_PID(chip, 0x5288)) |
| 306 | return STATUS_SUCCESS; |
| 307 | |
| 308 | ret = rtsx_write_cfg_dw(chip, 2, 0xC0, 0xFF, |
| 309 | chip->aspm_l0s_l1_en); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 310 | if (ret != STATUS_SUCCESS) { |
| 311 | rtsx_trace(chip); |
| 312 | return STATUS_FAIL; |
| 313 | } |
Fabio Falzoi | 5d069c8 | 2014-10-19 21:30:02 +0200 | [diff] [blame] | 314 | |
| 315 | return STATUS_SUCCESS; |
| 316 | } |
| 317 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 318 | if (CHECK_PID(chip, 0x5208)) { |
| 319 | ret = rtsx_write_register(chip, ASPM_FORCE_CTL, 0xFF, 0x3F); |
| 320 | if (ret) { |
| 321 | rtsx_trace(chip); |
| 322 | return ret; |
| 323 | } |
| 324 | } |
Fabio Falzoi | 5d069c8 | 2014-10-19 21:30:02 +0200 | [diff] [blame] | 325 | ret = rtsx_write_config_byte(chip, LCTLR, chip->aspm_l0s_l1_en); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 326 | if (ret != STATUS_SUCCESS) { |
| 327 | rtsx_trace(chip); |
| 328 | return STATUS_FAIL; |
| 329 | } |
Fabio Falzoi | 5d069c8 | 2014-10-19 21:30:02 +0200 | [diff] [blame] | 330 | |
| 331 | chip->aspm_level[0] = chip->aspm_l0s_l1_en; |
| 332 | if (CHK_SDIO_EXIST(chip)) { |
| 333 | chip->aspm_level[1] = chip->aspm_l0s_l1_en; |
| 334 | ret = rtsx_write_cfg_dw(chip, CHECK_PID(chip, 0x5288) ? 2 : 1, |
| 335 | 0xC0, 0xFF, chip->aspm_l0s_l1_en); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 336 | if (ret != STATUS_SUCCESS) { |
| 337 | rtsx_trace(chip); |
| 338 | return STATUS_FAIL; |
| 339 | } |
Fabio Falzoi | 5d069c8 | 2014-10-19 21:30:02 +0200 | [diff] [blame] | 340 | } |
| 341 | |
| 342 | chip->aspm_enabled = 1; |
| 343 | |
| 344 | return STATUS_SUCCESS; |
| 345 | } |
| 346 | |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 347 | static int rtsx_enable_pcie_intr(struct rtsx_chip *chip) |
| 348 | { |
| 349 | int ret; |
| 350 | |
| 351 | if (!chip->asic_code || !CHECK_PID(chip, 0x5208)) { |
| 352 | rtsx_enable_bus_int(chip); |
| 353 | return STATUS_SUCCESS; |
| 354 | } |
| 355 | |
| 356 | if (chip->phy_debug_mode) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 357 | ret = rtsx_write_register(chip, CDRESUMECTL, 0x77, 0); |
| 358 | if (ret) { |
| 359 | rtsx_trace(chip); |
| 360 | return ret; |
| 361 | } |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 362 | rtsx_disable_bus_int(chip); |
| 363 | } else { |
| 364 | rtsx_enable_bus_int(chip); |
| 365 | } |
| 366 | |
| 367 | if (chip->ic_version >= IC_VER_D) { |
| 368 | u16 reg; |
| 369 | |
| 370 | ret = rtsx_read_phy_register(chip, 0x00, ®); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 371 | if (ret != STATUS_SUCCESS) { |
| 372 | rtsx_trace(chip); |
| 373 | return STATUS_FAIL; |
| 374 | } |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 375 | |
| 376 | reg &= 0xFE7F; |
| 377 | reg |= 0x80; |
| 378 | ret = rtsx_write_phy_register(chip, 0x00, reg); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 379 | if (ret != STATUS_SUCCESS) { |
| 380 | rtsx_trace(chip); |
| 381 | return STATUS_FAIL; |
| 382 | } |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 383 | |
| 384 | ret = rtsx_read_phy_register(chip, 0x1C, ®); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 385 | if (ret != STATUS_SUCCESS) { |
| 386 | rtsx_trace(chip); |
| 387 | return STATUS_FAIL; |
| 388 | } |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 389 | |
| 390 | reg &= 0xFFF7; |
| 391 | ret = rtsx_write_phy_register(chip, 0x1C, reg); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 392 | if (ret != STATUS_SUCCESS) { |
| 393 | rtsx_trace(chip); |
| 394 | return STATUS_FAIL; |
| 395 | } |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 396 | } |
| 397 | |
| 398 | if (chip->driver_first_load && (chip->ic_version < IC_VER_C)) |
| 399 | rtsx_calibration(chip); |
| 400 | |
| 401 | return STATUS_SUCCESS; |
| 402 | } |
| 403 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 404 | int rtsx_reset_chip(struct rtsx_chip *chip) |
| 405 | { |
| 406 | int retval; |
| 407 | |
| 408 | rtsx_writel(chip, RTSX_HCBAR, chip->host_cmds_addr); |
| 409 | |
| 410 | rtsx_disable_aspm(chip); |
| 411 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 412 | retval = rtsx_write_register(chip, HOST_SLEEP_STATE, 0x03, 0x00); |
| 413 | if (retval) { |
| 414 | rtsx_trace(chip); |
| 415 | return retval; |
| 416 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 417 | |
| 418 | /* Disable card clock */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 419 | retval = rtsx_write_register(chip, CARD_CLK_EN, 0x1E, 0); |
| 420 | if (retval) { |
| 421 | rtsx_trace(chip); |
| 422 | return retval; |
| 423 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 424 | |
| 425 | #ifdef SUPPORT_OCP |
| 426 | /* SSC power on, OCD power on */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 427 | if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) { |
| 428 | retval = rtsx_write_register(chip, FPDCTL, OC_POWER_DOWN, 0); |
| 429 | if (retval) { |
| 430 | rtsx_trace(chip); |
| 431 | return retval; |
| 432 | } |
| 433 | } else { |
| 434 | retval = rtsx_write_register(chip, FPDCTL, OC_POWER_DOWN, |
| 435 | MS_OC_POWER_DOWN); |
| 436 | if (retval) { |
| 437 | rtsx_trace(chip); |
| 438 | return retval; |
| 439 | } |
| 440 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 441 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 442 | retval = rtsx_write_register(chip, OCPPARA1, OCP_TIME_MASK, |
| 443 | OCP_TIME_800); |
| 444 | if (retval) { |
| 445 | rtsx_trace(chip); |
| 446 | return retval; |
| 447 | } |
| 448 | retval = rtsx_write_register(chip, OCPPARA2, OCP_THD_MASK, |
| 449 | OCP_THD_244_946); |
| 450 | if (retval) { |
| 451 | rtsx_trace(chip); |
| 452 | return retval; |
| 453 | } |
| 454 | retval = rtsx_write_register(chip, OCPCTL, 0xFF, |
| 455 | CARD_OC_INT_EN | CARD_DETECT_EN); |
| 456 | if (retval) { |
| 457 | rtsx_trace(chip); |
| 458 | return retval; |
| 459 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 460 | #else |
| 461 | /* OC power down */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 462 | retval = rtsx_write_register(chip, FPDCTL, OC_POWER_DOWN, |
| 463 | OC_POWER_DOWN); |
| 464 | if (retval) { |
| 465 | rtsx_trace(chip); |
| 466 | return retval; |
| 467 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 468 | #endif |
| 469 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 470 | if (!CHECK_PID(chip, 0x5288)) { |
| 471 | retval = rtsx_write_register(chip, CARD_GPIO_DIR, 0xFF, 0x03); |
| 472 | if (retval) { |
| 473 | rtsx_trace(chip); |
| 474 | return retval; |
| 475 | } |
| 476 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 477 | |
| 478 | /* Turn off LED */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 479 | retval = rtsx_write_register(chip, CARD_GPIO, 0xFF, 0x03); |
| 480 | if (retval) { |
| 481 | rtsx_trace(chip); |
| 482 | return retval; |
| 483 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 484 | |
| 485 | /* Reset delink mode */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 486 | retval = rtsx_write_register(chip, CHANGE_LINK_STATE, 0x0A, 0); |
| 487 | if (retval) { |
| 488 | rtsx_trace(chip); |
| 489 | return retval; |
| 490 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 491 | |
| 492 | /* Card driving select */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 493 | retval = rtsx_write_register(chip, CARD_DRIVE_SEL, 0xFF, |
| 494 | chip->card_drive_sel); |
| 495 | if (retval) { |
| 496 | rtsx_trace(chip); |
| 497 | return retval; |
| 498 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 499 | |
| 500 | #ifdef LED_AUTO_BLINK |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 501 | retval = rtsx_write_register(chip, CARD_AUTO_BLINK, 0xFF, |
| 502 | LED_BLINK_SPEED | BLINK_EN | LED_GPIO0); |
| 503 | if (retval) { |
| 504 | rtsx_trace(chip); |
| 505 | return retval; |
| 506 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 507 | #endif |
| 508 | |
| 509 | if (chip->asic_code) { |
| 510 | /* Enable SSC Clock */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 511 | retval = rtsx_write_register(chip, SSC_CTL1, 0xFF, |
| 512 | SSC_8X_EN | SSC_SEL_4M); |
| 513 | if (retval) { |
| 514 | rtsx_trace(chip); |
| 515 | return retval; |
| 516 | } |
| 517 | retval = rtsx_write_register(chip, SSC_CTL2, 0xFF, 0x12); |
| 518 | if (retval) { |
| 519 | rtsx_trace(chip); |
| 520 | return retval; |
| 521 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 522 | } |
| 523 | |
Punit Vara | 60d6a21 | 2015-09-21 21:59:41 +0530 | [diff] [blame] | 524 | /* |
| 525 | * Disable cd_pwr_save (u_force_rst_core_en=0, u_cd_rst_core_en=0) |
| 526 | * 0xFE5B |
| 527 | * bit[1] u_cd_rst_core_en rst_value = 0 |
| 528 | * bit[2] u_force_rst_core_en rst_value = 0 |
| 529 | * bit[5] u_mac_phy_rst_n_dbg rst_value = 1 |
| 530 | * bit[4] u_non_sticky_rst_n_dbg rst_value = 0 |
| 531 | */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 532 | retval = rtsx_write_register(chip, CHANGE_LINK_STATE, 0x16, 0x10); |
| 533 | if (retval) { |
| 534 | rtsx_trace(chip); |
| 535 | return retval; |
| 536 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 537 | |
| 538 | /* Enable ASPM */ |
| 539 | if (chip->aspm_l0s_l1_en) { |
Fabio Falzoi | 5d069c8 | 2014-10-19 21:30:02 +0200 | [diff] [blame] | 540 | retval = rtsx_reset_aspm(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 541 | if (retval != STATUS_SUCCESS) { |
| 542 | rtsx_trace(chip); |
| 543 | return STATUS_FAIL; |
| 544 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 545 | } else { |
| 546 | if (chip->asic_code && CHECK_PID(chip, 0x5208)) { |
| 547 | retval = rtsx_write_phy_register(chip, 0x07, 0x0129); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 548 | if (retval != STATUS_SUCCESS) { |
| 549 | rtsx_trace(chip); |
| 550 | return STATUS_FAIL; |
| 551 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 552 | } |
| 553 | retval = rtsx_write_config_byte(chip, LCTLR, |
| 554 | chip->aspm_l0s_l1_en); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 555 | if (retval != STATUS_SUCCESS) { |
| 556 | rtsx_trace(chip); |
| 557 | return STATUS_FAIL; |
| 558 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 559 | } |
| 560 | |
| 561 | retval = rtsx_write_config_byte(chip, 0x81, 1); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 562 | if (retval != STATUS_SUCCESS) { |
| 563 | rtsx_trace(chip); |
| 564 | return STATUS_FAIL; |
| 565 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 566 | |
| 567 | if (CHK_SDIO_EXIST(chip)) { |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 568 | retval = rtsx_write_cfg_dw(chip, |
| 569 | CHECK_PID(chip, 0x5288) ? 2 : 1, |
| 570 | 0xC0, 0xFF00, 0x0100); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 571 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 572 | if (retval != STATUS_SUCCESS) { |
| 573 | rtsx_trace(chip); |
| 574 | return STATUS_FAIL; |
| 575 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 576 | } |
| 577 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 578 | if (CHECK_PID(chip, 0x5288) && !CHK_SDIO_EXIST(chip)) { |
| 579 | retval = rtsx_write_cfg_dw(chip, 2, 0xC0, 0xFFFF, 0x0103); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 580 | if (retval != STATUS_SUCCESS) { |
| 581 | rtsx_trace(chip); |
| 582 | return STATUS_FAIL; |
| 583 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 584 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 585 | retval = rtsx_write_cfg_dw(chip, 2, 0x84, 0xFF, 0x03); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 586 | if (retval != STATUS_SUCCESS) { |
| 587 | rtsx_trace(chip); |
| 588 | return STATUS_FAIL; |
| 589 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 590 | } |
| 591 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 592 | retval = rtsx_write_register(chip, IRQSTAT0, LINK_RDY_INT, |
| 593 | LINK_RDY_INT); |
| 594 | if (retval) { |
| 595 | rtsx_trace(chip); |
| 596 | return retval; |
| 597 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 598 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 599 | retval = rtsx_write_register(chip, PERST_GLITCH_WIDTH, 0xFF, 0x80); |
| 600 | if (retval) { |
| 601 | rtsx_trace(chip); |
| 602 | return retval; |
| 603 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 604 | |
Fabio Falzoi | 506fe17 | 2014-10-19 21:30:03 +0200 | [diff] [blame] | 605 | retval = rtsx_enable_pcie_intr(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 606 | if (retval != STATUS_SUCCESS) { |
| 607 | rtsx_trace(chip); |
| 608 | return STATUS_FAIL; |
| 609 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 610 | |
| 611 | chip->need_reset = 0; |
| 612 | |
| 613 | chip->int_reg = rtsx_readl(chip, RTSX_BIPR); |
| 614 | |
| 615 | if (chip->hw_bypass_sd) |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 616 | goto nextcard; |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 617 | dev_dbg(rtsx_dev(chip), "In %s, chip->int_reg = 0x%x\n", __func__, |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 618 | chip->int_reg); |
| 619 | if (chip->int_reg & SD_EXIST) { |
| 620 | #ifdef HW_AUTO_SWITCH_SD_BUS |
| 621 | if (CHECK_PID(chip, 0x5208) && (chip->ic_version < IC_VER_C)) |
| 622 | retval = rtsx_pre_handle_sdio_old(chip); |
| 623 | else |
| 624 | retval = rtsx_pre_handle_sdio_new(chip); |
| 625 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 626 | dev_dbg(rtsx_dev(chip), "chip->need_reset = 0x%x (rtsx_reset_chip)\n", |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 627 | (unsigned int)(chip->need_reset)); |
| 628 | #else /* HW_AUTO_SWITCH_SD_BUS */ |
| 629 | retval = rtsx_pre_handle_sdio_old(chip); |
| 630 | #endif /* HW_AUTO_SWITCH_SD_BUS */ |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 631 | if (retval != STATUS_SUCCESS) { |
| 632 | rtsx_trace(chip); |
| 633 | return STATUS_FAIL; |
| 634 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 635 | |
| 636 | } else { |
| 637 | chip->sd_io = 0; |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 638 | retval = rtsx_write_register(chip, SDIO_CTRL, |
| 639 | SDIO_BUS_CTRL | SDIO_CD_CTRL, 0); |
| 640 | if (retval) { |
| 641 | rtsx_trace(chip); |
| 642 | return retval; |
| 643 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 644 | } |
| 645 | |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 646 | nextcard: |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 647 | if (chip->int_reg & XD_EXIST) |
| 648 | chip->need_reset |= XD_CARD; |
| 649 | if (chip->int_reg & MS_EXIST) |
| 650 | chip->need_reset |= MS_CARD; |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 651 | if (chip->int_reg & CARD_EXIST) { |
| 652 | retval = rtsx_write_register(chip, SSC_CTL1, SSC_RSTB, |
| 653 | SSC_RSTB); |
| 654 | if (retval) { |
| 655 | rtsx_trace(chip); |
| 656 | return retval; |
| 657 | } |
| 658 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 659 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 660 | dev_dbg(rtsx_dev(chip), "In %s, chip->need_reset = 0x%x\n", __func__, |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 661 | (unsigned int)(chip->need_reset)); |
| 662 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 663 | retval = rtsx_write_register(chip, RCCTL, 0x01, 0x00); |
| 664 | if (retval) { |
| 665 | rtsx_trace(chip); |
| 666 | return retval; |
| 667 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 668 | |
| 669 | if (CHECK_PID(chip, 0x5208) || CHECK_PID(chip, 0x5288)) { |
| 670 | /* Turn off main power when entering S3/S4 state */ |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 671 | retval = rtsx_write_register(chip, MAIN_PWR_OFF_CTL, 0x03, |
| 672 | 0x03); |
| 673 | if (retval) { |
| 674 | rtsx_trace(chip); |
| 675 | return retval; |
| 676 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 677 | } |
| 678 | |
| 679 | if (chip->remote_wakeup_en && !chip->auto_delink_en) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 680 | retval = rtsx_write_register(chip, WAKE_SEL_CTL, 0x07, 0x07); |
| 681 | if (retval) { |
| 682 | rtsx_trace(chip); |
| 683 | return retval; |
| 684 | } |
| 685 | if (chip->aux_pwr_exist) { |
| 686 | retval = rtsx_write_register(chip, PME_FORCE_CTL, |
| 687 | 0xFF, 0x33); |
| 688 | if (retval) { |
| 689 | rtsx_trace(chip); |
| 690 | return retval; |
| 691 | } |
| 692 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 693 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 694 | retval = rtsx_write_register(chip, WAKE_SEL_CTL, 0x07, 0x04); |
| 695 | if (retval) { |
| 696 | rtsx_trace(chip); |
| 697 | return retval; |
| 698 | } |
| 699 | retval = rtsx_write_register(chip, PME_FORCE_CTL, 0xFF, 0x30); |
| 700 | if (retval) { |
| 701 | rtsx_trace(chip); |
| 702 | return retval; |
| 703 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 704 | } |
| 705 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 706 | if (CHECK_PID(chip, 0x5208) && (chip->ic_version >= IC_VER_D)) { |
| 707 | retval = rtsx_write_register(chip, PETXCFG, 0x1C, 0x14); |
| 708 | if (retval) { |
| 709 | rtsx_trace(chip); |
| 710 | return retval; |
| 711 | } |
| 712 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 713 | |
| 714 | if (chip->asic_code && CHECK_PID(chip, 0x5208)) { |
| 715 | retval = rtsx_clr_phy_reg_bit(chip, 0x1C, 2); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 716 | if (retval != STATUS_SUCCESS) { |
| 717 | rtsx_trace(chip); |
| 718 | return STATUS_FAIL; |
| 719 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 720 | } |
| 721 | |
| 722 | if (chip->ft2_fast_mode) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 723 | retval = rtsx_write_register(chip, CARD_PWR_CTL, 0xFF, |
| 724 | MS_PARTIAL_POWER_ON | SD_PARTIAL_POWER_ON); |
| 725 | if (retval) { |
| 726 | rtsx_trace(chip); |
| 727 | return retval; |
| 728 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 729 | udelay(chip->pmos_pwr_on_interval); |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 730 | retval = rtsx_write_register(chip, CARD_PWR_CTL, 0xFF, |
| 731 | MS_POWER_ON | SD_POWER_ON); |
| 732 | if (retval) { |
| 733 | rtsx_trace(chip); |
| 734 | return retval; |
| 735 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 736 | |
| 737 | wait_timeout(200); |
| 738 | } |
| 739 | |
| 740 | /* Reset card */ |
| 741 | rtsx_reset_detected_cards(chip, 0); |
| 742 | |
| 743 | chip->driver_first_load = 0; |
| 744 | |
| 745 | return STATUS_SUCCESS; |
| 746 | } |
| 747 | |
| 748 | static inline int check_sd_speed_prior(u32 sd_speed_prior) |
| 749 | { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 750 | bool fake_para = false; |
| 751 | int i; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 752 | |
| 753 | for (i = 0; i < 4; i++) { |
| 754 | u8 tmp = (u8)(sd_speed_prior >> (i*8)); |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 755 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 756 | if ((tmp < 0x01) || (tmp > 0x04)) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 757 | fake_para = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 758 | break; |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | return !fake_para; |
| 763 | } |
| 764 | |
| 765 | static inline int check_sd_current_prior(u32 sd_current_prior) |
| 766 | { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 767 | bool fake_para = false; |
| 768 | int i; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 769 | |
| 770 | for (i = 0; i < 4; i++) { |
| 771 | u8 tmp = (u8)(sd_current_prior >> (i*8)); |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 772 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 773 | if (tmp > 0x03) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 774 | fake_para = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 775 | break; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | return !fake_para; |
| 780 | } |
| 781 | |
| 782 | static int rts5208_init(struct rtsx_chip *chip) |
| 783 | { |
| 784 | int retval; |
| 785 | u16 reg = 0; |
| 786 | u8 val = 0; |
| 787 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 788 | retval = rtsx_write_register(chip, CLK_SEL, 0x03, 0x03); |
| 789 | if (retval) { |
| 790 | rtsx_trace(chip); |
| 791 | return retval; |
| 792 | } |
| 793 | retval = rtsx_read_register(chip, CLK_SEL, &val); |
| 794 | if (retval) { |
| 795 | rtsx_trace(chip); |
| 796 | return retval; |
| 797 | } |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 798 | chip->asic_code = val == 0 ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 799 | |
| 800 | if (chip->asic_code) { |
| 801 | retval = rtsx_read_phy_register(chip, 0x1C, ®); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 802 | if (retval != STATUS_SUCCESS) { |
| 803 | rtsx_trace(chip); |
| 804 | return STATUS_FAIL; |
| 805 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 806 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 807 | dev_dbg(rtsx_dev(chip), "Value of phy register 0x1C is 0x%x\n", |
| 808 | reg); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 809 | chip->ic_version = (reg >> 4) & 0x07; |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 810 | chip->phy_debug_mode = reg & PHY_DEBUG_MODE ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 811 | |
| 812 | } else { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 813 | retval = rtsx_read_register(chip, 0xFE80, &val); |
| 814 | if (retval) { |
| 815 | rtsx_trace(chip); |
| 816 | return retval; |
| 817 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 818 | chip->ic_version = val; |
| 819 | chip->phy_debug_mode = 0; |
| 820 | } |
| 821 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 822 | retval = rtsx_read_register(chip, PDINFO, &val); |
| 823 | if (retval) { |
| 824 | rtsx_trace(chip); |
| 825 | return retval; |
| 826 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 827 | dev_dbg(rtsx_dev(chip), "PDINFO: 0x%x\n", val); |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 828 | chip->aux_pwr_exist = val & AUX_PWR_DETECTED ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 829 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 830 | retval = rtsx_read_register(chip, 0xFE50, &val); |
| 831 | if (retval) { |
| 832 | rtsx_trace(chip); |
| 833 | return retval; |
| 834 | } |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 835 | chip->hw_bypass_sd = val & 0x01 ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 836 | |
| 837 | rtsx_read_config_byte(chip, 0x0E, &val); |
| 838 | if (val & 0x80) |
| 839 | SET_SDIO_EXIST(chip); |
| 840 | else |
| 841 | CLR_SDIO_EXIST(chip); |
| 842 | |
| 843 | if (chip->use_hw_setting) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 844 | retval = rtsx_read_register(chip, CHANGE_LINK_STATE, &val); |
| 845 | if (retval) { |
| 846 | rtsx_trace(chip); |
| 847 | return retval; |
| 848 | } |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 849 | chip->auto_delink_en = val & 0x80 ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 850 | } |
| 851 | |
| 852 | return STATUS_SUCCESS; |
| 853 | } |
| 854 | |
| 855 | static int rts5288_init(struct rtsx_chip *chip) |
| 856 | { |
| 857 | int retval; |
| 858 | u8 val = 0, max_func; |
| 859 | u32 lval = 0; |
| 860 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 861 | retval = rtsx_write_register(chip, CLK_SEL, 0x03, 0x03); |
| 862 | if (retval) { |
| 863 | rtsx_trace(chip); |
| 864 | return retval; |
| 865 | } |
| 866 | retval = rtsx_read_register(chip, CLK_SEL, &val); |
| 867 | if (retval) { |
| 868 | rtsx_trace(chip); |
| 869 | return retval; |
| 870 | } |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 871 | chip->asic_code = val == 0 ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 872 | |
| 873 | chip->ic_version = 0; |
| 874 | chip->phy_debug_mode = 0; |
| 875 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 876 | retval = rtsx_read_register(chip, PDINFO, &val); |
| 877 | if (retval) { |
| 878 | rtsx_trace(chip); |
| 879 | return retval; |
| 880 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 881 | dev_dbg(rtsx_dev(chip), "PDINFO: 0x%x\n", val); |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 882 | chip->aux_pwr_exist = val & AUX_PWR_DETECTED ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 883 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 884 | retval = rtsx_read_register(chip, CARD_SHARE_MODE, &val); |
| 885 | if (retval) { |
| 886 | rtsx_trace(chip); |
| 887 | return retval; |
| 888 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 889 | dev_dbg(rtsx_dev(chip), "CARD_SHARE_MODE: 0x%x\n", val); |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 890 | chip->baro_pkg = val & 0x04 ? QFN : LQFP; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 891 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 892 | retval = rtsx_read_register(chip, 0xFE5A, &val); |
| 893 | if (retval) { |
| 894 | rtsx_trace(chip); |
| 895 | return retval; |
| 896 | } |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 897 | chip->hw_bypass_sd = val & 0x10 ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 898 | |
| 899 | retval = rtsx_read_cfg_dw(chip, 0, 0x718, &lval); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 900 | if (retval != STATUS_SUCCESS) { |
| 901 | rtsx_trace(chip); |
| 902 | return STATUS_FAIL; |
| 903 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 904 | |
| 905 | max_func = (u8)((lval >> 29) & 0x07); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 906 | dev_dbg(rtsx_dev(chip), "Max function number: %d\n", max_func); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 907 | if (max_func == 0x02) |
| 908 | SET_SDIO_EXIST(chip); |
| 909 | else |
| 910 | CLR_SDIO_EXIST(chip); |
| 911 | |
| 912 | if (chip->use_hw_setting) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 913 | retval = rtsx_read_register(chip, CHANGE_LINK_STATE, &val); |
| 914 | if (retval) { |
| 915 | rtsx_trace(chip); |
| 916 | return retval; |
| 917 | } |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 918 | chip->auto_delink_en = val & 0x80 ? 1 : 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 919 | |
| 920 | if (CHECK_BARO_PKG(chip, LQFP)) |
| 921 | chip->lun_mode = SD_MS_1LUN; |
| 922 | else |
| 923 | chip->lun_mode = DEFAULT_SINGLE; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | return STATUS_SUCCESS; |
| 927 | } |
| 928 | |
| 929 | int rtsx_init_chip(struct rtsx_chip *chip) |
| 930 | { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 931 | struct sd_info *sd_card = &chip->sd_card; |
| 932 | struct xd_info *xd_card = &chip->xd_card; |
| 933 | struct ms_info *ms_card = &chip->ms_card; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 934 | int retval; |
| 935 | unsigned int i; |
| 936 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 937 | dev_dbg(rtsx_dev(chip), "Vendor ID: 0x%04x, Product ID: 0x%04x\n", |
| 938 | chip->vendor_id, chip->product_id); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 939 | |
| 940 | chip->ic_version = 0; |
| 941 | |
| 942 | #ifdef _MSG_TRACE |
| 943 | chip->msg_idx = 0; |
| 944 | #endif |
| 945 | |
| 946 | memset(xd_card, 0, sizeof(struct xd_info)); |
| 947 | memset(sd_card, 0, sizeof(struct sd_info)); |
| 948 | memset(ms_card, 0, sizeof(struct ms_info)); |
| 949 | |
| 950 | chip->xd_reset_counter = 0; |
| 951 | chip->sd_reset_counter = 0; |
| 952 | chip->ms_reset_counter = 0; |
| 953 | |
| 954 | chip->xd_show_cnt = MAX_SHOW_CNT; |
| 955 | chip->sd_show_cnt = MAX_SHOW_CNT; |
| 956 | chip->ms_show_cnt = MAX_SHOW_CNT; |
| 957 | |
| 958 | chip->sd_io = 0; |
| 959 | chip->auto_delink_cnt = 0; |
| 960 | chip->auto_delink_allowed = 1; |
| 961 | rtsx_set_stat(chip, RTSX_STAT_INIT); |
| 962 | |
| 963 | chip->aspm_enabled = 0; |
| 964 | chip->chip_insert_with_sdio = 0; |
| 965 | chip->sdio_aspm = 0; |
| 966 | chip->sdio_idle = 0; |
| 967 | chip->sdio_counter = 0; |
| 968 | chip->cur_card = 0; |
| 969 | chip->phy_debug_mode = 0; |
| 970 | chip->sdio_func_exist = 0; |
| 971 | memset(chip->sdio_raw_data, 0, 12); |
| 972 | |
| 973 | for (i = 0; i < MAX_ALLOWED_LUN_CNT; i++) { |
| 974 | set_sense_type(chip, i, SENSE_TYPE_NO_SENSE); |
| 975 | chip->rw_fail_cnt[i] = 0; |
| 976 | } |
| 977 | |
| 978 | if (!check_sd_speed_prior(chip->sd_speed_prior)) |
| 979 | chip->sd_speed_prior = 0x01040203; |
| 980 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 981 | dev_dbg(rtsx_dev(chip), "sd_speed_prior = 0x%08x\n", |
| 982 | chip->sd_speed_prior); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 983 | |
| 984 | if (!check_sd_current_prior(chip->sd_current_prior)) |
| 985 | chip->sd_current_prior = 0x00010203; |
| 986 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 987 | dev_dbg(rtsx_dev(chip), "sd_current_prior = 0x%08x\n", |
| 988 | chip->sd_current_prior); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 989 | |
| 990 | if ((chip->sd_ddr_tx_phase > 31) || (chip->sd_ddr_tx_phase < 0)) |
| 991 | chip->sd_ddr_tx_phase = 0; |
| 992 | |
| 993 | if ((chip->mmc_ddr_tx_phase > 31) || (chip->mmc_ddr_tx_phase < 0)) |
| 994 | chip->mmc_ddr_tx_phase = 0; |
| 995 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 996 | retval = rtsx_write_register(chip, FPDCTL, SSC_POWER_DOWN, 0); |
| 997 | if (retval) { |
| 998 | rtsx_trace(chip); |
| 999 | return retval; |
| 1000 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1001 | wait_timeout(200); |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1002 | retval = rtsx_write_register(chip, CLK_DIV, 0x07, 0x07); |
| 1003 | if (retval) { |
| 1004 | rtsx_trace(chip); |
| 1005 | return retval; |
| 1006 | } |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1007 | dev_dbg(rtsx_dev(chip), "chip->use_hw_setting = %d\n", |
| 1008 | chip->use_hw_setting); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1009 | |
| 1010 | if (CHECK_PID(chip, 0x5208)) { |
| 1011 | retval = rts5208_init(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1012 | if (retval != STATUS_SUCCESS) { |
| 1013 | rtsx_trace(chip); |
| 1014 | return STATUS_FAIL; |
| 1015 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1016 | |
| 1017 | } else if (CHECK_PID(chip, 0x5288)) { |
| 1018 | retval = rts5288_init(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1019 | if (retval != STATUS_SUCCESS) { |
| 1020 | rtsx_trace(chip); |
| 1021 | return STATUS_FAIL; |
| 1022 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1023 | } |
| 1024 | |
| 1025 | if (chip->ss_en == 2) |
| 1026 | chip->ss_en = 0; |
| 1027 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1028 | dev_dbg(rtsx_dev(chip), "chip->asic_code = %d\n", chip->asic_code); |
| 1029 | dev_dbg(rtsx_dev(chip), "chip->ic_version = 0x%x\n", chip->ic_version); |
| 1030 | dev_dbg(rtsx_dev(chip), "chip->phy_debug_mode = %d\n", |
| 1031 | chip->phy_debug_mode); |
| 1032 | dev_dbg(rtsx_dev(chip), "chip->aux_pwr_exist = %d\n", |
| 1033 | chip->aux_pwr_exist); |
| 1034 | dev_dbg(rtsx_dev(chip), "chip->sdio_func_exist = %d\n", |
| 1035 | chip->sdio_func_exist); |
| 1036 | dev_dbg(rtsx_dev(chip), "chip->hw_bypass_sd = %d\n", |
| 1037 | chip->hw_bypass_sd); |
| 1038 | dev_dbg(rtsx_dev(chip), "chip->aspm_l0s_l1_en = %d\n", |
| 1039 | chip->aspm_l0s_l1_en); |
| 1040 | dev_dbg(rtsx_dev(chip), "chip->lun_mode = %d\n", chip->lun_mode); |
| 1041 | dev_dbg(rtsx_dev(chip), "chip->auto_delink_en = %d\n", |
| 1042 | chip->auto_delink_en); |
| 1043 | dev_dbg(rtsx_dev(chip), "chip->ss_en = %d\n", chip->ss_en); |
| 1044 | dev_dbg(rtsx_dev(chip), "chip->baro_pkg = %d\n", chip->baro_pkg); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1045 | |
| 1046 | if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) { |
| 1047 | chip->card2lun[SD_CARD] = 0; |
| 1048 | chip->card2lun[MS_CARD] = 1; |
| 1049 | chip->card2lun[XD_CARD] = 0xFF; |
| 1050 | chip->lun2card[0] = SD_CARD; |
| 1051 | chip->lun2card[1] = MS_CARD; |
| 1052 | chip->max_lun = 1; |
| 1053 | SET_SDIO_IGNORED(chip); |
| 1054 | } else if (CHECK_LUN_MODE(chip, SD_MS_1LUN)) { |
| 1055 | chip->card2lun[SD_CARD] = 0; |
| 1056 | chip->card2lun[MS_CARD] = 0; |
| 1057 | chip->card2lun[XD_CARD] = 0xFF; |
| 1058 | chip->lun2card[0] = SD_CARD | MS_CARD; |
| 1059 | chip->max_lun = 0; |
| 1060 | } else { |
| 1061 | chip->card2lun[XD_CARD] = 0; |
| 1062 | chip->card2lun[SD_CARD] = 0; |
| 1063 | chip->card2lun[MS_CARD] = 0; |
| 1064 | chip->lun2card[0] = XD_CARD | SD_CARD | MS_CARD; |
| 1065 | chip->max_lun = 0; |
| 1066 | } |
| 1067 | |
| 1068 | retval = rtsx_reset_chip(chip); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1069 | if (retval != STATUS_SUCCESS) { |
| 1070 | rtsx_trace(chip); |
| 1071 | return STATUS_FAIL; |
| 1072 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1073 | |
| 1074 | return STATUS_SUCCESS; |
| 1075 | } |
| 1076 | |
| 1077 | void rtsx_release_chip(struct rtsx_chip *chip) |
| 1078 | { |
| 1079 | xd_free_l2p_tbl(chip); |
| 1080 | ms_free_l2p_tbl(chip); |
| 1081 | chip->card_exist = 0; |
| 1082 | chip->card_ready = 0; |
| 1083 | } |
| 1084 | |
| 1085 | #if !defined(LED_AUTO_BLINK) && defined(REGULAR_BLINK) |
| 1086 | static inline void rtsx_blink_led(struct rtsx_chip *chip) |
| 1087 | { |
| 1088 | if (chip->card_exist && chip->blink_led) { |
| 1089 | if (chip->led_toggle_counter < LED_TOGGLE_INTERVAL) { |
| 1090 | chip->led_toggle_counter++; |
| 1091 | } else { |
| 1092 | chip->led_toggle_counter = 0; |
| 1093 | toggle_gpio(chip, LED_GPIO); |
| 1094 | } |
| 1095 | } |
| 1096 | } |
| 1097 | #endif |
| 1098 | |
| 1099 | static void rtsx_monitor_aspm_config(struct rtsx_chip *chip) |
| 1100 | { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1101 | bool reg_changed, maybe_support_aspm; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1102 | u32 tmp = 0; |
| 1103 | u8 reg0 = 0, reg1 = 0; |
| 1104 | |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1105 | maybe_support_aspm = false; |
| 1106 | reg_changed = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1107 | rtsx_read_config_byte(chip, LCTLR, ®0); |
| 1108 | if (chip->aspm_level[0] != reg0) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1109 | reg_changed = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1110 | chip->aspm_level[0] = reg0; |
| 1111 | } |
| 1112 | if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip)) { |
| 1113 | rtsx_read_cfg_dw(chip, 1, 0xC0, &tmp); |
| 1114 | reg1 = (u8)tmp; |
| 1115 | if (chip->aspm_level[1] != reg1) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1116 | reg_changed = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1117 | chip->aspm_level[1] = reg1; |
| 1118 | } |
| 1119 | |
| 1120 | if ((reg0 & 0x03) && (reg1 & 0x03)) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1121 | maybe_support_aspm = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1122 | |
| 1123 | } else { |
| 1124 | if (reg0 & 0x03) |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1125 | maybe_support_aspm = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1126 | } |
| 1127 | |
| 1128 | if (reg_changed) { |
| 1129 | if (maybe_support_aspm) |
| 1130 | chip->aspm_l0s_l1_en = 0x03; |
| 1131 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1132 | dev_dbg(rtsx_dev(chip), "aspm_level[0] = 0x%02x, aspm_level[1] = 0x%02x\n", |
| 1133 | chip->aspm_level[0], chip->aspm_level[1]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1134 | |
| 1135 | if (chip->aspm_l0s_l1_en) { |
| 1136 | chip->aspm_enabled = 1; |
| 1137 | } else { |
| 1138 | chip->aspm_enabled = 0; |
| 1139 | chip->sdio_aspm = 0; |
| 1140 | } |
| 1141 | rtsx_write_register(chip, ASPM_FORCE_CTL, 0xFF, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 1142 | 0x30 | chip->aspm_level[0] | |
| 1143 | (chip->aspm_level[1] << 2)); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1144 | } |
| 1145 | } |
| 1146 | |
Fabio Falzoi | 5076357 | 2015-06-14 15:48:48 +0200 | [diff] [blame] | 1147 | static void rtsx_manage_ocp(struct rtsx_chip *chip) |
| 1148 | { |
| 1149 | #ifdef SUPPORT_OCP |
| 1150 | if (!chip->ocp_int) |
| 1151 | return; |
| 1152 | |
| 1153 | rtsx_read_register(chip, OCPSTAT, &chip->ocp_stat); |
| 1154 | |
| 1155 | if (chip->card_exist & SD_CARD) |
| 1156 | sd_power_off_card3v3(chip); |
| 1157 | else if (chip->card_exist & MS_CARD) |
| 1158 | ms_power_off_card3v3(chip); |
| 1159 | else if (chip->card_exist & XD_CARD) |
| 1160 | xd_power_off_card3v3(chip); |
| 1161 | |
| 1162 | chip->ocp_int = 0; |
| 1163 | #endif |
| 1164 | } |
| 1165 | |
Fabio Falzoi | cb54764 | 2015-06-14 15:48:47 +0200 | [diff] [blame] | 1166 | static void rtsx_manage_sd_lock(struct rtsx_chip *chip) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1167 | { |
| 1168 | #ifdef SUPPORT_SD_LOCK |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 1169 | struct sd_info *sd_card = &chip->sd_card; |
Fabio Falzoi | cb54764 | 2015-06-14 15:48:47 +0200 | [diff] [blame] | 1170 | u8 val; |
| 1171 | |
| 1172 | if (!sd_card->sd_erase_status) |
| 1173 | return; |
| 1174 | |
| 1175 | if (chip->card_exist & SD_CARD) { |
| 1176 | rtsx_read_register(chip, 0xFD30, &val); |
| 1177 | if (val & 0x02) { |
| 1178 | sd_card->sd_erase_status = SD_NOT_ERASE; |
| 1179 | sd_card->sd_lock_notify = 1; |
| 1180 | chip->need_reinit |= SD_CARD; |
| 1181 | } |
| 1182 | } else { |
| 1183 | sd_card->sd_erase_status = SD_NOT_ERASE; |
| 1184 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1185 | #endif |
Fabio Falzoi | cb54764 | 2015-06-14 15:48:47 +0200 | [diff] [blame] | 1186 | } |
| 1187 | |
Fabio Falzoi | 3194993 | 2015-06-14 15:48:49 +0200 | [diff] [blame] | 1188 | static bool rtsx_is_ss_allowed(struct rtsx_chip *chip) |
| 1189 | { |
| 1190 | u32 val; |
| 1191 | |
| 1192 | if (!chip->ss_en || CHECK_PID(chip, 0x5288)) |
| 1193 | return false; |
| 1194 | |
| 1195 | if (CHK_SDIO_EXIST(chip) && !CHK_SDIO_IGNORED(chip)) { |
| 1196 | rtsx_read_cfg_dw(chip, 1, 0x04, &val); |
| 1197 | if (val & 0x07) |
| 1198 | return false; |
| 1199 | } |
| 1200 | |
| 1201 | return true; |
| 1202 | } |
| 1203 | |
| 1204 | static void rtsx_manage_ss(struct rtsx_chip *chip) |
| 1205 | { |
| 1206 | if (!rtsx_is_ss_allowed(chip) || chip->sd_io) |
| 1207 | return; |
| 1208 | |
| 1209 | if (rtsx_get_stat(chip) != RTSX_STAT_IDLE) { |
| 1210 | chip->ss_counter = 0; |
| 1211 | return; |
| 1212 | } |
| 1213 | |
| 1214 | if (chip->ss_counter < (chip->ss_idle_period / POLLING_INTERVAL)) |
| 1215 | chip->ss_counter++; |
| 1216 | else |
| 1217 | rtsx_exclusive_enter_ss(chip); |
| 1218 | } |
| 1219 | |
Fabio Falzoi | 884a27e | 2015-06-14 15:48:50 +0200 | [diff] [blame] | 1220 | static void rtsx_manage_aspm(struct rtsx_chip *chip) |
| 1221 | { |
| 1222 | u8 data; |
| 1223 | |
| 1224 | if (!CHECK_PID(chip, 0x5208)) |
| 1225 | return; |
| 1226 | |
| 1227 | rtsx_monitor_aspm_config(chip); |
| 1228 | |
| 1229 | #ifdef SUPPORT_SDIO_ASPM |
| 1230 | if (!CHK_SDIO_EXIST(chip) || CHK_SDIO_IGNORED(chip) || |
| 1231 | !chip->aspm_l0s_l1_en || !chip->dynamic_aspm) |
| 1232 | return; |
| 1233 | |
| 1234 | if (chip->sd_io) { |
| 1235 | dynamic_configure_sdio_aspm(chip); |
| 1236 | return; |
| 1237 | } |
| 1238 | |
| 1239 | if (chip->sdio_aspm) |
| 1240 | return; |
| 1241 | |
| 1242 | dev_dbg(rtsx_dev(chip), "SDIO enter ASPM!\n"); |
| 1243 | data = 0x30 | (chip->aspm_level[1] << 2); |
| 1244 | rtsx_write_register(chip, ASPM_FORCE_CTL, 0xFC, data); |
| 1245 | chip->sdio_aspm = 1; |
| 1246 | #endif |
| 1247 | } |
| 1248 | |
Fabio Falzoi | 76d833a | 2015-06-14 15:48:51 +0200 | [diff] [blame] | 1249 | static void rtsx_manage_idle(struct rtsx_chip *chip) |
| 1250 | { |
| 1251 | if (chip->idle_counter < IDLE_MAX_COUNT) { |
| 1252 | chip->idle_counter++; |
| 1253 | return; |
| 1254 | } |
| 1255 | |
| 1256 | if (rtsx_get_stat(chip) == RTSX_STAT_IDLE) |
| 1257 | return; |
| 1258 | |
| 1259 | dev_dbg(rtsx_dev(chip), "Idle state!\n"); |
| 1260 | rtsx_set_stat(chip, RTSX_STAT_IDLE); |
| 1261 | |
| 1262 | #if !defined(LED_AUTO_BLINK) && defined(REGULAR_BLINK) |
| 1263 | chip->led_toggle_counter = 0; |
| 1264 | #endif |
| 1265 | rtsx_force_power_on(chip, SSC_PDCTL); |
| 1266 | |
| 1267 | turn_off_led(chip, LED_GPIO); |
| 1268 | |
| 1269 | if (chip->auto_power_down && !chip->card_ready && !chip->sd_io) |
| 1270 | rtsx_force_power_down(chip, SSC_PDCTL | OC_PDCTL); |
| 1271 | } |
| 1272 | |
Fabio Falzoi | 00aa716 | 2015-06-14 15:48:52 +0200 | [diff] [blame] | 1273 | static void rtsx_manage_2lun_mode(struct rtsx_chip *chip) |
| 1274 | { |
| 1275 | #ifdef SUPPORT_OCP |
| 1276 | u8 sd_oc, ms_oc; |
| 1277 | |
| 1278 | sd_oc = chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER); |
| 1279 | ms_oc = chip->ocp_stat & (MS_OC_NOW | MS_OC_EVER); |
| 1280 | |
| 1281 | if (sd_oc || ms_oc) |
| 1282 | dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n", |
| 1283 | chip->ocp_stat); |
| 1284 | |
| 1285 | if (sd_oc && (chip->card_exist & SD_CARD)) { |
| 1286 | rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0); |
| 1287 | card_power_off(chip, SD_CARD); |
| 1288 | chip->card_fail |= SD_CARD; |
| 1289 | } |
| 1290 | |
| 1291 | if (ms_oc && (chip->card_exist & MS_CARD)) { |
| 1292 | rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0); |
| 1293 | card_power_off(chip, MS_CARD); |
| 1294 | chip->card_fail |= MS_CARD; |
| 1295 | } |
| 1296 | #endif |
| 1297 | } |
| 1298 | |
| 1299 | static void rtsx_manage_1lun_mode(struct rtsx_chip *chip) |
| 1300 | { |
| 1301 | #ifdef SUPPORT_OCP |
| 1302 | if (!(chip->ocp_stat & (SD_OC_NOW | SD_OC_EVER))) |
| 1303 | return; |
| 1304 | |
| 1305 | dev_dbg(rtsx_dev(chip), "Over current, OCPSTAT is 0x%x\n", |
| 1306 | chip->ocp_stat); |
| 1307 | |
| 1308 | if (chip->card_exist & SD_CARD) { |
| 1309 | rtsx_write_register(chip, CARD_OE, SD_OUTPUT_EN, 0); |
| 1310 | chip->card_fail |= SD_CARD; |
| 1311 | } else if (chip->card_exist & MS_CARD) { |
| 1312 | rtsx_write_register(chip, CARD_OE, MS_OUTPUT_EN, 0); |
| 1313 | chip->card_fail |= MS_CARD; |
| 1314 | } else if (chip->card_exist & XD_CARD) { |
| 1315 | rtsx_write_register(chip, CARD_OE, XD_OUTPUT_EN, 0); |
| 1316 | chip->card_fail |= XD_CARD; |
| 1317 | } |
| 1318 | card_power_off(chip, SD_CARD); |
| 1319 | #endif |
| 1320 | } |
| 1321 | |
Fabio Falzoi | a9b693c | 2015-06-14 15:48:53 +0200 | [diff] [blame] | 1322 | static void rtsx_delink_stage1(struct rtsx_chip *chip, int enter_L1, |
| 1323 | int stage3_cnt) |
| 1324 | { |
| 1325 | u8 val; |
| 1326 | |
| 1327 | rtsx_set_stat(chip, RTSX_STAT_DELINK); |
| 1328 | |
| 1329 | if (chip->asic_code && CHECK_PID(chip, 0x5208)) |
| 1330 | rtsx_set_phy_reg_bit(chip, 0x1C, 2); |
| 1331 | |
| 1332 | if (chip->card_exist) |
| 1333 | dev_dbg(rtsx_dev(chip), "False card inserted, do force delink\n"); |
| 1334 | else |
| 1335 | dev_dbg(rtsx_dev(chip), "No card inserted, do delink\n"); |
| 1336 | |
| 1337 | if (enter_L1) |
| 1338 | rtsx_write_register(chip, HOST_SLEEP_STATE, 0x03, 1); |
| 1339 | |
| 1340 | if (chip->card_exist) |
Fabio Falzoi | 6c6f95a9 | 2015-06-19 17:44:33 +0200 | [diff] [blame] | 1341 | val = 0x02; |
Fabio Falzoi | a9b693c | 2015-06-14 15:48:53 +0200 | [diff] [blame] | 1342 | else |
| 1343 | val = 0x0A; |
| 1344 | |
| 1345 | rtsx_write_register(chip, CHANGE_LINK_STATE, val, val); |
| 1346 | |
| 1347 | if (enter_L1) |
| 1348 | rtsx_enter_L1(chip); |
| 1349 | |
| 1350 | if (chip->card_exist) |
| 1351 | chip->auto_delink_cnt = stage3_cnt + 1; |
| 1352 | } |
| 1353 | |
| 1354 | static void rtsx_delink_stage(struct rtsx_chip *chip) |
| 1355 | { |
| 1356 | int delink_stage1_cnt, delink_stage2_cnt, delink_stage3_cnt; |
| 1357 | int enter_L1; |
| 1358 | |
| 1359 | if (!chip->auto_delink_en || !chip->auto_delink_allowed || |
| 1360 | chip->card_ready || chip->card_ejected || chip->sd_io) { |
| 1361 | chip->auto_delink_cnt = 0; |
| 1362 | return; |
| 1363 | } |
| 1364 | |
| 1365 | enter_L1 = chip->auto_delink_in_L1 && |
| 1366 | (chip->aspm_l0s_l1_en || chip->ss_en); |
| 1367 | |
| 1368 | delink_stage1_cnt = chip->delink_stage1_step; |
| 1369 | delink_stage2_cnt = delink_stage1_cnt + chip->delink_stage2_step; |
| 1370 | delink_stage3_cnt = delink_stage2_cnt + chip->delink_stage3_step; |
| 1371 | |
| 1372 | if (chip->auto_delink_cnt > delink_stage3_cnt) |
| 1373 | return; |
| 1374 | |
| 1375 | if (chip->auto_delink_cnt == delink_stage1_cnt) |
| 1376 | rtsx_delink_stage1(chip, enter_L1, delink_stage3_cnt); |
| 1377 | |
| 1378 | if (chip->auto_delink_cnt == delink_stage2_cnt) { |
| 1379 | dev_dbg(rtsx_dev(chip), "Try to do force delink\n"); |
| 1380 | |
| 1381 | if (enter_L1) |
| 1382 | rtsx_exit_L1(chip); |
| 1383 | |
| 1384 | if (chip->asic_code && CHECK_PID(chip, 0x5208)) |
| 1385 | rtsx_set_phy_reg_bit(chip, 0x1C, 2); |
| 1386 | |
| 1387 | rtsx_write_register(chip, CHANGE_LINK_STATE, 0x0A, 0x0A); |
| 1388 | } |
| 1389 | |
| 1390 | chip->auto_delink_cnt++; |
| 1391 | } |
| 1392 | |
Fabio Falzoi | cb54764 | 2015-06-14 15:48:47 +0200 | [diff] [blame] | 1393 | void rtsx_polling_func(struct rtsx_chip *chip) |
| 1394 | { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1395 | if (rtsx_chk_stat(chip, RTSX_STAT_SUSPEND)) |
| 1396 | return; |
| 1397 | |
| 1398 | if (rtsx_chk_stat(chip, RTSX_STAT_DELINK)) |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 1399 | goto delink_stage; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1400 | |
| 1401 | if (chip->polling_config) { |
| 1402 | u8 val; |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 1403 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1404 | rtsx_read_config_byte(chip, 0, &val); |
| 1405 | } |
| 1406 | |
| 1407 | if (rtsx_chk_stat(chip, RTSX_STAT_SS)) |
| 1408 | return; |
| 1409 | |
Fabio Falzoi | 5076357 | 2015-06-14 15:48:48 +0200 | [diff] [blame] | 1410 | rtsx_manage_ocp(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1411 | |
Fabio Falzoi | cb54764 | 2015-06-14 15:48:47 +0200 | [diff] [blame] | 1412 | rtsx_manage_sd_lock(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1413 | |
| 1414 | rtsx_init_cards(chip); |
| 1415 | |
Fabio Falzoi | 3194993 | 2015-06-14 15:48:49 +0200 | [diff] [blame] | 1416 | rtsx_manage_ss(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1417 | |
Fabio Falzoi | 884a27e | 2015-06-14 15:48:50 +0200 | [diff] [blame] | 1418 | rtsx_manage_aspm(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1419 | |
Fabio Falzoi | 76d833a | 2015-06-14 15:48:51 +0200 | [diff] [blame] | 1420 | rtsx_manage_idle(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1421 | |
| 1422 | switch (rtsx_get_stat(chip)) { |
| 1423 | case RTSX_STAT_RUN: |
| 1424 | #if !defined(LED_AUTO_BLINK) && defined(REGULAR_BLINK) |
| 1425 | rtsx_blink_led(chip); |
| 1426 | #endif |
| 1427 | do_remaining_work(chip); |
| 1428 | break; |
| 1429 | |
| 1430 | case RTSX_STAT_IDLE: |
| 1431 | if (chip->sd_io && !chip->sd_int) |
| 1432 | try_to_switch_sdio_ctrl(chip); |
| 1433 | |
| 1434 | rtsx_enable_aspm(chip); |
| 1435 | break; |
| 1436 | |
| 1437 | default: |
| 1438 | break; |
| 1439 | } |
| 1440 | |
Fabio Falzoi | 00aa716 | 2015-06-14 15:48:52 +0200 | [diff] [blame] | 1441 | if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) |
| 1442 | rtsx_manage_2lun_mode(chip); |
| 1443 | else |
| 1444 | rtsx_manage_1lun_mode(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1445 | |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 1446 | delink_stage: |
Fabio Falzoi | a9b693c | 2015-06-14 15:48:53 +0200 | [diff] [blame] | 1447 | rtsx_delink_stage(chip); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1448 | } |
| 1449 | |
| 1450 | void rtsx_undo_delink(struct rtsx_chip *chip) |
| 1451 | { |
| 1452 | chip->auto_delink_allowed = 0; |
| 1453 | rtsx_write_register(chip, CHANGE_LINK_STATE, 0x0A, 0x00); |
| 1454 | } |
| 1455 | |
| 1456 | /** |
| 1457 | * rtsx_stop_cmd - stop command transfer and DMA transfer |
| 1458 | * @chip: Realtek's card reader chip |
| 1459 | * @card: flash card type |
| 1460 | * |
| 1461 | * Stop command transfer and DMA transfer. |
| 1462 | * This function is called in error handler. |
| 1463 | */ |
| 1464 | void rtsx_stop_cmd(struct rtsx_chip *chip, int card) |
| 1465 | { |
| 1466 | int i; |
| 1467 | |
| 1468 | for (i = 0; i <= 8; i++) { |
| 1469 | int addr = RTSX_HCBAR + i * 4; |
| 1470 | u32 reg; |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 1471 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1472 | reg = rtsx_readl(chip, addr); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1473 | dev_dbg(rtsx_dev(chip), "BAR (0x%02x): 0x%08x\n", addr, reg); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1474 | } |
| 1475 | rtsx_writel(chip, RTSX_HCBCTLR, STOP_CMD); |
| 1476 | rtsx_writel(chip, RTSX_HDBCTLR, STOP_DMA); |
| 1477 | |
| 1478 | for (i = 0; i < 16; i++) { |
| 1479 | u16 addr = 0xFE20 + (u16)i; |
| 1480 | u8 val; |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 1481 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1482 | rtsx_read_register(chip, addr, &val); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1483 | dev_dbg(rtsx_dev(chip), "0x%04X: 0x%02x\n", addr, val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1484 | } |
| 1485 | |
| 1486 | rtsx_write_register(chip, DMACTL, 0x80, 0x80); |
| 1487 | rtsx_write_register(chip, RBCTL, 0x80, 0x80); |
| 1488 | } |
| 1489 | |
| 1490 | #define MAX_RW_REG_CNT 1024 |
| 1491 | |
| 1492 | int rtsx_write_register(struct rtsx_chip *chip, u16 addr, u8 mask, u8 data) |
| 1493 | { |
| 1494 | int i; |
| 1495 | u32 val = 3 << 30; |
| 1496 | |
| 1497 | val |= (u32)(addr & 0x3FFF) << 16; |
| 1498 | val |= (u32)mask << 8; |
| 1499 | val |= (u32)data; |
| 1500 | |
| 1501 | rtsx_writel(chip, RTSX_HAIMR, val); |
| 1502 | |
| 1503 | for (i = 0; i < MAX_RW_REG_CNT; i++) { |
| 1504 | val = rtsx_readl(chip, RTSX_HAIMR); |
| 1505 | if ((val & (1 << 31)) == 0) { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1506 | if (data != (u8)val) { |
| 1507 | rtsx_trace(chip); |
| 1508 | return STATUS_FAIL; |
| 1509 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1510 | |
| 1511 | return STATUS_SUCCESS; |
| 1512 | } |
| 1513 | } |
| 1514 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1515 | rtsx_trace(chip); |
| 1516 | return STATUS_TIMEDOUT; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1517 | } |
| 1518 | |
| 1519 | int rtsx_read_register(struct rtsx_chip *chip, u16 addr, u8 *data) |
| 1520 | { |
| 1521 | u32 val = 2 << 30; |
| 1522 | int i; |
| 1523 | |
| 1524 | if (data) |
| 1525 | *data = 0; |
| 1526 | |
| 1527 | val |= (u32)(addr & 0x3FFF) << 16; |
| 1528 | |
| 1529 | rtsx_writel(chip, RTSX_HAIMR, val); |
| 1530 | |
| 1531 | for (i = 0; i < MAX_RW_REG_CNT; i++) { |
| 1532 | val = rtsx_readl(chip, RTSX_HAIMR); |
| 1533 | if ((val & (1 << 31)) == 0) |
| 1534 | break; |
| 1535 | } |
| 1536 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1537 | if (i >= MAX_RW_REG_CNT) { |
| 1538 | rtsx_trace(chip); |
| 1539 | return STATUS_TIMEDOUT; |
| 1540 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1541 | |
| 1542 | if (data) |
| 1543 | *data = (u8)(val & 0xFF); |
| 1544 | |
| 1545 | return STATUS_SUCCESS; |
| 1546 | } |
| 1547 | |
| 1548 | int rtsx_write_cfg_dw(struct rtsx_chip *chip, u8 func_no, u16 addr, u32 mask, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 1549 | u32 val) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1550 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1551 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1552 | u8 mode = 0, tmp; |
| 1553 | int i; |
| 1554 | |
| 1555 | for (i = 0; i < 4; i++) { |
| 1556 | if (mask & 0xFF) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1557 | retval = rtsx_write_register(chip, CFGDATA0 + i, |
| 1558 | 0xFF, |
| 1559 | (u8)(val & mask & 0xFF)); |
| 1560 | if (retval) { |
| 1561 | rtsx_trace(chip); |
| 1562 | return retval; |
| 1563 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1564 | mode |= (1 << i); |
| 1565 | } |
| 1566 | mask >>= 8; |
| 1567 | val >>= 8; |
| 1568 | } |
| 1569 | |
| 1570 | if (mode) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1571 | retval = rtsx_write_register(chip, CFGADDR0, 0xFF, (u8)addr); |
| 1572 | if (retval) { |
| 1573 | rtsx_trace(chip); |
| 1574 | return retval; |
| 1575 | } |
| 1576 | retval = rtsx_write_register(chip, CFGADDR1, 0xFF, |
| 1577 | (u8)(addr >> 8)); |
| 1578 | if (retval) { |
| 1579 | rtsx_trace(chip); |
| 1580 | return retval; |
| 1581 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1582 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1583 | retval = rtsx_write_register(chip, CFGRWCTL, 0xFF, |
| 1584 | 0x80 | mode | ((func_no & 0x03) << 4)); |
| 1585 | if (retval) { |
| 1586 | rtsx_trace(chip); |
| 1587 | return retval; |
| 1588 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1589 | |
| 1590 | for (i = 0; i < MAX_RW_REG_CNT; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1591 | retval = rtsx_read_register(chip, CFGRWCTL, &tmp); |
| 1592 | if (retval) { |
| 1593 | rtsx_trace(chip); |
| 1594 | return retval; |
| 1595 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1596 | if ((tmp & 0x80) == 0) |
| 1597 | break; |
| 1598 | } |
| 1599 | } |
| 1600 | |
| 1601 | return STATUS_SUCCESS; |
| 1602 | } |
| 1603 | |
| 1604 | int rtsx_read_cfg_dw(struct rtsx_chip *chip, u8 func_no, u16 addr, u32 *val) |
| 1605 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1606 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1607 | int i; |
| 1608 | u8 tmp; |
| 1609 | u32 data = 0; |
| 1610 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1611 | retval = rtsx_write_register(chip, CFGADDR0, 0xFF, (u8)addr); |
| 1612 | if (retval) { |
| 1613 | rtsx_trace(chip); |
| 1614 | return retval; |
| 1615 | } |
| 1616 | retval = rtsx_write_register(chip, CFGADDR1, 0xFF, (u8)(addr >> 8)); |
| 1617 | if (retval) { |
| 1618 | rtsx_trace(chip); |
| 1619 | return retval; |
| 1620 | } |
| 1621 | retval = rtsx_write_register(chip, CFGRWCTL, 0xFF, |
| 1622 | 0x80 | ((func_no & 0x03) << 4)); |
| 1623 | if (retval) { |
| 1624 | rtsx_trace(chip); |
| 1625 | return retval; |
| 1626 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1627 | |
| 1628 | for (i = 0; i < MAX_RW_REG_CNT; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1629 | retval = rtsx_read_register(chip, CFGRWCTL, &tmp); |
| 1630 | if (retval) { |
| 1631 | rtsx_trace(chip); |
| 1632 | return retval; |
| 1633 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1634 | if ((tmp & 0x80) == 0) |
| 1635 | break; |
| 1636 | } |
| 1637 | |
| 1638 | for (i = 0; i < 4; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1639 | retval = rtsx_read_register(chip, CFGDATA0 + i, &tmp); |
| 1640 | if (retval) { |
| 1641 | rtsx_trace(chip); |
| 1642 | return retval; |
| 1643 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1644 | data |= (u32)tmp << (i * 8); |
| 1645 | } |
| 1646 | |
| 1647 | if (val) |
| 1648 | *val = data; |
| 1649 | |
| 1650 | return STATUS_SUCCESS; |
| 1651 | } |
| 1652 | |
| 1653 | int rtsx_write_cfg_seq(struct rtsx_chip *chip, u8 func, u16 addr, u8 *buf, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 1654 | int len) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1655 | { |
| 1656 | u32 *data, *mask; |
| 1657 | u16 offset = addr % 4; |
| 1658 | u16 aligned_addr = addr - offset; |
| 1659 | int dw_len, i, j; |
| 1660 | int retval; |
| 1661 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1662 | if (!buf) { |
| 1663 | rtsx_trace(chip); |
| 1664 | return STATUS_NOMEM; |
| 1665 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1666 | |
| 1667 | if ((len + offset) % 4) |
| 1668 | dw_len = (len + offset) / 4 + 1; |
| 1669 | else |
| 1670 | dw_len = (len + offset) / 4; |
| 1671 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1672 | dev_dbg(rtsx_dev(chip), "dw_len = %d\n", dw_len); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1673 | |
| 1674 | data = vzalloc(dw_len * 4); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1675 | if (!data) { |
| 1676 | rtsx_trace(chip); |
| 1677 | return STATUS_NOMEM; |
| 1678 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1679 | |
| 1680 | mask = vzalloc(dw_len * 4); |
| 1681 | if (!mask) { |
| 1682 | vfree(data); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1683 | rtsx_trace(chip); |
| 1684 | return STATUS_NOMEM; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1685 | } |
| 1686 | |
| 1687 | j = 0; |
| 1688 | for (i = 0; i < len; i++) { |
| 1689 | mask[j] |= 0xFF << (offset * 8); |
| 1690 | data[j] |= buf[i] << (offset * 8); |
| 1691 | if (++offset == 4) { |
| 1692 | j++; |
| 1693 | offset = 0; |
| 1694 | } |
| 1695 | } |
| 1696 | |
Fabio Falzoi | 69b8b22 | 2014-08-05 23:24:17 +0200 | [diff] [blame] | 1697 | print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, mask, |
| 1698 | dw_len * 4); |
| 1699 | print_hex_dump_bytes(KBUILD_MODNAME ": ", DUMP_PREFIX_NONE, data, |
| 1700 | dw_len * 4); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1701 | |
| 1702 | for (i = 0; i < dw_len; i++) { |
| 1703 | retval = rtsx_write_cfg_dw(chip, func, aligned_addr + i * 4, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 1704 | mask[i], data[i]); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1705 | if (retval != STATUS_SUCCESS) { |
| 1706 | vfree(data); |
| 1707 | vfree(mask); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1708 | rtsx_trace(chip); |
| 1709 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1710 | } |
| 1711 | } |
| 1712 | |
| 1713 | vfree(data); |
| 1714 | vfree(mask); |
| 1715 | |
| 1716 | return STATUS_SUCCESS; |
| 1717 | } |
| 1718 | |
| 1719 | int rtsx_read_cfg_seq(struct rtsx_chip *chip, u8 func, u16 addr, u8 *buf, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 1720 | int len) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1721 | { |
| 1722 | u32 *data; |
| 1723 | u16 offset = addr % 4; |
| 1724 | u16 aligned_addr = addr - offset; |
| 1725 | int dw_len, i, j; |
| 1726 | int retval; |
| 1727 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1728 | if ((len + offset) % 4) |
| 1729 | dw_len = (len + offset) / 4 + 1; |
| 1730 | else |
| 1731 | dw_len = (len + offset) / 4; |
| 1732 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1733 | dev_dbg(rtsx_dev(chip), "dw_len = %d\n", dw_len); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1734 | |
| 1735 | data = vmalloc(dw_len * 4); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1736 | if (!data) { |
| 1737 | rtsx_trace(chip); |
| 1738 | return STATUS_NOMEM; |
| 1739 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1740 | |
| 1741 | for (i = 0; i < dw_len; i++) { |
| 1742 | retval = rtsx_read_cfg_dw(chip, func, aligned_addr + i * 4, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 1743 | data + i); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1744 | if (retval != STATUS_SUCCESS) { |
| 1745 | vfree(data); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1746 | rtsx_trace(chip); |
| 1747 | return STATUS_FAIL; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1748 | } |
| 1749 | } |
| 1750 | |
| 1751 | if (buf) { |
| 1752 | j = 0; |
| 1753 | |
| 1754 | for (i = 0; i < len; i++) { |
| 1755 | buf[i] = (u8)(data[j] >> (offset * 8)); |
| 1756 | if (++offset == 4) { |
| 1757 | j++; |
| 1758 | offset = 0; |
| 1759 | } |
| 1760 | } |
| 1761 | } |
| 1762 | |
| 1763 | vfree(data); |
| 1764 | |
| 1765 | return STATUS_SUCCESS; |
| 1766 | } |
| 1767 | |
| 1768 | int rtsx_write_phy_register(struct rtsx_chip *chip, u8 addr, u16 val) |
| 1769 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1770 | int retval; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1771 | bool finished = false; |
| 1772 | int i; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1773 | u8 tmp; |
| 1774 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1775 | retval = rtsx_write_register(chip, PHYDATA0, 0xFF, (u8)val); |
| 1776 | if (retval) { |
| 1777 | rtsx_trace(chip); |
| 1778 | return retval; |
| 1779 | } |
| 1780 | retval = rtsx_write_register(chip, PHYDATA1, 0xFF, (u8)(val >> 8)); |
| 1781 | if (retval) { |
| 1782 | rtsx_trace(chip); |
| 1783 | return retval; |
| 1784 | } |
| 1785 | retval = rtsx_write_register(chip, PHYADDR, 0xFF, addr); |
| 1786 | if (retval) { |
| 1787 | rtsx_trace(chip); |
| 1788 | return retval; |
| 1789 | } |
| 1790 | retval = rtsx_write_register(chip, PHYRWCTL, 0xFF, 0x81); |
| 1791 | if (retval) { |
| 1792 | rtsx_trace(chip); |
| 1793 | return retval; |
| 1794 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1795 | |
| 1796 | for (i = 0; i < 100000; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1797 | retval = rtsx_read_register(chip, PHYRWCTL, &tmp); |
| 1798 | if (retval) { |
| 1799 | rtsx_trace(chip); |
| 1800 | return retval; |
| 1801 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1802 | if (!(tmp & 0x80)) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1803 | finished = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1804 | break; |
| 1805 | } |
| 1806 | } |
| 1807 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1808 | if (!finished) { |
| 1809 | rtsx_trace(chip); |
| 1810 | return STATUS_FAIL; |
| 1811 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1812 | |
| 1813 | return STATUS_SUCCESS; |
| 1814 | } |
| 1815 | |
| 1816 | int rtsx_read_phy_register(struct rtsx_chip *chip, u8 addr, u16 *val) |
| 1817 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1818 | int retval; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1819 | bool finished = false; |
| 1820 | int i; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1821 | u16 data = 0; |
| 1822 | u8 tmp; |
| 1823 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1824 | retval = rtsx_write_register(chip, PHYADDR, 0xFF, addr); |
| 1825 | if (retval) { |
| 1826 | rtsx_trace(chip); |
| 1827 | return retval; |
| 1828 | } |
| 1829 | retval = rtsx_write_register(chip, PHYRWCTL, 0xFF, 0x80); |
| 1830 | if (retval) { |
| 1831 | rtsx_trace(chip); |
| 1832 | return retval; |
| 1833 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1834 | |
| 1835 | for (i = 0; i < 100000; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1836 | retval = rtsx_read_register(chip, PHYRWCTL, &tmp); |
| 1837 | if (retval) { |
| 1838 | rtsx_trace(chip); |
| 1839 | return retval; |
| 1840 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1841 | if (!(tmp & 0x80)) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 1842 | finished = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1843 | break; |
| 1844 | } |
| 1845 | } |
| 1846 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1847 | if (!finished) { |
| 1848 | rtsx_trace(chip); |
| 1849 | return STATUS_FAIL; |
| 1850 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1851 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1852 | retval = rtsx_read_register(chip, PHYDATA0, &tmp); |
| 1853 | if (retval) { |
| 1854 | rtsx_trace(chip); |
| 1855 | return retval; |
| 1856 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1857 | data = tmp; |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1858 | retval = rtsx_read_register(chip, PHYDATA1, &tmp); |
| 1859 | if (retval) { |
| 1860 | rtsx_trace(chip); |
| 1861 | return retval; |
| 1862 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1863 | data |= (u16)tmp << 8; |
| 1864 | |
| 1865 | if (val) |
| 1866 | *val = data; |
| 1867 | |
| 1868 | return STATUS_SUCCESS; |
| 1869 | } |
| 1870 | |
| 1871 | int rtsx_read_efuse(struct rtsx_chip *chip, u8 addr, u8 *val) |
| 1872 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1873 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1874 | int i; |
| 1875 | u8 data = 0; |
| 1876 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1877 | retval = rtsx_write_register(chip, EFUSE_CTRL, 0xFF, 0x80 | addr); |
| 1878 | if (retval) { |
| 1879 | rtsx_trace(chip); |
| 1880 | return retval; |
| 1881 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1882 | |
| 1883 | for (i = 0; i < 100; i++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1884 | retval = rtsx_read_register(chip, EFUSE_CTRL, &data); |
| 1885 | if (retval) { |
| 1886 | rtsx_trace(chip); |
| 1887 | return retval; |
| 1888 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1889 | if (!(data & 0x80)) |
| 1890 | break; |
| 1891 | udelay(1); |
| 1892 | } |
| 1893 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1894 | if (data & 0x80) { |
| 1895 | rtsx_trace(chip); |
| 1896 | return STATUS_TIMEDOUT; |
| 1897 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1898 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1899 | retval = rtsx_read_register(chip, EFUSE_DATA, &data); |
| 1900 | if (retval) { |
| 1901 | rtsx_trace(chip); |
| 1902 | return retval; |
| 1903 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1904 | if (val) |
| 1905 | *val = data; |
| 1906 | |
| 1907 | return STATUS_SUCCESS; |
| 1908 | } |
| 1909 | |
| 1910 | int rtsx_write_efuse(struct rtsx_chip *chip, u8 addr, u8 val) |
| 1911 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1912 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1913 | int i, j; |
| 1914 | u8 data = 0, tmp = 0xFF; |
| 1915 | |
| 1916 | for (i = 0; i < 8; i++) { |
| 1917 | if (val & (u8)(1 << i)) |
| 1918 | continue; |
| 1919 | |
| 1920 | tmp &= (~(u8)(1 << i)); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 1921 | dev_dbg(rtsx_dev(chip), "Write 0x%x to 0x%x\n", tmp, addr); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1922 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1923 | retval = rtsx_write_register(chip, EFUSE_DATA, 0xFF, tmp); |
| 1924 | if (retval) { |
| 1925 | rtsx_trace(chip); |
| 1926 | return retval; |
| 1927 | } |
| 1928 | retval = rtsx_write_register(chip, EFUSE_CTRL, 0xFF, |
| 1929 | 0xA0 | addr); |
| 1930 | if (retval) { |
| 1931 | rtsx_trace(chip); |
| 1932 | return retval; |
| 1933 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1934 | |
| 1935 | for (j = 0; j < 100; j++) { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 1936 | retval = rtsx_read_register(chip, EFUSE_CTRL, &data); |
| 1937 | if (retval) { |
| 1938 | rtsx_trace(chip); |
| 1939 | return retval; |
| 1940 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1941 | if (!(data & 0x80)) |
| 1942 | break; |
| 1943 | wait_timeout(3); |
| 1944 | } |
| 1945 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1946 | if (data & 0x80) { |
| 1947 | rtsx_trace(chip); |
| 1948 | return STATUS_TIMEDOUT; |
| 1949 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1950 | |
| 1951 | wait_timeout(5); |
| 1952 | } |
| 1953 | |
| 1954 | return STATUS_SUCCESS; |
| 1955 | } |
| 1956 | |
| 1957 | int rtsx_clr_phy_reg_bit(struct rtsx_chip *chip, u8 reg, u8 bit) |
| 1958 | { |
| 1959 | int retval; |
| 1960 | u16 value; |
| 1961 | |
| 1962 | retval = rtsx_read_phy_register(chip, reg, &value); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1963 | if (retval != STATUS_SUCCESS) { |
| 1964 | rtsx_trace(chip); |
| 1965 | return STATUS_FAIL; |
| 1966 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1967 | |
| 1968 | if (value & (1 << bit)) { |
| 1969 | value &= ~(1 << bit); |
| 1970 | retval = rtsx_write_phy_register(chip, reg, value); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1971 | if (retval != STATUS_SUCCESS) { |
| 1972 | rtsx_trace(chip); |
| 1973 | return STATUS_FAIL; |
| 1974 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1975 | } |
| 1976 | |
| 1977 | return STATUS_SUCCESS; |
| 1978 | } |
| 1979 | |
| 1980 | int rtsx_set_phy_reg_bit(struct rtsx_chip *chip, u8 reg, u8 bit) |
| 1981 | { |
| 1982 | int retval; |
| 1983 | u16 value; |
| 1984 | |
| 1985 | retval = rtsx_read_phy_register(chip, reg, &value); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1986 | if (retval != STATUS_SUCCESS) { |
| 1987 | rtsx_trace(chip); |
| 1988 | return STATUS_FAIL; |
| 1989 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1990 | |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 1991 | if ((value & (1 << bit)) == 0) { |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1992 | value |= (1 << bit); |
| 1993 | retval = rtsx_write_phy_register(chip, reg, value); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 1994 | if (retval != STATUS_SUCCESS) { |
| 1995 | rtsx_trace(chip); |
| 1996 | return STATUS_FAIL; |
| 1997 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 1998 | } |
| 1999 | |
| 2000 | return STATUS_SUCCESS; |
| 2001 | } |
| 2002 | |
| 2003 | int rtsx_check_link_ready(struct rtsx_chip *chip) |
| 2004 | { |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2005 | int retval; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2006 | u8 val; |
| 2007 | |
Joe Perches | 8ee775f | 2015-03-25 12:54:26 -0700 | [diff] [blame] | 2008 | retval = rtsx_read_register(chip, IRQSTAT0, &val); |
| 2009 | if (retval) { |
| 2010 | rtsx_trace(chip); |
| 2011 | return retval; |
| 2012 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2013 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2014 | dev_dbg(rtsx_dev(chip), "IRQSTAT0: 0x%x\n", val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2015 | if (val & LINK_RDY_INT) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2016 | dev_dbg(rtsx_dev(chip), "Delinked!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2017 | rtsx_write_register(chip, IRQSTAT0, LINK_RDY_INT, LINK_RDY_INT); |
| 2018 | return STATUS_FAIL; |
| 2019 | } |
| 2020 | |
| 2021 | return STATUS_SUCCESS; |
| 2022 | } |
| 2023 | |
| 2024 | static void rtsx_handle_pm_dstate(struct rtsx_chip *chip, u8 dstate) |
| 2025 | { |
| 2026 | u32 ultmp; |
| 2027 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2028 | dev_dbg(rtsx_dev(chip), "%04x set pm_dstate to %d\n", |
| 2029 | chip->product_id, dstate); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2030 | |
| 2031 | if (CHK_SDIO_EXIST(chip)) { |
| 2032 | u8 func_no; |
| 2033 | |
| 2034 | if (CHECK_PID(chip, 0x5288)) |
| 2035 | func_no = 2; |
| 2036 | else |
| 2037 | func_no = 1; |
| 2038 | |
| 2039 | rtsx_read_cfg_dw(chip, func_no, 0x84, &ultmp); |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2040 | dev_dbg(rtsx_dev(chip), "pm_dstate of function %d: 0x%x\n", |
| 2041 | (int)func_no, ultmp); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2042 | rtsx_write_cfg_dw(chip, func_no, 0x84, 0xFF, dstate); |
| 2043 | } |
| 2044 | |
| 2045 | rtsx_write_config_byte(chip, 0x44, dstate); |
| 2046 | rtsx_write_config_byte(chip, 0x45, 0); |
| 2047 | } |
| 2048 | |
| 2049 | void rtsx_enter_L1(struct rtsx_chip *chip) |
| 2050 | { |
| 2051 | rtsx_handle_pm_dstate(chip, 2); |
| 2052 | } |
| 2053 | |
| 2054 | void rtsx_exit_L1(struct rtsx_chip *chip) |
| 2055 | { |
| 2056 | rtsx_write_config_byte(chip, 0x44, 0); |
| 2057 | rtsx_write_config_byte(chip, 0x45, 0); |
| 2058 | } |
| 2059 | |
| 2060 | void rtsx_enter_ss(struct rtsx_chip *chip) |
| 2061 | { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2062 | dev_dbg(rtsx_dev(chip), "Enter Selective Suspend State!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2063 | |
| 2064 | rtsx_write_register(chip, IRQSTAT0, LINK_RDY_INT, LINK_RDY_INT); |
| 2065 | |
| 2066 | if (chip->power_down_in_ss) { |
| 2067 | rtsx_power_off_card(chip); |
| 2068 | rtsx_force_power_down(chip, SSC_PDCTL | OC_PDCTL); |
| 2069 | } |
| 2070 | |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 2071 | if (CHK_SDIO_EXIST(chip)) |
| 2072 | rtsx_write_cfg_dw(chip, CHECK_PID(chip, 0x5288) ? 2 : 1, |
| 2073 | 0xC0, 0xFF00, 0x0100); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2074 | |
| 2075 | if (chip->auto_delink_en) { |
| 2076 | rtsx_write_register(chip, HOST_SLEEP_STATE, 0x01, 0x01); |
| 2077 | } else { |
| 2078 | if (!chip->phy_debug_mode) { |
| 2079 | u32 tmp; |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 2080 | |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2081 | tmp = rtsx_readl(chip, RTSX_BIER); |
| 2082 | tmp |= CARD_INT; |
| 2083 | rtsx_writel(chip, RTSX_BIER, tmp); |
| 2084 | } |
| 2085 | |
| 2086 | rtsx_write_register(chip, CHANGE_LINK_STATE, 0x02, 0); |
| 2087 | } |
| 2088 | |
| 2089 | rtsx_enter_L1(chip); |
| 2090 | |
| 2091 | RTSX_CLR_DELINK(chip); |
| 2092 | rtsx_set_stat(chip, RTSX_STAT_SS); |
| 2093 | } |
| 2094 | |
| 2095 | void rtsx_exit_ss(struct rtsx_chip *chip) |
| 2096 | { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2097 | dev_dbg(rtsx_dev(chip), "Exit Selective Suspend State!\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2098 | |
| 2099 | rtsx_exit_L1(chip); |
| 2100 | |
| 2101 | if (chip->power_down_in_ss) { |
| 2102 | rtsx_force_power_on(chip, SSC_PDCTL | OC_PDCTL); |
| 2103 | udelay(1000); |
| 2104 | } |
| 2105 | |
| 2106 | if (RTSX_TST_DELINK(chip)) { |
| 2107 | chip->need_reinit = SD_CARD | MS_CARD | XD_CARD; |
| 2108 | rtsx_reinit_cards(chip, 1); |
| 2109 | RTSX_CLR_DELINK(chip); |
| 2110 | } else if (chip->power_down_in_ss) { |
| 2111 | chip->need_reinit = SD_CARD | MS_CARD | XD_CARD; |
| 2112 | rtsx_reinit_cards(chip, 0); |
| 2113 | } |
| 2114 | } |
| 2115 | |
| 2116 | int rtsx_pre_handle_interrupt(struct rtsx_chip *chip) |
| 2117 | { |
| 2118 | u32 status, int_enable; |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2119 | bool exit_ss = false; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2120 | #ifdef SUPPORT_OCP |
| 2121 | u32 ocp_int = 0; |
| 2122 | |
| 2123 | ocp_int = OC_INT; |
| 2124 | #endif |
| 2125 | |
| 2126 | if (chip->ss_en) { |
| 2127 | chip->ss_counter = 0; |
| 2128 | if (rtsx_get_stat(chip) == RTSX_STAT_SS) { |
Quentin Lambert | de904bf | 2015-03-04 11:31:01 +0100 | [diff] [blame] | 2129 | exit_ss = true; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2130 | rtsx_exit_L1(chip); |
| 2131 | rtsx_set_stat(chip, RTSX_STAT_RUN); |
| 2132 | } |
| 2133 | } |
| 2134 | |
| 2135 | int_enable = rtsx_readl(chip, RTSX_BIER); |
| 2136 | chip->int_reg = rtsx_readl(chip, RTSX_BIPR); |
| 2137 | |
| 2138 | if (((chip->int_reg & int_enable) == 0) || |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2139 | (chip->int_reg == 0xFFFFFFFF)) |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2140 | return STATUS_FAIL; |
| 2141 | |
| 2142 | status = chip->int_reg &= (int_enable | 0x7FFFFF); |
| 2143 | |
| 2144 | if (status & CARD_INT) { |
| 2145 | chip->auto_delink_cnt = 0; |
| 2146 | |
| 2147 | if (status & SD_INT) { |
| 2148 | if (status & SD_EXIST) { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2149 | set_bit(SD_NR, &chip->need_reset); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2150 | } else { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2151 | set_bit(SD_NR, &chip->need_release); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2152 | chip->sd_reset_counter = 0; |
| 2153 | chip->sd_show_cnt = 0; |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2154 | clear_bit(SD_NR, &chip->need_reset); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2155 | } |
| 2156 | } else { |
Punit Vara | 60d6a21 | 2015-09-21 21:59:41 +0530 | [diff] [blame] | 2157 | /* |
| 2158 | * If multi-luns, it's possible that |
| 2159 | * when plugging/unplugging one card |
| 2160 | * there is another card which still |
| 2161 | * exists in the slot. In this case, |
| 2162 | * all existed cards should be reset. |
| 2163 | */ |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2164 | if (exit_ss && (status & SD_EXIST)) |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2165 | set_bit(SD_NR, &chip->need_reinit); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2166 | } |
| 2167 | if (!CHECK_PID(chip, 0x5288) || CHECK_BARO_PKG(chip, QFN)) { |
| 2168 | if (status & XD_INT) { |
| 2169 | if (status & XD_EXIST) { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2170 | set_bit(XD_NR, &chip->need_reset); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2171 | } else { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2172 | set_bit(XD_NR, &chip->need_release); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2173 | chip->xd_reset_counter = 0; |
| 2174 | chip->xd_show_cnt = 0; |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2175 | clear_bit(XD_NR, &chip->need_reset); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2176 | } |
| 2177 | } else { |
| 2178 | if (exit_ss && (status & XD_EXIST)) |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2179 | set_bit(XD_NR, &chip->need_reinit); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2180 | } |
| 2181 | } |
| 2182 | if (status & MS_INT) { |
| 2183 | if (status & MS_EXIST) { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2184 | set_bit(MS_NR, &chip->need_reset); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2185 | } else { |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2186 | set_bit(MS_NR, &chip->need_release); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2187 | chip->ms_reset_counter = 0; |
| 2188 | chip->ms_show_cnt = 0; |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2189 | clear_bit(MS_NR, &chip->need_reset); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2190 | } |
| 2191 | } else { |
| 2192 | if (exit_ss && (status & MS_EXIST)) |
Giedrius Statkevičius | e050dda | 2014-10-04 00:31:18 +0300 | [diff] [blame] | 2193 | set_bit(MS_NR, &chip->need_reinit); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2194 | } |
| 2195 | } |
| 2196 | |
| 2197 | #ifdef SUPPORT_OCP |
| 2198 | chip->ocp_int = ocp_int & status; |
| 2199 | #endif |
| 2200 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2201 | if (chip->sd_io && (chip->int_reg & DATA_DONE_INT)) |
| 2202 | chip->int_reg &= ~(u32)DATA_DONE_INT; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2203 | |
| 2204 | return STATUS_SUCCESS; |
| 2205 | } |
| 2206 | |
| 2207 | void rtsx_do_before_power_down(struct rtsx_chip *chip, int pm_stat) |
| 2208 | { |
| 2209 | int retval; |
| 2210 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2211 | dev_dbg(rtsx_dev(chip), "%s, pm_stat = %d\n", __func__, pm_stat); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2212 | |
| 2213 | rtsx_set_stat(chip, RTSX_STAT_SUSPEND); |
| 2214 | |
| 2215 | retval = rtsx_force_power_on(chip, SSC_PDCTL); |
| 2216 | if (retval != STATUS_SUCCESS) |
| 2217 | return; |
| 2218 | |
| 2219 | rtsx_release_cards(chip); |
| 2220 | rtsx_disable_bus_int(chip); |
| 2221 | turn_off_led(chip, LED_GPIO); |
| 2222 | |
| 2223 | #ifdef HW_AUTO_SWITCH_SD_BUS |
| 2224 | if (chip->sd_io) { |
| 2225 | chip->sdio_in_charge = 1; |
| 2226 | if (CHECK_PID(chip, 0x5208)) { |
| 2227 | rtsx_write_register(chip, TLPTISTAT, 0x08, 0x08); |
| 2228 | /* Enable sdio_bus_auto_switch */ |
| 2229 | rtsx_write_register(chip, 0xFE70, 0x80, 0x80); |
| 2230 | } else if (CHECK_PID(chip, 0x5288)) { |
| 2231 | rtsx_write_register(chip, TLPTISTAT, 0x08, 0x08); |
| 2232 | /* Enable sdio_bus_auto_switch */ |
| 2233 | rtsx_write_register(chip, 0xFE5A, 0x08, 0x08); |
| 2234 | } |
| 2235 | } |
| 2236 | #endif |
| 2237 | |
| 2238 | if (CHECK_PID(chip, 0x5208) && (chip->ic_version >= IC_VER_D)) { |
| 2239 | /* u_force_clkreq_0 */ |
| 2240 | rtsx_write_register(chip, PETXCFG, 0x08, 0x08); |
| 2241 | } |
| 2242 | |
| 2243 | if (pm_stat == PM_S1) { |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2244 | dev_dbg(rtsx_dev(chip), "Host enter S1\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2245 | rtsx_write_register(chip, HOST_SLEEP_STATE, 0x03, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2246 | HOST_ENTER_S1); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2247 | } else if (pm_stat == PM_S3) { |
| 2248 | if (chip->s3_pwr_off_delay > 0) |
| 2249 | wait_timeout(chip->s3_pwr_off_delay); |
| 2250 | |
Fabio Falzoi | bf6c0d1 | 2014-07-30 00:15:53 +0200 | [diff] [blame] | 2251 | dev_dbg(rtsx_dev(chip), "Host enter S3\n"); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2252 | rtsx_write_register(chip, HOST_SLEEP_STATE, 0x03, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2253 | HOST_ENTER_S3); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2254 | } |
| 2255 | |
| 2256 | if (chip->do_delink_before_power_down && chip->auto_delink_en) |
| 2257 | rtsx_write_register(chip, CHANGE_LINK_STATE, 0x02, 2); |
| 2258 | |
| 2259 | rtsx_force_power_down(chip, SSC_PDCTL | OC_PDCTL); |
| 2260 | |
| 2261 | chip->cur_clk = 0; |
| 2262 | chip->cur_card = 0; |
| 2263 | chip->card_exist = 0; |
| 2264 | } |
| 2265 | |
| 2266 | void rtsx_enable_aspm(struct rtsx_chip *chip) |
| 2267 | { |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2268 | if (chip->aspm_l0s_l1_en && chip->dynamic_aspm && !chip->aspm_enabled) { |
| 2269 | dev_dbg(rtsx_dev(chip), "Try to enable ASPM\n"); |
| 2270 | chip->aspm_enabled = 1; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2271 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2272 | if (chip->asic_code && CHECK_PID(chip, 0x5208)) |
| 2273 | rtsx_write_phy_register(chip, 0x07, 0); |
| 2274 | if (CHECK_PID(chip, 0x5208)) { |
| 2275 | rtsx_write_register(chip, ASPM_FORCE_CTL, 0xF3, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2276 | 0x30 | chip->aspm_level[0]); |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2277 | } else { |
| 2278 | rtsx_write_config_byte(chip, LCTLR, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2279 | chip->aspm_l0s_l1_en); |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2280 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2281 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2282 | if (CHK_SDIO_EXIST(chip)) { |
| 2283 | u16 val = chip->aspm_l0s_l1_en | 0x0100; |
Mahati Chamarthy | 0be0b27 | 2014-09-25 02:53:54 +0530 | [diff] [blame] | 2284 | |
Giedrius Statkevičius | 609fc15 | 2014-10-04 00:31:21 +0300 | [diff] [blame] | 2285 | rtsx_write_cfg_dw(chip, CHECK_PID(chip, 0x5288) ? 2 : 1, |
| 2286 | 0xC0, 0xFFF, val); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2287 | } |
| 2288 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2289 | } |
| 2290 | |
| 2291 | void rtsx_disable_aspm(struct rtsx_chip *chip) |
| 2292 | { |
| 2293 | if (CHECK_PID(chip, 0x5208)) |
| 2294 | rtsx_monitor_aspm_config(chip); |
| 2295 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2296 | if (chip->aspm_l0s_l1_en && chip->dynamic_aspm && chip->aspm_enabled) { |
| 2297 | dev_dbg(rtsx_dev(chip), "Try to disable ASPM\n"); |
| 2298 | chip->aspm_enabled = 0; |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2299 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2300 | if (chip->asic_code && CHECK_PID(chip, 0x5208)) |
| 2301 | rtsx_write_phy_register(chip, 0x07, 0x0129); |
| 2302 | if (CHECK_PID(chip, 0x5208)) |
| 2303 | rtsx_write_register(chip, ASPM_FORCE_CTL, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2304 | 0xF3, 0x30); |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2305 | else |
| 2306 | rtsx_write_config_byte(chip, LCTLR, 0x00); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2307 | |
Giedrius Statkevičius | 175dbfa | 2014-10-04 00:31:17 +0300 | [diff] [blame] | 2308 | wait_timeout(1); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2309 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2310 | } |
| 2311 | |
| 2312 | int rtsx_read_ppbuf(struct rtsx_chip *chip, u8 *buf, int buf_len) |
| 2313 | { |
| 2314 | int retval; |
| 2315 | int i, j; |
| 2316 | u16 reg_addr; |
| 2317 | u8 *ptr; |
| 2318 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2319 | if (!buf) { |
| 2320 | rtsx_trace(chip); |
| 2321 | return STATUS_ERROR; |
| 2322 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2323 | |
| 2324 | ptr = buf; |
| 2325 | reg_addr = PPBUF_BASE2; |
| 2326 | for (i = 0; i < buf_len/256; i++) { |
| 2327 | rtsx_init_cmd(chip); |
| 2328 | |
| 2329 | for (j = 0; j < 256; j++) |
| 2330 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr++, 0, 0); |
| 2331 | |
| 2332 | retval = rtsx_send_cmd(chip, 0, 250); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2333 | if (retval < 0) { |
| 2334 | rtsx_trace(chip); |
| 2335 | return STATUS_FAIL; |
| 2336 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2337 | |
| 2338 | memcpy(ptr, rtsx_get_cmd_data(chip), 256); |
| 2339 | ptr += 256; |
| 2340 | } |
| 2341 | |
| 2342 | if (buf_len%256) { |
| 2343 | rtsx_init_cmd(chip); |
| 2344 | |
| 2345 | for (j = 0; j < buf_len%256; j++) |
| 2346 | rtsx_add_cmd(chip, READ_REG_CMD, reg_addr++, 0, 0); |
| 2347 | |
| 2348 | retval = rtsx_send_cmd(chip, 0, 250); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2349 | if (retval < 0) { |
| 2350 | rtsx_trace(chip); |
| 2351 | return STATUS_FAIL; |
| 2352 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2353 | } |
| 2354 | |
| 2355 | memcpy(ptr, rtsx_get_cmd_data(chip), buf_len%256); |
| 2356 | |
| 2357 | return STATUS_SUCCESS; |
| 2358 | } |
| 2359 | |
| 2360 | int rtsx_write_ppbuf(struct rtsx_chip *chip, u8 *buf, int buf_len) |
| 2361 | { |
| 2362 | int retval; |
| 2363 | int i, j; |
| 2364 | u16 reg_addr; |
| 2365 | u8 *ptr; |
| 2366 | |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2367 | if (!buf) { |
| 2368 | rtsx_trace(chip); |
| 2369 | return STATUS_ERROR; |
| 2370 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2371 | |
| 2372 | ptr = buf; |
| 2373 | reg_addr = PPBUF_BASE2; |
| 2374 | for (i = 0; i < buf_len/256; i++) { |
| 2375 | rtsx_init_cmd(chip); |
| 2376 | |
| 2377 | for (j = 0; j < 256; j++) { |
| 2378 | rtsx_add_cmd(chip, WRITE_REG_CMD, reg_addr++, 0xFF, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2379 | *ptr); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2380 | ptr++; |
| 2381 | } |
| 2382 | |
| 2383 | retval = rtsx_send_cmd(chip, 0, 250); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2384 | if (retval < 0) { |
| 2385 | rtsx_trace(chip); |
| 2386 | return STATUS_FAIL; |
| 2387 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2388 | } |
| 2389 | |
| 2390 | if (buf_len%256) { |
| 2391 | rtsx_init_cmd(chip); |
| 2392 | |
| 2393 | for (j = 0; j < buf_len%256; j++) { |
| 2394 | rtsx_add_cmd(chip, WRITE_REG_CMD, reg_addr++, 0xFF, |
Giedrius Statkevičius | 21e69b7 | 2014-10-04 00:31:19 +0300 | [diff] [blame] | 2395 | *ptr); |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2396 | ptr++; |
| 2397 | } |
| 2398 | |
| 2399 | retval = rtsx_send_cmd(chip, 0, 250); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2400 | if (retval < 0) { |
| 2401 | rtsx_trace(chip); |
| 2402 | return STATUS_FAIL; |
| 2403 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2404 | } |
| 2405 | |
| 2406 | return STATUS_SUCCESS; |
| 2407 | } |
| 2408 | |
| 2409 | int rtsx_check_chip_exist(struct rtsx_chip *chip) |
| 2410 | { |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2411 | if (rtsx_readl(chip, 0) == 0xFFFFFFFF) { |
| 2412 | rtsx_trace(chip); |
| 2413 | return STATUS_FAIL; |
| 2414 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2415 | |
| 2416 | return STATUS_SUCCESS; |
| 2417 | } |
| 2418 | |
| 2419 | int rtsx_force_power_on(struct rtsx_chip *chip, u8 ctl) |
| 2420 | { |
| 2421 | int retval; |
| 2422 | u8 mask = 0; |
| 2423 | |
| 2424 | if (ctl & SSC_PDCTL) |
| 2425 | mask |= SSC_POWER_DOWN; |
| 2426 | |
| 2427 | #ifdef SUPPORT_OCP |
| 2428 | if (ctl & OC_PDCTL) { |
| 2429 | mask |= SD_OC_POWER_DOWN; |
| 2430 | if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) |
| 2431 | mask |= MS_OC_POWER_DOWN; |
| 2432 | } |
| 2433 | #endif |
| 2434 | |
| 2435 | if (mask) { |
| 2436 | retval = rtsx_write_register(chip, FPDCTL, mask, 0); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2437 | if (retval != STATUS_SUCCESS) { |
| 2438 | rtsx_trace(chip); |
| 2439 | return STATUS_FAIL; |
| 2440 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2441 | |
| 2442 | if (CHECK_PID(chip, 0x5288)) |
| 2443 | wait_timeout(200); |
| 2444 | } |
| 2445 | |
| 2446 | return STATUS_SUCCESS; |
| 2447 | } |
| 2448 | |
| 2449 | int rtsx_force_power_down(struct rtsx_chip *chip, u8 ctl) |
| 2450 | { |
| 2451 | int retval; |
| 2452 | u8 mask = 0, val = 0; |
| 2453 | |
| 2454 | if (ctl & SSC_PDCTL) |
| 2455 | mask |= SSC_POWER_DOWN; |
| 2456 | |
| 2457 | #ifdef SUPPORT_OCP |
| 2458 | if (ctl & OC_PDCTL) { |
| 2459 | mask |= SD_OC_POWER_DOWN; |
| 2460 | if (CHECK_LUN_MODE(chip, SD_MS_2LUN)) |
| 2461 | mask |= MS_OC_POWER_DOWN; |
| 2462 | } |
| 2463 | #endif |
| 2464 | |
| 2465 | if (mask) { |
| 2466 | val = mask; |
| 2467 | retval = rtsx_write_register(chip, FPDCTL, mask, val); |
Joe Perches | 031366e | 2015-03-25 12:54:25 -0700 | [diff] [blame] | 2468 | if (retval != STATUS_SUCCESS) { |
| 2469 | rtsx_trace(chip); |
| 2470 | return STATUS_FAIL; |
| 2471 | } |
Micky Ching | fa590c2 | 2013-11-12 17:16:08 +0800 | [diff] [blame] | 2472 | } |
| 2473 | |
| 2474 | return STATUS_SUCCESS; |
| 2475 | } |