Lines Matching full:mmc
3 * linux/drivers/mmc/host/sdhci_uhs2.c - Secure Digital Host Controller
18 #include <linux/mmc/mmc.h>
19 #include <linux/mmc/host.h>
28 pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
39 if (!(mmc_card_uhs2(host->mmc))) in sdhci_uhs2_dump_regs()
76 static inline int mmc_opt_regulator_set_ocr(struct mmc_host *mmc, in mmc_opt_regulator_set_ocr() argument
80 return IS_ERR_OR_NULL(supply) ? 0 : mmc_regulator_set_ocr(mmc, supply, vdd_bit); in mmc_opt_regulator_set_ocr()
103 mmc_hostname(host->mmc), (int)mask, mmc_hostname(host->mmc)); in sdhci_uhs2_reset()
114 if (host->mmc->uhs2_sd_tran) { in sdhci_uhs2_reset_cmd_data()
125 struct mmc_host *mmc = host->mmc; in sdhci_uhs2_set_power() local
132 mmc_hostname(host->mmc), vdd); in sdhci_uhs2_set_power()
143 mmc_opt_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); in sdhci_uhs2_set_power()
144 mmc_regulator_set_vqmmc2(mmc, &mmc->ios); in sdhci_uhs2_set_power()
146 mmc_opt_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); in sdhci_uhs2_set_power()
148 mmc_regulator_set_vqmmc2(mmc, &mmc->ios); in sdhci_uhs2_set_power()
194 mmc_hostname(host->mmc), count); in sdhci_calc_timeout_uhs2()
210 mmc_hostname(host->mmc), count); in sdhci_calc_timeout_uhs2()
231 if (mmc_card_uhs2(host->mmc)) in sdhci_uhs2_set_timeout()
256 static void __sdhci_uhs2_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) in __sdhci_uhs2_set_ios() argument
258 struct sdhci_host *host = mmc_priv(mmc); in __sdhci_uhs2_set_ios()
301 static int sdhci_uhs2_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) in sdhci_uhs2_set_ios() argument
303 struct sdhci_host *host = mmc_priv(mmc); in sdhci_uhs2_set_ios()
306 mmc_hostname(mmc), ios->clock, ios->power_mode, ios->vdd, ios->timing); in sdhci_uhs2_set_ios()
308 if (!mmc_card_uhs2(mmc)) { in sdhci_uhs2_set_ios()
309 sdhci_set_ios(mmc, ios); in sdhci_uhs2_set_ios()
318 mmc_opt_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); in sdhci_uhs2_set_ios()
319 mmc_regulator_set_vqmmc2(mmc, ios); in sdhci_uhs2_set_ios()
324 sdhci_set_ios_common(mmc, ios); in sdhci_uhs2_set_ios()
326 __sdhci_uhs2_set_ios(mmc, ios); in sdhci_uhs2_set_ios()
338 pr_warn("%s: not detect UHS2 interface in 100ms.\n", mmc_hostname(host->mmc)); in sdhci_uhs2_interface_detect()
348 pr_warn("%s: UHS2 Lane sync fail in 150ms.\n", mmc_hostname(host->mmc)); in sdhci_uhs2_interface_detect()
354 mmc_hostname(host->mmc)); in sdhci_uhs2_interface_detect()
364 struct mmc_host *mmc = host->mmc; in sdhci_uhs2_init() local
369 mmc_hostname(mmc), caps_ptr); in sdhci_uhs2_init()
378 mmc->uhs2_caps.dap = caps_gen & SDHCI_UHS2_CAPS_DAP_MASK; in sdhci_uhs2_init()
379 mmc->uhs2_caps.gap = FIELD_GET(SDHCI_UHS2_CAPS_GAP_MASK, caps_gen); in sdhci_uhs2_init()
380 mmc->uhs2_caps.n_lanes = FIELD_GET(SDHCI_UHS2_CAPS_LANE_MASK, caps_gen); in sdhci_uhs2_init()
381 mmc->uhs2_caps.addr64 = (caps_gen & SDHCI_UHS2_CAPS_ADDR_64) ? 1 : 0; in sdhci_uhs2_init()
382 mmc->uhs2_caps.card_type = FIELD_GET(SDHCI_UHS2_CAPS_DEV_TYPE_MASK, caps_gen); in sdhci_uhs2_init()
385 mmc->uhs2_caps.phy_rev = caps_phy & SDHCI_UHS2_CAPS_PHY_REV_MASK; in sdhci_uhs2_init()
386 mmc->uhs2_caps.speed_range = FIELD_GET(SDHCI_UHS2_CAPS_PHY_RANGE_MASK, caps_phy); in sdhci_uhs2_init()
387 mmc->uhs2_caps.n_lss_sync = FIELD_GET(SDHCI_UHS2_CAPS_PHY_N_LSS_SYN_MASK, caps_phy); in sdhci_uhs2_init()
388 mmc->uhs2_caps.n_lss_dir = FIELD_GET(SDHCI_UHS2_CAPS_PHY_N_LSS_DIR_MASK, caps_phy); in sdhci_uhs2_init()
389 if (mmc->uhs2_caps.n_lss_sync == 0) in sdhci_uhs2_init()
390 mmc->uhs2_caps.n_lss_sync = 16 << 2; in sdhci_uhs2_init()
392 mmc->uhs2_caps.n_lss_sync <<= 2; in sdhci_uhs2_init()
393 if (mmc->uhs2_caps.n_lss_dir == 0) in sdhci_uhs2_init()
394 mmc->uhs2_caps.n_lss_dir = 16 << 3; in sdhci_uhs2_init()
396 mmc->uhs2_caps.n_lss_dir <<= 3; in sdhci_uhs2_init()
399 mmc->uhs2_caps.link_rev = caps_tran[0] & SDHCI_UHS2_CAPS_TRAN_LINK_REV_MASK; in sdhci_uhs2_init()
400 mmc->uhs2_caps.n_fcu = FIELD_GET(SDHCI_UHS2_CAPS_TRAN_N_FCU_MASK, caps_tran[0]); in sdhci_uhs2_init()
401 if (mmc->uhs2_caps.n_fcu == 0) in sdhci_uhs2_init()
402 mmc->uhs2_caps.n_fcu = 256; in sdhci_uhs2_init()
403 mmc->uhs2_caps.host_type = FIELD_GET(SDHCI_UHS2_CAPS_TRAN_HOST_TYPE_MASK, caps_tran[0]); in sdhci_uhs2_init()
404 mmc->uhs2_caps.maxblk_len = FIELD_GET(SDHCI_UHS2_CAPS_TRAN_BLK_LEN_MASK, caps_tran[0]); in sdhci_uhs2_init()
405 mmc->uhs2_caps.n_data_gap = caps_tran[1] & SDHCI_UHS2_CAPS_TRAN_1_N_DATA_GAP_MASK; in sdhci_uhs2_init()
410 static int sdhci_uhs2_do_detect_init(struct mmc_host *mmc) in sdhci_uhs2_do_detect_init() argument
412 struct sdhci_host *host = mmc_priv(mmc); in sdhci_uhs2_do_detect_init()
420 pr_warn("%s: cannot detect UHS2 interface.\n", mmc_hostname(host->mmc)); in sdhci_uhs2_do_detect_init()
425 pr_warn("%s: UHS2 init fail.\n", mmc_hostname(host->mmc)); in sdhci_uhs2_do_detect_init()
442 static int sdhci_uhs2_disable_clk(struct mmc_host *mmc) in sdhci_uhs2_disable_clk() argument
444 struct sdhci_host *host = mmc_priv(mmc); in sdhci_uhs2_disable_clk()
453 static int sdhci_uhs2_enable_clk(struct mmc_host *mmc) in sdhci_uhs2_enable_clk() argument
455 struct sdhci_host *host = mmc_priv(mmc); in sdhci_uhs2_enable_clk()
465 pr_err("%s: Internal clock never stabilised.\n", mmc_hostname(host->mmc)); in sdhci_uhs2_enable_clk()
482 value = FIELD_PREP(SDHCI_UHS2_GEN_SETTINGS_N_LANES_MASK, host->mmc->uhs2_caps.n_lanes_set); in sdhci_uhs2_set_config()
486 value = FIELD_PREP(SDHCI_UHS2_PHY_N_LSS_DIR_MASK, host->mmc->uhs2_caps.n_lss_dir_set) | in sdhci_uhs2_set_config()
487 FIELD_PREP(SDHCI_UHS2_PHY_N_LSS_SYN_MASK, host->mmc->uhs2_caps.n_lss_sync_set); in sdhci_uhs2_set_config()
488 if (host->mmc->ios.timing == MMC_TIMING_UHS2_SPEED_B || in sdhci_uhs2_set_config()
489 host->mmc->ios.timing == MMC_TIMING_UHS2_SPEED_B_HD) in sdhci_uhs2_set_config()
494 value = FIELD_PREP(SDHCI_UHS2_TRAN_RETRY_CNT_MASK, host->mmc->uhs2_caps.max_retry_set) | in sdhci_uhs2_set_config()
495 FIELD_PREP(SDHCI_UHS2_TRAN_N_FCU_MASK, host->mmc->uhs2_caps.n_fcu_set); in sdhci_uhs2_set_config()
497 sdhci_writel(host, host->mmc->uhs2_caps.n_data_gap_set, sdhci_uhs2_tran_set_1_reg); in sdhci_uhs2_set_config()
507 pr_warn("%s: UHS2 IN_DORMANT fail in 100ms.\n", mmc_hostname(host->mmc)); in sdhci_uhs2_check_dormant()
514 static int sdhci_uhs2_control(struct mmc_host *mmc, enum sd_uhs2_operation op) in sdhci_uhs2_control() argument
516 struct sdhci_host *host = mmc_priv(mmc); in sdhci_uhs2_control()
517 struct mmc_ios *ios = &mmc->ios; in sdhci_uhs2_control()
524 err = sdhci_uhs2_do_detect_init(mmc); in sdhci_uhs2_control()
539 err = sdhci_uhs2_disable_clk(mmc); in sdhci_uhs2_control()
542 err = sdhci_uhs2_enable_clk(mmc); in sdhci_uhs2_control()
545 err = sdhci_uhs2_set_ios(mmc, ios); in sdhci_uhs2_control()
549 mmc_hostname(host->mmc), op); in sdhci_uhs2_control()
744 mmc_hostname(host->mmc)); in sdhci_uhs2_send_command_retry()
754 present = host->mmc->ops->get_cd(host->mmc); in sdhci_uhs2_send_command_retry()
780 if (host->mmc->uhs2_sd_tran) { in __sdhci_uhs2_finish_command()
785 mmc_hostname(host->mmc), error_code); in __sdhci_uhs2_finish_command()
832 mmc_command_done(host->mmc, cmd->mrq); in sdhci_uhs2_finish_command()
862 static void sdhci_uhs2_request(struct mmc_host *mmc, struct mmc_request *mrq) in sdhci_uhs2_request() argument
864 struct sdhci_host *host = mmc_priv(mmc); in sdhci_uhs2_request()
869 if (!(mmc_card_uhs2(mmc))) { in sdhci_uhs2_request()
870 sdhci_request(mmc, mrq); in sdhci_uhs2_request()
880 present = mmc->ops->get_cd(mmc); in sdhci_uhs2_request()
970 mmc_request_done(host->mmc, mrq); in sdhci_uhs2_request_done()
980 if (!mmc_card_uhs2(host->mmc)) { in sdhci_uhs2_complete_work()
1000 mmc_hostname(host->mmc), uhs2mask); in __sdhci_uhs2_irq()
1005 mmc_hostname(host->mmc), in __sdhci_uhs2_irq()
1018 mmc_hostname(host->mmc), in __sdhci_uhs2_irq()
1026 mmc_hostname(host->mmc), in __sdhci_uhs2_irq()
1031 mmc_hostname(host->mmc), in __sdhci_uhs2_irq()
1050 if (!mmc_card_uhs2(host->mmc)) in sdhci_uhs2_irq()
1099 if (!mmc_card_uhs2(host->mmc)) in sdhci_uhs2_thread_irq()
1117 struct mmc_host *mmc = host->mmc; in sdhci_uhs2_thread_irq() local
1119 mmc->ops->card_event(mmc); in sdhci_uhs2_thread_irq()
1120 mmc_detect_change(mmc, msecs_to_jiffies(200)); in sdhci_uhs2_thread_irq()
1159 struct mmc_host *mmc; in __sdhci_uhs2_add_host_v4() local
1162 mmc = host->mmc; in __sdhci_uhs2_add_host_v4()
1166 mmc->caps2 |= MMC_CAP2_SD_UHS2; in __sdhci_uhs2_add_host_v4()
1172 !IS_ERR(mmc->supply.vqmmc2)) { in __sdhci_uhs2_add_host_v4()
1174 int curr = regulator_get_current_limit(mmc->supply.vqmmc2); in __sdhci_uhs2_add_host_v4()
1186 mmc->caps2 &= ~MMC_CAP2_SD_UHS2; in __sdhci_uhs2_add_host_v4()
1191 if (!mmc_card_uhs2(host->mmc)) in __sdhci_uhs2_remove_host()
1200 struct mmc_host *mmc = host->mmc; in sdhci_uhs2_add_host() local
1210 if ((mmc->caps2 & MMC_CAP2_SD_UHS2) && !host->v4_mode) in sdhci_uhs2_add_host()
1212 mmc->caps2 &= ~MMC_CAP2_SD_UHS2; in sdhci_uhs2_add_host()
1215 if (mmc->caps2 & MMC_CAP2_SD_UHS2) in sdhci_uhs2_add_host()
1249 MODULE_DESCRIPTION("MMC UHS-II Support");