mmc/host/sdhci.c

382 		mmc->ops->set_ios(mmc, &mmc->ios);
937 	struct mmc_ios *ios = &mmc->ios;
938 	unsigned char bus_width = 1 << ios->bus_width;
2307 static bool sdhci_presetable_values_change(struct sdhci_host *host, struct mmc_ios *ios)
2315 	       (sdhci_preset_needed(host, ios->timing) || host->drv_type != ios->drv_type);
2318 void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
2327 	if (ios->power_mode == MMC_POWER_UNDEFINED)
2332 		    ios->power_mode == MMC_POWER_OFF)
2341 	if (ios->power_mode == MMC_POWER_OFF) {
2347 		(ios->power_mode == MMC_POWER_UP) &&
2351 	if (!ios->clock || ios->clock != host->clock) {
2352 		turning_on_clk = ios->clock && !host->clock;
2354 		host->ops->set_clock(host, ios->clock);
2355 		host->clock = ios->clock;
2371 		host->ops->set_power(host, ios->power_mode, ios->vdd);
2373 		sdhci_set_power(host, ios->power_mode, ios->vdd);
2376 		host->ops->platform_send_init_74_clocks(host, ios->power_mode);
2378 	host->ops->set_bus_width(host, ios->bus_width);
2386 	    host->timing == ios->timing &&
2388 	    !sdhci_presetable_values_change(host, ios))
2394 		if (ios->timing == MMC_TIMING_SD_HS ||
2395 		     ios->timing == MMC_TIMING_MMC_HS ||
2396 		     ios->timing == MMC_TIMING_MMC_HS400 ||
2397 		     ios->timing == MMC_TIMING_MMC_HS200 ||
2398 		     ios->timing == MMC_TIMING_MMC_DDR52 ||
2399 		     ios->timing == MMC_TIMING_UHS_SDR50 ||
2400 		     ios->timing == MMC_TIMING_UHS_SDR104 ||
2401 		     ios->timing == MMC_TIMING_UHS_DDR50 ||
2402 		     ios->timing == MMC_TIMING_UHS_SDR25)
2432 			if (ios->drv_type == MMC_SET_DRIVER_TYPE_A)
2434 			else if (ios->drv_type == MMC_SET_DRIVER_TYPE_B)
2436 			else if (ios->drv_type == MMC_SET_DRIVER_TYPE_C)
2438 			else if (ios->drv_type == MMC_SET_DRIVER_TYPE_D)
2447 			host->drv_type = ios->drv_type;
2450 		host->ops->set_uhs_signaling(host, ios->timing);
2451 		host->timing = ios->timing;
2453 		if (sdhci_preset_needed(host, ios->timing)) {
2458 			ios->drv_type = FIELD_GET(SDHCI_PRESET_DRV_MASK,
2460 			host->drv_type = ios->drv_type;
2610 				      struct mmc_ios *ios)
2625 	switch (ios->signal_voltage) {
2634 			ret = mmc_regulator_set_vqmmc(mmc, ios);
2657 			ret = mmc_regulator_set_vqmmc(mmc, ios);
2689 			ret = mmc_regulator_set_vqmmc(mmc, ios);
2715 static int sdhci_prepare_hs400_tuning(struct mmc_host *mmc, struct mmc_ios *ios)
2810 	    mmc->ios.bus_width == MMC_BUS_WIDTH_8)
3795 		mmc->ops->set_ios(mmc, &mmc->ios);
3852 	if (mmc->ios.power_mode != MMC_POWER_UNDEFINED &&
3853 	    mmc->ios.power_mode != MMC_POWER_OFF) {
3858 		mmc->ops->start_signal_voltage_switch(mmc, &mmc->ios);
3859 		mmc->ops->set_ios(mmc, &mmc->ios);
3870 			mmc->ops->hs400_enhanced_strobe(mmc, &mmc->ios);