335 /* Busy detection for the ST Micro variant */
343 	if (readl(host->base + MMCISTATUS) & host->variant->busy_detect_flag)  in mmci_card_busy()
393 	datactrl |= host->datactrl_reg & host->variant->busy_dpsm_flag;  in mmci_write_datactrlreg()
406 	struct variant_data *variant = host->variant;  in mmci_set_clkreg()  local
407 	u32 clk = variant->clkreg;  in mmci_set_clkreg()
413 		if (variant->explicit_mclk_control) {  in mmci_set_clkreg()
417 			if (variant->st_clkdiv)  in mmci_set_clkreg()
420 		} else if (variant->st_clkdiv) {  in mmci_set_clkreg()
442 		clk |= variant->clkreg_enable;  in mmci_set_clkreg()
454 		clk |= variant->clkreg_8bit_bus_enable;  in mmci_set_clkreg()
458 		clk |= variant->clkreg_neg_edge_enable;  in mmci_set_clkreg()
491 	struct variant_data *variant = host->variant;  in mmci_validate_data()  local
495 	if (!is_power_of_2(data->blksz) && !variant->datactrl_any_blocksz) {  in mmci_validate_data()
611 	struct variant_data *variant = host->variant;  in mmci_set_mask1()  local
616 		mask0 &= ~variant->irq_pio_mask;  in mmci_set_mask1()
622 	if (variant->mmcimask1)  in mmci_set_mask1()
675 	    (readl(base + MMCISTATUS) & host->variant->busy_detect_flag)) {  in ux500_busy_complete()
677 		       host->variant->busy_detect_mask,  in ux500_busy_complete()
696 	    (status & host->variant->busy_detect_flag)) {  in ux500_busy_complete()
697 		writel(host->variant->busy_detect_mask, base + MMCICLEAR);  in ux500_busy_complete()
708 		writel(host->variant->busy_detect_mask, base + MMCICLEAR);  in ux500_busy_complete()
711 		       ~host->variant->busy_detect_mask, base + MMCIMASK0);  in ux500_busy_complete()
908 	struct variant_data *variant = host->variant;  in _mmci_dmae_prep_data()  local
914 		.src_maxburst = variant->fifohalfsize >> 2, /* # of words */  in _mmci_dmae_prep_data()
915 		.dst_maxburst = variant->fifohalfsize >> 2, /* # of words */  in _mmci_dmae_prep_data()
937 	if (data->blksz * data->blocks <= variant->fifosize)  in _mmci_dmae_prep_data()
949 	if (host->variant->dma_power_of_2 && !is_power_of_2(data->blksz))  in _mmci_dmae_prep_data()
958 	if (host->variant->qcom_dml)  in _mmci_dmae_prep_data()
1131 	struct variant_data *variant = host->variant;  in mmci_start_data()  local
1158 		datactrl |= variant->datactrl_mask_sdio;  in mmci_start_data()
1161 		 * The ST Micro variant for SDIO small write transfers  in mmci_start_data()
1166 		if (variant->st_sdio && data->flags & MMC_DATA_WRITE &&  in mmci_start_data()
1169 			clk = host->clk_reg & ~variant->clkreg_enable;  in mmci_start_data()
1171 			clk = host->clk_reg | variant->clkreg_enable;  in mmci_start_data()
1178 		datactrl |= variant->datactrl_mask_ddrmode;  in mmci_start_data()
1198 		if (host->size < variant->fifohalfsize)  in mmci_start_data()
1222 	if (readl(base + MMCICOMMAND) & host->variant->cmdreg_cpsm_enable) {  in mmci_start_command()
1227 	if (host->variant->cmdreg_stop &&  in mmci_start_command()
1229 		c |= host->variant->cmdreg_stop;  in mmci_start_command()
1231 	c |= cmd->opcode | host->variant->cmdreg_cpsm_enable;  in mmci_start_command()
1234 			c |= host->variant->cmdreg_lrsp_crc;  in mmci_start_command()
1236 			c |= host->variant->cmdreg_srsp_crc;  in mmci_start_command()
1238 			c |= host->variant->cmdreg_srsp;  in mmci_start_command()
1241 	if (host->variant->busy_timeout && cmd->flags & MMC_RSP_BUSY) {  in mmci_start_command()
1261 		c |= host->variant->data_cmd_enable;  in mmci_start_command()
1286 	status_err = status & (host->variant->start_err |  in mmci_data_irq()
1303 		if (!host->variant->datacnt_useless) {  in mmci_data_irq()
1323 			if (success > host->variant->fifosize)  in mmci_data_irq()
1324 				success -= host->variant->fifosize;  in mmci_data_irq()
1345 			if (host->variant->cmdreg_stop && data->error)  in mmci_data_irq()
1376 	if (host->variant->busy_timeout && busy_resp)  in mmci_cmd_irq()
1383 	/* Handle busy detection on DAT0 if the variant supports it. */  in mmci_cmd_irq()
1384 	if (busy_resp && host->variant->busy_detect)  in mmci_cmd_irq()
1394 	} else if (host->variant->busy_timeout && busy_resp &&  in mmci_cmd_irq()
1415 			if (host->variant->cmdreg_stop && cmd->error) {  in mmci_cmd_irq()
1426 	} else if (!host->variant->datactrl_first &&  in mmci_cmd_irq()
1444 		return host->variant->fifohalfsize;  in mmci_qcom_get_rx_fifocnt()
1501 	struct variant_data *variant = host->variant;  in mmci_pio_write()  local
1509 			 variant->fifosize : variant->fifohalfsize;  in mmci_pio_write()
1541 	struct variant_data *variant = host->variant;  in mmci_pio_irq()  local
1592 	if (status & MCI_RXACTIVE && host->size < variant->fifohalfsize)  in mmci_pio_irq()
1629 			status &= ~host->variant->irq_pio_mask;  in mmci_irq()
1637 		if (host->variant->busy_detect)  in mmci_irq()
1638 			writel(status & ~host->variant->busy_detect_mask,  in mmci_irq()
1645 		if (host->variant->reversed_irq_handling) {  in mmci_irq()
1657 		if (host->variant->busy_detect_flag)  in mmci_irq()
1658 			status &= ~host->variant->busy_detect_flag;  in mmci_irq()
1687 	writel(MCI_IRQENABLE | host->variant->start_err,  in mmci_irq_thread()
1718 	    (host->variant->datactrl_first || mrq->data->flags & MMC_DATA_READ))  in mmci_request()
1734 	if (!host->variant->busy_detect)  in mmci_set_max_busy_timeout()
1737 	if (host->variant->busy_timeout && mmc->actual_clock)  in mmci_set_max_busy_timeout()
1746 	struct variant_data *variant = host->variant;  in mmci_set_ios()  local
1767 		 * The ST Micro variant doesn't have the PL180s MCI_PWR_UP  in mmci_set_ios()
1769 		 * configured in the variant data.  in mmci_set_ios()
1771 		pwr |= variant->pwrreg_powerup;  in mmci_set_ios()
1788 	if (variant->signal_direction && ios->power_mode != MMC_POWER_OFF) {  in mmci_set_ios()
1790 		 * The ST Micro variant has some additional bits  in mmci_set_ios()
1804 	if (variant->opendrain) {  in mmci_set_ios()
1806 			pwr |= variant->opendrain;  in mmci_set_ios()
1809 		 * If the variant cannot configure the pads by its own, then we  in mmci_set_ios()
1819 	 * If clock = 0 and the variant requires the MMCIPOWER to be used for  in mmci_set_ios()
1822 	if (!ios->clock && variant->pwrreg_clkgate)  in mmci_set_ios()
1825 	if (host->variant->explicit_mclk_control &&  in mmci_set_ios()
1997 	struct variant_data *variant = id->data;  in mmci_probe()  local
2028 	 * Some variant (STM32) doesn't have opendrain bit, nevertheless  in mmci_probe()
2031 	if (!variant->opendrain) {  in mmci_probe()
2063 	if (variant->qcom_fifo)  in mmci_probe()
2069 	host->variant = variant;  in mmci_probe()
2076 	if (host->mclk > variant->f_max) {  in mmci_probe()
2077 		ret = clk_set_rate(host->clk, variant->f_max);  in mmci_probe()
2092 	if (variant->init)  in mmci_probe()
2093 		variant->init(host);  in mmci_probe()
2101 	if (variant->st_clkdiv)  in mmci_probe()
2103 	else if (variant->stm32_clkdiv)  in mmci_probe()
2105 	else if (variant->explicit_mclk_control)  in mmci_probe()
2116 		mmc->f_max = variant->explicit_mclk_control ?  in mmci_probe()
2117 				min(variant->f_max, mmc->f_max) :  in mmci_probe()
2120 		mmc->f_max = variant->explicit_mclk_control ?  in mmci_probe()
2151 	if (variant->busy_detect) {  in mmci_probe()
2157 		if (variant->busy_dpsm_flag)  in mmci_probe()
2159 					       host->variant->busy_dpsm_flag);  in mmci_probe()
2164 	if (variant->busy_timeout)  in mmci_probe()
2185 	mmc->max_req_size = (1 << variant->datalength_bits) - 1;  in mmci_probe()
2196 	mmc->max_blk_size = 1 << variant->datactrl_blocksz;  in mmci_probe()
2202 	mmc->max_blk_count = mmc->max_req_size >> variant->datactrl_blocksz;  in mmci_probe()
2208 	if (variant->mmcimask1)  in mmci_probe()
2245 	writel(MCI_IRQENABLE | variant->start_err, host->base + MMCIMASK0);  in mmci_probe()
2277 		struct variant_data *variant = host->variant;  in mmci_remove()  local
2289 		if (variant->mmcimask1)  in mmci_remove()
2309 	if (host->variant->pwrreg_nopower) {  in mmci_save()
2325 	if (host->variant->pwrreg_nopower) {  in mmci_restore()
2330 	writel(MCI_IRQENABLE | host->variant->start_err,  in mmci_restore()