2  * MOXA ART MMC host driver.
25 #include <linux/mmc/host.h>
26 #include <linux/mmc/sd.h>
132 	struct mmc_host			*mmc;  member
198 		dev_err(mmc_dev(host->mmc), "timed out waiting for status\n");  in moxart_wait_for_status()
288 		dev_err(mmc_dev(host->mmc), "dma_map_sg returned zero length\n");  in moxart_transfer_dma()
393 static void moxart_request(struct mmc_host *mmc, struct mmc_request *mrq)  in moxart_request()  argument
395 	struct moxart_host *host = mmc_priv(mmc);  in moxart_request()
438 			dev_err(mmc_dev(host->mmc), "card removed\n");  in moxart_request()
458 	mmc_request_done(host->mmc, mrq);  in moxart_request()
478 		mmc_detect_change(host->mmc, 0);  in moxart_irq()
488 static void moxart_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)  in moxart_set_ios()  argument
490 	struct moxart_host *host = mmc_priv(mmc);  in moxart_set_ios()
535 static int moxart_get_ro(struct mmc_host *mmc)  in moxart_get_ro()  argument
537 	struct moxart_host *host = mmc_priv(mmc);  in moxart_get_ro()
553 	struct mmc_host *mmc;  in moxart_probe()  local
561 	mmc = devm_mmc_alloc_host(dev, sizeof(*host));  in moxart_probe()
562 	if (!mmc) {  in moxart_probe()
585 	ret = mmc_of_parse(mmc);  in moxart_probe()
589 	host = mmc_priv(mmc);  in moxart_probe()
590 	host->mmc = mmc;  in moxart_probe()
601 	mmc->ops = &moxart_ops;  in moxart_probe()
602 	mmc->f_max = DIV_ROUND_CLOSEST(host->sysclk, 2);  in moxart_probe()
603 	mmc->f_min = DIV_ROUND_CLOSEST(host->sysclk, CLK_DIV_MASK * 2);  in moxart_probe()
604 	mmc->ocr_avail = 0xffff00;	/* Support 2.0v - 3.6v power. */  in moxart_probe()
605 	mmc->max_blk_size = 2048; /* Max. block length in REG_DATA_CONTROL */  in moxart_probe()
606 	mmc->max_req_size = DATA_LEN_MASK; /* bits 0-23 in REG_DATA_LENGTH */  in moxart_probe()
607 	mmc->max_blk_count = mmc->max_req_size / 512;  in moxart_probe()
626 		mmc->max_seg_size = mmc->max_req_size;  in moxart_probe()
646 		mmc->max_seg_size = min3(mmc->max_req_size,  in moxart_probe()
652 		mmc->caps |= MMC_CAP_4_BIT_DATA;  in moxart_probe()
663 	ret = devm_request_irq(dev, irq, moxart_irq, 0, "moxart-mmc", host);  in moxart_probe()
667 	dev_set_drvdata(dev, mmc);  in moxart_probe()
668 	ret = mmc_add_host(mmc);  in moxart_probe()
686 	struct mmc_host *mmc = dev_get_drvdata(&pdev->dev);  in moxart_remove()  local
687 	struct moxart_host *host = mmc_priv(mmc);  in moxart_remove()
693 	mmc_remove_host(mmc);  in moxart_remove()
702 	{ .compatible = "moxa,moxart-mmc" },
712 		.name		= "mmc-moxart",
719 MODULE_ALIAS("platform:mmc-moxart");
720 MODULE_DESCRIPTION("MOXA ART MMC driver");