mmc/host/sdhci_am654.c

174 static void sdhci_am654_setup_dll(struct sdhci_host *host, unsigned int clock)
176 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
237 		dev_err(mmc_dev(host->mmc), "DLL failed to relock\n");
270 static void sdhci_am654_set_clock(struct sdhci_host *host, unsigned int clock)
272 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
274 	unsigned char timing = host->mmc->ios.timing;
280 	sdhci_set_clock(host, clock);
302 		sdhci_am654_setup_dll(host, clock);
321 static void sdhci_j721e_4bit_set_clock(struct sdhci_host *host,
324 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
326 	unsigned char timing = host->mmc->ios.timing;
354 	sdhci_set_clock(host, clock);
357 static u8 sdhci_am654_write_power_on(struct sdhci_host *host, u8 val, int reg)
359 	writeb(val, host->ioaddr + reg);
361 	return readb(host->ioaddr + reg);
365 static void sdhci_am654_write_b(struct sdhci_host *host, u8 val, int reg)
367 	unsigned char timing = host->mmc->ios.timing;
383 	writeb(val, host->ioaddr + reg);
392 					MAX_POWER_ON_TIMEOUT, false, host, val,
395 			dev_info(mmc_dev(host->mmc), "Power on failed\n");
399 static void sdhci_am654_reset(struct sdhci_host *host, u8 mask)
402 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
405 	sdhci_and_cqhci_reset(host, mask);
408 		ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
410 		sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL);
416 	struct sdhci_host *host = mmc_priv(mmc);
425 	sdhci_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
430 static u32 sdhci_am654_cqhci_irq(struct sdhci_host *host, u32 intmask)
435 	if (!sdhci_cqe_irq(host, intmask, &cmd_error, &data_error))
438 	cqhci_irq(host->mmc, intmask, cmd_error, data_error);
446 static u32 sdhci_am654_calculate_itap(struct sdhci_host *host, struct window
451 	struct device *dev = mmc_dev(host->mmc);
497 static int sdhci_am654_platform_execute_tuning(struct sdhci_host *host,
500 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
502 	unsigned char timing = host->mmc->ios.timing;
516 		curr_pass = !mmc_send_tuning(host->mmc, opcode, NULL);
535 	itap = sdhci_am654_calculate_itap(host, fail_window, fail_index,
643 static int sdhci_am654_cqe_add_host(struct sdhci_host *host)
647 	cq_host = devm_kzalloc(mmc_dev(host->mmc), sizeof(struct cqhci_host),
652 	cq_host->mmio = host->ioaddr + SDHCI_AM654_CQE_BASE_ADDR;
657 	host->mmc->caps2 |= MMC_CAP2_CQE;
659 	return cqhci_init(cq_host, host->mmc, 1);
662 static int sdhci_am654_get_otap_delay(struct sdhci_host *host,
665 	struct device *dev = mmc_dev(host->mmc);
685 				host->mmc->caps &= ~td[i].capability;
687 				host->mmc->caps2 &= ~td[i].capability;
701 static int sdhci_am654_init(struct sdhci_host *host)
703 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
735 	if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
745 	ret = sdhci_setup_host(host);
749 	ret = sdhci_am654_cqe_add_host(host);
753 	ret = sdhci_am654_get_otap_delay(host, sdhci_am654);
757 	ret = __sdhci_add_host(host);
764 	sdhci_cleanup_host(host);
856 	struct sdhci_host *host;
870 	host = sdhci_pltfm_init(pdev, drvdata->pdata, sizeof(*sdhci_am654));
871 	if (IS_ERR(host))
872 		return PTR_ERR(host);
874 	pltfm_host = sdhci_priv(host);
905 	ret = mmc_of_parse(host->mmc);
911 	host->mmc_host_ops.execute_tuning = sdhci_am654_execute_tuning;
922 	ret = sdhci_am654_init(host);
946 	struct sdhci_host *host = platform_get_drvdata(pdev);
947 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
955 	sdhci_remove_host(host, true);
963 static int sdhci_am654_restore(struct sdhci_host *host)
965 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
992 	if (host->mmc->caps & MMC_CAP_NONREMOVABLE)
1009 	struct sdhci_host *host = dev_get_drvdata(dev);
1010 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
1013 	if (host->tuning_mode != SDHCI_TUNING_MODE_3)
1014 		mmc_retune_needed(host->mmc);
1016 	ret = cqhci_suspend(host->mmc);
1020 	ret = sdhci_runtime_suspend_host(host);
1031 	struct sdhci_host *host = dev_get_drvdata(dev);
1032 	struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
1040 	ret = sdhci_am654_restore(host);
1044 	ret = sdhci_runtime_resume_host(host, 0);
1048 	ret = cqhci_resume(host->mmc);