Lines Matching refs:mmc
335 static int mmci_card_busy(struct mmc_host *mmc) in mmci_card_busy() argument
337 struct mmci_host *host = mmc_priv(mmc); in mmci_card_busy()
448 host->mmc->actual_clock = host->cclk; in mmci_set_clkreg()
450 if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) in mmci_set_clkreg()
452 if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8) in mmci_set_clkreg()
455 if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || in mmci_set_clkreg()
456 host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) in mmci_set_clkreg()
495 dev_err(mmc_dev(host->mmc), in mmci_validate_data()
555 dev_vdbg(mmc_dev(host->mmc), in mmci_dma_start()
604 mmc_request_done(host->mmc, mrq); in mmci_request_end()
741 dmae = devm_kzalloc(mmc_dev(host->mmc), sizeof(*dmae), GFP_KERNEL); in mmci_dmae_setup()
747 dmae->rx_channel = dma_request_chan(mmc_dev(host->mmc), "rx"); in mmci_dmae_setup()
754 dmae->tx_channel = dma_request_chan(mmc_dev(host->mmc), "tx"); in mmci_dmae_setup()
757 dev_warn(mmc_dev(host->mmc), in mmci_dmae_setup()
780 dev_info(mmc_dev(host->mmc), "DMA channels RX %s, TX %s\n", in mmci_dmae_setup()
791 if (max_seg_size < host->mmc->max_seg_size) in mmci_dmae_setup()
792 host->mmc->max_seg_size = max_seg_size; in mmci_dmae_setup()
798 if (max_seg_size < host->mmc->max_seg_size) in mmci_dmae_setup()
799 host->mmc->max_seg_size = max_seg_size; in mmci_dmae_setup()
846 dev_err(mmc_dev(host->mmc), "error during DMA transfer!\n"); in mmci_dmae_error()
892 dev_err(mmc_dev(host->mmc), "buggy DMA detected. Taking evasive action.\n"); in mmci_dmae_finalize()
1100 static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq) in mmci_pre_request() argument
1102 struct mmci_host *host = mmc_priv(mmc); in mmci_pre_request()
1116 static void mmci_post_request(struct mmc_host *mmc, struct mmc_request *mrq, in mmci_post_request() argument
1119 struct mmci_host *host = mmc_priv(mmc); in mmci_post_request()
1135 dev_dbg(mmc_dev(host->mmc), "blksz %04x blks %04x flags %08x\n", in mmci_start_data()
1154 if (host->mmc->card && mmc_card_sdio(host->mmc->card)) { in mmci_start_data()
1175 if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || in mmci_start_data()
1176 host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) in mmci_start_data()
1218 dev_dbg(mmc_dev(host->mmc), "op %02x arg %08x flags %08x\n", in mmci_start_command()
1244 if (cmd->busy_timeout > host->mmc->max_busy_timeout) in mmci_start_command()
1245 clks = (unsigned long long)host->mmc->max_busy_timeout * host->cclk; in mmci_start_command()
1309 dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ, status 0x%08x at 0x%08x\n", in mmci_data_irq()
1332 dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n"); in mmci_data_irq()
1542 dev_dbg(mmc_dev(host->mmc), "irq1 (pio) %08x\n", status); in mmci_pio_irq()
1636 dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status); in mmci_irq()
1690 static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) in mmci_request() argument
1692 struct mmci_host *host = mmc_priv(mmc); in mmci_request()
1699 mmc_request_done(mmc, mrq); in mmci_request()
1722 static void mmci_set_max_busy_timeout(struct mmc_host *mmc) in mmci_set_max_busy_timeout() argument
1724 struct mmci_host *host = mmc_priv(mmc); in mmci_set_max_busy_timeout()
1730 if (host->variant->busy_timeout && mmc->actual_clock) in mmci_set_max_busy_timeout()
1731 max_busy_timeout = ~0UL / (mmc->actual_clock / MSEC_PER_SEC); in mmci_set_max_busy_timeout()
1733 mmc->max_busy_timeout = max_busy_timeout; in mmci_set_max_busy_timeout()
1736 static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) in mmci_set_ios() argument
1738 struct mmci_host *host = mmc_priv(mmc); in mmci_set_ios()
1745 host->plat->ios_handler(mmc_dev(mmc), ios)) in mmci_set_ios()
1746 dev_err(mmc_dev(mmc), "platform ios_handler failed\n"); in mmci_set_ios()
1750 if (!IS_ERR(mmc->supply.vmmc)) in mmci_set_ios()
1751 mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); in mmci_set_ios()
1753 if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) { in mmci_set_ios()
1754 regulator_disable(mmc->supply.vqmmc); in mmci_set_ios()
1760 if (!IS_ERR(mmc->supply.vmmc)) in mmci_set_ios()
1761 mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); in mmci_set_ios()
1772 if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) { in mmci_set_ios()
1773 ret = regulator_enable(mmc->supply.vqmmc); in mmci_set_ios()
1775 dev_err(mmc_dev(mmc), in mmci_set_ios()
1812 pinctrl_select_default_state(mmc_dev(mmc)); in mmci_set_ios()
1826 dev_err(mmc_dev(host->mmc), in mmci_set_ios()
1840 mmci_set_max_busy_timeout(mmc); in mmci_set_ios()
1852 static int mmci_get_cd(struct mmc_host *mmc) in mmci_get_cd() argument
1854 struct mmci_host *host = mmc_priv(mmc); in mmci_get_cd()
1856 unsigned int status = mmc_gpio_get_cd(mmc); in mmci_get_cd()
1862 status = plat->status(mmc_dev(host->mmc)); in mmci_get_cd()
1867 static int mmci_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios) in mmci_sig_volt_switch() argument
1869 struct mmci_host *host = mmc_priv(mmc); in mmci_sig_volt_switch()
1872 ret = mmc_regulator_set_vqmmc(mmc, ios); in mmci_sig_volt_switch()
1880 dev_warn(mmc_dev(mmc), "Voltage switch failed\n"); in mmci_sig_volt_switch()
1895 static int mmci_of_parse(struct device_node *np, struct mmc_host *mmc) in mmci_of_parse() argument
1897 struct mmci_host *host = mmc_priv(mmc); in mmci_of_parse()
1898 int ret = mmc_of_parse(mmc); in mmci_of_parse()
1923 mmc->caps |= MMC_CAP_MMC_HIGHSPEED; in mmci_of_parse()
1925 mmc->caps |= MMC_CAP_SD_HIGHSPEED; in mmci_of_parse()
1937 struct mmc_host *mmc; in mmci_probe() local
1952 mmc = mmc_alloc_host(sizeof(struct mmci_host), &dev->dev); in mmci_probe()
1953 if (!mmc) in mmci_probe()
1956 ret = mmci_of_parse(np, mmc); in mmci_probe()
1960 host = mmc_priv(mmc); in mmci_probe()
1961 host->mmc = mmc; in mmci_probe()
1963 mmc->ops = &mmci_ops; in mmci_probe()
1980 dev_err(mmc_dev(mmc), "Can't select opendrain pins\n"); in mmci_probe()
1988 dev_dbg(mmc_dev(mmc), "designer ID = 0x%02x\n", host->hw_designer); in mmci_probe()
1989 dev_dbg(mmc_dev(mmc), "revision = 0x%01x\n", host->hw_revision); in mmci_probe()
2019 dev_dbg(mmc_dev(mmc), "eventual mclk rate: %u Hz\n", in mmci_probe()
2040 mmc->f_min = DIV_ROUND_UP(host->mclk, 257); in mmci_probe()
2042 mmc->f_min = DIV_ROUND_UP(host->mclk, 2046); in mmci_probe()
2044 mmc->f_min = clk_round_rate(host->clk, 100000); in mmci_probe()
2046 mmc->f_min = DIV_ROUND_UP(host->mclk, 512); in mmci_probe()
2053 if (mmc->f_max) in mmci_probe()
2054 mmc->f_max = variant->explicit_mclk_control ? in mmci_probe()
2055 min(variant->f_max, mmc->f_max) : in mmci_probe()
2056 min(host->mclk, mmc->f_max); in mmci_probe()
2058 mmc->f_max = variant->explicit_mclk_control ? in mmci_probe()
2062 dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max); in mmci_probe()
2071 ret = mmc_regulator_get_supply(mmc); in mmci_probe()
2075 if (!mmc->ocr_avail) in mmci_probe()
2076 mmc->ocr_avail = plat->ocr_mask; in mmci_probe()
2078 dev_warn(mmc_dev(mmc), "Platform OCR mask is ignored\n"); in mmci_probe()
2081 mmc->caps |= MMC_CAP_CMD23; in mmci_probe()
2095 mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; in mmci_probe()
2100 mmc->caps |= MMC_CAP_NEED_RSP_BUSY; in mmci_probe()
2108 mmc->pm_caps |= MMC_PM_KEEP_POWER; in mmci_probe()
2113 mmc->max_segs = NR_SG; in mmci_probe()
2120 mmc->max_req_size = (1 << variant->datalength_bits) - 1; in mmci_probe()
2126 mmc->max_seg_size = mmc->max_req_size; in mmci_probe()
2131 mmc->max_blk_size = 1 << variant->datactrl_blocksz; in mmci_probe()
2137 mmc->max_blk_count = mmc->max_req_size >> variant->datactrl_blocksz; in mmci_probe()
2156 ret = mmc_gpiod_request_cd(mmc, "cd", 0, false, 0); in mmci_probe()
2160 ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0); in mmci_probe()
2182 amba_set_drvdata(dev, mmc); in mmci_probe()
2185 mmc_hostname(mmc), amba_part(dev), amba_manf(dev), in mmci_probe()
2194 ret = mmc_add_host(mmc); in mmci_probe()
2204 mmc_free_host(mmc); in mmci_probe()
2210 struct mmc_host *mmc = amba_get_drvdata(dev); in mmci_remove() local
2212 if (mmc) { in mmci_remove()
2213 struct mmci_host *host = mmc_priv(mmc); in mmci_remove()
2222 mmc_remove_host(mmc); in mmci_remove()
2234 mmc_free_host(mmc); in mmci_remove()
2277 struct mmc_host *mmc = amba_get_drvdata(adev); in mmci_runtime_suspend() local
2279 if (mmc) { in mmci_runtime_suspend()
2280 struct mmci_host *host = mmc_priv(mmc); in mmci_runtime_suspend()
2292 struct mmc_host *mmc = amba_get_drvdata(adev); in mmci_runtime_resume() local
2294 if (mmc) { in mmci_runtime_resume()
2295 struct mmci_host *host = mmc_priv(mmc); in mmci_runtime_resume()