Lines Matching refs:mmc
336 static int mmci_card_busy(struct mmc_host *mmc) in mmci_card_busy() argument
338 struct mmci_host *host = mmc_priv(mmc); in mmci_card_busy()
449 host->mmc->actual_clock = host->cclk; in mmci_set_clkreg()
451 if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_4) in mmci_set_clkreg()
453 if (host->mmc->ios.bus_width == MMC_BUS_WIDTH_8) in mmci_set_clkreg()
456 if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || in mmci_set_clkreg()
457 host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) in mmci_set_clkreg()
496 dev_err(mmc_dev(host->mmc), in mmci_validate_data()
556 dev_vdbg(mmc_dev(host->mmc), in mmci_dma_start()
605 mmc_request_done(host->mmc, mrq); in mmci_request_end()
742 dmae = devm_kzalloc(mmc_dev(host->mmc), sizeof(*dmae), GFP_KERNEL); in mmci_dmae_setup()
748 dmae->rx_channel = dma_request_chan(mmc_dev(host->mmc), "rx"); in mmci_dmae_setup()
755 dmae->tx_channel = dma_request_chan(mmc_dev(host->mmc), "tx"); in mmci_dmae_setup()
758 dev_warn(mmc_dev(host->mmc), in mmci_dmae_setup()
781 dev_info(mmc_dev(host->mmc), "DMA channels RX %s, TX %s\n", in mmci_dmae_setup()
792 if (max_seg_size < host->mmc->max_seg_size) in mmci_dmae_setup()
793 host->mmc->max_seg_size = max_seg_size; in mmci_dmae_setup()
799 if (max_seg_size < host->mmc->max_seg_size) in mmci_dmae_setup()
800 host->mmc->max_seg_size = max_seg_size; in mmci_dmae_setup()
847 dev_err(mmc_dev(host->mmc), "error during DMA transfer!\n"); in mmci_dmae_error()
893 dev_err(mmc_dev(host->mmc), "buggy DMA detected. Taking evasive action.\n"); in mmci_dmae_finalize()
1101 static void mmci_pre_request(struct mmc_host *mmc, struct mmc_request *mrq) in mmci_pre_request() argument
1103 struct mmci_host *host = mmc_priv(mmc); in mmci_pre_request()
1117 static void mmci_post_request(struct mmc_host *mmc, struct mmc_request *mrq, in mmci_post_request() argument
1120 struct mmci_host *host = mmc_priv(mmc); in mmci_post_request()
1136 dev_dbg(mmc_dev(host->mmc), "blksz %04x blks %04x flags %08x\n", in mmci_start_data()
1155 if (host->mmc->card && mmc_card_sdio(host->mmc->card)) { in mmci_start_data()
1176 if (host->mmc->ios.timing == MMC_TIMING_UHS_DDR50 || in mmci_start_data()
1177 host->mmc->ios.timing == MMC_TIMING_MMC_DDR52) in mmci_start_data()
1219 dev_dbg(mmc_dev(host->mmc), "op %02x arg %08x flags %08x\n", in mmci_start_command()
1245 if (cmd->busy_timeout > host->mmc->max_busy_timeout) in mmci_start_command()
1246 clks = (unsigned long long)host->mmc->max_busy_timeout * host->cclk; in mmci_start_command()
1310 dev_dbg(mmc_dev(host->mmc), "MCI ERROR IRQ, status 0x%08x at 0x%08x\n", in mmci_data_irq()
1333 dev_err(mmc_dev(host->mmc), "stray MCI_DATABLOCKEND interrupt\n"); in mmci_data_irq()
1547 dev_dbg(mmc_dev(host->mmc), "irq1 (pio) %08x\n", status); in mmci_pio_irq()
1641 dev_dbg(mmc_dev(host->mmc), "irq0 (data+cmd) %08x\n", status); in mmci_irq()
1695 static void mmci_request(struct mmc_host *mmc, struct mmc_request *mrq) in mmci_request() argument
1697 struct mmci_host *host = mmc_priv(mmc); in mmci_request()
1704 mmc_request_done(mmc, mrq); in mmci_request()
1727 static void mmci_set_max_busy_timeout(struct mmc_host *mmc) in mmci_set_max_busy_timeout() argument
1729 struct mmci_host *host = mmc_priv(mmc); in mmci_set_max_busy_timeout()
1735 if (host->variant->busy_timeout && mmc->actual_clock) in mmci_set_max_busy_timeout()
1736 max_busy_timeout = ~0UL / (mmc->actual_clock / MSEC_PER_SEC); in mmci_set_max_busy_timeout()
1738 mmc->max_busy_timeout = max_busy_timeout; in mmci_set_max_busy_timeout()
1741 static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) in mmci_set_ios() argument
1743 struct mmci_host *host = mmc_priv(mmc); in mmci_set_ios()
1750 host->plat->ios_handler(mmc_dev(mmc), ios)) in mmci_set_ios()
1751 dev_err(mmc_dev(mmc), "platform ios_handler failed\n"); in mmci_set_ios()
1755 if (!IS_ERR(mmc->supply.vmmc)) in mmci_set_ios()
1756 mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); in mmci_set_ios()
1758 if (!IS_ERR(mmc->supply.vqmmc) && host->vqmmc_enabled) { in mmci_set_ios()
1759 regulator_disable(mmc->supply.vqmmc); in mmci_set_ios()
1765 if (!IS_ERR(mmc->supply.vmmc)) in mmci_set_ios()
1766 mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); in mmci_set_ios()
1777 if (!IS_ERR(mmc->supply.vqmmc) && !host->vqmmc_enabled) { in mmci_set_ios()
1778 ret = regulator_enable(mmc->supply.vqmmc); in mmci_set_ios()
1780 dev_err(mmc_dev(mmc), in mmci_set_ios()
1817 pinctrl_select_default_state(mmc_dev(mmc)); in mmci_set_ios()
1831 dev_err(mmc_dev(host->mmc), in mmci_set_ios()
1845 mmci_set_max_busy_timeout(mmc); in mmci_set_ios()
1857 static int mmci_get_cd(struct mmc_host *mmc) in mmci_get_cd() argument
1859 struct mmci_host *host = mmc_priv(mmc); in mmci_get_cd()
1861 unsigned int status = mmc_gpio_get_cd(mmc); in mmci_get_cd()
1867 status = plat->status(mmc_dev(host->mmc)); in mmci_get_cd()
1872 static int mmci_sig_volt_switch(struct mmc_host *mmc, struct mmc_ios *ios) in mmci_sig_volt_switch() argument
1874 struct mmci_host *host = mmc_priv(mmc); in mmci_sig_volt_switch()
1877 ret = mmc_regulator_set_vqmmc(mmc, ios); in mmci_sig_volt_switch()
1885 dev_warn(mmc_dev(mmc), "Voltage switch failed\n"); in mmci_sig_volt_switch()
1900 static void mmci_probe_level_translator(struct mmc_host *mmc) in mmci_probe_level_translator() argument
1902 struct device *dev = mmc_dev(mmc); in mmci_probe_level_translator()
1903 struct mmci_host *host = mmc_priv(mmc); in mmci_probe_level_translator()
1959 static int mmci_of_parse(struct device_node *np, struct mmc_host *mmc) in mmci_of_parse() argument
1961 struct mmci_host *host = mmc_priv(mmc); in mmci_of_parse()
1962 int ret = mmc_of_parse(mmc); in mmci_of_parse()
1984 mmci_probe_level_translator(mmc); in mmci_of_parse()
1987 mmc->caps |= MMC_CAP_MMC_HIGHSPEED; in mmci_of_parse()
1989 mmc->caps |= MMC_CAP_SD_HIGHSPEED; in mmci_of_parse()
2001 struct mmc_host *mmc; in mmci_probe() local
2016 mmc = mmc_alloc_host(sizeof(struct mmci_host), &dev->dev); in mmci_probe()
2017 if (!mmc) in mmci_probe()
2020 host = mmc_priv(mmc); in mmci_probe()
2021 host->mmc = mmc; in mmci_probe()
2023 mmc->ops = &mmci_ops; in mmci_probe()
2025 ret = mmci_of_parse(np, mmc); in mmci_probe()
2044 dev_err(mmc_dev(mmc), "Can't select opendrain pins\n"); in mmci_probe()
2052 dev_dbg(mmc_dev(mmc), "designer ID = 0x%02x\n", host->hw_designer); in mmci_probe()
2053 dev_dbg(mmc_dev(mmc), "revision = 0x%01x\n", host->hw_revision); in mmci_probe()
2083 dev_dbg(mmc_dev(mmc), "eventual mclk rate: %u Hz\n", in mmci_probe()
2104 mmc->f_min = DIV_ROUND_UP(host->mclk, 257); in mmci_probe()
2106 mmc->f_min = DIV_ROUND_UP(host->mclk, 2046); in mmci_probe()
2108 mmc->f_min = clk_round_rate(host->clk, 100000); in mmci_probe()
2110 mmc->f_min = DIV_ROUND_UP(host->mclk, 512); in mmci_probe()
2117 if (mmc->f_max) in mmci_probe()
2118 mmc->f_max = variant->explicit_mclk_control ? in mmci_probe()
2119 min(variant->f_max, mmc->f_max) : in mmci_probe()
2120 min(host->mclk, mmc->f_max); in mmci_probe()
2122 mmc->f_max = variant->explicit_mclk_control ? in mmci_probe()
2126 dev_dbg(mmc_dev(mmc), "clocking block at %u Hz\n", mmc->f_max); in mmci_probe()
2135 dev_err(mmc_dev(mmc), "failed to de-assert reset\n"); in mmci_probe()
2138 ret = mmc_regulator_get_supply(mmc); in mmci_probe()
2142 if (!mmc->ocr_avail) in mmci_probe()
2143 mmc->ocr_avail = plat->ocr_mask; in mmci_probe()
2145 dev_warn(mmc_dev(mmc), "Platform OCR mask is ignored\n"); in mmci_probe()
2148 mmc->caps |= MMC_CAP_CMD23; in mmci_probe()
2162 mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY; in mmci_probe()
2167 mmc->caps |= MMC_CAP_NEED_RSP_BUSY; in mmci_probe()
2175 mmc->pm_caps |= MMC_PM_KEEP_POWER; in mmci_probe()
2180 mmc->max_segs = NR_SG; in mmci_probe()
2187 mmc->max_req_size = (1 << variant->datalength_bits) - 1; in mmci_probe()
2193 mmc->max_seg_size = mmc->max_req_size; in mmci_probe()
2198 mmc->max_blk_size = 1 << variant->datactrl_blocksz; in mmci_probe()
2204 mmc->max_blk_count = mmc->max_req_size >> variant->datactrl_blocksz; in mmci_probe()
2223 ret = mmc_gpiod_request_cd(mmc, "cd", 0, false, 0); in mmci_probe()
2227 ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0); in mmci_probe()
2249 amba_set_drvdata(dev, mmc); in mmci_probe()
2252 mmc_hostname(mmc), amba_part(dev), amba_manf(dev), in mmci_probe()
2261 mmc_add_host(mmc); in mmci_probe()
2269 mmc_free_host(mmc); in mmci_probe()
2275 struct mmc_host *mmc = amba_get_drvdata(dev); in mmci_remove() local
2277 if (mmc) { in mmci_remove()
2278 struct mmci_host *host = mmc_priv(mmc); in mmci_remove()
2287 mmc_remove_host(mmc); in mmci_remove()
2299 mmc_free_host(mmc); in mmci_remove()
2342 struct mmc_host *mmc = amba_get_drvdata(adev); in mmci_runtime_suspend() local
2344 if (mmc) { in mmci_runtime_suspend()
2345 struct mmci_host *host = mmc_priv(mmc); in mmci_runtime_suspend()
2357 struct mmc_host *mmc = amba_get_drvdata(adev); in mmci_runtime_resume() local
2359 if (mmc) { in mmci_runtime_resume()
2360 struct mmci_host *host = mmc_priv(mmc); in mmci_runtime_resume()