diff options
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/Makefile | 3 | ||||
| -rw-r--r-- | drivers/mmc/host/at91_mci.c | 4 | ||||
| -rw-r--r-- | drivers/mmc/host/mmc_spi.c | 4 | ||||
| -rw-r--r-- | drivers/mmc/host/of_mmc_spi.c | 149 | ||||
| -rw-r--r-- | drivers/mmc/host/pxamci.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/ricoh_mmc.c | 17 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.c | 17 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci.h | 2 | ||||
| -rw-r--r-- | drivers/mmc/host/sdricoh_cs.c | 4 | ||||
| -rw-r--r-- | drivers/mmc/host/tmio_mmc.c | 3 |
11 files changed, 187 insertions, 20 deletions
diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index c794cc5ce442..f4853288bbb1 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -19,6 +19,9 @@ obj-$(CONFIG_MMC_AT91) += at91_mci.o obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o obj-$(CONFIG_MMC_SPI) += mmc_spi.o +ifeq ($(CONFIG_OF),y) +obj-$(CONFIG_MMC_SPI) += of_mmc_spi.o +endif obj-$(CONFIG_MMC_S3C) += s3cmci.o obj-$(CONFIG_MMC_SDRICOH_CS) += sdricoh_cs.o obj-$(CONFIG_MMC_TMIO) += tmio_mmc.o diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c index 1f8b5b36222c..e556d42cc45a 100644 --- a/drivers/mmc/host/at91_mci.c +++ b/drivers/mmc/host/at91_mci.c @@ -1088,6 +1088,8 @@ static int __init at91_mci_probe(struct platform_device *pdev) goto fail0; } + setup_timer(&host->timer, at91_timeout_timer, (unsigned long)host); + platform_set_drvdata(pdev, mmc); /* @@ -1101,8 +1103,6 @@ static int __init at91_mci_probe(struct platform_device *pdev) mmc_add_host(mmc); - setup_timer(&host->timer, at91_timeout_timer, (unsigned long)host); - /* * monitor card insertion/removal if we can */ diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index ad00e1632317..87e211df68ac 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1285,7 +1285,7 @@ static int mmc_spi_probe(struct spi_device *spi) /* Platform data is used to hook up things like card sensing * and power switching gpios. */ - host->pdata = spi->dev.platform_data; + host->pdata = mmc_spi_get_pdata(spi); if (host->pdata) mmc->ocr_avail = host->pdata->ocr_mask; if (!mmc->ocr_avail) { @@ -1368,6 +1368,7 @@ fail_glue_init: fail_nobuf1: mmc_free_host(mmc); + mmc_spi_put_pdata(spi); dev_set_drvdata(&spi->dev, NULL); nomem: @@ -1402,6 +1403,7 @@ static int __devexit mmc_spi_remove(struct spi_device *spi) spi->max_speed_hz = mmc->f_max; mmc_free_host(mmc); + mmc_spi_put_pdata(spi); dev_set_drvdata(&spi->dev, NULL); } return 0; diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c new file mode 100644 index 000000000000..fb2921f8099d --- /dev/null +++ b/drivers/mmc/host/of_mmc_spi.c @@ -0,0 +1,149 @@ +/* + * OpenFirmware bindings for the MMC-over-SPI driver + * + * Copyright (c) MontaVista Software, Inc. 2008. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/gpio.h> +#include <linux/of.h> +#include <linux/of_gpio.h> +#include <linux/spi/spi.h> +#include <linux/spi/mmc_spi.h> +#include <linux/mmc/core.h> +#include <linux/mmc/host.h> + +enum { + CD_GPIO = 0, + WP_GPIO, + NUM_GPIOS, +}; + +struct of_mmc_spi { + int gpios[NUM_GPIOS]; + bool alow_gpios[NUM_GPIOS]; + struct mmc_spi_platform_data pdata; +}; + +static struct of_mmc_spi *to_of_mmc_spi(struct device *dev) +{ + return container_of(dev->platform_data, struct of_mmc_spi, pdata); +} + +static int of_mmc_spi_read_gpio(struct device *dev, int gpio_num) +{ + struct of_mmc_spi *oms = to_of_mmc_spi(dev); + bool active_low = oms->alow_gpios[gpio_num]; + bool value = gpio_get_value(oms->gpios[gpio_num]); + + return active_low ^ value; +} + +static int of_mmc_spi_get_cd(struct device *dev) +{ + return of_mmc_spi_read_gpio(dev, CD_GPIO); +} + +static int of_mmc_spi_get_ro(struct device *dev) +{ + return of_mmc_spi_read_gpio(dev, WP_GPIO); +} + +struct mmc_spi_platform_data *mmc_spi_get_pdata(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + struct device_node *np = dev_archdata_get_node(&dev->archdata); + struct of_mmc_spi *oms; + const u32 *voltage_ranges; + int num_ranges; + int i; + int ret = -EINVAL; + + if (dev->platform_data || !np) + return dev->platform_data; + + oms = kzalloc(sizeof(*oms), GFP_KERNEL); + if (!oms) + return NULL; + + voltage_ranges = of_get_property(np, "voltage-ranges", &num_ranges); + num_ranges = num_ranges / sizeof(*voltage_ranges) / 2; + if (!voltage_ranges || !num_ranges) { + dev_err(dev, "OF: voltage-ranges unspecified\n"); + goto err_ocr; + } + + for (i = 0; i < num_ranges; i++) { + const int j = i * 2; + u32 mask; + + mask = mmc_vddrange_to_ocrmask(voltage_ranges[j], + voltage_ranges[j + 1]); + if (!mask) { + ret = -EINVAL; + dev_err(dev, "OF: voltage-range #%d is invalid\n", i); + goto err_ocr; + } + oms->pdata.ocr_mask |= mask; + } + + for (i = 0; i < ARRAY_SIZE(oms->gpios); i++) { + enum of_gpio_flags gpio_flags; + + oms->gpios[i] = of_get_gpio_flags(np, i, &gpio_flags); + if (!gpio_is_valid(oms->gpios[i])) + continue; + + ret = gpio_request(oms->gpios[i], dev->bus_id); + if (ret < 0) { + oms->gpios[i] = -EINVAL; + continue; + } + + if (gpio_flags & OF_GPIO_ACTIVE_LOW) + oms->alow_gpios[i] = true; + } + + if (gpio_is_valid(oms->gpios[CD_GPIO])) + oms->pdata.get_cd = of_mmc_spi_get_cd; + if (gpio_is_valid(oms->gpios[WP_GPIO])) + oms->pdata.get_ro = of_mmc_spi_get_ro; + + /* We don't support interrupts yet, let's poll. */ + oms->pdata.caps |= MMC_CAP_NEEDS_POLL; + + dev->platform_data = &oms->pdata; + return dev->platform_data; +err_ocr: + kfree(oms); + return NULL; +} +EXPORT_SYMBOL(mmc_spi_get_pdata); + +void mmc_spi_put_pdata(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + struct device_node *np = dev_archdata_get_node(&dev->archdata); + struct of_mmc_spi *oms = to_of_mmc_spi(dev); + int i; + + if (!dev->platform_data || !np) + return; + + for (i = 0; i < ARRAY_SIZE(oms->gpios); i++) { + if (gpio_is_valid(oms->gpios[i])) + gpio_free(oms->gpios[i]); + } + kfree(oms); + dev->platform_data = NULL; +} +EXPORT_SYMBOL(mmc_spi_put_pdata); diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index f88cc7406354..3c5483b75da4 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -283,7 +283,7 @@ static int pxamci_data_done(struct pxamci_host *host, unsigned int stat) return 0; DCSR(host->dma) = 0; - dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len, + dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len, host->dma_dir); if (stat & STAT_READ_TIME_OUT) diff --git a/drivers/mmc/host/ricoh_mmc.c b/drivers/mmc/host/ricoh_mmc.c index a16d7609e4ee..be9e7b32b34e 100644 --- a/drivers/mmc/host/ricoh_mmc.c +++ b/drivers/mmc/host/ricoh_mmc.c @@ -11,9 +11,10 @@ /* * This is a conceptually ridiculous driver, but it is required by the way - * the Ricoh multi-function R5C832 works. This chip implements firewire - * and four different memory card controllers. Two of those controllers are - * an SDHCI controller and a proprietary MMC controller. The linux SDHCI + * the Ricoh multi-function chips (R5CXXX) work. These chips implement + * the four main memory card controllers (SD, MMC, MS, xD) and one or both + * of cardbus or firewire. It happens that they implement SD and MMC + * support as separate controllers (and PCI functions). The linux SDHCI * driver supports MMC cards but the chip detects MMC cards in hardware * and directs them to the MMC controller - so the SDHCI driver never sees * them. To get around this, we must disable the useless MMC controller. @@ -21,8 +22,10 @@ * a detection event occurs immediately, even if the MMC card is already * in the reader. * - * The relevant registers live on the firewire function, so this is unavoidably - * ugly. Such is life. + * It seems to be the case that the relevant PCI registers to deactivate the + * MMC controller live on PCI function 0, which might be the cardbus controller + * or the firewire controller, depending on the particular chip in question. As + * such, it makes what this driver has to do unavoidably ugly. Such is life. */ #include <linux/pci.h> @@ -143,6 +146,7 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev, pci_get_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, fw_dev))) { if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) && + PCI_FUNC(fw_dev->devfn) == 0 && pdev->bus == fw_dev->bus) { if (ricoh_mmc_disable(fw_dev) != 0) return -ENODEV; @@ -160,6 +164,7 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev, (fw_dev = pci_get_device(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_R5C832, fw_dev))) { if (PCI_SLOT(pdev->devfn) == PCI_SLOT(fw_dev->devfn) && + PCI_FUNC(fw_dev->devfn) == 0 && pdev->bus == fw_dev->bus) { if (ricoh_mmc_disable(fw_dev) != 0) return -ENODEV; @@ -172,7 +177,7 @@ static int __devinit ricoh_mmc_probe(struct pci_dev *pdev, if (!ctrlfound) { printk(KERN_WARNING DRIVER_NAME - ": Main firewire function not found. Cannot disable controller.\n"); + ": Main Ricoh function not found. Cannot disable controller.\n"); return -ENODEV; } diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 9bd7026b0021..f07255cb17ee 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -545,7 +545,7 @@ static struct sdhci_pci_slot * __devinit sdhci_pci_probe_slot( } addr = pci_resource_start(pdev, bar); - host->ioaddr = ioremap_nocache(addr, pci_resource_len(pdev, bar)); + host->ioaddr = pci_ioremap_bar(pdev, bar); if (!host->ioaddr) { dev_err(&pdev->dev, "failed to remap registers\n"); goto release; diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 4d010a984bed..6b2d1f99af67 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -30,6 +30,11 @@ #define DBG(f, x...) \ pr_debug(DRIVER_NAME " [%s()]: " f, __func__,## x) +#if defined(CONFIG_LEDS_CLASS) || (defined(CONFIG_LEDS_CLASS_MODULE) && \ + defined(CONFIG_MMC_SDHCI_MODULE)) +#define SDHCI_USE_LEDS_CLASS +#endif + static unsigned int debug_quirks = 0; static void sdhci_prepare_data(struct sdhci_host *, struct mmc_data *); @@ -149,7 +154,7 @@ static void sdhci_deactivate_led(struct sdhci_host *host) writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL); } -#ifdef CONFIG_LEDS_CLASS +#ifdef SDHCI_USE_LEDS_CLASS static void sdhci_led_control(struct led_classdev *led, enum led_brightness brightness) { @@ -994,7 +999,7 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) WARN_ON(host->mrq != NULL); -#ifndef CONFIG_LEDS_CLASS +#ifndef SDHCI_USE_LEDS_CLASS sdhci_activate_led(host); #endif @@ -1201,7 +1206,7 @@ static void sdhci_tasklet_finish(unsigned long param) host->cmd = NULL; host->data = NULL; -#ifndef CONFIG_LEDS_CLASS +#ifndef SDHCI_USE_LEDS_CLASS sdhci_deactivate_led(host); #endif @@ -1717,7 +1722,7 @@ int sdhci_add_host(struct sdhci_host *host) sdhci_dumpregs(host); #endif -#ifdef CONFIG_LEDS_CLASS +#ifdef SDHCI_USE_LEDS_CLASS host->led.name = mmc_hostname(mmc); host->led.brightness = LED_OFF; host->led.default_trigger = mmc_hostname(mmc); @@ -1739,7 +1744,7 @@ int sdhci_add_host(struct sdhci_host *host) return 0; -#ifdef CONFIG_LEDS_CLASS +#ifdef SDHCI_USE_LEDS_CLASS reset: sdhci_reset(host, SDHCI_RESET_ALL); free_irq(host->irq, host); @@ -1775,7 +1780,7 @@ void sdhci_remove_host(struct sdhci_host *host, int dead) mmc_remove_host(host->mmc); -#ifdef CONFIG_LEDS_CLASS +#ifdef SDHCI_USE_LEDS_CLASS led_classdev_unregister(&host->led); #endif diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h index 31f4b1528e76..3efba2363941 100644 --- a/drivers/mmc/host/sdhci.h +++ b/drivers/mmc/host/sdhci.h @@ -220,7 +220,7 @@ struct sdhci_host { struct mmc_host *mmc; /* MMC structure */ u64 dma_mask; /* custom DMA mask */ -#ifdef CONFIG_LEDS_CLASS +#if defined(CONFIG_LEDS_CLASS) || defined(CONFIG_LEDS_CLASS_MODULE) struct led_classdev led; /* LED control */ #endif diff --git a/drivers/mmc/host/sdricoh_cs.c b/drivers/mmc/host/sdricoh_cs.c index 1df44d966bdb..cb41e9c3ac07 100644 --- a/drivers/mmc/host/sdricoh_cs.c +++ b/drivers/mmc/host/sdricoh_cs.c @@ -82,6 +82,8 @@ static struct pcmcia_device_id pcmcia_ids[] = { /* vendor and device strings followed by their crc32 hashes */ PCMCIA_DEVICE_PROD_ID12("RICOH", "Bay1Controller", 0xd9f522ed, 0xc3901202), + PCMCIA_DEVICE_PROD_ID12("RICOH", "Bay Controller", 0xd9f522ed, + 0xace80909), PCMCIA_DEVICE_NULL, }; @@ -463,7 +465,7 @@ static int sdricoh_init_mmc(struct pci_dev *pci_dev, err: if (iobase) - iounmap(iobase); + pci_iounmap(pci_dev, iobase); if (mmc) mmc_free_host(mmc); diff --git a/drivers/mmc/host/tmio_mmc.c b/drivers/mmc/host/tmio_mmc.c index 95430b81ec11..6a7a61904833 100644 --- a/drivers/mmc/host/tmio_mmc.c +++ b/drivers/mmc/host/tmio_mmc.c @@ -224,7 +224,7 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host) { void __iomem *ctl = host->ctl; struct mmc_data *data = host->data; - struct mmc_command *stop = data->stop; + struct mmc_command *stop; host->data = NULL; @@ -232,6 +232,7 @@ static inline void tmio_mmc_data_irq(struct tmio_mmc_host *host) pr_debug("Spurious data end IRQ\n"); return; } + stop = data->stop; /* FIXME - return correct transfer count on errors */ if (!data->error) |