X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmmc%2Fhost%2Fsdhci.c;h=07c2048b230ba0ec37d8ca3d140921162ae96253;hb=e21f5b153b9b4a6775d7d41964e372e13a9178ab;hp=785bbdcf4a58212e4371fbdc024a1ef1919ffc88;hpb=2b5baad1656d2e193308333636707ace4a2fff56;p=linux-2.6-omap-h63xx.git diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 785bbdcf4a5..07c2048b230 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1,7 +1,7 @@ /* * linux/drivers/mmc/host/sdhci.c - Secure Digital Host Controller Interface driver * - * Copyright (C) 2005-2007 Pierre Ossman, All Rights Reserved. + * Copyright (C) 2005-2008 Pierre Ossman, All Rights Reserved. * * 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 @@ -19,6 +19,8 @@ #include #include +#include + #include #include "sdhci.h" @@ -39,7 +41,7 @@ static unsigned int debug_quirks = 0; #define SDHCI_QUIRK_CLOCK_BEFORE_RESET (1<<0) /* Controller has bad caps bits, but really supports DMA */ #define SDHCI_QUIRK_FORCE_DMA (1<<1) -/* Controller doesn't like some resets when there is no card inserted. */ +/* Controller doesn't like to be reset when there is no card inserted. */ #define SDHCI_QUIRK_NO_CARD_NO_RESET (1<<2) /* Controller doesn't like clearing the power reg before a change */ #define SDHCI_QUIRK_SINGLE_POWER_WRITE (1<<3) @@ -67,12 +69,20 @@ static const struct pci_device_id pci_ids[] __devinitdata = { { .vendor = PCI_VENDOR_ID_RICOH, .device = PCI_DEVICE_ID_RICOH_R5C822, - .subvendor = PCI_ANY_ID, + .subvendor = PCI_VENDOR_ID_SAMSUNG, .subdevice = PCI_ANY_ID, .driver_data = SDHCI_QUIRK_FORCE_DMA | SDHCI_QUIRK_NO_CARD_NO_RESET, }, + { + .vendor = PCI_VENDOR_ID_RICOH, + .device = PCI_DEVICE_ID_RICOH_R5C822, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .driver_data = SDHCI_QUIRK_FORCE_DMA, + }, + { .vendor = PCI_VENDOR_ID_TI, .device = PCI_DEVICE_ID_TI_XX21_XX11_SD, @@ -252,6 +262,24 @@ static void sdhci_deactivate_led(struct sdhci_host *host) writeb(ctrl, host->ioaddr + SDHCI_HOST_CONTROL); } +#ifdef CONFIG_LEDS_CLASS +static void sdhci_led_control(struct led_classdev *led, + enum led_brightness brightness) +{ + struct sdhci_host *host = container_of(led, struct sdhci_host, led); + unsigned long flags; + + spin_lock_irqsave(&host->lock, flags); + + if (brightness == LED_OFF) + sdhci_deactivate_led(host); + else + sdhci_activate_led(host); + + spin_unlock_irqrestore(&host->lock, flags); +} +#endif + /*****************************************************************************\ * * * Core functions * @@ -769,7 +797,9 @@ static void sdhci_request(struct mmc_host *mmc, struct mmc_request *mrq) WARN_ON(host->mrq != NULL); +#ifndef CONFIG_LEDS_CLASS sdhci_activate_led(host); +#endif host->mrq = mrq; @@ -961,7 +991,9 @@ static void sdhci_tasklet_finish(unsigned long param) host->cmd = NULL; host->data = NULL; +#ifndef CONFIG_LEDS_CLASS sdhci_deactivate_led(host); +#endif mmiowb(); spin_unlock_irqrestore(&host->lock, flags); @@ -1101,7 +1133,8 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id) goto out; } - DBG("*** %s got interrupt: 0x%08x\n", host->slot_descr, intmask); + DBG("*** %s got interrupt: 0x%08x\n", + mmc_hostname(host->mmc), intmask); if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) { writel(intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE), @@ -1231,7 +1264,7 @@ static int sdhci_resume (struct pci_dev *pdev) if (chip->hosts[i]->flags & SDHCI_USE_DMA) pci_set_master(pdev); ret = request_irq(chip->hosts[i]->irq, sdhci_irq, - IRQF_SHARED, chip->hosts[i]->slot_descr, + IRQF_SHARED, mmc_hostname(chip->hosts[i]->mmc), chip->hosts[i]); if (ret) return ret; @@ -1320,9 +1353,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) DBG("slot %d at 0x%08lx, irq %d\n", slot, host->addr, host->irq); - snprintf(host->slot_descr, 20, "sdhci:slot%d", slot); - - ret = pci_request_region(pdev, host->bar, host->slot_descr); + ret = pci_request_region(pdev, host->bar, mmc_hostname(mmc)); if (ret) goto free; @@ -1339,7 +1370,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT; if (version > 1) { printk(KERN_ERR "%s: Unknown controller version (%d). " - "You may experience problems.\n", host->slot_descr, + "You may experience problems.\n", mmc_hostname(mmc), version); } @@ -1362,13 +1393,13 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) (host->flags & SDHCI_USE_DMA)) { printk(KERN_WARNING "%s: Will use DMA " "mode even though HW doesn't fully " - "claim to support it.\n", host->slot_descr); + "claim to support it.\n", mmc_hostname(mmc)); } if (host->flags & SDHCI_USE_DMA) { if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) { printk(KERN_WARNING "%s: No suitable DMA available. " - "Falling back to PIO.\n", host->slot_descr); + "Falling back to PIO.\n", mmc_hostname(mmc)); host->flags &= ~SDHCI_USE_DMA; } } @@ -1382,7 +1413,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT; if (host->max_clk == 0) { printk(KERN_ERR "%s: Hardware doesn't specify base clock " - "frequency.\n", host->slot_descr); + "frequency.\n", mmc_hostname(mmc)); ret = -ENODEV; goto unmap; } @@ -1392,7 +1423,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) (caps & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT; if (host->timeout_clk == 0) { printk(KERN_ERR "%s: Hardware doesn't specify timeout clock " - "frequency.\n", host->slot_descr); + "frequency.\n", mmc_hostname(mmc)); ret = -ENODEV; goto unmap; } @@ -1420,7 +1451,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) if (mmc->ocr_avail == 0) { printk(KERN_ERR "%s: Hardware doesn't report any " - "support voltages.\n", host->slot_descr); + "support voltages.\n", mmc_hostname(mmc)); ret = -ENODEV; goto unmap; } @@ -1454,8 +1485,8 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) */ mmc->max_blk_size = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT; if (mmc->max_blk_size >= 3) { - printk(KERN_WARNING "%s: Invalid maximum block size, assuming 512\n", - host->slot_descr); + printk(KERN_WARNING "%s: Invalid maximum block size, " + "assuming 512 bytes\n", mmc_hostname(mmc)); mmc->max_blk_size = 512; } else mmc->max_blk_size = 512 << mmc->max_blk_size; @@ -1476,7 +1507,7 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) setup_timer(&host->timer, sdhci_timeout_timer, (unsigned long)host); ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED, - host->slot_descr, host); + mmc_hostname(mmc), host); if (ret) goto untasklet; @@ -1486,16 +1517,32 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot) sdhci_dumpregs(host); #endif +#ifdef CONFIG_LEDS_CLASS + host->led.name = mmc_hostname(mmc); + host->led.brightness = LED_OFF; + host->led.default_trigger = mmc_hostname(mmc); + host->led.brightness_set = sdhci_led_control; + + ret = led_classdev_register(&pdev->dev, &host->led); + if (ret) + goto reset; +#endif + mmiowb(); mmc_add_host(mmc); - printk(KERN_INFO "%s: SDHCI at 0x%08lx irq %d %s\n", mmc_hostname(mmc), - host->addr, host->irq, + printk(KERN_INFO "%s: SDHCI at 0x%08lx irq %d %s\n", + mmc_hostname(mmc), host->addr, host->irq, (host->flags & SDHCI_USE_DMA)?"DMA":"PIO"); return 0; +#ifdef CONFIG_LEDS_CLASS +reset: + sdhci_reset(host, SDHCI_RESET_ALL); + free_irq(host->irq, host); +#endif untasklet: tasklet_kill(&host->card_tasklet); tasklet_kill(&host->finish_tasklet); @@ -1523,6 +1570,10 @@ static void sdhci_remove_slot(struct pci_dev *pdev, int slot) mmc_remove_host(mmc); +#ifdef CONFIG_LEDS_CLASS + led_classdev_unregister(&host->led); +#endif + sdhci_reset(host, SDHCI_RESET_ALL); free_irq(host->irq, host);