Loading MAINTAINERS +6 −0 Original line number Diff line number Diff line Loading @@ -480,6 +480,12 @@ M: kernel@wantstofly.org L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) S: Maintained ARM/GUMSTIX MACHINE SUPPORT P: Steve Sakoman M: sakoman@gmail.com L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) S: Maintained ARM/HP JORNADA 7XX MACHINE SUPPORT P: Kristoffer Ericson M: kristoffer.ericson@gmail.com Loading arch/arm/Kconfig +20 −3 Original line number Diff line number Diff line Loading @@ -255,6 +255,7 @@ config ARCH_EP93XX select ARM_AMBA select ARM_VIC select GENERIC_GPIO select HAVE_GPIO_LIB help This enables support for the Cirrus EP93xx series of CPUs. Loading Loading @@ -377,15 +378,17 @@ config ARCH_MXC help Support for Freescale MXC/iMX-based family of processors config ARCH_ORION config ARCH_ORION5X bool "Marvell Orion" depends on MMU select PCI select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS select PLAT_ORION help Support for Marvell Orion System on Chip family. Support for the following Marvell Orion 5x series SoCs: Orion-1 (5181), Orion-NAS (5182), Orion-2 (5281.) config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" Loading Loading @@ -422,10 +425,15 @@ config ARCH_SA1100 bool "SA1100-based" select ISA select ARCH_DISCONTIGMEM_ENABLE select ARCH_SPARSEMEM_ENABLE select ARCH_SELECT_MEMORY_MODEL select ARCH_MTD_XIP select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS select TICK_ONESHOT select HAVE_IDE select HAVE_GPIO_LIB help Support for StrongARM 11x0 based boards. Loading Loading @@ -516,7 +524,7 @@ source "arch/arm/mach-omap1/Kconfig" source "arch/arm/mach-omap2/Kconfig" source "arch/arm/mach-orion/Kconfig" source "arch/arm/mach-orion5x/Kconfig" source "arch/arm/plat-s3c24xx/Kconfig" source "arch/arm/plat-s3c/Kconfig" Loading Loading @@ -563,6 +571,9 @@ config ARCH_ACORN config PLAT_IOP bool config PLAT_ORION bool source arch/arm/mm/Kconfig config IWMMXT Loading Loading @@ -774,6 +785,12 @@ config ARCH_DISCONTIGMEM_ENABLE or have huge holes in the physical address space for other reasons. See <file:Documentation/vm/numa> for more. config ARCH_SPARSEMEM_ENABLE bool config ARCH_SELECT_MEMORY_MODEL bool config NODES_SHIFT int default "4" if ARCH_LH7A40X Loading arch/arm/Makefile +2 −2 Original line number Diff line number Diff line Loading @@ -134,12 +134,11 @@ endif machine-$(CONFIG_ARCH_PNX4008) := pnx4008 machine-$(CONFIG_ARCH_NETX) := netx machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx textofs-$(CONFIG_ARCH_NS9XXX) := 0x00108000 machine-$(CONFIG_ARCH_DAVINCI) := davinci machine-$(CONFIG_ARCH_KS8695) := ks8695 incdir-$(CONFIG_ARCH_MXC) := mxc machine-$(CONFIG_ARCH_MX3) := mx3 machine-$(CONFIG_ARCH_ORION) := orion machine-$(CONFIG_ARCH_ORION5X) := orion5x machine-$(CONFIG_ARCH_MSM7X00A) := msm ifeq ($(CONFIG_ARCH_EBSA110),y) Loading Loading @@ -185,6 +184,7 @@ core-$(CONFIG_VFP) += arch/arm/vfp/ # If we have a common platform directory, then include it in the build. core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/ core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/ core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/ core-$(CONFIG_ARCH_MXC) += arch/arm/plat-mxc/ Loading arch/arm/boot/Makefile +7 −1 Original line number Diff line number Diff line Loading @@ -61,9 +61,15 @@ endif quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(ZRELADDR) -e $(ZRELADDR) \ -C none -a $(LOADADDR) -e $(LOADADDR) \ -n 'Linux-$(KERNELRELEASE)' -d $< $@ ifeq ($(CONFIG_ZBOOT_ROM),y) $(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) else $(obj)/uImage: LOADADDR=$(ZRELADDR) endif $(obj)/uImage: $(obj)/zImage FORCE $(call if_changed,uimage) @echo ' Image $@ is ready' Loading arch/arm/common/scoop.c +147 −36 Original line number Diff line number Diff line Loading @@ -16,6 +16,7 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <asm/io.h> #include <asm/gpio.h> #include <asm/hardware/scoop.h> /* PCMCIA to Scoop linkage Loading @@ -30,10 +31,9 @@ struct scoop_pcmcia_config *platform_scoop_config; EXPORT_SYMBOL(platform_scoop_config); #define SCOOP_REG(d,adr) (*(volatile unsigned short*)(d +(adr))) struct scoop_dev { void *base; void __iomem *base; struct gpio_chip gpio; spinlock_t scoop_lock; unsigned short suspend_clr; unsigned short suspend_set; Loading @@ -44,13 +44,84 @@ void reset_scoop(struct device *dev) { struct scoop_dev *sdev = dev_get_drvdata(dev); SCOOP_REG(sdev->base,SCOOP_MCR) = 0x0100; // 00 SCOOP_REG(sdev->base,SCOOP_CDR) = 0x0000; // 04 SCOOP_REG(sdev->base,SCOOP_CCR) = 0x0000; // 10 SCOOP_REG(sdev->base,SCOOP_IMR) = 0x0000; // 18 SCOOP_REG(sdev->base,SCOOP_IRM) = 0x00FF; // 14 SCOOP_REG(sdev->base,SCOOP_ISR) = 0x0000; // 1C SCOOP_REG(sdev->base,SCOOP_IRM) = 0x0000; iowrite16(0x0100, sdev->base + SCOOP_MCR); // 00 iowrite16(0x0000, sdev->base + SCOOP_CDR); // 04 iowrite16(0x0000, sdev->base + SCOOP_CCR); // 10 iowrite16(0x0000, sdev->base + SCOOP_IMR); // 18 iowrite16(0x00FF, sdev->base + SCOOP_IRM); // 14 iowrite16(0x0000, sdev->base + SCOOP_ISR); // 1C iowrite16(0x0000, sdev->base + SCOOP_IRM); } static void __scoop_gpio_set(struct scoop_dev *sdev, unsigned offset, int value) { unsigned short gpwr; gpwr = ioread16(sdev->base + SCOOP_GPWR); if (value) gpwr |= 1 << (offset + 1); else gpwr &= ~(1 << (offset + 1)); iowrite16(gpwr, sdev->base + SCOOP_GPWR); } static void scoop_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); unsigned long flags; spin_lock_irqsave(&sdev->scoop_lock, flags); __scoop_gpio_set(sdev, offset, value); spin_unlock_irqrestore(&sdev->scoop_lock, flags); } static int scoop_gpio_get(struct gpio_chip *chip, unsigned offset) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); /* XXX: I'm usure, but it seems so */ return ioread16(sdev->base + SCOOP_GPRR) & (1 << (offset + 1)); } static int scoop_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); unsigned long flags; unsigned short gpcr; spin_lock_irqsave(&sdev->scoop_lock, flags); gpcr = ioread16(sdev->base + SCOOP_GPCR); gpcr &= ~(1 << (offset + 1)); iowrite16(gpcr, sdev->base + SCOOP_GPCR); spin_unlock_irqrestore(&sdev->scoop_lock, flags); return 0; } static int scoop_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); unsigned long flags; unsigned short gpcr; spin_lock_irqsave(&sdev->scoop_lock, flags); __scoop_gpio_set(sdev, offset, value); gpcr = ioread16(sdev->base + SCOOP_GPCR); gpcr |= 1 << (offset + 1); iowrite16(gpcr, sdev->base + SCOOP_GPCR); spin_unlock_irqrestore(&sdev->scoop_lock, flags); return 0; } unsigned short set_scoop_gpio(struct device *dev, unsigned short bit) Loading @@ -60,8 +131,8 @@ unsigned short set_scoop_gpio(struct device *dev, unsigned short bit) struct scoop_dev *sdev = dev_get_drvdata(dev); spin_lock_irqsave(&sdev->scoop_lock, flag); gpio_bit = SCOOP_REG(sdev->base, SCOOP_GPWR) | bit; SCOOP_REG(sdev->base, SCOOP_GPWR) = gpio_bit; gpio_bit = ioread16(sdev->base + SCOOP_GPWR) | bit; iowrite16(gpio_bit, sdev->base + SCOOP_GPWR); spin_unlock_irqrestore(&sdev->scoop_lock, flag); return gpio_bit; Loading @@ -74,8 +145,8 @@ unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit) struct scoop_dev *sdev = dev_get_drvdata(dev); spin_lock_irqsave(&sdev->scoop_lock, flag); gpio_bit = SCOOP_REG(sdev->base, SCOOP_GPWR) & ~bit; SCOOP_REG(sdev->base,SCOOP_GPWR) = gpio_bit; gpio_bit = ioread16(sdev->base + SCOOP_GPWR) & ~bit; iowrite16(gpio_bit, sdev->base + SCOOP_GPWR); spin_unlock_irqrestore(&sdev->scoop_lock, flag); return gpio_bit; Loading @@ -87,13 +158,13 @@ EXPORT_SYMBOL(reset_scoop_gpio); unsigned short read_scoop_reg(struct device *dev, unsigned short reg) { struct scoop_dev *sdev = dev_get_drvdata(dev); return SCOOP_REG(sdev->base,reg); return ioread16(sdev->base + reg); } void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data) { struct scoop_dev *sdev = dev_get_drvdata(dev); SCOOP_REG(sdev->base,reg)=data; iowrite16(data, sdev->base + reg); } EXPORT_SYMBOL(reset_scoop); Loading @@ -104,9 +175,9 @@ static void check_scoop_reg(struct scoop_dev *sdev) { unsigned short mcr; mcr = SCOOP_REG(sdev->base, SCOOP_MCR); mcr = ioread16(sdev->base + SCOOP_MCR); if ((mcr & 0x100) == 0) SCOOP_REG(sdev->base, SCOOP_MCR) = 0x0101; iowrite16(0x0101, sdev->base + SCOOP_MCR); } #ifdef CONFIG_PM Loading @@ -115,8 +186,8 @@ static int scoop_suspend(struct platform_device *dev, pm_message_t state) struct scoop_dev *sdev = platform_get_drvdata(dev); check_scoop_reg(sdev); sdev->scoop_gpwr = SCOOP_REG(sdev->base, SCOOP_GPWR); SCOOP_REG(sdev->base, SCOOP_GPWR) = (sdev->scoop_gpwr & ~sdev->suspend_clr) | sdev->suspend_set; sdev->scoop_gpwr = ioread16(sdev->base + SCOOP_GPWR); iowrite16((sdev->scoop_gpwr & ~sdev->suspend_clr) | sdev->suspend_set, sdev->base + SCOOP_GPWR); return 0; } Loading @@ -126,7 +197,7 @@ static int scoop_resume(struct platform_device *dev) struct scoop_dev *sdev = platform_get_drvdata(dev); check_scoop_reg(sdev); SCOOP_REG(sdev->base,SCOOP_GPWR) = sdev->scoop_gpwr; iowrite16(sdev->scoop_gpwr, sdev->base + SCOOP_GPWR); return 0; } Loading @@ -135,11 +206,13 @@ static int scoop_resume(struct platform_device *dev) #define scoop_resume NULL #endif int __init scoop_probe(struct platform_device *pdev) static int __devinit scoop_probe(struct platform_device *pdev) { struct scoop_dev *devptr; struct scoop_config *inf; struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); int ret; int temp; if (!mem) return -EINVAL; Loading @@ -154,40 +227,78 @@ int __init scoop_probe(struct platform_device *pdev) devptr->base = ioremap(mem->start, mem->end - mem->start + 1); if (!devptr->base) { kfree(devptr); return -ENOMEM; ret = -ENOMEM; goto err_ioremap; } platform_set_drvdata(pdev, devptr); printk("Sharp Scoop Device found at 0x%08x -> 0x%08x\n",(unsigned int)mem->start,(unsigned int)devptr->base); printk("Sharp Scoop Device found at 0x%08x -> 0x%8p\n",(unsigned int)mem->start, devptr->base); SCOOP_REG(devptr->base, SCOOP_MCR) = 0x0140; iowrite16(0x0140, devptr->base + SCOOP_MCR); reset_scoop(&pdev->dev); SCOOP_REG(devptr->base, SCOOP_CPR) = 0x0000; SCOOP_REG(devptr->base, SCOOP_GPCR) = inf->io_dir & 0xffff; SCOOP_REG(devptr->base, SCOOP_GPWR) = inf->io_out & 0xffff; iowrite16(0x0000, devptr->base + SCOOP_CPR); iowrite16(inf->io_dir & 0xffff, devptr->base + SCOOP_GPCR); iowrite16(inf->io_out & 0xffff, devptr->base + SCOOP_GPWR); devptr->suspend_clr = inf->suspend_clr; devptr->suspend_set = inf->suspend_set; devptr->gpio.base = -1; if (inf->gpio_base != 0) { devptr->gpio.label = pdev->dev.bus_id; devptr->gpio.base = inf->gpio_base; devptr->gpio.ngpio = 12; /* PA11 = 0, PA12 = 1, etc. up to PA22 = 11 */ devptr->gpio.set = scoop_gpio_set; devptr->gpio.get = scoop_gpio_get; devptr->gpio.direction_input = scoop_gpio_direction_input; devptr->gpio.direction_output = scoop_gpio_direction_output; ret = gpiochip_add(&devptr->gpio); if (ret) goto err_gpio; } return 0; if (devptr->gpio.base != -1) temp = gpiochip_remove(&devptr->gpio); err_gpio: platform_set_drvdata(pdev, NULL); err_ioremap: iounmap(devptr->base); kfree(devptr); return ret; } static int scoop_remove(struct platform_device *pdev) static int __devexit scoop_remove(struct platform_device *pdev) { struct scoop_dev *sdev = platform_get_drvdata(pdev); if (sdev) { int ret; if (!sdev) return -EINVAL; if (sdev->gpio.base != -1) { ret = gpiochip_remove(&sdev->gpio); if (ret) { dev_err(&pdev->dev, "Can't remove gpio chip: %d\n", ret); return ret; } } platform_set_drvdata(pdev, NULL); iounmap(sdev->base); kfree(sdev); platform_set_drvdata(pdev, NULL); } return 0; } static struct platform_driver scoop_driver = { .probe = scoop_probe, .remove = scoop_remove, .remove = __devexit_p(scoop_remove), .suspend = scoop_suspend, .resume = scoop_resume, .driver = { Loading @@ -195,7 +306,7 @@ static struct platform_driver scoop_driver = { }, }; int __init scoop_init(void) static int __init scoop_init(void) { return platform_driver_register(&scoop_driver); } Loading Loading
MAINTAINERS +6 −0 Original line number Diff line number Diff line Loading @@ -480,6 +480,12 @@ M: kernel@wantstofly.org L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) S: Maintained ARM/GUMSTIX MACHINE SUPPORT P: Steve Sakoman M: sakoman@gmail.com L: linux-arm-kernel@lists.arm.linux.org.uk (subscribers-only) S: Maintained ARM/HP JORNADA 7XX MACHINE SUPPORT P: Kristoffer Ericson M: kristoffer.ericson@gmail.com Loading
arch/arm/Kconfig +20 −3 Original line number Diff line number Diff line Loading @@ -255,6 +255,7 @@ config ARCH_EP93XX select ARM_AMBA select ARM_VIC select GENERIC_GPIO select HAVE_GPIO_LIB help This enables support for the Cirrus EP93xx series of CPUs. Loading Loading @@ -377,15 +378,17 @@ config ARCH_MXC help Support for Freescale MXC/iMX-based family of processors config ARCH_ORION config ARCH_ORION5X bool "Marvell Orion" depends on MMU select PCI select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS select PLAT_ORION help Support for Marvell Orion System on Chip family. Support for the following Marvell Orion 5x series SoCs: Orion-1 (5181), Orion-NAS (5182), Orion-2 (5281.) config ARCH_PNX4008 bool "Philips Nexperia PNX4008 Mobile" Loading Loading @@ -422,10 +425,15 @@ config ARCH_SA1100 bool "SA1100-based" select ISA select ARCH_DISCONTIGMEM_ENABLE select ARCH_SPARSEMEM_ENABLE select ARCH_SELECT_MEMORY_MODEL select ARCH_MTD_XIP select GENERIC_GPIO select GENERIC_TIME select GENERIC_CLOCKEVENTS select TICK_ONESHOT select HAVE_IDE select HAVE_GPIO_LIB help Support for StrongARM 11x0 based boards. Loading Loading @@ -516,7 +524,7 @@ source "arch/arm/mach-omap1/Kconfig" source "arch/arm/mach-omap2/Kconfig" source "arch/arm/mach-orion/Kconfig" source "arch/arm/mach-orion5x/Kconfig" source "arch/arm/plat-s3c24xx/Kconfig" source "arch/arm/plat-s3c/Kconfig" Loading Loading @@ -563,6 +571,9 @@ config ARCH_ACORN config PLAT_IOP bool config PLAT_ORION bool source arch/arm/mm/Kconfig config IWMMXT Loading Loading @@ -774,6 +785,12 @@ config ARCH_DISCONTIGMEM_ENABLE or have huge holes in the physical address space for other reasons. See <file:Documentation/vm/numa> for more. config ARCH_SPARSEMEM_ENABLE bool config ARCH_SELECT_MEMORY_MODEL bool config NODES_SHIFT int default "4" if ARCH_LH7A40X Loading
arch/arm/Makefile +2 −2 Original line number Diff line number Diff line Loading @@ -134,12 +134,11 @@ endif machine-$(CONFIG_ARCH_PNX4008) := pnx4008 machine-$(CONFIG_ARCH_NETX) := netx machine-$(CONFIG_ARCH_NS9XXX) := ns9xxx textofs-$(CONFIG_ARCH_NS9XXX) := 0x00108000 machine-$(CONFIG_ARCH_DAVINCI) := davinci machine-$(CONFIG_ARCH_KS8695) := ks8695 incdir-$(CONFIG_ARCH_MXC) := mxc machine-$(CONFIG_ARCH_MX3) := mx3 machine-$(CONFIG_ARCH_ORION) := orion machine-$(CONFIG_ARCH_ORION5X) := orion5x machine-$(CONFIG_ARCH_MSM7X00A) := msm ifeq ($(CONFIG_ARCH_EBSA110),y) Loading Loading @@ -185,6 +184,7 @@ core-$(CONFIG_VFP) += arch/arm/vfp/ # If we have a common platform directory, then include it in the build. core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/ core-$(CONFIG_PLAT_ORION) += arch/arm/plat-orion/ core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ core-$(CONFIG_PLAT_S3C24XX) += arch/arm/plat-s3c24xx/ core-$(CONFIG_ARCH_MXC) += arch/arm/plat-mxc/ Loading
arch/arm/boot/Makefile +7 −1 Original line number Diff line number Diff line Loading @@ -61,9 +61,15 @@ endif quiet_cmd_uimage = UIMAGE $@ cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A arm -O linux -T kernel \ -C none -a $(ZRELADDR) -e $(ZRELADDR) \ -C none -a $(LOADADDR) -e $(LOADADDR) \ -n 'Linux-$(KERNELRELEASE)' -d $< $@ ifeq ($(CONFIG_ZBOOT_ROM),y) $(obj)/uImage: LOADADDR=$(CONFIG_ZBOOT_ROM_TEXT) else $(obj)/uImage: LOADADDR=$(ZRELADDR) endif $(obj)/uImage: $(obj)/zImage FORCE $(call if_changed,uimage) @echo ' Image $@ is ready' Loading
arch/arm/common/scoop.c +147 −36 Original line number Diff line number Diff line Loading @@ -16,6 +16,7 @@ #include <linux/slab.h> #include <linux/platform_device.h> #include <asm/io.h> #include <asm/gpio.h> #include <asm/hardware/scoop.h> /* PCMCIA to Scoop linkage Loading @@ -30,10 +31,9 @@ struct scoop_pcmcia_config *platform_scoop_config; EXPORT_SYMBOL(platform_scoop_config); #define SCOOP_REG(d,adr) (*(volatile unsigned short*)(d +(adr))) struct scoop_dev { void *base; void __iomem *base; struct gpio_chip gpio; spinlock_t scoop_lock; unsigned short suspend_clr; unsigned short suspend_set; Loading @@ -44,13 +44,84 @@ void reset_scoop(struct device *dev) { struct scoop_dev *sdev = dev_get_drvdata(dev); SCOOP_REG(sdev->base,SCOOP_MCR) = 0x0100; // 00 SCOOP_REG(sdev->base,SCOOP_CDR) = 0x0000; // 04 SCOOP_REG(sdev->base,SCOOP_CCR) = 0x0000; // 10 SCOOP_REG(sdev->base,SCOOP_IMR) = 0x0000; // 18 SCOOP_REG(sdev->base,SCOOP_IRM) = 0x00FF; // 14 SCOOP_REG(sdev->base,SCOOP_ISR) = 0x0000; // 1C SCOOP_REG(sdev->base,SCOOP_IRM) = 0x0000; iowrite16(0x0100, sdev->base + SCOOP_MCR); // 00 iowrite16(0x0000, sdev->base + SCOOP_CDR); // 04 iowrite16(0x0000, sdev->base + SCOOP_CCR); // 10 iowrite16(0x0000, sdev->base + SCOOP_IMR); // 18 iowrite16(0x00FF, sdev->base + SCOOP_IRM); // 14 iowrite16(0x0000, sdev->base + SCOOP_ISR); // 1C iowrite16(0x0000, sdev->base + SCOOP_IRM); } static void __scoop_gpio_set(struct scoop_dev *sdev, unsigned offset, int value) { unsigned short gpwr; gpwr = ioread16(sdev->base + SCOOP_GPWR); if (value) gpwr |= 1 << (offset + 1); else gpwr &= ~(1 << (offset + 1)); iowrite16(gpwr, sdev->base + SCOOP_GPWR); } static void scoop_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); unsigned long flags; spin_lock_irqsave(&sdev->scoop_lock, flags); __scoop_gpio_set(sdev, offset, value); spin_unlock_irqrestore(&sdev->scoop_lock, flags); } static int scoop_gpio_get(struct gpio_chip *chip, unsigned offset) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); /* XXX: I'm usure, but it seems so */ return ioread16(sdev->base + SCOOP_GPRR) & (1 << (offset + 1)); } static int scoop_gpio_direction_input(struct gpio_chip *chip, unsigned offset) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); unsigned long flags; unsigned short gpcr; spin_lock_irqsave(&sdev->scoop_lock, flags); gpcr = ioread16(sdev->base + SCOOP_GPCR); gpcr &= ~(1 << (offset + 1)); iowrite16(gpcr, sdev->base + SCOOP_GPCR); spin_unlock_irqrestore(&sdev->scoop_lock, flags); return 0; } static int scoop_gpio_direction_output(struct gpio_chip *chip, unsigned offset, int value) { struct scoop_dev *sdev = container_of(chip, struct scoop_dev, gpio); unsigned long flags; unsigned short gpcr; spin_lock_irqsave(&sdev->scoop_lock, flags); __scoop_gpio_set(sdev, offset, value); gpcr = ioread16(sdev->base + SCOOP_GPCR); gpcr |= 1 << (offset + 1); iowrite16(gpcr, sdev->base + SCOOP_GPCR); spin_unlock_irqrestore(&sdev->scoop_lock, flags); return 0; } unsigned short set_scoop_gpio(struct device *dev, unsigned short bit) Loading @@ -60,8 +131,8 @@ unsigned short set_scoop_gpio(struct device *dev, unsigned short bit) struct scoop_dev *sdev = dev_get_drvdata(dev); spin_lock_irqsave(&sdev->scoop_lock, flag); gpio_bit = SCOOP_REG(sdev->base, SCOOP_GPWR) | bit; SCOOP_REG(sdev->base, SCOOP_GPWR) = gpio_bit; gpio_bit = ioread16(sdev->base + SCOOP_GPWR) | bit; iowrite16(gpio_bit, sdev->base + SCOOP_GPWR); spin_unlock_irqrestore(&sdev->scoop_lock, flag); return gpio_bit; Loading @@ -74,8 +145,8 @@ unsigned short reset_scoop_gpio(struct device *dev, unsigned short bit) struct scoop_dev *sdev = dev_get_drvdata(dev); spin_lock_irqsave(&sdev->scoop_lock, flag); gpio_bit = SCOOP_REG(sdev->base, SCOOP_GPWR) & ~bit; SCOOP_REG(sdev->base,SCOOP_GPWR) = gpio_bit; gpio_bit = ioread16(sdev->base + SCOOP_GPWR) & ~bit; iowrite16(gpio_bit, sdev->base + SCOOP_GPWR); spin_unlock_irqrestore(&sdev->scoop_lock, flag); return gpio_bit; Loading @@ -87,13 +158,13 @@ EXPORT_SYMBOL(reset_scoop_gpio); unsigned short read_scoop_reg(struct device *dev, unsigned short reg) { struct scoop_dev *sdev = dev_get_drvdata(dev); return SCOOP_REG(sdev->base,reg); return ioread16(sdev->base + reg); } void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data) { struct scoop_dev *sdev = dev_get_drvdata(dev); SCOOP_REG(sdev->base,reg)=data; iowrite16(data, sdev->base + reg); } EXPORT_SYMBOL(reset_scoop); Loading @@ -104,9 +175,9 @@ static void check_scoop_reg(struct scoop_dev *sdev) { unsigned short mcr; mcr = SCOOP_REG(sdev->base, SCOOP_MCR); mcr = ioread16(sdev->base + SCOOP_MCR); if ((mcr & 0x100) == 0) SCOOP_REG(sdev->base, SCOOP_MCR) = 0x0101; iowrite16(0x0101, sdev->base + SCOOP_MCR); } #ifdef CONFIG_PM Loading @@ -115,8 +186,8 @@ static int scoop_suspend(struct platform_device *dev, pm_message_t state) struct scoop_dev *sdev = platform_get_drvdata(dev); check_scoop_reg(sdev); sdev->scoop_gpwr = SCOOP_REG(sdev->base, SCOOP_GPWR); SCOOP_REG(sdev->base, SCOOP_GPWR) = (sdev->scoop_gpwr & ~sdev->suspend_clr) | sdev->suspend_set; sdev->scoop_gpwr = ioread16(sdev->base + SCOOP_GPWR); iowrite16((sdev->scoop_gpwr & ~sdev->suspend_clr) | sdev->suspend_set, sdev->base + SCOOP_GPWR); return 0; } Loading @@ -126,7 +197,7 @@ static int scoop_resume(struct platform_device *dev) struct scoop_dev *sdev = platform_get_drvdata(dev); check_scoop_reg(sdev); SCOOP_REG(sdev->base,SCOOP_GPWR) = sdev->scoop_gpwr; iowrite16(sdev->scoop_gpwr, sdev->base + SCOOP_GPWR); return 0; } Loading @@ -135,11 +206,13 @@ static int scoop_resume(struct platform_device *dev) #define scoop_resume NULL #endif int __init scoop_probe(struct platform_device *pdev) static int __devinit scoop_probe(struct platform_device *pdev) { struct scoop_dev *devptr; struct scoop_config *inf; struct resource *mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); int ret; int temp; if (!mem) return -EINVAL; Loading @@ -154,40 +227,78 @@ int __init scoop_probe(struct platform_device *pdev) devptr->base = ioremap(mem->start, mem->end - mem->start + 1); if (!devptr->base) { kfree(devptr); return -ENOMEM; ret = -ENOMEM; goto err_ioremap; } platform_set_drvdata(pdev, devptr); printk("Sharp Scoop Device found at 0x%08x -> 0x%08x\n",(unsigned int)mem->start,(unsigned int)devptr->base); printk("Sharp Scoop Device found at 0x%08x -> 0x%8p\n",(unsigned int)mem->start, devptr->base); SCOOP_REG(devptr->base, SCOOP_MCR) = 0x0140; iowrite16(0x0140, devptr->base + SCOOP_MCR); reset_scoop(&pdev->dev); SCOOP_REG(devptr->base, SCOOP_CPR) = 0x0000; SCOOP_REG(devptr->base, SCOOP_GPCR) = inf->io_dir & 0xffff; SCOOP_REG(devptr->base, SCOOP_GPWR) = inf->io_out & 0xffff; iowrite16(0x0000, devptr->base + SCOOP_CPR); iowrite16(inf->io_dir & 0xffff, devptr->base + SCOOP_GPCR); iowrite16(inf->io_out & 0xffff, devptr->base + SCOOP_GPWR); devptr->suspend_clr = inf->suspend_clr; devptr->suspend_set = inf->suspend_set; devptr->gpio.base = -1; if (inf->gpio_base != 0) { devptr->gpio.label = pdev->dev.bus_id; devptr->gpio.base = inf->gpio_base; devptr->gpio.ngpio = 12; /* PA11 = 0, PA12 = 1, etc. up to PA22 = 11 */ devptr->gpio.set = scoop_gpio_set; devptr->gpio.get = scoop_gpio_get; devptr->gpio.direction_input = scoop_gpio_direction_input; devptr->gpio.direction_output = scoop_gpio_direction_output; ret = gpiochip_add(&devptr->gpio); if (ret) goto err_gpio; } return 0; if (devptr->gpio.base != -1) temp = gpiochip_remove(&devptr->gpio); err_gpio: platform_set_drvdata(pdev, NULL); err_ioremap: iounmap(devptr->base); kfree(devptr); return ret; } static int scoop_remove(struct platform_device *pdev) static int __devexit scoop_remove(struct platform_device *pdev) { struct scoop_dev *sdev = platform_get_drvdata(pdev); if (sdev) { int ret; if (!sdev) return -EINVAL; if (sdev->gpio.base != -1) { ret = gpiochip_remove(&sdev->gpio); if (ret) { dev_err(&pdev->dev, "Can't remove gpio chip: %d\n", ret); return ret; } } platform_set_drvdata(pdev, NULL); iounmap(sdev->base); kfree(sdev); platform_set_drvdata(pdev, NULL); } return 0; } static struct platform_driver scoop_driver = { .probe = scoop_probe, .remove = scoop_remove, .remove = __devexit_p(scoop_remove), .suspend = scoop_suspend, .resume = scoop_resume, .driver = { Loading @@ -195,7 +306,7 @@ static struct platform_driver scoop_driver = { }, }; int __init scoop_init(void) static int __init scoop_init(void) { return platform_driver_register(&scoop_driver); } Loading