diff options
Diffstat (limited to 'arch/arm/common/locomo.c')
| -rw-r--r-- | arch/arm/common/locomo.c | 61 |
1 files changed, 40 insertions, 21 deletions
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c index 4e0dcaef6eb2..181ef1ead5b8 100644 --- a/arch/arm/common/locomo.c +++ b/arch/arm/common/locomo.c @@ -121,6 +121,13 @@ static struct locomo_dev_info locomo_devices[] = { .offset = 0, .length = 0, }, + { + .devid = LOCOMO_DEVID_SPI, + .irq = {}, + .name = "locomo-spi", + .offset = LOCOMO_SPI, + .length = 0x30, + }, }; @@ -374,7 +381,7 @@ static void locomo_spi_handler(unsigned int irq, struct irqdesc *desc, struct irqdesc *d; void __iomem *mapbase = get_irq_chipdata(irq); - req = locomo_readl(mapbase + LOCOMO_SPIIR) & 0x000F; + req = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIR) & 0x000F; if (req) { irq = LOCOMO_IRQ_SPI_START; d = irq_desc + irq; @@ -391,35 +398,35 @@ static void locomo_spi_ack_irq(unsigned int irq) { void __iomem *mapbase = get_irq_chipdata(irq); unsigned int r; - r = locomo_readl(mapbase + LOCOMO_SPIWE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIWE); r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIWE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIWE); - r = locomo_readl(mapbase + LOCOMO_SPIIS); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIS); r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIIS); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIS); - r = locomo_readl(mapbase + LOCOMO_SPIWE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIWE); r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIWE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIWE); } static void locomo_spi_mask_irq(unsigned int irq) { void __iomem *mapbase = get_irq_chipdata(irq); unsigned int r; - r = locomo_readl(mapbase + LOCOMO_SPIIE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIE); r &= ~(0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIIE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIE); } static void locomo_spi_unmask_irq(unsigned int irq) { void __iomem *mapbase = get_irq_chipdata(irq); unsigned int r; - r = locomo_readl(mapbase + LOCOMO_SPIIE); + r = locomo_readl(mapbase + LOCOMO_SPI + LOCOMO_SPIIE); r |= (0x0001 << (irq - LOCOMO_IRQ_SPI_START)); - locomo_writel(r, mapbase + LOCOMO_SPIIE); + locomo_writel(r, mapbase + LOCOMO_SPI + LOCOMO_SPIIE); } static struct irq_chip locomo_spi_chip = { @@ -814,12 +821,15 @@ static inline struct locomo *locomo_chip_driver(struct locomo_dev *ldev) return (struct locomo *)dev_get_drvdata(ldev->dev.parent); } -void locomo_gpio_set_dir(struct locomo_dev *ldev, unsigned int bits, unsigned int dir) +void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir) { - struct locomo *lchip = locomo_chip_driver(ldev); + struct locomo *lchip = dev_get_drvdata(dev); unsigned long flags; unsigned int r; + if (!lchip) + return; + spin_lock_irqsave(&lchip->lock, flags); r = locomo_readl(lchip->base + LOCOMO_GPD); @@ -836,12 +846,15 @@ void locomo_gpio_set_dir(struct locomo_dev *ldev, unsigned int bits, unsigned in spin_unlock_irqrestore(&lchip->lock, flags); } -unsigned int locomo_gpio_read_level(struct locomo_dev *ldev, unsigned int bits) +int locomo_gpio_read_level(struct device *dev, unsigned int bits) { - struct locomo *lchip = locomo_chip_driver(ldev); + struct locomo *lchip = dev_get_drvdata(dev); unsigned long flags; unsigned int ret; + if (!lchip) + return -ENODEV; + spin_lock_irqsave(&lchip->lock, flags); ret = locomo_readl(lchip->base + LOCOMO_GPL); spin_unlock_irqrestore(&lchip->lock, flags); @@ -850,12 +863,15 @@ unsigned int locomo_gpio_read_level(struct locomo_dev *ldev, unsigned int bits) return ret; } -unsigned int locomo_gpio_read_output(struct locomo_dev *ldev, unsigned int bits) +int locomo_gpio_read_output(struct device *dev, unsigned int bits) { - struct locomo *lchip = locomo_chip_driver(ldev); + struct locomo *lchip = dev_get_drvdata(dev); unsigned long flags; unsigned int ret; + if (!lchip) + return -ENODEV; + spin_lock_irqsave(&lchip->lock, flags); ret = locomo_readl(lchip->base + LOCOMO_GPO); spin_unlock_irqrestore(&lchip->lock, flags); @@ -864,12 +880,15 @@ unsigned int locomo_gpio_read_output(struct locomo_dev *ldev, unsigned int bits) return ret; } -void locomo_gpio_write(struct locomo_dev *ldev, unsigned int bits, unsigned int set) +void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set) { - struct locomo *lchip = locomo_chip_driver(ldev); + struct locomo *lchip = dev_get_drvdata(dev); unsigned long flags; unsigned int r; + if (!lchip) + return; + spin_lock_irqsave(&lchip->lock, flags); r = locomo_readl(lchip->base + LOCOMO_GPO); @@ -1058,9 +1077,9 @@ void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf) struct locomo *lchip = locomo_chip_driver(dev); if (vr) - locomo_gpio_write(dev, LOCOMO_GPIO_FL_VR, 1); + locomo_gpio_write(dev->dev.parent, LOCOMO_GPIO_FL_VR, 1); else - locomo_gpio_write(dev, LOCOMO_GPIO_FL_VR, 0); + locomo_gpio_write(dev->dev.parent, LOCOMO_GPIO_FL_VR, 0); spin_lock_irqsave(&lchip->lock, flags); locomo_writel(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS); 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