[PATCH] locomo: replace locomo_{readl/writel} macros with __raw_{readw/writew}
H Hartley Sweeten
hartleys at visionengravers.com
Tue Mar 9 20:21:35 EST 2010
On Tuesday, March 09, 2010 6:26 AM, Eric Miao wrote:
> On Tue, Mar 9, 2010 at 8:18 AM, H Hartley Sweeten
><hartleys at visionengravers.com> wrote:
>> The locomo_readl and locomo_writel macros are misnamed. Both
>> use (*(volatile u16 *)(addr)) so they should be a *w variety.
>>
>> Instead of renaming the macros just replace them tree wide with
>> __raw_readw and __raw_writew.
>>
>> Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
>> Cc: Russell King <linux at arm.linux.org.uk>
>> Cc: Eric Miao <eric.y.miao at gmail.com>
>>
>
> Hey Hartley,
>
> Could you please rebase this on top of my 'devel' branch? And note
> locomo_{read,write}l() may also be used in sub-device drivers like
> keyboard, LEDs and etc.
Eric,
I "think" I found your devel branch on kernel.org. Following is the
rebase.
I also noticed a bug in locomo_suspend. The address is wrong when writing
to the SPI control register. LOCOMO_SPICT is defined as an offset from
LOCOMO_SPI, it's not an offset from the locomo base address. I fixed it
in this patch but it might be better as a separate patch.
Regards,
Hartley
From: H Hartley Sweeten <hsweeten at visionengravers.com>
locomo: replace locomo_{readl/writel} macros with __raw_{readw/writew}
The locomo_readl and locomo_writel macros are misnamed. Both
use (*(volatile u16 *)(addr)) so they should be a *w variety.
Instead of renaming the macros just replace them tree wide with
__raw_readw and __raw_writew and make sure <linux/io.h> is included
by all the users.
Also, fix a bug in locomo_suspend. The address used to write to
the SPI control register is calculated incorrectly.
Signed-off-by: H Hartley Sweeten <hsweeten at visionengravers.com>
Cc: Russell King <linux at arm.linux.org.uk>
Cc: Eric Miao <eric.y.miao at gmail.com>
---
$ git diff --stat
arch/arm/common/locomo.c | 229 ++++++++++++++++----------------
arch/arm/include/asm/hardware/locomo.h | 3 -
drivers/input/keyboard/locomokbd.c | 27 ++--
drivers/leds/leds-locomo.c | 5 +-
drivers/video/backlight/locomolcd.c | 11 +-
5 files changed, 138 insertions(+), 137 deletions(-)
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 90ae00b..78a7d0f 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -147,7 +147,7 @@ static void locomo_handler(unsigned int irq, struct irq_desc *desc)
desc->chip->ack(irq);
/* check why this interrupt was generated */
- req = locomo_readl(lchip->base + LOCOMO_ICR) & 0x0f00;
+ req = __raw_readw(lchip->base + LOCOMO_ICR) & 0x0f00;
if (req) {
/* generate the next interrupt(s) */
@@ -169,18 +169,18 @@ static void locomo_mask_irq(unsigned int irq)
{
struct locomo *lchip = get_irq_chip_data(irq);
unsigned int r;
- r = locomo_readl(lchip->base + LOCOMO_ICR);
+ r = __raw_readw(lchip->base + LOCOMO_ICR);
r &= ~(0x0010 << (irq - lchip->irq_base));
- locomo_writel(r, lchip->base + LOCOMO_ICR);
+ __raw_writew(r, lchip->base + LOCOMO_ICR);
}
static void locomo_unmask_irq(unsigned int irq)
{
struct locomo *lchip = get_irq_chip_data(irq);
unsigned int r;
- r = locomo_readl(lchip->base + LOCOMO_ICR);
+ r = __raw_readw(lchip->base + LOCOMO_ICR);
r |= (0x0010 << (irq - lchip->irq_base));
- locomo_writel(r, lchip->base + LOCOMO_ICR);
+ __raw_writew(r, lchip->base + LOCOMO_ICR);
}
static struct irq_chip locomo_chip = {
@@ -287,30 +287,31 @@ static int locomo_suspend(struct platform_device *dev, pm_message_t state)
spin_lock_irqsave(&lchip->lock, flags);
- save->LCM_GPO = locomo_readl(lchip->base + LOCOMO_GPO); /* GPIO */
- locomo_writel(0x00, lchip->base + LOCOMO_GPO);
- save->LCM_SPICT = locomo_readl(lchip->base + LOCOMO_SPI + LOCOMO_SPICT); /* SPI */
- locomo_writel(0x40, lchip->base + LOCOMO_SPICT);
- save->LCM_GPE = locomo_readl(lchip->base + LOCOMO_GPE); /* GPIO */
- locomo_writel(0x00, lchip->base + LOCOMO_GPE);
- save->LCM_ASD = locomo_readl(lchip->base + LOCOMO_ASD); /* ADSTART */
- locomo_writel(0x00, lchip->base + LOCOMO_ASD);
- save->LCM_SPIMD = locomo_readl(lchip->base + LOCOMO_SPI + LOCOMO_SPIMD); /* SPI */
- locomo_writel(0x3C14, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
-
- locomo_writel(0x00, lchip->base + LOCOMO_PAIF);
- locomo_writel(0x00, lchip->base + LOCOMO_DAC);
- locomo_writel(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC);
-
- if ((locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) && (locomo_readl(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88))
- locomo_writel(0x00, lchip->base + LOCOMO_C32K); /* CLK32 off */
+ save->LCM_GPO = __raw_readw(lchip->base + LOCOMO_GPO); /* GPIO */
+ __raw_writew(0x00, lchip->base + LOCOMO_GPO);
+ save->LCM_SPICT = __raw_readw(lchip->base + LOCOMO_SPI + LOCOMO_SPICT); /* SPI */
+ __raw_writew(0x40, lchip->base + LOCOMO_SPI + LOCOMO_SPICT);
+ save->LCM_GPE = __raw_readw(lchip->base + LOCOMO_GPE); /* GPIO */
+ __raw_writew(0x00, lchip->base + LOCOMO_GPE);
+ save->LCM_ASD = __raw_readw(lchip->base + LOCOMO_ASD); /* ADSTART */
+ __raw_writew(0x00, lchip->base + LOCOMO_ASD);
+ save->LCM_SPIMD = __raw_readw(lchip->base + LOCOMO_SPI + LOCOMO_SPIMD); /* SPI */
+ __raw_writew(0x3C14, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
+
+ __raw_writew(0x00, lchip->base + LOCOMO_PAIF);
+ __raw_writew(0x00, lchip->base + LOCOMO_DAC);
+ __raw_writew(0x00, lchip->base + LOCOMO_BACKLIGHT + LOCOMO_TC);
+
+ if ((__raw_readw(lchip->base + LOCOMO_LED + LOCOMO_LPT0) & 0x88) &&
+ (__raw_readw(lchip->base + LOCOMO_LED + LOCOMO_LPT1) & 0x88))
+ __raw_writew(0x00, lchip->base + LOCOMO_C32K); /* CLK32 off */
else
/* 18MHz already enabled, so no wait */
- locomo_writel(0xc1, lchip->base + LOCOMO_C32K); /* CLK32 on */
+ __raw_writew(0xc1, lchip->base + LOCOMO_C32K); /* CLK32 on */
- locomo_writel(0x00, lchip->base + LOCOMO_TADC); /* 18MHz clock off*/
- locomo_writel(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC); /* 22MHz/24MHz clock off */
- locomo_writel(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS); /* FL */
+ __raw_writew(0x00, lchip->base + LOCOMO_TADC); /* 18MHz clock off */
+ __raw_writew(0x00, lchip->base + LOCOMO_AUDIO + LOCOMO_ACC); /* 22MHz/24MHz clock off */
+ __raw_writew(0x00, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS); /* FL */
spin_unlock_irqrestore(&lchip->lock, flags);
@@ -330,20 +331,20 @@ static int locomo_resume(struct platform_device *dev)
spin_lock_irqsave(&lchip->lock, flags);
- locomo_writel(save->LCM_GPO, lchip->base + LOCOMO_GPO);
- locomo_writel(save->LCM_SPICT, lchip->base + LOCOMO_SPI + LOCOMO_SPICT);
- locomo_writel(save->LCM_GPE, lchip->base + LOCOMO_GPE);
- locomo_writel(save->LCM_ASD, lchip->base + LOCOMO_ASD);
- locomo_writel(save->LCM_SPIMD, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
+ __raw_writew(save->LCM_GPO, lchip->base + LOCOMO_GPO);
+ __raw_writew(save->LCM_SPICT, lchip->base + LOCOMO_SPI + LOCOMO_SPICT);
+ __raw_writew(save->LCM_GPE, lchip->base + LOCOMO_GPE);
+ __raw_writew(save->LCM_ASD, lchip->base + LOCOMO_ASD);
+ __raw_writew(save->LCM_SPIMD, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
- locomo_writel(0x00, lchip->base + LOCOMO_C32K);
- locomo_writel(0x90, lchip->base + LOCOMO_TADC);
+ __raw_writew(0x00, lchip->base + LOCOMO_C32K);
+ __raw_writew(0x90, lchip->base + LOCOMO_TADC);
- locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC);
- r = locomo_readl(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+ __raw_writew(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KSC);
+ r = __raw_readw(lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
r &= 0xFEFF;
- locomo_writel(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
- locomo_writel(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD);
+ __raw_writew(r, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+ __raw_writew(0x1, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KCMD);
spin_unlock_irqrestore(&lchip->lock, flags);
@@ -399,54 +400,54 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
}
/* locomo initialize */
- locomo_writel(0, lchip->base + LOCOMO_ICR);
+ __raw_writew(0, lchip->base + LOCOMO_ICR);
/* KEYBOARD */
- locomo_writel(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
+ __raw_writew(0, lchip->base + LOCOMO_KEYBOARD + LOCOMO_KIC);
/* GPIO */
- locomo_writel(0, lchip->base + LOCOMO_GPO);
- locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
+ __raw_writew(0, lchip->base + LOCOMO_GPO);
+ __raw_writew((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
, lchip->base + LOCOMO_GPE);
- locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
+ __raw_writew((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
, lchip->base + LOCOMO_GPD);
- locomo_writel(0, lchip->base + LOCOMO_GIE);
+ __raw_writew(0, lchip->base + LOCOMO_GIE);
/* Frontlight */
- locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
- locomo_writel(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+ __raw_writew(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+ __raw_writew(0, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
/* Longtime timer */
- locomo_writel(0, lchip->base + LOCOMO_LTINT);
+ __raw_writew(0, lchip->base + LOCOMO_LTINT);
/* SPI */
- locomo_writel(0, lchip->base + LOCOMO_SPIIE);
+ __raw_writew(0, lchip->base + LOCOMO_SPIIE);
- locomo_writel(6 + 8 + 320 + 30 - 10, lchip->base + LOCOMO_ASD);
- r = locomo_readl(lchip->base + LOCOMO_ASD);
+ __raw_writew(6 + 8 + 320 + 30 - 10, lchip->base + LOCOMO_ASD);
+ r = __raw_readw(lchip->base + LOCOMO_ASD);
r |= 0x8000;
- locomo_writel(r, lchip->base + LOCOMO_ASD);
+ __raw_writew(r, lchip->base + LOCOMO_ASD);
- locomo_writel(6 + 8 + 320 + 30 - 10 - 128 + 4, lchip->base + LOCOMO_HSD);
- r = locomo_readl(lchip->base + LOCOMO_HSD);
+ __raw_writew(6 + 8 + 320 + 30 - 10 - 128 + 4, lchip->base + LOCOMO_HSD);
+ r = __raw_readw(lchip->base + LOCOMO_HSD);
r |= 0x8000;
- locomo_writel(r, lchip->base + LOCOMO_HSD);
+ __raw_writew(r, lchip->base + LOCOMO_HSD);
- locomo_writel(128 / 8, lchip->base + LOCOMO_HSC);
+ __raw_writew(128 / 8, lchip->base + LOCOMO_HSC);
/* XON */
- locomo_writel(0x80, lchip->base + LOCOMO_TADC);
+ __raw_writew(0x80, lchip->base + LOCOMO_TADC);
udelay(1000);
/* CLK9MEN */
- r = locomo_readl(lchip->base + LOCOMO_TADC);
+ r = __raw_readw(lchip->base + LOCOMO_TADC);
r |= 0x10;
- locomo_writel(r, lchip->base + LOCOMO_TADC);
+ __raw_writew(r, lchip->base + LOCOMO_TADC);
udelay(100);
/* init DAC */
- r = locomo_readl(lchip->base + LOCOMO_DAC);
+ r = __raw_readw(lchip->base + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB;
- locomo_writel(r, lchip->base + LOCOMO_DAC);
+ __raw_writew(r, lchip->base + LOCOMO_DAC);
- r = locomo_readl(lchip->base + LOCOMO_VER);
+ r = __raw_readw(lchip->base + LOCOMO_VER);
printk(KERN_INFO "LoCoMo Chip: %lu%lu\n", (r >> 8), (r & 0xff));
/*
@@ -549,19 +550,19 @@ void locomo_gpio_set_dir(struct device *dev, unsigned int bits, unsigned int dir
spin_lock_irqsave(&lchip->lock, flags);
- r = locomo_readl(lchip->base + LOCOMO_GPD);
+ r = __raw_readw(lchip->base + LOCOMO_GPD);
if (dir)
r |= bits;
else
r &= ~bits;
- locomo_writel(r, lchip->base + LOCOMO_GPD);
+ __raw_writew(r, lchip->base + LOCOMO_GPD);
- r = locomo_readl(lchip->base + LOCOMO_GPE);
+ r = __raw_readw(lchip->base + LOCOMO_GPE);
if (dir)
r |= bits;
else
r &= ~bits;
- locomo_writel(r, lchip->base + LOCOMO_GPE);
+ __raw_writew(r, lchip->base + LOCOMO_GPE);
spin_unlock_irqrestore(&lchip->lock, flags);
}
@@ -577,7 +578,7 @@ int locomo_gpio_read_level(struct device *dev, unsigned int bits)
return -ENODEV;
spin_lock_irqsave(&lchip->lock, flags);
- ret = locomo_readl(lchip->base + LOCOMO_GPL);
+ ret = __raw_readw(lchip->base + LOCOMO_GPL);
spin_unlock_irqrestore(&lchip->lock, flags);
ret &= bits;
@@ -595,7 +596,7 @@ int locomo_gpio_read_output(struct device *dev, unsigned int bits)
return -ENODEV;
spin_lock_irqsave(&lchip->lock, flags);
- ret = locomo_readl(lchip->base + LOCOMO_GPO);
+ ret = __raw_readw(lchip->base + LOCOMO_GPO);
spin_unlock_irqrestore(&lchip->lock, flags);
ret &= bits;
@@ -614,12 +615,12 @@ void locomo_gpio_write(struct device *dev, unsigned int bits, unsigned int set)
spin_lock_irqsave(&lchip->lock, flags);
- r = locomo_readl(lchip->base + LOCOMO_GPO);
+ r = __raw_readw(lchip->base + LOCOMO_GPO);
if (set)
r |= bits;
else
r &= ~bits;
- locomo_writel(r, lchip->base + LOCOMO_GPO);
+ __raw_writew(r, lchip->base + LOCOMO_GPO);
spin_unlock_irqrestore(&lchip->lock, flags);
}
@@ -629,33 +630,33 @@ static void locomo_m62332_sendbit(void *mapbase, int bit)
{
unsigned int r;
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SCLOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
udelay(DAC_DATA_HOLD_TIME); /* 300 nsec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SCLOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
udelay(DAC_SCL_LOW_HOLD_TIME); /* 4.7 usec */
if (bit & 1) {
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SDAOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
} else {
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SDAOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
}
udelay(DAC_DATA_SETUP_TIME); /* 250 nsec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.0 usec */
}
@@ -673,14 +674,14 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
/* Start */
udelay(DAC_BUS_FREE_TIME); /* 5.0 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.0 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SDAOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_START_HOLD_TIME); /* 5.0 usec */
udelay(DAC_DATA_HOLD_TIME); /* 300 nsec */
@@ -691,21 +692,21 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
}
/* Check A bit */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SCLOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
udelay(DAC_SCL_LOW_HOLD_TIME); /* 4.7 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SDAOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.7 usec */
- if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) { /* High is error */
+ if (__raw_readw(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) { /* High is error */
printk(KERN_WARNING "locomo: m62332_senddata Error 1\n");
return;
}
@@ -719,21 +720,21 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
}
/* Check A bit */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SCLOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
udelay(DAC_SCL_LOW_HOLD_TIME); /* 4.7 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SDAOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.7 usec */
- if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) { /* High is error */
+ if (__raw_readw(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) { /* High is error */
printk(KERN_WARNING "locomo: m62332_senddata Error 2\n");
return;
}
@@ -744,45 +745,45 @@ void locomo_m62332_senddata(struct locomo_dev *ldev, unsigned int dac_data, int
}
/* Check A bit */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SCLOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
udelay(DAC_SCL_LOW_HOLD_TIME); /* 4.7 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SDAOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4.7 usec */
- if (locomo_readl(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) { /* High is error */
+ if (__raw_readw(mapbase + LOCOMO_DAC) & LOCOMO_DAC_SDAOEB) { /* High is error */
printk(KERN_WARNING "locomo: m62332_senddata Error 3\n");
return;
}
/* stop */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r &= ~(LOCOMO_DAC_SCLOEB);
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 300 nsec */
udelay(DAC_SCL_LOW_HOLD_TIME); /* 4.7 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SDAOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_HIGH_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_HIGH_HOLD_TIME); /* 4 usec */
- r = locomo_readl(mapbase + LOCOMO_DAC);
+ r = __raw_readw(mapbase + LOCOMO_DAC);
r |= LOCOMO_DAC_SCLOEB | LOCOMO_DAC_SDAOEB;
- locomo_writel(r, mapbase + LOCOMO_DAC);
+ __raw_writew(r, mapbase + LOCOMO_DAC);
udelay(DAC_LOW_SETUP_TIME); /* 1000 nsec */
udelay(DAC_SCL_LOW_HOLD_TIME); /* 4.7 usec */
@@ -805,10 +806,10 @@ void locomo_frontlight_set(struct locomo_dev *dev, int duty, int vr, int bpwf)
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);
+ __raw_writew(bpwf, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
udelay(100);
- locomo_writel(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
- locomo_writel(bpwf | LOCOMO_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
+ __raw_writew(duty, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALD);
+ __raw_writew(bpwf | LOCOMO_ALC_EN, lchip->base + LOCOMO_FRONTLIGHT + LOCOMO_ALS);
spin_unlock_irqrestore(&lchip->lock, flags);
}
EXPORT_SYMBOL(locomo_frontlight_set);
diff --git a/arch/arm/include/asm/hardware/locomo.h b/arch/arm/include/asm/hardware/locomo.h
index 74e51d6..dc90c21 100644
--- a/arch/arm/include/asm/hardware/locomo.h
+++ b/arch/arm/include/asm/hardware/locomo.h
@@ -13,9 +13,6 @@
#ifndef _ASM_ARCH_LOCOMO
#define _ASM_ARCH_LOCOMO
-#define locomo_writel(val,addr) ({ *(volatile u16 *)(addr) = (val); })
-#define locomo_readl(addr) (*(volatile u16 *)(addr))
-
/* LOCOMO version */
#define LOCOMO_VER 0x00
diff --git a/drivers/input/keyboard/locomokbd.c b/drivers/input/keyboard/locomokbd.c
index b1ab298..9404904 100644
--- a/drivers/input/keyboard/locomokbd.c
+++ b/drivers/input/keyboard/locomokbd.c
@@ -31,6 +31,7 @@
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
+#include <linux/io.h>
#include <asm/hardware/locomo.h>
#include <asm/irq.h>
@@ -86,17 +87,17 @@ struct locomokbd {
/* helper functions for reading the keyboard matrix */
static inline void locomokbd_charge_all(unsigned long membase)
{
- locomo_writel(0x00FF, membase + LOCOMO_KSC);
+ __raw_writew(0x00FF, membase + LOCOMO_KSC);
}
static inline void locomokbd_activate_all(unsigned long membase)
{
unsigned long r;
- locomo_writel(0, membase + LOCOMO_KSC);
- r = locomo_readl(membase + LOCOMO_KIC);
+ __raw_writew(0, membase + LOCOMO_KSC);
+ r = __raw_readw(membase + LOCOMO_KIC);
r &= 0xFEFF;
- locomo_writel(r, membase + LOCOMO_KIC);
+ __raw_writew(r, membase + LOCOMO_KIC);
}
static inline void locomokbd_activate_col(unsigned long membase, int col)
@@ -106,7 +107,7 @@ static inline void locomokbd_activate_col(unsigned long membase, int col)
nset = 0xFF & ~(1 << col);
nbset = (nset << 8) + nset;
- locomo_writel(nbset, membase + LOCOMO_KSC);
+ __raw_writew(nbset, membase + LOCOMO_KSC);
}
static inline void locomokbd_reset_col(unsigned long membase, int col)
@@ -114,7 +115,7 @@ static inline void locomokbd_reset_col(unsigned long membase, int col)
unsigned short nbset;
nbset = ((0xFF & ~(1 << col)) << 8) + 0xFF;
- locomo_writel(nbset, membase + LOCOMO_KSC);
+ __raw_writew(nbset, membase + LOCOMO_KSC);
}
/*
@@ -141,7 +142,7 @@ static void locomokbd_scankeyboard(struct locomokbd *locomokbd)
locomokbd_activate_col(membase, col);
udelay(KB_DELAY);
- rowd = ~locomo_readl(membase + LOCOMO_KIB);
+ rowd = ~__raw_readw(membase + LOCOMO_KIB);
for (row = 0; row < KB_ROWS; row++) {
unsigned int scancode, pressed, key;
@@ -194,11 +195,11 @@ static irqreturn_t locomokbd_interrupt(int irq, void *dev_id)
struct locomokbd *locomokbd = dev_id;
u16 r;
- r = locomo_readl(locomokbd->base + LOCOMO_KIC);
+ r = __raw_readw(locomokbd->base + LOCOMO_KIC);
if ((r & 0x0001) == 0)
return IRQ_HANDLED;
- locomo_writel(r & ~0x0100, locomokbd->base + LOCOMO_KIC); /* Ack */
+ __raw_writew(r & ~0x0100, locomokbd->base + LOCOMO_KIC); /* Ack */
/** wait chattering delay **/
udelay(100);
@@ -222,8 +223,8 @@ static int locomokbd_open(struct input_dev *dev)
struct locomokbd *locomokbd = input_get_drvdata(dev);
u16 r;
- r = locomo_readl(locomokbd->base + LOCOMO_KIC) | 0x0010;
- locomo_writel(r, locomokbd->base + LOCOMO_KIC);
+ r = __raw_readw(locomokbd->base + LOCOMO_KIC) | 0x0010;
+ __raw_writew(r, locomokbd->base + LOCOMO_KIC);
return 0;
}
@@ -232,8 +233,8 @@ static void locomokbd_close(struct input_dev *dev)
struct locomokbd *locomokbd = input_get_drvdata(dev);
u16 r;
- r = locomo_readl(locomokbd->base + LOCOMO_KIC) & ~0x0010;
- locomo_writel(r, locomokbd->base + LOCOMO_KIC);
+ r = __raw_readw(locomokbd->base + LOCOMO_KIC) & ~0x0010;
+ __raw_writew(r, locomokbd->base + LOCOMO_KIC);
}
static int __devinit locomokbd_probe(struct locomo_dev *dev)
diff --git a/drivers/leds/leds-locomo.c b/drivers/leds/leds-locomo.c
index 1f7c10f..bb78931 100644
--- a/drivers/leds/leds-locomo.c
+++ b/drivers/leds/leds-locomo.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/device.h>
#include <linux/leds.h>
+#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/hardware/locomo.h>
@@ -24,9 +25,9 @@ static void locomoled_brightness_set(struct led_classdev *led_cdev,
local_irq_save(flags);
if (value)
- locomo_writel(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);
+ __raw_writew(LOCOMO_LPT_TOFH, locomo_dev->mapbase + offset);
else
- locomo_writel(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);
+ __raw_writew(LOCOMO_LPT_TOFL, locomo_dev->mapbase + offset);
local_irq_restore(flags);
}
diff --git a/drivers/video/backlight/locomolcd.c b/drivers/video/backlight/locomolcd.c
index 00a9591..df70d84 100644
--- a/drivers/video/backlight/locomolcd.c
+++ b/drivers/video/backlight/locomolcd.c
@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/fb.h>
#include <linux/backlight.h>
+#include <linux/io.h>
#include <asm/hardware/locomo.h>
#include <asm/irq.h>
@@ -49,13 +50,13 @@ static void locomolcd_on(int comadj)
mdelay(10);
/* TFTCRST | CPSOUT=0 | CPSEN */
- locomo_writel(0x01, locomolcd_dev->mapbase + LOCOMO_TC);
+ __raw_writew(0x01, locomolcd_dev->mapbase + LOCOMO_TC);
/* Set CPSD */
- locomo_writel(6, locomolcd_dev->mapbase + LOCOMO_CPSD);
+ __raw_writew(6, locomolcd_dev->mapbase + LOCOMO_CPSD);
/* TFTCRST | CPSOUT=0 | CPSEN */
- locomo_writel((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC);
+ __raw_writew((0x04 | 0x01), locomolcd_dev->mapbase + LOCOMO_TC);
mdelay(10);
locomo_gpio_set_dir(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0);
@@ -65,7 +66,7 @@ static void locomolcd_on(int comadj)
static void locomolcd_off(int comadj)
{
/* TFTCRST=1 | CPSOUT=1 | CPSEN = 0 */
- locomo_writel(0x06, locomolcd_dev->mapbase + LOCOMO_TC);
+ __raw_writew(0x06, locomolcd_dev->mapbase + LOCOMO_TC);
mdelay(1);
locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHA_ON, 0);
@@ -75,7 +76,7 @@ static void locomolcd_off(int comadj)
mdelay(700);
/* TFTCRST=0 | CPSOUT=0 | CPSEN = 0 */
- locomo_writel(0, locomolcd_dev->mapbase + LOCOMO_TC);
+ __raw_writew(0, locomolcd_dev->mapbase + LOCOMO_TC);
locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_MOD, 0);
locomo_gpio_write(locomolcd_dev->dev.parent, LOCOMO_GPIO_LCD_VSHD_ON, 0);
}
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