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-rw-r--r--arch/arm/common/Makefile1
-rw-r--r--arch/arm/common/dmabounce.c3
-rw-r--r--arch/arm/common/locomo.c66
-rw-r--r--arch/arm/common/rtctime.c434
4 files changed, 50 insertions, 454 deletions
diff --git a/arch/arm/common/Makefile b/arch/arm/common/Makefile
index 3d0b9fa42f8..325e4b6a6af 100644
--- a/arch/arm/common/Makefile
+++ b/arch/arm/common/Makefile
@@ -2,7 +2,6 @@
# Makefile for the linux kernel.
#
-obj-y += rtctime.o
obj-$(CONFIG_ARM_GIC) += gic.o
obj-$(CONFIG_ARM_VIC) += vic.o
obj-$(CONFIG_ICST525) += icst525.o
diff --git a/arch/arm/common/dmabounce.c b/arch/arm/common/dmabounce.c
index 52fc6a88328..2744673314b 100644
--- a/arch/arm/common/dmabounce.c
+++ b/arch/arm/common/dmabounce.c
@@ -650,7 +650,8 @@ EXPORT_SYMBOL(dma_map_sg);
EXPORT_SYMBOL(dma_unmap_sg);
EXPORT_SYMBOL(dma_sync_single_for_cpu);
EXPORT_SYMBOL(dma_sync_single_for_device);
-EXPORT_SYMBOL(dma_sync_sg);
+EXPORT_SYMBOL(dma_sync_sg_for_cpu);
+EXPORT_SYMBOL(dma_sync_sg_for_device);
EXPORT_SYMBOL(dmabounce_register_dev);
EXPORT_SYMBOL(dmabounce_unregister_dev);
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index ae21755872e..d973c986f72 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -321,11 +321,42 @@ static void locomo_gpio_unmask_irq(unsigned int irq)
locomo_writel(r, mapbase + LOCOMO_GIE);
}
+static int GPIO_IRQ_rising_edge;
+static int GPIO_IRQ_falling_edge;
+
+static int locomo_gpio_type(unsigned int irq, unsigned int type)
+{
+ unsigned int mask;
+ void __iomem *mapbase = get_irq_chip_data(irq);
+
+ mask = 1 << (irq - LOCOMO_IRQ_GPIO_START);
+
+ if (type == IRQT_PROBE) {
+ if ((GPIO_IRQ_rising_edge | GPIO_IRQ_falling_edge) & mask)
+ return 0;
+ type = __IRQT_RISEDGE | __IRQT_FALEDGE;
+ }
+
+ if (type & __IRQT_RISEDGE)
+ GPIO_IRQ_rising_edge |= mask;
+ else
+ GPIO_IRQ_rising_edge &= ~mask;
+ if (type & __IRQT_FALEDGE)
+ GPIO_IRQ_falling_edge |= mask;
+ else
+ GPIO_IRQ_falling_edge &= ~mask;
+ locomo_writel(GPIO_IRQ_rising_edge, mapbase + LOCOMO_GRIE);
+ locomo_writel(GPIO_IRQ_falling_edge, mapbase + LOCOMO_GFIE);
+
+ return 0;
+}
+
static struct irq_chip locomo_gpio_chip = {
- .name = "LOCOMO-gpio",
- .ack = locomo_gpio_ack_irq,
- .mask = locomo_gpio_mask_irq,
- .unmask = locomo_gpio_unmask_irq,
+ .name = "LOCOMO-gpio",
+ .ack = locomo_gpio_ack_irq,
+ .mask = locomo_gpio_mask_irq,
+ .unmask = locomo_gpio_unmask_irq,
+ .set_type = locomo_gpio_type,
};
static void locomo_lt_handler(unsigned int irq, struct irq_desc *desc)
@@ -450,22 +481,18 @@ static void locomo_setup_irq(struct locomo *lchip)
set_irq_chip(IRQ_LOCOMO_KEY_BASE, &locomo_chip);
set_irq_chip_data(IRQ_LOCOMO_KEY_BASE, irqbase);
set_irq_chained_handler(IRQ_LOCOMO_KEY_BASE, locomo_key_handler);
- set_irq_flags(IRQ_LOCOMO_KEY_BASE, IRQF_VALID | IRQF_PROBE);
set_irq_chip(IRQ_LOCOMO_GPIO_BASE, &locomo_chip);
set_irq_chip_data(IRQ_LOCOMO_GPIO_BASE, irqbase);
set_irq_chained_handler(IRQ_LOCOMO_GPIO_BASE, locomo_gpio_handler);
- set_irq_flags(IRQ_LOCOMO_GPIO_BASE, IRQF_VALID | IRQF_PROBE);
set_irq_chip(IRQ_LOCOMO_LT_BASE, &locomo_chip);
set_irq_chip_data(IRQ_LOCOMO_LT_BASE, irqbase);
set_irq_chained_handler(IRQ_LOCOMO_LT_BASE, locomo_lt_handler);
- set_irq_flags(IRQ_LOCOMO_LT_BASE, IRQF_VALID | IRQF_PROBE);
set_irq_chip(IRQ_LOCOMO_SPI_BASE, &locomo_chip);
set_irq_chip_data(IRQ_LOCOMO_SPI_BASE, irqbase);
set_irq_chained_handler(IRQ_LOCOMO_SPI_BASE, locomo_spi_handler);
- set_irq_flags(IRQ_LOCOMO_SPI_BASE, IRQF_VALID | IRQF_PROBE);
/* install handlers for IRQ_LOCOMO_KEY_BASE generated interrupts */
set_irq_chip(LOCOMO_IRQ_KEY_START, &locomo_key_chip);
@@ -488,7 +515,7 @@ static void locomo_setup_irq(struct locomo *lchip)
set_irq_flags(LOCOMO_IRQ_LT_START, IRQF_VALID | IRQF_PROBE);
/* install handlers for IRQ_LOCOMO_SPI_BASE generated interrupts */
- for (irq = LOCOMO_IRQ_SPI_START; irq < LOCOMO_IRQ_SPI_START + 3; irq++) {
+ for (irq = LOCOMO_IRQ_SPI_START; irq < LOCOMO_IRQ_SPI_START + 4; irq++) {
set_irq_chip(irq, &locomo_spi_chip);
set_irq_chip_data(irq, irqbase);
set_irq_handler(irq, handle_edge_irq);
@@ -574,20 +601,20 @@ static int locomo_suspend(struct platform_device *dev, pm_message_t state)
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_SPICT); /* SPI */
+ 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_SPIMD); /* SPI */
- locomo_writel(0x3C14, lchip->base + LOCOMO_SPIMD);
+ 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) )
+ 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 */
else
/* 18MHz already enabled, so no wait */
@@ -616,10 +643,10 @@ 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_SPICT);
+ 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_SPIMD);
+ locomo_writel(save->LCM_SPIMD, lchip->base + LOCOMO_SPI + LOCOMO_SPIMD);
locomo_writel(0x00, lchip->base + LOCOMO_C32K);
locomo_writel(0x90, lchip->base + LOCOMO_TADC);
@@ -688,9 +715,9 @@ __locomo_probe(struct device *me, struct resource *mem, int irq)
/* GPIO */
locomo_writel(0, lchip->base + LOCOMO_GPO);
- locomo_writel( (LOCOMO_GPIO(2) | LOCOMO_GPIO(3) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
+ locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
, lchip->base + LOCOMO_GPE);
- locomo_writel( (LOCOMO_GPIO(2) | LOCOMO_GPIO(3) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
+ locomo_writel((LOCOMO_GPIO(1) | LOCOMO_GPIO(2) | LOCOMO_GPIO(13) | LOCOMO_GPIO(14))
, lchip->base + LOCOMO_GPD);
locomo_writel(0, lchip->base + LOCOMO_GIE);
@@ -833,7 +860,10 @@ 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 &= ~bits;
+ if (dir)
+ r |= bits;
+ else
+ r &= ~bits;
locomo_writel(r, lchip->base + LOCOMO_GPD);
r = locomo_readl(lchip->base + LOCOMO_GPE);
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
deleted file mode 100644
index aa8f7739c82..00000000000
--- a/arch/arm/common/rtctime.c
+++ /dev/null
@@ -1,434 +0,0 @@
-/*
- * linux/arch/arm/common/rtctime.c
- *
- * Copyright (C) 2003 Deep Blue Solutions Ltd.
- * Based on sa1100-rtc.c, Nils Faerber, CIH, Nicolas Pitre.
- * Based on rtc.c by Paul Gortmaker
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/time.h>
-#include <linux/rtc.h>
-#include <linux/poll.h>
-#include <linux/proc_fs.h>
-#include <linux/miscdevice.h>
-#include <linux/spinlock.h>
-#include <linux/capability.h>
-#include <linux/device.h>
-#include <linux/mutex.h>
-
-#include <asm/rtc.h>
-
-static DECLARE_WAIT_QUEUE_HEAD(rtc_wait);
-static struct fasync_struct *rtc_async_queue;
-
-/*
- * rtc_lock protects rtc_irq_data
- */
-static DEFINE_SPINLOCK(rtc_lock);
-static unsigned long rtc_irq_data;
-
-/*
- * rtc_sem protects rtc_inuse and rtc_ops
- */
-static DEFINE_MUTEX(rtc_mutex);
-static unsigned long rtc_inuse;
-static struct rtc_ops *rtc_ops;
-
-#define rtc_epoch 1900UL
-
-/*
- * Calculate the next alarm time given the requested alarm time mask
- * and the current time.
- */
-void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc_time *alrm)
-{
- unsigned long next_time;
- unsigned long now_time;
-
- next->tm_year = now->tm_year;
- next->tm_mon = now->tm_mon;
- next->tm_mday = now->tm_mday;
- next->tm_hour = alrm->tm_hour;
- next->tm_min = alrm->tm_min;
- next->tm_sec = alrm->tm_sec;
-
- rtc_tm_to_time(now, &now_time);
- rtc_tm_to_time(next, &next_time);
-
- if (next_time < now_time) {
- /* Advance one day */
- next_time += 60 * 60 * 24;
- rtc_time_to_tm(next_time, next);
- }
-}
-EXPORT_SYMBOL(rtc_next_alarm_time);
-
-static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm)
-{
- memset(tm, 0, sizeof(struct rtc_time));
- return ops->read_time(tm);
-}
-
-static inline int rtc_arm_set_time(struct rtc_ops *ops, struct rtc_time *tm)
-{
- int ret;
-
- ret = rtc_valid_tm(tm);
- if (ret == 0)
- ret = ops->set_time(tm);
-
- return ret;
-}
-
-static inline int rtc_arm_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
-{
- int ret = -EINVAL;
- if (ops->read_alarm) {
- memset(alrm, 0, sizeof(struct rtc_wkalrm));
- ret = ops->read_alarm(alrm);
- }
- return ret;
-}
-
-static inline int rtc_arm_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
-{
- int ret = -EINVAL;
- if (ops->set_alarm)
- ret = ops->set_alarm(alrm);
- return ret;
-}
-
-void rtc_update(unsigned long num, unsigned long events)
-{
- spin_lock(&rtc_lock);
- rtc_irq_data = (rtc_irq_data + (num << 8)) | events;
- spin_unlock(&rtc_lock);
-
- wake_up_interruptible(&rtc_wait);
- kill_fasync(&rtc_async_queue, SIGIO, POLL_IN);
-}
-EXPORT_SYMBOL(rtc_update);
-
-
-static ssize_t
-rtc_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
-{
- DECLARE_WAITQUEUE(wait, current);
- unsigned long data;
- ssize_t ret;
-
- if (count < sizeof(unsigned long))
- return -EINVAL;
-
- add_wait_queue(&rtc_wait, &wait);
- do {
- __set_current_state(TASK_INTERRUPTIBLE);
-
- spin_lock_irq(&rtc_lock);
- data = rtc_irq_data;
- rtc_irq_data = 0;
- spin_unlock_irq(&rtc_lock);
-
- if (data != 0) {
- ret = 0;
- break;
- }
- if (file->f_flags & O_NONBLOCK) {
- ret = -EAGAIN;
- break;
- }
- if (signal_pending(current)) {
- ret = -ERESTARTSYS;
- break;
- }
- schedule();
- } while (1);
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&rtc_wait, &wait);
-
- if (ret == 0) {
- ret = put_user(data, (unsigned long __user *)buf);
- if (ret == 0)
- ret = sizeof(unsigned long);
- }
- return ret;
-}
-
-static unsigned int rtc_poll(struct file *file, poll_table *wait)
-{
- unsigned long data;
-
- poll_wait(file, &rtc_wait, wait);
-
- spin_lock_irq(&rtc_lock);
- data = rtc_irq_data;
- spin_unlock_irq(&rtc_lock);
-
- return data != 0 ? POLLIN | POLLRDNORM : 0;
-}
-
-static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
- unsigned long arg)
-{
- struct rtc_ops *ops = file->private_data;
- struct rtc_time tm;
- struct rtc_wkalrm alrm;
- void __user *uarg = (void __user *)arg;
- int ret = -EINVAL;
-
- switch (cmd) {
- case RTC_ALM_READ:
- ret = rtc_arm_read_alarm(ops, &alrm);
- if (ret)
- break;
- ret = copy_to_user(uarg, &alrm.time, sizeof(tm));
- if (ret)
- ret = -EFAULT;
- break;
-
- case RTC_ALM_SET:
- ret = copy_from_user(&alrm.time, uarg, sizeof(tm));
- if (ret) {
- ret = -EFAULT;
- break;
- }
- alrm.enabled = 0;
- alrm.pending = 0;
- alrm.time.tm_mday = -1;
- alrm.time.tm_mon = -1;
- alrm.time.tm_year = -1;
- alrm.time.tm_wday = -1;
- alrm.time.tm_yday = -1;
- alrm.time.tm_isdst = -1;
- ret = rtc_arm_set_alarm(ops, &alrm);
- break;
-
- case RTC_RD_TIME:
- ret = rtc_arm_read_time(ops, &tm);
- if (ret)
- break;
- ret = copy_to_user(uarg, &tm, sizeof(tm));
- if (ret)
- ret = -EFAULT;
- break;
-
- case RTC_SET_TIME:
- if (!capable(CAP_SYS_TIME)) {
- ret = -EACCES;
- break;
- }
- ret = copy_from_user(&tm, uarg, sizeof(tm));
- if (ret) {
- ret = -EFAULT;
- break;
- }
- ret = rtc_arm_set_time(ops, &tm);
- break;
-
- case RTC_EPOCH_SET:
-#ifndef rtc_epoch
- /*
- * There were no RTC clocks before 1900.
- */
- if (arg < 1900) {
- ret = -EINVAL;
- break;
- }
- if (!capable(CAP_SYS_TIME)) {
- ret = -EACCES;
- break;
- }
- rtc_epoch = arg;
- ret = 0;
-#endif
- break;
-
- case RTC_EPOCH_READ:
- ret = put_user(rtc_epoch, (unsigned long __user *)uarg);
- break;
-
- case RTC_WKALM_SET:
- ret = copy_from_user(&alrm, uarg, sizeof(alrm));
- if (ret) {
- ret = -EFAULT;
- break;
- }
- ret = rtc_arm_set_alarm(ops, &alrm);
- break;
-
- case RTC_WKALM_RD:
- ret = rtc_arm_read_alarm(ops, &alrm);
- if (ret)
- break;
- ret = copy_to_user(uarg, &alrm, sizeof(alrm));
- if (ret)
- ret = -EFAULT;
- break;
-
- default:
- if (ops->ioctl)
- ret = ops->ioctl(cmd, arg);
- break;
- }
- return ret;
-}
-
-static int rtc_open(struct inode *inode, struct file *file)
-{
- int ret;
-
- mutex_lock(&rtc_mutex);
-
- if (rtc_inuse) {
- ret = -EBUSY;
- } else if (!rtc_ops || !try_module_get(rtc_ops->owner)) {
- ret = -ENODEV;
- } else {
- file->private_data = rtc_ops;
-
- ret = rtc_ops->open ? rtc_ops->open() : 0;
- if (ret == 0) {
- spin_lock_irq(&rtc_lock);
- rtc_irq_data = 0;
- spin_unlock_irq(&rtc_lock);
-
- rtc_inuse = 1;
- }
- }
- mutex_unlock(&rtc_mutex);
-
- return ret;
-}
-
-static int rtc_release(struct inode *inode, struct file *file)
-{
- struct rtc_ops *ops = file->private_data;
-
- if (ops->release)
- ops->release();
-
- spin_lock_irq(&rtc_lock);
- rtc_irq_data = 0;
- spin_unlock_irq(&rtc_lock);
-
- module_put(rtc_ops->owner);
- rtc_inuse = 0;
-
- return 0;
-}
-
-static int rtc_fasync(int fd, struct file *file, int on)
-{
- return fasync_helper(fd, file, on, &rtc_async_queue);
-}
-
-static const struct file_operations rtc_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .read = rtc_read,
- .poll = rtc_poll,
- .ioctl = rtc_ioctl,
- .open = rtc_open,
- .release = rtc_release,
- .fasync = rtc_fasync,
-};
-
-static struct miscdevice rtc_miscdev = {
- .minor = RTC_MINOR,
- .name = "rtc",
- .fops = &rtc_fops,
-};
-
-
-static int rtc_read_proc(char *page, char **start, off_t off, int count, int *eof, void *data)
-{
- struct rtc_ops *ops = data;
- struct rtc_wkalrm alrm;
- struct rtc_time tm;
- char *p = page;
-
- if (rtc_arm_read_time(ops, &tm) == 0) {
- p += sprintf(p,
- "rtc_time\t: %02d:%02d:%02d\n"
- "rtc_date\t: %04d-%02d-%02d\n"
- "rtc_epoch\t: %04lu\n",
- tm.tm_hour, tm.tm_min, tm.tm_sec,
- tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
- rtc_epoch);
- }
-
- if (rtc_arm_read_alarm(ops, &alrm) == 0) {
- p += sprintf(p, "alrm_time\t: ");
- if ((unsigned int)alrm.time.tm_hour <= 24)
- p += sprintf(p, "%02d:", alrm.time.tm_hour);
- else
- p += sprintf(p, "**:");
- if ((unsigned int)alrm.time.tm_min <= 59)
- p += sprintf(p, "%02d:", alrm.time.tm_min);
- else
- p += sprintf(p, "**:");
- if ((unsigned int)alrm.time.tm_sec <= 59)
- p += sprintf(p, "%02d\n", alrm.time.tm_sec);
- else
- p += sprintf(p, "**\n");
-
- p += sprintf(p, "alrm_date\t: ");
- if ((unsigned int)alrm.time.tm_year <= 200)
- p += sprintf(p, "%04d-", alrm.time.tm_year + 1900);
- else
- p += sprintf(p, "****-");
- if ((unsigned int)alrm.time.tm_mon <= 11)
- p += sprintf(p, "%02d-", alrm.time.tm_mon + 1);
- else
- p += sprintf(p, "**-");
- if ((unsigned int)alrm.time.tm_mday <= 31)
- p += sprintf(p, "%02d\n", alrm.time.tm_mday);
- else
- p += sprintf(p, "**\n");
- p += sprintf(p, "alrm_wakeup\t: %s\n",
- alrm.enabled ? "yes" : "no");
- p += sprintf(p, "alrm_pending\t: %s\n",
- alrm.pending ? "yes" : "no");
- }
-
- if (ops->proc)
- p += ops->proc(p);
-
- return p - page;
-}
-
-int register_rtc(struct rtc_ops *ops)
-{
- int ret = -EBUSY;
-
- mutex_lock(&rtc_mutex);
- if (rtc_ops == NULL) {
- rtc_ops = ops;
-
- ret = misc_register(&rtc_miscdev);
- if (ret == 0)
- create_proc_read_entry("driver/rtc", 0, NULL,
- rtc_read_proc, ops);
- }
- mutex_unlock(&rtc_mutex);
-
- return ret;
-}
-EXPORT_SYMBOL(register_rtc);
-
-void unregister_rtc(struct rtc_ops *rtc)
-{
- mutex_lock(&rtc_mutex);
- if (rtc == rtc_ops) {
- remove_proc_entry("driver/rtc", NULL);
- misc_deregister(&rtc_miscdev);
- rtc_ops = NULL;
- }
- mutex_unlock(&rtc_mutex);
-}
-EXPORT_SYMBOL(unregister_rtc);
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-25 10:56:57 +0000