summaryrefslogtreecommitdiff
path: root/linux/openslug-kernel-2.6.9
diff options
context:
space:
mode:
authorChris Larson <clarson@kergoth.com>2004-11-25 10:19:50 +0000
committerChris Larson <clarson@kergoth.com>2004-11-25 10:19:50 +0000
commit119b59cd0df00269bfe51d906657193217b8c884 (patch)
treebe4bc7f812a9df2c6b3f17e6c3cc9bfafad07253 /linux/openslug-kernel-2.6.9
parentc985a77fad25302d576fbcf92149c983887bc0b9 (diff)
Remove the EOLN_NATIVE flag from a ton of files (patches & the like for which line ending conversions can break things).
BKrev: 41a5b1c6eA2OPeQrDQEgEwAmKXvQJg
Diffstat (limited to 'linux/openslug-kernel-2.6.9')
-rw-r--r--linux/openslug-kernel-2.6.9/nslu2-io.c651
-rw-r--r--linux/openslug-kernel-2.6.9/nslu2-part.c120
-rw-r--r--linux/openslug-kernel-2.6.9/nslu2-pci.c87
-rw-r--r--linux/openslug-kernel-2.6.9/nslu2-setup.c132
-rw-r--r--linux/openslug-kernel-2.6.9/nslu2.h43
-rw-r--r--linux/openslug-kernel-2.6.9/x1205-rtc.c548
6 files changed, 1581 insertions, 0 deletions
diff --git a/linux/openslug-kernel-2.6.9/nslu2-io.c b/linux/openslug-kernel-2.6.9/nslu2-io.c
index e69de29bb2..ad5bdc221d 100644
--- a/linux/openslug-kernel-2.6.9/nslu2-io.c
+++ b/linux/openslug-kernel-2.6.9/nslu2-io.c
@@ -0,0 +1,651 @@
+//=============================================================================
+//
+// nslu2-io.c version 0.1.0
+// Author: Karen Spearel <kas11 at tampabay.rr.com>
+// please report problems/bugs directly to the address above
+//
+// NOTE: THIS IS INCOMPLETE. INCLUDED ONLY TO KEEP FROM BREAKING THE BUILD,
+// IT BEEPS AND SENDS A MESSAGE TO /proc/poweroff. EVENTUALLY IT
+// WILL TALK TO THE n2_pbuttond DAEMON. EVENTUALLY THE LED DRIVER
+// WILL TALK TO SOME USERLAND APP BUT ***NOT*** THE NASTY SETLEDS.
+//
+//=============================================================================
+// GPIO Function State
+// 0 Red LED Status
+// 1 Green LED Ready = 1
+// 2 Disk 2 LED On = 0
+// 3 Disk 1 LED On = 0
+// 4 Buzzer
+// 5 Power Button Pressed = 1
+// 8 Power Down Output = 1 powers down N2
+// 12 Reset Pressed = 0
+//=============================================================================
+// this driver is N2 specific and is purposely designed to do the minimum
+// necessary to provide the necessary services given the limited memory resources
+// of the N2. As OpenSlug develops, addition features will be added as
+// suggested by community leadership.
+//
+// The Userland apps such as SetLeds are just to crufty to bother with.
+// This driver makes no attempt to do so...one day a Userland app will appear
+// ...until then, this does very little.
+//=============================================================================
+
+#include <linux/config.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/utsname.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/string.h>
+#include <linux/proc_fs.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/miscdevice.h>
+#include <linux/device.h>
+#include <linux/interrupt.h>
+#include <linux/moduleparam.h>
+#include <linux/timer.h>
+
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <asm/hardware.h>
+#include <asm-arm/irq.h>
+#include <asm-arm/delay.h>
+
+// Print kernel error
+#define P_ERROR(args...) \
+ printk(KERN_ERR DRV_NAME ": " args)
+// Print kernel warning
+#define P_WARN(args...) \
+ printk(KERN_WARNING DRV_NAME ": " args)
+// Print kernel notice
+#define P_NOTICE(args...) \
+ printk(KERN_NOTICE DRV_NAME ": " args)
+// Print kernel info
+#define P_INFO(args...) \
+ printk(KERN_INFO DRV_NAME ": " args)
+// Print verbose message. Enabled/disabled by 'log_level' param
+#define P_VERBOSE(args...) \
+ if (log_level >= 1) printk(DRV_NAME ": " args)
+// Print debug message. Enabled/disabled by 'log_level' param
+#define P_DEBUG(args...) \
+ if (log_level >= 2) { \
+ printk("%s: %s()\n", DRV_NAME, __FUNCTION__); \
+ printk(args); }
+
+#ifdef DEBUG
+// Print trace message
+#define TRACE \
+ if (log_level >= 2) printk("%s: %s(): line %d\n", \
+ DRV_NAME, __FUNCTION__, __LINE__)
+#else
+// no trace
+#define TRACE
+#endif
+
+#define VERSION "0.1.1"
+
+#define N2RB_MAJOR 60
+#define N2PB_MAJOR 61
+#define N2BZ_MAJOR 62
+#define N2LM_MAJOR 126
+
+#define N2PB_IRQ 22 //gpio5
+#define N2RB_IRQ 29 //gpio12
+
+#define N2_BEEP_DUR_LONG 2000
+#define N2_BEEP_DUR_MED 400
+#define N2_BEEP_DUR_SHORT 100
+#define N2_BEEP_PITCH_HIGH 250
+#define N2_BEEP_PITCH_MED 500
+#define N2_BEEP_PITCH_LOW 1000
+#define N2_LONG_DELAY 30000
+
+#define N2_BZ_GPIO 4
+#define N2_PB_GPIO 5
+#define N2_PO_GPIO 8 //power off
+#define N2_RB_GPIO 12
+
+#define GPIO_BZ_BM 0x0010 //b0000 0000 0001 0000
+#define GPIO_PB_BM 0x0020 //b0000 0000 0010 0000
+#define GPIO_PO_BM 0x0100 //b0000 0001 0000 0000
+#define GPIO_RB_BM 0x1000 //b0001 0000 0000 0000
+
+#define NOERR 0
+
+#define RB_DELAY 50
+#define PB_DELAY 20
+
+#define PWR_OFF_STR "poweroff"
+
+
+// ioctls -- THESE NEED TO BE PROPERLY DEFINED
+
+#define N2LM_ON 0
+#define N2LM_OFF 1
+#define N2LM_BLINK 2
+#define N2LM_ALT 3
+#define N2LM_ALL_ON 4
+#define N2LM_ALL_OFF 5
+
+#define PHYS_LEDS 4
+#define BLINK_DELAY 25
+
+static int n2lm_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg);
+
+
+
+// OR Masks to turn these LEDs ON
+
+#define RS_RED_ON 0x00000001 //0b0000 0000 0000 0010
+#define RS_GRN_ON 0x00000002 //0b0000 0000 0000 0001
+#define RS_YEL_ON 0x00000003 //0b0000 0000 0000 0011
+
+// AND Masks to turn these LEDs OFF
+
+#define RS_RED_OFF 0xfffffffe //0b1111 1111 1111 1101
+#define RS_GRN_OFF 0xfffffffd //0b1111 1111 1111 1110
+#define RS_YEL_OFF 0xfffffffc //0b1111 1111 1111 1100
+
+// AND Masks to turn these LEDs ON
+
+#define DISK1_ON 0xfffffff7 //0b1111 1111 1111 0111
+#define DISK2_ON 0xfffffffb //0b1111 1111 1111 1011
+
+// Or Masks to turn these LEDs OFF
+
+#define DISK1_OFF 0x00000008 //0b0000 0000 0000 1000
+#define DISK2_OFF 0x00000004 //0b0000 0000 0000 0100
+
+// EOR masks for toggling LEDs on/off
+
+#define RS_RG_ALT 0x00000003 //eor mask to toggle rs rg bits
+#define RS_GRN_TGL 0x00000002
+#define RS_RED_TGL 0x00000001
+#define DISK1_TGL 0x00000008
+#define DISK2_TGL 0x00000004
+
+// The LED names for switches
+
+#define LED_RS_RED 0
+#define LED_RS_GRN 1
+#define LED_DISK1 2
+#define LED_DISK2 3
+#define LED_ALL 4
+
+static long init_jiffy = 0; //jiffies at init time
+static int rb_presses = 0; //number of reset button presses
+
+DECLARE_WAIT_QUEUE_HEAD(n2rb_waitq);
+DECLARE_WAIT_QUEUE_HEAD(n2pb_waitq);
+
+static struct timer_list n2lm_rsg_timer; //rs green
+static struct timer_list n2lm_rsr_timer; //rs red
+static struct timer_list n2lm_d1_timer; //drive 1
+static struct timer_list n2lm_d2_timer; //drive 2
+static struct timer_list n2rb_timer;
+static struct timer_list n2pb_timer;
+
+
+//==================================================================================================
+//
+// Blinking is handled entirely by the 4 timer handlers. On timeout, the bit in the
+// GPIO output register is xor'd with a mask corresponding to the selected led which simply
+// flips that bit. No record of what any of the other leds is doing is needed.
+//
+//==================================================================================================
+// this blinks rs green or green/yellow if rs red is on
+static void n2lm_rsg_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= RS_GRN_TGL; //flip the led
+ n2lm_rsg_timer.expires = jiffies + BLINK_DELAY; //next timeout
+ add_timer(&n2lm_rsg_timer); //reinit timer
+ return;
+}
+
+// this blinks or alternates rs red green... inited wit green on/red off
+static void n2lm_rsr_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= n2lm_rsr_timer.data;
+ n2lm_rsr_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_rsr_timer);
+ return;
+}
+// blinks disk 1
+static void n2lm_d1_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= DISK1_TGL;
+ n2lm_d1_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_d1_timer);
+ return;
+}
+// blinks disk 2
+static void n2lm_d2_handler(unsigned long data)
+{
+ *IXP4XX_GPIO_GPOUTR ^= DISK2_TGL;
+ n2lm_d2_timer.expires = jiffies + BLINK_DELAY;
+ add_timer(&n2lm_d2_timer);
+ return;
+}
+
+//==================================================================================================
+
+static void n2lm_timer_start(unsigned long led)
+{
+
+ printk(KERN_DEBUG "timer: %ld\n",led);
+
+ switch(led) {
+ case LED_RS_RED:
+ n2lm_rsr_timer.expires = jiffies + BLINK_DELAY;
+ n2lm_rsr_timer.function = n2lm_rsr_handler;
+ add_timer(&n2lm_rsr_timer);
+ break;
+
+ case LED_RS_GRN:
+ n2lm_rsg_timer.expires = jiffies + BLINK_DELAY;
+ n2lm_rsg_timer.function = n2lm_rsg_handler;
+ add_timer(&n2lm_rsg_timer);
+ break;
+
+ case LED_DISK1:
+ n2lm_d1_timer.expires = jiffies + BLINK_DELAY;
+ n2lm_d1_timer.function = n2lm_d1_handler;
+ add_timer(&n2lm_d1_timer);
+ break;
+
+ case LED_DISK2:
+ n2lm_d2_timer.expires = jiffies + BLINK_DELAY;
+ n2lm_d2_timer.function = n2lm_d2_handler;
+ add_timer(&n2lm_d2_timer);
+ break;
+
+ default:
+ break;
+ }
+ return;
+}
+
+//==================================================================================================
+
+static void n2lm_timer_stop(unsigned long led)
+{
+ switch (led) {
+ case LED_RS_RED:
+ del_timer(&n2lm_rsr_timer);
+ break;
+ case LED_RS_GRN:
+ del_timer(&n2lm_rsg_timer);
+ break;
+ case LED_DISK1:
+ del_timer(&n2lm_d1_timer);
+ break;
+ case LED_DISK2:
+ del_timer(&n2lm_d2_timer);
+ break;
+ default:
+ break;
+ }
+ return;
+}
+
+//--------------------------------------------------------------------------------------------------
+
+static void n2lm_timer_stop_all(void)
+{
+ del_timer(&n2lm_rsg_timer);
+ del_timer(&n2lm_rsr_timer);
+ del_timer(&n2lm_d1_timer);
+ del_timer(&n2lm_d2_timer);
+ return;
+}
+//--------------------------------------------------------------------------------------------------
+
+static void n2lm_ledon(unsigned long led)
+{
+
+ printk("ledon: %ld\n", led);
+
+ switch (led) {
+ case LED_RS_RED:
+ *IXP4XX_GPIO_GPOUTR |= RS_RED_ON; //1
+ return;
+ case LED_RS_GRN:
+ *IXP4XX_GPIO_GPOUTR |= RS_GRN_ON; //2
+ return;
+ case LED_DISK1:
+ *IXP4XX_GPIO_GPOUTR &= DISK1_ON; //0xfffffffb
+ return;
+ case LED_DISK2:
+ *IXP4XX_GPIO_GPOUTR &= DISK2_ON; //0xfffffff7
+ return;
+ case LED_ALL: //all green
+ *IXP4XX_GPIO_GPOUTR |= RS_GRN_ON;
+ *IXP4XX_GPIO_GPOUTR &= (DISK1_ON & DISK2_ON);
+ return;
+ }
+}
+
+//--------------------------------------------------------------------------------------------------
+
+static void n2lm_ledoff(unsigned long led)
+{
+
+ switch (led) {
+ case LED_RS_RED:
+ *IXP4XX_GPIO_GPOUTR &= RS_RED_OFF; //0xffffffffe
+ return;
+ case LED_RS_GRN:
+ *IXP4XX_GPIO_GPOUTR &= RS_GRN_OFF; //0xfffffffd
+ return;
+ case LED_DISK1:
+ *IXP4XX_GPIO_GPOUTR |= DISK1_OFF; //0x00000004
+ return;
+ case LED_DISK2:
+ *IXP4XX_GPIO_GPOUTR |= DISK2_OFF; //0x00000008
+ return;
+ case LED_ALL:
+ *IXP4XX_GPIO_GPOUTR &= (RS_GRN_OFF & RS_RED_OFF);
+ *IXP4XX_GPIO_GPOUTR |= (DISK1_OFF | DISK2_OFF);
+ }
+}
+
+//==================================================================================================
+
+static int n2lm_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long led)
+{
+
+ printk(KERN_DEBUG "cmd=%d, led=%ld\n", cmd, led);
+
+ if (led < 0 || led >= PHYS_LEDS)
+ return -EINVAL;
+
+ switch (cmd ) {
+ case N2LM_ON:
+ n2lm_timer_stop(led);
+ n2lm_ledon(led);
+ break;
+
+ case N2LM_OFF:
+ n2lm_timer_stop(led);
+ n2lm_ledoff(led);
+ break;
+
+ case N2LM_BLINK:
+ n2lm_ledon(led);
+ if (led == LED_RS_RED)
+ n2lm_rsr_timer.data = RS_RED_TGL;
+ if (led == LED_RS_GRN)
+ n2lm_rsr_timer.data = RS_GRN_TGL;
+ n2lm_timer_start(led);
+ break;
+
+ case N2LM_ALT:
+ if (led == LED_RS_RED)
+ {
+ n2lm_ledon(LED_RS_GRN);
+ n2lm_ledoff(LED_RS_RED);
+ n2lm_rsr_timer.data = RS_RG_ALT;
+ n2lm_timer_start(LED_RS_RED);
+ break;
+ } else
+ return -EINVAL;
+
+ case N2LM_ALL_ON:
+ n2lm_timer_stop_all();
+ n2lm_ledon(LED_ALL);
+ break;
+
+ case N2LM_ALL_OFF:
+ n2lm_timer_stop_all();
+ n2lm_ledoff(LED_ALL);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return NOERR;
+}
+
+static struct file_operations n2lm_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = n2lm_ioctl,
+};
+//==================================================================================================
+// We can't do anything fancy here since the system tick rate is far below that required to
+// generate a desirable tone. Therefore we haven't much choice but to use a busy loop until
+// I get up to speed on the timers. The saving grace is that for the normal uses, nothing
+// important should be haprepening.
+//==================================================================================================
+
+static void n2_beep(int tone_delay, int duration)
+{
+ int i;
+
+ *IXP4XX_GPIO_GPOER &= ~GPIO_BZ_BM;
+
+ for (i = 1; i < duration; i++) {
+ *IXP4XX_GPIO_GPOUTR &= ~GPIO_BZ_BM;
+ udelay(tone_delay);
+ *IXP4XX_GPIO_GPOUTR |= GPIO_BZ_BM;
+ udelay(tone_delay);
+ }
+ *IXP4XX_GPIO_GPOER |= GPIO_BZ_BM;
+
+ return;
+}
+
+//==================================================================================================
+
+static irqreturn_t n2pb_handler (int irq, void *dev_id, struct pt_regs *regs)
+{
+ void *ret;
+
+ wake_up(&n2pb_waitq);
+ remove_proc_entry(PWR_OFF_STR, NULL); //no parent
+ n2_beep(N2_BEEP_PITCH_MED, N2_BEEP_DUR_MED);
+ ret = create_proc_entry(PWR_OFF_STR, 0, NULL);
+
+// WARNING: This is RUDE...it unconditionally pulls the power plug
+// your data will be at risk...since this is just a test system
+// I am leaving it enabled...eventually userland needs to get the
+// message, do an orderly shutdown and use an ioctl or something in
+// /proc/powerdowm to actually have us pull the plug.
+
+ *IXP4XX_GPIO_GPOER &= ~GPIO_PO_BM; // enable the pwr cntl gpio
+ *IXP4XX_GPIO_GPOUTR |= GPIO_PO_BM; // do the deed
+
+ printk(KERN_DEBUG "cpe ret = %p\n", ret);
+ return IRQ_HANDLED;
+}
+
+//==================================================================================================
+//
+//static void do_rb_timeout(unsigned long data)
+//{
+// int i;
+//
+// for (i = 0; i < rb_presses; i++)
+// n2_beep(N2_BEEP_PITCH_MED,N2_BEEP_DUR_SHORT);
+// return;
+//}
+//
+//==================================================================================================
+// does nothing -- waiting for userland to define
+// This thing is sorta braindead...edge triggered IRQs aren't available in the drivers yet...so
+// we hang in a loop until the button is no longer pressed
+static irqreturn_t n2rb_handler (int irq, void *dev_id, struct pt_regs *regs)
+{
+
+ unsigned long test[] = { 5,0, 0,0, 1,0, 0,1, 1,1, 0,2, 1,2, 0,3, 1,3, 2,0, 1,0, 2,1, 1,1, 2,2, 1,2, 2,3, 1,3, 5,0, 3,1, 5,0, 4,0 };
+
+ printk(KERN_DEBUG "Reset Entry IRQ=%d Presses= %d Jiffies= %08lx\n", irq, rb_presses, jiffies);
+
+ wake_up(&n2rb_waitq);
+ while ((*IXP4XX_GPIO_GPINR & GPIO_RB_BM) == 0)
+ ; //wait for button release
+
+ if (rb_presses == 21) {
+ rb_presses = 0;
+ }
+ n2lm_ioctl(NULL,NULL,test[rb_presses*2], test[rb_presses*2+1]);
+ rb_presses++;
+
+// if (rb_presses == 0) {
+// init_jiffy = jiffies;
+// init_timer (&n2rb_timer);
+// n2rb_timer.function = do_rb_timeout;
+// };
+//
+// if (rb_presses == 8)
+// rb_presses = 0;
+// if (rb_presses & 1)
+// n2lm_ledon(test[rb_presses]);
+// else
+// n2lm_ledoff(test[rb_presses]);
+//
+// n2rb_timer.expires = (jiffies + RB_DELAY);
+// add_timer (&n2rb_timer);
+// if (rb_presses < 5) {
+// if (rb_presses > 0)
+// n2lm_ledoff(rb_presses);
+// n2lm_ledon(++rb_presses);
+// n2lm_timer_start(rb_presses);
+// };
+
+ printk(KERN_DEBUG "Reset Exit IRQ=%d Presses= %d Jiffies= %08lx\n", irq, rb_presses, jiffies);
+ return IRQ_HANDLED;
+}
+
+//==================================================================================================
+// What to do here is majorly undetermined...
+
+static int n2rb_read (struct file *filp, char __user *buffer, size_t count, loff_t *ppos)
+{
+ printk(KERN_DEBUG "Reset Button Wait\n");
+ interruptible_sleep_on(&n2rb_waitq);
+ return copy_to_user(buffer, "reset", 5) ? -EFAULT : 5;
+
+}
+
+//==================================================================================================
+// What to do here is majorly undetermined...
+
+static int n2pb_read (struct file *filp, char __user *buffer, size_t count, loff_t *ppos)
+{
+ printk(KERN_DEBUG "Power Button Wait\n");
+ interruptible_sleep_on(&n2pb_waitq);
+ return copy_to_user(buffer, "poweroff", 8) ? -EFAULT : 8;
+
+}
+
+//--------------------------------------------------------------------------------------------------
+
+static struct file_operations n2rb_fops = {
+ .owner = THIS_MODULE,
+ .read = n2rb_read,
+};
+
+//--------------------------------------------------------------------------------------------------
+
+static struct file_operations n2pb_fops = {
+ .owner = THIS_MODULE,
+ .read = n2pb_read,
+};
+
+//==================================================================================================
+
+static void n2iom_initarch(void)
+{
+ printk(KERN_DEBUG "setup_interrupts - jiffies=%ld init_jiffy=%ld\n", jiffies, init_jiffy);
+
+ *IXP4XX_GPIO_GPISR = 0x20400000; // read the 2 irqs to clr
+ gpio_line_config(N2_RB_GPIO, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+ gpio_line_isr_clear(N2_RB_GPIO);
+ gpio_line_config(N2_PB_GPIO, IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_HIGH);
+ gpio_line_isr_clear(N2_PB_GPIO);
+
+ init_timer(&n2lm_rsg_timer);
+ init_timer(&n2lm_rsr_timer);
+ init_timer(&n2lm_d1_timer);
+ init_timer(&n2lm_d2_timer);
+ init_timer(&n2rb_timer);
+ init_timer(&n2pb_timer);
+
+ *IXP4XX_GPIO_GPOER &= 0xfffffff0; //enable gpio 0-3
+ *IXP4XX_GPIO_GPOUTR |= 0x00000003; //turn off the leds
+ *IXP4XX_GPIO_GPOUTR &= 0xfffffffc;
+ n2lm_ledon(LED_ALL);
+ n2_beep(N2_BEEP_PITCH_MED, N2_BEEP_DUR_SHORT);
+ n2lm_ledoff(LED_ALL);
+
+ return;
+}
+
+//==================================================================================================
+
+static int __init n2iom_init(void)
+{
+ printk(KERN_INFO "NSLU2 Misc I/O Driver Version %s (C) Karen Spearel\n", VERSION);
+
+ init_jiffy = jiffies;
+ printk(KERN_DEBUG "init_jiffy=%ld\n",init_jiffy);
+ n2iom_initarch();
+
+ if (register_chrdev(N2RB_MAJOR, "n2_rb", &n2pb_fops) < NOERR) {
+ printk(KERN_DEBUG "Reset Button Major %d not available\n", N2RB_MAJOR);
+ return -EBUSY;
+ }
+ if (register_chrdev(N2PB_MAJOR, "n2_pb", &n2rb_fops) < NOERR) {
+ printk(KERN_DEBUG "Power Button Major %d not available\n", N2PB_MAJOR);
+ return -EBUSY;
+ }
+ if (register_chrdev(N2LM_MAJOR, "n2_leds", &n2lm_fops) < NOERR) {
+ printk(KERN_DEBUG "Led Manager Major %d not available\n", N2LM_MAJOR);
+ return -EBUSY;
+ }
+ if (request_irq(N2RB_IRQ, &n2rb_handler, SA_INTERRUPT, "n2_rb", NULL) < NOERR) {
+ printk(KERN_DEBUG "Reset Button IRQ %d not available\n", N2RB_IRQ);
+ return -EIO;
+ }
+ if (request_irq(N2PB_IRQ, &n2pb_handler, SA_INTERRUPT, "n2_pb", NULL) < NOERR) {
+ printk(KERN_DEBUG "Power Button IRQ %d not available\n", N2PB_IRQ);
+ return -EIO;
+ }
+
+ enable_irq(N2PB_IRQ);
+ enable_irq(N2RB_IRQ);
+ return (NOERR);
+}
+
+//==================================================================================================
+
+static void __exit n2iom_exit(void)
+{
+ remove_proc_entry(PWR_OFF_STR, NULL);
+ del_timer(&n2rb_timer);
+ free_irq(N2RB_IRQ,NULL);
+ unregister_chrdev(N2PB_MAJOR, "n2pb");
+ del_timer(&n2pb_timer);
+ free_irq(N2PB_IRQ, NULL);
+ unregister_chrdev(N2RB_MAJOR, "n2rb" );
+ del_timer(&n2lm_rsg_timer);
+ del_timer(&n2lm_rsr_timer);
+ del_timer(&n2lm_d1_timer);
+ del_timer(&n2lm_d2_timer);
+ unregister_chrdev(N2LM_MAJOR, "n2lm" );
+}
+
+module_init (n2iom_init);
+module_exit (n2iom_exit);
+
+MODULE_AUTHOR("Karen Spearel <kas11@tampabay.rr.com>");
+MODULE_DESCRIPTION("NSLU2 Buttons/LEDs IO Driver");
+MODULE_LICENSE("GPL");
+static int debug = 7;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Debugging enabled = 1");
+
diff --git a/linux/openslug-kernel-2.6.9/nslu2-part.c b/linux/openslug-kernel-2.6.9/nslu2-part.c
index e69de29bb2..6fbf952e2a 100644
--- a/linux/openslug-kernel-2.6.9/nslu2-part.c
+++ b/linux/openslug-kernel-2.6.9/nslu2-part.c
@@ -0,0 +1,120 @@
+/*
+ * nslu2-part.c
+ *
+ * Maintainers: http://www.nslu2-linux.org/
+ * Initial port: Mark Rakes <mrakes AT mac.com>
+ *
+ * "Parse" the fixed partition table of the Linksys NSLU2 and
+ * produce a Linux partition array to match.
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/vmalloc.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+
+/* info we know about the NSLU2's flash setup:
+ *
+ * Num Partition offset size
+ * --- --------- ---------- -----------
+ * 0 RedBoot 0x00000000 0x00040000
+ * 1 System Configuration 0x00040000 0x00020000
+ * 2 Kernel 0x00060000 0x00100000
+ * 3 Ramdisk 0x00160000 0x006a0000
+ */
+ #define NSLU2_NUM_FLASH_PARTITIONS 4
+ #define NSLU2_FLASH_PART0_NAME "RedBoot"
+ #define NSLU2_FLASH_PART0_OFFSET 0x00000000
+ #define NSLU2_FLASH_PART0_SIZE 0x00040000
+ #define NSLU2_FLASH_PART1_NAME "System Configuration"
+ #define NSLU2_FLASH_PART1_OFFSET (NSLU2_FLASH_PART0_OFFSET + NSLU2_FLASH_PART0_SIZE)
+ #define NSLU2_FLASH_PART1_SIZE 0x00020000
+ #define NSLU2_FLASH_PART2_NAME "Kernel"
+ #define NSLU2_FLASH_PART2_OFFSET (NSLU2_FLASH_PART1_OFFSET + NSLU2_FLASH_PART1_SIZE)
+ #define NSLU2_FLASH_PART2_SIZE 0x00100000
+ #define NSLU2_FLASH_PART3_NAME "Ramdisk"
+ #define NSLU2_FLASH_PART3_OFFSET (NSLU2_FLASH_PART2_OFFSET + NSLU2_FLASH_PART2_SIZE)
+ #define NSLU2_FLASH_PART3_SIZE 0x006a0000
+
+static int parse_nslu2_partitions(struct mtd_info *master,
+ struct mtd_partition **pparts,
+ unsigned long flash_start)
+{
+ struct mtd_partition *parts;
+ int ret = 0, namelen = 0;
+ char *names;
+
+ namelen = strlen(NSLU2_FLASH_PART0_NAME) +
+ strlen(NSLU2_FLASH_PART1_NAME) +
+ strlen(NSLU2_FLASH_PART2_NAME) +
+ strlen(NSLU2_FLASH_PART3_NAME) +
+ NSLU2_NUM_FLASH_PARTITIONS; /*4 strings + each terminator */
+
+ parts = kmalloc(sizeof(*parts)*NSLU2_NUM_FLASH_PARTITIONS + namelen, GFP_KERNEL);
+ if (!parts) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ memset(parts, 0, sizeof(*parts)*NSLU2_NUM_FLASH_PARTITIONS + namelen);
+ names = (char *)&parts[NSLU2_NUM_FLASH_PARTITIONS];
+
+ /* RedBoot partition */
+ parts[0].size = NSLU2_FLASH_PART0_SIZE;
+ parts[0].offset = NSLU2_FLASH_PART0_OFFSET;
+ parts[0].name = NSLU2_FLASH_PART0_NAME;
+ parts[0].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART0_NAME);
+ names += strlen(names)+1;
+ /* System Configuration */
+ parts[1].size = NSLU2_FLASH_PART1_SIZE;
+ parts[1].offset = NSLU2_FLASH_PART1_OFFSET;
+ parts[1].name = NSLU2_FLASH_PART1_NAME;
+ parts[1].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART1_NAME);
+ names += strlen(names)+1;
+ /* Kernel */
+ parts[2].size = NSLU2_FLASH_PART2_SIZE;
+ parts[2].offset = NSLU2_FLASH_PART2_OFFSET;
+ parts[2].name = NSLU2_FLASH_PART2_NAME;
+ parts[2].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART2_NAME);
+ names += strlen(names)+1;
+ /* Ramdisk */
+ parts[3].size = NSLU2_FLASH_PART3_SIZE;
+ parts[3].offset = NSLU2_FLASH_PART3_OFFSET;
+ parts[3].name = NSLU2_FLASH_PART3_NAME;
+ parts[3].mask_flags = MTD_WRITEABLE; /* readonly */
+ strcpy(names, NSLU2_FLASH_PART3_NAME);
+ names += strlen(names)+1;
+
+ ret = NSLU2_NUM_FLASH_PARTITIONS;
+ *pparts = parts;
+ out:
+ return ret;
+}
+
+static struct mtd_part_parser nslu2_parser = {
+ .owner = THIS_MODULE,
+ .parse_fn = parse_nslu2_partitions,
+ .name = "NSLU2",
+};
+
+static int __init nslu2_parser_init(void)
+{
+ return register_mtd_parser(&nslu2_parser);
+}
+
+static void __exit nslu2_parser_exit(void)
+{
+ deregister_mtd_parser(&nslu2_parser);
+}
+
+module_init(nslu2_parser_init);
+module_exit(nslu2_parser_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mark Rakes");
+MODULE_DESCRIPTION("Parsing code for NSLU2 flash tables");
diff --git a/linux/openslug-kernel-2.6.9/nslu2-pci.c b/linux/openslug-kernel-2.6.9/nslu2-pci.c
index e69de29bb2..7327c65a4f 100644
--- a/linux/openslug-kernel-2.6.9/nslu2-pci.c
+++ b/linux/openslug-kernel-2.6.9/nslu2-pci.c
@@ -0,0 +1,87 @@
+/*
+ * arch/arm/mach-ixp4xx/nslu2-pci.c
+ *
+ * NSLU2 board-level PCI initialization
+ *
+ * based on ixdp425-pci.c:
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * 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.
+ *
+ */
+// GPIO 8 is used as the power input so is not free for use as a PCI IRQ
+// However, all the common PCI setup code presumes the standard 4 PCI
+// interrupts are available. So we compromise...we don't enable the
+// IRQ on Pin 8 but we let
+
+#include <linux/config.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+
+#include <asm/mach/pci.h>
+#include <asm/irq.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+
+void __init nslu2_pci_preinit(void)
+{
+ gpio_line_config(NSLU2_PCI_INTA_PIN,
+ IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+ gpio_line_config(NSLU2_PCI_INTB_PIN,
+ IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+ gpio_line_config(NSLU2_PCI_INTC_PIN,
+ IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+// gpio_line_config(NSLU2_PCI_INTD_PIN,
+// IXP4XX_GPIO_IN | IXP4XX_GPIO_ACTIVE_LOW);
+
+ gpio_line_isr_clear(NSLU2_PCI_INTA_PIN);
+ gpio_line_isr_clear(NSLU2_PCI_INTB_PIN);
+ gpio_line_isr_clear(NSLU2_PCI_INTC_PIN);
+// gpio_line_isr_clear(NSLU2_PCI_INTD_PIN);
+
+ ixp4xx_pci_preinit();
+}
+
+static int __init nslu2_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ static int pci_irq_table[NSLU2_PCI_IRQ_LINES] = {
+ IRQ_NSLU2_PCI_INTA,
+ IRQ_NSLU2_PCI_INTB,
+ IRQ_NSLU2_PCI_INTC,
+// IRQ_NSLU2_PCI_INTD
+ };
+
+ int irq = -1;
+
+ if (slot >= 1 && slot <= NSLU2_PCI_MAX_DEV &&
+ pin >= 1 && pin <= NSLU2_PCI_IRQ_LINES) {
+ irq = pci_irq_table[(slot + pin - 2) % 3]; // ! % 4 kas11
+ }
+
+ return irq;
+}
+
+struct hw_pci __initdata nslu2_pci = {
+ .nr_controllers = 1,
+ .preinit = nslu2_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = ixp4xx_setup,
+ .scan = ixp4xx_scan_bus,
+ .map_irq = nslu2_map_irq,
+};
+
+int __init nslu2_pci_init(void) //monkey see, monkey do
+{
+ if (machine_is_nslu2())
+ pci_common_init(&nslu2_pci);
+ return 0;
+}
+
+subsys_initcall(nslu2_pci_init);
+
diff --git a/linux/openslug-kernel-2.6.9/nslu2-setup.c b/linux/openslug-kernel-2.6.9/nslu2-setup.c
index e69de29bb2..5698ea9813 100644
--- a/linux/openslug-kernel-2.6.9/nslu2-setup.c
+++ b/linux/openslug-kernel-2.6.9/nslu2-setup.c
@@ -0,0 +1,132 @@
+/*
+ * arch/arm/mach-ixp4xx/nslu2-setup.c
+ *
+ * NSLU2 board-setup
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Mark Rakes <mrakes at mac.com>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ * Fixed missing init_time in MACHINE_START kas11 10/22/04
+ * Changed to conform to new style __init ixdp425 kas11 10/22/04
+ */
+
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_core.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+#ifdef __ARMEB__
+#define REG_OFFSET 3
+#else
+#define REG_OFFSET 0
+#endif
+
+/*
+ * NSLU2 uses only one serial port
+ */
+static struct uart_port nslu2_serial_ports[] = {
+ {
+ .membase = (char*)(IXP4XX_UART1_BASE_VIRT + REG_OFFSET),
+ .mapbase = (IXP4XX_UART1_BASE_PHYS),
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ .line = 0,
+ .type = PORT_XSCALE,
+ .fifosize = 32
+ }
+#if 0
+ , {
+ .membase = (char*)(IXP4XX_UART2_BASE_VIRT + REG_OFFSET),
+ .mapbase = (IXP4XX_UART2_BASE_PHYS),
+ .irq = IRQ_IXP4XX_UART2,
+ .flags = UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ .line = 1,
+ .type = PORT_XSCALE,
+ .fifosize = 32
+ }
+#endif
+};
+
+void __init nslu2_map_io(void)
+{
+ early_serial_setup(&nslu2_serial_ports[0]);
+#if 0
+ early_serial_setup(&nslu2_serial_ports[1]);
+#endif
+ ixp4xx_map_io();
+}
+
+static struct flash_platform_data nslu2_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource nslu2_flash_resource = {
+ .start = NSLU2_FLASH_BASE,
+ .end = NSLU2_FLASH_BASE + NSLU2_FLASH_SIZE,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device nslu2_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &nslu2_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &nslu2_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins nslu2_i2c_gpio_pins = {
+ .sda_pin = NSLU2_SDA_PIN,
+ .scl_pin = NSLU2_SCL_PIN,
+};
+
+static struct platform_device nslu2_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev = {
+ .platform_data = &nslu2_i2c_gpio_pins,
+ },
+ .num_resources = 0
+};
+
+static struct platform_device *nslu2_devices[] __initdata = {
+ &nslu2_i2c_controller,
+ &nslu2_flash
+};
+
+static void __init nslu2_init(void)
+{
+ platform_add_devices(&nslu2_devices, ARRAY_SIZE(nslu2_devices));
+}
+
+MACHINE_START(NSLU2, "Linksys NSLU2")
+ MAINTAINER("www.nslu2-linux.org")
+ BOOT_MEM(PHYS_OFFSET, IXP4XX_PERIPHERAL_BASE_PHYS,
+ IXP4XX_PERIPHERAL_BASE_VIRT)
+ MAPIO(nslu2_map_io)
+ INITIRQ(ixp4xx_init_irq) //FIXME: all irq are off here
+ INITTIME(ixp4xx_init_time) //this was missing in 2.6.7 code ...soft reboot needed?
+ BOOT_PARAMS(0x0100)
+ INIT_MACHINE(nslu2_init)
+MACHINE_END
diff --git a/linux/openslug-kernel-2.6.9/nslu2.h b/linux/openslug-kernel-2.6.9/nslu2.h
index e69de29bb2..bb79aaa007 100644
--- a/linux/openslug-kernel-2.6.9/nslu2.h
+++ b/linux/openslug-kernel-2.6.9/nslu2.h
@@ -0,0 +1,43 @@
+/*
+ * include/asm-arm/arch-ixp4xx/nslu2.h
+ *
+ * NSLU2 platform specific definitions
+ *
+ * Author: Mark Rakes <mrakes AT mac.com>
+ * Maintainers: http://www.nslu2-linux.org
+ *
+ * based on ixdp425.h:
+ * Copyright 2004 (c) MontaVista, Software, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+// GPIO 8 is used as the power input so is not free for use as a PCI IRQ
+// kas11 11-2-04
+
+#ifndef __ASM_ARCH_HARDWARE_H__
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
+#define NSLU2_FLASH_BASE IXP4XX_EXP_BUS_CS0_BASE_PHYS
+#define NSLU2_FLASH_SIZE IXP4XX_EXP_BUS_CSX_REGION_SIZE
+
+#define NSLU2_SDA_PIN 7
+#define NSLU2_SCL_PIN 6
+
+/*
+ * NSLU2 PCI IRQs
+ */
+#define NSLU2_PCI_MAX_DEV 3
+#define NSLU2_PCI_IRQ_LINES 3
+
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define NSLU2_PCI_INTA_PIN 11
+#define NSLU2_PCI_INTB_PIN 10
+#define NSLU2_PCI_INTC_PIN 9
+//#define NSLU2_PCI_INTD_PIN 8
+
+
diff --git a/linux/openslug-kernel-2.6.9/x1205-rtc.c b/linux/openslug-kernel-2.6.9/x1205-rtc.c
index e69de29bb2..c194608ad6 100644
--- a/linux/openslug-kernel-2.6.9/x1205-rtc.c
+++ b/linux/openslug-kernel-2.6.9/x1205-rtc.c
@@ -0,0 +1,548 @@
+/*
+ x1205 - an 12c driver for the Xicor X1205 RTC
+ Copyright 2004 Karen Spearel
+
+ please send all reports to:
+ kas11 at tampabay dot rr dot com
+
+ based on linux/drivers/acron/char/pcf8583.h
+ Copyright (C) 2000 Russell King
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+/*
+
+ * i2c_adapter is the structure used to identify a physical i2c bus along
+ * with the access algorithms necessary to access it.
+
+struct i2c_adapter {
+ struct module *owner;
+ unsigned int id; == is algo->id | hwdep.struct->id, for registered values see below
+ unsigned int class;
+ struct i2c_algorithm *algo; the algorithm to access the bus
+ void *algo_data;
+
+ --- administration stuff.
+ int (*client_register)(struct i2c_client *);
+ int (*client_unregister)(struct i2c_client *);
+
+ data fields that are valid for all devices
+ struct semaphore bus_lock;
+ struct semaphore clist_lock;
+
+ int timeout;
+ int retries;
+ struct device dev; the adapter device
+ struct class_device class_dev; the class device
+
+#ifdef CONFIG_PROC_FS
+ No need to set this when you initialize the adapter
+ int inode;
+#endif def CONFIG_PROC_FS
+
+ int nr;
+ struct list_head clients;
+ struct list_head list;
+ char name[I2C_NAME_SIZE];
+ struct completion dev_released;
+ struct completion class_dev_released;
+};
+*/
+
+
+/*========== Driver for the X1205 on the Linksys NSLU2 ==================*/
+
+#include <linux/init.h>
+#include <linux/i2c.h>
+#include <linux/slab.h>
+#include <linux/string.h>
+#include <linux/errno.h>
+#include <linux/bcd.h>
+#include <linux/rtc.h>
+#include <linux/fs.h>
+#include <linux/proc_fs.h>
+#include <linux/miscdevice.h>
+#include <linux/device.h>
+#include <asm/uaccess.h>
+#include <asm/system.h>
+#include <linux/moduleparam.h>
+
+#define RTC_GETDATETIME 0
+#define RTC_SETTIME 1
+#define RTC_SETDATETIME 2
+
+#define I2C_M_WR 0 // just for consistancy
+
+// offsets into read buf - add 2 for write buf
+#define CCR_SEC 0
+#define CCR_MIN 1
+#define CCR_HOUR 2
+#define CCR_MDAY 3
+#define CCR_MONTH 4
+#define CCR_YEAR 5
+#define CCR_WDAY 6
+#define CCR_Y2K 7
+
+#define X1205_I2C_BUS_ADDR 0x6f // hardwired into x1205
+#define X1205_ALM0_BASE 0x00 // Base address of the ALM0
+#define X1205_CCR_BASE 0x30 // Base address of the CCR
+#define X1205_SR_ADDR 0x3f // Status Register
+#define X1205_SR_WEL 0x02 // Write Enable Latch bit
+#define X1205_SR_RWEL 0x04 // Register Write Enable Bit
+#define X1205_MILBIT 0x80 // this bit set in ccr.hour for 24 hr mode
+#define NOERR 0
+#define RTC_NODATE 0
+#define RTC_DATETOO 1
+
+// comment out next line is your x1205 can't do page writes
+//#define X1205PAGEWRITE 1
+#ifdef X1205PAGEWRITE
+#define DRIVERNAME "Xicor x1205 RTC Driver v0.9.3.3"
+#else
+#define DRIVERNAME "Xicor x1205 RTC Dvr v0.9.3.3NPW"
+#endif
+
+#define DEBUG KERN_DEBUG
+
+
+static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm, u8 reg_base);
+static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm, int datetoo, u8 reg_base);
+static int x1205_attach(struct i2c_adapter *adapter);
+static int x1205_detach(struct i2c_client *client);
+static int x1205_validate_tm(struct rtc_time *tm);
+static int x1205_command(struct i2c_client *client, unsigned int cmd, void *arg);
+static int x1205_sync_rtc(void);
+static int x1205_read(struct file *file, char *buf, size_t count, loff_t *ptr);
+static int x1205_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
+static int x1205_read_proc(char *buf, char **start, off_t off, int len, int *eof, void *data);
+
+static struct i2c_driver x1205_driver = {
+ .owner = THIS_MODULE,
+ .name = DRIVERNAME,
+ .id = I2C_DRIVERID_X1205,
+ .flags = I2C_DF_NOTIFY,
+ .attach_adapter = &x1205_attach, //we don't need to probe...x1205 is hardwired @ 0x6f
+ .detach_client = &x1205_detach,
+ .command = &x1205_command, //this prolly never gets called...used internally tho
+};
+
+static struct i2c_client x1205_i2c_client = {
+ .id = I2C_DRIVERID_X1205,
+ .flags = 0,
+ .addr = X1205_I2C_BUS_ADDR, // chip address - NOTE: 7bit
+ .adapter = NULL, // the adapter we sit on assigned in attach
+ .driver = &x1205_driver, // and our access routines
+ .usage_count = 0, // How many accesses currently to this client
+ .dev = {}, // the device structure
+ .list = {},
+ .name = DRIVERNAME,
+ .released = {},
+};
+
+static struct file_operations rtc_fops = {
+ owner: THIS_MODULE,
+ ioctl: x1205_ioctl,
+ read: x1205_read,
+};
+
+static struct miscdevice x1205_miscdev = {
+ .minor = RTC_MINOR,
+ .name = "rtc",
+ .fops = &rtc_fops,
+};
+extern int (*set_rtc)(void);
+static unsigned epoch = 1900; //coresponds to year 0
+static unsigned rtc_epoch = 2000;
+static const unsigned char days_in_mo[] =
+{31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+
+//===================================CODE======================================
+// in the routines that deal directly with the x1205 hardware, we use
+// rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch
+// Epoch is inited as 2000. Time is set to UT
+//=============================================================================
+static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm, u8 reg_base)
+{
+ static unsigned char addr[2] = { 0,} ;
+ unsigned char buf[8];
+ struct i2c_msg msgs[2] = {
+ { client->addr, I2C_M_WR, 2, addr }, //msg 1 = send base address
+ { client->addr, I2C_M_RD, 8, buf }, //msg 2 = read sequential data
+ };
+ addr[1] = reg_base;
+ if ((i2c_transfer(client->adapter, msgs, 2)) == 2) { //did we read 2 messages?
+ printk(KERN_DEBUG "raw x1205 read data - sec-%02x min-%02x hr-%02x mday-%02x mon-%02x year-%02x wday-%02x y2k-%02x\n",
+ buf[0],buf[1],buf[2],buf[3],buf[4],buf[5],buf[6], buf[7]);
+ tm->tm_sec = BCD2BIN(buf[CCR_SEC]);
+ tm->tm_min = BCD2BIN(buf[CCR_MIN]);
+ buf[CCR_HOUR] &= ~X1205_MILBIT;
+ tm->tm_hour = BCD2BIN(buf[CCR_HOUR]); //hr is 0-23
+ tm->tm_mday = BCD2BIN(buf[CCR_MDAY]);
+ tm->tm_mon = BCD2BIN(buf[CCR_MONTH]);
+ rtc_epoch = BCD2BIN(buf[CCR_Y2K]) * 100;
+ tm->tm_year = BCD2BIN(buf[CCR_YEAR]) + rtc_epoch - epoch;
+ tm->tm_wday = buf[CCR_WDAY];
+ printk(KERN_DEBUG "rtc_time output data - sec-%02d min-%02d hr-%02d mday-%02d mon-%02d year-%02d wday-%02d epoch-%d rtc_epoch-%d\n",
+ tm->tm_sec,tm->tm_min,tm->tm_hour,tm->tm_mday,tm->tm_mon,tm->tm_year,tm->tm_wday,epoch, rtc_epoch);
+ } else {
+ printk(KERN_DEBUG "i2c_transfer Read Error\n");
+ return -EIO;
+ }
+
+ return NOERR;
+}
+// x1205pagewrite allows writing a block of registers in msg3 even though the x1205 says
+// nothing about this in its spec.
+// it needs more testing as it is possible some x1205s are actually not-completely-
+// functional x1226s and there is a reason for the multiple write to not be in the spec.
+// anyhow, it is enabled for the time being...and we even push out luck by sending 10 bytes
+
+static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm, int datetoo, u8 reg_base)
+{
+ static unsigned char wel[3] = { 0, X1205_SR_ADDR, X1205_SR_WEL };
+ static unsigned char rwel[3] = { 0, X1205_SR_ADDR, X1205_SR_WEL | X1205_SR_RWEL };
+ static unsigned char diswe[3] = { 0, X1205_SR_ADDR, 0 };
+
+#ifdef X1205PAGEWRITE
+
+ static unsigned char buf[10] = { 0, X1205_CCR_BASE, };
+ struct i2c_msg msgs[4] = {
+ { client->addr, I2C_M_WR, 3, wel }, //msg 1 = write WEL to to ccr sr
+ { client->addr, I2C_M_WR, 3, rwel }, //msg 2 = write RWEL to ccr sr
+ { client->addr, I2C_M_WR, 10, buf }, //msg 3 = write ccr base addr +seq data
+ { client->addr, I2C_M_WR, 3, diswe }, //msg 4 = 0 to ccr sr to disable writes
+ };
+
+ msgs[2].len = 5; // 5 bytes + addr to set time only
+ buf [1] = reg_base;
+ buf[CCR_SEC+2] = BIN2BCD(tm->tm_sec);
+ buf[CCR_MIN+2] = BIN2BCD(tm->tm_min);
+ buf[CCR_HOUR+2] = BIN2BCD(tm->tm_hour) | X1205_MILBIT; // set 24 hour format
+ if (datetoo == 1) {
+ buf[CCR_MDAY+2] = BIN2BCD(tm->tm_mday);
+ buf[CCR_MONTH+2] = BIN2BCD(tm->tm_mon); // input is 0-11
+ buf[CCR_YEAR+2] = BIN2BCD((tm->tm_year + epoch - rtc_epoch)); // input is yrs since 1900
+ buf[CCR_WDAY+2] = tm->tm_wday & 7;
+ buf[CCR_Y2K+2] = BIN2BCD((rtc_epoch/100));
+ msgs[2].len += 5; //5 more bytes to set date
+ }
+ printk(KERN_DEBUG "rtc_time input - sec-%02d min-%02d hour-%02d mday-%02d mon-%02d year-%02d wday-%02d epoch-%d rtc_epoch-%d\n",
+ tm->tm_sec,tm->tm_min,tm->tm_hour,tm->tm_mday,tm->tm_mon,tm->tm_year,tm->tm_wday, epoch, rtc_epoch);
+ printk(KERN_DEBUG "BCD write data - sec-%02x min-%02x hour-%02x mday-%02x mon-%02x year-%02x wday-%02x y2k-%02x\n",
+ buf[2],buf[3],buf[4],buf[5],buf[6], buf[7], buf[8], buf[9]);
+
+ if ((i2c_transfer(client->adapter, msgs, 4)) != 4)
+ return -EIO;
+ return NOERR;
+
+#else //do this if page writes aren't working
+
+ int i,xfer;
+ static unsigned char data[3] = { 0,};
+ static unsigned char buf[8];
+
+ buf[CCR_SEC] = BIN2BCD(tm->tm_sec);
+ buf[CCR_MIN] = BIN2BCD(tm->tm_min);
+ buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_MILBIT; // set 24 hour format
+ if (datetoo == 1) {
+ buf[CCR_MDAY] = BIN2BCD(tm->tm_mday);
+ buf[CCR_MONTH] = BIN2BCD(tm->tm_mon); // input is 0-11
+ buf[CCR_YEAR] = BIN2BCD((tm->tm_year + epoch - rtc_epoch)); // input is yrs since 1900
+ buf[CCR_WDAY] = tm->tm_wday & 7;
+ buf[CCR_Y2K] = BIN2BCD((rtc_epoch/100));
+ }
+ printk(KERN_DEBUG "rtc_time input - sec-%02d min-%02d hour-%02d mday-%02d mon-%02d year-%02d wday-%02d epoch-%d rtc_epoch-%d\n",
+ tm->tm_sec,tm->tm_min,tm->tm_hour,tm->tm_mday,tm->tm_mon,tm->tm_year,tm->tm_wday, epoch, rtc_epoch);
+
+ xfer = i2c_master_send(client, wel, 3);
+ printk(KERN_DEBUG "wen - %x\n", xfer);
+ if (xfer != 3)
+ return -EIO;
+
+ xfer = i2c_master_send(client, rwel, 3);
+ printk(KERN_DEBUG "wenb - %x\n", xfer);
+ if (xfer != 3)
+ return -EIO;
+
+ for (i = 0; i < 8; i++) {
+ data[1] = i + reg_base;
+ data[2] = buf[i];
+ xfer = i2c_master_send(client, data, 3);
+ printk(KERN_DEBUG "xfer - %d addr - %02x data - %02x\n", xfer, data[1], data[2]);
+ if (xfer != 3)
+ return -EIO;
+ };
+
+ xfer = i2c_master_send(client, diswe, 3);
+ printk(KERN_DEBUG "wdis - %x\n", xfer);
+ if (xfer != 3)
+ return -EIO;
+ return NOERR;
+#endif
+}
+//=============================================================================
+
+static int x1205_attach(struct i2c_adapter *adapter)
+{
+ struct rtc_time tm;
+ struct timespec tv;
+ int errno;
+
+ x1205_i2c_client.adapter = adapter;
+ x1205_i2c_client.id++;
+
+ if ((x1205_get_datetime(&x1205_i2c_client, &tm, X1205_CCR_BASE)) != NOERR) //test for functional driver
+ return -EIO;
+
+ if ((errno = i2c_attach_client(&x1205_i2c_client)) != NOERR)
+ return errno;
+
+ tv.tv_nsec = tm.tm_sec * 10000000;
+ tv.tv_sec = mktime(tm.tm_year+epoch, tm.tm_mon+1, tm.tm_mday, tm.tm_hour,
+ tm.tm_min, tm.tm_sec);
+ do_settimeofday(&tv);
+ set_rtc = x1205_sync_rtc;
+
+ printk(KERN_DEBUG "%s attached on adapter %s\n",x1205_i2c_client.name,
+ x1205_i2c_client.adapter->name); //why is this name a null string?
+
+ return NOERR;
+}
+
+static int x1205_detach(struct i2c_client *client)
+{
+ int errno;
+
+ if ((errno = i2c_detach_client(client)) != 0) {
+ printk(KERN_DEBUG "i2c_detach failed - errno = %d\n", errno);
+ return errno;
+ }
+
+ return NOERR;
+}
+
+// make sure the rtc_time values are in bounds
+static int x1205_validate_tm(struct rtc_time *tm)
+{
+ tm->tm_year += 1900;
+
+ if (tm->tm_year < 1970)
+ return -EINVAL;
+
+ if ((tm->tm_mon > 11) || (tm->tm_mday == 0))
+ return -EINVAL;
+
+ if (tm->tm_mday > (days_in_mo[tm->tm_mon] + ( (tm->tm_mon == 1) &&
+ ((!(tm->tm_year % 4) && (tm->tm_year % 100) ) || !(tm->tm_year % 400)))))
+ return -EINVAL;
+
+ if ((tm->tm_year -= epoch) > 255)
+ return -EINVAL;
+
+ if ((tm->tm_hour >= 24) || (tm->tm_min >= 60) || (tm->tm_sec >= 60))
+ return -EINVAL;
+ return NOERR;
+}
+
+static int x1205_command(struct i2c_client *client, unsigned int cmd, void *tm)
+{
+ int errno, dodate = RTC_DATETOO;
+
+ if (client == NULL || tm == NULL)
+ return -EINVAL;
+ if (!capable(CAP_SYS_TIME))
+ return -EACCES;
+
+ printk(KERN_DEBUG "x1205_command %d\n", cmd);
+
+ switch (cmd) {
+ case RTC_GETDATETIME:
+ return x1205_get_datetime(client, tm, X1205_CCR_BASE);
+
+ case RTC_SETTIME: // note fall thru
+ dodate = RTC_NODATE;
+ case RTC_SETDATETIME:
+ if ((errno = x1205_validate_tm(tm)) < NOERR)
+ return errno;
+ return x1205_set_datetime(client, tm, dodate, X1205_CCR_BASE);
+
+ default:
+ return -EINVAL;
+ }
+}
+
+static int x1205_sync_rtc(void)
+{
+ struct rtc_time new_tm, old_tm;
+ unsigned long cur_secs = xtime.tv_sec;
+
+ printk(KERN_DEBUG "x1205_sync_rtc entry\n");
+
+ if (x1205_command(&x1205_i2c_client, RTC_GETDATETIME, &old_tm))
+ return 0;
+
+// xtime.tv_nsec = old_tm.tm_sec * 10000000; //FIXME:
+ new_tm.tm_sec = cur_secs % 60;
+ cur_secs /= 60;
+ new_tm.tm_min = cur_secs % 60;
+ cur_secs /= 60;
+ new_tm.tm_hour = cur_secs % 24;
+
+ /*
+ * avoid writing when we're going to change the day
+ * of the month. We will retry in the next minute.
+ * This basically means that if the RTC must not drift
+ * by more than 1 minute in 11 minutes.
+ */
+ if ((old_tm.tm_hour == 23 && old_tm.tm_min == 59) ||
+ (new_tm.tm_hour == 23 && new_tm.tm_min == 59))
+ return 1;
+ printk(KERN_DEBUG "x1205_sync_rtc exit\n");
+
+ return x1205_command(&x1205_i2c_client, RTC_SETTIME, &new_tm);
+}
+
+static int x1205_read(struct file *file, char *buf, size_t count, loff_t *ptr)
+{
+ struct rtc_time tm;
+
+ if ((x1205_get_datetime(&x1205_i2c_client, &tm, X1205_CCR_BASE)) < NOERR)
+ return -EIO;
+ return copy_to_user(buf, &tm, sizeof(tm)) ? -EFAULT : NOERR;
+}
+
+//==============================================================================
+
+static int x1205_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ struct rtc_time tm;
+ int errno;
+
+ printk(KERN_DEBUG "ioctl = %x\n", cmd);
+
+ switch (cmd) {
+ case RTC_RD_TIME:
+ if ((x1205_get_datetime(&x1205_i2c_client, &tm, X1205_CCR_BASE)) < NOERR)
+ return -EIO;
+ break;
+
+ case RTC_SET_TIME:
+ if (!capable(CAP_SYS_TIME))
+ return -EACCES;
+
+ if (copy_from_user(&tm, (struct rtc_time *) arg, sizeof(struct rtc_time)))
+ return -EFAULT;
+ if ((errno = x1205_validate_tm(&tm)) < NOERR)
+ return errno;
+ return x1205_set_datetime(&x1205_i2c_client, &tm, RTC_DATETOO, X1205_CCR_BASE);
+
+ case RTC_ALM_SET: //FIXME: set Control Regs
+ if (copy_from_user(&tm, (struct rtc_time *) arg, sizeof(struct rtc_time)))
+ return -EFAULT;
+ return x1205_set_datetime(&x1205_i2c_client, &tm, RTC_DATETOO, X1205_ALM0_BASE);
+
+ case RTC_ALM_READ:
+ if ((x1205_get_datetime(&x1205_i2c_client, &tm, X1205_ALM0_BASE)) < NOERR)
+ return -EIO;
+ break;
+
+ case RTC_EPOCH_READ:
+
+ return put_user (epoch, (unsigned long __user *)arg);
+
+ case RTC_EPOCH_SET:
+ if (arg < 1900)
+ return -EINVAL;
+
+ if (!capable(CAP_SYS_TIME))
+ return -EACCES;
+
+ epoch = arg;
+ return 0;
+
+ default:
+ return -ENOTTY;
+ }
+ return copy_to_user((void __user *)arg, &tm, sizeof tm) ? -EFAULT : 0;
+
+}
+
+static int x1205_read_proc(char *buf, char **start, off_t off, int len, int *eof, void *data)
+{
+ struct rtc_time tm;
+ int slen, errno;
+
+ if ((errno = x1205_get_datetime(&x1205_i2c_client, &tm, X1205_CCR_BASE)) < NOERR)
+ return errno;
+
+// here we return the real year and the month as 1-12 since it is human-readable
+ slen = sprintf(buf, "rtc_time\t: %02d:%02d:%02d\nrtc_date\t: %04d-%02d-%02d\n",
+ tm.tm_hour, tm.tm_min, tm.tm_sec, tm.tm_year + 1900, tm.tm_mon+1, tm.tm_mday);
+ printk(KERN_DEBUG "raw rtc_time\t: %02d:%02d:%02d\nraw rtc_date\t: %04d-%02d-%02d\n",
+ tm.tm_hour, tm.tm_min, tm.tm_sec, tm.tm_year, tm.tm_mon, tm.tm_mday);
+
+ if (slen <= off + len)
+ *eof = 1;
+ *start = buf + off;
+ slen -= off;
+ if (slen > len)
+ slen = len;
+ if ( slen < 0 )
+ slen = 0;
+
+ return slen;
+}
+
+static int __init x1205_init(void)
+{
+ struct rtc_time tm;
+ int errno;
+ printk(KERN_INFO "LOADED %s\n", DRIVERNAME);
+
+ if ((errno = i2c_add_driver(&x1205_driver)) != NOERR) {
+ dev_dbg(x1205_i2c_client.dev, "x1205_init failed - errno = %d\n", errno);
+ return (errno);
+ }
+ if ((errno = misc_register(&x1205_miscdev)) != NOERR) {
+ dev_dbg(x1205_i2c_client.dev, "Register Misc Driver failed - errno = %d\n", errno);
+ i2c_del_driver(&x1205_driver);
+ return errno;
+ }
+ if (create_proc_read_entry("driver/rtc", 0, NULL, x1205_read_proc, NULL) < NOERR)
+ return -ENOMEM;
+ if ((x1205_get_datetime(&x1205_i2c_client, &tm, X1205_CCR_BASE)) != NOERR) //test for functionality
+ return -EIO;
+
+ return NOERR;
+}
+
+static void __exit x1205_exit(void)
+{
+ remove_proc_entry("driver/rtc", NULL);
+ misc_deregister(&x1205_miscdev);
+ i2c_del_driver(&x1205_driver);
+ set_rtc = NULL;
+}
+
+MODULE_AUTHOR("Karen Spearel <kas11@tampabay.rr.com>");
+MODULE_DESCRIPTION("Xicor X1205-RTC Driver");
+MODULE_LICENSE("GPL");
+static int debug = 7;
+module_param(debug, bool, 0644);
+MODULE_PARM_DESC(debug, "Debugging enabled = 1");
+
+module_init(x1205_init);
+module_exit(x1205_exit);