Merge master.kernel.org:/pub/scm/linux/kernel/git/mchehab/v4l-dvb

[powerpc.git] / drivers / macintosh / via-pmu.c

diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 2a355ae..ea38680 100644 (file)
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -16,12 +16,10 @@
  *    a sleep or a freq. switch
  *  - Move sleep code out of here to pmac_pm, merge into new
  *    common PM infrastructure
- *  - Move backlight code out as well
  *  - Save/Restore PCI space properly
  *
  */
 #include <stdarg.h>
-#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
@@ -61,13 +59,9 @@
 #include <asm/mmu_context.h>
 #include <asm/cputable.h>
 #include <asm/time.h>
-#ifdef CONFIG_PMAC_BACKLIGHT
 #include <asm/backlight.h>
-#endif
 
-#ifdef CONFIG_PPC32
-#include <asm/open_pic.h>
-#endif
+#include "via-pmu-event.h"
 
 /* Some compile options */
 #undef SUSPEND_USES_PMU
@@ -150,7 +144,7 @@ static int pmu_fully_inited = 0;
 static int pmu_has_adb;
 static struct device_node *gpio_node;
 static unsigned char __iomem *gpio_reg = NULL;
-static int gpio_irq = -1;
+static int gpio_irq = NO_IRQ;
 static int gpio_irq_enabled = -1;
 static volatile int pmu_suspended = 0;
 static spinlock_t pmu_lock;
@@ -180,10 +174,6 @@ static int query_batt_timer = BATTERY_POLLING_COUNT;
 static struct adb_request batt_req;
 static struct proc_dir_entry *proc_pmu_batt[PMU_MAX_BATTERIES];
 
-#if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
-extern int disable_kernel_backlight;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */
-
 int __fake_sleep;
 int asleep;
 BLOCKING_NOTIFIER_HEAD(sleep_notifier_list);
@@ -402,22 +392,21 @@ static int __init pmu_init(void)
  */
 static int __init via_pmu_start(void)
 {
+       unsigned int irq;
+
        if (vias == NULL)
                return -ENODEV;
 
        batt_req.complete = 1;
 
-#ifndef CONFIG_PPC_MERGE
-       if (pmu_kind == PMU_KEYLARGO_BASED)
-               openpic_set_irq_priority(vias->intrs[0].line,
-                                        OPENPIC_PRIORITY_DEFAULT + 1);
-#endif
-
-       if (request_irq(vias->intrs[0].line, via_pmu_interrupt, 0, "VIA-PMU",
-                       (void *)0)) {
-               printk(KERN_ERR "VIA-PMU: can't get irq %d\n",
-                      vias->intrs[0].line);
-               return -EAGAIN;
+       irq = irq_of_parse_and_map(vias, 0);
+       if (irq == NO_IRQ) {
+               printk(KERN_ERR "via-pmu: can't map interruptn");
+               return -ENODEV;
+       }
+       if (request_irq(irq, via_pmu_interrupt, 0, "VIA-PMU", (void *)0)) {
+               printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
+               return -ENODEV;
        }
 
        if (pmu_kind == PMU_KEYLARGO_BASED) {
@@ -425,10 +414,10 @@ static int __init via_pmu_start(void)
                if (gpio_node == NULL)
                        gpio_node = of_find_node_by_name(NULL,
                                                         "pmu-interrupt");
-               if (gpio_node && gpio_node->n_intrs > 0)
-                       gpio_irq = gpio_node->intrs[0].line;
+               if (gpio_node)
+                       gpio_irq = irq_of_parse_and_map(gpio_node, 0);
 
-               if (gpio_irq != -1) {
+               if (gpio_irq != NO_IRQ) {
                        if (request_irq(gpio_irq, gpio1_interrupt, 0,
                                        "GPIO1 ADB", (void *)0))
                                printk(KERN_ERR "pmu: can't get irq %d"
@@ -470,7 +459,7 @@ static int __init via_pmu_dev_init(void)
 
 #ifdef CONFIG_PMAC_BACKLIGHT
        /* Initialize backlight */
-       pmu_backlight_init(vias);
+       pmu_backlight_init();
 #endif
 
 #ifdef CONFIG_PPC32
@@ -1407,11 +1396,8 @@ next:
        else if ((1 << pirq) & PMU_INT_SNDBRT) {
 #ifdef CONFIG_PMAC_BACKLIGHT
                if (len == 3)
-#ifdef CONFIG_INPUT_ADBHID
-                       if (!disable_kernel_backlight)
-#endif /* CONFIG_INPUT_ADBHID */
-                               pmac_backlight_set_legacy_brightness(data[1] >> 4);
-#endif /* CONFIG_PMAC_BACKLIGHT */
+                       pmac_backlight_set_legacy_brightness_pmu(data[1] >> 4);
+#endif
        }
        /* Tick interrupt */
        else if ((1 << pirq) & PMU_INT_TICK) {
@@ -1427,6 +1413,12 @@ next:
                if (pmu_battery_count)
                        query_battery_state();
                pmu_pass_intr(data, len);
+               /* len == 6 is probably a bad check. But how do I
+                * know what PMU versions send what events here? */
+               if (len == 6) {
+                       via_pmu_event(PMU_EVT_POWER, !!(data[1]&8));
+                       via_pmu_event(PMU_EVT_LID, data[1]&1);
+               }
        } else {
               pmu_pass_intr(data, len);
        }
@@ -2412,7 +2404,7 @@ struct pmu_private {
        spinlock_t lock;
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
        int     backlight_locker;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */    
+#endif
 };
 
 static LIST_HEAD(all_pmu_pvt);
@@ -2462,7 +2454,7 @@ pmu_open(struct inode *inode, struct file *file)
        spin_lock_irqsave(&all_pvt_lock, flags);
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
        pp->backlight_locker = 0;
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */    
+#endif
        list_add(&pp->list, &all_pmu_pvt);
        spin_unlock_irqrestore(&all_pvt_lock, flags);
        file->private_data = pp;
@@ -2557,13 +2549,12 @@ pmu_release(struct inode *inode, struct file *file)
                spin_lock_irqsave(&all_pvt_lock, flags);
                list_del(&pp->list);
                spin_unlock_irqrestore(&all_pvt_lock, flags);
+
 #if defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT)
-               if (pp->backlight_locker) {
-                       spin_lock_irqsave(&pmu_lock, flags);
-                       disable_kernel_backlight--;
-                       spin_unlock_irqrestore(&pmu_lock, flags);
-               }
-#endif /* defined(CONFIG_INPUT_ADBHID) && defined(CONFIG_PMAC_BACKLIGHT) */
+               if (pp->backlight_locker)
+                       pmac_backlight_enable();
+#endif
+
                kfree(pp);
        }
        unlock_kernel();
@@ -2640,18 +2631,18 @@ pmu_ioctl(struct inode * inode, struct file *filp,
 #ifdef CONFIG_INPUT_ADBHID
        case PMU_IOC_GRAB_BACKLIGHT: {
                struct pmu_private *pp = filp->private_data;
-               unsigned long flags;
 
                if (pp->backlight_locker)
                        return 0;
+
                pp->backlight_locker = 1;
-               spin_lock_irqsave(&pmu_lock, flags);
-               disable_kernel_backlight++;
-               spin_unlock_irqrestore(&pmu_lock, flags);
+               pmac_backlight_disable();
+
                return 0;
        }
 #endif /* CONFIG_INPUT_ADBHID */
 #endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */
+
        case PMU_IOC_GET_MODEL:
                return put_user(pmu_kind, argp);
        case PMU_IOC_HAS_ADB: