Input: via-pmu - add input device support
[cascardo/linux.git] / drivers / macintosh / via-pmu.c
index 4f5f3ab..1ab4f16 100644 (file)
@@ -69,6 +69,8 @@
 #include <asm/open_pic.h>
 #endif
 
+#include "via-pmu-event.h"
+
 /* Some compile options */
 #undef SUSPEND_USES_PMU
 #define DEBUG_SLEEP
@@ -144,7 +146,6 @@ static int data_index;
 static int data_len;
 static volatile int adb_int_pending;
 static volatile int disable_poll;
-static struct adb_request bright_req_1, bright_req_2;
 static struct device_node *vias;
 static int pmu_kind = PMU_UNKNOWN;
 static int pmu_fully_inited = 0;
@@ -161,7 +162,7 @@ static int drop_interrupts;
 #if defined(CONFIG_PM) && defined(CONFIG_PPC32)
 static int option_lid_wakeup = 1;
 #endif /* CONFIG_PM && CONFIG_PPC32 */
-#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT)
+#if (defined(CONFIG_PM)&&defined(CONFIG_PPC32))||defined(CONFIG_PMAC_BACKLIGHT_LEGACY)
 static int sleep_in_progress;
 #endif
 static unsigned long async_req_locks;
@@ -187,7 +188,7 @@ extern int disable_kernel_backlight;
 
 int __fake_sleep;
 int asleep;
-struct notifier_block *sleep_notifier_list;
+BLOCKING_NOTIFIER_HEAD(sleep_notifier_list);
 
 #ifdef CONFIG_ADB
 static int adb_dev_map = 0;
@@ -208,10 +209,6 @@ static int proc_get_info(char *page, char **start, off_t off,
                          int count, int *eof, void *data);
 static int proc_get_irqstats(char *page, char **start, off_t off,
                          int count, int *eof, void *data);
-#ifdef CONFIG_PMAC_BACKLIGHT
-static int pmu_set_backlight_level(int level, void* data);
-static int pmu_set_backlight_enable(int on, int level, void* data);
-#endif /* CONFIG_PMAC_BACKLIGHT */
 static void pmu_pass_intr(unsigned char *data, int len);
 static int proc_get_batt(char *page, char **start, off_t off,
                        int count, int *eof, void *data);
@@ -292,13 +289,6 @@ static char *pbook_type[] = {
        "Core99"
 };
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-static struct backlight_controller pmu_backlight_controller = {
-       pmu_set_backlight_enable,
-       pmu_set_backlight_level
-};
-#endif /* CONFIG_PMAC_BACKLIGHT */
-
 int __init find_via_pmu(void)
 {
        u64 taddr;
@@ -417,8 +407,6 @@ static int __init via_pmu_start(void)
        if (vias == NULL)
                return -ENODEV;
 
-       bright_req_1.complete = 1;
-       bright_req_2.complete = 1;
        batt_req.complete = 1;
 
 #ifndef CONFIG_PPC_MERGE
@@ -483,9 +471,9 @@ static int __init via_pmu_dev_init(void)
                return -ENODEV;
 
 #ifdef CONFIG_PMAC_BACKLIGHT
-       /* Enable backlight */
-       register_backlight_controller(&pmu_backlight_controller, NULL, "pmu");
-#endif /* CONFIG_PMAC_BACKLIGHT */
+       /* Initialize backlight */
+       pmu_backlight_init(vias);
+#endif
 
 #ifdef CONFIG_PPC32
        if (machine_is_compatible("AAPL,3400/2400") ||
@@ -1424,7 +1412,7 @@ next:
 #ifdef CONFIG_INPUT_ADBHID
                        if (!disable_kernel_backlight)
 #endif /* CONFIG_INPUT_ADBHID */
-                               set_backlight_level(data[1] >> 4);
+                               pmac_backlight_set_legacy_brightness(data[1] >> 4);
 #endif /* CONFIG_PMAC_BACKLIGHT */
        }
        /* Tick interrupt */
@@ -1441,6 +1429,12 @@ 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);
        }
@@ -1674,61 +1668,6 @@ gpio1_interrupt(int irq, void *arg, struct pt_regs *regs)
        return IRQ_NONE;
 }
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-static int backlight_to_bright[] = {
-       0x7f, 0x46, 0x42, 0x3e, 0x3a, 0x36, 0x32, 0x2e,
-       0x2a, 0x26, 0x22, 0x1e, 0x1a, 0x16, 0x12, 0x0e
-};
-static int
-pmu_set_backlight_enable(int on, int level, void* data)
-{
-       struct adb_request req;
-       
-       if (vias == NULL)
-               return -ENODEV;
-
-       if (on) {
-               pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT,
-                           backlight_to_bright[level]);
-               pmu_wait_complete(&req);
-       }
-       pmu_request(&req, NULL, 2, PMU_POWER_CTRL,
-                   PMU_POW_BACKLIGHT | (on ? PMU_POW_ON : PMU_POW_OFF));
-               pmu_wait_complete(&req);
-
-       return 0;
-}
-
-static void
-pmu_bright_complete(struct adb_request *req)
-{
-       if (req == &bright_req_1)
-               clear_bit(1, &async_req_locks);
-       if (req == &bright_req_2)
-               clear_bit(2, &async_req_locks);
-}
-
-static int
-pmu_set_backlight_level(int level, void* data)
-{
-       if (vias == NULL)
-               return -ENODEV;
-
-       if (test_and_set_bit(1, &async_req_locks))
-               return -EAGAIN;
-       pmu_request(&bright_req_1, pmu_bright_complete, 2, PMU_BACKLIGHT_BRIGHT,
-               backlight_to_bright[level]);
-       if (test_and_set_bit(2, &async_req_locks))
-               return -EAGAIN;
-       pmu_request(&bright_req_2, pmu_bright_complete, 2, PMU_POWER_CTRL,
-                   PMU_POW_BACKLIGHT | (level > BACKLIGHT_OFF ?
-                                        PMU_POW_ON : PMU_POW_OFF));
-
-       return 0;
-}
-#endif /* CONFIG_PMAC_BACKLIGHT */
-
 void
 pmu_enable_irled(int on)
 {
@@ -2145,9 +2084,8 @@ pmac_suspend_devices(void)
                return -EBUSY;
        }
 
-       /* Wait for completion of async backlight requests */
-       while (!bright_req_1.complete || !bright_req_2.complete ||
-                       !batt_req.complete)
+       /* Wait for completion of async requests */
+       while (!batt_req.complete)
                pmu_poll();
 
        /* Giveup the lazy FPU & vec so we don't have to back them
@@ -2268,7 +2206,7 @@ static int powerbook_sleep_grackle(void)
                _set_L2CR(save_l2cr);
        
        /* Restore userland MMU context */
-       set_context(current->active_mm->context, current->active_mm->pgd);
+       set_context(current->active_mm->context.id, current->active_mm->pgd);
 
        /* Power things up */
        pmu_unlock();
@@ -2366,7 +2304,7 @@ powerbook_sleep_Core99(void)
                _set_L3CR(save_l3cr);
        
        /* Restore userland MMU context */
-       set_context(current->active_mm->context, current->active_mm->pgd);
+       set_context(current->active_mm->context.id, current->active_mm->pgd);
 
        /* Tell PMU we are ready */
        pmu_unlock();
@@ -2678,26 +2616,34 @@ pmu_ioctl(struct inode * inode, struct file *filp,
                        return put_user(1, argp);
 #endif /* CONFIG_PM && CONFIG_PPC32 */
 
-#ifdef CONFIG_PMAC_BACKLIGHT
-       /* Backlight should have its own device or go via
-        * the fbdev
-        */
+#ifdef CONFIG_PMAC_BACKLIGHT_LEGACY
+       /* Compatibility ioctl's for backlight */
        case PMU_IOC_GET_BACKLIGHT:
+       {
+               int brightness;
+
                if (sleep_in_progress)
                        return -EBUSY;
-               error = get_backlight_level();
-               if (error < 0)
-                       return error;
-               return put_user(error, argp);
+
+               brightness = pmac_backlight_get_legacy_brightness();
+               if (brightness < 0)
+                       return brightness;
+               else
+                       return put_user(brightness, argp);
+
+       }
        case PMU_IOC_SET_BACKLIGHT:
        {
-               __u32 value;
+               int brightness;
+
                if (sleep_in_progress)
                        return -EBUSY;
-               error = get_user(value, argp);
-               if (!error)
-                       error = set_backlight_level(value);
-               break;
+
+               error = get_user(brightness, argp);
+               if (error)
+                       return error;
+
+               return pmac_backlight_set_legacy_brightness(brightness);
        }
 #ifdef CONFIG_INPUT_ADBHID
        case PMU_IOC_GRAB_BACKLIGHT: {
@@ -2713,7 +2659,7 @@ pmu_ioctl(struct inode * inode, struct file *filp,
                return 0;
        }
 #endif /* CONFIG_INPUT_ADBHID */
-#endif /* CONFIG_PMAC_BACKLIGHT */
+#endif /* CONFIG_PMAC_BACKLIGHT_LEGACY */
        case PMU_IOC_GET_MODEL:
                return put_user(pmu_kind, argp);
        case PMU_IOC_HAS_ADB: