vserver 2.0 rc7
[linux-2.6.git] / arch / ppc64 / kernel / pmac_time.c
index 06f3798..f248275 100644 (file)
@@ -6,6 +6,8 @@
  *
  * Paul Mackerras      August 1996.
  * Copyright (C) 1996 Paul Mackerras.
+ * Copyright (C) 2003-2005 Benjamin Herrenschmidt.
+ *
  */
 #include <linux/config.h>
 #include <linux/errno.h>
@@ -28,6 +30,7 @@
 #include <asm/machdep.h>
 #include <asm/time.h>
 #include <asm/nvram.h>
+#include <asm/smu.h>
 
 #undef DEBUG
 
@@ -55,54 +58,86 @@ extern void to_tm(int tim, struct rtc_time * tm);
 
 void __pmac pmac_get_rtc_time(struct rtc_time *tm)
 {
-       struct adb_request req;
-       unsigned int now;
-
-       /* Get the time from the RTC */
-       if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0)
-               return;
-       while (!req.complete)
-               pmu_poll();
-       if (req.reply_len != 4)
-               printk(KERN_ERR "pmac_get_rtc_time: got %d byte reply\n",
-                      req.reply_len);
-       now = (req.reply[0] << 24) + (req.reply[1] << 16)
-               + (req.reply[2] << 8) + req.reply[3];
-       DBG("get: %u -> %u\n", (int)now, (int)(now - RTC_OFFSET));
-       now -= RTC_OFFSET;
-
-       to_tm(now, tm);
-       tm->tm_year -= 1900;
-       tm->tm_mon -= 1;
+       switch(sys_ctrler) {
+#ifdef CONFIG_ADB_PMU
+       case SYS_CTRLER_PMU: {
+               /* TODO: Move that to a function in the PMU driver */
+               struct adb_request req;
+               unsigned int now;
+
+               if (pmu_request(&req, NULL, 1, PMU_READ_RTC) < 0)
+                       return;
+               pmu_wait_complete(&req);
+               if (req.reply_len != 4)
+                       printk(KERN_ERR "pmac_get_rtc_time: PMU returned a %d"
+                              " bytes reply\n", req.reply_len);
+               now = (req.reply[0] << 24) + (req.reply[1] << 16)
+                       + (req.reply[2] << 8) + req.reply[3];
+               DBG("get: %u -> %u\n", (int)now, (int)(now - RTC_OFFSET));
+               now -= RTC_OFFSET;
+
+               to_tm(now, tm);
+               tm->tm_year -= 1900;
+               tm->tm_mon -= 1;
        
-       DBG("-> tm_mday: %d, tm_mon: %d, tm_year: %d, %d:%02d:%02d\n",
-              tm->tm_mday, tm->tm_mon, tm->tm_year,
-              tm->tm_hour, tm->tm_min, tm->tm_sec);
+               DBG("-> tm_mday: %d, tm_mon: %d, tm_year: %d, %d:%02d:%02d\n",
+                   tm->tm_mday, tm->tm_mon, tm->tm_year,
+                   tm->tm_hour, tm->tm_min, tm->tm_sec);
+               break;
+       }
+#endif /* CONFIG_ADB_PMU */
+
+#ifdef CONFIG_PMAC_SMU
+       case SYS_CTRLER_SMU:
+               smu_get_rtc_time(tm);
+               break;
+#endif /* CONFIG_PMAC_SMU */
+       default:
+               ;
+       }
 }
 
 int __pmac pmac_set_rtc_time(struct rtc_time *tm)
 {
-       struct adb_request req;
-       unsigned int nowtime;
-
-       DBG("set: tm_mday: %d, tm_mon: %d, tm_year: %d, %d:%02d:%02d\n",
-              tm->tm_mday, tm->tm_mon, tm->tm_year,
-              tm->tm_hour, tm->tm_min, tm->tm_sec);
-
-       nowtime = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
-                        tm->tm_hour, tm->tm_min, tm->tm_sec);
-       DBG("-> %u -> %u\n", (int)nowtime, (int)(nowtime + RTC_OFFSET));
-       nowtime += RTC_OFFSET;
-
-       if (pmu_request(&req, NULL, 5, PMU_SET_RTC,
-                       nowtime >> 24, nowtime >> 16, nowtime >> 8, nowtime) < 0)
+       switch(sys_ctrler) {
+#ifdef CONFIG_ADB_PMU
+       case SYS_CTRLER_PMU: {
+               /* TODO: Move that to a function in the PMU driver */
+               struct adb_request req;
+               unsigned int nowtime;
+
+               DBG("set: tm_mday: %d, tm_mon: %d, tm_year: %d,"
+                   " %d:%02d:%02d\n",
+                   tm->tm_mday, tm->tm_mon, tm->tm_year,
+                   tm->tm_hour, tm->tm_min, tm->tm_sec);
+
+               nowtime = mktime(tm->tm_year + 1900, tm->tm_mon + 1,
+                                tm->tm_mday, tm->tm_hour, tm->tm_min,
+                                tm->tm_sec);
+
+               DBG("-> %u -> %u\n", (int)nowtime,
+                   (int)(nowtime + RTC_OFFSET));
+               nowtime += RTC_OFFSET;
+
+               if (pmu_request(&req, NULL, 5, PMU_SET_RTC,
+                               nowtime >> 24, nowtime >> 16,
+                               nowtime >> 8, nowtime) < 0)
+                       return -ENXIO;
+               pmu_wait_complete(&req);
+               if (req.reply_len != 0)
+                       printk(KERN_ERR "pmac_set_rtc_time: PMU returned a %d"
+                              " bytes reply\n", req.reply_len);
                return 0;
-       while (!req.complete)
-               pmu_poll();
-       if (req.reply_len != 0)
-               printk(KERN_ERR "pmac_set_rtc_time: got %d byte reply\n",
-                      req.reply_len);
-       return 1;
+       }
+#endif /* CONFIG_ADB_PMU */
+
+#ifdef CONFIG_PMAC_SMU
+       case SYS_CTRLER_SMU:
+               return smu_set_rtc_time(tm);
+#endif /* CONFIG_PMAC_SMU */
+       default:
+               return -ENODEV;
+       }
 }
 
 void __init pmac_get_boot_time(struct rtc_time *tm)