1 files changed, 50 insertions, 122 deletions

diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c
index 43243cf7410..a8ac66cd3b1 100644
--- a/drivers/macintosh/windfarm_pm91.c
+++ b/drivers/macintosh/windfarm_pm91.c
@@ -41,7 +41,6 @@
 #include <asm/prom.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
-#include <asm/system.h>
 #include <asm/sections.h>
 #include <asm/smu.h>
 
@@ -63,8 +62,6 @@
  */
 #undef HACKED_OVERTEMP
 
-static struct device *wf_smu_dev;
-
 /* Controls & sensors */
 static struct wf_sensor	*sensor_cpu_power;
 static struct wf_sensor	*sensor_cpu_temp;
@@ -79,6 +76,7 @@ static struct wf_control *cpufreq_clamp;
 
 /* Set to kick the control loop into life */
 static int wf_smu_all_controls_ok, wf_smu_all_sensors_ok, wf_smu_started;
+static bool wf_smu_overtemp;
 
 /* Failure handling.. could be nicer */
 #define FAILURE_FAN		0x01
@@ -144,7 +142,7 @@ static struct wf_smu_slots_fans_state *wf_smu_slots_fans;
 static void wf_smu_create_cpu_fans(void)
 {
 	struct wf_cpu_pid_param pid_param;
-	struct smu_sdbp_header *hdr;
+	const struct smu_sdbp_header *hdr;
 	struct smu_sdbp_cpupiddata *piddata;
 	struct smu_sdbp_fvt *fvt;
 	s32 tmax, tdelta, maxpow, powadj;
@@ -195,8 +193,8 @@ static void wf_smu_create_cpu_fans(void)
 	pid_param.ttarget = tmax - tdelta;
 	pid_param.pmaxadj = maxpow - powadj;
 
-	pid_param.min = fan_cpu_main->ops->get_min(fan_cpu_main);
-	pid_param.max = fan_cpu_main->ops->get_max(fan_cpu_main);
+	pid_param.min = wf_control_get_min(fan_cpu_main);
+	pid_param.max = wf_control_get_max(fan_cpu_main);
 
 	wf_cpu_pid_init(&wf_smu_cpu_fans->pid, &pid_param);
 
@@ -229,7 +227,7 @@ static void wf_smu_cpu_fans_tick(struct wf_smu_cpu_fans_state *st)
 	}
 	st->ticks = WF_SMU_CPU_FANS_INTERVAL;
 
-	rc = sensor_cpu_temp->ops->get_value(sensor_cpu_temp, &temp);
+	rc = wf_sensor_get(sensor_cpu_temp, &temp);
 	if (rc) {
 		printk(KERN_WARNING "windfarm: CPU temp sensor error %d\n",
 		       rc);
@@ -237,7 +235,7 @@ static void wf_smu_cpu_fans_tick(struct wf_smu_cpu_fans_state *st)
 		return;
 	}
 
-	rc = sensor_cpu_power->ops->get_value(sensor_cpu_power, &power);
+	rc = wf_sensor_get(sensor_cpu_power, &power);
 	if (rc) {
 		printk(KERN_WARNING "windfarm: CPU power sensor error %d\n",
 		       rc);
@@ -264,8 +262,7 @@ static void wf_smu_cpu_fans_tick(struct wf_smu_cpu_fans_state *st)
 	st->cpu_setpoint = new_setpoint;
  readjust:
 	if (fan_cpu_main && wf_smu_failure_state == 0) {
-		rc = fan_cpu_main->ops->set_value(fan_cpu_main,
-						  st->cpu_setpoint);
+		rc = wf_control_set(fan_cpu_main, st->cpu_setpoint);
 		if (rc) {
 			printk(KERN_WARNING "windfarm: CPU main fan"
 			       " error %d\n", rc);
@@ -273,8 +270,7 @@ static void wf_smu_cpu_fans_tick(struct wf_smu_cpu_fans_state *st)
 		}
 	}
 	if (fan_cpu_second && wf_smu_failure_state == 0) {
-		rc = fan_cpu_second->ops->set_value(fan_cpu_second,
-						    st->cpu_setpoint);
+		rc = wf_control_set(fan_cpu_second, st->cpu_setpoint);
 		if (rc) {
 			printk(KERN_WARNING "windfarm: CPU second fan"
 			       " error %d\n", rc);
@@ -282,8 +278,7 @@ static void wf_smu_cpu_fans_tick(struct wf_smu_cpu_fans_state *st)
 		}
 	}
 	if (fan_cpu_third && wf_smu_failure_state == 0) {
-		rc = fan_cpu_main->ops->set_value(fan_cpu_third,
-						  st->cpu_setpoint);
+		rc = wf_control_set(fan_cpu_third, st->cpu_setpoint);
 		if (rc) {
 			printk(KERN_WARNING "windfarm: CPU third fan"
 			       " error %d\n", rc);
@@ -315,8 +310,8 @@ static void wf_smu_create_drive_fans(void)
 
 	/* Fill PID params */
 	param.additive = (fan_hd->type == WF_CONTROL_RPM_FAN);
-	param.min = fan_hd->ops->get_min(fan_hd);
-	param.max = fan_hd->ops->get_max(fan_hd);
+	param.min = wf_control_get_min(fan_hd);
+	param.max = wf_control_get_max(fan_hd);
 	wf_pid_init(&wf_smu_drive_fans->pid, &param);
 
 	DBG("wf: Drive Fan control initialized.\n");
@@ -341,7 +336,7 @@ static void wf_smu_drive_fans_tick(struct wf_smu_drive_fans_state *st)
 	}
 	st->ticks = st->pid.param.interval;
 
-	rc = sensor_hd_temp->ops->get_value(sensor_hd_temp, &temp);
+	rc = wf_sensor_get(sensor_hd_temp, &temp);
 	if (rc) {
 		printk(KERN_WARNING "windfarm: HD temp sensor error %d\n",
 		       rc);
@@ -364,7 +359,7 @@ static void wf_smu_drive_fans_tick(struct wf_smu_drive_fans_state *st)
 	st->setpoint = new_setpoint;
  readjust:
 	if (fan_hd && wf_smu_failure_state == 0) {
-		rc = fan_hd->ops->set_value(fan_hd, st->setpoint);
+		rc = wf_control_set(fan_hd, st->setpoint);
 		if (rc) {
 			printk(KERN_WARNING "windfarm: HD fan error %d\n",
 			       rc);
@@ -396,8 +391,8 @@ static void wf_smu_create_slots_fans(void)
 
 	/* Fill PID params */
 	param.additive = (fan_slots->type == WF_CONTROL_RPM_FAN);
-	param.min = fan_slots->ops->get_min(fan_slots);
-	param.max = fan_slots->ops->get_max(fan_slots);
+	param.min = wf_control_get_min(fan_slots);
+	param.max = wf_control_get_max(fan_slots);
 	wf_pid_init(&wf_smu_slots_fans->pid, &param);
 
 	DBG("wf: Slots Fan control initialized.\n");
@@ -422,7 +417,7 @@ static void wf_smu_slots_fans_tick(struct wf_smu_slots_fans_state *st)
 	}
 	st->ticks = st->pid.param.interval;
 
-	rc = sensor_slots_power->ops->get_value(sensor_slots_power, &power);
+	rc = wf_sensor_get(sensor_slots_power, &power);
 	if (rc) {
 		printk(KERN_WARNING "windfarm: Slots power sensor error %d\n",
 		       rc);
@@ -447,7 +442,7 @@ static void wf_smu_slots_fans_tick(struct wf_smu_slots_fans_state *st)
 	st->setpoint = new_setpoint;
  readjust:
 	if (fan_slots && wf_smu_failure_state == 0) {
-		rc = fan_slots->ops->set_value(fan_slots, st->setpoint);
+		rc = wf_control_set(fan_slots, st->setpoint);
 		if (rc) {
 			printk(KERN_WARNING "windfarm: Slots fan error %d\n",
 			       rc);
@@ -458,45 +453,6 @@ static void wf_smu_slots_fans_tick(struct wf_smu_slots_fans_state *st)
 
 
 /*
- * ****** Attributes ******
- *
- */
-
-#define BUILD_SHOW_FUNC_FIX(name, data)				\
-static ssize_t show_##name(struct device *dev,                  \
-			   struct device_attribute *attr,       \
-			   char *buf)	                        \
-{								\
-	ssize_t r;						\
-	s32 val = 0;                                            \
-	data->ops->get_value(data, &val);                       \
-	r = sprintf(buf, "%d.%03d", FIX32TOPRINT(val)); 	\
-	return r;						\
-}                                                               \
-static DEVICE_ATTR(name,S_IRUGO,show_##name, NULL);
-
-
-#define BUILD_SHOW_FUNC_INT(name, data)				\
-static ssize_t show_##name(struct device *dev,                  \
-			   struct device_attribute *attr,       \
-			   char *buf)	                        \
-{								\
-	s32 val = 0;                                            \
-	data->ops->get_value(data, &val);                       \
-	return sprintf(buf, "%d", val);  			\
-}                                                               \
-static DEVICE_ATTR(name,S_IRUGO,show_##name, NULL);
-
-BUILD_SHOW_FUNC_INT(cpu_fan, fan_cpu_main);
-BUILD_SHOW_FUNC_INT(hd_fan, fan_hd);
-BUILD_SHOW_FUNC_INT(slots_fan, fan_slots);
-
-BUILD_SHOW_FUNC_FIX(cpu_temp, sensor_cpu_temp);
-BUILD_SHOW_FUNC_FIX(cpu_power, sensor_cpu_power);
-BUILD_SHOW_FUNC_FIX(hd_temp, sensor_hd_temp);
-BUILD_SHOW_FUNC_FIX(slots_power, sensor_slots_power);
-
-/*
  * ****** Setup / Init / Misc ... ******
  *
  */
@@ -562,6 +518,7 @@ static void wf_smu_tick(void)
 	if (new_failure & FAILURE_OVERTEMP) {
 		wf_set_overtemp();
 		wf_smu_skipping = 2;
+		wf_smu_overtemp = true;
 	}
 
 	/* We only clear the overtemp condition if overtemp is cleared
@@ -570,8 +527,10 @@ static void wf_smu_tick(void)
 	 * the control loop levels, but we don't want to keep it clear
 	 * here in this case
 	 */
-	if (new_failure == 0 && last_failure & FAILURE_OVERTEMP)
+	if (!wf_smu_failure_state && wf_smu_overtemp) {
 		wf_clear_overtemp();
+		wf_smu_overtemp = false;
+	}
 }
 
 
@@ -581,10 +540,8 @@ static void wf_smu_new_control(struct wf_control *ct)
 		return;
 
 	if (fan_cpu_main == NULL && !strcmp(ct->name, "cpu-rear-fan-0")) {
-		if (wf_get_control(ct) == 0) {
+		if (wf_get_control(ct) == 0)
 			fan_cpu_main = ct;
-			device_create_file(wf_smu_dev, &dev_attr_cpu_fan);
-		}
 	}
 
 	if (fan_cpu_second == NULL && !strcmp(ct->name, "cpu-rear-fan-1")) {
@@ -603,17 +560,13 @@ static void wf_smu_new_control(struct wf_control *ct)
 	}
 
 	if (fan_hd == NULL && !strcmp(ct->name, "drive-bay-fan")) {
-		if (wf_get_control(ct) == 0) {
+		if (wf_get_control(ct) == 0)
 			fan_hd = ct;
-			device_create_file(wf_smu_dev, &dev_attr_hd_fan);
-		}
 	}
 
 	if (fan_slots == NULL && !strcmp(ct->name, "slots-fan")) {
-		if (wf_get_control(ct) == 0) {
+		if (wf_get_control(ct) == 0)
 			fan_slots = ct;
-			device_create_file(wf_smu_dev, &dev_attr_slots_fan);
-		}
 	}
 
 	if (fan_cpu_main && (fan_cpu_second || fan_cpu_third) && fan_hd &&
@@ -627,31 +580,23 @@ static void wf_smu_new_sensor(struct wf_sensor *sr)
 		return;
 
 	if (sensor_cpu_power == NULL && !strcmp(sr->name, "cpu-power")) {
-		if (wf_get_sensor(sr) == 0) {
+		if (wf_get_sensor(sr) == 0)
 			sensor_cpu_power = sr;
-			device_create_file(wf_smu_dev, &dev_attr_cpu_power);
-		}
 	}
 
 	if (sensor_cpu_temp == NULL && !strcmp(sr->name, "cpu-temp")) {
-		if (wf_get_sensor(sr) == 0) {
+		if (wf_get_sensor(sr) == 0)
 			sensor_cpu_temp = sr;
-			device_create_file(wf_smu_dev, &dev_attr_cpu_temp);
-		}
 	}
 
 	if (sensor_hd_temp == NULL && !strcmp(sr->name, "hd-temp")) {
-		if (wf_get_sensor(sr) == 0) {
+		if (wf_get_sensor(sr) == 0)
 			sensor_hd_temp = sr;
-			device_create_file(wf_smu_dev, &dev_attr_hd_temp);
-		}
 	}
 
 	if (sensor_slots_power == NULL && !strcmp(sr->name, "slots-power")) {
-		if (wf_get_sensor(sr) == 0) {
+		if (wf_get_sensor(sr) == 0)
 			sensor_slots_power = sr;
-			device_create_file(wf_smu_dev, &dev_attr_slots_power);
-		}
 	}
 
 	if (sensor_cpu_power && sensor_cpu_temp &&
@@ -694,16 +639,14 @@ static int wf_init_pm(void)
 	return 0;
 }
 
-static int wf_smu_probe(struct device *ddev)
+static int wf_smu_probe(struct platform_device *ddev)
 {
-	wf_smu_dev = ddev;
-
 	wf_register_client(&wf_smu_events);
 
 	return 0;
 }
 
-static int wf_smu_remove(struct device *ddev)
+static int wf_smu_remove(struct platform_device *ddev)
 {
 	wf_unregister_client(&wf_smu_events);
 
@@ -720,61 +663,44 @@ static int wf_smu_remove(struct device *ddev)
 	 * with that except by adding locks all over... I'll do that
 	 * eventually but heh, who ever rmmod this module anyway ?
 	 */
-	if (sensor_cpu_power) {
-		device_remove_file(wf_smu_dev, &dev_attr_cpu_power);
+	if (sensor_cpu_power)
 		wf_put_sensor(sensor_cpu_power);
-	}
-	if (sensor_cpu_temp) {
-		device_remove_file(wf_smu_dev, &dev_attr_cpu_temp);
+	if (sensor_cpu_temp)
 		wf_put_sensor(sensor_cpu_temp);
-	}
-	if (sensor_hd_temp) {
-		device_remove_file(wf_smu_dev, &dev_attr_hd_temp);
+	if (sensor_hd_temp)
 		wf_put_sensor(sensor_hd_temp);
-	}
-	if (sensor_slots_power) {
-		device_remove_file(wf_smu_dev, &dev_attr_slots_power);
+	if (sensor_slots_power)
 		wf_put_sensor(sensor_slots_power);
-	}
 
 	/* Release all controls */
-	if (fan_cpu_main) {
-		device_remove_file(wf_smu_dev, &dev_attr_cpu_fan);
+	if (fan_cpu_main)
 		wf_put_control(fan_cpu_main);
-	}
 	if (fan_cpu_second)
 		wf_put_control(fan_cpu_second);
 	if (fan_cpu_third)
 		wf_put_control(fan_cpu_third);
-	if (fan_hd) {
-		device_remove_file(wf_smu_dev, &dev_attr_hd_fan);
+	if (fan_hd)
 		wf_put_control(fan_hd);
-	}
-	if (fan_slots) {
-		device_remove_file(wf_smu_dev, &dev_attr_slots_fan);
+	if (fan_slots)
 		wf_put_control(fan_slots);
-	}
 	if (cpufreq_clamp)
 		wf_put_control(cpufreq_clamp);
 
 	/* Destroy control loops state structures */
-	if (wf_smu_slots_fans)
-		kfree(wf_smu_cpu_fans);
-	if (wf_smu_drive_fans)
-		kfree(wf_smu_cpu_fans);
-	if (wf_smu_cpu_fans)
-		kfree(wf_smu_cpu_fans);
-
-	wf_smu_dev = NULL;
+	kfree(wf_smu_slots_fans);
+	kfree(wf_smu_drive_fans);
+	kfree(wf_smu_cpu_fans);
 
 	return 0;
 }
 
-static struct device_driver wf_smu_driver = {
-        .name = "windfarm",
-        .bus = &platform_bus_type,
+static struct platform_driver wf_smu_driver = {
         .probe = wf_smu_probe,
         .remove = wf_smu_remove,
+	.driver = {
+		.name = "windfarm",
+		.owner	= THIS_MODULE,
+	},
 };
 
 
@@ -782,7 +708,7 @@ static int __init wf_smu_init(void)
 {
 	int rc = -ENODEV;
 
-	if (machine_is_compatible("PowerMac9,1"))
+	if (of_machine_is_compatible("PowerMac9,1"))
 		rc = wf_init_pm();
 
 	if (rc == 0) {
@@ -790,9 +716,10 @@ static int __init wf_smu_init(void)
 		request_module("windfarm_smu_controls");
 		request_module("windfarm_smu_sensors");
 		request_module("windfarm_lm75_sensor");
+		request_module("windfarm_cpufreq_clamp");
 
 #endif /* MODULE */
-		driver_register(&wf_smu_driver);
+		platform_driver_register(&wf_smu_driver);
 	}
 
 	return rc;
@@ -801,7 +728,7 @@ static int __init wf_smu_init(void)
 static void __exit wf_smu_exit(void)
 {
 
-	driver_unregister(&wf_smu_driver);
+	platform_driver_unregister(&wf_smu_driver);
 }
 
 
@@ -812,3 +739,4 @@ MODULE_AUTHOR("Benjamin Herrenschmidt <benh@kernel.crashing.org>");
 MODULE_DESCRIPTION("Thermal control logic for PowerMac9,1");
 MODULE_LICENSE("GPL");
 
+MODULE_ALIAS("platform:windfarm");