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path: root/drivers/macintosh/windfarm_pm91.c
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Diffstat (limited to 'drivers/macintosh/windfarm_pm91.c')
-rw-r--r--drivers/macintosh/windfarm_pm91.c75
1 files changed, 35 insertions, 40 deletions
diff --git a/drivers/macintosh/windfarm_pm91.c b/drivers/macintosh/windfarm_pm91.c
index 59e9ffe37c3..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
@@ -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);
@@ -523,6 +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
@@ -531,8 +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;
+ }
}
@@ -641,16 +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);
@@ -691,23 +687,20 @@ static int wf_smu_remove(struct device *ddev)
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,
+ },
};
@@ -715,7 +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) {
@@ -723,9 +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;
@@ -734,7 +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);
}
@@ -745,3 +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");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 13:06:12 +0000