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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 16:25:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-25 16:25:31 -0700
commitb20f9e5bddddb5ef0d743d6e0d409ffc8cf9fc56 (patch)
tree7654b53ebb9af77b5daeab696d1d48069ae631a1 /include/linux/gpio-fan.h
parent5260562754c0aa4b95eebb1f851eaccce7286365 (diff)
parentb11e7b3f3b56119194234085d42a633ceabd6aba (diff)
Merge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging
* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/staging: (24 commits) hwmon: lis3: Release resources in case of failure hwmon: lis3: Short explanations of platform data fields hwmon: lis3: Enhance lis3 selftest with IRQ line test hwmon: lis3: use block read to access data registers hwmon: lis3: Adjust fuzziness for 8 bit device hwmon: lis3: New parameters to platform data hwmon: lis3: restore axis enabled bits hwmon: lis3: Power on corrections hwmon: lis3: Update coordinates at polled device open hwmon: lis3: Cleanup interrupt handling hwmon: lis3: regulator control hwmon: lis3: pm_runtime support Kirkwood: add fan support for Network Space Max v2 hwmon: add generic GPIO fan driver hwmon: (coretemp) fix reading of microcode revision (v2) hwmon: ({core, pkg, via-cpu}temp) remove unnecessary CONFIG_HOTPLUG_CPU ifdefs hwmon: (pkgtemp) align driver initialization style with coretemp hwmon: LTC4261 Hardware monitoring driver hwmon: (lis3) add axes module parameter for custom axis-mapping hwmon: (hp_accel) Add HP Mini 510x family support ...
Diffstat (limited to 'include/linux/gpio-fan.h')
-rw-r--r--include/linux/gpio-fan.h36
1 files changed, 36 insertions, 0 deletions
diff --git a/include/linux/gpio-fan.h b/include/linux/gpio-fan.h
new file mode 100644
index 000000000000..096659169215
--- /dev/null
+++ b/include/linux/gpio-fan.h
@@ -0,0 +1,36 @@
+/*
+ * include/linux/gpio-fan.h
+ *
+ * Platform data structure for GPIO fan driver
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __LINUX_GPIO_FAN_H
+#define __LINUX_GPIO_FAN_H
+
+struct gpio_fan_alarm {
+ unsigned gpio;
+ unsigned active_low;
+};
+
+struct gpio_fan_speed {
+ int rpm;
+ int ctrl_val;
+};
+
+struct gpio_fan_platform_data {
+ int num_ctrl;
+ unsigned *ctrl; /* fan control GPIOs. */
+ struct gpio_fan_alarm *alarm; /* fan alarm GPIO. */
+ /*
+ * Speed conversion array: rpm from/to GPIO bit field.
+ * This array _must_ be sorted in ascending rpm order.
+ */
+ int num_speed;
+ struct gpio_fan_speed *speed;
+};
+
+#endif /* __LINUX_GPIO_FAN_H */