summaryrefslogtreecommitdiff
path: root/include/pwm.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/pwm.h')
-rw-r--r--include/pwm.h72
1 files changed, 0 insertions, 72 deletions
diff --git a/include/pwm.h b/include/pwm.h
deleted file mode 100644
index 401d3dc0ec..0000000000
--- a/include/pwm.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/* Copyright 2012 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef __CROS_EC_PWM_H
-#define __CROS_EC_PWM_H
-
-/* The values are defined in board.h */
-enum pwm_channel;
-
-/**
- * Enable/disable a PWM channel.
- */
-void pwm_enable(enum pwm_channel ch, int enabled);
-
-/**
- * Get PWM channel enabled status.
- */
-int pwm_get_enabled(enum pwm_channel ch);
-
-/**
- * Set PWM channel duty cycle (0-65535).
- */
-void pwm_set_raw_duty(enum pwm_channel ch, uint16_t duty);
-
-/**
- * Get PWM channel duty cycle.
- */
-uint16_t pwm_get_raw_duty(enum pwm_channel ch);
-
-/**
- * Set PWM channel duty cycle (0-100).
- */
-void pwm_set_duty(enum pwm_channel ch, int percent);
-
-/**
- * Get PWM channel duty cycle.
- */
-int pwm_get_duty(enum pwm_channel ch);
-
-
-/* Flags for PWM config table */
-
-/**
- * PWM output signal is inverted, so 100% duty means always low
- */
-#define PWM_CONFIG_ACTIVE_LOW BIT(0)
-/**
- * PWM channel has a fan controller with a tach input and can auto-adjust
- * its duty cycle to produce a given fan RPM.
- */
-#define PWM_CONFIG_HAS_RPM_MODE BIT(1)
-/**
- * PWM clock select alternate source. The actual clock and alternate
- * source are chip dependent.
- */
-#define PWM_CONFIG_ALT_CLOCK BIT(2)
-/**
- * PWM channel has a complementary output signal which should be enabled in
- * addition to the primary output.
- */
-#define PWM_CONFIG_COMPLEMENTARY_OUTPUT BIT(3)
-/**
- * PWM channel must stay active in low-power idle, if enabled.
- */
-#define PWM_CONFIG_DSLEEP BIT(4)
-/**
- * PWM channel's IO type is open-drain, if enabled. (default IO is push-pull.)
- */
-#define PWM_CONFIG_OPEN_DRAIN BIT(5)
-#endif /* __CROS_EC_PWM_H */