diff options
Diffstat (limited to 'include/pwm.h')
-rw-r--r-- | include/pwm.h | 72 |
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 */ |