2 files changed, 49 insertions, 0 deletions
diff --git a/lib/libgpio/gpio.c b/lib/libgpio/gpio.c
index 8170822..48642f5 100644
--- a/lib/libgpio/gpio.c
+++ b/lib/libgpio/gpio.c
@@ -276,3 +276,44 @@ gpio_pin_pulsate(gpio_handle_t handle, gpio_pin_t pin)
 {
 	return (gpio_pin_set_flag(handle, pin, GPIO_PIN_PULSATE));
 }
+
+int
+gpio_pin_pwm(gpio_handle_t handle, gpio_pin_t pin)
+{
+	return (gpio_pin_set_flag(handle, pin, GPIO_PIN_PWM));
+}
+
+int
+gpio_pwm_get(gpio_handle_t handle, gpio_pwm_t pwm, gpio_pin_t pin,
+    uint32_t reg, uint32_t *value)
+{
+	struct gpio_pwm_req pwmreq;
+
+	bzero(&pwmreq, sizeof(pwmreq));
+	pwmreq.gp_pwm = pwm;
+	pwmreq.gp_pwm_pin = pin;
+	pwmreq.gp_pwm_reg = reg;
+	if (ioctl(handle, GPIOPWMGET, &pwmreq) < 0)
+		return (-1);
+	*value = pwmreq.gp_pwm_value;
+
+	return (0);
+
+}
+
+int
+gpio_pwm_set(gpio_handle_t handle, gpio_pwm_t pwm, gpio_pin_t pin,
+    uint32_t reg, uint32_t value)
+{
+	struct gpio_pwm_req pwmreq;
+
+	bzero(&pwmreq, sizeof(pwmreq));
+	pwmreq.gp_pwm = pwm;
+	pwmreq.gp_pwm_pin = pin;
+	pwmreq.gp_pwm_reg = reg;
+	pwmreq.gp_pwm_value = value;
+	if (ioctl(handle, GPIOPWMSET, &pwmreq) < 0)
+		return (-1);
+
+	return (0);
+}
diff --git a/lib/libgpio/libgpio.h b/lib/libgpio/libgpio.h
index a832234..6cc258e 100644
--- a/lib/libgpio/libgpio.h
+++ b/lib/libgpio/libgpio.h
@@ -35,6 +35,7 @@ __BEGIN_DECLS
 
 #define	GPIO_INVALID_HANDLE -1
 typedef int gpio_handle_t;
+typedef int32_t gpio_pwm_t;
 typedef uint32_t gpio_pin_t;
 
 /*
@@ -104,6 +105,13 @@ int		gpio_pin_pulldown(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_invin(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_invout(gpio_handle_t, gpio_pin_t);
 int		gpio_pin_pulsate(gpio_handle_t, gpio_pin_t);
+int		gpio_pin_pwm(gpio_handle_t, gpio_pin_t);
+
+/* PWM Settings. */
+int		gpio_pwm_get(gpio_handle_t, gpio_pwm_t pwm, gpio_pin_t,
+    uint32_t, uint32_t *);
+int		gpio_pwm_set(gpio_handle_t, gpio_pwm_t pwm, gpio_pin_t,
+    uint32_t, uint32_t);
 
 __END_DECLS