C++ (Cpp) BF_PWM_PERIODn_ACTIVE_STATE 예제들

예제 #1

파일: lcd_okaya7.c 프로젝트: uricanezu/linux-2.6.35.3-imx28

static int set_bl_intensity(struct mxs_platform_bl_data *data,
			    struct backlight_device *bd, int suspended)
{
	int intensity = bd->props.brightness;
	int scaled_int;

	if (bd->props.power != FB_BLANK_UNBLANK)
		intensity = 0;
	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
		intensity = 0;
	if (suspended)
		intensity = 0;

	scaled_int = ((intensity*2)+170);
	if(!intensity) scaled_int = 0;
	__raw_writel(BF_PWM_ACTIVEn_INACTIVE(scaled_int) |
		     BF_PWM_ACTIVEn_ACTIVE(0),
		     REGS_PWM_BASE + HW_PWM_ACTIVEn(4));
	__raw_writel(BF_PWM_PERIODn_CDIV(6) |	/* divide by 64 */
		     BF_PWM_PERIODn_INACTIVE_STATE(2) |	/* low */
		     BF_PWM_PERIODn_ACTIVE_STATE(3) |	/* high */
		     BF_PWM_PERIODn_PERIOD(399),
		     REGS_PWM_BASE + HW_PWM_PERIODn(4));
	return 0;
}

예제 #2

파일: lcd_lms430.c 프로젝트: traveller42/linux-2.6.28.mx233-falconwing

static int init_bl(struct stmp3xxx_platform_bl_data *data)
{
	int ret = 0;

	pwm_clk = clk_get(NULL, "pwm");
	if (IS_ERR(pwm_clk)) {
		ret = PTR_ERR(pwm_clk);
		goto out;
	}
	clk_enable(pwm_clk);
	stmp3xxx_reset_block(REGS_PWM_BASE, 1);

	ret = stmp3xxx_request_pin(PINID_PWM2, PIN_FUN1, "lcd_lms430");
	if (ret)
		goto out_mux;

	stmp3xxx_pin_voltage(PINID_PWM2, PIN_8MA, "lcd_lms430");
	stmp3xxx_pin_strength(PINID_PWM2, PIN_3_3V, "lcd_lms430");

	HW_PWM_ACTIVEn_WR(2, BF_PWM_ACTIVEn_INACTIVE(0) |
				BF_PWM_ACTIVEn_ACTIVE(0));
	HW_PWM_PERIODn_WR(2,
			BF_PWM_PERIODn_CDIV(6) | /* divide by 64 */
			BF_PWM_PERIODn_INACTIVE_STATE(2) | /* low */
			BF_PWM_PERIODn_ACTIVE_STATE(3) | /* high */
			BF_PWM_PERIODn_PERIOD(599));
	HW_PWM_CTRL_SET(BM_PWM_CTRL_PWM2_ENABLE);

	return 0;

out_mux:
	clk_put(pwm_clk);
out:
	return ret;
}

예제 #3

파일: lcd_43wvf1g.c 프로젝트: tiagolb/liboot-tz

static void free_bl(struct mxs_platform_bl_data *data)
{
	__raw_writel(BF_PWM_ACTIVEn_INACTIVE(0) |
		     BF_PWM_ACTIVEn_ACTIVE(0),
		     REGS_PWM_BASE + HW_PWM_ACTIVEn(2));
	__raw_writel(BF_PWM_PERIODn_CDIV(6) |	/* divide by 64 */
		     BF_PWM_PERIODn_INACTIVE_STATE(2) |	/* low */
		     BF_PWM_PERIODn_ACTIVE_STATE(3) |	/* high */
		     BF_PWM_PERIODn_PERIOD(599),
		     REGS_PWM_BASE + HW_PWM_PERIODn(2));
	__raw_writel(BM_PWM_CTRL_PWM2_ENABLE, REGS_PWM_BASE + HW_PWM_CTRL_CLR);

	clk_disable(pwm_clk);
	clk_put(pwm_clk);
}

예제 #4

파일: lcd_lms430.c 프로젝트: traveller42/linux-2.6.28.mx233-falconwing

static void free_bl(struct stmp3xxx_platform_bl_data *data)
{
	HW_PWM_ACTIVEn_WR(2, BF_PWM_ACTIVEn_INACTIVE(0) |
				BF_PWM_ACTIVEn_ACTIVE(0));
	HW_PWM_PERIODn_WR(2,
		BF_PWM_PERIODn_CDIV(6) | /* divide by 64 */
		BF_PWM_PERIODn_INACTIVE_STATE(2) | /* low */
		BF_PWM_PERIODn_ACTIVE_STATE(3) | /* high */
		BF_PWM_PERIODn_PERIOD(599));
	HW_PWM_CTRL_CLR(BM_PWM_CTRL_PWM2_ENABLE);
	stmp3xxx_pin_voltage(PINID_PWM2, PIN_4MA, "lcd_lms430");
	stmp3xxx_pin_strength(PINID_PWM2, PIN_1_8V, "lcd_lms430");

	stmp3xxx_release_pin(PINID_PWM2, "lcd_lms430");
	clk_disable(pwm_clk);
	clk_put(pwm_clk);
}

예제 #5

파일: lcd_okaya7.c 프로젝트: uricanezu/linux-2.6.35.3-imx28

static int init_bl(struct mxs_platform_bl_data *data)
{
	int ret = 0;
	pwm_clk = clk_get(NULL, "pwm");
	if (IS_ERR(pwm_clk)) {
		ret = PTR_ERR(pwm_clk);
		return ret;
	}
	clk_enable(pwm_clk);
	mxs_reset_block(REGS_PWM_BASE, 1);

	__raw_writel(BF_PWM_ACTIVEn_INACTIVE(400) |
		     BF_PWM_ACTIVEn_ACTIVE(0),
		     REGS_PWM_BASE + HW_PWM_ACTIVEn(4));
	__raw_writel(BF_PWM_PERIODn_CDIV(6) |	/* divide by 64 */
		     BF_PWM_PERIODn_INACTIVE_STATE(2) |	/* low */
		     BF_PWM_PERIODn_ACTIVE_STATE(3) |	/* high */
		     BF_PWM_PERIODn_PERIOD(599),
		     REGS_PWM_BASE + HW_PWM_PERIODn(4));
	__raw_writel(BM_PWM_CTRL_PWM4_ENABLE, REGS_PWM_BASE + HW_PWM_CTRL_SET);
	__raw_writel(BF_PINCTRL_DOUT3_DOUT(1 << 30), REGS_PINCTRL_BASE + HW_PINCTRL_DOUT3_SET);
	return 0;
}

예제 #6

파일: lcd_43wvf1g.c 프로젝트: tiagolb/liboot-tz

static int set_bl_intensity(struct mxs_platform_bl_data *data,
			    struct backlight_device *bd, int suspended)
{
	int intensity = bd->props.brightness;
	int scaled_int;

	if (bd->props.power != FB_BLANK_UNBLANK)
		intensity = 0;
	if (bd->props.fb_blank != FB_BLANK_UNBLANK)
		intensity = 0;
	if (suspended)
		intensity = 0;

	/*
	 * This is not too cool but what can we do?
	 * Luminance changes non-linearly...
	 */
	if (regulator_set_current_limit
	    (data->regulator, bl_to_power(intensity), bl_to_power(intensity)))
		return -EBUSY;

	scaled_int = values[intensity / 10];
	if (scaled_int < 100) {
		int rem = intensity - 10 * (intensity / 10);	/* r = i % 10; */
		scaled_int += rem * (values[intensity / 10 + 1] -
				     values[intensity / 10]) / 10;
	}
	__raw_writel(BF_PWM_ACTIVEn_INACTIVE(scaled_int) |
		     BF_PWM_ACTIVEn_ACTIVE(0),
		     REGS_PWM_BASE + HW_PWM_ACTIVEn(2));
	__raw_writel(BF_PWM_PERIODn_CDIV(6) |	/* divide by 64 */
		     BF_PWM_PERIODn_INACTIVE_STATE(2) |	/* low */
		     BF_PWM_PERIODn_ACTIVE_STATE(3) |	/* high */
		     BF_PWM_PERIODn_PERIOD(399),
		     REGS_PWM_BASE + HW_PWM_PERIODn(2));
	return 0;
}