Esempio n. 1
0
/* LCD BackLight */
static void
emxx_brightness_set(struct led_classdev *led_cdev, enum led_brightness value)
{
	int hw_val = (value * HW_MAX_BRIGHTNESS) / 255;

	if (hw_val < HW_MIN_BRIGHTNESS)
		hw_val = HW_MIN_BRIGHTNESS;
	if (hw_val > HW_MAX_BRIGHTNESS)
		hw_val = HW_MAX_BRIGHTNESS;
	pwc_reg_write(DA9052_LED1CONT_REG, hw_val);
	pwc_reg_write(DA9052_LED2CONT_REG, hw_val);
}
Esempio n. 2
0
static int emxx_light_probe(struct platform_device *pdev)
{
	/* Init LCD Backlight */
	pwc_reg_write(DA9052_LED1CONF_REG, 0xEA);  /* LCD panel max electric
						      current 15mA, set
						      14.986mA */
	pwc_reg_write(DA9052_LED1CONT_REG, 0xDF);
	pwc_reg_write(DA9052_LED2CONF_REG, 0xEA);  /* LCD panel max electric
						      current 15mA, set
						      14.986mA */
	pwc_reg_write(DA9052_LED2CONT_REG, 0xDF);
	led_classdev_register(&pdev->dev, &emxx_backlight_led);

	/* Init LED */
	platform_device_register(&emxx_leds);

	return 0;
}
Esempio n. 3
0
/*
 * DeInit CFI module
 */
static void emxx_cfi_disable(void)
{
	emxx_reset_device(EMXX_RST_CFI);
	emxx_close_clockgate(EMXX_CLK_CFI | EMXX_CLK_CFI_H);

#ifdef CONFIG_MACH_EMEV
	if ((system_rev & EMXX_REV_MASK) != EMXX_REV_ES1) {
#endif /* CONFIG_MACH_EMEV */
		/* card power off */
		pwc_reg_write(DA9052_LDO8_REG, 0x00);
		mdelay(2);
#ifdef CONFIG_MACH_EMEV
	}
#endif /* CONFIG_MACH_EMEV */
}
Esempio n. 4
0
/*
 * Init CFI module
 */
static void emxx_cfi_enable(void)
{
	u32 val;

#ifdef CONFIG_MACH_EMEV
	if ((system_rev & EMXX_REV_MASK) != EMXX_REV_ES1) {
#endif /* CONFIG_MACH_EMEV */
		emxx_reset_device(EMXX_RST_CFI);
		emxx_close_clockgate(EMXX_CLK_CFI | EMXX_CLK_CFI_H);
		/* card power on */
		pwc_reg_write(DA9052_LDO8_REG, 0x6A);
		udelay(300);
#ifdef CONFIG_MACH_EMEV
	}
#endif /* CONFIG_MACH_EMEV */

	emxx_open_clockgate(EMXX_CLK_CFI | EMXX_CLK_CFI_H);
	emxx_unreset_device(EMXX_RST_CFI);

	/* config the CFI work in the PIO mode,  hardware reset, 16 bit data */
	writel(CFI_CONTROL_0_IDE, EMXX_CFI_CONTROL_0);

	/* hardware reset release in CFI module */
	val = readl(EMXX_CFI_CONTROL_0) | CFI_CONTROL_0_HRST;
	writel(val, EMXX_CFI_CONTROL_0);

	/* disable all the interrupts */
	writel(0x00000000, EMXX_CFI_CONTROL_1);

	/* clear all the interrupt */
	writel(0xffffffff, EMXX_CFI_INTERRUPT);

	/* PIO mode access timing confige */
	writel(0x00001319, EMXX_CFI_TIMING_1);

	/* setting for PIO */
	val = readl(EMXX_CFI_BUSIF_CTRL) & 0xFFFFFF00;
	writel(val | 0x00000062 | emxx_cfi_burst_mode, EMXX_CFI_BUSIF_CTRL);
}