Esempi in C++ (Cpp) per radeon_bl_get_level_brightness

Esempio n. 1

File: radeon_backlight.c Progetto: Core2idiot/Kernel-Samsung-3.0...-

static int radeon_bl_update_status(struct backlight_device *bd)
{
	struct radeon_bl_privdata *pdata = bl_get_data(bd);
	struct radeonfb_info *rinfo = pdata->rinfo;
	u32 lvds_gen_cntl, tmpPixclksCntl;
	int level;

	if (rinfo->mon1_type != MT_LCD)
		return 0;

	/* We turn off the LCD completely instead of just dimming the
	 * backlight. This provides some greater power saving and the display
	 * is useless without backlight anyway.
	 */
        if (bd->props.power != FB_BLANK_UNBLANK ||
	    bd->props.fb_blank != FB_BLANK_UNBLANK)
		level = 0;
	else
		level = bd->props.brightness;

	del_timer_sync(&rinfo->lvds_timer);
	radeon_engine_idle();

	lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
	if (level > 0) {
		lvds_gen_cntl &= ~LVDS_DISPLAY_DIS;
		if (!(lvds_gen_cntl & LVDS_BLON) || !(lvds_gen_cntl & LVDS_ON)) {
			lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_DIGON);
			lvds_gen_cntl |= LVDS_BLON | LVDS_EN;
			OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
			lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
			lvds_gen_cntl |=
				(radeon_bl_get_level_brightness(pdata, level) <<
				 LVDS_BL_MOD_LEVEL_SHIFT);
			lvds_gen_cntl |= LVDS_ON;
			lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_BL_MOD_EN);
			rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
			mod_timer(&rinfo->lvds_timer,
				  jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
		} else {
			lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
			lvds_gen_cntl |=
				(radeon_bl_get_level_brightness(pdata, level) <<
				 LVDS_BL_MOD_LEVEL_SHIFT);
			OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
		}
		rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
		rinfo->init_state.lvds_gen_cntl |= rinfo->pending_lvds_gen_cntl
			& LVDS_STATE_MASK;
	} else {
		/* Asic bug, when turning off LVDS_ON, we have to make sure
		   RADEON_PIXCLK_LVDS_ALWAYS_ON bit is off
		*/
		tmpPixclksCntl = INPLL(PIXCLKS_CNTL);
		if (rinfo->is_mobility || rinfo->is_IGP)
			OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
		lvds_gen_cntl &= ~(LVDS_BL_MOD_LEVEL_MASK | LVDS_BL_MOD_EN);
		lvds_gen_cntl |= (radeon_bl_get_level_brightness(pdata, 0) <<
				  LVDS_BL_MOD_LEVEL_SHIFT);
		lvds_gen_cntl |= LVDS_DISPLAY_DIS;
		OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
		udelay(100);
		lvds_gen_cntl &= ~(LVDS_ON | LVDS_EN);
		OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
		lvds_gen_cntl &= ~(LVDS_DIGON);
		rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
		mod_timer(&rinfo->lvds_timer,
			  jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
		if (rinfo->is_mobility || rinfo->is_IGP)
			OUTPLL(PIXCLKS_CNTL, tmpPixclksCntl);
	}
	rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
	rinfo->init_state.lvds_gen_cntl |= (lvds_gen_cntl & LVDS_STATE_MASK);

	return 0;
}

Esempio n. 2

File: radeon_backlight.c Progetto: romanbb/android_kernel_lge_d851

static int radeon_bl_update_status(struct backlight_device *bd)
{
	struct radeon_bl_privdata *pdata = bl_get_data(bd);
	struct radeonfb_info *rinfo = pdata->rinfo;
	u32 lvds_gen_cntl, tmpPixclksCntl;
	int level;

	if (rinfo->mon1_type != MT_LCD)
		return 0;

	/*                                                           
                                                                      
                                        
  */
        if (bd->props.power != FB_BLANK_UNBLANK ||
	    bd->props.fb_blank != FB_BLANK_UNBLANK)
		level = 0;
	else
		level = bd->props.brightness;

	del_timer_sync(&rinfo->lvds_timer);
	radeon_engine_idle();

	lvds_gen_cntl = INREG(LVDS_GEN_CNTL);
	if (level > 0) {
		lvds_gen_cntl &= ~LVDS_DISPLAY_DIS;
		if (!(lvds_gen_cntl & LVDS_BLON) || !(lvds_gen_cntl & LVDS_ON)) {
			lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_DIGON);
			lvds_gen_cntl |= LVDS_BLON | LVDS_EN;
			OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
			lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
			lvds_gen_cntl |=
				(radeon_bl_get_level_brightness(pdata, level) <<
				 LVDS_BL_MOD_LEVEL_SHIFT);
			lvds_gen_cntl |= LVDS_ON;
			lvds_gen_cntl |= (rinfo->init_state.lvds_gen_cntl & LVDS_BL_MOD_EN);
			rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
			mod_timer(&rinfo->lvds_timer,
				  jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
		} else {
			lvds_gen_cntl &= ~LVDS_BL_MOD_LEVEL_MASK;
			lvds_gen_cntl |=
				(radeon_bl_get_level_brightness(pdata, level) <<
				 LVDS_BL_MOD_LEVEL_SHIFT);
			OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
		}
		rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
		rinfo->init_state.lvds_gen_cntl |= rinfo->pending_lvds_gen_cntl
			& LVDS_STATE_MASK;
	} else {
		/*                                                         
                                            
  */
		tmpPixclksCntl = INPLL(PIXCLKS_CNTL);
		if (rinfo->is_mobility || rinfo->is_IGP)
			OUTPLLP(PIXCLKS_CNTL, 0, ~PIXCLK_LVDS_ALWAYS_ONb);
		lvds_gen_cntl &= ~(LVDS_BL_MOD_LEVEL_MASK | LVDS_BL_MOD_EN);
		lvds_gen_cntl |= (radeon_bl_get_level_brightness(pdata, 0) <<
				  LVDS_BL_MOD_LEVEL_SHIFT);
		lvds_gen_cntl |= LVDS_DISPLAY_DIS;
		OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
		udelay(100);
		lvds_gen_cntl &= ~(LVDS_ON | LVDS_EN);
		OUTREG(LVDS_GEN_CNTL, lvds_gen_cntl);
		lvds_gen_cntl &= ~(LVDS_DIGON);
		rinfo->pending_lvds_gen_cntl = lvds_gen_cntl;
		mod_timer(&rinfo->lvds_timer,
			  jiffies + msecs_to_jiffies(rinfo->panel_info.pwr_delay));
		if (rinfo->is_mobility || rinfo->is_IGP)
			OUTPLL(PIXCLKS_CNTL, tmpPixclksCntl);
	}
	rinfo->init_state.lvds_gen_cntl &= ~LVDS_STATE_MASK;
	rinfo->init_state.lvds_gen_cntl |= (lvds_gen_cntl & LVDS_STATE_MASK);

	return 0;
}