Exemplo n.º 1
0
static int radeon_bl_update_status(struct backlight_device *bd)
{
	struct radeon_bl_privdata *pdata = class_get_devdata(&bd->class_dev);
	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;
}
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;
}
Exemplo n.º 3
0
static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend)
{
	u16 pwr_cmd;
	u32 tmp;

	if (!rinfo->pm_reg)
		return;

	/* Set the chip into appropriate suspend mode (we use D2,
	 * D3 would require a compete re-initialization of the chip,
	 * including PCI config registers, clocks, AGP conf, ...)
	 */
	if (suspend) {
		printk(KERN_DEBUG "radeonfb: switching to D2 state...\n");

		/* Disable dynamic power management of clocks for the
		 * duration of the suspend/resume process
		 */
		radeon_pm_disable_dynamic_mode(rinfo);
		/* Save some registers */
		radeon_pm_save_regs(rinfo);

		/* Prepare mobility chips for suspend. Only do that on <= RV250 chips that
		 * have been tested
		 */
		if (rinfo->is_mobility && rinfo->family <= CHIP_FAMILY_RV250) {
			/* Program V2CLK */
			radeon_pm_program_v2clk(rinfo);
		
			/* Disable IO PADs */
			radeon_pm_disable_iopad(rinfo);

			/* Set low current */
			radeon_pm_low_current(rinfo);

			/* Prepare chip for power management */
			radeon_pm_setup_for_suspend(rinfo);

			/* Reset the MDLL */
			/* because both INPLL and OUTPLL take the same lock, that's why. */
			tmp = INPLL( pllMDLL_CKO) | MDLL_CKO__MCKOA_RESET | MDLL_CKO__MCKOB_RESET;
			OUTPLL( pllMDLL_CKO, tmp );
		}

		/* Switch PCI power managment to D2. */
		for (;;) {
			pci_read_config_word(
				rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
				&pwr_cmd);
			if (pwr_cmd & 2)
				break;			
			pci_write_config_word(
				rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL,
				(pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | 2);
			mdelay(500);
		}
	} else {
		printk(KERN_DEBUG "radeonfb: switching to D0 state...\n");

		/* Switch back PCI powermanagment to D0 */
		mdelay(200);
		pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, 0);
		mdelay(500);

		/* Reset the SDRAM controller  */
       		radeon_pm_full_reset_sdram(rinfo);
		
		/* Restore some registers */
		radeon_pm_restore_regs(rinfo);
		radeon_pm_enable_dynamic_mode(rinfo);
	}
}
Exemplo n.º 4
0
static void radeon_pm_enable_dll(struct radeonfb_info *rinfo)
{  
#define DLL_RESET_DELAY 	5
#define DLL_SLEEP_DELAY		1

	u32 DLL_CKO_Value = INPLL(pllMDLL_CKO)   | MDLL_CKO__MCKOA_SLEEP |  MDLL_CKO__MCKOA_RESET;
	u32 DLL_CKA_Value = INPLL(pllMDLL_RDCKA) | MDLL_RDCKA__MRDCKA0_SLEEP | MDLL_RDCKA__MRDCKA1_SLEEP | MDLL_RDCKA__MRDCKA0_RESET | MDLL_RDCKA__MRDCKA1_RESET;
	u32 DLL_CKB_Value = INPLL(pllMDLL_RDCKB) | MDLL_RDCKB__MRDCKB0_SLEEP | MDLL_RDCKB__MRDCKB1_SLEEP | MDLL_RDCKB__MRDCKB0_RESET | MDLL_RDCKB__MRDCKB1_RESET;

	/* Setting up the DLL range for write */
	OUTPLL(pllMDLL_CKO,   	DLL_CKO_Value);
	OUTPLL(pllMDLL_RDCKA,  	DLL_CKA_Value);
	OUTPLL(pllMDLL_RDCKB,	DLL_CKB_Value);

	mdelay( DLL_RESET_DELAY);

	/* Channel A */

	/* Power Up */
	DLL_CKO_Value &= ~(MDLL_CKO__MCKOA_SLEEP );
	OUTPLL(pllMDLL_CKO,   	DLL_CKO_Value);
	mdelay( DLL_SLEEP_DELAY);  		
   
	DLL_CKO_Value &= ~(MDLL_CKO__MCKOA_RESET );
	OUTPLL(pllMDLL_CKO,	DLL_CKO_Value);
	mdelay( DLL_RESET_DELAY);  		

	/* Power Up */
	DLL_CKA_Value &= ~(MDLL_RDCKA__MRDCKA0_SLEEP );
	OUTPLL(pllMDLL_RDCKA,  	DLL_CKA_Value);
	mdelay( DLL_SLEEP_DELAY);  		

	DLL_CKA_Value &= ~(MDLL_RDCKA__MRDCKA0_RESET );
	OUTPLL(pllMDLL_RDCKA,	DLL_CKA_Value);
	mdelay( DLL_RESET_DELAY);  		

	/* Power Up */
	DLL_CKA_Value &= ~(MDLL_RDCKA__MRDCKA1_SLEEP);
	OUTPLL(pllMDLL_RDCKA,	DLL_CKA_Value);
	mdelay( DLL_SLEEP_DELAY);  		

	DLL_CKA_Value &= ~(MDLL_RDCKA__MRDCKA1_RESET);
	OUTPLL(pllMDLL_RDCKA,	DLL_CKA_Value);
	mdelay( DLL_RESET_DELAY);  		


	/* Channel B */

	/* Power Up */
	DLL_CKO_Value &= ~(MDLL_CKO__MCKOB_SLEEP );
	OUTPLL(pllMDLL_CKO,   	DLL_CKO_Value);
	mdelay( DLL_SLEEP_DELAY);  		
   
	DLL_CKO_Value &= ~(MDLL_CKO__MCKOB_RESET );
	OUTPLL(pllMDLL_CKO,   	DLL_CKO_Value);
	mdelay( DLL_RESET_DELAY);  		

	/* Power Up */
	DLL_CKB_Value &= ~(MDLL_RDCKB__MRDCKB0_SLEEP);
	OUTPLL(pllMDLL_RDCKB,   DLL_CKB_Value);
	mdelay( DLL_SLEEP_DELAY);  		

	DLL_CKB_Value &= ~(MDLL_RDCKB__MRDCKB0_RESET);
	OUTPLL(pllMDLL_RDCKB,   DLL_CKB_Value);
	mdelay( DLL_RESET_DELAY);  		

	/* Power Up */
	DLL_CKB_Value &= ~(MDLL_RDCKB__MRDCKB1_SLEEP);
	OUTPLL(pllMDLL_RDCKB,   DLL_CKB_Value);
	mdelay( DLL_SLEEP_DELAY);  		

	DLL_CKB_Value &= ~(MDLL_RDCKB__MRDCKB1_RESET);
	OUTPLL(pllMDLL_RDCKB,   DLL_CKB_Value);
	mdelay( DLL_RESET_DELAY);  		

#undef DLL_RESET_DELAY 
#undef DLL_SLEEP_DELAY
}
Exemplo n.º 5
0
static void radeon_pm_setup_for_suspend(struct radeonfb_info *rinfo)
{

	u32 sclk_cntl, mclk_cntl, sclk_more_cntl;

	u32 pll_pwrmgt_cntl;
	u32 clk_pwrmgt_cntl;
	u32 clk_pin_cntl;
	u32 vclk_ecp_cntl; 
	u32 pixclks_cntl;
	u32 disp_mis_cntl;
	u32 disp_pwr_man;
	u32 tmp;
	
	/* Force Core Clocks */
	sclk_cntl = INPLL( pllSCLK_CNTL_M6);
	sclk_cntl |= 	SCLK_CNTL_M6__IDCT_MAX_DYN_STOP_LAT|
			SCLK_CNTL_M6__VIP_MAX_DYN_STOP_LAT|
			SCLK_CNTL_M6__RE_MAX_DYN_STOP_LAT|
			SCLK_CNTL_M6__PB_MAX_DYN_STOP_LAT|
			SCLK_CNTL_M6__TAM_MAX_DYN_STOP_LAT|
			SCLK_CNTL_M6__TDM_MAX_DYN_STOP_LAT|
			SCLK_CNTL_M6__RB_MAX_DYN_STOP_LAT|
			
			SCLK_CNTL_M6__FORCE_DISP2|
			SCLK_CNTL_M6__FORCE_CP|
			SCLK_CNTL_M6__FORCE_HDP|
			SCLK_CNTL_M6__FORCE_DISP1|
			SCLK_CNTL_M6__FORCE_TOP|
			SCLK_CNTL_M6__FORCE_E2|
			SCLK_CNTL_M6__FORCE_SE|
			SCLK_CNTL_M6__FORCE_IDCT|
			SCLK_CNTL_M6__FORCE_VIP|
			
			SCLK_CNTL_M6__FORCE_RE|
			SCLK_CNTL_M6__FORCE_PB|
			SCLK_CNTL_M6__FORCE_TAM|
			SCLK_CNTL_M6__FORCE_TDM|
			SCLK_CNTL_M6__FORCE_RB|
			SCLK_CNTL_M6__FORCE_TV_SCLK|
			SCLK_CNTL_M6__FORCE_SUBPIC|
			SCLK_CNTL_M6__FORCE_OV0;

	OUTPLL( pllSCLK_CNTL_M6, sclk_cntl);

	sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL);
	sclk_more_cntl |= 	SCLK_MORE_CNTL__FORCE_DISPREGS |
				SCLK_MORE_CNTL__FORCE_MC_GUI |
				SCLK_MORE_CNTL__FORCE_MC_HOST;

	OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl);		

	
	mclk_cntl = INPLL( pllMCLK_CNTL_M6);
	mclk_cntl &= ~(	MCLK_CNTL_M6__FORCE_MCLKA |  
			MCLK_CNTL_M6__FORCE_MCLKB |
			MCLK_CNTL_M6__FORCE_YCLKA | 
			MCLK_CNTL_M6__FORCE_YCLKB | 
			MCLK_CNTL_M6__FORCE_MC
		      );	
    	OUTPLL( pllMCLK_CNTL_M6, mclk_cntl);
	
	/* Force Display clocks	*/
	vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL);
	vclk_ecp_cntl &= ~(VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb |VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb);
	vclk_ecp_cntl |= VCLK_ECP_CNTL__ECP_FORCE_ON;
	OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl);
	
	
	pixclks_cntl = INPLL( pllPIXCLKS_CNTL);
	pixclks_cntl &= ~(	PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb | 
				PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb|
				PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb |
				PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb|
				PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb|
				PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb|
				PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb);
						
 	OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl);



	/* Enable System power management */
	pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL);
	
	pll_pwrmgt_cntl |= 	PLL_PWRMGT_CNTL__SPLL_TURNOFF |
				PLL_PWRMGT_CNTL__MPLL_TURNOFF|
				PLL_PWRMGT_CNTL__PPLL_TURNOFF|
				PLL_PWRMGT_CNTL__P2PLL_TURNOFF|
				PLL_PWRMGT_CNTL__TVPLL_TURNOFF;
						
	OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl);
	
	clk_pwrmgt_cntl	 = INPLL( pllCLK_PWRMGT_CNTL_M6);
	
	clk_pwrmgt_cntl &= ~(	CLK_PWRMGT_CNTL_M6__MPLL_PWRMGT_OFF|
				CLK_PWRMGT_CNTL_M6__SPLL_PWRMGT_OFF|
				CLK_PWRMGT_CNTL_M6__PPLL_PWRMGT_OFF|
				CLK_PWRMGT_CNTL_M6__P2PLL_PWRMGT_OFF|
				CLK_PWRMGT_CNTL_M6__MCLK_TURNOFF|
				CLK_PWRMGT_CNTL_M6__SCLK_TURNOFF|
				CLK_PWRMGT_CNTL_M6__PCLK_TURNOFF|
				CLK_PWRMGT_CNTL_M6__P2CLK_TURNOFF|
				CLK_PWRMGT_CNTL_M6__TVPLL_PWRMGT_OFF|
				CLK_PWRMGT_CNTL_M6__GLOBAL_PMAN_EN|
				CLK_PWRMGT_CNTL_M6__ENGINE_DYNCLK_MODE|
				CLK_PWRMGT_CNTL_M6__ACTIVE_HILO_LAT_MASK|
				CLK_PWRMGT_CNTL_M6__CG_NO1_DEBUG_MASK			
			);
						
	clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL_M6__GLOBAL_PMAN_EN | CLK_PWRMGT_CNTL_M6__DISP_PM;
	
	OUTPLL( pllCLK_PWRMGT_CNTL_M6, clk_pwrmgt_cntl);	
	
	clk_pin_cntl = INPLL( pllCLK_PIN_CNTL);
	
	clk_pin_cntl &= ~CLK_PIN_CNTL__ACCESS_REGS_IN_SUSPEND;

	/* because both INPLL and OUTPLL take the same lock, that's why. */
	tmp = INPLL( pllMCLK_MISC) | MCLK_MISC__EN_MCLK_TRISTATE_IN_SUSPEND;
	OUTPLL( pllMCLK_MISC, tmp);
	
	/* AGP PLL control */
	OUTREG(BUS_CNTL1, INREG(BUS_CNTL1) |  BUS_CNTL1__AGPCLK_VALID);

	OUTREG(BUS_CNTL1,
		(INREG(BUS_CNTL1) & ~BUS_CNTL1__MOBILE_PLATFORM_SEL_MASK)
		| (2<<BUS_CNTL1__MOBILE_PLATFORM_SEL__SHIFT));	// 440BX
	OUTREG(CRTC_OFFSET_CNTL, (INREG(CRTC_OFFSET_CNTL) & ~CRTC_OFFSET_CNTL__CRTC_STEREO_SYNC_OUT_EN));
	
	clk_pin_cntl &= ~CLK_PIN_CNTL__CG_CLK_TO_OUTPIN;
	clk_pin_cntl |= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb;	
	OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl);

	/* Solano2M */
	OUTREG(AGP_CNTL,
		(INREG(AGP_CNTL) & ~(AGP_CNTL__MAX_IDLE_CLK_MASK))
		| (0x20<<AGP_CNTL__MAX_IDLE_CLK__SHIFT));

	/* ACPI mode */
	/* because both INPLL and OUTPLL take the same lock, that's why. */
	tmp = INPLL( pllPLL_PWRMGT_CNTL) & ~PLL_PWRMGT_CNTL__PM_MODE_SEL;
	OUTPLL( pllPLL_PWRMGT_CNTL, tmp);


	disp_mis_cntl = INREG(DISP_MISC_CNTL);
	
	disp_mis_cntl &= ~(	DISP_MISC_CNTL__SOFT_RESET_GRPH_PP | 
				DISP_MISC_CNTL__SOFT_RESET_SUBPIC_PP | 
				DISP_MISC_CNTL__SOFT_RESET_OV0_PP |
				DISP_MISC_CNTL__SOFT_RESET_GRPH_SCLK|
				DISP_MISC_CNTL__SOFT_RESET_SUBPIC_SCLK|
				DISP_MISC_CNTL__SOFT_RESET_OV0_SCLK|
				DISP_MISC_CNTL__SOFT_RESET_GRPH2_PP|
				DISP_MISC_CNTL__SOFT_RESET_GRPH2_SCLK|
				DISP_MISC_CNTL__SOFT_RESET_LVDS|
				DISP_MISC_CNTL__SOFT_RESET_TMDS|
				DISP_MISC_CNTL__SOFT_RESET_DIG_TMDS|
				DISP_MISC_CNTL__SOFT_RESET_TV);
	
	OUTREG(DISP_MISC_CNTL, disp_mis_cntl);					
						
	disp_pwr_man = INREG(DISP_PWR_MAN);
	
	disp_pwr_man &= ~(	DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN	| 
						DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN |
						DISP_PWR_MAN__DISP_PWR_MAN_DPMS_MASK|		
						DISP_PWR_MAN__DISP_D3_RST|
						DISP_PWR_MAN__DISP_D3_REG_RST
					);
	
	disp_pwr_man |= DISP_PWR_MAN__DISP_D3_GRPH_RST|
					DISP_PWR_MAN__DISP_D3_SUBPIC_RST|
					DISP_PWR_MAN__DISP_D3_OV0_RST|
					DISP_PWR_MAN__DISP_D1D2_GRPH_RST|
					DISP_PWR_MAN__DISP_D1D2_SUBPIC_RST|
					DISP_PWR_MAN__DISP_D1D2_OV0_RST|
					DISP_PWR_MAN__DIG_TMDS_ENABLE_RST|
					DISP_PWR_MAN__TV_ENABLE_RST| 
//					DISP_PWR_MAN__AUTO_PWRUP_EN|
					0;
	
	OUTREG(DISP_PWR_MAN, disp_pwr_man);					
							
	clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL_M6);
	pll_pwrmgt_cntl = INPLL( pllPLL_PWRMGT_CNTL) ;
	clk_pin_cntl 	= INPLL( pllCLK_PIN_CNTL);
	disp_pwr_man	= INREG(DISP_PWR_MAN);
		
	
	/* D2 */
	clk_pwrmgt_cntl |= CLK_PWRMGT_CNTL_M6__DISP_PM;
	pll_pwrmgt_cntl |= PLL_PWRMGT_CNTL__MOBILE_SU | PLL_PWRMGT_CNTL__SU_SCLK_USE_BCLK;
	clk_pin_cntl	|= CLK_PIN_CNTL__XTALIN_ALWAYS_ONb;
	disp_pwr_man 	&= ~(DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN_MASK | DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN_MASK);							
						

	OUTPLL( pllCLK_PWRMGT_CNTL_M6, clk_pwrmgt_cntl);
	OUTPLL( pllPLL_PWRMGT_CNTL, pll_pwrmgt_cntl);
	OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl);
	OUTREG(DISP_PWR_MAN, disp_pwr_man);

	/* disable display request & disable display */
	OUTREG( CRTC_GEN_CNTL, (INREG( CRTC_GEN_CNTL) & ~CRTC_GEN_CNTL__CRTC_EN) | CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B);
	OUTREG( CRTC2_GEN_CNTL, (INREG( CRTC2_GEN_CNTL) & ~CRTC2_GEN_CNTL__CRTC2_EN) | CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B);

	mdelay(17);				   

}
Exemplo n.º 6
0
void radeon_pm_disable_dynamic_mode(struct radeonfb_info *rinfo)
{

	u32 sclk_cntl;
	u32 mclk_cntl;
	u32 sclk_more_cntl;
	
	u32 vclk_ecp_cntl;
	u32 pixclks_cntl;

	/* Mobility chips only, untested on M9+/M10/11 */
	if (!rinfo->is_mobility)
		return;
	if (rinfo->family > CHIP_FAMILY_RV250)
		return;
	
	/* Force Core Clocks */
	sclk_cntl = INPLL( pllSCLK_CNTL_M6);
	sclk_cntl |= 	SCLK_CNTL_M6__FORCE_CP|
			SCLK_CNTL_M6__FORCE_HDP|
			SCLK_CNTL_M6__FORCE_DISP1|
			SCLK_CNTL_M6__FORCE_DISP2|
			SCLK_CNTL_M6__FORCE_TOP|
			SCLK_CNTL_M6__FORCE_E2|
			SCLK_CNTL_M6__FORCE_SE|
			SCLK_CNTL_M6__FORCE_IDCT|
			SCLK_CNTL_M6__FORCE_VIP|
			SCLK_CNTL_M6__FORCE_RE|
			SCLK_CNTL_M6__FORCE_PB|
			SCLK_CNTL_M6__FORCE_TAM|
			SCLK_CNTL_M6__FORCE_TDM|
			SCLK_CNTL_M6__FORCE_RB|
			SCLK_CNTL_M6__FORCE_TV_SCLK|
			SCLK_CNTL_M6__FORCE_SUBPIC|
			SCLK_CNTL_M6__FORCE_OV0;
    	OUTPLL( pllSCLK_CNTL_M6, sclk_cntl);
	
	
	
	sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL);
	sclk_more_cntl |= 	SCLK_MORE_CNTL__FORCE_DISPREGS|
				SCLK_MORE_CNTL__FORCE_MC_GUI|
				SCLK_MORE_CNTL__FORCE_MC_HOST;	
	OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl);
	
	/* Force Display clocks	*/
	vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL);
	vclk_ecp_cntl &= ~(	VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb |
			 	VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb);

	OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl);
	
	pixclks_cntl = INPLL( pllPIXCLKS_CNTL);
	pixclks_cntl &= ~(	PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb |
			 	PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb|
				PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb |
				PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb|
				PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb|
				PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb|
				PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb);
						
 	OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl);

	/* Force Memory Clocks */
	mclk_cntl = INPLL( pllMCLK_CNTL_M6);
	mclk_cntl &= ~(	MCLK_CNTL_M6__FORCE_MCLKA |  
			MCLK_CNTL_M6__FORCE_MCLKB |
			MCLK_CNTL_M6__FORCE_YCLKA |
			MCLK_CNTL_M6__FORCE_YCLKB );
    	OUTPLL( pllMCLK_CNTL_M6, mclk_cntl);
}
Exemplo n.º 7
0
void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo)
{
	u32 clk_pwrmgt_cntl;
	u32 sclk_cntl;
	u32 sclk_more_cntl;
	u32 clk_pin_cntl;
	u32 pixclks_cntl;
	u32 vclk_ecp_cntl;
	u32 mclk_cntl;
	u32 mclk_misc;

	/* Mobility chips only, untested on M9+/M10/11 */
	if (!rinfo->is_mobility)
		return;
	if (rinfo->family > CHIP_FAMILY_RV250)
		return;
	
	/* Set Latencies */
	clk_pwrmgt_cntl = INPLL( pllCLK_PWRMGT_CNTL_M6);
	
	clk_pwrmgt_cntl &= ~(	 CLK_PWRMGT_CNTL_M6__ENGINE_DYNCLK_MODE_MASK|
				 CLK_PWRMGT_CNTL_M6__ACTIVE_HILO_LAT_MASK|
				 CLK_PWRMGT_CNTL_M6__DISP_DYN_STOP_LAT_MASK|
				 CLK_PWRMGT_CNTL_M6__DYN_STOP_MODE_MASK);
	/* Mode 1 */
	clk_pwrmgt_cntl = 	CLK_PWRMGT_CNTL_M6__MC_CH_MODE|
				CLK_PWRMGT_CNTL_M6__ENGINE_DYNCLK_MODE | 
				(1<<CLK_PWRMGT_CNTL_M6__ACTIVE_HILO_LAT__SHIFT) |
				(0<<CLK_PWRMGT_CNTL_M6__DISP_DYN_STOP_LAT__SHIFT)|
				(0<<CLK_PWRMGT_CNTL_M6__DYN_STOP_MODE__SHIFT);

	OUTPLL( pllCLK_PWRMGT_CNTL_M6, clk_pwrmgt_cntl);
						

	clk_pin_cntl = INPLL( pllCLK_PIN_CNTL);
	clk_pin_cntl |= CLK_PIN_CNTL__SCLK_DYN_START_CNTL;
	 
	OUTPLL( pllCLK_PIN_CNTL, clk_pin_cntl);

	/* Enable Dyanmic mode for SCLK */

	sclk_cntl = INPLL( pllSCLK_CNTL_M6);	
	sclk_cntl &= SCLK_CNTL_M6__SCLK_SRC_SEL_MASK;
	sclk_cntl |= SCLK_CNTL_M6__FORCE_VIP;		

	OUTPLL( pllSCLK_CNTL_M6, sclk_cntl);


	sclk_more_cntl = INPLL(pllSCLK_MORE_CNTL);
	sclk_more_cntl &= ~(SCLK_MORE_CNTL__FORCE_DISPREGS);
				                    
	OUTPLL(pllSCLK_MORE_CNTL, sclk_more_cntl);

	
	/* Enable Dynamic mode for PIXCLK & PIX2CLK */

	pixclks_cntl = INPLL( pllPIXCLKS_CNTL);
	
	pixclks_cntl|=  PIXCLKS_CNTL__PIX2CLK_ALWAYS_ONb | 
			PIXCLKS_CNTL__PIX2CLK_DAC_ALWAYS_ONb|
			PIXCLKS_CNTL__PIXCLK_BLEND_ALWAYS_ONb|
			PIXCLKS_CNTL__PIXCLK_GV_ALWAYS_ONb|
			PIXCLKS_CNTL__PIXCLK_DIG_TMDS_ALWAYS_ONb|
			PIXCLKS_CNTL__PIXCLK_LVDS_ALWAYS_ONb|
			PIXCLKS_CNTL__PIXCLK_TMDS_ALWAYS_ONb;

	OUTPLL( pllPIXCLKS_CNTL, pixclks_cntl);
		
		
	vclk_ecp_cntl = INPLL( pllVCLK_ECP_CNTL);
	
	vclk_ecp_cntl|=  VCLK_ECP_CNTL__PIXCLK_ALWAYS_ONb | 
			 VCLK_ECP_CNTL__PIXCLK_DAC_ALWAYS_ONb;

	OUTPLL( pllVCLK_ECP_CNTL, vclk_ecp_cntl);


	/* Enable Dynamic mode for MCLK	*/

	mclk_cntl  = INPLL( pllMCLK_CNTL_M6);
	mclk_cntl |= 	MCLK_CNTL_M6__FORCE_MCLKA|  
			MCLK_CNTL_M6__FORCE_MCLKB|	
			MCLK_CNTL_M6__FORCE_YCLKA|
			MCLK_CNTL_M6__FORCE_YCLKB;
			
    	OUTPLL( pllMCLK_CNTL_M6, mclk_cntl);

	mclk_misc = INPLL(pllMCLK_MISC);
	mclk_misc |= 	MCLK_MISC__MC_MCLK_MAX_DYN_STOP_LAT|
			MCLK_MISC__IO_MCLK_MAX_DYN_STOP_LAT|
			MCLK_MISC__MC_MCLK_DYN_ENABLE|
			MCLK_MISC__IO_MCLK_DYN_ENABLE;	
	
	OUTPLL(pllMCLK_MISC, mclk_misc);
}