Esempio n. 1
0
static int msm_fb_detect_panel(const char *name)
{
	int ret = -ENODEV;

	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()) {
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21) ||
				!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()) {
		if (!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	}

#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
		if (machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf()) {
			if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
				strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
					PANEL_NAME_MAX_LEN)))
				return 0;
		}
#endif
	return ret;
}
Esempio n. 2
0
static void __init msm7x27a_init_ebi2(void)
{
	uint32_t ebi2_cfg;
	void __iomem *ebi2_cfg_ptr;

	ebi2_cfg_ptr = ioremap_nocache(MSM_EBI2_PHYS, sizeof(uint32_t));
	if (!ebi2_cfg_ptr)
		return;

	ebi2_cfg = readl(ebi2_cfg_ptr);
	if (machine_is_msm7x27a_rumi3() || machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf())
		ebi2_cfg |= (1 << 4); /* CS2 */

	writel(ebi2_cfg, ebi2_cfg_ptr);
	iounmap(ebi2_cfg_ptr);

	/* Enable A/D MUX[bit 31] from EBI2_XMEM_CS2_CFG1 */
	ebi2_cfg_ptr = ioremap_nocache(MSM_EBI2_XMEM_CS2_CFG1,
							 sizeof(uint32_t));
	if (!ebi2_cfg_ptr)
		return;

	ebi2_cfg = readl(ebi2_cfg_ptr);
	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf())
		ebi2_cfg |= (1 << 31);

	writel(ebi2_cfg, ebi2_cfg_ptr);
	iounmap(ebi2_cfg_ptr);
}
static int msm_fb_detect_panel(const char *name)
{
	int ret = -ENODEV;

	printk("%s: %d\n", __func__, __LINE__);
	if (machine_is_msm8225_cellon()) {
		ret = cellon_auto_detect_lcd_panel(name);
	} else if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21) ||
				!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
					|| machine_is_msm8625_ffa()) {
		if (!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7627a_qrd1()) {
		if (!strncmp(name, "mipi_video_truly_wvga", 21))
			ret = 0;
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		if (!strncmp(name, "lcdc_truly_hvga_ips3p2335_pt", 28))
			ret = 0;
	} else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb() || machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a()) {
        if (cont_splash_enabled == 1) {
            if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
                ret = 0;
        } else if (cont_splash_enabled == 2) {
            if (!strncmp(name, "mipi_video_nt35510_wvga", 21))
                ret = 0;
        } else {
            if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
                ret = 0;
        }
	} else if (machine_is_msm8625_skua()) {
		if (!strncmp(name, "mipi_video_himax_wvga", 21) && skua_panel_is_himax())
			ret = 0;
		else if (!strncmp(name, "mipi_cmd_nt35510_alaska_wvga", 28) && !skua_panel_is_himax())
			ret = 0;
	} else if (machine_is_msm8625_evt()) {
		if (!strncmp(name, "mipi_video_nt35510_wvga", 23))
			ret = 0;
	}

#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
		if (machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
			if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
				strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
					PANEL_NAME_MAX_LEN)))
				return 0;
		}
#endif

	return ret;
}
static int msm_fb_detect_panel(const char *name)
{
	int ret = -ENODEV;

	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
#if 0
//#ifdef CONFIG_LCDC_TOSHIBA
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21) ||
				!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
#endif
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
					|| machine_is_msm8625_ffa()) {
#ifdef CONFIG_FB_MSM_MIPI_DSI_RENESAS
		if (!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
#endif
#ifdef CONFIG_FB_MSM_MIPI_DSI_ILI9486
        if (!strncmp(name, "mipi_cmd_ili9486_hvga", 21))
			ret = 0;
#endif
    }else if (machine_is_msm7627a_qrd1()) {
	} else if (machine_is_msm7627a_qrd1()) {
		if (!strncmp(name, "mipi_video_truly_wvga", 21))
			ret = 0;
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		if (!strncmp(name, "lcdc_truly_hvga_ips3p2335_pt", 28))
			ret = 0;
	} else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb() ||
			machine_is_msm8625_evt()) {
		if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
			ret = 0;
	}

#if 0
//#ifdef CONFIG_LCDC_TOSHIBA
#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
		if (machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
			if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
				strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
					PANEL_NAME_MAX_LEN)))
				return 0;
		}
#endif
#endif

	return ret;
}
static int msm_fb_detect_panel(const char *name)
{
	int ret = -ENODEV;
	#if 1 // #suwg

	printk("xxx %s:%s\n ",__func__,name);
	return ret;
	#endif

	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21) ||
				!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
					|| machine_is_msm8625_ffa()) {
		if (!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7627a_qrd1()) {
		if (!strncmp(name, "mipi_video_truly_wvga", 21))
			ret = 0;
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		if (!strncmp(name, "lcdc_truly_hvga_ips3p2335_pt", 28))
			ret = 0;
	} else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb() ||
			machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a()) {
		if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
			ret = 0;
	} else if (machine_is_msm8625q_skud() || machine_is_msm8625q_evbd()) {
		if (!strncmp(name, "mipi_video_hx8389b_qhd", 22)) 
                        ret = 0;
	} else if (machine_is_msm8625q_skue()) {
		if (!strncmp(name, "mipi_video_otm9605a_qhd", 23))
                        ret = 0;
        }

#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
		if (machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
			if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
				strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
					PANEL_NAME_MAX_LEN)))
				return 0;
		}
#endif

	return ret;
}
static int msm_fb_detect_panel(const char *name)
{
	int ret = -ENODEV;

	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21) ||
				!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
					|| machine_is_msm8625_ffa()) {
		if (!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7627a_qrd1()) {
		if (!strncmp(name, "mipi_video_truly_wvga", 21))
			ret = 0;
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		if (!strncmp(name, "lcdc_truly_hvga_ips3p2335_pt", 28))
			ret = 0;
	} else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb() ||
			machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a()) {
		#if 1  //#linxc 12-08-23 +++ 
			if (!strncmp(name, "mipi_cmd_novatek_sharp_qhd", 26))    		
	                ret = 0;	
		#else
			if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
				ret = 0;
		#endif
		
	} else if (machine_is_msm8625q_skud()) {
		if (!strncmp(name, "mipi_video_hx8389b_qhd", 22))
                        ret = 0;
        }

#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
		if (machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
			if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
				strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
					PANEL_NAME_MAX_LEN)))
				return 0;
		}
#endif

	return ret;
}
/*===========================================================================


FUNCTION     get_compass_gs_position

DESCRIPTION
  This function probe which G-sensor & Campass status type should be used

DEPENDENCIES
  
RETURN VALUE
  None

SIDE EFFECTS
  None
===========================================================================*/
compass_gs_position_type  get_compass_gs_position(void)
{
	compass_gs_position_type compass_gs_position=COMPASS_TOP_GS_TOP;
	/* modify compass and gs position by board id */
    //move C8820\25D define from TOP to BOTTOM
	if (machine_is_msm7x27a_surf() 
	 || machine_is_msm7x27a_ffa() 
	 || machine_is_msm7x27a_umts() 
	 || machine_is_msm7x27a_cdma()
	 || machine_is_msm7x27a_U8815()) 
	{
		compass_gs_position=COMPASS_TOP_GS_TOP;
	}
	/*< DTS2012022006500 yangbo 20120220 begin */
	/*version A and version B has compass, since version C don't have compass*/
	else if(machine_is_msm7x27a_C8820() && (HW_VER_SUB_VC <= get_hw_sub_board_id()))
	{
		compass_gs_position=COMPASS_NONE_GS_BOTTOM;
	}
	/* DTS2012022006500 yangbo 20120220 end > */
	/* add U8655_EMMC, use the u8655 configuration */
	else if (machine_is_msm7x27a_U8655() 
		  || machine_is_msm7x27a_U8655_EMMC()  
		  || machine_is_msm7x27a_C8655_NAND()  
		  || machine_is_msm7x27a_M660()  
		  || machine_is_msm7x27a_U8661()    
		  || machine_is_msm7x27a_C8820()   
		  || machine_is_msm7x27a_C8825D()
		  || machine_is_msm7x30_u8800()
		  || machine_is_msm7x30_u8820() 
		  || machine_is_msm7x30_u8800_51()
		  || machine_is_msm8255_u8800_pro()
		  || machine_is_msm8255_u8860() 
		  || machine_is_msm8255_c8860() 
		  || machine_is_msm8255_u8860lp()
          /* < DTS2012022905490 ganfan 20120301 begin */
          || machine_is_msm8255_u8860_r()
          /* DTS2012022905490 ganfan 20120301 end > */
		  || machine_is_msm8255_u8860_92()            
		  || machine_is_msm8255_u8860_51())
	{
		compass_gs_position=COMPASS_BOTTOM_GS_BOTTOM;
	}
	else if (machine_is_msm7x27a_U8185())	
	{
		compass_gs_position=COMPASS_NONE_GS_TOP;
	}
	else if(machine_is_msm8255_u8680() 
	     || machine_is_msm8255_u8730())
	{
	    compass_gs_position=COMPASS_TOP_GS_TOP;
	}
	/*< DTS2012022300887 fengwei 20120224 begin */
    else if (machine_is_msm7x27a_C8668D() )	
	{
		compass_gs_position = COMPASS_BOTTOM_GS_TOP;
	}
	/* DTS2012022300887 fengwei 20120224 end >*/
	return compass_gs_position;
}
Esempio n. 8
0
void __init msm_fb_add_devices(void)
{
	int rc = 0;
	msm7x27a_set_display_params(prim_panel_name);
	if (machine_is_msm7627a_qrd1())
		platform_add_devices(qrd_fb_devices,
				ARRAY_SIZE(qrd_fb_devices));
	else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb()
						|| machine_is_msm8625_evt()) {
		mipi_NT35510_pdata.bl_lock = 1;
		mipi_NT35516_pdata.bl_lock = 1;
		if (disable_splash)
			mdp_pdata.cont_splash_enabled = 0x0;


		platform_add_devices(evb_fb_devices,
				ARRAY_SIZE(evb_fb_devices));
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		sku3_lcdc_lcd_camera_power_init();
		mdp_pdata.cont_splash_enabled = 0x0;
		platform_add_devices(qrd3_fb_devices,
						ARRAY_SIZE(qrd3_fb_devices));
	} else {
		mdp_pdata.cont_splash_enabled = 0x0;
		platform_add_devices(msm_fb_devices,
				ARRAY_SIZE(msm_fb_devices));
	}

	msm_fb_register_device("mdp", &mdp_pdata);
	if (machine_is_msm7625a_surf() || machine_is_msm7x27a_surf() ||
			machine_is_msm8625_surf() || machine_is_msm7627a_qrd3()
			|| machine_is_msm8625_qrd7())
		msm_fb_register_device("lcdc", &lcdc_pdata);
#ifdef CONFIG_FB_MSM_MIPI_DSI
	msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
#endif
	if (machine_is_msm7627a_evb() || machine_is_msm8625_evb()
					|| machine_is_msm8625_evt()) {
		gpio_reg_2p85v = regulator_get(&mipi_dsi_device.dev,
								"lcd_vdd");
		if (IS_ERR(gpio_reg_2p85v))
			pr_err("%s:ext_2p85v regulator get failed", __func__);

		gpio_reg_1p8v = regulator_get(&mipi_dsi_device.dev,
								"lcd_vddi");
		if (IS_ERR(gpio_reg_1p8v))
			pr_err("%s:ext_1p8v regulator get failed", __func__);

		if (mdp_pdata.cont_splash_enabled) {
			/*Enable EXT_2.85 and 1.8 regulators*/
			rc = regulator_enable(gpio_reg_2p85v);
			if (rc < 0)
				pr_err("%s: reg enable failed\n", __func__);
			rc = regulator_enable(gpio_reg_1p8v);
			if (rc < 0)
				pr_err("%s: reg enable failed\n", __func__);
		}
	}
}
/*===========================================================================


FUNCTION     get_compass_gs_position

DESCRIPTION
  This function probe which G-sensor & Campass status type should be used

DEPENDENCIES
  
RETURN VALUE
  None

SIDE EFFECTS
  None
===========================================================================*/
compass_gs_position_type  get_compass_gs_position(void)
{
	compass_gs_position_type compass_gs_position=COMPASS_TOP_GS_TOP;
	/* modify compass and gs position by board id */
    //move C8820\25D define from TOP to BOTTOM
    if (machine_is_msm7x27a_surf() 
        || machine_is_msm7x27a_ffa() 
        || machine_is_msm7x27a_U8815()
        || machine_is_msm8x25_C8950D()
        || (machine_is_msm8x25_U8950() && (HW_VER_SUB_VB <= get_hw_sub_board_id()))
        || machine_is_msm8x25_U8950D()
        )
	{
		compass_gs_position=COMPASS_TOP_GS_TOP;
	}
	/*version A and version B has compass, since version C don't have compass*/
	else if(machine_is_msm7x27a_C8820() && (HW_VER_SUB_VC <= get_hw_sub_board_id()))
	{
		compass_gs_position=COMPASS_NONE_GS_BOTTOM;
	}
	/* add U8655_EMMC, use the u8655 configuration */
	else if (machine_is_msm7x27a_U8655() 
		  || machine_is_msm7x27a_U8655_EMMC()  
		  || machine_is_msm7x27a_C8655_NAND()  
		  || machine_is_msm7x27a_M660()  
		  || machine_is_msm7x27a_U8661()    
		  || machine_is_msm7x27a_C8820()   
		  || machine_is_msm8x25_C8825D()
		  || machine_is_msm7x30_u8800()
		  || machine_is_msm7x30_u8820() 
		  || machine_is_msm7x30_u8800_51()
		  || machine_is_msm8255_u8800_pro()
		  || machine_is_msm8255_u8860() 
		  || machine_is_msm8255_c8860()
		  || machine_is_msm8x25_U8825()
          || machine_is_msm8x25_U8825D()
		  || (machine_is_msm8x25_U8950() && (HW_VER_SUB_VA == get_hw_sub_board_id()))
		  || machine_is_msm8255_u8860lp()
          || machine_is_msm8255_u8860_r()
		  || machine_is_msm8255_u8860_92()            
		  || machine_is_msm8255_u8860_51())
	{
		compass_gs_position=COMPASS_BOTTOM_GS_BOTTOM;
	}
	else if (machine_is_msm7x27a_U8185())	
	{
		compass_gs_position=COMPASS_NONE_GS_TOP;
	}
	else if(machine_is_msm8255_u8680() 
	     || machine_is_msm8255_u8730())
	{
	    compass_gs_position=COMPASS_TOP_GS_TOP;
	}
    else if (machine_is_msm7x27a_C8668D() )	
	{
		compass_gs_position = COMPASS_BOTTOM_GS_TOP;
	}
	return compass_gs_position;
}
Esempio n. 10
0
static int msm_fb_dsi_client_msm_reset(void)
{
	int rc = 0;

	rc = gpio_request(GPIO_LCDC_BRDG_RESET_N, "lcdc_brdg_reset_n");
	if (rc < 0) {
		pr_err("failed to request lcd brdg reset_n\n");
		return rc;
	}

	rc = gpio_request(GPIO_LCDC_BRDG_PD, "lcdc_brdg_pd");
	if (rc < 0) {
		pr_err("failed to request lcd brdg pd\n");
		return rc;
	}

	rc = gpio_tlmm_config(mipi_dsi_gpio[0], GPIO_CFG_ENABLE);
	if (rc) {
		pr_err("Failed to enable LCDC Bridge reset enable\n");
		goto gpio_error;
	}

	rc = gpio_tlmm_config(mipi_dsi_gpio[1], GPIO_CFG_ENABLE);
	if (rc) {
		pr_err("Failed to enable LCDC Bridge pd enable\n");
		goto gpio_error2;
	}

	rc = gpio_direction_output(GPIO_LCDC_BRDG_RESET_N, 1);
	rc |= gpio_direction_output(GPIO_LCDC_BRDG_PD, 1);
	gpio_set_value_cansleep(GPIO_LCDC_BRDG_PD, 0);

	if (!rc) {
		if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()
				|| machine_is_msm8625_surf()) {
			lcdc_reset_ptr = ioremap_nocache(LCDC_RESET_PHYS,
				sizeof(uint32_t));

			if (!lcdc_reset_ptr)
				return 0;
		}
		return rc;
	} else {
		goto gpio_error;
	}

gpio_error2:
	pr_err("Failed GPIO bridge pd\n");
	gpio_free(GPIO_LCDC_BRDG_PD);

gpio_error:
	pr_err("Failed GPIO bridge reset\n");
	gpio_free(GPIO_LCDC_BRDG_RESET_N);
	return rc;
}
Esempio n. 11
0
static void __init register_i2c_devices(void)
{
	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf())
		sx150x_data[SX150X_CORE].io_open_drain_ena = 0xe0f0;

	core_exp_i2c_info[0].platform_data =
			&sx150x_data[SX150X_CORE];

	i2c_register_board_info(MSM_GSBI1_QUP_I2C_BUS_ID,
				core_exp_i2c_info,
				ARRAY_SIZE(core_exp_i2c_info));
}
void __init msm_fb_add_devices(void)
{
	/* Using continuous splash or not */
	if (machine_is_msm8625_qrd7() || machine_is_msm8625_evb() || machine_is_msm8625_qrd5()) {
            if (cont_splash_enabled) {
                    /* increase ref count of ext power */
                    qrd_lcd_splash_power_vote(1);
                    mdp_pdata.cont_splash_enabled = 1;
                    /* FIXME: Need these flags to indicate backlight driver the initial backlight level */
                    mipi_NT35510_pdata.cont_splash_enabled = 1;
                    mipi_NT35510_alaska_pdata.cont_splash_enabled = 1;
                    mipi_himax_pdata.cont_splash_enabled = 1;
            }
    }

	/* default is NT35510 */
	if (machine_is_msm8625_skua() && skua_panel_is_himax()) {
		skua_fb_devices[1] = &mipi_dsi_himax_panel_device;
		skua_backlight_device.dev.platform_data = &mipi_himax_pdata;
	}

	msm7x27a_set_display_params(prim_panel_name);
	if (machine_is_msm8225_cellon())
		platform_add_devices(c8680_fb_devices,
				ARRAY_SIZE(c8680_fb_devices));
	else if (machine_is_msm7627a_qrd1())
		platform_add_devices(qrd_fb_devices,
				ARRAY_SIZE(qrd_fb_devices));
	else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb() || 
			machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a() || 
			machine_is_msm8625_evt()) {
		platform_add_devices(evb_fb_devices,
				ARRAY_SIZE(evb_fb_devices));
	} else if (machine_is_msm8625_skua())
		platform_add_devices(skua_fb_devices,
				ARRAY_SIZE(skua_fb_devices));
	else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		platform_add_devices(qrd3_fb_devices,
						ARRAY_SIZE(qrd3_fb_devices));
	} else
		platform_add_devices(msm_fb_devices,
				ARRAY_SIZE(msm_fb_devices));

	msm_fb_register_device("mdp", &mdp_pdata);
	if (machine_is_msm7625a_surf() || machine_is_msm7x27a_surf()
		|| machine_is_msm8625_surf() || machine_is_msm7627a_qrd3()
		|| machine_is_msm8625_qrd7())
		msm_fb_register_device("lcdc", &lcdc_pdata);
#ifdef CONFIG_FB_MSM_MIPI_DSI
	msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
#endif
}
static int msm_fb_detect_panel(const char *name)
{
	int ret = -EPERM;

	if (machine_is_msm7x27a_surf() || machine_is_msm7x27a_m3eu()) {
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21))
			ret = 0;
	} else {
		ret = -ENODEV;
	}

	return ret;
}
static void __init register_i2c_devices(void)
{
	/* LGE_CHANGE : [email protected]	- add LGE specific machine name */
	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() || machine_is_msm8625_surf()
		|| machine_is_msm7x27a_u0() )
		sx150x_data[SX150X_CORE].io_open_drain_ena = 0xe0f0;

	core_exp_i2c_info[0].platform_data =
			&sx150x_data[SX150X_CORE];

	i2c_register_board_info(MSM_GSBI1_QUP_I2C_BUS_ID,
				core_exp_i2c_info,
				ARRAY_SIZE(core_exp_i2c_info));
}
Esempio n. 15
0
static int config_i2s(int mode)
{
	int pin, rc = 0;

	if (mode == FM_I2S_ON) {
		if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()
				|| machine_is_msm8625_surf())
			config_pcm_i2s_mode(0);
		pr_err("%s mode = FM_I2S_ON", __func__);

		rc = switch_pcm_i2s_reg_mode(0);
		if (rc) {
			pr_err("switch mode failed");
			return rc;
		}
		for (pin = 0; pin < ARRAY_SIZE(fm_i2s_config_power_on);
			pin++) {
				rc = gpio_tlmm_config(
					fm_i2s_config_power_on[pin],
					GPIO_CFG_ENABLE
					);
				if (rc < 0)
					return rc;
			}
	} else if (mode == FM_I2S_OFF) {
		pr_err("%s mode = FM_I2S_OFF", __func__);
		rc = switch_pcm_i2s_reg_mode(1);
		if (rc) {
			pr_err("switch mode failed");
			return rc;
		}
		for (pin = 0; pin < ARRAY_SIZE(fm_i2s_config_power_off);
			pin++) {
				rc = gpio_tlmm_config(
					fm_i2s_config_power_off[pin],
					GPIO_CFG_ENABLE
					);
				if (rc < 0)
					return rc;
			}
	}
	return rc;
}
static int mipi_dsi_panel_msm_power(int on)
{
	/*++ Huize - 20120927 Modify for identifying what the code is used by customization ++*/
	#ifdef DISPLAY_CUSTOMIZATION
	int rc = 0;
	if (unlikely(!dsi_gpio_initialized)) {
		pr_emerg("%s\n", __func__);
		#ifndef CONFIG_LEDS_CHIP_LM3533
		rc = gpio_request(GPIO_BACKLIGHT_EN, "gpio_bl_en");
		if (rc < 0) {
			pr_err("failed to request gpio_bl_en\n");
			return rc;
		}
		rc = gpio_tlmm_config(
			GPIO_CFG(GPIO_BACKLIGHT_EN,0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_2MA),
			GPIO_CFG_ENABLE);
		#endif	
		if (rc) {
			pr_err("Failed to enable gpio_bl_en\n");
			goto fail_gpio1;
		}
		rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_dsi), regs_dsi);
		if (rc) {
			pr_err("%s: could not get regulators: %d\n",
					__func__, rc);
			goto fail_gpio2;
		}

		rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_dsi), regs_dsi);
		if (rc) {
			pr_err("%s: could not set voltages: %d\n",
					__func__, rc);
			goto fail_vreg;
		}

		dsi_gpio_initialized = 1;
	}
	#else
	int rc = 0;
	uint32_t lcdc_reset_cfg;

	/* I2C-controlled GPIO Expander -init of the GPIOs very late */
	if (unlikely(!dsi_gpio_initialized)) {
		pmapp_disp_backlight_init();

		rc = gpio_request(GPIO_DISPLAY_PWR_EN, "gpio_disp_pwr");
		if (rc < 0) {
			pr_err("failed to request gpio_disp_pwr\n");
			return rc;
		}

		if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()
				|| machine_is_msm8625_surf()) {
			rc = gpio_direction_output(GPIO_DISPLAY_PWR_EN, 1);
			if (rc < 0) {
				pr_err("failed to enable display pwr\n");
				goto fail_gpio1;
			}

			rc = gpio_request(GPIO_BACKLIGHT_EN, "gpio_bkl_en");
			if (rc < 0) {
				pr_err("failed to request gpio_bkl_en\n");
				goto fail_gpio1;
			}

			rc = gpio_direction_output(GPIO_BACKLIGHT_EN, 1);
			if (rc < 0) {
				pr_err("failed to enable backlight\n");
				goto fail_gpio2;
			}
		}

		rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_dsi), regs_dsi);
		if (rc) {
			pr_err("%s: could not get regulators: %d\n",
					__func__, rc);
			goto fail_gpio2;
		}

		rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_dsi),
						regs_dsi);
		if (rc) {
			pr_err("%s: could not set voltages: %d\n",
					__func__, rc);
			goto fail_vreg;
		}
		if (pmapp_disp_backlight_set_brightness(100))
			pr_err("backlight set brightness failed\n");

		dsi_gpio_initialized = 1;
	}
	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
		gpio_set_value_cansleep(GPIO_DISPLAY_PWR_EN, on);
		gpio_set_value_cansleep(GPIO_BACKLIGHT_EN, on);
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
					|| machine_is_msm8625_ffa()) {
		if (on) {
			/* This line drives an active low pin on FFA */
			rc = gpio_direction_output(GPIO_DISPLAY_PWR_EN, !on);
			if (rc < 0)
				pr_err("failed to set direction for "
					"display pwr\n");
		} else {
			gpio_set_value_cansleep(GPIO_DISPLAY_PWR_EN, !on);
			rc = gpio_direction_input(GPIO_DISPLAY_PWR_EN);
			if (rc < 0)
				pr_err("failed to set direction for "
					"display pwr\n");
		}
	}

	if (on) {
		gpio_set_value_cansleep(GPIO_LCDC_BRDG_PD, 0);

		if (machine_is_msm7x27a_surf() ||
				 machine_is_msm7625a_surf() ||
				 machine_is_msm8625_surf()) {
			lcdc_reset_cfg = readl_relaxed(lcdc_reset_ptr);
			rmb();
			lcdc_reset_cfg &= ~1;

			writel_relaxed(lcdc_reset_cfg, lcdc_reset_ptr);
			msleep(20);
			wmb();
			lcdc_reset_cfg |= 1;
			writel_relaxed(lcdc_reset_cfg, lcdc_reset_ptr);
		} else {
			gpio_set_value_cansleep(GPIO_LCDC_BRDG_RESET_N, 0);
			msleep(20);
			gpio_set_value_cansleep(GPIO_LCDC_BRDG_RESET_N, 1);
		}
	} else {
		gpio_set_value_cansleep(GPIO_LCDC_BRDG_PD, 1);
	}
	#endif
	/*-- Huize - 20120927 Modify for identifying what the code is used by customization --*/

	rc = on ? regulator_bulk_enable(ARRAY_SIZE(regs_dsi), regs_dsi) :
		  regulator_bulk_disable(ARRAY_SIZE(regs_dsi), regs_dsi);

	if (rc)
		pr_err("%s: could not %sable regulators: %d\n",
				__func__, on ? "en" : "dis", rc);

	return rc;
fail_vreg:
	regulator_bulk_free(ARRAY_SIZE(regs_dsi), regs_dsi);
fail_gpio2:
	gpio_free(GPIO_BACKLIGHT_EN);
fail_gpio1:
//Jordan-20111230 , remove 	
//	gpio_free(GPIO_DISPLAY_PWR_EN);
	dsi_gpio_initialized = 0;
	return rc;
}
static int msm_fb_detect_panel(const char *name)
{
	int ret = -ENODEV;

	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
		if (!strncmp(name, "lcdc_toshiba_fwvga_pt", 21) ||
				!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7x27a_ffa() || machine_is_msm7625a_ffa()
					|| machine_is_msm8625_ffa()) {
		if (!strncmp(name, "mipi_cmd_renesas_fwvga", 22))
			ret = 0;
	} else if (machine_is_msm7627a_qrd1()) {
		if (!strncmp(name, "mipi_video_truly_wvga", 21))
			ret = 0;
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		if (!strncmp(name, "lcdc_truly_hvga_ips3p2335_pt", 28))
			ret = 0;
	} else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb() || machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a()) {
        if (cont_splash_enabled == 1) {
		#if defined CONFIG_FB_MSM_MIPI_TCL_TD_TNFW4602_2_VIDEO_MODE
			if (!strncmp(name, LCD_MODULE_NAME, strlen(LCD_MODULE_NAME)))
		#else
			if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
		#endif
                ret = 0;
        } else if (cont_splash_enabled == 2) {
		#if defined CONFIG_FB_MSM_MIPI_TCL_TD_TNFW4602_2_VIDEO_MODE
			if (!strncmp(name, LCD_MODULE_NAME, strlen(LCD_MODULE_NAME)))
		#else
			if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
		#endif
                ret = 0;
        } else {
		#if defined CONFIG_FB_MSM_MIPI_TCL_TD_TNFW4602_2_VIDEO_MODE
			if (!strncmp(name, LCD_MODULE_NAME, strlen(LCD_MODULE_NAME)))
		#else
			if (!strncmp(name, "mipi_cmd_nt35510_wvga", 21))
		#endif

                ret = 0;
        }
	} else if (machine_is_msm8625_skua()) {
		if (!strncmp(name, "mipi_video_himax_wvga", 21) && skua_panel_is_himax())
			ret = 0;
		else if (!strncmp(name, "mipi_cmd_nt35510_alaska_wvga", 28) && !skua_panel_is_himax())
			ret = 0;
	} else if (machine_is_msm8625_evt()) {
		if (!strncmp(name, "mipi_video_nt35510_wvga", 23))
			ret = 0;
	}

#if !defined(CONFIG_FB_MSM_LCDC_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_MIPI_PANEL_AUTO_DETECT) && \
	!defined(CONFIG_FB_MSM_LCDC_MIPI_PANEL_AUTO_DETECT)
		if (machine_is_msm7x27a_surf() ||
			machine_is_msm7625a_surf() ||
			machine_is_msm8625_surf()) {
			if (!strncmp(name, LCDC_TOSHIBA_FWVGA_PANEL_NAME,
				strnlen(LCDC_TOSHIBA_FWVGA_PANEL_NAME,
					PANEL_NAME_MAX_LEN)))
				return 0;
		}
#endif

	return ret;
}
/* FIH-SW-MM-VH-DISPLAY-JB00*[ */
static int msm_fb_dsi_client_msm_reset(int hold)
{
	int rc = 0;
	static int dsi_reset_initialized = 0;

	printk(KERN_INFO "[DISPLAY]%s: E, hold <%d>\n", __func__, hold);

	if (dsi_reset_initialized == 0) {
		rc = gpio_request(GPIO_LCM_RESET, "gpio_disp_pwr");
		if (rc < 0) {
			pr_err("[DISPLAY] %s: Failed to request lcm_reset, rc <%d>\n", __func__, rc);
			//return rc;
		}
		rc = gpio_tlmm_config(GPIO_CFG(GPIO_LCM_RESET, 0, GPIO_CFG_OUTPUT,
									GPIO_CFG_NO_PULL, GPIO_CFG_2MA), GPIO_CFG_ENABLE);

		if (unlikely(fih_get_product_phase() < Phase_SP2)) {
			printk(KERN_ALERT "[DISPLAY]%s: <%d> < SP2\n", __func__, fih_get_product_phase());
			rc = gpio_request(GPIO_LCM_BKL_EN, "lcm_bkl_en");
			if (rc < 0) {
				pr_err("[DISPLAY] %s: Failed to request lcm_bkl_en\n", __func__);
				//goto gpio_error;
			}

			rc = gpio_tlmm_config(GPIO_CFG(GPIO_LCM_BKL_EN, 0, GPIO_CFG_OUTPUT,
										GPIO_CFG_PULL_DOWN, GPIO_CFG_2MA),
									GPIO_CFG_ENABLE); 
			if (rc < 0) {
				pr_err("[DISPLAY] %s: Failed lcm_bkl_en enable\n", __func__);
				//goto gpio_error2;
			}
		}
		dsi_reset_initialized = 1;
	}

	if (hold) {
		gpio_direction_output(GPIO_LCM_RESET, 0);
	} else {
#ifdef CONFIG_FIH_HR_MSLEEP
		rc |= gpio_direction_output(GPIO_LCM_RESET, 1);
		hr_msleep(5);
		rc |= gpio_direction_output(GPIO_LCM_RESET, 0);
		hr_msleep(5);
		rc |= gpio_direction_output(GPIO_LCM_RESET, 1);
#else
		rc |= gpio_direction_output(GPIO_LCM_RESET, 1);
		msleep(5);
		rc |= gpio_direction_output(GPIO_LCM_RESET, 0);
		msleep(5);
		rc |= gpio_direction_output(GPIO_LCM_RESET, 1);
#endif
	}
#ifdef CONFIG_FIH_HR_MSLEEP
	hr_msleep(150);
#else
	msleep(150);
#endif
#if 0
	if (!rc) {
		if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()
				|| machine_is_msm8625_surf()) {
			lcdc_reset_ptr = ioremap_nocache(LCDC_RESET_PHYS,
				sizeof(uint32_t));
			printk(KERN_ERR "[DISPLAY]%s: surf\n", __func__);

			if (!lcdc_reset_ptr)
				return 0;
		}

		printk(KERN_ERR "[DISPLAY]%s: X, rc <%d>\n", __func__, rc);
		return rc;
	} else {
		//goto gpio_error;
	}
#endif
#if 0
gpio_error2:
	pr_err("Failed GPIO bridge pd\n");
	gpio_free(GPIO_LCDC_BRDG_PD);

gpio_error:
	pr_err("Failed GPIO bridge reset\n");
	gpio_free(GPIO_LCDC_BRDG_RESET_N);
#endif
	printk(KERN_INFO "[DISPLAY]%s: X, rc <%d>\n", __func__, rc);

	return rc;
}
void __init msm_fb_add_devices(void)
{
	int rc = 0;
	#if 1 // #suwg.
	printk("xxx %s \n",__func__);
	printk("machine_is_msm7627a_qrd1 %d\n",machine_is_msm7627a_qrd1());
	printk("machine_is_msm8625q_skud %d\n",machine_is_msm8625q_skud());
	printk("machine_is_msm7x27a_qrd5a %d\n",machine_is_msm7x27a_qrd5a());
	printk("machine_is_msm8625_qrd5 %d\n",machine_is_msm8625_qrd5());
	printk("disable_splash %d\n",disable_splash);

	msm7x27a_set_display_params(prim_panel_name);
	if (disable_splash)
			mdp_pdata.cont_splash_enabled = 0x0;

	platform_add_devices(odmm_fb_devices, ARRAY_SIZE(odmm_fb_devices));
	msm_fb_register_device("mdp", &mdp_pdata);
//#ifdef CONFIG_FB_MSM_MIPI_DSI
	msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
//#endif
	
	return;
	#endif

        msm7x27a_set_display_params(prim_panel_name);

	if (machine_is_msm7627a_qrd1())
		platform_add_devices(qrd_fb_devices,
				ARRAY_SIZE(qrd_fb_devices));
	else if (machine_is_msm7627a_evb() || machine_is_msm8625_evb()
                        || machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a()) {
		mipi_NT35510_pdata.bl_lock = 1;
		mipi_NT35516_pdata.bl_lock = 1;
		if (disable_splash)
			mdp_pdata.cont_splash_enabled = 0x0;

		platform_add_devices(evb_fb_devices,
				ARRAY_SIZE(evb_fb_devices));
	} else if (machine_is_msm7627a_qrd3() || machine_is_msm8625_qrd7()) {
		sku3_lcdc_lcd_camera_power_init();
		mdp_pdata.cont_splash_enabled = 0x0;
		platform_add_devices(qrd3_fb_devices,
						ARRAY_SIZE(qrd3_fb_devices));
	} else if (machine_is_msm8625q_skud() || machine_is_msm8625q_evbd()) {
		if (disable_splash)
			mdp_pdata.cont_splash_enabled = 0x0;

                /* SKUD and SKUD' use different lane connection */
                if (cpu_is_msm8625q()){
					if(!strncmp((char *)prim_panel_name, "mipi_video_hx8392a_720p", 23))
						mipi_dsi_pdata.dlane_swap = 3;
					else
						mipi_dsi_pdata.dlane_swap = 0;

					pr_info("[DISP] The prim panel name is %s, Swap lane is %d\n", prim_panel_name,mipi_dsi_pdata.dlane_swap);
				}
                platform_add_devices(skud_fb_devices,
				ARRAY_SIZE(skud_fb_devices));
        } else if (machine_is_msm8625q_skue()) {
		if (disable_splash)
			mdp_pdata.cont_splash_enabled = 0x0;

                /* SKUE and SKUE' use different lane connection */
                if (cpu_is_msm8625q())
                        mipi_dsi_pdata.dlane_swap = 0;

		platform_add_devices(skue_fb_devices,
				ARRAY_SIZE(skue_fb_devices));
        } else {
		mdp_pdata.cont_splash_enabled = 0x0;
		platform_add_devices(msm_fb_devices,
				ARRAY_SIZE(msm_fb_devices));
	}

	msm_fb_register_device("mdp", &mdp_pdata);
	if (machine_is_msm7625a_surf() || machine_is_msm7x27a_surf() ||
			machine_is_msm8625_surf() || machine_is_msm7627a_qrd3()
			|| machine_is_msm8625_qrd7())
		msm_fb_register_device("lcdc", &lcdc_pdata);
#ifdef CONFIG_FB_MSM_MIPI_DSI
	msm_fb_register_device("mipi_dsi", &mipi_dsi_pdata);
#endif
	if (machine_is_msm7627a_evb() || machine_is_msm8625_evb()
                        || machine_is_msm8625_qrd5() || machine_is_msm7x27a_qrd5a()
                        || machine_is_msm8625q_evbd()) {
		gpio_reg_2p85v = regulator_get(&mipi_dsi_device.dev,
								"lcd_vdd");
		if (IS_ERR(gpio_reg_2p85v))
			pr_err("%s:ext_2p85v regulator get failed", __func__);

		gpio_reg_1p8v = regulator_get(&mipi_dsi_device.dev,
								"lcd_vddi");
		if (IS_ERR(gpio_reg_1p8v))
			pr_err("%s:ext_1p8v regulator get failed", __func__);

		if (mdp_pdata.cont_splash_enabled) {
			/*Enable EXT_2.85 and 1.8 regulators*/
			rc = regulator_enable(gpio_reg_2p85v);
			if (rc < 0)
				pr_err("%s: reg enable failed\n", __func__);
			rc = regulator_enable(gpio_reg_1p8v);
			if (rc < 0)
				pr_err("%s: reg enable failed\n", __func__);
		}
	}
}
Esempio n. 20
0
static int mipi_dsi_panel_power(int on)
{
	int rc = 0;
	uint32_t lcdc_reset_cfg;

	/* I2C-controlled GPIO Expander -init of the GPIOs very late */
	if (unlikely(!dsi_gpio_initialized)) {
		pmapp_disp_backlight_init();

		rc = gpio_request(GPIO_DISPLAY_PWR_EN, "gpio_disp_pwr");
		if (rc < 0) {
			pr_err("failed to request gpio_disp_pwr\n");
			return rc;
		}

		if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()) {
			rc = gpio_direction_output(GPIO_DISPLAY_PWR_EN, 1);
			if (rc < 0) {
				pr_err("failed to enable display pwr\n");
				goto fail_gpio1;
			}

			rc = gpio_request(GPIO_BACKLIGHT_EN, "gpio_bkl_en");
			if (rc < 0) {
				pr_err("failed to request gpio_bkl_en\n");
				goto fail_gpio1;
			}

			rc = gpio_direction_output(GPIO_BACKLIGHT_EN, 1);
			if (rc < 0) {
				pr_err("failed to enable backlight\n");
				goto fail_gpio2;
			}
		}

		rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_dsi), regs_dsi);
		if (rc) {
			pr_err("%s: could not get regulators: %d\n",
					__func__, rc);
			goto fail_gpio2;
		}

		rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_dsi), regs_dsi);
		if (rc) {
			pr_err("%s: could not set voltages: %d\n",
					__func__, rc);
			goto fail_vreg;
		}
		if (pmapp_disp_backlight_set_brightness(100))
			pr_err("backlight set brightness failed\n");

		dsi_gpio_initialized = 1;
	}

	if (machine_is_msm7x27a_surf() || machine_is_msm7625a_surf()) {
		gpio_set_value_cansleep(GPIO_DISPLAY_PWR_EN, on);
		gpio_set_value_cansleep(GPIO_BACKLIGHT_EN, on);
	} else if (machine_is_msm7x27a_ffa() ||
			 machine_is_msm7625a_ffa()) {
		if (on) {
			/* This line drives an active low pin on FFA */
			rc = gpio_direction_output(GPIO_DISPLAY_PWR_EN, !on);
			if (rc < 0)
				pr_err("failed to set direction for "
					"display pwr\n");
		} else {
			gpio_set_value_cansleep(GPIO_DISPLAY_PWR_EN, !on);
			rc = gpio_direction_input(GPIO_DISPLAY_PWR_EN);
			if (rc < 0)
				pr_err("failed to set direction for "
					"display pwr\n");
		}
	}

	if (on) {
		gpio_set_value_cansleep(GPIO_LCDC_BRDG_PD, 0);

		if (machine_is_msm7x27a_surf() ||
				 machine_is_msm7625a_surf()) {
			lcdc_reset_cfg = readl_relaxed(lcdc_reset_ptr);
			rmb();
			lcdc_reset_cfg &= ~1;

			writel_relaxed(lcdc_reset_cfg, lcdc_reset_ptr);
			msleep(20);
			wmb();
			lcdc_reset_cfg |= 1;
			writel_relaxed(lcdc_reset_cfg, lcdc_reset_ptr);
		} else {
			gpio_set_value_cansleep(GPIO_LCDC_BRDG_RESET_N, 0);
			msleep(20);
			gpio_set_value_cansleep(GPIO_LCDC_BRDG_RESET_N, 1);
		}
	} else {
		gpio_set_value_cansleep(GPIO_LCDC_BRDG_PD, 1);
	}

	rc = on ? regulator_bulk_enable(ARRAY_SIZE(regs_dsi), regs_dsi) :
		  regulator_bulk_disable(ARRAY_SIZE(regs_dsi), regs_dsi);

	if (rc)
		pr_err("%s: could not %sable regulators: %d\n",
				__func__, on ? "en" : "dis", rc);

	return rc;

fail_vreg:
	regulator_bulk_free(ARRAY_SIZE(regs_dsi), regs_dsi);
fail_gpio2:
	gpio_free(GPIO_BACKLIGHT_EN);
fail_gpio1:
	gpio_free(GPIO_DISPLAY_PWR_EN);
	dsi_gpio_initialized = 0;
	return rc;
}