Exemple #1
0
void s3c_i2c4_cfg_gpio(struct platform_device *dev)
{
	if (soc_is_exynos4210())
		s3c_gpio_cfgall_range(EXYNOS4_GPB(2), 2,
				      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);

	else if (soc_is_exynos4212() || soc_is_exynos4412())
		s3c_gpio_cfgall_range(EXYNOS4_GPB(0), 2,
				      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);

	else if (soc_is_exynos5250())
		s3c_gpio_cfgall_range(EXYNOS5_GPA2(0), 2,
				      S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP);

	else
		pr_err("failed to configure gpio for i2c4\n");
}
static int __maybe_unused exynos_usb_hsic_exit(struct platform_device *pdev)
{
	u32 hsic_ctrl;

	if (soc_is_exynos4212() || soc_is_exynos4412()) {
		exynos_usb_phy_control(USB_PHY_HSIC0
			| USB_PHY_HSIC1,
			PHY_DISABLE);
	} else {
		hsic_ctrl = (HSIC_CTRL_REFCLKDIV(0x24) | HSIC_CTRL_REFCLKSEL(0x2) |
				HSIC_CTRL_SIDDQ | HSIC_CTRL_FORCESLEEP | HSIC_CTRL_FORCESUSPEND);
		writel(hsic_ctrl, EXYNOS5_PHY_HSIC_CTRL1);
		writel(hsic_ctrl, EXYNOS5_PHY_HSIC_CTRL2);
	}

	return 0;
}
Exemple #3
0
static int __init exynos_dma_init(void)
{
	if (soc_is_exynos4210()) {
		exynos_device_pdma0.dev.platform_data = &exynos4210_pdma0_pdata;
		exynos_device_pdma1.dev.platform_data = &exynos4210_pdma1_pdata;
	} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
		exynos_device_pdma0.dev.platform_data = &exynos4212_pdma0_pdata;
		exynos_device_pdma1.dev.platform_data = &exynos4212_pdma1_pdata;
	} else if (soc_is_exynos5210() || soc_is_exynos5250()) {
		exynos_device_pdma0.dev.platform_data = &exynos5210_pdma0_pdata;
		exynos_device_pdma1.dev.platform_data = &exynos5210_pdma1_pdata;
	}

	platform_add_devices(exynos_dmacs, ARRAY_SIZE(exynos_dmacs));

	return 0;
}
int s5p_usb_phy_suspend(struct platform_device *pdev, int type)
{
	int ret = 0;
#ifdef CONFIG_USB_OHCI_S5P
	struct s5p_ohci_hcd *s5p_ohci = platform_get_drvdata(&s5p_device_ohci);
	struct usb_hcd *ohci_hcd = s5p_ohci->hcd;
	u32 phyclk;
#endif

	if (exynos_usb_phy_clock_enable(pdev))
		return 0;

	mutex_lock(&phy_lock);

	if (!strcmp(pdev->name, "s5p-ehci"))
		clear_bit(HOST_PHY_EHCI, &usb_phy_control.flags);
	else if (!strcmp(pdev->name, "s5p-ohci"))
		clear_bit(HOST_PHY_OHCI, &usb_phy_control.flags);

	if (usb_phy_control.flags)
		goto done;

	if (type == S5P_USB_PHY_HOST) {
		if (soc_is_exynos4210() ||
			soc_is_exynos4212() ||
			soc_is_exynos4412()) {
#ifdef CONFIG_USB_OHCI_S5P
			/* Set OHCI clock off when ohci_hcd is suspended */
			if (ohci_hcd->state == HC_STATE_SUSPENDED) {
				phyclk = readl(EXYNOS4_PHYCLK);
				phyclk &= ~(PHY1_COMMON_ON_N);
				writel(phyclk, EXYNOS4_PHYCLK);
			}
			dev_info(&pdev->dev, "host_phy_susp:%d\n",
					ohci_hcd->state);
#endif
			ret = exynos4_usb_phy1_suspend(pdev);
		} else
			ret = exynos5_usb_phy_host_suspend(pdev);
	}
done:
	mutex_unlock(&phy_lock);
	exynos_usb_phy_clock_disable(pdev);

	return ret;
}
static int exynos_usb_phy_clock_disable(struct platform_device *pdev)
{
	if (!phy_clk) {
		if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
			phy_clk = clk_get(&pdev->dev, "usbotg");
		else
			phy_clk = clk_get(&pdev->dev, "usbhost");
		if (IS_ERR(phy_clk)) {
			dev_err(&pdev->dev, "Failed to get phy clock\n");
			return PTR_ERR(phy_clk);
		}
	}

	clk_disable(phy_clk);

	return 0;
}
Exemple #6
0
static int exynos_cpufreq_probe(struct platform_device *pdev)
{
	int ret = -EINVAL;

	exynos_info = kzalloc(sizeof(*exynos_info), GFP_KERNEL);
	if (!exynos_info)
		return -ENOMEM;

	exynos_info->dev = &pdev->dev;

	if (soc_is_exynos4210())
		ret = exynos4210_cpufreq_init(exynos_info);
	else if (soc_is_exynos4212() || soc_is_exynos4412())
		ret = exynos4x12_cpufreq_init(exynos_info);
	else if (soc_is_exynos5250())
		ret = exynos5250_cpufreq_init(exynos_info);
	else
		return 0;

	if (ret)
		goto err_vdd_arm;

	if (exynos_info->set_freq == NULL) {
		dev_err(&pdev->dev, "No set_freq function (ERR)\n");
		goto err_vdd_arm;
	}

	arm_regulator = regulator_get(NULL, "vdd_arm");
	if (IS_ERR(arm_regulator)) {
		dev_err(&pdev->dev, "failed to get resource vdd_arm\n");
		goto err_vdd_arm;
	}

	/* Done here as we want to capture boot frequency */
	locking_frequency = clk_get_rate(exynos_info->cpu_clk) / 1000;

	if (!cpufreq_register_driver(&exynos_driver))
		return 0;

	dev_err(&pdev->dev, "failed to register cpufreq driver\n");
	regulator_put(arm_regulator);
err_vdd_arm:
	kfree(exynos_info);
	return -EINVAL;
}
void __init smp_init_cpus(void)
{
	void __iomem *scu_base = scu_base_addr();
	unsigned int i, ncores;

	if (soc_is_exynos4210() || soc_is_exynos4212() ||
			soc_is_exynos5250() || soc_is_exynos3250())
		ncores = 2;
	else if (soc_is_exynos4412() || soc_is_exynos5410()
		|| soc_is_exynos4415() || soc_is_exynos3470())
		ncores = 4;
	else if (soc_is_exynos5260())
#ifdef CONFIG_EXYNOS5_MP
		ncores = NR_CPUS;
#else
		ncores = read_cpuid_mpidr() & 0x100 ? 4 : 2;
#endif
	else if (soc_is_exynos5420())
static int exynos_cfg_i2s_gpio(struct platform_device *pdev)
{
	/* configure GPIO for i2s port */
	struct exynos_gpio_cfg exynos4_cfg[3] = {
				{ EXYNOS4_GPZ(0),  7, S3C_GPIO_SFN(2) },
				{ EXYNOS4_GPC0(0), 5, S3C_GPIO_SFN(2) },
				{ EXYNOS4_GPC1(0), 5, S3C_GPIO_SFN(2) }
	};
	struct exynos_gpio_cfg exynos5_cfg[3] = {
				{ EXYNOS5_GPZ(0),  7, S3C_GPIO_SFN(2) },
				{ EXYNOS5_GPB0(0), 5, S3C_GPIO_SFN(2) },
				{ EXYNOS5_GPB1(0), 5, S3C_GPIO_SFN(2) }
	};
	struct exynos_gpio_cfg exynos5410_cfg[3] = {
				{ EXYNOS5410_GPZ(0),  7, S3C_GPIO_SFN(2) },
				{ EXYNOS5410_GPB0(0), 5, S3C_GPIO_SFN(2) },
				{ EXYNOS5410_GPB1(0), 5, S3C_GPIO_SFN(2) }
	};
	struct exynos_gpio_cfg exynos5420_cfg[3] = {
				{ EXYNOS5420_GPZ(0),  7, S3C_GPIO_SFN(2) },
				{ EXYNOS5420_GPB0(0), 5, S3C_GPIO_SFN(2) },
				{ EXYNOS5420_GPB1(0), 5, S3C_GPIO_SFN(2) }
	};

	if (pdev->id < 0 || pdev->id > 2) {
		printk(KERN_ERR "Invalid Device %d\n", pdev->id);
		return -EINVAL;
	}

	if (soc_is_exynos5250())
		s3c_gpio_cfgpin_range(exynos5_cfg[pdev->id].addr,
			exynos5_cfg[pdev->id].num, exynos5_cfg[pdev->id].bit);
	else if (soc_is_exynos5410())
		s3c_gpio_cfgpin_range(exynos5410_cfg[pdev->id].addr,
			exynos5410_cfg[pdev->id].num, exynos5410_cfg[pdev->id].bit);
	else if (soc_is_exynos5420())
		s3c_gpio_cfgpin_range(exynos5420_cfg[pdev->id].addr,
			exynos5420_cfg[pdev->id].num, exynos5420_cfg[pdev->id].bit);
	else if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
		s3c_gpio_cfgpin_range(exynos4_cfg[pdev->id].addr,
			exynos4_cfg[pdev->id].num, exynos4_cfg[pdev->id].bit);

	return 0;
}
Exemple #9
0
void __init s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *pd)
{
	struct s3c2410_platform_i2c *npd;

	if (!pd) {
		pd = &default_i2c_data;

		if (soc_is_exynos4210() ||
		    soc_is_exynos4212() || soc_is_exynos4412())
			pd->bus_num = 8;
		else if (soc_is_s5pv210())
			pd->bus_num = 3;
		else
			pd->bus_num = 0;
	}

	npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
			       &s5p_device_i2c_hdmiphy);
}
int s5p_usb_phy_exit(struct platform_device *pdev, int type)
{
	int ret = -EINVAL;

	if (exynos_usb_phy_clock_enable(pdev))
		return ret;

	mutex_lock(&phy_lock);

	if (type == S5P_USB_PHY_HOST) {
		if (soc_is_exynos4210())
			ret = exynos4_usb_phy1_exit(pdev);
		else if (soc_is_exynos4212() || soc_is_exynos4412())
			ret = exynos4_usb_phy20_exit(pdev);
		else
			ret = exynos5_usb_phy20_exit(pdev);

		if (!strcmp(pdev->name, "s5p-ehci"))
			clear_bit(HOST_PHY_EHCI, &usb_phy_control.flags);
		else if (!strcmp(pdev->name, "s5p-ohci"))
			clear_bit(HOST_PHY_OHCI, &usb_phy_control.flags);
	} else if (type == S5P_USB_PHY_DEVICE) {
		/* set default usb phy tune */
		if (pdev->dev.platform_data && soc_is_exynos4210())
			ret = s5p_usb_phy0_tune(pdev->dev.platform_data, 1);
		if (soc_is_exynos4210())
			ret = exynos4_usb_phy0_exit(pdev);
		else
			ret = exynos_usb_dev_phy20_exit(pdev);
	} else if (type == S5P_USB_PHY_DRD)
		ret = exynos5_usb_phy30_exit(pdev);
	else if (type == S5P_USB_PHY_OTGHOST) {
		if (soc_is_exynos4210())
			ret = exynos4_usb_phy0_exit(pdev);
		else
			ret = exynos_usb_dev_phy20_exit(pdev);
	}

	mutex_unlock(&phy_lock);
	exynos_usb_phy_clock_disable(pdev);

	return ret;
}
void exynos4_sys_powerdown_conf(enum sys_powerdown mode)
{
	unsigned int count = entry_cnt;
	unsigned int tmp;

	for (; count > 0; count--){
		if(S5P_XUSBXTI_SYS != exynos4_pmu_config[count - 1].reg){
			__raw_writel(exynos4_pmu_config[count - 1].val[mode],
					exynos4_pmu_config[count - 1].reg);
		}
		else if(S5P_XUSBXTI_SYS == exynos4_pmu_config[count - 1].reg){
			//printk("++++++++++++Terry++++++++++call_flag=%d , mode=%d \n", tc4_get_call_flg(),mode);
			if((tc4_get_call_flg() != 1)||(mode != SYS_SLEEP)){
				//printk("%s ------Terry1--------close xclk------tc4_get_call_flg=%d---\n",__func__,tc4_get_call_flg());
				__raw_writel(exynos4_pmu_config[count - 1].val[mode],
						exynos4_pmu_config[count - 1].reg);
			}
			else
			{
				//printk("%s ------Terry2--------close xclk------tc4_get_call_flg=%d---\n",__func__,tc4_get_call_flg());
				__raw_writel(0x1, exynos4_pmu_config[count - 1].reg);
			}
		} 
	}

	if ((!soc_is_exynos4210()) && (exynos4_is_c2c_use())) {
		for (count = 0 ; count < ARRAY_SIZE(exynos4x12_c2c_pmu_conf) ; count++)
			__raw_writel(exynos4x12_c2c_pmu_conf[count].val[mode],
					exynos4x12_c2c_pmu_conf[count].reg);

		if (soc_is_exynos4212())
			__raw_writel(exynos4212_c2c_pmu_conf[0].val[mode],
					exynos4212_c2c_pmu_conf[0].reg);

		for (count = 0 ; count < ARRAY_SIZE(exynos4_config_for_c2c) ; count++) {
			printk("exynos4_config_for_c2c \n");

			tmp = __raw_readl(exynos4_config_for_c2c[count].reg);
			tmp |= exynos4_config_for_c2c[count].val;
			__raw_writel(tmp, exynos4_config_for_c2c[count].reg);
		}
	}
}
static int exynos_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
{
	struct dw_mci *host = (struct dw_mci *)data;

	/* Set Phase Shift Register */
	if (soc_is_exynos4210()) {
		host->pdata->sdr_timing = 0x00010001;
		host->pdata->ddr_timing = 0x00020002;
	} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
		host->pdata->sdr_timing = 0x00010001;
		host->pdata->ddr_timing = 0x00010002;
	}
#ifdef CONFIG_SLP
	host->pdata->sdr_timing = 0x00020001;
	host->pdata->ddr_timing = 0x00020002;
#endif

	return 0;
}
Exemple #13
0
int __init exynos4_init(void)
{
    unsigned int value;
    unsigned int tmp;
    unsigned int i;

    printk(KERN_INFO "EXYNOS4: Initializing architecture\n");

    /* set idle function */
    pm_idle = exynos4_idle;

    /*
     * on exynos4x12, CMU reset system power register should to be set 0x0
     */
    if (!soc_is_exynos4210()) {
        for (i = 0; i < ARRAY_SIZE(exynos4_pmu_init_zero); i++)
            __raw_writel(0x0, exynos4_pmu_init_zero[i]);
    }

    /* set sw_reset function */
    s5p_reset_hook = exynos4_sw_reset;

    /* Disable auto wakeup from power off mode */
    for (i = 0; i < num_possible_cpus(); i++) {
        tmp = __raw_readl(S5P_ARM_CORE_OPTION(i));
        tmp &= ~S5P_CORE_OPTION_DIS;
        __raw_writel(tmp, S5P_ARM_CORE_OPTION(i));
    }

    if (soc_is_exynos4212() || soc_is_exynos4412()) {
        value = __raw_readl(S5P_AUTOMATIC_WDT_RESET_DISABLE);
        value &= ~S5P_SYS_WDTRESET;
        __raw_writel(value, S5P_AUTOMATIC_WDT_RESET_DISABLE);
        value = __raw_readl(S5P_MASK_WDT_RESET_REQUEST);
        value &= ~S5P_SYS_WDTRESET;
        //__raw_writel(value, S5P_MASK_WDT_RESET_REQUEST);
        //Temperory ignore ISP reset, for ISP test. Jiangshanbin120405
        __raw_writel((value | (1<< 26)), S5P_MASK_WDT_RESET_REQUEST);

    }

    return sysdev_register(&exynos4_sysdev);
}
static mali_bool mali_dvfs_table_update(void)
{
	unsigned int i;
	unsigned int step_num = MALI_DVFS_STEPS;

	if(soc_is_exynos4412()) {
		/*check it's pega-prime or pega-Q*/
		if(samsung_rev() < EXYNOS4412_REV_2_0) {
			step_num = MALI_DVFS_STEPS-1;
			for (i = 0; i < step_num; i++) {
				MALI_PRINT((":::exynos_result_of_asv : %d\n", exynos_result_of_asv));
				mali_dvfs[i].vol = asv_3d_volt_4412_9_table[i][exynos_result_of_asv];
				MALI_PRINT(("mali_dvfs[%d].vol = %d\n", i, mali_dvfs[i].vol));
			}
		}
		/* For Pega-Prime e-fuse, add 25mV from default ASV table*/
/*		else if((is_special_flag() >> G3D_LOCK_FLAG) & 0x1) {
			for (i = 0; i < step_num; i++) {
				MALI_PRINT((":::exynos_result_of_asv : %d\n", exynos_result_of_asv));
				mali_dvfs[i].vol = asv_3d_volt_9_table_for_prime[i][exynos_result_of_asv] + 25000;
				MALI_PRINT(("mali_dvfs[%d].vol = %d\n", i, mali_dvfs[i].vol));
			}
		}*/
		/* pega-prime default ASV table */
		else {
			for (i = 0; i < step_num; i++) {
				MALI_PRINT((":::exynos_result_of_asv : %d\n", exynos_result_of_asv));
				mali_dvfs[i].vol = asv_3d_volt_9_table_for_prime[i][exynos_result_of_asv];
				MALI_PRINT(("mali_dvfs[%d].vol = %d\n", i, mali_dvfs[i].vol));
			} 
		}
	}
	else if(soc_is_exynos4212()) {
		for (i = 0; i < step_num; i++) {
			MALI_PRINT((":::exynos_result_of_asv : %d\n", exynos_result_of_asv));
			mali_dvfs[i].vol = asv_3d_volt_4212_9_table[i][exynos_result_of_asv];
			MALI_PRINT(("mali_dvfs[%d].vol = %d\n", i, mali_dvfs[i].vol));
		}
	}

	return MALI_TRUE;
}
static void exynos_usb_mux_change(struct platform_device *pdev, int val)
{
	u32 is_host;

	if(val)
		return;

	if (soc_is_exynos4212() || soc_is_exynos4412()) {
		is_host = readl(EXYNOS4_USB_CFG);
		writel(val, EXYNOS4_USB_CFG);
	} else {
		is_host = readl(EXYNOS5_USB_CFG);
		writel(val, EXYNOS5_USB_CFG);
	}

	if (is_host != val)
		dev_dbg(&pdev->dev, "Change USB MUX from %s to %s",
			is_host ? "Host" : "Device",
			val ? "Host" : "Device");
}
Exemple #16
0
static int exynos_cpu_boot(int cpu)
{
	/*
	 * Exynos3250 doesn't need to send smc command for secondary CPU boot
	 * because Exynos3250 removes WFE in secure mode.
	 */
	if (soc_is_exynos3250())
		return 0;

	/*
	 * The second parameter of SMC_CMD_CPU1BOOT command means CPU id.
	 * But, Exynos4212 has only one secondary CPU so second parameter
	 * isn't used for informing secure firmware about CPU id.
	 */
	if (soc_is_exynos4212())
		cpu = 0;

	exynos_smc(SMC_CMD_CPU1BOOT, cpu, 0, 0);
	return 0;
}
Exemple #17
0
void __init s5p_hdmi_set_platdata(struct i2c_board_info *hdmiphy_info,
				  struct i2c_board_info *mhl_info, int mhl_bus)
{
	struct s5p_hdmi_platform_data *pd = &s5p_hdmi_def_platdata;

	if (soc_is_exynos4210() ||
	    soc_is_exynos4212() || soc_is_exynos4412())
		pd->hdmiphy_bus = 8;
	else if (soc_is_s5pv210())
		pd->hdmiphy_bus = 3;
	else
		pd->hdmiphy_bus = 0;

	pd->hdmiphy_info = hdmiphy_info;
	pd->mhl_info = mhl_info;
	pd->mhl_bus = mhl_bus;

	s3c_set_platdata(pd, sizeof(struct s5p_hdmi_platform_data),
			 &s5p_device_hdmi);
}
Exemple #18
0
static int __init exynos4_l2x0_cache_init(void)
{
	/* TAG, Data Latency Control: 2cycle */
	__raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL);

	if (soc_is_exynos4210())
		__raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);
	else if (soc_is_exynos4212() || soc_is_exynos4412())
		__raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL);

	/* L2X0 Prefetch Control */
	__raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL);

	/* L2X0 Power Control */
	__raw_writel(L2X0_DYNAMIC_CLK_GATING_EN | L2X0_STNDBY_MODE_EN,
		     S5P_VA_L2CC + L2X0_POWER_CTRL);

	l2x0_init(S5P_VA_L2CC, 0x7C470001, 0xC200ffff);

	return 0;
}
Exemple #19
0
/**
 * mshci_s3c_get_max_clk - callback to get maximum clock frequency.
 * @host: The MSHCI host instance.
 *
 * Callback to return the maximum clock rate acheivable by the controller.
*/
static unsigned int mshci_s3c_get_max_clk(struct mshci_host *host)
{
    struct mshci_s3c *ourhost = to_s3c(host);
    struct clk *busclk;
    unsigned int rate, max;
    int clk;

    for (max = 0, clk = 0; clk < MAX_BUS_CLK; clk++) {
        busclk = ourhost->clk_bus[clk];
        if (!busclk)
            continue;

        rate = clk_get_rate(busclk);
        /* It should be checked later ############# */
        if (rate > max) {
            if ((soc_is_exynos4412() || soc_is_exynos4212()) &&
                    (samsung_rev() >= EXYNOS4412_REV_1_0))
                max = rate >> 2;
            else
                max = rate >> 1;
        }
    }
Exemple #20
0
int s3cfb_enable_window(struct s3cfb_global *fbdev, int id)
{
	struct s3cfb_window *win = fbdev->fb[id]->par;

#ifdef CONFIG_BUSFREQ_OPP
	if (soc_is_exynos4212() || soc_is_exynos4412()) {
		if (id != CONFIG_FB_S5P_DEFAULT_WINDOW)
			dev_lock(fbdev->bus_dev, fbdev->dev, 133133);
	}
#endif

	if (!win->enabled)
		atomic_inc(&fbdev->enabled_win);

	if (s3cfb_window_on(fbdev, id)) {
		win->enabled = 0;
		return -EFAULT;
	} else {
		win->enabled = 1;
		return 0;
	}
}
void __init s3c_csis0_set_platdata(struct s3c_platform_csis *pd)
{
	struct s3c_platform_csis *npd;

	if (!pd) {
		pd = &default_csis0_data_rev2;
	}

	npd = kmemdup(pd, sizeof(struct s3c_platform_csis), GFP_KERNEL);
	if (!npd) {
		printk(KERN_ERR "%s: no memory for platform data\n", __func__);
		return;
	}

	if (soc_is_exynos4212() || soc_is_exynos4412())
		npd->srclk_name = "mout_mpll_user";
	npd->cfg_gpio = s3c_csis0_cfg_gpio;
	npd->cfg_phy_global = s3c_csis0_cfg_phy_global;
	npd->clk_on = s3c_csis_clk_on;
	npd->clk_off = s3c_csis_clk_off;
	s3c_device_csis0.dev.platform_data = npd;
}
int s5p_usb_phy_resume(struct platform_device *pdev, int type)
{
    int ret = 0;
#ifdef CONFIG_USB_OHCI_S5P
    u32 phyclk;
#endif
    if (exynos_usb_phy_clock_enable(pdev))
        return 0;

    mutex_lock(&phy_lock);

    if (usb_phy_control.flags)
        goto done;

    if (type == S5P_USB_PHY_HOST) {
        if (soc_is_exynos4210() ||
                soc_is_exynos4212() ||
                soc_is_exynos4412()) {
#ifdef CONFIG_USB_OHCI_S5P
            phyclk = readl(EXYNOS4_PHYCLK);
            phyclk |= PHY1_COMMON_ON_N;
            writel(phyclk, EXYNOS4_PHYCLK);
#endif
            ret = exynos4_usb_phy1_resume(pdev);
        } else
            ret = exynos5_usb_phy_host_resume(pdev);
    }
done:
    if (!strcmp(pdev->name, "s5p-ehci"))
        set_bit(HOST_PHY_EHCI, &usb_phy_control.flags);
    else if (!strcmp(pdev->name, "s5p-ohci"))
        set_bit(HOST_PHY_OHCI, &usb_phy_control.flags);

    mutex_unlock(&phy_lock);
    exynos_usb_phy_clock_disable(pdev);

    return ret;
}
Exemple #23
0
void __init platform_smp_prepare_cpus(unsigned int max_cpus)
{
	int i;

	if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
		scu_enable(scu_base_addr());

	for (i = 1; i < max_cpus; i++) {
		int pwr_offset = 0;

#ifdef CONFIG_ARM_TRUSTZONE
		cpu_boot_info[i].boot_base = S5P_VA_SYSRAM_NS + 0x1C;
#else

		if (soc_is_exynos4210() &&
			(samsung_rev() >= EXYNOS4210_REV_1_1))
			cpu_boot_info[i].boot_base = EXYNOS_INFORM5;
		else
			cpu_boot_info[i].boot_base = S5P_VA_SYSRAM;
#endif
		if (soc_is_exynos4412())
			cpu_boot_info[i].boot_base += (0x4 * i);
		else if (soc_is_exynos5410()) {
			int cluster_id = read_cpuid_mpidr() & 0x100;
			if (samsung_rev() < EXYNOS5410_REV_1_0) {
				if (cluster_id == 0)
					pwr_offset = 4;
			} else {
				if (cluster_id != 0)
					pwr_offset = 4;
			}
		}

		cpu_boot_info[i].power_base =
			EXYNOS_ARM_CORE_CONFIGURATION(i + pwr_offset);
	}
}
int s5p_usb_phy_suspend(struct platform_device *pdev, int type)
{
	int ret = 0;
#ifdef CONFIG_USB_OHCI_S5P
	struct s5p_ohci_hcd *s5p_ohci = platform_get_drvdata(&s5p_device_ohci);
	struct usb_hcd *ohci_hcd = s5p_ohci->hcd;
	u32 phyclk;
#endif

	if (exynos_usb_phy_clock_enable(pdev))
		return 0;

	mutex_lock(&phy_lock);

	if (!strcmp(pdev->name, "s5p-ehci"))
		clear_bit(HOST_PHY_EHCI, &usb_phy_control.flags);
	else if (!strcmp(pdev->name, "s5p-ohci"))
		clear_bit(HOST_PHY_OHCI, &usb_phy_control.flags);

	if (usb_phy_control.flags)
		goto done;

	if (type == S5P_USB_PHY_HOST) {
		if (soc_is_exynos4210() ||
			soc_is_exynos4212() ||
			soc_is_exynos4412())
			ret = exynos4_usb_phy1_suspend(pdev);
		else
			ret = exynos5_usb_phy_host_suspend(pdev);
	}
done:
	mutex_unlock(&phy_lock);
	exynos_usb_phy_clock_disable(pdev);

	return ret;
}
Exemple #25
0
static int __init exynos4_pmu_init(void)
{
	unsigned int i;

	if(!soc_is_exynos4210())
		exynos4_reset_assert_ctrl(1);

	/*
	 * on exynos4x12, CMU reset system power register should to be set 0x0
	 */
	if (!soc_is_exynos4210()) {
		for (i = 0; i < ARRAY_SIZE(exynos4_pmu_init_zero); i++)
			__raw_writel(0x0, exynos4_pmu_init_zero[i]);
	}

	if (soc_is_exynos4210()) {
		exynos4_pmu_config = exynos4210_pmu_config;
		entry_cnt = ARRAY_SIZE(exynos4210_pmu_config);
		printk(KERN_INFO "%s: PMU supports 4210(%d)\n",
					__func__, entry_cnt);
	} else if (soc_is_exynos4212()) {
		exynos4_pmu_config = exynos4212_pmu_config;
		entry_cnt = ARRAY_SIZE(exynos4212_pmu_config);
		printk(KERN_INFO "%s: PMU supports 4212(%d)\n",
					__func__, entry_cnt);
	} else if (soc_is_exynos4412()) {
		exynos4_pmu_config = exynos4412_pmu_config;
		entry_cnt = ARRAY_SIZE(exynos4412_pmu_config);
		printk(KERN_INFO "%s: PMU supports 4412(%d)\n",
					__func__, entry_cnt);
	} else {
		printk(KERN_INFO "%s: PMU not supported\n", __func__);
	}

	return 0;
}
void __init exynos_dwmci_set_platdata(struct dw_mci_board *pd)
{
	struct dw_mci_board *npd = NULL;

	if ((soc_is_exynos4210()) ||
		soc_is_exynos4212() || soc_is_exynos4412()) {
		npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board), &exynos_device_dwmci);
	} else {
		printk("dwmci platform data support only exynos4/5!\n");
#ifdef CONFIG_SLP
	npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board),
			&exynos_device_dwmci);
#endif
	}

	if (npd) {
	if (!npd->init)
		npd->init = exynos_dwmci_init;
	if (!npd->get_bus_wd)
		npd->get_bus_wd = exynos_dwmci_get_bus_wd;
		if (!npd->set_io_timing)
			npd->set_io_timing = exynos_dwmci_set_io_timing;
	}
}
static u32 exynos_usb_phy_set_clock(struct platform_device *pdev)
{
	struct clk *ref_clk;
	u32 refclk_freq = 0;

	if (soc_is_exynos4210() || soc_is_exynos4212() || soc_is_exynos4412())
		ref_clk = clk_get(&pdev->dev, "xusbxti");
	else
		ref_clk = clk_get(&pdev->dev, "ext_xtal");

	if (IS_ERR(ref_clk)) {
		dev_err(&pdev->dev, "Failed to get reference clock\n");
		return PTR_ERR(ref_clk);
	}

	if (soc_is_exynos4210()) {
		switch (clk_get_rate(ref_clk)) {
		case 12 * MHZ:
			refclk_freq = EXYNOS4210_CLKSEL_12M;
			break;
		case 48 * MHZ:
			refclk_freq = EXYNOS4210_CLKSEL_48M;
			break;
		case 24 * MHZ:
		default:
			/* default reference clock */
			refclk_freq = EXYNOS4210_CLKSEL_24M;
			break;
		}
	} else if (soc_is_exynos4212() | soc_is_exynos4412()) {
		switch (clk_get_rate(ref_clk)) {
		case 96 * 100000:
			refclk_freq = EXYNOS4212_CLKSEL_9600K;
			break;
		case 10 * MHZ:
			refclk_freq = EXYNOS4212_CLKSEL_10M;
			break;
		case 12 * MHZ:
			refclk_freq = EXYNOS4212_CLKSEL_12M;
			break;
		case 192 * 100000:
			refclk_freq = EXYNOS4212_CLKSEL_19200K;
			break;
		case 20 * MHZ:
			refclk_freq = EXYNOS4212_CLKSEL_20M;
			break;
		case 24 * MHZ:
		default:
			/* default reference clock */
			refclk_freq = EXYNOS4212_CLKSEL_24M;
			break;
		}
	} else {
		switch (clk_get_rate(ref_clk)) {
		case 96 * 100000:
			refclk_freq = EXYNOS5_CLKSEL_9600K;
			break;
		case 10 * MHZ:
			refclk_freq = EXYNOS5_CLKSEL_10M;
			break;
		case 12 * MHZ:
			refclk_freq = EXYNOS5_CLKSEL_12M;
			break;
		case 192 * 100000:
			refclk_freq = EXYNOS5_CLKSEL_19200K;
			break;
		case 20 * MHZ:
			refclk_freq = EXYNOS5_CLKSEL_20M;
			break;
		case 50 * MHZ:
			refclk_freq = EXYNOS5_CLKSEL_50M;
			break;
		case 24 * MHZ:
		default:
			/* default reference clock */
			refclk_freq = EXYNOS5_CLKSEL_24M;
			break;
		}
	}
	clk_put(ref_clk);

	return refclk_freq;
}
static int __init exynos_dma_init(void)
{
	if (of_have_populated_dt())
		return 0;

	if (soc_is_exynos4210()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos4210_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos4210_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos4210_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos4210_pdma1_peri;
	} else if (soc_is_exynos4212() || soc_is_exynos4412()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos4212_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos4212_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos4212_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos4212_pdma1_peri;
	} else if (soc_is_exynos4415()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos4415_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos4415_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos4415_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos4415_pdma1_peri;
	} else if (soc_is_exynos5250()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5250_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos5250_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5250_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos5250_pdma1_peri;
	} else if (soc_is_exynos5410()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5410_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos5410_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5410_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos5410_pdma1_peri;
	} else if (soc_is_exynos5420()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5420_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos5420_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5420_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos5420_pdma1_peri;
		exynos_adma0_pdata.nr_valid_peri =
			ARRAY_SIZE(adma0_peri);
		exynos_adma0_pdata.peri_id = adma0_peri;
	} else if (soc_is_exynos5260()) {
		exynos5260_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos5260_pdma0_peri);
		exynos5260_pdma0_pdata.peri_id = exynos5260_pdma0_peri;
	} else if (soc_is_exynos3470()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos3470_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos3470_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos3470_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos3470_pdma1_peri;
	} else if (soc_is_exynos3250()) {
		exynos_pdma0_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos3250_pdma0_peri);
		exynos_pdma0_pdata.peri_id = exynos3250_pdma0_peri;
		exynos_pdma1_pdata.nr_valid_peri =
			ARRAY_SIZE(exynos3250_pdma1_peri);
		exynos_pdma1_pdata.peri_id = exynos3250_pdma1_peri;
	}

	if (soc_is_exynos4210() || soc_is_exynos4212() ||
		soc_is_exynos4412() || soc_is_exynos3470()) {
		exynos_pdma0_device.res.start = EXYNOS4_PA_PDMA0;
		exynos_pdma0_device.res.end = EXYNOS4_PA_PDMA0 + SZ_4K;
		exynos_pdma0_device.irq[0] = EXYNOS4_IRQ_PDMA0;
		exynos_pdma1_device.res.start = EXYNOS4_PA_PDMA1;
		exynos_pdma1_device.res.end = EXYNOS4_PA_PDMA1 + SZ_4K;
		exynos_pdma1_device.irq[0] = EXYNOS4_IRQ_PDMA1;
		exynos_mdma_device.res.start = EXYNOS4_PA_MDMA1;
		exynos_mdma_device.res.end = EXYNOS4_PA_MDMA1 + SZ_4K;
		exynos_mdma_device.irq[0] = EXYNOS4_IRQ_MDMA1;
	} else if (soc_is_exynos5410() || soc_is_exynos5420()) {
		exynos_mdma_device.res.start = EXYNOS5_PA_MDMA0;
		exynos_mdma_device.res.end = EXYNOS5_PA_MDMA0 + SZ_4K;
		exynos_mdma_device.irq[0] = EXYNOS5_IRQ_MDMA0;
	} else if (soc_is_exynos5260()) {
		exynos5260_pdma0_device.res.start = EXYNOS5260_PA_PDMA0;
		exynos5260_pdma0_device.res.end = EXYNOS5260_PA_PDMA0 + SZ_4K;
		exynos5260_pdma0_device.irq[0] = EXYNOS5260_IRQ_PDMA0;
		exynos5260_mdma_device.res.start = EXYNOS5260_PA_NS_MDMA0;
		exynos5260_mdma_device.res.end = EXYNOS5260_PA_NS_MDMA0 + SZ_4K;
		exynos5260_mdma_device.irq[0] = EXYNOS5260_IRQ_MDMA_1;
		exynos5260_adma_device.res.start = EXYNOS5260_PA_ADMA0;
		exynos5260_adma_device.res.end = EXYNOS5260_PA_ADMA0 + SZ_4K;
		exynos5260_adma_device.irq[0] = EXYNOS5260_IRQ_ADMA;
	} else if (soc_is_exynos4415()) {
		exynos_pdma0_device.res.start = EXYNOS4_PA_PDMA0;
		exynos_pdma0_device.res.end = EXYNOS4_PA_PDMA0 + SZ_4K;
		exynos_pdma0_device.irq[0] = EXYNOS4_IRQ_PDMA0;
		exynos_pdma1_device.res.start = EXYNOS4_PA_PDMA1;
		exynos_pdma1_device.res.end = EXYNOS4_PA_PDMA1 + SZ_4K;
		exynos_pdma1_device.irq[0] = EXYNOS4_IRQ_PDMA1;
		exynos_mdma_device.res.start = EXYNOS4_PA_MDMA1;
		exynos_mdma_device.res.end = EXYNOS4_PA_MDMA1 + SZ_4K;
		exynos_mdma_device.irq[0] = EXYNOS4_IRQ_MDMA1;
	} else if (soc_is_exynos3250()) {
		exynos_pdma0_device.res.start = EXYNOS3_PA_PDMA0;
		exynos_pdma0_device.res.end = EXYNOS3_PA_PDMA0 + SZ_4K;
		exynos_pdma0_device.irq[0] = EXYNOS3_IRQ_PDMA0;
		exynos_pdma1_device.res.start = EXYNOS3_PA_PDMA1;
		exynos_pdma1_device.res.end = EXYNOS3_PA_PDMA1 + SZ_4K;
		exynos_pdma1_device.irq[0] = EXYNOS3_IRQ_PDMA1;
	}

	if (soc_is_exynos5260()) {
		dma_cap_set(DMA_SLAVE, exynos5260_pdma0_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos5260_pdma0_pdata.cap_mask);
		amba_device_register(&exynos5260_pdma0_device, &iomem_resource);

		dma_cap_set(DMA_MEMCPY, exynos5260_mdma_pdata.cap_mask);
		amba_device_register(&exynos5260_mdma_device, &iomem_resource);

		dma_cap_set(DMA_SLAVE, exynos5260_adma_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos5260_adma_pdata.cap_mask);
		amba_device_register(&exynos5260_adma_device, &iomem_resource);
	} else if (soc_is_exynos3250()) {
		dma_cap_set(DMA_SLAVE, exynos_pdma0_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos_pdma0_pdata.cap_mask);
		amba_device_register(&exynos_pdma0_device, &iomem_resource);

		dma_cap_set(DMA_SLAVE, exynos_pdma1_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos_pdma1_pdata.cap_mask);
		amba_device_register(&exynos_pdma1_device, &iomem_resource);
	} else {
		dma_cap_set(DMA_SLAVE, exynos_pdma0_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos_pdma0_pdata.cap_mask);
		amba_device_register(&exynos_pdma0_device, &iomem_resource);

		dma_cap_set(DMA_SLAVE, exynos_pdma1_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos_pdma1_pdata.cap_mask);
		amba_device_register(&exynos_pdma1_device, &iomem_resource);

		dma_cap_set(DMA_MEMCPY, exynos_mdma_pdata.cap_mask);
		amba_device_register(&exynos_mdma_device, &iomem_resource);
	}

	if (soc_is_exynos5420()) {
		dma_cap_set(DMA_SLAVE, exynos_adma0_pdata.cap_mask);
		dma_cap_set(DMA_CYCLIC, exynos_adma0_pdata.cap_mask);
		amba_device_register(&exynos_adma0_device, &iomem_resource);
	}

	return 0;
}
Exemple #29
0
static int mfc_open(struct inode *inode, struct file *file)
{
	struct mfc_inst_ctx *mfc_ctx;
	int ret;
	enum mfc_ret_code retcode;
	int inst_id;
#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	struct mfc_alloc_buffer *alloc;
#endif

	/* prevent invalid reference */
	file->private_data = NULL;

	mutex_lock(&mfcdev->lock);

#if defined(CONFIG_USE_MFC_CMA) && defined(CONFIG_MACH_MEHMET)
	if (atomic_read(&mfcdev->inst_cnt) == 0) {
		size_t size = 0x02800000;
		mfcdev->cma_vaddr = dma_alloc_coherent(mfcdev->device, size,
						&mfcdev->cma_dma_addr, 0);
		if (!mfcdev->cma_vaddr) {
			printk(KERN_ERR "%s: dma_alloc_coherent returns "
						"-ENOMEM\n", __func__);
			mutex_unlock(&mfcdev->lock);
			return -ENOMEM;
		}
		printk(KERN_INFO "%s[%d] size 0x%x, vaddr 0x%x, base 0x%x\n",
					 __func__, __LINE__, (int)size,
						(int)mfcdev->cma_vaddr,
						(int)mfcdev->cma_dma_addr);
	}
#endif

#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	if (mfcdev->drm_playback) {
		mfc_err("DRM playback was activated, cannot open no more instance\n");
		ret = -EINVAL;
		goto err_drm_playback;
	}
#endif
	if (!mfcdev->fw.state) {
		if (mfcdev->fw.requesting) {
			printk(KERN_INFO "MFC F/W request is on-going, try again\n");
			ret = -ENODEV;
			goto err_fw_state;
		}

		printk(KERN_INFO "MFC F/W is not existing, requesting...\n");
		ret = request_firmware(&mfcdev->fw.info, MFC_FW_NAME, mfcdev->device);

		if (ret < 0) {
			printk(KERN_INFO "failed to copy MFC F/W during open\n");
			ret = -ENODEV;
			goto err_fw_state;
		}

		if (soc_is_exynos4212() || soc_is_exynos4412()) {
			mfcdev->fw.state = mfc_load_firmware(mfcdev->fw.info->data, mfcdev->fw.info->size);
			if (!mfcdev->fw.state) {
				printk(KERN_ERR "failed to load MFC F/W, MFC will not working\n");
				ret = -ENODEV;
				goto err_fw_state;
			} else {
				printk(KERN_INFO "MFC F/W loaded successfully (size: %d)\n", mfcdev->fw.info->size);
			}
		}
	}

	if (atomic_read(&mfcdev->inst_cnt) == 0) {
#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
		if (check_magic(mfcdev->drm_info.addr)) {
			mfc_dbg("DRM playback starting\n");

			clear_magic(mfcdev->drm_info.addr);

			mfcdev->drm_playback = 1;

			mfc_set_buf_alloc_scheme(MBS_FIRST_FIT);
		} else {
			/* reload F/W for first instance again */
			if (soc_is_exynos4210()) {
				mfcdev->fw.state = mfc_load_firmware(mfcdev->fw.info->data, mfcdev->fw.info->size);
				if (!mfcdev->fw.state) {
					printk(KERN_ERR "failed to reload MFC F/W, MFC will not working\n");
					ret = -ENODEV;
					goto err_fw_state;
				} else {
					printk(KERN_INFO "MFC F/W reloaded successfully (size: %d)\n", mfcdev->fw.info->size);
				}
			}
		}
#else
		/* reload F/W for first instance again */
		if (soc_is_exynos4210()) {
			mfcdev->fw.state = mfc_load_firmware(mfcdev->fw.info->data, mfcdev->fw.info->size);
			if (!mfcdev->fw.state) {
				printk(KERN_ERR "failed to reload MFC F/W, MFC will not working\n");
				ret = -ENODEV;
				goto err_fw_state;
			} else {
				printk(KERN_INFO "MFC F/W reloaded successfully (size: %d)\n", mfcdev->fw.info->size);
			}
		}
#endif
		ret = mfc_power_on();
		if (ret < 0) {
			mfc_err("power enable failed\n");
			goto err_pwr_enable;
		}

#ifndef CONFIG_PM_RUNTIME
#ifdef SYSMMU_MFC_ON
		mfc_clock_on();

		s5p_sysmmu_enable(mfcdev->device);

#ifdef CONFIG_VIDEO_MFC_VCM_UMP
		vcm_set_pgtable_base(VCM_DEV_MFC);
#else /* CONFIG_S5P_VMEM or kernel virtual memory allocator */
		s5p_sysmmu_set_tablebase_pgd(mfcdev->device,
							__pa(swapper_pg_dir));

		/*
		 * RMVME: the power-gating work really (on <-> off),
		 * all TBL entry was invalidated already when the power off
		 */
		s5p_sysmmu_tlb_invalidate(mfcdev->device, SYSMMU_MFC_R);
#endif
		mfc_clock_off();
#endif
#endif
		/* MFC hardware initialization */
		retcode = mfc_start(mfcdev);
		if (retcode != MFC_OK) {
			mfc_err("MFC H/W init failed: %d\n", retcode);
			ret = -ENODEV;
			goto err_start_hw;
		}
	}
#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	else {
		if (check_magic(mfcdev->drm_info.addr)) {
			clear_magic(mfcdev->drm_info.addr);
			mfc_err("MFC instances are not cleared before DRM playback!\n");
			ret = -EINVAL;
			goto err_drm_start;
		}
	}
#endif
	if (atomic_read(&mfcdev->inst_cnt) >= MFC_MAX_INSTANCE_NUM) {
		mfc_err("exceed max instance number, too many instance opened already\n");
		ret = -EINVAL;
		goto err_inst_cnt;
	}

	inst_id = get_free_inst_id(mfcdev);
	if (inst_id < 0) {
		mfc_err("failed to get instance ID\n");
		ret = -EINVAL;
		goto err_inst_id;
	}

	mfc_ctx = mfc_create_inst();
	if (!mfc_ctx) {
		mfc_err("failed to create instance context\n");
		ret = -ENOMEM;
		goto err_inst_ctx;
	}

	atomic_inc(&mfcdev->inst_cnt);
	mfcdev->inst_ctx[inst_id] = mfc_ctx;

	mfc_ctx->id = inst_id;
	mfc_ctx->dev = mfcdev;

#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	if (mfcdev->drm_playback) {
		alloc = _mfc_alloc_buf(mfc_ctx, MFC_CTX_SIZE_L, ALIGN_2KB, MBT_CTX | PORT_A);
		if (alloc == NULL) {
			mfc_err("failed to alloc context buffer\n");
			ret = -ENOMEM;
			goto err_drm_ctx;
		}

		mfc_ctx->ctxbufofs = mfc_mem_base_ofs(alloc->real) >> 11;
		mfc_ctx->ctxbufsize = alloc->size;
		memset((void *)alloc->addr, 0, alloc->size);
		mfc_mem_cache_clean((void *)alloc->addr, alloc->size);
	}
static int mfc_open(struct inode *inode, struct file *file)
{
	struct mfc_inst_ctx *mfc_ctx;
	int ret;
	enum mfc_ret_code retcode;
	int inst_id;
#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	struct mfc_alloc_buffer *alloc;
#endif

	/* prevent invalid reference */
	file->private_data = NULL;

	mutex_lock(&mfcdev->lock);
#if SUPPORT_SLICE_ENCODING
	mfcdev->frame_working_flag = 1;
	mfcdev->frame_sys = 0;
#endif

	if (!mfcdev->fw.state) {
		if (mfcdev->fw.requesting) {
			printk(KERN_INFO "MFC F/W request is on-going, try again\n");
			ret = -ENODEV;
			goto err_fw_state;
		}

		printk(KERN_INFO "MFC F/W is not existing, requesting...\n");
		ret = request_firmware(&mfcdev->fw.info, MFC_FW_NAME, mfcdev->device);

		if (ret < 0) {
			printk(KERN_INFO "failed to copy MFC F/W during open\n");
			ret = -ENODEV;
			goto err_fw_state;
		}

		if (soc_is_exynos4212() || soc_is_exynos4412()) {
			mfcdev->fw.state = mfc_load_firmware(mfcdev->fw.info->data, mfcdev->fw.info->size);
			if (!mfcdev->fw.state) {
				printk(KERN_ERR "failed to load MFC F/W, MFC will not working\n");
				ret = -ENODEV;
				goto err_fw_state;
			} else {
				printk(KERN_INFO "MFC F/W loaded successfully (size: %d)\n", mfcdev->fw.info->size);
			}
		}
	}

	if (atomic_read(&mfcdev->inst_cnt) == 0) {
		/* reload F/W for first instance again */
		if (soc_is_exynos4210()) {
			mfcdev->fw.state = mfc_load_firmware(mfcdev->fw.info->data, mfcdev->fw.info->size);
			if (!mfcdev->fw.state) {
				printk(KERN_ERR "failed to reload MFC F/W, MFC will not working\n");
				ret = -ENODEV;
				goto err_fw_state;
			} else {
				printk(KERN_INFO "MFC F/W reloaded successfully (size: %d)\n", mfcdev->fw.info->size);
			}
		}

#if defined(CONFIG_BUSFREQ_OPP) || defined(CONFIG_BUSFREQ_LOCK_WRAPPER)
		dev_lock(mfcdev->bus_dev, mfcdev->device, 133133);
#endif
#ifdef CONFIG_BUSFREQ
		pm_qos_add_request(&bus_qos_pm_qos_req, PM_QOS_BUS_QOS, 1);
#endif

		ret = mfc_power_on();
		if (ret < 0) {
			mfc_err("power enable failed\n");
			goto err_pwr_enable;
		}

#ifndef CONFIG_PM_RUNTIME
#ifdef SYSMMU_MFC_ON
		mfc_clock_on(mfcdev);

		s5p_sysmmu_enable(mfcdev->device);

#ifdef CONFIG_VIDEO_MFC_VCM_UMP
		vcm_set_pgtable_base(VCM_DEV_MFC);
#else /* CONFIG_S5P_VMEM or kernel virtual memory allocator */
		s5p_sysmmu_set_tablebase_pgd(mfcdev->device,
							__pa(swapper_pg_dir));

		/*
		 * RMVME: the power-gating work really (on <-> off),
		 * all TBL entry was invalidated already when the power off
		 */
		s5p_sysmmu_tlb_invalidate(mfcdev->device, SYSMMU_MFC_R);
#endif
		mfc_clock_off(mfcdev);
#endif
#endif
		/* MFC hardware initialization */
		retcode = mfc_start(mfcdev);
		if (retcode != MFC_OK) {
			mfc_err("MFC H/W init failed: %d\n", retcode);
			ret = -ENODEV;
			goto err_start_hw;
		}
	}

	if (atomic_read(&mfcdev->inst_cnt) >= MFC_MAX_INSTANCE_NUM) {
		mfc_err("exceed max instance number, too many instance opened already\n");
		ret = -EINVAL;
		goto err_inst_cnt;
	}

	inst_id = get_free_inst_id(mfcdev);
	if (inst_id < 0) {
		mfc_err("failed to get instance ID\n");
		ret = -EINVAL;
		goto err_inst_id;
	}

	mfc_ctx = mfc_create_inst();
	if (!mfc_ctx) {
		mfc_err("failed to create instance context\n");
		ret = -ENOMEM;
		goto err_inst_ctx;
	}

	atomic_inc(&mfcdev->inst_cnt);
	mfcdev->inst_ctx[inst_id] = mfc_ctx;

#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	if (check_magic(mfcdev->drm_info.addr) >= 0) {
		mfc_info("DRM instance starting\n");
		clear_magic(mfcdev->drm_info.addr + check_magic(mfcdev->drm_info.addr));
		mfc_ctx->drm_flag = 1;
		mfc_set_buf_alloc_scheme(MBS_FIRST_FIT);
	} else {
		mfc_ctx->drm_flag = 0;
	}
#endif

	mfc_ctx->id = inst_id;
	mfc_ctx->dev = mfcdev;

#ifdef CONFIG_EXYNOS_CONTENT_PATH_PROTECTION
	if (mfc_ctx->drm_flag) {
		alloc = _mfc_alloc_buf(mfc_ctx, MFC_CTX_SIZE_L, ALIGN_2KB, MBT_CTX | PORT_A);
		if (alloc == NULL) {
			mfc_err("failed to alloc context buffer\n");
			ret = -ENOMEM;
			goto err_drm_ctx;
		}

		mfc_ctx->ctxbufofs = mfc_mem_base_ofs(alloc->real) >> 11;
		mfc_ctx->ctxbufsize = alloc->size;
		memset((void *)alloc->addr, 0, alloc->size);
		mfc_mem_cache_clean((void *)alloc->addr, alloc->size);
	}