/*
* Reset DP and prepare DP for init training
* param dp pointer to main s5p-dp structure
*/
static int s5p_dp_init_dp(struct s5p_dp_device *dp)
{
int ret, i;
struct exynos5_dp *base = dp->base;
for (i = 0; i < DP_INIT_TRIES; i++) {
s5p_dp_reset(dp);
/* SW defined function Normal operation */
clrbits_le32(&base->func_en_1, SW_FUNC_EN_N);
ret = s5p_dp_init_analog_func(dp);
if (!ret)
break;
udelay(5000);
printk(BIOS_DEBUG, "LCD retry init, attempt=%d ret=%d\n", i, ret);
}
if (i == DP_INIT_TRIES) {
printk(BIOS_DEBUG, "LCD initialization failed, ret=%d\n", ret);
return ret;
}
s5p_dp_init_aux(dp);
return ret;
}
static void s5p_dp_disable(struct s5p_dp_device *dp)
{
struct s5p_dp_platdata *pdata = dp->dev->platform_data;
mutex_lock(&dp->lock);
if (!dp->enabled)
goto out;
dp->enabled = 0;
s5p_dp_reset(dp);
s5p_dp_set_pll_power_down(dp, 1);
s5p_dp_set_analog_power_down(dp, POWER_ALL, 1);
#ifdef CONFIG_S5P_DP_PSR
if (dp->psr_enter_state != PSR_ENTER_DONE)
clk_disable(dp->clock);
#else
clk_disable(dp->clock);
#endif
pm_runtime_put_sync(dp->dev);
out:
mutex_unlock(&dp->lock);
}
static void s5p_dp_disable(struct s5p_dp_device *dp)
{
struct s5p_dp_platdata *pdata = dp->dev->platform_data;
#if defined(CONFIG_SOC_EXYNOS5260)
if ((pdata->clock_reinit == true) && (dp->clock_status == true))
dp->clock_status = false;
#endif
mutex_lock(&dp->lock);
if (!dp->enabled)
goto out;
dp->enabled = 0;
s5p_dp_reset(dp);
s5p_dp_set_pll_power_down(dp, 1);
s5p_dp_set_analog_power_down(dp, POWER_ALL, 1);
if (pdata && pdata->phy_exit)
pdata->phy_exit();
clk_disable(dp->clock);
pm_runtime_put_sync(dp->dev);
out:
mutex_unlock(&dp->lock);
}
static int s5p_dp_init_dp(struct s5p_dp_device *dp)
{
s5p_dp_reset(dp);
/* SW defined function Normal operation */
s5p_dp_enable_sw_function(dp);
if (!soc_is_exynos5250())
s5p_dp_config_interrupt(dp);
s5p_dp_init_analog_func(dp);
s5p_dp_init_hpd(dp);
s5p_dp_init_aux(dp);
return 0;
}
static void s5p_dp_disable(struct s5p_dp_device *dp)
{
struct s5p_dp_platdata *pdata = dp->dev->platform_data;
mutex_lock(&dp->lock);
if (!dp->enabled)
goto out;
dp->enabled = 0;
s5p_dp_reset(dp);
s5p_dp_set_pll_power_down(dp, 1);
s5p_dp_set_analog_power_down(dp, POWER_ALL, 1);
if (pdata && pdata->phy_exit)
pdata->phy_exit();
clk_disable(dp->clock);
pm_runtime_put_sync(dp->dev);
out:
mutex_unlock(&dp->lock);
}
