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RK30: IPP version 1.001

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add code of enabling/disabling power domain
This commit is contained in:
chenli
2012-04-01 12:54:32 +08:00
parent 5d82cc618f
commit a8da0bebb0
1 changed files with 32 additions and 14 deletions
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46
drivers/staging/rk29/ipp/rk29-ipp.c
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@@ -43,7 +43,14 @@
#include <asm/cacheflush.h>
#include <linux/slab.h>
#define IPP_VERSION "1.000"
#ifdef CONFIG_ARCH_RK29
#define IPP_VERSION "rk29-ipp 1.001"
#endif
#ifdef CONFIG_ARCH_RK30
#define IPP_VERSION "rk30-ipp 1.001"
#endif
//#define IPP_TEST
#ifdef IPP_TEST
@@ -70,7 +77,7 @@ struct ipp_drvdata {
void *ipp_base;
int irq0;
struct clk *pd_display;
struct clk *pd_ipp;
struct clk *aclk_lcdc;
struct clk *hclk_lcdc;
struct clk *aclk_ddr_lcdc;
@@ -174,8 +181,8 @@ static void ipp_power_on(void)
cancel_delayed_work_sync(&drvdata->power_off_work);
if (drvdata->enable)
return;
clk_enable(drvdata->pd_ipp);
#ifdef CONFIG_ARCH_RK29
clk_enable(drvdata->pd_display);
clk_enable(drvdata->aclk_lcdc);
clk_enable(drvdata->hclk_lcdc);
clk_enable(drvdata->aclk_ddr_lcdc);
@@ -195,8 +202,8 @@ static void ipp_power_off(struct work_struct *work)
//printk("ipp_power_off\n");
if(!drvdata->enable)
return;
#ifdef CONFIG_ARCH_RK29
clk_disable(drvdata->pd_display);
clk_disable(drvdata->aclk_lcdc);
clk_disable(drvdata->hclk_lcdc);
clk_disable(drvdata->aclk_ddr_lcdc);
@@ -206,7 +213,8 @@ static void ipp_power_off(struct work_struct *work)
#endif
clk_disable(drvdata->axi_clk);
clk_disable(drvdata->ahb_clk);
clk_disable(drvdata->pd_ipp);
drvdata->enable = false;
}
@@ -1623,10 +1631,9 @@ static int __devinit ipp_drv_probe(struct platform_device *pdev)
}
/* get the clock */
#ifdef CONFIG_ARCH_RK29
data->pd_display = clk_get(&pdev->dev, "pd_display");
if (IS_ERR(data->pd_display))
#ifdef CONFIG_ARCH_RK29
data->pd_ipp = clk_get(&pdev->dev, "pd_display");
if (IS_ERR(data->pd_ipp))
{
ERR("failed to find ipp pd_display source\n");
ret = -ENOENT;
@@ -1680,7 +1687,18 @@ static int __devinit ipp_drv_probe(struct platform_device *pdev)
ret = -ENOENT;
goto err_clock;
}
#endif
#endif
#ifdef CONFIG_ARCH_RK30
data->pd_ipp = clk_get(&pdev->dev, "pd_ipp");
if (IS_ERR(data->pd_ipp))
{
ERR("failed to find ipp pd_ipp source\n");
ret = -ENOENT;
goto err_clock;
}
#endif
data->axi_clk = clk_get(&pdev->dev, "aclk_ipp");
if (IS_ERR(data->axi_clk))
{
@@ -1806,11 +1824,11 @@ static int __devexit ipp_drv_remove(struct platform_device *pdev)
if(data->hclk_cpu_display) {
clk_put(data->hclk_cpu_display);
}
if(data->pd_display){
clk_put(data->pd_display);
}
#endif
if(data->pd_ipp){
clk_put(data->pd_ipp);
}
kfree(data);
return 0;
}