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path: root/drivers/media/platform/davinci/vpif.c
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Diffstat (limited to 'drivers/media/platform/davinci/vpif.c')
-rw-r--r--drivers/media/platform/davinci/vpif.c81
1 files changed, 26 insertions, 55 deletions
diff --git a/drivers/media/platform/davinci/vpif.c b/drivers/media/platform/davinci/vpif.c
index cff3c0ab501..cd08e524838 100644
--- a/drivers/media/platform/davinci/vpif.c
+++ b/drivers/media/platform/davinci/vpif.c
@@ -17,40 +17,36 @@
* GNU General Public License for more details.
*/
+#include <linux/err.h>
#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
#include <linux/spinlock.h>
-#include <linux/kernel.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/err.h>
#include <linux/v4l2-dv-timings.h>
-#include <mach/hardware.h>
-
#include "vpif.h"
MODULE_DESCRIPTION("TI DaVinci Video Port Interface driver");
MODULE_LICENSE("GPL");
-#define VPIF_CH0_MAX_MODES (22)
-#define VPIF_CH1_MAX_MODES (02)
-#define VPIF_CH2_MAX_MODES (15)
-#define VPIF_CH3_MAX_MODES (02)
+#define VPIF_CH0_MAX_MODES 22
+#define VPIF_CH1_MAX_MODES 2
+#define VPIF_CH2_MAX_MODES 15
+#define VPIF_CH3_MAX_MODES 2
-static resource_size_t res_len;
-static struct resource *res;
spinlock_t vpif_lock;
void __iomem *vpif_base;
-struct clk *vpif_clk;
+EXPORT_SYMBOL_GPL(vpif_base);
/**
- * ch_params: video standard configuration parameters for vpif
+ * vpif_ch_params: video standard configuration parameters for vpif
* The table must include all presets from supported subdevices.
*/
-const struct vpif_channel_config_params ch_params[] = {
+const struct vpif_channel_config_params vpif_ch_params[] = {
/* HDTV formats */
{
.name = "480p59_94",
@@ -220,8 +216,10 @@ const struct vpif_channel_config_params ch_params[] = {
.stdid = V4L2_STD_625_50,
},
};
+EXPORT_SYMBOL_GPL(vpif_ch_params);
-const unsigned int vpif_ch_params_count = ARRAY_SIZE(ch_params);
+const unsigned int vpif_ch_params_count = ARRAY_SIZE(vpif_ch_params);
+EXPORT_SYMBOL_GPL(vpif_ch_params_count);
static inline void vpif_wr_bit(u32 reg, u32 bit, u32 val)
{
@@ -419,66 +417,39 @@ int vpif_channel_getfid(u8 channel_id)
}
EXPORT_SYMBOL(vpif_channel_getfid);
-static int __devinit vpif_probe(struct platform_device *pdev)
+static int vpif_probe(struct platform_device *pdev)
{
- int status = 0;
+ static struct resource *res;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!res)
- return -ENOENT;
-
- res_len = resource_size(res);
+ vpif_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(vpif_base))
+ return PTR_ERR(vpif_base);
- res = request_mem_region(res->start, res_len, res->name);
- if (!res)
- return -EBUSY;
-
- vpif_base = ioremap(res->start, res_len);
- if (!vpif_base) {
- status = -EBUSY;
- goto fail;
- }
-
- vpif_clk = clk_get(&pdev->dev, "vpif");
- if (IS_ERR(vpif_clk)) {
- status = PTR_ERR(vpif_clk);
- goto clk_fail;
- }
- clk_enable(vpif_clk);
+ pm_runtime_enable(&pdev->dev);
+ pm_runtime_get(&pdev->dev);
spin_lock_init(&vpif_lock);
dev_info(&pdev->dev, "vpif probe success\n");
return 0;
-
-clk_fail:
- iounmap(vpif_base);
-fail:
- release_mem_region(res->start, res_len);
- return status;
}
-static int __devexit vpif_remove(struct platform_device *pdev)
+static int vpif_remove(struct platform_device *pdev)
{
- if (vpif_clk) {
- clk_disable(vpif_clk);
- clk_put(vpif_clk);
- }
-
- iounmap(vpif_base);
- release_mem_region(res->start, res_len);
+ pm_runtime_disable(&pdev->dev);
return 0;
}
#ifdef CONFIG_PM
static int vpif_suspend(struct device *dev)
{
- clk_disable(vpif_clk);
+ pm_runtime_put(dev);
return 0;
}
static int vpif_resume(struct device *dev)
{
- clk_enable(vpif_clk);
+ pm_runtime_get(dev);
return 0;
}
@@ -498,7 +469,7 @@ static struct platform_driver vpif_driver = {
.owner = THIS_MODULE,
.pm = vpif_pm_ops,
},
- .remove = __devexit_p(vpif_remove),
+ .remove = vpif_remove,
.probe = vpif_probe,
};