diff options
Diffstat (limited to 'drivers/media/platform/davinci/vpif.c')
| -rw-r--r-- | drivers/media/platform/davinci/vpif.c | 81 |
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, }; |
