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Commit 6e729b41 authored by Laurent Pinchart's avatar Laurent Pinchart
Browse files

sh_mobile_meram: Use direct function calls for the public API 



There's no reason to use abstract operation pointers to implement the
MERAM API. Replace them by direct function calls.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
parent 4a237177

drivers/video/sh_mobile_lcdcfb.c

+10 −17
Original line number Diff line number Diff line
@@ -1115,13 +1115,12 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) 
		ch->line_size = ch->pitch;



		/* Enable MERAM if possible. */

		if (mdev == NULL || mdev->ops == NULL ||

		    ch->cfg->meram_cfg == NULL)

		if (mdev == NULL || ch->cfg->meram_cfg == NULL)

			continue;



		/* Free the allocated MERAM cache. */

		if (ch->cache) {

			mdev->ops->cache_free(mdev, ch->cache);

			sh_mobile_meram_cache_free(mdev, ch->cache);

			ch->cache = NULL;

		}
@@ -1144,11 +1143,11 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv) 
			break;

		}



		cache = mdev->ops->cache_alloc(mdev, ch->cfg->meram_cfg,

		cache = sh_mobile_meram_cache_alloc(mdev, ch->cfg->meram_cfg,

					ch->pitch, ch->yres, pixelformat,

					&ch->line_size);

		if (!IS_ERR(cache)) {

			mdev->ops->cache_update(mdev, cache,

			sh_mobile_meram_cache_update(mdev, cache,

					ch->base_addr_y, ch->base_addr_c,

					&ch->base_addr_y, &ch->base_addr_c);

			ch->cache = cache;
@@ -1223,9 +1222,7 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv) 


		/* Free the MERAM cache. */

		if (ch->cache) {

			struct sh_mobile_meram_info *mdev;

			mdev = priv->meram_dev;

			mdev->ops->cache_free(mdev, ch->cache);

			sh_mobile_meram_cache_free(priv->meram_dev, ch->cache);

			ch->cache = 0;

		}
@@ -1808,7 +1805,7 @@ static int sh_mobile_lcdc_pan(struct fb_var_screeninfo *var, 
	struct sh_mobile_lcdc_priv *priv = ch->lcdc;

	unsigned long ldrcntr;

	unsigned long new_pan_offset;

	unsigned long base_addr_y, base_addr_c;

	unsigned long base_addr_y, base_addr_c = 0;

	unsigned long c_offset;



	if (!ch->format->yuv)
@@ -1837,14 +1834,10 @@ static int sh_mobile_lcdc_pan(struct fb_var_screeninfo *var, 
			base_addr_c += var->xoffset;

	}



	if (ch->cache) {

		struct sh_mobile_meram_info *mdev;



		mdev = priv->meram_dev;

		mdev->ops->cache_update(mdev, ch->cache,

	if (ch->cache)

		sh_mobile_meram_cache_update(priv->meram_dev, ch->cache,

					     base_addr_y, base_addr_c,

					     &base_addr_y, &base_addr_c);

	}



	ch->base_addr_y = base_addr_y;

	ch->base_addr_c = base_addr_c;

drivers/video/sh_mobile_meram.c

+20 −20
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 


#include <linux/device.h>

#include <linux/err.h>

#include <linux/export.h>

#include <linux/genalloc.h>

#include <linux/io.h>

#include <linux/kernel.h>
@@ -429,11 +430,10 @@ meram_cache_alloc(struct sh_mobile_meram_priv *priv, 
	return ERR_PTR(-ENOMEM);

}



static void *sh_mobile_cache_alloc(struct sh_mobile_meram_info *pdata,

void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *pdata,

				  const struct sh_mobile_meram_cfg *cfg,

				  unsigned int xres, unsigned int yres,

				   unsigned int pixelformat,

				   unsigned int *pitch)

				  unsigned int pixelformat, unsigned int *pitch)

{

	struct sh_mobile_meram_fb_cache *cache;

	struct sh_mobile_meram_priv *priv = pdata->priv;
@@ -441,6 +441,9 @@ static void *sh_mobile_cache_alloc(struct sh_mobile_meram_info *pdata, 
	unsigned int nplanes = is_nvcolor(pixelformat) ? 2 : 1;

	unsigned int out_pitch;



	if (priv == NULL)

		return ERR_PTR(-ENODEV);



	if (pixelformat != SH_MOBILE_MERAM_PF_NV &&

	    pixelformat != SH_MOBILE_MERAM_PF_NV24 &&

	    pixelformat != SH_MOBILE_MERAM_PF_RGB)
@@ -485,9 +488,10 @@ static void *sh_mobile_cache_alloc(struct sh_mobile_meram_info *pdata, 
	mutex_unlock(&priv->lock);

	return cache;

}

EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_alloc);



static void

sh_mobile_cache_free(struct sh_mobile_meram_info *pdata, void *data)

void

sh_mobile_meram_cache_free(struct sh_mobile_meram_info *pdata, void *data)

{

	struct sh_mobile_meram_fb_cache *cache = data;

	struct sh_mobile_meram_priv *priv = pdata->priv;
@@ -507,11 +511,14 @@ sh_mobile_cache_free(struct sh_mobile_meram_info *pdata, void *data) 


	mutex_unlock(&priv->lock);

}

EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_free);



static void

sh_mobile_cache_update(struct sh_mobile_meram_info *pdata, void *data,

		       unsigned long base_addr_y, unsigned long base_addr_c,

		       unsigned long *icb_addr_y, unsigned long *icb_addr_c)

void

sh_mobile_meram_cache_update(struct sh_mobile_meram_info *pdata, void *data,

			     unsigned long base_addr_y,

			     unsigned long base_addr_c,

			     unsigned long *icb_addr_y,

			     unsigned long *icb_addr_c)

{

	struct sh_mobile_meram_fb_cache *cache = data;

	struct sh_mobile_meram_priv *priv = pdata->priv;
@@ -523,13 +530,7 @@ sh_mobile_cache_update(struct sh_mobile_meram_info *pdata, void *data, 


	mutex_unlock(&priv->lock);

}



static struct sh_mobile_meram_ops sh_mobile_meram_ops = {

	.module			= THIS_MODULE,

	.cache_alloc		= sh_mobile_cache_alloc,

	.cache_free		= sh_mobile_cache_free,

	.cache_update		= sh_mobile_cache_update,

};

EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_update);



/* -----------------------------------------------------------------------------

 * Power management
@@ -620,7 +621,6 @@ static int __devinit sh_mobile_meram_probe(struct platform_device *pdev) 
	for (i = 0; i < MERAM_ICB_NUM; ++i)

		priv->icbs[i].index = i;



	pdata->ops = &sh_mobile_meram_ops;

	pdata->priv = priv;

	pdata->pdev = pdev;

include/video/sh_mobile_meram.h

+35 −15
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ enum { 




struct sh_mobile_meram_priv;

struct sh_mobile_meram_ops;



/*

 * struct sh_mobile_meram_info - MERAM platform data
@@ -24,7 +23,6 @@ struct sh_mobile_meram_ops; 
struct sh_mobile_meram_info {

	int				addr_mode;

	u32				reserved_icbs;

	struct sh_mobile_meram_ops	*ops;

	struct sh_mobile_meram_priv	*priv;

	struct platform_device		*pdev;

};
@@ -38,21 +36,43 @@ struct sh_mobile_meram_cfg { 
	struct sh_mobile_meram_icb_cfg icb[2];

};



struct module;

struct sh_mobile_meram_ops {

	struct module	*module;



	/* LCDC cache management */

	void *(*cache_alloc)(struct sh_mobile_meram_info *meram_dev,

#if defined(CONFIG_FB_SH_MOBILE_MERAM) || \

    defined(CONFIG_FB_SH_MOBILE_MERAM_MODULE)

void *sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,

				  const struct sh_mobile_meram_cfg *cfg,

				  unsigned int xres, unsigned int yres,

			     unsigned int pixelformat, unsigned int *pitch);

	void (*cache_free)(struct sh_mobile_meram_info *meram_dev, void *data);

	void (*cache_update)(struct sh_mobile_meram_info *meram_dev, void *data,

				  unsigned int pixelformat,

				  unsigned int *pitch);

void sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data);

void sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,

				  unsigned long base_addr_y,

				  unsigned long base_addr_c,

				  unsigned long *icb_addr_y,

				  unsigned long *icb_addr_c);

};

#else

static inline void *

sh_mobile_meram_cache_alloc(struct sh_mobile_meram_info *dev,

			    const struct sh_mobile_meram_cfg *cfg,

			    unsigned int xres, unsigned int yres,

			    unsigned int pixelformat,

			    unsigned int *pitch)

{

	return ERR_PTR(-ENODEV);

}



static inline void

sh_mobile_meram_cache_free(struct sh_mobile_meram_info *dev, void *data)

{

}



static inline void

sh_mobile_meram_cache_update(struct sh_mobile_meram_info *dev, void *data,

			     unsigned long base_addr_y,

			     unsigned long base_addr_c,

			     unsigned long *icb_addr_y,

			     unsigned long *icb_addr_c)

{

}

#endif



#endif /* __VIDEO_SH_MOBILE_MERAM_H__  */