From patchwork Thu Jul 19 00:39:15 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 1213581 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 692863FD4F for ; Thu, 19 Jul 2012 00:39:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753183Ab2GSAja (ORCPT ); Wed, 18 Jul 2012 20:39:30 -0400 Received: from perceval.ideasonboard.com ([95.142.166.194]:52316 "EHLO perceval.ideasonboard.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751064Ab2GSAjX (ORCPT ); Wed, 18 Jul 2012 20:39:23 -0400 Received: from avalon.ideasonboard.com (unknown [91.178.56.248]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id CB01335A87; Thu, 19 Jul 2012 02:39:20 +0200 (CEST) From: Laurent Pinchart To: linux-fbdev@vger.kernel.org Cc: linux-sh@vger.kernel.org Subject: [PATCH 2/9] sh_mobile_meram: Use direct function calls for the public API Date: Thu, 19 Jul 2012 02:39:15 +0200 Message-Id: <1342658362-19491-3-git-send-email-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1342658362-19491-1-git-send-email-laurent.pinchart@ideasonboard.com> References: <1342658362-19491-1-git-send-email-laurent.pinchart@ideasonboard.com> Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org There's no reason to use abstract operation pointers to implement the MERAM API. Replace them by direct function calls. Signed-off-by: Laurent Pinchart --- drivers/video/sh_mobile_lcdcfb.c | 27 +++++++------------- drivers/video/sh_mobile_meram.c | 40 +++++++++++++++--------------- include/video/sh_mobile_meram.h | 50 ++++++++++++++++++++++++++----------- 3 files changed, 65 insertions(+), 52 deletions(-) diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c index e593e81..9da4b1b6 100644 --- a/drivers/video/sh_mobile_lcdcfb.c +++ b/drivers/video/sh_mobile_lcdcfb.c @@ -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, - base_addr_y, base_addr_c, - &base_addr_y, &base_addr_c); - } + 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; diff --git a/drivers/video/sh_mobile_meram.c b/drivers/video/sh_mobile_meram.c index 4aa3fcb..fdb6fc1 100644 --- a/drivers/video/sh_mobile_meram.c +++ b/drivers/video/sh_mobile_meram.c @@ -11,6 +11,7 @@ #include #include +#include #include #include #include @@ -429,11 +430,10 @@ error: return ERR_PTR(-ENOMEM); } -static void *sh_mobile_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) +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) { 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 @@ err: 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); } - -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) +EXPORT_SYMBOL_GPL(sh_mobile_meram_cache_free); + +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; diff --git a/include/video/sh_mobile_meram.h b/include/video/sh_mobile_meram.h index 8a5afaf..1134837 100644 --- a/include/video/sh_mobile_meram.h +++ b/include/video/sh_mobile_meram.h @@ -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, - 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, +#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 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); -}; + unsigned long *icb_addr_c) +{ +} +#endif #endif /* __VIDEO_SH_MOBILE_MERAM_H__ */