From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pb0-f47.google.com ([209.85.160.47]:46297 "EHLO mail-pb0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753324AbaFGV5W (ORCPT ); Sat, 7 Jun 2014 17:57:22 -0400 Received: by mail-pb0-f47.google.com with SMTP id rp16so3919239pbb.34 for ; Sat, 07 Jun 2014 14:57:21 -0700 (PDT) From: Steve Longerbeam To: linux-media@vger.kernel.org Cc: Steve Longerbeam Subject: [PATCH 21/43] imx-drm: ipu-v3: Add ipu_bits_per_pixel() Date: Sat, 7 Jun 2014 14:56:23 -0700 Message-Id: <1402178205-22697-22-git-send-email-steve_longerbeam@mentor.com> In-Reply-To: <1402178205-22697-1-git-send-email-steve_longerbeam@mentor.com> References: <1402178205-22697-1-git-send-email-steve_longerbeam@mentor.com> Sender: linux-media-owner@vger.kernel.org List-ID: Add simple conversion from pixelformat to total bits-per-pixel. Signed-off-by: Steve Longerbeam --- drivers/staging/imx-drm/ipu-v3/ipu-common.c | 27 +++++++++++++++++++++++++++ include/linux/platform_data/imx-ipu-v3.h | 1 + 2 files changed, 28 insertions(+) diff --git a/drivers/staging/imx-drm/ipu-v3/ipu-common.c b/drivers/staging/imx-drm/ipu-v3/ipu-common.c index de66d02..8a03ad2 100644 --- a/drivers/staging/imx-drm/ipu-v3/ipu-common.c +++ b/drivers/staging/imx-drm/ipu-v3/ipu-common.c @@ -606,6 +606,33 @@ int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat) } EXPORT_SYMBOL_GPL(ipu_stride_to_bytes); +/* + * Standard bpp from pixel format. + */ +int ipu_bits_per_pixel(u32 pixelformat) +{ + switch (pixelformat) { + case V4L2_PIX_FMT_YUV420: + case V4L2_PIX_FMT_YVU420: + return 12; + case V4L2_PIX_FMT_RGB565: + case V4L2_PIX_FMT_YUYV: + case V4L2_PIX_FMT_UYVY: + return 16; + case V4L2_PIX_FMT_BGR24: + case V4L2_PIX_FMT_RGB24: + return 24; + case V4L2_PIX_FMT_BGR32: + case V4L2_PIX_FMT_RGB32: + return 32; + default: + break; + } + + return 0; +} +EXPORT_SYMBOL_GPL(ipu_bits_per_pixel); + int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees, bool hflip, bool vflip) { diff --git a/include/linux/platform_data/imx-ipu-v3.h b/include/linux/platform_data/imx-ipu-v3.h index 75a6a5d..49e69a9 100644 --- a/include/linux/platform_data/imx-ipu-v3.h +++ b/include/linux/platform_data/imx-ipu-v3.h @@ -510,6 +510,7 @@ enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc); enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat); enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code); int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat); +int ipu_bits_per_pixel(u32 pixelformat); bool ipu_pixelformat_is_planar(u32 pixelformat); int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees, bool hflip, bool vflip); -- 1.7.9.5