From patchwork Mon Mar 26 11:20:03 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Martin X-Patchwork-Id: 10482 Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.72) (envelope-from ) id 1SC822-00083k-1d for patchwork@linuxtv.org; Mon, 26 Mar 2012 13:24:14 +0200 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.75/mailfrontend-3) with esmtp for id 1SC821-0002oF-EM; Mon, 26 Mar 2012 13:24:14 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757429Ab2CZLUW (ORCPT ); Mon, 26 Mar 2012 07:20:22 -0400 Received: from mail-we0-f174.google.com ([74.125.82.174]:57409 "EHLO mail-we0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757423Ab2CZLUT (ORCPT ); Mon, 26 Mar 2012 07:20:19 -0400 Received: by mail-we0-f174.google.com with SMTP id x9so4115185wej.19 for ; Mon, 26 Mar 2012 04:20:18 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=gio2yocN2Tze/N2ArWurAO11BI6XjyI3jOqgLHs2BsM=; b=ZhlQ/8MWW4RQNh0YNZ3OIxv/InPu9BJv56WG888/xE7yzd9gDHOgNdnZLchDYx5NQ3 WyC4vsZOeyXTMaXeUdy3LI3h/Hbrj3E1k65oqshoLX63jnEd0r7Vx/5hgfsqDArXLui3 O2RrApmArCZzXNDf1BpV1EPbvgSUNm3kWMxRkXMqk/rdZvVCwY3fF+VGdncr0c/7dJrq P03K6yIkls2XTi8CXnLs1jkHJ5rIicjNHQQ7DXFb/2Kht9UiPriNjpvcWtoDvuQojH8/ 5oUw5ShmIpt8ZGUIoLx7sCoWnOLzqWCMv3H01n+qKvHbQhQb8U+ezuiAQQ1/K/AZrmnx XRZw== Received: by 10.216.133.151 with SMTP id q23mr12529511wei.14.1332760818686; Mon, 26 Mar 2012 04:20:18 -0700 (PDT) Received: from localhost.localdomain (182.50.18.95.dynamic.jazztel.es. [95.18.50.182]) by mx.google.com with ESMTPS id fn2sm65970799wib.0.2012.03.26.04.20.14 (version=TLSv1/SSLv3 cipher=OTHER); Mon, 26 Mar 2012 04:20:17 -0700 (PDT) From: Javier Martin To: linux-media@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, u.kleine-koenig@pengutronix.de, mchehab@infradead.org, kernel@pengutronix.de, linux@arm.linux.org.uk, Javier Martin Subject: [PATCH 2/3] media: mx2_camera: Fix mbus format handling. Date: Mon, 26 Mar 2012 13:20:03 +0200 Message-Id: <1332760804-22743-3-git-send-email-javier.martin@vista-silicon.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1332760804-22743-1-git-send-email-javier.martin@vista-silicon.com> References: <1332760804-22743-1-git-send-email-javier.martin@vista-silicon.com> X-Gm-Message-State: ALoCoQmT0nG3J78I+mJtukfZGKO3FtfAy8tWcsWLaX4tWFXFWTWZ3ok/53mhkYfaZHCiz8M/6nwG Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2012.3.26.111524 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_4000_4999 0, BODY_SIZE_5000_LESS 0, BODY_SIZE_7000_LESS 0, __ANY_URI 0, __CP_MEDIA_BODY 0, __CP_URI_IN_BODY 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __LINES_OF_YELLING 0, __MIME_TEXT_ONLY 0, __MULTIPLE_RCPTS_CC_X2 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' Remove MX2_CAMERA_SWAP16 and MX2_CAMERA_PACK_DIR_MSB flags so that the driver can negotiate with the attached sensor whether the mbus format needs convertion from UYUV to YUYV or not. Signed-off-by: Javier Martin --- arch/arm/plat-mxc/include/mach/mx2_cam.h | 2 - drivers/media/video/mx2_camera.c | 52 +++++++++++++++++++++++++++--- 2 files changed, 47 insertions(+), 7 deletions(-) diff --git a/arch/arm/plat-mxc/include/mach/mx2_cam.h b/arch/arm/plat-mxc/include/mach/mx2_cam.h index 3c080a3..7ded6f1 100644 --- a/arch/arm/plat-mxc/include/mach/mx2_cam.h +++ b/arch/arm/plat-mxc/include/mach/mx2_cam.h @@ -23,7 +23,6 @@ #ifndef __MACH_MX2_CAM_H_ #define __MACH_MX2_CAM_H_ -#define MX2_CAMERA_SWAP16 (1 << 0) #define MX2_CAMERA_EXT_VSYNC (1 << 1) #define MX2_CAMERA_CCIR (1 << 2) #define MX2_CAMERA_CCIR_INTERLACE (1 << 3) @@ -31,7 +30,6 @@ #define MX2_CAMERA_GATED_CLOCK (1 << 5) #define MX2_CAMERA_INV_DATA (1 << 6) #define MX2_CAMERA_PCLK_SAMPLE_RISING (1 << 7) -#define MX2_CAMERA_PACK_DIR_MSB (1 << 8) /** * struct mx2_camera_platform_data - optional platform data for mx2_camera diff --git a/drivers/media/video/mx2_camera.c b/drivers/media/video/mx2_camera.c index 8df624f..9274a53 100644 --- a/drivers/media/video/mx2_camera.c +++ b/drivers/media/video/mx2_camera.c @@ -348,6 +348,19 @@ static struct mx2_fmt_cfg mx27_emma_prp_table[] = { PRP_INTR_CH2OVF, } }, + { + .in_fmt = V4L2_MBUS_FMT_UYVY8_2X8, + .out_fmt = V4L2_PIX_FMT_YUV420, + .cfg = { + .channel = 2, + .in_fmt = PRP_CNTL_DATA_IN_YUV422, + .out_fmt = PRP_CNTL_CH2_OUT_YUV420, + .src_pixel = 0x22000888, /* YUV422 (YUYV) */ + .irq_flags = PRP_INTR_RDERR | PRP_INTR_CH2WERR | + PRP_INTR_CH2FC | PRP_INTR_LBOVF | + PRP_INTR_CH2OVF, + } + }, }; static struct mx2_fmt_cfg *mx27_emma_prp_get_format( @@ -990,6 +1003,7 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd, struct soc_camera_host *ici = to_soc_camera_host(icd->parent); struct mx2_camera_dev *pcdev = ici->priv; struct v4l2_mbus_config cfg = {.type = V4L2_MBUS_PARALLEL,}; + const struct soc_camera_format_xlate *xlate; unsigned long common_flags; int ret; int bytesperline; @@ -1034,14 +1048,31 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd, return ret; } + xlate = soc_camera_xlate_by_fourcc(icd, pixfmt); + if (!xlate) { + dev_warn(icd->parent, "Format %x not found\n", pixfmt); + return -EINVAL; + } + + if (xlate->code == V4L2_MBUS_FMT_YUYV8_2X8) { + csicr1 |= CSICR1_PACK_DIR; + csicr1 &= ~CSICR1_SWAP16_EN; + dev_dbg(icd->parent, "already yuyv format, don't convert\n"); + } else if (xlate->code == V4L2_MBUS_FMT_UYVY8_2X8) { + csicr1 &= ~CSICR1_PACK_DIR; + csicr1 |= CSICR1_SWAP16_EN; + dev_dbg(icd->parent, "convert uyvy mbus format into yuyv\n"); + } else { + dev_warn(icd->parent, "mbus format not supported\n"); + return -EINVAL; + } + if (common_flags & V4L2_MBUS_PCLK_SAMPLE_RISING) csicr1 |= CSICR1_REDGE; if (common_flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) csicr1 |= CSICR1_SOF_POL; if (common_flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) csicr1 |= CSICR1_HSYNC_POL; - if (pcdev->platform_flags & MX2_CAMERA_SWAP16) - csicr1 |= CSICR1_SWAP16_EN; if (pcdev->platform_flags & MX2_CAMERA_EXT_VSYNC) csicr1 |= CSICR1_EXT_VSYNC; if (pcdev->platform_flags & MX2_CAMERA_CCIR) @@ -1052,8 +1083,6 @@ static int mx2_camera_set_bus_param(struct soc_camera_device *icd, csicr1 |= CSICR1_GCLK_MODE; if (pcdev->platform_flags & MX2_CAMERA_INV_DATA) csicr1 |= CSICR1_INV_DATA; - if (pcdev->platform_flags & MX2_CAMERA_PACK_DIR_MSB) - csicr1 |= CSICR1_PACK_DIR; pcdev->csicr1 = csicr1; @@ -1128,7 +1157,8 @@ static int mx2_camera_get_formats(struct soc_camera_device *icd, return 0; } - if (code == V4L2_MBUS_FMT_YUYV8_2X8) { + if (code == V4L2_MBUS_FMT_YUYV8_2X8 || + code == V4L2_MBUS_FMT_UYVY8_2X8) { formats++; if (xlate) { /* @@ -1144,6 +1174,18 @@ static int mx2_camera_get_formats(struct soc_camera_device *icd, } } + if (code == V4L2_MBUS_FMT_UYVY8_2X8) { + formats++; + if (xlate) { + xlate->host_fmt = + soc_mbus_get_fmtdesc(V4L2_MBUS_FMT_YUYV8_2X8); + xlate->code = code; + dev_dbg(dev, "Providing host format %s for sensor code %d\n", + xlate->host_fmt->name, code); + xlate++; + } + } + /* Generic pass-trough */ formats++; if (xlate) {