From patchwork Fri Jul 29 10:56:07 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 1020242 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter1.kernel.org (8.14.4/8.14.4) with ESMTP id p6TAxZeE008808 for ; Fri, 29 Jul 2011 10:59:35 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756499Ab1G2K7Z (ORCPT ); Fri, 29 Jul 2011 06:59:25 -0400 Received: from moutng.kundenserver.de ([212.227.17.8]:59606 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755728Ab1G2K5D (ORCPT ); Fri, 29 Jul 2011 06:57:03 -0400 Received: from axis700.grange (dslb-084-061-105-216.pools.arcor-ip.net [84.61.105.216]) by mrelayeu.kundenserver.de (node=mrbap3) with ESMTP (Nemesis) id 0MQwBS-1QyQ6N19t0-00UIbZ; Fri, 29 Jul 2011 12:57:01 +0200 Received: from 6a.grange (6a.grange [192.168.1.11]) by axis700.grange (Postfix) with ESMTPS id 3A2CD18B039 for ; Fri, 29 Jul 2011 12:57:00 +0200 (CEST) Received: from lyakh by 6a.grange with local (Exim 4.72) (envelope-from ) id 1QmkkW-0007nH-0D for linux-media@vger.kernel.org; Fri, 29 Jul 2011 12:57:00 +0200 From: Guennadi Liakhovetski To: linux-media@vger.kernel.org Subject: [PATCH 07/59] V4L: mt9m001: support the new mbus-config subdev ops Date: Fri, 29 Jul 2011 12:56:07 +0200 Message-Id: <1311937019-29914-8-git-send-email-g.liakhovetski@gmx.de> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1311937019-29914-1-git-send-email-g.liakhovetski@gmx.de> References: <1311937019-29914-1-git-send-email-g.liakhovetski@gmx.de> X-Provags-ID: V02:K0:DJ/QClzqE0sGs+HXckA3sMaxyBulR43XYO55mSFnKIS EgowZvmps+MF49u3cbnJRQihuKDaP/6JytX3wMaD4vMrL8PSvj rd60C2V9pUZBcWiXkRHn1hX7r7RrJp8aAgbxfwW9IT7GhJx1iR nIVsDJhxfc3Z5Kr1NoT/Y1CuuYDu189Wll95ZNmCQS6nG1c/tA 5DG6hnHYQaM2lqVuciCEAsbhdVBUl9pxfs1dykqs1I= Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.6 (demeter1.kernel.org [140.211.167.41]); Fri, 29 Jul 2011 10:59:35 +0000 (UTC) Extend the driver to also support [gs]_mbus_config() subdevice video operations. Signed-off-by: Guennadi Liakhovetski --- drivers/media/video/mt9m001.c | 40 +++++++++++++++++++++++++++++++++++++++- 1 files changed, 39 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/mt9m001.c b/drivers/media/video/mt9m001.c index 4da9cca..7618b3c 100644 --- a/drivers/media/video/mt9m001.c +++ b/drivers/media/video/mt9m001.c @@ -13,9 +13,10 @@ #include #include +#include +#include #include #include -#include /* * mt9m001 i2c address 0x5d @@ -710,6 +711,41 @@ static int mt9m001_enum_fmt(struct v4l2_subdev *sd, unsigned int index, return 0; } +static int mt9m001_g_mbus_config(struct v4l2_subdev *sd, + struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + + /* MT9M001 has all capture_format parameters fixed */ + cfg->flags = V4L2_MBUS_PCLK_SAMPLE_FALLING | + V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH | + V4L2_MBUS_DATA_ACTIVE_HIGH | V4L2_MBUS_MASTER; + cfg->type = V4L2_MBUS_PARALLEL; + cfg->flags = soc_camera_apply_board_flags(icl, cfg); + + return 0; +} + +static int mt9m001_s_mbus_config(struct v4l2_subdev *sd, + const struct v4l2_mbus_config *cfg) +{ + struct i2c_client *client = v4l2_get_subdevdata(sd); + struct soc_camera_device *icd = client->dev.platform_data; + struct soc_camera_link *icl = to_soc_camera_link(icd); + unsigned int bps = soc_mbus_get_fmtdesc(icd->current_fmt->code)->bits_per_sample; + + if (icl->set_bus_param) + return icl->set_bus_param(icl, 1 << (bps - 1)); + + /* + * Without board specific bus width settings we only support the + * sensors native bus width + */ + return bps == 10 ? 0 : -EINVAL; +} + static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = { .s_stream = mt9m001_s_stream, .s_mbus_fmt = mt9m001_s_fmt, @@ -719,6 +755,8 @@ static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = { .g_crop = mt9m001_g_crop, .cropcap = mt9m001_cropcap, .enum_mbus_fmt = mt9m001_enum_fmt, + .g_mbus_config = mt9m001_g_mbus_config, + .s_mbus_config = mt9m001_s_mbus_config, }; static struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = {