From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.bootlin.com ([62.4.15.54]:46746 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728353AbeJKQr5 (ORCPT ); Thu, 11 Oct 2018 12:47:57 -0400 From: Maxime Ripard To: Mauro Carvalho Chehab Cc: Laurent Pinchart , linux-media@vger.kernel.org, Thomas Petazzoni , Mylene Josserand , Hans Verkuil , Sakari Ailus , Hugues Fruchet , Loic Poulain , Samuel Bobrowicz , Steve Longerbeam , Daniel Mack , Jacopo Mondi , Maxime Ripard Subject: [PATCH v4 10/12] media: ov5640: Add 60 fps support Date: Thu, 11 Oct 2018 11:21:05 +0200 Message-Id: <20181011092107.30715-11-maxime.ripard@bootlin.com> In-Reply-To: <20181011092107.30715-1-maxime.ripard@bootlin.com> References: <20181011092107.30715-1-maxime.ripard@bootlin.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-media-owner@vger.kernel.org List-ID: Now that we have everything in place to compute the clock rate at runtime, we can enable the 60fps framerate for the mode we tested it with. Signed-off-by: Maxime Ripard --- drivers/media/i2c/ov5640.c | 20 ++++++++++++++++---- 1 file changed, 16 insertions(+), 4 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index b2206fa71b0d..9ce12c3cf7c7 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -110,6 +110,7 @@ enum ov5640_mode_id { enum ov5640_frame_rate { OV5640_15_FPS = 0, OV5640_30_FPS, + OV5640_60_FPS, OV5640_NUM_FRAMERATES, }; @@ -138,6 +139,7 @@ MODULE_PARM_DESC(virtual_channel, static const int ov5640_framerates[] = { [OV5640_15_FPS] = 15, [OV5640_30_FPS] = 30, + [OV5640_60_FPS] = 60, }; /* regulator supplies */ @@ -1483,6 +1485,11 @@ ov5640_find_mode(struct ov5640_dev *sensor, enum ov5640_frame_rate fr, (!nearest && (mode->hact != width || mode->vact != height))) return NULL; + /* Only 640x480 can operate at 60fps (for now) */ + if (fr == OV5640_60_FPS && + !(mode->hact == 640 && mode->vact == 480)) + return NULL; + return mode; } @@ -1980,12 +1987,13 @@ static int ov5640_try_frame_interval(struct ov5640_dev *sensor, int i; minfps = ov5640_framerates[OV5640_15_FPS]; - maxfps = ov5640_framerates[OV5640_30_FPS]; + maxfps = ov5640_framerates[OV5640_60_FPS]; if (fi->numerator == 0) { fi->denominator = maxfps; fi->numerator = 1; - return OV5640_30_FPS; + rate = OV5640_60_FPS; + goto find_mode; } fps = clamp_val(DIV_ROUND_CLOSEST(fi->denominator, fi->numerator), @@ -2004,6 +2012,7 @@ static int ov5640_try_frame_interval(struct ov5640_dev *sensor, fi->numerator = 1; fi->denominator = best_fps; +find_mode: mode = ov5640_find_mode(sensor, rate, width, height, false); return mode ? rate : -EINVAL; } @@ -2623,8 +2632,11 @@ static int ov5640_s_frame_interval(struct v4l2_subdev *sd, frame_rate = ov5640_try_frame_interval(sensor, &fi->interval, mode->hact, mode->vact); - if (frame_rate < 0) - frame_rate = OV5640_15_FPS; + if (frame_rate < 0) { + /* Always return a valid frame interval value */ + fi->interval = sensor->frame_interval; + goto out; + } sensor->current_fr = frame_rate; sensor->frame_interval = fi->interval; -- 2.19.1