From patchwork Wed Oct 5 19:06:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 612697 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C49BC433FE for ; Wed, 5 Oct 2022 19:06:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231363AbiJETG5 (ORCPT ); Wed, 5 Oct 2022 15:06:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231206AbiJETG4 (ORCPT ); Wed, 5 Oct 2022 15:06:56 -0400 Received: from relay9-d.mail.gandi.net (relay9-d.mail.gandi.net [217.70.183.199]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B55037FFA4 for ; Wed, 5 Oct 2022 12:06:48 -0700 (PDT) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id 0A979FF80B; Wed, 5 Oct 2022 19:06:42 +0000 (UTC) From: Jacopo Mondi To: =?utf-8?q?Krzysztof_Ha=C5=82asa?= , Mauro Carvalho Chehab , Sakari Ailus , Laurent Pinchart Cc: Jacopo Mondi , linux-media@vger.kernel.org Subject: [PATCH 03/10] media: ar0521: Set maximum resolution to 2592x1944 Date: Wed, 5 Oct 2022 21:06:06 +0200 Message-Id: <20221005190613.394277-4-jacopo@jmondi.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20221005190613.394277-1-jacopo@jmondi.org> References: <20221005190613.394277-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Change the largest visibile resolution to 2592x1944, which corresponds to the active pixel array area size. Take into account the horizontal and vertical limits when programming the visible sizes to skip dummy/inactive pixels. Signed-off-by: Jacopo Mondi --- drivers/media/i2c/ar0521.c | 23 +++++++++++++++++------ 1 file changed, 17 insertions(+), 6 deletions(-) diff --git a/drivers/media/i2c/ar0521.c b/drivers/media/i2c/ar0521.c index 581f5e42994d..2b19ba898ce8 100644 --- a/drivers/media/i2c/ar0521.c +++ b/drivers/media/i2c/ar0521.c @@ -28,10 +28,17 @@ #define AR0521_PIXEL_CLOCK_MIN (168 * 1000 * 1000) #define AR0521_PIXEL_CLOCK_MAX (414 * 1000 * 1000) +#define AR0521_NATIVE_WIDTH 2604u +#define AR0521_NATIVE_HEIGHT 1964u +#define AR0521_MIN_X_ADDR_START 4u +#define AR0521_MIN_Y_ADDR_START 4u +#define AR0521_MAX_X_ADDR_END 2603u +#define AR0521_MAX_Y_ADDR_END 1963u + #define AR0521_WIDTH_MIN 8u -#define AR0521_WIDTH_MAX 2608u +#define AR0521_WIDTH_MAX 2592u #define AR0521_HEIGHT_MIN 8u -#define AR0521_HEIGHT_MAX 1958u +#define AR0521_HEIGHT_MAX 1944u #define AR0521_WIDTH_BLANKING_MIN 572u #define AR0521_HEIGHT_BLANKING_MIN 38u /* must be even */ @@ -208,13 +215,17 @@ static int ar0521_read_reg(struct ar0521_dev *sensor, u16 reg, u16 *val) static int ar0521_set_geometry(struct ar0521_dev *sensor) { + /* Center the image in the visible ouput window. */ + u16 x = clamp((AR0521_WIDTH_MAX - sensor->fmt.width) / 2, + AR0521_MIN_X_ADDR_START, AR0521_MAX_X_ADDR_END); + u16 y = clamp(((AR0521_HEIGHT_MAX - sensor->fmt.height) / 2) & ~1, + AR0521_MIN_Y_ADDR_START, AR0521_MAX_Y_ADDR_END); + /* All dimensions are unsigned 12-bit integers */ - u16 x = (AR0521_WIDTH_MAX - sensor->fmt.width) / 2; - u16 y = ((AR0521_HEIGHT_MAX - sensor->fmt.height) / 2) & ~1; __be16 regs[] = { be(AR0521_REG_FRAME_LENGTH_LINES), - be(sensor->total_height), - be(sensor->total_width), + be(sensor->fmt.height + sensor->ctrls.vblank->val), + be(sensor->fmt.width + sensor->ctrls.hblank->val), be(x), be(y), be(x + sensor->fmt.width - 1),