From patchwork Fri Nov 4 14:24:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 13032103 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 5DF6BC433FE for ; Fri, 4 Nov 2022 14:28:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232095AbiKDO2Y (ORCPT ); Fri, 4 Nov 2022 10:28:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42674 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232432AbiKDO1a (ORCPT ); Fri, 4 Nov 2022 10:27:30 -0400 Received: from relay11.mail.gandi.net (relay11.mail.gandi.net [IPv6:2001:4b98:dc4:8::231]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CD336317FF for ; Fri, 4 Nov 2022 07:25:16 -0700 (PDT) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id 924FA100011; Fri, 4 Nov 2022 14:25:13 +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, Dave Stevenson Subject: [PATCH v3 03/10] media: ar0521: Set maximum resolution to 2592x1944 Date: Fri, 4 Nov 2022 15:24:46 +0100 Message-Id: <20221104142452.117135-4-jacopo@jmondi.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221104142452.117135-1-jacopo@jmondi.org> References: <20221104142452.117135-1-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 20a87dde2289..bcbd6ffd8832 100644 --- a/drivers/media/i2c/ar0521.c +++ b/drivers/media/i2c/ar0521.c @@ -26,10 +26,17 @@ #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 0u +#define AR0521_MIN_Y_ADDR_START 0u +#define AR0521_MAX_X_ADDR_END 2603u +#define AR0521_MAX_Y_ADDR_END 1955u + #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 */ @@ -176,13 +183,17 @@ static int ar0521_write_reg(struct ar0521_dev *sensor, u16 reg, u16 val) static int ar0521_set_geometry(struct ar0521_dev *sensor) { + /* Center the image in the visible output 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),