From nobody Sun May 19 06:04:59 2024 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 4E4A4C7EE22 for ; Fri, 14 Apr 2023 12:58:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230324AbjDNM6B (ORCPT ); Fri, 14 Apr 2023 08:58:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42380 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229446AbjDNM56 (ORCPT ); Fri, 14 Apr 2023 08:57:58 -0400 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7032AAF35; Fri, 14 Apr 2023 05:57:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1681477052; x=1713013052; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ATUW5+6lA7JEaiWiCALRhiDD0rwS4uvrPrY5ePlmioU=; b=BPrcek03O8lal5dPZLJeCpyNRgAXyiriDa24xB0xOZpyRthLxoMJHfQm VnxS3W83NTXq5ktbH89B3WZbueLusrQmjGH3scMYQ/JPdEZVuauJ8L6CU mVUfiFslaqV3GWw9uutS0EZt9q/aSzaUvzNEx60+I1DYhRgL/3OIwBwtM n1xIwbsCyIAlZtotK2tQJZwUNrjZ77kMr8wt5AnIXObeASAgukPJhXHYN WoKj1mQEeQh4AO5xHL55Ed/6dJVQ4DsCyu6SE+v7l1jURTOQwxJ0TbjKj +WRE9lkpCRSxw501uWRO580Ru4ftn/CpYf3qk/3UUkKBn9ePIbqNiA8op Q==; X-IronPort-AV: E=Sophos;i="5.99,195,1677567600"; d="scan'208";a="209087618" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 14 Apr 2023 05:57:18 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Fri, 14 Apr 2023 05:33:26 -0700 Received: from microchip1-OptiPlex-9020.microchip.com (10.10.115.15) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.21 via Frontend Transport; Fri, 14 Apr 2023 05:33:22 -0700 From: shravan kumar To: , , , , , , CC: , , , , , , , , Sakari Ailus Subject: [PATCH v13 1/1] media: i2c: imx334: update pixel, hblank and link frequency Date: Fri, 14 Apr 2023 18:03:11 +0530 Message-ID: <20230414123311.23923-2-shravan.chippa@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230414123311.23923-1-shravan.chippa@microchip.com> References: <20230414123311.23923-1-shravan.chippa@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Shravan Chippa Update pixel_rate and link frequency for 1920x1080@30 while changing mode. Update vblank value while changing mode Add support to handle multiple link frequencies. Add dummy ctrl cases for pixel_rate and link frequency to avoid error while changing the modes dynamically. Update default link frequency from device tree max link frequency value. Update init_cfg() function to update the link frequency menu_skip_mask value. Suggested-by: Sakari Ailus Signed-off-by: Shravan Chippa Suggested-by: Jacopo Mondi --- drivers/media/i2c/imx334.c | 62 +++++++++++++++++++++++++++++--------- 1 file changed, 48 insertions(+), 14 deletions(-) diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c index 309c706114d2..d4c9986aee59 100644 --- a/drivers/media/i2c/imx334.c +++ b/drivers/media/i2c/imx334.c @@ -49,7 +49,8 @@ #define IMX334_INCLK_RATE 24000000 =20 /* CSI2 HW configuration */ -#define IMX334_LINK_FREQ 891000000 +#define IMX334_LINK_FREQ_891M 891000000 +#define IMX334_LINK_FREQ_445M 445500000 #define IMX334_NUM_DATA_LANES 4 =20 #define IMX334_REG_MIN 0x00 @@ -139,12 +140,14 @@ struct imx334 { u32 vblank; const struct imx334_mode *cur_mode; struct mutex mutex; + unsigned long menu_skip_mask; u32 cur_code; bool streaming; }; =20 static const s64 link_freq[] =3D { - IMX334_LINK_FREQ, + IMX334_LINK_FREQ_891M, + IMX334_LINK_FREQ_445M, }; =20 /* Sensor mode registers for 1920x1080@30fps */ @@ -468,7 +471,7 @@ static const struct imx334_mode supported_modes[] =3D { .vblank_min =3D 45, .vblank_max =3D 132840, .pclk =3D 297000000, - .link_freq_idx =3D 0, + .link_freq_idx =3D 1, .reg_list =3D { .num_of_regs =3D ARRAY_SIZE(mode_1920x1080_regs), .regs =3D mode_1920x1080_regs, @@ -598,13 +601,23 @@ static int imx334_update_controls(struct imx334 *imx3= 34, if (ret) return ret; =20 + ret =3D __v4l2_ctrl_modify_range(imx334->pclk_ctrl, mode->pclk, + mode->pclk, 1, mode->pclk); + if (ret) + return ret; + ret =3D __v4l2_ctrl_modify_range(imx334->hblank_ctrl, mode->hblank, mode->hblank, 1, mode->hblank); if (ret) return ret; =20 - return __v4l2_ctrl_modify_range(imx334->vblank_ctrl, mode->vblank_min, + + ret =3D __v4l2_ctrl_modify_range(imx334->vblank_ctrl, mode->vblank_min, mode->vblank_max, 1, mode->vblank); + if (ret) + return ret; + + return __v4l2_ctrl_s_ctrl(imx334->vblank_ctrl, mode->vblank); } =20 /** @@ -698,6 +711,8 @@ static int imx334_set_ctrl(struct v4l2_ctrl *ctrl) pm_runtime_put(imx334->dev); =20 break; + case V4L2_CID_PIXEL_RATE: + case V4L2_CID_LINK_FREQ: case V4L2_CID_HBLANK: ret =3D 0; break; @@ -885,7 +900,17 @@ static int imx334_init_pad_cfg(struct v4l2_subdev *sd, struct v4l2_subdev_format fmt =3D { 0 }; =20 fmt.which =3D sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTI= VE; - imx334_fill_pad_format(imx334, &supported_modes[0], &fmt); + + mutex_lock(&imx334->mutex); + + imx334_fill_pad_format(imx334, imx334->cur_mode, &fmt); + + __v4l2_ctrl_modify_range(imx334->link_freq_ctrl, 0, + __fls(imx334->menu_skip_mask), + ~(imx334->menu_skip_mask), + __ffs(imx334->menu_skip_mask)); + + mutex_unlock(&imx334->mutex); =20 return imx334_set_pad_format(sd, sd_state, &fmt); } @@ -1046,8 +1071,8 @@ static int imx334_parse_hw_config(struct imx334 *imx3= 34) }; struct fwnode_handle *ep; unsigned long rate; + unsigned int i, j; int ret; - int i; =20 if (!fwnode) return -ENXIO; @@ -1097,11 +1122,20 @@ static int imx334_parse_hw_config(struct imx334 *im= x334) goto done_endpoint_free; } =20 - for (i =3D 0; i < bus_cfg.nr_of_link_frequencies; i++) - if (bus_cfg.link_frequencies[i] =3D=3D IMX334_LINK_FREQ) + for (i =3D 0; i < bus_cfg.nr_of_link_frequencies; i++) { + for (j =3D 0; j < ARRAY_SIZE(link_freq); j++) { + if (bus_cfg.link_frequencies[i] =3D=3D link_freq[j]) { + set_bit(j, &imx334->menu_skip_mask); + break; + } + } + + if (j =3D=3D ARRAY_SIZE(link_freq)) { + ret =3D dev_err_probe(imx334->dev, -EINVAL, + "no supported link freq found\n"); goto done_endpoint_free; - - ret =3D -EINVAL; + } + } =20 done_endpoint_free: v4l2_fwnode_endpoint_free(&bus_cfg); @@ -1232,10 +1266,10 @@ static int imx334_init_controls(struct imx334 *imx3= 34) imx334->link_freq_ctrl =3D v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx334_ctrl_ops, V4L2_CID_LINK_FREQ, - ARRAY_SIZE(link_freq) - - 1, - mode->link_freq_idx, + __fls(imx334->menu_skip_mask), + __ffs(imx334->menu_skip_mask), link_freq); + if (imx334->link_freq_ctrl) imx334->link_freq_ctrl->flags |=3D V4L2_CTRL_FLAG_READ_ONLY; =20 @@ -1302,7 +1336,7 @@ static int imx334_probe(struct i2c_client *client) } =20 /* Set default mode to max resolution */ - imx334->cur_mode =3D &supported_modes[0]; + imx334->cur_mode =3D &supported_modes[__ffs(imx334->menu_skip_mask)]; imx334->cur_code =3D imx334_mbus_codes[0]; imx334->vblank =3D imx334->cur_mode->vblank; =20 --=20 2.34.1