From patchwork Mon Dec 11 14:06:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sakari Ailus X-Patchwork-Id: 752866 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="E+bawBZh" Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.120]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D45F29029 for ; Mon, 11 Dec 2023 06:07:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1702303633; x=1733839633; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Y7u1589u3IzL8cNUP1vBOOFbqMbJ+mg7XP6yO7oiRYk=; b=E+bawBZhtowPPdq5zvkxIMZxrycmqpfeSdGzTQG2ZtjDrq676Q8zUo/G pLzWlHhxWWfkPAeX90dPJB/ee1Or58YSz9x5QGrraB7O3X/XatyhiikDA utIdPvy0irLxwXGC7NBDZ9q0SZEo+WQTRDAwj7KFHU6zB7wwxicfgut2L 1Tsnav27GgcX4enItfbaGPqCG+ViaaqXPoRYWYgObM8qzwr/hQaGeRJwr B21k+g1GoK24Y+gGpDekaE9K6B7wPI/TDp+igz/R2ku2A2pLFCnd/835e IzQmo7zmTl3ArzZlS9p6ZOJD1yVgGwcc3G0o3nLCDFQXAPqvb6enTcVkW g==; X-IronPort-AV: E=McAfee;i="6600,9927,10921"; a="393523864" X-IronPort-AV: E=Sophos;i="6.04,268,1695711600"; d="scan'208";a="393523864" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2023 06:07:07 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10921"; a="863795259" X-IronPort-AV: E=Sophos;i="6.04,268,1695711600"; d="scan'208";a="863795259" Received: from turnipsi.fi.intel.com (HELO kekkonen.fi.intel.com) ([10.237.72.44]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Dec 2023 06:07:05 -0800 Received: from svinhufvud.ger.corp.intel.com (localhost [IPv6:::1]) by kekkonen.fi.intel.com (Postfix) with ESMTP id CB6E9120619; Mon, 11 Dec 2023 16:07:02 +0200 (EET) From: Sakari Ailus To: linux-media@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, jacopo.mondi@ideasonboard.com, Bingbu Cao , Tianshu Qiu , Hans Verkuil Subject: [PATCH 4/4] media: imx355: Use v4l2_link_frequencies_to_bitmap helper Date: Mon, 11 Dec 2023 16:06:58 +0200 Message-Id: <20231211140658.366268-5-sakari.ailus@linux.intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20231211140658.366268-1-sakari.ailus@linux.intel.com> References: <20231211140658.366268-1-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Use the v4l2_link_frequencies_to_bitmap() helper to figure out which driver-supported link frequencies can be used on a given system. Signed-off-by: Sakari Ailus --- drivers/media/i2c/imx355.c | 53 ++++++++++---------------------------- 1 file changed, 14 insertions(+), 39 deletions(-) diff --git a/drivers/media/i2c/imx355.c b/drivers/media/i2c/imx355.c index 8c995c58743a..51e3f3ae53da 100644 --- a/drivers/media/i2c/imx355.c +++ b/drivers/media/i2c/imx355.c @@ -56,7 +56,7 @@ #define IMX355_REG_ORIENTATION 0x0101 /* default link frequency and external clock */ -#define IMX355_LINK_FREQ_DEFAULT 360000000 +#define IMX355_LINK_FREQ_DEFAULT 360000000LL #define IMX355_EXT_CLK 19200000 #define IMX355_LINK_FREQ_INDEX 0 @@ -93,8 +93,7 @@ struct imx355_mode { struct imx355_hwcfg { u32 ext_clk; /* sensor external clk */ - s64 *link_freqs; /* CSI-2 link frequencies */ - unsigned int nr_of_link_freqs; + unsigned long link_freq_bitmap; }; struct imx355 { @@ -115,7 +114,6 @@ struct imx355 { const struct imx355_mode *cur_mode; struct imx355_hwcfg *hwcfg; - s64 link_def_freq; /* CSI-2 link default frequency */ /* * Mutex for serialized access: @@ -879,7 +877,10 @@ static const char * const imx355_test_pattern_menu[] = { "Pseudorandom Sequence (PN9)", }; -/* supported link frequencies */ +/* + * When adding more than the one below, make sure the disallowed ones will + * actually be disabled in the LINK_FREQ control. + */ static const s64 link_freq_menu_items[] = { IMX355_LINK_FREQ_DEFAULT, }; @@ -1356,7 +1357,7 @@ imx355_set_pad_format(struct v4l2_subdev *sd, *framefmt = fmt->format; } else { imx355->cur_mode = mode; - pixel_rate = imx355->link_def_freq * 2 * 4; + pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4; do_div(pixel_rate, 10); __v4l2_ctrl_s_ctrl_int64(imx355->pixel_rate, pixel_rate); /* Update limits and set FPS to default */ @@ -1543,7 +1544,7 @@ static int imx355_init_controls(struct imx355 *imx355) imx355->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; /* pixel_rate = link_freq * 2 * nr_of_lanes / bits_per_sample */ - pixel_rate = imx355->link_def_freq * 2 * 4; + pixel_rate = IMX355_LINK_FREQ_DEFAULT * 2 * 4; do_div(pixel_rate, 10); /* By default, PIXEL_RATE is read only */ imx355->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx355_ctrl_ops, @@ -1620,7 +1621,6 @@ static struct imx355_hwcfg *imx355_get_hwcfg(struct device *dev) }; struct fwnode_handle *ep; struct fwnode_handle *fwnode = dev_fwnode(dev); - unsigned int i; int ret; if (!fwnode) @@ -1652,24 +1652,14 @@ static struct imx355_hwcfg *imx355_get_hwcfg(struct device *dev) goto out_err; } - dev_dbg(dev, "num of link freqs: %d", bus_cfg.nr_of_link_frequencies); - if (!bus_cfg.nr_of_link_frequencies) { - dev_warn(dev, "no link frequencies defined"); - goto out_err; - } - - cfg->nr_of_link_freqs = bus_cfg.nr_of_link_frequencies; - cfg->link_freqs = devm_kcalloc(dev, - bus_cfg.nr_of_link_frequencies + 1, - sizeof(*cfg->link_freqs), GFP_KERNEL); - if (!cfg->link_freqs) + ret = v4l2_link_frequencies_to_bitmap(dev, bus_cfg.link_frequencies, + bus_cfg.nr_of_link_frequencies, + link_freq_menu_items, + ARRAY_SIZE(link_freq_menu_items), + &cfg->link_freq_bitmap); + if (ret) goto out_err; - for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++) { - cfg->link_freqs[i] = bus_cfg.link_frequencies[i]; - dev_dbg(dev, "link_freq[%d] = %lld", i, cfg->link_freqs[i]); - } - v4l2_fwnode_endpoint_free(&bus_cfg); fwnode_handle_put(ep); return cfg; @@ -1684,7 +1674,6 @@ static int imx355_probe(struct i2c_client *client) { struct imx355 *imx355; int ret; - u32 i; imx355 = devm_kzalloc(&client->dev, sizeof(*imx355), GFP_KERNEL); if (!imx355) @@ -1709,20 +1698,6 @@ static int imx355_probe(struct i2c_client *client) goto error_probe; } - imx355->link_def_freq = link_freq_menu_items[IMX355_LINK_FREQ_INDEX]; - for (i = 0; i < imx355->hwcfg->nr_of_link_freqs; i++) { - if (imx355->hwcfg->link_freqs[i] == imx355->link_def_freq) { - dev_dbg(&client->dev, "link freq index %d matched", i); - break; - } - } - - if (i == imx355->hwcfg->nr_of_link_freqs) { - dev_err(&client->dev, "no link frequency supported"); - ret = -EINVAL; - goto error_probe; - } - /* Set default mode to max resolution */ imx355->cur_mode = &supported_modes[0];