From patchwork Thu Nov 18 07:40:23 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12693017 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5B938C433EF for ; Thu, 18 Nov 2021 07:43:03 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2C59A61AFB for ; Thu, 18 Nov 2021 07:43:03 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2C59A61AFB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aspeedtech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=yovDIAO2afK24Hgm6xjXytpPHd0BI0wUHZfYrqD6Pmc=; b=sgqEz0MEynPaFk /EJjQDSjL8Y1FxTbom8YmD2qEFKi+41HHqvaqX+63usM/jCSfq587DJpAFPiH5+xikCVe9tjq5Xxt hF1kephdHYcaGUk7kpvUO8FkQPYqwOVEtsTmlW8s2jaj7o04BNyMCxr6Hi1OqEJPSGRbe7eu2aHUo PD1YQEI7KCnWBWL0V35TWGvt4WNuKeZg+c5SQk+aWBUpDokFrAfJ+p/Sbou4ji+gi0QkfRNYIOn4w Rl/Pnuhn6o3tN75ajrt2gZiBUVaySW/pPeVoWtvp0SQPsG9d1hqqeBshB8r6X9Zb2k2LsAObJMxie 2UI4rZLn9mVhi4ojC7qg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mnc2w-0074r9-78; Thu, 18 Nov 2021 07:41:26 +0000 Received: from twspam01.aspeedtech.com ([211.20.114.71]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mnc2b-0074lD-Eg for linux-arm-kernel@lists.infradead.org; Thu, 18 Nov 2021 07:41:07 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GOeD076136; Thu, 18 Nov 2021 15:16:24 +0800 (GMT-8) (envelope-from jammy_huang@aspeedtech.com) Received: from JammyHuang-PC.aspeed.com (192.168.2.115) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Thu, 18 Nov 2021 15:40:10 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 02/10] media: aspeed: use v4l2_info/v4l2_warn/v4l2_dbg for log Date: Thu, 18 Nov 2021 15:40:23 +0800 Message-ID: <20211118074030.685-3-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211118074030.685-1-jammy_huang@aspeedtech.com> References: <20211118074030.685-1-jammy_huang@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.2.115] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 1AI7GOeD076136 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211117_234105_816741_E560B2FA X-CRM114-Status: GOOD ( 13.12 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The debug log level, 0~3, is controlled by module_param, debug. The higher the value, the more the information. 0: off 1: info 2: debug 3: register operations Signed-off-by: Jammy Huang --- v5: - no update v4: - no update v3: - update commit message - update MODULE_PARM_DESC for debug v2: - use v4l2_xxx log rather than self-defined macro --- drivers/media/platform/aspeed-video.c | 40 +++++++++++++++------------ 1 file changed, 23 insertions(+), 17 deletions(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index f5c40d6b4ece..6af57467b6d4 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -30,6 +30,7 @@ #include #include #include +#include #define DEVICE_NAME "aspeed-video" @@ -390,6 +391,8 @@ static const struct v4l2_dv_timings_cap aspeed_video_timings_cap = { }, }; +static unsigned int debug; + static void aspeed_video_init_jpeg_table(u32 *table, bool yuv420) { int i; @@ -437,23 +440,23 @@ static void aspeed_video_update(struct aspeed_video *video, u32 reg, u32 clear, t &= ~clear; t |= bits; writel(t, video->base + reg); - dev_dbg(video->dev, "update %03x[%08x -> %08x]\n", reg, before, - readl(video->base + reg)); + v4l2_dbg(3, debug, &video->v4l2_dev, "update %03x[%08x -> %08x]\n", + reg, before, readl(video->base + reg)); } static u32 aspeed_video_read(struct aspeed_video *video, u32 reg) { u32 t = readl(video->base + reg); - dev_dbg(video->dev, "read %03x[%08x]\n", reg, t); + v4l2_dbg(3, debug, &video->v4l2_dev, "read %03x[%08x]\n", reg, t); return t; } static void aspeed_video_write(struct aspeed_video *video, u32 reg, u32 val) { writel(val, video->base + reg); - dev_dbg(video->dev, "write %03x[%08x]\n", reg, - readl(video->base + reg)); + v4l2_dbg(3, debug, &video->v4l2_dev, "write %03x[%08x]\n", reg, + readl(video->base + reg)); } static void update_perf(struct aspeed_video_perf *p) @@ -474,13 +477,13 @@ static int aspeed_video_start_frame(struct aspeed_video *video) u32 seq_ctrl = aspeed_video_read(video, VE_SEQ_CTRL); if (video->v4l2_input_status) { - dev_dbg(video->dev, "No signal; don't start frame\n"); + v4l2_warn(&video->v4l2_dev, "No signal; don't start frame\n"); return 0; } if (!(seq_ctrl & VE_SEQ_CTRL_COMP_BUSY) || !(seq_ctrl & VE_SEQ_CTRL_CAP_BUSY)) { - dev_dbg(video->dev, "Engine busy; don't start frame\n"); + v4l2_warn(&video->v4l2_dev, "Engine busy; don't start frame\n"); return -EBUSY; } @@ -489,7 +492,7 @@ static int aspeed_video_start_frame(struct aspeed_video *video) struct aspeed_video_buffer, link); if (!buf) { spin_unlock_irqrestore(&video->lock, flags); - dev_dbg(video->dev, "No buffers; don't start frame\n"); + v4l2_warn(&video->v4l2_dev, "No buffers; don't start frame\n"); return -EPROTO; } @@ -569,7 +572,7 @@ static void aspeed_video_bufs_done(struct aspeed_video *video, static void aspeed_video_irq_res_change(struct aspeed_video *video, ulong delay) { - dev_dbg(video->dev, "Resolution changed; resetting\n"); + v4l2_dbg(1, debug, &video->v4l2_dev, "Resolution changed; resetting\n"); set_bit(VIDEO_RES_CHANGE, &video->flags); clear_bit(VIDEO_FRAME_INPRG, &video->flags); @@ -770,8 +773,8 @@ static void aspeed_video_calc_compressed_size(struct aspeed_video *video, aspeed_video_write(video, VE_STREAM_BUF_SIZE, compression_buffer_size_reg); - dev_dbg(video->dev, "Max compressed size: %x\n", - video->max_compressed_size); + v4l2_dbg(1, debug, &video->v4l2_dev, "Max compressed size: %#x\n", + video->max_compressed_size); } #define res_check(v) test_and_clear_bit(VIDEO_MODE_DETECT_DONE, &(v)->flags) @@ -808,7 +811,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) res_check(video), MODE_DETECT_TIMEOUT); if (!rc) { - dev_dbg(video->dev, "Timed out; first mode detect\n"); + v4l2_warn(&video->v4l2_dev, "Timed out; first mode detect\n"); clear_bit(VIDEO_RES_DETECT, &video->flags); return; } @@ -822,7 +825,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) MODE_DETECT_TIMEOUT); clear_bit(VIDEO_RES_DETECT, &video->flags); if (!rc) { - dev_dbg(video->dev, "Timed out; second mode detect\n"); + v4l2_warn(&video->v4l2_dev, "Timed out; second mode detect\n"); return; } @@ -856,7 +859,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) } while (invalid_resolution && (tries++ < INVALID_RESOLUTION_RETRIES)); if (invalid_resolution) { - dev_dbg(video->dev, "Invalid resolution detected\n"); + v4l2_warn(&video->v4l2_dev, "Invalid resolution detected\n"); return; } @@ -873,8 +876,8 @@ static void aspeed_video_get_resolution(struct aspeed_video *video) aspeed_video_update(video, VE_SEQ_CTRL, 0, VE_SEQ_CTRL_AUTO_COMP | VE_SEQ_CTRL_EN_WATCHDOG); - dev_dbg(video->dev, "Got resolution: %dx%d\n", det->width, - det->height); + v4l2_dbg(1, debug, &video->v4l2_dev, "Got resolution: %dx%d\n", + det->width, det->height); } static void aspeed_video_set_resolution(struct aspeed_video *video) @@ -1501,7 +1504,7 @@ static void aspeed_video_stop_streaming(struct vb2_queue *q) !test_bit(VIDEO_FRAME_INPRG, &video->flags), STOP_TIMEOUT); if (!rc) { - dev_dbg(video->dev, "Timed out when stopping streaming\n"); + v4l2_warn(&video->v4l2_dev, "Timed out when stopping streaming\n"); /* * Need to force stop any DMA and try and get HW into a good @@ -1851,6 +1854,9 @@ static struct platform_driver aspeed_video_driver = { module_platform_driver(aspeed_video_driver); +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Debug level (0=off,1=info,2=debug,3=reg ops)"); + MODULE_DESCRIPTION("ASPEED Video Engine Driver"); MODULE_AUTHOR("Eddie James"); MODULE_LICENSE("GPL v2");