From patchwork Mon Oct 18 09:22:02 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12566065 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 5AA74C433EF for ; Mon, 18 Oct 2021 11:34:56 +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 2DFEC60E76 for ; Mon, 18 Oct 2021 11:34:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 2DFEC60E76 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=qeG43sYe7t6c/4iNfCSYe0kbAXMU8FpCsS4MrM+vPvY=; b=Tv4ffnMb7otCCC aBxPDh45G1tqgSJzyHLhJpP59soTnFfbAY2nseJmQUJhrnbhHbvsDXmVkmHBpJUDm5XKhIkcHa5oY EZs4K8uELPkxUY4ZDH8kXTPjW+k/vPxHhXXMHB9va6gbH6nzG0jPFKq4YB+GmOUlpAu5fdM5WJ8T0 D2a/rxEBYfozW1qsu5bA9bPeCuKB2s1yYZO5D7c99Zxze7Q32SHARgEK9OqJ38n0+C/olWSDavkxn lsImVQc3Ys2UMsEETSP5cTB8ZF1FaHAj9DxxWuF13v5Ww1WNRWUWOIHqMXsd9oQEegLR35ygJoQGi 6x3VH9M8BsojSC5nk2Rg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcQtZ-00FKkx-4N; Mon, 18 Oct 2021 11:33:33 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcQsn-00FKY9-6i for linux-arm-kernel@bombadil.infradead.org; Mon, 18 Oct 2021 11:32:45 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Type:Content-Transfer-Encoding :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:To:From:Sender: Reply-To:Cc:Content-ID:Content-Description; bh=aY6jCnUGOsmcTjxWrEa8MStnOfPuo2HqVLkKcUWHKFU=; b=SLzQh8LqGKa28BXDBK96+P5U5O LWascNybjpFZrZitjRvP0dXILCKWvxGDSE3eq/cuve6+K49GkHnFO7np+K4KL4Ah79lDL3incBmJw gPW2eavyGnlFlwbQJUTzwNBzb37H7mgQDXNWVtnco4cAVWL6DDpsOZDr4EKNZuupKK0qgkexQkM81 QotCZoOjYlqRojNKLWl8g3BTjIs5lEFFzCB+YRIH5OmYOyVQaJts/zzlkHuvUdn4meOGcDF/WAhf1 vFRGADV9Tpb28eqPwbJgKrKgXpkOnGpn/Rz3pJCJZKMzZK7NJyqXo/hShEfiM93qT9ZdEa7TMoPPy mtap0h4Q==; Received: from twspam01.aspeedtech.com ([211.20.114.71]) by desiato.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mcOqr-00AWNU-R0 for linux-arm-kernel@lists.infradead.org; Mon, 18 Oct 2021 09:22:40 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 19I90GS3071199; Mon, 18 Oct 2021 17:00:16 +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; Mon, 18 Oct 2021 17:22:11 +0800 From: Jammy Huang To: , , , , , , , , Subject: [PATCH v2 2/7] media: aspeed: use v4l2_info/v4l2_warn/v4l2_dbg for log Date: Mon, 18 Oct 2021 17:22:02 +0800 Message-ID: <20211018092207.13336-3-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211018092207.13336-1-jammy_huang@aspeedtech.com> References: <20211018092207.13336-1-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 19I90GS3071199 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211018_102238_468663_467FA687 X-CRM114-Status: GOOD ( 12.39 ) 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. Higher the value, more the information. Signed-off-by: Jammy Huang --- 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 6259cf17a7cc..642ca96c8c52 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; } @@ -565,7 +568,7 @@ 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); @@ -766,8 +769,8 @@ 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) @@ -804,7 +807,7 @@ 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 @@ -1856,6 +1859,9 @@ static struct platform_driver aspeed_video_driver = { module_platform_driver(aspeed_video_driver); +module_param(debug, int, 0644); +MODULE_PARM_DESC(debug, "Debug level (0-3)"); + MODULE_DESCRIPTION("ASPEED Video Engine Driver"); MODULE_AUTHOR("Eddie James"); MODULE_LICENSE("GPL v2");