From patchwork Tue Dec 7 01:41:46 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12660767 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 1AD97C433EF for ; Tue, 7 Dec 2021 01:42:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234273AbhLGBqL (ORCPT ); Mon, 6 Dec 2021 20:46:11 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:49708 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233495AbhLGBqK (ORCPT ); Mon, 6 Dec 2021 20:46:10 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1B71GuqE058440; Tue, 7 Dec 2021 09:16:56 +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; Tue, 7 Dec 2021 09:41:50 +0800 From: Jammy Huang To: , , , , , , , , Subject: [PATCH 1/2] media: aspeed: use v4l2_info/v4l2_warn/v4l2_dbg for log Date: Tue, 7 Dec 2021 09:41:46 +0800 Message-ID: <20211207014147.226-2-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207014147.226-1-jammy_huang@aspeedtech.com> References: <20211207014147.226-1-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 1B71GuqE058440 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.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 --- 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"); From patchwork Tue Dec 7 01:41:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12660765 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 DC813C433F5 for ; Tue, 7 Dec 2021 01:42:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234070AbhLGBqK (ORCPT ); Mon, 6 Dec 2021 20:46:10 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:46179 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230197AbhLGBqK (ORCPT ); Mon, 6 Dec 2021 20:46:10 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1B71GuEn058441; Tue, 7 Dec 2021 09:16:56 +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; Tue, 7 Dec 2021 09:41:50 +0800 From: Jammy Huang To: , , , , , , , , Subject: [PATCH 2/2] media: aspeed: add more debug log messages Date: Tue, 7 Dec 2021 09:41:47 +0800 Message-ID: <20211207014147.226-3-jammy_huang@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211207014147.226-1-jammy_huang@aspeedtech.com> References: <20211207014147.226-1-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 1B71GuEn058441 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The new messages are listed as below: 1. jpeg header and capture buffer information 2. information for each irq 3. current capture mode, sync or direct-fetch 4. time consumed for each frame 5. input timing changed information Signed-off-by: Jammy Huang --- drivers/media/platform/aspeed-video.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 6af57467b6d4..e8dd0a7ebfc7 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -461,12 +461,17 @@ static void aspeed_video_write(struct aspeed_video *video, u32 reg, u32 val) static void update_perf(struct aspeed_video_perf *p) { + struct aspeed_video *v = container_of(p, struct aspeed_video, + perf); + p->duration = ktime_to_ms(ktime_sub(ktime_get(), p->last_sample)); p->totaltime += p->duration; p->duration_max = max(p->duration, p->duration_max); p->duration_min = min(p->duration, p->duration_min); + v4l2_dbg(2, debug, &v->v4l2_dev, "time consumed: %d ms\n", + p->duration); } static int aspeed_video_start_frame(struct aspeed_video *video) @@ -597,6 +602,12 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) struct aspeed_video *video = arg; u32 sts = aspeed_video_read(video, VE_INTERRUPT_STATUS); + v4l2_dbg(2, debug, &video->v4l2_dev, "irq sts=%#x %s%s%s%s\n", sts, + sts & VE_INTERRUPT_MODE_DETECT_WD ? ", unlock" : "", + sts & VE_INTERRUPT_MODE_DETECT ? ", lock" : "", + sts & VE_INTERRUPT_CAPTURE_COMPLETE ? ", capture-done" : "", + sts & VE_INTERRUPT_COMP_COMPLETE ? ", comp-done" : ""); + /* * Resolution changed or signal was lost; reset the engine and * re-initialize @@ -910,6 +921,7 @@ static void aspeed_video_set_resolution(struct aspeed_video *video) /* Don't use direct mode below 1024 x 768 (irqs don't fire) */ if (size < DIRECT_FETCH_THRESHOLD) { + v4l2_dbg(1, debug, &video->v4l2_dev, "Capture: Sync Mode\n"); aspeed_video_write(video, VE_TGS_0, FIELD_PREP(VE_TGS_FIRST, video->frame_left - 1) | @@ -921,6 +933,7 @@ static void aspeed_video_set_resolution(struct aspeed_video *video) video->frame_bottom + 1)); aspeed_video_update(video, VE_CTRL, 0, VE_CTRL_INT_DE); } else { + v4l2_dbg(1, debug, &video->v4l2_dev, "Capture: Direct Mode\n"); aspeed_video_update(video, VE_CTRL, 0, VE_CTRL_DIRECT_FETCH); } @@ -937,6 +950,10 @@ static void aspeed_video_set_resolution(struct aspeed_video *video) if (!aspeed_video_alloc_buf(video, &video->srcs[1], size)) goto err_mem; + v4l2_dbg(1, debug, &video->v4l2_dev, "src buf0 addr(%#x) size(%d)\n", + video->srcs[0].dma, video->srcs[0].size); + v4l2_dbg(1, debug, &video->v4l2_dev, "src buf1 addr(%#x) size(%d)\n", + video->srcs[1].dma, video->srcs[1].size); aspeed_video_write(video, VE_SRC0_ADDR, video->srcs[0].dma); aspeed_video_write(video, VE_SRC1_ADDR, video->srcs[1].dma); } @@ -1201,6 +1218,9 @@ static int aspeed_video_set_dv_timings(struct file *file, void *fh, timings->type = V4L2_DV_BT_656_1120; + v4l2_dbg(1, debug, &video->v4l2_dev, "set new timings(%dx%d)\n", + timings->bt.width, timings->bt.height); + return 0; } @@ -1383,6 +1403,7 @@ static void aspeed_video_resolution_work(struct work_struct *work) .u.src_change.changes = V4L2_EVENT_SRC_CH_RESOLUTION, }; + v4l2_dbg(1, debug, &video->v4l2_dev, "fire source change event\n"); v4l2_event_queue(&video->vdev, &ev); } else if (test_bit(VIDEO_STREAMING, &video->flags)) { /* No resolution change so just restart streaming */ @@ -1715,6 +1736,7 @@ static int aspeed_video_init(struct aspeed_video *video) dev_err(dev, "Unable to request IRQ %d\n", irq); return rc; } + dev_info(video->dev, "irq %d\n", irq); video->eclk = devm_clk_get(dev, "eclk"); if (IS_ERR(video->eclk)) { @@ -1751,6 +1773,8 @@ static int aspeed_video_init(struct aspeed_video *video) rc = -ENOMEM; goto err_release_reserved_mem; } + dev_info(video->dev, "alloc mem size(%d) at %#x for jpeg header\n", + VE_JPEG_HEADER_SIZE, video->jpeg.dma); aspeed_video_init_jpeg_table(video->jpeg.virt, video->yuv420);