From patchwork Thu Nov 18 07:40:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626147 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 4618EC433F5 for ; Thu, 18 Nov 2021 07:41:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 22B8161AFB for ; Thu, 18 Nov 2021 07:41:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243655AbhKRHoJ (ORCPT ); Thu, 18 Nov 2021 02:44:09 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:23325 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243567AbhKRHoJ (ORCPT ); Thu, 18 Nov 2021 02:44:09 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GOWO076134; 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 01/10] media: aspeed: move err-handling together to the bottom Date: Thu, 18 Nov 2021 15:40:22 +0800 Message-ID: <20211118074030.685-2-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 1AI7GOWO076134 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org refine aspeed_video_setup_video() flow. Signed-off-by: Jammy Huang --- v5: - no update v4: - no update v3: - no update v2: - no update --- drivers/media/platform/aspeed-video.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index fea5e4d0927e..f5c40d6b4ece 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -1641,11 +1641,8 @@ static int aspeed_video_setup_video(struct aspeed_video *video) rc = video->ctrl_handler.error; if (rc) { - v4l2_ctrl_handler_free(&video->ctrl_handler); - v4l2_device_unregister(v4l2_dev); - dev_err(video->dev, "Failed to init controls: %d\n", rc); - return rc; + goto err_ctrl_init; } v4l2_dev->ctrl_handler = &video->ctrl_handler; @@ -1663,11 +1660,8 @@ static int aspeed_video_setup_video(struct aspeed_video *video) rc = vb2_queue_init(vbq); if (rc) { - v4l2_ctrl_handler_free(&video->ctrl_handler); - v4l2_device_unregister(v4l2_dev); - dev_err(video->dev, "Failed to init vb2 queue\n"); - return rc; + goto err_vb2_init; } vdev->queue = vbq; @@ -1685,15 +1679,19 @@ static int aspeed_video_setup_video(struct aspeed_video *video) video_set_drvdata(vdev, video); rc = video_register_device(vdev, VFL_TYPE_GRABBER, 0); if (rc) { - vb2_queue_release(vbq); - v4l2_ctrl_handler_free(&video->ctrl_handler); - v4l2_device_unregister(v4l2_dev); - dev_err(video->dev, "Failed to register video device\n"); - return rc; + goto err_video_reg; } return 0; + +err_video_reg: + vb2_queue_release(vbq); +err_vb2_init: +err_ctrl_init: + v4l2_ctrl_handler_free(&video->ctrl_handler); + v4l2_device_unregister(v4l2_dev); + return rc; } static int aspeed_video_init(struct aspeed_video *video) 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: 12626153 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 D677CC4332F for ; Thu, 18 Nov 2021 07:41:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BE92661AF7 for ; Thu, 18 Nov 2021 07:41:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243916AbhKRHoV (ORCPT ); Thu, 18 Nov 2021 02:44:21 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:7931 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243811AbhKRHoM (ORCPT ); Thu, 18 Nov 2021 02:44:12 -0500 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 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 --- 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"); From patchwork Thu Nov 18 07:40:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626149 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 EB75DC433EF for ; Thu, 18 Nov 2021 07:41:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF38D61AFB for ; Thu, 18 Nov 2021 07:41:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243747AbhKRHoK (ORCPT ); Thu, 18 Nov 2021 02:44:10 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:21922 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243336AbhKRHoJ (ORCPT ); Thu, 18 Nov 2021 02:44:09 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GO8n076137; 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 15:40:11 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 03/10] media: aspeed: add more debug log messages Date: Thu, 18 Nov 2021 15:40:24 +0800 Message-ID: <20211118074030.685-4-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 1AI7GO8n076137 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 --- v5: - no update v4: - modify log level v3: - update commit message v2: - new --- 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); From patchwork Thu Nov 18 07:40:25 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626151 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 5932BC433F5 for ; Thu, 18 Nov 2021 07:41:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3ACA261391 for ; Thu, 18 Nov 2021 07:41:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243832AbhKRHoO (ORCPT ); Thu, 18 Nov 2021 02:44:14 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:50874 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243336AbhKRHoM (ORCPT ); Thu, 18 Nov 2021 02:44:12 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GOVN076138; 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 15:40:11 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 04/10] media: aspeed: refactor to gather format/compress settings Date: Thu, 18 Nov 2021 15:40:25 +0800 Message-ID: <20211118074030.685-5-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 1AI7GOVN076138 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add API, aspeed_video_update_regs(), to gather format/compress settings which are controlled by user. Signed-off-by: Jammy Huang --- v5: - no update v4: - no update v3: - no update v2: - update commit message - update log to use v4l2_dbg rather than dprintk --- drivers/media/platform/aspeed-video.c | 69 ++++++++++++++------------- 1 file changed, 35 insertions(+), 34 deletions(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index e8dd0a7ebfc7..d2335d669fb3 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -967,20 +967,42 @@ static void aspeed_video_set_resolution(struct aspeed_video *video) aspeed_video_free_buf(video, &video->srcs[0]); } -static void aspeed_video_init_regs(struct aspeed_video *video) +static void aspeed_video_update_regs(struct aspeed_video *video) { u32 comp_ctrl = VE_COMP_CTRL_RSVD | FIELD_PREP(VE_COMP_CTRL_DCT_LUM, video->jpeg_quality) | FIELD_PREP(VE_COMP_CTRL_DCT_CHR, video->jpeg_quality | 0x10); - u32 ctrl = VE_CTRL_AUTO_OR_CURSOR; + u32 ctrl = 0; u32 seq_ctrl = VE_SEQ_CTRL_JPEG_MODE; + v4l2_dbg(1, debug, &video->v4l2_dev, "framerate(%d)\n", + video->frame_rate); + v4l2_dbg(1, debug, &video->v4l2_dev, "subsample(%s)\n", + video->yuv420 ? "420" : "444"); + v4l2_dbg(1, debug, &video->v4l2_dev, "compression quality(%d)\n", + video->jpeg_quality); + if (video->frame_rate) ctrl |= FIELD_PREP(VE_CTRL_FRC, video->frame_rate); if (video->yuv420) seq_ctrl |= VE_SEQ_CTRL_YUV420; + if (video->jpeg.virt) + aspeed_video_update_jpeg_table(video->jpeg.virt, video->yuv420); + + /* Set control registers */ + aspeed_video_update(video, VE_SEQ_CTRL, + VE_SEQ_CTRL_JPEG_MODE | VE_SEQ_CTRL_YUV420, + seq_ctrl); + aspeed_video_update(video, VE_CTRL, VE_CTRL_FRC, ctrl); + aspeed_video_update(video, VE_COMP_CTRL, + VE_COMP_CTRL_DCT_LUM | VE_COMP_CTRL_DCT_CHR, + comp_ctrl); +} + +static void aspeed_video_init_regs(struct aspeed_video *video) +{ /* Unlock VE registers */ aspeed_video_write(video, VE_PROTECTION_KEY, VE_PROTECTION_KEY_UNLOCK); @@ -995,9 +1017,8 @@ static void aspeed_video_init_regs(struct aspeed_video *video) aspeed_video_write(video, VE_JPEG_ADDR, video->jpeg.dma); /* Set control registers */ - aspeed_video_write(video, VE_SEQ_CTRL, seq_ctrl); - aspeed_video_write(video, VE_CTRL, ctrl); - aspeed_video_write(video, VE_COMP_CTRL, comp_ctrl); + aspeed_video_write(video, VE_CTRL, VE_CTRL_AUTO_OR_CURSOR); + aspeed_video_write(video, VE_COMP_CTRL, VE_COMP_CTRL_RSVD); /* Don't downscale */ aspeed_video_write(video, VE_SCALING_FACTOR, 0x10001000); @@ -1326,27 +1347,6 @@ static const struct v4l2_ioctl_ops aspeed_video_ioctl_ops = { .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; -static void aspeed_video_update_jpeg_quality(struct aspeed_video *video) -{ - u32 comp_ctrl = FIELD_PREP(VE_COMP_CTRL_DCT_LUM, video->jpeg_quality) | - FIELD_PREP(VE_COMP_CTRL_DCT_CHR, video->jpeg_quality | 0x10); - - aspeed_video_update(video, VE_COMP_CTRL, - VE_COMP_CTRL_DCT_LUM | VE_COMP_CTRL_DCT_CHR, - comp_ctrl); -} - -static void aspeed_video_update_subsampling(struct aspeed_video *video) -{ - if (video->jpeg.virt) - aspeed_video_update_jpeg_table(video->jpeg.virt, video->yuv420); - - if (video->yuv420) - aspeed_video_update(video, VE_SEQ_CTRL, 0, VE_SEQ_CTRL_YUV420); - else - aspeed_video_update(video, VE_SEQ_CTRL, VE_SEQ_CTRL_YUV420, 0); -} - static int aspeed_video_set_ctrl(struct v4l2_ctrl *ctrl) { struct aspeed_video *video = container_of(ctrl->handler, @@ -1356,16 +1356,13 @@ static int aspeed_video_set_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_JPEG_COMPRESSION_QUALITY: video->jpeg_quality = ctrl->val; - aspeed_video_update_jpeg_quality(video); + if (test_bit(VIDEO_STREAMING, &video->flags)) + aspeed_video_update_regs(video); break; case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: - if (ctrl->val == V4L2_JPEG_CHROMA_SUBSAMPLING_420) { - video->yuv420 = true; - aspeed_video_update_subsampling(video); - } else { - video->yuv420 = false; - aspeed_video_update_subsampling(video); - } + video->yuv420 = (ctrl->val == V4L2_JPEG_CHROMA_SUBSAMPLING_420); + if (test_bit(VIDEO_STREAMING, &video->flags)) + aspeed_video_update_regs(video); break; default: return -EINVAL; @@ -1393,6 +1390,8 @@ static void aspeed_video_resolution_work(struct work_struct *work) aspeed_video_init_regs(video); + aspeed_video_update_regs(video); + aspeed_video_get_resolution(video); if (video->detected_timings.width != video->active_timings.width || @@ -1504,6 +1503,8 @@ static int aspeed_video_start_streaming(struct vb2_queue *q, video->perf.duration_max = 0; video->perf.duration_min = 0xffffffff; + aspeed_video_update_regs(video); + rc = aspeed_video_start_frame(video); if (rc) { aspeed_video_bufs_done(video, VB2_BUF_STATE_QUEUED); From patchwork Thu Nov 18 07:40:26 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626157 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 A064BC433FE for ; Thu, 18 Nov 2021 07:41:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8624561AFB for ; Thu, 18 Nov 2021 07:41:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244006AbhKRHo3 (ORCPT ); Thu, 18 Nov 2021 02:44:29 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:5105 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243873AbhKRHoX (ORCPT ); Thu, 18 Nov 2021 02:44:23 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GPho076139; Thu, 18 Nov 2021 15:16:25 +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 15:40:11 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 05/10] media: v4l: Add definition for the Aspeed JPEG format Date: Thu, 18 Nov 2021 15:40:26 +0800 Message-ID: <20211118074030.685-6-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 1AI7GPho076139 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This introduces support for the Aspeed JPEG format, where the new frame can refer to previous frame to reduce the amount of compressed data. The concept is similar to I/P frame of video compression. I will compare the new frame with previous one to decide which macroblock's data is changed, and only the changed macroblocks will be compressed. This Aspeed JPEG format is used by the video engine on Aspeed platforms, which is generally adapted for remote KVM. Signed-off-by: Jammy Huang --- v5: - no update v4: - new --- Documentation/media/uapi/v4l/pixfmt-reserved.rst | 12 ++++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 14 insertions(+) diff --git a/Documentation/media/uapi/v4l/pixfmt-reserved.rst b/Documentation/media/uapi/v4l/pixfmt-reserved.rst index b2cd155e691b..23c05063133d 100644 --- a/Documentation/media/uapi/v4l/pixfmt-reserved.rst +++ b/Documentation/media/uapi/v4l/pixfmt-reserved.rst @@ -264,6 +264,18 @@ please make a proposal on the linux-media mailing list. of tiles, resulting in 32-aligned resolutions for the luminance plane and 16-aligned resolutions for the chrominance plane (with 2x2 subsampling). + * .. _V4L2-PIX-FMT-AJPG: + + - ``V4L2_PIX_FMT_AJPG`` + - 'AJPG' + - ASPEED JPEG format used by the aspeed-video driver on Aspeed platforms, + which is generally adapted for remote KVM. + On each frame compression, I will compare the new frame with previous + one to decide which macroblock's data is changed, and only the changed + macroblocks will be compressed. + + You could reference to chapter 36, Video Engine, of AST2600's datasheet + for more information. .. tabularcolumns:: |p{6.6cm}|p{2.2cm}|p{8.7cm}| diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 24db33f803c0..00dde01d2f97 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1378,6 +1378,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; case V4L2_PIX_FMT_MT21C: descr = "Mediatek Compressed Format"; break; case V4L2_PIX_FMT_SUNXI_TILED_NV12: descr = "Sunxi Tiled NV12 Format"; break; + case V4L2_PIX_FMT_AJPG: descr = "Aspeed JPEG"; break; default: if (fmt->description[0]) return; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 3210b3c82a4a..994eb6155ea9 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -726,6 +726,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ #define V4L2_PIX_FMT_SUNXI_TILED_NV12 v4l2_fourcc('S', 'T', '1', '2') /* Sunxi Tiled NV12 Format */ #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ +#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */ /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */ From patchwork Thu Nov 18 07:40:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626167 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 CA272C433FE for ; Thu, 18 Nov 2021 07:43:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AFD2361AF7 for ; Thu, 18 Nov 2021 07:43:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243971AbhKRHqa (ORCPT ); Thu, 18 Nov 2021 02:46:30 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:44526 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243899AbhKRHpv (ORCPT ); Thu, 18 Nov 2021 02:45:51 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GPF7076141; Thu, 18 Nov 2021 15:16:25 +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 15:40:11 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 06/10] media: v4l2-ctrls: Reserve controls for ASPEED Date: Thu, 18 Nov 2021 15:40:27 +0800 Message-ID: <20211118074030.685-7-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 1AI7GPF7076141 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Reserve controls for ASPEED video family. Aspeed video engine contains a few features which improve video quality, reduce amount of compressed data, and etc. Hence, 16 controls are reserved for these aspeed proprietary features. Signed-off-by: Jammy Huang --- v5: - no update v4: - new --- include/uapi/linux/v4l2-controls.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index a2669b79b294..e7c425a6fa9f 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -192,6 +192,11 @@ enum v4l2_colorfx { * We reserve 16 controls for this driver. */ #define V4L2_CID_USER_IMX_BASE (V4L2_CID_USER_BASE + 0x10b0) +/* The base for the aspeed driver controls. + * We reserve 16 controls for this driver. + */ +#define V4L2_CID_USER_ASPEED_BASE (V4L2_CID_USER_BASE + 0x10c0) + /* MPEG-class control IDs */ /* The MPEG controls are applicable to all codec controls * and the 'MPEG' part of the define is historical */ From patchwork Thu Nov 18 07:40:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626155 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 7FBCFC433F5 for ; Thu, 18 Nov 2021 07:41:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 67C1B61AFB for ; Thu, 18 Nov 2021 07:41:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243967AbhKRHo1 (ORCPT ); Thu, 18 Nov 2021 02:44:27 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:60005 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243853AbhKRHoV (ORCPT ); Thu, 18 Nov 2021 02:44:21 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GPkN076148; Thu, 18 Nov 2021 15:16:25 +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 15:40:12 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 07/10] media: aspeed: Use runtime configuration Date: Thu, 18 Nov 2021 15:40:28 +0800 Message-ID: <20211118074030.685-8-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 1AI7GPkN076148 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The aspeed video IP has some differences between SoC families. Currently the driver decides which registers to use at compile time, which means a single kernel can not be used between platforms. Switch to using runtime configuration of the registers that vary between SoC families. Signed-off-by: Joel Stanley Signed-off-by: Jammy Huang --- v5 - new --- drivers/media/platform/aspeed-video.c | 71 ++++++++++++++++++++------- 1 file changed, 52 insertions(+), 19 deletions(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index d2335d669fb3..ba8ee82b38c3 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -75,11 +75,8 @@ #define VE_SEQ_CTRL_CAP_BUSY BIT(16) #define VE_SEQ_CTRL_COMP_BUSY BIT(18) -#ifdef CONFIG_MACH_ASPEED_G4 -#define VE_SEQ_CTRL_JPEG_MODE BIT(8) /* AST2400 */ -#else -#define VE_SEQ_CTRL_JPEG_MODE BIT(13) /* AST2500/2600 */ -#endif +#define AST2500_VE_SEQ_CTRL_JPEG_MODE BIT(13) +#define AST2400_VE_SEQ_CTRL_JPEG_MODE BIT(8) #define VE_CTRL 0x008 #define VE_CTRL_HSYNC_POL BIT(0) @@ -136,9 +133,8 @@ #define VE_COMP_CTRL_HQ_DCT_CHR GENMASK(26, 22) #define VE_COMP_CTRL_HQ_DCT_LUM GENMASK(31, 27) -#define VE_OFFSET_COMP_STREAM 0x078 - -#define VE_JPEG_COMP_SIZE_READ_BACK 0x084 +#define AST2400_VE_COMP_SIZE_READ_BACK 0x078 +#define AST2600_VE_COMP_SIZE_READ_BACK 0x084 #define VE_SRC_LR_EDGE_DET 0x090 #define VE_SRC_LR_EDGE_DET_LEFT GENMASK(11, 0) @@ -233,6 +229,8 @@ struct aspeed_video { struct video_device vdev; struct mutex video_lock; /* v4l2 and videobuf2 lock */ + struct aspeed_video_config config; + wait_queue_head_t wait; spinlock_t lock; /* buffer list lock */ struct delayed_work res_work; @@ -258,6 +256,30 @@ struct aspeed_video { #define to_aspeed_video(x) container_of((x), struct aspeed_video, v4l2_dev) +struct aspeed_video_config { + u32 version; + u32 jpeg_mode; + u32 comp_size_read; +}; + +static const struct aspeed_video_config ast2400_config = { + .version = 4, + .jpeg_mode = AST2400_VE_SEQ_CTRL_JPEG_MODE, + .comp_size_read = AST2400_VE_COMP_SIZE_READ_BACK, +}; + +static const struct aspeed_video_config ast2500_config = { + .version = 5, + .jpeg_mode = AST2500_VE_SEQ_CTRL_JPEG_MODE, + .comp_size_read = AST2400_VE_COMP_SIZE_READ_BACK, +}; + +static const struct aspeed_video_config ast2600_config = { + .version = 6, + .jpeg_mode = AST2500_VE_SEQ_CTRL_JPEG_MODE, + .comp_size_read = AST2600_VE_COMP_SIZE_READ_BACK, +}; + static const u32 aspeed_video_jpeg_header[ASPEED_VIDEO_JPEG_HEADER_SIZE] = { 0xe0ffd8ff, 0x464a1000, 0x01004649, 0x60000101, 0x00006000, 0x0f00feff, 0x00002d05, 0x00000000, 0x00000000, 0x00dbff00 @@ -640,7 +662,7 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) if (sts & VE_INTERRUPT_COMP_COMPLETE) { struct aspeed_video_buffer *buf; u32 frame_size = aspeed_video_read(video, - VE_JPEG_COMP_SIZE_READ_BACK); + video->config.comp_size_read); update_perf(&video->perf); @@ -973,7 +995,7 @@ static void aspeed_video_update_regs(struct aspeed_video *video) FIELD_PREP(VE_COMP_CTRL_DCT_LUM, video->jpeg_quality) | FIELD_PREP(VE_COMP_CTRL_DCT_CHR, video->jpeg_quality | 0x10); u32 ctrl = 0; - u32 seq_ctrl = VE_SEQ_CTRL_JPEG_MODE; + u32 seq_ctrl = video->config.jpeg_mode; v4l2_dbg(1, debug, &video->v4l2_dev, "framerate(%d)\n", video->frame_rate); @@ -993,7 +1015,7 @@ static void aspeed_video_update_regs(struct aspeed_video *video) /* Set control registers */ aspeed_video_update(video, VE_SEQ_CTRL, - VE_SEQ_CTRL_JPEG_MODE | VE_SEQ_CTRL_YUV420, + video->config.jpeg_mode | VE_SEQ_CTRL_YUV420, seq_ctrl); aspeed_video_update(video, VE_CTRL, VE_CTRL_FRC, ctrl); aspeed_video_update(video, VE_COMP_CTRL, @@ -1790,8 +1812,18 @@ static int aspeed_video_init(struct aspeed_video *video) return rc; } +static const struct of_device_id aspeed_video_of_match[] = { + { .compatible = "aspeed,ast2400-video-engine", .data = &ast2400_config }, + { .compatible = "aspeed,ast2500-video-engine", .data = &ast2500_config }, + { .compatible = "aspeed,ast2600-video-engine", .data = &ast2600_config }, + {} +}; +MODULE_DEVICE_TABLE(of, aspeed_video_of_match); + static int aspeed_video_probe(struct platform_device *pdev) { + const struct aspeed_video_config *config; + const struct of_device_id *match; int rc; struct resource *res; struct aspeed_video *video = @@ -1815,6 +1847,13 @@ static int aspeed_video_probe(struct platform_device *pdev) if (IS_ERR(video->base)) return PTR_ERR(video->base); + match = of_match_node(aspeed_video_of_match, pdev->dev.of_node); + if (!match) + return -EINVAL; + + config = match->data; + video->config = *config; + rc = aspeed_video_init(video); if (rc) return rc; @@ -1828,6 +1867,8 @@ static int aspeed_video_probe(struct platform_device *pdev) aspeed_video_debugfs_create(video); + dev_info(video->dev, "compatible for g%d\n", config->version); + return 0; } @@ -1860,14 +1901,6 @@ static int aspeed_video_remove(struct platform_device *pdev) return 0; } -static const struct of_device_id aspeed_video_of_match[] = { - { .compatible = "aspeed,ast2400-video-engine" }, - { .compatible = "aspeed,ast2500-video-engine" }, - { .compatible = "aspeed,ast2600-video-engine" }, - {} -}; -MODULE_DEVICE_TABLE(of, aspeed_video_of_match); - static struct platform_driver aspeed_video_driver = { .driver = { .name = DEVICE_NAME, From patchwork Thu Nov 18 07:40:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626159 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 715A3C433EF for ; Thu, 18 Nov 2021 07:41:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 592E061AF7 for ; Thu, 18 Nov 2021 07:41:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243951AbhKRHoc (ORCPT ); Thu, 18 Nov 2021 02:44:32 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:26157 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243850AbhKRHoW (ORCPT ); Thu, 18 Nov 2021 02:44:22 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GPnQ076150; Thu, 18 Nov 2021 15:16:25 +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 15:40:12 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 08/10] media: aspeed: Support aspeed mode to reduce compressed data Date: Thu, 18 Nov 2021 15:40:29 +0800 Message-ID: <20211118074030.685-9-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 1AI7GPnQ076150 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org aspeed supports differential jpeg format which only compress the parts which are changed. In this way, it reduces both the amount of data to be transferred by network and those to be decoded on the client side. 4 new ctrls are added: * Aspeed JPEG Format: to control aspeed's partial jpeg on/off 0: standard jpeg, 1: aspeed jpeg * Aspeed Compression Mode: to control aspeed's compression mode 0: DCT Only, 1: DCT VQ mix 2-color, 2: DCT VQ mix 4-color This is AST2400 only. It will adapt JPEG or VQ encoding method according to the context automatically. * Aspeed HQ Mode: to control aspeed's high quality(2-pass) compression mode This only works with yuv444 subsampling. * Aspeed HQ Quality: to control the quality of aspeed's HQ mode only useful if Aspeed HQ mode is enabled Aspeed JPEG Format requires an additional buffer, called bcd, to store the information about which macro block in the new frame is different from the previous one. To have bcd correctly working, we need to swap the buffers for src0/1 to make src1 refer to previous frame and src0 to the coming new frame. Signed-off-by: Jammy Huang --- v5: - use runtime configuration to handle differences between soc - add aspeed_video_swap_src_buf(). v4 - add include/uapi/linux/aspeed-video.h for V4L2_CID_ASPEED_XXX - add aspeed_video_set_format - remove aspeed_ctrl_format - add variable, format, to replace partial_jpeg - modify aspeed_ctrl_HQ_jpeg_quality's range - reduce bcd buffer size - update commit message v3: - 'compression mode' only available for G4 v2: - update commit message - use v4l2_xxx log rather than self-defined macro --- drivers/media/platform/aspeed-video.c | 252 +++++++++++++++++++++++--- include/uapi/linux/aspeed-video.h | 15 ++ 2 files changed, 243 insertions(+), 24 deletions(-) create mode 100644 include/uapi/linux/aspeed-video.h diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index ba8ee82b38c3..419825ed7737 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -31,6 +31,7 @@ #include #include #include +#include #define DEVICE_NAME "aspeed-video" @@ -55,6 +56,7 @@ #define VE_MAX_SRC_BUFFER_SIZE 0x8ca000 /* 1920 * 1200, 32bpp */ #define VE_JPEG_HEADER_SIZE 0x006000 /* 512 * 12 * 4 */ +#define VE_BCD_BUFF_SIZE 0x9000 /* (1920/8) * (1200/8) */ #define VE_PROTECTION_KEY 0x000 #define VE_PROTECTION_KEY_UNLOCK 0x1a038aa8 @@ -105,6 +107,13 @@ #define VE_SCALING_FILTER2 0x020 #define VE_SCALING_FILTER3 0x024 +#define VE_BCD_CTRL 0x02C +#define VE_BCD_CTRL_EN_BCD BIT(0) +#define VE_BCD_CTRL_EN_ABCD BIT(1) +#define VE_BCD_CTRL_EN_CB BIT(2) +#define VE_BCD_CTRL_THR GENMASK(23, 16) +#define VE_BCD_CTRL_ABCD_THR GENMASK(31, 24) + #define VE_CAP_WINDOW 0x030 #define VE_COMP_WINDOW 0x034 #define VE_COMP_PROC_OFFSET 0x038 @@ -113,6 +122,7 @@ #define VE_SRC0_ADDR 0x044 #define VE_SRC_SCANLINE_OFFSET 0x048 #define VE_SRC1_ADDR 0x04c +#define VE_BCD_ADDR 0x050 #define VE_COMP_ADDR 0x054 #define VE_STREAM_BUF_SIZE 0x058 @@ -133,6 +143,8 @@ #define VE_COMP_CTRL_HQ_DCT_CHR GENMASK(26, 22) #define VE_COMP_CTRL_HQ_DCT_LUM GENMASK(31, 27) +#define VE_CB_ADDR 0x06C + #define AST2400_VE_COMP_SIZE_READ_BACK 0x078 #define AST2600_VE_COMP_SIZE_READ_BACK 0x084 @@ -191,6 +203,12 @@ enum { VIDEO_CLOCKS_ON, }; +enum aspeed_video_format { + VIDEO_FMT_STANDARD = 0, + VIDEO_FMT_ASPEED, + VIDEO_FMT_MAX = VIDEO_FMT_ASPEED +}; + struct aspeed_video_addr { unsigned int size; dma_addr_t dma; @@ -241,10 +259,15 @@ struct aspeed_video { unsigned int max_compressed_size; struct aspeed_video_addr srcs[2]; struct aspeed_video_addr jpeg; + struct aspeed_video_addr bcd; bool yuv420; + enum aspeed_video_format format; + bool hq_mode; unsigned int frame_rate; unsigned int jpeg_quality; + unsigned int jpeg_hq_quality; + unsigned int compression_mode; unsigned int frame_bottom; unsigned int frame_left; @@ -413,8 +436,20 @@ static const struct v4l2_dv_timings_cap aspeed_video_timings_cap = { }, }; +static const char * const compress_mode_str[] = {"DCT Only", + "DCT VQ mix 2-color", "DCT VQ mix 4-color"}; +static const char * const format_str[] = {"Standard JPEG", + "Aspeed JPEG", "Partial JPEG"}; + static unsigned int debug; +static bool aspeed_video_alloc_buf(struct aspeed_video *video, + struct aspeed_video_addr *addr, + unsigned int size); + +static void aspeed_video_free_buf(struct aspeed_video *video, + struct aspeed_video_addr *addr); + static void aspeed_video_init_jpeg_table(u32 *table, bool yuv420) { int i; @@ -502,6 +537,7 @@ static int aspeed_video_start_frame(struct aspeed_video *video) unsigned long flags; struct aspeed_video_buffer *buf; u32 seq_ctrl = aspeed_video_read(video, VE_SEQ_CTRL); + bool bcd_buf_need = (video->format != VIDEO_FMT_STANDARD); if (video->v4l2_input_status) { v4l2_warn(&video->v4l2_dev, "No signal; don't start frame\n"); @@ -514,6 +550,20 @@ static int aspeed_video_start_frame(struct aspeed_video *video) return -EBUSY; } + if (bcd_buf_need && !video->bcd.size) { + if (!aspeed_video_alloc_buf(video, &video->bcd, + VE_BCD_BUFF_SIZE)) { + dev_err(video->dev, "Failed to allocate BCD buffer\n"); + dev_err(video->dev, "don't start frame\n"); + return -ENOMEM; + } + aspeed_video_write(video, VE_BCD_ADDR, video->bcd.dma); + v4l2_dbg(1, debug, &video->v4l2_dev, "bcd addr(%#x) size(%d)\n", + video->bcd.dma, video->bcd.size); + } else if (!bcd_buf_need && video->bcd.size) { + aspeed_video_free_buf(video, &video->bcd); + } + spin_lock_irqsave(&video->lock, flags); buf = list_first_entry_or_null(&video->buffers, struct aspeed_video_buffer, link); @@ -610,6 +660,20 @@ static void aspeed_video_irq_res_change(struct aspeed_video *video, ulong delay) schedule_delayed_work(&video->res_work, delay); } +static void aspeed_video_swap_src_buf(struct aspeed_video *v) +{ + if (v->format == VIDEO_FMT_STANDARD) + return; + + if (v->sequence & 0x01) { + aspeed_video_write(v, VE_SRC0_ADDR, v->srcs[1].dma); + aspeed_video_write(v, VE_SRC1_ADDR, v->srcs[0].dma); + } else { + aspeed_video_write(v, VE_SRC0_ADDR, v->srcs[0].dma); + aspeed_video_write(v, VE_SRC1_ADDR, v->srcs[1].dma); + } +} + /* * Interrupts that we don't use but have to explicitly ignore because the * hardware asserts them even when they're disabled in the VE_INTERRUPT_CTRL @@ -661,6 +725,7 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) if (sts & VE_INTERRUPT_COMP_COMPLETE) { struct aspeed_video_buffer *buf; + bool empty = true; u32 frame_size = aspeed_video_read(video, video->config.comp_size_read); @@ -674,13 +739,23 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) if (buf) { vb2_set_plane_payload(&buf->vb.vb2_buf, 0, frame_size); - if (!list_is_last(&buf->link, &video->buffers)) { + /* + * partial_jpeg requires continuous update. + * On the contrary, standard jpeg can keep last buffer + * to always have the latest result. + */ + if (video->format == VIDEO_FMT_STANDARD && + list_is_last(&buf->link, &video->buffers)) { + empty = false; + v4l2_warn(&video->v4l2_dev, "skip to keep last frame updated\n"); + } else { buf->vb.vb2_buf.timestamp = ktime_get_ns(); buf->vb.sequence = video->sequence++; buf->vb.field = V4L2_FIELD_NONE; vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE); list_del(&buf->link); + empty = list_empty(&video->buffers); } } spin_unlock(&video->lock); @@ -694,7 +769,10 @@ static irqreturn_t aspeed_video_irq(int irq, void *arg) aspeed_video_write(video, VE_INTERRUPT_STATUS, VE_INTERRUPT_COMP_COMPLETE); sts &= ~VE_INTERRUPT_COMP_COMPLETE; - if (test_bit(VIDEO_STREAMING, &video->flags) && buf) + + aspeed_video_swap_src_buf(video); + + if (test_bit(VIDEO_STREAMING, &video->flags) && !empty) aspeed_video_start_frame(video); } @@ -953,10 +1031,14 @@ static void aspeed_video_set_resolution(struct aspeed_video *video) FIELD_PREP(VE_TGS_FIRST, video->frame_top) | FIELD_PREP(VE_TGS_LAST, video->frame_bottom + 1)); - aspeed_video_update(video, VE_CTRL, 0, VE_CTRL_INT_DE); + aspeed_video_update(video, VE_CTRL, + VE_CTRL_INT_DE | VE_CTRL_DIRECT_FETCH, + 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); + aspeed_video_update(video, VE_CTRL, + VE_CTRL_INT_DE | VE_CTRL_DIRECT_FETCH, + VE_CTRL_DIRECT_FETCH); } size *= 4; @@ -991,35 +1073,71 @@ static void aspeed_video_set_resolution(struct aspeed_video *video) static void aspeed_video_update_regs(struct aspeed_video *video) { - u32 comp_ctrl = VE_COMP_CTRL_RSVD | - FIELD_PREP(VE_COMP_CTRL_DCT_LUM, video->jpeg_quality) | - FIELD_PREP(VE_COMP_CTRL_DCT_CHR, video->jpeg_quality | 0x10); + u8 jpeg_hq_quality = clamp((int)video->jpeg_hq_quality - 1, 0, + ASPEED_VIDEO_JPEG_NUM_QUALITIES - 1); + u32 comp_ctrl = FIELD_PREP(VE_COMP_CTRL_DCT_LUM, video->jpeg_quality) | + FIELD_PREP(VE_COMP_CTRL_DCT_CHR, video->jpeg_quality | 0x10) | + FIELD_PREP(VE_COMP_CTRL_EN_HQ, video->hq_mode) | + FIELD_PREP(VE_COMP_CTRL_HQ_DCT_LUM, jpeg_hq_quality) | + FIELD_PREP(VE_COMP_CTRL_HQ_DCT_CHR, jpeg_hq_quality | + 0x10); u32 ctrl = 0; - u32 seq_ctrl = video->config.jpeg_mode; + u32 seq_ctrl = 0; - v4l2_dbg(1, debug, &video->v4l2_dev, "framerate(%d)\n", - video->frame_rate); - v4l2_dbg(1, debug, &video->v4l2_dev, "subsample(%s)\n", + v4l2_dbg(1, debug, &video->v4l2_dev, "framerate(%d)\n", video->frame_rate); + v4l2_dbg(1, debug, &video->v4l2_dev, "jpeg format(%s) subsample(%s)\n", + format_str[video->format], video->yuv420 ? "420" : "444"); - v4l2_dbg(1, debug, &video->v4l2_dev, "compression quality(%d)\n", - video->jpeg_quality); + v4l2_dbg(1, debug, &video->v4l2_dev, "compression quality(%d) hq(%s) hq_quality(%d)\n", + video->jpeg_quality, video->hq_mode ? "on" : "off", + video->jpeg_hq_quality); + v4l2_dbg(1, debug, &video->v4l2_dev, "compression mode(%s)\n", + compress_mode_str[video->compression_mode]); + + if (video->format == VIDEO_FMT_ASPEED) + aspeed_video_update(video, VE_BCD_CTRL, 0, VE_BCD_CTRL_EN_BCD); + else + aspeed_video_update(video, VE_BCD_CTRL, VE_BCD_CTRL_EN_BCD, 0); if (video->frame_rate) ctrl |= FIELD_PREP(VE_CTRL_FRC, video->frame_rate); + if (video->format == VIDEO_FMT_STANDARD) { + comp_ctrl &= ~FIELD_PREP(VE_COMP_CTRL_EN_HQ, video->hq_mode); + seq_ctrl |= video->config.jpeg_mode; + } + if (video->yuv420) seq_ctrl |= VE_SEQ_CTRL_YUV420; if (video->jpeg.virt) aspeed_video_update_jpeg_table(video->jpeg.virt, video->yuv420); + if (video->config.version == 4) { + switch (video->compression_mode) { + case 0: //DCT only + comp_ctrl |= VE_COMP_CTRL_VQ_DCT_ONLY; + break; + case 1: //DCT VQ mix 2-color + comp_ctrl &= ~(VE_COMP_CTRL_VQ_4COLOR | + VE_COMP_CTRL_VQ_DCT_ONLY); + break; + case 2: //DCT VQ mix 4-color + comp_ctrl |= VE_COMP_CTRL_VQ_4COLOR; + break; + } + } + /* Set control registers */ aspeed_video_update(video, VE_SEQ_CTRL, video->config.jpeg_mode | VE_SEQ_CTRL_YUV420, seq_ctrl); aspeed_video_update(video, VE_CTRL, VE_CTRL_FRC, ctrl); aspeed_video_update(video, VE_COMP_CTRL, - VE_COMP_CTRL_DCT_LUM | VE_COMP_CTRL_DCT_CHR, + VE_COMP_CTRL_DCT_LUM | VE_COMP_CTRL_DCT_CHR | + VE_COMP_CTRL_EN_HQ | VE_COMP_CTRL_HQ_DCT_LUM | + VE_COMP_CTRL_HQ_DCT_CHR | VE_COMP_CTRL_VQ_4COLOR | + VE_COMP_CTRL_VQ_DCT_ONLY, comp_ctrl); } @@ -1051,6 +1169,8 @@ static void aspeed_video_init_regs(struct aspeed_video *video) /* Set mode detection defaults */ aspeed_video_write(video, VE_MODE_DETECT, 0x22666500); + + aspeed_video_write(video, VE_BCD_CTRL, 0); } static void aspeed_video_start(struct aspeed_video *video) @@ -1084,6 +1204,9 @@ static void aspeed_video_stop(struct aspeed_video *video) if (video->srcs[1].size) aspeed_video_free_buf(video, &video->srcs[1]); + if (video->bcd.size) + aspeed_video_free_buf(video, &video->bcd); + video->v4l2_input_status = V4L2_IN_ST_NO_SIGNAL; video->flags = 0; } @@ -1102,10 +1225,12 @@ static int aspeed_video_querycap(struct file *file, void *fh, static int aspeed_video_enum_format(struct file *file, void *fh, struct v4l2_fmtdesc *f) { + struct aspeed_video *video = video_drvdata(file); + if (f->index) return -EINVAL; - f->pixelformat = V4L2_PIX_FMT_JPEG; + f->pixelformat = video->pix_fmt.pixelformat; return 0; } @@ -1120,6 +1245,29 @@ static int aspeed_video_get_format(struct file *file, void *fh, return 0; } +static int aspeed_video_set_format(struct file *file, void *fh, + struct v4l2_format *f) +{ + struct aspeed_video *video = video_drvdata(file); + + if (vb2_is_busy(&video->queue)) + return -EBUSY; + + switch (f->fmt.pix.pixelformat) { + case V4L2_PIX_FMT_JPEG: + video->format = VIDEO_FMT_STANDARD; + break; + case V4L2_PIX_FMT_AJPG: + video->format = VIDEO_FMT_ASPEED; + break; + default: + return -EINVAL; + } + video->pix_fmt.pixelformat = f->fmt.pix.pixelformat; + + return 0; +} + static int aspeed_video_enum_input(struct file *file, void *fh, struct v4l2_input *inp) { @@ -1337,7 +1485,7 @@ static const struct v4l2_ioctl_ops aspeed_video_ioctl_ops = { .vidioc_enum_fmt_vid_cap = aspeed_video_enum_format, .vidioc_g_fmt_vid_cap = aspeed_video_get_format, - .vidioc_s_fmt_vid_cap = aspeed_video_get_format, + .vidioc_s_fmt_vid_cap = aspeed_video_set_format, .vidioc_try_fmt_vid_cap = aspeed_video_get_format, .vidioc_reqbufs = vb2_ioctl_reqbufs, @@ -1386,6 +1534,24 @@ static int aspeed_video_set_ctrl(struct v4l2_ctrl *ctrl) if (test_bit(VIDEO_STREAMING, &video->flags)) aspeed_video_update_regs(video); break; + case V4L2_CID_ASPEED_COMPRESSION_MODE: + if (video->config.version > 4) + return -EINVAL; + + video->compression_mode = ctrl->val; + if (test_bit(VIDEO_STREAMING, &video->flags)) + aspeed_video_update_regs(video); + break; + case V4L2_CID_ASPEED_HQ_MODE: + video->hq_mode = ctrl->val; + if (test_bit(VIDEO_STREAMING, &video->flags)) + aspeed_video_update_regs(video); + break; + case V4L2_CID_ASPEED_HQ_JPEG_QUALITY: + video->jpeg_hq_quality = ctrl->val; + if (test_bit(VIDEO_STREAMING, &video->flags)) + aspeed_video_update_regs(video); + break; default: return -EINVAL; } @@ -1397,6 +1563,39 @@ static const struct v4l2_ctrl_ops aspeed_video_ctrl_ops = { .s_ctrl = aspeed_video_set_ctrl, }; +static const struct v4l2_ctrl_config aspeed_ctrl_compression_mode = { + .ops = &aspeed_video_ctrl_ops, + .id = V4L2_CID_ASPEED_COMPRESSION_MODE, + .name = "Aspeed Compression Mode", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 0, + .max = 2, + .step = 1, + .def = 0, +}; + +static const struct v4l2_ctrl_config aspeed_ctrl_HQ_mode = { + .ops = &aspeed_video_ctrl_ops, + .id = V4L2_CID_ASPEED_HQ_MODE, + .name = "Aspeed HQ Mode", + .type = V4L2_CTRL_TYPE_BOOLEAN, + .min = false, + .max = true, + .step = 1, + .def = false, +}; + +static const struct v4l2_ctrl_config aspeed_ctrl_HQ_jpeg_quality = { + .ops = &aspeed_video_ctrl_ops, + .id = V4L2_CID_ASPEED_HQ_JPEG_QUALITY, + .name = "Aspeed HQ Quality", + .type = V4L2_CTRL_TYPE_INTEGER, + .min = 1, + .max = ASPEED_VIDEO_JPEG_NUM_QUALITIES, + .step = 1, + .def = 1, +}; + static void aspeed_video_resolution_work(struct work_struct *work) { struct delayed_work *dwork = to_delayed_work(work); @@ -1619,7 +1818,6 @@ static int aspeed_video_debugfs_show(struct seq_file *s, void *data) (v->perf.totaltime && v->sequence) ? 1000/(v->perf.totaltime/v->sequence) : 0); - return 0; } @@ -1663,6 +1861,7 @@ static int aspeed_video_setup_video(struct aspeed_video *video) struct v4l2_device *v4l2_dev = &video->v4l2_dev; struct vb2_queue *vbq = &video->queue; struct video_device *vdev = &video->vdev; + struct v4l2_ctrl_handler *hdl = &video->ctrl_handler; int rc; video->pix_fmt.pixelformat = V4L2_PIX_FMT_JPEG; @@ -1677,22 +1876,26 @@ static int aspeed_video_setup_video(struct aspeed_video *video) return rc; } - v4l2_ctrl_handler_init(&video->ctrl_handler, 2); - v4l2_ctrl_new_std(&video->ctrl_handler, &aspeed_video_ctrl_ops, - V4L2_CID_JPEG_COMPRESSION_QUALITY, 0, - ASPEED_VIDEO_JPEG_NUM_QUALITIES - 1, 1, 0); - v4l2_ctrl_new_std_menu(&video->ctrl_handler, &aspeed_video_ctrl_ops, + v4l2_ctrl_handler_init(hdl, 6); + v4l2_ctrl_new_std(hdl, &aspeed_video_ctrl_ops, + V4L2_CID_JPEG_COMPRESSION_QUALITY, 1, + ASPEED_VIDEO_JPEG_NUM_QUALITIES, 1, 1); + v4l2_ctrl_new_std_menu(hdl, &aspeed_video_ctrl_ops, V4L2_CID_JPEG_CHROMA_SUBSAMPLING, V4L2_JPEG_CHROMA_SUBSAMPLING_420, mask, V4L2_JPEG_CHROMA_SUBSAMPLING_444); + if (video->config.version == 4) + v4l2_ctrl_new_custom(hdl, &aspeed_ctrl_compression_mode, NULL); + v4l2_ctrl_new_custom(hdl, &aspeed_ctrl_HQ_mode, NULL); + v4l2_ctrl_new_custom(hdl, &aspeed_ctrl_HQ_jpeg_quality, NULL); - rc = video->ctrl_handler.error; + rc = hdl->error; if (rc) { dev_err(video->dev, "Failed to init controls: %d\n", rc); goto err_ctrl_init; } - v4l2_dev->ctrl_handler = &video->ctrl_handler; + v4l2_dev->ctrl_handler = hdl; vbq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; vbq->io_modes = VB2_MMAP | VB2_READ | VB2_DMABUF; @@ -1833,6 +2036,7 @@ static int aspeed_video_probe(struct platform_device *pdev) return -ENOMEM; video->frame_rate = 30; + video->jpeg_hq_quality = 1; video->dev = &pdev->dev; spin_lock_init(&video->lock); mutex_init(&video->video_lock); diff --git a/include/uapi/linux/aspeed-video.h b/include/uapi/linux/aspeed-video.h new file mode 100644 index 000000000000..117bfeaaa83a --- /dev/null +++ b/include/uapi/linux/aspeed-video.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Copyright (C) 2021 ASPEED Technology Inc. + */ + +#ifndef _UAPI_LINUX_ASPEED_VIDEO_H +#define _UAPI_LINUX_ASPEED_VIDEO_H + +#include + +#define V4L2_CID_ASPEED_COMPRESSION_MODE (V4L2_CID_USER_ASPEED_BASE + 1) +#define V4L2_CID_ASPEED_HQ_MODE (V4L2_CID_USER_ASPEED_BASE + 2) +#define V4L2_CID_ASPEED_HQ_JPEG_QUALITY (V4L2_CID_USER_ASPEED_BASE + 3) + +#endif /* _UAPI_LINUX_ASPEED_VIDEO_H */ From patchwork Thu Nov 18 07:40:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jammy Huang X-Patchwork-Id: 12626161 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 7CB64C433F5 for ; Thu, 18 Nov 2021 07:42:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6694C61391 for ; Thu, 18 Nov 2021 07:42:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244015AbhKRHpC (ORCPT ); Thu, 18 Nov 2021 02:45:02 -0500 Received: from twspam01.aspeedtech.com ([211.20.114.71]:10099 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243886AbhKRHof (ORCPT ); Thu, 18 Nov 2021 02:44:35 -0500 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1AI7GPnR076150; Thu, 18 Nov 2021 15:16:26 +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 15:40:12 +0800 From: Jammy Huang To: , , , , , , , , , , , , Subject: [PATCH v5 09/10] media: aspeed: add comments and macro Date: Thu, 18 Nov 2021 15:40:30 +0800 Message-ID: <20211118074030.685-10-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 1AI7GPnR076150 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add comments to describe video-stat and 'struct aspeed_video'. Add macro, ASPEED_VIDEO_V4L2_MIN_BUF_REQ, to describe the buffers needed. Signed-off-by: Jammy Huang --- v5: - no update v4: - update comments v3: - no update v2: - no update --- drivers/media/platform/aspeed-video.c | 39 ++++++++++++++++++++++++--- 1 file changed, 36 insertions(+), 3 deletions(-) diff --git a/drivers/media/platform/aspeed-video.c b/drivers/media/platform/aspeed-video.c index 419825ed7737..03bb6c46f2a1 100644 --- a/drivers/media/platform/aspeed-video.c +++ b/drivers/media/platform/aspeed-video.c @@ -33,6 +33,8 @@ #include #include +#define ASPEED_VIDEO_V4L2_MIN_BUF_REQ 3 + #define DEVICE_NAME "aspeed-video" #define ASPEED_VIDEO_JPEG_NUM_QUALITIES 12 @@ -193,6 +195,15 @@ #define VE_MEM_RESTRICT_START 0x310 #define VE_MEM_RESTRICT_END 0x314 +/* + * @VIDEO_MODE_DETECT_DONE: a flag raised if signal lock + * @VIDEO_RES_CHANGE: a flag raised if res_change work on-going + * @VIDEO_RES_DETECT: a flag raised if res. detection on-going + * @VIDEO_STREAMING: a flag raised if user requires stream-on + * @VIDEO_FRAME_INPRG: a flag raised if hw working on a frame + * @VIDEO_STOPPED: a flag raised if device release + * @VIDEO_CLOCKS_ON: a flag raised if clk is on + */ enum { VIDEO_MODE_DETECT_DONE, VIDEO_RES_CHANGE, @@ -231,6 +242,28 @@ struct aspeed_video_perf { #define to_aspeed_video_buffer(x) \ container_of((x), struct aspeed_video_buffer, vb) +/** + * struct aspeed_video - driver data + * + * @flags: holds the state of video + * @sequence: holds the last number of frame completed + * @max_compressed_size:holds max compressed stream's size + * @srcs: holds the buffer information for srcs + * @jpeg: holds the buffer information for jpeg header + * @bcd: holds the buffer information for bcd work + * @yuv420: a flag raised if JPEG subsampling is 420 + * @format: holds the video format + * @hq_mode: a flag raised if HQ is enabled. Only for VIDEO_FMT_ASPEED + * @frame_rate: holds the frame_rate + * @jpeg_quality: holds jpeq's quality (0~11) + * @jpeg_hq_quality: holds hq's quality (0~11) only if hq_mode enabled + * @compression_mode: holds jpeg compression mode + * @frame_bottom: end position of video data in vertical direction + * @frame_left: start position of video data in horizontal direction + * @frame_right: end position of video data in horizontal direction + * @frame_top: start position of video data in vertical direction + * @perf: holds the statistics primary for debugfs + */ struct aspeed_video { void __iomem *base; struct clk *eclk; @@ -1305,7 +1338,7 @@ static int aspeed_video_get_parm(struct file *file, void *fh, struct aspeed_video *video = video_drvdata(file); a->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; - a->parm.capture.readbuffers = 3; + a->parm.capture.readbuffers = ASPEED_VIDEO_V4L2_MIN_BUF_REQ; a->parm.capture.timeperframe.numerator = 1; if (!video->frame_rate) a->parm.capture.timeperframe.denominator = MAX_FRAME_RATE; @@ -1322,7 +1355,7 @@ static int aspeed_video_set_parm(struct file *file, void *fh, struct aspeed_video *video = video_drvdata(file); a->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; - a->parm.capture.readbuffers = 3; + a->parm.capture.readbuffers = ASPEED_VIDEO_V4L2_MIN_BUF_REQ; if (a->parm.capture.timeperframe.numerator) frame_rate = a->parm.capture.timeperframe.denominator / @@ -1906,7 +1939,7 @@ static int aspeed_video_setup_video(struct aspeed_video *video) vbq->drv_priv = video; vbq->buf_struct_size = sizeof(struct aspeed_video_buffer); vbq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; - vbq->min_buffers_needed = 3; + vbq->min_buffers_needed = ASPEED_VIDEO_V4L2_MIN_BUF_REQ; rc = vb2_queue_init(vbq); if (rc) {