From patchwork Tue Oct 21 11:06:55 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Kumar K X-Patchwork-Id: 5114041 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id C003D9F374 for ; Tue, 21 Oct 2014 11:07:32 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BD26320138 for ; Tue, 21 Oct 2014 11:07:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1AF042012F for ; Tue, 21 Oct 2014 11:07:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755167AbaJULH0 (ORCPT ); Tue, 21 Oct 2014 07:07:26 -0400 Received: from mail-pd0-f171.google.com ([209.85.192.171]:64293 "EHLO mail-pd0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755052AbaJULHZ (ORCPT ); Tue, 21 Oct 2014 07:07:25 -0400 Received: by mail-pd0-f171.google.com with SMTP id ft15so1137378pdb.16 for ; Tue, 21 Oct 2014 04:07:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=ccFaL02KOjWdkQVPCLzM276E6um1iTvkFJ9z17gCpX0=; b=BvblYijUO8l4poxkb4Y4ytf5N4CVPnqNCO2dym8yiZKUg+d9/ALBIU2bTSRrVI9Ukv u60Kzm7+C/48EUITW8zxuENah9+X0u5JwfpkKvxUsQ6H3MHyLrt6sFzykMZtko3jglSw azuGiq6KDLio0/jb2P+b7LtaJfPndAmCJWF6Tj75XgJR50Gt4v/qW3VB7h7OEgC5HuZr 13XOfSq1hhdvsgugzBidjXALQyzzMsr+4fqkq+LN5KPQNjTWb86Xt7AomjcoV4jk7Lob 9iAYUC6gQW1WvWyQjv7sBa3o39YkZBHQY4fIISaSwCRITywsCYaHgYpsWdRoWnBP/CzL T8Cg== X-Received: by 10.68.57.135 with SMTP id i7mr16320213pbq.115.1413889645002; Tue, 21 Oct 2014 04:07:25 -0700 (PDT) Received: from localhost.localdomain ([14.140.216.146]) by mx.google.com with ESMTPSA id s9sm11680849pdp.1.2014.10.21.04.07.20 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 21 Oct 2014 04:07:24 -0700 (PDT) From: Arun Kumar K To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org Cc: k.debski@samsung.com, wuchengli@chromium.org, posciak@chromium.org, arun.m@samsung.com, ihf@chromium.org, prathyush.k@samsung.com, kiran@chromium.org, arunkk.samsung@gmail.com Subject: [PATCH v3 01/13] [media] s5p-mfc: support MIN_BUFFERS query for encoder Date: Tue, 21 Oct 2014 16:36:55 +0530 Message-Id: <1413889627-8431-2-git-send-email-arun.kk@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1413889627-8431-1-git-send-email-arun.kk@samsung.com> References: <1413889627-8431-1-git-send-email-arun.kk@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Kiran AVND Add V4L2_CID_MIN_BUFFERS_FOR_OUTPUT query for encoder. Once mfc encoder state is HEAD_PARSED, which is sequence header produced, dpb_count is avaialable. Let user space query this value. Signed-off-by: Kiran AVND Signed-off-by: Arun Kumar K --- drivers/media/platform/s5p-mfc/s5p_mfc_enc.c | 42 ++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c index a904a1c..4816f31 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc_enc.c @@ -690,6 +690,16 @@ static struct mfc_control controls[] = { .step = 1, .default_value = 0, }, + { + .id = V4L2_CID_MIN_BUFFERS_FOR_OUTPUT, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Minimum number of output bufs", + .minimum = 1, + .maximum = 32, + .step = 1, + .default_value = 1, + .is_volatile = 1, + }, }; #define NUM_CTRLS ARRAY_SIZE(controls) @@ -1624,8 +1634,40 @@ static int s5p_mfc_enc_s_ctrl(struct v4l2_ctrl *ctrl) return ret; } +static int s5p_mfc_enc_g_v_ctrl(struct v4l2_ctrl *ctrl) +{ + struct s5p_mfc_ctx *ctx = ctrl_to_ctx(ctrl); + struct s5p_mfc_dev *dev = ctx->dev; + + switch (ctrl->id) { + case V4L2_CID_MIN_BUFFERS_FOR_OUTPUT: + if (ctx->state >= MFCINST_HEAD_PARSED && + ctx->state < MFCINST_ABORT) { + ctrl->val = ctx->pb_count; + break; + } else if (ctx->state != MFCINST_INIT) { + v4l2_err(&dev->v4l2_dev, "Encoding not initialised\n"); + return -EINVAL; + } + /* Should wait for the header to be produced */ + s5p_mfc_clean_ctx_int_flags(ctx); + s5p_mfc_wait_for_done_ctx(ctx, + S5P_MFC_R2H_CMD_SEQ_DONE_RET, 0); + if (ctx->state >= MFCINST_HEAD_PARSED && + ctx->state < MFCINST_ABORT) { + ctrl->val = ctx->pb_count; + } else { + v4l2_err(&dev->v4l2_dev, "Encoding not initialised\n"); + return -EINVAL; + } + break; + } + return 0; +} + static const struct v4l2_ctrl_ops s5p_mfc_enc_ctrl_ops = { .s_ctrl = s5p_mfc_enc_s_ctrl, + .g_volatile_ctrl = s5p_mfc_enc_g_v_ctrl, }; static int vidioc_s_parm(struct file *file, void *priv,