From patchwork Fri Mar 6 10:32:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrzej Pietrasiewicz X-Patchwork-Id: 5952841 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 6852FBF440 for ; Fri, 6 Mar 2015 10:33:29 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 45A80203E5 for ; Fri, 6 Mar 2015 10:33:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0933B203FB for ; Fri, 6 Mar 2015 10:33:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932634AbbCFKdO (ORCPT ); Fri, 6 Mar 2015 05:33:14 -0500 Received: from mailout3.w1.samsung.com ([210.118.77.13]:57172 "EHLO mailout3.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933951AbbCFKc4 (ORCPT ); Fri, 6 Mar 2015 05:32:56 -0500 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout3.w1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0NKS00J9IDHK0I90@mailout3.w1.samsung.com>; Fri, 06 Mar 2015 10:36:57 +0000 (GMT) X-AuditID: cbfec7f4-b7f126d000001e9a-f4-54f981c3c813 Received: from eusync2.samsung.com ( [203.254.199.212]) by eucpsbgm1.samsung.com (EUCPMTA) with SMTP id C4.60.07834.3C189F45; Fri, 06 Mar 2015 10:30:27 +0000 (GMT) Received: from mcdsrvbld02.digital.local ([106.116.37.23]) by eusync2.samsung.com (Oracle Communications Messaging Server 7u4-23.01(7.0.4.23.0) 64bit (built Aug 10 2011)) with ESMTPA id <0NKS00G0KDAOW280@eusync2.samsung.com>; Fri, 06 Mar 2015 10:32:52 +0000 (GMT) From: Andrzej Pietrasiewicz To: linux-samsung-soc@vger.kernel.org, linux-media@vger.kernel.org Cc: Andrzej Pietrasiewicz , Kukjin Kim , Marek Szyprowski Subject: [PATCHv2 2/2] media: s5p-jpeg: add 5420 family support Date: Fri, 06 Mar 2015 11:32:40 +0100 Message-id: <1425637960-10687-3-git-send-email-andrzej.p@samsung.com> X-Mailer: git-send-email 1.7.10.4 In-reply-to: <1425637960-10687-1-git-send-email-andrzej.p@samsung.com> References: <1425637960-10687-1-git-send-email-andrzej.p@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrPJMWRmVeSWpSXmKPExsVy+t/xK7qHG3+GGMy7Y2ox62U7i0X/49fM Fj0btrJazDi/j8li7ZG77A6sHptWdbJ59G1ZxejxeZNcAHMUl01Kak5mWWqRvl0CV8aF81fY Ct7YV/zc38rawDjbpIuRk0NCwERi6asrrBC2mMSFe+vZQGwhgaWMEj8X2nQxcgHZ/UwSbW8W sYAk2ASMJfYe7GAEsUUEnCQW7/8H1swsUC/R0NrI3sXIziEsYC+xwR0kyiKgKjGxt40JxOYV cJV4dLmZEWKVokT3swlgqzgF3CQuPDvFBLHWVWJp80e2CYy8CxgZVjGKppYmFxQnpeca6hUn 5haX5qXrJefnbmKEBMqXHYyLj1kdYhTgYFTi4e1I/RkixJpYVlyZe4hRgoNZSYT3WwFQiDcl sbIqtSg/vqg0J7X4ECMTB6dUAyPbmV3vpJf/T9sU8o1JXnmDSF/jSt7mQtVXSRJN8prHdS4d /RKlVm8889FMkRl3Paoz/Vdeknr2j4PvwNTnPNfOfGPf8kTbPvdj07J8Nt7KN+YN0cXhdwNf HTdU0/nHNktjUs91j5WVaX8ZNz5WvKRh3Ht6qYfHJ4/cB/LuczcylTNf4j0z7awSS3FGoqEW c1FxIgAQMl9+8gEAAA== 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=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, 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 JPEG IP found in Exynos5420 is similar to what is in Exynos3250, but there are some subtle differences which this patch takes into account. Signed-off-by: Andrzej Pietrasiewicz Acked-by: Jacek Anaszewski --- .../bindings/media/exynos-jpeg-codec.txt | 2 +- drivers/media/platform/s5p-jpeg/jpeg-core.c | 59 +++++++++++++++------- drivers/media/platform/s5p-jpeg/jpeg-core.h | 12 +++-- 3 files changed, 51 insertions(+), 22 deletions(-) diff --git a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt index bf52ed4..4ef4563 100644 --- a/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt +++ b/Documentation/devicetree/bindings/media/exynos-jpeg-codec.txt @@ -4,7 +4,7 @@ Required properties: - compatible : should be one of: "samsung,s5pv210-jpeg", "samsung,exynos4210-jpeg", - "samsung,exynos3250-jpeg"; + "samsung,exynos3250-jpeg", "samsung,exynos5420-jpeg"; - reg : address and length of the JPEG codec IP register set; - interrupts : specifies the JPEG codec IP interrupt; - clock-names : should contain: diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 12f7452..8b0ca2e 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -621,6 +621,7 @@ static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; return ctx->subsampling; case SJPEG_EXYNOS3250: + case SJPEG_EXYNOS5420: if (ctx->subsampling > 3) return V4L2_JPEG_CHROMA_SUBSAMPLING_411; return exynos3250_decoded_subsampling[ctx->subsampling]; @@ -1142,13 +1143,13 @@ static void jpeg_bound_align_image(struct s5p_jpeg_ctx *ctx, w_step = 1 << walign; h_step = 1 << halign; - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) { + if (ctx->jpeg->variant->hw3250_compat) { /* * Rightmost and bottommost pixels are cropped by the - * Exynos3250 JPEG IP for RGB formats, for the specific - * width and height values respectively. This assignment - * will result in v4l_bound_align_image returning dimensions - * reduced by 1 for the aforementioned cases. + * Exynos3250/compatible JPEG IP for RGB formats, for the + * specific width and height values respectively. This + * assignment will result in v4l_bound_align_image returning + * dimensions reduced by 1 for the aforementioned cases. */ if (w_step == 4 && ((width & 3) == 1)) { wmax = width; @@ -1384,12 +1385,12 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) /* * Prevent downscaling to YUV420 format by more than 2 - * for Exynos3250 SoC as it produces broken raw image + * for Exynos3250/compatible SoC as it produces broken raw image * in such cases. */ if (ct->mode == S5P_JPEG_DECODE && f_type == FMT_TYPE_CAPTURE && - ct->jpeg->variant->version == SJPEG_EXYNOS3250 && + ct->jpeg->variant->hw3250_compat && pix->pixelformat == V4L2_PIX_FMT_YUV420 && ct->scale_factor > 2) { scale_rect.width = ct->out_q.w / 2; @@ -1569,12 +1570,12 @@ static int s5p_jpeg_s_selection(struct file *file, void *fh, if (s->target == V4L2_SEL_TGT_COMPOSE) { if (ctx->mode != S5P_JPEG_DECODE) return -EINVAL; - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) + if (ctx->jpeg->variant->hw3250_compat) ret = exynos3250_jpeg_try_downscale(ctx, rect); } else if (s->target == V4L2_SEL_TGT_CROP) { if (ctx->mode != S5P_JPEG_ENCODE) return -EINVAL; - if (ctx->jpeg->variant->version == SJPEG_EXYNOS3250) + if (ctx->jpeg->variant->hw3250_compat) ret = exynos3250_jpeg_try_crop(ctx, rect); } @@ -1604,8 +1605,9 @@ static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) case SJPEG_S5P: return 0; case SJPEG_EXYNOS3250: + case SJPEG_EXYNOS5420: /* - * The exynos3250 device can produce JPEG image only + * The exynos3250/compatible device can produce JPEG image only * of 4:4:4 subsampling when given RGB32 source image. */ if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB32) @@ -1624,7 +1626,7 @@ static int s5p_jpeg_adjust_subs_ctrl(struct s5p_jpeg_ctx *ctx, int *ctrl_val) } /* - * The exynos4x12 and exynos3250 devices require resulting + * The exynos4x12 and exynos3250/compatible devices require resulting * jpeg subsampling not to be lower than the input raw image * subsampling. */ @@ -2017,6 +2019,16 @@ static void exynos3250_jpeg_device_run(void *priv) exynos3250_jpeg_qtbl(jpeg->regs, 2, 1); exynos3250_jpeg_qtbl(jpeg->regs, 3, 1); + /* + * Some SoCs require setting Huffman tables before each run + */ + if (jpeg->variant->htbl_reinit) { + s5p_jpeg_set_hdctbl(jpeg->regs); + s5p_jpeg_set_hdctblg(jpeg->regs); + s5p_jpeg_set_hactbl(jpeg->regs); + s5p_jpeg_set_hactblg(jpeg->regs); + } + /* Y, Cb, Cr use Huffman table 0 */ exynos3250_jpeg_htbl_ac(jpeg->regs, 1); exynos3250_jpeg_htbl_dc(jpeg->regs, 1); @@ -2660,13 +2672,12 @@ static int s5p_jpeg_runtime_resume(struct device *dev) /* * JPEG IP allows storing two Huffman tables for each component. * We fill table 0 for each component and do this here only - * for S5PC210 and Exynos3250 SoCs. Exynos4x12 SoC requires - * programming its Huffman tables each time the encoding process - * is initialized, and thus it is accomplished in the device_run - * callback of m2m_ops. + * for S5PC210 and Exynos3250 SoCs. Exynos4x12 and Exynos542x SoC + * require programming their Huffman tables each time the encoding + * process is initialized, and thus it is accomplished in the + * device_run callback of m2m_ops. */ - if (jpeg->variant->version == SJPEG_S5P || - jpeg->variant->version == SJPEG_EXYNOS3250) { + if (!jpeg->variant->htbl_reinit) { s5p_jpeg_set_hdctbl(jpeg->regs); s5p_jpeg_set_hdctblg(jpeg->regs); s5p_jpeg_set_hactbl(jpeg->regs); @@ -2714,6 +2725,7 @@ static struct s5p_jpeg_variant exynos3250_jpeg_drvdata = { .jpeg_irq = exynos3250_jpeg_irq, .m2m_ops = &exynos3250_jpeg_m2m_ops, .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, + .hw3250_compat = 1, }; static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { @@ -2721,6 +2733,16 @@ static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { .jpeg_irq = exynos4_jpeg_irq, .m2m_ops = &exynos4_jpeg_m2m_ops, .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS4, + .htbl_reinit = 1, +}; + +static struct s5p_jpeg_variant exynos5420_jpeg_drvdata = { + .version = SJPEG_EXYNOS5420, + .jpeg_irq = exynos3250_jpeg_irq, /* intentionally 3250 */ + .m2m_ops = &exynos3250_jpeg_m2m_ops, /* intentionally 3250 */ + .fmt_ver_flag = SJPEG_FMT_FLAG_EXYNOS3250, /* intentionally 3250 */ + .hw3250_compat = 1, + .htbl_reinit = 1, }; static const struct of_device_id samsung_jpeg_match[] = { @@ -2736,6 +2758,9 @@ static const struct of_device_id samsung_jpeg_match[] = { }, { .compatible = "samsung,exynos4212-jpeg", .data = &exynos4_jpeg_drvdata, + }, { + .compatible = "samsung,exynos5420-jpeg", + .data = &exynos5420_jpeg_drvdata, }, {}, }; diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h index 764b32d..7d9a9ed 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.h +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h @@ -67,10 +67,12 @@ #define SJPEG_SUBSAMPLING_420 0x22 /* Version numbers */ - -#define SJPEG_S5P 1 -#define SJPEG_EXYNOS3250 2 -#define SJPEG_EXYNOS4 3 +enum sjpeg_version { + SJPEG_S5P, + SJPEG_EXYNOS3250, + SJPEG_EXYNOS4, + SJPEG_EXYNOS5420, +}; enum exynos4_jpeg_result { OK_ENC_OR_DEC, @@ -130,6 +132,8 @@ struct s5p_jpeg { struct s5p_jpeg_variant { unsigned int version; unsigned int fmt_ver_flag; + unsigned int hw3250_compat:1; + unsigned int htbl_reinit:1; struct v4l2_m2m_ops *m2m_ops; irqreturn_t (*jpeg_irq)(int irq, void *priv); };