From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACD60C433E0 for ; Sun, 21 Feb 2021 17:15:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 64FE264EB3 for ; Sun, 21 Feb 2021 17:15:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230164AbhBURP0 (ORCPT ); Sun, 21 Feb 2021 12:15:26 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41208 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229999AbhBURPQ (ORCPT ); Sun, 21 Feb 2021 12:15:16 -0500 Received: from mail-lj1-x22f.google.com (mail-lj1-x22f.google.com [IPv6:2a00:1450:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 262FCC061786 for ; Sun, 21 Feb 2021 09:14:35 -0800 (PST) Received: by mail-lj1-x22f.google.com with SMTP id c17so51489860ljn.0 for ; Sun, 21 Feb 2021 09:14:35 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=mJbNzQ1++ygcqTBiBISf70R0q2Zt/pkDdRuihAuauFs=; b=Io7SeJFfw83eTiYYMeQUivJ14bAPK3sBDbay5o0ysc8aOUFx6xgxaIDS5aSmvqllfa dRLImERzrcz+XAES1Qbx3G/L2FGPQymzDOerAec5BdLoX6NQ1TdXXFN9VluE6ZRo1ZJz G0RiAUOXlwOdP9RTgOcRueoCp4gZrXD7/jrgYXH2j9QjhpHxQHSwGUIJ0/yDc5LlWHm3 Zi1GWRb9H1eBh+zasoRaeDBvVxxwy/U4CN4gBtQN7XItqp8zIehBh+WfS8k8MZPZfGAi pDtFBoIAhQ1JEi6DK2CCr7U434nl7+UO8++j2u6YflHzFM1y1qxsnp2kRvRQhsS+lF9m SjCg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=mJbNzQ1++ygcqTBiBISf70R0q2Zt/pkDdRuihAuauFs=; b=QRCc6jgXOJJQutzH18I0EcmIT0NtxS6KVe9enc3APtly4M3qciMDxJjM9tIsmS2pqg 2Y3vq3UHA66NCvef8gPV/Tcxua4QjS1q4/QCMDDpvae8cam9Na8qz0/WYRoJQHL3UF+h GQhc4pkfZZes5WBtH1vuNm3rDRX+StFPCn7Z8+YHE5cDtT4Hksf/gRMT3aSy9f3TJM/v FVFoQNtFvubtWDJgUsznzdljjRIEOQy2lZZa6JBn7A1BtIwfCp74jDPduAqIJBBR/itX G62h0vfoCDOW10+jgmFBPtqseSv4v8FbnMovCGEJVjclBvfb31BBhyLaRDSWFLt1t+3V 80RQ== X-Gm-Message-State: AOAM532ck10MuZftM+cTnofiDm2Zt1Y47MXUM6Yu6I1bSL5bWa2H594K KxUTxhS9Dw5A/no6qwx3ds5oEQ== X-Google-Smtp-Source: ABdhPJwWn4Q5cOpUV5As4uGMoPTjhpoKFu0swg40ixTa08peSmT1+sDpwY1JZTD5Bnk9y6EzE5ur7A== X-Received: by 2002:a2e:7202:: with SMTP id n2mr2033036ljc.17.1613927673392; Sun, 21 Feb 2021 09:14:33 -0800 (PST) Received: from [192.168.118.216] ([85.249.43.69]) by smtp.gmail.com with ESMTPSA id y9sm1772691ljm.88.2021.02.21.09.14.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 21 Feb 2021 09:14:32 -0800 (PST) Subject: Re: [PATCH v5 10/22] media: camss: Add support for CSID hardware version Titan 170 To: Robert Foss , agross@kernel.org, bjorn.andersson@linaro.org, todor.too@gmail.com, mchehab@kernel.org, robh+dt@kernel.org, angelogioacchino.delregno@somainline.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno , Sakari Ailus , Nicolas Boichat Cc: Rob Herring , Tomasz Figa , Azam Sadiq Pasha Kapatrala Syed , Sarvesh Sridutt , Laurent Pinchart , Jonathan Marek References: <20210217112122.424236-1-robert.foss@linaro.org> <20210217112122.424236-11-robert.foss@linaro.org> From: Andrey Konovalov Message-ID: Date: Sun, 21 Feb 2021 20:14:30 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210217112122.424236-11-robert.foss@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Robert, Thank you for your patch! On 17.02.2021 14:21, Robert Foss wrote: > Add register definitions for version 170 of the Titan architecture > and implement support for the CSID subdevice. > > Signed-off-by: Robert Foss > --- > drivers/media/platform/qcom/camss/Makefile | 1 + > .../platform/qcom/camss/camss-csid-170.c | 602 ++++++++++++++++++ > .../media/platform/qcom/camss/camss-csid.c | 4 + > .../media/platform/qcom/camss/camss-csid.h | 2 + > .../media/platform/qcom/camss/camss-vfe-170.c | 1 - > drivers/media/platform/qcom/camss/camss.c | 62 ++ > 6 files changed, 671 insertions(+), 1 deletion(-) > create mode 100644 drivers/media/platform/qcom/camss/camss-csid-170.c > > diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile > index cff388b653ba..0752c46ea37b 100644 > --- a/drivers/media/platform/qcom/camss/Makefile > +++ b/drivers/media/platform/qcom/camss/Makefile > @@ -6,6 +6,7 @@ qcom-camss-objs += \ > camss-csid.o \ > camss-csid-4-1.o \ > camss-csid-4-7.o \ > + camss-csid-170.o \ > camss-csiphy-2ph-1-0.o \ > camss-csiphy-3ph-1-0.o \ > camss-csiphy.o \ > diff --git a/drivers/media/platform/qcom/camss/camss-csid-170.c b/drivers/media/platform/qcom/camss/camss-csid-170.c > new file mode 100644 > index 000000000000..0e9b08ed38c2 > --- /dev/null > +++ b/drivers/media/platform/qcom/camss/camss-csid-170.c > @@ -0,0 +1,602 @@ > +// SPDX-License-Identifier: GPL-2.0 > +/* > + * camss-csid-4-7.c > + * > + * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module > + * > + * Copyright (C) 2020 Linaro Ltd. > + */ > +#include > +#include > +#include > +#include > +#include > + > +#include "camss-csid.h" > +#include "camss.h" > + > +/* The CSID 2 IP-block is different from the others, > + * and is of a bare-bones Lite version, with no PIX > + * interface support. As a result of that it has an > + * alternate register layout. > + */ > +#define IS_LITE (csid->id == 2 ? 1 : 0) > + > +#define CSID_HW_VERSION 0x0 > +#define HW_VERSION_STEPPING 0 > +#define HW_VERSION_REVISION 16 > +#define HW_VERSION_GENERATION 28 > + > +#define CSID_RST_STROBES 0x10 > +#define RST_STROBES 0 > + > +#define CSID_CSI2_RX_IRQ_STATUS 0x20 > +#define CSID_CSI2_RX_IRQ_MASK 0x24 > +#define CSID_CSI2_RX_IRQ_CLEAR 0x28 > + > +#define CSID_CSI2_RDIN_IRQ_STATUS(rdi) ((IS_LITE ? 0x30 : 0x40) \ > + + 0x10 * (rdi)) > +#define CSID_CSI2_RDIN_IRQ_MASK(rdi) ((IS_LITE ? 0x34 : 0x44) \ > + + 0x10 * (rdi)) > +#define CSID_CSI2_RDIN_IRQ_CLEAR(rdi) ((IS_LITE ? 0x38 : 0x48) \ > + + 0x10 * (rdi)) > +#define CSID_CSI2_RDIN_IRQ_SET(rdi) ((IS_LITE ? 0x3C : 0x4C) \ > + + 0x10 * (rdi)) > + > +#define CSID_TOP_IRQ_STATUS 0x70 > +#define TOP_IRQ_STATUS_RESET_DONE 0 > +#define CSID_TOP_IRQ_MASK 0x74 > +#define CSID_TOP_IRQ_CLEAR 0x78 > +#define CSID_TOP_IRQ_SET 0x7C > +#define CSID_IRQ_CMD 0x80 > +#define IRQ_CMD_CLEAR 0 > +#define IRQ_CMD_SET 4 > + > +#define CSID_CSI2_RX_CFG0 0x100 > +#define CSI2_RX_CFG0_NUM_ACTIVE_LANES 0 > +#define CSI2_RX_CFG0_DL0_INPUT_SEL 4 > +#define CSI2_RX_CFG0_DL1_INPUT_SEL 8 > +#define CSI2_RX_CFG0_DL2_INPUT_SEL 12 > +#define CSI2_RX_CFG0_DL3_INPUT_SEL 16 > +#define CSI2_RX_CFG0_PHY_NUM_SEL 20 > +#define CSI2_RX_CFG0_PHY_TYPE_SEL 24 > + > +#define CSID_CSI2_RX_CFG1 0x104 > +#define CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN 0 > +#define CSI2_RX_CFG1_DE_SCRAMBLE_EN 1 > +#define CSI2_RX_CFG1_VC_MODE 2 > +#define CSI2_RX_CFG1_COMPLETE_STREAM_EN 4 > +#define CSI2_RX_CFG1_COMPLETE_STREAM_FRAME_TIMING 5 > +#define CSI2_RX_CFG1_MISR_EN 6 > +#define CSI2_RX_CFG1_CGC_MODE 7 > +#define CGC_MODE_DYNAMIC_GATING 0 > +#define CGC_MODE_ALWAYS_ON 1 > + > +#define CSID_RDI_CFG0(rdi) ((IS_LITE ? 0x200 : 0x300) \ > + + 0x100 * (rdi)) > +#define RDI_CFG0_BYTE_CNTR_EN 0 > +#define RDI_CFG0_FORMAT_MEASURE_EN 1 > +#define RDI_CFG0_TIMESTAMP_EN 2 > +#define RDI_CFG0_DROP_H_EN 3 > +#define RDI_CFG0_DROP_V_EN 4 > +#define RDI_CFG0_CROP_H_EN 5 > +#define RDI_CFG0_CROP_V_EN 6 > +#define RDI_CFG0_MISR_EN 7 > +#define RDI_CFG0_CGC_MODE 8 > +#define CGC_MODE_DYNAMIC 0 > +#define CGC_MODE_ALWAYS_ON 1 > +#define RDI_CFG0_PLAIN_ALIGNMENT 9 > +#define PLAIN_ALIGNMENT_LSB 0 > +#define PLAIN_ALIGNMENT_MSB 1 > +#define RDI_CFG0_PLAIN_FORMAT 10 > +#define RDI_CFG0_DECODE_FORMAT 12 > +#define RDI_CFG0_DATA_TYPE 16 > +#define RDI_CFG0_VIRTUAL_CHANNEL 22 > +#define RDI_CFG0_DT_ID 27 > +#define RDI_CFG0_EARLY_EOF_EN 29 > +#define RDI_CFG0_PACKING_FORMAT 30 > +#define RDI_CFG0_ENABLE 31 > + > +#define CSID_RDI_CFG1(rdi) ((IS_LITE ? 0x204 : 0x304)\ > + + 0x100 * (rdi)) > +#define RDI_CFG1_TIMESTAMP_STB_SEL 0 > + > +#define CSID_RDI_CTRL(rdi) ((IS_LITE ? 0x208 : 0x308)\ > + + 0x100 * (rdi)) > +#define RDI_CTRL_HALT_CMD 0 > +#define ALT_CMD_RESUME_AT_FRAME_BOUNDARY 1 > +#define RDI_CTRL_HALT_MODE 2 > + > +#define CSID_RDI_FRM_DROP_PATTERN(rdi) ((IS_LITE ? 0x20C : 0x30C)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_FRM_DROP_PERIOD(rdi) ((IS_LITE ? 0x210 : 0x310)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_IRQ_SUBSAMPLE_PATTERN(rdi) ((IS_LITE ? 0x214 : 0x314)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_IRQ_SUBSAMPLE_PERIOD(rdi) ((IS_LITE ? 0x218 : 0x318)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_RPP_PIX_DROP_PATTERN(rdi) ((IS_LITE ? 0x224 : 0x324)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_RPP_PIX_DROP_PERIOD(rdi) ((IS_LITE ? 0x228 : 0x328)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_RPP_LINE_DROP_PATTERN(rdi) ((IS_LITE ? 0x22C : 0x32C)\ > + + 0x100 * (rdi)) > +#define CSID_RDI_RPP_LINE_DROP_PERIOD(rdi) ((IS_LITE ? 0x230 : 0x330)\ > + + 0x100 * (rdi)) > + > +#define CSID_TPG_CTRL 0x600 > +#define TPG_CTRL_TEST_EN 0 > +#define TPG_CTRL_FS_PKT_EN 1 > +#define TPG_CTRL_FE_PKT_EN 2 > +#define TPG_CTRL_NUM_ACTIVE_LANES 4 > +#define TPG_CTRL_CYCLES_BETWEEN_PKTS 8 > +#define TPG_CTRL_NUM_TRAIL_BYTES 20 > + > +#define CSID_TPG_VC_CFG0 0x604 > +#define TPG_VC_CFG0_VC_NUM 0 > +#define TPG_VC_CFG0_NUM_ACTIVE_SLOTS 8 > +#define NUM_ACTIVE_SLOTS_0_ENABLED 0 > +#define NUM_ACTIVE_SLOTS_0_1_ENABLED 1 > +#define NUM_ACTIVE_SLOTS_0_1_2_ENABLED 2 > +#define NUM_ACTIVE_SLOTS_0_1_3_ENABLED 3 > +#define TPG_VC_CFG0_LINE_INTERLEAVING_MODE 10 > +#define INTELEAVING_MODE_INTERLEAVED 0 > +#define INTELEAVING_MODE_ONE_SHOT 1 > +#define TPG_VC_CFG0_NUM_FRAMES 16 > + > +#define CSID_TPG_VC_CFG1 0x608 > +#define TPG_VC_CFG1_H_BLANKING_COUNT 0 > +#define TPG_VC_CFG1_V_BLANKING_COUNT 12 > +#define TPG_VC_CFG1_V_BLANK_FRAME_WIDTH_SEL 24 > + > +#define CSID_TPG_LFSR_SEED 0x60C > + > +#define CSID_TPG_DT_n_CFG_0(n) (0x610 + (n) * 0xC) > +#define TPG_DT_n_CFG_0_FRAME_HEIGHT 0 > +#define TPG_DT_n_CFG_0_FRAME_WIDTH 16 > + > +#define CSID_TPG_DT_n_CFG_1(n) (0x614 + (n) * 0xC) > +#define TPG_DT_n_CFG_1_DATA_TYPE 0 > +#define TPG_DT_n_CFG_1_ECC_XOR_MASK 8 > +#define TPG_DT_n_CFG_1_CRC_XOR_MASK 16 > + > +#define CSID_TPG_DT_n_CFG_2(n) (0x618 + (n) * 0xC) > +#define TPG_DT_n_CFG_2_PAYLOAD_MODE 0 > +#define TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD 4 > +#define TPG_DT_n_CFG_2_ENCODE_FORMAT 16 > + > +#define CSID_TPG_COLOR_BARS_CFG 0x640 > +#define TPG_COLOR_BARS_CFG_UNICOLOR_BAR_EN 0 > +#define TPG_COLOR_BARS_CFG_UNICOLOR_BAR_SEL 4 > +#define TPG_COLOR_BARS_CFG_SPLIT_EN 5 > +#define TPG_COLOR_BARS_CFG_ROTATE_PERIOD 8 > + > +#define CSID_TPG_COLOR_BOX_CFG 0x644 > +#define TPG_COLOR_BOX_CFG_MODE 0 > +#define TPG_COLOR_BOX_PATTERN_SEL 2 > + > + > +static const struct csid_format csid_formats[] = { > + { > + MEDIA_BUS_FMT_UYVY8_2X8, > + DATA_TYPE_YUV422_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 2, > + }, > + { > + MEDIA_BUS_FMT_VYUY8_2X8, > + DATA_TYPE_YUV422_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 2, > + }, > + { > + MEDIA_BUS_FMT_YUYV8_2X8, > + DATA_TYPE_YUV422_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 2, > + }, > + { > + MEDIA_BUS_FMT_YVYU8_2X8, > + DATA_TYPE_YUV422_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 2, > + }, > + { > + MEDIA_BUS_FMT_SBGGR8_1X8, > + DATA_TYPE_RAW_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGBRG8_1X8, > + DATA_TYPE_RAW_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGRBG8_1X8, > + DATA_TYPE_RAW_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SRGGB8_1X8, > + DATA_TYPE_RAW_8BIT, > + DECODE_FORMAT_UNCOMPRESSED_8_BIT, > + 8, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SBGGR10_1X10, > + DATA_TYPE_RAW_10BIT, > + DECODE_FORMAT_UNCOMPRESSED_10_BIT, > + 10, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGBRG10_1X10, > + DATA_TYPE_RAW_10BIT, > + DECODE_FORMAT_UNCOMPRESSED_10_BIT, > + 10, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGRBG10_1X10, > + DATA_TYPE_RAW_10BIT, > + DECODE_FORMAT_UNCOMPRESSED_10_BIT, > + 10, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SRGGB10_1X10, > + DATA_TYPE_RAW_10BIT, > + DECODE_FORMAT_UNCOMPRESSED_10_BIT, > + 10, > + 1, > + }, > + { > + MEDIA_BUS_FMT_Y10_1X10, > + DATA_TYPE_RAW_10BIT, > + DECODE_FORMAT_UNCOMPRESSED_10_BIT, > + 10, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SBGGR12_1X12, > + DATA_TYPE_RAW_12BIT, > + DECODE_FORMAT_UNCOMPRESSED_12_BIT, > + 12, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGBRG12_1X12, > + DATA_TYPE_RAW_12BIT, > + DECODE_FORMAT_UNCOMPRESSED_12_BIT, > + 12, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGRBG12_1X12, > + DATA_TYPE_RAW_12BIT, > + DECODE_FORMAT_UNCOMPRESSED_12_BIT, > + 12, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SRGGB12_1X12, > + DATA_TYPE_RAW_12BIT, > + DECODE_FORMAT_UNCOMPRESSED_12_BIT, > + 12, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SBGGR14_1X14, > + DATA_TYPE_RAW_14BIT, > + DECODE_FORMAT_UNCOMPRESSED_14_BIT, > + 14, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGBRG14_1X14, > + DATA_TYPE_RAW_14BIT, > + DECODE_FORMAT_UNCOMPRESSED_14_BIT, > + 14, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SGRBG14_1X14, > + DATA_TYPE_RAW_14BIT, > + DECODE_FORMAT_UNCOMPRESSED_14_BIT, > + 14, > + 1, > + }, > + { > + MEDIA_BUS_FMT_SRGGB14_1X14, > + DATA_TYPE_RAW_14BIT, > + DECODE_FORMAT_UNCOMPRESSED_14_BIT, > + 14, > + 1, > + }, > +}; > + > +static void csid_configure_stream(struct csid_device *csid, u8 enable) > +{ > + struct csid_testgen_config *tg = &csid->testgen; > + u32 val; > + u32 phy_sel = 0; > + u8 lane_cnt = csid->phy.lane_cnt; > + struct v4l2_mbus_framefmt *input_format = > + &csid->fmt[MSM_CSID_PAD_SRC]; > + const struct csid_format *format = csid_get_fmt_entry( > + csid->formats, csid->nformats, input_format->code); > + if (!lane_cnt) > + lane_cnt = 4; > + > + if (!tg->enabled) > + phy_sel = csid->phy.csiphy_id; > + > + if (enable) { > + u8 vc = 0; /* Virtual Channel 0 */ > + u8 dt_id = vc * 4; > + > + if (tg->enabled) { > + /* Config Test Generator */ > + vc = 0xa; > + > + /* configure one DT, infinite frames */ > + val = vc << TPG_VC_CFG0_VC_NUM; > + val |= INTELEAVING_MODE_ONE_SHOT << TPG_VC_CFG0_LINE_INTERLEAVING_MODE; > + val |= 0 << TPG_VC_CFG0_NUM_FRAMES; > + writel_relaxed(val, csid->base + CSID_TPG_VC_CFG0); > + > + val = 0x740 << TPG_VC_CFG1_H_BLANKING_COUNT; > + val |= 0x3ff << TPG_VC_CFG1_V_BLANKING_COUNT; > + writel_relaxed(val, csid->base + CSID_TPG_VC_CFG1); > + > + writel_relaxed(0x12345678, csid->base + CSID_TPG_LFSR_SEED); > + > + val = input_format->height & 0x1fff << TPG_DT_n_CFG_0_FRAME_HEIGHT; > + val |= input_format->width & 0x1fff << TPG_DT_n_CFG_0_FRAME_WIDTH; > + writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_0(0)); > + > + val = DATA_TYPE_RAW_10BIT << TPG_DT_n_CFG_1_DATA_TYPE; > + writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_1(0)); > + > + val = tg->mode << TPG_DT_n_CFG_2_PAYLOAD_MODE; > + val |= 0xBE << TPG_DT_n_CFG_2_USER_SPECIFIED_PAYLOAD; > + val |= format->decode_format << TPG_DT_n_CFG_2_ENCODE_FORMAT; > + writel_relaxed(val, csid->base + CSID_TPG_DT_n_CFG_2(0)); > + > + writel_relaxed(0, csid->base + CSID_TPG_COLOR_BARS_CFG); > + > + writel_relaxed(0, csid->base + CSID_TPG_COLOR_BOX_CFG); > + } > + > + val = 1 << RDI_CFG0_BYTE_CNTR_EN; > + val |= 1 << RDI_CFG0_FORMAT_MEASURE_EN; > + val |= 1 << RDI_CFG0_TIMESTAMP_EN; > + val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT; > + val |= DATA_TYPE_RAW_10BIT << RDI_CFG0_DATA_TYPE; > + val |= vc << RDI_CFG0_VIRTUAL_CHANNEL; > + val |= dt_id << RDI_CFG0_DT_ID; > + writel_relaxed(val, csid->base + CSID_RDI_CFG0(0)); > + > + /* CSID_TIMESTAMP_STB_POST_IRQ */ > + val = 2 << RDI_CFG1_TIMESTAMP_STB_SEL; > + writel_relaxed(val, csid->base + CSID_RDI_CFG1(0)); > + > + val = 1; > + writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(0)); > + > + val = 0; > + writel_relaxed(0, csid->base + CSID_RDI_FRM_DROP_PATTERN(0)); > + > + val = 1; > + writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(0)); > + > + val = 0; > + writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(0)); > + > + val = 1; > + writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(0)); > + > + val = 0; > + writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(0)); > + > + val = 1; > + writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(0)); > + > + val = 0; > + writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(0)); > + > + val = 0; > + writel_relaxed(val, csid->base + CSID_RDI_CTRL(0)); > + > + val = readl_relaxed(csid->base + CSID_RDI_CFG0(0)); > + val |= 1 << RDI_CFG0_ENABLE; > + writel_relaxed(val, csid->base + CSID_RDI_CFG0(0)); > + } > + > + if (tg->enabled) { > + val = enable << TPG_CTRL_TEST_EN; > + val |= 1 << TPG_CTRL_FS_PKT_EN; > + val |= 1 << TPG_CTRL_FE_PKT_EN; > + val |= (lane_cnt - 1) << TPG_CTRL_NUM_ACTIVE_LANES; > + val |= 0x64 << TPG_CTRL_CYCLES_BETWEEN_PKTS; > + val |= 0xA << TPG_CTRL_NUM_TRAIL_BYTES; > + writel_relaxed(val, csid->base + CSID_TPG_CTRL); > + } > + > + val = (lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES; > + val |= csid->phy.lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL; > + val |= phy_sel << CSI2_RX_CFG0_PHY_NUM_SEL; > + writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG0); > + > + > + val = 1 << CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN; > + val |= 1 << CSI2_RX_CFG1_MISR_EN; > + writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1); // csi2_vc_mode_shift_val ? > + > + /* error irqs start at BIT(11) */ > + writel_relaxed(~0u, csid->base + CSID_CSI2_RX_IRQ_MASK); > + > + /* RDI irq */ > + writel_relaxed(~0u, csid->base + CSID_TOP_IRQ_MASK); > + > + val = 1 << RDI_CTRL_HALT_CMD; > + writel_relaxed(val, csid->base + CSID_RDI_CTRL(0)); > +} > + > +static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val) Here (val == 0) means "testgen disabled", and (val >= 1) selects the test pattern: (val == 1) corresponds to CSID_PAYLOAD_MODE_INCREMENTING etc. > +{ > + s32 regval = val - 1; - now regval contains the zero-based test pattern mode number > + if (regval > 0 || regval <= CSID_PAYLOAD_MODE_MAX_SUPPORTED_170) - by excluding regval of zero you made it impossible to select CSID_PAYLOAD_MODE_INCREMENTING, didn't you? It looks like the above line of code should be: if (regval >= 0 || regval <= CSID_PAYLOAD_MODE_MAX_SUPPORTED_170) With this sorted out, Reviewed-by: Andrey Konovalov Thanks, Andrey > + csid->testgen.mode = regval; > + > + return 0; > +} > + > +/* > + * csid_hw_version - CSID hardware version query > + * @csid: CSID device > + * > + * Return HW version or error > + */ > +static u32 csid_hw_version(struct csid_device *csid) > +{ > + u32 hw_version; > + u32 hw_gen; > + u32 hw_rev; > + u32 hw_step; > + > + hw_version = readl_relaxed(csid->base + CSID_HW_VERSION); > + hw_gen = (hw_version >> HW_VERSION_GENERATION) & 0xF; > + hw_rev = (hw_version >> HW_VERSION_REVISION) & 0xFFF; > + hw_step = (hw_version >> HW_VERSION_STEPPING) & 0xFFFF; > + dev_dbg(csid->camss->dev, "CSID HW Version = %u.%u.%u\n", > + hw_gen, hw_rev, hw_step); > + > + return hw_version; > +} > + > +/* > + * csid_isr - CSID module interrupt service routine > + * @irq: Interrupt line > + * @dev: CSID device > + * > + * Return IRQ_HANDLED on success > + */ > +static irqreturn_t csid_isr(int irq, void *dev) > +{ > + struct csid_device *csid = dev; > + u32 val; > + u8 reset_done; > + > + val = readl_relaxed(csid->base + CSID_TOP_IRQ_STATUS); > + writel_relaxed(val, csid->base + CSID_TOP_IRQ_CLEAR); > + reset_done = val & BIT(TOP_IRQ_STATUS_RESET_DONE); > + > + val = readl_relaxed(csid->base + CSID_CSI2_RX_IRQ_STATUS); > + writel_relaxed(val, csid->base + CSID_CSI2_RX_IRQ_CLEAR); > + > + val = readl_relaxed(csid->base + CSID_CSI2_RDIN_IRQ_STATUS(0)); > + writel_relaxed(val, csid->base + CSID_CSI2_RDIN_IRQ_CLEAR(0)); > + > + val = 1 << IRQ_CMD_CLEAR; > + writel_relaxed(val, csid->base + CSID_IRQ_CMD); > + > + if (reset_done) > + complete(&csid->reset_complete); > + > + return IRQ_HANDLED; > +} > + > +/* > + * csid_reset - Trigger reset on CSID module and wait to complete > + * @csid: CSID device > + * > + * Return 0 on success or a negative error code otherwise > + */ > +static int csid_reset(struct csid_device *csid) > +{ > + unsigned long time; > + u32 val; > + > + reinit_completion(&csid->reset_complete); > + > + writel_relaxed(1, csid->base + CSID_TOP_IRQ_CLEAR); > + writel_relaxed(1, csid->base + CSID_IRQ_CMD); > + writel_relaxed(1, csid->base + CSID_TOP_IRQ_MASK); > + writel_relaxed(1, csid->base + CSID_IRQ_CMD); > + > + /* preserve registers */ > + val = 0x1e << RST_STROBES; > + writel_relaxed(val, csid->base + CSID_RST_STROBES); > + > + time = wait_for_completion_timeout(&csid->reset_complete, > + msecs_to_jiffies(CSID_RESET_TIMEOUT_MS)); > + if (!time) { > + dev_err(csid->camss->dev, "CSID reset timeout\n"); > + return -EIO; > + } > + > + return 0; > +} > + > +static u32 csid_src_pad_code(struct csid_device *csid, u32 sink_code, > + unsigned int match_format_idx, u32 match_code) > +{ > + switch (sink_code) { > + case MEDIA_BUS_FMT_SBGGR10_1X10: > + { > + u32 src_code[] = { > + MEDIA_BUS_FMT_SBGGR10_1X10, > + MEDIA_BUS_FMT_SBGGR10_2X8_PADHI_LE, > + }; > + > + return csid_find_code(src_code, ARRAY_SIZE(src_code), > + match_format_idx, match_code); > + } > + case MEDIA_BUS_FMT_Y10_1X10: > + { > + u32 src_code[] = { > + MEDIA_BUS_FMT_Y10_1X10, > + MEDIA_BUS_FMT_Y10_2X8_PADHI_LE, > + }; > + > + return csid_find_code(src_code, ARRAY_SIZE(src_code), > + match_format_idx, match_code); > + } > + default: > + if (match_format_idx > 0) > + return 0; > + > + return sink_code; > + } > +} > + > +static void csid_subdev_init(struct csid_device *csid) > +{ > + csid->formats = csid_formats; > + csid->nformats = ARRAY_SIZE(csid_formats); > + csid->testgen.modes = csid_testgen_modes; > + csid->testgen.nmodes = CSID_PAYLOAD_MODE_MAX_SUPPORTED_170; > +} > + > +const struct csid_hw_ops csid_ops_170 = { > + .configure_stream = csid_configure_stream, > + .configure_testgen_pattern = csid_configure_testgen_pattern, > + .hw_version = csid_hw_version, > + .isr = csid_isr, > + .reset = csid_reset, > + .src_pad_code = csid_src_pad_code, > + .subdev_init = csid_subdev_init, > +}; > diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media/platform/qcom/camss/camss-csid.c > index 601bd810f2b0..294a0a9e4dfa 100644 > --- a/drivers/media/platform/qcom/camss/camss-csid.c > +++ b/drivers/media/platform/qcom/camss/camss-csid.c > @@ -123,6 +123,8 @@ static int csid_set_clock_rates(struct csid_device *csid) > dev_err(dev, "clk set rate failed: %d\n", ret); > return ret; > } > + } else if (clock->nfreqs) { > + clk_set_rate(clock->clk, clock->freq[0]); > } > } > > @@ -544,6 +546,8 @@ int msm_csid_subdev_init(struct camss *camss, struct csid_device *csid, > } else if (camss->version == CAMSS_8x96 || > camss->version == CAMSS_660) { > csid->ops = &csid_ops_4_7; > + } else if (camss->version == CAMSS_845) { > + csid->ops = &csid_ops_170; > } else { > return -EINVAL; > } > diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h > index d40194e2bed3..49a6b5492403 100644 > --- a/drivers/media/platform/qcom/camss/camss-csid.h > +++ b/drivers/media/platform/qcom/camss/camss-csid.h > @@ -245,5 +245,7 @@ void msm_csid_get_csid_id(struct media_entity *entity, u8 *id); > > extern const struct csid_hw_ops csid_ops_4_1; > extern const struct csid_hw_ops csid_ops_4_7; > +extern const struct csid_hw_ops csid_ops_170; > + > > #endif /* QC_MSM_CAMSS_CSID_H */ > diff --git a/drivers/media/platform/qcom/camss/camss-vfe-170.c b/drivers/media/platform/qcom/camss/camss-vfe-170.c > index c4991b1f22f8..9ddc30a73868 100644 > --- a/drivers/media/platform/qcom/camss/camss-vfe-170.c > +++ b/drivers/media/platform/qcom/camss/camss-vfe-170.c > @@ -274,7 +274,6 @@ static void vfe_wm_start(struct vfe_device *vfe, u8 wm, struct vfe_line *line) > writel_relaxed(val, vfe->base + VFE_BUS_WM_PACKER_CFG(wm)); // XXX 1 for PLAIN8? > > /* Configure stride for RDIs */ > - //val = pix->plane_fmt[0].bytesperline; > val = WM_STRIDE_DEFAULT_STRIDE; > writel_relaxed(val, vfe->base + VFE_BUS_WM_STRIDE(wm)); > > diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c > index 0e006def1996..0b1693c34fbc 100644 > --- a/drivers/media/platform/qcom/camss/camss.c > +++ b/drivers/media/platform/qcom/camss/camss.c > @@ -465,6 +465,68 @@ static const struct resources vfe_res_660[] = { > } > }; > > +static const struct resources csid_res_845[] = { > + /* CSID0 */ > + { > + .regulator = { "vdda-csi0" }, > + .clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src", > + "soc_ahb", "vfe0", "vfe0_src", > + "vfe0_cphy_rx", "csi0", > + "csi0_src" }, > + .clock_rate = { { 0 }, > + { 384000000 }, > + { 80000000 }, > + { 0 }, > + { 19200000, 100000000, 320000000, 404000000, 480000000, 600000000 }, > + { 320000000 }, > + { 0 }, > + { 19200000, 75000000, 384000000, 538666667 }, > + { 384000000 } }, > + .reg = { "csid0" }, > + .interrupt = { "csid0" } > + }, > + > + /* CSID1 */ > + { > + .regulator = { "vdda-csi1" }, > + .clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src", > + "soc_ahb", "vfe1", "vfe1_src", > + "vfe1_cphy_rx", "csi1", > + "csi1_src" }, > + .clock_rate = { { 0 }, > + { 384000000 }, > + { 80000000 }, > + { 0 }, > + { 19200000, 100000000, 320000000, 404000000, 480000000, 600000000 }, > + { 320000000 }, > + { 0 }, > + { 19200000, 75000000, 384000000, 538666667 }, > + { 384000000 } }, > + .reg = { "csid1" }, > + .interrupt = { "csid1" } > + }, > + > + /* CSID2 */ > + { > + .regulator = { "vdda-csi2" }, > + .clock = { "cpas_ahb", "cphy_rx_src", "slow_ahb_src", > + "soc_ahb", "vfe_lite", "vfe_lite_src", > + "vfe_lite_cphy_rx", "csi2", > + "csi2_src" }, > + .clock_rate = { { 0 }, > + { 384000000 }, > + { 80000000 }, > + { 0 }, > + { 19200000, 100000000, 320000000, 404000000, 480000000, 600000000 }, > + { 320000000 }, > + { 0 }, > + { 19200000, 75000000, 384000000, 538666667 }, > + { 384000000 } }, > + .reg = { "csid2" }, > + .interrupt = { "csid2" } > + } > +}; > + > static const struct resources vfe_res_845[] = { > /* VFE0 */ > { >