From patchwork Wed Mar 20 13:42:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Depeng Shao X-Patchwork-Id: 781668 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4DE4452F65; Wed, 20 Mar 2024 13:43:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710942190; cv=none; b=ifcVRpf00XaOaHIdXmMSZWkqB3bW8rsNvYIrnyuJZrD7eJHwRQMblRqM+0TUdbOr9RY00MmFGEYxSxklaTQf1+pFQTTg9WURQWsy+l49o0WTefnj5JlBvmPkWUA/WB8PLeoIwdGyxGEsmcgUUAtENBuvZofI/3d6eqtbdtilarg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710942190; c=relaxed/simple; bh=YLcEBMbmki0miTgS89WwxP8f8OvyT5KVjG0BBtuSeMQ=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=G1AVu6TqEeRuhMNL+7wMYukRgwX/xGSuPXb6x5j4fU1zdEhuL0vE3Q/6H8W72SdWeO5ff+mjY6sXzFeJJ65yh6+5IeVpQyvqWmfrpe3GC5cYpdGJNL76hxbL+jSosYDfEqPjOiId15HvvTN26sXEn6J4q7EknY1yKZIIBWEf2xw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=MmcXt4nF; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="MmcXt4nF" Received: from pps.filterd (m0279870.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 42K5dQpa001081; Wed, 20 Mar 2024 13:43:03 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type; s=qcppdkim1; bh=yCqTD59rG8QL5IG348x2 jKd/Xkpd3lfisrPw8fPun1o=; b=MmcXt4nFTmQhR1wkcMvCSyg6CFIlLnKSA7TN 3GJeI9IyFaXFU2cQOt2Pf14+EvAJ8k9ULQB3NdN0/MFzq963z/lAXE+Ow/A4aux4 hO8rFXNAleleUOVNVL0q1S/kFBF6scY1RfM53804jqfhwiaKl5gf/u1aW3jjWKNk 1vbcmQeQMn98XZ1wYmOeyFWSw4zwB8TJAngZyuHROsvv4VCsx5KD6/8MydhXux8w 8p/NlWhm122b3OCXtJupVsfHjUx6cghbrEoleEWfxMdfIfWGXOw097pkE1R/JhFo SYp7QjcXJnOq7lv5MsPp86tEd1j4VEOKdKkkg6uX6qdybXJndw== Received: from nasanppmta05.qualcomm.com (i-global254.qualcomm.com [199.106.103.254]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3wyruw1426-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Mar 2024 13:43:02 +0000 (GMT) Received: from nasanex01b.na.qualcomm.com (nasanex01b.na.qualcomm.com [10.46.141.250]) by NASANPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 42KDh16U018166 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 20 Mar 2024 13:43:01 GMT Received: from hu-depengs-sha.qualcomm.com (10.80.80.8) by nasanex01b.na.qualcomm.com (10.46.141.250) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Wed, 20 Mar 2024 06:42:58 -0700 From: Depeng Shao To: , , , , , , CC: , , , Subject: [PATCH v1 5/8] media: qcom: camss: Add CSID gen3 driver Date: Wed, 20 Mar 2024 19:12:24 +0530 Message-ID: <20240320134227.16587-6-quic_depengs@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240320134227.16587-1-quic_depengs@quicinc.com> References: <20240320134227.16587-1-quic_depengs@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01b.na.qualcomm.com (10.46.141.250) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: Vwd2hKwbgEr9mCeg2sFTyzoNMX_Q0t22 X-Proofpoint-ORIG-GUID: Vwd2hKwbgEr9mCeg2sFTyzoNMX_Q0t22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-20_09,2024-03-18_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 phishscore=0 priorityscore=1501 bulkscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 clxscore=1015 malwarescore=0 mlxlogscore=999 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403140001 definitions=main-2403200107 The CSID in SM8550 is gen3, it has new register offset and new functionality, the buf done irq, register update and reset is moved to CSID gen3. Signed-off-by: Depeng Shao Co-developed-by: Yongsheng Li --- drivers/media/platform/qcom/camss/Makefile | 1 + .../platform/qcom/camss/camss-csid-gen3.c | 639 ++++++++++++++++++ .../platform/qcom/camss/camss-csid-gen3.h | 26 + .../media/platform/qcom/camss/camss-csid.h | 1 + 4 files changed, 667 insertions(+) create mode 100644 drivers/media/platform/qcom/camss/camss-csid-gen3.c create mode 100644 drivers/media/platform/qcom/camss/camss-csid-gen3.h diff --git a/drivers/media/platform/qcom/camss/Makefile b/drivers/media/platform/qcom/camss/Makefile index 28eba4bf3e38..c5fcd6eec0f2 100644 --- a/drivers/media/platform/qcom/camss/Makefile +++ b/drivers/media/platform/qcom/camss/Makefile @@ -7,6 +7,7 @@ qcom-camss-objs += \ camss-csid-4-1.o \ camss-csid-4-7.o \ camss-csid-gen2.o \ + camss-csid-gen3.o \ camss-csiphy-2ph-1-0.o \ camss-csiphy-3ph-1-0.o \ camss-csiphy-2-1-2.o \ diff --git a/drivers/media/platform/qcom/camss/camss-csid-gen3.c b/drivers/media/platform/qcom/camss/camss-csid-gen3.c new file mode 100644 index 000000000000..b97005f7065d --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-csid-gen3.c @@ -0,0 +1,639 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * camss-csid-gen3.c + * + * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module + * + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#include +#include +#include +#include +#include +#include + + +#include "camss-csid.h" +#include "camss-csid-gen3.h" +#include "camss.h" + + +#define CSID_TOP_IO_PATH_CFG0(csid) (0x4 * (csid)) +#define OUTPUT_IFE_EN 0x100 +#define INTERNAL_CSID 1 + +#define CSID_HW_VERSION 0x0 +#define HW_VERSION_STEPPING 0 +#define HW_VERSION_REVISION 16 +#define HW_VERSION_GENERATION 28 + +#define CSID_RST_CFG 0xC +#define RST_MODE 0 +#define RST_LOCATION 4 + +#define CSID_RST_CMD 0x10 +#define SELECT_HW_RST 0 +#define SELECT_SW_RST 1 +#define SELECT_IRQ_RST 2 + +#define CSID_CSI2_RX_IRQ_STATUS 0x9C +#define CSID_CSI2_RX_IRQ_MASK 0xA0 +#define CSID_CSI2_RX_IRQ_CLEAR 0xA4 +#define CSID_CSI2_RX_IRQ_SET 0xA8 + +#define CSID_CSI2_RDIN_IRQ_STATUS(rdi) (0xEC + 0x10 * (rdi)) +#define CSID_CSI2_RDIN_IRQ_MASK(rdi) (0xF0 + 0x10 * (rdi)) +#define CSID_CSI2_RDIN_INFO_FIFO_FULL 2 +#define CSID_CSI2_RDIN_INFO_CAMIF_EOF 3 +#define CSID_CSI2_RDIN_INFO_CAMIF_SOF 4 +#define CSID_CSI2_RDIN_INFO_INPUT_EOF 9 +#define CSID_CSI2_RDIN_INFO_INPUT_SOF 12 +#define CSID_CSI2_RDIN_ERROR_REC_FRAME_DROP 18 +#define CSID_CSI2_RDIN_ERROR_REC_OVERFLOW_IRQ 19 +#define CSID_CSI2_RDIN_ERROR_REC_CCIF_VIOLATION 20 +#define CSID_CSI2_RDIN_EPOCH0 21 +#define CSID_CSI2_RDIN_EPOCH1 22 +#define CSID_CSI2_RDIN_RUP_DONE 23 +#define CSID_CSI2_RDIN_CCIF_VIOLATION 29 + +#define CSID_CSI2_RDIN_IRQ_CLEAR(rdi) (0xF4 + 0x10 * (rdi)) +#define CSID_CSI2_RDIN_IRQ_SET(rdi) (0xF8 + 0x10 * (rdi)) + +#define CSID_TOP_IRQ_STATUS 0x7C +#define TOP_IRQ_STATUS_RESET_DONE 0 +#define CSID_TOP_IRQ_MASK 0x80 +#define CSID_TOP_IRQ_CLEAR 0x84 +#define CSID_TOP_IRQ_SET 0x88 +#define CSID_IRQ_CMD 0x14 +#define IRQ_CMD_CLEAR 0 +#define IRQ_CMD_SET 4 + +#define CSID_BUF_DONE_IRQ_STATUS 0x8C +#define BUF_DONE_IRQ_STATUS_RDI_OFFSET (csid_is_lite(csid) ? 1 : 14) +#define CSID_BUF_DONE_IRQ_MASK 0x90 +#define CSID_BUF_DONE_IRQ_CLEAR 0x94 +#define CSID_BUF_DONE_IRQ_SET 0x98 + +#define CSID_CSI2_RX_CFG0 0x200 +#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_SEL_BASE_IDX 1 +#define CSI2_RX_CFG0_PHY_TYPE_SEL 24 +#define CSI2_RX_CFG0_TPG_MUX_EN 27 +#define CSI2_RX_CFG0_TPG_NUM_SEL 28 + +#define CSID_CSI2_RX_CFG1 0x204 +#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_PHY_BIST_EN 7 +#define CSI2_RX_CFG1_EPD_MODE 8 +#define CSI2_RX_CFG1_EOTP_EN 9 +#define CSI2_RX_CFG1_DYN_SWITCH_EN 10 +#define CSI2_RX_CFG1_RUP_AUP_LATCH_DIS 11 + +#define CSID_CSI2_RX_CAPTURE_CTRL 0x208 +#define CSI2_RX_CAPTURE_CTRL_LONG_PKT_CAPTURE_EN 0 +#define CSI2_RX_CAPTURE_CTRL_SHORT_PKT_CAPTURE_EN 1 +#define CSI2_RX_CAPTURE_CTRL_CPHY_PKT_CAPTURE_EN 3 +#define CSI2_RX_CAPTURE_CTRL_LONG_PKT_CAPTURE_DT 4 +#define CSI2_RX_CAPTURE_CTRL_LONG_PKT_CAPTURE_VC 10 +#define CSI2_RX_CAPTURE_CTRL_SHORT_PKT_CAPTURE_VC 15 +#define CSI2_RX_CAPTURE_CTRL_CPHY_PKT_CAPTURE_DT 20 +#define CSI2_RX_CAPTURE_CTRL_CPHY_PKT_CAPTURE_VC 26 + +#define CSID_RDI_CFG0(rdi) (0x500 + 0x100 * (rdi)) +#define RDI_CFG0_VFR_EN 0 +#define RDI_CFG0_FRAME_ID_DEC_EN 1 +#define RDI_CFG0_RETIME_DIS 5 +#define RDI_CFG0_TIMESTAMP_EN 6 +#define RDI_CFG0_TIMESTAMP_STB_SEL 8 +#define RDI_CFG0_DECODE_FORMAT 12 +#define RDI_CFG0_DT 16 +#define RDI_CFG0_VC 22 +#define RDI_CFG0_DT_ID 27 +#define RDI_CFG0_EN 31 + +#define CSID_RDI_CFG1(rdi) (0x510 + 0x100 * (rdi)) +#define RDI_CFG1_BYTE_CNTR_EN 2 +#define RDI_CFG1_DROP_H_EN 5 +#define RDI_CFG1_DROP_V_EN 6 +#define RDI_CFG1_CROP_H_EN 7 +#define RDI_CFG1_CROP_V_EN 8 +#define RDI_CFG1_MISR_EN 9 +#define RDI_CFG1_PIX_STORE 10 +#define RDI_CFG1_PLAIN_ALIGNMENT 11 +#define RDI_CFG1_PLAIN_FORMAT 12 +#define RDI_CFG1_EARLY_EOF_EN 14 +#define RDI_CFG1_PACKING_FORMAT 15 + +#define CSID_RDI_CTRL(rdi) (0x504 + 0x100 * (rdi)) +#define RDI_CTRL_START_CMD 0 +#define RDI_CTRL_START_MODE 2 + +#define CSID_RDI_EPOCH_IRQ_CFG(rdi) (0x52C + 0x100 * (rdi)) + +#define CSID_RDI_FRM_DROP_PATTERN(rdi) (0x540 + 0x100 * (rdi)) +#define CSID_RDI_FRM_DROP_PERIOD(rdi) (0x544 + 0x100 * (rdi)) +#define CSID_RDI_IRQ_SUBSAMPLE_PATTERN(rdi) (0x548 + 0x100 * (rdi)) +#define CSID_RDI_IRQ_SUBSAMPLE_PERIOD(rdi) (0x54C + 0x100 * (rdi)) +#define CSID_RDI_RPP_PIX_DROP_PATTERN(rdi) (0x558 + 0x100 * (rdi)) +#define CSID_RDI_RPP_PIX_DROP_PERIOD(rdi) (0x55C + 0x100 * (rdi)) +#define CSID_RDI_RPP_LINE_DROP_PATTERN(rdi) (0x560 + 0x100 * (rdi)) +#define CSID_RDI_RPP_LINE_DROP_PERIOD(rdi) (0x564 + 0x100 * (rdi)) + +#define CSID_RDI_RPP_HCROP(rdi) (0x550 + 0x100 * (rdi)) +#define CSID_RDI_RPP_VCROP(rdi) (0x554 + 0x100 * (rdi)) + +#define CSID_RDI_ERROR_RECOVERY_CFG0(rdi) (0x514 + 0x100 * (rdi)) + +#define CSID_DISCARD_FRAMES 4 + +#define CSID_REG_UPDATE_CMD 0x18 +static inline int reg_update_rdi(struct csid_device *csid, int n) +{ + return BIT(n + 4) + BIT(20 + n); +} + +#define REG_UPDATE_RDI reg_update_rdi + +static const struct csid_format csid_formats[] = { + { + MEDIA_BUS_FMT_UYVY8_1X16, + DATA_TYPE_YUV422_8BIT, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_VYUY8_1X16, + DATA_TYPE_YUV422_8BIT, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_YUYV8_1X16, + DATA_TYPE_YUV422_8BIT, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 2, + }, + { + MEDIA_BUS_FMT_YVYU8_1X16, + 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_Y8_1X8, + DATA_TYPE_RAW_8BIT, + DECODE_FORMAT_UNCOMPRESSED_8_BIT, + 8, + 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_rx(struct csid_device *csid, + struct csid_phy_config *phy, int vc) +{ + int val; + + val = (phy->lane_cnt - 1) << CSI2_RX_CFG0_NUM_ACTIVE_LANES; + val |= phy->lane_assign << CSI2_RX_CFG0_DL0_INPUT_SEL; + val |= (phy->csiphy_id + CSI2_RX_CFG0_PHY_SEL_BASE_IDX) << CSI2_RX_CFG0_PHY_NUM_SEL; + + writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG0); + + val = 1 << CSI2_RX_CFG1_PACKET_ECC_CORRECTION_EN; + if (vc > 3) + val |= 1 << CSI2_RX_CFG1_VC_MODE; + writel_relaxed(val, csid->base + CSID_CSI2_RX_CFG1); +} + +static void __csid_ctrl_rdi(struct csid_device *csid, int enable, u8 rdi) +{ + int val; + + if (enable) + val = 1 << RDI_CTRL_START_CMD; + else + val = 0 << RDI_CTRL_START_CMD; + writel_relaxed(val, csid->base + CSID_RDI_CTRL(rdi)); +} + +static void __csid_configure_top(struct csid_device *csid) +{ + u32 val; + + if (csid->top_base) { + val = OUTPUT_IFE_EN | INTERNAL_CSID; + writel_relaxed(val, csid->top_base + CSID_TOP_IO_PATH_CFG0(csid->id)); + } +} + +static void __csid_configure_rdi_stream(struct csid_device *csid, u8 enable, u8 vc) +{ + u32 val; + u8 lane_cnt = csid->phy.lane_cnt; + /* Source pads matching RDI channels on hardware. Pad 1 -> RDI0, Pad 2 -> RDI1, etc. */ + struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc]; + const struct csid_format *format = csid_get_fmt_entry(csid->formats, csid->nformats, + input_format->code); + + if (!lane_cnt) + lane_cnt = 4; + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(vc)); + + /* + * DT_ID is a two bit bitfield that is concatenated with + * the four least significant bits of the five bit VC + * bitfield to generate an internal CID value. + * + * CSID_RDI_CFG0(vc) + * DT_ID : 28:27 + * VC : 26:22 + * DT : 21:16 + * + * CID : VC 3:0 << 2 | DT_ID 1:0 + */ + u8 dt_id = vc & 0x03; + + val = 1 << RDI_CFG0_TIMESTAMP_EN; + val |= 2 << RDI_CFG0_TIMESTAMP_STB_SEL; + /* note: for non-RDI path, this should be format->decode_format */ + val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT; + val |= vc << RDI_CFG0_VC; + val |= format->data_type << RDI_CFG0_DT; + val |= dt_id << RDI_CFG0_DT_ID; + + writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); + + val = 1 << RDI_CFG1_PACKING_FORMAT; + val |= 1 << RDI_CFG1_PIX_STORE; + val |= 1 << RDI_CFG1_DROP_H_EN; + val |= 1 << RDI_CFG1_DROP_V_EN; + val |= 1 << RDI_CFG1_CROP_H_EN; + val |= 1 << RDI_CFG1_CROP_V_EN; + val |= RDI_CFG1_EARLY_EOF_EN; + + writel_relaxed(val, csid->base + CSID_RDI_CFG1(vc)); + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(vc)); + + val = 1; + writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(vc)); + + val = 0; + writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc)); + + val = readl_relaxed(csid->base + CSID_RDI_CFG0(vc)); + val |= enable << RDI_CFG0_EN; + writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); +} + +static void csid_configure_stream(struct csid_device *csid, u8 enable) +{ + u8 i; + + /* Loop through all enabled VCs and configure stream for each */ + for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++) + if (csid->phy.en_vc & BIT(i)) { + __csid_configure_top(csid); + __csid_configure_rdi_stream(csid, enable, i); + __csid_configure_rx(csid, &csid->phy, i); + __csid_ctrl_rdi(csid, enable, i); + } +} + +static int csid_configure_testgen_pattern(struct csid_device *csid, s32 val) +{ + if (val > 0 && val <= csid->testgen.nmodes) + csid->testgen.mode = val; + + 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_info(csid->camss->dev, "CSID HW Version = %u.%u.%u\n", + hw_gen, hw_rev, hw_step); + + return hw_version; +} + +static void csid_reg_update(struct csid_device *csid, int port_id) +{ + csid->reg_update |= REG_UPDATE_RDI(csid, port_id); + writel_relaxed(csid->reg_update, csid->base + CSID_REG_UPDATE_CMD); +} + +static inline void csid_reg_update_clear(struct csid_device *csid, + int port_id) +{ + csid->reg_update &= ~REG_UPDATE_RDI(csid, port_id); +} + + +/* + * 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, buf_done_val; + u8 reset_done; + int i; + + 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); + + buf_done_val = readl_relaxed(csid->base + CSID_BUF_DONE_IRQ_STATUS); + writel_relaxed(buf_done_val, csid->base + CSID_BUF_DONE_IRQ_CLEAR); + + /* Read and clear IRQ status for each enabled RDI channel */ + for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++) + if (csid->phy.en_vc & BIT(i)) { + val = readl_relaxed(csid->base + CSID_CSI2_RDIN_IRQ_STATUS(i)); + writel_relaxed(val, csid->base + CSID_CSI2_RDIN_IRQ_CLEAR(i)); + + if (buf_done_val & BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i)) { + dev_dbg(csid->camss->dev, "RDI%d BUF DONE", i); + v4l2_subdev_notify(&csid->subdev, NOTIFY_BUF_DONE, (void *)&i); + } + } + + 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; + int i; + + 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); + + for (i = 0; i < MSM_CSID_MAX_SRC_STREAMS; i++) + if (csid->phy.en_vc & BIT(i)) { + writel_relaxed(BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i), + csid->base + CSID_BUF_DONE_IRQ_CLEAR); + writel_relaxed(0x1 << IRQ_CMD_CLEAR, csid->base + CSID_IRQ_CMD); + writel_relaxed(BIT(BUF_DONE_IRQ_STATUS_RDI_OFFSET + i), + csid->base + CSID_BUF_DONE_IRQ_MASK); + } + + /* preserve registers */ + val = (0x1 << RST_LOCATION) | (0x1 << RST_MODE); + writel_relaxed(val, csid->base + CSID_RST_CFG); + + val = (0x1 << SELECT_HW_RST) | (0x1 << SELECT_IRQ_RST); + writel_relaxed(val, csid->base + CSID_RST_CMD); + + 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_NUM_SUPPORTED_GEN2; +} + +static void csid_subdev_event(struct csid_device *csid, unsigned int evt_type, void *arg) +{ + int evt_data = *(int *)arg; + + switch (evt_type) { + case NOTIFY_RUP: + csid_reg_update(csid, evt_data); + break; + case NOTIFY_RUP_CLEAR: + csid_reg_update_clear(csid, evt_data); + break; + default: + dev_err(csid->camss->dev, "NOT Supported EVT Type\n"); + break; + } +} + +const struct csid_hw_ops csid_ops_gen3 = { + .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, + .event = csid_subdev_event, +}; diff --git a/drivers/media/platform/qcom/camss/camss-csid-gen3.h b/drivers/media/platform/qcom/camss/camss-csid-gen3.h new file mode 100644 index 000000000000..aa5bd5f2fec5 --- /dev/null +++ b/drivers/media/platform/qcom/camss/camss-csid-gen3.h @@ -0,0 +1,26 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * camss-csid-gen3.h + * + * Qualcomm MSM Camera Subsystem - CSID (CSI Decoder) Module Generation 1 + * + * Copyright (c) 2024 Qualcomm Innovation Center, Inc. All rights reserved. + */ +#ifndef QC_MSM_CAMSS_CSID_GEN3_H +#define QC_MSM_CAMSS_CSID_GEN3_H + +#define DECODE_FORMAT_UNCOMPRESSED_8_BIT 0x1 +#define DECODE_FORMAT_UNCOMPRESSED_10_BIT 0x2 +#define DECODE_FORMAT_UNCOMPRESSED_12_BIT 0x3 +#define DECODE_FORMAT_UNCOMPRESSED_14_BIT 0x4 +#define DECODE_FORMAT_UNCOMPRESSED_16_BIT 0x5 +#define DECODE_FORMAT_UNCOMPRESSED_20_BIT 0x6 +#define DECODE_FORMAT_UNCOMPRESSED_24_BIT 0x7 +#define DECODE_FORMAT_PAYLOAD_ONLY 0xf + + +#define PLAIN_FORMAT_PLAIN8 0x0 /* supports DPCM, UNCOMPRESSED_6/8_BIT */ +#define PLAIN_FORMAT_PLAIN16 0x1 /* supports DPCM, UNCOMPRESSED_10/16_BIT */ +#define PLAIN_FORMAT_PLAIN32 0x2 /* supports UNCOMPRESSED_20_BIT */ + +#endif /* QC_MSM_CAMSS_CSID_GEN3_H */ diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media/platform/qcom/camss/camss-csid.h index ca654b007441..c1d061f91b78 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.h +++ b/drivers/media/platform/qcom/camss/camss-csid.h @@ -223,6 +223,7 @@ extern const char * const csid_testgen_modes[]; 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_gen2; +extern const struct csid_hw_ops csid_ops_gen3; /* * csid_is_lite - Check if CSID is CSID lite.