From patchwork Fri Apr 15 11:18:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Mugnier X-Patchwork-Id: 562073 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C933C433EF for ; Fri, 15 Apr 2022 11:19:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352655AbiDOLVn (ORCPT ); Fri, 15 Apr 2022 07:21:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49354 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352630AbiDOLVh (ORCPT ); Fri, 15 Apr 2022 07:21:37 -0400 Received: from mx07-00178001.pphosted.com (mx07-00178001.pphosted.com [185.132.182.106]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D99A18F9AA for ; Fri, 15 Apr 2022 04:19:09 -0700 (PDT) Received: from pps.filterd (m0288072.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23F8nOv6016362; Fri, 15 Apr 2022 13:19:02 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=V0RCXxUOU5lBmkDwLkBgc3A+UiLWdWdOm3CZTXT9WZo=; b=dJJpQT7mALaCrF8Mh8OetiCU2X7rxQa9mDCGHCSJMpA1Ce6rjfH4VzzJbaA1wbk3TpE+ rlNlhpiYWAIh1wJDBOQFT+tUmEijJmYXdsy1Wrqyjsnd+XVajXnJ8THZVi1FBIKvJhxp AgFJvJBA5FhYeRGzzXXWUCxTgCcWXiO5QIABlhiv0YU/HakzXfuGHZLOzHahrw40OnEc kk5DfTtmhAgiIFExiZefOZoNXR5jglUeexzEGaX4yoII9zKAc+09kS+aHSkAQ+ZD2gbN +IXQpYP9bPq6zHVB90cHByk6kXqSZVomttSqQkAKry1Yf3J++nqICySXhSjC5No/LpSh yQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3fb74qt3ag-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Apr 2022 13:19:01 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 351EC100034; Fri, 15 Apr 2022 13:19:01 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node1.st.com [10.75.127.4]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 2D5DE21E672; Fri, 15 Apr 2022 13:19:01 +0200 (CEST) Received: from localhost (10.75.127.49) by SFHDAG2NODE1.st.com (10.75.127.4) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 15 Apr 2022 13:19:00 +0200 From: Benjamin Mugnier To: CC: , , , , , , , Benjamin Mugnier Subject: [PATCH v2 1/5] media: v4l: Add 1X16 16-bit greyscale media bus code definition Date: Fri, 15 Apr 2022 13:18:41 +0200 Message-ID: <20220415111845.27130-2-benjamin.mugnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> References: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE1.st.com (10.75.127.4) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-15_04,2022-04-15_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This extends the greyscale media bus family originally from MEDIA_BUS_FMT_Y8_1X8 up to MEDIA_BUS_FMT_Y14_1X14 by adding MEDIA_BUS_FMT_Y16_1X16, and behaves the same way with 16 bits. Add its documentation in subdev-formats.rst Signed-off-by: Benjamin Mugnier Reviewed-by: Laurent Pinchart --- .../media/v4l/subdev-formats.rst | 37 +++++++++++++++++++ include/uapi/linux/media-bus-format.h | 3 +- 2 files changed, 39 insertions(+), 1 deletion(-) diff --git a/Documentation/userspace-api/media/v4l/subdev-formats.rst b/Documentation/userspace-api/media/v4l/subdev-formats.rst index 0cbc045d5df6..b8bb16c70d62 100644 --- a/Documentation/userspace-api/media/v4l/subdev-formats.rst +++ b/Documentation/userspace-api/media/v4l/subdev-formats.rst @@ -7387,6 +7387,43 @@ The following table list existing packed 36bit wide YUV formats. - v\ :sub:`2` - v\ :sub:`1` - v\ :sub:`0` + * .. _MEDIA-BUS-FMT-Y16-1X16: + + - MEDIA_BUS_FMT_Y16_1X16 + - 0x202e + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - + - y\ :sub:`15` + - y\ :sub:`14` + - y\ :sub:`13` + - y\ :sub:`12` + - y\ :sub:`11` + - y\ :sub:`10` + - y\ :sub:`9` + - y\ :sub:`8` + - y\ :sub:`7` + - y\ :sub:`6` + - y\ :sub:`5` + - y\ :sub:`4` + - y\ :sub:`3` + - y\ :sub:`2` + - y\ :sub:`1` + - y\ :sub:`0` .. raw:: latex diff --git a/include/uapi/linux/media-bus-format.h b/include/uapi/linux/media-bus-format.h index 0dfc11ee243a..0b436759d94d 100644 --- a/include/uapi/linux/media-bus-format.h +++ b/include/uapi/linux/media-bus-format.h @@ -65,7 +65,7 @@ #define MEDIA_BUS_FMT_RGB121212_1X36 0x1019 #define MEDIA_BUS_FMT_RGB161616_1X48 0x101a -/* YUV (including grey) - next is 0x202e */ +/* YUV (including grey) - next is 0x202f */ #define MEDIA_BUS_FMT_Y8_1X8 0x2001 #define MEDIA_BUS_FMT_UV8_1X8 0x2015 #define MEDIA_BUS_FMT_UYVY8_1_5X8 0x2002 @@ -111,6 +111,7 @@ #define MEDIA_BUS_FMT_YUV12_1X36 0x2029 #define MEDIA_BUS_FMT_YUV16_1X48 0x202a #define MEDIA_BUS_FMT_UYYVYY16_0_5X48 0x202b +#define MEDIA_BUS_FMT_Y16_1X16 0x202e /* Bayer - next is 0x3021 */ #define MEDIA_BUS_FMT_SBGGR8_1X8 0x3001 From patchwork Fri Apr 15 11:18:42 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Benjamin Mugnier X-Patchwork-Id: 562753 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6F9EC433EF for ; Fri, 15 Apr 2022 11:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352650AbiDOLVj (ORCPT ); Fri, 15 Apr 2022 07:21:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49344 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236730AbiDOLVg (ORCPT ); Fri, 15 Apr 2022 07:21:36 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5605E8E183 for ; Fri, 15 Apr 2022 04:19:08 -0700 (PDT) Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23F8f3G2008376; 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Fri, 15 Apr 2022 13:19:02 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node1.st.com [10.75.127.4]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id 0686A21E674; Fri, 15 Apr 2022 13:19:02 +0200 (CEST) Received: from localhost (10.75.127.50) by SFHDAG2NODE1.st.com (10.75.127.4) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 15 Apr 2022 13:19:01 +0200 From: Benjamin Mugnier To: CC: , , , , , , , Benjamin Mugnier Subject: [PATCH v2 2/5] media: v4l: ctrls: Add a control for temperature Date: Fri, 15 Apr 2022 13:18:42 +0200 Message-ID: <20220415111845.27130-3-benjamin.mugnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> References: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE1.st.com (10.75.127.4) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-15_04,2022-04-15_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add V4L2_CID_TEMPERATURE control to get temperature from sensor in celsius as a volatile and read-only control, and its documentation. Useful to monitor thermals from v4l controls for sensors that support this. Signed-off-by: Benjamin Mugnier --- Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst | 3 +++ drivers/media/v4l2-core/v4l2-ctrls-defs.c | 4 ++++ include/uapi/linux/v4l2-controls.h | 2 ++ 3 files changed, 9 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst b/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst index 4c5061aa9cd4..26fa21f5c45a 100644 --- a/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst +++ b/Documentation/userspace-api/media/v4l/ext-ctrls-camera.rst @@ -661,3 +661,6 @@ enum v4l2_scene_mode - .. [#f1] This control may be changed to a menu control in the future, if more options are required. + +``V4L2_CID_TEMPERATURE (integer)`` + The temperature of the sensor in celsius. This is a read-only control. diff --git a/drivers/media/v4l2-core/v4l2-ctrls-defs.c b/drivers/media/v4l2-core/v4l2-ctrls-defs.c index 54ca4e6b820b..45ad3edd59e0 100644 --- a/drivers/media/v4l2-core/v4l2-ctrls-defs.c +++ b/drivers/media/v4l2-core/v4l2-ctrls-defs.c @@ -1042,6 +1042,7 @@ const char *v4l2_ctrl_get_name(u32 id) case V4L2_CID_UNIT_CELL_SIZE: return "Unit Cell Size"; case V4L2_CID_CAMERA_ORIENTATION: return "Camera Orientation"; case V4L2_CID_CAMERA_SENSOR_ROTATION: return "Camera Sensor Rotation"; + case V4L2_CID_TEMPERATURE: return "Temperature in °C"; /* FM Radio Modulator controls */ /* Keep the order of the 'case's the same as in v4l2-controls.h! */ @@ -1597,6 +1598,9 @@ void v4l2_ctrl_fill(u32 id, const char **name, enum v4l2_ctrl_type *type, case V4L2_CID_RF_TUNER_PLL_LOCK: *flags |= V4L2_CTRL_FLAG_VOLATILE; break; + case V4L2_CID_TEMPERATURE: + *flags |= V4L2_CTRL_FLAG_READ_ONLY | + V4L2_CTRL_FLAG_VOLATILE; } } EXPORT_SYMBOL(v4l2_ctrl_fill); diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index bb40129446d4..705b4043c2de 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -1008,6 +1008,8 @@ enum v4l2_auto_focus_range { #define V4L2_CID_CAMERA_SENSOR_ROTATION (V4L2_CID_CAMERA_CLASS_BASE+35) +#define V4L2_CID_TEMPERATURE (V4L2_CID_CAMERA_CLASS_BASE+36) + /* FM Modulator class control IDs */ #define V4L2_CID_FM_TX_CLASS_BASE (V4L2_CTRL_CLASS_FM_TX | 0x900) From patchwork Fri Apr 15 11:18:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Mugnier X-Patchwork-Id: 562074 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 85681C4332F for ; Fri, 15 Apr 2022 11:19:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352651AbiDOLVk (ORCPT ); Fri, 15 Apr 2022 07:21:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49342 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235864AbiDOLVg (ORCPT ); Fri, 15 Apr 2022 07:21:36 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D2448EB40 for ; Fri, 15 Apr 2022 04:19:08 -0700 (PDT) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23F8Jvwu014756; Fri, 15 Apr 2022 13:19:03 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=JK0uovbh+0HwPv7PIDQgykUVhqPxSnb/1dhS6cDZMv8=; b=yFfomqZjjKxEmpNkAa8lcRGFXL0JrSdvUMgPqv/6n4PLdSJkAQW9ZURXbXg3gf2vTA9D PZetJAVdxRDKdTpRToWw9QpG2Uxurr4rV6aJL0UzB/YBW2qkX5R9RNFgNFNzc9WvDUba 2Nmv/VysJvRPBNxNG6MRq8goagTcnPcwhKgTxVzkvuQPAyEnJGJVDC5oDaAlevD99iMw TrQzxYoGKtSX5mP+uP0x1648v5fpAk41AaoVuhbMMzyEdybPOxWAfsB2yFkd8kZL1jUh eMJ7mfLboVBlNBWj0NuDjP5a7LB7j2XHk6iWcuXZr2noTBfwBfESO6i4XSZNVmauMP30 4g== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3fb7gptsk9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Apr 2022 13:19:03 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id E3628100034; Fri, 15 Apr 2022 13:19:02 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node1.st.com [10.75.127.4]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id DD83721E672; Fri, 15 Apr 2022 13:19:02 +0200 (CEST) Received: from localhost (10.75.127.49) by SFHDAG2NODE1.st.com (10.75.127.4) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 15 Apr 2022 13:19:02 +0200 From: Benjamin Mugnier To: CC: , , , , , , , Benjamin Mugnier Subject: [PATCH v2 3/5] media: v4l: ctrls: Add user control base for st-vgxy61 controls Date: Fri, 15 Apr 2022 13:18:43 +0200 Message-ID: <20220415111845.27130-4-benjamin.mugnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> References: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.49] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE1.st.com (10.75.127.4) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-15_04,2022-04-15_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add a control base for st-vgxy61 controls and reserve 16 controls. This is required for HDR mode user control on the st-vgxy61 camera sensor. Signed-off-by: Benjamin Mugnier --- 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 705b4043c2de..0bdf77df26ac 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -225,6 +225,11 @@ enum v4l2_colorfx { */ #define V4L2_CID_USER_ISL7998X_BASE (V4L2_CID_USER_BASE + 0x1180) +/* The base for the st-vgxy61 driver controls. + * We reserve 16 controls for this driver. + */ +#define V4L2_CID_USER_STVGXY61_BASE (V4L2_CID_USER_BASE + 0x1190) + /* MPEG-class control IDs */ /* The MPEG controls are applicable to all codec controls * and the 'MPEG' part of the define is historical */ From patchwork Fri Apr 15 11:18:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Mugnier X-Patchwork-Id: 562752 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 250BBC433FE for ; Fri, 15 Apr 2022 11:19:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352652AbiDOLVl (ORCPT ); Fri, 15 Apr 2022 07:21:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49350 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1352319AbiDOLVh (ORCPT ); Fri, 15 Apr 2022 07:21:37 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8CE1F8EB60 for ; Fri, 15 Apr 2022 04:19:08 -0700 (PDT) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 23F8W0Hp014832; Fri, 15 Apr 2022 13:19:04 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=n3JR9OYKq2fOeiiSUksksFmRlpD+9dqtg9m+49XwAjQ=; b=EmdDO7KQDfAE5p2N3W60j3c8Ezt/TjHAuYMGa8+Ycouzx0X/SsbzgJtq8RdoNZSxHIYz 760wqnXW2vcu2LKunMeZpusFZuqccPcyFL3XWWH6WlAG9XCARnqkYKQm2DxM9id4uZQz sVNmHDfZZIl5REQAqYifSG35omTtacS/3a8YAlcFOlX1Gc2TGfz6UK0McO3OyzLav9zx bcVdr2UptcocbbIfquag5jOhMSG5IJ1dPFIYCzlwMw98H3auDz6cqQLGPX6cB92Or2vN k9XiDEjh2IkuDKyaxDwPK6+oQWQh8LlrvrtJZaAbZBC9bl4M2/TVCQry9tIIICmROSrj +w== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3fb7gptskc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Apr 2022 13:19:04 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id AB48810002A; Fri, 15 Apr 2022 13:19:03 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node1.st.com [10.75.127.4]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A4EA821E675; Fri, 15 Apr 2022 13:19:03 +0200 (CEST) Received: from localhost (10.75.127.48) by SFHDAG2NODE1.st.com (10.75.127.4) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Fri, 15 Apr 2022 13:19:03 +0200 From: Benjamin Mugnier To: CC: , , , , , , , Benjamin Mugnier Subject: [PATCH v2 4/5] media: dt-bindings: media: i2c: Add ST VGXY61 camera sensor binding Date: Fri, 15 Apr 2022 13:18:44 +0200 Message-ID: <20220415111845.27130-5-benjamin.mugnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> References: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.48] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE1.st.com (10.75.127.4) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-15_04,2022-04-15_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Add device tree binding for the ST VGXY61 camera sensor, and update MAINTAINERS file. Signed-off-by: Benjamin Mugnier --- .../bindings/media/i2c/st,st-vgxy61.yaml | 125 ++++++++++++++++++ MAINTAINERS | 9 ++ 2 files changed, 134 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/st,st-vgxy61.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/st,st-vgxy61.yaml b/Documentation/devicetree/bindings/media/i2c/st,st-vgxy61.yaml new file mode 100644 index 000000000000..24bff161a661 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/st,st-vgxy61.yaml @@ -0,0 +1,125 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +# Copyright (c) 2022 STMicroelectronics SA. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/st,st-vgxy61.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STMicroelectronics VGxy61 HDR Global Shutter Sensor Family Device Tree Bindings + +maintainers: + - Benjamin Mugnier + - Sylvain Petinot + +description: |- + STMicroelectronics VGxy61 family has a CSI-2 output port. CSI-2 output is a + quad lanes 800Mbps per lane. + Supported formats are RAW8, RAW10, RAW12, RAW14 and RAW16. + Following part number are supported + - VG5661 and VG6661 are 1.6 Mpx (1464 x 1104) monochrome and color sensors. + Maximum frame rate is 75 fps. + - VG5761 and VG6761 are 2.3 Mpx (1944 x 1204) monochrome and color sensors. + Maximum frame rate is 60 fps. + +properties: + compatible: + const: st,st-vgxy61 + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + description: + Input clock for the sensor. + items: + - const: xclk + + VCORE-supply: + description: + Sensor digital core supply. Must be 1.2 volts. + + VDDIO-supply: + description: + Sensor digital IO supply. Must be 1.8 volts. + + VANA-supply: + description: + Sensor analog supply. Must be 2.8 volts. + + reset-gpios: + description: + Reference to the GPIO connected to the reset pin, if any. + This is an active low signal to the vgxy61. + + invert-gpios-polarity: + description: + If gpios polarity should be inversed + type: boolean + + slave-mode: + description: + If the sensor operates in slave mode + type: boolean + + port: + $ref: /schemas/graph.yaml#/$defs/port-base + additionalProperties: false + + properties: + endpoint: + $ref: /schemas/media/video-interfaces.yaml# + unevaluatedProperties: false + + properties: + data-lanes: + description: + CSI lanes to use + items: + - const: 1 + - const: 2 + - const: 3 + - const: 4 + + remote-endpoint: true + + required: + - clock-lane + - data-lanes + +required: + - compatible + - clocks + - clock-names + - VCORE-supply + - VDDIO-supply + - VANA-supply + +additionalProperties: false + +examples: + - | + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + vgxy61: csi2tx@10 { + compatible = "st,st-vgxy61"; + reg = <0x10>; + status = "okay"; + clocks = <&clk_ext_camera>; + VCORE-supply = <&v1v2>; + VDDIO-supply = <&v1v8>; + VANA-supply = <&v2v8>; + reset-gpios = <&mfxgpio 18 GPIO_ACTIVE_LOW>; + port { + ep0: endpoint { + data-lanes = <1 2 3 4>; + remote-endpoint = <&mipi_csi2_out>; + }; + }; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index fd768d43e048..6233e073da30 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18664,6 +18664,15 @@ S: Maintained F: Documentation/hwmon/stpddc60.rst F: drivers/hwmon/pmbus/stpddc60.c +ST VGXY61 DRIVER +M: Benjamin Mugnier +M: Sylvain Petinot +L: linux-media@vger.kernel.org +S: Maintained +T: git git://linuxtv.org/media_tree.git +F: Documentation/devicetree/bindings/media/i2c/st,st-vgxy61.txt +F: drivers/media/i2c/st-vgxy61.c + ST VL53L0X ToF RANGER(I2C) IIO DRIVER M: Song Qiang L: linux-iio@vger.kernel.org From patchwork Fri Apr 15 11:18:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Mugnier X-Patchwork-Id: 562072 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB787C433F5 for ; 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Fri, 15 Apr 2022 13:19:04 +0200 From: Benjamin Mugnier To: CC: , , , , , , , Benjamin Mugnier Subject: [PATCH v2 5/5] media: i2c: Add driver for ST VGXY61 camera sensor Date: Fri, 15 Apr 2022 13:18:45 +0200 Message-ID: <20220415111845.27130-6-benjamin.mugnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> References: <20220415111845.27130-1-benjamin.mugnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.50] X-ClientProxiedBy: SFHDAG2NODE1.st.com (10.75.127.4) To SFHDAG2NODE1.st.com (10.75.127.4) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-04-15_04,2022-04-15_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The VGXY61 has a quad lanes CSI-2 output port running at 800mbps per lane, and supports RAW8, RAW10, RAW12, RAW14 and RAW16 formats. The driver handles both sensor types: - VG5661 and VG6661: 1.6 Mpx (1464 x 1104) 75fps. - VG5761 and VG6761: 2.3 Mpx (1944 x 1204) 60 fps. The driver supports: - HDR linearize mode, HDR substraction mode, and no HDR - GPIOs LEDs strobing - Digital binning and analog subsampling - Horizontal and vertical flip - Manual exposure - Analog and digital gains - Test patterns Signed-off-by: Benjamin Mugnier --- drivers/media/i2c/Kconfig | 10 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/st-vgxy61.c | 1997 +++++++++++++++++++++++++++++++++ 3 files changed, 2008 insertions(+) create mode 100644 drivers/media/i2c/st-vgxy61.c diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index fae2baabb773..734f3e1130b0 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -763,6 +763,16 @@ config VIDEO_VS6624 To compile this driver as a module, choose M here: the module will be called vs6624. +config VIDEO_ST_VGXY61 + tristate "ST VGXY61 sensor support" + depends on OF && GPIOLIB && VIDEO_DEV && I2C + select MEDIA_CONTROLLER + select VIDEO_V4L2_SUBDEV_API + select V4L2_FWNODE + help + This is a Video4Linux2 sensor driver for the ST VGXY61 + camera sensor. + source "drivers/media/i2c/ccs/Kconfig" source "drivers/media/i2c/et8ek8/Kconfig" source "drivers/media/i2c/m5mols/Kconfig" diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index 3e1696963e7f..7f2362228484 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -116,6 +116,7 @@ obj-$(CONFIG_VIDEO_SAA7185) += saa7185.o obj-$(CONFIG_VIDEO_SONY_BTF_MPX) += sony-btf-mpx.o obj-$(CONFIG_VIDEO_SR030PC30) += sr030pc30.o obj-$(CONFIG_VIDEO_ST_MIPID02) += st-mipid02.o +obj-$(CONFIG_VIDEO_ST_VGXY61) += st-vgxy61.o obj-$(CONFIG_VIDEO_TC358743) += tc358743.o obj-$(CONFIG_VIDEO_TDA1997X) += tda1997x.o obj-$(CONFIG_VIDEO_TDA7432) += tda7432.o diff --git a/drivers/media/i2c/st-vgxy61.c b/drivers/media/i2c/st-vgxy61.c new file mode 100644 index 000000000000..1219d278e648 --- /dev/null +++ b/drivers/media/i2c/st-vgxy61.c @@ -0,0 +1,1997 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Driver for VGXY61 global shutter sensor family driver + * + * Copyright (C) 2022 STMicroelectronics SA + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define US_PER_MS 1000 + +#define DEVICE_MODEL_ID_REG 0x0000 +#define VG5661_MODEL_ID 0x5661 +#define VG5761_MODEL_ID 0x5761 +#define VGX661_WIDTH 1464 +#define VGX661_HEIGHT 1104 +#define VGX761_WIDTH 1944 +#define VGX761_HEIGHT 1204 +#define VGX661_DEFAULT_MODE 1 +#define VGX761_DEFAULT_MODE 1 +#define VGX661_SHORT_ROT_TERM 93 +#define VGX761_SHORT_ROT_TERM 90 +#define VGXY61_EXPOS_ROT_TERM 66 +#define VGXY61_WRITE_MULTIPLE_CHUNK_MAX 16 +#define VGXY61_NB_GPIOS 4 +#define VGXY61_NB_POLARITIES 5 +#define VGXY61_MIN_FRAME_LENGTH 1288 +#define VGXY61_MIN_EXPOSURE 10 +#define VGXY61_HDR_LINEAR_RATIO 10 +#define VGXY61_TIMEOUT_MS 500 +#define VGXY61_FRAME_LENGTH_DEF 1313 +#define DEVICE_REVISION 0x0002 +#define DEVICE_FWPATCH_REVISION 0x0014 +#define DEVICE_FWPATCH_START_ADDR 0x2000 +#define DEVICE_SYSTEM_FSM 0x0020 +#define SW_STBY 0x03 +#define STREAMING 0x04 +#define DEVICE_NVM 0x0023 +#define NVM_OK 0x04 +#define DEVICE_THSENS1_TEMPERATURE 0x0044 +#define DEVICE_STBY 0x0201 +#define STBY_NO_REQ 0 +#define STBY_REQ_TMP_READ BIT(2) +#define DEVICE_STREAMING 0x0202 +#define REQ_NO_REQUEST 0 +#define REQ_STOP_STREAMING BIT(0) +#define REQ_START_STREAMING BIT(1) +#define DEVICE_EXT_CLOCK 0x0220 +#define DEVICE_CLK_PLL_PREDIV 0x0224 +#define DEVICE_CLK_SYS_PLL_MULT 0x0225 +#define DEVICE_GPIO_0_CTRL 0x0236 +#define DEVICE_GPIO_1_CTRL 0x0237 +#define DEVICE_GPIO_2_CTRL 0x0238 +#define DEVICE_GPIO_3_CTRL 0x0239 +#define DEVICE_SIGNALS_POLARITY_CTRL 0x023b +#define DEVICE_LINE_LENGTH 0x0300 +#define DEVICE_ORIENTATION 0x0302 +#define DEVICE_VT_CTRL 0x0304 +#define DEVICE_FORMAT_CTRL 0x0305 +#define DEVICE_OIF_CTRL 0x0306 +#define DEVICE_OIF_ROI0_CTRL 0x030a +#define DEVICE_ROI0_START_H 0x0400 +#define DEVICE_ROI0_START_V 0x0402 +#define DEVICE_ROI0_END_H 0x0404 +#define DEVICE_ROI0_END_V 0x0406 +#define DEVICE_PATGEN_CTRL 0x0440 +#define DEVICE_FRAME_CONTENT_CTRL 0x0478 +#define DEVICE_COARSE_EXPOSURE_LONG 0x0500 +#define DEVICE_COARSE_EXPOSURE_SHORT 0x0504 +#define DEVICE_ANALOG_GAIN 0x0508 +#define DEVICE_DIGITAL_GAIN_LONG 0x050a +#define DEVICE_DIGITAL_GAIN_SHORT 0x0512 +#define DEVICE_FRAME_LENGTH 0x051a +#define DEVICE_SIGNALS_CTRL 0x0522 +#define DEVICE_READOUT_CTRL 0x0530 +#define DEVICE_HDR_CTRL 0x0532 +#define DEVICE_PATGEN_LONG_DATA_GR 0x092c +#define DEVICE_PATGEN_LONG_DATA_R 0x092e +#define DEVICE_PATGEN_LONG_DATA_B 0x0930 +#define DEVICE_PATGEN_LONG_DATA_GB 0x0932 +#define DEVICE_PATGEN_SHORT_DATA_GR 0x0950 +#define DEVICE_PATGEN_SHORT_DATA_R 0x0952 +#define DEVICE_PATGEN_SHORT_DATA_B 0x0954 +#define DEVICE_PATGEN_SHORT_DATA_GB 0x0956 +#define DEVICE_BYPASS_CTRL 0x0a60 + +#define V4L2_CID_HDR (V4L2_CID_USER_STVGXY61_BASE + 0) + +#define DEVICE_FWPATCH_REVISION_MAJOR 2 +#define DEVICE_FWPATCH_REVISION_MINOR 0 +#define DEVICE_FWPATCH_REVISION_MICRO 5 + +static const u8 patch_array[] = { + 0xbf, 0x00, 0x05, 0x20, 0x06, 0x01, 0xe0, 0xe0, 0x04, 0x80, 0xe6, 0x45, + 0xed, 0x6f, 0xfe, 0xff, 0x14, 0x80, 0x1f, 0x84, 0x10, 0x42, 0x05, 0x7c, + 0x01, 0xc4, 0x1e, 0x80, 0xb6, 0x42, 0x00, 0xe0, 0x1e, 0x82, 0x1e, 0xc0, + 0x93, 0xdd, 0xc3, 0xc1, 0x0c, 0x04, 0x00, 0xfa, 0x86, 0x0d, 0x70, 0xe1, + 0x04, 0x98, 0x15, 0x00, 0x28, 0xe0, 0x14, 0x02, 0x08, 0xfc, 0x15, 0x40, + 0x28, 0xe0, 0x98, 0x58, 0xe0, 0xef, 0x04, 0x98, 0x0e, 0x04, 0x00, 0xf0, + 0x15, 0x00, 0x28, 0xe0, 0x19, 0xc8, 0x15, 0x40, 0x28, 0xe0, 0xc6, 0x41, + 0xfc, 0xe0, 0x14, 0x80, 0x1f, 0x84, 0x14, 0x02, 0xa0, 0xfc, 0x1e, 0x80, + 0x14, 0x80, 0x14, 0x02, 0x80, 0xfb, 0x14, 0x02, 0xe0, 0xfc, 0x1e, 0x80, + 0x14, 0xc0, 0x1f, 0x84, 0x14, 0x02, 0xa4, 0xfc, 0x1e, 0xc0, 0x14, 0xc0, + 0x14, 0x02, 0x80, 0xfb, 0x14, 0x02, 0xe4, 0xfc, 0x1e, 0xc0, 0x0c, 0x0c, + 0x00, 0xf2, 0x93, 0xdd, 0x86, 0x00, 0xf8, 0xe0, 0x04, 0x80, 0xc6, 0x03, + 0x70, 0xe1, 0x0e, 0x84, 0x93, 0xdd, 0xc3, 0xc1, 0x0c, 0x04, 0x00, 0xfa, + 0x6b, 0x80, 0x06, 0x40, 0x6c, 0xe1, 0x04, 0x80, 0x09, 0x00, 0xe0, 0xe0, + 0x0b, 0xa1, 0x95, 0x84, 0x05, 0x0c, 0x1c, 0xe0, 0x86, 0x02, 0xf9, 0x60, + 0xe0, 0xcf, 0x78, 0x6e, 0x80, 0xef, 0x25, 0x0c, 0x18, 0xe0, 0x05, 0x4c, + 0x1c, 0xe0, 0x86, 0x02, 0xf9, 0x60, 0xe0, 0xcf, 0x0b, 0x84, 0xd8, 0x6d, + 0x80, 0xef, 0x05, 0x4c, 0x18, 0xe0, 0x04, 0xd8, 0x0b, 0xa5, 0x95, 0x84, + 0x05, 0x0c, 0x2c, 0xe0, 0x06, 0x02, 0x01, 0x60, 0xe0, 0xce, 0x18, 0x6d, + 0x80, 0xef, 0x25, 0x0c, 0x30, 0xe0, 0x05, 0x4c, 0x2c, 0xe0, 0x06, 0x02, + 0x01, 0x60, 0xe0, 0xce, 0x0b, 0x84, 0x78, 0x6c, 0x80, 0xef, 0x05, 0x4c, + 0x30, 0xe0, 0x0c, 0x0c, 0x00, 0xf2, 0x93, 0xdd, 0x46, 0x01, 0x70, 0xe1, + 0x08, 0x80, 0x0b, 0xa1, 0x08, 0x5c, 0x00, 0xda, 0x06, 0x01, 0x68, 0xe1, + 0x04, 0x80, 0x4a, 0x40, 0x84, 0xe0, 0x08, 0x5c, 0x00, 0x9a, 0x06, 0x01, + 0xe0, 0xe0, 0x04, 0x80, 0x15, 0x00, 0x60, 0xe0, 0x19, 0xc4, 0x15, 0x40, + 0x60, 0xe0, 0x15, 0x00, 0x78, 0xe0, 0x19, 0xc4, 0x15, 0x40, 0x78, 0xe0, + 0x93, 0xdd, 0xc3, 0xc1, 0x46, 0x01, 0x70, 0xe1, 0x08, 0x80, 0x0b, 0xa1, + 0x08, 0x5c, 0x00, 0xda, 0x06, 0x01, 0x68, 0xe1, 0x04, 0x80, 0x4a, 0x40, + 0x84, 0xe0, 0x08, 0x5c, 0x00, 0x9a, 0x06, 0x01, 0xe0, 0xe0, 0x14, 0x80, + 0x25, 0x02, 0x54, 0xe0, 0x29, 0xc4, 0x25, 0x42, 0x54, 0xe0, 0x24, 0x80, + 0x35, 0x04, 0x6c, 0xe0, 0x39, 0xc4, 0x35, 0x44, 0x6c, 0xe0, 0x25, 0x02, + 0x64, 0xe0, 0x29, 0xc4, 0x25, 0x42, 0x64, 0xe0, 0x04, 0x80, 0x15, 0x00, + 0x7c, 0xe0, 0x19, 0xc4, 0x15, 0x40, 0x7c, 0xe0, 0x93, 0xdd, 0xc3, 0xc1, + 0x4c, 0x04, 0x7c, 0xfa, 0x86, 0x40, 0x98, 0xe0, 0x14, 0x80, 0x1b, 0xa1, + 0x06, 0x00, 0x00, 0xc0, 0x08, 0x42, 0x38, 0xdc, 0x08, 0x64, 0xa0, 0xef, + 0x86, 0x42, 0x3c, 0xe0, 0x68, 0x49, 0x80, 0xef, 0x6b, 0x80, 0x78, 0x53, + 0xc8, 0xef, 0xc6, 0x54, 0x6c, 0xe1, 0x7b, 0x80, 0xb5, 0x14, 0x0c, 0xf8, + 0x05, 0x14, 0x14, 0xf8, 0x1a, 0xac, 0x8a, 0x80, 0x0b, 0x90, 0x38, 0x55, + 0x80, 0xef, 0x1a, 0xae, 0x17, 0xc2, 0x03, 0x82, 0x88, 0x65, 0x80, 0xef, + 0x1b, 0x80, 0x0b, 0x8e, 0x68, 0x65, 0x80, 0xef, 0x9b, 0x80, 0x0b, 0x8c, + 0x08, 0x65, 0x80, 0xef, 0x6b, 0x80, 0x0b, 0x92, 0x1b, 0x8c, 0x98, 0x64, + 0x80, 0xef, 0x1a, 0xec, 0x9b, 0x80, 0x0b, 0x90, 0x95, 0x54, 0x10, 0xe0, + 0xa8, 0x53, 0x80, 0xef, 0x1a, 0xee, 0x17, 0xc2, 0x03, 0x82, 0xf8, 0x63, + 0x80, 0xef, 0x1b, 0x80, 0x0b, 0x8e, 0xd8, 0x63, 0x80, 0xef, 0x1b, 0x8c, + 0x68, 0x63, 0x80, 0xef, 0x6b, 0x80, 0x0b, 0x92, 0x65, 0x54, 0x14, 0xe0, + 0x08, 0x65, 0x84, 0xef, 0x68, 0x63, 0x80, 0xef, 0x7b, 0x80, 0x0b, 0x8c, + 0xa8, 0x64, 0x84, 0xef, 0x08, 0x63, 0x80, 0xef, 0x14, 0xe8, 0x46, 0x44, + 0x94, 0xe1, 0x24, 0x88, 0x4a, 0x4e, 0x04, 0xe0, 0x14, 0xea, 0x1a, 0x04, + 0x08, 0xe0, 0x0a, 0x40, 0x84, 0xed, 0x0c, 0x04, 0x00, 0xe2, 0x4a, 0x40, + 0x04, 0xe0, 0x19, 0x16, 0xc0, 0xe0, 0x0a, 0x40, 0x84, 0xed, 0x21, 0x54, + 0x60, 0xe0, 0x0c, 0x04, 0x00, 0xe2, 0x1b, 0xa5, 0x0e, 0xea, 0x01, 0x89, + 0x21, 0x54, 0x64, 0xe0, 0x7e, 0xe8, 0x65, 0x82, 0x1b, 0xa7, 0x26, 0x00, + 0x00, 0x80, 0xa5, 0x82, 0x1b, 0xa9, 0x65, 0x82, 0x1b, 0xa3, 0x01, 0x85, + 0x16, 0x00, 0x00, 0xc0, 0x01, 0x54, 0x04, 0xf8, 0x06, 0xaa, 0x01, 0x83, + 0x06, 0xa8, 0x65, 0x81, 0x06, 0xa8, 0x01, 0x54, 0x04, 0xf8, 0x01, 0x83, + 0x06, 0xaa, 0x09, 0x14, 0x18, 0xf8, 0x0b, 0xa1, 0x05, 0x84, 0xc6, 0x42, + 0xd4, 0xe0, 0x14, 0x84, 0x01, 0x83, 0x01, 0x54, 0x60, 0xe0, 0x01, 0x54, + 0x64, 0xe0, 0x0b, 0x02, 0x90, 0xe0, 0x10, 0x02, 0x90, 0xe5, 0x01, 0x54, + 0x88, 0xe0, 0xb5, 0x81, 0xc6, 0x40, 0xd4, 0xe0, 0x14, 0x80, 0x0b, 0x02, + 0xe0, 0xe4, 0x10, 0x02, 0x31, 0x66, 0x02, 0xc0, 0x01, 0x54, 0x88, 0xe0, + 0x1a, 0x84, 0x29, 0x14, 0x10, 0xe0, 0x1c, 0xaa, 0x2b, 0xa1, 0xf5, 0x82, + 0x25, 0x14, 0x10, 0xf8, 0x2b, 0x04, 0xa8, 0xe0, 0x20, 0x44, 0x0d, 0x70, + 0x03, 0xc0, 0x2b, 0xa1, 0x04, 0x00, 0x80, 0x9a, 0x02, 0x40, 0x84, 0x90, + 0x03, 0x54, 0x04, 0x80, 0x4c, 0x0c, 0x7c, 0xf2, 0x93, 0xdd, 0x00, 0x00, + 0x02, 0xa9, 0x00, 0x00, 0x64, 0x4a, 0x40, 0x00, 0x08, 0x2d, 0x58, 0xe0, + 0xa8, 0x98, 0x40, 0x00, 0x28, 0x07, 0x34, 0xe0, 0x05, 0xb9, 0x00, 0x00, + 0x28, 0x00, 0x41, 0x05, 0x88, 0x00, 0x41, 0x3c, 0x98, 0x00, 0x41, 0x52, + 0x04, 0x01, 0x41, 0x79, 0x3c, 0x01, 0x41, 0x6a, 0x3d, 0xfe, 0x00, 0x00, +}; + +static const char * const vgxy61_test_pattern_menu[] = { + "Disabled", + "Solid", + "Colorbar", + "Gradbar", + "Hgrey", + "Vgrey", + "Dgrey", + "PN28", +}; + +static const char * const vgxy61_hdr_modes[] = { + "HDR linearize", + "HDR substraction", + "no HDR", +}; + +/* Regulator supplies */ +static const char * const vgxy61_supply_name[] = { + "VCORE", + "VDDIO", + "VANA", +}; + +static const s64 link_freq[] = { + /* + * MIPI output freq is 804Mhz / 2, as it uses both rising edge and falling edges to send + * data + */ + 402000000ULL +}; + +#define VGXY61_NUM_SUPPLIES ARRAY_SIZE(vgxy61_supply_name) + +enum bin_mode { + BIN_MODE_NORMAL, + BIN_MODE_DIGITAL_X2, + BIN_MODE_DIGITAL_X4, +}; + +enum hdr { + HDR_LINEAR, + HDR_SUB, + NO_HDR, +}; + +enum strobe_modes { + STROBE_DISABLED, + STROBE_LONG, + STROBE_ENABLED, +}; + +struct vgxy61_mode_info { + u32 width; + u32 height; + enum bin_mode bin_mode; + struct v4l2_rect crop; +}; + +static const u32 vgxy61_supported_codes[] = { + MEDIA_BUS_FMT_Y8_1X8, + MEDIA_BUS_FMT_Y10_1X10, + MEDIA_BUS_FMT_Y12_1X12, + MEDIA_BUS_FMT_Y14_1X14, + MEDIA_BUS_FMT_Y16_1X16 +}; + +static const struct vgxy61_mode_info vgx661_mode_data[] = { + { + .width = VGX661_WIDTH, + .height = VGX661_HEIGHT, + .bin_mode = BIN_MODE_NORMAL, + .crop = { + .left = 0, + .top = 0, + .width = VGX661_WIDTH, + .height = VGX661_HEIGHT, + }, + }, + { + .width = 1280, + .height = 720, + .bin_mode = BIN_MODE_NORMAL, + .crop = { + .left = 92, + .top = 192, + .width = 1280, + .height = 720, + }, + }, + { + .width = 640, + .height = 480, + .bin_mode = BIN_MODE_DIGITAL_X2, + .crop = { + .left = 92, + .top = 72, + .width = 1280, + .height = 960, + }, + }, + { + .width = 320, + .height = 240, + .bin_mode = BIN_MODE_DIGITAL_X4, + .crop = { + .left = 92, + .top = 72, + .width = 1280, + .height = 960, + }, + }, +}; + +static const struct vgxy61_mode_info vgx761_mode_data[] = { + { + .width = VGX761_WIDTH, + .height = VGX761_HEIGHT, + .bin_mode = BIN_MODE_NORMAL, + .crop = { + .left = 0, + .top = 0, + .width = VGX761_WIDTH, + .height = VGX761_HEIGHT, + }, + }, + { + .width = 1920, + .height = 1080, + .bin_mode = BIN_MODE_NORMAL, + .crop = { + .left = 12, + .top = 62, + .width = 1920, + .height = 1080, + }, + }, + { + .width = 1280, + .height = 720, + .bin_mode = BIN_MODE_NORMAL, + .crop = { + .left = 332, + .top = 242, + .width = 1280, + .height = 720, + }, + }, + { + .width = 640, + .height = 480, + .bin_mode = BIN_MODE_DIGITAL_X2, + .crop = { + .left = 332, + .top = 122, + .width = 1280, + .height = 960, + }, + }, + { + .width = 320, + .height = 240, + .bin_mode = BIN_MODE_DIGITAL_X4, + .crop = { + .left = 332, + .top = 122, + .width = 1280, + .height = 960, + }, + }, +}; + +struct vgxy61_dev { + struct i2c_client *i2c_client; + struct v4l2_subdev sd; + struct media_pad pad; + struct regulator_bulk_data supplies[VGXY61_NUM_SUPPLIES]; + struct gpio_desc *reset_gpio; + struct clk *xclk; + u32 clk_freq; + int id; + int sensor_width; + int sensor_height; + u16 oif_ctrl; + int nb_of_lane; + int data_rate_in_mbps; + int pclk; + u16 line_length; + int rot_term; + bool gpios_polarity; + bool slave_mode; + /* Lock to protect all members below */ + struct mutex lock; + struct v4l2_ctrl_handler ctrl_handler; + struct v4l2_ctrl *pixel_rate_ctrl; + struct v4l2_ctrl *expo_ctrl; + struct v4l2_ctrl *vblank_ctrl; + struct v4l2_ctrl *vflip_ctrl; + struct v4l2_ctrl *hflip_ctrl; + bool streaming; + struct v4l2_mbus_framefmt fmt; + const struct vgxy61_mode_info *sensor_modes; + int sensor_modes_nb; + const struct vgxy61_mode_info *current_mode; + struct v4l2_fract frame_interval; + bool hflip; + bool vflip; + enum hdr hdr; + int expo_long; + int expo_short; + int expo_max; + int expo_min; + int vblank; + int vblank_min; + u16 frame_length; +}; + +static u8 get_bpp_by_code(__u32 code) +{ + switch (code) { + case MEDIA_BUS_FMT_Y8_1X8: + return 8; + case MEDIA_BUS_FMT_Y10_1X10: + return 10; + case MEDIA_BUS_FMT_Y12_1X12: + return 12; + case MEDIA_BUS_FMT_Y14_1X14: + return 14; + case MEDIA_BUS_FMT_Y16_1X16: + return 16; + default: + /* Should never happen */ + WARN(1, "Unsupported code %d. default to 8 bpp", code); + return 8; + } +} + +static u8 get_data_type_by_code(__u32 code) +{ + switch (code) { + case MEDIA_BUS_FMT_Y8_1X8: + return MIPI_CSI2_DT_RAW8; + case MEDIA_BUS_FMT_Y10_1X10: + return MIPI_CSI2_DT_RAW10; + case MEDIA_BUS_FMT_Y12_1X12: + return MIPI_CSI2_DT_RAW12; + case MEDIA_BUS_FMT_Y14_1X14: + return MIPI_CSI2_DT_RAW14; + case MEDIA_BUS_FMT_Y16_1X16: + return MIPI_CSI2_DT_RAW16; + default: + /* Should never happen */ + WARN(1, "Unsupported code %d. default to MIPI_CSI2_DT_RAW8 data type", code); + return MIPI_CSI2_DT_RAW8; + } +} + +static void compute_pll_parameters_by_freq(u32 freq, unsigned int *prediv, unsigned int *mult) +{ + const unsigned int predivs[] = {1, 2, 4}; + int i; + + /* + * Freq range is [6Mhz-27Mhz] already checked. + * Output of divider should be in [6Mhz-12Mhz[. + */ + for (i = 0; i < ARRAY_SIZE(predivs); i++) { + *prediv = predivs[i]; + if (freq / *prediv < 12 * HZ_PER_MHZ) + break; + } + WARN_ON(i == ARRAY_SIZE(predivs)); + + /* + * Target freq is 804Mhz. Don't change this as it will impact image quality. + */ + *mult = ((804 * HZ_PER_MHZ) * (*prediv) + freq / 2) / freq; +} + +static s32 get_pixel_rate(struct vgxy61_dev *sensor) +{ + return div64_u64((u64)sensor->data_rate_in_mbps * sensor->nb_of_lane, + get_bpp_by_code(sensor->fmt.code)); +} + +static inline struct vgxy61_dev *to_vgxy61_dev(struct v4l2_subdev *sd) +{ + return container_of(sd, struct vgxy61_dev, sd); +} + +static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl) +{ + return &container_of(ctrl->handler, struct vgxy61_dev, ctrl_handler)->sd; +} + +static int get_chunk_size(struct vgxy61_dev *sensor) +{ + struct i2c_adapter *adapter = sensor->i2c_client->adapter; + int max_write_len = VGXY61_WRITE_MULTIPLE_CHUNK_MAX; + + if (adapter->quirks && adapter->quirks->max_write_len) + max_write_len = adapter->quirks->max_write_len - 2; + + max_write_len = min(max_write_len, VGXY61_WRITE_MULTIPLE_CHUNK_MAX); + + return max(max_write_len, 1); +} + +static int vgxy61_read_multiple(struct vgxy61_dev *sensor, u16 reg, u8 *val, int len) +{ + struct i2c_client *client = sensor->i2c_client; + struct i2c_msg msg[2]; + u8 buf[2]; + int ret; + + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + + msg[0].addr = client->addr; + msg[0].flags = client->flags; + msg[0].buf = buf; + msg[0].len = sizeof(buf); + + msg[1].addr = client->addr; + msg[1].flags = client->flags | I2C_M_RD; + msg[1].buf = val; + msg[1].len = len; + + ret = i2c_transfer(client->adapter, msg, 2); + if (ret < 0) { + dev_dbg(&client->dev, "%s: %x i2c_transfer, reg: %x => %d\n", __func__, + client->addr, reg, ret); + return ret; + } + + return 0; +} + +static inline int vgxy61_read_reg(struct vgxy61_dev *sensor, u16 reg, u8 *val) +{ + return vgxy61_read_multiple(sensor, reg, val, sizeof(*val)); +} + +static inline int vgxy61_read_reg16(struct vgxy61_dev *sensor, u16 reg, u16 *val) +{ + return vgxy61_read_multiple(sensor, reg, (u8 *)val, sizeof(*val)); +} + +static int vgxy61_write_multiple(struct vgxy61_dev *sensor, u16 reg, const u8 *data, int len) +{ + struct i2c_client *client = sensor->i2c_client; + struct i2c_msg msg; + u8 buf[VGXY61_WRITE_MULTIPLE_CHUNK_MAX + 2]; + int i; + int ret; + + if (len > VGXY61_WRITE_MULTIPLE_CHUNK_MAX) + return -EINVAL; + buf[0] = reg >> 8; + buf[1] = reg & 0xff; + for (i = 0; i < len; i++) + buf[i + 2] = data[i]; + + msg.addr = client->addr; + msg.flags = client->flags; + msg.buf = buf; + msg.len = len + 2; + + ret = i2c_transfer(client->adapter, &msg, 1); + if (ret < 0) { + dev_dbg(&client->dev, "%s: i2c_transfer, reg: %x => %d\n", __func__, reg, ret); + return ret; + } + + return 0; +} + +static int vgxy61_write_array(struct vgxy61_dev *sensor, u16 reg, int nb, const u8 *array) +{ + const int chunk_size = get_chunk_size(sensor); + int ret; + int sz; + + while (nb) { + sz = min(nb, chunk_size); + ret = vgxy61_write_multiple(sensor, reg, array, sz); + if (ret < 0) + return ret; + nb -= sz; + reg += sz; + array += sz; + } + + return 0; +} + +static inline int vgxy61_write_reg(struct vgxy61_dev *sensor, u16 reg, u8 val) +{ + return vgxy61_write_multiple(sensor, reg, &val, sizeof(val)); +} + +static inline int vgxy61_write_reg16(struct vgxy61_dev *sensor, u16 reg, u16 val) +{ + return vgxy61_write_multiple(sensor, reg, (u8 *)&val, sizeof(val)); +} + +static inline int vgxy61_write_reg32(struct vgxy61_dev *sensor, u16 reg, u32 val) +{ + return vgxy61_write_multiple(sensor, reg, (u8 *)&val, sizeof(val)); +} + +static int vgxy61_poll_reg(struct vgxy61_dev *sensor, u16 reg, u8 poll_val, int timeout_ms) +{ + const int loop_delay_ms = 10; + u8 val; + int ret, timeout; + + timeout = read_poll_timeout(vgxy61_read_reg, ret, ((ret != 0) || (val == poll_val)), + loop_delay_ms * US_PER_MS, timeout_ms * US_PER_MS, false, + sensor, reg, &val); + if (timeout) + return timeout; + + return ret; +} + +static int vgxy61_wait_state(struct vgxy61_dev *sensor, int state, int timeout_ms) +{ + return vgxy61_poll_reg(sensor, DEVICE_SYSTEM_FSM, state, timeout_ms); +} + +static int vgxy61_check_bw(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + /* Correction factor for time required between 2 lines */ + const int mipi_margin = 1056; + int binning_scale = sensor->current_mode->crop.height / sensor->current_mode->height; + int bpp = get_bpp_by_code(sensor->fmt.code); + int max_bit_per_line; + int bit_per_line; + u64 line_rate; + + line_rate = sensor->nb_of_lane * (u64)sensor->data_rate_in_mbps * sensor->line_length; + max_bit_per_line = div64_u64(line_rate, sensor->pclk) - mipi_margin; + bit_per_line = (bpp * sensor->current_mode->width) / binning_scale; + + dev_dbg(&client->dev, "max_bit_per_line = %d\n", max_bit_per_line); + dev_dbg(&client->dev, "required bit_per_line = %d\n", bit_per_line); + + return bit_per_line > max_bit_per_line ? -EINVAL : 0; +} + +static int apply_exposure(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + int ret; + + /* We first set expo to zero to avoid forbidden parameters couple */ + ret = vgxy61_write_reg16(sensor, DEVICE_COARSE_EXPOSURE_SHORT, 0); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_COARSE_EXPOSURE_LONG, sensor->expo_long); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_COARSE_EXPOSURE_SHORT, sensor->expo_short); + if (ret) + return ret; + + dev_dbg(&client->dev, "%s applied expo %d (short: %d)\n", __func__, + sensor->expo_long, sensor->expo_short); + + return 0; +} + +static int set_frame_rate(struct vgxy61_dev *sensor) +{ + return vgxy61_write_reg16(sensor, DEVICE_FRAME_LENGTH, sensor->frame_length); +} + +static int vgxy61_get_regulators(struct vgxy61_dev *sensor) +{ + int i; + + for (i = 0; i < VGXY61_NUM_SUPPLIES; i++) + sensor->supplies[i].supply = vgxy61_supply_name[i]; + + return devm_regulator_bulk_get(&sensor->i2c_client->dev, VGXY61_NUM_SUPPLIES, + sensor->supplies); +} + +static int vgxy61_apply_reset(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + + dev_dbg(&client->dev, "%s applied reset\n", __func__); + gpiod_set_value_cansleep(sensor->reset_gpio, 0); + usleep_range(5000, 10000); + gpiod_set_value_cansleep(sensor->reset_gpio, 1); + usleep_range(5000, 10000); + gpiod_set_value_cansleep(sensor->reset_gpio, 0); + usleep_range(40000, 100000); + return vgxy61_wait_state(sensor, SW_STBY, VGXY61_TIMEOUT_MS); +} + +static int vgxy61_try_fmt_internal(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *fmt, + const struct vgxy61_mode_info **new_mode) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + const struct vgxy61_mode_info *mode = sensor->sensor_modes; + unsigned int index; + + /* Select code */ + for (index = 0; index < ARRAY_SIZE(vgxy61_supported_codes); index++) { + if (vgxy61_supported_codes[index] == fmt->code) + break; + } + if (index == ARRAY_SIZE(vgxy61_supported_codes)) + index = 0; + + /* Select size */ + mode = v4l2_find_nearest_size(sensor->sensor_modes, sensor->sensor_modes_nb, + width, height, fmt->width, fmt->height); + if (new_mode) + *new_mode = mode; + + fmt->code = vgxy61_supported_codes[index]; + fmt->width = mode->width; + fmt->height = mode->height; + fmt->colorspace = V4L2_COLORSPACE_RAW; + fmt->field = V4L2_FIELD_NONE; + fmt->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + fmt->quantization = V4L2_QUANTIZATION_DEFAULT; + fmt->xfer_func = V4L2_XFER_FUNC_DEFAULT; + + return 0; +} + +static int vgxy61_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_selection *sel) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + + switch (sel->target) { + case V4L2_SEL_TGT_CROP: + sel->r = sensor->current_mode->crop; + return 0; + case V4L2_SEL_TGT_NATIVE_SIZE: + case V4L2_SEL_TGT_CROP_DEFAULT: + case V4L2_SEL_TGT_CROP_BOUNDS: + sel->r.top = 0; + sel->r.left = 0; + sel->r.width = sensor->sensor_width; + sel->r.height = sensor->sensor_height; + return 0; + } + + return -EINVAL; +} + +static int vgxy61_stream_enable(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->sd); + const struct v4l2_rect *crop = &sensor->current_mode->crop; + int ret; + + ret = vgxy61_check_bw(sensor); + if (ret) + return ret; + + ret = pm_runtime_get_sync(&client->dev); + if (ret < 0) { + pm_runtime_put_noidle(&client->dev); + return ret; + } + + /* Configure sensor */ + ret = vgxy61_write_reg(sensor, DEVICE_FORMAT_CTRL, get_bpp_by_code(sensor->fmt.code)); + if (ret) + goto err_rpm_put; + ret = vgxy61_write_reg(sensor, DEVICE_OIF_ROI0_CTRL, + get_data_type_by_code(sensor->fmt.code)); + if (ret) + goto err_rpm_put; + + ret = vgxy61_write_reg(sensor, DEVICE_READOUT_CTRL, sensor->current_mode->bin_mode); + if (ret) + goto err_rpm_put; + ret = vgxy61_write_reg16(sensor, DEVICE_ROI0_START_H, crop->left); + if (ret) + goto err_rpm_put; + ret = vgxy61_write_reg16(sensor, DEVICE_ROI0_END_H, crop->left + crop->width - 1); + if (ret) + goto err_rpm_put; + ret = vgxy61_write_reg16(sensor, DEVICE_ROI0_START_V, crop->top); + if (ret) + goto err_rpm_put; + ret = vgxy61_write_reg16(sensor, DEVICE_ROI0_END_V, crop->top + crop->height - 1); + if (ret) + goto err_rpm_put; + + ret = set_frame_rate(sensor); + if (ret) + goto err_rpm_put; + + ret = apply_exposure(sensor); + if (ret) + goto err_rpm_put; + + /* Start streaming */ + ret = vgxy61_write_reg(sensor, DEVICE_STREAMING, REQ_START_STREAMING); + if (ret) + goto err_rpm_put; + + ret = vgxy61_poll_reg(sensor, DEVICE_STREAMING, REQ_NO_REQUEST, VGXY61_TIMEOUT_MS); + if (ret) + goto err_rpm_put; + + ret = vgxy61_wait_state(sensor, STREAMING, VGXY61_TIMEOUT_MS); + if (ret) + goto err_rpm_put; + + /* vflip and hflip cannot change during streaming */ + __v4l2_ctrl_grab(sensor->vflip_ctrl, true); + __v4l2_ctrl_grab(sensor->hflip_ctrl, true); + + return 0; + +err_rpm_put: + pm_runtime_put(&client->dev); + return ret; +} + +static int vgxy61_stream_disable(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = v4l2_get_subdevdata(&sensor->sd); + int ret; + + ret = vgxy61_write_reg(sensor, DEVICE_STREAMING, REQ_STOP_STREAMING); + if (ret) + return ret; + + ret = vgxy61_poll_reg(sensor, DEVICE_STREAMING, REQ_NO_REQUEST, 2000); + if (ret) + return ret; + + ret = vgxy61_wait_state(sensor, SW_STBY, VGXY61_TIMEOUT_MS); + if (ret) + return ret; + + __v4l2_ctrl_grab(sensor->vflip_ctrl, true); + __v4l2_ctrl_grab(sensor->hflip_ctrl, true); + + pm_runtime_put(&client->dev); + + return 0; +} + +static int vgxy61_s_stream(struct v4l2_subdev *sd, int enable) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + struct i2c_client *client = sensor->i2c_client; + int ret = 0; + + mutex_lock(&sensor->lock); + dev_dbg(&client->dev, "%s : requested %d / current = %d\n", __func__, enable, + sensor->streaming); + if (sensor->streaming == enable) + goto out; + + ret = enable ? vgxy61_stream_enable(sensor) : vgxy61_stream_disable(sensor); + if (!ret) + sensor->streaming = enable; + +out: + dev_dbg(&client->dev, "%s current now = %d / %d\n", __func__, sensor->streaming, ret); + mutex_unlock(&sensor->lock); + + return ret; +} + +static int vgxy61_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_mbus_code_enum *code) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + struct i2c_client *client = sensor->i2c_client; + + dev_dbg(&client->dev, "%s probe index %d\n", __func__, code->index); + if (code->index >= ARRAY_SIZE(vgxy61_supported_codes)) + return -EINVAL; + + code->code = vgxy61_supported_codes[code->index]; + + return 0; +} + +static int vgxy61_get_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_format *format) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + struct i2c_client *client = sensor->i2c_client; + struct v4l2_mbus_framefmt *fmt; + + dev_dbg(&client->dev, "%s probe %d\n", __func__, format->pad); + dev_dbg(&client->dev, "%s %dx%d\n", __func__, format->format.width, format->format.height); + + mutex_lock(&sensor->lock); + + if (format->which == V4L2_SUBDEV_FORMAT_TRY) + fmt = v4l2_subdev_get_try_format(&sensor->sd, sd_state, format->pad); + else + fmt = &sensor->fmt; + + format->format = *fmt; + + mutex_unlock(&sensor->lock); + + return 0; +} + +static int vgxy61_get_vblank_min(struct vgxy61_dev *sensor, enum hdr hdr) +{ + int min_vblank = VGXY61_MIN_FRAME_LENGTH - sensor->current_mode->crop.height; + /* Ensure the first tule of thumb can't be negative */ + int min_vblank_hdr = VGXY61_MIN_EXPOSURE + sensor->rot_term + 1; + + if (hdr != NO_HDR) + return max(min_vblank, min_vblank_hdr); + return min_vblank; +} + +static int vgxy61_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_frame_size_enum *fse) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + struct i2c_client *client = sensor->i2c_client; + + dev_dbg(&client->dev, "%s for index %d\n", __func__, fse->index); + if (fse->index >= sensor->sensor_modes_nb) + return -EINVAL; + + fse->min_width = sensor->sensor_modes[fse->index].width; + fse->max_width = fse->min_width; + fse->min_height = sensor->sensor_modes[fse->index].height; + fse->max_height = fse->min_height; + + return 0; +} + +static int vgxy61_update_analog_gain(struct vgxy61_dev *sensor, u32 target) +{ + struct i2c_client *client = sensor->i2c_client; + int ret; + + /* Apply gain */ + ret = vgxy61_write_reg(sensor, DEVICE_ANALOG_GAIN, target); + if (ret) + return ret; + + dev_dbg(&client->dev, "Set analog gain: 0x%04x\n", target); + + return 0; +} + +static int vgxy61_update_digital_gain(struct vgxy61_dev *sensor, u32 target) +{ + struct i2c_client *client = sensor->i2c_client; + int ret; + + /* + * For a monochrome version, configuring DIGITAL_GAIN_LONG_CH0 and + * DIGITAL_GAIN_SHORT_CH0 is enough to configure the gain of all + * four sub pixels. + */ + ret = vgxy61_write_reg16(sensor, DEVICE_DIGITAL_GAIN_LONG, target); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_DIGITAL_GAIN_SHORT, target); + if (ret) + return ret; + + dev_dbg(&client->dev, "Set digital gain: 0x%04x\n", target); + + return 0; +} + +static int vgxy61_update_patgen(struct vgxy61_dev *sensor, u32 index) +{ + u32 pattern = index <= 3 ? index : index + 12; + u32 reg; + + reg = (pattern << 18) | (pattern << 4); + if (index) + reg |= (1 << 16) | 1; + return vgxy61_write_reg32(sensor, DEVICE_PATGEN_CTRL, reg); +} + +static int vgxy61_update_gpiox_strobe_mode(struct vgxy61_dev *sensor, enum strobe_modes mode, + int idx) +{ + const u8 index2val[] = {0x0, 0x1, 0x3}; + u16 reg; + int ret; + + ret = vgxy61_read_reg16(sensor, DEVICE_SIGNALS_CTRL, ®); + if (ret) + return ret; + reg &= ~(0xf << (idx * 4)); + reg |= index2val[mode] << (idx * 4); + + return vgxy61_write_reg16(sensor, DEVICE_SIGNALS_CTRL, reg); +} + +static int vgxy61_update_gpios_strobe_mode(struct vgxy61_dev *sensor, enum hdr hdr) +{ + enum strobe_modes strobe_mode; + int i, ret; + + switch (hdr) { + case HDR_LINEAR: + strobe_mode = STROBE_ENABLED; + break; + case HDR_SUB: + case NO_HDR: + strobe_mode = STROBE_LONG; + break; + default: + /* Should never happen */ + WARN_ON(true); + break; + } + + for (i = 0; i < VGXY61_NB_GPIOS; i++) { + ret = vgxy61_update_gpiox_strobe_mode(sensor, strobe_mode, i); + if (ret) + return ret; + } + + return 0; +} + +static int vgxy61_update_gpios_strobe_polarity(struct vgxy61_dev *sensor, int polarity) +{ + struct i2c_client *client = sensor->i2c_client; + int ret; + + if (sensor->streaming) + return -EBUSY; + + dev_dbg(&client->dev, "setting gpios polarity: %d\n", polarity); + + ret = vgxy61_write_reg(sensor, DEVICE_GPIO_0_CTRL, polarity << 1); + if (ret) + return ret; + ret = vgxy61_write_reg(sensor, DEVICE_GPIO_1_CTRL, polarity << 1); + if (ret) + return ret; + ret = vgxy61_write_reg(sensor, DEVICE_GPIO_2_CTRL, polarity << 1); + if (ret) + return ret; + ret = vgxy61_write_reg(sensor, DEVICE_GPIO_3_CTRL, polarity << 1); + if (ret) + return ret; + return vgxy61_write_reg(sensor, DEVICE_SIGNALS_POLARITY_CTRL, polarity); +} + +static int vgxy61_get_expo_long_max(struct vgxy61_dev *sensor, int short_expo_ratio) +{ + int first_rot_max_expo, second_rot_max_expo, third_rot_max_expo; + + /* Apply sensor rule of thumbs */ + /* Avoid bad pixel line at the botom of the image */ + first_rot_max_expo = + ((sensor->frame_length - sensor->current_mode->crop.height - sensor->rot_term) * + short_expo_ratio) - 1; + + /* Avoid sensor crash */ + second_rot_max_expo = + (((sensor->frame_length - VGXY61_EXPOS_ROT_TERM) * short_expo_ratio) / + (short_expo_ratio + 1)) - 1; + + /* Avoid sensor crash */ + third_rot_max_expo = (sensor->frame_length / 71) * short_expo_ratio; + + /* Take the minimum from all rules */ + return min(min(first_rot_max_expo, second_rot_max_expo), third_rot_max_expo); +} + +static int vgxy61_update_exposure(struct vgxy61_dev *sensor, int new_expo_long, enum hdr hdr) +{ + struct i2c_client *client = sensor->i2c_client; + int new_expo_short = 0; + int expo_short_max = 0; + int expo_long_min = VGXY61_MIN_EXPOSURE; + int expo_long_max; + + /* Compute short exposure according to hdr mode and long exposure */ + switch (hdr) { + case HDR_LINEAR: + /* Take ratio into account for minimal exposures in HDR_LINEAR */ + expo_long_min = VGXY61_MIN_EXPOSURE * VGXY61_HDR_LINEAR_RATIO; + new_expo_long = max(expo_long_min, new_expo_long); + + expo_long_max = vgxy61_get_expo_long_max(sensor, VGXY61_HDR_LINEAR_RATIO); + expo_short_max = + (expo_long_max + (VGXY61_HDR_LINEAR_RATIO / 2)) / VGXY61_HDR_LINEAR_RATIO; + new_expo_short = + (new_expo_long + (VGXY61_HDR_LINEAR_RATIO / 2)) / VGXY61_HDR_LINEAR_RATIO; + break; + case HDR_SUB: + new_expo_long = max(expo_long_min, new_expo_long); + + expo_long_max = vgxy61_get_expo_long_max(sensor, 1); + /* Short and long are the same in HDR_SUB */ + expo_short_max = expo_long_max; + new_expo_short = new_expo_long; + break; + case NO_HDR: + new_expo_long = max(expo_long_min, new_expo_long); + + /* + * As short expo is 0 here, only the second rule of thumb applies, see + * vgxy61_get_expo_long_max for more + */ + expo_long_max = sensor->frame_length - VGXY61_EXPOS_ROT_TERM; + break; + default: + /* Should never happen */ + WARN_ON(true); + break; + } + + /* If this happens, something is wrong with formulas */ + WARN_ON(expo_long_min > expo_long_max); + + if (new_expo_long > expo_long_max) { + dev_warn(&client->dev, "Exposure %d too high, clamping to %d\n", + new_expo_long, expo_long_max); + new_expo_long = expo_long_max; + new_expo_short = expo_short_max; + } + + dev_dbg(&client->dev, "frame_length %d, new_expo_long %d, new_expo_short %d\n", + sensor->frame_length, new_expo_long, new_expo_short); + dev_dbg(&client->dev, "expo_long_min %d, expo_long_max %d\n", + expo_long_min, expo_long_max); + + /* Apply exposure */ + sensor->expo_long = new_expo_long; + sensor->expo_short = new_expo_short; + sensor->expo_max = expo_long_max; + sensor->expo_min = expo_long_min; + + if (sensor->streaming) + return apply_exposure(sensor); + return 0; +} + +static int vgxy61_update_vblank(struct vgxy61_dev *sensor, int vblank, int hdr) +{ + int ret; + + sensor->vblank_min = vgxy61_get_vblank_min(sensor, hdr); + sensor->vblank = max(sensor->vblank_min, vblank); + sensor->frame_length = sensor->current_mode->crop.height + sensor->vblank; + + /* Update exposure according to vblank */ + ret = vgxy61_update_exposure(sensor, sensor->expo_long, hdr); + if (ret) + return ret; + + if (sensor->streaming) + return set_frame_rate(sensor); + return 0; +} + +static int vgxy61_update_hdr(struct vgxy61_dev *sensor, u32 index) +{ + const u8 index2val[] = {0x1, 0x4, 0xa}; + int ret; + + /* + * vblank and short exposure change according to HDR mode, do it first as it can + * violate sensors 'rule of thumbs' and therefore will require to change the long exposure + */ + ret = vgxy61_update_vblank(sensor, sensor->vblank, index); + if (ret) + return ret; + + /* Update strobe mode according to HDR */ + ret = vgxy61_update_gpios_strobe_mode(sensor, index); + if (ret) + return ret; + + ret = vgxy61_write_reg(sensor, DEVICE_HDR_CTRL, index2val[index]); + if (ret) + return ret; + sensor->hdr = index; + + return 0; +} + +static int vgxy61_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_format *format) +{ + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + struct i2c_client *client = sensor->i2c_client; + const struct vgxy61_mode_info *new_mode; + struct v4l2_mbus_framefmt *fmt; + int ret; + + dev_dbg(&client->dev, "%s probe %d\n", __func__, format->pad); + dev_dbg(&client->dev, "%s %dx%d\n", __func__, format->format.width, format->format.height); + + mutex_lock(&sensor->lock); + + if (sensor->streaming) { + ret = -EBUSY; + goto out; + } + + /* Find best format */ + ret = vgxy61_try_fmt_internal(sd, &format->format, &new_mode); + if (ret) + goto out; + + if (format->which == V4L2_SUBDEV_FORMAT_TRY) { + fmt = v4l2_subdev_get_try_format(sd, sd_state, 0); + *fmt = format->format; + } else if (sensor->current_mode != new_mode || sensor->fmt.code != format->format.code) { + fmt = &sensor->fmt; + *fmt = format->format; + + sensor->current_mode = new_mode; + + /* Reset vblank and framelength to default */ + ret = vgxy61_update_vblank(sensor, + VGXY61_FRAME_LENGTH_DEF - + sensor->current_mode->crop.height, + sensor->hdr); + + /* Update controls to reflect new mode */ + __v4l2_ctrl_s_ctrl_int64(sensor->pixel_rate_ctrl, get_pixel_rate(sensor)); + __v4l2_ctrl_modify_range(sensor->vblank_ctrl, sensor->vblank_min, + 0xffff - sensor->current_mode->crop.height, 1, + sensor->vblank); + __v4l2_ctrl_s_ctrl(sensor->vblank_ctrl, sensor->vblank); + __v4l2_ctrl_modify_range(sensor->expo_ctrl, sensor->expo_min, + sensor->expo_max, 1, + sensor->expo_long); + } + +out: + mutex_unlock(&sensor->lock); + + return ret; +} + +static int vgxy61_get_temp_stream_enabled(struct vgxy61_dev *sensor, int *temp) +{ + int ret; + u16 temperature; + + ret = vgxy61_read_reg16(sensor, DEVICE_THSENS1_TEMPERATURE, &temperature); + if (ret) + return ret; + + /* Temperature is expressed in Kelvin in Q10.2 fixed point format*/ + temperature = (temperature & 0x0fff) >> 2; + temperature = kelvin_to_celsius(temperature); + + *temp = temperature; + + return 0; +} + +static int vgxy61_get_temp_stream_disabled(struct vgxy61_dev *sensor, int *temp) +{ + int ret; + + /* Device needs to be in standby mode if streaming is off */ + ret = vgxy61_write_reg(sensor, DEVICE_STBY, STBY_REQ_TMP_READ); + if (ret) + return ret; + ret = vgxy61_poll_reg(sensor, DEVICE_STBY, STBY_NO_REQ, VGXY61_TIMEOUT_MS); + if (ret) + return ret; + + return vgxy61_get_temp_stream_enabled(sensor, temp); +} + +static int vgxy61_get_temp(struct vgxy61_dev *sensor, int *temp) +{ + *temp = 0; + if (sensor->streaming) + return vgxy61_get_temp_stream_enabled(sensor, temp); + else + return vgxy61_get_temp_stream_disabled(sensor, temp); +} + +static int vgxy61_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = ctrl_to_sd(ctrl); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + int ret; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + ret = vgxy61_update_exposure(sensor, ctrl->val, sensor->hdr); + ctrl->val = sensor->expo_long; + break; + case V4L2_CID_ANALOGUE_GAIN: + ret = vgxy61_update_analog_gain(sensor, ctrl->val); + break; + case V4L2_CID_DIGITAL_GAIN: + ret = vgxy61_update_digital_gain(sensor, ctrl->val); + break; + case V4L2_CID_VFLIP: + case V4L2_CID_HFLIP: + if (sensor->streaming) { + ret = -EBUSY; + break; + } + if (ctrl->id == V4L2_CID_VFLIP) + sensor->vflip = ctrl->val; + if (ctrl->id == V4L2_CID_HFLIP) + sensor->hflip = ctrl->val; + ret = vgxy61_write_reg(sensor, DEVICE_ORIENTATION, + sensor->hflip | (sensor->vflip << 1)); + break; + case V4L2_CID_TEST_PATTERN: + ret = vgxy61_update_patgen(sensor, ctrl->val); + break; + case V4L2_CID_HDR: + ret = vgxy61_update_hdr(sensor, ctrl->val); + /* Update vblank and exposure controls to match new hdr */ + __v4l2_ctrl_modify_range(sensor->vblank_ctrl, sensor->vblank_min, + 0xffff - sensor->current_mode->crop.height, 1, + sensor->vblank); + __v4l2_ctrl_modify_range(sensor->expo_ctrl, sensor->expo_min, + sensor->expo_max, 1, sensor->expo_long); + break; + case V4L2_CID_VBLANK: + ret = vgxy61_update_vblank(sensor, ctrl->val, sensor->hdr); + /* Update exposure control to match new vblank */ + __v4l2_ctrl_modify_range(sensor->expo_ctrl, sensor->expo_min, + sensor->expo_max, 1, sensor->expo_long); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static int vgxy61_g_volatile_ctrl(struct v4l2_ctrl *ctrl) +{ + struct v4l2_subdev *sd = ctrl_to_sd(ctrl); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + int ret; + + switch (ctrl->id) { + case V4L2_CID_TEMPERATURE: + ret = vgxy61_get_temp(sensor, &ctrl->val); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + +static const struct v4l2_ctrl_ops vgxy61_ctrl_ops = { + .g_volatile_ctrl = vgxy61_g_volatile_ctrl, + .s_ctrl = vgxy61_s_ctrl, +}; + +static const struct v4l2_ctrl_config vgxy61_hdr_ctrl = { + .ops = &vgxy61_ctrl_ops, + .id = V4L2_CID_HDR, + .name = "HDR mode", + .type = V4L2_CTRL_TYPE_MENU, + .min = 0, + .max = ARRAY_SIZE(vgxy61_hdr_modes) - 1, + .def = NO_HDR, + .qmenu = vgxy61_hdr_modes, +}; + +static int vgxy61_init_controls(struct vgxy61_dev *sensor) +{ + const struct v4l2_ctrl_ops *ops = &vgxy61_ctrl_ops; + struct v4l2_ctrl_handler *hdl = &sensor->ctrl_handler; + struct v4l2_ctrl *ctrl; + int ret; + + v4l2_ctrl_handler_init(hdl, 16); + mutex_init(&sensor->lock); + /* We can use our own mutex for the ctrl lock */ + hdl->lock = &sensor->lock; + /* Standard controls */ + v4l2_ctrl_new_std(hdl, ops, V4L2_CID_ANALOGUE_GAIN, 0, 0x1c, 1, 0x0); + v4l2_ctrl_new_std(hdl, ops, V4L2_CID_DIGITAL_GAIN, 0, 0xfff, 1, 256); + v4l2_ctrl_new_std(hdl, ops, V4L2_CID_TEMPERATURE, -128, 128, 1, 0); + v4l2_ctrl_new_std_menu_items(hdl, ops, V4L2_CID_TEST_PATTERN, + ARRAY_SIZE(vgxy61_test_pattern_menu) - 1, 0, 0, + vgxy61_test_pattern_menu); + v4l2_ctrl_new_custom(hdl, &vgxy61_hdr_ctrl, NULL); + ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HBLANK, 0, sensor->line_length, 1, + sensor->line_length - sensor->current_mode->width); + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + /* Custom controls */ + ctrl = v4l2_ctrl_new_int_menu(hdl, ops, V4L2_CID_LINK_FREQ, ARRAY_SIZE(link_freq) - 1, 0, + link_freq); + ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + /* Keep a pointer to these controls as we need to update them when setting the format */ + sensor->pixel_rate_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_PIXEL_RATE, 1, INT_MAX, 1, + get_pixel_rate(sensor)); + sensor->pixel_rate_ctrl->flags |= V4L2_CTRL_FLAG_READ_ONLY; + sensor->expo_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_EXPOSURE, sensor->expo_min, + sensor->expo_max, 1, sensor->expo_long); + sensor->vblank_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VBLANK, sensor->vblank_min, + 0xffff - sensor->current_mode->crop.height, 1, + sensor->vblank); + sensor->vflip_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_VFLIP, 0, 1, 1, sensor->vflip); + sensor->hflip_ctrl = v4l2_ctrl_new_std(hdl, ops, V4L2_CID_HFLIP, 0, 1, 1, sensor->hflip); + + if (hdl->error) { + ret = hdl->error; + goto free_ctrls; + } + + sensor->sd.ctrl_handler = hdl; + return 0; + +free_ctrls: + v4l2_ctrl_handler_free(hdl); + mutex_destroy(&sensor->lock); + return ret; +} + +static const struct v4l2_subdev_core_ops vgxy61_core_ops = { +}; + +static const struct v4l2_subdev_video_ops vgxy61_video_ops = { + .s_stream = vgxy61_s_stream, +}; + +static const struct v4l2_subdev_pad_ops vgxy61_pad_ops = { + .enum_mbus_code = vgxy61_enum_mbus_code, + .get_fmt = vgxy61_get_fmt, + .set_fmt = vgxy61_set_fmt, + .get_selection = vgxy61_get_selection, + .enum_frame_size = vgxy61_enum_frame_size, +}; + +static const struct v4l2_subdev_ops vgxy61_subdev_ops = { + .core = &vgxy61_core_ops, + .video = &vgxy61_video_ops, + .pad = &vgxy61_pad_ops, +}; + +static const struct media_entity_operations vgxy61_subdev_entity_ops = { + .link_validate = v4l2_subdev_link_validate, +}; + +/* Set phy polarities */ +static int vgxy61_tx_from_ep(struct vgxy61_dev *sensor, struct fwnode_handle *endpoint) +{ + struct v4l2_fwnode_endpoint ep = { .bus_type = V4L2_MBUS_CSI2_DPHY }; + struct i2c_client *client = sensor->i2c_client; + u32 log2phy[VGXY61_NB_POLARITIES] = {~0, ~0, ~0, ~0, ~0}; + u32 phy2log[VGXY61_NB_POLARITIES] = {~0, ~0, ~0, ~0, ~0}; + int polarities[VGXY61_NB_POLARITIES] = {0, 0, 0, 0, 0}; + int l_nb; + int p, l; + int ret; + int i; + + ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &ep); + if (ret) + goto error_alloc; + + l_nb = ep.bus.mipi_csi2.num_data_lanes; + if (l_nb != 1 && l_nb != 2 && l_nb != 4) { + dev_err(&client->dev, "invalid data lane number %d\n", l_nb); + goto error_ep; + } + + /* Build log2phy, phy2log and polarities from ep info */ + log2phy[0] = ep.bus.mipi_csi2.clock_lane; + phy2log[log2phy[0]] = 0; + for (l = 1; l < l_nb + 1; l++) { + log2phy[l] = ep.bus.mipi_csi2.data_lanes[l - 1]; + phy2log[log2phy[l]] = l; + } + /* + * Then fill remaining slots for every physical slot to have something valid for hardware + * stuff. + */ + for (p = 0; p < VGXY61_NB_POLARITIES; p++) { + if (phy2log[p] != ~0) + continue; + phy2log[p] = l; + log2phy[l] = p; + l++; + } + for (l = 0; l < l_nb + 1; l++) + polarities[l] = ep.bus.mipi_csi2.lane_polarities[l]; + + if (log2phy[0] != 0) { + dev_err(&client->dev, "clk lane must be map to physical lane 0\n"); + goto error_ep; + } + sensor->oif_ctrl = (polarities[4] << 15) + ((phy2log[4] - 1) << 13) + + (polarities[3] << 12) + ((phy2log[3] - 1) << 10) + + (polarities[2] << 9) + ((phy2log[2] - 1) << 7) + + (polarities[1] << 6) + ((phy2log[1] - 1) << 4) + + (polarities[0] << 3) + + l_nb; + sensor->nb_of_lane = l_nb; + + dev_dbg(&client->dev, "tx uses %d lanes", l_nb); + for (i = 0; i < 5; i++) { + dev_dbg(&client->dev, "log2phy[%d] = %d\n", i, log2phy[i]); + dev_dbg(&client->dev, "phy2log[%d] = %d\n", i, phy2log[i]); + dev_dbg(&client->dev, "polarity[%d] = %d\n", i, polarities[i]); + } + dev_dbg(&client->dev, "oif_ctrl = 0x%04x\n", sensor->oif_ctrl); + + v4l2_fwnode_endpoint_free(&ep); + + return 0; + +error_ep: + v4l2_fwnode_endpoint_free(&ep); +error_alloc: + + return -EINVAL; +} + +static int vgxy61_configure(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + int sensor_freq; + unsigned int prediv; + unsigned int mult; + int ret; + + compute_pll_parameters_by_freq(sensor->clk_freq, &prediv, &mult); + sensor_freq = (mult * sensor->clk_freq) / prediv; + /* Frequency to data rate is 1:1 ratio for MIPI */ + sensor->data_rate_in_mbps = sensor_freq; + /* Video timing ISP path (pixel clock) requires 804/5 mhz = 160 mhz */ + sensor->pclk = sensor_freq / 5; + + /* Cache line_length value */ + ret = vgxy61_read_reg16(sensor, DEVICE_LINE_LENGTH, &sensor->line_length); + if (ret) + return ret; + /* Configure clocks */ + ret = vgxy61_write_reg32(sensor, DEVICE_EXT_CLOCK, sensor->clk_freq); + if (ret) + return ret; + ret = vgxy61_write_reg(sensor, DEVICE_CLK_PLL_PREDIV, prediv); + if (ret) + return ret; + ret = vgxy61_write_reg(sensor, DEVICE_CLK_SYS_PLL_MULT, mult); + if (ret) + return ret; + /* Configure interface */ + ret = vgxy61_write_reg16(sensor, DEVICE_OIF_CTRL, sensor->oif_ctrl); + if (ret) + return ret; + /* Disable pwm compression */ + ret = vgxy61_write_reg(sensor, DEVICE_FRAME_CONTENT_CTRL, 0); + if (ret) + return ret; + /* Disable asil lines */ + ret = vgxy61_write_reg(sensor, DEVICE_BYPASS_CTRL, 4); + if (ret) + return ret; + /* Set gpios polarity according to device tree value */ + ret = vgxy61_update_gpios_strobe_polarity(sensor, sensor->gpios_polarity); + if (ret) + return ret; + /* Slave mode */ + ret = vgxy61_write_reg(sensor, DEVICE_VT_CTRL, sensor->slave_mode); + if (ret) + return ret; + /* Set pattern generator solid to middle value */ + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_LONG_DATA_GR, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_LONG_DATA_R, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_LONG_DATA_B, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_LONG_DATA_GB, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_SHORT_DATA_GR, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_SHORT_DATA_R, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_SHORT_DATA_B, 0x800); + if (ret) + return ret; + ret = vgxy61_write_reg16(sensor, DEVICE_PATGEN_SHORT_DATA_GB, 0x800); + if (ret) + return ret; + + dev_dbg(&client->dev, "clock prediv = %d\n", prediv); + dev_dbg(&client->dev, "clock mult = %d\n", mult); + dev_dbg(&client->dev, "data rate = %d mbps\n", + sensor->data_rate_in_mbps); + + return 0; +} + +static int vgxy61_patch(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + u16 patch; + int ret; + + ret = vgxy61_write_array(sensor, DEVICE_FWPATCH_START_ADDR, sizeof(patch_array), + patch_array); + if (ret) + return ret; + + ret = vgxy61_write_reg(sensor, DEVICE_STBY, 0x10); + if (ret) + return ret; + + ret = vgxy61_poll_reg(sensor, DEVICE_STBY, 0, VGXY61_TIMEOUT_MS); + if (ret) + return ret; + + ret = vgxy61_read_reg16(sensor, DEVICE_FWPATCH_REVISION, &patch); + if (ret) + return ret; + + if (patch != (DEVICE_FWPATCH_REVISION_MAJOR << 12) + + (DEVICE_FWPATCH_REVISION_MINOR << 8) + + DEVICE_FWPATCH_REVISION_MICRO) { + dev_err(&client->dev, "bad patch version expected %d.%d.%d got %d.%d.%d\n", + DEVICE_FWPATCH_REVISION_MAJOR, + DEVICE_FWPATCH_REVISION_MINOR, + DEVICE_FWPATCH_REVISION_MICRO, + patch >> 12, (patch >> 8) & 0x0f, patch & 0xff); + return -ENODEV; + } + dev_dbg(&client->dev, "patch %d.%d.%d applied\n", + patch >> 12, (patch >> 8) & 0x0f, patch & 0xff); + + return 0; +} + +static int vgxy61_detect_cut_version(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + u16 device_rev; + int ret; + + ret = vgxy61_read_reg16(sensor, DEVICE_REVISION, &device_rev); + if (ret) + return ret; + + switch (device_rev >> 8) { + case 0xA: + dev_dbg(&client->dev, "Cut1 detected\n"); + dev_err(&client->dev, "Cut1 not supported by this driver\n"); + return -ENODEV; + case 0xB: + dev_dbg(&client->dev, "Cut2 detected\n"); + return 0; + case 0xC: + dev_dbg(&client->dev, "Cut3 detected\n"); + return 0; + default: + dev_err(&client->dev, "Unable to detect cut version\n"); + return -ENODEV; + } +} + +static int vgxy61_detect(struct vgxy61_dev *sensor) +{ + struct i2c_client *client = sensor->i2c_client; + u16 id = 0; + int ret; + u8 st; + + ret = vgxy61_read_reg16(sensor, DEVICE_MODEL_ID_REG, &id); + if (ret) + return ret; + if (id != VG5661_MODEL_ID && id != VG5761_MODEL_ID) { + dev_warn(&client->dev, "Unsupported sensor id %x\n", id); + return -ENODEV; + } + dev_dbg(&client->dev, "detected sensor id = 0x%04x\n", id); + sensor->id = id; + + ret = vgxy61_wait_state(sensor, SW_STBY, VGXY61_TIMEOUT_MS); + if (ret) + return ret; + + ret = vgxy61_read_reg(sensor, DEVICE_NVM, &st); + if (ret) + return ret; + if (st != NVM_OK) + dev_warn(&client->dev, "Bad nvm state got %d\n", st); + + /* Detect cut version */ + ret = vgxy61_detect_cut_version(sensor); + if (ret) + return ret; + + return 0; +} + +/* Power/clock management functions */ +static int vgxy61_power_on(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + int ret; + + ret = vgxy61_get_regulators(sensor); + if (ret) { + dev_err(&client->dev, "failed to get regulators %d\n", ret); + return ret; + } + + ret = regulator_bulk_enable(VGXY61_NUM_SUPPLIES, sensor->supplies); + if (ret) { + dev_err(&client->dev, "failed to enable regulators %d\n", ret); + return ret; + } + + ret = clk_prepare_enable(sensor->xclk); + if (ret) { + dev_err(&client->dev, "failed to enable clock %d\n", ret); + goto disable_bulk; + } + + /* Apply reset sequence */ + if (sensor->reset_gpio) { + ret = vgxy61_apply_reset(sensor); + if (ret) { + dev_err(&client->dev, "sensor reset failed %d\n", ret); + goto disable_clock; + } + } + + ret = vgxy61_detect(sensor); + if (ret) { + dev_err(&client->dev, "sensor detect failed %d\n", ret); + goto disable_clock; + } + + ret = vgxy61_patch(sensor); + if (ret) { + dev_err(&client->dev, "sensor patch failed %d\n", ret); + goto disable_clock; + } + + ret = vgxy61_configure(sensor); + if (ret) { + dev_err(&client->dev, "sensor configuration failed %d\n", ret); + goto disable_clock; + } + + return 0; + +disable_clock: + clk_disable_unprepare(sensor->xclk); +disable_bulk: + regulator_bulk_disable(VGXY61_NUM_SUPPLIES, sensor->supplies); + + return ret; +} + +static int vgxy61_power_off(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + + clk_disable_unprepare(sensor->xclk); + regulator_bulk_disable(VGXY61_NUM_SUPPLIES, sensor->supplies); + return 0; +} + +static int __maybe_unused vgxy61_suspend(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + + if (sensor->streaming) + vgxy61_stream_disable(sensor); + + return 0; +} + +static int __maybe_unused vgxy61_resume(struct device *dev) +{ + struct i2c_client *client = to_i2c_client(dev); + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + int ret; + + if (sensor->streaming) { + ret = vgxy61_stream_enable(sensor); + if (ret) + goto error; + } + + return 0; + +error: + vgxy61_stream_disable(sensor); + sensor->streaming = false; + + return ret; +} + +static void vgxy61_set_default_format(struct vgxy61_dev *sensor) +{ + if (sensor->id == VG5761_MODEL_ID) { + sensor->sensor_width = VGX761_WIDTH; + sensor->sensor_height = VGX761_HEIGHT; + sensor->sensor_modes = vgx761_mode_data; + sensor->sensor_modes_nb = ARRAY_SIZE(vgx761_mode_data); + sensor->current_mode = &vgx761_mode_data[VGX761_DEFAULT_MODE]; + sensor->rot_term = VGX761_SHORT_ROT_TERM; + } else if (sensor->id == VG5661_MODEL_ID) { + sensor->sensor_width = VGX661_WIDTH; + sensor->sensor_height = VGX661_HEIGHT; + sensor->sensor_modes = vgx661_mode_data; + sensor->sensor_modes_nb = ARRAY_SIZE(vgx661_mode_data); + sensor->current_mode = &vgx661_mode_data[VGX661_DEFAULT_MODE]; + sensor->rot_term = VGX661_SHORT_ROT_TERM; + } else { + /* Should never happen */ + WARN_ON(true); + } + sensor->fmt.width = sensor->current_mode->width; + sensor->fmt.height = sensor->current_mode->height; + sensor->vblank = sensor->frame_length - sensor->current_mode->crop.height; +} + +static int vgxy61_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct fwnode_handle *endpoint; + struct vgxy61_dev *sensor; + int ret; + + sensor = devm_kzalloc(dev, sizeof(*sensor), GFP_KERNEL); + if (!sensor) + return -ENOMEM; + + sensor->i2c_client = client; + sensor->streaming = false; + sensor->fmt.code = MEDIA_BUS_FMT_Y8_1X8; + sensor->fmt.colorspace = V4L2_COLORSPACE_RAW; + sensor->fmt.field = V4L2_FIELD_NONE; + sensor->fmt.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; + sensor->fmt.quantization = V4L2_QUANTIZATION_DEFAULT; + sensor->fmt.xfer_func = V4L2_XFER_FUNC_DEFAULT; + sensor->frame_interval.numerator = 1; + sensor->frame_interval.denominator = 60; + sensor->hdr = NO_HDR; + sensor->expo_long = 200; + sensor->expo_short = 0; + sensor->hflip = false; + sensor->vflip = false; + sensor->frame_length = VGXY61_FRAME_LENGTH_DEF; + + endpoint = fwnode_graph_get_next_endpoint(of_fwnode_handle(dev->of_node), NULL); + if (!endpoint) { + dev_err(dev, "endpoint node not found\n"); + return -EINVAL; + } + + ret = vgxy61_tx_from_ep(sensor, endpoint); + fwnode_handle_put(endpoint); + if (ret) { + dev_err(dev, "Failed to parse endpoint %d\n", ret); + return ret; + } + + sensor->xclk = devm_clk_get(dev, NULL); + if (IS_ERR(sensor->xclk)) { + dev_err(dev, "failed to get xclk\n"); + return PTR_ERR(sensor->xclk); + } + sensor->clk_freq = clk_get_rate(sensor->xclk); + if (sensor->clk_freq < 6 * HZ_PER_MHZ || sensor->clk_freq > 27 * HZ_PER_MHZ) { + dev_err(dev, "Only 6Mhz-27Mhz clock range supported. provide %lu MHz\n", + sensor->clk_freq / HZ_PER_MHZ); + return -EINVAL; + } + sensor->gpios_polarity = of_property_read_bool(dev->of_node, "invert-gpios-polarity"); + sensor->slave_mode = of_property_read_bool(dev->of_node, "slave-mode"); + + v4l2_i2c_subdev_init(&sensor->sd, client, &vgxy61_subdev_ops); + sensor->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + sensor->pad.flags = MEDIA_PAD_FL_SOURCE; + sensor->sd.entity.ops = &vgxy61_subdev_entity_ops; + sensor->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + + /* Request optional reset pin */ + sensor->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH); + + ret = vgxy61_power_on(dev); + if (ret) + return ret; + + vgxy61_set_default_format(sensor); + + /* HDR mode */ + ret = vgxy61_update_hdr(sensor, sensor->hdr); + if (ret) + return ret; + + ret = vgxy61_init_controls(sensor); + if (ret) { + dev_err(&client->dev, "controls initialization failed %d\n", ret); + goto error_power_off; + } + + ret = media_entity_pads_init(&sensor->sd.entity, 1, &sensor->pad); + if (ret) { + dev_err(&client->dev, "pads init failed %d\n", ret); + goto error_handler_free; + } + + ret = v4l2_async_register_subdev(&sensor->sd); + if (ret) { + dev_err(&client->dev, "async subdev register failed %d\n", ret); + goto error_media_entity; + } + + /* Enable runtime PM and turn off the device */ + pm_runtime_set_active(dev); + pm_runtime_enable(dev); + pm_runtime_idle(dev); + + dev_info(&client->dev, "vgxy61 probe successfully\n"); + + return 0; + +error_media_entity: + media_entity_cleanup(&sensor->sd.entity); +error_handler_free: + v4l2_ctrl_handler_free(sensor->sd.ctrl_handler); + mutex_destroy(&sensor->lock); +error_power_off: + vgxy61_power_off(dev); + + return ret; +} + +static int vgxy61_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct vgxy61_dev *sensor = to_vgxy61_dev(sd); + + v4l2_async_unregister_subdev(&sensor->sd); + mutex_destroy(&sensor->lock); + media_entity_cleanup(&sensor->sd.entity); + + pm_runtime_disable(&client->dev); + if (!pm_runtime_status_suspended(&client->dev)) + vgxy61_power_off(&client->dev); + pm_runtime_set_suspended(&client->dev); + + return 0; +} + +static const struct of_device_id vgxy61_dt_ids[] = { + { .compatible = "st,st-vgxy61" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, vgxy61_dt_ids); + +static const struct dev_pm_ops vgxy61_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(vgxy61_suspend, vgxy61_resume) + SET_RUNTIME_PM_OPS(vgxy61_power_off, vgxy61_power_on, NULL) +}; + +static struct i2c_driver vgxy61_i2c_driver = { + .driver = { + .name = "st-vgxy61", + .of_match_table = vgxy61_dt_ids, + .pm = &vgxy61_pm_ops, + }, + .probe_new = vgxy61_probe, + .remove = vgxy61_remove, +}; + +module_i2c_driver(vgxy61_i2c_driver); + +MODULE_AUTHOR("Benjamin Mugnier "); +MODULE_AUTHOR("Mickael Guene "); +MODULE_AUTHOR("Sylvain Petinot "); +MODULE_DESCRIPTION("VGXY61 camera subdev driver"); +MODULE_LICENSE("GPL v2");