From patchwork Fri Sep 21 10:09:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda Delgado X-Patchwork-Id: 10609661 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 97A74112B for ; Fri, 21 Sep 2018 10:09:38 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 893BF2D688 for ; Fri, 21 Sep 2018 10:09:38 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7D5D92D6B0; Fri, 21 Sep 2018 10:09:38 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 211902D688 for ; Fri, 21 Sep 2018 10:09:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389313AbeIUP5e (ORCPT ); Fri, 21 Sep 2018 11:57:34 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:42932 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727392AbeIUP5e (ORCPT ); Fri, 21 Sep 2018 11:57:34 -0400 Received: by mail-ed1-f68.google.com with SMTP id l5so10250823edw.9; Fri, 21 Sep 2018 03:09:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=+xp1tHYgcqmK5vJcXbbULWl6T/5gevxAd+xabl7FRRA=; b=U5e/08F2rRvGXoV8XIdXH4tYNY/6P+QtjsObEuaeNKb7Ok66vi98tntC1MN4cILJ+2 rnYNH2emjkvPC5INYpysn2j8FHlqW/gc1ZLB2V7IdxKvtwykhG92pBHxd7BHqqFQmkSv 1yaBNUuG+9jIW6KU023b5Hz1XVLAPpOdM7/Z99VFIZAWt5p+MqTUcBNgLlyf+D52oteB Aqwb4kZNZXvoIvy5Tunm02Zy5xHq9pp0xRHQPB6DmVwZ4YYFX+TEBNeN8459WdQT/26k 0ducix8wA8AXu5opdVAdRztdNKlsBXwWPg67jPmapSB5M6cOv+CH/MZ40vttC5FTJMvM WZYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=+xp1tHYgcqmK5vJcXbbULWl6T/5gevxAd+xabl7FRRA=; b=HbjtSjSF8be79upQhkJReQ2wW8J+9RfTSmZgoDzEqm2RyalPG6SafddH+2cdPo5btV C7GJhMt6R5tx/tdka1WocCbHdUTz2kRRYrNN4wZeGxtXWWxe+Bwi2g3t7KEUtw9fzGp0 r1TF7lESTKaEpCdlyU7YY8ATzdLJNm/HIleyl+rJRf6hiLSbROlnIGI04yyRPl2lJKe9 cwX3+hYEibaw4ZoSPe1y00QVeQok6RZBlhSX1s7TkvOzDXwmfNUY34e9UKNhgDE66ftq ua2zCCjwmKSSOrnCPzvCAzlzxZ4HgcNm7m0EJprjVcsPORoTWaWRsVkFWPtzIMpyU3Nm 9i+A== X-Gm-Message-State: APzg51AvtqdeBMAvV4h3OYaIsrxbygFEBS98IV4M9aHshxfmmsTX6GNd PCqUvzQOoAmdsqDvORdrMU0= X-Google-Smtp-Source: ANB0VdYG15FKeVdHfPvFtBs25Iu0ct01SoN+ehWZVxoW4gh7eDxwSFJJE9t+B9XKizkuz8MS4BE72Q== X-Received: by 2002:a50:d798:: with SMTP id w24-v6mr11149734edi.19.1537524563557; Fri, 21 Sep 2018 03:09:23 -0700 (PDT) Received: from neopili.qtec.com (cpe.xe-3-0-1-778.vbrnqe10.dk.customer.tdc.net. [80.197.57.18]) by smtp.gmail.com with ESMTPSA id g38-v6sm2103451edc.40.2018.09.21.03.09.21 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Sep 2018 03:09:21 -0700 (PDT) From: Ricardo Ribalda Delgado To: Sakari Ailus , Hans Verkuil , Laurent Pinchart , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: Ricardo Ribalda Delgado , devicetree@vger.kernel.org Subject: [PATCH v2 1/2] [media] imx214: device tree binding Date: Fri, 21 Sep 2018 12:09:19 +0200 Message-Id: <20180921100920.8656-1-ricardo.ribalda@gmail.com> X-Mailer: git-send-email 2.18.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Document bindings for imx214 v4l2 driver. Cc: devicetree@vger.kernel.org Signed-off-by: Ricardo Ribalda Delgado --- .../devicetree/bindings/media/i2c/imx214.txt | 51 +++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/imx214.txt diff --git a/Documentation/devicetree/bindings/media/i2c/imx214.txt b/Documentation/devicetree/bindings/media/i2c/imx214.txt new file mode 100644 index 000000000000..4ff76d96332e --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/imx214.txt @@ -0,0 +1,51 @@ +* Sony 1/3.06-Inch 13.13Mp CMOS Digital Image Sensor + +The Sony imx214 is a 1/3.06-inch CMOS active pixel digital image sensor with +an active array size of 4224H x 3176V. It is programmable through I2C +interface. The I2C address can be configured to to 0x1a or 0x10, depending on +how is wired. +Image data is sent through MIPI CSI-2, which is configured as 4 lanes +at 1440 Mbps. + + +Required Properties: +- compatible: value should be "sony,imx214" for imx214 sensor +- reg: I2C bus address of the device +- enable-gpios: Sensor enable GPIO +- vdddo-supply: Chip digital IO regulator (1.8V). +- vdda-supply: Chip analog regulator (2.7V). +- vddd-supply: Chip digital core regulator (1.12V). +- clocks = Reference to the xclk clock. +- clock-names = Should be "xclk". +- clock-frequency = Frequency of the xclk clock. Should be <24000000>; + +Optional Properties: +- flash-leds: See ../video-interfaces.txt +- lens-focus: See ../video-interfaces.txt + +The imx274 device node should contain one 'port' child node with +an 'endpoint' subnode. For further reading on port node refer to +Documentation/devicetree/bindings/media/video-interfaces.txt. + +Example: + + camera_rear@1a { + status = "okay"; + compatible = "sony,imx214"; + reg = <0x1a>; + vdddo-supply = <&pm8994_lvs1>; + vddd-supply = <&camera_vddd_1v12>; + vdda-supply = <&pm8994_l17>; + lens-focus = <&ad5820>; + enable-gpios = <&msmgpio 25 GPIO_ACTIVE_HIGH>; + clocks = <&mmcc CAMSS_MCLK0_CLK>; + clock-names = "xclk"; + clock-frequency = <24000000>; + port { + imx214_ep: endpoint { + clock-lanes = <1>; + data-lanes = <0 2 3 4>; + remote-endpoint = <&csiphy0_ep>; + }; + }; + }; From patchwork Fri Sep 21 10:09:20 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ricardo Ribalda Delgado X-Patchwork-Id: 10609659 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E6EAB112B for ; Fri, 21 Sep 2018 10:09:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id D56B12D688 for ; Fri, 21 Sep 2018 10:09:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id C6FA42D6B0; Fri, 21 Sep 2018 10:09:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3DD282D688 for ; Fri, 21 Sep 2018 10:09:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389694AbeIUP5h (ORCPT ); Fri, 21 Sep 2018 11:57:37 -0400 Received: from mail-ed1-f68.google.com ([209.85.208.68]:39657 "EHLO mail-ed1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727392AbeIUP5h (ORCPT ); Fri, 21 Sep 2018 11:57:37 -0400 Received: by mail-ed1-f68.google.com with SMTP id h4-v6so10270178edi.6; Fri, 21 Sep 2018 03:09:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+0WzPbfN9zDfhV7M69ZV+pYeIWyJc4qgOzH5v/Cb9Lg=; b=oHMwmJB5xTmsdFM2nIEEjy3dWUcPXZcPPCkZV6qgRW8yOXneaTGHiSo/eYEpkCmY8j jyPnA4CmdpY3UPbIw8v8kzzHlngWYF33PHPqmL9xAl4CZMwwGI9I2rYVQ6XBSrFTF9qD k7EPqGiXrT6wazxbN0jO5rUvi/6woFLgOoX6g3EEN/UZC3qHgEG2/s6KQcJeYb4tkZOj IH8fi8EqA2TXAYCyZMeY+AtV9crwgLxLRuK+GvYlZjQdyCwf0TLgoHRtllA2tuMat91g mZyjKsy97FJIjXa0Uv3oN7ApiGkX8t4qZ5FAo1IEtWConDCbAP2jQDBUCqPpODbSb7Zk n6Pw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=+0WzPbfN9zDfhV7M69ZV+pYeIWyJc4qgOzH5v/Cb9Lg=; b=WPNMIJQ5GJYNQiIyHuXhKtZbxY3q3oPA5HF2Baq0Llyhta60co42OXhQy6bZYyCAIF 0aF3gKMqZwZb0SbsDySfu/I3jQ5q7UrWn/t8jU/ZADvcGatq0pvP0OcifeAFLQkrQQTL f6W+dwIseu/SjVVcjrKASdRPiy7Dog9LuZK2PvJBme1+6z1Ro6wwvh6jfQqsJLX7js88 +30d5NA7IHPvh1aPkmyUFbTWL/JJbvSJx94NCh1THupwKHOkWkoLZOWa3yGYnBFiUgmX OX8kDf1zKXTQpsYawFS7zZDEECw80xKBx82y8/iHfhvv8e0rYArSVmbqLB1/Nmobs36I 3BxA== X-Gm-Message-State: APzg51B6xZfYRl6QeovY7mQ/ykguDECUp3Yf9mu58oOG6ekG0Z3e6lIb nvGn4WzeQbut5b5m6ph3tvA= X-Google-Smtp-Source: ANB0VdZopks+2tCXky9ruN0RWYq2YSsFUGkDJyTLXjy6nTM9SKBHVOWILNpR7ZJzn7BS2h6qX/NUOA== X-Received: by 2002:a50:b399:: with SMTP id s25-v6mr10115187edd.217.1537524565162; Fri, 21 Sep 2018 03:09:25 -0700 (PDT) Received: from neopili.qtec.com (cpe.xe-3-0-1-778.vbrnqe10.dk.customer.tdc.net. [80.197.57.18]) by smtp.gmail.com with ESMTPSA id g38-v6sm2103451edc.40.2018.09.21.03.09.23 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 21 Sep 2018 03:09:24 -0700 (PDT) From: Ricardo Ribalda Delgado To: Sakari Ailus , Hans Verkuil , Laurent Pinchart , Mauro Carvalho Chehab , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org Cc: Ricardo Ribalda Delgado Subject: [PATCH v2 2/2] [media] imx214: Add imx214 camera sensor driver Date: Fri, 21 Sep 2018 12:09:20 +0200 Message-Id: <20180921100920.8656-2-ricardo.ribalda@gmail.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180921100920.8656-1-ricardo.ribalda@gmail.com> References: <20180921100920.8656-1-ricardo.ribalda@gmail.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add a V4L2 sub-device driver for the Sony IMX214 image sensor. This is a camera sensor using the I2C bus for control and the CSI-2 bus for data. Tested on a DB820c alike board with Intrinsyc Open-Q 13MP camera. Signed-off-by: Ricardo Ribalda Delgado --- Since v2: Thanks Sakari Ailus - Use regulator_bulk - Do not set voltages, let the DT do that - missing consts - remove i2c_client MAINTAINERS | 8 + drivers/media/i2c/Kconfig | 12 + drivers/media/i2c/Makefile | 1 + drivers/media/i2c/imx214.c | 956 +++++++++++++++++++++++++++++++++++++ 4 files changed, 977 insertions(+) create mode 100644 drivers/media/i2c/imx214.c diff --git a/MAINTAINERS b/MAINTAINERS index 9989925f658d..2ae68894e700 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -13521,6 +13521,14 @@ S: Maintained F: drivers/ssb/ F: include/linux/ssb/ +SONY IMX214 SENSOR DRIVER +M: Ricardo Ribalda +L: linux-media@vger.kernel.org +T: git git://linuxtv.org/media_tree.git +S: Maintained +F: drivers/media/i2c/imx214.c +F: Documentation/devicetree/bindings/media/i2c/imx214.txt + SONY IMX258 SENSOR DRIVER M: Sakari Ailus L: linux-media@vger.kernel.org diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig index bfdb494686bf..d9416b3a090c 100644 --- a/drivers/media/i2c/Kconfig +++ b/drivers/media/i2c/Kconfig @@ -595,6 +595,18 @@ config VIDEO_APTINA_PLL config VIDEO_SMIAPP_PLL tristate +config VIDEO_IMX214 + tristate "Sony IMX214 sensor support" + depends on GPIOLIB && I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API + depends on OF + depends on MEDIA_CAMERA_SUPPORT + help + This is a Video4Linux2 sensor driver for the Sony + IMX214 camera. + + To compile this driver as a module, choose M here: the + module will be called imx214. + config VIDEO_IMX258 tristate "Sony IMX258 sensor support" depends on I2C && VIDEO_V4L2 && VIDEO_V4L2_SUBDEV_API diff --git a/drivers/media/i2c/Makefile b/drivers/media/i2c/Makefile index a94eb03d10d4..61305edc6165 100644 --- a/drivers/media/i2c/Makefile +++ b/drivers/media/i2c/Makefile @@ -106,6 +106,7 @@ obj-$(CONFIG_VIDEO_I2C) += video-i2c.o obj-$(CONFIG_VIDEO_ML86V7667) += ml86v7667.o obj-$(CONFIG_VIDEO_OV2659) += ov2659.o obj-$(CONFIG_VIDEO_TC358743) += tc358743.o +obj-$(CONFIG_VIDEO_IMX214) += imx214.o obj-$(CONFIG_VIDEO_IMX258) += imx258.o obj-$(CONFIG_VIDEO_IMX274) += imx274.o diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c new file mode 100644 index 000000000000..ea5beba13b04 --- /dev/null +++ b/drivers/media/i2c/imx214.c @@ -0,0 +1,956 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * imx214.c - imx214 sensor driver + * + * Copyright 2018 Qtechnology A/S + * + * Ricardo Ribalda + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define IMX214_DEFAULT_CLK_FREQ 24000000 +#define IMX214_DEFAULT_PIXEL_RATE 384000000 +#define IMX214_WIDTH 4096 +#define IMX214_HEIGHT 2304 +#define IMX214_FPS 30 +#define IMX214_MBUS_CODE MEDIA_BUS_FMT_SRGGB10_1X10 + +static const char * const imx214_supply_name[] = { + "vdda", + "vddd", + "vdddo", +}; + +#define IMX214_NUM_SUPPLIES ARRAY_SIZE(imx214_supply_name) + +struct imx214 { + struct device *dev; + struct clk *xclk; + struct regmap *regmap; + + struct v4l2_fwnode_endpoint ep; + struct v4l2_subdev sd; + struct media_pad pad; + struct v4l2_mbus_framefmt fmt; + struct v4l2_rect crop; + + struct v4l2_ctrl_handler ctrls; + struct v4l2_ctrl *pixel_rate; + struct v4l2_ctrl *link_freq; + + struct regulator_bulk_data supplies[IMX214_NUM_SUPPLIES]; + + struct gpio_desc *enable_gpio; + + bool power_on; +}; + +struct reg_8 { + u16 addr; + u8 val; +}; + +static const struct reg_8 mode_1920x1080[]; +static const struct reg_8 mode_4096x2304[]; + +/* + * Declare modes in order, from biggest + * to smallest height. + */ +static const struct imx214_mode { + u32 width; + u32 height; + const struct reg_8 *reg_table; +} imx214_modes[] = { + { + .width = 4096, + .height = 2304, + .reg_table = mode_4096x2304, + }, + { + .width = 1920, + .height = 1080, + .reg_table = mode_1920x1080, + }, +}; + +static inline struct imx214 *to_imx214(struct v4l2_subdev *sd) +{ + return container_of(sd, struct imx214, sd); +} + +static int imx214_set_power_on(struct imx214 *imx214) +{ + int ret; + + gpiod_set_value_cansleep(imx214->enable_gpio, 0); + usleep_range(10, 20); + + ret = regulator_bulk_enable(IMX214_NUM_SUPPLIES, imx214->supplies); + if (ret < 0) { + dev_err(imx214->dev, "failed to enable regulators: %d\n", ret); + return ret; + } + + usleep_range(2000, 3000); + + ret = clk_prepare_enable(imx214->xclk); + if (ret < 0) { + dev_err(imx214->dev, "clk prepare enable failed\n"); + return ret; + } + + + gpiod_set_value_cansleep(imx214->enable_gpio, 1); + usleep_range(12000, 15000); + + return 0; +} + +static void imx214_set_power_off(struct imx214 *imx214) +{ + gpiod_set_value_cansleep(imx214->enable_gpio, 0); + + clk_disable_unprepare(imx214->xclk); + + regulator_bulk_disable(IMX214_NUM_SUPPLIES, imx214->supplies); +} + +static int imx214_s_power(struct v4l2_subdev *sd, int on) +{ + struct imx214 *imx214 = to_imx214(sd); + int ret = 0; + + on = !!on; + + if (imx214->power_on == on) + return 0; + + if (on) + ret = imx214_set_power_on(imx214); + else + imx214_set_power_off(imx214); + + imx214->power_on = on; + return 0; +} + +static int imx214_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->index > 0) + return -EINVAL; + + code->code = IMX214_MBUS_CODE; + + return 0; +} + +static int imx214_enum_frame_size(struct v4l2_subdev *subdev, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_size_enum *fse) +{ + if (fse->code != IMX214_MBUS_CODE) + return -EINVAL; + + if (fse->index >= ARRAY_SIZE(imx214_modes)) + return -EINVAL; + + fse->min_width = fse->max_width = imx214_modes[fse->index].width; + fse->min_height = fse->max_height = imx214_modes[fse->index].height; + + return 0; +} + +#ifdef CONFIG_VIDEO_ADV_DEBUG +static int imx214_s_register(struct v4l2_subdev *subdev, + const struct v4l2_dbg_register *reg) +{ + struct imx214 *imx214 = container_of(subdev, struct imx214, sd); + + return regmap_write(imx214->regmap, reg->reg, reg->val); +} + +static int imx214_g_register(struct v4l2_subdev *subdev, + struct v4l2_dbg_register *reg) +{ + struct imx214 *imx214 = container_of(subdev, struct imx214, sd); + unsigned int aux; + int ret; + + reg->size = 1; + ret = regmap_read(imx214->regmap, reg->reg, &aux); + reg->val = aux; + return ret; +} +#endif + +static const struct v4l2_subdev_core_ops imx214_core_ops = { +#ifdef CONFIG_VIDEO_ADV_DEBUG + .g_register = imx214_g_register, + .s_register = imx214_s_register, +#endif + .s_power = imx214_s_power, +}; + +static struct v4l2_mbus_framefmt * +__imx214_get_pad_format(struct imx214 *imx214, + struct v4l2_subdev_pad_config *cfg, + unsigned int pad, + enum v4l2_subdev_format_whence which) +{ + switch (which) { + case V4L2_SUBDEV_FORMAT_TRY: + return v4l2_subdev_get_try_format(&imx214->sd, cfg, pad); + case V4L2_SUBDEV_FORMAT_ACTIVE: + return &imx214->fmt; + default: + return NULL; + } +} + +static int imx214_get_format(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct imx214 *imx214 = to_imx214(sd); + + format->format = *__imx214_get_pad_format(imx214, cfg, format->pad, + format->which); + + return 0; +} + +static struct v4l2_rect * +__imx214_get_pad_crop(struct imx214 *imx214, struct v4l2_subdev_pad_config *cfg, + unsigned int pad, enum v4l2_subdev_format_whence which) +{ + switch (which) { + case V4L2_SUBDEV_FORMAT_TRY: + return v4l2_subdev_get_try_crop(&imx214->sd, cfg, pad); + case V4L2_SUBDEV_FORMAT_ACTIVE: + return &imx214->crop; + default: + return NULL; + } +} + +static int imx214_find_mode(u32 height) +{ + int i; + + for (i = 0; (i < ARRAY_SIZE(imx214_modes) - 1) ; i++) + if (height >= imx214_modes[i].width) + return i; + return i; +} + +static int imx214_set_format(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_format *format) +{ + struct imx214 *imx214 = to_imx214(sd); + struct v4l2_mbus_framefmt *__format; + struct v4l2_rect *__crop; + int mode; + + __crop = __imx214_get_pad_crop(imx214, cfg, format->pad, format->which); + + mode = format ? imx214_find_mode(format->format.height) : 0; + + __crop->width = imx214_modes[mode].width; + __crop->height = imx214_modes[mode].height; + + __format = __imx214_get_pad_format(imx214, cfg, format->pad, + format->which); + __format->width = __crop->width; + __format->height = __crop->height; + __format->code = IMX214_MBUS_CODE; + __format->field = V4L2_FIELD_NONE; + __format->colorspace = V4L2_COLORSPACE_SRGB; + __format->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(__format->colorspace); + __format->quantization = V4L2_MAP_QUANTIZATION_DEFAULT(true, + __format->colorspace, __format->ycbcr_enc); + __format->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(__format->colorspace); + + format->format = *__format; + + return 0; +} + +static int imx214_get_selection(struct v4l2_subdev *sd, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_selection *sel) +{ + struct imx214 *imx214 = to_imx214(sd); + + if (sel->target != V4L2_SEL_TGT_CROP) + return -EINVAL; + + sel->r = *__imx214_get_pad_crop(imx214, cfg, sel->pad, + sel->which); + return 0; +} + +static int imx214_entity_init_cfg(struct v4l2_subdev *subdev, + struct v4l2_subdev_pad_config *cfg) +{ + struct v4l2_subdev_format fmt = { }; + + fmt.which = cfg ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; + fmt.format.width = imx214_modes[0].width; + fmt.format.height = imx214_modes[0].height; + + imx214_set_format(subdev, cfg, &fmt); + + return 0; +} + +enum { IMX214_TABLE_WAIT_MS = 0, + IMX214_TABLE_END, + IMX214_MAX_RETRIES, + IMX214_WAIT_MS}; + +/*From imx214_mode_tbls.h*/ +static const struct reg_8 mode_4096x2304[] = { + {0x0114, 0x03}, + {0x0220, 0x00}, + {0x0221, 0x11}, + {0x0222, 0x01}, + {0x0340, 0x0C}, + {0x0341, 0x7A}, + {0x0342, 0x13}, + {0x0343, 0x90}, + {0x0344, 0x00}, + {0x0345, 0x38}, + {0x0346, 0x01}, + {0x0347, 0x98}, + {0x0348, 0x10}, + {0x0349, 0x37}, + {0x034A, 0x0A}, + {0x034B, 0x97}, + {0x0381, 0x01}, + {0x0383, 0x01}, + {0x0385, 0x01}, + {0x0387, 0x01}, + {0x0900, 0x00}, + {0x0901, 0x00}, + {0x0902, 0x00}, + {0x3000, 0x35}, + {0x3054, 0x01}, + {0x305C, 0x11}, + + {0x0112, 0x0A}, + {0x0113, 0x0A}, + {0x034C, 0x10}, + {0x034D, 0x00}, + {0x034E, 0x09}, + {0x034F, 0x00}, + {0x0401, 0x00}, + {0x0404, 0x00}, + {0x0405, 0x10}, + {0x0408, 0x00}, + {0x0409, 0x00}, + {0x040A, 0x00}, + {0x040B, 0x00}, + {0x040C, 0x10}, + {0x040D, 0x00}, + {0x040E, 0x09}, + {0x040F, 0x00}, + + {0x0301, 0x05}, + {0x0303, 0x02}, + {0x0305, 0x03}, + {0x0306, 0x00}, + {0x0307, 0x96}, + {0x0309, 0x0A}, + {0x030B, 0x01}, + {0x0310, 0x00}, + + {0x0820, 0x12}, + {0x0821, 0xC0}, + {0x0822, 0x00}, + {0x0823, 0x00}, + + {0x3A03, 0x09}, + {0x3A04, 0x50}, + {0x3A05, 0x01}, + + {0x0B06, 0x01}, + {0x30A2, 0x00}, + + {0x30B4, 0x00}, + + {0x3A02, 0xFF}, + + {0x3011, 0x00}, + {0x3013, 0x01}, + + {0x0202, 0x0C}, + {0x0203, 0x70}, + {0x0224, 0x01}, + {0x0225, 0xF4}, + + {0x0204, 0x00}, + {0x0205, 0x00}, + {0x020E, 0x01}, + {0x020F, 0x00}, + {0x0210, 0x01}, + {0x0211, 0x00}, + {0x0212, 0x01}, + {0x0213, 0x00}, + {0x0214, 0x01}, + {0x0215, 0x00}, + {0x0216, 0x00}, + {0x0217, 0x00}, + + {0x4170, 0x00}, + {0x4171, 0x10}, + {0x4176, 0x00}, + {0x4177, 0x3C}, + {0xAE20, 0x04}, + {0xAE21, 0x5C}, + + {IMX214_TABLE_WAIT_MS, 10}, + {0x0138, 0x01}, + {IMX214_TABLE_END, 0x00} +}; + +static const struct reg_8 mode_1920x1080[] = { + {0x0114, 0x03}, + {0x0220, 0x00}, + {0x0221, 0x11}, + {0x0222, 0x01}, + {0x0340, 0x0C}, + {0x0341, 0x7A}, + {0x0342, 0x13}, + {0x0343, 0x90}, + {0x0344, 0x04}, + {0x0345, 0x78}, + {0x0346, 0x03}, + {0x0347, 0xFC}, + {0x0348, 0x0B}, + {0x0349, 0xF7}, + {0x034A, 0x08}, + {0x034B, 0x33}, + {0x0381, 0x01}, + {0x0383, 0x01}, + {0x0385, 0x01}, + {0x0387, 0x01}, + {0x0900, 0x00}, + {0x0901, 0x00}, + {0x0902, 0x00}, + {0x3000, 0x35}, + {0x3054, 0x01}, + {0x305C, 0x11}, + + {0x0112, 0x0A}, + {0x0113, 0x0A}, + {0x034C, 0x07}, + {0x034D, 0x80}, + {0x034E, 0x04}, + {0x034F, 0x38}, + {0x0401, 0x00}, + {0x0404, 0x00}, + {0x0405, 0x10}, + {0x0408, 0x00}, + {0x0409, 0x00}, + {0x040A, 0x00}, + {0x040B, 0x00}, + {0x040C, 0x07}, + {0x040D, 0x80}, + {0x040E, 0x04}, + {0x040F, 0x38}, + + {0x0301, 0x05}, + {0x0303, 0x02}, + {0x0305, 0x03}, + {0x0306, 0x00}, + {0x0307, 0x96}, + {0x0309, 0x0A}, + {0x030B, 0x01}, + {0x0310, 0x00}, + + {0x0820, 0x12}, + {0x0821, 0xC0}, + {0x0822, 0x00}, + {0x0823, 0x00}, + + {0x3A03, 0x04}, + {0x3A04, 0xF8}, + {0x3A05, 0x02}, + + {0x0B06, 0x01}, + {0x30A2, 0x00}, + + {0x30B4, 0x00}, + + {0x3A02, 0xFF}, + + {0x3011, 0x00}, + {0x3013, 0x01}, + + {0x0202, 0x0C}, + {0x0203, 0x70}, + {0x0224, 0x01}, + {0x0225, 0xF4}, + + {0x0204, 0x00}, + {0x0205, 0x00}, + {0x020E, 0x01}, + {0x020F, 0x00}, + {0x0210, 0x01}, + {0x0211, 0x00}, + {0x0212, 0x01}, + {0x0213, 0x00}, + {0x0214, 0x01}, + {0x0215, 0x00}, + {0x0216, 0x00}, + {0x0217, 0x00}, + + {0x4170, 0x00}, + {0x4171, 0x10}, + {0x4176, 0x00}, + {0x4177, 0x3C}, + {0xAE20, 0x04}, + {0xAE21, 0x5C}, + + {IMX214_TABLE_WAIT_MS, 10}, + {0x0138, 0x01}, + {IMX214_TABLE_END, 0x00} +}; + +static struct reg_8 mode_table_common[] = { + /* software reset */ + + /* software standby settings */ + {0x0100, 0x00}, + + /* ATR setting */ + {0x9300, 0x02}, + + /* external clock setting */ + {0x0136, 0x18}, + {0x0137, 0x00}, + + /* global setting */ + /* basic config */ + {0x0101, 0x00}, + {0x0105, 0x01}, + {0x0106, 0x01}, + {0x4550, 0x02}, + {0x4601, 0x00}, + {0x4642, 0x05}, + {0x6227, 0x11}, + {0x6276, 0x00}, + {0x900E, 0x06}, + {0xA802, 0x90}, + {0xA803, 0x11}, + {0xA804, 0x62}, + {0xA805, 0x77}, + {0xA806, 0xAE}, + {0xA807, 0x34}, + {0xA808, 0xAE}, + {0xA809, 0x35}, + {0xA80A, 0x62}, + {0xA80B, 0x83}, + {0xAE33, 0x00}, + + /* analog setting */ + {0x4174, 0x00}, + {0x4175, 0x11}, + {0x4612, 0x29}, + {0x461B, 0x12}, + {0x461F, 0x06}, + {0x4635, 0x07}, + {0x4637, 0x30}, + {0x463F, 0x18}, + {0x4641, 0x0D}, + {0x465B, 0x12}, + {0x465F, 0x11}, + {0x4663, 0x11}, + {0x4667, 0x0F}, + {0x466F, 0x0F}, + {0x470E, 0x09}, + {0x4909, 0xAB}, + {0x490B, 0x95}, + {0x4915, 0x5D}, + {0x4A5F, 0xFF}, + {0x4A61, 0xFF}, + {0x4A73, 0x62}, + {0x4A85, 0x00}, + {0x4A87, 0xFF}, + + /* embedded data */ + {0x5041, 0x04}, + {0x583C, 0x04}, + {0x620E, 0x04}, + {0x6EB2, 0x01}, + {0x6EB3, 0x00}, + {0x9300, 0x02}, + + /* imagequality */ + /* HDR setting */ + {0x3001, 0x07}, + {0x6D12, 0x3F}, + {0x6D13, 0xFF}, + {0x9344, 0x03}, + {0x9706, 0x10}, + {0x9707, 0x03}, + {0x9708, 0x03}, + {0x9E04, 0x01}, + {0x9E05, 0x00}, + {0x9E0C, 0x01}, + {0x9E0D, 0x02}, + {0x9E24, 0x00}, + {0x9E25, 0x8C}, + {0x9E26, 0x00}, + {0x9E27, 0x94}, + {0x9E28, 0x00}, + {0x9E29, 0x96}, + + /* CNR parameter setting */ + {0x69DB, 0x01}, + + /* Moire reduction */ + {0x6957, 0x01}, + + /* image enhancment */ + {0x6987, 0x17}, + {0x698A, 0x03}, + {0x698B, 0x03}, + + /* white balanace */ + {0x0B8E, 0x01}, + {0x0B8F, 0x00}, + {0x0B90, 0x01}, + {0x0B91, 0x00}, + {0x0B92, 0x01}, + {0x0B93, 0x00}, + {0x0B94, 0x01}, + {0x0B95, 0x00}, + + /* ATR setting */ + {0x6E50, 0x00}, + {0x6E51, 0x32}, + {0x9340, 0x00}, + {0x9341, 0x3C}, + {0x9342, 0x03}, + {0x9343, 0xFF}, + {IMX214_TABLE_END, 0x00} +}; + +#define MAX_CMD 4 +static int imx214_write_table(struct imx214 *imx214, + const struct reg_8 table[]) +{ + u8 vals[MAX_CMD]; + int ret; + int i; + + for (table = table; table->addr != IMX214_TABLE_END ; table++) { + if (table->addr == IMX214_TABLE_WAIT_MS) { + msleep(table->val); + continue; + } + + for (i = 0; i < MAX_CMD; i++) { + if (table[i].addr != (table[0].addr + i)) + break; + vals[i] = table[i].val; + } + + ret = regmap_bulk_write(imx214->regmap, table->addr, vals, i); + + if (ret) { + dev_err(imx214->dev, "write_table error: %d\n", ret); + return ret; + } + + table += i - 1; + + } + + return 0; +} + + +static int imx214_s_stream(struct v4l2_subdev *subdev, int enable) +{ + struct imx214 *imx214 = to_imx214(subdev); + int ret; + + if (enable) { + int mode = imx214_find_mode(imx214->fmt.height); + + ret = imx214_write_table(imx214, mode_table_common); + if (ret < 0) { + dev_err(imx214->dev, "could not sent common table %d\n", + ret); + return ret; + } + ret = imx214_write_table(imx214, imx214_modes[mode].reg_table); + if (ret < 0) { + dev_err(imx214->dev, "could not sent mode table %d\n", + ret); + return ret; + } + ret = v4l2_ctrl_handler_setup(&imx214->ctrls); + if (ret < 0) { + dev_err(imx214->dev, "could not sync v4l2 controls\n"); + return ret; + } + ret = regmap_write(imx214->regmap, 0x100, 1); + if (ret < 0) { + dev_err(imx214->dev, "could not sent start table %d\n", + ret); + return ret; + } + } else { + ret = regmap_write(imx214->regmap, 0x100, 0); + if (ret < 0) { + dev_err(imx214->dev, "could not sent stop table %d\n", + ret); + return ret; + } + } + + return 0; +} + +static int imx214_g_frame_interval(struct v4l2_subdev *subdev, + struct v4l2_subdev_frame_interval *fival) +{ + fival->pad = 0; + fival->interval.numerator = 1; + fival->interval.denominator = IMX214_FPS; + + return 0; +} + +static int imx214_enum_frame_interval(struct v4l2_subdev *subdev, + struct v4l2_subdev_pad_config *cfg, + struct v4l2_subdev_frame_interval_enum *fie) +{ + int mode; + + if (fie->index != 0) + return -EINVAL; + + mode = imx214_find_mode(fie->height); + + fie->code = IMX214_MBUS_CODE; + fie->width = imx214_modes[mode].width; + fie->height = imx214_modes[mode].height; + fie->interval.numerator = 1; + fie->interval.denominator = IMX214_MBUS_CODE; + + return 0; +} + +static const struct v4l2_subdev_video_ops imx214_video_ops = { + .s_stream = imx214_s_stream, + .g_frame_interval = imx214_g_frame_interval, + .s_frame_interval = imx214_g_frame_interval, +}; + +static const struct v4l2_subdev_pad_ops imx214_subdev_pad_ops = { + .enum_mbus_code = imx214_enum_mbus_code, + .enum_frame_size = imx214_enum_frame_size, + .enum_frame_interval = imx214_enum_frame_interval, + .get_fmt = imx214_get_format, + .set_fmt = imx214_set_format, + .get_selection = imx214_get_selection, + .init_cfg = imx214_entity_init_cfg, +}; + +static const struct v4l2_subdev_ops imx214_subdev_ops = { + .core = &imx214_core_ops, + .video = &imx214_video_ops, + .pad = &imx214_subdev_pad_ops, +}; + +static const struct regmap_config sensor_regmap_config = { + .reg_bits = 16, + .val_bits = 8, + .cache_type = REGCACHE_RBTREE, +}; + +static int imx214_get_regulators(struct device *dev, struct imx214 *imx214) +{ + int i; + + for (i = 0; i < IMX214_NUM_SUPPLIES; i++) + imx214->supplies[i].supply = imx214_supply_name[i]; + + return devm_regulator_bulk_get(dev, + IMX214_NUM_SUPPLIES, + imx214->supplies); +} + +static int imx214_probe(struct i2c_client *client) +{ + struct device *dev = &client->dev; + struct imx214 *imx214; + struct fwnode_handle *endpoint; + int ret; + static const s64 link_freq[] = { + (IMX214_DEFAULT_PIXEL_RATE * 10LL) / 8, + }; + + imx214 = devm_kzalloc(dev, sizeof(*imx214), GFP_KERNEL); + if (!imx214) + return -ENOMEM; + + imx214->dev = dev; + + endpoint = fwnode_graph_get_next_endpoint( + of_fwnode_handle(client->dev.of_node), NULL); + if (!endpoint) { + dev_err(dev, "endpoint node not found\n"); + return -EINVAL; + } + + ret = v4l2_fwnode_endpoint_parse(endpoint, &imx214->ep); + fwnode_handle_put(endpoint); + if (ret < 0) { + dev_err(dev, "parsing endpoint node failed\n"); + return ret; + } + + if (imx214->ep.bus_type != V4L2_MBUS_CSI2) { + dev_err(dev, "invalid bus type (%u), must be CSI2 (%u)\n", + imx214->ep.bus_type, V4L2_MBUS_CSI2); + return -EINVAL; + } + + imx214->xclk = devm_clk_get(dev, "xclk"); + if (IS_ERR(imx214->xclk)) { + dev_err(dev, "could not get xclk"); + return PTR_ERR(imx214->xclk); + } + + ret = clk_set_rate(imx214->xclk, IMX214_DEFAULT_CLK_FREQ); + if (ret) { + dev_err(dev, "could not set xclk frequency\n"); + return ret; + } + + ret = imx214_get_regulators(dev, imx214); + if (ret < 0) { + dev_err(dev, "cannot get regulators\n"); + return ret; + } + + imx214->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW); + if (IS_ERR(imx214->enable_gpio)) { + dev_err(dev, "cannot get enable gpio\n"); + return PTR_ERR(imx214->enable_gpio); + } + + imx214->regmap = devm_regmap_init_i2c(client, &sensor_regmap_config); + if (IS_ERR(imx214->regmap)) { + dev_err(dev, "regmap init failed\n"); + return PTR_ERR(imx214->regmap); + } + + v4l2_ctrl_handler_init(&imx214->ctrls, 2); + + imx214->pixel_rate = v4l2_ctrl_new_std(&imx214->ctrls, NULL, + V4L2_CID_PIXEL_RATE, 0, + IMX214_DEFAULT_PIXEL_RATE, 1, + IMX214_DEFAULT_PIXEL_RATE); + imx214->link_freq = v4l2_ctrl_new_int_menu(&imx214->ctrls, NULL, + V4L2_CID_LINK_FREQ, + ARRAY_SIZE(link_freq) - 1, + 0, link_freq); + if (imx214->link_freq) + imx214->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY; + ret = imx214->ctrls.error; + if (ret) { + dev_err(&client->dev, "%s control init failed (%d)\n", + __func__, ret); + goto free_ctrl; + } + + imx214->sd.ctrl_handler = &imx214->ctrls; + ret = v4l2_ctrl_handler_setup(imx214->sd.ctrl_handler); + if (ret) { + dev_err(&client->dev, + "Error %d setting default controls\n", ret); + goto free_ctrl; + } + + v4l2_i2c_subdev_init(&imx214->sd, client, &imx214_subdev_ops); + imx214->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; + imx214->pad.flags = MEDIA_PAD_FL_SOURCE; + imx214->sd.dev = &client->dev; + imx214->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR; + + ret = media_entity_pads_init(&imx214->sd.entity, 1, &imx214->pad); + if (ret < 0) { + dev_err(dev, "could not register media entity\n"); + goto free_ctrl; + } + + imx214_entity_init_cfg(&imx214->sd, NULL); + + ret = v4l2_async_register_subdev_sensor_common(&imx214->sd); + if (ret < 0) { + dev_err(dev, "could not register v4l2 device\n"); + goto free_entity; + } + + return 0; + +free_entity: + media_entity_cleanup(&imx214->sd.entity); +free_ctrl: + v4l2_ctrl_handler_free(&imx214->ctrls); + + return ret; +} + +static int imx214_remove(struct i2c_client *client) +{ + struct v4l2_subdev *sd = i2c_get_clientdata(client); + struct imx214 *imx214 = to_imx214(sd); + + v4l2_async_unregister_subdev(&imx214->sd); + media_entity_cleanup(&imx214->sd.entity); + v4l2_ctrl_handler_free(&imx214->ctrls); + + return 0; +} + +static const struct of_device_id imx214_of_match[] = { + { .compatible = "sony,imx214" }, + { } +}; +MODULE_DEVICE_TABLE(of, imx214_of_match); + +static struct i2c_driver imx214_i2c_driver = { + .driver = { + .of_match_table = imx214_of_match, + .name = "imx214", + }, + .probe_new = imx214_probe, + .remove = imx214_remove, +}; + +module_i2c_driver(imx214_i2c_driver); + +MODULE_DESCRIPTION("Sony IMX214 Camera drier"); +MODULE_AUTHOR("Ricardo Ribalda "); +MODULE_LICENSE("GPL v2");