From patchwork Fri Aug 2 15:02:37 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arun Kumar K X-Patchwork-Id: 2837990 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id BFFB79F492 for ; Fri, 2 Aug 2013 15:03:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 71E532048E for ; Fri, 2 Aug 2013 15:03:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3605A2047C for ; Fri, 2 Aug 2013 15:03:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753558Ab3HBPDZ (ORCPT ); Fri, 2 Aug 2013 11:03:25 -0400 Received: from mail-pd0-f179.google.com ([209.85.192.179]:61728 "EHLO mail-pd0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753516Ab3HBPDW (ORCPT ); Fri, 2 Aug 2013 11:03:22 -0400 Received: by mail-pd0-f179.google.com with SMTP id v10so750153pde.24 for ; Fri, 02 Aug 2013 08:03:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=keD+o2YMD66+ce5tfU5mx75uxCUhcGr7JT0n8AqmRmc=; b=bBo3R1eoVZ2TRCatndrbK3evt+CdyEk1XNOysg5FQBfTryzOV4NM5NaXZD2cfdtr7I TpgrRfGptX28RAbcSXUZI0fNfQnCk/zKTXHDqSRpyq0zxZohkVP142U2GTtTpsDY6b1w foCGTYAvkNQi0uRWNP5GynuQmyEI32XFk/IotBLflcNVV0ZPJzx6j4naSrVw+IzsISpV w7cQji0WSidOQbjTC8Zc66SBNaW2gvPvqC7HX6TnJ6dJOjJP7ZSSq2pR6EEr8P9BNwmZ H7+bhJuGvkzbjGLXGg48EOGS4y76DhQmOGLEmXJUH2ZD8yuTNvFM9rhZDzrBchVP2rRs q8lg== X-Received: by 10.66.139.227 with SMTP id rb3mr11072794pab.121.1375455801493; Fri, 02 Aug 2013 08:03:21 -0700 (PDT) Received: from localhost.localdomain ([115.113.119.130]) by mx.google.com with ESMTPSA id is3sm10200567pbc.25.2013.08.02.08.03.16 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 02 Aug 2013 08:03:20 -0700 (PDT) From: Arun Kumar K To: linux-media@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org Cc: s.nawrocki@samsung.com, hverkuil@xs4all.nl, a.hajda@samsung.com, sachin.kamat@linaro.org, shaik.ameer@samsung.com, kilyeon.im@samsung.com, arunkk.samsung@gmail.com Subject: [RFC v3 08/13] [media] exynos5-fimc-is: Add sensor interface Date: Fri, 2 Aug 2013 20:32:37 +0530 Message-Id: <1375455762-22071-9-git-send-email-arun.kk@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1375455762-22071-1-git-send-email-arun.kk@samsung.com> References: <1375455762-22071-1-git-send-email-arun.kk@samsung.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-8.2 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Some sensors to be used with fimc-is are exclusively controlled by the fimc-is firmware. This minimal sensor driver provides the required info for the firmware to configure the sensors sitting on I2C bus. Signed-off-by: Arun Kumar K --- drivers/media/platform/exynos5-is/fimc-is-sensor.c | 46 +++++++++++++ drivers/media/platform/exynos5-is/fimc-is-sensor.h | 69 ++++++++++++++++++++ 2 files changed, 115 insertions(+) create mode 100644 drivers/media/platform/exynos5-is/fimc-is-sensor.c create mode 100644 drivers/media/platform/exynos5-is/fimc-is-sensor.h diff --git a/drivers/media/platform/exynos5-is/fimc-is-sensor.c b/drivers/media/platform/exynos5-is/fimc-is-sensor.c new file mode 100644 index 0000000..3e4aae9 --- /dev/null +++ b/drivers/media/platform/exynos5-is/fimc-is-sensor.c @@ -0,0 +1,46 @@ +/* + * Samsung EXYNOS5250 FIMC-IS (Imaging Subsystem) driver + * + * Copyright (C) 2013 Samsung Electronics Co., Ltd. + * Authors: Sylwester Nawrocki + * Arun Kumar K + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include "fimc-is-sensor.h" + +static const struct sensor_drv_data s5k6a3_drvdata = { + .id = FIMC_IS_SENSOR_ID_S5K6A3, + .open_timeout = S5K6A3_OPEN_TIMEOUT, + .setfile_name = "setfile_6a3.bin", +}; + +static const struct sensor_drv_data s5k4e5_drvdata = { + .id = FIMC_IS_SENSOR_ID_S5K4E5, + .open_timeout = S5K4E5_OPEN_TIMEOUT, + .setfile_name = "setfile_4e5.bin", +}; + +static const struct of_device_id fimc_is_sensor_of_ids[] = { + { + .compatible = "samsung,s5k6a3", + .data = &s5k6a3_drvdata, + }, + { + .compatible = "samsung,s5k4e5", + .data = &s5k4e5_drvdata, + }, + { } +}; + +const struct sensor_drv_data *exynos5_is_sensor_get_drvdata( + struct device_node *node) +{ + const struct of_device_id *of_id; + + of_id = of_match_node(fimc_is_sensor_of_ids, node); + return of_id ? of_id->data : NULL; +} diff --git a/drivers/media/platform/exynos5-is/fimc-is-sensor.h b/drivers/media/platform/exynos5-is/fimc-is-sensor.h new file mode 100644 index 0000000..51e18ea --- /dev/null +++ b/drivers/media/platform/exynos5-is/fimc-is-sensor.h @@ -0,0 +1,69 @@ +/* + * Samsung EXYNOS4x12 FIMC-IS (Imaging Subsystem) driver + * + * Copyright (C) 2013 Samsung Electronics Co., Ltd. + * + * Authors: Sylwester Nawrocki + * Younghwan Joo + * Arun Kumar K + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#ifndef FIMC_IS_SENSOR_H_ +#define FIMC_IS_SENSOR_H_ + +#include +#include + +#define S5K6A3_OPEN_TIMEOUT 2000 /* ms */ +#define S5K6A3_SENSOR_WIDTH 1392 +#define S5K6A3_SENSOR_HEIGHT 1392 + +#define S5K4E5_OPEN_TIMEOUT 2000 /* ms */ +#define S5K4E5_SENSOR_WIDTH 2560 +#define S5K4E5_SENSOR_HEIGHT 1920 + +#define SENSOR_WIDTH_PADDING 16 +#define SENSOR_HEIGHT_PADDING 10 + +enum fimc_is_sensor_id { + FIMC_IS_SENSOR_ID_S5K3H2 = 1, + FIMC_IS_SENSOR_ID_S5K6A3, + FIMC_IS_SENSOR_ID_S5K4E5, + FIMC_IS_SENSOR_ID_S5K3H7, + FIMC_IS_SENSOR_ID_CUSTOM, + FIMC_IS_SENSOR_ID_END +}; + +#define IS_SENSOR_CTRL_BUS_I2C0 0 +#define IS_SENSOR_CTRL_BUS_I2C1 1 + +struct sensor_drv_data { + enum fimc_is_sensor_id id; + /* sensor open timeout in ms */ + unsigned short open_timeout; + char *setfile_name; +}; + +/** + * struct fimc_is_sensor - fimc-is sensor data structure + * @drvdata: a pointer to the sensor's parameters data structure + * @i2c_bus: ISP I2C bus index (0...1) + * @test_pattern: true to enable video test pattern + */ +struct fimc_is_sensor { + const struct sensor_drv_data *drvdata; + unsigned int i2c_bus; + unsigned int width; + unsigned int height; + unsigned int pixel_width; + unsigned int pixel_height; + u8 test_pattern; +}; + +const struct sensor_drv_data *exynos5_is_sensor_get_drvdata( + struct device_node *node); + +#endif /* FIMC_IS_SENSOR_H_ */