From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4E319C433EF for ; Wed, 13 Apr 2022 16:24:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236829AbiDMQ1G (ORCPT ); Wed, 13 Apr 2022 12:27:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236808AbiDMQ0v (ORCPT ); Wed, 13 Apr 2022 12:26:51 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BD26426FC for ; Wed, 13 Apr 2022 09:24:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649867066; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gLAWvv3DBB15A0w65Z9x4dMDjed4RBkXVK9BlI/ZARY=; b=JXv6zeKWUQEsxy1XcYRV/JmlTI+VdW3D19l7FKHb2YuT27iVgt6ig8YBiZ6wUX9xjWYdUe GCXcM/XGBDbgblr1Ho7Qwemqtd2yDXnqMOI2U1N3KhZGCYx46IQqHBSFeQzd0ePv7kygTj Y1LKxe4VAm6IyZn3AnGeUt3S9DtWJlM= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-620-Y4_i10dJMByK1dnrFpkWRQ-1; Wed, 13 Apr 2022 12:24:25 -0400 X-MC-Unique: Y4_i10dJMByK1dnrFpkWRQ-1 Received: by mail-wm1-f70.google.com with SMTP id j20-20020a05600c1c1400b0038eb5cb35ecso3033410wms.9 for ; Wed, 13 Apr 2022 09:24:25 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=gLAWvv3DBB15A0w65Z9x4dMDjed4RBkXVK9BlI/ZARY=; b=oONzdBIs+iumDXkRMAQgO/3KDaNbRYkkKPpeKeK5AG6pizolytuFqZA3t/gQN/IheK M2yToU7FUPV30pYjRc8dB/kzupX0cQf5w4sPlmqONWv91ko8FB66//3L4nvbk7h7Rga6 SJJfHQIauwDZCzYY41D+nsS9rKxfDfHYDvrdPaw54IgsblMou7O2O6AlqeWTy32zw3/8 nz2wv8+FY7+AI99gsk3JchA0JBlGAbyQtn3lD9oT7IkPrYVN9URUI5lXVJoYUrlPPl+5 46VHm5MaxnMoBYBcvOIfb/a3EtygbjUWMoFYZ/FwSBQjsKtpdWc4wkCaSdRD8ihEQsq2 1tmQ== X-Gm-Message-State: AOAM533d9mS2nOHx8wQJQHnMnVP90bIi/mcTjSyWpLQPcWWv/N6VNiXG onFhDHQvgG8o3l0SZFlnij2+vG+Qoz8nUzIVuyQhoRpD8rPSn0SYX1IocF9aI4nbHlGMQ2Rv5xx sqt3Zh+pBCRa7UemEsUAjHbvTg2s2/FBmf9LKE0iXP34yGaxhW9zJfWcIaNkW+n4QTRtiblVtR8 Q= X-Received: by 2002:a05:600c:4f10:b0:38c:ae36:d305 with SMTP id l16-20020a05600c4f1000b0038cae36d305mr9314838wmq.34.1649867064490; Wed, 13 Apr 2022 09:24:24 -0700 (PDT) X-Google-Smtp-Source: ABdhPJxZDXUz/pNL5Ei0UJZSqLYTOe1kFuMsi4p/6EK1KlLy9h1/uSiECIFiK/i26jAKZfTa0+UjmQ== X-Received: by 2002:a05:600c:4f10:b0:38c:ae36:d305 with SMTP id l16-20020a05600c4f1000b0038cae36d305mr9314797wmq.34.1649867064202; Wed, 13 Apr 2022 09:24:24 -0700 (PDT) Received: from minerva.home ([92.176.231.205]) by smtp.gmail.com with ESMTPSA id t9-20020adfa2c9000000b002061561d4a7sm25446096wra.96.2022.04.13.09.24.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Apr 2022 09:24:23 -0700 (PDT) From: Javier Martinez Canillas To: linux-kernel@vger.kernel.org Cc: Mark Brown , Neil Armstrong , Chen-Yu Tsai , Rob Herring , Andy Shevchenko , Geert Uytterhoeven , dri-devel@lists.freedesktop.org, Javier Martinez Canillas , Geert Uytterhoeven , Daniel Vetter , David Airlie Subject: [PATCH v4 4/5] drm/solomon: Move device info from ssd130x-i2c to the core driver Date: Wed, 13 Apr 2022 18:23:57 +0200 Message-Id: <20220413162359.325021-5-javierm@redhat.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220413162359.325021-1-javierm@redhat.com> References: <20220413162359.325021-1-javierm@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org These are declared in the ssd130x-i2c transport driver but the information is not I2C specific, and could be used by other SSD130x transport drivers. Move them to the ssd130x core driver and just set the OF device entries to an ID that could be used to lookup the correct device info from an array. While being there, also move the SSD130X_DATA and SSD130X_COMMAND control bytes. Since even though they are used by the I2C interface, they could also be useful for other transport protocols such as SPI. Suggested-by: Chen-Yu Tsai Signed-off-by: Javier Martinez Canillas Acked-by: Mark Brown Reviewed-by: Geert Uytterhoeven --- Changes in v4: - Export ssd13x_variants array using EXPORT_SYMBOL_NS_GPL() (Andy Shevchenko) - Use MODULE_IMPORT_NS(DRM_SSD130X) in the ssd130x-i2c driver (Andy Shevchenko) Changes in v3: - s/it/they in the commit description (Geert Uytterhoeven) - Drop unnecessary blank line (Geert Uytterhoeven) - Export variants array and use &info[ID] in device table (Andy Shevchenko) Changes in v2: - Drop ssd13x_variant_to_info() and just use the array index (Neil Armstrong). drivers/gpu/drm/solomon/ssd130x-i2c.c | 53 ++++++--------------------- drivers/gpu/drm/solomon/ssd130x.c | 35 ++++++++++++++++-- drivers/gpu/drm/solomon/ssd130x.h | 14 +++++++ 3 files changed, 57 insertions(+), 45 deletions(-) diff --git a/drivers/gpu/drm/solomon/ssd130x-i2c.c b/drivers/gpu/drm/solomon/ssd130x-i2c.c index 45867ef2bc8b..b0dd218da13c 100644 --- a/drivers/gpu/drm/solomon/ssd130x-i2c.c +++ b/drivers/gpu/drm/solomon/ssd130x-i2c.c @@ -53,76 +53,43 @@ static void ssd130x_i2c_shutdown(struct i2c_client *client) ssd130x_shutdown(ssd130x); } -static struct ssd130x_deviceinfo ssd130x_sh1106_deviceinfo = { - .default_vcomh = 0x40, - .default_dclk_div = 1, - .default_dclk_frq = 5, - .page_mode_only = 1, -}; - -static struct ssd130x_deviceinfo ssd130x_ssd1305_deviceinfo = { - .default_vcomh = 0x34, - .default_dclk_div = 1, - .default_dclk_frq = 7, -}; - -static struct ssd130x_deviceinfo ssd130x_ssd1306_deviceinfo = { - .default_vcomh = 0x20, - .default_dclk_div = 1, - .default_dclk_frq = 8, - .need_chargepump = 1, -}; - -static struct ssd130x_deviceinfo ssd130x_ssd1307_deviceinfo = { - .default_vcomh = 0x20, - .default_dclk_div = 2, - .default_dclk_frq = 12, - .need_pwm = 1, -}; - -static struct ssd130x_deviceinfo ssd130x_ssd1309_deviceinfo = { - .default_vcomh = 0x34, - .default_dclk_div = 1, - .default_dclk_frq = 10, -}; - static const struct of_device_id ssd130x_of_match[] = { { .compatible = "sinowealth,sh1106", - .data = &ssd130x_sh1106_deviceinfo, + .data = &ssd130x_variants[SH1106_ID], }, { .compatible = "solomon,ssd1305", - .data = &ssd130x_ssd1305_deviceinfo, + .data = &ssd130x_variants[SSD1305_ID], }, { .compatible = "solomon,ssd1306", - .data = &ssd130x_ssd1306_deviceinfo, + .data = &ssd130x_variants[SSD1306_ID], }, { .compatible = "solomon,ssd1307", - .data = &ssd130x_ssd1307_deviceinfo, + .data = &ssd130x_variants[SSD1307_ID], }, { .compatible = "solomon,ssd1309", - .data = &ssd130x_ssd1309_deviceinfo, + .data = &ssd130x_variants[SSD1309_ID], }, /* Deprecated but kept for backward compatibility */ { .compatible = "solomon,ssd1305fb-i2c", - .data = &ssd130x_ssd1305_deviceinfo, + .data = &ssd130x_variants[SSD1305_ID], }, { .compatible = "solomon,ssd1306fb-i2c", - .data = &ssd130x_ssd1306_deviceinfo, + .data = &ssd130x_variants[SSD1306_ID], }, { .compatible = "solomon,ssd1307fb-i2c", - .data = &ssd130x_ssd1307_deviceinfo, + .data = &ssd130x_variants[SSD1307_ID], }, { .compatible = "solomon,ssd1309fb-i2c", - .data = &ssd130x_ssd1309_deviceinfo, + .data = &ssd130x_variants[SSD1309_ID], }, { /* sentinel */ } }; @@ -139,6 +106,8 @@ static struct i2c_driver ssd130x_i2c_driver = { }; module_i2c_driver(ssd130x_i2c_driver); + MODULE_DESCRIPTION(DRIVER_DESC); MODULE_AUTHOR("Javier Martinez Canillas "); MODULE_LICENSE("GPL v2"); +MODULE_IMPORT_NS(DRM_SSD130X); diff --git a/drivers/gpu/drm/solomon/ssd130x.c b/drivers/gpu/drm/solomon/ssd130x.c index a7e784518c69..ba2de93d00f0 100644 --- a/drivers/gpu/drm/solomon/ssd130x.c +++ b/drivers/gpu/drm/solomon/ssd130x.c @@ -39,9 +39,6 @@ #define DRIVER_MAJOR 1 #define DRIVER_MINOR 0 -#define SSD130X_DATA 0x40 -#define SSD130X_COMMAND 0x80 - #define SSD130X_PAGE_COL_START_LOW 0x00 #define SSD130X_PAGE_COL_START_HIGH 0x10 #define SSD130X_SET_ADDRESS_MODE 0x20 @@ -94,6 +91,38 @@ #define MAX_CONTRAST 255 +const struct ssd130x_deviceinfo ssd130x_variants[] = { + [SH1106_ID] = { + .default_vcomh = 0x40, + .default_dclk_div = 1, + .default_dclk_frq = 5, + .page_mode_only = 1, + }, + [SSD1305_ID] = { + .default_vcomh = 0x34, + .default_dclk_div = 1, + .default_dclk_frq = 7, + }, + [SSD1306_ID] = { + .default_vcomh = 0x20, + .default_dclk_div = 1, + .default_dclk_frq = 8, + .need_chargepump = 1, + }, + [SSD1307_ID] = { + .default_vcomh = 0x20, + .default_dclk_div = 2, + .default_dclk_frq = 12, + .need_pwm = 1, + }, + [SSD1309_ID] = { + .default_vcomh = 0x34, + .default_dclk_div = 1, + .default_dclk_frq = 10, + } +}; +EXPORT_SYMBOL_NS_GPL(ssd130x_variants, DRM_SSD130X); + static inline struct ssd130x_device *drm_to_ssd130x(struct drm_device *drm) { return container_of(drm, struct ssd130x_device, drm); diff --git a/drivers/gpu/drm/solomon/ssd130x.h b/drivers/gpu/drm/solomon/ssd130x.h index f5b062576fdf..d14f78c2eb07 100644 --- a/drivers/gpu/drm/solomon/ssd130x.h +++ b/drivers/gpu/drm/solomon/ssd130x.h @@ -18,6 +18,18 @@ #include +#define SSD130X_DATA 0x40 +#define SSD130X_COMMAND 0x80 + +enum ssd130x_variants { + SH1106_ID, + SSD1305_ID, + SSD1306_ID, + SSD1307_ID, + SSD1309_ID, + NR_SSD130X_VARIANTS +}; + struct ssd130x_deviceinfo { u32 default_vcomh; u32 default_dclk_div; @@ -71,6 +83,8 @@ struct ssd130x_device { u8 page_end; }; +extern const struct ssd130x_deviceinfo ssd130x_variants[]; + struct ssd130x_device *ssd130x_probe(struct device *dev, struct regmap *regmap); int ssd130x_remove(struct ssd130x_device *ssd130x); void ssd130x_shutdown(struct ssd130x_device *ssd130x); -- 2.35.1