From patchwork Wed Jan 23 11:48:51 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Afzal Mohammed X-Patchwork-Id: 2024621 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 7C2CBDFE85 for ; Wed, 23 Jan 2013 11:50:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755597Ab3AWLtF (ORCPT ); Wed, 23 Jan 2013 06:49:05 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:49383 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755508Ab3AWLtC (ORCPT ); Wed, 23 Jan 2013 06:49:02 -0500 Received: from dbdp20.itg.ti.com ([172.24.170.38]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id r0NBmqhE021275; Wed, 23 Jan 2013 05:48:53 -0600 Received: from DBDE70.ent.ti.com (localhost [127.0.0.1]) by dbdp20.itg.ti.com (8.13.8/8.13.8) with ESMTP id r0NBmqg7004333; Wed, 23 Jan 2013 17:18:52 +0530 (IST) Received: from dbdp32.itg.ti.com (172.24.170.251) by dbde70.ent.ti.com (172.24.170.148) with Microsoft SMTP Server id 14.1.323.3; Wed, 23 Jan 2013 17:18:51 +0530 Received: from psplinux063.india.ti.com (dbdp20.itg.ti.com [172.24.170.38]) by dbdp32.itg.ti.com (8.13.8/8.13.8) with ESMTP id r0NBmp6R013914; Wed, 23 Jan 2013 17:18:51 +0530 From: Afzal Mohammed To: , , , , CC: Florian Tobias Schandinat , Tomi Valkeinen , Grant Likely , Rob Herring , Rob Landley , Mike Turquette Subject: [PATCH v4 11/12] video: da8xx-fb: setup struct lcd_ctrl_config for dt Date: Wed, 23 Jan 2013 17:18:51 +0530 Message-ID: <6e567570ca0a3a9108ac7cee355fbbd8b9559273.1358937685.git.afzal@ti.com> X-Mailer: git-send-email 1.7.12 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org strcut lcd_ctrl_config information required for driver is currently obtained via platform data. To handle DT probing, create lcd_ctrl_config and populate it with default values, these values are sufficient for the panels so far used with this controller to work. Signed-off-by: Afzal Mohammed --- drivers/video/da8xx-fb.c | 34 +++++++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/drivers/video/da8xx-fb.c b/drivers/video/da8xx-fb.c index 1c1a616..5455682 100644 --- a/drivers/video/da8xx-fb.c +++ b/drivers/video/da8xx-fb.c @@ -1254,6 +1254,35 @@ static struct fb_ops da8xx_fb_ops = { .fb_blank = cfb_blank, }; +static struct lcd_ctrl_config *da8xx_fb_create_cfg(struct platform_device *dev) +{ + struct lcd_ctrl_config *cfg; + + cfg = devm_kzalloc(&dev->dev, sizeof(struct fb_videomode), GFP_KERNEL); + if (!cfg) { + dev_err(&dev->dev, "memory allocation failed\n"); + return NULL; + } + + /* default values */ + + if (lcd_revision == LCD_VERSION_1) + cfg->bpp = 16; + else + cfg->bpp = 32; + + /* + * For panels so far used with this LCDC, below statement is sufficient. + * For new panels, if required, struct lcd_ctrl_cfg fields to be updated + * with additional/modified values. Those values would have to be then + * obtained from dt(requiring new dt bindings). + */ + + cfg->panel_shade = COLOR_ACTIVE; + + return cfg; +} + static struct fb_videomode *da8xx_fb_get_videomode(struct platform_device *dev) { struct da8xx_lcdc_platform_data *fb_pdata = dev->dev.platform_data; @@ -1345,7 +1374,10 @@ static int fb_probe(struct platform_device *device) break; } - lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data; + if (device->dev.of_node) + lcd_cfg = da8xx_fb_create_cfg(device); + else + lcd_cfg = (struct lcd_ctrl_config *)fb_pdata->controller_data; if (!lcd_cfg) { ret = -EINVAL;