From patchwork Wed Jun 4 06:41:02 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: archit taneja X-Patchwork-Id: 4292221 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 5970EBEEAA for ; Wed, 4 Jun 2014 06:42:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7DB35202F8 for ; Wed, 4 Jun 2014 06:42:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9E136202FE for ; Wed, 4 Jun 2014 06:42:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932287AbaFDGmm (ORCPT ); Wed, 4 Jun 2014 02:42:42 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:57915 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932279AbaFDGml (ORCPT ); Wed, 4 Jun 2014 02:42:41 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id s546gfOa027193; Wed, 4 Jun 2014 01:42:41 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s546gewB019004; Wed, 4 Jun 2014 01:42:41 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.3.174.1; Wed, 4 Jun 2014 01:42:40 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id s546geuE030921; Wed, 4 Jun 2014 01:42:40 -0500 Received: from localhost (a0393947pc.apr.dhcp.ti.com [172.24.145.166]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id s546gdt28098; Wed, 4 Jun 2014 01:42:39 -0500 (CDT) From: Archit Taneja To: CC: , , Archit Taneja Subject: [PATCH v3 6/7] OMAPDSS: DPI: Add support for multiple instances Date: Wed, 4 Jun 2014 12:11:02 +0530 Message-ID: <1401864063-19196-7-git-send-email-archit@ti.com> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1401864063-19196-1-git-send-email-archit@ti.com> References: <1401096492-1405-1-git-send-email-archit@ti.com> <1401864063-19196-1-git-send-email-archit@ti.com> MIME-Version: 1.0 Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org X-Spam-Status: No, score=-7.5 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 Register DPI outputs, and assign the port_num to them as specified by the 'reg' property in the DPI ports in DT. To support multiple DPI instances, dpi_get_channel needs to take the DPI instance's reg-id to get the corresponding channel. Make it take this argument.We just pass 0 in the non-DT path, since we don't support multiple instances in the non-DT case. Signed-off-by: Archit Taneja --- drivers/video/fbdev/omap2/dss/dpi.c | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/video/fbdev/omap2/dss/dpi.c b/drivers/video/fbdev/omap2/dss/dpi.c index b579022..3e204a8 100644 --- a/drivers/video/fbdev/omap2/dss/dpi.c +++ b/drivers/video/fbdev/omap2/dss/dpi.c @@ -616,7 +616,7 @@ static void dpi_init_pll(struct dpi_data *dpi) * the channel in some more dynamic manner, or get the channel as a user * parameter. */ -static enum omap_channel dpi_get_channel(void) +static enum omap_channel dpi_get_channel(int reg) { switch (omapdss_get_version()) { case OMAPDSS_VER_OMAP24xx: @@ -710,7 +710,7 @@ static void dpi_init_output(struct platform_device *pdev) out->id = OMAP_DSS_OUTPUT_DPI; out->output_type = OMAP_DISPLAY_TYPE_DPI; out->name = "dpi.0"; - out->dispc_channel = dpi_get_channel(); + out->dispc_channel = dpi_get_channel(0); out->ops.dpi = &dpi_ops; out->owner = THIS_MODULE; @@ -730,11 +730,31 @@ static void dpi_init_output_port(struct platform_device *pdev, { struct dpi_data *dpi = port->data; struct omap_dss_device *out = &dpi->output; + int r; + u32 reg; + + r = of_property_read_u32(port, "reg", ®); + if (r) + reg = 0; + + switch (reg) { + case 2: + out->name = "dpi.2"; + break; + case 1: + out->name = "dpi.1"; + break; + case 0: + default: + out->name = "dpi.0"; + break; + } out->dev = &pdev->dev; out->id = OMAP_DSS_OUTPUT_DPI; out->output_type = OMAP_DISPLAY_TYPE_DPI; - out->dispc_channel = dpi_get_channel(); + out->dispc_channel = dpi_get_channel(reg); + out->port_num = reg; out->ops.dpi = &dpi_ops; out->owner = THIS_MODULE;