From patchwork Tue Sep 25 06:19:48 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: archit taneja X-Patchwork-Id: 1502241 Return-Path: X-Original-To: patchwork-linux-omap@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 04DC7DF28C for ; Tue, 25 Sep 2012 06:20:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753172Ab2IYGUh (ORCPT ); Tue, 25 Sep 2012 02:20:37 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:48604 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753228Ab2IYGUg (ORCPT ); Tue, 25 Sep 2012 02:20:36 -0400 Received: from dlelxv30.itg.ti.com ([172.17.2.17]) by bear.ext.ti.com (8.13.7/8.13.7) with ESMTP id q8P6KZd2021546; Tue, 25 Sep 2012 01:20:35 -0500 Received: from DLEE74.ent.ti.com (dlee74.ent.ti.com [157.170.170.8]) by dlelxv30.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8P6KZh3005965; Tue, 25 Sep 2012 01:20:35 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Tue, 25 Sep 2012 01:20:35 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id q8P6KZQ9025166; Tue, 25 Sep 2012 01:20:35 -0500 Received: from localhost (a0393947pc.apr.dhcp.ti.com [172.24.137.248]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id q8P6KXw08947; Tue, 25 Sep 2012 01:20:33 -0500 (CDT) From: Archit Taneja To: CC: , , Archit Taneja Subject: [PATCH v2 13/18] OMAPDSS: DISPC: Add function to set channel in for writeback Date: Tue, 25 Sep 2012 11:49:48 +0530 Message-ID: <1348553993-8083-14-git-send-email-archit@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1348553993-8083-1-git-send-email-archit@ti.com> References: <1347538505-25359-1-git-send-email-archit@ti.com> <1348553993-8083-1-git-send-email-archit@ti.com> MIME-Version: 1.0 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org Writeback can take input from either one of the overlays, or one of the overlay managers. Add an enum which represents the channel_in for writeback, and maps to the register field programming. Add a function to configure channel in for writeback. This will be used later in APPLY. Signed-off-by: Archit Taneja --- drivers/video/omap2/dss/dispc.c | 7 +++++++ drivers/video/omap2/dss/dss.h | 13 +++++++++++++ 2 files changed, 20 insertions(+) diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c index d9ca7bf..6d482f5 100644 --- a/drivers/video/omap2/dss/dispc.c +++ b/drivers/video/omap2/dss/dispc.c @@ -983,6 +983,13 @@ static enum omap_channel dispc_ovl_get_channel_out(enum omap_plane plane) return channel; } +void dispc_wb_set_channel_in(enum dss_writeback_channel channel) +{ + enum omap_plane plane = OMAP_DSS_WB; + + REG_FLD_MOD(DISPC_OVL_ATTRIBUTES(plane), channel, 18, 16); +} + static void dispc_ovl_set_burst_size(enum omap_plane plane, enum omap_burst_size burst_size) { diff --git a/drivers/video/omap2/dss/dss.h b/drivers/video/omap2/dss/dss.h index 04a1eda..872e420 100644 --- a/drivers/video/omap2/dss/dss.h +++ b/drivers/video/omap2/dss/dss.h @@ -113,6 +113,17 @@ enum dss_dsi_content_type { DSS_DSI_CONTENT_GENERIC, }; +enum dss_writeback_channel { + DSS_WB_LCD1_MGR = 0, + DSS_WB_LCD2_MGR = 1, + DSS_WB_TV_MGR = 2, + DSS_WB_OVL0 = 3, + DSS_WB_OVL1 = 4, + DSS_WB_OVL2 = 5, + DSS_WB_OVL3 = 6, + DSS_WB_LCD3_MGR = 7, +}; + struct dss_clock_info { /* rates that we get with dividers below */ unsigned long fck; @@ -471,6 +482,8 @@ int dispc_mgr_get_clock_div(enum omap_channel channel, void dispc_mgr_setup(enum omap_channel channel, struct omap_overlay_manager_info *info); +void dispc_wb_set_channel_in(enum dss_writeback_channel channel); + /* VENC */ #ifdef CONFIG_OMAP2_DSS_VENC int venc_init_platform_driver(void) __init;