From patchwork Fri Sep 14 12:46:42 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prabhakar X-Patchwork-Id: 1458551 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id DF0F740220 for ; Fri, 14 Sep 2012 12:51:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756446Ab2INMu5 (ORCPT ); Fri, 14 Sep 2012 08:50:57 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:57042 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756187Ab2INMux (ORCPT ); Fri, 14 Sep 2012 08:50:53 -0400 Received: by dady13 with SMTP id y13so2402585dad.19 for ; Fri, 14 Sep 2012 05:50:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=EBNaFwPtKSxhtgnI02DyghpIQzIGU/Ao+CM35tx82wU=; b=ObWpNALw0QRq2m3InCbVg6OIkejCsYlyGszZDqK1i5Umx4YaJ3rL4r77eM47xzirFZ 5XGt9f7gGsH9rapOrybdYXKuGEensbkLt8UIA8w3t4DEpWebc2A8hn6aOpf4c6OSYJOk LNlclexbv5+lPK6yvYXFI/daeaD9SK7w6PFUqVA9e9DqSGw7FA4v0Fn4dWsQ70j6BIr7 gQCKdTyu5vu8kTRzNj8MED+nFn+95v45szge31sncRSamGgrB6uZEvIYyEjLEu8G6pfn 3tDHBoGBYmjLiu7/0UR1KlGJTViqxAEK9yBMBgPCA9VdW2oy4G/n8bVdcT90Fc4DSPTE 8Aiw== Received: by 10.68.193.196 with SMTP id hq4mr5227833pbc.32.1347627052915; Fri, 14 Sep 2012 05:50:52 -0700 (PDT) Received: from localhost.localdomain ([122.166.13.141]) by mx.google.com with ESMTPS id gv1sm939033pbc.38.2012.09.14.05.50.45 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 14 Sep 2012 05:50:52 -0700 (PDT) From: Prabhakar Lad To: LMML Cc: LKML , Mauro Carvalho Chehab , DLOS , Manjunath Hadli , "Lad, Prabhakar" Subject: [PATCH 12/14] dm365: vpss: add vpss helper functions to be used in the main driver for setting hardware parameters Date: Fri, 14 Sep 2012 18:16:42 +0530 Message-Id: <1347626804-5703-13-git-send-email-prabhakar.lad@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1347626804-5703-1-git-send-email-prabhakar.lad@ti.com> References: <1347626804-5703-1-git-send-email-prabhakar.lad@ti.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Manjunath Hadli add function to set sync polarity , interrupt completion and pageframe size in vpss to be used by the main driver. Signed-off-by: Manjunath Hadli Signed-off-by: Lad, Prabhakar --- drivers/media/platform/davinci/vpss.c | 32 ++++++++++++++++++++++++++++++++ include/media/davinci/vpss.h | 16 ++++++++++++++++ 2 files changed, 48 insertions(+), 0 deletions(-) diff --git a/drivers/media/platform/davinci/vpss.c b/drivers/media/platform/davinci/vpss.c index 49bb045..3c195c0 100644 --- a/drivers/media/platform/davinci/vpss.c +++ b/drivers/media/platform/davinci/vpss.c @@ -97,6 +97,12 @@ struct vpss_hw_ops { void (*select_ccdc_source)(enum vpss_ccdc_source_sel src_sel); /* clear wbl overflow bit */ int (*clear_wbl_overflow)(enum vpss_wbl_sel wbl_sel); + /* set sync polarity */ + void (*set_sync_pol)(struct vpss_sync_pol); + /* set the PG_FRAME_SIZE register*/ + void (*set_pg_frame_size)(struct vpss_pg_frame_size); + /* check and clear interrupt if occured */ + int (*dma_complete_interrupt)(void); }; /* vpss configuration */ @@ -161,6 +167,14 @@ static void dm355_select_ccdc_source(enum vpss_ccdc_source_sel src_sel) bl_regw(src_sel << VPSS_HSSISEL_SHIFT, DM355_VPSSBL_CCDCMUX); } +int vpss_dma_complete_interrupt(void) +{ + if (!oper_cfg.hw_ops.dma_complete_interrupt) + return 2; + return oper_cfg.hw_ops.dma_complete_interrupt(); +} +EXPORT_SYMBOL(vpss_dma_complete_interrupt); + int vpss_select_ccdc_source(enum vpss_ccdc_source_sel src_sel) { if (!oper_cfg.hw_ops.select_ccdc_source) @@ -186,6 +200,15 @@ static int dm644x_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel) return 0; } +void vpss_set_sync_pol(struct vpss_sync_pol sync) +{ + if (!oper_cfg.hw_ops.set_sync_pol) + return; + + oper_cfg.hw_ops.set_sync_pol(sync); +} +EXPORT_SYMBOL(vpss_set_sync_pol); + int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel) { if (!oper_cfg.hw_ops.clear_wbl_overflow) @@ -351,6 +374,15 @@ void dm365_vpss_set_sync_pol(struct vpss_sync_pol sync) } EXPORT_SYMBOL(dm365_vpss_set_sync_pol); +void vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size) +{ + if (!oper_cfg.hw_ops.set_pg_frame_size) + return; + + oper_cfg.hw_ops.set_pg_frame_size(frame_size); +} +EXPORT_SYMBOL(vpss_set_pg_frame_size); + void dm365_vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size) { int current_reg = ((frame_size.hlpfr >> 1) - 1) << 16; diff --git a/include/media/davinci/vpss.h b/include/media/davinci/vpss.h index b586495..c5f6d9a 100644 --- a/include/media/davinci/vpss.h +++ b/include/media/davinci/vpss.h @@ -105,4 +105,20 @@ enum vpss_wbl_sel { }; /* clear wbl overflow flag for DM6446 */ int vpss_clear_wbl_overflow(enum vpss_wbl_sel wbl_sel); + +/* set sync polarity*/ +void vpss_set_sync_pol(struct vpss_sync_pol sync); +/* set the PG_FRAME_SIZE register */ +void vpss_set_pg_frame_size(struct vpss_pg_frame_size frame_size); +/** + * vpss_check_and_clear_interrupt - check and clear interrupt + * @irq - common enumerator for IRQ + * + * Following return values used:- + * 0 - interrupt occured and cleared + * 1 - interrupt not occured + * 2 - interrupt status not available + */ +int vpss_dma_complete_interrupt(void); + #endif