Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752393Ab2KPOs3 (ORCPT ); Fri, 16 Nov 2012 09:48:29 -0500 Received: from mail-da0-f46.google.com ([209.85.210.46]:32926 "EHLO mail-da0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752220Ab2KPOrc (ORCPT ); Fri, 16 Nov 2012 09:47:32 -0500 From: Prabhakar Lad To: LMML Cc: LKML , DLOS , Manjunath Hadli , Prabhakar Lad , Mauro Carvalho Chehab Subject: [PATCH v2 10/12] davinci: vpss: dm365: add vpss helper functions to be used in the main driver for setting hardware parameters Date: Fri, 16 Nov 2012 20:15:12 +0530 Message-Id: <1353077114-19296-11-git-send-email-prabhakar.lad@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1353077114-19296-1-git-send-email-prabhakar.lad@ti.com> References: <1353077114-19296-1-git-send-email-prabhakar.lad@ti.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3567 Lines: 109 From: Manjunath Hadli add interface functions 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 a36d694..4b7c7ecc 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..153473d 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 occurred and cleared + * 1 - interrupt not occurred + * 2 - interrupt status not available + */ +int vpss_dma_complete_interrupt(void); + #endif -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/