From patchwork Fri Aug 10 10:37:04 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: archit taneja X-Patchwork-Id: 1304861 Return-Path: X-Original-To: patchwork-linux-omap@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 76B3D3FC33 for ; Fri, 10 Aug 2012 10:38:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760175Ab2HJKiq (ORCPT ); Fri, 10 Aug 2012 06:38:46 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:45578 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754345Ab2HJKip (ORCPT ); Fri, 10 Aug 2012 06:38:45 -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 q7AAcjwf027939; Fri, 10 Aug 2012 05:38:45 -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 q7AAcj5E007757; Fri, 10 Aug 2012 05:38:45 -0500 Received: from dlelxv24.itg.ti.com (172.17.1.199) by DLEE74.ent.ti.com (157.170.170.8) with Microsoft SMTP Server id 14.1.323.3; Fri, 10 Aug 2012 05:38:44 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by dlelxv24.itg.ti.com (8.13.8/8.13.8) with ESMTP id q7AAciri017862; Fri, 10 Aug 2012 05:38:45 -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 q7AAchr18326; Fri, 10 Aug 2012 05:38:43 -0500 (CDT) From: Archit Taneja To: CC: , , Archit Taneja Subject: [PATCH 3/5] OMAPDSS: RFBI: Maintain copy of number of data lines in driver data Date: Fri, 10 Aug 2012 16:07:04 +0530 Message-ID: <1344595026-10607-4-git-send-email-archit@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1344595026-10607-1-git-send-email-archit@ti.com> References: <1344595026-10607-1-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 The RFBI driver currently relies on the omap_dss_device struct to configure the number of data lines as specified by the panel. This makes the RFBI interface driver dependent on the omap_dss_device struct. Make the RFBI driver data maintain it's own data lines field. A panel driver is expected to call omapdss_rfbi_set_data_lines() to configure the pixel format before enabling the interface or calling omap_rfbi_configure(). Signed-off-by: Archit Taneja --- drivers/video/omap2/displays/panel-n8x0.c | 7 +++++-- drivers/video/omap2/dss/rfbi.c | 13 ++++++++++--- include/video/omapdss.h | 4 +++- 3 files changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c index f758378..a67729b 100644 --- a/drivers/video/omap2/displays/panel-n8x0.c +++ b/drivers/video/omap2/displays/panel-n8x0.c @@ -151,14 +151,16 @@ static void blizzard_ctrl_setup_update(struct omap_dss_device *dssdev, BLIZZARD_SRC_WRITE_LCD_DESTRUCTIVE; omapdss_rfbi_set_pixel_size(dssdev, 16); + omapdss_rfbi_set_data_lines(dssdev, 8); - omap_rfbi_configure(dssdev, 8); + omap_rfbi_configure(dssdev); blizzard_write(BLIZZARD_INPUT_WIN_X_START_0, tmp, 18); omapdss_rfbi_set_pixel_size(dssdev, 16); + omapdss_rfbi_set_data_lines(dssdev, 16); - omap_rfbi_configure(dssdev, 16); + omap_rfbi_configure(dssdev); } static void mipid_transfer(struct spi_device *spi, int cmd, const u8 *wbuf, @@ -302,6 +304,7 @@ static int n8x0_panel_power_on(struct omap_dss_device *dssdev) } omapdss_rfbi_set_pixel_size(dssdev, dssdev->ctrl.pixel_size); + omapdss_rfbi_set_data_lines(dssdev, dssdev->phy.rfbi.data_lines); r = omapdss_rfbi_display_enable(dssdev); if (r) diff --git a/drivers/video/omap2/dss/rfbi.c b/drivers/video/omap2/dss/rfbi.c index 72d1a8c..a39b1d8 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -113,6 +113,7 @@ static struct { struct semaphore bus_lock; int pixel_size; + int data_lines; } rfbi; static inline void rfbi_write_reg(const struct rfbi_reg idx, u32 val) @@ -772,10 +773,10 @@ static int rfbi_configure(int rfbi_module, int bpp, int lines) return 0; } -int omap_rfbi_configure(struct omap_dss_device *dssdev, int data_lines) +int omap_rfbi_configure(struct omap_dss_device *dssdev) { return rfbi_configure(dssdev->phy.rfbi.channel, rfbi.pixel_size, - data_lines); + rfbi.data_lines); } EXPORT_SYMBOL(omap_rfbi_configure); @@ -785,6 +786,12 @@ void omapdss_rfbi_set_pixel_size(struct omap_dss_device *dssdev, int pixel_size) } EXPORT_SYMBOL(omapdss_rfbi_set_pixel_size); +void omapdss_rfbi_set_data_lines(struct omap_dss_device *dssdev, int data_lines) +{ + rfbi.data_lines = data_lines; +} +EXPORT_SYMBOL(omapdss_rfbi_set_data_lines); + int omap_rfbi_prepare_update(struct omap_dss_device *dssdev, u16 *x, u16 *y, u16 *w, u16 *h) { @@ -920,7 +927,7 @@ int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev) rfbi_config_lcd_manager(dssdev); rfbi_configure(dssdev->phy.rfbi.channel, rfbi.pixel_size, - dssdev->phy.rfbi.data_lines); + rfbi.data_lines); rfbi_set_timings(dssdev->phy.rfbi.channel, &dssdev->ctrl.rfbi_timings); diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 5d5335c..e4fcc89 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -773,8 +773,10 @@ int omap_rfbi_prepare_update(struct omap_dss_device *dssdev, int omap_rfbi_update(struct omap_dss_device *dssdev, u16 x, u16 y, u16 w, u16 h, void (*callback)(void *), void *data); -int omap_rfbi_configure(struct omap_dss_device *dssdev, int data_lines); +int omap_rfbi_configure(struct omap_dss_device *dssdev); void omapdss_rfbi_set_pixel_size(struct omap_dss_device *dssdev, int pixel_size); +void omapdss_rfbi_set_data_lines(struct omap_dss_device *dssdev, + int data_lines); #endif