From mboxrd@z Thu Jan 1 00:00:00 1970 From: Archit Taneja Date: Thu, 16 Aug 2012 07:48:32 +0000 Subject: [PATCH 4/6] OMAPDSS: RFBI: Maitain copy of rfbi timings in driver data Message-Id: <1345102594-6222-5-git-send-email-archit@ti.com> List-Id: References: <343817088-29645-1-git-send-email-archit@ti.com> <1345102594-6222-1-git-send-email-archit@ti.com> In-Reply-To: <1345102594-6222-1-git-send-email-archit@ti.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: tomi.valkeinen@ti.com Cc: linux-omap@vger.kernel.org, linux-fbdev@vger.kernel.org, Archit Taneja The RFBI driver currently relies on the omap_dss_device struct to receive the rfbi specific timings requested by the panel driver. This makes the RFBI interface driver dependent on the omap_dss_device struct. Make the RFBI driver data maintain it's own rfbi specific timings field. The panel driver is expected to call omapdss_rfbi_set_interface_timings() to configure the rfbi timings before the interface is enabled. The function takes a void pointer rather than a pointer to rfbi_timings struct. This is because this function will finally be an output op shared across different outputs to set custom or private timings. Signed-off-by: Archit Taneja --- drivers/video/omap2/displays/panel-n8x0.c | 2 ++ drivers/video/omap2/dss/rfbi.c | 14 +++++++++++--- include/video/omapdss.h | 2 ++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/video/omap2/displays/panel-n8x0.c b/drivers/video/omap2/displays/panel-n8x0.c index 3ffd987..14adc1d 100644 --- a/drivers/video/omap2/displays/panel-n8x0.c +++ b/drivers/video/omap2/displays/panel-n8x0.c @@ -307,6 +307,8 @@ static int n8x0_panel_power_on(struct omap_dss_device *dssdev) dssdev->panel.timings.y_res); omapdss_rfbi_set_pixel_size(dssdev, dssdev->ctrl.pixel_size); omapdss_rfbi_set_data_lines(dssdev, dssdev->phy.rfbi.data_lines); + omapdss_rfbi_set_interface_timings(dssdev, + (void *) &dssdev->ctrl.rfbi_timings); 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 698d5b9..b5b0bc6 100644 --- a/drivers/video/omap2/dss/rfbi.c +++ b/drivers/video/omap2/dss/rfbi.c @@ -115,6 +115,7 @@ static struct { struct omap_video_timings timings; int pixel_size; int data_lines; + struct rfbi_timings intf_timings; } rfbi; static inline void rfbi_write_reg(const struct rfbi_reg idx, u32 val) @@ -799,6 +800,15 @@ void omapdss_rfbi_set_data_lines(struct omap_dss_device *dssdev, int data_lines) } EXPORT_SYMBOL(omapdss_rfbi_set_data_lines); +void omapdss_rfbi_set_interface_timings(struct omap_dss_device *dssdev, + void *timings) +{ + struct rfbi_timings *t = (struct rfbi_timings *) timings; + + rfbi.intf_timings = *t; +} +EXPORT_SYMBOL(omapdss_rfbi_set_interface_timings); + static void rfbi_dump_regs(struct seq_file *s) { #define DUMPREG(r) seq_printf(s, "%-35s %08x\n", #r, rfbi_read_reg(r)) @@ -907,9 +917,7 @@ int omapdss_rfbi_display_enable(struct omap_dss_device *dssdev) rfbi_configure(dssdev->phy.rfbi.channel, rfbi.pixel_size, rfbi.data_lines); - rfbi_set_timings(dssdev->phy.rfbi.channel, - &dssdev->ctrl.rfbi_timings); - + rfbi_set_timings(dssdev->phy.rfbi.channel, &rfbi.intf_timings); return 0; err1: diff --git a/include/video/omapdss.h b/include/video/omapdss.h index faac986..91eba93 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -765,5 +765,7 @@ 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); +void omapdss_rfbi_set_interface_timings(struct omap_dss_device *dssdev, + void *timings); #endif -- 1.7.9.5