From: Archit Taneja Date: Mon, 13 Aug 2012 16:43:39 +0000 (+0530) Subject: OMAPDSS: DSI: Maintain copy of video mode timings in driver data X-Git-Tag: firefly_0821_release~3680^2~1437^2^2~103^2~3 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0b3ffe397ab2cfae526568880ab4621ff8f113c9;p=firefly-linux-kernel-4.4.55.git OMAPDSS: DSI: Maintain copy of video mode timings in driver data The DSI driver currently relies on the omap_dss_device struct to receive the video mode timings requested by the panel driver. This makes the DSI interface driver dependent on the omap_dss_device struct. Make the DSI driver data maintain it's own video mode timings field. The panel driver is expected to call omapdss_dsi_set_videomode_timings() to configure the video mode timings before the interface is enabled. Signed-off-by: Archit Taneja --- diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index 62549f61ad2f..96d0024ada40 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -336,6 +336,7 @@ struct dsi_data { struct omap_video_timings timings; enum omap_dss_dsi_pixel_format pix_fmt; enum omap_dss_dsi_mode mode; + struct omap_dss_dsi_videomode_timings vm_timings; }; struct dsi_packet_sent_handler_data { @@ -2366,7 +2367,7 @@ static int dsi_cio_init(struct omap_dss_device *dssdev) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { /* DDR_CLK_ALWAYS_ON */ REG_FLD_MOD(dsidev, DSI_CLK_CTRL, - dssdev->panel.dsi_vm_timings.ddr_clk_always_on, 13, 13); + dsi->vm_timings.ddr_clk_always_on, 13, 13); } dsi->ulps_enabled = false; @@ -2688,6 +2689,7 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel, bool enable) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); DSSDBG("dsi_vc_enable_hs(%d, %d)\n", channel, enable); @@ -2704,7 +2706,7 @@ void omapdss_dsi_vc_enable_hs(struct omap_dss_device *dssdev, int channel, dsi_force_tx_stop_mode_io(dsidev); /* start the DDR clock by sending a NULL packet */ - if (dssdev->panel.dsi_vm_timings.ddr_clk_always_on && enable) + if (dsi->vm_timings.ddr_clk_always_on && enable) dsi_vc_send_null(dssdev, channel); } EXPORT_SYMBOL(omapdss_dsi_vc_enable_hs); @@ -3638,8 +3640,9 @@ static void dsi_config_vp_num_line_buffers(struct omap_dss_device *dssdev) static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - bool vsync_end = dssdev->panel.dsi_vm_timings.vp_vsync_end; - bool hsync_end = dssdev->panel.dsi_vm_timings.vp_hsync_end; + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + bool vsync_end = dsi->vm_timings.vp_vsync_end; + bool hsync_end = dsi->vm_timings.vp_hsync_end; u32 r; r = dsi_read_reg(dsidev, DSI_CTRL); @@ -3656,10 +3659,11 @@ static void dsi_config_vp_sync_events(struct omap_dss_device *dssdev) static void dsi_config_blanking_modes(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); - int blanking_mode = dssdev->panel.dsi_vm_timings.blanking_mode; - int hfp_blanking_mode = dssdev->panel.dsi_vm_timings.hfp_blanking_mode; - int hbp_blanking_mode = dssdev->panel.dsi_vm_timings.hbp_blanking_mode; - int hsa_blanking_mode = dssdev->panel.dsi_vm_timings.hsa_blanking_mode; + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + int blanking_mode = dsi->vm_timings.blanking_mode; + int hfp_blanking_mode = dsi->vm_timings.hfp_blanking_mode; + int hbp_blanking_mode = dsi->vm_timings.hbp_blanking_mode; + int hsa_blanking_mode = dsi->vm_timings.hsa_blanking_mode; u32 r; /* @@ -3992,14 +3996,14 @@ static void dsi_proto_timings(struct omap_dss_device *dssdev) if (dsi->mode == OMAP_DSS_DSI_VIDEO_MODE) { /* TODO: Implement a video mode check_timings function */ - int hsa = dssdev->panel.dsi_vm_timings.hsa; - int hfp = dssdev->panel.dsi_vm_timings.hfp; - int hbp = dssdev->panel.dsi_vm_timings.hbp; - int vsa = dssdev->panel.dsi_vm_timings.vsa; - int vfp = dssdev->panel.dsi_vm_timings.vfp; - int vbp = dssdev->panel.dsi_vm_timings.vbp; - int window_sync = dssdev->panel.dsi_vm_timings.window_sync; - bool hsync_end = dssdev->panel.dsi_vm_timings.vp_hsync_end; + int hsa = dsi->vm_timings.hsa; + int hfp = dsi->vm_timings.hfp; + int hbp = dsi->vm_timings.hbp; + int vsa = dsi->vm_timings.vsa; + int vfp = dsi->vm_timings.vfp; + int vbp = dsi->vm_timings.vbp; + int window_sync = dsi->vm_timings.window_sync; + bool hsync_end = dsi->vm_timings.vp_hsync_end; struct omap_video_timings *timings = &dsi->timings; int bpp = dsi_get_pixel_size(dsi->pix_fmt); int tl, t_he, width_bytes; @@ -4715,6 +4719,20 @@ void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev, } EXPORT_SYMBOL(omapdss_dsi_set_operation_mode); +void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev, + struct omap_dss_dsi_videomode_timings *timings) +{ + struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); + struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev); + + mutex_lock(&dsi->lock); + + dsi->vm_timings = *timings; + + mutex_unlock(&dsi->lock); +} +EXPORT_SYMBOL(omapdss_dsi_set_videomode_timings); + static int __init dsi_init_display(struct omap_dss_device *dssdev) { struct platform_device *dsidev = dsi_get_dsidev_from_dssdev(dssdev); diff --git a/include/video/omapdss.h b/include/video/omapdss.h index 363235cc642f..bf6d16b405a2 100644 --- a/include/video/omapdss.h +++ b/include/video/omapdss.h @@ -726,6 +726,8 @@ void omapdss_dsi_set_pixel_format(struct omap_dss_device *dssdev, enum omap_dss_dsi_pixel_format fmt); void omapdss_dsi_set_operation_mode(struct omap_dss_device *dssdev, enum omap_dss_dsi_mode mode); +void omapdss_dsi_set_videomode_timings(struct omap_dss_device *dssdev, + struct omap_dss_dsi_videomode_timings *timings); int omap_dsi_update(struct omap_dss_device *dssdev, int channel, void (*callback)(int, void *), void *data);