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Commit 478d7df8 authored by Tomi Valkeinen's avatar Tomi Valkeinen
Browse files

OMAPDSS: DSI: add enum omap_dss_dsi_trans_mode 



Instead of managing DSI sync ends with booleans, add an enum for the DSI
transfer mode. This is much cleaner way to handle the DSI syncs.

Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
parent 99322577

drivers/video/omap2/dss/dsi.c

+10 −5
Original line number Diff line number Diff line
@@ -3813,18 +3813,22 @@ static void dsi_config_vp_num_line_buffers(struct platform_device *dsidev) 
static void dsi_config_vp_sync_events(struct platform_device *dsidev)

{

	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;

	bool sync_end;

	u32 r;



	if (dsi->vm_timings.trans_mode == OMAP_DSS_DSI_PULSE_MODE)

		sync_end = true;

	else

		sync_end = false;



	r = dsi_read_reg(dsidev, DSI_CTRL);

	r = FLD_MOD(r, 1, 9, 9);		/* VP_DE_POL */

	r = FLD_MOD(r, 1, 10, 10);		/* VP_HSYNC_POL */

	r = FLD_MOD(r, 1, 11, 11);		/* VP_VSYNC_POL */

	r = FLD_MOD(r, 1, 15, 15);		/* VP_VSYNC_START */

	r = FLD_MOD(r, vsync_end, 16, 16);	/* VP_VSYNC_END */

	r = FLD_MOD(r, sync_end, 16, 16);	/* VP_VSYNC_END */

	r = FLD_MOD(r, 1, 17, 17);		/* VP_HSYNC_START */

	r = FLD_MOD(r, hsync_end, 18, 18);	/* VP_HSYNC_END */

	r = FLD_MOD(r, sync_end, 18, 18);	/* VP_HSYNC_END */

	dsi_write_reg(dsidev, DSI_CTRL, r);

}
@@ -4171,11 +4175,12 @@ static void dsi_proto_timings(struct platform_device *dsidev) 
		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;

		bool hsync_end;

		struct omap_video_timings *timings = &dsi->timings;

		int bpp = dsi_get_pixel_size(dsi->pix_fmt);

		int tl, t_he, width_bytes;



		hsync_end = dsi->vm_timings.trans_mode == OMAP_DSS_DSI_PULSE_MODE;

		t_he = hsync_end ?

			((hsa == 0 && ndl == 3) ? 1 : DIV_ROUND_UP(4, ndl)) : 0;

include/video/omapdss.h

+10 −3
Original line number Diff line number Diff line
@@ -257,6 +257,15 @@ void rfbi_bus_unlock(void); 


/* DSI */



enum omap_dss_dsi_trans_mode {

	/* Sync Pulses: both sync start and end packets sent */

	OMAP_DSS_DSI_PULSE_MODE,

	/* Sync Events: only sync start packets sent */

	OMAP_DSS_DSI_EVENT_MODE,

	/* Burst: only sync start packets sent, pixels are time compressed */

	OMAP_DSS_DSI_BURST_MODE,

};



struct omap_dss_dsi_videomode_timings {

	/* DSI video mode blanking data */

	/* Unit: byte clock cycles */
@@ -274,9 +283,7 @@ struct omap_dss_dsi_videomode_timings { 
	int hbp_blanking_mode;

	int hfp_blanking_mode;



	/* Video port sync events */

	bool vp_vsync_end;

	bool vp_hsync_end;

	enum omap_dss_dsi_trans_mode trans_mode;



	bool ddr_clk_always_on;

	int window_sync;