int mipi_dsi_video_config(unsigned short num_of_lanes)
{

	int status = 0;
	unsigned long ReadValue;
	unsigned long count = 0;
	unsigned long low_pwr_stop_mode = 0;	// low power mode 0x1111 start from
	// bit16, high spd mode 0x0
	unsigned char eof_bllp_pwr = 0x9;	// bit 12, 15, 1:low power stop mode or
	// let cmd mode eng send packets in hs
	// or lp mode
	unsigned short image_wd = mipi_fb_cfg.width;
	unsigned short image_ht = mipi_fb_cfg.height;
	unsigned short display_wd = mipi_fb_cfg.width;
	unsigned short display_ht = mipi_fb_cfg.height;
	unsigned short hsync_porch_fp = MIPI_HSYNC_FRONT_PORCH_DCLK;
	unsigned short hsync_porch_bp = MIPI_HSYNC_BACK_PORCH_DCLK;
	unsigned short vsync_porch_fp = MIPI_VSYNC_FRONT_PORCH_LINES;
	unsigned short vsync_porch_bp = MIPI_VSYNC_BACK_PORCH_LINES;
	unsigned short hsync_width = MIPI_HSYNC_PULSE_WIDTH;
	unsigned short vsync_width = MIPI_VSYNC_PULSE_WIDTH;
	unsigned short dst_format = 0;
	unsigned short traffic_mode = 0;
	unsigned short pack_pattern = 0x12;	//BGR
	unsigned char ystride = 3;

	low_pwr_stop_mode = 0x1111;	// low pwr mode bit16:HSA, bit20:HBA,
	// bit24:HFP, bit28:PULSE MODE, need enough
	// time for swithc from LP to HS
	eof_bllp_pwr = 0x9;	// low power stop mode or let cmd mode eng send
	// packets in hs or lp mode

	status +=
	    config_dsi_video_mode(display_wd, display_ht, image_wd, image_ht,
				  hsync_porch_fp, hsync_porch_bp,
				  vsync_porch_fp, vsync_porch_bp, hsync_width,
				  vsync_width, dst_format, traffic_mode,
				  num_of_lanes);

	status +=
	    mdp_setup_dma_p_video_mode(display_wd, display_ht, image_wd,
				       image_ht, hsync_porch_fp, hsync_porch_bp,
				       vsync_porch_fp, vsync_porch_bp,
				       hsync_width, vsync_width, MIPI_FB_ADDR,
				       image_wd, pack_pattern, ystride);

	ReadValue = readl(DSI_INT_CTRL) & 0x00010000;
	while (ReadValue != 0x00010000) {
		ReadValue = readl(DSI_INT_CTRL) & 0x00010000;
		count++;
		if (count > 0xffff) {
			status = FAIL;
			dprintf(CRITICAL, "Video lane test failed\n");
			return status;
		}
	}

	dprintf(SPEW, "Video lane tested successfully\n");
	return status;
}
Esempio n. 2
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int mipi_dsi_video_config(unsigned short num_of_lanes)
{

	int status = 0;
	unsigned long ReadValue;
	unsigned long count = 0;
	unsigned long low_pwr_stop_mode = 0;	// low power mode 0x1111 start from
	// bit16, high spd mode 0x0
	unsigned char eof_bllp_pwr = 0x9;	// bit 12, 15, 1:low power stop mode or
	// let cmd mode eng send packets in hs
	// or lp mode
	unsigned short image_wd = mipi_fb_cfg.width;
	unsigned short image_ht = mipi_fb_cfg.height;
#if !DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
	unsigned short display_wd = mipi_fb_cfg.width;
	unsigned short display_ht = mipi_fb_cfg.height;
	unsigned short hsync_porch_fp = MIPI_HSYNC_FRONT_PORCH_DCLK;
	unsigned short hsync_porch_bp = MIPI_HSYNC_BACK_PORCH_DCLK;
	unsigned short vsync_porch_fp = MIPI_VSYNC_FRONT_PORCH_LINES;
	unsigned short vsync_porch_bp = MIPI_VSYNC_BACK_PORCH_LINES;
	unsigned short hsync_width = MIPI_HSYNC_PULSE_WIDTH;
	unsigned short vsync_width = MIPI_VSYNC_PULSE_WIDTH;
	unsigned short dst_format = 0;
	unsigned short traffic_mode = 0;
#endif
	unsigned short pack_pattern = 0x12;	//BGR
	unsigned char ystride = 3;

	low_pwr_stop_mode = 0x1111;	// low pwr mode bit16:HSA, bit20:HBA,
	// bit24:HFP, bit28:PULSE MODE, need enough
	// time for swithc from LP to HS
	eof_bllp_pwr = 0x9;	// low power stop mode or let cmd mode eng send
	// packets in hs or lp mode

#if DISPLAY_MIPI_PANEL_TOSHIBA_MDT61
	pack_pattern = 0x21;	//RGB
	config_mdt61_dsi_video_mode();

	/* Two functions make up mdp_setup_dma_p_video_mode with mdt61 panel functions */
	mdp_setup_dma_p_video_config(pack_pattern, image_wd, image_ht,
				     MIPI_FB_ADDR, image_wd, ystride);
	mdp_setup_mdt61_video_dsi_config();
#elif DISPLAY_MIPI_PANEL_RENESAS
	if (machine_is_7x25a()) {
		display_wd = REN_MIPI_FB_WIDTH_HVGA;
		display_ht = REN_MIPI_FB_HEIGHT_HVGA;
		image_wd = REN_MIPI_FB_WIDTH_HVGA;
		image_ht = REN_MIPI_FB_HEIGHT_HVGA;
		hsync_porch_fp = MIPI_HSYNC_FRONT_PORCH_DCLK_HVGA;
		hsync_porch_bp = MIPI_HSYNC_BACK_PORCH_DCLK_HVGA;
		vsync_porch_fp = MIPI_VSYNC_FRONT_PORCH_LINES_HVGA;
		vsync_porch_bp = MIPI_VSYNC_BACK_PORCH_LINES_HVGA;
		hsync_width = MIPI_HSYNC_PULSE_WIDTH_HVGA;
		vsync_width = MIPI_VSYNC_PULSE_WIDTH_HVGA;
	}

	pack_pattern = 0x21;	//RGB
	config_renesas_dsi_video_mode();

	status +=
	    mdp_setup_dma_p_video_mode(display_wd, display_ht, image_wd,
				       image_ht, hsync_porch_fp, hsync_porch_bp,
				       vsync_porch_fp, vsync_porch_bp,
				       hsync_width, vsync_width, MIPI_FB_ADDR,
				       image_wd, pack_pattern, ystride);
#else
	status +=
	    config_dsi_video_mode(display_wd, display_ht, image_wd, image_ht,
				  hsync_porch_fp, hsync_porch_bp,
				  vsync_porch_fp, vsync_porch_bp, hsync_width,
				  vsync_width, dst_format, traffic_mode,
				  num_of_lanes);

	status +=
	    mdp_setup_dma_p_video_mode(display_wd, display_ht, image_wd,
				       image_ht, hsync_porch_fp, hsync_porch_bp,
				       vsync_porch_fp, vsync_porch_bp,
				       hsync_width, vsync_width, MIPI_FB_ADDR,
				       image_wd, pack_pattern, ystride);
#endif

	ReadValue = readl(DSI_INT_CTRL) & 0x00010000;
	while (ReadValue != 0x00010000) {
		ReadValue = readl(DSI_INT_CTRL) & 0x00010000;
		count++;
		if (count > 0xffff) {
			status = FAIL;
			dprintf(CRITICAL, "Video lane test failed\n");
			return status;
		}
	}

	dprintf(SPEW, "Video lane tested successfully\n");
	return status;
}