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Unverified Commit 0305189a authored by Jernej Skrabec's avatar Jernej Skrabec Committed by Maxime Ripard
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drm/sun4i: tcon: Add support for R40 TCON 



R40 TV TCON is basically the same as on A83T. However, it needs special
handling, because it has to set up TCON TOP muxes at runtime.

Reviewed-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarJernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180710203511.18454-14-jernej.skrabec@siol.net
parent cf77d79b

drivers/gpu/drm/sun4i/sun4i_tcon.c

+40 −0
Original line number Diff line number Diff line
@@ -1319,6 +1319,40 @@ static int sun6i_tcon_set_mux(struct sun4i_tcon *tcon, 
	return 0;

}



static int sun8i_r40_tcon_tv_set_mux(struct sun4i_tcon *tcon,

				     const struct drm_encoder *encoder)

{

	struct device_node *port, *remote;

	struct platform_device *pdev;

	int id, ret;



	/* find TCON TOP platform device and TCON id */



	port = of_graph_get_port_by_id(tcon->dev->of_node, 0);

	if (!port)

		return -EINVAL;



	id = sun4i_tcon_of_get_id_from_port(port);

	of_node_put(port);



	remote = of_graph_get_remote_node(tcon->dev->of_node, 0, -1);

	if (!remote)

		return -EINVAL;



	pdev = of_find_device_by_node(remote);

	of_node_put(remote);

	if (!pdev)

		return -EINVAL;



	if (encoder->encoder_type == DRM_MODE_ENCODER_TMDS) {

		ret = sun8i_tcon_top_set_hdmi_src(&pdev->dev, id);

		if (ret)

			return ret;

	}



	return sun8i_tcon_top_de_config(&pdev->dev, tcon->id, id);

}



static const struct sun4i_tcon_quirks sun4i_a10_quirks = {

	.has_channel_0		= true,

	.has_channel_1		= true,
@@ -1366,6 +1400,11 @@ static const struct sun4i_tcon_quirks sun8i_a83t_tv_quirks = { 
	.has_channel_1		= true,

};



static const struct sun4i_tcon_quirks sun8i_r40_tv_quirks = {

	.has_channel_1		= true,

	.set_mux		= sun8i_r40_tcon_tv_set_mux,

};



static const struct sun4i_tcon_quirks sun8i_v3s_quirks = {

	.has_channel_0		= true,

};
@@ -1390,6 +1429,7 @@ const struct of_device_id sun4i_tcon_of_table[] = { 
	{ .compatible = "allwinner,sun8i-a33-tcon", .data = &sun8i_a33_quirks },

	{ .compatible = "allwinner,sun8i-a83t-tcon-lcd", .data = &sun8i_a83t_lcd_quirks },

	{ .compatible = "allwinner,sun8i-a83t-tcon-tv", .data = &sun8i_a83t_tv_quirks },

	{ .compatible = "allwinner,sun8i-r40-tcon-tv", .data = &sun8i_r40_tv_quirks },

	{ .compatible = "allwinner,sun8i-v3s-tcon", .data = &sun8i_v3s_quirks },

	{ .compatible = "allwinner,sun9i-a80-tcon-lcd", .data = &sun9i_a80_tcon_lcd_quirks },

	{ .compatible = "allwinner,sun9i-a80-tcon-tv", .data = &sun9i_a80_tcon_tv_quirks },