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| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2018-02-14 21:09:04 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-02-16 09:38:30 +0100 |
| commit | b7c7436a5ff0dd6a37de16310a7154cbfaca3a64 (patch) | |
| tree | 98d4b862213d699400cc99ddc28b480704b0907b /drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h | |
| parent | 47095e1635aa17a94bb1decdba3de1e21955d379 (diff) | |
| download | linux-b7c7436a5ff0dd6a37de16310a7154cbfaca3a64.tar.bz2 | |
drm/sun4i: Implement A83T HDMI driver
A83T has DW HDMI IP block with a custom PHY similar to Synopsys gen2
HDMI PHY.
Only video output was tested, while HW also supports audio and CEC.
Support for them will be added later.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180214200906.31509-11-jernej.skrabec@siol.net
Diffstat (limited to 'drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h')
| -rw-r--r-- | drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h new file mode 100644 index 000000000000..d8d0684fc8aa --- /dev/null +++ b/drivers/gpu/drm/sun4i/sun8i_dw_hdmi.h @@ -0,0 +1,44 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2018 Jernej Skrabec <jernej.skrabec@siol.net> + */ + +#ifndef _SUN8I_DW_HDMI_H_ +#define _SUN8I_DW_HDMI_H_ + +#include <drm/bridge/dw_hdmi.h> +#include <drm/drm_encoder.h> +#include <linux/clk.h> +#include <linux/regmap.h> +#include <linux/reset.h> + +struct sun8i_hdmi_phy { + struct clk *clk_bus; + struct clk *clk_mod; + struct regmap *regs; + struct reset_control *rst_phy; +}; + +struct sun8i_dw_hdmi { + struct clk *clk_tmds; + struct device *dev; + struct dw_hdmi *hdmi; + struct drm_encoder encoder; + struct sun8i_hdmi_phy *phy; + struct dw_hdmi_plat_data plat_data; + struct reset_control *rst_ctrl; +}; + +static inline struct sun8i_dw_hdmi * +encoder_to_sun8i_dw_hdmi(struct drm_encoder *encoder) +{ + return container_of(encoder, struct sun8i_dw_hdmi, encoder); +} + +int sun8i_hdmi_phy_probe(struct sun8i_dw_hdmi *hdmi, struct device_node *node); +void sun8i_hdmi_phy_remove(struct sun8i_dw_hdmi *hdmi); + +void sun8i_hdmi_phy_init(struct sun8i_hdmi_phy *phy); +const struct dw_hdmi_phy_ops *sun8i_hdmi_phy_get_ops(void); + +#endif /* _SUN8I_DW_HDMI_H_ */ |