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authorMaxime Ripard <maxime@cerno.tech>2020-09-03 10:01:26 +0200
committerMaxime Ripard <maxime@cerno.tech>2020-09-07 18:06:09 +0200
commit647b9655061b9e260c296de0e23745ac04d7c96d (patch)
treec6c5af2be09b8fb6eaacb4896cdc06444329c775 /drivers/gpu/drm/vc4/vc4_hdmi.h
parentc457b8aededd6c0b5a4ee6ba408f378791c9ebf8 (diff)
drm/vc4: hdmi: Add PHY RNG enable / disable function
Let's continue the implementation of hooks for the parts that change in the BCM2711 SoC with the PHY RNG setup. Signed-off-by: Maxime Ripard <maxime@cerno.tech> Tested-by: Chanwoo Choi <cw00.choi@samsung.com> Tested-by: Hoegeun Kwon <hoegeun.kwon@samsung.com> Tested-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Dave Stevenson <dave.stevenson@raspberrypi.com> Link: https://patchwork.freedesktop.org/patch/msgid/216155f1c0b83e622ac60a2f7d00eb707de3acba.1599120059.git-series.maxime@cerno.tech
Diffstat (limited to 'drivers/gpu/drm/vc4/vc4_hdmi.h')
-rw-r--r--drivers/gpu/drm/vc4/vc4_hdmi.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.h b/drivers/gpu/drm/vc4/vc4_hdmi.h
index 32c80161c786..950accbc44e4 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.h
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.h
@@ -47,6 +47,12 @@ struct vc4_hdmi_variant {
/* Callback to disable the PHY */
void (*phy_disable)(struct vc4_hdmi *vc4_hdmi);
+
+ /* Callback to enable the RNG in the PHY */
+ void (*phy_rng_enable)(struct vc4_hdmi *vc4_hdmi);
+
+ /* Callback to disable the RNG in the PHY */
+ void (*phy_rng_disable)(struct vc4_hdmi *vc4_hdmi);
};
/* HDMI audio information */
@@ -107,5 +113,7 @@ encoder_to_vc4_hdmi(struct drm_encoder *encoder)
void vc4_hdmi_phy_init(struct vc4_hdmi *vc4_hdmi,
struct drm_display_mode *mode);
void vc4_hdmi_phy_disable(struct vc4_hdmi *vc4_hdmi);
+void vc4_hdmi_phy_rng_enable(struct vc4_hdmi *vc4_hdmi);
+void vc4_hdmi_phy_rng_disable(struct vc4_hdmi *vc4_hdmi);
#endif /* _VC4_HDMI_H_ */