Commit a7c47d6d authored by Rob Clark's avatar Rob Clark

drm: i2c encoder helper wrappers

Simplify life for drivers using an encoder-slave, so that they can make
their drm_encoder_helper_funcs const, rather than needing to dynamically
allocate and populate them.
Signed-off-by: default avatarRob Clark <robdclark@gmail.com>
parent 6f646095
...@@ -123,3 +123,66 @@ void drm_i2c_encoder_destroy(struct drm_encoder *drm_encoder) ...@@ -123,3 +123,66 @@ void drm_i2c_encoder_destroy(struct drm_encoder *drm_encoder)
module_put(module); module_put(module);
} }
EXPORT_SYMBOL(drm_i2c_encoder_destroy); EXPORT_SYMBOL(drm_i2c_encoder_destroy);
/*
* Wrapper fxns which can be plugged in to drm_encoder_helper_funcs:
*/
static inline struct drm_encoder_slave_funcs *
get_slave_funcs(struct drm_encoder *enc)
{
return to_encoder_slave(enc)->slave_funcs;
}
void drm_i2c_encoder_dpms(struct drm_encoder *encoder, int mode)
{
get_slave_funcs(encoder)->dpms(encoder, mode);
}
EXPORT_SYMBOL(drm_i2c_encoder_dpms);
bool drm_i2c_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
return get_slave_funcs(encoder)->mode_fixup(encoder, mode, adjusted_mode);
}
EXPORT_SYMBOL(drm_i2c_encoder_mode_fixup);
void drm_i2c_encoder_prepare(struct drm_encoder *encoder)
{
drm_i2c_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
}
EXPORT_SYMBOL(drm_i2c_encoder_prepare);
void drm_i2c_encoder_commit(struct drm_encoder *encoder)
{
drm_i2c_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
}
EXPORT_SYMBOL(drm_i2c_encoder_commit);
void drm_i2c_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode)
{
get_slave_funcs(encoder)->mode_set(encoder, mode, adjusted_mode);
}
EXPORT_SYMBOL(drm_i2c_encoder_mode_set);
enum drm_connector_status drm_i2c_encoder_detect(struct drm_encoder *encoder,
struct drm_connector *connector)
{
return get_slave_funcs(encoder)->detect(encoder, connector);
}
EXPORT_SYMBOL(drm_i2c_encoder_detect);
void drm_i2c_encoder_save(struct drm_encoder *encoder)
{
get_slave_funcs(encoder)->save(encoder);
}
EXPORT_SYMBOL(drm_i2c_encoder_save);
void drm_i2c_encoder_restore(struct drm_encoder *encoder)
{
get_slave_funcs(encoder)->restore(encoder);
}
EXPORT_SYMBOL(drm_i2c_encoder_restore);
...@@ -159,4 +159,24 @@ static inline void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *dri ...@@ -159,4 +159,24 @@ static inline void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *dri
void drm_i2c_encoder_destroy(struct drm_encoder *encoder); void drm_i2c_encoder_destroy(struct drm_encoder *encoder);
/*
* Wrapper fxns which can be plugged in to drm_encoder_helper_funcs:
*/
void drm_i2c_encoder_dpms(struct drm_encoder *encoder, int mode);
bool drm_i2c_encoder_mode_fixup(struct drm_encoder *encoder,
const struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
void drm_i2c_encoder_prepare(struct drm_encoder *encoder);
void drm_i2c_encoder_commit(struct drm_encoder *encoder);
void drm_i2c_encoder_mode_set(struct drm_encoder *encoder,
struct drm_display_mode *mode,
struct drm_display_mode *adjusted_mode);
enum drm_connector_status drm_i2c_encoder_detect(struct drm_encoder *encoder,
struct drm_connector *connector);
void drm_i2c_encoder_save(struct drm_encoder *encoder);
void drm_i2c_encoder_restore(struct drm_encoder *encoder);
#endif #endif
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