diff options
Diffstat (limited to 'include/drm/drm_encoder_slave.h')
| -rw-r--r-- | include/drm/drm_encoder_slave.h | 91 |
1 files changed, 74 insertions, 17 deletions
diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h index 7214101fd7..49172166a1 100644 --- a/include/drm/drm_encoder_slave.h +++ b/include/drm/drm_encoder_slave.h @@ -34,12 +34,6 @@ /** * struct drm_encoder_slave_funcs - Entry points exposed by a slave encoder driver - * @set_config: Initialize any encoder-specific modesetting parameters. - * The meaning of the @params parameter is implementation - * dependent. It will usually be a structure with DVO port - * data format settings or timings. It's not required for - * the new parameters to take effect until the next mode - * is set. * * Most of its members are analogous to the function pointers in * &drm_encoder_helper_funcs and they can optionally be used to @@ -48,41 +42,85 @@ * if the encoder is the currently selected one for the connector. */ struct drm_encoder_slave_funcs { + /** + * @set_config: Initialize any encoder-specific modesetting parameters. + * The meaning of the @params parameter is implementation dependent. It + * will usually be a structure with DVO port data format settings or + * timings. It's not required for the new parameters to take effect + * until the next mode is set. + */ void (*set_config)(struct drm_encoder *encoder, void *params); + /** + * @destroy: Analogous to &drm_encoder_funcs @destroy callback. + */ void (*destroy)(struct drm_encoder *encoder); + + /** + * @dpms: Analogous to &drm_encoder_helper_funcs @dpms callback. Wrapped + * by drm_i2c_encoder_dpms(). + */ void (*dpms)(struct drm_encoder *encoder, int mode); + + /** + * @save: Save state. Wrapped by drm_i2c_encoder_save(). + */ void (*save)(struct drm_encoder *encoder); + + /** + * @restore: Restore state. Wrapped by drm_i2c_encoder_restore(). + */ void (*restore)(struct drm_encoder *encoder); + + /** + * @mode_fixup: Analogous to &drm_encoder_helper_funcs @mode_fixup + * callback. Wrapped by drm_i2c_encoder_mode_fixup(). + */ bool (*mode_fixup)(struct drm_encoder *encoder, const struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); + + /** + * @mode_valid: Analogous to &drm_encoder_helper_funcs @mode_valid. + */ int (*mode_valid)(struct drm_encoder *encoder, struct drm_display_mode *mode); + /** + * @mode_set: Analogous to &drm_encoder_helper_funcs @mode_set + * callback. Wrapped by drm_i2c_encoder_mode_set(). + */ void (*mode_set)(struct drm_encoder *encoder, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode); + /** + * @detect: Analogous to &drm_encoder_helper_funcs @detect + * callback. Wrapped by drm_i2c_encoder_detect(). + */ enum drm_connector_status (*detect)(struct drm_encoder *encoder, struct drm_connector *connector); + /** + * @get_modes: Get modes. + */ int (*get_modes)(struct drm_encoder *encoder, struct drm_connector *connector); + /** + * @create_resources: Create resources. + */ int (*create_resources)(struct drm_encoder *encoder, struct drm_connector *connector); + /** + * @set_property: Set property. + */ int (*set_property)(struct drm_encoder *encoder, struct drm_connector *connector, struct drm_property *property, uint64_t val); - }; /** * struct drm_encoder_slave - Slave encoder struct - * @base: DRM encoder object. - * @slave_funcs: Slave encoder callbacks. - * @slave_priv: Slave encoder private data. - * @bus_priv: Bus specific data. * * A &drm_encoder_slave has two sets of callbacks, @slave_funcs and the * ones in @base. The former are never actually called by the common @@ -95,10 +133,24 @@ struct drm_encoder_slave_funcs { * this. */ struct drm_encoder_slave { + /** + * @base: DRM encoder object. + */ struct drm_encoder base; + /** + * @slave_funcs: Slave encoder callbacks. + */ const struct drm_encoder_slave_funcs *slave_funcs; + + /** + * @slave_priv: Slave encoder private data. + */ void *slave_priv; + + /** + * @bus_priv: Bus specific data. + */ void *bus_priv; }; #define to_encoder_slave(x) container_of((x), struct drm_encoder_slave, base) @@ -112,16 +164,20 @@ int drm_i2c_encoder_init(struct drm_device *dev, /** * struct drm_i2c_encoder_driver * - * Describes a device driver for an encoder connected to the GPU - * through an I2C bus. In addition to the entry points in @i2c_driver - * an @encoder_init function should be provided. It will be called to - * give the driver an opportunity to allocate any per-encoder data - * structures and to initialize the @slave_funcs and (optionally) - * @slave_priv members of @encoder. + * Describes a device driver for an encoder connected to the GPU through an I2C + * bus. */ struct drm_i2c_encoder_driver { + /** + * @i2c_driver: I2C device driver description. + */ struct i2c_driver i2c_driver; + /** + * @encoder_init: Callback to allocate any per-encoder data structures + * and to initialize the @slave_funcs and (optionally) @slave_priv + * members of @encoder. + */ int (*encoder_init)(struct i2c_client *client, struct drm_device *dev, struct drm_encoder_slave *encoder); @@ -133,6 +189,7 @@ struct drm_i2c_encoder_driver { /** * drm_i2c_encoder_get_client - Get the I2C client corresponding to an encoder + * @encoder: The encoder */ static inline struct i2c_client *drm_i2c_encoder_get_client(struct drm_encoder *encoder) { |