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Diffstat (limited to 'include/drm/drm_encoder_slave.h')
| -rw-r--r-- | include/drm/drm_encoder_slave.h | 241 |
1 files changed, 0 insertions, 241 deletions
diff --git a/include/drm/drm_encoder_slave.h b/include/drm/drm_encoder_slave.h deleted file mode 100644 index 49172166a164..000000000000 --- a/include/drm/drm_encoder_slave.h +++ /dev/null @@ -1,241 +0,0 @@ -/* - * Copyright (C) 2009 Francisco Jerez. - * All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice (including the - * next paragraph) shall be included in all copies or substantial - * portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. - * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - * - */ - -#ifndef __DRM_ENCODER_SLAVE_H__ -#define __DRM_ENCODER_SLAVE_H__ - -#include <linux/i2c.h> - -#include <drm/drm_crtc.h> -#include <drm/drm_encoder.h> - -/** - * struct drm_encoder_slave_funcs - Entry points exposed by a slave encoder driver - * - * Most of its members are analogous to the function pointers in - * &drm_encoder_helper_funcs and they can optionally be used to - * initialize the latter. Connector-like methods (e.g. @get_modes and - * @set_property) will typically be wrapped around and only be called - * 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 - * - * 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 - * CRTC code, it's just a convenience for splitting the encoder - * functions in an upper, GPU-specific layer and a (hopefully) - * GPU-agnostic lower layer: It's the GPU driver responsibility to - * call the slave methods when appropriate. - * - * drm_i2c_encoder_init() provides a way to get an implementation of - * 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) - -int drm_i2c_encoder_init(struct drm_device *dev, - struct drm_encoder_slave *encoder, - struct i2c_adapter *adap, - const struct i2c_board_info *info); - - -/** - * struct drm_i2c_encoder_driver - * - * 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); - -}; -#define to_drm_i2c_encoder_driver(x) container_of((x), \ - struct drm_i2c_encoder_driver, \ - i2c_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) -{ - return (struct i2c_client *)to_encoder_slave(encoder)->bus_priv; -} - -/** - * drm_i2c_encoder_register - Register an I2C encoder driver - * @owner: Module containing the driver. - * @driver: Driver to be registered. - */ -static inline int drm_i2c_encoder_register(struct module *owner, - struct drm_i2c_encoder_driver *driver) -{ - return i2c_register_driver(owner, &driver->i2c_driver); -} - -/** - * drm_i2c_encoder_unregister - Unregister an I2C encoder driver - * @driver: Driver to be unregistered. - */ -static inline void drm_i2c_encoder_unregister(struct drm_i2c_encoder_driver *driver) -{ - i2c_del_driver(&driver->i2c_driver); -} - -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 |