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/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _SDE_CONNECTOR_H_
#define _SDE_CONNECTOR_H_
#include <drm/drmP.h>
#include <drm/drm_atomic.h>
#include <drm/drm_panel.h>
#include "msm_drv.h"
#include "msm_prop.h"
#include "sde_kms.h"
#include "sde_fence.h"
#define SDE_MODE_HPD_ON 0
#define SDE_MODE_HPD_OFF 1
#define SDE_CONNECTOR_NAME_SIZE 16
struct sde_connector;
struct sde_connector_state;
/**
* struct sde_connector_ops - callback functions for generic sde connector
* Individual callbacks documented below.
*/
struct sde_connector_ops {
/**
* post_init - perform additional initialization steps
* @connector: Pointer to drm connector structure
* @info: Pointer to sde connector info structure
* @display: Pointer to private display handle
* Returns: Zero on success
*/
int (*post_init)(struct drm_connector *connector,
void *info,
void *display);
/**
* pre_deinit - perform additional deinitialization steps
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* Returns: Zero on success
*/
int (*pre_deinit)(struct drm_connector *connector,
void *display);
/**
* detect - determine if connector is connected
* @connector: Pointer to drm connector structure
* @force: Force detect setting from drm framework
* @display: Pointer to private display handle
* Returns: Connector 'is connected' status
*/
enum drm_connector_status (*detect)(struct drm_connector *connector,
bool force,
void *display);
/**
* get_modes - add drm modes via drm_mode_probed_add()
* @connector: Pointer to drm connector structure
* @display: Pointer to private display handle
* Returns: Number of modes added
*/
int (*get_modes)(struct drm_connector *connector,
void *display);
/**
* mode_valid - determine if specified mode is valid
* @connector: Pointer to drm connector structure
* @mode: Pointer to drm mode structure
* @display: Pointer to private display handle
* Returns: Validity status for specified mode
*/
enum drm_mode_status (*mode_valid)(struct drm_connector *connector,
struct drm_display_mode *mode,
void *display);
/**
* set_property - set property value
* @connector: Pointer to drm connector structure
* @state: Pointer to drm connector state structure
* @property_index: DRM property index
* @value: Incoming property value
* @display: Pointer to private display structure
* Returns: Zero on success
*/
int (*set_property)(struct drm_connector *connector,
struct drm_connector_state *state,
int property_index,
uint64_t value,
void *display);
/**
* get_property - get property value
* @connector: Pointer to drm connector structure
* @state: Pointer to drm connector state structure
* @property_index: DRM property index
* @value: Pointer to variable for accepting property value
* @display: Pointer to private display structure
* Returns: Zero on success
*/
int (*get_property)(struct drm_connector *connector,
struct drm_connector_state *state,
int property_index,
uint64_t *value,
void *display);
/**
* get_info - get display information
* @info: Pointer to msm display info structure
* @display: Pointer to private display structure
* Returns: Zero on success
*/
int (*get_info)(struct msm_display_info *info, void *display);
/**
* set_topology_ctl - set sde display topology property
* @connector: Pointer to drm connector structure
* @adj_mode: adjusted mode
* @display: Pointer to private display structure
* Returns: Zero on success
*/
int (*set_topology_ctl)(struct drm_connector *connector,
struct drm_display_mode *adj_mode, void *display);
int (*set_backlight)(void *display, u32 bl_lvl);
/**
* pre_kickoff - trigger display to program kickoff-time features
* @connector: Pointer to drm connector structure
* @display: Pointer to private display structure
* @params: Parameter bundle of connector-stored information for
* kickoff-time programming into the display
* Returns: Zero on success
*/
int (*pre_kickoff)(struct drm_connector *connector,
void *display,
struct msm_display_kickoff_params *params);
/**
* mode_needs_full_range - does the mode need full range
* quantization
* @display: Pointer to private display structure
* Returns: true or false based on whether full range is needed
*/
bool (*mode_needs_full_range)(void *display);
/**
* get_csc_type - returns the CSC type to be used
* by the CDM block based on HDR state
* @connector: Pointer to drm connector structure
* @display: Pointer to private display structure
* Returns: type of CSC matrix to be used
*/
enum sde_csc_type (*get_csc_type)(struct drm_connector *connector,
void *display);
/**
* set_power - update dpms setting
* @connector: Pointer to drm connector structure
* @power_mode: One of the following,
* SDE_MODE_DPMS_ON
* SDE_MODE_DPMS_LP1
* SDE_MODE_DPMS_LP2
* SDE_MODE_DPMS_OFF
* @display: Pointer to private display structure
* Returns: Zero on success
*/
int (*set_power)(struct drm_connector *connector,
int power_mode, void *display);
};
/**
* struct sde_connector - local sde connector structure
* @base: Base drm connector structure
* @connector_type: Set to one of DRM_MODE_CONNECTOR_ types
* @encoder: Pointer to preferred drm encoder
* @panel: Pointer to drm panel, if present
* @display: Pointer to private display data structure
* @mmu_secure: MMU id for secure buffers
* @mmu_unsecure: MMU id for unsecure buffers
* @name: ASCII name of connector
* @lock: Mutex lock object for this structure
* @retire_fence: Retire fence reference
* @ops: Local callback function pointer table
* @dpms_mode: DPMS property setting from user space
* @lp_mode: LP property setting from user space
* @last_panel_power_mode: Last consolidated dpms/lp mode setting
* @property_info: Private structure for generic property handling
* @property_data: Array of private data for generic property handling
* @blob_caps: Pointer to blob structure for 'capabilities' property
* @blob_hdr: Pointer to blob structure for 'hdr_properties' property
* @is_shared: connector is shared
* @shared_roi: roi of the shared display
*/
struct sde_connector {
struct drm_connector base;
int connector_type;
struct drm_encoder *encoder;
struct drm_panel *panel;
void *display;
struct msm_gem_address_space *aspace[SDE_IOMMU_DOMAIN_MAX];
char name[SDE_CONNECTOR_NAME_SIZE];
struct mutex lock;
struct sde_fence retire_fence;
struct sde_connector_ops ops;
int dpms_mode;
u64 hpd_mode;
int lp_mode;
int last_panel_power_mode;
struct msm_property_info property_info;
struct msm_property_data property_data[CONNECTOR_PROP_COUNT];
struct drm_property_blob *blob_caps;
struct drm_property_blob *blob_hdr;
bool is_shared;
struct sde_rect shared_roi;
};
/**
* to_sde_connector - convert drm_connector pointer to sde connector pointer
* @X: Pointer to drm_connector structure
* Returns: Pointer to sde_connector structure
*/
#define to_sde_connector(x) container_of((x), struct sde_connector, base)
/**
* sde_connector_get_display - get sde connector's private display pointer
* @C: Pointer to drm connector structure
* Returns: Pointer to associated private display structure
*/
#define sde_connector_get_display(C) \
((C) ? to_sde_connector((C))->display : NULL)
/**
* sde_connector_get_panel - get sde connector's private panel pointer
* @C: Pointer to drm connector structure
* Returns: Pointer to associated private display structure
*/
#define sde_connector_get_panel(C) \
((C) ? to_sde_connector((C))->panel : NULL)
/**
* sde_connector_get_encoder - get sde connector's private encoder pointer
* @C: Pointer to drm connector structure
* Returns: Pointer to associated private encoder structure
*/
#define sde_connector_get_encoder(C) \
((C) ? to_sde_connector((C))->encoder : NULL)
/**
* sde_connector_get_propinfo - get sde connector's property info pointer
* @C: Pointer to drm connector structure
* Returns: Pointer to associated private property info structure
*/
#define sde_connector_get_propinfo(C) \
((C) ? &to_sde_connector((C))->property_info : NULL)
/**
* struct sde_connector_state - private connector status structure
* @base: Base drm connector structure
* @out_fb: Pointer to output frame buffer, if applicable
* @aspace: Address space for accessing frame buffer objects, if applicable
* @property_values: Local cache of current connector property values
* @hdr_ctrl: HDR control info passed from userspace
*/
struct sde_connector_state {
struct drm_connector_state base;
struct drm_framebuffer *out_fb;
struct msm_gem_address_space *aspace;
uint64_t property_values[CONNECTOR_PROP_COUNT];
struct drm_msm_ext_panel_hdr_ctrl hdr_ctrl;
};
/**
* to_sde_connector_state - convert drm_connector_state pointer to
* sde connector state pointer
* @X: Pointer to drm_connector_state structure
* Returns: Pointer to sde_connector_state structure
*/
#define to_sde_connector_state(x) \
container_of((x), struct sde_connector_state, base)
/**
* sde_connector_get_property - query integer value of connector property
* @S: Pointer to drm connector state
* @X: Property index, from enum msm_mdp_connector_property
* Returns: Integer value of requested property
*/
#define sde_connector_get_property(S, X) \
((S) && ((X) < CONNECTOR_PROP_COUNT) ? \
(to_sde_connector_state((S))->property_values[(X)]) : 0)
/**
* sde_connector_get_property_values - retrieve property values cache
* @S: Pointer to drm connector state
* Returns: Integer value of requested property
*/
#define sde_connector_get_property_values(S) \
((S) ? (to_sde_connector_state((S))->property_values) : NULL)
/**
* sde_connector_get_out_fb - query out_fb value from sde connector state
* @S: Pointer to drm connector state
* Returns: Output fb associated with specified connector state
*/
#define sde_connector_get_out_fb(S) \
((S) ? to_sde_connector_state((S))->out_fb : NULL)
/**
* sde_connector_get_topology_name - helper accessor to retrieve topology_name
* @connector: pointer to drm connector
* Returns: value of the CONNECTOR_PROP_TOPOLOGY_NAME property or 0
*/
static inline uint64_t sde_connector_get_topology_name(
struct drm_connector *connector)
{
if (!connector || !connector->state)
return 0;
return sde_connector_get_property(connector->state,
CONNECTOR_PROP_TOPOLOGY_NAME);
}
/**
* sde_connector_init - create drm connector object for a given display
* @dev: Pointer to drm device struct
* @encoder: Pointer to associated encoder
* @panel: Pointer to associated panel, can be NULL
* @display: Pointer to associated display object
* @ops: Pointer to callback operations function table
* @connector_poll: Set to appropriate DRM_CONNECTOR_POLL_ setting
* @connector_type: Set to appropriate DRM_MODE_CONNECTOR_ type
* Returns: Pointer to newly created drm connector struct
*/
struct drm_connector *sde_connector_init(struct drm_device *dev,
struct drm_encoder *encoder,
struct drm_panel *panel,
void *display,
const struct sde_connector_ops *ops,
int connector_poll,
int connector_type);
/**
* sde_connector_prepare_fence - prepare fence support for current commit
* @connector: Pointer to drm connector object
*/
void sde_connector_prepare_fence(struct drm_connector *connector);
/**
* sde_connector_complete_commit - signal completion of current commit
* @connector: Pointer to drm connector object
*/
void sde_connector_complete_commit(struct drm_connector *connector);
/**
* sde_connector_get_info - query display specific information
* @connector: Pointer to drm connector object
* @info: Pointer to msm display information structure
* Returns: Zero on success
*/
int sde_connector_get_info(struct drm_connector *connector,
struct msm_display_info *info);
/**
* sde_connector_pre_kickoff - trigger kickoff time feature programming
* @connector: Pointer to drm connector object
* Returns: Zero on success
*/
int sde_connector_pre_kickoff(struct drm_connector *connector);
/**
* sde_connector_mode_needs_full_range - query quantization type
* for the connector mode
* @connector: Pointer to drm connector object
* Returns: true OR false based on connector mode
*/
bool sde_connector_mode_needs_full_range(struct drm_connector *connector);
/**
* sde_connector_get_csc_type - query csc type
* to be used for the connector
* @connector: Pointer to drm connector object
* Returns: csc type based on connector HDR state
*/
enum sde_csc_type sde_connector_get_csc_type(struct drm_connector *conn);
/**
* sde_connector_get_dpms - query dpms setting
* @connector: Pointer to drm connector structure
* Returns: Current DPMS setting for connector
*/
int sde_connector_get_dpms(struct drm_connector *connector);
/**
* sde_connector_needs_offset - adjust the output fence offset based on
* display type
* @connector: Pointer to drm connector object
* Returns: true if offset is required, false for all other cases.
*/
static inline bool sde_connector_needs_offset(struct drm_connector *connector)
{
struct sde_connector *c_conn;
if (!connector)
return false;
c_conn = to_sde_connector(connector);
return (c_conn->connector_type != DRM_MODE_CONNECTOR_VIRTUAL);
}
#endif /* _SDE_CONNECTOR_H_ */
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