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/**
* Copyright (c) 2017-2019, 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_SPLASH_H_
#define SDE_SPLASH_H_
#include "msm_kms.h"
#include "msm_mmu.h"
#include "sde_hw_mdss.h"
enum splash_connector_type {
SPLASH_DSI = 0,
SPLASH_HDMI,
};
struct splash_lm_hw {
u8 lm_id;
u8 ctl_id;
u32 lm_reg_value;
};
struct splash_ctl_top {
u32 value;
u8 intf_sel;
u8 ctl_lm_cnt;
struct splash_lm_hw lm[LM_MAX - LM_0];
};
struct splash_res_data {
struct splash_ctl_top top[CTL_MAX - CTL_0];
u8 ctl_ids[CTL_MAX - CTL_0];
u8 lm_ids[LM_MAX - LM_0];
u8 ctl_top_cnt;
u8 lm_cnt;
};
struct splash_reserved_pipe_info {
uint32_t pipe_id;
bool early_release;
};
struct splash_pipe_caps {
enum sde_sspp pipe;
u32 flush_bit;
u32 mixer_mask;
u32 mixer_ext_mask;
};
struct sde_splash_info {
/* handoff flag */
bool handoff;
/* current hw configuration */
struct splash_res_data res;
/* flag of display splash status */
bool display_splash_enabled;
/* to indicate LK is totally exited */
bool lk_is_exited;
/* flag of early display status */
bool early_display_enabled;
/* flag of early RVC status */
bool early_camera_enabled;
/* memory node used for display buffer */
uint32_t splash_mem_num;
/* physical address of memory node for display buffer */
phys_addr_t *splash_mem_paddr;
/* size of memory node */
size_t *splash_mem_size;
/* constructed gem objects for smmu mapping */
struct drm_gem_object **obj;
/* enabled statue of displays*/
uint32_t intf_sel_status;
/* DSI split enabled flag */
bool split_is_enabled;
/* registered hdmi connector count */
uint32_t hdmi_connector_cnt;
/* registered dsi connector count */
uint32_t dsi_connector_cnt;
/* reserved pipe info both for early RVC and early splash */
struct splash_reserved_pipe_info reserved_pipe_info[MAX_BLOCKS];
/* flush bits of reserved pipes */
uint32_t flush_bits;
/* layer mixer mask of reserved pipes */
uint32_t mixer_mask;
/* layer mixer extension mask of reserved pipes */
uint32_t mixer_ext_mask;
};
/* APIs for early splash handoff functions */
/**
* sde_splash_get_handoff_status.
*
* This function will read DISP_INTF_SEL regsiter to get
* the status of early splash.
*/
int sde_splash_get_handoff_status(struct msm_kms *kms);
/**
* sde_splash_init
*
* This function will do bandwidth vote and reserved memory
*/
int sde_splash_init(struct sde_power_handle *phandle, struct msm_kms *kms);
/**
*sde_splash_setup_connector_count
*
* To count connector numbers for DSI and HDMI respectively.
*/
void sde_splash_setup_connector_count(struct sde_splash_info *sinfo,
int connector_type, void *display,
bool connector_is_shared);
/**
* sde_splash_lk_stop_splash.
*
* Tell LK to stop display splash once one valid user commit arrives.
*/
int sde_splash_lk_stop_splash(struct msm_kms *kms,
struct drm_atomic_state *state);
/**
* sde_splash_free_resource.
*
* To free all LK's resource, including free reserved memory to system,
* withdraw data bus vote, disable MDP core power, send uevent to user
* to recycle pipe etc.
*/
int sde_splash_free_resource(struct msm_kms *kms,
struct sde_power_handle *phandle,
int connector_type, void *display,
bool connector_is_shared);
/**
* sde_splash_parse_memory_dt.
*
* Parse reserved memory block from DT for early splash.
*/
int sde_splash_parse_memory_dt(struct drm_device *dev);
/**
* sde_splash_parse_reserved_plane_dt
*
* Parse reserved plane information from DT for early RVC case.
*/
int sde_splash_parse_reserved_plane_dt(struct drm_device *dev,
struct sde_splash_info *splash_info,
struct sde_mdss_cfg *cfg);
/*
* sde_splash_query_plane_is_reserved
*
* Query plane is reserved in dt.
*/
bool sde_splash_query_plane_is_reserved(struct sde_splash_info *sinfo,
uint32_t pipe);
/**
* sde_splash_smmu_map.
*
* Map the physical memory LK visited into iommu driver.
*/
int sde_splash_smmu_map(struct drm_device *dev, struct msm_mmu *mmu,
struct sde_splash_info *sinfo);
/**
* sde_splash_destroy
*
* Destroy the resource in failed case.
*/
void sde_splash_destroy(struct sde_splash_info *sinfo,
struct sde_power_handle *phandle,
struct sde_power_client *pclient);
/**
* sde_splash_get_lk_complete_status
*
* Get LK's status to check if it has been stopped.
*/
bool sde_splash_get_lk_complete_status(struct msm_kms *kms);
/**
* sde_splash_setup_display_resource
*
* Setup display resource based on connector type.
*/
int sde_splash_setup_display_resource(struct sde_splash_info *sinfo,
void *disp, int connector_type,
bool display_is_shared);
/**
* sde_splash_decrease_connector_cnt()
*
* Decrease splash connector count when shared display configuration is enabled.
*/
void sde_splash_decrease_connector_cnt(struct drm_device *dev,
int connector_type,
bool splash_on);
/**
* sde_splash_get_mixer_mask
*
* Retrieve mixer mask and extension mask from splash_info structure.
*/
void sde_splash_get_mixer_mask(struct sde_splash_info *sinfo,
bool *splash_on, u32 *mixercfg, u32 *mixercfg_ext);
#endif
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