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/* Copyright (c) 2015-2018, 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 _DPU_HW_TOP_H
#define _DPU_HW_TOP_H
#include "dpu_hw_catalog.h"
#include "dpu_hw_mdss.h"
#include "dpu_hw_util.h"
#include "dpu_hw_blk.h"
struct dpu_hw_mdp;
/**
* struct traffic_shaper_cfg: traffic shaper configuration
* @en : enable/disable traffic shaper
* @rd_client : true if read client; false if write client
* @client_id : client identifier
* @bpc_denom : denominator of byte per clk
* @bpc_numer : numerator of byte per clk
*/
struct traffic_shaper_cfg {
bool en;
bool rd_client;
u32 client_id;
u32 bpc_denom;
u64 bpc_numer;
};
/**
* struct split_pipe_cfg - pipe configuration for dual display panels
* @en : Enable/disable dual pipe confguration
* @mode : Panel interface mode
* @intf : Interface id for main control path
* @split_flush_en: Allows both the paths to be flushed when master path is
* flushed
*/
struct split_pipe_cfg {
bool en;
enum dpu_intf_mode mode;
enum dpu_intf intf;
bool split_flush_en;
};
/**
* struct cdm_output_cfg: output configuration for cdm
* @intf_en : enable/disable interface output
*/
struct cdm_output_cfg {
bool intf_en;
};
/**
* struct dpu_danger_safe_status: danger and safe status signals
* @mdp: top level status
* @sspp: source pipe status
*/
struct dpu_danger_safe_status {
u8 mdp;
u8 sspp[SSPP_MAX];
};
/**
* struct dpu_vsync_source_cfg - configure vsync source and configure the
* watchdog timers if required.
* @pp_count: number of ping pongs active
* @frame_rate: Display frame rate
* @ppnumber: ping pong index array
* @vsync_source: vsync source selection
*/
struct dpu_vsync_source_cfg {
u32 pp_count;
u32 frame_rate;
u32 ppnumber[PINGPONG_MAX];
u32 vsync_source;
};
/**
* struct dpu_hw_mdp_ops - interface to the MDP TOP Hw driver functions
* Assumption is these functions will be called after clocks are enabled.
* @setup_split_pipe : Programs the pipe control registers
* @setup_pp_split : Programs the pp split control registers
* @setup_cdm_output : programs cdm control
* @setup_traffic_shaper : programs traffic shaper control
*/
struct dpu_hw_mdp_ops {
/** setup_split_pipe() : Regsiters are not double buffered, thisk
* function should be called before timing control enable
* @mdp : mdp top context driver
* @cfg : upper and lower part of pipe configuration
*/
void (*setup_split_pipe)(struct dpu_hw_mdp *mdp,
struct split_pipe_cfg *p);
/**
* setup_cdm_output() : Setup selection control of the cdm data path
* @mdp : mdp top context driver
* @cfg : cdm output configuration
*/
void (*setup_cdm_output)(struct dpu_hw_mdp *mdp,
struct cdm_output_cfg *cfg);
/**
* setup_traffic_shaper() : Setup traffic shaper control
* @mdp : mdp top context driver
* @cfg : traffic shaper configuration
*/
void (*setup_traffic_shaper)(struct dpu_hw_mdp *mdp,
struct traffic_shaper_cfg *cfg);
/**
* setup_clk_force_ctrl - set clock force control
* @mdp: mdp top context driver
* @clk_ctrl: clock to be controlled
* @enable: force on enable
* @return: if the clock is forced-on by this function
*/
bool (*setup_clk_force_ctrl)(struct dpu_hw_mdp *mdp,
enum dpu_clk_ctrl_type clk_ctrl, bool enable);
/**
* get_danger_status - get danger status
* @mdp: mdp top context driver
* @status: Pointer to danger safe status
*/
void (*get_danger_status)(struct dpu_hw_mdp *mdp,
struct dpu_danger_safe_status *status);
/**
* setup_vsync_source - setup vsync source configuration details
* @mdp: mdp top context driver
* @cfg: vsync source selection configuration
*/
void (*setup_vsync_source)(struct dpu_hw_mdp *mdp,
struct dpu_vsync_source_cfg *cfg);
/**
* get_safe_status - get safe status
* @mdp: mdp top context driver
* @status: Pointer to danger safe status
*/
void (*get_safe_status)(struct dpu_hw_mdp *mdp,
struct dpu_danger_safe_status *status);
/**
* reset_ubwc - reset top level UBWC configuration
* @mdp: mdp top context driver
* @m: pointer to mdss catalog data
*/
void (*reset_ubwc)(struct dpu_hw_mdp *mdp, struct dpu_mdss_cfg *m);
/**
* intf_audio_select - select the external interface for audio
* @mdp: mdp top context driver
*/
void (*intf_audio_select)(struct dpu_hw_mdp *mdp);
};
struct dpu_hw_mdp {
struct dpu_hw_blk base;
struct dpu_hw_blk_reg_map hw;
/* top */
enum dpu_mdp idx;
const struct dpu_mdp_cfg *caps;
/* ops */
struct dpu_hw_mdp_ops ops;
};
/**
* to_dpu_hw_mdp - convert base object dpu_hw_base to container
* @hw: Pointer to base hardware block
* return: Pointer to hardware block container
*/
static inline struct dpu_hw_mdp *to_dpu_hw_mdp(struct dpu_hw_blk *hw)
{
return container_of(hw, struct dpu_hw_mdp, base);
}
/**
* dpu_hw_mdptop_init - initializes the top driver for the passed idx
* @idx: Interface index for which driver object is required
* @addr: Mapped register io address of MDP
* @m: Pointer to mdss catalog data
*/
struct dpu_hw_mdp *dpu_hw_mdptop_init(enum dpu_mdp idx,
void __iomem *addr,
const struct dpu_mdss_cfg *m);
void dpu_hw_mdp_destroy(struct dpu_hw_mdp *mdp);
#endif /*_DPU_HW_TOP_H */
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