| /* Copyright (c) 2015-2017, 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_HW_TOP_H |
| #define _SDE_HW_TOP_H |
| |
| #include "sde_hw_catalog.h" |
| #include "sde_hw_mdss.h" |
| #include "sde_hw_util.h" |
| #include "sde_hw_blk.h" |
| |
| struct sde_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 |
| * @pp_split_slave: Slave interface for ping pong split, INTF_MAX to disable |
| * @pp_split_idx: Ping pong index for ping pong split |
| * @split_flush_en: Allows both the paths to be flushed when master path is |
| * flushed |
| */ |
| struct split_pipe_cfg { |
| bool en; |
| enum sde_intf_mode mode; |
| enum sde_intf intf; |
| enum sde_intf pp_split_slave; |
| u32 pp_split_index; |
| bool split_flush_en; |
| }; |
| |
| /** |
| * struct cdm_output_cfg: output configuration for cdm |
| * @wb_en : enable/disable writeback output |
| * @intf_en : enable/disable interface output |
| */ |
| struct cdm_output_cfg { |
| bool wb_en; |
| bool intf_en; |
| }; |
| |
| /** |
| * struct sde_danger_safe_status: danger and safe status signals |
| * @mdp: top level status |
| * @sspp: source pipe status |
| * @wb: writebck output status |
| */ |
| struct sde_danger_safe_status { |
| u8 mdp; |
| u8 sspp[SSPP_MAX]; |
| u8 wb[WB_MAX]; |
| }; |
| |
| /** |
| * struct sde_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 |
| * @is_dummy: a dummy source of vsync selection. It must not be selected for |
| * any case other than sde rsc idle request. |
| */ |
| struct sde_vsync_source_cfg { |
| u32 pp_count; |
| u32 frame_rate; |
| u32 ppnumber[PINGPONG_MAX]; |
| u32 vsync_source; |
| bool is_dummy; |
| }; |
| |
| /** |
| * struct sde_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 sde_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 sde_hw_mdp *mdp, |
| struct split_pipe_cfg *p); |
| |
| /** setup_pp_split() : Configure pp split related registers |
| * @mdp : mdp top context driver |
| * @cfg : upper and lower part of pipe configuration |
| */ |
| void (*setup_pp_split)(struct sde_hw_mdp *mdp, |
| struct split_pipe_cfg *cfg); |
| |
| /** |
| * 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 sde_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 sde_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 sde_hw_mdp *mdp, |
| enum sde_clk_ctrl_type clk_ctrl, bool enable); |
| |
| /** |
| * setup_dce - set DCE mux for DSC ctrl path |
| * @mdp: mdp top context driver |
| * @dce_sel: dce_mux value |
| */ |
| void (*setup_dce)(struct sde_hw_mdp *mdp, u32 dce_sel); |
| |
| /** |
| * get_danger_status - get danger status |
| * @mdp: mdp top context driver |
| * @status: Pointer to danger safe status |
| */ |
| void (*get_danger_status)(struct sde_hw_mdp *mdp, |
| struct sde_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 sde_hw_mdp *mdp, |
| struct sde_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 sde_hw_mdp *mdp, |
| struct sde_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 sde_hw_mdp *mdp, struct sde_mdss_cfg *m); |
| }; |
| |
| struct sde_hw_mdp { |
| struct sde_hw_blk base; |
| struct sde_hw_blk_reg_map hw; |
| |
| /* top */ |
| enum sde_mdp idx; |
| const struct sde_mdp_cfg *caps; |
| |
| /* ops */ |
| struct sde_hw_mdp_ops ops; |
| }; |
| |
| /** |
| * to_sde_hw_mdp - convert base object sde_hw_base to container |
| * @hw: Pointer to base hardware block |
| * return: Pointer to hardware block container |
| */ |
| static inline struct sde_hw_mdp *to_sde_hw_mdp(struct sde_hw_blk *hw) |
| { |
| return container_of(hw, struct sde_hw_mdp, base); |
| } |
| |
| /** |
| * sde_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 sde_hw_mdp *sde_hw_mdptop_init(enum sde_mdp idx, |
| void __iomem *addr, |
| const struct sde_mdss_cfg *m); |
| |
| void sde_hw_mdp_destroy(struct sde_hw_mdp *mdp); |
| |
| #endif /*_SDE_HW_TOP_H */ |