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/* Copyright (c) 2016, Motorola Mobility, LLC.
*
* 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 _MOD_DISPLAY_H_
#define _MOD_DISPLAY_H_
#ifdef __KERNEL__
#include <linux/types.h>
#define MOD_DISPLAY_NAME "mod_display"
enum mod_display_type {
MOD_DISPLAY_TYPE_INVALID,
MOD_DISPLAY_TYPE_DSI,
MOD_DISPLAY_TYPE_DP,
};
enum mod_display_config_type {
MOD_CONFIG_INVALID,
MOD_CONFIG_EDID_1_3,
MOD_CONFIG_DSI_CONF,
MOD_CONFIG_EDID_DOWNSTREAM,
};
struct mod_display_panel_config {
u8 display_type;
u8 config_type;
u32 config_size;
char config_buf[0];
};
enum mod_display_dsi_config_mode {
MOD_DISPLAY_DSI_CONFIG_MODE_VIDEO = 0x00,
MOD_DISPLAY_DSI_CONFIG_MODE_COMMAND = 0x01,
};
enum mod_display_dsi_config_swap {
MOD_DISPLAY_DSI_CONFIG_SWAP_RGB_TO_RGB = 0x00,
MOD_DISPLAY_DSI_CONFIG_SWAP_RGB_TO_RBG = 0x01,
MOD_DISPLAY_DSI_CONFIG_SWAP_RGB_TO_BGR = 0x02,
MOD_DISPLAY_DSI_CONFIG_SWAP_RGB_TO_BRG = 0x03,
MOD_DISPLAY_DSI_CONFIG_SWAP_RGB_TO_GRB = 0x04,
MOD_DISPLAY_DSI_CONFIG_SWAP_RGB_TO_GBR = 0x05,
};
enum mod_display_dsi_config_continuous_clock {
MOD_DISPLAY_DSI_CONFIG_CONTINUOUS_CLOCK_DISABLED = 0x00,
MOD_DISPLAY_DSI_CONFIG_CONTINUOUS_CLOCK_ENABLED = 0x01,
};
enum mod_display_dsi_config_eot_mode {
MOD_DISPLAY_DSI_CONFIG_EOT_MODE_NONE = 0x00,
MOD_DISPLAY_DSI_CONFIG_EOT_MODE_APPEND = 0x01,
};
enum mod_display_dsi_config_vsync_mode {
MOD_DISPLAY_DSI_CONFIG_VSYNC_MODE_NONE = 0x00,
MOD_DISPLAY_DSI_CONFIG_VSYNC_MODE_GPIO = 0x01,
MOD_DISPLAY_DSI_CONFIG_VSYNC_MODE_DCS = 0x02,
};
enum mod_display_dsi_config_traffic_mode {
MOD_DISPLAY_DSI_CONFIG_TRAFFIC_MODE_NON_BURST_SYNC_PULSE = 0x00,
MOD_DISPLAY_DSI_CONFIG_TRAFFIC_MODE_NON_BURST_SYNC_EVENT = 0x01,
MOD_DISPLAY_DSI_CONFIG_TRAFFIC_MODE_BURST = 0x02,
};
enum mod_display_dsi_config_pixel_packing {
MOD_DISPLAY_DSI_CONFIG_PIXEL_PACKING_UNPACKED = 0x00,
};
struct mod_display_dsi_config {
u16 manufacturer_id;
u8 mode;
u8 num_lanes;
u16 width;
u16 height;
u16 physical_width_dim;
u16 physical_length_dim;
u8 framerate;
u8 bpp;
u16 reserved0;
u64 clockrate;
u16 t_clk_pre;
u16 t_clk_post;
u8 continuous_clock;
u8 eot_mode;
u8 vsync_mode;
/*1 :non_burst_sync_pulse 2: non_burst_sync_event 3: burst_mode */
u8 traffic_mode;
u8 virtual_channel_id; /* 0: default */
/* 1: rgb_swap_rgb 2: rgb_swap_rbg 3: rgb_swap_brg 4: rgb_swap_grb
5: rgb_swap_gbr */
u8 color_order;
u8 pixel_packing;
u8 reserved1;
u16 horizontal_front_porch;
u16 horizontal_pulse_width;
u16 horizontal_sync_skew;
u16 horizontal_back_porch;
u16 horizontal_left_border;
u16 horizontal_right_border;
u16 vertical_front_porch;
u16 vertical_pulse_width;
u16 vertical_back_porch;
u16 vertical_top_border;
u16 vertical_bottom_border;
u16 reserved2;
};
struct mod_display_downstream_config {
u32 max_link_bandwidth_khz;
};
enum mod_display_state {
MOD_DISPLAY_OFF,
MOD_DISPLAY_ON,
};
#ifdef CONFIG_MOD_DISPLAY
int mod_display_get_display_config(
struct mod_display_panel_config **display_config);
int mod_display_set_display_config(u8 index);
int mod_display_get_display_state(u8 *state);
int mod_display_set_display_state(u8 state);
#else
static inline int mod_display_get_display_config(
struct mod_display_panel_config **display_config)
{ return 0; };
static inline int mod_display_set_display_config(u8 index)
{ return 0; };
static inline int mod_display_get_display_state(u8 *state)
{ return 0; };
static inline int mod_display_set_display_state(u8 state)
{ return 0; };
#endif /* CONFIG_MOD_DISPLAY */
#endif /* __KERNEL__ */
#endif /* _MOD_DISPLAY_H_ */
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