/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * linux/drivers/video/omap2/dss/dss_features.h
 *
 * Copyright (C) 2010 Texas Instruments
 * Author: Archit Taneja <archit@ti.com>
 */

#ifndef __OMAP2_DSS_FEATURES_H
#define __OMAP2_DSS_FEATURES_H

#define MAX_DSS_MANAGERS        4
#define MAX_DSS_OVERLAYS        4
#define MAX_DSS_LCD_MANAGERS    3
#define MAX_NUM_DSI             2

/* DSS has feature id */
enum dss_feat_id {
        FEAT_LCDENABLEPOL,
        FEAT_LCDENABLESIGNAL,
        FEAT_PCKFREEENABLE,
        FEAT_FUNCGATED,
        FEAT_MGR_LCD2,
        FEAT_MGR_LCD3,
        FEAT_LINEBUFFERSPLIT,
        FEAT_ROWREPEATENABLE,
        FEAT_RESIZECONF,
        /* Independent core clk divider */
        FEAT_CORE_CLK_DIV,
        FEAT_LCD_CLK_SRC,
        /* DSI-PLL power command 0x3 is not working */
        FEAT_DSI_PLL_PWR_BUG,
        FEAT_DSI_DCS_CMD_CONFIG_VC,
        FEAT_DSI_VC_OCP_WIDTH,
        FEAT_DSI_REVERSE_TXCLKESC,
        FEAT_DSI_GNQ,
        FEAT_DPI_USES_VDDS_DSI,
        FEAT_HDMI_CTS_SWMODE,
        FEAT_HDMI_AUDIO_USE_MCLK,
        FEAT_HANDLE_UV_SEPARATE,
        FEAT_ATTR2,
        FEAT_VENC_REQUIRES_TV_DAC_CLK,
        FEAT_CPR,
        FEAT_PRELOAD,
        FEAT_FIR_COEF_V,
        FEAT_ALPHA_FIXED_ZORDER,
        FEAT_ALPHA_FREE_ZORDER,
        FEAT_FIFO_MERGE,
        /* An unknown HW bug causing the normal FIFO thresholds not to work */
        FEAT_OMAP3_DSI_FIFO_BUG,
        FEAT_BURST_2D,
        FEAT_DSI_PHY_DCC,
        FEAT_MFLAG,
};

/* DSS register field id */
enum dss_feat_reg_field {
        FEAT_REG_FIRHINC,
        FEAT_REG_FIRVINC,
        FEAT_REG_FIFOHIGHTHRESHOLD,
        FEAT_REG_FIFOLOWTHRESHOLD,
        FEAT_REG_FIFOSIZE,
        FEAT_REG_HORIZONTALACCU,
        FEAT_REG_VERTICALACCU,
        FEAT_REG_DISPC_CLK_SWITCH,
};

enum dss_range_param {
        FEAT_PARAM_DSS_FCK,
        FEAT_PARAM_DSS_PCD,
        FEAT_PARAM_DSIPLL_LPDIV,
        FEAT_PARAM_DSI_FCK,
        FEAT_PARAM_DOWNSCALE,
        FEAT_PARAM_LINEWIDTH,
};

/* DSS Feature Functions */
unsigned long dss_feat_get_param_min(enum dss_range_param param);
unsigned long dss_feat_get_param_max(enum dss_range_param param);
enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
bool dss_feat_color_mode_supported(enum omap_plane plane,
                enum omap_color_mode color_mode);
const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);

u32 dss_feat_get_buffer_size_unit(void);        /* in bytes */
u32 dss_feat_get_burst_size_unit(void);         /* in bytes */

bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);

bool dss_has_feature(enum dss_feat_id id);
void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
void dss_features_init(enum omapdss_version version);

enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);

#endif