hc
2024-05-10 23fa18eaa71266feff7ba8d83022d9e1cc83c65a
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/* 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