Quelle  dss_features.h   Sprache: C

/* 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