LXR linux/drivers/video/fbdev/omap2/omapfb/dss/dss

   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/*
   3 * linux/drivers/video/omap2/dss/dss_features.h
   4 *
   5 * Copyright (C) 2010 Texas Instruments
   6 * Author: Archit Taneja <archit@ti.com>
   7 */
   8
   9#ifndef __OMAP2_DSS_FEATURES_H
  10#define __OMAP2_DSS_FEATURES_H
  11
  12#define MAX_DSS_MANAGERS        4
  13#define MAX_DSS_OVERLAYS        4
  14#define MAX_DSS_LCD_MANAGERS    3
  15#define MAX_NUM_DSI             2
  16
  17/* DSS has feature id */
  18enum dss_feat_id {
  19        FEAT_LCDENABLEPOL,
  20        FEAT_LCDENABLESIGNAL,
  21        FEAT_PCKFREEENABLE,
  22        FEAT_FUNCGATED,
  23        FEAT_MGR_LCD2,
  24        FEAT_MGR_LCD3,
  25        FEAT_LINEBUFFERSPLIT,
  26        FEAT_ROWREPEATENABLE,
  27        FEAT_RESIZECONF,
  28        /* Independent core clk divider */
  29        FEAT_CORE_CLK_DIV,
  30        FEAT_LCD_CLK_SRC,
  31        /* DSI-PLL power command 0x3 is not working */
  32        FEAT_DSI_PLL_PWR_BUG,
  33        FEAT_DSI_DCS_CMD_CONFIG_VC,
  34        FEAT_DSI_VC_OCP_WIDTH,
  35        FEAT_DSI_REVERSE_TXCLKESC,
  36        FEAT_DSI_GNQ,
  37        FEAT_DPI_USES_VDDS_DSI,
  38        FEAT_HDMI_CTS_SWMODE,
  39        FEAT_HDMI_AUDIO_USE_MCLK,
  40        FEAT_HANDLE_UV_SEPARATE,
  41        FEAT_ATTR2,
  42        FEAT_VENC_REQUIRES_TV_DAC_CLK,
  43        FEAT_CPR,
  44        FEAT_PRELOAD,
  45        FEAT_FIR_COEF_V,
  46        FEAT_ALPHA_FIXED_ZORDER,
  47        FEAT_ALPHA_FREE_ZORDER,
  48        FEAT_FIFO_MERGE,
  49        /* An unknown HW bug causing the normal FIFO thresholds not to work */
  50        FEAT_OMAP3_DSI_FIFO_BUG,
  51        FEAT_BURST_2D,
  52        FEAT_DSI_PHY_DCC,
  53        FEAT_MFLAG,
  54};
  55
  56/* DSS register field id */
  57enum dss_feat_reg_field {
  58        FEAT_REG_FIRHINC,
  59        FEAT_REG_FIRVINC,
  60        FEAT_REG_FIFOHIGHTHRESHOLD,
  61        FEAT_REG_FIFOLOWTHRESHOLD,
  62        FEAT_REG_FIFOSIZE,
  63        FEAT_REG_HORIZONTALACCU,
  64        FEAT_REG_VERTICALACCU,
  65        FEAT_REG_DISPC_CLK_SWITCH,
  66};
  67
  68enum dss_range_param {
  69        FEAT_PARAM_DSS_FCK,
  70        FEAT_PARAM_DSS_PCD,
  71        FEAT_PARAM_DSIPLL_LPDIV,
  72        FEAT_PARAM_DSI_FCK,
  73        FEAT_PARAM_DOWNSCALE,
  74        FEAT_PARAM_LINEWIDTH,
  75};
  76
  77/* DSS Feature Functions */
  78unsigned long dss_feat_get_param_min(enum dss_range_param param);
  79unsigned long dss_feat_get_param_max(enum dss_range_param param);
  80enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
  81bool dss_feat_color_mode_supported(enum omap_plane plane,
  82                enum omap_color_mode color_mode);
  83const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
  84
  85u32 dss_feat_get_buffer_size_unit(void);        /* in bytes */
  86u32 dss_feat_get_burst_size_unit(void);         /* in bytes */
  87
  88bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
  89
  90bool dss_has_feature(enum dss_feat_id id);
  91void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
  92void dss_features_init(enum omapdss_version version);
  93
  94enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
  95enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
  96
  97#endif
  98