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 */ 18 enum 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 */ 57 enum 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 68 enum 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 */ 78 unsigned long dss_feat_get_param_min(enum dss_range_param param); 79 unsigned long dss_feat_get_param_max(enum dss_range_param param); 80 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane); 81 bool dss_feat_color_mode_supported(enum omap_plane plane, 82 enum omap_color_mode color_mode); 83 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id); 84 85 u32 dss_feat_get_buffer_size_unit(void); /* in bytes */ 86 u32 dss_feat_get_burst_size_unit(void); /* in bytes */ 87 88 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type); 89 90 bool dss_has_feature(enum dss_feat_id id); 91 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end); 92 void dss_features_init(enum omapdss_version version); 93 94 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel); 95 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel); 96 97 #endif 98