omapfb/dss/dss_features.h

0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * linux/drivers/video/omap2/dss/dss_features.h
0004  *
0005  * Copyright (C) 2010 Texas Instruments
0006  * Author: Archit Taneja <archit@ti.com>
0007  */
0008
0009 #ifndef __OMAP2_DSS_FEATURES_H
0010 #define __OMAP2_DSS_FEATURES_H
0011
0012 #define MAX_DSS_MANAGERS    4
0013 #define MAX_DSS_OVERLAYS    4
0014 #define MAX_DSS_LCD_MANAGERS    3
0015 #define MAX_NUM_DSI     2
0016
0017 /* DSS has feature id */
0018 enum dss_feat_id {
0019     FEAT_LCDENABLEPOL,
0020     FEAT_LCDENABLESIGNAL,
0021     FEAT_PCKFREEENABLE,
0022     FEAT_FUNCGATED,
0023     FEAT_MGR_LCD2,
0024     FEAT_MGR_LCD3,
0025     FEAT_LINEBUFFERSPLIT,
0026     FEAT_ROWREPEATENABLE,
0027     FEAT_RESIZECONF,
0028     /* Independent core clk divider */
0029     FEAT_CORE_CLK_DIV,
0030     FEAT_LCD_CLK_SRC,
0031     /* DSI-PLL power command 0x3 is not working */
0032     FEAT_DSI_PLL_PWR_BUG,
0033     FEAT_DSI_DCS_CMD_CONFIG_VC,
0034     FEAT_DSI_VC_OCP_WIDTH,
0035     FEAT_DSI_REVERSE_TXCLKESC,
0036     FEAT_DSI_GNQ,
0037     FEAT_DPI_USES_VDDS_DSI,
0038     FEAT_HDMI_CTS_SWMODE,
0039     FEAT_HDMI_AUDIO_USE_MCLK,
0040     FEAT_HANDLE_UV_SEPARATE,
0041     FEAT_ATTR2,
0042     FEAT_VENC_REQUIRES_TV_DAC_CLK,
0043     FEAT_CPR,
0044     FEAT_PRELOAD,
0045     FEAT_FIR_COEF_V,
0046     FEAT_ALPHA_FIXED_ZORDER,
0047     FEAT_ALPHA_FREE_ZORDER,
0048     FEAT_FIFO_MERGE,
0049     /* An unknown HW bug causing the normal FIFO thresholds not to work */
0050     FEAT_OMAP3_DSI_FIFO_BUG,
0051     FEAT_BURST_2D,
0052     FEAT_DSI_PHY_DCC,
0053     FEAT_MFLAG,
0054 };
0055
0056 /* DSS register field id */
0057 enum dss_feat_reg_field {
0058     FEAT_REG_FIRHINC,
0059     FEAT_REG_FIRVINC,
0060     FEAT_REG_FIFOHIGHTHRESHOLD,
0061     FEAT_REG_FIFOLOWTHRESHOLD,
0062     FEAT_REG_FIFOSIZE,
0063     FEAT_REG_HORIZONTALACCU,
0064     FEAT_REG_VERTICALACCU,
0065     FEAT_REG_DISPC_CLK_SWITCH,
0066 };
0067
0068 enum dss_range_param {
0069     FEAT_PARAM_DSS_FCK,
0070     FEAT_PARAM_DSS_PCD,
0071     FEAT_PARAM_DSIPLL_LPDIV,
0072     FEAT_PARAM_DSI_FCK,
0073     FEAT_PARAM_DOWNSCALE,
0074     FEAT_PARAM_LINEWIDTH,
0075 };
0076
0077 /* DSS Feature Functions */
0078 unsigned long dss_feat_get_param_min(enum dss_range_param param);
0079 unsigned long dss_feat_get_param_max(enum dss_range_param param);
0080 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
0081 bool dss_feat_color_mode_supported(enum omap_plane plane,
0082         enum omap_color_mode color_mode);
0083 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
0084
0085 u32 dss_feat_get_buffer_size_unit(void);    /* in bytes */
0086 u32 dss_feat_get_burst_size_unit(void);     /* in bytes */
0087
0088 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
0089
0090 bool dss_has_feature(enum dss_feat_id id);
0091 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
0092 void dss_features_init(enum omapdss_version version);
0093
0094 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
0095 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
0096
0097 #endif