1/*
  2 * linux/drivers/video/omap2/dss/dss_features.h
  3 *
  4 * Copyright (C) 2010 Texas Instruments
  5 * Author: Archit Taneja <archit@ti.com>
  6 *
  7 * This program is free software; you can redistribute it and/or modify it
  8 * under the terms of the GNU General Public License version 2 as published by
  9 * the Free Software Foundation.
 10 *
 11 * This program is distributed in the hope that it will be useful, but WITHOUT
 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 14 * more details.
 15 *
 16 * You should have received a copy of the GNU General Public License along with
 17 * this program.  If not, see <http://www.gnu.org/licenses/>.
 18 */
 19
 20#ifndef __OMAP2_DSS_FEATURES_H
 21#define __OMAP2_DSS_FEATURES_H
 22
 23#define MAX_DSS_MANAGERS	4
 24#define MAX_DSS_OVERLAYS	4
 25#define MAX_DSS_LCD_MANAGERS	3
 26#define MAX_NUM_DSI		2
 27
 28/* DSS has feature id */
 29enum dss_feat_id {
 30	FEAT_LCDENABLEPOL,
 31	FEAT_LCDENABLESIGNAL,
 32	FEAT_PCKFREEENABLE,
 33	FEAT_FUNCGATED,
 34	FEAT_MGR_LCD2,
 35	FEAT_MGR_LCD3,
 36	FEAT_LINEBUFFERSPLIT,
 37	FEAT_ROWREPEATENABLE,
 38	FEAT_RESIZECONF,
 39	/* Independent core clk divider */
 40	FEAT_CORE_CLK_DIV,
 41	FEAT_LCD_CLK_SRC,
 42	/* DSI-PLL power command 0x3 is not working */
 43	FEAT_DSI_PLL_PWR_BUG,
 44	FEAT_DSI_DCS_CMD_CONFIG_VC,
 45	FEAT_DSI_VC_OCP_WIDTH,
 46	FEAT_DSI_REVERSE_TXCLKESC,
 47	FEAT_DSI_GNQ,
 48	FEAT_DPI_USES_VDDS_DSI,
 49	FEAT_HDMI_CTS_SWMODE,
 50	FEAT_HDMI_AUDIO_USE_MCLK,
 51	FEAT_HANDLE_UV_SEPARATE,
 52	FEAT_ATTR2,
 53	FEAT_VENC_REQUIRES_TV_DAC_CLK,
 54	FEAT_CPR,
 55	FEAT_PRELOAD,
 56	FEAT_FIR_COEF_V,
 57	FEAT_ALPHA_FIXED_ZORDER,
 58	FEAT_ALPHA_FREE_ZORDER,
 59	FEAT_FIFO_MERGE,
 60	/* An unknown HW bug causing the normal FIFO thresholds not to work */
 61	FEAT_OMAP3_DSI_FIFO_BUG,
 62	FEAT_BURST_2D,
 63	FEAT_DSI_PHY_DCC,
 64	FEAT_MFLAG,
 65};
 66
 67/* DSS register field id */
 68enum dss_feat_reg_field {
 69	FEAT_REG_FIRHINC,
 70	FEAT_REG_FIRVINC,
 71	FEAT_REG_FIFOHIGHTHRESHOLD,
 72	FEAT_REG_FIFOLOWTHRESHOLD,
 73	FEAT_REG_FIFOSIZE,
 74	FEAT_REG_HORIZONTALACCU,
 75	FEAT_REG_VERTICALACCU,
 76	FEAT_REG_DISPC_CLK_SWITCH,
 77};
 78
 79enum dss_range_param {
 80	FEAT_PARAM_DSS_FCK,
 81	FEAT_PARAM_DSS_PCD,
 82	FEAT_PARAM_DSIPLL_LPDIV,
 83	FEAT_PARAM_DSI_FCK,
 84	FEAT_PARAM_DOWNSCALE,
 85	FEAT_PARAM_LINEWIDTH,
 86};
 87
 88/* DSS Feature Functions */
 89unsigned long dss_feat_get_param_min(enum dss_range_param param);
 90unsigned long dss_feat_get_param_max(enum dss_range_param param);
 91enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
 92bool dss_feat_color_mode_supported(enum omap_plane plane,
 93		enum omap_color_mode color_mode);
 94const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
 95
 96u32 dss_feat_get_buffer_size_unit(void);	/* in bytes */
 97u32 dss_feat_get_burst_size_unit(void);		/* in bytes */
 98
 99bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
100
101bool dss_has_feature(enum dss_feat_id id);
102void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
103void dss_features_init(enum omapdss_version version);
104
105enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
106enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
107
108#endif