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