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 */
89int dss_feat_get_num_wbs(void);
90unsigned long dss_feat_get_param_min(enum dss_range_param param);
91unsigned long dss_feat_get_param_max(enum dss_range_param param);
92enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
93bool dss_feat_color_mode_supported(enum omap_plane plane,
94		enum omap_color_mode color_mode);
95const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
96
97u32 dss_feat_get_buffer_size_unit(void);	/* in bytes */
98u32 dss_feat_get_burst_size_unit(void);		/* in bytes */
99
100bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
101
102bool dss_has_feature(enum dss_feat_id id);
103void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
104void dss_features_init(enum omapdss_version version);
105#endif
106