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dss_features.h
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1 /*
2  * linux/drivers/video/omap2/dss/dss_features.h
3  *
4  * Copyright (C) 2010 Texas Instruments
5  * Author: Archit Taneja <[email protected]>
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 #if defined(CONFIG_OMAP4_DSS_HDMI)
24 #include "ti_hdmi.h"
25 #endif
26 
27 #define MAX_DSS_MANAGERS 4
28 #define MAX_DSS_OVERLAYS 4
29 #define MAX_DSS_LCD_MANAGERS 3
30 #define MAX_NUM_DSI 2
31 
32 /* DSS has feature id */
33 enum dss_feat_id {
34  FEAT_LCDENABLEPOL,
35  FEAT_LCDENABLESIGNAL,
36  FEAT_PCKFREEENABLE,
37  FEAT_FUNCGATED,
38  FEAT_MGR_LCD2,
39  FEAT_MGR_LCD3,
40  FEAT_LINEBUFFERSPLIT,
41  FEAT_ROWREPEATENABLE,
42  FEAT_RESIZECONF,
43  /* Independent core clk divider */
44  FEAT_CORE_CLK_DIV,
45  FEAT_LCD_CLK_SRC,
46  /* DSI-PLL power command 0x3 is not working */
47  FEAT_DSI_PLL_PWR_BUG,
48  FEAT_DSI_PLL_FREQSEL,
49  FEAT_DSI_DCS_CMD_CONFIG_VC,
50  FEAT_DSI_VC_OCP_WIDTH,
51  FEAT_DSI_REVERSE_TXCLKESC,
52  FEAT_DSI_GNQ,
53  FEAT_DPI_USES_VDDS_DSI,
54  FEAT_HDMI_CTS_SWMODE,
55  FEAT_HDMI_AUDIO_USE_MCLK,
56  FEAT_HANDLE_UV_SEPARATE,
57  FEAT_ATTR2,
58  FEAT_VENC_REQUIRES_TV_DAC_CLK,
59  FEAT_CPR,
60  FEAT_PRELOAD,
61  FEAT_FIR_COEF_V,
62  FEAT_ALPHA_FIXED_ZORDER,
63  FEAT_ALPHA_FREE_ZORDER,
64  FEAT_FIFO_MERGE,
65  /* An unknown HW bug causing the normal FIFO thresholds not to work */
66  FEAT_OMAP3_DSI_FIFO_BUG,
67  FEAT_BURST_2D,
68  FEAT_DSI_PLL_SELFREQDCO,
69  FEAT_DSI_PLL_REFSEL,
70  FEAT_DSI_PHY_DCC,
71 };
72 
73 /* DSS register field id */
74 enum dss_feat_reg_field {
75  FEAT_REG_FIRHINC,
76  FEAT_REG_FIRVINC,
77  FEAT_REG_FIFOHIGHTHRESHOLD,
78  FEAT_REG_FIFOLOWTHRESHOLD,
79  FEAT_REG_FIFOSIZE,
80  FEAT_REG_HORIZONTALACCU,
81  FEAT_REG_VERTICALACCU,
82  FEAT_REG_DISPC_CLK_SWITCH,
83  FEAT_REG_DSIPLL_REGN,
84  FEAT_REG_DSIPLL_REGM,
85  FEAT_REG_DSIPLL_REGM_DISPC,
86  FEAT_REG_DSIPLL_REGM_DSI,
87 };
88 
89 enum dss_range_param {
90  FEAT_PARAM_DSS_FCK,
91  FEAT_PARAM_DSS_PCD,
92  FEAT_PARAM_DSIPLL_REGN,
93  FEAT_PARAM_DSIPLL_REGM,
94  FEAT_PARAM_DSIPLL_REGM_DISPC,
95  FEAT_PARAM_DSIPLL_REGM_DSI,
96  FEAT_PARAM_DSIPLL_FINT,
97  FEAT_PARAM_DSIPLL_LPDIV,
98  FEAT_PARAM_DSI_FCK,
99  FEAT_PARAM_DOWNSCALE,
100  FEAT_PARAM_LINEWIDTH,
101  FEAT_PARAM_MGR_WIDTH,
102  FEAT_PARAM_MGR_HEIGHT,
103 };
104 
105 /* DSS Feature Functions */
106 int dss_feat_get_num_mgrs(void);
107 int dss_feat_get_num_ovls(void);
108 int dss_feat_get_num_wbs(void);
109 unsigned long dss_feat_get_param_min(enum dss_range_param param);
110 unsigned long dss_feat_get_param_max(enum dss_range_param param);
111 enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
112 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
113 enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
114 enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
115 bool dss_feat_color_mode_supported(enum omap_plane plane,
116  enum omap_color_mode color_mode);
117 const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
118 
119 u32 dss_feat_get_buffer_size_unit(void); /* in bytes */
120 u32 dss_feat_get_burst_size_unit(void); /* in bytes */
121 
122 bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
123 
124 bool dss_has_feature(enum dss_feat_id id);
125 void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
126 void dss_features_init(void);
127 #if defined(CONFIG_OMAP4_DSS_HDMI)
128 void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data);
129 #endif
130 #endif
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