tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_PLL_FREQSEL,
45 FEAT_DSI_DCS_CMD_CONFIG_VC,
46 FEAT_DSI_VC_OCP_WIDTH,
47 FEAT_DSI_REVERSE_TXCLKESC,
48 FEAT_DSI_GNQ,
49 FEAT_DPI_USES_VDDS_DSI,
50 FEAT_HDMI_CTS_SWMODE,
51 FEAT_HDMI_AUDIO_USE_MCLK,
52 FEAT_HANDLE_UV_SEPARATE,
53 FEAT_ATTR2,
54 FEAT_VENC_REQUIRES_TV_DAC_CLK,
55 FEAT_CPR,
56 FEAT_PRELOAD,
57 FEAT_FIR_COEF_V,
58 FEAT_ALPHA_FIXED_ZORDER,
59 FEAT_ALPHA_FREE_ZORDER,
60 FEAT_FIFO_MERGE,
61 /* An unknown HW bug causing the normal FIFO thresholds not to work */
62 FEAT_OMAP3_DSI_FIFO_BUG,
63 FEAT_BURST_2D,
64 FEAT_DSI_PLL_SELFREQDCO,
65 FEAT_DSI_PLL_REFSEL,
66 FEAT_DSI_PHY_DCC,
67 FEAT_MFLAG,
68};
69
70/* DSS register field id */
71enum dss_feat_reg_field {
72 FEAT_REG_FIRHINC,
73 FEAT_REG_FIRVINC,
74 FEAT_REG_FIFOHIGHTHRESHOLD,
75 FEAT_REG_FIFOLOWTHRESHOLD,
76 FEAT_REG_FIFOSIZE,
77 FEAT_REG_HORIZONTALACCU,
78 FEAT_REG_VERTICALACCU,
79 FEAT_REG_DISPC_CLK_SWITCH,
80 FEAT_REG_DSIPLL_REGN,
81 FEAT_REG_DSIPLL_REGM,
82 FEAT_REG_DSIPLL_REGM_DISPC,
83 FEAT_REG_DSIPLL_REGM_DSI,
84};
85
86enum dss_range_param {
87 FEAT_PARAM_DSS_FCK,
88 FEAT_PARAM_DSS_PCD,
89 FEAT_PARAM_DSIPLL_REGN,
90 FEAT_PARAM_DSIPLL_REGM,
91 FEAT_PARAM_DSIPLL_REGM_DISPC,
92 FEAT_PARAM_DSIPLL_REGM_DSI,
93 FEAT_PARAM_DSIPLL_FINT,
94 FEAT_PARAM_DSIPLL_LPDIV,
95 FEAT_PARAM_DSI_FCK,
96 FEAT_PARAM_DOWNSCALE,
97 FEAT_PARAM_LINEWIDTH,
98};
99
100/* DSS Feature Functions */
101int dss_feat_get_num_wbs(void);
102unsigned long dss_feat_get_param_min(enum dss_range_param param);
103unsigned long dss_feat_get_param_max(enum dss_range_param param);
104enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
105bool dss_feat_color_mode_supported(enum omap_plane plane,
106 enum omap_color_mode color_mode);
107const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
108
109u32 dss_feat_get_buffer_size_unit(void); /* in bytes */
110u32 dss_feat_get_burst_size_unit(void); /* in bytes */
111
112bool dss_feat_rotation_type_supported(enum omap_dss_rotation_type rot_type);
113
114bool dss_has_feature(enum dss_feat_id id);
115void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
116void dss_features_init(enum omapdss_version version);
117#endif