tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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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#if defined(CONFIG_OMAP4_DSS_HDMI)
24#include "ti_hdmi.h"
25#endif
26
27#define MAX_DSS_MANAGERS 3
28#define MAX_DSS_OVERLAYS 4
29#define MAX_DSS_LCD_MANAGERS 2
30#define MAX_NUM_DSI 2
31
32/* DSS has feature id */
33enum dss_feat_id {
34 FEAT_LCDENABLEPOL,
35 FEAT_LCDENABLESIGNAL,
36 FEAT_PCKFREEENABLE,
37 FEAT_FUNCGATED,
38 FEAT_MGR_LCD2,
39 FEAT_LINEBUFFERSPLIT,
40 FEAT_ROWREPEATENABLE,
41 FEAT_RESIZECONF,
42 /* Independent core clk divider */
43 FEAT_CORE_CLK_DIV,
44 FEAT_LCD_CLK_SRC,
45 /* DSI-PLL power command 0x3 is not working */
46 FEAT_DSI_PLL_PWR_BUG,
47 FEAT_DSI_PLL_FREQSEL,
48 FEAT_DSI_DCS_CMD_CONFIG_VC,
49 FEAT_DSI_VC_OCP_WIDTH,
50 FEAT_DSI_REVERSE_TXCLKESC,
51 FEAT_DSI_GNQ,
52 FEAT_HDMI_CTS_SWMODE,
53 FEAT_HDMI_AUDIO_USE_MCLK,
54 FEAT_HANDLE_UV_SEPARATE,
55 FEAT_ATTR2,
56 FEAT_VENC_REQUIRES_TV_DAC_CLK,
57 FEAT_CPR,
58 FEAT_PRELOAD,
59 FEAT_FIR_COEF_V,
60 FEAT_ALPHA_FIXED_ZORDER,
61 FEAT_ALPHA_FREE_ZORDER,
62 FEAT_FIFO_MERGE,
63 /* An unknown HW bug causing the normal FIFO thresholds not to work */
64 FEAT_OMAP3_DSI_FIFO_BUG,
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 FEAT_REG_DSIPLL_REGN,
78 FEAT_REG_DSIPLL_REGM,
79 FEAT_REG_DSIPLL_REGM_DISPC,
80 FEAT_REG_DSIPLL_REGM_DSI,
81};
82
83enum dss_range_param {
84 FEAT_PARAM_DSS_FCK,
85 FEAT_PARAM_DSS_PCD,
86 FEAT_PARAM_DSIPLL_REGN,
87 FEAT_PARAM_DSIPLL_REGM,
88 FEAT_PARAM_DSIPLL_REGM_DISPC,
89 FEAT_PARAM_DSIPLL_REGM_DSI,
90 FEAT_PARAM_DSIPLL_FINT,
91 FEAT_PARAM_DSIPLL_LPDIV,
92 FEAT_PARAM_DOWNSCALE,
93 FEAT_PARAM_LINEWIDTH,
94};
95
96/* DSS Feature Functions */
97int dss_feat_get_num_mgrs(void);
98int dss_feat_get_num_ovls(void);
99unsigned long dss_feat_get_param_min(enum dss_range_param param);
100unsigned long dss_feat_get_param_max(enum dss_range_param param);
101enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
102enum omap_color_mode dss_feat_get_supported_color_modes(enum omap_plane plane);
103enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane plane);
104bool dss_feat_color_mode_supported(enum omap_plane plane,
105 enum omap_color_mode color_mode);
106const char *dss_feat_get_clk_source_name(enum omap_dss_clk_source id);
107
108u32 dss_feat_get_buffer_size_unit(void); /* in bytes */
109u32 dss_feat_get_burst_size_unit(void); /* in bytes */
110
111bool dss_has_feature(enum dss_feat_id id);
112void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
113void dss_features_init(void);
114#if defined(CONFIG_OMAP4_DSS_HDMI)
115void dss_init_hdmi_ip_ops(struct hdmi_ip_data *ip_data);
116#endif
117#endif