summaryrefslogtreecommitdiffstats
path: root/drivers/video/omap2/dss/ti_hdmi.h
blob: 45215f44617c78dd7846543f449c9889fb3e25af (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
/*
 * ti_hdmi.h
 *
 * HDMI driver definition for TI OMAP4, DM81xx, DM38xx  Processor.
 *
 * Copyright (C) 2010-2011 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _TI_HDMI_H
#define _TI_HDMI_H

struct hdmi_ip_data;

enum hdmi_pll_pwr {
	HDMI_PLLPWRCMD_ALLOFF = 0,
	HDMI_PLLPWRCMD_PLLONLY = 1,
	HDMI_PLLPWRCMD_BOTHON_ALLCLKS = 2,
	HDMI_PLLPWRCMD_BOTHON_NOPHYCLK = 3
};

enum hdmi_core_hdmi_dvi {
	HDMI_DVI = 0,
	HDMI_HDMI = 1
};

enum hdmi_clk_refsel {
	HDMI_REFSEL_PCLK = 0,
	HDMI_REFSEL_REF1 = 1,
	HDMI_REFSEL_REF2 = 2,
	HDMI_REFSEL_SYSCLK = 3
};

struct hdmi_cm {
	int	code;
	int	mode;
};

struct hdmi_config {
	struct omap_video_timings timings;
	struct hdmi_cm cm;
};

/* HDMI PLL structure */
struct hdmi_pll_info {
	u16 regn;
	u16 regm;
	u32 regmf;
	u16 regm2;
	u16 regsd;
	u16 dcofreq;
	enum hdmi_clk_refsel refsel;
};

struct ti_hdmi_ip_ops {

	void (*video_configure)(struct hdmi_ip_data *ip_data);

	int (*phy_enable)(struct hdmi_ip_data *ip_data);

	void (*phy_disable)(struct hdmi_ip_data *ip_data);

	int (*read_edid)(struct hdmi_ip_data *ip_data, u8 *edid, int len);

	int (*pll_enable)(struct hdmi_ip_data *ip_data);

	void (*pll_disable)(struct hdmi_ip_data *ip_data);

	int (*video_enable)(struct hdmi_ip_data *ip_data);

	void (*video_disable)(struct hdmi_ip_data *ip_data);

	void (*dump_wrapper)(struct hdmi_ip_data *ip_data, struct seq_file *s);

	void (*dump_core)(struct hdmi_ip_data *ip_data, struct seq_file *s);

	void (*dump_pll)(struct hdmi_ip_data *ip_data, struct seq_file *s);

	void (*dump_phy)(struct hdmi_ip_data *ip_data, struct seq_file *s);

#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
	int (*audio_enable)(struct hdmi_ip_data *ip_data);

	void (*audio_disable)(struct hdmi_ip_data *ip_data);

	int (*audio_start)(struct hdmi_ip_data *ip_data);

	void (*audio_stop)(struct hdmi_ip_data *ip_data);

	int (*audio_config)(struct hdmi_ip_data *ip_data,
		struct omap_dss_audio *audio);

	int (*audio_get_dma_port)(u32 *offset, u32 *size);
#endif

};

/*
 * Refer to section 8.2 in HDMI 1.3 specification for
 * details about infoframe databytes
 */
struct hdmi_core_infoframe_avi {
	/* Y0, Y1 rgb,yCbCr */
	u8	db1_format;
	/* A0  Active information Present */
	u8	db1_active_info;
	/* B0, B1 Bar info data valid */
	u8	db1_bar_info_dv;
	/* S0, S1 scan information */
	u8	db1_scan_info;
	/* C0, C1 colorimetry */
	u8	db2_colorimetry;
	/* M0, M1 Aspect ratio (4:3, 16:9) */
	u8	db2_aspect_ratio;
	/* R0...R3 Active format aspect ratio */
	u8	db2_active_fmt_ar;
	/* ITC IT content. */
	u8	db3_itc;
	/* EC0, EC1, EC2 Extended colorimetry */
	u8	db3_ec;
	/* Q1, Q0 Quantization range */
	u8	db3_q_range;
	/* SC1, SC0 Non-uniform picture scaling */
	u8	db3_nup_scaling;
	/* VIC0..6 Video format identification */
	u8	db4_videocode;
	/* PR0..PR3 Pixel repetition factor */
	u8	db5_pixel_repeat;
	/* Line number end of top bar */
	u16	db6_7_line_eoftop;
	/* Line number start of bottom bar */
	u16	db8_9_line_sofbottom;
	/* Pixel number end of left bar */
	u16	db10_11_pixel_eofleft;
	/* Pixel number start of right bar */
	u16	db12_13_pixel_sofright;
};

struct hdmi_ip_data {
	void __iomem	*base_wp;	/* HDMI wrapper */
	unsigned long	core_sys_offset;
	unsigned long	core_av_offset;
	unsigned long	pll_offset;
	unsigned long	phy_offset;
	int		irq;
	const struct ti_hdmi_ip_ops *ops;
	struct hdmi_config cfg;
	struct hdmi_pll_info pll_data;
	struct hdmi_core_infoframe_avi avi_cfg;

	/* ti_hdmi_4xxx_ip private data. These should be in a separate struct */
	struct mutex lock;
};
int ti_hdmi_4xxx_phy_enable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_phy_disable(struct hdmi_ip_data *ip_data);
int ti_hdmi_4xxx_read_edid(struct hdmi_ip_data *ip_data, u8 *edid, int len);
int ti_hdmi_4xxx_wp_video_start(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_wp_video_stop(struct hdmi_ip_data *ip_data);
int ti_hdmi_4xxx_pll_enable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_pll_disable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_basic_configure(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_wp_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
void ti_hdmi_4xxx_pll_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
void ti_hdmi_4xxx_core_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
void ti_hdmi_4xxx_phy_dump(struct hdmi_ip_data *ip_data, struct seq_file *s);
#if defined(CONFIG_OMAP4_DSS_HDMI_AUDIO)
int hdmi_compute_acr(u32 sample_freq, u32 *n, u32 *cts);
int ti_hdmi_4xxx_wp_audio_enable(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_wp_audio_disable(struct hdmi_ip_data *ip_data);
int ti_hdmi_4xxx_audio_start(struct hdmi_ip_data *ip_data);
void ti_hdmi_4xxx_audio_stop(struct hdmi_ip_data *ip_data);
int ti_hdmi_4xxx_audio_config(struct hdmi_ip_data *ip_data,
		struct omap_dss_audio *audio);
int ti_hdmi_4xxx_audio_get_dma_port(u32 *offset, u32 *size);
#endif
#endif