summaryrefslogtreecommitdiff
path: root/drivers/media/i2c/cx25840/cx25840-core.h
blob: bd4ada28b490ad40619ca21de690b6cdfb84f9f8 (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
/* cx25840 internal API header
 *
 * Copyright (C) 2003-2004 Chris Kennedy
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

#ifndef _CX25840_CORE_H_
#define _CX25840_CORE_H_


#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-ctrls.h>
#include <linux/i2c.h>

struct cx25840_ir_state;

struct cx25840_state {
	struct i2c_client *c;
	struct v4l2_subdev sd;
	struct v4l2_ctrl_handler hdl;
	struct {
		/* volume cluster */
		struct v4l2_ctrl *volume;
		struct v4l2_ctrl *mute;
	};
	int pvr150_workaround;
	int radio;
	v4l2_std_id std;
	enum cx25840_video_input vid_input;
	enum cx25840_audio_input aud_input;
	u32 audclk_freq;
	int audmode;
	int vbi_line_offset;
	u32 id;
	u32 rev;
	int is_initialized;
	wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
	struct work_struct fw_work;   /* work entry for fw load */
	struct cx25840_ir_state *ir_state;
};

static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
{
	return container_of(sd, struct cx25840_state, sd);
}

static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
{
	return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
}

static inline bool is_cx2583x(struct cx25840_state *state)
{
	return state->id == V4L2_IDENT_CX25836 ||
	       state->id == V4L2_IDENT_CX25837;
}

static inline bool is_cx231xx(struct cx25840_state *state)
{
	return state->id == V4L2_IDENT_CX2310X_AV;
}

static inline bool is_cx2388x(struct cx25840_state *state)
{
	return state->id == V4L2_IDENT_CX23885_AV ||
	       state->id == V4L2_IDENT_CX23887_AV ||
	       state->id == V4L2_IDENT_CX23888_AV;
}

static inline bool is_cx23885(struct cx25840_state *state)
{
	return state->id == V4L2_IDENT_CX23885_AV;
}

static inline bool is_cx23887(struct cx25840_state *state)
{
	return state->id == V4L2_IDENT_CX23887_AV;
}

static inline bool is_cx23888(struct cx25840_state *state)
{
	return state->id == V4L2_IDENT_CX23888_AV;
}

/* ----------------------------------------------------------------------- */
/* cx25850-core.c 							   */
int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
u8 cx25840_read(struct i2c_client *client, u16 addr);
u32 cx25840_read4(struct i2c_client *client, u16 addr);
int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
		    u32 or_value);
void cx25840_std_setup(struct i2c_client *client);

/* ----------------------------------------------------------------------- */
/* cx25850-firmware.c                                                      */
int cx25840_loadfw(struct i2c_client *client);

/* ----------------------------------------------------------------------- */
/* cx25850-audio.c                                                         */
void cx25840_audio_set_path(struct i2c_client *client);
int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);

extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;

/* ----------------------------------------------------------------------- */
/* cx25850-vbi.c                                                           */
int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);

/* ----------------------------------------------------------------------- */
/* cx25850-ir.c                                                            */
extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
int cx25840_ir_log_status(struct v4l2_subdev *sd);
int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
int cx25840_ir_probe(struct v4l2_subdev *sd);
int cx25840_ir_remove(struct v4l2_subdev *sd);

#endif