[go: nahoru, domu]
1/* cx25840 internal API header
2 *
3 * Copyright (C) 2003-2004 Chris Kennedy
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version 2
8 * of the License, or (at your option) any later version.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
18 */
19
20#ifndef _CX25840_CORE_H_
21#define _CX25840_CORE_H_
22
23
24#include <linux/videodev2.h>
25#include <media/v4l2-device.h>
26#include <media/v4l2-ctrls.h>
27#include <linux/i2c.h>
28
29struct cx25840_ir_state;
30
31enum cx25840_model {
32	CX23885_AV,
33	CX23887_AV,
34	CX23888_AV,
35	CX2310X_AV,
36	CX25840,
37	CX25841,
38	CX25842,
39	CX25843,
40	CX25836,
41	CX25837,
42};
43
44struct cx25840_state {
45	struct i2c_client *c;
46	struct v4l2_subdev sd;
47	struct v4l2_ctrl_handler hdl;
48	struct {
49		/* volume cluster */
50		struct v4l2_ctrl *volume;
51		struct v4l2_ctrl *mute;
52	};
53	int pvr150_workaround;
54	int radio;
55	v4l2_std_id std;
56	enum cx25840_video_input vid_input;
57	enum cx25840_audio_input aud_input;
58	u32 audclk_freq;
59	int audmode;
60	int vbi_line_offset;
61	enum cx25840_model id;
62	u32 rev;
63	int is_initialized;
64	wait_queue_head_t fw_wait;    /* wake up when the fw load is finished */
65	struct work_struct fw_work;   /* work entry for fw load */
66	struct cx25840_ir_state *ir_state;
67};
68
69static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
70{
71	return container_of(sd, struct cx25840_state, sd);
72}
73
74static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
75{
76	return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
77}
78
79static inline bool is_cx2583x(struct cx25840_state *state)
80{
81	return state->id == CX25836 ||
82	       state->id == CX25837;
83}
84
85static inline bool is_cx231xx(struct cx25840_state *state)
86{
87	return state->id == CX2310X_AV;
88}
89
90static inline bool is_cx2388x(struct cx25840_state *state)
91{
92	return state->id == CX23885_AV ||
93	       state->id == CX23887_AV ||
94	       state->id == CX23888_AV;
95}
96
97static inline bool is_cx23885(struct cx25840_state *state)
98{
99	return state->id == CX23885_AV;
100}
101
102static inline bool is_cx23887(struct cx25840_state *state)
103{
104	return state->id == CX23887_AV;
105}
106
107static inline bool is_cx23888(struct cx25840_state *state)
108{
109	return state->id == CX23888_AV;
110}
111
112/* ----------------------------------------------------------------------- */
113/* cx25850-core.c 							   */
114int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
115int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
116u8 cx25840_read(struct i2c_client *client, u16 addr);
117u32 cx25840_read4(struct i2c_client *client, u16 addr);
118int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
119int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
120		    u32 or_value);
121void cx25840_std_setup(struct i2c_client *client);
122
123/* ----------------------------------------------------------------------- */
124/* cx25850-firmware.c                                                      */
125int cx25840_loadfw(struct i2c_client *client);
126
127/* ----------------------------------------------------------------------- */
128/* cx25850-audio.c                                                         */
129void cx25840_audio_set_path(struct i2c_client *client);
130int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
131
132extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
133
134/* ----------------------------------------------------------------------- */
135/* cx25850-vbi.c                                                           */
136int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
137int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
138int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
139int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
140
141/* ----------------------------------------------------------------------- */
142/* cx25850-ir.c                                                            */
143extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
144int cx25840_ir_log_status(struct v4l2_subdev *sd);
145int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
146int cx25840_ir_probe(struct v4l2_subdev *sd);
147int cx25840_ir_remove(struct v4l2_subdev *sd);
148
149#endif
150