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-chip-ident.h>
27 #include <media/v4l2-ctrls.h>
28 #include <linux/i2c.h>
29
30 struct cx25840_ir_state;
31
32 struct cx25840_state {
33 struct i2c_client *c;
34 struct v4l2_subdev sd;
35 struct v4l2_ctrl_handler hdl;
36 struct {
37 /* volume cluster */
38 struct v4l2_ctrl *volume;
39 struct v4l2_ctrl *mute;
40 };
41 int pvr150_workaround;
42 int radio;
43 v4l2_std_id std;
44 enum cx25840_video_input vid_input;
45 enum cx25840_audio_input aud_input;
46 u32 audclk_freq;
47 int audmode;
48 int vbi_line_offset;
49 u32 id;
50 u32 rev;
51 int is_initialized;
52 wait_queue_head_t fw_wait; /* wake up when the fw load is finished */
53 struct work_struct fw_work; /* work entry for fw load */
54 struct cx25840_ir_state *ir_state;
55 };
56
to_state(struct v4l2_subdev * sd)57 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
58 {
59 return container_of(sd, struct cx25840_state, sd);
60 }
61
to_sd(struct v4l2_ctrl * ctrl)62 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
63 {
64 return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
65 }
66
is_cx2583x(struct cx25840_state * state)67 static inline bool is_cx2583x(struct cx25840_state *state)
68 {
69 return state->id == V4L2_IDENT_CX25836 ||
70 state->id == V4L2_IDENT_CX25837;
71 }
72
is_cx231xx(struct cx25840_state * state)73 static inline bool is_cx231xx(struct cx25840_state *state)
74 {
75 return state->id == V4L2_IDENT_CX2310X_AV;
76 }
77
is_cx2388x(struct cx25840_state * state)78 static inline bool is_cx2388x(struct cx25840_state *state)
79 {
80 return state->id == V4L2_IDENT_CX23885_AV ||
81 state->id == V4L2_IDENT_CX23887_AV ||
82 state->id == V4L2_IDENT_CX23888_AV;
83 }
84
is_cx23885(struct cx25840_state * state)85 static inline bool is_cx23885(struct cx25840_state *state)
86 {
87 return state->id == V4L2_IDENT_CX23885_AV;
88 }
89
is_cx23887(struct cx25840_state * state)90 static inline bool is_cx23887(struct cx25840_state *state)
91 {
92 return state->id == V4L2_IDENT_CX23887_AV;
93 }
94
is_cx23888(struct cx25840_state * state)95 static inline bool is_cx23888(struct cx25840_state *state)
96 {
97 return state->id == V4L2_IDENT_CX23888_AV;
98 }
99
100 /* ----------------------------------------------------------------------- */
101 /* cx25850-core.c */
102 int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
103 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
104 u8 cx25840_read(struct i2c_client *client, u16 addr);
105 u32 cx25840_read4(struct i2c_client *client, u16 addr);
106 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
107 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
108 u32 or_value);
109 void cx25840_std_setup(struct i2c_client *client);
110
111 /* ----------------------------------------------------------------------- */
112 /* cx25850-firmware.c */
113 int cx25840_loadfw(struct i2c_client *client);
114
115 /* ----------------------------------------------------------------------- */
116 /* cx25850-audio.c */
117 void cx25840_audio_set_path(struct i2c_client *client);
118 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
119
120 extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
121
122 /* ----------------------------------------------------------------------- */
123 /* cx25850-vbi.c */
124 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
125 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
126 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
127 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
128
129 /* ----------------------------------------------------------------------- */
130 /* cx25850-ir.c */
131 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
132 int cx25840_ir_log_status(struct v4l2_subdev *sd);
133 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
134 int cx25840_ir_probe(struct v4l2_subdev *sd);
135 int cx25840_ir_remove(struct v4l2_subdev *sd);
136
137 #endif
138