1 /* cx25840 internal API header
3 * Copyright (C) 2003-2004 Chris Kennedy
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.
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.
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.
20 #ifndef _CX25840_CORE_H_
21 #define _CX25840_CORE_H_
24 #include <linux/videodev2.h>
25 #include <media/v4l2-device.h>
26 #include <media/v4l2-chip-ident.h>
27 #include <linux/i2c.h>
29 struct cx25840_ir_state;
31 struct cx25840_state {
33 struct v4l2_subdev sd;
34 int pvr150_workaround;
37 enum cx25840_video_input vid_input;
38 enum cx25840_audio_input aud_input;
41 int unmute_volume; /* -1 if not muted */
47 wait_queue_head_t fw_wait; /* wake up when the fw load is finished */
48 struct work_struct fw_work; /* work entry for fw load */
49 struct cx25840_ir_state *ir_state;
52 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
54 return container_of(sd, struct cx25840_state, sd);
57 static inline bool is_cx2583x(struct cx25840_state *state)
59 return state->id == V4L2_IDENT_CX25836 ||
60 state->id == V4L2_IDENT_CX25837;
63 static inline bool is_cx231xx(struct cx25840_state *state)
65 return state->id == V4L2_IDENT_CX2310X_AV;
68 static inline bool is_cx2388x(struct cx25840_state *state)
70 return state->id == V4L2_IDENT_CX23885_AV ||
71 state->id == V4L2_IDENT_CX23887_AV ||
72 state->id == V4L2_IDENT_CX23888_AV;
75 static inline bool is_cx23885(struct cx25840_state *state)
77 return state->id == V4L2_IDENT_CX23885_AV;
80 static inline bool is_cx23887(struct cx25840_state *state)
82 return state->id == V4L2_IDENT_CX23887_AV;
85 static inline bool is_cx23888(struct cx25840_state *state)
87 return state->id == V4L2_IDENT_CX23888_AV;
90 /* ----------------------------------------------------------------------- */
92 int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
93 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
94 u8 cx25840_read(struct i2c_client *client, u16 addr);
95 u32 cx25840_read4(struct i2c_client *client, u16 addr);
96 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
97 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
99 void cx25840_std_setup(struct i2c_client *client);
101 /* ----------------------------------------------------------------------- */
102 /* cx25850-firmware.c */
103 int cx25840_loadfw(struct i2c_client *client);
105 /* ----------------------------------------------------------------------- */
106 /* cx25850-audio.c */
107 void cx25840_audio_set_path(struct i2c_client *client);
108 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
109 int cx25840_audio_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
110 int cx25840_audio_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl);
112 /* ----------------------------------------------------------------------- */
114 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
115 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
116 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
117 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
119 /* ----------------------------------------------------------------------- */
121 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
122 int cx25840_ir_log_status(struct v4l2_subdev *sd);
123 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
124 int cx25840_ir_probe(struct v4l2_subdev *sd);
125 int cx25840_ir_remove(struct v4l2_subdev *sd);