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
29 struct cx25840_ir_state;
30
31 enum 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
44 enum cx25840_media_pads {
45 CX25840_PAD_INPUT,
46 CX25840_PAD_VID_OUT,
47 CX25840_PAD_VBI_OUT,
48
49 CX25840_NUM_PADS
50 };
51
52 struct cx25840_state {
53 struct i2c_client *c;
54 struct v4l2_subdev sd;
55 struct v4l2_ctrl_handler hdl;
56 struct {
57 /* volume cluster */
58 struct v4l2_ctrl *volume;
59 struct v4l2_ctrl *mute;
60 };
61 int pvr150_workaround;
62 int radio;
63 v4l2_std_id std;
64 enum cx25840_video_input vid_input;
65 enum cx25840_audio_input aud_input;
66 u32 audclk_freq;
67 int audmode;
68 int vbi_line_offset;
69 enum cx25840_model id;
70 u32 rev;
71 int is_initialized;
72 wait_queue_head_t fw_wait; /* wake up when the fw load is finished */
73 struct work_struct fw_work; /* work entry for fw load */
74 struct cx25840_ir_state *ir_state;
75 #if defined(CONFIG_MEDIA_CONTROLLER)
76 struct media_pad pads[CX25840_NUM_PADS];
77 #endif
78 };
79
to_state(struct v4l2_subdev * sd)80 static inline struct cx25840_state *to_state(struct v4l2_subdev *sd)
81 {
82 return container_of(sd, struct cx25840_state, sd);
83 }
84
to_sd(struct v4l2_ctrl * ctrl)85 static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
86 {
87 return &container_of(ctrl->handler, struct cx25840_state, hdl)->sd;
88 }
89
is_cx2583x(struct cx25840_state * state)90 static inline bool is_cx2583x(struct cx25840_state *state)
91 {
92 return state->id == CX25836 ||
93 state->id == CX25837;
94 }
95
is_cx231xx(struct cx25840_state * state)96 static inline bool is_cx231xx(struct cx25840_state *state)
97 {
98 return state->id == CX2310X_AV;
99 }
100
is_cx2388x(struct cx25840_state * state)101 static inline bool is_cx2388x(struct cx25840_state *state)
102 {
103 return state->id == CX23885_AV ||
104 state->id == CX23887_AV ||
105 state->id == CX23888_AV;
106 }
107
is_cx23885(struct cx25840_state * state)108 static inline bool is_cx23885(struct cx25840_state *state)
109 {
110 return state->id == CX23885_AV;
111 }
112
is_cx23887(struct cx25840_state * state)113 static inline bool is_cx23887(struct cx25840_state *state)
114 {
115 return state->id == CX23887_AV;
116 }
117
is_cx23888(struct cx25840_state * state)118 static inline bool is_cx23888(struct cx25840_state *state)
119 {
120 return state->id == CX23888_AV;
121 }
122
123 /* ----------------------------------------------------------------------- */
124 /* cx25850-core.c */
125 int cx25840_write(struct i2c_client *client, u16 addr, u8 value);
126 int cx25840_write4(struct i2c_client *client, u16 addr, u32 value);
127 u8 cx25840_read(struct i2c_client *client, u16 addr);
128 u32 cx25840_read4(struct i2c_client *client, u16 addr);
129 int cx25840_and_or(struct i2c_client *client, u16 addr, unsigned mask, u8 value);
130 int cx25840_and_or4(struct i2c_client *client, u16 addr, u32 and_mask,
131 u32 or_value);
132 void cx25840_std_setup(struct i2c_client *client);
133
134 /* ----------------------------------------------------------------------- */
135 /* cx25850-firmware.c */
136 int cx25840_loadfw(struct i2c_client *client);
137
138 /* ----------------------------------------------------------------------- */
139 /* cx25850-audio.c */
140 void cx25840_audio_set_path(struct i2c_client *client);
141 int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq);
142
143 extern const struct v4l2_ctrl_ops cx25840_audio_ctrl_ops;
144
145 /* ----------------------------------------------------------------------- */
146 /* cx25850-vbi.c */
147 int cx25840_s_raw_fmt(struct v4l2_subdev *sd, struct v4l2_vbi_format *fmt);
148 int cx25840_s_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
149 int cx25840_g_sliced_fmt(struct v4l2_subdev *sd, struct v4l2_sliced_vbi_format *fmt);
150 int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi);
151
152 /* ----------------------------------------------------------------------- */
153 /* cx25850-ir.c */
154 extern const struct v4l2_subdev_ir_ops cx25840_ir_ops;
155 int cx25840_ir_log_status(struct v4l2_subdev *sd);
156 int cx25840_ir_irq_handler(struct v4l2_subdev *sd, u32 status, bool *handled);
157 int cx25840_ir_probe(struct v4l2_subdev *sd);
158 int cx25840_ir_remove(struct v4l2_subdev *sd);
159
160 #endif
161