1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 */
4
5#ifndef MSP3400_DRIVER_H
6#define MSP3400_DRIVER_H
7
8#include <media/drv-intf/msp3400.h>
9#include <media/v4l2-device.h>
10#include <media/v4l2-ctrls.h>
11#include <media/v4l2-mc.h>
12
13/* ---------------------------------------------------------------------- */
14
15/* This macro is allowed for *constants* only, gcc must calculate it
16 at compile time. Remember -- no floats in kernel mode */
17#define MSP_CARRIER(freq) ((int)((float)(freq / 18.432) * (1 << 24)))
18
19#define MSP_MODE_AM_DETECT 0
20#define MSP_MODE_FM_RADIO 2
21#define MSP_MODE_FM_TERRA 3
22#define MSP_MODE_FM_SAT 4
23#define MSP_MODE_FM_NICAM1 5
24#define MSP_MODE_FM_NICAM2 6
25#define MSP_MODE_AM_NICAM 7
26#define MSP_MODE_BTSC 8
27#define MSP_MODE_EXTERN 9
28
29#define SCART_IN1 0
30#define SCART_IN2 1
31#define SCART_IN3 2
32#define SCART_IN4 3
33#define SCART_IN1_DA 4
34#define SCART_IN2_DA 5
35#define SCART_MONO 6
36#define SCART_MUTE 7
37
38#define SCART_DSP_IN 0
39#define SCART1_OUT 1
40#define SCART2_OUT 2
41
42#define OPMODE_AUTO -1
43#define OPMODE_MANUAL 0
44#define OPMODE_AUTODETECT 1 /* use autodetect (>= msp3410 only) */
45#define OPMODE_AUTOSELECT 2 /* use autodetect & autoselect (>= msp34xxG) */
46
47/* module parameters */
48extern int msp_debug;
49extern bool msp_once;
50extern bool msp_amsound;
51extern int msp_standard;
52extern bool msp_dolby;
53extern int msp_stereo_thresh;
54
55enum msp3400_pads {
56 MSP3400_PAD_IF_INPUT,
57 MSP3400_PAD_OUT,
58 MSP3400_NUM_PADS
59};
60
61struct msp_state {
62 struct v4l2_subdev sd;
63 struct v4l2_ctrl_handler hdl;
64 int rev1, rev2;
65 int ident;
66 u8 has_nicam;
67 u8 has_radio;
68 u8 has_headphones;
69 u8 has_ntsc_jp_d_k3;
70 u8 has_scart2;
71 u8 has_scart3;
72 u8 has_scart4;
73 u8 has_scart2_out;
74 u8 has_scart2_out_volume;
75 u8 has_i2s_conf;
76 u8 has_subwoofer;
77 u8 has_sound_processing;
78 u8 has_virtual_dolby_surround;
79 u8 has_dolby_pro_logic;
80 u8 force_btsc;
81
82 int radio;
83 int opmode;
84 int std;
85 int mode;
86 v4l2_std_id v4l2_std, detected_std;
87 int nicam_on;
88 int acb;
89 int in_scart;
90 int i2s_mode;
91 int main, second; /* sound carrier */
92 int input;
93 u32 route_in;
94 u32 route_out;
95
96 /* v4l2 */
97 int audmode;
98 int rxsubchans;
99
100 struct {
101 /* volume cluster */
102 struct v4l2_ctrl *volume;
103 struct v4l2_ctrl *muted;
104 };
105
106 int scan_in_progress;
107
108 /* thread */
109 struct task_struct *kthread;
110 wait_queue_head_t wq;
111 unsigned int restart:1;
112 unsigned int watch_stereo:1;
113
114#if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
115 struct media_pad pads[MSP3400_NUM_PADS];
116#endif
117};
118
119static inline struct msp_state *to_state(struct v4l2_subdev *sd)
120{
121 return container_of(sd, struct msp_state, sd);
122}
123
124static inline struct msp_state *ctrl_to_state(struct v4l2_ctrl *ctrl)
125{
126 return container_of(ctrl->handler, struct msp_state, hdl);
127}
128
129/* msp3400-driver.c */
130int msp_write_dem(struct i2c_client *client, int addr, int val);
131int msp_write_dsp(struct i2c_client *client, int addr, int val);
132int msp_read_dem(struct i2c_client *client, int addr);
133int msp_read_dsp(struct i2c_client *client, int addr);
134int msp_reset(struct i2c_client *client);
135void msp_set_scart(struct i2c_client *client, int in, int out);
136void msp_update_volume(struct msp_state *state);
137int msp_sleep(struct msp_state *state, int msec);
138
139/* msp3400-kthreads.c */
140const char *msp_standard_std_name(int std);
141void msp_set_audmode(struct i2c_client *client);
142int msp_detect_stereo(struct i2c_client *client);
143int msp3400c_thread(void *data);
144int msp3410d_thread(void *data);
145int msp34xxg_thread(void *data);
146void msp3400c_set_mode(struct i2c_client *client, int mode);
147void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2);
148
149#endif /* MSP3400_DRIVER_H */
150

source code of linux/drivers/media/i2c/msp3400-driver.h