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