drivers/media/i2c/msp3400-driver.h

   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 */