drivers/media/i2c/msp3400-driver.h

   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 */
  48 extern int msp_debug;
  49 extern bool msp_once;
  50 extern bool msp_amsound;
  51 extern int msp_standard;
  52 extern bool msp_dolby;
  53 extern int msp_stereo_thresh;
  54
  55 struct msp_state {
  56         struct v4l2_subdev sd;
  57         struct v4l2_ctrl_handler hdl;
  58         int rev1, rev2;
  59         int ident;
  60         u8 has_nicam;
  61         u8 has_radio;
  62         u8 has_headphones;
  63         u8 has_ntsc_jp_d_k3;
  64         u8 has_scart2;
  65         u8 has_scart3;
  66         u8 has_scart4;
  67         u8 has_scart2_out;
  68         u8 has_scart2_out_volume;
  69         u8 has_i2s_conf;
  70         u8 has_subwoofer;
  71         u8 has_sound_processing;
  72         u8 has_virtual_dolby_surround;
  73         u8 has_dolby_pro_logic;
  74         u8 force_btsc;
  75
  76         int radio;
  77         int opmode;
  78         int std;
  79         int mode;
  80         v4l2_std_id v4l2_std, detected_std;
  81         int nicam_on;
  82         int acb;
  83         int in_scart;
  84         int i2s_mode;
  85         int main, second;       /* sound carrier */
  86         int input;
  87         u32 route_in;
  88         u32 route_out;
  89
  90         /* v4l2 */
  91         int audmode;
  92         int rxsubchans;
  93
  94         struct {
  95                 /* volume cluster */
  96                 struct v4l2_ctrl *volume;
  97                 struct v4l2_ctrl *muted;
  98         };
  99
 100         int scan_in_progress;
 101
 102         /* thread */
 103         struct task_struct   *kthread;
 104         wait_queue_head_t    wq;
 105         unsigned int         restart:1;
 106         unsigned int         watch_stereo:1;
 107
 108 #if IS_ENABLED(CONFIG_MEDIA_CONTROLLER)
 109         struct media_pad pads[IF_AUD_DEC_PAD_NUM_PADS];
 110 #endif
 111 };
 112
 113 static inline struct msp_state *to_state(struct v4l2_subdev *sd)
 114 {
 115         return container_of(sd, struct msp_state, sd);
 116 }
 117
 118 static inline struct msp_state *ctrl_to_state(struct v4l2_ctrl *ctrl)
 119 {
 120         return container_of(ctrl->handler, struct msp_state, hdl);
 121 }
 122
 123 /* msp3400-driver.c */
 124 int msp_write_dem(struct i2c_client *client, int addr, int val);
 125 int msp_write_dsp(struct i2c_client *client, int addr, int val);
 126 int msp_read_dem(struct i2c_client *client, int addr);
 127 int msp_read_dsp(struct i2c_client *client, int addr);
 128 int msp_reset(struct i2c_client *client);
 129 void msp_set_scart(struct i2c_client *client, int in, int out);
 130 void msp_update_volume(struct msp_state *state);
 131 int msp_sleep(struct msp_state *state, int timeout);
 132
 133 /* msp3400-kthreads.c */
 134 const char *msp_standard_std_name(int std);
 135 void msp_set_audmode(struct i2c_client *client);
 136 int msp_detect_stereo(struct i2c_client *client);
 137 int msp3400c_thread(void *data);
 138 int msp3410d_thread(void *data);
 139 int msp34xxg_thread(void *data);
 140 void msp3400c_set_mode(struct i2c_client *client, int mode);
 141 void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2);
 142
 143 #endif /* MSP3400_DRIVER_H */