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 enum msp3400_pads {
  56         MSP3400_PAD_IF_INPUT,
  57         MSP3400_PAD_OUT,
  58         MSP3400_NUM_PADS
  59 };
  60
  61 struct 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
 119 static inline struct msp_state *to_state(struct v4l2_subdev *sd)
 120 {
 121         return container_of(sd, struct msp_state, sd);
 122 }
 123
 124 static 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 */
 130 int msp_write_dem(struct i2c_client *client, int addr, int val);
 131 int msp_write_dsp(struct i2c_client *client, int addr, int val);
 132 int msp_read_dem(struct i2c_client *client, int addr);
 133 int msp_read_dsp(struct i2c_client *client, int addr);
 134 int msp_reset(struct i2c_client *client);
 135 void msp_set_scart(struct i2c_client *client, int in, int out);
 136 void msp_update_volume(struct msp_state *state);
 137 int msp_sleep(struct msp_state *state, int timeout);
 138
 139 /* msp3400-kthreads.c */
 140 const char *msp_standard_std_name(int std);
 141 void msp_set_audmode(struct i2c_client *client);
 142 int msp_detect_stereo(struct i2c_client *client);
 143 int msp3400c_thread(void *data);
 144 int msp3410d_thread(void *data);
 145 int msp34xxg_thread(void *data);
 146 void msp3400c_set_mode(struct i2c_client *client, int mode);
 147 void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2);
 148
 149 #endif /* MSP3400_DRIVER_H */