LXR linux/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 */
  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 timeout);
 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