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 */ 144