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 msec); 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 */ 150