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