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 
to_state(struct v4l2_subdev * sd)119 static inline struct msp_state *to_state(struct v4l2_subdev *sd)
120 {
121 	return container_of(sd, struct msp_state, sd);
122 }
123 
ctrl_to_state(struct v4l2_ctrl * ctrl)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 */
150