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 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