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  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 */
 48extern int msp_debug;
 49extern bool msp_once;
 50extern bool msp_amsound;
 51extern int msp_standard;
 52extern bool msp_dolby;
 53extern int msp_stereo_thresh;
 54
 55enum msp3400_pads {
 56	MSP3400_PAD_IF_INPUT,
 57	MSP3400_PAD_OUT,
 58	MSP3400_NUM_PADS
 59};
 60
 61struct 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
119static inline struct msp_state *to_state(struct v4l2_subdev *sd)
120{
121	return container_of(sd, struct msp_state, sd);
122}
123
124static 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 */
130int msp_write_dem(struct i2c_client *client, int addr, int val);
131int msp_write_dsp(struct i2c_client *client, int addr, int val);
132int msp_read_dem(struct i2c_client *client, int addr);
133int msp_read_dsp(struct i2c_client *client, int addr);
134int msp_reset(struct i2c_client *client);
135void msp_set_scart(struct i2c_client *client, int in, int out);
136void msp_update_volume(struct msp_state *state);
137int msp_sleep(struct msp_state *state, int msec);
138
139/* msp3400-kthreads.c */
140const char *msp_standard_std_name(int std);
141void msp_set_audmode(struct i2c_client *client);
142int msp_detect_stereo(struct i2c_client *client);
143int msp3400c_thread(void *data);
144int msp3410d_thread(void *data);
145int msp34xxg_thread(void *data);
146void msp3400c_set_mode(struct i2c_client *client, int mode);
147void msp3400c_set_carrier(struct i2c_client *client, int cdo1, int cdo2);
148
149#endif /* MSP3400_DRIVER_H */