cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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msp3400-driver.h (3697B)

      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 timeout);
    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 */