1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Sony CXD2820R demodulator driver
4  *
5  * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
6  */
7 
8 
9 #ifndef CXD2820R_PRIV_H
10 #define CXD2820R_PRIV_H
11 
12 #include <linux/dvb/version.h>
13 #include <media/dvb_frontend.h>
14 #include <media/dvb_math.h>
15 #include "cxd2820r.h"
16 #include <linux/gpio/driver.h> /* For gpio_chip */
17 #include <linux/math64.h>
18 #include <linux/regmap.h>
19 
20 struct reg_val_mask {
21 	u32 reg;
22 	u8  val;
23 	u8  mask;
24 };
25 
26 #define CXD2820R_CLK 41000000
27 
28 struct cxd2820r_priv {
29 	struct i2c_client *client[2];
30 	struct regmap *regmap[2];
31 	struct i2c_adapter *i2c;
32 	struct dvb_frontend fe;
33 	u8 ts_mode;
34 	bool ts_clk_inv;
35 	bool if_agc_polarity;
36 	bool spec_inv;
37 
38 	u64 post_bit_error_prev_dvbv3;
39 	u64 post_bit_error;
40 
41 	bool ber_running;
42 
43 #define GPIO_COUNT 3
44 	u8 gpio[GPIO_COUNT];
45 #ifdef CONFIG_GPIOLIB
46 	struct gpio_chip gpio_chip;
47 #endif
48 
49 	enum fe_delivery_system delivery_system;
50 	bool last_tune_failed; /* for switch between T and T2 tune */
51 };
52 
53 /* cxd2820r_core.c */
54 
55 int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
56 
57 int cxd2820r_wr_reg_val_mask_tab(struct cxd2820r_priv *priv,
58 				 const struct reg_val_mask *tab, int tab_len);
59 
60 int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
61 	u8 mask);
62 
63 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
64 	int len);
65 
66 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
67 	int len);
68 
69 int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
70 	int len);
71 
72 int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
73 
74 int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
75 
76 /* cxd2820r_c.c */
77 
78 int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
79 			    struct dtv_frontend_properties *p);
80 
81 int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
82 
83 int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status);
84 
85 int cxd2820r_init_c(struct dvb_frontend *fe);
86 
87 int cxd2820r_sleep_c(struct dvb_frontend *fe);
88 
89 int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
90 	struct dvb_frontend_tune_settings *s);
91 
92 /* cxd2820r_t.c */
93 
94 int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
95 			    struct dtv_frontend_properties *p);
96 
97 int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
98 
99 int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status);
100 
101 int cxd2820r_init_t(struct dvb_frontend *fe);
102 
103 int cxd2820r_sleep_t(struct dvb_frontend *fe);
104 
105 int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
106 	struct dvb_frontend_tune_settings *s);
107 
108 /* cxd2820r_t2.c */
109 
110 int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
111 			     struct dtv_frontend_properties *p);
112 
113 int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
114 
115 int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status);
116 
117 int cxd2820r_init_t2(struct dvb_frontend *fe);
118 
119 int cxd2820r_sleep_t2(struct dvb_frontend *fe);
120 
121 int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
122 	struct dvb_frontend_tune_settings *s);
123 
124 #endif /* CXD2820R_PRIV_H */
125