1/*
2 * Sony CXD2820R demodulator driver
3 *
4 * Copyright (C) 2010 Antti Palosaari <crope@iki.fi>
5 *
6 *    This program is free software; you can redistribute it and/or modify
7 *    it under the terms of the GNU General Public License as published by
8 *    the Free Software Foundation; either version 2 of the License, or
9 *    (at your option) any later version.
10 *
11 *    This program is distributed in the hope that it will be useful,
12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 *    GNU General Public License for more details.
15 *
16 *    You should have received a copy of the GNU General Public License along
17 *    with this program; if not, write to the Free Software Foundation, Inc.,
18 *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 */
20
21
22#ifndef CXD2820R_PRIV_H
23#define CXD2820R_PRIV_H
24
25#include <linux/dvb/version.h>
26#include "dvb_frontend.h"
27#include "dvb_math.h"
28#include "cxd2820r.h"
29#include <linux/gpio.h>
30
31struct reg_val_mask {
32	u32 reg;
33	u8  val;
34	u8  mask;
35};
36
37struct cxd2820r_priv {
38	struct i2c_adapter *i2c;
39	struct dvb_frontend fe;
40	struct cxd2820r_config cfg;
41
42	bool ber_running;
43
44	u8 bank[2];
45#define GPIO_COUNT 3
46	u8 gpio[GPIO_COUNT];
47#ifdef CONFIG_GPIOLIB
48	struct gpio_chip gpio_chip;
49#endif
50
51	fe_delivery_system_t delivery_system;
52	bool last_tune_failed; /* for switch between T and T2 tune */
53};
54
55/* cxd2820r_core.c */
56
57extern int cxd2820r_debug;
58
59int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
60
61int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
62	u8 mask);
63
64int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
65	int len);
66
67u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
68
69int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
70	int len);
71
72int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
73	int len);
74
75int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
76
77int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
78
79/* cxd2820r_c.c */
80
81int cxd2820r_get_frontend_c(struct dvb_frontend *fe);
82
83int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
84
85int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
86
87int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
88
89int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
90
91int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
92
93int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
94
95int cxd2820r_init_c(struct dvb_frontend *fe);
96
97int cxd2820r_sleep_c(struct dvb_frontend *fe);
98
99int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
100	struct dvb_frontend_tune_settings *s);
101
102/* cxd2820r_t.c */
103
104int cxd2820r_get_frontend_t(struct dvb_frontend *fe);
105
106int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
107
108int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
109
110int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
111
112int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
113
114int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
115
116int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
117
118int cxd2820r_init_t(struct dvb_frontend *fe);
119
120int cxd2820r_sleep_t(struct dvb_frontend *fe);
121
122int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
123	struct dvb_frontend_tune_settings *s);
124
125/* cxd2820r_t2.c */
126
127int cxd2820r_get_frontend_t2(struct dvb_frontend *fe);
128
129int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
130
131int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
132
133int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
134
135int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
136
137int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
138
139int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
140
141int cxd2820r_init_t2(struct dvb_frontend *fe);
142
143int cxd2820r_sleep_t2(struct dvb_frontend *fe);
144
145int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
146	struct dvb_frontend_tune_settings *s);
147
148#endif /* CXD2820R_PRIV_H */
149