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 
30 #define LOG_PREFIX "cxd2820r"
31 
32 #undef dbg
33 #define dbg(f, arg...) \
34 	if (cxd2820r_debug) \
35 		printk(KERN_INFO   LOG_PREFIX": " f "\n" , ## arg)
36 #undef err
37 #define err(f, arg...)  printk(KERN_ERR     LOG_PREFIX": " f "\n" , ## arg)
38 #undef info
39 #define info(f, arg...) printk(KERN_INFO    LOG_PREFIX": " f "\n" , ## arg)
40 #undef warn
41 #define warn(f, arg...) printk(KERN_WARNING LOG_PREFIX": " f "\n" , ## arg)
42 
43 struct reg_val_mask {
44 	u32 reg;
45 	u8  val;
46 	u8  mask;
47 };
48 
49 struct cxd2820r_priv {
50 	struct i2c_adapter *i2c;
51 	struct dvb_frontend fe;
52 	struct cxd2820r_config cfg;
53 
54 	bool ber_running;
55 
56 	u8 bank[2];
57 	u8 gpio[3];
58 
59 	fe_delivery_system_t delivery_system;
60 	bool last_tune_failed; /* for switch between T and T2 tune */
61 };
62 
63 /* cxd2820r_core.c */
64 
65 extern int cxd2820r_debug;
66 
67 int cxd2820r_gpio(struct dvb_frontend *fe);
68 
69 int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
70 	u8 mask);
71 
72 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
73 	int len);
74 
75 u32 cxd2820r_div_u64_round_closest(u64 dividend, u32 divisor);
76 
77 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
78 	int len);
79 
80 int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
81 	int len);
82 
83 int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
84 
85 int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
86 
87 /* cxd2820r_c.c */
88 
89 int cxd2820r_get_frontend_c(struct dvb_frontend *fe);
90 
91 int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
92 
93 int cxd2820r_read_status_c(struct dvb_frontend *fe, fe_status_t *status);
94 
95 int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
96 
97 int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
98 
99 int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
100 
101 int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
102 
103 int cxd2820r_init_c(struct dvb_frontend *fe);
104 
105 int cxd2820r_sleep_c(struct dvb_frontend *fe);
106 
107 int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
108 	struct dvb_frontend_tune_settings *s);
109 
110 /* cxd2820r_t.c */
111 
112 int cxd2820r_get_frontend_t(struct dvb_frontend *fe);
113 
114 int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
115 
116 int cxd2820r_read_status_t(struct dvb_frontend *fe, fe_status_t *status);
117 
118 int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
119 
120 int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
121 
122 int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
123 
124 int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
125 
126 int cxd2820r_init_t(struct dvb_frontend *fe);
127 
128 int cxd2820r_sleep_t(struct dvb_frontend *fe);
129 
130 int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
131 	struct dvb_frontend_tune_settings *s);
132 
133 /* cxd2820r_t2.c */
134 
135 int cxd2820r_get_frontend_t2(struct dvb_frontend *fe);
136 
137 int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
138 
139 int cxd2820r_read_status_t2(struct dvb_frontend *fe, fe_status_t *status);
140 
141 int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
142 
143 int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
144 
145 int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
146 
147 int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
148 
149 int cxd2820r_init_t2(struct dvb_frontend *fe);
150 
151 int cxd2820r_sleep_t2(struct dvb_frontend *fe);
152 
153 int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
154 	struct dvb_frontend_tune_settings *s);
155 
156 #endif /* CXD2820R_PRIV_H */
157