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 
31 struct reg_val_mask {
32 	u32 reg;
33 	u8  val;
34 	u8  mask;
35 };
36 
37 struct 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 	enum fe_delivery_system delivery_system;
52 	bool last_tune_failed; /* for switch between T and T2 tune */
53 };
54 
55 /* cxd2820r_core.c */
56 
57 extern int cxd2820r_debug;
58 
59 int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
60 
61 int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
62 	u8 mask);
63 
64 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
65 	int len);
66 
67 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
68 	int len);
69 
70 int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
71 	int len);
72 
73 int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
74 
75 int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
76 
77 /* cxd2820r_c.c */
78 
79 int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
80 			    struct dtv_frontend_properties *p);
81 
82 int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
83 
84 int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status);
85 
86 int cxd2820r_read_ber_c(struct dvb_frontend *fe, u32 *ber);
87 
88 int cxd2820r_read_signal_strength_c(struct dvb_frontend *fe, u16 *strength);
89 
90 int cxd2820r_read_snr_c(struct dvb_frontend *fe, u16 *snr);
91 
92 int cxd2820r_read_ucblocks_c(struct dvb_frontend *fe, u32 *ucblocks);
93 
94 int cxd2820r_init_c(struct dvb_frontend *fe);
95 
96 int cxd2820r_sleep_c(struct dvb_frontend *fe);
97 
98 int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
99 	struct dvb_frontend_tune_settings *s);
100 
101 /* cxd2820r_t.c */
102 
103 int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
104 			    struct dtv_frontend_properties *p);
105 
106 int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
107 
108 int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status);
109 
110 int cxd2820r_read_ber_t(struct dvb_frontend *fe, u32 *ber);
111 
112 int cxd2820r_read_signal_strength_t(struct dvb_frontend *fe, u16 *strength);
113 
114 int cxd2820r_read_snr_t(struct dvb_frontend *fe, u16 *snr);
115 
116 int cxd2820r_read_ucblocks_t(struct dvb_frontend *fe, u32 *ucblocks);
117 
118 int cxd2820r_init_t(struct dvb_frontend *fe);
119 
120 int cxd2820r_sleep_t(struct dvb_frontend *fe);
121 
122 int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
123 	struct dvb_frontend_tune_settings *s);
124 
125 /* cxd2820r_t2.c */
126 
127 int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
128 			     struct dtv_frontend_properties *p);
129 
130 int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
131 
132 int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status);
133 
134 int cxd2820r_read_ber_t2(struct dvb_frontend *fe, u32 *ber);
135 
136 int cxd2820r_read_signal_strength_t2(struct dvb_frontend *fe, u16 *strength);
137 
138 int cxd2820r_read_snr_t2(struct dvb_frontend *fe, u16 *snr);
139 
140 int cxd2820r_read_ucblocks_t2(struct dvb_frontend *fe, u32 *ucblocks);
141 
142 int cxd2820r_init_t2(struct dvb_frontend *fe);
143 
144 int cxd2820r_sleep_t2(struct dvb_frontend *fe);
145 
146 int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
147 	struct dvb_frontend_tune_settings *s);
148 
149 #endif /* CXD2820R_PRIV_H */
150