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 <media/dvb_frontend.h>
27 #include <media/dvb_math.h>
28 #include "cxd2820r.h"
29 #include <linux/gpio.h>
30 #include <linux/math64.h>
31 #include <linux/regmap.h>
32 
33 struct reg_val_mask {
34 	u32 reg;
35 	u8  val;
36 	u8  mask;
37 };
38 
39 #define CXD2820R_CLK 41000000
40 
41 struct cxd2820r_priv {
42 	struct i2c_client *client[2];
43 	struct regmap *regmap[2];
44 	struct i2c_adapter *i2c;
45 	struct dvb_frontend fe;
46 	u8 ts_mode;
47 	bool ts_clk_inv;
48 	bool if_agc_polarity;
49 	bool spec_inv;
50 
51 	u64 post_bit_error_prev_dvbv3;
52 	u64 post_bit_error;
53 
54 	bool ber_running;
55 
56 #define GPIO_COUNT 3
57 	u8 gpio[GPIO_COUNT];
58 #ifdef CONFIG_GPIOLIB
59 	struct gpio_chip gpio_chip;
60 #endif
61 
62 	enum fe_delivery_system delivery_system;
63 	bool last_tune_failed; /* for switch between T and T2 tune */
64 };
65 
66 /* cxd2820r_core.c */
67 
68 extern int cxd2820r_debug;
69 
70 int cxd2820r_gpio(struct dvb_frontend *fe, u8 *gpio);
71 
72 int cxd2820r_wr_reg_val_mask_tab(struct cxd2820r_priv *priv,
73 				 const struct reg_val_mask *tab, int tab_len);
74 
75 int cxd2820r_wr_reg_mask(struct cxd2820r_priv *priv, u32 reg, u8 val,
76 	u8 mask);
77 
78 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
79 	int len);
80 
81 int cxd2820r_wr_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
82 	int len);
83 
84 int cxd2820r_rd_regs(struct cxd2820r_priv *priv, u32 reginfo, u8 *val,
85 	int len);
86 
87 int cxd2820r_wr_reg(struct cxd2820r_priv *priv, u32 reg, u8 val);
88 
89 int cxd2820r_rd_reg(struct cxd2820r_priv *priv, u32 reg, u8 *val);
90 
91 /* cxd2820r_c.c */
92 
93 int cxd2820r_get_frontend_c(struct dvb_frontend *fe,
94 			    struct dtv_frontend_properties *p);
95 
96 int cxd2820r_set_frontend_c(struct dvb_frontend *fe);
97 
98 int cxd2820r_read_status_c(struct dvb_frontend *fe, enum fe_status *status);
99 
100 int cxd2820r_init_c(struct dvb_frontend *fe);
101 
102 int cxd2820r_sleep_c(struct dvb_frontend *fe);
103 
104 int cxd2820r_get_tune_settings_c(struct dvb_frontend *fe,
105 	struct dvb_frontend_tune_settings *s);
106 
107 /* cxd2820r_t.c */
108 
109 int cxd2820r_get_frontend_t(struct dvb_frontend *fe,
110 			    struct dtv_frontend_properties *p);
111 
112 int cxd2820r_set_frontend_t(struct dvb_frontend *fe);
113 
114 int cxd2820r_read_status_t(struct dvb_frontend *fe, enum fe_status *status);
115 
116 int cxd2820r_init_t(struct dvb_frontend *fe);
117 
118 int cxd2820r_sleep_t(struct dvb_frontend *fe);
119 
120 int cxd2820r_get_tune_settings_t(struct dvb_frontend *fe,
121 	struct dvb_frontend_tune_settings *s);
122 
123 /* cxd2820r_t2.c */
124 
125 int cxd2820r_get_frontend_t2(struct dvb_frontend *fe,
126 			     struct dtv_frontend_properties *p);
127 
128 int cxd2820r_set_frontend_t2(struct dvb_frontend *fe);
129 
130 int cxd2820r_read_status_t2(struct dvb_frontend *fe, enum fe_status *status);
131 
132 int cxd2820r_init_t2(struct dvb_frontend *fe);
133 
134 int cxd2820r_sleep_t2(struct dvb_frontend *fe);
135 
136 int cxd2820r_get_tune_settings_t2(struct dvb_frontend *fe,
137 	struct dvb_frontend_tune_settings *s);
138 
139 #endif /* CXD2820R_PRIV_H */
140