1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 	STB0899 Multistandard Frontend driver
4 	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
5 
6 	Copyright (C) ST Microelectronics
7 
8 */
9 
10 #ifndef __STB0899_DRV_H
11 #define __STB0899_DRV_H
12 
13 #include <linux/kernel.h>
14 #include <linux/module.h>
15 
16 #include <media/dvb_frontend.h>
17 
18 #define STB0899_TSMODE_SERIAL		1
19 #define STB0899_CLKPOL_FALLING		2
20 #define STB0899_CLKNULL_PARITY		3
21 #define STB0899_SYNC_FORCED		4
22 #define STB0899_FECMODE_DSS		5
23 
24 struct stb0899_s1_reg {
25 	u16	address;
26 	u8	data;
27 };
28 
29 struct stb0899_s2_reg {
30 	u16	offset;
31 	u32	base_address;
32 	u32	data;
33 };
34 
35 enum stb0899_inversion {
36 	IQ_SWAP_OFF	= +1, /* inversion affects the sign of e. g. */
37 	IQ_SWAP_ON	= -1, /* the derotator frequency register    */
38 };
39 
40 #define STB0899_GPIO00				0xf140
41 #define STB0899_GPIO01				0xf141
42 #define STB0899_GPIO02				0xf142
43 #define STB0899_GPIO03				0xf143
44 #define STB0899_GPIO04				0xf144
45 #define STB0899_GPIO05				0xf145
46 #define STB0899_GPIO06				0xf146
47 #define STB0899_GPIO07				0xf147
48 #define STB0899_GPIO08				0xf148
49 #define STB0899_GPIO09				0xf149
50 #define STB0899_GPIO10				0xf14a
51 #define STB0899_GPIO11				0xf14b
52 #define STB0899_GPIO12				0xf14c
53 #define STB0899_GPIO13				0xf14d
54 #define STB0899_GPIO14				0xf14e
55 #define STB0899_GPIO15				0xf14f
56 #define STB0899_GPIO16				0xf150
57 #define STB0899_GPIO17				0xf151
58 #define STB0899_GPIO18				0xf152
59 #define STB0899_GPIO19				0xf153
60 #define STB0899_GPIO20				0xf154
61 
62 #define STB0899_GPIOPULLUP			0x01 /* Output device is connected to Vdd */
63 #define STB0899_GPIOPULLDN			0x00 /* Output device is connected to Vss */
64 
65 #define STB0899_POSTPROC_GPIO_POWER		0x00
66 #define STB0899_POSTPROC_GPIO_LOCK		0x01
67 
68 /*
69  * Post process output configuration control
70  * 1. POWER ON/OFF		(index 0)
71  * 2. FE_HAS_LOCK/LOCK_LOSS	(index 1)
72  *
73  * @gpio	= one of the above listed GPIO's
74  * @level	= output state: pulled up or low
75  */
76 struct stb0899_postproc {
77 	u16	gpio;
78 	u8	level;
79 };
80 
81 struct stb0899_config {
82 	const struct stb0899_s1_reg	*init_dev;
83 	const struct stb0899_s2_reg	*init_s2_demod;
84 	const struct stb0899_s1_reg	*init_s1_demod;
85 	const struct stb0899_s2_reg	*init_s2_fec;
86 	const struct stb0899_s1_reg	*init_tst;
87 
88 	const struct stb0899_postproc	*postproc;
89 
90 	enum stb0899_inversion		inversion;
91 
92 	u32	xtal_freq;
93 
94 	u8	demod_address;
95 	u8	ts_output_mode;
96 	u8	block_sync_mode;
97 	u8	ts_pfbit_toggle;
98 
99 	u8	clock_polarity;
100 	u8	data_clk_parity;
101 	u8	fec_mode;
102 	u8	data_output_ctl;
103 	u8	data_fifo_mode;
104 	u8	out_rate_comp;
105 	u8	i2c_repeater;
106 //	int	inversion;
107 	int	lo_clk;
108 	int	hi_clk;
109 
110 	u32	esno_ave;
111 	u32	esno_quant;
112 	u32	avframes_coarse;
113 	u32	avframes_fine;
114 	u32	miss_threshold;
115 	u32	uwp_threshold_acq;
116 	u32	uwp_threshold_track;
117 	u32	uwp_threshold_sof;
118 	u32	sof_search_timeout;
119 
120 	u32	btr_nco_bits;
121 	u32	btr_gain_shift_offset;
122 	u32	crl_nco_bits;
123 	u32	ldpc_max_iter;
124 
125 	int (*tuner_set_frequency)(struct dvb_frontend *fe, u32 frequency);
126 	int (*tuner_get_frequency)(struct dvb_frontend *fe, u32 *frequency);
127 	int (*tuner_set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
128 	int (*tuner_get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
129 	int (*tuner_set_rfsiggain)(struct dvb_frontend *fe, u32 rf_gain);
130 };
131 
132 #if IS_REACHABLE(CONFIG_DVB_STB0899)
133 
134 extern struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
135 					   struct i2c_adapter *i2c);
136 
137 #else
138 
139 static inline struct dvb_frontend *stb0899_attach(struct stb0899_config *config,
140 						  struct i2c_adapter *i2c)
141 {
142 	printk(KERN_WARNING "%s: Driver disabled by Kconfig\n", __func__);
143 	return NULL;
144 }
145 
146 #endif //CONFIG_DVB_STB0899
147 
148 
149 #endif
150