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_PRIV_H
11 #define __STB0899_PRIV_H
12 
13 #include <media/dvb_frontend.h>
14 #include "stb0899_drv.h"
15 
16 #define FE_ERROR				0
17 #define FE_NOTICE				1
18 #define FE_INFO					2
19 #define FE_DEBUG				3
20 #define FE_DEBUGREG				4
21 
22 #define dprintk(x, y, z, format, arg...) do {						\
23 	if (z) {									\
24 		if	((*x > FE_ERROR) && (*x > y))					\
25 			printk(KERN_ERR "%s: " format "\n", __func__ , ##arg);		\
26 		else if	((*x > FE_NOTICE) && (*x > y))					\
27 			printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg);	\
28 		else if ((*x > FE_INFO) && (*x > y))					\
29 			printk(KERN_INFO "%s: " format "\n", __func__ , ##arg);		\
30 		else if ((*x > FE_DEBUG) && (*x > y))					\
31 			printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg);	\
32 	} else {									\
33 		if (*x > y)								\
34 			printk(format, ##arg);						\
35 	}										\
36 } while(0)
37 
38 #define INRANGE(val, x, y)			(((x <= val) && (val <= y)) ||		\
39 						 ((y <= val) && (val <= x)) ? 1 : 0)
40 
41 #define BYTE0					0
42 #define BYTE1					8
43 #define BYTE2					16
44 #define BYTE3					24
45 
46 #define GETBYTE(x, y)				(((x) >> (y)) & 0xff)
47 #define MAKEWORD32(a, b, c, d)			(((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
48 #define MAKEWORD16(a, b)			(((a) << 8) | (b))
49 
50 #define LSB(x)					((x & 0xff))
51 #define MSB(y)					((y >> 8) & 0xff)
52 
53 
54 #define STB0899_GETFIELD(bitf, val)		((val >> STB0899_OFFST_##bitf) & ((1 << STB0899_WIDTH_##bitf) - 1))
55 
56 
57 #define STB0899_SETFIELD(mask, val, width, offset)      (mask & (~(((1 << width) - 1) <<	\
58 							 offset))) | ((val &			\
59 							 ((1 << width) - 1)) << offset)
60 
61 #define STB0899_SETFIELD_VAL(bitf, mask, val)	(mask = (mask & (~(((1 << STB0899_WIDTH_##bitf) - 1) <<\
62 							 STB0899_OFFST_##bitf))) | \
63 							 (val << STB0899_OFFST_##bitf))
64 
65 
66 enum stb0899_status {
67 	NOAGC1	= 0,
68 	AGC1OK,
69 	NOTIMING,
70 	ANALOGCARRIER,
71 	TIMINGOK,
72 	NOAGC2,
73 	AGC2OK,
74 	NOCARRIER,
75 	CARRIEROK,
76 	NODATA,
77 	FALSELOCK,
78 	DATAOK,
79 	OUTOFRANGE,
80 	RANGEOK,
81 	DVBS2_DEMOD_LOCK,
82 	DVBS2_DEMOD_NOLOCK,
83 	DVBS2_FEC_LOCK,
84 	DVBS2_FEC_NOLOCK
85 };
86 
87 enum stb0899_modcod {
88 	STB0899_DUMMY_PLF,
89 	STB0899_QPSK_14,
90 	STB0899_QPSK_13,
91 	STB0899_QPSK_25,
92 	STB0899_QPSK_12,
93 	STB0899_QPSK_35,
94 	STB0899_QPSK_23,
95 	STB0899_QPSK_34,
96 	STB0899_QPSK_45,
97 	STB0899_QPSK_56,
98 	STB0899_QPSK_89,
99 	STB0899_QPSK_910,
100 	STB0899_8PSK_35,
101 	STB0899_8PSK_23,
102 	STB0899_8PSK_34,
103 	STB0899_8PSK_56,
104 	STB0899_8PSK_89,
105 	STB0899_8PSK_910,
106 	STB0899_16APSK_23,
107 	STB0899_16APSK_34,
108 	STB0899_16APSK_45,
109 	STB0899_16APSK_56,
110 	STB0899_16APSK_89,
111 	STB0899_16APSK_910,
112 	STB0899_32APSK_34,
113 	STB0899_32APSK_45,
114 	STB0899_32APSK_56,
115 	STB0899_32APSK_89,
116 	STB0899_32APSK_910
117 };
118 
119 enum stb0899_frame {
120 	STB0899_LONG_FRAME,
121 	STB0899_SHORT_FRAME
122 };
123 
124 enum stb0899_alpha {
125 	RRC_20,
126 	RRC_25,
127 	RRC_35
128 };
129 
130 struct stb0899_tab {
131 	s32 real;
132 	s32 read;
133 };
134 
135 enum stb0899_fec {
136 	STB0899_FEC_1_2			= 13,
137 	STB0899_FEC_2_3			= 18,
138 	STB0899_FEC_3_4			= 21,
139 	STB0899_FEC_5_6			= 24,
140 	STB0899_FEC_6_7			= 25,
141 	STB0899_FEC_7_8			= 26
142 };
143 
144 struct stb0899_params {
145 	u32	freq;					/* Frequency	*/
146 	u32	srate;					/* Symbol rate	*/
147 	enum fe_code_rate fecrate;
148 };
149 
150 struct stb0899_internal {
151 	u32			master_clk;
152 	u32			freq;			/* Demod internal Frequency		*/
153 	u32			srate;			/* Demod internal Symbol rate		*/
154 	enum stb0899_fec	fecrate;		/* Demod internal FEC rate		*/
155 	s32			srch_range;		/* Demod internal Search Range		*/
156 	s32			sub_range;		/* Demod current sub range (Hz)		*/
157 	s32			tuner_step;		/* Tuner step (Hz)			*/
158 	s32			tuner_offst;		/* Relative offset to carrier (Hz)	*/
159 	u32			tuner_bw;		/* Current bandwidth of the tuner (Hz)	*/
160 
161 	s32			mclk;			/* Masterclock Divider factor (binary)	*/
162 	s32			rolloff;		/* Current RollOff of the filter (x100)	*/
163 
164 	s16			derot_freq;		/* Current derotator frequency (Hz)	*/
165 	s16			derot_percent;
166 
167 	s16			direction;		/* Current derotator search direction	*/
168 	s16			derot_step;		/* Derotator step (binary value)	*/
169 	s16			t_derot;		/* Derotator time constant (ms)		*/
170 	s16			t_data;			/* Data recovery time constant (ms)	*/
171 	s16			sub_dir;		/* Direction of the next sub range	*/
172 
173 	s16			t_agc1;			/* Agc1 time constant (ms)		*/
174 	s16			t_agc2;			/* Agc2 time constant (ms)		*/
175 
176 	u32			lock;			/* Demod internal lock state		*/
177 	enum stb0899_status	status;			/* Demod internal status		*/
178 
179 	/* DVB-S2 */
180 	s32			agc_gain;		/* RF AGC Gain				*/
181 	s32			center_freq;		/* Nominal carrier frequency		*/
182 	s32			av_frame_coarse;	/* Coarse carrier freq search frames	*/
183 	s32			av_frame_fine;		/* Fine carrier freq search frames	*/
184 
185 	s16			step_size;		/* Carrier frequency search step size	*/
186 
187 	enum stb0899_alpha	rrc_alpha;
188 	enum stb0899_inversion	inversion;
189 	enum stb0899_modcod	modcod;
190 	u8			pilots;			/* Pilots found				*/
191 
192 	enum stb0899_frame	frame_length;
193 	u8			v_status;		/* VSTATUS				*/
194 	u8			err_ctrl;		/* ERRCTRLn				*/
195 };
196 
197 struct stb0899_state {
198 	struct i2c_adapter		*i2c;
199 	struct stb0899_config		*config;
200 	struct dvb_frontend		frontend;
201 
202 	u32				*verbose;	/* Cached module verbosity level	*/
203 
204 	struct stb0899_internal		internal;	/* Device internal parameters		*/
205 
206 	/*	cached params from API	*/
207 	enum fe_delivery_system		delsys;
208 	struct stb0899_params		params;
209 
210 	u32				rx_freq;	/* DiSEqC 2.0 receiver freq		*/
211 	struct mutex			search_lock;
212 };
213 /* stb0899.c		*/
214 extern int stb0899_read_reg(struct stb0899_state *state,
215 			    unsigned int reg);
216 
217 extern u32 _stb0899_read_s2reg(struct stb0899_state *state,
218 			       u32 stb0899_i2cdev,
219 			       u32 stb0899_base_addr,
220 			       u16 stb0899_reg_offset);
221 
222 extern int stb0899_read_regs(struct stb0899_state *state,
223 			     unsigned int reg, u8 *buf,
224 			     u32 count);
225 
226 extern int stb0899_write_regs(struct stb0899_state *state,
227 			      unsigned int reg, u8 *data,
228 			      u32 count);
229 
230 extern int stb0899_write_reg(struct stb0899_state *state,
231 			     unsigned int reg,
232 			     u8 data);
233 
234 extern int stb0899_write_s2reg(struct stb0899_state *state,
235 			       u32 stb0899_i2cdev,
236 			       u32 stb0899_base_addr,
237 			       u16 stb0899_reg_offset,
238 			       u32 stb0899_data);
239 
240 extern int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable);
241 
242 
243 #define STB0899_READ_S2REG(DEVICE, REG)		(_stb0899_read_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG))
244 //#define STB0899_WRITE_S2REG(DEVICE, REG, DATA)	(_stb0899_write_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG, DATA))
245 
246 /* stb0899_algo.c	*/
247 extern enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state);
248 extern enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state);
249 extern long stb0899_carr_width(struct stb0899_state *state);
250 
251 #endif //__STB0899_PRIV_H
252