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stb0899_priv.h
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1 /*
2  STB0899 Multistandard Frontend driver
3  Copyright (C) Manu Abraham ([email protected])
4 
5  Copyright (C) ST Microelectronics
6 
7  This program is free software; you can redistribute it and/or modify
8  it under the terms of the GNU General Public License as published by
9  the Free Software Foundation; either version 2 of the License, or
10  (at your option) any later version.
11 
12  This program is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program; if not, write to the Free Software
19  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 */
21 
22 #ifndef __STB0899_PRIV_H
23 #define __STB0899_PRIV_H
24 
25 #include "dvb_frontend.h"
26 #include "stb0899_drv.h"
27 
28 #define FE_ERROR 0
29 #define FE_NOTICE 1
30 #define FE_INFO 2
31 #define FE_DEBUG 3
32 #define FE_DEBUGREG 4
33 
34 #define dprintk(x, y, z, format, arg...) do { \
35  if (z) { \
36  if ((*x > FE_ERROR) && (*x > y)) \
37  printk(KERN_ERR "%s: " format "\n", __func__ , ##arg); \
38  else if ((*x > FE_NOTICE) && (*x > y)) \
39  printk(KERN_NOTICE "%s: " format "\n", __func__ , ##arg); \
40  else if ((*x > FE_INFO) && (*x > y)) \
41  printk(KERN_INFO "%s: " format "\n", __func__ , ##arg); \
42  else if ((*x > FE_DEBUG) && (*x > y)) \
43  printk(KERN_DEBUG "%s: " format "\n", __func__ , ##arg); \
44  } else { \
45  if (*x > y) \
46  printk(format, ##arg); \
47  } \
48 } while(0)
49 
50 #define INRANGE(val, x, y) (((x <= val) && (val <= y)) || \
51  ((y <= val) && (val <= x)) ? 1 : 0)
52 
53 #define BYTE0 0
54 #define BYTE1 8
55 #define BYTE2 16
56 #define BYTE3 24
57 
58 #define GETBYTE(x, y) (((x) >> (y)) & 0xff)
59 #define MAKEWORD32(a, b, c, d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
60 #define MAKEWORD16(a, b) (((a) << 8) | (b))
61 
62 #define LSB(x) ((x & 0xff))
63 #define MSB(y) ((y >> 8) & 0xff)
64 
65 
66 #define STB0899_GETFIELD(bitf, val) ((val >> STB0899_OFFST_##bitf) & ((1 << STB0899_WIDTH_##bitf) - 1))
67 
68 
69 #define STB0899_SETFIELD(mask, val, width, offset) (mask & (~(((1 << width) - 1) << \
70  offset))) | ((val & \
71  ((1 << width) - 1)) << offset)
72 
73 #define STB0899_SETFIELD_VAL(bitf, mask, val) (mask = (mask & (~(((1 << STB0899_WIDTH_##bitf) - 1) <<\
74  STB0899_OFFST_##bitf))) | \
75  (val << STB0899_OFFST_##bitf))
76 
77 
78 enum stb0899_status {
79  NOAGC1 = 0,
80  AGC1OK,
81  NOTIMING,
82  ANALOGCARRIER,
83  TIMINGOK,
84  NOAGC2,
85  AGC2OK,
86  NOCARRIER,
87  CARRIEROK,
88  NODATA,
89  FALSELOCK,
90  DATAOK,
91  OUTOFRANGE,
92  RANGEOK,
93  DVBS2_DEMOD_LOCK,
94  DVBS2_DEMOD_NOLOCK,
95  DVBS2_FEC_LOCK,
96  DVBS2_FEC_NOLOCK
97 };
98 
99 enum stb0899_modcod {
100  STB0899_DUMMY_PLF,
101  STB0899_QPSK_14,
102  STB0899_QPSK_13,
103  STB0899_QPSK_25,
104  STB0899_QPSK_12,
105  STB0899_QPSK_35,
106  STB0899_QPSK_23,
107  STB0899_QPSK_34,
108  STB0899_QPSK_45,
109  STB0899_QPSK_56,
110  STB0899_QPSK_89,
111  STB0899_QPSK_910,
112  STB0899_8PSK_35,
113  STB0899_8PSK_23,
114  STB0899_8PSK_34,
115  STB0899_8PSK_56,
116  STB0899_8PSK_89,
117  STB0899_8PSK_910,
118  STB0899_16APSK_23,
119  STB0899_16APSK_34,
120  STB0899_16APSK_45,
121  STB0899_16APSK_56,
122  STB0899_16APSK_89,
123  STB0899_16APSK_910,
124  STB0899_32APSK_34,
125  STB0899_32APSK_45,
126  STB0899_32APSK_56,
127  STB0899_32APSK_89,
128  STB0899_32APSK_910
129 };
130 
131 enum stb0899_frame {
132  STB0899_LONG_FRAME,
133  STB0899_SHORT_FRAME
134 };
135 
136 enum stb0899_alpha {
137  RRC_20,
138  RRC_25,
139  RRC_35
140 };
141 
142 struct stb0899_tab {
143  s32 real;
144  s32 read;
145 };
146 
147 enum stb0899_fec {
148  STB0899_FEC_1_2 = 13,
149  STB0899_FEC_2_3 = 18,
150  STB0899_FEC_3_4 = 21,
151  STB0899_FEC_5_6 = 24,
152  STB0899_FEC_6_7 = 25,
153  STB0899_FEC_7_8 = 26
154 };
155 
156 struct stb0899_params {
157  u32 freq; /* Frequency */
158  u32 srate; /* Symbol rate */
159  enum fe_code_rate fecrate;
160 };
161 
162 struct stb0899_internal {
163  u32 master_clk;
164  u32 freq; /* Demod internal Frequency */
165  u32 srate; /* Demod internal Symbol rate */
166  enum stb0899_fec fecrate; /* Demod internal FEC rate */
167  s32 srch_range; /* Demod internal Search Range */
168  s32 sub_range; /* Demod current sub range (Hz) */
169  s32 tuner_step; /* Tuner step (Hz) */
170  s32 tuner_offst; /* Relative offset to carrier (Hz) */
171  u32 tuner_bw; /* Current bandwidth of the tuner (Hz) */
172 
173  s32 mclk; /* Masterclock Divider factor (binary) */
174  s32 rolloff; /* Current RollOff of the filter (x100) */
175 
176  s16 derot_freq; /* Current derotator frequency (Hz) */
177  s16 derot_percent;
178 
179  s16 direction; /* Current derotator search direction */
180  s16 derot_step; /* Derotator step (binary value) */
181  s16 t_derot; /* Derotator time constant (ms) */
182  s16 t_data; /* Data recovery time constant (ms) */
183  s16 sub_dir; /* Direction of the next sub range */
184 
185  s16 t_agc1; /* Agc1 time constant (ms) */
186  s16 t_agc2; /* Agc2 time constant (ms) */
187 
188  u32 lock; /* Demod internal lock state */
189  enum stb0899_status status; /* Demod internal status */
190 
191  /* DVB-S2 */
192  s32 agc_gain; /* RF AGC Gain */
193  s32 center_freq; /* Nominal carrier frequency */
194  s32 av_frame_coarse; /* Coarse carrier freq search frames */
195  s32 av_frame_fine; /* Fine carrier freq search frames */
196 
197  s16 step_size; /* Carrier frequency search step size */
198 
199  enum stb0899_alpha rrc_alpha;
200  enum stb0899_inversion inversion;
201  enum stb0899_modcod modcod;
202  u8 pilots; /* Pilots found */
203 
204  enum stb0899_frame frame_length;
205  u8 v_status; /* VSTATUS */
206  u8 err_ctrl; /* ERRCTRLn */
207 };
208 
209 struct stb0899_state {
210  struct i2c_adapter *i2c;
211  struct stb0899_config *config;
212  struct dvb_frontend frontend;
213 
214  u32 *verbose; /* Cached module verbosity level */
215 
216  struct stb0899_internal internal; /* Device internal parameters */
217 
218  /* cached params from API */
219  enum fe_delivery_system delsys;
220  struct stb0899_params params;
221 
222  u32 rx_freq; /* DiSEqC 2.0 receiver freq */
223  struct mutex search_lock;
224 };
225 /* stb0899.c */
226 extern int stb0899_read_reg(struct stb0899_state *state,
227  unsigned int reg);
228 
229 extern u32 _stb0899_read_s2reg(struct stb0899_state *state,
230  u32 stb0899_i2cdev,
231  u32 stb0899_base_addr,
232  u16 stb0899_reg_offset);
233 
234 extern int stb0899_read_regs(struct stb0899_state *state,
235  unsigned int reg, u8 *buf,
236  u32 count);
237 
238 extern int stb0899_write_regs(struct stb0899_state *state,
239  unsigned int reg, u8 *data,
240  u32 count);
241 
242 extern int stb0899_write_reg(struct stb0899_state *state,
243  unsigned int reg,
244  u8 data);
245 
246 extern int stb0899_write_s2reg(struct stb0899_state *state,
247  u32 stb0899_i2cdev,
248  u32 stb0899_base_addr,
249  u16 stb0899_reg_offset,
250  u32 stb0899_data);
251 
252 extern int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable);
253 
254 
255 #define STB0899_READ_S2REG(DEVICE, REG) (_stb0899_read_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG))
256 //#define STB0899_WRITE_S2REG(DEVICE, REG, DATA) (_stb0899_write_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG, DATA))
257 
258 /* stb0899_algo.c */
259 extern enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state);
260 extern enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state);
261 extern long stb0899_carr_width(struct stb0899_state *state);
262 
263 #endif //__STB0899_PRIV_H
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