2 STB0899 Multistandard Frontend driver
3 Copyright (C) Manu Abraham (abraham.manu@gmail.com)
5 Copyright (C) ST Microelectronics
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.
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.
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.
22 #ifndef __STB0899_PRIV_H
23 #define __STB0899_PRIV_H
25 #include "dvb_frontend.h"
26 #include "stb0899_drv.h"
34 #define dprintk(x, y, z, format, arg...) do { \
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); \
46 printk(format, ##arg); \
50 #define INRANGE(val, x, y) (((x <= val) && (val <= y)) || \
51 ((y <= val) && (val <= x)) ? 1 : 0)
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))
62 #define MIN(x, y) ((x) <= (y) ? (x) : (y))
63 #define MAX(x, y) ((x) >= (y) ? (x) : (y))
64 #define ABS(x) ((x) >= 0 ? (x) : -(x))
66 #define LSB(x) ((x & 0xff))
67 #define MSB(y) ((y >> 8) & 0xff)
70 #define STB0899_GETFIELD(bitf, val) ((val >> STB0899_OFFST_##bitf) & ((1 << STB0899_WIDTH_##bitf) - 1))
73 #define STB0899_SETFIELD(mask, val, width, offset) (mask & (~(((1 << width) - 1) << \
75 ((1 << width) - 1)) << offset)
77 #define STB0899_SETFIELD_VAL(bitf, mask, val) (mask = (mask & (~(((1 << STB0899_WIDTH_##bitf) - 1) <<\
78 STB0899_OFFST_##bitf))) | \
79 (val << STB0899_OFFST_##bitf))
103 enum stb0899_modcod {
152 STB0899_FEC_1_2 = 13,
153 STB0899_FEC_2_3 = 18,
154 STB0899_FEC_3_4 = 21,
155 STB0899_FEC_5_6 = 24,
156 STB0899_FEC_6_7 = 25,
160 struct stb0899_params {
161 u32 freq; /* Frequency */
162 u32 srate; /* Symbol rate */
163 enum fe_code_rate fecrate;
166 struct stb0899_internal {
168 u32 freq; /* Demod internal Frequency */
169 u32 srate; /* Demod internal Symbol rate */
170 enum stb0899_fec fecrate; /* Demod internal FEC rate */
171 u32 srch_range; /* Demod internal Search Range */
172 u32 sub_range; /* Demod current sub range (Hz) */
173 u32 tuner_step; /* Tuner step (Hz) */
174 u32 tuner_offst; /* Relative offset to carrier (Hz) */
175 u32 tuner_bw; /* Current bandwidth of the tuner (Hz) */
177 s32 mclk; /* Masterclock Divider factor (binary) */
178 s32 rolloff; /* Current RollOff of the filter (x100) */
180 s16 derot_freq; /* Current derotator frequency (Hz) */
183 s16 direction; /* Current derotator search direction */
184 s16 derot_step; /* Derotator step (binary value) */
185 s16 t_derot; /* Derotator time constant (ms) */
186 s16 t_data; /* Data recovery time constant (ms) */
187 s16 sub_dir; /* Direction of the next sub range */
189 s16 t_agc1; /* Agc1 time constant (ms) */
190 s16 t_agc2; /* Agc2 time constant (ms) */
192 u32 lock; /* Demod internal lock state */
193 enum stb0899_status status; /* Demod internal status */
196 s32 agc_gain; /* RF AGC Gain */
197 s32 center_freq; /* Nominal carrier frequency */
198 s32 av_frame_coarse; /* Coarse carrier freq search frames */
199 s32 av_frame_fine; /* Fine carrier freq search frames */
201 s16 step_size; /* Carrier frequency search step size */
203 enum stb0899_alpha rrc_alpha;
204 enum stb0899_inversion inversion;
205 enum stb0899_modcod modcod;
206 u8 pilots; /* Pilots found */
208 enum stb0899_frame frame_length;
209 u8 v_status; /* VSTATUS */
210 u8 err_ctrl; /* ERRCTRLn */
213 struct stb0899_state {
214 struct i2c_adapter *i2c;
215 struct stb0899_config *config;
216 struct dvb_frontend frontend;
218 u32 *verbose; /* Cached module verbosity level */
220 struct stb0899_internal internal; /* Device internal parameters */
222 /* cached params from API */
223 enum fe_delivery_system delsys;
224 struct stb0899_params params;
226 u32 rx_freq; /* DiSEqC 2.0 receiver freq */
227 struct mutex search_lock;
230 extern int stb0899_read_reg(struct stb0899_state *state,
233 extern u32 _stb0899_read_s2reg(struct stb0899_state *state,
235 u32 stb0899_base_addr,
236 u16 stb0899_reg_offset);
238 extern int stb0899_read_regs(struct stb0899_state *state,
239 unsigned int reg, u8 *buf,
242 extern int stb0899_write_regs(struct stb0899_state *state,
243 unsigned int reg, u8 *data,
246 extern int stb0899_write_reg(struct stb0899_state *state,
250 extern int stb0899_write_s2reg(struct stb0899_state *state,
252 u32 stb0899_base_addr,
253 u16 stb0899_reg_offset,
256 extern int stb0899_i2c_gate_ctrl(struct dvb_frontend *fe, int enable);
259 #define STB0899_READ_S2REG(DEVICE, REG) (_stb0899_read_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG))
260 //#define STB0899_WRITE_S2REG(DEVICE, REG, DATA) (_stb0899_write_s2reg(state, DEVICE, STB0899_BASE_##REG, STB0899_OFF0_##REG, DATA))
263 extern enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state);
264 extern enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state);
265 extern long stb0899_carr_width(struct stb0899_state *state);
267 #endif //__STB0899_PRIV_H